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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 10-K
(Mark One)
☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the fiscal year ended December 31, 2019
OR
☐ 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 001-12307
ZIONS BANCORPORATION, NATIONAL ASSOCIATION
(Exact name of registrant as specified in its charter)
United States of America87-0189025
(State or other jurisdiction of
incorporation or organization)
(IRS Employer
Identification Number)
One South Main
Salt Lake City, Utah84133-1109
(Address of principal executive offices)(Zip Code)
Registrant’s telephone number, including area code: (801) 844-7637
Securities registered pursuant to Section 12(b) of the Act:
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 10-K
ý ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the fiscal year ended December 31, 2017
OR
¨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 001-12307
ZIONS BANCORPORATION
(Exact name of Registrant as specified in its charter)
UTAH87-0227400
(State or other jurisdiction of
incorporation or organization)
(Internal Revenue Service Employer
Identification Number)
One South Main, 15th Floor
Salt Lake City, Utah
84133
(Address of principal executive offices)(Zip Code)
Registrant’s telephone number, including area code: (801) 844-7637
Securities registered pursuant to Section 12(b) of the Act:
Title of Each ClassTrading SymbolsName of Each Exchange on Which Registered
Common Stock, without par value $0.001ZIONThe NASDAQ Stock Market LLC
Warrants to Purchase Common Stock (expiring May 22, 2020)The NASDAQ Stock Market LLC
Warrants to Purchase Common Stock (expiring November 14, 2018)ZIONWThe NASDAQ Stock Market LLC
Depositary Shares each representing a 1/40th ownership interest in a share of Series A Floating-Rate Non-Cumulative Perpetual Preferred Stock
New York Stock Exchange
Depositary Shares each representing a 1/40th ownership interest in a share of of:
Series A Floating-Rate Non-Cumulative Perpetual Preferred StockZIONPThe NASDAQ Stock Market LLC
Series G Fixed/Floating-Rate Non-Cumulative Perpetual Preferred StockNew YorkZIONOThe NASDAQ Stock ExchangeMarket LLC
Depositary Shares each representing a 1/40th ownership interest in a share of Series H 5.75% Non-Cumulative Perpetual Preferred StockNew YorkZIONNThe NASDAQ Stock ExchangeMarket LLC
6.95% Fixed-to-Floating Rate Subordinated Notes due September 15, 2028New YorkZIONLThe NASDAQ Stock Exchange
Securities registered pursuant to Section 12(g) of the Act: None.
Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes ý No ¨
Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. Yes ¨ No ý
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. Yes ý 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). Yes ý No ¨
Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K (Section 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. ¨
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. Large accelerated filer ý            Accelerated filer ¨
Non-accelerated filer ¨Smaller reporting company ¨
Emerging growth company ¨
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ¨ No ý
Aggregate Market Value of Common Stock Held by Non-affiliates at June 30, 2017$8,745,683,795
Number of Common Shares Outstanding at February 9, 2018196,514,295 shares
Documents Incorporated by Reference: Portions of the Company’s Proxy Statement – Incorporated into Part IIILLC

Securities registered pursuant to Section 12(g) of the Act: None.
Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes ý No ¨
Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. Yes ¨ No ý
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. Yes ý No ¨
Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted 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 such files). Yes ý No ¨
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.
Large accelerated filer ý Accelerated filer ¨ Non-accelerated filer ¨ Smaller reporting company 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. ¨
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ¨ No ý
Aggregate Market Value of Common Stock Held by Non-affiliates at June 30, 2019    $8,004,067,633
Number of Common Shares Outstanding at February 6, 2020        164,919,353 shares
Documents Incorporated by Reference: Part III of this Annual Report on Form 10-K incorporates by reference specified portions of Zions Bancorporation, National Association's Proxy Statement for its 2020 Annual Meeting of Shareholders, which the registrant anticipates will be filed with the Securities and Exchange Commission approximately March 19, 2020.

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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
PART I
FORWARD-LOOKING INFORMATION
This annual report includes forward-looking statements within the meaning of Section 21E of the Securities Exchange Act of 1934, as amended, or the Exchange Act. Statements in this Annual Report on Form 10-K includes “forward-looking statements” as that are based on other than historical data are forward-looking within the meaning ofterm is defined in the Private Securities Litigation Reform Act of 1995. Forward-lookingThese statements provideare based on management’s current expectations or forecasts ofregarding future events or determinations, all of which are subject to known and unknown risks, uncertainties and other factors that may cause our actual results, performance or achievements, market trends, industry results or regulatory outcomes to differ materially from those expressed or implied by such forward-looking statements. Forward-looking statements include, among others:
statements with respect to the beliefs, plans, objectives, goals, targets, commitments, designs, guidelines, expectations, anticipations, and future financial condition, results of operations and performance of Zions Bancorporation, (“the Parent”)National Association and its subsidiaries (collectively “Zions Bancorporation, N.A.,” “the Company,” “Zions,Bank,” “we,” “our,” “us”); and
statements preceded by, followed by, or that include the words “may,” “might,” “can,” “could,” “should,” “would,” “believe,” “anticipate,” “estimate,” “expect,” “intend,” “target,” “commit,” “design,” “plan,” “projects,” "will," and the negative thereof and similar words and expressions.
These forward-looking statements are not guarantees of future performance, nor should they be relied upon as representing management’s views as of any subsequent date. Forward-looking statements by their nature address matters that are, to different degrees, uncertain, such as statements about future financial and operating results, the potential timing or consummation of the proposed transaction described in the presentation and receipt of regulatory approvals or determinations, or the anticipated benefits thereof, including without limitation, future financial and operating results. Actual results and outcomes may differ materially from those presented, either expressed or implied, including, but not limited to, those presented in Management’s Discussion and Analysis (“MDA”MD&A”). Important risk factors that may cause such material differences include, but are not limited to:
the Company’sBank’s ability to successfully execute its business plans, manage its risks, and achieve its objectives, including its restructuringoperating leverage;
the impact of acquisitions, dispositions, and efficiency initiativescorporate restructurings;
increases in the levels of losses, customer bankruptcies, bank failures, claims, and its capital plan;assessments;
the ability of the Bank to retain and recruit executives and other personnel necessary for their businesses and competitiveness;
changes in local, national and international political and economic conditions, including without limitation the political and economic effects of the economic and fiscal imbalance in the United SatesStates (“U.S.”) and other countries, potential or actual downgrades in ratings of sovereign debt issued by the United StatesU.S. and other countries, and other major developments, including wars, military actions, and terrorist attacks;
changes in business, financial and commodity market pricesmarkets and conditions, either internationally, nationally or locally in areas in which the CompanyBank conducts its operations, including without limitation rates of business formation and growth, commercial and residential real estate development, real estate prices, agricultural-related commodity prices, and oil and gas-related commodity prices;
changes in markets for equity, fixed income, commercial paper and other securities, commodities, including availability, market liquidity levels, and pricing;
changes in interest rates, the quality and composition of the loan and securities portfolios, demand for loan products, deposit flows, and competition;
uncertainty regarding the future of the London Interbank Offered Rate (“LIBOR”), and the potential transition away from LIBOR toward new interest rate benchmarks;
the rate of change of the Bank’s interest-sensitive assets and liabilities relative to changes in benchmark interest rates;
changes in fiscal, monetary, regulatory, trade and tax policies and laws, and regulatory assessments and fees, including policies of the U.S. Department of Treasury, the Office of the Comptroller of the Currency (“OCC”), the Board of Governors of the Federal Reserve System, the Federal Deposit Insurance Corporation (“FDIC”), the Securities and Exchange Commission (“SEC”), and the Consumer Financial Protection Bureau (“CFPB”);
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changes in consumer spending and savings habits;
inflation and deflation;
increased competitive challenges and expanding product and pricing pressures among financial institutions;
legislation or regulatory changes that adversely affect the Bank’s operations or business;
the Bank’s ability to comply with applicable laws and regulations;
costs of deposit insurance and changes with respect to FDIC insurance coverage levels;
any impairment of our goodwill or other intangibles, or any adjustment of valuation allowances on our deferred tax assets (“DTAs”) due to adverse changes in the economic environment, declining operations of the reporting unit, or a change to the corporate statutory tax rate or other similar changes if and as implemented by local and national governments, or other factors;
changes in interest rates, the quality and composition of the loan and securities portfolios, demand for loan products, deposit flows and competition;
the impact of acquisitions, dispositions, and corporate restructurings;
increases in the levels of losses, customer bankruptcies, bank failures, claims, and assessments;
changes in fiscal, monetary, regulatory, trade and tax policies and laws, and regulatory assessments and fees, including policies of the U.S. Department of Treasury, the OCC, the Board of Governors of the Federal Reserve System, the FDIC, the SEC, and the CFPB;

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the impact of executive compensation rules under the Dodd-Frank Act and banking regulations, which may impact the ability of the Company and other American financial institutions to retain and recruit executives and other personnel necessary for their businesses and competitiveness;
the impact of the Dodd-Frank Act and Basel III, and rules and regulations thereunder, on our required regulatory capital and liquidity levels, governmental assessments on us, (including, but not limited to, the Federal Reserve reviews of our annual capital plan), the scope of business activities in which we may engage, the manner in which we engage in such activities, and the fees we may charge for certain products and services,services;
uncertainties related to the application of the National Bank Act of 1863, 12 U.S.C. 38 (the “National Bank Act”) and other matters affectedOCC regulations to the Bank’s corporate affairs as more fully described under “Risk Factors”;
changes in accounting policies or procedures as may be required by the Dodd-Frank ActFinancial Accounting Standards Board (“FASB”) or regulatory agencies;
risks and these international standards;uncertainties related to the ability to obtain shareholder and regulatory approvals when required, or the possibility that such approvals may be delayed;
continuing consolidation in the financial services industry;
new legal claims against the Company,Bank, including litigation, arbitration and proceedings brought by governmental or self-regulatory agencies, or changes in existing legal matters;
success in gaining regulatory approvals, when required;
changes in consumer spendingeconomies of scale attendant to the development of digital and savings habits;
increased competitive challengesother technologies by much larger bank and expanding product and pricing pressures among financial institutions;
inflation and deflation;
technological changesnonbank competitors, and the Company’s implementationpossible entry of new technologies;technology “platform” companies into the financial services business;
the Company’sBank’s ability to develop and maintain secure and reliable information technology systems;systems, including as necessary to guard against fraud, cybersecurity and privacy risks; and
legislation or regulatory changes which adversely affect the Company’s operations or business;
the Company’s abilityBank’s implementation of new technologies, including its core deposit system, to comply with applicable laws and regulations;
changes in accounting policies or procedures as may be required by the FASB or regulatory agencies; and
costs of deposit insurance and changes with respect to FDIC insurance coverage levels.remain competitive.
Except to the extent required by law, the CompanyBank specifically disclaims any obligation to update any factors or to publicly announce the result of revisions to any of the forward-looking statements included herein to reflect future events or developments.
AVAILABILITY OF INFORMATION
We also make available free of charge on our website, www.zionsbancorporation.com, annual reports on Form 10-K, quarterly reports on Form 10-Q, and current reports on Form 8-K and amendments to those reports filed or furnished pursuant to Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as well as proxy statements, as soon as reasonably practicable after we electronically file such material with, or furnish it to, the U.S. Securities and Exchange Commission.
GLOSSARY OF ACRONYMS AND ABBREVIATIONS
ACLAllowance for Credit LossesCCARCECLComprehensive Capital Analysis and ReviewCurrent Expected Credit Loss
AFSAvailable-for-SaleCET1Common Equity Tier 1 (Basel III)
ALCOAsset/Liability CommitteeCFPBConsumer Financial Protection Bureau
ALLLAllowance for Loan and Lease LossesCLTVCombined Loan-to-Value Ratio
AmegyALMAsset Liability ManagementCMCCapital Management Committee
AmegyAmegy Bank, a division of ZB, N.A.CMCCapital Management Committee
AOCIAccumulated Other Comprehensive IncomeCompanyZions Bancorporation, and its subsidiaries
ASCNational AssociationAccounting Standards CodificationCOSOCOSOCommittee of Sponsoring Organizations of the Treadway Commission
ASUAOCIAccumulated Other Comprehensive IncomeCRACommunity Reinvestment Act
ASCAccounting Standards CodificationCRECommercial Real Estate
ASUAccounting Standards UpdateCRACSACommunity Reinvestment ActCredit Support Annex
ATMAutomated Teller MachineCRECSVCommercial Real EstateCash Surrender Value
BHC ActBOLIBank Holding Company ActCSACredit Support Annex
BOLIBank-Owned Life InsuranceCSVCash Surrender Value
bpsbasis pointsDFASTDodd-Frank Act Stress Test
CB&TCalifornia Bank & Trust, a division of ZB, N.A.Dodd-Frank ActDodd-Frank Wall Street Reform and Consumer Protection Act
bpsbasis pointsDTADeferred Tax Asset
CB&TCalifornia Bank & Trust, a division of Zions Bancorporation, National AssociationEaREarnings at Risk

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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
DTAEITFDeferred Tax AssetNIMNet Interest Margin
EaREarnings at RiskNRENational Real Estate
EITFEmerging Issues Task ForceNSBNevada State Bank, a division of ZB, N.A.Zions Bancorporation, National Association
ERMEnterprise Risk ManagementNSFROCCNet Stable Funding Ratio
ERMCEnterprise Risk Management CommitteeOCCOffice of the Comptroller of the Currency
EVEERMCEnterprise Risk Management CommitteeOCIOther Comprehensive Income
EVEEconomic Value of Equity at RiskOCIOREOOther Comprehensive Income
Exchange ActSecurities Exchange Act of 1934OREOOther Real Estate Owned
FAMCFASBFinancial Accounting Standards BoardOTTIOther-Than-Temporary Impairment
FAMCFederal Agricultural Mortgage Corporation, or “Farmer Mac”OTTIPCAOBOther-Than-Temporary ImpairmentPublic Company Accounting Oversight Board
FASBFDICFinancial Accounting Standards BoardPAGAPrivate Attorney General Act
FDICFederal Deposit Insurance CorporationParentPEIZions BancorporationPrivate Equity Investment
FDICIAFederal Deposit Insurance Corporation Improvement ActPCAOBPPNRPublic Company Accounting Oversight BoardPre-provision Net Revenue
FHLBFederal Home Loan BankPCIROCPurchased Credit-ImpairedRisk Oversight Committee
FHLMCFINRAFederal Home Loan Mortgage Corporation, or “Freddie Mac”PEIPrivate Equity Investment
FINRAFinancial Industry Regulatory AuthorityPPNRROUPre-provision Net RevenueRight-of-Use
FRBFTPFederal Reserve BoardROCRisk Oversight Committee
FSOCFinancial Stability Oversight CouncilRSURestricted Stock Unit
FTPFunds Transfer PricingRULCReserve for Unfunded Lending Commitments
GAAPGenerally Accepted Accounting PrinciplesS&PStandard and Poor's
GLB ActHECLGramm-Leach-Bliley ActSABStaff Accounting Bulletin
HCRHorizontal Capital ReviewSBASmall Business Administration
HECLHome Equity Credit LineSBICSBASmall Business Administration
HTMHeld-to-MaturitySBICSmall Business Investment Company
HQLAIMGHigh-Quality Liquid AssetsInternational Manufacturing GroupSECSecurities and Exchange Commission
HTMISDAHeld-to-MaturityInternational Swaps and Derivative AssociationSIFISystemically Important Financial Institution
IMGLCRInternational Manufacturing GroupSNCShared National Credit
KBWKeefe, Bruyette & Woods, Inc.TCBOThe Commerce Bank of Oregon, a division of ZB, N.A.
LCRLiquidity Coverage RatioTCBWThe Commerce Bank of Washington, a division of ZB, N.A.Zions Bancorporation, National Association
LGDLIBORLoss Given DefaultTDRTroubled Debt Restructuring
LIBORLondon Interbank Offered RateThe ActTDRTax Cuts and Jobs Act of 2017Troubled Debt Restructuring
LNCMD&ALarge and NoncomplexU.S.United States
LSALoss Sharing AgreementUSA Patriot ActUniting and Strengthening of America by Providing Appropriate Tools Required to Intercept and Obstruct Terrorism Act of 2001
MD&AManagement’s Discussion and AnalysisVectraTier 1Vectra Bank Colorado, a division of ZB, N.A.Common Equity Tier 1 (Basel III) and Additional Tier 1 Capital
MunicipalitiesState and Local GovernmentsVIETopic 842Variable Interest EntityASU 2016-02, Leases
NASDAQNational Association of Securities Dealers Automated QuotationsZB, N.A.U.S.ZB, National AssociationUnited States
NAVNet Asset ValueZionsVectraVectra BankZions Bank, Colorado, a division of ZB, N.A.Zions Bancorporation, National Association
NBAZNational Bank of Arizona, a division of ZB,Zions Bancorporation, National AssociationVIEVariable Interest Entity
NIMNet Interest MarginZions Bancorporation, N.A.Zions Bancorporation, National Association
NMNot MeaningfulZions BankZions Bank, a division of Zions Bancorporation, National Association
NRENational Real Estate

ITEM 1.BUSINESS
ITEM 1. BUSINESS
DESCRIPTION OF BUSINESS
Zions Bancorporation, (“the Parent”) is a financial holding company organized under the laws of the State of Utah in 1955, and registered under the Bank Holding Company Act (“BHC Act”), as amended. The Parent owns and operates a commercial bank with a total of 433 branches at year-end 2017. The ParentNational Association and its subsidiaries (collectively “Zions Bancorporation, N.A.,” “the Company”Bank,” “we,” “our,” “us”) provideis a national commercial bank headquartered in Salt Lake City, Utah. The Bank owns and operates 434 branches at year-end 2019, and is currently planning to close 12 branches during 2020. The Bank provides a full range of banking and related services, primarily in Arizona, California, Colorado, Idaho, Nevada, New Mexico, Oregon, Texas, Utah, Washington, and Wyoming. The CompanyBank conducts its banking operations through seven separately managed and branded segments, which we sometimes refer to as

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“affiliates” “affiliates” or by reference to their respective brands. Full-time equivalent employees totaled 10,08310,188 at December 31, 2017.2019, and due to position eliminations in early January, the amount of full-time equivalent employees as of January 31, 2020 was 9,873. For further information about the Company’sBank’s industry segments, see “Business Segment Results” on page 4645 in MD&A and Note 2022 of the Notes to Consolidated Financial Statements. For information about the Company’sBank’s foreign operations,
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see “Foreign Exposure and Operations” on page 5352 in MD&A. The “Executive Summary” on page 3331 in MD&A provides further information about the Company.Bank.
Zions Bancorporation, National Association is the successor to Zions Bancorporation by merger of Zions Bancorporation into ZB, N.A. on September 30, 2018. References to “Zions Bancorporation, N.A.,” “the Bank,” “we,” “our,” and “us” are intended to refer to Zions Bancorporation and its subsidiaries for periods prior to the merger and to Zions Bancorporation, National Association, and its subsidiaries for periods on and after the merger.
PRODUCTS AND SERVICES
The CompanyBank focuses on providing community banking services by continuously strengthening its core business lines of (1) smallsmall- and medium-sized business and corporate banking; (2) commercial and residential development, construction and term lending; (3) retail banking; (4) treasury cash management and related products and services; (5) residential mortgage servicinglending and lending;servicing; (6) trust and wealth management; (7) limited capital markets activities, including municipal finance advisory and underwriting; and (8) investment activities. It operates primarily through seven geographic regions, each with its own local branding, chief executive officer and management team.
In addition to providing a wide variety of commercial products and services, the CompanyBank provides a range of personal banking services to individuals, including home mortgages, bankcard, other installment loans, home equity lines of credit, checking accounts, savings accounts, certificates of deposit of various types and maturities, trust services, safe deposit facilities, and Internetinternet and mobile banking. The CompanyBank provides services to key market segments through its Private Client Services and Executive Banking Groups.groups. It offers self-directed brokerage services through Zions Direct and also offers comprehensive and personalized wealth management and investment services.
The CompanyBank has built specialized lines of business in capital markets and public finance and is a leader in small business administration (“SBA”) lending. The CompanyBank is one of the nation’s largest providers of SBA 7(a) and SBA 504 financing to small businesses. ItThe Bank owns an equity interestinterests in FAMC and is one of its top originatororiginators of secondary market agricultural real estate mortgage loans. The CompanyBank provides finance advisory and corporate trust services for municipalities. The CompanyBank also provides bond transfer, stock transfer, and escrow services nationally in its corporate trust business.
COMPETITION
The CompanyBank operates in a highly competitive environment. The Company’sBank’s most direct competition for loans and deposits comes from other commercial banks, credit unions, and thrifts, including institutions that do not have a physical presence in our market footprint but solicit via the Internetinternet and other means. In addition, the CompanyBank competes with finance companies, mutual funds, insurance companies, brokerage firms, securities dealers, investment banking companies, financial technology and other non-traditionalnontraditional lending and banking companies, and a variety of other types of companies. These companies may have fewer regulatory constraints and some have lower cost structures or tax burdens.
The primary factors in competing for business include the quality of service delivered, our local community knowledge, convenience of office locations, online banking functionality and other delivery methods, range of products offered, pricing, and pricing.the overall relationship with our clients. The CompanyBank must compete effectively along all of these dimensions to remain successful.
SUPERVISION AND REGULATION
This section describes the material elements of selected laws and regulations applicable to the Company.Bank. The descriptions are not intended to be complete and are qualified in their entirety by reference to the full text of the statutes and regulations described. Changes in applicable laws or regulations, and in their application by regulatory agencies, cannot be predicted, butpredicted; however, they may have a material effect on the business and results of the Company.Bank.
On November 20, 2017,September 30, 2018, we announced a proposalcompleted the merger of Zions Bancorporation, the Bank’s former holding company, with and into Zions Bancorporation, N.A., sometimes referred to streamline our corporate structure by mergingherein as the Parent into its bank subsidiary, ZB, N.A. and, in connection with the proposed restructuring, our intention to file an application“restructuring.” More information

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about the restructuring and its effects can be found in the proxy statement filed by Zions Bancorporation with the SEC on July 24, 2018. In connection with completing the restructuring, we also received approval of an application filed with the Financial Stability Oversight Council (“FSOC”) seeking a determination that the resulting banking organizationBank is not "systemically important"“systemically important” as defined by provisions of the Dodd-Frank Act. The merger is contingent upon approval by the Office of the Comptroller of the CurrencyWall Street Reform and Consumer Protection Act (“OCC”), Federal Deposit Insurance Corporation (“FDIC”), and the Company’s shareholders. Assuming the restructuring is completed and the application to FSOC is approved, the resulting banking organization would no longer be subject to duplicative examinations and other overlapping regulatory requirements, or the enhanced prudential standards established by the Board of Governors of the Federal Reserve System under Section 165 of the Dodd-Frank Act. The Company’s primarily regulator would be the OCC. The Company would continue to be subject to examinations by the CFPB with respect to consumer financial regulations.
There can be no assurance that the restructuring will be completed or that the FSOC application will be approved. Accordingly, the discussion below is based on the regulatory regime currently applicable to us and our current holding company structure. For a description of the material elements of the current regulatory regime applicable to us that would be eliminated if our proposals are successful, see “Regulatory Relief if Proposed Restructuring is Completed and FSOC Application is Approved” below.Act”).
The banking and financial services business in which we engage is highly regulated. Such regulation is intended among other things, to improve the stability of banking and financial companies and to protect the interests of customers including both loan customers and depositors, and taxpayers. These regulations are not, however, generally intended to protect the interests of our shareholders or creditors, and in fact may have the consequence of reducing returns to our shareholders. This regulatory framework has been materially revisedBanking laws and expanded since the 2008-2009 financial crisis and recession. In particular, the Dodd-Frank Act and regulations promulgated pursuant to it have given financial regulators expanded powers over nearly every aspectmany aspects of the Company’s business. These include, among other things, new, higher regulatory capital requirements; regulation of dividends and other forms of capital distributions to shareholders through annual stress testing and capital planning processes; heightened liquidity and liquidity stress testing requirements,financial services industry, which include specific definitions of the types of investment securities that qualify as “high-quality liquid assets” and which effectively limit the portion of the Company’s balance sheet that can be used to meet the credit needs of its customers; specific limitations on mortgage lending products and practices; specific limits on certain consumer payment fees; and subjecting compensation practices to specific regulatory oversight and restrictions. Individually and collectively, these additional regulations have imposed and will continue to impose higher costs on the Company, and have reduced and may continue to reduce returns earned by shareholders. Some aspects
Legislative changes to laws governing the financial industry occur frequently; some of this legislation materially affects the Dodd-Frank Act continue to be subject to rulemaking,manner in which we and other financial institutions operate, including increasing the majoritycosts and other burdens of conducting our businesses. In addition, the rules thatbanking agencies regularly promulgate new regulations or modify existing regulations, which also have been adopted may be subject to interpretation or clarification,significant impact on the financial industry. The content and accordingly, the impact of such regulatory changes cannot presently be presently determined. Recent political developments, including the change in the executive administration of the United States, have increased uncertainty to the implementation, scope, and timing of regulatory reforms, including those related to the implementation of the Dodd-Frank Act. The CompanyBank is committed to both satisfying heightened regulatory expectations and providing attractive shareholder returns. However, given the still-changingever-evolving regulatory environment, and such uncertainty, the results of these efforts cannot yet be known.
In the first quarter of 2017, the President of the United States issued an executive order identifying “core principles” for the administration’s financial services regulatory policy and directing the Secretary of the Treasury, in consultation with the heads of other financial regulatory agencies, to evaluate how the current regulatory framework promotes or inhibits the principles and what actions have been, and are being, taken to promote the principles. In response to the executive order, on June 12, 2017, October 6, 2017 and October 26, 2017, respectively, the U.S. Department of the Treasury issued the first three of four reports recommending a number of comprehensive changes in the current regulatory system for U.S. depository institutions, the U.S. capital markets and the U.S. asset management and insurance industries. These recommendations, if implemented, could reduce some of the burdens and costs of the current regulatory framework.
General
The Parent is a bank holding company and a financial holding company as provided by the BHC Act, as modified by the GLB Act and the Dodd-Frank Act. These and other federal statutes provide the regulatory framework for

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bank holding companies and financial holding companies, which have as their umbrella regulator the FRB. The supervision of ZB, N.A. and other regulated subsidiaries is conducted by each subsidiary’s primary functional regulator and the laws and regulations administered by those regulators. The GLB Act allows our subsidiary bank to engage in certain financial activities through financial subsidiaries. To qualify for and maintain status as a financial holding company, or to do business through a financial subsidiary, the Parent and its subsidiary bank must satisfy certain ongoing criteria. The Company currently engages in only limited activities for which financial holding company status is required.
ZB, N.A.Bank is subject to the provisions of the National Bank Act and other statutes governing national banks, as well as the rules and regulations of the OCC, the Consumer Financial Protection Bureau (“CFPB”),CFPB, and the FDIC. It is also subject to examination and supervision by the OCC and examination by the CFPB in respect of federal consumer financial regulations. In addition, Zions BancorporationThe Bank, as well as some of its subsidiaries, is subject to examination by the Federal Reserve Bank of San Francisco. Some of our nonbank subsidiaries are also subject to regulation by the Federal Reserve Board (“FRB”) and other federal and state agencies. These regulatory agencies may exert considerable influence over our activities through their supervisory and examination roles. Our brokerage and investment advisory subsidiaries are regulated by the SEC, Financial Industry Regulatory Authority (“FINRA”) and/or state securities regulators.
The National Bank Act
Prior to the restructuring, Zions Bancorporation’s corporate affairs were governed by Utah state law and securities law matters were governed by the federal securities laws, including the Securities Act of 1933 (“Securities Act”) and the Securities Exchange Act of 1934 (“Exchange Act”), as administered by the SEC. Each of these legal regimes is well-developed and used widely by public companies.
Following the restructuring, the Bank’s corporate affairs are governed by the National Bank Act and related regulations administered by the OCC. With respect to securities matters, the Bank is not subject to the Securities Act, but is subject to OCC regulations governing securities offerings. The Bank’s common stock and certain other securities are registered or deemed registered under the Exchange Act, which vests the OCC with the power to administer and enforce certain sections of the Exchange Act applicable to banks such as the Bank, though the Bank continues to make filings required by the Exchange Act with the SEC as a voluntary filer. These statutory and regulatory regimes are not as well developed as the corporate and securities law regimes applicable to many other publicly held corporations. See discussion under “Risk Factors.”
The Dodd-Frank Act
The most recent financial crisis led to numerous new laws in the United States and internationally for financial institutions. The Dodd-Frank Act, which was enacted in July 2010, is one of the most far reaching legislative actions affecting the financial services industry in decades and significantly restructured the financial regulatory regime in the United States. Implementation of the Dodd-Frank Act and related rulemaking activities continued in 2017.
The Dodd-Frank Act and regulations adopted under the Dodd-Frank Act broadly affect the financial services industry by creating new resolution authorities, requiring ongoing stress testing of our capital and liquidity, mandating higher capital and liquidity requirements, requiringindustry. Among other things, the Dodd-Frank Act involves mandatory divestiture of certain equity investments, increasing regulation of executive and incentive-based compensation, requiring banks to pay increased fees to regulatory agencies, and requiring numerous other provisions aimed at strengthening the sound operation of the financial services sector. Among other things affecting capital standards, the Dodd-Frank Act provides that:
the requirements applicable to large bank holding companies (those with consolidated assets of greater than $50 billion) be more stringent than those applicable to other financial companies;
standards applicable to bank holding companies be no less stringent than those applied to insured depository institutions; and
bank regulatory agencies implement countercyclical elements in their capital requirements.
Regulations promulgated under the Dodd-Frank Act require usmany banks to maintain greater levels of capital and liquid assets than was generally the case beforeprior to the crisisenactment of the Dodd-Frank Act and limit the forms of capital
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that we will be able tosuch banks rely upon for regulatory purposes. In addition,Certain bank holding companies and other financial institutions, known as systemically important financial institutions ("SIFIs") are required to adhere to “enhanced prudential supervision” requirements of the Dodd-Frank Act and the annual Comprehensive Capital Analysis (“CCAR”) process administered by the FRB, which in its supervisory role with respecteffect requires SIFIs to our stress testing andmaintain capital planning, our ability to deliver returns to our shareholders through dividends and stock repurchases is subject to prior non-objectionbased on hypothetical scenarios dictated by the FRB. The stress testingAs a result of the restructuring and capital plan processes also could substantiallyFSOC approval, the Bank is no longer subject to these requirements. However, the Bank continues to be subject to the OCC’s heightened standard guidelines, which establish enhanced requirements for national banks with assets of $50 billion or more, and other regulatory requirements that reduce ourits flexibility to return capital to shareholders and respond to market developments and opportunities in such areas as capital raising and acquisitions. Additionally, in May 2018, the Economic Growth, Regulatory Relief, and Consumer Protection Act, also known as “the Crapo Bill,” was signed into law, reducing regulatory requirements for many banking institutions and exempting the Bank from the capital planning actions as required by the Dodd-Frank Act.
The Dodd-Frank Act’s provisions and related regulations also affect the fees we must pay to regulatory agencies and the pricing of certain products and services, including the following:
The assessment base for federal deposit insurance was changed to consolidated assets less tangible capital instead of the amount of insured deposits.
The federal prohibition on the payment of interest on business transaction accounts was repealed.
The FRB was authorized to issue and did issue regulations governing debit card interchange fees.
The Dodd-Frank Act also created the CFPB, which is responsible for promulgating regulations designed to protect consumers’ financial interests and examining large financial institutions for compliance with, and enforcing, those

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regulations. The Dodd-Frank Act adds prohibitions on unfair, deceptive or abusive acts and practices to the scope of consumer protection regulations overseen and enforced by the CFPB. The Dodd-Frank Act subjected national banks to the possibility of further regulation by restricting the preemption of state laws by federal laws. Restricting the scope of federal preemption could burden national banks with the requirement that they also comply with certain state laws covering matters already covered by federal law. In addition, the Dodd-Frank Act gives greater power to state attorneys general to pursue legal actions against banking organizations for violations of federal law.
The Dodd-Frank Act contains numerous provisions that limit or place significant burdens and costs on activities traditionally conducted by banking organizations, such as originating and securitizing mortgage loans and other financial assets, arranging and participating in swap and derivative transactions, proprietary trading and investing in private equity and other funds. For the affected activities, these provisions may result in increased compliance and other costs, increased legal risk, and decreased scope of product offerings and earning assets.
The Company is subject to the provisions of the Volcker Rule, issued pursuant to the Dodd-Frank Act. The Company has divested all but $3 million of private equity investments (“PEIs”) not permitted under the Volcker Rule. Such investments also provide for $4 million of potential capital calls, which the Company would fund, as allowed by the Volcker Rule, if and as the capital calls are made until the investments are sold. Nevertheless, because the remaining investments are comprised of funds that are in the later stages of their lifecycle, significant future funding requests are not anticipated. The Company continues to pursue the disposition of all non-compliant PEIs. In February 2017, the Federal Reserve Bank of San Francisco approved the Company’s application for an extended transition period of up to five years in which to dispose of its remaining PEIs in light of their illiquid nature.
The Company and other companies subject to the Dodd-Frank Act are subject to a number of requirements regarding the time, manner and form of compensation given to its key executives and other personnel receiving incentive compensation, which are being imposed through the supervisory process as well as published guidance and proposed rules. These restrictions imposed by the Dodd-Frank Act include documentation and governance, deferral, risk-balancing, and clawback requirements. Any deficiencies in compensation practices that are identified may be incorporated into the organization’s supervisory ratings, which can affect its ability to make acquisitions or engage in other activities, or could result in regulatory enforcement actions.
During the second quarter of 2016, the U.S. financial regulators, including the FRB and the SEC, proposed revised rules on incentive-based payment arrangements at specified regulated entities having at least $1 billion in total assets (including Zions)the Bank). The proposed revised rules would establish general qualitative requirements applicable to all covered entities, additional specific requirements for entities with total consolidated assets of at least $50 billion, such as Zions,the Bank, and further, more stringent requirements for those with total consolidated assets of at least $250 billion. The general qualitative requirements include: (i) prohibiting incentive arrangements that encourage inappropriate risks by providing excessive compensation; (ii) prohibiting incentive arrangements that encourage inappropriate risks that could lead to a material financial loss; (iii) establishing requirements for performance measures to appropriately balance risk and reward; (iv) requiring board of director oversight of incentive arrangements; and (v) mandating appropriate record-keeping. For larger financial institutions, including Zions,the Bank, the proposed revised regulations would also introduce very prescriptive requirements relating to the types and percentages, the timing of the realization, and the risk of forfeiture of incentive compensation awarded to “senior executive officers” and “significant risk-takers.” The regulators have not yet issued any final rules.
Some aspects of the Dodd-Frank Act continue to be subject to rulemaking, and many of the rules that have been adopted may be subject to interpretation or clarification. In 2017, the U.S. House of Representatives approved a bill that would significantly amend the post-financial crisis regulatory framework implemented under the Dodd-Frank Act, and a bipartisan group of senators also introduced legislation that would revise various post-financial crisis regulatory requirements and provide targeted relief to certain financial institutions, which may include Zions. If passed, this legislative initiative could result in the Company no longer being deemed a systemically important financial institution (“SIFI”) or subject to the enhanced prudential supervision standards applicable to SIFIs. The
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likelihood and impact of any regulatory and legislative changes are difficult to predict and cannot be presently determined.
Capital Standards - Basel Framework
In 2013, the FRB, FDIC and OCC published final rules (the “Basel III capital rules”) establishing a new comprehensive capital framework for U.S. banking organizations. The Basel III capital rules effectively replaced the Basel I capital rules and implemented the Basel Committee’s December 2010 framework, commonly referred to as Basel III, for strengthening international capital standards as well as certain provisions of the Dodd-Frank Act. The Basel III capital rules substantially revised the risk-based capital requirements applicable to bank holding companies and depository institutions, including the Company,Bank, compared to the Basel I U.S. risk-based capital rules. The Basel III capital rules became effective for the CompanyBank on January 1, 2015 and were subject to phase-in periods for certain of their components. In November 2017, the FRB, FDIC and OCC published a final rule that extended the 2017 transition provisions for non-advanced approaches banks that extends the regulatory capital treatment applicable during 2017 under the regulatorycertain U.S. Basel III capital rules for nonadvanced approaches banks, such as the Bank. Effective January 1, 2018, the final rule retains the 2017 Basel III transitional treatment of certain items.DTAs and mortgage servicing assets, among others. As a result, since January 1, 2018, our DTAs and mortgage servicing assets retained their 2017 risk weight treatment until the federal banking regulators revise the extended transitional treatment under the November 2017 transitional rule.
The Basel III capital rules define the components of capital and address other issues affecting the numerator in banking institutions’ regulatory capital ratios. The Basel III capital rules also address risk weights and other issues affecting the denominator in banking institutions’ regulatory capital ratios and replaced the risk-weighting approach derived from Basel I capital accords of the Basel Committee, with a more risk-sensitive approach based, in part, on the standardized approach in the Basel Committee’s 2004 Basel II capital accords. The Basel III capital rules also implemented the requirements of Section 939A of the Dodd-Frank Act to remove references to credit ratings from the federal banking agencies’ rules.
The Basel III capital rules, among other things, (i) introduced a new capital measure called “Common Equity Tier 1” (“CET1”), (ii) specified that Tier 1 capital consists of CET1 and “Additional Tier 1 capital” instruments meeting specified requirements, (iii) applied most deductions/adjustments to regulatory capital measures to CET1 and not to the other components of capital, thus potentially requiring higher levels of CET1 in order to meet minimum ratios, and (iv) expanded the scope of the deductions/adjustments from capital, as compared to prior regulations.
Under the Basel III capital rules, the minimum capital ratios are as follows:
4.5% CET1 to risk-weighted assets;
6.0% Tier 1 capital (i.e., CET1 plus Additional Tier 1) to risk-weighted assets;
8.0% Total capital (i.e., Tier 1 plus Tier 2) to risk-weighted assets; and
4.0% Tier 1 capital to average consolidated assets as reported on consolidated financial statements (known as the “leverage ratio”).
When fully phased-inAs of January 1, 2019, the Basel III capital rules will also require the Company and its subsidiary bankBank to maintain a 2.5% “capital conservation buffer” designed to absorb losses during periods of economic stress, composed entirely of CET1, on top of the minimum risk-weighted asset ratios, effectively resulting in minimum ratios of (i) CET1 to risk-weighted assets of at least 7.0%, (ii) Tier 1 capital to risk-weighted assets of at least 8.5%, and (iii) Total capital to risk-weighted assets of at least 10.5%. Banking institutions with a ratio of CET1 to risk-weighted assets above the minimum but below the capital conservation buffer will face constraints on dividends, equity repurchases, and compensation based on the amount of the shortfall. The implementationseverity of the capital conservation buffer beganconstraint depends on January 1, 2016 at the 0.625% levelamount of the shortfall and progressively increases over time, as determined by regulation.the institution’s “eligible retained income” (that is four quarter trailing net income, net of distributions and tax effect not reflected in net income).
The Basel III capital rules also prescribed a standardized approach for calculating risk-weighted assets that expanded the risk-weighting categories from Basel I-derived categories (0%, 20%, 50% and 100%) to a much larger and more risk-sensitive number of categories, depending on the nature of the assets, generally ranging from 0% for U.S. Governmentgovernment and agency securities, to 600% for certain equity exposures, to 1,250% for certain securitization exposures, and resulting in higher risk weights for a variety of asset categories. In addition, the Basel III capital rules provided more advantageous risk weights for derivatives and repurchase-style transactions cleared through a
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qualifying central counterparty and increased the scope of eligible guarantors and eligible collateral for purposes of credit risk mitigation.


The Basel III capital rules provided for a number of deductions from and adjustments to CET1. These include, for example, the requirement that mortgage servicing rights, deferred tax assets (“DTAs”)DTAs dependent upon future taxable income, and significant investments in common equity issued by nonconsolidated financial entities be deducted from CET1 to the extent that any one such category exceeds 10% of CET1 or all such categories in the aggregate exceed 15% of CET1. The application of this part of the rule did not result in any deductions from CET1 for us.
Under prior Basel I capital standards, the effects of accumulated other comprehensive income (“AOCI”) items included in capital were excluded for purposes of determining regulatory capital and capital ratios. As a “non-advanced“nonadvanced approaches banking organization,” we made a one-time permanent election as of January 1, 2015 to continue to exclude these items, as allowed under the Basel III capital rules.
Basel III also required additional regulatory capital disclosures to be made that are commonly referred to as “Pillar 3” disclosures. These disclosures require the CompanyBank to make prescribed regulatory disclosures on a quarterly basis regarding its capital structure adequacy and risk-weighted assets. The CompanyBank began publishing these Pillar 3 disclosures in 2015, and such disclosures are available on the Company’sBank’s website.
The Basel Committee has issued a series of updates that propose other changes to capital regulations. In one of these, the Basel Committee finalized a revised framework for calculating minimum capital requirements for market risk, which is expected to increase market risk capital requirements for most banking organizations. The Basel Committee has set an effective date for reporting under the revised framework for market risk capital of December 31, 2019.January 1, 2022. The U.S. federal bank regulatory agencies have not yet proposed rules implementing these revisions for U.S. banking organizations. The CompanyBank met all capital adequacy requirements under the Basel III capital rules as of December 31, 2017.2019.
Capital Planning and Stress Testing
The CompanyAs a result of the successful completion of the restructuring and FSOC approval described elsewhere in this report, and the enactment of the Crapo Bill, the Bank is no longer required by the Dodd-Frank Act to participate in annual stress tests known as the Dodd-Frank Act Stress Test (“DFAST”) and the FRB’s Horizontal Capital Review, also referredCCAR process or publicly disclose the results of stress testing or the Bank’s proposed capital actions. We continue to utilize stress testing as Comprehensive Capital Analysisan important mechanism to inform our decisions on the appropriate level of capital, based upon actual and Review (“HCR/CCAR”).hypothetically-stressed economic conditions. The Company submitted its 2017 capital plan and stress test results to the FRBreflect a set of forward-looking stress tests based upon hypothetical economic scenarios. The Bank utilizes a Moody's baseline scenario based on April 5, 2017. In its capital plan, the Company was required to forecast, under a variety of economic scenariossurveys of baseline forecasts of the U.S. economy. Moody’s Protracted Slump scenario, a downside 4% scenario, is the primary stress scenario considered by the Bank for nine quarters, its estimated regulatory capital ratios, and its generally accepted accounting principles (“GAAP”) tangible common equity ratio. On June 28, 2017, we announcedinternal stress scenario, certain variables of which are adjusted by the Bank to test certain idiosyncrasies that the FRB notified us that it did not objectmay be unique to the capital actions outlined in our 2017 capital plan. The plan included (1) the increaseBank. Detailed disclosure of the quarterly common dividend to $0.24 per share by the second quarter of 2018, following the path of $0.12 per share in the third quarter of 2017, $0.16 per share in the fourth quarter of 2017, $0.20 per share in the first quarter of 2018 and $0.24 per share in the second quarter of 2018; and (2) up to $465 million in total repurchases of common equity.
On June 22, 2017, we filed a Form 8-K with the SEC presenting theBank’s 2019 internal stress test results of the 2017 DFAST.can be found on our website. The 2019 results of the stress test demonstratedindicated that the Company has sufficient capital to withstand a severe hypothetical economic downturn. Detailed disclosure of the stress test results can also be found on our website. In addition, we submitted on October 5, 2017, our mid-cycle company-run DFAST, based upon the Company’s June 30, 2017 financial position. Zions’ mid-cycle DFAST results, based on the hypothetical severely adverse scenario, indicate the CompanyBank would maintain capital ratios at sufficient levels adequate for its risk profile throughout the nine-quarter forecasting horizon. As discussed in the mid-cycle press release, published October 5, 2017, Zions’ hypothetical severely adverse scenario was designed to create a stressful idiosyncratic environment, including a 10% unemployment rate and a 35% decline in commercial property values. During the nine-quarter projection period, the minimum CET1 ratio was 9.9%.
Zions has participated in the annual HCR/CCAR/DFAST exercise since 2014. Prior to 2017, the FRB could object to Zions’ capital plan on either quantitative or qualitative grounds. On January 30, 2017, the FRB announced a final rulehorizon for the 2017 cycle, removing from the qualitative assessment of the exercise those bank holding companies that have total consolidated assets of at least $50 billion but less than $250 billion, on-balance sheet foreign exposure of less than $10 billion, and nonbank assets of less than $75 billion (referred to as large and non-complex (“LNC”)


firms). However, the FRB may still object to a capital plan based on the results of its quantitative assessment. As an LNC firm, Zions will still be subject to regular supervisory assessments to examine the Company’s capital planning processes. Our annual capital plan is due by April each year, and the FRB will publish results of its supervisory HCR/CCAR review of our capital plan by June 30 of each year.
On February 17, 2014, the FRB published final rules to implement Section 165, Enhanced Supervision and Prudential Standards for Nonbank Financial Companies Supervised by the Board of Governors and Certain Bank Holding Companies, of the Dodd-Frank Act. The Company believes that it is in compliance with these rules.hypothetical stress test.
Liquidity
Historically, regulationregulation and monitoring of bank and bank holding company liquidity has been addressed as a supervisory matter, both in the United States and internationally, without required formulaic measures. However, in January 2016, Zions became subject to final rules adopted by the FRB and other banking regulators adopted final rules (“Final Liquidity Coverage Ratio (“LCR”) requirement Rule”) implementing a U.S. version of the Basel Committee’s LCR requirement. The LCR is intended to ensure that banks hold sufficient amounts of so-called HQLAsecurities and other liquid assets to cover the anticipated net cash outflows during a hypothetical acute 30-day stress scenario. Zions is subject to the modified LCR, which is the ratio of an institution’s amount of HQLA (the numerator) over 70% of projected net cash out-flows over the 30-day horizon (the denominator), in each case, as calculated pursuant to the Final LCR Rule. The Final LCR Rule requires institutions subjectapplies to the modified LCR to maintain the modified ratio equal tolarge, internationally active banking organizations (those with at least 100% in order to satisfy this regulatory requirement. Only specific classes of assets, including U.S. Treasury securities, other U.S. government obligations and agency mortgage-backed securities, qualify under the rule as HQLA, with classes of assets deemed relatively less liquid and/or subject to greater degree of credit risk subject to certain haircuts and caps for purposes of calculating the numerator under the Final LCR Rule. The total assumed projected net cash outflows amount is determined under the rule by applying certain hypothetical outflow and inflow rates, which reflect certain standardized stressed assumptions, against the balances of the banking organization’s funding sources, obligations, transactions and assets over the 30-day stress period. Inflows that can be included to offset outflows are limited to 75% of outflows (which effectively means that banking organizations must hold HQLA equal to 25% of outflows even if outflows perfectly match inflows over the stress period).
The Basel III framework also included a second standard, referred to as the net stable funding ratio (“NSFR”), which is designed to promote more medium- and long-term funding of the assets and activities of banks over a one-year time horizon. In May 2016, the FRB and other federal banking regulators issued a proposed rule that would implement the NSFR for large U.S. banking organizations. Under the proposed rule, the most stringent requirements would apply to bank holding companies with $250 billion or more in total consolidated assets or $10 billion or more in on-balance sheet foreign exposure, and would require such organizations to maintain a minimum NSFR of 1.0 on an ongoing basis, calculated by dividing the organization’s available stable funding by its required stable funding. Bank holding companies with less than $250 billion, but more than $50 billion in total consolidated assets and less thanor at least $10 billion in on-balance sheet foreign exposure, suchexposure). Although, as a result of the restructuring, the LCR regulation does not apply to Zions would be subjectBancorporation, the Bank uses many of the factors embedded in the LCR calculation to a modified NSFR requirement which would require such bank holding companiesdetermine an appropriate level of highly liquid assets. Furthermore, the Bank utilizes internal liquidity stress tests as its primary tool for establishing and managing liquidity guidelines
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including, but not limited to, maintain a minimum NSFRholdings of 0.7 on an ongoing basis. Under the proposed rule, a banking organization’sinvestment securities and other liquid assets, maintaining levels of readily available stablecontingency funding, would be calculated by applying specified standard weightings to its equityconcentrations of funding sources, and liabilities based on their expected stability over a one-year time horizon and its required stable funding would be calculated by applying specified standardized weightings to its assets, derivative exposures and commitments based on their liquidity characteristics over the same one-year time horizon. The U.S. federal bank regulatory agencies have not released the final rule. We do not expect this to have a material impact on the Company.maturity profile of liabilities.
Financial Privacy and Cyber Security
The federal banking regulators have adopted rules that limit the ability of banks and other financial institutions to disclose non-publicnonpublic information about consumers to non-affiliatednonaffiliated third parties.parties, including provisions of the Gramm-Leach-Bliley Act dealing with privacy for nonpublic personal information of individual customers. These limitations require disclosure of privacy policies to consumers and, in some circumstances, allow consumers to prevent disclosure of certain personal information to a non-affiliatednonaffiliated third party. These regulations affect how consumer information is transmitted through diversified financial companies and conveyed to outside vendors. In addition, consumers may


also prevent disclosure of certain information among affiliated companies that is assembled or used to determine eligibility for a product or service, such as that shown on consumer credit reports and asset and income information from applications. Consumers also have the option to direct banks and other financial institutions not to share information about transactions and experiences with affiliated companies for the purpose of marketing products or services. Federal law makes it a criminal offense, except in limited circumstances, to obtain or attempt to obtain customer information of a financial nature by fraudulent or deceptive means.
In October 2016, the federal banking regulators jointly issued an advance notice of proposed rulemaking on enhanced cyber risk management standards that are intended to increase the operational resilience of large and interconnected entities under their supervision. The advance notice of proposed rulemaking addressed five categories of cyber standards: (1) cyber risk governance; (2) cyber risk management; (3) internal dependency management; (4) external dependency management; and (5) incident response, cyber resilience, and situational awareness. The comment period expired in February 2017; however, the regulators have not yet issued any revised proposed rules or final rules.
State regulators have been increasingly active in implementing privacy and cybersecurity standards and regulations. Recently, several states have adopted regulations requiring certain financial institutions to implement cybersecurity programs and providing detailed requirements with respect to these programs, including data encryption requirements. Many states have also recently implemented or modified their data breach notification and data privacy requirements. In June 2018, the California legislature passed the California Consumer Privacy Act of 2018 (the “CCPA”), which took effect on January 1, 2020. The CCPA, which covers businesses that obtain or access personal information on California resident consumers, grants consumers enhanced privacy rights and control over their personal information and imposes significant requirements on covered companies with respect to consumer data privacy rights. Some of the rights afforded to California resident consumers also extend to California employees, though the California legislature exempted certain employee information and employer usage from some of the act’s provisions until at least January 1, 2021. Other states have implemented, or are considering, similar privacy laws. We expect this trend of state-level activity to continue and are continually monitoring developments in the states in which we operate.
In May 2018, the General Data Protection Regulation (the “GDPR”) established new requirements regarding the handling of personal data. We believe the applicability of the GDPR to us is minimal as we do not offer goods or services to EU residents or monitor their behaviors. Data and cybersecurity laws and regulations are evolving rapidly, remain a focus of state and federal regulators and will continue to have a significant impact on the Bank's risk management practices.
Prompt Corrective Action
The Federal Deposit Insurance Corporation Improvement Act (“FDICIA”) requires each federal banking agency to take prompt corrective action to resolve the problems of insured depository institutions, including but not limited to those that fall below one or more prescribed minimum capital ratios. Pursuant to FDICIA, the FDIC promulgated regulations defining the following five categories in which an insured depository institution will be placed, based on the level of its capital ratios: well-capitalized, adequately capitalized, under-capitalized,undercapitalized, significantly under-capitalized, and critically under-capitalized. Under the prompt corrective action provisions of FDICIA as modified by the Basel III capital rules, an insured depository institution generally will be classified as well-capitalized if it
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has a CET1 ratio of at least 6.5%, a Tier 1 risk-based capital ratio of at least 8%, a total capital ratio of at least 10% and a Tier 1 leverage ratio of at least 5%, and. In addition, an insured depository institution generally will be classified as under-capitalized if its CET1 ratio is under 3%4.5%, its total risk-based capital ratio is less than 8%, its Tier 1 risk-based capital ratio is less than 6%, or its Tier 1 leverage ratio is less than 4%. An institution that, based upon its capital levels, is classified as “well-capitalized,” “adequately capitalized,” or “under-capitalized,” may be treated as though it were in the next lower capital category if the appropriate federal banking agency, after notice and opportunity for hearing, determines that an unsafe or unsound condition or an unsafe or unsound practice warrants such treatment. At each successive lower capital category, an insured depository institution is subject to more restrictions and prohibitions, including restrictions on growth, restrictions on interest rates paid on deposits, restrictions or prohibitions on payment of dividends and restrictions on the acceptance of brokered deposits. Furthermore, if a bank is classified in one of the under-capitalized categories, it is required to submit a capital restoration plan to the Federal bank regulator, and the holding company must guarantee the performance of that plan.regulator.
Other Regulations
The CompanyBank is subject to a wide range of other requirements and restrictions contained in both the laws of the United States and the states in which its banksit and otherits subsidiaries operate. These regulations include but are not limited to the following:
Requirements that the Parent serve as a source of strength for its subsidiary bank. The FRB has a policy that a bank holding company is expected to act as a source of financial and managerial strength to its subsidiary bank and, under appropriate circumstances, to commit resources to support the subsidiary bank. The Dodd-Frank Act codified this policy as a statutory requirement.
Limitations on dividends payable by subsidiaries. A significant portion of the Parent’s cash, which is used to pay dividends on our common and preferred stock and to pay principal and interest on our debt obligations, is derived from dividends paid to the Parent by its subsidiary bank. These dividends are subject to various legal and regulatory restrictions. See Note 14 of the Notes to Consolidated Financial Statements.
Limitations on dividends payable to shareholders. The Parent’sBank’s ability to pay dividends on both its common and preferred stock may beis subject to regulatory restrictions, includingrestrictions. See Note 15 of the requirement that they be included in aNotes to Consolidated Financial Statements for additional information.


stress test and capital plan to which the FRB has not objected. See discussion under “Liquidity Management Actions” on page 74.
Safety and soundness requirements. Federal law requires that our bankthe Bank be operated in a safe and sound manner. We are subject to additional safety and soundness standards prescribed in the FDICIA, including standards related to internal controls, information systems, internal audit, loan documentation, credit underwriting, interest rate exposure, asset growth and compensation, as well as other operational and management standards deemed appropriate by the federal banking agencies. The safety and soundness requirements give bank regulatory agencies significant latitude in their supervisory authority over us.
Requirements for approval of acquisitions and activities and restrictions on other activities. PriorThe National Bank Act requires regulatory and shareholder approval of all mergers between a national bank and another national or state bank and do not allow for the FRB is required under the BHC Act fordirect merger into a financial holding company to acquire or hold more than a 5% voting interest in anynational bank to acquire substantially all the assets of a bank or to merge with another financial or bank holding company. The BHC Act also requires approval for certain non-banking acquisitions, restricts the activities of bank holding companies that are not financial holding companies to banking, managing or controlling banks and other activities that the FRB has determined to be so closely related to banking as to be a proper incident thereto, and restricts the non-banking activities of a financial holding company to those that are permitted for financial holding companies or that have been determined by the FRB to be financial in nature, incidental to financial activities, or complementary to a financial activity. Lawsnonaffiliated nonbank. See discussion under “Risk Factors.” Other laws and regulations governing national banks contain similar provisions concerning acquisitions and activities.
Limits on bank organization activities, which are more limited than activities that can be conducted by bank holding company organizations.
Limitations on the amount of loans to a borrower and its affiliates.
Limitations on transactions with affiliates. Theaffiliates, as expanded by the Dodd-Frank Act significantly expanded the coverage and scope of the limitations on affiliate transactions within a banking organization.Act.
Restrictions on the nature and amount of any investments and ability to underwrite certain securities.
Requirements for opening of branches and the acquisition of other financial entities.
Fair lending and truth in lending requirements to provide equal access to credit and to protect consumers in credit transactions.
Broker-dealer and investment advisory regulations. One of our subsidiaries is a broker-dealer that is authorized to engage in securities underwriting and other broker-dealer activities. This company is registered with the SEC and is a member of FINRA. Another subsidiary is a registered investment adviser under the Investment Advisers Act of 1940, as amended, and as such is supervised by the SEC. Certain of our subsidiaries are also subject to various U.S. federal and state laws and regulations. These laws and regulations generally grant supervisory agencies broad administrative powers, including the power to limit or restrict the carrying on of business for failure to comply with such laws.
Provisions of the GLB Act and other federal and state laws dealing with privacy for non-public personal information of individual customers.
Community Reinvestment Act (“CRA”) requirements. The CRA requires banks to help serve the credit needs in their communities, including providing credit to low and moderate income individuals. If our bank subsidiarythe Bank fails to adequately serve its communities, penalties may be imposed including denials of applications to add branches,
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relocate, add subsidiaries and affiliates, and merge with or purchase other financial institutions. A notice of proposed rulemaking (“NPR”), issued jointly by the FDIC and OCC in November 2019, proposes certain amendments to the CRA, including changes in what qualifies for CRA credit, where CRA activity counts, what method should be used to measure CRA activity, and how banks should collect, record and report data. The NPR is subject to a public comment period. Although the NPR proposes to make changes to the CRA regulatory framework, it is too early to predict the content or effects of any final rulemaking that may result from the NPR.
Anti-money laundering regulations. The Bank Secrecy Act, Title III of the Uniting and Strengthening of America by Providing Appropriate Tools Required to Intercept and Obstruct Terrorism Act of 2001 (“USA Patriot Act”), and other federal laws require financial institutions to assist U.S. Governmentgovernment agencies in detecting and preventing money laundering and other illegal acts by maintaining policies, procedures and controls designed to detect and report money laundering, terrorist financing, and other suspicious activity.
The Parent is subject to the disclosure and regulatory requirements of the Securities Act of 1933, as amended, and the Securities Exchange Act of 1934, as amended, both as administered by the SEC. As a company listed on the NASDAQ Global Select Market, the Parent is subject to NASDAQ listing standards for quoted companies.
The CompanyBank is subject to the Sarbanes-Oxley Act of 2002, certain provisions of the Dodd-Frank Act, and other federal and state laws and regulations which address, among other issues, corporate governance, auditing and accounting, executive


compensation, and enhanced and timely disclosure of corporate information. NASDAQThe National Association of Securities Dealers Automated Quotations (“NASDAQ”) has also adopted corporate governance rules, which are intended to allow shareholders and investors to more easily and efficiently monitor the performance of companies and their directors.
The Board of Directors of the ParentBank has overseen management’s establishment of a comprehensive system of corporate governance and risk practices. This system includes policies and guidelines such as Corporate Governance Guidelines,Guidelines; a Code of Business Conduct and Ethics for Employees,Employees; a Directors Code of Conduct,Conduct; a Related Party Transaction Policy,Policy; Stock Ownership and Retention Guidelines,Guidelines; a Compensation Clawback Policy,Policy; an insider trading policy including provisions prohibiting hedging and placing restrictions on the pledging of companybank stock by insiders,insiders; and charters for the Executive, Audit, Risk Oversight, Compensation, and Nominating and Corporate Governance Committees. More information on the Company’sBank’s corporate governance practices is available on the Company’sBank’s website at www.zionsbancorporation.com. (The Company’sBank’s website is not part of this Annual Report on Form 10-K).
The CompanyBank has adopted policies, procedures and controls to address compliance with the requirements of the banking, securities, and other laws and regulations described above or otherwise applicable to the Company. The Company intends to make appropriate revisions to reflect any changes required.Bank. Management monitors these laws and regulations and regularly reviews and updates its policies, procedures and controls in anticipation of industry and regulatory changes.
Regulators, Congress, state legislatures, and international consultative bodies continue to enact rules, laws, and policies to regulate the financial services industry and public companies and to protect consumers and investors. The nature of these laws and regulations and the effect of such policies on future business and earnings of the CompanyBank cannot be predicted.
GOVERNMENT MONETARY POLICIES
The earnings and business of the CompanyBank are affected not only by general economic conditions, but also by policies adopted by various governmental authorities. The CompanyBank is particularly affected by the monetary policies of the FRB, which affect both short-term and long-term interest rates and the national supply of bank credit.
In view of the changing conditions in the economy and the effect of the FRB’s monetary policies, it is difficult to predict future changes in loan demand, deposit levels and interest rates, or their effect on the business and earnings of the Company.Bank. FRB monetary policies have had a significant effect on the operating results of commercial banks in the past and are expected to continue to do so in the future.
REGULATORY RELIEF IF PROPOSED RESTRUCTURING IS COMPLETED AND FSOC APPLICATION IS APPROVED
As discussed above, on November 20, 2017, we announced a proposal to streamline our corporate structure by merging the Parent into its bank subsidiary, ZB, N.A. In connection with the proposed restructuring, we also intend to file an application with FSOC (the “FSOC Appeal”) that, if successful, could potentially eliminate “enhanced” regulation of the “Company” as a SIFI.
If completed, the proposed restructuring would eliminate the bank holding company structure and associated regulatory framework and would result in ZB, N.A. becoming the top-level publicly-traded entity within our corporate structure. If the proposed restructuring and FSOC Appeal are successful, the Company expects that:
The Company would no longer be subject to duplicative examinations by both the FRB and OCC and instead would no longer be subject to examinations by the FRB. The Company would continue to be subject to examinations by the CFPB with respect to consumer financial regulations.
The Company would no longer be subject to “enhanced prudential supervision” by the FRB under Section 165 of the Dodd-Frank Act. There are a number of regulatory requirements that are applied to the Company under “enhanced prudential supervision,” which includes the annual HCR/CCAR process, as well as the LCR requirements applicable to “systemically important” organizations, as discussed above under “Capital Planning and Stress Testing” and “Liquidity,” respectively. The Company would continue to be subject to the OCC’s

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heightened standards for national banks with assets of $50 billion or more, and the DFAST process, as described above under “Capital Planning and Stress Testing.”
The Company would no longer be subject to the prior non-objection requirement under HCR/CCAR for declaring any dividends or share repurchases, but would continue to be subject to the limitations on dividends and share repurchases pursuant to the National Bank Act and the OCC’s regulations.
In addition, if the restructuring is completed, the Company generally would no longer be subject to the Securities Law of 1933, but would remain subject to the requirements of the Securities Exchange Act of 1934, including the reporting requirements thereunder. However, the Company would be subject to OCC regulations governing securities offerings and make any filings required under the Securities Exchange Act with the OCC instead of the SEC.
ITEM 1A. RISK FACTORS
The Company’sBank’s growth strategy is driven by key factors while adhering to defined risk parameters. The key elements of Zions’the Bank’s strategy reflect its prudent risk-taking philosophy. The CompanyBank generates revenue by taking prudent and appropriately priced risks. These factors are outlined in the Company’sBank’s Risk Appetite Framework.
The Company’sBank’s Board of Directors has established a Risk Oversight Committee of the Board, approved an Enterprise Risk Management Framework, and appointed an Enterprise Risk Management Committee (“ERMC”) to oversee and implement the Framework. The ERMC is comprised of senior management of the CompanyBank and is chaired by the Chief Risk Officer. The Company’sBank’s most significant risk exposure has traditionally come from the acceptance of credit risk inherent in prudent extension of credit to relationship customers. In addition to credit risk, these committees also monitor the following level one risk areas: market and interest rate risk,risk; liquidity risk, strategic/risk; strategic, business risk,and corporate governance risk; operational/technology risk, model risk,risk; cyber risk; capital/financial reporting risk,risk; legal/compliance risk (including regulatory risk),; and reputational risk as outlined in the Company’sbank’s risk taxonomy. In 2017, the Company also designated cyber risk a level one risk in its risk taxonomy, which places it at the highest level of oversight with its other top risks. Additional governance and oversight includes Board-approved policies and management committees with direct focus on these specific risk categories. Incorporated into each of these level one risks mentioned previously is third party vendor risk, which the Company views as critical in the management and oversight of vendor management.
Although not comprehensive, the following describes several risk factors that are significant to the Company:Bank:
Credit Risk
Credit quality has adversely affected us in the past and may adversely affect us in the future.
Credit risk is one of our most significant risks. A decline in the strength of the U.S. economy in general or the local economies in which we conduct operations could result in, among other things, deterioration in credit quality and/or reduced demand for credit, including a resultant adverse effect on the income from our loan portfolio, an increase in charge-offs, and an increase in the allowance for loan and lease losses (“ALLL”).
We have concentrations of risk in our loan portfolio, including loans secured by real estate, leveraged and enterprise value lending, and oil and gas-related lending, which may have unique risk characteristics that may adversely affect our results. While oil and gas prices have stabilized over the last year and our lending exposure to this segment has been reduced, the oil and gas industry is still subject to volatility.
Concentration or counterparty risk could adversely affect the Company.Bank. Concentration risk across our loan and investment portfolios could pose significant additional credit risk to the CompanyBank due to exposures which perform in a similar fashion. Counterparty risk could also pose additional credit risk.
We engage in commercial construction and land acquisition and development lending, as well as commercial term lending, primarily in our westernWestern states footprint. The Company,Bank, as a whole, has relatively larger concentrations of such lending than many other peer institutions. In addition, we have a concentration in oil and gas-related lending, primarily in Texas. Both commercial real estate (“CRE”) and oil and gas-related lending are subject to specific


risks, including volatility and potential significant and prolonged declines in collateral-values and activity levels. In addition, our real estate lending is concentrated in the westernWestern states, and values there may behave differently than in other parts of the United States. We may have other unidentified concentrated or correlated risks in our loan portfolio.
Our business is highly correlated to local economic conditions in a specific geographic region of the United States.
As a regional bank holding company, the CompanyThe Bank provides a full range of banking and related services through its local management teams and unique brands in Arizona, California, Colorado, Idaho, Nevada, New Mexico, Oregon, Texas, Utah, Washington, and Wyoming. Approximately 76% and 75% of the Company’sBank’s total net interest income relates to our banking operations in Utah, Texas, and California for the years ended December 31, 2017,2019 and December 31, 2016,2018, respectively. As a result of this geographic concentration, our financial results depend largely upon economic conditions in these market areas. Accordingly, adverse economic conditions affecting these three states in particular could significantly affect our consolidated operations and financial results. For example, our credit risk could be elevated to the extent that our lending practices in these three states focus on borrowers or groups of borrowers with similar economic characteristics, which are similarly affected by the same adverse economic events. At December 31, 2017,2019, loan
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balances associated with our banking operations in Utah, Texas, and California comprised 80%79% of the Company’sBank’s commercial lending portfolio, 74%72% of the CRE lending portfolio, and 71%72% of the consumer lending portfolio.
Loans originated by our banking operations in Utah, Texas, and California are primarily to borrowers in those respective states, with the exception of the National Real Estate group, which co-originates or purchases primarily owner-occupied first-lien CRE loans from financial institutions throughout the country.
We have been and could continue to be negatively affected by adverse economic conditions.
Adverse economic conditions negatively affect the Company’sBank’s assets, including its loan and securities portfolios, capital levels, results of operations, and financial condition. The most recent financial crisis resulted in significant regulatory changes that continue to affect the Company.Bank. Although economic conditions have improved since the most recent financial crisis, it is possible that economic conditions may weaken. Economic and fiscal conditions in the United States and other countries may directly or indirectly adversely impact economic and market conditions faced by the CompanyBank and its customers. Any sustained weakness or further weakening in economic conditions would adversely affect the Company.Bank.
Market and Interest Rate RisksRisk
Failure to effectively manage our interest rate risk and prolonged periods of low interest rates could adversely affect us.
Net interest income is the largest component of the Company’sBank’s revenue. A prolonged period of low interest rates can have a materially adverse impact on the Bank's net interest income and result in declining net interest margins. Interest rate risk is managed by the Asset Liability Management Committee, which is established by the Company’sBank’s Board of Directors. Failure to effectively manage our interest rate risk could adversely affect the Company.Bank. Factors beyond the Company’sBank’s control can significantly influence the interest rate environment and increase the Company’sBank’s risk. These factors include competitive pricing pressures for our loans and deposits, adverse shifts in the mix of deposits and other funding sources, and volatile market interest rates resulting from general economic conditions and the policies of governmental and regulatory agencies, in particular the FRB. As interest rates decline our cost of funds may not decline commensurately.
Some components of the Bank’s balance sheet are very sensitive to rising and falling rates. Over the course of the last year, we actively reduced this asset-sensitivity through various strategies, such as entering into rate floor agreements and increasing the use of interest rate swaps designated as cash flow hedges to synthetically convert floating-rate assets to fixed-rate. We anticipate maintaining a moderately asset-sensitive position in 2020, but the Asset/Liability Committee (“ALCO”) continues to monitor market developments and may adjust strategies accordingly.
Interest rates on the Bank’s financial instruments might be subject to change based on developments related to LIBOR, which could adversely impact the Bank’s revenue, expenses, and value of those financial instruments.
In July 2017, the Financial Conduct Authority, the authority regulating the London Interbank Offered Rate (“LIBOR”), along with various other regulatory bodies, announced that LIBOR would likely be discontinued at the end of 2021. LIBOR makes up the most liquid and common interest rate index in the world and is commonly referenced in financial instruments. We have exposure to LIBOR in various aspects through our financial contracts. Instruments that may be impacted include loans, securities, and derivatives, among other financial contracts indexed to LIBOR and that mature after December 31, 2021.
While there is no consensus on what rate or rates may become acceptable alternatives to LIBOR, the Alternative Reference Rates Committee, a steering committee comprised of U.S. financial market participants, selected by the Federal Reserve Bank of New York, started in May 2018 to publish the Secured Overnight Financing Rate (“SOFR”) as an alternative to LIBOR. SOFR is a broad measure of the cost of overnight borrowings collateralized by Treasury securities that was selected by the Alternative Reference Rate Committee due to the depth and robustness of the U.S. Treasury repurchase market. At this time, it is impossible to predict whether SOFR will become an accepted alternative to LIBOR.
The Company remains inmarket transition away from LIBOR to an “asset-sensitive” interestalternative reference rate, risk position, which means that net interest income would be expected to increase if interest rates increase,such as SOFR, is complex and to decline if interest rates decrease. Most recently, the FRB decided to maintain the targetcould have a range for the federal funds rate at 1.25% to 1.5%,of adverse effects on our business, financial condition and indicated that it will determine the timing and sizeresults of future rate adjustments by assessing realized and expected economic conditions relative to the objectives of maximum employment and 2% inflation.
Financial market participants have recently contemplated the possibility of negative interest rates. With the exception of brief money market disruptions in which some U.S. Treasury bills traded at negative rates, the U.S. hasoperations. In particular, any such transition could:

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adversely affect the interest rates paid or received on, the revenue and expenses associate with, and the value of our floating-rate obligations, loans, deposits, derivatives, and other financial instruments tied to LIBOR rates, or other securities or financial arrangements given LIBOR’s role in determining market interest rates globally;
not previously experienced a negative rate environment, althoughprompt inquiries or other developed economies have had prolonged periodsactions from regulators in respect of negative rates. Therefore, there are many unknown factors which could impactour preparation and readiness for the Companyreplacement of LIBOR with an alternative reference rate;
result in a negative rate environment. The abilitydisputes, litigation or other actions with counterparties regarding the interpretation and enforceability of certain fallback language in LIBOR-based securities; and
require the transition to or development of appropriate systems and analytics to effectively charge customers interesttransition our risk management processes from LIBOR-based products to those based on deposits will be determined largely by competition for deposits, but the Company’s deposit systems may require modification to allow for negative deposit rates. Asset allocation strategies would be reconsidered wereapplicable alternative pricing benchmark, such as SOFR.
The manner and impact of this transition, as well as the FRB to charge for excess reserves.
Our estimateseffect of these developments on our interest rate risk position related to noninterest-bearing demand deposits are dependent on assumptions for which there is little historical experience,funding costs, loan and the actual behavior of those deposits in a changing interest rate environment may differ materially from our estimates, which could materially affect our results of operations.
We have experienced a low interest rate environment for the past several years. Our views with respect to, among other things, the degree to which we are “asset-sensitive,” including our interest rate risk position for noninterest-bearing demand deposits, are dependent on modeled projections that rely on assumptions regarding changes in balances of such deposits in a changing interest rate environment. Because there is no modern precedent for the prolonged, extremely low interest rate environment that has prevailed for the last several years, there is little historical experience upon which to base such assumptions. If interest rates continue to increase, our assumptions regarding changes in balances of noninterest-bearing demand depositsinvestment and regarding the speed and degree to which other deposits are repriced may prove to be incorrect,trading securities portfolios, asset-liability management, and business, decisions made in reliance on our modeled projections and underlying assumptions could prove to be unsuccessful. Because noninterest-bearing demand deposits are a significant portion of our deposit base, realized results which are different from our modeled projections and the underlying assumptions could materially affect our results of operations.is uncertain.
Liquidity Risk
As a regulated entity, we are subject toChanges in sources of liquidity and capital and liquidity requirements that may limit our operations and potential growth.
WeOur primary source of liquidity is our supply of deposits from our customers. The continued availability of this supply depends on customers maintaining those deposits with us. Recently, competition for deposits has increased and interest rates paid on deposits have generally risen. While we make significant efforts to consider and plan for changes in our deposit funding, market-related forces and a wide variety of other events could impact the liquidity value we derive from our deposits.
Liquidity requirements and sources are a bank holding company and, as such, we and our subsidiary bank are also subject to the comprehensive, consolidated supervision and regulation of the FRB, the OCC and the FDIC, including risk-based and leverage capital ratio requirements, andas well as Basel III liquidity requirements. Capital needs may rise above normal levels when we experience deteriorating earnings and credit quality, and our banking regulators may increase our capital requirements based on general economic conditions and our particular condition, risk profile and growth plans. In addition, we may be required to increase our capital levels even in the absence of actual adverse economic conditions or forecasts as a result of stress testing and capital planning based on hypothetical future adverse economic scenarios. Compliance with the capital requirements, including leverage ratios, may limit operations that require the intensive use of capital and could adversely affect our ability to expand or maintain present business levels. For a summary of the capital rules to which we are subject, see “Capital Standards – Basel Framework” on page 109 of this Annual Report on Form 10-K.
Liquidity regulations, including regulations establishing a minimum Liquidity Coverage Ratio and requiring monthly liquidity stress testing applicable to the Company may impact profitability.
The Company is subject to liquidity regulations, including a requirement that it conduct monthly liquidity stress tests that require it to maintain a modified LCR of at least 100%. The Company’s calculation of the modified LCR indicates that the Company is in compliance with the requirement. Such stress testing is subject to ongoing model and assumptions changes which could affect results.
In order to meet the requirements of these new regulations, the Company expects to continue to hold a higher portion of its assets in HQLA and a lower portion of its assets in loans than was generally the case prior to such regulation. HQLA generally have lower yields than loans of the type made by the Company.
We and/or the holders of our securities could be adversely affected by unfavorable rating actions from rating agencies.
Our ability to access the capital markets is important to our overall funding profile. This access is affected by the ratings assigned by rating agencies to us and particular classes of securities that we and our banking subsidiary


issue. The rates that we pay on our securities are also influenced by, among other things, the credit ratings that we and/or our securities receive from recognized rating agencies. Ratings downgrades to us or our securities could increase our costs or otherwise have a negative effect on our results of operations orliquidity position, financial condition or the market prices of our securities.
Strategic/Strategic, Business and Corporate Governance Risks
Problems encountered by other financial institutions could adversely affect financial markets generally and have indirect adverse effects on us.
The commercial soundness of many financial institutions may be closely interrelated as a result of credit, trading, clearing or other relationships between the institutions. As a result, concerns about, or a default or threatened default by, one institution could lead to significant market-wide liquidity and credit problems, losses or defaults by other institutions. This is sometimes referred to as “systemic risk” and may adversely affect financial intermediaries, such as clearing agencies, clearing houses, banks, securities firms and exchanges, with which we interact on a daily basis, and therefore could adversely affect us. Information security and vendor management processes are in place to actively identify, manage and monitor actual and potential impacts.
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The regulation of incentive compensation under the Dodd-Frank Act may adversely affect our ability to retain our highest performing employees.
The bank regulatory agencies have published guidance and proposed regulations whichthat limit the manner and amount of compensation that banking organizations provide to employees. These regulations and guidance may adversely affect our ability to attract and retain key personnel. If we were to suffer such adverse effects with respect to our employees, our business, financial condition and results of operations could be adversely affected, perhaps materially.
We have made, and are continuing to make, significant changes to the CompanyBank that include, among other things, organizational restructurings, efficiency initiatives, and replacement or upgrades of certain core technological systems to improve our control environment, and operating efficiency. The ultimate success and completion of these changes, and their effect on the Company,Bank, may vary significantly from initial planning, which could materially adversely affect the Company.Bank.
Over the last several years, the CompanyBank has completed numerous improvement projects, including the merger of its bank holding company into the Bank; combining the legal charters of our seven affiliate banks into one,one; consolidating 15 loan operations sites into two,two; replacing our core loan systems; upgrading our accounting systems,systems; installing a credit origination work flow system,system; streamlining our small business and retail lending, mortgage, wealth management and foreign exchange businesses,businesses; and investing in data quality and information security. Ongoing investment continues in a multi-year project to replace our core loan and deposit systems, a collection of customer-facing digital capabilities and a variety of other projects to simplify how we do business. The Bank has taken actions designed to improve efficiencies and reduce and manage operating expenses, in part to address the challenges to net interest income presented by the current low and declining interest rate environment.
These initiatives and changes continue to be implemented; some of the projects are fully completed, and some projects are in their early stages. By their very nature, projections of duration, cost, expected savings, expected efficiencies, and related items are subject to change and significant variability. There can be no certainty that the Bank will achieve the expected benefits or other intended results associated with these projects.
We may encounter significant adverse developments in the completion and implementation of these changes. These may include significant time delays, cost overruns, loss of key people, technological problems, processing failures, vendor reliance issues and other adverse developments. Any or all of these issues could result in disruptions to our systems, processes, control environment, procedures, and employees, which may adversely impact our customers and our ability to conduct business.
We have plans, policies, and procedures designed to prevent or limit the negative effect of these potential adverse developments. However, there can be no assurance that any such adverse developments will not occur or, if they do occur, that they will be adequately remediated. The ultimate effect of any adverse development could subject us to additional regulatory scrutiny, or expose us to civil litigation and possible financial liability, any of which could materially affect the Company,Bank, including its control environment, operating efficiency, and results of operations.


Operational/Technology RisksRisk
Catastrophic events including, but not limited to, hurricanes, tornadoes, earthquakes, fires, floods, and prolonged drought, and pandemics may adversely affect the general economy, financial and capital markets, specific industries, and the Company.Bank.
The CompanyBank has significant operations and a significant customer base in Utah, Texas, California, and other regions where natural and other disasters may occur. These regions are known for being vulnerable to natural disasters and other risks, such as hurricanes, tornadoes, earthquakes, fires, floods, and prolonged drought. These types of natural catastrophic events at times have disrupted the local economy, the Company’sBank’s business and customers, and have posed physical risks to the Company’sBank’s property. In addition, catastrophic events occurring in other regions of the world may have an impact on the Company’sBank’s customers and in turn on the Company.Bank. Although we have business continuity and disaster recovery programs in place, a significant catastrophic event could materially adversely affect the Company’sBank’s operating results.
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We could be adversely affected by failure in our internal controls.
We have established internal controls over financial reporting and other operations within the Bank. Because of its inherent limitations, internal controls over financial reporting may not prevent or detect misstatements. A failure in our internal controls could have a significant negative impact not only on our earnings, but also on the perception that customers, regulators and investors may have of the Company.Bank. We continue to devote a significant amount of effort, time and resources to improving our controls and ensuring compliance with complex accounting standards and regulations. These efforts also include the management of controls to mitigate operational risks for programs and processes across the Company.Bank.
We could be adversely affected by financial technology advancements and other non-traditionalnontraditional lending and banking sources.
TheFinancial technology companies, referred to as “FinTechs,” and technology platform companies, continue to emerge and compete with traditional financial institutions across a wide variety of products and services. Consumers have demonstrated a growing willingness to obtain banking services from FinTechs. As a result, our ability to successfully remain competitive is increasingly dependent upon our ability to maintain a critical technological capabilitycapabilities, and to identify and develop new, value-added products for existing and future customers. Failure to do so could impede our time to market, reduce customer satisfaction and product accessibility and adaptation, and weaken our competitive position.
We use models in the management of the Bank. There is risk that these models are incorrect or inaccurate in various ways, which can cause us to make nonoptimal decisions.
We attempt to carefully develop, document, back test and validate the models used in the management of the Bank. For example, we use models in the management of interest rate and liquidity risk, models used in projecting stress losses in various segments of our credit and securities portfolios, and models projecting net revenue under stress. Models are inherently imperfect for a number of reasons and cannot perfectly predict outcomes. Management decisions based in part on such models, therefore, can be suboptimal. In addition, when determining the Bank’s capital needs under stress testing, we attempt to specifically quantify the amounts by which model results could be incorrect.
Cyber Risk
We are subject to a variety of system failure and cyber security risks that could adversely affect our business and financial performance.
The Board and the Risk Committee of the Board have invested significant time on overseeing management's efforts to continue to strengthen our infrastructure, staffing and enhance our controls while improving the client and customer experience. Cyber defense and improving our resiliency against cybersecurity threats remains a key focus at all levels of management within the Bank, and of our Board.
We rely heavily on communications and information systems to conduct our business. We, our customers, and other financial institutions with which we interact, are subject to ongoing, continuous attempts to penetrate key systems by individual hackers, organized criminals, and in some cases, state-sponsored organizations. Information security risks for large financial institutions such as Zions have increased significantly in recent years in part because of the proliferation of new technologies such as Internet(e.g., internet and mobile banking to conduct financial transactions,transactions) and the increased sophistication and activities of cyber criminals.organized crime, hackers, terrorists, nation-states, activists and other external third parties. Third parties with whom we or our customers do business also present operational and information security risks to us, including security breaches or failures of their own systems. The possibility of employee error, failure to follow security procedures, or malfeasance also presents these risks.
In addition, to access our products and services, our customers may use personal computers, smartphones, tablets, and other mobile devices that are beyond our control environment. Any failure, interruption or breach in security of our information systems could result in failures or disruptions in our customer relationship management,management; general ledger, deposit, loan and other systems,systems; misappropriation of funds,funds; and theft, disclosure or misuse of proprietary CompanyBank or customer data. While we have significant internal resources, policies and procedures designed to prevent or limit the effect of the possible failure, interruption or security breach of our information systems, the Bank has
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experienced security breaches due to cyberattacks in the past and there can be no assurance that any such failure, interruption or security breach will not occur in the future, or, if they do occur, that they will be adequately addressed. It is impossible to determine the potential effects of these events with any certainty but any such breach could result in material adverse consequences for the Bank and its customers.
As cyber threats continue to evolve, we maywill be required to expend significant additional resources to continue to modify or enhance our layers of defense or to investigate or remediate any information security vulnerabilities. System enhancements and updates may also create risks associated with implementing new systems and integrating them with existing ones. Due to the complexity and interconnectedness of information technology systems, the process of enhancing our layers of defense can itself create a risk of systems disruptions and security issues. In addition, addressing certain information security vulnerabilities, such as hardware-based vulnerabilities, may affect the performance of our information technology systems. The ability of our hardware and software providers to deliver patches and updates to mitigate vulnerabilities in a timely manner can introduce additional risks, particularly when a vulnerability is being actively exploited by threat actors. The occurrence of any failure, interruption or security breach of our information systems could damage our reputation, result in a loss of customer business, subject us to additional regulatory scrutiny, or expose us to civil litigation and possible financial liability.
ModelVendor Risk
We increasingly use modelsoutsource various operations to third party vendors which could adversely impact our business and operational performance.
We rely on various vendors to perform operational activities to conduct our business. We have established operational controls and monitoring through our third party vendor management programs to oversee and manage these vendors to help ensure they adhere to the same business practices that we as a Bank have to either adhere or comply with. We have developed and implemented Service Level Agreements ("SLA") to assist us in the management of the Company,that effort and in particular in the requiredhave implemented regular reporting to monitor and manage our third party vendors.
Capital/Financial Reporting Risk
Internal stress testing and capital plan. There is risk that these models are incorrect or inaccurate in various ways, which can cause us


to make non-optimal decisions, and this risk causes the Company to hold additional capitalmanagement, as a buffer against that risk.
We attempt to carefully develop, document, back test, and validate the models used in the managementwell as provisions of the Company, including, for example, models used in the management of interest rateNational Bank Act and liquidity risk, and those used in projecting stress losses in various segments of our credit and securities portfolios, and projecting net revenue under stress. Models are inherently imperfect for a number of reasons, however, and cannot perfectly predict outcomes. Management decisions based in part on such models, therefore, can be suboptimal. In addition, in determining the Company’s capital needs under stress testing, we attempt to specifically quantify the amounts by which model results could be incorrect, and we hold material additional amounts of capital as a buffer against this “model risk.”
Capital/Financial Reporting Risks
Stress testing and capital management under the Dodd-Frank ActOCC regulations, may limit our ability to increase dividends, repurchase shares of our stock, and access the capital markets.
Under HCR/Although we are no longer subject to the CCAR regime, we are required to submit to the FRB each year our capital plan for the applicable planning horizon, along with the results of required stress tests. Each annual capital plan will, among other things, specify our planned capital actions with respect to dividends, preferred stock redemptions, common stock repurchases or issuances, and similar matters and will be subject to the objection or non-objection by the FRB. Moreover, the HCR/CCAR process requires us to analyze the pro forma impact on our financial condition of various hypothetical future adverse economic scenarios selected by us and the FRB. We must maintain or raise capital sufficient to meet our risk management and regulatory expectations under such hypothetical scenarios. In connection with the annual HCR/CCAR process, we also participate in the DFAST on a semiannual basis. Under DFAST, a standardized strategy for capital actions (dividend payments held constant and other current capital obligations met) is implemented by all participating banks. As required by the Dodd-Frank Act, we also submit stress tests to the OCC for our subsidiary bank because itthe Bank has assets in excess of $10 billion. Under both HCR/CCARbillion, and DFAST,we continue to utilize stress testing as an important mechanism to inform our decisions on the FRB uses its proprietary models to analyze the Company’s stressedappropriate level of capital, position. The severity of the hypothetical scenarios devised by the FRBbased upon actual and OCC and employed in these stress tests is undefined by law or regulation, and is thus subject solely to the discretion of the regulators.hypothetically-stressed economic conditions. The stress testing and capital planning processesother applicable regulatory requirements may, among other things, require us to increase our capital levels, limit our dividends or other capital distributions to shareholders, modify our business strategies, or decrease our exposure to various asset classes.
Under stress testingthe National Bank Act and OCC regulations, certain capital management standards implemented by bank regulatory agencies under the Dodd-Frank Act, wetransaction may declare dividends, repurchase common stock, redeem preferred stock and debt, access capital markets for certain types of capital, make acquisitions, and enter into similar transactions only if included in a capital plan to which the FRB has not objected. Any similar transactions not contemplated in our annual capital plan, other than those with an inconsequential impact on actual or projected capital, may require a new stress test and capital plan, which isbe subject to FRB non-objection.the approval of the OCC. These requirements may significantly limit our ability to respond to and take advantage of market developments.
Economic and other circumstances may require us to raise capital at times or in amounts that are unfavorable to the Company.Bank.
The Company and its subsidiary bankBank must maintain certain risk-based and leverage capital ratios, as required by its banking regulators, which can change depending upon general economic conditions, hypothetical future adverse economic scenarios, andas well as the particular conditions, risk profiles and growth plans of the Company and its subsidiary bank.Bank. Compliance with capital requirements may limit the Company’sBank’s ability to expand and has required, and may require, the CompanyBank or its subsidiaries to raise additional capital, or may require additional capital investment from the Parent.capital. These uncertainties and risks, including those created by legislative and regulatory uncertainties, may increase the Company’sBank’s cost of capital and other financing costs.
We could be adversely affected by accounting, financial reporting, and regulatory and regulatory/compliance risk.
The CompanyBank is exposed to accounting, financial reporting, and regulatory/compliance risk. The Company provides to its customers, invests in,Bank uses a number of complex financial products and usesservices for its own capital, funding, investment and risk management needs, a number of complexin

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financial products and services.addition to providing them to its customers. Estimates, judgments, and interpretations of complex and changing accounting and regulatory policies are required in order to provide and account for these products and services. Changes in our accounting policies or in accounting standards could materially affect how we report our financial results and conditions. The level of regulatory/compliance oversight has been heightened in recent periods as a result of rapid changes in regulations that affect financial institutions. The administration of some of these regulations and related changes has required the CompanyBank to comply before their formal adoption. Therefore, identification, interpretation and implementation of complex and changing accounting standards as well as compliance with regulatory requirements pose an ongoing risk.
Our results of operations depend upon the performance of our subsidiaries.
We are a holding company that conducts substantially all of our operations through our banking subsidiary and other subsidiaries. The Parent receives substantially all of its revenues from dividends from its subsidiaries and primarily from its subsidiary bank. These dividends are a principal source of funds to pay dividends on our common and preferred stock and interest and principal on our debt. We and certain of our subsidiaries experienced periods of unprofitability or reduced profitability during the most recent recession of 2007-2009. The ability of the Company and its subsidiary bank to pay dividends is restricted by regulatory requirements, including profitability and the need to maintain required levels of capital. Lack of profitability or reduced profitability exposes us to the risk that regulators could restrict the ability of our subsidiary bank to pay dividends. It also increases the risk that the Company may have to establish a “valuation allowance” against its net DTA or have that asset disallowed for regulatory capital purposes.
The ability of our subsidiary bank to pay dividends or make other payments to us is also limited by its obligations to maintain sufficient capital and by other general regulatory restrictions on its dividends. If it does not satisfy these regulatory requirements, we may be unable to pay dividends or interest on our indebtedness. The OCC, the primary regulator of our subsidiary bank, has issued policy statements generally requiring insured banks to pay dividends only out of current earnings. In addition, if, in the opinion of the applicable regulatory authority, a bank under its jurisdiction is engaged in or is about to engage in an unsafe or unsound practice, which could include the payment of dividends, such authority may take actions requiring that such bank refrain from the practice. Payment of dividends could also be subject to regulatory limitations if a subsidiary bank were to become “under-capitalized” for purposes of the applicable federal regulatory “prompt corrective action” regulations.
The value of our goodwill may decline in the future.
As of December 31, 2017,2019, the CompanyBank had $1 billion of goodwill that was allocated to Amegy Bank (“Amegy”), California Bank & Trust (“CB&T&T”) and Zions Bank. If the fair value of a reporting unit is determined to be less than its carrying value, the CompanyBank may have to take a charge related to the impairment of its goodwill. Such a charge would occur if the CompanyBank were to experience increases in the book value of a reporting unit in excess of the increase in the fair value of equity of a reporting unit. A significant decline in the Company’sBank’s expected future cash flows, a significant adverse change in the business climate, slower economic growth or a significant and sustained decline in the price of the Company’sBank’s common stock, any or all of which could be materially impacted by many of the risk factors discussed herein, may necessitate the CompanyBank taking charges in the future related to the impairment of its goodwill. Future regulatory actions could also have a material impact on assessments of the appropriateness of the goodwill carrying value. If the CompanyBank was to conclude in the future that a future write-down of its goodwill is necessary, it would record the appropriate charge, which could have a material adverse effect on the Company’sBank’s results of operations.
The CompanyBank may not be able to utilize the significant DTA recorded on its balance sheet.
The Company’sBank’s balance sheet includes a significant DTA. We had net DTAs of $93$37 million at December 31, 2017,2019, compared with $250$130 million at December 31, 2016.2018. The largest componentscomponent of this asset resultresults from additions to our ALLL for purposes of GAAP in excess of loan losses actually taken for tax purposes. Our ability to continue to record this DTA is dependent on the Company’sBank’s ability to realize its value through net operating loss carrybacks or future projected earnings. Loss of part or all of this asset would adversely impact tangible capital. In addition, inclusion of this asset in determining regulatory capital is subject to certain limitations. Currently, no DTAs are disallowed for regulatory purposes either on a consolidated basis or at the Company’s subsidiary bank.


Bank.
Legal/Compliance RisksRisk
The Dodd-Frank Act imposesLaws and regulations applicable to the Bank and the financial services industry impose significant limitations on our business activities and subjects us to increased regulation and additional costs.
The Dodd-Frank Act has material implications for the Company and the entire financial services industry. The Dodd-Frank Act places significant additional regulatory oversight and requirements on financial institutions, particularly those with more than $50 billion of assets, including the Company. In addition, among other things, the Dodd-Frank Act:
affected the levels of capital and liquidity with which the Company must operate and how it plans capital and liquidity levels;
subjected the Company to new and/or higher fees paid to various regulatory entities, including but not limited to deposit insurance fees to the FDIC;
impacted the Company’s ability to invest in certain types of entities or engage in certain activities;
impacted a number of the Company’s business strategies;
required us to incur the cost of developing substantial heightened risk management policies and infrastructure;
regulated the pricing of certain of our products and services and restricted the revenue that the Company generates from certain businesses;
subjected the Company to capital planning actions, including stress testing or similar actions and timing expectations for capital raising;
subjected the Company to supervision by the CFPB, with very broad rule-making and enforcement authorities;
granted authority to state agencies to enforce state and federal laws against national banks;
subjected the Company to new and different litigation and regulatory enforcement risks; and
limited the manner and amount in which compensation is paid to executive officers and employees generally.
The CompanyBank and the entire financial services industry have incurred, and will continue to incur, substantial personnel, systems, consulting, and other costs in order to comply with newbanking regulations, including those promulgated under the Dodd-Frank Act, particularly with respectAct. See “Supervision and Regulation” on page 6 of this Annual Report on Form 10-K for further information about the regulations applicable to stress testing and risk management. Some aspects of the Dodd-Frank Act continue to be subject to rulemaking, many of the rules that have been adopted will take effect over several additional years, and many of the rules that have been adopted may be subject to interpretation and clarification, and accordingly, the impact of such regulatory changes cannot be presently determined. Individually and collectively, regulations adopted under the Dodd-Frank Act may materially adversely affect the Company’sBank and the financial services industry’s business, financial condition (including the Company’s ability to compete effectively with less regulated financial services providers), and results of operations.industry generally.
Other legislative and regulatory actions taken now or in the future may have a significant adverse effect on our operations and earnings.
In addition to the Dodd-Frank Act described previously, bankBank regulatory agencies and international regulatory consultative bodies have proposed or are considering new regulations and requirements, some of which may be imposed without formal promulgation. Our deposits are insured by the FDIC up to legal limits and, accordingly,limits. Accordingly, we are subject to FDIC insurance assessments.
There can be no assurance that any or all of these regulatory changes or actions will ultimately be adopted. However, if adopted, some of these proposals could adversely affect the CompanyBank by, among other things: impacting after-tax returns earned by financial services firms in general; limiting the Company’sBank’s ability to grow; increasing taxes or fees on some of the Company’sBank’s funding or activities; limiting the range of products and services that the CompanyBank could offer; and requiring the CompanyBank to raise capital at inopportune times.
Recent politicalPolitical developments including the change in the executive administration of the United States, couldmay also result in substantial changes in tax, international trade, immigration, and other policies. The extent and timing of any such changes are uncertain, as are the potential direct and indirect impacts, whether beneficial or adverse.


