UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-K

(MARK ONE)


x	ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended December 31, ~~2015~~2018


¨	TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from to

Commission file number 1-12675 (Kilroy Realty Corporation)

Commission file number 000-54005 (Kilroy Realty, L.P.)

KILROY REALTY CORPORATION

KILROY REALTY, L.P.

(Exact name of registrant as specified in its charter)



Kilroy Realty Corporation	Maryland	95-4598246
	(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

Kilroy Realty, L.P.	Delaware	95-4612685
	(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

12200 W. Olympic Boulevard, Suite 200, Los Angeles, California 90064
(Address of principal executive offices) (Zip Code)
Registrant’s telephone number, including area code: (310) 481-8400

Securities registered pursuant to Section 12(b) of the Act:



Registrant	Title of each class	Name of each exchange on which registered
Kilroy Realty Corporation	Common Stock, $.01 par value	~~New York Stock Exchange~~
~~Kilroy Realty Corporation~~	~~6.875% Series G Cumulative Redeemable~~ ~~Preferred Stock, $.01 par value~~	~~New York Stock Exchange~~
~~Kilroy Realty Corporation~~	~~6.375% Series H Cumulative Redeemable~~ ~~Preferred Stock, $.01 par value~~	New York Stock Exchange

Securities registered pursuant to Section 12(g) of the Act:



Registrant	Title of each class
Kilroy Realty, L.P.	Common Units Representing Limited Partnership Interests

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.

Kilroy Realty Corporation Yes x No ¨ Kilroy Realty, L. P. Yes x No ¨

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15(d) of the Act.

Kilroy Realty Corporation Yes ¨ No x Kilroy Realty, L. P. Yes ¨ No x

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

Kilroy Realty Corporation Yes x No ¨ Kilroy Realty, L. P. Yes x No ¨

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).

Kilroy Realty Corporation Yes x No ¨ Kilroy Realty, L. P. Yes x No ¨

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K (§229.405 of this chapter) is not contained herein, and will not be contained, to the best of registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K. x

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act.



Kilroy Realty Corporation
x	Large accelerated filer	o	Accelerated filer	o	Non-accelerated filer (Do not check if a smaller reporting company)	o	Smaller reporting company
o	Emerging growth company If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

Kilroy Realty, L.P.
o	Large accelerated filer	o	Accelerated filer	x	Non-accelerated filer (Do not check if a smaller reporting company)	o	Smaller reporting company
o	Emerging growth company If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act).

Kilroy Realty Corporation Yes ¨ No x Kilroy Realty, L. P. Yes ¨ No x

The aggregate market value of the voting and non-voting shares of common stock held by non-affiliates of Kilroy Realty Corporation was approximately ~~$5,926,241,394~~$7,557,990,980 based on the quoted closing price on the New York Stock Exchange for such shares on June 30, ~~2015.~~2018.

There is no public trading market for the common units of limited partnership interest of Kilroy Realty, L.P. As a result, the aggregate market value of the common units of limited partnership interest held by non-affiliates of Kilroy Realty, L.P. cannot be determined.

As of February ~~5, 2016, 92,275,561~~8, 2019, 100,964,220 shares of Kilroy Realty Corporation’s common stock, par value $.01 per share, were outstanding.

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the Kilroy Realty Corporation’s Proxy Statement with respect to its ~~2016~~2019 Annual Meeting of Stockholders to be filed not later than 120 days after the end of the registrant’s fiscal year are incorporated by reference into Part III of this Form ~~10‑K.~~10-K.

EXPLANATORY NOTE

This report combines the annual reports on Form 10-K for the year ended December 31, ~~2015~~2018 of Kilroy Realty Corporation and Kilroy Realty, L.P. Unless stated otherwise or the context otherwise requires, references to “Kilroy Realty Corporation” or the “Company,” “we,” “our,” and “us” mean Kilroy Realty Corporation, a Maryland corporation, and its controlled and consolidated subsidiaries, and references to “Kilroy Realty, L.P.” or the “Operating Partnership” mean Kilroy Realty, L.P., a Delaware limited partnership, and its controlled and consolidated subsidiaries.

The Company is a real estate investment trust, or REIT, and the general partner of the Operating Partnership. As of December 31, ~~2015,~~2018, the Company owned an approximate ~~98.1%~~98.0% common general partnership interest in the Operating Partnership. The remaining approximate ~~1.9%~~2.0% common limited partnership interests are owned by non-affiliated investors and certain directors and officers of the Company. As the sole general partner of the Operating Partnership, the Company exercises exclusive and complete discretion over the Operating Partnership’s day-to-day management and control and can cause it to enter into certain major transactions including acquisitions, dispositions, and refinancings and cause changes in its line of business, capital structure and distribution policies.

There are a few differences between the Company and the Operating Partnership that are reflected in the disclosures in this Form 10-K. We believe it is important to understand the differences between the Company and the Operating Partnership in the context of how the Company and the Operating Partnership operate as an interrelated, consolidated company. The Company is a REIT, the only material asset of which is the partnership interests it holds in the Operating Partnership. As a result, the Company generally does not conduct business itself, other than acting as the sole general partner of the Operating Partnership, issuing equity from time to time and guaranteeing certain debt of the Operating Partnership. The Company itself is not directly obligated under any indebtedness, but generally guarantees ~~some~~all of the debt of the Operating Partnership. The Operating Partnership owns substantially all of the assets of the Company either directly or through its subsidiaries, conducts the operations of the Company’s business and is structured as a limited partnership with no publicly-traded equity. Except for net proceeds from equity issuances by the Company, which the Company generally contributes to the Operating Partnership in exchange for units of partnership interest, the Operating Partnership generates the capital required by the Company’s business through the Operating Partnership’s operations, by the Operating Partnership’s incurrence of indebtedness or through the issuance of units of partnership interest.

Noncontrolling interests, stockholders’ equity and partners’ capital are the main areas of difference between the consolidated financial statements of the Company and those of the Operating Partnership. The common limited partnership interests in the Operating Partnership are accounted for as partners’ capital in the Operating Partnership’s financial statements and, to the extent not held by the Company, as noncontrolling interests in the Company’s financial statements. The Operating Partnership’s financial statements reflect the noncontrolling interest in Kilroy Realty Finance Partnership, L.P., a Delaware limited partnership (the “Finance Partnership”). This noncontrolling interest represents the Company’s 1% indirect general partnership interest in the Finance Partnership, which is directly held by Kilroy Realty Finance, Inc., a wholly owned subsidiary of the Company. The differences between stockholders’ equity, partners’ capital and noncontrolling interests result from the differences in the equity issued by the Company and the Operating Partnership, and in the Operating Partnership’s noncontrolling interest in the Finance Partnership.

We believe combining the annual reports on Form 10-K of the Company and the Operating Partnership into this single report results in the following benefits:

Combined reports better reflect how management and the analyst community view the business as a single operating unit;

Combined reports enhance investors’ understanding of the Company and the Operating Partnership by enabling them to view the business as a whole and in the same manner as management;

Combined reports are more efficient for the Company and the Operating Partnership and result in savings in time, effort and expense; and

Combined reports are more efficient for investors by reducing duplicative disclosure and providing a single document for their review.

To help investors understand the significant differences between the Company and the Operating Partnership, this report presents the following separate sections for each of the Company and the Operating Partnership:

Item 6. Selected Financial Data – Kilroy Realty Corporation;

Item 6. Selected Financial Data – Kilroy Realty, L.P.;

Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations:


◦	—Liquidity and Capital Resources of the Company; and


◦	—Liquidity and Capital Resources of the Operating Partnership;

consolidated financial statements;

the following notes to the consolidated financial statements:


◦	Note 7,8, Secured and Unsecured Debt of the Company;


◦	Note 8,9, Secured and Unsecured Debt of the Operating Partnership;


◦	Note ~~10,~~11, Noncontrolling Interests on the Company’s Consolidated Financial Statements;


◦	Note ~~11,~~12, Noncontrolling Interests on the Operating Partnership’s Consolidated Financial Statements;


◦	Note 13, Stockholders’ Equity of the Company;


◦	Note ~~12, Preferred and Common Units~~14, Partners’ Capital of the Operating Partnership;


◦	Note ~~20,~~21, Net Income Available to Common Stockholders Per Share of the Company;


◦	Note ~~21,~~22, Net Income Available to Common Unitholders Per Unit of the Operating Partnership;


◦	Note ~~22,~~23, Supplemental Cash Flow Information of the Company;


◦	Note ~~23,~~24, Supplemental Cash Flow Information of the Operating Partnership;


◦	Note ~~25,~~26, Quarterly Financial Information of the Company (Unaudited); and


◦	Note ~~26,~~27, Quarterly Financial Information of the Operating Partnership (Unaudited).

This report also includes separate sections under Item 9A. Controls and Procedures and separate Exhibit 31 and Exhibit 32 certifications for ~~each of~~ the Company and the Operating Partnership to establish that the Chief Executive Officer and the Chief Financial Officer of each entity have made the requisite certifications and that the Company and Operating Partnership are compliant with Rule 13a-15 or Rule 15d-15 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and 18 U.S.C. §1350.

TABLE OF CONTENTS



		Page
	PART I
Item 1.	Business	5
Item 1A.	Risk Factors	1115
Item 1B.	Unresolved Staff Comments	2935
Item 2.	Properties	3036
Item 3.	Legal Proceedings	4045
Item 4.	Mine Safety Disclosures	4045
	PART II
Item 5.	Market for Kilroy Realty Corporation’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities	41 46
	Market for Kilroy Realty, L.P.’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities	42 47
Item 6.	Selected Financial Data – Kilroy Realty Corporation	4449
	Selected Financial Data – Kilroy Realty, L.P.	4651
Item 7.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	4853
Item 7A.	Quantitative and Qualitative Disclosures About Market Risk	8896
Item 8.	Financial Statements and Supplementary Data	8997
Item 9.	Changes in and Disagreements with Accountants on Accounting and Financial Disclosure	8997
Item 9A.	Controls and Procedures	9098
Item 9B.	Other Information	94102
	PART III
Item 10.	Directors, Executive Officers and Corporate Governance	94102
Item 11.	Executive Compensation	94102
Item 12.	Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters	94102
Item 13.	Certain Relationships and Related Transactions, and Director Independence	94102
Item 14.	Principal Accountant Fees and Services	94102
	PART IV
Item 15.	Exhibits and Financial Statement Schedules	95103
	SIGNATURES	~~102~~108

PART I

This document contains ~~forward-looking~~certain “forward-looking” statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, including, ~~without limitation,~~among other things, statements or information concerning our plans, objectives, capital resources, portfolio performance, results of operations, projected future occupancy and rental rates, lease expirations, debt ~~maturity,~~maturities, potential investments, strategies such as capital recycling, development and redevelopment activity, projected construction costs, projected construction commencement and completion dates, projected square footage of space that could be constructed on undeveloped land that we own, projected rentable square footage of or number of units in properties under construction or in the development pipeline, anticipated proceeds from capital recycling activity or other dispositions and anticipated dates of those activities or dispositions, projected increases in the value of properties, dispositions, future executive incentive compensation, pending, potential or proposed acquisitions, plans to grow our net operating income and funds from operations, our ability to re-lease properties at or above current market rates, anticipated market conditions, demographics and other forward-looking financial data, as well as the discussion in “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations ~~—Factors~~-Factors That May Influence Future Results of Operations.” Forward-looking statements are based on our current expectations, beliefs and assumptions, and are not guarantees of future performance. Forward-looking statements are inherently subject to uncertainties, risks, changes in circumstances, trends and factors that are difficult to predict, many of which are outside of our control. Accordingly, actual performance, results and events may vary materially from those indicated or implied in the forward-looking statements, and you should not rely on the forward-looking statements as predictions of future performance, results or events. All forward-looking statements are based on ~~currently~~information that was available ~~information~~ and speak only as of the ~~date~~dates on which they ~~are~~were made. We assume no obligation to update any forward-looking statement that becomes untrue because of subsequent events, new information or otherwise, except to the extent we are required to do so in connection with our ongoing requirements under ~~U.S.~~ federal securities laws.

In addition, this report contains information and statistics regarding, among other things, the industry, markets, submarkets and sectors in which we operate, the percentage by which certain leases are above or below applicable market rents and the number of square feet of office and other space that could be developed from specific parcels of undeveloped land. We obtained this information and these statistics from various third-party sources and our own internal estimates. We believe that these sources and estimates are reliable but have not independently verified them and cannot guarantee their accuracy or completeness.


ITEM 1.	BUSINESS

The Company

We are a self-administered REIT active in premier office and mixed-use submarkets along the West Coast. We own, develop, acquire and manage real estate assets, consisting primarily of Class A properties in the coastal regions of Greater Los Angeles, Orange County, San Diego County, the San Francisco Bay Area and ~~greater~~Greater Seattle, which we believe have strategic advantages and strong barriers to entry. Class A real estate encompasses attractive and efficient buildings of high quality that are attractive to tenants, are well-designed and constructed with above-average material, workmanship and finishes and are well-maintained and managed. We qualify as a REIT under the Internal Revenue Code of 1986, as amended (the “Code”). We own our interests in all of our ~~properties~~real estate assets through the Operating Partnership and the Finance Partnership and generally conduct substantially all of our operations through the Operating Partnership. ~~We qualify as a REIT under the Internal Revenue Code of 1986, as amended (the “Code”).~~

Our stabilized portfolio of operating properties was comprised of the following ~~office~~ properties at December 31, ~~2015~~:2018:

Number of
Buildings

Rentable
Square Feet

Number of
Tenants

Percentage
Occupied
Stabilized Office Properties 101
13,032,406
517
94.8 %



	Number of Buildings	Rentable Square Feet	Number of Tenants	Percentage Occupied		Percentage Leased
Stabilized Office Properties	94	13,232,580	482	94.4	%	96.6	%



	Number of Buildings	Number of Units	2018 Average Occupancy
Stabilized Residential Property	1	200	79.7	%

Our stabilized portfolio includes all of our properties with the exception of development and redevelopment properties currently committed for construction, under construction or ~~committed for construction, “lease-up” properties,~~in the tenant improvement phase, undeveloped land and real estate assets held for ~~sale and undeveloped land. During the year ended~~ ~~December 31, 2015, we stabilized a development project consisting of two office buildings encompassing 108,517 rentable square feet in Hollywood, California, and a development project consisting of twooffice buildings encompassing339,987rentable square feet in Redwood City, California. These projects were included in our stabilized portfolio as of December 31, 2015.~~sale. We define redevelopment properties as those properties for which we expect to spend significant development and construction costs on the existing or acquired buildings pursuant to a formal plan, the intended result of which is a higher economic return on the property. We define ~~“lease-up”~~ properties in the tenant improvement phase as properties that we ~~recently developed~~are developing or ~~redeveloped that have not yet~~redeveloping where the project has reached cold shell condition and is ready for tenant improvements, which may require additional major base building construction before being placed in service. Projects in the tenant improvement phase are added to our stabilized portfolio once the project reaches the earlier of 95% occupancy ~~and are within~~or one year ~~following~~from the date of the cessation of major base building construction activities. Costs capitalized to construction in progress for development and redevelopment properties are transferred to land and improvements, buildings and improvements, and deferred leasing costs on our consolidated balance sheets at the historical cost of the property as the projects are placed in service.

As of December 31, 2015, we had one office development project in the “lease-up” phase. We also had four operating properties and one land parcel classified as held for sale as of December 31, 2015. As of December 31, 2015,2018, the following properties were excluded from our stabilized ~~portfolio:~~

portfolio. We did not have any redevelopment properties or properties held for sale at December 31, 2018.

Number of
Properties/Projects

Estimated Rentable
Square Feet ⁽¹⁾
Properties held for sale ⁽²⁾
4 465,812
Development projects in “lease-up” 1 73,000
Development projects under construction 5 1,910,000



	Number of Properties/Projects	Estimated Rentable Square Feet ⁽¹⁾ (unaudited)
In-process development projects - tenant improvement⁽²⁾	2	1,150,000
In-process development projects - under construction ⁽³⁾	3	1,290,000

~~_______________~~________________________


(1)	Estimated rentable square feet upon completion. See “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations—Factors That May Influence Future Results of Operations —Completed, In-Process and Future Development Pipeline” for more information.


(2)	~~See Note 4 “Dispositions~~Includes 88,000 square feet of Production, Distribution, and ~~Real Estate Assets Held for Sale”~~Repair (“PDR”) space.


(3)	In addition to ~~our consolidated financial statements included in this report for additional information.~~the estimated office and PDR rentable square feet noted above, development projects under construction also include 96,000 square feet of retail space and 801 residential units.

Our stabilized portfolio also excludes our ~~near-term and~~ future development pipeline, which as of December 31, ~~2015,~~2018, was comprised of ~~ten~~five potential development sites, representing approximately 9973 gross acres of undeveloped ~~land on which we believe we have the potential to develop over 5.0 million square feet of office space, depending upon economic conditions.~~land.

~~held at a qualified intermediary for potential future transactions that are intended to qualify as like-kind exchanges pursuant to Section 1031 of the Code~~Interest Entity (“~~Section 1031 Exchanges”~~VIE”) ~~to defer taxable gains on dispositions for federal and state income tax purposes,~~ which ~~have been~~we consolidated for financial reporting purposes (see Note 2 “Basis of Presentation and Significant Accounting Policies” to our consolidated financial statements included in this report). The one project held in a VIE was to facilitate a transaction intended to qualify as a like-kind exchange pursuant to Section 1031 of the Code (“Section 1031 Exchange”) to defer taxable gains on dispositions for federal and state income tax purposes that closed in January 2019. Two of the three property partnerships, 100 First Street Member, LLC (“100 First LLC”) and 303 Second Street Member, LLC (“303 Second LLC”), each owned one office property in San Francisco, California through subsidiary REITs. As of December 31, 2018, the Company owned a 56% common equity interest in both 100 First LLC and 303 Second LLC. The third property partnership, Redwood City Partners, LLC (“Redwood LLC”), owned two office properties in Redwood City, California. As of December 31, 2018, the Company owned an approximate 93% common equity interest in Redwood LLC. The remaining interests in all three property partnerships were owned by unrelated third parties. All three property partnerships are consolidated entities.

We own our interests in all of our real estate assets through the Operating Partnership and the Finance Partnership and generally conduct substantially all of our operations through the Operating Partnership of which we owned a ~~98.1%~~98.0% common general partnership interest as ofDecember 31, ~~2015.~~2018. The remaining ~~1.9%~~2.0% common limited partnership interest in the Operating Partnership as of December 31, ~~2015~~2018 was owned by non-affiliated investors and certain of our executive officers and directors. Kilroy Realty Finance, Inc., a wholly owned subsidiary of the Company, is the sole general partner of the Finance Partnership and owns a 1.0% common general partnership ~~interest.~~interest in the Finance Partnership. The Operating Partnership owns the remaining 99.0% common limited partnership interest. ~~We conduct substantially all of our development activities through Kilroy Services, LLC (“KSLLC”), which is a wholly owned subsidiary of the Operating Partnership.~~ With the exception of the Operating Partnership ~~Redwood City Partners LLC,~~and our consolidated property partnerships, all of ~~the Company's~~our subsidiaries are ~~wholly owned.~~wholly-owned.

Available Information; Website Disclosure; Corporate Governance Documents

Kilroy Realty Corporation was incorporated in the state of Maryland on September 13, 1996 and Kilroy Realty, L.P. was organized in the state of Delaware on October 2, 1996. Our principal executive offices are located at 12200 W. Olympic Boulevard, Suite 200, Los Angeles, California 90064. Our telephone number at that location is (310) 481-8400. Our website is www.kilroyrealty.com. The information found on, or otherwise accessible through, our website is not incorporated into, and does not form a part of, this annual report on Form 10-K or any other report or document we file with or furnish to the SEC. All reports we will file with the SEC ~~will be~~are available free of charge via EDGAR through the SEC website at www.sec.gov. ~~In addition, the public may read and copy materials we file with the SEC at the SEC’s public reference room located at 100 F Street, N.E., Washington, D.C. 20549.~~ All reports that we will file with the SEC will also be available free of charge on our website at www.kilroyrealty.com as soon as reasonably practicable after we file those materials with, or furnish them to, the SEC.

The following documents relating to corporate governance are also available free of charge on our website under ~~“Investor Relations~~“Investors —Overview —Corporate Governance” and available in print to any security holder upon request:

Corporate Governance Guidelines;

Code of Business Conduct and Ethics;

Audit Committee Charter;

Executive Compensation Committee Charter; ~~and~~

Nominating / Corporate Governance Committee Charter; and

Corporate Social Responsibility and Sustainability Committee Charter.

You may request copies of any of these documents by writing to:

Attention: Investor Relations

Kilroy Realty Corporation

12200 West Olympic Boulevard, Suite 200

Los Angeles, California 90064

We intend to disclose on our website under “Investors —Overview —Corporate Governance” any amendment to, or waiver of, any provisions of our Code of Business Conduct and Ethics applicable to the directors and/or officers of the Company that would otherwise be required to be disclosed under the rules of the Securities and Exchange Commission or the New York Stock Exchange.

Business and Growth Strategies

Growth Strategies. We believe that a number of factors and strategies will enable us to continue to achieve our objectives of long-term sustainable growth in Net Operating Income (defined below) and FFO (defined below) as well as maximization of long-term stockholder value. These factors and strategies include:

the quality, geographic location, physical characteristics and operating sustainability of our properties;

our ability to efficiently manage our assets as a low cost provider of commercial real estate through our seasoned management team possessing core capabilities in all aspects of real estate ownership, including property management, leasing, marketing, financing, accounting, legal, and construction and development management;

our access to development, redevelopment, acquisition and leasing opportunities as a result of our extensive experience and significant working relationships with major West Coast property owners, corporate tenants, municipalities and landowners given our over ~~65-year~~70-year presence in the West Coast markets;

our active development program and our ~~extensive~~ future development pipeline of undeveloped land sites (see “Item 7:7. Management’s Discussion and Analysis of Financial Condition and Results of Operations ~~—Information on Leases Commenced and Executed”~~—Factors That May Influence Future Results of Operations” for additional information pertaining to the Company’s in-process ~~near-term~~ and future development pipeline);

our capital recycling program (see “Item 7:7. Management’s Discussion and Analysis of Financial Condition and Results of Operations —Liquidity and Capital Resources of the Operating Partnership” for additional information pertaining to the Company’s capital recycling program and related ~~2015 and 2016~~ property and land dispositions);

our ability to capitalize on inflection points in a real estate cycle to add quality assets to our portfolio at substantial discounts to long-term value, through either acquisition, development or redevelopment; and

our strong financial position that has and will continue to allow us to pursue attractive acquisition and development and redevelopment opportunities.

“Net Operating Income” is defined as consolidated operating revenues (rental income, tenant reimbursements and other property income) less ~~property and related~~consolidated operating expenses (property expenses, real estate taxes, provision for bad debts and ground leases) ~~before depreciation.~~. “FFO” is ~~funds from operations as defined~~Funds From Operations available to common stockholders and common unitholders calculated in accordance with the white paper on FFO approved by the Board of Governors of the National Association of Real Estate Investment Trusts (“NAREIT”). ~~See~~(See “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations —Results of Operations” and “—Non-GAAP Supplemental Financial Measures: Funds From Operations” for a reconciliation of these measures to generally accepted accounting principles (“GAAP”) net income available to common stockholders.)

Operating Strategies. We focus on enhancing long-term growth in Net Operating Income and FFO from our properties by:

maximizing cash flow from our properties through active leasing, early renewals and effective property management;

structuring leases to maximize returns;

managing portfolio credit risk through effective underwriting, including the use of credit enhancements and interests in collateral to mitigate portfolio credit risk;

managing operating expenses through the efficient use of internal property management, leasing, marketing, financing, accounting, legal, and construction and development management functions;

maintaining and developing long-term relationships with a diverse tenant base;

managing our properties to offer the maximum degree of utility and operational efficiency to tenants. We offer tenant sustainability programs focused on helping our tenants reduce their energy and water consumption and increase their recycling diversion rates. We also incorporate green lease language into all of our new full-service gross leases, which align tenant and landlord interests on energy, water, and waste efficiency and were honored in 2014 to be part of the inaugural class of Green Lease Leaders, the Institute for Market Transformation's program to encourage green leasing in real estate. 100% of our new full-service gross leases also contain a cost recovery clause for resource efficiency-related capital;

building our current development projects to Leadership in Energy and Environmental Design (“LEED”) specifications. All of our development projects are now designed to achieve LEED certification, either LEED Platinum or Gold;

actively pursuing LEED certification for over 1.9 million square feet of office space under construction. During the past few years we have significantly enhanced the sustainability profile of our portfolio, ending 2015 with 47% of our properties LEED certified and 64% of eligible properties ENERGY STAR certified. During 2015, the Company was recognized for our sustainability efforts with multiple industry leadership awards, including NAREIT’s 2015 Office Leader in the Light Award and ENERGY STAR Partner of the Year award. The company was also recognized by the Global Real Estate Sustainability Benchmark as the North American leader in sustainability for the second year in a row, and was ranked first among 155 North American participants across all asset types;

continuing to effectively manage capital improvements to enhance our properties’ competitive advantages in their respective markets and improve the efficiency of building systems;

~~enhancing~~continuing to expand our management team with individuals who have extensive regional and product-type experience and are highly knowledgeable in their respective ~~markets;~~markets and product types; and

attracting and retaining motivated employees by providing financial and other incentives to meet our operating and financial goals.

Development and Redevelopment Strategies. We and our predecessors have developed office properties primarily located in California since 1947. As of December 31, ~~2015,~~2018, we had two projects in the tenant improvement phase totaling approximately 1.2 million square feet of office and PDR space and three projects under construction totaling approximately 1.3 million square feet of office space, 801 residential units and 96,000 square feet of retail space. In addition, our ~~near-term and~~ future development pipeline was comprised of ~~ten~~five potential development sites representing approximately 9973 gross acres of undeveloped land on which we believe we have the potential to develop over 5.0 million square feet of office, life science, laboratory and retail space, depending upon economic conditions. Our strategy with respect to development is to:

own land sites in highly populated, amenity rich locations that are attractive to a broad array of tenants;

be the premier provider of modern and collaborative office and mixed-use projects on the West Coast with a focus on design and environment;

maintain a disciplined approach by commencing development when appropriate based on market conditions, ~~favoring~~focusing on pre-leasing, developing in stages or phasing, and cost control;

~~be the premier provider of modern and collaborative office buildings on the West Coast with focus on design and environment;~~

reinvest capital from dispositions of selective assets into new ~~state-of-the-market~~state-of-the-art development and acquisition ~~assets~~opportunities with higher cash flow and rates of return;

execute on our development projects under construction ~~and our near-term~~ and future development pipeline, including expanding entitlements; and

evaluate redevelopment opportunities in supply-constrained markets because such efforts generally achieve similar returns to new development with reduced entitlement risk and shorter construction periods.

Redevelopment opportunities are those projects in which we spend significant development and construction costs on existing or acquired buildings pursuant to a formal plan, the intended result of which is a higher economic return

~~on the property.~~ We may engage in the additional development or redevelopment of office and mixed-use properties when market conditions support a favorable risk-adjusted return on such development or redevelopment. We expect that our significant working relationships with tenants, municipalities and landowners on the West Coast will give us further access to development and redevelopment opportunities. We cannot ~~assure you~~ensure that we will be able to successfully develop or redevelop any of our properties or that we will have access to additional development or redevelopment opportunities.

Acquisition Strategies. We believe we are well positioned to acquire opportunistic properties and development and redevelopment opportunities as the result of our extensive experience, strong financial position and ability to access capital. We continue to ~~actively monitor~~focus on growth opportunities in West Coast markets populated by knowledge and creative based tenants in a variety of industries, including technology, media, healthcare, life sciences, entertainment and professional services. Against the backdrop of market volatility, we expect to manage a strong balance sheet, execute on our ~~target markets~~development program and toselectively evaluate ~~the acquisition of value add office properties and development and redevelopment~~ opportunities that add immediate Net Operating Income to our portfolio or play a strategic role in our future growth and that:

provide attractive yields and significant potential for growth in cash flow from property operations;

present growth opportunities in our existing or other strategic markets; and

demonstrate the potential for improved performance through intensive management, repositioning, capital investment and leasing that should result in increased occupancy and rental revenues.

Financing Strategies. Our financing policies and objectives are determined by our board of directors. Our goal is to limit our dependence on leverage and maintain a conservative ratio of debt-to-total market capitalization. As of December 31, ~~2015,~~2018, our total debt as a percentage of total market capitalization was ~~26.7%~~31.4%, ~~and our total debt and liquidation value of our preferred equity as a percentage of total market capitalization~~which was ~~29.1%~~, ~~both of which were~~ calculated based on the quoted closing price per share of the Company’s common stock of ~~$63.28~~$62.88 on December 31, ~~2015~~2018 (see “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations —Liquidity and Capital Resources of the Company —Capitalization” for additional information). Our financing strategies include:

maintaining financial flexibility, including a low secured to unsecured debt ~~ratio, to maximize~~ratio;

maximizing our ability to access a variety of both public and private capital sources;

maintaining a staggered debt maturity schedule in which the maturity dates of our debt are spread over several years to limit risk exposure at any particular point in the capital and credit market cycles;

completing financing in advance of the need for capital; ~~and~~

managing interest rate exposure by generally maintaining a greater amount of fixed-rate debt as compared to variable-rate ~~debt.~~debt; and

maintaining our credit ratings.

We utilize multiple sources of capital, including borrowings under our unsecured ~~line of~~revolving credit facility, unsecured term loan facility, proceeds from the issuance of public or private debt or equity securities and other bank and/or institutional borrowings and ~~dispositions of selective assets.~~our capital recycling program, including strategic venture sources. There can be no assurance that we will be able to obtain capital as needed on terms favorable to us or at all. ~~See~~(See the discussion under the caption “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations —Factors That May Influence Future Results of Operations” and “Item 1A. Risk Factors.”)

Sustainability Strategies. We make excellence in sustainability a core competence by:

managing our properties to offer the maximum degree of utility and operational efficiency to our tenants. We offer tenant sustainability programs focused on helping our tenants reduce their energy and water consumption and increase their recycling diversion rates. Many of our assets are in zones that have been impacted by drought and, as such, face the risk of increased water costs and fines for high consumption. We endeavor to mitigate these risks through comprehensive, proactive water reduction efforts throughout our portfolio, including domestic fixture upgrades, cooling tower optimizations, a comprehensive leak detection program and irrigation systems retrofits. We also incorporate green lease language into 100% of our new leases, including a cost recovery clause for resource-efficiency related capital expenditures in full-service gross leases, which seek to align tenant and landlord interests on energy, water and waste efficiency. Green leases (also known as aligned leases, high performance leases or energy efficient leases) aim to align the financial and energy incentives of building owners and tenants so they can work together to save money, conserve resources

and ensure the efficient operation of buildings. We were honored in 2014 to be part of the inaugural class of Green Lease Leaders, the Institute for Market Transformation’s (“IMT’s”) program to encourage green leasing in real estate. In 2016, IMT honored us again with two Green Lease Leaders Team Transaction awards, and we earned an additional Green Lease Leaders Award at the Gold level in 2018. Energy consumption, water consumption, and greenhouse gas (“GHG”) emissions data for the periods indicated based on the most recent available information, assured by DNV GL Business Assurance USA, Inc., are as follows:

Energy consumption:^*



Year⁽¹⁾	Energy Consumption Data Coverage as % of Total Floor Area⁽²⁾		Total Energy Consumed by Floor Area with Data Coverage (MWh) ⁽³⁾	% of Energy Generated From Renewable Sources ⁽⁴⁾		Like-for-Like Change in Energy Consumption of Floor Area with Data Coverage⁽⁵⁾		% of Eligible Portfolio that has Obtained an Energy Rating and is Certified to ENERGY STAR⁽⁶⁾
2017	96	%	382,688	3	%	(1	)%	73	%
2016	97	%	381,295	3	%	(2	)%	68	%
2015	92	%	254,518	3	%	(5	)%	65	%

Water consumption:^*



Year⁽¹⁾	Water Withdrawal Data Coverage as a % of Total Floor Area⁽⁷⁾		Total Water Withdrawn by Portfolio (m3)⁽⁸⁾	Like-for-like Change in Water Withdrawn for Floor Area with Data Coverage⁽⁵⁾
2017	98	%	898,990	—	%
2016	94	%	856,290	(2	)%
2015	94	%	908,822	(11	)%

GHG Emissions:^*



Year ⁽¹⁾	Scope 1 GHG Data Coverage as a % of Total Floor Area⁽⁹⁾		Scope 1 GHG Emissions (Tonnes CO2) ⁽¹⁰⁾	Like-for-like Change in Scope 1 GHG Emissions Data⁽⁵⁾
2017	100	%	4,641	6	%
2016	100	%	4,059	N/A



Year⁽¹⁾	Scope 2 GHG Data Coverage as a % of Total Floor Area ⁽¹¹⁾		Scope 2 GHG Emissions (Tonnes CO2) ⁽¹²⁾	Like-for-like Change in Scope 2 GHG Emissions Data ⁽⁵⁾
2017	99	%	42,947	(10	)%
2016	97	%	44,145	N/A

________________________

Energy consumption, water consumption and GHG emissions data was assured by way of a Type 2, moderate level assurance assessment, using the AA1000AS (2008) assurance standard in connection with the assurance of the content of our sustainability report by DNV GL Business Assurance USA, Inc. GHG emissions reporting follows the World Business Council for Sustainable Development (WBSCD)/World Resources Institute (WRI) Greenhouse Gas Protocol.


(1)	Full 2018 calendar year energy, water and GHG emissions data is not available until after March 30, 2019.

(2)

Percentage based on gross square footage of portfolio floor area with complete energy consumption data coverage as of the end of the applicable year. Floor area is considered to have complete energy consumption data coverage when energy consumption data (i.e., energy types and amounts consumed) is obtained by the Company for all types of energy consumed in the relevant floor area during the fiscal year, regardless of when such data was obtained.

(3)

Energy includes energy purchased from sources external to the Company and its tenants or produced by the Company or its tenants themselves (self-generated) and energy from all sources, including direct fuel usage, purchased electricity, and heating, cooling and steam energy. Total energy consumption based on floor area with complete energy consumption data coverage as of the end of the applicable year.

(4)

Renewable sources include renewable energy the Company directly produced and renewable energy the Company purchased if purchased through a renewable power purchase agreement that explicitly includes renewable energy certificates (“RECs”) or Guarantees of Origin (“GOs”), a Green-e Energy Certified utility or supplier program or other green power products that explicitly include RECs or GOs or for which Green-e Energy Certified RECs are paired with grid electricity. Percentage is based total energy consumption during applicable year.


(5)	Data reported on a like-for-like comparison excludes assets that have been acquired or disposed over the past twenty-four months as of the end of the applicable year.


(6)	Eligible portfolio represents our office and residential properties that have had 50% or greater occupancy for 12 consecutive months at any point during the applicable year. Percentage is based on rentable square footage of our eligible portfolio that has obtained an energy rating and is certified to ENERGY STAR^® as of the end of the applicable year.


(7)	Percentage based on gross square footage of portfolio floor area with complete water withdrawal data coverage as of the end of the applicable year. Floor area is considered to have complete water withdrawal data coverage when water withdrawal data (i.e., amounts withdrawn) is obtained by the Company for the relevant floor area during the fiscal year, regardless of when such data was obtained.


(8)	Water sources include surface water (including water from wetlands, rivers, lakes and oceans), groundwater, rainwater collected directly and stored by the Company, wastewater obtained from other entities, municipal water supplies or supply from other water utilities. Total water withdrawal based on floor area with complete water withdrawal data coverage as of the end of the applicable year.


(9)	Percentage based on gross square footage of portfolio floor area with complete Scope 1 GHG emissions data coverage as of the end of the applicable year. Floor area is considered to have complete Scope 1 GHG emissions data coverage when GHG emission data (i.e., amounts emitted) is obtained by the Company for the relevant floor area during the fiscal year, regardless of when such data was obtained.


(10)	Scope 1 emissions represent those produced by onsite natural gas consumption procured by the Company.


(11)	Percentage based on gross square footage of portfolio floor area with complete Scope 2 GHG emissions data coverage as of the end of the applicable year. Floor area is considered to have complete Scope 2 GHG emissions data coverage when GHG emission data is obtained by the Company for the relevant floor area during the fiscal year, regardless of when such data was obtained.


(12)	Scope 2 emissions represent those produced by onsite electricity consumption procured by the Company. The Scope 2 emissions were calculated using a location-based method per the GHG Protocol Scope 2 Guidance.

building our current development projects to Leadership in Energy and Environmental Design (“LEED”) specifications. All of our office development projects are now designed to achieve LEED certification, either LEED Platinum or Gold.

actively pursuing LEED certification for approximately 1.3 million square feet of office space under construction. In addition, an analysis of energy performance is included in our standard due diligence process for acquisitions, and reducing energy use year over year is a comprehensive goal of our operational strategy. This is accomplished through systematic energy auditing, mechanical, lighting and other building upgrades, optimizing operations and engaging tenants. During the past few years, we have significantly enhanced the sustainability profile of our portfolio, ending 2018 with 63% of our properties LEED certified and 79% of our properties ENERGY STAR certified (in each case as a percentage of our total rentable square feet as of December 31, 2018). During 2018, the Company was recognized for our sustainability efforts with multiple industry leadership awards, including NAREIT’s 2018 Office Leader in the Light Award for the fifth consecutive year, and in 2018 it won NAREIT’s Most Innovative Leader in the Light Award as well. In addition, the Company was recognized with the ENERGY STAR Partner of the Year Sustained Excellence Award for the fifth time. The Company was also recognized by GRESB as the North American sustainability leader in the listed office sector, and we continue to be listed on the Dow Jones Sustainability World Index.

identifying climate change as a risk to our business, an opportunity for long-term value creation and a key driver in long-term strategic business decisions. These risks and opportunities include policy, market, technology and reputational concerns and are a focus area for the Board and management. Climate-related risks and opportunities are governed by the Board through the Corporate Social Responsibility and Sustainability Committee (the “Committee”). In 2018, the Committee endorsed the recommendations of the Task Force on Climate-related Financial Disclosure (TCFD) and tasked management with assessing and reporting against climate related risk for the Company. Recognizing the importance of reducing the Company’s greenhouse gas impact on the environment, we have committed to achieving carbon neutral operations by December 31, 2020. This means that the entirety of our scope 1 and scope 2 emissions will be offset by this date through a combination of energy efficiency measures and both onsite and offsite renewables. This exceeds our carbon reduction goals previously validated by Science-Based Targets. Science-Based Targets is a collaboration between the Carbon Disclosure Project, the United Nations Global Compact, the World Resources Institute and the World Wide Fund for Nature, which independently assesses and approves the carbon reduction goals of companies.

Significant Tenants

As of December 31, ~~2015~~,2018, our 15 largest tenants in terms of annualized base rental revenues represented approximately ~~36.9%~~45.7% of our total annualized base rental revenues, defined as annualized monthly contractual rents from existing tenants as of December 31, ~~2015~~.2018. Annualized base rental revenue includes the impact of straight-lining rent escalations and the amortization of free rent periods and excludes the impact of the following: amortization of deferred revenue related tenant-funded tenant improvements, amortization of above/below market rents, amortization for lease incentives due under existing leases and expense reimbursement revenue.

For further information on our 15 largest tenants and the composition of our tenant base, see “Item 2. Properties —Significant Tenants.”

Competition

We compete with several developers, owners, operators and acquirers of office, undeveloped land and other commercial real estate, including mixed-use and residential real estate, many of which own properties similar to ours in the same submarkets in which our properties are located. For further discussion of the potential impact of competitive conditions on our business, see “Item 1A. Risk Factors.”

Segment and Geographic Financial Information

During ~~2015~~2018 and ~~2014,~~2017, we had one reportable segment, our office properties segment. For information about our office property revenues and long-lived assets and other financial information, see “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations —Results of Operations.”

As of December 31, ~~2015~~,2018, all of our properties and development projects were owned and all of our business was conducted in the state of California with the exception of ~~twelve~~eight office properties and one ~~future~~ development project under construction located in the state of Washington. ~~All~~As of December 31, 2018, all of our properties and development projects ~~are~~were 100% owned, excluding ~~two~~four office properties owned by ~~Redwood City Partners, LLC,~~three consolidated property partnerships and a ~~consolidated subsidiary, and an undeveloped land parcel~~property held atin a ~~qualified intermediary for potential future~~VIE to facilitate a Section 1031 ~~Exchanges,~~Exchange that closed in January 2019, which have been consolidated for financial reporting purposes ~~as variable interest entities~~ (see Note 2 “Basis of Presentation and Significant Accounting Policies” to our consolidated financial statements included in this ~~report)~~report for further information).

Employees

As of December 31, ~~2015~~2018, we employed ~~232~~276 people through the Operating Partnership, ~~KSLLC,~~Kilroy Services, LLC, and Kilroy Realty TRS, Inc. We believe that relations with our employees are good.

Environmental Regulations and Potential Liabilities

Government ~~Regulation~~Regulations Relating to the Environment. Many laws and governmental regulations relating to the environment are applicable to our properties, and changes in these laws and regulations, or their interpretation by agencies and the courts, occur frequently and may adversely affect us.

Existing conditions at some of our properties. Independent environmental consultants have conducted Phase I or similar environmental site assessments on all of our properties. We generally obtain these assessments prior to the acquisition of a property and may later update them as required for subsequent financing of the property, if a property is slated for disposition, or as requested by a tenant. ~~Site~~Consultants are required to perform Phase I assessments ~~are generally performed~~ to American Society for Testing and Materials standards then-existing for Phase I site assessments and typically include a historical review, a public records review, a visual inspection of the surveyed site, and the issuance of a written report. These assessments do not generally include any soil ~~samplings~~or groundwater sampling or subsurface investigations; however, if a Phase 1I does recommend that soil or groundwater samples be taken or other subsurface investigations take place, we generally perform such recommended actions. Depending on the age of the property, the Phase I may have included an assessment of asbestos-containing materials or a separate hazardous materials survey may have been conducted.

For properties where asbestos-containing materials were identified or suspected, an operations and maintenance plan was generally prepared and implemented.

Historical operations at or near some of our properties, including the presence of underground or above ground storage tanks, various sites uses that involved hazardous substances, the landfilling of hazardous substances and solid waste, and migration of contamination from other sites, may have caused soil or groundwater contamination. In some instances, the prior owners of the affected properties conducted remediation of known contamination in the soils on our ~~properties. Although~~properties, we are required to conduct further environmental clean-up and environmental closure activities at certain properties, and residual contamination could pose environmental, health, and safety risks if not appropriately addressed. We may need to investigate or remediate contaminated soil, soil gas, landfill gas, and groundwater, and we may also need to conduct landfill closure and post-closure activities, including, for example, the implementation of groundwater and methane monitoring systems and impervious cover, and the costs of such work could exceed projected or budgeted amounts. To protect the health and safety of site occupants and others, we may be required to ~~conduct further~~implement and operate safeguards, including, for example, vapor intrusion mitigation systems and building protection systems to address methane. We may need to modify our methods of construction or face increased construction costs as a result of environmental conditions, and we may face obligations under agreements with governmental authorities with respect to the management of such environmental conditions. If releases from our sites migrate offsite, or if our site redevelopment activities cause or contribute to a migration of hazardous substances, neighbors or others could make claims against us, such as for property damage, personal injury, or cost recovery.

As of December 31, 2018, we had accrued environmental remediation liabilities of approximately $83.2 million recorded on our consolidated balance sheets in connection with certain of our in-process and future development projects. The accrued environmental remediation liabilities represent the costs we estimate we will incur when we perform environmental clean-up and closure activities and commence development at various development acquisition sites. These estimates, which we developed with the assistance of third party experts, consist primarily of the removal of contaminated soil, performing environmental closure activities, constructing remedial systems and other related costs since we are required to dispose of any existing contaminated soil, and sometimes perform other environmental closure or remedial activities, when we develop new buildings at these ~~properties (see~~sites. It is possible that we could incur additional environmental remediation costs in connection with these development projects. However, potential additional environmental costs cannot be reasonably estimated at this time and certain changes in estimates could occur as the site conditions, final project timing, design elements, actual soil conditions and other aspects of the projects, which may depend upon municipal and other approvals beyond the control of the Company, are determined. See Note 1618 “Commitments and Contingencies” to our consolidated financial statements included in this report for additional ~~information regarding~~information.

Other than the accrued environmental liabilities recorded in connection with certain of our ~~ground lease obligations),~~development projects, we are not aware of any such condition, liability, or concern by any other means that would give rise to material environmental ~~liability.~~liabilities. However, our assessments may have failed to reveal all environmental conditions, liabilities, or compliance concerns; there may be material environmental conditions, liabilities, or compliance concerns

that arose at a property after the review was completed; future laws, ordinances, or regulations may impose material additional environmental liability; and environmental conditions at our properties may be affected in the future by tenants, third parties, or the condition of land or operations near our properties, such as the presence of underground storage ~~tanks.~~tanks or migrating plumes. We cannot be certain that costs of future environmental compliance will not have an adverse effect on our financial condition, results of operations, cash flow, the quoted trading price of our securities, and our ability to satisfy our debt service obligations and to pay dividends and distributions to security holders.

Use of hazardous materials by some of our tenants. Some of our tenants handle hazardous substances and wastes on our properties as part of their routine operations. Environmental laws and regulations may subject these tenants, and potentially us, to liability resulting from such activities. We generally require our tenants in their leases to comply with these environmental laws and regulations and to indemnify us for any related liabilities. As of December 31, ~~2015~~,2018, other than routine cleaning materials, approximately ~~5-8%~~4-6% of our tenants handled hazardous substances and/or wastes on approximately 1-3% of the aggregate square footage of our properties as part of their routine operations. These tenants are primarily involved in the life sciences business. The hazardous substances and wastes are primarily comprised of diesel fuel for emergency generators and small quantities of lab and light manufacturing chemicals including, but not limited to, alcohol, ammonia, carbon dioxide, cryogenic gases, dichlorophenol, methane, naturalyte

acid, nitrogen, nitrous oxide, and oxygen which are routinely used by life science companies. We are not aware of any material noncompliance, liability, or claim relating to hazardous or toxic substances or petroleum products in connection with any of our properties, and management does not believe that on-going activities by our tenants will have a material adverse effect on our operations.

Costs related to government regulation and private litigation over environmental matters. Under applicable environmental laws and regulations, we may be liable for the costs of removal, remediation, or disposal of certain hazardous or toxic substances present or released on our properties. These laws could impose liability without regard to whether we are responsible for, or even knew of, the presence or release of the hazardous materials. Government investigations and remediation actions may have substantial costs, and the presence or release of hazardous substances on a property could result in governmental clean-up actions, personal injury actions, or similar claims by private plaintiffs.

Potential environmental liabilities may exceed our environmental insurance coverage limits, transactional indemnities or holdbacks. We carry what we believe to be commercially reasonable environmental insurance. Our environmental insurance policies are subject to various terms, conditions and exclusions. Similarly, in connection with some transactions we obtain environmental indemnities and holdbacks that may not be honored by the indemnitors, may be less than the resulting liabilities or may otherwise fail to address the liabilities adequately. Therefore, we cannot provide any assurance that our insurance coverage or transactional indemnities will be sufficient or that our liability, if any, will not have a material adverse effect on our financial condition, results of operations, cash flows, quoted trading price of our securities, and our ability to satisfy our debt service obligations and to pay dividends and distributions to security holders.

Litigation

Lawsuits have been filed in San Francisco County Superior Court in connection with the vertical and differential settlement experienced at the Millennium Tower property located at 301 Mission Street in San Francisco, California, a building not owned by the Company but located in proximity to the Company’s property located at 350 Mission Street. Among the claims asserted in the complex lawsuits are claims that acts by various entities, including entities affiliated with other neighboring properties, contributed to the settlement that Millennium Tower has experienced. In October 2017, two defendants named in the lawsuits asserted cross-claims for equitable indemnification against certain of the Company’s entities in connection with the development and construction-related activities at our neighboring 350 Mission Street property. One of those parties has voluntarily dismissed its cross-claims against the Company’s entities. We dispute the allegations and intend to vigorously defend against these claims.

ITEM 1A. RISK FACTORS

The following section sets forth material factors that may adversely affect our business and operations. The following factors, as well as the factors discussed in “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations —Factors That May Influence Future Results of Operations” and other information contained in this report, should be considered in evaluating us and our business.

Risks Related to our Business and Operations

Global market, economic and ~~economic~~geopolitical conditions may adversely affect our business, results of operations, liquidity and financial condition and those of our tenants. Our business may be adversely affected by global market, economic and ~~economic~~geopolitical conditions, including general global economic and political uncertainty and dislocations in the credit markets. ~~Concern about continued stability~~If these conditions become more volatile or worsen, our and our tenant’s business, results of the economy and credit markets generally, and the strength of counterparties specifically, has led many lenders and institutional investors to reduce or, in some cases, cease to provide funding to borrowers. Volatility in the U.S. and international capital markets and concern over a return to recessionary conditions in global economies, and in the California economy in particular, may adversely affect ouroperations, liquidity and financial condition and those of our tenants may be adversely affected as a result of the ~~liquidity and~~following consequences, among others:

the financial condition of our tenants, many of which are technology; life science and healthcare; finance, insurance and real estate; media and professional business and other service firms, may be adversely affected, which may result in tenant defaults under leases due to bankruptcy, lack of liquidity, operational failures or for other reasons;

~~tenants. If these~~significant job losses in the financial and professional services industries may occur, which may decrease demand for our office space, causing market rental rates and property values to be negatively impacted;

our ability to obtain financing on terms and conditions ~~continue~~that we find acceptable, or ~~worsen, they~~at all, may be limited, which could reduce our ability to pursue acquisition and development opportunities and refinance existing debt, reduce our returns from our acquisition and development activities and increase our future interest expense;

reduced values of our properties may limit our ability to dispose of assets at attractive prices or to obtain debt financing secured by our properties and may reduce the ~~ability~~availability of ~~our tenants~~unsecured loans; and

one or more lenders under the Operating Partnership’s unsecured revolving credit facility could refuse to ~~timely refinance maturing liabilities~~fund their financing commitment to us or could fail and ~~access~~we may not be able to replace the ~~capital markets to meet liquidity needs.~~financing commitment of any such lenders on favorable terms, or at all.

All of our properties are located in California and greater Seattle, Washington and we may therefore be susceptible to adverse economic conditions and regulations, as well as natural disasters, in those areas. Because all of our properties are concentrated in California and greater Seattle, we may be exposed to greater economic risks than if we owned a more geographically dispersed portfolio. Further, within California, our properties are concentrated in Greater Los Angeles, Orange County, San Diego County and the San Francisco Bay Area, exposing us to risks associated with those specific areas. We are susceptible to adverse developments in the economic and regulatory environments of California and greater Seattle (such as periods of economic slowdown or recession, business layoffs or downsizing, industry slowdowns, relocations of businesses, increases in real estate and other taxes, costs of complying with governmental regulations or increased regulation and other factors), as well as adverse weather conditions and natural disasters that occur in those areas (such as earthquakes, wind, landslides, droughts, fires and other events). For example, many of our assets are in zones that have been impacted by drought and, as such, face the risk of increased water costs and potential fines and/or penalties for high consumption. In addition, California is also regarded as more litigious and more highly regulated and taxed than many other states, which may reduce demand for office space in California.

Any adverse developments in the economy or real estate market in California and the surrounding region, or in greater Seattle or any decrease in demand for office space resulting from the California or greater Seattle regulatory or business environment could impact our ability to generate revenues sufficient to meet our operating expenses or other obligations, which would adversely impact our financial condition, results of operations, cash flows, the quoted trading price of our securities and our ability to satisfy our debt service obligations and to pay dividends and distributions to our security holders.

Our performance and the market value of our securities are subject to risks associated with our investments in real estate assets and with trends in the real estate industry. Our economic performance and the value of our real estate assets and, consequently the market value of the Company’s securities, are subject to the risk that our properties may not generate revenues sufficient to meet our operating expenses or other obligations. A deficiency of this nature would adversely impact our financial condition, results of operations, cash flows, the quoted trading price of our securities, and our ability to satisfy our debt service obligations and to pay dividends and distributions to our security holders.

Events and conditions applicable to owners and operators of real estate that are beyond our control and could impact our economic performance and the value of our real estate assets may include:

local oversupply or reduction in demand for office, mixed-use or other commercial space, which may result in decreasing rental rates and greater concessions to tenants;

inability to collect rent from tenants;

vacancies or inability to rent space on favorable terms or at all;

inability to finance property development and acquisitions on favorable terms or at all;

increased operating costs, including insurance premiums, utilities and real estate taxes;

costs of complying with changes in governmental regulations;

the relative illiquidity of real estate investments;

declines in real estate asset valuations, which may limit our ability to dispose of assets at attractive prices or obtain or maintain debt financing;

changing submarket demographics;

changes in space utilization by our tenants due to technology, economic conditions and business culture;

the development of harmful mold or other airborne toxins or contaminants that could damage our properties or expose us to third-party liabilities; and

property damage resulting from seismic activity or other natural disasters.

We depend upon significant tenants, and the loss of a significant tenant could adversely affect our financial condition, results of operations, ability to borrow funds and cash flows. As of December 31, ~~2015~~2018, our 15 largest tenants represented approximately ~~36.9%~~45.7% of total annualized base rental revenues. See further discussion on the composition of our tenants by industry and our largest tenants under “Item 2. Properties —Significant Tenants.”

Our financial condition, results of operations, ability to borrow funds and cash flows would be adversely affected if any of our significant tenants fails to renew its lease(s), renew its lease(s) on terms less favorable to us, or becomes bankrupt or insolvent or otherwise unable to satisfy its lease obligations.

Downturn in tenants’ businesses may reduce our revenues and cash flows. For the year ended December 31, ~~2015~~2018, we derived approximately ~~99.6%~~98.7% of our revenues from rental income and tenant reimbursements. A tenant may experience a downturn in its business, which may weaken its financial condition and result in its failure to make timely rental payments or result in defaults under our leases. In the event of default by a tenant, we may experience delays in enforcing our rights as landlord and may incur substantial costs in protecting our investment.

The bankruptcy or insolvency of a major tenant also may adversely affect the income produced by our properties. If any tenant becomes a debtor in a case under federal bankruptcy law, we cannot evict the tenant solely because of the bankruptcy. In addition, the bankruptcy court might permit the tenant to reject and terminate its lease with us. Our

claim against the tenant for unpaid and future rent could be subject to a statutory cap that might be substantially less than the remaining rent actually owed under the lease. Therefore, our claim for unpaid rent would likely not be paid in full. Any losses resulting from the bankruptcy of any of our existing tenants could adversely impact our financial condition, results of operations, cash flows, the quoted trading price of our securities, and our ability to satisfy our debt service obligations and to pay dividends and distributions to our security holders.

A large percentage of our tenants operate in a concentrated group of industries and downturns in these industries could adversely affect our financial condition, results of operations and cash flows. As of December 31, ~~2015~~,2018, as a percentage of our annualized base rental revenue, ~~37%~~48% of our tenants operated in the technology industry, ~~16%~~14% in the life science and health care industries, 14% in the media industry, 9% in the finance, insurance and real estate industries, ~~13%~~7% in the professional, business and other services industries ~~11% in the media industry, 10% in the education~~ and ~~health services industries and 13%~~8% in other industries. As we continue our development and potential acquisition activities in markets populated by knowledge and creative based tenants in the technology and media industries, our tenant mix could become more concentrated, further exposing us to risks associated with those industries. For a further discussion of the composition of our tenants by industry, see “Item 2. Properties —Significant Tenants.” An economic downturn in any of these industries, or in any industry in which a significant number of our tenants currently or may in the future operate, could negatively impact the financial condition of such tenants and cause them to fail to make timely rental payments or default on lease obligations, fail to renew their leases or renew their leases on terms less favorable to us, become bankrupt or insolvent, or otherwise become unable to satisfy their obligations to us. As a result, a downturn in an industry in which a significant number of our tenants operate could adversely affect our financial conditions, result of operations and cash flows.

We may be unable to renew leases or re-lease available space. Most of our income is derived from the rent earned from our tenants. We had office space representing approximately ~~5.2%,~~5.6% of the total square footage of our stabilized office properties that was not occupied as of December 31, ~~2015~~.2018. In addition, leases representing approximately ~~5.8%~~11.5% and ~~10.4%~~11.8% of the leased rentable square footage of our properties are scheduled to expire in ~~2016~~2019 and ~~2017,~~2020, respectively. Of the leases scheduled to expire in 2019, 66% of the rentable square footage scheduled to expire was re-leased as of December 31, 2018. Above market rental rates on some of our properties may force us to renew or re-lease expiring leases at rates below current lease rates. We cannot provide any assurance that leases will be renewed, available space will be re-leased or that our rental rates will be equal to or above the current rental rates. If the average rental rates for our properties decrease, existing tenants do not renew their leases, or available space is not re-leased, our financial condition, results of operations, cash flows, the quoted trading price of our securities, and our ability to satisfy our debt service obligations and to pay dividends and distributions to our security holders could be adversely affected. For additional information on our scheduled lease expirations, see “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations —Factors That May Influence Future Results of Operations.”

We are subject to governmental regulations that may affect the development, redevelopment and use of our properties. Our properties are subject to regulation under federal laws, such as the Americans with Disabilities Act of 1990 (the “ADA”), pursuant to which all public accommodations must meet federal requirements related to access and

use by disabled persons, and state and local laws addressing earthquake, fire and life safety requirements. Although we believe that our properties substantially comply with requirements under applicable governmental regulations, none of our properties have been audited or investigated for compliance by any regulatory agency. If we were not in compliance with material provisions of the ADA or other regulations affecting our properties, we might be required to take remedial action, which could include making modifications or renovations to our properties. Federal, state, or local governments may also enact future laws and regulations that could require us to make significant modifications or renovations to our properties. If we were to incur substantial costs to comply with the ADA or any other regulations, our financial condition, results of operations, cash flows, the quoted trading price of our securities, and our ability to satisfy our debt service obligations and to pay dividends and distributions to our security holders could be adversely affected.

Our properties are subject to land use rules and regulations that govern our development, redevelopment and use of our properties, such as Title 24 of the California Code of Regulations (“Title 24”), which prescribes building energy efficiency standards for residential and nonresidential buildings in the State of California. If we were not in compliance with material provisions of Title 24 or other regulations affecting our properties, we might be required to take remedial action, which could include making modifications or renovations to our properties. Changes in the existing land use rules and regulations and approval process that restrict or delay our ability to develop, redevelop or use our properties (such as potential restrictions on the use and/or density of new developments, water use and other uses and activities)

or that prescribe additional standards could have an adverse effect on our financial position, results of operations, cash flows, the quoted trading price of our securities, and our ability to satisfy our debt service obligations and to pay dividends and distributions to our security holders.

We may not be able to meet our debt service obligations. As of December 31, ~~2015,~~2018, we had approximately ~~$2.2~~$3.0 billion aggregate principal amount of indebtedness, of which ~~$9.7~~$76.3 million in principal payments will be paid during the year ended December 31, ~~2016 and our next debt maturity of $64.3~~2019. Of this amount, $74.3 million ~~of secured debt will occur~~was paid in February ~~2017.~~2019 upon repayment of a mortgage note at par. Our total debt ~~and preferred equity~~ at December 31, ~~2015~~2018 represented ~~29.1%~~31.4% of our total market capitalization (which we define as the aggregate of our long-term debt ~~liquidation value of our preferred equity,~~ and the market value of the Company’s common stock and the Operating Partnership’s common units of limited partnership interest, or common ~~units)~~units, based on the closing price per share of the Company’s common stock as of that date). For the calculation of our market capitalization and additional information on debt maturities, see “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations —Liquidity and Capital Resources of the Company —Capitalization” and “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations —Liquidity and Capital Resources of the Operating Partnership —Liquidity Uses.”

Our ability to make payments on and to refinance our indebtedness and to fund our operations, working capital, and capital expenditures, depends on our ability to generate cash flow in the future. Our cash flow is subject to general economic, industry, financial, competitive, operating, legislative, regulatory, environmental and other factors, many of which are beyond our control.

The instruments and agreements governing some of our outstanding indebtedness (including borrowings under the Operating Partnership’s unsecured revolving credit facility, unsecured term loan facility and ~~unsecured term loan)~~note purchase agreements) contain provisions that require us to repurchase for cash or repay that indebtedness under specified circumstances or upon the occurrence of specified events (including upon the acquisition by any person or group of more than a specified percentage of the aggregate voting power of all the Company’s issued and outstanding voting stock, upon certain changes in the composition of ~~control~~a majority of the ~~Company)~~members of the Company’s Board, if the Company or one of its wholly-owned subsidiaries ceases to be the sole general partner of the Operating Partnership or if the Company ceases to own, directly or indirectly, at least 60% of the voting equity interests in the Operating Partnership), and our future debt agreements and debt securities may contain similar provisions or may require that we repay or repurchase or offer to repurchase for cash the applicable indebtedness ~~for cash~~ under specified circumstances or upon the occurrence of specified changes of control of the Company or the Operating Partnership or other events. We may not have sufficient funds to pay our indebtedness when due (including upon any such required repurchase, repayment or offer to repurchase), and we may not be able to arrange for the financing necessary to make those payments or repurchases on favorable terms or at all. In addition, our ability to make required payments on our indebtedness when due (including upon any such required repurchase, repayment or offer to repurchase) may be limited by the terms of other debt instruments or agreements. Our failure to pay amounts due in respect of any of our indebtedness when due ~~may~~would generally constitute an event of default under the instrument governing that indebtedness, which could permit the holders of that indebtedness to require the immediate repayment of that indebtedness in full and, in the case of secured indebtedness, could allow them to sell the collateral securing that indebtedness and use the proceeds to repay that indebtedness. Moreover, any acceleration of or default in respect of any of our indebtedness could, in turn, constitute an event of default under other debt instruments or agreements, thereby resulting in the acceleration and required repayment of that other indebtedness. Any of these events could materially adversely affect our ability to make payments of principal and interest on our indebtedness when due and could prevent us from making those payments altogether.

We cannot assure you that our business will generate sufficient cash flow from operations or that future sources of cash will be available to us in an amount sufficient to enable us to pay amounts due on our indebtedness or to fund our other liquidity needs, including cash distributions to stockholders necessary to maintain the Company’s REIT qualification. Additionally, if we incur additional indebtedness in connection with future acquisitions or for any other purpose, our debt service obligations could increase.

We may need to refinance all or a portion of our indebtedness on or before maturity. Our ability to refinance our indebtedness or obtain additional financing will depend on, among other things:

•our financial condition, results of operations and market conditions at the time; and

•restrictions in the agreements governing our indebtedness.

As a result, we may not be able to refinance our indebtedness on commercially reasonable terms or at all. If we do not generate sufficient cash flow from operations, and additional borrowings or refinancings or proceeds of asset sales or other sources of cash are not available to us, we may not have sufficient cash to enable us to meet all of our obligations. Accordingly, if we cannot service our indebtedness, we may have to take actions such as seeking additional equity financing, delaying capital expenditures, or entering into strategic acquisitions and alliances. Any of these events or circumstances could have a material adverse effect on our financial condition, results of operations, cash flows, the trading price of our securities and our ability to satisfy our debt service obligations and to pay dividends and distributions to our security holders. In addition, foreclosures could create taxable income without accompanying cash proceeds, which could require us to borrow or sell assets to raise the funds necessary to pay amounts due on our indebtedness and to meet the REIT distribution requirements discussed below, even if such actions are not on favorable terms.

The covenants in the agreements governing the Operating Partnership’s unsecured revolving credit facility, unsecured term loan facility and ~~unsecured term loan~~note purchase agreements may limit our ability to make distributions to the holders of our common stock. The Operating Partnership’s ~~$600.0~~$750.0 million unsecured revolving credit facility, $150.0 million unsecured term loan facility and ~~$39.0 million unsecured term loan~~note purchase agreements contain financial covenants that could limit the amount of distributions payable by us on our common stock and any preferred ~~stock.~~stock we may issue in the future. We rely on cash distributions we receive from the Operating Partnership to pay distributions on our common stock and any preferred stock we may issue in the future and to satisfy our other cash needs, and the unsecured revolving credit facility, unsecured term loan facility and unsecured term loan provide that the Operating Partnership may not, in any year, make partnership distributions to us or other holders of its partnership interests in an aggregate amount in excess of the greater of:

~~95% of the Operating Partnership’s consolidated funds from operations (as defined in the~~needs. The agreements governing the unsecured revolving credit facility, the unsecured term loan facility and the note purchase agreements provide that, if the Operating Partnership fails to pay any principal of, or interest on, any borrowings or other amounts payable under such agreement when due or during any other event of default under such revolving credit facility, loan facility and the unsecured ~~term loan) for such year; and~~

~~an amount which results~~private placement notes, the Operating Partnership may make only those partnership distributions that result in distributions to us ~~(excluding any preferred partnership distributions to the extent the same have been deducted from consolidated funds from operations (as so defined) for such year)~~ in an amount sufficient to permit us to ~~pay dividends~~make distributions to our stockholders that we reasonably believe are necessary to (a) maintain our qualification as a REIT for federal and state income tax purposes and (b) avoid the payment of federal or state income or excise tax.

In addition, the agreements governing the unsecured revolving credit facility, unsecured term loan facility and unsecured term loan each provides that, if the Operating Partnership fails to pay any principal of or interest on any borrowings or other amounts payable under such agreement when due, the Operating Partnership may make only those partnership distributions that result in distributions to us in an amount sufficient to permit us to make distributions to our stockholders that we reasonably believe are necessary to maintain our status as a REIT for federal and state income tax purposes. Any limitation on our ability to make distributions to our stockholders, whether as a result of these provisions in the unsecured revolving credit facility, the unsecured term loan facility, ~~unsecured term loan~~the note purchase agreements or otherwise, could have a material adverse effect on the market value of our common stock.

A downgrade in our credit ratings could materially adversely affect our business and financial condition. The credit ratings assigned to the Operating Partnership’s debt securities and ~~our~~any preferred stock we may issue in the future could change based upon, among other things, our results of operations and financial condition. These ratings are subject to ongoing evaluation by credit rating agencies, and we cannot assure you that any rating will not be changed or withdrawn by a rating agency in the future if, in its judgment, circumstances warrant. Moreover, these credit ratings do not apply to our common stock and are not recommendations to buy, sell or hold our common stock or any other securities. If any of the credit rating agencies that have rated the Operating Partnership’s debt securities or ~~our~~any preferred stock we may issue in the future downgrades or lowers

its credit rating, or if any credit rating agency indicates that it has placed any such rating on a so-called “watch list” for a possible downgrading or lowering or otherwise indicates that its outlook for that rating is negative, it could have a material adverse effect on our costs and availability of capital, which could in turn have a material adverse effect on our financial condition, results of operations, cash flows, the trading price of our securities, and our ability to satisfy our debt service obligations and to pay dividends and distributions to our security holders.

We face significant competition, which may decrease the occupancy and rental rates of our properties. We compete with several developers, owners and operators of office, undeveloped land and other commercial real estate, including mixed-use and residential real estate, many of which own properties similar to ours in the same submarkets in which our properties are located but which have lower occupancy rates than our properties. Therefore, our competitors have an incentive to decrease rental rates until their available space is leased. If our competitors offer space at rental rates below the rates currently charged by us for comparable space, we may be pressured to reduce our rental rates below those currently charged in order to retain tenants when our tenant leases expire. As a result, our financial condition, results of operations, cash flow, the quoted trading price of our securities, and our ability to satisfy our debt service obligations and to pay dividends and distributions to our security holders may be adversely affected.

In order to maintain the quality of our properties and successfully compete against other properties, we must periodically spend money to maintain, repair and renovate our properties, which reduces our cash flows. If our properties are not as attractive to current and prospective tenants in terms of rent, services, condition or location as properties owned by our competitors, we could lose tenants or suffer lower rental rates. As a result, we may from time to time be required to make significant capital expenditures to maintain the competitiveness of our properties. There can be no assurances that any such expenditure would result in higher occupancy or higher rental rates, or deter existing tenants from relocating to properties owned by our competitors.

Potential casualty losses, such as earthquake losses, may adversely affect our financial condition, results of operations and cash flows. We carry comprehensive liability, fire, extended coverage, rental loss, and terrorism insurance covering all of our properties. Management believes the policy specifications and insured limits are appropriate given the relative risk of loss, the cost of the coverage and industry practice. We do not carry insurance for generally uninsurable losses such as loss from riots or acts of God. In addition, all of our properties are located in earthquake-prone areas. We carry earthquake insurance on our properties in an amount and with deductibles that management believes are commercially reasonable. However, the amount of our earthquake insurance coverage may not be sufficient to cover losses from earthquakes. We may also discontinue earthquake insurance on some or all of our properties in the future if the cost of premiums for earthquake insurance exceeds the value of the coverage discounted for the risk of loss. If we experience a loss that is uninsured or which exceeds policy limits, we could lose the capital invested in the damaged properties as well as the anticipated future cash flows from those properties. Further, if the damaged properties are subject to recourse indebtedness, we would continue to be liable for the indebtedness, even if the properties were irreparable.

We may not be able to rebuild our existing properties to their existing specifications if we experience a substantial or comprehensive loss of such properties. In the event that we experience a substantial or comprehensive loss of one of our properties, we may not be able to rebuild such property to its existing specifications. Further, reconstruction or improvement of such property could potentially require significant upgrades to meet zoning and building code requirements or be subject to environmental and other legal restrictions.

Our business is subject to risks associated with climate change and our sustainability strategies. Climate change ~~may adversely affect our business.~~ ~~To the extent that climate change does occur, we may experience~~could trigger extreme weather and changes in precipitation, temperature, and ~~temperature,~~air quality, all of which may result in physical damage to, or a decrease in demand for, our properties located in the areas affected by these conditions. Should the impact of climate change be ~~material in nature~~severe or occur for lengthy periods of time, our financial condition or results of operations would be adversely affected. ~~In addition,~~

Recognizing the importance of climate change and reducing our greenhouse gas impact on the environment, our sustainability strategies include a commitment to achieving carbon neutral operations by December 31, 2020. This means that the entirety of our scope 1 and scope 2 emissions will be offset by this date through a combination of energy efficiency measures and both onsite and offsite renewables. Scope 1 emissions represent those produced by onsite natural gas consumption procured by us, and Scope 2 emissions represent those produced by onsite electricity consumption procured by us.Our own efforts to reduce our greenhouse gas impact on the environment and/or comply with changes in federal and state ~~legislation~~laws and ~~regulation~~regulations on climate change could result in ~~increased~~significant capital expenditures to improve the energy efficiency of our existing properties or properties we may acquire. Changes to such law and regulations could also result in ~~order~~increased operating costs at our properties (for example, through increased utility costs). Moreover, if we are unable to achieve carbon neutral operations by our targeted date or comply with laws and regulations on climate change, our reputation among our tenants and investors may be damaged and we may incur fines and/or penalties.

In addition, many of our assets are in zones that have been impacted by drought and, as such, ~~regulations.~~face the risk of increased water costs and potential fines and/or penalties for high consumption. We endeavor to mitigate these risks through comprehensive, proactive water reduction efforts throughout our portfolio, including domestic fixture upgrades, cooling tower optimizations, a comprehensive leak detection program and irrigation systems retrofits. We also incorporate green lease language into 100% of our new leases, including a cost recover clause for resource-efficiency related capital expenditures in full-service gross leases, which aim to align our and our tenant’s interests on energy, water and waste efficiency. In addition, we are building our current development projects to LEED specifications, and all of our office development projects are now designed to achieve LEED certification, either LEED Platinum or Gold. However, there can be no assurances that we will successfully mitigate the risk of increased water costs and potential

fines and/or penalties for high consumption or that we will be able to fully recoup any capital expenditures we incur in connection with our green leases. Moreover, there can be no assurance that our development projects will be able to achieve the anticipated LEED certifications or that any of our sustainability strategies will result in reduced operating costs, higher occupancy or higher rental rates or deter our existing tenants from relocating to properties owned by our competitors.

We are subject to environmental and health and safety laws and regulations, and any costs to comply with, or liabilities arising under, such laws and regulations could be material. As an owner, operator, manager, acquirer and developer of real properties, we are subject to environmental and health and safety laws and regulations. Certain of these laws and regulations impose joint and several liability, without regard to fault, for investigation and clean-up

costs on current and former owners and operators of real property and persons who have disposed of or released hazardous substances into the environment. At some of our properties, there are asbestos-containing materials, or tenants routinely handle hazardous substances as part of their operations. In addition, historical operations and conditions, including the presence of underground storage tanks, various site uses that involved hazardous substances, the landfilling of hazardous substances and solid waste, and migration of contamination from other sites, have caused soil or groundwater contamination at or near some of our properties. Although we believe that the prior owners of the affected properties or other persons may have conducted remediation of known contamination at many of these properties, not all such contamination has been remediated, ~~and~~ further clean-up or environmental closure activities at certain of these properties is or may be ~~required.~~required, and residual contamination could pose environmental, health, and safety risks if not appropriately addressed. We may need to investigate or remediate contaminated soil, soil gas, landfill gas, and groundwater, and we may also need to conduct landfill closure and post-closure activities, including, for example, the implementation of groundwater and methane monitoring systems and impervious cover, and the costs of such work could exceed projected or budgeted amounts. To protect the health and safety of site occupants and others, we may be required to implement and operate safeguards, including, for example, vapor intrusion mitigation systems and building protection systems to address methane. We may need to modify our methods of construction or face increased construction costs as a result of environmental conditions, and we may face obligations under agreements with governmental authorities with respect to the management of such environmental conditions. If releases from our sites migrate offsite, or if our site redevelopment activities cause or contribute to a migration of hazardous substances, neighbors or others could make claims against us, such as for property damage, personal injury, cost recovery, or natural resources damage. As of December 31, 2018, we had accrued environmental remediation liabilities of approximately $83.2 million recorded on our consolidated balance sheets in connection with certain of our in-process and future development projects. The accrued environmental remediation liabilities represent the costs we estimate we will incur when we commence development at various development acquisition sites. These estimates, which we developed with the assistance of third party experts, consist primarily of the removal of contaminated soil, performing environmental closure activities, construction remedial systems, and other related costs since we are required to dispose of any existing contaminated soil, and sometimes perform other environmental closure or remedial activities, when we develop new office properties as these sites. It is possible that we could incur additional environmental remediation costs in connection with future development projects. However, potential additional environmental costs cannot be reasonably estimated at this time and certain changes in estimates could occur as the site conditions, final project timing, design elements, actual soil conditions and other aspects of the projects, which may depend upon municipal and other approvals beyond the control of the Company, are determined. Unknown or unremediated contamination or ~~the~~ compliance with existing or new environmental or health and safety laws and regulations could require us to incur costs or liabilities that could be material. See “Item 1. Business —Environmental Regulations and Potential ~~Liabilities.”~~Liabilities” and Note 18 “Commitments and Contingencies” to our consolidated financial statements included in this report.

We may be unable to complete acquisitions and successfully operate acquired properties. We continually evaluate the market of available properties and may continue to acquire office or mixed-use properties and undeveloped land when strategic opportunities exist. Our ability to acquire properties on favorable terms and successfully operate them is subject to various risks, including the following:

we may potentially be unable to acquire a desired property because of competition from other real estate investors with significant capital, including both publicly traded and private REITs, institutional investment funds and other real estate investors;

even if we are able to acquire a desired property, competition from other real estate investors may significantly increase the purchase price;

even if we enter into agreements for the acquisition of a desired property, we may be unable to complete such acquisitions because they remain subject to customary conditions to closing, including the completion of due diligence investigations to management’s satisfaction;

we may be unable to finance acquisitions on favorable terms or at all;

we may spend more than budgeted amounts in operating costs or to make necessary improvements or renovations to acquired properties;

we may lease acquired properties at economic lease terms different than projected;

we may acquire properties that are subject to liabilities for which we may have limited or no recourse; and

we may be unable to complete an acquisition after making a nonrefundable deposit and incurring certain other acquisition-related costs.

If we cannot finance property acquisitions on favorable terms or operate acquired properties to meet financial expectations, our financial condition, results of operations, cash flows, the quoted trading price of our securities and our ability to satisfy our debt service obligations and to pay dividends and distributions to our security holders could be adversely affected.

There are significant risks associated with property acquisition, development and redevelopment. We may be unable to successfully complete and operate acquired, developed and redeveloped ~~properties.~~ ~~There are significant risks associated with property acquisition, development~~properties, and ~~redevelopment, including the possibility~~it is possible that:

we may be unable to lease acquired, developed or redeveloped properties ~~at projected economic~~on lease terms projected at the time of acquisition, development or redevelopment or within budgeted timeframes;

the operating expenses at acquired, developed or redeveloped properties may be greater than projected at the time of acquisition, development or redevelopment, resulting in our investment being less profitable than we expected;

we may not commence or complete development or redevelopment properties on schedule or within budgeted ~~amounts;~~amounts or at all;

we may not be able to develop or redevelop the estimated square footage and other features of our development and redevelopment properties;

we may suspend development or redevelopment projects after construction has begun due to changes in economic conditions or other factors, and this may result in the write-off of costs, payment of additional costs or increases in overall costs when the development or redevelopment project is restarted;

we may expend funds on and devote management’s time to acquisition, development or redevelopment properties that we may not ~~complete;~~complete and as a result we may lose deposits or fail to recover expenses already incurred;

we may encounter delays or refusals in obtaining all necessary zoning, land use, and other required entitlements, and building, occupancy, and other required governmental permits and authorizations;

we may encounter delays, refusals, unforeseen cost increases and other impairments resulting from third-party litigation; and

we may fail to obtain the financial results expected from properties we acquire, develop or redevelop.

If one or more of these events were to occur in connection with our acquired properties, undeveloped land, or development or redevelopment properties under construction, we could be required to recognize an impairment loss.

These events could also have an adverse impact on our financial condition, results of operations, cash flow, the quoted trading price of our securities, and our ability to satisfy our debt service obligations and to pay dividends and distributions to our security holders.

While we historically have acquired, developed and redeveloped office properties in California markets, over the past few years we have acquired properties in greater Seattle, where we currently have ~~twelve~~eight properties and one ~~future~~ development project under construction, and may in the future acquire, develop or redevelop properties for other uses and expand our business to other geographic regions where we expect the development or acquisition of property to result in favorable risk-adjusted returns on our investment. Presently, we do not possess the same level of familiarity with other outside markets, which could adversely affect our ability to acquire, develop or redevelop properties or to achieve expected performance.

We face risks associated with the development of mixed-use commercial properties. We are currently developing, and in the future may develop, properties either alone or through joint ventures that are known as “mixed-use” developments. This means that in addition to the development of office space, the project may also include space for residential, retail or other commercial purposes. Generally, we have less experience developing and managing non-office real estate. As a result, if a development project includes non-office space, we may develop that space ourselves or seek to partner with a third-party developer with more experience. If we do not partner with such a developer, or if we choose to develop the space ourselves, we would be exposed to specific risks associated with the development and ownership of non-office real estate. In addition, if we elect to participate in the development through a joint venture, we may be exposed to the risks associated with the failure of the other party to complete the development as expected, which could require that we identify another joint venture partner and/or complete the project ourselves (including providing any necessary financing). In the case of residential properties, these risks include competition for prospective tenants from other operators whose properties may be perceived to offer a better location or better amenities or whose rent may be perceived as a better value given the quality, location and amenities that the tenant seeks. With residential properties, we will also compete against apartments, condominiums and single-family homes that are for sale or rent. Because we have less experience with residential properties, we may retain third parties to manage these properties. If we decide to wholly own a non-office project and hire a third-party manager, we could be dependent on that party and its key personnel to provide services to us, and we may not find a suitable replacement if the management agreement is terminated, or if key personnel leave or otherwise become unavailable to us.

Joint venture investments could be adversely affected by our lack of sole decision-making authority, our reliance on co-venturers' financial condition, and disputes between us and our co-venturers and could expose us to potential liabilities and losses. In addition to the 100 First LLC and 303 Second LLC strategic ventures and the Redwood City Partners, LLC venture, ~~formed during 2013,~~ we may continue to co-invest in the future with third parties through partnerships, joint ventures or other entities, or through acquiring non-controlling interests in, or sharing responsibility for, managing the affairs of a property, partnership, joint venture or other entity, which may subject us to risks that may not be present with other methods of ownership, including the following:

we would not be able to exercise sole decision-making authority regarding the property, partnership, joint venture or other entity, which would allow for impasses on decisions that could restrict our ability to sell or transfer our interests in such entity or such entity’s ability to transfer or sell its assets;

partners or co-venturers might become bankrupt or fail to fund their share of required capital contributions,

which could delay construction or development of a property or increase our financial commitment to the partnership or joint venture;

partners or co-venturers may pursue economic or other business interests, policies or objectives that are competitive or inconsistent with ours;

if we become a limited partner or non-managing member in any partnership or limited liability company, and such entity takes or expects to take actions that could jeopardize our status as a REIT or require us to pay tax, we may be forced to dispose of our interest in such entity;

disputes between us and partners or co-venturers may result in litigation or arbitration that would increase our expenses and prevent our officers and/or directors from focusing their time and effort on our business; and

we may, in certain circumstances, be liable for the actions of our third-party partners or co-venturers.

We own certain properties subject to ground leases and other restrictive agreements that limit our uses of the properties, restrict our ability to sell or otherwise transfer the properties and expose us to the loss of the properties if such agreements are breached by us, terminated or not renewed. As of December 31, ~~2015~~,2018, we owned ~~eleven~~thirteen office buildings, located on various land parcels and in various regions, which we lease individually on a long-term basis. As of December 31, ~~2015~~,2018, we had approximately ~~1.9~~2.0 million aggregate rentable square feet, or ~~14.2%~~15.3% of our total stabilized portfolio, of rental space located on these leased parcels and we may in the future invest in additional properties that are subject to ground leases or other similar restrictive arrangements. Many of these ground leases and other restrictive agreements impose significant limitations on our uses of the subject property, restrict our ability to sell or otherwise transfer our interests in the property or restrict our leasing of the property. These restrictions may limit our ability to timely sell or exchange the properties, impair the properties’ value or negatively impact our ability to find suitable tenants for the properties. In addition, if we default under the terms of any particular lease, we may lose the ownership rights to the property subject to the lease. Upon expiration of a lease, we may not be able to renegotiate a new lease on favorable terms, if at all. The loss of the ownership rights to these properties or an increase of rental expense could have an adverse effect on our financial condition, results of operations, cash flow, the quoted trading price of our securities, and our ability to satisfy our debt service obligations and to pay dividends and distributions to our security holders.

Real estate assets are illiquid, and we may not be able to sell our properties when we desire. Our investments in our properties are relatively illiquid, limiting our ability to sell our properties quickly in response to changes in economic or other conditions. In addition, the Code generally imposes a 100% prohibited transaction tax on the Company on profits derived from sales of properties held primarily for sale to customers in the ordinary course of business, which effectively limits our ability to sell properties other than on a selected basis. These restrictions on our ability to sell our properties could have an adverse effect on our financial condition, results of operations, cash flow, the quoted trading price of our securities, and our ability to satisfy our debt service obligations and to pay dividends and distributions to our security holders.

We may invest in securities related to real estate, which could adversely affect our ability to pay dividends and distributions to our security holders. We may purchase securities issued by entities that own real estate and may, in the future, also invest in mortgages. In general, investments in mortgages are subject to several risks, including:

borrowers may fail to make debt service payments or pay the principal when due;

the value of the mortgaged property may be less than the principal amount of the mortgage note securing the property; and

interest rates payable on the mortgages may be lower than our cost for the funds used to acquire these mortgages.

Owning these securities may not entitle us to control the ownership, operation and management of the underlying real estate. In addition, we may have no control over the distributions with respect to these securities, which could adversely affect our ability to pay dividends and distributions to our security holders.

We face risks associated with short-term liquid investments. From time to time, we have significant cash balances that we invest in a variety of short-term investments that are intended to preserve principal value and maintain a high degree of liquidity while providing current income. These investments may include (either directly or indirectly):

direct obligations issued by the U.S. Treasury;

obligations issued or guaranteed by the U.S. government or its agencies;

taxable municipal securities;

obligations (including certificates of deposits) of banks and thrifts;

commercial paper and other instruments consisting of short-term U.S. dollar denominated obligations issued by corporations and banks;

repurchase agreements collateralized by corporate and asset-backed obligations;

both registered and unregistered money market funds; and

other highly rated short-term securities.

Investments in these securities and funds are not insured against loss of principal. Under certain circumstances we may be required to redeem all or part of our investment, and our right to redeem some or all of our investment may be delayed or suspended. In addition, there is no guarantee that our investments in these securities or funds will be redeemable at par value. A decline in the value of our investment or a delay or suspension of our right to redeem may have a material adverse effect on our results of operations or financial condition.

Future terrorist activity or engagement in war by the United States may have an adverse effect on our financial condition and operating results. Terrorist attacks in the United States and other acts of terrorism or war, may result in declining economic activity, which could harm the demand for and the value of our properties. In addition, the public perception that certain locations are at greater risk for attack, such as major airports, ports and rail facilities, may decrease the demand for and the value of our properties near these sites. A decrease in demand could make it difficult for us to renew or re-lease our properties at these sites at lease rates equal to or above historical rates. Terrorist activities also could directly impact the value of our properties through damage, destruction, or loss, and the availability of insurance for these acts may be less, and cost more, which could adversely affect our financial condition. To the extent that our tenants are impacted by future attacks, their businesses similarly could be adversely affected, including their ability to continue to honor their existing leases.

Terrorist acts and engagement in war by the United States also may adversely affect the markets in which our securities trade and may cause further erosion of business and consumer confidence and spending, and may result in increased volatility in national and international financial markets and economies. Any one of these events may cause a decline in the demand for our office leased space, delay the time in which our new or renovated properties reach stabilized occupancy, increase our operating expenses, such as those attributable to increased physical security for our properties, and limit our access to capital or increase our cost of raising capital.

The enactment of the Dodd-Frank Wall Street Reform and Consumer Protection Act (“Dodd-Frank Act”) will subject us to substantial additional federal regulation. There are significant corporate governance and executive compensation-related requirements that have been, and will in the future be, imposed on publicly-traded companies under the Dodd-Frank Act. Several of these provisions require the SEC to adopt additional rules and regulations in these areas. For example, the Dodd-Frank Act requires publicly-traded companies to give stockholders a non-binding vote on executive compensation and so-called “golden parachute” payments, heightens certain independence standards for compensation advisers and authorizes the SEC to promulgate rules that would allow stockholders to nominate their own candidates for board seats using a registrant’s proxy materials.payments. Our efforts to comply with these requirements have resulted in, and are likely to continue to result in, an increase in expenses and a diversion of management’s time

from other business activities. In addition, if stockholders do not vote to approve our executive compensation practices and/or our equity plan amendments, these actions may interfere with our ability to attract and retain key personnel who are essential to our future success. Provisions of the Dodd-Frank Act that directly affect other participants in the real estate and capital markets, such as banks, investment funds and interest rate hedge providers, could also have indirect, but material, impacts on our business that cannot now be predicted. In addition, in February 2017, the U.S. President ordered the Secretary of the U.S. Treasury to review certain existing rules and regulations, such as those promulgated under the Dodd-Frank Act; however, the implications of that review are not yet known and none of the rules and regulations promulgated under the Dodd-Frank Act have been modified or rescinded as of the date of this report. Given the uncertainty associated with both the results of the existing Dodd-Frank Act requirements and the manner in which additional provisions of the Dodd-Frank Act will be implemented by various regulatory agencies and through regulations, the full extent of the impact of such requirements on our operations is unclear. Accordingly, the changes resulting from the Dodd-Frank Act may impact the profitability of business activities, require changes to certain business practices, or otherwise adversely affect our financial condition, results of operations, cash flows, the quoted trading price of our securities and our ability to satisfy our debt service obligations and to pay dividends and distributions to our security holders.

Our property taxes could increase due to reassessment or property tax rate changes. We are required to pay ~~some~~ state and local taxes on our properties. In addition, the real property taxes on our properties may increase as our properties are reassessed by taxing authorities or as property tax rates change. For example, under a current California law commonly referred to as “Proposition 13,” property tax reassessment generally occurs as a result of a “change in ownership” of a property, as ~~specially~~specifically defined for purposes of those rules. Because the property taxing authorities may not determine whether there has been a “change in ownership” or the actual reassessed value of a property for a period of time after a transaction has occurred, we may not know the impact of a potential reassessment for a considerable amount of time following a particular ~~transaction.~~transaction or construction of a new property. Therefore, the amount of property taxes we are required to pay could increase substantially from the property taxes we currently pay or have paid in the past, including on a retroactive basis. In addition, from time to time voters and lawmakers have announced initiatives to repeal or amend Proposition 13 to eliminate its application to commercial property and/or introduce split tax roll legislation. Such initiatives, if successful, would increase the assessed value and/or tax rates applicable to commercial property in California, including our properties. An increase in the assessed value of our properties or our property tax rates could adversely impact our financial condition, results of operations, cash flows, the quoted trading price of our securities, and our ability to satisfy our debt service obligations and to pay dividends and distributions to our security holders.

Unfavorable resolution of litigation matters and disputes could have a material adverse effect on our financial condition.From time to time, we are involved in legal proceedings, lawsuits and other claims. We may also be named as defendants in lawsuits allegedly arising out of our actions or the actions of our operators, ~~and~~vendors, contractors, tenants or other contractual parties in which such ~~operators and tenants~~parties have agreed to indemnify, defend and hold us harmless from and against various claims, litigation and liabilities arising in connection with their respective ~~businesses.~~businesses and/or added as an additional insured under certain insurance policies. An unfavorable resolution of ~~litigation~~any legal proceeding, lawsuit or other claim could have ana negative effect on our financial condition, results of operations, cash flow and the quoted trading price of our ~~securities, and our ability to satisfy our debt service obligations and our ability to pay dividends and distributions to our security holders.~~securities. Regardless of its outcome, ~~litigation~~legal proceedings, lawsuits and other claims may result in substantial costs and expenses and significantly divert the attention of our management. There can be no assurance that we will be able to prevail, ~~in,~~ or achieve a favorable settlement or outcome. There can also be no assurance that our insurance or the insurance and/or any contractual indemnities of ~~litigation.~~our operators, vendors, contractors, tenants or other contractual parties will be enough to cover all of our defense costs or any resulting liabilities. In addition, litigation, government proceedings or environmental matters could lead to increased costs or interruption of our normal business operations.

Our business could be adversely impacted if there are deficiencies in our disclosure controls and procedures or internal control over financial reporting. The design and effectiveness of our disclosure controls and procedures and internal control over financial reporting may not prevent all errors, misstatements or misrepresentations. While management will continue to review the effectiveness of our disclosure controls and procedures and internal control over financial reporting, there can be no guarantee that our internal control over financial reporting will be effective in accomplishing all control objectives all of the time. Deficiencies, including any material weakness, in our internal control over financial reporting that may occur in the future could result in misstatements of our results of operations, restatements of our financial statements, or otherwise adversely impact our financial condition, results of operations, cash flows, the quoted trading price of our securities, and our ability to satisfy our debt service obligations and to pay dividends and distributions to our security holders.

We face risks associated with security breaches through cyber attacks, cyber intrusions or otherwise, as well as other significant disruptions of our information technology (IT) networks and related systems. We face risks associated with security breaches, whether through cyber attacks or cyber intrusions over the Internet, malware, computer viruses, attachments to e-mails, persons inside our organization or persons with access to systems inside our organization, and other significant disruptions of our IT networks and related systems. The risk of a security breach or disruption, particularly through cyber attack or cyber intrusion, including by computer hackers, foreign governments and cyber

terrorists, has generally increased as the number, intensity and sophistication of attempted attacks and intrusions from around the world have increased. Our IT networks and related systems are essential to the operation of our business and our ability to perform day-to-day operations (including managing our building systems), and, in some cases, may be critical to the operations of certain of our tenants. There can be no assurance that our efforts to maintain the security and integrity of these types of IT networks and related systems will be effective or that attempted security breaches or disruptions would not be successful or damaging. ~~A security breach~~Like other businesses, we have been and expect to continue to be subject to unauthorized access, mishandling or misuse, computer viruses or malware, cyber attacks and other events

of varying degrees. Historically, these events have not adversely affected our operations or business and were not individually or in the aggregate material.

However, in the future, events such as these or other significant ~~disruption~~disruptions involving our IT networks and related systems could, among other things:

result in unauthorized access to, destruction, loss, theft, misappropriation or release of proprietary, confidential, sensitive or otherwise valuable information of ours or others, including personally identifiable and account information that could be used to compete against us or for disruptive, destructive or otherwise harmful purposes and outcomes;

result in unauthorized access to or changes to our financial accounting and reporting systems and related data;

result in the theft of funds;

result in our inability to maintain building systems relied on by our tenants;

require significant management attention and resources to remedy any damage that ~~result;~~results;

subject us to regulatory penalties or claims for breach of contract, damages, credits, penalties or terminations of leases or other agreements; or

damage our reputation among our tenants and investors.

These events could have an adverse impact on our financial condition, results of operations, cash flows, the quoted trading price of our securities, and our ability to satisfy our debt service obligations and to pay dividends and distributions to our security holders.

An increase in interest rates ~~would~~could increase our interest costs on variable rate debt and new debt and could adversely affect our ~~financial condition, results of operations~~ability to refinance existing debt, conduct development, redevelopment and ~~cash flows.~~acquisition activity and recycle capital. As of December 31, ~~2015~~2018, we had an unsecured revolving credit facility and an unsecured term loan facility bearing interest at variable rates on any amounts drawn and outstanding. These facilities comprised approximately ~~8.4%~~6.6% of our total outstanding debt ~~was~~at December 31, 2018 and were subject to variable interest rates and therefore subject to interest rate risk. In addition, we ~~have an unsecured revolving credit facility bearing interest at a variable rate on all amounts drawn on the facility and we~~ may incur additional variable rate debt in the future. ~~An increase in~~If interest rates onincrease, so could our interest costs for any variable rate debt ~~would increase our interest expense. Further, rising~~and for new debt. This increased cost could make the financing of any development, redevelopment and acquisition activity costlier. Rising interest rates could also limit our ability to refinance existing debt when it ~~matures. To~~matures or cause us to pay higher interest rates upon refinancing and increase interest expense on refinanced indebtedness. In addition, an increase in interest rates could decrease the amount third parties are willing to pay for our assets, thereby limiting our ability to recycle capital and our portfolio promptly in response to changes in economic or other conditions.

We manage a portion of our exposure to interest rate risk by accessing debt with staggered maturities, and we may in the future mitigate this risk inthrough the ~~future we may enter into~~use of derivative instruments, including interest rate swap agreements or other interest rate hedging ~~contracts.~~agreements, including swaps, caps and floors. While these agreements ~~would be~~are intended to lessen the impact of rising interest rates on us, they ~~could~~ also expose us to the ~~risk~~risks that counter parties may fail to honor their obligations, that we could incur significant costs associated with the settlement of these agreements, that the ~~counterparties fail~~amount of income we earn from hedging transactions may be limited by federal tax provisions governing REITs, that these agreements may cause us to ~~perform, or~~pay higher interest rates on our debt obligations than would otherwise be the case and that underlying transactions could fail to qualify as highly-effective cash flow hedges under the accounting guidance. As a result, failure to hedge effectively against interest rate risk, if we choose to engage in such activities, could adversely affect our financial condition, results of operations, cash flows, the quoted trading price of our securities, and our ability to satisfy our debt service obligations and to pay dividends and distributions to our security holders.

The trading price of our common stock may fluctuate significantly. The trading price of our common stock may fluctuate significantly. Between January 1, ~~2015~~2018 and February ~~11, 2016,~~8, 2019, the closing sale price of ~~KRC’s~~Company’s common

stock on the New York Stock Exchange, or the NYSE, ranged from ~~$47.38~~a low of $59.46 to ~~$78.86~~a high of $77.34 per share. The trading price of our common stock may fluctuate in response to many factors, including:

actual or anticipated variations in our operating results, funds from operations, cash flows, liquidity or distributions;

our ability to successfully execute on our development ~~program;~~plans;

our ability to successfully complete acquisitions and operate acquired properties;

earthquakes;

changes in our earnings estimates or those of analysts;

publication of research reports about us, the real estate industry generally or the office and residential sectors in which we operate;

the failure to maintain our current credit ratings or comply with our debt covenants;

increases in market interest ~~rates that lead purchasers of our common stock to demand a higher dividend yield;~~rates;

changes in market valuations of similar companies;

adverse market reaction to any debt or equity securities we may issue or additional debt we incur in the future;

additions or departures of key management personnel;

actions by institutional ~~stockholders;~~investors;

speculation in the press or investment community;

high levels of volatility in the credit markets;

general market and economic conditions; and

the realization of any of the other risk factors included in this report.

Many of the factors listed above are beyond our control. These factors may cause the trading price of our common stock to decline, regardless of our financial ~~performance and~~ condition, ~~and~~results of operations, business or prospects. ~~It is impossible to provide any assurance~~We cannot assure you that the trading price of our common stock or the amount of dividends we pay on our common stock will not decline in the future, and it may be difficult for ~~holders~~investors to resell shares of our common stock at prices they find attractive, or at all.

Changes in accounting pronouncements could adversely affect our operating results, in addition to the reported financial performance of our tenants. Uncertainties posed by various initiatives of accounting standard-setting by the Financial Accounting Standards Board (“FASB”) and the SEC, which establish and govern accounting standards for U.S. companies, may change the financial accounting and reporting standards or their interpretation and application of these standards that govern the preparation of our financial statements, including ~~proposed changes in~~the adoption of the lease ~~accounting.~~accounting standard.

Proposed and/or future changes in accounting standards could have a material impact on our reported financial condition and results of operations. In some cases, we could be required to apply a new or revised standard retroactively, resulting in potentially material restatements of prior period financial statements. Similarly, these changes could have a material impact on our tenants’ reported financial condition or results of operations or could impact our tenants’ business decisions in leasing real estate.

We face risks associated with our tenants and contractual counterparties being designated “Prohibited Persons” by the Office of Foreign Assets Control. Pursuant to Executive Order 13224 and other laws, the Office of Foreign Assets Control of the United States Department of the Treasury (“OFAC”) maintains a list of persons designated as terrorists or who are otherwise blocked or banned (“Prohibited Persons”). OFAC regulations and other laws prohibit conducting business or engaging in transactions with Prohibited Persons (the “OFAC Requirements”). Certain of our loan and other agreements require us to comply with OFAC Requirements. Our leases and other agreements, in general, require the other party to comply with OFAC Requirements. If a tenant or other party with whom we contract is placed on the OFAC list, we may be required by the OFAC Requirements to terminate the lease or other agreement. Any such termination could result in a loss of revenue or a damage claim by the other party that the termination was wrongful.

The actual density of our undeveloped land holdings and/or any particular land parcel may not be consistent with our potential density estimates. As of December 31, 2018, we estimate that our five future potential development sites, representing approximately 73gross acres of undeveloped land, provide more than 5.0 million square feet of potential density. We caution you not to place undue reliance on the potential density estimates for our undeveloped land holdings and/or any particular land parcel because they are based solely on our estimates, using data currently available to us, and our business plans as of December 31, 2018. The actual density of our undeveloped land holdings and/or any particular land parcel may differ substantially from our estimates based on numerous factors, including our inability to obtain necessary zoning, land use and other required entitlements, as well as building, occupancy and other required governmental permits and authorizations, and changes in the entitlement, permitting and authorization processes that restrict or delay our ability to develop, redevelop or use undeveloped land holdings at anticipated density levels. Moreover, we may strategically choose not to develop, redevelop or use our undeveloped land holdings to their maximum potential density or may be unable to do so as a result of factors beyond our control, including our ability to obtain capital on terms that are acceptable to us, or at all, to fund our development and redevelopment activities. We can provide no assurance that the actual density of our undeveloped land holdings and/or any particular land parcel will be consistent with our potential density estimates. For additional information on our development program, see “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations —Factors That May Influence Future Results of Operations.”

Loss of our key personnel could harm our operations and financial performance and adversely affect the quoted trading price of our securities. The leadership and performance of our executive and senior officers play a key role in the success of the Company. They are integral to the Company’s success for many reasons, including that each has a strong national or regional reputation in our industry and investment community. In addition, they have significant relationships with investors, lenders, tenants and industry personnel, which benefit the Company.

Risks Related to Our Organizational Structure

~~Loss of our key personnel could harm our operations and financial performance and adversely affect the quoted trading price of our securities.~~ ~~The leadership and performance of our executive and senior officers play a key role in~~

the success of the Company. They are integral to the Company’s success for many reasons, including that each has a strong national or regional reputation in our industry and investment community. In addition, they have significant relationships with investors, lenders, tenants and industry personnel, which benefit the Company.

Our growth depends on external sources of capital that are outside of our control and the inability to obtain capital on terms that are acceptable to us, or at all, could adversely affect our financial condition and results of operations. The Company is required under the Code to distribute at least 90% of its taxable income (subject to certain adjustments and excluding any net capital gain), and the Operating Partnership is required to make distributions to the Company to allow the Company to satisfy these REIT distribution requirements. Because of these distribution requirements, the Operating Partnership is required to make distributions to the Company, and we may not be able to fund future capital needs, including any necessary acquisition financing, from operating cash flow. Consequently, management relies on third-party sources of capital to fund our capital needs. We may not be able to obtain financing on favorable terms or at all. Any additional debt we incur will increase our leverage. Access to third-party sources of capital depends, in part, on general market conditions and the availability of credit, the market’s perception of our growth potential, our current and expected future earnings, our cash flows and cash distributions and the quoted trading price of our securities. If we cannot obtain capital from third-party sources, our financial condition, results of operations, cash flows, the quoted trading price of our securities, and our ability to satisfy our debt service obligations and to pay dividends and distributions to our security holders may be adversely affected.

Our common limited partners have limited approval rights, which may prevent us from completing a change of control transaction that may be in the best interests of all our security holders. The Company may not withdraw as the Operating Partnership’s general partner or transfer its general partnership interest in the Operating Partnership without the approval of the holders of at least 60% of the units representing common limited partnership interests, including the common units held by the Company in its capacity as the Operating Partnership’s general partner. In addition, the Company may not engage in a merger, consolidation or other combination or the sale of substantially all of its assets or such similar transaction, without the approval of the holders of 60% of the common units, including the common units held by the Company in its capacity as the Operating Partnership’s general partner. The right of our common limited partners to vote on these transactions could limit our ability to complete a change of control transaction that might otherwise be in the best interest of all our security holders.

In certain circumstances, our limited partners must approve our dissolution and the disposition of properties contributed by the limited partners. For as long as limited partners own at least 5% of all of the Operating Partnership’s partnership interests, we must obtain the approval of limited partners holding a majority of the units representing common limited partnership interests before we may dissolve. As of December 31, ~~2015~~2018, limited partners owned approximately ~~1.9%~~2.0% of the Operating Partnership’s partnership interests, of which 0.8% was owned by John Kilroy. In addition, we agreed to use commercially reasonable efforts to minimize the tax consequences to certain common limited partners resulting from the repayment, refinancing, replacement, or restructuring of debt, or any sale, exchange, or other disposition of any of our other assets. The exercise of one or more of these approval rights by the limited partners could delay or prevent us from completing a transaction that may be in the best interest of all our security holders.

The Chairman of our board of directors and our President and Chief Executive Officer has substantial influence over our affairs. John Kilroy is the Chairman of our board of directors and our President and Chief Executive Officer. John Kilroy beneficially owned, as of December 31, ~~2015~~2018, approximately 1.5% of the total outstanding shares of our common stock. The percentage of outstanding shares of common stock beneficially owned includes ~~70,321~~234,664 shares of common stock, ~~464,925~~501,512 restricted stock units (“RSUs”) that were vested and held by John Kilroy at December 31, ~~2015~~,2018, and assumes the exchange into shares of our common stock of the ~~782,059~~783,192 common units of the Operating Partnership held by John Kilroy (which may be exchanged for an equal number of shares of our common stock).

Pursuant to the Company’s charter, no stockholder may own, actually or constructively, more than 7.0% (by value or by number of shares, whichever is more restrictive) of our outstanding common stock without obtaining a waiver from the board of directors. The board of directors has waived the ownership limits with respect to John Kilroy, members of his family and some of their affiliated entities. These named individuals and entities may own either actually or constructively, in the aggregate, up to 19.6% of ~~the~~ our common stock, excluding Operating Partnership units that are exchangeable into shares of our common stock. Consequently, John Kilroy has substantial influence over the Company, and because the Company is the manager of the Operating Partnership, over the Operating Partnership, and could

exercise his influence in a manner that is not in the best interest of our stockholders, noteholders or unitholders. Also, John Kilroy may, in the future, have a substantial influence over the outcome of any matters submitted to our stockholders or unitholders for approval.

There are restrictions on the ownership of the Company’s capital stock that limit the opportunities for a change of control at a premium to existing security holders. Provisions of the Maryland General Corporation Law, the Company’s charter and bylaws and the Operating Partnership’s partnership agreement may delay, deter, or prevent a change of control of the Company, or the removal of existing management. Any of these actions might prevent our security holders from receiving a premium for their shares of common stock or common units over the then-prevailing market price of the shares of our common stock.

In order for the Company to qualify as a REIT under the Code, its stock must be beneficially owned by 100 or more persons during at least 335 days of a taxable year of 12 months (other than the first year for which an election to be a REIT has been made) or during a proportionate part of a shorter taxable year. Also, not more than 50% of the value of the outstanding shares of the Company’s stock may be owned, actually or constructively, by five or fewer individuals (as defined in the Code to include certain entities) during the last half of a taxable year (other than the first year for which an election to be a REIT has been made). The Company’s charter contains restrictions on the ownership and transfer of its capital stock that are intended to assist the Company in complying with these requirements and continuing to qualify as a REIT. No single stockholder may own, either actually or constructively, absent a waiver

from the board of directors, more than 7.0% (by value or by number of shares, whichever is more restrictive) of the Company’s outstanding common stock. Similarly, absent a waiver from the board of directors, no single holder of the Company’s 6.875% Series G Cumulative Redeemable Preferred stock (the “Series G Preferred Stock”) may actually or constructively own more than 9.8% (by value or by number of shares, whichever is more restrictive) of the Company’s Series G Preferred Stock; and no single holder of the Company’s 6.375% Series H Cumulative Redeemable Preferred stock (the “Series H Preferred Stock”) may actually or constructively own more than 9.8% (by value or by number of shares, whichever is more restrictive) of the Company’s Series H Preferred Stock.

The constructive ownership rules under the Code are complex and may cause stock owned actually or constructively by a group of related individuals and/or entities to be owned constructively by one individual or entity. As a result, the acquisition of less than the applicable ownership limit of a particular class of the Company’s capital stock could, nevertheless, cause that individual or entity, or another individual or entity, to constructively own stock in excess of, and thereby subject such stock to, the applicable ownership limit.

The board of directors may waive the ownership limits if it is satisfied that the excess ownership would not jeopardize the Company’s REIT status and if it believes that the waiver would be in our best interest. The board of directors has waived the ownership limits with respect to John Kilroy, members of his family and some of their affiliated entities. These named individuals and entities may own either actually or constructively, in the aggregate, up to 19.6% of our outstanding common stock, excluding common units that are exchangeable into shares of common stock.

If anyone acquires shares in excess of any ownership limits without a waiver, the transfer to the transferee will be void with respect to the excess shares, the excess shares will be automatically transferred to a trust for the benefit of a qualified charitable organization, and the purported transferee or owner will have no rights with respect to those excess shares.

The Company’s charter contains provisions that may delay, deter or prevent a change of control transaction. The following provisions of the Company’s charter may delay or prevent a change of control over us, even if a change of control might be beneficial to our security holders, deter tender offers that may be beneficial to our security holders, or limit security holders’ opportunity to receive a potential premium for their shares and/or units if an investor attempted to gain shares beyond the Company’s ownership limits or otherwise to effect a change of control:

the Company’s charter authorizes the board of directors to issue up to 30,000,000 shares of the Company’s preferred stock, including convertible preferred stock, without stockholder approval. The board of directors may establish the preferences, rights and other terms, including the right to vote and the right to convert into common stock any shares issued. The issuance of preferred stock could delay or prevent a tender offer or a change of control even if a tender offer or a change of control was in our security holders’ ~~interest. As of December 31, 2015, 8,000,000 shares of the Company’s preferred stock were issued and outstanding,~~

~~consisting of 4,000,000 shares of the Company’s Series G Preferred Stock and 4,000,000 shares of the Company’s Series H Preferred Stock;~~interest; and

the Company’s charter states that any director, or the entire board of directors, may be removed from office at any time, but only for cause and then only by the affirmative vote of the holders of at least two thirds of the votes of the Company’s capital stock entitled to be cast in the election of directors.

The board of directors may change investment and financing policies without stockholder or unitholder approval. Our board of directors determines our major policies, including policies and guidelines relating to our acquisition, development and redevelopment activities, leverage, financing, growth, operations, indebtedness, capitalization and distributions to our security holders. Our board of directors may amend or revise these and other policies and guidelines from time to time without stockholder or unitholder approval. Accordingly, our stockholders and unitholders will have limited control over changes in our policies and those changes could adversely impact our financial condition, results of operations, cash flows, the quoted trading price of our securities, and our ability to satisfy our debt service obligations and to pay dividends and distributions to our security holders.

