UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

FORM 10-Q
(Mark One)
QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the quarterly period endedJune 30, 20212022
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 001-36174
NMI Holdings, Inc.
(Exact name of registrant as specified in its charter)
Delaware 45-4914248
(State or other jurisdiction of incorporation or organization)(I.R.S. Employer Identification No.)
2100 Powell StreetEmeryville,CA 94608
(Address of principal executive offices)(Zip Code)

(855) 530-6642
(Registrant's telephone number, including area code)
Securities registered pursuant to Section 12(b) of the Act:
Title of each classTrading Symbol(s)Name of each exchange on which registered
Class A Common Stock, par value $0.01NMIHNASDAQNasdaq
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 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 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 filerAccelerated filer
Non-accelerated filerSmaller 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
The number of shares of common stock, $0.01 par value per share, of the registrant outstanding on July 30, 202129, 2022 was 85,708,239 84,702,616 shares.
1


TABLE OF CONTENTS
Item 1.
Item 2.
Item 3.
Item 4.
Item 1.
Item 1A.
Item 6.

2


CAUTIONARY NOTE REGARDING FORWARD LOOKINGFORWARD-LOOKING STATEMENTS
    This report contains forward lookingforward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended (Securities Act), Section 21E of the Securities Exchange Act of 1934, as amended (Exchange Act), and the U.S. Private Securities Litigation Reform Act of 1995. Any statements about our expectations, outlook, beliefs, plans, predictions, forecasts, objectives, assumptions or future events or performance are not historical facts and may be forward looking.forward-looking. These statements are often, but not always, made through the use of words or phrases such as "anticipate," "believe," "can," "could," "may," "predict," "assume," "potential," "should," "will," "estimate," "perceive," "plan," "project," "continuing," "ongoing," "expect," "intend" or words of similar meaning and include, but are not limited to, statements regarding the outlook for our future business and financial performance. All forward lookingforward-looking statements are necessarily only estimates of future results, and actual results may differ materially from expectations. You are, therefore, cautioned not to place undue reliance on such statements which should be read in conjunction with the other cautionary statements that are included elsewhere in this report. Further, any forward lookingforward-looking statement speaks only as of the date on which it is made and we undertake no obligation to update or revise any forward lookingforward-looking statement to reflect events or circumstances after the date on which the statement is made or to reflect the occurrence of unanticipated events. We have based these forward lookingforward-looking statements on our current expectations and projections about future events and financial trends that we believe may affect our financial condition, operating results, business strategy and financial needs. There are important factors that could cause our actual results, level of activity, performance or achievements to differ materially from the results, level of activity, performance or achievements expressed or implied by the forward lookingforward-looking statements including, but not limited to:
uncertainty relating to the coronavirus (COVID-19) pandemic and its variants or the measures taken by governmental authorities and other third partiesthird-parties to combat it,contain the spread of COVID-19, including their impact on the global economy, the U.S. housing, real estate, housing finance and mortgage insurance markets, and our business, operations and personnel;
changes in the charters, business practices, policy or priorities of Fannie Mae and Freddie Mac (collectively, the GSEs), includingwhich may include decisions that have the impact of decreasing or discontinuing the use of mortgage insurance as credit enhancement generally, or with first time homebuyers or on very high loan-to-value mortgages; or changes in the direction of housing policy objectives of the Federal Housing Finance Agency (FHFA), such as the FHFA's priority to increase the accessibility to and affordability of homeownership for low-and-moderate income borrowers and underrepresented communities;
our ability to remain an eligible mortgage insurer under the private mortgage insurer eligibility requirements (PMIERs) and other requirements imposed by the GSEs, which they may change at any time;
retention of our existing certificates of authority in each state and the District of Columbia (D.C.) and our ability to remain a mortgage insurer in good standing in each state and D.C.;
our future profitability, liquidity and capital resources;
actions of existing competitors, including other private mortgage insurers and government mortgage insurers such as the Federal Housing Administration (FHA), the U.S. Department of Agriculture's Rural Housing Service (USDA) and the U.S. Department of Veterans Affairs (VA) (collectively, government MIs), and potential market entry by new competitors or consolidation of existing competitors;
developments in the world's financial, capital and capitalcredit markets and our access to such markets, including reinsurance;
adoption of new or changes to existing laws, rules and regulations that impact our business or financial condition directly or the mortgage insurance industry generally or their enforcement and implementation by regulators, including the timing and eventual implementation of the final rules defining and/or concerning "Qualified Mortgage" and "Qualified Residential Mortgage" definitions;
U.S. federal tax reform and the expiration of the "QM Patch" under the Dodd-Frank Act Ability to Repay/Qualified Mortgage rule;other potential changes in tax law and their impact on us and our operations;
legislative or regulatory changes to the GSEs' role in the secondary mortgage market or other changes that could affect the residential mortgage industry generally or mortgage insurance industry in particular;
3


potential future lawsuits,legal and regulatory claims, investigations, actions, audits or inquiries that could result in adverse judgements, settlements, fines or resolution of current lawsuitsother reliefs that could require significant expenditures or inquiries;have other negative effects on our business;
changes in general economic, market and political conditions and policies (including rising interest rates inflationand inflation) and investment results or other conditions that affect the housing market or the markets for home mortgages or mortgage insurance;insurance, including the risks related to geopolitical instability, an economic downturn (including any decline in home prices) or recession, and their impacts on our business, operations and personnel;

our ability to successfully execute and implement our capital plans, including our ability to access the capital, credit and reinsurance markets and to enter into, and receive approval of, reinsurance arrangements on terms and conditions that are acceptable to us, the GSEs and our regulators;
3


lenders, the GSEs, or other market participants seeking alternatives to private mortgage insurance;
our ability to implement our business strategy, including our ability to write mortgage insurance on high quality low down payment residential mortgage loans, implement successfully and on a timely basis, complex infrastructure, systems, procedures, and internal controls to support our business and regulatory and reporting requirements of the insurance industry;
our ability to attract and retain a diverse customer base, including the largest mortgage originators;
failure of risk management or pricing or investment strategies;
decrease in the length of time our insurance policies are in force;
emergence of unexpected claim and coverage issues, including claims exceeding our reserves or amounts we had expected to experience;
potential adverse impacts arising from natural disasters (including those that may be caused or exacerbated by climate change), including, with respect to affected areas, a decline in new business, adverse effects on home prices, and an increase in notices of default on insured mortgages;
potential adverse impacts arising from the occurrence of any man-made disasters or public health emergencies, including pandemics;
the inability of our counter-parties, including third partythird-party reinsurers, to meet their obligations to us;
failure to maintain, improve and continue to develop necessary information technology (IT) systems or the failure of technology providers to perform;
effectiveness and security of our information technology systems and digital products and services, including the risks these systems, products or services may fail to operate as expected or planned, or expose us to cybersecurity or third-party risks (including exposure of our confidential customer and other confidential information); and
ability to recruit, train and retain key personnel.
For more information regarding these risks and uncertainties as well as certain additional risks that we face, you should refer to Part I, Item 2, "Management's Discussion and Analysis of Financial Condition and Results of Operations" and elsewhere in this report on Form 10-Q, including the exhibits hereto. In addition, for additional discussion of those risks and uncertainties that have the potential to affect our business, financial condition, results of operations, cash flows or prospects in a material and adverse manner, you should review the Risk Factors in Part II, Item 1A of this Report and in Part I, Item 1A, of our Annual Report on Form 10-K for the year ended December 31, 2020 (20202021 (2021 10-K), as subsequently updated in other reports we file from time to time with the U.S. Securities and Exchange Commission (SEC).
Unless expressly indicated or the context requires otherwise, the terms "we," "our," "us""us," "Company" and the "Company""NMI" in this document refer to NMI Holdings, Inc., a Delaware corporation, and its wholly-ownedwholly owned subsidiaries on a consolidated basis.

4


PART I
Item 1. Financial Statements



INDEX TO FINANCIAL STATEMENTS
Condensed Consolidated Balance Sheets as of June 30, 20212022 (Unaudited) and December 31, 20202021
Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) for the three and six months ended June 30, 20212022 and 20202021 (Unaudited)
Condensed Consolidated Statements of Changes in Shareholders' Equity for the three months ended June 30, 20212022 and 20202021 (Unaudited)
Condensed Consolidated Statements of Cash Flows for the six months ended June 30, 20212022 and 20202021 (Unaudited)
Notes to Condensed Consolidated Financial Statements (Unaudited)

5

NMI HOLDINGS, INC.
CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED)
June 30, 2021December 31, 2020June 30, 2022December 31, 2021
AssetsAssets(In Thousands, except for share data)Assets(In Thousands, except for share data)
Fixed maturities, available-for-sale, at fair value (amortized cost of $1,954,187 and $1,730,835 as of June 30, 2021 and December 31, 2020, respectively)$1,994,280 $1,804,286 
Cash and cash equivalents (including restricted cash of $4,159 and $5,555 as of June 30, 2021 and December 31, 2020, respectively)68,080 126,937 
Fixed maturities, available-for-sale, at fair value (amortized cost of $2,218,344 and $2,078,773 as of June 30, 2022 and December 31, 2021, respectively)Fixed maturities, available-for-sale, at fair value (amortized cost of $2,218,344 and $2,078,773 as of June 30, 2022 and December 31, 2021, respectively)$2,019,420 $2,085,931 
Cash and cash equivalents (including restricted cash of $2,152 and $3,165 as of June 30, 2022 and December 31, 2021, respectively)Cash and cash equivalents (including restricted cash of $2,152 and $3,165 as of June 30, 2022 and December 31, 2021, respectively)72,398 76,646 
Premiums receivablePremiums receivable55,939 49,779 Premiums receivable63,708 60,358 
Accrued investment incomeAccrued investment income11,148 9,862 Accrued investment income12,430 11,900 
Prepaid expensesPrepaid expenses4,095 3,292 Prepaid expenses4,994 3,530 
Deferred policy acquisition costs, netDeferred policy acquisition costs, net62,137 62,225 Deferred policy acquisition costs, net59,768 59,584 
Software and equipment, netSoftware and equipment, net31,443 29,665 Software and equipment, net32,071 32,047 
Intangible assets and goodwillIntangible assets and goodwill3,634 3,634 Intangible assets and goodwill3,634 3,634 
Prepaid reinsurance premiumsPrepaid reinsurance premiums3,831 6,190 Prepaid reinsurance premiums1,711 2,393 
Reinsurance recoverableReinsurance recoverable19,726 17,608 Reinsurance recoverable19,588 20,320 
Other assetsOther assets51,565 53,188 Other assets102,566 94,238 
Total assetsTotal assets$2,305,878 $2,166,666 Total assets$2,392,288 $2,450,581 
LiabilitiesLiabilitiesLiabilities
DebtDebt$393,949 $393,301 Debt$395,323 $394,623 
Unearned premiumsUnearned premiums142,148 118,817 Unearned premiums135,681 139,237 
Accounts payable and accrued expensesAccounts payable and accrued expenses56,803 61,716 Accounts payable and accrued expenses58,947 72,000 
Reserve for insurance claims and claim expensesReserve for insurance claims and claim expenses101,235 90,567 Reserve for insurance claims and claim expenses98,462 103,551 
Reinsurance funds withheldReinsurance funds withheld6,904 8,653 Reinsurance funds withheld4,489 5,601 
Warrant liability, at fair valueWarrant liability, at fair value3,385 4,409 Warrant liability, at fair value— 2,363 
Deferred tax liability, netDeferred tax liability, net136,273 112,586 Deferred tax liability, net161,658 164,175 
Other liabilitiesOther liabilities5,276 7,026 Other liabilities12,636 3,245 
Total liabilitiesTotal liabilities845,973 797,075 Total liabilities867,196 884,795 
Commitments and contingenciesCommitments and contingencies00Commitments and contingencies00
Shareholders' equityShareholders' equityShareholders' equity
Common stock - class A shares, $0.01 par value; 85,703,487 and 85,163,039 shares issued and outstanding as of June 30, 2021 and December 31, 2020, respectively (250,000,000 shares authorized)857 852 
Common stock - class A shares, $0.01 par value; 86,375,154 shares issued and 84,701,092 shares outstanding as of June 30, 2022 and 85,792,849 shares issued and outstanding as of December 31, 2021 (250,000,000 shares authorized)Common stock - class A shares, $0.01 par value; 86,375,154 shares issued and 84,701,092 shares outstanding as of June 30, 2022 and 85,792,849 shares issued and outstanding as of December 31, 2021 (250,000,000 shares authorized)864 858 
Additional paid-in capitalAdditional paid-in capital944,121 937,872 Additional paid-in capital964,654 955,302 
Accumulated other comprehensive income, net of tax27,503 53,856 
Treasury Stock, at cost: 1,674,062 and 0 common shares as of June 30, 2022 and December 31, 2021, respectivelyTreasury Stock, at cost: 1,674,062 and 0 common shares as of June 30, 2022 and December 31, 2021, respectively(30,371)— 
Accumulated other comprehensive (loss) income, net of taxAccumulated other comprehensive (loss) income, net of tax(161,320)1,485 
Retained earningsRetained earnings487,424 377,011 Retained earnings751,265 608,141 
Total shareholders' equityTotal shareholders' equity1,459,905 1,369,591 Total shareholders' equity1,525,092 1,565,786 
Total liabilities and shareholders' equityTotal liabilities and shareholders' equity$2,305,878 $2,166,666 Total liabilities and shareholders' equity$2,392,288 $2,450,581 



See accompanying notes to condensed consolidated financial statements (unaudited).
6

NMI HOLDINGS, INC.
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (UNAUDITED)
For the three months ended June 30,For the six months ended June 30,For the three months ended June 30,For the six months ended June 30,
20212020202120202022202120222021
RevenuesRevenues(In Thousands, except for per share data)Revenues(In Thousands, except for per share data)
Net premiums earnedNet premiums earned$110,888 $98,944 $216,767 $197,661 Net premiums earned$120,870 $110,888 $237,365 $216,767 
Net investment incomeNet investment income9,382 7,070 18,196 15,174 Net investment income10,921 9,382 21,120 18,196 
Net realized investment gainsNet realized investment gains12 711 12 639 Net realized investment gains53 12 461 12 
Other revenuesOther revenues483 1,223 984 2,123 Other revenues376 483 715 984 
Total revenuesTotal revenues120,765 107,948 235,959 215,597 Total revenues132,220 120,765 259,661 235,959 
ExpensesExpensesExpenses
Insurance claims and claim expenses4,640 34,334 9,602 40,031 
Insurance claims and claim (benefits) expensesInsurance claims and claim (benefits) expenses(3,036)4,640 (3,655)9,602 
Underwriting and operating expensesUnderwriting and operating expenses34,725 30,370 68,790 62,647 Underwriting and operating expenses30,700 34,725 63,635 68,790 
Service expensesService expenses481 1,090 1,072 1,824 Service expenses336 481 766 1,072 
Interest expenseInterest expense7,922 5,941 15,837 8,685 Interest expense8,051 7,922 16,092 15,837 
(Gain) loss from change in fair value of warrant liability(658)1,236 (453)(4,723)
Gain from change in fair value of warrant liabilityGain from change in fair value of warrant liability(1,020)(658)(1,113)(453)
Total expensesTotal expenses47,110 72,971 94,848 108,464 Total expenses35,031 47,110 75,725 94,848 
Income before income taxesIncome before income taxes73,655 34,977 141,111 107,133 Income before income taxes97,189 73,655 183,936 141,111 
Income tax expenseIncome tax expense16,133 8,129 30,697 22,014 Income tax expense21,745 16,133 40,812 30,697 
Net incomeNet income$57,522 $26,848 $110,414 $85,119 Net income$75,444 $57,522 $143,124 $110,414 
Earnings per shareEarnings per shareEarnings per share
BasicBasic$0.67 $0.36 $1.29 $1.20 Basic$0.88 $0.67 $1.67 $1.29 
DilutedDiluted$0.65 $0.36 $1.27 $1.11 Diluted$0.86 $0.65 $1.63 $1.27 
Weighted average common shares outstandingWeighted average common shares outstandingWeighted average common shares outstanding
BasicBasic85,647 73,617 85,483 71,090 Basic85,734 85,647 85,842 85,483 
DilutedDiluted86,819 74,174 86,729 72,407 Diluted86,577 86,819 86,943 86,729 
Net incomeNet income$57,522 $26,848 $110,414 $85,119 Net income$75,444 $57,522 $143,124 $110,414 
Other comprehensive income (loss), net of tax:
Unrealized gains (losses) in accumulated other comprehensive gain (loss), net of tax expense (benefit) of $4,995 and $8,978 for the three months ended June 30, 2021 and 2020, and $(7,003) and $5,162 for the six months ended June 30, 2021 and 2020, respectively18,790 33,773 (26,343)19,418 
Other comprehensive (loss) income, net of tax:Other comprehensive (loss) income, net of tax:
Unrealized (losses) gains in accumulated other comprehensive income (loss), net of tax (benefit) expense of $(17,004) and $4,995 for the three months ended June 30, 2022 and 2021, and $(43,180) and $(7,003) for the six month ended June 30, 2022 and 2021, respectivelyUnrealized (losses) gains in accumulated other comprehensive income (loss), net of tax (benefit) expense of $(17,004) and $4,995 for the three months ended June 30, 2022 and 2021, and $(43,180) and $(7,003) for the six month ended June 30, 2022 and 2021, respectively(63,967)18,790 (162,438)(26,343)
Reclassification adjustment for realized (gains) losses included in net income, net of tax expense (benefit) of $3 and $149 for the three months ended June 30, 2021 and 2020, and $3 and ($258) for the six months ended June 30, 2021 and 2020, respectively(10)(562)(10)969 
Other comprehensive income (loss), net of tax18,780 33,211 (26,353)20,387 
Comprehensive income$76,302 $60,059 $84,061 $105,506 
Reclassification adjustment for realized gains included in net income, net of tax expense of $11 and $3 for the three months ended June 30, 2022 and 2021, and $97 and $3 for the six months ended June 30, 2022 and 2021, respectivelyReclassification adjustment for realized gains included in net income, net of tax expense of $11 and $3 for the three months ended June 30, 2022 and 2021, and $97 and $3 for the six months ended June 30, 2022 and 2021, respectively(44)(10)(367)(10)
Other comprehensive (loss) income, net of taxOther comprehensive (loss) income, net of tax(64,011)18,780 (162,805)(26,353)
Comprehensive income (loss)Comprehensive income (loss)$11,433 $76,302 $(19,681)$84,061 

See accompanying notes to condensed consolidated financial statements (unaudited).
7

NMI HOLDINGS, INC.
CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (UNAUDITED)

Common Stock - Class AAdditional
Paid-in Capital
Accumulated Other Comprehensive IncomeRetained EarningsTotal
SharesAmount
(In Thousands)
Balances, December 31, 202085,163 $852 $937,872 $53,856 $377,011 $1,369,591 
Common stock: class A shares issued related to warrant exercises24 *557 — — 557 
Common stock: class A shares issued under stock plans, net of shares withheld for employee taxes413 (624)— — (620)
Share-based compensation expense— — 3,022 — — 3,022 
Change in unrealized investment gains/losses, net of tax benefit of $11,997— — — (45,133)— (45,133)
Net income— — — — 52,891 52,891 
Balances, March 31, 202185,600 $856 $940,827 $8,723 $429,902 $1,380,308 
Common stock: class A shares issued related to warrants*197 — — 197 
Common stock: class A shares issued under stock plans, net of shares withheld for employee taxes95 (286)— — (285)
Share-based compensation expense— — 3,383 — — 3,383 
Change in unrealized investment gains/losses, net of tax expense of $4,992— — — 18,780 — 18,780 
Net income— — — — 57,522 57,522 
Balances, June 30, 202185,703 $857 $944,121 $27,503 $487,424 $1,459,905 


Common Stock - Class AAdditional
Paid-in Capital
Treasury Stock, At CostAccumulated Other Comprehensive Income (Loss)Retained EarningsTotal
SharesAmount
(In Thousands)
Balances, December 31, 202185,793 $858 $955,302 $— $1,485 $608,141 $1,565,786 
Common stock: class A shares issued related to warrant exercises51 1,143 — — — 1,144 
Common stock: class A shares issued under stock plans, net of shares withheld for employee taxes430 26 — — — 30 
Repurchase of common stock(235)— — (5,000)(5,000)
Share-based compensation expense— — 4,196 — — — 4,196 
Change in unrealized investment gains/losses, net of tax benefit of $26,262— — — — (98,794)— (98,794)
Net income— — — — — 67,680 67,680 
Balances, March 31, 202286,039 $863 $960,667 $(5,000)$(97,309)$675,821 $1,535,042 
Common stock: class A shares issued related to warrant exercises33 *624 — — — 624 
Common stock: class A shares issued under stock plans, net of shares withheld for employee taxes68 (504)— — — (503)
Repurchase of common stock(1,439)— — (25,371)— — (25,371)
Share-based compensation expense— — 3,867 — — — 3,867 
Change in unrealized investment gains/losses, net of tax benefit of $17,015— — — — (64,011)— (64,011)
Net income— — — — — 75,444 75,444 
Balances, June 30, 202284,701 $864 $964,654 $(30,371)$(161,320)$751,265 $1,525,092 

*    During the three months ended March 31, 2021,June 30, 2022, we issued 23,75032,659 common shares with a par value of $0.01 in connection with the exercise of warrants, which is not identifiable in this schedule due to rounding.


8

NMI HOLDINGS, INC.
CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (UNAUDITED)



Common Stock - Class AAdditional
Paid-in Capital
Accumulated Other Comprehensive Income (Loss)Retained EarningsTotal
SharesAmount
(In Thousands)
Balances, December 31, 202085,163 $852 $937,872 $53,856 $377,011 $1,369,591 
Common stock: class A shares issued related to warrant exercises24 *557 — — 557 
Common stock: class A shares issued under stock plans, net of shares withheld for employee taxes413 (624)— — (620)
Share-based compensation expense— — 3,022 — — 3,022 
Change in unrealized investment gains/losses, net of tax benefit of $11,997— — — (45,133)— (45,133)
Net income— — — — 52,891 52,891 
Balances, March 31, 202185,600 $856 $940,827 $8,723 $429,902 $1,380,308 
Common stock: class A shares issued related to warrant exercises*197 — — 197 
Common stock: class A shares issued under stock plans, net of shares withheld for employee taxes95 (286)— — (285)
Share-based compensation expense— — 3,383 — — 3,383 
Change in unrealized investment gains/losses, net of tax expense of $4,992— — — 18,780 — 18,780 
Net income— — — — 57,522 57,522 
Balances, June 30, 202185,703 $857 $944,121 $27,503 $487,424 $1,459,905 
*    During the three months ended March 31, 2021 and June 30, 2021, we issued 23,750 and 8,096 common shares, respectively, with a par value of $0.01 in connection with the exercise of warrants, which is not identifiable in this schedule due to rounding.
















8

NMI HOLDINGS, INC.
CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (UNAUDITED)
Common Stock - Class AAdditional
Paid-in Capital
Accumulated Other Comprehensive IncomeRetained EarningsTotal
SharesAmount
(In Thousands)
Balances, December 31, 201968,358 $684 $707,003 $17,288 $205,445 $930,420 
Common stock: class A shares issued related to warrant exercises*221 — — 221 
Common stock: class A shares issued under stock plans, net of shares withheld for employee taxes510 (3,755)— — (3,750)
Share-based compensation expense— — 2,552 — — 2,552 
Change in unrealized investment gains/losses, net of tax benefit of $3,409— — — (12,824)— (12,824)
Net income— — — — 58,271 58,271 
Balances, March 31, 202068,874 $689 $706,021 $4,464 $263,716 $974,890 
Common stock: class A shares issued related to warrants15,870 159 219,528 — — 219,687 
Common stock: class A shares issued under stock plans, net of shares withheld for employee taxes61 *(321)— — (321)
Share-based compensation expense— — 2,722 — — 2,722 
Change in unrealized investment gains/losses, net of tax expense of $8,829— — — 33,211 — 33,211 
Net income— — — — 26,848 26,848 
Balances, June 30, 202084,805 $848 $927,950 $37,675 $290,564 $1,257,037 

*    During the three months ended March 31, 2020, we issued 6,474 common shares with a par value of $0.01 in connection with the exercise of warrants, which is not identifiable in this schedule due to rounding. During three months ended June 30, 2020, we issued 61,226 common shares, with a par value of $0.01 in connection with shares issued under stock plan, which is not identifiable in this schedule due to rounding.
See accompanying notes to condensed consolidated financial statements (unaudited).



9

NMI HOLDINGS, INC.
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED)
For the six months ended June 30,
20212020
Cash flows from operating activities(In Thousands)
Net income$110,414 $85,119 
Adjustments to reconcile net income to net cash provided by operating activities:
Net realized investment gains(12)(639)
Gain (loss) from change in fair value of warrant liability(453)(4,723)
Depreciation and amortization5,344 4,914 
Net amortization of premium on investment securities3,289 629 
Amortization of debt discount and debt issuance costs893 3,267 
Deferred income taxes30,692 22,006 
Share-based compensation expense6,405 5,274 
Changes in operating assets and liabilities:
Premiums receivable(6,160)(323)
Accrued investment income(1,286)(1,078)
Prepaid expenses(803)96 
Deferred policy acquisition costs, net88 (3,647)
Other assets230 (328)
Unearned premiums23,331 (21,406)
Reserve for insurance claims and claim expenses10,668 46,151 
Reinsurance recoverable(2,118)(9,368)
Reinsurance balances, net2,658 
Accounts payable and accrued expenses2,013 (1,247)
Net cash provided by operating activities182,544 127,355 
Cash flows from investing activities
Purchase of short-term investments(8,991)(41,872)
Purchase of fixed-maturity investments, available-for-sale(286,635)(451,462)
Proceeds from maturity of short-term investments85,689 
Proceeds from redemptions, maturities and sale of fixed-maturity investments, available-for-sale60,997 297,977 
Software and equipment(6,050)(4,638)
Net cash (used in) investing activities(240,679)(114,306)
Cash flows from financing activities
Proceeds from issuance of common stock related to public offering, net of issuance costs220,284 
Proceeds from issuance of common stock related to employee equity plans4,043 3,391 
Proceeds from issuance of common stock related to warrants183 
Taxes paid related to net share settlement of equity awards(4,948)(7,462)
Proceeds from senior secured notes400,000 
Repayments of term loan(147,750)
Payments of debt issuance/modification costs(7,151)
Net cash (used in) provided by financing activities(722)461,312 
Net (decrease) increase in cash, cash equivalents and restricted cash(58,857)474,361 
Cash, cash equivalents and restricted cash, beginning of period126,937 41,089 
Cash, cash equivalents and restricted cash, end of period$68,080 $515,450 
Supplemental disclosures of cash flow information
Interest paid$14,750 $4,286 
Income taxes refunded$457 $76 

For the six months ended June 30,
20222021
Cash flows from operating activities(In Thousands)
Net income$143,124 $110,414 
Adjustments to reconcile net income to net cash provided by operating activities:
Net realized investment gains(461)(12)
Gain from change in fair value of warrant liability(1,113)(453)
Depreciation and amortization6,044 5,344 
Net amortization of premium on investment securities3,333 3,289 
Amortization of debt discount and debt issuance costs909 893 
Deferred income taxes40,761 30,692 
Share-based compensation expense8,063 6,405 
Changes in operating assets and liabilities:
Premiums receivable(3,350)(6,160)
Accrued investment income(530)(1,286)
Prepaid expenses(1,464)(803)
Deferred policy acquisition costs, net(184)88 
Reinsurance recoverable732 (2,118)
Other assets938 230 
Unearned premiums(3,556)23,331 
Reserve for insurance claims and claim expenses(5,089)10,668 
Reinsurance balances, net(515)
Accounts payable and accrued expenses(13,808)2,013 
Net cash provided by operating activities173,834 182,544 
Cash flows from investing activities
Purchase of short-term investments(118,932)(8,991)
Purchase of fixed-maturity investments, available-for-sale(111,376)(286,635)
Proceeds from maturity of short-term investments33,129 — 
Proceeds from redemptions, maturities and sale of fixed-maturity investments, available-for-sale54,735 60,997 
Software and equipment(5,312)(6,050)
Net cash used in investing activities(147,756)(240,679)
Cash flows from financing activities
Proceeds from issuance of common stock related to employee equity plans4,512 4,043 
Proceeds from issuance of common stock related to warrants518 183 
Taxes paid related to net share settlement of equity awards(4,985)(4,948)
Repurchases of common stock(30,371)— 
Net cash used in financing activities(30,326)(722)
Net decrease in cash, cash equivalents and restricted cash(4,248)(58,857)
Cash, cash equivalents and restricted cash, beginning of period76,646 126,937 
Cash, cash equivalents and restricted cash, end of period$72,398 $68,080 
Supplemental disclosures of cash flow information
Interest paid$14,750 $14,750 
Income taxes refunded$— $457 
See accompanying notes to condensed consolidated financial statements (unaudited).
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NMI HOLDINGS, INC.
NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

1. Organization, Basis of Presentation and Summary of Accounting Principles
NMI Holdings, Inc. (NMIH) is a Delaware corporation, incorporated in May 2011, to provide private mortgage guaranty insurance (which we refer to as mortgage insurance or MI) through its wholly-ownedwholly owned insurance subsidiaries, National Mortgage Insurance Corporation (NMIC) and National Mortgage Reinsurance Inc One (Re One). Our common stock is listed on the NASDAQNasdaq exchange under the ticker symbol "NMIH.""NMIH".
NMIC, our primary insurance subsidiary, issued its first mortgage insurance policy in April 2013. NMIC is licensed to write mortgage insurance in all 50 states and DC.the District of Columbia (D.C.). Re One historically provided reinsurance coverage to NMIC in accordance with certain statutory risk retention requirements. Such requirements have been repealed and the reinsurance coverage provided by Re One to NMIC has been commuted. Re One remains a wholly owned, licensed insurance subsidiary; however, it does not currently have active insurance exposures. In August 2015, NMIH capitalized a wholly-ownedwholly owned subsidiary, NMI Services, Inc. (NMIS), through which we offer outsourced loan review services to mortgage loan originators.
Basis of Presentation
The accompanying unaudited condensed consolidated financial statements, which include the results of NMIH and its wholly-ownedwholly owned subsidiaries, have been prepared in accordance with the instructions to Form 10-Q as prescribed by the SEC for interim reporting and include other information and disclosures required by accounting principles generally accepted in the U.S. (GAAP). Our accounts are maintained in U.S. dollars. These statements should be read in conjunction with our consolidated financial statements and notes thereto for the year ended December 31, 2020,2021, included in our 20202021 10-K. All intercompany transactions have been eliminated. Certain reclassifications to previously reported financial information have been made to conform to our current period presentation. The preparation of financial statements in accordance with GAAP requires management to make estimates and assumptions that affect reported amounts of assets and liabilities, as well as disclosure of contingent assets and liabilities as of the balance sheet date. Estimates also affect the reported amounts of income and expenses for the reporting period. Actual results could differ from those estimates. Certain reclassifications to previously reported financial information have been made to conform to current period presentation. The results of operations for the interim period may not be indicative of the results that may be expected for the full year ending December 31, 2021.2022.
COVID-19 Developments
On January 30, 2020, the World Health Organization (WHO) declared the outbreak of COVID-19 a global health emergency and subsequently characterized the outbreak as a global pandemic on March 11, 2020. In an effort to stem contagion and control the COVID-19 pandemic,spread of the virus, the population at large severely curtailed day-to-day activity and local, state and federal regulators imposed a broad set of restrictions on personal and business conduct nationwide. The COVID-19 pandemic, along with the widespread public and regulatory response, caused a dramatic slowdown in U.S. and global economic activity and a record number of Americans were furloughed or laid-off in the ensuing downturn.activity.
The global dislocation caused by COVID-19 was unprecedented. In response tounprecedented and the COVID-19 outbreakpandemic had a direct impact on the U.S. housing market, private mortgage insurance industry, and uncertainty that it introduced, we activated our disaster continuity program to ensure our employees were safe and able to manage our business without interruption. We pursued a broad series of capital and reinsurance transactions to bolster our balance sheet and expand our ability to serve our customers and their borrowers, and we updated our underwriting guidelines and policy pricing in consideration of the increased level of macroeconomic volatility.
While there is increased optimism thatoperating performance for an extended period. More recently, however, the acute economic impact of COVID-19 has begun to recede,recede. While the pandemic continues to pose a global risk and affect communities across the U.S., it is no longer the single dominant driver of our performance that it had been in earlier periods. COVID-19 is now one of several mosaic factors, including a range of macroeconomic forces and poses significant risk globally. Thepublic policy initiatives that are influencing our market and business.
Although we are optimistic that the nationwide COVID-19 vaccination effort and other medical advances will continue to support a normalization of personal and business activity, the path and pace of global economic recovery will depend, in large part, on the course of the virus (including the newly emergent Delta variant), which itself remains unknown and subject to risk. Given this uncertainty, we are not able to fully assess or estimate the ultimate impact COVID-19 willthe pandemic may have on the mortgage insurance market, our business performance or our financial position including our new business production, default and claims experience, and investment portfolio results at this time.time, and it remains possible COVID-19 could again trigger more severe and adverse outcomes in future periods.
Significant Accounting Principles
There have been no changes to our significant accounting principles as described in Item 8, "Financial Statements and Supplementary Data - Notes to Consolidated Financial Statements - Note 2 - Summary of Accounting Principles" of our 20202021 10-K, except as noted in "Variable Interest EntitiesShare Repurchases"" and "Recent Accounting Pronouncements - Adopted" below.
Variable Interest EntitiesShare Repurchases
    NMICCommon stock repurchases are recorded at cost and presented as "Treasury Stock" in the consolidated balance sheet and statement of changes in shareholders' equity. At the date of repurchase, shareholders' equity is a party to reinsurance agreements with Oaktown Re Ltd., Oaktown Re II Ltd., Oaktown Re III Ltd., Oaktown Re IV Ltd. Oaktown Re V Ltd.,reduced by the aggregate repurchase price plus commissions and Oaktown Re VI Ltd. (special purpose reinsurance entities collectively referred to asother expenses that arise from the Oaktown Re Vehicles) effective May 2, 2017, July 25, 2018, July 30, 2019, July 30, 2020, October 29, 2020 and April 27, 2021, respectively. At inception of the respective reinsurance agreements, we determined that each of the Oaktown Re Vehicles were variable interest entities (VIEs), as defined under GAAP Accounting Standards Codification (ASC) 810, because they did notrepurchase transaction.
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NMI HOLDINGS, INC.
NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
have sufficient equity at risk to finance their respective activities. We evaluated the VIEs at inception to determine whether NMIC was the primary beneficiary under each reinsurance transaction and, if so, whether we were required to consolidate the assets and liabilities of each VIE. The primary beneficiary of a VIE is an enterprise that (1) has the power to direct the activities of the VIE, which most significantly impact its economic performance and (2) has significant economic exposure to the VIE, i.e., the obligation to absorb losses or receive benefits that could potentially be significant. The determination of whether an entity is the primary beneficiary of a VIE is complex and requires management judgment regarding determinative factors, including the expected results of the VIE and how those results are absorbed by beneficial interest holders, as well as which party has the power to direct activities that most significantly impact the performance of the VIE. We concluded that we are not the primary beneficiary of each VIE and, as such, we do not consolidate them in our consolidated financial statements.