Regulations and laws may be modified or repealed, and new legislation may be enacted that will affect us and our subsidiaries.
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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
The ultimate impact of these proposals cannot be predicted as it is unclear which, if any, may be adopted.
We could be adversely affected by legal and governmental proceedings.
We are subject to risks associated with legal claims, litigation, and regulatory and other government proceedings. The Company’sBank’s exposure to these proceedings has increased and may further increase as a result of stresses on customers, counterparties and others arising from the past or current economic environments, new regulations promulgated under recently adopted statutes, the creation of new examination and enforcement bodies, and increasingly aggressive enforcement and legal actions against banking organizations. Anysuchmatters may result in material adverse consequences to our results of operations, financial condition or ability to conduct our business, including adverse judgments, settlements, fines, penalties (including(e.g., civil money penalties under applicable banking laws), injunctions, restrictions on our business activities, or other relief. Our involvement in any such matters, even if the matters are ultimately determined in our favor, could also cause significant harm to our reputation and divert management attention from the operation of our business. In general, the amounts paid by financial institutions in settlement of proceedings or investigations, including those relating to anti-money laundering matters, have been increasing dramatically. In addition, any enforcement matters could impact our supervisory and CRA ratings, which may restrict or limit our activities.
The corporate and securities laws applicable to the Bank are not as well-developed as those applicable to a state-chartered corporation, which may impact the ability of the Bank to effect corporate transactions in an efficient and optimal manner.
Prior to the restructuring, the corporate affairs of the Bank’s holding company were governed by Utah state law, and securities law matters were governed by the federal securities laws, including the Securities Act and the Exchange Act, as administered by the SEC. Each of these legal regimes is well-developed and used widely by public companies.
Post-restructuring, the Bank’s corporate affairs are governed by the National Bank Act and related regulations administered by the OCC. With respect to securities matters, the Bank is not subject to the Securities Act, but rather to OCC regulations governing securities offerings. The Bank’s common stock and certain other securities are registered or deemed registered under the Exchange Act, which vests the OCC with the power to administer and enforce certain sections of the Exchange Act applicable to banks such as the Bank (though the Bank currently makes and intends to continue to make filings required by the Exchange Act with the SEC as a “voluntary filer”). These OCC statutory and regulatory regimes have been used by publicly-traded banking organizations relatively rarely and are not as well-developed as the corporate and securities law regimes applicable to corporations. While certain specific risks associated with operating under these regimes are discussed below, unless and until these regimes are further developed and established over time, the uncertainty of how these regimes might apply to any given corporate or securities matters may prevent us from effecting transactions in an efficient and optimal manner or perhaps at all.
Differences between the National Bank Act and state law requirements in respect of mergers could result in the Bank not being able to execute acquisitions as efficiently and advantageously as bank holding companies or other financial institutions.
Unlike state corporate law, the National Bank Act requires shareholder approval of all mergers between a national bank and another national or state bank and does not allow for exceptions in the case of various “minor” mergers, such as a parent company’s merger with a subsidiary or an acquirer’s merger with an unaffiliated entity in which the shares issued by the acquirer do not exceed a designated percentage. The National Bank Act and related regulations may also complicate the structuring of certain nonbank acquisitions.
These differences could adversely affect the ability of the Bank and other banks registered under the National Bank Act to efficiently consummate acquisition transactions. In addition, such differences could make the Bank less competitive as a potential acquirer in certain circumstances given that the Bank’s acquisition proposal may be conditioned on Bank shareholder approval while the Bank’s competitors’ proposals will not have such a condition.
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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
Differences between the National Bank Act and state law could result in the Bank’s capacity to pay dividends and repurchase shares at any given time being different from the capacity that existed for Zions Bancorporation prior to the restructuring.
The regulations and limitations applicable to the Bank relating to the payment of dividends and repurchases or redemptions of outstanding common and preferred shares differ from the limitations and considerations that applied to the Bank’s holding company prior to the recent restructuring. While the Bank does not believe this change in legal restrictions resulting from the restructuring will constrain the Bank from executing any capital plans that are currently contemplated or otherwise reasonably foreseeable in the near term, there can be no assurance that the change in legal restrictions will not have an adverse effect on the Bank’s ability to pay dividends and repurchase or redeem stock in the future.
Shares of common stock of a national bank are assessable, which may cause investors to view the Bank’s common stock less favorably than that of Zions Bancorporation prior to the restructuring.
The National Bank Act provides that under certain circumstances the common stock of a national bank is assessable, i.e., holders may be subject to a levy for more funds if so determined by the OCC. In contrast, the common stock of state corporations is not subject to assessment. However, the OCC has confirmed that under the applicable provisions of the National Bank Act, assessability is limited to the par value of a national bank’s stock. The Bank’s common stock has a par value of $0.001. Moreover, according to the OCC, it has not exercised its authority to levy assessments since 1933 and views the assessability authority as a mechanism for addressing capital deficiency that has long been overtaken by developments in statute and regulation, including robust capital standards, prompt corrective action requirements and supervisory and enforcement authorities requiring an institution to maintain capital at a particular level. Nonetheless, potential investors may be unfamiliar with the concept of assessment and, as a result, view the Bank less favorably as an investment.
The ability of investors to access financial and other reports filed by the Bank readily could be adversely affected if such reports were not able to be made available publicly through the SEC or a system operated by the OCC comparable to that of the SEC.
The Bank has been permitted and currently makes its Exchange Act filings as a “voluntary filer” with the SEC. However, there can be no assurance that the OCC or SEC will continue to allow the Bank to make filings as a voluntary filer or that the OCC will develop a comparable system for making Exchange Act filings publicly available. If the Bank’s Exchange Act filings ceased to be as readily available as those of bank holding companies, investors could view the Bank less favorably.
The Bank’s ability to issue securities in an optimal manner may be adversely affected by the fact that the OCC’s securities offering regulations and organizational structure are less well developed than those of the SEC, which applied to the Bank’s holding company prior to the restructuring.
The SEC maintains a well-developed regulatory regime and well-staffed organization relating to securities offerings under or exempt from the Securities Act. For example, the SEC has developed integrated disclosure rules, which allow Exchange Act filings to be incorporated by reference into prospectuses distributed as required by the Securities Act. In addition, under the SEC’s rules seasoned issuers who are timely in their filings are permitted to use “automatic shelf registration,” allowing them to offer securities under a registration statement that is automatically effective upon filing. The OCC maintains its own securities offering regime applicable to national banks and their securities offerings, with which the Bank will need to comply in order to access the public capital markets. Similar to the SEC’s offering rules, the OCC’s regime requires that registration statements be reviewed and declared or become effective. However, given that there are currently no other nationally-charted banks whose common stock has been issued under the OCC’s securities offering regime, it is unknown at this point whether and how the OCC staff would review registration statements. It's also unclear whether the OCC would apply the same mechanics for automatic shelf registration filings used by SEC-filers, or how, more generally, the OCC will function as a securities regulator. Given the extent to and manner in which the Bank has accessed capital markets historically, or to which it currently contemplates accessing such markets, the Bank does not believe there will be a material adverse impact on the Bank’s ability to access capital markets effectively, although there can be no assurance that this will be the case. It is possible that operating under the OCC’s securities offering regime could
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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
impede the Bank’s ability to sell securities at the most advantageous times or to achieve optimum pricing in offerings.
The Bank is subject to restrictions on permissible activities that would limit the types of business it may conduct and that may make acquisitions of other financial companies more challenging.
Under applicable laws and regulations, bank holding companies and banks are generally limited to business activities and investments that are related to banking or are financial in nature. The range of permissible financial activities is set forth in the Gramm-Leach-Bliley Act and is more limited for banks than for bank holding company organizations. The differences relate mainly to insurance underwriting (but not insurance agency activities) and merchant banking (but not broker-dealer and investment advisory activities). Loss of the bank holding company status, as a result of the restructuring, could make future acquisitions of financial institutions with such operations more challenging.
The Bank’s common stock is not an insured deposit.
Shares of the Bank’s common stock are not a bank deposit and, therefore, losses in value are not insured by the FDIC, any other deposit insurance fund, or by any other public or private entity. Investment in shares of the Bank’s common stock is inherently risky and is subject to the same market forces and investment risks that affect the price of common stock in any other company, including the possible loss of some or all principal invested.
Reputational Risk
The companyBank is presented with various reputational risk issues that could stem from operational, regulatory/compliance and legal risks.
A Reputational Risk Council was established to monitor, manage and develop strategies to effectively manage reputational risk which includes, but is not limited to, addressing communication logistics, legal and regulatory issues.
ITEM 1B.UNRESOLVED STAFF COMMENTS
ITEM 1B. UNRESOLVED STAFF COMMENTS
There are no unresolved written comments that were received from the SEC’s or OCC’s staff 180 days or more before the end of the Company’sBank’s fiscal year relating to its periodic or current reports filed under the Securities Exchange Act of 1934.
ITEM 2. PROPERTIES
At December 31, 2017,2019, the CompanyBank operated 433434 branches, of which 275280 are owned and 158154 are leased. The CompanyBank also leases its headquarters in Salt Lake City, Utah. Other operations facilities are either owned or leased. The annual rentals under long-term leases for leased premises are determined under various formulas and factors, including operating costs, maintenance and taxes. For additional information regarding leases and rental payments, see Note 158 of the Notes to Consolidated Financial Statements.
ITEM 3. LEGAL PROCEEDINGS
The information contained in Note 1516 of the Notes to Consolidated Financial Statements is incorporated by reference herein.
ITEM 4. MINE SAFETY DISCLOSURES
None.




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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
PART II
ITEM 5.MARKET FOR REGISTRANT’S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES
ITEM 5. MARKET INFORMATIONFOR REGISTRANT’S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES
PREFERRED STOCK
We have 4.4 million authorized shares of preferred stock without par value and with a liquidation preference of $1,000 per share. As of December 31, 2019, 66,139, 138,391, 126,221, 98,555, and 136,368 of preferred shares series A, G, H, I, and J respectively, are outstanding. See Note 14 of the Notes to Consolidated Financial Statements for further information regarding the Bank’s preferred stock. On December 31, 2019, the Bank switched the listing of the preferred stock series A, G, & H to the NASDAQ Global Select Market from the New York Stock Exchange.
COMMON STOCK
Market Information
The Company’sBank’s common stock is traded on the NASDAQ Global Select Market under the symbol “ZION.” The last reported sale price of the common stock on NASDAQ on February 9, 20186, 2020 was $51.64$47.01 per share.
Common Stock Warrants
As of December 31, 2019, 29.3 million common stock warrants (NASDAQ: ZIONW) with an exercise price of $33.91 were outstanding. These warrants expire on May 22, 2020. The following schedule sets forth, for the periods indicated, the high and low sale pricesexercise of the Company’s common stock warrants is cashless as quotedthe warrants are settled on NASDAQ:
 2017 2016
 High Low High Low
        
1st Quarter$48.33
 $39.09
 $26.91
 $19.65
2nd Quarter44.85
 38.43
 29.46
 23.14
3rd Quarter47.70
 41.23
 31.35
 23.02
4th Quarter52.20
 43.50
 44.15
 30.07
PREFERRED STOCK REDEMPTIONS
During 2017, we redeemed all outstanding shares of our 7.9% Series F preferred stock for a cash payment of approximately $144 million.net share basis, and will increase average basic shares. The total one-time reduction to net earnings applicable to common shareholders associated with the preferred stock redemption was $2 million due to the accelerated recognition of preferred stock issuance costs.
During 2016 we decreased our preferred stock by $118 million, including the purchase of $26 million of our Series I preferred stock, $59 million of our Series J preferred stock, and $33 million of our Series G preferred stock, for an aggregate cash payment of $126 million. The total one-time reduction to net earnings applicable to common shareholders associated with the preferred stock redemption was $10 million. These preferred stock redemptions benefit the Company by decreasing the amount of preferred dividends paid.
EQUITY CAPITAL AND DIVIDENDS
We have 4,400,000 authorized shares of preferred stock without par value and with a liquidation preference of $1,000 per share. As of December 31, 2017, 66,139, 138,390, 126,221, 98,555, and 136,368 of preferred shares series A, G, H, I, and J respectively, are outstanding. In general, preferred shareholders may receive asset distributions before common shareholders; however, preferred shareholders have only limited voting rights generally with respect to certain provisionsimpact of the preferredcommon stock warrants is already considered in the issuance of senior preferred stock,average dilutive shares. See Capital Risk Management and the election of directors. Preferred stock dividends reduce earnings available to common shareholders and are paid quarterly or semiannually in arrears. The preferred stock redemption amount is computed at the per share liquidation preference plus any declared but unpaid dividends. All of the outstanding series of preferred stock are registered with the SEC. In addition, Series A, G, and H preferred stock are listed and traded on the New York Stock Exchange. See Note 1314 of the Notes to Consolidated Financial Statements for further information regardingabout the Company’s preferred stock.warrants.
Equity Capital and Dividends
As of February 9, 2018,6, 2020, there were 4,3534,260 holders of record of the Company’sBank’s common stock. The frequency and amount of common stock dividends paid duringIn February 2020, the last two years are as follows:
 1st Quarter 2nd Quarter 3rd Quarter 4th Quarter
        
2017$0.08
 $0.08
 $0.12
 $0.16
20160.06
 0.06
 0.08
 0.08
The Company’sBank’s Board of Directors approved a dividend of $0.20$0.34 per common share payable on February 22, 201820, 2020 to shareholders of record on February 15, 2018.13, 2020. The CompanyBank expects to continue its policy of paying regular cash

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dividends on a quarterly basis, although there is no assurance as to future dividends because they depend onmay be influenced by future earnings, capital requirements, financial condition, and regulatory approvals.
SHARE REPURCHASESShare Repurchases
During 2017 weThe Bank continued ourits common stock repurchase program during 2019 and repurchased 723.5 million shares of common shares outstanding, which is equivalent to 13% of common stock outstanding as of December 31, 2018, with a fair value of $1.1 billion at an average price of $46.80 per share. In February 2020, the Bank announced that the Board approved a plan to repurchase $75 million of common stock during the first quarter of 2020. During 2018, the Bank repurchased 12.9 million shares of common stock outstanding with a fair valuefor $670 million at an average price of $51.77. During 2017, the Bank repurchased 7.0 million shares for $320 million at an average price of $45.66 per share. During the first quarter of 2018, the Company repurchased an additional 2 million shares of common stock outstanding with a fair value of $115 million at an average price of $53.46 per share, leaving $120 million of repurchase capacity remaining in the 2017 capital plan (which spans the timeframe of July 2017 to June 2018).
During 2016 we repurchased 3 million shares of common stock outstanding with a fair value of $90 million at an average price of $31.15 per share.
The following schedule summarizes the Company’sBank’s share repurchases for the fourth quarter of 2017:2019:
Fourth Quarter of 2019 Share Repurchases
Period
Total number
of shares
repurchased 1
Average
price paid
per share
Shares purchased as part of publicly announced plans or programsApproximate dollar value of shares that may yet be purchased under the share repurchase plan (in millions)
October1,073,155  $48.92  1,073,020  $223  
November4,456,121  49.96  4,453,415  —  
December—  —  —  —  
Fourth quarter5,529,276  49.76  5,526,435  
1 Represents common shares acquired under previously reported share repurchase plans and common shares acquired in connection with our stock compensation plan. Shares were acquired from employees to pay for their payroll taxes and stock option exercise cost upon the exercise of stock options under provisions of an employee share-based compensation plan.
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Period 
Total number
of shares
repurchased 1
 
Average
price paid
per share
 Shares purchased as part of publicly announced plans or programs 
Approximate dollar value
of shares that may yet be
purchased under the plan
             
October 935
 $47.19
  
   $350,000,045
 
November 1,019,801
 48.07
  1,019,240
   301,000,280
 
December 1,302,618
 50.74
  1,300,777
   235,000,750
 
Fourth quarter 2,323,354
 49.57
  2,320,017
     
1
Represents common shares acquired from employees in connection with our stock compensation plan in addition to shares acquired under previously reported share repurchase plans. Shares were acquired from employees to pay for their payroll taxes and stock option exercise cost upon the vesting of restricted stock and restricted stock units, and the exercise of stock options, under provisions of an employee share-based compensation plan.
PERFORMANCE GRAPHPerformance Graph
The following stock performance graph compares the five-year cumulative total return of Zions Bancorporation’sthe Bank's common stock with the Standard &and Poor’s (S&P) 500 Index and the Keefe, Bruyette & Woods Inc. (“KBW”) Regional Bank Index both of which include Zions Bancorporation.(“KRX”). The KBW Bank IndexKRX is a modified market capitalization-weighted regional bank and thrift stock index developed and published by KBW, a nationally recognized brokerage and investment banking firm specializing in bank stocks. The index is composed of 2450 geographically diverse stocks representing national money centerregional banks and leading regional financial institutions.or thrifts. The stock performance graph is based upon an initial investment of $100 on December 31, 20122014 and assumes reinvestment of dividends.

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PERFORMANCE GRAPH FOR ZIONS BANCORPORATION, N.A.
INDEXED COMPARISON OF 5-YEAR CUMULATIVE TOTAL RETURN
zions-20191231_g1.jpg
 2012 2013 2014 2015 2016 2017
            
Zions Bancorporation100.0
 140.6
 134.6
 129.8
 206.7
 246.6
KBW Bank Index100.0
 137.8
 150.7
 151.4
 194.6
 230.7
S&P 500100.0
 132.4
 150.5
 152.5
 170.8
 208.1
201420152016201720182019
Zions Bancorporation, N.A.100.0  96.5  153.6  183.2  149.8  196.3  
KRX Regional Bank Index100.0  106.0  147.5  150.1  123.9  153.4  
S&P 500100.0  101.4  113.5  138.3  132.2  173.8  
SECURITIES AUTHORIZED FOR ISSUANCE UNDER EQUITY COMPENSATION PLANS
The information contained in Item 12 of this Form 10-K is incorporated by reference herein.

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ITEM 6. SELECTED FINANCIAL DATA
ITEM 6.SELECTED FINANCIAL DATA
FINANCIAL HIGHLIGHTS
(Dollar amounts in millions, except per share amounts)2019/2018 Change  2019  2018  2017  2016  2015  
For the Year
Net interest income+2 %$2,272  $2,230  $2,065  $1,867  $1,715  
Noninterest income+2 %562  552  544  516  357  
Total revenue+2 %2,834  2,782  2,609  2,383  2,072  
Provision for credit lossesNM  39  (40) 17  83  34  
Noninterest expense+4 %1,742  1,679  1,656  1,585  1,581  
Income before income taxes-8 %1,053  1,143  936  705  451  
Income taxes-8 %237  259  344  236  142  
Net income-8 %816  884  592  469  309  
Net earnings applicable to common shareholders-8 %782  850  550  411  247  
Per Common Share
Net earnings – diluted+2 %4.16  4.08  2.60  1.99  1.20  
Net earnings – basic+1 %4.41  4.36  2.71  2.00  1.20  
Dividends declared+23 %1.28  1.04  0.44  0.28  0.22  
Book value at year-end+10 %41.12  37.39  36.01  34.10  32.67  
Market price – end+27 %51.92  40.74  50.83  43.04  27.30  
Market price – high-12 %52.08  59.19  52.20  44.15  33.03  
Market price – low+3 %39.11  38.08  38.43  19.65  23.72  
At Year-End
Assets+1 %69,172  68,746  66,288  63,239  59,665  
Net loans and leases+4 %48,709  46,714  44,780  42,649  40,650  
Deposits+6 %57,085  54,101  52,621  53,236  50,374  
Long-term debt+138 %1,723  724  383  535  812  
Federal funds and other short-term borrowings-64 %2,053  5,653  4,976  827  347  
Preferred equity— %566  566  566  710  829  
Common equity-3 %6,787  7,012  7,113  6,924  6,679  
Performance Ratios
Return on average assets1.17 %1.33 %0.91 %0.78 %0.53 %
Return on average common equity11.2 %12.1 %7.7 %6.0 %3.8 %
Return on average tangible common equity13.1 %14.2 %9.0 %7.1 %4.6 %
Net interest margin3.54 %3.61 %3.45 %3.37 %3.19 %
Capital Ratios at Year End
Equity to assets10.6 %11.0 %11.6 %12.1 %12.6 %
Common equity tier 1 (Basel III), tier 1 common
(Basel I) 1
10.2 %11.7 %12.1 %12.1 %12.2 %
Tier 1 leverage 1
9.2 %10.3 %10.5 %11.1 %11.3 %
Tier 1 risk-based capital 1
11.2 %12.7 %13.2 %13.5 %14.1 %
Total risk-based capital 1
13.2 %13.9 %14.8 %15.2 %16.1 %
Tangible common equity8.5 %8.9 %9.3 %9.5 %9.6 %
Tangible equity9.3 %9.7 %10.2 %10.6 %11.1 %
Selected Information
Weighted average diluted common shares outstanding
(in thousands)
-10 %186,504  206,501  209,653  204,269  203,698  
Bank common shares repurchased - from publicly announced plans (in thousands)
+82 %23,505  12,943  7,009  2,889  —  
Common dividend payout ratio 1
29.0 %23.8 %16.1 %14.0 %18.3 %
Capital distributed as a percentage of net earnings applicable to common shareholders 2
170 %103 %74 %36 %18 %
Full-time equivalent employees— %10,188  10,201  10,083  10,057  10,200  
Branches— %434  433  433  436  450  
1The common dividend payout ratio is equal to common dividends paid divided by net earnings applicable to common shareholders.
2 This ratio is the common dividends paid plus share repurchases for the year, divided by net earnings applicable to common shareholders.
26
FINANCIAL HIGHLIGHTS
(Dollar amounts in millions, except per share amounts)2017/2016 Change 2017 2016 2015 2014 2013
For the Year           
Net interest income+11 % $2,065
 $1,867
 $1,715
 $1,680
 $1,696
Noninterest income+5 % 544
 516
 357
 493
 327
Total revenue+9 % 2,609
 2,383
 2,072
 2,173
 2,023
Provision for loan losses-74 % 24
 93
 40
 (98) (87)
Noninterest expense+4 % 1,649
 1,585
 1,581
 1,649
 1,704
Income before income taxes+33 % 936
 705
 451
 621
 407
Income taxes+46 % 344
 236
 142
 223
 143
Net income+26 % 592
 469
 309
 398
 264
Net earnings applicable to common shareholders+34 % 550
 411
 247
 327
 294
Per Common Share           
Net earnings – diluted+31 % 2.60
 1.99
 1.20
 1.68
 1.58
Net earnings – basic+36 % 2.71
 2.00
 1.20
 1.68
 1.58
Dividends declared+57 % 0.44
 0.28
 0.22
 0.16
 0.13
Book value 1
+6 % 36.01
 34.10
 32.67
 31.35
 29.57
Market price – end  50.83
 43.04
 27.30
 28.51
 29.96
Market price – high  52.20
 44.15
 33.42
 33.33
 31.40
Market price – low  38.43
 19.65
 23.72
 25.02
 21.56
At Year-End           
Assets+5 % 66,288
 63,239
 59,665
 57,203
 56,021
Net loans and leases+5 % 44,780
 42,649
 40,650
 40,064
 39,043
Deposits-1 % 52,621
 53,236
 50,374
 47,848
 46,363
Long-term debt-28 % 383
 535
 812
 1,086
 2,263
Federal funds and other short-term borrowings+502 % 4,976
 827
 347
 244
 340
Shareholders’ equity:

          
Preferred equity-20 % 566
 710
 829
 1,004
 1,004
Common equity+3 % 7,113
 6,924
 6,679
 6,366
 5,461
Performance Ratios           
Return on average assets  0.91% 0.78% 0.53% 0.71% 0.48%
Return on average common equity  7.7% 6.0% 3.8% 5.4% 5.7%
Return on average tangible common equity  9.0% 7.1% 4.6% 6.7% 7.4%
Net interest margin  3.45% 3.37% 3.19% 3.26% 3.36%
Capital Ratios 1
           
Equity to assets  11.6% 12.1% 12.6% 12.9% 11.5%
Common equity tier 1 (Basel III), tier 1 common
(Basel I) 2
  12.1% 12.1% 12.2% 11.9% 10.2%
Tier 1 leverage 2
  10.5% 11.1% 11.3% 11.8% 10.5%
Tier 1 risk-based capital 2
  13.2% 13.5% 14.1% 14.5% 12.8%
Total risk-based capital 2
  14.8% 15.2% 16.1% 16.3% 14.7%
Tangible common equity  9.3% 9.5% 9.6% 9.5% 8.0%
Tangible equity  10.2% 10.6% 11.1% 11.3% 9.9%
Selected Information           
Weighted average diluted common shares outstanding
(in thousands)
  209,653
 204,269
 203,698
 192,789
 184,297
Company common shares repurchased - from publicly announced plans (in thousands)
  7,009
 2,889
 
 
 
Common dividend payout ratio  16.05% 14.04% 18.30% 9.56% 8.20%
Full-time equivalent employees  10,083
 10,057
 10,200
 10,462
 10,452
Commercial banking offices  431
 436
 450
 460
 469
1
At year-end.
2
For 2017, 2016, and 2015, ratios are based on Basel III. For years prior to 2015, ratios are based on Basel I.



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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES

ITEM 7. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS
ITEM 7.MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS
MANAGEMENT’S DISCUSSION AND ANALYSIS
GAAP to NON-GAAP RECONCILIATIONS
This Form 10-K presents non-GAAP financial measures, in addition to GAAP financial measures, to provide investors with additional information. The adjustments to reconcile from the applicable GAAP financial measures to the non-GAAP financial measures are presented in the following schedules. The CompanyBank considers these adjustments to be relevant to ongoing operating results and provide a meaningful base for period-to-period and company-to-company comparisons. These non-GAAP financial measures are used by management to assess the performance and financial position of the CompanyBank and for presentations of CompanyBank performance to investors. The CompanyBank further believes that presenting these non-GAAP financial measures will permit investors to assess the performance of the CompanyBank on the same basis as that applied by management.
Non-GAAP financial measures have inherent limitations and are not required to be uniformly applied by individual entities. Although non-GAAP financial measures are frequently used by stakeholders to evaluate a company, they have limitations as an analytical tool and should not be considered in isolation or as a substitute for analysis of results reported under GAAP.
The following are the non-GAAP financial measures presented in this Form 10-K and a discussion of whythe reasons for which management usesand investors use these non-GAAP measures:measures.
Return on Average Tangible Common Equity (“ROTCE”) – this schedule also includes “net earnings applicable to common shareholders, excluding the effects of the adjustments, net of tax” and “average tangible common equity.” Return on average tangible common equityROTCE is a non-GAAP financial measure that management believes provides useful information to management and others about the Company’sBank’s use of shareholders’ equity. Management believes the use of ratios that utilize tangible equity provides additional useful information about performance because they present measures of those assets that can generate income.
Schedule 1
RETURN ON AVERAGE TANGIBLE COMMON EQUITY (NON-GAAP)
Year Ended December 31,
(Dollar amounts in millions)201920182017
Net earnings applicable to common shareholders (GAAP)$782  $850  $550  
Amortization of core deposit and other intangibles, net of tax—    
Net earnings applicable to common shareholders, excluding amortization of core deposits and intangibles, net of tax (non-GAAP)(a) $782  $851  $554  
Average common equity (GAAP)$6,965  $7,024  $7,148  
Average goodwill and intangibles(1,014) (1,015) (1,019) 
Average tangible common equity (non-GAAP)(b) $5,951  $6,009  $6,129  
Return on average tangible common equity (non-GAAP)(a/b) 13.1 %14.2 %9.0 %
Tangible Equity Ratio, Tangible Common Equity Ratio, and Tangible Book Value per Common Share – this schedule also includes “tangible equity,” “tangible common equity,” and “tangible assets.” Tangible equity ratio, tangible common equity ratio and tangible book value per common share are non-GAAP financial measures that management believes providesprovide additional useful information about the levels of tangible assets and tangible equity between each other and in relation to outstanding shares of common stock. Management believes the use of ratios that utilize tangible equity provides additional useful information to management and others about capital adequacy because they present measures of those assets that can generate income.
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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
Schedule 2
TANGIBLE EQUITY RATIO, TANGIBLE COMMON EQUITY RATIO, AND TANGIBLE BOOK VALUE PER COMMON SHARE (ALL NON-GAAP MEASURES)
(Dollar amounts in millions, except per share amounts)December 31,
201920182017
Total shareholders’ equity (GAAP)$7,353  $7,578  $7,679  
Goodwill and intangibles(1,014) (1,015) (1,016) 
Tangible equity (non-GAAP)(a)6,339  6,563  6,663  
Preferred stock(566) (566) (566) 
Tangible common equity (non-GAAP)(b)$5,773  $5,997  $6,097  
Total assets (GAAP)$69,172  $68,746  $66,288  
Goodwill and intangibles(1,014) (1,015) (1,016) 
Tangible assets (non-GAAP)(c)$68,158  $67,731  $65,272  
Common shares outstanding (thousands)(d)165,057  187,554  197,532  
Tangible equity ratio (non-GAAP)(a/c)9.3 %9.7 %10.2 %
Tangible common equity ratio (non-GAAP)(b/c)8.5 %8.9 %9.3 %
Tangible book value per common share (non-GAAP)(b/d)$34.98$31.97$30.87
Efficiency Ratio and Adjusted Pre-provision Net Revenue – this schedule also includes “adjusted noninterest expense,” “taxable-equivalent net interest income,” “adjusted taxable-equivalent revenue,” “pre-provision net revenue (“PPNR”) ,”, and “adjusted PPNR.” The methodology of determining the efficiency ratio may differ among companies. Management makes adjustments to exclude certain items as identified in the subsequent schedule which it believes allows for more consistent comparability among periods. Management believes the efficiency ratio provides useful information regarding the cost of generating revenue. Adjusted noninterest expense provides a measure as to how well the CompanyBank is managing its expenses, and adjusted PPNR enables management and others to assess the Company’sBank’s ability to generate capital to cover credit losses through a credit cycle. Taxable-equivalent net interest income allows management to assess the comparability of revenue arising from both taxable and tax-exempt sources. The efficiency ratio and adjusted noninterest expense are the key metrics to which the Company announced it would hold itself accountable in its June 1, 2015 efficiency initiative, and to which executive compensation is tied.

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Schedule 1
RETURN ON AVERAGE TANGIBLE COMMON EQUITY (NON-GAAP) – ANNUAL
  Year Ended December 31,
(Dollar amounts in millions) 2017 2016 2015
Net earnings applicable to common shareholders (GAAP) $550
 $411
 $247
Adjustments, net of tax:      
Amortization of core deposit and other intangibles 4
 5
 6
Net earnings applicable to common shareholders, excluding the effects of the adjustments, net of tax (non-GAAP)(a)$554
 $416

$253
Average common equity (GAAP) $7,148
 $6,915
 $6,581
Average goodwill (1,014) (1,014) (1,014)
Average core deposit and other intangibles (5) (13) (21)
Average tangible common equity (non-GAAP)(b)$6,129
 $5,888
 $5,546
Return on average tangible common equity (non-GAAP)(a/b)9.0% 7.1% 4.6%
Schedule 2
TANGIBLE EQUITY (NON-GAAP), TANGIBLE COMMON EQUITY (NON-GAAP), AND TANGIBLE BOOK VALUE PER COMMON SHARE (NON-GAAP)
(Dollar amounts in millions, except per share amounts) December 31,
 2017 2016 2015
Total shareholders’ equity (GAAP) $7,679
 $7,634
 $7,507
Goodwill (1,014) (1,014) (1,014)
Core deposit and other intangibles (2) (8) (16)
Tangible equity (non-GAAP)(a)6,663
 6,612
 6,477
Preferred stock (566) (710) (829)
Tangible common equity (non-GAAP)(b)$6,097
 $5,902
 $5,648
Total assets (GAAP) $66,288
 $63,239
 $59,665
Goodwill (1,014) (1,014) (1,014)
Core deposit and other intangibles (2) (8) (16)
Tangible assets (non-GAAP)(c)$65,272
 $62,217
 $58,635
Common shares outstanding (thousands)(d)197,532
 203,085
 204,417
Tangible equity ratio (non-GAAP)(a/c)10.2% 10.6% 11.0%
Tangible common equity ratio (non-GAAP)(b/c)9.3% 9.5% 9.6%
Tangible book value per common share (non-GAAP)(b/d)$30.87 $29.06 $27.63


Schedule 3
EFFICIENCY RATIO (NON-GAAP) AND ADJUSTED PRE-PROVISION NET REVENUE (NON-GAAP)
(Dollar amounts in millions)201920182017
Noninterest expense (GAAP)(a) $1,742  $1,679  $1,656  
Adjustments:
Severance costs25    
Other real estate expense, net(3)  (1) 
Amortization of core deposit and other intangibles   
Restructuring costs15    
Pension termination-related expense—  —  —  
Total adjustments(b) 38   16  
Adjusted noninterest expense (non-GAAP)(a-b)=(c) $1,704  $1,672  $1,640  
Net interest income (GAAP)(d) $2,272  $2,230  $2,065  
Fully taxable-equivalent adjustments(e) 26  22  35  
Taxable-equivalent net interest income (non-GAAP)(d+e)=(f) 2,298  2,252  2,100  
Noninterest income (GAAP)(g) 562  552  544  
Combined income (non-GAAP)(f+g)=(h) 2,860  2,804  2,644  
Adjustments:
Fair value and nonhedge derivative loss(9) (1) (2) 
Securities gains, net  14  
Total adjustments(i) (6) —  12  
Adjusted taxable-equivalent revenue (non-GAAP)(h-i)=(j) $2,866  $2,804  $2,632  
Pre-provision net revenue (non-GAAP)(h)-(a) $1,118  $1,125  $988  
Adjusted pre-provision net revenue (non-GAAP)(j-c) 1,162  1,132  992  
Efficiency ratio (non-GAAP)(c/j) 59.5 %59.6 %62.3 %
(Dollar amounts in millions) 2017 2016 2015
       
Noninterest expense (GAAP)(a)$1,649
 $1,585
 $1,581
Adjustments:      
Severance costs 7
 5
 11
Other real estate expense, net (1) (2) (1)
Provision for unfunded lending commitments (7) (10) (6)
Debt extinguishment cost 
 
 3
Amortization of core deposit and other intangibles 6
 8
 9
Restructuring costs 4
 5
 4
Total adjustments(b)9
 6
 20
Adjusted noninterest expense (non-GAAP)(a-b)=(c)$1,640
 $1,579
 $1,561
Net interest income (GAAP)(d)$2,065
 $1,867
 $1,715
Fully taxable-equivalent adjustments(e)35
 25
 18
Taxable-equivalent net interest income (non-GAAP)1
(d+e)=(f)2,100
 1,892
 1,733
Noninterest income (GAAP)(g)544
 516
 357
Combined income (non-GAAP)(f+g)=(h)2,644
 2,408
 2,090
Adjustments:      
Fair value and nonhedge derivative income (loss) (2) 2
 
Securities gains (losses), net 14
 7
 (127)
Total adjustments(i)12
 9
 (127)
Adjusted taxable-equivalent revenue (non-GAAP)(h-i)=(j)$2,632
 $2,399
 $2,217
Pre-provision net revenue (non-GAAP)(h)-(a)$995
 $823
 $509
Adjusted pre-provision net revenue (non-GAAP)(j-c)992
 820
 656
Efficiency ratio (non-GAAP)(c/j)62.3% 65.8% 70.4%
CompanyBank Overview
Zions Bancorporation, (“the Parent”)National Association and its subsidiaries (collectively “Zions Bancorporation, N.A.,” “the Company,” “Zions,Bank,” “we,” “our,” “us”) together comprise a $66 billion financial holding companybank headquartered in Salt Lake City, Utah.
AsUtah with assets of December 31, 2017,$69 billion, net revenue (net interest income and noninterest income) exceeding $2.5 billion. We operate as a collection of great community banks that emphasizes local authority and responsibility for results. We are focused on the Company wascommunities in our footprint and banking businesses and their owners and executives in those communities, where relationships are particularly important. Our experienced bankers develop long-lasting relationships with our customers by providing valuable advice and award-winning service; such relationships are further enhanced by digital products our customers desire. Building such relationships is essential to maintaining our deposit franchise, which currently provides us with one of the 19th largest domestic bank holding company in termslowest costs of deposits and is included in the Standardindustry, and Poor’s (“S&P”) 500to maintaining an overall high customer satisfaction relative to peers. We are a consistent national and NASDAQ Financial 100 indices.
At December 31, 2017, the Company had banking operations through 433 domestic branchesstate-wide leader of customer survey awards in eleven western states. Additionally, the Company currently has, and continues to develop its digital delivery capabilities. Revenues and profits are primarily derived from commercial customers and the Company also emphasizes mortgage banking, wealth management, municipal finance, and brokerage services.
The Company is consistently ranked among the best banks in the country to work with by its small and middle-market customers, as measured by the Greenwich Associates annual survey. Since the awards inception in 2009, only three other U.S. banks have consistently received as many Greenwich Excellence Awards as Zions Bancorporation.
The Company consistently wins awards for the best bank within its geography. Examples include the best bank awards given by local newspapers, business journals, or similar publications in Nevada, Arizona, and California: Orange County (four consecutive years) and San Diego County (seven consecutive years).
The long-term strategy of the Company is driven by key factors that include:
Continuing to execute on our community bank business model by doing business on a “local” basis, with significant local decision making for customer-facing elements of our business including product offerings, marketing, and pricing. We believe this provides a meaningful competitive advantage and an opportunity for growth over larger national banks whose loan and deposit products are often homogeneous. We are actively


engaged in community events and charitable efforts designed to give back to the people within our communities. In 2017, we believe this local, customized approach led to a strong showing with commercial customers as reflected in the Greenwich Awards referenced earlier,banking, as well as a national leader in SBA lending and public finance advisory services.
While we serve several important customer segments in our markets, our strategy is especially focused on four key areas: Small Business, Commercial, Affluent, and Capital Markets. Small Business and Commercial are segments where our local operating model is very impactful and valued by our customers, and we continue to invest in the capabilities that differentiate us from our competitors. We are making strategic investments in Affluent and Capital Markets to deepen our relationships with our core customers, while also improving noninterest income contribution.
To enable the execution of our strategy, we are investing in five key areas:
Our employees and building their capabilities
Technologies that customers value most and that will make us efficient
Simplifying how we do business at all levels of the company
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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
Maintaining effective risk management practices to ensure judicious risk taking
Advanced enterprise data and analytics to support local execution
Our strategic objectives include:
Achieving revenue growth rate of loans that exceededis competitive with the domestic commercial banks’ rate by approximately three percentage points.industry without incurring excessive risk while maintaining a cost structure that results in an efficiency ratio that is competitive with our peers. This includes improving our profitability ratios relative to peers and over the long term driving superior PPNR growth.
Achieving even greater efficiencies than currently reflected in our financial statements. We have improved the financial performance of the Company significantly during the past three years and we intend to continue to do so by creating value through the adoption of common practices, automation, and simplification of all of our front, middle and back-office processes.
We expect to achieve continued growth of revenue (net interest income plus noninterest income) in excess of noninterest expense—so-called positive operating leverage—which should result in annual PPNR growth in the high single digit rate and further improvement to the efficiency ratio.
Improving profitability ratios. Improved operating efficiency coupled with low credit costs as experienced in 2017 should lead to improved profitability ratios, such as the return on assets and equity. We expect to maintain or increase the return of shareholders’ equity due to stronger earnings and a lower risk profile than seen in stress testing results just a few years ago.
Maintaining a strong approach to risk management, having meaningfully improved our operational, credit, and financial risk management in the past several years.
Striving to be a “top employer of choice,” which means employees view Zions Bancorporation as one of the best places to work and grow.
We believeare focused on revenue initiatives, including simplifying underwriting processes, simplified and fast account opening, and superior digital product delivery to enable faster and safe small business customer growth. We are developing our scale gives us superior access tocapabilities in capital markets, more robust treasurywealth management, mortgage and other product capabilities than smaller community banks. Looking forward for the next several years, we believe that digital delivery of products, including mobileretail banking online bankingto increase noninterest income.
We are committed to expense control and havingare simplifying our operations in a core processing system that is robustcontinual and prevents outages, is critical to remaining competitive.systematic way. As operations are simplified, many such processes can be automated and as such we are investing significantly in technology that is expected to reduce delivery costs over time.
Competing effectively against the largest banks with a substantial amountcombination of technology and service.
We have developed, and continue to upgradedevelop, our digital delivery capabilities.
We are consolidating our multiple core operating systems onto a single operating system for commercial loans, certain retail loans, and replace systemsall deposits, referred to as our “Core Transformation Project.” We believe this will give us an advantage over other large regional banks by allowing us to more quickly adopt emerging digital products.
We continue to invest in high-impact areas to maintain customer satisfaction results that are superior to peers. We are embarking on an initiative to provide even greater levels of service by increasing our investment in our business bankers and applications.branch staff. This investment is expected to result in a key differentiator between our bank and other large banks, especially for small business customers who report that two of the top three key factors in determining the bank they use are (1) the convenience of the location of the branch and (2) access to an account officer.
DuringWe believe that our long-term success depends upon the past several yearssuccess of the local communities we have takenserve. We strive to make significant, actionslong-term, business and philanthropic investments that will benefit our communities.
We strive to improve the Company’smaintain a strong risk management profile which include:
The reduction of an above-average concentration in CRE commitments, and within CRE, the concentration of land development commitments declined from more than 70% of total risk-based capital in 2007, to less than 5% at December 31, 2017;
Numerous changes made to the credit administration organization and processes to facilitate improved data collection on loans and monitoring of potential default and loss risk;
The higher-risk portfolio of collateralized debt obligation securities were sold and replaced with government and government agency securities;
A significant increase in the on-balance sheet storehouse of liquidity with the purchase of moderate duration securities with limited duration extension risk; i.e., management has generally purchased securities that within the context of a rising interest rate environment would not experience interest rate related losses;
The addition of five members of the Board of Directors;
The replacement and upgrade of management information and accounting systems to allow for a more complete view of the Company’s risks and opportunities;
The ongoing evaluation and classification of all known risks into approximately sixty unique risk categories, which are regularly monitored and reported in a process that flows from line-level employees through executive management to the Board of Directors;
The streamlining or elimination of redundant or inefficient processes, and the reduction of unnecessary complexity in product types;
With the improvementto be a positive outlier (i.e., superior performance relative to peers) in the risk profile, along with improving profitability, the Company’s capital stress test results have markedly improved within the past few years, and as such, we have increased the returnevent of capital to shareholders including increasing the common dividend from $0.16 per share in 2014 to $0.44 per share in 2017. Additionally, we repurchased $320 million of common stock during 2017. We believe we are carryingan economic downturn.

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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES

excess capital, informed primarily by our stress test results, and have indicated that we intend to increase the leverage of the Company at a gradual pace as a result of moderate loan growth combined with total payout ratios generally similar to the current capital plan.
As part of our ongoing simplification and efficiency efforts, in December 2015, the Company consolidated its various banking charters into a single charter. Additionally, as previously discussed, in November 2017, the Company announced plans to change its structure to consolidate the holding company into the banking entity. This change, if approved by shareholders and regulators, will further reduce duplication of effort and simplify operations. For more information see, “Regulatory relief if proposed restructuring is completed and FSOC application is approved,” on page 15.
RESULTS OF OPERATIONS
Executive Summary
Net Earnings Applicable to Common Shareholders
(in millions)
Diluted EPS
Adjusted PPNR
(in millions)
Efficiency ratio
zions-20191231_g2.jpgzions-20191231_g3.jpgzions-20191231_g4.jpgzions-20191231_g5.jpg
The decline in net earnings applicable to common shareholders from 2018 to 2019 was primarily due to a negative provision for 2018 that did not recur in 2019, and an increase in noninterest expense.Although earnings for 2019 were lower when compared with 2018, diluted EPS increased as a result of the Bank repurchasing $1.1 billion, or 23.5 million shares, which was 12.5% of outstanding shares as of December 31, 2018.The increase in adjusted PPNR was primarily the result of increased interest income due to loan growth and limiting growth of noninterest expense.We continue to strive for improvements to our efficiency ratio.
In addition to the metrics shown above, the Bank’s net interest margin (“NIM”) decreased 7 basis points (“bps”) for the full year of 2019 versus 2018, which was largely attributable to the low interest rate environment (see “Interest-Earning Assets, Interest-Bearing Liabilities and Net Interest Margin” for more information on the NIM).
Asset quality remained relatively stable in 2019. Total criticized and classified loans increased $217 million, or 19%, and $105 million, or 15%, respectively, from historically low levels in 2018, while nonaccrual loans decreased $9 million, or 4%, during this same period. Net loan and lease charge-offs, expressed as a percentage of average loans held for investment, was 0.08% in 2019, compared with net recoveries of 0.04% in 2018.
Specifically, the financial performance of 2019 relative to 2018 reflects:
Moderate net interest income growth resulting from loan growth;
A reduction in the overnight federal funds rate by 75 bps, which resulted in net interest margin compression;
Modest noninterest income growth due to continued focus on this source of revenue; we experienced notable successes such as generating strong growth in capital markets and foreign exchange fees related to arranging interest rate hedges for our loan customers, loan syndication arrangement fees, and foreign exchange fees. Wealth management and trust fees increased as a result of increased corporate and personal trust revenue;
Excluding the severance and restructuring charges of $37 million in the fourth quarter of 2019, a slight increase in noninterest expense while we remain focused on expense controls and continue to invest in technology and simplification initiatives. We delivered on our commitment to limit adjusted noninterest expense growth in 2019 to only a slight increase relative to our 2018 results. Adjusted noninterest expense increased $32 million, or 2%, to $1.7 billion in 2019;
An increase in the provision for credit losses to $39 million in 2019 from $(40) million in 2018. The Company reported2019 provision increased due to loan growth, stabilizing credit quality, and increased net charge-offs (mainly due to a few larger isolated charge-offs). During 2018, strong improvements in credit quality and net recoveries resulted in a negative provision;
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Average deposit growth of $1.9 billion, or 4%, was very strong during the second half of 2019, which accounted for over 90% of the annual growth.
Although net earnings applicable to common shareholders for 2017 of $550 million or $2.60decreased by 8% over the prior year, earnings per diluted common share compared with $411 million or $1.99 per diluted common share for 2016. The improved financial performance reflects revenue growth, continued expense control and improved credit quality, particularly in the oil and gas-related loan portfolio. Net income increased in 2017 primarilyby 2% due to a $198 million increase in net interest income, from growth in our lending and securities portfolios during the year, and short-term rate increases that positively impacted loan yields. Revenue also experienced a benefit from a $28 million increase related to noninterest income and credit costs, specifically the provision for loan losses, declined $69 million. These increases were partially offset by a $64 million increase in noninterest expense
Performance Relative to Previously Announced Initiatives
Efficiency Initiatives
In June 2015 we announced several initiatives to improve operational and financial performance along with some key financial targets. Our initiatives are designed to improve customer experience, to simplify the corporate structure and operations, and to make the Company a more efficient organization. Following is a brief discussion regarding our performance against these key financial targets:
Achieve an efficiency ratio in the low 60% range for fiscal year 2017. Our efficiency ratio for 2017 was 62.3%, which met our goal for the year, compared with 65.8% for 2016, representing a 351 bps improvement. Improvements in interest income from securities and loans, partially offset by an increase in adjusted noninterest expense, drove the significant improvement. See “GAAP to Non-GAAP Reconciliations” on page 29 for more information regarding the calculationrepurchase of the adjusted efficiency ratio and why management uses this non-GAAP measure.
Maintain adjusted noninterest expense at less than $1.58$1.1 billion, in 2016, with a modest increase of 2-3% in 2017. We met our target for fiscal year 2016, keeping adjusted noninterest expense to $1.579 billion. In 2017, total adjusted noninterest expense was $1.640 billion. Zions made a $12 million contribution to a charitable foundation in the fourth quarter of 2017, which was related in part to the Tax Cuts and Jobs Act. Excluding the impact of this one-time accelerated contribution, adjusted noninterest expense increased $49 million, or 3%, which was in line with our expectations. Adjusted noninterest expense excludes those same expense items excluded in arriving at the efficiency ratio (see “GAAP to Non-GAAP Reconciliations” on page 29 for more information regarding the calculation of the efficiency ratio).
Increase returns on tangible common equity to more than ten percent. Returns were 9.0%, 7.1%, and 4.6% for 2017, 2016, and 2015, respectively. Adjusting for the estimated net DTA write-off of $47 million through income tax expense associated with the decrease in the federal income tax rate from the passage of new legislation (see “Income Taxes” on page 45 for more information), and the $12 million charitable contribution, return on tangible common equity for 2017 would have been 9.9%. These year-over-year increases demonstrate our commitment to improving profitability, as we continue to work towards achieving this goal. See “GAAP to Non-GAAP Reconciliations” on page 29 for more information regarding the calculation of the adjusted efficiency ratio and why management uses this non-GAAP measure.


Achieve cumulative gross pretax cost savings of $120 million from operational expense initiatives by fiscal year 2017. Savings from technology initiatives, the consolidation of legal charters, and improved operational efficiency across the Company helped us achieve this goal by the end of 2017.
Highlights in 2017
Net interest income, which is more than three-quarters of our revenue, improved by $198 million to $2.1 billion compared with 2016. The average balance of our investment securities portfolio grew $5.4 billion, and the average rate on those securities expanded 9 bps due in part to a change in asset mix. Our average lending portfolio also grew by 3% or $1.4 billion; the average yield on the loan portfolio increased 14 bps, reflecting in part several increases in short-term benchmark rates. Although there was a decrease in the average balance of long-term debt in 2017 of $286 million, this was offset by increased average Federal Home Loan Bank (“FHLB”) and other short-term borrowings, which rose by $3.6 billion. Interest expense increased $40 million compared with 2016, almost entirely driven by the increase in wholesale funding. Interest expense on deposits increased only $10 million on more than $52 billion of average deposits. Some of the same factors that led to an increase in net interest income also resulted in net interest margin (“NIM”) expansion in 2017 relative to 2016, which was 3.45% and 3.37%, respectively.
Adjusted PPNR of $992 million in 2017 was up $172 million from 2016. This increase reflects operating leverage improvement resulting from loan growth and a more profitable average earning assets mix. Adjusted noninterest expense increased to $1.640 billion (or $1.628 billion, if excluding the charitable foundation contribution related to the Tax Cuts and Jobs Act) from $1.579 billion in 2017, however, this was more than offset by improved revenue. PPNR improvements during 2017 have driven an improvement in the Company’s efficiency ratio from 65.8% in 2016 to 62.3% in 2017.
Our lending portfolio grew $2.1 billion based on year-end balances, or 5% during 2017. We have seen widespread growth across most products and geographies, with particular strength in 1-4 family residential, commercial and industrial, and municipal lending. We saw a small decline in our National Real Estate (“NRE”) portfolio, and we actively managed decreases in our oil and gas-related and CRE term portfolios. We are currently comfortable with the concentrations in both the oil and gas-related and CRE term portfolios and we do not expect the attrition trend to continue.
Asset quality has been very favorable during 2017. Credit quality in the oil and gas-related portfolio continues to strengthen and it has remained strong in the rest of the lending portfolio. Overall criticized, classified, and nonaccrual loans declined by $292 million, $444 million, and $127 million, respectively.
We continue to increase the return on- and of-capital. As previously mentioned, the Company’s return on average tangible common equity increased substantially in 2017 relative to 2016. Regarding return of capital, during the year, the Company repurchased 723.5 million shares, of Bank common stock for $320 million. Dividends per common share were $0.44 in 2017, up from $0.28 in 2016. In June, 2017, we announced that the Federal Reserve did not object to the capital actions in the Company’s 2017 capital plan (the binding portion of which spans the timeframe of July 2017 to June 2018). The plan included stepped quarterly common dividend increases, rising to $0.24 per share by the second quarter of 2018, and up to $465 million in common stock repurchases. See “Capital Management” on page 77 for more information regarding the 2018 capital plan.during 2019.
We announced in 2013 that we had started a project to replace our core loan and deposit banking systems (“Core Transformation Project”). We successfully implemented the first phase of the TCS BαNCS® core servicing system in mid-2017, replacing our consumer lending system. The second phase is focused on the replacement of our commercial and construction lending systems is expected to be completed in 2019. The replacement of the deposit system is the third phase of the project. As of December 31, 2017, the Company had $148 million of capitalized expenses associated with the Core Transformation Project. BαNCS® is a real time, parameter-driven servicing system that will provide long-term benefits to the Company by improving accessibility and functionality, allowing our bankers to better serve customers.


Areas Experiencing Challenges in 2019
While 2017 and 2018 experienced increases in short-term interest rates, 2019 experienced a declining interest rate environment. The relatively flat yield curve and low interest rate environment put pressure on our NIM. For the last several years we have been focused on achieving positive operating leverage and improving our profitability; however, in a period of falling interest rates, our ability to achieve these objectives becomes more difficult.
Although loan growth was generally consistent with the targeted levels we had established for 2019, we continued to experience a high level of competition during the year. Some of this competition came from nonbank financial institutions such as debt funds, debt capital markets, and covenant-light structures.
Average loan growth of $2.8 billion, or 6%, exceeded average deposit growth of $1.9 billion, or 4%. Consequently, on an average basis throughout 2019, we relied more on wholesale funding to finance incremental balance sheet growth, increasing our funding cost.
Noninterest income from customer-related fees increased approximately 3% in 2017 from the prior year period, which was less than the targeted growth goal. We2019, compared with 2018. While we experienced strength in card activity (credit, debit, merchant), growth in the Company’s trustcapital markets and foreign exchange fees and wealth management initiatives, and increased foreign currency and derivative transactions made on behalf of customers. This growth was partially offset by a decline in loan sales and servicing income, which was mainly due to fewer sales of residential mortgages and a lower valuation adjustment ontrust fees, our agricultural loan servicing assets accounted for at fair value. We are targeting mid-single digit growth ofother customer-related fee income.fees declined or were relatively flat.
Noninterest expense increased to $1.649 billion from $1.585 billion in 2016, equivalent to a 4% increase. Adjusting for the one-time charitable contribution mentioned earlier, adjusted noninterest expense increased 3%, which is in line with announced forecasts. Employee costs, including salaries and benefits expenses, were higher in 2017 than in the prior year, partially due to a combination of higher incentive compensation and increased costs in the Company’s benefit plans. Depreciation and amortization expense was higher by $5 million, in part, because we placed into use a newly constructed office building at our Amegy affiliate and as previously mentioned we successfully implemented the first phase of our Core Transformation Project. FDIC premiums increased $13 million over the prior year, due in part to a surcharge assessed to large banks introduced by the FDIC in the third quarter of 2016 with the purpose of recapitalizing the deposit insurance fund.
Areas of Focus for 20182020
In 2018,2020, we are focused on the ongoing initiatives related to CompanyBank profitability and returns on equity.on- and of-equity. Major areas of emphasis include the following:
Manage our interest rate risk profile to move toward a more neutral interest-rate sensitive position and to protect net income against further declines in interest rates;
Achieve positive operating leveragebroad-based loan growth (i.e., a low- to mid-single digit growth rate) within acceptable concentration limits;
Maintain annual mid-single digit loan growth rates
Achieve mid-single digit growth rates in customer-related fee income
Maintain strong expense controls: we expect adjusted noninterest expense to increase slightly--a rate of growth in the low single digit percentage range
Annual PPNR growth in the high single digit rate and further improvement to the efficiency ratio
Continue simplification of all aspects of how we do business
Achieve similar, or improve upon, growth rates in noninterest income, emphasizing customer-related fee income;
Maintain adjusted noninterest expense at 2019 levels or lower while continuing to invest in enabling technologies, which will help ensure long-term success in an increasingly competitive marketplace;
Manage noninterest expense growth linked to revenue growth, profitability and digital delivery strategies.
Implement technology upgradeupgrades and digital strategies to enhance automation and simplification of front, middle and back office processes; and
Increase the return onMaintain top quartile credit risk profile and maintain or increase the returnsuperior risk management posture leading to increasing returns of capitalcapital.
Continue to execute on our Community Bank Model – doing business on a “local” basis
Merge the Parent into its bank subsidiary, ZB, N.A.

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Schedule 4
KEY DRIVERS OF PERFORMANCE
2017 COMPARED TO 2016
Driver20192018Change
better/(worse)
(In billions)
Average net loans and leases$48.3  $45.4  %
Average money market investments1.3  1.4  (1) 
Average total securities15.2  15.6  (2) 
Average noninterest-bearing deposits23.4  23.8  (2) 
Average total deposits55.1  53.2   
(In millions)
Net interest income$2,272  $2,230  %
Provision for credit losses39  (40) NM  
Noninterest income562  552   
Customer-related fee income525  508   
Noninterest expense1,742  1,679  (4) 
Net interest margin3.54 %3.61 %-7 bps
Nonaccrual loans 1
$243  $252  %
Ratio of net charge-offs to average loans and leases0.08 %(0.04)%-12 bps
Ratio of nonperforming assets to loans and leases and other real estate owned 1
0.51 %0.55 %4 bps
Ratio of total allowance for credit losses to loans and leases outstanding1.14 %1.18 %4 bps
Driver 2017 2016 
Change
better/(worse)
       
  (In billions)  
Average net loans and leases $43.5
 $42.1
 3 %
Average money market investments 1.5
 3.7
 (59)
Average total securities 15.7
 10.3
 52
Average noninterest-bearing deposits 23.8
 22.5
 6
Average total deposits 52.2
 50.6
 3
  (In millions)  
Net interest income $2,065
 $1,867
 11 %
Provision for loan losses 24
 93
 74
Noninterest income 544
 516
 5
Customer-related fee income 1
 485
 473
 3
Noninterest expense 1,649
 1,585
 (4)
Net interest margin 3.45% 3.37% 8 bps
Nonaccrual loans 2
 414
 569
 27 %
Ratio of net charge-offs to average loans and leases 0.17% 0.31% 14 bps
Ratio of nonperforming lending-related assets to net loans and leases and other real estate owned 2
 0.93% 1.34% 41 bps
Ratio of total allowance for credit losses to net loans and leases outstanding 1.29% 1.48% 19 bps
1Includes the following income statement line items: service charges and fees on deposit accounts, other service charges, commissions and fees, wealth management and trust income, capital markets and foreign exchange, and loan sales and servicing income.
2 Includes loans held for sale.
Net Interest Income
Net interest income is the difference between interest earned on interest-earning assets and interest paid on interest-bearing liabilities. Taxable-equivalent netliabilities and is more than three-quarters of our revenue. Net interest income is derived from both the largest portionvolume of our revenue.interest-earning assets and interest-bearing liabilities and their respective yields/rates.
Net interest income was $2.3 billion during 2019, an improvement of $42 million, or 2%, compared with $2.2 billion during 2018. For 2017,both 2019 and 2018, taxable-equivalent net interest income was $2.1$2.3 billion, compared with $1.9 billion and $1.7$2.1 billion in 2016 and 2015, respectively.2017. The tax rate used for calculating all taxable-equivalent adjustments was 21% for both 2019 and 2018, and 35% for all years presented.2017. The slight increase over 2016, and the previous increase over 2015, were driven by several factors, including a larger average securities portfolio balance,in net interest income is due to loan growth, noninterest-bearing deposit stability and increasesdisciplined deposit pricing, partially offset by decreases in benchmark interest rates that impacted loan yields.rates. We expect the size of the securities portfolio to be relatively stable during the next several quarters, and we are not assuming any further increaseschanges in benchmark rates in our forecasts. Therefore,However, because of lower overnight benchmark federal funds rates, which decreased several times during 2019, partially offset by loan growth and the benefit of our noninterest-bearing deposits, we expect net interest income to increasedecrease at a moderate pace in 20182020 when compared with 2017.2019, if current conditions persist.
Net Interest Margin and Interest Rate Spreads in 2017 vs. 2016Schedule 5
INTEREST-EARNING ASSETS, INTEREST-BEARING LIABILITIES AND NET INTEREST MARGIN
20192018
(Dollar amounts in millions)Average
balance
Amount of
interest 1
Average
rate
Average
balance
Amount of
interest 1
Average
rate
ASSETS
Total interest-earning assets$64,942  $2,709  4.17 %$62,440  $2,503  4.01 %
Total interest-bearing liabilities37,675  411  1.09  34,453  251  0.73  
Impact of net noninterest-bearing sources of funds0.46  0.33  
Net interest margin$2,298  3.54 %$2,252  3.61 %
The NIM was 3.45%3.54% and 3.37%3.61% for 20172019 and 2016,2018, respectively. ComparedWhen comparing 2019 with 2016, changes2018, higher interest rates and a greater concentration of loans in the earning asset mix resultedled to an increase in higher securitiesearning asset yield, which was more than offset by an increase in deposit rates and loan balances, lower balances in money market investments, and higher balancesa modestly greater reliance on higher-cost borrowed funds.
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Table of wholesale borrowings to fund overall balance sheet growth. Moving funds from money market investments to loans and securities had a positive impact on NIM, while funding balance sheetContents
ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
Funding loan growth with wholesale borrowings reduced spreads and negatively impacted the NIM relative to deposit funding, although it was accretive to net interest income.
Noninterest-bearing demand deposit accounts are a significant benefit to NIM. The net impact of noninterest-bearing sources of funds on the NIM was also positively impacted by several increasesincreased to 0.46% in short-term interest rates. 2019, compared with 0.33% in 2018.
Average interest-earning assets increased $4.7$2.5 billion from 2016,2018, with average rates improving 1416 bps. Average interest-bearing liabilities increased $3.6$3.2 billion andwhile average rates increased 836 bps over the same period.
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Our average lending portfolio increased $2.8 billion to $48.3 billion, an increase of 6%. The average balance of our investment securities portfolio decreased $0.4 billion, while the year-end balance decreased $1.1 billion. The loan portfoliogrowth was funded through a mix of deposits, securities run-off and wholesale borrowings.
Interest expense increased $1.4$160 million, compared with 2018 results, attributable to both an increase in the cost and quantity of deposits and wholesale funding. Interest expense on deposits increased $119 million on $31.7 billion or 3% from 2016,of average interest-bearing deposits.
Average loans increased $2.8 billion due to widespread growth in essentially all loans categories, with average commercial loans accounting for over half of the majority of growth coming from 1-4 family residential, commercial and industrial, and municipal lending.growth. Yields on average balances increased overall, buoyed by increases of7 bps, 16 bps, and 2618 bps in the commercial, CRE and CREconsumer portfolios, respectively; yields on average


consumer balances were relatively flat during 2017. Much of the consumerrespectively. The commercial loan growth was in consumer 1-4 family residential,municipal, commercial and industrial, and owner-occupied loans, where our yields are generally lower than on commercial loans. Benchmark interest rates increased severalreal estate ("CRE"), but higher than consumer. The federal funds target rate decreased three times beginning in the fourth quarter of 2015, which has had a positive impact on NIM and spreads, as our earning assets generally reprice more quickly than our funding sources.2019 after increasing four times in 2018. A portion of our variable-rate loans were not affected by these changes primarily due to longer reset frequency, or because a substantial portion of our earningvariable-rate interest-earning assets are tied to longer-term ratesrate indices, which rates were impacted by a relatively flat yield curve for much of 2017. Additionally, NIM benefited from FDIC-supported loans by approximately 3 bps2018 and 4 bps in 2017 and 2016, respectively.2019. Also, our earning assets generally reprice more quickly than our funding sources. We expect continuedmoderate loan growth during 2020, which may not be as strong growthas we experienced in residential mortgages, with moderate growth in both CRE and commercial and industrial loans.2019.
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zions-20191231_g8.jpgzions-20191231_g9.jpg
Average available-for-sale (“AFS”) securities balances increased $5.4 billion during 2017 and yields were also up 17 bps due to the effect of rising interest rates on variable-rate securities, moderation in the amount of prepayments on agency-guaranteed, mortgage-backed securities, and investment in products providing a higher yield than the average portfolio. The purchases were funded by using lower-yielding average money market investments, which were reduced by $2.1 billion, and wholesale borrowing from the FHLB. The investment portfolio has now reached a generally appropriate size relative to the balance sheet.
Average noninterest-bearingnoninterest-bearing demand deposits provided us with low-cost funding and comprised 45.6%42% of average total deposits, which totaled $52.2$55.1 billion in 2017,2019, compared with 44.4%45% of average total deposits, which totaled $50.6$53.2 billion, for 2016.2018. Average interest-bearing deposits increased only 1%8% in 2017,2019, compared with 2016. Over the past 12 months2018. During 2019 the Federal Reserve has increaseddecreased the overnight benchmark Federal Fundsfederal funds rate by 75 bps, while the rate paid on the Company’sBank’s interest-bearing deposits increased 334 bps.
We are actively monitoring and managing deposits, and have been selectively increasingreducing deposit pricingrates since mid-2019, as benchmark federal funds interest rates have decreased. Our cost of total deposits during 2019 increased 21 bps relative to 2018, and we expect the cost of deposits to decline in certain markets and2020 due to ongoing efforts to better align deposit costs with certain clients, but we have not generally experienced significlower market rates, assuming no further benchmark interest rate increases.
ant pressure to broadly increase deposit rates. Although we consider a wide variety of sources when determining our fundingfunding needs, we benefit from access to deposits from a significant number of small to mid-sized business customers, which provide us with a low cost of funds and have a positive impact on our NIM. Including wholesale borrowings, the rate paid on interest-bearing liabilities increased 8 bps primarily due to borrowings increasing as a percentage of liabilities during 2017.36 bps.
The average balance of long-term debt decreased $286increased $701 million compared with 2016, and although2018, while the average rate increased 61 bps indecreased 152 bps. During 2019 the current year, because remaining debt was at a higher averageBank issued $500 million of senior notes with an interest rate than theof 3.35% and $500 million of subordinated notes with an interest rate on debt that matured and was available to be called; overallof 3.25%. Overall interest expense thereon decreased $13on long-term debt increased $18 million. As mentioned previously, the CompanyThe Bank has used short-term FHLBFederal Home Loan Bank (“FHLB”) borrowings to fund some of its balance sheet growth.growth during the past couple of years. Average short-term debt grew $3.6$0.2 billion and the rate paid increased 78 bps.43 bps. Further changes in short-term borrowings will be primarily driven by balancing changes in depositsloan growth, deposit growth and loansthe level of long term debt as we do not foreseeexpect significant increasesdecreases in investment security balances.
The spread on average interest-bearing funds was 3.27%3.08% in 2019 and 3.23% for 2017 and 2016,3.28% in 2018, respectively. The spread on average interest-bearing funds for these periods was affected by the same factors that had an impact on the NIM.
We expect the mix of interest-earning assets to continue to change over the next several quarters due to solid consumer loan growth, accompanied by moderate growth in CRE term loans, and non-oil and gas-related commercial and industrial loans. We anticipate this growth will be partially offset by continued modest reduction in the NRE portfolio.
Interest rate spreads and margin are impacted by the mix of assets we hold, the composition of our loan and securities portfolios and the type of funding used. Assuming no additional increases in the Federal Funds rate, we expect the yield on the securities portfolio to increase slightly, as the cash flow from the portfolio is redeployed into securities with yields that are slightly accretive to the overall portfolio. We expect the yield of the loan portfolio to increase somewhat due to the effects of rising interest rates in late 2017, partially offset by a continued modest change in the mix of the portfolio (increasing concentration in lower-yielding residential mortgages), as well as reduced income from higher-yielding loans purchased from the FDIC in 2009.


Our estimates of the Company’sBank’s interest rate risk position are highly dependent upon a number of assumptions regarding the repricing behavior of various deposit and loan types in response to changes in both short-term and long-term interest rates, balance sheet composition, and other modeling assumptions, as well as the actions of competitors and customers in response to those changes. In addition, our modeled projections for noninterest-bearing demand deposits, which are a substantial portion of our deposit balances, are particularly reliant on assumptions for which there is little historical experience due to the prolonged period of very low interest rates. Further detail on interest rate risk is discussed in “Interest Rate and Market
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Risk Management” on page 68.
64. Refer to the “Liquidity Risk Management” section beginning on page 7269 for more information on how we manage liquidity risk.
Schedule 6
Net Interest Margin and Interest Rate Spreads in 20162018 vs. 20152017

20182017
(Dollar amounts in millions)Average
balance
Amount of
interest 1
Average
rate
Average
balance
Amount of
interest 1
Average
rate
ASSETS
Total interest-earning assets$62,440  $2,503  4.01 %$60,874  $2,227  3.65 %
Total interest-bearing liabilities34,453  251  0.73  32,932  127  0.38  
Impact of net noninterest-bearing sources of funds0.33  0.18  
Net interest margin$2,252  3.61 %$2,100  3.45 %
The NIM was 3.37%3.61% and 3.19%3.45% for 20162018 and 2015,2017, respectively. Market trends and competitive pricing led to generally flat or lower yields across loans and investments in 2016 comparedWhen comparing 2018 with 2015. These yield adjustments were offset by2017, changes in the Company’s asset mix whichresulted in 2016 became less concentrated in lower-yieldinghigher average loans, lower average securities and money market investments, and more focused on higher-yielding agency securities and loans. Further contributing to the improvement was a decline in the Company’s cost of funds, due to higher amounts of noninterest-bearingaverage interest-bearing deposits and tender offers, early calls and maturitieswholesale borrowings balances to fund overall balance sheet growth. The expansion of higher-rate debt, including the remaining trust preferred securities.
NIM reflected a higher loan yield with only a moderate increase in funding costs. Average interest-earning assets increased $1.8$1.6 billion from 2015,2017, with average rates improving 1236 bps. Average interest-bearing liabilities increased $769 million$1.5 billion and average rates decreased 11increased 35 bps over the same period.
zions-20191231_g10.jpgzions-20191231_g11.jpg
Our average lending portfolio increased $1.9 billion to $45.4 billion, an increase of 4%. The average balance of our investment securities portfolio decreased $0.1 billion, while year-end balances decreased $0.5 billion. The net earning asset growth was funded through a mix of deposits and wholesale borrowings.
Interest expense increased $124 million compared to 2017 results, mainly due to both an increase in the cost and quantity of deposits and wholesale funding. Interest expense on deposits increased $76 million on $29.4 billion of average interest-bearing deposits.
The increase in the average loan portfolio was $1.9 billion higher during 2016, compared with 2015, althoughdue to growth in 1-4 family residential, commercial and industrial, and municipal lending. Yields on average balances increased by 43 bps, 45 bps, and 20 bps in the average interest rate earned oncommercial, CRE
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and consumer portfolios, respectively. Much of the loan portfolioconsumer growth was 8 bpsin consumer 1-4 family residential, where our yields are generally lower than it was in 2015 due to competitive pricing pressure and depressed interest rates. The larger average loan base generated an additional $45 million of taxable-equivalent interest income during the year. The largest average growth in 2016 was in the CRE portfolio, which also saw the average yield decline by 22 bps. The decline in loan yields occurred as new loans were originated or existing loans reset or were modified. See “Interest Rate and Market Risk Management” on page 68 for further information regarding our interest rate sensitivity.commercial loans.
During 2016 we continued to purchase U.S. agency pass-through securities in order to alter the mix of our interest-earning assets that began in the second half of 2014. The average balance of AFS securities for 2016 increased by $4.4 billion or 84%, compared with 2015, and the average yield was flat at 1.93%. Average balances of money market investments over the same period declined $4.6 billion, with an average yield during 2016 of 0.59%. This asset movement had the largest impact on the improvement in NIM during 2016.zions-20191231_g12.jpgzions-20191231_g13.jpg
Average noninterest-bearing demand deposits provided us with low cost funding and comprised 44.4%45% of average total deposits, for 2016,which totaled $53.2 billion in 2018, compared with 43.9%46% of average total deposits, which totaled $52.2 billion, for 2015.2017. Average interest-bearing deposit balancesdeposits increased by 3% in 20162018, compared with 2015; additionally,2017. During 2018 the Federal Reserve increased the overnight benchmark federal funds rate by 100 bps, while the rate paid was flat at 18on the Bank’s interest-bearing deposits increased 25 bps, implying a deposit beta of 25%. Including wholesale borrowings, the rate paid on interest-bearing liabilities increased 35 bps.
The average balance of long-term debt was $313increased $118 million lower for 2016 compared with 2015. The reduced balance was2017, while the resultaverage rate decreased 58 bps. During 2018, the Bank issued $500 million of tender offers, early calls and maturities. The averagesenior notes with an interest rate of 3.5%. Overall interest expense on long-term debt increased $4 million. Average short-term debt grew $466 million and the rate paid increased 88 bps.
The spread on average interest-bearing funds was 3.28% in 2018 and 3.27% in 2017, respectively. The spread on average interest-bearing funds for 2016 decreasedthese periods was affected by 157 bps compared with 2015. This was due to the maturity of higher cost long-term debt in the latter part of 2015, whichsame factors that had a greateran impact on the average rate during 2016.
The lower cost of funds in 2016, compared with 2015, and improved yields on average interest-earning assets, contributedNIM. Refer to the higher NIM and to an improvement in spread from 2.99% in 2015 to 3.23% in 2016.
The following schedule summarizes the average balances, the amount of interest earned or incurred, and the applicable yields“Liquidity Risk Management” section beginning on page 69 for interest-earning assets and the costs of interest-bearing liabilities that generate taxable-equivalent net interest income.more information on how we manage liquidity risk.

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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES

Schedule 5
DISTRIBUTION OF ASSETS, LIABILITIES, AND SHAREHOLDERS’ EQUITY7
AVERAGE BALANCE SHEETS, YIELDS AND RATES
20192018
(Dollar amounts in millions)Average
balance
Amount of
interest 1
Average
rate
Average
balance
Amount of
interest 1
Average
rate
ASSETS
Money market investments$1,346  $32  2.41 %$1,360  $29  2.12 %
Securities:
Held-to-maturity706  26  3.69  781  28  3.56  
Available-for-sale14,389  340  2.36  14,712  328  2.23  
Trading account147   4.45  109   3.97  
Total securities15,242  372  2.45  15,602  360  2.31  
Loans held for sale89   2.90  53   4.63  
Loans and leases 2
Commercial24,990  1,215  4.86  23,333  1,118  4.79  
Commercial real estate11,675  597  5.11  11,079  549  4.95  
Consumer11,600  490  4.22  11,013  445  4.04  
Total Loans and leases48,265  2,302  4.77  45,425  2,112  4.65  
Total interest-earning assets64,942  2,709  4.17  62,440  2,503  4.01  
Cash and due from banks610  549  
Allowance for loan losses(501) (495) 
Goodwill and intangibles1,014  1,015  
Other assets3,506  3,060  
Total assets$69,571  $66,569  
LIABILITIES AND SHAREHOLDERS' EQUITY
Interest-bearing deposits:
Saving and money market$26,852  $160  0.60 %$25,480  $81  0.32 %
Time4,868  94  1.94  3,876  54  1.38  
Foreign—  —  —  —  —  —  
Total interest-bearing deposits31,720  254  0.80  29,356  135  0.46  
Borrowed funds:
Federal funds purchased and other short-term borrowings4,719  111  2.36  4,562  88  1.93  
Long-term debt1,236  46  3.69  535  28  5.21  
Total borrowed funds5,955  157  2.64  5,097  116  2.27  
Total interest-bearing liabilities37,675  411  1.09  34,453  251  0.73  
Noninterest-bearing deposits23,361  23,827  
Total deposits and interest-bearing liabilities61,036  411  0.67  58,280  251  0.43  
Other liabilities1,004  699  
Total liabilities62,040  58,979  
Shareholders’ equity:
Preferred equity566  566  
Common equity6,965  7,024  
Total shareholders’ equity7,531  7,590  
Total liabilities and shareholders’ equity$69,571  $66,569  
Spread on average interest-bearing funds3.08  3.28  
Impact of net noninterest-bearing sources of funds0.46  0.33  
Net interest margin$2,298  3.54  $2,252  3.61  
Memo: total cost of deposits0.46  0.25  
 2017 2016
(Dollar amounts in millions)
Average
balance
 
Amount of
interest 1
 
Average
rate
 
Average
balance
 
Amount of
interest 1
 
Average
rate
ASSETS           
Money market investments$1,539
 $19
 1.23% $3,664
 $21
 0.59%
Securities:           
Held-to-maturity776
 31
 3.95
 675
 30
 4.40
Available-for-sale14,907
 313
 2.10
 9,546
 184
 1.93
Trading account64
 2
 3.75
 83
 3
 3.76
Total securities15,747
 346
 2.20
 10,304
 217
 2.11
Loans held for sale87
 3
 3.56
 140
 5
 3.36
Loans and leases 2
           
Commercial22,116
 964
 4.36
 21,748
 913
 4.20
Commercial Real Estate11,184
 504
 4.50
 11,131
 472
 4.24
Consumer10,201
 391
 3.84
 9,183
 351
 3.83
Total Loans and leases43,501
 1,859
 4.27
 42,062
 1,736
 4.13
Total interest-earning assets60,874
 2,227
 3.66
 56,170
 1,979
 3.52
Cash and due from banks786
     675
    
Allowance for loan losses(548)     (601)    
Goodwill1,014
     1,014
    
Core deposit and other intangibles5
     13
    
Other assets2,985
     2,779
    
Total assets$65,116
     $60,050
    
LIABILITIES           
Interest-bearing deposits:           
Saving and money market$25,453
 39
 0.15
 $25,672
 37
 0.15
Time2,966
 20
 0.69
 2,333
 12
 0.49
Foreign
 
 
 128
 
 0.28
Total interest-bearing deposits28,419
 59
 0.21
 28,133
 49
 0.18
Borrowed funds:           
Federal funds purchased and other short-term borrowings4,096
 44
 1.05
 456
 1
 0.27
Long-term debt417
 24
 5.79
 703
 37
 5.18
Total borrowed funds4,513
 68
 1.49
 1,159
 38
 3.25
Total interest-bearing liabilities32,932
 127
 0.38
 29,292
 87
 0.30
Noninterest-bearing deposits23,781
     22,462
    
Other liabilities624
     625
    
Total liabilities57,337
     52,379
    
Shareholders’ equity:           
Preferred equity631
     756
    
Common equity7,148
     6,915
    
Controlling interest shareholders’ equity7,779
     7,671
    
Noncontrolling interests
     
    
Total shareholders’ equity7,779
     7,671
    
Total liabilities and shareholders’ equity$65,116
     $60,050
    
Spread on average interest-bearing funds    3.27
     3.23
Taxable-equivalent net interest income and net yield on interest-earning assets  $2,100
 3.45
   $1,892
 3.37
1 Taxable-equivalent rates used where applicable. See “GAAP to Non-GAAP Reconciliations” on page 2927 for more information regarding taxable-equivalent net interest income.
2 Net of unearned income and fees, net of related costs. Loans include nonaccrual and restructured loans.




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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES

201720162015
Average
balance
Amount of
interest 1
Average
rate
Average
balance
Amount of
interest 1
Average
rate
Average
balance
Amount of
interest 1
Average
rate
$1,539  $19  1.23 %$3,664  $21  0.59 %$8,252  $23  0.28 %
776  31  3.95  675  30  4.40  581  30  5.08  
14,907  313  2.10  9,546  184  1.93  5,181  100  1.93  
64   3.75  83   3.76  64   3.46  
15,747  346  2.20  10,304  217  2.11  5,826  132  2.26  
87   3.56  140   3.36  125   3.61  
22,116  964  4.36  21,748  913  4.20  21,419  903  4.22  
11,184  504  4.50  11,131  472  4.24  10,178  454  4.46  
10,201  391  3.84  9,183  351  3.83  8,574  334  3.91  
43,501  1,859  4.27  42,062  1,736  4.13  40,171  1,691  4.21  
60,874  2,227  3.65  56,170  1,979  3.53  54,374  1,851  3.40  
786  675  642  
(548) (601) (607) 
1,019  1,027  1,035  
2,985  2,779  2,601  
$65,116  $60,050  $58,045  
$25,453  $39  0.15 %$25,672  $37  0.15 %$24,619  $38  0.16 %
2,966  20  0.69  2,333  12  0.49  2,274  10  0.43  
—  —  —  128  —  0.28  379   0.18  
28,419  59  0.21  28,133  49  0.18  27,272  49  0.18  
4,096  44  1.05  456   0.27  235  —  0.14  
417  24  5.79  703  37  5.18  1,016  69  6.75  
4,513  68  1.49  1,159  38  3.25  1,251  69  5.51  
32,932  127  0.38  29,292  87  0.30  28,523  118  0.41  
23,781  22,462  21,366  
56,713  127  0.22  51,754  87  0.14  49,889  118  0.20  
624  625  592  
57,337  52,379  50,481  
631  756  983  
7,148  6,915  6,581  
7,779  7,671  7,564  
$65,116  $60,050  $58,045  
3.27  3.23  2.99  
0.18  0.14  0.20  
$2,100  3.45  $1,892  3.37  $1,733  3.19  
0.11  0.10  0.10  




39

2015 2014 2013
Average
balance
 
Amount of
interest 1
 
Average
rate
 
Average
balance
 
Amount of
interest 1
 
Average
rate
 
Average
balance
 
Amount of
interest 1
 
Average
rate
                 
$8,252
 $23
 0.28% $8,218
 $21
 0.26% $8,850
 $23
 0.26%
                 
581
 30
 5.08
 609
 32
 5.27
 762
 38
 4.91
5,181
 100
 1.93
 3,472
 75
 2.17
 3,107
 72
 2.32
64
 2
 3.46
 61
 2
 3.22
 32
 1
 3.29
5,826
 132
 2.26
 4,142
 109
 2.64
 3,901
 111
 2.84
125
 5
 3.61
 128
 5
 3.63
 147
 5
 3.64
                 
21,419
 903
 4.22
 21,125
 922
 4.36
 20,186
 940
 4.65
10,178
 454
 4.46
 10,337
 484
 4.68
 10,386
 557
 5.36
8,574
 334
 3.91
 8,060
 328
 4.06
 7,537
 321
 4.25
40,171
 1,691
 4.21
 39,522
 1,734
 4.39
 38,109
 1,818
 4.77
54,374
 1,851
 3.40
 52,010
 1,869
 3.59
 51,007
 1,957
 3.84
642
     894
     1,014
    
(607)     (690)     (830)    
1,014
     1,014
     1,014
    
21
     31
     44
    
2,601
     2,623
     2,683
    
$58,045
     $55,882
     $54,932
    
                 
                 
$24,619
 38
 0.16
 $23,532
 37
 0.16
 $22,891
 40
 0.17
2,274
 10
 0.43
 2,490
 12
 0.46
 2,792
 16
 0.57
379
 1
 0.18
 642
 1
 0.18
 1,662
 3
 0.20
27,272
 49
 0.18
 26,664
 50
 0.19
 27,345
 59
 0.22
                 
235
 
 0.14
 223
 
 0.11
 278
 
 0.11
1,016
 69
 6.75
 1,803
 123
 6.82
 2,265
 186
 8.21
1,251
 69
 5.51
 2,026
 123
 6.09
 2,543
 186
 7.32
28,523
 118
 0.41
 28,690
 173
 0.60
 29,888
 245
 0.82
21,366
 
   19,610
     17,972
    
592
     554
     584
    
50,481
     48,854
     48,444
    

                
983
     1,004
     1,360
    
6,581
     6,024
     5,130
    
7,564
     7,028
     6,490
    

     
     (2)    
7,564
     7,028
     6,488
    
$58,045
     $55,882
     $54,932
    

   2.99
     2.99
     3.02
  $1,733
 3.19
   $1,696
 3.26
   $1,712
 3.36



ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
Schedule 68 analyzes the year-to-year changes in net interest income on a fully taxable-equivalent basis for the years indicated. For purposes of calculating the yields in these schedules, the average loan balances also include the principal amounts of nonaccrual and restructured loans. However, interest received on nonaccrual loans is included in income only to the extent that cash payments have been received and not applied to principal reductions. In addition, interest on restructured loans is generally accrued at reduced rates.
Schedule 68
ANALYSIS OF INTEREST CHANGES DUE TO VOLUME AND RATE
2019 over 20182018 over 2017
Changes due toTotal changesChanges due toTotal changes
(In millions)Volume
Rate1
Volume
Rate1
INTEREST-EARNING ASSETS
Money market investments$—  $ $ $(2) $12  $10  
Securities:
Held-to-maturity(3)  (2) —  (3) (3) 
Available-for-sale(7) 19  12  (4) 19  15  
Trading account    —   
Total securities(9) 21  12  (2) 16  14  
Loans held for sale —   (1) —  (1) 
Loans and leases2
Commercial81  16  97  55  99  154  
Commercial Real Estate30  18  48  (5) 50  45  
Consumer25  20  45  32  22  54  
Total loans and leases136  54  190  82  171  253  
Total interest-earning assets128  78  206  77  199  276  
INTEREST-BEARING LIABILITIES
Interest-bearing deposits:
Saving and money market 74  79  (1) 43  42  
Time15  25  40   26  34  
Total interest-bearing deposits20  99  119   69  76  
Borrowed funds:
Federal funds purchased and other short-term borrowings 20  23   40  44  
Long-term debt26  (8) 18   (2)  
Total borrowed funds29  12  41  10  38  48  
Total interest-bearing liabilities49  111  160  17  107  124  
Change in taxable-equivalent net interest income$79  $(33) $46  $60  $92  $152  
 2017 over 2016 2016 over 2015
 Changes due to Total changes Changes due to Total changes
(In millions)Volume 
Rate1
  Volume 
Rate1
 
INTEREST-EARNING ASSETS           
Money market investments$(12) $10
 $(2) $(13) $11
 $(2)
Securities:           
Held-to-maturity4
 (3) 1
 4
 (4) 
Available-for-sale111
 18
 129
 84
 
 84
Trading account(1) 
 (1) 1
 
 1
Total securities114
 15
 129
 89
 (4) 85
Loans held for sale(2) 
 (2) 1
 
 1
Loans and leases2
           
Commercial16
 35
 51
 13
 (3) 10
Commercial Real Estate2
 30
 32
 40
 (22) 18
Consumer38
 2
 40
 23
 (6) 17
Total loans and leases56
 67
 123
 76
 (31) 45
Total interest-earning assets156
 92
 248
 153
 (24) 129
INTEREST-BEARING LIABILITIES           
Interest-bearing deposits:           
Saving and money market
 2
 2
 
 (1) (1)
Time3
 5
 8
 
 2
 2
Foreign
 
 
 (1) 
 (1)
Total interest-bearing deposits3
 7
 10
 (1) 1
 
Borrowed funds:           
Federal funds purchased and other short-term borrowings31
 12
 43
 1
 
 1
Long-term debt(15) 2
 (13) (16) (16) (32)
Total borrowed funds16
 14
 30
 (15) (16) (31)
Total interest-bearing liabilities19
 21
 40
 (16) (15) (31)
Change in taxable-equivalent net interest income$137
 $71
 $208
 $169
 $(9) $160
1 Taxable-equivalent rates used where applicable.
2 Net of unearned income and fees, net of related costs. Loans include nonaccrual and restructured loans.
In the analysis of interest changes due to volume and rate, changes due to the volume/rate variance are allocated to volume with the following exceptions: when volume and rate both increase, the variance is allocated proportionately to both volume and rate; when the rate increases and volume decreases, the variance is allocated to rate.
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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
Provision for Credit Losses
Schedule 9
TOTAL ALLOWANCE AND PROVISION FOR CREDIT LOSSES
(In millions)December 31, 2019December 31, 2018Amount ChangePercent Change
At year end:
Allowance for loan and lease losses$495  $495  $—  — %
Reserve for unfunded lending commitments59  57    
Total allowance for credit losses$554  $552  $ — %
For the year ended:
Provision for loan losses$37  $(39) $76  NM  
Provision for unfunded lending commitments (1)  NM  
Total provision for credit losses$39  $(40) $79  NM  
The allowance for credit losses ("ACL") is the combination of both the ALLL and the reserve for unfunded lending commitments ("RULC"). The ALLL represents the estimated probable losses inherent in the loan and lease portfolio as of the balance sheet date. The RULC represents the estimated reserve for potential losses associated with off-balance sheet commitments. Changes in the ALLL and RULC, including changes in net charge-offs, are recorded in the provision for loan and lease losses and the provision for unfunded lending commitments in the income statement, respectively.
The ACL increased $2 million to $554 million at December 31, 2019, compared with $552 million at December 31, 2018. The slight increase in the ACL from the prior year period is primarily due to loan growth, partially offset by recent default and loss rates that are lower than long-term averages.
The provision for credit losses, which is the combination of both the provision for loan losses and the provision for unfunded lending commitments. The provision for loan losses is the amount of expense that, in our judgment, is required to maintain the ALLL at an adequate level based on the inherent risks in the loan portfolio. The provision for unfunded lending commitments, is used to maintain the reserve for unfunded lending commitments (“RULC”) at an adequate level based on the inherent risks associated with such commitments. In determining adequate levels of the ALLL and RULC, we perform periodic evaluations of our various loan portfolios, the levels of actual charge-


offs, credit trends, and external factors. See Note 6of the Notes to Consolidated Financial Statements and “Credit Risk Management” on page 56 for more information on how we determine the appropriate level for the ALLL and the RULC.
The provision for loan losses was $24$39 million in 2017,2019, compared with $93$(40) million in 2016. Credit quality was strong throughout 2017, with significant improvement in the oil and gas-related portfolio. Classified and nonaccrual loans in the total portfolio declined by $444 million and $127 million, respectively. Net charge-offs totaled $73 million in 2017, compared with $132 million in the prior year. These improvements in both credit quality and net charge-offs resulted in the lower provision.2018. The Company has roughly $8 billion of loan balances in the geographic area impacted by Hurricane Harvey. During the third quarter of 2017, we added a qualitative allowance of $34 million based on multiple top-down and bottom-up analyses to estimate potential losses. During the fourth quarter, subsequent analysis indicated our losses may not be as large as we first believed and we released roughly one-third of the associated allowance.
The provision for unfunded lending commitments was $(7) million in 2017, compared with $(10) million in 2016. The negative provision in 2016 was primarily due to improved credit quality assessments related to these obligations for credits outside the oil and gas-related portfolio along with declining oil and gas-related exposure. In 2017, improved credit quality, especially in the oil and gas-related portfolio, resulted in a further release of the RULC. From quarter to quarter, the provision for unfunded lending commitments may be subject to sizable fluctuations due to changes in the timing and volume of loan commitments, originations, fundings and changes in credit quality.
See Note 6of the Notes to Consolidated Financial Statements and “Credit Risk Management” on page 54 for more information on how we determine the appropriate level for the ALLL and the RULC.
On January 1, 2020, we adopted Accounting Standards Update (“ASU”) 2016-13, Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments, and its subsequent updates, often referred to as the Current Expected Credit Loss ("CECL") model. Upon adoption of the ASU, Zions recorded the full amount of the ACL for loans and leases of $526 million, compared with $554 million at December 31, 2019, resulting in an after-tax increase to retained earnings of $20 million. The impact of the adoption of CECL for our securities portfolio was less than $1 million. As a result of this new accounting standard, we expect our allowance for credit losses (“ACL”), whichwill become more volatile primarily because, under the new process, the allowance is the combination of both the ALLLsubject to economic forecasts that may change materially from period to period. For more information see "Critical Accounting Policies and the RULC, decreased by $56 million during 2017. Even with loan growth and the above-mentioned hurricane impact, strong credit quality and decreased net charge-offs in the total loan portfolio were responsible for much of this reduction. Further, declining oil and gas-related exposure and increasing non-oil and gas-related commercial and industrial and 1-4 family residential mortgage exposure improved the risk profile of the portfolio.Significant Estimates" on page 75.
Noninterest Income
Noninterest income represents revenues we earn for products and services that have no associated interest rate or yield. Growing noninterest income is a key strategic priority, and several strategic initiatives are underway to support this effort. Specifically, we are working to leverage our focus on commercial and small business customers to accelerate sales of capital markets products and wealth advisory services. Noninterest income accounted for 20% of net revenue during both 2019 and 2018. For 2017,2019, noninterest income was $544$562 million, compared with $516$552 million in 20162018 and $357$544 million in 2015. 2017. During 2019, we experienced strong growth in capital markets and
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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
foreign exchange fees driven by income from customer interest rate swap activity, loan syndication arrangement fees and foreign exchange fees, followed by growth in our wealth management and trust fees, while experiencing declines in commercial account fees.
We believe a subtotal of customer-related fees provides a better view of income over which we have more direct near-term control. It excludes items such as dividends, insurance-related income, mark-to-market adjustments on certain derivatives, and securities gains and losses.
Schedule 710 presents a comparison of the major components of noninterest income for the past three years.
Schedule 710
NONINTEREST INCOME
(Dollar amounts in millions)2019Amount changePercent change2018Amount changePercent change2017
Commercial account fees$121  $(1) (1)%$122  $(4) (3)%$126  
Card fees92  (2) (2) 94  (2) (2) 96  
Retail and business banking fees78  —  —  78  —  —  78  
Loan-related fees and income75    74    72  
Capital markets and foreign exchange fees78  20  34  58   18  49  
Wealth management and trust fees60    55   17  47  
Other customer-related fees21  (6) (22) 27   23  22  
Customer-related fees525  17   508  18   490  
Dividends and other income34  (9) (21) 43    40  
Securities gains, net  200   (13) (93) 14  
Total noninterest income$562  $10  %$552  $ %$544  
(Dollar amounts in millions)2017 Percent change 2016 Percent change 2015
          
Service charges and fees on deposit accounts$171
  % $171
 2 % $168
Other service charges, commissions and fees217
 4
 208
 11
 187
Wealth management and trust income42
 14
 37
 19
 31
Loan sales and servicing income25
 (29) 35
 13
 31
Capital markets and foreign exchange30
 36
 22
 (15) 26
Customer-related fees485
 3
 473
 7
 443
Dividends and other investment income40
 67
 24
 (20) 30
Securities gains (losses), net14
 100
 7
 106
 (127)
Other5
 (58) 12
 9
 11
Total noninterest income$544
 5
 $516
 45
 $357


Other service charges, commissions and fees, which are comprised of ATM fees, insurance commissions, bankcard merchant fees, debit and credit card interchange fees, cash management fees, and other miscellaneousCustomer-related fees increased by $9$17 million, compared with 2016. The increase relates mainlyor 3%, from 2018 to higher credit card interchange fees2019. Capital markets and foreign exchange and other fees. In 2016, other service charges, commissions and fees increased by $21$20 million compared with 2015. Theas a result of an $11 million increase wasin income from arranging interest rate hedges for our loan customers, a $4 million increase in loan syndication arrangement fees and a $3 million increase in foreign exchange fees. Wealth management and trust fees increased by $5 million, or 9%, as a result of increased corporate and personal trust revenue. Other customer-related fees decreased by $6 million, or 22%, primarily as a result of the same items mentioned previously, as well as fees generated on salessale of interest rate swaps to clients.
During the first quarter of 2016, we reclassified bankcard rewards expense from noninterest expense into noninterest income in order to offset the associated revenue from interchange fees to align with industry practice. This reclassification within other service charges, commission and fees lowered noninterest incomea minor business in the first quarter of 2016 and also decreased other noninterest expense by the same amount. For comparative purposes, we also reclassified prior period amounts. This reclassification had no impact on net income.
Wealth management and trust income increased by $5 million. The change was due to trust income, with improvement in both corporate and personal trust revenue due to platform and product simplifications. Wealth management and trust income increased $6 million between 2016 and 2015 for the same reasons.2019.
Dividends and other investment income increased $16decreased by $9 million primarily due to $14valuation adjustments on client-related interest rate swaps during 2019. As a result of the decline in interest rates during 2019 and increased client activity during the year, these client-related interest rate swaps significantly increased in value, resulting in the Bank having a larger exposure to the clients and a $9 million valuation adjustment in 2019, compared with a valuation adjustment of gains across many of$1 million in 2018. Dividends and other income also decreased during 2019 due to a $3 million gain on venture capital investments in 2018 that did not recur in 2019 and a $3 million decrease in dividends from the Federal Reserve resulting from a decline in our costFederal Reserve stock held and equity method investments. After consolidating seven banking charters into onea decline in December 2015, our stock ownership with the FHLB system has decreased significantly and dividends thereon have also fallen. Due to increased use of FHLB borrowing during 2017, the Company has purchased FHLB activity stock as needed; however, the dividends received have not equaled the level seen prior to 2016. The consolidation also caused an10-year Treasury, partially offset by a $3 million increase in the Company’s ownership of Federal Reserve stock. Dividends on FRB stock were relatively flat between 2017 and 2016.other miscellaneous income.
Loan sales and servicing income decreased $10 million in 2017, compared with 2016. During 2017, we ceased selling servicing-released mortgage loans to Freddie Mac, and therefore no longer received the associated servicing premiums for doing so, which decreased income by $11 million. In general, servicing income increased slightly in 2017. We also had particularly large valuation gains during 2016 on agricultural loan servicing assets accounted for at fair value, which did not repeat to the same extent in the current year. Loan sales and servicing income increased $4 million in 2016, compared with 2015, due mainly to these valuation gains on servicing assets.
Noninterest Expense
Noninterest expense increased by $64$63 million, or 4%, from 2018 to $1,649 million in 2017, compared with $1,585 million in 2016 and $1,581 million in 2015. Excluding the effect of a charitable foundation contribution of $12 million related to the Tax Cuts and Jobs Act,2019. Adjusted noninterest expense increased by $32 million, or 2%, over the same period. This 2% increase is within our previously communicated growth rate of low single-digit percentage range relative to the prior year. See “GAAP to Non-GAAP Reconciliations” on page 27 for more information regarding the calculation of adjusted noninterest expense.
We have developed a culture that continually seeks to streamline and make more simple and efficient processes required to operate the Bank. As part of our focus on noninterest expenses, in lineOctober 2019, we announced a 5% workforce reduction that occurred in the fourth quarter of 2019. We also announced the closure of multiple branches beginning in the fourth quarter of 2019, including 12 branches scheduled to close during 2020. As a result of this reduction in staffing, we recognized $22 million of severance and $15 million of other restructuring-related costs
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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
primarily related to centralizing our office space in Utah and the closure of certain branches across our footprint. In 2018 we successfully completed the merger of the holding company with, communicated forecasts.and into, the bank subsidiary. The Company remainsconsolidation of the holding company into the bank reduced duplicative regulatory examinations and certain regulatory requirements. We remain focused on expense control efforts, while we continuecontinuing to invest in our technology initiatives. Employee expenses were up, partially due to a combination of higher incentive compensation in 2017 as a result of improved Company performance and increased costs in the Company’s benefit plans. Expenses increased only $4 million between 2016 and 2015, with few major fluctuations in any category.
Schedule 811 presents a comparison of the major components of noninterest expense for the past three years.


Schedule 811
NONINTEREST EXPENSE
(Dollar amounts in millions)2019Amount changePercent change2018Amount changePercent change2017
Salaries and employee benefits$1,141  $71  %$1,070  $64  %$1,006  
Occupancy, net133    132    129  
Furniture, equipment and software, net135    126  (4) (3) 130  
Other real estate expense, net(3) (4) (400)   (200) (1) 
Credit-related expense20  (5) (20) 25  (4) (14) 29  
Professional and legal services47  (5) (10) 52  (5) (9) 57  
Advertising19  (7) (27) 26   18  22  
FDIC premiums25  (25) (50) 50  (3) (6) 53  
Other225  28  14  197  (34) (15) 231  
Total noninterest expense$1,742  $63   $1,679  $23   $1,656  
Adjusted noninterest expense$1,704  $32  %$1,672  $32  %$1,640  
(Dollar amounts in millions)2017 Percent change 2016 Percent change 2015
          
Salaries and employee benefits$1,011
 3 % $983
 1 % $973
Occupancy, net129
 3
 125
 4
 120
Furniture, equipment and software130
 4
 125
 2
 123
Other real estate expense(1) (50) (2) 100
 (1)
Credit-related expense29
 12
 26
 (10) 29
Provision for unfunded lending commitments(7) (30) (10) 67
 (6)
Professional and legal services54
 (2) 55
 10
 50
Advertising22
 
 22
 (12) 25
FDIC premiums53
 33
 40
 18
 34
Amortization of core deposit and other intangibles6
 (25) 8
 (11) 9
Other223
 5
 213
 (5) 225
Total noninterest expense$1,649
 4
 $1,585
 
 $1,581
Schedule 12
SALARIES AND EMPLOYEE BENEFITS
(Dollar amounts in millions)2019Amount/quantity changePercent change2018Amount/quantity changePercent change2017
Salaries and bonuses$953  $58  %$895  $46  %$849  
Employee benefits:
Employee health and insurance83    77   12  69  
Retirement49    45   18  38  
Payroll taxes and other56    53    50  
Total benefits188  13   175  18  11  157  
Total salaries and employee benefits$1,141  $71  %$1,070  $64  %$1,006  
Full-time equivalent employees at December 3110,188  (13) —  10,201  118   10,083  
Salaries and employee benefits increased by $28$71 million, or 3%7%, in 2017,2019, compared with 2016, as illustrated in Schedule 9. Base salaries were up in 2017, as2018. Salaries and employee salary expense rose roughly in line with inflation. Employee bonuses were up, partiallybenefits increased due to lower incentive compensation for management in 2016 and larger commission expense in the current year. Benefits expense increased $9a $33 million or 6%, in 2017, primarily due to higher costs in the Company’s self-funded medical plans and an increase in profit sharing expense. base salaries resulting from salary merit increases, a $22 million increase in severance expenses primarily from the previously announced reduction in staffing levels, a $6 million increase in employee medical costs, and a $4 million increase in retirement expenses. These increases were partially offset by a $7 million decrease in incentive compensation.
Salaries and employee benefits increased by $10$64 million, or 1%6%, in 2016,2018, compared with 20152017. Salaries and employee benefits increased in 2018 primarily due to several reasons. Our investmenta $29 million increase in major systems projects ledbase salaries resulting from salary increases related to the Tax Cuts and Jobs Act, merit increases and increased headcount, increasesand a $19 million increase in more highly compensated roles, we had higher costsincentive compensation, of which $7 million relates to the Tax Cuts and Jobs Act. The remaining $16 million increase was primarily a result of an $8 million increase in ourthe Bank’s medical plans and also higher-than-expected retirementa $7 million increase in the Bank’s contribution to the employee 401(k) plan, as a result of improved financial performance.
Furniture and equipment expense dueincreased $9 million, or 7%, in 2019, primarily from increased amortization expense related to several large lump-sum payouts duringcapitalized technology costs from the year.
Schedule 9
SALARIES AND EMPLOYEE BENEFITSsuccessful implementation of our commercial and
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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
(Dollar amounts in millions)2017 Percent change 2016 Percent change 2015
          
Salaries and bonuses$851
 2 % $832
  % $829
Employee benefits:         
Employee health and insurance69
 11
 62
 7
 58
Retirement41
 14
 36
 9
 33
Payroll taxes and other50
 (6) 53
 
 53
Total benefits160
 6
 151
 5
 144
Total salaries and employee benefits$1,011
 3
 $983
 1
 $973
Full-time equivalent employees at December 3110,083
 
 10,057
 (1) 10,200
Occupancyconsumer loan systems. Furniture and equipment expense was updecreased by $4 million in 2017. We placed a newly constructed office building into operation during the first quarter2018, primarily due to decreased software maintenance expense, partially offset by increased amortization of capitalized software.
Professional and depreciation expense was consequently higher than in 2016. Rental income was higher in the current year because we are leasing space to tenants, but other costs surrounding the building implementation offset this benefit. Expense increasedlegal services decreased $5 million or 4%from 2018 to $47 million in 20162019. The decrease was primarily a result of lower consulting fees related to our simplification and technology initiatives. The $5 million decrease in 2018 from 2017 was for the same reason.
Advertising expense decreased by $7 million to $19 million for 2019. This decrease was mainly due to lower sponsorships. Advertising expense in 2018 was $4 million higher compared with 2015. The2017, primarily due to increased media expense.
FDIC premiums were $25 million in 2019, compared with $50 million in 2018. This decrease was primarily due to the elimination of the FDIC surcharge for large banks because the required Deposit Insurance Fund reserve ratio had been met and the Bank issuing unsecured debt which results in lower FDIC premiums.
Other noninterest expense increased $28 million to $225 million in 2019, compared with $197 million in 2018. This increase was due to a combination of small items including higher rent expense, lease depreciation, and building security.
During 2017, we successfully implemented the first release of the TCS BαNCS® core servicing system. Furniture and equipment expense increased $5$13 million impairment related to centralizing our office space in 2017 mainly due to amortization of capitalized software. Expense was relatively flat between 2016 and 2015.