We are not limited in our ability to incur debt. Our financing policies and objectives are determined by the board of directors. Our goal is to limit our dependence on leverage and maintain a conservative ratio of debt to total market capitalization. However, our organizational documents do not limit the amount or percentage of indebtedness, funded or otherwise, that we may incur. As of December 31, ~~2015,~~2018, we had approximately~~$2.2~~ $3.0 billion aggregate principal amount of indebtedness outstanding, which represented ~~26.7%~~31.4% of our total market capitalization. ~~Our total debt and the liquidation value of our preferred equity as a percentage of total market capitalization was approximately 29.1% as of December 31, 2015.~~ See “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations —Liquidity and Capital Resources of the Company —Capitalization” for a calculation of our market capitalization. These ratios may be increased or decreased without the consent of our unitholders or stockholders. Increases in the amount of debt outstanding would result in an increase in our debt service costs, which could adversely affect cash flow and our ability to pay dividends and distributions to our security holders. Higher leverage also increases the risk of default on our obligations and limits our ability to obtain additional financing in the future.

We may issue additional common units and shares of capital stock without unitholder or stockholder approval, as applicable, which may dilute unitholder or stockholder investment. The Company may issue shares of our common stock, preferred stock or other equity or debt securities without stockholder approval, including the issuance of shares to satisfy REIT dividend distribution requirements. Similarly, the Operating Partnership may offer its common or preferred units for contributions of cash or property without approval by our stockholders or the Operating Partnership’s unitholders. Existing security holders have no preemptive rights to acquire any of these securities, and any issuance of equity securities under these circumstances may dilute a unitholder's or stockholder's investment.

The market price of our common stock may be adversely affected by future offerings of debt and equity securities by us or the Operating Partnership. In the future, we may increase our capital resources by offering our debt securities and preferred stock, the Operating Partnership’s debt securities and equity securities and our or the Operating Partnership’s other borrowings. Upon our liquidation, dissolution or winding-up, holders of such debt securities, our preferred stock and Operating Partnership’s equity securities, and lenders with respect to other borrowings by us and the Operating Partnership, will be entitled to receive distributions of our available assets prior to the holders of our common stock and it is possible that, after making distributions on these other securities and borrowings, no assets would be available for distribution to holders of our common stock. In addition, the Operating Partnership’s debt and equity securities and borrowings are structurally senior to our common stock, our debt securities and borrowings are senior in right of payment to our common stock, and ~~our outstanding preferred stock has and~~ any preferred stock we may issue in the future may have a preference over our common stock, and all payments (including dividends, principal and interest) and liquidating distributions on such securities and borrowings could limit our ability to pay dividends or make other distributions to the holders of our common stock. Because any decision to issue securities and make borrowings in the future will depend on market conditions and other factors, some of which may be beyond our control, we cannot predict or estimate the amount, timing or nature of our or the Operating Partnership’s future offerings or borrowings. Such future offerings or borrowings may reduce the market price of our common stock.

Sales of a substantial number of shares of the Company’s securities, or the perception that this could occur, could result in decreasing the quoted trading price per share of the Company’s common stock and of the Operating Partnership’s publicly-traded notes. Management cannot predict whether future issuances of shares of the Company’s common stock, or the availability of shares for resale in the open market will result in decreasing the market price per share of the Company’s common stock. As of December 31, ~~2015, 92,258,690~~2018, 100,746,988 shares of the Company’s common stock ~~and 8,000,000 shares of the Company’s preferred stock, consisting of 4,000,000 shares of Series G Preferred Stock and 4,000,000 shares of Series H Preferred Stock,~~ were issued and outstanding.

As of December 31, ~~2015,~~2018, the Company had reserved for future issuance the following shares of common stock: ~~1,764,775~~2,025,287 shares issuable upon the exchange, at the Company’s option, of the Operating Partnership’s common units; ~~1,686,608~~approximately 0.6 million shares remained available for grant under our 2006 Incentive Award Plan (see Note ~~13 “Shared-Based~~15 “Share-Based Compensation” to our consolidated financial statements included in this report); ~~1,269,809~~approximately 1.7 million shares issuable upon settlement of time-based RSUs; ~~425,452~~a maximum of 1.6 million shares contingently issuable upon settlement of RSUs subject to the achievement of market and/or performance conditions; and ~~610,000~~25,500 shares issuable upon exercise of outstanding options. The Company has a currently effective registration statement registering ~~8,320,000~~9.2 million shares of our common stock for possible issuance under our 2006 Incentive Award Plan. The Company has a currently effective registration statement registering ~~1,821,503~~1,649,760 shares of our common stock for possible issuance to and resale by certain holders of the Operating Partnership’s common units. That registration statement also registers ~~141,634~~94,441 shares of common stock held by ~~certain stockholders~~John Kilroy for possible resale. Consequently, if and when the shares are issued, they may be freely traded in the public markets. The Company has a currently effective registration statement registering a total of up to 9,236,100 shares of our common stock (subject to certain anti-dilution and other potential adjustments) issuable upon conversion of our Series G preferred stock and Series H preferred stock following a “Change of Control” (as defined in the terms of the Series G preferred stock and Series H preferred stock, respectively) of the Company, and, if and when issued, will generally be freely tradable in the public markets. Consequently, if and when the shares are issued or sold under these registration statements, they will be freely tradable in the public markets.

Risks Related to Taxes and the Company’s Status as a REIT

Loss of the Company’s REIT status would have significant adverse consequences to us and the value of the Company’s common stock. The Company currently operates in a manner that is intended to allow it to qualify as a REIT for federal income tax purposes under the Code. If the Company were to lose its REIT status, the Company would face adverse tax consequences that would substantially reduce the funds available for distribution to its stockholders for each of the years involved because:

the Company would not be allowed a deduction for dividends paid to its stockholders in computing the Company’s taxable income and would be subject to federal income tax at regular corporate rates;

the Company could be subject to ~~the federal alternative minimum tax and possibly~~ increased state and local taxes; and

unless entitled to relief under statutory provisions, the Company could not elect to be taxed as a REIT for four taxable years following the year during which the Company was disqualified.

In addition, if the Company failed to qualify as a REIT, it would not be required to make distributions to its stockholders. As a result of all these factors, the Company’s failure to qualify as a REIT also could impair our ability to expand our business and raise capital, and could adversely affect the value and quoted trading price of the Company’s common stock.

Qualification as a REIT involves the application of highly technical and complex Code provisions for which there are only limited judicial and administrative interpretations. The complexity of these provisions and of the applicable Treasury regulations that have been promulgated under the Code is greater in the case of a REIT that, like the Company, holds its assets through a partnership. The determination of various factual matters and circumstances not entirely within our control may affect the Company’s ability to continue to qualify as a REIT. For example, to qualify as a REIT, at least 95% of the Company’s gross income in any year must be derived from qualifying sources. Also, the Company must make distributions to its stockholders aggregating annually at least 90% of the Company’s net taxable

income (subject to certain adjustments and excluding any net capital gains). In addition, legislation, new regulations, administrative interpretations or court decisions may adversely affect the Company’s security holders or the Company’s ability to qualify as a REIT for federal income tax purposes or the desirability of an investment in a REIT relative to other investments. Although management believes that we are organized and operate in a manner to permit the Company to continue to qualify as a REIT, we cannot provide assurances that the Company has qualified or will continue to qualify as a REIT for tax purposes. We have not requested and do not plan to request a ruling from the Internal Revenue Service (“IRS”) regarding the Company’s qualification as a REIT.

To maintain the Company’s REIT status, we may be forced to borrow funds during unfavorable market conditions. To qualify as a REIT, the Company generally must distribute to its stockholders at least 90% of the Company’s net taxable income each year (subject to certain adjustments and excluding any net capital gains), and the Company will be subject to regular corporate income taxes to the extent that it distributes less than 100% of its net capital gains or distributes at least 90%, but less than 100%, of its net taxable income each year. In addition, the Company will be subject to a 4% nondeductible excise tax on the amount, if any, by which distributions it pays in any calendar year are less than the sum of 85% of its ordinary income, 95% of its net capital gains, and 100% of its undistributed income from prior years. To maintain the Company’s REIT status and avoid the payment of federal income and excise taxes, the Operating Partnership may need to borrow funds and distribute or loan the proceeds to the Company so it can meet the REIT distribution requirements even if the then-prevailing market conditions are not favorable for these borrowings. These borrowing needs could result from differences in timing between the actual receipt of income and inclusion of income for federal income tax purposes, or the effect of nondeductible capital expenditures, the creation of reserves or required debt or amortization payments.

If a transaction intended to qualify as a Section 1031 Exchange is later determined to be taxable or if we are unable to identify and complete the acquisition of a suitable replacement property to effect a Section 1031 Exchange, we may face adverse consequences, and if the laws applicable to such transactions are amended or repealed, we may not be able to dispose of properties on a tax deferred basis. When possible, we dispose of properties in transactions that are intended to qualify as Section 1031 Exchanges. It is possible that the qualification of a transaction as a Section 1031 Exchange could be successfully challenged and determined to be currently taxable or that we may be unable to identify and complete the acquisition of a suitable replacement property to effect a Section 1031 Exchange. In such case, our taxable income and earnings and profits would increase. This could increase the dividend income to our stockholders by reducing any return of capital they received. In some circumstances, we may be required to pay additional dividends or, in lieu of that, corporate income tax, possibly including interest and penalties. As a result, we may be required to borrow funds in order to pay additional dividends or taxes and the payment of such taxes could cause us to have less cash available to distribute to our stockholders. In addition, if a Section 1031 Exchange were later to be determined to be taxable, we may be required to amend our tax returns for the applicable year in question, including any information

reports we sent our stockholders. Moreover, itunder the Tax Cuts and Jobs Act (the “2017 Tax Legislation”), for exchanges completed after December 31, 2017, unless the property was disposed of or received in the exchange on or before such date, Section 1031 of the Code permits exchanges of real property only.It is possible that additional legislation could be enacted that could further modify or repeal the laws with respect to Section 1031 Exchanges, which could make it more difficult or not possible for us to dispose of properties on a tax deferred basis.

Dividends payable by REITs, including us, generally do not qualify for the reduced tax rates available for some dividends. “Qualified dividends” payable to U.S. stockholders that are individuals, trusts and estates generally are subject to tax at preferential rates. Subject to limited exceptions, dividends payable by REITs are not eligible for these reduced rates and are taxable at ordinary income tax rates. The more favorable rates applicable to regular corporate qualified dividends could cause investors who are individuals, trusts and estates to perceive investments in REITs to be relatively less attractive than investments in the stocks of non-REIT corporations that pay dividends, which could adversely affect the value of the shares of REITs, including the shares of our capital stock. However, non-corporate stockholders, including individuals, generally may deduct up to 20% of dividends from a REIT, other than capital gain dividends and dividends treated as qualified dividend income, for taxable years beginning after December 31, 2017 and before January 1, 2026.

The tax imposed on REITs engaging in “prohibited transactions” may limit our ability to engage in transactions which would be treated as sales for federal income tax purposes. A REIT’s net income from prohibited transactions is subject to a 100% penalty tax. In general, prohibited transactions are sales or other dispositions of property, other than foreclosure property, held primarily for sale to customers in the ordinary course of business. Although we do not intend to hold any properties that would be characterized as held for sale to customers in the ordinary course of our business, unless a sale or disposition qualifies under certain statutory safe harbors, such characterization is a factual determination and no guarantee can be given that the IRS would agree with our characterization of our properties or that we will always be able to make use of the available safe harbors.

Complying with REIT requirements may cause us to forego otherwise attractive opportunities or liquidate otherwise attractive investments. To qualify as a REIT for federal income tax purposes, we must continually satisfy tests concerning, among other things, the sources of our income, the nature and diversification of our assets, the amounts we distribute to our stockholders and the ownership of our capital stock. If we fail to comply with one or more of the asset tests at the end of any calendar quarter, we must correct the failure within 30 days after the end of the calendar quarter or qualify for certain statutory relief provisions to avoid losing our REIT qualification and suffering adverse tax consequences. In order to meet these tests, we may be required to forego investments we might otherwise make or to liquidate otherwise attractive investments. Thus, compliance with the REIT requirements may hinder our performance and reduce amounts available for distribution to our stockholders.

Legislative or regulatory action could adversely affect our stockholders or us. In recent years, numerous legislative, judicial and administrative changes have been made to the federal income tax laws applicable to investments in REITs and similar entities. Additional changes to tax laws are likely to continue to occur in the future, and any such changes may adversely impact our ability to qualify as a REIT, our tax treatment as a REIT, our ability to comply with contractual obligations or the tax treatment of our stockholders and limited partners. Also, the law relating to the tax treatment of other entities, or an investment in other entities, could change, making an investment in such other entities more attractive relative to an investment in a REIT.

The 2017 Tax Legislation has significantly changed the U.S. federal income taxation of U.S. businesses and their owners, including REITs and their stockholders. Changes made by the 2017 Tax Legislation that could affect us and our stockholders include:

temporarily reducing individual U.S. federal income tax rates on ordinary income; the highest individual U.S. federal income tax rate has been reduced from 39.6% to 37% for taxable years beginning after December 31, 2017 and before January 1, 2026;

permanently eliminating the progressive corporate tax rate structure, which previously imposed a maximum corporate tax rate of 35%, and replacing it with a flat corporate tax rate of 21%;

permitting a deduction for certain pass-through business income, including dividends received by our stockholders from us that are not designated by us as capital gain dividends or qualified dividend income, which will allow individuals, trusts, and estates to deduct up to 20% of such amounts for taxable years beginning after December 31, 2017 and before January 1, 2026;

reducing the highest rate of withholding with respect to our distributions to non-U.S. stockholders that are treated as attributable to gains from the sale or exchange of U.S. real property interests from 35% to 21%;

limiting our deduction for net operating losses arising in taxable years beginning after December 31, 2017 to 80% of REIT taxable income determined without regard to the dividends paid deduction;

generally limiting the deduction for net business interest expense in excess of 30% of a business’ “adjusted taxable income,” except for taxpayers (including most equity REITs) that engage in certain real estate businesses and elect out of this rule (provided that such electing taxpayers must use an alternative depreciation system with longer depreciation periods);

eliminating the corporate alternative minimum tax, for taxable years after December 31, 2017;

requiring us to take into account certain income no later than when we take it into account on applicable financial statements, even if the financial statements take such income into account before it accrues under otherwise applicable Code rules; and

repealing the performance-based compensation exception to the $1 million deduction limit on executive compensation and expanding the scope of employees to whom the limit applies.

Many of these changes that are applicable to us are effective with our 2018 taxable year, without any transition periods or grandfathering for existing transactions. The legislation is unclear in many respects and could be subject to potential amendments and technical corrections, as well as interpretations and implementing regulations by the U.S. Treasury Department and IRS, any of which could lessen or increase the impact of the legislation. In addition, it is unclear how these U.S. federal income tax changes will affect state and local taxation, which often uses federal taxable income as a starting point for computing state and local tax liabilities. While some of the changes made by the tax legislation may adversely affect us in one or more reporting periods and prospectively, other changes may be beneficial on a going forward basis. We continue to work with our tax advisors and auditors to determine the full impact that the recent tax legislation as a whole will have on us.


ITEM 1B.	UNRESOLVED STAFF COMMENTS

None.

ITEM 2. PROPERTIES

General

Our stabilized portfolio of operating properties was comprised of the following ~~office~~ properties at December 31, ~~2015~~:2018:

Number of
Buildings

Rentable
Square Feet

Number of
Tenants

Percentage
Occupied
Stabilized Office Properties 101
13,032,406
517
94.8 %



	Number of Buildings	Rentable Square Feet	Number of Tenants	Percentage Occupied		Percentage Leased
Stabilized Office Properties	94	13,232,580	482	94.4	%	96.6	%



	Number of Buildings	Number of Units	2018 Average Occupancy
Stabilized Residential Property	1	200	79.7	%

portfolio. We did not have any redevelopment properties or properties held for sale at December 31, 2018.

Number of
Properties/Projects

Estimated Rentable
Square Feet⁽¹⁾
Properties held for sale ⁽²⁾
4 465,812
Development projects in “lease-up” 1 73,000
Development projects under construction 5 1,910,000



	Number of Properties/Projects	Estimated Rentable Square Feet ⁽¹⁾ (unaudited)
In-process development projects - tenant improvement⁽²⁾	2	1,150,000
In-process development projects - under construction ⁽³⁾	3	1,290,000

~~_______________~~________________________


(1)	Estimated rentable square feet upon completion. See “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations —Factors That May Influence Future Results of Operations —Completed, In-Process and Future Development Pipeline” for more information.


(2)	~~See Note 4 “Dispositions~~Includes 88,000 square feet of Production, Distribution, and ~~Real Estate Assets Held for Sale”~~Repair (“PDR”) space.


(3)	In addition to ~~our consolidated financial statements included in this report for additional information.~~the estimated office and PDR rentable square feet noted above, development projects under construction also include 96,000 square feet of retail space and 801 residential units.

Our stabilized portfolio also excludes our ~~near-term and~~ future development pipeline, which as of December 31, ~~2015,~~2018, was comprised of ~~ten~~five potential development sites, representing approximately 9973 gross acres of undeveloped ~~land on which we believe we have the potential to develop over 5.0 millionsquare feet of office space, depending upon economic conditions.~~land.

As of December 31, ~~2015~~,2018, all of our properties and development projects were owned and all of our business was conducted in the state of California with the exception of ~~twelve~~eight office properties and one ~~future~~ development project under construction located in the state of Washington. All of our properties and development projects are 100% owned, excluding ~~two~~four office properties owned by ~~Redwood City Partners, LLC,~~three consolidated property partnerships and one office property held in a consolidated subsidiary, and an undeveloped land parcel held at a qualified intermediary for potential future Section 1031 Exchanges to defer taxable gains on dispositions for federal and state income tax purposes,Variable Interest Entity (“VIE”) which ~~have been~~we consolidated for financial reporting purposes ~~(see Note 2 “Basis of Presentation and Significant Accounting Policies” for additional information).~~that was established to facilitate a Section 1031 Exchange that closed in January 2019.

We own our interests in all of our ~~properties~~real estate assets through the Operating Partnership and the Finance Partnership. All our properties are held in fee, except for the ~~eleven~~thirteen office buildings that are held subject to four long-term ground leases for the land (see Note 1618 “Commitments and Contingencies” to our consolidated financial statements included in this report for additional information regarding our ground lease obligations).

In general, the office properties are leased to tenants on a full service gross, modified gross or triple net basis. Under a full service gross lease, we are obligated to pay the tenant’s proportionate share of real estate taxes, insurance

and operating expenses up to the amount incurred during the tenant’s first year of occupancy (“Base Year”) or a negotiated amount approximating the tenant’s pro-rata share of real estate taxes, insurance and operating expenses (“Expense Stop”). The tenant pays its pro-rata share of increases in expenses above the Base Year or Expense Stop. A modified gross lease is similar to a full service gross lease, except tenants are obligated to pay their proportionate share of certain operating expenses, usually electricity, directly to the service provider. In addition, some office properties, primarily in the greater Seattle region and certain properties in certain submarkets in San Francisco, are leased to tenants on a triple net basis, pursuant to which the tenants pay their proportionate share of real estate taxes, operating costs and utility costs.

We believe that all of our properties are well maintained and do not require significant capital improvements. As of December 31, ~~2015~~2018, we managed all of our office properties through internal property managers.

Office Properties

The following table sets forth certain information relating to each of the stabilized office properties owned as of December 31, ~~2015.~~2018.


Property Location		No. of Buildings	Year Built/ Renovated	Rentable Square Feet	Percentage Occupied at 12/31/2015 ⁽¹⁾		Annualized Base Rent (in $000’s) ⁽²⁾		Annualized Rent Per Square Foot ⁽²⁾			No. of Buildings	Year Built/ Renovated	Rentable Square Feet	Percentage Occupied at 12/31/2018 ⁽¹⁾		Annualized Base Rent (in $000’s) ⁽²⁾		Annualized Rent Per Square Foot ⁽²⁾
Los Angeles and Ventura Counties
23925 Park Sorrento, Calabasas, California	⁽³⁾	1	2001	11,789	100.0	%	$	421	$	35.72
23975 Park Sorrento, Calabasas, California	⁽³⁾	1	2002	104,797	95.7	%	3,388		34.69
24025 Park Sorrento, Calabasas, California	⁽³⁾	1	2000	108,671	75.0	%	2,807		34.46
Greater Los Angeles											Greater Los Angeles
2829 Townsgate Road, Thousand Oaks, California	⁽³⁾	1	1990	81,067	100.0	%	2,352		29.01		⁽³⁾	1	1990	84,098	80.5	%	$	1,984	$	29.31
2240 E. Imperial Highway, El Segundo, California	⁽⁴⁾	1	1983/ 2008	122,870	100.0	%	3,950		32.15		⁽⁴⁾	1	1983/ 2008	122,870	100.0	%	3,950		32.15
2250 E. Imperial Highway, El Segundo, California	⁽⁸⁾	1	1983	298,728	100.0	%	9,448		31.76		⁽⁷⁾	1	1983	298,728	100.0	%	10,206		34.31
2260 E. Imperial Highway, El Segundo, California	⁽⁴⁾	1	1983/ 2012	298,728	100.0	%	10,510		35.18		⁽⁴⁾	1	1983/ 2012	298,728	100.0	%	10,510		35.18
909 Sepulveda Blvd., El Segundo, California	⁽³⁾	1	1972/ 2005	241,607	97.9	%	6,664		28.52
999 Sepulveda Blvd., El Segundo, California	⁽³⁾	1	1962/ 2003	128,592	95.7	%	3,054		25.58
909 N. Pacific Coast Highway, El Segundo, California											⁽⁸⁾	1	1972/ 2005	244,136	99.5	%	7,658		31.90
999 N. Pacific Coast Highway, El Segundo, California											⁽⁹⁾	1	1962/ 2003	128,588	96.9	%	3,844		32.19
6115 W. Sunset Blvd., Los Angeles, California	⁽⁵⁾	1	1938/ 2015	26,075	98.3	%	1,341		52.35		⁽¹⁰⁾	1	1938/ 2015	26,105	100.0	%	1,615		61.88
6121 W. Sunset Blvd., Los Angeles, California	⁽⁵⁾	1	1938/ 2015	82,442	100.0	%	4,133		50.13		⁽⁵⁾	1	1938/ 2015	91,173	100.0	%	4,612		50.59
1525 N. Gower St., Los Angeles, California											⁽⁴⁾	1	2016	9,610	100.0	%	652		67.88
1575 N. Gower St., Los Angeles, California											⁽¹¹⁾	1	2016	251,245	100.0	%	16,169		64.36
1500 N. El Centro Ave., Los Angeles, California											⁽³⁾	1	2016	104,504	100.0	%	7,104		67.98
6255 Sunset Blvd, Los Angeles, California	⁽⁹⁾	1	1971/ 1999	324,617	97.5	%	11,531		37.70		⁽¹²⁾	1	1971/ 1999	323,920	97.6	%	13,750		44.82
3750 Kilroy Airport Way, Long Beach, California	⁽³⁾	1	1989	10,457	86.1	%	109		19.95		⁽¹³⁾	1	1989	10,457	100.0	%	158		47.28
3760 Kilroy Airport Way, Long Beach, California	⁽³⁾	1	1989	165,278	96.0	%	4,776		30.09		⁽³⁾	1	1989	165,278	94.0	%	4,827		31.57
3780 Kilroy Airport Way, Long Beach, California	⁽³⁾	1	1989	219,745	89.2	%	5,213		27.16		⁽³⁾	1	1989	219,777	78.9	%	4,909		29.67
3800 Kilroy Airport Way, Long Beach, California	⁽³⁾	1	2000	192,476	88.6	%	5,411		31.71		⁽³⁾	1	2000	192,476	96.1	%	5,917		31.99
3840 Kilroy Airport Way, Long Beach, California	⁽³⁾	1	1999	136,026	100.0	%	4,915		36.13		⁽³⁾	1	1999	136,026	100.0	%	4,882		35.89
3880 Kilroy Airport Way, Long Beach, California	⁽¹⁰⁾	1	1987/ 2013	96,035	100.0	%	2,839		29.56		⁽¹⁴⁾	1	1987/ 2013	96,035	100.0	%	2,839		29.56
3900 Kilroy Airport Way, Long Beach, California											⁽³⁾	1	1987	129,893	91.4	%	3,092		26.08
8560 West Sunset Blvd, West Hollywood, California											⁽³⁾	1	1963/ 2007	71,875	100.0	%	5,187		72.79


Property Location		No. of Buildings	Year Built/ Renovated	Rentable Square Feet	Percentage Occupied at 12/31/2015 ⁽¹⁾		Annualized Base Rent (in $000’s) ⁽²⁾		Annualized Rent Per Square Foot ⁽²⁾			No. of Buildings	Year Built/ Renovated	Rentable Square Feet	Percentage Occupied at 12/31/2018 ⁽¹⁾		Annualized Base Rent (in $000’s) ⁽²⁾		Annualized Rent Per Square Foot ⁽²⁾
3900 Kilroy Airport Way, Long Beach, California	⁽³⁾	1	1987	126,840	100.0	%	3,105		24.51
8570 West Sunset Blvd, West Hollywood, California											⁽¹⁵⁾	1	2002/ 2007	43,603	99.2	%	2,607		68.53
8580 West Sunset Blvd, West Hollywood, California											⁽⁵⁾	1	2002/ 2007	7,126	100.0	%	—		—
8590 West Sunset Blvd, West Hollywood, California											⁽⁵⁾	1	2002/ 2007	56,095	87.6	%	1,437		30.95
12100 W. Olympic Blvd., Los Angeles, California	⁽³⁾	1	2003	150,167	94.2	%	6,098		43.10		⁽³⁾	1	2003	152,048	100.0	%	8,502		55.92
12200 W. Olympic Blvd., Los Angeles, California	⁽³⁾	1	2000	150,117	97.6	%	4,573		40.81		⁽³⁾	1	2000	150,832	91.9	%	7,026		67.46
12233 W. Olympic Blvd., Los Angeles, California	⁽¹¹⁾	1	1980/ 2011	151,029	85.9	%	4,452		48.48		⁽¹⁶⁾	1	1980/ 2011	151,029	94.3	%	5,357		56.73
12312 W. Olympic Blvd., Los Angeles, California	⁽⁶⁾	1	1950/ 1997	76,644	100.0	%	4,096		53.44		⁽⁶⁾	1	1950/ 1997	76,644	100.0	%	4,096		53.44
1633 26th Street, Santa Monica, California	⁽⁴⁾	1	1972/ 1997	44,915	100.0	%	1,270		28.28		⁽¹⁷⁾	1	1972/ 1997	43,857	—	%	—		—
2100/2110 Colorado Avenue, Santa Monica, California	⁽³⁾	3	1992/ 2009	102,864	100.0	%	4,357		42.36		⁽³⁾	3	1992/ 2009	102,864	100.0	%	4,357		42.36
3130 Wilshire Blvd., Santa Monica, California	⁽³⁾	1	1969/ 1998	88,340	88.7	%	2,580		33.93		⁽³⁾	1	1969/ 1998	90,074	96.0	%	3,682		42.58
501 Santa Monica Blvd., Santa Monica, California	⁽³⁾	1	1974	73,115	59.1	%	2,175		50.98		⁽¹⁸⁾	1	1974	76,803	82.7	%	4,242		66.80
Subtotal/Weighted Average – Los Angeles and Ventura Counties		29		3,614,031	95.1	%	$	115,568	$	34.68		33		3,956,497	95.1	%	$	155,171	$	42.68
Orange County
2211 Michelson, Irvine, California	⁽³⁾	1	2007	271,556	94.0	%	$	9,518	$	37.69	⁽¹⁹⁾	1	2007	271,556	89.6	%	$	8,993	$	37.67
Subtotal/Weighted Average – Orange County		1		271,556	94.0	%	$	9,518	$	37.69		1		271,556	89.6	%	$	8,993	$	37.67
San Diego County
12225 El Camino Real, Del Mar, California	⁽⁴⁾	1	1998	58,401	100.0	%	$	1,965	$	33.64	⁽⁴⁾	1	1998	58,401	100.0	%	$	2,041	$	34.95
12235 El Camino Real, Del Mar, California	⁽⁴⁾	1	1998	54,673	96.4	%	2,372		45.01		⁽⁴⁾	1	1998	53,751	88.9	%	2,225		46.57
12340 El Camino Real, Del Mar, California	⁽⁴⁾	1	2002	87,774	91.4	%	3,506		43.68		⁽²⁰⁾	1	2002	89,272	45.8	%	1,780		43.52
12348 High Bluff Drive, Del Mar, California											⁽²¹⁾	1	1999	38,806	100.0	%	1,314		33.86
12390 El Camino Real, Del Mar, California	⁽⁴⁾	1	2000	72,332	100.0	%	3,069		42.44		⁽⁴⁾	1	2000	70,140	44.9	%	1,296		41.15
12348 High Bluff Drive, Del Mar, California	⁽¹²⁾	1	1999	38,806	100.0	%	1,292		33.29
12400 High Bluff Drive, Del Mar, California	⁽⁴⁾	1	2004	209,220	100.0	%	10,671		51.00		⁽⁴⁾	1	2004	209,220	100.0	%	10,671		51.00
12770 El Camino Real, Del Mar, California											⁽³⁾	1	2016	73,032	100.0	%	3,392		53.16
12780 El Camino Real, Del Mar, California											⁽⁶⁾	1	2013	140,591	100.0	%	6,883		48.96
12790 El Camino Real, Del Mar, California											⁽²²⁾	1	2013	78,836	100.0	%	3,263		41.39
3579 Valley Centre Drive, Del Mar, California	⁽⁴⁾	1	1999	50,677	100.0	%	2,025		39.96		⁽⁴⁾	1	1999	52,418	100.0	%	2,058		39.26
3611 Valley Centre Drive, Del Mar, California	⁽³⁾	1	2000	130,047	100.0	%	5,342		41.08		⁽²³⁾	1	2000	129,656	100.0	%	5,518		42.56
3661 Valley Centre Drive, Del Mar, California	⁽¹³⁾	1	2001	129,051	90.2	%	3,415		36.36		⁽²⁴⁾	1	2001	128,364	100.0	%	6,025		49.60
3721 Valley Centre Drive, Del Mar, California	⁽⁴⁾	1	2003	114,780	79.9	%	4,155		45.28		⁽²⁵⁾	1	2003	115,193	100.0	%	5,310		46.09
3811 Valley Centre Drive, Del Mar, California	⁽⁶⁾	1	2000	112,067	100.0	%	5,199		46.39		⁽⁶⁾	1	2000	112,067	100.0	%	5,199		46.39
12780 El Camino Real, Del Mar, California	⁽⁶⁾	1	2013	140,591	100.0	%	6,366		45.28
12790 El Camino Real, Del Mar, California	⁽⁴⁾	1	2013	78,349	97.5	%	3,182		41.63
13280 Evening Creek Drive South, I-15 Corridor, California	⁽³⁾	1	2008	41,196	100.0	%	1,058		25.69		⁽²⁶⁾	1	2008	41,196	100.0	%	1,132		27.47
13290 Evening Creek Drive South, I-15 Corridor, California	⁽⁴⁾	1	2008	61,180	100.0	%	1,453		23.75		⁽⁴⁾	1	2008	61,180	100.0	%	1,453		23.75
13480 Evening Creek Drive North, I-15 Corridor, California	⁽⁴⁾	1	2008	149,817	100.0	%	7,779		51.92
13500 Evening Creek Drive North, I-15 Corridor, California	⁽⁴⁾	1	2004	147,533	100.0	%	6,286		42.61


Property Location		No. of Buildings	Year Built/ Renovated	Rentable Square Feet	Percentage Occupied at 12/31/2015 ⁽¹⁾		Annualized Base Rent (in $000’s) ⁽²⁾		Annualized Rent Per Square Foot ⁽²⁾			No. of Buildings	Year Built/ Renovated	Rentable Square Feet	Percentage Occupied at 12/31/2018 ⁽¹⁾		Annualized Base Rent (in $000’s) ⁽²⁾		Annualized Rent Per Square Foot ⁽²⁾
13480 Evening Creek Drive North, I-15 Corridor, California											⁽³⁾	1	2008	154,157	94.4	%	5,037		34.61
13500 Evening Creek Drive North, I-15 Corridor, California											⁽³⁾	1	2004	137,658	24.2	%	1,220		36.59
13520 Evening Creek Drive North, I-15 Corridor, California	⁽⁴⁾	1	2004	141,128	82.0	%	4,167		36.93		⁽²⁷⁾	1	2004	146,701	94.2	%	4,667		35.82
2355 Northside Drive, Mission Valley, California	⁽³⁾	1	1990	53,610	100.0	%	1,410		27.07
2365 Northside Drive, Mission Valley, California	⁽³⁾	1	1990	96,437	83.0	%	2,552		31.88
2375 Northside Drive, Mission Valley, California	⁽¹⁴⁾	1	1990	51,516	89.4	%	1,350		29.32
2385 Northside Drive, Mission Valley, California	⁽³⁾	1	2008	89,023	95.7	%	2,690		31.58
2305 Historic Decatur Road, Point Loma, California	⁽¹⁵⁾	1	2009	103,900	67.4	%	2,400		34.25		⁽²⁸⁾	1	2009	107,456	100.0	%	3,694		34.38
4939 Directors Place, Sorrento Mesa, California	⁽⁶⁾	1	2002	60,662	100.0	%	2,276		37.52
4955 Directors Place, Sorrento Mesa, California	⁽¹⁶⁾	1	2008	76,246	—	%	—		—
10390 Pacific Center Court, Sorrento Mesa, California	⁽⁶⁾	1	2002	68,400	100.0	%	2,771		40.52
10394 Pacific Center Court, Sorrento Mesa, California	⁽⁶⁾	1	1995	59,630	100.0	%	1,182		19.83
10398 Pacific Center Court, Sorrento Mesa, California	⁽⁶⁾	1	1995	43,645	100.0	%	698		15.99
10421 Pacific Center Court, Sorrento Mesa, California	⁽⁶⁾	1	1995/ 2002	75,899	100.0	%	1,186		15.62
10445 Pacific Center Court, Sorrento Mesa, California	⁽⁶⁾	1	1995	48,709	100.0	%	936		19.22
10455 Pacific Center Court, Sorrento Mesa, California	⁽⁷⁾	1	1995	90,000	100.0	%	1,112		12.35
5717 Pacific Center Blvd., Sorrento Mesa, California	⁽¹⁶⁾	1	2001/ 2005	67,995	—	%	—		—
4690 Executive Drive, UTC, California	⁽³⁾	1	1999	47,846	58.2	%	693		24.87		⁽³⁾	1	1999	47,846	91.4	%	1,424		32.58
Subtotal/Weighted Average – San Diego County		33		2,851,140	89.6	%	$	94,558	$	37.40		21		2,045,941	89.3	%	$	75,602	$	41.92
San Francisco
San Francisco Bay Area
4100 Bohannon Drive, Menlo Park, California	⁽⁵⁾	1	1985	47,379	100.0	%	$	1,719	$	36.27	⁽⁵⁾	1	1985	47,379	100.0	%	$	1,719	$	36.27
4200 Bohannon Drive, Menlo Park, California	⁽⁵⁾	1	1987	45,451	100.0	%	1,834		40.34		⁽⁵⁾	1	1987	45,451	100.0	%	2,171		47.77
4300 Bohannon Drive, Menlo Park, California	⁽⁵⁾	1	1988	63,079	100.0	%	2,485		39.39		⁽⁵⁾	1	1988	63,079	100.0	%	3,203		50.78
4400 Bohannon Drive, Menlo Park, California	⁽⁵⁾	1	1988	48,146	100.0	%	1,521		33.67		⁽⁵⁾	1	1988	48,146	100.0	%	1,567		37.38
4500 Bohannon Drive, Menlo Park, California	⁽⁵⁾	1	1990	63,078	100.0	%	2,041		32.35		⁽⁵⁾	1	1990	63,078	100.0	%	2,041		32.35
4600 Bohannon Drive, Menlo Park, California	⁽¹⁷⁾	1	1990	48,147	100.0	%	1,172		40.92		⁽⁵⁾	1	1990	48,147	93.0	%	2,603		58.16
4700 Bohannon Drive, Menlo Park, California	⁽⁵⁾	1	1989	63,078	100.0	%	2,275		36.07		⁽⁵⁾	1	1989	63,078	100.0	%	2,275		36.07
1290-1300 Terra Bella Avenue, Mountain View, California											⁽⁵⁾	1	1961	114,175	100.0	%	5,152		45.12
331 Fairchild Drive, Mountain View, California	⁽⁶⁾	1	2013	87,147	100.0	%	4,185		48.03		⁽⁶⁾	1	2013	87,147	100.0	%	4,185		48.03
680 E. Middlefield Road, Mountain View, California	⁽⁶⁾	1	2014	170,090	100.0	%	7,729		45.44		⁽⁶⁾	1	2014	170,090	100.0	%	7,729		45.44
690 E. Middlefield Road, Mountain View, California	⁽⁶⁾	1	2014	170,823	100.0	%	7,763		45.44		⁽⁶⁾	1	2014	170,823	100.0	%	7,763		45.44
1701 Page Mill Road, Palo Alto, California											⁽⁵⁾	1	2015	128,688	100.0	%	8,461		65.75
3150 Porter Drive, Palo Alto, California											⁽⁶⁾	1	1998	36,897	100.0	%	2,051		55.59
900 Jefferson Avenue, Redwood City, California	⁽⁵⁾	1	2015	226,197	100.0	%	13,670		60.43		⁽⁵⁾	1	2015	228,505	100.0	%	13,670		59.82
900 Middlefield Road, Redwood City, California	⁽⁵⁾	1	2015	113,790	94.9	%	5,808		53.77		⁽⁵⁾	1	2015	118,764	97.3	%	6,835		59.38
100 First Street, San Francisco, California											⁽²⁹⁾	1	1988	467,095	97.5	%	30,124		69.11
201 Third Street, San Francisco, California											⁽³⁰⁾	1	1983	346,538	98.8	%	23,142		68.53
250 Brannan Street, San Francisco, California											⁽⁴⁾	1	1907/ 2001	100,850	100.0	%	6,912		68.53
301 Brannan Street, San Francisco, California											⁽⁴⁾	1	1909/ 1989	82,834	100.0	%	4,733		57.14
303 Second Street, San Francisco, California											⁽³¹⁾	1	1988	740,047	91.3	%	40,942		60.82
333 Brannan Street, San Francisco, California											⁽³²⁾	1	2016	185,602	100.0	%	9,423		50.77
350 Mission Street, San Francisco, California											⁽⁵⁾	1	2016	455,340	99.7	%	24,027		53.19
360 Third Street, San Francisco, California											⁽³³⁾	1	2013	429,796	84.5	%	19,592		54.11
345 Brannan Street, San Francisco, California											⁽⁴⁾	1	2015	110,030	99.7	%	8,273		75.40
345 Oyster Point Boulevard, South San Francisco, California											⁽⁵⁾	1	2001	40,410	100.0	%	2,192		54.24


Property Location		No. of Buildings	Year Built/ Renovated	Rentable Square Feet	Percentage Occupied at 12/31/2015 ⁽¹⁾		Annualized Base Rent (in $000’s) ⁽²⁾		Annualized Rent Per Square Foot ⁽²⁾			No. of Buildings	Year Built/ Renovated	Rentable Square Feet	Percentage Occupied at 12/31/2018 ⁽¹⁾		Annualized Base Rent (in $000’s) ⁽²⁾		Annualized Rent Per Square Foot ⁽²⁾
303 Second Street, San Francisco, California	⁽¹⁸⁾	1	1988	740,047	98.5	%	38,147		52.57
100 First Street, San Francisco, California	⁽¹⁹⁾	1	1988	467,095	90.8	%	20,500		51.05
250 Brannan Street, San Francisco, California	⁽⁴⁾	1	1907/ 2001	95,008	100.0	%	5,413		56.98
201 Third Street, San Francisco, California	⁽³⁾	1	1983	346,538	99.7	%	17,931		52.69
301 Brannan Street, San Francisco, California	⁽⁴⁾	1	1909/ 1989	74,430	100.0	%	3,957		53.16
360 Third Street, San Francisco, California	⁽²⁰⁾	1	2013	429,796	95.2	%	19,877		48.69
1310 Chesapeake Terrace, Sunnyvale, California	⁽⁵⁾	1	1989	76,244	100.0	%	2,369		31.08
1315 Chesapeake Terrace, Sunnyvale, California	⁽⁵⁾	1	1989	55,635	100.0	%	1,424		25.60
1320-1324 Chesapeake Terrace, Sunnyvale, California	⁽⁵⁾	1	1989	79,720	100.0	%	2,421		30.36
1325-1327 Chesapeake Terrace, Sunnyvale, California	⁽⁵⁾	1	1989	55,383	100.0	%	1,234		22.29
347 Oyster Point Boulevard, South San Francisco, California											⁽⁵⁾	1	1998	39,780	100.0	%	2,158		54.24
349 Oyster Point Boulevard, South San Francisco, California											⁽⁵⁾	1	1999	65,340	52.2	%	1,961		57.51
505 N. Mathilda Avenue, Sunnyvale, California	⁽⁵⁾	1	2014	212,322	100.0	%	9,449		44.50		⁽⁵⁾	1	2014	212,322	100.0	%	9,449		44.50
555 N. Mathilda Avenue, Sunnyvale, California	⁽⁵⁾	1	2014	212,322	100.0	%	9,449		44.50		⁽⁵⁾	1	2014	212,322	100.0	%	9,449		44.50
599 N. Mathilda Avenue, Sunnyvale, California											⁽⁵⁾	1	2000	76,031	100.0	%	3,610		47.48
605 N. Mathilda Avenue, Sunnyvale, California	⁽⁵⁾	1	2014	162,785	100.0	%	7,244		44.50		⁽⁵⁾	1	2014	162,785	100.0	%	7,244		44.50
599 N. Mathilda Avenue, Sunnyvale, California	⁽⁵⁾	1	2000	75,810	100.0	%	2,202		29.04
Subtotal/Weighted Average – San Francisco		26		4,229,540	98.1	%	$	193,819	$	47.35		31		5,160,569	96.4	%	$	274,656	$	55.63
Greater Seattle
601 108th Avenue NE, Bellevue, Washington	⁽⁵⁾	1	2000	488,470	98.8	%	$	16,754	$	35.07	⁽³⁴⁾	1	2000	488,470	89.7	%	$	15,887	$	36.67
10900 NE 4th Street, Bellevue, Washington	⁽³⁾	1	1983	416,755	94.3	%	14,135		36.11		⁽³⁵⁾	1	1983	428,557	89.1	%	13,491		35.46
10210 NE Points Drive, Kirkland, Washington	⁽⁵⁾	1	1988	84,641	100.0	%	2,081		24.59
10220 NE Points Drive, Kirkland, Washington	⁽⁵⁾	1	1987	49,851	100.0	%	1,290		26.11
10230 NE Points Drive, Kirkland, Washington	⁽⁵⁾	1	1990	98,982	82.2	%	2,283		28.57
3933 Lake Washington Blvd NE, Kirkland, Washington	⁽⁵⁾	1	1993	46,450	65.5	%	836		27.49
837 N. 34th Street, Lake Union, Washington	⁽⁵⁾	1	2008	111,580	100.0	%	3,257		29.19		⁽⁵⁾	1	2008	111,580	83.0	%	3,284		35.46
701 N. 34th Street, Lake Union, Washington	⁽⁵⁾	1	1998	138,995	72.4	%	3,008		29.90		⁽³⁶⁾	1	1998	138,994	100.0	%	4,098		29.49
801 N. 34th Street, Lake Union, Washington	⁽⁶⁾	1	1998	169,412	100.0	%	4,423		26.11		⁽⁶⁾	1	1998	169,412	100.0	%	5,789		34.17
320 Westlake Terry Avenue North, Lake Union, Washington	⁽⁵⁾	1	2007	184,643	100.0	%	6,314		34.20
320 Westlake Avenue North, Lake Union, Washington											⁽⁵⁾	1	2007	184,644	100.0	%	6,822		36.95
321 Terry Avenue North, Lake Union, Washington	⁽⁵⁾	1	2013	135,755	100.0	%	4,465		32.89		⁽⁵⁾	1	2013	135,755	100.0	%	5,680		41.84
401 Terry Avenue North, Lake Union, Washington	⁽⁶⁾	1	2003	140,605	100.0	%	6,207		44.15		⁽⁶⁾	1	2003	140,605	100.0	%	7,008		49.84
Subtotal/Weighted Average – Greater Seattle		12		2,066,139	95.1	%	$	65,053	$	33.26		8		1,798,017	93.6	%	$	62,059	$	37.04
TOTAL/WEIGHTED AVERAGE		101		13,032,406	94.8	%	$	478,516	$	39.34		94		13,232,580	94.4	%	$	576,481	$	46.90

_________________


(1)	Based on all leases at the respective properties in effect as of December 31, ~~2015.~~2018. Includes month-to-month leases as of December 31, ~~2015.~~2018.

(2)

Annualized base rental revenue includes the impact of straight-lining rent escalations and the amortization of free rent periods and excludes the impact of the following: amortization of deferred revenue related tenant-funded tenant improvements, amortization of above/below market rents, amortization for lease incentives due under existing leases and expense reimbursement revenue. Excludes month-to-month leases and vacant space as of December 31, ~~2015.~~2018. Includes 100% of annualized base rent of consolidated property partnerships.


(3)	For these properties, the leases are written on a full service gross basis.


(4)	For these properties, the leases are written on a modified gross basis.


(5)	For these properties, the leases are written on a triple net basis.


(6)	For these properties, the leases are written on a modified net basis.


(7)	For this property, ~~the~~ leases of approximately 264,000 rentable square feet are written on a modified gross basis and approximately 35,000 rentable square feet are written on a full service gross basis.


(8)	For this property, leases of approximately ~~52,000~~238,000 rentable square feet are written on a full service gross basis and approximately ~~246,000 rentable square feet are written on a modified gross basis.~~


~~(9)~~	~~For this property, leases of approximately~~ 5,000 ~~rentable square feet are written on a modified gross basis, approximately 294,000 rentable square feet are written on a full service gross basis and approximately 17,000~~ rentable square feet are written on a triple net basis.


(9)	For this property, leases of approximately 115,000 rentable square feet are written on a full service gross basis and approximately 9,000 rentable square feet are written on a gross basis.


(10)	For this property, leases of approximately ~~46,000~~15,000 rentable square feet are written on a ~~modified~~triple net basis, approximately 6,000 rentable square feet are written on a gross basis, and approximately ~~50,000~~5,000 rentable square feet are written on a full service gross basis.


(11)	For this property, leases of approximately ~~25,000 rentable square feet are written on a full service gross basis, approximately 71,000~~236,000 rentable square feet are written on a modified gross basis and approximately ~~35,000~~15,000 rentable square feet are written on a full service gross basis.


(12)	For this property, leases of approximately ~~23,000~~295,000 rentable square feet are written on a full service gross basis, approximately 16,000 rentable square feet are written on a triple net basis and approximately ~~16,000~~5,000 rentable square feet are written on a modified gross basis.


(13)	For this property, leases of approximately ~~32,000~~7,000 rentable square feet are written on a full service gross basis and approximately ~~84,000~~4,000 rentable square feet are written on a modified gross basis.


(14)	For this property, leases of approximately ~~29,000~~50,000 rentable square feet are written on a full service gross basis and approximately 46,000 rentable square feet are written on a modified net basis.


(15)	For this property, leases of approximately 34,000 rentable square feet are written on a full service gross basis and approximately 8,000 rentable square feet are written on a triple net basis.


(16)	For this property, leases of approximately 108,000 rentable square feet are written on a modified gross basis, approximately 25,000 rentable square feet are written on a gross basis and approximately ~~17,000~~8,000 rentable square feet are written on a full service gross basis.


~~(15)~~(17)	As of the date of this report, 30,642 rentable square feet is leased.


(18)	For this property, leases of approximately ~~48,000~~60,000 rentable square feet are written on a full service gross basis, and approximately ~~22,000 rentable square feet are written on a gross basis.~~


~~(16)~~	~~These properties are vacant.~~


~~(17)~~	~~For this property, leases of approximately 19,000 rentable square feet are written on a gross basis and approximately 29,000~~4,000 rentable square feet are written on a triple net basis.


~~(18)~~	For this property, leases of approximately 491,000 rentable square feet are written on a full service gross basis, approximately 18,000 rentable square feet are written on a triple net basis, approximately 38,000 rentable square feet are written on a gross basis and approximately 182,000 rentable square feet are written on a modified gross basis.


(19)	For this property, leases of approximately ~~84,000 rentable square feet are written on a gross basis, approximately 344,000~~235,000 rentable square feet are written on a full service gross basis and approximately 8,000 rentable square feet isare written on a ~~triple net~~modified gross basis.


(20)	For this property, leases of approximately ~~370,000~~23,000 rentable square feet are written on a modified gross basis and approximately ~~59,000~~18,000 rentable square feet are written on a full service gross basis.


(21)	For this property, leases of approximately 36,000 rentable square feet are written on a full service gross basis and approximately 3,000 rentable square feet are written on a modified gross basis.


(22)	For this property, leases of approximately 69,000 rentable square feet are written on a modified gross basis and approximately 9,000 rentable square feet are written on a full service gross basis.


(23)	For this property, leases of approximately 125,000 rentable square feet are written on a modified gross basis and approximately 5,000 rentable square feet are written on a full service gross basis.


(24)	For this property, leases of approximately 80,000 rentable square feet are written on a modified gross basis and approximately 48,000 rentable square feet are written on a full service gross basis.


(25)	For this property, leases of approximately 92,000 rentable square feet are written on a modified gross basis and approximately 24,000 rentable square feet are written on a full service gross basis.


(26)	For this property, leases of approximately 37,000 rentable square feet are written on a full service gross basis and approximately 4,000 rentable square feet are written on a modified gross basis.


(27)	For this property, leases of approximately 101,000 rentable square feet are written on a modified gross basis and approximately 37,000 rentable square feet are written on a full service gross basis.


(28)	For this property, leases of approximately 81,000 rentable square feet are written on a full service gross basis, approximately 23,000 rentable square feet are written on a gross basis and approximately 4,000 rentable square feet are written on a modified gross basis.


(29)	For this property, leases of approximately 210,000 rentable square feet are written on a modified gross basis, approximately 164,000 rentable square feet are written on a full service gross basis, approximately 73,000 rentable square feet are written on a gross basis, and approximately 8,000 rentable square feet are written on a triple net basis.


(30)	For this property, leases of approximately 186,000 rentable square feet are written on a full service gross basis, approximately 134,000 rentable square feet are written on a modified gross basis, approximately 11,000 rentable square feet are written on a triple net basis and approximately 2,000 rentable square feet are written on a gross basis.


(31)	For this property, leases of approximately 357,000 rentable square feet are written on a modified gross basis, approximately 257,000 rentable square feet are written on a full service gross basis, approximately 38,000 rentable square feet are written on a gross basis and approximately 24,000 rentable square feet are written on a triple net basis.


(32)	For this property, leases of approximately 182,000 rentable square feet are written on a modified gross basis and approximately 4,000 rentable square feet are written on a triple net basis.


(33)	For this property, leases of approximately 360,000 rentable square feet are written on a modified gross basis and approximately 2,000 rentable square feet are written on a triple net basis.


(34)	For this property, leases of approximately 427,000 rentable square feet are written on a triple net basis, approximately 7,000 rentable square feet are written on a modified gross basis and approximately 5,000 rentable square feet is written on a full service gross basis.


(35)	For this property, leases of approximately 233,000 rentable square feet are written on a triple net basis and approximately 149,000 rentable square feet are written on a full service gross basis.


(36)	For this property, leases of approximately 108,000 rentable square feet are written on a triple net basis and approximately 29,000 rentable square feet are written on a full service gross basis.

~~Completed Development Projects and Development Projects in Lease-Up~~

~~During the year ended~~ ~~December 31, 2015, we completed and stabilized the following development projects, each comprised of two buildings, which were added to our stabilized portfolio of operating properties:~~

Construction Period
Completed Development Project Start Date Completion / Stabilization Date Rentable Square Feet Office % Occupied
Crossing/900
Redwood City, California ⁽¹⁾
4Q 2013 4Q 2015 339,987
100.0 %
Columbia Square - Phase 1
Hollywood, California ⁽²⁾
2Q 2013 3Q 2015 108,517
100.0 %
TOTAL: 448,504
100.0 %

~~_______________________~~


~~(1)~~	~~This project is owned by Redwood City Partners, LLC, a consolidated subsidiary.~~


~~(2)~~	~~Phase 1 is comprised of 94,969 rentable square feet of office space and 13,548 rentable square feet of retail space.~~

~~During the fourth quarter of December 31, 2015, we completed the building shell of the following development project, and this property was in “lease-up” at December 31, 2015:~~

~~Construction Period~~

~~Lease-up Projects~~

~~Start Date~~

~~Completion Date~~

~~Estimated Stabilization Date~~

~~Rentable Square Feet~~

~~% Occupied~~

~~The Heights at Del Mar~~

~~Del Mar, California~~

~~4Q 2014~~

~~4Q 2015~~

~~4Q 2016~~

~~73,000~~

—

In-Process ~~Near-Term~~Development Projects and Future Development Pipeline

The following table sets forth certain information relating to our in-process development pipeline as of December 31, ~~2015~~.

2018.

Estimated Construction Period Estimated Stabilization Date Estimated Rentable Square Feet Office % Leased
In-Process Development Projects Start Date Completion Date

UNDER CONSTRUCTION:
San Francisco, California
350 Mission Street 4Q 2012 3Q 2015 2Q 2016 450,000
100%
333 Brannan Street 4Q 2013 3Q 2015 2Q 2016 185,000
100%
The Exchange on 16th ⁽¹⁾
2Q 2015 3Q 2017 3Q 2018 700,000
—%

Los Angeles, California
Columbia Square Phase 2 - Office 3Q 2013 1Q 2016 1Q 2017 370,000
58%
Columbia Square Residential 3Q 2013 1Q 2016 1Q 2017 205,000
N/A
SUBTOTAL: 1,910,000
50%

Location

Construction Start Date

Estimated Stabilization Date⁽²⁾

Estimated Rentable Square Feet

Office % Leased

Office % Occupied

Total Project % Leased

TENANT IMPROVEMENT⁽¹⁾

Office

San Francisco Bay Area

100 Hooper⁽³⁾

SOMA

4Q 2016

2Q 2019

400,000

100%

86%

The Exchange on 16th⁽⁴⁾

Mission Bay

2Q 2015

3Q 2019 -
3Q 2020

750,000

100%

—%

99%

TOTAL:

1,150,000

100%

30%

95%

Construction Start Date

Estimated Stabilization Date ⁽²⁾

Estimated Rentable Square Feet

Office % Leased

Retail % Leased

UNDER CONSTRUCTION

Location

Office

Greater Seattle

333 Dexter

South Lake Union

2Q 2017

3Q 2020

650,000

—%

N/A

Mixed-Use

Greater Los Angeles

Hollywood development - Office⁽⁵⁾

Hollywood

1Q 2018

1Q 2021

355,000

100%

N/A

Hollywood development - Residential ⁽⁵⁾

Hollywood

4Q 2018

4Q 2020

193 Resi Units

N/A

San Diego County

One Paseo - Phases I & II (Retail and Residential)

Del Mar

4Q 2016

1Q 2019 -
3Q 2020

96,000 Retail
608 Resi Units

N/A

91%

One Paseo - Phase III (Office)

Del Mar

4Q 2018

2Q 2021

285,000

42%

N/A

TOTAL:

37%

91%

_______________________


(1)	Represents projects that have reached cold shell condition and are ready for tenant improvements, which may require additional major base building construction before being placed in service.

(2)

For office and retail, represents the earlier of anticipated 95% occupancy date or one year from substantial completion of base building components. For residential, represents when construction is complete and the project is available for occupancy. For multi-phase projects, interest and carry cost capitalization may cease and recommence driven by various factors, including tenant improvement construction and other tenant related timing or project scope.


(3)	The office component of this project, which consists of approximately 312,000 rentable square feet, is 100% leased to Adobe Systems, Inc. and the lease commenced in October 2018. The remaining PDR space of approximately 88,000 rentable square feet is 38% leased and 18% occupied.


(4)	The Company has an executed 15-year lease for 100% of the office space with Dropbox, Inc.


(5)	In the ~~second~~fourth quarter, ~~of 2015,~~ the Company ~~commenced development~~signed a 12-year lease for 100% of the ~~four building complex comprised of two six-story buildings and two twelve-story buildings located in the Mission Bay district of San Francisco.~~office space with Netflix, Inc.

The following table sets forth certain information relating to our ~~near-term and~~ future development pipeline as of December 31, ~~2015~~.2018.



~~Location~~Future Development Pipeline	Location	~~Estimated Rentable~~ Approx. Developable Square Feet
~~NEAR-TERM DEVELOPMENT PIPELINE~~⁽¹⁾:

~~100 Hooper~~ ⁽²⁾	San ~~Francisco~~	~~400,000~~
~~Academy Project~~	~~Hollywood~~	~~545,000~~
~~333 Dexter~~ ⁽³⁾	~~South Lake Union~~	~~700,000~~
~~One Paseo~~	~~Del Mar~~	~~TBD~~

Diego County
~~FUTURE DEVELOPMENT PIPELINE:~~2100 Kettner	Little Italy	175,000

~~Flower Mart~~	~~San Francisco~~	~~TBD~~
9455 Towne Centre Drive⁽⁴⁾	~~San Diego~~University Towne Center	150,000
~~Carlsbad Oaks – Lots 4, 5 & 8~~	~~Carlsbad~~	~~222,000~~
~~Pacific Corporate Center – Lot 8~~	~~Sorrento Mesa~~	~~170,000~~
Santa Fe Summit – ~~Phase~~Phases II and III	56 Corridor	600,000
~~Sorrento Gateway – Lot 2~~San Francisco Bay Area	~~Sorrento Mesa~~	~~80,000~~
Kilroy Oyster Point	South San Francisco	2,500,000
Flower Mart	SOMA	TBD

_______________________


(1)	~~Project~~ The developable square feet and scope of projects could change materially from estimated data provided due to one ofor more of the following: any significant changes in the economy, market conditions, our markets, tenant requirements and demands, construction costs, new ~~office~~ supply, regulatory and entitlement processes or project design.


~~(2)~~	In July 2015, the Company closed on a fully-entitled 3.3 acre site for a total purchase price of approximately $78.0 million in cash and approximately $4.1 million in accrued liabilities and acquisition costs in the south of market area of San Francisco. The Company will develop and own two buildings totaling approximately 400,000 square feet.


~~(3)~~	~~Consists of four adjacent parcels in the South Lake Union submarket of Seattle which the Company acquired in February 2015.~~


~~(4)~~	The Company is planning to demolish the existing two-story 45,195 rentable square foot office building and is currently pursuing entitlements to build a new five-story 150,000 rentable square foot building.

Significant Tenants

The following table sets forth information about our 15 largest tenants based upon annualized base rental revenues, as defined below, as of December 31, ~~2015~~.

2018.

Tenant Name
Annualized Base Rental Revenue⁽¹⁾

Percentage of Total Annualized Base Rental Revenue⁽¹⁾
Lease Expiration Date
(in thousands)
LinkedIn Corporation $ 28,344
5.9%
Various ⁽⁴⁾
Box, Inc. ⁽²⁾
22,493
4.7%
Various ⁽⁵⁾
DIRECTV, LLC 22,467
4.7% September 2027
Synopsys, Inc. 15,492
3.2% August 2030
Bridgepoint Education, Inc. 15,066
3.2%
Various ⁽⁶⁾
Delta Dental of California 10,313
2.2% May 2018
AMN Healthcare, Inc. 9,001
1.9% July 2027
Concur Technologies 8,225
1.7% December 2025
Zenefits Insurance Service 7,314
1.5%
Various ⁽⁷⁾
Scan Group ⁽³⁾
6,487
1.4%
Various ⁽⁸⁾
Group Health Cooperative 6,372
1.3% September 2017
Neurocrine Biosciences, Inc. 6,366
1.3% December 2019
Riot Games, Inc. 6,223
1.3%
Various⁽⁹⁾
Institute for Systems Biology 6,207
1.3% March 2021
Fish & Richardson, P.C. 6,071
1.3% October 2018
Total $ 176,441
36.9%



Tenant Name	Region	Annualized Base Rental Revenue⁽¹⁾⁽²⁾		Percentage of Total Annualized Base Rental Revenue⁽¹⁾	Lease Expiration Date
		(in thousands)
LinkedIn Corporation / Microsoft Corporation	San Francisco Bay Area / Greater Seattle	$	34,096	5.9%	Various ⁽³⁾
Adobe Systems Inc.	San Francisco Bay Area / Greater Seattle	26,751		4.6%	Various ⁽⁴⁾
salesforce.com, inc.	San Francisco Bay Area	23,449		4.1%	Various ⁽⁵⁾
DIRECTV, LLC	Greater Los Angeles	23,152		4.0%	September 2027
Box, Inc.	San Francisco Bay Area	22,441		3.9%	Various ⁽⁶⁾
Dropbox, Inc.	San Francisco Bay Area	22,234		3.9%	Various ⁽⁷⁾
Okta, Inc.	San Francisco Bay Area	17,129		3.0%	October 2028
Riot Games, Inc.	Greater Los Angeles	15,514		2.7%	Various ⁽⁸⁾
Synopsys, Inc.	San Francisco Bay Area	15,492		2.7%	August 2030
Viacom International, Inc.	Greater Los Angeles	13,718		2.4%	December 2028
Cisco Systems, Inc.	San Francisco Bay Area	10,792		1.9%	May 2023
Concur Technologies	Greater Seattle	10,643		1.9%	Various ⁽⁹⁾
Capital One, N.A.	San Francisco Bay Area	9,170		1.6%	September 2024
AMN Healthcare, Inc.	San Diego County	9,001		1.6%	July 2027
Stanford University School of Medicine	San Francisco Bay Area	8,461		1.5%	September 2029
Total		$	262,043	45.7%

(1)

Annualized base rental revenue includes the impact of straight-lining rent escalations and the amortization of free rent periods and excludes the impact of the following: amortization of deferred revenue related tenant-funded tenant improvements, amortization of above/below market rents, amortization for lease incentives due under existing leases, and expense reimbursement revenue. Excludes month-to-month leases and vacant space as of December 31, ~~2015.~~2018.


(2)	Includes 100% of the annualized base rental revenues ~~from Redwood City Partners, LLC, a~~of consolidated ~~subsidiary.~~property partnerships.


(3)	~~The Company has entered into leases with various affiliates of the tenant~~.


~~(4)~~	The LinkedIn Corporation / Microsoft Corporation leases, which contribute ~~$2.2~~$4.3 million, $3.6 million and ~~$26.1~~$26.2 million, expire in ~~July~~February 2019, October 2024, and September 2026, respectively.


(4)	The Adobe Systems Inc. leases, which contribute $5.8 million and $21.0 million, expire in July 2031 and August 2031, respectively.


(5)	The salesforce.com, inc. leases, which contribute $12.9 million, $5.7 million and $4.8 million, expire in March 2029, December 2030 and September 2032, respectively.


(6)	The Box, Inc. leases, which contribute ~~$2.1~~$2.0 million and $20.4 million, expire in August 2021 and June 2028, respectively.


~~(6)~~(7)	The ~~Bridgepoint Education~~Dropbox, Inc. leases, which contribute ~~$1.0 million, $6.3~~$4.7 million and ~~$7.8 million, expire in February 2017, July 2018 and September 2018, respectively.~~

~~(7)~~

~~The Zenefits Insurance Service leases, which contribute $1.3 million and $6.0~~$17.5 million, expire in January ~~2017~~2019 and ~~March 2023,~~August 2019, respectively. The table above does not include the executed lease with Dropbox, Inc. at The Exchange on 16th which will commence in phases beginning in the second half of 2019. Refer to "In-Process Development Projects and Future Development Pipeline" above.


(8)	The ~~Scan Group~~Riot Games leases, which contribute ~~$0.3~~$5.7 million, $2.1 million, and ~~$6.2 million, expire in January 2016 and April 2026, respectively.~~


~~(9)~~	~~The Riot Games, Inc. leases, which contribute $0.5 million, $1.6 million, and $4.1~~$7.7 million, expire in September 2020, November 2020, and November 2024, respectively.


(9)	The Concur Technologies leases, which contribute $1.8 million and $8.8 million, expire in April 2025 and December 2025, respectively.

The following pie chart sets forth the composition of our tenant base by industry and as a percentage of our annualized base rental revenue based on the North American Industry Classification System as of December 31, ~~2015.~~2018.

Our West Coast markets are dynamic and populated with innovative and creative tenants, including but not limited to technology, entertainment and digital media. While technology companies comprise 48% of our office portfolio base rent, technology is a broad concept that encompasses diverse industries including software, social media, hardware, cloud computing, internet media and technology services.

Lease Expirations

The following table sets forth a summary of our office lease expirations for each of the next ten years beginning with ~~2016,~~2019, assuming that none of the tenants exercise renewal options or termination rights. See further discussion of our lease expirations under “Item 1A. Risk Factors” and “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations —Factors that May Influence Future Results of Operations”.

Lease Expirations


Year of Lease Expiration	# of Expiring Leases	Total Square Feet	% of Total Leased Square Feet		Annualized Base Rent (000’s)^{(1) (2)}		% of Total Annualized Base Rent⁽¹⁾		Annualized Rent per Square Foot ⁽¹⁾		# of Expiring Leases	Total Square Feet	% of Total Leased Square Feet		Annualized Base Rent (000’s)^{(1) (2)}		% of Total Annualized Base Rent ⁽¹⁾		Annualized Rent per Square Foot ⁽¹⁾
2016	94	700,875	5.8	%	$	20,844	4.3	%	$	29.74
2017	104	1,260,852	10.4	%	47,192		9.9	%	37.43
2018	75	1,361,052	11.2	%	54,644		11.4	%	40.15
2019	88	1,534,421	12.6	%	56,113		11.7	%	36.57
2019⁽³⁾											98	1,410,267	11.5	%	$	63,201	11.0	%	$	44.81
2020	89	1,899,476	15.7	%	71,094		14.9	%	37.43		96	1,445,161	11.8	%	58,889		10.2	%	40.75
2021	50	906,739	7.5	%	38,270		8.0	%	42.21		83	862,910	7.0	%	37,914		6.6	%	43.94
2022	17	398,968	3.3	%	16,910		3.5	%	42.38		52	639,915	5.2	%	27,523		4.7	%	43.01
2023	18	563,794	4.6	%	26,778		5.6	%	47.50		71	1,271,112	10.4	%	66,383		11.5	%	52.22
2024	17	554,293	4.6	%	21,432		4.5	%	38.67		44	897,244	7.3	%	42,339		7.3	%	47.19
2025	8	101,610	0.8	%	4,676		1.0	%	46.02		24	409,532	3.3	%	20,104		3.5	%	49.09
2026 and beyond	28	2,854,723	23.5	%	120,563		25.2	%	42.23
2026											25	1,365,016	11.1	%	56,863		9.9	%	41.66
2027											19	1,134,864	9.3	%	47,434		8.2	%	41.80
2028											16	816,535	6.7	%	53,663		9.3	%	65.72
2029 and beyond											22	2,016,209	16.4	%	102,170		17.8	%	50.67
Total⁽³⁾⁽⁴⁾	588	12,136,803	100.0	%	$	478,516	100.0	%	$	39.43	550	12,268,765	100.0	%	$	576,483	100.0	%	$	46.99

_______________________

(1)

Annualized base rent includes the impact of straight-lining rent escalations and the amortization of free rent periods and excludes the impact of the following: amortization of deferred revenue related tenant-funded tenant improvements, amortization of above/below market rents, amortization for lease incentives due under existing leases and expense reimbursement revenue. Additionally, the underlying leases contain various expense structures including full service gross, modified gross and triple net. Amounts represent percentage of total portfolio annualized contractual base rental revenue.


(2)	Includes 100% of annualized ~~base~~based rent ~~from Redwood City Partners, LLC, a~~of consolidated ~~subsidiary.~~property partnerships.


(3)	~~The information presented~~Adjusting for ~~all lease expiration activity reflects~~ leasing ~~activity through~~ transactions executed as of December 31, ~~2015~~2018 but not yet commenced, the 2019 expirations would be reduced by 929,141 square feet.

(4)

~~for our stabilized portfolio.~~ For leases that have been renewed early ~~or space that has been re-leased to a new tenant,~~with existing tenants, the expiration date and annualized base rent information presented takes into consideration the renewed ~~or re-leased~~ lease terms. Excludes leases not commenced as of December 31, 2018, space leased under month-to-month leases, storage leases, vacant space and future lease renewal options not executed as of December 31, ~~2015~~.2018.

Secured Debt

As of December 31, ~~2015,~~2018, the Operating Partnership had ~~five~~three outstanding mortgage notes ~~payable and one outstanding secured note~~ payable which were secured by certain of our properties. Our secured debt represents an aggregate indebtedness of approximately ~~$375.7~~$335.8 million. On February 11, 2019, the Company repaid at par a secured mortgage note payable due in June 2019 for $74.3 million. See additional information regarding our secured debt in “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations—Liquidity and Capital Resources—Liquidity Sources,” Notes 78 and 89 to our consolidated financial statements and Schedule III—Real Estate and Accumulated Depreciation included ~~with~~in this report. Management believes that, as of December 31, ~~2015~~2018, the value of the properties securing the applicable secured obligations in each case exceeded the principal amount of the outstanding obligation.


ITEM 3.	LEGAL PROCEEDINGS

We and our properties are subject to routine litigation incidental to our business. These matters are generally covered by insurance. As of December 31, ~~2015~~2018, we are not a defendant in, and our properties are not subject to, any legal proceedings that we believe, if determined adversely to us, would have a material adverse effect upon our financial condition, results of operations, or cash flows.


ITEM 4.	MINE SAFETY DISCLOSURES

None.

PART II


ITEM 5.	MARKET FOR KILROY REALTY CORPORATION’S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES

The Company’s common stock is traded on the New York Stock Exchange (“NYSE”) under the symbol “KRC.” As of the date this report was filed, there were approximately 8987 registered holders of the Company’s common stock. The following table illustrates ~~high, low, and closing prices by quarter, as well as~~ dividends declared during ~~2015~~2018 and ~~2014~~2017 as reported on the NYSE.


2015	High		Low		Close		Per Share Common Stock Dividends Declared
2018									Per Share Common Stock Dividends Declared
First quarter	$	78.86	$	70.48	$	76.17	$	0.3500	$	0.4250
Second quarter	77.92		67.15		67.15		0.3500		0.4550
Third quarter	73.45		63.41		65.16		0.3500		0.4550
Fourth quarter	69.92		62.83		63.28		0.3500		0.4550
2014	High		Low		Close		Per Share Common Stock Dividends Declared
2017									Per Share Common Stock Dividends Declared
First quarter	$	59.53	$	49.72	$	58.58	$	0.3500	$	0.3750
Second quarter	62.88		57.29		62.28		0.3500		0.4250
Third quarter	63.96		58.03		59.44		0.3500		0.4250
Fourth quarter	71.47		58.73		69.07		0.3500		0.4250

The Company pays distributions to common stockholders quarterly each January, April, July and October, at the discretion of the board of directors. Distribution amounts depend on our FFO, financial condition, capital requirements, the annual distribution requirements under the REIT provisions of the Code and such other factors as the board of directors deems relevant.

The ~~table below reflects our~~Company did not make any purchases of equity securities during the three month period leading up to December 31, ~~2015~~.

Period Total Number of Shares (or Units) Purchased Average Price Paid per Share (or Unit) Total Number of Shares (or Units) Purchased as Part of Publicly Announced Plans or Programs Maximum Number (or Approximate Dollar Value) that May Yet to be Purchased Under the Plans or Programs
October 1 - October 31, 2015 —
$ —
—
—
November 1 - November 30, 2015 —
$ —
—
—
December 1 - December 31, 2015 62,072
$ 63.80
—
—
Total 62,072
$ 63.80
—
—
2018.

MARKET FOR KILROY REALTY, L.P.’S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES

There is no established public trading market for the Operating Partnership’s common units. As of the date this report was filed, there were 21 holders of record of common units (including through the Company’s general partnership interest).

The following table reports the distributions per common unit declared during the years ended December 31, ~~2015~~2018 and ~~2014~~2017.


2015	Per Unit Common Unit Distribution Declared
2018			Per Unit Common Unit Distribution Declared
First quarter	$	0.3500	$	0.4250
Second quarter	0.3500		0.4550
Third quarter	0.3500		0.4550
Fourth quarter	0.3500		0.4550
2014	Per Unit Common Unit Distribution Declared
2017			Per Unit Common Unit Distribution Declared
First quarter	$	0.3500	$	0.3750
Second quarter	0.3500		0.4250
Third quarter	0.3500		0.4250
Fourth quarter	0.3500		0.4250

During ~~2015~~2018 and ~~2014,~~2017, the Operating Partnership redeemed ~~39,425~~51,906 and ~~1,000~~304,350 common units, respectively, for the same number of shares of the Company’s common stock.

PERFORMANCE GRAPH

The following line graph compares the change in cumulative stockholder return on shares of the Company’s common stock to the cumulative total return of the NAREIT All Equity REIT Index, the Standard & Poor’s 500 Stock Index, and the SNL REIT Office Index for the five-year period ended December 31, ~~2015~~2018. We include an additional index, the SNL REIT Office Index, to the performance graph since management believes it provides additional information to investors about our performance relative to a more specific peer group. The SNL REIT Office Index is a published and widely recognized index that comprises 2825 office equity REITs, including us. The graph assumes the investment of $100 in us and each of the indices on December 31, ~~2010~~2013 and, as required by the SEC, the reinvestment of all distributions. The return shown on the graph is not necessarily indicative of future performance.


ITEM 6.	SELECTED FINANCIAL DATA – KILROY REALTY CORPORATION

The following tables set forth selected consolidated financial and operating data on ana historical basis for the Company. The following data should be read in conjunction with our financial statements and notes thereto and “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations” included in this report.

The consolidated balance sheet data as of December 31, ~~2015~~2018, 2017 and ~~2014~~2016 and the consolidated statement of operations data for all periods presented, and the consolidated statement of cash flows data for the years ended December 31, ~~2015, 2014~~2018, 2017 and ~~2013~~2016 have been derived from the historical consolidated financial statements of Kilroy Realty Corporation audited by an independent registered public accounting firm. The consolidated balance sheet data as of December 31, ~~2013, 2012~~2015 and ~~2011~~2014 and the consolidated statement of ~~operations~~cash flows data for the years ended December 31, ~~2012~~2015 and ~~2011~~2014 have been derived from the historical consolidated financial statements of Kilroy Realty Corporation and adjusted ~~to present the income from operating properties that were sold through the year ended December 31, 2014, as income from discontinued operations, and adjusted~~ for the impact of subsequent accounting changes requiring retrospective application, if any. Effective January 1, 2015 the Company adopted Financial Accounting Standards Board Accounting Standards Update 2014-08 (see Note 2 “Basis of Presentation and Significant Accounting Policies” to our consolidated financial statements included in this report for additional information). Therefore results from operating properties sold in 2015 are reported within continuing operations for all periods presented and adjustments to prior years’ consolidated financial statement information for operating properties that were sold during the year ended December 31, 2015 were not required.

Kilroy Realty Corporation Consolidated

(in thousands, except share, per share, square footage and occupancy data)


	Year Ended December 31,												Year Ended December 31,
	2015		2014		2013		2012			2011			2018		2017		2016		2015		2014
Statements of Operations Data:
Total revenues from continuing operations	$	581,275	$	521,725	$	457,111	$	373,318		$	304,574		$	747,298	$	719,001	$	642,572	$	581,275	$	521,725
Income (loss) from continuing operations	238,604		59,313		14,935		(5,475		)	(16,664		)
Income from continuing operations													277,926		180,615		303,798		238,604		59,313
Income from discontinued operations⁽¹⁾	—		124,495		29,630		282,576			84,153			—		—		—		—		124,495
Net income available to common stockholders	220,831		166,969		30,630		249,826			50,819			258,415		151,249		280,538		220,831		166,969
Per-Share Data:
Per Share Data:
Weighted average shares of common stock outstanding – basic	89,854,096		83,090,235		77,343,853		69,639,623			56,717,121			99,972,359		98,113,561		92,342,483		89,854,096		83,090,235
Weighted average shares of common stock outstanding – diluted	90,395,775		84,967,720		77,343,853		69,639,623			56,717,121			100,482,365		98,727,331		93,023,034		90,395,775		84,967,720
Income (loss) from continuing operations available to common stockholders per share of common stock – basic	$	2.44	$	0.52	$	0.00	$	(0.40	)	$	(0.57	)
Income (loss) from continuing operations available to common stockholders per share of common stock – diluted	$	2.42	$	0.51	$	0.00	$	(0.40	)	$	(0.57	)
Income from continuing operations available to common stockholders per share of common stock – basic													$	2.56	$	1.52	$	3.00	$	2.44	$	0.52
Income from continuing operations available to common stockholders per share of common stock – diluted													$	2.55	$	1.51	$	2.97	$	2.42	$	0.51
Net income available to common stockholders per share – basic	$	2.44	$	1.99	$	0.37	$	3.56		$	0.87		$	2.56	$	1.52	$	3.00	$	2.44	$	1.99
Net income available to common stockholders per share – diluted	$	2.42	$	1.95	$	0.37	$	3.56		$	0.87		$	2.55	$	1.51	$	2.97	$	2.42	$	1.95
Dividends declared per common share	$	1.40	$	1.40	$	1.40	$	1.40		$	1.40
Dividends declared per share⁽²⁾													$	1.790	$	1.650	$	3.375	$	1.400	$	1.400

________________________

(1)

The Company adopted ~~ASU~~Financial Accounting Standards Board (“FASB”) Accounting Standards Update (“ASU”) No. 2014-08 effective January 1, ~~2015 (see Note 2 “Basis of Presentation and Significant Accounting Policies” to our consolidated financial statements included in this report for additional information).~~2015. As a result, results of operations for properties classified as held for sale and/or disposed of subsequent to January 1, 2015 are presented in continuing operations. Prior to January 1, 2015, properties classified as held for sale and/or disposed of are presented in discontinued operations.


(2)	Dividends declared for the year ended December 31, 2016 includes a special dividend of $1.90 per share of common stock that was paid on January 13, 2017.


	December 31,															December 31,
	2015			2014			2013			2012			2011			2018			2017			2016			2015			2014
Balance Sheet Data:
Total real estate held for investment, before accumulated depreciation and amortization	$	6,328,146		$	6,057,932		$	5,264,947		$	4,757,394		$	3,798,690		$	8,426,632		$	7,417,777		$	7,060,754		$	6,328,146		$	6,057,932
Total assets(1)	5,939,469			5,633,736			5,111,028			4,616,084			3,446,795			7,765,707			6,802,838			6,706,633			5,926,430			5,621,262
Total debt(1)	2,238,508			2,469,413			2,204,938			2,040,935			1,821,286			2,932,601			2,347,063			2,320,123			2,225,469			2,456,939
Total noncontrolling interest – preferred units ⁽¹⁾	—			—			—			—			73,638
Total preferred stock	192,411			192,411			192,411			192,411			121,582			—			—			192,411			192,411			192,411
Total noncontrolling interests⁽²⁾																271,354			259,523			216,322			63,620			57,726
Total equity ⁽²⁾	3,234,586			2,723,936			2,516,160			2,235,933			1,327,482			4,201,261			3,960,316			3,759,317			3,234,586			2,723,936
Other Data:
Funds From Operations ^{(3) (4)}	$	316,612		$	250,744		$	218,621		$	165,455		$	136,173		$	360,491		$	346,787		$	333,742		$	316,612		$	250,744
Cash flows provided by (used in):
Operating activities	$	272,008		$	245,253		$	240,576		$	180,724		$	138,256		$	410,043		$	347,012		$	345,054		$	272,008		$	245,253
Investing activities(5)	(262,752		)	(501,436		)	(506,520		)	(706,506		)	(634,283		)	(808,915		)	(359,102		)	(579,420		)	(337,241		)	(476,031		)
Financing activities	23,471			244,587			284,621			537,705			485,964			503,108			(171,241		)	427,291			23,471			244,587
Office Property Data: ⁽⁵⁾
Rentable square footage	13,032,406			14,096,617			12,736,099			13,249,780			11,421,112			13,232,580			13,720,597			14,025,856			13,032,406			14,096,617
Occupancy	94.8		%	94.4		%	93.4		%	92.8		%	90.1		%	94.4		%	95.2		%	96		%	94.8		%	94.4		%
Residential Property Data:
Number of units																200			200			200			N/A			N/A
Average occupancy ⁽⁶⁾																79.7		%	70.2		%	46.0		%	N/A			N/A

_______________________

(1)

~~Represents~~On January 1, 2016, the ~~redemption value, less issuance~~Company adopted FASB ASU No. 2015-03 and 2015-15 which require deferred financing costs, except costs paid for the unsecured line of ~~our 1,500,000 7.45% Series A Cumulative Preferred Units (“Series A Preferred Units”). The Series A Preferred Units were redeemed in 2012.~~credit, to be reclassified as a reduction to the debt liability balance instead of being reported as an asset as historically presented. As a result, total assets and total debt have been adjusted from prior amounts reported to reflect this change for all periods presented.


(2)	Includes the noncontrolling ~~interest~~interests of the common units of the Operating Partnership and ~~Redwood City Partners, LLC (a~~ consolidated ~~subsidiary created during 2013, see~~property partnerships (see Note 2 “Basis of Presentation and Significant Accounting Policies” to our consolidated financial statements included in this report for additional information).

(3)

We calculate FFO in accordance with the White Paper on FFO approved by the Board of Governors of NAREIT. The White Paper defines FFO as net income or loss calculated in accordance with GAAP, excluding extraordinary items, as defined by GAAP, gains and losses from sales of depreciable real estate and impairment write-downs associated with depreciable real estate, plus real estate-related depreciation and amortization (excluding amortization of deferred financing costs and depreciation of non-real estate assets), and after adjustment for unconsolidated partnerships and joint ventures. Our calculation of FFO includes the amortization of deferred revenue related to tenant-funded tenant improvements and excludes the depreciation of the related tenant improvement assets. We also add back net income attributable to noncontrolling common units of the Operating Partnership because we report FFO attributable to common stockholders and common unitholders.

We believe that FFO is a useful supplemental measure of our operating performance. The exclusion from FFO of gains and losses from the sale of operating real estate assets allows investors and analysts to readily identify the operating results of the assets that form the core of our activity and assists in comparing those operating results between periods. Also, because FFO is generally recognized as the industry standard for reporting the operations of REITs, it facilitates comparisons of operating performance to other REITs. However, other REITs may use different methodologies to calculate FFO, and accordingly, our FFO may not be comparable to all other REITs.

Implicit in historical cost accounting for real estate assets in accordance with GAAP is the assumption that the value of real estate assets diminishes predictably over time. Since real estate values have historically risen or fallen with market conditions, many industry investors and analysts have considered presentations of operating results for real estate companies using historical cost accounting alone to be insufficient. Because FFO excludes depreciation and amortization of real estate assets, we believe that FFO along with the required GAAP presentations provides a more complete measurement of our performance relative to our competitors and a more appropriate basis on which to make decisions involving operating, financing and investing activities than the required GAAP presentations alone would provide.

However, FFO should not be viewed as an alternative measure of our operating performance because it does not reflect either depreciation and amortization costs or the level of capital expenditures and leasing costs necessary to maintain the operating performance of our properties, which are significant economic costs and could materially impact our results from operations.

Adjustments to arrive at FFO were as follows: net income attributable to noncontrolling common units of the Operating Partnership,

net income attributable to noncontrolling interests in consolidated property partnerships, depreciation and amortization of real estate assets, gains on sales of depreciable real estate and ~~net gain on dispositions of discontinued operations.~~FFO attributable to noncontrolling interests in consolidated property partnerships. For additional information, see “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations —Non-GAAP Supplemental Financial Measure: Funds From Operations” including a reconciliation of the Company’s GAAP net income available for common stockholders to FFO for the periods presented.


(4)	FFO includes amortization of deferred revenue related to tenant-funded tenant improvements of $18.4 million, $16.8 million, $13.2 million, $13.3 million ~~$11.0 million, $10.7 million, $9.1 million~~ and ~~$9.3~~$11.0 million for the years ended December 31, 2018, 2017, 2016, 2015 ~~2014, 2013, 2012~~ and ~~2011,~~2014, respectively.

(5)

~~Occupancy percentages~~On January 1, 2017, the Company adopted FASB ASU No. 2016-18 which requires that a statement of cash flows explain the change during the period in the total cash, cash equivalents, and ~~total square feet~~amounts generally described as restricted cash or restricted cash equivalents. As a result, cash flows provided by (used in) investing activities have been adjusted from prior amounts reported ~~are based on the Company’s stabilized office portfolio~~to reflect this change for ~~the~~all periods presented.


(6)	For the year ended December 31, 2016, represents occupancy at December 31, 2016.

SELECTED FINANCIAL DATA – KILROY REALTY, L.P.

The following tables set forth selected consolidated financial and operating data on ana historical basis for the Operating Partnership. The following data should be read in conjunction with our financial statements and notes thereto and “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations” included in this report.

The consolidated balance sheet data as of December 31, ~~2015~~2018, 2017 and ~~2014~~2016 and the consolidated statement of operations data for ~~the years ended~~ ~~December 31, 2015, 2014 and 2013~~all periods presented have been derived from the historical consolidated financial statements of Kilroy Realty, L.P. audited by an independent registered public accounting firm. The consolidated balance sheet data as of December 31, ~~2013, 2012~~2015 and ~~2011 and the consolidated statement of operations data for the years ended December 31, 2012 and 2011~~2014 have been derived from the historical consolidated financial statements of Kilroy Realty, L.P. and adjusted ~~to present the income from operating properties that were sold through the year ended December 31, 2014, as income from discontinued operations, and adjusted~~ for the impact of subsequent accounting changes requiring retrospective application, if any. Effective January 1, 2015 the Company adopted Financial Accounting Standards Board Accounting Standards Update 2014-08 (see Note 2 “Basis of Presentation and Significant Accounting Policies” to our consolidated financial statements included in this report for additional information). Therefore results from operating properties sold in 2015 are reported within continuing operations for all periods presented and adjustments to prior years’ consolidated financial statement information for operating properties that were sold during the year ended December 31, 2015 were not required.

Kilroy Realty, L.P. Consolidated

(in thousands, except unit, per unit, square footage and occupancy data)


	Year Ended December 31,												Year Ended December 31,
	2015		2014		2013		2012			2011			2018		2017		2016		2015		2014
Statements of Operations Data:
Total revenues from continuing operations	$	581,275	$	521,725	$	457,111	$	373,318		$	304,574		$	747,298	$	719,001	$	642,572	$	581,275	$	521,725
Income (loss) from continuing operations	238,604		59,313		14,935		(5,475		)	(16,664		)
Income from continuing operations													277,926		180,615		303,798		238,604		59,313
Income from discontinued operations⁽¹⁾	—		124,495		29,630		282,576			84,153			—		—		—		—		124,495
Net income available to common unitholders	224,887		170,298		31,091		255,375			51,764			263,210		154,077		286,813		224,887		170,298
Per Unit Data:
Weighted average common units outstanding – basic	91,645,578		84,894,498		79,166,260		71,403,258			58,437,444			102,025,276		100,246,567		94,771,688		91,645,578		84,894,498
Weighted average common units outstanding – diluted	92,187,257		86,771,983		79,166,260		71,403,258			58,437,444			102,535,282		100,860,337		95,452,239		92,187,257		86,771,983
Income (loss) from continuing operations available to common unitholders per common unit – basic	$	2.44	$	0.52	$	0.00	$	(0.40	)	$	(0.58	)
Income (loss) from continuing operations available to common unitholders per common unit – diluted	$	2.42	$	0.51	$	0.00	$	(0.40	)	$	(0.58	)
Income from continuing operations available to common unitholders per common unit – basic													$	2.56	$	1.52	$	2.99	$	2.44	$	0.52
Income from continuing operations available to common unitholders per common unit – diluted													$	2.55	$	1.51	$	2.96	$	2.42	$	0.51
Net income available to common unitholders per unit – basic	$	2.44	$	1.99	$	0.37	$	3.56		$	0.86		$	2.56	$	1.52	$	2.99	$	2.44	$	1.99
Net income available to common unitholders per unit – diluted	$	2.42	$	1.94	$	0.37	$	3.56		$	0.86		$	2.55	$	1.51	$	2.96	$	2.42	$	1.94
Distributions declared per common unit(2)	$	1.40	$	1.40	$	1.40	$	1.40		$	1.40		$	1.790	$	1.650	$	3.375	$	1.400	$	1.400

________________________

(1)

The Company adopted FASB ASU No. 2014-08 effective January 1, ~~2015 (see Note 2 “Basis of Presentation and Significant Accounting Policies” to our consolidated financial statements included in this report for additional information).~~2015. As a result, results of operations for properties classified as held for sale and/or disposed of subsequent to January 1, 2015 are presented in continuing operations. Prior to January 1, 2015, properties classified as held for sale and/or disposed of are presented in discontinued operations.


(2)	The year ended December 31, 2016 includes a special distribution of $1.90 per common unit that was paid on January 13, 2017.


	December 31,															December 31,
	2015			2014			2013			2012			2011			2018			2017			2016			2015			2014
Balance Sheet Data:
Total real estate held for investment, before accumulated depreciation and amortization	$	6,328,146		$	6,057,932		$	5,264,947		$	4,757,394		$	3,798,690		$	8,426,632		$	7,417,777		$	7,060,754		$	6,328,146		$	6,057,932
Total assets(1)	5,939,469			5,633,736			5,111,028			4,616,084			3,446,795			7,765,707			6,802,838			6,706,633			5,926,430			5,621,262
Total debt(1)	2,238,508			2,469,413			2,204,938			2,040,935			1,821,286			2,932,601			2,347,063			2,320,123			2,225,469			2,456,939
Series A redeemable preferred units⁽¹⁾	—			—			—			—			73,638
Total preferred capital	192,411			192,411			192,411			192,411			121,582			—			—			192,411			192,411			192,411
Total noncontrolling interests ⁽²⁾																197,561			186,375			135,138			10,566			9,625
Total capital⁽²⁾	3,234,586			2,723,936			2,516,160			2,235,933			1,327,482			4,201,261			3,960,316			3,759,317			3,234,586			2,723,936
Other Data:
Cash flows provided by (used in):
Operating activities	272,008			245,253			240,576			180,724			138,256			410,043			347,012			345,054			272,008			245,253
Investing activities(3)	(262,752		)	(501,436		)	(506,520		)	(706,506		)	(634,283		)	(808,915		)	(359,102		)	(579,420		)	(337,241		)	(476,031		)
Financing activities	23,471			244,587			284,621			537,705			485,964			503,108			(171,241		)	427,291			23,471			244,587
Office Property Data: ⁽³⁾
Rentable square footage	13,032,406			14,096,617			12,736,099			13,249,780			11,421,112			13,232,580			13,720,597			14,025,856			13,032,406			14,096,617
Occupancy	94.8		%	94.4		%	93.4		%	92.8		%	90.1		%	94.4		%	95.2		%	96		%	94.8		%	94.4		%
Residential Property Data:
Number of units																200			200			200			N/A			N/A
Average occupancy⁽⁴⁾																79.7		%	70.2		%	46.0		%	N/A			N/A

_______________________

(1)

~~Represents~~On January 1, 2016, the ~~redemption value, less issuance~~Company adopted FASB ASU No. 2015-03 and 2015-15 which require deferred financing costs, except costs paid for the unsecured line of credit, to be reclassified as a reduction to the ~~Operating Partnership’s issued~~debt liability balance instead of being reported as an asset as historically presented. As a result, total assets and ~~outstanding 1,500,000 Series A Preferred Units. All Series A Preferred Units were redeemed in 2012.~~total debt have been adjusted from prior amounts reported to reflect this change for all periods presented.


(2)	Includes the noncontrolling interests in consolidated property partnerships and subsidiaries ~~and Redwood City Partners, LLC (a consolidated subsidiary created during 2013, see~~(see Note 2 “Basis of Presentation and Significant Accounting Policies” to our consolidated financial statements included in this report for additional information).

(3)


(4)	For the year ended December 31, 2016, represents occupancy at December 31, 2016.


ITEM 7.	MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The following discussion relates to our consolidated financial statements and should be read in conjunction with the financial statements and notes thereto appearing elsewhere in this report. The results of operations discussion is combined for the Company and the Operating Partnership because there are no material differences in the results of operations between the two reporting entities.

Forward-Looking Statements

Statements contained in this “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations” that are not historical facts may be forward-looking statements. Forward-looking statements ~~including~~include, among other things, statements or information concerning our plans, objectives, capital resources, portfolio performance, results of operations, projected future occupancy and rental rates, lease expirations, debt ~~maturity,~~maturities, potential investments, strategies such as capital recycling, development and redevelopment activity, projected construction costs, projected construction commencement and completion dates, projected square footage of space that could be constructed on undeveloped land that we own, projected rentable square footage of or number of units in properties under construction or in the development pipeline, anticipated proceeds from capital recycling activity or other dispositions and anticipated dates of those activities or dispositions, projected increases in the value of properties, dispositions, future executive incentive compensation, pending, potential or proposed acquisitions,plans to grow our Net Operating Income and FFO, our ability to re-lease properties at or above current market rates, anticipated market conditions and demographics and other forward-looking financial data, as well as the discussion in “—Factors That May Influence Future Results of ~~Operations”,~~Operations,” “—Liquidity and Capital Resource of the ~~Company”,~~Company,” and “—Liquidity and Capital Resources of the Operating Partnership.” Forward-looking statements can be identified by the use of words such as “believes,” “expects,” “projects,” “may,” “will,” “should,” “seeks,” “approximately,” “intends,” “plans,” “pro forma,” “estimates” or “anticipates” and the negative of these words and phrases and similar expressions that do not relate to historical matters. Forward-looking statements are based on our current expectations, beliefs and assumptions, and are not guarantees of future performance. Forward-looking statements are inherently subject to uncertainties, risks, changes in circumstances, trends and factors that are difficult to predict, many of which are outside of our control. Accordingly, actual performance, results and events may vary materially from those indicated or implied in the forward-looking statements, and you should not rely on the forward-looking statements as predictions of future performance, results or ~~outcomes.~~events. Numerous factors could cause actual future performance, results and events to differ materially from those indicated in the forward-looking statements, including, among others:

global market and general economic conditions and their effect on our liquidity and financial conditions and those of our tenants;

adverse economic or real estate conditions generally, and specifically, in the States of California and Washington;

risks associated with our investment in real estate assets, which are illiquid, and with trends in the real estate industry;

defaults on or non-renewal of leases by tenants;

any significant downturn in tenants’ businesses;

our ability to re-lease property at or above current market rates;

costs to comply with government regulations, including environmental remediations;

the availability of cash for distribution and debt service and exposure ofto risk of default under debt obligations;

increases in interest rates and our ability to manage interest rate exposure;

the availability of financing on attractive terms or at all, which may adversely impact our future interest expense and our ability to pursue development, redevelopment and acquisition opportunities and refinance existing debt;

a decline in real estate asset valuations, which may limit our ability to dispose of assets at attractive prices or obtain or maintain debt financing, and which may result in write-offs or impairment charges;

significant competition, which may decrease the occupancy and rental rates of properties;

potential losses that may not be covered by insurance;

the ability to successfully complete acquisitions and dispositions on announced terms;

the ability to successfully operate acquired, developed and redeveloped properties;

the ability to successfully complete development and redevelopment ~~properties~~projects on schedule and within budgeted amounts;

delays or refusals in obtaining all necessary zoning, land use and other required entitlements, governmental permits and authorizations for our development and redevelopment properties;

increases in anticipated capital expenditures, tenant improvement and/or leasing costs;

defaults on leases for land on which some of our properties are located;

adverse changes to, or enactment or implementations of, tax laws or other applicable laws, regulations or ~~legislation;~~legislation, as well as business and consumer reactions to such changes;

risks associated with joint venture investments, including our lack of sole decision-making authority, our reliance on co-venturers’ financial condition and disputes between us and our co-venturers;

environmental uncertainties and risks related to natural disasters; and

~~the Company’s~~our ability to maintain ~~its~~our status as a REIT.

The factors included in this report are not exhaustive and additional factors could adversely affect our business and financial performance. For a discussion of additional ~~risk~~ factors that could materially adversely affect the Company’s and the Operating Partnership’s business and financial performance, see the ~~factors included in this report under the caption~~discussion below as well as “Item 1A. Risk Factors,” and in our other filings with the SEC. All forward-looking statements are based on ~~currently~~information that was available ~~information~~ and speak only as of the ~~date of this report.~~dates on which they were made. We assume no obligation to update any forward-looking statement that becomes untrue because of subsequent events, new information or otherwise, except to the extent we are required to do so in connection with our ongoing requirements under federal securities laws.

Company Overview

We are a self-administered REIT active in premier office and mixed-use submarkets along the West Coast. We own, develop, acquire and manage real estate assets, consisting primarily of Class A properties in the coastal regions of Greater Los Angeles, Orange County, San Diego County, the San Francisco Bay Area and ~~greater~~Greater Seattle, which we believe have strategic advantages and strong barriers to entry. We own our interests in all of our real properties through the Operating Partnership and the Finance Partnership and generally conduct substantially all of our operations through the Operating Partnership. We owned ~~a 98.1%~~an approximate 98.0% and ~~98.0%~~97.9% general partnership interest in the Operating Partnership as of December 31, ~~2015~~2018 and ~~2014~~,2017, respectively. All of our properties are held in fee except for the ~~eleven~~thirteen office buildings that are held subject to long-term ground leases for the land (see Note 1618 “Commitments

and Contingencies” to our consolidated financial statements included in this report for additional information regarding our ground lease obligations).

~~2015~~2018 Operating and Development Highlights

~~2015~~2018 was ~~another strong~~an excellent year ~~of execution~~across the Company. We achieved a Company record in annual leasing and continued to create value in our operating ~~results for us across multiple fronts. We~~and development platforms that we believe ~~our strong leasing performance, continued execution of our development program with focus~~will drive future earnings and discipline, maintenance of our strong balance sheet and availability to capital including rating agency upgrades, and success with our capital recycling program, continues to position us well for sustained long-termdividend growth.

Leasing. During ~~2015,~~2018, we executed new and renewal ~~office~~ leases totaling 2.8 millionsquare feet within our stabilized portfolio ~~and our development properties on 1.5 million square feet,~~ with an increase in GAAP rents of ~~33.0%~~36.0% and an increase in cash rents of ~~22.3%~~14.8%. ~~Our efforts over the past few years have increased the~~The occupancy inof our stabilized office portfolio ~~to 94.8% as of December 31, 2015, up from~~was 94.4% as of December 31, ~~2014.~~2018. We also signed approximately 0.6 million square feet of leases in our development portfolio.

Development. ~~During 2015, we continued our focus on value-add and highly accretive development opportunities and~~We continued to ~~expand~~execute on our development ~~pipeline through targeted acquisitions of development opportunities on the West Coast. In 2015, we completed and stabilized~~program during 2018, with two development projects ~~Crossing/900~~progressing from the construction phase to the tenant improvement phase, commencing construction on two projects and acquiring a 39-acre waterfront development site in ~~Redwood City, California, with a total investment of~~South San Francisco for approximately ~~$190.0 million and Columbia Square Phase 1 in Hollywood, California, with a total investment of approximately $81.0~~$308.2 million. The office components of these projects were 100% pre-leased at completion. In 2015, we also acquired two development opportunities, one comprised of four adjacent parcels totaling 2.4 acres in South Lake Union, Washington, and one 3.3 acre land site ~~in the SOMA submarket of San Francisco. The land sites were acquired in two separate transactions~~is fully entitled for a total cash purchase price of $127.5 million (see Note 3 “Acquisitions” to our consolidated financial statements included in this report for more information). We also commenced construction on The Exchange at 16th, an approximately 700,000 square-foot, four building project in the Mission Bay submarket of San Francisco.

As of December 31, 2015, the Company had five development projects under construction. Of the office components under construction, two projects are 100% pre-leased and one project is 58% pre-leased. These five projects aggregate approximately 1.92.5 million square feet of ~~space,~~office and the Company estimates its total investment in these projects will be approximately $1.2 billion. The total estimated investment of the five projects includes lease commissions and excludes tenant improvement overages. Scheduled completion dates range through 2017.laboratory space. See “—Factors that May Influence Future ~~Operations—Completed, In-Process and Future Development Pipeline”~~Operations” for additional information.

Capital Recycling Program. We have continued to utilize our capital recycling program to provide additional capital to finance development expenditures, fund potential acquisitions, repay long-term debt and for other general corporate purposes. Our general strategy is to target the disposition of ~~mature~~non-core properties or those that have limited upside for us and redeploy the capital into acquisitions and/or development projects where we can ~~add~~create additional value to generate higher returns (see “—Factors that May Influence Future Operations” for additional information).

In connection with this strategy, during ~~2015,~~2018, we ~~completed the sale of ten office buildings and one land parcel to unaffiliated third parties in four separate transactions for~~generated gross sales proceeds totaling approximately ~~$335.2 million. In addition, in January 2016 we completed~~$373.0 million through the ~~sales~~sale of ~~four operating properties and one undeveloped land parcel that were held for sale at December 31, 2015 for total gross proceeds of $266.8 million.~~11 office buildings.

~~Financings.~~Operating Property Acquisitions. We remain a disciplined buyer of office properties and development opportunities and continue to focus on value-add opportunities in West Coast markets populated by knowledge and creative based tenants in a variety of industries, including technology, media, health care, life sciences, entertainment and professional services. During 2018, we acquired three office buildings in South San Francisco and an office building in San Francisco totaling 255,560 rentable square feet of office and laboratory space in two separate transactions for a total purchase price of approximately $257.0 million.

2018 Financing Highlights

In ~~addition~~2018, we raised approximately $783.8 million in new equity and debt, entered into forward equity sale agreements to ~~obtaining funding from~~sell 5,000,000 shares of common stock, commenced a new $500.0 million at-the-market stock offering program and redeemed approximately $250.0 million in more expensive debt. Refer to our ~~capital recycling program during 2015, we successfully completed the following financing and capital raising activities to fund our continued growth. See~~2018 Financing Highlights in “—Liquidity and Capital Resources of the Operating Partnership” for a list of financing transactions completed in 2018 and Notes 9 and 13, “Secured and Unsecured Debt of the Operating Partnership” and “Stockholders’ Equity of the Company,” respectively, to our consolidated financial statements included in this report for additional ~~information.~~information regarding our debt and capital market activity.

~~Issued common stock for aggregate net proceeds of $138.2 million under the Company’s at-the-market (ATM) offering program;~~

•~~Issued common stock for aggregate net proceeds of $249.6 million through a registered direct placement;~~

~~Issued $400.0 million aggregate principal amount of 10-year, 4.375% senior unsecured notes maturing in October 2025;~~

•~~Repaid a total of $475.1 million of unsecured and secured debt at par; and~~

~~Received an upgrade in our debt ratings from Moody’s Investors Service (“Moody’s”) and Standard and Poor’s Rating Service (“S&P”) to Baa2 and BBB, respectively.~~

Critical Accounting Policies

The preparation of financial statements in conformity with GAAP requires us to make estimates, assumptions, and judgments that affect the reported amounts of assets, liabilities, and the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses for the reporting periods.

Certain accounting policies are considered to be critical accounting policies. Critical accounting policies are those policies that require our management team to make significant estimates and/or assumptions about matters that are uncertain at the time the estimates and/or assumptions are made or where we are required to make significant judgments

and assumptions with respect to the practical application of accounting principles in our business operations. Critical accounting policies are by definition those policies that are material to our financial statements and for which the impact of changes in estimates, assumptions, and judgments could have a material impact to our financial statements.

The following critical accounting policies discussion reflects what we believe are the most significant estimates, assumptions, and judgments used in the preparation of our consolidated financial statements. This discussion of our critical accounting policies is intended to supplement the description of our accounting policies in the footnotes to our consolidated financial statements and to provide additional insight into the information used by management when evaluating significant estimates, assumptions, and judgments. For further discussion of our significant accounting

policies, see Note 2 “Basis of Presentation & Significant Accounting Policies” to our consolidated financial statements included in this report.

Rental Revenue Recognition

Rental revenue for office operating properties is our principal source of revenue. The timing of when we commence rental revenue recognition for office and life science properties depends largely on our conclusion as to whether we are or the tenant is the owner for accounting purposes of tenant improvements at the leased property. When we conclude that we are the owner of tenant improvements for accounting purposes, we record the cost to construct the tenant improvements as an asset, and we commence rental revenue recognition when the tenant takes possession of or controls the finished space, which is typically when the improvements being recorded as our asset are substantially complete.

The determination of whether we are or the tenant is the owner of tenant improvements for accounting purposes is subject to significant judgment. In making that determination, we consider numerous factors and perform a detailed evaluation of each individual lease. No one factor is determinative in reaching a conclusion. The factors we evaluate include but are not limited to the following:

whether the lease agreement requires landlord approval of how the tenant improvement allowance is spent prior to installation of the tenant improvements;

whether the lease agreement requires the tenant to provide evidence to the landlord supporting the cost and what the tenant improvement allowance was spent on prior to payment by the landlord for such tenant improvements;

whether the tenant improvements are unique to the tenant or reusable by other tenants;

whether the tenant is permitted to alter or remove the tenant improvements without the consent of the landlord or without compensating the landlord for any lost utility or diminution in fair value; and

whether the ownership of the tenant improvements remains with the landlord or remains with the tenant at the end of the lease term.

In addition, we also record the cost of certain tenant improvements paid for or reimbursed by tenants when we conclude that we are the owner of such tenant improvements using the factors discussed above. For these tenant-funded tenant improvements, we record the amount funded or reimbursed by tenants as deferred revenue, which is amortized and recognized as rental revenue over the term of the related lease beginning upon substantial completion of the leased premises. During the years ended December 31, ~~2015,~~ ~~2014~~,2018, 2017, and ~~2013~~,2016, we capitalized ~~$22.8~~$22.5 million, ~~$49.8~~$22.0 million and ~~$15.1~~$22.3 million,, respectively, of tenant-funded tenant improvements. The amount of tenant-funded tenant improvements recorded in any given year varies based upon the mix of specific leases executed and/or commenced during the reporting period. For the years ended December 31, ~~2015,~~ ~~2014~~,2018, 2017, and ~~2013~~,2016, we recognized ~~$13.3~~$18.4 million,, ~~$11.0~~ $16.8 million and ~~$10.7~~$13.2 million, respectively, of ~~noncash~~non-cash rental revenue related to the amortization of deferred revenue recorded in connection with tenant-funded tenant improvements.

When we conclude that we are not the owner and the tenant is the owner of certain tenant improvements for accounting purposes, we record our contribution towards those tenant-owned improvements as a lease incentive, which

is amortized as a reduction to rental revenue on a straight-line basis over the term of the related lease, and rental revenue recognition begins when the tenant takes possession of or controls the space.

Our determination as to whether we are or the tenant is the owner of tenant improvements for accounting purposes is made on a lease-by-lease basis and has a significant impact on the amount of ~~noncash~~non-cash rental revenue that we record related to the amortization of deferred revenue for tenant-funded tenant improvements, and also has a significant effect on the timing of commencement of revenue recognition.

For residential properties, we commence revenue recognition upon occupancy of the premises by the tenant. Residential rental revenue is recognized on a straight-line basis over the term of the related lease, net of any concessions.

Tenant Reimbursement Revenue

Reimbursements from tenants consist of amounts due from tenants for common area maintenance, real estate taxes, and other recoverable costs, including capital expenditures. Calculating tenant reimbursement revenue requires an in-depth analysis of the complex terms of each underlying lease. Examples of judgments and estimates used when determining the amounts recoverable include:

estimating the final expenses, net of accruals, that are recoverable;

estimating the fixed and variable components of operating expenses for each building;

conforming recoverable expense pools to those used in establishing the base year or base allowance for the applicable underlying lease; and

concluding whether an expense or capital expenditure is recoverable pursuant to the terms of the underlying lease.

During the year, we accrue estimated tenant reimbursement revenue in the period in which the tenant reimbursable costs are incurred based on our best estimate of the amounts to be recovered. Throughout the year, we perform analyses to properly match tenant reimbursement revenue with reimbursable costs incurred to date. Additionally, during the fourth quarter of each year, we perform preliminary reconciliations and accrue additional tenant reimbursement revenue or refunds. Subsequent to year end, we perform final detailed reconciliations and analyses on a lease-by-lease basis and bill or refund each tenant for any cumulative annual adjustments in the first and second quarters of each year for the previous year’s activity. Our historical experience for the years ended December 31, ~~2014~~2017 and ~~2013~~2016 has been that our final reconciliation and billing process resulted in final amounts that approximated the total annual tenant reimbursement revenues recognized.

Allowances for Uncollectible Current Tenant Receivables and Deferred Rent Receivables

Tenant receivables and deferred rent receivables are carried net of the allowances for uncollectible current tenant receivables and deferred rent receivables. Current tenant receivables consist primarily of amounts due for contractual lease payments and reimbursements of common area maintenance expenses, property taxes, and other costs recoverable from tenants. Deferred rent receivables represent the amount by which the cumulative straight-line rental revenue recorded to date exceeds cash rents billed to date under the lease agreement. As of December 31, ~~2015~~2018 and ~~2014~~,2017, current receivables were carried net of an allowance for uncollectible tenant receivables ~~amount~~ of ~~$2.1~~$4.6 million and ~~$2.0~~$2.3 million, respectively, for each period and deferred rent receivables were carried net of an allowance for deferred rent of ~~$1.9~~$3.3 million and ~~$2.0~~$3.2 million, respectively.