Recent Accounting Pronouncements - Adopted
In December 2019,August 2020, the Financial Accounting Standards Board (the FASB) issued ASU 2019-12,2020-06, Simplifying the Accounting for Income Taxes (Topic 740)Debt—Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives and Hedging— Contracts in Entity's Own Equity (Subtopic 815-40). The update eliminatessimplifies the accounting for convertible instruments and contracts on an entity's own equity, including warrants, eliminating certain exceptionstriggers for recognizing deferred taxes for investments, performing intra-period allocations and calculating income taxes in interim periods. The ASU also includes guidance to reduce complexity in certain income tax areas, including recognizing deferred taxes for tax goodwill and allocating taxes to members of a consolidated group.derivative accounting. We adopted this ASU on January 1, 20212022 and determined it did not have a material impact on our consolidated financial statements.statements, including our warrant liability.
Recent Accounting Pronouncements - Not Yet Adopted
In August 2018, the FASB issued ASU 2018-12, Targeted Improvements to the Accounting for Long-Duration Contracts (Topic(Topic 944). The update provides guidance to the existing recognition, measurement, presentation and disclosure requirements for long-duration contracts issued by an insurance entity. The FASB subsequently issued ASU 2019-09 in November 2019 and ASU 2020-11 in November 2020, which amended the effective date for this standard and provided transition relief to facilitate early application for long duration contracts. These standardsThe standard will now take effect for public business entities for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2022. We are currently evaluating the impact the adoption of these ASUsthis ASU will have, if any, on our consolidated financial statements.
In March 2020, the FASB issued ASU 2020-04, Reference Rate Reform (Topic 848). The update provides optional guidance to ease the potential burden in accounting for reference rate reform on financial reporting. Reference rate reform refers to the global transition away from referencing the London Interbank Offered Rate (LIBOR) in financial contracts, which is expected to be discontinued beginning induring a transition period from 2021 through 2023. The ASU includes optional expedients and exceptions for applying GAAP to contracts, hedging relationships and other transactions affected by reference rate reform if certain criteria are met. This standard may be elected and applied prospectively over time from March 12, 2020 through December 31, 2022 as reference rate reform activities occur. The We continue to monitor the impact the discontinuance of LIBOR will have on our contracts and other transactions; however, the adoption of, and future elections under, this ASU, are not expected to have a material impact on our consolidated financial statements as the ASU will ease, if warranted, the requirements for accounting for the future effects of the rate reform. We continue to monitor the impact the discontinuance of LIBOR or another reference rate will have on our contracts and other transactions.
In August 2020, the FASB issued ASU 2020-06, Debt—Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives and Hedging— Contracts in Entity's Own Equity (Subtopic 815-40). This update simplifies the accounting for convertible instruments and contracts on an entity's own equity, including warrants, eliminating certain triggers for derivative accounting. The standard will take effect for public business entities for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2021. We have evaluated the impact the adoption of this ASU and we do not expect it to have a material impact on our consolidated financial statements, including our warrant liability.

2. Investments
We hold all investments on an available-for-sale basis and evaluate each position quarterly for impairment. We recognize an impairment on a security through the statement of operations if (i) we intend to sell the impaired security; or (ii) it is more likely than not that we will be required to sell the impaired security prior to recovery of its amortized cost basis. If a sale is intended or likely to be required, we write down the amortized cost basis of the security to fair value and recognize the full amount of the impairment through the consolidated statement of operations and comprehensive income as a "Net Realized Investment Loss." To the extent we determine that a security impairment is credit-related, an impairment loss is recognized through the statement of operations as a provision for credit loss expense. The portion of a security impairment attributed to other non-credit related factors is recognized in other comprehensive income, net of taxes.
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NMI HOLDINGS, INC.
NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
Fair Values and Gross Unrealized Gains and Losses on Investments
Amortized
Cost
Gross UnrealizedFair
Value
Amortized
Cost
Gross UnrealizedFair
Value
GainsLossesGainsLosses
As of June 30, 2021(In Thousands)
As of June 30, 2022As of June 30, 2022(In Thousands)
U.S. Treasury securities and obligations of U.S. government agenciesU.S. Treasury securities and obligations of U.S. government agencies$29,427 $1,533 $$30,960 U.S. Treasury securities and obligations of U.S. government agencies$39,325 $37 $(613)$38,749 
Municipal debt securitiesMunicipal debt securities506,433 9,610 (1,600)514,443 Municipal debt securities575,813 36 (58,177)517,672 
Corporate debt securitiesCorporate debt securities1,295,461 36,011 (7,315)1,324,157 Corporate debt securities1,424,157 369 (135,862)1,288,664 
Asset-backed securitiesAsset-backed securities113,506 1,906 (52)115,360 Asset-backed securities82,183 — (4,736)77,447 
Total bondsTotal bonds1,944,827 49,060 (8,967)1,984,920 Total bonds2,121,478 442 (199,388)1,922,532 
Short-term investmentsShort-term investments9,360 (1)9,360 Short-term investments96,866 42 (20)96,888 
Total investmentsTotal investments$1,954,187 $49,061 $(8,968)$1,994,280 Total investments$2,218,344 $484 $(199,408)$2,019,420 
Amortized
Cost
Gross UnrealizedFair
Value
Amortized
Cost
Gross UnrealizedFair
Value
GainsLossesGainsLosses
As of December 31, 2020(In Thousands)
As of December 31, 2021As of December 31, 2021(In Thousands)
U.S. Treasury securities and obligations of U.S. government agenciesU.S. Treasury securities and obligations of U.S. government agencies$29,412 $2,186 $$31,598 U.S. Treasury securities and obligations of U.S. government agencies$29,443 $981 $— $30,424 
Municipal debt securitiesMunicipal debt securities407,323 14,027 (2)421,348 Municipal debt securities553,793 5,689 (5,404)554,078 
Corporate debt securitiesCorporate debt securities1,165,260 55,014 (483)1,219,791 Corporate debt securities1,388,204 22,990 (17,364)1,393,830 
Asset-backed securitiesAsset-backed securities128,471 2,736 (27)131,180 Asset-backed securities96,324 684 (427)96,581 
Total bondsTotal bonds1,730,466 73,963 (512)1,803,917 Total bonds2,067,764 30,344 (23,195)2,074,913 
Short-term investmentsShort-term investments369 369 Short-term investments11,009 — 11,018 
Total investmentsTotal investments$1,730,835 $73,963 $(512)$1,804,286 Total investments$2,078,773 $30,353 $(23,195)$2,085,931 
We did not own any mortgage-backed securities in our asset-backed securities portfolio at June 30, 2021 or2022 or December 31, 2020.2021.

The following table presents a breakdown of the fair value of our corporate debt securities by issuer industry group as of June 30, 20212022 and December 31, 2020:2021:
June 30, 2021December 31, 2020June 30, 2022December 31, 2021
FinancialFinancial38 %37 %Financial37 %38 %
ConsumerConsumer22 23 Consumer24 24 
CommunicationsCommunications12 10 Communications12 11 
UtilitiesUtilities10 11 Utilities10 10 
TechnologyTechnology10 10 Technology
IndustrialIndustrialIndustrial
TotalTotal100 %100 %Total100 %100 %
As of June 30, 20212022 and December 31, 2020,2021, approximately $5.6$5.4 million and $5.7$5.6 million, respectively, of our cash and investments were held in the form of U.S. Treasury securities on deposit with various state insurance departments to satisfy regulatory requirements.
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NMI HOLDINGS, INC.
NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
Scheduled Maturities
The amortized cost and fair value of available-for-sale securities as of June 30, 20212022 and December 31, 2020,2021, by contractual maturity, are shown below. Expected maturities will differ from contractual maturities because issuers may have the right to call or prepay obligations with or without call or prepayment penalties. Because most asset-backed securities provide for periodic payments throughout their lives, they are listed below in a separate category.
As of June 30, 2021Amortized
Cost
Fair
Value
As of June 30, 2022As of June 30, 2022Amortized
Cost
Fair
Value
(In Thousands)(In Thousands)
Due in one year or lessDue in one year or less$71,762 $72,265 Due in one year or less$200,379 $200,093 
Due after one through five yearsDue after one through five years581,153 605,423 Due after one through five years806,615 763,587 
Due after five through ten yearsDue after five through ten years1,127,385 1,140,283 Due after five through ten years1,105,332 957,937 
Due after ten yearsDue after ten years60,381 60,949 Due after ten years23,835 20,356 
Asset-backed securitiesAsset-backed securities113,506 115,360 Asset-backed securities82,183 77,447 
Total investmentsTotal investments$1,954,187 $1,994,280 Total investments$2,218,344 $2,019,420 
As of December 31, 2020Amortized
Cost
Fair
Value
As of December 31, 2021As of December 31, 2021Amortized
Cost
Fair
Value
(In Thousands)(In Thousands)
Due in one year or lessDue in one year or less$57,429 $57,949 Due in one year or less$81,699 $82,201 
Due after one through five yearsDue after one through five years507,444 536,520 Due after one through five years630,625 644,447 
Due after five through ten yearsDue after five through ten years1,016,230 1,056,098 Due after five through ten years1,215,224 1,207,997 
Due after ten yearsDue after ten years21,261 22,539 Due after ten years54,901 54,705 
Asset-backed securitiesAsset-backed securities128,471 131,180 Asset-backed securities96,324 96,581 
Total investmentsTotal investments$1,730,835 $1,804,286 Total investments$2,078,773 $2,085,931 
Aging of Unrealized Losses
As of June 30, 2021,2022, the investment portfolio had gross unrealized losses of $9.0$199.4 million, NaN of which $41.7 million were associated with securities that had been in an unrealized loss position for a period of twelve monthstwelve-months or longer. As of December 31, 2020,2021, the investment portfolio had gross unrealized losses of $512 thousand,$23.2 million, of which $8 thousand$6.5 million were associated with securities that had been in an unrealized loss position for a period of twelve monthstwelve-months or longer. For those securities in an unrealized loss position, the length of time the securities were in such a position is as follows:
Less Than 12 Months12 Months or GreaterTotal
# of SecuritiesFair ValueUnrealized Losses# of SecuritiesFair ValueUnrealized Losses# of SecuritiesFair ValueUnrealized Losses
As of June 30, 2021(Dollars in Thousands)
Municipal debt securities99 $169,463 $(1,600)$099 $169,463 $(1,600)
Corporate debt securities70 464,406 (7,315)070 464,406 (7,315)
Asset-backed securities5,136 (52)05,136 (52)
Short-term investments5,994 (1)5,994 (1)
Total173 $644,999 $(8,968)$$173 $644,999 $(8,968)
Less Than 12 Months12 Months or GreaterTotalLess Than 12 Months12 Months or GreaterTotal
# of SecuritiesFair ValueUnrealized Losses# of SecuritiesFair ValueUnrealized Losses# of SecuritiesFair ValueUnrealized Losses# of SecuritiesFair ValueUnrealized Losses# of SecuritiesFair ValueUnrealized Losses# of SecuritiesFair ValueUnrealized Losses
As of December 31, 2020(Dollars in Thousands)
As of June 30, 2022As of June 30, 2022(Dollars in Thousands)
U.S. Treasury securities and obligations of U.S. government agenciesU.S. Treasury securities and obligations of U.S. government agencies16 $28,913 $(613)— $— $— 16 $28,913 $(613)
Municipal debt securitiesMunicipal debt securities3,548 (2)3,548 (2)Municipal debt securities221 475,694 (53,490)17 26,269 (4,687)238 501,963 (58,177)
Corporate debt securitiesCorporate debt securities40,081 (483)33 10 40,114 (483)Corporate debt securities266 967,117 (99,181)35 216,713 (36,681)301 1,183,830 (135,862)
Asset-backed securitiesAsset-backed securities5,191 (19)2,495 (8)7,686 (27)Asset-backed securities27 75,688 (4,454)1,759 (282)28 77,447 (4,736)
Short-term investmentsShort-term investments13 39,287 (20)— — — 13 39,287 (20)
TotalTotal15 $48,820 $(504)$2,528 $(8)17 $51,348 $(512)Total543 $1,586,699 $(157,758)53 $244,741 $(41,650)596 $1,831,440 $(199,408)
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NMI HOLDINGS, INC.
NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
Less Than 12 Months12 Months or GreaterTotal
# of SecuritiesFair ValueUnrealized Losses# of SecuritiesFair ValueUnrealized Losses# of SecuritiesFair ValueUnrealized Losses
As of December 31, 2021(Dollars in Thousands)
Municipal debt securities151 $314,823 $(4,959)$8,138 $(445)153 $322,961 $(5,404)
Corporate debt securities114 653,488 (11,426)20 146,003 (5,938)134 799,491 (17,364)
Asset-backed securities11 57,601 (357)1,977 (70)12 59,578 (427)
Total276 $1,025,912 $(16,742)23 $156,118 $(6,453)299 $1,182,030 $(23,195)
Allowance for credit losses
As of June 30, 20212022 and December 31, 2020,2021, we did not recognize an allowance for credit loss for any security in the investment portfolio and we did not record any provision for credit loss for investment securities during the three or six month periods ended June 30, 20212022 or June 30, 2020.2021.
The increase in the number of securities in and the aggregate size of the unrealized loss position as of June 30, 2021,2022, was primarily driven by interest rate movements following the purchase date of certain securities. We evaluated the securities in an unrealized loss position as of June 30, 2022, assessing their credit ratings as well as any adverse conditions specifically related to the security. Based on current factsupon our estimate of the amount and circumstances,timing of cash flows to be collected over the remaining life of each instrument, we believe the unrealized losses as of June 30, 20212022 are not indicative of the ultimate collectability of the current amortized cost of the securities.

Net Investment Income
The following table presents the components of net investment income:
For the three months ended June 30,For the six months ended June 30,For the three months ended June 30,For the six months ended June 30,
20212020202120202022202120222021
(In Thousands)(In Thousands)
Investment incomeInvestment income$9,608 $7,320 $18,833 $15,669 Investment income$11,238 $9,608 $21,770 $18,833 
Investment expensesInvestment expenses(226)(250)(637)(495)Investment expenses(317)(226)(650)(637)
Net investment incomeNet investment income$9,382 $7,070 $18,196 $15,174 Net investment income$10,921 $9,382 $21,120 $18,196 

The following table presents the components of net realized investment losses:gains:
For the three months ended June 30,For the six months ended June 30,For the three months ended June 30,For the six months ended June 30,
20212020202120202022202120222021
(In Thousands)(In Thousands)
Gross realized investment gainsGross realized investment gains$12 $4,586 $12 $5,126 Gross realized investment gains$57 $12 $466 $12 
Gross realized investment lossesGross realized investment losses(3,875)(4,487)Gross realized investment losses(4)— (5)— 
Net realized investment gainsNet realized investment gains$12 $711 $12 $639 Net realized investment gains$53 $12 $461 $12 

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NMI HOLDINGS, INC.
NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
3. Fair Value of Financial Instruments
The following describes the valuation techniques used by us to determine the fair value of our financial instruments:
We established a fair value hierarchy by prioritizing the inputs to valuation techniques used to measure fair value. The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level 1 measurements) and the lowest priority to unobservable inputs (Level 3 measurements). The three levels of the fair value hierarchy under this standard are described below:
Level 1 - Fair value measurements based on quoted prices in active markets that we have the ability to access for identical assets or liabilities. Market price data generally is obtained from exchange or dealer markets. We do not adjust the quoted price for such instruments.
Level 2 - Fair value measurements based on inputs other than quoted prices included in Level 1 that are observable for the asset or liability, either directly or indirectly. Level 2 inputs include quoted prices for similar assets and liabilities in active markets, quoted prices for identical or similar assets or liabilities in markets that are not active, and inputs other than quoted prices that are observable for the asset or liability, such as interest rates and yield curves that are observable at commonly quoted intervals.
Level 3 - Fair value measurements based on valuation techniques that use significant inputs that are unobservable. Both observable and unobservable inputs may be used to determine the fair values of positions classified in Level 3. The circumstances for using these measurements include those in which there is little, if any, market activity for the asset or
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NMI HOLDINGS, INC.
NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
liability. Therefore, we must make certain assumptions, which require significant management judgment or estimation about the inputs a hypothetical market participant would use to value that asset or liability.
In certain cases, the inputs used to measure fair value may fall into different levels of the fair value hierarchy. In such cases, the level in the fair value hierarchy is determined based on the lowest level input that is significant to the fair value measurement in its entirety.
Assets classified as Level 1 and Level 2
To determine the fair value of securities available-for-sale in Level 1 and Level 2 of the fair value hierarchy, independent pricing sources have been utilized. One price is provided per security based on observable market data. To ensure securities are appropriately classified in the fair value hierarchy, we review the pricing techniques and methodologies of the independent pricing sources and believe that their policies adequately consider market activity, either based on specific transactions for the issue valued or based on modeling of securities with similar credit quality, duration, yield and structure that were recently traded. A variety of inputs are utilized by the independent pricing sources including benchmark yields, reported trades, non-binding broker/dealer quotes, issuer spreads, two sided markets, benchmark securities, bids, offers and reference data including data published in market research publications. Inputs may be weighted differently for any security, and not all inputs are used for each security evaluation. Market indicators, industry and economic events are also considered. This information is evaluated using a multidimensional pricing model. Quality controls are performed by the independent pricing sources throughout this process, which include reviewing tolerance reports, trading information and data changes, and directional moves compared to market moves. This model combines all inputs to arrive at a value assigned to each security. We have not made any adjustments to the prices obtained from the independent pricing sources.
Liabilities classified as Level 3
We calculate the fair value of outstanding warrants utilizing Level 3 inputs, including a Black-Scholes option-pricing model, in combination with a binomial model, and we value the pricing protection features within the warrants using a Monte-Carlo simulation model. Variables in the model include the risk-free rate of return, dividend yield, expected life and expected volatility of our stock price. All outstanding and unexercised warrants expired in April 2022 and there was no warrant liability remaining as of June 30, 2022.

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NMI HOLDINGS, INC.
NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
The following tables present the level within the fair value hierarchy at which our financial instruments were measured:
Fair Value Measurements UsingFair Value Measurements Using
Quoted Prices in
Active Markets for
Identical Assets
(Level 1)
Significant Other
Observable Inputs
(Level 2)
Significant
Unobservable
Inputs
(Level 3)
Fair ValueQuoted Prices in
Active Markets for
Identical Assets
(Level 1)
Significant Other
Observable Inputs
(Level 2)
Significant
Unobservable
Inputs
(Level 3)
Fair Value
As of June 30, 2021(In Thousands)
As of June 30, 2022As of June 30, 2022(In Thousands)
U.S. Treasury securities and obligations of U.S. government agenciesU.S. Treasury securities and obligations of U.S. government agencies$30,960 $$$30,960 U.S. Treasury securities and obligations of U.S. government agencies$38,749 $— $— $38,749 
Municipal debt securitiesMunicipal debt securities514,443 514,443 Municipal debt securities— 517,672 — 517,672 
Corporate debt securitiesCorporate debt securities1,324,157 1,324,157 Corporate debt securities— 1,288,664 — 1,288,664 
Asset-backed securitiesAsset-backed securities115,360 115,360 Asset-backed securities— 77,447 — 77,447 
Cash, cash equivalents and short-term investmentsCash, cash equivalents and short-term investments77,440 77,440 Cash, cash equivalents and short-term investments169,286 0— 169,286 
Total assetsTotal assets$108,400 $1,953,960 $$2,062,360 Total assets$208,035 $1,883,783 $— $2,091,818 
Warrant liability3,385 3,385 
Total liabilities$$$3,385 $3,385 
Fair Value Measurements UsingFair Value Measurements Using
Quoted Prices in
Active Markets for
Identical Assets
(Level 1)
Significant Other
Observable Inputs
(Level 2)
Significant
Unobservable
Inputs
(Level 3)
Fair ValueQuoted Prices in
Active Markets for
Identical Assets
(Level 1)
Significant Other
Observable Inputs
(Level 2)
Significant
Unobservable
Inputs
(Level 3)
Fair Value
As of December 31, 2020(In Thousands)
As of December 31, 2021As of December 31, 2021(In Thousands)
U.S. Treasury securities and obligations of U.S. government agenciesU.S. Treasury securities and obligations of U.S. government agencies$31,598 $$$31,598 U.S. Treasury securities and obligations of U.S. government agencies$30,424 $— $— $30,424 
Municipal debt securitiesMunicipal debt securities421,348 421,348 Municipal debt securities— 554,078 — 554,078 
Corporate debt securitiesCorporate debt securities1,219,791 1,219,791 Corporate debt securities— 1,393,830 — 1,393,830 
Asset-backed securitiesAsset-backed securities131,180 131,180 Asset-backed securities— 96,581 — 96,581 
Cash, cash equivalents and short-term investmentsCash, cash equivalents and short-term investments127,306 127,306 Cash, cash equivalents and short-term investments87,664 — — 87,664 
Total assetsTotal assets$158,904 $1,772,319 $$1,931,223 Total assets$118,088 $2,044,489 $— $2,162,577 
Warrant liabilityWarrant liability4,409 4,409 Warrant liability— — 2,363 2,363 
Total liabilitiesTotal liabilities$$$4,409 $4,409 Total liabilities$— $— $2,363 $2,363 
There were no transfers between Level 2 and Level 3 of the fair value hierarchy during the six months ended June 30, 2021,2022, or the year ended December 31, 2020.2021.

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NMI HOLDINGS, INC.
NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
The following table provides a roll-forward of Level 3 liabilities measured at fair value:
For the six months ended June 30,For the six months ended June 30,
Warrant LiabilityWarrant Liability20212020Warrant Liability20222021
(In Thousands)(In Thousands)
Balance, January 1Balance, January 1$4,409 $7,641 Balance, January 1$2,363 $4,409 
Change in fair value of warrant liability included in earningsChange in fair value of warrant liability included in earnings(453)(4,723)Change in fair value of warrant liability included in earnings(1,113)(453)
Issuance of common stock on warrant exerciseIssuance of common stock on warrant exercise(571)(220)Issuance of common stock on warrant exercise(1,250)(571)
Balance, June 30Balance, June 30$3,385 $2,698 Balance, June 30$— $3,385 
All outstanding and unexercised warrants expired in April 2022 and there was no warrant liability remaining as of June 30, 2022. For more information on the expiration of warrants, see Note 8, "Warrants". The following table outlines the key inputs and assumptions used to calculate the fair value of the warrant liability in the Black-Scholes option-pricing model as of the dates indicated.date indicated:
As of June 30,
20212020
Common stock price$22.48 $16.08 
Risk free interest rate0.06 %0.16 %
Expected life0.81 years1.81 years
Expected volatility39.0 %71.6 %
Dividend yield%%
As of June 30, 2021
Common stock price$22.48 
Risk free interest rate0.06 %
Expected life0.81 years
Expected volatility39.0 %
Dividend yield%
The changeschange in fair value of the warrant liability for the six months ended June 30, 2022 was primarily driven by the exercise of certain outstanding warrants and the unexercised expiration of all remaining warrants at their contractual maturity in April 2022. The change in fair value of the warrant liability for the six months ended June 30, 2021 and 2020 werewas driven by the exercise of outstanding warrants, as well as changes in the price of our common stock and other Black-Scholes model inputs during the respective periods.
Financial Instruments not Measured at Fair Value
On June 19, 2020, we issued $400.0 million aggregate principal amount of senior secured notes that mature on June 1, 2025 (the Notes) and used a portion of the proceeds from the Notes offering to repay the outstanding amount due under our $150 million term loan (2018 Term Loan). At June 30, 2021,2022, the Notes were carried at a cost of $393.9$395.3 million, net of unamortized debt issuance costs of $6.1$4.7 million, and had a fair value of $459.3$397.2 million as assessed under our Level 2 hierarchy. At December 31, 2020,2021, the Notes were carried at a cost of $393.3$394.6 million, net of unamortized debt issuance costs of $6.7$5.4 million, and had a fair value of $447.1$454.6 million.
4. Debt
Senior Secured Notes
At June 30, 2021,2022, we had a $400.0 million aggregate principal amount of senior secured notes outstanding. The Notes were issued pursuant to an indenture dated June 19, 2020 (the Indenture) and bear interest at a rate of 7.375%, payable semi-annually on June 1 and December 1. $244.4 million of proceeds from the Notes offering were contributed to our lead operating subsidiary, NMIC and remaining proceeds were used to repay the outstanding amount due under
the 2018 Term Loan due on May 24, 2023 and to pay underwriting fees incurred connection with the offering.
The Notes mature on June 1, 2025. At any time, or from time to time, prior to March 1, 2025, we may elect to redeem the Notes in whole or in part at a price based on 100% of the aggregate principal amount of any Notes redeemed plus the "Applicable Premium," plus accrued and unpaid interest thereon. Applicable Premium is defined as the greater of (1) 1.0% of the principal amount of the Notes, or (2) the excess of the present value of the principal value of the Notes plus the present value of all future interest payments.payments over the principal amount. At any time on or after March 1, 2025, we may elect to redeem the Notes in whole or in part at a price equal to 100% of the aggregate principal amount of the Notes to be redeemed plus accrued and unpaid interest thereon. From time to time prior to June 1, 2022, we may also elect to use proceeds raised from one or more equity offerings to redeem up to 40% of the aggregate principal amount of the Notes at a price equal to 107.375% of the aggregate principal amount thereof plus accrued and unpaid interest thereon, subject to certain exceptions.
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NMI HOLDINGS, INC.
NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
Interest expense for the Notes includes interest and the amortization of capitalized debt issuance costs. In connection with the Notes offering, we recorded capitalized debt issuance costs of $7.4 million. Such amounts will be amortized over the contractual life of the Notes using the effective interest method. At June 30, 20212022 and December 31, 2020,2021, approximately $6.1$4.7 million and $6.7$5.4 million, respectively, of unamortized debt issuance costs remained.