FDIC premiums were $53 million, $40 million, and $34 million, in 2017, 2016, and 2015, respectively. Increases were due to higher deposit bases in each of the yearsUtah and the FDIC’s increase in deposit insurance assessments that occurred inclosure of certain branches across our footprint, and $10 million of customer reimbursements made by the third quarter of 2016. These increases were somewhat offset byBank to remedy a reduction in the Company’s overall rate resulting from the consolidation of the individual bank charters and the Bank’s lower risk profile.
self-identified operational issue. Other noninterest expense was $223decreased $34 million infrom 2017 compared with $213to 2018 as a result of a one-time $12 million in 2016 and $225 million in 2015. The increase in 2017 was mainly due to the one-time charitable contribution made at the end of 2017 and a decrease in employee and operational expenses resulting from the year. The main driver for lower expense in 2016, compared with 2015, was lower levels of legal related expense.Bank’s simplification and efficiencies initiatives.
In 2016,October 2018, we heldannounced the termination of the defined benefit pension plan subject to obtaining necessary regulatory approval. Completion of this termination is expected in 2020. Plan participant benefits will choose to receive an annuity or a lump-sum payment. The elimination of the plan is expected to result in a onetime charge of approximately $10 million to $15 million, likely toward the middle of 2020, in addition to the reclassification of an approximate $17 million loss out of AOCI into earnings. The current estimate of this expense is subject to change depending upon a number of factors including plan performance, participant elections between lump-sum distribution options and an annuity option, and market competitiveness in the annuity bid process.
Branch closing costs and other efficiency-related cost accelerations will be recognized in the next several quarters. Excluding the severance, branch closing, and other efficiency-related cost acceleration expenses, adjusted noninterest expense below $1.58 billion, and expected anfor 2019 experienced a 2% increase of between 2% and 3% in 2017. Excludingrelative to the impact of the previously discussed one-time charitable contribution of $12 million, the actual increase in adjusted noninterest expense was 3%, which was in line with our forecast. The expense items we exclude from noninterest expenseprior year. We expect 2020 expenses to arrive at adjusted noninterest expense arebe the same as, those excluded in arriving ator slightly reduced from, 2019 results, excluding the efficiency ratio (see “GAAP to Non-GAAP Reconciliations” on page 29 for more information regarding the calculation of the efficiency ratio).expected pension termination expense, severance and other restructuring expenses.
Income Taxes
Income tax expense was $237 million in 2019, $259 million in 2018, and $344 million in 2017, $236 million in 2016, and $142 million in 2015.2017. Our effective income tax rates including the effects of noncontrolling interests, were 22.5% in 2019, 22.7% in 2018, and 36.8% in 2017, 33.5% in 2016, and 31.5% in 2015.2017. The income tax expense rates for all tax years were reduced by nontaxable municipal interest income and nontaxable income from certain bank-owned life insurance. insurance ("BOLI"). The income tax rates for 2019 and 2018 were positively impacted by the decrease in the corporate federal income tax rate to 21% from 35% due to the Tax Cuts and Jobs Act, which was effective January 1, 2018. This rate benefit was partially reduced by the nondeductibility of FDIC premiums, certain executive compensation and other fringe benefits as enacted by the new tax law.
The tax rate infor 2017 was further impacted by a one-time $18 million benefit to tax expense related to the following items:
Reevaluationreevaluation of state tax positions, that resulted in a one-time $18 million benefit.
Excessan excess tax benefit of $9 million from the implementation of a new accounting guidance related to share-based compensation.
Estimatedcompensation, and a net DTA write-off of $47 million through income tax expense associated with the decrease in the federal income tax rate from the passage of new legislation.
Further, the tax rate in 2015 decreased significantly as a result of the Company’s investments in alternative energy and technology initiatives. The CompanyBank continued to invest in technology initiatives, low-income housing and increased investment in municipal securities during 20162019, 2018 and 2017, generating tax credits and nontaxable income that benefited the tax rate each year.
On December 22, 2017, H.R. 1, known as the Tax Cuts and Jobs Act (“the Act”), was signed into law. The Act makes significant changes to the U.S. Internal Revenue Code
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Table of 1986, including a decrease in the current corporate federal income tax rate to 21% from 35%, effective January 1, 2018. As stated above, the estimated provisional impact of the Act on the net DTA resulted in a non-cash charge of $47 million through income tax expense. The Company anticipates that additional adjustments to net DTA and income tax expense may be made in 2018 as deferred tax estimates are finalized for inclusion in the 2017 federal and state tax returns to be filed, consistent with the measurement period afforded by SEC Staff Accounting Bulletin No. 118 (“SAB 118”).Contents
ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
We had a net DTA balance of $93$37 million at December 31, 2017,2019 compared with $250$130 million at December 31, 2016.2018. The decrease in the net DTA resulted primarily from the reductiondecrease in the federal income tax rate from the Act,unrealized losses in OCI related to securities, an increase in deferred loan fees and accelerated tax deductions on certain technology initiatives and depreciable property the payment of deferred compensation, and a decrease in the allowance for loan losses. A decrease in deferred tax liabilities during 2017, which related primarily to the deferred gain on a prior period debt exchange, offset some of the overall net decrease.
2019. We did not record any additional valuation allowance for GAAP purposes as of December 31, 2017. See2019. Note 1820 of the Notes to Consolidated Financial Statements and “Critical Accounting Policies and Significant Estimates” on page 80 fordiscloses information about the Bank’s evaluation of its DTA, including any potential additional information.valuation allowances.


Preferred Stock Dividends and Redemption
In 2017 we incurred preferredPreferred stock dividends ofwere $34 million during both 2019 and 2018, which was a $6 million decrease from $40 million a decrease of $8 million from 2016. In 2016 we incurred preferredin 2017. Preferred stock dividends decreased beginning in 2018 as a result of $48 million, a decreasethe completion of $14 million from 2015. We completed a tender offer in the fourth quarter of 2015 to purchase $176 million ofon our Series I preferred stock. We also completed tender offers of $144 million of Series F and $118 million of Series I, J, and G in the second quarters of 2017, and 2016, respectively.preferred stock during 2017. Preferred dividends are expected to be $8continue at $34 million in the first and third quarters of 2018, and $10 million in the second and fourth quarters of 2018.for 2020. See further details in Note 1314 of the Notes to Consolidated Financial Statements.
BUSINESS SEGMENT RESULTS
Following the close of business on December 31, 2015, we completed the merger of our subsidiary banks with Zions First National Bank. Subsequently, Zions First National Bank changed its legal name to ZB, National Association. We continue to manage our operations and prepare management reports and other information with a primary focus on geographical area. Our banking operations are managed under our existingtheir own individual brand names, and business segments, including Zions Bank, Amegy Bank ("Amegy"), California Bank & Trust (“CB&T”), National Bank of Arizona (“NBAZ”), Nevada State Bank (“NSB”), Vectra Bank Colorado (“Vectra”), and The Commerce Bank of Washington.Washington (“TCBW”). Performance assessment and resource allocation are based upon this geographical structure.
As discussed in the “Executive Summary” on page 33, most Most of the lending and other decisions affecting customers are made at the local level. The accounting policies of the individual segments are the same as those of the Company.Bank. We allocate the cost of centrally provided services to the business segments based upon estimated or actual usage of those services. Due to the charter consolidation, we have moved toWe also use an internal Funds Transfer Pricing (“FTP”) allocation system to report results of operations for business segments. This process continues to beis continually refined.
The operating segment identified as “Other” includes the Parent, certain nonbank financial service subsidiaries, centralized back-office functions, and eliminations of transactions between segments. The Parent’s operations are significant to the Other segment. See Note 20 of the Notes to Consolidated Financial Statements contains for more information on the Other segment. The Company’s net interest income is substantially affected by the Parent’s interest expense on long-term debt. The Parent’s financial statements in Note 22 of the Notes to Consolidated Financial Statements providefor more information about the Parent’s activities. We have announced our intention to merge the parent company into ZB, N.A. The merger is not expected to have an impact to the results ofon the Other operating segment.segment, and more performance information including net interest income, noninterest income, and noninterest expense by segment..
During 2017,2019, our banking operations experienced improved financial performance.performance when compared with 2018. Common areas of financial performance experienced at various levels of the segments include:
increased• Increased loan balances across almost all geographies;
Continued strong or improvements in credit quality resulted in reductions of the ALLL;quality; and
growthGrowth in customer deposit balances across almost all segments.

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Schedule 13 shows selected financial information for our business segments. Ratios are calculated based on amounts in thousands.
Schedule 1013
SELECTED SEGMENT INFORMATION
(Dollar amounts in millions)Zions BankAmegyCB&T
201920182017201920182017201920182017
KEY FINANCIAL INFORMATION
Total average loans$13,109  $12,643  $12,481  $12,235  $11,358  $11,021  $10,763  $10,033  $9,539  
Total average deposits15,870  15,410  15,986  11,627  11,160  11,096  11,522  11,268  11,030  
Income before income taxes364  353  301  282  353  209  287  272  236  
CREDIT QUALITY
Provision for credit losses$18  $ $20  $ $(80) $20  $ $15  $(5) 
Net loan and lease charge-offs  35  19  (17) 40  10    
Ratio of net charge-offs to average loans and leases0.07 %0.01 %0.28 %0.16 %(0.15)%0.36 %0.09 %0.04 %0.01 %
Allowance for credit losses$144  $136  $130  $182  $189  $247  $75  $79  $69  
Ratio of allowance for loan losses to net loans and leases, at year-end1.10 %1.08 %1.04 %1.49 %1.66 %2.24 %0.70 %0.79 %0.72 %
Nonperforming lending-related assets$86  $68  $83  $60  $79  $236  $49  $48  $47  
Ratio of nonperforming lending-related assets to net loans and leases and other real estate owned0.65 %0.52 %0.67 %0.49 %0.69 %2.07 %0.45 %0.45 %0.47 %
Accruing loans past due 90 days or more$ $11  $10  $ $ $ $ $ $19  
Ratio of accruing loans past due 90 days or more to net loans and leases0.02 %0.09 %0.08 %0.02 %0.01 %0.06 %0.05 %0.09 %0.20 %
(Dollar amounts in millions)Zions Bank Amegy CB&T(Dollar amounts in millions)NBAZNSBVectraTCBW
201720162015 201720162015 201720162015201920182017201920182017201920182017201920182017
KEY FINANCIAL INFORMATIONKEY FINANCIAL INFORMATION     KEY FINANCIAL INFORMATION
Total average loans$12,481
$12,538
$12,118
 $11,021
$10,595
$10,148
 $9,539
$9,211
$8,556
Total average loans$4,774  $4,608  $4,267  $2,630  $2,394  $2,357  $3,109  $2,924  $2,644  $1,194  $1,118  $926  
Total average deposits15,986
15,991
15,688
 11,096
11,130
11,495
 11,030
10,827
10,063
Total average deposits5,002  4,931  4,762  4,512  4,286  4,254  2,853  2,761  2,756  1,094  1,092  1,107  
Income before income taxes346
371
275
 240
94
44
 257
220
150
Income before income taxes111  97  90  52  41  35  52  44  44  38  34  27  
CREDIT QUALITY     CREDIT QUALITY
Provision for loan losses$19
$(22)$(28) $25
$163
$91
 $(5)$(9)$(4)
Provision for credit lossesProvision for credit losses$ $ $(8) $(1) $ $(11) $ $ $ $(1) $ $ 
Net loan and lease charge-offs34
13
10
 41
123
22
 1
(1)10
Net loan and lease charge-offs—  —  (1) (3) (4) (3)  —   —  —  —  
Ratio of net charge-offs to average loans and leases0.27%0.11%0.09% 0.37%1.16%0.22% 0.01%(0.01)%0.12%Ratio of net charge-offs to average loans and leases— %— %(0.02)%(0.11)%(0.17)%(0.13)%0.06 %— %0.08 %— %— %— %
Allowance for loan losses$130
$145
$180
 $247
$263
$223
 $69
$74
$81
Allowance for credit lossesAllowance for credit losses$37  $35  $28  $16  $15  $11  $30  $29  $24  $ $11  $ 
Ratio of allowance for loan losses to net loans and leases, at year-end1.04%1.15%1.47% 2.17%2.49%2.20% 0.69%0.79 %0.92%Ratio of allowance for loan losses to net loans and leases, at year-end0.78 %0.76 %0.66 %0.61 %0.63 %0.47 %0.96 %0.99 %0.91 %0.75 %0.98 %0.97 %
Nonperforming lending-related assets$85
$105
$109
 $236
$360
$116
 $47
$42
$42
Nonperforming lending-related assets$14  $18  $17  $27  $18  $17  $11  $20  $10  $ $ $ 
Ratio of nonperforming lending-related assets to net loans and leases and other real estate owned0.68%0.83%0.89% 2.07%3.39%1.14% 0.47%0.45 %0.48%Ratio of nonperforming lending-related assets to net loans and leases and other real estate owned0.29 %0.39 %0.38 %1.00 %0.72 %0.72 %0.35 %0.66 %0.36 %0.33 %0.37 %0.58 %
Accruing loans past due 90 days or more$11
$10
$4
 $1
$7
$3
 $9
$19
$24
Accruing loans past due 90 days or more$—  $ $—  $—  $—  $—  $ $—  $—  $—  $—  $—  
Ratio of accruing loans past due 90 days or more to net loans and leases0.09%0.08%0.04% 0.01%0.06%0.02% 0.09%0.20 %0.27%Ratio of accruing loans past due 90 days or more to net loans and leases— %0.02 %— %— %— %— %0.03 %— %0.01 %— %— %— %
46

(Dollar amounts in millions)NBAZ NSB Vectra TCBW
201720162015 201720162015 201720162015 201720162015
KEY FINANCIAL INFORMATION            
Total average loans$4,267
$4,086
$3,811
 $2,357
$2,284
$2,344
 $2,644
$2,469
$2,400
 $926
$791
$707
Total average deposits4,762
4,576
4,311
 4,254
4,137
3,891
 2,756
2,720
2,792
 1,107
1,007
879
Income before income taxes106
89
47
 46
52
27
 49
54
19
 29
24
18
CREDIT QUALITY               
Provision for loan losses$(8)$(3)$8
 $(11)$(28)$(28) $1
$(8)$5
 $2
$
$(3)
Net loan and lease charge-offs(2)
10
 (3)(5)(17) 2

4
 


Ratio of net charge-offs to average loans and leases(0.04)%%0.26% (0.13)%(0.21)%(0.74)% 0.09%0.01%0.16% 0.02%0.02%(0.05)%
Allowance for loan losses$28
$35
$38
 $11
$19
$43
 $24
$25
$33
 $9
$7
$8
Ratio of allowance for loan losses to net loans and leases, at year-end0.63 %0.81%0.97% 0.48 %0.81 %1.87 % 0.87%0.99%1.34% 0.83%0.83%1.08 %
Nonperforming lending-related assets$17
$31
$47
 $17
$20
$19
 $10
$15
$23
 $6
$
$1
Ratio of nonperforming lending-related assets to net loans and leases and other real estate owned0.39 %0.73%1.20% 0.73 %0.84 %0.84 % 0.35%0.59%0.92% 0.56%0.02%0.18 %
Accruing loans past due 90 days or more$1
$
$
 $
$
$
 $
$
$1
 $
$
$
Ratio of accruing loans past due 90 days or more to net loans and leases0.02 %%%  % % % %0.01%0.04% %% %



ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
Zions Bank
Zions Bank is headquartered in Salt Lake City, Utah, and is primarily responsible for conducting operations in Utah, Idaho, and Wyoming. If it were a separately chartered bank, it would be the 2nd largest full-service commercial bank in Utah and the 4th largest in Idaho, as measured by domestic deposits in these states.
Within Zions Bank, the NRE group is a wholesale business that generally sources loans from other community banks across the country. Such loans are generally low loan-to-value owner-occupied loans, but also include non-owner-occupied CRE term loans.
Zions Bank’s income before income taxes decreasedincreased by $25$11 million, or 7%3%, during 2017 primarily as2019. Net interest income increased by $30 million, which was partially offset by a result of an$10 million increase in the provision for loan losses.credit losses and a $9 million increase in noninterest expense. The loan portfolio decreasedincreased by $92$178 million during 2017,2019, which consisted of increases of $72 million and $115 million in commercial and CRE loans, respectively, and a decrease of $284$9 million in commercial loans and increases of $111 million and $81 million in CRE and consumer loans, respectively. Within commercial lending, commercial owner-occupied loans decreased by $128 million, which was mainly the result of a reduction in the NRE loan portfolio.loans. The ratio of allowance for loan losses to net loans and leases decreasedincreased slightly to 1.04%1.10% at December 31, 20172019 from 1.15%1.08% at December 31, 2016.2018. Nonperforming lending-related assets declined 19%increased $18 million, or 26%, from the prior year due primarilyyear. Deposits increased by 7% from 2018 to decreases in nonaccrual loans in the commercial and industrial portfolio. Deposits decreased 4% from 2016 to 2017.2019.
Amegy Bank
Amegy Bank is headquartered in Houston, Texas. If it were a separately chartered bank, it would be the 8th largest full-service commercial bank in Texas as measured by domestic deposits in the state.
Amegy’s income before income taxes increaseddecreased by $146$71 million, or 155%20%, during 2017.2019. The increasedecrease in income before income taxes is mainly due to a $138$89 million decreaseincrease in the provision for loan losses. Amegy has been able to achieve loan portfolio growth, resulting in an $835 million increase from the prior year. During 2017, CRE loans decreasedcredit losses, partially offset by $64increases of $6 million and commercial$8 million in net interest income and consumer loans increased by $395 million, and $504 million,noninterest income, respectively. The credit quality of Amegy’s loan portfolio improved during 2017,2018, mainly due to improvements in the oil and gas-related portfolio; theportfolio, which led to $80 million negative provision for credit losses in 2018. Credit quality remained strong in 2019. The ratio of the ALLL to net loans and leases decreased to 2.17%1.49% at December 31, 20172019 from 2.49%1.66% a year earlier. During 2017,2019, nonperforming lending-related assets decreased $124$19 million, or 34%24%. Amegy has been able to achieve strong loan portfolio growth, resulting in a $770 million increase from the prior year. During 2019, commercial, consumer, and CRE loans increased by $474 million, $235 million and $61 million, respectively. Deposits decreasedincreased by 8%2% from 20162018 to 2017.2019.
California Bank & Trust
California Bank & Trust is headquartered in San Diego, California. If it were a separately chartered bank, it would be the 1516th largest full-service commercial bank in California as measured by domestic deposits. Its core business is built on relationship banking by providing commercial, real estate and consumer lending, depository services, international banking, cash management, and community development services.
CB&T’s income before income taxes increased by $37$15 million, or 17%6%, during 20172019 primarily from an increase in net interest income due to loan growth. CB&Ts loan portfolio increased by $581$310 million in 20172019 from the prior year. During 2017,2019, commercial, CRE loans decreased by $212 million and commercial and consumer loans increased by $710$156 million, $93 million and $83$61 million, respectively. The credit quality of CB&T’s loan portfolio continues to be strong, andas the ratio of the ALLL to net loans and leases declined to 0.69% at December 31, 2017 from 0.79% a year earlier.for 2019 was 0.70%. Deposits increased by 3%5% from 20162018 to 2017.2019.
National Bank of Arizona
National Bank of Arizona is headquartered in Phoenix, Arizona. If it were a separately chartered bank, it would be the 57th largest full-service commercial bank in Arizona as measured by domestic deposits in the state.
NBAZ’s income before income taxes increased by $17$14 million, or 19%14%, during 20172019 due to a $5 million improvement in the provision for loan losses, in addition to increased net interest income from loan growth and improved fee revenue. The loan portfolio increased during 20172019 by $144$117 million, driven bycomposed of increases in CRE and consumer loans of $110 million and $38 million, respectively, and a $206 million increasedecrease in commercial loans and a $51 million increase in consumer loans, partially offset by a decrease of $113 million in CRE loans.$31 million. The credit quality of NBAZ’s loan portfolio continues to improve, and theremained strong during 2019. The ratio of ALLL to net loans and leases was 0.78% at December 31, 2019. Deposits increased by 4% from 2018 to 2019.

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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
and leases declined to 0.63% at December 31, 2017 from 0.81% a year earlier. Deposits increased by 2% from 2016 to 2017.
Nevada State Bank
Nevada State Bank is headquartered in Las Vegas, Nevada. If it were a separately chartered bank, it would be the 45th largest full-service commercial bank in Nevada as measured by domestic deposits in the state. NSB focuses on serving small and mid-sized businesses as well as retail consumers, with an emphasis on relationship banking.
In 2017,2019, NSB’s income before incomein taxes decreasedincreased by $6$11 million, or 12%, primarily as a result of the change27% due to improvement in the provision fornet interest income from loan losses.growth. NSB’s loans increased by $12$205 million during 2017,2019, including an increaseincreases of $70$200 million in commercial loans and $23$32 million in CRE loans, while consumer loans partially offsetdecreased by a decrease of $81 million in CRE.$27 million. The credit quality of NSB’s loan portfolio remained strong, andstable during 2019. Nonperforming lending-related assets increased $9 million, or 50%, from the prior year. The ratio of the ALLL to net loans and leases was 0.48% and 0.81%decreased to 0.61% at December 31, 2017 and 2016, respectively. Nonperforming lending-related assets decreased 15%2019. Deposits increased by 11% from the prior year. Deposits decreased by 1% from 20162018 to 2017.2019.
Vectra Bank Colorado
Vectra Bank Colorado is headquartered in Denver, Colorado. If it were a separately a chartered bank, it would be the 1013th largest full-service commercial bank in Colorado as measured by domestic deposits in the state.
In 2017,2019, Vectra’s income before income taxes decreasedincreased by $5$8 million, or 9%18%. Small improvements in net interest income and noninterest income were partially offset by an increase in the provision for loan losses. During 2017,2019, total loans increased by $242$101 million, including $126$57 million in commercial loans, $68$26 million in consumerCRE loans, and $48$18 million in CREconsumer loans. The credit quality of Vectra’s loan portfolio was strong, and the ratio of ALLL to net loans and leases decreased to 0.87%was 0.96% at December 31, 20172019. Deposits increased by 8% from 0.99% a year earlier. Deposits decreased by 4% from 20162018 to 2017.2019.
The Commerce Bank of Washington
The Commerce Bank of Washington is headquartered in Seattle, Washington. It operates in Washington under The Commerce Bank of Washington name and in Portland, Oregon, under The Commerce Bank of Oregon name. Its business strategy focuses on serving the financial needs of commercial businesses, including professional services firms. TCBW has been successful in serving the greater Seattle/Puget Sound and Portland regions without requiring extensive investments in a traditional branch network. It has been innovative in effectively utilizing couriers, bank by mail, remote deposit image capture, and other technologies.
TCBW’s income before income taxes increased $5$4 million, or 21%12%, during 2017.2019. The loan portfolio increased by $164$134 million, including increases of $42$134 million in commercial loans $94and $7 million in consumer loans, offset by a decrease of $7 million in CRE loans and $28 million in consumer loans. Nonperforming lending-related assetsDeposits increased $6 million, and the ratio of ALLL to net loans and leases was at 0.83% in 2017 and 2016. Deposits decreased by 5% from 20162018 to 2017.2019.
BALANCE SHEET ANALYSIS
Interest-Earning Assets
Interest-earning assets are those assets that have interest rates or yields associated with them. One of our goals is to maintain a high level of interest-earning assets relative to total assets while keeping nonearning assets at a minimum. Interest-earning assets consist of money market investments, securities, loans, and leases.
Schedule 5,7,which we referenced in our discussion of net interest income, includes the average balances of our interest-earning assets, the amount of revenue generated by them, and their respective yields. Another goal is to maintain a higher-yielding mix of interest-earning assets, such as loans, relative to lower-yielding assets, while maintaining adequate levels of highly liquid assets. As a result of this goal we redeployed funds from lower-yielding money market investments, in addition to using wholesale borrowings, to purchase agency securities.

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Average interest-earning assets were $60.9$64.9 billion in 20172019, compared with $56.2$62.4 billion in the previous year. Average interest-earning assets as a percentage of total average assets were 93.5%93% and 94% in both 20172019 and 2016.2018, respectively.
Average loans were $43.5$48.3 billion in 20172019 and $42.1$45.4 billion in 2016.2018. Average loans as a percentage of total average assets were 66.8%69% in 20172019, compared with 70.0%68% in 2016.2018.
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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
Average money market investments, consisting of interest-bearing deposits and federal funds sold and security resell agreements, decreased by 58% to $1.5 billion in 2017 compared with $3.7 billion in 2016.1% from 2018. Average securities increaseddecreased by 53%2% from 2016.2018. Average total deposits increased by 3%4%; average total loans also increased by 3%6% in 20172019 when compared with 2016.2018.
AVERAGE OUTSTANDING LOANS AND DEPOSITS
(at December 31)
zions-20191231_g14.jpg
Investment Securities Portfolio
We invest in securities to actively manage liquidity and interest rate risk, in addition to generating revenue for the Company.Bank. Refer to the “Liquidity Risk Management” section on page 7269 for additional information on management of liquidity and funding and compliance with Basel III and LCR requirements.funding. The following schedule presents a profile of our investment securities portfolio. The amortized cost amounts represent the original cost of the investments, adjusted for related accumulated amortization or accretion of any yield adjustments, and for impairment losses, including credit-related impairment. The estimated fair value measurement levels and methodology are discussed in Note 3of the Notes to Consolidated Financial Statements.

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Schedule 1114
INVESTMENT SECURITIES PORTFOLIO
December 31, 2017 December 31, 2016December 31, 2019December 31, 2018
(In millions)Par Value 
Amortized
cost
 
Estimated
fair
value
 Par Value 
Amortized
cost
 
Estimated
fair
value
(In millions)Par ValueAmortized
cost
Estimated
fair
value
Par ValueAmortized
cost
Estimated
fair
value
Held-to-maturity           Held-to-maturity
Municipal securities$771
 $770
 $762
 $868
 $868
 $850
Municipal securities$592  $592  $597  $774  $774  $767  
Available-for-sale           Available-for-sale
U.S. Treasury securities25
 25
 25
 
 
 
U.S. Treasury securities25  25  25  40  40  40  
U.S. Government agencies and corporations:           U.S. Government agencies and corporations:
Agency securities1,830
 1,830
 1,818
 1,847
 1,846
 1,839
Agency securities1,301  1,301  1,302  1,395  1,394  1,375  
Agency guaranteed mortgage-backed securities9,605
 9,798
 9,666
 7,745
 7,986
 7,883
Agency guaranteed mortgage-backed securities9,406  9,518  9,559  10,093  10,236  10,014  
Small Business Administration loan-backed securities2,007
 2,227
 2,222
 2,066
 2,298
 2,288
Small Business Administration loan-backed securities1,414  1,535  1,495  1,871  2,042  1,996  
Municipal securities1,193
 1,336
 1,334
 1,048
 1,182
 1,154
Municipal securities1,175  1,282  1,319  1,178  1,303  1,291  
Other25
 25
 24
 25
 25
 24
Other25  25  25  25  25  21  
Total available-for-sale debt securities14,685
 15,241
 15,089
 12,731
 13,337
 13,188
Total available-for-sale debt securities13,346  13,686  13,725  14,602  15,040  14,737  
Money market mutual funds and other72
 72
 72
 184
 184
 184
Money market mutual funds and other—  —  —  —  —  —  
Total available-for-sale14,757
 15,313
 15,161
 12,915
 13,521
 13,372
Total available-for-sale13,346  13,686  13,725  14,602  15,040  14,737  
Total investment securities$15,528
 $16,083
 $15,923
 $13,783
 $14,389
 $14,222
Total investment securities$13,938  $14,278  $14,322  $15,376  $15,814  $15,504  
The amortized cost of investment securities at December 31, 2017 increased2019 decreased by 12%10% from the balance at December 31, 2016, primarily due to purchases of agency guaranteed mortgage-backed securities.2018.
The investment securities portfolio includes $555$340 million of net premium as of December 31, 2019, down from $438 million in the prior year, that is distributed across various asset classes as illustrated in the preceding schedule. The purchasePremium amortization for 2019 was approximately $120 million, compared with approximately $129 million in 2018. For more information on the accounting for premiums and discounts for both held-to-maturity (“HTM”) and AFSinvestment securities are amortized and accreted at a constant effective yieldsee Note 5 to the contractual maturity date and no assumption is made concerning prepayments. As principal prepayments occur, the portion of the unamortized premium or discount associated with the principal reduction is recognized as interest income in the period the principal is reduced. Premium amortization for 2017 was approximately $125 million, compared with approximately $99 million in 2016, reducing the yield on securities in those years by 92 and 109 bps, respectively. The increased premium amortization is due to both an increased amount of agency guaranteed mortgage-backed securities and SBA loan-backed securities and changes in actual prepayment rates of underlying loans.Consolidated Financial Statements.
As of December 31, 2017,2019, under the GAAP fair value accounting hierarchy, 1%0.2% of the $15.2$13.7 billion fair value of the AFS securities portfolio was valued at Level 1, 99%99.8% was valued at Level 2, and there were no Level 3 AFS securities. At December 31, 2016, 1%2018, 0.3% of the $13.4$14.7 billion fair value of AFS securities portfolio was valued at Level 1, 99%99.7% was valued at Level 2, and there were no Level 3 AFS securities. See Note 3 of the Notes to Consolidated Financial Statements for further discussion of fair value accounting.
Schedule 1215 presents the maturities of the different types of investments that we owned, using contractual maturities, and the corresponding average yields as of December 31, 20172019 based on amortized cost. Expected maturities, rather than contractual maturities, are shown for SBA securities, agency guaranteed mortgage-backed securities, and certain agency and municipal securities. See “Liquidity Risk Management” on page 7269 and Notes 1, 5 and 7 of the Notes to Consolidated Financial Statements for additional information about our investment securities and their management.

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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES

Schedule 1215
MATURITIES AND AVERAGE YIELDS ON SECURITIES
At December 31, 20172019
Total securitiesWithin one year After one but within five yearsAfter five but within ten yearsAfter ten years
(Dollar amounts in millions)Amount
Yield1
Amount
Yield1
Amount
Yield1
Amount
Yield1
Amount
Yield1
Held-to-maturity
Municipal securities$592  3.7 %$101  3.2 %$215  3.3 %$156  4.3 %$120  4.2 %
Available-for-sale
U.S. Treasury securities25  1.5  25  1.5  —  —  —  —  —  —  
U.S. Government agencies and corporations:
Agency securities1,301  2.6  21  2.8  97  2.4  442  2.6  741  2.6  
Agency guaranteed mortgage-backed securities9,518  2.4  —  —  66  1.6  1,235  1.8  8,217  2.4  
Small Business Administration loan-backed securities1,535  3.0  —  —  21  2.4  178  2.7  1,336  3.0  
Municipal securities1,282  2.6  76  2.0  534  2.2  569  2.8  103  3.4  
Other25  6.7  —  —  —  —  10  9.5  15  4.8  
Total available-for-sale13,686  2.5  122  2.0  718  2.2  2,434  2.3  10,412  2.5  
Total investment securities$14,278  2.5 %$223  2.6 %$933  2.4 %$2,590  2.4 %$10,532  2.6 %
 Total securities Within one year  After one but within five years After five but within ten years After ten years
(Dollar amounts in millions)Amount 
Yield1
 Amount 
Yield1
 Amount 
Yield1
 Amount 
Yield1
 Amount 
Yield1
Held-to-maturity                   
Municipal securities$770
 4.0% $180
 3.4% $372
 3.9% $159
��4.8% $59
 4.7%
Available-for-sale                   
U.S. Treasury securities25
 1.3
 25
 1.3
 
   
   
  
U.S. Government agencies and corporations:                   
Agency securities1,830
 2.1
 550
 1.3
 287
 2.5
 777
 2.3
 216
 2.5
Agency guaranteed mortgage-backed securities9,798
 2.0
 1,509
 2.0
 3,997
 2.0
 2,566
 2.0
 1,726
 2.1
Small Business Administration loan-backed securities2,227
 3.0
 230
 2.9
 699
 3.0
 588
 2.9
 710
 3.1
Municipal securities1,336
 3.0
 185
 3.0
 744
 2.9
 400
 3.3
 7
 3.4
Other25
 6.2
 
   
   
   25
 6.2
Total available-for-sale debt securities15,241
 2.3
 2,499
 2.0
 5,727
 2.3
 4,331
 2.3
 2,684
 2.4
Money market mutual funds and other72
 1.2
 72
 1.2
 
   
   
  
Total available-for-sale15,313
 2.3
 2,571
 2.0
 5,727
 2.3
 4,331
 2.3
 2,684
 2.4
Total investment securities$16,083
 2.3
 $2,751
 2.1
 $6,099
 2.4
 $4,490
 2.4
 $2,743
 2.5
1 Taxable-equivalent rates used where applicable.
Exposure to State and Local Governments
We provide multiple products and services to state and local governments (referred to collectively as “municipalities”), including deposit services, loans, and investment banking services, and we invest in securities issued by the municipalities.
Schedule 1316 summarizes our exposure to state and local municipalities:
Schedule 1316
MUNICIPALITIES
December 31,December 31,
(In millions)2017 2016(In millions)20192018
   
Loans and leases$1,271
 $778
Loans and leases$2,393  $1,661  
Held-to-maturity – municipal securities770
 868
Held-to-maturity – municipal securities592  774  
Available-for-sale – municipal securities1,334
 1,154
Available-for-sale – municipal securities1,319  1,291  
Trading account – municipal securities146
 112
Trading account – municipal securities107  89  
Unfunded lending commitments152
 182
Unfunded lending commitments200  144  
Total direct exposure to municipalities$3,673
 $3,094
Total direct exposure to municipalities$4,611  $3,959  
At December 31, 2017, one2019, no municipal loan with a balance of $1 million wasloans were on nonaccrual. A significant amount of the municipal loan and lease portfolio is secured by real estate and equipment, and 79%or is a general obligation of the outstanding credits were originated by CB&T, Zions Bank, and Vectra.a municipal entity. See Note 6 of the Notes to Consolidated Financial Statements for additional information about the credit quality of these municipal loans.

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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
Growth in municipal exposure came primarily from increases in loans and leases and the municipal AFS securities portfolio. AFS securities generally consist of securities with investment-grade ratings from one or more major credit rating agencies.
Foreign Exposure and Operations
Our credit exposure to foreign sovereign risks and total foreign credit exposure is not significant. We also do not have significant foreign exposure to derivative counterparties. We had no foreign deposits at December 31, 20172019 and December 31, 2016.2018.
Loans Held for Sale
Loans held for sale consisting primarily ofwere $129 million at December 31, 2019, compared with $93 million at December 31, 2018, and are generally commercial loans and consumer mortgage and small business loans to be sold in the secondary market, were $44 million atmarket. As of December 31, 2017, compared with $172 million at December 31, 2016. These2019, the majority of the loans held for sale consisted primarily of consumer loans are primarily fixed-rate mortgages that are originated with the intent to be sold to third parties.mortgage loans.
Loan Portfolio
As of December 31, 2017,2019 and December 31, 2018, net loans and leases accounted for 70% and 68% of total assets, compared with 67% at the end of 2016.respectively. Schedule 1417 presents our loans outstanding by type of loan as of the five most recent year-ends. The schedule also includes a maturity profile for the loans that were outstanding as of December 31, 2017.2019. However, while this schedule reflects the contractual maturity and repricing characteristics of these loans, in a small number of cases, we have hedged the repricing characteristics of our variable-rate loans as more fully described in “Interest Rate Risk” on page 68.64.

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Schedule 1417
LOAN AND LEASE PORTFOLIO BY TYPE AND MATURITY
December 31, 2019December 31,
(In millions)One year or lessOne year through five yearsOver five yearsTotal2018201720162015
Commercial:
Commercial and industrial$3,280  $8,967  $2,513  $14,760  $14,513  $14,003  $13,452  $13,211  
Leasing24  202  108  334  327  364  423  442  
Owner-occupied335  1,378  6,188  7,901  7,661  7,288  6,962  7,150  
Municipal118  337  1,938  2,393  1,661  1,271  778  676  
Total commercial3,757  10,884  10,747  25,388  24,162  22,926  21,615  21,479  
Commercial real estate:
Construction and land development753  1,327  131  2,211  2,186  2,021  2,019  1,842  
Term1,568  4,062  3,714  9,344  8,939  9,103  9,322  8,514  
Total commercial real estate2,321  5,389  3,845  11,555  11,125  11,124  11,341  10,356  
Consumer:
Home equity credit line40  86  2,791  2,917  2,937  2,777  2,645  2,417  
1-4 family residential 69  7,496  7,568  7,176  6,662  5,891  5,382  
Construction and other consumer real estate—   620  624  643  597  486  385  
Bankcard and other revolving plans281  85  136  502  491  509  481  444  
Other 109  41  155  180  185  190  187  
Total consumer329  353  11,084  11,766  11,427  10,730  9,693  8,815  
Total net loans and leases$6,407  $16,626  $25,676  $48,709  $46,714  $44,780  $42,649  $40,650  
Loans maturing:
With fixed interest rates$692  $3,507  $6,279  $10,478  
With variable interest rates5,715  13,119  19,397  38,231  
Total$6,407  $16,626  $25,676  $48,709  
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 December 31, 2017 December 31,
(In millions)One year or less One year through five years Over five years Total 2016 2015 2014 2013
Commercial:               
Commercial and industrial$8,064
 $4,375
 $1,564
 $14,003
 $13,452
 $13,211
 $13,163
 $12,459
Leasing26
 262
 76
 364
 423
 442
 409
 388
Owner-occupied463
 1,138
 5,687
 7,288
 6,962
 7,150
 7,351
 7,568
Municipal100
 191
 980
 1,271
 778
 676
 521
 449
Total commercial8,653
 5,966
 8,307
 22,926
 21,615
 21,479
 21,444
 20,864
Commercial real estate:               
Construction and land development931
 1,016
 74
 2,021
 2,019
 1,842
 1,986
 2,193
Term1,779
 3,775
 3,549
 9,103
 9,322
 8,514
 8,127
 8,203
Total commercial real estate2,710
 4,791
 3,623
 11,124
 11,341
 10,356
 10,113
 10,396
Consumer:               
Home equity credit line29
 91
 2,657
 2,777
 2,645
 2,417
 2,321
 2,147
1-4 family residential12
 97
 6,553
 6,662
 5,891
 5,382
 5,201
 4,742
Construction and other consumer real estate287
 36
 274
 597
 486
 385
 371
 325
Bankcard and other revolving plans293
 58
 158
 509
 481
 444
 401
 361
Other12
 138
 35
 185
 190
 187
 213
 208
Total consumer633
 420
 9,677
 10,730
 9,693
 8,815
 8,507
 7,783
Total net loans$11,996
 $11,177
 $21,607
 $44,780
 $42,649
 $40,650
 $40,064
 $39,043
Loans maturing:               
With fixed interest rates$1,341
 $3,704
 $4,680
 $9,725
        
With variable interest rates10,655
 7,473
 16,927
 35,055
        
Total$11,996
 $11,177
 $21,607
 $44,780
        

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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
As of December 31, 2017,2019, net loans and leases were $45$49 billion, reflecting a 5%4% increase from the prior year. The increase is primarily attributable to new loan originations and loan purchases.originations.
Loan portfolio growth during 20172019 was widespread across loan products and geographies with particular strength inconsumer 1-4 family residential, commercial and industrial (non-oil and gas), municipal, and commercial owner-occupied loans. The growth in the loan portfolio was primarily at Amegy, CB&T, and Vectra.
geographies. Of the significant increases within the portfolio, municipal loans increased $732 million, term CRE increased $405 million, consumer 1-4 family residential loans increased $771$392 million, due largely to an increase in loan production and loan purchases, and commercial and industrial loans increased $551$247 million, and commercial owner-occupied loans increased $240 million. The impact of these increasesgrowth in the overall loan portfolio was partially offset by a decrease of $219 million in our CRE term portfolio.
Commercial owner-occupied loans also increased $326 million during 2017primarily at Amegy and $188 million during 2016. Although we experienced continued runoff and attrition of the NRE portfolio at Zions Bank, these declines are not expected to continue at the same pace in 2018. The NRE business is a wholesale business that depends upon loan referrals from other community banking institutions. Due to generally soft loan demand nationally, many community banking institutions are retaining, rather than selling, their loan production.CB&T.
We expect moderate total loan and lease growth during 2018,2020, primarily in municipal, consumer 1-4 family residential, municipal, commercial and industrial, (non-oil and gas), commercial owner-occupied (non-NRE), and CRE term loans.owner-occupied. We expect stable to slightly increasingmoderate growth in oil and gas and CRE loans, partially offset by a moderate attritiondecline in the NRENational Real Estate (“NRE”) loan portfolio.

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Loans serviced for the benefit of others increaseddecreased to $3.7$3.5 billion during 20172019 from $3.5$3.9 billion in 2016.2018.
Other Noninterest-Bearing Investments
During 2017,2019, the Company increasedBank decreased its short-term borrowings with the FHLB by $3.1$3.5 billion. This increasedecrease required a furtherreduced investment in FHLB activity stock, which consequently increaseddecreased by $124$140 million during the year. Aside from this increase,decrease, other noninterest-bearing investments remained relatively stable as set forth in the following schedule. Schedule 15 sets forth18 summarizes our other noninterest-bearing investments.
Schedule 1518
OTHER NONINTEREST-BEARING INVESTMENTS
December 31,December 31,
(In millions)2017 2016(In millions)20192018
   
Bank-owned life insurance$506
 $497
Bank-owned life insurance$525  $516  
Federal Home Loan Bank stock154
 30
Federal Home Loan Bank stock50  190  
Federal Reserve stock184
 181
Federal Reserve stock107  139  
Farmer Mac stock43
 34
Farmer Mac stock47  54  
SBIC investments127
 124
SBIC investments154  132  
Non-SBIC investment funds12
 15
Non-SBIC investment funds12  12  
Other3
 3
Other  
Total other noninterest-bearing investments$1,029
 $884
Total other noninterest-bearing investments$898  $1,046  
Premises, Equipment and Software, Net
Net premises, equipment and software increased $74$18 million, or 7%1.6%, fromduring 2019. In 2017, we implemented the prior year primarily duefirst phase of our core lending and deposit systems replacement project, which replaced the Bank’s primary consumer lending systems. During the first quarter of 2019, we successfully implemented the second phase of this project by replacing the Bank's primary commercial and CRE lending systems. With this milestone reached, we now have substantially all our in-scope retail, commercial and CRE loans on a new modern core platform. We are well underway with the project to convert our deposit servicing system by 2022. The total core replacement project spend amount is comprised of both capitalized amounts and amounts that are expensed as incurred. The useful life for most of the capitalized costs associated withis 10 years. The following schedule shows the developmenttotal amount of a new corporate facilitycosts capitalized, less accumulated depreciation, by phase for Amegy Bank in Texas, major software purchases, and the capitalizationcore replacement project.
Schedule 19
CAPITALIZED COSTS FOR THE CORE REPLACEMENT PROJECT
December 31, 2019
(In millions)Phase 1Phase 2Phase 3Total
Total amount capitalized, less accumulated depreciation$54  $83  $61  $198  
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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
Deposits
Deposits, both interest-bearing and noninterest-bearing, are a primary source of funding for the Company.Bank. Average total deposits increased by 3%4% during 2017,2019, compared with 2016,2018, with average interest-bearing deposits increasing by 1%8% and average noninterest-bearing deposits increasingdecreasing by 6%2.0%. The average interest rate paid for interest-bearing deposits was 334 bps higher in 20172019 compared with 2016.
Deposits at December 31, 2017, excluding time deposits of $100,000 and over and brokered deposits, decreased by 2%, or $1.0 billion, from December 31, 2016. The decrease was mainly due to a decrease in interest-bearing domestic savings and money market deposits.2018.
Demand, savings, and money market deposits were 94%91.7% and 95%92.0% of total deposits at December 31, 2017,2019, and December 31, 2016,2018, respectively. At December 31, 20172019 and December 31, 2016,2018, total deposits included $1.6$2.3 billion and $0.9$2.2 billion, respectively, of brokered deposits.
See Notes 1112 and 1213of the Notes to Consolidated Financial Statements and “Liquidity Risk Management” on page 7269 for additional information on funding and borrowed funds.

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RISK ELEMENTS
Since risk is inherent in substantially all of the Company’sBank’s operations, management of risk is an integral part of its operations and is also a key determinant of its overall performance. The Board of Directors has appointed a Risk Oversight Committee (“ROC”) that consists of appointed Board members who oversee the Company’sBank’s risk management processes. The ROC meets on a regular basis to monitor and review Enterprise Risk Management (“ERM”) policies and activities. As required by its charter, the ROC performs oversight for various ERM activities and approves ERM policies and activities as detailed in the ROC charter.
Management applies various strategies to reduce the risks to which the Company’sBank’s operations are exposed, including credit, interest rate and market, liquidity, and operational risks. These risks are overseen by the various management committees of which the Enterprise Risk Management Committee (“ERMC”) is the focal point for the monitoring and review of enterprise risk.
Credit Risk Management
Credit risk is the possibility of loss from the failure of a borrower, guarantor, or another obligor to fully perform under the terms of a credit-related contract. Credit risk arises primarily from our lending activities, as well as from off-balance sheet credit instruments.
The Board of Directors, through the ROC, is responsible for approving the overall credit policies relating to the management of the credit risk of the Company.Bank. In addition, the ROC oversees and monitors adherence to key credit policies and the credit risk appetite as defined in the Risk Appetite Framework. Additionally, the Board has established the Credit AdministrationRisk Committee, chaired by the Chief Credit Officer and consisting of members of management, to which it has delegated the responsibility for managing credit risk for the CompanyBank and approving changes to the Company’sBank’s credit policies.
Centralized oversight of credit risk is provided through credit policies, credit risk management, and credit examination functions. Our credit policies place emphasis on strong underwriting standards and early detection of potential problem credits in order to develop and implement action plans on a timely basis to mitigate any potential losses. These formal credit policies and procedures provide the CompanyBank with a framework for consistent underwriting and a basis for sound credit decisions at the local banking affiliate level. Credit examinations related to the ACL are reported to both the Audit Committee and the ROC.
Our credit risk management function is separate from the lending function and strengthens control over, and the independent evaluation of, credit activities. In addition, we have a well-defined set of standards for evaluating our loan portfolio, and we utilize a comprehensive loan risk-grading system to determine the risk potential in the portfolio. Furthermore, the internal credit examination department, which is independent of the lending function, periodically conducts examinations of the Company’sBank’s lending departments and credit activities. These examinations are designed to review credit quality, adequacy of documentation, appropriate loan risk-grading administration, and compliance with credit policies. New, expanded, or modified products and services, as well as new lines of business, are approved by the New Initiative Review Committee.
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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
Our credit risk management strategy includes diversification of our loan portfolio. We attempt to avoid the risk of an undue concentration of credits in a particular industry or collateral type or with an individual customer or counterparty. Generally, our loan portfolio is well diversified; however, due to the nature of our geographical footprint, there are certain significant concentrations primarily in CRE and oil and gas-related lending. We have adopted and adhere to concentration limits on leveraged lending, municipal lending, oil and gas-related lending, and various types of CRE lending, particularly construction and land development lending. All of these limits are continually monitored and revised as necessary. The recent growth in construction and land development loan commitments is within the established concentration limits. Our business activity is primarily with customers located within the geographical footprint of our banking affiliates.
As we continue to monitor our concentration risk, the composition of our loan portfolio has slightly changed. Oil and gas-relatedremained relatively unchanged from the prior year. Total commercial loans represented 4%remained at 52% of the total loan portfolio at December 31, 2017, compared with 5%2019 and 2018. CRE loans remained at December 31, 2016. Total commercial loans were 51%24% of the total portfolio compared with 50% at December 31,

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2016. CRE loans declined to 25% of the total portfolio, compared with 27% at December 31, 2016.2019 and 2018. Consumer loans grew to representalso remained at 24% of the total loan portfolio at December 31, 2017, compared with 23% at December 31, 2016.2019 and 2018.
Schedule 1620
LOAN AND LEASE PORTFOLIO DIVERSIFICATION
December 31, 2017 December 31, 2016 December 31, 2019December 31, 2018
(Dollar amounts in millions)Amount 
% of
total loans
 Amount 
% of
total loans
(Dollar amounts in millions)Amount% of
total loans
Amount% of
total loans
Commercial:       Commercial:
Commercial and industrial$14,003
 31.3% $13,452
 31.5%Commercial and industrial$14,760  30.3 %$14,513  31.0 %
Leasing364
 0.8
 423
 1.0
Leasing334  0.7  327  0.7  
Owner-occupied7,288
 16.3
 6,962
 16.3
Owner-occupied7,901  16.2  7,661  16.4  
Municipal1,271
 2.8
 778
 1.8
Municipal2,393  4.9  1,661  3.6  
Total commercial22,926
 51.2
 21,615
 50.6
Total commercial25,388  52.1  24,162  51.7  
Commercial real estate:  
    Commercial real estate:
Construction and land development2,021
 4.5
 2,019
 4.7
Construction and land development2,211  4.5  2,186  4.7  
Term9,103
 20.3
 9,322
 21.9
Term9,344  19.2  8,939  19.1  
Total commercial real estate11,124
 24.8
 11,341
 26.6
Total commercial real estate11,555  23.7  11,125  23.8  
Consumer:       Consumer:
Home equity credit line2,777
 6.2
 2,645
 6.2
Home equity credit line2,917  6.0  2,937  6.3  
1-4 family residential6,662
 15.0
 5,891
 13.8
1-4 family residential7,568  15.6  7,176  15.4  
Construction and other consumer real estate597
 1.3
 486
 1.2
Construction and other consumer real estate624  1.3  643  1.4  
Bankcard and other revolving plans509
 1.1
 481
 1.1
Bankcard and other revolving plans502  1.0  491  1.0  
Other185
 0.4
 190
 0.5
Other155  0.3  180  0.4  
Total consumer10,730
 24.0
 9,693
 22.8
Total consumer11,766  24.2  11,427  24.5  
Total net loans$44,780
 100.0% $42,649
 100.0%
Total net loans and leasesTotal net loans and leases$48,709  100.0 %$46,714  100.0 %
Government Agency Guaranteed Loans
We participate in various guaranteed lending programs sponsored by U.S. government agencies, such as the SBA, Federal Housing Authority, Veterans’ Administration, Export-Import Bank of the U.S., and the U.S. Department of Agriculture. As of December 31, 2017,2019, the principal balance of these loans was $537$580 million, and the guaranteed portion of these loans was $406$433 million. Most of these loans were guaranteed by the SBA.
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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
The following schedule presents the composition of U.S. government agency guaranteed loans.
Schedule 1721
U.S. GOVERNMENT AGENCY GUARANTEES
(Dollar amounts in millions)December 31, 2017 
Percent
guaranteed
 December 31, 2016 
Percent
guaranteed
        
Commercial$507
 75% $519
 75%
Commercial real estate14
 75
 18
 75
Consumer16
 92
 17
 92
Total loans$537
 76
 $554
 76

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(Dollar amounts in millions)December 31,
2019
Percent
guaranteed
December 31,
2018
Percent
guaranteed
Commercial$555  74 %$537  75 %
Commercial real estate18  78  14  79  
Consumer 100   100  
Total loans$580  75 %$560  76 %
Commercial Lending
The following schedule provides selected information regarding lending concentrations to certain industries in our commercial lending portfolio.
Schedule 1822
COMMERCIAL LENDING BY INDUSTRY GROUP
December 31, 2019December 31, 2018
(Dollar amounts in millions)AmountPercentAmountPercent
Retail trade$2,606  10.3 %$2,434  10.0 %
Real estate, rental and leasing2,401  9.5  2,636  10.9  
Manufacturing2,160  8.5  2,145  8.9  
Healthcare and social assistance1,916  7.5  1,695  7.0  
Finance and insurance1,837  7.2  2,036  8.4  
Wholesale trade1,639  6.4  1,527  6.3  
Transportation and warehousing1,454  5.7  1,328  5.5  
Mining, quarrying, and oil and gas extraction1,429  5.6  1,206  5.0  
Utilities 1
1,411  5.6  1,163  4.8  
Public administration1,189  4.7  806  3.4  
Construction1,158  4.6  1,194  4.9  
Hospitality and food services983  3.9  1,005  4.2  
Professional, scientific, and technical services950  3.7  859  3.6  
Other services (except Public Administration)890  3.5  887  3.7  
Other 2
3,365  13.3  3,241  13.4  
Total25,388  100.0 %24,162  100.0 %
 December 31, 2017 December 31, 2016
(Dollar amounts in millions)Amount Percent Amount Percent
        
Real estate, rental and leasing$2,807
 12.3% $2,624
 12.1%
Retail trade 1
2,257
 9.8
 2,145
 9.9
Manufacturing2,116
 9.2
 2,161
 10.0
Finance and insurance2,026
 8.8
 1,462
 6.8
Healthcare and social assistance1,556
 6.8
 1,538
 7.1
Wholesale trade1,543
 6.7
 1,444
 6.7
Transportation and warehousing1,343
 5.9
 1,300
 6.0
Construction1,094
 4.8
 1,076
 5.0
Mining, quarrying, and oil and gas extraction1,010
 4.4
 1,403
 6.5
Accommodation and food services932
 4.1
 925
 4.3
Utilities 2
905
 4.0
 783
 3.6
Other Services (except Public Administration)896
 3.9
 881
 4.1
Professional, scientific, and technical services879
 3.8
 875
 4.0
Other 3
3,562
 15.5
 2,998
 13.9
Total$22,926
 100.0% $21,615
 100.0%
1 At December 31, 2017, 84% of retail trade consists of motor vehicleIncludes primarily utilities, power, and parts dealers, gas stations, grocery stores, building material suppliers, and direct-to-consumer retailers. For additional detail on our CRE retail exposure, see the Commercial Real Estate Loans section on page 61.
2
Includes primarily utilities, power, and renewable energy.
3
No other industry group exceeds 3.5%.
Oil and Gas-Related Exposurerenewable energy.
Various industries represented in the previous schedule, including mining, quarrying and oil and gas extraction; manufacturing; and transportation and warehousing, contain certain loans we categorize as oil and gas-related. At both December 31, 2017 and 2016, we had approximately $3.9 billion of total oil and gas-related credit exposure. The distribution of oil and gas-related loans by customer market segment is shown in the following schedule:2No other industry group exceeds 3.5%.

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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES

Schedule 19
OIL AND GAS-RELATED EXPOSURE 1
(Dollar amounts in millions)December 31, 2017 % of total oil and gas- related December 31, 2016 % of total oil and gas- related
Loans and leases       
Upstream – exploration and production$730
 37% $733
 34%
Midstream – marketing and transportation617
 31
 598
 28
Downstream – refining123
 6
 137
 6
Other non-services34
 2
 38
 2
Oilfield services367
 19
 500
 23
Oil and gas service manufacturing102
 5
 152
 7
Total loan and lease balances 2
1,973
 100% 2,158
 100%
Unfunded lending commitments1,908
   1,722
  
Total oil and gas credit exposure$3,881
   $3,880
  
Private equity investments$3
   $7
  
Credit quality measures       
Criticized loan ratio25.1%   37.8%  
Classified loan ratio17.9%   31.6%  
Nonaccrual loan ratio7.7%   13.6%  
Ratio of nonaccrual loans that are current88.1%   86.1%  
Net charge-off ratio, annualized 3
%   3.0%  
1
Because many borrowers operate in multiple businesses, judgment has been applied in characterizing a borrower as oil and gas-related, including a particular segment of oil and gas-related activity, e.g., upstream or downstream; typically, 50% of revenues coming from the oil and gas sector is used as a guide.
2
Total loan and lease balances and the credit quality measures do not include oil and gas loans held for sale at period end.
3
Calculated as the ratio of annualized net charge-offs to the beginning loan balances for each respective period.
During 2017, our overall balance of oil and gas-related loans decreased by $185 million, or 9%, from year-end 2016. Oil and gas-related loans represented 4% of the total loan portfolio at December 31, 2017, compared with 5% at December 31, 2016. Unfunded oil and gas-related lending commitments increased by $186 million, or 11%. The increase in unfunded oil and gas-related lending commitments was primarily in the midstream portfolio.
Classified oil and gas-related credits decreased to $354 million at December 31, 2017, from $681 million at December 31, 2016. Oil and gas-related loan net charge-offs were $36 million for 2017, compared with $130 million for 2016. At December 31, 2017, the ACL related to the oil and gas-related portfolio was approximately 7% of oil and gas-related balances, compared with 9% at December 31, 2016.
Nonaccruing oil and gas-related loans decreased by $143 million during 2017, primarily in the oil and gas services and upstream portfolios. Approximately 88% of oil and gas-related nonaccruing loans were current as to principal and interest payments at December 31, 2017, which increased from 86% at December 31, 2016.
Risk Management of the Oil and Gas-Related Portfolio
The oil and gas-related portfolio is comprised of three primary segments: upstream, midstream, and oil and gas services. Upstream exploration and production loan borrowers have relatively balanced production between oil and gas. Midstream loans are made to companies that gather, transport, treat and blend oil and natural gas, or that provide services to similar companies. Oil and gas services loans, which include oilfield services and oil and gas service manufacturing, include borrowers that have a concentration of revenues in the oil and gas industry. However, many of these borrowers provide a broad range of products and services to the oil and gas industry and are diversified geographically.

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We apply concentration limits and disciplined underwriting to the entire oil and gas-related loan portfolio to limit our risk exposure. As an indicator of the diversity in the size of our oil and gas-related portfolio, the average amount of our commitments is approximately $6 million, with approximately 67% of the commitments less than $30 million. Additionally, there are instances where we have commitments to companies with a common sponsor which, if combined, would result in higher commitment levels than $30 million. The portfolio contains only senior loans—no junior or second lien positions; additionally, we cautiously approach making first-lien loans to borrowers that employ excessive leverage through the use of junior lien loans or unsecured layers of debt. Approximately 88% of the total oil and gas-related portfolio is secured by reserves, equipment, real estate, and other collateral, or a combination of collateral types.
We participate as a lender in loans and commitments designated as Shared National Credits (“SNCs”), which generally consist of larger and more diversified borrowers that have better access to capital markets. SNCs are loans or loan commitments of at least $20 million that are shared by three or more federally supervised institutions. The percentage of SNCs is 79% of the upstream portfolio, 79% of the midstream portfolio, and 44% of the oil and gas services portfolio. Our bankers have direct access and contact with the management of these SNC borrowers, and as such, are active participants. In many cases, we provide ancillary banking services to these borrowers, further evidencing this direct relationship. The results of the fall 2017 SNC exam are reflected in our financial statements.
As a secondary source of support, many of our oil and gas-related borrowers have access to capital markets and private equity sources. Private sponsors tend to be large funds, often with assets under management of more than $1 billion, managed by individuals with a great deal of oil and gas expertise and experience and who have successfully managed investments through previous oil and gas price cycles. The investors in the funds are primarily institutional investors, such as large pensions, foundations, trusts, and high net worth family offices.

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Commercial Real Estate Loans
Selected information indicative of credit quality regarding our CRE loan portfolio is presented in the following schedule.
Schedule 2023
COMMERCIAL REAL ESTATE PORTFOLIO BY LOAN TYPE AND COLLATERAL LOCATION
(Dollar amounts in millions)Collateral Location
Loan typeAs of
date
ArizonaCaliforniaColoradoNevadaTexasUtah/
Idaho
Wash-ington/Oregon
Other 1
Total% of 
total
CRE
Commercial term
Balance outstanding12/31/2019$1,211  $2,995  $545  $659  $1,580  $1,411  $428  $515  $9,344  80.9 %
% of loan type13.0 %32.0 %5.8 %7.1 %16.9 %15.1 %4.6 %5.5 %100.0 %
Delinquency rates: 2
30-89 days12/31/20190.1 %0.1 %— %0.2 %— %0.1 %— %0.2 %0.1 %
12/31/2018— %— %— %0.2 %— %0.1 %— %— %— %
≥ 90 days12/31/2019— %0.1 %— %— %— %— %— %0.2 %— %
12/31/2018— %0.1 %0.2 %— %0.4 %0.1 %— %— %0.1 %
Accruing loans past due 90 days or more12/31/2019$—  $—  $—  $—  $—  $—  $—  $—  $—  
12/31/2018—  —   —  —  —  —  —   
Nonaccrual loans12/31/2019—   —  —    —   16  
12/31/2018  —     —  13  38  
Residential construction and land development
Balance outstanding12/31/2019$67  $260  $58  $—  $196  $146  $11  $22  $760  6.6 %
% of loan type8.8 %34.2 %7.6 %— %25.8 %19.2 %1.5 %2.9 %100.0 %
Delinquency rates: 2
30-89 days12/31/2019— %1.2 %— %— %— %— %— %— %0.4 %
12/31/2018— %— %— %— %— %— %— %— %— %
≥ 90 days12/31/2019— %— %— %— %— %— %— %— %— %
12/31/2018— %— %— %— %— %— %— %— %— %
Accruing loans past due 90 days or more12/31/2019$—  $—  $—  $—  $—  $—  $—  $—  $—  
12/31/2018—  —  —  —  —  —  —  —  —  
Nonaccrual loans12/31/2019—  —  —  —  —  —  —  —  —  
12/31/2018—  —  —  —  —  —  —  —  —  
Commercial construction and land development
Balance outstanding12/31/2019$147  $271  $51  $98  $279  $413  $146  $46  $1,451  12.5 %
% of loan type10.1 %18.7 %3.5 %6.7 %19.2 %28.5 %10.1 %3.2 %100.0 %
Delinquency rates: 2
30-89 days12/31/2019— %0.4 %— %— %— %0.2 %— %— %0.1 %
12/31/2018— %0.4 %— %— %— %— %— %— %0.1 %
≥ 90 days12/31/2019— %— %— %— %— %— %— %— %— %
12/31/2018— %— %— %— %— %— %— %— %— %
Accruing loans past due 90 days or more12/31/2019$—  $—  $—  $—  $—  $—  $—  $—  $—  
12/31/2018—  —  —  —  —  —  —  —  —  
Nonaccrual loans12/31/2019—  —  —  —  —  —  —  —  —  
12/31/2018—  —  —  —  —  —  —  —  —  
Total construction and land development12/31/2019$214  $531  $109  $98  $475  $559  $157  $68  $2,211  
Total commercial real estate12/31/2019$1,425  $3,526  $654  $757  $2,055  $1,970  $585  $583  $11,555  100.0 %
1No other geography exceeds $79 million for all three loan types.
2Delinquency rates include nonaccrual loans.
57
(Dollar amounts in millions) Collateral Location    
Loan type 
As of
date
 Arizona California Colorado Nevada Texas 
Utah/
Idaho
 Wash-ington/Oregon 
Other 1
 Total 
% of 
total
CRE
Commercial term
Balance outstanding 12/31/2017 $1,018
 $3,026
 $493
 $536
 $1,735
 $1,365
 $448
 $482
 $9,103
 81.8%
% of loan type   11.2% 33.2% 5.4% 5.9% 19.1% 15.0% 4.9% 5.3% 100.0%  
Delinquency rates: 2
 
 
 
 
 
 
 
 
    
30-89 days 12/31/2017 0.2% 0.1% 0.1% 0.2% % 0.2% % 0.8% 0.1%  
  12/31/2016 0.1% % % 0.8% % 0.1% 0.2% % 0.1%  
≥ 90 days 12/31/2017 0.2% 0.1% 0.1% % % 0.1% % 0.7% 0.1%  
  12/31/2016 0.3% 0.4% % % % 0.2% % 1.1% 0.2%  
Accruing loans past due 90 days or more 12/31/2017 $1
 $1
 $
 $
 $
 $
 $
 $
 $2
  
  12/31/2016 
 10
 
 
 
 2
 
 
 12
  
Nonaccrual loans 12/31/2017 4
 7
 1
 2
 17
 1
 4
 
 36
  
  12/31/2016 8
 11
 
 2
 1
 
 7
 
 29
  
Residential construction and land development
Balance outstanding 12/31/2017 $40
 $261
 $43
 $4
 $201
 $42
 $3
 $6
 $600
 5.4%
% of loan type   6.6% 43.5% 7.2% 0.7% 33.5% 7.0% 0.5% 1.0% 100.0%  
Delinquency rates: 2
 
 
 
 
 
 
 
 
    
30-89 days 12/31/2017 % % 0.2% % 0.7% % % % 0.2%  
  12/31/2016 % % % % 0.4% % % % 0.1%  
≥ 90 days 12/31/2017 % % % % 0.1% % % % %  
  12/31/2016 % % % % % % % % %  
Accruing loans past due 90 days or more 12/31/2017 $
 $
 $
 $
 $
 $
 $
 $
 $
  
  12/31/2016 
 
 
 
 
 
 
 
 
  
Nonaccrual loans 12/31/2017 
 
 
 
 
 
 
 
 
  
  12/31/2016 
 
 
 
 
 
 
 
 
  
Commercial construction and land development
Balance outstanding 12/31/2017 $131
 $356
 $34
 $72
 $415
 $265
 $90
 $58
 $1,421
 12.8%
% of loan type   9.2% 25.0% 2.4% 5.1% 29.2% 18.7% 6.3% 4.1% 100.0%  
Delinquency rates: 2
 
 
 
 
 
 
 
 
    
30-89 days 12/31/2017 0.1% 0.2% % % 0.2% 0.1% % % 0.1%  
  12/31/2016 % % % 1.2% % 2.4% % % 0.5%  
≥ 90 days 12/31/2017 % % % % % 1.3% % % 0.3%  
  12/31/2016 % % % % 0.4% % % % 0.2%  
Accruing loans past due 90 days or more 12/31/2017 $
 $
 $
 $
 $
 $
 $
 $
 $
  
  12/31/2016 
 
 
 
 
 
 
 
 
  
Nonaccrual loans 12/31/2017 
 
 
 
 
 4
 
 
 4
  
  12/31/2016 
 
 
 
 2
 5
 
 
 7
  
Total construction and land development 12/31/2017 $171
 $617
 $77
 $76
 $616
 $307
 $93
 $64
 $2,021
  
Total commercial real estate 12/31/2017 $1,189
 $3,643
 $570
 $612
 $2,351
 $1,672
 $541
 $546
 $11,124
 100.0%
1
No other geography exceeds $79 million for all three loan types.
2
Delinquency rates include nonaccrual loans.



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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES

Approximately 20%9% of the CRE term loans consist of mini-perm loans as of December 31, 2017.2019. For such loans, construction has been completed and the project has stabilized to a level that supports the granting of a mini-perm loan in accordance with our underwriting standards. Mini-perm loans generally have initial maturities of three to sevenfive years. The remaining 80%91% of CRE loans are term loans with initial maturities generally of 5 to 20 years. The stabilization criteria for a project to qualify for a term loan differ by product type and include criteria related to the cash flow generated by the project, loan-to-value ratio, and occupancy rates.
Approximately $144$158 million, or 10%7%, of the commercial construction and land development portfolio at December 31, 20172019 consists of acquisition and development loans. Most of these acquisition and development loans are secured by specific retail, apartment, office, or other projects.
Of the total CRE loan portfolio at December 31, 2017, we categorize $1.8 billion as retail property, where the ultimate use of the property is for retailing purposes. The average loan-to-value ratio for these loans is approximately 55%, and more than 90% are occupied. Approximately 81% of our CRE retail loans are to borrowers where the underlying retail businesses are not regional shopping centers, but include neighborhood strip malls, stand-alone retail facilities, and single-tenant buildings. Of the regional shopping center exposure, approximately 94% is term debt, and the criticized loan ratio is 5.3%. We closely monitor the CRE retail portfolio for tenant bankruptcy filings and store closures, and have limited exposure to national tenants with announced bankruptcies.
Underwriting on commercial properties is primarily based on the economic viability of the project with heavy consideration given to the creditworthiness and experience of the sponsor. We generally require that the owner’s equity be injected prior to bank advances. Remargining requirements (required equity infusions upon a decline in value or cash flow of the collateral) are often included in the loan agreement along with guarantees of the sponsor. Recognizing that debt is paid via cash flow, the projected cash flows of the project are critical in the underwriting because these determine the ultimate value of the property and its ability to service debt. Therefore, in most projects (with the exception of multifamilymulti-family and hospitality construction projects), we require substantial pre-leasing/leasing in our underwriting and we generally require a minimum projected stabilized debt service coverage ratio of 1.20 or higher, depending on the project asset class.
Within the residential construction and development sector, many of the requirements previously mentioned, such as creditworthiness and experience of the developer, up-front injection of the developer’s equity, principal curtailment requirements, and the viability of the project are also important in underwriting a residential development loan. Significant consideration is given to the forecasted market acceptance of the product, location, strength of the developer, and the ability of the developer to stay within budget. Progress inspections by qualified independent inspectors are routinely performed before disbursements are made.
Real estate appraisals are ordered in accordance with regulatory guidelines and are validated independently of the loan officer and the borrower, generally by our internal appraisal review function, which is staffed by licensed appraisers. In some cases, reports from automated valuation services are used or internal evaluations are performed. A new appraisal or evaluation is required when a loan deteriorates to a certain level of credit weakness.
Advance rates (i.e., loan commitments) will vary based on the viability of the project and the creditworthiness of the sponsor, but our guidelines generally limit advances to 50% for raw land, 65% for land development, 65% for finished commercial lots, 75% for finished residential lots, 80% for pre-sold homes, 75% for models and homes not under contract, and 75% for commercial properties. Exceptions may be granted on a case-by-case basis.
Loan agreements require regular financial information on the project and the sponsor in addition to lease schedules, rent rolls and, on construction projects, independent progress inspection reports. The receipt of this financial information is monitored, and calculations are made to determine adherence to the covenants set forth in the loan agreement.
The existence of a guarantee that improves the likelihood of repayment is taken into consideration when analyzing CRE loans for impairment. If the support of the guarantor is quantifiable and documented, it is included in the


potential cash flows and liquidity available for debt repayment, and our impairment methodology takes this repayment source into consideration.
When we modify or extend a loan, we also give consideration to whether the borrower is in financial difficulty, and whether we have granted a concession. In determining if an interest rate concession has been granted, we consider whether the interest rate on the modified loan is equivalent to current market rates for new debt with similar risk characteristics. If the rate in the modification is less than current market rates, it may indicate that a concession was granted and impairment exists. However, if additional collateral is obtained, or if a guarantor exists who has the
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capacity and willingness to support the loan on an extended basis, we also consider the nature and amount of the additional collateral and guarantees in the ultimate determination of whether a concession has been granted.
In general, we obtain and consider updated financial information for the guarantor as part of our determination to extend a loan. The quality and frequency of financial reporting collected and analyzed varies depending on the contractual requirements for reporting, the size of the transaction, and the strength of the guarantor.
Complete underwriting of the guarantor includes, but is not limited to, an analysis of the guarantor’s current financial statements, leverage, liquidity, global cash flow, global debt service coverage, contingent liabilities, etc. The assessment also includes a qualitative analysis of the guarantor’s willingness to perform in the event of a problem and demonstrated history of performing in similar situations. Additional analysis may include personal financial statements, tax returns, liquidity (brokerage) confirmations, and other reports, as appropriate.
A qualitative assessment is performed on a case-by-case basis to evaluate the guarantor’s experience, performance track record, reputation, and willingness to work with us. We also utilize market information sources, rating, and scoring services in our assessment. This qualitative analysis coupled with a documented quantitative ability to support the loan may result in a higher-quality internal loan grade, which may reduce the level of allowance we estimate. Previous documentation of the guarantor’s financial ability to support the loan is discounted if there is any indication of a lack of willingness by the guarantor to support the loan.
In the event of default, we evaluate the pursuit of any and all appropriate potential sources of repayment, which may come from multiple sources, including the guarantee. A number of factors are considered when deciding whether or not to pursue a guarantor, including, but not limited to, the value and liquidity of other sources of repayment (collateral), the financial strength and liquidity of the guarantor, possible statutory limitations (e.g., single action rule on real estate) and the overall cost of pursuing a guarantee compared with the ultimate amount we may be able to recover. In other instances, the guarantor may voluntarily support a loan without any formal pursuit of remedies.
A decrease in oil and gas prices could potentially produce an adverse impact on our CRE loan portfolio within Texas. However, based upon generally strong equity and cash flow coverage levels, and sponsor support for the various properties, we do not expect a material amount of losses within this portfolio in 2018. Our largest CRE credit exposures in Texas are to the multi-family, office, and retail sectors. At December 31, 2017, the CRE loan portfolio mix in Texas was 72% commercial term, 16% commercial construction, 8% residential construction, and 4% land development.
Consumer Loans
We have mainly been an originator of first and second mortgages, generally considered to be of prime quality. We generally hold variable-rate loans in our portfolio and sell “conforming” fixed-rate loans to third parties, including Federal National Mortgage Association and Federal Home Loan Mortgage Corporation, for which we make representations and warranties that the loans meet certain underwriting and collateral documentation standards.
We are engaged in Home Equity Credit Line (“HECL”) lending. At both December 31, 2017,2019 and December 31, 2018, our HECL portfolio totaled $2.8 billion, compared with $2.6 billion at December 31, 2016.$2.9 billion. The following schedule describes the composition of our HECL portfolio by lien status.


Schedule 2124
HECL PORTFOLIO BY LIEN STATUS
December 31,December 31,
(In millions)2017 2016(In millions)20192018
   
Secured by first deeds of trust$1,406
 $1,383
Secured by first deeds of trust$1,392  $1,458  
Secured by second (or junior) liens1,371
 1,262
Secured by second (or junior) liens1,525  1,479  
Total$2,777
 $2,645
Total$2,917  $2,937  
At December 31, 2017,2019, loans representing less than 1% of the outstanding balance in the HECL portfolio were estimated to have combined loan-to-value ratios (“CLTV”) above 100%. An estimated CLTV ratio is the ratio of our loan plus any prior lien amounts divided by the estimated current collateral-value. At origination, underwriting standards for the HECL portfolio generally include a maximum 80% CLTV with high credit scores at origination.
Approximately 93%89% of our HECL portfolio is still in the draw period, and approximately 26%18% of those loans are scheduled to begin amortizing within the next five years. We regularly analyze the risk of borrower default in the event of a loan becoming fully amortizing and the risk of higher interest rates. The analysis indicates that the risk of loss from this factor is minimal in the current economic environment. The ratio of net charge-offs to average
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balances at year-end 20172019 and 2016 for the HECL portfolio2018 was 0.02% and 0.01%(0.02)%, respectively. See Note 6 of the Notes to Consolidated Financial Statements for additional information on the credit quality of this portfolio.
Nonperforming Assets
Nonperforming assets as a percentage of loans and leases and other real estate owned (“OREO”) decreased to 0.93%0.51% at December 31, 2017,2019, compared with 1.34%0.55% at December 31, 2016.2018.
Total nonaccrual loans at December 31, 20172019 decreased $155to $243 million from $252 million at December 31, 2016,2018, primarily in the oil and gas-relatedterm CRE loan portfolio. However, nonaccrual loans slightly increased in the commercial owner-occupied and 1-4 family residential loan portfolios. The largest total decrease in nonaccrual loans occurred at Amegy.
The balance of nonaccrual loans can decrease due to paydowns, charge-offs, and the return of loans to accrual status under certain conditions. If a nonaccrual loan is refinanced or restructured, the new note is immediately placed on nonaccrual. If a restructured loan performs under the new terms for at least a period of six months, the loan can be considered for return to accrual status. See “Restructured Loans” following for more information. Company policy does not allow for the conversion of nonaccrual construction and land development loans to CRE term loans. See Note 6 of the Notes to Consolidated Financial Statements for more information on nonaccrual loans.

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The following schedule presents our nonperforming assets:
Schedule 2225
NONPERFORMING ASSETS
(Dollar amounts in millions)December 31,
20192018201720162015
Nonaccrual loans:
Loans held for sale$—  $ $12  $40  $—  
Commercial:
Commercial and industrial110  82  195  354  164  
Leasing—    14   
Owner-occupied65  67  90  74  74  
Municipal—      
Commercial real estate:
Construction and land development—  —     
Term16  38  36  29  40  
Consumer:
Real estate52  55  68  49  59  
Other—   —    
Nonaccrual loans243  252  414  569  350  
Other real estate owned:
Commercial:
Commercial properties     
Developed land —  —  —  —  
Land —  —  —   
Residential:
1-4 family     
Developed land—  —  —  —  —  
Land—  —  —  —  —  
Other real estate owned     
Total nonperforming assets$251  $256  $418  $573  $357  
Ratio of nonperforming assets to net loans and leases1 and other real estate owned
0.51 %0.55 %0.93 %1.34 %0.87 %
Accruing loans past due 90 days or more:
Commercial$ $ $17  $18  $ 
Commercial real estate—    13  22  
Consumer     
Total$10  $10  $22  $36  $32  
Ratio of accruing loans past due 90 days or more to net loans and leases1
0.02 %0.02 %0.05 %0.08 %0.08 %
(Dollar amounts in millions)December 31,
 2017 2016 2015 2014 2013
Nonaccrual loans:         
Loans held for sale$12
 $40
 $
 $
 $
Commercial:  

     

Commercial and industrial195
 354
 164
 106
 101
Leasing8
 14
 4
 
 1
Owner-occupied90
 74
 74
 87
 137
Municipal1
 1
 1
 1
 10
Commercial real estate:         
Construction and land development4
 7
 7
 24
 29
Term36
 29
 40
 25
 60
Consumer:         
Real estate68
 49
 59
 64
 66
Other
 1
 1
 
 2
Nonaccrual loans414
 569
 350
 307
 406
Other real estate owned:         
Commercial:         
Commercial properties3
 2
 5
 11
 16
Developed land
 
 
 
 6
Land
 
 1
 2
 6
Residential:         
1-4 family1
 2
 1
 4
 8
Developed land
 
 
 2
 9
Land
 
 
 
 1
Other real estate owned4
 4
 7
 19
 46
Total nonperforming assets$418
 $573
 $357
 $326
 $452
Ratio of nonperforming assets to net loans and leases1 and other real estate owned
0.93% 1.34% 0.87% 0.81% 1.15%
Accruing loans past due 90 days or more:         
Commercial$17
 $18
 $7
 $8
 $8
Commercial real estate2
 13
 22
 20
 29
Consumer3
 5
 3
 1
 3
Total$22
 $36
 $32
 $29
 $40
Ratio of accruing loans past due 90 days or more to net loans and leases1
0.05% 0.08% 0.08% 0.07% 0.10%
1Includes loans held for sale.
1
Includes loans held for sale.
Restructured Loans
Troubled debt restructurings (“TDRs”) are loans that have been modified to accommodate a borrower who is experiencing financial difficulties, and for whom we have granted a concession that we would not otherwise consider. TDRs decreased $25$49 million, or 10%24%, during 2017,2019, primarily due to payments and payoffs. Commercial loans may be modified to provide the borrower more time to complete the project, to achieve a higher lease-up percentage, to sell the property, or for other reasons. Consumer loan TDRs represent loan modifications in which a concession has been granted to the borrower who is unable to refinance the loan with another lender, or who is experiencing economic hardship. Such consumer loan TDRs may include residential mortgage loans and home equity loans.

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If thea nonaccruing restructured loan performs for at least six months according to the modified terms, and an analysis of the customer’s financial condition indicates that we are reasonably assured of repayment of the modified principal and interest, the loan may be returned to accrual status. The borrower’s payment performance prior to, and following, the restructuring is taken into account to determine whether a loan should be returned to accrual status.
Schedule 2326
ACCRUING AND NONACCRUING TROUBLED DEBT RESTRUCTURED LOANS
December 31,December 31,
(In millions)2017 2016(In millions)20192018
   
Restructured loans – accruing$139
 $151
Restructured loans – accruing$78  $112  
Restructured loans – nonaccruing87
 100
Restructured loans – nonaccruing75  90  
Total$226
 $251
Total$153  $202  
In the periods following the calendar year in which a loan was restructured, a loan may no longer be reported as a TDR if it is on accrual, is in compliance with its modified terms, and yields a market rate (as determined and documented at the time of the modification or restructure). See Note 6 of the Notes to Consolidated Financial Statements for additional information regarding TDRs.
Schedule 2427
TROUBLED DEBT RESTRUCTURED LOANS ROLLFORWARD
(In millions)20192018
Balance at beginning of year$202  $226  
New identified troubled debt restructuring and principal increases48  142  
Payments and payoffs(84) (131) 
Charge-offs(10) (7) 
No longer reported as troubled debt restructuring—  (20) 
Sales and other(3) (8) 
Balance at end of year$153  $202  
(In millions)2017 2016
    
Balance at beginning of year$251
 $297
New identified troubled debt restructuring and principal increases190
 154
Payments and payoffs(157) (145)
Charge-offs(25) (32)
No longer reported as troubled debt restructuring(4) (10)
Sales and other(29) (13)
Balance at end of year$226
 $251
Allowance for Credit Losses
In analyzing the adequacy of the ALLL, we utilize a comprehensive loan grading system to determine the risk potential in the portfolio and also consider the results of independent internal credit reviews. To determine the adequacy of the allowance, our loan and lease portfolio is broken into segments based on loan type.

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The following schedule shows the changes in the allowance for loan losses and a summary of loan loss experience:
Schedule 2528
SUMMARY OF LOAN LOSS EXPERIENCE
(Dollar amounts in millions)2017 2016 2015 2014 2013(Dollar amounts in millions)20192018201720162015
         
Loans and leases outstanding (net of unearned income)$44,780
 $42,649
 $40,650
 $40,064
 $39,043
Loans and leases outstanding (net of unearned income)$48,709  $46,714  $44,780  $42,649  $40,650  
Average loans and leases outstanding, (net of unearned income)$43,501
 $42,062
 $40,171
 $39,522
 $38,109
Average loans and leases outstanding, (net of unearned income)$48,265  $45,425  $43,501  $42,062  $40,171  
Allowance for loan losses:
        Allowance for loan losses:
Balance at beginning of year$567
 $606
 $605
 $746
 $896
Balance at beginning of year$495  $518  $567  $606  $605  
Provision charged to earnings24
 93
 40
 (98) (87)Provision charged to earnings37  (39) 24  93  40  
Adjustment for FDIC-supported/PCI loans
 
 
 (1) (11)
Charge-offs:
        Charge-offs:
Commercial(118) (170) (111) (77) (76)Commercial57  46  118  170  111  
Commercial real estate(9) (12) (14) (15) (26)Commercial real estate   12  14  
Consumer(17) (16) (14) (14) (29)Consumer17  18  17  16  14  
Total(144) (198) (139) (106) (131)Total78  69  144  198  139  
Recoveries:
        Recoveries:
Commercial46
 43
 55
 41
 41
Commercial25  68  46  43  55  
Commercial real estate14
 14
 35
 12
 25
Commercial real estate  14  14  35  
Consumer11
 9
 10
 11
 13
Consumer10   11   10  
Total71
 66
 100
 64
 79
Total41  85  71  66  100  
Net loan and lease charge-offs(73) (132) (39) (42) (52)Net loan and lease charge-offs37  (16) 73  132  39  
Balance at end of year$518

$567

$606

$605

$746
Balance at end of year$495  $495  $518  $567  $606  
Ratio of net charge-offs to average loans and leases0.17% 0.31% 0.10% 0.11% 0.14%Ratio of net charge-offs to average loans and leases0.08 %(0.04)%0.17 %0.31 %0.10 %
Ratio of allowance for loan losses to net loans and leases, on December 31,1.16% 1.33% 1.49% 1.51% 1.91%Ratio of allowance for loan losses to net loans and leases, on December 31,1.02 %1.06 %1.16 %1.33 %1.49 %
Ratio of allowance for loan losses to nonaccrual loans, on December 31,129% 107% 173% 197% 184%Ratio of allowance for loan losses to nonaccrual loans, on December 31,204 %201 %129 %107 %173 %
Ratio of allowance for loan losses to nonaccrual loans and accruing loans past due 90 days or more, on December 31,122% 101% 159% 180% 167%Ratio of allowance for loan losses to nonaccrual loans and accruing loans past due 90 days or more, on December 31,196 %193 %122 %101 %159 %
Schedule 2629
ALLOCATION OF THE ALLOWANCE FOR LOAN LOSSES
At December 31,
2017 2016 2015 2014 20132019  2018  2017  2016  2015  
(Dollar amounts in millions)% of total loans Allocation of allowance % of total loans Allocation of allowance % of total loans Allocation of allowance % of total loans Allocation of allowance % of total loans Allocation of allowance(Dollar amounts in millions)% of total loansAllocation of allowance% of total loansAllocation of allowance% of total loansAllocation of allowance% of total loansAllocation of allowance% of total loansAllocation of allowance
Loan segment                   Loan segment
Commercial51.2% $371
 50.6% $420
 52.9% $454
 53.5% $413
 53.5% $469
Commercial52.1 %$341  51.7 %$331  51.2 %$371  50.6 %$420  52.9 %$454  
Commercial real estate24.8
 103
 26.6
 116
 25.5
 114
 25.3
 145
 26.6
 216
Commercial real estate23.7  101  23.8  110  24.8  103  26.6  116  25.5  114  
Consumer24.0
 44
 22.8
 31
 21.6
 38
 21.2
 47
 19.9
 61
Consumer24.2  53  24.5  54  24.0  44  22.8  31  21.6  38  
Total100.0% $518
 100.0% $567
 100.0%
$606
 100.0% $605
 100.0% $746
Total100.0 %$495  100.0 %$495  100.0 %$518  100.0 %$567  100.0 %$606  
The total ALLL decreased by $49 millionremained stable during 2017,2019, primarily as a result of credit quality improvements in the oilloan growth, offset by recent default and gas-related loan portfolio.loss rates that are lower than long-term averages.
The RULC represents a reserve for potential losses associated with off-balance-sheetoff-balance sheet commitments and standby letters of credit. The reserve is separately shown in the balance sheet and any related increases or decreases in the reserve are shown separately in the statement of income. At December 31, 2017,2019, the reserve decreasedincreased by $7$2 million, compared with December 31, 2016, also as a result of credit quality improvements2018, for reasons described previously for the change in the total loan portfolio.ALLL.

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See Note 6 of the Notes to Consolidated Financial Statements for additional information related to the ACL and credit trends experienced in each portfolio segment.
Interest Rate and Market Risk Management
Interest rate and market risk are managed centrally. Interest rate risk is the potential for reduced net interest income and other rate sensitiverate-sensitive income resulting from adverse changes in the level of interest rates. Market risk is the potential for loss arising from adverse changes in the fair value of fixed incomefixed-income securities, equity securities, other earning assets, and derivative financial instruments as a result of changes in interest rates or other factors. As a financial institution that engages in transactions involving an array of financial products, we are exposed to both interest rate risk and market risk.
The Company’sBank’s Board of Directors is responsible for approving the overall policies relating to the management of the financial risk of the Company,Bank, including interest rate and market risk management. The Board has established the Asset/Asset Liability Committee (“ALCO”) consisting of members of management, to which it has delegated the responsibility of managing interest rate and market risk for the Company.Bank. ALCO establishes and periodically revises policy limits and reviews with the ROC the limits and limit exceptions reported by management.
Interest Rate Risk
Interest rate risk is one of the most significant risks to which we are regularly exposed. In general, our goal in managing interest rate risk is to manage balance sheet sensitivity to reduce net income volatility due to changes in interest rates.
Over the course of the last year,several years, we have actively reduced the level of asset sensitivity through the purchase of short-to-medium duration agency pass-through securities and funding these purchases by reducing money market investments and increasing short-term borrowings. This repositioning of the investment portfolio has increased current net interest income while dampening the impact of higherlower rates on net interest income growth.contraction. We continue to anticipate highermoderately lower net interest income in a risingfalling rate environment as our assets reprice more quickly than our liabilities.
As mostAdditionally, during 2019 we've expanded our use of our liabilities are comprised of indeterminate maturity and managed rate deposits, behavioral assumptions for these deposits have a significant impact on our projected interest rate risk. We have historically reported two sets of deposit assumptions, fast and slow,derivatives to reflect the uncertainty of deposit behavior and its impact onfurther reduce asset sensitivity through purchased interest rate risk.floors (which were subsequently rolled into receive-fixed interest rate swaps) and additional receive-fixed interest rate swaps, designated as cash flow hedges of pools of floating-rate loans. We have recently updatedalso use receive-fixed interest rate swaps designated as fair value hedges of fixed-rate debt to further manage our deposit models and now disclose interest rate risk profile. For more information on derivatives designated as qualifying cash flow and fair value hedges, see Note 7 – Derivative Instruments and Hedging Activities.
The schedule below presents all derivatives utilized in our asset liability management ("ALM") activities that are designated in qualifying hedging relationships as defined by GAAP as of December 31, 2019 and December 31, 2018. The schedule includes the notional amount, fair value, and the weighted-average strike rate for onlyeach category of interest rate derivatives, shown by maturity for the next five years.
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Schedule 30
ASSET LIABILITY MANAGEMENT DERIVATIVE POSITIONS
December 31, 2019
Contractual Maturity
(Dollar amounts in millions)Total Active20202021202220232024ThereafterMatured
in 2019
Cash flow hedges
Net fair value1
$47  $—  $—  $27  $ $13  $—  $—  
Total notional amount3,588  438  50  2,400  300  400  —  200  
Weighted-average fixed-rate2.05 %1.56 %1.81 %2.06 %2.35 %2.35 %— %1.62 %
Fair value hedges
Receive-fixed interest rate swaps
Net fair value1
$10  $—  $10  $ $—  $—  $(10) $—  
Total notional amount1,500  —  500  500  —  —  500  —  
Weighted-average fixed-rate2.39 %— %2.99 %2.46 %— %— %1.70 %— %
Total ALM interest rate derivatives
Net fair value1
$57  $—  $11  $36  $ $13  $(10) $—  
Total notional amount5,088  438  550  2,900  300  400  500  200  

December 31, 2018
Contractual Maturity
(Dollar amounts in millions)Total Active201920202021202220232024ThereafterMatured
in 2018
Cash flow hedges
Net fair value1
$(8) $(1) $(6) $(1) $—  $—  $—  $—  $—  
Total notional amount688  200  438  50  —  —  —  —  450  
Weighted-average fixed-rate1.59 %1.62 %1.56 %1.81 %— %— %— %— %1.20 %
Fair value hedges
Receive-fixed interest rate swaps
Net fair value1
$ $—  $—  $ $—  $—  $—  $—  $—  
Total notional amount500  —  —  500  —  —  —  —  —  
Weighted-average fixed-rate2.99 %— %— %2.99 %— %— %— %— %— %
Total ALM interest rate derivatives
Net fair value1
$(3) $(1) $(6) $ $—  $—  $—  $—  $—  
Total notional amount1,188  200  438  550  —  —  —  —  450  
1Fair Values shown in the schedule above are presented net, with both positive and negative fair values reported in a single setamount for each line. Values exclude the effects of deposit behavioral assumptions. The newly implemented method differs from prior methods primarily in the way we treat commercial checking deposits and in the manner by which we determine the portion of deposits that are core deposits. For commercial checking deposits, we have separated the balances into a core amount that is operational or that compensatescollateral settlements for billed services, and a complementary excess balance. The excess balance is modeled with a high attrition rate, whereas the core balance runs off more slowly. For other deposit types, the core balance is determined by the average balance over a longer-term horizon, typically 24 to 48 months, and excess balances are modeled with a high attrition rate.centrally cleared derivatives.
Interest Rate Risk Measurement
We monitor interest rate risk through the use of two complementary measurement methods: net interest income simulation, or Earnings at Risk (“EaR”), and Economic Value of Equity at Risk (“EVE”). EaR analyzes the expected change in near term (one year) net interest income in response to changes in interest rates. In the EVE method, we measure the expected changes in the fair value of equity in response to changes in interest rates.
EaR is an estimate of the change in total net interest income that would be recognized under different interest rate environments over a one-year period. This simulated impact to net interest income due to a change in rates uses as its base a modeled net interest income that is not necessarily the same as the most recent quarter's or year's reported
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net interest income. Rather, EaR is measured simulatingemploys estimated net interest income under an unchanged interest rate scenario as the basis for comparison. The EaR process then simulates changes to the base net interest income under several differentinterest rate scenarios, including parallel and nonparallel interest rate shifts across the yield curve, taking into account deposit repricing assumptions and estimates of the possible exercise of embedded options within the portfolio (e.g., a borrower’s ability to refinance a loan under a lower-rate environment). The EaR model does not contemplate changes in fee income that are amortized into interest income (e.g. premiums, discounts, origination points and costs, etc). Our policy contains a trigger for a 10%

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decline over one-year in rate sensitiverate-sensitive income as well as a risk capacity of a 13% decline if rates were to immediately rise or fall in parallel by 200 bps. As of December 31, 2018 the EaR declined by 12% for a 200 bps decline in rates. This trigger violation informed our decision to move to a less asset-sensitive position throughout 2019. As of December 31, 2019 the EaR declined by 9% for a 200 bps decline in rates.
EVE is calculated as the fair value of all assets minus the fair value of liabilities. We measure changes in the dollar amount of EVE for parallel shifts in interest rates. Due to embedded optionality and asymmetric rate risk, changes in EVE can be useful in quantifying risks not apparent for small rate changes. Examples of such risks may include out-of-the-money interest rate caps (or limits) on loans, which have little effect under small rate movements but may become important if large rate changes were to occur, or substantial prepayment deceleration for low-rate mortgages in a higher-rate environment. Our policy contains a trigger for an 8% decline in EVE as well as a risk capacity of a 10% decline if rates were to immediately rise or fall in parallel by 200 bps. Exceptions to the EVE limits are subject to notification and approval by the ROC.
Estimating the impact on net interest income and EVE requires that we assess a number of variables and make various assumptions in managing our exposure to changes in interest rates. The assessments address deposit withdrawals and deposit product migration (e.g., customers moving money from checking accounts to certificates of deposit), competitive pricing (e.g., existing loans and deposits are assumed to roll into new loans and deposits at similar spreads relative to benchmark interest rates), loan and security prepayments, and the effects of other similar embedded options. As a result of uncertainty about the maturity and repricing characteristics of both deposits and loans, we also calculate the sensitivity of EaR and EVE results to key assumptions. TheAs most of our liabilities are comprised of indeterminate maturity and managed rate deposits, the modeled results are highly sensitive to the assumptions used for these deposits, that do not have specific maturities, such as checking, savings and money market accounts, and also to prepayment assumptions used for loans with prepayment options. We use historical regression analysis as a guide to setfor setting such assumptions; however, due to the current low interest rate environment, which has little historical precedent, estimated deposit behavior may not reflect actual future results. Additionally, competition for funding in the marketplace has and may again result in changes to deposit pricing on interest-bearing accounts that are greater or less than changes in benchmark interest rates such as LIBOR or the federal funds rate.
Under most rising interest rate environments, we would expect some customers to move balances from demand deposits to interest-bearing accounts such as money market, savings, or certificates of deposit. The models are particularly sensitive to the assumption about the rate of such migration.
In addition, we assume certain correlation rates, often referred to as a “deposit beta,” of interest-bearing deposits, wherein the rates paid to customers change at a different pace when compared towith changes in average benchmark interest rates. Generally, certificates of deposit are assumed to have a high correlation rate, while interest-on-checking accounts are assumed to have a lower correlation rate. Actual results may differ materially due to factors including the shape of the yield curve, competitive pricing, money supply, credit worthiness of the Company,Bank, and so forth; however, we use our historical experience as well as industry data to inform our assumptions.
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The aforementioned migration and correlation assumptions result in deposit durations presented in the following schedule.
Schedule 27.
Schedule 2731
DEPOSIT ASSUMPTIONS
  December 31, 2017
  New Deposit Method
Product Effective duration (unchanged) Effective duration (+200 bps)
     
Demand deposits 3.4% 3.3%
Money market 1.5% 1.3%
Savings and interest-on-checking 2.6% 2.4%

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December 31, 2019December 31, 2018
ProductEffective duration (unchanged) Effective duration
(+200 bps)
 Effective duration (unchanged) Effective duration
(+200 bps)
 
Demand deposits3.2 %3.0 %3.6 %3.0 %
Money market2.1 %1.7 %1.6 %1.5 %
Savings and interest-on-checking2.6 %2.2 %2.8 %2.5 %
As of the dates indicated and incorporating the assumptions previously described, the following schedule shows EaR, or percentage change in net interest income, based on a static balance sheet size, in the first year after the interest rate change if interest rates were to sustain immediate parallel changes ranging from -100 bps to +300 bps.
Schedule 2832
INCOME SIMULATION – CHANGE IN NET INTEREST INCOME
December 31, 2019
Parallel shift in rates (in bps)1
Repricing scenario-1000+100+200+300
Earnings at Risk(4.6)%— %3.0 %6.0 %8.9 %
  December 31, 2017
  
Parallel shift in rates (in bps)1
Repricing scenario -100 0 +100 +200 +300
           
Earnings at Risk (2.7)% % 2.8% 5.4% 7.8%
1 Assumes rates cannot go below zero in the negative rate shift.
1
Assumes rates cannot go below zero in the negative rate shift.
For non-maturitynonmaturity interest-bearing deposits, the weighted average modeled beta is 36.2%32%. If the weighted average deposit beta increasedwere to 46.2% it would decreasedecline to 28%, the EaR in the +200bp-100bps shock would change from 5.4%-4.6% to 2.9%-5.1%.
For comparative purposes, the December 31, 2018 measures are presented in the following schedule.
December 31, 2018
Parallel shift in rates (in bps)1
Repricing scenario-1000+100+200+300
Earnings at Risk(5.3)%— %3.4 %5.1 %10.1 %
1 Assumes rates cannot go below zero in the negative rate shift.
The asset sensitivity as measured by EaR decreased slightly since December 31, 2018, due to changes in the investment securities and funding compositions.
The EaR analysis focuses on parallel rate shocks across the term structure of rates. The yield curve typically does not move in a parallel manner. During the past year, an increase in short-term rates has led to a flatter yield curve as longer-term rates have not increased at the same pace as short-term rates. If we consider a flatteningsteepening rate shock where the short-term rate moves +200bp-200bps but the ten-year rate only moves +30bp,-30bps, the increase in earnings decline is 33% lower15% less severe over 12 months compared with the parallel +200bp-200bps rate shock.
For comparative purposes, the December 31, 2016 measures as presented in the following schedule have been recalculated using the new methodology.
  December 31, 2016
  
Parallel shift in rates (in bps)1
Repricing scenario -100 0 +100 +200 +300
           
Earnings at Risk (4.9)% % 3.6% 7.6% 11.5%
1
Assumes rates cannot go below zero in the negative rate shift.
The asset sensitivity as measured by EaR declined year-over-year due to continued purchases of medium-term securities funded through reductions in money market investments and increases in short-term borrowings.
Schedule 29
CHANGES IN ECONOMIC VALUE OF EQUITY
As of the dates indicated, and incorporating the assumptions previously described, the following schedule shows our estimated percentage change in EVE under parallel interest rate changes ranging from -100 bps to +300 bps. Fornon-maturity nonmaturity interest-bearing deposits, the weighted average modeled beta is 36.2%32%. If the weighted average deposit beta increasedwere to 46.2%decrease to 28% it would decreasechange the EVE in the +200bp-100bps shock from 0.3%8.0% to -2.2%7.9%. The decrease in EVE in the down rate shock is a result of the fact that in a very low rate environment the discount to par on deposits is floored at zero.
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  December 31, 2017
  
Parallel shift in rates (in bps)1
Repricing scenario -100 bps 0 bps +100 bps +200 bps +300 bps
           
Economic Value of Equity 0.2% % 0.5% 0.3% 0.2%
1
Assumes rates cannot go below zero in the negative rate shift.