Management’s determination of the adequacy of the allowance for uncollectible tenant receivables and the allowance for deferred rent receivables is performed using a methodology that incorporates a specific identification analysis and an aging analysis and considers the current economic and business environment. This determination requires significant judgment and estimates about matters that are uncertain at the time the estimates are made, including the creditworthiness of specific tenants, specific industry trends and conditions, and general economic trends and

conditions. Since these factors are beyond our control, actual results can differ from our estimates, and such differences could be material.

With respect to the allowance for uncollectible tenant receivables, the specific identification methodology analysis relies on factors such as the age and nature of the receivables, the payment history and financial condition of the tenant, our assessment of the tenant’s ability to meet its lease obligations, and the status of negotiations of any disputes with the tenant. With respect to the allowance for deferred rent receivables, given the longer-term nature of these receivables, the specific identification methodology analysis evaluates each of our significant tenants and any tenants on our internal watchlist and relies on factors such as each tenant’s financial condition and its ability to meet its lease obligations. We evaluate our reserve levels quarterly based on changes in the financial condition of tenants and our assessment of the tenant’s ability to meet its lease obligations, overall economic conditions, and the current business environment.

For the years ended December 31, ~~2015,~~ ~~2014~~2018, 2017 and ~~2013~~,2016, we recorded a total provision for bad debts for both current tenant receivables and deferred rent receivables of approximately ~~0.1%~~0.4%, ~~0.0%~~0.5% and ~~0.1%~~0.0%, respectively, of rental revenue. ~~Our historical experience has been that actual write-offs of current tenant receivables and deferred rent receivables has approximated~~In addition, for the year ended December 31, 2018, we recorded an additional provision for bad debts ~~recorded for the years ended December 31, 2015,~~ ~~2014~~ ~~and~~ ~~2013~~.of approximately 0.4% related to a note receivable. In the event our estimates were not accurate and we had to change our allowances by 1% of revenue from continuing operations, the potential impact to our net income available to common stockholders would be approximately ~~$5.8~~$7.5 million, ~~$5.2~~$7.2 million and ~~$4.7~~$6.4 million for the years ended December 31, ~~2015,~~ ~~2014~~2018, 2017 and ~~2013~~,2016, respectively.

Acquisitions

Subsequent to our adoption of Financial Accounting Standards Board Accounting Standards Update (“ASU”) No. 2017-01 (“ASU 2017-01”) on January 1, 2017, which was adopted on a prospective basis, acquisitions of operating properties and development and redevelopment opportunities generally no longer meet the definition of a business and are accounted for as asset acquisitions. For these asset acquisitions, we record the acquired tangible and intangible assets and assumed liabilities based on each asset’s and liability’s relative fair value at the acquisition date of the total purchase price plus any capitalized acquisition costs. We record the acquired tangible and intangible assets and assumed liabilities of acquisitions of ~~all~~ operating properties and ~~those~~ development and redevelopment opportunities that meet the accounting criteria to be accounted for as business combinations at fair value at the acquisition date.

We assess and consider fair value based on estimated cash flow projections that utilize available market information and discount and/or capitalization rates that we deem appropriate. Estimates of future cash flows are based on a number of factors including historical operating results, known and anticipated trends, and market and economic conditions. The acquired assets and assumed liabilities for an operating property acquisition generally include but are not limited to: land and improvements, buildings and improvements, construction in progress and identified tangible and intangible assets and liabilities associated with in-place leases, including tenant improvements, leasing costs, value of above-market and below-market operating leases and ground leases, acquired in-place lease values and tenant relationships, if any.

The fair value of land and improvements is derived from comparable sales of land and improvements within the same submarket and/or region. The fair value of buildings and improvements, tenant improvements and leasing costs ~~are based upon~~considers the value of the property as if it was vacant as well as current ~~market~~ replacement costs and other relevant market rate information.

The fair value of the above-market or below-market component of an acquired in-place operating lease is based upon the present value (calculated using a market discount rate) of the difference between (i) the contractual rents to be paid pursuant to the lease over its remaining non-cancellable lease term and (ii) management’s estimate of the rents that would be paid using fair market rental rates and rent escalations at the date of acquisition measured over the remaining non-cancellable term of the lease for above-market operating leases and the initial non-cancellable term plus the term of any below-market fixed rate renewal options, if applicable, for below-market operating leases. The amounts recorded for above-market operating leases are included in deferred leasing costs and acquisition-related intangible assets, net on the balance sheet and are amortized on a straight-line basis as a reduction of rental income over the remaining term of the applicable leases. The amounts recorded for below-market operating leases are included in deferred revenue and acquisition-related liabilities, net on the balance sheet and are amortized on a straight-line basis

as an increase to rental income over the remaining term of the applicable leases plus the term of any below-market fixed rate renewal options, if applicable. Our below-market operating leases generally do not include fixed rate or below-market renewal options. If a lease were to be terminated or if termination were determined to be likely prior to its contractual expiration (for example resulting from bankruptcy), amortization of the related above-market or below-market lease intangible would be accelerated.

The fair value of acquired in-place leases is derived based on management’s assessment of lost revenue and costs incurred for the period required to lease the “assumed vacant” property to the occupancy level when purchased. This fair value is based on a variety of considerations including, but not necessarily limited to: (1) the value associated with avoiding the cost of originating the acquired in-place leases; (2) the value associated with lost revenue related to tenant reimbursable operating costs estimated to be incurred during the assumed lease-up period; and (3) the value associated with lost rental revenue from existing leases during the assumed lease-up period. Factors ~~considered by us~~we consider in performing these analyses include an estimate of the carrying costs during the expected lease-up periods, current market conditions, and costs to execute similar leases. In estimating carrying costs, we include real estate taxes, insurance and other operating expenses, and estimates of lost rental revenue during the expected lease-up periods based on current market demand at market rates. In estimating costs to execute similar leases, we consider leasing commissions, legal and other related expenses. The amount recorded for acquired in-place leases is included in deferred leasing costs and acquisition-related intangible assets, net on the balance sheet and amortized as an increase to depreciation and amortization expense over the remaining term of the applicable leases. If a lease were to be terminated or if termination were determined to

be likely prior to its contractual expiration (for example resulting from bankruptcy), amortization of the related unamortized in-place lease intangible would be accelerated.

The determination of the fair value of any debt assumed in connection with a property acquisition is estimated by discounting the future cash flows using interest rates available for the issuance of debt with similar terms and remaining maturities.

The determination of the fair value of the acquired tangible and intangible assets and assumed liabilities of acquisitions requires us to make significant judgments and assumptions about the numerous inputs discussed above. The use of different assumptions in these fair value calculations could significantly affect the reported amounts of the allocation of our acquisition related assets and liabilities and the related depreciation and amortization expense recorded for such assets and liabilities. In addition, because the value of above and below market leases are amortized as either a reduction or increase to rental income, respectively, our judgments for these intangibles could have a significant impact on our reported rental revenues and results of operations.

~~Costs directly~~Subsequent to our adoption of ASU 2017-01 on January 1, 2017, transaction costs associated with our acquisitions are capitalized as part of the purchase price of the acquisition. Prior to our adoption of ASU 2017-01, acquisition costs associated with all operating property acquisitions and those development and redevelopment acquisitions that ~~meet~~met the ~~accounting~~ criteria to be accounted for as business combinations ~~are~~were expensed as ~~incurred. During the years ended December 31, 2015, 2014,~~incurred and ~~2013, we expensed $0.5 million, $1.5 million and $2.0 million of acquisition~~ costs respectively, based on the level of our acquisition activity during those years. Our acquisition expenses are directly related to our acquisition activity and if our acquisition activity was to increase or decrease, so would our acquisition costs.

We record development acquisitions that do not meet the accounting criteria to be accounted for as business combinations and the subsequent acquisition of the fee interest in land and improvements underlying our properties at the purchase price paid. Costs directly associated with development acquisitions accounted for as asset acquisitions ~~are~~were capitalized as part of the cost of the ~~acquisition.~~asset. During the years ended December 31, ~~2015, 2014,~~2018, 2017 and ~~2013,~~2016, we capitalized ~~$1.1~~$3.8 million, ~~$4.5~~$4.6 million, and ~~$2.3~~$0.5 million, respectively, of ~~such~~ acquisition costs. During the year ended December 31, 2016, we expensed $1.9 million of acquisition costs.

Evaluation of Asset Impairment

We evaluate our real estate assets for potential impairment whenever events or changes in circumstances indicate that the carrying amount of a given asset may not be recoverable. We evaluate our real estate assets for impairment on a property-by-property basis. Indicators we use to determine whether an impairment evaluation is necessary include:

low occupancy levels, forecasted low occupancy levels or near term lease expirations at a specific property;

current period operating or cash flow losses combined with a historical pattern or future projection of potential continued operating or cash flow losses at a specific property;

deterioration in rental rates for a specific property as evidenced by sudden significant rental rate decreases or continuous rental rate decreases over numerous quarters, which could signal a continued decrease in future cash flow for that property;

deterioration of a given rental submarket as evidenced by significant increases in market vacancy and/or negative absorption rates or continuous increases in market vacancy and/or negative absorption rates over numerous quarters, which could signal a decrease in future cash flow for properties within that submarket;

significant increases in property sales yields, continuous increases in property sales yields over several quarters, or recent property sales at a loss within a given submarket, each of which could signal a decrease in the market value of properties;

significant change in strategy or use of a specific property or any other event that could result in a decreased holding period, including classifying a property as held for sale, or significant development delay;

evidence of material physical damage to the property; and

default by a significant tenant when any of the other indicators above are present.

When we evaluate for potential impairment our real estate assets to be held and used, we first evaluate whether there are any indicators of impairment. If any impairment indicators are present for a specific real estate asset, we then perform an undiscounted cash flow analysis and compare the net carrying amount of the real estate asset to the real estate asset’s estimated undiscounted future cash flow over the anticipated holding period. If the estimated undiscounted future cash flow is less than the net carrying amount of the real estate asset, we perform an impairment loss calculation to determine if the fair value of the real estate asset, less estimated costs to sell, is less than the net carrying value of the real estate asset. We also perform an impairment loss calculation for real estate assets held for sale to determine if the fair value of the real estate asset, less estimated costs to sell, is less than the net carrying value of the real estate asset. Our impairment loss calculation compares the net carrying amount of the real estate asset to the real estate asset’s estimated fair value, which may be based on estimated discounted future cash flow calculations or third-party valuations or appraisals. We recognize an impairment loss if the amount of the asset’s net carrying amount exceeds the asset’s estimated fair value less costs to sell. If we recognize an impairment loss, the estimated fair value of the asset becomes its new cost basis. For a depreciable long-lived asset, the new cost basis will be depreciated (amortized) over the remaining useful life of that asset.

Our undiscounted cash flow and fair value calculations contain uncertainties because they require management to make assumptions and to apply judgment to estimate future cash flow and property fair values, including selecting the discount or capitalization rate that reflects the risk inherent in future cash flow. Estimating projected cash flow is highly subjective as it requires assumptions related to future rental rates, tenant allowances, operating expenditures, property taxes, capital improvements, and occupancy levels. We are also required to make a number of assumptions relating to future economic and market events and prospective operating trends. Determining the appropriate capitalization rate also requires significant judgment and is typically based on many factors including the prevailing rate for the market or submarket, as well as the quality and location of the properties. Further, capitalization rates can fluctuate resulting from a variety of factors in the overall economy or within regional markets. If the actual net cash flow or actual market capitalization rates significantly differ from our estimates, the impairment evaluation for an individual asset could be materially affected.

For each property where such an indicator occurred and/or for properties within a given submarket where such an indicator occurred, we completed an impairment evaluation. After completing this process, we determined that for each of the operating properties evaluated, undiscounted cash flows over the holding period were in excess of carrying value and, therefore, we did not record any impairment losses for these properties.

Cost Capitalization and Depreciation

We capitalize costs associated with development and redevelopment activities, capital improvements, and tenant improvements, ~~and leasing activities,~~ including internal compensation costs. In addition, for development and redevelopment projects, we

also capitalize the following costs during periods in which activities necessary to prepare the project for its intended use are in progress: interest costs based on the weighted average interest rate of our outstanding indebtedness for the period, real estate taxes and insurance. For the years ended December 31, ~~2015, 2014~~2018, 2017 and ~~2013,~~2016, we capitalized ~~$15.2~~$24.2 million, ~~$11.4~~$23.2 million and ~~$7.3~~$19.0 million, respectively, of internal costs to our qualifying development projects.

Amounts capitalized are depreciated or amortized over estimated useful lives determined by management. We depreciate buildings and improvements based on the estimated useful life of the asset, and we amortize tenant improvements ~~and leasing costs~~ over the shorter of the estimated useful life or estimated remaining life of the related lease. All capitalized costs are depreciated or amortized using the straight-line method.

Determining whether expenditures meet the criteria for capitalization and the assignment of depreciable lives requires management to exercise significant judgment. Expenditures that meet one or more of the following criteria generally qualify for capitalization:

provide benefit in future periods;

extend the useful life of the asset beyond our original estimates; and

increase the quality of the asset beyond our original estimates.

Our historical experience has demonstrated that we have not had material write-offs of assets and that our depreciation and amortization estimates have been reasonable and appropriate.

Share-Based Incentive Compensation Accounting

At December 31, ~~2015,~~2018, the Company had one share-based incentive compensation plan, the Kilroy Realty 2006 Incentive Award Plan, which is described more fully in Note 1315 “Share-Based Compensation” to our consolidated financial statements included in this report. The Executive Compensation Committee determines compensation for Executive Officers. Compensation cost for all share-based awards, including options, requires an estimate of fair value on the grant date and compensation cost is recognized on a straight-line basis over the service vesting period, which represents the requisite service period. The grant date fair value for compensation programs that contain market conditions, like modifiers based on total stockholder return (a “market condition”), are performed using complex pricing valuation models that require the input of assumptions, including judgments to estimate expected stock price volatility, expected life, and forfeiture rate. Specifically, the grant date fair value of share-based compensation programs that include market conditions are calculated using a Monte Carlo simulation pricing model and the grant date fair value of stock option grants are calculated using the Black-Scholes valuation model. Additionally, certain of our market condition share-based compensation programs also contain pre-defined financial performance conditions, including FFO per share, FAD per share growth, and debt to EBITDA ratio goals ~~(a “performance condition”)~~ which can impact the number of restricted stock units ultimately earned. This variability relating to the level of the performance condition achieved requires management’s judgment and estimates, which impacts compensation cost recognized for these awards during the performance period. As of December 31, ~~2015,~~2018, the performance condition for ~~all~~certain of our outstanding market condition ~~share based~~share-based compensation programs ~~have~~has been met and compensation cost for these awards is no longer variable. ~~Although~~For these awards, although the number of restricted stock units ultimately earned remains variable subject to the ultimate achievement level of the market condition, compensation cost is no longer variable for these awards as the market condition was already taken into consideration as part of the grant date fair value calculation. As of December 31, 2018, there are certain outstanding share-based compensation awards where the performance conditions have not all yet been met. For these awards, compensation cost and the number of restricted stock units ultimately earned remains variable.

For the years ended December 31, ~~2015, 2014,~~2018, 2017, and ~~2013~~2016 we recorded approximately ~~$11.5~~$23.5 million, ~~$8.1~~$14.5 million, and ~~$5.3~~$16.6 million, respectively, of compensation cost related to programs that were subject to such valuation models. If the valuation of the grant date fair value for such programs changed by 10%, the potential impact to our net income available to common stockholders would be approximately ~~$1.0~~$2.0 million,, ~~$0.8~~ $1.1 million, and ~~$0.5~~$1.4 million for the years ended December 31, ~~2015, 2014,~~2018, 2017, and ~~2013,~~2016, respectively.

Factors That May Influence Future Results of Operations

Development Program

We believe that a portion of our long-term future growth will continue to come from the completion of our in-process development projects ~~as well as,~~and, subject to market conditions, executing on our ~~near-term and~~ future development pipeline, including expanding entitlements. Over the past several years, we increased our focus on development opportunities and expanded our ~~near-term and~~ future development pipeline through targeted acquisitions of development opportunities on the West Coast. This includes the acquisition of a 39-acre fully-entitled development site in South San Francisco, California on June 1, 2018 for a cash purchase price of approximately $308.2 million as discussed in “—Acquisitions” below.

We have a proactive planning process by which we continually evaluate the size, timing, costs and scope of our development program and, as necessary, scale activity to reflect the economic conditions and the real estate fundamentals that exist in our submarkets. We expect to execute on our development program with prudence and will be pursuing opportunities with attractive economic returns in strategic locations with proximity to public transportation or transportation access and retail amenities and in markets with strong fundamentals and visible demand. We plan to develop in phases as appropriate and we generally favor starting projects ~~that are pre-leased.~~with pre-leasing activity, as appropriate.

~~Completed~~In-Process Development Projects - Tenant Improvement

During the ~~second half of 2015, we completed construction and stabilized~~year ended December 31, 2018, the following two ~~office~~ development ~~projects.~~

Crossing/900, Redwood City, California, a development project which has a total estimated investment of approximately $190.0 million and encompasses 339,987 rentable square feet. The office component of this project was 100% occupied at stabilization.projects progressed from the under construction phase to the tenant improvement phase:

Columbia Square Historic Phase 1, which is the first phase of a three phase development project in Hollywood, California. Phase I of this project has a total estimated investment of approximately $81.0 million and encompasses 108,517 rentable square feet. The office component of this project was 100% occupied at stabilization.

~~Projects in~~ “~~Lease-Up~~”

~~As of December 31, 2015, we had one office development project in the “lease-up” phase.~~

~~The Heights at Del Mar, Del Mar, California, a 73,000 square foot office project that has a total estimated investment of approximately $45 million.~~

~~Projects Under Construction~~

~~As of December 31, 2015, we had five projects in our in-process development pipeline that were under construction.~~

350 Mission Street, SOMA, San Francisco, California, which we acquired in October 2012. This development project, which is 100% pre-leased to salesforce.com, Inc., has a total estimated investment of approximately $285 million and will encompass approximately 450,000 rentable square feet upon completion. The building core and shell were completed in the third quarter of 2015, tenant improvements are in process, and the tenant is currently expected to take possession in the second quarter of 2016.

~~333 Brannan Street,~~100 Hooper, SOMA, San Francisco, California, which we acquired in July ~~2012.~~2015 and commenced construction on in November 2016. This ~~development~~ project ~~is 100% pre-leased to Dropbox, has~~encompasses approximately 312,000 square feet of office and approximately 88,000 square feet of production, distribution and repair (“PDR”) space configured in two buildings with a total estimated investment of approximately ~~$105 million~~$270.0 million. The office portion of the project is 100% leased to Adobe Systems Inc. and the PDR space is38% leased. We commenced revenue recognition on the lease with Adobe Systems Inc. on October 1, 2018 and cash rents will ~~encompass 185,000 rentable square feet upon completion. The building core and shell were completed~~commence in the ~~third~~first quarter of ~~2015, tenant improvements are in process, and~~2019 through the ~~tenant~~second quarter of 2020. The project is currently expected to ~~take possession~~be stabilized in the second quarter of ~~2016.~~2019.

The Exchange on 16th, Mission Bay, San Francisco, California, which we acquired in May 2014 and commenced construction on in June 2015. This project ~~is comprised of four buildings encompassing~~will encompass approximately ~~700,000~~750,000 gross rentable square feet consisting of 736,000 square feet of office space and ~~represents~~14,000 square feet of retail space at a total estimated investment of $585.0 million. The office space in the project is 100% pre-leased to Dropbox, Inc. Cash rents will commence in the third quarter of 2019 through the first quarter of 2020. The estimated stabilization dates for Phase I, Phase II, and Phase III are the third quarter of 2019, the fourth quarter of 2019, and the third quarter of 2020, respectively.

In-Process Development Projects - Under Construction

As of December 31, 2018, we had three projects in our in-process development pipeline that were under construction.

Hollywood development, Hollywood, California, which we acquired in 2013. We commenced construction on the office component of this mixed-use project in January 2018, which includes the project’s overall infrastructure and site work and approximately ~~$485~~355,000 square feet of office space for a total estimated investment of $300.0 million. ~~Construction~~The office space of this project is ~~currently~~100% pre-leased to Netflix, Inc. We commenced construction on the residential component of the project in ~~process and~~December 2018, which encompasses 193 residential units at a total estimated investment of $195.0 million. The residential component is currently expected to be completed in the fourth quarter of 2020.

333 Dexter, South Lake Union, Washington, which we acquired in February 2015 and commenced construction on in June 2017. This project encompasses approximately 650,000 square feet of office space at a total

estimated investment of $380.0 million. Construction is currently in progress and the cold shell is currently estimated to be ready for tenant improvements in the second half of ~~2017. This project is not currently pre-leased.~~2019.

~~Columbia Square Office Phase 2, Hollywood,~~

One Paseo - Del Mar Heights, San Diego, California, which we acquired in ~~September 2012. During 2013, we~~November 2007. We commenced ~~development~~construction on the retail and residential components of this ~~phase~~mixed-use project in December 2016, which includes site work and related infrastructure for the entire project, as well as 608 residential units and approximately 96,000 square feet of retail space. The total estimated investment for the retail and residential components of the project ~~comprising~~is approximately ~~370,000 rentable square feet with an estimated investment of $220~~$470.0 million. The ~~building core and shell of the project, which is currently 58% pre-leased, is expected to be completed in the first quarter of 2016, and the~~ project is expected to be stabilized in ~~the first quarter of 2017.~~

Columbia Square Residential, the third phase and residential component of the Columbia Square project, will encompass approximately 205,000 rentable square feet upon completion and has an estimated investment of approximately $145 million. Construction of this project is currently expected to be completedphases beginning in the first quarter of ~~2016, and~~2019 for the retail space through the third quarter of 2020 for the residential units. As of the date of this report, the retail space of the project ~~is expected to be leased~~was 91% leased. We commenced construction on the office component of the project in ~~phases through~~December 2018, which encompasses 285,000square feet of office space at a total estimated investment of $205.0 million. As of the ~~first quarter~~date of ~~2017.~~this report, the office component of the project was 42% pre-leased.

~~Near-Term and~~ Future Development Pipeline

As of December 31, ~~2015,~~2018, our ~~near-term~~future development pipeline included ~~four additional undeveloped land holdings~~five future projects located in ~~various submarkets in San Diego County,~~the San Francisco Bay Area ~~Greater Seattle~~ and ~~Los Angeles~~San Diego County with an aggregate cost basis of approximately ~~$389.8~~$773.2 million, at which we believe we could develop ~~approximately 2.5~~more than 5.0 million rentable square feet atfor a total estimated investment of ~~over $1.5~~approximately $3.5 billion to $5.0 billion, depending on successfully obtaining entitlements

and market conditions. These holdings include two development opportunities acquired in 2015, one in February 2015 in Greater Seattle for a cash purchase price of $49.5 million and one in July 2015 in San Francisco for a cash purchase price of $78.0 million.

The following table sets forth information about our ~~near-term~~future development ~~pipeline as of the date of this report.~~pipeline.

Near-Term Development Pipeline ⁽¹⁾
Location
Potential Start Date ⁽²⁾
Approx. Developable Square Feet Total Estimated Investment
Total Costs as of 12/31/2015 ⁽³⁾
(in millions)

100 Hooper ⁽⁴⁾
San Francisco 2016 400,000 $ 250
$ 88.1
Academy Project Hollywood 2016 545,000 385
61.2
333 Dexter ⁽⁵⁾
South Lake Union 2016 700,000 380
58.4
One Paseo Del Mar 2016 TBD TBD
182.1
Total Near-Term Development Pipeline

$ 389.8



Future Development Pipeline	Location	Approx. Developable Square Feet / Resi Units ⁽¹⁾	Total Costs as of 12/31/2018 ($ in millions)⁽²⁾

San Diego County
2100 Kettner	Little Italy	175,000	$	26.0
9455 Towne Centre Drive	University Towne Center	150,000	16.4
Santa Fe Summit – Phases II and III	56 Corridor	600,000	79.9
San Francisco Bay Area
Kilroy Oyster Point	South San Francisco	2,500,000	399.7
Flower Mart	SOMA	TBD	251.2
TOTAL:			$	773.2

________________________


(1)	~~Project timing, costs,~~The developable square feet and scope of projects could change materially from estimated data provided due to one ofor more of the following: any significant changes in the economy, market conditions, our markets, tenant requirements and demands, construction costs, new ~~office~~ supply, regulatory and entitlement processes ~~and~~or project design.


(2)	Potential start dates assume successfully obtaining all entitlements and approvals necessary to commence construction. Actual commencement is subject to extensive consideration of market conditions and economic factors. 100 Hooper is fully-entitled with Proposition M allocation.


~~(3)~~	Represents cash paid and costs incurred, including accrued liabilities in accordance with GAAP, as of December 31, ~~2015.~~


~~(4)~~	~~In July 2015, the Company closed on a fully-entitled 3.3 acre site for approximately $78.0 million in cashand approximately $4.1 million in accrued liabilities and acquisition costs in SOMA, San Francisco. The Company will develop and own two buildings totaling approximately 400,000 square feet.~~


~~(5)~~	In February 2015, the Company closed on four adjacent parcels in the South Lake Union district for a total purchase price of $49.5 million in cash and approximately $2.4 million in transaction costs and accrued liabilities.2018.

As of December 31, 2015, our longer term future development pipeline included additional undeveloped land holdings located in various submarkets in San Diego County and San Francisco Bay Area with an aggregate cost basis of approximately $225.6 million, at which we believe we could develop more than 2.5 million rentable square feet, depending on successfully obtaining entitlements and market conditions.

~~Decreases~~Fluctuations in our development activities could cause ~~a decrease~~fluctuations in the average development asset balances qualifying for interest and other ~~carry~~carrying cost and internal cost capitalization in future periods. During the ~~year~~years ended December 31, ~~2015,~~2018 and 2017, we capitalized interest on in-process development projects and future development pipeline projects with an average aggregate cost basis of approximately ~~$1.1~~$1.6 billion and $1.0 billion, respectively, as it was determined these projects qualified for interest and other ~~carry~~carrying cost capitalization under GAAP. For the years ended December 31, ~~2015~~2018 and ~~2014,~~2017, we capitalized ~~$52.0~~$68.1 million and ~~$47.1~~$46.5 million, respectively, of interest to our qualifying development projects. For the years ended December 31, ~~2015~~2018 and ~~2014,~~2017, we capitalized ~~$15.2~~$24.2 million and ~~$11.4~~$23.2 million respectively, of internal costs to our qualifying redevelopment and development projects.

~~Acquisitions~~Capital Recycling Program. ~~During~~We continuously evaluate opportunities for the ~~year ended December 31, 2015, we acquired two development opportunities, one in Greater Seattle for a cash purchase price~~potential disposition of ~~approximately $49.5 million~~non-core properties and one in San Francisco for a cash purchase price of approximately $78.0 million. During 2014, we acquired five office buildings in two transactions for an aggregate purchase price of approximately $206.6 million and three undeveloped land ~~sites, including two adjacent land sites,~~ in ~~three transactions~~our portfolio or the formation of strategic ventures with ~~an aggregate purchase price~~the intent of ~~approximately $166.0 million. We generally~~recycling the proceeds generated into capital used to fund new operating and development acquisitions, to finance ~~our acquisitions through proceeds from the issuance of~~development and redevelopment expenditures, to repay long-term debt and ~~equity securities, borrowings under our unsecured revolving credit facility, proceeds from~~for other general corporate purposes. As part of this strategy, we attempt to enter into Section 1031 Exchanges and other tax deferred transaction structures, when possible, to defer some or all of the taxable gains on the sales, if any, for federal and state income tax purposes. See the “Liquidity and

Capital Resources of the Operating Partnership – Liquidity Sources” section for further discussion of our capital recycling ~~program, the assumption of existing debt and cash flows from operations.~~activities.

In connection with our capital recycling strategy, during 2018, we completed the sale of 11 office properties to unaffiliated third parties for total gross sales proceeds of $373.0 million. During 2017, we completed the sale of 11 office properties and one undeveloped land parcel to unaffiliated third parties for total gross sales proceeds of $186.6 million.

The timing of any potential future disposition or strategic venture transactions will depend on market conditions and other factors, including but not limited to our capital needs and our ability to defer some or all of the taxable gains on the sales. We cannot assure that we will dispose of any additional properties, enter into any additional strategic ventures, or that we will be able to identify and complete the acquisition of a suitable replacement property to effect a Section 1031 Exchange or be able to use other tax deferred structures in connection with our strategy. See the “Liquidity and Capital Resources of the Operating Partnership – Liquidity Sources” section for further information.

Acquisitions. As part of our growth strategy, which is highly dependent on market conditions and business cycles, among other factors, we continue to evaluate strategic opportunities and remain a disciplined buyer of development and redevelopment opportunities as well as value-add operating properties. We continue to focus on growth opportunities in West Coast markets populated by knowledge and creative based tenants in a variety of industries, including technology, media, healthcare, life sciences, entertainment and professional services. Against the backdrop of market volatility, we expect to

manage a strong balance sheet, execute on our development program and selectively evaluate opportunities that either add immediate Net Operating Income to our portfolio or play a strategic role in our future growth.

During the year ended December 31, 2018, we acquired fouroffice buildings in two transactions for a cash purchase price of $257.0 million. In addition, we acquired a 39-acre development site for a cash purchase price of approximately $308.2 million from an unrelated seller. During the year ended December 31, 2017, we acquired a 1.2 acre development site for $19.4 million in cash. We generally finance our acquisitions through proceeds from the issuance of debt and equity securities, borrowings under our unsecured revolving credit facility, proceeds from our capital recycling program, the assumption of existing debt and cash flows from operations.

We cannot provide assurance that we will enter into any agreements to acquire properties, or undeveloped land, or that the potential acquisitions contemplated by any agreements we may enter into in the future will be completed. In addition, acquisitions are subject to various risks and uncertainties and we may be unable to complete an acquisition after making a nonrefundable deposit or incurring acquisition-related costs.

~~Capital Recycling Program~~Incentive Compensation. ~~We continuously~~Our Executive Compensation Committee determines compensation, including cash bonuses and equity incentives, for our executive officers. For 2018, the annual cash bonus program was structured to allow the Executive Compensation Committee to evaluate ~~opportunities~~a variety of key quantitative and qualitative metrics at the end of the year and make a determination based on the Company’s and management’s overall performance. Our Executive Compensation Committee also grants equity incentive awards from time to time that include performance-based and/or market-measure based vesting requirements and time-based vesting requirements. As a result, accrued incentive compensation and compensation expense for ~~the potential disposition of properties and undeveloped land in~~future awards may be affected by our ~~portfolio with the intent of recycling the proceeds generated from the disposition of less-strategic properties or lower return assets into capital used to fund new~~ operating and development ~~acquisitions,~~performance, financial results, stock price, performance against applicable performance-based vesting goals, market conditions, liquidity measures, and other factors. Consequently, we cannot predict the amounts that will be recorded in future periods related to finance development and redevelopment expenditures, to repay long-term debt and for other general corporate purposes. As part of this strategy, we attempt to enter into Section 1031 Exchanges, when possible, to defer some or all of the taxable gains on the sales, if any, for federal and state income tax purposes.such incentive compensation.

In connection with our capital recycling strategy, during 2015, we completed the sale of ten office properties and one land parcel to unaffiliated third parties for total gross sales proceeds of $335.2 million. In addition, in January 2016, we completed the sale of four operating properties and one undeveloped land parcel that were held for sale asAs of December 31, ~~2015~~2018, there was approximately $60.5 million of total unrecognized compensation cost related to outstanding nonvested shares of restricted common stock and RSUs issued under share-based compensation arrangements. Those costs are expected to be recognized over a weighted-average period of 3.0 years. The $60.5 million of unrecognized compensation cost does not reflect the future compensation cost for total gross proceeds of $266.8 million. During 2014, we completed the sale of 17 properties and one undeveloped land parcel to unaffiliated third parties in six separate transactions for total gross sales proceeds of approximately $432.6 million.

~~The timing of~~ any potential share-based awards that may be issued subsequent to December 31, 2018. Share-based compensation expense for potential future ~~disposition transactions will depend on~~awards could be affected by our operating and development performance, financial results, stock price, performance against applicable performance-based vesting goals, market conditions and other factors, including but not limited to our capital needs and our ability to defer some or all of the taxable gains on the sales. We cannot assure that we will dispose of any additional properties or that we will be able to identify and complete the acquisition of a suitable replacement property to effect a Section 1031 Exchange.factors.

~~Leasing Activity and Changes in Rental Rates~~. The amount of net rental income generated by our properties depends principally on our ability to maintain the occupancy rates of currently leased space and to lease currently available space, newly developed or redeveloped properties, newly acquired properties with vacant space, and space available from unscheduled lease terminations. The amount of rental income we generate also depends on our ability to maintain or increase rental rates in our submarkets. Negative trends in one or more of these factors could adversely affect our rental income in future periods. The following tables set forth certain information regarding leasing activity for our stabilized portfolio during the ~~year~~ ~~ended~~ ~~December 31, 2015~~.

Information on Leases Commenced and Executed

Leasing Activity and Changes in Rental Rates. The amount of net rental income generated by our properties depends principally on our ability to maintain the occupancy rates of currently leased space and to lease currently available space, newly developed or redeveloped properties, newly acquired properties with vacant space, and space available from unscheduled lease terminations. The amount of rental income we generate also depends on our ability to maintain or increase rental rates in our submarkets. Negative trends in one or more of these factors could adversely affect our rental income in future periods. The following tables set forth certain information regarding leasing activity for our stabilized portfolio during the year ended December 31, 2018.

For Leases Commenced

1st & 2nd Generation ⁽¹⁾

2nd Generation ⁽¹⁾

Number of
Leases ⁽²⁾

Rentable
Square Feet ⁽²⁾

TI/LC per
Sq. Ft. ⁽³⁾

Changes in
Rents ⁽⁴⁾⁽⁵⁾

Changes in
Cash Rents ⁽⁶⁾

Retention Rates ⁽⁷⁾

Weighted Average Lease Term (in months)
New Renewal New Renewal
Year Ended December 31, 2015 81
72
915,773
627,783
$ 44.02
32.9 % 20.5 % 42.0 % 72



	1st & 2nd Generation ⁽¹⁾⁽²⁾						2nd Generation ⁽¹⁾⁽²⁾
	Number of Leases ⁽³⁾		Rentable Square Feet ⁽³⁾		Retention Rates ⁽⁴⁾		TI/LC per Sq. Ft. ⁽⁵⁾		TI/LC per Sq. Ft. / Year		Changes in Rents ⁽⁶⁾⁽⁷⁾		Changes in Cash Rents ⁽⁸⁾		Weighted Average Lease Term (in months)
	New	Renewal	New	Renewal	Retention Rates ⁽⁴⁾		TI/LC per Sq. Ft. ⁽⁵⁾		TI/LC per Sq. Ft. / Year		Changes in Rents ⁽⁶⁾⁽⁷⁾		Changes in Cash Rents ⁽⁸⁾		Weighted Average Lease Term (in months)
Year Ended December 31, 2018	79	58	1,033,085	1,161,596	49.1	%	$	47.09	$	7.24	25.4	%	10.7	%	78

For Leases Executed ^{(8) (9)}

1st & 2nd Generation ⁽¹⁾

2nd Generation ⁽¹⁾

Number of Leases ⁽²⁾

Rentable Square Feet ⁽²⁾

TI/LC per Sq. Ft. ⁽³⁾

Changes in
Rents ⁽⁴⁾⁽⁵⁾

Changes in
Cash Rents ⁽⁶⁾

Weighted Average Lease Term
(in months)
New Renewal New Renewal
Year Ended December 31, 2015 84
71
805,483
627,264
$ 38.88
33.0 % 22.3 % 66



	1st & 2nd Generation⁽¹⁾⁽²⁾				2nd Generation ⁽¹⁾⁽²⁾
	Number of Leases ⁽³⁾		Rentable Square Feet ⁽³⁾		TI/LC per Sq. Ft. ⁽⁵⁾		TI/LC Per Sq. Ft. / Year		Changes in Rents ⁽⁶⁾⁽⁷⁾		Changes in Cash Rents ⁽⁸⁾		Weighted Average Lease Term (in months)
	New	Renewal	New	Renewal	TI/LC per Sq. Ft. ⁽⁵⁾		TI/LC Per Sq. Ft. / Year		Changes in Rents ⁽⁶⁾⁽⁷⁾		Changes in Cash Rents ⁽⁸⁾		Weighted Average Lease Term (in months)
Year Ended December 31, 2018	89	58	1,667,447	1,161,596	$	56.90	$	7.11	36.0	%	14.8	%	96

_______________________


(1)	Includes 100% of consolidated property partnerships.


(2)	First generation leasing includes space where we have made capital expenditures that result in additional revenue generated when the space is re-leased. Second generation leasing includes space where we have made capital expenditures to maintain the current market revenue stream.


~~(2)~~(3)	Represents leasing activity for leases that commenced or were signed during the period, including first and second generation space, net of month-to-month leases. Excludes leasing on new construction.


~~(3)~~(4)	~~Amounts~~Calculated as the percentage of space either renewed or expanded into by existing tenants or subtenants at lease expiration.


(5)	Tenant improvements and leasing commissions per square foot exclude tenant-funded tenant improvements.


~~(4)~~(6)	Calculated as the change between GAAP rents for new/renewed leases and the expiring GAAP rents for the same space. Excludes leases for which the space was vacant longer than one year or vacant when the property was acquired.

~~(5)~~(7)

Excludes commenced and executed leases of approximately ~~235,255~~471,880 and ~~and 170,910~~386,587 rentable square feet, respectively, for the year ended December 31, ~~2015~~2018, for which the space was vacant longer than one year or being leased for the first time. Space vacant for more than one year is excluded from our change in rents calculations to provide a more meaningful market comparison.


~~(6)~~(8)	Calculated as the change between stated ~~cash~~ rents for new/renewed leases and the expiring stated rents for the same space. Excludes leases for which the space was vacant longer than one year or vacant when the property was acquired.


~~(7)~~	~~Calculated as the percentage of space either renewed or expanded into by existing tenants or subtenants at lease expiration.~~


~~(8)~~(9)	For the year ended December 31, ~~2015, 23~~2018, 38 new leases totaling ~~258,670~~1,138,133 rentable square feet were signed but not commenced as of December 31, ~~2015.~~2018.

As of December 31, ~~2015,~~2018, we believe that the weighted average cash rental rates for our total stabilized portfolio, ~~including recently acquired operating properties,~~ are approximately ~~15%~~20% below the current average market rental ~~rates, although individual~~rates. Individual properties within any particular submarket presently may be leased either above, below, or at the current market rates within that submarket, and the average rental rates for individual submarkets may be above, below, or at the average cash rental rate of our portfolio.

~~In general, market rental rates have continued to increase in the majority of our submarkets over the last several quarters.~~ Our rental rates and occupancy are impacted by general economic conditions, including the pace of regional economic growth and access to capital. Therefore, we cannot give any assurance that leases will be renewed or that available space will be re-leased at rental rates equal to or above the current market rates. Additionally, decreased demand and other negative trends or unforeseeable events that impair our ability to timely renew or re-lease space could have further negative effects on our future financial condition, results of operations, and cash flows.

Scheduled Lease Expirations. The following ~~table sets~~tables set forth certain information regarding our lease expirations for our stabilized portfolio for the next five years and by region for the next two years.

Lease Expirations ⁽¹⁾


Year of Lease Expiration	Number of Expiring Leases	Total Square Feet	% of Total Leased Sq. Ft.		Annualized Base Rent ⁽²⁾		% of Total Annualized Base Rent⁽²⁾		Annualized Base Rent per Sq. Ft. ⁽²⁾		Number of Expiring Leases	Total Square Feet	% of Total Leased Sq. Ft.		Annualized Base Rent ⁽²⁾⁽³⁾		% of Total Annualized Base Rent⁽²⁾		Annualized Base Rent per Sq. Ft. ⁽²⁾
2016	94	700,875	5.8	%	$	20,844	4.3	%	$	29.74
2017	104	1,260,852	10.4	%	47,192		9.9	%	37.43
2018	75	1,361,052	11.2	%	54,644		11.4	%	40.15
2019	88	1,534,421	12.6	%	56,113		11.7	%	36.57		98	1,410,267	11.5	%	$	63,201	11.0	%	$	44.81
2020	89	1,899,476	15.7	%	71,094		14.9	%	37.43		96	1,445,161	11.8	%	58,889		10.2	%	40.75
2021											83	862,910	7.0	%	37,914		6.6	%	43.94
2022											52	639,915	5.2	%	27,523		4.7	%	43.01
2023											71	1,271,112	10.4	%	66,383		11.5	%	52.22
Total	450	6,756,676	55.7	%	$	249,887	52.2	%	$	36.98	400	5,629,365	45.9	%	$	253,910	44.0	%	$	45.10



Year	Region	# of Expiring Leases	Total Square Feet	% of Total Leased Sq. Ft.		Annualized Base Rent ⁽²⁾⁽³⁾		% of Total Annualized Base Rent ⁽²⁾		Annualized Rent per Sq. Ft. ⁽²⁾
2019 ⁽⁴⁾	Greater Los Angeles	52	279,163	2.3	%	$	9,533	1.7	%	$	34.15
	Orange County	5	74,181	0.6	%	3,137		0.5	%	42.29
	San Diego	16	174,063	1.4	%	6,648		1.2	%	38.19
	San Francisco Bay Area	16	721,554	5.9	%	38,313		6.6	%	53.10
	Greater Seattle	9	161,306	1.3	%	5,570		1.0	%	34.53
	Total	98	1,410,267	11.5	%	$	63,201	11.0	%	$	44.81

2020	Greater Los Angeles	49	457,339	3.8	%	$	18,372	3.2	%	$	40.17
	Orange County	5	38,526	0.3	%	1,238		0.2	%	32.13
	San Diego	16	263,513	2.1	%	10,455		1.8	%	39.68
	San Francisco Bay Area	21	566,361	4.6	%	26,263		4.6	%	46.37
	Greater Seattle	5	119,422	1.0	%	2,561		0.4	%	21.44
	Total	96	1,445,161	11.8	%	$	58,889	10.2	%	$	40.75

________________________

(1)

~~The information presented for all lease expiration activity reflects leasing activity through December 31, 2015 for our stabilized portfolio.~~

For leases that have been renewed early ~~or space that has been re-leased to a new tenant,~~with existing tenants, the expiration date and annualized base rent information presented takes into consideration the renewed ~~or re-leased~~ lease terms. Excludes leases not commenced as of December 31, 2018, space leased under month-to-month leases, ~~intercompany~~storage leases, vacant space and future lease renewal options not executed as of December 31, ~~2015.~~2018.

(2)

Annualized base rent includes the impact of straight-lining rent escalations and the amortization of free rent periods and excludes the impact of the following: amortization of deferred revenue related tenant-funded tenant improvements, amortization of above/below market rents, amortization for lease incentives due under existing leases, and expense reimbursement revenue. Additionally, the underlying leases contain various expense structures including full service gross, modified gross and triple net. Percentages represent percentage of total portfolio annualized contractual base rental revenue. For additional information on tenant improvement and leasing commission costs incurred by the Company for the current reporting period, please see further discussion under the caption “Information on Leases Commenced and Executed.”


(3)	Includes 100% of annualized base rent of consolidated property partnerships.


(4)	Adjusting for leases executed as of December 31, 2018 but not yet commenced, the 2019 expirations would be reduced by 929,141 square feet.

In addition to the 0.7 millionrentable square feet, or ~~5.2%~~5.6%, of currently available space in our stabilized portfolio, leases representing approximately ~~5.8%~~11.5% and ~~10.4%~~11.8% of the occupied square footage of our stabilized portfolio are scheduled to expire during ~~2016~~2019 and ~~2017,~~2020, respectively. The leases scheduled to expire in ~~2016~~2019 and ~~2017~~2020 represent approximately ~~2.0~~2.9 million rentable square feet, or ~~14.2%~~21.2%, of our total annualized base rental revenue. ~~We believe that the weighted average cash rental rates are approximately 15% under the current average market rental rates for leases scheduled to expire during 2016 and 2017, although individual~~Individual properties within any particular submarket presently may be leased either above, below, or at the current quoted market rates within that ~~submarket, and the average rental rates for individual submarkets may be above, below, or at the average cash rental rate of our overall portfolio.~~submarket. Our ability to re-lease available space depends upon both general market conditions and the market conditions in the specific regions in which individual properties are located.

~~Incentive Compensation~~. Our Executive Compensation Committee determines compensation, including cash bonuses and equity incentives, for our executive officers. For 2015, the annual cash bonus program was structured to allow the Executive Compensation Committee to evaluate a variety of key quantitative and qualitative metrics and make a determination based on the Company’s and management’s overall performance. Our Executive Compensation Committee also grants equity incentive awards that include performance-based and market-measure based vesting requirements and/or time-based vesting requirements. As a result, accrued incentive compensation and compensation expense for future awards may be affected by our operating and development performance, financial results, stock price, performance against applicable performance-based vesting goals, market conditions and other factors. Consequently, we cannot predict the amounts that will be recorded in future periods related to such incentive compensation.

Approximately 1.4 million rentable square feet, or 11.0%, of our total annualized base rental revenue is scheduled to expire in 2019. As of December 31, ~~2015, there was~~2018, we had executed leases for 0.9 million rentable square feet of the expiring 1.4 million rentable square feet. For the 0.9 million leased rentable square feet, we believe that the weighted average cash rental rates are approximately ~~$31.2~~15.0% below market. We believe the weighted average cash rental rates for the remaining 0.5 million ~~of total unrecognized compensation cost related to outstanding nonvested shares of restricted common stock, RSUs and stock options issued under share-based compensation arrangements. Those costs~~expiring rentable feet are expected to be recognized over a weighted-average period of 1.9 years. The $31.2 million of unrecognized compensation cost does not reflect the future compensation cost for any share-based awards issued subsequent to December 31, 2015. Share-based compensation expense for potential future awards could be affected by our operating and development performance, financial results, stock price, performance against applicable performance-based vesting goals,approximately 25% below current average market ~~conditions and other factors.~~rental rates.

For the approximately 1.4 million rentable square feet, or 10.2%, of our total annualized base rental revenue scheduled to expire in 2020, we believe that the weighted average cash rental rates for our overall portfolio are approximately 20% below current average market rental rates.

Stabilized Portfolio Information

As of December 31, ~~2015~~,2018, our stabilized portfolio was comprised of ~~101~~94 office properties encompassing an aggregate of approximately ~~13.0~~13.2 million rentable square ~~feet.~~feet and 200 residential units at our residential tower in Hollywood, California. Our stabilized portfolio includes all of our properties with the exception of development and redevelopment properties currently committed for construction, under construction or ~~committed for construction, “lease-up” properties,~~in the tenant improvement phase, undeveloped land and real estate assets held for ~~sale, and undeveloped land.~~sale. We define redevelopment properties as those properties for which we expect to spend significant development and construction costs on the existing or acquired buildings pursuant to a formal plan, the intended result of which is a higher economic return on the property. We define ~~“lease-up”~~ properties in the tenant improvement phase as properties that we ~~recently developed~~are developing or ~~redeveloped that have not yet~~redeveloping where the project has reached cold shell condition and is ready for tenant improvements, which may require additional major base building construction before being placed in service. Projects in the tenant improvement phase are added to our stabilized portfolio once the project reaches the earlier of 95% occupancy ~~and are within~~or one year ~~following~~from the date of the cessation of major base building construction activities. AsCosts capitalized to construction in progress for development and redevelopment properties are transferred to land and improvements, buildings and improvements, and deferred leasing costs on our consolidated balance sheets as the historical cost of ~~December 31, 2015, we had one development project~~the property as the projects are placed in ~~the “lease-up” phase.~~ service.

We ~~also had four operating properties and one land parcel classified as~~did not have any redevelopment or held for sale ~~as of~~ properties at December 31, ~~2015~~.2018. Our stabilized portfolio also excludes our ~~near-term and~~ future development pipeline, which as of December 31, ~~2015~~2018 was comprised of ~~ten~~five potential development sites, representing approximately 9973 gross acres of undeveloped land on which we believe we have the potential to develop ~~over~~more than 5.0 million rentable square feet, ~~of office space,~~ depending upon economic conditions.

As of December 31, ~~2015~~,2018, the following properties were excluded from our stabilized portfolio:

Number of
Properties/Projects

Estimated Rentable
Square Feet
Properties held for sale ⁽¹⁾
4 465,812
Development projects in “lease-up” ⁽²⁾
1 73,000
Development projects under construction ⁽²⁾
5 1,910,000



	Number of Properties/Projects	Estimated Rentable Square Feet ⁽¹⁾
In-process development projects - tenant improvement ⁽²⁾	2	1,150,000
In-process development projects - under construction ⁽³⁾	3	1,290,000

________________________


(1)	Includes four properties located in the Del Mar submarket of San Diego, California. See Note 4 “Dispositions and Real Estate Assets Held for Sale” to our consolidated financial statements included in this report for additional information.Estimated rentable square feet upon completion.


(2)	~~Excludes 2015 property acquisitions.~~Includes 88,000 square feet of Production, Distribution, and Repair (“PDR”) space.


(3)	In addition to the estimated office and PDR rentable square feet noted above, development projects under construction also include 96,000 square feet of retail space and 801 residential units.

The following table reconciles the changes in the rentable square feet in our stabilized office portfolio of operating properties from December 31, ~~2014~~2017 to December 31, ~~2015~~:2018:

Number of
Buildings

Rentable
Square Feet
Total as of December 31, 2014 111
14,096,617
Completed development properties placed in-service 4
448,504
Dispositions and properties held for sale at December 31, 2015 (14 ) (1,512,206 )
Remeasurement —
(509 )
Total as of December 31, 2015 101
13,032,406



	Number of Buildings		Rentable Square Feet
Total as of December 31, 2017	101		13,720,597
Acquisitions	4		255,560
Dispositions	(11	)	(772,246	)
Remeasurement	—		28,669
Total as of December 31, 2018⁽¹⁾	94		13,232,580

________________________


(1)	Includes four properties owned by consolidated property partnerships (see Note 2 “Basis of Presentation and Significant Accounting Policies” to our consolidated financial statements included in this report for additional information).

Occupancy Information

The following table sets forth certain information regarding our stabilized portfolio:

Stabilized Portfolio Occupancy


Region	Number of Buildings	Rentable Square Feet	Occupancy at ⁽¹⁾						Number of Buildings	Rentable Square Feet	Occupancy at ⁽¹⁾
Region	Number of Buildings	Rentable Square Feet	12/31/2015		12/31/2014		12/31/2013		Number of Buildings	Rentable Square Feet	12/31/2018		12/31/2017		12/31/2016
Los Angeles and Ventura Counties	29	3,614,031	95.1	%	92.8	%	93.7	%
Greater Los Angeles									33	3,956,497	95.1	%	93.3	%	95.0	%
Orange County	1	271,556	94.0	%	98.7	%	92.8	%	1	271,556	89.6	%	86.6	%	97.8	%
San Diego County	33	2,851,140	89.6	%	90.9	%	90.8	%	21	2,045,941	89.3	%	97.4	%	93.2	%
San Francisco Bay Area	26	4,229,540	98.1	%	97.3	%	94.8	%	31	5,160,569	96.4	%	96.1	%	97.6	%
Greater Seattle	12	2,066,139	95.1	%	98.1	%	96.7	%	8	1,798,017	93.6	%	95.4	%	97.2	%
Total Stabilized Portfolio	101	13,032,406	94.8	%	94.4	%	93.4	%	94	13,232,580	94.4	%	95.2	%	96.0	%


	Average Occupancy				Average Occupancy
	Year Ended December 31,				Year Ended December 31,
	2015		2014		2018		2017
Stabilized Portfolio ⁽¹⁾	95.6	%	93.5	%	94.1	%	94.1	%
Same Store Portfolio ⁽²⁾	95.0	%	94.6	%	94.1	%	94.5	%
Residential Portfolio⁽³⁾					79.7	%	70.2	%


(1)	Occupancy percentages reported are based on our stabilized office portfolio as of the end of the period ~~presented.~~presented and exclude occupancy percentages of properties held for sale.


(2)	Occupancy percentages reported are based on office properties owned and stabilized as of January 1, ~~2014~~2017 and still owned and stabilized as of December 31, ~~2015.~~2018. See discussion under “Results of Operations” for additional information.


(3)	Our residential portfolio consists of our 200-unit residential tower located in Hollywood, California.

~~Current Regional Information~~

The West Coast real estate markets in which we operate are among the strongest in the nation, led by exceptional growth in demand and absorption particularly in the San Francisco Bay Area and Greater Seattle.

~~San Francisco Bay Area.~~ ~~In 2015, the San Francisco Bay Area~~market outperformed all other real estate markets on the West Coast and across the country with the technology sector continuing to drive growth. Rental growth remains strong as supply of large blocks of space remains limited. As of December 31, 2015, our San Francisco Bay Area stabilized portfolio of 4.2 million rentable square feet was 98.1% occupied with approximately 81,000 available rentable square feet compared to 97.3% occupied with approximately 104,000 available rentable square feet as of December 31, 2014. As of January 31, 2016, we were 99.2% leased in the San Francisco Bay Area.

As of December 31, 2015, leases representing an aggregate of approximately 94,000 and 278,000 rentable square feet are scheduled to expire during 2016 and 2017, respectively, in this region. The aggregate rentable square feet under leases scheduled to expire during 2016 and 2017 represents approximately 3.1% of our occupied rentable square feet and 3.6% of our annualized base rental revenues in our total stabilized portfolio as of December 31, 2015.

~~Greater Seattle.~~ ~~The Greater Seattle market continued to strengthen in 2015, with demand pushing asking rents in Greater Seattle to their highest level in a decade.~~ As of December 31, 2015, our Greater Seattle stabilized portfolio of 2.1 million rentable square feet was 95.1% occupied with approximately 102,000 available rentable square feet compared to 98.1% occupied with approximately 43,000 available rentable square feet as of December 31, 2014. As of January 31, 2016, we were 98.0% leased in Greater Seattle.

As of December 31, 2015, leases representing an aggregate of approximately 80,000 and 247,000 rentable square feet are scheduled to expire during 2016 and 2017, respectively, in this region. The aggregate rentable square feet under leases scheduled to expire during 2016 and 2017 represents approximately 2.7% of our occupied rentable square feet and 2.1% of our annualized base rental revenues in our total stabilized portfolio as of December 31, 2015.

~~San Diego County.~~ San Diego continued to show increases in rental rates during 2015 driven by steady business expansion with limited new supply of modern office space. Our San Diego County stabilized portfolio of 2.9 million rentable square feet was 89.6% occupied with approximately 296,000 available rentable square feet as of December 31, 2015 compared to 90.9% occupied with approximately 386,000 available rentable square feet as of December 31, 2014. As of January 31, 2016, our San Diego portfolio was 90.9% leased.

As of December 31, 2015, leases representing an aggregate of approximately 204,000 and 193,000 rentable square feet are scheduled to expire during 2016 and 2017, respectively, in this region. The aggregate rentable square feet under leases scheduled to expire during 2016 and 2017 represents approximately 3.3%~~of our occupied rentable square feet and 2.3% of our annualized base rental revenues in our total stabilized portfolio as of December 31, 2015.~~

~~Los Angeles and Ventura Counties.~~ During 2015, the Los Angeles market continued to strengthen, particularly in markets attractive to creative services and entertainment, which are seeing the largest rental increases. Our Los Angeles and Ventura Counties stabilized portfolio of 3.6 million rentable square feet was 95.1% occupied with approximately 178,000 available rentable square feet as of December 31, 2015 compared to 92.8% occupied with approximately 252,000 available rentable square feet as of December 31, 2014. Across our Los Angeles and Ventura Counties portfolio, as of January 31, 2016, we were 95.8% leased.

As of December 31, 2015, leases representing an aggregate of approximately 310,000 and 481,000 rentable square feet are scheduled to expire during 2016 and 2017, respectively, in this region. The aggregate rentable square feet under the leases scheduled to expire in this region during 2016 and in 2017 represent approximately 6.5% of our occupied rentable square feet and 5.6% of our annualized base rental revenues in our total stabilized portfolio as of December 31, 2015.

Results of Operations

Comparison of the Year Ended December 31, ~~2015~~2018 to the Year Ended December 31, ~~2014~~2017

Net Operating Income

Management internally evaluates the operating performance and financial results of our stabilized portfolio based on Net Operating ~~Income from continuing operations.~~Income. We define “Net Operating Income” as consolidated operating revenues (rental income, tenant reimbursements and other property income) less consolidated operating expenses (property expenses, real estate taxes, provision for bad debts and ground leases).

Net Operating Income ~~from continuing operations~~ is considered by management to be an important and appropriate supplemental performance measure to net income ~~(loss)~~ because we believe it helps both investors and management to understand the core operations of our properties excluding corporate and financing-related costs and ~~noncash~~non-cash depreciation and amortization. Net Operating Income is an unlevered operating performance metric of our properties and allows for a useful comparison of the operating performance of individual assets or groups of assets. This measure thereby provides an operating perspective not immediately apparent from GAAP income ~~(loss)~~ from operations or net ~~income (loss).~~income. In addition, Net Operating Income is considered by many in the real estate industry to be a useful starting point for determining the value of a real estate asset or group of assets. Other real estate companies may use different methodologies for calculating Net Operating Income, and accordingly, our presentation of Net Operating Income may not be comparable to other real estate companies. Because of the exclusion of the items shown in the reconciliation below, Net Operating Income should only be used as a supplemental measure of our financial performance and not as an alternative to GAAP income ~~(loss)~~ from operations or net ~~income (loss).~~

As a result of the Company’s adoption of the new discontinued operations accounting guidance (see Note 2 “Basis of Presentation and Significant Accounting Policies” to our consolidated financial statements included in this report for additional information), for the year ended December 31, 2015, Net Operating Income includes the Net Operating Income for the ten properties disposed of in 2015 and the four properties held for sale at December 31, 2015. For the years ended December 31, 2014 and December 31, 2013, Net Operating income from continuing operations does not include the Net Operating Income for properties held for sale or disposed of because properties classified as held for sale and/or disposed of prior to January 1, 2015 continue to be presented in discontinued operations for prior periods presented.income.

Management further evaluates Net Operating Income by evaluating the performance from the following property groups:

Same Store Properties – ~~which~~ includes the consolidated results of all of the office properties that were owned and included in our stabilized portfolio for two comparable reporting periods, i.e., owned and included in our stabilized portfolio as of January 1, ~~2014~~2017 and still owned and included in the stabilized portfolio as of December 31, ~~2015~~;2018, including our residential tower in Hollywood, California;

~~Stabilized~~ Development ~~and Redevelopment~~ Properties – ~~which~~ includes the results generated by one office development project that was added to the ~~following:~~stabilized portfolio in the first quarter of 2017 and our in-process and future development projects, including a project in the tenant improvement phase at which revenue recognition commenced in the fourth quarter of 2018;


◦	~~Two office development projects comprising four office buildings that were completed and stabilized in the fourth quarter of 2015;~~


◦	~~One office development project comprising two office buildings that was completed and stabilized in the fourth quarter of 2014;~~


◦	~~One office development project consisting of three office buildings that was completed and stabilized in the third quarter of 2014; and~~


◦	~~One office redevelopment property that was stabilized in the first quarter of 2014 following its one year lease-up period.~~

~~2014~~ Acquisition Properties – ~~which~~ includes the results, from the dates of acquisition through the periods presented, for the ~~five~~four office buildings we acquired during ~~2014;~~2018; and

~~2015~~ Disposition ~~and Held for Sale~~ Properties ~~and Other~~ – ~~which~~ includes the results ~~for both periods presented~~ of the ~~ten~~eleven properties disposed of in ~~2015,~~ the ~~four~~fourth quarter of 2018 and the eleven properties ~~held for sale at December 31, 2015, and expenses for certain~~disposed of ~~our in-process, near-term and future development projects.~~in 2017.

The following table sets forth certain information regarding the property groups within our stabilized office portfolio as of December 31, ~~2015~~:2018.


Group	# of Buildings	Rentable Square Feet	# of Buildings	Rentable Square Feet
Same Store Properties	86	10,818,177	87	12,611,661
Stabilized Development and Redevelopment Properties	10	1,806,642
2014 Acquisition Properties	5	407,587
Development Properties - Stabilized ⁽¹⁾			3	365,359
Acquisition Properties			4	255,560
Total Stabilized Portfolio	101	13,032,406	94	13,232,580

________________________


(1)	Excludes development projects in the tenant improvement phase, our in-process development projects and future development projects.

The following ~~tables summarize the~~table summarizes our Net Operating Income, as defined, for our total portfolio for the years ended December 31, ~~2015~~2018 and ~~2014~~2017.

Year Ended December 31,
Dollar
Change

Percentage
Change
2015 2014
($ in thousands)
Reconciliation to Net Income:
Net Operating Income, as defined $ 422,033
$ 372,881
$ 49,152
13.2 %
Unallocated (expense) income:
General and administrative expenses (48,265 ) (46,152 ) (2,113 ) 4.6
Acquisition-related expenses (497 ) (1,479 ) 982
(66.4 )
Depreciation and amortization (204,294 ) (202,417 ) (1,877 ) 0.9
Interest income and other net investment gains 243
561
(318 ) (56.7 )
Interest expense (57,682 ) (67,571 ) 9,889
(14.6 )
Gains on sale of land, net 17,116
3,490
13,626
390.4
Gains on sales of depreciable operating properties 109,950
—
109,950
100.0
Income from continuing operations 238,604
59,313
179,291
302.3
Income from discontinued operations ⁽¹⁾
—
124,495
(124,495 ) (100.0 )
Net income $ 238,604
$ 183,808
$ 54,796
29.8 %



	Year Ended December 31,						Dollar Change			Percentage Change
	2018			2017			Dollar Change			Percentage Change
	($ in thousands)
Reconciliation of Net Income Available to Common Stockholders to Net Operating Income, as defined:
Net Income Available to Common Stockholders	$	258,415		$	151,249		$	107,166		70.9	%
Preferred dividends	—			5,774			(5,774		)	(100.0	)
Original issuance costs of redeemed preferred stock	—			7,589			(7,589		)	(100.0	)
Net income attributable to Kilroy Realty Corporation	258,415			164,612			93,803			57.0
Net income attributable to noncontrolling common units of the Operating Partnership	5,193			3,223			1,970			61.1
Net income attributable to noncontrolling interests in consolidated property partnerships	14,318			12,780			1,538			12.0
Net income	$	277,926		$	180,615		$	97,311		53.9	%
Unallocated expense (income):
General and administrative expenses	90,471			60,581			29,890			49.3
Depreciation and amortization	254,281			245,886			8,395			3.4
Interest income and other net investment loss (gain)	559			(5,503		)	6,062			(110.2	)
Interest expense	49,721			66,040			(16,319		)	(24.7	)
Loss on early extinguishment of debt	12,623			5,312			7,311			137.6
Net gain on sales of land	(11,825		)	(449		)	(11,376		)	2,533.6
Gains on sales of depreciable operating properties	(142,926		)	(39,507		)	(103,419		)	261.8
Net Operating Income, as defined	$	530,830		$	512,975		$	17,855		3.5	%

~~________________________~~

~~(1)~~

The Company adopted ASU 2014-08 effective January 1, 2015 (see Note 2 “Basis of Presentation and Significant Accounting Policies” to our consolidated financial statements included in this report for additional information). As a result, results of operations for properties classified as held for sale and/or disposed of subsequent to January 1, 2015 are presented in continuing operations. Prior to January 1, 2015, properties classified as held for sale and/or disposed of are presented in discontinued operations.

The following tables summarize ~~the~~our Net Operating Income, as defined, for our total portfolio for the years ended December 31, ~~2015~~2018 and ~~2014.~~2017.

Year Ended December 31,
2015 2014

Same
Store
Stabilized Develop-ment & Redevel-opment
2014
Acquisitions
2015 Held for Sale Disposi-tions & Other Total
Same
Store
Stabilized Develop-ment & Redevel-opment
2014
Acquisitions
2015 Held for Sale Disposi-tions & Other Total
(in thousands) (in thousands)
Operating revenues:
Rental income $ 411,089
$ 73,949
$ 15,621
$ 24,696
$ 525,355
$ 392,567
$ 31,625
$ 7,153
$ 34,983
$ 466,328
Tenant reimbursements 37,144
9,827
2,566
4,237
53,774
38,673
1,850
593
5,601
46,717
Other property income 2,021
112
—
13
2,146
8,498
2
—
180
8,680
Total 450,254
83,888
18,187
28,946
581,275
439,738
33,477
7,746
40,764
521,725
Property and related expenses:
Property expenses 93,868
6,049
1,054
4,407
105,378
91,526
3,529
289
5,170
100,514
Real estate taxes 35,851
9,546
1,328
3,498
50,223
36,516
3,569
336
4,776
45,197
Provision for bad debts 695
(98 ) —
(52 ) 545
(103 ) 98
—
63
58
Ground leases 3,096
—
—
—
3,096
3,075
—
—
—
3,075
Total 133,510
15,497
2,382
7,853
159,242
131,014
7,196
625
10,009
148,844
Net Operating Income, as defined $ 316,744
$ 68,391
$ 15,805
$ 21,093
$ 422,033
$ 308,724
$ 26,281
$ 7,121
$ 30,755
$ 372,881


	Year Ended December 31, 2015 as compared to the Year Ended December 31, 2014																								Year Ended December 31,
	Same Store					Stabilized Development & Redevelopment					2014 Acquisitions				2015 Held for Sale, Dispositions & Other					Total					2018											2017
	Dollar Change			Percent Change		Dollar Change			Percent Change		Dollar Change		Percent Change		Dollar Change			Percent Change		Dollar Change			Percent Change		Same Store		Develop-ment		Acquisitions		Disposi-tions			Total		Same Store		Develop-ment		Acquisitions		Disposi-tions		Total
															($ in thousands)										(in thousands)											(in thousands)
Operating revenues:																									Operating revenues:
Rental income	$	18,522		4.7	%	$	42,324		133.8	%	$	8,468	118.4	%	$	(10,287	)	(29.4	)%	$	59,027		12.7	%	$	596,479	$	31,426	$	6,458	$	22,268		$	656,631	$	577,084	$	21,380	$	—	$	35,432	$	633,896
Tenant reimbursements	(1,529		)	(4.0	)	7,977			431.2		1,973		332.7		(1,364		)	(24.4	)	7,057			15.1		73,094		1,230		1,378		5,280			80,982		69,659		—		—		6,900		76,559
Other property income	(6,477		)	(76.2	)	110			5,500.0		—		—		(167		)	(92.8	)	(6,534		)	(75.3	)	9,243		11		210		221			9,685		7,221		1,013		—		312		8,546
Total	10,516			2.4		50,411			150.6		10,441		134.8		(11,818		)	(29.0	)	59,550			11.4		678,816		32,667		8,046		27,769			747,298		653,964		22,393		—		42,644		719,001
Property and related expenses:	Property and related expenses:																								Property and related expenses:
Property expenses	2,342			2.6		2,520			71.4		765		264.7		(763		)	(14.8	)	4,864			4.8		121,663		6,025		598		5,501			133,787		117,816		4,279		—		7,876		129,971
Real estate taxes	(665		)	(1.8	)	5,977			167.5		992		295.2		(1,278		)	(26.8	)	5,026			11.1		62,648		4,168		1,072		2,932			70,820		58,554		3,552		—		4,343		66,449
Provision for bad debts	798			(774.8	)	(196		)	(200.0	)	—		—		(115		)	(182.5	)	487			839.7		5,742		17		—		(74		)	5,685		2,962		—		—		307		3,269
Ground leases	21			0.7		—			—		—		—		—			—		21			0.7		6,176		—		—		—			6,176		6,337		—		—		—		6,337
Total	2,496			1.9		8,301			115.4		1,757		281.1		(2,156		)	(21.5	)	10,398			7.0		196,229		10,210		1,670		8,359			216,468		185,669		7,831		—		12,526		206,026
Net Operating Income, as defined	$	8,020		2.6	%	$	42,110		160.2	%	$	8,684	121.9	%	$	(9,662	)	(31.4	)%	$	49,152		13.2	%	$	482,587	$	22,457	$	6,376	$	19,410		$	530,830	$	468,295	$	14,562	$	—	$	30,118	$	512,975



	Year Ended December 31, 2018 as compared to the Year Ended December 31, 2017
	Same Store					Development					Acquisitions				Dispositions					Total
	Dollar Change			Percent Change		Dollar Change			Percent Change		Dollar Change		Percent Change		Dollar Change			Percent Change		Dollar Change			Percent Change
	($ in thousands)
Operating revenues:
Rental income	$	19,395		3.4	%	$	10,046		47.0	%	$	6,458	100.0	%	$	(13,164	)	(37.2	)%	$	22,735		3.6	%
Tenant reimbursements	3,435			4.9		1,230			100.0		1,378		100.0		(1,620		)	(23.5	)	4,423			5.8
Other property income	2,022			28.0		(1,002		)	(98.9	)	210		100.0		(91		)	(29.2	)	1,139			13.3
Total	24,852			3.8		10,274			45.9		8,046		100.0		(14,875		)	(34.9	)	28,297			3.9
Property and related expenses:
Property expenses	3,847			3.3		1,746			40.8		598		100.0		(2,375		)	(30.2	)	3,816			2.9
Real estate taxes	4,094			7.0		616			17.3		1,072		100.0		(1,411		)	(32.5	)	4,371			6.6
Provision for bad debts	2,780			93.9		17			100.0		—		—		(381		)	(124.1	)	2,416			73.9
Ground leases	(161		)	(2.5	)	—			—		—		—		—			—		(161		)	(2.5	)
Total	10,560			5.7		2,379			30.4		1,670		100.0		(4,167		)	(33.3	)	10,442			5.1
Net Operating Income, as defined	$	14,292		3.1	%	$	7,895		54.2	%	$	6,376	100.0	%	$	(10,708	)	(35.6	)%	$	17,855		3.5	%

Net Operating Income increased ~~$49.2~~$17.9 million, or ~~13.2%~~3.5%, for the year ended December 31, ~~2015~~2018 as compared to the year ended December 31, ~~2014~~2017 primarily resulting from:

An increase of ~~$42.1 million attributable to the Stabilized Development and Redevelopment Properties primarily due to the following:~~

~~$6.3 million increase from the properties completed and/or stabilized in the fourth quarter of 2015;~~

~~$13.8 million increase from the properties completed and/or stabilized in the fourth quarter of 2014;~~

~~$18.6 million increase from the properties completed and/or stabilized in the third quarter of 2014; and~~

~~$3.4 million increase from the properties completed and/or stabilized in the first quarter of 2014;~~

~~An increase of $8.0~~$14.3 million attributable to the Same Store Properties primarily resulting from:

An increase in rental income of ~~$18.5~~$19.4 million primarily due to the following:


◦	$~~16.7~~20.2 million increase due primarily to new leases and renewals at higher overall average rental rates ~~and increased occupancy;~~across all regions; partially offset by


◦	$~~1.0~~0.6 million decrease due to lower occupancy primarily resulting from lease expirations for one tenant in the Greater Seattle region and one tenant in the San Diego region;

An increase in tenant reimbursements of $3.4 million primarily due to:


◦	$2.6 million increase due to ~~amortization of tenant funded improvements revenue;~~higher recurring expenses related to security, parking, janitorial, contract services, insurance and repairs and maintenance at certain properties;


◦	$~~1.0~~0.6 million increase due to $1.2 million of higher annual property taxes in ~~parking income resulting from increased occupancy and rates at certain of our buildings;~~

~~A partially offsetting decrease in tenant reimbursements of $1.5 million primarily due to base year resets for a number of tenants across the portfolio;~~

A partially offsetting decrease in other property income of $6.5 million due to $6.8 million of lease termination fees, primarily related to one tenant, that were recognized during the year ended December 31, 2014; and

~~A partially offsetting increase in property and related expenses of $2.5 million primarily resulting from:~~

~~An increase of $2.3 million inproperty expenses primarily resulting from:~~


◦	~~$3.3~~2018 primarily in the Greater Seattle region; offset by $0.6 million ~~increase~~lower supplemental taxes primarily due to two properties in ~~certain recurring operating costs related to security, parking, other contract services, repairs and maintenance, and various other reimbursable expenses;~~the San Francisco Bay area;


◦	~~A partially offsetting decrease of $1.0~~$0.8 million increase due to ~~a property damage settlement received~~new triple net tenants replacing base year tenants and higher occupancy primarily in ~~2015~~the Greater Seattle region; offset by


◦	$0.6 million decrease due to higher abated tenant reimbursements as compared to the prior year in addition to decreased tenant reimbursements related to base year adjustments;

An increase in other property income of $2.0 million primarily due to higher early lease termination fees for three leases each in different regions, partially offset by

An increase in property and related expenses of $10.6 million primarily resulting from:

An increase of $3.8 million in property expenses primarily resulting from:


◦	$4.5 million increase in certain recurring operating costs due to increased demand and ~~lower~~higher rates related to security, parking, janitorial, contract services and insurance, as well as higher repairs and maintenance and various other reimbursable expenses; offset by


◦	$0.6 million decrease in non-reimbursable expenses primarily due to non-recurring ~~legal fees~~parking costs incurred in ~~2015; and~~2017;

An increase of ~~$0.8~~$4.1 million in real estate taxes primarily due to:


◦	$2.4 million increase in supplemental taxes primarily due to a reduction in 2017 supplemental taxes at one property that was redeveloped in 2013;


◦	$1.6 million from regular annual property tax increases in 2018;

An increase of $2.8 million in provision for bad debts primarily due to a provision recorded for one tenant partially offset by a decrease in the provision for another tenant due to the assignment of its lease to a credit tenant. During the year ended December 31, 2018, we recorded a $7.0 million increase in the provision for bad debts related to ~~two tenants;~~one tenant based on our discussions with this tenant and consistent with our accounting policies. As of December 31, 2018, our lease with this tenant represented approximately 1% of our total annualized base rental revenues.

A partially offsetting net decrease of $0.7 million in real estate taxes primarily due to property tax refunds related to successful assessment reductions net of customary annual property tax increases at other properties; and

An increase of ~~$8.7~~$7.9 million attributable to the ~~2014~~Development Properties;

An increase of $6.4 million attributable to the Acquisition Properties; and

A decrease of $10.7 million attributable to the Disposition Properties.

Other Expenses and Income

General and Administrative Expenses

General and administrative expenses increased by approximately ~~$2.1~~$29.9 million, or ~~4.6%~~49.3%, for the year ended December 31, ~~2015~~2018 compared to the year ended December 31, ~~2014~~2017 primarily due to the following:

An increase of ~~$3.3~~$12.1 million inrelating to accrued executive retirement benefits;

An increase of $11.5 million due to higher stock compensation ~~related expense primarily~~amortization as well as higher compensation and office expenses related to the growth of the Company; ~~partially offset by~~and

~~A decrease~~An increase of ~~$1.2~~$6.5 million resulting from higher professional service costs primarily related to legal fees incurred in connection with a ~~decrease in professional services fees.~~previously disclosed litigation matter.

Depreciation and Amortization

Depreciation and amortization increased by approximately ~~$1.9~~$8.4 million, or ~~0.9%~~3.4%, for the year ended December 31, ~~2015~~2018 compared to the year ended December 31, ~~2014,~~2017, primarily due to anthe following:

An increase ~~from~~of $6.6 million attributable to the ~~Stabilized~~Same Store Properties;

An increase of $4.7 million attributable to the Acquisition Properties;

An increase of $2.8 million attributable to the Development ~~and Redevelopment Properties~~Properties; partially offset by ~~2015 dispositions and certain specific lease-related intangible assets being fully amortized during 2015.~~

A decrease of $5.7 million attributable to the Disposition Properties.

~~Interest Expense~~

The following table sets forth our gross interest expense, including debt discounts/premiums and loan cost amortization, net of capitalized interest, including capitalized debt discounts/premiums and loan cost amortization for the years ended December 31, 2015 and 2014.

Year Ended December 31,
Dollar
Change

Percentage
Change
2015 2014
($ in thousands)
Gross interest expense $ 109,647
$ 114,661
$ (5,014 ) (4.4 )%
Capitalized interest (51,965 ) (47,090 ) (4,875 ) (10.4 )
Interest expense $ 57,682
$ 67,571
$ (9,889 ) (14.6 )%

~~Gross interest expense, before the effect of capitalized interest, decreased~~$5.0 million, or 4.4%, for the year ended December 31, 2015 compared to the year ended December 31, 2014, primarily due to a decrease in our weighted average interest rate, including loan fee amortization, from 4.9% for the year ended December 31, 2014 to 4.6% for the year ended December 31, 2015 as a result of the repayment of the Company’s 4.25% Exchangeable Notes in November 2014.

Capitalized interest increased $4.9 million, or 10.4%, for the year ended December 31, 2015 compared to the year ended December 31, 2014, primarily attributable to an increase in our development activity, which resulted in higher average asset balances qualifying for interest capitalization during 2015 as compared to 2014.

~~Comparison of the Year Ended December 31, 2014 to the Year Ended December 31, 2013~~

~~Management evaluated Net Operating Income for the year ended December 31, 2014 compared to the year ended December 31, 2013 by evaluating the performance from the following property groups:~~

Same Store Properties – which includes the results of all of the office properties that were owned and included in our stabilized portfolio for two comparable reporting periods, i.e., owned and included in our stabilized portfolio as of January 1, 2013 and still owned and included in the stabilized portfolio as of December 31, 2014;

Acquisition Properties – which includes the results, from the dates of acquisition through the periods presented, for the four office buildings we acquired during 2013 and the five office buildings we acquired during the year ended December 31, 2014;

~~Stabilized Development and Redevelopment Properties – which includes the results generated by the following:~~


◦	~~One development project comprising three office buildings that was completed and stabilized in the third quarter of 2014;~~


◦	~~One development project consisting of two office buildings that was completed and stabilized in the fourth quarter of 2014;~~


◦	~~One redevelopment property that was stabilized in 2014 following its one year lease-up period; and~~


◦	~~Two office redevelopment buildings and one office development building that were stabilized in 2013.~~

~~Other Properties – which includes the results of three office properties and certain of our in-process and future development projects.~~

~~The following table sets forth certain information regarding the property groups within our stabilized portfolio as of December 31, 2014:~~

Group # of Buildings
Rentable
Square Feet
Same Store Properties 93
11,309,444
Acquisition Properties 9
946,925
Stabilized Development and Redevelopment Properties 9
1,840,248
Total Stabilized Portfolio 111 14,096,617

~~The following tables summarize the Net Operating Income, as defined, for our total portfolio for the year ended December 31, 2014 and 2013.~~

Year Ended December 31,
Dollar
Change

Percentage
Change
2014 2013
($ in thousands)
Reconciliation to Net Income:
Net Operating Income, as defined $ 372,881
$ 319,679
$ 53,202
16.6 %
Unallocated (expense) income:
General and administrative expenses (46,152 ) (39,660 ) (6,492 ) 16.4
Acquisition-related expenses (1,479 ) (1,962 ) 483
(24.6 )
Depreciation and amortization (202,417 ) (188,887 ) (13,530 ) 7.2
Interest income and other net investment gains 561
1,635
(1,074 ) (65.7 )
Interest expense (67,571 ) (75,870 ) 8,299
(10.9 )
Gain on sale of land 3,490
—
3,490
100.0
Income from continuing operations 59,313
14,935
44,378
297.1
Income from discontinued operations 124,495
29,630
94,865
320.2
Net income $ 183,808
$ 44,565
$ 139,243
312.4 %

~~The following tables summarize the Net Operating Income, as defined, for our total portfolio for the year ended December 31, 2014 and 2013.~~

Year Ended December 31,
2014 2013

Same
Store

Acqui-
sitions
Stabilized Redevel-opment Other Total
Same
Store

Acqui-
sitions
Stabilized Redevel-opment Other Total
(in thousands) (in thousands)
Operating revenues:
Rental income $ 386,456
$ 29,423
$ 49,617
$ 832
$ 466,328
$ 370,128
$ 14,810
$ 23,685
$ 3,276
$ 411,899
Tenant reimbursements 38,264
5,182
3,151
120
46,717
33,704
2,981
937
425
38,047
Other property income 8,656
—
11
13
8,680
7,155
7
1
2
7,165
Total 433,376
34,605
52,779
965
521,725
410,987
17,798
24,623
3,703
457,111
Property and related expenses:
Property expenses 90,468
2,695
6,818
533
100,514
86,844
1,953
4,170
1,148
94,115
Real estate taxes 35,583
2,996
5,482
1,136
45,197
34,331
1,397
2,124
1,565
39,417
Provision for bad debts (181 ) 13
226
—
58
383
13
—
—
396
Ground leases 2,932
—
143
—
3,075
2,900
—
604
—
3,504
Total 128,802
5,704
12,669
1,669
148,844
124,458
3,363
6,898
2,713
137,432
Net Operating Income, as defined $ 304,574
$ 28,901
$ 40,110
$ (704 ) $ 372,881
$ 286,529
$ 14,435
$ 17,725
$ 990
$ 319,679

Year Ended December 31, 2014 as compared to the Year Ended December 31, 2013
Same Store Acquisitions Stabilized Redevelopment Other Total
Dollar Change Percent Change Dollar Change Percent Change Dollar Change Percent Change Dollar Change Percent Change Dollar Change Percent Change
($ in thousands)
Operating revenues:
Rental income $ 16,328
4.4 % $ 14,613
98.7 % $ 25,932
109.5 % $ (2,444 ) (74.6 )% $ 54,429
13.2 %
Tenant reimbursements 4,560
13.5
2,201
73.8
2,214
236.3
(305 ) (71.8 ) 8,670
22.8
Other property income 1,501
21.0
(7 ) (100.0 ) 10
1,000.0
11
550.0
1,515
21.1
Total 22,389
5.4
16,807
94.4
28,156
114.3
(2,738 ) (73.9 ) 64,614
14.1
Property and related expenses:
Property expenses 3,624
4.2
742
38.0
2,648
63.5
(615 ) (53.6 ) 6,399
6.8
Real estate taxes 1,252
3.6
1,599
114.5
3,358
158.1
(429 ) (27.4 ) 5,780
14.7
Provision for bad debts (564 ) (147.3 ) —
—
226
100.0
—
—
(338 ) (85.4 )
Ground leases 32
1.1
—
—
(461 ) (76.3 ) —
—
(429 ) (12.2 )
Total 4,344
3.5
2,341
69.6
5,771
83.7
(1,044 ) (38.5 ) 11,412
8.3
Net Operating Income,
as defined
$ 18,045
6.3 % $ 14,466
100.2 % $ 22,385
126.3 % $ (1,694 ) (171.1 )% $ 53,202
16.6 %

~~Net Operating Income increased $53.2 million, or 16.6%, for the year ended December 31, 2014 as compared to the year ended December 31, 2013 primarily resulting from:~~

An increase of $22.4 million attributable to the Stabilized Development and Redevelopment Properties, of which $17.0 million was attributable to the properties completed and/or stabilized in September and October of 2014 and $5.4 million was attributable to properties completed and/or stabilized in 2013;

~~An increase of $18.0 million attributable to the Same Store Properties primarily resulting from:~~

~~An increase in rental income of $16.3 million primarily resulting from an increase in tenant renewals and new leases at higher rental rates;~~

~~An increase in tenant reimbursements of $4.6 million primarily due to higher reimbursable property expenses and real estate taxes and increased occupancy;~~

An increase in other property income of $1.5 million. During the year ended December 31, 2014, we recognized lease termination fees of $6.3 million. During the year ended December 31, 2013, we received a $5.2 million property damage settlement payment at one of our properties;

~~A partially offsetting increase in property and related expenses of $4.3 million primarily resulting from:~~

An increase of $3.6 million in property expenses primarily as a result of a $2.6 million increase in certain recurring operating costs related to utilities, parking, janitorial, repairs and maintenance, and other service-related costs and $1.0 million of non-recurring expenses related to a property damage settlement;

~~A net increase in real estate taxes of $1.3 million primarily as a result of higher assessment of value at several properties; and~~

~~A decrease in the provision for bad debt of $0.6 million primarily due to an improvement in collections of tenant receivables.~~

An increase of $14.5 million was attributable to the Acquisition Properties, of which $7.4 million was attributable to properties acquired in 2013, $6.1 million was attributable to a property acquired in the first quarter of 2014 and $1.0 million was attributable to a property acquired in the fourth quarter of 2014.

~~Other Expenses and Income~~

~~General and Administrative Expenses~~

General and administrative expenses increased $6.5 million, or 16.4%, for the year ended December 31, 2014 compared to the year ended December 31, 2013, primarily attributable to an increase in compensation expense related to higher payroll costs and other professional services associated with the growth of the Company.

~~Depreciation and Amortization~~

Depreciation and amortization increased by $13.5 million, or 7.2%, for the year ended December 31, 2014 compared to the year ended December 31, 2013, primarily related to the Acquisition Properties and Stabilized Development and Redevelopment Properties.

Interest Expense

The following table sets forth our gross interest expense, including debt discounts/premiums and ~~loan~~deferred financing cost amortization ~~net of~~and capitalized interest, including capitalized debt discounts/premiums and ~~loan~~deferred financing cost amortization for the ~~year~~years ended December 31, ~~2014~~2018 and ~~2013.~~2017.


	Year Ended December 31,						Dollar Change				Percentage Change		Year Ended December 31,								Dollar Change				Percentage Change
	2014			2013						2018				2017							Dollar Change				Percentage Change
	($ in thousands)												($ in thousands)
Gross interest expense	$	114,661		$	111,238		Dollar Change	$	3,423		Percentage Change			3.1	%	$	117,789			$	112,577			$	5,212		4.6	%
Capitalized interest	(47,090		)	(35,368		)	(11,722		)		33.1
Capitalized interest and deferred financing costs													(68,068		)		(46,537		)		(21,531		)		46.3
Interest expense	$	67,571		$	75,870		$	(8,299	)		(10.9	)%	$	49,721			$	66,040			$	(16,319	)		(24.7	)%

Gross interest expense, before the effect of capitalized interest and deferred financing costs, increased ~~$3.4~~$5.2 million, or ~~3.1%~~4.6%, for the year ended December 31, ~~2014~~2018 as compared to the year ended December 31, ~~2013 resulting~~2017, primarily ~~from~~due to an increase in ~~our~~the average outstanding debt ~~balances due to increased development and acquisitions and growth of~~balance for the ~~Company.~~year ended December 31, 2018.

Capitalized interest and deferred financing costs increased ~~$11.7~~$21.5 million, or ~~33.1%~~46.3%, for the year ended December 31, ~~2014~~2018 compared to the year ended December 31, ~~2013,~~2017, primarily attributable to an increase in ~~our~~the average development ~~and redevelopment activity, which resulted in higher average~~

asset balances qualifying for interest capitalization during ~~2014~~2018 as compared to ~~2013.~~2017. During the years ended December 31, 2018 and 2017, we capitalized interest on in-process development projects and future development pipeline projects with an average aggregate cost basis of approximately $1.6 billion and $1.0 billion, respectively.

Loss on Early Extinguishment of Debt

In November 2018, we early redeemed the $250.0 million aggregate principal amount of our outstanding 6.625% unsecured senior notes that were scheduled to mature on June 1, 2020. In connection with our early redemption, we incurred a loss on early extinguishment of debt of $12.6 million, which was comprised of a premium paid to the note holders at the redemption date of $11.8 million and a write-off of the unamortized discount and deferred financing costs of $0.8 million.

In December 2017, we early redeemed the $325.0 million aggregate principal amount of our outstanding 4.800% unsecured senior notes that were scheduled to mature on July 15, 2018. In connection with our early redemption, we incurred a loss on early extinguishment of debt of $5.3 million, which was comprised of a premium paid to the note holders at the redemption date of $5.0 million and a write-off of the unamortized discount and deferred financing costs of $0.3 million.

Net income attributable to noncontrolling interests in consolidated property partnerships

Net income attributable to noncontrolling interests in consolidated property partnerships increased$1.5 million for the year ended December 31, 2018 compared to the year ended December 31, 2017 due to the inclusion of interest expense in 2017 for a mortgage note secured by one of the properties held by the property partnerships that was repaid in the fourth quarter of 2017. The amounts reported for the years ended December 31, 2018 and 2017 are comprised of the noncontrolling interest’s share of net income for 100 First Member, LLC (“100 First LLC”) and 303 Second Street Member, LLC (“303 Second LLC”) and the noncontrolling interest’s share of net income for Redwood LLC. See Note 11 “Noncontrolling Interests on the Company's Consolidated Financial Statements” to our consolidated financial statements included in this report for additional information.

Comparison of the Year Ended December 31, 2017 to the Year Ended December 31, 2016

Management evaluated Net Operating Income for the year ended December 31, 2017 compared to the year ended December 31, 2016 by evaluating the performance from the following property groups:

73Same Store Properties – includes the results of all of the office properties that were owned and included in our stabilized portfolio for two comparable reporting periods, i.e., owned and included in our stabilized portfolio as of January 1, 2016 and still owned and included in the stabilized portfolio as of December 31, 2017;

Stabilized Development Properties – includes the results generated by the following:


◦	One office development project that was added to the stabilized portfolio in the first quarter of 2017;


◦	Two office development projects that were completed and stabilized in March 2016;


◦	Our residential project that was completed in June 2016; and


◦	One office development project that was added to the stabilized portfolio in the fourth quarter of 2016;

Acquisition Properties – includes the results, from the dates of acquisition through the periods presented, for the four office and three retail buildings we acquired during 2016; and

Dispositions, and Other Properties – includes the results of the ten properties disposed of in the third quarter of 2017, the one property disposed of during the first quarter of 2017, the six properties disposed of in 2016 and expenses for certain of our in-process, near-term and future development projects.

The following table sets forth certain information regarding the property groups within our stabilized portfolio as of December 31, 2017:



Group	# of Buildings	Rentable Square Feet
Same Store Properties	88	12,182,805
Stabilized Development Properties	6	1,079,333
Acquisition Properties	7	458,459
Total Stabilized Portfolio	101	13,720,597

The following table summarizes our Net Operating Income, as defined, for our total portfolio for the years ended December 31, 2017 and 2016.



	Year Ended December 31,						Dollar Change			Percentage Change
	2017			2016			Dollar Change			Percentage Change
	($ in thousands)
Reconciliation of Net Income Available to Common Stockholders to Net Operating Income, as defined:
Net Income Available to Common Stockholders	$	151,249		$	280,538		$	(129,289	)	(46.1	)%
Preferred dividends	5,774			13,250			(7,476		)	(56.4	)
Original issuance costs of redeemed preferred stock	7,589			—			7,589			100.0
Net income attributable to Kilroy Realty Corporation	164,612			293,788			(129,176		)	(44.0	)
Net income attributable to noncontrolling common units of the Operating Partnership	3,223			6,635			(3,412		)	(51.4	)
Net income attributable to noncontrolling interests in consolidated property partnerships	12,780			3,375			9,405			278.7
Net income	$	180,615		$	303,798		$	(123,183	)	(40.5	)%
Unallocated expense (income):
General and administrative expenses	60,581			57,029			3,552			6.2
Acquisition-related expenses	—			1,902			(1,902		)	(100.0	)
Depreciation and amortization	245,886			217,234			28,652			13.2
Interest income and other net investment gains	(5,503		)	(1,764		)	(3,739		)	212.0
Interest expense	66,040			55,803			10,237			18.3
Loss on early extinguishment of debt	5,312			—			5,312			100.0
Net (gain) loss on sales of land	(449		)	295			(744		)	(252.2	)
Gains on sales of depreciable operating properties	(39,507		)	(164,302		)	124,795			(76.0	)
Net Operating Income, as defined	$	512,975		$	469,995		$	42,980		9.1	%

The following tables summarize our Net Operating Income, as defined, for our total portfolio for the years ended December 31, 2017 and 2016.



	Year Ended December 31,
	2017											2016
	Same Store		Stabilized Develop-ment			Acquisitions		Dispositi-ons & Other		Total		Same Store			Stabilized Develop-ment		Acquisitions		Dispositi-ons & Other			Total
	(in thousands)											(in thousands)
Operating revenues:
Rental income	$	520,312	$	72,411		$	29,358	$	11,815	$	633,896	$	515,813		$	36,737	$	4,250	$	17,613		$	574,413
Tenant reimbursements	57,411		10,027			7,687		1,434		76,559		50,472			7,363		922		2,322			61,079
Other property income	6,093		345			821		1,287		8,546		1,499			93		53		5,435			7,080
Total	583,816		82,783			37,866		14,536		719,001		567,784			44,193		5,225		25,370			642,572
Property and related expenses:
Property expenses	104,428		17,900			4,992		2,651		129,971		97,672			10,913		477		4,870			113,932
Real estate taxes	47,543		10,553			6,321		2,032		66,449		45,468			6,408		446		2,884			55,206
Provision for bad debts	1,755		(101		)	1,471		144		3,269		(124		)	116		50		(42		)	—
Ground leases	3,927		—			2,410		—		6,337		3,356			—		83		—			3,439
Total	157,653		28,352			15,194		4,827		206,026		146,372			17,437		1,056		7,712			172,577
Net Operating Income, as defined	$	426,163	$	54,431		$	22,672	$	9,709	$	512,975	$	421,412		$	26,756	$	4,169	$	17,658		$	469,995



	Year Ended December 31, 2017 as compared to the Year Ended December 31, 2016
	Same Store				Stabilized Development					Acquisitions				Dispositions & Other					Total
	Dollar Change		Percent Change		Dollar Change			Percent Change		Dollar Change		Percent Change		Dollar Change			Percent Change		Dollar Change		Percent Change
	($ in thousands)
Operating revenues:
Rental income	$	4,499	0.9	%	$	35,674		97.1	%	$	25,108	590.8	%	$	(5,798	)	(32.9	)%	$	59,483	10.4	%
Tenant reimbursements	6,939		13.7		2,664			36.2		6,765		733.7		(888		)	(38.2	)	15,480		25.3
Other property income	4,594		306.5		252			271.0		768		NM*		(4,148		)	(76.3	)	1,466		20.7
Total	16,032		2.8		38,590			87.3		32,641		624.7		(10,834		)	(42.7	)	76,429		11.9
Property and related expenses:
Property expenses	6,756		6.9		6,987			64.0		4,515		946.5		(2,219		)	(45.6	)	16,039		14.1
Real estate taxes	2,075		4.6		4,145			64.7		5,875		NM*		(852		)	(29.5	)	11,243		20.4
Provision for bad debts	1,879		NM*		(217		)	(187.1	)	1,421		NM*		186			442.9		3,269		100.0
Ground leases	571		17.0		—			—		2,327		NM*		—			—		2,898		84.3
Total	11,281		7.7		10,915			62.6		14,138		NM*		(2,885		)	(37.4	)	33,449		19.4
Net Operating Income, as defined	$	4,751	1.1	%	$	27,675		103.4	%	$	18,503	443.8	%	$	(7,949	)	(45.0	)%	$	42,980	9.1	%

________________________

* Percentage not meaningful

Net Operating Income increased $43.0 million, or 9.1%, for the year ended December 31, 2017 as compared to the year ended December 31, 2016 primarily resulting from:

An increase of $4.8 million attributable to the Same Store Properties primarily resulting from:

An increase in rental income of $4.5 million primarily due to the following:


◦	$14.3 million increase due primarily to new leases and renewals at higher overall average rental rates in the San Francisco Bay Area, Greater Los Angeles and Greater Seattle regions; partially offset by


◦	$9.8 million decrease due to lease expirations and early terminations primarily in the San Francisco Bay Area;

An increase in tenant reimbursements of $6.9 million primarily due to:


◦	$3.8 million increase due to higher recurring expenses related to utilities, security, parking, contract services, repairs and maintenance and property taxes at certain properties;


◦	$0.9 million increase due to higher reimbursable supplemental in 2017 at two properties related to supplemental property tax adjustments and $1.6 million increase due to lower reimbursable supplemental taxes in 2016 as a result of a change in estimate at one property;


◦	$1.1 million increase due to lower abated tenant reimbursements as compared to the prior year in addition to increased tenant reimbursements from tenants with 2016 base years; partially offset by


◦	$0.5 million decrease due to lower occupancy primarily for two properties in the Greater Seattle region that are 100% and 83% leased as of the date of this filing;

An increase in other property income of $4.6 million primarily due to early lease termination fees in the San Francisco Bay Area and San Diego regions, of which $2.3 million was attributed to one lease; partially offset by

An increase in property and related expenses of $11.3 million primarily resulting from:

An increase of $6.8 million in property expenses primarily resulting from:


◦	$5.1 million increase in certain recurring operating costs due to increased demand and higher rates related to utilities, security, parking and contract services, as well as higher repairs and maintenance and various other reimbursable expenses;


◦	$1.2 million increase in non-reimbursable expenses primarily due to $0.5 million of non-recurring legal expenses and a $0.4 million increase due to non-recurring parking facility costs;


◦	$0.5 million increase in property management personnel costs;

An increase of $2.1 million in real estate taxes primarily due to:


◦	$1.8 million from regular annual property tax increases in 2017;


◦	$2.9 million of lower supplemental taxes at three properties in the San Francisco Bay Area region in 2016; partially offset by


◦	$2.6 million reduction in 2017 supplemental taxes at one property that was redeveloped in 2013;

An increase of $1.9 million in provision for bad debts primarily related to one tenant; and

An increase of $0.6 million in ground rent primarily due to higher percentage ground rent for one of our ground leases in the Greater Seattle Area due to higher operating revenues at the related property;

An increase of $27.7 million attributable to the Stabilized Development Properties;

An increase of $18.5 million attributable to the Acquisition Properties; and

A decrease of $7.9 million attributable to the Dispositions & Other Properties primarily due to the following:


◦	$5.0 million of other property income received in 2016 relating to a property damage settlement; and


◦	$2.9 million of lower Net Operating Income primarily due dispositions that occurred in the third quarter of 2017.

Other Expenses and Income

General and Administrative Expenses

General and administrative expenses increased by approximately $3.6 million, or 6.2%, for the year ended December 31, 2017 compared to the year ended December 31, 2016 primarily due to the following:

An increase of approximately $2.3 million related to higher payroll costs and office expenses related to the growth of the company; and

An increase of $1.3 million attributable to compensation expense related to the mark-to-market adjustment for the Company’s deferred compensation plan. The compensation expense was offset by gains on the underlying marketable securities included in interest income and other net investment gains in the consolidated statements of operations.

Depreciation and Amortization

Depreciation and amortization increased by approximately $28.7 million, or 13.2%, for the year ended December 31, 2017 compared to the year ended December 31, 2016, primarily due to the following:

An increase of $3.9 million attributable to the Same Store Properties;

An increase of $9.7 million attributable to the Stabilized Development Properties;

An increase of $18.0 million attributable to the Acquisition Properties; partially offset by

A decrease of $2.9 million attributable to the Dispositions & Other Properties.

Interest Expense

The following table sets forth our gross interest expense, including debt discounts/premiums and deferred financing cost amortization and capitalized interest, including capitalized debt discounts/premiums and deferred financing cost amortization for the years ended December 31, 2017 and 2016.



	Year Ended December 31,						Dollar Change		Percentage Change
	2017			2016			Dollar Change		Percentage Change
	($ in thousands)
Gross interest expense	$	112,577		$	105,263		$	7,314	6.9	%
Capitalized interest and deferred financing costs	(46,537		)	(49,460		)	2,923		5.9
Interest expense	$	66,040		$	55,803		$	10,237	18.3	%

Gross interest expense, before the effect of capitalized interest and deferred financing costs, increased $7.3 million, or 6.9%, for the year ended December 31, 2017 as compared to the year ended December 31, 2016, primarily due to an increase in the average outstanding debt balance for the year ended December 31, 2017. Our weighted average interest rate, including loan fee amortization, was 4.5% and 4.6% for the years ended December 31, 2017 and 2016, respectively.

Capitalized interest decreased $2.9 million, or 5.9%, for the year ended December 31, 2017 compared to the year ended December 31, 2016, primarily attributable to a decrease in the average development asset balances qualifying for interest capitalization during 2017 as compared to 2016.

Loss on Early Extinguishment of Debt

In December 2017, we early redeemed the $325.0 million aggregate principal amount of our outstanding 4.800% unsecured senior notes that were scheduled to mature on July 15, 2018. In connection with our early redemption, we incurred a loss on early extinguishment of debt of $5.3 million which was comprised of $5.0 million representing the premium paid to the note holders at the redemption date $0.3 million for the write-off of unamortized discount and deferred financing costs.

Net income attributable to noncontrolling interests in consolidated property partnerships

Net income attributable to noncontrolling interests in consolidated property partnerships increased $9.4 million for the year ended December 31, 2017 compared to the year ended December 31, 2016. The amount reported for the years ended December 31, 2017 and 2016 are comprised of the noncontrolling interest’s share of net income for 100 First Member, LLC (“100 First LLC”) and 303 Second Street Member, LLC (“303 Second LLC”) for the period subsequent to the transaction closing dates on August 30, 2016 and November 30, 2016, respectively (see Note 11 “Noncontrolling Interests on the Company's Consolidated Financial Statements” to our consolidated financial statements included in this report for additional information), in addition to the noncontrolling interest’s share of net income for Redwood LLC.

Liquidity and Capital Resources of the Company

In this “Liquidity and Capital Resources of the Company” section, the term the “Company” refers only to Kilroy Realty Corporation on an unconsolidated basis and excludes the Operating Partnership and all other subsidiaries.

The Company’s business is operated primarily through the Operating Partnership. Distributions from the Operating Partnership are the Company’s primary source of capital. The Company believes the Operating Partnership’s sources of working capital, specifically its cash flow from operations and borrowings available under its unsecured revolving credit facility and funds from its capital recycling program, including strategic ventures, are adequate for it to make its distribution payments to the Company and, in turn, for the Company to make its dividend payments to its ~~preferred and~~ common stockholders for the next twelve months. Cash flows from operating activities generated by the Operating Partnership for the year ended December 31, ~~2015~~2018 were sufficient to cover the Company’s payment of cash dividends to its stockholders.However, there can be no assurance that the Operating Partnership’s sources of capital will continue to be available at all or in amounts sufficient to meet its needs, including its ability to make distributions to the Company. The unavailability of capital could adversely affect the Operating Partnership’s ability to make distributions to the Company, which would in turn, adversely affect the Company’s ability to pay cash dividends to its stockholders.

The Company is a well-known seasoned issuer and the Company and the Operating Partnership have an effective shelf registration statement that provides for the public offering and sale from time to time by the Company of its preferred stock, common stock, depositary shares, warrants and guarantees of debt securities and by the Operating Partnership of its debt securities, in each case in unlimited amounts. The Company evaluates the capital markets on an ongoing basis for opportunities to raise capital, and, as circumstances warrant, the Company and the Operating Partnership may issue securities of all of these types in one or more offerings at any time and from time to time on an opportunistic basis, depending upon, among other things, market conditions, available pricing and capital needs. When the Company receives proceeds from the sales of its preferred or common stock, it generally contributes the net proceeds from those sales to the Operating Partnership in exchange for corresponding preferred or common partnership units of the Operating Partnership. The Operating Partnership may use these proceeds and proceeds from the sale of its debt securities to repay debt, including borrowings under its unsecured revolving credit facility, to develop new or existing properties, to make acquisitions of properties or portfolios of properties, or for general corporate purposes.

As the sole general partner with control of the Operating Partnership, the Company consolidates the Operating Partnership for financial reporting purposes, and the Company does not have significant assets other than its investment in the Operating Partnership. Therefore, the assets and liabilities and the revenues and expenses of the Company and the Operating Partnership are substantially the same on their respective financial statements. The section entitled “Liquidity and Capital Resources of the Operating Partnership” should be read in conjunction with this section to understand the liquidity and capital resources of the Company on a consolidated basis and how the Company is operated as a whole.

Distribution Requirements

The Company is required to distribute 90% of its taxable income (subject to certain adjustments and excluding net capital ~~gain)~~gains) on an annual basis to maintain qualification as a REIT for federal income tax purposes and is required to pay income tax at regular corporate rates to the extent it distributes less than 100% of its taxable income (including capital gains). As a result of these distribution requirements, the Operating Partnership cannot rely on retained earnings to fund its on-going operations to the same extent as other companies whose parent companies are not REITs. In addition, the Company may be required to use borrowings under the Operating Partnership’s revolving credit facility, if necessary, to meet REIT distribution requirements and maintain its REIT status. The Company may also need to continue to raise capital in the equity markets to fund the Operating Partnership’s working capital needs, as well as potential developments of new or existing properties or acquisitions.

The Company intends to continue to make, but has not committed to make, regular quarterly cash distributions to common stockholders, and through the Operating Partnership, common unitholders from the Operating ~~Partnership's~~Partnership’s cash flow from operating activities. All such distributions are at the discretion of the ~~board~~Board of ~~directors. The Company has historically distributed amounts in excess~~Directors. In 2018, the Company’s distributions exceeded 100% of its taxable income, resulting in a ~~return of capital to its stockholders. However, while the 2015 regular quarterly distributions were sufficient to distribute 100% of the Company’s 2015~~

~~taxable income, they did not result in~~ return of capital to its stockholders. As the Company intends to maintain distributions at a level sufficient to meet the REIT distribution requirements and

minimize ~~the potential of any~~its obligation to pay income orand excise taxes, it will continue to evaluate whether the current levels of distribution are sufficient to do so for ~~2016.~~2019. In addition, in the event~~that~~ the Company is unable to identify and complete the acquisition of suitable replacement properties to effect Section 1031 Exchanges or is unable to successfully complete Section 1031 Exchanges to defer some or all of the taxable gains related to property dispositions, ~~completed to date in 2016 or future property dispositions,~~ the Company may elect to distribute a special dividend to its ~~commons shareholders~~common stockholders and common unitholders in order to minimize or eliminate income taxes on such gains. The Company considers market factors and its performance in addition to REIT requirements in determining its distribution levels. Amounts accumulated for distribution to stockholders are invested primarily in interest-bearing accounts and short-term interest-bearing securities, which ~~are~~is consistent with the Company’s intention to maintain its qualification as a REIT. Such investments may include, for example, obligations of the Government National Mortgage Association, other governmental agency securities, certificates of deposit, and interest-bearing bank deposits.

On December ~~15, 2015,~~11, 2018, the Board of Directors declared a regular quarterly cash dividend of ~~$0.35~~$0.455 per share of common ~~stock~~stock. The regular quarterly cash dividend is payable ~~on January 13, 2016~~ to stockholders of record on December 31, ~~2015~~2018 and ~~caused~~ a ~~$0.35~~corresponding cash distribution of $0.455 per Operating Partnership ~~unit cash distribution~~units is payable to ~~be paid in respect~~holders of the Operating Partnership’s common limited partnership interests of record on December 31, 2018, including those owned by the Company. The total cash quarterly dividends and distributions paid on January ~~13, 2016~~15, 2019 were ~~$32.9~~$46.8 million.

On December 15, 2015, the Board of Directors declared a dividend of $0.42969 per share on the Series G Preferred Stock and $0.39844 per share on the Series H Preferred Stock for the period commencing on and including November 15, 2015 and ending on and including February 14, 2016. The dividend will be payable on February 15, 2016 to Series G Preferred and Series H Preferred stockholders of record on January 31, 2016. As January 31, 2016 fell on a Sunday, the effective record date for the dividend was Friday, January 29, 2016. The quarterly dividends payable on February 15, 2016 to Series G and Series H Preferred stockholders is expected to total $3.3 million.

Debt Covenants

The covenants contained within ~~the~~certain of our unsecured ~~revolving credit facility, unsecured term loan facility and unsecured term loan~~debt obligations generally prohibit the Company from paying dividends during an event of default in excess of ~~95%~~an amount which results in distributions to us in an amount sufficient to permit us to pay dividends to our stockholders that we reasonably believe are necessary to (a) maintain our qualification as a REIT for federal and state income tax purposes and (b) avoid the payment of ~~FFO.~~federal or state income or excise tax.

Capitalization

As of December 31, ~~2015,~~2018, our total debt as a percentage of total market capitalization was ~~26.7% and our total debt and liquidation value of our preferred equity as a percentage of total market capitalization was 29.1%~~31.4%, which was calculated based on the closing price per share of the Company’s common stock of ~~$63.28~~$62.88 on December 31, ~~2015~~2018 as shown in the following table:

Shares/Units at
December 31, 2015

Aggregate
Principal
Amount or
$ Value
Equivalent

% of Total
Market
Capitalization
($ in thousands)
Debt:
Unsecured Term Loan Facility $ 150,000
1.8 %
Unsecured Term Loan 39,000
0.4
Unsecured Senior Notes due 2018 ⁽¹⁾
325,000
3.9
Unsecured Senior Notes due 2020 ⁽¹⁾
250,000
3.0
Unsecured Senior Notes due 2023 ⁽¹⁾
300,000
3.6
Unsecured Senior Notes due 2025 ⁽¹⁾
400,000
4.8
Unsecured Senior Notes due 2029 ⁽¹⁾
400,000
4.8
Secured debt ^{(1) (2)}
375,696
4.4
Total debt 2,239,696
26.7
Equity and Noncontrolling Interests:
6.875% Series G Cumulative Redeemable Preferred stock ⁽³⁾
4,000,000
100,000
1.2
6.375% Series H Cumulative Redeemable Preferred stock ⁽³⁾
4,000,000
100,000
1.2
Common limited partnership units outstanding ⁽⁴⁾⁽⁵⁾
1,764,775
111,675
1.3
Shares of common stock outstanding ⁽⁵⁾
92,258,690
5,838,130
69.6
Total equity and noncontrolling interests 6,149,805
73.3
Total Market Capitalization $ 8,389,501
100.0 %



	Shares/Units at December 31, 2018	Aggregate Principal Amount or $ Value Equivalent		% of Total Market Capitalization
	($ in thousands)
Debt: ⁽¹⁾
Unsecured Line of Credit		$	45,000	0.5	%
Unsecured Term Loan Facility		150,000		1.6
Unsecured Senior Notes due 2023		300,000		3.2
Unsecured Senior Notes due 2024		425,000		4.5
Unsecured Senior Notes due 2025		400,000		4.3
Unsecured Senior Notes Series A & B due 2026		250,000		2.6
Unsecured Senior Notes due 2028		400,000		4.3
Unsecured Senior Notes due 2029		400,000		4.3
Unsecured Senior Notes Series A & B due 2027 & 2029		250,000		2.6
Secured debt		335,811		3.5
Total debt		2,955,811		31.4
Equity and Noncontrolling Interests in the Operating Partnership: ⁽²⁾
Common limited partnership units outstanding ⁽²⁾	2,025,287	127,350		1.3
Shares of common stock outstanding ^{(3) (4)}	100,746,988	6,334,971		67.3
Total Equity and Noncontrolling Interests in the Operating Partnership		6,462,321		68.6
Total Market Capitalization		$	9,418,132	100.0	%

________________________

(1)

Represents gross aggregate principal amount due at maturity before the effect of ~~net~~the following at December 31, 2018: $17.4 million of unamortized deferred financing costs on the unsecured term loan facility, unsecured senior notes and secured debt, $6.6 million of unamortized discounts asfor the unsecured senior notes and $0.8 million of ~~December 31, 2015. The aggregate net~~ unamortized ~~discounts totaled approximately $1.2 million as of December 31, 2015.~~premiums for the secured debt.