Interest expense for the three and six months ended June 30, 2020 includes $2.6 million of costs related to the extinguishment of the 2018 Term Loan and the issuance of the Notes.
At June 30, 20212022 and December 31, 2020,2021, $2.5 million of accrued and unpaid interest on the Notes was included in "Accounts Payable and Accrued Expenses" on our condensedthe consolidated balance sheet.
    20202021 Revolving Credit Facility
On March 20, 2020,November 29, 2021, we amended our $85$110 million three-yearsenior secured revolving credit facility (the 20182020 Revolving Credit Facility and as amended, the 2021 Revolving Credit Facility), expanding the lender group, increasing borrowingthe revolving capacity underto $250 million, and extending the facility to $100 million, extending its maturity date from May 24, 2021 to February 22, 2023 and reducingto the interest cost related to both undrawn commitments and drawn borrowings under the facility (as amended, the 2020 Revolving Credit Facility).earlier of (x) November 29, 2025, or (y) if any existing senior secured notes remain outstanding on such date, February 28, 2025. Borrowings under the 20202021 Revolving Credit Facility may be used for general corporate purposes, including to support the growth of our new business production and operations, and accrue interest at a variable rate equal to, at our discretion, (i) a base rateBase Rate (as defined in our existing credit agreement (thethe 2021 Revolving Credit Agreement),Facility) subject to a floor of 1.00% per annum) plus a margin of 0.375% to 1.875% per annum or (ii) the EurodollarAdjusted Term Secured Overnight Financing Rate (as defined in the 2021 Revolving Credit Facility) plus a margin of 1.375% to 2.875% per annum, with the margin in each of (i) or (ii) based on theour applicable corporate credit rating at the time.
On October 30, 2020, we entered into a Joinder Agreement to the Credit Agreement, increasing the aggregate principal amount of commitments under the 2020 Revolving Credit Facility from $100 million to $110 million. All other terms remained unchanged. As of June 30, 2022 and December 31, 2021, 0 amounts wereno amount was drawn under the 20202021 Revolving Credit Facility.
Under the 20202021 Revolving Credit Facility, we are required to pay a quarterly commitment fee on the average daily undrawn amount of 0.175% to 0.525%, based on the applicable corporate credit rating at the time. As of June 30, 2021,2022, the applicable commitment fee was 0.35%. For the three and six months ended June 30, 2021,2022, we recorded $0.1$0.2 million and $0.2$0.4 million of commitment fees in interest expense, respectively. On July 21, 2022, Moody's upgraded its financial strength rating of NMIC from "Baa2" to "Baa1" and its rating of NMIH's Notes from "Ba2" to "Ba1". As a result of the upgrade, the commitment fee due under the 2021 Revolving Credit Facility will be reduced to 0.30%.
We incurred debt issuance costs of $0.8$1.1 million in connection with the 20202021 Revolving Credit Facility, and had $0.6 million of unamortized debt issuance costs associated with the 20182020 Revolving Credit Facility remaining at the time of its amendment and replacement. Combined unamortized debt issuance will be amortized through interest expense on a straight-line basis over the contractual life of the 20202021 Revolving Credit Facility. At June 30, 2021,2022, remaining unamortized deferred debt issuance costs were $0.8$1.4 million.
We are subject to certain covenants under the 20202021 Revolving Credit Facility, including, but not limited to, the following: a maximum debt-to-total capitalization ratio of 35%, a minimum liquidity requirement, compliance with the PMIERs'private mortgage insurer eligibility requirements (PMIERs) financial requirements (subject to any GSE approved waivers), and minimum consolidated net worth and statutory capital requirements (respectively, as defined therein). We were in compliance with all covenants at June 30, 2021.2022.
5. Reinsurance
We enter into third-party reinsurance transactions to actively manage our risk, ensure compliance with PMIERs, state regulatory and other applicable capital requirements, (respectively, as defined therein), and support the growth of our business. The Wisconsin Office of the Commissioner of Insurance (Wisconsin OCI) has approved and the GSEs have indicated their non-objection to all such transactions (subject to certain conditions and ongoing review, including levels of approved capital credit).
19

NMI HOLDINGS, INC.
NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
The effect of our reinsurance agreements on premiums written and earned is as follows:
For the three months endedFor the six months endedFor the three months endedFor the six months ended
June 30, 2021June 30, 2020June 30, 2021June 30, 2020June 30, 2022June 30, 2021June 30, 2022June 30, 2021
(In Thousands)(In Thousands)
Net premiums writtenNet premiums writtenNet premiums written
DirectDirect$148,944 $108,478 $285,176 $211,931 Direct$143,651 $148,944 $282,523 $285,176 
Ceded (1)
Ceded (1)
(22,302)(18,369)(42,719)(30,451)
Ceded (1)
(25,194)(22,302)(48,032)(42,719)
Net premiums writtenNet premiums written$126,642 $90,109 $242,457 $181,480 Net premiums written$118,457 $126,642 $234,491 $242,457 
Net premiums earnedNet premiums earnedNet premiums earned
DirectDirect$134,203 $120,150 $261,846 $233,337 Direct$146,362 $134,203 $286,078 $261,846 
Ceded (1)
Ceded (1)
(23,315)(21,206)(45,079)(35,676)
Ceded (1)
(25,492)(23,315)(48,713)(45,079)
Net premiums earnedNet premiums earned$110,888 $98,944 $216,767 $197,661 Net premiums earned$120,870 $110,888 $237,365 $216,767 
(1)    Net of profit commission.
Excess-of-loss reinsurance
Insurance-linked note excess-of-loss reinsurance transactions
NMIC is a party to reinsurance agreements with Oaktown Re Ltd., Oaktown Re II Ltd., Oaktown Re III Ltd., Oaktown Re IV Ltd., Oaktown Re V Ltd., Oaktown Re VI Ltd., and Oaktown Re VII Ltd. (special purpose reinsurance entities collectively referred to as the Oaktown Re Vehicles that provide itVehicles) effective May 2, 2017, July 25, 2018, July 30, 2019, July 30, 2020, October 29, 2020, April 27, 2021, and October 26, 2021, respectively. Each agreement provides NMIC with aggregate excess-of-loss reinsurance coverage on a defined portfoliosportfolio of mortgage insurance policies. Under each agreement, NMIC retains a first layer of aggregate loss exposure on covered policies and the respective Oaktown Re Vehicle then provides second layer loss protection up to a defined reinsurance coverage amount. NMIC then retains losses in excess of the respective reinsurance coverage amounts.
NMIC makes risk premium payments to the Oaktown Re Vehicles for the applicable outstanding reinsurance coverage amount and pays an additional amount for anticipated operating expenses (capped at $250 thousand per year, except with respect to Oaktown Re Ltd., for which the cap is $300 thousand per year). NMIC ceded aggregate premiums to the Oaktown Re Vehicles of $10.1 million and $21.1 million during the three and six months ended June 30, 2022, respectively, and $10.2 million and $19.6 million during the three and six months ended June 30, 2021, respectively, and $3.3 million and $7.1 million during the three and six months ended June 30, 2020, respectively. The increase in premiums ceded during the respective periods year-on-year is due to the inception of the excess-of-loss reinsurance agreements that NMIC entered in with Oaktown Re IV Ltd., Oaktown Re V Ltd. and Oaktown Re VI Ltd.
NMIC applies claims paid on covered policies against its first layer aggregate retained loss exposure under each excess-of-loss agreement. NMIC did not cede any incurred losses on covered policies to the Oaktown Re Vehicles during the three and six months ended June 30, 20212022 and 2020,2021, as the aggregate first layer risk retention for each applicable agreement was not exhausted during such periods.
Under the terms of each excess-of-loss reinsurance agreement, the Oaktown Re Vehicles are required to fully collateralize their outstanding reinsurance coverage amount to NMIC with funds deposited into segregated reinsurance trusts. Such trust funds are required to be invested in short-term U.S. Treasury money market funds at all times. Each Oaktown Re Vehicle financed its respective collateral requirement through the issuance of mortgage insurance-linked notes to unaffiliated investors. Such insurance-linked notes mature ten years from the inception date of each reinsurance agreement (except the notes issued by Oaktown Re VI Ltd. and Oaktown Re VII Ltd., which have a 12.5 year12.5-year maturity). We refer to NMIC's reinsurance agreements with and the insurance-linked note issuances by the Oaktown Re Vehicles individually as the 2017 ILN Transaction, 2018 ILN Transaction, 2019 ILN Transaction, 2020-1 ILN Transaction, 2020-2 ILN Transaction, 2021-1 ILN Transaction, and 2021-12021-2 ILN Transaction, and collectively as the ILN Transactions.
The respective reinsurance coverage amounts provided by the Oaktown Re Vehicles decrease over a ten-year period as the underlying insured mortgages are amortized or repaid, and/or the mortgage insurance coverage is canceled (except the coverage provided by Oaktown Re VI Ltd. and Oaktown Re VII Ltd., which decreases over a 12.5 year12.5-year period). As the reinsurance coverage decreases, a prescribed amount of collateral held in trust by the Oaktown Re Vehicles is distributed to ILN Transaction noteholdersnote-holders as amortization of the outstanding insurance-linked note principal balances. The outstanding reinsurance coverage amounts stop amortizing, and the collateral distribution to ILN Transaction noteholdersnote-holders and amortization of insurance-linked note principal is suspended if certain credit enhancement or delinquency thresholds, as defined in each agreement, are triggered (each, a Lock-Out Event). A Lock-Out Event was deemed to have occurred, effective June 25, 2020 for each of the 2017, 2018 and 2019 ILN Transactions (related to the default experience of the underlying reference pools for each respective transaction) and at inception of the 2021-1 ILN Transaction (related to the initial build of its target credit enhancement), and the amortization of reinsurance
20

NMI HOLDINGS, INC.
NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
triggered (each, a Lock-Out Event). As of June 30, 2022, the 2018 and 2019 ILN Transactions were deemed to be in Lock Out due to the default experience of the underlying reference pools for each respective transaction and the 2021-2 ILN Transaction was deemed to be in Lock Out in connection with the initial build of its target credit enhancement level. As such, the amortization of reinsurance coverage, and distribution of collateral assets and amortization of insurance-linked notes was suspended for each ILN Transaction. The amortization of reinsurance coverage, distribution of collateral assets and amortization of insurance-linked notes issued in connection with the 2018, 2019 and 2021-2 ILN Transactions will remain suspended for the duration of the Lock-Out Event for each respective ILN Transaction, and during such period assets will be preserved in the applicable reinsurance trust account to collateralize the excess-of-loss reinsurance coverage provided to NMIC.

The following table presents the inception date, covered production period, initial and current reinsurance coverage amount, and initial and current first layer retained aggregate loss under each of the ILN Transactions. Current amounts are presented as of June 30, 2021.
($ values in thousands)
Inception DateCovered ProductionInitial Reinsurance CoverageCurrent Reinsurance CoverageInitial First Layer Retained Loss
Current First Layer Retained Loss (1)
2017 ILN TransactionMay 2, 20171/1/2013 - 12/31/2016$211,320 $40,226 $126,793 $121,234 
2018 ILN TransactionJuly 25, 20181/1/2017 - 5/31/2018264,545 158,489 125,312 122,937 
2019 ILN TransactionJuly 30, 20196/1/2018 - 6/30/2019326,905 231,877 123,424 122,757 
2020-1 ILN TransactionJuly 30, 20207/1/2019 - 3/31/2020322,076 128,750 169,514 169,488 
2020-2 ILN TransactionOctober 29, 2020
4/1/2020 - 9/30/2020 (2)
242,351 205,846 121,777 121,177 
2021-1 ILN Transaction (4)
April 27, 2021
10/1/2020 - 3/31/2021(3)
367,238 367,238 163,708 163,708 
(1)    NMIC applies claims paid on covered policies against its first layer aggregate retained loss exposure and cedes reserves for incurred claims and claims expenses to each applicable ILN Transaction and recognizes a reinsurance recoverable if such incurred claims and claims expenses exceed its current first layer retained loss.
(2)     Approximately 1% of the production covered by the 2020-2 ILN Transaction has coverage reporting dates between July 1, 2019 and March 31, 2020.
(3)    Approximately 1% of the production covered by the 2021-1 ILN Transaction has coverage reporting dates between July 1, 2019 and September 30, 2020.
(4)    As of June 30, 2021, the current reinsurance coverage amount on the 2021-1 ILN transaction is equal to the initial reinsurance coverage, as the reinsurance coverage provided by Oaktown Re will not decrease until its target credit enhancement is met.
NMIC holds optional termination rights under each ILN Transaction, including, among others, an optional call feature which provides NMIC the discretion to terminate the transaction on or after a prescribed date, and a clean-up call if the outstanding reinsurance coverage amount amortizes to 10% or less of the reinsurance coverage amount at inception or if NMIC reasonably determines that changes to GSE or rating agency asset requirements would cause a material and adverse effect on the capital treatment afforded to NMIC under a given agreement. In addition, there are certain events that trigger mandatory termination of an agreement, including NMIC's failure to pay premiums or consent to reductions in a trust account to make principal payments to noteholders,note-holders, among others.
Effective March 25, 2022 and April 25, 2022, NMIC exercised its optional clean-up call to terminate the 2017 and 2020-1 ILN Transactions, respectively. In connection with the termination of each respective transaction, NMIC’s excess of loss reinsurance agreements with Oaktown Re Ltd. and Oaktown Re IV Ltd. were commuted and the insurance-linked notes issued by the respective Oaktown Re Ltd and Oaktown Re IV Ltd. were redeemed in full with a distribution of remaining collateral assets.

The following table presents the inception date, covered production period, initial and current reinsurance coverage amount, and initial and current first layer retained aggregate loss under each outstanding ILN Transaction. Current amounts are presented as of June 30, 2022.
($ values in thousands)
Inception DateCovered ProductionInitial Reinsurance CoverageCurrent Reinsurance CoverageInitial First Layer Retained Loss
Current First Layer Retained Loss (1)
2018 ILN TransactionJuly 25, 20181/1/2017 - 5/31/2018264,545158,489125,312122,327
2019 ILN TransactionJuly 30, 20196/1/2018 - 6/30/2019326,905231,877123,424122,489
2020-2 ILN TransactionOctober 29, 2020
4/1/2020 - 9/30/2020 (2)
242,351127,409121,777121,177
2021-1 ILN TransactionApril 27, 2021
10/1/2020 - 3/31/2021 (3)
367,238339,756163,708163,665
2021-2 ILN Transaction (5)
October 26, 2021
4/1/2021 - 9/30/2021 (4)
363,596363,596146,229146,204
(1)    NMIC applies claims paid on covered policies against its first layer aggregate retained loss exposure and cedes reserves for incurred claims and claim expenses to each applicable ILN Transaction and recognizes a reinsurance recoverable if such incurred claims and claim expenses exceed its current first layer retained loss.
(2)     Approximately 1% of the production covered by the 2020-2 ILN Transaction has coverage reporting dates between July 1, 2019 and March 31, 2020.
(3)    Approximately 1% of the production covered by the 2021-1 ILN Transaction has coverage reporting dates between July 1, 2019 and September 30, 2020.
(4)    Approximately 2% of the production covered by the 2021-2 ILN Transaction has coverage reporting dates between July 1, 2019 and March 31, 2021.
(5)    As of June 30, 2022, the current reinsurance coverage amount on the 2021-2 ILN Transactions is equal to the initial reinsurance coverage amount, as the reinsurance coverage provided by Oaktown Re VII Ltd. will not begin to amortize until a target credit enhancement level is reached.
Under the terms of the 2018, 2019 and 2020-1our ILN Transactions, we are required to maintain a certain level of restricted funds in premium deposit accounts with Bank of New York Mellon until the respective notes have been redeemed in full. "Cash and cash equivalents" on our condensed consolidated balance sheet includes restricted amounts of $4.2$2.2 million and $5.6$3.2 million as of June 30, 20212022 and December 31, 2020,2021, respectively. We are not required to deposit additional funds into the premium deposit accounts in the future and theThe restricted balances required under these transactions will decline over time as the outstanding principal balance of the respective insurance-linked notes are amortized.
Traditional excess-of-loss reinsurance transaction
Effective April 1, 2022, NMIC entered into a reinsurance agreement with a broad panel of third-party reinsurers that provides for aggregate excess-of-loss reinsurance coverage on a defined portfolio of mortgage insurance policies primarily written between October 1, 2021, and March 31, 2022 (the 2022-1 XOL Transaction). Under the agreement, NMIC retains $133.4 million first layer aggregate loss exposure on covered policies and the reinsurers then provide second layer loss protection up to a defined reinsurance coverage amount. The reinsurance coverage amount is set to approximate the PMIERs minimum required assets of the reference pool and decreases from the inception of the agreement over a ten-year period in the event the PMIERs minimum required assets of the pool decline. The outstanding reinsurance coverage amount under the 2022-1 XOL Transaction was $286.6 million as of June 30, 2022. NMIC retains losses in excess of the outstanding reinsurance coverage amount.
21

NMI HOLDINGS, INC.
NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
Under the terms of the treaty, NMIC makes risk premium payments to the reinsurers for the outstanding reinsurance coverage amount, and ceded aggregate premiums of $2.9 million during the three and six months ended June 30, 2022. NMIC applies claims paid on covered policies against its first layer aggregate retained loss exposure under the 2022-1 XOL Transaction. NMIC did not cede any incurred losses on covered policies under the treaty during the three and six months ended June 30, 2022, as its aggregate first layer risk retention was not exhausted during such periods.
The 2022-1 XOL Transaction is scheduled to terminate on March 31, 2032. NMIC holds an optional termination right which provides it the discretion to terminate the transaction on or after April 1, 2027. NMIC may also elect to terminate the transaction at any point if the outstanding reinsurance coverage amount amortizes to 10% or less of the reinsurance coverage amount provided at inception, or if it determines that it will no longer be able to take full PMIERs asset credit for the coverage. Additionally, under the terms of the treaty, NMIC may selectively terminate its engagement with individual reinsurers under certain circumstances. Such selective termination rights arise when, among other reasons, a reinsurer experiences a deterioration in its capital position below a prescribed threshold, and/or a reinsurer breaches (and fails to cure) its collateral posting obligation.

Each of the third-party reinsurance providers that is party to the 2022-1 XOL Transaction has an insurer financial strength rating of A- or better by Standard & Poor’s Rating Service (S&P), A.M. Best Company Inc. (A.M. Best) or both. We actively monitor the counterparty credit profiles of our reinsurers and each is required to partially collateralize its obligations under the 2022-1 XOL Transaction.

Quota share reinsurance
NMIC is a party to four outstandingfive active quota share reinsurance treaties - the 2016 QSR Transaction, effective September 1, 2016, the 2018 QSR Transaction, effective January 1, 2018, the 2020 QSR Transaction, effective April 1, 2020, and the 2021 QSR Transaction, effective January 1, 2021, -and the 2022 QSR Transaction, effective October 1, 2021 – which we refer to collectively as the QSR Transactions. Under each of the QSR Transactions, NMIC cedes a proportional share of its risk on eligible policies written during a discrete period to panels of third-party reinsurance providers. Each of the third-party reinsurance providers has an insurer financial strength rating of A- or better by Standard & Poor's Rating Service (S&P),S&P, A.M. Best Company, Inc. (A.M. Best) or both.
Under the terms of the 2016 QSR Transaction, NMIC cedes premiums written related to 25% of the risk on eligible primary policies written for all periods through December 31, 2017 and 100% of the risk under our pool agreement with Fannie Mae. The 2016 QSR Transaction is scheduled to terminate on December 31, 2027, except with respect to the ceded pool risk, which is scheduled to terminate on August 31, 2023. NMIC has the option, based on certain conditions and subject to a termination fee, to terminate the agreement as of December 31, 2020, or at the end of any calendar quarter thereafter, which would result in NMIC recapturing the related risk.
Under the terms of the 2018 QSR Transaction, NMIC cedes premiums earned related to 25% of the risk on eligible policies written in 2018 and 20% of the risk on eligible policies written in 2019. The 2018 QSR Transaction is scheduled to terminate on December 31, 2029. NMIC has the option, based on certain conditions and subject to a termination fee, to terminate the agreement as of December 31, 2022, or at the end of any calendar quarter thereafter, which would result in NMIC recapturing the related risk.
Under the terms of the 2020 QSR Transaction, NMIC cedes premiums earned related to 21% of the risk on eligible policies written from April 1, 2020 to December 31, 2020. The 2020 QSR Transaction is scheduled to terminate on December 31, 2030. NMIC has the option, based on certain conditions and subject to a termination fee, to terminate the agreement as of December 31, 2023, or at the end of any calendar quarter thereafter, which would result in NMIC recapturing the related risk.
Under the terms of the 2021 QSR Transaction, NMIC cedes premiums earned related to 22.5% of the risk on eligible policies written infrom January 1, 2021 (subject to an aggregate risk written limit).October 30, 2021. The 2021 QSR Transaction is scheduled to terminate on December 31, 2031. NMIC has the option, based on certain conditions and subject to a termination fee, to terminate the agreement as of December 31, 2024, or at the end of any calendar quarter thereafter, which would result in NMIC recapturing the related risk.

Under the terms of the 2022 QSR Transaction, NMIC cedes premiums earned related to 20% of the risk on eligible policies written primarily between October 30, 2021 and December 31, 2022. The 2022 QSR Transaction is scheduled to terminate on December 31, 2032. NMIC has the option, based on certain conditions and subject to a termination fee, to terminate the agreement as of December 31, 2025 or semi-annually thereafter, which would result in NMIC recapturing the related risk.

In connection with the 2022 QSR Transaction, NMIC entered into an additional back-to-back quota share agreement that is scheduled to incept on January 1, 2023 (the 2023 QSR Transaction). Under the terms of the 2023 QSR Transactions, NMIC will cede premiums earned related to 20% of the risk on eligible policies written in 2023.
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NMI HOLDINGS, INC.
NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

NMIC may terminate any or all of the QSR Transactions without penalty if, due to a change in PMIERs requirements, it is no longer able to take full PMIERs asset credit for the risk-in-force (RIF) ceded under the respective agreements. Additionally, under the terms of the QSR Transactions, NMIC may elect to selectively terminate its engagement with individual reinsurers on a run-off basis (i.e., reinsurers continue providing coverage on all risk ceded prior to the termination date, with no new cessions going forward) or cut-off basis (i.e., the reinsurance arrangement is completely terminated with NMIC recapturing all previously ceded risk) under certain circumstances. Such selective termination rights arise when, among other reasons, a reinsurer experiences a deterioration in its capital position below a prescribed threshold and/or a reinsurer breaches (and fails to cure) its collateral posting obligations under the relevant agreement.

Effective April 1, 2019, NMIC elected to terminate its engagement with one1 reinsurer under the 2016 QSR Transaction on a cut-off basis. In connection with the termination, NMIC recaptured approximately $500 million of previously ceded primary RIF and stopped ceding new premiums earned or written with respect to the recaptured risk. With the termination, ceded premiums written under the 2016 QSR Transaction decreased from 25% to 20.5% on eligible policies. The termination has no effect on the cession of pool risk under the 2016 QSR Transaction.
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NMI HOLDINGS, INC.
NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
The following table shows amounts related to the QSR Transactions:
For the three months endedFor the six months endedAs of and for the three months endedAs of and for the six months ended
June 30, 2021June 30, 2020June 30, 2021June 30, 2020June 30, 2022June 30, 2021June 30, 2022June 30, 2021
(In Thousands)(In Thousands)
Ceded risk-in-forceCeded risk-in-force$7,113,707 $4,563,676 $7,113,707 $4,563,676 Ceded risk-in-force$9,040,944 $7,113,707 $9,040,944 $7,113,707 
Ceded premiums earnedCeded premiums earned(27,537)(23,210)(53,284)(46,221)Ceded premiums earned(30,231)(27,537)(59,236)(53,284)
Ceded claims and claim expenses1,194 8,669 2,374 10,201 
Ceded claims and claim (benefits) expensesCeded claims and claim (benefits) expenses(403)1,194 (562)2,374 
Ceding commission earnedCeding commission earned5,961 4,428 11,123 8,941 Ceding commission earned6,146 5,961 12,032 11,123 
Profit commissionProfit commission14,391 5,271 27,771 17,684 Profit commission17,778 14,391 34,501 27,771 
Ceded premiums written under the 2016 QSR Transaction are recorded on the balance sheet as prepaid reinsurance premiums and amortized to ceded premiums earned in a manner consistent with the recognition of revenue on direct premiums. Under the 2018, 2020 and 2021all other QSR Transactions, premiums are ceded on an earned basis as defined in the agreement. NMIC receives a 20% ceding commission for premiums ceded under the QSR Transactions. NMIC also receives a profit commission under each of the QSR Transactions, provided that the loss ratios on loans covered under the 2016, 2018, 2020, 2021 and 2022 QSR Transaction, 2018 QSR Transaction, 2020 QSR Transaction and 2021 QSR Transaction,Transactions, generally remain below 60%, 61%, 50% and 57.5% and 62%, respectively, as measured annually. Ceded claims and claim expenses under each of the QSR Transactions reduce the respective profit commission received by NMIC on a dollar-for-dollar basis.
In accordance with the terms of the 2016 QSR Transaction, rather than making a cash payment or transferring investments for ceded premiums written, NMIC established a funds withheld liability, which also includes amounts due to NMIC for ceding and profit commissions. Any loss recoveries and any potential profit commission to NMIC will be realized from this account until exhausted. NMIC's reinsurance recoverable balance is further supported by trust accounts established and maintained by each reinsurer in accordance with the PMIERs funding requirements for risk ceded to non-affiliates. The reinsurance recoverable on loss reserves related to the 2016 QSR Transaction was $4.7$4.1 million as of June 30, 2021.2022.
In accordance with the terms of the 2018, 2020, 2021 and 20212022 QSR Transactions, cash payments for ceded premiums earned are settled on a quarterly basis, offset by amounts due to NMIC for ceding and profit commissions. Any loss recoveries and any potential profit commission to NMIC are also recognized quarterly. NMIC's reinsurance recoverable balance is supported by trust accounts established and maintained by each reinsurer in accordance with the PMIERs funding requirements for risk ceded to non-affiliates. The aggregate reinsurance recoverable on loss reserves related to the 2018, 2020, 2021 and 20212022 QSR Transactions was $15.0$15.5 million as of June 30, 2021.2022.
We remain directly liable for all claim payments if we are unable to collect reinsurance recoverable due from our reinsurers and, as such, we actively monitor and manage our counterparty credit exposure to our reinsurance providers. We establish an allowance for expected credit loss against our reinsurance recoverable if we do not expect to recover amounts due from one or more of our reinsurance counterparties, and report our reinsurance recoverable net of such allowance, if any. We actively monitor the counterparty credit profiles of our reinsurers and each is required to partially collateralize its obligations under the terms of our QSR Transactions. As of June 30, 2021, we did not recognize anyThe allowance for credit loss with respect toestablished on our reinsurance recoverable.recoverable was deemed immaterial at June 30, 2022 and December 31, 2021.
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NMI HOLDINGS, INC.
NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
6. Reserves for Insurance Claims and Claim Expenses
We hold gross reserves in an amount equal to the estimated liability for insurance claims and claim expenses related to defaults on insured mortgage loans. A loan is considered to be in "default" as of the payment date at which a borrower has missed the preceding two or more consecutive monthly payments. We establish reserves for loans that have been reported to us in default by servicers, referred to as case reserves, and additional loans that we estimate (based on actuarial review and other factors) to be in default that have not yet been reported to us by servicers, referred to as incurred but not reported (IBNR) reserves. We also establish reserves for claim expenses, which represent the estimated cost of the claim administration process, including legal and other fees, as well as other general expenses of administering the claim settlement process. As of June 30, 2021,2022, we had 8,7644,271 primary loans in default and held gross reserves for insurance claims and claim expenses of $101.2$98.5 million. During the six months ended June 30, 2021,2022, we paid 3543 claims totaling $1.3$0.9 million, including 3441 claims covered under the QSR Transactions representing $0.3$0.2 million of ceded claims and claim expenses.
In 2013, we entered into a pool insurance transaction with Fannie Mae. The pool transaction includes a deductible, which represents the amount of claims to be absorbed by Fannie Mae before we are obligated to pay any claims. We only establish reserves for pool risk if we expect claims to exceed this deductible. At June 30, 2021, 1562022, 57 loans in the pool were in default. These
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NMI HOLDINGS, INC.
NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
156 57 loans represented approximately $13.4$4.1 million of RIF. Due to the size of the remaining deductible, our expectation that a limited number of loans in default will progress to a claim and the expected severity on such claim submissions (all loans in the pool had loan-to-value (LTV) ratios under 80% at origination), we did not establish any case or IBNR reserves for pool risk at June 30, 2021.2022. In connection with the settlement of pool claims, we applied $1.0 million to the pool deductible through June 30, 2021.2022. At June 30, 2021,2022, the remaining pool deductible was $9.4 million. We have not paid any pool claims to date. 100% of our pool RIF is reinsured under the 2016 QSR Transaction.
We had 8,7644,271 loans in default in our primary insured portfolio as of June 30, 2022, which represented a0.77% default rate against 551,543 total policies in-force. We had 8,764 loans in default in our primary insured portfolio as of June 30, 2021, which represented a 1.86% default rate against 471,794total policies in-force. We had 10,816 loans in default in our primary insured portfolio as of June 30, 2020, which represented a 2.90% default rate against 372,934 total policies in-force. Although our default count declined from June 30, 20202021 to June 30, 2021,2022, the population remains elevated compared to our historical experience due to the continued challenges certain borrowers are facing related to the COVID-19 outbreakpandemic and their decision to access the forbearance program for federally backed loans codified under the Coronavirus Aid, Relief and Economic Security (CARES) Act or similar programs made available by private lenders.
The size of the reserve we establish for each defaulted loan (and by extension our aggregate reserve for claims and claim expenses) reflects our best estimate of the future claim payment to be made for each individual loan in default. Our future claims exposure is a function of the number of defaulted loans that progress to claim payment (which we refer to as frequency) and the amount to be paid to settle such claims (which we refer to as severity). Our estimates of claims frequency and severity are not formulaic, rather they are broadly synthesized based on historical observed experience for similarly situated loans and assumptions about future macroeconomic factors. We generally observe that forbearance programs are an effective tool to bridge dislocated borrowers from a time of acute stress to a future date when they can resume timely payment of their mortgage obligations. The effectiveness of forbearance programs is enhanced by the availability of various repayment and loan modification options which allow borrowers to amortize or, in certain instances, outright defer payments otherwise due during the forbearance period over an extended length of time. In response to the COVID-19 outbreak,pandemic, the Federal Housing Financing Agency (FHFA)FHFA and GSEs introduced new repayment and loan modification options to further assist borrowers with their transition out of forbearance programs and default status.
We generally observe that forbearance, repayment and modification, and other assistance programs aid affected borrowers and drive higher cure rates on defaults than would otherwise be expected on similarly situated loans that did not benefit from broad-based assistance programs. Our reserve setting process considers the beneficial impact of forbearance, foreclosure moratorium and other assistance programs available to defaulted borrowers. At June 30, 2020 and 2021, we established lower reserves for defaults that we consider to be connected to the COVID-19 outbreak given our expectation that forbearance, repayment and modification, and other assistance programs will aid affected borrowers and drive higher cure rates on such defaults than we would otherwise expect to experience on similarly situated loans that did not benefit from broad-based assistance programs.
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NMI HOLDINGS, INC.
NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
The following table provides a reconciliation of the beginning and ending gross reserve balances for primary insurance claims and claim (benefits) expenses:
For the six months ended June 30,For the six months ended June 30,
2021202020222021
(In Thousands)(In Thousands)
Beginning balanceBeginning balance$90,567 $23,752 Beginning balance$103,551 $90,567 
Less reinsurance recoverables (1)
Less reinsurance recoverables (1)
(17,608)(4,939)
Less reinsurance recoverables (1)
(20,320)(17,608)
Beginning balance, net of reinsurance recoverablesBeginning balance, net of reinsurance recoverables72,959 18,813 Beginning balance, net of reinsurance recoverables83,231 72,959 
Add claims incurred:Add claims incurred:Add claims incurred:
Claims and claim expenses incurred:
Claims and claim (benefits) expenses incurred:Claims and claim (benefits) expenses incurred:
Current year (2)
Current year (2)
15,626 42,516 
Current year (2)
18,787 15,626 
Prior years (3)
Prior years (3)
(6,024)(2,485)
Prior years (3)
(22,442)(6,024)
Total claims and claim expenses incurred9,602 40,031 
Total claims and claim (benefits) expenses incurredTotal claims and claim (benefits) expenses incurred(3,655)9,602 
Less claims paid:Less claims paid:Less claims paid:
Claims and claim expenses paid:Claims and claim expenses paid:Claims and claim expenses paid:
Current year (2)
Current year (2)
12 39 
Current year (2)
26 12 
Prior years (3)
Prior years (3)
1,040 3,209 
Prior years (3)
676 1,040 
Total claims and claim expenses paidTotal claims and claim expenses paid1,052 3,248 Total claims and claim expenses paid702 1,052 
Reserve at end of period, net of reinsurance recoverablesReserve at end of period, net of reinsurance recoverables81,509 55,596 Reserve at end of period, net of reinsurance recoverables78,874 81,509 
Add reinsurance recoverables (1)
Add reinsurance recoverables (1)
19,726 14,307 
Add reinsurance recoverables (1)
19,588 19,726 
Ending balanceEnding balance$101,235 $69,903 Ending balance$98,462 $101,235 
(1)    Related to ceded losses recoverable under the QSR Transactions. See Note 5, "Reinsurance" for additional information.
(2) Related to insured loans with their most recent defaults occurring in the current year. For example, if a loan defaulted in a prior year and subsequently cured and later re-defaulted in the current year, the default would be included in the current year. Amounts are presented net of reinsurance and included $14.0 million attributed to net case reserves and $4.5 million attributed to net IBNR reserves for the six months ended June 30, 2022 and $9.8 million attributed to net case reserves and $5.6 million attributed to net IBNR reserves for the six months ended June 30, 2021 and $34.7 million attributed to net case reserves and $7.1 million attributed to net IBNR reserves for the six months ended June 30, 2020.2021.
(3) Related to insured loans with defaults occurring in prior years, which have been continuously in default before the start of the current year. Amounts are presented net of reinsurance and included $17.0 million attributed to net case reserves and $4.7 million attributed to net IBNR reserves for the six months ended June 30, 2022 and $1.1 million attributed to net case reserves and $5.0 million attributed to net IBNR reserves for the six months ended June 30, 2021 and $1.1 million attributed to net case reserves and $1.3 million attributed to net IBNR reserves for the six months ended June 30, 2020.2021.