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Schedule 33
For comparative purposes, the December 31, 2016 measures as presentedCHANGES IN ECONOMIC VALUE OF EQUITY
December 31, 2019
Parallel shift in rates (in bps)1
Repricing scenario-1000+100+200+300
Economic Value of Equity8.0 %— %1.1 %0.4 %(0.6)%
1 Assumes rates cannot go below zero in the following schedule have been recalculated usingnegative rate shift.
December 31, 2018
Parallel shift in rates (in bps)1
Repricing scenario-1000+100+200+300
Economic Value of Equity(2.5)%— %(2.1)%(5.6)%(5.4)%
1 Assumes rates cannot go below zero in the new methodology. negative rate shift.
The changes in EVE measures from December 31, 2018 are primarily driven by the same factors as thosebehavior of the deposit models. For nonmaturity deposits, the deposit premium (or discount below par value) is floored at zero in our income simulation.a low-rate environment. With term rates significantly lower on December 31, 2019 than on December 31, 2018 (e.g., 5 year LIBOR swap is approximately 110bps lower), deposit premium valuations have approached the floor resulting in minimal downward change in the -100bps rate shock. Furthermore, during 2019 some deposit model parameters were updated, which made the premium valuation closer to zero and the negative rate shock less comparable to the December 31, 2018 value. The positive rate shocks were less impacted by these model updates.
  December 31, 2016
  
Parallel shift in rates (in bps)1
Repricing scenario -100 bps 0 bps +100 bps +200 bps +300 bps
           
Economic Value of Equity 0.3% % 1.2% 2.9% 4.9%
1
Assumes rates cannot go below zero in the negative rate shift.
Our focus on business banking also plays a significant role in determining the nature of the Company’sBank’s asset-liability management posture. At December 31, 2017, $19.82019, $21 billion of the Company’sBank’s commercial lending and CRE loan balances were scheduled to reprice in the next sixthree months. Of these variable-rate loans approximately 94%98% are tied to either the prime rate or LIBOR. For these variable-rate loans we have executed $1.1$3.6 billion of cash flow hedges by receiving fixed rates on interest rate swaps.swaps or through purchased interest rate floors. Additionally, asset sensitivity is reduced due to $0.2 billion$237 million of variable-rate loans being priced at floored rates at December 31, 2017,2019, which were above the “index plus spread” rate by an average of 6043 bps. At December 31, 2017,2019, we also had $3.3 billion of variable-rate consumer loans scheduled to reprice in the next sixthree months. Of these variable-rate consumer loans approximately $0.1 billion$65 million were priced at floored rates, which were above the “index plus spread” rate by an average of 4217 bps.
See Notes 3 and 7 of the Notes to Consolidated Financial Statements for additional information regarding derivative instruments.
In July 2017, the Financial Conduct Authority, the authority regulating LIBOR, along with various other regulatory bodies, announced that LIBOR would likely be discontinued at the end of 2021. For more information on the transition from LIBOR see Risk Factors on page 15. We are actively working to address any impacted contracts but realize that amending certain contracts indexed to LIBOR may require consent from the counterparties which could be difficult and costly to obtain in certain limited circumstances. Interest rate and market risk are managed centrally.
Market Risk – Fixed Income
We engage in the underwriting and trading of municipal securities. This trading activity exposes us to a risk of loss arising from adverse changes in the prices of these fixed incomefixed-income securities.
At December 31, 2017,2019, we had a relatively small amount, $148$182 million, of trading assets and $95$66 million of securities sold, not yet purchased, compared with $115$106 million and $25$85 million, respectively, at December 31, 2016.2018.
We are exposed to market risk through changes in fair value. We are also exposed to market risk for interest rate swaps used to hedge interest rate risk. Changes in the fair value of AFS securities and in interest rate swaps that qualify as cash flow hedges are included in AOCI for each financial reporting period. During 2017,2019, the after-tax change in AOCI attributable to AFS securities decreasedincreased by $3$257 million, due largely to changes in the interest rate environment, compared with a $74$114 million decrease in the same prior year period.
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Market Risk – Equity Investments
Through our equity investment activities, we own equity securities that are publicly-traded.publicly traded. In addition, we own equity securities in companies and governmental entities, e.g., Federal Reserve Bank and an FHLB, that are not publicly-traded.publicly traded. The accounting for equity investments may use the cost, fair value, equity, or full consolidation methods of accounting, depending on our ownership position and degree of involvement in influencing the investees’ affairs. Regardless of the accounting method, the value of our investment is subject to fluctuation. Because the fair value of these securities may fall below our investment costs, we are exposed to the possibility of loss. Equity investments in private and public companies are approved, monitored, and evaluated by the Company’sBank’s Equity Investments Committee consisting of members of management.
We hold both direct and indirect investments in predominantly pre-public companies, primarily through various Small Business Investment Company (“SBIC”)SBIC venture capital funds. Our equity exposure to these investments was approximately $127$154 million and $124$132 million at December 31, 20172019 and December 31, 2016,2018, respectively. On occasion, some of the companies within our SBIC investments may issue an initial public offering. In this case, the fund is generally subject to a lockout period before liquidating the investment, which can introduce additional market risk. During the fourth quarter of 2017 we sold the remaining amount of our publicly-traded direct investment and as of December 31, 2017, we had no publicly-traded stocks as part of our direct SBIC investments.


Additionally, Amegy has an alternative investments portfolio. These investments are primarily directed towards equity buyout and mezzanine funds with a key strategy of deriving ancillary commercial banking business from the portfolio companies. Early stage venture capital funds are generally not a part of the strategy because the underlying companies are typically not creditworthy. The carrying value of Amegys equity investments was $12 million at December 31, 2017 and $13 million at December 31, 2016.
These PEIs are subject to the provisions of the Dodd-Frank Act. The Volcker Rule of the Dodd-Frank Act prohibits banks and bank holding companies from holding PEIs, except for SBIC funds and certain other permitted exclusions, beyond a required deadline. The FRB announced in December 2016 that it would allow banks to apply for an additional five-year extension beyond the July 21, 2017 deadline to comply with the Dodd-Frank Act requirement for these investments. The Company applied for and was granted an extension for its eligible PEIs. All positions in the remaining portfolio of PEIs are subject to the extended deadline or other applicable exclusions.
As of December 31, 2017, such prohibited PEIs amounted to $3 million, with an additional $4 million of unfunded commitments (see Notes 5 and 15 of the Notes to Consolidated Financial Statements for more information). We currently do not believe that this divestiture requirement will ultimately have a material impact on our financial statements.
Liquidity Risk Management
Overview
Liquidity risk is the possibility thatrefers to our capacity to meet our cash and collateral obligations and to manage both expected and unexpected cash flows may not be adequate to fund our ongoingwithout adversely impacting the operations or financial strength of the Bank. Sources of liquidity include both traditional forms of funding, such as deposits, borrowings, and meet our commitments in a timelyequity and cost-effective manner. unencumbered assets, such as marketable loans and securities.
Since liquidity risk is closely linked to both credit risk and market risk, many of the previously discussed risk control mechanisms also apply to the monitoring and management of liquidity risk. We manage our liquidity to provide adequate funds for our customers’ credit needs, or capital plan actions, and our anticipated financial and contractual obligations, which include withdrawals by depositors, debt and capital service requirements, and lease obligations.
Overseeing liquidity management is the responsibility of ALCO, which implements a Board-approved corporate Liquidity and Funding Policy. This policy addresses monitoring and maintaining adequate liquidity, diversifying funding positions, and anticipating future funding needs. The policy also includes liquidity ratio guidelines, such as the “time-to-required funding” and LCR,a 30-day liquidity coverage ratio, that are used to monitor the liquidity positions of the Parent and ZB, N.A.,Bank as well as various stress test and liquid asset measurements for the ParentBank. The Bank continues to perform liquidity stress tests and ZB, N.A.assess its portfolio of highly liquid assets (sufficient to cover 30-day funding needs under stress scenarios). At December 31 2019, our investment securities portfolio of $14 billion and cash and money market investments of $2 billion collectively comprised 24% of total assets.
The management of liquidity and funding is performed centrally for the Parent and jointly by the Parent and bank management for its subsidiary bank. The Treasury Department performs this management centrally, under the direction of the Corporate Treasurer, with oversight by ALCO. The Treasurer is responsible for recommending changes to existing funding plans, as well as to the Company’sBank’s Liquidity Policy. These recommendations must be submitted for approval to ALCO, and changes to the Policy also must be approved by the Company’sBank’s ERMC and the Board of Directors. The CompanyBank has adopted policy limits that govern liquidity risk. The policy requires the CompanyBank to maintain a buffer of highly liquid assets sufficient to cover cash outflows in the event of a severe liquidity crisis. The Company targets a bufferThroughout 2019 and as of December 31, 2019, the Bank complied with this policy.
Liquidity Regulation
Upon passage of the Economic Growth, Regulatory Relief and Consumer Protection Act, the Bank is no longer subject to the Enhanced Prudential Standards for liquidity management (Reg. YY). However, the Bank continues to perform liquidity stress tests and assess its portfolio of highly liquid assets at the Parent(sufficient to cover 18-24 months30-day funding needs under the stress scenarios). Although the Bank is no longer subject to the regulations of cash outflows under a scenario with limited cash inflows, and maintains a minimum policy limit of not less than 12 months. The consolidated Companythe Final LCR Rule, it exceeds the regulatory requirements of the Modified LCR that mandates a buffer of HQLAsecurities and other liquid assets to cover 70% of 30-day cash outflows under the assumptions mandated in the Final Liquidity Rule. Additionally, the Company performs monthly liquidity stress testing using a set of internally generated scenarios representing severe liquidity constraints over a 12-month horizon. ZB, N.A. maintains a buffer of highly liquid assets consisting of cash, U.S. Agency, and U.S. Government Sponsored Entity securities to cover 30-day cash outflows under liquidity stress tests and maintains a contingency funding plan to identify funding sources that would be utilized over the extended 12-month horizon. Throughout 2017 and as of December 31, 2017, the Company complied with this policy.therein.

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Liquidity Regulation
U.S. banking regulators issued a final rule in 2014 that implements a quantitative liquidity requirement in the U.S. generally consistent with the LCR minimum liquidity measure established under the Basel III liquidity framework. Under this rule, we are subject to a modified LCR standard, which requires a financial institution to hold an adequate amount of unencumbered HQLA that can be converted into cash easily and immediately in private markets to meet its liquidity needs for a short-term liquidity stress scenario. This rule became applicable to us on January 1, 2016.
The Basel III liquidity framework includes a second minimum liquidity measure, the NSFR, which requires a financial institution to maintain a stable funding profile over a one-year period in relation to the characteristics of its on- and off-balance sheet activities. On October 31, 2014, the Basel Committee on Banking Supervision issued its final standards for this ratio, entitled Basel III: The Net Stable Funding Ratio. On May 3, 2016, the FRB issued a proposal requiring bank holding companies with less than $250 billion of assets, but more than $50 billion of assets, to cover 70% of 1-year cash outflows under the assumptions required in the proposed NSFR Rule. Under the proposal, bank holding companies would be required to publicly disclose information about the NSFR levels each quarter. As of December 31, 2017, the FRB has not published final rules on the NSFR. We continue to monitor this proposal and any other developments. Based on this Basel III publication and the FRB proposal, we believe we would meet the minimum NSFR if such requirement were currently effective.
The Enhanced Prudential Standards for liquidity management (Reg. YY) require us to conduct monthly liquidity stress tests. These tests incorporate scenarios designed by us, require a buffer of highly liquid assets sufficient to cover 30-day funding needs under the stress scenarios, and are subject to review by the FRB. The Company’s internal liquidity stress testing program as contained in its policy complies with these requirements and includes monthly liquidity stress testing using a set of internally generated scenarios representing severe liquidity constraints over a 12-month horizon.
Contractual Obligations
Schedule 30 summarizes our contractual obligations at December 31, 2017.
Schedule 30
CONTRACTUAL OBLIGATIONS
(In millions)One year or less Over one year through three years Over three years through five years Over five years 
Indeterminable maturity 1
 Total
            
Deposits$2,584
 $388
 $142
 $1
 $49,506
 $52,621
Net unfunded commitments to extend credit6,227
 5,202
 3,361
 4,793
 
 19,583
Standby letters of credit:          

Financial461
 25
 54
 181
 
 721
Performance149
 46
 1
 
 
 196
Commercial letters of credit31
 
 
 
 
 31
Commitments to make venture and other noninterest-bearing investments 2
31
 
 
 
 
 31
Federal funds and other short-term borrowings4,976
 
 
 
 
 4,976
Long-term debt
 1
 
 382
 
 383
Operating leases, net of subleases40
 75
 54
 76
 
 245
Unrecognized tax benefits
 6
 
 
 
 6
Total contractual obligations$14,499
 $5,743
 $3,612
 $5,433
 $49,506
 $78,793
1
Indeterminable maturity deposits include noninterest-bearing demand, savings and money market.
2
Commitments to make venture and other noninterest-bearing investments do not have defined maturity dates. They have therefore been considered due on demand, maturing in one year or less.


In addition to the commitments specifically noted in Schedule 30, we enter into a number of contractual commitments in the ordinary course of business. These include software licensing and maintenance, telecommunications services, facilities maintenance and equipment servicing, supplies purchasing, and other goods and services used in the operation of our business. Generally, these contracts are renewable or cancelable at least annually, although in some cases to secure favorable pricing concessions, we have committed to contracts that may extend to several years.
We also enter into derivative contracts under which we are required either to receive or pay cash, depending on changes in interest rates. These contracts are carried at fair value on the balance sheet with the fair value representing the net present value of the expected future cash receipts and payments based on market rates of interest. The fair value of the contracts changes daily as interest rates change. See Note 7 of the Notes to Consolidated Financial Statements for further information on derivative contracts.
Liquidity Management Actions
ConsolidatedThe Bank’s consolidated cash, interest-bearing deposits held as investments, and security resell agreements at the Parent and its subsidiaries decreased to $1.6 billion at December 31, 2017 from $2.5were $1.8 billion at December 31, 2016. The $0.92019, compared with $2.4 billion at December 31, 2018, a decrease during 2017 resultedof $0.6 billion. During 2019 the uses of cash were primarily from (1) Net loan originations and purchases, (2) an increase in investment securities, (3) a net decrease in deposits, (4) repurchaseshort-term borrowings, (2) net loan originations, (3) repurchases of our common stock, (5) repayment of our long-term debt, (6) repurchase and redemption of our preferred stock, and (7)(4) dividends on common and preferred stock. These decreasesThe sources of cash during this same period were partially offset by short-term FHLB borrowingsprimarily from (1) a net increase in deposits, (2) a net decrease in investment securities, (3) the issuance of long-term debt, and (4) net cash provided by operating activities.
The Bank’s core deposits, consisting of noninterest-bearing demand deposits, savings and money market deposits, and time deposits under $250,000, were $54.8 billion at December 31, 2019, compared with $51.2 billion at December 31, 2018. Total deposits were $57.1 billion at December 31, 2019, compared with $54.1 billion at December 31, 2018. The $3.0 billion increase during 2019 was primarily a result of a $2.6 billion and $0.4 billion increase in savings and money market deposits and time deposits, respectively.
During 20172019, the Bank issued $500 million of senior notes with an interest rate of 3.35% and a maturity date of March 4, 2022 and $500 million of subordinated notes with an interest rate of 3.25% and a maturity date of October 29, 2029. The Bank subsequently entered into receive-fixed interest rate swaps for the notes. The notes and swaps constitute qualifying fair value hedging relationships. For more information on derivatives designated as qualifying cash flow and fair value hedges, see Note 7 – Derivative Instruments and Hedging Activities. At December 31, 2019, maturities of our HTMlong-term senior and AFS investment securitiessubordinated debt ranged from August 2021 to October 2029.
The Bank’s cash payments for interest, reflected in operating expenses, increased by $1.7 billion. This increase wasto $401 million during 2019 from $237 million during 2018 primarily due to purchases of short-to-medium duration agency guaranteed mortgage-backed securities. Prior to the second quarter of 2017, we were adding to our investment portfolio during the past couple of years toan increase our HQLA position in light of the new LCR rules and more broadly, to manage balance sheet liquidity more effectively. However, during the second through the fourth quarters of 2017, our HTM and AFS investment securities decreased by $490 million, and we expect the size of the investment portfolio to be generally stable during the next several quarters.
During 2017 we made cash payments totaling $153 million for our long-term debt which matured and did not incur any new long-term debt during the same time period. See Note 12 for additional detail about debt maturities and redemptions during 2017 and 2016. During 2017, we also increased our short-term debt with the FHLB by $3.1 billion, and had $3.6 billion outstanding as of December 31, 2017.
Parent Company Liquidity – The Parent’s cash requirements consist primarily of debt service, investments in and advances to subsidiaries, operating expenses, income taxes, and dividends to preferred and common shareholders. The Parent’s cash needs are usually met through dividends from its subsidiaries, interest and investment income, subsidiaries’ proportionate shares of current income taxes,deposits and long-term debt and equity issuances.
Cash and interest-bearing deposits held as investments atan increase in the Parent decreased to $332rate paid on borrowed funds. Additionally, the Bank paid approximately $260 million at December 31, 2017 from $531 million at December 31, 2016. This $199 million decrease during 2017 resulted primarily from (1) repurchase of our common stock, (2) repayment of long-term debt, (3) repurchase and redemption of ourtotal dividends on preferred stock and (4) dividends on our common and preferred stock. This decreasestock during 2019, compared with $236 million during 2018. Dividends paid per common share have increased gradually from $0.20 in cash was partially offset bythe first quarter of 2018 to $0.34 in the fourth quarter of 2019. In February 2020, the Board approved a quarterly common dividends and returndividend of common equity and preferred dividends received by the Parent from its subsidiary bank. See Notes 12 and 13 of the Notes to Consolidated Financial Statements for additional information about our long-term debt and equity transactions.
During 2017, the Parent received common dividends and return of common equity totaling $534 million and preferred dividends totaling $53 million from its subsidiary bank. During 2016 the Parent received common dividends and return of common equity totaling $250 million and preferred dividends totaling $13 million from its subsidiary bank. At December 31, 2017, ZB, N.A., had $417 million available for the payment of dividends under current capital regulations. The dividends that ZB, N.A. can pay are restricted by current and historical earning levels, retained earnings, and risk-based and other regulatory capital requirements and limitations.


$0.34 per share.
General financial market and economic conditions impact our access to and cost of external financing. Access to funding markets for the Parent and its subsidiary bankBank is also directly affected by the credit ratings received from various rating agencies. The ratings not only influence the costs associated with the borrowings, but can also influence the sources of the borrowings. The debt ratings and outlooks issued byAll of the variouscredit rating agencies forrate the Company and ZB, N.A.Bank’s debt at an investment-grade level. The Bank’s credit ratings improved slightly during 20172019 and are shownpresented in the following schedules.schedule.
Schedule 31 presents the Company’s and ZB, N.A.’s ratings as of December 31, 2017.
Schedule 3134
CREDIT RATINGS
as of December 31, 2019:CompanyZB, N.A.CompanyZB, N.A.CompanyZB, N.A.
Rating agencyOutlook Long-term issuer/senior
debt rating
Subordinated debt ratingShort-term debt rating
S&PKrollPositiveStablePositiveA-BBB-BBBBBB+BB+A-2K2
Moody’sS&PStableStableBBB+Baa3Baa3BBBP-2NR
KrollFitchPositiveStablePositiveBBB+BBBBBB+BBBBBB-F1
Moody'sK2StableBaa2NRNR
The credit rating agencies all rate the Company’s and ZB, N.A.’s senior debt at an investment-grade level. In addition, Kroll rates the Company’s subordinated debt at an investment-grade level, while S&P rates the Company’s subordinated debt as noninvestment-grade.
The Parent’s cash payments for interest, reflected in operating expenses, decreased to $26 million in 2017 from $35 million in 2016 due to the maturity and repayment of long-term debt during 2017 and 2016, partially offset by the increase in interest from short-term FHLB advances. Additionally, the Parent paid approximately $129 million of total dividends on preferred stock and common stock for 2017 compared to $108 million for 2016.
Note 22 of the Notes to Consolidated Financial Statements contains the Parent’s statements of income and cash flows for 2017, 2016 and 2015, as well as its balance sheets at December 31, 2017 and 2016.
At December 31, 2017, maturities of our long-term senior and subordinated debt ranged from June 2023 to September 2028, with effective interest rates from 4.50% to 6.95%.
See Note 12 of the Notes to Consolidated Financial Statements for a complete summary of our long-term debt.
Subsidiary Bank Liquidity – ZB, N.A.’s primary source of funding is its core deposits, consisting of demand, savings and money market deposits, and time deposits under $250,000. On a consolidated basis, the Company’s loan to total deposit ratio was 85.1% as of December 31, 2017, compared to 80.1% as of December 31, 2016, reflecting loan growth and a decrease in deposits during 2017.
Total deposits decreased by $615 million to $52.6 billion at December 31, 2017, compared to $53.2 billion at December 31, 2016. This decrease was a result of a $744 million decrease in savings and money market deposits and a $229 million decrease in noninterest-bearing demand deposits. The decrease was partially offset by a $358 million increase in time deposits. Also, during the first quarter of 2017, ZB, N.A. redeployed approximately $2.6 billion of cash to short-to-medium duration agency guaranteed mortgage-backed securities.
ZB, N.A.’s long-term senior debt ratings are slightly better than the Company’s long-term senior debt ratings. Moody’s rated both ZB, N.A.’s and the Company’s long-term senior debt as Baa3. However, Standard & Poor’s and Kroll both rated ZB, N.A.’s long-term senior debt one notch higher than the Company’s ratings (see Schedule 31).
The FHLB system and Federal Reserve Banks have been and are a source of back-up liquidity and from time to time, have been a significant source of funding. ZB,Zions Bancorporation, N.A. is a member of the FHLB of Des Moines. The FHLB allows member banks to borrow against their eligible loans and securities to satisfy liquidity and funding requirements. The Bank is required to invest in FHLB and Federal Reserve stock to maintain their borrowing capacity.


At December 31, 2017,2019, the amount available for additional FHLB and Federal Reserve borrowings was approximately $14.7$15.3 billion, compared with $17.1$13.8 billion at December 31, 2016.2018. Loans with a carrying value of approximately $25.6$21.5 billion at December 31, 20172019 have been pledged at the FHLB of Des Moines and the Federal Reserve as collateral for current and potential borrowings compared with $24.0 billion$22.6 million at December 31, 2016.2018. At
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December 31, 2017,2019, we had $3.6$1.0 billion of short-term FHLB borrowings outstanding and no long-term FHLB or Federal Reserve borrowings outstanding, compared with $500 million$4.5 billion of short-term FHLB borrowings and no long-term FHLB or Federal Reserve borrowings outstanding at December 31, 2016.2018. At December 31, 2017,2019, our total investment in FHLB and Federal Reserve stock was $154$50 million and $184$107 million, respectively, compared with $30$190 million and $181$139 million at December 31, 2016. Our increased investment in FHLB stock was a result of our increase in short-term FHLB borrowings during 2017.2018.
Our investment activities can provide or use cash, depending on the asset-liability management posture taken. During 2017, HTM & AFS investment securities’securities are primarily held as a source of contingent liquidity. We target securities that can be easily turned into cash through sale or repurchase agreements and whose value remains relatively stable during market disruptions. We regularly manage our short-term funding needs through secured borrowing with the securities pledged as collateral. Interest rate risk management is another consideration for selection of investment securities. Our AFS securities balances decreased by $1.0 billion during 2019.
The Bank’s loan to total deposit ratio has remained consistent and was 85% at December 31, 2019, compared with 86% at December 31, 2018, indicating higher deposit growth than loan growth during 2019. In recent years loan growth has generally outpaced deposit growth. If our operating and investing activities, resultedincluding deposit activity, do not provide the loan funding required, the Bank will rely on more expensive wholesale funding for a portion of its loan growth. Our use of average borrowed funds (both short- and long-term) increased by $858 million during 2019 as our average deposit growth, decrease in a net increase in investmentAFS securities, and a net $2.2 billion decrease in cash compared with a net $5.9 billion decrease in cash for 2016.
Maturing balances in our subsidiary bank’soperating activities only partially funded loan portfolios also provide additional flexibility in managing cash flows. Lending activity for both 2017 and 2016 resulted in a net cash outflow of $2.1 billion.
growth over the period. During 2017,2019, we paid income taxes of $246$233 million, compared to $214with $207 million during 2016.2018.
We may also, from time to time, issue additional preferred stock, senior or subordinated notes or other forms of capital or debt instruments, depending on our capital, funding, asset-liability management or other needs as market conditions warrant and subject to any required regulatory approvals. Management believes that the sources of available liquidity are adequate to meet all reasonably foreseeable short-term and intermediate-term demands.
Contractual Obligations
Schedule 35 summarizes our contractual obligations at December 31, 2019.
Schedule 35
CONTRACTUAL OBLIGATIONS
(In millions)One year or lessOver one year through three yearsOver three years through five yearsOver five years
Indeterminable maturity 1
Total
Deposits$4,050  $556  $113  $—  $52,366  $57,085  
Net unfunded commitments to extend credit6,303  6,873  3,517  6,406  —  23,099  
Standby letters of credit:
Financial471  150    —  631  
Performance171  19   —  —  192  
Commercial letters of credit —  —  —  —   
Commitments to make venture and other noninterest-bearing investments 2
—  —  —  —  47  47  
Federal funds and other short-term borrowings2,053  —  —  —  —  2,053  
Long-term debt 3
—  997  131  585  —  1,713  
Operating leases, net of subleases50  84  56  99  —  289  
Total contractual obligations$13,103  $8,679  $3,822  $7,097  $52,413  $85,114  
1Indeterminable maturity deposits include noninterest-bearing demand, savings and money market.
2Commitments to make venture and other noninterest-bearing investments do not have defined maturity dates. They are due upon demand and may be drawn immediately, or as late as after five years. Therefore, these commitments are shown as having indeterminable maturities.
3The maturities on long-term debt do not include the associated hedges.
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In addition to the commitments specifically noted in Schedule 35, we enter into a number of contractual commitments in the ordinary course of business. These include software licensing and maintenance, telecommunications services, facilities maintenance and equipment servicing, supplies purchasing, and other goods and services used in the operation of our business. Some of these contracts are renewable or cancellable at least annually, and in certain cases, to secure favorable pricing concessions, we have committed to contracts that may extend to several years.
We also enter into derivative contracts under which we are required either to receive or pay cash, depending on changes in interest rates. These contracts are carried at fair value on the balance sheet with the fair value representing the net present value of the expected future cash receipts and payments based on market rates of interest. The fair value of the contracts changes daily as interest rates change. See Note 7 of the Notes to Consolidated Financial Statements for further information on derivative contracts.
Operational Risk Management
Operational risk is the risk to current or anticipated earnings or capital arising from inadequate or failed internal processes or systems, human errors or misconduct, or adverse external events. In our ongoing efforts to identify and manage operational risk, we have an ERM department whose responsibility is to help employees, management and the Board of Directors to assess, understand, measure, manage, and monitor risk in accordance with our Risk Appetite Framework. We have documented both controls and the Control Self-Assessment related to financial reporting under the 2013 framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (“COSO”) and the FDICIA.
To manage and minimize our operational risk, we have in place transactional documentation requirements; systems and procedures to monitor transactions and positions; systems and procedures to detect and mitigate attempts to commit fraud, penetrate our systems or telecommunications, access customer data, and/or deny normal access to those systems to our legitimate customers; regulatory compliance reviews; and periodic reviews by the Company’sBank’s Compliance Risk Management, Internal Audit and Credit Examination departments. Reconciliation procedures have been established to ensure that data processing systems consistently and accurately capture critical data. In addition, the Data Governance department has key governance surrounding data integrity and availability.availability oversight. Further, we have key programs and procedures to maintain contingency and business continuity plans for operational support in the event of natural or other disasters. We also mitigate certain operational risks through the purchase of insurance, including errors and omissions and professional liability insurance.
We are continually improving our oversight of operational risk, including enhancement of risk identification, risk and control self-assessments, and antifraud measures, which are reported on a regular basis to enterprise management committees. The Operational Risk Management Committee reports to the ERMC, which reports to the ROC. Key measures have been established in line with our Risk Management Framework to increase oversight by ERM and Operational Risk Management through the strengthening of new initiative reviews, and enhancements to the Enterprise Procurement and Third Party Risk Management framework, enhancementsManagement. We also continue to enhance and strengthen the Business Continuity and Disaster Recovery programs, and Enterprise Security programs, and the establishment of Fraud Risk Oversight, Incident Response Oversight and Technology Project Oversight programs. reporting.
Significant enhancements have also been made to governance, technology and reporting, including the establishment of Policy and Committee Governance programs, the implementation of a governance, risk and control solution, and the creation of an Enterprise Risk Profile and an Operational Risk Profile along with business line risk profiles.Profile. In addition, the establishment of an Enterprise ExamExamination Management department has standardized our response and reporting, and increased our effectiveness and efficiencies with regulatory examinations,examination, communications and issues management.


The number and sophistication of attempts to disrupt or penetrate our critical systems, sometimes referred to as hacking, cyber fraud, cyber attacks, cyber terrorism,cyberattacks, or other similar names also continuecontinues to grow. GivenTo combat the importance andever increasing sophistication of cyberattacks, we have upgraded key detection software and expanded the number of staff and expertise to monitor and manage cyberattacks. In addition, we have elevated our oversight, internal reporting to the Board and respective
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committees. We have also implemented an advisory group made up of cyber attacks, the Company has designated cyber risk a level one riskindustry and academic experts to assist us in its risk taxonomy, which places it at the highest level of oversight with its other top risks.better managing this critical risk.
CAPITAL MANAGEMENT
Overview
The Board of Directors is responsible for approving the policies associated with capital management. The Board has established the Capital Management Committee (“CMC”), chaired by the Chief Financial Officer and consisting of members of management, whose primary responsibility is to recommend and administer the approved capital policies that govern the capital management of the Company and its subsidiary bank.Bank. Other major CMC responsibilities include:
Setting overall capital targets within the Board-approved capital policy, monitoring performance compared towith the Company’sBank’s Capital Policy limits, and recommending changes to capital including dividends, common stock issuances and repurchases, subordinated debt, and changes in major strategies to maintain the Company and its subsidiary bankBank at well-capitalized levels;
Maintaining an adequate capital cushion to withstand adverse stress events while continuing to meet the borrowing needs of its customers, and to provide reasonable assurance of continued access to wholesale funding, consistent with fiduciary responsibilities to depositors and bondholders; and
Reviewing agency ratings of the Company and ZB, N.A.Bank.
The CompanyBank has a fundamental financial objective to consistently produce superior risk-adjusted returns on its shareholders’ capital. We believe that a strong capital position is vital to continued profitability and to promoting depositor and investor confidence. Specifically, it is the policy of the Parent and ZB, N.A.Bank to:
Maintain sufficient capital to support current needs;
Maintain an adequate capital cushion to withstand future adverse stress events while continuing to meet borrowing needs of its customers; and
Meet fiduciary responsibilities to depositors and bondholders while managing capital distributions to shareholders through dividends and repurchases of common stock so as to be consistent with Federal Reserve guidelines SR 09-04 and 12 U.S.C §§ 56 and 60.
Capital Planning and Stress TestingMerger of Bank Holding Company into Bank
The CMC overseesOn September 30, 2018, the Company’s capital stress testing under a varietyBank completed the merger of adverse economic and market scenarios. We have established processes to periodically conduct stress tests to evaluate potential impacts to the Company under hypothetical economic scenarios. These stress tests facilitate our contingency planning and management of capital and liquidity within quantitative limits reflecting the Board of Directors’ risk appetite. These processes are also used to complete the Company’s DFAST as required by the Dodd-Frank Act, and HCR/CCAR as required by the Federal Reserve.
Filing a capital plan with the Federal Reserve based on stress testing and documented sound policies, processes, models, controls, and governance practices, and the subsequent review by the Federal Reserve, is an annual regulatory requirement. This capital plan, which is subject to objection by the Federal Reserve, governs all of the Company’s capital and significant unsecured debt financing actions for a period of five quarters. Among the actions governed by the capital plan are the repurchase of outstanding capital securities and the timing of new capital issuances, and whether the Company can pay or increase dividends. Any such action not included in a capital plan to which the Federal Reserve has not objected cannot be executed without submission of a revised stress test and capital plan for Federal Reserve review and non-objection; de minimis changes are allowed without a complete plan resubmission, subject to receipt of a Federal Reserve non-objection. Regulations require Company disclosure of these stress tests results.


As aZions Bancorporation, its former bank holding company, with, assets greater than $50 billion, we are requiredand into the Bank, formerly known as ZB, N.A. in order to reduce organizational complexity. The restructuring eliminated the bank holding company structure and associated regulatory framework, and resulted in ZB, N.A. being renamed Zions Bancorporation, National Association, and becoming the top-level entity within our corporate structure. The Bank’s primary regulator is now the OCC. The Bank continues to be subject to examinations by the CFPB with respect to consumer financial regulations. Under the National Bank Act and OCC regulations, certain capital transactions may be subject to the approval of the OCC.
Stress Testing
As a result of the Financial Stability Oversight Council’s action on September 12, 2018 and the merger of the holding company into the Bank, the Bank is no longer considered a systemically important financial institution under the Dodd-Frank ActAct. The Bank has experienced greater flexibility in the active management of shareholders’ equity. The Bank continues to participate in annualutilize stress testing as the primary mechanism to inform its decisions on the appropriate level of capital and capital actions, based upon actual and hypothetically-stressed economic conditions. The results of our internal stress tests known asare publicly available on the DFAST. In addition, we are requiredBank's website. The timing and amount of capital actions will be subject to participate invarious factors, including the Federal Reserve Board’s annual HCR/CCAR for largeBank's financial performance, business needs, prevailing and non-complex firms (generally, bank holding companies, with assets between $50anticipated economic conditions, and OCC approval.
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Common Stock and Common Stock Repurchases
Common stock and additional paid-in capital decreased $1.1 billion, and $250 billion). In our capital plan, we are requiredor 28%, from December 31, 2018 to forecast, under a varietyDecember 31, 2019, primarily due to $1.1 billion of economic scenarios, our estimated regulatory capital ratios and our GAAP tangible common equity ratio.
A detailed discussion of HCR/CCAR/DFAST requirements is contained on page 11 of the “Capital Plan and Stress Testing” section under Part 1, Item 1 in this Annual Report on Form 10-K.
We submitted our stress test results and 2017 capital plan to the FRB on April 5, 2017. On June 28, 2017, the Board of Governors of the Federal Reserve System notified Zions Bancorporation that the Federal Reserve does not object to Zions Bancorporation’s Board-approved 2017 capital plan. Our capital plan for the period spanning July 1, 2017 through June 30, 2018 includes up to $465 million ofBank common stock repurchases and approximately $140of 23.5 million of common stock dividends as follows.
Increasing the quarterly common dividend to $0.24 per share by the second quarter of 2018 following the path of:
$0.12 per share in the third quarter of 2017
$0.16 per share in the fourth quarter of 2017
$0.20 per share in the first quarter of 2018
$0.24 per share in the second quarter of 2018
Capital actions are subject to final approval by Zions Bancorporation’s board of directors, and may be influenced by, among other things, actual earnings performance, business needs and prevailing economic conditions.
On June 22, 2017, we filed a Form 8-K presenting the results of the 2017 DFAST exercise. The results of Zions’ published stress tests demonstrate that the Company believes it has sufficient capital to withstand a severe hypothetical economic downturn. Detailed disclosure of the stress test results can be found on our website.
On June 29, 2016, we filed a Form 8-K announcing that the FRB did not object to our 2016 capital plan (which spans the timeframe of July 31, 2016 to June 30, 2017). The plan included (1) the increase of the quarterly common dividend to $0.08 per share beginning in the third quarter of 2016, (2) up to $180 million in total repurchases of common equity and (3) up to $144 million in total repurchases of preferred equity.
As planned, our quarterly dividend on common stock increased to $0.16 per share during the fourth quarter of 2017. As of December 31, 2017, the Company has repurchased $230 million of its common stockshares from publicly announced plans at an average price of $47.42$46.80 per share.
The level of common stock repurchases we executed during 2019 will moderate in the near term as we approach our target capital amounts and ratios. The Bank expects to maintain the appropriate amount of capital to cover inherent risk, while distributing excess capital to shareholders through dividends and share underrepurchases. The timing and amount of additional common share repurchases will be subject to various factors, including the 2017Bank's financial performance, business needs, prevailing economic conditions, and OCC approval. The magnitude, timing and form of capital return will be determined by the Board. Shares may be repurchased occasionally in the open market, through privately negotiated transactions, utilizing Rule 10b5-1 plans or otherwise. In February 2020, the Bank announced that the Board approved a plan and $180to repurchase $75 million of its common stock at an average price of $35.66 per share under the 2016 capital plan.
Duringduring the first quarter of 2018,2020.
Schedule 36
CAPITAL DISTRIBUTIONS
(Dollar amounts in millions)201920182017
Common dividends paid$226  $202  $89  
Bank common stock repurchased – from publicly announced plans1,100  670  320  
Total capital distributed to common shareholders$1,326  $872  $409  
Capital distributed as a percentage of net earnings applicable to common shareholders170 %103 %74 %
The Bank paid common dividends of $226 million, or $1.28 per share, during 2019, compared with $202 million, or$1.04 per share, during 2018. In February 2020, the Company repurchased anBoard of Directors declared a quarterly dividend of 0.34 per common share payable on February 20, 2020 to shareholders of record on February 13, 2020. We paid dividends on preferred stock of $34 million during both 2019 and 2018. See Note 14 for additional $115 milliondetail about capital management transactions during 2019.
Total shareholders’ equity decreased slightly and was $7.4 billion at December 31, 2019, compared with $7.6 billion at December 31, 2018. This decrease was primarily a result of its$1.1 billion from repurchases of Bank common stock atand $260 million from common and preferred dividends paid. These decreases were partially offset by net income of $816 million and $293 million from an averageincrease in the fair value of our AFS securities due largely to changes in the interest rate environment
During 2017 through 2019, the market price of $53.46our common stock was higher than the exercise price of common stock warrants on our common stock and had a dilutive effect upon earnings per share. The exercise of the common stock warrants is cashless as the warrants are settled on a net share leaving $120 millionbasis, and will increase average basic shares. The impact of repurchase capacity remainingthe common stock warrants is already considered in the 2017 capital plan (which spansaverage dilutive shares. As of December 31, 2019, the timeframeBank had 29.3 million ZIONW warrants outstanding with an exercise price of July 2017 to June 2018).
Also in accordance with our 2016 capital plan, we redeemed all outstanding$33.91 which expire on May 22, 2020. During 2018, 1.8 million shares of common stock were issued from the cashless exercise of 5.8 million ZIONZ common stock warrants which expired on November 14, 2018.
The following schedule presents the diluted shares from the remaining common stock warrants at various Zions Bancorporation, N.A. common stock market prices as of December 31, 2019, excluding the effect of changes in exercise cost and warrant share multiplier from the future payment of common stock dividends.
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Schedule 37
IMPACT OF COMMON STOCK WARRANTS
Assumed Zions Bancorporation, N.A. Common Stock Market Price  Diluted Shares (000s) 
$30.00  
35.00  3,251
40.00  6,794  
45.00  9,549
50.00  11,754  
55.00  13,557  
60.00  15,060  
65.00  16,332  
See Note 14 of the Notes to Consolidated Financial Statements for more information on our 7.9% Series F preferredcommon stock on the redemption date of June 15, 2017.warrants.
Basel III
In 2013, the FRB, FDIC, and OCC published final rules (the “Basel III Capital Rules”) establishing a new comprehensive capital framework for U.S. banking organizations. The rules implemented the Basel Committee’s December 2010 framework, commonly referredBank is subject to as Basel III, for strengthening international capital standards as well as certain provisions of the Dodd-Frank Act. The Basel III capital rules became effective for the Company on January 1, 2015 and were subjectrequirements to phase-in periods for certainmaintain adequate levels of their components. In November 2017, the FRB, FDIC and OCC published a final rule for non-advanced approaches banks that extends the regulatory capital


treatment applicable during 2017 under the as measured by several regulatory capital rules for certain items.ratios. We met all capital adequacy requirements under the Basel III Capital Rules as of December 31, 2017.
A detailed discussion of Basel III requirements, including implications for2019. The following schedule presents the Company, is contained on page 10 of the “Capital Standards – Basel Framework” section under Part 1, Item 1 in this Annual Report on Form 10-K.
Capital Management Actions
Total shareholders’ equity increased by $45 million to $7.7 billion at December 31, 2017 from $7.6 billion at December 31, 2016. The increase in total shareholders’ equity is primarily due to net income of $592 million. This increase is partially offset by repurchases of our common stock under our repurchase program totaling $320 million, $144 million paid to redeem our Series F preferred stock,Bank’s capital and common and preferred dividends of $129 million.
During the latter part of 2016 and throughout 2017, the market price of our common stock increased above the exercise price of common stock warrants on our common stock. Asperformance ratios as of December 31, 2017 we have 29.3 million common stock warrants at an exercise price2019, December 31, 2018 and December 31, 2017. The Supervision and Regulation section of $35.37 which expirethe 2019 Form 10-K on May 22, 2020page 6 and 5.8 million common stock warrants at an exercise price of $36.27 per share which expire on November 14, 2018. See Note 1315 of the Notes to Consolidated Financial Statements forcontain more detail information on our common stock warrants. The increase inabout Basel III capital requirements and the market price of our common stock increased our diluted shares throughout 2017 and for the fourth quarter of 2016, but did not effect on our diluted shares for the full 2016 year.
Between January 1, 2018 and February 20, 2018, 1.0 million shares of common stock were issued from the cashless exercise of 3.2 million common stock warrants which expire on November 14, 2018. After these common stock warrant exercises, 29.3 million and 2.6 million common stock warrants, which expire on May 22, 2020 and November 14, 2018, respectively, remain outstanding.Bank's compliance.
Schedule 32 presents the diluted shares from the remaining common stock warrants at various Zions Bancorporation common stock market prices as of February 20, 2018, excluding the effect of changes in exercise cost and warrant share multiplier from the future payment of common stock dividends.
Schedule 32
IMPACT OF COMMON STOCK WARRANTS
Assumed Zions Bancorporation Common Stock Market Price Diluted Shares (000s)
$35.00
 0
40.00
 4,684
45.00
 7,825
50.00
 10,338
55.00
 12,394
60.00
 14,107
65.00
 15,557
The common dividend rate was increased to $0.16 per share during the fourth quarter of 2017. We paid $89 million in dividends on common stock during 2017, compared to $58 million during 2016. During its January 2018 meeting, the Board of Directors declared a dividend of $0.20 per common share payable on February 22, 2018 to shareholders of record on February 15, 2018.
We paid preferred stock dividends of $40 million and $50 million during 2017 and 2016, respectively. We also recorded a reductions of $2 million and $10 million to net earnings applicable to common shareholders as a result of the preferred stock redemptions during 2017 and 2016.


Banking organizations are required by capital regulations to maintain adequate levels of capital as measured by several regulatory capital ratios. The Company’s capital ratios as of December 31, 2017, 2016, and 2015 are shown in Schedule 33.
Schedule 3338
CAPITAL AND PERFORMANCE RATIOS
December 31,
2019
December 31,
2018
December 31,
2017
Tangible common equity ratio1
8.5 %8.9 %9.3 %
Tangible equity ratio1
9.3 %9.7 %10.2 %
Average equity to average assets10.8 %11.4 %12.0 %
Basel III risk-based capital ratios2:
Common equity tier 1 capital (to risk-weighted assets)10.2 %11.7 %12.1 %
Tier 1 capital (to average assets, or Tier 1 leverage)9.2 %10.3 %10.5 %
Tier 1 capital (to risk-weighted assets)11.2 %12.7 %13.2 %
Total capital (to risk-weighted assets)13.2 %13.9 %14.8 %
Return on average common equity11.2 %12.1 %7.7 %
Return on average tangible common equity1
13.1 %14.2 %9.0 %
 2017 2016 2015
      
Tangible common equity ratio1
9.3% 9.5% 9.6%
Tangible equity ratio1
10.2
 10.6
 11.1
Average equity to average assets12.0
 12.8
 13.0
Basel III risk-based capital ratios2:
     
Common equity tier 1 capital12.1
 12.1
 12.2
Tier 1 leverage10.5
 11.1
 11.3
Tier 1 risk-based13.2
 13.5
 14.1
Total risk-based14.8
 15.2
 16.1
Return on average common equity7.7
 6.0
 3.8
Return on average tangible common equity1
9.0
 7.1
 4.6
1See “GAAP to Non-GAAP Reconciliations” on page 27 for more information regarding these ratios.
1
See “GAAP to Non-GAAP Reconciliations” on page 29 for more information regarding these ratios.
2
2Based on the applicable phase-in periods.
Note 14 of the Notes to Consolidated Financial Statements provides additional information on risk-based capital.applicable phase-in periods.
At December 31, 2017,2019, Basel III regulatory tier 1 risk-based capital and total risk-based capital was $6.8$6.3 billion and $7.6$7.4 billion, respectively, compared with $6.7$6.8 billion and $7.6$7.4 billion, respectively, at December 31, 2016.2018.
CRITICAL ACCOUNTING POLICIES AND SIGNIFICANT ESTIMATES
Note 1 of the Notes to Consolidated Financial Statements contains a summary of the Company’sBank’s significant accounting policies. Discussed below are certain significant accounting policies that we consider critical to the Company’sBank’s financial statements. These critical accounting policies were selected because the amounts affected by them are significant to the financial statements. Any changes to these amounts, including changes in estimates, may also be significant to the financial statements. We believe that an understanding of these policies, along with the related estimates we are required to make in recording the financial transactions of the Company,Bank, is important to have a complete picture of the Company’s
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Bank’s financial condition. In addition, in arriving at these estimates, we are required to make complex and subjective judgments, many of which include a high degree of uncertainty. The following discussion of these critical accounting policies includes the significant estimates related to these policies. We have discussed each of these accounting policies and the related estimates with the Audit Committee of the Board of Directors.
We have included, where applicable in this document, sensitivity schedules and other examples to demonstrate the impact of the changes in estimates made for various financial transactions. The sensitivities in these schedules and examples are hypothetical and should be viewed with caution. Changes in estimates are based on variations in assumptions and are not subject to simple extrapolation, as the relationship of the change in the assumption to the change in the amount of the estimate may not be linear. In addition, the effect of a variation in one assumption is in reality likely to cause changes in other assumptions, which could potentially magnify or counteract the sensitivities.
Fair Value Estimates
We measure or monitor many of our assets and liabilities on a fair value basis. Fair value is the price that could be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants. To increase consistency and comparability in fair value measurements, GAAP has established a three-level hierarchy to prioritize the valuation inputs among (1) observable inputs that reflect quoted prices in active markets, (2) inputs


other than quoted prices with observable market data, and (3) unobservable data such as the Company’sBank’s own data or single dealer nonbinding pricing quotes.
When observable market prices are not available, fair value is estimated using modeling techniques such as discounted cash flow analysis. These modeling techniques use assumptions that market participants would consider in pricing the asset or the liability, including assumptions about the risk inherent in a particular valuation technique, the effect of a restriction on the sale or use of an asset, the life of the asset and applicable growth rate, the risk of nonperformance, and other related assumptions.
The selection and weighting of the various fair value techniques may result in a fair value higher or lower than the carrying value.value of the item being valued. Considerable judgment may be involved in determining the amount that is most representative of fair value.
For assets and liabilities recorded at fair value, the Company’sBank’s policy is to maximize the use of observable inputs and minimize the use of unobservable inputs when developing fair value measurements for those items where there is an active market. In certain cases, when market observable inputs for model-based valuation techniques may not be readily available, the CompanyBank is required to make judgments about the assumptions market participants would use in estimating the fair value of the financial instrument. The models used to determine fair value adjustments are regularly evaluated by management for relevance under current facts and circumstances.
Changes in market conditions may reduce the availability of quoted prices or observable data. For example, reduced liquidity in the capital markets or changes in secondary market activities could result in observable market inputs becoming unavailable. When market data is not available, the CompanyBank uses valuation techniques requiring more management judgment to estimate the appropriate fair value.
Fair value is used on a recurring basis for certain assets and liabilities in which fair value is the primary measure of accounting. Fair value is used on a nonrecurring basis to measure certain assets or liabilities (including HTM securities, loans held for sale, and OREO) for impairment or for disclosure purposes in accordance with current accounting guidance.
Impairment analysis also relates to long-lived assets, goodwill, and core deposit and other intangible assets. An impairment loss is recognized if the carrying amount of the asset is not likely to be recoverable and exceeds its fair value. In determining the fair value, management uses models and applies the techniques and assumptions previously discussed.
Investment securities are valued using several methodologies, which depend on the nature of the security, availability of current market information, and other factors. Investment securities in an unrealized loss position are
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formally reviewed on a quarterly basis for the presence of other-than-temporary impairment (“OTTI”). OTTI is considered to have occurred if the instrument’s fair value is below its amortized cost and (1) we intend to sell the security, or (2) it is “more likely than not” we will be required to sell the security before recovery of its amortized cost basis, or (3) the present value of expected cash flows is not sufficient to recover the entire amortized cost basis. The “more likely than not” criterion is a lower threshold than the “probable” criterion.
Notes 1, 3, 5, 7, 9, and 310 of the Notes to Consolidated Financial Statements and the “Investment Securities Portfolio” on page 5049 contain further information regarding the use of fair value estimates.
Allowance for Credit Losses
The ACL includes the ALLL and the RULC. The ALLL represents management’s estimate of probable losses believed to be inherent in the loan portfolio. The determination of the appropriate level of the allowance is based on periodic evaluations of the portfolios. This process includes both quantitative and qualitative analyses, as well as a qualitative review of the results. The qualitative review requires a significant amount of judgment, and is described in more detail in Note 6 of the Notes to Consolidated Financial Statements.


The RULC provides for potential losses associated with off-balance sheet lending commitments and standby letters of credit. The reserve is estimated using the same procedures and methodologies as for the ALLL, plus assumptions regarding the probability and amount of unfunded commitments being drawn.
Although we believe that our processes for determining an appropriate level for the allowance adequately address the various components that could potentially result in credit losses, the processes and their elements include features that may be susceptible to significant change. Any unfavorable differences between the actual outcome of credit-related events and our estimates could require an additional provision for credit losses.As an example, if the probability of default risk grade for all pass-graded commercial and CRE loans was immediately downgraded one grade on our internal risk gradingrisk-grading scale, the quantitatively determined amount of the ALLL at December 31, 20172019 would increase by approximately $105$90 million. This sensitivity analysis is hypothetical and has been provided only to indicate the potential impact that changes in risk grades may have on the allowance estimate.
Although the qualitative process is subjective, it represents the Company’sBank’s best estimate of qualitative factors impacting the determination of the ACL. We believe that given the procedures we follow in determining the ACL, the various components used in the current estimation processes are appropriate.
Note 6 of the Notes to Consolidated Financial Statements and “Credit Risk Management” on page 5654contains further information and more specific descriptions of the processes and methodologies used to estimate the ACL.
On January 1, 2020, we adopted CECL and recorded an ACL for loans and leases of $526 million, resulting in an after-tax increase to retained earnings of $20 million. The impact of the adoption of CECL for our securities portfolio was less than $1 million. The ACL, as calculated under CECL, is influenced by the portfolio composition, credit quality, macroeconomic conditions, and forecasts at that time, as well as other management judgments. See Note 2 of the Notes to Consolidated Financial Statements on page 93 for more information on this guidance and its impact on the Bank.
Accounting for Goodwill
Goodwill is initially recorded at fair value in the financial statements of a reporting unit at the time of its acquisition and is subsequently evaluated at least annually for impairment in accordance with current accounting guidance. We perform this annual test asat the beginning of September 30 of each year,the fourth quarter annually, or more often if events or circumstances indicate that itsthe carrying value may not be recoverable.of any of our reporting units, inclusive of goodwill, is less than fair value. The goodwill impairment test for a given reporting unit (generally one of our banking segments) compares its fair value with its carrying value. If the carrying amount, exceedsinclusive of goodwill, is more likely than not to exceed its fair value, an additional quantitative analysis must be performed to determine the amount, if any, by whichof goodwill is impaired.impairment. Our reporting units with goodwill are Amegy, CB&T, and Zions Bank.
To determine the fair value of a reporting unit, we usehistorically have used a combination of up to three separate quantitative methods: comparable publicly-traded financial service companies (primarilycommercial banks and bank holding companies) in the westernWestern and southwesternSouthwestern states (“
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(“Market Value”); where applicable, comparable acquisitions of financial services companiescommercial banks in the westernWestern and southwesternSouthwestern states (“Transaction Value”); and the discounted present value of management’s estimates of future cash flows. Critical assumptions that are used as part of these calculations include:
selectionSelection of comparable publicly-traded companies based on location, size, and business focus and composition;
selectionSelection of market comparable acquisition transactions based on location, size, business focus and composition, and date of the transaction;
theThe discount rate, which is based on Zions’the Bank’s estimate of its cost of capital, applied to future cash flows;equity capital;
theThe projections of future earnings and cash flows of the reporting unit;
theThe relative weight given to the valuations derived by the three methods described; and
theThe control premium associated with reporting units.
We apply a control premium in the Market Value approach to determine the reporting units’ equity values. Control premiums represent the ability of a controlling shareholder to change how the CompanyBank is managed and can cause the fair value of a reporting unit as a whole to exceed its market capitalization. Based on a review of historical bank acquisition transactions within the Company’sBank’s geographic footprint, and a comparison of the target banks’ market values 30 days prior to the announced transaction to the deal value, we have determined that a control premium ranging from 0% to 15% for the reporting units was appropriate at the most recent test date.appropriate.
Since estimates are an integral part of the impairment computations, changes in these estimates could have a significant impact on any calculated impairment amount. Estimates include economic conditions, which impact the assumptions related to interest and growth rates, loss rates, and imputed cost of equity capital. The fair value estimates for each reporting unit incorporate current economic and market conditions, including Federal Reserve


monetary policy expectations and the impact of legislative and regulatory changes. Additional factors that may significantly affect the estimates include, among others, competitive forces, customer behaviors and attrition, loan losses, changes in growth trends, cost structures and technology, changes in equity market values and merger and acquisition valuations, and changes in industry conditions.
Weakening in the economic environment, a decline in the performance of the reporting units, or other factors could cause the fair value of one or more of the reporting units to fall below carrying value, resulting in a goodwill impairment charge. Additionally, new legislative or regulatory changes not anticipated in management’s expectations may cause the fair value of one or more of the reporting units to fall below the carrying value, resulting in a goodwill impairment charge. Any impairment charge would not affect the CompanyBanks regulatory capital ratios, tangible common equity ratio, or liquidity position.
During the fourth quarter of 2017, we performed our annual goodwill impairment evaluationa full quantitative analysis of the entire organization, effective September 30, 2017. We concluded that none of our reporting units was impaired. Furthermore, theunits’ fair value as described above. Our evaluation process determined that the fair values of Amegy, CB&T, and Zions Bank exceeded their carrying values by 35%, 54%, and 78%, respectively. Additionally, we performed a hypothetical sensitivity analysis on the discount rate assumption to evaluate the impact of an adverse change to this assumption. If the discount rate applied to future earnings werewas increased by 100bps,100 bps, the fair values of Amegy, CB&T, and Zions Bank would exceed their carrying values by 33%, 52%, and 72%, respectively.
Income Taxes
We are subjectDuring the fourth quarter of 2019, we performed our annual goodwill impairment evaluation, effective October 1, 2019. The Bank elected to perform a qualitative analysis to determine if the income tax laws of the United States, its states and other jurisdictions where we conduct business. These laws are complex and subject to different interpretations by the taxpayer and the various taxing authorities. Calculation of the provision for income taxes requires significant judgments and estimates about the application of these laws and related regulations. Management attempts to make reasonable interpretations of these tax lawsquantitative analysis performed in prior years as we prepare the Company’s tax returns. These interpretations are subject to challenge by the tax authorities upon audit or to reinterpretation based on management’s ongoing assessment of facts and evolving case law.
On December 22, 2017, H.R. 1, known as the Tax Cuts and Jobs Act (“the Act”),described above was signed into law.required. The Act makes significant changes to the U.S. Internal Revenue Code of 1986, including a decrease in the current corporate federal income tax rate to 21% from 35%, effective January 1, 2018. In conjunction with the enactment of the Act, the SEC issued SAB 118 to address the accounting for certain income tax effects of the Act that may not be complete by the time financial statements are issued. The Company evaluated all available information and made reasonable estimates of the impact of the Act to substantially all components of its net DTA. The provisional impact of the Act on the net DTA resulted in a non-cash charge of $47 million, recorded through income tax expense. The Company anticipates that additional adjustments to net DTA and income tax expense may be made in 2018 as the Company’s initial determination of the tax basis of deferred items such as foregone interest, equity investments in flow-through entities, certain employee compensation arrangements, FDIC-supported transactions and premises and equipment are finalized. These adjustments will be recorded in the financial statements in the reporting period when such adjustments are determined; however, SAB 118 requires all impacts from the Act to be recorded prior to December 22, 2018, which is one year from the enactment date of the Act.
In 2017, the Company early adopted the guidance in ASU 2018-02, which allows reclassification from AOCI to retained earnings for the stranded tax effectsBank’s qualitative analysis assessed factors related to each reporting unit to determine if it was more likely than not that the changecarrying value of any reporting unit was greater than the unit’s fair value. The qualitative factors considered in the corporate income tax rate from the Act. The early adoptionour assessment for each reporting unit included (1) economic, industry and market conditions, (2) regulatory or political developments that could negatively impact operating costs and overall financial performance of the guidance resultedany of our specific reporting units, and (3) any changes in a $25 million increase to retained earnings out of AOCI as of December 31, 2017.
We had net DTAs of $93 million at December 31, 2017, compared with $250 million at December 31, 2016. The most significant portions of the deductible temporary differences relate to (1) the ALLL, (2) fair value adjustmentsmanagement, key personnel, strategy, customers, and any new or impairment write-downs related to securities, (3) pension and postretirement obligations, and (4) deferred compensation arrangements. No valuation allowance has been recorded as of December 31, 2017 related to DTAs except for a full valuation reserve related to certain acquired net operating losses from an immaterial nonbankevolving litigation.

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subsidiary. In assessing the need for a valuation allowance, both the positive and negative evidence about the realization of DTAs were evaluated. The ultimate realization of DTAs is based on the Company’s ability to (1) carry back net operating losses to prior tax periods, (2) utilize the reversal of taxable temporary differences to offset deductible temporary differences, (3) implement tax planning strategies that are prudent and feasible, and (4) generate future taxable income.
After considering the weightNone of the positive evidencefactors considered in our qualitative assessment gave any indication that the reporting units’ fair values decreased during the 2019 fiscal year. Additionally, as evidenced in the Business Segment Analysis section of the MD&A, each reporting unit’s key performance metrics remained materially unchanged or improved in 2019, compared towith 2017. Considering the negative evidence, management hasimproved performance of each reporting unit and the lack of any significant concerns being identified in our qualitative assessment, we concluded that it is more likely than not that we will realize the existing DTAs and that an additional valuation allowance is not needed.
Onfair value of each reporting unit continues to be greater than its carry amount making further quantitative impairment testing unnecessary. As a quarterly basis, management assessesresult, none of our reporting units were subject to goodwill impairment during 2019 or were determined to be at risk for a potential goodwill impairment in the reasonableness of its effective tax ratenear future based upon its current best estimate of net income and the applicable taxes expected for the full year. Deferred tax assets and liabilities are also reassessed on a regular basis. Reserves for contingent tax liabilities are reviewed quarterly for adequacy based upon developments in tax law and the status of examinations or audits. We have tax reservesinformation known at December 31, 2017 of approximately $5 million, net of federal and/or state benefits, primarily relating to uncertain tax positions for tax credits on technology initiatives.this time.
Note 18 of the Notes to Consolidated Financial Statements contains additional information regarding income taxes.
RECENT ACCOUNTING PRONOUNCEMENTS AND DEVELOPMENTS
Note 2 of the Notes to Consolidated Financial Statements discusses recently issued accounting pronouncements that we will be required to adopt. Also discussed is our expectation of the impact these new accounting pronouncements will have, to the extent they are material, on our financial condition, results of operations, or liquidity.
ITEM 7A.QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK
ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK
Information required by this Item is included in “Interest Rate and Market Risk Management” in MD&A beginning on page 6864 and is hereby incorporated by reference.
ITEM 8.FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA
ITEM 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA
REPORT ON MANAGEMENT’S ASSESSMENT OF INTERNAL CONTROL OVER FINANCIAL REPORTING
The management of Zions Bancorporation, National Association and subsidiaries (“the Company”Bank”) is responsible for establishing and maintaining adequate internal control over financial reporting for the CompanyBank as defined by Exchange Act Rules 13a-15 and 15d-15.
Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate. Although any system of internal control can be compromised by human error or intentional circumvention of required procedures, we believe our system provides reasonable assurance that financial transactions are recorded and reported properly, providing an adequate basis for reliable financial statements.
The Company’sBank’s management has used the criteria established in Internal Control – Integrated Framework (2013 framework) issued by the COSO to evaluate the effectiveness of the Company’sBank’s internal control over financial reporting.
The Company’sBank’s management has assessed the effectiveness of the Company’sBank’s internal control over financial reporting as of December 31, 20172019 and has concluded that such internal control over financial reporting is effective. There are no material weaknesses in the Company’sBank’s internal control over financial reporting that have been identified by the Company’sBank’s management.


Ernst & Young LLP, an independent registered public accounting firm, has audited the consolidated financial statements of the CompanyBank for the year ended December 31, 20172019 and has also issued an attestation report, which is included herein, on internal control over financial reporting in accordance with the standards of the Public Company Accounting Oversight Board (“PCAOB”).

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REPORTS OF ERNST & YOUNG LLP, INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
REPORT ON INTERNAL CONTROL OVER FINANCIAL REPORTING
To the Shareholders and the Board of Directors of Zions Bancorporation, National Association and Subsidiaries
Opinion on Internal Control overOver Financial Reporting
We have audited Zions Bancorporation, National Association and subsidiaries’ internal control over financial reporting as of December 31, 2017,2019, based on criteria established in Internal Control-IntegratedControl - Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (2013 framework) (the COSO criteria). In our opinion, Zions Bancorporation, National Association and subsidiariessubsidiaries' (the Company)Bank) maintained, in all material respects, effective internal control over financial reporting as of December 31, 2017,2019, based on the COSO criteria.
We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the 20172019 consolidated financial statements of the CompanyBank and our report dated February 28, 201825, 2020 expressed an unqualified opinion thereon.
Basis for Opinion
The Company’sBank’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 Report on Management’s Assessment of Internal Control over Financial Reporting. Our responsibility is to express an opinion on the Company’sBank’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 CompanyBank 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 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 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 its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.
/s/ Ernst & Young LLP
Salt Lake City, Utah
February 28, 201825, 2020

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REPORT ON CONSOLIDATED FINANCIAL STATEMENTS
To the Shareholders and the Board of Directors of Zions Bancorporation, National Association and Subsidiaries
Opinion on the Financial Statements
We have audited the accompanying consolidated balance sheets of Zions Bancorporation, National Association and subsidiaries (the Company)(“the Bank”) as of December 31, 20172019 and 2016, and2018, the related consolidated statements of income, comprehensive income, changes in shareholders' equity, and cash flows for each of the three years in the period ended December 31, 2017,2019, and the related notes (collectively referred to as the “consolidated financial statements”). In our opinion, the consolidated financial statements present fairly, in all material respects, the financial position of the CompanyBank at December 31, 20172019 and 2016,2018, and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2017,2019, in conformity with U.S. generally accepted accounting principles.
We have also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the Company’sBank’s internal control over financial reporting as of December 31, 2017,2019, based on criteria established in Internal Control-IntegratedControl–Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (2013 framework), and our report dated February 28, 201825, 2020 expressed an unqualified opinion thereon.
Basis for Opinion
These financial statements are the responsibility of the Company’sBank’s management. Our responsibility is to express an opinion on the Company’sBank’s financial statements based on our audits. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the CompanyBank 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 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, 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 regarding the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audits provide a reasonable basis for our opinion.
Critical Audit Matter
The critical audit matter communicated below is a matter arising from the current period audit of the financial statements that was communicated or required to be communicated to the audit committee and that: (1) relates to accounts or disclosures that are material to the financial statements and (2) involved our especially challenging, subjective or complex judgements. The communication of the critical audit matter does not alter in any way our opinion on the consolidated financial statements, taken as a whole, and we are not, by communicating the critical audit matter below, providing a separate opinion on the critical matter or on the account and the disclosures to which it relates.
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Allowance for loan losses
Description of the MatterAs of December 31, 2019, the Bank's commercial and commercial real estate (CRE) loan portfolio totaled $36.9 billion and represented 76% of the total loan portfolio, and the associated allowance for loan and lease losses (ALLL) was $450 million and represented 91% of the total ALLL. As more fully described in Note 6 to the Consolidated financial statements, the ALLL represented the Bank's estimate of probable and estimable losses inherent in the loan portfolio as of the balance sheet date. Management's commercial and CRE allowance model includes quantitative calculations supplemented with qualitative and environmental factors ("qualitative factor adjustments") that the models quantitative calculations may not incorporate. There is significant amount of judgement required by management when reviewing the qualitative factor adjustments and the resulting qualitative estimate for the commercial and CRE loan portfolios.
Auditing management's estimate of the ALLL is complex due to the judgmental nature of the commercial and CRE qualitative factor adjustments used in the ALLL calculation. Management's identification and measurement of the qualitative estimate is highly judgmental and could have a significant effect on the ALL.
How We Addressed the Matter in Our AuditWe obtained an understanding, evaluated the design and tested the operating effectiveness of controls that address the risk of material misstatement of the qualitative estimate. We tested controls over the Bank's allowance governance process, the data utilized in the qualitative factor adjustments, and management's identification of and review of the qualitative estimate which included observing key management meetings where the estimate is reviewed and approved.
To test the reasonableness of the Bank's qualitative factor adjustments, our procedures, included, among others, evaluating management's ALLL estimate by obtaining an understanding of any changes in underlying qualitative factor adjustments and evaluating the methodology. We assessed the qualitative factor adjustments considered by management related to changes in lending policies and procedures; national, regional and local economic and business conditions; nature and volume of the portfolio: lending staff experience; asset quality trends; internal loan review risk identification; collateral values; the existence and effects of concentrations; the effect of other external factors and we assessed the basis for concluding whether qualitative factor adjustments were warranted. We evaluated the accuracy of management's inputs into the qualitative factor adjustments by comparing the inputs to the Bank's historical loan performance data, third-party macroeconomic data and peer bank data.
Further, we assessed whether the total amount of the qualitative estimate was consistent with the Bank's historical loss information, credit quality statistics, and publicly observable indicators of macoreconomic financial conditions and whether the total ALLL amount was reflective of losses incurred in the loan portfolio as of the consolidated balance sheet date.

/s/ Ernst & Young LLP
We have served as the Company’sBank’s auditor since 2000.
Salt Lake City, Utah
February 28, 201825, 2020

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CONSOLIDATED BALANCE SHEETS
ZIONS BANCORPORATION AND SUBSIDIARIES
CONSOLIDATED BALANCE SHEETS
(In millions, shares in thousands)December 31,(In millions, shares in thousands)December 31,
2017 201620192018
ASSETS   ASSETS
Cash and due from banks$548
 $737
Cash and due from banks$705  $614  
Money market investments:   Money market investments:
Interest-bearing deposits782
 1,411
Interest-bearing deposits743  619  
Federal funds sold and security resell agreements514
 568
Federal funds sold and security resell agreements484  1,461  
Investment securities:   Investment securities:
Held-to-maturity, at amortized cost (approximate fair value $762 and $850)770
 868
Held-to-maturity, at amortized cost (approximate fair value $597 and $767)Held-to-maturity, at amortized cost (approximate fair value $597 and $767)592  774  
Available-for-sale, at fair value15,161
 13,372
Available-for-sale, at fair value13,725  14,737  
Trading account, at fair value148
 115
Trading account, at fair value182  106  
Total investment securities16,079
 14,355
Total investment securities14,499  15,617  
Loans held for sale44
 172
Loans held for sale129  93  
Loans and leases, net of unearned income and fees44,780
 42,649
Loans and leases, net of unearned income and fees48,709  46,714  
Less allowance for loan losses518
 567
Less allowance for loan losses495  495  
Loans, net of allowance44,262
 42,082
Loans, net of allowance48,214  46,219  
Other noninterest-bearing investments1,029
 884
Other noninterest-bearing investments898  1,046  
Premises, equipment and software, net1,094
 1,020
Premises, equipment and software, net1,142  1,124  
Goodwill1,014
 1,014
Core deposit and other intangibles2
 8
Goodwill and intangiblesGoodwill and intangibles1,014  1,015  
Other real estate owned4
 4
Other real estate owned  
Other assets916
 984
Other assets1,336  934  
Total assets$66,288
 $63,239
Total assets$69,172  $68,746  
LIABILITIES AND SHAREHOLDERS’ EQUITY   LIABILITIES AND SHAREHOLDERS’ EQUITY
Deposits:   Deposits:
Noninterest-bearing demand$23,886
 $24,115
Noninterest-bearing demand$23,576  $23,645  
Interest-bearing:   Interest-bearing:
Savings and money market25,620
 26,364
Savings and money market28,790  26,120  
Time3,115
 2,757
Time4,719  4,336  
Total deposits52,621
 53,236
Total deposits57,085  54,101  
Federal funds and other short-term borrowings4,976
 827
Federal funds and other short-term borrowings2,053  5,653  
Long-term debt383
 535
Long-term debt1,723  724  
Reserve for unfunded lending commitments58
 65
Reserve for unfunded lending commitments59  57  
Other liabilities571
 942
Other liabilities899  633  
Total liabilities58,609
 55,605
Total liabilities61,819  61,168  
Shareholders’ equity:   Shareholders’ equity:
Preferred stock, without par value, authorized 4,400 shares566
 710
Common stock, without par value; authorized 350,000 shares; issued and outstanding 197,532 and 203,085 shares4,445
 4,725
Preferred stock, without par value; authorized 4,400 sharesPreferred stock, without par value; authorized 4,400 shares566  566  
Common stock ($0.001 par value; authorized 350,000 shares; issued and outstanding 165,057 and 187,554 shares and additional paid-in capitalCommon stock ($0.001 par value; authorized 350,000 shares; issued and outstanding 165,057 and 187,554 shares and additional paid-in capital2,735  3,806  
Retained earnings2,807
 2,321
Retained earnings4,009  3,456  
Accumulated other comprehensive income (loss)(139) (122)Accumulated other comprehensive income (loss)43  (250) 
Total shareholders’ equity7,679
 7,634
Total shareholders’ equity7,353  7,578  
Total liabilities and shareholders’ equity$66,288
 $63,239
Total liabilities and shareholders’ equity$69,172  $68,746  
See accompanying notes to consolidated financial statements.

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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF INCOME
ZIONS BANCORPORATION AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF INCOME
(In millions, except shares and per share amounts)Year Ended December 31,(In millions, except shares and per share amounts)Year Ended December 31,
2017 2016 2015201920182017
Interest income:     Interest income:
Interest and fees on loans$1,847
 $1,729
 $1,686
Interest and fees on loans$2,289  $2,102  $1,847  
Interest on money market investments19
 21
 23
Interest on money market investments32  29  19  
Interest on securities326
 204
 124
Interest on securities362  350  326  
Total interest income2,192
 1,954
 1,833
Total interest income2,683  2,481  2,192  
Interest expense:     Interest expense:
Interest on deposits59
 49
 49
Interest on deposits254  135  59  
Interest on short- and long-term borrowings68
 38
 69
Interest on short- and long-term borrowings157  116  68  
Total interest expense127
 87
 118
Total interest expense411  251  127  
Net interest income2,065
 1,867
 1,715
Net interest income2,272  2,230  2,065  
Provision for credit losses:Provision for credit losses:
Provision for loan losses24
 93
 40
Provision for loan losses37  (39) 24  
Net interest income after provision for loan losses2,041
 1,774
 1,675
Provision for unfunded lending commitmentsProvision for unfunded lending commitments (1) (7) 
Total provision for credit lossesTotal provision for credit losses39  (40) 17  
Net interest income after provision for credit lossesNet interest income after provision for credit losses2,233  2,270  2,048  
Noninterest income:     Noninterest income:
Service charges and fees on deposit accounts171
 171
 168
Other service charges, commissions and fees217
 208
 187
Wealth management and trust income42
 37
 31
Loan sales and servicing income25
 35
 31
Capital markets and foreign exchange30
 22
 26
Commercial account feesCommercial account fees121  122  126  
Card feesCard fees92  94  96  
Retail and business banking feesRetail and business banking fees78  78  78  
Loan-related fees and incomeLoan-related fees and income75  74  72  
Capital markets and foreign exchange feesCapital markets and foreign exchange fees78  58  49  
Wealth management and trust feesWealth management and trust fees60  55  47  
Other customer-related feesOther customer-related fees21  27  22  
Customer-related fees485
 473
 443
Customer-related fees525  508  490  
Dividends and other investment income40
 24
 30
Securities gains (losses), net14
 7
 (127)
Other5
 12
 11
Dividends and other incomeDividends and other income34  43  40  
Securities gains, netSecurities gains, net  14  
Total noninterest income544
 516
 357
Total noninterest income562  552  544  
Noninterest expense:     Noninterest expense:
Salaries and employee benefits1,011
 983
 973
Salaries and employee benefits1,141  1,070  1,006  
Occupancy, net129
 125
 120
Occupancy, net133  132  129  
Furniture, equipment and software, net130
 125
 123
Furniture, equipment and software, net135  126  130  
Other real estate expense, net(1) (2) (1)Other real estate expense, net(3)  (1) 
Credit-related expense29
 26
 29
Credit-related expense20  25  29  
Provision for unfunded lending commitments(7) (10) (6)
Professional and legal services54
 55
 50
Professional and legal services47  52  57  
Advertising22
 22
 25
Advertising19  26  22  
FDIC premiums53
 40
 34
FDIC premiums25  50  53  
Amortization of core deposit and other intangibles6
 8
 9
Other223
 213
 225
Other225  197  231  
Total noninterest expense1,649
 1,585
 1,581
Total noninterest expense1,742  1,679  1,656  
Income before income taxes936
 705
 451
Income before income taxes1,053  1,143  936  
Income taxes344
 236
 142
Income taxes237  259  344  
Net income592
 469
 309
Net income816  884  592  
Preferred stock dividends(40) (48) (62)Preferred stock dividends(34) (34) (40) 
Preferred stock redemption(2) (10) 
Preferred stock redemption—  —  (2) 
Net earnings applicable to common shareholders$550
 $411
 $247
Net earnings applicable to common shareholders$782  $850  $550  
Weighted average common shares outstanding during the year:     Weighted average common shares outstanding during the year:
Basic shares (in thousands)200,776
 203,855
 203,265
Basic shares (in thousands)175,984  193,589  200,776  
Diluted shares (in thousands)209,653
 204,269
 203,698
Diluted shares (in thousands)186,504  206,501  209,653  
Net earnings per common share:     Net earnings per common share:
Basic$2.71
 $2.00
 $1.20
Basic$4.41  $4.36  $2.71  
Diluted2.60
 1.99
 1.20
Diluted4.16  4.08  2.60  
See accompanying notes to consolidated financial statements.

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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
ZIONS BANCORPORATION AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(In millions)Year Ended December 31,(In millions)Year Ended December 31,
2017 2016 2015201920182017
     
Net income$592
 $469
 $309
Net income$816  $884  $592  
Other comprehensive income (loss), net of tax:     Other comprehensive income (loss), net of tax:
Net unrealized holding losses on investment securities(2) (74) (23)
Reclassification of HTM securities to AFS securities
 
 11
Reclassification to earnings for realized net securities losses
 
 86
Net unrealized holding gains (losses) on investment securitiesNet unrealized holding gains (losses) on investment securities257  (113) (2) 
Net unrealized gains (losses) on other noninterest-bearing investments3
 2
 (3)Net unrealized gains (losses) on other noninterest-bearing investments(9)   
Net unrealized holding gains (losses) on derivative instruments(3) 5
 7
Net unrealized holding gains (losses) on derivative instruments33  (4) (3) 
Reclassification adjustment for increase in interest income recognized in earnings on derivative instruments(2) (7) (6)
Reclassification adjustment for decrease (increase) in interest income recognized in earnings on derivative instrumentsReclassification adjustment for decrease (increase) in interest income recognized in earnings on derivative instruments  (2) 
Pension and postretirement12
 7
 1
Pension and postretirement  12  
Effect of new tax rates from Tax Cuts and Jobs Act of 2017(25) 
 
Effect of new tax rates from Tax Cuts and Jobs Act of 2017—  —  (25) 
Other comprehensive income (loss)(17) (67) 73
Other comprehensive income (loss)293  (111) (17) 
Comprehensive income$575
 $402
 $382
Comprehensive income$1,109  $773  $575  
See accompanying notes to consolidated financial statements.

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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS’ EQUITY
ZIONS BANCORPORATION AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS’ EQUITY
(In millions, except shares
and per share amounts)
Preferred
stock
 Common stock Retained earnings Accumulated
other
comprehensive income (loss)
 
Total
shareholders’ equity
(In millions, except shares
and per share amounts)
Preferred
stock
Common stockAccumulated paid-in capitalRetained earningsAccumulated
other
comprehensive income (loss)
Total
shareholders’ equity
Shares
(in thousands)
 Amount 
Shares
(in thousands)
Amount
           
Balance at December 31, 2014$1,004
 203,015
 $4,724
 $1,769
 $(128) $7,369
Net income      309
   309
Other comprehensive income, net of tax        73
 73
Preferred stock redemption(176)   3
 (3)   (176)
Net activity under employee plans and related tax benefits  1,402
 40
     40
Dividends on preferred stock      (62)   (62)
Dividends on common stock, $0.22 per share      (45)   (45)
Change in deferred compensation      (1)   (1)
Balance at December 31, 2015828
 204,417
 4,767
 1,967
 (55) 7,507
Net income      469
   469
Other comprehensive income (loss), net of tax        (67) (67)
Preferred stock redemption(118)   2
 (10)   (126)
Company common stock repurchased under repurchase programs

 (2,889) (90)     (90)
Net activity under employee plans and related tax benefits  1,557
 46
     46
Dividends on preferred stock

     (48)   (48)
Dividends on common stock, $0.28 per share      (58)   (58)
Change in deferred compensation      1
   1
Balance at December 31, 2016710
 203,085
 4,725
 2,321
 (122) 7,634
Balance at December 31, 2016  $710  203,085  $4,725  $—  $2,321  $(122) $7,634  
Net income      592
   592
Net income592  592  
Other comprehensive income, net of tax        8
 8
Other comprehensive income, net of tax  
Preferred stock redemption(144)   2
 (2)   (144)Preferred stock redemption(144)  (2) (144) 
Company common stock repurchased under repurchase programs  (7,009) (320)     (320)
Bank common stock repurchasedBank common stock repurchased(7,044) (321) (321) 
Net activity under employee plans and related tax benefits  1,456
 38
     38
Net activity under employee plans and related tax benefits1,491  39  39  
Dividends on preferred stock      (40)   (40)Dividends on preferred stock(40) (40) 
Dividends on common stock, $0.44 per share      (89)   (89)Dividends on common stock, $0.44 per share(89) (89) 
Effect of new tax rates from Tax Cuts and Jobs Act of 2017      25
 (25) 
Effect of new tax rates from Tax Cuts and Jobs Act of 201725  (25) —  
Balance at December 31, 2017$566
 197,532
 $4,445
 $2,807
 $(139) $7,679
Balance at December 31, 2017566  197,532  4,445  —  2,807  (139) 7,679  
Net incomeNet income884  884  
Merger of Bank Holding Company into BankMerger of Bank Holding Company into Bank(4,052) 4,052  —  
Cumulative effect adjustment, adoption of ASU 2014-09, Revenue from Contracts with CustomersCumulative effect adjustment, adoption of ASU 2014-09, Revenue from Contracts with Customers1 
Other comprehensive loss, net of taxOther comprehensive loss, net of tax(111) (111) 
Bank common stock repurchasedBank common stock repurchased(12,984) (422) (250) (672) 
Net shares issued from stock warrant exercisesNet shares issued from stock warrant exercises1,770  —  
Net activity under employee plans and related tax benefitsNet activity under employee plans and related tax benefits1,236  29  433  
Dividends on preferred stockDividends on preferred stock(34) (34) 
Dividends on common stock, $1.04 per shareDividends on common stock, $1.04 per share(202) (202) 
Balance at December 31, 2018Balance at December 31, 2018566  187,554  —  3,806  3,456  (250) 7,578  
Net incomeNet income816  816  
Cumulative effect adjustment, adoption of ASU 2017-08, Premium Amortization on Purchased Callable Debt SecuritiesCumulative effect adjustment, adoption of ASU 2017-08, Premium Amortization on Purchased Callable Debt Securities(3) (3) 
Other comprehensive income, net of taxOther comprehensive income, net of tax293  293  
Bank common stock repurchasedBank common stock repurchased(23,531) (1,102) (1,102) 
Net shares issued from stock warrant exercisesNet shares issued from stock warrant exercises —  
Net activity under employee plans and related tax benefitsNet activity under employee plans and related tax benefits1,026  31  31  
Dividends on preferred stockDividends on preferred stock(34) (34) 
Dividends on common stock, $1.28 per shareDividends on common stock, $1.28 per share(226) (226) 
Balance at December 31, 2019Balance at December 31, 2019$566  165,057  $—  $2,735  $4,009  $43  $7,353  
See accompanying notes to consolidated financial statements.

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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF CASH FLOWS
ZIONS BANCORPORATION AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF CASH FLOWS
(In millions)Year Ended December 31,(In millions)Year Ended December 31,
2017 2016 2015201920182017
CASH FLOWS FROM OPERATING ACTIVITIES     CASH FLOWS FROM OPERATING ACTIVITIES
Net income$592
 $469
 $309
Net income$816  $884  $592  
Adjustments to reconcile net income to net cash provided by operating activities:     Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses17
 83
 34
Provision for credit losses39  (40) 17  
Depreciation and amortization179
 123
 86
Depreciation and amortization188  193  179  
Share-based compensation25
 26
 25
Share-based compensation27  26  25  
Securities losses (gains), net(14) (7) 127
Deferred income tax expense (benefit)154
 (8) (30)Deferred income tax expense (benefit)(2) —  154  
Net decrease (increase) in trading securities(33) (67) 22
Net decrease (increase) in trading securities(76) 42  (33) 
Net decrease (increase) in loans held for sale97
 1
 (6)Net decrease (increase) in loans held for sale(84)  97  
Change in other liabilities29
 1
 (6)Change in other liabilities(14) 74  29  
Change in other assets(89) (10) (67)Change in other assets(179) 14  (89) 
Other, net(29) (15) (30)Other, net(18) (26) (43) 
Net cash provided by operating activities928
 596
 464
Net cash provided by operating activities697  1,176  928  
CASH FLOWS FROM INVESTING ACTIVITIES     CASH FLOWS FROM INVESTING ACTIVITIES
Net decrease in money market investments683
 4,749
 1,837
Net decrease (increase) in money market investmentsNet decrease (increase) in money market investments852  (784) 683  
Proceeds from maturities and paydowns of investment securities held-to-maturity314
 94
 123
Proceeds from maturities and paydowns of investment securities held-to-maturity391  361  314  
Purchases of investment securities held-to-maturity(216) (416) (61)Purchases of investment securities held-to-maturity(209) (365) (216) 
Proceeds from sales, maturities, and paydowns of investment securities
available-for-sale
2,412
 3,787
 1,681
Proceeds from sales, maturities, and paydowns of investment securities
available-for-sale
3,105  3,061  2,412  
Purchases of investment securities available-for-sale(4,719) (9,359) (5,513)Purchases of investment securities available-for-sale(1,864) (2,927) (4,719) 
Net change in loans and leases(2,135) (2,102) (563)Net change in loans and leases(1,957) (1,943) (2,135) 
Purchases and sales of other noninterest-bearing investments(105) (20) 31
Purchases and sales of other noninterest-bearing investments172  14  (105) 
Purchases of premises and equipment(169) (196) (157)Purchases of premises and equipment(117) (129) (169) 
Proceeds from sales of other real estate owned8
 20
 25
Other, net8
 7
 18
Other, net  16  
Net cash used in investing activities(3,919) (3,436) (2,579)
Net cash provided by (used in) investing activitiesNet cash provided by (used in) investing activities375  (2,706) (3,919) 
CASH FLOWS FROM FINANCING ACTIVITIES     CASH FLOWS FROM FINANCING ACTIVITIES
Net increase (decrease) in deposits(614) 2,883
 2,526
Net increase (decrease) in deposits2,984  1,484  (614) 
Net change in short-term funds borrowed2,149
 480
 103
Net change in short-term funds borrowed(3,600) 2,677  2,149  
Proceeds from debt over 90 days and up to one year5,100
 
 
Proceeds from debt over 90 days and up to one year—  —  5,100  
Repayments of debt over 90 days and up to one year(3,100) 
 
Repayments of debt over 90 days and up to one year—  (2,000) (3,100) 
Cash paid for preferred stock redemptions(144) (126) (176)Cash paid for preferred stock redemptions—  —  (144) 
Repayments of long-term debt(153) (280) (288)Repayments of long-term debt—  (162) (153) 
Company common stock repurchased(332) (97) (7)
Proceeds from the issuance of long-term debtProceeds from the issuance of long-term debt992  497  —  
Bank common stock repurchasedBank common stock repurchased(1,102) (672) (321) 
Proceeds from the issuance of common stock25
 25
 22
Proceeds from the issuance of common stock14  20  25  
Dividends paid on common and preferred stock(129) (108) (108)Dividends paid on common and preferred stock(260) (236) (129) 
Other, net
 2
 (1)Other, net(9) (12) (11) 
Net cash provided by financing activities2,802
 2,779
 2,071
Net decrease in cash and due from banks(189) (61) (44)
Net cash provided by (used in) financing activitiesNet cash provided by (used in) financing activities(981) 1,596  2,802  
Net increase (decrease) in cash and due from banksNet increase (decrease) in cash and due from banks91  66  (189) 
Cash and due from banks at beginning of year737
 798
 842
Cash and due from banks at beginning of year614  548  737  
Cash and due from banks at end of year$548
 $737
 $798
Cash and due from banks at end of year$705  $614  $548  
     
Cash paid for interest$118
 $83
 $102
Cash paid for interest$401  $237  $118  
Net cash paid for income taxes246
 214
 132
Net cash paid for income taxes233  207  246  
Noncash activities are summarized as follows:     Noncash activities are summarized as follows:
Loans held for investment transferred to other real estate owned6
 15
 12
Loans held for investment transferred to other real estate owned12    
Loans held for investment reclassified to loans held for sale, net25
 50
 5
Loans held for investment reclassified to loans held for sale, net85  111  25  
AFS securities purchased, not settled5
 395
 
Adjusted cost of HTM securities reclassified as AFS securities
 
 79
See accompanying notes to consolidated financial statements.

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ZIONS BANCORPORATION, N.A. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
December 31, 20172019
1.SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
1.SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Business
Zions Bancorporation, National Association, (“the Parent”Zions Bancorporation, N.A.”, “the Bank,” “we,” “our,” “us”) is a financial holding companynational commercial bank headquartered in Salt Lake City, Utah, which owns and operates a commercial bank.Utah. The Parent and its subsidiaries (collectively “the Company”) provideBank provides a full range of banking and related services in 11 westernWestern and southwesternSouthwestern states through seven separately managed and branded units as follows: Zions Bank, in Utah, Idaho and Wyoming; California Bank & Trust (“CB&T”); Amegy Bank (“Amegy”), in Texas; National Bank of Arizona (“NBAZ”); Nevada State Bank (“NSB”); Vectra Bank Colorado (“Vectra”), in Colorado and New Mexico; and The Commerce Bank of Washington (“TCBW”) which operates under that name in Washington and under the name The Commerce Bank of Oregon (“TCBO”) in Oregon. Pursuant to a Board resolution adopted November 21, 2014, TCBO merged into TCBW effective March 31, 2015. The Parent also owns and operates certain nonbank subsidiaries that engage in financial services.
Basis of Financial Statement Presentation and Principles of Consolidation
The consolidated financial statements include the accounts of the ParentBank and its majority-owned subsidiaries (“the Company,” “we,” “our,” “us”).subsidiaries. Unconsolidated investments where we have the ability to exercise significant influence over the operating and financial policies of the respective investee are accounted for using the equity method of accounting; those that are not consolidated or accounted for using the equity method of accounting are accounted for under cost or fair value accounting. All significant intercompany accounts and transactions have been eliminated in consolidation. Assets held in an agency or fiduciary capacity are not included in the Consolidated Financial Statements.
The consolidated financial statements have been prepared in accordance with United States (“U.S.”) generally accepted accounting principles (“GAAP”) and prevailing practices within the financial services industry. References to GAAP, including standards promulgated by the Financial Accounting Standards Board (“FASB”), are made according to sections of the Accounting Standards Codification (“ASC”). Changes to the ASC are made with Accounting Standards Updates (“ASU”) that include consensus issues of the Emerging Issues Task Force (“EITF”). In certain cases, ASUs are issued jointly with International Financial Reporting Standards.
In preparing the consolidated financial statements, we are required to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from those estimates. Certain prior year amounts have been reclassified to conform with the current year presentation. These reclassifications did not affect net income or shareholders’ equity.
Variable Interest Entities
A variable interest entity (“VIE”) is consolidated when a company is the primary beneficiary of the VIE. Current accounting guidance requires continuous analysis on a qualitative rather than a quantitative basis to determine the primary beneficiary of a VIE. At the commencement of our involvement, and periodically thereafter, we consider our consolidation conclusions for all entities with which we are involved. As of December 31, 20172019 and 2016, no2018, zero VIEs have been consolidated in the Company’sBank’s financial statements.
Statement of Cash Flows
For purposes of presentation in the consolidated statements of cash flows, “cash and cash equivalents” are defined as those amounts included in cash and due from banks in the consolidated balance sheets.
Fair Value Estimates
We measure many of our assets and liabilities on a fair value basis. Fair value is the price that could be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants. To improve consistency and comparability in fair value measurements, GAAP has established a hierarchy to prioritize the

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valuation inputs among three levels. The CompanyBank prioritizes quoted prices in active markets and minimizes reliance on unobservable inputs when possible. When observable market prices are not available, fair value is estimated using modeling techniques such as discounted cash flow analysis. These modeling techniques use assumptions that market
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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
participants would consider in pricing the asset or the liability, including assumptions about the risk inherent in a particular valuation technique, the effect of a restriction on the sale or use of an asset, the life of the asset and applicable growth rate, the risk of nonperformance, and other related assumptions. Changes in market conditions may reduce the availability of quoted prices or observable data. When market data is not available, the CompanyBank uses valuation techniques requiring more managementprofessional judgment to estimate the appropriate fair value. See Note 3 of the Notes to Consolidated Financial Statements for further information regarding the use of fair value estimates.
Security Resell Agreements
Security resell agreements represent overnight and term agreements with the majority maturing within 30 days. These agreements are generally treated as collateralized financing transactions and are carried at amounts at which the securities were acquired plus accrued interest. Either the Company,Bank, or in some instances third parties on its behalf, take possession of the underlying securities. The fair value of such securities is monitored throughout the contract term to ensure that asset values remain sufficient to protect against counterparty default. We are permitted by contract to sell or repledge certain securities that we accept as collateral for security resell agreements. If sold, our obligation to return the collateral is recorded as “securities sold, not yet purchased” and included as a liability in “Federal funds and other short-term borrowings.” At December 31, 2017,2019, we held $287 million$0.3 billion of securities for which we were permitted by contract to sell or repledge. Security resell agreements averaged $360 million$0.6 billion during 2017,2019, and the maximum amount outstanding at any month-end during 20172019 was $1.8 billion.$1.0 billion.
Investment Securities
We classify our investment securities according to their purpose and holding period. Gains or losses on the sale of securities are recognized using the specific identification method and recorded in noninterest income.
Held-to-maturity (“HTM”) debt securities are carried at amortized cost with purchase discounts or premiums accreted or amortized into interest income over the contractual life of the security. The CompanyBank has the intent and ability to hold such securities until maturity.
Available-for-sale (“AFS”) securities are stated at fair value and generally consist of debt securities held for investment. Unrealized gains and losses of AFS securities, after applicable taxes, are recorded as a component of other comprehensive income (“OCI”).
We review quarterly our investment securities portfolio for any declines in value that are considered to be other-than-temporary impairment (“OTTI”). The process, methodology, and factors considered to evaluate securities for OTTI are discussed further in Note 5.
Trading securities are stated at fair value and consist of securities acquired for short-term appreciation or other trading purposes. Realized and unrealized gains and losses are recorded in trading income, which is included in “Capital markets and foreign exchange.”
The fair values of investment securities, as estimated under current accounting guidance, are discussed in Note 3.
Leases
As a lessee when we enter a lease contract we classify and account for the lease as either a finance lease or an operating lease, depending on the terms and conditions of the lease. A finance lease is recorded as an asset and a liability, and the asset is generally depreciated over the lease term. The lease liability is reduced as lease payments are made. An operating lease is recorded as a right-of-use ("ROU") asset and operating lease liability. These balance sheet items are reduced as lease payments are made. Lease payments are expensed over the lease term; they are recorded as rent expense and are recognized on a straight-line basis. Lease-related assets are reviewed for impairment on an on-going basis.
The lease term is the noncancelable period that we have the right to use the leased asset. This term begins on the commencement date of the lease and incorporates options to extend or renew the lease when it is reasonably certain that we will exercise these options.
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Loans and Allowance for Credit Losses
Loans are reported at the principal amount outstanding, net of unearned income. Unearned income, unamortized purchase premiums and discounts, and net deferred loan fees and costs, which includes deferred fees net of deferred direct loan origination costs, isare amortized to interest income over the life of the loan using the interest method. Interest income is recognized on an accrual basis.
At the time of origination, we determine whether loans will be held for investment or held for sale. We may subsequently change our intent to hold loans for investment and reclassify them as held for sale. Loans held for sale are carried at the lower of aggregate cost or fair value. A valuation allowance is recorded when cost exceeds fair

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value based on reviews at the time of reclassification and periodically thereafter. Gains and losses are recorded in noninterest income based on the difference between sales proceeds and carrying value.
We evaluate loans throughout their lives for signs of credit deterioration, which may impact the loan’s status, and potentially impact our accounting for that loan. Loan status categories include past due as to contractual payments, nonaccrual, impaired, and restructured, (includingincluding troubled debt restructurings (“TDRs”)). Our accounting policies for these loan statuses and our estimation of the related allowance for loan and lease losses (“ALLL”) are discussed further in Note 6.
In the ordinary course of business, we transfer portions of loans under participation agreements to manage credit risk and our portfolio concentration. We evaluate the loan participations to determine if they meet the appropriate accounting guidance to qualify as sales. Certain purchased loans require separate accounting procedures that are also discussed in Note 6.
The allowance for credit losses (“ACL”) includes the ALLL and the reserve for unfunded lending commitments (“RULC”), and represents our estimate of losses inherent in the loan portfolio that may be recognized from loans and lending commitments that are not recoverable. Further discussion of our estimation process for the ACL is included in Note 6.
On January 1, 2020, we adopted ASU 2016-13, Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments, and its subsequent updates, often referred to as the Current Expected Credit Loss (“CECL”) model. CECL changes how the ACL is measured for loans and for additional financial assets, including HTM securities. Under CECL, the ACL will represent our estimate of current expected credit losses over the contractual term of the loan and lease portfolio and unfunded lending commitments as of the balance sheet date. The ACL for debt securities is estimated separately from loans.
Other Noninterest-Bearing Investments
These investments include investments in private equity funds (referredfunds– referred to in this document as private equity investments “PEIs”(“PEIs”), venture capital securities, securities acquired for various debt and regulatory requirements, bank-owned life insurance ("BOLI"), and certain other noninterest-bearing investments. See further discussionsdiscussion in Notes 5, 15 andNote 3.
Certain PEIs and venture capital securities are accounted for under the equity method and reported at fair value. Changes in fair value and gains and losses from sales are recognized in noninterest income. The values assigned to the securities where no market quotations exist are based upon available information and may not necessarily represent amounts that will ultimately be realized. Such estimated amounts depend on future circumstances and will not be realized until the individual securities are liquidated.
Bank-owned life insuranceBOLI is accounted for at fair value based on the cash surrender values (“CSVs”) of the general account insurance policies. A third partythird-party service provides these values.
Other PEIs, and those acquired for various debt and regulatory requirements, are accounted for at cost.cost less impairment (if any), plus or minus observable price changes from an identical or similar investment of the same issuer, with such changes recognized in income. Periodic reviews are conducted for impairment by comparing carrying values with estimates of fair value determined according to the previous discussion.
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Premises, Equipment and Software, Net
Premises, equipment and software are stated at cost, net of accumulated depreciation and amortization. Depreciation, computed primarily on the straight-line method, is charged to operations over the estimated useful lives of the properties, generally 25 to 40 years for buildings, 3 to 10 years for furniture and equipment, and 3 to 10 years for software, including capitalized costs related to the Company’sBank’s technology initiatives. Leasehold improvements are amortized over the terms of the respective leases or the estimated useful lives of the improvements (including any extension options that are reasonably certain to be exercised), whichever is shorter. Premises, equipment and software are evaluated for impairment on a periodic basis.
Goodwill and Identifiable Intangible Assets
Goodwill and intangible assets deemed to have indefinite lives are not amortized. We subject these assets to annual specified impairment tests as of the beginning of the fourth quarter and more frequently if changing conditions warrant. Core deposit assets and other intangibles with finite useful lives are generally amortized on an accelerated basis using an estimated useful life of up to 12 years.