(2)	~~Excludes $0.6 million~~Includes common units of ~~secured debt related to real estate assets held for sale as of~~ ~~December 31, 2015.~~ the Operating Partnership not owned by the Company; does not include noncontrolling interests in consolidated property partnerships.


(3)	~~Value based on $25.00 per share liquidation preference.~~


~~(4)~~	~~Represents common units not owned by the Company.~~


~~(5)~~	Value based on closing price per share of our common stock of ~~$63.28~~$62.88 as of December 31, ~~2015.~~2018.


(4)	In August, the Company completed a public offering of 5,000,000 shares of common stock priced at $72.10 per share structured as a forward sale. Shares of common stock outstanding do not include any amounts related to this public offering as the Company has not issued any shares of our common stock under the related forward sale agreements as of the date of this report.

Liquidity and Capital Resources of the Operating Partnership

In this “Liquidity and Capital Resources of the Operating Partnership” section, the terms “we,” “our,” and “us” refer to the Operating Partnership or the Operating Partnership and the Company together, as the context requires.

General

Our primary liquidity sources and uses are as follows:

Liquidity Sources

Net cash flow from operations;

Borrowings under the Operating Partnership’s unsecured revolving credit facility and term loan facility;

Proceeds from our capital recycling program, including the disposition of nonstrategic assets and the formation of strategic ventures;

Proceeds from additional secured or unsecured debt financings; and

Proceeds from public or private issuance of debt or equity ~~securities; and~~

~~Proceeds from the disposition of assets through our capital recycling program.~~securities.

Liquidity Uses

Development and redevelopment costs;

~~Property~~Operating property or undeveloped land acquisitions;

Property operating and corporate expenses;

Capital expenditures, tenant improvement and leasing costs;

Debt service and principal payments, including debt maturities;

Distributions to common ~~and preferred~~ security holders;

Repurchases and redemptions of outstanding common stock of the Company; and

Outstanding debt repurchases, redemptions and repayments.

General Strategy

Our general strategy is to maintain a conservative balance sheet with a strong credit profile and to maintain a capital structure that allows for financial flexibility and diversification of capital resources. We manage our capital structure to reflect a long-term investment approach and utilize multiple sources of capital to meet our long-term capital requirements. We believe that our current projected liquidity requirements for the next twelve-month period, as set forth above under the caption “—Liquidity Uses,” will be satisfied using a combination of the liquidity sources listed above, although there can be no assurance in this regard. We believe our conservative leverage and staggered debt maturities provide us with financial flexibility and ~~enhances~~enhance our ability to obtain additional sources of liquidity if necessary, and, therefore, we are well-positioned to refinance or repay maturing debt and to pursue our strategy of seeking attractive acquisition opportunities, which we may finance, as necessary, with future public and private issuances of debt and equity securities.

~~Summary of 2015 Funding~~2018 Capital and Financing Transactions

We continue to be active in the capital markets and our capital recycling program to finance our acquisition and development activity and our continued desire to extend our debt ~~maturities and lower our overall weighted average cost of capital.~~maturities. This was primarily a result of the following ~~transactions:~~activity:

Capital Recycling Program

During the year ended December 31, 2018, we completed the sale of 11 office buildings to unaffiliated third parties for gross sales proceeds totaling approximately $373.0 million.

Capital Markets / Debt Transactions

~~During 2015,~~In addition to obtaining funding from our capital recycling program during 2018, we ~~issued~~successfully completed the following financing and ~~sold~~capital raising activities to fund our continued growth. We continued to strengthen our balance sheet and lower our overall cost of capital.

Borrowed the full $150.0 million borrowing capacity of our unsecured term loan facility;

Completed the previously existing at-the-market stock offering program (the “2014 At-The-Market Program”), and commenced a ~~total of 1,866,267~~new at-the-market stock offering program (the “2018 At-The-Market Program”) under which we may currently offer and sell shares of our common stock ~~under our at-the-market stock offering programs at a weighted average~~with an aggregate gross sales price of ~~$75.06per share before selling commissions. The net offering proceeds (after deducting underwriting discounts) were approximately $138.2 million(see “—Liquidity Sources” below for additional information).~~

~~In July 2015, we issued and sold 3,773,766~~up to $500.0 million. During 2018, a total of 1,817,195 shares of common stock ~~at a price of $66.19 per share~~

were issued under both programs for aggregate net proceeds ~~after offering costs~~ of ~~$249.6~~$132.1 million. Under the 2018 At-The-Market-Program, we may, at our discretion, enter into forward equity sale agreements;

Issued $50.0 million ~~through~~of 8-year 4.30% unsecured senior notes and $200.0 million of 8-year 4.35% unsecured senior notes maturing in July 2026 and October 2026, respectively, in connection with a ~~registered direct placement~~private placement;

Entered into forward equity sale agreements in connection with an ~~institutional investor.~~underwritten public offering of 5,000,000 common shares at an initial gross offering price of $360.5 million, or $72.10 per share. The full amount of this offering remains available for future settlement as of the date of this filing;

~~In September 2015, the Operating Partnership issued~~Issued $400.0 million aggregate principal amount of 10-year, 4.750% senior unsecured ~~senior~~ notes maturing in December 2028 in an underwritten public ~~offering with an aggregate principal balance~~offering; and

Completed the early redemption of ~~$400.0~~all $250.0 million ~~that are scheduled to mature in October 2025. The~~of the Company’s 6.625% unsecured senior notes ~~require semi-annual interest payments each April and October based~~due June 2020, resulting in a $12.6 million loss on ~~a stated annual interest rate~~early extinguishment of ~~4.375%.~~debt.

In November 2015, we repaid unsecured senior notes with an outstanding principal balance of $325.0 million upon maturity (see Note 8 “Secured and Unsecured Debt of the Operating Partnership” to our consolidated financial statements included in this report for additional information). During 2015, we also repaid $150.1 million of secured debt at par.

~~In May 2015, we received an upgrade in our debt ratings from Moody’s and S&P to Baa2 and BBB, respectively.~~

~~Capital Recycling Program~~

~~During the~~ ~~year~~ ended December 31, 2015, we completed the sale of ten operating properties and one undeveloped land parcel to unaffiliated third parties for gross sales proceeds of $335.2 million. In January 2016, we also completed the sale of four operating properties located in San Diego, California and one land parcel located in Carlsbad, California that were classified as held for sale at December 31, 2015 for gross sales proceeds of $266.8 million.

After the effect of these aforementioned transactions, as of February 10, 2016, we had approximately $20 million of unrestricted cash on hand, approximately $260 million of restricted cash and approximately $25 million outstanding on our unsecured revolving credit facility.

Liquidity Sources

Unsecured Revolving Credit Facility and Term Loan Facility

The following table summarizes the balance and terms of our unsecured revolving credit facility as of December 31, ~~2015~~2018 and ~~December 31, 2014~~:

2017:


	December 31, 2015			December 31, 2014			December 31, 2018			December 31, 2017
	(in thousands)						(in thousands)
Outstanding borrowings	$	—		$	140,000		$	45,000		$	—
Remaining borrowing capacity	600,000			460,000			705,000			750,000
Total borrowing capacity ⁽¹⁾	$	600,000		$	600,000		$	750,000		$	750,000
Interest rate ⁽²⁾	—		%	1.41		%	3.48		%	2.56		%
Facility fee-annual rate ⁽³⁾	0.200%			0.250%			0.200%
Maturity date	July 2019						July 2022

_______________


(1)	We may elect to borrow, subject to bank approval and obtaining commitments for any additional borrowing capacity, up to an additional ~~$311.0~~$600.0 million under an accordion feature under the terms of the unsecured revolving credit facility and unsecured term loan facility.


(2)	Our unsecured revolving credit facility interest rate was calculated based on ~~an annual~~the contractual rate of LIBOR plus ~~1.050%~~1.000% as of December 31, ~~2015~~2018 and ~~LIBOR plus 1.250% as of December 31, 2014.~~2017, respectively.

(3)

Our facility fee is paid on a quarterly basis and is calculated based on the total borrowing capacity. In addition to the facility fee, we incurred debt origination and legal costs. As of December 31, ~~2015, $4.6~~2018 and 2017, $4.7 million and $6.0 million of unamortized deferred financing costs, ~~remains~~respectively, which are included in prepaid expenses and other assets, net on our consolidated balance sheets, remained to be amortized through the ~~amended~~ maturity date of our unsecured revolving credit facility.

We intend to borrow under the unsecured revolving credit facility ~~from time to time~~as necessary for general corporate purposes, to finance development and redevelopment expenditures, to fund potential acquisitions and to potentially repay long-term debt.

~~Capital Recycling Program~~

In the first quarter of 2018, we borrowed the full $150.0 million borrowing capacity of our unsecured term loan facility. In connection with the funding of the outstanding borrowings, we transferred $30.0 million of outstanding borrowings under the unsecured revolving credit facility to the balance of our ~~capital recycling program, we continuously evaluate opportunities for the potential disposition~~unsecured term loan facility. As a result, only $120.0 million of ~~properties and undeveloped land in our portfolio with the intent of recycling the~~cash proceeds ~~generated~~were received from the disposition of less strategic or lower return assets into capital used to finance development expenditures, to fund new acquisitions, to repay long-term debt and for other general corporate purposes. As part of this strategy, we attempt to enter into Section 1031 Exchanges, when possible, to defer some or allfunding of the ~~taxable gains on~~unsecured term loan facility. The following table summarizes the ~~sales, if any, for federal~~balance and ~~state income tax purposes.~~terms of our unsecured term loan facility as of December 31, 2018 and 2017:



	December 31, 2018			December 31, 2017
	(in thousands)
Outstanding borrowings	$	150,000		$	—
Remaining borrowing capacity	—			150,000
Total borrowing capacity ⁽¹⁾	$	150,000		$	150,000
Interest rate ⁽²⁾	3.49		%	2.66		%
Undrawn facility fee-annual rate ⁽³⁾	0.200%
Maturity date	July 2022

________________________


(1)	As of December 31, 2018 and 2017, $0.9 million and $1.2 million of unamortized deferred financing costs, respectively, remained to be amortized through the maturity date of our unsecured term loan facility.


(2)	Our unsecured term loan facility interest rate was calculated based on the contractual rate of LIBOR plus 1.100% as of December 31, 2018 and 2017.


(3)	Prior to borrowing the full capacity of our unsecured term loan facility, the undrawn facility fee was calculated based on any unused borrowing capacity and was paid on a quarterly basis.

Capital Recycling Program

In connection with our capital recycling strategy, through December 31, ~~2015,~~2018, we completed the sale of ~~the~~11 properties ~~and land noted above (see Note 4 “Dispositions and Real Estate Held for Sale”~~ to ~~our consolidated financial~~

~~statements included in this report for additional information)~~unaffiliated third parties for gross sales proceeds totaling approximately $335.2 million. In January 2016, we also completed the sale of four operating properties located in San Diego, California and one land parcel located in Carlsbad, California that were classified as held for sale at December 31, 2015 for gross sales proceeds of $266.8$373.0 million. During ~~2014,~~2017, we completed the sale of 1711 office properties and one undeveloped land parcel located in San Diego, California to unaffiliated third

parties ~~in six separate transactions~~ for total gross sales proceeds ~~totaling approximately $432.6~~of $186.6 million. See “—Factors that May Influence Future Operations” and Note 4 “Dispositions” to our consolidated financial statements included in this report for additional information.

We currently anticipate that in ~~2016~~2019 we could raise additional capital through our dispositions program ranging from approximately ~~$300~~$150 million to ~~$600 million, with a midpoint of $450 million, including the $266.8 million we completed in January 2016 as discussed above.~~$350 million. However, any potential future disposition transactions will depend on market conditions and other factors including but not limited to our capital needs and our ability to defer some or all of the taxable gains on the sales. In addition, we cannot assure you that we will dispose of any additional properties or that we will be able to identify and complete the acquisition of suitable replacement properties to effect Section 1031 Exchanges to defer some or all of the taxable capital gains related to our capital recycling program.~~However,~~

Forward Equity Offering

On August 8, 2018, the Company entered into forward equity sale agreements with certain financial institutions acting as forward purchasers in connection with an offering of 5,000,000 shares of common stock at an initial gross offering price of $360.5 million, or $72.10 per share, before underwriting discounts, commissions and offering expenses. The forward purchasers borrowed and sold an aggregate of 5,000,000 shares in the offering. The Company did not receive any ~~potential future disposition transactions will depend on market conditions and other factors including but not limited to our capital needs and our ability to defer some or all~~proceeds from the sale of its shares of common stock by the forward purchasers at the time of the ~~taxable gains on~~offering. The Company currently expects to fully physically settle the ~~sales. In addition, we cannot assure you~~forward sale agreements and receive cash proceeds upon one or more settlement dates, at the Company’s discretion, prior to the final settlement date under the forward sale agreements of August 1, 2019. The forward sale price that we ~~will dispose~~expect to receive upon physical settlement of ~~any additional properties or that we~~the forward equity sale agreements, which was initially $71.68 per share, will be ~~able~~subject to ~~identify~~adjustment for (i) a floating interest rate factor equal to a specified daily rate less a spread, (ii) the forward purchasers’ stock borrowing costs and ~~complete~~(iii) the ~~acquisition of suitable replacement properties to effect Section 1031 Exchanges to defer some or all~~Company’s scheduled dividends during the term of the ~~taxable capital gains related to our capital recycling program.~~forward equity sale agreements. The full amount of this offering remains available for future settlement as of the date of this report.

At-The-Market Stock Offering Program

During the year ended December 31, 2018, the Company completed the 2014 At-The-Market Program and in June 2018 commenced the 2018 At-The-Market Program under which we may offer and sell shares of our common stock with an aggregate gross sales price of up to $500.0 million. Under the 2018 At-The-Market-Program, the Company may, at its discretion, enter into forward equity sale agreements (see “Note 13. Stockholders’ Equity of the Company” to our consolidated financial statements included in this report for additional information). During the year ended December 31, 2018, under the 2014 At-The-Market Program, we sold 1,369,729 shares of common stock and completed the program. Since commencement of the 2018 At-The-Market Program through December 31, 2018, we have sold 447,466 shares of common stock, none of which were sold under forward equity sale agreements. Approximately $466.2 million remains available to be sold under this program.

The following table sets forth information regarding sales of our common stock under our ~~July 2011 and December 2014~~ at-the-market offering programs for the ~~year~~syears ended December 31, ~~2015~~2018 and ~~2014~~:2017:


	Year Ended December 31,				Year Ended December 31,
	2015		2014		2018		2017
	(in millions, except share and per share data)				(in millions, except share and per share data)
Shares of common stock sold during the year	1,866,267		1,599,123		1,817,195		235,077
Weighted average price per common share	$	75.06	$	65.49
Weighted average price per share of common stock					$	73.64	$	75.40
Aggregate gross proceeds	$	140.1	$	104.7	$	133.8	$	17.7
Aggregate net proceeds after underwriting discounts	$	138.2	$	103.1
Aggregate net proceeds after selling commissions					$	132.1	$	17.5

The proceeds from sales were used to fund development expenditures, acquisitions, and general corporate purposes, including repayment of borrowings under the unsecured revolving credit facility. ~~Since commencement of the December 2014 program, through~~ ~~December 31, 2015, we have sold 2,007,767 shares of common stock having a gross sales price of $150.1 million and approximately $149.9 million remains available to be sold under this program.~~ Actual future sales will depend upon a variety of factors, including, but not limited to market conditions, the trading price of the Company’s common stock and our capital needs. We have no obligation to sell the remaining shares available for sale under this program.

~~Common Stock Issuance~~

~~On July 1, 2015, the Company issued and sold 3,773,766 shares of its common stock for net proceeds of $249.6 million through a registered direct placement with an institutional investor.~~

Shelf Registration Statement

things, market conditions, available pricing and capital needs. When the Company receives proceeds from the sales of its preferred or common stock, it generally contributes the net proceeds from those sales to the Operating Partnership in exchange for corresponding preferred or common partnership units of the Operating Partnership. The Operating Partnership may use these proceeds and proceeds from the sale of its debt securities to repay debt, including borrowings under its unsecured revolving credit facility, to develop new or existing properties, to make acquisitions of properties or portfolios of properties, or for general corporate purposes.

Unsecured Senior Notes - Private Placement

In May 2018, the Operating Partnership entered into a purchase agreement in a private placement (the “2018 Note Purchase Agreement”) in connection with the issuance and sale of $50.0 million principal amount of the Operating Partnership’s 4.30% Senior Notes, Series A, due July 18, 2026 (the “Series A Notes due 2026”), and $200.0 million principal amount of the Operating Partnership’s 4.35% Senior Notes, Series B, due October 18, 2026 (the “Series B Notes due 2026” and, together with the Series A Notes due 2026, the “Series A and B Notes due 2026”). The Company drew the full amount of the Series A Notes due 2026 on July 18, 2018. On October 22, 2018, the Company drew the full amount of the Series B Notes due 2026. As of December 31, 2018, there was $50.0 million and $200.0 million issued and outstanding aggregate principal amount of Series A and B Notes due 2026, respectively.

Unsecured Senior Notes - Registered Offerings

In November 2018, the Operating Partnership engaged in an underwritten public offering in connection with the issuance and sale of $400.0 million aggregate principal amount of 4.750% senior notes due 2028. The notes will pay interest semi-annually at a rate of 4.750% per annum on June 15 and December 15 each year, commencing on June 15, 2019, and mature on December 15, 2028. The Operating Partnership intends to allocate an amount equal to the net proceeds from the offering to one or more Eligible Green Projects (as defined in the prospectus supplement related to the offering). Pending the allocation of an amount equal to the net proceeds from the offering to Eligible Green Projects, a portion of the net proceeds were used to early redeem the $250.0 million aggregate principal amount of our outstanding 6.625% unsecured senior notes that were scheduled to mature on June 1, 2020.

Unsecured and Secured Debt

The aggregate principal amount of ~~our~~the unsecured and secured debt of the Operating Partnership outstanding as of December 31, ~~2015~~2018 was as follows:

Aggregate Principal
Amount Outstanding
(in thousands)
Unsecured Term Loan Facility $ 150,000
Unsecured Term Loan 39,000
Unsecured Senior Notes due 2018 325,000
Unsecured Senior Notes due 2020 250,000
Unsecured Senior Notes due 2023 300,000
Unsecured Senior Notes due 2025 400,000
Unsecured Senior Notes due 2029 400,000
Secured Debt⁽¹⁾
375,696
Total Unsecured and Secured Debt 2,239,696
Less: Unamortized Net Discounts (1,188 )
Total Debt, Net of Unamortized Net Discounts $ 2,238,508



	Aggregate Principal Amount Outstanding ⁽¹⁾
	(in thousands)
Unsecured Line of Credit	$	45,000
Unsecured Term Loan Facility	150,000
Unsecured Senior Notes due 2023	300,000
Unsecured Senior Notes due 2024	425,000
Unsecured Senior Notes due 2025	400,000
Unsecured Senior Notes Series A & B due 2026	250,000
Unsecured Senior Notes due 2028	400,000
Unsecured Senior Notes due 2029	400,000
Unsecured Senior Notes Series A & B due 2027 & 2029	250,000
Secured Debt	335,811
Total Unsecured and Secured Debt	2,955,811
Less: Unamortized Net Discounts and Deferred Financing Costs⁽¹⁾	(23,210		)
Total Debt, Net	$	2,932,601

________________________

(1)

~~Excludes $0.6~~Includes $17.4 million of unamortized deferred financing costs on the unsecured term loan facility, unsecured senior notes, and secured debt, ~~related to real estate assets held~~$6.6 million of unamortized discounts for ~~sale as~~the unsecured senior notes and $0.8 million of ~~December 31, 2015.~~

unamortized premiums for the secured debt. Excludes unamortized deferred financing costs on the unsecured revolving credit facility.

Debt Composition

The composition of the Operating Partnership’s aggregate debt balances between secured and unsecured and fixed-rate and variable-rate debt as of December 31, ~~2015~~2018 and ~~December 31, 2014~~2017 was as follows:


	Percentage of Total Debt				Weighted Average Interest Rate ⁽¹⁾				Percentage of Total Debt ⁽¹⁾				Weighted Average Interest Rate⁽¹⁾
	December 31, 2015		December 31, 2014		December 31, 2015		December 31, 2014		December 31, 2018		December 31, 2017		December 31, 2018		December 31, 2017
Secured vs. unsecured:
Unsecured ⁽²⁾	83.2	%	78.3	%	4.3	%	4.2	%	88.6	%	85.6	%	4.0	%	4.2	%
Secured	16.8		21.7		5.1	%	5.2	%	11.4	%	14.4	%	4.4	%	4.4	%
Variable-rate vs. fixed-rate:
Variable-rate(2)	8.4		13.4		1.4	%	1.5	%	6.6	%	—	%	3.5	%	—	%
Fixed-rate ⁽²⁾⁽³⁾	91.6		86.6		4.7	%	4.9	%	93.4	%	100.0	%	4.1	%	4.2	%
Stated rate ⁽²⁾⁽³⁾					4.5	%	4.4	%					4.1	%	4.2	%
GAAP effective rate ⁽³⁾⁽⁴⁾					4.4	%	4.3	%					4.0	%	4.2	%
GAAP effective rate including debt issuance costs					4.6	%	4.5	%					4.2	%	4.4	%

________________________


(1)	As of the end of the period presented.


(2)	As of December 31, 2017, there were no outstanding balances on both the unsecured revolving credit facility and the unsecured term loan facility.


(3)	Excludes the impact of the amortization of any debt discounts/~~premiums.~~premiums and deferred financing costs

~~(3)~~(4) Includes the impact of the amortization of any debt discounts/premiums, excluding ~~debt issuance~~deferred financing costs.

Liquidity Uses

Contractual Obligations

The following table provides information with respect to our contractual obligations as of December 31, ~~2015.~~2018. The table: (i) indicates the maturities and scheduled principal repayments of our secured and unsecured debt ~~and unsecured revolving credit facility;~~outstanding as of December 31, 2018; (ii) indicates the scheduled interest payments of our fixed-rate ~~and variable-rate~~ debt as of December 31, ~~2015;~~2018; (iii) provides information about the minimum commitments due in connection with our ground lease obligations and other lease and contractual commitments; and (iv) provides estimated development commitments as of December 31, ~~2015.~~2018. Note that the table does not reflect our available debt maturity extension options and reflects gross aggregate principal amounts before the effect of unamortized discounts/premiums. We did not have any variable-rate debt outstanding as of December 31, 2018.


	Payment Due by Period										Payment Due by Period
	Less than 1 Year (2016)		2-3 Years (2017-2018)		4-5 Years (2019-2020)		More than 5 Years (After 2020)		Total		Less than 1 Year (2019)		2-3 Years (2020-2021)		4-5 Years (2022-2023)		More than 5 Years (After 2023)		Total
	(in thousands)										(in thousands)
Principal payments: secured debt ⁽¹⁾	$	9,734	$	198,447	$	78,317	$	89,198	$	375,696	$	76,309	$	10,479	$	11,329	$	237,694	$	335,811
Principal payments: unsecured debt ⁽²⁾	—		325,000		439,000		1,100,000		1,864,000		—		—		495,000		2,125,000		2,620,000
Interest payments: fixed-rate debt ⁽³⁾	97,083		172,929		125,411		277,886		673,309		109,479		217,461		205,682		323,736		856,358
Interest payments: variable-rate debt ⁽⁴⁾	2,654		5,308		1,316		—		9,278		5,235		10,470		3,083		—		18,788
Ground lease obligations ⁽⁵⁾	3,144		6,288		6,288		151,738		167,458
Lease and other contractual commitments ⁽⁶⁾	76,967		24,178		—		—		101,145
Development commitments ⁽⁷⁾	230,000		99,000		—		—		329,000
Interest payments: unsecured revolving credit facility ⁽⁵⁾											1,566		3,132		922		—		5,620
Ground lease obligations ⁽⁶⁾											5,154		10,308		10,308		233,619		259,389
Lease and other contractual commitments ⁽⁷⁾											168,000		9,000		100		—		177,100
Development commitments ⁽⁸⁾											412,000		371,000		—		—		783,000
Total	$	419,582	$	831,150	$	650,332	$	1,618,822	$	3,519,886	$	777,743	$	631,850	$	726,424	$	2,920,049	$	5,056,066

___________


(1)	Represents gross aggregate principal amount before the effect of the unamortized premium and deferred financing costs of approximately ~~$6.2~~$0.8 millionand$1.0 millionas of December 31, ~~2015.~~2018.


(2)	Represents gross aggregate principal amount before the effect of the unamortized discount and deferred financing costs of approximately ~~$7.4~~$6.6 millionand$16.3 million as of December 31, ~~2015.~~2018.


(3)	As of December 31, ~~2015, 91.6%~~ 2018,93.4%of our debt was contractually fixed. The information in the table above reflects our projected interest rate obligations for these fixed-rate payments based on the contractual interest rates on an accrual basis and scheduled maturity dates.

(4)

As of December 31, ~~2015, 8.4%~~2018, 5.1% of our debt bore interest at variable rates which was incurred under the unsecured term loan ~~facility and unsecured term loan.~~facility. The variable interest rate payments are based on the contractual rate of LIBOR plus ~~a spread of 1.150%~~1.100% as of December 31, ~~2015.~~2018. The information in the table above reflects our projected interest rate obligations for these variable-rate payments based on the outstanding principal ~~balances~~balance as of December 31, ~~2015,~~2018, the scheduled interest payment dates and the contractual maturity ~~dates.~~date.

(5)

As of December 31, 2018, 1.5% of our debt bore interest at variable rates which was incurred under the unsecured revolving credit facility. The variable interest rate payments are based the contractual rate of LIBOR plus 1.000% as of December 31, 2018. The information in the table above reflects our projected interest rate obligations for these variable-rate payments based on the outstanding principal balances as of December 31, 2018, the scheduled interest payment dates and the contractual maturity date.


(6)	Reflects minimum lease payments through the contractual lease expiration date before the impact of extension options. See Note 18 “Commitments and Contingencies” to our consolidated financial statements included in this report for further information.


~~(6)~~(7)	Amounts represent cash commitments under signed leases and contracts for operating properties, excluding tenant-funded tenant improvements, and for other contractual commitments. The timing of these expenditures may fluctuate.

~~(7)~~(8)

Amounts represent commitments under signed leases for pre-leased development projects and contractual commitments for projects in the tenant improvement phase and under construction as of December 31, ~~2015.~~2018. The timing of these expenditures may fluctuate based on the ultimate progress of construction. We may start additional construction in ~~2016~~2019 (see “—Development” for additional information).

Other Liquidity Uses

Development

As of December 31, ~~2015~~,2018, we had ~~five~~three development projects under construction. These projects have a total estimated investment of approximately ~~$1.2~~$1.6 billion, of which we have incurred approximately ~~$774.7~~$798.8 million and committed an additional ~~$329.0~~$653.0 million as of December 31, ~~2015.~~2018.In addition, as of December 31, 2018, we had two

development projects in the tenant improvement phase. These projects have a total estimated investment of approximately $855.0 million of which we have incurred approximately $710.0 million, net of retention, and committed an additional $129.0 million as of December 31, 2018. Including the information in the table above we currently believe we may spend between $500.0 million to $600.0 million on development projects throughout 2019. Ultimate timing of these expenditures may fluctuate given construction progress and leasing status of the projects. In addition, depending on market condition, we currently estimate we could potentially spend an additional $0 - $250 million on these and additional development projects that we may commence construction on in 2016. We expect that any material additional development activities will be funded with borrowings under the unsecured revolving credit facility, the public or private issuance of debt or equity securities, or the disposition of assets under our capital recycling ~~program.~~program, or strategic venture opportunities.

Debt Maturities

We believe our conservative leverage and staggered debt maturities provide us with financial flexibility and enhance our ability to obtain additional sources of liquidity if necessary, and, therefore, we believe we are well-positioned to refinance or repay maturing debt and to pursue our strategy of seeking attractive acquisition opportunities, which we may finance, as necessary, with future public and private issuances of debt and equity securities. However, we can provide no assurance that we will have access to the public or private debt or equity markets in the future on favorable terms or at all. In February 2019, we repaid, at par, a secured mortgage note payable with a balance of $74.5 million at December 31, 2018 that was due to mature in June 2019. Our next debt maturities occur in July 2022.

~~Potential Future Acquisitions~~Distribution Requirements

The Company is required to distribute 90% of its taxable income (subject to certain adjustments and excluding net capital gains) on an annual basis to maintain qualification as a REIT for federal income tax purposes and is required to pay income tax at regular corporate rates to the extent it distributes less than 100% of its taxable income (including capital gains). As a result of these distribution requirements, the Operating Partnership cannot rely on retained earnings to fund its on-going operations to the same extent as other companies whose parent companies are not REITs. In addition, the Company may be required to use borrowings under the Operating Partnership’s revolving credit facility, if necessary, to meet REIT distribution requirements and maintain its REIT status. The Company may also need to continue to raise capital in the equity markets to fund the Operating Partnership’s working capital needs, as well as potential developments of new or existing properties or acquisitions.

The Company intends to continue to make, but has not committed to make, regular quarterly cash distributions to common stockholders, and through the Operating Partnership, common unitholders from the Operating Partnership’s cash flow from operating activities. All such distributions are at the discretion of the Board of Directors. In 2018, the Company’s distributions exceeded 100% of its taxable income, resulting in a return of capital to its stockholders. As the Company intends to maintain distributions at a level sufficient to meet the REIT distribution requirements and

minimize its obligation to pay income and excise taxes, it will continue to evaluate whether the current levels of distribution are sufficient to do so for 2019. In addition, in the event the Company is unable to identify and complete the acquisition of suitable replacement properties to effect Section 1031 Exchanges or is unable to successfully complete Section 1031 Exchanges to defer some or all of the taxable gains related to property dispositions, the Company may elect to distribute a special dividend to its common stockholders and common unitholders in order to minimize or eliminate income taxes on such gains. The Company considers market factors and its performance in addition to REIT requirements in determining its distribution levels. Amounts accumulated for distribution to stockholders are invested primarily in interest-bearing accounts and short-term interest-bearing securities, which is consistent with the Company’s intention to maintain its qualification as a REIT. Such investments may include, for example, obligations of the Government National Mortgage Association, other governmental agency securities, certificates of deposit, and interest-bearing bank deposits.

On December 11, 2018, the Board of Directors declared a regular quarterly cash dividend of $0.455 per share of common stock. The regular quarterly cash dividend is payable to stockholders of record on December 31, 2018 and a corresponding cash distribution of $0.455 per Operating Partnership units is payable to holders of the Operating Partnership’s common limited partnership interests of record on December 31, 2018, including those owned by the Company. The total cash quarterly dividends and distributions paid on January 15, 2019 were $46.8 million.

Debt Covenants

The covenants contained within certain of our unsecured debt obligations generally prohibit the Company from paying dividends during an event of default in excess of an amount which results in distributions to us in an amount sufficient to permit us to pay dividends to our stockholders that we reasonably believe are necessary to (a) maintain our qualification as a REIT for federal and state income tax purposes and (b) avoid the payment of federal or state income or excise tax.

Capitalization

As of December 31, 2018, our total debt as a percentage of total market capitalization was 31.4%, which was calculated based on the closing price per share of the Company’s common stock of $62.88 on December 31, 2018 as shown in the following table:



	Shares/Units at December 31, 2018	Aggregate Principal Amount or $ Value Equivalent		% of Total Market Capitalization
	($ in thousands)
Debt: ⁽¹⁾
Unsecured Line of Credit		$	45,000	0.5	%
Unsecured Term Loan Facility		150,000		1.6
Unsecured Senior Notes due 2023		300,000		3.2
Unsecured Senior Notes due 2024		425,000		4.5
Unsecured Senior Notes due 2025		400,000		4.3
Unsecured Senior Notes Series A & B due 2026		250,000		2.6
Unsecured Senior Notes due 2028		400,000		4.3
Unsecured Senior Notes due 2029		400,000		4.3
Unsecured Senior Notes Series A & B due 2027 & 2029		250,000		2.6
Secured debt		335,811		3.5
Total debt		2,955,811		31.4
Equity and Noncontrolling Interests in the Operating Partnership: ⁽²⁾
Common limited partnership units outstanding ⁽²⁾	2,025,287	127,350		1.3
Shares of common stock outstanding ^{(3) (4)}	100,746,988	6,334,971		67.3
Total Equity and Noncontrolling Interests in the Operating Partnership		6,462,321		68.6
Total Market Capitalization		$	9,418,132	100.0	%

________________________


(1)	Represents gross aggregate principal amount due at maturity before the effect of the following at December 31, 2018: $17.4 million of unamortized deferred financing costs on the unsecured term loan facility, unsecured senior notes and secured debt, $6.6 million of unamortized discounts for the unsecured senior notes and $0.8 million of unamortized premiums for the secured debt.


(2)	Includes common units of the Operating Partnership not owned by the Company; does not include noncontrolling interests in consolidated property partnerships.


(3)	Value based on closing price per share of our common stock of $62.88 as of December 31, 2018.


(4)	In August, the Company completed a public offering of 5,000,000 shares of common stock priced at $72.10 per share structured as a forward sale. Shares of common stock outstanding do not include any amounts related to this public offering as the Company has not issued any shares of our common stock under the related forward sale agreements as of the date of this report.

Liquidity and Capital Resources of the Operating Partnership

General

Our primary liquidity sources and uses are as follows:

Liquidity Sources

Net cash flow from operations;

Borrowings under the Operating Partnership’s unsecured revolving credit facility and term loan facility;

Proceeds from our capital recycling program, including the disposition of nonstrategic assets and the formation of strategic ventures;

Proceeds from additional secured or unsecured debt financings; and

Proceeds from public or private issuance of debt or equity securities.

Liquidity Uses

Development and redevelopment costs;

Operating property or undeveloped land acquisitions;

Property operating and corporate expenses;

Capital expenditures, tenant improvement and leasing costs;

Debt service and principal payments, including debt maturities;

Distributions to common security holders;

Repurchases and redemptions of outstanding common stock of the Company; and

Outstanding debt repurchases, redemptions and repayments.

General Strategy

Our general strategy is to maintain a conservative balance sheet with a strong credit profile and to maintain a capital structure that allows for financial flexibility and diversification of capital resources. We manage our capital structure to reflect a long-term investment approach and utilize multiple sources of capital to meet our long-term capital requirements. We believe that our current projected liquidity requirements for the next twelve-month period, as set forth above under the caption “—Liquidity Uses,” will be satisfied using a combination of the liquidity sources listed above, although there can be no assurance in this regard. We believe our conservative leverage and staggered debt maturities provide us with financial flexibility and enhance our ability to obtain additional sources of liquidity if necessary, and, therefore, we are well-positioned to refinance or repay maturing debt and to pursue our strategy of seeking attractive acquisition opportunities, which we may finance, as necessary, with future public and private issuances of debt and equity securities.

2018 Capital and Financing Transactions

We continue to be active in the capital markets and our capital recycling program to finance our acquisition and development activity and our continued desire to extend our debt maturities. This was primarily a result of the following activity:

Capital Recycling Program

During the year ended December 31, ~~2015,~~2018, we ~~acquired two development opportunities for approximately $127.5 million in cash. In 2014, we acquired five~~completed the sale of 11 office buildings ~~and three undeveloped land sites~~to unaffiliated third parties for gross sales proceeds totaling approximately~~$351.0 million in cash. These transactions were funded through various~~ $373.0 million.

Capital Markets / Debt Transactions

In addition to obtaining funding from our capital recycling program during 2018, we successfully completed the following financing and capital raising activities to fund our continued growth. We continued to strengthen our balance sheet and ~~in selected instances,~~lower our overall cost of capital.

Borrowed the ~~assumption~~full $150.0 million borrowing capacity of our unsecured term loan facility;

Completed the previously existing ~~indebtedness~~at-the-market stock offering program (the “2014 At-The-Market Program”), and ~~issuance~~commenced a new at-the-market stock offering program (the “2018 At-The-Market Program”) under which we may currently offer and sell shares of our common stock with an aggregate gross sales price of up to $500.0 million. During 2018, a total of 1,817,195 shares of common ~~stock.~~stock

~~As part~~

were issued under both programs for aggregate net proceeds of $132.1 million. Under the 2018 At-The-Market-Program, we may, at our discretion, enter into forward equity sale agreements;

Issued $50.0 million of 8-year 4.30% unsecured senior notes and $200.0 million of 8-year 4.35% unsecured senior notes maturing in July 2026 and October 2026, respectively, in connection with a private placement;

Entered into forward equity sale agreements in connection with an underwritten public offering of 5,000,000 common shares at an initial gross offering price of $360.5 million, or $72.10 per share. The full amount of this offering remains available for future settlement as of the date of this filing;

Issued $400.0 million aggregate principal amount of 10-year, 4.750% senior unsecured notes maturing in December 2028 in an underwritten public offering; and

Completed the early redemption of all $250.0 million of the Company’s 6.625% unsecured senior notes due June 2020, resulting in a $12.6 million loss on early extinguishment of debt.

Liquidity Sources

Unsecured Revolving Credit Facility and Term Loan Facility

The following table summarizes the balance and terms of our ~~growth~~unsecured revolving credit facility as of December 31, 2018 and 2017:



	December 31, 2018			December 31, 2017
	(in thousands)
Outstanding borrowings	$	45,000		$	—
Remaining borrowing capacity	705,000			750,000
Total borrowing capacity ⁽¹⁾	$	750,000		$	750,000
Interest rate ⁽²⁾	3.48		%	2.56		%
Facility fee-annual rate ⁽³⁾	0.200%
Maturity date	July 2022

_______________


(1)	We may elect to borrow, subject to bank approval and obtaining commitments for any additional borrowing capacity, up to an additional $600.0 million under an accordion feature under the terms of the unsecured revolving credit facility and unsecured term loan facility.


(2)	Our unsecured revolving credit facility interest rate was calculated based on the contractual rate of LIBOR plus 1.000% as of December 31, 2018 and 2017, respectively.

(3)

Our facility fee is paid on a quarterly basis and is calculated based on the total borrowing capacity. In addition to the facility fee, we incurred debt origination and legal costs. As of December 31, 2018 and 2017, $4.7 million and $6.0 million of unamortized deferred financing costs, respectively, which are included in prepaid expenses and other assets, net on our consolidated balance sheets, remained to be amortized through the maturity date of our unsecured revolving credit facility.

We intend to borrow under the unsecured revolving credit facility as necessary for general corporate purposes, to finance development and redevelopment expenditures, to fund potential acquisitions and to potentially repay long-term debt.



	December 31, 2018			December 31, 2017
	(in thousands)
Outstanding borrowings	$	150,000		$	—
Remaining borrowing capacity	—			150,000
Total borrowing capacity ⁽¹⁾	$	150,000		$	150,000
Interest rate ⁽²⁾	3.49		%	2.66		%
Undrawn facility fee-annual rate ⁽³⁾	0.200%
Maturity date	July 2022

________________________


(1)	As of December 31, 2018 and 2017, $0.9 million and $1.2 million of unamortized deferred financing costs, respectively, remained to be amortized through the maturity date of our unsecured term loan facility.


(2)	Our unsecured term loan facility interest rate was calculated based on the contractual rate of LIBOR plus 1.100% as of December 31, 2018 and 2017.


(3)	Prior to borrowing the full capacity of our unsecured term loan facility, the undrawn facility fee was calculated based on any unused borrowing capacity and was paid on a quarterly basis.

Capital Recycling Program

In connection with our capital recycling strategy, ~~which is highly dependent~~through December 31, 2018, we completed the sale of 11 properties to unaffiliated third parties for gross sales proceeds totaling approximately $373.0 million. During 2017, we completed the sale of 11 office properties and one undeveloped land parcel located in San Diego, California to unaffiliated third

parties for total gross sales proceeds of $186.6 million. See “—Factors that May Influence Future Operations” and Note 4 “Dispositions” to our consolidated financial statements included in this report for additional information.

We currently anticipate that in 2019 we could raise additional capital through our dispositions program ranging from approximately $150 million to $350 million. However, any potential future disposition transactions will depend on market conditions and ~~business cycles, among~~ other factors including but not limited to our capital needs and our ability to defer some or all of the taxable gains on the sales. In addition, we ~~continue~~cannot assure you that we will dispose of any additional properties or that we will be able to ~~evaluate strategic opportunities~~identify and ~~remain~~complete the acquisition of suitable replacement properties to effect Section 1031 Exchanges to defer some or all of the taxable capital gains related to our capital recycling program.

Forward Equity Offering

On August 8, 2018, the Company entered into forward equity sale agreements with certain financial institutions acting as forward purchasers in connection with an offering of 5,000,000 shares of common stock at an initial gross offering price of $360.5 million, or $72.10 per share, before underwriting discounts, commissions and offering expenses. The forward purchasers borrowed and sold an aggregate of 5,000,000 shares in the offering. The Company did not receive any proceeds from the sale of its shares of common stock by the forward purchasers at the time of the offering. The Company currently expects to fully physically settle the forward sale agreements and receive cash proceeds upon one or more settlement dates, at the Company’s discretion, prior to the final settlement date under the forward sale agreements of August 1, 2019. The forward sale price that we expect to receive upon physical settlement of the forward equity sale agreements, which was initially $71.68 per share, will be subject to adjustment for (i) a ~~disciplined buyer~~floating interest rate factor equal to a specified daily rate less a spread, (ii) the forward purchasers’ stock borrowing costs and (iii) the Company’s scheduled dividends during the term of the forward equity sale agreements. The full amount of this offering remains available for future settlement as of the date of this report.

At-The-Market Stock Offering Program

The following table sets forth information regarding sales of our common stock under our at-the-market offering programs for the years ended December 31, 2018 and 2017:



	Year Ended December 31,
	2018		2017
	(in millions, except share and per share data)
Shares of common stock sold during the year	1,817,195		235,077
Weighted average price per share of common stock	$	73.64	$	75.40
Aggregate gross proceeds	$	133.8	$	17.7
Aggregate net proceeds after selling commissions	$	132.1	$	17.5

The proceeds from sales were used to fund development expenditures, acquisitions, and ~~redevelopment opportunities as well as value-add operating properties. We continue to focus on growth opportunities in West Coast markets populated by knowledge and creative based tenants in~~general corporate purposes, including repayment of borrowings under the unsecured revolving credit facility. Actual future sales will depend upon a variety of ~~industries,~~factors, including, ~~technology, media, healthcare, entertainment~~but not limited to market conditions, the trading price of the Company’s common stock and ~~professional services. Against~~our capital needs. We have no obligation to sell the ~~backdrop~~remaining shares available for sale under this program.

Shelf Registration Statement

As discussed above under “—Liquidity and Capital Resources of the Company,” the Company is a well-known seasoned issuer and the Company and the Operating Partnership have an effective shelf registration statement that provides for the public offering and sale from time to time by the Company of its preferred stock, common stock, depository shares and guarantees of debt securities and by the Operating Partnership of its debt securities, in each case in unlimited amounts. The Company evaluates the capital markets on an ongoing basis for opportunities to raise capital, and, as circumstances warrant, the Company and the Operating Partnership may issue securities of all of these types in one or more offerings at any time and from time to time on an opportunistic basis, depending upon, among other things, market ~~volatility, we expect~~conditions, available pricing and capital needs. When the Company receives proceeds from the sales of its preferred or common stock, it generally contributes the net proceeds from those sales to ~~manage~~the Operating Partnership in exchange for corresponding preferred or common partnership units of the Operating Partnership. The Operating Partnership may use these proceeds and proceeds from the sale of its debt securities to repay debt, including borrowings under its unsecured revolving credit facility, to develop new or existing properties, to make acquisitions of properties or portfolios of properties, or for general corporate purposes.

Unsecured Senior Notes - Private Placement

In May 2018, the Operating Partnership entered into a ~~strong balance sheet, execute~~purchase agreement in a private placement (the “2018 Note Purchase Agreement”) in connection with the issuance and sale of $50.0 million principal amount of the Operating Partnership’s 4.30% Senior Notes, Series A, due July 18, 2026 (the “Series A Notes due 2026”), and $200.0 million principal amount of the Operating Partnership’s 4.35% Senior Notes, Series B, due October 18, 2026 (the “Series B Notes due 2026” and, together with the Series A Notes due 2026, the “Series A and B Notes due 2026”). The Company drew the full amount of the Series A Notes due 2026 on July 18, 2018. On October 22, 2018, the Company drew the full amount of the Series B Notes due 2026. As of December 31, 2018, there was $50.0 million and $200.0 million issued and outstanding aggregate principal amount of Series A and B Notes due 2026, respectively.

Unsecured Senior Notes - Registered Offerings

In November 2018, the Operating Partnership engaged in an underwritten public offering in connection with the issuance and sale of $400.0 million aggregate principal amount of 4.750% senior notes due 2028. The notes will pay interest semi-annually at a rate of 4.750% per annum on June 15 and December 15 each year, commencing on June 15, 2019, and mature on December 15, 2028. The Operating Partnership intends to allocate an amount equal to the net proceeds from the offering to one or more Eligible Green Projects (as defined in the prospectus supplement related to the offering). Pending the allocation of an amount equal to the net proceeds from the offering to Eligible Green Projects, a portion of the net proceeds were used to early redeem the $250.0 million aggregate principal amount of our ~~development program~~outstanding 6.625% unsecured senior notes that were scheduled to mature on June 1, 2020.

Unsecured and ~~selectively evaluate opportunities that either add immediate Net~~Secured Debt

The aggregate principal amount of the unsecured and secured debt of the Operating ~~Income~~Partnership outstanding as of December 31, 2018 was as follows:



	Aggregate Principal Amount Outstanding ⁽¹⁾
	(in thousands)
Unsecured Line of Credit	$	45,000
Unsecured Term Loan Facility	150,000
Unsecured Senior Notes due 2023	300,000
Unsecured Senior Notes due 2024	425,000
Unsecured Senior Notes due 2025	400,000
Unsecured Senior Notes Series A & B due 2026	250,000
Unsecured Senior Notes due 2028	400,000
Unsecured Senior Notes due 2029	400,000
Unsecured Senior Notes Series A & B due 2027 & 2029	250,000
Secured Debt	335,811
Total Unsecured and Secured Debt	2,955,811
Less: Unamortized Net Discounts and Deferred Financing Costs⁽¹⁾	(23,210		)
Total Debt, Net	$	2,932,601

________________________


(1)	Includes $17.4 million of unamortized deferred financing costs on the unsecured term loan facility, unsecured senior notes, and secured debt, $6.6 million of unamortized discounts for the unsecured senior notes and $0.8 million of unamortized premiums for the secured debt. Excludes unamortized deferred financing costs on the unsecured revolving credit facility.

Debt Composition

The composition of the Operating Partnership’s aggregate debt balances between secured and unsecured and fixed-rate and variable-rate debt as of December 31, 2018 and 2017 was as follows:



	Percentage of Total Debt ⁽¹⁾				Weighted Average Interest Rate⁽¹⁾
	December 31, 2018		December 31, 2017		December 31, 2018		December 31, 2017
Secured vs. unsecured:
Unsecured ⁽²⁾	88.6	%	85.6	%	4.0	%	4.2	%
Secured	11.4	%	14.4	%	4.4	%	4.4	%
Variable-rate vs. fixed-rate:
Variable-rate ⁽²⁾	6.6	%	—	%	3.5	%	—	%
Fixed-rate ⁽³⁾	93.4	%	100.0	%	4.1	%	4.2	%
Stated rate ⁽³⁾					4.1	%	4.2	%
GAAP effective rate ⁽⁴⁾					4.0	%	4.2	%
GAAP effective rate including debt issuance costs					4.2	%	4.4	%

________________________


(1)	As of the end of the period presented.


(2)	As of December 31, 2017, there were no outstanding balances on both the unsecured revolving credit facility and the unsecured term loan facility.


(3)	Excludes the impact of the amortization of any debt discounts/premiums and deferred financing costs

(4) Includes the impact of the amortization of any debt discounts/premiums, excluding deferred financing costs.

Liquidity Uses

Contractual Obligations

The following table provides information with respect to our ~~portfolio or play~~contractual obligations as of December 31, 2018. The table: (i) indicates the maturities and scheduled principal repayments of our secured and unsecured debt outstanding as of December 31, 2018; (ii) indicates the scheduled interest payments of our fixed-rate debt as of December 31, 2018; (iii) provides information about the minimum commitments due in connection with our ground lease obligations and other lease and contractual commitments; and (iv) provides estimated development commitments as of December 31, 2018. Note that the table does not reflect our available debt maturity extension options and reflects gross aggregate principal amounts before the effect of unamortized discounts/premiums. We did not have any variable-rate debt outstanding as of December 31, 2018.



	Payment Due by Period
	Less than 1 Year (2019)		2-3 Years (2020-2021)		4-5 Years (2022-2023)		More than 5 Years (After 2023)		Total
	(in thousands)
Principal payments: secured debt ⁽¹⁾	$	76,309	$	10,479	$	11,329	$	237,694	$	335,811
Principal payments: unsecured debt ⁽²⁾	—		—		495,000		2,125,000		2,620,000
Interest payments: fixed-rate debt ⁽³⁾	109,479		217,461		205,682		323,736		856,358
Interest payments: variable-rate debt ⁽⁴⁾	5,235		10,470		3,083		—		18,788
Interest payments: unsecured revolving credit facility ⁽⁵⁾	1,566		3,132		922		—		5,620
Ground lease obligations ⁽⁶⁾	5,154		10,308		10,308		233,619		259,389
Lease and other contractual commitments ⁽⁷⁾	168,000		9,000		100		—		177,100
Development commitments ⁽⁸⁾	412,000		371,000		—		—		783,000
Total	$	777,743	$	631,850	$	726,424	$	2,920,049	$	5,056,066

___________


(1)	Represents gross aggregate principal amount before the effect of the unamortized premium and deferred financing costs of approximately$0.8 millionand$1.0 millionas of December 31, 2018.


(2)	Represents gross aggregate principal amount before the effect of the unamortized discount and deferred financing costs of approximately$6.6 millionand$16.3 million as of December 31, 2018.


(3)	As of December 31, 2018,93.4%of our debt was contractually fixed. The information in the table above reflects our projected interest rate obligations for these fixed-rate payments based on the contractual interest rates on an accrual basis and scheduled maturity dates.

(4)

As of December 31, 2018, 5.1% of our debt bore interest at variable rates which was incurred under the unsecured term loan facility. The variable interest rate payments are based on the contractual rate of LIBOR plus 1.100% as of December 31, 2018. The information in the table above reflects our projected interest rate obligations for these variable-rate payments based on the outstanding principal balance as of December 31, 2018, the scheduled interest payment dates and the contractual maturity date.

(5)


(6)	Reflects minimum lease payments through the contractual lease expiration date before the impact of extension options. See Note 18 “Commitments and Contingencies” to our consolidated financial statements included in this report for further information.


(7)	Amounts represent cash commitments under signed leases and contracts for operating properties, excluding tenant-funded tenant improvements, and for other contractual commitments. The timing of these expenditures may fluctuate.

(8)

Amounts represent commitments under signed leases for pre-leased development projects and contractual commitments for projects in the tenant improvement phase and under construction as of December 31, 2018. The timing of these expenditures may fluctuate based on the ultimate progress of construction. We may start additional construction in 2019 (see “—Development” for additional information).

Other Liquidity Uses

Development

As of December 31, 2018, we had three development projects under construction. These projects have a ~~strategic role~~total estimated investment of approximately $1.6 billion, of which we have incurred approximately $798.8 million and committed an additional $653.0 million as of December 31, 2018.In addition, as of December 31, 2018, we had two

development projects in ~~our future growth.~~the tenant improvement phase. These projects have a total estimated investment of approximately $855.0 million of which we have incurred approximately $710.0 million, net of retention, and committed an additional $129.0 million as of December 31, 2018. Including the information in the table above we currently believe we may spend between $500.0 million to $600.0 million on development projects throughout 2019. Ultimate timing of these expenditures may fluctuate given construction progress and leasing status of the projects. We expect that any material ~~acquisitions~~additional development activities will be funded with borrowings under the unsecured revolving credit facility, the public or private issuance of debt or equity securities, the disposition of assets under our capital recycling program, or ~~through the assumption of existing debt.~~strategic venture opportunities.

Debt Maturities

As of December 31, 2015, $9.7 million in principal payments will be paid during the year ended December 31, 2016 and our next debt maturity of $64.3 million of secured debt will occur in February 2017. We believe our conservative leverage and staggered debt maturities provide us with financial flexibility and enhance our ability to obtain additional sources of liquidity if necessary, and, therefore, we believe we are well-positioned to refinance or repay maturing debt and to pursue our strategy of seeking attractive acquisition opportunities, which we may finance, as necessary, with future public and private issuances of debt and equity securities. However, we can provide no assurance that we will have access to the public or private debt or equity markets in the future on favorable terms or at all. In February 2019, we repaid, at par, a secured mortgage note payable with a balance of $74.5 million at December 31, 2018 that was due to mature in June 2019. Our next debt maturities occur in July 2022.

~~Potential Future Leasing Costs and Capital Improvements~~

The amounts we incur for tenant improvements and leasing costs depend on leasing activity in each period. Tenant improvements and leasing costs generally fluctuate in any given period depending on factors such as the type and condition of the property, the term of the lease, the type of the lease, the involvement of external leasing agents, and overall market conditions. Capital expenditures may fluctuate in any given period subject to the nature, extent, and timing of improvements required to maintain our properties.

For properties within our stabilized portfolio, excluding our development properties, we believe we could spend approximately $25.0 million to $50.0 million in capital improvements, tenant improvements and leasing costs in 2016, in addition to the lease and contractual commitments included in our capital commitments table above. The amount we ultimately spend will depend on leasing activity during 2016.

The following tables set forth our historical actual capital expenditures, and tenant improvements and leasing costs for deals commenced, excluding tenant-funded tenant improvements, for renewed and re-tenanted space within our stabilized portfolio for each of the three years during the period ended ~~December 31, 2015~~ ~~on a per square foot basis.~~

Year Ended December 31,
2015 2014 2013
Office Properties:⁽¹⁾

Capital Expenditures:
Capital expenditures per square foot $ 1.23
$ 0.84
$ 0.73
Tenant Improvement and Leasing Costs ⁽²⁾

Replacement tenant square feet ⁽³⁾
797,560
741,573
850,295
Tenant improvements per square foot commenced $ 42.25
$ 39.06
$ 39.24
Leasing commissions per square foot commenced $ 14.53
$ 11.42
$ 12.25
Total per square foot $ 56.78
$ 50.48
$ 51.48
Renewal tenant square feet 627,783
1,333,231
1,188,308
Tenant improvements per square foot commenced $ 18.44
$ 14.23
$ 16.90
Leasing commissions per square foot commenced $ 9.36
$ 9.71
$ 10.32
Total per square foot $ 27.80
$ 23.94
$ 27.22
Total per square foot per year $ 7.34
$ 5.81
$ 5.97
Average remaining lease term (in years) 6.0
5.8
6.3

~~________________________~~


~~(1)~~	~~Excludes development properties.~~


~~(2)~~	~~Includes only tenants with lease terms of 12 months or longer. Excludes leases for month-to-month and first generation tenants.~~


~~(3)~~	~~Excludes leases for which the space was vacant for longer than one year, or vacant when the property was acquired by the Company.~~

~~Capital expenditures per square foot generally increased~~in 2015 as compared to 2014 due to the mix of leases executed and/or commenced during 2015. We currently anticipate capital expenditures, tenant improvement and leasing costs for 2016 to be generally consistent with 2015 levels, however the ultimate costs incurred will depend upon market conditions and actual leasing activity.

Distribution Requirements

~~For~~The Company is required to distribute 90% of its taxable income (subject to certain adjustments and excluding net capital gains) on an annual basis to maintain qualification as a ~~discussion~~REIT for federal income tax purposes and is required to pay income tax at regular corporate rates to the extent it distributes less than 100% of its taxable income (including capital gains). As a result of these distribution requirements, the Operating Partnership cannot rely on retained earnings to fund its on-going operations to the same extent as other companies whose parent companies are not REITs. In addition, the Company may be required to use borrowings under the Operating Partnership’s revolving credit facility, if necessary, to meet REIT distribution requirements and maintain its REIT status. The Company may also need to continue to raise capital in the equity markets to fund the Operating Partnership’s working capital needs, as well as potential developments of new or existing properties or acquisitions.

The Company intends to continue to make, but has not committed to make, regular quarterly cash distributions to common stockholders, and through the Operating Partnership, common unitholders from the Operating Partnership’s cash flow from operating activities. All such distributions are at the discretion of the Board of Directors. In 2018, the Company’s distributions exceeded 100% of its taxable income, resulting in a return of capital to its stockholders. As the Company intends to maintain distributions at a level sufficient to meet the REIT distribution requirements and

Debt Covenants

The covenants contained within certain of our ~~dividend~~unsecured debt obligations generally prohibit the Company from paying dividends during an event of default in excess of an amount which results in distributions to us in an amount sufficient to permit us to pay dividends to our stockholders that we reasonably believe are necessary to (a) maintain our qualification as a REIT for federal and ~~distribution requirements, see~~state income tax purposes and (b) avoid the payment of federal or state income or excise tax.

Capitalization



	Shares/Units at December 31, 2018	Aggregate Principal Amount or $ Value Equivalent		% of Total Market Capitalization
	($ in thousands)
Debt: ⁽¹⁾
Unsecured Line of Credit		$	45,000	0.5	%
Unsecured Term Loan Facility		150,000		1.6
Unsecured Senior Notes due 2023		300,000		3.2
Unsecured Senior Notes due 2024		425,000		4.5
Unsecured Senior Notes due 2025		400,000		4.3
Unsecured Senior Notes Series A & B due 2026		250,000		2.6
Unsecured Senior Notes due 2028		400,000		4.3
Unsecured Senior Notes due 2029		400,000		4.3
Unsecured Senior Notes Series A & B due 2027 & 2029		250,000		2.6
Secured debt		335,811		3.5
Total debt		2,955,811		31.4
Equity and Noncontrolling Interests in the Operating Partnership: ⁽²⁾
Common limited partnership units outstanding ⁽²⁾	2,025,287	127,350		1.3
Shares of common stock outstanding ^{(3) (4)}	100,746,988	6,334,971		67.3
Total Equity and Noncontrolling Interests in the Operating Partnership		6,462,321		68.6
Total Market Capitalization		$	9,418,132	100.0	%

________________________


(1)	Represents gross aggregate principal amount due at maturity before the effect of the following at December 31, 2018: $17.4 million of unamortized deferred financing costs on the unsecured term loan facility, unsecured senior notes and secured debt, $6.6 million of unamortized discounts for the unsecured senior notes and $0.8 million of unamortized premiums for the secured debt.


(2)	Includes common units of the Operating Partnership not owned by the Company; does not include noncontrolling interests in consolidated property partnerships.


(3)	Value based on closing price per share of our common stock of $62.88 as of December 31, 2018.


(4)	In August, the Company completed a public offering of 5,000,000 shares of common stock priced at $72.10 per share structured as a forward sale. Shares of common stock outstanding do not include any amounts related to this public offering as the Company has not issued any shares of our common stock under the related forward sale agreements as of the date of this report.

Liquidity and Capital Resources of the Operating Partnership

~~Other Potential~~ General

Our primary liquidity sources and uses are as follows:

Liquidity Sources

Net cash flow from operations;

Borrowings under the Operating Partnership’s unsecured revolving credit facility and term loan facility;

Proceeds from our capital recycling program, including the disposition of nonstrategic assets and the formation of strategic ventures;

Proceeds from additional secured or unsecured debt financings; and

Proceeds from public or private issuance of debt or equity securities.

Liquidity Uses

~~The amounts~~Development and redevelopment costs;

Operating property or undeveloped land acquisitions;

Property operating and corporate expenses;

Capital expenditures, tenant improvement and leasing costs;

Debt service and principal payments, including debt maturities;

Distributions to common security holders;

Repurchases and redemptions of outstanding common stock of the Company; and

Outstanding debt repurchases, redemptions and repayments.

General Strategy

Our general strategy is to maintain a conservative balance sheet with a strong credit profile and to maintain a capital structure that allows for financial flexibility and diversification of capital resources. We manage our capital structure to reflect a long-term investment approach and utilize multiple sources of capital to meet our long-term capital requirements. We believe that our current projected liquidity requirements for the next twelve-month period, as set forth above under the caption “—Liquidity Uses,” will be satisfied using a combination of the liquidity sources listed above, although there can be no assurance in this regard. We believe our conservative leverage and staggered debt maturities provide us with financial flexibility and enhance our ability to obtain additional sources of liquidity if necessary, and, therefore, we are ~~required~~well-positioned to ~~spend~~refinance or repay maturing debt and to pursue our strategy of seeking attractive acquisition opportunities, which we may finance, as necessary, with future public and private issuances of debt and equity securities.

2018 Capital and Financing Transactions

Capital Recycling Program

During the year ended December 31, 2018, we completed the sale of 11 office buildings to unaffiliated third parties for gross sales proceeds totaling approximately $373.0 million.

Capital Markets / Debt Transactions

Borrowed the full $150.0 million borrowing capacity of our unsecured term loan facility;

Completed the previously existing at-the-market stock offering program (the “2014 At-The-Market Program”), and commenced a new at-the-market stock offering program (the “2018 At-The-Market Program”) under which we may currently offer and sell shares of our common stock with an aggregate gross sales price of up to $500.0 million. During 2018, a total of 1,817,195 shares of common stock

were issued under both programs for aggregate net proceeds of $132.1 million. Under the 2018 At-The-Market-Program, we may, at our discretion, enter into forward equity sale agreements;

Issued $400.0 million aggregate principal amount of 10-year, 4.750% senior unsecured notes maturing in December 2028 in an underwritten public offering; and

Completed the early redemption of all $250.0 million of the Company’s 6.625% unsecured senior notes due June 2020, resulting in a $12.6 million loss on ~~tenant improvements~~early extinguishment of debt.

Liquidity Sources

Unsecured Revolving Credit Facility and ~~leasing~~Term Loan Facility

The following table summarizes the balance and terms of our unsecured revolving credit facility as of December 31, 2018 and 2017:



	December 31, 2018			December 31, 2017
	(in thousands)
Outstanding borrowings	$	45,000		$	—
Remaining borrowing capacity	705,000			750,000
Total borrowing capacity ⁽¹⁾	$	750,000		$	750,000
Interest rate ⁽²⁾	3.48		%	2.56		%
Facility fee-annual rate ⁽³⁾	0.200%
Maturity date	July 2022

_______________


(1)	We may elect to borrow, subject to bank approval and obtaining commitments for any additional borrowing capacity, up to an additional $600.0 million under an accordion feature under the terms of the unsecured revolving credit facility and unsecured term loan facility.


(2)	Our unsecured revolving credit facility interest rate was calculated based on the contractual rate of LIBOR plus 1.000% as of December 31, 2018 and 2017, respectively.

(3)

Our facility fee is paid on a quarterly basis and is calculated based on the total borrowing capacity. In addition to the facility fee, we incurred debt origination and legal costs. As of December 31, 2018 and 2017, $4.7 million and $6.0 million of unamortized deferred financing costs, respectively, which are included in prepaid expenses and other assets, net on our consolidated balance sheets, remained to be amortized through the maturity date of our unsecured revolving credit facility.

In the first quarter of 2018, we ~~ultimately incur~~borrowed the full $150.0 million borrowing capacity of our unsecured term loan facility. In connection with the funding of the outstanding borrowings, we transferred $30.0 million of outstanding borrowings under the unsecured revolving credit facility to the balance of our unsecured term loan facility. As a result, only $120.0 million of cash proceeds were received from the funding of the unsecured term loan facility. The following table summarizes the balance and terms of our unsecured term loan facility as of December 31, 2018 and 2017:



	December 31, 2018			December 31, 2017
	(in thousands)
Outstanding borrowings	$	150,000		$	—
Remaining borrowing capacity	—			150,000
Total borrowing capacity ⁽¹⁾	$	150,000		$	150,000
Interest rate ⁽²⁾	3.49		%	2.66		%
Undrawn facility fee-annual rate ⁽³⁾	0.200%
Maturity date	July 2022

________________________


(1)	As of December 31, 2018 and 2017, $0.9 million and $1.2 million of unamortized deferred financing costs, respectively, remained to be amortized through the maturity date of our unsecured term loan facility.


(2)	Our unsecured term loan facility interest rate was calculated based on the contractual rate of LIBOR plus 1.100% as of December 31, 2018 and 2017.


(3)	Prior to borrowing the full capacity of our unsecured term loan facility, the undrawn facility fee was calculated based on any unused borrowing capacity and was paid on a quarterly basis.

Capital Recycling Program

In connection with our capital recycling strategy, through December 31, 2018, we completed the sale of 11 properties to unaffiliated third parties for gross sales proceeds totaling approximately $373.0 million. During 2017, we completed the sale of 11 office properties and one undeveloped land parcel located in San Diego, California to unaffiliated third

We currently anticipate that in 2019 we could raise additional capital through our dispositions program ranging from approximately $150 million to $350 million. However, any potential future disposition transactions will depend on ~~actual leasing activity. Tenant improvements~~market conditions and ~~leasing~~other factors including but not limited to our capital needs and our ability to defer some or all of the taxable gains on the sales. In addition, we cannot assure you that we will dispose of any additional properties or that we will be able to identify and complete the acquisition of suitable replacement properties to effect Section 1031 Exchanges to defer some or all of the taxable capital gains related to our capital recycling program.

Forward Equity Offering

On August 8, 2018, the Company entered into forward equity sale agreements with certain financial institutions acting as forward purchasers in connection with an offering of 5,000,000 shares of common stock at an initial gross offering price of $360.5 million, or $72.10 per share, before underwriting discounts, commissions and offering expenses. The forward purchasers borrowed and sold an aggregate of 5,000,000 shares in the offering. The Company did not receive any proceeds from the sale of its shares of common stock by the forward purchasers at the time of the offering. The Company currently expects to fully physically settle the forward sale agreements and receive cash proceeds upon one or more settlement dates, at the Company’s discretion, prior to the final settlement date under the forward sale agreements of August 1, 2019. The forward sale price that we expect to receive upon physical settlement of the forward equity sale agreements, which was initially $71.68 per share, will be subject to adjustment for (i) a floating interest rate factor equal to a specified daily rate less a spread, (ii) the forward purchasers’ stock borrowing costs ~~generally fluctuate in any given period depending on factors such as~~and (iii) the ~~type of property,~~Company’s scheduled dividends during the term of the ~~lease, the type~~forward equity sale agreements. The full amount of this offering remains available for future settlement as of the ~~lease,~~date of this report.

At-The-Market Stock Offering Program

During the ~~involvement~~year ended December 31, 2018, the Company completed the 2014 At-The-Market Program and in June 2018 commenced the 2018 At-The-Market Program under which we may offer and sell shares of ~~external leasing agents,~~our common stock with an aggregate gross sales price of up to $500.0 million. Under the 2018 At-The-Market-Program, the Company may, at its discretion, enter into forward equity sale agreements (see “Note 13. Stockholders’ Equity of the Company” to our consolidated financial statements included in this report for additional information). During the year ended December 31, 2018, under the 2014 At-The-Market Program, we sold 1,369,729 shares of common stock and ~~overall~~completed the program. Since commencement of the 2018 At-The-Market Program through December 31, 2018, we have sold 447,466 shares of common stock, none of which were sold under forward equity sale agreements. Approximately $466.2 million remains available to be sold under this program.

The following table sets forth information regarding sales of our common stock under our at-the-market offering programs for the years ended December 31, 2018 and 2017:



	Year Ended December 31,
	2018		2017
	(in millions, except share and per share data)
Shares of common stock sold during the year	1,817,195		235,077
Weighted average price per share of common stock	$	73.64	$	75.40
Aggregate gross proceeds	$	133.8	$	17.7
Aggregate net proceeds after selling commissions	$	132.1	$	17.5

The proceeds from sales were used to fund development expenditures, acquisitions, and general corporate purposes, including repayment of borrowings under the unsecured revolving credit facility. Actual future sales will depend upon a variety of factors, including, but not limited to market ~~conditions.~~conditions, the trading price of the Company’s common stock and our capital needs. We have no obligation to sell the remaining shares available for sale under this program.

Shelf Registration Statement

As discussed above under “—Liquidity and Capital ~~expenditures~~Resources of the Company,” the Company is a well-known seasoned issuer and the Company and the Operating Partnership have an effective shelf registration statement that provides for the public offering and sale from time to time by the Company of its preferred stock, common stock, depository shares and guarantees of debt securities and by the Operating Partnership of its debt securities, in each case in unlimited amounts. The Company evaluates the capital markets on an ongoing basis for opportunities to raise capital, and, as circumstances warrant, the Company and the Operating Partnership may ~~fluctuate~~issue securities of all of these types in one or more offerings at any ~~given period subject~~time and from time to time on an opportunistic basis, depending upon, among other things, market conditions, available pricing and capital needs. When the Company receives proceeds from the sales of its preferred or common stock, it generally contributes the net proceeds from those sales to the ~~nature, extent,~~Operating Partnership in exchange for corresponding preferred or common partnership units of the Operating Partnership. The Operating Partnership may use these proceeds and ~~timing~~proceeds from the sale of ~~improvements required~~its debt securities to ~~maintain~~repay debt, including borrowings under its unsecured revolving credit facility, to develop new or ~~improve our properties.~~existing properties, to make acquisitions of properties or portfolios of properties, or for general corporate purposes.

Unsecured Senior Notes - Private Placement

In May 2018, the Operating Partnership entered into a purchase agreement in a private placement (the “2018 Note Purchase Agreement”) in connection with the issuance and sale of $50.0 million principal amount of the Operating Partnership’s 4.30% Senior Notes, Series A, due July 18, 2026 (the “Series A Notes due 2026”), and $200.0 million principal amount of the Operating Partnership’s 4.35% Senior Notes, Series B, due October 18, 2026 (the “Series B Notes due 2026” and, together with the Series A Notes due 2026, the “Series A and B Notes due 2026”). The Company drew the full amount of the Series A Notes due 2026 on July 18, 2018. On October 22, 2018, the Company drew the full amount of the Series B Notes due 2026. As of December 31, ~~2015,~~2018, there was $50.0 million and $200.0 million issued and outstanding aggregate principal amount of Series A and B Notes due 2026, respectively.

Unsecured Senior Notes - Registered Offerings

In November 2018, the Operating Partnership engaged in an underwritten public offering in connection with the issuance and sale of $400.0 million aggregate principal amount of ~~988,025~~4.750% senior notes due 2028. The notes will pay interest semi-annually at a rate of 4.750% per annum on June 15 and December 15 each year, commencing on June 15, 2019, and mature on December 15, 2028. The Operating Partnership intends to allocate an amount equal to the net proceeds from the offering to one or more Eligible Green Projects (as defined in the prospectus supplement related to the offering). Pending the allocation of an amount equal to the net proceeds from the offering to Eligible Green Projects, a portion of the net proceeds were used to early redeem the $250.0 million aggregate principal amount of our outstanding 6.625% unsecured senior notes that were scheduled to mature on June 1, 2020.

Unsecured and Secured Debt

The aggregate principal amount of the unsecured and secured debt of the Operating Partnership outstanding as of December 31, 2018 was as follows:



	Aggregate Principal Amount Outstanding ⁽¹⁾
	(in thousands)
Unsecured Line of Credit	$	45,000
Unsecured Term Loan Facility	150,000
Unsecured Senior Notes due 2023	300,000
Unsecured Senior Notes due 2024	425,000
Unsecured Senior Notes due 2025	400,000
Unsecured Senior Notes Series A & B due 2026	250,000
Unsecured Senior Notes due 2028	400,000
Unsecured Senior Notes due 2029	400,000
Unsecured Senior Notes Series A & B due 2027 & 2029	250,000
Secured Debt	335,811
Total Unsecured and Secured Debt	2,955,811
Less: Unamortized Net Discounts and Deferred Financing Costs⁽¹⁾	(23,210		)
Total Debt, Net	$	2,932,601

________________________


(1)	Includes $17.4 million of unamortized deferred financing costs on the unsecured term loan facility, unsecured senior notes, and secured debt, $6.6 million of unamortized discounts for the unsecured senior notes and $0.8 million of unamortized premiums for the secured debt. Excludes unamortized deferred financing costs on the unsecured revolving credit facility.

Debt Composition

The composition of the Operating Partnership’s aggregate debt balances between secured and unsecured and fixed-rate and variable-rate debt as of December 31, 2018 and 2017 was as follows:



	Percentage of Total Debt ⁽¹⁾				Weighted Average Interest Rate⁽¹⁾
	December 31, 2018		December 31, 2017		December 31, 2018		December 31, 2017
Secured vs. unsecured:
Unsecured ⁽²⁾	88.6	%	85.6	%	4.0	%	4.2	%
Secured	11.4	%	14.4	%	4.4	%	4.4	%
Variable-rate vs. fixed-rate:
Variable-rate ⁽²⁾	6.6	%	—	%	3.5	%	—	%
Fixed-rate ⁽³⁾	93.4	%	100.0	%	4.1	%	4.2	%
Stated rate ⁽³⁾					4.1	%	4.2	%
GAAP effective rate ⁽⁴⁾					4.0	%	4.2	%
GAAP effective rate including debt issuance costs					4.2	%	4.4	%

________________________


(1)	As of the end of the period presented.


(2)	As of December 31, 2017, there were no outstanding balances on both the unsecured revolving credit facility and the unsecured term loan facility.


(3)	Excludes the impact of the amortization of any debt discounts/premiums and deferred financing costs

(4) Includes the impact of the amortization of any debt discounts/premiums, excluding deferred financing costs.

Liquidity Uses

Contractual Obligations

The following table provides information with respect to our contractual obligations as of December 31, 2018. The table: (i) indicates the maturities and scheduled principal repayments of our secured and unsecured debt outstanding as of December 31, 2018; (ii) indicates the scheduled interest payments of our fixed-rate debt as of December 31, 2018; (iii) provides information about the minimum commitments due in connection with our ground lease obligations and other lease and contractual commitments; and (iv) provides estimated development commitments as of December 31, 2018. Note that the table does not reflect our available debt maturity extension options and reflects gross aggregate principal amounts before the effect of unamortized discounts/premiums. We did not have any variable-rate debt outstanding as of December 31, 2018.



	Payment Due by Period
	Less than 1 Year (2019)		2-3 Years (2020-2021)		4-5 Years (2022-2023)		More than 5 Years (After 2023)		Total
	(in thousands)
Principal payments: secured debt ⁽¹⁾	$	76,309	$	10,479	$	11,329	$	237,694	$	335,811
Principal payments: unsecured debt ⁽²⁾	—		—		495,000		2,125,000		2,620,000
Interest payments: fixed-rate debt ⁽³⁾	109,479		217,461		205,682		323,736		856,358
Interest payments: variable-rate debt ⁽⁴⁾	5,235		10,470		3,083		—		18,788
Interest payments: unsecured revolving credit facility ⁽⁵⁾	1,566		3,132		922		—		5,620
Ground lease obligations ⁽⁶⁾	5,154		10,308		10,308		233,619		259,389
Lease and other contractual commitments ⁽⁷⁾	168,000		9,000		100		—		177,100
Development commitments ⁽⁸⁾	412,000		371,000		—		—		783,000
Total	$	777,743	$	631,850	$	726,424	$	2,920,049	$	5,056,066

___________


(1)	Represents gross aggregate principal amount before the effect of the unamortized premium and deferred financing costs of approximately$0.8 millionand$1.0 millionas of December 31, 2018.


(2)	Represents gross aggregate principal amount before the effect of the unamortized discount and deferred financing costs of approximately$6.6 millionand$16.3 million as of December 31, 2018.


(3)	As of December 31, 2018,93.4%of our debt was contractually fixed. The information in the table above reflects our projected interest rate obligations for these fixed-rate payments based on the contractual interest rates on an accrual basis and scheduled maturity dates.

(4)

(5)


(6)	Reflects minimum lease payments through the contractual lease expiration date before the impact of extension options. See Note 18 “Commitments and Contingencies” to our consolidated financial statements included in this report for further information.


(7)	Amounts represent cash commitments under signed leases and contracts for operating properties, excluding tenant-funded tenant improvements, and for other contractual commitments. The timing of these expenditures may fluctuate.

(8)

Amounts represent commitments under signed leases for pre-leased development projects and contractual commitments for projects in the tenant improvement phase and under construction as of December 31, 2018. The timing of these expenditures may fluctuate based on the ultimate progress of construction. We may start additional construction in 2019 (see “—Development” for additional information).

Other Liquidity Uses

Development

As of December 31, 2018, we had three development projects under construction. These projects have a total estimated investment of approximately $1.6 billion, of which we have incurred approximately $798.8 million and committed an additional $653.0 million as of December 31, 2018.In addition, as of December 31, 2018, we had two

development projects in the tenant improvement phase. These projects have a total estimated investment of approximately $855.0 million of which we have incurred approximately $710.0 million, net of retention, and committed an additional $129.0 million as of December 31, 2018. Including the information in the table above we currently believe we may spend between $500.0 million to $600.0 million on development projects throughout 2019. Ultimate timing of these expenditures may fluctuate given construction progress and leasing status of the projects. We expect that any material additional development activities will be funded with borrowings under the unsecured revolving credit facility, the public or private issuance of debt or equity securities, the disposition of assets under our capital recycling program, or strategic venture opportunities.

Debt Maturities

Potential Future Acquisitions

During the year ended December 31, 2018, we acquired four office buildings and a 39-acre development site for a total of $565.2 million in cash. During 2017, we acquired a 1.2 acre development site in the Little Italy neighborhood of San Diego, California for $19.4 million in cash. These transactions were funded through various capital raising activities and liquidity as discussed in “—Liquidity Sources”

As discussed in the section “—Factors That May Influence Future Results of Operations - Acquisitions,”we continue to evaluate strategic opportunities and remain a disciplined buyer of development and redevelopment opportunities as well as value-add operating properties, dependent on market conditions and business cycles, among other factors. We continue to focus on growth opportunities in West Coast markets populated by knowledge and creative based tenants in a variety of industries, including technology, media, healthcare, life sciences, entertainment and professional services. Any material acquisitions will be funded with borrowings under the unsecured revolving credit facility, the public or private issuance of debt or equity securities, the disposition of assets under our capital recycling program, the formation of strategic ventures or through the assumption of existing debt. We cannot provide assurance that we will enter into any agreements to acquire properties, or undeveloped land, or that the potential acquisitions contemplated by any agreements we may enter into in the future will be completed.

Share Repurchases

On February 23, 2016, the Company’s Board of Directors approved a 4,000,000 share increase to the Company’s existing share repurchase program bringing the total current repurchase authorization to 4,988,025 shares. As of December 31, 2018, 4,935,826 shares ~~remained~~remain eligible for repurchase ~~pursuant to a~~under the Company’s share repurchase ~~program approved by our Board of Directors in prior periods.~~program. Under this program, repurchases may be made in open market transactions at prevailing prices or through privately negotiated transactions. We may elect to repurchase shares of our common stock under this program in the future depending upon various factors, including market conditions, the trading price of our common stock and our other uses of capital. This program does not have a termination date, and repurchases may be discontinued at any time. We intend to fund repurchases, if any, primarily with the proceeds from property dispositions.

Potential Future Leasing Costs and Capital Improvements

The amounts we incur for tenant improvements and leasing costs depend on leasing activity in each period. Tenant improvements and leasing costs generally fluctuate in any given period depending on factors such as the type and condition of the property, the term of the lease, the type of the lease, the involvement of external leasing agents and overall market conditions. Capital expenditures may fluctuate in any given period subject to the nature, extent and timing of improvements required to maintain our properties.

For properties within our stabilized portfolio, excluding our development properties, we believe we could spend approximately $15.0 million to $20.0 million in capital improvements, tenant improvements and leasing costs in 2019, in addition to the lease and contractual commitments included in our contractual obligations table above. The amount we ultimately spend will depend on leasing activity during 2019.

The following table sets forth our historical actual capital expenditures, and tenant improvements and leasing costs for deals commenced, excluding tenant-funded tenant improvements, for renewed and re-tenanted space within our stabilized portfolio for each of the years ended December 31, 2018, 2017 and 2016 on a per square foot basis.



	Year Ended December 31,
	2018		2017		2016
Office Properties:⁽¹⁾
Capital Expenditures:
Capital expenditures per square foot	$	2.00	$	1.18	$	1.58
Tenant Improvement and Leasing Costs ⁽²⁾
Replacement tenant square feet ⁽³⁾	717,427		825,653		583,461
Tenant improvements per square foot commenced	$	41.87	$	55.10	$	40.98
Leasing commissions per square foot commenced	$	14.77	$	16.36	$	14.30
Total per square foot	$	56.64	$	71.46	$	55.28
Renewal tenant square feet	1,161,596		944,865		476,011
Tenant improvements per square foot commenced	$	26.64	$	21.66	$	10.66
Leasing commissions per square foot commenced	$	14.55	$	6.80	$	7.90
Total per square foot	$	41.19	$	28.46	$	18.56
Total per square foot per year	$	7.24	$	8.09	$	7.05
Average remaining lease term (in years)	6.5		6.0		5.5

________________________


(1)	Excludes development properties and includes 100% of consolidated property partnerships.


(2)	Includes tenants with lease terms of 12 months or longer. Excludes leases for month-to-month and first generation tenants.


(3)	Excludes leases for which the space was vacant for longer than one year, or vacant when the property was acquired by the Company.

Capital expenditures per square foot increased in 2018 as compared to 2017 due to an increase in general building improvements during 2018 primarily in the Greater Los Angeles, San Diego and Greater Seattle markets, driven by tenant-related, market-ready and repositioning work. We currently anticipate capital expenditures for 2019 to be more consistent with 2016 levels. Replacement tenant improvements and leasing commissions decreased in 2018 as compared to 2017 primarily due to the number of large leases commenced and related higher replacement costs in 2017. Renewal tenant improvements and leasing commissions per square foot increased in 2018 as compared to 2017 primarily due to the number of large leases renewed in the San Francisco Bay Area and Greater Seattle markets, as well as higher overall rental rates on leases signed in 2018. We currently anticipate tenant improvement and leasing commissions for 2019 to be slightly higher than 2018 levels due to the leases executed in 2018, including early renewals of 2019 lease expirations; however, ultimate costs incurred will depend upon market conditions in each of our submarkets and actual leasing activity.

Distribution Requirements

For a discussion of our dividend and distribution requirements, see “Liquidity and Capital Resources of the Company —Distribution Requirements.”

Factors That May Influence Future Sources of Capital and Liquidity of the Company and the Operating Partnership

We continue to evaluate sources of financing for our business activities, including borrowings under the unsecured revolving credit facility, issuance of public and private equity securities, unsecured debt and fixed-rate secured mortgage financing, ~~and~~ proceeds from the disposition of selective assets through our capital recycling ~~program.~~program, and the formation of strategic ventures. However, our

ability to obtain new financing or refinance existing borrowings on favorable terms could be impacted by various factors, including the state of the macro economy, the state of the credit and equity

markets, significant tenant defaults, a decline in the demand for office properties, a decrease in market rental rates or market values of real estate assets in our submarkets, and the amount of our future borrowings. These events could result in the following:

Decreases in our cash flows from operations, which could create further dependence on the unsecured revolving credit facility;

An increase in the proportion of variable-rate debt, which could increase our sensitivity to interest rate fluctuations in the future; and

A decrease in the value of our properties, which could have an adverse effect on the Operating Partnership’s ability to incur additional debt, refinance existing debt at competitive rates, or comply with its existing debt obligations.

In addition to the factors noted above, the Operating Partnership’s credit ratings are subject to ongoing evaluation by credit rating agencies and may be changed or withdrawn by a rating agency in the future if, in its judgment, circumstances warrant. In the event that the Operating Partnership’s credit ratings are downgraded, we may incur higher borrowing costs and may experience difficulty in obtaining additional financing or refinancing existing indebtedness.

Debt Covenants

The unsecured revolving credit facility, unsecured term loan facility, unsecured term loan, unsecured senior notes and certain other secured debt arrangements contain covenants and restrictions requiring us to meet certain financial ratios and reporting requirements. Key existing financial covenants and their covenant levels include:



Unsecured Credit ~~Facility, Unsecured~~and Term Loan Facility and ~~Unsecured Term Loan~~Private Placement Notes (as defined in the applicable Credit Agreements):	Covenant ~~Level~~	Actual Performance as of December 31, ~~2015~~2018
Total debt to total asset value	less than 60%	~~27%~~28%
Fixed charge coverage ratio	greater than 1.5x	~~2.5x~~3.4x
Unsecured debt ratio	greater than 1.67x	~~3.25x~~3.06x
Unencumbered asset pool debt service coverage	greater than 1.75x	~~3.55x~~4.43x

Unsecured Senior Notes due ~~2018, 2020,~~ 2023, 2024, 2025, 2028 and 2029 ~~(as~~ (as defined in the applicable Indentures):
Total debt to total asset value	less than 60%	34%
Interest coverage	greater than 1.5x	~~6.7x~~9.6x
Secured debt to total asset value	less than 40%	6%4%
Unencumbered asset pool value to unsecured debt	greater than 150%	~~309%~~299%

The Operating Partnership was in compliance with all of its debt covenants as of December 31, ~~2015~~.2018. Our current expectation is that the Operating Partnership will continue to meet the requirements of its debt covenants in both the short and long term. However, in the event of an economic slowdown or continued volatility in the credit markets, there is no certainty that the Operating Partnership will be able to continue to satisfy all the covenant requirements.

Consolidated Historical Cash Flow Summary

The following summary discussion of our consolidated historical cash flow is based on the consolidated statements of cash flows in Item 15. “Exhibits and Financial Statement Schedules” and is not meant to be an all-inclusive discussion of the changes in our cash flow for the periods presented below. ~~The~~Changes in our cash flow ~~amounts shown below~~ include ~~the activities of discontinued operations.~~changes in cash and cash equivalents and restricted cash. Our historical cash flow activity for the year ended December 31, ~~2015~~2018 as compared to the year ended December 31, ~~2014~~2017 is as follows:


	Year Ended December 31,											Year Ended December 31,
	2015			2014			Dollar Change			Percentage Change		2018			2017			Dollar Change			Percentage Change
	($ in thousands)											($ in thousands)
Net cash provided by operating activities	$	272,008		$	245,253		$	26,755		10.9	%	$	410,043		$	347,012		$	63,031		18.2	%
Net cash used in investing activities	(262,752		)	(501,436		)	238,684			(47.6	)%	(808,915		)	(359,102		)	(449,813		)	125.3	%
Net cash provided by financing activities	23,471			244,587			(221,116		)	(90.4	)%
Net cash provided by (used in) financing activities												503,108			(171,241		)	674,349			393.8	%
Net increase (decrease) in cash and cash equivalents												$	104,236		$	(183,331	)	$	287,567		156.9	%

Operating Activities

Our cash flows from operating activities ~~depend~~depends on numerous factors including the occupancy level of our portfolio, the rental rates achieved on our leases, the collectability of rent and recoveries from our tenants, the level of operating expenses, the impact of property acquisitions, completed development projects and related financing activities, and other general and administrative costs. Our net cash provided by operating activities increased by ~~$26.8~~$63.0 million, or ~~10.9%~~18.2%, for the year ended December 31, ~~2015~~2018 compared to the year ended December 31, ~~2014~~2017 primarily as a result of ~~an increase~~net changes in ~~cash Net Operating Income generated from our Same Store, Acquisition,~~other assets and ~~Stabilized Development and Redevelopment Portfolios. See additional information under~~liabilities related to the ~~caption “—Results~~timing of ~~Operations.”~~expenditures.

Investing Activities

Our cash flows from investing activities is generally used to fund development and operating property acquisitions, expenditures for development projects, and recurring and nonrecurring capital expenditures for our operating properties, net of proceeds received from dispositions of real estate assets. Our net cash used in investing activities ~~decreased~~increased by ~~$238.7~~$449.8 million, or ~~47.6%~~125.3%, for the year ended December 31, ~~2015~~2018 compared to the year ended December 31, ~~2014,~~2017, primarily due to nodevelopment and operating property acquisitions intotaling $568.6 million for the year ended December 31, ~~2015 as~~2018 compared to $19.8 million for the year ended December 31, ~~2014.~~2017, as well as an increase in spending on development projects and operating property leasing and capital expenditures during the year ended December 31, 2018, partially offset by $181.8 million of higher net proceeds received from dispositions during the year ended December 31, 2018.

Financing Activities

Our cash flows from financing activities is principally impacted by our capital raising activities, net of dividends and distributions paid to common and preferred security holders. ~~Net~~During the year ended December 31, 2018 we had net cash provided by financing activities ~~decreased by $221.1~~of $503.1 million ~~or 90.4%, for the year ended December 31, 2015~~ compared to ~~the year ended December 31, 2014primarily due to higher~~ net ~~debt repayments~~cash used in financing activities during the year ended December 31, ~~2015 as compared~~2017 of $171.2 million, primarily due to ~~the year ended December 31, 2014, partially offset by~~ higher ~~equity issuance activity~~borrowings and issuances of unsecured debt during the year ended December 31, ~~2015.~~2018, as well as $200.0 million of cash paid to redeem the Company’s Series G Preferred Stock and Series H Preferred stock and $184.3 million of special dividends paid during the year ended December 31, 2017.

Off-Balance Sheet Arrangements

As of December 31, ~~2015~~2018 and as of the date this report was filed, we did not have any off-balance sheet transactions, arrangements, or obligations, including contingent obligations.

Non-GAAP Supplemental Financial Measure: Funds From Operations

The following table presents our FFO for the years ended ~~December 31,~~2018, 2017, 2016, 2015 ~~2014, 2013, 2012~~ and ~~2011:~~2014:


	Year ended December 31,															Year ended December 31,
	2015			2014			2013			2012			2011			2018			2017			2016			2015			2014
	(in thousands)															(in thousands)
Net income available to common stockholders	$	220,831		$	166,969		$	30,630		$	249,826		$	50,819		$	258,415		$	151,249		$	280,538		$	220,831		$	166,969
Adjustments:
Net income attributable to noncontrolling common units of the Operating Partnership	4,339			3,589			685			6,187			1,474			5,193			3,223			6,635			4,339			3,589
Net income attributable to noncontrolling interests in consolidated property partnerships																14,318			12,780			3,375			184			—
Depreciation and amortization of real estate assets	201,392			202,108			199,558			168,687			135,467			249,882			241,862			213,156			201,480			202,108
Gains on sale of depreciable real estate	(109,950		)	(121,922		)	(12,252		)	(259,245		)	(51,587		)
Funds From Operations ⁽¹⁾	$	316,612		$	250,744		$	218,621		$	165,455		$	136,173
Gains on sales of depreciable real estate																(142,926		)	(39,507		)	(164,302		)	(109,950		)	(121,922		)
Funds From Operations attributable to noncontrolling interests in consolidated property partnerships																(24,391		)	(22,820		)	(5,660		)	(272		)	—
Funds From Operations ^{(1) (2)}																$	360,491		$	346,787		$	333,742		$	316,612		$	250,744

_______________________


(1)	~~Includes~~Reported amounts are attributable to common stockholders, common unitholders and restricted stock unitholders.

(2)

FFO available to common stockholders and unitholders includes amortization of deferred revenue related to tenant-funded tenant improvements of $18.4 million, $16.8 million, $13.2 million, $13.3 million ~~$11.0 million, $10.7 million, $9.1 million~~ and ~~$9.3~~$11.0 million for the years ended December 31, 2018, 2017, 2016, 2015 and 2014, ~~2013, 2012 and 2011,~~ respectively. ~~Reported amounts are attributable to common stockholders and common unitholders.~~

The following table presents our weighted average shares of common stock and common units outstanding for the years ended ~~December 31,~~2018, 2017, 2016, 2015 ~~2014, 2013, 2012~~ and ~~2011:~~2014:


	Year Ended December 31,					Year Ended December 31,
	2015	2014	2013	2012	2011	2018	2017	2016	2015	2014
Weighted average shares of common stock outstanding	89,854,096	83,090,235	77,343,853	69,639,623	56,717,121	99,972,359	98,113,561	92,342,483	89,854,096	83,090,235
Weighted average common units outstanding	1,791,482	1,804,263	1,822,407	1,763,635	1,720,323	2,052,917	2,133,006	2,429,205	1,791,482	1,804,263
Effect of participating securities – nonvested shares and restricted stock units	1,170,571	1,228,807	1,224,208	1,127,534	924,747	1,142,053	1,196,044	1,139,669	1,170,571	1,228,807
Total basic weighted average shares / units outstanding	92,816,149	86,123,305	80,390,468	72,530,792	59,362,191	103,167,329	101,442,611	95,911,357	92,816,149	86,123,305
Effect of dilutive securities – Exchangeable Notes, stock options and contingently issuable shares	541,679	1,877,485	1,765,025	1,123,482	187,134
Effect of dilutive securities – Exchangeable Notes, shares issuable under executed forward equity sale agreements, stock options and contingently issuable shares						510,006	613,770	680,551	541,679	1,877,485
Total diluted weighted average shares / units outstanding	93,357,828	88,000,790	82,155,493	73,654,274	59,549,325	103,677,335	102,056,381	96,591,908	93,357,828	88,000,790

Inflation

The majority of the Company’s leases require tenants to pay for recoveries and escalation charges based upon the tenant’s proportionate share of, and/or increases in, real estate taxes and certain operating costs, which reduce the Company’s exposure to increases in operating costs resulting from inflation.

New Accounting Pronouncements

For a discussion of new accounting pronouncements see Note 2 “Basis of Presentation and Significant Accounting Policies” to our consolidated financial statements included in this report.


ITEM 7A.	QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

The primary market risk we face is interest rate risk. We seek to mitigate this risk by following established risk management policies and procedures. These policies include maintaining prudent amounts of debt, including a greater amount of fixed-rate debt as compared to variable-rate debt in our portfolio, and may include the periodic use of derivative instruments. As of December 31, ~~2015~~2018 and ~~2014,~~2017, we did not have any interest-rate sensitive derivative assets or liabilities. Information about our changes in interest rate risk exposures from December 31, ~~2014~~2017 to December 31, ~~2015~~2018 is incorporated herein by reference from “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations —Liquidity and Capital Resources of the Operating Partnership.”

~~Market~~Interest Rate Risk

As of December 31, ~~2015, approximately 8.4%~~2018, 6.6% of our total outstanding debt of ~~$2.2~~$3.0 billion (before the effects of debt discounts, premiums and deferred financing costs) was subject to variable interest rates. The remaining ~~91.6%~~93.4% bore interest at fixed rates. All of our interest rate sensitive financial instruments are held for purposes other than trading purposes. In general, interest rate fluctuations applied to our variable-rate debt will impact our future earnings and cash flows. Conversely, interest rate fluctuations applied to our fixed-rate debt will generally not impact our future earnings and cash flows, unless such instruments mature or are otherwise terminated and need to be refinanced. However, interest rate fluctuations will impact the fair value of the fixed-rate debt instruments.

We generally determine the fair value of our secured debt, unsecured ~~revolving credit facility, unsecured term loan facility~~debt, and unsecured ~~term loan~~line of credit by performing discounted cash flow analyses using an appropriate market discount rate. We calculate the market rate by obtaining period-end treasury rates for maturities that correspond to the maturities of our fixed-rate debt and then adding an appropriate credit spread based on information obtained from third-party financial institutions. We calculate the market rate of our unsecured revolving credit facility and unsecured term loan facility by obtaining the period-end LIBOR rate and then adding an appropriate credit spread based on information obtained from third-party financial institutions. These credit spreads take into account factors, including but not limited to, our credit profile, the tenure of the debt, amortization period, whether the debt is secured or unsecured, and the loan-to-value ratio of the debt to the ~~collateral.~~collateral, amongst other factors. These calculations are significantly affected by the assumptions used, including the discount rate, credit spreads and estimates of future cash flow. We calculate the market rate of our unsecured revolving credit facility and unsecured term loan facility by obtaining the period-end London Interbank Offered Rate (“LIBOR”) and then adding an appropriate credit spread based on our credit ratings, and the amended terms of our unsecured revolving credit facility and unsecured term loan facility agreement. We determine the fair value of each of our publicly traded unsecured senior notes based on their quoted trading price at the end of the reporting ~~period.~~period, if such prices are available. See Note 1719 “Fair Value Measurements and Disclosures” and Note 2 “Basis of Presentation and Significant Accounting Policies” in the consolidated financial statements included in this report for additional information on the fair value of our financial assets and liabilities as of December 31, ~~2015~~2018 and December 31, ~~2014~~.2017.

~~As of~~ At December 31, ~~2015~~, the total outstanding balance of our variable-rate debt was comprised of borrowings on our unsecured term loan facility and unsecured term loan of $189.0 million, which were indexed to LIBOR plus a spread of 1.15% (weighted average interest rate of~~1.40%), respectively. As of~~ ~~December 31, 2014~~,2018, the total outstanding balance of our variable-rate debt was comprised of borrowings on our unsecured revolving ~~credit~~ facility of ~~$140.0~~$45.0 million and ~~borrowings on our~~ unsecured term loan facility of ~~$189.0~~$150.0 million, which were indexed to LIBOR plus a spread of ~~1.250%~~1.00% (weighted average interest rate of ~~1.41%~~3.48%) and ~~1.40%~~LIBOR plus a spread of 1.10% (weighted average interest rate of ~~1.56%~~3.49%), respectively. As of December 31, 2017, there were no outstanding balances on both our $750.0 million unsecured revolving credit facility and our $150.0 million unsecured term loan facility, but both were available for borrowing at the following variable rates: LIBOR plus a spread of 1.00% (weighted average interest rate of 2.56%) and LIBOR plus a spread of 1.10% (weighted average interest rate of 2.66%), respectively. Assuming no changes in the outstanding balance of our existing variable-rate debt as of December 31, ~~2015~~,2018, a 100 basis point increase in the LIBOR rate would ~~increase~~have increased our projected annual interest expense, before the effect of capitalization, by approximately ~~$1.9~~$2.0 million. ~~Comparatively, if interest rates were 100 basis points higher as of~~ ~~December 31, 2014, our projected annual interest expense, before the effect of capitalization, would have been $3.3 million higher.~~

The total carrying value of our fixed-rate debt was approximately ~~$2.0~~$2.7 billion and ~~$2.1~~$2.3 billion as of December 31, ~~2015~~2018 and ~~2014,~~2017, respectively. The total estimated fair value of our fixed-rate debt was approximately ~~$2.1~~$2.7 billion and ~~$2.2~~$2.4 billion as of December 31, ~~2015~~2018 and ~~2014,~~2017, respectively. For sensitivity purposes, a 100 basis point increase in the discount rate equates to a decrease in the total fair value of our fixed-rate debt of approximately ~~$117.1~~$165.3 million,or ~~5.6%~~6.1%, as of December 31, ~~2015~~.2018. Comparatively, a 100 basis point increase in the discount rate equates to a decrease in the total fair value of our fixed-rate debt of approximately ~~$104.4~~$145.0 million, or ~~4.7%~~6.0%, as of December 31, ~~2014~~.2017.

In July 2017, the Financial Conduct Authority (the authority that regulates LIBOR) announced it intends to stop compelling banks to submit rates for the calculation of LIBOR after 2021. The Alternative Reference Rates Committee (“ARRC”) has proposed that the Secured Overnight Financing Rate (“SOFR”) is the rate that represents best practice as the alternative to LIBOR for use in derivatives and other financial contracts that are currently indexed to LIBOR. ARRC has proposed a paced market transition plan to SOFR from LIBOR and organizations are currently working on industry wide and company specific transition plans as it relates to derivatives and cash markets exposed to LIBOR. As our variable-rate debt is indexed to LIBOR, we are monitoring this activity and evaluating the related risks.


ITEM 8.	FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

See the index included at Item 15. “Exhibits and Financial Statement Schedules.”


ITEM 9.	CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL DISCLOSURE

Not applicable.


ITEM 9A.	CONTROLS AND PROCEDURES

Kilroy Realty Corporation

The Company maintains disclosure controls and procedures (as defined in Rule 13a-15(e) or Rule 15d-15(e) under the Exchange Act) that are designed to ensure that information required to be disclosed in the Company’s reports under the Exchange Act is processed, recorded, summarized, and reported within the time periods specified in the SEC’s rules and forms, and that such information is accumulated and communicated to management, including the Chief Executive Officer and Chief Financial Officer, as appropriate, to allow for timely decisions regarding required disclosure. In designing and evaluating the disclosure controls and procedures, management recognizes that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving the desired control objectives, and management is required to apply its judgment in evaluating the cost-benefit relationship of possible controls and procedures.

As required by SEC Rule 13a-15(b), the Company carried out an evaluation, under the supervision and with the participation of management, including the Chief Executive Officer and Chief Financial Officer, of the effectiveness of the design and operation of the disclosure controls and procedures as of December 31, ~~2015~~2018, the end of the period covered by this report. Based on the foregoing, the Company’s Chief Executive Officer and Chief Financial Officer concluded, as of that time, ~~that our~~the disclosure controls and procedures were effective at the reasonable assurance level.

Changes in Internal Control Over Financial Reporting

There have been no changes that occurred during the fourth quarter of the most recent year covered by this report in the Company’s internal control over financial reporting identified in connection with the evaluation referenced above that ~~has~~have materially affected, or isare reasonably likely to materially affect, our internal control over financial reporting.

Management’s Report on Internal Control Over Financial Reporting

Internal control over financial reporting is a process designed by, or under the supervision of, our Chief Executive Officer and Chief Financial Officer and effected by our board of directors, management, and other personnel to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with GAAP. Internal control over financial reporting includes those policies and procedures that: (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of our assets; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with GAAP, and that our receipts and expenditures are being made only in accordance with authorizations of management and directors; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use or disposition of assets that could have a material effect on the consolidated financial statements.

Management is responsible for establishing and maintaining adequate internal control over financial reporting. Our internal control over financial reporting is supported by written policies and procedures and by an appropriate segregation of responsibilities and duties. The Company has used the criteria set forth in the Internal Control – Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission to assess our internal control over financial reporting. Based upon this assessment, management concluded that internal control over financial reporting operated effectively as of December 31, ~~2015~~2018.

Deloitte & Touche LLP, the Company’s independent registered public accounting firm, has audited the Company’s financial statements and has issued a report on the effectiveness of the Company’s internal control over financial reporting.

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Board of Directors and Stockholders of

Kilroy Realty Corporation

Los Angeles, California

Opinion on Internal Control over Financial Reporting

We have audited the internal control over financial reporting of Kilroy Realty Corporation (the “Company”) as of December 31, ~~2015~~,2018, based on criteria established in Internal Control –— Integrated Framework (2013)issued by the Committee of Sponsoring Organizations of the Treadway ~~Commission.~~ Commission (COSO). In our opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of December 31, 2018, based on criteria established in Internal Control — Integrated Framework (2013) issued by COSO.

We have also audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the financial statements as of and for the year ended December 31, 2018, of the Company and our report dated February 14, 2019, expressed an unqualified opinion on those financial statements.

Basis for Opinion

The Company’s management is responsible for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting, included in the accompanying Management’s Report on Internal Control Over Financial Reporting. Our responsibility is to express an opinion on the Company’s internal control over financial reporting based on our audit. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audit in accordance with the standards of the ~~Public Company Accounting Oversight Board (United States).~~PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether effective internal control over financial reporting was maintained in all material respects. Our audit included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, testing and evaluating the design and operating effectiveness of internal control based on the assessed risk, and performing such other procedures as we considered necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion.

Definition and Limitations of Internal Control over Financial Reporting

A company’s internal control over financial reporting is a process designed by, or under the supervision of, the company’s principal executive and principal financial officers, or persons performing similar functions, and effected by the company’s board of directors, management, and other personnel to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control over financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.

Because of ~~the~~its inherent limitations, of internal control over financial reporting ~~including the possibility of collusion or improper management override of controls, material misstatements due to error or fraud~~ may not ~~be prevented~~prevent or ~~detected on a timely basis.~~detect misstatements. Also, projections of any evaluation of ~~the~~ effectiveness ~~of the internal control over financial reporting~~ to future periods are subject to the risk that ~~the~~ controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

~~In our opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of~~/s/ ~~December 31, 2015, based on the criteria established in~~ ~~Internal Control – Integrated Framework (2013)~~ ~~issued by the Committee of Sponsoring Organizations of the Treadway Commission.~~

We have also audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States), the consolidated financial statements and financial statement schedules as of and for the year ended December 31, 2015, of the Company and our report dated February 12, 2016, expressed an unqualified opinion on those financial statements and financial statement schedules and included an explanatory paragraph regarding the adoption of Accounting Standards Update No. 2014-08, ~~Reporting Discontinued Operations and Disclosures of Disposals of Components of an Entity~~.

~~/s/~~ DELOITTE & TOUCHE LLP

Los Angeles, California

February ~~12, 2016~~14, 2019

Kilroy Realty, L.P.

The Operating Partnership maintains disclosure controls and procedures (as defined in Rule 13a-15(e) or Rule 15d-15(e) under the Exchange Act) that are designed to ensure that information required to be disclosed in ~~our~~the Operating Partnership’s reports under the Exchange Act, is processed, recorded, summarized and reported within the time periods specified in the SEC’s rules and forms, and that such information is accumulated and communicated to management, including the Chief Executive Officer and Chief Financial Officer of its general partner, as appropriate, to allow for timely decisions regarding required disclosure. In designing and evaluating the disclosure controls and procedures, management recognizes that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving the desired control objectives, and management is required to apply its judgment in evaluating the cost-benefit relationship of possible controls and procedures.

As required by SEC Rule 13a-15(b), the Operating Partnership carried out an evaluation, under the supervision and with the participation of management, including the Chief Executive Officer and Chief Financial Officer of its general partner, of the effectiveness of the design and operation of the disclosure controls and procedures as of December 31, ~~2015~~,2018, the end of the period covered by this report. Based on the foregoing, the Chief Executive Officer and Chief Financial Officer of its general partner concluded, as of that time, ~~that~~ the ~~Operating Partnership’s~~ disclosure controls and procedures were effective at the reasonable assurance level.

Changes in Internal Control Over Financial Reporting

There have been no changes that occurred during the fourth quarter of the most recent year covered by this report in the Operating Partnership’s internal control over financial reporting identified in connection with the evaluation referenced above that ~~has~~have materially affected, or isare reasonably likely to materially affect, the Operating Partnership’s internal control over financial reporting.

Management’s Report on Internal Control Over Financial Reporting

Internal control over financial reporting is a process designed by, or under the supervision of, the Chief Executive Officer and Chief Financial Officer of the Operating Partnership’s general partner and effected by the board of directors, management, and other personnel of its general partner to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with GAAP. Internal control over financial reporting includes those policies and procedures that: (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of our assets; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with GAAP, and that our receipts and expenditures are being made only in accordance with authorizations of management and directors; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use or disposition of assets that could have a material effect on the consolidated financial statements.

Management is responsible for establishing and maintaining adequate internal control over financial reporting. Our internal control over financial reporting is supported by written policies and procedures and by an appropriate segregation of responsibilities and duties. The Operating Partnership has used the criteria set forth in the Internal Control – Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission to assess our internal control over financial reporting. Based upon this assessment, management concluded that internal control over financial reporting operated effectively as of December 31, ~~2015~~2018.

Deloitte & Touche LLP, the Operating Partnership’s independent registered public accounting firm, has audited the Operating Partnership’s financial statements and has issued a report on the effectiveness of the Operating Partnership’s internal control over financial reporting.

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Partners of

Kilroy Realty, L.P.

Los Angeles, California

Opinion on Internal Control over Financial Reporting

We have audited the internal control over financial reporting of Kilroy Realty, L.P. (the “Operating Partnership”) as of December 31, ~~2015~~,2018, based on criteria established in Internal Control –— Integrated Framework (2013)issued by the Committee of Sponsoring Organizations of the Treadway ~~Commission.~~ Commission (COSO). In our opinion, the Operating Partnership maintained, in all material respects, effective internal control over financial reporting as of December 31, 2018, based on criteria established in Internal Control — Integrated Framework (2013) issued by COSO.

We have also audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the financial statements as of and for the year ended December 31, 2018, of the Operating Partnership and our report dated February 14, 2019, expressed an unqualified opinion on those financial statements.