The "claims incurred" section of the table above shows claims and claim (benefits) expenses incurred on defaults occurring in current and prior years, including IBNR reserves and is presented net of reinsurance. We may increase or decrease our claim estimates and reserves as we learn additional information about individual defaulted loans, and continue to observe and analyze loss development trends in our portfolio. Gross reserves of $81.8$74.9 million related to prior year defaults remained as of June 30, 2021.

2022.
7. Earnings per Share (EPS)
Basic EPS is based on the weighted average number of shares of common stock outstanding. Diluted EPS is based on the weighted average number of shares of common stock outstanding and common stock equivalents that would be issuable upon the vesting of service based and performance and service-based restricted stock units (RSUs), and the exercise of vested and unvested stock options and outstanding warrants. The number of shares issuable for RSUs subject to performance and service based vesting requirements are only included in diluted shares if the relevant performance measurement period has commenced and results during such period meet the necessary performance criteria.
The following table reconciles the net income and the weighted average shares of common stock outstanding used in the computations of basic and diluted EPS of common stock.stock:
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NMI HOLDINGS, INC.
NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
For the three months ended June 30For the six months ended June 30,
2021202020212020
(In Thousands, except for per share data)
Net income$57,522 $26,848 $110,414 $85,119 
Basic weighted average shares outstanding85,647 73,617 85,483 71,090 
Basic earnings per share$0.67 $0.36 $1.29 $1.20 
Net income$57,522 $26,848 $110,414 $85,119 
Gain from change in fair value of warrant liability(658)(453)(4,723)
Diluted net income$56,864 $26,848 $109,961 $80,396 
Basic weighted average shares outstanding85,647 73,617 85,483 71,090 
Dilutive effect of issuable shares1,172 557 1,246 1,317 
Diluted weighted average shares outstanding86,819 74,174 86,729 72,407 
Diluted earnings per share$0.65 $0.36 $1.27 $1.11 
Anti-dilutive shares609 78 

For the three months ended June 30,For the six months ended June 30,
2022202120222021
(In Thousands, except for per share data)
Net income$75,444 $57,522 $143,124 $110,414 
Basic weighted average shares outstanding85,734 85,647 85,842 85,483 
Basic earnings per share$0.88 $0.67 $1.67 $1.29 
Net income$75,444 $57,522 $143,124 $110,414 
Gain from change in fair value of warrant liability(1,020)(658)(1,113)(453)
Diluted net income$74,424 $56,864 $142,011 $109,961 
Basic weighted average shares outstanding85,734 85,647 85,842 85,483 
Dilutive effect of issuable shares843 1,172 1,101 1,246 
Diluted weighted average shares outstanding86,577 86,819 86,943 86,729 
Diluted earnings per share$0.86 $0.65 $1.63 $1.27 
Anti-dilutive shares141 52 
8. Warrants
We issued 992 thousand warrants in connection with a private placement of our common stock in April 2012 of which 271 thousand remained outstanding available for exercise at June 30, 2021.with a ten-year contractual term that expired in April, 2022. Each warrant givesprovided the holder thereof the right to purchase 1 share of common stock at an exercise price equal to $10.00. The warrants were issued with an aggregate fair value of $5.1 million. On April 24, 2022, 90 thousand warrants expired unexercised, resulting in a gain of approximately $0.9 million. No warrants remained outstanding as of June 30, 2022.
During the three months ended June 30, 2022, 44 thousand warrants were exercised resulting in the issuance of 33 thousand shares of common stock. Upon exercise, we reclassified approximately $0.4 million of warrant fair value from warrant liability to additional paid-in capital. During the six months ended June 30, 2022, 110 thousand warrants were exercised resulting in the issuance of 84 thousand shares of common stock. Upon exercise, we reclassified approximately $1.3 million of warrant fair value from warrant liability to additional paid-in capital.
During the three months ended June 30, 2021, 14 thousand warrants were exercised resulting in the issuance of 8000 shares of common stock. Upon exercise, we reclassified approximately $0.2 million of warrant fair value from warrant liability to additional paid-in capital. During the six months ended June 30, 2021, 41 thousand warrants were exercised resulting in the issuance of 32 thousand shares of common stock. Upon exercise, we reclassified approximately $0.6 million of warrant fair value from warrant liability to additional paid-in capital.
During the three months ended June 30, 2020, 0 warrants were exercised. During the six months ended June 30, 2020, 9000 warrants were exercised resulting in the issuance of 6000 shares of common stock. Upon exercise, we reclassified approximately $0.2 million of warrant fair value from warrant liability to additional paid-in capital.

9. Income Taxes
We are a U.S. taxpayer and are subject to a statutory U.S. federal corporate income tax rate of 21%. NMIH files a consolidated U.S. federal and various state income tax returns on behalf of itself and its subsidiaries. Our effective tax rate on our pre-tax income was 22.4% and 22.2% for the three and six months ended June 30, 2022, respectively, compared to 21.9% and 21.8% for the three and six months ended June 30, 2021, respectively, compared to 23.2% and 20.5% for the three and six months ended June 30, 2020, respectively. Our provision for income taxes for interim reporting periods is established based on our estimated annual effective tax rate for a given year. Our effective tax rate may fluctuate between interim periods due to the impact of discrete items not included in our estimated annual effective tax rate, including the tax effects associated with the vesting of RSUs and exercise of options, and the change in fair value of our warrant liability. Such items are treated on a discrete basis in the reporting period in which they occur.
As a mortgage guaranty insurance company, we are eligible to claim a tax deduction for our statutory contingency reserve balance, subject to certain limitations outlined under IRC Section 832(e), and only to the extent we acquire tax and loss bonds in an amount equal to the tax benefit derived from the claimed deduction, which is our intent. As a result, our interim provision for income taxes for the three and six months ended June 30, 20212022 represents a change in our net deferred tax liability. As of June 30, 2021 and December 31, 2020, we held $46.4 million of tax and loss bonds in "Other assets" on our condensed consolidated balance sheet.
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NMI HOLDINGS, INC.
NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
As of June 30, 2022 and December 31, 2021, we held $89.2 million of tax and loss bonds in "Other assets" on our consolidated balance sheet.

10. Stockholders' Equity
On February 10, 2022, our Board of Directors approved a $125 million share repurchase program effective through December 31, 2023. The authorization provides us the flexibility to repurchase stock from time to time in the open market or in privately negotiated transactions, based on market and business conditions, stock price and other factors. During the three and six months ended June 30, 2022, we repurchased 1.4 million and 1.7 million shares, respectively, at average prices of $17.61 and $18.12 per share (excluding associated costs) pursuant to a trading plan under Rule 10b-18 of the Exchange Act. As of June 30, 2022, $94.6 million of repurchase authority remained available under the program.
11. Leases
We have 2 operating lease agreements related to our corporate headquarters and a data center facility for which we recognized operating right-of-use (ROU) assets and lease liabilities of $11.0 million and $12.4 million in "Other assets" and "Other liabilities," respectively, on our consolidated balance sheet as of June 30, 2022. As of December 31, 2021, we recognized operating ROU assets and lease liabilities of $2.6 million and $2.9 million, respectively. As of June 30, 2022 and December 31, 2021, we did not have any finance leases.
In January 2022, we modified the lease for our corporate headquarters, securing a reduction in pricing and incremental leasehold improvement concessions, reducing the square footage of leased space and extending the remaining term through March 2030. In February 2022, we renewed the lease of our data center facility, extending its term through January 2024. Upon the respective modification and extension, the ROU asset and liability associated with each lease was remeasured, using our current estimated incremental borrowing rate, resulting in an aggregate increase to ROU assets and lease liabilities of $9.7 million.

The following table provides a summary of our ROU asset and lease liability assumptions as of June 30, 2022:
Weighted-average remaining lease term7.6 years
Weighted-average discount rate6.50 %
Cash paid on our operating leases for the three and six months ended June 30, 2022 was $44 thousand and $0.1 million, respectively, compared to $0.6 million and $1.3 million for the three and six months ended June 30, 2021, respectively. Lease expenses incurred for the three and six months ended June 30, 2022 were $0.5 million and $1.0 million, respectively, compared to $0.6 million and $1.1 million for the three and six months ended June 30, 2021 .
Future payments due under our existing operating leases as of June 30, 2022 are as follows:
($ In Thousands)
Remaining in 2022$87 
20232,096 
20242,080 
20252,128 
20262,190 
20272,256 
20282,322 
20292,392 
2030603 
Total undiscounted lease payments16,154 
Less effects of discounting(3,778)
Present value of lease payments$12,376 
Lease expense is recorded in underwriting and operating expenses on the consolidated statements of operations and comprehensive income. Our existing leases have terms ranging from two to eight years. The lease for our corporate headquarters includes an option to renew for an additional five years at prevailing market rates at the time of renewal. This renewal option is
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NMI HOLDINGS, INC.
NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
not included in the calculation of future lease payments due under the existing lease as presented above as it is not reasonably certain to be exercised.
12. Premium Receivable

Premiums receivable consists of premiums due on our mortgage insurance policies. If a mortgage insurance premium is unpaid for more than 120 days, allthe associated receivables arereceivable is written off against earned premium and the related insurance policy is canceled. We recognize an allowance for credit losses for premiums receivable based on credit losses expected to arise over the life of the receivable. Due to the nature of our insurance policies (a necessary precondition for access to mortgage credit for covered borrowers) and the short duration of the related receivables, we do not typically experience credit losses against our premium receivables and did not establish anthe allowance for credit loss established on premium receivable was deemed immaterial at June 30, 20212022 and December 31, 2020.2021.

Premiums receivable may be written off prior to 120 days in the ordinary course of business for non-credit events including, but not limited to, the modification or refinancing of an underlying insured loan.
We establishestablished a $1.7 million and $2.3 million reserve for the write-off of premiums receivable based on historical experience. Our premium write-off reserve was not materialwrite-offs at June 30, 2021 or2022 and December 31, 2020.2021, respectively.
11.13. Regulatory Information
    Statutory Requirements
Our insurance subsidiaries, NMIC and Re One, file financial statements in conformity with statutory accounting principles (SAP) prescribed or permitted by the Wisconsin OCI, NMIC's principal regulator. Prescribed SAP includes state laws, regulations and general administrative rules, as well as a variety of publications of the National Association of Insurance Commissioners (NAIC). The Wisconsin OCI recognizes only statutory accounting practices prescribed or permitted by the state of Wisconsin for determining and reporting the financial condition and results of operations of an insurance company and for determining its solvency under Wisconsin insurance laws.
NMIC and Re One generated combined statutory net income of $25.6 million and $44.2 million for the three and six months ended June 30, 2022, respectively, compared to $8.8 million and $15.1 million for the three and six months ended June 30, 2021, respectively, and combined statutory net loss of $24.7 million and $17.0 million for the three and six months ended June 30, 2020, respectively.
The Wisconsin OCI has imposed a prescribed accounting practice for the treatment of statutory contingency reserves that differs from the treatment promulgated by the NAIC. Under Wisconsin OCI's prescribed practice mortgage guaranty insurers are required to reflect changes in their contingency reserves through statutory income. Such approach contrasts with the NAIC's treatment, which records changes to contingency reserves directly to unassigned funds. As a Wisconsin-domiciled insurer, NMIC's statutory net income reflects an expense associated with the change in its contingency reserve. While such treatment impacts NMIC's statutory net income, it does not have an effect on NMIC's statutory capital position.
The following table presents NMIC and Re One's combinedNMIC's statutory surplus, contingency reserve, statutory capital and risk-to-capital (RTC) ratio:ratio as of June 30, 2022 and December 31, 2021.
June 30, 2021December 31, 2020June 30, 2022December 31, 2021
(In Thousands)(In Thousands)
Statutory surplusStatutory surplus$906,430 $894,331 Statutory surplus$892,655 $893,848 
Contingency reserveContingency reserve899,246 768,324 Contingency reserve1,178,794 1,036,639 
Statutory capital (1)
Statutory capital (1)
$1,805,676 $1,662,655 
Statutory capital (1)
$2,071,449 $1,930,487 
Risk-to-capitalRisk-to-capital11.8:111.7:1Risk-to-capital11.9:111.6:1
(1)Represents the total of the statutory surplus and contingency reserve.

Re One had $5.6 million of statutory capital at June 30, 2022 and December 31, 2021. Effective October 1, 2021, the reinsurance agreement between NMIC and Re One was commuted and all ceded risk was transferred back to NMIC.Following the commutation, Re One has no risk in force or further obligation on future claims.

NMIH is not subject to any limitations on its ability to pay dividends except those generally applicable to corporations that are incorporated in the State of Delaware. Delaware law provides that dividends are only payable out of a corporation's capital surplus or, subject to certain limitations, recent net profits.
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NMI HOLDINGS, INC.
NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
NMIC and Re One are subject to certain rules and regulations prescribed by jurisdictions in which they are authorized to operate and the GSEs that may restrict their ability to pay dividends to NMIH.Re OneNMIC has the capacity to pay $1.6$34.9 million of aggregate ordinary dividends to NMIH during the twelve-month period ending December 31, 2021.2022 and on April 1, 2022, NMIC reportedpaid a statutory net loss for the year ended December 31, 2020 and does not have the capacity$34.9 million ordinary course dividend to pay dividends to NMIH during the twelve-monthNMIH.
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NMI HOLDINGS, INC.
NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
14. Subsequent Event
period ended December 31, 2021 without prior approval from the Wisconsin OCI. Neither Re One nor NMIC have ever paid dividends to NMIH.
As an approved insurer under PMIERs, NMIC would generally be subject to prior GSE approval of its ability to pay dividends to NMIH if it failed to meet the financial requirements prescribed by PMIERs. In response to the COVID-19 pandemic, the GSEs issued temporary PMIERs guidance, effective for the period from June 30, 2020 to June 30, 2021, that requires approved insurers to secure approval from the GSEs prior to paying any dividends, even if the approved insurer otherwise satisfies the financial requirements prescribed by PMIERs. On June 30, 2021, the GSEs updated the temporary PMIERs guidance to permit approved insurers to pay dividends without securing prior approval if certain prescribed financial requirements are met during the period fromEffective July 1, 20212022, NMIC entered into a quota share reinsurance treaty that provides coverage primarily for a seasoned pool of mortgage insurance policies that had previously been covered under the now retired 2017 and 2020-1 ILN Transactions. Under the terms of the agreement, NMIC will cede premiums earned related to December 31, 2021.

95% of the net risk on eligible policies after the consideration of coverage provided by existing QSR Transactions, in exchange for reimbursement of ceded claims and claims expenses on covered policies, as well as a ceding commission equal to 35% and profit commission of up to 55% of ceded premiums.
Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations
    The following analysis should be read in conjunction with our unaudited condensed consolidated financial statements and the notes thereto included in this report and our audited financial statements, notes thereto and "Management's Discussion and Analysis of Financial Condition and Results of Operations" included in our 20202021 10-K, for a more complete understanding of our financial position and results of operations. In addition, investors should review the "Cautionary Note Regarding Forward-Looking Statements" above and the "Risk Factors" detailed in Part II, Item 1A of this report and in Part I, Item 1A of our 20202021 10-K, as subsequently updated in other reports we file with the SEC, for a discussion of those risks and uncertainties that have the potential to affect our business, financial condition, results of operations, cash flows or prospects in a material and adverse manner. Our results of operations for interim periods are not necessarily indicative of results to be expected for a full fiscal year or for any other period.
Overview
We provide private MI through our wholly-ownedprimary insurance subsidiariessubsidiary, NMIC. NMIC and Re One. NMIC and Re One areis a wholly-owned, domiciled in Wisconsin and principally regulated by the Wisconsin OCI. NMIC is our primary insurance subsidiary and is approved as an MI provider by the GSEs and is licensed to write coverage in all 50 states and D.C. Re One provides reinsurance to NMIC on insured loans after giving effect to third-party reinsurance. Our subsidiary, NMIS, provides outsourced loan review services to mortgage loan originators.originators and our subsidiary, Re One, historically provided reinsurance coverage to NMIC in accordance with certain statutory risk retention requirements. Such requirements have been repealed and the reinsurance coverage provided by Re One to NMIC has been commuted. Re One remains a wholly-owned, licensed insurance subsidiary; however, it does not currently have active insurance exposures.
MI protects lenders and investors from default-related losses on a portion of the unpaid principal balance of a covered mortgage. MI plays a critical role in the U.S. housing market by mitigating mortgage credit risk and facilitating the secondary market sale of high-LTVhigh-loan-to-value (LTV) (i.e., above 80%) residential loans to the GSEs, who are otherwise restricted by their charters from purchasing or guaranteeing high-LTV mortgages that are not covered by certain credit protections. Such credit protection and secondary market sales allow lenders to increase their capacity for mortgage commitments and expand financing access to existing and prospective homeowners.
NMIH, a Delaware corporation, was incorporated in May 2011, and we began start-up operations in 2012 and wrote our first MI policy in 2013. Since formation, we have sought to establish customer relationships with a broad group of mortgage lenders and build a diversified, high-quality insured portfolio. As of June 30, 2021,2022, we had issued master policies with 1,6561,812 customers, including national and regional mortgage banks, money center banks, credit unions, community banks, builder-owned mortgage lenders, internet-sourced lenders and other non-bank lenders. As of June 30, 2021,2022, we had $138.1$168.6 billion of totalprimary insurance-in-force (IIF), including primary IIF of $136.6 billion, and $34.5$43.3 billion of gross RIF, including primary RIF of $34.4 billion.risk-in-force (RIF).
We believe that our success in acquiring a large and diverse group of lender customers and growing a portfolio of high-quality IIF traces to our founding principles, whereby we aim to help qualified individuals achieve their homeownership goals, ensure that we remain a strong and credible counter-party, deliver a uniquehigh-quality customer service experience, establish a differentiated risk management approach that emphasizes the individual underwriting review or validation of the vast majority of the loans we insure, utilizing our proprietary Rate GPS® pricing platform to dynamically evaluate risk and price our policies, and foster a culture of collaboration and excellence that helps us attract and retain experienced industry leaders.
Our strategy is to continue to build on our position in the private MI market, expand our customer base and grow our insured portfolio of high-quality residential loans by focusing on long-term customer relationships, disciplined and proactive risk selection and pricing, fair and transparent claim payment practices, responsive customer service, and financial strength and profitability.
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profitability.
Our common stock trades on the NASDAQNasdaq under the symbol "NMIH." Our headquarters is located in Emeryville, California. As of June 30, 2021,2022, we had 246 emp251 employees.loyees. Our corporate website is located at www.nationalmi.com. Our website and the information contained on or accessible through our website are not incorporated by reference into this report.
We discuss below our results of operations for the periods presented, as well as the conditions and trends that have impacted or are expected to impact our business, including new insurance writings, the composition of our insurance portfolio and other factors that we expect to impact our results.
Conditions and Trends Affecting Our Business
COVID-19 and Other Developments
On January 30, 2020, the WHOWorld Health Organization (WHO) declared the outbreak of COVID-19 a global health emergency and subsequently characterized the outbreak as a global pandemic on March 11, 2020. In an effort to stem contagion and control the COVID-19 pandemic,spread of the virus, the population at large severely curtailed day-to-day activity and local, state and federal regulators imposed a broad set of restrictions on personal and business conduct nationwide. The COVID-19 pandemic, along with the widespread public and regulatory response, caused a dramatic slowdown in U.S. and global economic activity and a record number of Americans were furloughed or laid-off in the ensuing downturn.activity.
The global dislocation caused by COVID-19 was unprecedented. In response tounprecedented and the COVID-19 outbreak and uncertainty that it introduced, we activated our disaster continuity program to ensure our employees were safe and able to manage our business without interruption. We pursuedpandemic had a broad series of capital and reinsurance transactions to bolster our balance sheet and expand our ability to serve our customers and their borrowers, and we updated our underwriting guidelines and policy pricing in consideration ofdirect impact on the increased level of macroeconomic volatility.
The U.S. housing market, demonstrated notable resiliency in the face of COVID stress, with significant purchase demand, record levels ofprivate mortgage origination activityinsurance industry, and nationwide house price appreciation emerging shortly after the onset of the pandemic.our business and operating performance for an extended period. More recently, the broad resumption of personal and business activity nationwide has prompted a sharp economic rebound and provided hope for a sustainable economic recovery.
While there is increased optimism thathowever, the acute economic impact of COVID-19 has begun to recede,recede. While the pandemic continues to pose a global risk and affect communities across the U.S., it is no longer the single dominant driver of our performance that it had been in earlier periods. COVID-19 is now one of several mosaic factors, including a range of macroeconomic forces and poses significant risk globally. Thepublic policy initiatives that are influencing our market and business.
Although we are optimistic that the nationwide COVID-19 vaccination effort and other medical advances will continue to support a normalization of personal and business activity, the path and pace of global economic recovery will depend, in large part, on the course of the virus (including the newly emergent Delta variant), which itself remains unknown and subject to risk. Given this uncertainty, we are not able to fully assess or estimate the ultimate impact COVID-19 willthe pandemic may have on the mortgage insurance market, our business performance or our financial position including our new business production, default and claims experience, and investment portfolio results at this time.
Potential Impacttime, and it remains possible COVID-19 could again trigger more severe and adverse outcomes in future periods. It is also possible that emerging macroeconomic factors, including persistent inflation, flagging consumer confidence and increasing jobless claims could have a pronounced impact on the U.S. Housing Market and Mortgage Insurance Industry
The U.S. housing market demonstrated significant resiliency amidst the broader economic dislocation caused by the outbreak of COVID-19. Low interest rates helped to support housing affordability, medical concerns and lifestyle preferences drove people to move from densely populated urban areas to suburban communities where social distancing was more easily achieved, and shelter-in-place directives reinforced the value of homeownership – all of which contributed to an influx of new home buyers, record levels of purchase demand, and nationwide house price appreciation.
While the possibility remains that the housing market, will soften, we believe the general strength of the market coming into the COVID-19 crisis and demonstrated resiliency thus far through the pandemic will help to mitigate the risk of a severe pullback. We observe several favorable differences in the current environment compared to the period leading up to and through the 2008 Financial Crisis – the last period of significant economic volatility in the U.S. and one noted for its significant housing market dislocation. Such differences include:
(i)    the generally higher quality borrower base (as measured by weighted average FICO scores and LTV ratios) and tighter underwriting standards (with, among other items, full-documentation required to verify borrower income and asset positions) that prevail in the current market;
(ii)    the lower concentration of higher risk loan structures, such as negative amortizing, interest-only or short-termed option adjustable-rate mortgages being originated and outstanding in the current market;
(iii)    the meaningfully higher proportion of loans used for lower risk purposes, such as the purchase of a primary residence or rate-term refinancing in the current market, as opposed to cash-out refinancings, investment properties or second home purchases, which prevailed to a far greater degree in the lead up to the 2008 Financial Crisis;
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(iv)    the availability and immediate application by the government, regulators, lenders, loan servicers and others of a broad toolkit of resources designed to aid distressed borrowers, including forbearance, foreclosure moratoriums and other assistance programs codified under the CARES Act enacted on March 27, 2020; and
(v)    the broader and equally immediate application of significant fiscal and monetary stimulus by the federal government under the CARES Act, and subsequently under the Consolidated Appropriations Act enacted on December 27, 2020 (the CAA) and the American Rescue Plan Act enacted on March 11, 2021 (the American Rescue Plan), as well as across a range of other programs designed to assist unemployed individuals and distressed businesses, and support the smooth functioning of various capital and risk markets.
We also perceive the house price environment in the period leading up to the COVID crisis to be anchored by more balanced market fundamentals than that in the period leading up to the 2008 Financial Crisis. We believe the 2008 Financial Crisis was directly precipitated by irresponsible behavior in the housing market that drove home prices to unsustainable heights (a so-called "bubble"). We see a causal link between the housing market and the 2008 Financial Crisis that we do not see in the COVID-19 outbreak, and we believe this will further contribute to housing market stability in the current period.
Purchase mortgage origination volume has increased significantly as factors related to the COVID-19 crisis have spurred significant incremental demand for homeownership. Refinancing origination volume has also grown dramatically as historically low mortgage rates have created refinancing opportunities for a large number of existing borrowers.
Growth in total mortgage origination volume increases the addressable market for the U.S. mortgage insurance industry while accelerated refinancing activity increases prepayment speed on outstanding insured mortgages. In this context, total U.S. mortgage insurance industry new insurance written (NIW) volume increased to record levels following the onset of the COVID pandemic and the persistency of existing in-force insured risk across the industry declined meaningfully.
While we currently observe broad resiliency in the housing and high-LTV mortgage markets and, for the reasons discussed above, expect this trend to continue in the near term, the ultimate impact of COVID-19 remains highly uncertain. See Item 1A of our 2020 10K, "Risk Factors - The COVID-19 outbreak may continue to materially adversely affect our business results of operations and financial condition."
Potential Impact on NMI's Business Performance and Financial Position
Operations
We had 251 employees at June 30, 2021, including 86 who typically work at our corporate headquarters in Emeryville, CA and 165 who typically work from home in locations across the country. In response to the COVID-19 outbreak, we activated our business continuity program and instituted additional work-from-home practices for our Emeryville-based staff. We transitioned our operations seamlessly and have continued to positively engage with customers on a remote basis. Our IT environment, underwriting capabilities, policy servicing platform and risk architecture have continued without interruption, and our internal control environment is unchanged. We achieved this transition without incurring additional capital expenditures or operating expenses and we believe our current operating platform can continue to support our newly distributed needs for an extended period without further investment beyond that planned in the ordinary course.
While the broad COVID vaccination effort and relaxation of local restrictions on indoor business operation may allow for a general resumption of in-office activity for our headquarters-based employees, the success of our remote work experience through the pandemic has caused us to offer increased flexibility for employees who prefer a full-time or part-time distributed engagement. If we continue to offer such flexibility and a large enough number of employees elect such an approach, our office and real estate needs could evolve.
New Business Production
Our NIW volume increased significantly following the onset of the COVID-19 pandemic driven by the broad resiliency of the housing market, growth in total mortgage origination volume and increasing size of the U.S. mortgage insurance market, as well as the continued expansion of our customer franchise. We wrote $22.8 billion of NIW during the three months ended June 30, 2021, up 73% compared to the three months ended June 30, 2020.
While we currently expect our new business production will remain elevated, the emergence of the Delta variant and potential onset of a new viral wave could prompt a reintroduction of broad-based shelter in place directives, increased unemployment or other potentially negative economic and societal outcomes that could cause a moderation or decline in our volume going forward.
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We have broadly defined underwriting standards and loan-level eligibility criteria that are designed to limit our exposure to higher risk loans, and have used Rate GPS to actively shape the mix of our new business production and insured portfolio by, among other risk factors, borrower FICO score, debt-to-income (DTI) ratio and LTV ratio.In the weeks following the outbreak of COVID-19, we adopted changes to our underwriting guidelines, including changes to our loan documentation requirements, asset reserve requirements, employment verification process and income continuance determinations, that further strengthened the credit risk profile of our NIW volume and IIF. At June 30, 2021, the weighted average FICO score of our RIF was 754 and we had a 3% mix of below 680 FICO score risk. Similarly, at June 30, 2021, the weighted average LTV ratio (at origination) of our insured portfolio was 92.4% and we had a 10% mix of 97% LTV risk.
Delinquency Trends and Claims Expense
At June 30, 2021 we had 8,764 defaulted loans in our primary insured portfolio, which represented a 1.86% default rate against our 471,794 total policies in-force, and identified 11,889 loans that were enrolled in a forbearance program, including 7,822 of those in default status.
Our default population increased significantly following the outbreak of the pandemic as borrowers faced increased challenges related to COVID-19 and chose to access the forbearance program for federally backed loans codified under the CARES Act or other similar assistance programs made available by private lenders. After this significant initial spike our default experience has steadily improved as an increasing number of impacted borrowers have cured their delinquencies, and fewer new defaults have emerged.
Our total population of defaulted loans peaked in August 2020 and has declined every month since with consistency. As of July 31, 2021, our default population was 8,277, representing a 1.73% default rate.
The table below highlights default and forbearance activity in our primary portfolio as of the dates indicated
Default and Forbearance Activity as of
6/30/20209/30/202012/31/20203/31/216/30/21
Number of loans in default10,81613,76512,20911,0908,764
Default rate (1)
2.90%3.60%3.06%2.54%1.86%
Number of loans in forbearance28,55524,80919,46414,80511,889
Forbearance rate (2)
7.66%6.50%4.87%3.39%2.52%

(1)    Default rate is calculated as the number of loans in default divided by total polices in force
(2)    Forbearance rate is calculated as the number of loans in forbearance divided by total polices in force.