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Business Combinations
Business combinations are accounted for under the acquisition method of accounting. Upon initially obtaining control, we recognize 100% of all acquired assets and all assumed liabilities regardless of the percentage owned. The assets and liabilities are recorded at their estimated fair values, with goodwill being recorded when such fair values are less than the cost of acquisition. Certain transaction and restructuring costs are expensed as incurred. Changes to estimated fair values from a business combination are recognized as an adjustment to goodwill over the measurement period, which cannot exceed one year from the acquisition date. Results of operations of the acquired business are included in our statement of income from the date of acquisition.
Other Real Estate Owned
Other real estate owned (“OREO”) consists principally of commercial and residential real estate obtained in partial or total satisfaction of loan obligations. Amounts are recorded initially at fair value (less any selling costs) based on property appraisals at the time of transfer and subsequently at the lower of cost or fair value (less any selling costs).
Derivative Instruments
We use derivative instruments, including interest rate swaps and purchased and sold options such as floors and basis swaps, as part of our overall interest rate risk management strategy. These instruments enable us to manage to desiredDerivatives are an important tool used in managing our overall asset and liability duration andsensitivities to reduceremain within management’s stated interest rate risk exposure by matching estimated repricing periodsthresholds. Their use allows us to adjust and align our naturally occurring mix of interest-sensitivefixed and floating-rate assets and liabilities. liabilities to manage interest income volatility by synthetically converting variable-rate assets to fixed-rate, or synthetically converting fixed-rate funding instruments to floating rates.
We also execute both interest rate and short-term foreign currency derivative instruments with our commercial banking customers to facilitate their risk management strategies. These derivatives are immediately hedged by offsetting derivatives with third parties such that we minimize our net risk exposure as a result of such transactions. We record all derivatives at fair value in the balance sheet as either other assets or other liabilities. The accounting for the change in value of a derivative depends on whether or not the transaction has been designated and qualifies for hedge accounting. Derivatives that are not designated as hedges are reported and measured at fair value through earnings. See further discussionNote 7 for more information.
Derivatives in Designated Accounting Hedge
We apply hedge accounting to certain derivatives executed for risk management purposes, primarily interest rate risk. To qualify for hedge accounting, a derivative must be highly effective at reducing the risk associated with the exposure being hedged and the hedging relationship must be formally documented. We primarily use regression analysis to assess the effectiveness of each hedging relationship, unless the hedge qualifies for other methods of assessing effectiveness (e.g. shortcut or critical terms match), both at inception and on an ongoing basis. We designate derivatives as fair value and cash flow hedges for accounting purposes and these hedges can be a
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significant aspect of the Bank’s overall interest risk sensitivity management. The Bank may add additional hedging strategies and apply hedge accounting to the strategies as it deems necessary. See Note 7.7 for more information regarding the accounting for derivatives designated as hedging instruments.
Commitments and Letters of Credit
In the ordinary course of business, we enter into commitments to extend credit, commercial letters of credit, and standby letters of credit. Such financial instruments are recorded in the financial statements when they become payable. The credit risk associated with these commitments is evaluated in a manner similar to the ALLL. The RULC is presented separately in the balance sheet.
Revenue Recognition
Service charges and fees on deposit accounts are recognized in accordance with published deposit account agreements for customer accounts or contractual agreements for commercial accounts. Other service charges, commissions and fees include interchange fees, bank services and other fees, which are generally recognized at the time of transaction or as the services are performed.
Share-Based Compensation
Share-based compensation generally includes grants of stock options, restricted stock, restricted stock units (“RSUs”), and other awards to employees and non-employeenonemployee directors. We recognize compensation expense in the statement of income based on the grant-date value of the associated share-based awards. See further discussion in Note 17.19.
Income Taxes
Deferred tax assets (“DTAs”) and liabilities are determined based on temporary differences between financial statement asset and liability amounts and their respective tax bases,basis and are measured using enacted tax laws and rates. The effect on deferred tax assetsDTAs and liabilities of a change in tax rates is recognized in income in the period that includes the enactment date. Deferred tax assetsDTAs are recognized subject to management’s judgment that realization is more likely than not. Unrecognized tax benefits for uncertain tax positions relate primarily to state tax contingencies.credits on technology initiatives. See further discussion in Note 18.20.
Net Earnings Per Common Share
Net earnings per common share is based on net earnings applicable to common shareholders, which is net of preferred stock dividends. Basic net earnings per common share is based on the weighted average outstanding

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common shares during each year. Unvested share-based awards with rights to receive nonforfeitable dividends are considered participating securities and included in the computation of basic earnings per share. Diluted net earnings per common share is based on the weighted average outstanding common shares during each year, including common stock equivalents. Stock options, restricted stock, RSUs, and stock warrants are converted to common stock equivalents using the more dilutive of the treasury stock method or the two-class method. Diluted net earnings per common share excludes common stock equivalents whose effect is antidilutive. See further discussion in Note 19.21.
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2. RECENT ACCOUNTING PRONOUNCEMENTS
2.Accounting Standard UpdatesRECENT ACCOUNTING PRONOUNCEMENTSDescriptionDate of adoptionEffect on the financial statements or other significant matters
Updates not yet adopted by the Bank during 2019
StandardDescriptionDate
ASU 2016-13,
Credit Losses
(Topic 326):
Measurement of adoption
Effect on the financial statements
or other significant mattersCredit Losses on
Standards not adopted by the Company during 2017
ASU 2014-09,
Revenue from Contracts with Customers (Topic 606)
Financial
Instruments and subsequent related ASUs


The core principle of the new guidance is that a companyThis ASU, and subsequent updates, significantly changes how entities will recognize revenue when it transfers promised goods or services to customers in an amount that reflects the consideration to which the Company expects to be entitled in exchangemeasure credit losses for those goods or services. The banking industry does not expect significant changes because major sources of revenue are fromvirtually all financial assets and certain other instruments that have been excluded from the scope of the new standard, (including loans, derivatives, debt and equity securities, etc.). However, these new standards affect other fees charged by banks, such as asset management fees, credit card interchange fees, deposit account fees, etc. Adoption may be made on a full retrospective basis with practical expedients, or on a modified retrospective basis with a cumulative effect adjustment. Additionally, the new guidance significantly increases the disclosures related to revenue recognition practices.January 1, 2018Approximately 85% of our revenue, including all of our interest income and a portion of our noninterest income, is out of scope of the guidance. The contracts that are in scope of the guidance are primarily related to service charges and fees on deposit accounts, wealth management and trust income, and other service charges, commissions and fees. We have completed our review of these contracts and have not identified any material changes in the timing of revenue recognition. We adopted this guidance January 1, 2018 using the modified retrospective transition method. There was no material impact at adoption to the Company’s consolidated financial statements.
ASU 2016-01,
Financial Instruments – Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities
The standard provides revised accounting guidance related to the accounting for and reporting of financial instruments. Some of the main provisions include:
– Equity investments that do not result in consolidation and are not accounted for under the equity method would be measured at fair value through net income.
– Changes in instrument-specificincome that have the contractual right to receive cash. The update replaces today’s “incurred loss” approach with a current expected credit riskloss (“CECL”) model for financial liabilitiesinstruments such as loans and held-to-maturity (“HTM”) securities that are measured at amortized cost. The ASU requires credit losses relating to available-for sale (“AFS”) debt securities to be recorded through an allowance for credit loss (“ACL”) rather than a reduction of the carrying amount and replaces the historically required other-than-temporary impairment (“OTTI”) analysis. It also changes the accounting for purchased credit-impaired debt securities and loans.

The ASU retains many of the current disclosure requirements in U.S. GAAP and expands other disclosure requirements. The new guidance is effective for calendar year-end public companies beginning January 1, 2020.
January 1,
2020
During 2019, we ran several parallel runs of the CECL model. Additionally, we implemented a set of controls, including management review controls; implementation controls; and data, model and forecasting controls.

The ACL, as calculated
under CECL, is influenced by the fair value option would be recognizedportfolio composition, credit quality, macroeconomic conditions, and forecasts at that time, as well as other management judgments.

We adopted ASU 2016-13 and its subsequent updates on January 1, 2020; the impact upon adoption was not significant.
ASU 2017-04,
Intangibles –
Goodwill and
Other (Topic 350):
Simplifying the
Test for Goodwill
Impairment

This ASU removes the requirements in OCI.
– Eliminationstep two of the current goodwill impairment model, eliminating the requirement to disclosecalculate and compare the methods and significant assumptions used to estimate theimplied fair value of financial instruments carried at amortized cost. However, itthe reporting entity with the carrying amount of that entity, including goodwill, to measure any impairment charge. Instead, entities will requirerecord an impairment charge based on the useexcess of exit price when measuring thea reporting unit’s carrying amount of goodwill over its implied fair value of financial instruments measured at amortized costgoodwill (i.e., measure the charge based on step one of the current guidance).

The ASU also continues to allow entities to perform an optional qualitative goodwill impairment assessment before determining whether to proceed to the quantitative step one. The update is effective
for disclosure purposes.
the Bank as of January 1, 20182020. Early adoption is allowed for any goodwill impairment test performed after January 1, 2017.January 1,
2020
We do not have a significant amount of equity securities classified as AFS. Additionally, we do not have any financial liabilities accounted for under the fair value option. Therefore, the transition adjustment upon adoption ofadopted this guidance as of January 1, 20182020, and there was not material. We are refining our valuation models to better account for an exit price, which will not change ourno significant impact on the Bank's financial statements but will have an impact on our disclosures.upon adoption.

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Accounting Standard UpdatesDescriptionDate of adoptionEffect on the financial statements or other significant matters
Updates adopted by the Bank during 2019
StandardDescriptionDate of adoption
Effect on the financial statements
or other significant matters
Standards not adopted by the Company during 2017 (continued)
ASC 2017-12, Derivatives and Hedging (Topic 815): Targeted Improvement to Accounting for Hedging Activities
The purpose of this standard is to better align a company’s financial reporting for hedging activities, with the economic objectives of those activities. The standard is effective for public business entities for fiscal years beginning after December 15, 2018, with early adoption, including adoption in an interim period, permitted. The standard requires a modified retrospective transition method that requires recognition of the cumulative effect of the change on the opening balance of each affected component of equity in the statement of financial position as of the date of adoption.January 1, 2018We early adopted this guidance as of January 1, 2018. The adoption of this guidance did not have a material impact on our consolidated financial statements at transition.
ASU 2016-02,
Leases (Topic 842)
and subsequent
related ASUs

The standardAlthough lessor accounting was left materially unchanged by ASU 2016-02 (and all related ASUs which together have been codified in ASC 842), ASC 842 requires that all lessees recognize a lessee recognize assetsright-of-use ("ROU") asset and liabilitiesan offsetting lease liability for leases with lease terms of more than 12 months. Forall leases with a term ofgreater than 12 months or less, amonths. As the lessee, is permitted to makewe adopted an accounting policy election, by class of underlying asset, to not to recognize lease assets and lease liabilities. or liabilities for leases with a term of 12 months or less.

The recognition, measurement, and presentation of expenses and cash flows arising from a lease by a lessee primarily will depend primarily on its classification as a finance or operating lease. However, the standard will require both types of leases to be recognized on the balance sheet. It alsoASC 842 requires additional disclosures to provide financial statement users a better understandunderstanding of the amount, timing, and uncertainty of cash flows arising from leases. These disclosures includenew quantitative and qualitative disclosure requirements are detailed further in Note 8.
January 1,
2019
The Bank adopted ASC 842 as of January 1, 2019 using the second of two permitted modified retrospective approaches for initial adoption. Under this method, the Bank recorded a right-of use asset of approximately $225 million and quantitative requirements, providinga lease liability of approximately $242 million. There was no impact to retained earnings upon adoption.

See Note 8 for additional information about the amounts recorded indetails on the financial statements.
January 1, 2019We are currently evaluating the potentialstatement impact of this guidance oncompleting the Company’s financial statements. Asadoption of December 31, 2017, the Company had minimum noncancelable operating lease payments of $245 million that are being evaluated. The implementation team is working on gathering all key lease data elements to meet the requirements of the new guidance. Additionally, we are implementing new lease software that will accommodate the new accounting requirements.ASC 842.

ASU 2017-08,
Nonrefundable
Fees and Other
Costs (Subtopic
310-20). Premium
Amortization on
Purchased
Callable Debt
Securities
The amendments in this ASU shorten the amortization period for certain callable debt securities held at a premium. The standardASU requires the premium of qualifying debt securities to be amortized to the earliest call date. The update does not change the accounting for callable debt securities held at a discount.January 1,
2019
Our initial analysis suggestsWe adopted this guidance will not have a material impact on the Company’s financial statements, but we will continue to monitor its impact as we move closer to implementation.
ASU 2016-13,
Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments
The standard significantly changes how entities will measure credit losses for most financial assets and certain other instruments that are not measured at fair value through net income. The standard replaces today’s “incurred loss” approach with an “expected loss” model for instruments such as loans and HTM securities that are measured at amortized cost. The standard requires credit losses relating to AFS debt securities to be recorded through an ACL rather than a reduction of the carrying amount. It also changes the accounting for purchased credit-impaired (“PCI”)debt securities and loans. The standard retains many of the current disclosure requirements in current GAAP and expands certain disclosure requirements. Early adoption of the guidance is permitted as of January 1, 2019.January 1, 2020
We have formed an implementation team led jointly by Credit and the Corporate Controller’s group, that also includes other lines of business and functions within the Company. The implementation team is working on developing models that can meet the requirements of the new guidance. While this standard may potentially have2019 using a materialmodified retrospective transition approach. There was no significant impact on the Company’sBank's financial statements we are still in process of conducting our evaluation.



upon adoption.
Standard
ASU 2018-13,
Fair Value
Measurement
(Topic 820):
Disclosure
Framework –
Changes to the
Disclosure
Requirements for
Fair Value
Measurement
DescriptionDateThe purpose of adoption
Effect onthis ASU is to improve the effectiveness of disclosures in the notes to the financial statements
or other significant matters
Standards not adopted bystatements. This update removes, modifies, and makes certain additions to the Company during 2017 (continued)
ASU 2017-04,
Intangibles – Goodwill and Other (Topic 350): Simplifying the Testdisclosure requirements for Goodwill Impairment
The standard eliminates the requirement to calculate the implied fair value of goodwill (i.e. Step 2measurement.
The mandatory adoption date
of the current goodwill impairment test) to measure a goodwill impairment charge. Instead, entities would record an impairment charge based on the excess of a reporting unit’s carrying amount over its fair value (i.e., measure the charge based on Step 1 of the current guidance). The standard does not change the guidance on completing Step 1 of the goodwill impairment test. The standard also continues to allow entities to perform the optional qualitative goodwill impairment assessment before determining whether to proceed to Step 1. The standardin this ASU is effective for the Companyfirst fiscal period beginning after December 15, 2019, with early adoption permitted.
January 1,
2019
We early adopted this ASU as of January 1, 2020. Early adoption2019. This update
will be applied prospectively. The changes to the disclosure requirements for fair value
measurements are not significant to the financial statements and can be found in Note 3.
ASU 2018-15,
Intangibles –
Goodwill and
Other-Internal-
Use Software
(Topic 350-40):
Customer’s
Accounting for
Implementation
Cost Incurred in a
Cloud Computing
Arrangement That
Is a Service
Contract

This ASU aligns the requirements for capitalizing implementation costs associated with Cloud Computing Arrangements that meet the definition of a service contract with requirements already provided for costs associated with internal-use software. Additionally, it clarifies that:
-The amortization period for capitalized amounts will be the noncancelable hosting contract term plus any expected renewal periods;
-Entities in a hosting arrangement that
is alloweda service contract must provide certain qualitative and quantitative disclosures; and
-Transition
for any goodwill impairment test performed afterthose not already following the provisions of this ASU can be applied either retrospectively or prospectively.
January 1,
2019
We early adopted this ASU as of January 1, 2017.January 1, 2020We do2019. The Bank has historically been applying the guidance as clarified in this ASU. Consequently, the adoption of the ASU did not currently expect this guidance will have a materialsignificant impact on the Company’sBank’s financial statements since the fair values of our reporting units were not lower than their respective carrying amounts at the time of our goodwill impairment analysis for 2017.
StandardDescriptionDate of adoptionEffect on the financial statements
or other significant matters
Standards adopted by the Company during 2017
ASU 2016-09,
Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting

The standard requires entities to recognize the income tax effects of share-based awards in the income statement when the awards vest or are settled (i.e. the additional paid-in capital pools will be eliminated). The guidance on employers’ accounting for an employee’s use of shares to satisfy the employer’s statutory income tax withholding obligation and for forfeitures is changing. The standard also provides an entity the option to make an entity-wide accounting policy election to either estimate the number of awards that are expected to vest or account for forfeitures when they occur.January 1, 2017Upon adoption of this ASU, there was no material impact from the cumulative effect adjustment to retained earnings. We elected to account for forfeitures when they occur and to reflect excess tax benefits in the operating section of the statement of cash flows on a prospective basis.
ASU 2018-02, Income StatementReporting Comprehensive Income (Topic 220): Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income
The standard allows a one-time movement between Accumulated Other Comprehensive Income (“AOCI”) and Retained Earnings to adjust for amounts that would otherwise be stranded in AOCI as a result of implementing changes due to the enactment of H.R. 1, known as the Tax Cuts and Jobs Act. The standard is effective for public companies for fiscal years beginning after December 15, 2018, with early adoption, including in an interim period, permitted.December 31, 2017The Company adopted this standard for the 2017 fiscal year financial statements with a $25 million adjusting entry between AOCI and Retained Earnings.statements.

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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
3. FAIR VALUE
Fair Value Measurement
Fair value is defined as the exchange price that would be received for an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. To measure fair value, a hierarchy has been established that requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs. This hierarchy uses three levels of inputs to measure the fair value of assets and liabilities as follows:
Level 1 – Quoted prices in active markets for identical assets or liabilities in active markets that the CompanyBank has the ability to access;


Level 2 – Observable inputs other than Level 1, including quoted prices for similar assets or liabilities in active markets, quoted prices for identical or similar assets or liabilities in less active markets, observable inputs other than quoted prices that are used in the valuation of an asset or liability, and inputs that are derived principally from or corroborated by observable market data by correlation or other means; and
Level 3 – Unobservable inputs supported by little or no market activity for financial instruments whose value is determined by pricing models, discounted cash flow methodologies or similar techniques, as well as instruments for which the determination of fair value requires significant management judgment or estimation.
The level in the fair value hierarchy within which the fair value measurement is classified is determined based on the lowest level input that is significant to the fair value measurement in its entirety. Market activity is presumed to be orderly in the absence of evidence of forced or disorderly sales, although such sales may still be indicative of fair value. Applicable accounting guidance precludes the use of blockage factors or liquidity adjustments due to the quantity of securities held by an entity.
We use fair value to measure certain assets and liabilities on a recurring basis when fair value is the primary measure for accounting. Fair value is used on a nonrecurring basis to measure certain assets when adjusting carrying values, such as the application of lower of cost or fair value accounting, including recognition of impairment on assets. Fair value is also used when providing required disclosures for certain financial instruments.
Fair Value Policies and Procedures
We have various policies, processes and controls in place to ensure that fair values are reasonably developed, reviewed and approved for use. These include a Securities Valuation Committee, comprised of executive management, that reviews and approves on a quarterly basis the key components of fair value estimation, including critical valuation assumptions for Level 3 modeling. A Model Risk Management Group conducts model validations, including internal models, and sets policies and procedures for revalidation, including the timing of revalidation.
Third PartyThird-party Service Providers
We use a third party pricing service to measure fair value for approximately 92%94% of our AFS Level 2 securities. Fair value measurements for other AFS Level 2 securities generally use certain inputs corroborated by market data and include standard discounted cash flow analysis.
For Level 2 securities, the third party pricing service provides documentation on an ongoing basis that presents market corroborative data, including detaildetailed pricing information and market reference data. The documentation includes benchmark yields, reported trades, broker-dealer quotes, issuer spreads, two-sided markets, benchmark securities, bids, offers, and reference data, including information from the vendor trading platform. We review, test and validate this information as appropriate. Absent observable trade data, we do not adjust prices from our third partythird-party sources.
The following describes the hierarchy designations, valuation methodologies and key inputs to measure fair value on a recurring basis for designated financial instruments:
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Available-for-Sale
U.S. Treasury, Agencies and Corporations
U.S. Treasury securities are measured under Level 1 using quoted market prices when available. U.S. agencies and corporations are measured under Level 2 generally using the previously discussed third partythird-party pricing service.
Municipal Securities
Municipal securities are measured under Level 2 generally using the third party pricing service or an internal model. Valuation inputs include Baa municipal curves, as well as Federal Home Loan Bank (“FHLB”) and LIBOR swap curves. Our valuation methodology for non-rated municipal securities changed at year-end of


2015 to utilize more observable inputs, primarily municipal market yield curves, compared to our previous valuation method. The resulting values were determined to be Level 2.service.
Money Market Mutual Funds and Other
Money market mutual funds and other securities are measured under Level 1 or Level 2. For Level 1, quoted market prices are used which may include net asset values (“NAVs”) or their equivalents. Level 2 valuations generally use quoted prices for similar securities. With the adoption of ASU 2016-01, as of January 1, 2018 our money market mutual funds are no longer classified as AFS and are now recognized in trading.
Trading Account
Securities in the trading account are generally measured under Level 2 using third partythird-party pricing service providers as described previously.
Bank-OwnedHeld-to-Maturity
HTM securities are carried at amortized cost, but for disclosure purposes are measured at fair value using a third party pricing service or an internal model. The internal model utilizes observable market yields as inputs.
Bank-owned Life Insurance
Bank-owned life insurance (“BOLI”)BOLI is measured under Level 2 according to CSVs of the insurance policies that are provided by a third party service. Nearly all policies are general account policies with CSVs based on the Company’sBank’s claims on the assets of the insurance companies. The insurance companies’ investments include predominantly fixed incomefixed-income securities consisting of investment-grade corporate bonds and various types of mortgage instruments. Management regularly reviews its BOLI investment performance, including concentrations among insurance providers.
Private Equity Investments
PEIs are generally measured under Level 3. The majority of these investmentsPEIs are held in Zions’the Bank’s Small Business Investment Company (“SBIC”) and are early stageearly-stage venture investments. The fair value measurements of these investments are reviewed at least on a quarterly basis, including whenever a new round of financing occurs. Certain of these investments may be measured using multiples of operating performance. The fair value measurements of PEIs are reviewed on a quarterly basis by the Securities Valuation Committee. The Equity Investments Committee, consisting of executives familiar with the investments, reviews periodic financial information, including audited financial statements when available.
Certain valuation analytics may be employed that include current and projected financial performance, recent financing activities, economic and market conditions, market comparables, market liquidity, sales restrictions, and other factors. A significant change in the expected performance of the individual investment would result in a change in the fair value measurement of the investment. The amount of unfunded commitments to invest is disclosed in Note 15.16. Certain restrictions apply for the redemption of these investments and certain investments are prohibited by the Volcker Rule. See discussiondiscussions in Notes 5 and 15.16.
Agriculture Loan Servicing
This asset results from our servicing of agriculture loans approved and funded by Federal Agricultural Mortgage Corporation (“FAMC”). We provide this servicing under an agreement with FAMC for loans they own. The asset’s fair value represents our projection of the present value of future cash flows measured under Level 3 using discounted cash flow methodologies.
Interest-Only
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Interest-only Strips
Interest-only strips are created as a by-product of the securitization process. When the guaranteed portions of Small Business Administration (“SBA”) 7(a) loans are pooled, interest-only strips may be created in the pooling process. The asset’s fair value represents our projection of the present value of future cash flows measured under Level 3 using discounted cash flow methodologies.
Deferred Compensation Plan Assets and Obligations
Invested assets in the deferred compensation plan consist of shares of registered investment companies. These mutual funds are valued under Level 1 at quoted market prices, which represents the NAV of shares held by the plan at the end of the period.


Derivatives
Derivatives are measured according to their classification as either exchange-traded or over-the-counter. Exchange-traded derivatives consist of foreign currency exchange contracts measured under Level 1 because they are traded in active markets. Over-the-counter derivatives, including those for customers, consist of interest rate swaps and options. These derivatives are measured under Level 2 using third party services. Observable market inputs include yield curves (the LIBOR–the London Interbank Offered Rate (“LIBOR”) swap curve and relevant overnight index swap curves),curves– foreign exchange rates, commodity prices, option volatilities, counterparty credit risk, and other related data. Credit valuation adjustments are required to reflect nonperformance risk for both the CompanyBank and the respective counterparty. These adjustments are determined generally by applying a credit spread to the total expected exposure of the derivative.
Securities Sold, Not Yet Purchased
Securities sold, not yet purchased, included in “Federal funds and other short-term borrowings” on the balance sheet, are measured under Level 1 using quoted market prices. If not available, quoted prices under Level 2 for similar securities are used.
Loans
Loans are generally carried at amortized cost, but for disclosure purposes are measured at fair value under Level 3 according to their status as nonimpaired or impaired. For nonimpaired loans, fair value is estimated by discounting future cash flows using the LIBOR yield curve adjusted by a factor which reflects the credit, interest rate risk and liquidity inherent in the loan. These future cash flows are then reduced by the estimated “life-of-the-loan” aggregate credit losses in the loan portfolio. These adjustments for lifetime future credit losses are derived from the methods used to estimate the ALLL for our loan portfolio and are adjusted quarterly as necessary to reflect the most recent loss experience. Impaired loans that are collateral-dependent are already considered to be held at fair value. Impaired loans that are not collateral-dependent have future cash flows reduced by the estimated “life-of-the-loan” credit loss derived from methods used to estimate the ALLL for these loans. See Impaired Loans in Note 6 for details on the impairment measurement method for impaired loans. Loans, other than those held for sale, are not normally purchased and sold by the Bank, and there are no active trading markets for most of this portfolio.
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Quantitative Disclosure by Fair Value Hierarchy
Assets and liabilities measured at fair value by class on a recurring basis are summarized as follows:
(In millions)December 31, 2019
Level 1Level 2Level 3Total
ASSETS
Investment securities:
Available-for-sale:
U.S. Treasury, agencies and corporations$25  $12,356  $—  $12,381  
Municipal securities1,319  1,319  
Other debt securities25  25  
Total Available-for-sale25  13,700  —  13,725  
Trading account65  117  182  
Other noninterest-bearing investments:
Bank-owned life insurance525  525  
Private equity investments1
 107  116  
Other assets:
Agriculture loan servicing and interest-only strips18  18  
Deferred compensation plan assets113  113  
Derivatives:
Derivatives not designated as hedges:
Customer-facing interest rate146  146  
Other interest rate  
Foreign exchange  
Total Assets$216  $14,491  $125  $14,832  
LIABILITIES
Securities sold, not yet purchased$66  $—  $—  $66  
Other liabilities:
Deferred compensation plan obligations113  113  
Derivatives:
Derivatives not designated as hedges:
Customer-facing interest rate14  14  
Other interest rate  
Foreign exchange  
Total Liabilities$183  $15  $—  $198  
(In millions)December 31, 2017
 Level 1 Level 2 Level 3 Total
ASSETS       
Investment securities:       
Available-for-sale:       
U.S. Treasury, agencies and corporations$25
 $13,706
 $
 $13,731
Municipal securities  1,334
 

 1,334
Other debt securities  24
 

 24
Money market mutual funds and other71
 1
   72
Total Available-for-sale96
 15,065
 
 15,161
Trading account  148
   148
Other noninterest-bearing investments:       
Bank-owned life insurance  507
   507
Private equity investments    95
 95
Other assets:       
Agriculture loan servicing and interest-only strips    18
 18
Deferred compensation plan assets102
     102
Derivatives:       
Interest rate related and other  1
   1
Interest rate swaps for customers  28
   28
Foreign currency exchange contracts9
     9
Total Assets$207
 $15,749
 $113
 $16,069
LIABILITIES       
Securities sold, not yet purchased$95
 $
 $
 $95
Other liabilities:       
Deferred compensation plan obligations102
     102
Derivatives:       
Interest rate swaps for customers  33
   33
Foreign currency exchange contracts7
     7
Total Liabilities$204
 $33
 $
 $237


(In millions)December 31, 2016
 Level 1 Level 2 Level 3 Total
ASSETS       
Investment securities:       
Available-for-sale:       
U.S. Treasury, agencies and corporations$
 $12,009
 $
 $12,009
Municipal securities  1,154
 

 1,154
Other debt securities  24
 

 24
Money market mutual funds and other184
 1
   185
Total Available-for-sale184
 13,188
 
 13,372
Trading account  115
   115
Other noninterest-bearing investments:       
Bank-owned life insurance  497
   497
Private equity investments 1
18
 

 73
 91
Other assets:      

Agriculture loan servicing and interest-only strips    20
 20
Deferred compensation plan assets91
     91
Derivatives:       
Interest rate related and other  4
   4
Interest rate swaps for customers  49
   49
Foreign currency exchange contracts11
     11
Total Assets$304
 $13,853
 $93
 $14,250
LIABILITIES       
Securities sold, not yet purchased$25
 $
 $
 $25
Other liabilities:      

Deferred compensation plan obligations91
     91
Derivatives:       
Interest rate related and other  1
   1
Interest rate swaps for customers  49
   49
Foreign currency exchange contracts9
     9
Total Liabilities$125
 $50
 $
 $175
1The level 1 PEIs amount relates to the portion of our SBIC investments that are now publicly traded.
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(In millions)December 31, 2018
Level 1Level 2Level 3Total
ASSETS
Investment securities:
Available-for-sale:
U.S. Treasury, agencies and corporations$40  $13,385  $—  $13,425  
Municipal securities1,291  1,291  
Other debt securities21  21  
Total Available-for-sale40  14,697  —  14,737  
Trading account14  92  106  
Other noninterest-bearing investments:
Bank-owned life insurance516  516  
Private equity investments102  102  
Other assets:
Agriculture loan servicing and interest-only strips18  18  
Deferred compensation plan assets95  95  
Derivatives:
Derivatives not designated as hedges:
Customer-facing interest rate40  40  
Other interest rate  
Foreign exchange  
Total Assets$153  $15,346  $120  $15,619  
LIABILITIES
Securities sold, not yet purchased$85  $—  $—  $85  
Other liabilities:
Deferred compensation plan obligations95  95  
Derivatives:
Derivatives not designated as hedges:
Customer-facing interest rate36  36  
Other interest rate  
Foreign exchange  
Total Liabilities$182  $37  $—  $219  
Reconciliation of Level 3 Fair Value Measurements
The following reconciles the beginning and ending balances of assets and liabilities that are measured at fair value by class on a recurring basis using Level 3 inputs:
 Level 3 Instruments
December 31, 2019December 31, 2018
(In millions)Private
equity
investments
Ag loan svcg and int-only stripsPrivate
equity
investments
Ag loan svcg and int-only strips
Balance at beginning of year  $102  $18  $95  $18  
Securities gains, net —   —  
Other noninterest income—   —   
Purchases10  —  11  —  
Redemptions and paydowns—  (1) (6) (1) 
Transfers out1
(7) —  —  —  
Balance at end of year$107  $18  $102  $18  
1 This represents the value of a private equity investment at the beginning of the quarter during which it became publicly traded.
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 Level 3 Instruments
 December 31, 2017 December 31, 2016
(In millions)Private
equity
investments
 Ag loan svcg and int-only strips Private
equity
investments
 Ag loan svcg and int-only strips
        
Balance at beginning of year$73
 $20
 $58
 $14
Securities gains, net7
 
 6
 
Other noninterest income
 (1) 
 6
Purchases20
 
 10
 
Redemptions and paydowns(5) (1) (1) 
Balance at end of year$95
 $18
 $73
 $20
During the third quarter of 2019 one of our PEIs became publicly traded and was transferred from Level 3 to Level 1. No transfers of assets or liabilities occurred among Levels 1, 2 or 3 for 2017 and 2016.


2018.
The preceding reconciling amounts usingreconciliation of Level 3 inputs includeinstruments includes the following realized gains/gains and losses in the statement of income:
(In millions)
Year Ended
December 31,
2017 2016
    
Equity securities gains, net$3
 $6
(In millions)Year Ended
December 31,
2019  2018  
Securities gains (losses), net$(9) $(1) 
Nonrecurring Fair Value Measurements
Included in the balance sheet amounts are the following amounts of assets that had fair value changes measured on a nonrecurring basis:
(In millions)Fair value at December 31, 2019Gains (losses) from
fair value changes Year Ended December 31, 2019
Level 1Level 2Level 3Total
ASSETS
Private equity investments, carried at cost$—  $—  $ $ $(1) 
Impaired loans—  —  —  —  —  
Other real estate owned—  —  —  —  (1) 
Total$—  $—  $ $ $(2) 
(In millions)Fair value at December 31, 2017 Gains (losses) from
fair value changes Year Ended December 31, 2017
Level 1 Level 2 Level 3 Total 
ASSETS         
Private equity investments, carried at cost$
 $
 $1
 $1
 $(1)
Impaired loans
 9
 
 9
 (5)
Other real estate owned
 
 
 
 
Total$
 $9
 $1
 $10
 $(6)

(In millions)Fair value at December 31, 2016 Gains (losses) from
fair value changes Year Ended December 31, 2016
(In millions)Fair value at December 31, 2018Gains (losses) from
fair value changes Year Ended December 31, 2018
Level 1 Level 2 Level 3 Total Level 1Level 2Level 3TotalGains (losses) from
fair value changes Year Ended December 31, 2018
ASSETS         ASSETS
Private equity investments, carried at cost$
 $
 $1
 $1
 $(1)Private equity investments, carried at cost$—  $—  $ $ $—  
Impaired loans
 52
 
 52
 (36)Impaired loans—  32  —  32  (13) 
Other real estate owned
 1
 
 1
 (2)Other real estate owned—  —  —  —  (1) 
Total$
 $53
 $1
 $54
 $(39)Total$—  $32  $ $33  $(14) 
The previous fair values may not be current as of the dates indicated, but rather as of the date the fair value change occurred, such as a charge for impairment. Accordingly, carrying values may not equal the current fair value.
We recognized net gains of $2$3 million in 20172019 and $4$1 million in 20162018 from the sale of OREO properties that had a carrying value at the time of sale of approximately $6$5 million in 20172019 and $13$4 million in 2016.2018. Previous to their sale in these years, we recognized an insignificant amount of impairment on these properties in 20172019 and 2016.2018.
PEIs carried at cost were measured at fair value for impairment purposes according to the methodology previously discussed for these investments. Amounts of PEIs carried at cost were $10 million and $13$8 million at December 31, 20172019 and 2016, respectively.$10 million at December 31, 2018. Amounts of other noninterest-bearing investments carried at cost were $338$157 million and $211$329 million at December 31, 20172019 and 2016,2018, respectively, which were comprised of Federal Reserve and FHLBFederal Home Loan Bank (“FHLB”) stock. PEIs accounted for using the equity method were $36$45 million and $35 million at December 31, 20172019 and $38 million at December 31, 2016.2018, respectively.
Impaired (or nonperforming) loans that are collateral-dependent were measured at fair value based on the fair value of the collateral. OREO was measured initially at fair value based on collateral appraisals at the time of transfer and subsequently at the lower of cost or fair value.
Measurement of fair value for collateral-dependent loans and OREO was based on third party appraisals that utilize one or more valuation techniques (income, market and/or cost approaches). Any adjustments to calculated fair value were made based on recently completed and validated third partythird-party appraisals, third party appraisal services,
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automated valuation services, or our informed judgment. Evaluations were made to determine that the appraisal process met the relevant concepts and requirements of applicable accounting guidance.

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Automated valuation services may be used primarily for residential properties when values from any of the previous methods were not available within 90 days of the balance sheet date. These services use models based on market, economic, and demographic values. The use of these models has only occurred in a very few instances and the related property valuations have not been sufficiently significant to consider disclosure under Level 3 rather than Level 2.
Impaired loans that are not collateral-dependent were measured based on the present value of future cash flows discounted at the expected coupon rates over the lives of the loans. Because the loans were not discounted at market interest rates, the valuations do not represent fair value and have been excluded from the nonrecurring fair value balance in the preceding schedules.
Fair Value of Certain Financial Instruments
Following is a summary of the carrying values and estimated fair values of certain financial instruments:
December 31, 2019December 31, 2018
December 31, 2017 December 31, 2016
(Dollar amounts in millions)
Carrying
value
 
Estimated
fair value
 Level 
Carrying
value
 
Estimated
fair value
 Level
(In millions)(In millions)Carrying
value
Estimated
fair value
LevelCarrying
value
Estimated
fair value
Level
Financial assets:        Financial assets:
Held-to-maturity investment securities$770
 $762
 2 $868
 $850
 2Held-to-maturity investment securities$592  $597  2$774  $767   
Loans and leases (including loans held for sale), net of allowance44,306
 44,226
 3 42,254
 42,111
 3Loans and leases (including loans held for sale), net of allowance48,343  47,958  346,312  45,251   
Financial liabilities:        Financial liabilities:
Time deposits3,115
 3,099
 2 2,757
 2,744
 2Time deposits4,719  4,725  24,336  4,319   
Other short-term borrowings3,600
 3,600
 2 500
 500
 2
Long-term debt (less fair value hedges)383
 402
 2 535
 552
 2
Long-term debtLong-term debt1,723  1,751  2724  727   
This summary excludes financial assets and liabilities for which carrying value approximates fair value and financial instruments that are recorded at fair value on a recurring basis. Financial instruments for which carrying values approximate fair value include cash and due from banks, money market investments, demand, savings and money market deposits, federal funds purchased and other short-term borrowings, and security repurchase agreements. The estimated fair value of demand, savings and money market deposits is the amount payable on demand at the reporting date. Carrying value is used because the accounts have no stated maturity and the customer has the ability to withdraw funds immediately.
HTM investment securities primarily consist of municipal securities. They were measured at fair value according to the methodology previously discussed.
Loans are measured at fair value according to their status as nonimpaired or impaired. For nonimpaired loans, fair value is estimated by discounting future cash flows using the LIBOR yield curve adjusted by a factor which reflects the credit and interest rate risk inherent in the loan. These future cash flows are then reduced by the estimated “life-of-the-loan” aggregate credit losses in the loan portfolio. These adjustments for lifetime future credit losses are derived from the methods used to estimate the ALLL for our loan portfolio and are adjusted quarterly as necessary to reflect the most recent loss experience. Impaired loans that are collateral-dependent are already considered to be held at fair value. Impaired loans that are not collateral-dependent have future cash flows reduced by the estimated “life-of-the-loan” credit loss derived from methods used to estimate the ALLL for these loans. See Impaired Loans in Note 6 for details on the impairment measurement method for impaired loans. Loans, other than those held for sale, are not normally purchased and sold by the Company, and there are no active trading markets for most of this portfolio.
Time and foreign deposits, and any other short-term borrowings, are measured at fair value by discounting future cash flows using the LIBOR yield curve to the given maturity dates.
Long-term debt is measured at fair value based on actual market trades (i.e., an asset value) when available, or discounting cash flows to maturity using the LIBOR yield curve adjusted for credit spreads.

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The methods used to measure fair value for HTM securities and loans were previously described in this footnote.
These fair value disclosures represent our best estimates based on relevant market information and information about the financial instruments. Fair value estimates are based on judgments regarding current economic conditions, future expected loss experience, risk characteristics of the various instruments, and other factors. These estimates are subjective in nature, involve uncertainties and matters of significant judgment, and cannot be determined with precision. Changes in these methodologies and assumptions could significantly affect the estimates.
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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
4. OFFSETTING ASSETS AND LIABILITIES
Gross and net information for selected financial instruments in the balance sheet is as follows:
December 31, 2019
(In millions)Gross amounts not offset in the balance sheet
DescriptionGross amounts recognizedGross amounts offset in the balance sheetNet amounts presented in the balance sheetFinancial instrumentsCash collateral received/pledgedNet amount
Assets:
Federal funds sold and security resell agreements$694  $(210) $484  $—  $—  $484  
Derivatives (included in other assets)153  —  153  (6) —  147  
Total assets$847  $(210) $637  $(6) $—  $631  
Liabilities:
Federal funds and other short-term borrowings$2,263  $(210) $2,053  $—  $—  $2,053  
Derivatives (included in other liabilities)19  —  19  (6) (10)  
Total liabilities$2,282  $(210) $2,072  $(6) $(10) $2,056  
  December 31, 2017
(In millions)       Gross amounts not offset in the balance sheet  
Description Gross amounts recognized Gross amounts offset in the balance sheet Net amounts presented in the balance sheet Financial instruments Cash collateral received/pledged Net amount
Assets:            
Federal funds sold and security resell agreements $809
 $(295) $514
 $
 $
 $514
Derivatives (included in other assets) 38
 
 38
 (21) (1) 16
Total assets $847
 $(295) $552
 $(21) $(1) $530
Liabilities:            
Federal funds and other short-term borrowings $5,271
 $(295) $4,976
 $
 $
 $4,976
Derivatives (included in other liabilities) 40
 
 40
 (21) (6) 13
Total liabilities $5,311
 $(295) $5,016
 $(21)
$(6)
$4,989
 December 31, 2016December 31, 2018
(In millions)       Gross amounts not offset in the balance sheet  (In millions)Gross amounts not offset in the balance sheet
Description Gross amounts recognized Gross amounts offset in the balance sheet Net amounts presented in the balance sheet Financial instruments Cash collateral received/pledged Net amountDescriptionGross amounts recognizedGross amounts offset in the balance sheetNet amounts presented in the balance sheetFinancial instrumentsCash collateral received/pledgedNet amount
Assets:            Assets:
Federal funds sold and security resell agreements $568
 $
 $568
 $
 $
 $568
Federal funds sold and security resell agreements$1,461  $—  $1,461  $—  $—  $1,461  
Derivatives (included in other assets) 64
 
 64
 (17) 
 47
Derivatives (included in other assets)45  —  45  (35) (3)  
Total assets $632
 $
 $632
 $(17) $
 $615
Total assets$1,506  $—  $1,506  $(35) $(3) $1,468  
Liabilities:            Liabilities:
Federal funds and other short-term borrowings $827
 $
 $827
 $
 $
 $827
Federal funds and other short-term borrowings$5,653  $—  $5,653  $—  $—  $5,653  
Derivatives (included in other liabilities) 59
 
 59
 (17) (17) 25
Derivatives (included in other liabilities)39  —  39  (35) (1)  
Total liabilities $886
 $
 $886
 $(17) $(17) $852
Total liabilities$5,692  $—  $5,692  $(35) $(1) $5,656  
Security repurchase and reverse repurchase (“resell”) agreements are offset, when applicable, in the balance sheet according to master netting agreements. Security repurchase agreements are included with “Federal funds and other short-term borrowings.” Derivative instruments may be offset under their master netting agreements; however, for accounting purposes, we present these items on a gross basis in the Company’sBank’s balance sheet. See Note 7 for further information regarding derivative instruments.

Table of Contents5. INVESTMENTS

5.INVESTMENTS
Investment Securities
Securities are classified as HTM, AFS or trading. HTM securities, which management has the intent and ability to hold until maturity, are carried at amortized cost. AFS securities are carried at fair value and unrealized gains and losses are reported as net increases or decreases to AOCI. Realized gains and losses on AFS securities are determined by using the cost basis of each individual security.accumulated other comprehensive income (“AOCI”). Trading securities are carried at fair value with gains and losses recognized in current period earnings. The purchase premiums for callable debt securities classified as HTM or AFS are amortized at a constant effective yield to the
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earliest call date. The purchase premiums and discounts for bothall other HTM and AFS securities are amortized and accreted at a constant effective yield to the contractual maturity date and no assumption is made concerning prepayments. As principal prepayments occur, the portion of the unamortized premium or discount associated with the principal reduction is recognized asin interest income in the period the principal is reduced. Note 3 discusses the process to estimate fair value for investment securities.
December 31, 2019
(In millions)Amortized
cost
Gross
unrealized
gains
Gross
unrealized
losses
Estimated
fair value
Held-to-maturity
Municipal securities$592  $ $—  $597  
Available-for-sale
U.S. Treasury securities25  —  —  25  
U.S. Government agencies and corporations:
Agency securities1,301    1,302  
Agency guaranteed mortgage-backed securities9,518  83  42  9,559  
Small Business Administration loan-backed securities1,535   41  1,495  
Municipal securities1,282  37  —  1,319  
Other debt securities25  —  —  25  
Total available-for-sale13,686  126  87  13,725  
Total investment securities$14,278  $131  $87  $14,322  
 December 31, 2017
(In millions)
Amortized
cost
 
Gross
unrealized
gains
 
Gross
unrealized
losses
 
Estimated
fair value
Held-to-maturity       
Municipal securities$770
 $5
 $13
 $762
Available-for-sale       
U.S. Treasury securities25
 
 
 25
U.S. Government agencies and corporations:       
Agency securities1,830
 1
 13
 1,818
Agency guaranteed mortgage-backed securities9,798
 9
 141
 9,666
Small Business Administration loan-backed securities2,227
 10
 15
 2,222
Municipal securities1,336
 9
 11
 1,334
Other debt securities25
 
 1
 24
Total available-for-sale debt securities15,241
 29
 181
 15,089
Money market mutual funds and other72
 
 
 72
Total available-for-sale15,313
 29
 181
 15,161
Total investment securities$16,083
 $34
 $194
 $15,923

 December 31, 2016
(In millions)Amortized
cost
 Gross
unrealized
gains
 Gross
unrealized
losses
 Estimated
fair value
Held-to-maturity       
Municipal securities$868
 $5
 $23
 $850
Available-for-sale       
U.S. Treasury securities
 
 
 
U.S. Government agencies and corporations:      
Agency securities1,846
 2
 9
 1,839
Agency guaranteed mortgage-backed securities7,986
 7
 110
 7,883
Small Business Administration loan-backed securities2,298
 8
 18
 2,288
Municipal securities1,182
 1
 29
 1,154
Other debt securities25
 
 1
 24
Total available-for-sale debt securities13,337
 18
 167
 13,188
Money market mutual funds and other184
 
 
 184
Total available-for-sale13,521
 18
 167
 13,372
Total investment securities$14,389
 $23
 $190
 $14,222

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December 31, 2018
(In millions)Amortized
cost
Gross
unrealized
gains
Gross
unrealized
losses
Estimated
fair value
Held-to-maturity
Municipal securities$774  $ $11  $767  
Available-for-sale
U.S. Treasury securities40  —  —  40  
U.S. Government agencies and corporations:
Agency securities1,394  —  19  1,375  
Agency guaranteed mortgage-backed securities10,236  18  240  10,014  
Small Business Administration loan-backed securities2,042   47  1,996  
Municipal securities1,303   16  1,291  
Other debt securities25  —   21  
Total available-for-sale15,040  23  326  14,737  
Total investment securities$15,814  $27  $337  $15,504  
Maturities
The amortized cost and estimated fair value of investment debt securities are shown subsequently as of December 31, 20172019 by expected timingcontractual maturity of principal payments. Actual principal payments may differ from contractual or expected principal payments because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.
Held-to-maturityAvailable-for-sale
(In millions)Amortized
cost
Estimated
fair value
Amortized
cost
Estimated
fair value
Due in one year or less$101  $102  $122  $122  
Due after one year through five years215  216  718  726  
Due after five years through ten years156  159  2,434  2,450  
Due after ten years120  120  10,412  10,427  
Total$592  $597  $13,686  $13,725  
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 Held-to-maturity Available-for-sale
(In millions)
Amortized
cost
 
Estimated
fair value
 
Amortized
cost
 
Estimated
fair value
        
Due in one year or less$180
 $90
 $2,499
 $2,054
Due after one year through five years372
 336
 5,727
 5,575
Due after five years through ten years159
 230
 4,331
 4,485
Due after ten years59
 106
 2,684
 2,975
Total$770
 $762
 $15,241
 $15,089

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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
The following is a summary of the amount of gross unrealized losses for debt securities and the estimated fair value by length of time the securities have been in an unrealized loss position:
December 31, 2019
Less than 12 months12 months or moreTotal
(In millions)Gross
unrealized
losses
Estimated
fair value
Gross
unrealized
losses
Estimated
fair value
Gross
unrealized
losses
Estimated
fair value
Held-to-maturity
Municipal securities$—  $73  $—  $45  $—  $118  
Available-for-sale
U.S. Government agencies and corporations:
Agency securities 222   359   581  
Agency guaranteed mortgage-backed securities 1,173  38  3,215  42  4,388  
Small Business Administration loan-backed securities 172  40  1,215  41  1,387  
Municipal securities—  50  —   —  55  
Other—  —  —  —  —  —  
Total available-for-sale 1,617  80  4,794  87  6,411  
Total$ $1,690  $80  $4,839  $87  $6,529  
 December 31, 2017
 Less than 12 months 12 months or more Total
(In millions)
Gross
unrealized
losses
 
Estimated
fair value
 
Gross
unrealized
losses
 
Estimated
fair value
 
Gross
unrealized
losses
 
Estimated
fair value
Held-to-maturity           
Municipal securities$3
 $263
 $10
 $292
 $13
 $555
Available-for-sale           
U.S. Government agencies and corporations:           
Agency securities6
 808
 7
 808
 13
 1,616
Agency guaranteed mortgage-backed securities29
 3,609
 112
 4,721
 141
 8,330
Small Business Administration loan-backed securities3
 408
 12
 649
 15
 1,057
Municipal securities6
 554
 5
 230
 11
 784
Other
 
 1
 14
 1
 14
Total available-for-sale44
 5,379
 137
 6,422
 181
 11,801
Total$47
 $5,642
 $147
 $6,714
 $194
 $12,356

December 31, 2018
Less than 12 months12 months or moreTotal
(In millions)Gross
unrealized
losses
Estimated
fair
value
Gross
unrealized
losses
Estimated
fair
value
Gross
unrealized
losses
Estimated
fair
value
Held-to-maturity
Municipal securities$ $86  $10  $438  $11  $524  
Available-for-sale
U.S. Government agencies and corporations:
Agency securities 245  17  913  19  1,158  
Agency guaranteed mortgage-backed securities16  1,081  224  6,661  240  7,742  
Small Business Administration loan-backed securities19  1,180  28  711  47  1,891  
Municipal securities 266  14  641  16  907  
Other—  —   11   11  
Total available-for-sale39  2,772  287  8,937  326  11,709  
Total$40  $2,858  $297  $9,375  $337  $12,233  
 December 31, 2016
 Less than 12 months 12 months or more Total
(In millions)
Gross
unrealized
losses
 
Estimated
fair
value
 
Gross
unrealized
losses
 
Estimated
fair
value
 
Gross
unrealized
losses
 
Estimated
fair
value
Held-to-maturity           
Municipal securities$15
 $467
 $8
 $61
 $23
 $528
Available-for-sale           
U.S. Government agencies and corporations:           
Agency securities9
 950
 
 127
 9
 1,077
Agency guaranteed mortgage-backed securities102
 6,649
 7
 326
 109
 6,975
Small Business Administration loan-backed securities3
 527
 16
 841
 19
 1,368
Municipal securities28
 992
 
 9
 28
 1,001
Other
 
 2
 14
 2
 14
Total available-for-sale142
 9,118
 25
 1,317
 167
 10,435
Total$157
 $9,585
 $33
 $1,378
 $190
 $10,963
At December 31, 20172019 and 2016,2018, respectively, 667146 and 642606 HTM and 2,262849 and 2,3982,588 AFS investment securities were in an unrealized loss position.

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Other-Than-Temporary Impairment
Ongoing Policy
We review investment securities on a quarterly basis for the presence of OTTI. We assess whether OTTI is present when the fair value of a debt security is less than its amortized cost basis at the balance sheet date (the majoritydate. When we do not expect to recover the entire amortized cost basis of a security then the investment portfolio are debt securities). Under these circumstances,decline in fair value is considered to be other-than-temporary. OTTI is considered to have occurred for debt securities in unrealized loss positions if (1) we have formed a documented intent to sell identified securities or initiated such sales; (2)sales or it is “more likely than not” we will be required to sell the security before recovery of its amortized cost basis; or (3)basis. In these scenarios the presentimpairment loss is equal to the full difference between the amortized cost basis and the fair value of the securities. For debt securities in an unrealized loss position that we have the intent and ability to hold, the expected cash flows is not sufficient to recoverbe received from the entire amortized cost basis.
Noncredit-related OTTI in securities we intendare evaluated to selldetermine if a credit loss exists. In the event of a credit loss, only the amount of the impairment associated with the credit loss is recognized in earnings as is any credit-related OTTIincome. Unrealized losses relating to factors other than credit losses are recorded in securities, regardlessOCI.
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Table of our intent. Noncredit-related OTTI on AFS securities not expected to be sold is recognized in OCI. The amount of noncredit-related OTTI in a security is quantified as the difference in a security’s amortized cost after adjustment for credit impairment, and its lower fair value. Presentation of OTTI is made in the statement of income on a gross basis with an offset for the amount of OTTI recognized in OCI.Contents
ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
Our OTTI evaluation process takes into consideration current market conditions; fair value in relationship to cost; extent and nature of change in fair value; severity and duration of the impairment; recent events specific to the issuer or industry; our assessment of the creditworthiness of the issuer, including external credit ratings, changes, recent downgrades, and trends; the cash flow priority position of the instrument that we hold in the case of structured securities; volatility of earnings and trends; current analysts’ evaluations; all available information relevant to the collectability of debt securities; and other key measures. In addition, for AFS securities with fair values below amortized cost, we must determine if we intend to sell the securities or if it is more likely than not that we will be required to sell the securities before recovery of their amortized cost basis. For HTM securities, we must determine we have the ability to hold the securities to maturity. We consider any other relevant factors before concluding our evaluation for the existence of OTTI in our securities portfolio.
Other-Than-Temporary Impairment ConclusionsAllowance for Credit Losses
The ACL includes the ALLL and the RULC. The ALLL represents management’s estimate of probable losses believed to be inherent in the loan portfolio. The determination of the appropriate level of the allowance is based on periodic evaluations of the portfolios. This process includes both quantitative and qualitative analyses, as well as a qualitative review of the results. The qualitative review requires a significant amount of judgment, and is described in more detail in Note 6 of the Notes to Consolidated Financial Statements.
The RULC provides for potential losses associated with off-balance sheet lending commitments and standby letters of credit. The reserve is estimated using the same procedures and methodologies as for the ALLL, plus assumptions regarding the probability and amount of unfunded commitments being drawn.
Although we believe that our processes for determining an appropriate level for the allowance adequately address the various components that could potentially result in credit losses, the processes and their elements include features that may be susceptible to significant change. Any unfavorable differences between the actual outcome of credit-related events and our estimates could require an additional provision for credit losses.As an example, if the probability of default risk grade for all pass-graded loans was immediately downgraded one grade on our internal risk-grading scale, the quantitatively determined amount of the ALLL at December 31, 2019 would increase by approximately $90 million. This sensitivity analysis is hypothetical and has been provided only to indicate the potential impact that changes in risk grades may have on the allowance estimate.
Although the qualitative process is subjective, it represents the Bank’s best estimate of qualitative factors impacting the determination of the ACL. We believe that given the procedures we follow in determining the ACL, the various components used in the current estimation processes are appropriate. Note 6 of the Notes to Consolidated Financial Statements and “Credit Risk Management” on page 54contains further information and more specific descriptions of the processes and methodologies used to estimate the ACL.
On January 1, 2020, we adopted CECL and recorded an ACL for loans and leases of $526 million, resulting in an after-tax increase to retained earnings of $20 million. The impact of the adoption of CECL for our securities portfolio was less than $1 million. The ACL, as calculated under CECL, is influenced by the portfolio composition, credit quality, macroeconomic conditions, and forecasts at that time, as well as other management judgments. See Note 2 of the Notes to Consolidated Financial Statements on page 93 for more information on this guidance and its impact on the Bank.
Accounting for Goodwill
Goodwill is initially recorded at fair value in the financial statements of a reporting unit at the time of its acquisition and is subsequently evaluated at least annually for impairment in accordance with current accounting guidance. We perform this test at the beginning of the fourth quarter annually, or more often if events or circumstances indicate that the carrying value of any of our reporting units, inclusive of goodwill, is less than fair value. The goodwill impairment test for a given reporting unit compares its fair value with its carrying value. If the carrying amount, inclusive of goodwill, is more likely than not to exceed its fair value, additional quantitative analysis must be performed to determine the amount, if any, of goodwill impairment. Our reporting units with goodwill are Amegy, CB&T, and Zions Bank.
To determine the fair value of a reporting unit, we historically have used a combination of up to three separate quantitative methods: comparable publicly-traded commercial banks in the Western and Southwestern states
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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
(“Market Value”); where applicable, comparable acquisitions of commercial banks in the Western and Southwestern states (“Transaction Value”); and the discounted present value of management’s estimates of future cash flows. Critical assumptions that are used as part of these calculations include:
Selection of comparable publicly-traded companies based on location, size, and business focus and composition;
Selection of market comparable acquisition transactions based on location, size, business focus and composition, and date of the transaction;
The discount rate, which is based on the Bank’s estimate of its cost of equity capital;
The projections of future earnings and cash flows of the reporting unit;
The relative weight given to the valuations derived by the three methods described; and
The control premium associated with reporting units.
We apply a control premium in the Market Value approach to determine the reporting units’ equity values. Control premiums represent the ability of a controlling shareholder to change how the Bank is managed and can cause the fair value of a reporting unit as a whole to exceed its market capitalization. Based on a review of historical bank acquisition transactions within the Bank’s geographic footprint, and a comparison of the target banks’ market values 30 days prior to the announced transaction to the deal value, we have determined that a control premium ranging from 0% to 15% for the reporting units was appropriate.
Since estimates are an integral part of the impairment computations, changes in these estimates could have a significant impact on any calculated impairment amount. Estimates include economic conditions, which impact the assumptions related to interest and growth rates, loss rates, and imputed cost of equity capital. The fair value estimates for each reporting unit incorporate current economic and market conditions, including Federal Reserve monetary policy expectations and the impact of legislative and regulatory changes. Additional factors that may significantly affect the estimates include, among others, competitive forces, customer behaviors and attrition, loan losses, changes in growth trends, cost structures and technology, changes in equity market values and merger and acquisition valuations, and changes in industry conditions.
Weakening in the economic environment, a decline in the performance of the reporting units, or other factors could cause the fair value of one or more of the reporting units to fall below carrying value, resulting in a goodwill impairment charge. Additionally, new legislative or regulatory changes not anticipated in management’s expectations may cause the fair value of one or more of the reporting units to fall below the carrying value, resulting in a goodwill impairment charge. Any impairment charge would not affect the Banks regulatory capital ratios, tangible common equity ratio, or liquidity position.
During the fourth quarter of 2017, we performed a full quantitative analysis of the reporting units’ fair value as described above. Our evaluation process determined that the fair values of Amegy, CB&T, and Zions Bank exceeded their carrying values by 35%, 54%, and 78%, respectively. Additionally, we performed a hypothetical sensitivity analysis on the discount rate assumption to evaluate the impact of an adverse change to this assumption. If the discount rate applied to future earnings was increased by 100 bps, the fair values of Amegy, CB&T, and Zions Bank would exceed their carrying values by 33%, 52%, and 72%, respectively.
During the fourth quarter of 2019, we performed our annual goodwill impairment evaluation, effective October 1, 2019. The Bank elected to perform a qualitative analysis to determine if the quantitative analysis performed in prior years as described above was required. The Bank’s qualitative analysis assessed factors related to each reporting unit to determine if it was more likely than not that the carrying value of any reporting unit was greater than the unit’s fair value. The qualitative factors considered in our assessment for each reporting unit included (1) economic, industry and market conditions, (2) regulatory or political developments that could negatively impact operating costs and overall financial performance of any of our specific reporting units, and (3) any changes in management, key personnel, strategy, customers, and any new or evolving litigation.
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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
None of the factors considered in our qualitative assessment gave any indication that the reporting units’ fair values decreased during the 2019 fiscal year. Additionally, as evidenced in the Business Segment Analysis section of the MD&A, each reporting unit’s key performance metrics remained materially unchanged or improved in 2019, compared with 2017. Considering the improved performance of each reporting unit and the lack of any significant concerns being identified in our qualitative assessment, we concluded that it is more likely than not that the fair value of each reporting unit continues to be greater than its carry amount making further quantitative impairment testing unnecessary. As a result, none of our reporting units were subject to goodwill impairment during 2019 or were determined to be at risk for a potential goodwill impairment in the near future based on information known at this time.
RECENT ACCOUNTING PRONOUNCEMENTS AND DEVELOPMENTS
Note 2 of the Notes to Consolidated Financial Statements discusses recently issued accounting pronouncements that we will be required to adopt. Also discussed is our expectation of the impact these new accounting pronouncements will have, to the extent they are material, on our financial condition, results of operations, or liquidity.
ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK
Information required by this Item is included in “Interest Rate and Market Risk Management” in MD&A beginning on page 64 and is hereby incorporated by reference.
ITEM 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA
REPORT ON MANAGEMENT’S ASSESSMENT OF INTERNAL CONTROL OVER FINANCIAL REPORTING
The management of Zions Bancorporation, National Association and subsidiaries (“the Bank”) is responsible for establishing and maintaining adequate internal control over financial reporting for the Bank as defined by Exchange Act Rules 13a-15 and 15d-15.
Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate. Although any system of internal control can be compromised by human error or intentional circumvention of required procedures, we believe our system provides reasonable assurance that financial transactions are recorded and reported properly, providing an adequate basis for reliable financial statements.
The Bank’s management has used the criteria established in Internal Control – Integrated Framework (2013 framework) issued by the COSO to evaluate the effectiveness of the Bank’s internal control over financial reporting.
The Bank’s management has assessed the effectiveness of the Bank’s internal control over financial reporting as of December 31, 2019 and has concluded that such internal control over financial reporting is effective. There are no material weaknesses in the Bank’s internal control over financial reporting that have been identified by the Bank’s management.
Ernst & Young LLP, an independent registered public accounting firm, has audited the consolidated financial statements of the Bank for the year ended December 31, 2019 and has also issued an attestation report, which is included herein, on internal control over financial reporting in accordance with the standards of the Public Company Accounting Oversight Board (“PCAOB”).
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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
REPORTS OF ERNST & YOUNG LLP, INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
REPORT ON INTERNAL CONTROL OVER FINANCIAL REPORTING
To the Shareholders and the Board of Directors of Zions Bancorporation, National Association and Subsidiaries
Opinion on Internal Control Over Financial Reporting
We have audited Zions Bancorporation, National Association and subsidiaries’ internal control over financial reporting as of December 31, 2019, based on criteria established in Internal Control - Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (2013 framework) (the COSO criteria). In our opinion, Zions Bancorporation, National Association and subsidiaries' (the Bank) maintained, in all material respects, effective internal control over financial reporting as of December 31, 2019, based on the COSO criteria.
We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the 2019 consolidated financial statements of the Bank and our report dated February 25, 2020 expressed an unqualified opinion thereon.
Basis for Opinion
The Bank’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 Report on Management’s Assessment of Internal Control over Financial Reporting. Our responsibility is to express an opinion on the Bank’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 Bank 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 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 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 its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.
/s/ Ernst & Young LLP
Salt Lake City, Utah
February 25, 2020
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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
REPORT ON CONSOLIDATED FINANCIAL STATEMENTS
To the Shareholders and the Board of Directors of Zions Bancorporation, National Association and Subsidiaries
Opinion on the Financial Statements
We have audited the accompanying consolidated balance sheets of Zions Bancorporation, National Association and subsidiaries (“the Bank”) as of December 31, 2019 and 2018, the related consolidated statements of income, comprehensive income, changes in shareholders' equity, and cash flows for each of the three years in the period ended December 31, 2019, and the related notes (collectively referred to as the “consolidated financial statements”). In our opinion, the consolidated financial statements present fairly, in all material respects, the financial position of the Bank at December 31, 2019 and 2018, and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2019, in conformity with U.S. generally accepted accounting principles.
We have also audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the Bank’s internal control over financial reporting as of December 31, 2019, based on criteria established in Internal Control–Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (2013 framework), and our report dated February 25, 2020 expressed an unqualified opinion thereon.
Basis for Opinion
These financial statements are the responsibility of the Bank’s management. Our responsibility is to express an opinion on the Bank’s financial statements based on our audits. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Bank 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 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, 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 regarding the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audits provide a reasonable basis for our opinion.
Critical Audit Matter
The critical audit matter communicated below is a matter arising from the current period audit of the financial statements that was communicated or required to be communicated to the audit committee and that: (1) relates to accounts or disclosures that are material to the financial statements and (2) involved our especially challenging, subjective or complex judgements. The communication of the critical audit matter does not alter in any way our opinion on the consolidated financial statements, taken as a whole, and we are not, by communicating the critical audit matter below, providing a separate opinion on the critical matter or on the account and the disclosures to which it relates.
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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
Allowance for loan losses
Description of the MatterAs of December 31, 2019, the Bank's commercial and commercial real estate (CRE) loan portfolio totaled $36.9 billion and represented 76% of the total loan portfolio, and the associated allowance for loan and lease losses (ALLL) was $450 million and represented 91% of the total ALLL. As more fully described in Note 6 to the Consolidated financial statements, the ALLL represented the Bank's estimate of probable and estimable losses inherent in the loan portfolio as of the balance sheet date. Management's commercial and CRE allowance model includes quantitative calculations supplemented with qualitative and environmental factors ("qualitative factor adjustments") that the models quantitative calculations may not incorporate. There is significant amount of judgement required by management when reviewing the qualitative factor adjustments and the resulting qualitative estimate for the commercial and CRE loan portfolios.
Auditing management's estimate of the ALLL is complex due to the judgmental nature of the commercial and CRE qualitative factor adjustments used in the ALLL calculation. Management's identification and measurement of the qualitative estimate is highly judgmental and could have a significant effect on the ALL.
How We Addressed the Matter in Our AuditWe obtained an understanding, evaluated the design and tested the operating effectiveness of controls that address the risk of material misstatement of the qualitative estimate. We tested controls over the Bank's allowance governance process, the data utilized in the qualitative factor adjustments, and management's identification of and review of the qualitative estimate which included observing key management meetings where the estimate is reviewed and approved.
To test the reasonableness of the Bank's qualitative factor adjustments, our procedures, included, among others, evaluating management's ALLL estimate by obtaining an understanding of any changes in underlying qualitative factor adjustments and evaluating the methodology. We assessed the qualitative factor adjustments considered by management related to changes in lending policies and procedures; national, regional and local economic and business conditions; nature and volume of the portfolio: lending staff experience; asset quality trends; internal loan review risk identification; collateral values; the existence and effects of concentrations; the effect of other external factors and we assessed the basis for concluding whether qualitative factor adjustments were warranted. We evaluated the accuracy of management's inputs into the qualitative factor adjustments by comparing the inputs to the Bank's historical loan performance data, third-party macroeconomic data and peer bank data.
Further, we assessed whether the total amount of the qualitative estimate was consistent with the Bank's historical loss information, credit quality statistics, and publicly observable indicators of macoreconomic financial conditions and whether the total ALLL amount was reflective of losses incurred in the loan portfolio as of the consolidated balance sheet date.

/s/ Ernst & Young LLP
We have served as the Bank’s auditor since 2000.
Salt Lake City, Utah
February 25, 2020
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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
CONSOLIDATED BALANCE SHEETS
(In millions, shares in thousands)December 31,
20192018
ASSETS
Cash and due from banks$705  $614  
Money market investments:
Interest-bearing deposits743  619  
Federal funds sold and security resell agreements484  1,461  
Investment securities:
Held-to-maturity, at amortized cost (approximate fair value $597 and $767)592  774  
Available-for-sale, at fair value13,725  14,737  
Trading account, at fair value182  106  
Total investment securities14,499  15,617  
Loans held for sale129  93  
Loans and leases, net of unearned income and fees48,709  46,714  
Less allowance for loan losses495  495  
Loans, net of allowance48,214  46,219  
Other noninterest-bearing investments898  1,046  
Premises, equipment and software, net1,142  1,124  
Goodwill and intangibles1,014  1,015  
Other real estate owned  
Other assets1,336  934  
Total assets$69,172  $68,746  
LIABILITIES AND SHAREHOLDERS’ EQUITY
Deposits:
Noninterest-bearing demand$23,576  $23,645  
Interest-bearing:
Savings and money market28,790  26,120  
Time4,719  4,336  
Total deposits57,085  54,101  
Federal funds and other short-term borrowings2,053  5,653  
Long-term debt1,723  724  
Reserve for unfunded lending commitments59  57  
Other liabilities899  633  
Total liabilities61,819  61,168  
Shareholders’ equity:
Preferred stock, without par value; authorized 4,400 shares566  566  
Common stock ($0.001 par value; authorized 350,000 shares; issued and outstanding 165,057 and 187,554 shares and additional paid-in capital2,735  3,806  
Retained earnings4,009  3,456  
Accumulated other comprehensive income (loss)43  (250) 
Total shareholders’ equity7,353  7,578  
Total liabilities and shareholders’ equity$69,172  $68,746  
See accompanying notes to consolidated financial statements.
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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF INCOME
(In millions, except shares and per share amounts)Year Ended December 31,
201920182017
Interest income:
Interest and fees on loans$2,289  $2,102  $1,847  
Interest on money market investments32  29  19  
Interest on securities362  350  326  
Total interest income2,683  2,481  2,192  
Interest expense:
Interest on deposits254  135  59  
Interest on short- and long-term borrowings157  116  68  
Total interest expense411  251  127  
Net interest income2,272  2,230  2,065  
Provision for credit losses:
Provision for loan losses37  (39) 24  
Provision for unfunded lending commitments (1) (7) 
Total provision for credit losses39  (40) 17  
Net interest income after provision for credit losses2,233  2,270  2,048  
Noninterest income:
Commercial account fees121  122  126  
Card fees92  94  96  
Retail and business banking fees78  78  78  
Loan-related fees and income75  74  72  
Capital markets and foreign exchange fees78  58  49  
Wealth management and trust fees60  55  47  
Other customer-related fees21  27  22  
Customer-related fees525  508  490  
Dividends and other income34  43  40  
Securities gains, net  14  
Total noninterest income562  552  544  
Noninterest expense:
Salaries and employee benefits1,141  1,070  1,006  
Occupancy, net133  132  129  
Furniture, equipment and software, net135  126  130  
Other real estate expense, net(3)  (1) 
Credit-related expense20  25  29  
Professional and legal services47  52  57  
Advertising19  26  22  
FDIC premiums25  50  53  
Other225  197  231  
Total noninterest expense1,742  1,679  1,656  
Income before income taxes1,053  1,143  936  
Income taxes237  259  344  
Net income816  884  592  
Preferred stock dividends(34) (34) (40) 
Preferred stock redemption—  —  (2) 
Net earnings applicable to common shareholders$782  $850  $550  
Weighted average common shares outstanding during the year:
Basic shares (in thousands)175,984  193,589  200,776  
Diluted shares (in thousands)186,504  206,501  209,653  
Net earnings per common share:
Basic$4.41  $4.36  $2.71  
Diluted4.16  4.08  2.60  
See accompanying notes to consolidated financial statements.
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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
(In millions)Year Ended December 31,
201920182017
Net income$816  $884  $592  
Other comprehensive income (loss), net of tax:
Net unrealized holding gains (losses) on investment securities257  (113) (2) 
Net unrealized gains (losses) on other noninterest-bearing investments(9)   
Net unrealized holding gains (losses) on derivative instruments33  (4) (3) 
Reclassification adjustment for decrease (increase) in interest income recognized in earnings on derivative instruments  (2) 
Pension and postretirement  12  
Effect of new tax rates from Tax Cuts and Jobs Act of 2017—  —  (25) 
Other comprehensive income (loss)293  (111) (17) 
Comprehensive income$1,109  $773  $575  
See accompanying notes to consolidated financial statements.
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CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS’ EQUITY
(In millions, except shares
and per share amounts)
Preferred
stock
Common stockAccumulated paid-in capitalRetained earningsAccumulated
other
comprehensive income (loss)
Total
shareholders’ equity
Shares
(in thousands)
Amount
Balance at December 31, 2016  $710  203,085  $4,725  $—  $2,321  $(122) $7,634  
Net income592  592  
Other comprehensive income, net of tax  
Preferred stock redemption(144)  (2) (144) 
Bank common stock repurchased(7,044) (321) (321) 
Net activity under employee plans and related tax benefits1,491  39  39  
Dividends on preferred stock(40) (40) 
Dividends on common stock, $0.44 per share(89) (89) 
Effect of new tax rates from Tax Cuts and Jobs Act of 201725  (25) —  
Balance at December 31, 2017566  197,532  4,445  —  2,807  (139) 7,679  
Net income884  884  
Merger of Bank Holding Company into Bank(4,052) 4,052  —  
Cumulative effect adjustment, adoption of ASU 2014-09, Revenue from Contracts with Customers1 
Other comprehensive loss, net of tax(111) (111) 
Bank common stock repurchased(12,984) (422) (250) (672) 
Net shares issued from stock warrant exercises1,770  —  
Net activity under employee plans and related tax benefits1,236  29  433  
Dividends on preferred stock(34) (34) 
Dividends on common stock, $1.04 per share(202) (202) 
Balance at December 31, 2018566  187,554  —  3,806  3,456  (250) 7,578  
Net income816  816  
Cumulative effect adjustment, adoption of ASU 2017-08, Premium Amortization on Purchased Callable Debt Securities(3) (3) 
Other comprehensive income, net of tax293  293  
Bank common stock repurchased(23,531) (1,102) (1,102) 
Net shares issued from stock warrant exercises —  
Net activity under employee plans and related tax benefits1,026  31  31  
Dividends on preferred stock(34) (34) 
Dividends on common stock, $1.28 per share(226) (226) 
Balance at December 31, 2019$566  165,057  $—  $2,735  $4,009  $43  $7,353  
See accompanying notes to consolidated financial statements.
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CONSOLIDATED STATEMENTS OF CASH FLOWS
(In millions)Year Ended December 31,
201920182017
CASH FLOWS FROM OPERATING ACTIVITIES
Net income$816  $884  $592  
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses39  (40) 17  
Depreciation and amortization188  193  179  
Share-based compensation27  26  25  
Deferred income tax expense (benefit)(2) —  154  
Net decrease (increase) in trading securities(76) 42  (33) 
Net decrease (increase) in loans held for sale(84)  97  
Change in other liabilities(14) 74  29  
Change in other assets(179) 14  (89) 
Other, net(18) (26) (43) 
Net cash provided by operating activities697  1,176  928  
CASH FLOWS FROM INVESTING ACTIVITIES
Net decrease (increase) in money market investments852  (784) 683  
Proceeds from maturities and paydowns of investment securities held-to-maturity391  361  314  
Purchases of investment securities held-to-maturity(209) (365) (216) 
Proceeds from sales, maturities, and paydowns of investment securities
available-for-sale
3,105  3,061  2,412  
Purchases of investment securities available-for-sale(1,864) (2,927) (4,719) 
Net change in loans and leases(1,957) (1,943) (2,135) 
Purchases and sales of other noninterest-bearing investments172  14  (105) 
Purchases of premises and equipment(117) (129) (169) 
Other, net  16  
Net cash provided by (used in) investing activities375  (2,706) (3,919) 
CASH FLOWS FROM FINANCING ACTIVITIES
Net increase (decrease) in deposits2,984  1,484  (614) 
Net change in short-term funds borrowed(3,600) 2,677  2,149  
Proceeds from debt over 90 days and up to one year—  —  5,100  
Repayments of debt over 90 days and up to one year—  (2,000) (3,100) 
Cash paid for preferred stock redemptions—  —  (144) 
Repayments of long-term debt—  (162) (153) 
Proceeds from the issuance of long-term debt992  497  —  
Bank common stock repurchased(1,102) (672) (321) 
Proceeds from the issuance of common stock14  20  25  
Dividends paid on common and preferred stock(260) (236) (129) 
Other, net(9) (12) (11) 
Net cash provided by (used in) financing activities(981) 1,596  2,802  
Net increase (decrease) in cash and due from banks91  66  (189) 
Cash and due from banks at beginning of year614  548  737  
Cash and due from banks at end of year$705  $614  $548  
Cash paid for interest$401  $237  $118  
Net cash paid for income taxes233  207  246  
Noncash activities are summarized as follows:
Loans held for investment transferred to other real estate owned12    
Loans held for investment reclassified to loans held for sale, net85  111  25  
See accompanying notes to consolidated financial statements.
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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
December 31, 2019
1.SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Business
Zions Bancorporation, National Association, (“Zions Bancorporation, N.A.”, “the Bank,” “we,” “our,” “us”) is a national commercial bank headquartered in Salt Lake City, Utah. The Bank provides a full range of banking and related services in 11 Western and Southwestern states through seven separately managed and branded units as follows: Zions Bank, in Utah, Idaho and Wyoming; California Bank & Trust (“CB&T”); Amegy Bank (“Amegy”), in Texas; National Bank of Arizona (“NBAZ”); Nevada State Bank (“NSB”); Vectra Bank Colorado (“Vectra”), in Colorado and New Mexico; and The Commerce Bank of Washington (“TCBW”) which operates under that name in Washington and under the name The Commerce Bank of Oregon (“TCBO”) in Oregon.
Basis of Financial Statement Presentation and Principles of Consolidation
The consolidated financial statements include the accounts of the Bank and its majority-owned subsidiaries. Unconsolidated investments where we have the ability to exercise significant influence over the operating and financial policies of the respective investee are accounted for using the equity method of accounting. All significant intercompany accounts and transactions have been eliminated in consolidation. Assets held in an agency or fiduciary capacity are not included in the Consolidated Financial Statements.
The consolidated financial statements have been prepared in accordance with United States (“U.S.”) generally accepted accounting principles (“GAAP”) and prevailing practices within the financial services industry. References to GAAP, including standards promulgated by the Financial Accounting Standards Board (“FASB”), are made according to sections of the Accounting Standards Codification (“ASC”). Changes to the ASC are made with Accounting Standards Updates (“ASU”) that include consensus issues of the Emerging Issues Task Force (“EITF”). In certain cases, ASUs are issued jointly with International Financial Reporting Standards.
In preparing the consolidated financial statements, we are required to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from those estimates. Certain prior year amounts have been reclassified to conform with the current year presentation. These reclassifications did not recognizeaffect net income or shareholders’ equity.
Variable Interest Entities
A variable interest entity (“VIE”) is consolidated when a company is the primary beneficiary of the VIE. Current accounting guidance requires continuous analysis on a qualitative rather than a quantitative basis to determine the primary beneficiary of a VIE. At the commencement of our involvement, and periodically thereafter, we consider our consolidation conclusions for all entities with which we are involved. As of December 31, 2019 and 2018, zero VIEs have been consolidated in the Bank’s financial statements.
Statement of Cash Flows
For purposes of presentation in the consolidated statements of cash flows, “cash and cash equivalents” are defined as those amounts included in cash and due from banks in the consolidated balance sheets.
Fair Value Estimates
We measure many of our assets and liabilities on a fair value basis. Fair value is the price that could be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants. To improve consistency and comparability in fair value measurements, GAAP has established a hierarchy to prioritize the valuation inputs among three levels. The Bank prioritizes quoted prices in active markets and minimizes reliance on unobservable inputs when possible. When observable market prices are not available, fair value is estimated using modeling techniques such as discounted cash flow analysis. These modeling techniques use assumptions that market
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participants would consider in pricing the asset or the liability, including assumptions about the risk inherent in a particular valuation technique, the effect of a restriction on the sale or use of an asset, the life of the asset and applicable growth rate, the risk of nonperformance, and other related assumptions. Changes in market conditions may reduce the availability of quoted prices or observable data. When market data is not available, the Bank uses valuation techniques requiring professional judgment to estimate the appropriate fair value. See Note 3 of the Notes to Consolidated Financial Statements for further information regarding the use of fair value estimates.
Security Resell Agreements
Security resell agreements represent overnight and term agreements with the majority maturing within 30 days. These agreements are generally treated as collateralized financing transactions and are carried at amounts at which the securities were acquired plus accrued interest. Either the Bank, or in some instances third parties on its behalf, take possession of the underlying securities. The fair value of such securities is monitored throughout the contract term to ensure that asset values remain sufficient to protect against counterparty default. We are permitted by contract to sell or repledge certain securities that we accept as collateral for security resell agreements. If sold, our obligation to return the collateral is recorded as “securities sold, not yet purchased” and included as a liability in “Federal funds and other short-term borrowings.” At December 31, 2019, we held $0.3 billion of securities for which we were permitted by contract to sell or repledge. Security resell agreements averaged $0.6 billion during 2019, and the maximum amount outstanding at any OTTImonth-end during 2019 was $1.0 billion.
Investment Securities
We classify our investment securities according to their purpose and holding period. Gains or losses on itsthe sale of securities are recognized using the specific identification method and recorded in noninterest income.
Held-to-maturity (“HTM”) debt securities are carried at amortized cost with purchase discounts or premiums accreted or amortized into interest income over the contractual life of the security. The Bank has the intent and ability to hold such securities until maturity.
Available-for-sale (“AFS”) securities are stated at fair value and generally consist of debt securities held for investment. Unrealized gains and losses of AFS securities, after applicable taxes, are recorded as a component of other comprehensive income (“OCI”).
We review quarterly our investment securities portfolio for any declines in value that are considered to be other-than-temporary impairment (“OTTI”). The process, methodology, and factors considered to evaluate securities for OTTI are discussed further in Note 5.
Trading securities are stated at fair value and consist of securities acquired for short-term appreciation or other trading purposes. Realized and unrealized gains and losses are recorded in trading income, which is included in “Capital markets and foreign exchange.”
The fair values of investment securities, as estimated under current accounting guidance, are discussed in Note 3.
Leases
As a lessee when we enter a lease contract we classify and account for the lease as either a finance lease or an operating lease, depending on the terms and conditions of the lease. A finance lease is recorded as an asset and a liability, and the asset is generally depreciated over the lease term. The lease liability is reduced as lease payments are made. An operating lease is recorded as a right-of-use ("ROU") asset and operating lease liability. These balance sheet items are reduced as lease payments are made. Lease payments are expensed over the lease term; they are recorded as rent expense and are recognized on a straight-line basis. Lease-related assets are reviewed for impairment on an on-going basis.
The lease term is the noncancelable period that we have the right to use the leased asset. This term begins on the commencement date of the lease and incorporates options to extend or renew the lease when it is reasonably certain that we will exercise these options.
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Loans and Allowance for Credit Losses
Loans are reported at the principal amount outstanding, net of unearned income, unamortized purchase premiums and discounts, and net deferred loan fees and costs, which are amortized to interest income over the life of the loan using the interest method. Interest income is recognized on an accrual basis.
At the time of origination, we determine whether loans will be held for investment or held for sale. We may subsequently change our intent to hold loans for investment and reclassify them as held for sale. Loans held for sale are carried at the lower of aggregate cost or fair value. A valuation allowance is recorded when cost exceeds fair value based on reviews at the time of reclassification and periodically thereafter. Gains and losses are recorded in noninterest income based on the difference between sales proceeds and carrying value.
We evaluate loans throughout their lives for signs of credit deterioration, which may impact the loan’s status, and potentially impact our accounting for that loan. Loan status categories include past due as to contractual payments, nonaccrual, impaired, and restructured, including troubled debt restructurings (“TDRs”). Our accounting policies for these loan statuses and our estimation of the related allowance for loan and lease losses (“ALLL”) are discussed further in Note 6.
In the ordinary course of business, we transfer portions of loans under participation agreements to manage credit risk and our portfolio concentration. We evaluate the loan participations to determine if they meet the appropriate accounting guidance to qualify as sales. Certain purchased loans require separate accounting procedures that are also discussed in Note 6.
The allowance for credit losses (“ACL”) includes the ALLL and the reserve for unfunded lending commitments (“RULC”) and represents our estimate of losses inherent in the loan portfolio that may be recognized from loans and lending commitments that are not recoverable. Further discussion of our estimation process for the ACL is included in Note 6.
On January 1, 2020, we adopted ASU 2016-13, Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments, and its subsequent updates, often referred to as the Current Expected Credit Loss (“CECL”) model. CECL changes how the ACL is measured for loans and for additional financial assets, including HTM securities. Under CECL, the ACL will represent our estimate of current expected credit losses over the contractual term of the loan and lease portfolio and unfunded lending commitments as of the balance sheet date. The ACL for debt securities is estimated separately from loans.
Other Noninterest-Bearing Investments
These investments include investments in private equity funds– referred to in this document as private equity investments (“PEIs”) – venture capital securities, securities acquired for various debt and regulatory requirements, bank-owned life insurance ("BOLI"), and certain other noninterest-bearing investments. See further discussion in Note 3.
Certain PEIs and venture capital securities are accounted for under the equity method and reported at fair value. Changes in fair value and gains and losses from sales are recognized in noninterest income. The values assigned to the securities where no market quotations exist are based upon available information and may not necessarily represent amounts that will ultimately be realized. Such estimated amounts depend on future circumstances and will not be realized until the individual securities are liquidated.
BOLI is accounted for at fair value based on the cash surrender values (“CSVs”) of the general account insurance policies. A third-party service provides these values.
Other PEIs, and those acquired for various debt and regulatory requirements, are accounted for at cost less impairment (if any), plus or minus observable price changes from an identical or similar investment of the same issuer, with such changes recognized in income. Periodic reviews are conducted for impairment by comparing carrying values with estimates of fair value determined according to the previous discussion.
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Premises, Equipment and Software, Net
Premises, equipment and software are stated at cost, net of accumulated depreciation and amortization. Depreciation, computed primarily on the straight-line method, is charged to operations over the estimated useful lives of the properties, generally 25 to 40 years for buildings, 3 to 10 years for furniture and equipment, and 3 to 10 years for software, including capitalized costs related to the Bank’s technology initiatives. Leasehold improvements are amortized over the terms of the respective leases or the estimated useful lives of the improvements (including any extension options that are reasonably certain to be exercised), whichever is shorter. Premises, equipment and software are evaluated for impairment on a periodic basis.
Goodwill and Identifiable Intangible Assets
Goodwill and intangible assets deemed to have indefinite lives are not amortized. We subject these assets to annual specified impairment tests as of the beginning of the fourth quarter and more frequently if changing conditions warrant. Core deposit assets and other intangibles with finite useful lives are generally amortized on an accelerated basis using an estimated useful life of up to 12 years.
Business Combinations
Business combinations are accounted for under the acquisition method of accounting. Upon initially obtaining control, we recognize 100% of all acquired assets and all assumed liabilities regardless of the percentage owned. The assets and liabilities are recorded at their estimated fair values, with goodwill being recorded when such fair values are less than the cost of acquisition. Certain transaction and restructuring costs are expensed as incurred. Changes to estimated fair values from a business combination are recognized as an adjustment to goodwill over the measurement period, which cannot exceed one year from the acquisition date. Results of operations of the acquired business are included in our statement of income from the date of acquisition.
Other Real Estate Owned
Other real estate owned (“OREO”) consists principally of commercial and residential real estate obtained in partial or total satisfaction of loan obligations. Amounts are recorded initially at fair value (less any selling costs) based on property appraisals at the time of transfer and subsequently at the lower of cost or fair value (less any selling costs).
Derivative Instruments
We use derivative instruments, including interest rate swaps and purchased and sold options such as floors and basis swaps, as part of our overall interest rate risk management strategy. Derivatives are an important tool used in managing our overall asset and liability sensitivities to remain within management’s stated interest rate risk thresholds. Their use allows us to adjust and align our naturally occurring mix of fixed and floating-rate assets and liabilities to manage interest income volatility by synthetically converting variable-rate assets to fixed-rate, or synthetically converting fixed-rate funding instruments to floating rates.
We also execute both interest rate and short-term foreign currency derivative instruments with our commercial banking customers to facilitate their risk management strategies. These derivatives are immediately hedged by offsetting derivatives with third parties such that we minimize our net risk exposure as a result of such transactions. We record all derivatives at fair value in the balance sheet as either other assets or other liabilities. The accounting for the change in value of a derivative depends on whether or not the transaction has been designated and qualifies for hedge accounting. Derivatives that are not designated as hedges are reported and measured at fair value through earnings. See Note 7 for more information.
Derivatives in Designated Accounting Hedge
We apply hedge accounting to certain derivatives executed for risk management purposes, primarily interest rate risk. To qualify for hedge accounting, a derivative must be highly effective at reducing the risk associated with the exposure being hedged and the hedging relationship must be formally documented. We primarily use regression analysis to assess the effectiveness of each hedging relationship, unless the hedge qualifies for other methods of assessing effectiveness (e.g. shortcut or critical terms match), both at inception and on an ongoing basis. We designate derivatives as fair value and cash flow hedges for accounting purposes and these hedges can be a
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significant aspect of the Bank’s overall interest risk sensitivity management. The Bank may add additional hedging strategies and apply hedge accounting to the strategies as it deems necessary. See Note 7 for more information regarding the accounting for derivatives designated as hedging instruments.
Commitments and Letters of Credit
In the ordinary course of business, we enter into commitments to extend credit, commercial letters of credit, and standby letters of credit. Such financial instruments are recorded in the financial statements when they become payable. The credit risk associated with these commitments is evaluated in a manner similar to the ALLL. The RULC is presented separately in the balance sheet.
Revenue Recognition
Service charges and fees on deposit accounts are recognized in accordance with published deposit account agreements for customer accounts or contractual agreements for commercial accounts. Other service charges, commissions and fees include interchange fees, bank services and other fees, which are generally recognized at the time of transaction or as the services are performed.
Share-Based Compensation
Share-based compensation generally includes grants of stock options, restricted stock, restricted stock units (“RSUs”), and other awards to employees and nonemployee directors. We recognize compensation expense in the statement of income based on the grant-date value of the associated share-based awards. See further discussion in Note 19.
Income Taxes
Deferred tax assets (“DTAs”) and liabilities are determined based on temporary differences between financial statement asset and liability amounts and their respective tax basis and are measured using enacted tax laws and rates. The effect on DTAs and liabilities of a change in tax rates is recognized in income in the period that includes the enactment date. DTAs are recognized subject to management’s judgment that realization is more likely than not. Unrecognized tax benefits for uncertain tax positions relate primarily to tax credits on technology initiatives. See further discussion in Note 20.
Net Earnings Per Common Share
Net earnings per common share is based on net earnings applicable to common shareholders, which is net of preferred stock dividends. Basic net earnings per common share is based on the weighted average outstanding common shares during 2017. Unrealizedeach year. Unvested share-based awards with rights to receive nonforfeitable dividends are considered participating securities and included in the computation of basic earnings per share. Diluted net earnings per common share is based on the weighted average outstanding common shares during each year, including common stock equivalents. Stock options, restricted stock, RSUs, and stock warrants are converted to common stock equivalents using the more dilutive of the treasury stock method or the two-class method. Diluted net earnings per common share excludes common stock equivalents whose effect is antidilutive. See further discussion in Note 21.
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2. RECENT ACCOUNTING PRONOUNCEMENTS
Accounting Standard UpdatesDescriptionDate of adoptionEffect on the financial statements or other significant matters
Updates not yet adopted by the Bank during 2019
ASU 2016-13,
Credit Losses
(Topic 326):
Measurement of
Credit Losses on
Financial
Instruments and subsequent related ASUs

This ASU, and subsequent updates, significantly changes how entities will measure credit losses for virtually all financial assets and certain other instruments that are not measured at fair value through net income that have the contractual right to receive cash. The update replaces today’s “incurred loss” approach with a current expected credit loss (“CECL”) model for instruments such as loans and held-to-maturity (“HTM”) securities that are measured at amortized cost. The ASU requires credit losses relating to available-for sale (“AFS”) debt securities to be recorded through an allowance for credit loss (“ACL”) rather than a reduction of the carrying amount and replaces the historically required other-than-temporary impairment (“OTTI”) analysis. It also changes the accounting for purchased credit-impaired debt securities and loans.

The ASU retains many of the current disclosure requirements in U.S. GAAP and expands other disclosure requirements. The new guidance is effective for calendar year-end public companies beginning January 1, 2020.
January 1,
2020
During 2019, we ran several parallel runs of the CECL model. Additionally, we implemented a set of controls, including management review controls; implementation controls; and data, model and forecasting controls.

The ACL, as calculated under CECL, is influenced by the portfolio composition, credit quality, macroeconomic conditions, and forecasts at that time, as well as other management judgments.

We adopted ASU 2016-13 and its subsequent updates on January 1, 2020; the impact upon adoption was not significant.
ASU 2017-04,
Intangibles –
Goodwill and
Other (Topic 350):
Simplifying the
Test for Goodwill
Impairment

This ASU removes the requirements in step two of the current goodwill impairment model, eliminating the requirement to calculate and compare the implied fair value of the reporting entity with the carrying amount of that entity, including goodwill, to measure any impairment charge. Instead, entities will record an impairment charge based on the excess of a reporting unit’s carrying amount of goodwill over its implied fair value of goodwill (i.e., measure the charge based on step one of the current guidance).

The ASU also continues to allow entities to perform an optional qualitative goodwill impairment assessment before determining whether to proceed to the quantitative step one. The update is effective for the Bank as of January 1, 2020. Early adoption is allowed for any goodwill impairment test performed after January 1, 2017.
January 1,
2020
We adopted this guidance as of January 1, 2020, and there was no significant impact on the Bank's financial statements upon adoption.
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Accounting Standard UpdatesDescriptionDate of adoptionEffect on the financial statements or other significant matters
Updates adopted by the Bank during 2019
ASU 2016-02,
Leases (Topic 842)
and subsequent
related ASUs

Although lessor accounting was left materially unchanged by ASU 2016-02 (and all related ASUs which together have been codified in ASC 842), ASC 842 requires that all lessees recognize a right-of-use ("ROU") asset and an offsetting lease liability for all leases with a term greater than 12 months. As the lessee, we adopted an accounting policy election, by class of underlying asset, to not recognize lease assets or liabilities for leases with a term of 12 months or less.

The recognition, measurement, and presentation of expenses and cash flows arising from a lease will depend primarily on its classification as a finance or operating lease. ASC 842 requires additional disclosures to provide financial statement users a better understanding of the amount, timing, and uncertainty of cash flows arising from leases. These new quantitative and qualitative disclosure requirements are detailed further in Note 8.
January 1,
2019
The Bank adopted ASC 842 as of January 1, 2019 using the second of two permitted modified retrospective approaches for initial adoption. Under this method, the Bank recorded a right-of use asset of approximately $225 million and a lease liability of approximately $242 million. There was no impact to retained earnings upon adoption.

See Note 8 for additional details on the financial statement impact of completing the adoption of ASC 842.

ASU 2017-08,
Nonrefundable
Fees and Other
Costs (Subtopic
310-20). Premium
Amortization on
Purchased
Callable Debt
Securities
The amendments in this ASU shorten the amortization period for certain callable debt securities held at a premium. The ASU requires the premium of qualifying debt securities to be amortized to the earliest call date. The update does not change the accounting for callable debt securities held at a discount.January 1,
2019
We adopted this ASU as of January 1, 2019 using a modified retrospective transition approach. There was no significant impact on the Bank's financial statements upon adoption.
ASU 2018-13,
Fair Value
Measurement
(Topic 820):
Disclosure
Framework –
Changes to the
Disclosure
Requirements for
Fair Value
Measurement
The purpose of this ASU is to improve the effectiveness of disclosures in the notes to the financial statements. This update removes, modifies, and makes certain additions to the disclosure requirements for fair value measurement.
The mandatory adoption date of the guidance in this ASU is for the first fiscal period beginning after December 15, 2019, with early adoption permitted.
January 1,
2019
We early adopted this ASU as of January 1, 2019. This update
will be applied prospectively. The changes to the disclosure requirements for fair value
measurements are not significant to the financial statements and can be found in Note 3.
ASU 2018-15,
Intangibles –
Goodwill and
Other-Internal-
Use Software
(Topic 350-40):
Customer’s
Accounting for
Implementation
Cost Incurred in a
Cloud Computing
Arrangement That
Is a Service
Contract

This ASU aligns the requirements for capitalizing implementation costs associated with Cloud Computing Arrangements that meet the definition of a service contract with requirements already provided for costs associated with internal-use software. Additionally, it clarifies that:
-The amortization period for capitalized amounts will be the noncancelable hosting contract term plus any expected renewal periods;
-Entities in a hosting arrangement that is a service contract must provide certain qualitative and quantitative disclosures; and
-Transition for those not already following the provisions of this ASU can be applied either retrospectively or prospectively.
January 1,
2019
We early adopted this ASU as of January 1, 2019. The Bank has historically been applying the guidance as clarified in this ASU. Consequently, the adoption of the ASU did not have a significant impact on the Bank’s financial statements.