Basis for Opinion

The Operating Partnership’s management is responsible for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting, included in the accompanying Management’s Report on Internal Control Over Financial Reporting. Our responsibility is to express an opinion on the Operating Partnership’s internal control over financial reporting based on our audit. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Operating Partnership in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

Definition and Limitations of Internal Control over Financial Reporting

~~In our opinion, the Operating Partnership maintained, in all material respects, effective internal control over financial reporting as of~~/s/ ~~December 31, 2015, based on the criteria established in~~ ~~Internal Control – Integrated Framework (2013)~~ ~~issued by the Committee of Sponsoring Organizations of the Treadway Commission.~~

We have also audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States), the consolidated financial statements and financial statement schedules as of and for the year ended December 31, 2015, of the Operating Partnership and our report dated February 12, 2016, expressed an unqualified opinion on those financial statements and financial statement schedules and included an explanatory paragraph regarding the adoption of Accounting Standards Update No. 2014-08, ~~Reporting Discontinued Operations and Disclosures of Disposals of Components of an Entity~~.

~~/s/~~ DELOITTE & TOUCHE LLP

Los Angeles, California

February ~~12, 2016~~14, 2019


ITEM 9B.	OTHER INFORMATION

Not applicable.

PART III


ITEM 10.	DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE

The information required by Item 10 is incorporated by reference from our definitive proxy statement for our annual stockholders’ meeting presently scheduled to be held in May ~~2016.~~2019.


ITEM 11.	EXECUTIVE COMPENSATION

The information required by Item 11 is incorporated by reference from our definitive proxy statement for our annual stockholders’ meeting presently scheduled to be held in May ~~2016.~~2019.


ITEM 12.	SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS

The information required by Item 12 is incorporated by reference from our definitive proxy statement for our annual stockholders’ meeting presently scheduled to be held in May ~~2016.~~2019.


ITEM 13.	CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR INDEPENDENCE

The information required by Item 13 is incorporated by reference from our definitive proxy statement for our annual stockholders’ meeting presently scheduled to be held in May ~~2016.~~2019.


ITEM 14.	PRINCIPAL ACCOUNTANT FEES AND SERVICES

The information required by Item 14 is incorporated by reference from our definitive proxy statement for our annual stockholders’ meeting presently scheduled to be held in May ~~2016.~~2019.

PART IV


ITEM 15.	EXHIBITS AND FINANCIAL STATEMENT SCHEDULES

(a)(1) and (2) Financial Statements and Schedules

The following consolidated financial information is included as a separate section of this annual report on Form 10-K:



Report of Independent Registered Public Accounting Firm – Kilroy Realty Corporation	F - 2
Consolidated Balance Sheets as of December 31, ~~2015~~2018 and ~~2014~~2017 – Kilroy Realty Corporation	F - 3
Consolidated Statements of Operations for the Years ended December 31, ~~2015, 2014~~2018, 2017 and ~~2013~~2016 – Kilroy Realty Corporation	F - 4
Consolidated Statements of Equity for the Years ended December 31, ~~2015, 2014~~2018, 2017 and ~~2013~~2016 – Kilroy Realty Corporation	F - 5
Consolidated Statements of Cash Flows for the Years ended December 31, ~~2015, 2014~~2018, 2017 and ~~2013~~2016 – Kilroy Realty Corporation	F - 6
Report of Independent Registered Public Accounting Firm – Kilroy Realty, L.P.	F - 7
Consolidated Balance Sheets as of December 31, ~~2015~~2018 and ~~2014~~2017 – Kilroy Realty, L.P.	F - 8
Consolidated Statements of Operations for the Years ended December 31, ~~2015, 2014~~2018, 2017 and ~~2013~~2016 – Kilroy Realty, L.P.	F - 9
Consolidated Statements of Capital for the Years ended December 31, ~~2015, 2014~~2018, 2017 and ~~2013~~2016 – Kilroy Realty, L.P.	F - 10
Consolidated Statements of Cash Flows for the Years ended December 31, ~~2015, 2014~~2018, 2017 and ~~2013~~2016 – Kilroy Realty, L.P.	F - 11
Notes to Consolidated Financial Statements	F - 12
Schedule II – Valuation and Qualifying Accounts	F - 5960
Schedule III – Real Estate and Accumulated Depreciation	F - 6061

All other schedules are omitted because the required information is not present in amounts sufficient to require submission of the schedule or because the information required is included in the financial statements and notes thereto.

(3) Exhibits



Exhibit Number		Description
3.(i)1		Kilroy Realty Corporation Articles of Restatement (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended June 30, 2012)
3.(i)2		Certificate of Limited Partnership of Kilroy Realty, L.P. (previously filed by Kilroy Realty, L.P., as an exhibit to the General Form for Registration of Securities on Form 10 as filed with the Securities and Exchange Commission on August 18, 2010)
3.(i)3		Amendment to the Certificate of Limited Partnership of Kilroy Realty, L.P. (previously filed by Kilroy Realty, L.P., as an exhibit to the General Form for Registration of Securities on Form 10 as filed with the Securities and Exchange Commission on August 18, 2010)
3.(i)4		Articles Supplementary ~~designating Kilroy Realty Corporation’s 6.375%~~reclassifying shares of the Series ~~H Cumulative Redeemable~~G Preferred Stock of the Company (previously filed by Kilroy Realty Corporation as an exhibit on Form ~~8-A~~8-K as filed with the Securities and Exchange Commission on August ~~10, 2012)~~23, 2017)
3.(i)5		Articles Supplementary reclassifying shares of the Series H Preferred Stock of the Company (previously filed by Kilroy Realty Corporation as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on August 23, 2017)
3.(ii)1		~~Third~~ Fifth Amended and Restated Bylaws of Kilroy Realty Corporation (previously filed by Kilroy Realty Corporation as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on ~~December 11, 2014)~~February 1, 2017)



3.(ii)2		Seventh Amended and Restated Agreement of Limited Partnership of Kilroy Realty, L.P. dated August 15, 2012, as amended (previously filed by Kilroy Realty Corporation on Form 10-Q for the quarter ended June 30, 2014)



~~Exhibit~~ ~~Number~~		~~Description~~
4.1		Kilroy Realty Corporation Form of Certificate for Common Stock (previously filed by Kilroy Realty Corporation as an exhibit to the Registration Statement on Amendment No. 3 to Form S-11 (No. 333-15553))
4.2		Specimen Certificate for Kilroy Realty Corporation’s 6.875% Series G Cumulative Redeemable Preferred Stock (previously filed by Kilroy Realty Corporation on Form 8-A as filed with the Securities and Exchange Commission on March 22, 2012)
~~4.3~~		Specimen Certificate for Kilroy Realty Corporation’s 6.375% Series H Cumulative Redeemable Preferred Stock (previously filed by Kilroy Realty Corporation on Form 8-A as filed with the Securities and Exchange Commission on August 10, 2012)
~~4.4~~		Registration Rights Agreement, dated January 31, 1997 (previously filed by Kilroy Realty Corporation as an exhibit to the Registration Statement on Amendment No. 3 to Form S-11 (No. 333-15553))
~~4.5~~4.3		Registration Rights Agreement, dated October 31, 1997 (previously filed by Kilroy Realty Corporation as an exhibit on Form 8-K/A as filed with the Securities and Exchange Commission on December 19, 1997)
~~4.6~~		~~Registration Rights Agreement, dated October 6, 2000 (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-K for the year ended December 31, 2000)~~
~~4.7~~		Form of Certificate for Partnership Units of Kilroy Realty, L.P. (previously filed by Kilroy Realty, L.P., as an exhibit to the General Form for Registration of Securities on Form 10 as filed with the Securities and Exchange Commission on August 18, 2010)
~~4.8~~4.4		Indenture, dated May 24, 2010, among Kilroy Realty, L.P., as issuer, Kilroy Realty Corporation, as guarantor, and U.S. Bank National Association, as trustee, including the form of 6.625% Senior Notes due 2020 and the form of the related guarantee (previously filed by Kilroy Realty Corporation as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on May 25, 2010)
~~4.9~~		Registration Rights Agreement, dated May 24, 2010, among Kilroy Realty, L.P., Kilroy Realty Corporation, J.P. Morgan Securities Inc., Banc of America Securities LLC and Barclays Capital Inc. (previously filed by Kilroy Realty Corporation as an exhibit on Form 8−K as filed with the Securities and Exchange Commission on May 25, 2010)
~~4.10~~		Officers’ Certificate pursuant to Sections 101, 201, 301 and 303 of the Indenture dated March 1, 2011, among Kilroy Realty, L.P., as issuer, Kilroy Realty Corporation, as guarantor, and U.S. Bank National Association, as trustee, establishing a series of securities entitled “4.800% Notes due 2018,” including the form of 4.800% Notes due 2018 and the form of related guarantee (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P. as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on July 6, 2011)
~~4.11~~		Registration Rights Agreement, dated July 31, 2012 (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended June 30, 2012)
~~4.12~~4.5		Officers’ Certificate pursuant to Sections 101, 201, 301 and 303 of the Indenture dated March 1, 2011, among Kilroy Realty, L.P., as issuer, Kilroy Realty Corporation, as guarantor, and U.S. Bank National Association, as trustee, establishing a series of securities entitled “3.800% Notes due 2023,” including the form of 3.800% Notes due 2023 and the form of related guarantee (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P. as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on January 14, 2013)
~~4.13~~4.6		Indenture, dated March 1, 2011, by and among Kilroy Realty, L.P., as issuer, Kilroy Realty Corporation, as guarantor, and U.S. Bank National Association, as trustee (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P. as an exhibit to the Registration Statement on Form S-3 as filed with the Securities and Exchange Commission on October 2, 2013)
~~4.14~~4.7		Supplemental Indenture, dated July 5, 2011, among Kilroy Realty, L.P., as issuer, Kilroy Realty Corporation, as guarantor, and U.S. Bank National Association, as trustee (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P. as an exhibit to the Registration Statement on Form S-3 as filed with the Securities and Exchange Commission on October 2, 2013)
~~4.15~~4.8		Officers’ Certificate pursuant to Sections 102, 201, 301 and 303 of the Indenture dated March 1, 2011, among Kilroy Realty, L.P., as issuer, Kilroy Realty Corporation, as guarantor, and U.S. Bank National Association, as trustee, establishing a series of securities entitled “4.25% Senior Notes due 2029,” including the form of 4.25% Senior Notes due 2029 and the form of related guarantee (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P. as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on August 6, 2014)



~~Exhibit~~ ~~Number~~ 4.9		~~Description~~
~~4.16~~		Officers’ Certificate, dated September 16, 2015, pursuant to Sections 102, 201, 301 and 303 of the Indenture dated March 1, 2011, among Kilroy Realty, L.P., as issuer, Kilroy Realty Corporation, as guarantor, and U.S. Bank National Association, as trustee, establishing a series of securities entitled “4.375% Senior Notes due 2025,” including the form of 4.375% Senior Notes due 2025 and the form of related guarantee (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P. as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on September 16, 2015)
~~4.17~~4.10		Officers’ Certificate, dated December 11, 2017, pursuant to Sections 102, 201, 301 and 303 of the Indenture dated March 1, 2011, among Kilroy Realty, L.P., as issuer, Kilroy Realty Corporation, as guarantor, and U.S. Bank National Association, as trustee, establishing a series of securities entitled “3.450% Senior Notes due 2024,” including the form of 3.450% Senior Notes due 2024 and the form of related guarantee (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P. as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on December 11, 2017)
4.11		Officers’ Certificate, dated November 29, 2018, pursuant to Sections 102, 201, 301 and 303 of the Indenture dated March 1, 2011, as amended and supplemented, among Kilroy Realty, L.P., as issuer, Kilroy Realty Corporation, as guarantor, and U.S. Bank National Association, as trustee, establishing a series of securities entitled “4.750% Senior Notes due 2028,” including the form of 4.750% Senior Note due 2028 and the form of related guarantee (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P., as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on November 29, 2018)
4.12		The Company is party to agreements in connection with long-term debt obligations, none of which individually exceeds ten percent of the total assets of the Company on a consolidated basis. Pursuant to Item 601(b)(4)(iii)(A) of Regulation S-K, the Company agrees to furnish copies of these agreements to the Commission upon request



10.1		Pledge Agreement by and among Kilroy Realty, L.P., John B. Kilroy, Sr., John B. Kilroy, Jr. and Kilroy Industries (previously filed by Kilroy Realty Corporation as an exhibit to the Registration Statement on Amendment No. 3 to Form S-11 (No. 333-15553))
10.2†		1997 Stock Option and Incentive Plan of the Registrant and Kilroy Realty, L.P. (previously filed by Kilroy Realty Corporation as an exhibit to the Registration Statement on Amendment No. 3 to Form S-11 (No. 333-15553))
10.3		Lease Agreement, dated January 24, 1989, by and between Kilroy Long Beach Associates and the City of Long Beach for Kilroy Long Beach Phase I (previously filed by Kilroy Realty Corporation as an exhibit to the Registration Statement on Amendment No. 2 to Form S-11 (No. 333-15553))
~~10.4~~		First Amendment to Lease Agreement, dated December 28, 1990, by and between Kilroy Long Beach Associates and the City of Long Beach for Kilroy Long Beach Phase I (previously filed by Kilroy Realty Corporation as an exhibit to the Registration Statement on Amendment No. 2 to Form S-11 (No. 333-15553))
~~10.5~~		~~Second Amendment to Lease Agreement, dated April 28, 1997, by and between Kilroy Long Beach Associates and the City of Long Beach for Kilroy Long Beach Phase I~~
~~10.6~~		~~Third Amendment to Lease Agreement, dated June 20, 2002, by and between Kilroy Long Beach Associates and the City of Long Beach for Kilroy Long Beach Phase I~~
~~10.7~~		Lease Agreement, dated December 30, 1988, by and between Kilroy Long Beach Associates and the City of Long Beach for Kilroy Long Beach Phase II (previously filed by Kilroy Realty Corporation as an exhibit to the Registration Statement on Form S-11 (No. 333-15553))
~~10.8~~		First Amendment to Lease Agreement, dated December 28, 1990, by and between Kilroy Long Beach Associates and the City of Long Beach for Kilroy Long Beach Phase II (previously filed by Kilroy Realty Corporation as an exhibit to the Registration Statement on Form S-11 (No. 333-15553))
~~10.9~~		~~Second Amendment to Lease Agreement, dated April 28, 1997, by and between Kilroy Long Beach Associates and the City of Long Beach for Kilroy Long Beach Phase II~~
~~10.10~~		Lease Agreement, dated July 17, 1985, by and between Kilroy Long Beach Associates and the City of Long Beach for Kilroy Long Beach Phase III (previously filed by Kilroy Realty Corporation as an exhibit to the Registration Statement on Form S-11 (No. 333-15553))
~~10.11~~		First Amendment to Lease, dated January 24, 1989, by and between Kilroy Long Beach Associates and the City of Long Beach for Kilroy Long Beach Phase III (previously filed by Kilroy Realty Corporation as an exhibit to the Registration Statement on Form S-11 (No. 333-15553))
~~10.12~~		Second Amendment to Lease Agreement, dated December 28, 1990, by and between Kilroy Long Beach Associates and the City of Long Beach for Kilroy Long Beach Phase III (previously filed by Kilroy Realty Corporation as an exhibit to the Registration Statement on Form S-11 (No. 333-15553))
~~10.13~~		Third Amendment to Lease Agreement, dated October 10, 1994, by and between Kilroy Long Beach Associates and the City of Long Beach for Kilroy Long Beach Phase III (previously filed by Kilroy Realty Corporation as an exhibit to the Registration Statement on Form S-11 (No. 333-15553))
~~10.14~~		~~Fourth Amendment to Lease Agreement, dated June 20, 2002, by and between Kilroy Long Beach Associates and the City of Long Beach for Kilroy Long Beach Phase III~~



~~Exhibit~~ ~~Number~~		~~Description~~
~~10.15~~		Development Agreement by and between Kilroy Long Beach Associates and the City of Long Beach (previously filed by Kilroy Realty Corporation as an exhibit to the Registration Statement on Form S-11 (No. 333-15553))
~~10.16~~		Amendment No. 1 to Development Agreement by and between Kilroy Long Beach Associates and the City of Long Beach (previously filed by Kilroy Realty Corporation as an exhibit to the Registration Statement on Form S-11 (No. 333-15553))
~~10.17~~		License Agreement by and among the Registrant and the other persons named therein (previously filed by Kilroy Realty Corporation as an exhibit to the Registration Statement on Amendment No. 4 to Form S-11 (No. 333-15553))
~~10.18~~10.4†		Contribution Agreement, dated October 21, 1997, by and between Kilroy Realty, L.P., Kilroy Realty Corporation, The Allen Group and the Allens (previously filed by Kilroy Realty Corporation as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on November 21, 1997)
~~10.19~~		Amendment to the Contribution Agreement, dated October 14, 1998, by and between Kilroy Realty, L.P., Kilroy Realty Corporation, The Allen Group and the Allens dated October 21, 1997 (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended September 30, 1998)
~~10.20†~~		Form of Restricted Stock Award Agreement (previously filed by Kilroy Realty Corporation as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on February 8, 2007)
~~10.21†~~10.5†		~~Kilroy Realty Corporation 2007 Deferred Compensation Plan (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended June 30, 2007)~~
~~10.22†~~		Employment Agreement by and among Kilroy Realty Corporation, Kilroy Realty, L.P. and Tyler H. Rose effective as of January 1, 2007 (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended June 30, 2007)
~~10.23†~~		Amendment No. 1 to Employment Agreement by and among Kilroy Realty Corporation, Kilroy Realty, L.P. and Tyler H. Rose effective as of December 31, 2009 (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-K for the year ended December 31, 2008)
~~10.24†~~		Kilroy Realty Corporation Stock Award Deferral Program (previously filed by Kilroy Realty Corporation as an exhibit to Form 8-K as filed with the Securities and Exchange Commission on January 2, 2008)
~~10.25†~~10.6†		Form of Indemnification Agreement of Kilroy Realty Corporation with certain officers and directors (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-K for the year ended December 31, 2009)
~~10.26†~~10.7†		Separation Agreement and Release, dated December 16, 2009, by and between Richard E. Moran Jr., Kilroy Realty, L.P. and Kilroy Realty Corporation (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-K for the year ended December 31, 2009)
~~10.27~~		Deed of Trust and Security Agreement, dated January 26, 2010, between Kilroy Realty, L.P. and The Northwestern Mutual Life Insurance Company; related Promissory Note, dated January 26, 2010 for $71 million payable to The Northwestern Mutual Life Insurance Company; and related Guarantee of Recourse Obligations, dated January 26, 2010 by Kilroy Realty Corporation (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-K for the year ended December 31, 2009)
~~10.28~~		Promissory Note, dated January 12, 2011, executed by Kilroy Realty 303, LLC (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P. as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on January 13, 2011)
~~10.29~~		Deed of Trust, Security Agreement and Fixture Filing, dated January 12, 2011, executed by Kilroy Realty 303, LLC (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P. as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on January 13, 2011)
~~10.30~~		Guaranty, dated January 12, 2011, executed by Kilroy Realty, L.P. (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P. as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on January 13, 2011)
~~10.31~~		Unsecured Indemnity Agreement, dated January 12, 2011, executed by Kilroy Realty 303, LLC (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P. as an exhibit on Form 8−K as filed with the Securities and Exchange Commission on January 13, 2011)



~~Exhibit~~ ~~Number~~		~~Description~~
~~10.32†~~		Kilroy Realty Corporation Form of Stock Option Grant Notice and Stock Option Agreement (previously filed by Kilroy Realty Corporation as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on February 24, 2012)
~~10.33†~~10.8†		Amended and Restated Employment Agreement by and between Kilroy Realty Corporation, Kilroy Realty, L.P. and John B. Kilroy, Jr. (previously filed by Kilroy Realty Corporation on Form 8-K as filed with the Securities and Exchange Commission on April 4, 2012)
~~10.34†~~		Noncompetition Agreement by and between Kilroy Realty Corporation, Kilroy Realty, L.P. and John B. Kilroy, Jr. (previously filed by Kilroy Realty Corporation on Form 8-K as filed with the Securities and Exchange Commission on April 4, 2012)
~~10.35~~		~~Term Loan Agreement, dated March 29, 2012 (previously filed by Kilroy Realty Corporation on Form 8-K as filed with the Securities and Exchange Commission on April 2, 2012)~~
~~10.36~~		~~First Amendment to Term Loan Agreement, dated November 28, 2012 (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-K for the year ended December 31, 2012)~~
~~10.37~~		~~Guaranty of Payment of Kilroy Realty Corporation, dated March 29, 2012 (previously filed by Kilroy Realty Corporation on Form 8-K as filed with the Securities and Exchange Commission on April 2, 2012)~~
~~10.38~~		~~Promissory Note, dated June 28, 2012 (previously filed by Kilroy Realty Corporation on Form 8-K as filed with the Securities and Exchange Commission on July 5, 2012)~~
~~10.39~~		Loan Agreement, dated June 28, 2012, by and between KR MML 12701, LLC and Massachusetts Mutual Life Insurance Company (previously filed by Kilroy Realty Corporation on Form 8-K as filed with the Securities and Exchange Commission on July 5, 2012)
~~10.40~~		Deed of Trust, Assignment of Leases and Rents, Security Agreement and Fixture Filing (Irvine) for 2211 Michelson Drive, Irvine, California, dated June 28, 2012 (previously filed by Kilroy Realty Corporation on Form 8-K as filed with the Securities and Exchange Commission on July 5, 2012)
~~10.41~~		Deed of Trust, Assignment of Leases and Rents, Security Agreement and Fixture Filing (Santa Monica) for 2100-2110 Colorado Avenue, Santa Monica, California, dated June 28, 2012 (previously filed by Kilroy Realty Corporation on Form 8-K as filed with the Securities and Exchange Commission on July 5, 2012)
~~10.42~~		~~Recourse Guaranty Agreement, dated June 28, 2012 (previously filed by Kilroy Realty Corporation on Form 8-K as filed with the Securities and Exchange Commission on July 5, 2012)~~
~~10.43~~		~~Environmental Indemnification Agreement, dated June 28, 2012 (previously filed by Kilroy Realty Corporation on Form 8-K as filed with the Securities and Exchange Commission on July 5, 2012)~~
~~10.44†~~		Kilroy Realty Corporation 2006 Incentive Award Plan Restricted Stock Unit Agreement by and between Kilroy Realty Corporation and Jeffrey C. Hawken, dated April 4, 2013 (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended June 30, 2013)
~~10.45†~~		Kilroy Realty Corporation 2006 Incentive Award Plan Restricted Stock Unit Agreement by and between Kilroy Realty Corporation and John Kilroy, Jr., dated March 30, 2012 (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended June 30, 2013)
~~10.46†~~		Form of Restricted Stock Unit Agreement (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended June 30, 2013)
~~10.47†~~10.9†		Form of Stock Award Deferral Program Restricted Stock Unit Agreement (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended June 30, 2013)
~~10.48†~~10.10†		Form of Performance-Vest Restricted Stock Unit Agreement (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended March 31, 2014)
~~10.49†~~10.11†		Form of Restricted Stock Unit Agreement (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended March 31, 2014)
~~10.50†~~10.12†		Form of Restricted Stock Unit Agreement for Non-Employee Members of the Board of Directors (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended March 31, 2014)
~~10.51†~~10.13†		~~Kilroy Realty 2006 Incentive Award Plan (previously filed by Kilroy Realty Corporation on Form 8-K as filed with the Securities and Exchange Commission on May 21, 2015)~~



~~Exhibit~~ ~~Number~~		~~Description~~
~~10.52~~		~~Amended and Restated Revolving Credit Agreement, dated June 23, 2014 (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended June 30, 2014)~~
~~10.53~~		~~Amended and Restated Guaranty, dated June 23, 2014 (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended June 30, 2014)~~
~~10.54~~		~~Term Loan Agreement, dated July 31, 2014 (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended September 30, 2014)~~
~~10.55~~		~~Guaranty, dated July 31, 2014 (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended September 30, 2014)~~
~~10.56~~		Sales Agreement, dated December 12, 2014, between Kilroy Realty Corporation, Kilroy Realty, L.P. and RBC Capital Markets, LLC (previously filed by Kilroy Realty Corporation as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on December 12, 2014)
~~10.57~~		Sales Agreement, dated December 12, 2014, between Kilroy Realty Corporation, Kilroy Realty, L.P. and Jefferies LLC (previously filed by Kilroy Realty Corporation as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on December 12, 2014)
~~10.58~~		Sales Agreement, dated December 12, 2014, between Kilroy Realty Corporation, Kilroy Realty, L.P. and KeyBanc Capital Markets Inc. (previously filed by Kilroy Realty Corporation as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on December 12, 2014)
~~10.59~~		Sales Agreement, dated December 12, 2014, between Kilroy Realty Corporation, Kilroy Realty, L.P. and BNP Paribas Securities Corp. (previously filed by Kilroy Realty Corporation as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on December 12, 2014)
~~10.60~~		Sales Agreement, dated December 12, 2014, between Kilroy Realty Corporation, Kilroy Realty, L.P. and J.P. Morgan Securities LLC (previously filed by Kilroy Realty Corporation as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on December 12, 2014)
~~10.61~~		Sales Agreement, dated December 12, 2014, between Kilroy Realty Corporation, Kilroy Realty, L.P. and Barclays Capital Inc. (previously filed by Kilroy Realty Corporation as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on December 12, 2014)
~~10.62†~~		Form of Performance-Vest Restricted Stock Unit Agreement (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended March 31, 2015)
~~10.63†~~10.14†		Form of Restricted Stock Unit Agreement (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended March 31, 2015)
~~10.64†~~10.15†		Form of Restricted Stock Unit Agreement for Non-Employee Members of the Board of Directors (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended March 31, 2015)
10.65†*10.16†		Amended and Restated Employment Agreement and Non-Competition Agreement by and between Kilroy Realty Corporation, Kilroy Realty, L.P. and Jeffrey C. Hawken effective as of December 31, 2015 (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-K for the year ended December 31, 2015)
10.66†*10.17†		Kilroy Realty Corporation 2006 Incentive Award Plan Restricted Stock Unit Agreement by and between Kilroy Realty Corporation and Jeffrey C. Hawken, dated January 9, 2016 (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended March 31, 2016)
10.18†		Amended and Restated Employment Agreement and Non-Competition Agreement by and between Kilroy Realty Corporation, Kilroy Realty, L.P. and Tyler H. Rose effective as of January 28, 2016 (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended March 31, 2016)
10.19†		Amended and Restated Employment Agreement and Non-Competition Agreement by and between Kilroy Realty Corporation, Kilroy Realty, L.P. and Justin W. Smart effective as of January 28, 2016 (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended March 31, 2016)



10.20†		Kilroy Realty Corporation Director Compensation Policy effective as of ~~January~~April 1, ~~2016~~2018 (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended March 31, 2018.
12.1*10.21†		~~Statement~~Employment Agreement, as amended and restated December 27, 2018, by and between Kilroy Realty Corporation, Kilroy Realty, L.P. and John B. Kilroy, Jr. (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P., as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on December 31, 2018)
10.22†		Kilroy Realty Corporation 2006 Incentive Award Plan Restricted Stock Unit Agreement by and between Kilroy Realty Corporation and John B. Kilroy, Jr., dated December 27, 2018 (with retirement as to Time-Based RSUs) (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P., as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on December 31, 2018)
10.23†		Kilroy Realty Corporation 2006 Incentive Award Plan Restricted Stock Unit Agreement by and between Kilroy Realty Corporation and John B. Kilroy, Jr., dated December 27, 2018 (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P., as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on December 31, 2018)
10.24†*		Form of ~~Computation~~Restricted Stock Unit Agreement for 2006 Incentive Award Plan
10.25		Note Purchase Agreement dated September 14, 2016 (previously filed by Kilroy Realty Corporation as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on September 14, 2016)
10.26		Amendment to Note Purchase Agreement dated May 11, 2018 (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P., as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on May 14, 2018)
10.27		Form of ~~Consolidated Ratio of Earnings to Fixed Charges and Consolidated Ratio of Earnings to Combined Fixed Charges and Preferred Dividends~~Time Sharing Agreement of Kilroy Realty, L.P. (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended September 30, 2016)
12.2*10.28		~~Statement of Computation of Consolidated Ratio of Earnings to Fixed Charges of~~ Promissory Note, dated November 29, 2016 (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P., as an exhibit on Form 10-K for the year ended December 31, 2017)
10.29		Loan Agreement, dated November 29, 2016, by and between KR WMC, LLC and Massachusetts Mutual Life Insurance Company (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P., as an exhibit on Form 10-K for the year ended December 31, 2017)
10.30		Deed of Trust, Assignment of Leases and Rents, Security Agreement and Fixture Filing, dated November 29, 2016 (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P., as an exhibit on Form 10-K for the year ended December 31, 2017)
10.31		Assignment of Leases and Rents, dated November 29, 2016 (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P., as an exhibit on Form 10-K for the year ended December 31, 2017)
10.32		Recourse Guaranty Agreement, dated November 29, 2016 (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P., as an exhibit on Form 10-K for the year ended December 31, 2017)
10.33		Environmental Indemnification Agreement, dated November 29, 2016 (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P., as an exhibit on Form 10-K for the year ended December 31, 2017)
10.34†		Kilroy Realty Corporation 2007 Deferred Compensation Plan, as amended and restated effective January 1, 2017 (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P., as an exhibit on Form 10-K for the year ended December 31, 2016)
10.35		General Partner Guaranty Agreement, dated February 17, 2017 (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P., as an exhibit on Form 10-Q for the quarter ended March 31, 2017)
10.36†		Kilroy Realty 2006 Incentive Award Plan (previously filed by Kilroy Realty Corporation as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on May 23, 2017)
10.37		Second Amended and Restated Credit Agreement dated as of July 24, 2017 (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P., as an exhibit on Form 10-Q for the quarter ended June 30, 2017)
10.38		Second Amended and Restated Guaranty dated as of July 24, 2017 (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P., as an exhibit on Form 10-Q for the quarter ended on June 30, 2017)



10.39		Note Purchase Agreement dated May 11, 2018 (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P., as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on May 14, 2018)
10.40		Sales Agreement, dated June 5, 2018, between and among Kilroy Realty Corporation, Kilroy Realty, L.P. and Merrill Lynch, Pierce, Fenner & Smith Incorporated, Citigroup Global Markets Inc., Jefferies LLC, J.P. Morgan Securities LLC, Raymond James & Associates, Inc., RBC Capital Markets, LLC, Scotia Capital (USA) Inc. and SMBC Nikko Securities America, Inc. as Agents, and the Forward Purchasers (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P., as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on June 5, 2018)
10.41		Forward Sale Agreement dated August 8, 2018, among Kilroy Realty Corporation and Barclays Bank PLC, as Forward Purchaser (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P., as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on August 13, 2018)
10.42		Forward Sale Agreement dated August 8, 2018, among Kilroy Realty Corporation and Citibank, N.A., as Forward Purchaser (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P., as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on August 13, 2018)
21.1*		List of Subsidiaries of Kilroy Realty Corporation
21.2*		List of Subsidiaries of Kilroy Realty, L.P.
23.1*		Consent of Deloitte & Touche LLP for Kilroy Realty Corporation
23.2*		Consent of Deloitte & Touche LLP for Kilroy Realty, L.P.
24.1*		Power of Attorney (included on the signature page of this Form 10-K)
31.1*		Rule 13a-14(a)/15d-14(a) Certification of Chief Executive Officer of Kilroy Realty Corporation
31.2*		Rule 13a-14(a)/15d-14(a) Certification of Chief Financial Officer of Kilroy Realty Corporation
31.3*		Rule 13a-14(a)/15d-14(a) Certification of Chief Executive Officer of Kilroy Realty, L.P.
31.4*		Rule 13a-14(a)/15d-14(a) Certification of Chief Financial Officer of Kilroy Realty, L.P.

~~100~~



~~Exhibit~~ ~~Number~~		~~Description~~
32.1*		Section 1350 Certification of Chief Executive Officer of Kilroy Realty Corporation
32.2*		Section 1350 Certification of Chief Financial Officer of Kilroy Realty Corporation
32.3*		Section 1350 Certification of Chief Executive Officer of Kilroy Realty, L.P.
32.4*		Section 1350 Certification of Chief Financial Officer of Kilroy Realty, L.P.
101.1		The following Kilroy Realty Corporation and Kilroy Realty, L.P. financial information for the year ended December 31, ~~2015,~~2018, formatted in XBRL (eXtensible Business Reporting Language): (i) Consolidated Balance Sheets, (ii) Consolidated Statements of Income, (iii) Consolidated Statements of Changes in Equity, (iv) Consolidated Statements of Capital, (v) Consolidated Statements of Cash Flows and (vi) Notes to the Consolidated Financial Statements.⁽¹⁾



*	Filed herewith
†	Management contract or compensatory plan or arrangement.
(1)	Pursuant to Rule 406T of Regulation S-T, these interactive data files are deemed not filed or part of a registration statement or prospectus for purposes of Sections 11 or 12 of the Securities Act of 1933 or Section 18 of the Securities Exchange Act of 1934 and otherwise are not subject to liability under these sections.

~~101~~

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, Kilroy Realty Corporation has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized on February ~~12, 2016.~~14, 2019.



	KILROY REALTY CORPORATION

	By		/s/ Heidi R. Roth
			Heidi R. Roth Executive Vice President and Chief Accounting Officer ~~and Controller~~

POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS, that we, the undersigned directors and officers of Kilroy Realty Corporation, do hereby severally constitute and appoint John Kilroy, Jeffrey C. Hawken, Tyler H. Rose and Heidi R. Roth, and each of them, as our true and lawful attorneys-in-fact and agents, each with full powers of substitution, to do any and all acts and things in our name and behalf in our capacities as directors and officers and to execute any and all instruments for us and in our names in the capacities indicated below, which said attorneys-in-fact and agents, or any of them, may deem necessary or advisable to enable Kilroy Realty Corporation to comply with the Securities Exchange Act of 1934, as amended, and any rules, regulations and requirements of the Securities and Exchange Commission, in connection with this Annual Report on Form 10-K, including specifically, but without limitation, the power and authority to sign for us or any of us, in our names in the capacities indicated below, any and all amendments hereto; and we do each hereby ratify and confirm all that said attorneys-in-fact and agents or their substitutes, or any one of them, shall do or cause to be done by virtue hereof.

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated.



Name	Title	Date

/s/ John Kilroy	Chairman of the Board, President and Chief Executive Officer (Principal Executive Officer)	February ~~12, 2016~~14, 2019
John Kilroy
/s/ Tyler H. Rose	Executive Vice President and Chief Financial Officer (Principal Financial Officer)	February ~~12, 2016~~14, 2019
Tyler H. Rose
/s/ Heidi R. Roth	Executive Vice President and Chief Accounting Officer ~~and Controller~~ (Principal Accounting Officer)	February ~~12, 2016~~14, 2019
Heidi R. Roth
/s/ Edward F. Brennan, ~~Ph.D.~~PhD	Director	February ~~11, 2016~~12, 2019
Edward F. Brennan, ~~Ph.D.~~PhD
/s/ Jolie Hunt	Director	February ~~11, 2016~~12, 2019
Jolie Hunt
/s/ Scott S. Ingraham	Director	February ~~11, 2016~~12, 2019
Scott S. Ingraham
/s/ Gary R. Stevenson	Director	February ~~11, 2016~~12, 2019
Gary R. Stevenson
/s/ Peter B. Stoneberg	Director	February ~~11, 2016~~12, 2019
Peter B. Stoneberg

~~102~~

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, Kilroy Realty, L.P. has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized on February ~~12, 2016.~~14, 2019.



	KILROY REALTY, L.P.

	By		/s/ Heidi R. Roth
			Heidi R. Roth Executive Vice President and Chief Accounting Officer ~~and Controller~~

POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS, that we, the undersigned directors and officers of Kilroy Realty Corporation, as sole general partner and on behalf of Kilroy Realty, L.P., do hereby severally constitute and appoint John Kilroy, Jeffrey C. Hawken, Tyler H. Rose and Heidi R. Roth, and each of them, as our true and lawful attorneys-in-fact and agents, each with full powers of substitution, to do any and all acts and things in our name and behalf in our capacities as directors and officers and to execute any and all instruments for us and in our names in the capacities indicated below, which said attorneys-in-fact and agents, or any of them, may deem necessary or advisable to enable Kilroy Realty Corporation, as sole general partner and on behalf of Kilroy Realty, L.P., to comply with the Securities Exchange Act of 1934, as amended, and any rules, regulations and requirements of the Securities and Exchange Commission, in connection with this Annual Report on Form 10-K, including specifically, but without limitation, the power and authority to sign for us or any of us, in our names in the capacities indicated below, any and all amendments hereto; and we do each hereby ratify and confirm all that said attorneys-in-fact and agents or their substitutes, or any one of them, shall do or cause to be done by virtue hereof.



Name	Title	Date

/s/ John Kilroy	Chairman of the Board, President and Chief Executive Officer (Principal Executive Officer)	February ~~12, 2016~~14, 2019
John Kilroy
/s/ Tyler H. Rose	Executive Vice President and Chief Financial Officer (Principal Financial Officer)	February ~~12, 2016~~14, 2019
Tyler H. Rose
/s/ Heidi R. Roth	Executive Vice President and Chief Accounting Officer ~~and Controller~~ (Principal Accounting Officer)	February ~~12, 2016~~14, 2019
Heidi R. Roth
/s/ Edward F. Brennan, ~~Ph.D.~~PhD	Director	February ~~11, 2016~~12, 2019
Edward F. Brennan, ~~Ph.D.~~PhD
/s/ Jolie Hunt	Director	February ~~11, 2016~~12, 2019
Jolie Hunt
/s/ Scott S. Ingraham	Director	February ~~11, 2016~~12, 2019
Scott S. Ingraham
/s/ Gary R. Stevenson	Director	February ~~11, 2016~~12, 2019
Gary R. Stevenson
/s/ Peter B. Stoneberg	Director	February ~~11, 2016~~12, 2019
Peter B. Stoneberg

~~103~~

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

CONSOLIDATED FINANCIAL STATEMENTS AS OF DECEMBER 31, ~~2015~~2018 AND ~~2014~~2017

AND FOR THE THREE YEARS ENDED DECEMBER 31, ~~2015~~2018

TABLE OF CONTENTS



	Page
FINANCIAL STATEMENTS OF KILROY REALTY CORPORATION:
Report of Independent Registered Public Accounting Firm	F - 2
Consolidated Balance Sheets as of December 31, ~~2015~~2018 and ~~2014~~2017	F - 3
Consolidated Statements of Operations for the Years ended December 31, ~~2015, 2014~~2018, 2017 and ~~2013~~2016	F - 4
Consolidated Statements of Equity for the Years ended December 31, ~~2015, 2014~~2018, 2017 and ~~2013~~2016	F - 5
Consolidated Statements of Cash Flows for the Years ended December 31, ~~2015, 2014~~2018, 2017 and ~~2013~~2016	F - 6
FINANCIAL STATEMENTS OF KILROY REALTY, L.P.:
Report of Independent Registered Public Accounting Firm	F - 7
Consolidated Balance Sheets as of December 31, ~~2015~~2018 and ~~2014~~2017	F - 8
Consolidated Statements of Operations for the Years ended December 31, ~~2015, 2014~~2018, 2017 and ~~2013~~2016	F - 9
Consolidated Statements of Capital for the Years ended December 31, ~~2015, 2014~~2018, 2017 and ~~2013~~2016	F - 10
Consolidated Statements of Cash Flows for the Years ended December 31, ~~2015, 2014~~2018, 2017 and ~~2013~~2016	F - 11

Notes to Consolidated Financial Statements for Kilroy Realty Corporation and Kilroy Realty, L.P.	F - 12
Schedule II – Valuation and Qualifying Accounts for Kilroy Realty Corporation and Kilroy Realty, L.P.	F - 5960
Schedule III – Real Estate and Accumulated Depreciation for Kilroy Realty Corporation and Kilroy Realty, L.P.	F - 6061

~~F - 1~~

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Board of Directors and Stockholders of

Kilroy Realty Corporation

Los Angeles, California

Opinion on the Financial Statements

We have audited the accompanying consolidated balance sheets of Kilroy Realty Corporation ~~and subsidiaries~~ (the “Company”) as of December 31, ~~2015~~2018 and ~~2014, and~~2017, the related consolidated statements of operations, equity, and cash flows, for each of the three years in the period ended December 31, ~~2015. Our audits also included~~2018, and the ~~financial statement~~related notes and the schedules listed in the Index at Item ~~15.~~ 15 (collectively referred to as the “financial statements”). In our opinion, the financial statements present fairly, in all material respects, the financial position of the Company as of December 31, 2018 and 2017, and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2018, in conformity with accounting principles generally accepted in the United States of America.

We have also audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the Company’s internal control over financial reporting as of December 31, 2018, based on criteria established in Internal Control — Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission and our report dated February 14, 2019, expressed an unqualified opinion on the Company's internal control over financial reporting.

Basis for Opinion

These financial statements ~~and financial statement schedules~~ are the responsibility of the Company’s management. Our responsibility is to express an opinion on ~~these~~the Company’s financial statements ~~and financial statement schedules~~ based on our audits. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the ~~Public Company Accounting Oversight Board (United States).~~PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material ~~misstatement. An audit includes~~misstatement, whether due to error or fraud. Our audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence ~~supporting~~regarding the amounts and disclosures in the financial statements. ~~An audit~~Our audits also ~~includes assessing~~included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial ~~statement presentation.~~statements. We believe that our audits provide a reasonable basis for our opinion.

In our opinion, such consolidated financial statements present fairly, in all material respects, the financial position of the Company as of December 31, 2015 and 2014, and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2015, in conformity with accounting principles generally accepted in the United States of America. Also, in our opinion, such financial statement schedules, when considered in relation to the basic consolidated financial statements taken as a whole, present fairly, in all material respects, the information set forth therein.

As discussed in Note 2 to the consolidated financial statements, the Company has changed its method of accounting for and disclosure of discontinued operations for the year ended December 31, 2015 due to the adoption of Accounting Standards Update No. 2014-08, ~~Reporting Discontinued Operations and Disclosures of Disposals of Components of an Entity~~.

We have also audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States), the Company’s internal control over financial reporting as of December 31, 2015, based on the criteria established in ~~Internal Control – Integrated Framework (2013)~~ ~~issued by the Committee of Sponsoring Organizations of the Treadway Commission and our report dated~~ ~~February 12, 2016, expressed an unqualified opinion on the Company’s internal control over financial reporting.~~

/s/ DELOITTE & TOUCHE LLP

Los Angeles, California

February ~~12, 2016~~14, 2019

~~F - 2~~We have served as the Company’s auditor since 1995.

KILROY REALTY CORPORATION

CONSOLIDATED BALANCE SHEETS

(in thousands, except share data)

December 31, 2015 December 31, 2014
ASSETS
REAL ESTATE ASSETS (Notes 3 and 4):
Land and improvements $ 875,794
$ 877,633
Buildings and improvements 4,091,012
4,059,639
Undeveloped land and construction in progress 1,361,340
1,120,660
Total real estate held for investment 6,328,146
6,057,932
Accumulated depreciation and amortization (994,241 ) (947,664 )
Total real estate held for investment, net ($187,254 and $211,755 of VIE, Note 2) 5,333,905
5,110,268
REAL ESTATE ASSETS AND OTHER ASSETS HELD FOR SALE, NET (Note 4) 117,666
8,211
CASH AND CASH EQUIVALENTS 56,508
23,781
RESTRICTED CASH (Note 4) 696
75,185
MARKETABLE SECURITIES (Notes 14 and 17) 12,882
11,971
CURRENT RECEIVABLES, NET (Note 6) 11,153
7,229
DEFERRED RENT RECEIVABLES, NET (Note 6) 189,704
156,416
DEFERRED LEASING COSTS AND ACQUISITION-RELATED INTANGIBLE ASSETS, NET (Notes 3 and 5) 176,683
201,926
DEFERRED FINANCING COSTS, NET (Notes 2 and 8) 17,628
18,374
PREPAID EXPENSES AND OTHER ASSETS, NET 22,644
20,375
TOTAL ASSETS $ 5,939,469
$ 5,633,736
LIABILITIES AND EQUITY
LIABILITIES:
Secured debt (Notes 3, 7, 8 and 17) $ 381,918
$ 546,292
Unsecured debt, net (Notes 7, 8 and 17) 1,856,590
1,783,121
Unsecured line of credit (Notes 7, 8 and 17) —
140,000
Accounts payable, accrued expenses and other liabilities (Note 16) 246,323
225,830
Accrued dividends and distributions (Note 11) 34,992
32,899
Deferred revenue and acquisition-related intangible liabilities, net (Notes 3, 5 and 9) 128,156
132,239
Rents received in advance and tenant security deposits 49,361
49,363
Liabilities and deferred revenue of real estate assets held for sale (Note 4) 7,543
56
Total liabilities 2,704,883
2,909,800
COMMITMENTS AND CONTINGENCIES (Note 16)

EQUITY (Notes 10 and 11):
Stockholders’ Equity:
Preferred Stock, $.01 par value, 30,000,000 shares authorized,
6.875% Series G Cumulative Redeemable Preferred stock, $.01 par value,
4,600,000 shares authorized, 4,000,000 shares issued and outstanding ($100,000
liquidation preference)
96,155
96,155
6.375% Series H Cumulative Redeemable Preferred stock, $.01 par value,
4,000,000 shares authorized, issued and outstanding ($100,000 liquidation preference)
96,256
96,256
Common stock, $.01 par value, 150,000,000 shares authorized,
92,258,690 and 86,259,684 shares issued and outstanding, respectively
923
863
Additional paid-in capital 3,047,894
2,635,900
Distributions in excess of earnings (70,262 ) (162,964 )
Total stockholders’ equity 3,170,966
2,666,210
Noncontrolling Interests:
Common units of the Operating Partnership 57,100
51,864
Noncontrolling interest in consolidated subsidiary (Notes 2 and 10) 6,520
5,862
Total noncontrolling interests 63,620
57,726
Total equity 3,234,586
2,723,936
TOTAL LIABILITIES AND EQUITY $ 5,939,469
$ 5,633,736



	December 31, 2018			December 31, 2017
ASSETS
REAL ESTATE ASSETS (Notes 2, 3 and 4):
Land and improvements	$	1,160,138		$	1,076,172
Buildings and improvements	5,207,984			4,908,797
Undeveloped land and construction in progress	2,058,510			1,432,808
Total real estate assets held for investment	8,426,632			7,417,777
Accumulated depreciation and amortization	(1,391,368		)	(1,264,162		)
Total real estate assets held for investment, net	7,035,264			6,153,615
CASH AND CASH EQUIVALENTS (Note 23)	51,604			57,649
RESTRICTED CASH (Notes 4 and 23)	119,430			9,149
MARKETABLE SECURITIES (Notes 16 and 19)	21,779			20,674
CURRENT RECEIVABLES, NET (Note 6)	20,176			16,926
DEFERRED RENT RECEIVABLES, NET (Note 6)	267,007			246,391
DEFERRED LEASING COSTS AND ACQUISITION-RELATED INTANGIBLE ASSETS, NET (Notes 3 and 5)	197,574			183,728
PREPAID EXPENSES AND OTHER ASSETS, NET (Note 7)	52,873			114,706
TOTAL ASSETS	$	7,765,707		$	6,802,838
LIABILITIES AND EQUITY
LIABILITIES:
Secured debt, net (Notes 8, 9 and 19)	$	335,531		$	340,800
Unsecured debt, net (Notes 8, 9 and 19)	2,552,070			2,006,263
Unsecured line of credit (Notes 8, 9 and 19)	45,000			—
Accounts payable, accrued expenses and other liabilities (Note 18)	374,415			249,637
Accrued dividends and distributions (Notes 13 and 28)	47,559			43,448
Deferred revenue and acquisition-related intangible liabilities, net (Notes 3, 5 and 10)	149,646			145,890
Rents received in advance and tenant security deposits	60,225			56,484
Total liabilities	3,564,446			2,842,522
COMMITMENTS AND CONTINGENCIES (Note 18)
EQUITY (Notes 11 and 13):
Stockholders’ Equity:
Common stock, $.01 par value, 150,000,000 shares authorized, 100,746,988 and 98,620,333 shares issued and outstanding, respectively	1,007			986
Additional paid-in capital	3,976,953			3,822,492
Distributions in excess of earnings	(48,053		)	(122,685		)
Total stockholders’ equity	3,929,907			3,700,793
Noncontrolling Interests (Note 11):
Common units of the Operating Partnership	78,991			77,948
Noncontrolling interests in consolidated property partnerships (Note 2)	192,363			181,575
Total noncontrolling interests	271,354			259,523
Total equity	4,201,261			3,960,316
TOTAL LIABILITIES AND EQUITY	$	7,765,707		$	6,802,838

See accompanying notes to consolidated financial statements.

~~F - 3~~

KILROY REALTY CORPORATION

CONSOLIDATED STATEMENTS OF OPERATIONS

(in thousands, except share and per share data)

Year Ended December 31,
2015 2014 2013
REVENUES:
Rental income $ 525,355
$ 466,328
$ 411,899
Tenant reimbursements 53,774
46,717
38,047
Other property income (Notes 16 and 18) 2,146
8,680
7,165
Total revenues 581,275
521,725
457,111
EXPENSES:
Property expenses 105,378
100,514
94,115
Real estate taxes 50,223
45,197
39,417
Provision for bad debts 545
58
396
Ground leases (Note 5 and 16) 3,096
3,075
3,504
General and administrative expenses 48,265
46,152
39,660
Acquisition-related expenses 497
1,479
1,962
Depreciation and amortization (Notes 2 and 5) 204,294
202,417
188,887
Total expenses 412,298
398,892
367,941
OTHER (EXPENSES) INCOME:
Interest income and other net investment gains (Note 17) 243
561
1,635
Interest expense (Note 8) (57,682 ) (67,571 ) (75,870 )
Total other (expenses) income (57,439 ) (67,010 ) (74,235 )
INCOME FROM CONTINUING OPERATIONS BEFORE GAINS ON SALES OF REAL ESTATE 111,538
55,823
14,935
Gains on sale of land, net (Note 4) 17,116
3,490
—
Gains on sales of depreciable operating properties (Note 4) 109,950
—
—
INCOME FROM CONTINUING OPERATIONS 238,604
59,313
14,935
DISCONTINUED OPERATIONS (Note 19)
Income from discontinued operations —
2,573
17,378
Net gain on dispositions of discontinued operations —
121,922
12,252
Total income from discontinued operations —
124,495
29,630
NET INCOME 238,604
183,808
44,565
Net income attributable to noncontrolling common units of the Operating Partnership (4,339 ) (3,589 ) (685 )
Net income attributable to noncontrolling interest in consolidated subsidiary (184 ) —
—
Total income attributable to noncontrolling interests (4,523 ) (3,589 ) (685 )
NET INCOME ATTRIBUTABLE TO KILROY REALTY CORPORATION 234,081
180,219
43,880
PREFERRED DIVIDENDS (NOTE 11) (13,250 ) (13,250 ) (13,250 )
NET INCOME AVAILABLE TO COMMON STOCKHOLDERS $ 220,831
$ 166,969
$ 30,630
Income from continuing operations available to common stockholders per share of
common stock – basic (Note 20)
$ 2.44
$ 0.52
$ 0.00
Income from continuing operations available to common stockholders per share of
common stock – diluted (Note 20)
$ 2.42
$ 0.51
$ 0.00
Net income available to common stockholders per share – basic (Note 20) $ 2.44
$ 1.99
$ 0.37
Net income available to common stockholders per share – diluted (Note 20) $ 2.42
$ 1.95
$ 0.37
Weighted average shares of common stock outstanding – basic (Note 20) 89,854,096
83,090,235
77,343,853
Weighted average shares of common stock outstanding – diluted (Note 20) 90,395,775
84,967,720
77,343,853



	Year Ended December 31,
	2018			2017			2016
REVENUES:
Rental income	$	656,631		$	633,896		$	574,413
Tenant reimbursements	80,982			76,559			61,079
Other property income (Note 18)	9,685			8,546			7,080
Total revenues	747,298			719,001			642,572
EXPENSES:
Property expenses	133,787			129,971			113,932
Real estate taxes	70,820			66,449			55,206
Provision for bad debts (Note 20)	5,685			3,269			—
Ground leases (Notes 5 and 18)	6,176			6,337			3,439
General and administrative expenses (Note 15)	90,471			60,581			57,029
Acquisition-related expenses (Note 2)	—			—			1,902
Depreciation and amortization (Notes 2 and 5)	254,281			245,886			217,234
Total expenses	561,220			512,493			448,742
OTHER (EXPENSES) INCOME:
Interest income and other net investment (loss) gain (Note 19)	(559		)	5,503			1,764
Interest expense (Note 9)	(49,721		)	(66,040		)	(55,803		)
Loss on early extinguishment of debt (Note 9)	(12,623		)	(5,312		)	—
Net gain (loss) on sales of land (Note 4)	11,825			449			(295		)
Gains on sales of depreciable operating properties (Note 4)	142,926			39,507			164,302
Total other income (expenses)	91,848			(25,893		)	109,968
NET INCOME	277,926			180,615			303,798
Net income attributable to noncontrolling common units of the Operating Partnership (Notes 2 and 11)	(5,193		)	(3,223		)	(6,635		)
Net income attributable to noncontrolling interests in consolidated property partnerships (Notes 2 and 11)	(14,318		)	(12,780		)	(3,375		)
Total income attributable to noncontrolling interests	(19,511		)	(16,003		)	(10,010		)
NET INCOME ATTRIBUTABLE TO KILROY REALTY CORPORATION	258,415			164,612			293,788
Preferred dividends (Note 13)	—			(5,774		)	(13,250		)
Original issuance costs of redeemed preferred stock and preferred units (Note 13)	—			(7,589		)	—
Total preferred dividends	—			(13,363		)	(13,250		)
NET INCOME AVAILABLE TO COMMON STOCKHOLDERS	$	258,415		$	151,249		$	280,538
Net income available to common stockholders per share – basic (Note 21)	$	2.56		$	1.52		$	3.00
Net income available to common stockholders per share – diluted (Note 21)	$	2.55		$	1.51		$	2.97
Weighted average shares of common stock outstanding – basic (Note 21)	99,972,359			98,113,561			92,342,483
Weighted average shares of common stock outstanding – diluted (Note 21)	100,482,365			98,727,331			93,023,034

See accompanying notes to consolidated financial statements.

~~F - 4~~

KILROY REALTY CORPORATION

CONSOLIDATED STATEMENTS OF EQUITY

(in thousands, except share and per share/unit data)

Preferred
Stock
Common Stock
Total
Stock-
holders’
Equity

Noncontrolling
Interests

Total
Equity
Number
of
Shares

Common
Stock

Additional
Paid-in
Capital

Distributions
in Excess of
Earnings

BALANCE AT DECEMBER 31, 2012 $ 192,411
74,926,981
$ 749
$ 2,126,005
$ (129,535 ) $ 2,189,630
$ 46,303
$ 2,235,933
Net income 43,880
43,880
685
44,565
Issuance of common stock 7,215,838
72
349,879
349,951
349,951
Issuance of share-based compensation awards —

1,448
1,448
1,448
Noncash amortization of share-based compensation 9,563
9,563
9,563
Repurchase of common stock and restricted stock units (42,896 ) (2,521 ) (2,521 ) (2,521 )
Settlement of restricted stock units for shares of common stock 37,245
1
—
1
1
Exercise of stock options 473
128
128
128
Exchange of common units of the Operating Partnership 16,303
450
450
(450 ) —
Adjustment for noncontrolling interest in the Operating Partnership (5,977 ) (5,977 ) 5,977
—
Contribution by noncontrolling interest in the Operating Partnership 4,885
4,885
Preferred dividends and distributions (13,250 ) (13,250 ) (13,250 )
Dividends declared per share of common stock and common unit ($1.40 per share/unit) (111,991 ) (111,991 ) (2,552 ) (114,543 )
BALANCE AT DECEMBER 31, 2013 192,411
82,153,944
822
2,478,975
(210,896 ) 2,461,312
54,848
2,516,160
Net income 180,219
180,219
3,589
183,808
Issuance of common stock 1,950,599
20
123,840
123,860
123,860
Issuance of share-based compensation awards 1,692
1,692
1,692
Noncash amortization of share-based compensation 14,471
14,471
14,471
Exercise of stock options 495,000
5
21,087
21,092
21,092
Repurchase of common stock and restricted stock units (58,045 ) (3,533 ) (3,533 ) (3,533 )
Settlement of restricted stock units for shares of common stock 141,205
—
(1 ) (1 ) (1 )
Common shares issued in connection with settlement of 4.25% Exchangeable Senior Notes 2,091,323
21
202
223
223
Common shares received in connection with capped call option transactions (515,342 ) (5 ) 5
—
—
Exchange of common units of the Operating Partnership 1,000
28
28
(28 ) —
Adjustment for noncontrolling interest in the Operating Partnership (866 ) (866 ) 866
—
Contribution by noncontrolling interest in consolidated subsidiary
977
977
Preferred dividends and distributions (13,250 ) (13,250 ) (13,250 )
Dividends declared per share of common stock and common unit ($1.40 per share/unit) (119,037 ) (119,037 ) (2,526 ) (121,563 )
BALANCE AS OF DECEMBER 31, 2014 192,411
86,259,684
863
2,635,900
(162,964 ) 2,666,210
57,726
2,723,936
Net income 234,081
234,081
4,523
238,604
Issuance of common stock (Note 11) 5,640,033
56
387,342
387,398
387,398
Issuance of share-based compensation awards (Note 13) 1,692
1,692
1,692
Noncash amortization of share-based compensation (Note 13) 18,869
18,869
18,869
Exercise of stock options (Note 13) 342,000
4
14,569
14,573
14,573
Repurchase of common stock, stock options and restricted stock units (Note 13) (101,389 ) —
(7,081 ) (7,081 ) (7,081 )
Settlement of restricted stock units for shares of common stock (Note 13) 78,937
—
(1 ) (1 ) (1 )
Exchange of common units of the Operating Partnership 39,425

1,223
1,223
(1,223 ) —
Adjustment for noncontrolling interest in the Operating Partnership (Note 2) (4,619 ) (4,619 ) 4,619
—
Contribution by noncontrolling interest in consolidated subsidiary (Note 2) 474
474
Preferred dividends (13,250 ) (13,250 ) (13,250 )
Dividends declared per share of common stock and common unit ($1.40 per share/unit) (128,129 ) (128,129 ) (2,499 ) (130,628 )
BALANCE AS OF DECEMBER 31, 2015 $ 192,411
92,258,690
$ 923
$ 3,047,894
$ (70,262 ) $ 3,170,966
$ 63,620
$ 3,234,586



	Preferred Stock			Common Stock											Total Stock- holders’ Equity			Noncontrolling Interests			Total Equity
				Number of Shares		Common Stock			Additional Paid-in Capital			Distributions in Excess of Earnings
BALANCE AS OF DECEMBER 31, 2015	$	192,411		92,258,690		$	923		$	3,047,894		$	(70,262	)	$	3,170,966		$	63,620		$	3,234,586
Net income												293,788			293,788			10,010			303,798
Issuance of common stock				451,398		4			31,113						31,117						31,117
Issuance of share-based compensation awards									1,827						1,827						1,827
Non-cash amortization of share-based compensation									26,624						26,624						26,624
Exercise of stock options				286,500		3			12,205						12,208						12,208
Repurchase of common stock, stock options and restricted stock units				(137,126	)	(1		)	(8,874		)				(8,875		)				(8,875		)
Settlement of restricted stock units for shares of common stock				109,044		1			(1		)				—						—
Issuance of common units in connection with acquisition															—			48,033			48,033
Exchange of common units of the Operating Partnership				250,933		2			8,891						8,893			(8,893		)	—
Initial contributions by noncontrolling interest in consolidated property partnership, net of transaction costs									328,997						328,997			124,452			453,449
Distributions to noncontrolling interests in consolidated property partnerships															—			(3,615		)	(3,615		)
Adjustment for noncontrolling interest in the Operating Partnership									8,973						8,973			(8,973		)	—
Preferred dividends and distributions												(13,250		)	(13,250		)				(13,250		)
Dividends declared per share of common stock and common unit ($3.375 per share/unit)												(318,273		)	(318,273		)	(8,312		)	(326,585		)
BALANCE AS OF DECEMBER 31, 2016	192,411			93,219,439		932			3,457,649			(107,997		)	3,542,995			216,322			3,759,317
Net income												164,612			164,612			16,003			180,615
Redemption of Series G & H Preferred stock	(192,411		)									(7,589		)	(200,000		)				(200,000		)
Issuance of common stock				4,662,577		46			326,012						326,058						326,058
Issuance of share-based compensation awards									5,890						5,890						5,890
Non-cash amortization of share-based compensation									26,319						26,319						26,319
Exercise of stock options				285,000		4			12,175						12,179						12,179
Settlement of restricted stock units for shares of common stock				317,848		3			(3		)				—						—
Repurchase of common stock, stock options and restricted stock units				(168,881	)	(2		)	(12,984		)				(12,986		)				(12,986		)
Exchange of common units of the Operating Partnership				304,350		3			10,936						10,939			(10,939		)	—
Contributions from noncontrolling interests in consolidated property partnerships									—						—			54,604			54,604
Distributions to noncontrolling interests in consolidated property partnerships															—			(16,542		)	(16,542		)
Adjustment for noncontrolling interest in the Operating Partnership									(3,502		)				(3,502		)	3,502			—
Preferred dividends and distributions												(5,774		)	(5,774		)				(5,774		)
Dividends declared per share of common stock and common unit ($1.65 per share/unit)												(165,937		)	(165,937		)	(3,427		)	(169,364		)
BALANCE AS OF DECEMBER 31, 2017	—			98,620,333		986			3,822,492			(122,685		)	3,700,793			259,523			3,960,316
Net income												258,415			258,415			19,511			277,926
Issuance of common stock (Note 13)				1,817,195		18			130,675						130,693						130,693
Issuance of share-based compensation awards (Note 15)									3,926						3,926						3,926
Non-cash amortization of share-based compensation (Note 15)									35,890						35,890						35,890
Exercise of stock options				1,000		—			41						41						41
Settlement of restricted stock units for shares of common stock (Note 15)				488,354		4			(4		)				—						—
Repurchase of common stock and restricted stock units (Note 15)				(231,800	)	(2		)	(16,551		)				(16,553		)				(16,553		)
Exchange of common units of the Operating Partnership				51,906		1			1,961						1,962			(1,962		)	—
Contributions from noncontrolling interests in consolidated property partnerships															—			8,273			8,273
Distributions to noncontrolling interests in consolidated property partnerships															—			(11,803		)	(11,803		)
Adjustment for noncontrolling interest in the Operating Partnership (Note 2)									(1,477		)				(1,477		)	1,477			—
Dividends declared per share of common stock and common unit ($1.79 per share/unit) (Notes 13 and 28)												(183,783		)	(183,783		)	(3,665		)	(187,448		)
BALANCE AS OF DECEMBER 31, 2018	$	—		100,746,988		$	1,007		$	3,976,953		$	(48,053	)	$	3,929,907		$	271,354		$	4,201,261

See accompanying notes to consolidated financial statements.

~~F - 5~~

KILROY REALTY CORPORATION

CONSOLIDATED STATEMENTS OF CASH FLOWS

(in thousands)

Year Ended December 31,
2015 2014 2013
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income $ 238,604
$ 183,808
$ 44,565
Adjustments to reconcile net income to net cash provided by operating activities (including discontinued operations):
Depreciation and amortization of buildings and improvements and leasing costs 201,482
202,108
199,558
Increase in provision for bad debts 545
58
396
Depreciation of furniture, fixtures and equipment 2,812
2,370
1,929
Noncash amortization of share-based compensation awards (Note 13) 15,537
12,095
8,616
Noncash amortization of deferred financing costs and debt discounts and premiums 1,853
4,315
5,315
Noncash amortization of net below market rents (Note 5) (8,449 ) (8,328 ) (7,777 )
Net gain on dispositions of depreciable operating properties (Note 4) (109,950 ) —
—
Net gain on dispositions of discontinued operations (Note 19) —
(121,922 ) (12,252 )
Net gain on sales of land (Note 4) (17,116 ) (3,490 ) —
Noncash amortization of deferred revenue related to tenant-funded tenant improvements (Note 9) (13,338 ) (10,979 ) (10,713 )
Straight-line rents (44,383 ) (31,782 ) (24,135 )
Net change in other operating assets (8,085 ) 367
(4,615 )
Net change in other operating liabilities 12,496
16,633
40,137
Insurance proceeds received for property damage and other, net —
—
(448 )
Net cash provided by operating activities 272,008

245,253
240,576
CASH FLOWS FROM INVESTING ACTIVITIES:
Expenditures for development and redevelopment properties and undeveloped land (407,969 ) (417,784 ) (320,141 )
Expenditures for acquisitions of development and redevelopment properties (Note 3) (139,073 ) (147,182 ) (102,769 )
Expenditures for operating properties (99,557 ) (132,080 ) (129,873 )
Expenditures for acquisitions of operating properties, net of cash acquired (Note 3) —
(204,546 ) (202,682 )
Net proceeds received from dispositions of operating properties and land (Notes 4 and 19) 319,639
427,544
21,178
Issuance of note receivable (3,000 ) —
—
Net decrease (increase) in acquisition-related deposits 1,998
(1,983 ) (2,596 )
Net decrease (increase) in restricted cash (Note 4) 65,210
(25,405 ) 229,915
Insurance proceeds received for property damage —
—
448
Net cash used in investing activities (262,752 ) (501,436 ) (506,520 )
CASH FLOWS FROM FINANCING ACTIVITIES:
Net proceeds from issuance of common stock (Note 11) 387,398
102,229
349,951
Borrowings on unsecured line of credit 250,000
505,000
55,000
Repayments on unsecured line of credit (390,000 ) (410,000 ) (195,000 )
Proceeds from the issuance of unsecured debt (Note 8) 397,776
395,528
299,901
Repayments of unsecured debt (Note 8) (325,000 ) (83,000 ) —
Principal payments and repayments of secured debt (Note 8) (159,766 ) (9,845 ) (93,688 )
Repayments of exchangeable senior notes (Note 8) —
(172,500 ) —
Borrowings on unsecured debt (Note 8) —
39,000
—
Financing costs (4,814 ) (8,648 ) (4,384 )
Proceeds from exercise of stock options (Note 13) 14,573
21,092
128
Repurchase of common stock and restricted stock units (7,081 ) (3,533 ) (2,520 )
Contributions from noncontrolling interests in consolidated subsidiary (Note 2) 474
977
—
Dividends and distributions paid to common stockholders and common unitholders (126,839 ) (118,463 ) (111,517 )
Dividends and distributions paid to preferred stockholders and preferred unitholders (13,250 ) (13,250 ) (13,250 )
Net cash provided by financing activities 23,471
244,587
284,621
Net increase (decrease) in cash and cash equivalents 32,727
(11,596 ) 18,677
Cash and cash equivalents, beginning of year 23,781
35,377
16,700
Cash and cash equivalents, end of year $ 56,508
$ 23,781
$ 35,377



	Year Ended December 31,
	2018			2017			2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$	277,926		$	180,615		$	303,798
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization of real estate assets and leasing costs	249,882			241,862			213,156
Depreciation of non-real estate furniture, fixtures and equipment	4,400			4,024			4,078
Increase in provision for bad debts (Note 20)	5,685			3,269			—
Non-cash amortization of share-based compensation awards (Note 15)	27,932			19,046			21,064
Non-cash amortization of deferred financing costs and net debt discounts	1,084			3,247			2,720
Non-cash amortization of net below market rents (Note 5)	(9,748		)	(8,528		)	(7,166		)
Loss on early extinguishment of debt (Note 9)	12,623			5,312			—
(Gain) loss on sale of land (Note 4)	(11,825		)	(449		)	295
Gains on sales of depreciable operating properties (Note 4)	(142,926		)	(39,507		)	(164,302		)
Non-cash amortization of deferred revenue related to tenant-funded tenant improvements (Note 10)	(18,429		)	(16,767		)	(13,244		)
Straight-line rents	(26,976		)	(33,275		)	(29,629		)
Net change in other operating assets	(7,930		)	(17,732		)	(5,214		)
Net change in other operating liabilities	48,345			5,895			19,498
Net cash provided by operating activities	410,043			347,012			345,054
CASH FLOWS FROM INVESTING ACTIVITIES:
Expenditures for development properties and undeveloped land	(489,236		)	(397,440		)	(351,012		)
Expenditures for acquisitions of development properties and undeveloped land (Note 3)	(311,299		)	(19,829		)	(33,513		)
Expenditures for acquisitions of operating properties (Note 3)	(257,340		)	—			(393,767		)
Expenditures for operating properties and other capital assets	(166,440		)	(88,425		)	(111,961		)
Net proceeds received from dispositions (Note 4)	364,300			182,492			325,031
Decrease (increase) in acquisition-related deposits	36,000			(35,900		)	1,902
Proceeds received from repayment of note receivable (Note 7)	15,100			—			—
Issuance of notes receivable	—			—			(16,100		)
Net cash used in investing activities	(808,915		)	(359,102		)	(579,420		)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net proceeds from issuance of common stock (Note 13)	130,693			326,058			31,117
Redemption of Series G and H Preferred stock (Note 13)	—			(200,000		)	—
Net proceeds from the issuance of unsecured debt (Note 9)	648,537			674,447			—
Repayments of unsecured debt (Note 9)	(261,823		)	(519,024		)	—
Borrowings on unsecured revolving credit facility	765,000			270,000			305,000
Repayments on unsecured revolving credit facility	(690,000		)	(270,000		)	(305,000		)
Borrowings on unsecured debt (Note 9)	120,000			—			—
Principal payments and repayments of secured debt (Note 9)	(3,584		)	(130,371		)	(74,140		)
Proceeds from the issuance of secured debt (Note 9)	—			—			170,000
Financing costs	(6,262		)	(11,500		)	(2,159		)
Repurchase of common stock and restricted stock units (Note 15)	(16,553		)	(12,986		)	(8,875		)
Proceeds from exercise of stock options	41			12,179			12,208
Contributions from noncontrolling interests in consolidated property partnerships (Note 11)	8,273			54,604			453,449
Distributions to noncontrolling interests in consolidated property partnerships	(11,803		)	(16,542		)	(3,615		)
Dividends and distributions paid to common stockholders and common unitholders	(179,411		)	(340,697		)	(137,444		)
Dividends and distributions paid to preferred stockholders and preferred unitholders	—			(7,409		)	(13,250		)
Net cash provided by (used in) financing activities	503,108			(171,241		)	427,291
Net increase (decrease) in cash and cash equivalents and restricted cash	104,236			(183,331		)	192,925
Cash and cash equivalents and restricted cash, beginning of year	66,798			250,129			57,204
Cash and cash equivalents and restricted cash, end of year	$	171,034		$	66,798		$	250,129

See accompanying notes to consolidated financial statements.

~~F - 6~~

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Partners of

Kilroy Realty, L.P.

Los Angeles, California

Opinion on the Financial Statements

We have audited the accompanying consolidated balance sheets of Kilroy Realty, L.P. ~~and subsidiaries~~ (the “Operating Partnership”) as of December 31, ~~2015~~2018 and ~~2014, and~~2017, the related consolidated statements of operations, capital, and cash flows, for each of the three years in the period ended December 31, ~~2015. Our audits also included~~2018, and the ~~financial statement~~related notes and the schedules listed in the Index at Item ~~15.~~ 15 (collectively referred to as the “financial statements”). In our opinion, the financial statements present fairly, in all material respects, the financial position of the Operating Partnership as of December 31, 2018 and 2017, and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2018, in conformity with accounting principles generally accepted in the United States of America.

We have also audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the Operating Partnership’s internal control over financial reporting as of December 31, 2018, based on criteria established in Internal Control — Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission and our report dated February 14, 2019, expressed an unqualified opinion on the Operating Partnership’s internal control over financial reporting.

Basis for Opinion

These financial statements ~~and financial statement schedules~~ are the responsibility of the Operating Partnership’s management. Our responsibility is to express an opinion on ~~these~~the Operating Partnership’s financial statements ~~and financial statement schedules~~ based on our audits. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Operating Partnership in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

In our opinion, such consolidated financial statements present fairly, in all material respects, the financial position of the Operating Partnership as of December 31, 2015 and 2014, and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2015, in conformity with accounting principles generally accepted in the United States of America. Also, in our opinion, such financial statement schedules, when considered in relation to the basic consolidated financial statements taken as a whole, present fairly, in all material respects, the information set forth therein.

As discussed in Note 2 to the consolidated financial statements, the Operating Partnership has changed its method of accounting for and disclosure of discontinued operations for the year ended December 31, 2015 due to the adoption of Accounting Standards Update No. 2014-08, ~~Reporting Discontinued Operations and Disclosures of Disposals of Components of an Entity~~.

We have also audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States), the Operating Partnership’s internal control over financial reporting as of December 31, 2015, based on the criteria established in ~~Internal Control – Integrated Framework (2013)~~ ~~issued by the Committee of Sponsoring Organizations of the Treadway Commission and our report dated~~ ~~February 12, 2016, expressed an unqualified opinion on the Operating Partnership’s internal control over financial reporting.~~

/s/ DELOITTE & TOUCHE LLP

Los Angeles, California

February ~~12, 2016~~14, 2019

~~F - 7~~We have served as the Operating Partnership’s auditor since 2010.

KILROY REALTY, L.P.

CONSOLIDATED BALANCE SHEETS

(in thousands, except unit data)

December 31, 2015 December 31, 2014
ASSETS
REAL ESTATE ASSETS (Notes 3 and 4):
Land and improvements $ 875,794
$ 877,633
Buildings and improvements 4,091,012
4,059,639
Undeveloped land and construction in progress 1,361,340
1,120,660
Total real estate held for investment 6,328,146
6,057,932
Accumulated depreciation and amortization (994,241 ) (947,664 )
Total real estate held for investment, net ($187,254 and $211,755 of VIE, Note 2) 5,333,905
5,110,268
REAL ESTATE ASSETS AND OTHER ASSETS HELD FOR SALE, NET (Note 4) 117,666
8,211
CASH AND CASH EQUIVALENTS 56,508
23,781
RESTRICTED CASH (Note 4) 696
75,185
MARKETABLE SECURITIES (Notes 14 and 17) 12,882
11,971
CURRENT RECEIVABLES, NET (Note 6) 11,153
7,229
DEFERRED RENT RECEIVABLES, NET (Note 6) 189,704
156,416
DEFERRED LEASING COSTS AND ACQUISITION-RELATED INTANGIBLE ASSETS, NET (Notes 3 and 5) 176,683
201,926
DEFERRED FINANCING COSTS, NET (Notes 2 and 8) 17,628
18,374
PREPAID EXPENSES AND OTHER ASSETS, NET 22,644
20,375
TOTAL ASSETS $ 5,939,469
$ 5,633,736
LIABILITIES AND CAPITAL
LIABILITIES:
Secured debt (Notes 3, 8 and 17) $ 381,918
$ 546,292
Unsecured debt, net (Notes 8 and 17) 1,856,590
1,783,121
Unsecured line of credit (Notes 8 and 17) —
140,000
Accounts payable, accrued expenses and other liabilities (Note 16) 246,323
225,830
Accrued distributions (Note 12) 34,992
32,899
Deferred revenue and acquisition-related intangible liabilities, net (Notes 3, 5 and 9) 128,156
132,239
Rents received in advance and tenant security deposits 49,361
49,363
Liabilities and deferred revenue of real estate assets held for sale (Note 4) 7,543
56
Total liabilities 2,704,883
2,909,800
COMMITMENTS AND CONTINGENCIES (Note 16)

CAPITAL (Notes 10 and 12):
Partners’ Capital:
6.875% Series G Cumulative Redeemable Preferred units, 4,000,000 units issued and
outstanding ($100,000 liquidation preference)
96,155
96,155
6.375% Series H Cumulative Redeemable Preferred units, 4,000,000 units issued and
outstanding ($100,000 liquidation preference)
96,256
96,256
Common units, 92,258,690 and 86,259,684 held by the general partner and 1,764,775
and 1,804,200 held by common limited partners issued and outstanding,
respectively
3,031,609
2,521,900
Total Partners’ Capital 3,224,020
2,714,311
Noncontrolling interests in consolidated subsidiaries (Note 2) 10,566
9,625
Total capital 3,234,586
2,723,936
TOTAL LIABILITIES AND CAPITAL $ 5,939,469
$ 5,633,736



	December 31, 2018			December 31, 2017
ASSETS
REAL ESTATE ASSETS (Notes 2, 3 and 4):
Land and improvements	$	1,160,138		$	1,076,172
Buildings and improvements	5,207,984			4,908,797
Undeveloped land and construction in progress	2,058,510			1,432,808
Total real estate assets held for investment	8,426,632			7,417,777
Accumulated depreciation and amortization	(1,391,368		)	(1,264,162		)
Total real estate assets held for investment, net	7,035,264			6,153,615
CASH AND CASH EQUIVALENTS (Note 24)	51,604			57,649
RESTRICTED CASH (Notes 4 and 24)	119,430			9,149
MARKETABLE SECURITIES (Notes 16 and 19)	21,779			20,674
CURRENT RECEIVABLES, NET (Note 6)	20,176			16,926
DEFERRED RENT RECEIVABLES, NET (Note 6)	267,007			246,391
DEFERRED LEASING COSTS AND ACQUISITION-RELATED INTANGIBLE ASSETS, NET (Notes 3 and 5)	197,574			183,728
PREPAID EXPENSES AND OTHER ASSETS, NET (Note 7)	52,873			114,706
TOTAL ASSETS	$	7,765,707		$	6,802,838
LIABILITIES AND CAPITAL
LIABILITIES:
Secured debt, net (Notes 9 and 19)	$	335,531		$	340,800
Unsecured debt, net (Notes 9 and 19)	2,552,070			2,006,263
Unsecured line of credit (Notes 9 and 19)	45,000			—
Accounts payable, accrued expenses and other liabilities (Note 18)	374,415			249,637
Accrued distributions (Notes 14 and 28)	47,559			43,448
Deferred revenue and acquisition-related intangible liabilities, net (Notes 3, 5 and 10)	149,646			145,890
Rents received in advance and tenant security deposits	60,225			56,484
Total liabilities	3,564,446			2,842,522
COMMITMENTS AND CONTINGENCIES (Note 18)
CAPITAL (Notes 12 and 14):
Common units, 100,746,988 and 98,620,333 held by the general partner and 2,025,287 and 2,077,193 held by common limited partners issued and outstanding, respectively	4,003,700			3,773,941
Total partners’ capital	4,003,700			3,773,941
Noncontrolling interests in consolidated property partnerships and subsidiaries (Notes 2 and 12)	197,561			186,375
Total capital	4,201,261			3,960,316
TOTAL LIABILITIES AND CAPITAL	$	7,765,707		$	6,802,838

See accompanying notes to consolidated financial statements.

~~F - 8~~

KILROY REALTY, L.P.

CONSOLIDATED STATEMENTS OF OPERATIONS

(in thousands, except unit and per unit data)

Year Ended December 31,
2015 2014 2013
REVENUES:
Rental income $ 525,355
$ 466,328
$ 411,899
Tenant reimbursements 53,774
46,717
38,047
Other property income (Notes 16 and 18) 2,146
8,680
7,165
Total revenues 581,275
521,725
457,111
EXPENSES:
Property expenses 105,378
100,514
94,115
Real estate taxes 50,223
45,197
39,417
Provision for bad debts 545
58
396
Ground leases (Notes 5 and 16) 3,096
3,075
3,504
General and administrative expenses 48,265
46,152
39,660
Acquisition-related expenses 497
1,479
1,962
Depreciation and amortization (Notes 2 and 5) 204,294
202,417
188,887
Total expenses 412,298
398,892
367,941
OTHER (EXPENSES) INCOME:
Interest income and other net investment gains (Note 17) 243
561
1,635
Interest expense (Note 8) (57,682 ) (67,571 ) (75,870 )
Total other (expenses) income (57,439 ) (67,010 ) (74,235 )
INCOME FROM CONTINUING OPERATIONS BEFORE GAINS ON SALES OF REAL ESTATE 111,538
55,823
14,935
Gains on sale of land, net (Note 4) 17,116
3,490
—
Gains on sales of depreciable operating properties (Note 4) 109,950
—
—
INCOME FROM CONTINUING OPERATIONS 238,604
59,313
14,935
DISCONTINUED OPERATIONS (Note 19)
Income from discontinued operations —
2,573
17,378
Net gain on dispositions of discontinued operations —
121,922
12,252
Total income from discontinued operations —
124,495
29,630
NET INCOME 238,604
183,808
44,565
Net income attributable to noncontrolling interests in consolidated subsidiaries (Notes 2 and 10) (467 ) (260 ) (224 )
NET INCOME ATTRIBUTABLE TO KILROY REALTY, L.P. 238,137
183,548
44,341
PREFERRED DISTRIBUTIONS (NOTE 12) (13,250 ) (13,250 ) (13,250 )
NET INCOME AVAILABLE TO COMMON UNITHOLDERS $ 224,887
$ 170,298
$ 31,091
Income from continuing operations available to common unitholders per unit – basic
(Note 21)
$ 2.44
$ 0.52
$ 0.00
Income from continuing operations available to common unitholders per unit – diluted
(Note 21)
$ 2.42
$ 0.51
$ 0.00
Net income available to common unitholders per unit – basic (Note 21) $ 2.44
$ 1.99
$ 0.37
Net income available to common unitholders per unit – diluted (Note 21) $ 2.42
$ 1.94
$ 0.37
Weighted average common units outstanding – basic (Note 21) 91,645,578
84,894,498
79,166,260
Weighted average common units outstanding – diluted (Note 21) 92,187,257
86,771,983
79,166,260



	Year Ended December 31,
	2018			2017			2016
REVENUES:
Rental income	$	656,631		$	633,896		$	574,413
Tenant reimbursements	80,982			76,559			61,079
Other property income (Note 18)	9,685			8,546			7,080
Total revenues	747,298			719,001			642,572
EXPENSES:
Property expenses	133,787			129,971			113,932
Real estate taxes	70,820			66,449			55,206
Provision for bad debts (Note 20)	5,685			3,269			—
Ground leases (Notes 5 and 18)	6,176			6,337			3,439
General and administrative expenses (Note 15)	90,471			60,581			57,029
Acquisition-related expenses (Note 2)	—			—			1,902
Depreciation and amortization (Notes 2 and 5)	254,281			245,886			217,234
Total expenses	561,220			512,493			448,742
OTHER (EXPENSES) INCOME:
Interest income and other net investment (loss) gain (Note 19)	(559		)	5,503			1,764
Interest expense (Note 9)	(49,721		)	(66,040		)	(55,803		)
Loss on early extinguishment of debt (Note 9)	(12,623		)	(5,312		)	—
Net gain (loss) on sales of land (Note 4)	11,825			449			(295		)
Gains on sales of depreciable operating properties (Note 4)	142,926			39,507			164,302
Total other income (expenses)	91,848			(25,893		)	109,968
NET INCOME	277,926			180,615			303,798
Net income attributable to noncontrolling interests in consolidated property partnerships and subsidiaries (Notes 2 and 12)	(14,716		)	(13,175		)	(3,735		)
NET INCOME ATTRIBUTABLE TO KILROY REALTY, L.P.	263,210			167,440			300,063
Preferred distributions (Note 14)	—			(5,774		)	(13,250		)
Original issuance costs of redeemed preferred units (Note 14)	—			(7,589		)	—
Total preferred distributions	—			(13,363		)	(13,250		)
NET INCOME AVAILABLE TO COMMON UNITHOLDERS	$	263,210		$	154,077		$	286,813
Net income available to common unitholders per unit – basic (Note 22)	$	2.56		$	1.52		$	2.99
Net income available to common unitholders per unit – diluted (Note 22)	$	2.55		$	1.51		$	2.96
Weighted average common units outstanding – basic (Note 22)	102,025,276			100,246,567			94,771,688
Weighted average common units outstanding – diluted (Note 22)	102,535,282			100,860,337			95,452,239

See accompanying notes to consolidated financial statements.

~~F - 9~~

KILROY REALTY, L.P.

CONSOLIDATED STATEMENTS OF CAPITAL

(in thousands, except unit and per unit data)

Partners’ Capital Total Partners’ Capital Noncontrolling Interests in Consolidated Subsidiaries
Preferred Units Number of Common Units Common Units Total Capital
BALANCE AS OF DECEMBER 31, 2012 $ 192,411
76,753,484
$ 2,040,243
$ 2,232,654
$ 3,279
$ 2,235,933
Net income 44,341
44,341
224
44,565
Issuance of common units 7,210,838
349,951
349,951
349,951
Issuance of share-based compensation awards —
1,448
1,448
1,448
Noncash amortization of share-based compensation 9,563
9,563
9,563
Repurchase of common units and restricted stock units (42,896 ) (2,521 ) (2,521 ) (2,521 )
Settlement of restricted stock units 37,245
1
1
1
Exercise of stock options 473
128
128
128
Contribution by noncontrolling interest in consolidated subsidiary 4,885
4,885
Preferred distributions (13,250 ) (13,250 ) (13,250 )
Distributions declared per common unit ($1.40 per unit) (114,543 ) (114,543 ) (114,543 )
BALANCE AS OF DECEMBER 31, 2013 192,411
83,959,144
2,315,361
2,507,772
8,388
2,516,160
Net income 183,548
183,548
260
183,808
Issuance of common units 1,950,599
123,860
123,860
123,860
Issuance of share-based compensation awards 1,692
1,692
1,692
Noncash amortization of share-based compensation 14,471
14,471
14,471
Exercise of stock options 495,000
21,092
21,092
21,092
Repurchase of common units and restricted stock units (58,045 ) (3,533 ) (3,533 ) (3,533 )
Settlement of restricted stock units 141,205
(1 ) (1 ) (1 )
Common shares issued in connection with settlement of 4.25% Exchangeable Senior Notes 2,091.323
223
223
223
Common shares received in connection with capped call option transactions (515.342 ) —
—
Contribution by noncontrolling interest in consolidated subsidiary 977
977
Preferred distributions (13,250 ) (13,250 ) (13,250 )
Distributions declared per common unit ($1.40 per unit) (121,563 ) (121,563 ) (121,563 )
BALANCE AS OF DECEMBER 31, 2014 192,411
88,063,884
2,521,900
2,714,311
9,625
2,723,936
Net income 238,137
238,137
467
238,604
Issuance of common units (Note 12) 5,640,033
387,398
387,398
387,398
Issuance of share-based compensation awards (Note 13) 1,692
1,692
1,692
Noncash amortization of share-based compensation
(Note 13)
18,869
18,869
18,869
Exercise of stock options (Note 13) 342,000
14,573
14,573
14,573
Repurchase of common units and restricted stock units (Note 13) (101,389 ) (7,081 ) (7,081 ) (7,081 )
Settlement of restricted stock units (Note 13) 78,937
(1 ) (1 ) (1 )
Contribution by noncontrolling interest in consolidated subsidiary (Note 2)

474
474
Preferred distributions (13,250 ) (13,250 ) (13,250 )
Distributions declared per common unit ($1.40 per unit) (130,628 ) (130,628 ) (130,628 )
BALANCE AS OF DECEMBER 31, 2015 $ 192,411
94,023,465
$ 3,031,609
$ 3,224,020
$ 10,566
$ 3,234,586



	Partners’ Capital								Total Partners’ Capital			Noncontrolling Interests in Consolidated Property Partnerships and Subsidiaries
	Preferred Units			Number of Common Units		Common Units									Total Capital
BALANCE AS OF DECEMBER 31, 2015	$	192,411		94,023,465		$	3,031,609		$	3,224,020		$	10,566		$	3,234,586
Net income						300,063			300,063			3,735			303,798
Issuance of common units				451,398		31,117			31,117						31,117
Issuance of common units in connection with acquisition				867,701		48,033			48,033						48,033
Issuance of share-based compensation awards						1,827			1,827						1,827
Non-cash amortization of share-based compensation						26,624			26,624						26,624
Exercise of stock options				286,500		12,208			12,208						12,208
Repurchase of common units and restricted stock units				(137,126	)	(8,875		)	(8,875		)				(8,875		)
Settlement of restricted stock units				109,044		—			—						—
Initial contributions from noncontrolling interest in consolidated property partnership, net of transaction costs						328,997			328,997			124,452			453,449
Distributions to noncontrolling interests in consolidated property partnerships												(3,615		)	(3,615		)
Preferred distributions						(13,250		)	(13,250		)				(13,250		)
Distributions declared per common unit ($3.375per unit)						(326,585		)	(326,585		)				(326,585		)
BALANCE AS OF DECEMBER 31, 2016	192,411			95,600,982		3,431,768			3,624,179			135,138			3,759,317
Net income						167,440			167,440			13,175			180,615
Redemption of Series G & H Preferred stock	(192,411		)			(7,589		)	(200,000		)				(200,000		)
Issuance of common units				4,662,577		326,058			326,058						326,058
Issuance of share-based compensation awards						5,890			5,890						5,890
Non-cash amortization of share-based compensation						26,319			26,319						26,319
Exercise of stock options				285,000		12,179			12,179						12,179
Settlement of restricted stock units				317,848		—			—						—
Repurchase of common units and restricted stock units				(168,881	)	(12,986		)	(12,986		)				(12,986		)
Contributions from noncontrolling interest in consolidated property partnership									—			54,604			54,604
Distributions to noncontrolling interests in consolidated property partnerships												(16,542		)	(16,542		)
Preferred distributions						(5,774		)	(5,774		)				(5,774		)
Distributions declared per common unit ($1.65 per unit)						(169,364		)	(169,364		)				(169,364		)
BALANCE AS OF DECEMBER 31, 2017	—			100,697,526		3,773,941			3,773,941			186,375			3,960,316
Net income						263,210			263,210			14,716			277,926
Issuance of common units (Note 14)				1,817,195		130,693			130,693						130,693
Issuance of share-based compensation awards (Note 15)						3,926			3,926						3,926
Non-cash amortization of share-based compensation (Note 15)						35,890			35,890						35,890
Exercise of stock options				1,000		41			41						41
Settlement of restricted stock units (Note 15)				488,354		—			—						—
Repurchase of common units and restricted stock units (Note 15)				(231,800	)	(16,553		)	(16,553		)				(16,553		)
Contributions from noncontrolling interest in consolidated property partnership						—			—			8,273			8,273
Distributions to noncontrolling interests in consolidated property partnerships												(11,803		)	(11,803		)
Distributions declared per common unit ($1.79 per unit) (Notes 14 and 28)						(187,448		)	(187,448		)				(187,448		)
BALANCE AS OF DECEMBER 31, 2018	$	—		102,772,275		$	4,003,700		$	4,003,700		$	197,561		$	4,201,261

See accompanying notes to consolidated financial statements.

~~F - 10~~

KILROY REALTY, L.P.

CONSOLIDATED STATEMENTS OF CASH FLOWS

(in thousands)

Year Ended December 31,
2015 2014 2013
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income $ 238,604
$ 183,808
$ 44,565
Adjustments to reconcile net income to net cash provided by operating activities (including discontinued operations):
Depreciation and amortization of buildings and improvements and leasing costs 201,482
202,108
199,558
Increase in provision for bad debts 545
58
396
Depreciation of furniture, fixtures and equipment 2,812
2,370
1,929
Noncash amortization of share-based compensation awards (Note 13) 15,537
12,095
8,616
Noncash amortization of deferred financing costs and debt discounts and premiums 1,853
4,315
5,315
Noncash amortization of net below market rents (Note 5) (8,449 ) (8,328 ) (7,777 )
Net gain on dispositions of depreciable operating properties (Note 4) (109,950 ) —
—
Net gain on dispositions of discontinued operations (Note 19) —
(121,922 ) (12,252 )
Net gain on sales of land (Note 4) (17,116 ) (3,490 ) —
Noncash amortization of deferred revenue related to tenant-funded tenant improvements (Note 9) (13,338 ) (10,979 ) (10,713 )
Straight-line rents (44,383 ) (31,782 ) (24,135 )
Net change in other operating assets (8,085 ) 367
(4,615 )
Net change in other operating liabilities 12,496
16,633
40,137
Insurance proceeds received for property damage and other, net —
—
(448 )
Net cash provided by operating activities 272,008
245,253
240,576
CASH FLOWS FROM INVESTING ACTIVITIES:
Expenditures for development and redevelopment properties and undeveloped land (407,969 ) (417,784 ) (320,141 )
Expenditures for acquisitions of development and redevelopment properties (Note 3) (139,073 ) (147,182 ) (102,769 )
Expenditures for operating properties (99,557 ) (132,080 ) (129,873 )
Expenditures for acquisitions of operating properties, net of cash acquired (Note 3) —
(204,546 ) (202,682 )
Net proceeds received from dispositions of operating properties and land (Notes 4 and 19) 319,639
427,544
21,178
Issuance of note receivable (3,000 ) —
—
Net decrease (increase) in acquisition-related deposits 1,998
(1,983 ) (2,596 )
Net decrease (increase) in restricted cash (Note 4) 65,210
(25,405 ) 229,915
Insurance proceeds received for property damage —
—
448
Net cash used in investing activities (262,752 ) (501,436 ) (506,520 )
CASH FLOWS FROM FINANCING ACTIVITIES:
Net proceeds from issuance of common units (Note 12) 387,398
102,229
349,951
Borrowings on unsecured line of credit 250,000
505,000
55,000
Repayments on unsecured line of credit (390,000 ) (410,000 ) (195,000 )
Proceeds from the issuance of unsecured debt (Note 8) 397,776
395,528
299,901
Repayments of unsecured debt (Note 8) (325,000 ) (83,000 ) —
Principal payments and repayments of secured debt (Note 8) (159,766 ) (9,845 ) (93,688 )
Repayments of exchangeable senior notes (Note 8) —
(172,500 ) —
Borrowings on unsecured debt (Note 8) —
39,000
—
Financing costs (4,814 ) (8,648 ) (4,384 )
Proceeds from exercise of stock options (Note 13) 14,573
21,092
128
Repurchase of common units and restricted stock units (7,081 ) (3,533 ) (2,520 )
Contributions from noncontrolling interests in consolidated subsidiary (Note 2) 474
977
—
Distributions paid to common unitholders (126,839 ) (118,463 ) (111,517 )
Distributions paid to preferred unitholders (13,250 ) (13,250 ) (13,250 )
Net cash provided by financing activities 23,471
244,587
284,621
Net increase (decrease) in cash and cash equivalents 32,727
(11,596 ) 18,677
Cash and cash equivalents, beginning of year 23,781
35,377
16,700
Cash and cash equivalents, end of year $ 56,508
$ 23,781
$ 35,377



	Year Ended December 31,
	2018			2017			2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$	277,926		$	180,615		$	303,798
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization of real estate assets and leasing costs	249,882			241,862			213,156
Depreciation of non-real estate furniture, fixtures and equipment	4,400			4,024			4,078
Increase in provision for bad debts (Note 20)	5,685			3,269			—
Non-cash amortization of share-based compensation awards (Note 15)	27,932			19,046			21,064
Non-cash amortization of deferred financing costs and net debt discounts	1,084			3,247			2,720
Non-cash amortization of net below market rents (Note 5)	(9,748		)	(8,528		)	(7,166		)
Loss on early extinguishment of debt (Note 9)	12,623			5,312			—
(Gain) loss on sale of land (Note 4)	(11,825		)	(449		)	295
Gains on sales of depreciable operating properties (Note 4)	(142,926		)	(39,507		)	(164,302		)
Non-cash amortization of deferred revenue related to tenant-funded tenant improvements (Note 10)	(18,429		)	(16,767		)	(13,244		)
Straight-line rents	(26,976		)	(33,275		)	(29,629		)
Net change in other operating assets	(7,930		)	(17,732		)	(5,214		)
Net change in other operating liabilities	48,345			5,895			19,498
Net cash provided by operating activities	410,043			347,012			345,054
CASH FLOWS FROM INVESTING ACTIVITIES:
Expenditures for development properties and undeveloped land	(489,236		)	(397,440		)	(351,012		)
Expenditures for acquisitions of development properties and undeveloped land (Note 3)	(311,299		)	(19,829		)	(33,513		)
Expenditures for acquisitions of operating properties (Note 3)	(257,340		)	—			(393,767		)
Expenditures for operating properties and other capital assets	(166,440		)	(88,425		)	(111,961		)
Net proceeds received from dispositions (Note 4)	364,300			182,492			325,031
Decrease (increase) in acquisition-related deposits	36,000			(35,900		)	1,902
Proceeds received from repayment of note receivable (Note 7)	15,100			—			—
Issuance of notes receivable	—			—			(16,100		)
Net cash used in investing activities	(808,915		)	(359,102		)	(579,420		)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net proceeds from issuance of common units (Note 14)	130,693			326,058			31,117
Redemption of Series G and H Preferred units (Note 14)	—			(200,000		)	—
Net proceeds from the issuance of unsecured debt (Note 9)	648,537			674,447			—
Repayments of unsecured debt (Note 9)	(261,823		)	(519,024		)	—
Borrowings on unsecured revolving credit facility	765,000			270,000			305,000
Repayments on unsecured revolving credit facility	(690,000		)	(270,000		)	(305,000		)
Borrowings on unsecured debt (Note 9)	120,000			—			—
Principal payments and repayments of secured debt (Note 9)	(3,584		)	(130,371		)	(74,140		)
Proceeds from the issuance of secured debt (Note 9)	—			—			170,000
Financing costs	(6,262		)	(11,500		)	(2,159		)
Repurchase of common units and restricted stock units (Note 15)	(16,553		)	(12,986		)	(8,875		)
Proceeds from exercise of stock options	41			12,179			12,208
Contributions from noncontrolling interests in consolidated property partnerships (Note 12)	8,273			54,604			453,449
Distributions to noncontrolling interests in consolidated property partnerships	(11,803		)	(16,542		)	(3,615		)
Distributions paid to common unitholders	(179,411		)	(340,697		)	(137,444		)
Distributions paid to preferred unitholders	—			(7,409		)	(13,250		)
Net cash provided by (used in) financing activities	503,108			(171,241		)	427,291
Net increase (decrease) in cash and cash equivalents and restricted cash	104,236			(183,331		)	192,925
Cash and cash equivalents and restricted cash, beginning of year	66,798			250,129			57,204
Cash and cash equivalents and restricted cash, end of year	$	171,034		$	66,798		$	250,129

See accompanying notes to consolidated financial statements.

~~F - 11~~

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

~~Three Years Ended~~ ~~December 31, 2015~~


1.	Organization and Ownership

Kilroy Realty Corporation (the “Company”) is a self-administered real estate investment trust (“REIT”) active in premier office and mixed-use submarkets along the West Coast. We own, develop, acquire and manage real estate assets, consisting primarily of Class A properties in the coastal regions of Greater Los Angeles, Orange County, San Diego County, the San Francisco Bay Area and ~~greater~~Greater Seattle, which we believe have strategic advantages and strong barriers to entry. Class A real estate encompasses attractive and efficient buildings of high quality that are attractive to tenants, are well-designed and constructed with above-average material, workmanship and finishes and are well-maintained and managed. We qualify as a REIT under the Internal Revenue Code of 1986, as amended (the “Code”). The Company’s common stock is publicly traded on the New York Stock Exchange (“NYSE”) under the ticker symbol “KRC.”

We own our interests in all of our real estate assets through Kilroy Realty, L.P. (the “Operating Partnership”) and Kilroy Realty Finance Partnership, L.P. (the “Finance Partnership”). We generally conduct substantially all of our operations through the Operating Partnership. Unless stated otherwise or the context indicates otherwise, the terms “Kilroy Realty Corporation” or the “Company,” “we,” “our,” and “us” refer to Kilroy Realty Corporation and its consolidated subsidiaries and the term “Operating Partnership” refers to Kilroy Realty, L.P. and its consolidated subsidiaries. The descriptions of our business, employees, and properties apply to both the Company and the Operating Partnership.

Our stabilized portfolio of operating properties was comprised of the following ~~office~~ properties at December 31, ~~2015~~:2018:

Number of
Buildings

Rentable
Square Feet
(unaudited)

Number of
Tenants

Percentage
Occupied
(unaudited)
Stabilized Office Properties 101
13,032,406
517
94.8 %



	Number of Buildings	Rentable Square Feet (unaudited)	Number of Tenants	Percentage Occupied (unaudited)		Percentage Leased (unaudited)
Stabilized Office Properties	94	13,232,580	482	94.4	%	96.6	%



	Number of Buildings	Number of Units	2018 Average Occupancy (unaudited)
Stabilized Residential Property	1	200	79.7	%

~~During~~ Costs capitalized to construction in progress for development and redevelopment properties are transferred to land and improvements, buildings and improvements, and deferred leasing costs on our consolidated balance sheets at the ~~year ended~~ ~~December 31, 2015, we stabilized a development project consisting~~historical cost of ~~two office buildings encompassing 108,517 rentable square feet~~the property as the projects are placed in ~~Hollywood, California, and a development project consisting of twooffice buildings encompassing339,987rentable square feet in Redwood City, California. These projects were included in our stabilized portfolio as of December 31, 2015.~~service.



	Number of Properties/Projects	Estimated Rentable Square Feet ⁽¹⁾ (unaudited)
In-process development projects - tenant improvement⁽²⁾	2	1,150,000
In-process development projects - under construction ⁽³⁾	3	1,290,000

Number of
Properties/Projects

Estimated Rentable
Square Feet (unaudited) ⁽¹⁾
Properties held for sale⁽²⁾
4 465,812
Development projects in “lease-up"
1 73,000
Development projects under construction 5 1,910,000

_______________


(1)	Estimated rentable square feet upon completion.


~~(2)~~	~~See Note 4 “Dispositions and Real Estate Assets Held for Sale” for additional information.~~

~~F - 12~~

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)


(2)	Includes 88,000 square feet of Production, Distribution, and Repair (“PDR”) space.


(3)	In addition to the estimated office and PDR rentable square feet noted above, development projects under construction also include 96,000 square feet of retail space and 801 residential units.

Our stabilized portfolio also excludes our ~~near-term and~~ future development pipeline, which isas of December 31, 2018 was comprised of ~~ten~~five potential development sites, representing approximately 99 73gross acres of undeveloped land.

As of December 31, ~~2015~~,2018, all of our ~~real estate assets~~properties and development projects were owned and all of our business was conducted in the state of California with the exception of ~~twelve~~eight office properties and one ~~future~~ development project under construction located in the state of Washington. All of our ~~real estate assets~~properties and development projects are 100% owned, excluding ~~two~~four office properties owned by ~~Redwood City Partners, LLC (“Redwood LLC”),~~three consolidated property partnerships and an office property held by a consolidated ~~subsidiary, and an undeveloped land parcel held at~~variable interest entity for a ~~qualified intermediary for potential future transactions that are~~transaction intended to qualify as a like-kind ~~exchanges~~exchange pursuant to Section 1031 of the Code (“Section 1031 ~~Exchanges”~~Exchange”) ~~to defer taxable gains on dispositions for federal~~that closed in January 2019. Two of the three property partnerships, 100 First Street Member, LLC (“100 First LLC”) and ~~state income tax purposes, which have been consolidated for financial reporting purposes (see Note 2 “Basis of Presentation and Significant Accounting Policies” for additional information).~~

303 Second Street Member, LLC (“303 Second LLC”), each owned one office property in San Francisco, California through subsidiary REITs. As of December 31, ~~2015~~,2018, the Company owned a ~~98.1%~~56% common equity interest in both 100 First LLC and 303 Second LLC. The third property partnership, Redwood City Partners, LLC (“Redwood LLC”) owned two office properties in Redwood City, California. As of December 31, 2018, the Company owned an approximate 93% common equity interest in Redwood LLC. The remaining interests in all three property partnerships were owned by unrelated third parties.

As of December 31, 2018, the Company owned an approximate 98.0% common general partnership interest in the Operating Partnership. The remaining ~~1.9%~~approximate 2.0% common limited partnership interest in the Operating Partnership as of December 31, ~~2015~~2018 was owned by non-affiliated investors and certain of our executive officers and directors. Both the general and limited common partnership interests in the Operating Partnership are denominated in common units. Generally, the number of common units held by the Company is equivalent to the number of outstanding shares of the Company’s common stock, and the rights of all the common units to quarterly distributions and payments in liquidation mirror those of the Company’s common stockholders. The common limited partners have certain redemption rights as provided in the Operating Partnership’s Seventh Amended and Restated Agreement of Limited Partnership, as amended, the “Partnership Agreement” ~~(see Note 10 “Noncontrolling Interests on the Company’s Consolidated Financial Statements” for additional information)~~.

Kilroy Realty Finance, Inc., which is a ~~wholly owned~~wholly-owned subsidiary of the Company, is the sole general partner of the Finance Partnership and owns a 1.0% common general partnership interest in the Finance Partnership. The Operating Partnership owns the remaining 99.0% common limited partnership interest. ~~Kilroy Services, LLC (“KSLLC”), which is a wholly owned subsidiary of the Operating Partnership, is the entity through which we generally conduct substantially all of our development activities.~~ With the exception of the Operating Partnership and ~~Redwood LLC,~~our consolidated property partnerships, all of our subsidiaries are ~~wholly owned.~~wholly-owned.


2.	Basis of Presentation and Significant Accounting Policies

Basis of Presentation

The consolidated financial statements of the Company include the consolidated financial position and results of operations of the Company, the Operating Partnership, the Finance Partnership, ~~KSLLC,~~303 Second LLC, 100 First LLC, Redwood LLC and all of our ~~wholly owned~~wholly-owned and controlled subsidiaries. The consolidated financial statements of the Operating Partnership include the consolidated financial position and results of operations of the Operating Partnership, the Finance Partnership, ~~KSLLC,~~303 Second LLC, 100 First LLC, Redwood LLC and all ~~wholly owned~~of our wholly-owned and controlled ~~subsidiaries of the Operating Partnership.~~subsidiaries. All intercompany balances and transactions have been eliminated in the consolidated financial statements.

Accounting Pronouncements Adopted January 1, 2018

Effective January 1, 2018, we adopted Financial Accounting Standards Board (“FASB”) Accounting Standards Update (“ASU”) No. 2014-09 “Revenue From Contracts with Customers (Topic 606)” (“ASU 2014-09”) and the related FASB ASU Nos. 2016-12 and 2016-20, which provide practical expedients, technical corrections, and improvements for certain aspects of ASU 2014-09, on a modified retrospective basis. ASU 2014-09 establishes a single comprehensive model for entities to use in accounting for revenue from contracts with customers and supersedes most of the existing revenue recognition guidance.

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

We evaluated each of the Company’s revenue streams to determine the sources of revenue that are impacted by ASU 2014-09 and concluded that two revenue streams, sales of real estate and revenue from our multi-tenant parking arrangements, fall within the scope of Topic 606. We evaluated the impact of the adoption of the guidance on the timing of gain recognition for our historical dispositions and concluded there was not a significant impact to our consolidated financial statements given the straight forward nature of our historical disposition transactions. We also evaluated the impact of the guidance on the timing and pattern of revenue recognition for our multi-tenant parking arrangements and determined there was no significant impact to our consolidated financial statements. We generally provide parking for our multi-tenant properties based on the prevailing market rate per parking space, which adjusts based on prevailing market rates during the tenant’s occupancy, and we recognize parking revenue as parking spaces are utilized by the tenant. Given the structure of these arrangements whereby the amount of parking revenue we recognize corresponds directly to the tenant’s use, we were able to apply the practical expedient provided in Accounting Standards Codification (“ASC”) 606-10-50-14(b) (the “right to invoice” practical expedient). As a result of applying this practical expedient, we are not required to disclose the transaction price allocated to future performance obligations for multi-tenant parking since we cannot predict or estimate the use of such parking spaces. During the years ended December 31, 2018, 2017 and 2016, we recognized$26.7 million, $26.7 million and $23.3 million, respectively, of parking revenue for arrangements that are within the scope of Topic 606, which is included in rental revenues on our consolidated statements of operations. We concluded that the adoption of Topic 606 did not have a material impact on our consolidated financial statements or a material impact on the notes to our consolidated financial statements.

Effective January 1, 2018, we adopted FASB ASU No. 2017-09 “Compensation - Stock Compensation (Topic 718)” on a prospective basis. Under the guidance, an entity will not apply modification accounting to a share-based payment award if the award’s fair value, vesting conditions, and classification as an equity or liability instrument remain the same immediately before and after the change. The adoption of this guidance did not have an impact on our consolidated financial statements or notes to our consolidated financial statements.

Effective January 1, 2018, we adopted FASB ASU No. 2017-05 “Other Income - Gains and Losses from the Derecognition of Nonfinancial Assets (Subtopic 610-20)” (“ASU 2017-05”) on a retrospective basis. This standard clarifies the scope of the original guidance within Subtopic 610-20 “Gains and Losses from the Derecognition of Nonfinancial Assets” that was issued in connection with ASU 2014-09 which provided guidance for recognizing gains and losses from the transfer of nonfinancial assets in transactions with noncustomers. Additionally, ASU 2017-05 adds guidance pertaining to the partial sales of real estate and clarifies that nonfinancial assets within the scope of ASC 610-20 may include nonfinancial assets transferred within a legal entity to a counterparty. For example, a parent may transfer control of nonfinancial assets by transferring ownership interests in a consolidated subsidiary. We evaluated the impact of the new amendments on our historical transactions and concluded that there was no impact. As such, the adoption of this guidance did not have an impact on our consolidated financial statements or notes to our consolidated financial statements.

Effective January 1, 2018, we adopted FASB ASU No. 2016-15 (“ASU 2016-15”) which provides guidance where there is diversity in practice in how certain cash receipts and cash payments are presented and classified in the statement of cash flows, on a retrospective basis. The adoption of this guidance did not have an impact on our consolidated financial statements or notes to our consolidated financial statements.