While we are encouraged by the decline in our forbearance and default populations and optimistic that we will see continued improvement as the economic stress of the COVID crisis recedes, the emergence of the Delta variant or future viral waves could cause further social and economic dislocation and contribute to an increase in our forbearance and default counts in future periods.
We establish reserves for claims and allocated claim expenses when we are notified that a borrower is in default. The size of the reserve we establish for each defaulted loan (and by extension our aggregate reserve and claims expense) reflects our best estimate of the future claim payment to be made under each individual policy.
Key Factors Affecting Our future claims exposure is a function of the number of delinquent loans that progress to claim payment (which we refer to as frequency) and the amount to be paid to settle such claims (which we refer to as severity). Our estimates of claims frequency and severity are not formulaic, rather they are broadly synthesized based on historical observed experience for similarly situated loans and assumptions about future macroeconomic factors.
We generally observe that forbearance programs are an effective tool to bridge dislocated borrowers from a time of acute stress to a future date when they can resume timely payment of their mortgage obligations. The effectiveness of forbearance programs is enhanced by the availability of various repayment and loan modification options, which allow borrowers to amortize, or in certain instances fully defer the payments otherwise due during the forbearance period, over an extended length of time. In response to the onset of the COVID-19 outbreak, the GSEs have introduced new repayment and loan modification options to further assist borrowers with their transition out of forbearance and back into performing status. Our reserve setting process considers the beneficial impact of forbearance, foreclosure moratorium and other assistance programs available to defaulted borrowers. At June 30, 2021, we established lower reserves for defaults that we consider to be connected to the COVID-19
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outbreak given our expectation that forbearance, repayment and modification, and other assistance programs will aid affected borrowers and drive higher cure rates on such defaults than we would otherwise expect to experience on similarly situated loans that did not benefit from broad-based assistance programs.
Our Master Policies require insureds to file a claim no later than 60-days after completion of a foreclosure, and in connection with the claim, the insured is generally entitled to include in the claim amount (i) up to three years of missed interest payments and (ii) certain advances, each as incurred through the date the claim is filed. Under our Master Policies, a national foreclosure moratorium of the type currently required will not limit the amount of accrued interest (subject to the three-year limit) or advances that may be included in the claim amount. In June, the GSEs extended their moratorium on the foreclosure of enterprise-backed single-family residential mortgages through September 30, 2021. If the duration of the current foreclosure moratorium mandated by the GSEs is further extended, loans in our default inventory, including those with defaults unrelated to the COVID-19 crisis that had not yet gone through foreclosure, may remain in a pre-foreclosure default status for a prolonged period of time, which would delay our receipt of certain claims for loans that do not cure and could increase the severity of claims we may ultimately be required to pay after the moratorium is lifted.
Regulatory Capital Position
As an approved mortgage insurer and Wisconsin-domiciled carrier, we are required to satisfy financial and/or capitalization requirements stipulated by each of the GSEs and the Wisconsin OCI.
The financial requirements stipulated by the GSEs are outlined in the PMIERs. Under the PMIERs, we must maintain available assets that are equal to or exceed a minimum risk-based required asset amount, subject to a minimum floor of $400 million. At June 30, 2021, we reported $1,887 million available assets against $1,171 million risk-based required assets. Our “excess” funding position was $716 million.
The risk-based required asset amount under PMIERs is determined at an individual policy-level based on the risk characteristics of each insured loan. Loans with higher risk factors, such as higher LTVs or lower borrower FICO scores, are assessed a higher charge. Non-performing loans that have missed two or more payments are generally assessed a significantly higher charge than performing loans, regardless of the underlying borrower or loan risk profile; however, special consideration is given under PMIERs to loans that are delinquent on homes located in an area declared by the Federal Emergency Management Agency (FEMA) to be a Major Disaster zone eligible for Individual Assistance. In June 2020, the GSEs issued guidance (subsequently amended and restated in each of September 2020, December 2020 and June 2021) on the risk-based treatment of loans affected by the COVID-19 crisis and the reporting of non-performing loans by aging category. Under the guidance, non-performing loans that are subject to a forbearance program granted in response to a financial hardship related to COVID-19 will benefit from a permanent 70% risk-based required asset haircut for the duration of the forbearance period and subsequent repayment plan or trial modification period.
Our PMIERs minimum risk-based required asset amount is also adjusted for our reinsurance transactions (as approved by the GSEs). Under our quota share reinsurance treaties, we receive credit for the PMIERs risk-based required asset amount on ceded RIF. As our gross PMIERs risk-based required asset amount on ceded RIF increases, our PMIERS credit for ceded RIF automatically increases as well (in an unlimited amount). Under our ILN transactions, we generally receive credit for the PMIERs risk-based required asset amount on ceded RIF to the extent such requirement is within the subordinated coverage (excess of loss detachment threshold) afforded by the transaction. We have structured our ILN transactions to be overcollateralized, such that there are more ILN notes outstanding and cash held in trust than we currently receive credit for under the PMIERs. To the extent our PMIERs risk-based required asset amount on RIF ceded under the ILN transactions grows, we receive increased PMIERs credit under the treaties. The increasing PMIERs credit we receive under the ILN treaties is further enhanced by their lockout triggers. In the event of certain credit enhancement or delinquency events, the ILN notes stop amortizing and the cash held in trust is secured for our benefit (a Lock-Out Event). As the underlying RIF continues to run-off, this has the effect of increasing the overcollateralization within, and excess PMIERs capacity provided by, each ILN structure.
A Lock-Out Event was deemed to have occurred, effective June 25, 2020 for each of the 2017, 2018 and 2019 ILN Transactions (related to the default experience of the underlying reference pools for each respective transaction) and at inception of the 2021-1 ILN Transaction (related to the initial build of its target credit enhancement), and the amortization of reinsurance coverage, and distribution of collateral assets and amortization of insurance-linked notes was suspended for each such ILN Transaction. The amortization of reinsurance coverage, distribution of collateral assets and amortization of insurance-linked notes will remain suspended for the duration of the Lock-Out Event for each such ILN Transaction, and during such period the overcollateralization within and potential PMIERs capacity provided by each such ILN Transaction will grow as assets are preserved in the applicable reinsurance trust account.
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The following table provides detail on the level of overcollateralization of each of our ILN Transactions at June 30, 2021:
($ values in thousands)2017 ILN Transaction2018 ILN Transaction2019 ILN Transaction2020-1 ILN Transaction2020-2 ILN Transaction2021-1 ILN Transaction
Ceded RIF$1,409,721 $1,572,828 $1,848,885 $3,673,953 $5,133,512 $8,612,343 
First Layer Retained Loss121,234 122,937 122,757 169,488 121,177 163,708 
Reinsurance Coverage40,226 158,489 231,877 128,750 205,846 367,238 
Eligible Coverage$161,460 $281,426 $354,634 $298,238 $327,023 $530,946 
Subordinated Coverage (1)
11.45%17.89%19.18%8.00%6.25%6.16%
PMIERs Charge on Ceded RIF6.64%8.67%8.35%6.60%5.54%5.94%
Overcollateralization (2) (4)
$40,226 $145,009 $200,310 $55,877 $42,415 $19,796 
Delinquency Trigger (3)
4.0%4.0%4.0%6.0%4.7%4.6%

(1) Absent a delinquency trigger, the subordinated coverage is capped at 8.00%, 6.25% and 6.75% for the 2020-1, 2020-2 and 2021-1 ILN Transactions,    
respectively.
(2)    Overcollateralization of the 2017 ILN Transaction is equal to its current reinsurance coverage as the PMIERs required asset amount on RIF ceded under the transaction is currently below the remaining first layer retained loss.
(3) Delinquency triggers for 2017, 2018, and 2019 ILN Transactions are set at a fixed 4.0% and assessed on a discrete monthly basis; delinquency triggers for the 2020-1, 2020-2 and 2021-1 ILN Transactions are equal to seventy-five percent of the subordinated coverage level and assessed on the basis of a three-month rolling average.
(4) May not be replicated based on the rounded figures presented in the table.

At June 30, 2021, we had an aggregate $504 million of overcollateralization available across our ILN Transactions to absorb an increase in the PMIERs risk-based required asset amount on ceded RIF. Assuming the Lock-Out Events remain in effect for each of the 2017, 2018 and 2019 ILN Transactions and our underlying RIF continues to run-off at the same rate as it did during the three months ended June 30, 2021, we estimate that our total overcollateralization would increase by up to approximately $29 million per quarter.
Our PMIERs funding requirement will go up in future periods based on the volume and risk profile of our new business production, and performance of our in-force insurance portfolio. We estimate, however, that we will remain in compliance with our PMIERs asset requirements even if the forbearance-driven default rate on our in-force portfolio materially exceeds its current level, given our $716 million excess available asset position at June 30, 2021, the nationwide applicability of the 70% haircut on delinquent policies subject to a forbearance program accessed in response to a financial hardship related to the COVID-19 crisis, and the increasing PMIERs relief automatically provided under each of our quota share treaties and ILN Transactions.
NMIC is also subject to state regulatory minimum capital requirements based on its RIF. Formulations of this minimum capital vary by state, however, the most common measure allows for a maximum ratio of RIF to statutory capital (commonly referred to as RTC) of 25:1. The RTC calculation does not assess a different charge or impose a different threshold RTC limit based on the underlying risk characteristics of the insured portfolio. Non-performing loans are generally treated the same as performing loans under the RTC framework. As such, the PMIERs generally imposes a stricter financial requirement than the state RTC standard, and we expect this to remain the case through the duration of and following the COVID-19 pandemic.
Liquidity
We evaluate our liquidity position at both a holding company (NMIH) and primary operating subsidiary (NMIC) level. As of June 30, 2021, we had $2.1 billion of consolidated cash and investments, including $81 million of cash and investments at NMIH.
On June 8, 2020, NMIH completed the sale of 15.9 million shares of common stock, including the exercise of a 15% overallotment option, and raised proceeds of approximately $220 million, net of underwriting discounts, commissions and other direct offering expenses. On June 19, 2020, NMIH also completed the sale of its $400 million aggregate principal amount of senior secured notes, raising net proceeds of $244 million after giving effect to offering expenses and the repayment of the $150 million principal amount outstanding under our 2018 Term Loan. NMIH contributed approximately $445 million of capital to NMIC following completion of its respective Notes and common stock offerings.
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NMIH also has access to $110 million of undrawn revolving credit capacity (through the 2020 Revolving Credit Facility) and $1.6 million of ordinary course dividend capacity available from Re One without the prior approval of the Wisconsin OCI. Amounts drawn under the 2020 Revolving Credit Facility are available as directed for NMIH needs or may be down-streamed to support the requirements of our operating subsidiaries if we so decide. Item 1, "Financial Statements - Notes to Condensed Consolidated Financial Statements - Note 4, Debt.
NMIH's principal liquidity demands include funds for the payment of (i) certain corporate expenses, (ii) certain reimbursable expenses of our insurance subsidiaries, including NMIC, and (iii) principal and interest as due on our outstanding debt. NMIH generates cash interest income on its investment portfolio, receives cash proceeds upon the exercise of outstanding stock options, and benefits from tax, expense-sharing and debt service agreements with its subsidiaries. Such agreements have been approved by the Wisconsin OCI and provide for the reimbursement of substantially all of NMIH's annual cash expenditures. While such agreements are subject to revocation by the Wisconsin OCI, we do not expect such action to be taken at this time. The Wisconsin OCI has refreshed its approval of the debt service agreement providing for the additional reimbursement by NMIC of interest expense due on our newly issued Notes and 2020 Revolving Credit Facility.
NMIC's principal sources of liquidity include (i) premium receipts on its insured portfolio and new business production, (ii) interest income on its investment portfolio and principal repayments on maturities therein, and (iii) existing cash and cash equivalent holdings. At June 30, 2021, NMIC had $1.9 billion of cash and investments, including $48 million of cash and equivalents. NMIC's principal liquidity demands include funds for the payment of (i) reimbursable holding company expenses, (ii) premiums ceded under our reinsurance transactions (iii) claims payments, and (iv) taxes as due or otherwise deferred through the purchase of tax and loss bonds. NMIC's cash inflow is generally significantly in excess of its cash outflow in any given period. During the twelve-month period ended June 30, 2021, NMIC generated $300 million of cash flow from operations and received an additional $150 million of cash flow on the maturity, sale and redemption of securities held in its investment portfolio. NMIC is not a party to any contracts (derivative or otherwise) that require it to post an increasing amount of collateral to any counterparty and NMIC's principal liquidity demands (other than claims payments) generally develop along a scheduled path (i.e., are of a contractually predetermined amount and due at a contractually predetermined date). NMIC's only use of cash that develops along an unscheduled path is claims payments. Given the breadth and duration of forbearance programs available to borrowers, separate foreclosure moratoriums that have been enacted at a local, state and federal level, and the general duration of the default to foreclosure to claim cycle, we do not expect NMIC to use a meaningful amount of cash to settle claims in the near-term.
Premiums paid to NMIC on monthly policies are generally collected and remitted by loan servicers. There was broad discussion at the onset of the COVID pandemic and concerns about potential liquidity challenges that servicers might face in the event of widespread borrower utilization of forbearance programs. These concerns have not materialized thus far and we do not believe that loan servicer liquidity constraints, should they arise in the future, would have a material impact on NMIC's premium receipts or liquidity profile. Loan servicers are contractually obligated to advance mortgage insurance premiums in a timely manner, even if the underlying borrowers fail to remit their monthly mortgage payments. In June 2020, the GSEs issued guidance to the PMIERs (subsequently amended and restated in each of September 2020, December 2020 and June 2021) that, among other items, requires us to notify them of our intent to cancel coverage on policies for which servicers have failed to make timely premium payments so that the GSEs can pay the premiums directly to us and preserve the mortgage insurance coverage. Through June 30, 2021, we did not see any notable changes in servicer payment practices, with servicers generally continuing to remit monthly premium payments as scheduled, including those for policies covering loans that are in a forbearance program.

Investment portfolio
At June 30, 2021, we had $2.1 billion of cash and invested assets. Our investment strategy equally prioritizes capital preservation alongside income generation, and we have a long-established investment policy that sets conservative limits for asset types, industry sectors, single issuers and instrument credit ratings. At June 30, 2021, our investment portfolio was comprised of 100% fixed income assets with 100% of our holdings rated investment grade and our portfolio having an average rating of "A+." At June 30, 2021, our portfolio was in a $40 million aggregate unrealized gain position; it was highly liquid and highly diversified with no Level 3 asset positions and no single issuer concentration greater than 1.4%. We did not record any allowance for credit losses in the portfolio during the three months ended June 30, 2021, as we expect to recover the amortized cost basis of all securities held.
The pre-tax book yield on our investment portfolio was 2.0% for the three months ended June 30, 2021. At the onset of the COVID-19 crisis, we decided to prioritize liquidity and increased our cash and equivalent holdings as a percentage of our total portfolio. We believe such action was prudent in light of the heightened market volatility and general uncertainty developing in the early stages of the COVID-19 pandemic. We have since redeployed much of our excess liquidity position.
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Taxes
The CARES Act, CAA and American Rescue Plan include, among other items, provisions relating to refundable payroll tax credits, deferment of social security payments, net operating loss carryback periods, alternative minimum tax credit refunds, modifications to the net interest deduction limitations, increased limitations on qualified charitable contributions, technical corrections to tax depreciation methods for qualified improvement property, and temporary 100% deduction for business meals. We continue to monitor the impact that the CARES Act, CAA and American Rescue Plan may have on our business, financial condition and results of operations.Results
New Insurance Written (NIW), Insurance-In-Force and Risk-In-Force
NIW is the aggregate unpaid principal balance of mortgages underpinning new policies written during a given period. Our NIW is affected by the overall size of the mortgage origination market and the volume of high-LTV mortgage originations. Our NIW is also affected by the percentage of such high-LTV originations covered by private versus government MI or other alternative credit enhancement structures and our share of the private MI market. NIW, together with persistency, drives our IIF. IIF is the aggregate unpaid principal balance of the mortgages we insure, as reported to us by servicers at a given date, and represents the sum total of NIW from all prior periods less principal payments on insured mortgages and policy cancellations (including for prepayment, nonpayment of premiums, coverage rescission and claim payments). RIF is related to IIF and represents the aggregate amount of coverage we provide on all outstanding policies at a given date. RIF is calculated as the sum total of the coverage percentage of each individual policy in our portfolio applied to the unpaid principal balance of such insured mortgage. RIF is affected by IIF and the LTV profile of our insured mortgages, with lower LTV loans generally having a lower coverage percentage and higher LTV loans having a higher coverage percentage. Gross RIF represents RIF before consideration of reinsurance. Net RIF is gross RIF net of ceded reinsurance.
Net Premiums Written and Net Premiums Earned
We set our premium rates on individual policies based on the risk characteristics of the underlying mortgage loans and borrowers, and in accordance with our filed rates and applicable rating rules. On June 4, 2018, we introduced a proprietary risk-based pricing platform, which we refer to as Rate GPS. Rate GPS considers a broad range of individual variables, including property type, type of loan product, borrower credit characteristics, and lender and market factors, and provides us with the ability to set and charge premium rates commensurate with the underlying risk of each loan that we insure. We introduced Rate GPS in June 2018 to replace our previous rate card pricing system. While most of our new business is priced through Rate GPS, we also
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continue to offer a rate card pricing option to a limited number of lender customers who require a rate card for operational reasons. We believe the introduction and utilization of Rate GPS provides us with a more granular and analytical approach to evaluating and pricing risk, and that this approach enhances our ability to continue building a high-quality mortgage insurance portfolio and delivering attractive risk-adjusted returns.
Premiums are generally fixed for the duration of our coverage of the underlying loans. Net premiums written are equal to gross premiums written minus ceded premiums written under our reinsurance arrangements, less premium refunds and premium write-offs. As a result, net premiums written are generally influenced by:
NIW;
premium rates and the mix of premium payment type, which are either single, monthly or annual premiums, as described below;
cancellation rates of our insurance policies, which are impacted by payments or prepayments on mortgages, refinancings (which are affected by prevailing mortgage interest rates as compared to interest rates on loans underpinning our in force policies), levels of claim payments and home prices; and
cession of premiums under third-party reinsurance arrangements.
Premiums are paid either by the borrower (BPMI) or the lender (LPMI) in a single payment at origination (single premium), on a monthly installment basis (monthly premium) or on an annual installment basis (annual premium). Our net premiums written will differ from our net premiums earned due to policy payment type. For single premiums, we receive a single premium payment at origination, which is earned over the estimated life of the policy. Substantially all of our single premium policies in force as of June 30, 20212022 were non-refundable under most cancellation scenarios. If non-refundable single premium policies are canceled, we immediately recognize the remaining unearned premium balances as earned premium revenue. Monthly premiums are recognized in the month billed and when the coverage is effective. Annual premiums are earned on a straight-line basis over the year of coverage. Substantially all of our policies provide for either single or monthly premiums.
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The percentage of IIF that remains on our books after any twelve-month period is defined as our persistency rate. Because our insurance premiums are earned over the life of a policy, higher persistency rates can have a significant impact on our net premiums earned and profitability. Generally, faster speeds of mortgage prepayment lead to lower persistency. Prepayment speeds and the relative mix of business between single and monthly premium policies also impact our profitability. Our premium rates include certain assumptions regarding repayment or prepayment speeds of the mortgages underlying our policies. Because premiums are paid at origination on single premium policies and our single premium policies are generally non-refundable on cancellation, assuming all other factors remain constant, if single premium loans are prepaid earlier than expected, our profitability on these loans is likely to increase and, if loans are repaid slower than expected, our profitability on these loans is likely to decrease. By contrast, if monthly premium loans are repaid earlier than anticipated, we do not earn any more premium with respect to those loans and, unless we replace the repaid monthly premium loan with a new loan at the same premium rate or higher, our revenue is likely to decline.
Effect of reinsurance on our results
We utilize third-party reinsurance to actively manage our risk, ensure compliance with PMIERs, state regulatory and other applicable capital requirements, and support the growth of our business. We currently have both quota share and excess-of-loss reinsurance agreements in place, which impact our results of operations and regulatory capital and PMIERs asset positions. Under a quota share reinsurance agreement, the reinsurer receives a premium in exchange for covering an agreed-upon portion of incurred losses. Such a quota share arrangement reduces premiums written and earned and also reduces RIF, providing capital relief to the ceding insurance company and reducing incurred claims in accordance with the terms of the reinsurance agreement. In addition, reinsurers typically pay ceding commissions as part of quota share transactions, which offset the ceding company's acquisition and underwriting expenses. Certain quota share agreements include profit commissions that are earned based on loss performance and serve to reduce ceded premiums. Under an excess-of-loss agreement, the ceding insurer is typically responsible for losses up to an agreed-upon threshold and the reinsurer then provides coverage in excess of such threshold up to a maximum agreed-upon limit. We expect to continue to evaluate reinsurance opportunities in the normal course of business.
Quota share reinsurance
NMIC is a party to four outstandingfive active quota share reinsurance treaties – the 2016 QSR Transaction, effective September 1, 2016, the 2018 QSR Transaction, effective January 1, 2018, the 2020 QSR Transaction, effective April 1, 2020, and the 2021 QSR Transaction, effective January 1, 2021.2021, and the 2022 QSR Transaction, effective October 1, 2021 – which we refer to collectively
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as the QSR Transactions. Under each of the QSR Transactions, NMIC cedes a proportional share of its risk on eligible policies written during a discrete period to panels of third-party reinsurance providers. Each of the third-party reinsurance providers has an insurer financial strength rating of A- or better by S&P,Standard & Poor's Rating Service (S&P), A.M. Best Company, Inc. (A.M. Best) or both.
Under the terms of the 2016 QSR Transaction, NMIC cedes premiums written related to 25% of the risk on eligible primary policies written for all periods through December 31, 2017 and 100% of the risk under our pool agreement with Fannie Mae, in exchange for reimbursement of ceded claims and claim expenses on covered policies, a 20% ceding commission, and a profit commission of up to 60% that varies directly and inversely with ceded claims.
Under the terms of the 2018 QSR Transaction, NMIC cedes premiums earned related to 25% of the risk on eligible policies written in 2018 and 20% of the risk on eligible policies written in 2019, in exchange for reimbursement of ceded claims and claim expenses on covered policies, a 20% ceding commission, and a profit commission of up to 61% that varies directly and inversely with ceded claims.
Under the terms of the 2020 QSR Transaction, NMIC cedes premiums earned related to 21% of the risk on eligible policies written from April 1, 2020 through December 31, 2020, in exchange for reimbursement of ceded claims and claim expenses on covered policies, a 20% ceding commission, and a profit commission of up to 50% that varies directly and inversely with ceded claims.
Under the terms of the 2021 QSR Transaction, NMIC cedes premiums earned related to 22.5% of the risk on eligible policies written in 2021 (subject to an aggregate risk written limit)limit which was exhausted on October 30, 2021), in exchange for reimbursement of ceded claims and claim expenses on covered policies,policies, a 20% ceding commission, and a profit commission of up to 57.5% that varies directly and inversely with ceded claims.
Under the terms of the 2022 QSR Transaction, NMIC cedes premiums earned related to 20% of the risk on eligible policies written between October 30, 2021 and December 31, 2022, in exchange for reimbursement of ceded claims and claims expenses on covered policies, a 20% ceding commission, and a profit commission of up to 62% that varies directly and inversely with ceded claims.
In connection with the 2022 QSR Transaction, NMIC entered into an additional back-to-back quota share agreement that is scheduled to incept on January 1, 2023 (the 2023 QSR Transaction). Under the terms of the 2023 QSR Transactions, NMIC will cede premiums earned related to 20% of the risk on eligible policies written in 2023, in exchange for reimbursement of ceded claims and claim expenses on covered policies, a 20% ceding commission, and a profit commission of up to 62% that varies directly and inversely with ceded claims.
NMIC may elect to terminate its engagement with individual reinsurers on a run-off basis (i.e., reinsurers continue providing coverage on all risk ceded prior to the termination date, with no new cessions going forward) or cut-off basis (i.e., the reinsurance arrangement is completely terminated with NMIC recapturing all previously ceded risk) under certain circumstances. Such selective termination rights arise when, among other reasons, a reinsurer experiences a deterioration in its capital position below a prescribed threshold and/or a reinsurer breaches (and fails to cure) its collateral posting obligations under the relevant agreement.
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Effective April 1, 2019, NMIC elected to terminate its engagement with one reinsurer under the 2016 QSR Transaction on a cut-off basis. In connection with the termination, NMIC recaptured approximately $500 million of previously ceded primary RIF and stopped ceding new premiums written with respect to the recaptured risk. With this termination, ceded premiums written under the 2016 QSR Transaction decreased from 25% to 20.5% on eligible policies. The termination had no effect on the cession of pool risk under the 2016 QSR Transaction.
Excess-of-loss reinsurance
Insurance-linked note excess-of-loss reinsurance transactions
NMIC is party to reinsurance agreements with the Oaktown Re Vehicles that provide it with aggregate excess-of-loss reinsurance coverage on defined portfolios of mortgage insurance policies. Under each agreement, NMIC retains a first layer of aggregate loss exposure on covered policies and the respective Oaktown Re Vehicle then provides second layer loss protection up to a defined reinsurance coverage amount. NMIC then retains losses in excess of the respective reinsurance coverage amounts.
The respective reinsurance coverage amounts provided by the Oaktown Re Vehicles decrease from the inception of each agreement over a ten-year period as the underlying insured mortgages are amortized or repaid, and/or the mortgage insurance coverage is canceled.canceled (except the coverage provided by Oaktown Re VI Ltd. and Oaktown Re VII Ltd., which decreases over a 12.5-year period). As the
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reinsurance coverage decreases, a prescribed amount of collateral held in trust by the Oaktown Re Vehicles is distributed to ILN Transaction note-holders as amortization of the outstanding insurance-linked note principal balances occurs.balances. The outstanding reinsurance coverage amounts stop amortizing, and the collateral distribution to ILN Transaction note-holders and amortization of insurance-linked note principal is suspended if certain credit enhancement or delinquency thresholds, as defined in each agreement, are triggered (each, a Lock-Out Event). A Lock-Out Event was deemed to have occurred, effectiveAs of June 25, 2020 for each of30, 2022, the 2017, 2018 and 2019 ILN Transactions (relatedwere deemed to be in Lock Out due to the default experience of the underlying reference pools for each respective transaction)transaction and at inception of the 2021-12021-2 ILN Transaction (relatedwas deemed to be in Lock Out in connection with the initial build of its target credit enhancement), andenhancement level.As such, the amortization of reinsurance coverage, and distribution of collateral assets and amortization of insurance-linked notes was suspended for each ILN Transaction. The amortization of reinsurance coverage, distribution of collateral assets and amortization of insurance-linked notes issued in connection with the 2018, 2019 and 2021-2 ILN Transactions will remain suspended for the duration of the Lock-Out Event for each respective ILN Transaction, and during such period assets will be preserved in the applicable reinsurance trust account to collateralize the excess-of-loss reinsurance coverage provided to NMIC.
NMIC holds optional termination rights under each ILN Transaction, including, among others, an optional call feature which provides NMIC the discretion to terminate the transaction on or after a prescribed date, and a clean-up call if the outstanding reinsurance coverage amount amortizes to 10% or less of the reinsurance coverage amount at inception or if NMIC reasonably determines that changes to GSE or rating agency asset requirements would cause a material and adverse effect on the capital treatment afforded to NMIC under a given agreement. In addition, there are certain events that trigger mandatory termination of an agreement, including NMIC's failure to pay premiums or consent to reductions in a trust account to make principal payments to note-holders, among others.
Effective March 25, 2022 and April 25, 2022, NMIC exercised its optional clean-up call to terminate the 2017 and 2020-1 ILN Transactions, respectively. In connection with the termination of each respective transaction, NMIC’s excess of loss reinsurance agreements with Oaktown Re Ltd. and Oaktown Re IV Ltd. were commuted and the insurance-linked notes issued by Oaktown Re Ltd. and Oaktown Re IV Ltd. were redeemed in full with a distribution of remaining collateral assets.

The following table presents the inception date, covered production period, initial and current reinsurance coverage amount, and initial and current first layer retained aggregate loss and detail on the level of overcollateralization under each of theoutstanding ILN Transactions.Transaction. Current amounts are presented as of June 30, 2021.2022.
($ values in thousands)
Inception DateCovered ProductionInitial Reinsurance CoverageCurrent Reinsurance CoverageInitial First Layer Retained Loss
Current First Layer Retained Loss (1)
2017 ILN TransactionMay 2, 20171/1/2013 - 12/31/2016$211,320 $40,226 $126,793 $121,234 
2018 ILN TransactionJuly 25, 20181/1/2017 - 5/31/2018264,545 158,489 125,312 122,937 
2019 ILN TransactionJuly 30, 20196/1/2018 - 6/30/2019326,905 231,877 123,424 122,757 
2020-1 ILN TransactionJuly 30, 20207/1/2019 - 3/31/2020322,076 128,750 169,514 169,488 
2020-2 ILN TransactionOctober 29, 2020
4/1/2020 - 9/30/2020 (2)
242,351 205,846 121,777 121,177 
2021-1 ILN Transaction (4)
April 27, 2021
10/1/2020 - 3/31/2021(3)
367,238 367,238 163,708 163,708 

($ values in thousands)2018 ILN Transaction2019 ILN Transaction2020-2 ILN Transaction2021-1 ILN Transaction2021-2 ILN Transaction
Inception dateJuly 25, 2018July 30, 2019October 29, 2020April 27, 2021October 26, 2021
Covered production1/1/2017 - 5/31/20186/1/2018 - 6/30/2019
4/1/2020 - 9/30/2020 (1)
10/1/2020 - 3/31/2021 (2)
4/1/2021 - 9/30/2021 (3)
Current ceded RIF$962,103 $1,074,965 $3,902,234 $7,435,648 $7,315,453 
Current first layer retained loss122,327 122,489 121,177 163,665 146,204 
Current reinsurance coverage158,489 231,877 127,409 339,756 363,596 
Eligible coverage$280,816 $354,366 $248,586 $503,421 $509,800 
Subordinated coverage (4)
29.19 %32.97 %6.25 %6.75 %6.97 %
PMIERs charge on ceded RIF7.81 %7.51 %5.38 %6.08 %6.57 %
Overcollateralization (5) (6)
$158,489 $231,877 $38,806 $51,389 $28,978 
Delinquency Trigger (7)
4.0%4.0%4.7 %5.1 %5.2 %
(1)    NMIC applies claims paid on covered policies against its first layer aggregate retained loss exposure, and cedes reserves for incurred claims and claims
expenses to each applicable ILN Transaction and recognizes a reinsurance recoverable if such incurred claims and claims expenses exceed its current
first layer retained loss.
(2)    Approximately 1% of the production covered by the 2020-2 ILN Transaction has coverage reporting dates between July 1, 2019 and March 31, 2020.
(3)(2)    Approximately 1% of the production covered by the 2021-1 ILN Transaction has coverage reporting dates between July 1, 2019 and September 30, 2020.
2020.(3)    Approximately 2% of the production covered by the 2021-2 ILN Transaction has coverage reporting dates between July 1, 2019 and March 31, 2021.
(4)     AsAbsent a delinquency trigger, the subordinated coverage is capped at 6.25%, 6.75% and 7.45% for the 2020-2, 2021-1 and 2021-2 ILN Transactions, respectively.
(5)    Overcollateralization for each of the 2018 and 2019 ILN Transactions is equal to their current reinsurance coverage as the PMIERs required asset amount on RIF ceded under each transaction is currently below its remaining first layer retained loss.
(6)    May not be replicated based on the rounded figures presented in the table.
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(7)    Delinquency triggers for the 2018 and 2019 ILN Transactions are set at a fixed 4.0% and assessed on a discrete monthly basis; delinquency triggers for the 2020-2, 2021-1 and 2021-2 ILN Transactions are equal to seventy-five percent of the subordinated coverage level and assessed on the basis of a three-month rolling average.
Traditional excess-of-loss reinsurance transaction
Effective April 1, 2022, NMIC secured $289.7 million of aggregate excess-of-loss reinsurance coverage at inception on a defined portfolio of mortgage insurance policies primarily written between October 1, 2021, and March 31, 2022 from a broad panel of highly rated reinsurers (the 2022-1 XOL Transaction). Under the agreement, NMIC retains $133.4 million of first layer aggregate loss exposure on covered policies, of which all remained as of June 30, 2021,2022, and the currentreinsurers then provide second layer loss protection up to a defined reinsurance coverage amount. The reinsurance coverage amount decreases from $289.7 million at inception over a ten-year period as the PMIERs minimum required assets of the underlying covered mortgages declines and was $286.6 million as of June 30, 2022. NMIC retains losses in excess of the outstanding reinsurance coverage amount.