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3. FAIR VALUE
Fair Value Measurement
Fair value is defined as the exchange price that would be received for an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. To measure fair value, a hierarchy has been established that requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs. This hierarchy uses three levels of inputs to measure the fair value of assets and liabilities as follows:
Level 1 – Quoted prices in active markets for identical assets or liabilities in active markets that the Bank has the ability to access;
Level 2 – Observable inputs other than Level 1, including quoted prices for similar assets or liabilities in active markets, quoted prices for identical or similar assets or liabilities in less active markets, observable inputs other than quoted prices that are used in the valuation of an asset or liability, and inputs that are derived principally from or corroborated by observable market data by correlation or other means; and
Level 3 – Unobservable inputs supported by little or no market activity for financial instruments whose value is determined by pricing models, discounted cash flow methodologies or similar techniques, as well as instruments for which the determination of fair value requires significant management judgment or estimation.
The level in the fair value hierarchy within which the fair value measurement is classified is determined based on the lowest level input that is significant to the fair value measurement in its entirety. Market activity is presumed to be orderly in the absence of evidence of forced or disorderly sales, although such sales may still be indicative of fair value. Applicable accounting guidance precludes the use of blockage factors or liquidity adjustments due to the quantity of securities held by an entity.
We use fair value to measure certain assets and liabilities on a recurring basis when fair value is the primary measure for accounting. Fair value is used on a nonrecurring basis to measure certain assets when adjusting carrying values, such as the application of lower of cost or fair value accounting, including recognition of impairment on assets. Fair value is also used when providing required disclosures for certain financial instruments.
Fair Value Policies and Procedures
We have various policies, processes and controls in place to ensure that fair values are reasonably developed, reviewed and approved for use. These include a Securities Valuation Committee, comprised of executive management, that reviews and approves on a quarterly basis the key components of fair value estimation, including critical valuation assumptions for Level 3 modeling. A Model Risk Management Group conducts model validations, including internal models, and sets policies and procedures for revalidation, including the timing of revalidation.
Third-party Service Providers
We use a third party pricing service to measure fair value for approximately 94% of our AFS Level 2 securities. Fair value measurements for other AFS Level 2 securities generally use certain inputs corroborated by market data and include standard discounted cash flow analysis.
For Level 2 securities, the third party pricing service provides documentation on an ongoing basis that presents market corroborative data, including detailed pricing information and market reference data. The documentation includes benchmark yields, reported trades, broker-dealer quotes, issuer spreads, two-sided markets, benchmark securities, bids, offers, and reference data, including information from the vendor trading platform. We review, test and validate this information as appropriate. Absent observable trade data, we do not adjust prices from our third-party sources.
The following describes the hierarchy designations, valuation methodologies and key inputs to measure fair value on a recurring basis for designated financial instruments:
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Available-for-Sale
U.S. Treasury, Agencies and Corporations
U.S. Treasury securities are measured under Level 1 using quoted market prices when available. U.S. agencies and corporations are measured under Level 2 generally using the previously discussed third-party pricing service.
Municipal Securities
Municipal securities are measured under Level 2 using the third party pricing service.
Money Market Mutual Funds and Other
Money market mutual funds and other securities are measured under Level 1 or Level 2. For Level 1, quoted market prices are used which may include net asset values (“NAVs”) or their equivalents. Level 2 valuations generally use quoted prices for similar securities. With the adoption of ASU 2016-01, as of January 1, 2018 our money market mutual funds are no longer classified as AFS and are now recognized in trading.
Trading Account
Securities in the trading account are generally measured under Level 2 using third-party pricing service providers as described previously.
Held-to-Maturity
HTM securities are carried at amortized cost, but for disclosure purposes are measured at fair value using a third party pricing service or an internal model. The internal model utilizes observable market yields as inputs.
Bank-owned Life Insurance
BOLI is measured under Level 2 according to CSVs of the insurance policies that are provided by a third party service. Nearly all policies are general account policies with CSVs based on the Bank’s claims on the assets of the insurance companies. The insurance companies’ investments include predominantly fixed-income securities consisting of investment-grade corporate bonds and various types of mortgage instruments. Management regularly reviews its BOLI investment performance, including concentrations among insurance providers.
Private Equity Investments
PEIs are generally measured under Level 3. The majority of these PEIs are held in the Bank’s Small Business Investment Company (“SBIC”) and are early-stage venture investments. The fair value measurements of these investments are reviewed at least on a quarterly basis, including whenever a new round of financing occurs. Certain of these investments may be measured using multiples of operating performance. The fair value measurements of PEIs are reviewed on a quarterly basis by the Securities Valuation Committee. The Equity Investments Committee, consisting of executives familiar with the investments, reviews periodic financial information, including audited financial statements when available.
Certain valuation analytics may be employed that include current and projected financial performance, recent financing activities, economic and market conditions, market comparables, market liquidity, sales restrictions, and other factors. A significant change in the expected performance of the individual investment would result in a change in the fair value measurement of the investment. The amount of unfunded commitments to invest is disclosed in Note 16. Certain restrictions apply for the redemption of these investments and certain investments are prohibited by the Volcker Rule. See discussions in Notes 5 and 16.
Agriculture Loan Servicing
This asset results from our servicing of agriculture loans approved and funded by Federal Agricultural Mortgage Corporation (“FAMC”). We provide this servicing under an agreement with FAMC for loans they own. The asset’s fair value represents our projection of the present value of future cash flows measured under Level 3 using discounted cash flow methodologies.
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Interest-only Strips
Interest-only strips are created as a by-product of the securitization process. When the guaranteed portions of Small Business Administration (“SBA”) 7(a) loans are pooled, interest-only strips may be created in the pooling process. The asset’s fair value represents our projection of the present value of future cash flows measured under Level 3 using discounted cash flow methodologies.
Deferred Compensation Plan Assets and Obligations
Invested assets in the deferred compensation plan consist of shares of registered investment companies. These mutual funds are valued under Level 1 at quoted market prices, which represents the NAV of shares held by the plan at the end of the period.
Derivatives
Derivatives are measured according to their classification as either exchange-traded or over-the-counter. Exchange-traded derivatives consist of foreign currency exchange contracts measured under Level 1 because they are traded in active markets. Over-the-counter derivatives, including those for customers, consist of interest rate swaps and options. These derivatives are measured under Level 2 using third party services. Observable market inputs include yield curves –the London Interbank Offered Rate (“LIBOR”) swap curve and relevant overnight index swap curves– foreign exchange rates, commodity prices, option volatilities, counterparty credit risk, and other related data. Credit valuation adjustments are required to reflect nonperformance risk for both the Bank and the respective counterparty. These adjustments are determined generally by applying a credit spread to the total expected exposure of the derivative.
Securities Sold, Not Yet Purchased
Securities sold, not yet purchased, included in “Federal funds and other short-term borrowings” on the balance sheet, are measured under Level 1 using quoted market prices. If not available, quoted prices under Level 2 for similar securities are used.
Loans
Loans are generally carried at amortized cost, but for disclosure purposes are measured at fair value under Level 3 according to their status as nonimpaired or impaired. For nonimpaired loans, fair value is estimated by discounting future cash flows using the LIBOR yield curve adjusted by a factor which reflects the credit, interest rate risk and liquidity inherent in the loan. These future cash flows are then reduced by the estimated “life-of-the-loan” aggregate credit losses relatein the loan portfolio. These adjustments for lifetime future credit losses are derived from the methods used to estimate the ALLL for our loan portfolio and are adjusted quarterly as necessary to reflect the most recent loss experience. Impaired loans that are collateral-dependent are already considered to be held at fair value. Impaired loans that are not collateral-dependent have future cash flows reduced by the estimated “life-of-the-loan” credit loss derived from methods used to estimate the ALLL for these loans. See Impaired Loans in Note 6 for details on the impairment measurement method for impaired loans. Loans, other than those held for sale, are not normally purchased and sold by the Bank, and there are no active trading markets for most of this portfolio.
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Quantitative Disclosure by Fair Value Hierarchy
Assets and liabilities measured at fair value by class on a recurring basis are summarized as follows:
(In millions)December 31, 2019
Level 1Level 2Level 3Total
ASSETS
Investment securities:
Available-for-sale:
U.S. Treasury, agencies and corporations$25  $12,356  $—  $12,381  
Municipal securities1,319  1,319  
Other debt securities25  25  
Total Available-for-sale25  13,700  —  13,725  
Trading account65  117  182  
Other noninterest-bearing investments:
Bank-owned life insurance525  525  
Private equity investments1
 107  116  
Other assets:
Agriculture loan servicing and interest-only strips18  18  
Deferred compensation plan assets113  113  
Derivatives:
Derivatives not designated as hedges:
Customer-facing interest rate146  146  
Other interest rate  
Foreign exchange  
Total Assets$216  $14,491  $125  $14,832  
LIABILITIES
Securities sold, not yet purchased$66  $—  $—  $66  
Other liabilities:
Deferred compensation plan obligations113  113  
Derivatives:
Derivatives not designated as hedges:
Customer-facing interest rate14  14  
Other interest rate  
Foreign exchange  
Total Liabilities$183  $15  $—  $198  
1 The level 1 PEIs amount relates to the portion of our SBIC investments that are now publicly traded.
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(In millions)December 31, 2018
Level 1Level 2Level 3Total
ASSETS
Investment securities:
Available-for-sale:
U.S. Treasury, agencies and corporations$40  $13,385  $—  $13,425  
Municipal securities1,291  1,291  
Other debt securities21  21  
Total Available-for-sale40  14,697  —  14,737  
Trading account14  92  106  
Other noninterest-bearing investments:
Bank-owned life insurance516  516  
Private equity investments102  102  
Other assets:
Agriculture loan servicing and interest-only strips18  18  
Deferred compensation plan assets95  95  
Derivatives:
Derivatives not designated as hedges:
Customer-facing interest rate40  40  
Other interest rate  
Foreign exchange  
Total Assets$153  $15,346  $120  $15,619  
LIABILITIES
Securities sold, not yet purchased$85  $—  $—  $85  
Other liabilities:
Deferred compensation plan obligations95  95  
Derivatives:
Derivatives not designated as hedges:
Customer-facing interest rate36  36  
Other interest rate  
Foreign exchange  
Total Liabilities$182  $37  $—  $219  
Reconciliation of Level 3 Fair Value Measurements
The following reconciles the beginning and ending balances of assets and liabilities that are measured at fair value by class on a recurring basis using Level 3 inputs:
 Level 3 Instruments
December 31, 2019December 31, 2018
(In millions)Private
equity
investments
Ag loan svcg and int-only stripsPrivate
equity
investments
Ag loan svcg and int-only strips
Balance at beginning of year  $102  $18  $95  $18  
Securities gains, net —   —  
Other noninterest income—   —   
Purchases10  —  11  —  
Redemptions and paydowns—  (1) (6) (1) 
Transfers out1
(7) —  —  —  
Balance at end of year$107  $18  $102  $18  
1 This represents the value of a private equity investment at the beginning of the quarter during which it became publicly traded.
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During the third quarter of 2019 one of our PEIs became publicly traded and was transferred from Level 3 to Level 1. No transfers of assets or liabilities occurred among Levels 1, 2 or 3 for 2018.
The reconciliation of Level 3 instruments includes the following realized gains and losses in the statement of income:
(In millions)Year Ended
December 31,
2019  2018  
Securities gains (losses), net$(9) $(1) 
Nonrecurring Fair Value Measurements
Included in the balance sheet amounts are the following amounts of assets that had fair value changes measured on a nonrecurring basis:
(In millions)Fair value at December 31, 2019Gains (losses) from
fair value changes Year Ended December 31, 2019
Level 1Level 2Level 3Total
ASSETS
Private equity investments, carried at cost$—  $—  $ $ $(1) 
Impaired loans—  —  —  —  —  
Other real estate owned—  —  —  —  (1) 
Total$—  $—  $ $ $(2) 

(In millions)Fair value at December 31, 2018Gains (losses) from
fair value changes Year Ended December 31, 2018
Level 1Level 2Level 3Total
ASSETS
Private equity investments, carried at cost$—  $—  $ $ $—  
Impaired loans—  32  —  32  (13) 
Other real estate owned—  —  —  —  (1) 
Total$—  $32  $ $33  $(14) 
The previous fair values may not be current as of the dates indicated, but rather as of the date the fair value change occurred, such as a charge for impairment. Accordingly, carrying values may not equal the current fair value.
We recognized net gains of $3 million in 2019 and $1 million in 2018 from the sale of OREO properties that had a carrying value at the time of sale of approximately $5 million in 2019 and $4 million in 2018. Previous to their sale in these years, we recognized an insignificant amount of impairment on these properties in 2019 and 2018.
PEIs carried at cost were measured at fair value for impairment purposes according to the methodology previously discussed for these investments. Amounts of PEIs carried at cost were $8 million at December 31, 2019 and $10 million at December 31, 2018. Amounts of other noninterest-bearing investments carried at cost were $157 million and $329 million at December 31, 2019 and 2018, respectively, which were comprised of Federal Reserve and Federal Home Loan Bank (“FHLB”) stock. PEIs accounted for using the equity method were $45 million and $35 million at December 31, 2019 and 2018, respectively.
Impaired (or nonperforming) loans that are collateral-dependent were measured at fair value based on the fair value of the collateral. OREO was measured initially at fair value based on collateral appraisals at the time of transfer and subsequently at the lower of cost or fair value.
Measurement of fair value for collateral-dependent loans and OREO was based on third party appraisals that utilize one or more valuation techniques (income, market and/or cost approaches). Any adjustments to calculated fair value were made based on recently completed and validated third-party appraisals, third party appraisal services,
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automated valuation services, or our informed judgment. Evaluations were made to determine that the appraisal process met the relevant concepts and requirements of applicable accounting guidance.
Automated valuation services may be used primarily for residential properties when values from any of the previous methods were not available within 90 days of the balance sheet date. These services use models based on market, economic, and demographic values. The use of these models has only occurred in very few instances and the related property valuations have not been sufficiently significant to consider disclosure under Level 3 rather than Level 2.
Impaired loans that are not collateral-dependent were measured based on the present value of future cash flows discounted at the expected coupon rates over the lives of the loans. Because the loans were not discounted at market interest rates, the valuations do not represent fair value and have been excluded from the nonrecurring fair value balance in the preceding schedules.
Fair Value of Certain Financial Instruments
Following is a summary of the carrying values and estimated fair values of certain financial instruments:
 December 31, 2019December 31, 2018
(In millions)Carrying
value
Estimated
fair value
LevelCarrying
value
Estimated
fair value
Level
Financial assets:
Held-to-maturity investment securities$592  $597  2$774  $767   
Loans and leases (including loans held for sale), net of allowance48,343  47,958  346,312  45,251   
Financial liabilities:
Time deposits4,719  4,725  24,336  4,319   
Long-term debt1,723  1,751  2724  727   
This summary excludes financial assets and liabilities for which carrying value approximates fair value and financial instruments that are recorded at fair value on a recurring basis. Financial instruments for which carrying values approximate fair value include cash and due from banks, money market investments, demand, savings and money market deposits, federal funds purchased and other short-term borrowings, and security repurchase agreements. The estimated fair value of demand, savings and money market deposits is the amount payable on demand at the reporting date. Carrying value is used because the accounts have no stated maturity and the customer has the ability to withdraw funds immediately. Time and foreign deposits, and any other short-term borrowings, are measured at fair value by discounting future cash flows using the LIBOR yield curve to the given maturity dates. Long-term debt is measured at fair value based on actual market trades (i.e., an asset value) when available, or discounting cash flows to maturity using the LIBOR yield curve adjusted for credit spreads. The methods used to measure fair value for HTM securities and loans were previously described in this footnote.
These fair value disclosures represent our best estimates based on relevant market information and information about the financial instruments. Fair value estimates are based on judgments regarding current economic conditions, future expected loss experience, risk characteristics of the various instruments, and other factors. These estimates are subjective in nature, involve uncertainties and matters of significant judgment, and cannot be determined with precision. Changes in these methodologies and assumptions could significantly affect the estimates.
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4. OFFSETTING ASSETS AND LIABILITIES
Gross and net information for selected financial instruments in the balance sheet is as follows:
December 31, 2019
(In millions)Gross amounts not offset in the balance sheet
DescriptionGross amounts recognizedGross amounts offset in the balance sheetNet amounts presented in the balance sheetFinancial instrumentsCash collateral received/pledgedNet amount
Assets:
Federal funds sold and security resell agreements$694  $(210) $484  $—  $—  $484  
Derivatives (included in other assets)153  —  153  (6) —  147  
Total assets$847  $(210) $637  $(6) $—  $631  
Liabilities:
Federal funds and other short-term borrowings$2,263  $(210) $2,053  $—  $—  $2,053  
Derivatives (included in other liabilities)19  —  19  (6) (10)  
Total liabilities$2,282  $(210) $2,072  $(6) $(10) $2,056  
December 31, 2018
(In millions)Gross amounts not offset in the balance sheet
DescriptionGross amounts recognizedGross amounts offset in the balance sheetNet amounts presented in the balance sheetFinancial instrumentsCash collateral received/pledgedNet amount
Assets:
Federal funds sold and security resell agreements$1,461  $—  $1,461  $—  $—  $1,461  
Derivatives (included in other assets)45  —  45  (35) (3)  
Total assets$1,506  $—  $1,506  $(35) $(3) $1,468  
Liabilities:
Federal funds and other short-term borrowings$5,653  $—  $5,653  $—  $—  $5,653  
Derivatives (included in other liabilities)39  —  39  (35) (1)  
Total liabilities$5,692  $—  $5,692  $(35) $(1) $5,656  
Security repurchase and reverse repurchase (“resell”) agreements are offset, when applicable, in the balance sheet according to master netting agreements. Security repurchase agreements are included with “Federal funds and other short-term borrowings.” Derivative instruments may be offset under their master netting agreements; however, for accounting purposes, we present these items on a gross basis in the Bank’s balance sheet. See Note 7 for further information regarding derivative instruments.
5. INVESTMENTS
Investment Securities
Securities are classified as HTM, AFS or trading. HTM securities, which management has the intent and ability to hold until maturity, are carried at amortized cost. AFS securities are carried at fair value and unrealized gains and losses are reported as net increases or decreases to accumulated other comprehensive income (“AOCI”). Trading securities are carried at fair value with gains and losses recognized in current period earnings. The purchase premiums for callable debt securities classified as HTM or AFS are amortized at a constant effective yield to the
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earliest call date. The purchase premiums and discounts for all other HTM and AFS securities are amortized and accreted at a constant effective yield to the contractual maturity date and no assumption is made concerning prepayments. As principal prepayments occur, the portion of the unamortized premium or discount associated with the principal reduction is recognized in interest rates subsequentincome in the period the principal is reduced. Note 3 discusses the process to purchaseestimate fair value for investment securities.
December 31, 2019
(In millions)Amortized
cost
Gross
unrealized
gains
Gross
unrealized
losses
Estimated
fair value
Held-to-maturity
Municipal securities$592  $ $—  $597  
Available-for-sale
U.S. Treasury securities25  —  —  25  
U.S. Government agencies and corporations:
Agency securities1,301    1,302  
Agency guaranteed mortgage-backed securities9,518  83  42  9,559  
Small Business Administration loan-backed securities1,535   41  1,495  
Municipal securities1,282  37  —  1,319  
Other debt securities25  —  —  25  
Total available-for-sale13,686  126  87  13,725  
Total investment securities$14,278  $131  $87  $14,322  

December 31, 2018
(In millions)Amortized
cost
Gross
unrealized
gains
Gross
unrealized
losses
Estimated
fair value
Held-to-maturity
Municipal securities$774  $ $11  $767  
Available-for-sale
U.S. Treasury securities40  —  —  40  
U.S. Government agencies and corporations:
Agency securities1,394  —  19  1,375  
Agency guaranteed mortgage-backed securities10,236  18  240  10,014  
Small Business Administration loan-backed securities2,042   47  1,996  
Municipal securities1,303   16  1,291  
Other debt securities25  —   21  
Total available-for-sale15,040  23  326  14,737  
Total investment securities$15,814  $27  $337  $15,504  
Maturities
The amortized cost and estimated fair value of investment debt securities are not attributableshown subsequently as of December 31, 2019 by contractual maturity of principal payments. Actual principal payments may differ from contractual or expected principal payments because borrowers may have the right to credit. call or prepay obligations with or without call or prepayment penalties.
Held-to-maturityAvailable-for-sale
(In millions)Amortized
cost
Estimated
fair value
Amortized
cost
Estimated
fair value
Due in one year or less$101  $102  $122  $122  
Due after one year through five years215  216  718  726  
Due after five years through ten years156  159  2,434  2,450  
Due after ten years120  120  10,412  10,427  
Total$592  $597  $13,686  $13,725  
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The following is a summary of the amount of gross unrealized losses for debt securities and the estimated fair value by length of time the securities have been in an unrealized loss position:
December 31, 2019
Less than 12 months12 months or moreTotal
(In millions)Gross
unrealized
losses
Estimated
fair value
Gross
unrealized
losses
Estimated
fair value
Gross
unrealized
losses
Estimated
fair value
Held-to-maturity
Municipal securities$—  $73  $—  $45  $—  $118  
Available-for-sale
U.S. Government agencies and corporations:
Agency securities 222   359   581  
Agency guaranteed mortgage-backed securities 1,173  38  3,215  42  4,388  
Small Business Administration loan-backed securities 172  40  1,215  41  1,387  
Municipal securities—  50  —   —  55  
Other—  —  —  —  —  —  
Total available-for-sale 1,617  80  4,794  87  6,411  
Total$ $1,690  $80  $4,839  $87  $6,529  

December 31, 2018
Less than 12 months12 months or moreTotal
(In millions)Gross
unrealized
losses
Estimated
fair
value
Gross
unrealized
losses
Estimated
fair
value
Gross
unrealized
losses
Estimated
fair
value
Held-to-maturity
Municipal securities$ $86  $10  $438  $11  $524  
Available-for-sale
U.S. Government agencies and corporations:
Agency securities 245  17  913  19  1,158  
Agency guaranteed mortgage-backed securities16  1,081  224  6,661  240  7,742  
Small Business Administration loan-backed securities19  1,180  28  711  47  1,891  
Municipal securities 266  14  641  16  907  
Other—  —   11   11  
Total available-for-sale39  2,772  287  8,937  326  11,709  
Total$40  $2,858  $297  $9,375  $337  $12,233  
At December 31, 2017,2019 and 2018, respectively, 146 and 606 HTM and 849 and 2,588 AFS investment securities were in an unrealized loss position.
Other-Than-Temporary Impairment
Ongoing Policy
We review investment securities on a quarterly basis for the presence of OTTI. We assess whether OTTI is present when the fair value of a debt security is less than its amortized cost basis at the balance sheet date. When we diddo not expect to recover the entire amortized cost basis of a security then the decline in fair value is considered to be other-than-temporary. OTTI is considered to have anoccurred for debt securities in unrealized loss positions if we have formed a documented intent to sell identified securities with unrealized losses or initiateinitiated such sales and we believeor it is not“more likely than not” we will be required to sell the security before recovery of its amortized cost basis. In these scenarios the impairment loss is equal to the full difference between the amortized cost basis and the fair value of the securities. For debt securities in an unrealized loss position that we have the intent and ability to hold, the expected cash flows to be received from the securities are evaluated to determine if a credit loss exists. In the event of a credit loss, only the amount of the impairment associated with the credit loss is recognized in income. Unrealized losses relating to factors other than credit losses are recorded in OCI.
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Our OTTI evaluation process takes into consideration current market conditions; fair value in relationship to cost; extent and nature of change in fair value; severity and duration of the impairment; recent events specific to the issuer or industry; our assessment of the creditworthiness of the issuer, including external credit ratings, changes, recent downgrades, and trends; the cash flow priority position of the instrument that we hold in the case of structured securities; volatility of earnings and trends; current analysts’ evaluations; all available information relevant to the collectability of debt securities; and other key measures. In addition, for AFS securities with fair values below amortized cost, we must determine if we intend to sell the securities or if it is more likely than not that we wouldwill be required to sell suchthe securities before recovery of their amortized cost basis.
To For HTM securities, we must determine we have the credit component of OTTIability to hold the securities to maturity. We consider any other relevant factors before concluding our evaluation for all security types, we utilize projected cash flows. These cash flows are credit adjusted using, among other things, assumptions for default probability and loss severity. Certain other unobservable inputs such as prepayment rate assumptions are also utilized. In addition, certain internal models may be utilized. See Note 3 for further discussion. To determine the credit-related portionexistence of OTTI in accordance with applicable accounting guidance, we use the security specific effective interest rate when estimating the present value of cash flows.
The following summarizes gains and losses, including OTTI, that were recognized in the statement of income:
 2017 2016 2015
(In millions)
Gross
gains
 
Gross
losses
 
Gross
gains
 
Gross
losses
 
Gross
gains
 
Gross
losses
Investment securities:           
Available-for-sale$
 $
 $
 $
 $9
 $148
Other noninterest-bearing investments22
 8
 21
 14
 25
 13
Total investments22
 8
 21
 14
 34
 161
Net gains (losses)  $14
   $7
   $(127)
Statement of income information:           
Equity securities gains, net  $14



$7
   $12
Fixed income securities gains (losses), net  




   (139)
Net gains (losses)  $14
   $7
   $(127)

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Interest income by security type is as follows:
(In millions)2017 2016 2015
Taxable Nontaxable Total Taxable Nontaxable Total Taxable Nontaxable Total
Investment securities:                
Held-to-maturity$10
 $13
 $23
 $10
 $13
 $23
 $13
 $11
 $24
Available-for-sale277
 24
 301
 166
 12
 178
 95
 3
 98
Trading2
 
 2
 3
 
 3
 2
 
 2
Total$289
 $37
 $326
 $179
 $25
 $204
 $110
 $14
 $124
Investmentour securities with a carrying value of approximately $2.1 billion and $1.4 billion at December 31, 2017 and 2016, respectively, were pledged to secure public and trust deposits, advances, and for other purposes as required by law. Securities are also pledged as collateral for security repurchase agreements.portfolio.
Private Equity Investments
Effect of Volcker Rule
The Company’s PEIs are subject to the provisions of the Dodd-Frank Act. The Volcker Rule of the Dodd-Frank Act prohibits banks and bank holding companies from holding PEIs, except for SBIC funds and certain other permitted exclusions, beyond a required deadline. The Federal Reserve Board announced in December 2016 that it would allow banks to apply for an additional five-year extension beyond the July 21, 2017 deadline to comply with the Dodd-Frank Act requirement for these investments. The Company applied for and was granted an extension for its eligible PEIs. All positions in the remaining portfolio of PEIs are subject to the extended deadline or other applicable exclusions.
Of the recorded PEIs of $141 million at December 31, 2017, approximately $3 million remain prohibited by the Volcker Rule. At December 31, 2017, we have $31 million of unfunded commitments for PEIs, of which approximately $4 million relate to prohibited PEIs. We currently do not believe that this divestiture requirement will ultimately have a material impact on our financial statements. See other discussions related to PEI in Note 3.

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6.LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans and Loans Held for Sale
Loans are summarized as follows according to major portfolio segment and specific loan class:
 December 31,
(In millions)2017 2016
    
Loans held for sale$44
 $172
Commercial:   
Commercial and industrial$14,003
 $13,452
Leasing364
 423
Owner-occupied7,288
 6,962
Municipal1,271
 778
Total commercial22,926
 21,615
Commercial real estate:   
Construction and land development2,021
 2,019
Term9,103
 9,322
Total commercial real estate11,124
 11,341
Consumer:   
Home equity credit line2,777
 2,645
1-4 family residential6,662
 5,891
Construction and other consumer real estate597
 486
Bankcard and other revolving plans509
 481
Other185
 190
Total consumer10,730
 9,693
Total loans$44,780
 $42,649
Loan balances are presented net of unearned income and fees, which amounted to $65 million at December 31, 2017 and $77 million at December 31, 2016.
Owner-occupied and commercial real estate loans include unamortized premiums of approximately $16 million at December 31, 2017 and $20 million at December 31, 2016.
Municipal loans generally include loans to municipalities with the debt service being repaid from general funds or pledged revenues of the municipal entity, or to private commercial entities or 501(c)(3) not-for-profit entities utilizing a pass-through municipal entity to achieve favorable tax treatment.
Land development loans included in the construction and land development loan class were $220 million at December 31, 2017, and $290 million at December 31, 2016.
Loans with a carrying value of approximately $25.6 billion at December 31, 2017 and $24.0 billion at December 31, 2016 have been pledged at the Federal Reserve and the FHLB of Des Moines as collateral for current and potential borrowings.
We sold loans totaling $0.9 billion in 2017, $1.4 billion in 2016, and $1.4 billion in 2015, that were classified as loans held for sale. The sold loans were derecognized from the balance sheet. Loans classified as loans held for sale primarily consist of conforming residential mortgages and the guaranteed portion of SBA loans. The loans are mainly sold to U.S. government agencies or participated to third parties. At times, we have continuing involvement in the transferred loans in the form of servicing rights or a guarantee from the respective issuer. Amounts added to loans held for sale during these same periods were $0.8 billion, $1.4 billion, and $1.4 billion, respectively.

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The principal balance of sold loans for which we retain servicing was approximately $2.2 billion at December 31, 2017, and $2.0 billion at December 31, 2016, and $2.0 billion at December 31, 2015. Income from loans sold, excluding servicing, was $13 million in 2017, $18 million in 2016, and $18 million in 2015.
Allowance for Credit Losses
The ACL includes the ALLL and the RULC. The ALLL represents management’s estimate of probable losses believed to be inherent in the loan portfolio. The determination of the appropriate level of the allowance is based on periodic evaluations of the portfolios. This process includes both quantitative and qualitative analyses, as well as a qualitative review of the results. The qualitative review requires a significant amount of judgment, and is described in more detail in Note 6 of the Notes to Consolidated Financial Statements.
The RULC provides for potential losses associated with off-balance sheet lending commitments and standby letters of credit. The reserve is estimated using the same procedures and methodologies as for the ALLL, plus assumptions regarding the probability and amount of unfunded commitments being drawn.
Although we believe that our processes for determining an appropriate level for the allowance adequately address the various components that could potentially result in credit losses, the processes and their elements include features that may be susceptible to significant change. Any unfavorable differences between the actual outcome of credit-related events and our estimates could require an additional provision for credit losses.As an example, if the probability of default risk grade for all pass-graded loans was immediately downgraded one grade on our internal risk-grading scale, the quantitatively determined amount of the ALLL at December 31, 2019 would increase by approximately $90 million. This sensitivity analysis is hypothetical and has been provided only to indicate the potential impact that changes in risk grades may have on the allowance estimate.
Although the qualitative process is subjective, it represents the Bank’s best estimate of qualitative factors impacting the determination of the ACL. We believe that given the procedures we follow in determining the ACL, the various components used in the current estimation processes are appropriate. Note 6 of the Notes to Consolidated Financial Statements and “Credit Risk Management” on page 54contains further information and more specific descriptions of the processes and methodologies used to estimate the ACL.
On January 1, 2020, we adopted CECL and recorded an ACL for loans and leases of $526 million, resulting in an after-tax increase to retained earnings of $20 million. The impact of the adoption of CECL for our securities portfolio was less than $1 million. The ACL, as calculated under CECL, is influenced by the portfolio composition, credit quality, macroeconomic conditions, and forecasts at that time, as well as other management judgments. See Note 2 of the Notes to Consolidated Financial Statements on page 93 for more information on this guidance and its impact on the Bank.
Accounting for Goodwill
Goodwill is initially recorded at fair value in the financial statements of a reporting unit at the time of its acquisition and is subsequently evaluated at least annually for impairment in accordance with current accounting guidance. We perform this test at the beginning of the fourth quarter annually, or more often if events or circumstances indicate that the carrying value of any of our reporting units, inclusive of goodwill, is less than fair value. The goodwill impairment test for a given reporting unit compares its fair value with its carrying value. If the carrying amount, inclusive of goodwill, is more likely than not to exceed its fair value, additional quantitative analysis must be performed to determine the amount, if any, of goodwill impairment. Our reporting units with goodwill are Amegy, CB&T, and Zions Bank.
To determine the fair value of a reporting unit, we historically have used a combination of up to three separate quantitative methods: comparable publicly-traded commercial banks in the Western and Southwestern states
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(“Market Value”); where applicable, comparable acquisitions of commercial banks in the Western and Southwestern states (“Transaction Value”); and the discounted present value of management’s estimates of future cash flows. Critical assumptions that are used as part of these calculations include:
Selection of comparable publicly-traded companies based on location, size, and business focus and composition;
Selection of market comparable acquisition transactions based on location, size, business focus and composition, and date of the transaction;
The discount rate, which is based on the Bank’s estimate of its cost of equity capital;
The projections of future earnings and cash flows of the reporting unit;
The relative weight given to the valuations derived by the three methods described; and
The control premium associated with reporting units.
We apply a control premium in the Market Value approach to determine the reporting units’ equity values. Control premiums represent the ability of a controlling shareholder to change how the Bank is managed and can cause the fair value of a reporting unit as a whole to exceed its market capitalization. Based on a review of historical bank acquisition transactions within the Bank’s geographic footprint, and a comparison of the target banks’ market values 30 days prior to the announced transaction to the deal value, we have determined that a control premium ranging from 0% to 15% for the reporting units was appropriate.
Since estimates are an integral part of the impairment computations, changes in these estimates could have a significant impact on any calculated impairment amount. Estimates include economic conditions, which impact the assumptions related to interest and growth rates, loss rates, and imputed cost of equity capital. The fair value estimates for each reporting unit incorporate current economic and market conditions, including Federal Reserve monetary policy expectations and the impact of legislative and regulatory changes. Additional factors that may significantly affect the estimates include, among others, competitive forces, customer behaviors and attrition, loan losses, changes in growth trends, cost structures and technology, changes in equity market values and merger and acquisition valuations, and changes in industry conditions.
Weakening in the economic environment, a decline in the performance of the reporting units, or other factors could cause the fair value of one or more of the reporting units to fall below carrying value, resulting in a goodwill impairment charge. Additionally, new legislative or regulatory changes not anticipated in management’s expectations may cause the fair value of one or more of the reporting units to fall below the carrying value, resulting in a goodwill impairment charge. Any impairment charge would not affect the Banks regulatory capital ratios, tangible common equity ratio, or liquidity position.
During the fourth quarter of 2017, we performed a full quantitative analysis of the reporting units’ fair value as described above. Our evaluation process determined that the fair values of Amegy, CB&T, and Zions Bank exceeded their carrying values by 35%, 54%, and 78%, respectively. Additionally, we performed a hypothetical sensitivity analysis on the discount rate assumption to evaluate the impact of an adverse change to this assumption. If the discount rate applied to future earnings was increased by 100 bps, the fair values of Amegy, CB&T, and Zions Bank would exceed their carrying values by 33%, 52%, and 72%, respectively.
During the fourth quarter of 2019, we performed our annual goodwill impairment evaluation, effective October 1, 2019. The Bank elected to perform a qualitative analysis to determine if the quantitative analysis performed in prior years as described above was required. The Bank’s qualitative analysis assessed factors related to each reporting unit to determine if it was more likely than not that the carrying value of any reporting unit was greater than the unit’s fair value. The qualitative factors considered in our assessment for each reporting unit included (1) economic, industry and market conditions, (2) regulatory or political developments that could negatively impact operating costs and overall financial performance of any of our specific reporting units, and (3) any changes in management, key personnel, strategy, customers, and any new or evolving litigation.
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None of the factors considered in our qualitative assessment gave any indication that the reporting units’ fair values decreased during the 2019 fiscal year. Additionally, as evidenced in the Business Segment Analysis section of the MD&A, each reporting unit’s key performance metrics remained materially unchanged or improved in 2019, compared with 2017. Considering the improved performance of each reporting unit and the lack of any significant concerns being identified in our qualitative assessment, we concluded that it is more likely than not that the fair value of each reporting unit continues to be greater than its carry amount making further quantitative impairment testing unnecessary. As a result, none of our reporting units were subject to goodwill impairment during 2019 or were determined to be at risk for a potential goodwill impairment in the near future based on information known at this time.
RECENT ACCOUNTING PRONOUNCEMENTS AND DEVELOPMENTS
Note 2 of the Notes to Consolidated Financial Statements discusses recently issued accounting pronouncements that we will be required to adopt. Also discussed is our expectation of the impact these new accounting pronouncements will have, to the extent they are material, on our financial condition, results of operations, or liquidity.
ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK
Information required by this Item is included in “Interest Rate and Market Risk Management” in MD&A beginning on page 64 and is hereby incorporated by reference.
ITEM 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA
REPORT ON MANAGEMENT’S ASSESSMENT OF INTERNAL CONTROL OVER FINANCIAL REPORTING
The management of Zions Bancorporation, National Association and subsidiaries (“the Bank”) is responsible for establishing and maintaining adequate internal control over financial reporting for the Bank as defined by Exchange Act Rules 13a-15 and 15d-15.
Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate. Although any system of internal control can be compromised by human error or intentional circumvention of required procedures, we believe our system provides reasonable assurance that financial transactions are recorded and reported properly, providing an adequate basis for reliable financial statements.
The Bank’s management has used the criteria established in Internal Control – Integrated Framework (2013 framework) issued by the COSO to evaluate the effectiveness of the Bank’s internal control over financial reporting.
The Bank’s management has assessed the effectiveness of the Bank’s internal control over financial reporting as of December 31, 2019 and has concluded that such internal control over financial reporting is effective. There are no material weaknesses in the Bank’s internal control over financial reporting that have been identified by the Bank’s management.
Ernst & Young LLP, an independent registered public accounting firm, has audited the consolidated financial statements of the Bank for the year ended December 31, 2019 and has also issued an attestation report, which is included herein, on internal control over financial reporting in accordance with the standards of the Public Company Accounting Oversight Board (“PCAOB”).
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REPORTS OF ERNST & YOUNG LLP, INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
REPORT ON INTERNAL CONTROL OVER FINANCIAL REPORTING
To the Shareholders and the Board of Directors of Zions Bancorporation, National Association and Subsidiaries
Opinion on Internal Control Over Financial Reporting
We have audited Zions Bancorporation, National Association and subsidiaries’ internal control over financial reporting as of December 31, 2019, based on criteria established in Internal Control - Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (2013 framework) (the COSO criteria). In our opinion, Zions Bancorporation, National Association and subsidiaries' (the Bank) maintained, in all material respects, effective internal control over financial reporting as of December 31, 2019, based on the COSO criteria.
We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the 2019 consolidated financial statements of the Bank and our report dated February 25, 2020 expressed an unqualified opinion thereon.
Basis for Opinion
The Bank’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 Report on Management’s Assessment of Internal Control over Financial Reporting. Our responsibility is to express an opinion on the Bank’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 Bank 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 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 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 its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.
/s/ Ernst & Young LLP
Salt Lake City, Utah
February 25, 2020
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REPORT ON CONSOLIDATED FINANCIAL STATEMENTS
To the Shareholders and the Board of Directors of Zions Bancorporation, National Association and Subsidiaries
Opinion on the Financial Statements
We have audited the accompanying consolidated balance sheets of Zions Bancorporation, National Association and subsidiaries (“the Bank”) as of December 31, 2019 and 2018, the related consolidated statements of income, comprehensive income, changes in shareholders' equity, and cash flows for each of the three years in the period ended December 31, 2019, and the related notes (collectively referred to as the “consolidated financial statements”). In our opinion, the consolidated financial statements present fairly, in all material respects, the financial position of the Bank at December 31, 2019 and 2018, and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2019, in conformity with U.S. generally accepted accounting principles.
We have also audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the Bank’s internal control over financial reporting as of December 31, 2019, based on criteria established in Internal Control–Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (2013 framework), and our report dated February 25, 2020 expressed an unqualified opinion thereon.
Basis for Opinion
These financial statements are the responsibility of the Bank’s management. Our responsibility is to express an opinion on the Bank’s financial statements based on our audits. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Bank 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 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, 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 regarding the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audits provide a reasonable basis for our opinion.
Critical Audit Matter
The critical audit matter communicated below is a matter arising from the current period audit of the financial statements that was communicated or required to be communicated to the audit committee and that: (1) relates to accounts or disclosures that are material to the financial statements and (2) involved our especially challenging, subjective or complex judgements. The communication of the critical audit matter does not alter in any way our opinion on the consolidated financial statements, taken as a whole, and we are not, by communicating the critical audit matter below, providing a separate opinion on the critical matter or on the account and the disclosures to which it relates.
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Allowance for loan losses
Description of the MatterAs of December 31, 2019, the Bank's commercial and commercial real estate (CRE) loan portfolio totaled $36.9 billion and represented 76% of the total loan portfolio, and the associated allowance for loan and lease losses (ALLL) was $450 million and represented 91% of the total ALLL. As more fully described in Note 6 to the Consolidated financial statements, the ALLL represented the Bank's estimate of probable and estimable losses inherent in the loan portfolio as of the balance sheet date. Management's commercial and CRE allowance model includes quantitative calculations supplemented with qualitative and environmental factors ("qualitative factor adjustments") that the models quantitative calculations may not incorporate. There is significant amount of judgement required by management when reviewing the qualitative factor adjustments and the resulting qualitative estimate for the commercial and CRE loan portfolios.
Auditing management's estimate of the ALLL is complex due to the judgmental nature of the commercial and CRE qualitative factor adjustments used in the ALLL calculation. Management's identification and measurement of the qualitative estimate is highly judgmental and could have a significant effect on the ALL.
How We Addressed the Matter in Our AuditWe obtained an understanding, evaluated the design and tested the operating effectiveness of controls that address the risk of material misstatement of the qualitative estimate. We tested controls over the Bank's allowance governance process, the data utilized in the qualitative factor adjustments, and management's identification of and review of the qualitative estimate which included observing key management meetings where the estimate is reviewed and approved.
To test the reasonableness of the Bank's qualitative factor adjustments, our procedures, included, among others, evaluating management's ALLL estimate by obtaining an understanding of any changes in underlying qualitative factor adjustments and evaluating the methodology. We assessed the qualitative factor adjustments considered by management related to changes in lending policies and procedures; national, regional and local economic and business conditions; nature and volume of the portfolio: lending staff experience; asset quality trends; internal loan review risk identification; collateral values; the existence and effects of concentrations; the effect of other external factors and we assessed the basis for concluding whether qualitative factor adjustments were warranted. We evaluated the accuracy of management's inputs into the qualitative factor adjustments by comparing the inputs to the Bank's historical loan performance data, third-party macroeconomic data and peer bank data.
Further, we assessed whether the total amount of the qualitative estimate was consistent with the Bank's historical loss information, credit quality statistics, and publicly observable indicators of macoreconomic financial conditions and whether the total ALLL amount was reflective of losses incurred in the loan portfolio as of the consolidated balance sheet date.

/s/ Ernst & Young LLP
We have served as the Bank’s auditor since 2000.
Salt Lake City, Utah
February 25, 2020
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CONSOLIDATED BALANCE SHEETS
(In millions, shares in thousands)December 31,
20192018
ASSETS
Cash and due from banks$705  $614  
Money market investments:
Interest-bearing deposits743  619  
Federal funds sold and security resell agreements484  1,461  
Investment securities:
Held-to-maturity, at amortized cost (approximate fair value $597 and $767)592  774  
Available-for-sale, at fair value13,725  14,737  
Trading account, at fair value182  106  
Total investment securities14,499  15,617  
Loans held for sale129  93  
Loans and leases, net of unearned income and fees48,709  46,714  
Less allowance for loan losses495  495  
Loans, net of allowance48,214  46,219  
Other noninterest-bearing investments898  1,046  
Premises, equipment and software, net1,142  1,124  
Goodwill and intangibles1,014  1,015  
Other real estate owned  
Other assets1,336  934  
Total assets$69,172  $68,746  
LIABILITIES AND SHAREHOLDERS’ EQUITY
Deposits:
Noninterest-bearing demand$23,576  $23,645  
Interest-bearing:
Savings and money market28,790  26,120  
Time4,719  4,336  
Total deposits57,085  54,101  
Federal funds and other short-term borrowings2,053  5,653  
Long-term debt1,723  724  
Reserve for unfunded lending commitments59  57  
Other liabilities899  633  
Total liabilities61,819  61,168  
Shareholders’ equity:
Preferred stock, without par value; authorized 4,400 shares566  566  
Common stock ($0.001 par value; authorized 350,000 shares; issued and outstanding 165,057 and 187,554 shares and additional paid-in capital2,735  3,806  
Retained earnings4,009  3,456  
Accumulated other comprehensive income (loss)43  (250) 
Total shareholders’ equity7,353  7,578  
Total liabilities and shareholders’ equity$69,172  $68,746  
See accompanying notes to consolidated financial statements.
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CONSOLIDATED STATEMENTS OF INCOME
(In millions, except shares and per share amounts)Year Ended December 31,
201920182017
Interest income:
Interest and fees on loans$2,289  $2,102  $1,847  
Interest on money market investments32  29  19  
Interest on securities362  350  326  
Total interest income2,683  2,481  2,192  
Interest expense:
Interest on deposits254  135  59  
Interest on short- and long-term borrowings157  116  68  
Total interest expense411  251  127  
Net interest income2,272  2,230  2,065  
Provision for credit losses:
Provision for loan losses37  (39) 24  
Provision for unfunded lending commitments (1) (7) 
Total provision for credit losses39  (40) 17  
Net interest income after provision for credit losses2,233  2,270  2,048  
Noninterest income:
Commercial account fees121  122  126  
Card fees92  94  96  
Retail and business banking fees78  78  78  
Loan-related fees and income75  74  72  
Capital markets and foreign exchange fees78  58  49  
Wealth management and trust fees60  55  47  
Other customer-related fees21  27  22  
Customer-related fees525  508  490  
Dividends and other income34  43  40  
Securities gains, net  14  
Total noninterest income562  552  544  
Noninterest expense:
Salaries and employee benefits1,141  1,070  1,006  
Occupancy, net133  132  129  
Furniture, equipment and software, net135  126  130  
Other real estate expense, net(3)  (1) 
Credit-related expense20  25  29  
Professional and legal services47  52  57  
Advertising19  26  22  
FDIC premiums25  50  53  
Other225  197  231  
Total noninterest expense1,742  1,679  1,656  
Income before income taxes1,053  1,143  936  
Income taxes237  259  344  
Net income816  884  592  
Preferred stock dividends(34) (34) (40) 
Preferred stock redemption—  —  (2) 
Net earnings applicable to common shareholders$782  $850  $550  
Weighted average common shares outstanding during the year:
Basic shares (in thousands)175,984  193,589  200,776  
Diluted shares (in thousands)186,504  206,501  209,653  
Net earnings per common share:
Basic$4.41  $4.36  $2.71  
Diluted4.16  4.08  2.60  
See accompanying notes to consolidated financial statements.
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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
(In millions)Year Ended December 31,
201920182017
Net income$816  $884  $592  
Other comprehensive income (loss), net of tax:
Net unrealized holding gains (losses) on investment securities257  (113) (2) 
Net unrealized gains (losses) on other noninterest-bearing investments(9)   
Net unrealized holding gains (losses) on derivative instruments33  (4) (3) 
Reclassification adjustment for decrease (increase) in interest income recognized in earnings on derivative instruments  (2) 
Pension and postretirement  12  
Effect of new tax rates from Tax Cuts and Jobs Act of 2017—  —  (25) 
Other comprehensive income (loss)293  (111) (17) 
Comprehensive income$1,109  $773  $575  
See accompanying notes to consolidated financial statements.
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CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS’ EQUITY
(In millions, except shares
and per share amounts)
Preferred
stock
Common stockAccumulated paid-in capitalRetained earningsAccumulated
other
comprehensive income (loss)
Total
shareholders’ equity
Shares
(in thousands)
Amount
Balance at December 31, 2016  $710  203,085  $4,725  $—  $2,321  $(122) $7,634  
Net income592  592  
Other comprehensive income, net of tax  
Preferred stock redemption(144)  (2) (144) 
Bank common stock repurchased(7,044) (321) (321) 
Net activity under employee plans and related tax benefits1,491  39  39  
Dividends on preferred stock(40) (40) 
Dividends on common stock, $0.44 per share(89) (89) 
Effect of new tax rates from Tax Cuts and Jobs Act of 201725  (25) —  
Balance at December 31, 2017566  197,532  4,445  —  2,807  (139) 7,679  
Net income884  884  
Merger of Bank Holding Company into Bank(4,052) 4,052  —  
Cumulative effect adjustment, adoption of ASU 2014-09, Revenue from Contracts with Customers1 
Other comprehensive loss, net of tax(111) (111) 
Bank common stock repurchased(12,984) (422) (250) (672) 
Net shares issued from stock warrant exercises1,770  —  
Net activity under employee plans and related tax benefits1,236  29  433  
Dividends on preferred stock(34) (34) 
Dividends on common stock, $1.04 per share(202) (202) 
Balance at December 31, 2018566  187,554  —  3,806  3,456  (250) 7,578  
Net income816  816  
Cumulative effect adjustment, adoption of ASU 2017-08, Premium Amortization on Purchased Callable Debt Securities(3) (3) 
Other comprehensive income, net of tax293  293  
Bank common stock repurchased(23,531) (1,102) (1,102) 
Net shares issued from stock warrant exercises —  
Net activity under employee plans and related tax benefits1,026  31  31  
Dividends on preferred stock(34) (34) 
Dividends on common stock, $1.28 per share(226) (226) 
Balance at December 31, 2019$566  165,057  $—  $2,735  $4,009  $43  $7,353  
See accompanying notes to consolidated financial statements.
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CONSOLIDATED STATEMENTS OF CASH FLOWS
(In millions)Year Ended December 31,
201920182017
CASH FLOWS FROM OPERATING ACTIVITIES
Net income$816  $884  $592  
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses39  (40) 17  
Depreciation and amortization188  193  179  
Share-based compensation27  26  25  
Deferred income tax expense (benefit)(2) —  154  
Net decrease (increase) in trading securities(76) 42  (33) 
Net decrease (increase) in loans held for sale(84)  97  
Change in other liabilities(14) 74  29  
Change in other assets(179) 14  (89) 
Other, net(18) (26) (43) 
Net cash provided by operating activities697  1,176  928  
CASH FLOWS FROM INVESTING ACTIVITIES
Net decrease (increase) in money market investments852  (784) 683  
Proceeds from maturities and paydowns of investment securities held-to-maturity391  361  314  
Purchases of investment securities held-to-maturity(209) (365) (216) 
Proceeds from sales, maturities, and paydowns of investment securities
available-for-sale
3,105  3,061  2,412  
Purchases of investment securities available-for-sale(1,864) (2,927) (4,719) 
Net change in loans and leases(1,957) (1,943) (2,135) 
Purchases and sales of other noninterest-bearing investments172  14  (105) 
Purchases of premises and equipment(117) (129) (169) 
Other, net  16  
Net cash provided by (used in) investing activities375  (2,706) (3,919) 
CASH FLOWS FROM FINANCING ACTIVITIES
Net increase (decrease) in deposits2,984  1,484  (614) 
Net change in short-term funds borrowed(3,600) 2,677  2,149  
Proceeds from debt over 90 days and up to one year—  —  5,100  
Repayments of debt over 90 days and up to one year—  (2,000) (3,100) 
Cash paid for preferred stock redemptions—  —  (144) 
Repayments of long-term debt—  (162) (153) 
Proceeds from the issuance of long-term debt992  497  —  
Bank common stock repurchased(1,102) (672) (321) 
Proceeds from the issuance of common stock14  20  25  
Dividends paid on common and preferred stock(260) (236) (129) 
Other, net(9) (12) (11) 
Net cash provided by (used in) financing activities(981) 1,596  2,802  
Net increase (decrease) in cash and due from banks91  66  (189) 
Cash and due from banks at beginning of year614  548  737  
Cash and due from banks at end of year$705  $614  $548  
Cash paid for interest$401  $237  $118  
Net cash paid for income taxes233  207  246  
Noncash activities are summarized as follows:
Loans held for investment transferred to other real estate owned12    
Loans held for investment reclassified to loans held for sale, net85  111  25  
See accompanying notes to consolidated financial statements.
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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
December 31, 2019
1.SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Business
Zions Bancorporation, National Association, (“Zions Bancorporation, N.A.”, “the Bank,” “we,” “our,” “us”) is a national commercial bank headquartered in Salt Lake City, Utah. The Bank provides a full range of banking and related services in 11 Western and Southwestern states through seven separately managed and branded units as follows: Zions Bank, in Utah, Idaho and Wyoming; California Bank & Trust (“CB&T”); Amegy Bank (“Amegy”), in Texas; National Bank of Arizona (“NBAZ”); Nevada State Bank (“NSB”); Vectra Bank Colorado (“Vectra”), in Colorado and New Mexico; and The Commerce Bank of Washington (“TCBW”) which operates under that name in Washington and under the name The Commerce Bank of Oregon (“TCBO”) in Oregon.
Basis of Financial Statement Presentation and Principles of Consolidation
The consolidated financial statements include the accounts of the Bank and its majority-owned subsidiaries. Unconsolidated investments where we have the ability to exercise significant influence over the operating and financial policies of the respective investee are accounted for using the equity method of accounting. All significant intercompany accounts and transactions have been eliminated in consolidation. Assets held in an agency or fiduciary capacity are not included in the Consolidated Financial Statements.
The consolidated financial statements have been prepared in accordance with United States (“U.S.”) generally accepted accounting principles (“GAAP”) and prevailing practices within the financial services industry. References to GAAP, including standards promulgated by the Financial Accounting Standards Board (“FASB”), are made according to sections of the Accounting Standards Codification (“ASC”). Changes to the ASC are made with Accounting Standards Updates (“ASU”) that include consensus issues of the Emerging Issues Task Force (“EITF”). In certain cases, ASUs are issued jointly with International Financial Reporting Standards.
In preparing the consolidated financial statements, we are required to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from those estimates. Certain prior year amounts have been reclassified to conform with the current year presentation. These reclassifications did not affect net income or shareholders’ equity.
Variable Interest Entities
A variable interest entity (“VIE”) is consolidated when a company is the primary beneficiary of the VIE. Current accounting guidance requires continuous analysis on a qualitative rather than a quantitative basis to determine the primary beneficiary of a VIE. At the commencement of our involvement, and periodically thereafter, we consider our consolidation conclusions for all entities with which we are involved. As of December 31, 2019 and 2018, zero VIEs have been consolidated in the Bank’s financial statements.
Statement of Cash Flows
For purposes of presentation in the consolidated statements of cash flows, “cash and cash equivalents” are defined as those amounts included in cash and due from banks in the consolidated balance sheets.
Fair Value Estimates
We measure many of our assets and liabilities on a fair value basis. Fair value is the price that could be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants. To improve consistency and comparability in fair value measurements, GAAP has established a hierarchy to prioritize the valuation inputs among three levels. The Bank prioritizes quoted prices in active markets and minimizes reliance on unobservable inputs when possible. When observable market prices are not available, fair value is estimated using modeling techniques such as discounted cash flow analysis. These modeling techniques use assumptions that market
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participants would consider in pricing the asset or the liability, including assumptions about the risk inherent in a particular valuation technique, the effect of a restriction on the sale or use of an asset, the life of the asset and applicable growth rate, the risk of nonperformance, and other related assumptions. Changes in market conditions may reduce the availability of quoted prices or observable data. When market data is not available, the Bank uses valuation techniques requiring professional judgment to estimate the appropriate fair value. See Note 3 of the Notes to Consolidated Financial Statements for further information regarding the use of fair value estimates.
Security Resell Agreements
Security resell agreements represent overnight and term agreements with the majority maturing within 30 days. These agreements are generally treated as collateralized financing transactions and are carried at amounts at which the securities were acquired plus accrued interest. Either the Bank, or in some instances third parties on its behalf, take possession of the underlying securities. The fair value of such securities is monitored throughout the contract term to ensure that asset values remain sufficient to protect against counterparty default. We are permitted by contract to sell or repledge certain securities that we accept as collateral for security resell agreements. If sold, our obligation to return the collateral is recorded as “securities sold, not yet purchased” and included as a liability in “Federal funds and other short-term borrowings.” At December 31, 2019, we held $0.3 billion of securities for which we were permitted by contract to sell or repledge. Security resell agreements averaged $0.6 billion during 2019, and the maximum amount outstanding at any month-end during 2019 was $1.0 billion.
Investment Securities
We classify our investment securities according to their purpose and holding period. Gains or losses on the sale of securities are recognized using the specific identification method and recorded in noninterest income.
Held-to-maturity (“HTM”) debt securities are carried at amortized cost with purchase discounts or premiums accreted or amortized into interest income over the contractual life of the security. The Bank has the intent and ability to hold such securities until maturity.
Available-for-sale (“AFS”) securities are stated at fair value and generally consist of debt securities held for investment. Unrealized gains and losses of AFS securities, after applicable taxes, are recorded as a component of other comprehensive income (“OCI”).
We review quarterly our investment securities portfolio for any declines in value that are considered to be other-than-temporary impairment (“OTTI”). The process, methodology, and factors considered to evaluate securities for OTTI are discussed further in Note 5.
Trading securities are stated at fair value and consist of securities acquired for short-term appreciation or other trading purposes. Realized and unrealized gains and losses are recorded in trading income, which is included in “Capital markets and foreign exchange.”
The fair values of investment securities, as estimated under current accounting guidance, are discussed in Note 3.
Leases
As a lessee when we enter a lease contract we classify and account for the lease as either a finance lease or an operating lease, depending on the terms and conditions of the lease. A finance lease is recorded as an asset and a liability, and the asset is generally depreciated over the lease term. The lease liability is reduced as lease payments are made. An operating lease is recorded as a right-of-use ("ROU") asset and operating lease liability. These balance sheet items are reduced as lease payments are made. Lease payments are expensed over the lease term; they are recorded as rent expense and are recognized on a straight-line basis. Lease-related assets are reviewed for impairment on an on-going basis.
The lease term is the noncancelable period that we have the right to use the leased asset. This term begins on the commencement date of the lease and incorporates options to extend or renew the lease when it is reasonably certain that we will exercise these options.
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Loans and Allowance for Credit Losses
Loans are reported at the principal amount outstanding, net of unearned income, unamortized purchase premiums and discounts, and net deferred loan fees and costs, which are amortized to interest income over the life of the loan using the interest method. Interest income is recognized on an accrual basis.
At the time of origination, we determine whether loans will be held for investment or held for sale. We may subsequently change our intent to hold loans for investment and reclassify them as held for sale. Loans held for sale are carried at the lower of aggregate cost or fair value. A valuation allowance is recorded when cost exceeds fair value based on reviews at the time of reclassification and periodically thereafter. Gains and losses are recorded in noninterest income based on the difference between sales proceeds and carrying value.
We evaluate loans throughout their lives for signs of credit deterioration, which may impact the loan’s status, and potentially impact our accounting for that loan. Loan status categories include past due as to contractual payments, nonaccrual, impaired, and restructured, including troubled debt restructurings (“TDRs”). Our accounting policies for these loan statuses and our estimation of the related allowance for loan and lease losses (“ALLL”) are discussed further in Note 6.
In the ordinary course of business, we transfer portions of loans under participation agreements to manage credit risk and our portfolio concentration. We evaluate the loan participations to determine if they meet the appropriate accounting guidance to qualify as sales. Certain purchased loans require separate accounting procedures that are also discussed in Note 6.
The allowance for credit losses (“ACL”) includes the ALLL and the reserve for unfunded lending commitments (“RULC”) and represents our estimate of losses inherent in the loan portfolio that may be recognized from loans and lending commitments that are not recoverable. Further discussion of our estimation process for the ACL is included in Note 6.
On January 1, 2020, we adopted ASU 2016-13, Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments, and its subsequent updates, often referred to as the Current Expected Credit Loss (“CECL”) model. CECL changes how the ACL is measured for loans and for additional financial assets, including HTM securities. Under CECL, the ACL will represent our estimate of current expected credit losses over the contractual term of the loan and lease portfolio and unfunded lending commitments as of the balance sheet date. The ACL for debt securities is estimated separately from loans.
Other Noninterest-Bearing Investments
These investments include investments in private equity funds– referred to in this document as private equity investments (“PEIs”) – venture capital securities, securities acquired for various debt and regulatory requirements, bank-owned life insurance ("BOLI"), and certain other noninterest-bearing investments. See further discussion in Note 3.
Certain PEIs and venture capital securities are accounted for under the equity method and reported at fair value. Changes in fair value and gains and losses from sales are recognized in noninterest income. The values assigned to the securities where no market quotations exist are based upon available information and may not necessarily represent amounts that will ultimately be realized. Such estimated amounts depend on future circumstances and will not be realized until the individual securities are liquidated.
BOLI is accounted for at fair value based on the cash surrender values (“CSVs”) of the general account insurance policies. A third-party service provides these values.
Other PEIs, and those acquired for various debt and regulatory requirements, are accounted for at cost less impairment (if any), plus or minus observable price changes from an identical or similar investment of the same issuer, with such changes recognized in income. Periodic reviews are conducted for impairment by comparing carrying values with estimates of fair value determined according to the previous discussion.
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Premises, Equipment and Software, Net
Premises, equipment and software are stated at cost, net of accumulated depreciation and amortization. Depreciation, computed primarily on the straight-line method, is charged to operations over the estimated useful lives of the properties, generally 25 to 40 years for buildings, 3 to 10 years for furniture and equipment, and 3 to 10 years for software, including capitalized costs related to the Bank’s technology initiatives. Leasehold improvements are amortized over the terms of the respective leases or the estimated useful lives of the improvements (including any extension options that are reasonably certain to be exercised), whichever is shorter. Premises, equipment and software are evaluated for impairment on a periodic basis.
Goodwill and Identifiable Intangible Assets
Goodwill and intangible assets deemed to have indefinite lives are not amortized. We subject these assets to annual specified impairment tests as of the beginning of the fourth quarter and more frequently if changing conditions warrant. Core deposit assets and other intangibles with finite useful lives are generally amortized on an accelerated basis using an estimated useful life of up to 12 years.
Business Combinations
Business combinations are accounted for under the acquisition method of accounting. Upon initially obtaining control, we recognize 100% of all acquired assets and all assumed liabilities regardless of the percentage owned. The assets and liabilities are recorded at their estimated fair values, with goodwill being recorded when such fair values are less than the cost of acquisition. Certain transaction and restructuring costs are expensed as incurred. Changes to estimated fair values from a business combination are recognized as an adjustment to goodwill over the measurement period, which cannot exceed one year from the acquisition date. Results of operations of the acquired business are included in our statement of income from the date of acquisition.
Other Real Estate Owned
Other real estate owned (“OREO”) consists principally of commercial and residential real estate obtained in partial or total satisfaction of loan obligations. Amounts are recorded initially at fair value (less any selling costs) based on property appraisals at the time of transfer and subsequently at the lower of cost or fair value (less any selling costs).
Derivative Instruments
We use derivative instruments, including interest rate swaps and purchased and sold options such as floors and basis swaps, as part of our overall interest rate risk management strategy. Derivatives are an important tool used in managing our overall asset and liability sensitivities to remain within management’s stated interest rate risk thresholds. Their use allows us to adjust and align our naturally occurring mix of fixed and floating-rate assets and liabilities to manage interest income volatility by synthetically converting variable-rate assets to fixed-rate, or synthetically converting fixed-rate funding instruments to floating rates.
We also execute both interest rate and short-term foreign currency derivative instruments with our commercial banking customers to facilitate their risk management strategies. These derivatives are immediately hedged by offsetting derivatives with third parties such that we minimize our net risk exposure as a result of such transactions. We record all derivatives at fair value in the balance sheet as either other assets or other liabilities. The accounting for the change in value of a derivative depends on whether or not the transaction has been designated and qualifies for hedge accounting. Derivatives that are not designated as hedges are reported and measured at fair value through earnings. See Note 7 for more information.
Derivatives in Designated Accounting Hedge
We apply hedge accounting to certain derivatives executed for risk management purposes, primarily interest rate risk. To qualify for hedge accounting, a derivative must be highly effective at reducing the risk associated with the exposure being hedged and the hedging relationship must be formally documented. We primarily use regression analysis to assess the effectiveness of each hedging relationship, unless the hedge qualifies for other methods of assessing effectiveness (e.g. shortcut or critical terms match), both at inception and on an ongoing basis. We designate derivatives as fair value and cash flow hedges for accounting purposes and these hedges can be a
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significant aspect of the Bank’s overall interest risk sensitivity management. The Bank may add additional hedging strategies and apply hedge accounting to the strategies as it deems necessary. See Note 7 for more information regarding the accounting for derivatives designated as hedging instruments.
Commitments and Letters of Credit
In the ordinary course of business, we enter into commitments to extend credit, commercial letters of credit, and standby letters of credit. Such financial instruments are recorded in the financial statements when they become payable. The credit risk associated with these commitments is evaluated in a manner similar to the ALLL. The RULC is presented separately in the balance sheet.
Revenue Recognition
Service charges and fees on deposit accounts are recognized in accordance with published deposit account agreements for customer accounts or contractual agreements for commercial accounts. Other service charges, commissions and fees include interchange fees, bank services and other fees, which are generally recognized at the time of transaction or as the services are performed.
Share-Based Compensation
Share-based compensation generally includes grants of stock options, restricted stock, restricted stock units (“RSUs”), and other awards to employees and nonemployee directors. We recognize compensation expense in the statement of income based on the grant-date value of the associated share-based awards. See further discussion in Note 19.
Income Taxes
Deferred tax assets (“DTAs”) and liabilities are determined based on temporary differences between financial statement asset and liability amounts and their respective tax basis and are measured using enacted tax laws and rates. The effect on DTAs and liabilities of a change in tax rates is recognized in income in the period that includes the enactment date. DTAs are recognized subject to management’s judgment that realization is more likely than not. Unrecognized tax benefits for uncertain tax positions relate primarily to tax credits on technology initiatives. See further discussion in Note 20.
Net Earnings Per Common Share
Net earnings per common share is based on net earnings applicable to common shareholders, which is net of preferred stock dividends. Basic net earnings per common share is based on the weighted average outstanding common shares during each year. Unvested share-based awards with rights to receive nonforfeitable dividends are considered participating securities and included in the computation of basic earnings per share. Diluted net earnings per common share is based on the weighted average outstanding common shares during each year, including common stock equivalents. Stock options, restricted stock, RSUs, and stock warrants are converted to common stock equivalents using the more dilutive of the treasury stock method or the two-class method. Diluted net earnings per common share excludes common stock equivalents whose effect is antidilutive. See further discussion in Note 21.
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2. RECENT ACCOUNTING PRONOUNCEMENTS
Accounting Standard UpdatesDescriptionDate of adoptionEffect on the financial statements or other significant matters
Updates not yet adopted by the Bank during 2019
ASU 2016-13,
Credit Losses
(Topic 326):
Measurement of
Credit Losses on
Financial
Instruments and subsequent related ASUs

This ASU, and subsequent updates, significantly changes how entities will measure credit losses for virtually all financial assets and certain other instruments that are not measured at fair value through net income that have the contractual right to receive cash. The update replaces today’s “incurred loss” approach with a current expected credit loss (“CECL”) model for instruments such as loans and held-to-maturity (“HTM”) securities that are measured at amortized cost. The ASU requires credit losses relating to available-for sale (“AFS”) debt securities to be recorded through an allowance for credit loss (“ACL”) rather than a reduction of the carrying amount and replaces the historically required other-than-temporary impairment (“OTTI”) analysis. It also changes the accounting for purchased credit-impaired debt securities and loans.

The ASU retains many of the current disclosure requirements in U.S. GAAP and expands other disclosure requirements. The new guidance is effective for calendar year-end public companies beginning January 1, 2020.
January 1,
2020
During 2019, we ran several parallel runs of the CECL model. Additionally, we implemented a set of controls, including management review controls; implementation controls; and data, model and forecasting controls.

The ACL, as calculated under CECL, is influenced by the portfolio composition, credit quality, macroeconomic conditions, and forecasts at that time, as well as other management judgments.

We adopted ASU 2016-13 and its subsequent updates on January 1, 2020; the impact upon adoption was not significant.
ASU 2017-04,
Intangibles –
Goodwill and
Other (Topic 350):
Simplifying the
Test for Goodwill
Impairment

This ASU removes the requirements in step two of the current goodwill impairment model, eliminating the requirement to calculate and compare the implied fair value of the reporting entity with the carrying amount of that entity, including goodwill, to measure any impairment charge. Instead, entities will record an impairment charge based on the excess of a reporting unit’s carrying amount of goodwill over its implied fair value of goodwill (i.e., measure the charge based on step one of the current guidance).

The ASU also continues to allow entities to perform an optional qualitative goodwill impairment assessment before determining whether to proceed to the quantitative step one. The update is effective for the Bank as of January 1, 2020. Early adoption is allowed for any goodwill impairment test performed after January 1, 2017.
January 1,
2020
We adopted this guidance as of January 1, 2020, and there was no significant impact on the Bank's financial statements upon adoption.
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Accounting Standard UpdatesDescriptionDate of adoptionEffect on the financial statements or other significant matters
Updates adopted by the Bank during 2019
ASU 2016-02,
Leases (Topic 842)
and subsequent
related ASUs

Although lessor accounting was left materially unchanged by ASU 2016-02 (and all related ASUs which together have been codified in ASC 842), ASC 842 requires that all lessees recognize a right-of-use ("ROU") asset and an offsetting lease liability for all leases with a term greater than 12 months. As the lessee, we adopted an accounting policy election, by class of underlying asset, to not recognize lease assets or liabilities for leases with a term of 12 months or less.

The recognition, measurement, and presentation of expenses and cash flows arising from a lease will depend primarily on its classification as a finance or operating lease. ASC 842 requires additional disclosures to provide financial statement users a better understanding of the amount, timing, and uncertainty of cash flows arising from leases. These new quantitative and qualitative disclosure requirements are detailed further in Note 8.
January 1,
2019
The Bank adopted ASC 842 as of January 1, 2019 using the second of two permitted modified retrospective approaches for initial adoption. Under this method, the Bank recorded a right-of use asset of approximately $225 million and a lease liability of approximately $242 million. There was no impact to retained earnings upon adoption.

See Note 8 for additional details on the financial statement impact of completing the adoption of ASC 842.

ASU 2017-08,
Nonrefundable
Fees and Other
Costs (Subtopic
310-20). Premium
Amortization on
Purchased
Callable Debt
Securities
The amendments in this ASU shorten the amortization period for certain callable debt securities held at a premium. The ASU requires the premium of qualifying debt securities to be amortized to the earliest call date. The update does not change the accounting for callable debt securities held at a discount.January 1,
2019
We adopted this ASU as of January 1, 2019 using a modified retrospective transition approach. There was no significant impact on the Bank's financial statements upon adoption.
ASU 2018-13,
Fair Value
Measurement
(Topic 820):
Disclosure
Framework –
Changes to the
Disclosure
Requirements for
Fair Value
Measurement
The purpose of this ASU is to improve the effectiveness of disclosures in the notes to the financial statements. This update removes, modifies, and makes certain additions to the disclosure requirements for fair value measurement.
The mandatory adoption date of the guidance in this ASU is for the first fiscal period beginning after December 15, 2019, with early adoption permitted.
January 1,
2019
We early adopted this ASU as of January 1, 2019. This update
will be applied prospectively. The changes to the disclosure requirements for fair value
measurements are not significant to the financial statements and can be found in Note 3.
ASU 2018-15,
Intangibles –
Goodwill and
Other-Internal-
Use Software
(Topic 350-40):
Customer’s
Accounting for
Implementation
Cost Incurred in a
Cloud Computing
Arrangement That
Is a Service
Contract

This ASU aligns the requirements for capitalizing implementation costs associated with Cloud Computing Arrangements that meet the definition of a service contract with requirements already provided for costs associated with internal-use software. Additionally, it clarifies that:
-The amortization period for capitalized amounts will be the noncancelable hosting contract term plus any expected renewal periods;
-Entities in a hosting arrangement that is a service contract must provide certain qualitative and quantitative disclosures; and
-Transition for those not already following the provisions of this ASU can be applied either retrospectively or prospectively.
January 1,
2019
We early adopted this ASU as of January 1, 2019. The Bank has historically been applying the guidance as clarified in this ASU. Consequently, the adoption of the ASU did not have a significant impact on the Bank’s financial statements.

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3. FAIR VALUE
Fair Value Measurement
Fair value is defined as the exchange price that would be received for an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. To measure fair value, a hierarchy has been established that requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs. This hierarchy uses three levels of inputs to measure the fair value of assets and liabilities as follows:
Level 1 – Quoted prices in active markets for identical assets or liabilities in active markets that the Bank has the ability to access;
Level 2 – Observable inputs other than Level 1, including quoted prices for similar assets or liabilities in active markets, quoted prices for identical or similar assets or liabilities in less active markets, observable inputs other than quoted prices that are used in the valuation of an asset or liability, and inputs that are derived principally from or corroborated by observable market data by correlation or other means; and
Level 3 – Unobservable inputs supported by little or no market activity for financial instruments whose value is determined by pricing models, discounted cash flow methodologies or similar techniques, as well as instruments for which the determination of fair value requires significant management judgment or estimation.
The level in the fair value hierarchy within which the fair value measurement is classified is determined based on the lowest level input that is significant to the fair value measurement in its entirety. Market activity is presumed to be orderly in the absence of evidence of forced or disorderly sales, although such sales may still be indicative of fair value. Applicable accounting guidance precludes the use of blockage factors or liquidity adjustments due to the quantity of securities held by an entity.
We use fair value to measure certain assets and liabilities on a recurring basis when fair value is the primary measure for accounting. Fair value is used on a nonrecurring basis to measure certain assets when adjusting carrying values, such as the application of lower of cost or fair value accounting, including recognition of impairment on assets. Fair value is also used when providing required disclosures for certain financial instruments.
Fair Value Policies and Procedures
We have various policies, processes and controls in place to ensure that fair values are reasonably developed, reviewed and approved for use. These include a Securities Valuation Committee, comprised of executive management, that reviews and approves on a quarterly basis the key components of fair value estimation, including critical valuation assumptions for Level 3 modeling. A Model Risk Management Group conducts model validations, including internal models, and sets policies and procedures for revalidation, including the timing of revalidation.
Third-party Service Providers
We use a third party pricing service to measure fair value for approximately 94% of our AFS Level 2 securities. Fair value measurements for other AFS Level 2 securities generally use certain inputs corroborated by market data and include standard discounted cash flow analysis.
For Level 2 securities, the third party pricing service provides documentation on an ongoing basis that presents market corroborative data, including detailed pricing information and market reference data. The documentation includes benchmark yields, reported trades, broker-dealer quotes, issuer spreads, two-sided markets, benchmark securities, bids, offers, and reference data, including information from the vendor trading platform. We review, test and validate this information as appropriate. Absent observable trade data, we do not adjust prices from our third-party sources.
The following describes the hierarchy designations, valuation methodologies and key inputs to measure fair value on a recurring basis for designated financial instruments:
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Available-for-Sale
U.S. Treasury, Agencies and Corporations
U.S. Treasury securities are measured under Level 1 using quoted market prices when available. U.S. agencies and corporations are measured under Level 2 generally using the previously discussed third-party pricing service.
Municipal Securities
Municipal securities are measured under Level 2 using the third party pricing service.
Money Market Mutual Funds and Other
Money market mutual funds and other securities are measured under Level 1 or Level 2. For Level 1, quoted market prices are used which may include net asset values (“NAVs”) or their equivalents. Level 2 valuations generally use quoted prices for similar securities. With the adoption of ASU 2016-01, as of January 1, 2018 our money market mutual funds are no longer classified as AFS and are now recognized in trading.
Trading Account
Securities in the trading account are generally measured under Level 2 using third-party pricing service providers as described previously.
Held-to-Maturity
HTM securities are carried at amortized cost, but for disclosure purposes are measured at fair value using a third party pricing service or an internal model. The internal model utilizes observable market yields as inputs.
Bank-owned Life Insurance
BOLI is measured under Level 2 according to CSVs of the insurance policies that are provided by a third party service. Nearly all policies are general account policies with CSVs based on the Bank’s claims on the assets of the insurance companies. The insurance companies’ investments include predominantly fixed-income securities consisting of investment-grade corporate bonds and various types of mortgage instruments. Management regularly reviews its BOLI investment performance, including concentrations among insurance providers.
Private Equity Investments
PEIs are generally measured under Level 3. The majority of these PEIs are held in the Bank’s Small Business Investment Company (“SBIC”) and are early-stage venture investments. The fair value measurements of these investments are reviewed at least on a quarterly basis, including whenever a new round of financing occurs. Certain of these investments may be measured using multiples of operating performance. The fair value measurements of PEIs are reviewed on a quarterly basis by the Securities Valuation Committee. The Equity Investments Committee, consisting of executives familiar with the investments, reviews periodic financial information, including audited financial statements when available.
Certain valuation analytics may be employed that include current and projected financial performance, recent financing activities, economic and market conditions, market comparables, market liquidity, sales restrictions, and other factors. A significant change in the expected performance of the individual investment would result in a change in the fair value measurement of the investment. The amount of unfunded commitments to invest is disclosed in Note 16. Certain restrictions apply for the redemption of these investments and certain investments are prohibited by the Volcker Rule. See discussions in Notes 5 and 16.
Agriculture Loan Servicing
This asset results from our servicing of agriculture loans approved and funded by Federal Agricultural Mortgage Corporation (“FAMC”). We provide this servicing under an agreement with FAMC for loans they own. The asset’s fair value represents our projection of the present value of future cash flows measured under Level 3 using discounted cash flow methodologies.
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Interest-only Strips
Interest-only strips are created as a by-product of the securitization process. When the guaranteed portions of Small Business Administration (“SBA”) 7(a) loans are pooled, interest-only strips may be created in the pooling process. The asset’s fair value represents our projection of the present value of future cash flows measured under Level 3 using discounted cash flow methodologies.
Deferred Compensation Plan Assets and Obligations
Invested assets in the deferred compensation plan consist of shares of registered investment companies. These mutual funds are valued under Level 1 at quoted market prices, which represents the NAV of shares held by the plan at the end of the period.
Derivatives
Derivatives are measured according to their classification as either exchange-traded or over-the-counter. Exchange-traded derivatives consist of foreign currency exchange contracts measured under Level 1 because they are traded in active markets. Over-the-counter derivatives, including those for customers, consist of interest rate swaps and options. These derivatives are measured under Level 2 using third party services. Observable market inputs include yield curves –the London Interbank Offered Rate (“LIBOR”) swap curve and relevant overnight index swap curves– foreign exchange rates, commodity prices, option volatilities, counterparty credit risk, and other related data. Credit valuation adjustments are required to reflect nonperformance risk for both the Bank and the respective counterparty. These adjustments are determined generally by applying a credit spread to the total expected exposure of the derivative.
Securities Sold, Not Yet Purchased
Securities sold, not yet purchased, included in “Federal funds and other short-term borrowings” on the balance sheet, are measured under Level 1 using quoted market prices. If not available, quoted prices under Level 2 for similar securities are used.
Loans
Loans are generally carried at amortized cost, but for disclosure purposes are measured at fair value under Level 3 according to their status as nonimpaired or impaired. For nonimpaired loans, fair value is estimated by discounting future cash flows using the LIBOR yield curve adjusted by a factor which reflects the credit, interest rate risk and liquidity inherent in the loan. These future cash flows are then reduced by the estimated “life-of-the-loan” aggregate credit losses in the loan portfolio. These adjustments for lifetime future credit losses are derived from the methods used to estimate the ALLL for our loan portfolio and are adjusted quarterly as necessary to reflect the most recent loss experience. Impaired loans that are collateral-dependent are already considered to be held at fair value. Impaired loans that are not collateral-dependent have future cash flows reduced by the estimated “life-of-the-loan” credit loss derived from methods used to estimate the ALLL for these loans. See Impaired Loans in Note 6 for details on the impairment measurement method for impaired loans. Loans, other than those held for sale, are not normally purchased and sold by the Bank, and there are no active trading markets for most of this portfolio.
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Quantitative Disclosure by Fair Value Hierarchy
Assets and liabilities measured at fair value by class on a recurring basis are summarized as follows:
(In millions)December 31, 2019
Level 1Level 2Level 3Total
ASSETS
Investment securities:
Available-for-sale:
U.S. Treasury, agencies and corporations$25  $12,356  $—  $12,381  
Municipal securities1,319  1,319  
Other debt securities25  25  
Total Available-for-sale25  13,700  —  13,725  
Trading account65  117  182  
Other noninterest-bearing investments:
Bank-owned life insurance525  525  
Private equity investments1
 107  116  
Other assets:
Agriculture loan servicing and interest-only strips18  18  
Deferred compensation plan assets113  113  
Derivatives:
Derivatives not designated as hedges:
Customer-facing interest rate146  146  
Other interest rate  
Foreign exchange  
Total Assets$216  $14,491  $125  $14,832  
LIABILITIES
Securities sold, not yet purchased$66  $—  $—  $66  
Other liabilities:
Deferred compensation plan obligations113  113  
Derivatives:
Derivatives not designated as hedges:
Customer-facing interest rate14  14  
Other interest rate  
Foreign exchange  
Total Liabilities$183  $15  $—  $198  
1 The level 1 PEIs amount relates to the portion of our SBIC investments that are now publicly traded.
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(In millions)December 31, 2018
Level 1Level 2Level 3Total
ASSETS
Investment securities:
Available-for-sale:
U.S. Treasury, agencies and corporations$40  $13,385  $—  $13,425  
Municipal securities1,291  1,291  
Other debt securities21  21  
Total Available-for-sale40  14,697  —  14,737  
Trading account14  92  106  
Other noninterest-bearing investments:
Bank-owned life insurance516  516  
Private equity investments102  102  
Other assets:
Agriculture loan servicing and interest-only strips18  18  
Deferred compensation plan assets95  95  
Derivatives:
Derivatives not designated as hedges:
Customer-facing interest rate40  40  
Other interest rate  
Foreign exchange  
Total Assets$153  $15,346  $120  $15,619  
LIABILITIES
Securities sold, not yet purchased$85  $—  $—  $85  
Other liabilities:
Deferred compensation plan obligations95  95  
Derivatives:
Derivatives not designated as hedges:
Customer-facing interest rate36  36  
Other interest rate  
Foreign exchange  
Total Liabilities$182  $37  $—  $219  
Reconciliation of Level 3 Fair Value Measurements
The following reconciles the beginning and ending balances of assets and liabilities that are measured at fair value by class on a recurring basis using Level 3 inputs:
 Level 3 Instruments
December 31, 2019December 31, 2018
(In millions)Private
equity
investments
Ag loan svcg and int-only stripsPrivate
equity
investments
Ag loan svcg and int-only strips
Balance at beginning of year  $102  $18  $95  $18  
Securities gains, net —   —  
Other noninterest income—   —   
Purchases10  —  11  —  
Redemptions and paydowns—  (1) (6) (1) 
Transfers out1
(7) —  —  —  
Balance at end of year$107  $18  $102  $18  
1 This represents the value of a private equity investment at the beginning of the quarter during which it became publicly traded.
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During the third quarter of 2019 one of our PEIs became publicly traded and was transferred from Level 3 to Level 1. No transfers of assets or liabilities occurred among Levels 1, 2 or 3 for 2018.
The reconciliation of Level 3 instruments includes the following realized gains and losses in the statement of income:
(In millions)Year Ended
December 31,
2019  2018  
Securities gains (losses), net$(9) $(1) 
Nonrecurring Fair Value Measurements
Included in the balance sheet amounts are the following amounts of assets that had fair value changes measured on a nonrecurring basis:
(In millions)Fair value at December 31, 2019Gains (losses) from
fair value changes Year Ended December 31, 2019
Level 1Level 2Level 3Total
ASSETS
Private equity investments, carried at cost$—  $—  $ $ $(1) 
Impaired loans—  —  —  —  —  
Other real estate owned—  —  —  —  (1) 
Total$—  $—  $ $ $(2) 

(In millions)Fair value at December 31, 2018Gains (losses) from
fair value changes Year Ended December 31, 2018
Level 1Level 2Level 3Total
ASSETS
Private equity investments, carried at cost$—  $—  $ $ $—  
Impaired loans—  32  —  32  (13) 
Other real estate owned—  —  —  —  (1) 
Total$—  $32  $ $33  $(14) 
The previous fair values may not be current as of the dates indicated, but rather as of the date the fair value change occurred, such as a charge for impairment. Accordingly, carrying values may not equal the current fair value.
We recognized net gains of $3 million in 2019 and $1 million in 2018 from the sale of OREO properties that had a carrying value at the time of sale of approximately $5 million in 2019 and $4 million in 2018. Previous to their sale in these years, we recognized an insignificant amount of impairment on these properties in 2019 and 2018.
PEIs carried at cost were measured at fair value for impairment purposes according to the methodology previously discussed for these investments. Amounts of PEIs carried at cost were $8 million at December 31, 2019 and $10 million at December 31, 2018. Amounts of other noninterest-bearing investments carried at cost were $157 million and $329 million at December 31, 2019 and 2018, respectively, which were comprised of Federal Reserve and Federal Home Loan Bank (“FHLB”) stock. PEIs accounted for using the equity method were $45 million and $35 million at December 31, 2019 and 2018, respectively.
Impaired (or nonperforming) loans that are collateral-dependent were measured at fair value based on the fair value of the collateral. OREO was measured initially at fair value based on collateral appraisals at the time of transfer and subsequently at the lower of cost or fair value.
Measurement of fair value for collateral-dependent loans and OREO was based on third party appraisals that utilize one or more valuation techniques (income, market and/or cost approaches). Any adjustments to calculated fair value were made based on recently completed and validated third-party appraisals, third party appraisal services,
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automated valuation services, or our informed judgment. Evaluations were made to determine that the appraisal process met the relevant concepts and requirements of applicable accounting guidance.
Automated valuation services may be used primarily for residential properties when values from any of the previous methods were not available within 90 days of the balance sheet date. These services use models based on market, economic, and demographic values. The use of these models has only occurred in very few instances and the related property valuations have not been sufficiently significant to consider disclosure under Level 3 rather than Level 2.
Impaired loans that are not collateral-dependent were measured based on the present value of future cash flows discounted at the expected coupon rates over the lives of the loans. Because the loans were not discounted at market interest rates, the valuations do not represent fair value and have been excluded from the nonrecurring fair value balance in the preceding schedules.
Fair Value of Certain Financial Instruments
Following is a summary of the carrying values and estimated fair values of certain financial instruments:
 December 31, 2019December 31, 2018
(In millions)Carrying
value
Estimated
fair value
LevelCarrying
value
Estimated
fair value
Level
Financial assets:
Held-to-maturity investment securities$592  $597  2$774  $767   
Loans and leases (including loans held for sale), net of allowance48,343  47,958  346,312  45,251   
Financial liabilities:
Time deposits4,719  4,725  24,336  4,319   
Long-term debt1,723  1,751  2724  727   
This summary excludes financial assets and liabilities for which carrying value approximates fair value and financial instruments that are recorded at fair value on a recurring basis. Financial instruments for which carrying values approximate fair value include cash and due from banks, money market investments, demand, savings and money market deposits, federal funds purchased and other short-term borrowings, and security repurchase agreements. The estimated fair value of demand, savings and money market deposits is the amount payable on demand at the reporting date. Carrying value is used because the accounts have no stated maturity and the customer has the ability to withdraw funds immediately. Time and foreign deposits, and any other short-term borrowings, are measured at fair value by discounting future cash flows using the LIBOR yield curve to the given maturity dates. Long-term debt is measured at fair value based on actual market trades (i.e., an asset value) when available, or discounting cash flows to maturity using the LIBOR yield curve adjusted for credit spreads. The methods used to measure fair value for HTM securities and loans were previously described in this footnote.
These fair value disclosures represent our best estimates based on relevant market information and information about the financial instruments. Fair value estimates are based on judgments regarding current economic conditions, future expected loss experience, risk characteristics of the various instruments, and other factors. These estimates are subjective in nature, involve uncertainties and matters of significant judgment, and cannot be determined with precision. Changes in these methodologies and assumptions could significantly affect the estimates.
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4. OFFSETTING ASSETS AND LIABILITIES
Gross and net information for selected financial instruments in the balance sheet is as follows:
December 31, 2019
(In millions)Gross amounts not offset in the balance sheet
DescriptionGross amounts recognizedGross amounts offset in the balance sheetNet amounts presented in the balance sheetFinancial instrumentsCash collateral received/pledgedNet amount
Assets:
Federal funds sold and security resell agreements$694  $(210) $484  $—  $—  $484  
Derivatives (included in other assets)153  —  153  (6) —  147  
Total assets$847  $(210) $637  $(6) $—  $631  
Liabilities:
Federal funds and other short-term borrowings$2,263  $(210) $2,053  $—  $—  $2,053  
Derivatives (included in other liabilities)19  —  19  (6) (10)  
Total liabilities$2,282  $(210) $2,072  $(6) $(10) $2,056  
December 31, 2018
(In millions)Gross amounts not offset in the balance sheet
DescriptionGross amounts recognizedGross amounts offset in the balance sheetNet amounts presented in the balance sheetFinancial instrumentsCash collateral received/pledgedNet amount
Assets:
Federal funds sold and security resell agreements$1,461  $—  $1,461  $—  $—  $1,461  
Derivatives (included in other assets)45  —  45  (35) (3)  
Total assets$1,506  $—  $1,506  $(35) $(3) $1,468  
Liabilities:
Federal funds and other short-term borrowings$5,653  $—  $5,653  $—  $—  $5,653  
Derivatives (included in other liabilities)39  —  39  (35) (1)  
Total liabilities$5,692  $—  $5,692  $(35) $(1) $5,656  
Security repurchase and reverse repurchase (“resell”) agreements are offset, when applicable, in the balance sheet according to master netting agreements. Security repurchase agreements are included with “Federal funds and other short-term borrowings.” Derivative instruments may be offset under their master netting agreements; however, for accounting purposes, we present these items on a gross basis in the Bank’s balance sheet. See Note 7 for further information regarding derivative instruments.
5. INVESTMENTS
Investment Securities
Securities are classified as HTM, AFS or trading. HTM securities, which management has the intent and ability to hold until maturity, are carried at amortized cost. AFS securities are carried at fair value and unrealized gains and losses are reported as net increases or decreases to accumulated other comprehensive income (“AOCI”). Trading securities are carried at fair value with gains and losses recognized in current period earnings. The purchase premiums for callable debt securities classified as HTM or AFS are amortized at a constant effective yield to the
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earliest call date. The purchase premiums and discounts for all other HTM and AFS securities are amortized and accreted at a constant effective yield to the contractual maturity date and no assumption is made concerning prepayments. As principal prepayments occur, the portion of the unamortized premium or discount associated with the principal reduction is recognized in interest income in the period the principal is reduced. Note 3 discusses the process to estimate fair value for investment securities.
December 31, 2019
(In millions)Amortized
cost
Gross
unrealized
gains
Gross
unrealized
losses
Estimated
fair value
Held-to-maturity
Municipal securities$592  $ $—  $597  
Available-for-sale
U.S. Treasury securities25  —  —  25  
U.S. Government agencies and corporations:
Agency securities1,301    1,302  
Agency guaranteed mortgage-backed securities9,518  83  42  9,559  
Small Business Administration loan-backed securities1,535   41  1,495  
Municipal securities1,282  37  —  1,319  
Other debt securities25  —  —  25  
Total available-for-sale13,686  126  87  13,725  
Total investment securities$14,278  $131  $87  $14,322  

December 31, 2018
(In millions)Amortized
cost
Gross
unrealized
gains
Gross
unrealized
losses
Estimated
fair value
Held-to-maturity
Municipal securities$774  $ $11  $767  
Available-for-sale
U.S. Treasury securities40  —  —  40  
U.S. Government agencies and corporations:
Agency securities1,394  —  19  1,375  
Agency guaranteed mortgage-backed securities10,236  18  240  10,014  
Small Business Administration loan-backed securities2,042   47  1,996  
Municipal securities1,303   16  1,291  
Other debt securities25  —   21  
Total available-for-sale15,040  23  326  14,737  
Total investment securities$15,814  $27  $337  $15,504  
Maturities
The amortized cost and estimated fair value of investment debt securities are shown subsequently as of December 31, 2019 by contractual maturity of principal payments. Actual principal payments may differ from contractual or expected principal payments because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.
Held-to-maturityAvailable-for-sale
(In millions)Amortized
cost
Estimated
fair value
Amortized
cost
Estimated
fair value
Due in one year or less$101  $102  $122  $122  
Due after one year through five years215  216  718  726  
Due after five years through ten years156  159  2,434  2,450  
Due after ten years120  120  10,412  10,427  
Total$592  $597  $13,686  $13,725  
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The following is a summary of the amount of gross unrealized losses for debt securities and the estimated fair value by length of time the securities have been in an unrealized loss position:
December 31, 2019
Less than 12 months12 months or moreTotal
(In millions)Gross
unrealized
losses
Estimated
fair value
Gross
unrealized
losses
Estimated
fair value
Gross
unrealized
losses
Estimated
fair value
Held-to-maturity
Municipal securities$—  $73  $—  $45  $—  $118  
Available-for-sale
U.S. Government agencies and corporations:
Agency securities 222   359   581  
Agency guaranteed mortgage-backed securities 1,173  38  3,215  42  4,388  
Small Business Administration loan-backed securities 172  40  1,215  41  1,387  
Municipal securities—  50  —   —  55  
Other—  —  —  —  —  —  
Total available-for-sale 1,617  80  4,794  87  6,411  
Total$ $1,690  $80  $4,839  $87  $6,529  

December 31, 2018
Less than 12 months12 months or moreTotal
(In millions)Gross
unrealized
losses
Estimated
fair
value
Gross
unrealized
losses
Estimated
fair
value
Gross
unrealized
losses
Estimated
fair
value
Held-to-maturity
Municipal securities$ $86  $10  $438  $11  $524  
Available-for-sale
U.S. Government agencies and corporations:
Agency securities 245  17  913  19  1,158  
Agency guaranteed mortgage-backed securities16  1,081  224  6,661  240  7,742  
Small Business Administration loan-backed securities19  1,180  28  711  47  1,891  
Municipal securities 266  14  641  16  907  
Other—  —   11   11  
Total available-for-sale39  2,772  287  8,937  326  11,709  
Total$40  $2,858  $297  $9,375  $337  $12,233  
At December 31, 2019 and 2018, respectively, 146 and 606 HTM and 849 and 2,588 AFS investment securities were in an unrealized loss position.
Other-Than-Temporary Impairment
Ongoing Policy
We review investment securities on a quarterly basis for the presence of OTTI. We assess whether OTTI is present when the fair value of a debt security is less than its amortized cost basis at the balance sheet date. When we do not expect to recover the entire amortized cost basis of a security then the decline in fair value is considered to be other-than-temporary. OTTI is considered to have occurred for debt securities in unrealized loss positions if we have formed a documented intent to sell identified securities or initiated such sales or it is “more likely than not” we will be required to sell the security before recovery of its amortized cost basis. In these scenarios the impairment loss is equal to the full difference between the amortized cost basis and the fair value of the securities. For debt securities in an unrealized loss position that we have the intent and ability to hold, the expected cash flows to be received from the securities are evaluated to determine if a credit loss exists. In the event of a credit loss, only the amount of the impairment associated with the credit loss is recognized in income. Unrealized losses relating to factors other than credit losses are recorded in OCI.
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Our OTTI evaluation process takes into consideration current market conditions; fair value in relationship to cost; extent and nature of change in fair value; severity and duration of the impairment; recent events specific to the issuer or industry; our assessment of the creditworthiness of the issuer, including external credit ratings, changes, recent downgrades, and trends; the cash flow priority position of the instrument that we hold in the case of structured securities; volatility of earnings and trends; current analysts’ evaluations; all available information relevant to the collectability of debt securities; and other key measures. In addition, for AFS securities with fair values below amortized cost, we must determine if we intend to sell the securities or if it is more likely than not that we will be required to sell the securities before recovery of their amortized cost basis. For HTM securities, we must determine we have the ability to hold the securities to maturity. We consider any other relevant factors before concluding our evaluation for the existence of OTTI in our securities portfolio.
Other-Than-Temporary Impairment Conclusions
The Bank did not recognize any OTTI on its investment securities portfolio during 2019 or 2018. Unrealized losses relate to changes in interest rates subsequent to purchase and are not attributable to credit. At December 31, 2019, we did not have an intent to sell identified securities with unrealized losses or initiate such sales, and we believe it is more likely than not we would be required to sell such securities before recovery of their amortized cost basis.
To determine the credit component of OTTI for all security types, we utilize projected cash flows. These cash flows are credit adjusted using, among other things, assumptions for default probability and loss severity. Certain other unobservable inputs such as prepayment rate assumptions are also utilized. In addition, certain internal models may be utilized. See Note 3 for further discussion. To determine the credit-related portion of OTTI in accordance with applicable accounting guidance, we use the security-specific effective interest rate when estimating the present value of cash flows.
Securities gains and losses recognized in income
The following summarizes gains and losses that were recognized in the statement of income:
201920182017
(In millions)Gross
gains
Gross
losses
Gross
gains
Gross
losses
Gross
gains
Gross
losses
Other noninterest-bearing investments$20  $17  $17  $16  $22  $ 
Net gains$ $ $14  
Interest income by security type is as follows:
(In millions)201920182017
TaxableNontaxableTotalTaxableNontaxableTotalTaxableNontaxableTotal
Investment securities:
Held-to-maturity$ $13  $22  $10  $14  $24  $10  $13  $23  
Available-for-sale308  25  333  295  26  321  277  24  301  
Trading      —    
Total$318  $44  $362  $306  $44  $350  $287  $39  $326  
Investment securities with a carrying value of approximately $2.0 billion and $2.6 billion at December 31, 2019 and 2018, respectively, were pledged to secure public and trust deposits, advances, and for other purposes as required by law. Securities are also pledged as collateral for security repurchase agreements.
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6. LOANS, LEASES, AND ALLOWANCE FOR CREDIT LOSSES
Loans, Leases, and Loans Held for Sale
Loans and leases are summarized as follows according to major portfolio segment and specific class:
December 31,
(In millions)20192018
Loans held for sale$129  $93  
Commercial:
Commercial and industrial$14,760  $14,513  
Leasing334  327  
Owner-occupied7,901  7,661  
Municipal2,393  1,661  
Total commercial25,388  24,162  
Commercial real estate:
Construction and land development2,211  2,186  
Term9,344  8,939  
Total commercial real estate11,555  11,125  
Consumer:
Home equity credit line2,917  2,937  
1-4 family residential7,568  7,176  
Construction and other consumer real estate624  643  
Bankcard and other revolving plans502  491  
Other155  180  
Total consumer11,766  11,427  
Total loans and leases 1
$48,709  $46,714  
1Loans and leases are presented net of unearned income, unamortized purchase premiums and discounts, and net deferred loan fees and costs totaling $48 million and $50 million at December 31, 2019 and December 31, 2018, respectively.
Municipal loans generally include loans to municipalities with the debt service being repaid from general funds or pledged revenues of the municipal entity, or to private commercial entities or 501(c)(3) not-for-profit entities utilizing a pass-through municipal entity to achieve favorable tax treatment.
Land development loans included in the construction and land development loan class were $158 million at December 31, 2019, and $237 million at December 31, 2018.
Loans with a carrying value of approximately $21.5 billion at December 31, 2019, and $22.6 billion at December 31, 2018, have been pledged at the Federal Reserve and the FHLB of Des Moines as collateral for current and potential borrowings.
We sold loans totaling $0.9 billion in 2019, $0.6 billion in 2018, and $0.9 billion in 2017, that were classified as loans held for sale. The sold loans were derecognized from the balance sheet. Loans classified as loans held for sale primarily consist of conforming residential mortgages and the guaranteed portion of SBA loans. The loans are mainly sold to U.S. government agencies or participated to third parties. At times, we have continuing involvement in the transferred loans in the form of servicing rights or a guarantee from the respective issuer. Amounts added to loans held for sale during these same periods were $0.9 billion, $0.8 billion, and $0.8 billion, respectively.
The principal balance of sold loans for which we retain servicing was approximately $1.7 billion at December 31, 2019, $2.2 billion at December 31, 2018, and $2.2 billion at December 31, 2017. Income from loans sold, excluding servicing, was $18 million in 2019, $12 million in 2018, and $13 million in 2017.
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Allowance for Credit Losses
The ACL consists of the ALLL and the RULC.
Allowance for Loan and Lease Losses
The ALLL represents our estimate of probable and estimable losses inherent in the loan and lease portfolio as of the balance sheet date. Losses are charged to the ALLL when recognized. Generally, commercial and industrial and commercial real estate (“CRE”) loans are charged off or charged down when they are determined to be uncollectible in whole or in part, or when 180 days past due, unless the loan is well secured and in process of collection. Consumer loans are either charged off or charged down to net realizable value no later than the month in which they become 180 days past due. Closed-end consumer loans that are not secured by residential real estate are either charged off or charged down to net realizable value no later than the month in which they become 120 days past due. We establish the amount of the ALLL by analyzing the portfolio at least quarterly, and we adjust the provision for loan losses so the ALLL is at an appropriate level at the balance sheet date.
We determine our ALLL as the best estimate within a range of estimated losses. The methodologies we use to estimate the ALLL depend upon the impairment status and loan portfolio. The methodology for impaired loans is discussed subsequently. For commercial and CRE loans with commitments greater than $1 million, we assign internal risk grades using a comprehensive loan grading system based on financial and statistical models, individual credit analysis, and loan officer experience and judgment. The credit quality indicators discussed subsequently are based on this grading system. Estimated losses for these commercial and CRE loans are derived from a statistical analysis of our historical default and loss given default (“LGD”) experience over the period of January 2008 through the most recent full quarter.
For consumer and small commercial and CRE loans with commitments less than or equal to $1 million, we primarily use roll rate models to forecast probable inherent losses. Roll rate models measure the rate at which these loans migrate from one delinquency category to the next worseworst delinquency category, and eventually to loss. We estimate roll rates for these loans using recent delinquency and loss experience by segmenting our loan portfolios into separate pools based on common risk characteristics and separately calculating historical delinquency and loss experience for each pool. These roll rates are then applied to current delinquency levels to estimate probable inherent losses.
The current status and historical changes in qualitative and environmental factors may not be reflected in our quantitative models. Thus, after applying historical loss experience, as described above, we review the
quantitatively derived level of ALLL for each segment using qualitative criteria, andthen use those criteria to determine
our qualitative estimate. We trackmonitor various risk factors that influence our judgment regarding the level of the
ALLL across the portfolio segments. These factors primarily include:
Changes in lending policies and procedures, including changes in underwriting standards and collection, charge-off, and recovery practices;
Changes in international, national, regional, and local economic and business conditions;
Changes in the nature and volume of the portfolio and in the terms of loans;
Changes in the experience, ability, and depth of lending management and other relevant staff;
Changes in the volume and severity of past due loans, the volume of nonaccrual loans, and the volume and severity of adversely classified or graded loans;
Changes in the quality of the loan review system;
Changes in the value of underlying collateral for collateral-dependent loans;
The existence and effect of any concentration of credit, and changes in the level of such concentrations;

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The effect of other external factors such as competition and legal and regulatory requirements;
The magnitude of the impact of these factors on our qualitative assessment of the ALLL changes from quarter to quarter according to changes made by management in its assessment of these factors, the extent these factors are
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already reflected in historichistorical loss rates, and the extent changes in these factors diverge from one to another. We also consider the uncertainty inherent in the estimation process when evaluating the ALLL.
Reserve for Unfunded Lending Commitments
We also estimate aThe RULC represents our estimated reserve for potential losses associated with off-balance sheet commitments, including standby letters of credit. We determineestimate the RULC using the same procedures and methodologies that we use for the ALLL. The loss factors and qualitative adjustments used in the RULC are the same as the loss factors used in the ALLL, and the qualitative adjustments used in the RULC are the same as the qualitative adjustments used in the ALLL. We adjust the Company’sBank’s unfunded lending commitments that are not unconditionally cancelable to an outstanding amount equivalent using credit conversion factors, and we apply the loss factors to the outstanding equivalents.
Changes in Allowance for Credit Losses Assumptions
During the first quarter of 2016, due to the consolidation of our separate banking charters, we enhanced our methodology to estimate the ACL on a company-wide basis. As described previously, for large commercial and CRE loans, we began estimating historic loss factors by separately calculating historic default and LGD rates, instead of directly calculating loss rates for groupings of probability of default and LGD grades using a loss migration approach. For small commercial and CRE loans, we began using roll rate models to estimate probable inherent losses. For consumer loans, we began pooling loans by current loan-to-value, where applicable. The impact of these changes was largely neutral to the total ACL at implementation.
Changes in the allowance for credit losses are summarized as follows:
December 31, 2019
(In millions)
 
CommercialCommercial
real estate
ConsumerTotal
Allowance for loan losses
Balance at beginning of year$331  $110  $54  $495  
Provision for loan losses42  (11)  37  
Gross loan and lease charge-offs57   17  78  
Recoveries25   10  41  
Net loan and lease charge-offs (recoveries)32  (2)  37  
Balance at end of year$341  $101  $53  $495  
Reserve for unfunded lending commitments
Balance at beginning of year$40  $17  $—  $57  
Provision for unfunded lending commitments(1)  —   
Balance at end of year$39  $20  $—  $59  
Total allowance for credit losses
Allowance for loan losses$341  $101  $53  $495  
Reserve for unfunded lending commitments39  20  —  59  
Total allowance for credit losses$380  $121  $53  $554  
December 31, 2017December 31, 2018
(In millions)
Commercial 
Commercial
real estate
 Consumer Total(In millions)CommercialCommercial
real estate
ConsumerTotal
Allowance for loan losses       Allowance for loan losses
Balance at beginning of year$420
 $116
 $31
 $567
Balance at beginning of year$371  $103  $44  $518  
Additions:       
Provision for loan losses23
 (18) 19
 24
Provision for loan losses(62)  20  (39) 
Deductions:       
Gross loan and lease charge-offs(118) (9) (17) (144)Gross loan and lease charge-offs46   18  69  
Recoveries46
 14
 11
 71
Recoveries68    85  
Net loan and lease (charge-offs) recoveries(72) 5
 (6) (73)
Net loan and lease charge-offs (recoveries)Net loan and lease charge-offs (recoveries)(22) (4) 10  (16) 
Balance at end of year$371
 $103
 $44
 $518
Balance at end of year$331  $110  $54  $495  
Reserve for unfunded lending commitments       Reserve for unfunded lending commitments
Balance at beginning of year$54
 $11
 $
 $65
Balance at beginning of year$48  $10  $—  $58  
Provision credited to earnings(6) (1) 
 (7)
Provision for unfunded lending commitmentsProvision for unfunded lending commitments(8)  —  (1) 
Balance at end of year$48
 $10
 $
 $58
Balance at end of year$40  $17  $—  $57  
Total allowance for credit losses       Total allowance for credit losses
Allowance for loan losses$371
 $103
 $44
 $518
Allowance for loan losses$331  $110  $54  $495  
Reserve for unfunded lending commitments48
 10
 
 58
Reserve for unfunded lending commitments40  17  —  57  
Total allowance for credit losses$419
 $113
 $44
 $576
Total allowance for credit losses$371  $127  $54  $552  

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 December 31, 2016
(In millions)Commercial 
Commercial
real estate
 Consumer Total
Allowance for loan losses       
Balance at beginning of year$454
 $114
 $38
 $606
Additions:       
Provision for loan losses93
 
 
 93
Deductions:       
Gross loan and lease charge-offs(170) (12) (16) (198)
Recoveries43
 14
 9
 66
Net loan and lease charge-offs(127) 2
 (7) (132)
Balance at end of year$420
 $116
 $31
 $567
Reserve for unfunded lending commitments       
Balance at beginning of year$58
 $16
 $1
 $75
Provision credited to earnings(4) (5) (1) (10)
Balance at end of year$54
 $11
 $
 $65
Total allowance for credit losses       
Allowance for loan losses$420

$116

$31

$567
Reserve for unfunded lending commitments54

11



65
Total allowance for credit losses$474
 $127
 $31
 $632
The ALLL and outstanding loan balances according to the Company’sBank’s impairment method are summarized as follows:
December 31, 2019
(In millions)CommercialCommercial
real estate
ConsumerTotal
Allowance for loan losses
Individually evaluated for impairment$ $ $ $11  
Collectively evaluated for impairment333  100  51  484  
Total$341  $101  $53  $495  
Outstanding loan balances
Individually evaluated for impairment$168  $30  $58  $256  
Collectively evaluated for impairment25,220  11,525  11,708  48,453  
Total$25,388  $11,555  $11,766  $48,709  
 December 31, 2017
(In millions)Commercial 
Commercial
real estate
 Consumer Total
Allowance for loan losses       
Individually evaluated for impairment$26
 $1
 $4
 $31
Collectively evaluated for impairment345
 102
 40
 487
Purchased loans with evidence of credit deterioration
 
 
 
Total$371
 $103
 $44
 $518
Outstanding loan balances       
Individually evaluated for impairment$314
 $69
 $76
 $459
Collectively evaluated for impairment22,598
 11,048
 10,648
 44,294
Purchased loans with evidence of credit deterioration14
 7
 6
 27
Total$22,926
 $11,124
 $10,730
 $44,780



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December 31, 2016December 31, 2018
(In millions)Commercial 
Commercial
real estate
 Consumer Total(In millions)CommercialCommercial
real estate
ConsumerTotal
Allowance for loan losses       Allowance for loan losses
Individually evaluated for impairment$56
 $3
 $6
 $65
Individually evaluated for impairment$ $ $ $ 
Collectively evaluated for impairment364
 113
 25
 502
Collectively evaluated for impairment325  109  52  486  
Purchased loans with evidence of credit deterioration
 
 
 
Total$420
 $116
 $31
 $567
Total$331  $110  $54  $495  
Outstanding loan balances       Outstanding loan balances
Individually evaluated for impairment$466
 $78
 $75
 $619
Individually evaluated for impairment$164  $55  $72  $291  
Collectively evaluated for impairment21,111
 11,231
 9,611
 41,953
Collectively evaluated for impairment23,998  11,070  11,355  46,423  
Purchased loans with evidence of credit deterioration38
 32
 7
 77
Total$21,615
 $11,341
 $9,693
 $42,649
Total$24,162  $11,125  $11,427  $46,714  
Nonaccrual and Past Due Loans
Loans are generally placed on nonaccrual status when payment in full of principal and interest is not expected, or the loan is 90 days or more past due as to principal or interest, unless the loan is both well secured and in the process of collection. Factors we consider in determining whether a loan is placed on nonaccrual include delinquency status, collateral-value, borrower or guarantor financial statement information, bankruptcy status, and other information whichthat would indicate that the full and timely collection of interest and principal is uncertain.
A nonaccrual loan may be returned to accrual status when all delinquent interest and principal become current in accordance with the terms of the loan agreement; the loan, if secured, is well secured; the borrower has paid according to the contractual terms for a minimum of six months; and analysis of the borrower indicates a reasonable assurance of the ability and willingness to maintain payments. Payments received on nonaccrual loans are applied as a reduction to the principal outstanding.
Closed-end loans with payments scheduled monthly are reported as past due when the borrower is in arrears for two2 or more monthly payments. Similarly, open-end creditcredits, such as charge-card plans and other revolving credit plans, are reported as past due when the minimum payment has not been made for two2 or more billing cycles. Other multi-payment obligations (i.e., quarterly, semiannual,semi-annual, etc.), single payment, and demand notes, are reported as past due when either principal or interest is due and unpaid for a period of 30 days or more.