Effective January 1, 2018, we adopted FASB ASU No. 2016-01 (“ASU 2016-01”) which amends the accounting guidance on the classification and measurement of financial instruments and FASB ASU No. 2018-03 (“ASU 2018-03”) which provides technical corrections and improvements to ASU 2016-01, on a modified retrospective basis. The amendments require that all investments in equity securities, including other ownership interests, are reported at fair value with changes in fair value reported in net income. This requirement does not apply to investments that qualify for equity method accounting or to those that result in consolidation of the investee or for which the entity has elected the predictability exception to fair value measurement. Additionally, the amendments require that the portion of the total fair value change caused by a change in instrument-specific credit risk for financial liabilities for which the fair value option has been elected would be recognized in other comprehensive income. Any accumulated amount remaining in other comprehensive income is reclassified to earnings when the liability is extinguished. The adoption of this guidance did not have an impact on our consolidated financial statements or notes to our consolidated financial statements since our only financial instruments within the scope of ASU 2016-01 and 2018-03 are the marketable securities related to our deferred compensation plan which are classified as trading securities and marked to market at fair value through earnings each reporting period.

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

Partially Owned Entities and Variable Interest Entities

At December 31, ~~2015~~,2018 the consolidated financial statements of the Company included three VIEs in addition to the Operating Partnership: 100 First LLC, 303 Second LLC and an entity established during the fourth quarter of 2018 to facilitate a Section 1031 Exchange. At December 31, 2018, the Company and the Operating Partnership ~~included two variable interest entities (“VIEs”), in which we~~ were ~~deemed~~determined to be the primary ~~beneficiary. One VIE, Redwood LLC,~~beneficiaries of these three VIEs since we had the ability to control the activities that most significantly impact each of the VIEs’ economic performance. As of December 31, 2018, the three VIEs’ total assets, liabilities and noncontrolling interests included on our consolidated balance sheet were approximately $615.4 million (of which $543.9 million related to real estate held for investment), approximately $45.1 millionand approximately $186.4 million,respectively. In January 2019, the Section 1031 Exchange was ~~established in~~successfully completed and the ~~second quarter of 2013 in connection with an undeveloped land acquisition. The other~~related VIE was ~~established~~terminated. Revenues, income and net assets generated by 100 First LLC and 303 Second LLC may only be used to settle their contractual obligations, which primarily consist of operating expenses, capital expenditures and required distributions.

At December 31, 2017, the consolidated financial statements of the Company included two VIEs in addition to the ~~fourth quarter of 2015 to facilitate potential future Section 1031 Exchanges to defer taxable gains on dispositions for federal~~Operating Partnership: 100 First LLC and ~~state income tax purposes. The~~303 Second LLC. At December 31, 2017, the impact of consolidating the VIEs increased the Company’s total assets, liabilities and noncontrolling interests on our consolidated balance sheet by approximately ~~$203.3~~$426.5 million (of which ~~$187.3~~$382.1 million related to real estate held for investment on our consolidated balance sheet), approximately ~~$28.8~~$27.3 million and approximately ~~$6.5~~$175.4 million, ~~respectively, as of December 31, 2015.~~

At ~~December 31, 2014, the~~respectively. The consolidated financial statements of the ~~Company and the~~ Operating Partnership included ~~two~~the same three VIEs in which we were deemed to be the primary beneficiary. One of the VIEs was Redwood LLC and the remaining VIE was established during the fourth quarter of 2014 to facilitate potential Section 1031 Exchanges.

~~F - 13~~

~~KILROY REALTY CORPORATION AND KILROY REALTY, L.P.~~

~~NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)~~

~~During the three months ended March 31, 2015, the Section 1031 Exchange was successfully completed and the VIE was terminated. As a result, $59.2 million of our restricted cash balance~~ at December 31, ~~2014~~, which related to prior period disposition proceeds that were set aside to facilitate the Section 1031 Exchanges, was released from escrow. The impact of consolidating the VIEs increased the Company’s total assets, liabilities and noncontrolling interests by approximately $219.6 million (of which $211.8 million related to real estate held for investment on our consolidated balance sheet), approximately $23.4 million and approximately $5.9 million, respectively, as of December 31, 2014.2017.

Our accounting policy is to consolidate entities in which we have a controlling financial interest and significant decision making control over the entity's operations. In determining whether we have a controlling financial interest in a partially owned entity and the requirement to consolidate the accounts of that entity, we consider factors such as ownership interest, board representation, management representation, size of our investment (including loans), authority to control decisions, and contractual and substantive participating rights of the members. In addition to evaluating control rights, we consolidate entities in which the other members have no substantive kick-out rights to remove the Company as the managing member.

~~We also evaluate whether the entity is a variable interest entity (“VIE”) and whether we are the primary beneficiary. VIEs are entities~~Entities in which the equity investors do not have sufficient equity at risk to finance their endeavors without additional financial support or the holders of the equity investment at risk do not have a controlling financial ~~interest.~~interest are VIEs. We evaluate whether an entity is a VIE and whether we are the primary beneficiary. We are deemed to be the primary beneficiary of a VIE when we have the power to direct the activities of the VIE that most significantly impact the VIEs’ economic performance and the obligation to absorb losses or receive benefits that could potentially be significant to the VIE.

If the requirements for consolidation are not met, the Company would account for investments under the equity method of accounting if we have the ability to exercise significant influence over the entity. Equity method investments would be initially recorded at cost and subsequently adjusted for our share of net income or loss and cash contributions and distributions each period. The Company did not have any equity method investments at December 31, ~~2015~~2018 or ~~December 31, 2014~~.2017.

Significant Accounting Policies

Acquisitions

Subsequent to our adoption of FASB ASU No. 2017-01 (“ASU 2017-01”) on January 1, 2017, which was adopted on a prospective basis, acquisitions of operating properties and development and redevelopment opportunities generally no longer meet the definition of a business and are accounted for as asset acquisitions. For these asset acquisitions, we record the acquired tangible and intangible assets and assumed liabilities based on each asset’s and liability’s relative fair value at the acquisition date of the total purchase price plus any capitalized acquisition costs. We record the acquired tangible and intangible assets and assumed liabilities of acquisitions of operating properties and development and redevelopment opportunities that meet the accounting criteria to be accounted for as business combinations at fair value at the acquisition date.

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

The acquired assets and assumed liabilities for an acquisition generally include but are not limited to (i) land and improvements, buildings and improvements, undeveloped land and construction in progress and (ii) identified tangible and intangible assets and liabilities associated with in-place leases, including tenant improvements, leasing costs, value of above-market and below-market operating leases and ground leases, acquired in-place lease values and tenant relationships, if any. Any debt assumed and equity (including common units of the Operating Partnership) issued in connection with a property acquisition is recorded at fair value on the date of acquisition.

The fair value of land and improvements is derived from comparable sales of land and improvements within the same submarket and/or region. The fair value of buildings and improvements, tenant improvements and leasing costs considers the value of the property as if it was vacant as well as current replacement costs and other relevant market rate information.

The fair value of the above-market or below-market component of an acquired in-place operating lease is based upon the present value (calculated using a market discount rate) of the difference between (i) the contractual rents to be paid pursuant to the lease over its remaining non-cancellable lease term and (ii) our estimate of the rents that would be paid using fair market rental rates and rent escalations at the date of acquisition measured over the remaining non-cancellable term of the lease for above-market operating leases and the initial non-cancellable term plus the term of any below-market fixed rate renewal options, if applicable, for below-market operating leases. Our below-market operating leases generally do not include fixed rate or below-market renewal options. The amounts recorded for above-market operating leases are included in deferred leasing costs and acquisition-related intangible assets, net on the

~~F - 14~~

~~KILROY REALTY CORPORATION AND KILROY REALTY, L.P.~~

~~NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)~~

balance sheet and are amortized on a straight-line basis as a reduction of rental income over the remaining term of the applicable leases. The amounts recorded for below-market operating leases are included in deferred revenue and acquisition-related intangible liabilities, net on the balance sheet and are amortized on a straight-line basis as an increase to rental income over the remaining term of the applicable leases plus the term of any below-market fixed rate renewal options, if applicable. The amortization of the below-market ground lease obligation is recorded as an increase to ground lease expense in the consolidated statements of operations for the periods presented. The amortization of the above-market ground lease obligation is recorded as a decrease to ground lease expense in the consolidated statements of operations for the periods presented.

The fair value of acquired in-place leases is derived based on our assessment of lost revenue and costs incurred for the period required to lease the “assumed vacant” property to the occupancy level when purchased. The amount recorded for acquired in-place leases is included in deferred leasing costs and acquisition-related intangible assets, net on the balance sheet and amortized as an increase to depreciation and amortization expense over the remaining term of the applicable leases. Fully amortized intangible assets are written off each quarter.

~~We record~~Subsequent to our adoption of ASU 2017-01 on January 1, 2017, transaction costs associated with our acquisitions are capitalized as part of the ~~acquisition~~purchase price of ~~undeveloped land~~the acquisition. Prior to our adoption of ASU 2017-01, costs associated with all operating property acquisitions and those development and redevelopment acquisitions that ~~does not meet~~met the ~~accounting~~ criteria to be accounted for as business combinations were expensed as incurred and the subsequent acquisition of the fee interest in land and improvements underlying our properties at the purchase price paid and capitalize the associated acquisition costs. During the years ended December 31, 2015, 2014 and 2013 we capitalized $1.1 million, $4.5 million and $2.3 million, respectively, in acquisition costs associated with development ~~acquisitions.~~acquisitions accounted for as asset acquisitions were capitalized as part of the cost of the asset.

Operating Properties

Operating properties are generally carried at historical cost less accumulated depreciation. Properties held for sale are reported at the lower of the carrying value or the fair value less estimated cost to sell. The cost of operating properties includes the purchase price or development costs of the properties. Costs incurred for the renovation and betterment of the operating properties are capitalized to our investment in that property. Maintenance and repairs are charged to expense as incurred.

When evaluating properties to be held and used for potential impairment, we first evaluate whether there are any indicators of impairment for any of our properties. If any impairment indicators are present for a specific property, we then evaluate the regional market conditions that could reasonably affect the property. If there are negative changes and trends in that regional market, we then perform an undiscounted cash flow analysis and compare the net carrying amount of the property to the property’s estimated undiscounted future cash flow over the anticipated holding period. If the estimated undiscounted future cash flow is less than the net carrying amount of the property, we then perform an

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

impairment loss calculation to determine if the fair value of the property is less than the net carrying value of the property. Our impairment loss calculation compares the net carrying amount of the property to the property’s estimated fair value, which may be based on estimated discounted future cash flow calculations or third-party valuations or appraisals. We would recognize an impairment loss if the asset’s net carrying amount exceeds the asset’s estimated fair value. If we were to recognize an impairment loss, the estimated fair value of the asset (less costs to sell for assets held for sale) would become its new cost basis. For a depreciable long-lived asset, the new cost basis would be depreciated (amortized) over the remaining useful life of that asset.

Cost Capitalization

All costs clearly associated with the development, redevelopment and construction of a property are capitalized as project costs, including internal compensation costs. In addition, the following costs are capitalized as project costs during periods in which activities necessary to prepare development and redevelopment properties for ~~its~~their intended use are in progress: pre-construction costs essential to the development of the property, interest, real estate taxes and insurance.

For office and retail development and redevelopment properties that are pre-leased, we cease capitalization when revenue recognition commences, which is upon substantial completion of tenant ~~improvements.~~improvements deemed to be the Company’s asset for accounting purposes.

For office and retail development and redevelopment properties that are not pre-leased, we may not immediately build out the tenant improvements. Therefore, we cease capitalization when revenue recognition commences upon substantial completion of the tenant improvements deemed to be the Company's asset for accounting purposes, but in any event, no later than one year after the cessation of major construction activities. We also cease capitalization on a development or redevelopment property when activities necessary to prepare the property for its intended use have been suspended.

~~F - 15~~

~~KILROY REALTY CORPORATION AND KILROY REALTY, L.P.~~

~~NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)~~

For office and retail development or redevelopment properties with multiple tenants and staged leasing, we cease capitalization and begin depreciation on the portion of the development or redevelopment property for which revenue recognition has commenced.

For residential development properties, we cease capitalization when the property is substantially complete and available for occupancy.

Once major base building construction ~~activity has~~activities have ceased and the development or redevelopment property is placed in ~~the lease-up phase,~~service, the costs capitalized to construction in progress are transferred to land and improvements, buildings and improvements, and deferred leasing costs ~~and acquisition-related intangible assets, net~~ on our consolidated balance sheets as the historical cost of the property.

Depreciation and Amortization of Buildings and Improvements

The ~~cost~~costs of buildings and improvements and tenant improvements are depreciated using the straight-line method of accounting over the estimated useful lives set forth in the table below. Depreciation expense for buildings and improvements ~~including discontinued operations,~~ for the three years ended December 31, ~~2015~~, ~~2014~~,2018, 2017, and ~~2013~~2016 was ~~$159.5~~$198.6 million, ~~$153.8~~$190.5 million, and ~~$145.3~~$172.0 million, respectively.



Asset Description		Depreciable Lives
Buildings and improvements		25 – 40 years
Tenant improvements		1 – 20 years ⁽¹⁾

________________________


(1)	Tenant improvements are amortized over the shorter of the lease term or the estimated useful life.

Real Estate Assets Held for Sale, Dispositions and Discontinued Operations

A real estate asset is classified as held for sale when certain criteria are met, including but not limited to the availability of the asset for immediate sale, the existence of an active program to locate a buyer and the probable sale or transfer of the asset within one year. If such criteria are met, we present the applicable assets and liabilities related to the real estate asset held for sale, if material, separately on the balance sheet and we would cease to record depreciation

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

and amortization expense. Real estate assets held for sale are reported at the lower of their carrying value or their estimated fair value less the estimated costs to sell. As of December 31, ~~2015,~~2018 and 2017, we ~~classified four operating~~did not have any properties ~~and one undeveloped land parcel located in San Diego, California as held for sale. As of December 31, 2014, we had one undeveloped land parcel~~ classified as held for sale.

Effective January 1, 2015, the Company adopted Financial Accounting Standards Board (“FASB”) Accounting Standards Update (“ASU”) No. 2014-08 (“ASU 2014-08”), which changed the criteria for reporting discontinued operations while enhancing disclosures in this area. Under the new guidance, only propertyProperty disposals representing a strategic shift that ~~has~~have (or will have) a major effect on ~~an entity's~~the Company’s operations and financial results, such as a major line of business, a major geographical area or a major equity investment, are required to be presented as discontinued operations. If we were to determine that ~~the~~a property disposition represents a strategic shift, the revenues, expenses and net gain (loss) on dispositions of the property would be recorded in discontinued operations for all periods presented through the date of the applicable disposition. The ~~Company adopted~~operations of the eleven, eleven and ~~applied~~six properties sold during the ~~new guidance on a prospective basis~~years ended December 31, 2018, December 31, 2017 and December 31, 2016, respectively, are presented in continuing operations as ~~required by ASU 2014-08. Therefore, properties classified as held for sale and/or disposed of subsequent to January 1, 2015 that do~~they did not represent a strategic shift ~~are presented in continuing operations for all periods presented. In accordance with this guidance, the operations of the ten properties sold during the~~ ~~year~~ ~~ended December 31, 2015 are presented in continuing operations for the~~ ~~year~~ ~~ended December 31, 2015.~~

Prior to January 1, 2015, the revenues and expenses of operating properties that have been sold, if material, and the revenues and expenses of operating properties that have been classified as held for sale, if material, are reported in the ~~consolidated statements of~~Company’s operations as discontinued operations for all periods presented through the date of the applicable disposition. The net gains (losses) on disposition of operating properties are reported in the consolidated statements of operations as discontinued operations in the period the properties are sold. In determining whether the revenues, expenses, and net gains (losses) on dispositions of operating properties are reported as discontinued operations, we evaluate whether we have any significant continuing involvement in the operations, leasing, or management of the sold property. If we were to determine that we had any significant continuing involvement, the revenues, expenses and

~~F - 16~~

~~KILROY REALTY CORPORATION AND KILROY REALTY, L.P.~~

~~NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)~~

net gain (loss) on dispositions of the operating property would not be recorded in discontinued operations. For the year ended December 31, 2014, discontinued operations includes the income and gains on all of the properties sold in 2014. For the year ended December 31, 2013, discontinued operations includes the income and gains on all of the properties sold in 2013 and 2014.financial results.

The net gains (losses) on dispositions of non-depreciable real estate property, including land, are reported in the consolidated statements of operations as gains (losses) on sale of land within continuing operations in the period the land is sold. The net gains (losses) on dispositions of depreciable real estate property are reported in the consolidated statements of operations as gains on sales of depreciable operating properties within continuing operations in the period the land is sold.

Revenue Recognition

We recognize revenue from rent, tenant reimbursements, parking and other revenue once all of the following criteria are met: (i) the agreement has been fully executed and delivered, (ii) services have been rendered, (iii) the amount is fixed or determinable and (iv) the collectability of the amount is reasonably assured.

Minimum annual rental revenues are recognized in rental revenues on a straight-line basis over the non-cancellable term of the related lease. Rental revenue recognition commences when the tenant takes possession or controls the physical use of the leased space. In order for the tenant to take possession, the leased space must be substantially complete and ready for its intended use. In order to determine whether the leased space is substantially ready for its intended use, we begin by determining whether the Company or the tenant owns the tenant improvements. When we conclude that the Company is the owner of tenant improvements, rental revenue recognition begins when the tenant takes possession of the finished space, which is generally when Company owned tenant improvements are substantially complete. In certain instances, when we conclude that the Company is not the owner (the tenant is the owner) of tenant improvements, rental revenue recognition begins when the tenant takes possession of or controls the space.

When we conclude that the Company is the owner of tenant improvements, we record the cost to construct the tenant improvements, including costs paid for or reimbursed by the tenants, as a capital asset. For these tenant improvements, we record the amount funded by or reimbursed by the tenants as deferred revenue, which is amortized on a straight-line basis as additional rental income over the term of the related lease.

When we conclude that the tenant is the owner of tenant improvements for accounting purposes, we record our contribution towards those improvements as a lease incentive, which is included in deferred leasing costs and acquisition-related intangible assets, net on our consolidated balance sheets and amortized as a reduction to rental income on a straight-line basis over the term of the lease.

For residential properties, we commence revenue recognition upon lease commencement. Residential rental revenue is recognized on a straight-line basis over the term of the related lease, net of any concessions.

Tenant Reimbursements

Reimbursements from tenants, consisting of amounts due from tenants for common area maintenance, real estate taxes and other recoverable costs, are recognized as revenue in the period the recoverable costs are incurred. Tenant reimbursements are generally recognized and recorded on a gross basis, as we are generally the primary obligor with respect to purchasing goods and services from third-party suppliers, have discretion in selecting the supplier, and have credit risk.

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

Other Property Income

Other property income primarily includes amounts recorded in connection with lease terminations, ~~and~~ tenant bankruptcy settlement payments, broken deal income and property damage settlement related payments. Lease termination fees are amortized over the remaining lease term, if applicable. If there is no remaining lease term, they are recognized when received and realized. Other property income also includes miscellaneous income from tenants, such as fees related to the restoration of leased premises to their original condition and fees for late rental payments.

~~F - 17~~

~~KILROY REALTY CORPORATION AND KILROY REALTY, L.P.~~

~~NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)~~

Allowances for Uncollectible Tenant and Deferred Rent Receivables

We carry our current and deferred rent receivables net of allowances for uncollectible amounts. Our determination of the adequacy of these allowances is based primarily upon evaluations of individual receivables, current economic conditions, ~~historical loss experience,~~ and other relevant factors. The allowances are increased or decreased through the provision for bad debts on our consolidated statements of operations. We also evaluate allowances for all other receivables which includes note receivables included in prepaid expenses and other assets on our consolidated balances sheets.

Cash and Cash Equivalents

We consider all highly-liquid investments with original maturities of three months or less to be cash equivalents.

Restricted Cash

Restricted cash consists of cash proceeds from dispositions that are temporarily held at qualified intermediaries for purposes of facilitating potential Section 1031 Exchanges and cash held in escrow related to acquisition and disposition holdbacks. Restricted cash also includes cash held as collateral to provide credit enhancement for the Operating Partnership’s mortgage debt, including cash reserves for capital expenditures, tenant improvements and property taxes. As of December 31, ~~2015,~~2018 we had no$113.1 million of restricted cash held at qualified intermediaries for the purpose of facilitating Section 1031 Exchanges. ~~As of December 31, 2014, we had approximately $59.2 million in~~In January 2019, the Section 1031 Exchange was completed and the cash proceeds were released from the qualified intermediary. We did not have any restricted cash held at qualified intermediaries for the purpose of facilitating Section 1031 ~~Exchanges.~~Exchanges at December 31, 2017.

Marketable Securities / Deferred Compensation Plan

Marketable securities reported in our consolidated balance sheets represent the assets held in connection with the Kilroy Realty Corporation 2007 Deferred Compensation Plan (the “Deferred Compensation Plan”) (see Note 1416 “Employee Benefit Plans” for additional information). The Deferred Compensation Plan assets are held in a limited rabbi trust and invested in various mutual and money market funds. As a result, the marketable securities are treated as trading securities for financial reporting purposes and are adjusted to fair value at the end of each accounting period, with the corresponding gains and losses recorded in interest income and other net investment ~~gains.~~gains (losses).

At the time eligible management employees (“Participants”) defer compensation or earn mandatory Company contributions, or if we were to make a discretionary contribution, we record compensation cost and a corresponding deferred compensation plan liability, which is included in accounts payable, accrued expenses, and other liabilities on our consolidated balance sheets. This liability is adjusted to fair value at the end of each accounting period based on the performance of the benchmark funds selected by each Participant, and the impact of adjusting the liability to fair value is recorded as an increase or decrease to compensation cost. The impact of adjusting the deferred compensation plan liability to fair value and the changes in the value of the marketable securities held in connection with the Deferred Compensation Plan generally offset and therefore do not significantly impact net income.

Deferred Leasing Costs

Costs incurred in connection with successful property leasing are capitalized as deferred leasing costs and classified as ~~investment~~investing activities in the statement of cash flows. Deferred leasing costs consist primarily of leasing commissions and also include certain internal payroll costs and lease incentives, which are amortized using the straight-line method of accounting over the lives of the leases which generally range from one to 20 years. We reevaluate the remaining useful lives of leasing costs as the creditworthiness of our tenants and economic and market conditions change. If we

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

determine that the estimated remaining life of a lease has changed, we adjust the amortization period accordingly. Fully amortized deferred leasing costs are written off each quarter.

~~F - 18~~

As discussed below under “Accounting Standards Issued But Not Yet Effective at December 31, 2018,” upon the adoption of FASB ASU No. 2016-02 “Leases (Topic 842),” most deferred leasing costs (with the exception of leasing commissions paid to external third party brokers) will no longer meet the criteria for capitalization. For leases commenced prior to December 31, 2018, these costs will continue to be amortized over the remaining life of the associated lease. For leases executed prior to December 31, 2018 that have not yet commenced as of December 31, 2018, such costs will be charged to distributions in excess of earnings as of January 1, 2019.

~~KILROY REALTY CORPORATION AND KILROY REALTY, L.P.~~

~~NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)~~

Deferred Financing Costs

Financing costs related to the origination or assumption of long-term debt are deferred and generally amortized using the straight-line method of accounting, which approximates the effective interest method, over the contractual terms of the applicable financings. Fully amortized deferred financing costs are written off when the corresponding financing is repaid. ~~As of December 31, 2015 and~~ ~~2014, deferred financing costs were reported net of accumulated amortization of $12.3 million and $12.2 million, respectively.~~

Debt Discounts and Premiums

Original issuance debt discounts and discounts/premiums related to recording debt acquired in connection with operating property acquisitions at fair value are generally amortized and accreted on a straight-line basis, which approximates the effective interest method. Discounts are recorded as additional interest expense from date of issuance or acquisition through the contractual maturity date of the related debt. Premiums are recorded as a reduction to interest expense from the date of issuance or acquisition through the contractual maturity date of the related debt. ~~Our secured debt is presented including unamortized premiums of $6.2 million~~and $10.3 million as of December 31, 2015 and 2014, respectively. Our unsecured senior notes are presented net of unamortized discounts of $7.4 million and $5.9 million, as of December 31, 2015 and 2014, respectively.

~~Exchangeable Debt Instruments~~

The initial proceeds from exchangeable debt that may be settled in cash, including partial cash settlements, are bifurcated between a liability component and an equity component associated with the embedded conversion option. The liability and equity components of exchangeable debt are separately accounted for in a manner such that the interest expense on the exchangeable debt is not recorded at the stated rate of interest but rather at an effective rate that reflects the issuer’s conventional debt borrowing rate at the date of issuance. A portion of this additional interest expense is capitalized to the development and redevelopment balances qualifying for interest capitalization each period.

As of December 31, 2015, we had no outstanding exchangeable debt instruments, as our exchangeable debt instruments reached their maturity in November 2014 (see Note 8 “Secured and Unsecured Debt of the Operating Partnership” for additional information).

Noncontrolling Interests - Common Units of the Operating Partnership in the ~~Company’s~~Company's Consolidated Financial Statements

~~Noncontrolling~~Common units of the Operating Partnership within noncontrolling interests in the Company’s consolidated financial statements represent the common limited partnership interests in the Operating Partnership not held by the Company (“noncontrolling common units”) ~~and the equity interest held by an unrelated third party in our consolidated subsidiary, Redwood LLC, which was formed during 2013 in connection with a development land acquisition.~~

. Noncontrolling common units are presented in the equity section of the Company’s consolidated balance sheets and are reported at their proportionate share of the net assets of the Operating Partnership. Noncontrolling interests with redemption provisions that permit the issuer to settle in either cash or shares of common stock must be further evaluated to determine whether equity or temporary equity classification on the balance sheet is appropriate. Since the common units contain such a provision, we evaluated the accounting guidance and determined that the common units qualify for equity presentation in the Company’s consolidated financial ~~statements (see Note 10 “Noncontrolling Interests on the Company’s Consolidated Financial Statements”).~~

statements. Net income attributable to noncontrolling common units is allocated based on their relative ownership percentage of the Operating Partnership during the reported period. The noncontrolling interest ownership percentage is determined by dividing the number of noncontrolling common units by the total number of common units outstanding. The issuance or redemption of additional shares of common stock or common units results in changes to the noncontrolling interest percentage as well as the total net assets of the Company. ~~Net income attributable to noncontrolling interest in consolidated subsidiary is allocated in accordance with the terms of the related agreement.~~ As a result, all equity transactions result in an allocation between equity and the noncontrolling interest in the Company’s consolidated balance

~~F - 19~~

~~KILROY REALTY CORPORATION AND KILROY REALTY, L.P.~~

~~NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)~~

sheets and statements of equity to account for the changes in the noncontrolling interest ownership percentage as well as the change in total net assets of the Company.

~~Preferred Partnership~~Noncontrolling Interests in Consolidated Property Partnerships

~~Preferred partnership~~Financial Statements”). Noncontrolling interests in consolidated property partnerships are not redeemable and are presented as permanent equity in the Company's consolidated balance sheets. We account for the noncontrolling interests in consolidated property partnerships using the hypothetical liquidation at book value (“HLBV”) method to attribute the earnings or losses of the ~~Operating Partnership represent~~consolidated property partnerships between the ~~issued~~controlling and ~~outstanding 4,000,000 6.875% Series G Cumulative Redeemable Preferred Units (“Series G Preferred Units”) and~~noncontrolling interests. Under the ~~4,000,000 6.375% Series H Cumulative Redeemable Preferred Units (“Series H Preferred Units”) which were outstanding~~HLBV method, the amounts reported as ~~of December 31, 2015 and 2014.~~

~~The Series G and Series H Preferred Units are presented~~noncontrolling interests in consolidated property partnerships in the ~~permanent equity section of the Operating Partnership’s~~ consolidated balance sheets ~~given that~~represent the ~~Series G and Series H Preferred Units may only be redeemed~~amounts the noncontrolling interests would hypothetically

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

receive at ~~our option (see Note 12 “Preferred and Common Units~~each balance sheet reporting date under the liquidation provisions of the ~~Operating Partnership”). The Company is~~governing agreements assuming the ~~holder of both the Series G and Series H Preferred Units and for each Series G and Series H Preferred Unit the Company has an equivalent number of shares~~net assets of the ~~Company’s 6.875% Series G Cumulative Redeemable Preferred Stock~~consolidated property partnerships were liquidated at recorded amounts and ~~shares~~distributed between the controlling and noncontrolling interests in accordance with the governing documents. The net income attributable to noncontrolling interests in consolidated property partnerships in the consolidated statements of operations is associated with the ~~Company’s 6.375% Series H Cumulative Redeemable Preferred Stock publicly issued and outstanding.~~increase or decrease in the noncontrolling interest holders’ contractual claims on the respective entities’ balance sheets assuming a hypothetical liquidation at the end of that reporting period when compared with their claims on the respective entities’ balance sheets assuming a hypothetical liquidation at the beginning of that reporting period, after removing any contributions or distributions.

Common Partnership Interests on the Operating Partnership’s Consolidated Balance Sheets

The common units held by the Company and the noncontrolling common units held by the common limited partners are both presented in the permanent equity section of the Operating Partnership’s consolidated balance sheets in partners’ capital. The redemption rights of the noncontrolling common units permit us to settle the redemption obligation in either cash or shares of the Company’s common stock at our option (see Note 1011 “Noncontrolling Interests on the Company’s Consolidated Financial Statements” for additional information).

Noncontrolling Interests on the Operating Partnership’s Consolidated ~~Balance Sheets~~Financial Statements

Noncontrolling interests ofin the Operating ~~Partnership represent~~Partnership’s consolidated financial statements include the noncontrolling interest in property partnerships (see Note 12 “Noncontrolling Interests on the Operating Partnership’s Consolidated Financial Statements”) and the Company’s 1.0% general partnership interest in the Finance ~~Partnership and the equity interest in Redwood LLC held by an unrelated third party.~~Partnership. The 1.0% general partnership interest in the Finance Partnership noncontrolling interest is presented in the permanent equity section of the Operating Partnership’s consolidated balance sheets given that these interests are not convertible or redeemable into any other ownership interest of the Company or the Operating Partnership.

Equity Offerings

Underwriting commissions and offering costs incurred in connection with common equity offerings and our at-the-market stock offering program (see Note 1113 “Stockholders’ Equity of the Company”) are reflected as a reduction of additional paid-in capital. Issuance costs incurred in connection with preferred equity offerings are reflected as a reduction of the carrying value of the preferred equity.

~~The Company records preferred stock issuance costs as a noncash preferred equity distribution at the time we notify the holders of preferred stock or units~~Sales of our ~~intent~~common stock under forward equity sale agreements (such as those under the forward equity offering executed in August 2018 and discussed at Note 13) meet the derivatives and hedging guidance scope exception to ~~redeem such shares~~be accounted for as equity instruments based on the following assessment: (i) none of the agreements’ exercise contingencies were based on observable markets or ~~units.~~indices besides those related to the market for our own stock price and operations; and (ii) none of the settlement provisions precluded the agreements from being indexed to our own stock.

The net proceeds from any equity offering of the Company are generally contributed to the Operating Partnership in exchange for a number of common ~~or preferred~~ units equivalent to the number of shares of common ~~or preferred~~ stock issued and are reflected in the Operating Partnership’s consolidated financial statements as an increase in partners’ capital.

~~F - 20~~

~~KILROY REALTY CORPORATION AND KILROY REALTY, L.P.~~

~~NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)~~

Share-based Incentive Compensation Accounting

Compensation cost for all share-based awards, including options, requires measurement at estimated fair value on the grant date. Compensation cost is recognized on a straight-line basis over the service vesting period, which represents the requisite service ~~period, on a straight-line basis.~~period. The grant date fair value of market measure-based share-based compensation plans are calculated using a Monte Carlo simulation pricing model. The grant date fair value of stock option grants is calculated using the Black-Scholes valuation model. Equity awards settled in cash are valued at the fair value of our common stock on the period end date through the settlement date. Equity awards settled in cash are remeasured at each reporting period and are recognized as a liability in the consolidated balance sheet during the vesting period until settlement. Forfeitures of all share-based awards are recognized when they occur.

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

For share-based awards in which the performance period precedes the grant date, we recognize compensation cost over the requisite service period, which includes both the performance and service vesting periods, using the accelerated attribution expense method. The requisite service period begins on the date the Executive Compensation Committee authorizes the award and adopts any relevant performance measures.

For ~~programs~~share-based awards with performance-based measures, the total estimated compensation cost is based on our most recent estimate of the probable achievement of the pre-established specific corporate performance measures. These estimates are based on actual results and our latest internal forecasts for each performance measure. For ~~programs~~share-based awards with market measures, the total estimated compensation cost is based on the fair value of the award at the grant date. For share-based awards with performance-based measures and market measures, the total estimated compensation cost is based on the fair value per share at the grant date multiplied by our most recent estimate of the number of shares to be earned based on actual results and the probable achievement of the pre-established corporate performance measures based on our latest internal forecasts.

In accordance with the provisions of our share-based incentive compensation ~~plans,~~plan, we accept the return of shares of Company common stock, at the current quoted market price, from employees to satisfy minimum statutory tax-withholding requirements related to shares that vested during the period.

For ~~share based~~share-based awards granted by the Company, the Operating Partnership issues a number of common units equal to the number of shares of common stock ultimately granted by the Company in respect of such awards.

Basic and Diluted Net Income Available to Common Stockholders per Share

Basic net income available to common stockholders per share is computed by dividing net income available to common stockholders, after preferred distributions and the allocation of income to participating securities, by the weighted-average number of shares of common stock outstanding for the period. Diluted net income available to common stockholders per share is computed by dividing net income available for common stockholders, after preferred distributions and the allocation of income to participating securities, by the sum of the weighted-average number of shares of common stock outstanding for the period plus the assumed exercise of all dilutive securities. The impact of the outstanding common units is considered in the calculation of diluted net income available to common stockholders per share. The common units are not reflected in the diluted net income available to common stockholders per share calculation because the exchange of common units into common stock is on a one for one basis, and the common units are allocated net income on a per share basis equal to the common stock (see Note 2021 “Net Income Available to Common Stockholders Per Share of the Company”). Accordingly, any exchange would not have any effect on diluted net income (loss) available to common stockholders per share.

Nonvested share-based payment awards (including nonvested restricted stock units (“RSUs”), vested market-measure RSUs and vested dividend equivalents issued to holders of RSUs) containing nonforfeitable rights to dividends or dividend equivalents are accounted for as participating securities and included in the computation of basic and diluted net income available to common stockholders per share pursuant to the two-class method. The dilutive effect of shares issuable under executed forward equity sale agreements and stock options are reflected in the weighted average diluted outstanding shares calculation by application of the treasury stock method. The dilutive effect of the outstanding nonvested shares of common stock (“nonvested shares”) and RSUs that have not yet been granted but are contingently issuable under the share-based compensation programs is reflected in the weighted average diluted shares calculation by application of the treasury stock method at the beginning of the quarterly period in which all necessary conditions have been satisfied. During the periods exchangeable debt instruments were outstanding prior to their maturity in November 2014, the dilutive effect of the exchangeable debt instruments was reflected in the weighted average diluted outstanding shares calculation when the average quoted trading price of the Company’s common stock on the NYSE for the periods exchangeable was above the exchangeable debt exchange prices.

~~F - 21~~

~~KILROY REALTY CORPORATION AND KILROY REALTY, L.P.~~

~~NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)~~

Basic and Diluted Net Income Available to Common Unitholders per Unit

Basic net income available to common unitholders per unit is computed by dividing net income available to common unitholders, after preferred distributions and the allocation of income to participating securities, by the weighted-average number of vested common units outstanding for the period. Diluted net income available to common unitholders per unit is computed by dividing net income available to common unitholders, after preferred distributions and the allocation of income to participating securities, by the sum of the weighted-average number of common units outstanding for the period plus the assumed exercise of all dilutive securities.

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

The dilutive effect of stock options, outstanding nonvested shares, RSUs, ~~and~~ awards containing nonforfeitable rights to dividend equivalents and shares issuable under executed forward equity sale agreements are reflected in diluted net income available to common unitholders per unit in the same manner as noted above for net income available to common stockholders per share. During the periods exchangeable debt instruments were outstanding prior to their maturity in November 2014, the dilutive effect of the exchangeable debt instruments was reflected in the same manner as noted above for net income available to common stockholders per share.

Fair Value Measurements

The fair ~~value~~values of our financial assets and liabilities are disclosed in Note ~~17,~~19, “Fair Value Measurements and Disclosures,” to our consolidated financial statements. The only financial assets recorded at fair value on a recurring basis in our consolidated financial statements are our marketable securities. We elected not to apply the fair value option for any of our eligible financial instruments or other items.

We determine the estimated fair value of financial assets and liabilities utilizing a hierarchy of valuation techniques based on whether the inputs to a fair value measurement are considered to be observable or unobservable in a marketplace. Observable inputs reflect market data obtained from independent sources, while unobservable inputs reflect our market assumptions. This hierarchy requires the use of observable market data when available. The following is the fair value hierarchy:

Level 1 – quoted prices for identical instruments in active markets;

Level 2 – quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that are not active and model-derived valuations in which significant inputs and significant value drivers are observable in active markets; and

Level 3 – fair value measurements derived from valuation techniques in which one or more significant inputs or significant value drivers are unobservable.

We determine the fair value for the marketable securities using quoted prices in active markets for identical assets. Our other financial instruments, which are only disclosed at fair value, are comprised of secured debt, unsecured senior notes, unsecured line of credit and unsecured term loan facility.

We generally determine the fair value of our secured debt, unsecured debt, and unsecured line of credit by performing discounted cash flow analyses using an appropriate market discount rate. We calculate the market rate by obtaining period-end treasury rates for maturities that correspond to the maturities of our fixed-rate debt and then adding an appropriate credit spread based on information obtained from third-party financial institutions. These credit spreads take into account factors, including but not limited to, our credit profile, the tenure of the debt, amortization period, whether the debt is secured or unsecured, and the loan-to-value ratio of the debt to the collateral. These calculations are significantly affected by the assumptions used, including the discount rate, credit spreads and estimates of future cash flow. We calculate the market rate of our unsecured line of credit, unsecured term loan facility, and unsecured term loan by obtaining the period-end London Interbank Offered Rate (“LIBOR”) and then adding an appropriate credit spread based on our credit ratings, and the amended terms of our unsecured line of credit, unsecured term loan facility, and unsecured term loan agreement. We determine the fair value of each of our publicly traded unsecured senior notes based on their quoted trading price at the end of the reporting period, if such prices are available.

~~F - 22~~

~~KILROY REALTY CORPORATION AND KILROY REALTY, L.P.~~

~~NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)~~

Carrying amounts of our cash and cash equivalents, restricted cash and accounts payable approximate fair value due to their short-term maturities.

~~Income Taxes~~Operating Properties

~~We have elected~~Operating properties are generally carried at historical cost less accumulated depreciation. Properties held for sale are reported at the lower of the carrying value or the fair value less estimated cost to sell. The cost of operating properties includes the purchase price or development costs of the properties. Costs incurred for the renovation and betterment of the operating properties are capitalized to our investment in that property. Maintenance and repairs are charged to expense as incurred.

When evaluating properties to be ~~taxed as~~held and used for potential impairment, we first evaluate whether there are any indicators of impairment for any of our properties. If any impairment indicators are present for a ~~REIT under Sections 856 through 860~~specific property, we then evaluate the regional market conditions that could reasonably affect the property. If there are negative changes and trends in that regional market, we then perform an undiscounted cash flow analysis and compare the net carrying amount of the ~~Code. To qualify as a REIT, we must distribute annually at least~~ ~~90%~~ ~~of our adjusted taxable income, as defined in~~property to the Code, to our stockholders and satisfy certain other organizational and operating requirements. For distributions with respect to taxable years ended on or before December 31, 2011, Internal Revenue Service (“IRS”) guidance allows REITs to satisfy up to ~~90%~~ ~~of this requirement through~~property’s estimated undiscounted future cash flow over the ~~distribution of shares of common stock if certain conditions are met. We generally will not be subject to federal income taxes if we distribute~~ ~~100%~~ ~~of our taxable income for each year to our stockholders.~~anticipated holding period. If we fail to qualify as a REIT in any taxable year, we will be subject to federal income taxes (including any applicable alternative minimum tax) on our taxable income at regular corporate rates and we may not be able to qualify as a REIT for four subsequent taxable years. Even if we qualify for taxation as a REIT, we may be subject to certain state and local taxes on our income and property and to federal income taxes and excise taxes on our undistributed taxable income. We believe that we have met allthe estimated undiscounted future cash flow is less than the net carrying amount of the ~~REIT distribution and technical requirements for the years ended December 31, 2015,~~ ~~2014~~ ~~and~~ ~~2013, and~~property, we were not subject to any federal income taxes (see Note 24 “Tax Treatment of Distributions” for additional information). We intend to continue to adhere to these requirements and maintain the Company’s REIT status. Accordingly, no provision for income taxes has been made in the accompanying financial statements.then perform an

In addition, any taxable income from our taxable REIT subsidiary, which was formed in 2002, is subject to federal, state, and local income taxes. For the years ended December 31, 2015, 2014 and 2013 the taxable REIT subsidiary had ~~de minimis~~ ~~taxable income.~~

~~Uncertain Tax Positions~~

~~We include favorable tax positions in the calculation of tax liabilities if it is more likely than not that our adopted tax position will prevail if challenged by tax authorities.~~

We evaluated the potential impact of identified uncertain tax positions for all tax years still subject to audit under state and federal income tax law and concluded that we did not have any unrecognized tax benefits or any additional tax liabilities as of December 31, 2015 or ~~2014. As of December 31, 2015, the years still subject to audit are2011 through 2014 under the California state income tax law and 2012 through 2014 under the federal income tax law.~~

~~Use of Estimates~~

The preparation of financial statements in conformity with GAAP requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reported periods. Actual results could differ from those estimates.

~~Segment~~

~~We currently operate in one operating segment, our office properties segment.~~

~~Concentration of Credit Risk~~

All of our properties and development and redevelopment projects are owned and all of our business is currently conducted in the state of California with the exception of the ownership and operation of twelve office properties located in the state of Washington. The ability of tenants to honor the terms of their leases is dependent upon the economic, regulatory, and social factors affecting the communities in which our tenants operate.

~~F - 23~~

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

Asimpairment loss calculation to determine if the fair value of ~~December 31, 2015, our 15 largest tenants represented approximately 36.9%~~the property is less than the net carrying value of ~~total annualized base rental revenues.~~the property. Our impairment loss calculation compares the net carrying amount of the property to the property’s estimated fair value, which may be based on estimated discounted future cash flow calculations or third-party valuations or appraisals. We would recognize an impairment loss if the asset’s net carrying amount exceeds the asset’s estimated fair value. If we were to recognize an impairment loss, the estimated fair value of the asset (less costs to sell for assets held for sale) would become its new cost basis. For a depreciable long-lived asset, the new cost basis would be depreciated (amortized) over the remaining useful life of that asset.

We have deposited cash with financial institutions that is insured by the Federal Deposit Insurance Corporation (“FDIC”) up to $250,000 per institution. As of December 31, 2015 and 2014, we had cash accounts in excess of FDIC insured limits.Cost Capitalization

~~New Accounting Pronouncements~~All costs clearly associated with the development, redevelopment and construction of a property are capitalized as project costs, including internal compensation costs. In addition, the following costs are capitalized as project costs during periods in which activities necessary to prepare development and redevelopment properties for their intended use are in progress: pre-construction costs essential to the development of the property, interest, real estate taxes and insurance.

~~On January 5, 2016,~~For office and retail development and redevelopment properties that are pre-leased, we cease capitalization when revenue recognition commences, which is upon substantial completion of tenant improvements deemed to be the ~~FASB issued ASU No. 2016-01 to amend~~Company’s asset for accounting purposes.

For office and retail development and redevelopment properties that are not pre-leased, we may not immediately build out the accounting guidance on the classification and measurement of financial instruments. The standard requires that all investments in equity securities, including other ownership interests, are carried at fair value through net income. This requirement does not apply to investments that qualify for equity method accounting or to those that result in consolidationtenant improvements. Therefore, we cease capitalization when revenue recognition commences upon substantial completion of the ~~investee~~tenant improvements deemed to be the Company's asset for accounting purposes, but in any event, no later than one year after the cessation of major construction activities. We also cease capitalization on a development or redevelopment property when activities necessary to prepare the property for ~~which the entity has elected the predictability exception to fair value measurement. Entities that elect the predictability exception would address the equity investment for impairment~~its intended use have been suspended.

For office and ~~no longer have to assess whether an impairment of such an investment is other than temporary. Additionally, the standard requires that~~retail development or redevelopment properties with multiple tenants and staged leasing, we cease capitalization and begin depreciation on the portion of the ~~total fair value change caused by a change in instrument-specific credit risk for financial liabilities~~development or redevelopment property for which ~~the fair value option~~revenue recognition has ~~been elected would be recognized in other comprehensive income. Any accumulated amount remaining in other comprehensive income is reclassified to earnings~~commenced.

For residential development properties, we cease capitalization when the ~~liability~~property is ~~extinguished. The Company is currently assessing the impact of the guidance on our consolidated financial statements~~substantially complete and ~~notes to our consolidated financial statements.~~

~~On August 12, 2015, the FASB issued ASU No. 2015-14 to defer the effective date of ASU No. 2014-09, which outlines a single comprehensive model~~available for entities to use in accounting for revenues arising from contracts with customers and notes that lease contracts with customers are a scope exception. Public business entities may elect to adopt the amendments as of the original effective date; however, adoption is required for annual reporting periods beginning after December 15, 2017. The Company is currently assessing the impact of the guidance on our consolidated financial statements and notes to our consolidated financial statements.occupancy.

~~On April 7, 2015,~~Once major base building construction activities have ceased and the FASB issued ASU No. 2015-03 (“ASU 2015-03”) to amend the accounting guidance for the presentation of debt issuance costs. The standard requires that debt issuance costs related to a recognized debt liability be presenteddevelopment or redevelopment property is placed in the balance sheet as a direct deduction from the carrying amount of that debt liability, consistent with debt discounts. On August 18, 2015, the FASB also issued ASU No. 2015-15 (“ASU 2015-15”) to address the presentation of debt issuance costs specifically related to line-of-credit arrangements. The standard clarifies that an entity may defer and present debt issuance costs as an asset and amortizeservice, the costs ~~ratably over the term of the line-of-credit arrangement, regardless of whether there~~capitalized to construction in progress are ~~an outstanding borrowings on the line-of credit arrangement. ASU 2015-03~~transferred to land and ~~ASU 2015-15 are effective for public business entities for fiscal years beginning after December 15, 2015~~improvements, buildings and ~~retrospective application is required. Early adoption of the guidance is permitted. The Company adopted the guidance effective January 1, 2016~~improvements, and ~~the guidance will not have any impact on our consolidated statements of operations, equity/capital, or cash flows.~~

In February 2015, the FASB issued ASU No. 2015-02 (“ASU 2015-02”), which affects reporting entities that are required to evaluate whether they should consolidate certain legal entities. Specifically, the amendments: (i) modify the evaluation of whether limited partnerships and similar legal entities are VIEs or voting interest entities, (ii) eliminate the presumption that a general partner should consolidate a limited partnership, (iii) affect the consolidated analysis of reporting entities that are involved with VIEs, and (iv) provide a scope exception for certain entities. ASU 2015-02 is effective for interim and annual reporting periods beginning after December 15, 2015. The Company adopted the guidance effective January 1, 2016 and the guidance will not have any impactdeferred leasing costs on our consolidated balance sheets as the historical cost of the property.

Depreciation and Amortization of Buildings and Improvements

The costs of buildings and improvements and tenant improvements are depreciated using the straight-line method of accounting over the estimated useful lives set forth in the table below. Depreciation expense for buildings and improvements for the three years ended December 31, 2018, 2017, and 2016 was $198.6 million, $190.5 million, and $172.0 million, respectively.



Asset Description		Depreciable Lives
Buildings and improvements		25 – 40 years
Tenant improvements		1 – 20 years ⁽¹⁾

________________________


(1)	Tenant improvements are amortized over the shorter of the lease term or the estimated useful life.

Real Estate Assets Held for Sale, Dispositions and Discontinued Operations

~~F - 24~~

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)


3.	~~Acquisitions~~

~~Development Project Acquisitions~~and amortization expense. Real estate assets held for sale are reported at the lower of their carrying value or their estimated fair value less the estimated costs to sell. As of December 31, 2018 and 2017, we did not have any properties classified as held for sale.

Property disposals representing a strategic shift that have (or will have) a major effect on the Company’s operations and financial results, such as a major line of business, a major geographical area or a major equity investment, are required to be presented as discontinued operations. If we were to determine that a property disposition represents a strategic shift, the revenues, expenses and net gain (loss) on dispositions of the property would be recorded in discontinued operations for all periods presented through the date of the applicable disposition. The operations of the eleven, eleven and six properties sold during the years ended December 31, 2018, December 31, 2017 and December 31, 2016, respectively, are presented in continuing operations as they did not represent a strategic shift in the Company’s operations and financial results.

Revenue Recognition

Tenant Reimbursements

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

Other Property Income

Other property income primarily includes amounts recorded in connection with lease terminations, tenant bankruptcy settlement payments, broken deal income and property damage settlement related payments. Lease termination fees are amortized over the remaining lease term, if applicable. If there is no remaining lease term, they are recognized when received and realized. Other property income also includes miscellaneous income from tenants, such as fees related to the restoration of leased premises to their original condition and fees for late rental payments.

Allowances for Uncollectible Tenant and Deferred Rent Receivables

We carry our current and deferred rent receivables net of allowances for uncollectible amounts. Our determination of the adequacy of these allowances is based primarily upon evaluations of individual receivables, current economic conditions, and other relevant factors. The allowances are increased or decreased through the provision for bad debts on our consolidated statements of operations. We also evaluate allowances for all other receivables which includes note receivables included in prepaid expenses and other assets on our consolidated balances sheets.

Cash and Cash Equivalents

We consider all highly-liquid investments with original maturities of three months or less to be cash equivalents.

Restricted Cash

Restricted cash consists of cash proceeds from dispositions that are temporarily held at qualified intermediaries for purposes of facilitating potential Section 1031 Exchanges and cash held in escrow related to acquisition and disposition holdbacks. Restricted cash also includes cash held as collateral to provide credit enhancement for the Operating Partnership’s mortgage debt, including cash reserves for capital expenditures, tenant improvements and property taxes. As of December 31, 2018 we had $113.1 million of restricted cash held at qualified intermediaries for the purpose of facilitating Section 1031 Exchanges. In January 2019, the Section 1031 Exchange was completed and the cash proceeds were released from the qualified intermediary. We did not have any restricted cash held at qualified intermediaries for the purpose of facilitating Section 1031 Exchanges at December 31, 2017.

Marketable Securities / Deferred Compensation Plan

Marketable securities reported in our consolidated balance sheets represent the assets held in connection with the Kilroy Realty Corporation 2007 Deferred Compensation Plan (the “Deferred Compensation Plan”) (see Note 16 “Employee Benefit Plans” for additional information). The Deferred Compensation Plan assets are held in a limited rabbi trust and invested in various mutual and money market funds. As a result, the marketable securities are treated as trading securities for financial reporting purposes and are adjusted to fair value at the end of each accounting period, with the corresponding gains and losses recorded in interest income and other net investment gains (losses).

Deferred Leasing Costs

Costs incurred in connection with successful property leasing are capitalized as deferred leasing costs and classified as investing activities in the statement of cash flows. Deferred leasing costs consist primarily of leasing commissions and also include certain internal payroll costs and lease incentives, which are amortized using the straight-line method of accounting over the lives of the leases which generally range from one to 20 years. We reevaluate the remaining useful lives of leasing costs as the creditworthiness of our tenants and economic and market conditions change. If we

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

determine that the estimated remaining life of a lease has changed, we adjust the amortization period accordingly. Fully amortized deferred leasing costs are written off each quarter.

~~During the years ended~~ As discussed below under “Accounting Standards Issued But Not Yet Effective at December 31, ~~2015~~2018,” upon the adoption of FASB ASU No. 2016-02 “Leases (Topic 842),” most deferred leasing costs (with the exception of leasing commissions paid to external third party brokers) will no longer meet the criteria for capitalization. For leases commenced prior to December 31, 2018, these costs will continue to be amortized over the remaining life of the associated lease. For leases executed prior to December 31, 2018 that have not yet commenced as of December 31, 2018, such costs will be charged to distributions in excess of earnings as of January 1, 2019.

Deferred Financing Costs

Financing costs related to the origination or assumption of long-term debt are deferred and ~~2014,~~generally amortized using the straight-line method of accounting, which approximates the effective interest method, over the contractual terms of the applicable financings. Fully amortized deferred financing costs are written off when the corresponding financing is repaid.

Debt Discounts and Premiums

Noncontrolling Interests - Common Units of the Operating Partnership in the Company's Consolidated Financial Statements

Common units of the Operating Partnership within noncontrolling interests in the Company’s consolidated financial statements represent the common limited partnership interests in the Operating Partnership not held by the Company (“noncontrolling common units”). Noncontrolling common units are presented in the equity section of the Company’s consolidated balance sheets and are reported at their proportionate share of the net assets of the Operating Partnership. Noncontrolling interests with redemption provisions that permit the issuer to settle in either cash or shares of common stock must be further evaluated to determine whether equity or temporary equity classification on the balance sheet is appropriate. Since the common units contain such a provision, we ~~acquired~~evaluated the ~~following undeveloped land sites listed below from~~accounting guidance and determined that the common units qualify for equity presentation in the Company’s consolidated financial statements. Net income attributable to noncontrolling common units is allocated based on their relative ownership percentage of the Operating Partnership during the reported period. The noncontrolling interest ownership percentage is determined by dividing the number of noncontrolling common units by the total number of common units outstanding. The issuance or redemption of additional shares of common stock or common units results in changes to the noncontrolling interest percentage as well as the total net assets of the Company. As a result, all equity transactions result in an allocation between equity and the noncontrolling interest in the Company’s consolidated balance sheets and statements of equity to account for the changes in the noncontrolling interest ownership percentage as well as the change in total net assets of the Company.

Noncontrolling Interests in Consolidated Property Partnerships

Noncontrolling interests in consolidated property partnerships represent the equity interests held by unrelated third ~~parties.~~parties in our three consolidated property partnerships (see Note 11 “Noncontrolling Interests on the Company’s Consolidated Financial Statements” and see Note 12 “Noncontrolling Interests on the Operating Partnership’s Consolidated Financial Statements”). Noncontrolling interests in consolidated property partnerships are not redeemable and are presented as permanent equity in the Company's consolidated balance sheets. We account for the noncontrolling interests in consolidated property partnerships using the hypothetical liquidation at book value (“HLBV”) method to attribute the earnings or losses of the consolidated property partnerships between the controlling and noncontrolling interests. Under the HLBV method, the amounts reported as noncontrolling interests in consolidated property partnerships in the consolidated balance sheets represent the amounts the noncontrolling interests would hypothetically

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

receive at each balance sheet reporting date under the liquidation provisions of the governing agreements assuming the net assets of the consolidated property partnerships were liquidated at recorded amounts and distributed between the controlling and noncontrolling interests in accordance with the governing documents. The ~~acquisitions were funded~~net income attributable to noncontrolling interests in consolidated property partnerships in the consolidated statements of operations is associated with ~~proceeds from~~the increase or decrease in the noncontrolling interest holders’ contractual claims on the respective entities’ balance sheets assuming a hypothetical liquidation at the end of that reporting period when compared with their claims on the respective entities’ balance sheets assuming a hypothetical liquidation at the beginning of that reporting period, after removing any contributions or distributions.

Common Partnership Interests on the Operating Partnership’s Consolidated Balance Sheets

The common units held by the Company and the noncontrolling common units held by the common limited partners are both presented in the permanent equity section of the Operating Partnership’s consolidated balance sheets in partners’ capital. The redemption rights of the noncontrolling common units permit us to settle the redemption obligation in either cash or shares of the Company’s common stock at our option (see Note 11 “Noncontrolling Interests on the Company’s Consolidated Financial Statements” for additional information).

Noncontrolling Interests on the Operating Partnership’s Consolidated Financial Statements

Noncontrolling interests in the Operating Partnership’s consolidated financial statements include the noncontrolling interest in property partnerships (see Note 12 “Noncontrolling Interests on the Operating Partnership’s Consolidated Financial Statements”) and the Company’s 1.0% general partnership interest in the Finance Partnership. The 1.0% general partnership interest in the Finance Partnership noncontrolling interest is presented in the permanent equity section of the Operating Partnership’s consolidated balance sheets given that these interests are not convertible or redeemable into any other ownership interest of the Company or the Operating Partnership.

Equity Offerings

Sales of our common stock under forward equity sale agreements (such as those under the forward equity offering executed in August 2018 and discussed at Note 13) meet the derivatives and hedging guidance scope exception to be accounted for ~~additional information)~~as equity instruments based on the following assessment: (i) none of the agreements’ exercise contingencies were based on observable markets or indices besides those related to the market for our own stock price and operations; and (ii) none of the settlement provisions precluded the agreements from being indexed to our own stock.

The net proceeds from any equity offering of the Company are generally contributed to the Operating Partnership in exchange for a number of common units equivalent to the number of shares of common stock issued and are reflected in the Operating Partnership’s consolidated financial statements as an increase in partners’ capital.

Share-based Incentive Compensation Accounting

Compensation cost for all share-based awards, including options, requires measurement at estimated fair value on the grant date. Compensation cost is recognized on a straight-line basis over the service vesting period, which represents the requisite service period. The grant date fair value of market measure-based share-based compensation plans are calculated using a Monte Carlo simulation pricing model. The grant date fair value of stock option grants is calculated using the Black-Scholes valuation model. Equity awards settled in cash are valued at the fair value of our common stock on the period end date through the settlement date. Equity awards settled in cash are remeasured at each reporting period and are recognized as a liability in the consolidated balance sheet during the vesting period until settlement. Forfeitures of all share-based awards are recognized when they occur.

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

For share-based awards with performance-based measures, the total estimated compensation cost is based on our most recent estimate of the probable achievement of the pre-established specific corporate performance measures. These estimates are based on actual results and our latest internal forecasts for each performance measure. For share-based awards with market measures, the total estimated compensation cost is based on the fair value of the award at the grant date. For share-based awards with performance-based measures and market measures, the total estimated compensation cost is based on the fair value per share at the grant date multiplied by our most recent estimate of the number of shares to be earned based on actual results and the probable achievement of the pre-established corporate performance measures based on our latest internal forecasts.

In accordance with the provisions of our share-based incentive compensation plan, we accept the return of shares of Company common stock, at the current quoted market price, from employees to satisfy minimum statutory tax-withholding requirements related to shares that vested during the period.

For share-based awards granted by the Company, the Operating Partnership issues a number of common units equal to the number of shares of common stock ultimately granted by the Company in respect of such awards.

Basic and Diluted Net Income Available to Common Stockholders per Share

Basic net income available to common stockholders per share is computed by dividing net income available to common stockholders, after preferred distributions and the allocation of income to participating securities, by the weighted-average number of shares of common stock outstanding for the period. Diluted net income available to common stockholders per share is computed by dividing net income available for common stockholders, after preferred distributions and the allocation of income to participating securities, by the sum of the weighted-average number of shares of common stock outstanding for the period plus the assumed exercise of all dilutive securities. The impact of the outstanding common units is considered in the calculation of diluted net income available to common stockholders per share. The common units are not reflected in the diluted net income available to common stockholders per share calculation because the exchange of common units into common stock is on a one for one basis, and the common units are allocated net income on a per share basis equal to the common stock (see Note 21 “Net Income Available to Common Stockholders Per Share of the Company”). Accordingly, any exchange would not have any effect on diluted net income (loss) available to common stockholders per share.

Nonvested share-based payment awards (including nonvested restricted stock units (“RSUs”), ~~borrowings~~vested market-measure RSUs and vested dividend equivalents issued to holders of RSUs) containing nonforfeitable rights to dividends or dividend equivalents are accounted for as participating securities and included in the computation of basic and diluted net income available to common stockholders per share pursuant to the two-class method. The dilutive effect of shares issuable under executed forward equity sale agreements and stock options are reflected in the weighted average diluted outstanding shares calculation by application of the treasury stock method. The dilutive effect of the outstanding nonvested shares of common stock (“nonvested shares”) and RSUs that have not yet been granted but are contingently issuable under the share-based compensation programs is reflected in the weighted average diluted shares calculation by application of the treasury stock method at the beginning of the quarterly period in which all necessary conditions have been satisfied.

Basic and Diluted Net Income Available to Common Unitholders per Unit

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

The dilutive effect of stock options, outstanding nonvested shares, RSUs, awards containing nonforfeitable rights to dividend equivalents and shares issuable under executed forward equity sale agreements are reflected in diluted net income available to common unitholders per unit in the same manner as noted above for net income available to common stockholders per share.

Fair Value Measurements

The fair values of our financial assets and liabilities are disclosed in Note 19, “Fair Value Measurements and Disclosures,” to our consolidated financial statements. The only financial assets recorded at fair value on a recurring basis in our consolidated financial statements are our marketable securities. We elected not to apply the fair value option for any of our eligible financial instruments or other items.

Level 1 – quoted prices for identical instruments in active markets;

Level 3 – fair value measurements derived from valuation techniques in which one or more significant inputs or significant value drivers are unobservable.

We generally determine the fair value of our secured debt, unsecured debt, and unsecured line of credit by performing discounted cash flow analyses using an appropriate market discount rate. We calculate the market rate by obtaining period-end treasury rates for maturities that correspond to the maturities of our fixed-rate debt and then adding an appropriate credit spread based on information obtained from third-party financial institutions. These credit spreads take into account factors, including but not limited to, our credit profile, the tenure of the ~~Operating Partnership” for additional information),~~debt, amortization period, whether the debt is secured or unsecured, and ~~disposition proceeds (see Note 4 “Dispositions~~the loan-to-value ratio of the debt to the collateral. These calculations are significantly affected by the assumptions used, including the discount rate, credit spreads and ~~Real Estate Assets Held for Sale” for additional information).~~estimates of future cash flow. We calculate the market rate of our unsecured line of credit, unsecured term loan facility, and unsecured term loan by obtaining the period-end London Interbank Offered Rate (“LIBOR”) and then adding an appropriate credit spread based on our credit ratings, and the amended terms of our unsecured line of credit, unsecured term loan facility, and unsecured term loan agreement. We determine the fair value of each of our publicly traded unsecured senior notes based on their quoted trading price at the end of the reporting period, if such prices are available.

Carrying amounts of our cash and cash equivalents, restricted cash and accounts payable approximate fair value due to their short-term maturities.

Project
Date of
Acquisition
City/Submarket Type
Purchase Price ⁽¹⁾
(in millions)
2015 Acquisitions
333 Dexter ⁽²⁾
February 13, 2015 Seattle, WA Land $ 49.5
100 Hooper ⁽³⁾
July 7, 2015 San Francisco, CA Land 78.0
Total $ 127.5

2014 Acquisitions
The Exchange on 16th ⁽⁴⁾
May 23, 2014 San Francisco, CA Land $ 95.0
Flower Mart ⁽⁵⁾
October 23, 2014 San Francisco, CA Land
December 19, 2014 71.0
Total $ 166.0

~~_______________~~


~~(1)~~	~~See Note 16 “Commitments and Contingencies” for additional information on certain accrued liabilities for these acquisitions.~~


~~(2)~~	Acquisition comprised of four adjacent parcels in the South Lake Union submarket of Seattle, Washington located at 330 Dexter Avenue North, 333 Dexter Avenue North, 401 Dexter Avenue North, and 400 Aurora Avenue North. In connection with this acquisition, we also assumed $2.4 million in accrued liabilities and acquisition costs that are not included in the purchase price above.


~~(3)~~	~~In connection with this acquisition, we assumed $4.1 million in accrued liabilities and acquisition costs that are not included in the purchase price above.~~


~~(4)~~	~~In connection with this acquisition, we assumed $2.3 million in accrued liabilities that are not included in the purchase price above.~~

~~(5)~~

In the fourth quarter of 2014, the Company closed on two adjacent land sites for a total purchase price of $71.0 million and approximately $13.4 million in transaction costs and accrued liabilities, net. The acquisitions, which were completed through the execution of two merger transactions, were partially funded through the issuance of 351,476 shares of the Company’s common stock valued at approximately $21.6 million and the remainder was paid in cash.

Operating Properties

~~We did not acquire any~~Operating properties are generally carried at historical cost less accumulated depreciation. Properties held for sale are reported at the lower of the carrying value or the fair value less estimated cost to sell. The cost of operating properties ~~during~~includes the year ended December 31, 2015. During the year ended December 31, 2014, we acquired the five operating office properties, listed below, from unrelated third parties. Unless otherwise noted, we funded these acquisitions with proceeds from the Company’s public offerings of common stock and the Company's at-the-market stock offering program (see Note 11 “Stockholders’ Equitypurchase price or development costs of the ~~Company”), borrowings under~~properties. Costs incurred for the ~~unsecured line of credit (see Note 8 “Secured~~renovation and ~~Unsecured Debt~~betterment of the ~~Operating Partnership”), disposition proceeds (see Note 4 “Dispositions~~operating properties are capitalized to our investment in that property. Maintenance and ~~Real Estate Assets Held~~repairs are charged to expense as incurred.

When evaluating properties to be held and used for ~~Sale”~~potential impairment, we first evaluate whether there are any indicators of impairment for ~~additional information”),~~any of our properties. If any impairment indicators are present for a specific property, we then evaluate the ~~assumption of existing debt and/or~~regional market conditions that could reasonably affect the ~~issuance of common units~~property. If there are negative changes and trends in that regional market, we then perform an undiscounted cash flow analysis and compare the net carrying amount of the ~~Operating Partnership.~~property to the property’s estimated undiscounted future cash flow over the anticipated holding period. If the estimated undiscounted future cash flow is less than the net carrying amount of the property, we then perform an

Property Date of Acquisition Number of Buildings Rentable Square Feet (unaudited) Occupancy as of December 31, 2015 (unaudited)
Purchase Price (in millions) ⁽¹⁾
2014 Acquisitions
401 Terry Ave. N., Seattle, WA March 13, 2014 1 140,605
100.0% $ 106.1
1310, 1315, 1320-1324, 1325-1327 Chesapeake Terrace, Sunnyvale, CA ⁽²⁾
November 5, 2014 4 266,982
100.0% 100.5
Total ⁽³⁾
5 407,587
$ 206.6

~~________________________~~


~~(1)~~	~~Excludes acquisition-related costs and non-lease related accrued liabilities assumed. Includes assumed unpaid leasing commissions and tenant improvements.~~

~~F - 25~~

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

Cost Capitalization

All costs clearly associated with the development, redevelopment and construction of a property are capitalized as project costs, including internal compensation costs. In addition, the following costs are capitalized as project costs during periods in which activities necessary to prepare development and redevelopment properties for their intended use are in progress: pre-construction costs essential to the development of the property, interest, real estate taxes and insurance.

For office and retail development and redevelopment properties that are pre-leased, we cease capitalization when revenue recognition commences, which is upon substantial completion of tenant improvements deemed to be the Company’s asset for accounting purposes.

For residential development properties, we cease capitalization when the property is substantially complete and available for occupancy.

Once major base building construction activities have ceased and the development or redevelopment property is placed in service, the costs capitalized to construction in progress are transferred to land and improvements, buildings and improvements, and deferred leasing costs on our consolidated balance sheets as the historical cost of the property.

Depreciation and Amortization of Buildings and Improvements



Asset Description		Depreciable Lives
Buildings and improvements		25 – 40 years
Tenant improvements		1 – 20 years ⁽¹⁾

________________________


(1)	Tenant improvements are amortized over the shorter of the lease term or the estimated useful life.

Real Estate Assets Held for Sale, Dispositions and Discontinued Operations

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

Revenue Recognition

Tenant Reimbursements

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

Other Property Income

Allowances for Uncollectible Tenant and Deferred Rent Receivables

We carry our current and deferred rent receivables net of allowances for uncollectible amounts. Our determination of the adequacy of these allowances is based primarily upon evaluations of individual receivables, current economic conditions, and other relevant factors. The allowances are increased or decreased through the provision for bad debts on our consolidated statements of operations. We also evaluate allowances for all other receivables which includes note receivables included in prepaid expenses and other assets on our consolidated balances sheets.

Cash and Cash Equivalents

We consider all highly-liquid investments with original maturities of three months or less to be cash equivalents.

Restricted Cash

Restricted cash consists of cash proceeds from dispositions that are temporarily held at qualified intermediaries for purposes of facilitating potential Section 1031 Exchanges and cash held in escrow related to acquisition and disposition holdbacks. Restricted cash also includes cash held as collateral to provide credit enhancement for the Operating Partnership’s mortgage debt, including cash reserves for capital expenditures, tenant improvements and property taxes. As of December 31, 2018 we had $113.1 million of restricted cash held at qualified intermediaries for the purpose of facilitating Section 1031 Exchanges. In January 2019, the Section 1031 Exchange was completed and the cash proceeds were released from the qualified intermediary. We did not have any restricted cash held at qualified intermediaries for the purpose of facilitating Section 1031 Exchanges at December 31, 2017.

Marketable Securities / Deferred Compensation Plan

Marketable securities reported in our consolidated balance sheets represent the assets held in connection with the Kilroy Realty Corporation 2007 Deferred Compensation Plan (the “Deferred Compensation Plan”) (see Note 16 “Employee Benefit Plans” for additional information). The Deferred Compensation Plan assets are held in a limited rabbi trust and invested in various mutual and money market funds. As a result, the marketable securities are treated as trading securities for financial reporting purposes and are adjusted to fair value at the end of each accounting period, with the corresponding gains and losses recorded in interest income and other net investment gains (losses).

Deferred Leasing Costs

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

determine that the estimated remaining life of a lease has changed, we adjust the amortization period accordingly. Fully amortized deferred leasing costs are written off each quarter.

Deferred Financing Costs

Debt Discounts and Premiums

Noncontrolling Interests - Common Units of the Operating Partnership in the Company's Consolidated Financial Statements

Common units of the Operating Partnership within noncontrolling interests in the Company’s consolidated financial statements represent the common limited partnership interests in the Operating Partnership not held by the Company (“noncontrolling common units”). Noncontrolling common units are presented in the equity section of the Company’s consolidated balance sheets and are reported at their proportionate share of the net assets of the Operating Partnership. Noncontrolling interests with redemption provisions that permit the issuer to settle in either cash or shares of common stock must be further evaluated to determine whether equity or temporary equity classification on the balance sheet is appropriate. Since the common units contain such a provision, we evaluated the accounting guidance and determined that the common units qualify for equity presentation in the Company’s consolidated financial statements. Net income attributable to noncontrolling common units is allocated based on their relative ownership percentage of the Operating Partnership during the reported period. The noncontrolling interest ownership percentage is determined by dividing the number of noncontrolling common units by the total number of common units outstanding. The issuance or redemption of additional shares of common stock or common units results in changes to the noncontrolling interest percentage as well as the total net assets of the Company. As a result, all equity transactions result in an allocation between equity and the noncontrolling interest in the Company’s consolidated balance sheets and statements of equity to account for the changes in the noncontrolling interest ownership percentage as well as the change in total net assets of the Company.

Noncontrolling Interests in Consolidated Property Partnerships

Noncontrolling interests in consolidated property partnerships represent the equity interests held by unrelated third parties in our three consolidated property partnerships (see Note 11 “Noncontrolling Interests on the Company’s Consolidated Financial Statements” and see Note 12 “Noncontrolling Interests on the Operating Partnership’s Consolidated Financial Statements”). Noncontrolling interests in consolidated property partnerships are not redeemable and are presented as permanent equity in the Company's consolidated balance sheets. We account for the noncontrolling interests in consolidated property partnerships using the hypothetical liquidation at book value (“HLBV”) method to attribute the earnings or losses of the consolidated property partnerships between the controlling and noncontrolling interests. Under the HLBV method, the amounts reported as noncontrolling interests in consolidated property partnerships in the consolidated balance sheets represent the amounts the noncontrolling interests would hypothetically

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

receive at each balance sheet reporting date under the liquidation provisions of the governing agreements assuming the net assets of the consolidated property partnerships were liquidated at recorded amounts and distributed between the controlling and noncontrolling interests in accordance with the governing documents. The net income attributable to noncontrolling interests in consolidated property partnerships in the consolidated statements of operations is associated with the increase or decrease in the noncontrolling interest holders’ contractual claims on the respective entities’ balance sheets assuming a hypothetical liquidation at the end of that reporting period when compared with their claims on the respective entities’ balance sheets assuming a hypothetical liquidation at the beginning of that reporting period, after removing any contributions or distributions.

Common Partnership Interests on the Operating Partnership’s Consolidated Balance Sheets

The common units held by the Company and the noncontrolling common units held by the common limited partners are both presented in the permanent equity section of the Operating Partnership’s consolidated balance sheets in partners’ capital. The redemption rights of the noncontrolling common units permit us to settle the redemption obligation in either cash or shares of the Company’s common stock at our option (see Note 11 “Noncontrolling Interests on the Company’s Consolidated Financial Statements” for additional information).

Noncontrolling Interests on the Operating Partnership’s Consolidated Financial Statements

Equity Offerings

Underwriting commissions and offering costs incurred in connection with common equity offerings and our at-the-market stock offering program (see Note 13 “Stockholders’ Equity of the Company”) are reflected as a reduction of additional paid-in capital. Issuance costs incurred in connection with preferred equity offerings are reflected as a reduction of the carrying value of the preferred equity.

Sales of our common stock under forward equity sale agreements (such as those under the forward equity offering executed in August 2018 and discussed at Note 13) meet the derivatives and hedging guidance scope exception to be accounted for as equity instruments based on the following assessment: (i) none of the agreements’ exercise contingencies were based on observable markets or indices besides those related to the market for our own stock price and operations; and (ii) none of the settlement provisions precluded the agreements from being indexed to our own stock.

Share-based Incentive Compensation Accounting

Compensation cost for all share-based awards, including options, requires measurement at estimated fair value on the grant date. Compensation cost is recognized on a straight-line basis over the service vesting period, which represents the requisite service period. The grant date fair value of market measure-based share-based compensation plans are calculated using a Monte Carlo simulation pricing model. The grant date fair value of stock option grants is calculated using the Black-Scholes valuation model. Equity awards settled in cash are valued at the fair value of our common stock on the period end date through the settlement date. Equity awards settled in cash are remeasured at each reporting period and are recognized as a liability in the consolidated balance sheet during the vesting period until settlement. Forfeitures of all share-based awards are recognized when they occur.

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

Basic and Diluted Net Income Available to Common Stockholders per Share

Basic net income available to common stockholders per share is computed by dividing net income available to common stockholders, after preferred distributions and the allocation of income to participating securities, by the weighted-average number of shares of common stock outstanding for the period. Diluted net income available to common stockholders per share is computed by dividing net income available for common stockholders, after preferred distributions and the allocation of income to participating securities, by the sum of the weighted-average number of shares of common stock outstanding for the period plus the assumed exercise of all dilutive securities. The impact of the outstanding common units is considered in the calculation of diluted net income available to common stockholders per share. The common units are not reflected in the diluted net income available to common stockholders per share calculation because the exchange of common units into common stock is on a one for one basis, and the common units are allocated net income on a per share basis equal to the common stock (see Note 21 “Net Income Available to Common Stockholders Per Share of the Company”). Accordingly, any exchange would not have any effect on diluted net income (loss) available to common stockholders per share.

Basic and Diluted Net Income Available to Common Unitholders per Unit

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

Fair Value Measurements

Level 1 – quoted prices for identical instruments in active markets;

Level 3 – fair value measurements derived from valuation techniques in which one or more significant inputs or significant value drivers are unobservable.

Carrying amounts of our cash and cash equivalents, restricted cash and accounts payable approximate fair value due to their short-term maturities.

Income Taxes

We have elected to be taxed as a REIT under Sections 856 through 860 of the Code. To qualify as a REIT, we must distribute annually at least 90% of our adjusted taxable income, as defined in the Code, to our stockholders and satisfy certain other organizational and operating requirements. We generally will not be subject to federal income taxes if we distribute 100% of our taxable income for each year to our stockholders. If we fail to qualify as a REIT in any taxable year, we will be subject to federal income taxes (including any applicable alternative minimum tax) on our taxable income at regular corporate rates and we may not be able to qualify as a REIT for four subsequent taxable years. Even if we qualify for taxation as a REIT, we may be subject to certain state and local taxes on our income and property

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

and to federal income taxes and excise taxes on our undistributed taxable income. We believe that we have met all of the REIT distribution and technical requirements for the years ended December 31, 2018, 2017 and 2016, and we were not subject to any federal income taxes (see Note 25 “Tax Treatment of Distributions” for additional information). We intend to continue to adhere to these requirements and maintain the Company’s REIT status. Accordingly, no provision for income taxes has been made in the accompanying financial statements.

In addition, any taxable income from our taxable REIT subsidiaries, which were formed in 2002 and 2018, are subject to federal, state, and local income taxes. For the years ended December 31, 2018, 2017 and 2016 the taxable REIT subsidiaries had de minimis taxable income.

Uncertain Tax Positions

We include favorable tax positions in the calculation of tax liabilities if it is more likely than not that our adopted tax position will prevail if challenged by tax authorities.

We evaluated the potential impact of identified uncertain tax positions for all tax years still subject to audit under state and federal income tax law and concluded that we did not have any unrecognized tax benefits or any additional tax liabilities as of December 31, 2018 or 2017. As of December 31, 2018, the years still subject to audit are 2014 through 2018 under the California state income tax law and 2015 through 2018 under the federal income tax law.

Use of Estimates

Segments

We currently operate in one operating segment, our office properties segment.

Concentration of Credit Risk

All of our properties and development and redevelopment projects are owned and all of our business is currently conducted in the state of California with the exception of the ownership and operation of eight office properties and one development project under construction located in the state of Washington. The ability of tenants to honor the terms of their leases is dependent upon the economic, regulatory, and social factors affecting the communities in which our tenants operate.

As of December 31, 2018, our 15 largest tenants represented approximately 45.7% of total annualized base rental revenues, of which 5.9% was attributable to our largest tenant.

We have deposited cash with financial institutions that is insured by the Federal Deposit Insurance Corporation (“FDIC”) up to $250,000 per institution. As of December 31, 2018 and 2017, we had cash accounts in excess of FDIC insured limits.

Accounting Standards Issued But Not Yet Effective at December 31, 2018

Accounting Pronouncements Adopted January 1, 2019

ASU No. 2016-02 “Leases (Topic 842)”

On February 25, 2016, the FASB issued ASU No. 2016-02 “Leases (Topic 842)” (“ASU 2016-02”) to amend the accounting guidance for leases. The accounting applied by a lessor is largely unchanged under ASU 2016-02. However, the standard requires lessees to recognize lease assets and lease liabilities for leases classified as operating leases on the balance sheet. Lessees will recognize in the statement of financial position a liability to make lease payments and

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

a right-of-use asset representing its right to use the underlying asset for the lease term. For leases with a term of 12 months or less, a lessee is permitted to make an accounting policy election by class of underlying asset not to recognize lease assets and lease liabilities. If a lessee makes this election, it will recognize lease expense for such leases generally on a straight-line basis over the lease term. For leases with a term of 12 months or less where we are the lessee, we plan to make this policy election. ASU 2016-02 is effective for fiscal years beginning after December 15, 2018.

In July 2018, the FASB issued ASU No. 2018-11 which (1) simplifies transition requirements for both lessees and lessors by adding an option that permits an organization to apply the transition provisions of the new standard at its adoption date instead of at the earliest comparative period presented in its financial statements and (2) provides a practical expedient for lessors that permits lessors to make an accounting policy election to not separate nonlease components from the associated lease components, if the following two criteria are met: (1) the timing and pattern of transfer of the lease and nonlease components are the same and (2) the lease component would be classified as an operating lease if accounted for separately. For leases where we are the lessor, we plan to elect the optional transition relief and apply the practical expedients provided by ASU 2018-11. As a result, leases where we are the lessor will be accounted for in a similar method to existing standards with the underlying leased asset being reported and recognized as a real estate asset.

In December 2018, the FASB issued ASU 2018-20 which clarifies lessor treatment of sales taxes and other similar taxes collected from lessees, lessor costs paid directly by lessees and recognition of variable payments for contracts with lease and nonlease components. This will result in a gross-up of amounts recorded to tenant reimbursements and property expenses in our consolidated statements of operations related to certain services that, under existing GAAP guidance, were presented on a net basis and such change will not have an impact to net income.

ASU 2016-02 also specifies that upon adoption, lessors will no longer be able to capitalize and amortize certain leasing related costs and instead will only be permitted to capitalize and amortize incremental direct leasing costs. As a result, we have concluded that upon the adoption of the standard, we will be required to expense as incurred certain leasing costs we are currently able to capitalize and amortize as deferred leasing costs under existing guidance. This change had a material impact on the Company’s consolidated financial statements upon adoption of the standard on January 1, 2019.

The election of the package of practical expedients described above permits us to continue to account for our leases that commenced before January 1, 2019 under the existing lease accounting guidance for the remainder of their lease terms, and to apply the new lease accounting guidance to leases commencing or modified after January 1, 2019. On January 1, 2019, we recognized a cumulative adjustment to distributions in excess of earnings, as required by ASU 2016-02, to write-off lease origination costs that were capitalized in connection with leases that had not commenced before January 1, 2019. These costs were capitalized in accordance with the lease accounting standards existing prior to January 1, 2019, and would not qualify for capitalization under the new lease accounting guidance. This adjustment did not have a material impact to our consolidated financial statements.

For leases where we are the lessee, specifically for our four ground leases, the adoption of the standard will significantly change the accounting on our consolidated balance sheets since both existing ground leases and any future ground leases will be required to be recorded on the Company’s consolidated balance sheets as an obligation of the Company. Existing ground leases executed before the January 1, 2019 adoption date will continue to be accounted for as operating leases and the new guidance will not have a material impact on our recognition of ground lease expense or our results of operations. However, we will be required to recognize a right of use asset and a lease liability on our consolidated balance sheets equal to the present value of the minimum lease payments required in accordance with each ground lease. The adoption of this ASU will result in the recognition of operating lease right of use assets and related liabilities of approximately $80 million to $95 million in the aggregate as of January 1, 2019. We do not expect there will be a material impact to our consolidated statements of operations or consolidated cash flows as a result of adoption of this new guidance. In addition, we currently believe that for new ground leases entered into after the adoption date of the new standard, such leases could be required to be accounted for as financing-type leases, resulting in ground lease expense recorded using the effective interest method instead of on a straight-line basis over the term of the lease. This could have a significant impact on our results of operations if we enter into material new ground leases after the date of adoption since ground lease expense calculated using the effective interest method results in an increased amount of ground lease expense in the earlier years of a ground lease as compared to the current straight-line method.

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

Accounting Pronouncements Effective 2020 and Beyond

ASU No. 2016-13 “Financial Instruments - Credit Losses (Topic 326)”

On June 16, 2016, the FASB issued ASU No. 2016-13 (“ASU 2016-13”) to amend the accounting for credit losses for certain financial instruments. Under the new guidance, an entity recognizes its estimate of expected credit losses as an allowance, which the FASB believes will result in more timely recognition of such losses. In November 2018, the FASB released ASU No. 2018-19“Codification Improvements to Topic 326, Financial Instruments - Credit Losses.” This ASU clarifies that receivables arising from operating leases are not within the scope of Subtopic 326-20 “Financial Instruments – Credit Losses.” Instead, impairment of receivables arising from operating leases should be accounted for under Subtopic 842-30 “Leases – Lessor.” ASU 2016-13 is effective for fiscal years beginning after December 15, 2019, including interim periods within those fiscal years. Early adoption is permitted for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. The Company does not anticipate that the guidance will have an impact on the consolidated financial statements or notes to the consolidated financial statements.

ASU No. 2018-13 “Fair Value Measurement (Topic 820)”

On August 28, 2018, the FASB issued ASU No. 2018-13 (“ASU 2018-13”) to amend the disclosure requirements for fair value measurements. The amendments in ASU 2018-13 include new, modified and eliminated disclosure requirements and are the result of a broader disclosure project called FASB Concepts Statement, Conceptual Framework for Financial Reporting - Chapter 8: Notes to Financial Statements, which the Board finalized on August 28, 2018. The Board used the guidance in the Concepts Statement to improve the effectiveness of ASC 820’s disclosure requirements. ASU 2018-13 is effective for fiscal years beginning after December 15, 2019, including interim periods within those fiscal years. Early adoption is permitted for any eliminated or modified disclosures. The Company currently anticipates that the guidance will not have a significant impact on the disclosures in the notes to the consolidated financial statements.

ASU No. 2018-15 “Intangibles - Goodwill and Other - Internal-Use Software (Subtopic 350-40)”

On August 29, 2018, the FASB issued ASU No. 2018-15 (“ASU 2018-15”) to amend a customer’s accounting for implementation costs incurred in a cloud computing arrangement that is a service contract. ASU 2018-15 aligns the requirements for capitalizing implementation costs incurred in a hosting arrangement that is a service contract with the requirements for capitalizing implementation costs incurred to develop or obtain internal-use software (and hosting arrangements that include an internal-use software license). ASU 2018-15 is effective for fiscal years beginning after December 15, 2019, including interim periods within those fiscal years. Early adoption is permitted, including adoption in any interim period. ASU 2018-15 can be applied either retrospectively or prospectively to all implementation costs incurred after the date of adoption. The Company is currently evaluating the impact of ASU 2018-15 on the consolidated financial statements and notes to the consolidated financial statements.


3.	Acquisitions

Operating Property Acquisitions

During the year ended December 31, 2018, we acquired the four operating properties listed below in two transactions from unrelated third parties. We did not acquire any operating properties during the year ended December 31, 2017.



Property	Date of Acquisition	Number of Buildings	Rentable Square Feet (unaudited)	Occupancy as of December 31, 2018 (unaudited)		Purchase Price (in millions) ⁽¹⁾
2018 Acquisitions
345, 347 & 349 Oyster Point Boulevard, South San Francisco, CA	January 31, 2018	3	145,530	78.5	%	$	111.0
345 Brannan Street, San Francisco, CA ⁽²⁾	December 21, 2018	1	110,030	99.7	%	146.0
Total ⁽³⁾		4	255,560			$	257.0

________________________


(1)	Excludes acquisition-related costs.

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

(2)

~~As of~~At December 31, ~~2014, these properties, together the “Chesapeake Commons” project, were~~2018, this property was temporarily being held in a separate VIE to facilitate potential Section 1031 Exchanges. During January ~~2015,~~2019, the Company ~~closed out~~completed the Section 1031 Exchange related to this VIE. ~~(See~~See Note 2 “Basis of Presentation and Significant Accounting ~~Policies”).~~Policies.”


(3)	The results of operations for the properties acquired during ~~2014~~2018 contributed ~~$7.7~~$8.0 million and ~~$2.8~~$1.7 millionto ~~revenues~~revenue and net income, ~~from continuing operations,~~ respectively, for the year ended December 31, ~~2014.~~2018.

The related assets, liabilities and results of operations of the acquired properties are included in the consolidated financial statements as of the date of acquisition. The following table summarizes the estimated fair values of the assets ~~acquired~~ and liabilities assumed at the respective acquisition dates for our ~~2014~~2018 operating property acquisitions:


Acquisitions	Total 2014 Acquisitions ⁽¹⁾
			Total 2018 Operating Property Acquisitions ⁽¹⁾

Assets
Land and improvements	$	81,430	$	80,269
Buildings and improvements ⁽²⁾	114,876		172,059
Deferred leasing costs and acquisition-related intangible assets ⁽³⁾	17,259		13,593
Total assets acquired	213,565		$	265,921
Liabilities
Deferred revenue and acquisition-related intangible liabilities ⁽⁴⁾	6,990
Accounts payable, accrued expenses and other liabilities	2,029
Acquisition-related intangible liabilities ⁽⁴⁾			$	8,921
Total liabilities assumed	9,019		8,921
Net assets and liabilities acquired ⁽⁵⁾	$	204,546
Net assets and liabilities acquired			$	257,000

~~_______________~~________________________


(1)	The purchase price of the two acquisitions completed during the year ended December 31, ~~2014~~2018 were individually less than 5% and in aggregate less than 10% of the Company’s total assets as of December 31, ~~2014.~~2017.


(2)	Represents buildings, building improvements and tenant improvements.


(3)	Represents in-place leases (approximately ~~$12.3~~$11.8 million with a weighted average amortization period of ~~7.0~~1.3 years years) and leasing commissions (approximately ~~$4.9~~$1.8 million with a weighted average amortization period of ~~7.0~~ 6.6 yearsyears).


(4)	Represents below-market leases (approximately ~~$7.0~~$8.9 million with a weighted average amortization period of ~~6.1~~9.8 years years).

Development Project Acquisitions

On June 1, 2018, we acquired the following 39-acre development site, which is located adjacent to the three operating properties we acquired in January 2018, from an unrelated third party. The acquisition was funded with proceeds from the Company’s unsecured revolving credit facility and the Company’s at-the-market stock offering program.



Project	Date of Acquisition	City/Submarket	Type	Purchase Price (in millions) ⁽¹⁾
Kilroy Oyster Point	June 1, 2018	South San Francisco	Land	$	308.2

________________________

~~(5)~~(1)

~~Reflects~~Excludes acquisition-related costs. In connection with this acquisition, we also recorded $40.6 million in accrued liabilities and environmental remediation liabilities at the date of acquisition, which are not included in the purchase price ~~net~~above. As of December 31, 2018, the purchase price and our current estimate of assumed ~~secured debt~~liabilities are included in undeveloped land and construction in progress and the assumed liabilities are included in accounts payable, accrued expenses and other ~~lease-related obligations.~~liabilities on the Company’s consolidated balance sheets.

On October 10, 2017, the Company completed the acquisition of a 1.2 acre development site located in the Little Italy neighborhood of downtown San Diego, California in three separate transactions from separate unrelated third parties for a total purchase price of $19.4 million and the assumption of $1.4 million of accrued liabilities.

~~F - 26~~

Acquisition Costs

During the years ended December 31, 2018, 2017, and 2016, we capitalized $3.8 million, $4.6 million, and $0.5 million, respectively, of acquisition costs. During the year ended December 31, 2016, we expensed $1.9 million of acquisition costs.

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

4. Dispositions ~~and Real Estate Assets Held for Sale~~

Operating Property Dispositions

The following table summarizes the operating properties sold during the years ended December 31, ~~2015, 2014~~2018, 2017 and ~~2013:~~2016:

Location Month of Disposition Number of Buildings
Rentable
Square Feet (unaudited)

Sales Price
(in millions) ⁽¹⁾
2015 Dispositions
15050 NE 36th Street, Redmond, WA April 1 122,103
$ 51.2
San Diego Properties - Tranches 1 and 2 ⁽²⁾
April/July 9 924,291
258.0
Total 2015 Dispositions 10 1,046,394
$ 309.2

2014 Dispositions ⁽³⁾

San Diego Properties, San Diego, CA ⁽⁴⁾
January 12 1,049,035
$ 294.7
9785 & 9791 Towne Centre Drive, San Diego, CA June 2 126,000
29.5
111 Pacifica, Irvine, CA September 1 67,496
15.1
4040 Civic Center Drive, San Rafael, CA October 1 130,237
34.9
999 Town & Country Road, Orange, CA

December 1 98,551
25.3
Total 2014 Dispositions 17 1,471,319
$ 399.5

2013 Dispositions ⁽³⁾

26541 Agoura Road, Calabasas, CA June 1 90,156
$ 14.7
8101 Kaiser Boulevard, Anaheim, CA October 1 59,790
9.6
4910 Directors Place, San Diego CA �� December 1 50,360
32.6
Total 2013 Dispositions 3 200,306
$ 56.9



Location	Month of Disposition	Number of Buildings	Rentable Square Feet (unaudited)	Sales Price (in millions) ⁽¹⁾
2018 Dispositions
1310-1327 Chesapeake Terrace, Sunnyvale, CA	November	4	266,982	$	160.3
Plaza Yarrow Bay Properties⁽²⁾	November	4	279,924	134.5
23925, 23975, & 24025 Park Sorrento, Calabasas, CA	December	3	225,340	78.2
Total 2018 Dispositions		11	772,246	$	373.0

2017 Dispositions
5717 Pacific Center Boulevard, San Diego, CA	January	1	67,995	$	12.1
Sorrento Mesa and Mission Valley Properties ⁽³⁾	September	10	675,143	174.5
Total 2017 Dispositions		11	743,138	$	186.6

2016 Dispositions
Torrey Santa Fe Properties⁽⁴⁾	January	4	465,812	$	262.3
4930, 4939 & 4955 Directors Place, San Diego, CA ⁽⁵⁾	July	2	136,908	49.0
Total 2016 Dispositions		6	602,720	$	311.3

__________________


(1)	Represents gross sales price before the impact of broker commissions and closing costs.

(2)

The ~~San Diego~~Plaza Yarrow Bay Properties ~~- Tranche 1 includes~~include the following properties: ~~10770 Wateridge Circle, 6200 Greenwich~~10210, 10220 and 10230 NE Points Drive and 6220 Greenwich Drive. The San Diego Properties - Tranche 2 includes the following properties: 6260 Sequence Drive, 6290, Sequence Drive, 6310 Sequence Drive, 6340 Sequence Drive, 6350 Sequence Drive and 4921 Directors Place.& 3933 Lake Washington Boulevard NE in Kirkland, Washington.

(3)

The ~~Company adopted ASU 2014-08 effective January 1, 2015 (see Note 2 “Basis of Presentation~~Sorrento Mesa and ~~Significant Accounting Policies” for additional information). As~~Mission Valley Properties includes the following properties: 10390, 10394, 10398, 10421, 10445 and 10455 Pacific Center Court, 2355, 2365, 2375 and 2385 Northside Drive and Pacific Corporate Center - Lot 8, a result, results of operations for properties disposed of subsequent of January 1, 2015 are presented in continuing operations because they did not represent strategic shifts. Properties disposed of prior to January 1, 2015 are presented in discontinued operations.5.0 acre undeveloped land parcel.


(4)	The San Diego Properties included the following: 10020 Pacific Mesa Boulevard, 6055 Lusk Avenue, 5010 and 5005 Wateridge Vista Drive, 15435 and 15445 Innovation Drive, and 15051, 15073, 15231, 15253, 15333 and 15378 Avenue of Science. These properties were held for sale as of December 31, 2013.

~~The operations of the ten properties sold during the~~ ~~year~~ ~~ended December 31, 2015 are presented in continuing operations for the~~ ~~year~~ ~~ended December 31, 2015. The total gains on sales of the ten properties sold during the~~ ~~year~~ ~~ended December 31, 2015 was $110.0 million~~. ~~For the~~ ~~year~~ ended December 31, 2014, discontinued operations includes the income and gains on all of the properties sold in 2014. For the year ended December 31, 2013, discontinued operations includes the income and gains on all of the properties sold in 2014 and 2013 (see Note 2 “Basis of Presentation and Significant Accounting Policies” and Note 19 “Discontinued Operations” for additional information).

~~Operating Properties Held for Sale~~

~~As of December 31, 2015, the properties listed below were classified as held for sale. We did not have any properties classified as held for sale as of December 31, 2014.~~

Properties Submarket Property Type Number of Buildings Rentable Square Feet (unaudited)
Torrey Santa Fe Properties ⁽¹⁾⁽²⁾
Del Mar Office 4 465,812

~~__________________~~


~~(1)~~	The Torrey Santa Fe Properties include the following properties: 7525, ~~Torrey Santa Fe,~~ 7535, ~~Torrey Santa Fe,~~ 7545 ~~Torrey Santa Fe,~~ and 7555 Torrey Santa Fe.


~~(2)~~(5)	~~In January 2016, the Company completed the sale of these~~Includes two operating properties ~~for~~totaling 136,908 rentable square feet and a ~~total sales price of $262.3 million.~~7.0 acre undeveloped land parcel.

~~F - 27~~

~~KILROY REALTY CORPORATION AND KILROY REALTY, L.P.~~

~~NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)~~

The ~~major classes of assets and liabilities~~total gains on the sales of the operating properties ~~held for sale as of~~sold during the years ended December 31, ~~2015~~2018, 2017 and 2016 were ~~as follows:~~

Real estate assets and other assets held for sale (in thousands)
Land and improvements $ 10,534
Buildings and improvements 144,716
Undeveloped land and construction in progress 4,824
Total real estate held for sale 160,074
Accumulated depreciation and amortization (46,191 )
Total real estate held for sale, net 113,883
Deferred rent receivables, net 2,500
Deferred leasing costs and acquisition-related intangible assets, net 1,115
Prepaid expenses and other assets, net 168
Real estate and other assets held for sale, net $ 117,666

Liabilities and deferred revenue of real estate assets held for sale
Secured debt $ 561
Accounts payable, accrued expenses and other liabilities 2,497
Deferred revenue and acquisition-related intangible liabilities, net 2,899
Rents received in advance and tenant security deposits 1,586
Liabilities and deferred revenue of real estate assets held for sale $ 7,543

$142.9 million, $39.5 million and $164.3 million, respectively.

Land Dispositions

During the year ended December 31, 2018, in connection with the Plaza Yarrow Bay Properties disposition listed above, we recognized a gain on sale of land of $11.8 million. During the year ended December 31, 2017, in connection with the Sorrento Mesa and Mission Valley Properties disposition listed above, we recognized a gain on sale of land of $0.4 million. The following table summarizes the land dispositions completed during the ~~years~~year ended December 31, ~~2015 and 2014:~~2016:

Properties Submarket Month of Disposition
Gross Site Acreage
(unaudited)

Sales Price⁽¹⁾
(in millions)
2015 Land Disposition
17150 Von Karman ⁽²⁾
Irvine January 8.5 $ 26.0

2014 Land Disposition
10850 Via Frontera ⁽³⁾
Rancho Bernardo April 21.0 $ 33.1



Properties	Submarket	Month of Disposition	Gross Site Acreage (unaudited)	Sales Price⁽¹⁾ (in millions)
2016 Land Dispositions
Carlsbad Oaks - Lot 7	Carlsbad	January	7.6	$	4.5
Carlsbad Oaks - Lots 4 & 5	Carlsbad	June	11.2	6.0
Carlsbad Oaks - Lot 8	Carlsbad	June	13.2	8.9
Total 2016 Land Dispositions ⁽²⁾⁽³⁾			32.0	$	19.4

__________________


(1)	Represents gross sales price before the impact of commissions and closing costs.


(2)	~~This transaction resulted in a gain on sale~~In connection with these land dispositions, $2.3 million of ~~$17.3 million.~~secured debt was assumed by the buyers.


(3)	~~This transaction~~The 2016 land dispositions resulted in a ~~gain~~net loss on ~~sale~~sales of ~~$3.5~~$0.3 million.

~~Land Held for Sale~~

~~As of December 31, 2015 and 2014, the following land parcels were classified as held for sale:~~

Properties Submarket
Gross Site Acreage
(unaudited)
Sales Price
(in millions)
2015 Held for Sale
Carlsbad Oaks - Lot 7 ⁽¹⁾⁽²⁾
Carlsbad 7.6 $ 4.5

2014 Held for Sale
17150 Von Karman Irvine 8.5 $ 26.0

~~__________________~~


~~(1)~~	~~During the year ended December 31, 2015, the Company recognized a loss relating to selling costs of approximately $0.2 million.~~


~~(2)~~	~~In January 2016, the Company completed the sale of the Carlsbad Oaks - Lot 7 land parcel.~~

~~F - 28~~

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

Restricted Cash Related to Dispositions

As of December 31, ~~2014,~~2018, approximately ~~$59.2~~$113.1 million of net proceeds related to the ~~land and office~~operating property dispositions during the year ended December 31, ~~2014~~2018 were temporarily being held at a qualified intermediary at our direction, for the purpose of facilitating a Section 1031 ~~Exchanges.~~Exchange. The cash proceeds were included in restricted cash on ~~the~~our consolidated balance ~~sheet~~sheets at December 31, ~~2014. In~~2018. During January ~~2015, we~~2019, the Section 1031 Exchange related to this VIE was successfully completed ~~Section 1031 Exchanges~~ and the ~~$59.2 million of~~ cash proceeds ~~comprising the balances as of December 31, 2014~~ were released from the qualified intermediary. We did not have any restricted cash related to dispositions or Section 1031 Exchanges as of December 31, ~~2015.~~2017.


5.	Deferred Leasing Costs and Acquisition-related Intangible Assets and Liabilities, net

The following table summarizes our deferred leasing costs and acquisition-related intangible assets (acquired value of leasing costs, above-market operating leases, in-place leases and below-market ground lease obligation) and intangible liabilities (acquired value of below-market operating leases and above-market ground lease obligation) as of December 31, ~~2015~~2018 and ~~2014:~~2017:


	December 31, 2015			December 31, 2014			December 31, 2018			December 31, 2017
	(in thousands)						(in thousands)
Deferred Leasing Costs and Acquisition-related Intangible Assets, net:⁽¹⁾
Deferred leasing costs	$	205,888		$	216,102		$	266,905		$	248,598
Accumulated amortization	(72,745		)	(74,904		)	(100,805		)	(101,917		)
Deferred leasing costs, net	133,143			141,198			166,100			146,681
Above-market operating leases	10,989			20,734			2,836			4,199
Accumulated amortization	(6,739		)	(13,952		)	(2,150		)	(3,068		)
Above-market operating leases, net	4,250			6,782			686			1,131
In-place leases	72,639			97,250			66,526			82,097
Accumulated amortization	(33,810		)	(43,773		)	(36,174		)	(46,625		)
In-place leases, net	38,829			53,477			30,352			35,472
Below-market ground lease obligation	490			490			490			490
Accumulated amortization	(29		)	(21		)	(54		)	(46		)
Below-market ground lease obligation, net	461			469			436			444
Total deferred leasing costs and acquisition-related intangible assets, net	$	176,683		$	201,926		$	197,574		$	183,728
Acquisition-related Intangible Liabilities, net:⁽²⁾⁽¹⁾
Below-market operating leases	$	53,502		$	68,051		$	53,523		$	65,440
Accumulated amortization	(27,074		)	(30,620		)	(29,978		)	(40,495		)
Below-market operating leases, net	26,428			37,431			23,545			24,945
Above-market ground lease obligation	6,320			6,320			6,320			6,320
Accumulated amortization	(424		)	(324		)	(727		)	(626		)
Above-market ground lease obligation, net	5,896			5,996			5,593			5,694
Total acquisition-related intangible liabilities, net	$	32,324		$	43,427		$	29,138		$	30,639

_______________


(1)	~~Excludes deferred leasing costs and acquisition-related intangible assets, net related to properties held for sale as of December 31, 2015.~~


~~(2)~~	Included in deferred revenue and acquisition-related intangible liabilities, net in the consolidated balance sheets.

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

The following table sets forth amortization related to deferred leasing costs and acquisition-related intangibles for the years ended December 31, ~~2015, 2014~~2018, 2017 and ~~2013, including amounts attributable to discontinued operations for the years ended December 31, 2014 and 2013.~~2016.

~~F - 29~~

~~KILROY REALTY CORPORATION AND KILROY REALTY, L.P.~~

~~NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)~~


	Year Ended December 31,									Year Ended December 31,
	2015			2014			2013			2018			2017			2016
	(in thousands)									(in thousands)
Deferred leasing costs ⁽¹⁾	$	27,866		$	27,555		$	25,902		$	34,341		$	31,675		$	28,639
Above-market operating leases ⁽²⁾	2,532			5,303			5,664			444			2,240			1,509
In-place leases ⁽¹⁾	14,622			21,628			29,363			15,915			18,650			11,676
Below-market ground lease obligation ⁽³⁾	8			8			8			8			8			8
Below-market operating leases ⁽⁴⁾	(10,980		)	(13,238		)	(13,441		)	(10,192		)	(10,768		)	(8,674		)
Above-market ground lease obligation ⁽⁵⁾	(101		)	(101		)	(101		)	(101		)	(101		)	(101		)
Total	$	33,947		$	41,155		$	47,395		$	40,415		$	41,704		$	33,057

_______________


(1)	The amortization of deferred leasing costs and in-place leases is recorded to depreciation and amortization expense and the amortization of lease incentives is recorded as a reduction to rental income in the consolidated statements of operations for the periods presented.


(2)	The amortization of above-market operating leases is recorded as a decrease to rental income in the consolidated statements of operations for the periods presented.


(3)	The amortization of the below-market ground lease obligation is recorded as an increase to ground lease expense in the consolidated statements of operations for the periods presented.


(4)	The amortization of below-market operating leases is recorded as an increase to rental income in the consolidated statements of operations for the periods presented.


(5)	The amortization of the above-market ground lease obligation is recorded as a decrease to ground lease expense in the consolidated statements of operations for the periods presented.

The following table sets forth the estimated annual amortization expense related to deferred leasing costs and acquisition-related ~~intangible assets~~intangibles as of December 31, ~~2015~~2018 for future periods:


Year	Deferred Leasing Costs		Above-Market Operating Leases ⁽¹⁾		In-Place Leases		Below-Market Ground Lease Obligation ⁽²⁾		Below-Market Operating Leases ⁽³⁾			Above-Market Ground Lease Obligation ⁽⁴⁾			Deferred Leasing Costs		Above-Market Operating Leases ⁽¹⁾		In-Place Leases		Below-Market Ground Lease Obligation ⁽²⁾		Below-Market Operating Leases ⁽³⁾			Above-Market Ground Lease Obligation ⁽⁴⁾
	(in thousands)														(in thousands)
2016	$	25,637	$	1,501	$	10,542	$	8	$	(7,664	)	$	(101	)
2017	22,790		1,241		9,108		8		(7,017		)	(101		)
2018	19,580		831		6,296		8		(5,713		)	(101		)
2019	15,649		643		4,637		8		(3,574		)	(101		)	31,980		192		16,675		8		(7,779		)	(100		)
2020	11,720		16		2,789		8		(2,035		)	(101		)	26,868		38		5,963		8		(4,621		)	(100		)
2021															21,787		38		2,861		8		(1,938		)	(100		)
2022															18,683		38		1,589		8		(1,486		)	(100		)
2023															14,914		38		648		8		(988		)	(100		)
Thereafter	37,767		18		5,457		421		(425		)	(5,391		)	51,868		342		2,616		396		(6,733		)	(5,093		)
Total	$	133,143	$	4,250	$	38,829	$	461	$	(26,428	)	$	(5,896	)	$	166,100	$	686	$	30,352	$	436	$	(23,545	)	$	(5,593	)

_______________


(1)	Represents estimated annual amortization related to above-market operating leases. Amounts will be recorded as a decrease to rental income in the consolidated statements of operations.


(2)	Represents estimated annual amortization related to below-market ground lease obligations. Amounts will be recorded as an increase to ground lease expense in the consolidated statements of operations.


(3)	Represents estimated annual amortization related to below-market operating leases. Amounts will be recorded as an increase to rental income in the consolidated statements of operations.


(4)	Represents estimated annual amortization related to above-market ground lease obligations. Amounts will be recorded as a decrease to ground lease expense in the consolidated statements of operations.

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)


6.	Receivables

Current Receivables, net

Current receivables, net is primarily comprised of contractual rents and other lease-related obligations due from tenants. The balance consisted of the following as of December 31, ~~2015~~2018 and ~~2014:~~2017:


	December 31, 2015			December 31, 2014			December 31, 2018			December 31, 2017
	(in thousands)						(in thousands)
Current receivables ⁽¹⁾	$	13,233		$	9,228		$	24,815		$	19,235
Allowance for uncollectible tenant receivables ⁽¹⁾	(2,080		)	(1,999		)	(4,639		)	(2,309		)
Current receivables, net ⁽¹⁾	$	11,153		$	7,229		$	20,176		$	16,926

~~______________~~

Deferred Rent Receivables, net

Deferred rent receivables, net consisted of the following as of December 31, 2018 and 2017:



	December 31, 2018			December 31, 2017
	(in thousands)
Deferred rent receivables	$	270,346		$	249,629
Allowance for deferred rent receivables	(3,339		)	(3,238		)
Deferred rent receivables, net	$	267,007		$	246,391


7.	Prepaid Expenses and Other Assets, Net

Prepaid expenses and other assets, net consisted of the following at December 31, 2018 and 2017:



	December 31, 2018		December 31, 2017
	(in thousands)
Furniture, fixtures and other long-lived assets, net	$	36,833	$	39,686
Notes receivable⁽¹⁾	2,113		19,912
Prepaid expenses & acquisition deposits	13,927		55,108
Total Prepaid Expenses and Other Assets, Net	$	52,873	$	114,706

_______________


(1)	~~Excludes current receivables,~~During the year ended December 31, 2018, a note receivable with a balance of $15.1 million was repaid to the Company. Notes receivable are shown net ~~related to real estate held for sale.~~of a valuation allowance of approximately $2.9 million as of December 31, 2018.

~~F - 30~~

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

~~Deferred Rent Receivables, net~~

~~Deferred rent receivables, net consisted of the following as of~~ ~~December 31, 2015~~ ~~and 2014:~~

December 31, 2015 December 31, 2014
(in thousands)
Deferred rent receivables⁽¹⁾
$ 191,586
$ 158,405
Allowance for deferred rent receivables (1,882 ) (1,989 )
Deferred rent receivables, net⁽¹⁾
$ 189,704
$ 156,416

~~__________________~~


~~(1)~~	~~Excludes deferred rent receivables, net related to real estate held for sale.~~

7.8. Secured and Unsecured Debt of the Company

In this Note 7,8, the “Company” refers solely to Kilroy Realty Corporation and not to any of our subsidiaries. The Company itself does not hold any indebtedness. All of our secured and unsecured debt is held directly by the Operating Partnership.