NMIC holds optional termination rights under the 2022-1 XOL Transaction, including, among others, an option to terminate the transaction on or after April 1, 2027 at its discretion.NMIC may also elect to terminate the 2021-1 ILN transaction at any point if the outstanding reinsurance coverage amount amortizes to 10% or less of the reinsurance coverage amount provided at inception, or if it determines that it will no longer be able to take full PMIERs asset credit for the coverage. Additionally, under the terms of the treaty, NMIC may selectively terminate its engagement with individual reinsurers under certain circumstances. Such selective termination rights arise when, among other reasons, a reinsurer experiences a deterioration in its capital position below a prescribed threshold, and/or a reinsurer breaches (and fails to cure) its collateral posting obligation.

Each of the third-party reinsurance providers that is equalparty to the initial reinsurance coverage, as the
reinsurance coverage provided2022-1 XOL Transaction has an insurer financial strength rating of A- or better by Oaktown Re will not decrease until its target credit enhancement is met.S&P, A.M. Best or both.

See Item 1, "Financial Statements - Notes to Condensed Consolidated Financial Statements - Note 5, Reinsurance" for further discussion of these third-party reinsurance arrangements.

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Portfolio Data
The following table presents primary and pool NIW and IIF as of the dates and for the periods indicated. Unless otherwise noted, the tables below do not include the effects of our third-party reinsurance arrangements described above.
Primary and pool IIF and NIWPrimary and pool IIF and NIWAs of and for the three months endedFor the six months endedPrimary and pool IIF and NIWAs of and for the three months endedFor the six months ended
June 30, 2021June 30, 2020June 30, 2021June 30, 2020June 30, 2022June 30, 2021June 30, 2022June 30, 2021
IIFNIWIIFNIWNIWIIFNIWIIFNIWNIW
(In Millions)(In Millions)
MonthlyMonthly$117,629 $19,422 $82,848 $11,885 $43,186 $22,346 Monthly$148,488 $15,695 $117,629 $19,422 $28,789 $43,186 
SingleSingle18,969 3,329 16,057 1,239 5,962 2,075 Single20,151 916 18,969 3,329 1,987 5,962 
PrimaryPrimary136,598 22,751 98,905 13,124 49,148 24,421 Primary168,639 16,611 136,598 22,751 30,776 49,148 
PoolPool1,460 — 2,340 — — — Pool1,114 — 1,460 — — — 
TotalTotal$138,058 $22,751 $101,245 $13,124 $49,148 $24,421 Total$169,753 $16,611 $138,058 $22,751 $30,776 $49,148 
    
ForNIW for the three and six months ended June 30, 2021, NIW increased 73%2022 was $16.6 billion and 101%, respectively,$30.8 billion compared to $22.8 billion and $49.1 billion for the three and six months ended June 30, 2020, driven by growth in our monthly and single premium policy production tied2021. NIW decreased year-on-year primarily due to the increased penetration of existing customer accounts and new customer account activations, as well as growtha decline in the size of the total mortgage insurance market.
For the three months ended June 30, 2021, monthly premium polices accounted for 85% of our NIW, compared to 91% for the three months ended June 30, 2020. As of June 30, 2021, monthly premium policies accounted for 86% of our primary
Total IIF compared to 84%increased 23% at June 30, 2020.
Total IIF increased 36% at June 30, 20212022 compared to June 30, 2020,2021, primarily due to the NIW generated between such measurement dates, partially offset by the run-off of in-force policies. Our persistency rate decreasedimproved to 54%76.0% at June 30, 2022 from 53.9% at June 30, 2021, from 64% at June 30, 2020, reflecting a slowdown in the impactpace of increased refinancing activity during the intervening twelve-month period.twelve month period driven by an increase in interest and mortgage note rates.
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The following table presents net premiums written and earned for the periods indicated.indicated:
Primary and pool premiums written and earnedPrimary and pool premiums written and earnedFor the three months endedFor the six months endedPrimary and pool premiums written and earnedFor the three months endedFor the six months ended
June 30, 2021June 30, 2020June 30, 2021June 30, 2020June 30, 2022June 30, 2021June 30, 2022June 30, 2021
(In Thousands)(In Thousands)
Net premiums writtenNet premiums written$126,642 $90,109 $242,457 $181,480 Net premiums written$118,457 $126,642 $234,491 $242,457 
Net premiums earnedNet premiums earned110,888 98,944 216,767 197,661 Net premiums earned120,870 110,888 237,365 216,767 
For the three and six months ended June 30, 2021,2022, net premiumspremium written increased 41%decreased 6% and 34%3%, respectively, andwhile net premiums earned increased 12%9% and 10%, respectively, compared to the three and six months ended June 30, 2020.2021. The decreases in net premium written were primarily driven by a decrease in single premium policy production from period to period, partially offset by growth in our monthly IIF and monthly pay policy premium receipts. The increases in the net premiums written andpremium earned were primarily due to the growth of our IIF, and increased monthly policy production, partially offset by increased cessions under the QSR and ILN Transactions. Net premiums written grew at an accelerated rate compared to net premiums earned due to an increase in the volume and mix of our single premium policy production and declinea decrease in the contribution offrom single premium policy cancellations during the three and six months ended June 30, 2021.an increase in total premiums ceded under our reinsurance transactions.
Pool premiums written and earned for the three and six months ended June 30, 2022 and 2021, were $0.3 millionand 2020, were$0.6 million, and $0.4 million and $0.9 million, and $0.7 million and $1.4 million, respectively, before giving effect to the 2016 QSR Transaction, under which all of our written and earned pool premiums are ceded. A portion of our ceded pool premiums written and earned are recouped through profit commission.
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Portfolio Statistics
Unless otherwise noted, the portfolio statistics tables presented below do not include the effects of our third-party reinsurance arrangements described above. The table below highlights trends in our primary portfolio as of the dates and for the periods indicated.
Primary portfolio trendsPrimary portfolio trendsAs of and for the three months endedPrimary portfolio trendsAs of and for the three months ended
June 30, 2021March 31, 2021December 31, 2020September 30, 2020June 30, 2020June 30, 2022March 31, 2022December 31, 2021September 30, 2021June 30, 2021
($ Values In Millions, except as noted below)($ Values In Millions, except as noted below)
New insurance writtenNew insurance written$22,751 $26,397 $19,782 $18,499 $13,124 New insurance written$16,611 $14,165 $18,342 $18,084 $22,751 
Percentage of monthly premiumPercentage of monthly premium85 %90 %90 %89 %91 %Percentage of monthly premium94 %92 %93 %93 %85 %
Percentage of single premiumPercentage of single premium15 %10 %10 %11 %%Percentage of single premium%%%%15 %
New risk writtenNew risk written$5,650 $6,531 $4,868 $4,577 $3,260 New risk written$4,386 $3,721 $4,786 $4,640 $5,650 
Insurance-in-force (1)
Insurance-in-force (1)
136,598 123,777 111,252 104,494 98,905 
Insurance-in-force (1)
168,639 158,877 152,343 143,618 136,598 
Percentage of monthly premiumPercentage of monthly premium86 %86 %86 %85 %84 %Percentage of monthly premium88 %88 %87 %87 %86 %
Percentage of single premiumPercentage of single premium14 %14 %14 %15 %16 %Percentage of single premium12 %12 %13 %13 %14 %
Risk-in-force (1)
Risk-in-force (1)
$34,366 $31,206 $28,164 $26,568 $25,238 
Risk-in-force (1)
$43,260 $40,522 $38,661 $36,253 $34,366 
Policies in force (count) (1)
Policies in force (count) (1)
471,794 436,652 399,429 381,899 372,934 
Policies in force (count) (1)
551,543 526,976 512,316 490,714 471,794 
Average loan size ($ value in thousands) (1)
Average loan size ($ value in thousands) (1)
$290 $283 $279 $274 $265 
Average loan size ($ value in thousands) (1)
$306 $301 $297 $293 $290 
Coverage percentage (2)
Coverage percentage (2)
25.2 %25.2 %25.3 %25.4 %25.5 %
Coverage percentage (2)
25.7 %25.5 %25.4 %25.2 %25.2 %
Loans in default (count) (1)
Loans in default (count) (1)
8,764 11,090 12,209 13,765 10,816 
Loans in default (count) (1)
4,271 5,238 6,227 7,670 8,764 
Default rate (1)
Default rate (1)
1.86 %2.54 %3.06 %3.60 %2.90 %
Default rate (1)
0.77 %0.99 %1.22 %1.56 %1.86 %
Risk-in-force on defaulted loans (1)
Risk-in-force on defaulted loans (1)
$625 $785 $874 $1,008 $799 
Risk-in-force on defaulted loans (1)
$295 $362 $435 $546 $625 
Net premium yield (3)
Net premium yield (3)
0.34 %0.36 %0.37 %0.39 %0.40 %
Net premium yield (3)
0.30 %0.30 %0.31 %0.32 %0.34 %
Earnings from cancellationsEarnings from cancellations$7.0 $9.9 $11.7 $12.6 $15.5 Earnings from cancellations$2.2 $2.9 $5.1 $7.7 $7.0 
Annual persistency (4)
Annual persistency (4)
53.9 %51.9 %55.9 %60.0 %64.1 %
Annual persistency (4)
76.0 %71.5 %63.8 %58.1 %53.9 %
Quarterly run-off (5)
Quarterly run-off (5)
8.0 %12.5 %12.5 %13.1 %12.9 %
Quarterly run-off (5)
4.3 %5.0 %6.7 %8.1 %8.0 %
(1)    Reported as of the end of the period.
(2)    Calculated as end of period RIF divided by end of period IIF.
(3)    Calculated as net premiums earned divided by average primary IIF for the period, annualized.
(4)    Defined as the percentage of IIF that remains on our books after a given twelve-month period.
(5)    Defined as the percentage of IIF that is no longer on our books after a given three-month period.
The table below presents a summary of the change in total primary IIF for the dates and periods indicated.
Primary IIFPrimary IIFFor the three months endedFor the six months endedPrimary IIFAs of and for the three months endedAs of and for the six months ended
June 30, 2021June 30, 2020June 30, 2021June 30, 2020June 30, 2022June 30, 2021June 30, 2022June 30, 2021
(In Millions)(In Millions)
IIF, beginning of periodIIF, beginning of period$123,777 $98,494 $111,252 $94,754 IIF, beginning of period$158,877 $123,777 $152,343 $111,252 
NIWNIW22,751 13,124 49,148 24,421 NIW16,611 22,751 30,776 49,148 
Cancellations, principal repayments and other reductionsCancellations, principal repayments and other reductions(9,930)(12,713)(23,802)(20,270)Cancellations, principal repayments and other reductions(6,849)(9,930)(14,480)(23,802)
IIF, end of periodIIF, end of period$136,598 $98,905 $136,598 $98,905 IIF, end of period$168,639 $136,598 $168,639 $136,598 
3936


We consider a "book" to be a collective pool of policies insured during a particular period, normally a calendar year. In general, the majority of underwriting profit, calculated as earned premium revenue minus claims and underwriting and operating expenses, generated by a particular book year emerges in the years immediately following origination. This pattern generally occurs because relatively few of the claims that a book will ultimately experience typically occur in the first few years following origination, when premium revenue is highest, while subsequent years are affected by declining premium revenues, as the number of insured loans decreases (primarily due to loan prepayments), and by increasing losses.
The table below presents a summary of our primary IIF and RIF by book year as of the dates indicated.
Primary IIF and RIFPrimary IIF and RIFAs of June 30, 2021As of June 30, 2020Primary IIF and RIFAs of June 30, 2022As of June 30, 2021
IIFRIFIIFRIFIIFRIFIIFRIF
(In Millions)(In Millions)
June 30, 2021$48,314 $11,986 $— $— 
June 30, 2022June 30, 2022$30,249 $7,972 $— $— 
2021202176,657 19,522 48,314 11,986 
2020202051,100 12,792 23,949 6,039 202039,154 9,928 51,100 12,792 
2019201917,279 4,527 34,658 9,017 201910,248 2,688 17,279 4,527 
201820186,745 1,719 14,322 3,643 20184,021 1,030 6,745 1,719 
20175,687 1,424 11,548 2,877 
2016 and before7,473 1,918 14,428 3,662 
2017 and before2017 and before8,310 2,120 13,160 3,342 
TotalTotal$136,598 $34,366 $98,905 $25,238 Total$168,639 $43,260 $136,598 $34,366 
We utilize certain risk principles that form the basis of how we underwrite and originate NIW. We have established prudential underwriting standards and loan-level eligibility matrices which prescribe the maximum LTV, minimum borrower FICO score, maximum borrower DTI ratio, maximum loan size, property type, loan type, loan term and occupancy status of loans that we will insure and memorialized these standards and eligibility matrices in our Underwriting Guideline Manual that is publicly available on our website. Our underwriting standards and eligibility criteria are designed to limit the layering of risk in a single insurance policy. "Layered risk" refers to the accumulation of borrower, loan and property risk. For example, we have higher credit score and lower maximum allowed LTV requirements for investor-owned properties, compared to owner-occupied properties. We monitor the concentrations of various risk attributes in our insurance portfolio, which may change over time, in part, as a result of regional conditions or public policy shifts.
4037


The tables below present our primary NIW by FICO, LTV and purchase/refinance mix for the periods indicated. We calculate the LTV of a loan as the percentage of the original loan amount to the original purchase value of the property securing the loan.
Primary NIW by FICOPrimary NIW by FICOFor the three months endedFor the six months endedPrimary NIW by FICOFor the three months endedFor the six months ended
June 30, 2021June 30, 2020June 30, 2021June 30, 2020June 30, 2022June 30, 2021June 30, 2022June 30, 2021
(In Millions)(In Millions)
>= 760>= 760$11,390 $8,052 $24,304 $14,342 >= 760$7,990 $11,390 $14,362 $24,304 
740-759740-7594,246 1,866 9,558 3,481 740-7592,900 4,246 5,288 9,558 
720-739720-7393,152 1,607 7,115 3,186 720-7392,056 3,152 3,993 7,115 
700-719700-7191,798 959 4,156 1,997 700-7191,650 1,798 3,289 4,156 
680-699680-6991,292 514 2,652 1,079 680-6991,277 1,292 2,521 2,652 
<=679<=679873 126 1,363 336 <=679738 873 1,323 1,363 
TotalTotal$22,751 $13,124 $49,148 $24,421 Total$16,611 $22,751 $30,776 $49,148 
Weighted average FICOWeighted average FICO754 762 755 760 Weighted average FICO751 754 750 755 
Primary NIW by LTVPrimary NIW by LTVFor the three months endedFor the six months endedPrimary NIW by LTVFor the three months endedFor the six months ended
June 30, 2021June 30, 2020June 30, 2021June 30, 2020June 30, 2022June 30, 2021June 30, 2022June 30, 2021
(In Millions)(In Millions)
95.01% and above95.01% and above$2,177 $547 $4,628 $1,268 95.01% and above$1,577 $2,177 $2,943 $4,628 
90.01% to 95.00%90.01% to 95.00%9,941 5,385 20,992 10,394 90.01% to 95.00%8,253 9,941 15,308 20,992 
85.01% to 90.00%85.01% to 90.00%6,262 5,067 14,110 9,149 85.01% to 90.00%4,772 6,262 8,640 14,110 
85.00% and below85.00% and below4,371 2,125 9,418 3,610 85.00% and below2,009 4,371 3,885 9,418 
TotalTotal$22,751 $13,124 $49,148 $24,421 Total$16,611 $22,751 $30,776 $49,148 
Weighted average LTVWeighted average LTV91.3 %90.7 %91.1 %91.0 %Weighted average LTV92.2 %91.3 %92.1 %91.1 %
Primary NIW by purchase/refinance mixPrimary NIW by purchase/refinance mixFor the three months endedFor the six months endedPrimary NIW by purchase/refinance mixFor the three months endedFor the six months ended
June 30, 2021June 30, 2020June 30, 2021June 30, 2020June 30, 2022June 30, 2021June 30, 2022June 30, 2021
(In Millions)(In Millions)
PurchasePurchase$18,911 $7,776 $36,820 $15,767 Purchase$16,203 $18,911 $29,601 $36,820 
Refinance
Refinance
3,840 5,348 12,328 8,654 
Refinance
408 3,840 1,175 12,328 
TotalTotal$22,751 $13,124 $49,148 $24,421 Total$16,611 $22,751 $30,776 $49,148 

4138


The tables below present our total primary IIF and RIF by FICO and LTV, and total primary RIF by loan type as of the dates indicated.
Primary IIF by FICOPrimary IIF by FICOAs ofPrimary IIF by FICOAs of
June 30, 2021June 30, 2020June 30, 2022June 30, 2021
($ Values In Millions)($ Values In Millions)
>= 760>= 760$70,583 51 %$48,898 49 %>= 760$83,769 50 %$70,583 51 %
740-759740-75923,175 17 15,764 16 740-75929,195 17 23,175 17 
720-739720-73918,857 14 13,882 14 720-73923,240 14 18,857 14 
700-719700-71912,230 10,228 10 700-71916,221 10 12,230 
680-699680-6997,927 6,657 680-69911,160 7,927 
<=679<=6793,826 3,476 <=6795,054 3,826 
TotalTotal$136,598 100 %$98,905 100 %Total$168,639 100 %$136,598 100 %
Primary RIF by FICOPrimary RIF by FICOAs ofPrimary RIF by FICOAs of
June 30, 2021June 30, 2020June 30, 2022June 30, 2021
($ Values In Millions)($ Values In Millions)
>= 760>= 760$17,531 51 %$12,433 49 %>= 760$21,159 49 %$17,531 51 %
740-759740-7595,873 17 4,031 16 740-7597,564 17 5,873 17 
720-739720-7394,798 14 3,585 14 720-7396,044 14 4,798 14 
700-719700-7193,161 2,625 10 700-7194,289 10 3,161 
680-699680-6992,047 1,706 680-6992,936 2,047 
<=679<=679956 858 <=6791,268 956 
TotalTotal$34,366 100 %$25,238 100 %Total$43,260 100 %$34,366 100 %
Primary IIF by LTVPrimary IIF by LTVAs ofPrimary IIF by LTVAs of
June 30, 2021June 30, 2020June 30, 2022June 30, 2021
($ Values In Millions)($ Values In Millions)
95.01% and above95.01% and above$12,026 %$8,453 %95.01% and above$16,068 10 %$12,026 %
90.01% to 95.00%90.01% to 95.00%60,358 44 45,862 46 90.01% to 95.00%77,804 46 60,358 44 
85.01% to 90.00%85.01% to 90.00%43,064 32 32,603 33 85.01% to 90.00%51,029 30 43,064 32 
85.00% and below85.00% and below21,150 15 11,987 12 85.00% and below23,738 14 21,150 15 
TotalTotal$136,598 100 %$98,905 100 %Total$168,639 100 %$136,598 100 %
Primary RIF by LTVPrimary RIF by LTVAs ofPrimary RIF by LTVAs of
June 30, 2021June 30, 2020June 30, 2022June 30, 2021
($ Values In Millions)($ Values In Millions)
95.01% and above95.01% and above$3,552 10 %$2,387 %95.01% and above$4,914 11 %$3,552 10 %
90.01% to 95.00%90.01% to 95.00%17,774 52 13,463 53 90.01% to 95.00%22,974 53 17,774 52 
85.01% to 90.00%85.01% to 90.00%10,555 31 7,985 32 85.01% to 90.00%12,553 29 10,555 31 
85.00% and below85.00% and below2,485 1,403 85.00% and below2,819 2,485 
TotalTotal$34,366 100 %$25,238 100 %Total$43,260 100 %$34,366 100 %
4239


Primary RIF by Loan TypePrimary RIF by Loan TypeAs ofPrimary RIF by Loan TypeAs of
June 30, 2021June 30, 2020June 30, 2022June 30, 2021
FixedFixed99 %98 %Fixed99 %99 %
Adjustable rate mortgages
Adjustable rate mortgages:Adjustable rate mortgages:
Less than five yearsLess than five years— — Less than five years— — 
Five years and longerFive years and longerFive years and longer
TotalTotal100 %100 %Total100 %100 %
The table below presents selected primary portfolio statistics, by book year, as of June 30, 2021.2022.
As of June 30, 2021As of June 30, 2022
Book YearBook YearOriginal Insurance WrittenRemaining Insurance in Force% Remaining of Original InsurancePolicies Ever in ForceNumber of Policies in ForceNumber of Loans in Default# of Claims Paid
Incurred Loss Ratio (Inception to Date) (1)
Cumulative Default Rate (2)
Current Default Rate (3)
Book YearOriginal Insurance WrittenRemaining Insurance in Force% Remaining of Original InsurancePolicies Ever in ForceNumber of Policies in ForceNumber of Loans in Default# of Claims Paid
Incurred Loss Ratio (Inception to Date) (1)
Cumulative Default Rate (2)
Current Default Rate (3)
($ Values in Millions)($ Values in Millions)
20132013$162 $%655 56 0.3 %0.5 %3.6 %2013$162 $%655 40 0.6 %0.3 %2.5 %
201420143,451 357 10 %14,786 2,159 77 48 4.2 %0.8 %3.6 %20143,451 235 %14,786 1,455 29 50 4.0 %0.5 %2.0 %
2015201512,422 2,186 18 %52,548 11,723 419 114 3.2 %1.0 %3.6 %201512,422 1,440 12 %52,548 7,941 170 121 3.0 %0.6 %2.1 %
2016201621,187 4,922 23 %83,626 23,999 965 126 2.9 %1.3 %4.0 %201621,187 3,145 15 %83,626 16,073 343 138 2.7 %0.6 %2.1 %
2017201721,582 5,687 26 %85,897 28,150 1,539 88 4.5 %1.9 %5.5 %201721,582 3,484 16 %85,897 18,205 607 112 3.9 %0.8 %3.3 %
2018201827,295 6,745 25 %104,043 32,452 2,039 69 8.5 %2.0 %6.3 %201827,295 4,021 15 %104,043 20,359 785 100 6.6 %0.9 %3.9 %
2019201945,141 17,279 38 %148,423 67,015 2,505 13 13.5 %1.7 %3.7 %201945,141 10,248 23 %148,423 42,491 812 25 8.5 %0.6 %1.9 %
2020202062,702 51,100 81 %186,174 157,288 1,171 7.5 %0.6 %0.7 %202062,702 39,154 62 %186,174 125,400 696 4.6 %0.4 %0.6 %
2021202149,148 48,314 98 %150,923 148,952 47 — 0.5 %— %— %202185,574 76,657 90 %257,972 236,705 811 4.3 %0.3 %0.3 %
2022202230,776 30,249 98 %84,034 82,874 17 — 1.0 %— %— %
TotalTotal$243,090 $136,598 827,075 471,794 8,764 460 Total$310,292 $168,639 1,018,158 551,543 4,271 550 
(1)    Calculated as total claims incurred (paid and reserved) divided by cumulative premiums earned, net of reinsurance.
(2)    Calculated as the sum of the number of claims paid ever to date and number of loans in default divided by policies ever in force.
(3)    Calculated as the number of loans in default divided by number of policies in force.
40


Geographic Dispersion
The following table shows the distribution by state of our primary RIF as of the periodsdates indicated. The distribution of our primary RIF as of June 30, 20212022 is not necessarily representative of the geographic distribution we expect in the future.
Top 10 primary RIF by stateTop 10 primary RIF by stateAs ofTop 10 primary RIF by stateAs of
June 30, 2021June 30, 2020June 30, 2022June 30, 2021
CaliforniaCalifornia10.3 %11.3 %California10.8 %10.3 %
TexasTexas9.8 8.1 Texas9.0 9.8 
FloridaFlorida8.3 6.2 Florida8.3 8.3 
VirginiaVirginia5.0 5.4 Virginia4.3 5.0 
GeorgiaGeorgia4.0 3.5 
IllinoisIllinois3.9 3.8 
WashingtonWashington3.9 3.6 
ColoradoColorado4.1 3.8 Colorado3.7 4.1 
MarylandMaryland3.9 3.5 Maryland3.5 3.9 
Illinois3.8 4.0 
Washington3.6 3.4 
Georgia3.5 2.8 
PennsylvaniaPennsylvania3.2 3.6 Pennsylvania3.3 3.2 
TotalTotal55.5 %52.1 %Total54.7 %55.5 %

43


Insurance Claims and Claim Expenses
Insurance claims and claim expenses incurred represent estimated future payments on newly defaulted insured loans and any change in our claim estimates for previously existing defaults. Claims incurred are generally affected by a variety of factors, including the macroeconomic environment, national and regional unemployment trends, changes in housing values, borrower risk characteristics, LTV ratios and other loan level risk attributes, the size and type of loans insured, the percentage of coverage on insured loans, and the level of reinsurance coverage maintained against insured exposures.
Reserves for claims and claim expenses are established for mortgage loans that are in default. A loan is considered to be in default as of the payment date at which a borrower has missed the preceding two or more consecutive monthly payments. We establish reserves for loans that have been reported to us in default by servicers, referred to as case reserves, and additional loans that we estimate (based on actuarial review and other factors) to be in default that have not yet been reported to us by servicers, referred to as IBNR. We also establish reserves for claim expenses, which represent the estimated cost of the claim administration process, including legal and other fees and other general expenses of administering the claim settlement process. Reserves are not established for future claims on insured loans which are not currently reported or which we estimate are not currently in default.
Reserves are established by estimating the number of loans in default that will result in a claim payment, which is referred to as claim frequency, and the amount of the claim payment expected to be paid on each such loan in default, which is referred to as claim severity. Claim frequency and severity estimates are established based on historical observed experience regarding certain loan factors, such as age of the default, cure rates, size of the loan and estimated change in property value. Reserves are released the month in which a loan in default is brought current by the borrower, which is referred to as a cure. Adjustments to reserve estimates are reflected in the period in which the adjustment is made. Reserves are also ceded to reinsurers under the QSR Transactions and ILN Transactions, as applicable under each treaty. We have not yet ceded any reserves under the ILN Transactions as incurred claims and claimsclaim expenses on each respective reference pool remain within our retained coverage layer of each transaction. Our pool insurance agreement with Fannie Mae contains a claim deductible through which Fannie Mae absorbs specified losses before we are obligated to pay any claims. We have not established any claims or claim expense reserves for pool exposure to date.
The actual claims we incur as our portfolio matures are difficult to predict and depend on the specific characteristics of our current in-force book (including the credit score and DTI of the borrower, the LTV ratio of the mortgage and geographic concentrations, among others), as well as the risk profile of new business we write in the future. In addition, claims experience will be affected by macroeconomic factors such as housing prices, interest rates, unemployment rates and other events, such as natural disasters or global pandemics, and any federal, state or local governmental response thereto.
41


Our reserve setting process considers the beneficial impact of forbearance, foreclosure moratorium and other assistance programs available to defaulted borrowers. We generally observe that forbearance programs are an effective tool to bridge dislocated borrowers from a time of acute stress to a future date when they can resume timely payment of their mortgage obligations. The effectiveness of forbearance programs is enhanced by the availability of various repayment and loan modification options which allow borrowers to amortize or, in certain instances, outright defer payments otherwise due during the forbearance period over an extended length of time.
In response to the COVID-19 outbreak,pandemic, politicians, regulators, lenders, loan servicers and others have offered extraordinary assistance to dislocated borrowers through, among other programs, the forbearance, foreclosure moratorium and other assistance programs codified under the CARES Act.Coronavirus Aid, Relief, and Economic Security Act (CARES Act). The FHFA and GSEs have offered further assistance by introducing new repayment and loan modification options to assist borrowers with their transition out of forbearance programs and default status. At June 30, 2020 and 2021, we established lower reserves for defaults that we consider to be connected to the COVID-19 outbreak, given our expectationWe generally observe that forbearance, repayment and modification, and other assistance programs will aid affected borrowers and drive higher cure rates on such defaults than we would otherwise expect to experiencebe expected on similarly situated loans that did not benefit from broad-based assistance programs.