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Nonaccrual loans are summarized as follows:
December 31,
(In millions)20192018
Loans held for sale$—  $ 
Commercial:
Commercial and industrial$110  $82  
Leasing—   
Owner-occupied65  67  
Municipal—   
Total commercial175  152  
Commercial real estate:
Construction and land development—  —  
Term16  38  
Total commercial real estate16  38  
Consumer:
Home equity credit line12  13  
1-4 family residential40  42  
Construction and other consumer real estate—  —  
Bankcard and other revolving plans—   
Other—  —  
Total consumer loans52  56  
Total$243  $246  
Past-due loans (accruing and nonaccruing) are summarized as follows:
December 31, 2019
(In millions)Current30-89 days
past due
90+ days
past due
Total
past due
Total
loans
Accruing
loans
90+ days
past due
Nonaccrual
loans
that are
current1
Loans held for sale$129  $—  $—  $—  $129  $—  $—  
Commercial:
Commercial and industrial$14,665  $57  $38  $95  $14,760  $ $54  
Leasing334  —  —  —  334   —  
Owner-occupied7,862  20  19  39  7,901  —  44  
Municipal2,393  —  —  —  2,393  —  —  
Total commercial25,254  77  57  134  25,388   98  
Commercial real estate:
Construction and land development2,206   —   2,211  —   
Term9,333    11  9,344  —  10  
Total commercial real estate11,539  13   16  11,555  —  11  
Consumer:
Home equity credit line2,908     2,917  —   
1-4 family residential7,532  12  24  36  7,568  —  13  
Construction and other consumer real estate624  —  —  —  624  —  —  
Bankcard and other revolving plans499     502   —  
Other154   —   155  —  —  
Total consumer loans11,717  21  28  49  11,766   20  
Total$48,510  $111  $88  $199  $48,709  $10  $129  
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Nonaccrual loans are summarized as follows:
 December 31,
(In millions)2017 2016
    
Loans held for sale$12
 $40
Commercial:   
Commercial and industrial$195
 $354
Leasing8
 14
Owner-occupied90
 74
Municipal1
 1
Total commercial294
 443
Commercial real estate:   
Construction and land development4
 7
Term36
 29
Total commercial real estate40
 36
Consumer:   
Home equity credit line13
 11
1-4 family residential55
 36
Construction and other consumer real estate
 2
Bankcard and other revolving plans
 1
Other
 
Total consumer loans68
 50
Total$402
 $529

Past due loans (accruing and nonaccruing) are summarized as follows:
 December 31, 2017
(In millions)Current 
30-89 days
past due
 
90+ days
past due
 
Total
past due
 
Total
loans
 
Accruing
loans
90+ days
past due
 
Nonaccrual
loans
that are
current1
              
Loans held for sale$44
 $
 $
 $
 $44
 $
 $12
Commercial:             
Commercial and industrial$13,887
 $60
 $56
 $116
 $14,003
 $13
 $146
Leasing363
 1
 
 1
 364
 
 8
Owner-occupied7,219
 29
 40
 69
 7,288
 4
 49
Municipal1,271
 
 
 
 1,271
 
 1
Total commercial22,740
 90
 96
 186
 22,926
 17
 204
Commercial real estate:             
Construction and land development2,014
 3
 4
 7
 2,021
 
 
Term9,079
 13
 11
 24
 9,103
 2
 25
Total commercial real estate11,093
 16
 15
 31
 11,124
 2
 25
Consumer:             
Home equity credit line2,763
 9
 5
 14
 2,777
 
 5
1-4 family residential6,621
 16
 25
 41
 6,662
 1
 27
Construction and other consumer real estate590
 6
 1
 7
 597
 1
 
Bankcard and other revolving plans506
 2
 1
 3
 509
 1
 
Other184
 1
 
 1
 185
 
 
Total consumer loans10,664
 34
 32
 66
 10,730
 3
 32
Total$44,497
 $140
 $143
 $283
 $44,780
 $22
 $261

ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES

December 31, 2018
(In millions)Current30-89 days
past due
90+ days
past due
Total
past due
Total
loans
Accruing
loans
90+ days
past due
Nonaccrual
loans
that are
current1
Loans held for sale$89  $—  $ $ $93  $—  $ 
Commercial:
Commercial and industrial$14,445  $37  $31  $68  $14,513  $ $46  
Leasing325     327  —   
Owner-occupied7,621  23  17  40  7,661   48  
Municipal1,661  —  —  —  1,661  —   
Total commercial24,052  61  49  110  24,162   96  
Commercial real estate:
Construction and land development2,185   —   2,186  —  —  
Term8,924   11  15  8,939   26  
Total commercial real estate11,109   11  16  11,125   26  
Consumer:
Home equity credit line2,927    10  2,937  —   
1-4 family residential7,143  15  18  33  7,176  —  19  
Construction and other consumer real estate642   —   643  —  —  
Bankcard and other revolving plans487     491   —  
Other179   —   180  —  —  
Total consumer loans11,378  23  26  49  11,427   23  
Total$46,539  $89  $86  $175  $46,714  $10  $145  
1Represents nonaccrual loans that are not past due more than 30 days; however, full payment of principal and interest is still not expected.
 December 31, 2016
(In millions)Current 
30-89 days
past due
 
90+ days
past due
 
Total
past due
 
Total
loans
 
Accruing
loans
90+ days
past due
 
Nonaccrual
loans
that are
current1
              
Loans held for sale$172
 $
 $
 $
 $172
 $
 $40
Commercial:             
Commercial and industrial$13,306
 $72
 $74
 $146
 $13,452
 $10
 $287
Leasing423
 
 
 
 423
 
 14
Owner-occupied6,894
 40
 28
 68
 6,962
 8
 43
Municipal778
 
 
 
 778
 
 1
Total commercial21,401
 112
 102
 214
 21,615
 18
 345
Commercial real estate:             
Construction and land development2,010
 7
 2
 9
 2,019
 1
 1
Term9,291
 9
 22
 31
 9,322
 12
 18
Total commercial real estate11,301
 16
 24
 40
 11,341
 13
 19
Consumer:             
Home equity credit line2,635
 4
 6
 10
 2,645
 1
 5
1-4 family residential5,857
 12
 22
 34
 5,891
 
 11
Construction and other consumer real estate479
 3
 4
 7
 486
 3
 
Bankcard and other revolving plans478
 2
 1
 3
 481
 1
 1
Other189
 1
 
 1
 190
 
 
Total consumer loans9,638
 22
 33
 55
 9,693
 5
 17
Total$42,340
 $150
 $159
 $309
 $42,649
 $36
 $381
1
Represents nonaccrual loans that are not past due more than 30 days; however, full payment of principal and interest is still not expected.
Credit Quality Indicators
In addition to the past duepast-due and nonaccrual criteria, we also analyze loans using loan risk gradingrisk-grading systems, which vary based on the size and type of credit risk exposure. The internal risk grades assigned to loans follow our definitions of Pass, Special Mention, Substandard, and Doubtful, which are consistent with published definitions of regulatory risk classifications.
Definitions of Pass, Special Mention, Substandard, and Doubtful are summarized as follows:
Pass – A Pass asset is higher quality and does not fit any of the other categories described below. The likelihood of loss is considered low.
Special Mention – A Special Mention asset has potential weaknesses that deserve management’s close attention. If left uncorrected, these potential weaknesses may result in deterioration of the repayment prospects for the asset or in the Bank’s credit position at some future date.
Substandard – A Substandard asset is inadequately protected by the current sound worth and paying capacity of the obligor or of the collateral pledged, if any. Assets so classified have well-defined weaknesses and are characterized by the distinct possibility that the Bank may sustain some loss if deficiencies are not corrected.
Doubtful – A Doubtful asset has all the weaknesses inherent in a Substandard asset with the added characteristics that the weaknesses make collection or liquidation in full highly questionable and improbable.
We generally assign internal risk grades to commercial and CRE loans with commitments greater than $1 million based on financial and statistical models, individual credit analysis, and loan officer experience and judgment. For these larger loans, we assign one of multiple grades within the Pass classification or one of the following four grades: Special Mention, Substandard, Doubtful, and Loss. Loss indicates that the outstanding balance has been


charged off. We confirm our internal risk grades quarterly, or as soon as we identify information that affects the credit risk of the loan.
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For consumer loans and certain small commercial and CRE loans with commitments less than or equal to $1 million, we generally assign internal risk grades similar to those described previously based on automated rules that depend on refreshed credit scores, payment performance, and other risk indicators. These are generally assigned either a Pass or Substandard grade and are reviewed as we identify information that might warrant a grade change.
Outstanding loan balances (accruing and nonaccruing) categorized by these credit quality classifications are summarized as follows:
December 31, 2019
(In millions)PassSpecial
mention
Sub-
standard
DoubtfulTotal
loans
Total
allowance
Commercial:
Commercial and industrial$13,950  $394  $416  $—  $14,760  
Leasing312  20   —  334  
Owner-occupied7,587  68  246  —  7,901  
Municipal2,390  —   —  2,393  
Total commercial24,239  482  667  —  25,388  $341  
Commercial real estate:
Construction and land development2,193  15   —  2,211  
Term9,234  42  68  —  9,344  
Total commercial real estate11,427  57  71  —  11,555  101  
Consumer:
Home equity credit line2,902  —  15  —  2,917  
1-4 family residential7,523  —  45  —  7,568  
Construction and other consumer real estate623  —   —  624  
Bankcard and other revolving plans498  —   —  502  
Other155  —  —  —  155  
Total consumer loans11,701  —  65  —  11,766  53  
Total$47,367  $539  $803  $—  $48,709  $495  
 December 31, 2017
(In millions)Pass 
Special
mention
 
Sub-
standard
 Doubtful 
Total
loans
 
Total
allowance
            
Commercial:           
Commercial and industrial$13,001
 $395
 $606
 $1
 $14,003
  
Leasing342
 6
 16
 
 364
  
Owner-occupied6,920
 93
 275
 
 7,288
  
Municipal1,257
 13
 1
 
 1,271
  
Total commercial21,520
 507
 898
 1
 22,926
 $371
Commercial real estate:           
Construction and land development2,002
 15
 4
 
 2,021
  
Term8,816
 138
 149
 
 9,103
  
Total commercial real estate10,818
 153
 153
 
 11,124
 103
Consumer:           
Home equity credit line2,759
 
 18
 
 2,777
  
1-4 family residential6,602
 
 60
 
 6,662
  
Construction and other consumer real estate596
 
 1
 
 597
  
Bankcard and other revolving plans507
 
 2
 
 509
  
Other185
 
 
 
 185
  
Total consumer loans10,649
 
 81
 
 10,730
 44
Total$42,987
 $660
 $1,132
 $1
 $44,780
 $518

December 31, 2018
(In millions)PassSpecial
mention
Sub-
standard
DoubtfulTotal
loans
Total
allowance
Commercial:
Commercial and industrial$13,891  $322  $300  $—  $14,513  
Leasing313  10   —  327  
Owner-occupied7,369  72  220  —  7,661  
Municipal1,632   27  —  1,661  
Total commercial23,205  406  551  —  24,162  $331  
Commercial real estate:
Construction and land development2,174  11   —  2,186  
Term8,853  10  76  —  8,939  
Total commercial real estate11,027  21  77  —  11,125  110  
Consumer:
Home equity credit line2,920  —  17  —  2,937  
1-4 family residential7,129  —  47  —  7,176  
Construction and other consumer real estate641  —   —  643  
Bankcard and other revolving plans488  —   —  491  
Other179  —   —  180  
Total consumer loans11,357  —  70  —  11,427  54  
Total$45,589  $427  $698  $—  $46,714  $495  

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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
 December 31, 2016
(In millions)Pass 
Special
mention
 
Sub-
standard
 Doubtful 
Total
loans
 
Total
allowance
            
Commercial:           
Commercial and industrial$12,185
 $266
 $998
 $3
 $13,452
  
Leasing387
 5
 30
 1
 423
  
Owner-occupied6,560
 96
 306
 
 6,962
  
Municipal765
 7
 6
 
 778
  
Total commercial19,897
 374
 1,340
 4
 21,615
 $420
Commercial real estate:           
Construction and land development1,942
 52
 25
 
 2,019
  
Term9,096
 82
 144
 
 9,322
  
Total commercial real estate11,038
 134
 169
 
 11,341
 116
Consumer:           
Home equity credit line2,629
 
 16
 
 2,645
  
1-4 family residential5,851
 
 40
 
 5,891
  
Construction and other consumer real estate482
 
 4
 
 486
  
Bankcard and other revolving plans478
 
 3
 
 481
  
Other189
 
 1
 
 190
  
Total consumer loans9,629
 
 64
 
 9,693
 31
Total$40,564
 $508
 $1,573
 $4
 $42,649
 $567
Impaired Loans
Loans are considered impaired when, based on current information and events, it is probable that we will be unable to collect all amounts due in accordance with the contractual terms of the loan agreement, including scheduled interest payments. For our non-purchased credit-impaired loans, ifIf a nonaccrual loan has a balance greater than $1 million, or if a loan is a TDR, including TDRs that subsequently default, or if the loan is no longer reported as a TDR, we individually evaluate the loan for impairment and estimate a specific reserve for the loan for all portfolio segments under applicable accounting guidance. Smaller nonaccrual loans are pooled for ALLL estimation purposes. PCI loans are included in impaired loans and are accounted for under separate accounting guidance. See subsequent discussion under Purchased Loans.
When a loan is impaired, we estimate a specific reserve for the loan based on the projected present value of the loan’s future cash flows discounted at the loan’s effective interest rate, the observable market price of the loan, or the fair value of the loan’s underlying collateral. The process of estimating future cash flows also incorporates the same determining factors discussed previously under nonaccrual loans. When we base the impairment amount on the fair value of the loan’s underlying collateral, we generally charge-off the portion of the balance that is impaired, such that these loans do not have a specific reserve in the ALLL. Payments received on impaired loans that are accruing are recognized in interest income, according to the contractual loan agreement. Payments received on impaired loans that are on nonaccrual are not recognized in interest income, but are applied as a reduction to the principal outstanding. The amount of interest income recognized on a cash basis during the time the loans were impaired within the years ended December 31, 20172019 and 20162018 was not significant.


Information on impaired loans individually evaluated is summarized as follows, including the average recorded investment and interest income recognized for the years ended December 31, 20172019 and 2016:2018:
December 31, 2019Year Ended
December 31, 2019
(In millions)
Unpaid
principal
balance
Recorded investmentTotal
recorded
investment
Related
allowance
Average
recorded
investment
Interest
income
recognized
with no
allowance
with
allowance
Commercial:
Commercial and industrial$132  $48  $56  $104  $ $103  $ 
Owner-occupied53  27  24  51   61   
Municipal—  —  —  —  —  —  —  
Total commercial185  75  80  155   164   
Commercial real estate:
Construction and land development—  —  —  —  —  —  —  
Term18  15   17  —  34  —  
Total commercial real estate18  15   17  —  34  —  
Consumer:
Home equity credit line14  10   13  —  15   
1-4 family residential52  26  18  44   56   
Construction and other consumer real estate—  —  —  —  —   —  
Other—  —  —  —  —   —  
Total consumer loans66  36  21  57   74   
Total$269  $126  $103  $229  $10  $272  $ 
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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
December 31, 2017 Year Ended
December 31, 2017
December 31, 2018Year Ended
December 31, 2018
(In millions)

Unpaid
principal
balance
 Recorded investment 
Total
recorded
investment
 
Related
allowance
 
Average
recorded
investment
 Interest
income
recognized
(In millions)
Unpaid
principal
balance
Recorded investmentTotal
recorded
investment
Related
allowance
Average
recorded
investment
Interest
income
recognized
with no
allowance
 
with
allowance
 with no
allowance
with
allowance
Commercial:             Commercial:
Commercial and industrial$293
 $80
 $142
 $222
 $24
 $289
 $6
Commercial and industrial$112  $52  $36  $88  $ $83  $—  
Owner-occupied120
 79
 23
 102
 2
 97
 6
Owner-occupied67  31  29  60   47   
Municipal1
 1
 
 1
 
 1
 
Municipal  —   —   —  
Total commercial414
 160
 165
 325
 26
 387
 12
Total commercial180  84  65  149   131   
Commercial real estate:             Commercial real estate:
Construction and land development8
 4
 2
 6
 
 8
 
Construction and land development —  —  —  —   —  
Term56
 36
 12
 48
 
 49
 12
Term44  37   40  —  41   
Total commercial real estate64
 40
 14
 54
 
 57
 12
Total commercial real estate45  37   40  —  42   
Consumer:             Consumer:
Home equity credit line25
 13
 9
 22
 
 21
 1
Home equity credit line15  12   14  —  13  —  
1-4 family residential67
 28
 29
 57
 4
 52
 1
1-4 family residential69  32  25  57   51  —  
Construction and other consumer real estate2
 1
 1
 2
 
 2
 
Construction and other consumer real estate  —   —   —  
Other1
 1
 
 1
 
 1
 1
Other—  —  —  —  —  —  —  
Total consumer loans95
 43
 39
 82
 4
 76
 3
Total consumer loans85  45  27  72   65  —  
Total$573
 $243
 $218
 $461
 $30
 $520
 $27
Total$310  $166  $95  $261  $ $238  $ 
 December 31, 2016 Year Ended
December 31, 2016
(In millions)

Unpaid
principal
balance
 Recorded investment 
Total
recorded
investment
 
Related
allowance
 
Average
recorded
investment
 Interest
income
recognized
with no
allowance
 
with
allowance
 
Commercial:             
Commercial and industrial$470
 $82
 $311
 $393
 $52
 $333
 $5
Owner-occupied115
 71
 30
 101
 3
 99
 9
Municipal1
 1
 
 1
 
 1
 
Total commercial586
 154
 341
 495
 55
 433
 14
Commercial real estate:             
Construction and land development22
 7
 6
 13
 
 11
 2
Term92
 53
 17
 70
 2
 76
 13
Total commercial real estate114
 60
 23
 83
 2
 87
 15
Consumer:             
Home equity credit line24
 16
 7
 23
 
 22
 1
1-4 family residential59
 27
 28
 55
 6
 57
 2
Construction and other consumer real estate3
 1
 2
 3
 
 2
 
Other2
 1
 
 1
 
 2
 
Total consumer loans88
 45
 37
 82
 6
 83
 3
Total$788
 $259
 $401
 $660
 $63
 $603
 $32

Modified and Restructured Loans
Loans may be modified in the normal course of business for competitive reasons or to strengthen the Company’sBank’s position. Loan modifications and restructurings may also occur when the borrower experiences financial difficulty and needs temporary or permanent relief from the original contractual terms of the loan. Loans that have been

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modified to accommodate a borrower who is experiencing financial difficulties, and for which the CompanyBank has granted a concession that it would not otherwise consider, are considered troubled debt restructurings (“TDRs”).TDRs.
We consider many factors in determining whether to agree to a loan modification involving concessions, and we seek a solution that will both minimize potential loss to the CompanyBank and attempt to help the borrower. We evaluate borrowers’ current and forecasted future cash flows, their ability and willingness to make current contractual or proposed modified payments, the value of the underlying collateral (if applicable), the possibility of obtaining additional security or guarantees, and the potential costs related to a repossession or foreclosure and the subsequent sale of the collateral.
TDRs are classified as either accrual or nonaccrual loans. A loan on nonaccrual and restructured as a TDR will remain on nonaccrual status until the borrower has proven the ability to perform under the modified structure for a minimum of six6 months, and there is evidence that such payments can and are likely to continue as agreed. Performance prior to the restructuring, or significant events that coincide with the restructuring, are included in assessing whether the borrower can meet the new terms and may result in the loan being returned to accrual at the time of restructuring or after a shorter performance period. If the borrower’s ability to meet the revised payment schedule is uncertain, the loan remains classified as a nonaccrual loan. A TDR loan that specifies an interest rate that at the time of the restructuring is greater than or equal to the rate the Bank is willing to accept for a new loan with comparable risk may not be reported as a TDR or an impaired loan in the calendar years subsequent to the restructuring if it is in compliance with its modified terms.

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Selected information on TDRs at year-end that includes the recorded investment on an accruing and nonaccruing basis by loan class and modification type is summarized in the following schedules:
December 31, 2019
Recorded investment resulting from the following modification types: 
Interest
rate below
market
Maturity
or term
extension
Principal
forgiveness
Payment
deferral
Other1
Multiple
modification
types2
Total
Accruing
Commercial:
Commercial and industrial$ $ $—  $—  $ $ $16  
Owner-occupied  —  —    15  
Total commercial  —  —  12  12  31  
Commercial real estate:
Construction and land development—  —  —  —  —  —  —  
Term —  —   —    
Total commercial real estate —  —   —    
Consumer:
Home equity credit line—    —  —   11  
1-4 family residential   —   22  29  
Construction and other consumer real estate—   —  —  —  —   
Total consumer loans  11  —   24  41  
Total accruing$ $ $11  $ $13  $39  $78  
Nonaccruing
Commercial:
Commercial and industrial$—  $ $—  $20  $ $22  $50  
Owner-occupied —  —  —    10  
Municipal—  —  —  —  —  —  —  
Total commercial  —  20   26  60  
Commercial real estate:
Construction and land development—  —  —  —  —  —  —  
Term —  —  —     
Total commercial real estate —  —  —     
Consumer:
Home equity credit line—  —   —  —  —   
1-4 family residential—  —   —     
Construction and other consumer real estate—  —  —  —  —  —  —  
Total consumer loans—  —   —     
Total nonaccruing   20   33  75  
Total$13  $11  $14  $21  $22  $72  $153  
1Includes TDRs that resulted from other modification types including, but not limited to, a legal judgment awarded on different terms, a bankruptcy plan confirmed on different terms, a settlement that includes the delivery of collateral in exchange for debt reduction, etc.
2Includes TDRs that resulted from a combination of any of the previous modification types.
115
 December 31, 2017
 Recorded investment resulting from the following modification types:  
(In millions)

Interest
rate below
market
 
Maturity
or term
extension
 
Principal
forgiveness
 
Payment
deferral
 
Other1
 
Multiple
modification
types2
 Total
Accruing             
Commercial:             
Commercial and industrial$
 $2
 $
 $
 $12
 $33
 $47
Owner-occupied1
 1
 
 
 7
 14
 23
Total commercial1
 3
 
 
 19
 47
 70
Commercial real estate:             
Construction and land development
 
 
 
 
 2
 2
Term6
 
 
 1
 
 7
 14
Total commercial real estate6
 
 
 1
 
 9
 16
Consumer:             
Home equity credit line
 2
 9
 
 1
 3
 15
1-4 family residential1
 
 6
 1
 2
 26
 36
Construction and other consumer real estate
 1
 
 
 
 1
 2
Total consumer loans1
 3
 15
 1
 3
 30
 53
Total accruing8
 6
 15
 2
 22
 86
 139
Nonaccruing             
Commercial:             
Commercial and industrial
 3
 5
 2
 28
 24
 62
Owner-occupied1
 2
 
 1
 1
 5
 10
Municipal
 1
 
 
 
 
 1
Total commercial1
 6
 5
 3
 29
 29
 73
Commercial real estate:             
Construction and land development
 
 
 
 
 
 
Term2
 
 
 
 
 3
 5
Total commercial real estate2
 
 
 
 
 3
 5
Consumer:             
Home equity credit line
 
 1
 
 
 
 1
1-4 family residential
 
 2
 
 1
 5
 8
Construction and other consumer real estate
 
 
 
 
 
 
Total consumer loans
 
 3
 
 1
 5
 9
Total nonaccruing3
 6
 8
 3
 30
 37
 87
Total$11
 $12
 $23
 $5
 $52
 $123
 $226
1
Includes TDRs that resulted from other modification types including, but not limited to, a legal judgment awarded on different terms, a bankruptcy plan confirmed on different terms, a settlement that includes the delivery of collateral in exchange for debt reduction, etc.
2
Includes TDRs that resulted from a combination of any of the previous modification types.



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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES

December 31, 2018
Recorded investment resulting from the following modification types: 
(In millions)
Interest
rate below
market
Maturity
or term
extension
Principal
forgiveness
Payment
deferral
Other1
Multiple
modification
types2
Total
Accruing
Commercial:
Commercial and industrial$ $ $—  $—  $15  $ $28  
Owner-occupied  —  —   14  21  
Total commercial  —  —  17  21  49  
Commercial real estate:
Construction and land development—  —  —  —  —  —  —  
Term  —   —   11  
Total commercial real estate  —   —   11  
Consumer:
Home equity credit line—    —  —   12  
1-4 family residential     28  39  
Construction and other consumer real estate—  —  —  —  —    
Total consumer loans  14    32  52  
Total accruing$ $11  $14  $ $18  $59  $112  
Nonaccruing
Commercial:
Commercial and industrial$ $ $—  $ $10  $27  $45  
Owner-occupied —  —     14  
Municipal—  —  —  —  —    
Total commercial  —   12  33  60  
Commercial real estate:
Construction and land development—  —  —  —  —  —  —  
Term —  —   14   20  
Total commercial real estate —  —   14   20  
Consumer:
Home equity credit line—  —   —  —  —   
1-4 family residential—  —   —     
Construction and other consumer real estate—  —  —  —  —  —  —  
Total consumer loans—  —   —    10  
Total nonaccruing10     27  41  90  
Total$18  $17  $16  $ $45  $100  $202  
1Includes TDRs that resulted from other modification types including, but not limited to, a legal judgment awarded on different terms, a bankruptcy plan confirmed on different terms, a settlement that includes the delivery of collateral in exchange for debt reduction, etc.
 December 31, 2016
 Recorded investment resulting from the following modification types:  
(In millions)

Interest
rate below
market
 
Maturity
or term
extension
 
Principal
forgiveness
 
Payment
deferral
 
Other1
 
Multiple
modification
types2
 Total
Accruing             
Commercial:             
Commercial and industrial$
 $19
 $
 $
 $
 $28
 $47
Owner-occupied3
 
 1
 
 8
 10
 22
Total commercial3
 19
 1
 
 8
 38
 69
Commercial real estate:             
Construction and land development
 4
 
 
 
 4
 8
Term4
 
 
 1
 2
 10
 17
Total commercial real estate4
 4
 
 1
 2
 14
 25
Consumer:             
Home equity credit line
 1
 10
 
 
 3
 14
1-4 family residential3
 1
 6
 
 2
 30
 42
Construction and other consumer real estate
 
 
 
 
 1
 1
Total consumer loans3
 2
 16
 
 2
 34
 57
Total accruing10
 25
 17
 1
 12
 86
 151
Nonaccruing             
Commercial:             
Commercial and industrial1
 
 
 1
 33
 25
 60
Owner-occupied
 1
 
 3
 1
 12
 17
Municipal
 1
 
 
 
 
 1
Total commercial1
 2
 
 4
 34
 37
 78
Commercial real estate:             
Construction and land development
 
 
 
 2
 
 2
Term2
 1
 
 
 2
 3
 8
Total commercial real estate2
 1
 
 
 4
 3
 10
Consumer:             
Home equity credit line
 
 1
 
 
 1
 2
1-4 family residential
 
 2
 
 1
 5
 8
Construction and other consumer real estate
 
 
 2
 
 
 2
Total consumer loans
 
 3
 2
 1
 6
 12
Total nonaccruing3
 3
 3
 6
 39
 46
 100
Total$13
 $28
 $20
 $7
 $51
 $132
 $251
2Includes TDRs that resulted from a combination of any of the previous modification types.
1
Includes TDRs that resulted from other modification types including, but not limited to, a legal judgment awarded on different terms, a bankruptcy plan confirmed on different terms, a settlement that includes the delivery of collateral in exchange for debt reduction, etc.
2
Includes TDRs that resulted from a combination of any of the previous modification types.
Unfunded lending commitments on TDRs amounted to approximately $22 million at December 31, 2017 and $14$5 million at December 31, 2016.2019, and $11 million at December 31, 2018.
The total recorded investment of all TDRs in which interest rates were modified below market was $120$73 million at December 31, 20172019, and $128$88 million at December 31, 2016, 2018, respectively. These loans are included in the previous schedule in the columns for interest rate below market and multiple modification types.

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The net financial impact on interest income due to interest rate modifications below market for accruing TDRs is summarized in the following schedule:
(In millions)20192018
Consumer:
1-4 family residential$—  $(1) 
Total consumer loans—  (1) 
Total decrease to interest income 1
$—  $(1) 
(In millions)2017 2016
Consumer:   
1-4 family residential$(1) $(1)
Total consumer loans(1) (1)
Total decrease to interest income 1
$(1) $(1)
1Calculated based on the difference between the modified rate and the premodified rate applied to the recorded investment.
1
Calculated based on the difference between the modified rate and the premodified rate applied to the recorded investment.
On an ongoing basis, we monitor the performance of all TDRs according to their restructured terms. Subsequent payment default is defined in terms of delinquency, when principal or interest payments are past due 90 days or more for commercial loans, or 60 days or more for consumer loans.
The recorded investment of accruing and nonaccruing TDRs that had a payment default during the period listed below (and are still in default at year-end) and are within 12 months or less of being modified as TDRs is as follows:
(In millions)December 31, 2019December 31, 2018
AccruingNonaccruingTotalAccruingNonaccruingTotal
Commercial:
Commercial and industrial$—  $—  $—  $—  $ $ 
Owner-occupied—    —    
Total commercial—    —    
Commercial real estate:
Term—  —  —  —    
Total commercial real estate—  —  —  —    
Total$—  $ $ $—  $ $ 
(In millions)December 31, 2017 December 31, 2016
Accruing Nonaccruing Total Accruing Nonaccruing Total
Commercial:           
Commercial and industrial$1
 $3
 $4
 $
 $
 $
Owner-occupied
 1
 1
 
 1
 1
Total commercial1
 4
 5
 
 1
 1
Consumer:           
Construction and other consumer real estate
 
 
 
 2
 2
Total consumer loans
 
 
 
 2
 2
Total$1
 $4
 $5
 $
 $3
 $3
Note: Total loans modified as TDRs during the 12 months previous to December 31, 20172019 and 20162018 were $94$40 million and $73$105 million, respectively.
At December 31, 20172019 and December 31, 2016,2018, the amount of foreclosed residential real estate property held by the CompanyBank was less than $1 million and $2 million, and therespectively. The recorded investment in consumer mortgage loans collateralized by residential real estate property that are in the process of foreclosure was approximately$8 million and $10 million for boththe same periods, respectively.
Concentrations of Credit Risk
Credit risk is the possibility of loss from the failure of a borrower, guarantor, or another obligor to fully perform under the terms of a credit-related contract. Credit risks (whether on- or off-balance sheet) may occur when individual borrowers, groups of borrowers, or counterparties have similar economic characteristics, including industries, geographies, collateral types, sponsors, etc., and are similarly affected by changes in economic or other conditions. Credit risk also includes the loss that would be recognized subsequent to the reporting date if counterparties failed to perform as contracted. See Note 7 for a discussion of counterparty risk associated with the Company’sBank’s derivative transactions.
We perform an ongoing analysis of our loan portfolio to evaluate whether there is any significant exposure to any concentrations of credit risk. Based on this analysis, we believe that the loan portfolio is generally well diversified; however, there are certain significant concentrations in CRE and oil and gas-related lending. Further, we cannot guarantee that we have fully understood or mitigated all risk concentrations or correlated risks. We have adopted and adhere to concentration limits on various types of CRE lending, particularly construction and land development lending, leveraged and enterprise value lending, municipal lending, and oil and gas-related lending. All of these limits are continually monitored and revised as necessary.

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7. DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES
Purchased LoansObjectives
BackgroundThe Bank maintains an overall interest rate risk management strategy that actively incorporates the use of interest rate derivatives that include unleveraged interest rate swaps, purchased options, combinations of options, and Accounting
We purchase loansmay include futures and other forward interest rate contracts. The Bank’s objective for using derivatives is to manage risks, primarily interest rate risk. The Bank uses derivatives to manage volatility in the ordinary course of business and account for them and the related interest income, based on their performing status at the time of acquisition. PCI loans have evidence of credit deterioration at the time of acquisitioninterest expense, earnings, and it is probable that not all contractual payments will be collected. Interest income for PCI loans is accounted for on an expected cash flow basis. Upon acquisition, in accordance with applicable accounting guidance, the acquired loans were recorded at their fair value without a corresponding ALLL. Certain acquired loans with similar characteristics such as risk exposure, type, size, etc., are grouped and accounted for in loan pools.
During 2009, CB&T and NSB acquired failed bank assets from the FDIC as receiver and entered into loss sharing
agreements (“LSAs”) with the FDIC for the acquired loans and foreclosed assets. Accordingcapital by adjusting our interest rate sensitivity to the agreements, the FDIC assumes 80% of credit losses of non-single family residential loans up to a threshold specified for each acquisition, and 95% above that threshold for five years. The agreements expire after ten years, or in 2019, for single family residential loans. Subsequent to December 31, 2017, we entered into agreements with the FDIC to early-terminate the LSAs, mainly because carrying values of the acquired loans have significantly declined, and the loans have performed better than originally expected. Future losses on these loans are expected to be insignificant.
Outstanding Balances and Accretable Yield
The outstanding balances of all required payments and the related carrying amounts for PCI loans are as follows:
 December 31,
(In millions) 
2017 2016
    
Commercial$25
 $49
Commercial real estate9
 51
Consumer7
 9
Outstanding balance$41
 $109
Carrying amount$27
 $77
Less ALLL
 1
Carrying amount, net$27
 $76
At the time of acquisition of PCI loans, we determine the loan’s contractually required payments in excess of all cash flows expected to be collected as an amount that should not be accreted (nonaccretable difference). With respect to the cash flows expected to be collected, the portion representing the excess of the loan’s expected cash flows over our initial investment (accretable yield) is accreted into interest income on a level yield basis over the remaining expected life of the loan or pool of loans. The effects of estimated prepayments are considered in estimating the expected cash flows.
Certain PCI loans are not accounted for as previously described because the estimation of cash flows to be collected involves a high degree of uncertainty. Under these circumstances, the accounting guidance provides that interest income is recognized on a cash basis similar to the cost recovery methodology for nonaccrual loans. The net carrying amounts in the preceding schedule also include the amounts for these loans. There were no loans of this type at December 31, 2017 and December 31, 2016.


Changes in the accretable yield for PCI loans were as follows: 
(In millions)2017 2016
    
Balance at beginning of year$33
 $40
Accretion(20) (24)
Reclassification from nonaccretable difference
 11
Disposals and other1
 6
Balance at end of year$14
 $33
Note: Amounts have been adjusted based on refinements to the original estimates of the accretable yield.
The primary drivers of reclassification to accretable yield from nonaccretable difference and increases in disposals and other resulted primarily from (1) changes in estimated cash flows, (2) unexpected payments on nonaccrual loans, and (3) recoveries on zero balance loans pools. See subsequent discussion under changes in cash flow estimates.
Allowance for Loan and Lease Losses Determination
For all acquired loans, the ALLL is only established for credit deterioration subsequent to the date of acquisition and represents our estimate of the inherent losses in excess of the book value of acquired loans. The ALLL for acquired loans is included in the overall ALLL in the balance sheet.
During 2017, 2016 and 2015, we adjusted the ALLL for acquired loans by recording a provision for loan losses of less than $1 million in each period. The provision is net of the ALLL reversals resulting from changes in cash flow estimates, which are discussed subsequently.
Changes in the provision for loan losses and related ALLL are driven in large part by the same factors that affect the changes in reclassification from nonaccretable difference to accretable yield, as discussed under changes in cash flow estimates.
Changes in Cash Flow Estimates
Over the life of the loan or loan pool, we continue to estimate cash flows expected to be collected. We evaluate quarterly at the balance sheet date whether the estimated present values of these loans using the effective interest rates have decreased below their carrying values. If so, we record a provision for loan losses.
For increases in carrying values that resulted from better than expected cash flows, we use such increases first to reverse any existing ALLL. During 2017, 2016, and 2015, total reversals to the ALLL, includingminimize the impact of increases in estimated cash flows, were less than $1 million in 2017, $2 million in 2016, and $4 million in 2015. When there is no current ALLL, we increase the amount of accretable yield on a prospective basis over the remaining life of the loan and recognize this increasefluctuations in interest income.
The impact of increased cash flow estimates recognized in the statement of income for acquired loans with no ALLL was approximately $18 million in 2017, $19 million in 2016,rates. Derivatives are used to stabilize forecasted interest receipts from variable-rate assets and $32 million in 2015, of additional interest income.
7.DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES
Objectives
Our objectives in using derivatives are to add stability to interest income or expense, to modify the coupon or the duration of specificfixed-rate financial assets or liabilities as we consider advisable,advisable.
We also provide certain borrowers access to over-the-counter interest rate derivatives by selling interest rate derivatives to our customers, which we generally offset with interest rate derivatives executed with other dealers or central clearing houses. The Bank also provides commercial clients with short-term foreign currency spot trades or forward contracts with a maturity of, generally, 90 days or less that are also largely offset by foreign currency trades with closely mirroring terms executed with other dealer counterparties or central clearing houses.
When we use derivatives as hedges, either for economic or accounting purposes, it is done only to manage exposure to interest rate movements or other identified risks, and/or to directly offset derivatives sold to our customers.risks. We apply hedge accounting to certain derivatives executed for risk management purposes as subsequently described in more detail subsequently.detail. However, we do not apply hedge accounting to all of the derivatives involved in our risk management activities. Derivatives not designated as accounting hedges are not speculative and are used to economically manage our exposure to interest rate movements, and other identified risks, butincluding offsetting customer-facing derivatives. These derivatives either do not require the use of hedge accounting for their economic impact to be accurately reflected in our financial statements or they do not meet the strict hedge accounting requirements.


Accounting
We record all derivatives on the balance sheetConsolidated Balance Sheet at fair value.value in Other Assets or Other Liabilities regardless of the accounting designation of each derivative. The Bank enters into International Swaps and Derivatives Association, Inc. (ISDA) master netting agreements, or similar agreements, with substantially all derivative counterparties. See Note 4, “Offsetting Assets and Liabilities” for more information. Where legally enforceable, these master netting agreements give the Bank, in the event of default or the triggering of other specified contingent events by the counterparty, the right to use cash or liquidate securities held as collateral and to offset receivables and payables with the same counterparty. For purposes of the Consolidated Balance Sheet, the Bank does not offset derivative assets and liabilities and cash collateral held with the same counterparty where it has a legally enforceable master netting agreement and reports all derivatives on a gross fair value basis. Note 3 discusses the process to estimate fair value for derivatives. The accounting for changes in the fair value of derivatives depends on the intended use of the derivative and the resulting accounting designation. Derivatives used to hedge the exposure to changes in the fair value of an asset, liability,assets, liabilities, or firm commitmentcommitments attributable to a particular risk, such as interest rate risk,rates or other eligible risks, are considered fair value hedges. Derivatives used to hedge the exposure to variability in expected future cash flows, or other types of forecasted transactions, are considered cash flow hedges. Changes in the fair value of derivatives that are not part of designated fair value or cash flow hedging relationships are recorded in current period earnings.
Fair Value Hedges - For derivatives designated as fair value hedges, changes in the fair value of the derivative are recognized in earnings together with changesthe change in the fair value of the related hedged item.item due to the risk being hedged. The net amount, if any, representing hedge ineffectiveness,Bank reports the earnings effect of the hedging instrument in the same Consolidated Income Statement line item in which the earnings effect of the hedged item is reflected in earnings. In previous years, we usedreported, generally interest income or expense for hedges of interest rate risk of an interest-bearing financial asset or liability. The amounts from the derivative and hedged item for active fair value hedges to manageand the location where they are recorded are detailed in the schedules below.
As of December 31, 2019, the Bank had an aggregate notional amount of $1.5 billion of interest rate exposureswaps designated in qualifying fair value hedge relationships. The hedging instruments used are receive-fixed interest rate swaps converting the interest on our fixed-rate debt to certain long-term debt.floating. These hedges have beenare designated as fair values hedges of
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the change in fair value of the LIBOR benchmark swap rate component of the contractual coupon cash flows of our fixed-rate debt. The swaps are structured to match the critical terms of the hedged notes, resulting in the expectation that the swaps will be highly effective as hedging instruments. All interest rate swaps designated as fair value hedges were highly effective and met all other requirements to remain designated and part of qualifying hedge accounting relationships as of the balance sheet date. The Bank has no remaining debt basis adjustments from previously designated fair value hedges, as such, there is no scheduled amortization for previously terminated and their remaining balances were completely amortized into earnings during 2015.fair value hedges that will impact the Bank’s financial statements for the foreseeable future.
Cash flow hedges - For derivatives designated and qualifying as cash flow hedges, ineffectiveness is not measured or separately disclosed. Rather, as long as the effective portion of changeshedging relationship continues to qualify for hedge accounting, the entire change in the fair value of the derivative are recordedhedging instrument is deferred in OCI and recognized in earnings whenuntil the hedged transaction affects earnings. The ineffective portion of changesearnings, at which point amounts deferred in OCI are reclassified to earnings and reported in the fair valuesame income statement line item used to present the earnings effect of cash flow hedges is recognized directly in earnings.the hedged item or forecasted transactions. We may use interest rate swaps, as partoptions, or a combination of options in our cash flow hedging strategy to hedgeeliminate or reduce the variable cash flows associated primarily with designatedinterest receipts on floating-rate commercial loans. Theseloans due to changes in any separately identifiable and reliably measurable contractual interest rate swap agreementsindex.
As of December 31, 2019, the Bank had receive-fixed interest rate swaps with an aggregate notional amount of $3.6 billion designated as cash flow hedges involve the receipt of fixed-rate amounts in exchange for variable-rate payments over the life of the agreements without exchangevariability of interest receipts on floating-rate commercial loans due to changes in the underlyingLIBOR swap rate. During 2019, the Bank purchased interest rate floors with an aggregate notional amount.
During 2016 we closed our branch in Grand Cayman, Grand Cayman Islands B.W.I. and no longer have foreign operations. No derivativesamount of $7 billion that were designated as cash flow hedges of investmentsfloating rate commercial loans. Prior to year-end 2019, the purchased floors were terminated and replaced with receive-fixed interest rate swaps with a total notional amount of $2 billion. As of December 31, 2019, the Bank had gains deferred in foreign operations during 2017.OCI of $18.4 million from active receive-fixed interest rate swaps designated as cash flow hedges and $23.5 million from the terminated interest rate floors. Amounts deferred in OCI from cash flow hedges are expected to be fully reclassified to interest income by the second quarter of 2024.
Hedge effectiveness - We assess the effectiveness of each hedging relationship by comparing the changes in fair value or cash flows on the derivative hedging instrument with the changes in fair value or cash flows on the designated hedged item or transaction. For derivatives not designated astransactions for the risk being hedged. If a hedging relationship ceases to qualify for hedge accounting, hedges,the relationship is discontinued and future changes in the fair value of the derivative instrument are recognized in current period earnings. TheFor a discontinued or terminated fair value hedging relationship, all remaining balancesbasis adjustments to the carrying amount of any derivative instruments terminated prior to maturity, including amounts in AOCI for cash flow hedges,the hedged item are accreted or amortized to interest income or expense over the period to their previously stated maturity dates. Amountsremaining life of the hedged item consistent with the amortization of other discounts or premiums. Previous balances deferred in AOCI from discontinued or terminated cash flow hedges are reclassified to interest income or expense as interest is earned on related variable-rate loans and as amounts for terminated hedges are accretedthe hedged transactions affect earnings or amortized to earnings.over the originally specified term of the hedging relationship.
Collateral and Credit Risk
Exposure to credit risk arises from the possibility of nonperformance by counterparties. No significant losses on derivative instruments have occurred as a result of counterparty nonperformance. Financial institutions which are well-capitalized and well-established are the counterparties for those derivatives entered into for asset-liability management and used to offset derivatives sold to our customers. The CompanyBank reduces its counterparty exposure for derivative contracts by centrally clearing all eligible derivatives.
For those derivatives that are not centrally cleared, the counterparties are typically financial institutions or customers of the Company.Bank. For those that are financial institutions, as noted above, we manage our credit exposure through the use of a Credit Support Annex (“CSA”) to International Swaps and Derivative Associationan ISDA master agreements.agreement with each counterparty. Eligible collateral types are documented by the CSA and controlled under the Company’sBank’s general credit policies. Collateral balances are typically monitored on a daily basis. A valuation haircut policy reflects the fact that collateral may fall in value between the date the collateral is called and the date of liquidation or enforcement. In practice, all of the Company’sBank’s collateral held as credit risk mitigation under a CSA is cash.
We offer interest rate swaps to our customers to assist them in managing their exposure to changingchanging interest rates. Upon issuance, all of these customer swaps are immediately offset through closely matching derivative contracts,
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such that the CompanyBank minimizes its interest rate risk exposure resulting from such transactions. Most of these customers do not have the capability for centralized clearing. Therefore, we manage the credit risk through loan underwriting whichthat includes a credit risk exposure formula for the swap, the same collateral and guarantee protection applicable


to the loan and credit approvals, limits, and monitoring procedures. Fee income from customer swaps is included in other service charges, commissions and fees. No significant losses on derivative instruments have occurred as a result of counterparty nonperformance. Nevertheless, the related credit risk is considered and measured when and where appropriate. See Notes 6 and 1516 for further discussion of our underwriting, collateral requirements, and other procedures used to address credit risk.
Our noncustomer facing derivative contracts generally require us to pledge collateral for derivatives that are in a net liability position at a given balance sheet date.position. Certain of these derivative contracts contain credit-risk-related contingent features that include the requirement to maintain a minimum debt credit rating. We may be required to pledge additional collateral if a credit-risk-related feature were triggered, such as a downgrade of our credit rating. However, in past situations, not all counterparties have demanded that additional collateral be pledged when provided for under their contracts. At December 31, 2017,2019, the fair value of our noncleared (bilateral) derivative liabilities was $40$167 million, for which we were required to pledge cash collateral of approximately $38$106 million in the normal course of business. If our credit rating were downgraded one notch by either Standard & Poor’s or Moody’s at December 31, 2017, the2019, there would likely be $2 million additional amount of collateral we could be required to pledge is approximately $1 million.be pledged. As a result of the Dodd-Frank Act, all newly eligible derivatives entered into are cleared through a central clearinghouse. Derivatives that are centrally cleared do not have credit-risk-related features that require additional collateral if our credit rating were downgraded.
Derivative Amounts
Selected information with respect to notional amounts and recorded gross fair values at December 31, 20172019 and 2016,2018, and the related gain (loss) of derivative instruments for the years then ended is summarized as follows:

 December 31, 2017 December 31, 2016
 
Notional
amount
 Fair value 
Notional
amount
 Fair value
(In millions)
Other
assets
 
Other
liabilities
 
Other
assets
 
Other
liabilities
Derivatives designated as hedging instruments           
Cash flow hedges:           
Interest rate swaps$1,138
 $
 $
 $1,388
 $2
 $1
Derivatives not designated as hedging instruments           
Interest rate swaps223
 1
 
 235
 2
 
Interest rate swaps for customers 1
4,550
 28
 33
 4,162
 49
 49
Foreign exchange913
 9
 7
 424
 11
 9
Total derivatives not designated as hedging instruments5,686
 38
 40
 4,821
 62
 58
Total derivatives$6,824
 $38
 $40
 $6,209
 $64
 $59
December 31, 2019December 31, 2018
Notional
amount
Fair valueNotional
amount
Fair value
(In millions)Other
assets
Other
liabilities
Other
assets
Other
liabilities
Derivatives designated as hedging instruments:
Cash flow hedges:
Purchased interest rate floors$—  $—  $—  $—  $—  $—  
Receive-fixed interest rate swaps3,588  —  —  687  —  —  
Fair value hedges:
Receive-fixed interest rate swaps1,500  —  —  500  —  —  
Total derivatives designated as hedging instruments5,088  —  —  1,187  —  —  
Derivatives not designated as hedging instruments:
Customer-facing interest rate derivatives 1, 2
4,409  146   2,826  37  33  
Offsetting interest rate derivatives 2
4,422   157  2,826  33  40  
Other interest rate derivatives726    300    
Foreign exchange derivatives385    389    
Total derivatives not designated as hedging instruments9,942  158  167  6,341  75  76  
Total derivatives$15,030  $158  $167  $7,528  $75  $76  
1Notional Customer-facing interest rate derivatives in an asset position include an $11 million and $3 million net credit valuation adjustment reducing the fair value amounts as of December 31, 2019 and December 31, 2018, respectively. There was no debit valuation adjustment for derivative liabilities. These adjustments are required to reflect both our nonperformance risk and that of the respective counterparty.
2 The fair value amounts for these derivatives do not include both the customer swaps andsettlement amounts for those trades that are cleared. Once the offsettingsettlement amounts with the clearing houses are included the derivative contracts.fair values would be the following:
December 31, 2019December 31, 2018
(In millions)Other assetsOther liabilitiesOther assetsOther liabilities
Customer-facing interest rate derivatives$141  $ $ $33  
Offsetting interest rate derivatives  33   

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The amount of derivative gains (losses) from cash flow and fair value hedges that was deferred in OCI or recognized in earnings is as follows:

 Year Ended December 31, 2017 Year Ended December 31, 2016
 Amount of derivative gain (loss) recognized/reclassified
(In millions)

OCI 
Reclassified
from AOCI
to interest
income
 
Noninterest
income
(expense)
 
Offset to
interest
expense
 OCI 
Reclassified
from AOCI
to interest
income
 
Noninterest
income
(expense)
 
Offset to
interest
expense
Derivatives designated as hedging instruments               
Cash flow hedges: 1
               
Interest rate swaps$(8) $4
     $8
 $11
    
Derivatives not designated as hedging instruments               
Interest rate swaps    $(1)       $1
  
Interest rate swaps for customers    11
       14
  
Foreign exchange    17
       11
  
Total derivatives$(8) $4
 $27
 $
 $8
 $11
 $26
 $
Year Ended December 31, 2019
(In millions)Effective portion of derivative gain/(loss) deferred in OCIExcluded components deferred in OCI (amortization approach)Amount of gain/(loss) reclassified from AOCI into incomeInterest on fair value hedgesHedge ineffectiveness / AOCI reclass due to failed forecast
Derivatives designated as hedging instruments:
Cash flow hedges of floating-rate assets1:
Purchased interest rate floors$—  $27  $ $—  $—  
Interest rate swaps47  —  (7) —  —  
Fair value hedges of fixed-rate debt:
Receive-fixed interest rate swaps—  —  —   —  
Total derivatives designated as hedging instruments$47  $27  $(4) $ $—  

Year Ended December 31, 2018
(In millions)Effective portion of derivative gain/(loss) deferred in OCIExcluded components deferred in OCI (amortization approach)Amount of gain/(loss) reclassified from AOCI into incomeInterest on fair value hedgesHedge ineffectiveness / AOCI reclass due to failed forecast
Derivatives designated as hedging instruments:
Cash flow hedges of floating-rate assets1:
Purchased interest rate floors$—  $—  $—  $—  $—  
Interest rate swaps(5) —  (2) —  —  
Fair value hedges of fixed-rate debt:
Receive-fixed interest rate swaps—  —  —   —  
Total derivatives designated as hedging instruments$(5) $—  $(2) $ $—  

Note: These schedules are not intended to present at any given time the Company’sBank’s long/short position with respect to its derivative contracts.
1 Amounts recognized in OCI and reclassified from AOCI represent the effective portion of the derivative gain (loss). For the 12 months following December 31, 2019, we estimate that $13 million will be reclassified from AOCI into interest income.
The amount of derivative gains (losses) recognized from derivatives not designated in accounting hedges is as follows:

Noninterest (Other) Income/(Expense)
(In millions)20192018
Derivatives not designated as hedging instruments:
Customer-facing interest rate derivatives$146  $ 
Offsetting interest rate derivatives(129) 11  
Other interest rate derivatives (1) 
Foreign exchange derivatives22  18  
Total derivatives not designated as hedging instruments$40  $35  

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The following schedule presents derivatives used in fair value hedge accounting relationships, as well as pre-tax gains/(losses) recorded on such derivatives and the related hedged items for the periods presented.
Gain/(loss) recorded in income
Twelve Months Ended
December 31, 2019
                                             Twelve Months Ended December 31, 2018
(In millions)
Derivatives2
Hedged items  Total income statement impact  
Derivatives2
Hedged items  Total income statement impact  
Interest rate swaps1
$ $(5) $—  $ $(5) $—  
1Consists of hedges of benchmark interest rate risk of fixed-rate long-term debt. Gains and losses were recorded in net interest expense.
2The income for the derivative does not reflect interest income/expense to be consistent with the presentation of the gains/(losses) on the hedged items.
The following schedule provides selected information regarding the long-term debt in the statement of financial position in which the hedged item is included.
Carrying amount of the hedged assets/(liabilities)Cumulative amount of fair value hedging adjustment included in the carrying amount of the hedged assets/(liabilities)
(In millions)2019  2018  2019  2018  
Long-term debt$(1,510) $(505) $(10) $(5) 
8. LEASES
Leases
In February 2016, the FASB issued ASU 2016-02, Leases (“Topic 842”), to increase transparency and comparability among organizations by requiring the recognition of ROU assets and lease liabilities on the balance sheet. Most prominent among the changes in the standard is the recognition of ROU assets and lease liabilities by lessees for those leases classified as operating leases. Under the standard, disclosures are required to meet the objective of enabling users of financial statements to assess the amount, timing, and uncertainty of cash flows arising from leases.
Upon adoption the Bank has elected to use the following optional exemptions that are permitted under Topic 842, which have been applied consistently:
The Bank elected the optional transition method and there was no impact to retained earnings from recognizing the appropriate amount of lease assets and liabilities on the balance sheet as of the adoption date of the standard. Prior period financial statements were not restated.
The Bank elected the expedient package to not reassess (1) whether any existing or expired contracts are or contain leases, (2) lease classification for any existing or expired leases, and (3) initial direct costs for any existing leases.
The Bank elected to not separate lease components from nonlease components for all classes of underlying assets for lessee or lessor transactions.
We determine if a contract is a lease or contains a lease at inception. The right to use leased assets for the lease term are considered ROU assets. Operating lease assets are included in “Other assets” while finance lease assets are included in “Premises, equipment and software, net.” Lease liabilities for operating leases are included in “Other liabilities” while finance leases are included in “Long-term debt” on our consolidated balance sheet.
Lease ROU assets and operating lease liabilities are recognized based on the present value of the future minimum lease payments over the lease term at commencement date. Because most of our leases do not provide an implicit rate, we use our incremental borrowing rate based on the information available at the commencement date in determining the present value of future payments. The lease ROU asset also incorporates any amortization incurred,
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including initial direct costs, and excludes lease incentives received. Our lease terms may include options to extend or terminate the lease, and the lease term incorporates these when it is reasonably certain that we will exercise these options. The Bank enters into certain lease agreements with both lease and nonlease components, which are not separated out for lessees and lessors on a relative standalone basis.
We have operating and finance leases for branches, corporate offices, and data centers. Our equipment leases are not material. At December 31, 2019, we had 434 branches, of which 280 are owned and 154 are leased. We lease our headquarters in Salt Lake City, Utah, and other office or data centers are either owned or leased.
The Bank may enter into certain lease arrangements with a term of 12 months or less, and we have elected to exclude these from capitalization. The length of our commitments for leases ranges from 2020 to 2063, some of which include options to extend or terminate the leases.
As of December 31, 2019, assets recorded under operating leases were $218 million, while assets recorded under finance leases were $4 million. We utilized a secured incremental borrowing rate based on the remaining term of the lease as of the effective date for the discount rate to determine our lease ROU assets and liabilities. The following schedule presents lease-related assets and liabilities, their weighted average remaining life, and the weighted average discount rate.
1
(Dollar amounts in millions)
Amounts recognized in OCI and reclassified from AOCI represent the effective portion of the derivative gain (loss). For the 12 months following December 31, 2017, we estimate that $1 million will be reclassified2019
Operating assets and liabilities
  Operating right-of-use assets, net of amortization$218 
  Operating lease liabilities246
Weighted average remaining lease term (years)
  Operating leases9.1
  Finance leases20.2
Weighted average discount rate
  Operating leases3.2 %
  Finance leases3.1 %
The components of lease expense for 2019 are as follows:
(In millions)
Operating lease costs$48 
Variable lease costs53 
Total lease cost$101 
Supplemental cash flow information for 2019 related to leases is as follows:
(In millions)
Cash paid for amounts in the measurement of lease liabilities:
 Operating cash disbursements from AOCI into interest income.operating leases$50 
ROU assets obtained in exchange for lease liabilities for 2019 is as follows:
(In millions)
New operating lease liabilities$10 
New finance lease liabilities
Total$16 
Maturities analysis for operating lease liabilities as of December 31, 2019 is as follows (contractual undiscounted lease payments):
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(In millions)
2020$50  
202144  
202240  
202333  
202423  
Thereafter99  
Total$289  
The fair valueBank enters into certain lease agreements where it is the lessor of derivative assetsreal estate. Real estate leases are made from bank-owned and subleased property to generate cash flow from the property, including from leasing vacant suites in which the Bank occupies portions of the building. Operating lease income was reduced by$12 million and $11 million for the years ending 2019 and 2018, respectively.
The Bank also has a net credit valuation adjustment of $2lending division that makes equipment leases, considered to be sales-type leases or direct financing leases, totaling $334 million and $327 million at December 31, 20172019 and 2016,2018, respectively. The fair valueBank uses leasing of derivative liabilities was reduced byequipment as a net debit valuation adjustmentvenue for customers to access equipment without purchasing upfront. The Bank recorded income of $1$14 million at December 31, 2017for both the years ending 2019 and 2016, respectively. These adjustments are required to reflect both our own nonperformance risk and the respective counterparty’s nonperformance risk.2018.
8.PREMISES, EQUIPMENT AND SOFTWARE, NET
9. PREMISES, EQUIPMENT AND SOFTWARE, NET
Premises, equipment and software, net are summarized as follows:
(In millions)December 31,
2019  2018  
Land$235  $238  
Buildings747  736  
Furniture and equipment442  427  
Leasehold improvements164  145  
Software507  449  
Total 1
2,095  1,995  
Less accumulated depreciation and amortization953  871  
Net book value$1,142  $1,124  
1Amounts include $105 million at December 31, 2019, and $147 million at December 31, 2018, of costs that have been capitalized but are not yet depreciating because the respective assets have not been placed in service.
10. GOODWILL AND OTHER INTANGIBLE ASSETS
(In millions)December 31,
2017 2016
Land$234
 $229
Buildings720
 683
Furniture and equipment451
 458
Leasehold improvements135
 140
Software401
 355
Total1,941
 1,865
Less accumulated depreciation and amortization847
 845
Net book value$1,094
 $1,020

9.GOODWILL AND OTHER INTANGIBLE ASSETS
Core deposit and other intangible assets and related accumulated amortization are as follows at December 31:
 Gross carrying amount Accumulated amortization Net carrying amount
(In millions)2017 2016 2017 2016 2017 2016
            
Core deposit intangibles$167
 $167
 $(165) $(159) $2
 $8
Customer relationships and other intangibles28
 28
 (28) (28) 
 
Total$195
 $195
 $(193) $(187) $2
 $8
The amount of amortization expense of core deposit and other intangible assets is separately reflected in the statement of income. Estimated amortization expense for core deposit and other intangible assets is $2 million in 2018, less than $1 million in 2019, and nothing thereafter.
Gross carrying amountAccumulated amortizationNet carrying amount
(In millions)2019  2018  2019  2018  2019  2018  
Core deposit intangibles$167  $167  $(167) $(166) $—  $ 
Customer relationships and other intangibles28  28  (28) (28) —  —  
Total$195  $195  $(195) $(194) $—  $ 

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Changes in the carrying amount of goodwill for operating segments with goodwill are as follows:
(In millions)Zions BankCB&TAmegyConsolidated Bank
Balance at December 31, 2017$20  $379  $615  $1,014  
Impairment losses—  —  —  —  
Balance at December 31, 201820  379  615  1,014  
Impairment losses—  —  —  —  
Balance at December 31, 2019$20  $379  $615  $1,014  
(In millions)Zions Bank CB&T Amegy Consolidated Company
        
Balance at December 31, 2015$20
 $379
 $615
 $1,014
Impairment losses
 
 
 
Balance at December 31, 201620
 379
 615
 1,014
Impairment losses
 
 
 
Balance at December 31, 2017$20
 $379
 $615
 $1,014
A company-widebank-wide annual impairment test is conducted as of October 1 of each year and updated on a more frequent basis when events or circumstances indicate that impairment could have taken place. Results of the testing for 20172019 and 20162018 concluded that no0 impairment was present in any of the operating segments.
10.DEPOSITS
11. DEPOSITS
At December 31, 2017,2019, the scheduled maturities of all time deposits were as follows:
(In millions) (In millions)
2018$2,584
2019256
2020132
2020  $4,050  
202185
2021  480  
202257
2022  76  
2023 2023  60  
2024 2024  53  
Thereafter1
Thereafter—  
Total$3,115
Total$4,719  
The contractual maturities of time deposits with a denomination of $100,000 and over were as follows:
(In millions)December 31, 2019
Three months or less$438 
After three months through six months300 
After six months through twelve months576 
After twelve months255 
Total$1,569 
(In millions)December 31, 2017
  
Three months or less$1,023
After three months through six months485
After six months through twelve months508
After twelve months312
Total$2,328
TimeNonbrokered time deposits in denominations that meet or exceed the current FDICFederal Deposit Insurance Corporation (“FDIC”) insurance limit of $250,000 were $1.9$885 million and $683 million at December 31, 2019 and 2018, respectively. Nonbrokered time deposits at or under $250,000 were $1.6 billion and $1.4$1.5 billion at December 31, 20172019 and 2016, respectively. Time deposits under $250,000 were $1.2 billion and $1.4 billion at December 31, 2017 and 2016,2018, respectively. Deposit overdrafts reclassified as loan balances were $14$10 million and $11$12 million at December 31, 20172019 and 2016,2018, respectively.

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12. SHORT-TERM BORROWINGS
11.SHORT-TERM BORROWINGS
Selected information for FHLB advances and other short-term borrowings is as follows:
(Dollar amounts in millions)2019  2018  2017  
Federal Home Loan Bank advances
Average amount outstanding$3,149  $2,971  $2,657  
Average rate2.50 %2.01 %1.13 %
Highest month-end balance$4,950  $5,400  $3,750  
Year-end balance1,000  4,500  3,600  
Average rate on outstandings at year-end1.73 %2.61 %1.44 %
Other short-term borrowings, year-end balances
Federal funds purchased$472  $541  $927  
Security repurchase agreements515  527  354  
Securities sold, not yet purchased66  85  95  
Total Federal Home Loan Bank advances and other short-term borrowings$2,053  $5,653  $4,976  
(Dollar amounts in millions)2017 2016 2015
Federal Home Loan Bank advances     
Average amount outstanding$2,657
 $37
 $
Average rate1.13% 0.59% %
Highest month-end balance3,750
 750
 
Year-end balance3,600
 500
 
Average rate on outstandings at year-end1.44% 0.75% %
Other short-term borrowings, year-end balances     
Federal funds purchased927
 106
 111
Security repurchase agreements354
 196
 206
Securities sold, not yet purchased95
 25
 30
Total Federal Home Loan Bank advances and other short-term borrowings$4,976
 $827
 $347
ZB, N.A.The Bank may borrow from the FHLB under their lines of credit that are secured under blanket pledge arrangements. ZB, N.A.The Bank maintained unencumbered collateral with carrying amounts adjusted for the types of collateral pledged, equal to at least 100% of the outstanding advances. At December 31, 2017,2019, the amount available for FHLB advances was approximately $8.9$11.1 billion. ZB, N.A.The Bank may also borrow from the Federal Reserve based on the amount of collateral pledged to a Federal Reserve Bank. At December 31, 2017,2019, the amount available for additional Federal Reserve borrowings was approximately $5.8$4.2 billion.
Federal funds purchased and security repurchase agreements generally mature in less than 30 days. Our participation in security repurchase agreements is on an overnight or term basis (e.g., 30 or 60 days). ZB, N.A.The Bank executes overnight repurchase agreements with sweep accounts in conjunction with a master repurchase agreement. When this occurs, securities under the Bank’s control are pledged and interest is paid on the collected balance of the customers’ accounts. For the non-sweepnonsweep overnight and term repurchase agreements, securities are transferred to the applicable counterparty. The counterparty, in certain instances, is contractually entitled to sell or repledge securities accepted as collateral. Of the total security repurchase agreements at December 31, 2017, $312019, $469 million were overnight and $323$46 million were term.
12.LONG-TERM DEBT
13.LONG-TERM DEBT
Long-term debt is summarized as follows:
December 31,December 31,
(In millions)2017 2016(In millions)20192018
   
Subordinated notes$247
 $246
Subordinated notes$572  $87  
Senior notes135
 288
Senior notes1,147  637  
Capital lease obligations1
 1
Finance lease obligationsFinance lease obligations —  
Total$383
 $535
Total$1,723  $724  
The preceding carrying values represent the par value of the debt adjusted for any unamortized premium or discount, or unamortized debt issuance costs.costs, and basis adjustments for interest rate swaps designated as fair value hedges.
During 2019, the Bank issued $500 million of subordinated notes with a coupon rate of 3.25% and $500 million of senior notes with a coupon rate of 3.35% (see the subsequent Subordinated Notes and Senior Notes schedules). The Bank subsequently entered into receive-fixed interest rate swaps on the notes. For more information on derivatives designated as qualifying hedges, see Note 7 - Derivative Instruments and Hedging Activities.

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Subordinated Notes
Subordinated notes were issued by the Parent andBank consist of the following at December 31, 2017:2019:
(Dollar amounts in millions)Subordinated notes
Coupon rateBalancePar amountMaturity
6.95%  $87  $88  September 2028
3.25%  485  500  October 2029
Total$572  $588  
(Dollar amounts in millions) Subordinated notes  
Coupon rate Balance Par amount Maturity
       
5.65% $160
 $162
 Nov 2023
6.95% 87
 88
 Sep 2028
Total $247
 $250
  
TheseThe 6.95% subordinated notes are unsecured and interest is payable semiannually on the 5.65% notes and quarterly on the 6.95% notes. Interest payments on the 5.65% notes commenced May 15, 2014 to thequarterly. The earliest possible redemption date of November 15, 2018, after which they are payable quarterly at an annual floating rate equal to 3mL+4.19%. Foron the 6.95% subordinated notes interest payments commenced December 15, 2013 to the earliest possible redemption date ofis September 15, 2023, after which the interest rate changes to an annual floating rate equal to 3mL+3.89%. The 3.25% subordinated notes are unsecured, interest is payable semi-annually, and the earliest possible redemption date is July 29, 2029.
Senior Notes
Senior notes were issued by the Parent andBank consist of the following at December 31, 2017:2019:
(Dollar amounts in millions) Senior notes (Dollar amounts in millions)Senior notes
Coupon rate Balance Par amount MaturityCoupon rateBalancePar amountMaturity
     
4.50% $135
 $136
 June 20234.50%  $131  $136  June 2023
3.50% 3.50%  509  500  August 2021
3.35% 3.35%  507  500  March 2022
TotalTotal$1,147  $1,136  
These notes are unsecured and interest is payable semiannually.semi-annually. The notes were issued under a shelf registration filed with the SECSecurities and were sold via the Company’s online auction process and direct sales.Exchange Commission (“SEC”). The notes are not redeemable prior to maturity.
Debt Maturities and Redemptions
During 2017, $153 million of our senior notes matured. During 2016, we elected to exercise our right to redeem junior subordinated debentures related to trust preferred securities. The following amounts of long-term debt matured or were redeemed during 2016:
(Dollar amounts in millions)  
Note type Par amount
Trust preferred:  
3mL+2.85% (3.38%) $51
3mL+1.90% (2.22%) 36
3mL+1.78% (2.29%) 62
3mL+3.15% (3.75%) 8
3mL+2.89% (3.42%) 8
Total trust preferred 165
Senior notes:  
3.60% 11
4.00% 89
Total senior notes 100
Total $265
Debt Extinguishment Costs
During 2017, we had no debt extinguishment costs, compared with less than $1 million in 2016 and $3 million in 2015.

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Maturities of Long-term Debt
Maturities of long-term debt are as follows for the years succeeding December 31, 2017:2019:
(In millions)
2020$—  
2021499  
2022498  
2023131  
2024—  
Thereafter585  
Total$1,713  
These maturities do not include the basis adjustments for interest rate swaps designated as fair value hedges.
14. SHAREHOLDERS’ EQUITY
(In millions)Consolidated Parent only
    
2018$
 $
20191
 
2020
 
2021
 
2022
 
Thereafter382
 382
Total$383
 $382
The consolidated Zions Bancorporation long-term debt maturities include $1 million of capital lease obligations in addition to the subordinated and senior debt issued by the Parent.
13.SHAREHOLDERS’ EQUITY
Preferred Stock
PreferredWe have 4.4 million authorized shares of preferred stock is without par value and haswith a liquidation preference of $1,000$1,000 per share, or $25 per depositary share. Except for Series I and J, all preferred shares were issued in the form of depositary shares, with each depositary share representing a 1/40th ownership interest in a share of the preferred stock. All preferred shares are registered with the SEC. In addition, Series A, G, and H preferred stock are listed and traded on the National Association of Securities Dealers Automated Quotations (“NASDAQ”) Global Select Market.
In general, preferred shareholders may receive asset distributions before common shareholders; however, preferred shareholders have only limited voting rights generally with respect to certain provisions of the preferred stock, the issuance of senior preferred stock, and the election of directors. Preferred stock dividends reduce earnings applicable to common shareholders and are paid on the 15th day of the months indicated in the following schedule. Dividends are approved by the Board of Directors and are subject to regulatory non-objection to Directors.
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Redemption of the preferred stock is at the Company’sBank’s option after the expiration of any applicable redemption restrictions. Therestrictions and the redemption amount is computed at the per share liquidation preference plus any declared but unpaid dividends. Redemptions are subject to certain regulatory provisions including the previously noted capital plan non-objection for a submitted capital plan in a given year.

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Preferred stock is summarized as follows:

     Shares at
December 31, 2017
          
(Dollar amounts in millions)Carrying value at
December 31,
 Authorized Outstanding   Dividends payable 
Earliest
redemption date
 Rate following earliest redemption date Dividends payable after rate change
2017 2016 (thousands) (thousands) Rate    
               (when applicable)
Series A$67
 $67
 140,000
 66,139
 > of 4.0% or 3mL+0.52% Qtrly Mar,Jun,Sep,Dec Dec 15, 2011 
 
Series F
 144
 
 
 7.9% Qtrly Mar,Jun,Sep,Dec Jun 15, 2017    
Series G138
 138
 200,000
 138,391
 6.3% Qtrly Mar,Jun,Sep,Dec Mar 15, 2023 annual float-ing rate = 3mL+4.24% 
Series H126
 126
 126,221
 126,221
 5.75% Qtrly Mar,Jun,Sep,Dec Jun 15, 2019 
 
Series I99
 99
 300,893
 98,555
 5.8% Semi-annually Jun,Dec Jun 15, 2023 annual float-ing rate = 3mL+3.8% Qtrly Mar,Jun,Sep,Dec
Series J136
 136
 195,152
 136,368
 7.2% Semi-annually Mar,Sep Sep 15, 2023 annual float-ing rate = 3mL+4.44% Qtrly Mar,Jun,Sep,Dec
Total$566
 $710
              
and maintaining well-capitalized minimum requirements.
Preferred Stock Redemptionsstock is summarized as follows:
During 2017, we redeemed all outstanding shares of our 7.9% Series F preferred stock for a cash payment of approximately $144 million. The total reduction to net earnings applicable to common shareholders associated with the preferred stock redemption was $2 million due to the accelerated recognition of preferred stock issuance costs.
Shares at
December 31, 2019
(Dollar amounts in millions)Carrying value at
December 31,
AuthorizedOutstandingDividends payableEarliest
redemption date
Rate following earliest redemption dateDividends payable after rate change
2019  2018(thousands)(thousands)Rate
(when applicable) 
Series A$67  $67  140,000  66,139  > of 4.0% or 3mL+0.52%Qtrly Mar,Jun,Sep,DecDec 15, 2011
Series G138  138  200,000  138,391  6.3%  Qtrly Mar,Jun,Sep,DecMar 15, 2023annual float-ing rate = 3mL+4.24%
Series H126  126  126,221  126,221  5.75%  Qtrly Mar,Jun,Sep,DecJun 15, 2019
Series I99  99  300,893  98,555  5.8%  Semi-annually Jun,DecJun 15, 2023annual float-ing rate = 3mL+3.8%Qtrly Mar,Jun,Sep,Dec
Series J136  136  195,152  136,368  7.2%  Semi-annually Mar,SepSep 15, 2023annual float-ing rate = 3mL+4.44%Qtrly Mar,Jun,Sep,Dec
Total$566  $566  
During 2016, we launched a cash tender offer to purchase up to $120 million par amount of certain outstanding preferred stock. Our preferred stock decreased by $118 million as a result of the tender offer, including the purchase of $26 million of our Series I preferred stock, $59 million of our Series J preferred stock, and $33 million of our Series G preferred stock for an aggregate cash payment of $126 million. The total reduction to net earnings applicable to common shareholders associated with the preferred stock redemption was $10 million. The size and terms of the redemptions in 2017 and 2016 were determined in accordance with the Company’s 2016 and 2015 capital plans. These preferred stock redemptions benefit the Company by decreasing the amount of preferred dividends paid.
Common Stock
The Company’sBank’s common stock is traded on the NASDAQ Global Select Market. As of December 31, 2017,2019, there were 198165.1 million shares of no$0.001 par common stock outstanding. The balance of common stock and additional paid-in-capital was $2.7 billion at December 31, 2019, and decreased $1.1 billion, or 28%, from December 31, 2018, from Bank common stock repurchases.
The CompanyBank continued its common stock repurchase program during 20172019 and repurchased 723.5 million shares of common shares outstanding with a fair value of $320 million$1.1 billion at an average price of $45.66$46.80 per share. DuringIn February 2020, the Bank announced that the Board approved a plan to repurchase up to $75 million of common stock during the first quarter of 2020.
During 2018 the CompanyBank repurchased an additional 2 million shares of common stock outstanding with a fair value of $115 million at an average price of $53.46 per share, leaving $120 million of repurchase capacity remaining in the 2017 capital plan (which spans the timeframe of July 2017 to June 2018).
During 2016 the Company repurchased 312.9 million shares of common shares outstanding with a fair value of $90$670 million at an average price of $31.15$51.77 per share.

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Common Stock Warrants
As of December 31, 2017,2019, 29.3 million common stock warrants (NASDAQ: ZIONW) with an exercise price of $35.37$33.91 were outstanding. outstanding, and each common stock warrant was convertible into 1.08 common shares. The exercise of the common stock warrants is cashless as the warrants are settled on a net share basis.
These warrants expire on May 22, 2020. In addition, as of December 31, 2017, 5.8 million common stock warrants with an exercise price of $36.27 per share were outstanding. These warrants expire on November 14,During 2018, and were associated with the preferred stock issued under the Troubled Asset Relief Program which was redeemed in 2012.
Between January 1, 2018 and February 20, 2018, 1.01.8 million shares of common stock were issued from the cashless exercise of 3.25.8 million common stock warrants (NASDAQ: ZIONZ), which expireexpired on November 14, 2018. After these common stock warrant exercises, 29.3 million and 2.6 million common stock warrants, which expire on May 22, 2020 and November 14, 2018, respectively, remain outstanding.
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Accumulated Other Comprehensive Income
During 2017, $25Accumulated other comprehensive income (loss) was $43 million was reclassified fromat December 31, 2019, compared with $(250) million at December 31, 2018. Changes in AOCI by component are as follows:

(In millions)
Net unrealized gains (losses) on investment securitiesNet unrealized gains (losses) on derivatives and otherPension and post-retirementTotal
2019
Balance at December 31, 2018$(228) $(1) $(21) $(250) 
Other comprehensive income before reclassifications, net of tax257  24   287  
Amounts reclassified from AOCI, net of tax—     
Other comprehensive income257  29   293  
Balance at December 31, 2019$29  $28  $(14) $43  
Income tax expense included in other comprehensive income$84  $10  $ $96  
2018
Balance at December 31, 2017$(114) $(3) $(22) $(139) 
Other comprehensive loss before reclassifications, net of tax(114) (1) (1) (116) 
Amounts reclassified from AOCI, net of tax—     
Other comprehensive income (loss)(114)   (111) 
Balance at December 31, 2018$(228) $(1) $(21) $(250) 
Income tax expense (benefit) included in other comprehensive income (loss)$(37) $ $—  $(36) 
Statement of Income (SI) Balance Sheet (BS)
(In millions)
Amounts reclassified from AOCI 1
Details about AOCI components201920182017Affected line item
Net unrealized gains (losses) on derivative instruments$(6) $(4) $ SIInterest and fees on loans
Income tax expense (benefit)(1) (1)  
$(5) $(3) $ 
Amortization of net actuarial loss$(2) $(3) $(7) SISalaries and employee benefits
Income tax benefit(1) (1) (3) 
$(1) $(2) $(4) 

1Negative reclassification amounts indicate decreases to retained earnings as a resultin the statement of the decreased corporate income tax rate from the Tax Cuts and Jobs Act of 2017.increases to balance sheet assets. The opposite applies to positive reclassification amounts.
Changes in AOCI by component are as follows:
(In millions)

Net unrealized gains (losses) on investment securities Net unrealized gains (losses) on derivatives and other Pension and post-retirement Total
2017       
Balance at December 31, 2016$(92) $1
 $(31) $(122)
Other comprehensive income (loss) before reclassifications, net of tax(2) (1) 9
 6
Amounts reclassified from AOCI, net of tax
 (2) 4
 2
Effect of new tax rates from Tax Cuts and Jobs Act of 2017(20) (1) (4) (25)
Other comprehensive income (loss)(22) (4) 9
 (17)
Balance at December 31, 2017$(114) $(3) $(22) $(139)
Income tax expense (benefit) included in other comprehensive income (loss)$19
 $(1) $11
 $29
2016       
Balance at December 31, 2015$(18) $1
 $(38) $(55)
Other comprehensive income (loss) before reclassifications, net of tax(74) 7
 2
 (65)
Amounts reclassified from AOCI, net of tax
 (7) 5
 (2)
Other comprehensive income (loss)(74) 
 7
 (67)
Balance at December 31, 2016$(92) $1
 $(31) $(122)
Income tax expense (benefit) included in other comprehensive income (loss)$(45) $
 $5
 $(40)

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    Statement of Income (SI) Balance Sheet (BS)  
(In millions) 
Amounts reclassified from AOCI 1
   
Details about AOCI components 2017 2016 2015  Affected line item
           
Net realized gains (losses) on investment securities $
 $
 $(139) SI Securities losses, net
Income tax expense (benefit) 
 
 (53)    
  $
 $
 $(86)    
Net unrealized gains on derivative instruments $4
 $11
 $9
 SI Interest and fees on loans
Income tax expense 2
 4
 3
    
  $2
 $7
 $6
    
Amortization of net actuarial loss $(7) $(8) $(6) SI Salaries and employee benefits
Income tax benefit (3) (3) (2)    
  $(4) $(5) $(4)    
1
Negative reclassification amounts indicate decreases to earnings in the statement of income and increases to balance sheet assets. The opposite applies to positive reclassification amounts.
Deferred Compensation
Deferred compensation consists of invested assets, including the Company’sBank’s common stock, which are held in rabbi trusts for certain employees and directors. At both December 31, 2017 and 2016, theThe cost of the common stock included in retained earnings was approximately $14 million.$13 million at both December 31, 2019 and 2018. We consolidate the fair value trust invested assets along with the total obligations and include them in other assets and other liabilities respectively, in the balance sheet. At December 31, 20172019 and 2016,2018, total invested assets were approximately $102$113 million and $91$93 million and total obligations were approximately $116$126 million and $105$107 million,, respectively.
14.REGULATORY MATTERS
15. REGULATORY MATTERS
We are subject to various regulatory capital requirements administered by federal banking agencies. Failure to meet minimum capital requirements can initiate certain mandatory – and possibly additional discretionary – actions by regulators that, if undertaken, could have a direct material effect on our financial statements. Under capital
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adequacy guidelines and the regulatory framework for prompt corrective action, we must meet specific capital guidelines that involve quantitative measures of our assets, liabilities, and certain off-balance sheet items as calculated under regulatory accounting practices. Required capital levels are also subject to judgmental review by regulators.
In 2013, the Federal Reserve Board (“FRB”),FRB, FDIC, and OCCthe Office of the Comptroller of the Currency (“OCC”) published final rules (the “Basel III Capital Rules”) establishing a new comprehensive capital framework for U.S. banking organizations. The rulesorganizations that implemented the Basel Committee’s December 2010 framework, commonly referred to as Basel III, for strengthening international capital standards as well as certain provisions of the Dodd-Frank Act. The Basel III capital rules became effective for the CompanyBank on January 1, 2015 and were subject to phase-in periods for certain of their components. In November 2017, the FRB, FDIC and OCC published a final rule for non-advancednonadvanced approaches banks that extends the regulatory capital treatment applicable during 2017 under the regulatory capital rules for certain items. We met all capital adequacy requirements under the Basel III Capital Rules as of December 31, 2017.2019.
Under prior Basel I capital standards, the effects of AOCI items included in capital were excluded for purposes of determining regulatory capital and capital ratios. As a “non-advanced“nonadvanced approaches banking organization,” we made a one-time permanent election as of January 1, 2015 to continue to exclude these items, as allowed under the Basel III Capital Rules.
Quantitative measures established by regulation to ensure capital adequacy require us to maintain minimum amounts and ratios of Total and Tier 1 capital (as defined in the regulations) to risk-weighted assets (as defined), and of Tier 1 capital (as defined) to average assets (as defined). “Well-capitalized” levels are also published as a

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guideline to evaluate capital positions. As of December 31, 2017,2019, all capital ratios of the Company and its subsidiary bankBank exceeded the “well-capitalized” levels under the regulatory framework for prompt corrective action.
Dividends declared by our subsidiary bankthe Bank in any calendar year may not, without the approval of the appropriate federal regulators, exceed specified criteria. TheWhen determining dividends, that ZB, N.A. can pay are restricted bythe Bank considers current and historical earning levels, retained earnings, and risk-based and other regulatory capital requirements and limitations.
Appropriate capital levels and distributions of capital to shareholders for the Company and other SIFI are also subject to annual “stress tests” performed as a part of the Federal Reserve’s HCR/CCAR process.
TheBank-run stress tests seek to comprehensively measure all risks to which the institution is exposed, including credit, liquidity, market, operating and other risks, the losses that could result from those risk exposures under adverse scenarios, and the institution’s resulting capital levels. These stress tests have both a qualitative and a quantitative component. The qualitative component evaluates the robustness of the Company’sBank’s risk identification, stress risk modeling, policies, capital planning, governance processes, and other components of a Capital Adequacy Process. The quantitative process subjects the Company’sBank’s balance sheet and other risk characteristics to stress testing and independent determination by the Federal Reserve using its own models. Most capital actions, including for example, payment of dividends and repurchasing stock, are subject to non-objection by the Federal Reserve to a capital plan based on both the qualitative and quantitative assessments of the plan.
Because the Company’s subsidiary bank has assets greater than $10 billion also it is subject to annual stress testing and capital planning processes examined by the OCC, known as the Dodd-Frank Act Stress Test (“DFAST”).
The actual capital amounts and ratios at December 31, 20172019 and 20162018 for the Company and its subsidiary bankBank under Basel III are as follows:
(Dollar amounts in millions)December 31, 2017 To be well-capitalized
Amount Ratio Amount Ratio
Transitional Basis Basel III Regulatory Capital Rules       
Total capital (to risk-weighted assets)       
The Company$7,628
 14.8% $5,146
 10.0%
ZB, National Association7,306
 14.2
 5,130
 10.0
Tier 1 capital (to risk-weighted assets)       
The Company6,805
 13.2
 4,116
 8.0
ZB, National Association6,730
 13.1
 4,104
 8.0
Common equity tier 1 capital (to risk-weighted assets)       
The Company6,239
 12.1
 3,345
 6.5
ZB, National Association5,899
 11.5
 3,334
 6.5
Tier 1 capital (to average assets)       
The Company6,805
 10.5
 na
 
 na 1

ZB, National Association6,730
 10.4
 3,227
 5.0
(Dollar amounts in millions)December 31, 2019To be well-capitalized
AmountRatioAmountRatio
Basel III Regulatory Capital Amounts and Ratios
Total capital (to risk-weighted assets)$7,411  13.2 %$5,604  10.0 %
Tier 1 capital (to risk-weighted assets)6,285  11.2  4,483  8.0  
Common equity tier 1 capital (to risk-weighted assets)5,719  10.2  3,643  6.5  
Tier 1 capital (to average assets)6,285  9.2  3,426  5.0  

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December 31, 2018To be well-capitalized
(Dollar amounts in millions)AmountRatioAmountRatio
Basel III Regulatory Capital Amounts and Ratios
Total capital (to risk-weighted assets)$7,450  13.9 %$5,359  10.0 %
Tier 1 capital (to risk-weighted assets)6,811  12.7  4,287  8.0  
Common equity tier 1 capital (to risk-weighted assets)6,245  11.7  3,483  6.5  
Tier 1 capital (to average assets)6,811  10.3  3,317  5.0  
 December 31, 2016 To be well-capitalized
(Dollar amounts in millions)Amount Ratio Amount Ratio
Transitional Basis Basel III Regulatory Capital Rules       
Total capital (to risk-weighted assets)       
The Company$7,609
 15.2% $4,994
 10.0%
ZB, National Association7,278
 14.6
 4,983
 10.0
Tier 1 capital (to risk-weighted assets)       
The Company6,738
 13.5
 3,995
 8.0
ZB, National Association6,655
 13.4
 3,986
 8.0
Common equity tier 1 capital (to risk-weighted assets)       
The Company6,028
 12.1
 3,246
 6.5
ZB, National Association5,824
 11.7
 3,239
 6.5
Tier 1 capital (to average assets)       
The Company6,738
 11.1
 na
 
 na 1

ZB, National Association6,655
 11.0
 3,027
 5.0
1
There is no Tier 1 leverage ratio component in the definition of a well-capitalized bank holding company.
ZionsThe Bank is also subject to “capital conservation buffer” regulatory requirements. When fully phased-in,At December 31, 2019, the Basel III capital rules will also require the Company and its subsidiary bankBank to maintain a 2.5% “capital conservation buffer” designed to absorb losses during periods of economic stress, composed entirely of Common Equity Tier 1 (“CET1”), on top of the minimum risk-weighted asset ratios, effectively resulting in minimum ratios of (i) CET1 to risk-weighted assets of at least 7.0%, (ii) Tier 1 capital to risk-weighted assets of at least 8.5%, and (iii) Total capital to risk-weighted assets of at least 10.5%. Banking institutions with a ratio of CET1 to risk-weighted assets above the minimum but below the capital conservation buffer will face constraints on dividends, equity repurchases, and compensation based on the amount of the shortfall. The implementation of the capital conservation buffer began on January 1, 2016 at the 0.625% level and progressively increasesincreased over time, as determined by regulation. Zions’time. The Bank’s triggers and limits under actual conditions and baseline projections are more restrictive than the capital conservation buffer requirements.
The schedule below presents the Bank’s actual capital ratios in comparison to minimum capital ratios and capital ratios in excess of minimum capital requirements plus minimum capital conservation buffer requirements.
15.COMMITMENTS, GUARANTEES, CONTINGENT LIABILITIES, AND RELATED PARTIES
December 31, 2019
Actual Capital RatioMinimum Capital RatioCapital Conservation Buffer RatioCapital Ratio in Excess of Minimum Capital Ratio plus Capital Conservation Buffer Requirement
Total capital (to risk-weighted assets)13.2 %8.0 %2.5 %2.7 %
Tier 1 capital (to risk-weighted assets)11.2  6.0  2.5  2.7  
Common equity tier 1 capital (to risk-weighted assets)10.2  4.5  2.5  3.2  

16. COMMITMENTS, GUARANTEES, CONTINGENT LIABILITIES, AND RELATED PARTIES
Commitments and Guarantees
We use certain financial instruments, including derivative instruments, in the normal course of business to meet the financing needs of our customers, to reduce our own exposure to fluctuations in interest rates, and to make a market in U.S. Government,government, agency, corporate, and municipal securities. These financial instruments involve, to varying degrees, elements of credit, liquidity, and interest rate risk in excess of the amounts recognized in the balance sheet. Derivative instruments are discussed in Notes 7 and 3.
Contractual amounts of the off-balance sheet financial instruments used to meet the financing needs of our customers are as follows:
December 31,
(In millions)20192018
Net unfunded commitments to extend credit 1
$23,099  $21,454  
Standby letters of credit:
Financial631  655  
Performance192  199  
Commercial letters of credit 18  
Total unfunded lending commitments$23,927  $22,326  
1Net of participations
131
 December 31,
(In millions)2017 2016
    
Net unfunded commitments to extend credit 1
$19,583
 $18,274
Standby letters of credit:   
Financial721
 771
Performance196
 196
Commercial letters of credit31
 60
Total unfunded lending commitments$20,531
 $19,301
1
Net of participations.