The Company generally guarantees all the Operating Partnership’s unsecured debt obligations including the unsecured revolving credit facility, the $150.0 million unsecured term loan facility and all of the ~~$39.0 million unsecured term loan, the 4.800%~~ unsecured senior notes due in 2018, the 6.625% unsecured senior notes due in 2020, the 3.80% unsecured senior notes due in 2023, the 4.375% unsecured senior notes due in 2025, and the 4.250% unsecured senior notes due in 2029.notes. At December 31, ~~2015~~2018 and ~~2014~~,2017, the Operating Partnership had ~~$1.9~~$2.6 billion and $2.0 billion, respectively, outstanding in total, including unamortized discounts and deferred financing costs, under these unsecured debt obligations.

In addition, although the remaining ~~$0.4~~$0.3 billionof the Operating Partnership’s debt as of December 31, ~~2015~~,2018 and ~~$0.5 billion as of December 31,~~ ~~2014~~2017, is secured and non-recourse to the Company, the Company provides limited customary secured debt guarantees for items such as voluntary bankruptcy, fraud, misapplication of payments and environmental liabilities.

Debt Covenants and Restrictions

One of the covenants contained within the unsecured revolving credit facility and the unsecured term loan facility ~~and the unsecured term loan~~ as discussed further below in Note 89 prohibits the Company from paying dividends during an event of default in excess of ~~95%~~an amount which results in distributions to us in an amount sufficient to permit us to pay dividends to our stockholders that we reasonably believe are necessary to (a) maintain our qualification as a REIT for federal and state income tax purposes and (b) avoid the payment of ~~funds from operations (“FFO”).~~

~~F - 31~~

federal or state income or excise tax.

~~KILROY REALTY CORPORATION AND KILROY REALTY, L.P.~~

~~NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)~~

8.9. Secured and Unsecured Debt of the Operating Partnership

Secured Debt

The following table sets forth the composition of our secured debt as of December 31, ~~2015~~2018 and ~~2014:~~2017:

Annual Stated Interest Rate ⁽¹⁾

GAAP
Effective Rate ⁽¹⁾⁽²⁾
Maturity Date December 31,
Type of Debt
2015 ⁽³⁾

2014 ⁽³⁾
(in thousands)
Mortgage note payable ⁽⁵⁾
4.27% 4.27% February 2018 $ 128,315
$ 130,767
Mortgage note payable ⁽⁵⁾
4.48% 4.48% July 2027 96,354
97,000
Mortgage note payable ⁽⁴⁾⁽⁵⁾
6.05% 3.50% June 2019 85,890
89,242
Mortgage note payable 6.51% 6.51% February 2017 65,563
66,647
Mortgage note payable 7.15% 7.15% May 2017 3,987
6,568
Mortgage note payable⁽⁵⁾⁽⁶⁾
5.23% 3.50% January 2016 —
52,793
Mortgage note payable ⁽⁵⁾⁽⁶⁾
5.57% 3.25% February 2016 —
40,258
Mortgage note payable ⁽⁵⁾
5.09% 3.50% August 2015 —
34,311
Mortgage note payable 4.94% 4.00% April 2015 —
26,285
Other ⁽⁷⁾
Various Various Various 1,809
2,421
Total $ 381,918
$ 546,292



	Annual Stated Interest Rate ⁽¹⁾	GAAP Effective Rate ⁽¹⁾⁽²⁾	Maturity Date	December 31,
Type of Debt	Annual Stated Interest Rate ⁽¹⁾	GAAP Effective Rate ⁽¹⁾⁽²⁾	Maturity Date	2018			2017
				(in thousands)
Mortgage note payable	3.57%	3.57%	December 2026	$	170,000		$	170,000
Mortgage note payable ⁽³⁾	4.48%	4.48%	July 2027	91,332			93,081
Mortgage note payable ⁽³⁾⁽⁴⁾	6.05%	3.50%	June 2019	75,238			78,894
Total secured debt				$	336,570		$	341,975
Unamortized Deferred Financing Costs				(1,039		)	(1,175		)
Total secured debt, net				$	335,531		$	340,800

______________


(1)	All interest rates presented are fixed-rate interest rates.


(2)	~~This represents~~Represents the effective interest rate ~~at which interest expense is recorded for financial reporting purposes, which reflects~~including the amortization of initial issuance discounts/premiums excluding ~~debt issuance~~the amortization of deferred financing costs.


(3)	~~Amounts reported include the amounts of unamortized debt premiums of $6.2 million and $10.3 million as of December 31, 2015 and 2014, respectively.~~


~~(4)~~	In January 2013, in connection with the acquisition of two office buildings in Seattle, Washington, we assumed a mortgage loan that is secured by the project. The loan requires monthly principal and interest payments based on a 6.4 year amortization period. As of December 31, 2015 and 2014, the mortgage loan had unamortized debt premiums of $6.2 million and $8.0 million, respectively.


~~(5)~~	The secured debt and the related properties that secure the debt are held in a special purpose entity and the properties are not available to satisfy the debts and other obligations of the Company or the Operating Partnership.


~~(6)~~(4)	~~These mortgage notes payable were repaid during the year ended~~ As of December 31, ~~2015~~2018 and 2017, the mortgage loan had unamortized debt premiums of $0.8 millionand $2.6 million, respectively. In February 2019, the Company repaid this mortgage note payable at par.


~~(7)~~	~~Excludes $0.6 million of secured debt related to real estate assets held for sale as of~~ ~~December 31, 2015.~~

The Operating Partnership’s secured debt was collateralized by operating properties with a combined net book value of approximately ~~$614.4~~$324.6 million as of December 31, ~~2015.~~2018.

Although our mortgage loans are secured and non-recourse to the Company and the Operating Partnership, the Company provides limited customary secured debt guarantees for items such as voluntary bankruptcy, fraud, misapplication of payments and environmental liabilities.

As of December 31, ~~2015, five~~2018, all of the Operating Partnership’s ~~six~~ secured loans contained restrictions that would require the payment of prepayment penalties for the acceleration of outstanding debt. The mortgage notes payable are secured

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

by deeds of trust on certain of our properties and the assignment of certain rents and leases associated with those properties.

Unsecured Senior Notes

In September 2015, the Operating Partnership issued $400.0 million of aggregate principal amount of unsecured senior notes in a registered public offering. The outstanding balance of the unsecured senior notes is included in unsecured debt, net of initial issuance discount of $2.2 million, on our consolidated balance sheets. The unsecured senior notes, which are scheduled to mature on October 1, 2025, require semi-annual interest payments each April and October based on a stated annual interest rate of 4.375%. The Company used the net proceeds to repay the $325.0 million 5.000% Unsecured Senior Notes upon maturity in November 2015 and for other general corporate purposes, including the repayment of debt and funding development expenditures.

~~F - 32~~

~~KILROY REALTY CORPORATION AND KILROY REALTY, L.P.~~

~~NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)~~

In July 2014, the Operating Partnership issued $400.0 million aggregate principal amount of unsecured senior notes in a registered public offering. The outstanding balance of the unsecured senior notes is included in unsecured debt, net of initial issuance discount of $4.5 million, on our consolidated balance sheets. The unsecured senior notes, which are scheduled to mature on August 15, 2029, require semi-annual interest payments each February and August based on a stated annual interest rate of 4.250%. The Company used a portion of the net proceeds for general corporate purposes, including the repayment of borrowings under the Operating Partnership’s unsecured revolving credit facility.

The following table summarizes the balance and significant terms of the registered unsecured senior notes issued by the Operating Partnership and outstanding, including unamortized discounts of $6.6 millionand $6.3 million and unamortized deferred financing costs of $15.4 million and $12.5 million as of December 31, ~~2015~~2018 and ~~2014:~~2017, respectively:

Principal Amount
as of December 31,
Issuance date Maturity date
Stated
coupon rate

Effective interest rate⁽¹⁾
2015 2014
(in thousands)
4.375% Unsecured Senior Notes ⁽²⁾
September 2015 October 2025 4.375% 4.440% $ 400,000
$ —
Unamortized discount
(2,159 ) $ —
Net carrying amount $ 397,841
$ —

4.250% Unsecured Senior Notes ⁽³⁾
July 2014 August 2029 4.250% 4.350% $ 400,000
$ 400,000
Unamortized discount
(4,050 ) (4,348 )
Net carrying amount $ 395,950
$ 395,652

3.800% Unsecured Senior Notes ⁽⁴⁾
January 2013 January 2023 3.800% 3.804% $ 300,000
$ 300,000
Unamortized discount (70 ) (79 )
Net carrying amount $ 299,930
$ 299,921

4.800% Unsecured Senior Notes ⁽⁴⁾⁽⁵⁾
July 2011 July 2018 4.800% 4.827% $ 325,000
$ 325,000
Unamortized discount (191 ) (265 )
Net carrying amount $ 324,809
$ 324,735

6.625% Unsecured Senior Notes ⁽⁶⁾
May 2010 June 2020 6.625% 6.743% $ 250,000
$ 250,000
Unamortized discount (940 ) (1,154 )
Net carrying amount $ 249,060
$ 248,846

5.000% Unsecured Senior Notes ⁽⁷⁾
November 2010 November 2015 5.000% 5.014% $ —
$ 325,000
Unamortized discount —
(33 )
Net carrying amount $ —
$ 324,967

Total Unsecured Senior Notes, Net $ 1,667,590
$ 1,594,121



					Net Carrying Amount as of December 31,
	Issuance date	Maturity date	Stated coupon rate	Effective interest rate⁽¹⁾	2018			2017
					(in thousands)
4.750% Unsecured Senior Notes ⁽²⁾	November 2018	December 2028	4.750%	4.800%	$	400,000		$	—
Unamortized discount and deferred financing costs					(4,960		)	—
Net carrying amount					$	395,040		$	—

4.350% Unsecured Senior Notes⁽³⁾	October 2018	October 2026	4.350%	4.350%	$	200,000		$	—
Unamortized discount and deferred financing costs					(1,375		)	—
Net carrying amount					$	198,625		$	—

4.300% Unsecured Senior Notes ⁽³⁾	July 2018	July 2026	4.300%	4.300%	$	50,000		$	—
Unamortized discount and deferred financing costs					(342		)	—
Net carrying amount					$	49,658		$	—

3.450% Unsecured Senior Notes ⁽⁴⁾	December 2017	December 2024	3.450%	3.470%	$	425,000		$	425,000
Unamortized discount and deferred financing costs					(3,493		)	(4,047		)
Net carrying amount					$	421,507		$	420,953

3.450% Unsecured Senior Notes ⁽⁵⁾	February 2017	February 2029	3.450%	3.450%	$	75,000		$	75,000
Unamortized discount and deferred financing costs					(432		)	(475		)
Net carrying amount					$	74,568		$	74,525

3.350% Unsecured Senior Notes ⁽⁵⁾	February 2017	February 2027	3.350%	3.350%	$	175,000		$	175,000
Unamortized discount and deferred financing costs					(941		)	(1,056		)
Net carrying amount					$	174,059		$	173,944

4.375% Unsecured Senior Notes ⁽⁶⁾	September 2015	October 2025	4.375%	4.444%	$	400,000		$	400,000
Unamortized discount and deferred financing costs					(3,738		)	(4,292		)
Net carrying amount					$	396,262		$	395,708

4.250% Unsecured Senior Notes ⁽⁷⁾	July 2014	August 2029	4.250%	4.350%	$	400,000		$	400,000
Unamortized discount and deferred financing costs					(5,632		)	(6,164		)
Net carrying amount					$	394,368		$	393,836

3.800% Unsecured Senior Notes ⁽⁸⁾	January 2013	January 2023	3.800%	3.800%	$	300,000		$	300,000
Unamortized discount and deferred financing costs					(1,108		)	(1,382		)
Net carrying amount					$	298,892		$	298,618

6.625% Unsecured Senior Notes ⁽⁹⁾	May 2010	June 2020	6.625%	6.744%	$	—		$	250,000
Unamortized discount and deferred financing costs					—			(1,321		)
Net carrying amount					$	—		$	248,679

Total Unsecured Senior Notes, Net					$	2,402,979		$	2,006,263

________________________


(1)	~~This represents~~Represents the effective interest rate ~~at which interest expense is recorded for financial reporting purposes, which reflects~~including the amortization of initial issuance discounts, excluding ~~debt issuance~~the amortization of deferred financing costs.


(2)	Interest on these notes is payable semi-annually in arrears on June 15th and December 15th of each year, beginning on June 15, 2019.


(3)	Interest on these notes is payable semi-annually in arrears on April 18th and October 18th of each year, beginning in April 18, 2019.


(4)	Interest on these notes is payable semi-annually in arrears on June 15th and December 15th of each year.


(5)	Interest on these notes is payable semi-annually in arrears on February 17th and August 17th of each year.


(6)	Interest on these notes is payable semi-annually in arrears on April 1st and October 1st of each year.


~~(3)~~(7)	Interest on these notes is payable semi-annually in arrears on February 15th and August 15th of each year.


~~(4)~~(8)	Interest on these notes is payable semi-annually in arrears on January 15th and July 15th of each year.

~~(5)~~

In October 2015, certain common limited partners in the Operating Partnership that previously contributed their interests in the property at 6255 W. Sunset Blvd., Los Angeles, California to the Operating Partnership entered into an agreement with the Company. Pursuant to this agreement, such common limited partners will reimburse the Company for a portion of any amounts the Company may be required to pay pursuant to its guarantee of the Operating Partnership's 4.800% Senior Notes due 2018 or that the Company may otherwise become required to pay under applicable law with respect to such notes.


~~(6)~~(9)	Interest on these notes is payable semi-annually in arrears on June 1st and December 1st of each year.


~~(7)~~	~~Interest of these notes is payable semi-annually in arrears on May 3rd and November 3rd of each year.~~

~~In August 2014, upon maturity, we repaid our outstanding Series B unsecured senior notes which had an aggregate principal balance of $83.0 million and effective interest rate of~~ ~~6.450%~~ ~~as of December 31, 2013.~~

~~F - 33~~

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

Unsecured Senior Notes - Registered Offerings

In November 2018, the Operating Partnership issued $400.0 million of aggregate principal amount of unsecured senior notes in a registered public offering, as shown on the table above. The outstanding balance of the unsecured senior notes is included in unsecured debt, net of initial issuance discount of$1.5 million, on our consolidated balance sheets. The unsecured senior notes, which are scheduled to mature on December 15, 2028, require semi-annual interest payments each June and December based on a stated annual interest rate of 4.750%. The Operating Partnership may redeem the notes at any time prior to December 15, 2028, either in whole or in part, subject to the payment of an early redemption premium subject to a par call option.

In December 2018, we used a portion of the net proceeds from the issuance of our $400.0 million, 4.750% unsecured senior notes to early redeem, at our option, the $250.0 million aggregate principal amount of our outstanding 6.625% unsecured senior notes that were scheduled to mature on June 1, 2020. In connection with our early redemption, we incurred a$12.6 millionloss on early extinguishment of debt comprised of an $11.8 million premium paid to the note holders at the redemption date and a$0.8 millionwrite-off of the unamortized discount and unamortized deferred financing costs.

In December 2017, the Operating Partnership issued $425.0 million of aggregate principal amount of unsecured senior notes in a registered public offering, as shown on the table above. The outstanding balance of the unsecured senior notes is included in unsecured debt, net of initial issuance discount of $0.6 million, on our consolidated balance sheet. The unsecured senior notes, which are scheduled to mature on December 15, 2024, require semi-annual interest payments each June and December based on a stated annual interest rate of 3.450%. The Operating Partnership may redeem the notes at any time prior to September 15, 2024, either in whole or in part, subject to the payment of an early redemption premium.

In December 2017, we used a portion of the net proceeds from the issuance of our $425.0 million, 3.450% unsecured senior notes to early redeem, at our option, the $325.0 million aggregate principal amount of our outstanding 4.800% unsecured senior notes that were scheduled to mature on July 15, 2018. In connection with our early redemption, we incurred a $5.3 million loss on early extinguishment of debt comprised of $5.0 million premium paid to the note holders at the redemption date and $0.3 million write-off of the unamortized discount and unamortized deferred financing costs.

Unsecured Senior Notes - Private Placement

In May 2018, the Operating Partnership entered into a note purchase agreement in a private placement (the “2018 Note Purchase Agreement”) in connection with the issuance and sale of $50.0 million principal amount of the Operating Partnership’s 4.30% Senior Notes, Series A, due July 18, 2026 (the “Series A Notes due 2026”), and $200.0 million principal amount of the Operating Partnership’s 4.35% Senior Notes, Series B, due October 18, 2026 (the “Series B Notes due 2026” and, together with the Series A Notes, the “Series A and B Notes due 2026”), as shown in the table above. The Company drew the full amount of the Series A Notes due 2026 on July 18, 2018. On October 22, 2018, the Company drew the full amount of the Series B Notes due 2026. The Series A and B Notes due 2026 mature on their respective due dates, unless earlier redeemed or prepaid pursuant to the terms of the 2018 Note Purchase Agreement. Interest on the Series A and B Notes due 2026 is payable semi-annually in arrears on April 18 and October 18 of each year beginning April 18, 2019. As of December 31, 2018, there was $50.0 million and $200.0 million issued and outstanding aggregate principal amount of Series A and Series B Notes due 2026, respectively.

In September 2016, the Operating Partnership entered into a note purchase agreement in a private placement (the “2016 Note Purchase Agreement”), in connection with the issuance and sale of $175.0 million principal amount of the Operating Partnership’s 3.35% Senior Notes, Series A, due February 17, 2027 (the “Series A Notes due 2027”), and $75.0 million principal amount of the Operating Partnership’s 3.45% Senior Notes, Series B, due February 17, 2029 (the “Series B Notes due 2029” and, together with the Series A Notes due 2027, the “Series A and B Notes due 2027 and 2029”), as shown on the table above. In February 2017, the Operating Partnership issued the $175.0 million principal amount of its Series A Notes due 2027 and the $75.0 million principal amount of its Series B Notes due 2029. The Series A and B Notes due 2027 and 2029 mature on their respective due dates unless earlier redeemed or prepaid pursuant to the terms of the 2016 Note Purchase Agreement. Interest on the Series A and B Notes due 2027 and 2029 is payable semi-annually in arrears on February 17 and August 17 of each year. As of December 31, 2018, there was

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

$175.0 million and $75.0 million issued and outstanding aggregate principal amount of Series A and B Notes, respectively.

The Operating Partnership may, at its option and upon notice to the purchasers of the Series A and B Notes due 2026 and Series A and B Notes due 2027 and 2029, prepay at any time all, or from time to time any part of the principal amounts then outstanding (in an amount not less than 5% of the aggregate principal amount of the Series A and B Notes due 2026 and Series A and B Notes due 2027 and 2029 then outstanding in the case of a partial prepayment), at 100% of the principal amount so prepaid, plus the make-whole amount determined for the prepayment date with respect to such principal amount as set forth in the 2016 & 2018 Note Purchase Agreements.

In connection with the issuance of the Series A and B Notes due 2026 and Series A and B Notes due 2027 and 2029, the Company entered into an agreement whereby it will guarantee the payment by the Operating Partnership of all amounts due with respect to the Series A and B Notes due 2026 and Series A and B Notes due 2027 and the performance by the Operating Partnership of its obligations under the 2016 & 2018 Note Purchase Agreements.

Unsecured Revolving Credit Facility and ~~Unsecured~~ Term Loan Facility

In July 2017, the Operating Partnership amended and restated the terms of its unsecured revolving credit facility and unsecured term loan facility (together, the “Facility”). The amendment and restatement increased the size of the unsecured revolving credit facility from $600.0 million to $750.0 million, maintained the size of the unsecured term loan facility of $150.0 million, reduced the borrowing costs and extended the maturity date of the Facility to July 2022.

The following table summarizes the balance and terms of our unsecured revolving credit facility as of December 31, ~~2015~~2018 and ~~December 31, 2014~~:2017:


	December 31, 2015			December 31, 2014			December 31, 2018			December 31, 2017
	(in thousands)						(in thousands)
Outstanding borrowings	$	—		$	140,000		$	45,000		$	—
Remaining borrowing capacity	600,000			460,000			705,000			750,000
Total borrowing capacity ⁽¹⁾	$	600,000		$	600,000		$	750,000		$	750,000
Interest rate ⁽²⁾	—		%	1.41		%	3.48		%	2.56		%
Facility fee-annual rate ⁽³⁾	0.200%			0.250%			0.200%
Maturity date	July 2019						July 2022

_______________


(1)	We may elect to borrow, subject to bank approval and obtaining commitments for any additional borrowing capacity, up to an additional ~~$311.0~~$600.0 million under an accordion feature under the terms of the unsecured revolving credit facility and unsecured term loan facility.


(2)	Our unsecured revolving credit facility interest rate was calculated based on ~~an annual~~the contractual rate of LIBOR ~~plus1.050% and LIBOR~~ plus ~~1.250%~~1.000% as of December 31, ~~2015~~2018 and ~~December 31, 2014, respectively.~~2017.

(3)

The Company intends to borrow ~~amounts~~ under the unsecured revolving credit facility from time to time for general corporate purposes, to ~~fund potential acquisitions, to~~ finance development and redevelopment expenditures, to fund potential acquisitions and to potentially repay long-term debt.

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

During the first quarter of 2018, we borrowed the full $150.0 million borrowing capacity of our unsecured term loan facility. In connection with the funding of the outstanding borrowings, we transferred $30.0 million of outstanding borrowings under the unsecured revolving credit facility to the balance of our unsecured term loan facility. As a result, only $120.0 million of cash proceeds were received from the funding of the unsecured term loan facility. The following table summarizes the balance and terms of our unsecured term loan facility ~~which is included in our unsecured debt,~~ as of December 31, ~~2015~~2018 and ~~December 31, 2014~~:2017:


	December 31, 2015			December 31, 2014			December 31, 2018			December 31, 2017
	(in thousands)						(in thousands)
Outstanding borrowings	$	150,000		$	150,000		$	150,000		$	—
Interest rate ⁽¹⁾	1.40		%	1.56		%
Remaining borrowing capacity							—			150,000
Total borrowing capacity ⁽¹⁾							$	150,000		$	150,000
Interest rate ⁽²⁾							3.49		%	2.66		%
Undrawn facility fee-annual rate ⁽³⁾							0.200%
Maturity date	July 2019			July 2019			July 2022

_______________


(1)	As of December 31, 2018 and 2017, $0.9 million and $1.2 million of unamortized deferred financing costs, respectively, remained to be amortized through the maturity date of our unsecured term loan facility.


(2)	Our unsecured term loan facility interest rate was calculated based on ~~an annual~~the contractual rate of LIBOR plus ~~1.150% and LIBOR plus 1.400%~~1.100% as of December 31, ~~2015~~2018 and ~~December 31, 2014, respectively.~~2017.

Additionally, the Company has a $39.0 million unsecured term loan outstanding with an annual interest rate of LIBOR plus 1.150% and LIBOR plus 1.400% as of December 31, 2015 and December 31, 2014, respectively, that matures in July 2019.


(3)	Prior to borrowing the full capacity of our unsecured term loan facility, the undrawn facility fee was calculated based on any unused borrowing capacity and was paid on a quarterly basis.

Debt Covenants and Restrictions

The unsecured revolving credit facility, the unsecured term loan facility, the unsecured ~~term loan,~~senior notes, the ~~unsecured senior notes,~~Series A and B Notes due 2026 and Series A and B Notes due 2027 and 2029 and certain other secured debt arrangements contain covenants and restrictions requiring us to meet certain financial ratios and reporting requirements. Some of the more restrictive financial covenants include a maximum ratio of total debt to total asset value, a minimum fixed-charge coverage ratio, a minimum unsecured debt ratio and a minimum unencumbered asset pool debt service coverage ratio. Noncompliance with one or more of the covenants and restrictions could result in the full principal balance of the associated debt becoming immediately due and payable. We believe we were in compliance with all of our debt covenants as of December 31, ~~2015~~2018 and ~~2014.~~2017.

Debt Maturities

The following table summarizes the stated debt maturities and scheduled amortization payments as of December 31, 2018:

~~F - 34~~



Year	(in thousands)
2019	$	76,309
2020	5,137
2021	5,342
2022	200,554
2023	305,775
Thereafter	2,362,694
Total aggregate principal value ⁽¹⁾	$	2,955,811

________________________


(1)	Includes gross principal balance of outstanding debt before the effect of the following at December 31, 2018: $17.4 million of unamortized deferred financing costs for the unsecured term loan facility, unsecured senior notes and secured debt, $6.6 million of unamortized discounts for the unsecured senior notes and $0.8 million of unamortized premiums for the secured debt.

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

~~Debt Maturities~~

~~The following table summarizes the stated debt maturities and scheduled amortization payments as of~~ ~~December 31, 2015~~:

Year (in thousands)
2016 $ 9,734
2017 71,734
2018 451,713
2019 265,355
2020 251,962
Thereafter 1,189,198
Total aggregate principal value $ 2,239,696
Less net unamortized discounts (1,188 )
Total debt, net of unamortized discounts $ 2,238,508

~~4.25% Exchangeable Senior Notes due 2014~~

The table below summarizes the significant terms of the Company’s $172.5 million 4.25% Exchangeable Notes due November 2014 (the “4.25% Exchangeable Notes”) prior to their repayment upon maturity in November 2014.



~~4.25% Exchangeable Notes~~		~~December 31, 2014~~
~~Issuance date~~		~~November 2009~~
~~Maturity date~~		~~November 2014~~
~~Stated coupon rate~~ ⁽¹⁾		~~4.25%~~
~~Effective interest rate~~ ⁽²⁾		~~7.13%~~
~~Exchange rate per $1,000 principal value of the 4.25% Exchangeable Notes, as adjusted~~ ⁽³⁾		~~27.8307~~
~~Exchange price as adjusted~~ ⁽³⁾		~~$35.93~~
~~Number of shares on which the aggregate consideration to be delivered on conversion~~ ⁽³⁾		~~4,800,796~~

~~_______________~~


~~(1)~~	~~Interest on the 4.25% Exchangeable Notes was payable semi-annually in arrears on May 15th and November 15th of each year.~~


~~(2)~~	Represents the rate at which we record interest expense for financial reporting purposes, which reflects the amortization of the discounts on the 4.25% Exchangeable Notes. This rate represents our conventional debt borrowing rate at the date of issuance.


~~(3)~~	The exchange rate, exchange price, and the number of shares to be delivered upon conversation were subject to adjustment under certain circumstances, including increases in our common dividends as of December 31, 2014.

Prior to their maturity on November 15, 2014, the 4.25% Exchangeable Notes were exchangeable for shares of the Company's common stock only upon the occurrence of certain events. Upon exchange of the 4.25% Exchangeable Notes in November 2014, the holders received (i) cash up to the principal amount of the 4.25% Exchangeable Notes and (ii) to the extent the exchange value exceeded the principal amount of the 4.25% Exchangeable Notes, shares of the Company’s common stock. Shares of common stock delivered for settlement were based on a daily exchange value calculated on a proportionate basis for each day of a 30 day trading-day observation period.

In connection with the 4.25% Exchangeable Notes, the Company entered into capped call option transactions (“capped calls”) that mitigated the dilutive impact of the potential conversion of the 4.25% Exchangeable Notes. The capped calls for the 4.25% Exchangeable Notes were terminated when the 4.25% Exchangeable Notes were repaid upon maturity in November 2014. The capped calls, as amended, were separate transactions entered into by us with the relevant financial institutions and were not part of the terms of the 4.25% Exchangeable Notes. The $42.81 strike prices of the capped calls, which were subject to customary anti-dilution adjustments, corresponded to the exchange prices of the applicable 4.25% Exchangeable Notes.

In the third quarter of 2014, we settled early exchanges of the 4.25% Exchangeable Notes with an aggregate principal amount of $37.0 million. For the exchange settlements, the Company paid the noteholders a total of $37.0 million in cash for the principal amount and issued to the noteholders a total of 431,270 shares of our common stock for the excess exchange value. As a result of the exchange settlements, the Company exercised the equivalent

~~F - 35~~

~~KILROY REALTY CORPORATION AND KILROY REALTY, L.P.~~

~~NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)~~

proportionate amount of its capped call options and, as a result, received 111,206 shares of our common stock from the counterparties. This reduced the shares of common stock issued in connection with the exchanges to 320,064 shares.

Upon maturity in November 2014, we repaid the remaining balance of the outstanding 4.25% Exchangeable Notes with an aggregate principal balance of $135.5 million. For the repayment settlement, the Company paid the noteholders a total of $135.5 million in cash for the principal amount and issued to the noteholders a total of 1,660,053 shares of our common stock for the excess exchange value. As a result of the repayment settlement, the Company exercised the equivalent proportionate amount of its capped call options and, as a result, received 404,136 shares of our common stock from the counterparties, thereby reducing the shares of common stock issued upon maturity of the 4.25% Exchangeable Notes to 1,255,917 shares. This reduced the total shares of common stock issued in connection with the exchanges and repayment settlements to 1,575,981 shares.

For the respective reporting periods noted below, which preceding maturity of the 4.25% Exchangeable Notes on November 15, 2014, the per share average trading price of the Company's common stock on the NYSE was higher than the $35.93 exchange price for the 4.25% Exchangeable Notes, as presented in the table below. See Note 20 “Net Income Available to Common Stockholders Per Share of the Company” and Note 21 “Net Income Available to Common Unitholders Per Unit of the Operating Partnership” for a discussion of the impact of the 4.25% Exchangeable Notes on our diluted earnings per share and unit calculations for the years ended December 31, 2014 and 2013.

Period Ended November 15, 2014⁽¹⁾
Year Ended December 31, 2013
Per share average trading price of the Company's common stock $ 60.04
$ 52.12

~~_______________~~

~~(1) Represents the maturity date of the 4.25% Exchangeable Notes.~~

~~Interest Expense for the 4.25% Exchangeable Notes due 2014~~

The unamortized discount on the 4.25% Exchangeable Notes was accreted as additional interest expense from the date of issuance through the maturity date. The following table summarizes the total interest expense attributable to the 4.25% Exchangeable Notes prior to maturity in November 2014, based on the effective interest rates, before the effect of capitalized interest, for the years ended December 31, 2014 and 2013:

Year Ended December 31,
2014 2013

Contractual interest payments
$ 5,608
$ 7,331
Amortization of discount
3,769
4,427
Interest expense attributable to the 4.25% Exchangeable Notes
$ 9,377
$ 11,758

Capitalized Interest and Loan Fees

The following table sets forth gross interest expense, ~~reported in continuing operations,~~ including debt discount/premium and ~~loan~~deferred financing cost amortization, net of capitalized interest, for the years ended ~~December 31, 2015, 2014~~2018, 2017 and ~~2013.~~2016. The interest expense capitalized was recorded as a cost of development and ~~redevelopment, and~~ increased the carrying value of undeveloped land and construction in progress.

Year Ended December 31,
2015 2014 2013
(in thousands)
Gross interest expense $ 109,647
$ 114,661
$ 111,238
Capitalized interest (51,965 ) (47,090 ) (35,368 )
Interest expense $ 57,682
$ 67,571
$ 75,870

~~F - 36~~



	Year Ended December 31,
	2018			2017			2016
	(in thousands)
Gross interest expense	$	117,789		$	112,577		$	105,263
Capitalized interest and deferred financing costs	(68,068		)	(46,537		)	(49,460		)
Interest expense	$	49,721		$	66,040		$	55,803

~~KILROY REALTY CORPORATION AND KILROY REALTY, L.P.~~

~~NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)~~


9.10.	Deferred Revenue and ~~Acquisition Related~~Acquisition-Related Intangible Liabilities, net

Deferred revenue and acquisition-related intangible liabilities, net ~~consists~~consisted of the following at December 31, ~~2015~~2018 and ~~2014~~:2017:


	December 31,				December 31,
	2015		2014		2018		2017
	(in thousands)				(in thousands)
Deferred revenue related to tenant-funded tenant improvements ⁽¹⁾	$	90,825	$	85,757	$	104,558	$	104,260
Other deferred revenue	5,007		3,055		15,950		10,991
Acquisition-related intangible liabilities, net ⁽²⁾⁽¹⁾	32,324		43,427		29,138		30,639
Total	$	128,156	$	132,239	$	149,646	$	145,890

________________________


(1)	~~Excludes deferred revenue related to tenant-funded tenant improvements related to properties held for sale at December 31, 2015~~.


~~(2)~~	See ~~Note 2 “Basis of Presentation and Significant Accounting Policies” and~~ Note 5 “Deferred Leasing Costs and Acquisition-related Intangible Assets and Liabilities, net” for additional ~~information.~~information regarding our acquisition-related intangible liabilities.

Deferred Revenue Related to Tenant-funded Tenant Improvements

During the years ended December 31, ~~2015~~, ~~2014~~,2018, 2017, and ~~2013, $13.3~~2016, $18.4 million, ~~$11.0~~$16.8 million and ~~$10.7~~$13.2 million, respectively, of deferred revenue related to tenant-funded tenant improvements ~~(including discontinued operations for the years ended December 31, 2014 and~~ ~~2013~~) was amortized and recognized as rental income. The following is the estimated amortization of deferred revenue related to tenant-funded tenant improvements as of December 31, ~~2015~~2018 for the next five years and thereafter:


Year Ending	(in thousands)		(in thousands)
2016	$	12,536
2017	11,924
2018	11,285
2019	9,761		$	16,973
2020	9,230		16,265
2021			14,612
2022			13,603
2023			11,857
Thereafter	36,089		31,248
Total	$	90,825	$	104,558

~~10.~~

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

11. Noncontrolling Interests on the Company’s Consolidated Financial Statements

Common Units of the Operating Partnership

The Company owned a ~~98.1%~~98.0% and ~~98.0%~~97.9% common general partnership interest in the Operating Partnership as of December 31, ~~2015~~2018 and ~~2014,~~2017, respectively. The remaining ~~1.9%~~2.0% and ~~2.0%~~2.1% common limited partnership interest as of December 31, ~~2015~~2018 and ~~2014,~~2017, respectively, was owned by non-affiliated investors and certain of our executive officers and directors in the form of noncontrolling common units. There were ~~1,764,775~~2,025,287 and ~~1,804,200~~2,077,193 common units outstanding held by these investors, executive officers and directors as of December 31, ~~2015~~2018 and ~~2014,~~2017, respectively. The decrease in the common units from December 31, 2017 to December 31, 2018 was attributable to 51,906 common unit redemptions.

The noncontrolling common units may be redeemed by unitholders for cash. Except under certain circumstances, we, at our option, may satisfy the cash redemption obligation with shares of the Company’s common stock on a one-for-one basis. If satisfied in cash, the value for each noncontrolling common unit upon redemption is the amount equal to the average of the closing quoted price per share of the Company’s common stock, par value ~~$0.01~~$.01 per share, as reported on the NYSE for the ten trading days immediately preceding the applicable redemption date. The aggregate value upon redemption of the then-outstanding noncontrolling common units was ~~$112.0~~$126.4 million and ~~$126.8~~$154.5 million as of December 31, ~~2015~~2018 and ~~2014,~~2017, respectively. This redemption value does not necessarily represent the amount that would be distributed with respect to each noncontrolling common unit in the event of our termination or liquidation. In the event of our termination or liquidation, it is expected in most cases that each common unit would be entitled to a liquidating distribution equal to the liquidating distribution payable in respect of each share of the Company’s common stock.

Noncontrolling Interest in Consolidated Property Partnerships

On August 30, 2016, the Operating Partnership entered into agreements with Norges Bank Real Estate Management (“NBREM”) whereby NBREM invested, through two REIT subsidiaries, in two existing companies that owned the Company’s 100 First Street and 303 Second Street office properties located in San Francisco, California. Based on a gross valuation of the properties of approximately $1.2 billion, NBREM contributed a total of $452.9 million, for a 44% common equity interest in the companies, which was net of approximately $55.3 million of its proportionate share of the existing mortgage debt on 303 Second Street as of the transaction date. In November 2017, NBREM contributed $54.4 million to fund their proportionate share of the Company’s repayment of this mortgage debt.

The transaction was structured with a staggered closing. On August 30, 2016, the first tranche of the transaction closed and NBREM contributed $191.4 million plus a working capital contribution of $2.1 million for a 44% common ownership interest in 100 First LLC. On November 30, 2016, the second tranche of the transaction closed and NBREM contributed $261.5 million, which was net of its proportionate share of the existing mortgage debt secured by the 303 Second Street property of approximately $55.3 million, plus a working capital contribution of $2.9 million for a 44% common ownership interest in 303 Second LLC.

The transactions did not meet the criteria to qualify as sales of real estate because the Company continues to effectively control the properties and therefore continued to account for the 100 First Street and 303 Second Street office properties on a consolidated basis in its financial statements. At formation, the Company accounted for the transactions as equity transactions and recognized noncontrolling interests in its consolidated balance sheets. In connection with the transaction, the Company provides customary property management, leasing and construction management services for both properties. 100 First Street is a 467,095 square foot office tower, and 303 Second Street is a 740,047 square foot office property, both located in the South of Market submarket in San Francisco, California.

The noncontrolling interests in 100 First LLC and 303 Second LLC as of December 31, 2018 and 2017 were $186.4 million and $175.4 million, respectively, which is recognized in noncontrolling interests in consolidated property partnerships on the Company’s consolidated balance sheets. The remaining amount of noncontrolling interests in consolidated property partnerships represents the third party equity interest in Redwood LLC. This noncontrolling interest was $6.0 millionand$6.2 millionas of December 31, 2018 and 2017, respectively.

~~F - 37~~

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

12. Noncontrolling ~~Interest in~~Interests on the Operating Partnership’s Consolidated ~~Subsidiary~~Financial Statements

~~The noncontrolling interest~~Consolidated Property Partnerships

On August 30, 2016, the Operating Partnership entered into agreements with NBREM whereby NBREM invested, through two REIT subsidiaries, in ~~consolidated subsidiary represents~~two existing companies that owned the ~~third party~~Company’s 100 First Street and 303 Second Street office properties located in San Francisco, California. Based on a gross valuation of the two properties of approximately $1.2 billion, NBREM contributed a total of $452.9 million for a 44% common equity interest in ~~Redwood City Partners, LLC. This noncontrolling interest was $6.5~~the companies, which is net of approximately $55.3 million ~~and $5.9~~of its proportionate share of the existing mortgage debt.

In November 2017, the Company repaid the mortgage debt secured by the 303 Second Street office property. Prior to the repayment, NBREM contributed $54.4 million at ~~December 31, 2015~~ ~~and 2014, respectively.~~to fund their proportionate share of the repayment. Refer to Note 11 for additional information regarding these transactions.


~~11.~~13.	Stockholders’ Equity of the Company

Preferred Stock

On August 15, 2017, the Company redeemed all 4,000,000 shares of its 6.375% Series H Cumulative Redeemable Preferred Stock (“Series H Preferred Stock”). The shares of Series H Preferred Stock were redeemed at a redemption price equal to their stated liquidation preference of $25.00 per share, representing $100.0 million in aggregate. The redemption payment did not include any additional accrued dividends because the redemption date was also the dividend payment date.

On March 30, 2017 (the “Series G Redemption Date”), the Company redeemed all 4,000,000 shares of its 6.875% Series G Cumulative Redeemable Preferred Stock (“Series G Preferred Stock”). The shares of Series G Preferred Stock were redeemed at a redemption price equal to their stated liquidation preference of $25.00 per share, representing $100.0 million in aggregate, plus all accrued and unpaid dividends to the Series G Redemption Date.

In connection with the redemption of the Series G and Series H Preferred Stock, during the year ended December 31, 2017 we recorded non-cash charges of $7.6 million as a reduction to net income available to common stockholders for the original issuance costs of the Series H and Series G Preferred Stock.

Common Stock

Forward Equity Offering

On August 8, 2018, the Company entered into forward equity sale agreements with certain financial institutions acting as forward purchasers in connection with an offering of5,000,000 shares of common stock at an initial gross offering price of $360.5 million, or $72.10 per share, before underwriting discounts, commissions and offering expenses. The forward purchasers borrowed and sold an aggregate of 5,000,000 shares of common stock in the offering. The Company did not receive any proceeds from the sale of its shares of common stock by the forward purchasers at the time of the offering. The Company currently expects to fully physically settle the forward sale agreements and receive cash proceeds upon one or more settlement dates, at the Company’s discretion, prior to the final settlement date under the forward sale agreements of August 1, 2019. The forward sale price that we expect to receive upon physical settlement of the agreements, which was initially $71.68 per share, will be subject to adjustment for (i) a floating interest rate factor equal to a specified daily rate less a spread, (ii) the forward purchasers’ stock borrowing costs and (iii) scheduled dividends during the term of the forward equity sale agreements. The full amount of this offering remains available for future settlement as of the date of this filing. Upon issuance of shares, the Company will contribute the net proceeds from these issuances to the Operating Partnership in exchange for an equal number of units in the Operating Partnership.

Common Stock ~~Issuance~~Issuances

In October 2014, the Company issued 351,476 shares of its common stock valued at approximately $21.6 million to partially fund a development acquisition (see Note 3 “Acquisitions” for additional information).

~~In September 2013,~~January 2017, the Company completed an underwritten public offering of ~~6,175,000~~4,427,500 shares of its common stock. The net offering proceeds, after deducting underwriting discounts and offering expenses, were approximately ~~$295.9~~ $308.8

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

million. We used a portion of the ~~net~~ proceeds ~~from~~to partially fund our $1.90 per share of special dividends declared by our Board of Directors in December 2016 and used the ~~offering to fund acquisitions, repay borrowings under the unsecured revolving credit facility, and~~remaining proceeds for general corporate ~~purposes.~~uses, to fund development expenditures and to repay outstanding indebtedness.

At-The-Market Stock Offering ~~Programs~~Program

Under our at-the-market stock offering programs, which commenced in ~~July 2011~~December 2014 and ~~December 2014,~~June 2018 we may offer and sell shares of our common stock from time to time in “at-the-market” offerings. During the year ended December 31, ~~2014,~~2018, the Company completed its existing at-the-market stock offering program (the ~~“July 2011~~“2014 At-The-Market Program”) under which we sold an aggregate of ~~$200.0~~$300.0 million in gross sales ~~price~~ of shares, and in ~~December 2014, we~~June 2018 commenced a new at-the-market stock offering program (the ~~“December 2014~~“2018 At-The-Market Program”) under which we may offer toand sell shares of our common stock with an aggregate gross sales price of up to ~~$300.0~~$500.0 million.

In connection with the 2018 At-The-Market-Program, the Company may, at its discretion, enter into forward equity sale agreements. The use of a forward equity sale agreements would allow the Company to lock in a share price on the sale of shares of our common stock at the time the agreement is executed, but defer receiving the proceeds from the sale of shares until a later date, allowing the Company to better align such funding with its capital needs.

The following table sets forth information regarding sales of our common stock under our at-the-market offering programs for the years ended December 31, 2018, 2017 and 2016:



	Year Ended December 31,
	2018		2017		2016
	(in millions, except share data)
Shares of common stock sold during the period	1,817,195		235,077		451,398
Weighted average price per share of common stock	$	73.64	$	75.40	$	71.50
Aggregate gross proceeds	$	133.8	$	17.7	$	32.3
Aggregate net proceeds after selling commissions	$	132.1	$	17.5	$	31.9

The proceeds from sales were used to fund acquisitions, development expenditures and general corporate purposes including repayment of borrowings under the unsecured revolving credit facility. During the year ended December 31, 2018, under the 2014 At-The-Market Program, we sold 1,369,729 shares of common stock and completed the program. Since commencement of the ~~December 2014~~2018 At-The-Market Program through December 31, ~~2015,~~2018, we have sold ~~2,007,767~~ 447,466shares of common stock, ~~having an aggregate gross sales price~~none of ~~$150.1 million. As of December 31, 2015, shares of common stock having an aggregate gross sales price of up to $149.9~~which were sold under forward equity sale agreements. Approximately $466.2 million ~~remain~~remains available to be sold under this program. Actual future sales will depend upon a variety of factors, including, but not limited to, market conditions, the trading price of the Company’s common stock and our capital needs. We have no obligation to sell the remaining shares available for sale under ~~this~~the 2018 At-The-Market program.

Common Stock Repurchases

On February 23, 2016, the Company’s Board of Directors approved a 4,000,000 share increase to the Company’s existing share repurchase program bringing the total current repurchase authorization to 4,988,025 shares. The ~~following table sets forth information regarding sales~~Company did not repurchase shares of ~~our~~ common stock under ~~our at-the-market offering programs for~~this program during the years endedDecember 31, ~~2015, 2014 and 2013:~~2018 or December 31, 2017. In March 2016, the Company repurchased 52,199 shares of common stock at a weighted average price of $55.45 per share of common stock for $2.9 million. As of December 31, 2018, 4,935,826shares remain eligible for repurchase under the Company’s share repurchase program.

Year Ended December 31,
2015 2014 2013
(in millions, except share data)
Shares of common stock sold during the period 1,866,267
1,599,123
1,040,838
Aggregate gross proceeds $ 140.1
$ 104.7
$ 55.3
Aggregate net proceeds after underwriting discounts $ 138.2
$ 103.1
$ 54.4

~~The proceeds from sales were used to fund acquisitions, development expenditures and general corporate purposes including repayment of borrowings under the unsecured revolving credit facility.~~

~~F - 38~~

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

~~Share Repurchases~~

An aggregate of 988,025 shares currently remain eligible for repurchase under a share-repurchase program approved by the Company’s board of directors in prior periods. The Company did not repurchase shares of common stock under this program during the years ended ~~December 31, 2015~~, ~~2014~~ or ~~2013~~.

Accrued Dividends and Distributions

The following tables summarize accrued dividends and distributions for the noted outstanding shares of common stock ~~preferred stock,~~ and noncontrolling units as of December 31, ~~2015~~2018 and ~~2014~~:2017:


	December 31,				December 31,
	2015		2014		2018		2017
	(in thousands)				(in thousands)
Dividends and Distributions payable to:
Common stockholders	$	32,291	$	30,191	$	45,840	$	41,914
Noncontrolling common unitholders of the Operating Partnership	618		631		922		883
RSU holders⁽¹⁾	427		421		797		651
Total accrued dividends and distribution to common stockholders and noncontrolling unitholders	33,336		31,243		$	47,559	$	43,448
Preferred stockholders	1,656		1,656
Total accrued dividends and distributions	$	34,992	$	32,899

______________________


(1)	The amount includes the value of the dividend equivalents that will be paid with additional RSUs (see Note 1315 “Share-Based Compensation” for additional information).


	December 31,		December 31,
	2015	2014	2018	2017
Outstanding Shares and Units:
Common stock ⁽¹⁾	92,258,690	86,259,684	100,746,988	98,620,333
Noncontrolling common units	1,764,775	1,804,200	2,025,287	2,077,193
RSUs ⁽²⁾	1,269,809	1,248,352	1,711,628	1,488,724
Series G Preferred stock	4,000,000	4,000,000
Series H Preferred stock	4,000,000	4,000,000

______________________


(1)	The amount includes nonvested shares.


(2)	The amount includes nonvested RSUs. Does not include ~~the 425,452~~1,018,337 and ~~247,089~~665,110 market measure-based RSUs because not all the necessary performance conditions have been met as of December 31, ~~2015~~2018 and ~~2014,~~2017, respectively. Refer to Note 15 “Share-Based Compensation” for additional information.

~~F - 39~~


14.	Partners' Capital of the Operating Partnership

Preferred Units

On August 15, 2017, the Company redeemed all 4,000,000 shares of its 6.375% Series H Preferred Stock. For each share of Series H Preferred Stock that was outstanding, the Company had an equivalent number of 6.375% Series H Preferred Units (“Series H Preferred Units”) outstanding with substantially similar terms as the Series H Preferred Stock. In connection with the redemption of the Series H Preferred Stock, the Series H Preferred Units held by the Company were redeemed by the Operating Partnership.

On March 30, 2017, the Company redeemed all 4,000,000 shares of its 6.875% Series G Preferred Stock. For each share of Series G Preferred Stock that was outstanding, the Company had an equivalent number of 6.875% Series G Preferred Units (“Series G Preferred Units”) outstanding with substantially similar terms as the Series G Preferred Stock. In connection with the redemption of the Series G Preferred Stock, the Series G Preferred Units held by the Company were redeemed by the Operating Partnership.

In connection with the redemption of the Series G and Series H Preferred Stock, during the year ended December 31, 2017 we recorded non-cash charges of $7.6 million as a reduction to net income available to common unitholders for the original issuance costs of the Series H and Series G Preferred Stock.

Common Units

Issuance of Common Units

In January 2017, the Company completed an underwritten public offering of 4,427,500 shares of its common stock (see Note 13 “Stockholders’ Equity of the Company”). The net offering proceeds of approximately $308.8 million were contributed by the Company to the Operating Partnership in exchange for 4,427,500 common units.

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)


~~12.~~	~~Preferred and Common Units of the Operating Partnership~~

~~Common Units~~

~~Issuance of Common Units~~

In July 2015, the Company completed the sale and issuance of 3,773,766 shares of its common stock at a price of $66.19 per share for aggregate gross proceeds of $249.8 million and aggregate net proceeds after offering costs of $249.6 million through a registered direct placement with an institutional investor (see Note 11 “Stockholders’ Equity of the Company” for additional information). The net offering proceeds were contributed by the Company toMarch 2016, the Operating Partnership issued 867,701 common units in ~~exchange for 3,773,766~~connection with a development acquisition. Each common ~~units.~~

~~In October 2014,~~unit was valued at $55.36, which was based on a trailing ten-day average of the ~~Company issued 351,476 shares~~closing quoted price per share of ~~its~~the Company’s common stock, ~~to partially fund $21.6 million of a development acquisition (see Note 11 “Stockholders’ Equity of~~par value $.01 per share, as reported on the ~~Company” for additional information). The development acquisition property was contributed by~~NYSE, as calculated in accordance with the ~~Company to the Operation~~ Partnership ~~in exchange for 351,476 common units.~~

In September 2013, the Company completed an underwritten public offering of 6,175,000 shares of its common stock (see Note 11 “Stockholders’ Equity of the Company” for additional information). The net offering proceeds of approximately $295.9 million were contributed by the Company to the Operating Partnership in exchange for 6,175,000 common units.Agreement.

At-The-Market Stock Offering Program

During the years ended December 31, ~~2015, 2014~~2018, 2017 and ~~2013,~~2016, the Company utilized its at-the-market stock offering programs to issue shares of common stock (see Note 1113 “Stockholders’ Equity of the Company” for additional information). The net offering proceeds and property acquired using net offering proceeds ~~were~~ contributed by the Company to the Operating Partnership in exchange for common units for the years ended December 31, ~~2015, 2014~~2018, 2017 and ~~2013~~2016 are as follows:


	Year Ended December 31,						Year Ended December 31,
	2015		2014		2013		2018		2017		2016
	(in millions, except share and per share data)						(in millions, except share and per share data)
Shares of common stock contributed by the Company	1,866,267		1,599,123		1,040,838		1,817,195		235,077		451,398
Common units exchanged for share of common stock by the Company	1,866,267		1,599,123		1,040,838
Common units exchanged for shares of common stock by the Company							1,817,195		235,077		451,398
Aggregate gross proceeds	$	140.1	$	104.7	$	55.3	$	133.8	$	17.7	$	32.3
Aggregate net proceeds after underwriting discounts	$	138.2	$	103.1	$	54.4
Aggregate net proceeds after selling commissions							$	132.1	$	17.5	$	31.9

Common Units Outstanding

The following table sets forth the number of common units held by the Company and the number of common units held by non-affiliated investors and certain of our executive officers and directors in the form of noncontrolling common units as well as the ownership interest held on each respective date:


	December 31, 2015		December 31, 2014		December 31, 2018		December 31, 2017
Company owned common units in the Operating Partnership	92,258,690		86,259,684		100,746,988		98,620,333
Company owned general partnership interest	98.1	%	98.0	%	98.0	%	97.9	%
Noncontrolling common units of the Operating Partnership	1,764,775		1,804,200		2,025,287		2,077,193
Ownership interest of noncontrolling interest	1.9	%	2.0	%	2.0	%	2.1	%

For a further discussion of the noncontrolling common units during the years ended December 31, ~~2015~~2018 and ~~2014,~~2017, refer to Note 1011 “Noncontrolling Interests on the Company’s Consolidated Financial ~~Statements”.~~Statements.”

~~F - 40~~

~~KILROY REALTY CORPORATION AND KILROY REALTY, L.P.~~

~~NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)~~

Accrued Distributions

The following tables summarize accrued distributions for the noted common ~~and preferred~~ units as of December 31, ~~2015~~2018 and ~~2014~~:2017:


	December 31, 2015		December 31, 2014		December 31, 2018		December 31, 2017
	(in thousands)				(in thousands)
Distributions payable to:
General partner	$	32,291	$	30,191	$	45,840	$	41,914
Common limited partners	618		631		922		883
RSU holders ⁽¹⁾	427		421		797		651
Total accrued distributions to common unitholders	33,336		31,243		$	47,559	$	43,448
Preferred unitholders	1,656		1,656
Total accrued distributions	$	34,992	$	32,899

______________________


(1)	The amount includes the value of the dividend equivalents that will be paid with additional RSUs (see Note 1315 “Share-Based Compensation” for additional information).

December 31, 2015 December 31, 2014
Outstanding Units:
Common units held by the general partner 92,258,690
86,259,684
Common units held by the limited partners 1,764,775
1,804,200
RSUs ⁽¹⁾
1,269,809
1,248,352
Series G Preferred units 4,000,000
4,000,000
Series H Preferred units 4,000,000
4,000,000

~~______________________~~


~~(1)~~	~~Does not include the 425,452 and 247,089 market measure-based RSUs because not all the necessary performance conditions have been met as of December 31, 2015 and 2014, respectively.~~

~~F - 41~~

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

~~13.~~



	December 31, 2018	December 31, 2017
Outstanding Units:
Common units held by the general partner	100,746,988	98,620,333
Common units held by the limited partners	2,025,287	2,077,193
RSUs ⁽¹⁾	1,711,628	1,488,724

______________________


(1)	Does not include 1,018,337 and 665,110 market measure-based RSUs because not all the necessary performance conditions have been met as of December 31, 2018 and 2017, respectively. Refer to Note 15 “Share-Based Compensation” for additional information.

15. Share-Based and Other Compensation

Stockholder Approved Share-Based Incentive Compensation Plan

As of December 31, ~~2015~~2018, we maintained one share-based incentive compensation plan, the Kilroy Realty 2006 Incentive Award Plan, as amended (the “2006 Plan”). AtThe Company has a currently effective registration statement registering 9.2 million shares of our ~~annual meeting of stockholders on May 21, 2015, stockholders approved an amendment and restatement of the~~common stock for possible issuance under our 2006 ~~Plan, which included an increase in the maximum number of shares that may be issued or awarded under the 2006 Plan to 8,320,000 shares.~~Incentive Award Plan. As of December 31, ~~2015~~2018, ~~1,686,608~~approximately 0.6 million shares were available for grant under the 2006 Plan. The calculation of shares available for grant is presented after taking into account a reserve for a sufficient number of shares to cover the vesting and payment of 2006 Plan awards that were outstanding on that date, including performance-based vesting awards at (i) levels actually achieved for the performance conditions (as defined below) for which the performance period has been completed and (ii) at ~~target~~maximum levels for the other performance and market conditions (as defined below) ~~applicable to these awards.~~for awards still in a performance period.

The Executive Compensation Committee ~~( the~~(the “Compensation Committee”) of the Company's Board of Directors may grant the following share-based awards to eligible individuals, as provided under the 2006 Plan: incentive stock options, nonqualified stock options, restricted stock (nonvested shares), stock appreciation rights, performance shares, performance stock units, dividend equivalents, stock payments, deferred stock, restricted stock units (“RSUs”), profit interest units, performance bonus awards, performance-based awards and other incentive awards. For each award granted under our share-based incentive compensation programs, the Operating Partnership simultaneously issues to the Company a number of common units equal to the number of shares of common stock ultimately paid by the Company in respect of such awards.

~~All~~2018, 2017 and 2016 Share-Based Compensation Grants

In connection with entering into an amended employment agreement (the “Amended Employment Agreement”), on December 27, 2018, the Compensation Committee of ~~our outstanding share-based awards issued prior to 2007 were issued under~~ the ~~1997 Stock Option and Incentive Plan (the “1997 Plan”), which was terminated by our~~Company’s Board of Directors ~~in September 2006. Any awards that were outstanding upon~~awarded John Kilroy, the ~~termination~~Chairman of the ~~1997 Plan continued in effect in accordance with~~Board of Directors, Chief Executive Officer and President of the ~~terms of such plan~~Company and the ~~applicable award agreement following termination~~Operating Partnership 483,871 RSUs, providing an additional retention incentive during the term of the ~~1997 Plan.~~agreement and enticing Mr. Kilroy to delay his retirement. Of these RSUs awarded, 266,130 RSUs (at the target level of performance) are subject to market-based vesting requirements and 217,741 RSUs are subject to time-based vesting requirements. In addition to Mr. Kilroy’s award, the Compensation Committee of the Company’s Board of Directors awarded 161,290 RSUs to certain members of management. Of these RSUs awarded, 80,647 RSUs (at the target level of performance) are subject to market-based vesting requirements (together totaling 346,777 target RSUs with Mr. Kilroy’s award, the “December 2018 Market-Based RSUs”) and 80,643 RSUs are subject to time-based vesting requirements (together totaling 298,384 RSUs with Mr. Kilroy’s award, the “December 2018 Time-Based RSUs”).

~~Stock Award Deferral Program~~

~~We have a Stock Award Deferral Program (the “RSU Program”)~~In January and February 2018, the Executive Compensation Committee of the Company’s Board of Directors awarded 282,038 RSUs to certain officers of the Company under the 2006 ~~Plan. Under~~Plan, which included 158,205 RSUs (at the ~~RSU Program, participants may defer receipt~~target level of ~~awards of nonvested shares~~performance) that may be granted by electing to receive an equivalent number of RSUs in lieu of such nonvested shares, or defer payment of RSU awards. Each RSU represents the right to receive one share of our common stock in the future and isare subject to ~~the same~~market and/or performance-based vesting ~~conditions~~requirements (the “2018 Performance-Based RSUs”) and 123,833 RSUs that ~~would have applied if the award had been issued in nonvested shares.~~are subject to time-based vesting requirements (the “2018 Time-Based RSUs”). Additionally, during 2018, 14,999 RSUs ~~carry with them the right to receive dividend equivalents such that participants receive additional RSUs at the time dividends are paid equal~~were granted to the ~~value~~board of the dividend earned on the shares underlying the participant’s RSUs. The dividend equivalents earned vest based on terms specified under the related RSU award agreement. Shares issued upon settlementdirectors and certain members of vested RSUs, including RSUs paid on dividend equivalents, are distributed in a single lump sum distribution upon the earlier of (1) the date specified by the participant when the election is made or (2) occurrence of certain other events specified under the RSU program.management subject to time vesting requirements.

~~Share-Based~~In February 2017, the Executive Compensation ~~Programs~~

~~The Compensation~~ Committee ~~has historically awarded nonvested shares and RSUs under the share-based compensation programs described below. These share-based awards were valued based on the quoted closing share price~~ of the Company’s ~~common stock on~~Board of Directors awarded 229,976 RSUs to certain officers of the ~~NYSE on~~Company under the ~~applicable grant date. Prior~~2006 Plan, which included 130,956 RSUs (at the target level of performance) that are subject to ~~2014, the Compensation Committee awarded annual long-term equity awards~~time-based, market-measure based ~~primarily on the prior year’s performance, however, starting in January 2014, such annual awards have been granted as an incentive for the year in which the awards were granted~~ and ~~subsequent years.~~performance-based vesting requirements (the

~~Executive Officer and Key Employee Share-Based Compensation Programs~~

The Compensation Committee has annually approved compensation programs that include the potential issuance of share-based awards to our executive officers and other key employees as part of their annual and long-term incentive compensation. The share-based awards are generally issued in the first quarter after the end of our prior fiscal year.

~~F - 42~~

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

~~The share-based awards generally have a service vesting period, which has historically ranged from~~ ~~one~~ to ~~five~~ ~~years, depending on the type of award.~~

~~Non-Employee Board Member Share-Based Compensation Program~~

~~The Board~~“2017 Performance-Based RSUs”) and 99,020 RSUs that are subject to time-based vesting requirements (the “2017 Time-Based RSUs”). Additionally, during 2017, 43,081 RSUs were granted to the board of ~~Directors awards nonvested shares or nonvested RSUs~~directors and certain members of management subject to non-employee board members on an annual basis as part of such board members’ annual compensation and to newly elected non-employee board members in accordance with our Board of Directors compensation program. The share-based awards are generally issued in the second quarter, and the individual share awards vest in equal annual installments over the applicable servicetime vesting ~~period, which will be one year for the annual non-employee board awards and four years for the awards relating to newly elected non-employee board members.~~

~~2015 and 2014 Share-Based Compensation Grants~~requirements.

On January ~~27, 2015 (the “2015 RSU Grant Date”),~~28, 2016, the Executive Compensation Committee of the Company’s Board of Directors awarded ~~212,468~~294,821 RSUs to certain officers of the Company under the 2006 Plan, which included ~~127,657~~168,077 RSUs (at the target level of performance)~~, or 60%,~~ that are subject to time-based, ~~market~~market-measure based and performance-based vesting requirements ~~(each a “2015~~(the “2016 Performance-Based ~~RSU” and collectively, the “2015 Performance-Based RSU Grant”~~RSUs”) and ~~84,811 RSUs, or 40%, that are subject to time-based vesting requirements (each a “2015 Time-Based RSU” and collectively, the “2015 Time-Based RSU Grant”).~~

On January 29, 2014 (the “2014 RSU Grant Date”), the Compensation Committee of the Company’s Board of Directors awarded 236,604 RSUs to certain officers of the Company under the 2006 Plan, which included 119,098 RSUs that are subject to time-based, market and performance-based vesting requirements (each a “2014 Performance-Based RSU” and collectively, the “2014 Performance-Based RSU Grant”) and 117,506126,744 RSUs that are subject to time-based vesting requirements ~~(each a “2014~~(“2016 Time-Based ~~RSU”~~RSUs”). Additionally, during 2016, 47,003 RSUs were granted to the board of directors and ~~collectively, the “2014 Time-Based~~certain members of management subject to time vesting requirements.

December 2018 Market-Based RSU ~~Grant”). As~~Grant

Between 0% and 200% of the ~~2014 RSU Grant Date, an insufficient~~total 346,777 target number of ~~shares were available under~~December 2018 Market-Based RSUs will be eligible to vest based on the 2006 Plan to settle these RSUs in stock and the RSUs were subject to liability accounting. At our annual meeting of stockholders on May 22, 2014, we received stockholder approval for an increase in the maximum number of shares that may be issued or awarded under the 2006 Plan, which resulted in a sufficient number of shares available for issuance to cover settlement of these RSU awards. As a result, as of May 22, 2014 we reclassified these awards as equity awards and re-measured the fair value of the awards as of that date.

~~2015 and 2014 Performance-Based RSU Grants~~

The 2015 Performance-Based RSUs and 2014 Performance-Based RSUs (collectively, the “Performance-Based RSUs”) are scheduled to cliff vest at the end of a three-year service period subject to the compensation committee's determination that the Company has achieved the pre-defined FFO per share goals (the “performance conditions”) and upon the average annualCompany’s relative total ~~stockholder~~shareholder return (“TSR”) versus a ~~comparator~~comparative group of ~~Companies~~companies that consist of ~~Companies~~companies in the SNL US REIT Office Index ~~(the “market conditions”) for~~over the ~~three-year periods detailed in the table below. The number of Performance-Based RSUs ultimately earned, and therefore the compensation costs for these awards, can fluctuate from the original~~performance period. An initial number of RSUs ~~granted~~(the “Initial Number of RSUs”) will be determined at the end of 2021 based ~~upon~~on a three-year performance period (2019 through 2021). Once the ~~levels~~Initial Number of ~~achievement for both the FFO per share and relative total stockholder return metrics. During the 2015 and 2014 performance periods, the estimate~~RSUs is determined, 75% of the ~~number~~Initial Number of RSUs ~~earned were evaluated quarterly based~~will be scheduled to vest on ~~our forecasted level of achievement~~January 5, 2022. The remaining 25% of the ~~FFO per share hurdle. As of December 31, 2015, the FFO per share hurdle performance conditions were achieved at 1.5x target for both awards. As a result, the number~~Initial Number of RSUs ~~earned as of that date~~will be scheduled to vest on January 5, 2023, subject to adjustment based on the ~~FFO per share~~Company’s relative TSR for the entire four-year performance ~~excluding~~period (2019 through 2022). The December 2018 Market-Based RSUs are also subject to service vesting requirements through the ~~impact of forfeitures, was as follows:~~

2015 Performance-Based RSU Grant 2014 Performance-Based RSU Grant
Service vesting period December 31, 2017
December 31, 2016
Target RSUs granted 127,657
119,098
Estimated RSUs earned based on FFO per share performance condition 185,510
178,650
Date of fair valuation January 27, 2015
May 22, 2014

~~F - 43~~

scheduled vest dates.

~~KILROY REALTY CORPORATION AND KILROY REALTY, L.P.~~

~~NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)~~

Each ~~Performance-Based~~December 2018 Market-Based RSU represents the right to receive one share of our common stock in the future, subject to, and as modified by, the ~~Company's~~Company’s level of achievement of the applicable market ~~condition.~~conditions. The December 27, 2018 grant date fair value of the ~~2015 Performance-Based RSU Grant~~December 2018 Market-Based RSUs was ~~$10.1 million at January 27, 2015 and the fair value of the 2014 Performance-Based RSU Grant was $7.7 million at May 22, 2014.~~$23.8 million. The fair value ~~for each grant~~ was calculated using a Monte Carlo simulation pricing model based on the assumptions in the table below. The determination of the fair value of the Performance-Based RSU Grants take into consideration the likelihood of achievement of both the performance condition and the market condition discussed above. For the year ended December 31, ~~2015,~~2018, we recorded compensation expense ~~for the 2015 Performance-Based RSU Grant~~ based upon the ~~$78.55~~$68.66 grant date fair value per share at January 27, 2015 multiplied by the 185,510 RSUs estimated to be earned at December 31, 2015 (which is net of forfeitures). For the years ended December 31, 2015 and 2014, we recorded compensation expense for the 2014 Performance-Based RSU Grant based upon the $65.03 fair value per share at May 22, 2014 multiplied by the 178,650 RSUs, excluding the impact of forfeitures, estimated to be earned at December 31, 2014.share. Compensation expense for the ~~Performance-Based~~December 2018 Market-Based RSUs is ~~recorded~~recognized using a graded vesting approach, where 75% of the fair value will be recognized on a straight-line basis over the ~~respective~~ three-year ~~periods.~~initial performance period through the end of 2021, and the remaining 25% of the fair value will be recognized on a straight-line basis over the four-year final performance period through the end of 2022. The following table summarizes the assumptions utilized in the Monte Carlo simulation pricing models:

2015 Award Fair Value Assumptions 2014 Award Fair Value Assumptions
Valuation date January 27, 2015 May 22, 2014
Fair value per share on valuation date $78.55 $65.03
Expected share price volatility 20.00% 24.00%
Risk-free interest rate 0.92% 0.61%
Remaining expected life 2.9 years 2.6 years



		December 2018 Market-Based RSU Award Fair Value Assumptions
Valuation date		December 27, 2018
Fair value per share on valuation date		$68.66
Expected share price volatility		23.0%
Risk-free interest rate		2.4%

The computation of expected volatility was based on a blend of the historical volatility of our shares of common stock over ~~approximately five years, as this is expected to be most consistent with future volatility and equates to~~ a ~~time~~ period of twice ~~as long as~~ the ~~approximate two and a half year remaining~~ performance period ~~of the RSUs~~ and implied volatility data based on the observed pricing of six month publicly-traded options on shares of our common stock. The risk-free interest rate was based on the yield curve on zero-coupon U.S. Treasury STRIP securities in effect at ~~January~~December 27, ~~2015 and May 22, 2014.~~2018.

~~2015~~2018, 2017 and ~~2014~~2016 Annual Performance-Based RSU Grants

The 2018 Performance-Based RSUs are scheduled to vest at the end of a three-year period (consisting of calendar years 2018-2020). A target number of 2018 Performance-Based RSUs were awarded, and the final number of 2018 Performance-Based RSUs that vest (which may be more or less than the target number) will be based upon (1) the achievement of pre-set FFO per share goals for the year ending December 31, 2018 that applies to 100% of the Performance-Based RSUs awarded (the “2018 FFO Performance Condition”) and (2) a performance measure that applies to 50% of the award based upon a measure of the Company’s average debt to EBITDA ratio for the three-year performance period (the “2018 Debt to EBITDA Ratio Performance Condition” and together with the 2018 FFO Performance Condition, the “2018 Performance Conditions”) and a market measure that applies to the other 50% of

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

the award based upon the relative ranking of the Company’s TSR for the three-year performance period compared to the TSR of an established comparison group of companies over the same period (the “2018 Market Condition”). The 2018 Performance-Based RSUs are also subject to a three-year service vesting provision and are scheduled to cliff vest on the date the final vesting percentage is determined following the end of the three-year performance period under the awards. The 2018 FFO Performance Condition was achieved 175% of target for one participant and 150% of target for all other participants. The number of 2018 Performance-Based RSUs ultimately earned could fluctuate from the current estimated number of 2018 Performance-Based RSUs granted based upon the levels of achievement for the 2018 Debt to EBITDA Ratio Performance Condition, the 2018 Market Condition and the extent to which the service vesting condition is satisfied.

The 2017 Performance-Based RSUs are scheduled to cliff vest at the end of a three-year period (consisting of calendar years 2017-2019) based upon (1) the achievement of pre-defined FFO per share goals for the year ended December 31, 2017 that applies to 100% of the 2017 Performance-Based RSUs awarded (the “2017 FFO Performance Condition”) and (2) also based upon either the average FAD per share growth that applies to 30% of the award or the Company’s average debt to EBITDA ratio that applies to a separate 30% of the award (together, the “Other 2017 Performance Conditions” and together with the 2017 FFO Performance Condition, the “2017 Performance Conditions”) or the relative TSR versus a comparative group of companies that consist of companies in the SNL US REIT Office Index that applies to the remaining 40% of the award (the “2017 Market Condition”) for the three-year period ending December 31, 2019. The 2017 FFO Performance Condition was achieved at a weighted average of approximately 131% of target for the 2017 Performance-Based RSUs. The number of 2017 Performance-Based RSUs ultimately earned could fluctuate from the current estimated number of 2017 Performance-Based RSUs granted based upon the levels of achievement for the Other 2017 Performance Conditions, the 2017 Market Condition and the extent to which the service vesting condition is satisfied.

The 2016 Performance-Based RSUs are also scheduled to cliff vest at the end of a three-year service period based upon the achievement of pre-defined FFO per share goals for the year ended December 31, 2016 (the “2016 Performance Condition”) and also upon the average annual relative total stockholder return versus a comparative group of companies that consist of companies in the SNL US REIT Office Index (the “2016 Market Condition”) for the three-year period ending December 31, 2018. Based upon the combined results of the final 2016 Performance Condition and 2016 Market Condition, the 2016 Performance-Based RSUs achieved 144% of their target level of performance.

As of December 31, 2018, the estimated number of RSUs earned for the 2018 and 2017 Performance-Based RSUs and the actual number of RSUs earned for the 2016 Performance-Based RSUs was as follows:



	2018 Performance-Based RSUs	2017 Performance-Based RSUs	2016 Performance-Based RSUs
Service vesting period	February 14, 2018 - January, 2021	February 24, 2017 - January, 2020	January 28, 2016 - January, 2019
Target RSUs granted	158,205	130,956	168,077
Estimated RSUs earned ⁽¹⁾	254,235	170,994	241,438
Date of valuation	February 14, 2018	February 24, 2017	January 28, 2016

_______________

(1)

Estimated RSUs earned for the 2018 Performance-Based RSUs are based on the actual achievement of the 2018 FFO Performance Condition and assumes target level achievement of the 2018 Debt to EBITDA Ratio Performance Condition and the 2018 Market Condition. Estimated RSUs earned for the 2017 Performance-Based RSUs are based on the actual achievement of the 2017 FFO Performance Condition and assume target level achievement of the 2017 Market Condition and Other 2017 Performance Conditions. The 2016 Performance-Based RSUs earned are based on actual performance of the 2016 Performance Condition and the 2016 Market Condition.

Each Performance-Based RSU represents the right to receive one share of our common stock in the future, subject to, and as modified by, the Company’s level of achievement of the applicable performance and market conditions. The fair values of the 2018 Performance-Based RSUs, 2017 Performance-Based RSUs and 2016 Performance-Based RSUs were $10.8 million at February 14, 2018, $10.3 million at February 24, 2017 and $9.6 million at January 28, 2016, respectively. The fair values for the awards with market conditions were calculated using a Monte Carlo simulation pricing model based on the assumptions in the table below. The determination of the fair value of the 2018, 2017 and 2016 Performance-Based RSUs takes into consideration the likelihood of achievement of the 2018, 2017 and 2016 Performance Conditions and the 2018, 2017 and 2016 Market Conditions, respectively, as discussed above. The following table summarizes the assumptions utilized in the Monte Carlo simulation pricing models:

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)



	2018 Award Fair Value Assumptions	2017 Award Fair Value Assumptions	2016 Award Fair Value Assumptions
Valuation date	February 14, 2018	February 24, 2017	January 28, 2016
Fair value per share on valuation date	$70.08	$80.89	$57.08
Expected share price volatility	20.00%	21.00%	26.00%
Risk-free interest rate	2.37%	1.39%	1.13%

The computation of expected volatility was based on a blend of the historical volatility of our shares of common stock over a period of twice the remaining performance period as of the grant date and implied volatility data based on the observed pricing of six month publicly-traded options on shares of our common stock. The risk-free interest rate was based on the yield curve on zero-coupon U.S. Treasury STRIP securities in effect at February 14, 2018, February 24, 2017 and January 28, 2016.

Compensation expense for the Performance-Based RSUs is recognized on a straight-line basis over the requisite service period for each participant, which is generally the three-year service period. However, for one participant there was a shorter service period for their 2017 and 2018 Performance-Based RSUs. As of December 31, 2018, the number of 2018 Performance-Based RSUs estimated to be earned based on the Company’s estimate of the performance conditions measured against the applicable goals was 254,235, and the compensation cost recorded to date for this program was based on that estimate. For the portion of the 2018 Performance-Based RSUs subject to the 2018 Market Condition, for the year ended December 31, 2018, we recorded compensation expense based upon the $70.08 fair value per share at February 14, 2018. Compensation expense will be variable for the portion of the 2018 Performance-Based RSUs subject to the 2018 Debt to EBITDA Ratio Performance Condition, based upon the outcome of that condition. As of December 31, 2018, the number of 2017 Performance-Based RSUs estimated to be earned based on the Company’s estimate of the performance conditions measured against the applicable goals was 170,994, and the compensation cost recorded to date for this program was based on that estimate. For the portion of the 2017 Performance-Based RSUs subject to the 2017 Market Condition, for the years ended December 31, 2018 and 2017, we recorded compensation expense based upon the $80.89 fair value per share at February 24, 2017. Compensation expense will be variable for the portion of the 2017 Performance-Based RSUs subject to the Other 2017 Performance Conditions, based upon the outcome of those conditions. For the years ended December 31, 2018, 2017 and 2016, we recorded compensation expense for the 2016 Performance-Based RSUs based upon $57.08 fair value per share at January 28, 2016 multiplied by the 241,438 RSUs, which is net of forfeitures, estimated to be earned at December 31, 2016.

December 2018 and Annual 2018, 2017 and 2016 Time-Based RSU Grants

The ~~2015~~annual 2018, 2017 and ~~2014~~2016 Time-Based RSUs ~~(collectively, the “Time-Based RSUs”)~~ are scheduled to vest in equal installments over the periods listed below. The December 2018 Time-Based RSUs are scheduled to vest 50% on January 5, 2022 and 50% on January 5, 2023. Compensation expense for the December 2018 and annual 2018, 2017 and 2016 Time-Based RSUs ~~will be~~is recognized on a straight-line basis ~~from~~over the ~~grant date through~~requisite service period, which is generally the ~~continued~~explicit service ~~vesting periods.~~period. However, for one participant there was a shorter service period for their 2017 and 2018 Time-Based RSUs. Each Time-Based ~~RSUs~~RSU represents the right to receive one share of our common stock in the future, subject to continued employment through the applicable vesting date. The total fair value of the Time-Based RSUs is based on the Company's closing share price on the NYSE on the respective fair valuation dates as detailed in the table below:


	2015 Time-Based RSU Grant		2014 Time-Based RSU Grant		December 2018 Time-Based RSU Grant		2018 Time-Based RSU Grant⁽¹⁾		2017 Time-Based RSU Grant⁽²⁾		2016 Time-Based RSU Grant
Service vesting period	January 5, 2016 - January 5, 2018		January 5, 2015 - January 5, 2018		December 27, 2018 - January 5, 2023		January & February 2018 - January 5, 2021		February 2017 - January 5, 2020		January 28, 2016 - January 5, 2019
Fair value on valuation date (in millions)	$	6.4	$	7.1	$	18.5	$	8.4	$	7.5	$	7.1
Fair value per share	$	75.34	$	60.16	$	62.00	$	70.37	$	73.30	$	56.23
Date of fair valuation	January 27, 2015		May 22, 2014		December 27, 2018		January & February 2018		February 2017		January 28, 2016

_______________

~~F - 44~~


(1)	The 2018 Time-Based RSUs consist of 56,015 RSUs granted on January 29, 2018 at a fair value per share of $70.37 and 67,818 RSUs granted on February 14, 2018 at a fair value per share of $66.46.


(2)	The 2017 Time-Based RSUs consist of 41,119 RSUs granted on February 3, 2017 at a fair value per share of $73.30 and 57,901 RSUs granted on February 24, 2017 at a fair value per share of $77.16.

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

Summary of Performance and Market-Measure Based RSUs

A summary of our performance and market-measure based RSU activity from January 1, ~~2015~~2018 through December 31, ~~2015~~2018 is presented below:

Nonvested RSUs Vested RSUs Total RSUs
Amount
Weighted-Average
Fair Value
Per Share ⁽¹⁾

Outstanding at January 1, 2015 247,089
$ 58.77
—
247,089
Granted 191,483
79.25
—
191,483
Issuance of dividend equivalents ⁽²⁾
6,347
70.47
—
6,347
Forfeited (19,467 ) 69.20
—
(19,467 )
Outstanding as of December 31, 2015 ⁽³⁾
425,452
$ 67.68
—
425,452



	Nonvested RSUs				Vested RSUs		Total RSUs
	Amount		Weighted-Average Fair Value Per Share ⁽¹⁾		Vested RSUs		Total RSUs
Outstanding at January 1, 2018	665,110		$	68.83	55,672		720,782
Granted	601,012		68.51		1,067		602,079
Vested	(261,875	)	74.25		261,875		—
Settled ⁽²⁾					(285,818	)	(285,818	)
Issuance of dividend equivalents ⁽³⁾	14,090		71.75		2,976		17,066
Forfeited	—				(11	)	(11	)
Outstanding as of December 31, 2018 ⁽⁴⁾	1,018,337		$	67.29	35,761		1,054,098

_______________


(1)	Represents the grant-date fair value for all awards, excluding the 2014 Performance-Based RSU ~~Grant. As discussed above, the 2014 Performance-Based RSU~~ Grant, which was re-measured upon stockholder approval of the amended 2006 Plan on May 22, 2014, as an insufficient number of shares were available to settle these RSUs upon initial grant on January 29, 2014.

(2)

Represents vested RSUs that were settled in shares of the Company’s common stock. Total shares settled include 139,933 shares that were tendered in accordance with the terms of the 2006 Plan to satisfy minimum statutory tax withholding requirements related to the RSUs settled. We accept the return of RSUs at the current quoted closing share price of the Company’s common stock to satisfy tax obligations.


(3)	Represents the issuance of dividend equivalents earned on the underlying RSUs. The dividend equivalents vest based on terms specified under the related RSU award agreement.

~~(3)~~(4)

Outstanding RSUs as of December 31, ~~2015~~2018 represent the actual achievement of the ~~maximum~~FFO performance conditions and ~~assumed~~assumes target levels for the market and other performance conditions. The number of restricted stock units ultimately earned is subject to change based upon actual performance over the three-year vesting period. Dividend equivalents earned will vest along with the underlying award and are also subject to changes based on the number of RSUs ultimately earned for each underlying award.

A summary of our performance and market-measure based RSU activity for years ended December 31, ~~2015, 2014~~2018, 2017 and ~~2013~~2016 is presented below:



	RSUs Granted			RSUs Vested
Years ended December 31,	Non-Vested RSUs Granted ⁽¹⁾	Weighted-Average Fair Value Per Share ⁽²⁾		Vested RSUs		Total Vest-Date Fair Value (in thousands)
2018	601,012	$	68.51	(265,918	)	$	18,906
2017	170,994	78.97		(194,991	)	14,270
2016	258,393	57.36		(36,914	)	2,788

_______________

(1)

Non-vested RSUs granted during the years ended December 31, 2018 and 2017 are based on the actual achievement of the FFO performance conditions and assumes target level achievement for the market and other performance conditions. Non-vested RSUs granted during the year ended December 31, 2016 are based on the final performance of both the 2016 Performance and Market Conditions, and are non-vested as of December 31, 2018 as they were subject to the Compensation Committee’s confirmation of final performance.


(2)	Represents the grant-date fair value for all awards, excluding the 2014 Performance-Based RSU Grant, which was re-measured upon stockholder approval of the amended 2006 Plan on May 22, 2014, as an insufficient number of shares were available to settle these RSUs upon initial grant on January 29, 2014.

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

Summary of Time-Based RSUs

A summary of our time-based RSU activity from January 1, 2018 through December 31, 2018 is presented below:

RSUs Granted RSUs Vested
Years ended December 31,
Non-Vested
RSUs Granted

Weighted-Average
Fair Value
Per Share ⁽¹⁾
Vested RSUs
Total Vest-Date Fair Value
(in thousands)
2015 191,483
$ 79.25
—
$ —
2014 183,365
64.86
(16,338 ) 1,092
2013 9,542
44.55
(16,338 ) 811



	Nonvested RSUs				Vested RSUs		Total RSUs
	Amount		Weighted Average Fair Value Per Share ⁽¹⁾		Vested RSUs		Total RSUs
Outstanding at January 1, 2018	331,546		$	66.83	1,080,928		1,412,474
Granted	437,216		64.21		—		437,216
Vested	(187,209	)	63.85		187,209		—
Settled ⁽²⁾					(202,536	)	(202,536	)
Issuance of dividend equivalents⁽³⁾	6,316		71.75		26,922		33,238
Forfeited	(1,090	)	70.62		—		(1,090	)
Canceled ⁽⁴⁾					(3,435	)	(3,435	)
Outstanding as of December 31, 2018	586,779		$	65.87	1,089,088		1,675,867

_______________


(1)	Represents the grant-date fair value for all awards, excluding the 2014 Performance-Based RSU ~~Grant. As discussed above, the 2014 Performance-Based RSU~~ Grant, which was re-measured upon stockholder approval of the amended 2006 Plan on May 22, 2014, as an insufficient number of shares were available to settle these RSUs upon initial grant on January 29, 2014.

~~Summary of Time-Based RSUs~~

~~A summary of our time-based RSU activity from January 1, 2015 through December 31, 2015 is presented below:~~

Nonvested RSUs Vested RSUs Total RSUs
Amount Weighted Average Fair Value
Per Share (1)
Outstanding at January 1, 2015 340,997
$ 51.04
907,355
1,248,352
Granted 98,802
74.49
—
98,802
Vested (107,541 ) 49.52
107,541
—
Settled ⁽²⁾
(78,887 ) (78,887 )
Issuance of dividend equivalents⁽³⁾
3,255
70.47
20,705
23,960
Forfeited (17,064 ) 53.50
—
(17,064 )
Canceled ⁽⁴⁾
(5,354 ) (5,354 )
Outstanding as of December 31, 2015 318,449
$ 58.91
951,360
1,269,809

~~_______________~~


~~(1)~~	Represents the grant-date fair value for all awards excluding the 2014 Time-Based RSU Grant. As discussed above, the 2014 Time-Based RSU Grant was re-measured upon stockholder approval of the amended 2006 Plan on May 22, 2014.

~~F - 45~~

~~KILROY REALTY CORPORATION AND KILROY REALTY, L.P.~~

~~NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)~~

(2)

Represents vested RSUs that were settled in shares of the Company’s common stock. Total shares settled include ~~20,042~~85,598 shares that were tendered in accordance with the terms of the 2006 Plan to satisfy minimum statutory tax withholding requirements related to the RSUs settled. We accept the return of RSUs at the current quoted closing share price of the Company’s common stock to satisfy tax obligations.


(3)	Represents the issuance of dividend equivalents earned on the underlying RSUs. The dividend equivalents vest based on terms specified under the related RSU award agreement.


(4)	For shares vested but not yet settled, we accept the return of RSUs at the current quoted closing share price of the Company’s common stock to satisfy minimum statutory tax-withholding requirements related to either the settlement or vesting of RSUs in accordance with the terms of the 2006 Plan.

A summary of our time-based RSU activity for the years ended December 31, ~~2015, 2014~~2018, 2017 and ~~2013~~2016 is presented below:

RSUs Granted RSUs Vested
Year ended December 31,
Non-Vested
RSUs Issued

Weighted-Average Grant Date
Fair Value
Per Share
Vested RSUs
Total Vest-Date Fair Value ⁽¹⁾
(in thousands)
2015 98,802
$ 74.49
(107,541 ) $ 7,528
2014 155,016
59.89
(116,447 ) 6,675
2013 173,758
49.45
(89,873 ) 4,495



	RSUs Granted			RSUs Vested
Year ended December 31,	Non-Vested RSUs Issued	Weighted-Average Grant Date Fair Value Per Share		Vested RSUs		Total Vest-Date Fair Value ⁽¹⁾ (in thousands)
2018	437,216	$	64.21	(214,131	)	$	14,768
2017	142,101	74.91		(228,095	)	16,735
2016	173,747	58.29		(130,784	)	8,438

_______________


(1)	Total fair value of RSUs vested was calculated based on the quoted closing share price of the Company’s common stock on the NYSE on the day of vesting. Excludes the issuance of dividend equivalents earned on the underlying RSUs. The dividend equivalents vest based on terms specified under the related RSU award agreement.

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

Summary of Nonvested Restricted Stock

A summary of our nonvested restricted stock activity from January 1, ~~2015~~2018 through December 31, ~~2015~~2018 is presented below:

Nonvested
Restricted Stock Weighted-Average
Grant Date
Fair Value
Per Share
Outstanding at January 1, 2015 85,061
$ 47.05
Vested ⁽¹⁾
(24,264 ) 46.39
Outstanding as of December 31, 2015 60,797
$ 47.32



	Nonvested Restricted Stock		Weighted-Average Grant Date Fair Value Per Share
Outstanding at January 1, 2018	22,884		$	55.23
Transferred from time-based RSUs	—		—
Vested ⁽¹⁾	(22,884	)	55.23
Outstanding as of December 31, 2018	—		$	—

_______________


(1)	The total shares vested includes ~~10,699~~9,637 shares that were tendered in accordance with the terms of the 2006 Plan to satisfy minimum statutory tax withholding requirements related to the restricted shares that have vested. We accept the return of shares at the current quoted closing share price of the Company’s common stock to satisfy tax withholding obligations.

A summary of our nonvested and vested restricted stock activity for years ended December 31, ~~2015, 2014~~2018, 2017 and ~~2013~~2016 is presented below:

Shares Granted Shares Vested
Years ended December 31,
Nonvested
Shares Issued

Weighted-Average Grant Date
Fair Value
Per Share
Vested Shares
Total Fair Value at Vest Date⁽¹⁾
(in thousands)
2015 —
$ —
(24,264 ) $ 1,725
2014 213
51.35
(25,899 ) 1,323
2013 —
—
(47,291 ) 2,290



	Shares Granted			Shares Vested
Years ended December 31,	Nonvested Shares Issued	Weighted-Average Grant Date Fair Value Per Share		Vested Shares		Total Fair Value at Vest Date⁽¹⁾ (in thousands)
2018	—	$	—	(22,884	)	$	1,652
2017	—	—		(24,261	)	1,781
2016	—	—		(24,262	)	1,527

_______________


(1)	Total fair value of shares vested was calculated based on the quoted closing share price of the Company’s common stock on the NYSE on the date of vesting.

~~Summary of Stock Options~~

On February 22, 2012, the Compensation Committee of the Company granted non-qualified stock options to certain key members of our senior management team, including our Executive Officers, to purchase an aggregate 1,550,000

~~F - 46~~

~~KILROY REALTY CORPORATION AND KILROY REALTY, L.P.~~

~~NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)~~

shares of the Company’s common stock (the “February 2012” Grant) at an exercise price per share equal to $42.61, the closing price of the Company’s common stock on the grant date. The options will vest ratably in annual installments over a five year period, subject to continued employment through the applicable vesting date. The term of each option is ten years from the date of the grant. Dividends will not be paid on vested or unvested options. The options were granted pursuant to the 2006 Plan.

~~The fair value of each stock option granted is estimated on the date of grant using the Black-Scholes option pricing model based on the following assumptions for the February 2012 Grant.~~



	~~February 2012 Option Grant~~
~~Fair value of options granted per share~~	~~$9.20~~
~~Expected stock price volatility~~	~~33.00%~~
~~Risk-free interest rate~~	~~1.35%~~
~~Dividend yield~~	~~3.80%~~
~~Expected life of option~~	~~6.5 years~~

The computation of expected volatility is based on a blend of the historical volatility of our shares of common stock over a time period longer than the expected life of the option and implied volatility data based on the observed pricing of six-month publicly traded options on our shares of common stock. The risk-free interest rate is based on the yield curve on zero-coupon U.S. Treasury STRIP securities in effect at the grant date. The expected dividend yield is estimated by examining the average of the historical dividend yield levels over the expected life of the option and the current dividend yield as of the grant date. The expected life of the options is calculated as the average of the vesting term and the contractual term. During the year ended December 31, 2015, 298,000 stock options vested with a total fair value of $2.7 million. During the year ended ~~December 31, 2014, 304,000 stock options vested with a total fair value of $2.8 million. During the year ended December 31, 2013, 308,000 stock options vested with a total fair value of $2.8 million.~~

~~A summary of our stock option activity related to the February 2012 grant from January 1, 2015 through December 31, 2015 is presented below:~~

Number of Options Exercise Price
Intrinsic Value
(in millions) ⁽¹⁾
Outstanding at December 31, 2014 1,008,000
$ 42.61
$ 26.7
Exercised (342,000 ) 42.61
10.3
Forfeited (56,000 ) 42.61
1.3
Outstanding at December 31, 2015 ⁽²⁾
610,000
$ 42.61
$ 12.6

Options exercisable at December 31, 2015 ⁽³⁾
70,000
$ 42.61
$ 1.4

~~_______________~~


~~(1)~~	The intrinsic value of a stock option is the amount by which the fair value of the underlying stock exceeds the exercise price of an option. The fair value of the underlying stock was determined by using the closing share price on the NYSE on the date of exercise, forfeiture or respective period end.


~~(2)~~	~~As of December 31, 2015, the average remaining life of stock options outstanding was 6.2 years~~


~~(3)~~	~~As of December 31, 2015, the average remaining life of stock options exercisable was approximately 6.2 years.~~

In accordance with the provisions of the 2006 Plan, we allow shares of our common stock to be withheld to satisfy the payment of exercise price and/or minimum statutory tax withholding obligations due upon the exercise of stock options. The value of the shares withheld is calculated based on the closing market price of our common stock on the NYSE on the exercise date. During the year ended December 31, 2015, 62,072 shares were withheld on stock option exercises with an aggregate value of $3.9 million. During the year ended December 31, 2014, 23,664 shares were withheld on stock option exercises with an aggregate value of $1.5 million. The number of shares withheld for taxes during the year ended December 31, 2013 was immaterial to the consolidated financial statements.

~~F - 47~~

~~KILROY REALTY CORPORATION AND KILROY REALTY, L.P.~~

~~NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)~~

Share-Based Compensation Cost Recorded During the Period

The total compensation cost for all share-based compensation programs was ~~$18.9~~$35.9 million, ~~$14.5~~$26.3 million and ~~$9.6~~$26.6 million for the years ended December 31, ~~2015~~2018, ~~2014~~2017 and ~~2013,~~2016, respectively. Of the total share-based compensation costs, ~~$3.3~~$8.0 million, ~~$2.3~~$7.3 million and ~~$0.9~~$5.6 million was capitalized as part of real estate assets and deferred leasing costs for the years ended December 31, ~~2015~~2018, ~~2014~~2017 and ~~2013,~~2016, respectively. As of December 31, ~~2015~~2018, there was approximately ~~$31.2~~$60.5 million of total unrecognized compensation cost related to nonvested incentive awards granted under share-based compensation arrangements that is expected to be recognized over a weighted-average period of ~~1.9~~3.0 years. The remaining compensation cost related to these nonvested incentive awards had been recognized in periods prior to December 31, ~~2015~~2018. The ~~$31.2~~$60.5 million of unrecognized compensation costs does not reflect the future compensation cost related to share-based awards that were granted subsequent to December 31, ~~2015~~2018.

Other Compensation

On December 27, 2018, the Executive Compensation Committee of the Company’s Board approved, and the Company and the Operating Partnership entered into the Amended Employment Agreement with John Kilroy, which amends and supersedes the existing employment agreement dated January 1, 2012. Except as noted below, the Amended Employment Agreement continues Mr. Kilroy’s employment on terms substantially similar to those of the existing employment agreement, with a new term scheduled to continue through December 31, 2023. The Amended Employment Agreement includes a cash retirement benefit of $13.2 million, or $16.2 million for a retirement at or after attaining age 73, with at least twelve months’ advance notice or at or after the end of the term of the agreement. For the year ended December 31, 2018, the Company recognized $12.1 million of compensation expense in general and administrative expenses on the consolidated statement of operations, representing the present value of the potential cash retirement benefit amount that was earned based on prior service.

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)


~~14.~~16.	Employee Benefit Plans

401(k) Plan

We have a retirement savings plan designed to qualify under Section 401(k) of the Code (the “401(k) Plan”). Our employees are eligible to participate in the 401(k) Plan on the first day of the month after three months of service. The 401(k) Plan allows eligible employees (“401(k) Participants”) to defer up to 60% of their eligible compensation on a pre-tax basis, subject to certain maximum amounts allowed by the Code. The 401(k) Plan provides for a matching contribution by the Company in an amount equal to 50 cents of each one dollar of participant contributions up to a maximum of 10% of the 401(k) Participant’s annual salary. 401(k) Participants vest immediately in the amounts contributed by us. For each of the years ended December 31, ~~2015,~~ ~~2014~~,2018, 2017, and ~~2013~~,2016, we contributed ~~$1.1~~$1.5 million ~~$1.0~~, $1.3 million and ~~$0.9~~$1.2 million, respectively, to the 401(k) Plan.

Deferred Compensation Plan

In 2007, we adopted the Deferred Compensation Plan, under which directors and certain management employees may defer receipt of their compensation, including up to 70% of their salaries and up to 100% of their director fees and bonuses, as applicable. In addition, employee participants will receive mandatory Company contributions to their Deferred Compensation Plan accounts equal to 10% of their gross monthly salaries, without regard to whether such employees elect to defer salary or bonus compensation under the Deferred Compensation Plan. Our ~~board of directors~~Board may, but has no obligation to, approve additional discretionary contributions by the Company to Participant accounts. We hold the Deferred Compensation Plan assets in a limited rabbi trust, which is subject to the claims of our creditors in the event of bankruptcy or insolvency.

See Note 1719 “Fair Value Measurements and Disclosures” for further discussion of our Deferred Compensation Plan assets as of December 31, ~~2015~~2018 and ~~2014~~.2017. Our liability of ~~$12.8~~$21.7 million and ~~$11.9~~$20.6 million under the Deferred Compensation Plan was fully funded as of December 31, ~~2015~~2018 and ~~2014~~,2017, respectively.


~~15.~~17.	Future Minimum Rent

We have operating leases with tenants that expire at various dates through ~~2035~~2043 and are either subject to scheduled fixed increases or adjustments in rent based on the Consumer Price Index. Generally, the leases grant tenants renewal options. Leases also provide for additional rents based on certain operating expenses. Future contractual minimum rent under operating leases as of December 31, ~~2015~~2018 for future periods is summarized as follows:


Year Ending	(in thousands)		(in thousands)
2016	$	495,765
2017	482,650
2018	440,367
2019	379,939		$	566,783
2020	311,225		632,875
2021			631,835
2022			620,684
2023			586,371
Thereafter	1,458,333		3,240,143
Total(1)	$	3,568,279	$	6,278,691

______________


(1)	Excludes residential leases and leases with a term of one year or less.


18.	Commitments and Contingencies

~~F - 48~~

General

As of December 31, 2018, we had commitments of approximately $960.1 million, excluding our ground lease commitments, for contracts and executed leases directly related to our operating and development properties.

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)


~~16.~~	~~Commitments and Contingencies~~

~~General~~

~~As of~~ ~~December 31, 2015, we had commitments of approximately $430.1 million, excluding our ground lease commitments, for contracts and executed leases directly related to our operating and development properties.~~

Ground Leases

The following table summarizes our properties that are held subject to long-term noncancellable ground lease obligations and the respective contractual expiration dates:



Property	Contractual Expiration Date ⁽¹⁾
601 108th Ave NE, Bellevue, WA	November 2093
701, 801 and 837 N. 34th Street, Seattle, WA ⁽²⁾	December 2041
1701 Page Mill Road and 3150 Porter Drive, Palo Alto, CA	December 2067
Kilroy Airport Center Phases I, II, and III, Long Beach, CA	July 2084

____________________


(1)	Reflects the contractual expiration date prior to the impact of any extension or purchase options held by the Company.


(2)	The Company has three ~~10 year~~10-year and one ~~45 year~~45-year extension options for this ground lease, which if exercised would extend the expiration date to December 2116.

The minimum commitment under our ground leases as of December 31, ~~2015~~2018 for five years and thereafter is as follows:


Year Ending	(in thousands)		(in thousands)
2016	$	3,144
2017	3,144
2018	3,144
2019	3,144		$	5,154
2020	3,144		5,154
2021			5,154
2022			5,154
2023			5,154
Thereafter	151,738		233,619
Total⁽⁴⁾⁽⁵⁾	$	167,458	$	259,389

________________________


(1)	~~Reflects~~Excludes contingent future rent payments based on gross income or adjusted gross income and reflects the minimum ground lease obligations before the impact of ground lease extension options.

(2)

One of our ground lease obligations is subject to a fair market value adjustment every five years; however, the lease includes ground rent subprotection and infrastructure rent credits which currently limit our annual rental obligations to $1.0 million. The contractual obligations for that ground lease included above assumes the lesser of $1.0 million or annual lease rental obligation in effect as of December 31, ~~2015.~~2018.

(3)

One of our ground lease obligations includes a component which is based on the percentage of gross income that exceeds the minimum ground rent. The minimum rent is subject to increases every five years based on 50% of the average annual percentage rent for the previous five years. ~~Currently, gross income does not exceed the threshold requiring us to pay percentage rent.~~ The contractual obligations for that ~~ground~~ lease included above assume the current annual ground lease ~~rental~~ obligation in effect ~~as of~~at December 31, ~~2015.~~2018 for the remainder of the lease term since we cannot predict future adjustments.

(4)

One of our ground lease obligations is subject to a fair market value adjustment every five years based on a combination of CPI adjustments and third-party appraisals limited to maximum increases annually. The contractual obligations for that lease included above assume the current annual ground lease ~~rental~~ obligation in effect ~~as of~~at December 31, ~~2015.~~2018 for the remainder of the lease term since we cannot predict future adjustments.

(5)

One of our ground lease obligations includes a component which is based on the percentage of adjusted gross income that exceeds the minimum ground rent. The minimum rent is subject to increases every 10 years by an amount equal to 60% of the average annual percentage rent for the previous three years. The contractual obligations for this lease included above assume the current annual ground lease obligation in effect at December 31, 2018 for the remainder of the lease term since we cannot predict future adjustments.

Environmental Matters

We follow the policy of monitoring all of our properties, ~~both~~including acquisition, development, and existing stabilized portfolio properties, for the presence of hazardous or toxic substances. While there can be no assurance that a material environmental liability does not exist,

we are not currently aware of any environmental ~~liabilities~~liability with respect to our stabilized portfolio properties that would have a material adverse effect on our financial condition, results of operations and cash flow, or that we believe would require additional disclosure or the recording of a loss contingency.

As of December 31, ~~2015~~2018 and ~~2014~~,2017, we had accrued environmental remediation liabilities of approximately ~~$20.9~~$83.2 million and ~~$15.5~~$28.3 million, respectively, recorded on our consolidated balance sheets in connection with certain of our in-process and future development ~~acquisitions and related development activities.~~projects. The accrued environmental remediation liabilities represent the remaining costs we estimate we will incur ~~when we commence~~prior to and during the development process at various development acquisition sites. These estimates, which we developed with the assistance of third party experts, consist primarily of the removal of contaminated soil, performing environmental closure activities, constructing remedial systems, and other related costs

~~F - 49~~

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

~~sites. These estimates, which we developed with the assistance of a third party expert, consist primarily of the removal of contaminated soil and other related costs~~ since we are required to dispose of any existing contaminated soil, and sometimes perform other environmental closure or remedial activities, when we develop new ~~office properties~~buildings at these sites.

We record estimated environmental remediation obligations for ~~acquisitions~~acquired properties at the acquisition date when we are aware of such costs and when such costs are probable of being incurred and can be reasonably ~~estimable. Costs incurred in connection with~~estimated. Estimated costs related to development ~~related~~ environmental remediation liabilities are recorded as an increase to the cost of the development project. Actual costs are recorded as a decrease to the liability when incurred. These accruals are adjusted as an increase or decrease to the development project costs and as an increase or decrease to the accrued environmental remediation liability if we obtain further information or circumstances change. The environmental remediation obligations recorded at December 31, ~~2015~~2018 and ~~2014~~2017 were not discounted to their present ~~value~~values since ~~we expect to complete~~ the ~~remediation activities in the next one to five years in connection with development activities at the various sites.~~amount and timing of cash payments are not fixed. It is possible that we could incur additional environmental remediation costs in connection with these ~~recent~~ development ~~acquisitions.~~projects. However, ~~given we are in the very early stages of development, possible~~potential additional environmental costs ~~are not~~for these development projects cannot be reasonably ~~estimable~~estimated at this ~~time.~~ time and certain changes in estimates could occur as the site conditions, final project timing, design elements, actual soil conditions and other aspects of the projects, which may depend upon municipal and other approvals beyond the control of the Company, are determined.

Other than the accrued environmental liabilities ~~recorded in connection with certain of our recent development acquisitions and related development activities,~~discussed above, we are not aware of any unasserted claims and assessments with respect to an environmental liability that we believe would require additional disclosure or the recording of an additional loss contingency.

Litigation

We and our properties are subject to litigation arising in the ordinary course of business. To our knowledge, neither we nor any of our properties are presently subject to any litigation or threat of litigation which, if determined unfavorably to us, would have a material adverse effect on our cash flow, financial condition, or results of operations.

Insurance

We maintain commercial general liability, auto liability, ~~employers~~employers’ liability, umbrella/excess liability, special form property, difference in conditions including earthquake and flood, environmental, rental loss, and terrorism insurance covering all of our properties. Management believes the policy specifications and insured limits are reasonable given the relative risk of loss, the cost of the coverage, and industry practice. We do not carry insurance for generally uninsurable losses such as loss from governmental action, nuclear hazard, and war and military action. Policies are subject to various terms, conditions, and exclusions and some policies may involve large deductibles or co-payments.

~~2013~~ Property Damage Settlement

During the year ended December 31, ~~2013,~~2016, we settled an outstanding ~~matter related to~~ property damage ~~at one of our properties. In connection with this settlement, we~~matter and received cash ~~payments of $5.2 million during the year ended December 31, 2013 and recognized this amount in other property income.~~

~~2013 Settlement with Prior Tenants~~

During the year ended December 31, 2013, we settled an outstanding matter with a prior tenant at one of the properties disposed of in December 2012. In connection with this settlement, we received a net cash payment of $3.7proceeds totaling $5.0 million, which is included in other property income ~~from discontinued operations in~~on our consolidated statements of ~~operations in 2013.~~operations.

~~F - 50~~

~~KILROY REALTY CORPORATION AND KILROY REALTY, L.P.~~

~~NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)~~

~~17.~~19. Fair Value Measurements and Disclosures

Assets and Liabilities Reported at Fair Value

The only assets we record at fair value on our consolidated financial statements are the marketable securities related to our Deferred Compensation Plan (see Note 1416 “Employee Benefit Plans” for additional information). The following table sets forth the fair value of our marketable securities as of December 31, ~~2015~~2018 and ~~2014~~:2017:


	Fair Value (Level 1) ⁽¹⁾				Fair Value (Level 1) ⁽¹⁾
	2015		2014		2018		2017
Description	(in thousands)				(in thousands)
Marketable securities ⁽²⁾	$	12,882	$	11,971	$	21,779	$	20,674

_______________


(1)	~~Fair value calculated using Level 1 inputs based~~Based on quoted prices in active markets for identical securities.


(2)	The marketable securities are held in a limited rabbi trust.

We report the change in the fair value of the marketable securities at the end of each accounting period in interest income and other net investment (losses) gains in the consolidated statements of operations. We also adjust the related Deferred Compensation Plan liability to fair value at the end of each accounting period based on the performance of the benchmark funds selected by each participant, which results in a corresponding increase or decrease to compensation cost for the period.

The following table sets forth the net (loss) gain on marketable securities recorded during the years ended December 31, ~~2015~~, ~~2014~~2018, 2017 and ~~2013:~~2016:


	December 31,							December 31,
	2015			2014		2013		2018			2017		2016
Description	(in thousands)							(in thousands)
Net (loss) gain on marketable securities	$	(269	)	$	397	$	1,489	$	(1,851	)	$	3,023	$	1,130

Financial Instruments Disclosed at Fair Value

The following table sets forth the carrying value and the fair value of our other financial instruments as of December 31, ~~2015~~2018 and ~~2014~~:2017:


	December 31,								December 31,
	2015				2014				2018				2017
	Carrying Value		Fair Value		Carrying Value		Fair Value		Carrying Value		Fair Value ⁽¹⁾		Carrying Value		Fair Value ⁽¹⁾
	(in thousands)								(in thousands)
Liabilities
Secured debt ⁽¹⁾	$	381,918	$	391,611	$	546,292	$	559,483
Secured debt, net									$	335,531	$	335,885	$	340,800	$	346,858
Unsecured debt, net ⁽²⁾	1,856,590		1,898,863		1,783,121		1,858,492		2,552,070		2,546,386		2,006,263		2,077,199
Unsecured line of credit ⁽¹⁾	—		—		140,000		145,051		45,000		45,058		—		—

_______________


(1)	Fair value calculated using Level II inputs, which are based on model-derived valuations in which significant inputs and significant value drivers are observable in active markets.

~~(2)~~

Fair value calculated using Level II inputs as of December 31, 2015, which are based on model-derived valuations in which significant inputs and significant value drivers are observable in active markets. Fair value calculated using primarily Level I inputs as of December 31, 2014, which are based on quoted prices for identical instruments in active markets. The carrying value and fair value of the instruments valued using Level I inputs was $1,269.4 million and $1,322.2 million, respectively, as of December 31, 2014. The carrying value and fair value of the instruments valued using Level II inputs was $513.7 million and $536.3 million, respectively, as of December 31, 2014.

20. Other Significant Events

During the year ended December 31, 2018, we recognized $5.7 million of provision for bad debts. The provision for bad debts was primarily due to a $7.0 million provision for one tenant recognized during the second quarter of 2018, partially offset by a $1.4 million decrease in the provision for bad debts for one lease due to the assignment of the lease to a credit tenant during the second quarter of 2018.

~~F - 51~~

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

~~18. Other Significant Events~~

In January 2014, a tenant at one of our San Diego, California operating properties exercised an early lease termination clause as permitted under the terms of their lease. As a result, the lease which encompasses approximately 79,000 rentable square feet and was scheduled to expire in February 2020, terminated during the year ended December 31, 2014. The total lease termination fee of $5.7 million was recorded as other property income on a straight line basis through the early lease termination date. The Company received the cash payment of the lease termination fee of $5.7 million in September 2014. During the ~~year~~ ended December 31, 2014, the Company also recognized approximately $1.3 million as a reduction to rental income due to the accelerated amortization of the deferred rent receivable and above market lease for this tenant.