44


The following table provides a reconciliation of the beginning and ending gross reserve balances for primary insurance claims and claim expenses.(benefits) expenses:
For the three months endedFor the six months endedFor the three months endedFor the six months ended
June 30, 2021June 30, 2020June 30, 2021June 30, 2020June 30, 2022June 30, 2021June 30, 2022June 30, 2021
(In Thousands)(In Thousands)
Beginning balanceBeginning balance$96,103 $29,479 $90,567 $23,752 Beginning balance$102,372 $96,103 $103,551 $90,567 
Less reinsurance recoverables (1)
Less reinsurance recoverables (1)
(18,686)(6,193)(17,608)(4,939)
Less reinsurance recoverables (1)
(20,080)(18,686)(20,320)(17,608)
Beginning balance, net of reinsurance recoverablesBeginning balance, net of reinsurance recoverables77,417 23,286 72,959 18,813 Beginning balance, net of reinsurance recoverables82,292 77,417 83,231 72,959 
Add claims incurred:Add claims incurred:Add claims incurred:
Claims and claim expenses incurred:
Claims and claim (benefits) expenses incurred:Claims and claim (benefits) expenses incurred:
Current year (2)
Current year (2)
5,069 34,958 15,626 42,516 
Current year (2)
8,707 5,069 18,787 15,626 
Prior years (3)
Prior years (3)
(429)(624)(6,024)(2,485)
Prior years (3)
(11,743)(429)(22,442)(6,024)
Total claims and claim expenses incurred4,640 34,334 9,602 40,031 
Total claims and claim (benefits) expenses incurredTotal claims and claim (benefits) expenses incurred(3,036)4,640 (3,655)9,602 
Less claims paid:Less claims paid:Less claims paid:
Claims and claim expenses paid:Claims and claim expenses paid:Claims and claim expenses paid:
Current year (2)
Current year (2)
— 39 12 39 
Current year (2)
26 — 26 12 
Prior years (3)
Prior years (3)
548 1,985 1,040 3,209 
Prior years (3)
356 548 676 1,040 
Total claims and claim expenses paidTotal claims and claim expenses paid548 2,024 1,052 3,248 Total claims and claim expenses paid382 548 702 1,052 
Reserve at end of period, net of reinsurance recoverablesReserve at end of period, net of reinsurance recoverables81,509 55,596 81,509 55,596 Reserve at end of period, net of reinsurance recoverables78,874 81,509 78,874 81,509 
Add reinsurance recoverables (1)
Add reinsurance recoverables (1)
19,726 14,307 19,726 14,307 
Add reinsurance recoverables (1)
19,588 19,726 19,588 19,726 
Ending balanceEnding balance$101,235 $69,903 $101,235 $69,903 Ending balance$98,462 $101,235 $98,462 $101,235 
(1)    Related to ceded losses recoverable under the QSR Transactions. See Item 1, "Financial Statements - Notes to Condensed Consolidated Financial Statements - Note 5, Reinsurance" for additional information.
(2) Related to insured loans with their most recent defaults occurring in the current year. For example, if a loan had defaulted in a prior year and subsequently cured and later re-defaulted in the current year, thatthe default would be included in the current year. Amounts are presented net of reinsurance and included $14.0 million attributed to net case reserves and $4.5 million attributed to net IBNR reserves for the six months ended June 30, 2022 and $9.8 million attributed to net case reserves and $5.6 million attributed to net IBNR reserves for the six months ended June 30, 2021 and $34.7 million attributed to net case reserves and $7.1 million attributed to net IBNR reserves for the six months ended June 30, 2020.2021.
(3) Related to insured loans with defaults occurring in prior years, which have been continuously in default before the start of the current year. Amounts are presented net of reinsurance and included $17.0 million attributed to net case reserves and $4.7 million attributed to net IBNR reserves for the six months ended June 30, 2022 and $1.1 million attributed to net case reserves and $5.0 million attributed to net IBNR reserves for the six months ended June 30, 2021 and $1.1 million attributed to net case reserves and $1.3 million attributed to net IBNR reserves for the six months ended June 30, 2020.2021.
42



The "claims incurred" section of the table above shows claims and claim (benefits) expenses incurred on defaults occurring in current and prior years, including IBNR reserves and is presented net of reinsurance. We may increase or decrease our claim estimates and reserves as we learn additional information about individual defaulted loans, and continue to observe and analyze loss development trends in our portfolio. Gross reserves of $81.8$74.9 million related to prior year defaults remained as of June 30, 2021.
45


2022.
The following table provides a reconciliation of the beginning and ending count of loans in default.default:
For the three months endedFor the six months endedFor the three months endedFor the six months ended
June 30, 2021June 30, 2020June 30, 2021June 30, 2020June 30, 2022June 30, 2021June 30, 2022June 30, 2021
Beginning default inventoryBeginning default inventory11,090 1,449 12,209 1,448 Beginning default inventory5,238 11,090 6,227 12,209 
Plus: new defaultsPlus: new defaults1,095 9,770 2,862 10,282 Plus: new defaults1,069 1,095 2,232 2,862 
Less: curesLess: cures(3,402)(353)(6,270)(828)Less: cures(2,011)(3,402)(4,143)(6,270)
Less: claims paidLess: claims paid(19)(49)(35)(83)Less: claims paid(24)(19)(43)(35)
Less: claims denied— (1)(2)(3)
Less: rescission and claims deniedLess: rescission and claims denied(1)— (2)(2)
Ending default inventoryEnding default inventory8,764 10,816 8,764 10,816 Ending default inventory4,271 8,764 4,271 8,764 
Ending default inventory declined from June 30, 20202021 to June 30, 20212022 as an increased number of borrowers initially impacted by the COVID-19 pandemic cured their delinquencies, and fewer new defaults emerged as the acute economic stress of the pandemic crisis begancontinued to recede. While our default population declined from June 30, 20202021 to June 30, 2021,2022, our default inventory remains elevated compared to historical experience due to the continued challenges certain borrowers are facing related to the COVID-19 outbreakpandemic and their decision to access the forbearance program for federally backed loans codified under the Coronavirus Aid, Relief and Economic Security (CARES)CARES Act or similar programs made available by private lenders. As of June 30, 2021, 7,8222022, 2,400 of our 8,7644,271 defaulted loans were in a COVID-19 related forbearance program.

The following table provides details of our claims paid, before giving effect to claims ceded under the QSR Transactions and ILN Transactions, for the periods indicated.indicated:
For the three months endedFor the six months endedFor the three months endedFor the six months ended
June 30, 2021June 30, 2020June 30, 2021June 30, 2020June 30, 2022June 30, 2021June 30, 2022June 30, 2021
($ In Thousands)($ In Thousands)
Number of claims paid (1)
Number of claims paid (1)
19 49 35 83 
Number of claims paid (1)
24 19 43 35 
Total amount paid for claimsTotal amount paid for claims$702 $2,578 $1,308 $4,081 Total amount paid for claims$471 $702 $873 $1,308 
Average amount paid per claim
Average amount paid per claim
$37 $53 $37 $49 
Average amount paid per claim
$20 $37 $20 $37 
Severity (2)
Severity (2)
66 %89 %64 %87 %
Severity (2)
46 %66 %43 %64 %
(1)    Count includes three10 and four16 claims settled without payment during the three and six months ended June 30, 2021,2022, respectively, and onethree and twofour claims settled without payment during the three and six months ended 2020,June 30, 2021, respectively.
(2)    Severity represents the total amount of claims paid including claim expenses divided by the related RIF on the loan at the time the claim is perfected, and is calculated including claims settled without payment.

The number ofWe paid 24 and 43 claims paidduring the three and six months ended June 30, 2022, respectively, and 19 and 35 claims during the three and six months ended June 30, 2021, decreased comparedrespectively. The number of claims paid was modest relative to the three and six months ended June 30, 2020, despite the growth and seasoningsize of our insured portfolio and elevated levelnumber of defaults (compareddefaulted loans we reported in each period, primarily due to pre-COVID historical experience), primarily as a result of the forbearance program and foreclosure moratorium implemented by the GSEs in response to the COVID outbreakCOVID-19 pandemic and codified under the CARES Act.Such forbearance and foreclosure programs have extended, and may ultimately interrupt, the timeline over which loans would otherwise progress through the default cycle to a paid claim. Our claims paid experience for the three and six months ended June 30, 2022 and 2021, further benefited from the resiliency of the housing market and broad national house price appreciation. An increase in the value of the homes collateralizing the mortgages we insure provides defaulted borrowers with alternative paths and incentives to cure their loan prior to the development of a claim.

Our claims severity for the three and six months ended June 30, 20212022 was46% and 43%, respectively, compared to 66% and 64%, respectively, compared to 89% and 87% for the three and six months ended June 30, 2020,2021, respectively. Claims severity for the three and six months ended June 30, 2022 and 2021 benefited from the same resiliency of the housing market and broad national house price appreciation.appreciation as
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our claims paid. An increase in the value of the homes collateralizing the mortgages we insure provides additional equity support to our risk exposure and raises the prospect of a third-party sale of a foreclosed property, which can mitigate the severity of our settled claims.
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The following table provides detail on our average reserve per default, before giving effect to reserves ceded under the QSR Transactions, as of the dates indicated.indicated:
Average reserve per default:Average reserve per default:As of June 30, 2021As of June 30, 2020Average reserve per default:As of June 30, 2022As of June 30, 2021
(In Thousands)(In Thousands)
Case (1)
Case (1)
$10.6 $5.6 
Case (1)
$21.3 $10.6 
IBNR (1)(2)
IBNR (1)(2)
1.0 0.9 
IBNR (1)(2)
1.8 1.0 
TotalTotal$11.6 $6.5 Total$23.1 $11.6 
(1)    Defined as the gross reserve per insured loan in default.
(2)    Amount includes claims adjustment expenses.
Average reserve per default increased from June 30, 20202021 to June 30, 2021,2022 primarily due to the “aging” of early COVID-related defaults. While we have generally established lower reserves for defaults that we consider to be connected to the COVID-19 outbreakpandemic given our expectation that forbearance, repayment and modification, and other assistance programs will aid affected borrowers and drive higher cure rates on such defaults than we would otherwise expect to experience on similarly situated loans that did not benefit from broad-based assistance programs, we have generally increased such reserves over time as individual defaults remain outstanding or “age.”The growth in our Our average reserve per default at June 30, 2022 also reflects an incrementally conservative set of assumptions about future macroeconomic and housing market conditions compared to those assumed at June 30, 2021.
While average reserve per default increased from June 30, 20202021 to June 30, 2021 far exceeded the growth in2022, our aggregate gross reserve position declined in the intervening period asdue to the impact of the increase in our average reserve per default was largely offset by thesignificant decline in our total default inventory.
GSE Oversight
As an approved insurer, NMIC is subject to ongoing compliance with the PMIERs established by each of the GSEs (italicized terms have the same meaning that such terms have in the PMIERs, as described below). The PMIERs establish operational, business, remedial and financial requirements applicable to approved insurers. The PMIERs financial requirements prescribe a risk-based methodology whereby the amount of assets required to be held against each insured loan is determined based on certain loan-level risk characteristics, such as FICO, vintage (year of origination), performing vs. non-performing (i.e., current vs. delinquent), LTV ratio and other risk features. In general, higher quality loans carry lower asset charges.
Under the PMIERs, approved insurers must maintain available assets that equal or exceed minimum required assets, which is an amount equal to the greater of (i) $400 million or (ii) a total risk-based required asset amount. The risk-based required asset amount is a function of the risk profile of an approved insurer's RIF, assessed on a loan-by-loan basis and considered against certain risk-based factors derived from tables set out in the PMIERs, which is then adjusted on an aggregate basis for reinsurance transactions approved by the GSEs, such as with respect to our ILN Transactions and QSR Transactions. The aggregate gross risk-based required asset amount for performing, primary insurance is subject to a floor of 5.6% of performing primary adjusted RIF, and the risk-based required asset amount for pool insurance considers both factors in the PMIERs tables and the net remaining stop loss for each pool insurance policy.
By April 15th of each year, NMIC must certify it met all PMIERs requirements as of December 31st of the prior year. We certified to the GSEs by April 15, 20212022 that NMIC was in full compliance with the PMIERs as of December 31, 2020.2021. NMIC also has an ongoing obligation to immediately notify the GSEs in writing upon discovery of a failure to meet one or more of the PMIERs requirements. We continuously monitor NMIC's compliance with the PMIERs.
The following table provides a comparison of the PMIERs available assets and risk-based required asset amount as reported by NMIC as of the dates indicated.indicated:
As of
June 30, 2021June 30, 2020
(In Thousands)
Available assets$1,886,993 $1,656,426 
Risk-based required assets1,170,854 1,047,619 
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As of
June 30, 2022June 30, 2021
(In Thousands)
Available assets$2,169,388 $1,886,993 
Risk-based required assets1,240,143 1,170,854 

Available assets were $2.2 billion at June 30, 2022, compared to $1.9 billion at June 30, 2021, compared to $1.7 billion at June 30, 2020.2021. The $231$282 million increase in available assets between the dates presented was primarily driven by NMIC's positive cash flow from operations during the intervening period.period, partially offset by the ordinary course dividend paid by NMIC to NMIH in April 2022 and the extraordinary dividend paid by Re One to NMIH following the termination and commutation of the reinsurance agreement between NMIC and Re One in December 2021.
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The increase in the risk-based required asset amount between the dates presented was primarily due to the growth of our gross RIF, partiallylargely offset by an increase in the risk ceded under our third-party reinsurance agreements.
Competition
The MI industry is highly competitive and currently consists of six private mortgage insurers, including NMIC, as well as government MIs such as the FHA, USDA or VA. Private MI companies compete based on service, customer relationships, underwriting and other factors, including price, credit risk tolerance and IT capabilities. We expect the private MI market to remain competitive, with pressure for industry participants to maintain or grow their market share.
The private MI industry overall competes more broadly with government MIs who significantly increased their share in the MI market following the 2008 Financial Crisis. Although there has been broad policy consensus toward the need for increasing private capital participation and decreasing government exposure to credit risk in the U.S. housing finance system, it remains difficult to predict whether the combined market share of government MIs will recede to pre-2008 levels. A range of factors influence a lender's and borrower's decision to choose private over government MI, including among others, premium rates and other charges, loan eligibility requirements, the cancelability of private coverage, loan size limits and the relative ease of use of private MI products compared to government MI alternatives.
LIBOR Transition
On March 5, 2021, ICE Benchmark Administration Limited (“IBA”), the administrator for LIBOR, confirmed it would permanently cease the publication of overnight, one-month, three-month, six-month and twelve-month USD LIBOR settings in their current form after June 30, 2023. The U.K. Financial Conduct Authority, ("FCA"), the regulator of IBA, announced on the same day that it intends to stop requiring panel banks to continue to submit to LIBOR and all USD LIBOR settings in their current form will either cease to be provided by any administrator or no longer be representative after June 30, 2023. We have exposure to USD LIBOR-based financial instruments, such as LIBOR-based securities held in our investment portfolio and our 2020 Revolving Credit Facility and certain ILN Transactions that require LIBOR-based payments. We are in the process of reviewing our LIBOR-based contracts and transitioning, as necessary and applicable, to a set of alternative reference rates. We will continue to monitor, assess and plan for the phase out of LIBOR; however, we cannot currently estimatedo not expect the impact of such transition will have onto be material to our operations or financial results.

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Consolidated Results of Operations
Consolidated statements of operationsConsolidated statements of operationsThree months endedSix months endedConsolidated statements of operationsThree months endedSix months ended
June 30, 2021June 30, 2020June 30, 2021June 30, 2020June 30, 2022June 30, 2021June 30, 2022June 30, 2021
RevenuesRevenues($ in thousands, except for per share data)Revenues($ in thousands, except for per share data)
Net premiums earnedNet premiums earned$110,888 $98,944 $216,767 $197,661 Net premiums earned$120,870 $110,888 $237,365 $216,767 
Net investment incomeNet investment income9,382 7,070 18,196 15,174 Net investment income10,921 9,382 21,120 18,196 
Net realized investment gainsNet realized investment gains12 711 12 639 Net realized investment gains53 12 461 12 
Other revenuesOther revenues483 1,223 984 2,123 Other revenues376 483 715 984 
Total revenuesTotal revenues120,765 107,948 235,959 215,597 Total revenues132,220 120,765 259,661 235,959 
ExpensesExpensesExpenses
Insurance claims and claim expenses4,640 34,334 9,602 40,031 
Insurance claims and claim (benefits) expensesInsurance claims and claim (benefits) expenses(3,036)4,640 (3,655)9,602 
Underwriting and operating expensesUnderwriting and operating expenses34,725 30,370 68,790 62,647 Underwriting and operating expenses30,700 34,725 63,635 68,790 
Service expensesService expenses481 1,090 1,072 1,824 Service expenses336 481 766 1,072 
Interest expenseInterest expense7,922 5,941 15,837 8,685 Interest expense8,051 7,922 16,092 15,837 
(Gain) loss from change in fair value of warrant liability(658)1,236 (453)(4,723)
Gain from change in fair value of warrant liabilityGain from change in fair value of warrant liability(1,020)(658)(1,113)(453)
Total expensesTotal expenses47,110 72,971 94,848 108,464 Total expenses35,031 47,110 75,725 94,848 
Income before income taxesIncome before income taxes73,655 34,977 141,111 107,133 Income before income taxes97,189 73,655 183,936 141,111 
Income tax expenseIncome tax expense16,133 8,129 30,697 22,014 Income tax expense21,745 16,133 40,812 30,697 
Net incomeNet income$57,522 $26,848 $110,414 $85,119 Net income$75,444 $57,522 $143,124 $110,414 
Earnings per share - BasicEarnings per share - Basic$0.67 $0.36 $1.29 $1.20 Earnings per share - Basic$0.88 $0.67 $1.67 $1.29 
Earnings per share - DilutedEarnings per share - Diluted$0.65 $0.36 (2)$1.27 (2)$1.11 Earnings per share - Diluted$0.86 $0.65 $1.63 $1.27 
Loss ratio(1)
Loss ratio(1)
4.2 %34.7 %4.4 %20.3 %
Loss ratio(1)
(2.5)%4.2 %(1.5)%4.4 %
Expense ratio(2)
Expense ratio(2)
31.3 %30.7 %31.7 %31.7 %
Expense ratio(2)
25.4 %31.3 %26.8 %31.7 %
Combined ratio (3)
Combined ratio (3)
35.5 %65.4 %36.2 %51.9 %
Combined ratio (3)
22.9 %35.5 %25.3 %36.2 %
Three months endedSix months endedThree months endedSix months ended
Non-GAAP financial measures (4)
Non-GAAP financial measures (4)
June 30, 2021June 30, 2020June 30, 2021June 30, 2020
Non-GAAP financial measures (4)
June 30, 2022June 30, 2021June 30, 2022June 30, 2021
($ in thousands, except for per share data)($ in thousands, except for per share data)
Adjusted income before taxAdjusted income before tax$74,600 $38,292 $142,639 $105,035 Adjusted income before tax$96,061 $74,600 $182,567 $142,639 
Adjusted net incomeAdjusted net income58,130 29,726 111,526 82,470 Adjusted net income74,339 58,130 141,809 111,526 
Adjusted diluted EPSAdjusted diluted EPS0.670.401.291.14Adjusted diluted EPS0.860.671.631.29
(1)    Loss ratio is calculated by dividing insurance claims and claim (benefits) expenses by net premiums earned.
(2)    Expense ratio is calculated by dividing underwriting and operating expenses by net premiums earned.
(3)     Combined ratio may not foot due to roundingrounding.
(4)    See "Explanation and Reconciliation of Our Use of Non-GAAP Financial Measures," below.
Revenues
Net premiums earned were $120.9 million and $237.4 million for the three and six months ended June 30, 2022, respectively, compared to $110.9 million and $216.8 million for the three and six months ended June 30, 2021, respectively, compared to $98.9 million and $197.7 million for the three and six months ended June 30, 2020, respectively. The year-on-year increase in net premiums earned in each respective period was primarily driven by the growth of our IIF, partially offset by an increase in cessions made under our QSR and ILN Transactions, and a decline in the contribution from single premium policy cancellations.cancellations and an increase in total premiums ceded under our reinsurance transactions.
Net investment income was $10.9 million and $21.1 million for the three and six months ended June 30, 2022, respectively, compared to $9.4 million and $18.2 million for the three and six months ended June 30, 2021, respectively. The
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respectively, compared to $7.1 million and $15.2 million for the three and six months ended June 30, 2020, respectively. The year-on-year increase in net investment income in each respective period was primarily driven by growth in the size of our total investment portfolio, partially offset by a decline in book yield tied to the prevailing interest rate and credit spread environment.portfolio.
Other revenues were $483 thousand$0.4 million and $0.7 million for the three and six months ended June 30, 2022, respectively, compared to $0.5 million and $1.0 million for the three and six months ended June 30, 2021, respectively, compared to $1.2 million and $2.1 million for the three and six months ended June 30, 2020, respectively. Other revenues represent underwriting fee revenue generated by our subsidiary, NMIS, which provides outsourced loan review services to mortgage loan originators. The year-on-year decline in other revenues in each respective period relates to a decrease in NMIS' outsourced loan review volume. Amounts recognized in other revenues generally correspond with amounts incurred as service expenses for outsourced loan review activities in the same periods.
Expenses
We recognize insurance claims and claim expenses in connection with the loss experience of our insured portfolio and incur other underwriting and operating expenses, including employee compensation and benefits, policy acquisition costs, and technology, professional services and facilities expenses, in connection with the development and operation of our business. We also incur service expenses in connection with NMIS' outsourced loan review activities.
Insurance claims and claim expenses were a benefit of $3.0 million and $3.7 million for the three and six months ended June 30, 2022, respectively, compared to insurance claims and claim expenses of $4.6 million and $9.6 million for the three and six months ended June 30, 2021, respectively, compared to $34.3 millionrespectively. Insurance claims and $40.0 million forclaim expenses during the three and six months ended June 30, 2020, respectively. The year-on-year decline2022 benefited from cure activity and the associated release of a portion of the reserves we established for anticipated claims payments in insurance claimsprior periods, and claim expenses in each respective period primarily reflects a significant decrease in the number of new defaults emerging on loans impacted by the COVID-19 outbreak. Insurance claimspandemic.
Underwriting and claimoperating expenses duringwere $30.7 million and $63.6 million for the three and six months ended June 30, 2021 also benefited from cure activity and a release of reserves previously held against certain loans that defaulted prior2022, respectively, compared to the onset of the COVID pandemic.
Underwriting and operating expenses were $34.7 million and $68.8 million for the three and six months ended June 30, 2021, respectively, comparedrespectively. The year-on-year decline in underwriting and operating expenses in each respective period was primarily due to $30.4a decrease in the amortization of deferred policy acquisition costs tied to the increased persistency of our IIF, a step-down in technology costs related to our agreement with Tata Consultancy Services and a decline in capital markets transaction costs, partially offset by an increase in travel and entertainment expenses tied to the easing of COVID-19 related restrictions, as well as an increase in depreciation and amortization incurred in connection with the completion and implementation of certain software and equipment initiatives.
Service expenses were $0.3 million and $62.6$0.8 million for the three and six months ended June 30, 2020. The year-on-year increase in underwriting and operating expenses in each respective period primarily relates2022, respectively, compared to the recognition of previously deferred policy acquisition costs taken in connection with in-force portfolio run-off, partially offset by reductions in payroll, travel and entertainment, and office administrative expenses as a result of the COVID-19 outbreak. Underwriting and operating expenses included capital market reinsurance transaction costs of $1.6$0.5 million and $2.0 million, respectively, for the three months and six months ended June 30, 2021, and $2.8 million and $3.3 million, respectively, for the three and six months ended June 30, 2020.
Service expenses were $481 thousand and $1.1 million for the three and six months ended June 30, 2021, respectively, compared to $1.1 million and $1.8 million for the three and six months ended June 30, 2020, respectively. Service expenses represent third-party costs incurred by NMIS in connection with the services it provides. The year-on-year decline in service expenses in each respective period was driven by a decrease in NMIS' outsourced loan review volume. Amounts incurred as service expenses generally correspond with amounts recognized in other revenues in the same periods.
Interest expense was $8.1 million and $16.1 million for the three and six months ended June 30, 2022, respectively, compared to $7.9 million and $15.8 million for the three and six months ended June 30, 2021, respectively, compared to $5.9 million and $8.7 million forrespectively. Interest expense primarily reflects the three and six months ended June 30, 2020, respectively.carrying costs of the Notes. The year-on-year increase in interest expense in each respective period isperiod-to-period was due to an increase in commitment fees associated with the increased amount and cost of our outstanding debt following the issuance of the $4002021 Revolving Credit Facility which had extended its borrowing capacity from $110 million Notes and retirement of the $150to $250 million 2018 Term Loan in June 2020.November 2021. See Item 1, "Financial Statements - Notes to Condensed Consolidated Financial Statements - Note 4, Debt."
Income tax expense was $21.7 million and $40.8 million for the three and six months ended June 30, 2022, respectively, compared to $16.1 million and $30.7 million for the three and six months ended June 30, 2021, respectively, compared to $8.1 million and $22.0 million for the three and six months ended June 30, 2020, respectively. The year-on-year increase in income tax expense in each respective period was primarily driven by growth in our pre-tax income. Our effective tax rate on pre-tax income was 22.4% and 22.2% for the three and six months ended June 30, 2022, respectively, compared to 21.9% and 21.8% for the three and six months ended June 30, 2021, respectively, compared to 23.2% and 20.5% for the three and six months ended June 30, 2020,2022, respectively. As a U.S. taxpayer, we are subject to a statutory U.S. federal corporate income tax rate of 21%. Our provision for income taxes for interim periods is established based on our estimated annual effective tax rate for a given year and reflects the impact of discrete tax effects in the period in which they occur. Our effective tax rates for the three and six months ended June 30, 20212022 and 20202021 reflect the discrete tax effects of the vesting of RSUs and exercise of options, and the change in fair value of our warrant liability in each period. See Item 1, ""Financial Statements - Notes to Condensed Consolidated Financial Statements - Note 9, Income Taxes."

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Net Income
Net income was $75.4 million and $143.1 million for the three and six months ended June 30, 2022, respectively, compared to $57.5 million and $110.4 million for the three and six months ended June 30, 2021, respectively, compared to $26.8respectively. Adjusted net income was $74.3 million and $85.1$141.8 million for the three and six months ended June 30, 2020, respectively. Adjusted net income was2022, respectively, compared to $58.1 million and $111.5 million for the three and six months ended June 30, 2021, respectively, compared to $29.7 million and $82.5 million for the three and six months ended June 30, 2020, respectively. The year-on-year increases in net income and adjusted net income in each respective period were primarily driven by growth in our total revenues, and decreaseas well as declines in our insurance claims and claim expenses and underwriting and operating expenses, partially offset by an increase in our interest expense, underwriting and operating expenses and income tax expense.
Diluted EPS was $0.86 and $1.63 for the three and six months ended June 30, 2022, respectively, compared to $0.65 and $1.27 for the three and six months ended June 30, 2021, respectively, compared to $0.36respectively. Adjusted diluted EPS was $0.86 and $1.11$1.63 for the three and six months ended June 30, 2020, respectively. Adjusted diluted EPS was2022, respectively, compared to $0.67 and $1.29 for the three and six months ended June 30, 2021, respectively, compared to $0.40 and $1.14 for the three and six months ended June 30, 2020, respectively. Diluted and adjusted diluted EPS increased primarily due to growth in net income and adjusted net income, respectively, partially offset by an increase in weighted average diluted shares outstanding in connection with the issuance of 15.9 million shares of common stock we completed in June 2020, and, to a lesser extent, stock awards made under our share-based compensation plans.income.
The non-GAAP financial measures adjusted income before tax, adjusted net income and adjusted diluted EPS are presented to enhance the comparability of financial results between periods.
Non-GAAP Financial Measure ReconciliationsNon-GAAP Financial Measure ReconciliationsFor the three months ended June 30,For the six months ended June 30,Non-GAAP Financial Measure ReconciliationsFor the three months ended June 30,For the six months ended June 30,
20212020202120202022202120222021
As reportedAs reported($ in thousands, except for per share data)As reported($ in thousands, except for per share data)
Income before income taxesIncome before income taxes$73,655 $34,977 $141,111 $107,133 Income before income taxes$97,189 $73,655 $183,936 $141,111 
Income tax expenseIncome tax expense16,133 8,129 30,697 22,014 Income tax expense21,745 16,133 40,812 30,697 
Net incomeNet income$57,522 $26,848 $110,414 $85,119 Net income$75,444 $57,522 $143,124 $110,414 
AdjustmentsAdjustmentsAdjustments
Net realized investment gain(12)(711)(12)(639)
(Gain) loss from change in fair value warrant liability(658)1,236 (453)(4,723)
Net realized investment gainsNet realized investment gains(53)(12)(461)(12)
Gain from change in fair value warrant liabilityGain from change in fair value warrant liability(1,020)(658)(1,113)(453)
Capital market transaction costsCapital market transaction costs1,615 2,790 1,993 3,264 Capital market transaction costs(55)1,615 205 1,993 
Other infrequent, unusual or non-operating itemsOther infrequent, unusual or non-operating items— — — — 
Adjusted income before taxAdjusted income before tax74,600 38,292 142,639 105,035 Adjusted income before tax96,061 74,600 182,567 142,639 
Income tax expense on adjustments337 437 416 551 
Income tax (benefit) expense on adjustmentsIncome tax (benefit) expense on adjustments(23)337 (54)416 
Adjusted net incomeAdjusted net income$58,130 $29,726 $111,526 $82,470 Adjusted net income$74,339 $58,130 $141,809 $111,526 
Weighted average diluted shares outstandingWeighted average diluted shares outstanding86,819 74,174 86,729 72,407 Weighted average diluted shares outstanding86,577 86,819 86,943 86,729 
Adjusted diluted EPSAdjusted diluted EPS$0.67 $0.40 $1.29 $1.14 Adjusted diluted EPS$0.86 $0.67 $1.63 $1.29 
Explanation and Reconciliation of Our Use of Non-GAAP Financial Measures
We believe the use of the non-GAAP measures of adjusted income before tax, adjusted net income and adjusted diluted EPS enhances the comparability of our fundamental financial performance between periods, and provides relevant information to investors. These non-GAAP financial measures align with the way the company's business performance is evaluated by management. These measures are not prepared in accordance with GAAP and should not be viewed as alternatives to GAAP measures of performance. These measures have been presented to increase transparency and enhance the comparability of our fundamental operating trends across periods. Other companies may calculate these measures differently; their measures may not be comparable to those we calculate and present.
Adjusted income before tax is defined as GAAP income before tax, excluding the pre-tax effects of the gain or loss related to the change in fair value of our warrant liability, periodic costs incurred in connection with capital markets transactions,
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net realized gains or losses from our investment portfolio, and discrete, non-recurring andother infrequent, unusual or non-operating items in the periods in which such items are incurred.
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Adjusted net income is defined as GAAP net income, excluding the after-tax effects of the gain or loss related to the change in fair value of our warrant liability, periodic costs incurred in connection with capital markets transactions, net realized gains or losses from our investment portfolio, and discrete, non-recurring andother infrequent, unusual or non-operating items in the periods in which such items are incurred. Adjustments to components of pre-tax income are tax effected using the applicable federal statutory tax rate for the respective periods.
Adjusted diluted EPS is defined as adjusted net income divided by adjusted weighted average diluted shares outstanding. Adjusted weighted average diluted shares outstanding is defined as weighted average diluted shares outstanding, adjusted for changes in the dilutive effect of non-vested shares that would otherwise have occurred had GAAP net income been calculated in accordance with adjusted net income. There will be no adjustment to weighted average diluted shares outstanding in the years that non-vested shares are anti-dilutive under GAAP.
Although adjusted income before tax, adjusted net income and adjusted diluted EPS exclude certain items that have occurred in the past and are expected to occur in the future, the excluded items: (1) are not viewed as part of the operating performance of our primary activities; or (2) are impacted by market, economic or regulatory factors and are not necessarily indicative of operating trends, or both. These adjustments, and the reasons for their treatment, are described below.
Change in fair value of warrant liability. Outstanding warrants at the end of each reporting period are revalued, and any change in fair value is reported in the statement of operations in the period in which the change occurred. The change in fair value of our warrant liability can vary significantly across periods and is influenced principally by equity market and general economic factors that do not impact or reflect our current period operating results. Furthermore, all unexercised warrants expired in April 2022 and, as such, no change in fair value will be recognized in future reporting periods. We believe trends in our operating performance can be more clearly identified by excluding fluctuations related to the change in fair value of our warrant liability.
Capital markets transaction costs. Capital markets transaction costs result from activities that are undertaken to improve our debt profile or enhance our capital position through activities such as debt refinancing and capital markets reinsurance transactions that may vary in their size and timing due to factors such as market opportunities, tax and capital profile, and overall market cycles.
Net realized investment gains and losses. The recognition of the net realized investment gains or losses can vary significantly across periods as the timing is highly discretionary and is influenced by factors such as market opportunities, tax and capital profile, and overall market cycles that do not reflect our current period operating results.
InfrequentOther infrequent, unusual or unusual non-operating items. Items that are the result of unforeseen or uncommon events, which occur separately from operating earnings and are not expected to recur with frequency in the future. Identification and exclusion of these items provides clarity about the impact special or rare occurrences may have on our current financial performance. Past adjustments under this category include infrequent, unusual or non-operating adjustments related to severance, restricted stock modification and other expenses incurred in connection with the CEO transition announced in September 2021 and the effects of the release of the valuation allowance recorded against our net federal and certain state net deferred tax assets in 2016 and the re-measurement of our net deferred tax assets in connection with tax reform in 2017. We believe such items are infrequent or non-recurring in nature, and are not partindicative of the performance of, or ongoing trends in, our primary operating activities and do not reflect our current period operating results.or business.