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Commitments to extend credit are agreements to lend to a customer as long as there is no violation of any condition established in the contract. Commitments generally have fixed expiration dates or other termination clauses and may require the payment of a fee. The amount of collateral obtained, if deemed necessary by us upon extension of credit, is based on our initial credit evaluation of the counterparty. Types of collateral vary, but may include accounts receivable, inventory, property, plant and equipment, and income-producing properties.
While establishing commitments to extend credit creates credit risk, a significant portion of such commitments is expected to expire without being drawn upon. As of December 31, 2017, $6.22019, $6.3 billion of commitments expire in 2018.2020. We use the same credit policies and procedures in making commitments to extend credit and conditional obligations as we do for on-balance sheet instruments. These policies and procedures include credit approvals, limits, and monitoring.
We issue standby and commercial letters of credit as conditional commitments generally to guarantee the performance of a customer to a third party. The guarantees are primarily issued to support public and private borrowing arrangements, including commercial paper, bond financing, and similar transactions. Standby letters of credit include remaining commitments of $610$642 million expiring in 20182020 and $307$181 million expiring thereafter through 2027.2026. The credit risk involved in issuing letters of credit is essentially the same as that involved in extending loan facilities to customers. We generally hold marketable securities and cash equivalents as collateral when necessary. At December 31, 2017,2019, the CompanyBank recorded $5$4 million as a liability for these guarantees, which consisted of $1 million attributable to the RULC and $4$3 million of deferred commitment fees.
Certain mortgage loans sold have limited recourse provisions for periods ranging from three months to one year. The amount of losses resulting from the exercise of these provisions has not been significant.
At December 31, 2017, we had unfunded commitments for PEIs of $31 million. These obligations have no stated maturity. PEIs related to these commitments prohibited by the Volcker Rule were $4 million. See the related discussion about these investments in Note 5.
The contractual or notional amount of financial instruments indicates a level of activity associated with a particular financial instrument class and is not a reflection of the actual level of risk. As of December 31, 20172019 and 2016,2018, the regulatory risk-weighted values assigned to all off-balance sheet financial instruments and derivative instruments described herein were $6.8$8.3 billion and $6.5$7.6 billion, respectively.
At December 31, 2017,2019, we were required to maintain cash balances of $366$389 million with the Federal Reserve BanksBank to meet minimum balance requirements in accordance with FRB regulations.
Leases
We have commitments for leasing premises and equipment under the terms of noncancelable capital and operating leases expiring from 2018 and 2052. Premises leased under capital leases at December 31, 2017, were $1 million, and were essentially amortized with accumulated amortization totaling approximately $1 million. Amortization applicable to premises leased under capital leases is included in depreciation expense.
Future aggregate minimum rental payments under existing noncancelable operating leases at December 31, 2017, are as follows:
(in millions) 
2018$40
201939
202036
202129
202225
Thereafter76
Total$245

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Future aggregate minimum rental payments have been reduced by noncancelable subleases as follows: $2 million in 2018, $2 million in 2019, and $1 million in 2020. Aggregate rental expense on operating leases amounted to $61 million in 2017, $65 million in 2016, and $63 million in 2015.
Legal Matters
We are subject to litigation in court and arbitral proceedings, as well as proceedings, investigations, examinations and other actions brought or considered by governmental and self-regulatory agencies. Litigation may relate to lending, deposit and other customer relationships, vendor and contractual issues, employee matters, intellectual property matters, personal injuries and torts, regulatory and legal compliance, and other matters. While most matters relate to individual claims, we are also subject to putative class action claims and similar broader claims. Proceedings, investigations, examinations and other actions brought or considered by governmental and self-regulatory agencies may relate to our banking, investment advisory, trust, securities, and other products and services; our customers’ involvement in money laundering, fraud, securities violations and other illicit activities or our policies and practices relating to such customer activities; and our compliance with the broad range of banking, securities and other laws and regulations applicable to us. At any given time, we may be in the process of responding to subpoenas, requests for documents, data and testimony relating to such matters and engaging in discussions to resolve the matters.
As of December 31, 2017,2019, we were subject to the following material litigation andor governmental inquiries:
a civil suit, Shou-En Wang v. CB&T, brought against us in the Superior Court for Los Angeles County, Central District in April 2016. The case relates to our depositor relationships with customers who were promoters of an investment program that allegedly misappropriated investors’ funds. This case is in an early phase, with initial motion practice having been completed and discovery being underway.
a civil suit, McFarland as Trustee for International Manufacturing Group v. CB&T, et. al., brought against us in the United States Bankruptcy Court for the Eastern District of California in May 2016. The Trustee seeks to recover loan payments previously repaid to us by our customer, International Manufacturing Group (“IMG”), alleging that IMG, along with its principal, obtained loans and made loan repayments in furtherance of an alleged Ponzi scheme. This case is in an early phase with initial motion practice having been completed and discovery being underway.
a civil suit, JTS Communities, Inc. et. al v. CB&T, Jun Enkoji and Dawn Satow, brought against us in the Superior Court for Sacramento County, California in June 2017. In this case four investors in IMGour former customer, International Manufacturing Group (“IMG”) seek to hold us liable for losses arising from their investments in that company, alleging that we conspired with and knowingly assisted IMG and its principal in furtherance of an alleged Ponzi Scheme.scheme. This case is in an earlythe discovery phase with dispositive motion practice having been completed but discovery not having been commenced.underway and to be scheduled for hearing in the first quarter of 2020. Trial is scheduled for May 2020.
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a civil class action lawsuit, Evans v. CB&T, brought against us in the United States District Court for the Eastern District of California in May 2017. This case was filed on behalf of a class of up to 50 investors in IMG and seeks to hold us liable for losses of class members arising from their investments in IMG, alleging that we conspired with and knowingly assisted IMG and its principal in furtherance of an alleged Ponzi Scheme.scheme. In the fourth quarter ofDecember 2017, the District Court dismissed all claims against the Company. OnBank. In January 17, 2018, the plaintiff filed an appeal with the Court of Appeals for the Ninth Circuit.
a Private Attorney General Act (“PAGA”) claim under California law, Lawson v. CB&T, brought against us The appeal was heard in early April 2019 with the Superior Court forof Appeals reversing the County of San Diego, California, in February 2016. In this case, the plaintiff alleges, on behalf of herself and other current or former employees of the Company who worked in California on a non-exempt basis, violations by the Company of California wage and hour laws. Thetrial court’s dismissal. This case is in the early stagespleadings phase and as a result, trial will not occur for a substantial period of motion practice, to date mainly involving questions of venue and scope of employees covered by the PAGA claims.
time.
atwo civil case, cases, Lifescan Inc. and Johnson & Johnson Health Care Services v. Jeffrey Smith, etet. al., brought against us in the United States District Court for the District of New Jersey in December 2017, and Roche Diagnostics and Roche Diabetes Care Inc. v. Jeffrey C. Smith, et. al., brought against us in the fourth quarterUnited States District Court for the District of 2017.New Jersey in March 2019. In this case,these cases, certain manufacturers and distributors of medical products seek to hold us liable for allegedly fraudulent practices of a borrower of the Company whichBank who filed for bankruptcy protection in 2017.
The cases are in early phases, with initial motion practice and discovery underway in the Lifescan case. Trial has not been scheduled in either case.


investors in Rust Rare Coin, Inc., alleging that we aided and abetted a Ponzi scheme fraud perpetrated by Rust Rare Coin, a Zions Bank customer. The case follows civil actions and the establishment of a receivership for Rust Rare Coin by The Commodities Futures Trading Commission and the Utah Division of Securities in November 2018, as well as a separate suit brought by the SEC against Rust Rare Coin and its principal, Gaylen Rust. The matter is in the early motion practice state and initial phase discovery has commenced. During the second quarter of 2019, we filed a motion to dismiss. Trial has not been scheduled.
At least quarterly, we review outstanding and new legal matters, utilizing then available information. In accordance with applicable accounting guidance, if we determine that a loss from a matter is probable and the amount of the loss can be reasonably estimated, we establish an accrual for the loss. In the absence of such a determination, no accrual is made. Once established, accruals are adjusted to reflect developments relating to the matters.
In our review, we also assess whether we can determine the range of reasonably possible losses for significant matters in which we are unable to determine that the likelihood of a loss is remote. Because of the difficulty of predicting the outcome of legal matters, discussed subsequently, we are able to meaningfully estimate such a range only for a limited number of matters. Based on information available as of December 31, 2017,2019, we estimated that the aggregate range of reasonably possible losses for those matters to be from $0 millionto roughly $20approximately $35 million in excess of amounts accrued. The matters underlying the estimated range will change from time to time, and actual results may vary significantly from this estimate. Those matters for which a meaningful estimate is not possible are not included within this estimated range and, therefore, this estimated range does not represent our maximum loss exposure.
Based on our current knowledge, we believe that our current estimated liability for litigation and other legal actions and claims, reflected in our accruals and determined in accordance with applicable accounting guidance, is adequate and that liabilities in excess of the amounts currently accrued, if any, arising from litigation and other legal actions and claims for which an estimate as previously described is possible, will not have a material impact on our financial condition, results of operations, or cash flows. However, in light of the significant uncertainties involved in these matters, and the very large or indeterminate damages sought in some of these matters, an adverse outcome in one or more of these matters could be material to our financial condition, results of operations, or cash flows for any given reporting period.
Any estimate or determination relating to the future resolution of litigation, arbitration, governmental or self-regulatory examinations, investigations or actions or similar matters is inherently uncertain and involves significant judgment. This is particularly true in the early stages of a legal matter, when legal issues and facts have not been well articulated, reviewed, analyzed, and vetted through discovery, preparation for trial or hearings, substantive and
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productive mediation or settlement discussions, or other actions. It is also particularly true with respect to class action and similar claims involving multiple defendants, matters with complex procedural requirements or substantive issues or novel legal theories, and examinations, investigations and other actions conducted or brought by governmental and self-regulatory agencies, in which the normal adjudicative process is not applicable. Accordingly, we usually are unable to determine whether a favorable or unfavorable outcome is remote, reasonably likely, or probable, or to estimate the amount or range of a probable or reasonably likely loss, until relatively late in the course of a legal matter, sometimes not until a number of years have elapsed. Accordingly, our judgments and estimates relating to claims will change from time to time in light of developments and actual outcomes will differ from our estimates. These differences may be material.
Related Party Transactions
We have no material related party transactions requiring disclosure. In the ordinary course of business, the Company and its subsidiary bank extendBank extends credit to related parties, including executive officers, directors, principal shareholders, and their associates and related interests. These related party loans are made in compliance with applicable banking regulations.
17. REVENUE RECOGNITION
Adoption of ASC Topic 606, “Revenue from Contracts with Customers”
On January 1, 2018, we adopted the accounting guidance in ASC Topic 606, “Revenue from Contracts with Customers” (“Topic 606”) using the modified retrospective method applied to those contracts with customers for which the performance obligations were not completed as of January 1, 2018. Results for reporting periods beginning after January 1, 2018 are presented under Topic 606, while prior period amounts are not adjusted and continue to be reported in accordance with our historic accounting under Topic 605, “Revenue Recognition.” Upon adoption, the Bank has elected to use the following optional exemptions that are permitted under the Topic 606, which have been applied consistently to all contracts within all reporting periods presented:
The Bank recognizes the incremental cost of obtaining a contract as an expense, when incurred, if the amortization period of the asset that the Bank would have recognized is one year or less.
For performance obligations satisfied over time, if the Bank has a right to consideration from a customer in an amount that corresponds directly with the value to the customer of the Bank’s performance completed to date, the Bank will generally recognize revenue in the amount to which the Bank has a right to invoice.
The Bank does not generally disclose information about its remaining performance obligations for those performance obligations that have an original expected duration of one year or less, or where the Bank recognizes revenue in the amount to which the Bank has a right to invoice.
Revenue Recognition
We derive our revenue primarily from interest income on loans and securities, which was more than three-quarters of our revenue for 2019, and is out of scope of ASC 606. Only noninterest income is considered to be revenue from contracts with customers in scope of ASC 606. Revenue from contracts with customers is recognized when control of the promised goods or services is transferred to our customers, in an amount that reflects the consideration we expect to be entitled to in exchange for those goods or services. The following is a description of revenue from contracts with customers:
Commercial account fees
Commercial account fee income is comprised of account analysis fees, merchant fees, and payroll services income. Revenue is recognized as the services are rendered or upon completion of services.
Card fees
The Bank’s card fee income includes interchange income from credit and debit cards, net fees earned from processing card transactions for merchants, and automated teller machine (“ATM”) services. Card income is recognized as earned. Reward program costs are recorded when the rewards are earned by the customer and presented as a reduction to interchange income.
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16.RETIREMENT PLANS
ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
Retail and business banking fees
Retail and business banking fees typically consist of fees charged for providing customers with deposit services. These fees are primarily comprised of insufficient funds fees, noncustomer ATM charges, and other various fees on deposit accounts. Service charges on deposit accounts include fees earned in lieu of compensating balances, and fees earned for performing cash management services and other deposit account services. Service charges on deposit accounts in this revenue category are recognized over the period in which the related service is provided. Treasury Management fees are billed monthly based on services rendered for the month.
Loan-related fees and income
Loan-related fees and income consists of servicing and sales income on loan accounts as well as other miscellaneous loan-related fees. Service charges on loan accounts are recognized over the period in which the related service is provided, when the service is rendered, or upon completion of the service.
Capital markets and foreign exchange fees
Capital markets and foreign exchange fees primarily consist of mutual fund distribution fees, municipal advisory services, customer swap fees, loan syndication fees, and foreign exchange services provided to customers. Revenue is recognized as the services are rendered or upon completion of services.
Wealth management and trust fees
Wealth management and trust fees is primarily comprised of personal trust income and wealth management commissions, but also is made up of other products such as corporate trust income, portfolio services, and advisory services. Revenue is recognized as the services are rendered or upon completion of services. Financial planning and estate services typically have performance obligations that are greater than 12 months, although the amount of future performance obligations are not significant.
Other customer-related fees
Other customer-related fees consist of miscellaneous income streams, including claims and inventory management services for certain customers. Revenue is recognized as the services are rendered or upon completion of services.
Disaggregation of Revenue
We provide services across different geographical areas, primarily in 11 Western U.S. States, under banking operations that have their own individual brand names, including Zions Bank, Amegy Bank, California Bank & Trust, National Bank of Arizona, Nevada State Bank, Vectra Bank Colorado, and The Commerce Bank of Washington. The operating segment listed as “Other” includes certain nonbank financial services subsidiaries, centralized back-office functions, and eliminations of transactions between the segments.
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In accordance with ASC 606, noninterest income and net revenue by operating segments for 2019 and 2018 are summarized as follows:
Zions BankAmegyCB&T
(In millions)201920182019201820192018
Commercial account fees$42  $42  $34  $34  $23  $22  
Card fees51  50  28  29  16  15  
Retail and business banking fees23  24  17  16  13  14  
Capital markets and foreign exchange fees  16  14    
Wealth management and trust fees17  16  11  10    
Other customer-related fees      
Total noninterest income from contracts with customers (ASC 606)142  141  108  104  63  61  
Other noninterest income (Non-ASC 606 customer related)  30  22  23  19  
Total customer-related fees149  149  138  126  86  80  
Other noninterest income (noncustomer related)  —  —    
Total noninterest income150  150  138  126  88  82  
Other real estate owned income  —  —  —  —  
Net interest income703  673  497  491  522  513  
Total income less interest expense$856  $824  $635  $617  $610  $595  
NBAZNSBVectra
(In millions)201920182019201820192018
Commercial account fees$ $ $ $ $ $ 
Card fees11  10  12  11    
Retail and business banking fees  11  10    
Capital markets and foreign exchange fees      
Wealth management and trust fees      
Other customer-related fees    —  —  
Total noninterest income from contracts with customers (ASC 606)29  30  36  35  19  19  
Other noninterest income (Non-ASC 606 customer related)12       
Total customer-related fees41  39  43  41  26  24  
Other noninterest income (noncustomer related) —  —  —  —  —  
Total noninterest income42  39  43  41  26  24  
Other real estate owned income—  —   —  —  —  
Net interest income227  218  153  144  137  131  
Total income less interest expense$269  $257  $197  $185  $163  $155  
TCBWOtherConsolidated Bank
(In millions)201920182019201820192018
Commercial account fees$ $ $(1) $—  $121  $122  
Card fees    127  125  
Retail and business banking fees—  —    78  78  
Capital markets and foreign exchange fees—  —    34  30  
Wealth management and trust fees —  18  14  57  51  
Other customer-related fees—  —   16  18  24  
Total noninterest income from contracts with customers (ASC 606)  34  36  435  430  
Other noninterest income (Non-ASC 606 customer related)    90  78  
Total customer-related fees  37  44  525  508  
Other noninterest income (noncustomer related)—  —  33  41  37  44  
Total noninterest income  70  85  562  552  
Other real estate owned income—  —  —  —    
Net interest income54  53  (21)  2,272  2,230  
Total income less interest expense$59  $58  $49  $92  $2,838  $2,783  
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Prior to the adoption of ASC 606, noninterest income and net revenue by operating segments for 2017 are summarized as follows:
Zions BankAmegyCB&T
(In millions)201720172017
Commercial account fees$46  $33  $22  
Card fees27  19  10  
Retail and business banking fees25  16  14  
Loan-related fees and income21  23  12  
Capital markets and foreign exchange fees 16  10  
Wealth management and trust fees15    
Other customer-related fees —   
Total customer-related fees146  116  74  
Other noninterest income —   
Total noninterest income148  116  75  
Other real estate owned income (loss)—  —  (1) 
Net interest income605  453  455  
Total income less interest expense$753  $569  $529  
NBAZNSBVectra
(In millions)201720172017
Commercial account fees$ $ $ 
Card fees11  13   
Retail and business banking fees 10   
Loan-related fees and income   
Capital markets and foreign exchange fees   
Wealth management and trust fees   
Other customer-related fees —   
Total customer-related fees39  39  24  
Other noninterest income—  —   
Total noninterest income39  39  25  
Other real estate owned income (loss)—  —  —  
Net interest income191  123  121  
Total income less interest expense$230  $162  $146  
TCBWOtherConsolidated Bank
(In millions)201720172017
Commercial account fees$ $—  $126  
Card fees  96  
Retail and business banking fees—  —  78  
Loan-related fees and income—   72  
Capital markets and foreign exchange fees  49  
Wealth management and trust fees—  14  47  
Other customer-related fees—  12  22  
Total customer-related fees 47  490  
Other noninterest income—  50  54  
Total noninterest income 97  544  
Other real estate owned income (loss)—  —  (1) 
Net interest income44  73  2,065  
Total income less interest expense$49  $170  $2,608  
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Revenue from contracts with customers did not generate significant contract assets and liabilities. Contract receivables are included in Other Assets. Payment terms vary by services offered, and the timing between completion of performance obligations and payment is typically not significant.
18. RETIREMENT PLANS
Defined Benefit Plans
Pension – This qualified noncontributory defined benefit plan is frozen to new participation. No service-related benefits have been accrued since July 1, 2013. All participants in the Plan are currently 100% vested in their benefits. PlanFor 2019 plan assets consist principally of fixed-income investments and cash instruments. For 2018 plan assets consist principally of corporate equity securities, mutual fund investments, real estate, and fixed incomefixed-income investments. Plan benefits are paid as a lump-sum cash value or an annuity at retirement age. Contributions to the plan are based on actuarial recommendation and pension regulations.Although there There was no


minimum regulatory contribution required in 20172019 and 2016, we elected to contribute$4 million to the pension plan in 2016.2018. Currently, it is expected thatthat no minimumminimum regulatory contributions will be required in 2018.2020.
In October 2018, we announced the termination of the pension plan subject to obtaining necessary regulatory approval. Completion of this termination is expected in mid-2020.
Supplemental Retirement These unfunded, nonqualified plans are for certain current and former employees. Each year, CompanyBank contributions to these plans are made in amounts sufficient to meet benefit payments to plan participants.
Postretirement Medical/Life This unfunded health care and life insurance plan provides postretirement medical benefits to certain full-time employees who meet minimum age and service requirements. The plan also provides specified life insurance benefits to certain employees. The plan is contributory with retiree contributions adjusted annually, and contains other cost-sharing features such as deductibles and coinsurance. Plan coverage is provided by self-funding or health maintenance organization options. Our contribution towardstoward the retiree medical premium has been permanently frozen at an amount that does not increase in any future year. Retirees pay the difference between the full premium rates and our capped contribution.
Because our contribution rate is capped, there is no effect on the postretirement plan from assumed increases or decreases in health care cost trends. Each year, CompanyBank contributions to the plan are made in amounts sufficient to meet the portion of the premiums that are the Company’sBank’s responsibility.
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The following presents the change in benefit obligation, change in fair value of plan assets, and funded status, of the plans and amounts recognized in the balance sheet as of the measurement date of December 31:
Pension Supplemental
Retirement
 PostretirementPension  Supplemental
Retirement 
 Postretirement  
(In millions)2017 2016 2017 2016 2017 2016(In millions)2019  2018  2019  2018  2019  2018  
Change in benefit obligation:           Change in benefit obligation:
Benefit obligation at beginning of year$165
 $173
 $10
 $10
 $1
 $1
Benefit obligation at beginning of year$138  $154  $ $10  $ $ 
Interest cost6
 7
 1
 1
 
 
Interest cost  —  —  —  —  
Actuarial loss (gain)2
 (2) 
 
 
 
Actuarial loss (gain) (10) —  —  —  —  
Benefits paid(19) (13) (1) (1) 
 
Benefits paid(11) (12) (1) (1) —  —  
Benefit obligation at end of year154
 165
 10
 10
 1
 1
Benefit obligation at end of year140  138      
Change in fair value of plan assets:           Change in fair value of plan assets:
Fair value of plan assets at beginning of year161
 157
 
 
 
 
Fair value of plan assets at beginning of year157  168  —  —  —  —  
Actual return on plan assets26
 13
 
 
 
 
Actual return on plan assets25   —  —  —  —  
Employer contributions
 4
 1
 1
 
 
Employer contributions—  —    —  —  
Benefits paid(19) (13) (1) (1) 
 
Benefits paid(11) (12) (1) (1) —  —  
Fair value of plan assets at end of year168
 161
 
 
 
 
Fair value of plan assets at end of year171  157  —  —  —  —  
Funded status$14
 $(4) $(10) $(10) $(1) $(1)Funded status$31  $19  $(8) $(9) $(1) $(1) 
Amounts recognized in balance sheet:           Amounts recognized in balance sheet:
Asset (liability) for pension/postretirement benefits$14
 $(4) $(10) $(10) $(1) $(1)Asset (liability) for pension/postretirement benefits$31  $19  $(8) $(9) $(1) $(1) 
Accumulated other comprehensive income (loss)(28) (48) (2) (2) 
 
Accumulated other comprehensive income (loss)(17) (27) (2) (2) —  —  
Accumulated other comprehensive income (loss) consists of:           
Net loss$(28) $(48) $(2) $(2) $
 $
The pension asset and the liability for supplement retirement/postretirement benefits are included in other assets and other liabilities, respectively, in the balance sheet. The accumulated benefit obligation is the same as the benefit obligation shown in the preceding schedule. During the third quarter of 2017, the Company revised its pension plan to offer certain participants a temporary opportunity to make an election to receive an immediate distribution from the pension plan. The window was available between August 1, 2017 and November 24, 2017. The impact of these distributions is included in “benefits paid” in the preceding schedule and in “settlement loss” shown in the net period benefit cost (credit) schedule.

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The amounts in AOCI (loss) at December 31, 20172019 expected to be recognized as an expense component of net periodic benefit cost in 20182020 for the plans are estimated as follows:
(In millions)Pension Supplemental
Retirement
 Postretirement
      
Net loss$(2) $
 $
(In millions)PensionSupplemental
Retirement
Postretirement
Net loss$(17)$— $— 
The following presents the components of net periodic benefit cost (credit) for the plans:
Pension Supplemental
Retirement
 PostretirementPensionSupplemental
Retirement
Postretirement
(In millions)2017 2016 2015 2017 2016 2015 2017 2016 2015(In millions)2019  2018  2017  2019  2018  2017  2019  2018  2017  
                 
Interest cost$6
 $7
 $7
 $1
 $1
 $1
 $
 $
 $
Interest cost$ $ $ $—  $—  $ $—  $—  $—  
Expected return on plan assets(11) (11) (12) 
 
 
 
 
 
Expected return on plan assets(9) (11) (11) —  —  —  —  —  —  
Amortization of net actuarial loss4
 6
 6
 
 
 
 
 
 
Amortization of net actuarial loss—    —  —  —  —  —  —  
Settlement loss3
 2
 
 
 
 
 
 
 
Settlement loss   —  —  —  —  —  —  
Net periodic benefit cost$2
 $4
 $1
 $1
 $1
 $1
 $
 $
 $
Net periodic benefit cost$(3) $(3) $ $—  $—  $ $—  $—  $—  
Weighted average assumptions based on the pension plan are the same where applicable for each of the plans and are as follows:
2017 2016 2015201920182017
Used to determine benefit obligation at year-end:     Used to determine benefit obligation at year-end:
Discount rate3.50% 4.10% 4.20%Discount rate3.20 %4.20 %3.50 %
Used to determine net periodic benefit cost for the years ended December 31:     Used to determine net periodic benefit cost for the years ended December 31:
Discount rate4.10
 4.20
 3.95
Discount rate4.20  3.50  4.10  
Expected long-term return on plan assets7.25
 7.50
 7.50
Expected long-term return on plan assets5.25  5.75  7.25  
The discount rate reflects the yields available on long-term, high-quality fixed incomefixed-income debt instruments with cash flows similar to the obligations of the pension plan, and is reset annually on the measurement date. The expected long-term rate of return on plan assets is based on a review of the target asset allocation of the plan. This rate is
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intended to approximate the long-term rate of return that we anticipate receiving on the plan’s investments, considering the mix of the assets that the plan holds as investments, the expected return on these underlying investments, the diversification of these investments, and the rebalancing strategies employed. An expected long-term rate of return is assumed for each asset class and an underlying inflation rate assumption is determined.
Benefit payments to the plans’ participants are estimated as followsin the following schedule for the years succeeding December 31, 2017:2019. If the necessary regulatory approvals are obtained, and the pension plan is terminated, there would not be payments made by the Bank to plan participants after termination of the plan.
(In millions)PensionSupplemental
Retirement
Postretirement
2020  $10  $ $—  
2021    —  
2022    —  
2023    —  
2024    —  
Years 2025 – 202939   —  
(In millions)Pension Supplemental
Retirement
 Postretirement
      
2018$10
 $2
 $
201910
 1
 
202010
 1
 
202110
 1
 
20229
 1
 
Years 2023 - 202745
 3
 
We are also obligated under other supplemental retirement plans for certain current and former employees. Our liability for these plans was $6were $5 million atduring both December 31, 20172019 and 2016, respectively.2018.
For the pension plan, the investment strategy is predicated on its investment objectives and the risk and return expectations of asset classes appropriate for the plan. Investment objectives have been established by considering the plan’s liquidity needs and time horizon and the fiduciary standards under the Employee Retirement Income Security Act of 1974. The asset allocation strategy is developed to meet the plan’s long-termupcoming settlement needs, in connection with the plan's termination, in a manner

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designed to control volatility and to reflect risk tolerance. Target investment allocation percentages asAs of December 31, 2017 are 65% in equity, 30%2019, the plan is entirely invested in fixed income and cash and 5%instruments, in real estate assets.a strategy designed to reasonably track the duration of the investments with that of the liability.
The following presents the fair values of pension plan investments according to the fair value hierarchy described in Note 3, and the weighted average allocations:
(In millions)December 31, 2017 December 31, 2016(In millions)December 31, 2019December 31, 2018
Level 1 Level 2 Level 3 Total Level 1 Level 2 Level 3 TotalLevel 1Level 2Level 3TotalLevel 1Level 2Level 3Total
           
Company common stock$12
   $12
 $10
   $10
Bank common stockBank common stock$—  $—  $—  $—  $10  $—  $—  $10  
Mutual funds:           Mutual funds:
Debt7
   7
 6
   6
Debt—  —  —  —  —  —  —  —  
Guaranteed deposit account  $9
 9
   $11
 11
Guaranteed deposit account—  —  $  —  —  $12  12  
In addition to the investments listed in the previous schedule, as of December 31, 2017,2019, pension plan investments valued using NAV as the practical expedient for fair value consist of $97$166 million in debt investments in pooled separate accounts. As of December 31, 2018, pension plan investments valued using NAV as the practical expedient for fair value consist of $15 million in equity investments, $31and $116 million in debt investments, and $8 million in real estate investments, which are in pooled separate accounts, as well as $4 million in limited partnerships. As of December 31, 2016, pension plan investments valued using NAV as the practical expedient for fair value consist of $92 million in equity investments, $29 million in debt instruments, and $8 million in real estate investments, which are in pooled separate accounts, as well as $5 million in limited partnerships.
No transfers of assets occurred among Levels 1, 2 or 3 during 20172019 or 2016.2018.
The following describes the pension plan investments and the valuation methodologies used to measure their fair value:
CompanyBank common stock – Shares of the Company’sBank’s common stock are valued at the last reported sales price on the last business day of the plan year in the active market where individual securities are traded.
Mutual funds – These funds are valued at quoted market prices which represent the NAVs of shares held by the plan at year-end.
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Insurance company pooled separate accounts – These funds are invested in by more than one investor. They are offered through separate accounts of the trustee’s insurance company and managed by internal and professional advisors. Participation units in these accounts are valued at the NAV as the practical expedient for fair value as determined by the insurance company.
Guaranteed deposit account – This account is a group annuity product issued by the trustee’s insurance company with guaranteed crediting rates established at the beginning of each calendar year. The account balance is stated at fair value as estimated by the trustee. The account is credited with deposits made, plus earnings at guaranteed crediting rates, less withdrawals and administrative expenses. The underlying investments generally include investment-grade public and privately traded debt securities, mortgage loans and, to a lesser extent, real estate and other equity investments. Market value adjustments are applied at the time of redemption if certain withdrawal limits are exceeded.

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Additional fair value quantitative information for the guaranteed deposit account is as follows:
Principal valuation techniquesSignificant unobservable inputsRange (weighted average)
of significant input values
Principal valuation techniquesSignificant unobservable inputs
Range (weighted average)
of significant input values
For the underlying investments – reported fair values when available for market traded investments; when not applicable, discounted cash flows under an income approach using U.S. Treasury rates and spreads based on cash flow timing and quality of assets.Earnings at guaranteed crediting rateGross guaranteed crediting rate must be greater than or equal to contractual minimum crediting rate
Composite market value factorAt December 31,
20170.99294120191.017905 - 1.0378251.053874 (actual = 1.023838)1.049618)
201620180.9790090.962521 - 1.0368661.005471 (actual = 1.021418)0.994488)
The Company’s Benefits Committee evaluates the methodology and factors used, including review of the contract, economic conditions, industry and market developments, and overall credit ratings of the underlying investments.
Limited partnerships – These partnerships invest in limited partnerships, limited liability companies, or similar investment vehicles that consist of PEIs in a wide variety of investment types, including venture and growth capital, real estate, energy and natural resources, and other private investments. The plan’s investments are valued by the limited partnerships at NAV as the practical expedient for fair value. The estimation process takes into account the plan’s proportional interests credited with realized and unrealized earnings from the underlying investments and charged for operating expenses and distributions. Investments are increased by capital calls
The Bank’s Benefits Committee evaluates the methodology and are partfactors used, including review of anthe contract, economic conditions, industry and market developments, and overall capital commitment bycredit ratings of the plan of up to approximately $9 million at December 31, 2017.underlying investments.
The following presents additional information as of December 31, 20172019 and 20162018 for the pooled separate accounts and limited partnerships whose fair values under Levels 2 and 3 are based on NAV per share:
Investment
Unfunded commitments
(in millions, approximately)
Redemption
FrequencyNotice period
Pooled separate accountsnaDaily< $1 million, 1 day
>= $1 million, 3 days
Limited partnerships$— Investments in these limited partnerships are illiquid and voluntary withdrawal is prohibited.
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Unfunded commitments
(in millions, approximately)
 Redemption
  Frequency Notice period
       
Pooled separate accounts na Daily 
< $1 million, 1 day
>= $1 million, 3 days
      
Limited partnerships $1
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The following reconciles the beginning and ending balances of assets measured at fair value on a recurring basis using Level 3 inputs:
Guaranteed deposit account
Year Ended December 31,
(In millions)20192018
Balance at beginning of year$12  $ 
Purchases 15  
Sales(11) (12) 
Balance at end of year$ $12  
 Level 3 Instruments
 Year Ended December 31,
 2017 2016
(In millions)Guaranteed deposit account
    
Balance at beginning of year$11
 $9
Purchases17
 15
Sales(19) (13)
Balance at end of year$9
 $11
Shares of CompanyBank common stock were 0 at December 31, 2019, and 233,849 at both December 31, 2017 and 2016.2018. Dividends received by the plan were not significant in 20172019 and 2016.2018.
Defined Contribution Plan
The CompanyBank offers a 401(k) and employee stock ownership plan under which employees select from several investment alternatives. Employees can contribute up to 80% of their earnings subject to the annual maximum

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allowed contribution. The CompanyBank matches 100% of the first 3% of employee contributions and 50% of the next 2%3% of employee contributions. Matching contributions to participants, which were shares of the Company’sBank’s common stock purchased in the open market, amounted to $33 million, $29 million, and $26 million in 2019, 2018 and 2017 2016, and 2015.respectively.
The 401(k) plan also has a noncontributory profit sharing feature which is discretionary and may range from 0% to 4%3.5% of eligible compensation based upon the Company’sBank’s return on average common equity for the year. The profit sharingprofit-sharing expense was computed at a contribution rate of 2.25%, 2.50%, and 1.75% in 2019, 2018, and 2017, 1% in 2016, and 1% in 2015.respectively. The profit sharingprofit-sharing expense was $16 million, $17 million, and $11 million in 2019, 2018, and 2017, and $6 million in both 2016 and2015.respectively. The profit sharingprofit-sharing contribution to participants consisted of shares of the Company’sBank’s common stock purchased in the open market.
17.SHARE-BASED COMPENSATION
19. SHARE-BASED COMPENSATION
We have a share-based compensation incentive plan which allows us to grant stock options, restricted stock, RSUs, and other awards to employees and non-employeenonemployee directors. Total shares authorized under the plan were 9,000,000 at December 31, 2017,2019, of which 5,009,2483,667,621 were available for future grants.
All share-based payments to employees, including grants of employee stock options, are recognized in the statement of income based on their grant date values. The value of an equity award is estimated on the grant date using a fair value-based model without regard to service or performance vesting conditions, but does consider post-vesting restrictions.
We classify all share-based awards as equity instruments. Compensation expense is included in salaries and employee benefits in the statement of income, with the corresponding increase included in common stock.additional paid-in capital. Substantially all awards of stock options, restricted stock, and RSUs have graded vesting that is recognized on a straight-line basis over the vesting period.
Compensation expense and the related tax benefit for all share-based awards were as follows:
(In millions)2017 2016 2015(In millions)2019  2018  2017  
     
Compensation expense$25
 $26
 $25
Compensation expense$27  $26  $25  
Reduction of income tax expense19
 9
 8
Reduction of income tax expense11  14  19  
During 2017, as a result of our adoption of ASU 2016-09, the tax effects recognized from the exercise of stock options and the vesting of restricted stock and RSUs waswere recorded as a $9 million reduction of income tax expense. Income tax was reduced by $5 million and $8 million during 2019 and 2018, respectively, as a result of applying this new accounting standard. Also, upon the adoption of ASU 2016-09, we elected to account for forfeitures of
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share-based compensation awards as they occur, rather than estimating forfeitures as was previously done. There was no material impact from the cumulative effect adjustment to retained earnings from this change.
Prior to our adoption of ASU 2016-09, the tax effects recognized from the exercise of stock options and the vesting of restricted stock and RSUs increased common stock by approximately $2 million in 2016 and decreased common stock by approximately $1 million in 2015. These amounts are included in the net activity under employee plans and related tax benefits in the statement of changes in shareholders’ equity.
During 2017, weWe reduced share-based compensation expense by $1 million during 2019, 2018, and 2017, respectively, as a result of using a valuation model to estimate a liquidity discount on RSUs with post-vesting restrictions.
As of December 31, 2017,2019, compensation expense not yet recognized for nonvested share-based awards was approximately $26 million, which is expected to be recognized over a weighted average period of 2.32.5 years.

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Stock Options
Stock options granted to employees generally vest at the rate of one third each year and expire seven years after the date of grant. For all stock options granted in 2017, 2016,2019, 2018, and 2015,2017, we used the Black-Scholes option pricing model to estimate the grant date value of stock options in determining compensation expense. The following summarizes the weighted average value at grant date and the significant assumptions used in applying the Black-Scholes model for options granted:
2017 2016 20152019  2018  2017  
Weighted average value for options granted$10.69
 $5.24
 $6.17
Weighted average value for options granted$10.30  $12.64  $10.69  
Weighted average assumptions used:     Weighted average assumptions used:
Expected dividend yield1.8% 1.3% 1.3%Expected dividend yield2.5 %2.0 %1.8 %
Expected volatility30.0% 30.0% 25.0%Expected volatility26.0 %27.5 %30.0 %
Risk-free interest rate1.81% 1.21% 1.57%Risk-free interest rate2.52 %2.62 %1.81 %
Expected life (in years)5.0
 5.0
 5.0
Expected life (in years)5.05.05.0
The assumptions for expected dividend yield, expected volatility, and expected life reflect management’s judgment and include consideration of historical experience. Expected volatility is based in part on historical volatility. The risk-free interest rate is based on the U.S. Treasury yield curve in effect at the time of grant for periods corresponding with the expected life of the option.
The following summarizes our stock option activity for the three years ended December 31, 2017:2019:
Number of sharesWeighted average exercise price
Balance at December 31, 2016  3,437,910  $26.44  
Granted195,882  44.18  
Exercised(941,761) 26.03  
Expired(58,257) 66.20  
Forfeited(73,203) 25.63  
Balance at December 31, 20172,560,571  27.06  
Granted194,001  55.13  
Exercised(729,346) 26.79  
Expired(2,000) 25.74  
Forfeited(18,628) 31.11  
Balance at December 31, 20182,004,598  29.85  
Granted256,818  50.80  
Exercised(569,808) 24.61  
Expired(4,330) 22.37  
Forfeited(10,500) 43.13  
Balance at December 31, 20191,676,778  34.77  
Outstanding stock options exercisable as of:
December 31, 20191,239,821  $28.95  
December 31, 20181,448,244  26.68  
December 31, 20171,648,367  26.55  
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 Number of shares Weighted average exercise price
    
Balance at December 31, 20145,630,502
 $31.60
Granted740,300
 29.01
Exercised(1,165,287) 25.11
Expired(1,322,067) 48.44
Forfeited(79,353) 28.09
Balance at December 31, 20153,804,095
 27.30
Granted789,651
 21.25
Exercised(1,055,532) 23.75
Expired(56,297) 61.60
Forfeited(44,007) 27.66
Balance at December 31, 20163,437,910
 26.44
Granted195,882
 44.18
Exercised(941,761) 26.03
Expired(58,257) 66.20
Forfeited(73,203) 25.63
Balance at December 31, 20172,560,571
 27.06
Outstanding stock options exercisable as of:   
December 31, 20171,648,367
 $26.55
December 31, 20161,892,136
 27.60
December 31, 20152,187,259
 26.35
We issue new authorized common shares for the exercise of stock options. The total intrinsic value of stock options exercised was approximately $13 million in 2019, $20 million in 2018, and $17 million in 2017, $10 million in 2016, and $7 million in 2015.2017. Cash received from the exercise of stock options was $13 million in 2019, $18 million in 2018, and $23 million in 2017, $24 million in 2016, and $23 million in 2015.

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2017.
Additional selected information on stock options at December 31, 20172019 follows:
Outstanding stock optionsExercisable stock options
 Exercise price range Number of sharesWeighted average exercise priceWeighted average remaining contractual life (years) Number of sharesWeighted average exercise price
$ 0.32 to $19.9919,496  $4.89  
1

19,496  $4.89  
$20.00 to $24.99312,029  21.03  3.1312,029  21.03  
$25.00 to $29.99711,794  28.36  1.7711,794  28.36  
$30.00 to $39.9922,225  30.10  1.422,225  30.10  
$40.00 to $44.99174,737  44.12  4.0110,657  44.11  
$50.00 to $55.68436,497  52.90  5.663,620  55.13  
1,676,778  34.77  
1
3.2

1,239,821  28.95  
  Outstanding stock options Exercisable stock options
 Exercise price range  Number of shares Weighted average exercise price Weighted average remaining contractual life (years)  Number of shares Weighted average exercise price
             
$ 0.32 to $19.99 198,402
 $17.39
  1.4
1 
 198,402
 $17.39
$20.00 to $24.99 744,058
 21.50
  4.3  276,953
 22.33
$25.00 to $29.99 1,346,781
 28.35
  3.5  1,094,021
 28.30
$30.00 to $39.99 32,191
 30.10
  3.4  32,191
 30.10
$40.00 to $44.99 192,339
 44.17
  6.1  
 
$45.00 to $47.10 46,800
 47.10
  0.3  46,800
 47.10
  2,560,571
 27.06
  3.7
1 
 1,648,367
 26.55
1The weighted average remaining contractual life excludes 19,496 stock options without a fixed expiration date that were assumed with the Amegy acquisition. They expire between the date of termination and one year from the date of termination, depending upon certain circumstances.
1
The weighted average remaining contractual life excludes 21,252 stock options without a fixed expiration date that were assumed with the Amegy acquisition. They expire between the date of termination and one year from the date of termination, depending upon certain circumstances.
The aggregate intrinsic value of outstanding stock options at December 31, 20172019 and 20162018 was $61$29 million and $59$25 million,, respectively, while the aggregate intrinsic value of exercisable options was $40$29 million and $31$21 million at the same respective dates. For exercisable options, the weighted average remaining contractual life was 2.92.4 years and 3.02.7 years at December 31, 20172019 and 2016,2018, respectively, excluding the stock options previously noted without a fixed expiration date. At December 31, 2017, 912,2042019, 432,266 stock options with a weighted average exercise price of $27.99,$51.28, a weighted average remaining life of 5.15.5 years, and an aggregate intrinsic value of $21$1 million, were expected to vest.
Restricted Stock and Restricted Stock Units
Restricted stock is common stock with certain restrictions that relate to trading and the possibility of forfeiture. Generally, restricted stock vests over four years. Holders of restricted stock have full voting rights and receive dividend equivalents during the vesting period. In addition, holders of restricted stock can make an election to be subject to income tax on the grant date rather than the vesting date.
RSUs represent rights to one share of common stock for each unit and generally vest over four years. Holders of RSUs receive dividend equivalents during the vesting period, but do not have voting rights.
Compensation expense is determined based on the number of restricted shares or RSUs granted and the market price of our common stock at the issue date.
During 2017, 2016,2019, 2018, and 2015,2017, we granted 20,711, 32,310,19,116, 14,796, and 31,08020,711 RSUs, respectively, to non-employeenonemployee directors. The RSUs vested immediately upon grant.

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The following summarizes our restricted stock activity for the three years ended December 31, 2017:2019:
Number of sharesWeighted average issue price
Number of shares Weighted average issue price
Nonvested restricted shares at December 31, 2016Nonvested restricted shares at December 31, 201663,255  $25.43  
IssuedIssued314  44.55  
VestedVested(24,591) 24.90  
   
Nonvested restricted shares at December 31, 2014161,220
 $21.82
Nonvested restricted shares at December 31, 2017Nonvested restricted shares at December 31, 201738,978  25.91  
Issued22,441
 29.02
Issued21,634  42.90  
Vested(123,161) 22.32
Vested(14,836) 26.27  
Forfeited(1,130) 23.54
Forfeited(90) 55.68  
Nonvested restricted shares at December 31, 201559,370
 23.49
Nonvested restricted shares at December 31, 2018Nonvested restricted shares at December 31, 201845,686  33.78  
Issued36,594
 24.43
Issued24,994  42.83  
Vested(32,709) 20.80
Vested(20,223) 30.69  
Nonvested restricted shares at December 31, 201663,255
 25.43
Issued314
 44.55
Vested(24,591) 24.90
Nonvested restricted shares at December 31, 201738,978
 25.91
Nonvested restricted shares at December 31, 2019Nonvested restricted shares at December 31, 201950,457  39.50  
The following summarizes our RSU activity for the three years ended December 31, 2017:2019:
Number of restricted stock unitsWeighted average grant price
Restricted stock units at December 31, 20162,047,158  $25.08  
Granted587,396  41.78  
Vested(803,492) 26.19  
Forfeited(121,249) 28.12  
Restricted stock units at December 31, 20171,709,813  30.08  
Granted461,305  53.17  
Vested(699,920) 29.56  
Forfeited(70,499) 35.95  
Restricted stock units at December 31, 20181,400,699  37.65  
Granted536,489  47.85  
Vested(614,968) 33.74  
Forfeited(28,150) 44.69  
Restricted stock units at December 31, 20191,294,070  43.59  
 Number of restricted stock units Weighted average grant price
    
Restricted stock units at December 31, 20141,769,420
 $25.64
Granted790,929
 29.06
Vested(673,385) 24.78
Forfeited(88,421) 27.17
Restricted stock units at December 31, 20151,798,543
 27.39
Granted1,033,167
 21.69
Vested(724,713) 25.88
Forfeited(59,839) 26.28
Restricted stock units at December 31, 20162,047,158
 25.08
Granted587,396
 41.78
Vested(803,492) 26.19
Forfeited(121,249) 28.12
Restricted stock units at December 31, 20171,709,813
 30.08
The total value at grant date of restricted stock and RSUs vested during the year was $21 million in both 2019 and 2018, and $22 million in 2017 and $19 million in both 2016 and 2015.2017. At December 31, 2017, 38,9782019, 50,457 shares of restricted stock and 1,181,384813,705 RSUs were expected to vest with an aggregate intrinsic value of $2$3 million and $60$42 million, respectively.
18.INCOME TAXES
20. INCOME TAXES
Income tax expense is summarized as follows:
(In millions)2017 2016 2015(In millions)201920182017
Federal:     Federal:
Current$166
 $217
 $158
Current$195  $210  $166  
Deferred146
 (4) (32)Deferred(1) (1) 146  
Total Federal312
 213
 126
Total Federal194  209  312  
State:     State:
Current24
 27
 14
Current44  49  24  
Deferred8
 (4) 2
Deferred(1)   
Total State32
 23
 16
Total State43  50  32  
Total$344
 $236
 $142
Total$237  $259  $344  

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Income tax expense computed at the statutory federal income tax rate of 21% for both 2019 and 2018, and 35% for 2017 reconciles to actual income tax expense as follows:
(In millions)2017 2016 2015(In millions)201920182017
     
Income tax expense at statutory federal rate$327
 $247
 $158
Income tax expense at statutory federal rate$221  $240  $327  
State income taxes including credits, net21
 15
 10
State income taxes including credits, net34  40  21  
Other nondeductible expenses3
 3
 3
Other nondeductible expenses13  15   
Nontaxable income(33) (25) (20)Nontaxable income(28) (24) (33) 
Share-based compensation(8) 
 
Share-based compensation(4) (7) (8) 
Tax credits and other taxes1
 (2) (3)Tax credits and other taxes —   
Tax Cuts and Jobs Act of 201747
 
 
Tax Cuts and Jobs Act of 2017—  (2) 47  
Other(14) (2) (6)Other—  (3) (14) 
Total$344
 $236
 $142
Total$237  $259  $344  
The tax effects of temporary differences that give rise to significant portions of the deferred tax assets (“DTA”) and deferred tax liabilities are presented below:
(In millions)December 31,(In millions)December 31,
2017 201620192018
Gross deferred tax assets:   Gross deferred tax assets:
Book loan loss deduction in excess of tax$143
 $241
Book loan loss deduction in excess of tax$137  $137  
Pension and postretirement8
 19
Pension and postretirement  
Deferred compensation48
 87
Deferred compensation72  70  
Security investments and derivative fair value adjustments40
 57
Security investments and derivative fair value adjustments—  78  
Net operating losses, capital losses and tax credits2
 5
Net operating losses, capital losses and tax credits—   
FDIC-supported transactions2
 5
Lease liabilitiesLease liabilities61  —  
Other34
 46
Other35  31  
277
 460
310  325  
Valuation allowance(2) (4)Valuation allowance—  —  
Total deferred tax assets275
 456
Total deferred tax assets310  325  
Gross deferred tax liabilities:   Gross deferred tax liabilities:
Core deposits and purchase accounting
 (1)
Premises and equipment, due to differences in depreciation(51) (8)Premises and equipment, due to differences in depreciation(66) (61) 
Federal Home Loan Bank stock dividends(3) (4)Federal Home Loan Bank stock dividends(2) (2) 
Leasing operations(52) (75)Leasing operations(52) (54) 
Prepaid expenses(5) (7)Prepaid expenses(6) (6) 
Prepaid pension reserves(11) (17)Prepaid pension reserves(12) (12) 
Mortgage servicing(7) (10)Mortgage servicing(7) (8) 
Subordinated debt modification(9) (31)
Security investments and derivative fair value adjustmentsSecurity investments and derivative fair value adjustments(17) —  
Deferred loan fees(23) (25)Deferred loan fees(30) (27) 
ROU assetsROU assets(55) —  
Equity investments(21) (28)Equity investments(26) (25) 
Total deferred tax liabilities(182) (206)Total deferred tax liabilities(273) (195) 
Net deferred tax assets$93
 $250
Net deferred tax assets$37  $130  
On December 22, 2017, H.R. 1, known as the Tax Cuts and Jobs Act (“the Act”), was signed into law. The Act makesmade significant changes to the U.S. Internal Revenue Code of 1986, including a decrease in the current corporate federal income tax rate to 21% from 35%, effective January 1, 2018. In conjunction with the enactment of the Act, the SEC issued Staff Accounting Bulletin No. 118 (“SAB 118”) to address the accounting for certain income tax effects of the Act that may not be complete by the time financial statements are issued. The CompanyBank evaluated all available information and made reasonable estimates of the impact of the Act to substantially all components of its net DTA.deferred taxes. The provisional impact of the Act on the net DTAdeferred taxes resulted in a non-cashnoncash charge of $47 million recorded through income tax expense. The Company anticipates that additional adjustmentsexpense in 2017 related to net DTA and income tax

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expense may be made in 2018 as the Company’s initial determination of the tax basis of deferred items such as foregone interest, equity investments in flow-through entities, certain employee compensation arrangements, FDIC-supported transactions and premises and equipment are finalized. These adjustments will be recordedequipment.
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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
During 2018 after filing its 2017 federal and state tax returns, the Bank finalized its analysis of all net DTAs that existed at December 31, 2017 and made a $(2) million tax benefit adjustment on net DTAs as a result of the Act. This adjustment offset the provisional amount of $47 million recognized in 2017 to deferred tax expense, resulting in an overall adjustment of $45 million to net DTAs from the Act. The Bank complied with the requirements of SAB 118 as all impacts of the Act were recognized in the financial statements in the reporting period when such adjustments are determined; however, SAB 118 requires all impacts from the Act to be recorded prior to December 22, 2018, which is one year from the enactment date of the Act.2018.
In 2017, the CompanyBank early adopted the guidance in ASU 2018-02, which allows reclassification from AOCI to retained earnings for the stranded tax effects related to the change in the corporate income tax rate from the Act. The early adoption of the guidance resulted in a $25 million increase to retained earnings out of AOCI as of December 31, 2017.
The amount of net DTAs is included with other assets in the balance sheet. The $2 million and $4 millionThere is no valuation allowancesallowance at December 31, 2017 and 2016, respectively, were2019. The less than $1 million valuation allowance at December 31, 2018 was for certain acquired net operating loss carryforwards included in our acquisition of the remaining interests in a less significant subsidiary. At December 31, 2017, excluding the $2 million,2019, the tax effect of remaining net operating loss and tax credit carryforwardscarryforward was less than $1 million expiring through 2030.
We evaluate the DTAs on a regular basis to determine whether an additionala valuation allowance is required. In conducting this evaluation, we have considered all available evidence, both positive and negative, based on the more likely than not criteria that such assets will be realized. This evaluation includes, but is not limited to: (1) available carryback potential to prior tax years; (2) potential future reversals of existing deferred tax liabilities, which historically have a reversal pattern generally consistent with DTAs; (3) potential tax planning strategies; and (4) future projected taxable income. Based on this evaluation, and considering the weight of the positive evidence compared to the negative evidence, we have concluded that an additionala valuation allowance is not required as of December 31, 2017.2019.
We have a liability for unrecognized tax benefits relating to uncertain tax positions for tax credits on technology initiatives.initiatives and certain accrued expenses. A reconciliation of the beginning and ending amount of gross unrecognized tax benefits is as follows:
(In millions)201920182017
Balance at beginning of year$ $ $ 
Tax positions related to current year:
Additions   
Reductions—  —  —  
Tax positions related to prior years:
Additions   
Reductions—  —  —  
Settlements with taxing authorities—  —  —  
Lapses in statutes of limitations—  —  —  
Balance at end of year$14  $ $ 
(In millions)2017 2016 2015
      
Balance at beginning of year$4
 $5
 $3
Tax positions related to current year:     
Additions1
 1
 1
Reductions
 
 
Tax positions related to prior years:     
Additions1
 1
 1
Reductions
 
 
Settlements with taxing authorities
 
 
Lapses in statutes of limitations
 (3) 
Balance at end of year$6
 $4
 $5
At December 31, 20172019 and 2016,2018, the liability for unrecognized tax benefits included approximately $5$10 million and $3$7 million, respectively (net of the federal tax benefit on state issues) that, if recognized, would affect the effective tax rate. The amount of gross unrecognized tax benefits related to tax credits on technology initiatives that may increase or decrease during the 12 months subsequent to December 31, 2017,2019, is dependent on the timing and outcome of various federal and state examinations.examinations that are ongoing. It is expected that an unrecognized tax benefit related to certain accrued expenses will decrease during the 12 months subsequent to December 31, 2019. The decrease in unrecognized tax benefits affecting the effective tax rate for accrued expenses is estimated to be approximately $1 million.
Interest and penalties related to unrecognized tax benefits are included in income tax expense in the statement of income. At December 31, 20172019, and 2016,2018, accrued interest and penalties recognized in the balance sheet, net of any federal and/or state tax benefits, were $1 million and less than $1 million.million, respectively.

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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
The Company and its subsidiaries fileBank files income tax returns in U.S. federal and various state jurisdictions. The CompanyBank is no longer subject to income tax examinations for years prior to 2013 for federal returns and 2012 for certain state returns.
19.NET EARNINGS PER COMMON SHARE
21. NET EARNINGS PER COMMON SHARE
Basic and diluted net earnings per common share based on the weighted average outstanding shares are summarized as follows:
(In millions, except shares and per share amounts)2019  2018  2017  
Basic:
Net income$816  $884  $592  
Less common and preferred dividends260  236  131  
Undistributed earnings556  648  461  
Less undistributed earnings applicable to nonvested shares   
Undistributed earnings applicable to common shares552  643  457  
Distributed earnings applicable to common shares224  200  88  
Total earnings applicable to common shares$776  $843  $545  
Weighted average common shares outstanding (in thousands)175,984  193,589  200,776  
Net earnings per common share$4.41  $4.36  $2.71  
Diluted:
Total earnings applicable to common shares$776  $843  $545  
Weighted average common shares outstanding (in thousands)175,984  193,589  200,776  
Dilutive effect of common stock warrants (in thousands)9,926  11,959  7,778  
Dilutive effect of stock options (in thousands)594  953  1,099  
Weighted average diluted common shares outstanding (in thousands)186,504  206,501  209,653  
Net earnings per common share$4.16  $4.08  $2.60  
The following schedule presents the weighted average shares of stock awards that were anti-dilutive and not included in the calculation of diluted earnings per share.
(In thousands)2019  2018  2017  
Restricted stock and restricted stock units$1,390  $1,602  $1,936  
Stock options460  151  241  

22. OPERATING SEGMENT INFORMATION
(In millions, except per share amounts)2017 2016 2015
Basic:     
Net income$592
 $469
 $309
Less common and preferred dividends131
 115
 108
Undistributed earnings461
 354
 201
Less undistributed earnings applicable to nonvested shares4
 4
 2
Undistributed earnings applicable to common shares457
 350
 199
Distributed earnings applicable to common shares88
 57
 45
Total earnings applicable to common shares$545
 $407
 $244
Weighted average common shares outstanding (in thousands)200,776
 203,855
 203,265
Net earnings per common share$2.71
 $2.00
 $1.20
Diluted:     
Total earnings applicable to common shares$545
 $407
 $244
Weighted average common shares outstanding (in thousands)200,776
 203,855
 203,265
Additional weighted average dilutive shares (in thousands)8,877
 414
 433
Weighted average diluted common shares outstanding (in thousands)209,653
 204,269
 203,698
Net earnings per common share$2.60
 $1.99
 $1.20
For 2017 and 2016, preferred dividends were increased by $2 million and $10 million, respectively, from costs related to the full redemption of the Company’s Series F preferred stock in 2017 and partial redemption of the Company’s Series I, J, and G preferred stock in 2016. See further discussion in Note 13.
20.OPERATING SEGMENT INFORMATION
We manage our operations and prepare management reports and other information with a primary focus on geographical area. Our banking operations are managed under their own individual brand names, including Zions Bank, Amegy Bank, California Bank & Trust, National Bank of Arizona, Nevada State Bank, Vectra Bank Colorado, and The Commerce Bank of Washington. Performance assessment and resource allocation are based upon this geographical structure. We use an internal funds transfer pricing (“FTP”("FTP") allocation system to report results of operations for business segments. This process continuesis continually refined. In the third quarter of 2019, we made changes to be refined. Total average loans and deposits presented for the banking segments do not include intercompany amounts between banking segments, but may include deposits with the Other segment. Prior period amounts have been reclassified to reflect these changes.
As of December 31, 2017, our banking business is conducted through 7 locally managed and branded segments in distinct geographical areas. Performance assessment and resource allocation are based upon this geographical structure. Zions Bank operates 97 branches in Utah, 23 branches in Idaho, and 1 branch in Wyoming. CB&T operates 92 branches in California. Amegy operates 73 branches in Texas. NBAZ operates 58 branches in Arizona. NSB operates 50 branches in Nevada. Vectra operates 36 branches in Colorado and 1 branch in New Mexico. TCBW operates 1 branch in Washington and 1 branch in Oregon.
The operating segment identified as “Other” includes the Parent, certain nonbank financial service subsidiaries, centralized back-office functions, and eliminations of transactions between segments. The major components of net interest income at the Bank’s back-office include the revenue associated with the investments securities portfolio

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and the offset of the FTP costs and benefits providedprocess to more accurately reflect the business segments. Throughout 2016 consolidation efforts continued, which resulted in transitioning full-time equivalents from the business segments to the Company’s back-office units. Due to the continuing nature and timingcost of this change, the Company’s back-office units retained more direct expenses in 2016 than in prior years.funds for loans. In the first quarter of 2017 we made changes to the FTP process and internal allocation of central expenses to better reflect the performance of business segments. Prior period amounts have been revised to reflect the impact of these changes had they been instituted for the periods presented. Total average loans and deposits presented for the banking segments include insignificant intercompany amounts between banking segments and may also include deposits with the Other segment.
As of December 31, 2019, our banking business is conducted through 7 locally managed and branded segments in 2016.distinct geographic areas. Zions Bank operates 99 branches in Utah, 25 branches in Idaho, and 1 branch in Wyoming. CB&T operates 86 branches in California. Amegy operates 78 branches in Texas. NBAZ operates 58
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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES
branches in Arizona. NSB operates 50 branches in Nevada. Vectra operates 37 branches in Colorado and 1 branch in New Mexico. TCBW operates 2 branches in Washington and 1 branch in Oregon.
The operating segment identified as “Other” includes certain nonbank financial service subsidiaries, centralized back-office functions, and eliminations of transactions between segments. The major components of net interest income at the Bank’s back-office include the revenue associated with the investments securities portfolio and the offset of the FTP costs and benefits provided to the business segments.
The following schedule does not present total assets or income tax expense for each operating segment, but instead presents average loans, average deposits and income before income taxes because these are the metrics that management uses when evaluating performance and making decisions pertaining to the operating segments. The Parent’sBank's net interest income includes interest expense on other borrowed funds. The Parent’s financial statements in Note 22 provide more information about the Parent’s activities. The condensed statement of income identifies the components of income and expense which affect the operating amounts presented in the Other segment.
The accounting policies of the individual operating segments are the same as those of the Company.Bank. Transactions between operating segments are primarily conducted at fair value, resulting in profits that are eliminated for reporting consolidated results of operations.

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The following is a summary of selected operating segment information:
(In millions)Zions BankAmegyCB&T
201920182017201920182017201920182017
SELECTED INCOME STATEMENT DATA
Net interest income$703  $673  $605  $497  $491  $453  $522  $513  $455  
Provision for credit losses18   20   (80) 20   15  (5) 
Net interest income after provision for credit losses685  665  585  488  571  433  515  498  460  
Noninterest income150  150  148  138  126  116  88  82  75  
Noninterest expense471  462  432  344  344  340  316  308  299  
Income before income taxes$364  $353  $301  $282  $353  $209  $287  $272  $236  
SELECTED AVERAGE BALANCE SHEET DATA
Total average loans$13,109  $12,643  $12,481  $12,235  $11,358  $11,021  $10,763  $10,033  $9,539  
Total average deposits15,870  15,410  15,986  11,627  11,160  11,096  11,522  11,268  11,030  
(In millions)NBAZNSBVectra
201920182017201920182017201920182017
SELECTED INCOME STATEMENT DATA
Net interest income$227  $218  $191  $153  $144  $123  $137  $131  $121  
Provision for credit losses  (8) (1)  (11)    
Net interest income after provision for credit losses225  210  199  154  143  134  134  125  120  
Noninterest income42  39  39  43  41  39  26  24  25  
Noninterest expense156  152  148  145  143  138  108  105  101  
Income before income taxes$111  $97  $90  $52  $41  $35  $52  $44  $44  
SELECTED AVERAGE BALANCE SHEET DATA
Total average loans$4,774  $4,608  $4,267  $2,630  $2,394  $2,357  $3,109  $2,924  $2,644  
Total average deposits5,002  4,931  4,762  4,512  4,286  4,254  2,853  2,761  2,756  
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(In millions)Zions Bank Amegy CB&T
2017 2016 2015 2017 2016 2015 2017 2016 2015
SELECTED INCOME STATEMENT DATA            
Net interest income$650
 $624
 $544
 $483
 $460
 $387
 $476
 $434
 $377
Provision for loan losses19
 (22) (28) 25
 163
 91
 (5) (9) (4)
Net interest income after provision for loan losses631
 646
 572
 458
 297
 296
 481
 443
 381
Noninterest income151
 149
 133
 118
 123
 121
 75
 67
 63
Noninterest expense436
 424
 430
 336
 326
 373
 299
 290
 294
Income before income taxes$346
 $371
 $275
 $240
 $94
 $44
 $257
 $220
 $150
SELECTED AVERAGE BALANCE SHEET DATA            
Total average loans$12,481
 $12,538
 $12,118
 $11,021
 $10,595
 $10,148
 $9,539
 $9,211
 $8,556
Total average deposits15,986
 15,991
 15,688
 11,096
 11,130
 11,495
 11,030
 10,827
 10,063
(In millions)NBAZ NSB Vectra
2017 2016 2015 2017 2016 2015 2017 2016 2015
SELECTED INCOME STATEMENT DATA            
Net interest income$206
 $190
 $152
 $134
 $122
 $94
 $126
 $120
 $101
Provision for loan losses(8) (3) 8
 (11) (28) (28) 1
 (8) 5
Net interest income after provision for loan losses214
 193
 144
 145
 150
 122
 125
 128
 96
Noninterest income40
 40
 36
 40
 39
 36
 25
 23
 21
Noninterest expense148
 144
 133
 139
 137
 131
 101
 97
 98
Income before income taxes$106
 $89
 $47
 $46
 $52
 $27
 $49
 $54
 $19
SELECTED AVERAGE BALANCE SHEET DATA            
Total average loans$4,267
 $4,086
 $3,811
 $2,357
 $2,284
 $2,344
 $2,644
 $2,469
 $2,400
Total average deposits4,762
 4,576
 4,311
 4,254
 4,137
 3,891
 2,756
 2,720
 2,792
(In millions)TCBW Other Consolidated Company
2017 2016 2015 2017 2016 2015 2017 2016 2015
SELECTED INCOME STATEMENT DATA            
Net interest income$46
 $38
 $28
 $(56) $(121) $32
 $2,065
 $1,867
 $1,715
Provision for loan losses2
 
 (3) 1
 
 (1) 24
 93
 40
Net interest income after provision for loan losses44
 38
 31
 (57) (121) 33
 2,041
 1,774
 1,675
Noninterest income5
 5
 4
 90
 70
 (57) 544
 516
 357
Noninterest expense20
 19
 17
 170
 148
 105
 1,649
 1,585
 1,581
Income (loss) before income taxes$29
 $24
 $18
 $(137) $(199) $(129) $936
 $705
 $451
SELECTED AVERAGE BALANCE SHEET DATA            
Total average loans$926
 $791
 $707
 $266
 $88
 $87
 $43,501
 $42,062
 $40,171
Total average deposits1,107
 1,007
 879
 1,209
 207
 (481) 52,200
 50,595
 48,638


T

ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES

(In millions)TCBWOtherConsolidated Bank
201920182017201920182017201920182017
SELECTED INCOME STATEMENT DATA
Net interest income$54  $53  $44  $(21) $ $73  $2,272  $2,230  $2,065  
Provision for credit losses(1)    —  (2) 39  (40) 17  
Net interest income after provision for credit losses55  51  42  (23)  75  2,233  2,270  2,048  
Noninterest income   70  85  97  562  552  544  
Noninterest expense22  22  20  180  143  178  1,742  1,679  1,656  
Income (loss) before income taxes$38  $34  $27  $(133) $(51) $(6) $1,053  $1,143  $936  
SELECTED AVERAGE BALANCE SHEET DATA
Total average loans$1,194  $1,118  $926  $451  $347  $266  $48,265  $45,425  $43,501  
Total average deposits1,094  1,092  1,107  2,600  2,275  1,209  55,080  53,183  52,200  
21.QUARTERLY FINANCIAL INFORMATION (UNAUDITED)

23. QUARTERLY FINANCIAL INFORMATION (UNAUDITED)
Financial information by quarter for 20172019 and 20162018 is as follows:
(In millions, except per share amounts)Quarters  (In millions, except per share amounts)Quarters
First Second Third Fourth YearFirstSecondThirdFourthYear
2017         
20192019
Gross interest income$515
 $558
 $557
 $562
 $2,192
Gross interest income$675  $684  $677  $647  $2,683  
Net interest income489
 528
 522
 526
 2,065
Net interest income577  569  567  559  2,272  
Provision for loan losses23
 7
 5
 (11) 24
Provision for credit lossesProvision for credit losses 21  10   39  
Noninterest income132
 132
 140
 140
 544
Noninterest income132  132  146  152  562  
Noninterest expense414
 405
 413
 417
 1,649
Noninterest expense431  424  415  472  1,742  
Income before income taxes184
 248
 244
 260
 936
Income before income taxes274  256  288  235  1,053  
Net income139
 168
 161
 124
 592
Net income213  198  222  183  816  
Preferred stock dividends(10) (12) (8) (10) (40)Preferred stock dividends(8) (9) (8) (9) (34) 
Preferred stock redemption
 (2) 
 
 (2)
Net earnings applicable to common shareholders129
 154
 153
 114
 550
Net earnings applicable to common shareholders205  189  214  174  782  
Net earnings per common share:         Net earnings per common share:
Basic0.63
 0.76
 0.75
 0.57
 2.71
Basic1.10  1.05  1.23  1.03  4.41  
Diluted0.61
 0.73
 0.72
 0.54
 2.60
Diluted1.03  0.99  1.17  0.97  4.16  
2016         
20182018
Gross interest income$475
 $487
 $491
 $501
 $1,954
Gross interest income$588  $606  $631  $656  $2,481  
Net interest income453
 465
 469
 480
 1,867
Net interest income541  548  565  576  2,230  
Provision for loan losses42
 35
 19
 (3) 93
Provision for credit lossesProvision for credit losses(47) 12  (11)  (40) 
Noninterest income117
 126
 145
 128
 516
Noninterest income138  138  136  140  552  
Noninterest expense396
 382
 403
 404
 1,585
Noninterest expense418  421  420  420  1,679  
Income before income taxes132
 174
 192
 207
 705
Income before income taxes308  253  292  290  1,143  
Net income91
 114
 127
 137
 469
Net income238  197  223  226  884  
Preferred stock dividends(12) (14) (10) (12) (48)Preferred stock dividends(7) (10) (8) (9) (34) 
Preferred stock redemption
 (10) 
 
 (10)
Net earnings applicable to common shareholders79
 90
 117
 125
 411
Net earnings applicable to common shareholders231  187  215  217  850  
Net earnings per common share:         Net earnings per common share:
Basic0.38
 0.44
 0.57
 0.61
 2.00
Basic1.16  0.95  1.11  1.14  4.36  
Diluted0.38
 0.44
 0.57
 0.60
 1.99
Diluted1.08  0.88  1.04  1.08  4.08  
Certain prior yearperiod amounts have been reclassified to conform with the current year presentation. These reclassifications did not affect net income. See related discussion in Note 1. Individual quarter information may be different than previously reported due to rounding.

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ZIONS BANCORPORATION, NATIONAL ASSOCIATION AND SUBSIDIARIES

ITEM 9. CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL DISCLOSURE
22.PARENT COMPANY FINANCIAL INFORMATION
CONDENSED BALANCE SHEETS
(In millions)December 31,
2017 2016
ASSETS   
Cash and due from banks$
 $2
Interest-bearing deposits332
 529
Investment securities:   
Available-for-sale, at fair value30
 40
Other noninterest-bearing investments36
 29
Investments in subsidiaries:   
Commercial bank7,620
 7,570
Other subsidiaries41
 6
Other assets32
 81
Total assets$8,091
 $8,257
LIABILITIES AND SHAREHOLDERS’ EQUITY   
Other liabilities$30
 $89
Long-term debt:   
Due to others382
 534
Total liabilities412
 623
Shareholders’ equity:   
Preferred stock566
 710
Common stock4,445
 4,725
Retained earnings2,807
 2,321
Accumulated other comprehensive income (loss)(139) (122)
Total shareholders’ equity7,679
 7,634
Total liabilities and shareholders’ equity$8,091
 $8,257

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CONDENSED STATEMENTS OF INCOME
(In millions)Year Ended December 31,
2017 2016 2015
Interest income:     
Commercial bank$
 $1
 $1
Other loans and securities1
 2
 3
Total interest income1
 3
 4
Interest expense:     
Affiliated trusts
 3
 4
Other borrowed funds25
 34
 64
Total interest expense25
 37
 68
Net interest loss(24) (34) (64)
Other income:     
Dividends from consolidated subsidiaries:     
Commercial bank587
 263
 234
Securities gains, net
 
 37
Other income7
 4
 13
Total other income594
 267
 284
Expenses:     
Salaries and employee benefits24
 23
 25
Other operating expenses8
 (14) 10
Total expenses32
 9
 35
Income before income taxes and undistributed income of consolidated subsidiaries538
 224
 185
Income tax benefit(42) (19) (27)
Income before equity in undistributed income of consolidated subsidiaries580
 243
 212
Equity in undistributed income (loss) of consolidated subsidiaries:     
Commercial bank12
 230
 108
Other subsidiaries
 (4) (11)
Net income592
 469
 309
Preferred stock dividends(40) (48) (62)
Preferred stock redemption(2) (10) 
Net earnings applicable to common shareholders$550
 $411
 $247

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CONDENSED STATEMENTS OF CASH FLOWS
(In millions)Year Ended December 31,
2017 2016 2015
CASH FLOWS FROM OPERATING ACTIVITIES     
Net income$592
 $469
 $309
Adjustments to reconcile net income to net cash provided by operating activities:     
Equity in undistributed income of consolidated subsidiaries(12) (226) (97)
Other, net(56) (31) 78
Net cash provided by operating activities524
 212
 290
CASH FLOWS FROM INVESTING ACTIVITIES     
Net decrease in money market investments196
 347
 132
Collection of advances to subsidiaries
 
 56
Advances to subsidiaries
 
 (41)
Proceeds from sales and maturities of investment securities20
 4
 125
Purchases of investment securities
 
 (47)
Decrease of investment in subsidiaries
 
 15
Other, net2
 7
 4
Net cash provided by investing activities218
 358
 244
CASH FLOWS FROM FINANCING ACTIVITIES     
Repayments of long-term debt(164) (280) (271)
Proceeds from issuance of common stock25
 25
 22
Cash paid for preferred stock redemptions(144) (126) (176)
Company common stock repurchased(332) (97) (7)
Dividends paid on preferred stock(40) (50) (63)
Dividends paid on common stock(89) (58) (45)
Net cash used in financing activities(744) (586) (540)
Net decrease in cash and due from banks(2) (16) (6)
Cash and due from banks at beginning of year2
 18
 24
Cash and due from banks at end of year$
 $2
 $18
The Parent paid interest of $26 million in 2017, $35 million in 2016, and $51 million in 2015.

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ITEM 9.CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL DISCLOSURE
None.
ITEM 9A.CONTROLS AND PROCEDURES
ITEM 9A. CONTROLS AND PROCEDURES
The Company’sBank’s management, with the participation of the Company’sBank’s Chief Executive Officer and Chief Financial Officer, has evaluated the effectiveness of the Company’sBanks’s disclosure controls and procedures as of December 31, 2017.2019. Based on that evaluation, the Company’sBank’s Chief Executive Officer and Chief Financial Officer concluded that the Company’sBank’s disclosure controls and procedures were effective as of December 31, 2017.2019. There were no changes in the Company’sBank’s internal control over financial reporting during the fourth quarter of 20172019 that have materially affected, or are reasonably likely to materially affect, the Company’sBank’s internal control over financial reporting. See “Report on Management’s Assessment of Internal Control over Financial Reporting” included in Item 8 on page 8479 for management’s report on the adequacy of internal control over financial reporting. Also see “Report on Internal Control over Financial Reporting” issued by Ernst & Young LLP included in Item 8 on page 86.80.
ITEM 9B.OTHER INFORMATION
ITEM 9B. OTHER INFORMATION
None.
PART III
ITEM 10.DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE
ITEM 10. DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE
Incorporated by reference from the CompanyBanks Proxy Statement to be subsequently filed.
ITEM 11.EXECUTIVE COMPENSATION
ITEM 11. EXECUTIVE COMPENSATION
Incorporated by reference from the CompanyBanks Proxy Statement to be subsequently filed.
ITEM 12.SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS
ITEM 12. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS
EQUITY COMPENSATION PLAN INFORMATION
The following schedule provides information as of December 31, 20172019 with respect to the shares of the Company’sBank’s common stock that may be issued under existing equity compensation plans.
(a)(b)(c)
Plan category 1
Number of securities to be issued upon exercise of outstanding options, warrants and rightsWeighted average exercise price of outstanding options, warrants and rightsNumber of securities remaining available for future issuance under equity compensation plans (excluding securities reflected in column (a))
Equity compensation plan approved by security holders:
Zions Bancorporation, N.A. 2015 Omnibus Incentive Plan1,265,031  $37.25  3,667,621  
  (a) (b) (c)
Plan category 1
 Number of securities to be issued upon exercise of outstanding options, warrants and rights Weighted average exercise price of outstanding options, warrants and rights Number of securities remaining available for future issuance under equity compensation plans (excluding securities reflected in column (a))
             
Equity compensation plan approved by security holders:            
             
Zions Bancorporation 2015 Omnibus Incentive Plan  1,363,432
   $27.43
   5,009,248
 
1Column (a) excludes 50,457 shares of unvested restricted stock, 1,294,070 RSUs (each unit representing the right to one share of common stock), and 392,251 shares of common stock issuable upon the exercise of stock options, with a weighted average exercise price of $28.27, granted under the prior plan. The schedule also excludes 19,496 shares of common stock issuable upon the exercise of stock options, with a weighted average exercise price of $4.89, granted under plans assumed in mergers that are outstanding.
1
Column (a) excludes 38,978 shares of unvested restricted stock, 1,709,813 RSUs (each unit representing the right to one share of common stock), and 1,175,887 shares of common stock issuable upon the exercise of stock options, with a weighted average exercise price of $27.03, granted under the prior plan. The schedule also excludes 21,252 shares of common stock issuable upon the exercise of stock options, with a weighted average exercise price of $5.02, granted under plans assumed in mergers that are outstanding.
Other information required by Item 12 is incorporated by reference from the Company’sBank’s Proxy Statement to be subsequently filed.

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ITEM 13. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR INDEPENDENCE
ITEM 13.CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR INDEPENDENCE
Incorporated by reference from the CompanyBanks Proxy Statement to be subsequently filed.
ITEM 14.PRINCIPAL ACCOUNTING FEES AND SERVICES
ITEM 14. PRINCIPAL ACCOUNTING FEES AND SERVICES
Incorporated by reference from the CompanyBanks Proxy Statement to be subsequently filed.
PART IV
ITEM 15.EXHIBITS, FINANCIAL STATEMENT SCHEDULES
(a)(1)    Financial statements – The following consolidated financial statements of Zions Bancorporation and subsidiaries are filed as part of this Form 10-K under Item 8, Financial Statements and Supplementary Data:
ITEM 15. EXHIBITS, FINANCIAL STATEMENT SCHEDULES
a.(1) Financial statements – The following consolidated financial statements of Zions Bancorporation, N.A. and subsidiaries are filed as part of this Form 10-K under Item 8, Financial Statements and Supplementary Data:
Consolidated balance sheets – December 31, 20172019 and 20162018
Consolidated statements of income – Years ended December 31, 2017, 20162019, 2018 and 20152017
Consolidated statements of comprehensive income – Years ended December 31, 2017, 20162019, 2018 and 20152017
Consolidated statements of changes in shareholders equity – Years ended December 31, 2017, 20162019, 2018 and 20152017
Consolidated statements of cash flows – Years ended December 31, 2017, 20162019, 2018 and 20152017
Notes to consolidated financial statements – December 31, 20172019
(2) Financial statement schedules – All financial statement schedules for which provision is made in the applicable accounting regulations of the Securities and Exchange Commission are not required under the related instructions, the required information is contained elsewhere in the Form 10-K, or the schedules are inapplicable and have therefore been omitted.
(3) List of Exhibits:
Exhibit NumberDescription
Exhibit NumberDescription
Amended and Restated Agreement and Plan of Merger, dated as of July 10, 2018, by and between Zions Bancorporation and ZB, National Association, incorporated by reference to Exhibit 2.1 of Form 8-K filed on October 2, 2018.*
Second Amended and Restated Articles of IncorporationAssociation of Zions Bancorporation, dated July 8, 2014,National Association, incorporated by reference to Exhibit 3.1 of Form 8-K/A8-K filed on July 18, 2014.October 2, 2018.*
Second Amended and Restated Bylaws of Zions Bancorporation, dated February 27, 2015,National Association, incorporated by reference to Exhibit 3.2 of Form 10-Q for the quarter ended March 31, 2015.8-K filed on April 4, 2019.*
Senior Debt Indenture dated September 10, 2002 between Zions Bancorporation and The Bank of New York Mellon Trust Company, N.A. as successor to J.P. Morgan Trust Company, N.A., as trustee, with respect to senior debt securities of Zions Bancorporation, (filed herewith).incorporated by reference to Exhibit 4.1 of Form 10-K for the year ended December 31, 2017.*
First Supplemental Indenture dated April 21, 2014 between Zions Bancorporation and The Bank of New York Mellon Trust Company, N.A. as successor to J.P. Morgan Trust Company, N.A., as trustee (filed herewith).
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Exhibit NumberDescription
Second Supplemental Indenture, dated as of September 30, 2018, by and among The Bank of New York Mellon Trust Company, N.A., as Trustee, ZB, National Association and Zions Bancorporation, incorporated by reference to Exhibit 4.1 of Form 8-K filed on October 2, 2018.*
Subordinated Debt Indenture dated September 10, 2002 between Zions Bancorporation and The Bank of New York Mellon Trust Company, N.A. as successor to J.P. Morgan Trust Company, N.A., as trustee, with respect to subordinated debt securities of Zions Bancorporation, (filed herewith).incorporated by reference to Exhibit 4.2 of Form 10-K for the year ended December 31, 2017.*
Supplemental Indenture dated June 30, 2009 between Zions Bancorporation and The Bank of New York Mellon Trust Company, N.A. as successor to J.P. Morgan Trust Company, N.A., as trustee, incorporated by reference to Exhibit 4.5 of Form 10-K for the year ended December 31, 2018.*
Second Supplemental Indenture dated November 5, 2013 between Zions Bancorporation and The Bank of New York Mellon Trust Company, N.A. as successor to J.P. Morgan Trust Company, N.A., as trustee, incorporated by reference to Exhibit 4.6 of Form 10-K for the year ended December 31, 2018.*
Third Supplemental Indenture dated April 21, 2014 between Zions Bancorporation and The Bank of New York Mellon Trust Company, N.A. as successor to J.P. Morgan Trust Company, N.A., as trustee (filed herewith).
Fourth Supplemental Indenture, dated as of September 30, 2018, by and among The Bank of New York Mellon Trust Company, N.A., as Trustee, ZB, National Association and Zions Bancorporation, incorporated by reference to Exhibit 4.2 of Form 8-K filed on October 2, 2018.*
Junior Subordinated Indenture dated August 21, 2002 between Zions Bancorporation and The Bank of New York Mellon Trust Company, N.A. as successor to J.P. Morgan Trust Company, N.A., as trustee, with respect to junior subordinated debentures of Zions Bancorporation, (filed herewith).

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Exhibit NumberDescription
Warrant to purchase up to 5,789,909 shares of Common Stock, issued on November 14, 2008, incorporated by reference to Exhibit 4.44.3 of Form 10-K for the year ended December 31, 2013.2017.*
Warrant Agreement, between Zions Bancorporation and Zions First National Bank (now known as ZB, N.A.)Zions Bancorporation, National Association), and Warrant Certificate, incorporated by reference to Exhibit 4.5 of
Form 10-K for the year ended December 31, 2016.
*
First Amendment to Warrant Agreement, dated as of September 30, 2018, by and between Zions Bancorporation 2015-2017 Value Sharing Plan,and ZB, National Association, incorporated by reference to Exhibit 10.1 of Form 10-Q for the quarter ended March 31, 2015.*
Zions Bancorporation 2016-2018 Value Sharing Plan, incorporated by reference to Exhibit 10.14.3 of Form 10-Q for the quarter ended September 30, 2016.2018.*
Description of Securities of Zions Bancorporation, National Association, as of December 31, 2019 (filed herewith).
Zions Bancorporation 2017-2019 Value Sharing Plan, incorporated by reference to Exhibit 10.2 of Form 10-Q for the quarter ended June 30, 2017.*
Zions Bancorporation 2018-2020 Value Sharing Plan, incorporated by reference to Exhibit 10.1 of Form 10-Q for the quarter ended June 30, 2018.*
Zions Bancorporation 2017 Management Incentive Compensation Plan, incorporated by reference to Appendix I of the Company’sBank’s Proxy Statement dated April 14, 2016.*
Zions Bancorporation Third Restated and Revised Deferred Compensation Plan, incorporated by reference to Exhibit 10.110.5 of Form 10-Q10-K for the quarteryear ended September 30, 2013.December 31, 2018.*
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Exhibit NumberDescription
Zions Bancorporation Fourth Restated Deferred Compensation Plan for Directors, incorporated by reference to Exhibit 10.210.6 of Form 10-Q10-K for the quarteryear ended September 30, 2013.December 31, 2018.*
Amendment to the Zions Bancorporation Fourth Restated Deferred Compensation Plan for Directors, incorporated by reference to Exhibit 10.8 of Form 10-K for the year ended December 31, 2015.*
Amegy Bancorporation, Inc. Fifth Amended and Restated Amegy Bancorporation, Inc. Non-Employee Directors Deferred Fee Plan (Frozen upon merger with Zions Bancorporation in 2005), incorporated by reference to Exhibit 10.8 of Form 10-K for the year ended December 31, 2018.*
Zions Bancorporation Executive Management Pension Plan, incorporated by reference to Exhibit 10.310.18 of Form 10-Q10-K for the quarteryear ended September 30, 2013.December 31, 2014.*
Zions Bancorporation First Restated Excess Benefit Plan, incorporated by reference to Exhibit 10.8 of Form 10-K for the year ended December 31, 2014.*
Amegy Bancorporation 2004 (formerly Southwest Bancorporation of Texas, Inc.) Omnibus Incentive Plan, incorporated by reference to Exhibit 10.38 of Form 10-K for the year ended December 31, 2015.*
Trust Agreement establishing the Zions Bancorporation Deferred Compensation Plan Trust by and between Zions Bancorporation and Cigna Bank & Trust Company, FSB effective October 1, 2002, incorporated by reference to Exhibit 10.910.12 of Form 10-K for the year ended December 31, 2012.2018.*
Amendment to the Trust Agreement Establishing the Zions Bancorporation Deferred Compensation Plans Trust, effective September 1, 2006, incorporated by reference to Exhibit 10.13 of Form 10-K for the year ended December 31, 2018.*
Amendment to the Trust Agreement establishing the Zions Bancorporation Deferred Compensation Plan Trust by and between Zions Bancorporation and Cigna Bank & Trust Company, FSB substituting Prudential Bank & Trust, FSB as the trustee, incorporated by reference to Exhibit 10.12 of Form 10-K for the year ended December 31, 2016.*
Amendment to Trust Agreement Establishing the Zions Bancorporation Deferred Compensation Plans Master Trust between Zions Bancorporation and Fidelity Management Trust Company, effective September 1, 2006, incorporated by reference to Exhibit 10.1110.15 of Form 10-K for the year ended December 31, 2012.2018.*
Revised schedule C to Zions Bancorporation Deferred Compensation Plans Master Trust between Zions Bancorporation and Fidelity Management Trust Company, effective September 13, 2006, incorporated by reference to Exhibit 10.16 of Form 10-K for the year ended December 31, 2018.*
Third Amendment to the Trust Agreement between Fidelity Management Trust Company and Zions Bancorporation for the Deferred Compensation Plans, dated June 13, 2012, incorporated by reference to Exhibit 10.17 of Form 10-K for the year ended December 31, 2017.*
Fifth Amendment to the Trust Agreement between Fidelity Management Trust Company and Zions Bancorporation for the Deferred Compensation Plans, incorporated by reference to Exhibit 10.510.18 of Form 10-Q10-K for the quarter September 30, 2013.year ended December 31, 2018.*

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Exhibit NumberDescription
Sixth Amendment to the Trust Agreement between Fidelity Management Trust Company and Zions Bancorporation for the Deferred Compensation Plans, dated August 17, 2015, incorporated by reference to Exhibit 10.1 of Form 10-Q for the quarter ended September 30, 2015.*
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Exhibit NumberDescription
Zions Bancorporation Deferred Compensation Plans MasterSeventh Amendment to the Trust Agreement between Zions Bancorporation and Fidelity Management Trust Company and Zions Bancorporation for the Deferred Compensation Plans, effective September 1, 2006,30, 2018, incorporated by reference to Exhibit 10.12 of Form 10-K for the year ended December 31, 2012.*
Revised schedule C to Zions Bancorporation Deferred Compensation Plans Master Trust between Zions Bancorporation and Fidelity Management Trust Company, effective September 13, 2006, incorporated by reference to Exhibit 10.13 of Form 10-K for the year ended December 31, 2012.*
Third Amendment to the Zions Bancorporation Deferred Compensation Plans Master Trust agreement between Zions Bancorporation and Fidelity Management Trust Company, dated June 13, 2012 (filed herewith).
Zions Bancorporation Restated Pension Plan effective January 1, 2002, including amendments adopted through December 31, 2010, incorporated by reference to Exhibit 10.19 of Form 10-K for the year ended December 31, 2016.*
First amendment to the Zions Bancorporation Pension Plan, dated June 28, 2013, incorporated by reference to Exhibit 10.110.2 of Form 10-Q for the quarter ended JuneSeptember 30, 2013.2018.*
Second amendmentAmendment to the Zions Bancorporation Pension Plan, dated July 17, 2017, incorporated by reference to Exhibit 10.3 of Form 10-Q for the quarter ended June 30, 2017.*
Third Amendment to the Zions Bancorporation Executive Management Pension Plan, dated October 30, 2017, incorporated by reference to Exhibit 10.1810.1 of Form 10-Q for the quarter ended September 30, 2018.*
Zions Bancorporation Restated Pension Plan effective January 1, 2009, including amendments adopted through December 31, 2013, incorporated by reference to Exhibit 10.2 of Form 10-Q for the quarter ended June 30, 2018.*
First Amendment to the Zions Bancorporation Restated Pension Plan, effective October 1, 2018, dated October 29, 2018, incorporated by reference to Exhibit 10.24 of Form 10-K for the year ended December 31, 2014.2018.*
Second Amendment to the Zions Bancorporation Restated Pension Plan, effective December 31, 2018, dated December 31, 2018, incorporated by reference to Exhibit 10.25 of Form 10-K for the year ended December 31, 2018.*
Zions Bancorporation Payshelter 401(k) and Employee Stock Ownership Plan, Restated and Amended effective January 1, 2002, including amendments adopted through December 31, 2010,2007, incorporated by reference to Exhibit 10.2210.3 of Form 10-K10-Q for the yearquarter ended December 31, 2016.June 30, 2018.*
First amendmentSecond Amendment to the Zions Bancorporation Payshelter 401(k) and Employee Stock Ownership Plan, dated November 14, 2012,December 31, 2018, effective January 1, 2019, incorporated by reference to Exhibit 10.1810.27 of Form 10-K for the year ended December 31, 2012.2018.*
Second amendmentThird Amendment to the Zions Bancorporation Payshelter 401(k) and Employee Stock Ownership Plan, dated August 19, 2016,June 27, 2019, effective September 30, 2018, incorporated by reference to Exhibit 10.1 of
Form 10-Q for the quarter ended June 30, 2017.
2019.
*
Zions Bancorporation Payshelter 401(k) and Employee Stock Ownership Plan Trust Agreement between Zions Bancorporation and Fidelity Management Trust Company, dated July 3, 2006, incorporated by reference to Exhibit 10.1910.28 of Form 10-K for the year ended December 31, 2012.2018.*
First Amendment to the Zions Bancorporation Payshelter 401(k) and Employee Stock Ownership Plan Trust Agreement between Zions Bancorporation and Fidelity Management Trust Company, dated April 5, 2010, incorporated by reference to Exhibit 10.25 of Form 10-K for the year ended December 31, 2015.*

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Exhibit NumberDescription
Second Amendment to the Zions Bancorporation Payshelter 401(k) and Employee Stock Ownership Plan Trust Agreement between Zions Bancorporation and Fidelity Management Trust Company, dated April 5, 2010, incorporated by reference to Exhibit 10.26 of Form 10-K for the year ended December 31, 2015.*
Third Amendment to the Zions Bancorporation Payshelter 401(k) and Employee Stock Ownership Plan Trust Agreement between Zions Bancorporation and Fidelity Management Trust Company, dated April 30, 2010, incorporated by reference to Exhibit 10.27 of

Form 10-K for the year ended December 31, 2015.
*
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Exhibit NumberDescription
Fourth Amendment to the Zions Bancorporation Payshelter 401(k) and Employee Stock Ownership Plan Trust Agreement between Zions Bancorporation and Fidelity Management Trust Company, dated October 1, 2014, incorporated by reference to Exhibit 10.25 of

Form 10-K for the year ended December 31, 2014.
*
Fifth Amendment to the Zions Bancorporation Payshelter 401(k) and Employee Stock Ownership Plan Trust Agreement between Zions Bancorporation and Fidelity Management Trust Company, dated October 1, 2014, incorporated by reference to Exhibit 10.26 of

Form 10-K for the year ended December 31, 2014.
*
Sixth Amendment to the Zions Bancorporation Payshelter 401(k) and Employee Stock Ownership Plan Trust Agreement between Zions Bancorporation and Fidelity Management Trust Company, dated August 17, 2015, incorporated by reference to Exhibit 10.2 of

Form 10-Q for the quarter ended September 30, 2015.
*
Seventh Amendment to the Zions Bancorporation Payshelter 401(k) and Employee Stock Ownership Plan Trust Agreement between Zions Bancorporation and Fidelity Management Trust Company, dated April 27, 2016, incorporated by reference to Exhibit 10.31 of

Form 10-K for the year ended December 31, 2016.
*
Eighth Amendment to the Zions Bancorporation Payshelter 401(k) and Employee Stock Ownership Plan Trust Agreement between Zions Bancorporation and Fidelity Management Trust Company, effective September 30, 2018, incorporated by reference to Exhibit 10.3 of Form 10-Q for the quarter ended September 30, 2018.*
Zions Bancorporation 2015 Omnibus Incentive Plan, incorporated by reference to Exhibit 4.1 of Form S-8 filed on July 1, 2015.*
Form of Standard Restricted Stock Award Agreement, Zions Bancorporation 2015 Omnibus Incentive Plan, incorporated by reference to Exhibit 4.3 of Form S-8 filed on July 1, 2015.*
Form of Standard Restricted Stock Unit Award Agreement, Zions Bancorporation 2015 Omnibus Incentive Plan, incorporated by reference to Exhibit 4.4 of Form S-8 filed on July 1, 2015.*
Form of Standard Stock Option Award Agreement, Zions Bancorporation 2015 Omnibus Incentive Plan, incorporated by reference to Exhibit 4.6 of Form S-8 filed on July 1, 2015.*
Form of Standard Directors Stock Award Agreement, Zions Bancorporation 2015 Omnibus Incentive Plan, incorporated by reference to Exhibit 4.7 of Form S-8 filed on July 1, 2015.*
Form of Restricted Stock Award Agreement subject to holding requirement, Zions Bancorporation 2015 Omnibus Incentive Plan, incorporated by reference to Exhibit 4.2 of Form S-8 filed on July 1, 2015.*
Form of Standard Restricted Stock Award Agreement, Zions Bancorporation 2015 Omnibus Incentive Plan, incorporated by reference to Exhibit 4.3 of Form S-8 filed on July 1, 2015.*
Form of Standard Restricted Stock Unit Award Agreement, Zions Bancorporation 2015 Omnibus Incentive Plan, incorporated by reference to Exhibit 4.4 of Form S-8 filed on July 1, 2015.*
Form of Restricted Stock Unit Agreement subject to holding requirement, Zions Bancorporation 2015 Omnibus Incentive Plan, incorporated by reference to Exhibit 4.5 of Form S-8 filed on July 1, 2015.*
AmegyForm of Standard Stock Option Award Agreement, Zions Bancorporation 2004 (formerly Southwest Bancorporation of Texas, Inc.)2015 Omnibus Incentive Plan, incorporated by reference to Exhibit 10.384.6 of Form S-8 filed on July 1, 2015.*
Form of Standard Directors Stock Award Agreement, Zions Bancorporation 2015 Omnibus Incentive Plan, incorporated by reference to Exhibit 4.7 of Form S-8 filed on July 1, 2015.*
Form of Change in Control Agreement between the Bank and Certain Executive Officers, incorporated by reference to Exhibit 10.44 of Form 10-K for the year ended December 31, 2015.2018.*

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Exhibit NumberDescription
Form of Change in Control Agreement between the Company and Certain Executive Officers, incorporated by reference to Exhibit 10.37 of Form 10-K for the year ended December 31, 2012.*
Addendum to Change in Control Agreement, incorporated by reference to Exhibit 10.38 of Form 10-K for the year ended December 31, 2014.*
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Exhibit NumberDescription
Form of Change in Control Agreement between the CompanyBank and Dallas E. Haun, dated May 23, 2008, incorporated by reference to Exhibit 10.39 of Form 10-K for the year ended December 31, 2014.*
Ratios of Earnings to Fixed Charges and Earnings to Fixed Charges and Preferred Dividends (filed herewith).
List of Subsidiaries of Zions Bancorporation, National Association (filed herewith).
Consent of Independent Registered Public Accounting Firm (filed herewith).
Certification by Chief Executive Officer required by Rules 13a-15(f) and 15d-15(f) under the Securities Exchange Act of 1934 (filed herewith).
Certification by Chief Financial Officer required by Rules 13a-15(f) and 15d-15(f) under the Securities Exchange Act of 1934 (filed herewith).
Certification by Chief Executive Officer and Chief Financial Officer required by Sections 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934 (15 U.S.C. 78m) and 18 U.S.C. Section 1350 (furnished herewith).
101Interactive data files pursuantPursuant to RuleRules 405 and 406 of Regulation S-T:S-T, the following information is formatted in inline XBRL: (i) the Consolidated Balance Sheets as of December 31, 20172019 and December 31, 2016,2018, (ii) the Consolidated Statements of Income for the years ended December 31, 2017,2019, December 31, 2016,2018, and December 31, 2015,2017, (iii) the Consolidated Statements of Comprehensive Income for the years ended December 31, 2017,2019, December 31, 2016,2018, and December 31, 2015,2017, (iv) the Consolidated Statements of Changes in Shareholders’ Equity for the years ended December 31, 2017,2019, December 31, 2016,2018, and December 31, 2015,2017, (v) the Consolidated Statements of Cash Flows for the years ended December 31, 2017,2019, December 31, 2016,2018, and December 31, 20152017, and (vi) the Notes to Consolidated Financial Statements (filed herewith).
104The cover page from this Annual Report on Form 10-K, formatted as Inline XBRL.

* Incorporated by reference

CertainPursuant to Item 601(b)(4)(iii)(A) of Regulation S-K, copies of certain instruments defining the rights of holders of long-term debt securitiesare not filed. The Bank agrees to furnish a copy thereof to the Securities and Exchange Commission and the Office of the Registrant and its subsidiaries are omitted pursuant to Item 601(b)(4)(iii)Comptroller of Regulation S-K. The Registrant hereby undertakes to furnish to the SEC,Currency upon request, copies of any such instruments.request.


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SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

February 28, 201825, 2020 ZIONS BANCORPORATION, NATIONAL ASSOCIATION


By/s/ Harris H. Simmons
HARRIS H. SIMMONS, Chairman

and Chief Executive Officer


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 date indicated.

February 28, 2018

25, 2020
/s/ Harris H. Simmons/s/ Paul E. Burdiss
HARRIS H. SIMMONS, Director, Chairman

and Chief Executive Officer

(Principal Executive Officer)
PAUL E. BURDISS, Executive Vice President

and Chief Financial Officer

(Principal Financial Officer)


/s/ Alexander J. Hume/s/ Jerry C. Atkin
ALEXANDER J. HUME, Controller

(Principal Accounting Officer)
JERRY C. ATKIN, Director


/s/ Gary L. Crittenden/s/ Suren K. Gupta
GARY L. CRITTENDEN, DirectorSUREN K. GUPTA, Director


/s/ J. David Heaney/s/ Vivian S. Lee
J. DAVID HEANEY, DirectorVIVIAN S. LEE, Director


/s/ Scott J. McLean/s/ Edward F. Murphy/s/ Roger B. Porter
SCOTT J. MCLEAN, DirectorEDWARD F. MURPHY, DirectorROGER B. PORTER, Director

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/s/ Stephen D. Quinn/s/ Aaron B. Skonnard
STEPHEN D. QUINN, DirectorAARON B. SKONNARD, Director

/s/ Barbara A. Yastine
STEPHEN D. QUINN, DirectorBARBARA A. YASTINE, Director






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