~~19.~~	~~Discontinued Operations~~

~~Discontinued Operations~~

~~For the years ended~~ ~~December 31, 2014~~ and 2013, discontinued operations included the results of all properties sold in 2014 and 2013 and classified as held for sale at December 31, 2013, except for the operations deemed immaterial related to a June 2014 office property disposition. The following table summarizes the revenue and expense components that comprise income from discontinued operations for the years ended December 31, 2014 and 2013:

2014 2013
(in thousands)
Revenues:
Rental income $ 7,206
$ 31,984
Tenant reimbursements 278
3,546
Other property income 13
5,178
Total revenues 7,497
40,708
Expenses:
Property expenses 2,171
7,207
Real estate taxes 692
3,523
Depreciation and amortization 2,061
12,600
Total expenses 4,924
23,330
Income from discontinued operations before net gain on dispositions of discontinued operations 2,573
17,378
Net gain on dispositions of discontinued operations 121,922
12,252
Total income from discontinued operations $ 124,495
$ 29,630

~~F - 52~~

~~KILROY REALTY CORPORATION AND KILROY REALTY, L.P.~~

~~NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)~~


~~20.~~21.	Net Income Available to Common Stockholders Per Share of the Company

The following table reconciles the numerator and denominator in computing the Company’s basic and diluted per-share computations for net income available to common stockholders for the years ended December 31, ~~2015~~2018, , ~~2014~~2017 and ~~2013:~~2016:

Year Ended December 31,
2015 2014 2013
(in thousands, except unit and per unit amounts)
Numerator:
Income from continuing operations $ 238,604
$ 59,313
$ 14,935
Income from continuing operations attributable to noncontrolling interests (4,523 ) (966 ) (36 )
Preferred dividends and distributions (13,250 ) (13,250 ) (13,250 )
Allocation to participating securities ⁽¹⁾
(1,634 ) (1,699 ) (1,689 )
Numerator for basic and diluted income (loss) from continuing operations available to common stockholders 219,197
43,398
(40 )
Income from discontinued operations ⁽²⁾
—
124,495
29,630
Income from discontinued operations attributable to noncontrolling common units of the Operating Partnership ⁽²⁾
—
(2,623 ) (649 )
Numerator for basic and diluted net income available to common stockholders $ 219,197
$ 165,270
$ 28,941
Denominator:
Basic weighted average vested shares outstanding 89,854,096
83,090,235
77,343,853
Effect of dilutive securities – contingently issuable shares and stock options 541,679
1,877,485
—
Diluted weighted average vested shares and common stock equivalents outstanding 90,395,775
84,967,720
77,343,853
Basic earnings per share:
Income from continuing operations available to common stockholders per share $ 2.44
$ 0.52
$ 0.00
Income from discontinued operations per share of common stock ⁽²⁾
—
1.47
0.37
Net income available to common stockholders per share $ 2.44
$ 1.99
$ 0.37
Diluted earnings per share:
Income from continuing operations available to common stockholders per share $ 2.42
$ 0.51
$ 0.00
Income from discontinued operations per share of common stock ⁽²⁾
—
1.44
0.37
Net income available to common stockholders per share $ 2.42
$ 1.95
$ 0.37



	Year Ended December 31,
	2018			2017			2016
	(in thousands, except unit and per unit amounts)
Numerator:
Net income attributable to Kilroy Realty Corporation	$	258,415		$	164,612		$	293,788
Total preferred dividends	—			(13,363		)	(13,250		)
Allocation to participating securities ⁽¹⁾	(2,004		)	(1,975		)	(3,839		)
Numerator for basic and diluted net income available to common stockholders	$	256,411		$	149,274		$	276,699
Denominator:
Basic weighted average vested shares outstanding	99,972,359			98,113,561			92,342,483
Effect of dilutive securities	510,006			613,770			680,551
Diluted weighted average vested shares and common stock equivalents outstanding	100,482,365			98,727,331			93,023,034
Basic earnings per share:
Net income available to common stockholders per share	$	2.56		$	1.52		$	3.00
Diluted earnings per share:
Net income available to common stockholders per share	$	2.55		$	1.51		$	2.97

________________________


(1)	Participating securities include nonvested shares, certain time-based RSUs and vested market measure-based RSUs.


~~(2)~~	The Company adopted ASU 2014-08 effective January 1, 2015 (see Note 2 “Basis of Presentation and Significant Accounting Policies” for additional information). As a result, properties classified as held for sale and/or disposed of subsequent to January 1, 2015 that do not represent a strategic shift are no longer presented as discontinued operations.

Share-based payment awards that contain non-forfeitable rights to dividends or dividend equivalents (whether paid or unpaid) are considered participating securities. The impact of potentially dilutive common shares, including stock options, RSUs, shares issuable under executed forward equity sale agreements and other securities are considered in our diluted earnings per share calculation for the years ended December 31, ~~2015~~2018, 2017, and 2014, because we reported income from continuing operations attributable to common stockholders in the respective periods and the effect was dilutive. Additionally, for the year ended December 31, 2014, contingently issuable shares included the impact of the 4.25% Exchangeable Notes prior to their maturity and settlement in November 2014. For the year ended December 31, 2013, contingently issuable shares were not considered in our diluted earnings per share calculation because we reported losses from continuing operations attributable to common stockholders and the effect was anti dilutive.2016. Certain market measure-based RSUs are not included in dilutive securities as of December 31, ~~2015~~2018, 2017, and ~~2014~~2016 as not all performance metrics had been met by the end of the applicable reporting periods.

See Note 1315 “Share-Based Compensation” for additional information regarding the stock options and other share-based compensation.

~~F - 53~~

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)


~~21.~~22.	Net Income Available to Common Unitholders Per Unit of the Operating Partnership

The following table reconciles the numerator and denominator in computing the Operating Partnership’s basic and diluted per-unit computations for net income available to common unitholders for the years ended 2018, ~~December 31, 2015~~, ~~2014~~2017 and ~~2013:~~2016:

Year Ended December 31,
2015 2014 2013
(in thousands, except unit and per unit amounts)
Numerator:
Income from continuing operations $ 238,604
$ 59,313
$ 14,935
Income from continuing operations attributable to noncontrolling interests in consolidated subsidiaries (467 ) (247 ) (225 )
Preferred distributions (13,250 ) (13,250 ) (13,250 )
Allocation to participating securities ⁽¹⁾
(1,634 ) (1,699 ) (1,689 )
Numerator for basic and diluted income (loss) from continuing operations available to common unitholders 223,253
44,117
(229 )
Income from discontinued operations ⁽²⁾
—
124,495
29,630
(Income) loss from discontinued operations attributable to noncontrolling interests in consolidated subsidiaries ⁽²⁾
—
(13 ) 1
Numerator for basic and diluted net income available to common unitholders $ 223,253
$ 168,599
$ 29,402
Denominator:
Basic weighted average vested units outstanding 91,645,578
84,894,498
79,166,260
Effect of dilutive securities - contingently issuable shares and stock options 541,679
1,877,485
—
Diluted weighted average vested units and common unit equivalents outstanding 92,187,257
86,771,983
79,166,260
Basic earnings per unit:
Income from continuing operations available to common unitholders per unit $ 2.44
$ 0.52
$ 0.00
Income from discontinued operations per common unit ⁽²⁾
—
1.47
0.37
Net income available to common unitholders per unit $ 2.44
$ 1.99
$ 0.37
Diluted earnings per unit:
Income from continuing operations available to common unitholders per unit $ 2.42
$ 0.51
$ 0.00
Income from discontinued operations per common unit ⁽²⁾
—
1.43
0.37
Net income available to common unitholders per unit $ 2.42
$ 1.94
$ 0.37



	Year Ended December 31,
	2018			2017			2016
	(in thousands, except unit and per unit amounts)
Numerator:
Net income attributable to Kilroy Realty, L.P.	$	263,210		$	167,440		$	300,063
Total preferred distributions	—			(13,363		)	(13,250		)
Allocation to participating securities ⁽¹⁾	(2,004		)	(1,975		)	(3,839		)
Numerator for basic and diluted net income available to common unitholders	$	261,206		$	152,102		$	282,974
Denominator:
Basic weighted average vested units outstanding	102,025,276			100,246,567			94,771,688
Effect of dilutive securities	510,006			613,770			680,551
Diluted weighted average vested units and common unit equivalents outstanding	102,535,282			100,860,337			95,452,239
Basic earnings per unit:
Net income available to common unitholders per unit	$	2.56		$	1.52		$	2.99
Diluted earnings per unit:
Net income available to common unitholders per unit	$	2.55		$	1.51		$	2.96

________________________


(1)	Participating securities include nonvested shares, certain time-based RSUs and vested market measure-based RSUs.


~~(2)~~	The Operating Partnership adopted ASU 2014-08 effective January 1, 2015 (see Note 2 “Basis of Presentation and Significant Accounting Policies” for additional information). As a result, properties classified as held for sale and/or disposed of subsequent to January 1, 2015 that do not represent a strategic shift are no longer presented as discontinued operations.

Share-based payment awards that contain non-forfeitable rights to dividends or dividend equivalents (whether paid or unpaid) are considered participating securities. The impact of potentially dilutive common units, including stock options, RSUs, shares issuable under executed forward equity sale agreements and other securities are considered in our diluted earnings per share calculation for the years ended December 31, ~~2015~~2018, 2017 and 2014, because we reported income from continuing operations attributable to common unitholders in the respective periods and the effect was dilutive. Additionally, for the year ended December 31, 2014, contingently issuable shares included the impact of the 4.25% Exchangeable Notes prior to their maturity and settlement in November 2014. For the year ended December 31, 2013, contingently issuable shares were not considered in our diluted earnings per share calculation because we reported losses from continuing operations attributable to common stockholders and the effect was anti dilutive.2016. Certain market measure-based RSUs are not included in dilutive securities as of December 31, ~~2015~~2018, 2017 and ~~2014~~2016 as not all performance metrics had been met by the end of the applicable reporting periods.

See Note 1315 “Share-Based Compensation” for additional information regarding the stock options and other share-based compensation.

~~F - 54~~

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

~~22.~~23. Supplemental Cash Flow Information of the Company

Supplemental cash flow information follows (in thousands):

Year Ended December 31,
2015 2014 2013
SUPPLEMENTAL CASH FLOWS INFORMATION:
Cash paid for interest, net of capitalized interest of $50,923, $44,385, and $32,742 as of
   December 31, 2015, 2014 and 2013, respectively
$ 54,747
$ 58,944
$ 65,157
NONCASH INVESTING TRANSACTIONS:
Accrual for expenditures for operating properties and development and redevelopment
   properties
$ 109,715
$ 77,091
$ 73,482
Tenant improvements funded directly by tenants $ 13,837
$ 42,906
$ 7,633
Assumption of secured debt in connection with property acquisitions (Note 8) $ —
$ —
$ 95,496
Assumption of other assets and liabilities in connection with operating and development
   property acquisitions, net (Note 3)
$ 6,254
$ 14,917
$ 1,811
Release of holdback funds to third party $ 9,279
$ —
$ —
Contribution of land, net of related liabilities, by noncontrolling interest to consolidated
   subsidiary
$ —
$ —
$ 4,885
NONCASH FINANCING TRANSACTIONS:
Accrual of dividends and distributions payable to common stockholders and common
    unitholders (Note 11)
$ 33,336
$ 31,243
$ 29,378
Accrual of dividends and distributions payable to preferred stockholders and preferred
   unitholders (Note 11)
$ 1,656
$ 1,656
$ 1,694
Issuance of common shares in connection with a development property
   acquisition (Notes 3 and 11)
$ —
$ 21,631
$ —
Exchange of common units of the Operating Partnership into shares of the Company’s
   common stock (Note 11)
$ 1,223
$ 28
$ 450



	Year Ended December 31,
	2018		2017		2016
SUPPLEMENTAL CASH FLOWS INFORMATION:
Cash paid for interest, net of capitalized interest of $65,627, $44,757, and $47,675 as of December 31, 2018, 2017 and 2016, respectively	$	44,697	$	67,336	$	54,295
NON-CASH INVESTING TRANSACTIONS:
Accrual for expenditures for operating properties and development and redevelopment properties	$	158,626	$	116,089	$	62,589
Tenant improvements funded directly by tenants	$	13,968	$	15,314	$	18,050
Assumption of other assets and liabilities in connection with operating and development property acquisitions, net (Note 3)	$	40,624	$	1,443	$	5,863
Accrual for receivable related to development properties	$	—	$	—	$	1,350
NON-CASH FINANCING TRANSACTIONS:
Accrual of dividends and distributions payable to common stockholders and common unitholders (Notes 13 and 28)	$	47,559	$	43,448	$	220,650
Exchange of common units of the Operating Partnership into shares of the Company’s common stock	$	1,962	$	10,939	$	8,893
Accrual of dividends and distributions payable to preferred stockholders and preferred unitholders (Note 13)	$	—	$	—	$	1,656
Issuance of common units of the Operating Partnership in connection with an acquisition	$	—	$	—	$	48,033
Secured debt assumed by buyers in connection with land disposition (Note 4)	$	—	$	—	$	2,322

The following is a reconciliation of our cash and cash equivalents and restricted cash at the beginning and end of the years ended 2018, 2017 and 2016.



	Year Ended December 31,
	2018		2017		2016
RECONCILIATION OF CASH AND CASH EQUIVALENTS AND RESTRICTED CASH:
Cash and cash equivalents at beginning of period	$	57,649	$	193,418	$	56,508
Restricted cash at beginning of period	9,149		56,711		696
Cash and cash equivalents and restricted cash at beginning of period	$	66,798	$	250,129	$	57,204

Cash and cash equivalents at end of period	$	51,604	$	57,649	$	193,418
Restricted cash at end of period	119,430		9,149		56,711
Cash and cash equivalents and restricted cash at end of period	$	171,034	$	66,798	$	250,129

~~23.~~

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

24. Supplemental Cash Flow Information of the Operating Partnership:

Supplemental cash flow information follows (in thousands):

Year Ended December 31,
2015 2014 2013
SUPPLEMENTAL CASH FLOWS INFORMATION:
Cash paid for interest, net of capitalized interest of $50,923, $44,385, and $32,742 as of
December 31, 2015, 2014 and 2013, respectively
$ 54,747
$ 58,944
$ 65,157
NONCASH INVESTING TRANSACTIONS:
Accrual for expenditures for operating properties and development and redevelopment properties $ 109,715
$ 77,091
$ 73,482
Tenant improvements funded directly by tenants $ 13,837
$ 42,906
$ 7,633
Assumption of secured debt in connection with property acquisition (Note 8) $ —
$ —
$ 95,496
Assumption of other assets and liabilities in connection with operating and development property acquisitions, net (Note 3) $ 6,254
$ 14,917
$ 1,811
Release of holdback funds to third party $ 9,279
$ —
$ —
Contribution of land, net of related liabilities, by noncontrolling interest to consolidated subsidiary $ —
$ —
$ 4,885
NONCASH FINANCING TRANSACTIONS:
Accrual of distributions payable to common unitholders (Note 12) $ 33,353
$ 31,243
$ 29,378
Accrual of distributions payable to preferred unitholders (Note 12) $ 1,656
$ 1,656
$ 1,694
Issuance of common units in connection with a development property acquisition (Notes 3 and 12) $ —
$ 21,631
$ —



	Year Ended December 31,
	2018		2017		2016
SUPPLEMENTAL CASH FLOWS INFORMATION:
Cash paid for interest, net of capitalized interest of $65,627, $44,757, and $47,675 as of December 31, 2018, 2017 and 2016, respectively	$	44,697	$	67,336	$	54,295
NON-CASH INVESTING TRANSACTIONS:
Accrual for expenditures for operating properties and development and redevelopment properties	$	158,626	$	116,089	$	62,589
Tenant improvements funded directly by tenants	$	13,968	$	15,314	$	18,050
Assumption of other assets and liabilities in connection with operating and development property acquisitions, net (Note 3)	$	40,624	$	1,443	$	5,863
Accrual for receivable related to development properties	$	—	$	—	$	1,350
NON-CASH FINANCING TRANSACTIONS:
Accrual of dividends and distributions payable to common stockholders and common unitholders (Notes 14 and 28)	$	47,559	$	43,448	$	220,650
Accrual of dividends and distributions payable to preferred stockholders and preferred unitholders (Note 14)	$	—	$	—	$	1,656
Issuance of common units in connection with a development property acquisition	$	—	$	—	$	48,033
Secured debt assumed by buyers in connection with land disposition (Note 4)	$	—	$	—	$	2,322

The following is a reconciliation of our cash and cash equivalents and restricted cash at the beginning and end of the years ended 2018, 2017 and 2016.



	Year Ended December 31,
	2018		2017		2016
RECONCILIATION OF CASH AND CASH EQUIVALENTS AND RESTRICTED CASH:
Cash and cash equivalents at beginning of period	$	57,649	$	193,418	$	56,508
Restricted cash at beginning of period	9,149		56,711		696
Cash and cash equivalents and restricted cash at beginning of period	$	66,798	$	250,129	$	57,204

Cash and cash equivalents at end of period	$	51,604	$	57,649	$	193,418
Restricted cash at end of period	119,430		9,149		56,711
Cash and cash equivalents and restricted cash at end of period	$	171,034	$	66,798	$	250,129

~~F - 55~~

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

~~24.~~25. Tax Treatment of Distributions

The following table reconciles the dividends declared per share of common stock to the dividends paid per share of common stock during the years ended December 31, ~~2015,~~ ~~2014~~2018, 2017 and ~~2013~~2016 as follows:


	Year Ended December 31,						Year Ended December 31,
Dividends	2015		2014		2013		2018			2017			2016
Dividends declared per share of common stock	1.400		1.400		1.400		$	1.790		$	1.650		$	3.375
Less: Dividends declared in the current year and paid in the following year	(0.350	)	(0.350	)	(0.350	)	(0.455		)	(0.425		)	(2.275		)
Add: Dividends declared in the prior year and paid in the current year(1)	0.350		0.350		0.350		0.425			2.275			0.350
Dividends paid per share of common stock	1.400		1.400		1.400		$	1.760		$	3.500		$	1.450

_________________

(1)

The fourth quarter 2016 dividend of $2.275 per share of common stock consists of a special cash dividend of $1.90 per share of common stock and a regular quarterly cash dividend of $0.375 per share of common stock. The $1.90 per share special distribution is treated as paid in two tax years for income tax purposes: $1.587 is treated as paid on December 31, 2016 and $0.313 is treated as paid on January 13, 2017. The $0.375 per share regular quarterly distribution is considered a 2017 dividend distribution for income tax purposes.

The unaudited income tax treatment for the dividends to common stockholders reportable for the years ended December 31, ~~2015,~~ ~~2014~~2018, 2017 and ~~2013~~2016 as identified in the table above was as follows:


	Year Ended December 31,												Year Ended December 31,
Shares of Common Stock	2015				2014				2013				2018				2017				2016
Ordinary income(1)	$	0.992	70.86	%	$	0.998	71.29	%	$	0.756	54.00	%	$	1.474	83.73	%	$	1.356	70.87	%	$	1.500	49.40	%
Qualified dividend	0.002		0.13		0.002		0.14		0.003		0.21		0.003		0.19		0.002		0.11		0.002		0.06
Return of capital	—		—		0.398		28.43		0.620		44.29		0.275		15.64		0.344		18.00		—		—
Capital gains ⁽¹⁾⁽²⁾	0.051		3.65		0.002		0.14		—		—		0.008		0.44		—		—		1.212		39.89
Unrecaptured section 1250 gains	0.355		25.36		—		—		0.021		1.5		—		—		0.211		11.02		0.323		10.65
	$	1.400	100.00	%	$	1.400	100.00	%	$	1.400	100.00	%	$	1.760	100.00	%	$	1.913	100.00	%	$	3.037	100.00	%

_________________

(1)

The Tax Cuts and Jobs Act enacted on December 22, 2017 generally allows a deduction for noncorporate taxpayers equal to 20% of ordinary dividends distributed by a REIT (excluding capital gain dividends and qualified dividend income). The amount of dividend eligible for this deduction is referred to as the Section 199A Dividend. For the year ended December 31, 2018, the Section 199A Dividend is equal to the total ordinary income dividend.


(2)	Capital gains are comprised entirely of 20% rate gains.

The 6.875% Series G Cumulative Redeemable Preferred Stock was issued in March ~~2012.~~2012 and redeemed in March 2017. The unaudited income tax treatment for the dividends to Series G preferred stockholders reportable for the years ended December 31, ~~2015,~~ ~~2014~~,2017 and ~~2013~~2016 was as follows:


	Year Ended December 31,												Year Ended December 31,
Preferred Shares	2015				2014				2013				2017				2016
Ordinary income	$	1.218	70.86	%	$	1.711	99.54	%	$	1.668	97.03	%	$	0.371	86.43	%	$	0.848	49.31	%
Qualified dividend	0.002		0.13		0.003		0.17		0.006		0.35		0.001		0.14		0.001		0.06
Capital gains ⁽¹⁾	0.063		3.65		0.005		0.29		—		—		—		—		0.687		39.97
Unrecaptured section 1250 gains	0.436		25.36		—		—		0.045		2.62		0.058		13.43		0.183		10.66
	$	1.719	100.00	%	$	1.719	100.00	%	$	1.719	100.00	%	$	0.430	100.00	%	$	1.719	100.00	%

__________________


(1)	Capital gains are comprised entirely of 20% rate gains.

The 6.375% Series H Cumulative Redeemable Preferred Stock was issued in August 2012. The unaudited income tax treatment for the dividends to Series H preferred stockholders reportable for the years ended December 31, 2015, ~~2014, and~~ ~~2013~~ ~~was as follows:~~

Year Ended December 31,
Preferred Shares 2015 2014 2013
Ordinary income $ 1.129
70.86 % $ 1.587
99.56 % $ 1.546
96.99 %
Qualified dividend 0.002
0.13
0.003
0.19
0.006
0.38
Capital gains ⁽¹⁾
0.059
3.65
0.004
0.25
—
—
Unrecaptured section 1250 gains 0.404
25.36
—
—
0.042
2.63
$ 1.594
100.00 % $ 1.594
100.00 % $ 1.594
100.00 %

~~__________________~~


~~(1)~~	~~Capital gains are comprised entirely of 20% rate gains.~~

~~F - 56~~

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)

The 6.375% Series H Cumulative Redeemable Preferred Stock was issued in August 2012 and redeemed in August 2017. The unaudited income tax treatment for the dividends to Series H preferred stockholders reportable for the years ended December 31, 2017 and 2016 was as follows:



	Year Ended December 31,
Preferred Shares	2017				2016
Ordinary income	$	1.033	86.43	%	$	0.786	49.31	%
Qualified dividend	0.002		0.14		0.001		0.06
Capital gains ⁽¹⁾	—		—		0.637		39.97
Unrecaptured section 1250 gains	0.160		13.43		0.170		10.66
	$	1.195	100.00	%	$	1.594	100.00	%

__________________


~~25.~~(1)	Capital gains are comprised entirely of 20% rate gains.


26.	Quarterly Financial Information of the Company (Unaudited)

Summarized quarterly financial data for the years ended December 31, ~~2015~~2018 and ~~2014~~2017 was as follows:


	2015 Quarter Ended ⁽¹⁾												2018 Quarter Ended ⁽¹⁾
	March 31,			June 30,			September 30,			December 31,			March 31,			June 30,			September 30,			December 31,
	(in thousands, except per share amounts)												(in thousands, except per share amounts)
Revenues from continuing operations	$	146,082		$	146,227		$	141,553		$	147,413
Income from continuing operations	44,002			58,590			106,704			29,308
Revenues													$	182,822		$	187,072		$	186,562		$	190,842
Net income	44,002			58,590			106,704			29,308			40,971			31,755			38,310			166,890
Net income attributable to Kilroy Realty Corporation	43,187			57,500			104,759			28,635			36,246			27,549			34,400			160,220
Preferred dividends and distributions	(3,313		)	(3,312		)	(3,313		)	(3,312		)
Net income available to common stockholders	39,874			54,188			101,446			25,323			36,246			27,549			34,400			160,220
Net income available to common stockholders per share – basic	0.45			0.61			1.10			0.27			0.36			0.27			0.34			1.59
Net income available to common stockholders per share – diluted	0.45			0.61			1.09			0.27			0.36			0.27			0.33			1.58

	2014 Quarter Ended ⁽¹⁾												2017 Quarter Ended ⁽¹⁾
	March 31,			June 30,			September 30,			December 31,			March 31,			June 30,			September 30,			December 31,
	(in thousands, except per share amounts)												(in thousands, except per share amounts)
Revenues from continuing operations	$	123,758		$	127,178		$	129,024		$	141,765
Income from continuing operations	10,874			15,854			13,168			19,417
Income from discontinued operations	91,058			15,289			6,135			12,013
Revenues													$	179,308		$	180,598		$	181,534		$	177,561
Net income	101,932			31,143			19,303			31,430			37,281			35,306			75,488			32,540
Net income attributable to Kilroy Realty Corporation	99,845			30,540			18,982			30,852			33,525			31,448			71,110			28,529
Preferred dividends and distributions	(3,313		)	(3,312		)	(3,313		)	(3,312		)	(7,196		)	(1,615		)	(4,552		)	—
Net income available to common stockholders	96,532			27,228			15,669			27,540			26,329			29,833			66,558			28,529
Net income available to common stockholders per share – basic	1.17			0.33			0.18			0.32			0.27			0.30			0.67			0.28
Net income available to common stockholders per share – diluted	1.14			0.32			0.18			0.32			0.26			0.30			0.67			0.28

____________________

(1)

The summation of the quarterly financial data may not equal the annual number reported on the consolidated statements of operations due to rounding. ~~The~~For the year ended December 31, 2018, the summation of the quarterly net income ~~(loss)~~ available to common stockholders per share does not equal the annual number reported on the consolidated statements of operations due to the ~~Company's public offerings of common stock and its~~Company’s at-the-market stock offering programs that occurred during the ~~years ended December 31, 2015 and 2014.~~year.

~~F - 57~~

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – (Continued)


~~26.~~27.	Quarterly Financial Information of the Operating Partnership (Unaudited)

Summarized quarterly financial data for the years ended December 31, ~~2015~~2018 and ~~2014~~2017 was as follows:


	2015 Quarter Ended ⁽¹⁾												2018 Quarter Ended ⁽¹⁾
	March 31,			June 30,			September 30,			December 31,			March 31,			June 30,			September 30,			December 31,
	(in thousands, except per unit amounts)												(in thousands, except per unit amounts)
Revenues from continuing operations	$	146,082		$	146,227		$	141,553		$	147,413
Income from continuing operations	44,002			58,590			106,704			29,308
Revenues													$	182,822		$	187,072		$	186,562		$	190,842
Net income	44,002			58,590			106,704			29,308			40,971			31,755			38,310			166,890
Net income attributable to the Operating Partnership	43,927			58,518			106,640			29,052			36,893			28,015			34,993			163,309
Preferred distributions	(3,313		)	(3,312		)	(3,313		)	(3,312		)
Net income available to common unitholders	40,614			55,206			103,327			25,740			36,893			28,015			34,993			163,309
Net income available to common unitholders per unit – basic	0.45			0.61			1.10			0.27			0.36			0.27			0.34			1.58
Net income available to common unitholders per unit – diluted	0.45			0.61			1.09			0.27			0.36			0.27			0.33			1.57

	2014 Quarter Ended ⁽¹⁾												2017 Quarter Ended ⁽¹⁾
	March 31,			June 30,			September 30,			December 31,			March 31,			June 30,			September 30,			December 31,
	(in thousands, except per unit amounts)												(in thousands, except per unit amounts)
Revenues from continuing operations	$	123,758		$	127,178		$	129,024		$	141,765
Income from continuing operations	10,874			15,854			13,168			19,417
Income from discontinued operations	91,058			15,289			6,135			12,013
Revenues													$	179,308		$	180,598		$	181,534		$	177,561
Net income	101,932			31,143			19,303			31,430			37,281			35,306			75,488			32,540
Net income attributable to the Operating Partnership	101,867			31,066			19,244			31,371			34,054			31,971			72,402			29,013
Preferred distributions	(3,313		)	(3,312		)	(3,313		)	(3,312		)	(7,196		)	(1,615		)	(4,552		)	—
Net income available to common unitholders	98,554			27,754			15,931			28,059			26,858			30,356			67,850			29,013
Net income available to common unitholders per unit – basic	1.17			0.33			0.18			0.32			0.26			0.30			0.67			0.28
Net income available to common unitholders per unit – diluted	1.14			0.32			0.18			0.31			0.26			0.30			0.67			0.28

___________________

(1)

The summation of the quarterly financial data may not equal the annual number reported on the consolidated statements of operations due to rounding. ~~The~~For the year ended December 31, 2018, the summation of the quarterly net income ~~(loss)~~ available to common ~~unitholders~~stockholders per ~~unit~~share does not equal the annual number reported on the consolidated statements of operations due to the ~~impact of the Company's public offerings of common stock and its~~Company’s at-the-market stock offering programs that occurred during the ~~years ended December 31, 2015 and 2014.~~year.


~~27.~~28.	Subsequent Events

On January ~~13, 2016, aggregate~~15, 2019, $47.5 million of dividends ~~distributions and dividend equivalents of $33.4 million~~ were paid out to common stockholders, common unitholders and RSU holders of record on December 31, ~~2015.~~

~~On January 13, 2016, the Company completed the sale of the land parcel located in San Diego, California that was held for sale at December 31, 2015 for a gross sales price of $4.5 million.~~

On January 21, 2016, the Company completed the sale of the four operating properties located in San Diego, California that were held for sale at December 31, 2015 for a gross sales price of $262.3 million.2018.

In ~~January 2016,~~February 2019, the Executive Compensation Committee granted ~~328,731~~144,982 Time-Based RSUs ~~to Executive Officers~~ and ~~other~~143,396 Performance-Based RSUs to key employees under the 2006 Plan. ~~185,032 of these RSUs are subject to market and performance-based vesting requirements, which could cause the final vested amount of RSUs to increase or decrease.~~ The compensation cost related to ~~both time-based and performance-based~~the RSUs is expected to be recognized over a period of three years.

On February 11, 2019, the Company repaid at par a secured mortgage note payable due in June 2019 for $74.3 million.

~~F - 58~~

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

SCHEDULE II – VALUATION AND QUALIFYING ACCOUNTS

Years ended December 31, ~~2015~~, ~~2014~~2018, 2017 and ~~2013~~2016

(in thousands)

Balance at
Beginning
of Period

Charged to
Costs and
Expenses

Recoveries
(Deductions)

Balance
at End
of Period ⁽¹⁾
Allowance for Uncollectible Tenant Receivables for the year ended
December 31,

2015 – Allowance for uncollectible tenant receivables $ 1,999
$ 303
$ (222 ) $ 2,080
2014 – Allowance for uncollectible tenant receivables 2,134
58
(193 ) 1,999
2013 – Allowance for uncollectible tenant receivables 2,581
396
(843 ) 2,134
Allowance for Unbilled Deferred Rent for the year ended
December 31,

2015 – Allowance for deferred rent $ 1,989
$ 242
$ (349 ) $ 1,882
2014 – Allowance for deferred rent 2,075
—
(86 ) 1,989
2013 – Allowance for deferred rent 2,607
—
(532 ) 2,075



	Balance at Beginning of Period		Charged to Costs and Expenses ⁽¹⁾		Recoveries (Deductions)			Balance at End of Period
Allowance for Uncollectible Tenant Receivables for the year ended December 31,
2018 – Allowance for uncollectible tenant receivables	$	2,309	$	2,604	$	(274	)	$	4,639
2017 – Allowance for uncollectible tenant receivables	1,712		1,517		(920		)	2,309
2016 – Allowance for uncollectible tenant receivables	2,080		—		(368		)	1,712
Allowance for Deferred Rent Receivables for the year ended December 31,
2018 – Allowance for deferred rent	$	3,238	$	165	$	(64	)	$	3,339
2017 – Allowance for deferred rent	1,524		1,752		(38		)	3,238
2016 – Allowance for deferred rent	1,882		—		(358		)	1,524

~~_______________~~__________________

~~(1) For the year ended December 31, 2013, includes amounts reported for properties classified as held for sale.~~

~~F - 59~~


(1)	In addition, for the year ended December 31, 2018, $2.9 million was charged to costs and expenses for a valuation allowance for a note receivable.

KILROY REALTY CORPORATION AND KILROY REALTY, ~~L.P.~~L.P

SCHEDULE III – REAL ESTATE AND ACCUMULATED DEPRECIATION

December 31, ~~2015~~2018


	Initial Cost									Gross Amounts at Which Carried at Close of Period												Initial Cost								Gross Amounts at Which Carried at Close of Period
Property Location	Encumb- rances			Land and improve- ments		Buildings and Improve- ments		Costs Capitalized Subsequent to Acquisition/ Improvement		Land and improve- ments		Buildings and Improve- ments		Total		Accumulated Depreciation		Deprecia- tion Life ⁽¹⁾	Date of Acquisition (A)/ Construction (C) ⁽²⁾		Rentable Square Feet ⁽³⁾ (unaudited)	Encumb- rances		Land and improve- ments		Buildings and Improve- ments		Costs Capitalized Subsequent to Acquisition/ Improvement		Land and improve- ments		Buildings and Improve- ments		Total		Accumulated Depreciation		Depreci- ation Life ⁽¹⁾	Date of Acquisition (A)/ Construction (C) ⁽²⁾		Rentable Square Feet ⁽³⁾ (unaudited)
	(in thousands)																					($ in thousands)
Office Properties:
23925 Park Sorrento, Calabasas, CA	$	3,987	(4)	$	50	$	2,346	$	493	$	50	$	2,839	$	2,889	$	1,587	35	2001	(C)	11,789
23975 Park Sorrento, Calabasas, CA			(4)	765		17,720		6,416		765		24,136		24,901		13,702		35	2002	(C)	104,797
24025 Park Sorrento, Calabasas, CA			(4)	845		15,896		6,121		845		22,017		22,862		12,503		35	2000	(C)	108,671
2829 Townsgate Rd., Thousand Oaks, CA				5,248		8,001		7,417		5,247		15,419		20,666		9,764		35	1997	(A)	81,067			$	5,248	$	8,001	$	8,267	$	5,248	$	16,268	$	21,516	$	11,862	35	1997	( A )	84,098
2240 E. Imperial Highway, El Segundo, CA				1,044		11,763		29,448		1,048		41,207		42,255		21,837		35	1983	(C)	122,870			1,044		11,763		29,509		1,048		41,268		42,316		25,671		35	1983	( C )	122,870
2250 E. Imperial Highway, El Segundo, CA				2,579		29,062		34,953		2,547		64,047		66,594		46,814		35	1983	(C)	298,728			2,579		29,062		36,148		2,547		65,242		67,789		52,858		35	1983	( C )	298,728
2260 E. Imperial Highway, El Segundo, CA				2,518		28,370		36,771		2,547		65,112		67,659		7,312		35	1983	(C)	298,728			2,518		28,370		36,672		2,547		65,013		67,560		14,064		35	1983	( C )	298,728
909 N. Sepulveda Blvd., El Segundo, CA	65,563		(5)	3,577		34,042		42,869		3,577		76,911		80,488		29,058		35	2005	(C)	241,607
999 N. Sepulveda Blvd., El Segundo, CA			(5)	1,407		34,326		12,238		1,407		46,564		47,971		18,201		35	2003	(C)	128,592
6115 W. Sunset Blvd., Los Angeles, CA ⁽⁶⁾				1,313		3		25,503		2,455		24,364		26,819		308		35	2015	(C)	26,075
6121 W. Sunset Blvd., Los Angeles, CA ⁽⁶⁾				11,120		4,256		73,250		8,703		79,923		88,626		1,040		35	2015	(C)	82,442
909 N. Pacific Coast Highway, El Segundo, CA																							(4)	3,577		34,042		48,056		3,577		82,098		85,675		38,602		35	2005	( C )	244,136
999 N. Pacific Coast Highway, El Segundo, CA																							(4)	1,407		34,326		16,497		1,407		50,823		52,230		23,178		35	2003	( C )	128,588
6115 W. Sunset Blvd., Los Angeles, CA ⁽⁵⁾																								1,313		3		16,458		2,455		15,319		17,774		1,483		35	2015	( C )	26,105
6121 W. Sunset Blvd., Los Angeles, CA ⁽⁵⁾																								11,120		4,256		43,952		8,703		50,625		59,328		5,631		35	2015	( C )	91,173
1525 N. Gower Street, Los Angeles, CA ⁽⁵⁾																								1,318		3		9,642		1,318		9,645		10,963		870		35	2016	( C )	9,610
1575 N. Gower Street, Los Angeles, CA ⁽⁵⁾																								22,153		51		119,406		22,153		119,457		141,610		8,149		35	2016	( C )	251,245
1500 N. El Centro Ave., Los Angeles, CA ⁽⁵⁾																								9,235		21		58,582		9,235		58,603		67,838		4,026		35	2016	( C )	104,504
1550 N. El Centro Ave., Los Angeles, CA^{(5) (6)}																								16,970		39		135,583		16,970		135,622		152,592		9,911		35	2016	( C )	—
6255 W. Sunset Blvd., Los Angeles, CA				18,111		60,320		32,840		18,111		93,160		111,271		12,693		35	2012	(A)	324,617			18,111		60,320		44,535		18,111		104,855		122,966		29,278		35	2012	( A )	323,920
3750 Kilroy Airport Way, Long Beach, CA				—		1,941		10,463		—		12,404		12,404		9,280		35	1989	(C)	10,457			—		1,941		11,153		—		13,094		13,094		10,395		35	1989	( C )	10,457
3760 Kilroy Airport Way, Long Beach, CA				—		17,467		10,734		—		28,201		28,201		21,954		35	1989	(C)	165,278			—		17,467		13,714		—		31,181		31,181		25,635		35	1989	( C )	165,278
3780 Kilroy Airport Way, Long Beach, CA				—		22,319		17,939		—		40,258		40,258		32,824		35	1989	(C)	219,745			—		22,319		23,008		—		45,327		45,327		37,365		35	1989	( C )	219,777
3800 Kilroy Airport Way, Long Beach, CA				—		19,408		17,263		—		36,671		36,671		20,556		35	2000	(C)	192,476			—		19,408		20,838		—		40,246		40,246		23,575		35	2000	( C )	192,476
3840 Kilroy Airport Way, Long Beach, CA				—		13,586		9,337		—		22,923		22,923		13,222		35	1999	(C)	136,026			—		13,586		10,364		—		23,950		23,950		15,417		35	1999	( C )	136,026
3880 Kilroy Airport Way, Long Beach, CA				—		9,704		11,086		—		20,790		20,790		1,722		35	1997	(A)	96,035			—		9,704		11,277		—		20,981		20,981		3,820		35	1997	( A )	96,035
3900 Kilroy Airport Way, Long Beach, CA				—		12,615		9,949		—		22,564		22,564		13,958		35	1997	(A)	126,840			—		12,615		11,983		—		24,598		24,598		17,147		35	1997	( A )	129,893
Kilroy Airport Center, Phase IV, Long Beach, CA⁽⁷⁾				—		—		4,997		—		4,997		4,997		4,984		35						—		—		4,997		—		4,997		4,997		4,997		35	—	—	—
8560 W. Sunset Blvd, West Hollywood, CA																								9,720		50,956		600		9,720		51,556		61,276		4,209		35	2016	( A )	71,875
8570 W. Sunset Blvd, West Hollywood, CA																								31,693		27,974		925		31,693		28,899		60,592		2,085		35	2016	( A )	43,603
8580 W. Sunset Blvd, West Hollywood, CA																								10,013		3,695		135		10,013		3,830		13,843		264		35	2016	( A )	7,126
8590 W. Sunset Blvd, West Hollywood, CA																								39,954		27,884		1,092		39,954		28,976		68,930		2,267		35	2016	( A )	56,095
12100 W. Olympic Blvd., Los Angeles, CA				352		45,611		16,258		9,633		52,588		62,221		21,521		35	2003	(C)	150,167	170,000	(8)	352		45,611		18,518		9,633		54,848		64,481		27,316		35	2003	( C )	152,048
12200 W. Olympic Blvd., Los Angeles, CA				4,329		35,488		17,561		3,977		53,401		57,378		31,401		35	2000	(C)	150,117		(8)	4,329		35,488		23,707		3,977		59,547		63,524		37,257		35	2000	( C )	150,832
12233 W. Olympic Blvd., Los Angeles, CA				22,100		53,170		1,695		22,100		54,865		76,965		5,616		35	2012	(A)	151,029			22,100		53,170		3,986		22,100		57,156		79,256		11,832		35	2012	( A )	151,029
12312 W. Olympic Blvd., Los Angeles, CA				3,325		12,202		11,307		3,399		23,435		26,834		7,687		35	1997	(A)	76,644		(8)	3,325		12,202		11,341		3,399		23,469		26,868		12,017		35	1997	( A )	76,644
1633 26th St., Santa Monica, CA				2,080		6,672		2,955		2,040		9,667		11,707		5,996		35	1997	(A)	44,915			2,080		6,672		3,139		2,040		9,851		11,891		6,908		35	1997	( A )	43,857
2100/2110 Colorado Ave., Santa Monica, CA	96,354		(8)	5,474		26,087		13,998		5,476		40,083		45,559		18,941		35	1997	(A)	102,864	91,332	(9)	5,474		26,087		14,620		5,476		40,705		46,181		24,031		35	1997	( A )	102,864
3130 Wilshire Blvd., Santa Monica, CA				8,921		6,579		11,929		9,188		18,241		27,429		12,144		35	1997	(A)	88,340			8,921		6,579		15,992		9,188		22,304		31,492		14,674		35	1997	( A )	90,074
501 Santa Monica Blvd., Santa Monica, CA				4,547		12,044		8,861		4,551		20,901		25,452		11,794		35	1998	(A)	73,115		(4)	4,547		12,044		14,129		4,551		26,169		30,720		15,614		35	1998	( A )	76,803
2211 Michelson, Irvine, CA			(8)	9,319		82,836		4,163		9,319		86,999		96,318		17,512		35	2010	(A)	271,556		(9)	9,319		82,836		6,629		9,319		89,465		98,784		27,097		35	2010	( A )	271,556
12225 El Camino Real, Del Mar, CA				1,700		9,633		2,969		1,660		12,642		14,302		7,013		35	1998	(A)	58,401			1,700		9,633		3,493		1,673		13,153		14,826		8,905		35	1998	( A )	58,401
12235 El Camino Real, Del Mar, CA				1,507		8,543		4,943		1,554		13,439		14,993		8,102		35	1998	(A)	54,673
12340 El Camino Real, Del Mar, CA			(5)	4,201		13,896		7,981		4,201		21,877		26,078		8,875		35	2002	(C)	87,774
12390 El Camino Real, Del Mar, CA			(5)	3,453		11,981		1,344		3,453		13,325		16,778		7,920		35	2000	(C)	72,332
12348 High Bluff Dr., Del Mar, CA				1,629		3,096		4,686		1,629		7,782		9,411		5,164		35	1999	(C)	38,806
12400 High Bluff Dr., Del Mar, CA				15,167		40,497		12,551		15,167		53,048		68,215		21,723		35	2004	(C)	209,220

~~F - 60~~

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

SCHEDULE III – REAL ESTATE AND ACCUMULATED DEPRECIATION – (Continued)

December 31, ~~2015~~2018


		Initial Cost									Gross Amounts at Which Carried at Close of Period													Initial Cost					Gross Amounts at Which Carried at Close of Period
Property Location		Encumb- rances		Land and improve- ments		Buildings and Improve- ments		Costs Capitalized Subsequent to Acquisition/ Improvement			Land and improve- ments		Buildings and Improve- ments		Total		Accumulated Depreciation		Deprecia- tion Life ⁽¹⁾	Date of Acquisition (A)/ Construction (C) ⁽²⁾		Rentable Square Feet ⁽³⁾ (unaudited)		Encumb- rances		Land and improve- ments	Buildings and Improve- ments	Costs Capitalized Subsequent to Acquisition/ Improvement	Land and improve- ments	Buildings and Improve- ments	Total	Accumulated Depreciation	Depreci- ation Life ⁽¹⁾	Date of Acquisition (A)/ Construction (C) ⁽²⁾		Rentable Square Feet ⁽³⁾ (unaudited)
		(in thousands)																						($ in thousands)
12235 El Camino Real, Del Mar, CA																										1,507	8,543	8,965	1,540	17,475	19,015	9,681	35	1998	( A )	53,751
12340 El Camino Real, Del Mar, CA																										4,201	13,896	9,858	4,201	23,754	27,955	11,257	35	2002	( C )	89,272
12390 El Camino Real, Del Mar, CA																										3,453	11,981	3,896	3,453	15,877	19,330	8,995	35	2000	( C )	70,140
12348 High Bluff Dr., Del Mar, CA																										1,629	3,096	6,141	1,629	9,237	10,866	6,206	35	1999	( C )	38,806
12400 High Bluff Dr., Del Mar, CA																									(4)	15,167	40,497	14,337	15,167	54,834	70,001	27,243	35	2004	( C )	209,220
3579 Valley Centre Dr., Del Mar, CA				$	2,167	$	6,897	$	7,400		$	2,858	$	13,606	$	16,464	$	7,788	35	1999	(C)	50,677				2,167	6,897	7,449	2,858	13,655	16,513	9,512	35	1999	( C )	52,418
3611 Valley Centre Dr., Del Mar, CA				4,184		19,352		18,405			5,259		36,682		41,941		19,372		35	2000	(C)	130,047				4,184	19,352	18,881	5,259	37,158	42,417	24,251	35	2000	( C )	129,656
3661 Valley Centre Dr., Del Mar, CA				4,038		21,144		12,448			4,725		32,905		37,630		16,408		35	2001	(C)	129,051				4,038	21,144	16,178	4,725	36,635	41,360	20,619	35	2001	( C )	128,364
3721 Valley Centre Dr., Del Mar, CA				4,297		18,967		12,819			4,254		31,829		36,083		11,283		35	2003	(C)	114,780				4,297	18,967	14,569	4,254	33,579	37,833	15,893	35	2003	( C )	115,193
3811 Valley Centre Dr., Del Mar, CA				3,452		16,152		20,092			4,457		35,239		39,696		17,641		35	2000	(C)	112,067				3,452	16,152	20,105	4,457	35,252	39,709	21,545	35	2000	( C )	112,067
12770 El Camino Real, Del Mar, CA				9,360		—		22,492			9,360		22,492		31,852		—		35	2015	(C)	₍₉	₎			9,360	—	33,628	9,360	33,628	42,988	1,950	35	2015	( C )	73,032
12780 El Camino Real, Del Mar, CA				18,398		54,954		1,623			18,398		56,577		74,975		4,942		35	2013	(A)	140,591				18,398	54,954	14,775	18,398	69,729	88,127	11,995	35	2013	( A )	140,591
12790 El Camino Real, Del Mar, CA				10,252		21,236		1,202			10,252		22,438		32,690		1,905		35	2013	(A)	78,349				10,252	21,236	1,426	10,252	22,662	32,914	4,794	35	2013	( A )	78,836
13280 Evening Creek Dr. South, I-15 Corridor, CA				3,701		8,398		4,590			3,701		12,988		16,689		3,349		35	2008	(C)	41,196				3,701	8,398	4,730	3,701	13,128	16,829	5,167	35	2008	( C )	41,196
13290 Evening Creek Dr. South, I-15 Corridor, CA				5,229		11,871		5,898			5,229		17,769		22,998		3,418		35	2008	(C)	61,180				5,229	11,871	5,919	5,229	17,790	23,019	5,950	35	2008	( C )	61,180
13480 Evening Creek Dr. North, I-15 Corridor, CA				7,997		—		48,103			7,997		48,103		56,100		13,230		35	2008	(C)	149,817				7,997	—	52,143	7,997	52,143	60,140	18,660	35	2008	( C )	154,157
13500 Evening Creek Dr. North, I-15 Corridor, CA				7,581		35,903		8,540			7,580		44,444		52,024		15,768		35	2004	(A)	147,533				7,581	35,903	15,331	7,580	51,235	58,815	20,471	35	2004	( A )	137,658
13520 Evening Creek Dr. North, I-15 Corridor, CA				7,581		35,903		10,094			7,580		45,998		53,578		17,422		35	2004	(A)	141,128				7,581	35,903	15,427	7,580	51,331	58,911	22,819	35	2004	( A )	146,701
2355 Northside Dr., Mission Valley, CA				4,066		8,332		2,085			3,344		11,139		14,483		2,770		35	2010	(A)	53,610
2365 Northside Dr., Mission Valley, CA				7,359		15,257		6,324			6,015		22,925		28,940		4,766		35	2010	(A)	96,437
2375 Northside Dr., Mission Valley, CA				3,947		8,146		2,386			3,213		11,266		14,479		2,688		35	2010	(A)	51,516
2385 Northside Dr., Mission Valley, CA				2,752		14,513		5,240			5,552		16,953		22,505		4,410		35	2010	(A)	89,023
2305 Historic Decatur Rd., Point Loma, CA				5,240		22,220		3,278			5,240		25,498		30,738		4,938		35	2010	(A)	103,900				5,240	22,220	7,309	5,240	29,529	34,769	9,248	35	2010	( A )	107,456
4939 Directors Place, Sorrento Mesa, CA				2,225		12,698		4,359			2,198		17,084		19,282		8,975		35	2002	(C)	60,662
4955 Directors Place, Sorrento Mesa, CA				2,521		14,122		3,697			3,179		17,161		20,340		12,998		35	2000	(C)	76,246
10390 Pacific Center Ct., Sorrento Mesa, CA				3,267		5,779		7,501			3,267		13,280		16,547		5,787		35	2002	(C)	68,400
10394 Pacific Center Ct., Sorrento Mesa, CA				2,696		7,134		(781		)	1,671		7,378		9,049		4,033		35	1998	(A)	59,630
10398 Pacific Center Ct., Sorrento Mesa, CA				1,947		5,152		1,316			1,222		7,193		8,415		3,874		35	1998	(A)	43,645
10421 Pacific Center Ct., Sorrento Mesa, CA				2,926		7,979		21,885			2,926		29,864		32,790		16,673		35	1998	(A)	75,899
10445 Pacific Center Ct., Sorrento Mesa, CA				2,247		5,945		1,832			1,809		8,215		10,024		4,346		35	1998	(A)	48,709
10455 Pacific Center Ct., Sorrento Mesa, CA				4,044		10,701		(2,250		)	3,780		8,715		12,495		4,532		35	1998	(A)	90,000
5717 Pacific Center Blvd., Sorrento Mesa, CA				2,693		6,280		4,220			2,693		10,500		13,193		3,615		35	2001	(C)	67,995
4690 Executive Dr., University Towne Centre, CA			(5)	1,623		7,926		2,639			1,623		10,565		12,188		5,992		35	1999	(A)	47,846				1,623	7,926	3,668	1,623	11,594	13,217	7,324	35	1999	( A )	47,846
4100 Bohannon Dr., Menlo Park, CA				4,835		15,526		468			4,835		15,994		20,829		2,156		35	2012	(A)	47,379			(4)	4,835	15,526	525	4,860	16,026	20,886	3,954	35	2012	( A )	47,379
4200 Bohannon Dr., Menlo Park, CA				4,798		15,406		2,125			4,798		17,531		22,329		2,406		35	2012	(A)	45,451			(4)	4,798	15,406	3,222	4,662	18,764	23,426	4,915	35	2012	( A )	45,451
4300 Bohannon Dr., Menlo Park, CA	��			6,527		20,958		2,803			6,527		23,761		30,288		3,828		35	2012	(A)	63,079			(4)	6,527	20,958	2,955	6,470	23,970	30,440	6,996	35	2012	( A )	63,079
4400 Bohannon Dr., Menlo Park, CA				4,798		15,406		2,125			4,798		17,531		22,329		2,637		35	2012	(A)	48,146			(4)	4,798	15,406	2,943	4,939	18,208	23,147	5,066	35	2012	( A )	48,146
4500 Bohannon Dr., Menlo Park, CA				6,527		20,957		1,692			6,527		22,649		29,176		3,090		35	2012	(A)	63,078			(4)	6,527	20,957	2,025	6,470	23,039	29,509	5,665	35	2012	( A )	63,078
4600 Bohannon Dr., Menlo Park, CA				4,798		15,406		2,180			4,798		17,586		22,384		2,426		35	2012	(A)	48,147			(4)	4,798	15,406	3,326	4,939	18,591	23,530	4,924	35	2012	( A )	48,147
4700 Bohannon Dr., Menlo Park, CA				6,527		20,958		1,468			6,527		22,426		28,953		3,000		35	2012	(A)	63,078			(4)	6,527	20,958	1,422	6,470	22,437	28,907	5,492	35	2012	( A )	63,078
331 Fairchild Dr., CA				18,396		17,712		7,887			18,396		25,599		43,995		1,972		35	2013	(C)	87,147
1290 - 1300 Terra Bella Ave., Mountain View, CA																										28,730	27,555	29	28,730	27,584	56,314	3,589	35	2016	( A )	114,175
331 Fairchild Dr., Mountain View, CA																									(4)	18,396	17,712	7,955	18,396	25,667	44,063	4,674	35	2013	( C )	87,147
680 E. Middlefield Rd., Mountain View, CA																										34,605	—	56,464	34,605	56,464	91,069	7,908	35	2014	( C )	170,090
690 E. Middlefield Rd., Mountain View, CA																										34,755	—	56,707	34,755	56,707	91,462	7,942	35	2014	( C )	170,823
1701 Page Mill Rd, Palo Alto, CA																										—	99,522	25	—	99,547	99,547	6,000	35	2016	( A )	128,688
3150 Porter Drive, Palo Alto, CA																										—	21,715	4	—	21,719	21,719	1,591	35	2016	( A )	36,897
900 Jefferson Ave., Redwood City, CA ⁽¹⁰⁾																										16,668	—	109,313	18,063	107,918	125,981	11,977	35	2015	( C )	228,505
900 Middlefield Rd., Redwood City, CA ⁽¹⁰⁾																										7,959	—	49,862	8,626	49,195	57,821	5,204	35	2015	( C )	118,764
303 Second St., San Francisco, CA ⁽¹¹⁾																										63,550	154,153	70,133	63,550	224,286	287,836	71,553	35	2010	( A )	740,047

~~F - 61~~

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

SCHEDULE III – REAL ESTATE AND ACCUMULATED DEPRECIATION – (Continued)

December 31, ~~2015~~2018


	Initial Cost									Gross Amounts at Which Carried at Close of Period												Initial Cost									Gross Amounts at Which Carried at Close of Period
Property Location	Encumb- rances			Land and improve- ments		Buildings and Improve- ments		Costs Capitalized Subsequent to Acquisition/ Improvement		Land and improve- ments		Buildings and Improve- ments		Total		Accumulated Depreciation		Deprecia- tion Life ⁽¹⁾	Date of Acquisition (A)/ Construction (C) ⁽²⁾		Rentable Square Feet ⁽³⁾ (unaudited)	Encumb- rances			Land and improve- ments		Buildings and Improve- ments		Costs Capitalized Subsequent to Acquisition/ Improvement		Land and improve- ments		Buildings and Improve- ments		Total		Accumulated Depreciation			Depreci- ation Life ⁽¹⁾		Date of Acquisition (A)/ Construction (C) ⁽²⁾		Rentable Square Feet ⁽³⁾ (unaudited)
	(in thousands)																					($ in thousands)
680 E. Middlefield Rd., Mountain View, CA				$	34,605	$	—	$	56,464	$	34,605	$	56,464	$	91,069	$	2,194	35	2014	(C)	170,090
690 E. Middlefield Rd., Mountain View, CA				34,755		—		56,707		34,755		56,707		91,462		2,203		35	2014	(C)	170,823
900 Jefferson Ave., Redwood City, CA ⁽¹⁰⁾				16,668		—		109,303		18,063		107,908		125,971		858		35	2015	(C)	226,197
900 Middlefield Rd., Redwood City, CA ⁽¹⁰⁾				7,959		—		46,065		8,626		45,398		54,024		277		35	2015	(C)	113,790
303 Second St., San Francisco, CA	128,315		(11)	63,550		154,153		42,562		63,550		196,715		260,265		41,552		35	2010	(A)	740,047
100 First St., San Francisco, CA				49,150		131,238		25,717		49,150		156,955		206,105		32,069		35	2010	(A)	467,095
100 First St., San Francisco, CA ⁽¹²⁾																									49,150		131,238		63,503		49,150		194,741		243,891		53,081			35		2010	( A )	467,095
250 Brannan St., San Francisco, CA				7,630		22,770		4,324		7,630		27,094		34,724		6,001		35	2011	(A)	95,008				7,630		22,770		4,466		7,630		27,236		34,866		9,786			35		2011	( A )	100,850
201 Third St., San Francisco, CA				19,260		84,018		32,926		19,260		116,944		136,204		23,292		35	2011	(A)	346,538				19,260		84,018		66,543		19,260		150,561		169,821		46,541			35		2011	( A )	346,538
301 Brannan St., San Francisco, CA				5,910		22,450		1,843		5,910		24,293		30,203		4,066		35	2011	(A)	74,430				5,910		22,450		5,109		5,910		27,559		33,469		8,375			35		2011	( A )	82,834
360 Third St., San Francisco, CA				—		88,235		111,085		28,504		170,816		199,320		17,936		35	2011	(A)	429,796				—		88,235		112,885		28,504		172,616		201,120		39,931			35		2011	( A )	429,796
1310 Chesapeake Terrace, Sunnyvale, CA				16,700		11,020		87		16,700		11,107		27,807		572		35	2014	(A)	76,244
1315 Chesapeake Terrace, Sunnyvale, CA				12,260		7,930		235		12,260		8,165		20,425		534		35	2014	(A)	55,635
1320-1324 Chesapeake Terrace, Sunnyvale, CA				17,360		10,720		91		17,360		10,811		28,171		723		35	2014	(A)	79,720
1325-1327 Chesapeake Terrace, Sunnyvale, CA				12,610		8,160		63		12,610		8,223		20,833		551		35	2014	(A)	55,383
333 Brannan St., San Francisco, CA																									18,645		—		78,426		18,645		78,426		97,071		6,451			35		2016	( C )	185,602
350 Mission Street, San Francisco, CA																									52,815		—		213,459		52,815		213,459		266,274		17,818			35		2016	( C )	455,340
100 Hooper Street, San Francisco, CA ⁽¹⁵⁾																									78,564		—		179,739		78,564		179,739		258,303		1,043		1,043	35	0.035	2018	( C )	—
345 Brannan St., San Francisco, CA																									29,405		113,179		—		29,405		113,179		142,584		—		—	35	0.035	2018	( A )	110,030
345 Oyster Point Blvd., South San Francisco, CA																									13,745		18,575		2		13,745		18,577		32,322		611			35		2018	( A )	40,410
347 Oyster Point Blvd, South San Francisco, CA																									14,071		18,289		8		14,071		18,297		32,368		602			35		2018	( A )	39,780
349 Oyster Point Blvd., South San Francisco, CA																									23,112		22,601		771		23,112		23,372		46,484		919			35		2018	( A )	65,340
505 Mathilda Ave., Sunnyvale, CA				37,843		1,163		50,847		37,943		51,910		89,853		1,966		35	2014	(C)	212,322				37,843		1,163		50,450		37,943		51,513		89,456		6,388			35		2014	( C )	212,322
555 Mathilda Ave., Sunnyvale, CA				37,843		1,163		50,560		37,943		51,623		89,566		1,966		35	2014	(C)	212,322				37,843		1,163		50,447		37,943		51,510		89,453		6,387			35		2014	( C )	212,322
605 Mathilda Ave., Sunnyvale, CA				29,014		891		76,844		29,090		77,659		106,749		4,354		35	2014	(C)	162,785				29,014		891		77,281		29,090		78,096		107,186		14,036			35		2014	( C )	162,785
599 N. Mathilda Ave., Sunnyvale, CA				13,538		12,559		58		13,538		12,617		26,155		1,778		35	2012	(A)	75,810
599 Mathilda Ave., Sunnyvale, CA																									13,538		12,559		58		13,538		12,617		26,155		3,568			35		2012	( A )	76,031
601 108th Ave., Bellevue, WA				—		214,095		30,538		—		244,633		244,633		42,168		35	2011	(A)	488,470				—		214,095		33,860		—		247,955		247,955		70,018			35		2011	( A )	488,470
10900 NE 4th St., Bellevue, WA				25,080		150,877		20,089		25,080		170,966		196,046		23,731		35	2012	(A)	416,755				25,080		150,877		36,619		25,080		187,496		212,576		46,105			35		2012	( A )	428,557
10210 NE Points Dr., Kirkland, WA				4,336		24,187		2,659		4,336		26,846		31,182		5,022		35	2011	(A)	84,641
10220 NE Points Dr., Kirkland, WA				2,554		12,080		1,040		2,554		13,120		15,674		2,414		35	2011	(A)	49,851
10230 NE Points Dr., Kirkland, WA				5,071		24,694		3,671		5,070		28,366		33,436		5,189		35	2011	(A)	98,982
3933 Lake WA Blvd. NE, Kirkland, WA				2,380		15,114		3,428		2,380		18,542		20,922		3,450		35	2011	(A)	46,450
837 N. 34th St., Lake Union, WA				—		37,404		2,541		—		39,945		39,945		5,397		35	2012	(A)	111,580				—		37,404		3,817		—		41,221		41,221		9,697			35		2012	( A )	111,580
701 N. 34th St., Lake Union, WA				—		48,027		1,393		—		49,420		49,420		7,717		35	2012	(A)	138,995				—		48,027		7,989		—		56,016		56,016		13,785			35		2012	( A )	138,994
801 N. 34th St., Lake Union, WA				—		58,537		164		—		58,701		58,701		7,676		35	2012	(A)	169,412				—		58,537		1,657		—		60,194		60,194		14,159			35		2012	( A )	169,412
320 Westlake Avenue North, WA	79,667		(12)	14,710		82,018		1,087		14,710		83,105		97,815		8,236		35	2013	(A)	184,643	74,479		(13)	14,710		82,018		5,063		14,710		87,081		101,791		16,693			35		2013	( A )	184,644
321 Terry Avenue North, Lake Union, WA			(12)	10,430		60,003		227		10,430		60,230		70,660		6,294		35	2013	(A)	135,755			(13)	10,430		60,003		9,987		10,430		69,990		80,420		13,046			35		2013	( A )	135,755
401 Terry Avenue North, Lake Union, WA				22,500		77,046		—		22,500		77,046		99,546		4,889		35	2014	(A)	140,605				22,500		77,046		—		22,500		77,046		99,546		12,888			35		2014	( A )	140,605
TOTAL OPERATING PROPERTIES	373,886			835,393		2,617,322		1,514,091		875,794		4,091,012		4,966,806		994,241					13,032,406	335,811			1,117,915		2,777,476		2,472,731		1,160,138		5,207,984		6,368,122		1,391,368							13,232,580
Undeveloped land and construction in progress	1,810		(13)	730,351		111		630,878		730,351		630,989		1,361,340		—					—	—			940,092		—		1,118,418		940,092		1,118,418		2,058,510		—							—
TOTAL ALL PROPERTIES	$	375,696	(14)	$	1,565,744	$	2,617,433	$	2,144,969	$	1,606,145	$	4,722,001	$	6,328,146	$	994,241				13,032,406	$	335,811	(14)	$	2,058,007	$	2,777,476	$	3,591,149	$	2,100,230	$	6,326,402	$	8,426,632	$	1,391,368						13,232,580

~~__________________________~~

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

SCHEDULE III – REAL ESTATE AND ACCUMULATED DEPRECIATION – (Continued)

December 31, 2018

__________________


(1)	The initial costs of buildings and improvements are depreciated over 35 years using a straight-line method of accounting; improvements capitalized subsequent to acquisition are depreciated over the shorter of the lease term or useful life, generally ranging from one to 20 years.

~~F - 62~~


(2)	Represents our date of construction or acquisition, or of our predecessor, the Kilroy Group.


(3)	Includes square footage from our stabilized portfolio.


(4)	These properties secure ~~a $4.0 million mortgage note.~~intercompany promissory notes between KRLP and consolidated property partnerships.


(5)	~~These properties secure a $65.6 million mortgage note.~~


~~(6)~~	These properties include the costs of a shared parking structure for a complex ~~that will be~~ comprised of five office buildings ~~upon completion. Once completed, the~~and one residential tower. The costs of the parking structure ~~will be reallocated~~are allocated amongst the ~~five~~six buildings.


(6)	This property represents the 200-unit Columbia Square - Residential tower that stabilized in 2016.


(7)	These costs represent infrastructure costs incurred in 1989. During the third quarter of 2009, we exercised our option to terminate the ground lease at Kilroy Airport Center, Phase IV in Long Beach, California. We had previously leased this land, which is adjacent to our Office Properties at Kilroy Airport Center, Long Beach, for potential future development opportunities.


(8)	These properties secure a ~~$96.4~~$170.0 million mortgage note.


(9)	~~This property, comprised of 73,000 rentable square feet, is excluded from our stabilized portfolio as of December 31, 2015, as it is in the “lease-up” phase.~~These properties secure a $91.3 million mortgage note


(10)	These properties are owned by Redwood City Partners LLC, a consolidated ~~subsidiary.~~property partnership.


(11)	This property ~~secures~~is owned by 303 Second Street Member LLC, a ~~$128.3 million mortgage note.~~consolidated property partnership.


(12)	~~These properties secure~~This property is owned by 100 First Street Member LLC, a ~~$79.7 million mortgage note.~~consolidated property partnership.


(13)	~~Represents the principal balance of the public facility bonds (the “Bonds”), the proceeds from~~These properties secure a $74.5 million mortgage note, which ~~were used to finance infrastructure improvements on one of our undeveloped land parcels. The Bonds are secured by property tax payments.~~was repaid at par in February 2019.


(14)	Represents gross aggregate principal amount before the effect of the unamortized premium of approximately ~~$6.2~~$0.8 million and deferred financing costs of $1.0 million as of December 31, ~~2015.~~2018.


(15)	This property is currently in the tenant improvement phase of our in-process development projects and not yet in the stabilized portfolio. The estimated rentable square feet for this property is 400,000 rentable square feet.

~~F - 63~~

KILROY REALTY CORPORATION AND KILROY REALTY, L.P.

SCHEDULE III – REAL ESTATE AND ACCUMULATED DEPRECIATION – (Continued)

December 31, ~~2015~~2018

~~The~~As of December 31, 2018, the aggregate gross cost of property included above for federal income tax purposes approximated ~~$5.5~~$7.0 billion. This amount excludes approximately$0.1 billion as of gross costs attributable to a property held in a VIE at December 31, ~~2015~~.2018 to facilitate a potential Section 1031 Exchange.

The following table reconciles the historical cost of total real estate held for investment from January 1, ~~2013~~2016 to December 31, ~~2015~~2018:


	Year Ended December 31,									Year Ended December 31,
	2015			2014			2013			2018			2017			2016
	(in thousands)									(in thousands)
Total real estate held for investment, beginning of year	$	6,057,932		$	5,264,947		$	4,757,394		$	7,417,777		$	7,060,754		$	6,328,146
Additions during period:
Acquisitions	139,123			340,296			384,650			581,671			19,829			460,957
Improvements, etc.	536,411			588,166			452,331			991,008			533,939			386,836
Total additions during period	675,534			928,462			836,981			1,572,679			553,768			847,793
Deductions during period:
Cost of real estate sold	(231,984		)	(113,416		)	(56,993		)	(286,623		)	(191,610		)	(68,200		)
Properties held for sale	(160,074		)	(14,700		)	(259,251		)	—			—			(13,193		)
Other	(13,262		)	(7,361		)	(13,184		)	(277,201		)	(5,135		)	(33,792		)
Total deductions during period	(405,320		)	(135,477		)	(329,428		)	(563,824		)	(196,745		)	(115,185		)
Total real estate held for investment, end of year	$	6,328,146		$	6,057,932		$	5,264,947		$	8,426,632		$	7,417,777		$	7,060,754

The following table reconciles the accumulated depreciation from January 1, ~~2013~~2016 to December 31, ~~2015~~2018:


	Year Ended December 31,									Year Ended December 31,
	2015			2014			2013			2018			2017			2016
	(in thousands)									(in thousands)
Accumulated depreciation, beginning of year	$	947,664		$	818,957		$	756,515		$	1,264,162		$	1,139,853		$	994,241
Additions during period:
Depreciation of real estate	159,524			153,841			145,325			198,578			190,515			171,983
Total additions during period	159,524			153,841			145,325			198,578			190,515			171,983
Deductions during period:
Write-offs due to sale	(66,603		)	(18,111		)	(17,144		)	(71,372		)	(66,206		)	(22,471		)
Properties held for sale	(46,191		)	(7,007		)	(63,110		)	—			—			(3,900		)
Other	(153		)	(16		)	(2,629		)	—			—			—
Total deductions during period	(112,947		)	(25,134		)	(82,883		)	(71,372		)	(66,206		)	(26,371		)
Accumulated depreciation, end of year	$	994,241		$	947,664		$	818,957		$	1,391,368		$	1,264,162		$	1,139,853

~~F - 64~~

EXHIBIT INDEX



Exhibit Number		Description
3.(i)1		Kilroy Realty Corporation Articles of Restatement (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended June 30, 2012)
3.(i)2		Certificate of Limited Partnership of Kilroy Realty, L.P. (previously filed by Kilroy Realty, L.P., as an exhibit to the General Form for Registration of Securities on Form 10 as filed with the Securities and Exchange Commission on August 18, 2010)
3.(i)3		Amendment to the Certificate of Limited Partnership of Kilroy Realty, L.P. (previously filed by Kilroy Realty, L.P., as an exhibit to the General Form for Registration of Securities on Form 10 as filed with the Securities and Exchange Commission on August 18, 2010)
3.(i)4		Articles Supplementary ~~designating Kilroy Realty Corporation’s 6.375%~~reclassifying shares of the Series ~~H Cumulative Redeemable~~G Preferred Stock of the Company (previously filed by Kilroy Realty Corporation as an exhibit on Form ~~8-A~~8-K as filed with the Securities and Exchange Commission on August ~~10, 2012)~~23, 2017)
3.(i)5		Articles Supplementary reclassifying shares of the Series H Preferred Stock of the Company (previously filed by Kilroy Realty Corporation as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on August 23, 2017)
3.(ii)1		~~Third~~ Fifth Amended and Restated Bylaws of Kilroy Realty Corporation (previously filed by Kilroy Realty Corporation as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on ~~December 11, 2014)~~February 1, 2017)
3.(ii)2		Seventh Amended and Restated Agreement of Limited Partnership of Kilroy Realty, L.P. dated August 15, 2012, as amended (previously filed by Kilroy Realty Corporation on Form 10-Q for the quarter ended June 30, 2014)
4.1		Kilroy Realty Corporation Form of Certificate for Common Stock (previously filed by Kilroy Realty Corporation as an exhibit to the Registration Statement on Amendment No. 3 to Form S-11 (No. 333-15553))
4.2		Specimen Certificate for Kilroy Realty Corporation’s 6.875% Series G Cumulative Redeemable Preferred Stock (previously filed by Kilroy Realty Corporation on Form 8-A as filed with the Securities and Exchange Commission on March 22, 2012)
~~4.3~~		Specimen Certificate for Kilroy Realty Corporation’s 6.375% Series H Cumulative Redeemable Preferred Stock (previously filed by Kilroy Realty Corporation on Form 8-A as filed with the Securities and Exchange Commission on August 10, 2012)
~~4.4~~		Registration Rights Agreement, dated January 31, 1997 (previously filed by Kilroy Realty Corporation as an exhibit to the Registration Statement on Amendment No. 3 to Form S-11 (No. 333-15553))
~~4.5~~4.3		Registration Rights Agreement, dated October 31, 1997 (previously filed by Kilroy Realty Corporation as an exhibit on Form 8-K/A as filed with the Securities and Exchange Commission on December 19, 1997)
~~4.6~~		~~Registration Rights Agreement, dated October 6, 2000 (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-K for the year ended December 31, 2000)~~
~~4.7~~		Form of Certificate for Partnership Units of Kilroy Realty, L.P. (previously filed by Kilroy Realty, L.P., as an exhibit to the General Form for Registration of Securities on Form 10 as filed with the Securities and Exchange Commission on August 18, 2010)
~~4.8~~4.4		Indenture, dated May 24, 2010, among Kilroy Realty, L.P., as issuer, Kilroy Realty Corporation, as guarantor, and U.S. Bank National Association, as trustee, including the form of 6.625% Senior Notes due 2020 and the form of the related guarantee (previously filed by Kilroy Realty Corporation as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on May 25, 2010)
~~4.9~~		Registration Rights Agreement, dated May 24, 2010, among Kilroy Realty, L.P., Kilroy Realty Corporation, J.P. Morgan Securities Inc., Banc of America Securities LLC and Barclays Capital Inc. (previously filed by Kilroy Realty Corporation as an exhibit on Form 8−K as filed with the Securities and Exchange Commission on May 25, 2010)
~~4.10~~		Officers’ Certificate pursuant to Sections 101, 201, 301 and 303 of the Indenture dated March 1, 2011, among Kilroy Realty, L.P., as issuer, Kilroy Realty Corporation, as guarantor, and U.S. Bank National Association, as trustee, establishing a series of securities entitled “4.800% Notes due 2018,” including the form of 4.800% Notes due 2018 and the form of related guarantee (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P. as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on July 6, 2011)



~~Exhibit~~ ~~Number~~		~~Description~~
~~4.11~~		Registration Rights Agreement, dated July 31, 2012 (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended June 30, 2012)
~~4.12~~4.5		Officers’ Certificate pursuant to Sections 101, 201, 301 and 303 of the Indenture dated March 1, 2011, among Kilroy Realty, L.P., as issuer, Kilroy Realty Corporation, as guarantor, and U.S. Bank National Association, as trustee, establishing a series of securities entitled “3.800% Notes due 2023,” including the form of 3.800% Notes due 2023 and the form of related guarantee (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P. as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on January 14, 2013)
~~4.13~~4.6		Indenture, dated March 1, 2011, by and among Kilroy Realty, L.P., as issuer, Kilroy Realty Corporation, as guarantor, and U.S. Bank National Association, as trustee (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P. as an exhibit to the Registration Statement on Form S-3 as filed with the Securities and Exchange Commission on October 2, 2013)
~~4.14~~4.7		Supplemental Indenture, dated July 5, 2011, among Kilroy Realty, L.P., as issuer, Kilroy Realty Corporation, as guarantor, and U.S. Bank National Association, as trustee (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P. as an exhibit to the Registration Statement on Form S-3 as filed with the Securities and Exchange Commission on October 2, 2013)
~~4.15~~4.8		Officers’ Certificate pursuant to Sections 102, 201, 301 and 303 of the Indenture dated March 1, 2011, among Kilroy Realty, L.P., as issuer, Kilroy Realty Corporation, as guarantor, and U.S. Bank National Association, as trustee, establishing a series of securities entitled “4.25% Senior Notes due 2029,” including the form of 4.25% Senior Notes due 2029 and the form of related guarantee (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P. as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on August 6, 2014)


~~4.16~~
Exhibit Number		Description
4.9		Officers’ Certificate, dated September 16, 2015, pursuant to Sections 102, 201, 301 and 303 of the Indenture dated March 1, 2011, among Kilroy Realty, L.P., as issuer, Kilroy Realty Corporation, as guarantor, and U.S. Bank National Association, as trustee, establishing a series of securities entitled “4.375% Senior Notes due 2025,” including the form of 4.375% Senior Notes due 2025 and the form of related guarantee (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P. as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on September 16, 2015)
~~4.17~~4.10		Officers’ Certificate, dated December 11, 2017, pursuant to Sections 102, 201, 301 and 303 of the Indenture dated March 1, 2011, among Kilroy Realty, L.P., as issuer, Kilroy Realty Corporation, as guarantor, and U.S. Bank National Association, as trustee, establishing a series of securities entitled “3.450% Senior Notes due 2024,” including the form of 3.450% Senior Notes due 2024 and the form of related guarantee (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P. as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on December 11, 2017)
4.11		Officers’ Certificate, dated November 29, 2018, pursuant to Sections 102, 201, 301 and 303 of the Indenture dated March 1, 2011, as amended and supplemented, among Kilroy Realty, L.P., as issuer, Kilroy Realty Corporation, as guarantor, and U.S. Bank National Association, as trustee, establishing a series of securities entitled “4.750% Senior Notes due 2028,” including the form of 4.750% Senior Note due 2028 and the form of related guarantee (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P., as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on November 29, 2018)
4.12		The Company is party to agreements in connection with long-term debt obligations, none of which individually exceeds ten percent of the total assets of the Company on a consolidated basis. Pursuant to Item 601(b)(4)(iii)(A) of Regulation S-K, the Company agrees to furnish copies of these agreements to the Commission upon request
10.1		Pledge Agreement by and among Kilroy Realty, L.P., John B. Kilroy, Sr., John B. Kilroy, Jr. and Kilroy Industries (previously filed by Kilroy Realty Corporation as an exhibit to the Registration Statement on Amendment No. 3 to Form S-11 (No. 333-15553))
10.2†		1997 Stock Option and Incentive Plan of the Registrant and Kilroy Realty, L.P. (previously filed by Kilroy Realty Corporation as an exhibit to the Registration Statement on Amendment No. 3 to Form S-11 (No. 333-15553))
10.3		Lease Agreement, dated January 24, 1989, by and between Kilroy Long Beach Associates and the City of Long Beach for Kilroy Long Beach Phase I (previously filed by Kilroy Realty Corporation as an exhibit to the Registration Statement on Amendment No. 2 to Form S-11 (No. 333-15553))
~~10.4~~		First Amendment to Lease Agreement, dated December 28, 1990, by and between Kilroy Long Beach Associates and the City of Long Beach for Kilroy Long Beach Phase I (previously filed by Kilroy Realty Corporation as an exhibit to the Registration Statement on Amendment No. 2 to Form S-11 (No. 333-15553))
~~10.5~~		~~Second Amendment to Lease Agreement, dated April 28, 1997, by and between Kilroy Long Beach Associates and the City of Long Beach for Kilroy Long Beach Phase I~~
~~10.6~~		~~Third Amendment to Lease Agreement, dated June 20, 2002, by and between Kilroy Long Beach Associates and the City of Long Beach for Kilroy Long Beach Phase I~~
~~10.7~~		Lease Agreement, dated December 30, 1988, by and between Kilroy Long Beach Associates and the City of Long Beach for Kilroy Long Beach Phase II (previously filed by Kilroy Realty Corporation as an exhibit to the Registration Statement on Form S-11 (No. 333-15553))
~~10.8~~		First Amendment to Lease Agreement, dated December 28, 1990, by and between Kilroy Long Beach Associates and the City of Long Beach for Kilroy Long Beach Phase II (previously filed by Kilroy Realty Corporation as an exhibit to the Registration Statement on Form S-11 (No. 333-15553))



~~Exhibit~~ ~~Number~~		~~Description~~
~~10.9~~		~~Second Amendment to Lease Agreement, dated April 28, 1997, by and between Kilroy Long Beach Associates and the City of Long Beach for Kilroy Long Beach Phase II~~
~~10.10~~		Lease Agreement, dated July 17, 1985, by and between Kilroy Long Beach Associates and the City of Long Beach for Kilroy Long Beach Phase III (previously filed by Kilroy Realty Corporation as an exhibit to the Registration Statement on Form S-11 (No. 333-15553))
~~10.11~~		First Amendment to Lease, dated January 24, 1989, by and between Kilroy Long Beach Associates and the City of Long Beach for Kilroy Long Beach Phase III (previously filed by Kilroy Realty Corporation as an exhibit to the Registration Statement on Form S-11 (No. 333-15553))
~~10.12~~		Second Amendment to Lease Agreement, dated December 28, 1990, by and between Kilroy Long Beach Associates and the City of Long Beach for Kilroy Long Beach Phase III (previously filed by Kilroy Realty Corporation as an exhibit to the Registration Statement on Form S-11 (No. 333-15553))
~~10.13~~		Third Amendment to Lease Agreement, dated October 10, 1994, by and between Kilroy Long Beach Associates and the City of Long Beach for Kilroy Long Beach Phase III (previously filed by Kilroy Realty Corporation as an exhibit to the Registration Statement on Form S-11 (No. 333-15553))
~~10.14~~		~~Fourth Amendment to Lease Agreement, dated June 20, 2002, by and between Kilroy Long Beach Associates and the City of Long Beach for Kilroy Long Beach Phase III~~
~~10.15~~		Development Agreement by and between Kilroy Long Beach Associates and the City of Long Beach (previously filed by Kilroy Realty Corporation as an exhibit to the Registration Statement on Form S-11 (No. 333-15553))
~~10.16~~		Amendment No. 1 to Development Agreement by and between Kilroy Long Beach Associates and the City of Long Beach (previously filed by Kilroy Realty Corporation as an exhibit to the Registration Statement on Form S-11 (No. 333-15553))
~~10.17~~		License Agreement by and among the Registrant and the other persons named therein (previously filed by Kilroy Realty Corporation as an exhibit to the Registration Statement on Amendment No. 4 to Form S-11 (No. 333-15553))
~~10.18~~10.4†		Contribution Agreement, dated October 21, 1997, by and between Kilroy Realty, L.P., Kilroy Realty Corporation, The Allen Group and the Allens (previously filed by Kilroy Realty Corporation as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on November 21, 1997)
~~10.19~~		Amendment to the Contribution Agreement, dated October 14, 1998, by and between Kilroy Realty, L.P., Kilroy Realty Corporation, The Allen Group and the Allens dated October 21, 1997 (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended September 30, 1998)
~~10.20†~~		Form of Restricted Stock Award Agreement (previously filed by Kilroy Realty Corporation as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on February 8, 2007)
~~10.21†~~10.5†		~~Kilroy Realty Corporation 2007 Deferred Compensation Plan (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended June 30, 2007)~~
~~10.22†~~		Employment Agreement by and among Kilroy Realty Corporation, Kilroy Realty, L.P. and Tyler H. Rose effective as of January 1, 2007 (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended June 30, 2007)
~~10.23†~~		Amendment No. 1 to Employment Agreement by and among Kilroy Realty Corporation, Kilroy Realty, L.P. and Tyler H. Rose effective as of December 31, 2009 (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-K for the year ended December 31, 2008)
~~10.24†~~		Kilroy Realty Corporation Stock Award Deferral Program (previously filed by Kilroy Realty Corporation as an exhibit to Form 8-K as filed with the Securities and Exchange Commission on January 2, 2008)
~~10.25†~~10.6†		Form of Indemnification Agreement of Kilroy Realty Corporation with certain officers and directors (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-K for the year ended December 31, 2009)
~~10.26†~~10.7†		Separation Agreement and Release, dated December 16, 2009, by and between Richard E. Moran Jr., Kilroy Realty, L.P. and Kilroy Realty Corporation (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-K for the year ended December 31, 2009)



~~Exhibit~~ ~~Number~~		~~Description~~
~~10.27~~		Deed of Trust and Security Agreement, dated January 26, 2010, between Kilroy Realty, L.P. and The Northwestern Mutual Life Insurance Company; related Promissory Note, dated January 26, 2010 for $71 million payable to The Northwestern Mutual Life Insurance Company; and related Guarantee of Recourse Obligations, dated January 26, 2010 by Kilroy Realty Corporation (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-K for the year ended December 31, 2009)
~~10.28~~		Promissory Note, dated January 12, 2011, executed by Kilroy Realty 303, LLC (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P. as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on January 13, 2011)
~~10.29~~		Deed of Trust, Security Agreement and Fixture Filing, dated January 12, 2011, executed by Kilroy Realty 303, LLC (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P. as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on January 13, 2011)
~~10.30~~		Guaranty, dated January 12, 2011, executed by Kilroy Realty, L.P. (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P. as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on January 13, 2011)
~~10.31~~		Unsecured Indemnity Agreement, dated January 12, 2011, executed by Kilroy Realty 303, LLC (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P. as an exhibit on Form 8−K as filed with the Securities and Exchange Commission on January 13, 2011)
~~10.32†~~		Kilroy Realty Corporation Form of Stock Option Grant Notice and Stock Option Agreement (previously filed by Kilroy Realty Corporation as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on February 24, 2012)
~~10.33†~~10.8†		Amended and Restated Employment Agreement by and between Kilroy Realty Corporation, Kilroy Realty, L.P. and John B. Kilroy, Jr. (previously filed by Kilroy Realty Corporation on Form 8-K as filed with the Securities and Exchange Commission on April 4, 2012)
~~10.34†~~		Noncompetition Agreement by and between Kilroy Realty Corporation, Kilroy Realty, L.P. and John B. Kilroy, Jr. (previously filed by Kilroy Realty Corporation on Form 8-K as filed with the Securities and Exchange Commission on April 4, 2012)
~~10.35~~		~~Term Loan Agreement, dated March 29, 2012 (previously filed by Kilroy Realty Corporation on Form 8-K as filed with the Securities and Exchange Commission on April 2, 2012)~~
~~10.36~~		~~First Amendment to Term Loan Agreement, dated November 28, 2012 (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-K for the year ended December 31, 2012)~~
~~10.37~~		~~Guaranty of Payment of Kilroy Realty Corporation, dated March 29, 2012 (previously filed by Kilroy Realty Corporation on Form 8-K as filed with the Securities and Exchange Commission on April 2, 2012)~~
~~10.38~~		~~Promissory Note, dated June 28, 2012 (previously filed by Kilroy Realty Corporation on Form 8-K as filed with the Securities and Exchange Commission on July 5, 2012)~~
~~10.39~~		Loan Agreement, dated June 28, 2012, by and between KR MML 12701, LLC and Massachusetts Mutual Life Insurance Company (previously filed by Kilroy Realty Corporation on Form 8-K as filed with the Securities and Exchange Commission on July 5, 2012)
~~10.40~~		Deed of Trust, Assignment of Leases and Rents, Security Agreement and Fixture Filing (Irvine) for 2211 Michelson Drive, Irvine, California, dated June 28, 2012 (previously filed by Kilroy Realty Corporation on Form 8-K as filed with the Securities and Exchange Commission on July 5, 2012)
~~10.41~~		Deed of Trust, Assignment of Leases and Rents, Security Agreement and Fixture Filing (Santa Monica) for 2100-2110 Colorado Avenue, Santa Monica, California, dated June 28, 2012 (previously filed by Kilroy Realty Corporation on Form 8-K as filed with the Securities and Exchange Commission on July 5, 2012)
~~10.42~~		~~Recourse Guaranty Agreement, dated June 28, 2012 (previously filed by Kilroy Realty Corporation on Form 8-K as filed with the Securities and Exchange Commission on July 5, 2012)~~
~~10.43~~		~~Environmental Indemnification Agreement, dated June 28, 2012 (previously filed by Kilroy Realty Corporation on Form 8-K as filed with the Securities and Exchange Commission on July 5, 2012)~~



~~Exhibit~~ ~~Number~~		~~Description~~
~~10.44†~~		Kilroy Realty Corporation 2006 Incentive Award Plan Restricted Stock Unit Agreement by and between Kilroy Realty Corporation and Jeffrey C. Hawken, dated April 4, 2013 (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended June 30, 2013)
~~10.45†~~		Kilroy Realty Corporation 2006 Incentive Award Plan Restricted Stock Unit Agreement by and between Kilroy Realty Corporation and John Kilroy, Jr., dated March 30, 2012 (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended June 30, 2013)
~~10.46†~~		Form of Restricted Stock Unit Agreement (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended June 30, 2013)
~~10.47†~~10.9†		Form of Stock Award Deferral Program Restricted Stock Unit Agreement (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended June 30, 2013)
~~10.48†~~10.10†		Form of Performance-Vest Restricted Stock Unit Agreement (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended March 31, 2014)
~~10.49†~~10.11†		Form of Restricted Stock Unit Agreement (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended March 31, 2014)


~~10.50†~~
Exhibit Number		Description
10.12†		Form of Restricted Stock Unit Agreement for Non-Employee Members of the Board of Directors (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended March 31, 2014)
~~10.51†~~10.13†		~~Kilroy Realty 2006 Incentive Award Plan (previously filed by Kilroy Realty Corporation on Form 8-K as filed with the Securities and Exchange Commission on May 21, 2015)~~
~~10.52~~		~~Amended and Restated Revolving Credit Agreement, dated June 23, 2014 (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended June 30, 2014)~~
~~10.53~~		~~Amended and Restated Guaranty, dated June 23, 2014 (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended June 30, 2014)~~
~~10.54~~		~~Term Loan Agreement, dated July 31, 2014 (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended September 30, 2014)~~
~~10.55~~		~~Guaranty, dated July 31, 2014 (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended September 30, 2014)~~
~~10.56~~		Sales Agreement, dated December 12, 2014, between Kilroy Realty Corporation, Kilroy Realty, L.P. and RBC Capital Markets, LLC (previously filed by Kilroy Realty Corporation as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on December 12, 2014)
~~10.57~~		Sales Agreement, dated December 12, 2014, between Kilroy Realty Corporation, Kilroy Realty, L.P. and Jefferies LLC (previously filed by Kilroy Realty Corporation as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on December 12, 2014)
~~10.58~~		Sales Agreement, dated December 12, 2014, between Kilroy Realty Corporation, Kilroy Realty, L.P. and KeyBanc Capital Markets Inc. (previously filed by Kilroy Realty Corporation as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on December 12, 2014)
~~10.59~~		Sales Agreement, dated December 12, 2014, between Kilroy Realty Corporation, Kilroy Realty, L.P. and BNP Paribas Securities Corp. (previously filed by Kilroy Realty Corporation as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on December 12, 2014)
~~10.60~~		Sales Agreement, dated December 12, 2014, between Kilroy Realty Corporation, Kilroy Realty, L.P. and J.P. Morgan Securities LLC (previously filed by Kilroy Realty Corporation as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on December 12, 2014)
~~10.61~~		Sales Agreement, dated December 12, 2014, between Kilroy Realty Corporation, Kilroy Realty, L.P. and Barclays Capital Inc. (previously filed by Kilroy Realty Corporation as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on December 12, 2014)
~~10.62†~~		Form of Performance-Vest Restricted Stock Unit Agreement (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended March 31, 2015)
~~10.63†~~10.14†		Form of Restricted Stock Unit Agreement (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended March 31, 2015)
~~10.64†~~10.15†		Form of Restricted Stock Unit Agreement for Non-Employee Members of the Board of Directors (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended March 31, 2015)



~~Exhibit~~ ~~Number~~ 10.16†		~~Description~~
10.65†*		Amended and Restated Employment Agreement and Non-Competition Agreement by and between Kilroy Realty Corporation, Kilroy Realty, L.P. and Jeffrey C. Hawken effective as of December 31, 2015 (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-K for the year ended December 31, 2015)
10.66†*10.17†		Kilroy Realty Corporation 2006 Incentive Award Plan Restricted Stock Unit Agreement by and between Kilroy Realty Corporation and Jeffrey C. Hawken, dated January 9, 2016 (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended March 31, 2016)
10.18†		Amended and Restated Employment Agreement and Non-Competition Agreement by and between Kilroy Realty Corporation, Kilroy Realty, L.P. and Tyler H. Rose effective as of January 28, 2016 (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended March 31, 2016)
10.19†		Amended and Restated Employment Agreement and Non-Competition Agreement by and between Kilroy Realty Corporation, Kilroy Realty, L.P. and Justin W. Smart effective as of January 28, 2016 (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended March 31, 2016)
10.20†		Kilroy Realty Corporation Director Compensation Policy effective as of ~~January~~April 1, ~~2016~~2018 (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended March 31, 2018.
12.1*10.21†		~~Statement~~Employment Agreement, as amended and restated December 27, 2018, by and between Kilroy Realty Corporation, Kilroy Realty, L.P. and John B. Kilroy, Jr. (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P., as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on December 31, 2018)
10.22†		Kilroy Realty Corporation 2006 Incentive Award Plan Restricted Stock Unit Agreement by and between Kilroy Realty Corporation and John B. Kilroy, Jr., dated December 27, 2018 (with retirement as to Time-Based RSUs) (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P., as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on December 31, 2018)
10.23†		Kilroy Realty Corporation 2006 Incentive Award Plan Restricted Stock Unit Agreement by and between Kilroy Realty Corporation and John B. Kilroy, Jr., dated December 27, 2018 (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P., as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on December 31, 2018)
10.24†*		Form of ~~Computation~~Restricted Stock Unit Agreement for 2006 Incentive Award Plan
10.25		Note Purchase Agreement dated September 14, 2016 (previously filed by Kilroy Realty Corporation as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on September 14, 2016)
10.26		Amendment to Note Purchase Agreement dated May 11, 2018 (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P., as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on May 14, 2018)
10.27		Form of ~~Consolidated Ratio of Earnings to Fixed Charges and Consolidated Ratio of Earnings to Combined Fixed Charges and Preferred Dividends~~Time Sharing Agreement of Kilroy Realty, L.P. (previously filed by Kilroy Realty Corporation as an exhibit on Form 10-Q for the quarter ended September 30, 2016)
12.2*10.28		~~Statement of Computation of Consolidated Ratio of Earnings to Fixed Charges of~~ Promissory Note, dated November 29, 2016 (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P., as an exhibit on Form 10-K for the year ended December 31, 2017)



Exhibit Number		Description
10.29		Loan Agreement, dated November 29, 2016, by and between KR WMC, LLC and Massachusetts Mutual Life Insurance Company (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P., as an exhibit on Form 10-K for the year ended December 31, 2017)
10.30		Deed of Trust, Assignment of Leases and Rents, Security Agreement and Fixture Filing, dated November 29, 2016 (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P., as an exhibit on Form 10-K for the year ended December 31, 2017)
10.31		Assignment of Leases and Rents, dated November 29, 2016 (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P., as an exhibit on Form 10-K for the year ended December 31, 2017)
10.32		Recourse Guaranty Agreement, dated November 29, 2016 (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P., as an exhibit on Form 10-K for the year ended December 31, 2017)
10.33		Environmental Indemnification Agreement, dated November 29, 2016 (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P., as an exhibit on Form 10-K for the year ended December 31, 2017)
10.34†		Kilroy Realty Corporation 2007 Deferred Compensation Plan, as amended and restated effective January 1, 2017 (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P., as an exhibit on Form 10-K for the year ended December 31, 2016)
10.35		General Partner Guaranty Agreement, dated February 17, 2017 (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P., as an exhibit on Form 10-Q for the quarter ended March 31, 2017)
10.36†		Kilroy Realty 2006 Incentive Award Plan (previously filed by Kilroy Realty Corporation as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on May 23, 2017)
10.37		Second Amended and Restated Credit Agreement dated as of July 24, 2017 (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P., as an exhibit on Form 10-Q for the quarter ended June 30, 2017)
10.38		Second Amended and Restated Guaranty dated as of July 24, 2017 (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P., as an exhibit on Form 10-Q for the quarter ended on June 30, 2017)
10.39		Note Purchase Agreement dated May 11, 2018 (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P., as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on May 14, 2018)
10.40		Sales Agreement, dated June 5, 2018, between and among Kilroy Realty Corporation, Kilroy Realty, L.P. and Merrill Lynch, Pierce, Fenner & Smith Incorporated, Citigroup Global Markets Inc., Jefferies LLC, J.P. Morgan Securities LLC, Raymond James & Associates, Inc., RBC Capital Markets, LLC, Scotia Capital (USA) Inc. and SMBC Nikko Securities America, Inc. as Agents, and the Forward Purchasers (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P., as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on June 5, 2018)
10.41		Forward Sale Agreement dated August 8, 2018, among Kilroy Realty Corporation and Barclays Bank PLC, as Forward Purchaser (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P., as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on August 13, 2018)
10.42		Forward Sale Agreement dated August 8, 2018, among Kilroy Realty Corporation and Citibank, N.A., as Forward Purchaser (previously filed by Kilroy Realty Corporation and Kilroy Realty, L.P., as an exhibit on Form 8-K as filed with the Securities and Exchange Commission on August 13, 2018)
21.1*		List of Subsidiaries of Kilroy Realty Corporation
21.2*		List of Subsidiaries of Kilroy Realty, L.P.
23.1*		Consent of Deloitte & Touche LLP for Kilroy Realty Corporation
23.2*		Consent of Deloitte & Touche LLP for Kilroy Realty, L.P.
24.1*		Power of Attorney (included on the signature page of this Form 10-K)
31.1*		Rule 13a-14(a)/15d-14(a) Certification of Chief Executive Officer of Kilroy Realty Corporation



Exhibit Number		Description
31.2*		Rule 13a-14(a)/15d-14(a) Certification of Chief Financial Officer of Kilroy Realty Corporation
31.3*		Rule 13a-14(a)/15d-14(a) Certification of Chief Executive Officer of Kilroy Realty, L.P.
31.4*		Rule 13a-14(a)/15d-14(a) Certification of Chief Financial Officer of Kilroy Realty, L.P.
32.1*		Section 1350 Certification of Chief Executive Officer of Kilroy Realty Corporation
32.2*		Section 1350 Certification of Chief Financial Officer of Kilroy Realty Corporation
32.3*		Section 1350 Certification of Chief Executive Officer of Kilroy Realty, L.P.
32.4*		Section 1350 Certification of Chief Financial Officer of Kilroy Realty, L.P.
101.1		The following Kilroy Realty Corporation and Kilroy Realty, L.P. financial information for the year ended December 31, ~~2015,~~2018, formatted in XBRL (eXtensible Business Reporting Language): (i) Consolidated Balance Sheets, (ii) Consolidated Statements of Income, (iii) Consolidated Statements of Changes in Equity, (iv) Consolidated Statements of Capital, (v) Consolidated Statements of Cash Flows and (vi) Notes to the Consolidated Financial Statements.⁽¹⁾



*	Filed herewith
†	Management contract or compensatory plan or arrangement.
(1)	Pursuant to Rule 406T of Regulation S-T, these interactive data files are deemed not filed or part of a registration statement or prospectus for purposes of Sections 11 or 12 of the Securities Act of 1933 or Section 18 of the Securities Exchange Act of 1934 and otherwise are not subject to liability under these sections.



	Number of Properties/Projects	Estimated Rentable Square Feet ⁽¹⁾
Properties held for sale ⁽²⁾	4	465,812
Development projects in “lease-up”	1	73,000
Development projects under construction	5	1,910,000



	Number of Properties/Projects	Estimated Rentable Square Feet⁽¹⁾
Properties held for sale ⁽²⁾	4	465,812
Development projects in “lease-up”	1	73,000
Development projects under construction	5	1,910,000



	Construction Period
Completed Development Project	Start Date	Completion / Stabilization Date	Rentable Square Feet	Office % Occupied
Crossing/900 Redwood City, California ⁽¹⁾	4Q 2013	4Q 2015	339,987	100.0	%
Columbia Square - Phase 1 Hollywood, California ⁽²⁾	2Q 2013	3Q 2015	108,517	100.0	%
TOTAL:			448,504	100.0	%



	Estimated Construction Period		Estimated Stabilization Date	Estimated Rentable Square Feet	Office % Leased
In-Process Development Projects	Start Date	Completion Date	Estimated Stabilization Date	Estimated Rentable Square Feet	Office % Leased

UNDER CONSTRUCTION:
San Francisco, California
350 Mission Street	4Q 2012	3Q 2015	2Q 2016	450,000	100%
333 Brannan Street	4Q 2013	3Q 2015	2Q 2016	185,000	100%
The Exchange on 16th ⁽¹⁾	2Q 2015	3Q 2017	3Q 2018	700,000	—%

Los Angeles, California
Columbia Square Phase 2 - Office	3Q 2013	1Q 2016	1Q 2017	370,000	58%
Columbia Square Residential	3Q 2013	1Q 2016	1Q 2017	205,000	N/A
SUBTOTAL:				1,910,000	50%



Tenant Name	Annualized Base Rental Revenue⁽¹⁾		Percentage of Total Annualized Base Rental Revenue⁽¹⁾	Lease Expiration Date
	(in thousands)
LinkedIn Corporation	$	28,344	5.9%	Various ⁽⁴⁾
Box, Inc. ⁽²⁾	22,493		4.7%	Various ⁽⁵⁾
DIRECTV, LLC	22,467		4.7%	September 2027
Synopsys, Inc.	15,492		3.2%	August 2030
Bridgepoint Education, Inc.	15,066		3.2%	Various ⁽⁶⁾
Delta Dental of California	10,313		2.2%	May 2018
AMN Healthcare, Inc.	9,001		1.9%	July 2027
Concur Technologies	8,225		1.7%	December 2025
Zenefits Insurance Service	7,314		1.5%	Various ⁽⁷⁾
Scan Group ⁽³⁾	6,487		1.4%	Various ⁽⁸⁾
Group Health Cooperative	6,372		1.3%	September 2017
Neurocrine Biosciences, Inc.	6,366		1.3%	December 2019
Riot Games, Inc.	6,223		1.3%	Various⁽⁹⁾
Institute for Systems Biology	6,207		1.3%	March 2021
Fish & Richardson, P.C.	6,071		1.3%	October 2018
Total	$	176,441	36.9%



Period	Total Number of Shares (or Units) Purchased	Average Price Paid per Share (or Unit)		Total Number of Shares (or Units) Purchased as Part of Publicly Announced Plans or Programs	Maximum Number (or Approximate Dollar Value) that May Yet to be Purchased Under the Plans or Programs
October 1 - October 31, 2015	—	$	—	—	—
November 1 - November 30, 2015	—	$	—	—	—
December 1 - December 31, 2015	62,072	$	63.80	—	—
Total	62,072	$	63.80	—	—



Near-Term Development Pipeline ⁽¹⁾	Location	Potential Start Date ⁽²⁾	Approx. Developable Square Feet	Total Estimated Investment		Total Costs as of 12/31/2015 ⁽³⁾ (in millions)

100 Hooper ⁽⁴⁾	San Francisco	2016	400,000	$	250	$	88.1
Academy Project	Hollywood	2016	545,000	385		61.2
333 Dexter ⁽⁵⁾	South Lake Union	2016	700,000	380		58.4
One Paseo	Del Mar	2016	TBD	TBD		182.1
Total Near-Term Development Pipeline						$	389.8



	1st & 2nd Generation ⁽¹⁾				2nd Generation ⁽¹⁾
	Number of Leases ⁽²⁾		Rentable Square Feet ⁽²⁾		TI/LC per Sq. Ft. ⁽³⁾		Changes in Rents ⁽⁴⁾⁽⁵⁾		Changes in Cash Rents ⁽⁶⁾		Retention Rates ⁽⁷⁾		Weighted Average Lease Term (in months)
	New	Renewal	New	Renewal	TI/LC per Sq. Ft. ⁽³⁾		Changes in Rents ⁽⁴⁾⁽⁵⁾		Changes in Cash Rents ⁽⁶⁾		Retention Rates ⁽⁷⁾		Weighted Average Lease Term (in months)
Year Ended December 31, 2015	81	72	915,773	627,783	$	44.02	32.9	%	20.5	%	42.0	%	72



	Number of Properties/Projects	Estimated Rentable Square Feet
Properties held for sale ⁽¹⁾	4	465,812
Development projects in “lease-up” ⁽²⁾	1	73,000
Development projects under construction ⁽²⁾	5	1,910,000



	Number of Buildings		Rentable Square Feet
Total as of December 31, 2014	111		14,096,617
Completed development properties placed in-service	4		448,504
Dispositions and properties held for sale at December 31, 2015	(14	)	(1,512,206	)
Remeasurement	—		(509	)
Total as of December 31, 2015	101		13,032,406



	Shares/Units at December 31, 2015	Aggregate Principal Amount or $ Value Equivalent		% of Total Market Capitalization
	($ in thousands)
Debt:
Unsecured Term Loan Facility		$	150,000	1.8	%
Unsecured Term Loan		39,000		0.4
Unsecured Senior Notes due 2018 ⁽¹⁾		325,000		3.9
Unsecured Senior Notes due 2020 ⁽¹⁾		250,000		3.0
Unsecured Senior Notes due 2023 ⁽¹⁾		300,000		3.6
Unsecured Senior Notes due 2025 ⁽¹⁾		400,000		4.8
Unsecured Senior Notes due 2029 ⁽¹⁾		400,000		4.8
Secured debt ^{(1) (2)}		375,696		4.4
Total debt		2,239,696		26.7
Equity and Noncontrolling Interests:
6.875% Series G Cumulative Redeemable Preferred stock ⁽³⁾	4,000,000	100,000		1.2
6.375% Series H Cumulative Redeemable Preferred stock ⁽³⁾	4,000,000	100,000		1.2
Common limited partnership units outstanding ⁽⁴⁾⁽⁵⁾	1,764,775	111,675		1.3
Shares of common stock outstanding ⁽⁵⁾	92,258,690	5,838,130		69.6
Total equity and noncontrolling interests		6,149,805		73.3
Total Market Capitalization		$	8,389,501	100.0	%



	Aggregate Principal Amount Outstanding
	(in thousands)
Unsecured Term Loan Facility	$	150,000
Unsecured Term Loan	39,000
Unsecured Senior Notes due 2018	325,000
Unsecured Senior Notes due 2020	250,000
Unsecured Senior Notes due 2023	300,000
Unsecured Senior Notes due 2025	400,000
Unsecured Senior Notes due 2029	400,000
Secured Debt⁽¹⁾	375,696
Total Unsecured and Secured Debt	2,239,696
Less: Unamortized Net Discounts	(1,188		)
Total Debt, Net of Unamortized Net Discounts	$	2,238,508



	Number of Buildings	Rentable Square Feet (unaudited)	Number of Tenants	Percentage Occupied (unaudited)
Stabilized Office Properties	101	13,032,406	517	94.8	%



	Number of Properties/Projects	Estimated Rentable Square Feet (unaudited) ⁽¹⁾
Properties held for sale⁽²⁾	4	465,812
Development projects in “lease-up"	1	73,000
Development projects under construction	5	1,910,000



Project	Date of Acquisition	City/Submarket	Type	Purchase Price ⁽¹⁾ (in millions)
2015 Acquisitions
333 Dexter ⁽²⁾	February 13, 2015	Seattle, WA	Land	$	49.5
100 Hooper ⁽³⁾	July 7, 2015	San Francisco, CA	Land	78.0
Total				$	127.5

2014 Acquisitions
The Exchange on 16th ⁽⁴⁾	May 23, 2014	San Francisco, CA	Land	$	95.0
Flower Mart ⁽⁵⁾	October 23, 2014	San Francisco, CA	Land
Flower Mart ⁽⁵⁾	December 19, 2014	San Francisco, CA	Land	71.0
Total				$	166.0



Properties	Submarket	Property Type	Number of Buildings	Rentable Square Feet (unaudited)
Torrey Santa Fe Properties ⁽¹⁾⁽²⁾	Del Mar	Office	4	465,812



					Principal Amount as of December 31,
	Issuance date	Maturity date	Stated coupon rate	Effective interest rate⁽¹⁾	2015			2014
					(in thousands)
4.375% Unsecured Senior Notes ⁽²⁾	September 2015	October 2025	4.375%	4.440%	$	400,000		$	—
Unamortized discount					(2,159		)	$	—
Net carrying amount					$	397,841		$	—

4.250% Unsecured Senior Notes ⁽³⁾	July 2014	August 2029	4.250%	4.350%	$	400,000		$	400,000
Unamortized discount					(4,050		)	(4,348		)
Net carrying amount					$	395,950		$	395,652

3.800% Unsecured Senior Notes ⁽⁴⁾	January 2013	January 2023	3.800%	3.804%	$	300,000		$	300,000
Unamortized discount					(70		)	(79		)
Net carrying amount					$	299,930		$	299,921

4.800% Unsecured Senior Notes ⁽⁴⁾⁽⁵⁾	July 2011	July 2018	4.800%	4.827%	$	325,000		$	325,000
Unamortized discount					(191		)	(265		)
Net carrying amount					$	324,809		$	324,735

6.625% Unsecured Senior Notes ⁽⁶⁾	May 2010	June 2020	6.625%	6.743%	$	250,000		$	250,000
Unamortized discount					(940		)	(1,154		)
Net carrying amount					$	249,060		$	248,846

5.000% Unsecured Senior Notes ⁽⁷⁾	November 2010	November 2015	5.000%	5.014%	$	—		$	325,000
Unamortized discount					—			(33		)
Net carrying amount					$	—		$	324,967

Total Unsecured Senior Notes, Net					$	1,667,590		$	1,594,121



	Period Ended November 15, 2014⁽¹⁾		Year Ended December 31, 2013
Per share average trading price of the Company's common stock	$	60.04	$	52.12



	2015 Performance-Based RSU Grant	2014 Performance-Based RSU Grant
Service vesting period	December 31, 2017	December 31, 2016
Target RSUs granted	127,657	119,098
Estimated RSUs earned based on FFO per share performance condition	185,510	178,650
Date of fair valuation	January 27, 2015	May 22, 2014



	2015 Award Fair Value Assumptions	2014 Award Fair Value Assumptions
Valuation date	January 27, 2015	May 22, 2014
Fair value per share on valuation date	$78.55	$65.03
Expected share price volatility	20.00%	24.00%
Risk-free interest rate	0.92%	0.61%
Remaining expected life	2.9 years	2.6 years



	Nonvested Restricted Stock		Weighted-Average Grant Date Fair Value Per Share
Outstanding at January 1, 2015	85,061		$	47.05
Vested ⁽¹⁾	(24,264	)	46.39
Outstanding as of December 31, 2015	60,797		$	47.32



	Number of Options		Exercise Price		Intrinsic Value (in millions) ⁽¹⁾
Outstanding at December 31, 2014	1,008,000		$	42.61	$	26.7
Exercised	(342,000	)	42.61		10.3
Forfeited	(56,000	)	42.61		1.3
Outstanding at December 31, 2015 ⁽²⁾	610,000		$	42.61	$	12.6

Options exercisable at December 31, 2015 ⁽³⁾	70,000		$	42.61	$	1.4



	Balance at Beginning of Period		Charged to Costs and Expenses		Recoveries (Deductions)			Balance at End of Period ⁽¹⁾
Allowance for Uncollectible Tenant Receivables for the year ended December 31,
2015 – Allowance for uncollectible tenant receivables	$	1,999	$	303	$	(222	)	$	2,080
2014 – Allowance for uncollectible tenant receivables	2,134		58		(193		)	1,999
2013 – Allowance for uncollectible tenant receivables	2,581		396		(843		)	2,134
Allowance for Unbilled Deferred Rent for the year ended December 31,
2015 – Allowance for deferred rent	$	1,989	$	242	$	(349	)	$	1,882
2014 – Allowance for deferred rent	2,075		—		(86		)	1,989
2013 – Allowance for deferred rent	2,607		—		(532		)	2,075