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Consolidated balance sheetsJune 30, 2021December 31, 2020
(In Thousands)
Total investment portfolio$1,994,280 $1,804,286 
Cash and cash equivalents68,080 126,937 
Premiums receivable55,939 49,779 
Deferred policy acquisition costs, net62,137 62,225 
Software and equipment, net31,443 29,665 
Prepaid reinsurance premiums3,831 6,190 
Reinsurance recoverable19,726 17,608 
Other assets70,442 69,976 
Total assets$2,305,878 $2,166,666 
Debt$393,949 $393,301 
Unearned premiums142,148 118,817 
Accounts payable and accrued expenses56,803 61,716 
Reserve for insurance claims and claim expenses101,235 90,567 
Reinsurance funds withheld6,904 8,653 
Warrant liability3,385 4,409 
Deferred tax liability, net136,273 112,586 
Other liabilities5,276 7,026 
Total liabilities845,973 797,075 
Total shareholders' equity1,459,905 1,369,591 
Total liabilities and shareholders' equity$2,305,878 $2,166,666 

Consolidated balance sheetsJune 30, 2022December 31, 2021
(In Thousands)
Total investment portfolio$2,019,420 $2,085,931 
Cash and cash equivalents72,398 76,646 
Premiums receivable63,708 60,358 
Deferred policy acquisition costs, net59,768 59,584 
Software and equipment, net32,071 32,047 
Prepaid reinsurance premiums1,711 2,393 
Reinsurance recoverable19,588 20,320 
Other assets123,624 113,302 
Total assets$2,392,288 $2,450,581 
Debt$395,323 $394,623 
Unearned premiums135,681 139,237 
Accounts payable and accrued expenses58,947 72,000 
Reserve for insurance claims and claim expenses98,462 103,551 
Reinsurance funds withheld4,489 5,601 
Warrant liability— 2,363 
Deferred tax liability, net161,658 164,175 
Other liabilities12,636 3,245 
Total liabilities867,196 884,795 
Total shareholders' equity1,525,092 1,565,786 
Total liabilities and shareholders' equity$2,392,288 $2,450,581 
Total cash and investments were $2.1 billion as of June 30, 2021,2022, compared to $1.9$2.2 billion as of December 31, 2020.2021. Cash and investments at June 30, 20212022 included $80.5$114.4 million held by NMIH. The increasedecrease in total cash and investments between the respective measurement dates reflects cash generated from operations, partially offset by a decreasean increase in the unrealized gain positionloss positions of our fixed income portfolio tied to the prevailing interest rate and credit spread environment.environment and share repurchases during the six months ended June 30, 2022, partially offset by cash generated from operations.
Premiums receivable was $55.9$63.7 million as of June 30, 2021,2022, compared to $49.8$60.4 million as December 31, 2020.2021. The increase was primarily driven by growth in our monthly premium policies in force, where premiums are generally paid one month in arrears.
Net deferred policy acquisition costs were $62.1$59.8 million as of June 30, 2021,2022, compared to $62.2$59.6 million as of December 31, 2020.2021. The decreaseincrease was primarily driven by the recognition of previously deferred policy acquisition costs taken in connection with in-force portfolio run-off, and was largely offset by the deferral of certain costs associated with the origination of new policies between the respective balance sheet dates.dates, largely offset by the recognition of previously deferred policy acquisition costs.
Prepaid reinsurance premiums were $3.8$1.7 million as of June 30, 2021,2022, compared to $6.2$2.4 million as of December 31, 2020.2021. Prepaid reinsurance premiums, which represent the unearned premiums on single premium policies ceded under the 2016 QSR Transaction, decreased due to the continued amortization of previously ceded unearned premiums.
Reinsurance recoverable was $19.7$19.6 million as of June 30, 2021,2022, compared to $17.6$20.3 million as of December 31, 2020.2021. The increasedecrease was driven by an increasea decrease in ceded losses recoverable associated with our QSR Transactions.
Other assets increased to $70.4$123.6 million as of June 30, 2021,2022, compared to $70.0$113.3 million as of December 31, 2020.2021. The increase was primarily driven by the recognition of incremental ROU assets in connection with the modification of the operating lease for our corporate headquarters in January 2022. Other assets included $46.4$89.2 million of tax and loss bonds held by the Company at both June 30, 20212022 and December 31, 2020.2021. See Item 1, "Financial Statements - Notes to Condensed Consolidated Financial Statements - Note 9, Income Taxes."
Unearned premiums were $142.1$135.7 million as of June 30, 2021,2022, compared to $118.8$139.2 million as of December 31, 2020.2021. The increasedecrease was driven by single premium policy originations during the six months ended June 30, 2021, partially offset by the cancellation of other single premium policies and the amortization of existing unearned premiums through earnings in accordance with the expiration of risk on related single premium policies.
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on related single premium policies and the cancellations of other single premium policies, partially offset by single premium policy originations during the six months ended June 30, 2022.
Accounts payable and accrued expenses were $56.8$58.9 million as of June 30, 2021,2022, compared to $61.7$72.0 million as of December 31, 2020.2021. The decrease was primarily driven by the payment of an unsettled trade payable related to the purchase of investment securities at year-end 2020 and the settlement of previously accrued compensation expenses, premium taxes and other contractual payables during the six months ended June 30, 2021,2022, partially offset by an increase in reinsurance premiums payable.payables associated with the 2022-1 XOL Transaction.
Reserve for insurance claims and claim expenses was $101.2$98.5 million as of June 30, 2021,2022, compared to $90.6$103.6 million as of December 31, 2020. Reserve2021. The decrease was primarily driven by a release of a portion of the reserves we established for insuranceanticipated claims payments in prior periods, cure activity, and claim expenses increased at June 30, 2021, despite a decline in the total size of our default population because ofpopulation. The decrease was partially offset by an increase in the average case reserve held against previously defaulted loans and the establishment of initial reserves on newly defaulted loans during the period.carried per default. While we have generally established lower reserves per default for loans that we consider to be impaired in connection with the COVIDCOVID-19 pandemic, we have increased the initial reserves held for such loans as they have aged in default status. The increase in the reserves for insurance claims and claim expenses at June 30, 2021 was partially offset by the release of prior year reserves tied to the curing of certain loans that had defaulted prior to the onset of the COVID pandemic. See "- Insurance Claims and Claim Expenses," above for further details.
Reinsurance funds withheld, which represents our ceded reinsurance premiums written, less our profit and ceding commission receivables related to the 2016 QSR Transaction was $6.9$4.5 million as of June 30, 2021,2022, compared to $8.7$5.6 million as of December 31, 2020.2021. The decrease relates to the continued decline in ceded premiums written on single premium policies, due to the end of the reinsurance coverage period for new business under the 2016 QSR Transaction at December 31, 2017. See Item 1, "Financial Statements - Notes to Condensed Consolidated Financial Statements - Note 5, Reinsurance."
All unexercised warrants expired at their contractual maturity in April 2022. No warrants or warrant liability remained at June 30, 2022. Warrant liability was $3.4 million at June 30, 2021, compared to $4.4$2.4 million at December 31, 2020. The decrease was driven by the exercise of outstanding warrants, and changes in the price of our common stock and other Black-Scholes model inputs between the respective measurement dates.2021. For further information regarding the valuation of our warrant liability and its impact on our results of operations and financial position, see Item 1, "Financial Statements - Notes to Condensed Consolidated Financial Statements - Note 3, Fair Value of Financial Instruments."
Net deferred tax liability was $136.3$161.7 million at June 30, 20212022, compared to $112.6$164.2 million at December 31, 2020.2021. The increasedecrease was primarily due to the increase in unrealized losses recorded in other comprehensive income, and was largely offset by an increase in the claimed deductibility of our statutory contingency reserve, partially offset by the change in unrealized gains recorded in other comprehensive income.reserve. For further information regarding income taxes and their impact on our results of operations and financial position, see Item 1, "Financial Statements - Notes to Condensed Consolidated Financial Statements - Note 9, Income Taxes.Taxes."
Other liabilities increased to $12.6 million as of June 30, 2022, compared to $3.2 million as of December 31, 2021. The increase was primarily driven by the recognition of an incremental lease liability in connection with the modification of the operating lease for our corporate headquarters in January 2022.
The following table summarizes our consolidated cash flows from operating, investing and financing activities.
Consolidated cash flowsFor the six months ended June 30,
20212020
Net cash provided by (used in):(In Thousands)
Operating activities$182,544 $127,355 
Investing activities(240,679)(114,306)
Financing activities(722)461,312 
Net (decrease) increase in cash and cash equivalents$(58,857)$474,361 
activities:
Consolidated cash flowsFor the six months ended June 30,
20222021
Net cash provided by (used in):(In Thousands)
Operating activities$173,834 $182,544 
Investing activities(147,756)(240,679)
Financing activities(30,326)(722)
Net decrease in cash and cash equivalents$(4,248)$(58,857)
Net cash provided by operating activities was $173.8 million for the six months ended June 30, 2022, compared to $182.5 million for the six months ended June 30, 2021, compared to $127.4 million for the six months ended June 30, 2020.2021. The increasedecrease in cash generated fromprovided by operating activities year-on-year was primarily driven by growtha decline in premiumspremium written with further increase tied to a declinereduction in claims paid from period-to-period.single premium policies written during the six months ended June 30, 2022.
Cash used in investing activities for the six months ended June 30, 20212022 and 20202021 reflects the purchase of fixed and short-term maturities with cash provided by operating and, as available, financing activities, and the reinvestment of coupon payments, maturities and sale proceeds within our investment portfolio.
Cash used in investingfinancing activities was $30.3 million for the six months ended June 30, 2020, further reflects the investment of net cash proceeds provided by financing activities.
Cash used in financing activities was2022, compared to $0.7 million for the six months ended June 30, 2021, compared to cash provided by financing activities of $461.3 million for the six months ended June 30, 2020.2021. Cash used in financing activities during the six months ended June 30, 20212022 primarily relates to taxes paid on the net share settlementrepurchase of equity awards for certain employees. Cash provided by financing activities for the six months ended June 30, 2020 primarily reflects $220.3 million net cash proceeds raised in connection with our 2020 equity offering and $245.9 million net cash proceeds raised in connection with our 2020 Notes offering.common stock.
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Liquidity and Capital Resources
NMIH serves as the holding company for our insurance subsidiaries and does not have any significant operations of its own. NMIH's principal liquidity demands include funds for (i) payment of certain corporate expenses; (ii) payment of certain reimbursable expenses of its insurance subsidiaries; (iii) payment of the interest related to the Notes and 20202021 Revolving Credit Facility; (iv) tax payments to the Internal Revenue Service; (v) capital support for its subsidiaries; (vi) repurchase of its common stock; and (vi)(vii) payment of dividends, if any, on its common stock. NMIH is not subject to any limitations on its ability to pay dividends except those generally applicable to corporations that are incorporated in Delaware. Delaware law provides that dividends are only payable out of a corporation's surplus or recent net profits (subject to certain limitations).
As of June 30, 2021,2022, NMIH had $80.5$114.4 million of cash and investments. NMIH's principal sourcesources of net cash isare dividends from its subsidiaries and investment income. NMIC paid a $34.9 million ordinary course dividend to NMIH in April 2022, representing its full ordinary course dividend capacity payable under Wisconsin law for the twelve-month period ending December 31, 2022. NMIH also has access to $110$250 million of undrawn revolving credit capacity under the 20202021 Revolving Credit Facility. See Item 1, "Financial Statements - Notes to Condensed Consolidated Financial Statements - Note 4, Debt."Re One also has
On February 10, 2022, our Board of Directors approved a $125 million share repurchase program through December 31, 2023, that enables the capacity,company to repurchase its common stock. The authorization provides NMIH the flexibility to repurchase stock from time to time in the open market or in privately negotiated transactions, based on market and business conditions, stock price and other factors. During the six months ended June 30, 2022, NMIH repurchased 1.7 million shares of common stock pursuant to a trading plan under Wisconsin law, to pay $1.6Rule 10b-18 of the Exchange Act, at a total cost of $30.4 million, including associated costs. As of June 30, 2022, $94.6 million of aggregate ordinary dividends to NMIH duringrepurchase authority remained available under the twelve-month period ending December 31, 2021. In the future, NMIH may benefit from ordinary course dividend capacity available from NMIC as well.program.
NMIH has entered into tax and expense-sharing agreements with its subsidiaries which have been approved by the Wisconsin OCI, with such approvals subject to change or revocation at any time. Among such agreements, the Wisconsin OCI has approved the allocation of interest expense on the Notes and the 20202021 Revolving Credit Facility to NMIC to the extent proceeds from such offering and facility are distributed to NMIC or used to repay, redeem or otherwise defease amounts raised by NMIC under prior credit arrangements that have previously been distributed to NMIC.
The Notes mature on June 19, 2025June 1, 2025 and bear interest at a rate of 7.375%, payable semi-annually on June 1 and December 1. The 20202021 Revolving Credit Facility matures on the earlier of (x) November 29, 2025 or (y) if any existing senior secured notes remain outstanding on such date, February 22, 202328, 2025, and accrues interest at a variable rate equal to, at our discretion, (i) a base rateBase Rate (as defined in the 2021 Revolving Credit Agreement,Facility, subject to a floor of 1.00% per annum) plus a margin of 0.375% to 1.875% per annum or (ii) the EurodollarAdjusted Term Secured Overnight Financing Rate (subject to a floor of 0.00% per annum)(SOFR) (as defined in the 2021 Revolving Credit Facility) plus a margin of 1.375% to 2.875% per annum, with the margin in each caseof (i) or (ii) based on theour applicable corporate credit rating at the time. Borrowings under the 20202021 Revolving Credit Facility may be used for general corporate purposes, including to support the growth of our new business production and operations.
Under the 20202021 Revolving Credit Facility, NMIH is required to pay a quarterly commitment fee on the average daily undrawn amount of 0.175% to 0.525%, based on the applicable corporate credit rating at the time. As of June 30, 2021,2022, the applicable commitment fee was 0.35%. On July 21, 2022, Moody's upgraded its financial strength rating of NMIC from “Baa2” to “Baa1” and its rating of NMIH's Notes from “Ba2” to “Ba1”. As a result of the upgrade, the commitment fee due under the 2021 Revolving Credit Facility will be reduced to 0.30%.
We are subject to certain covenants under the 20202021 Revolving Credit Facility, (as defined in the Credit Agreement), includingincluding: a maximum debt-to-total capitalization ratio of 35%, a minimum liquidity requirement, a requirement to maintain compliance with the PMIERs financial requirements (subject to any GSE-approvedGSE approved waivers), and minimum consolidated net worth and statutory capital requirements (respectively, as defined therein). We were in compliance with all covenants as ofat June 30, 2021.2022.
NMIC and Re One are subject to certain capital and dividend rules and regulations prescribed by jurisdictions in which they are authorized to operate and the GSEs. Under Wisconsin law, NMIC and Re One may pay dividends up to specified levels (i.e., "ordinary" dividends) with 30 days' prior notice to the Wisconsin OCI. Dividends in larger amounts, or "extraordinary" dividends, are subject to the Wisconsin OCI's prior approval. Under Wisconsin insurance laws, an extraordinary dividend is defined as any payment or distribution that, together with other dividends and distributions made within the preceding twelve months, exceeds the lesser of (i) 10% of the insurer's statutory policyholders' surplus as of the preceding December 31 or (ii) adjusted statutory net income for the twelve-month period ending the preceding December 31. 31Re One has the capacity to pay $1.6. On April 1, 2022, NMIC paid a $34.9 million of aggregate ordinary dividends to NMIH during the twelve-month period ending December 31, 2021. NMIC reported a statutory net loss for the year ended December 31, 2020 and does not have the capacity to pay dividends to NMIH during the twelve-month period ended December 31, 2021 without prior approval from the Wisconsin OCI.Since inception, neither NMIC nor Re One have paid any dividendscourse dividend to NMIH.
As an approved insurer under PMIERs, NMIC would generally be subject to prior GSE approval of its ability to pay dividends to NMIH if it failed to meet the financial requirements prescribed by PMIERs. In response to the COVID-19 pandemic, the GSEs issued temporary PMIERs guidance, effective for the period from June 30, 2020 to June 30, 2021, that requires approved insurers to secure approval from the GSEs, even if the approved insurer otherwise satisfies the financial requirements prescribed by PMIERs, prior to taking any of the following actions: (i) pay dividends, make payments of principal or increase payments of interest beyond those commitments made prior to the guidance effective date associated with surplus notes issued by
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the approved insurer, make any other payments, unless related to expenses incurred in the normal course of business or to commitments made prior to the guidance effective date, or pledge or transfer asset(s) to any affiliate or investor, or (ii) enter into any new arrangements or alter any existing arrangements under tax sharing and intercompany expense-sharing agreements other than renewals and extensions of agreements in effect prior to the guidance effective date. On June 30, 2021, the GSEs updated the temporary PMIERs guidance to permit approved insurers topay dividends or undertake other actions described in (i) and (ii) above without securing prior approval if certain prescribed financial requirements are met during the period from July 1, 2021 to December 31, 2021.
NMIH may require liquidity to fund the capital needs of its insurance subsidiaries. NMIC's capital needs depend on many factors including its ability to successfully write new business, establish premium rates at levels sufficient to cover claims and operating costs, access the reinsurance markets and meet minimum required asset thresholds under the PMIERs and minimum state capital requirements (respectively, as defined therein).
As an approved mortgage insurer and Wisconsin-domiciled carrier, NMIC is required to satisfy financial and/or capitalization requirements stipulated by each of the GSEs and the Wisconsin OCI. The financial requirements stipulated by the GSEs are outlined in the PMIERs. Under the PMIERs, NMIC must maintain available assets that are equal to or exceed a minimum risk-based required asset amount, subject to a minimum floor of $400 million. At June 30, 2021, we2022, NMIC reported $1,887$2,169 million available assets against $1,171$1,240 million risk-based required assets, for a $716$929 million of "excess" funding position.
The risk-based required asset amount under PMIERs is determined at an individual policy-level based on the risk characteristics of each insured loan. Loans with higher risk factors, such as higher LTVs or lower borrower FICO scores, are assessed a higher charge. Non-performing loans that have missed two or more payments are generally assessed a significantly higher charge than performing loans, regardless of the underlying borrower or loan risk profile; however, special consideration is given under PMIERs to loans that are delinquent on homes located in an area declared by FEMA to be a Major Disaster zone eligible for Individual Assistance. In June 2020, the GSEs issued guidance (amended(which was subsequently amended and restated in each of September 2020, December 2020 and June 2021)restated) on the risk-based treatment of loans affected by the COVID-19 crisis.pandemic. Under the guidance, non-performing loans that are subject to a forbearance program granted in response to a financial hardship related to COVID-19 will benefit from a permanent 70% risk-based required asset haircut for the duration of the forbearance period and subsequent repayment plan or trial modification period.
NMIC's PMIERs minimum risk-based required asset amount is also adjusted for its reinsurance transactions (as approved by the GSEs). Under NMIC's quota share reinsurance treaties, it receives credit for the PMIERs risk-based required asset amount on ceded RIF. As its gross PMIERs risk-based required asset amount on ceded RIF increases, the PMIERS credit for ceded RIF automatically increases as well (in an unlimited amount). Under NMIC's ILN transactions,Transactions, it generally receives credit for the PMIERs risk-based required asset amount on ceded RIF to the extent such requirement is within the subordinated coverage (excess of loss detachment threshold) afforded by the transaction.
NMIC is also subject to state regulatory minimum capital requirements based on its RIF. Formulations of this minimum capital vary by state, however, the most common measure allows for a maximum ratio of RIF to statutory capital (commonly referred to as RTC) of 25:1. The RTC calculation does not assess a different charge or impose a different threshold RTC limit based on the underlying risk characteristics of the insured portfolio. Non-performing loans are treated the same as performing loans under the RTC framework. As such, the PMIERs generally imposes a stricter financial requirement than the state RTC standard.
As of June 30, 2021,2022, NMIC's performing primary RIF, net of reinsurance, was approximately $21.3$24.6 billion. NMIC ceded 100% of its pool RIF pursuant to the 2016 QSR Transaction. Based on NMIC's total statutory capital of $1.8$2.1 billion (including contingency reserves) as of June 30, 2021,2022, NMIC's RTC ratio was 12:111.9:1. Re One had total statutory capital of $37.7 million as of June 30, 2021has no risk in force remaining and no longer reports a RTC ratio of 1.9:1.ratio.
NMIC's principal sources of liquidity include (i) premium receipts on its insured portfolio and new business production, (ii) interest income on its investment portfolio and principal repayments on maturities therein, and (iii) existing cash and cash equivalent holdings. At June 30, 2021,2022, NMIC had $1.9$2.0 billion of cash and investments, including $48$50 million of cash and equivalents. NMIC's principal liquidity demands include funds for the payment of (i) reimbursable holding company expenses, (ii) premiums ceded under our reinsurance transactions (iii) claims payments, and (iv) taxes as due or otherwise deferred through the purchase of tax and loss bonds. NMIC's cash inflow is generally significantly in excess of its cash outflow in any given period. During the twelve-month period ended June 30, 2021,2022, NMIC generated $300$267 million of cash flow from operations and received an additional $150$109 million of cash flow on the maturity, sale and redemption of securities held in its investment portfolio. NMIC is not a party to any contracts (derivative or otherwise) that require it to post an increasing amount of collateral to any counterparty and NMIC's principal liquidity demands (other than claims payments) generally develop along a scheduled path (i.e.,
56


are of a contractually predetermined amount and due at a contractually predetermined date). NMIC's only use of cash that develops along an unscheduled path is claims payments. Given the breadth and duration of forbearance programs available to borrowers, separate foreclosure moratoriums that have been enacted at a local, state and federal level, and the general duration of the default to foreclosure to claim cycle, we do not expect NMIC to use a meaningful amount of cash to settle claims in the near-term.
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Debt and Financial Strength Ratings
NMIC's financial strength is rated "Baa2""Baa1" by Moody's and "BBB" by S&P.In June 2020, Moody's affirmed its financial strength rating of NMIC NMIH’s Notes are rated “Ba1” by Moody’s and its "Ba2" rating of NMIH's 2020 Revolving Credit Facility, and assigned a "Ba2" rating to the Notes. Moody's ratings outlook is stable.In June 2020, S&P assigned a "BB" rating to NMIH's senior secured Notes. In April 2021, S&P upgraded its outlook from negative to positive for the financial strength rating of NMIC's and NMIH's long-term counter-party credit profile.profile is rated “BB” by S&P. Moody's outlook for both its ratings is stable and S&P’s outlook for both its ratings is positive. For more information, see Item 1, "Financial Statements - Notes to Condensed Consolidated Financial Statements - Note 4, Debt."
Consolidated Investment Portfolio
The primary objectives of our investment activity are to preserve capital and generate investment income and preserve capital, while maintaining sufficient liquidity to cover our operating needs. We aim to achieve diversification by type, quality, maturity, and industry. We have adopted an investment policy that defines, among other things, eligible and ineligible investments; concentration limits for asset types, industry sectors, single issuers, and certain credit ratings; and benchmarks for asset duration.
Our investment portfolio is comprised entirely of fixed maturity instruments. As of June 30, 2021,2022, the fair value of our investment portfolio was $2.0 billion and we held an additional $68.1$72.4 million of cash and equivalents. Pre-tax book yield on the investment portfolio for the six months ended June 30, 20212022 was 2.0%. Book yield is calculated as period-to-date net investment income divided by the average amortized cost of the investment portfolio. The yield on our investment portfolio is likely to change over time based on movements in interest rates, credit spreads, the duration or mix of our holdings and other factors.
The following tables present a breakdown of our investment portfolio and cash and cash equivalents by investment type and credit rating:
Percentage of portfolio's fair valuePercentage of portfolio's fair valueJune 30, 2021December 31, 2020Percentage of portfolio's fair valueJune 30, 2022December 31, 2021
Corporate debt securitiesCorporate debt securities64 %63 %Corporate debt securities61 %64 %
Municipal debt securitiesMunicipal debt securities25 22 Municipal debt securities25 26 
Cash, cash equivalents, and short-term investmentsCash, cash equivalents, and short-term investments
Asset-backed securitiesAsset-backed securitiesAsset-backed securities
Cash, cash equivalents, and short-term investments
U.S. treasury securities and obligations of U.S. government agenciesU.S. treasury securities and obligations of U.S. government agenciesU.S. treasury securities and obligations of U.S. government agencies
TotalTotal100 %100 %Total100 %100 %
Investment portfolio ratings at fair value (1)
Investment portfolio ratings at fair value (1)
June 30, 2021December 31, 2020
Investment portfolio ratings at fair value (1)
June 30, 2022December 31, 2021
AAAAAA10 %12 %AAA15 %%
AA(2)
AA(2)
29 27 
AA(2)
27 28 
A(2)
A(2)
43 43 
A(2)
42 46 
BBB(2)
BBB(2)
18 18 
BBB(2)
16 17 
BB (3)
BB (3)
— — 
TotalTotal100 %100 %Total100 %100 %
(1)    Excluding certain operating cash accounts.
(2)    Includes +/– ratings.
(3)    We held one security with a BB+ rating at June 30, 2022, which is not identifiable in the table due to rounding.

All of our investments are rated by one or more nationally recognized statistical rating organizations. If three or more ratings are available, we assign the middle rating for classification purposes, otherwise we assign the lowest rating.
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Investment Securities - Allowance for credit losses
We did not recognize an allowance for credit loss for any security in the investment portfolio as of June 30, 20212022 or December 31, 2020,2021, and we did not record any provision for credit loss for investment securities during the three or six month periods ended June 30, 20212022 or June 30, 2020.2021.
As of June 30, 2022, the investment portfolio had gross unrealized losses of $199.4 million, of which $41.7 million had been in an unrealized loss position for a period of twelve-months or longer. As of December 31, 2021, the investment portfolio had gross unrealized losses of $9.0$23.2 million, none of which $6.5 million had been in an unrealized loss position for a period of twelve months or longer. As of December 31, 2020, the investment portfolio had gross unrealized losses of $512 thousand, of which $8 thousand had been in an unrealized loss position for a period of twelve months or longer.
The increase in the number of securities in and the aggregate size of the unrealized loss position as of June 30, 2021,2022, was primarily driven by interest rate movements following the purchase date of certain securities. We evaluated the securities in an unrealized loss position as of June 30, 2022, assessing their credit ratings as well as any adverse conditions specifically related to the security. Based on current factsupon our estimate of the amount and circumstances,timing of cash flows to be collected over the remaining life of each instrument, we believe the unrealized losses as of June 30, 20212022 are not indicative of the ultimate collectability of the current amortized cost of the securities.
Critical Accounting Estimates
We use accounting principles and methods that conform to GAAP. We are required to apply significant judgment and make material estimates in the preparation of our financial statements and with regard to various accounting, reporting and disclosure matters. Assumptions and estimates are required to apply these principles where actual measurement is not possible or practical. On an ongoing basis, we evaluate our estimates and assumptions. Our actual results may differ from these estimates under different assumptions or conditions.
We believe that the assumptions and estimates associated with revenue recognition, our investment portfolio, deferred policy acquisition costs, premium deficiency reserves, and reserves for insurance claims and claim expenses have the greatest potential impact on our consolidated financial statements. Therefore, we consider these to be our critical accounting estimates. There have not been any material changes to our critical accounting policies and estimates as compared to the critical accounting policies and estimates described in our 20202021 10-K.
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Item 3. Quantitative and Qualitative Disclosures About Market Risk
We own and manage a large investment portfolio of various holdings, types and maturities. NMIH's principal source of operating cash is investment income. The assets within the investment portfolio are exposed to the same factors that affect overall financial market performance.
We manage market risk via a defined investment policy implemented by our treasury function with oversight from our Board of Director'sBoard's Risk Committee. Important drivers of our market risk exposure monitored and managed by us include but are not limited to:
Changes to the level of interest rates. Increasing interest rates may reduce the value of certain fixed-rate bonds held in the investment portfolio. Higher rates may cause variable rate assets to generate additional income. Decreasing rates will have the reverse impact. Significant changes in interest rates can also affect persistency and claim rates of our insurance portfolio, and as a result we may determine that our investment portfolio needs to be restructured to better align it with future liabilities and claim payments. Such restructuring may cause investments to be liquidated when market conditions are adverse. Additionally, the changes in Eurodollar based interest rates affect the interest expense related to the Company's debt.
Changes to the term structure of interest rates. Rising or falling rates typically change by different amounts along the yield curve. These changes may have unforeseen impacts on the value of certain assets.
Market volatility/changes in the real or perceived credit quality of investments. Deterioration in the quality of investments, identified through changes to our own or third partythird-party (e.g., rating agency) assessments, will reduce the value and potentially the liquidity of investments.
Concentration Risk. If the investment portfolio is highly concentrated in one asset, or in multiple assets whose values are highly correlated, the value of the total portfolio may be greatly affected by the change in value of just one asset or a group of highly correlated assets.
Prepayment Risk. Bonds may have call provisions that permit debtors to repay prior to maturity when it is to their advantage. This typically occurs when rates fall below the interest rate of the debt.
The carrying value of our investment portfolio as of June 30, 20212022 and December 31, 20202021 was $2.0 billion and $1.8$2.1 billion, respectively, all of which 100% waswere invested in fixed maturity securities. The primary market risk to our investment portfolio is interest rate risk associated with investments in fixed maturity securities. We mitigate the market risk associated with our fixed maturity securities portfolio by matching the duration of our fixed maturity securities with the expected duration of the liabilities that those securities are intended to support.
As of June 30, 2021,2022, the duration of our fixed income portfolio, including cash and cash equivalents, was 5.054.30 years, which means that an instantaneous parallel shift (movement up or down) in the yield curve of 100 basis points would result in a change of 5.05%4.30% in fair value of our fixed income portfolio. Excluding cash, our fixed income portfolio duration was 5.094.36 years, which means that an instantaneous parallel shift (movement up or down) in the yield curve of 100 basis points would result in a change of 5.09%4.36% in fair value of our fixed income portfolio.
We are also subject to market risk related to the Notes and the ILN Transactions. As discussed in Item 1, "Financial Statements - Notes to Condensed Consolidated Financial Statements - Note 4, Debt" the Notes bear interest at a variable rate and, as a result, increases in market interest rates would generally result in increased interest expense on our outstanding principal.
The risk premium amounts under the ILN Transactions are calculated by multiplying the outstanding reinsurance coverage amount at the beginning of any payment period by a coupon rate, which is the sum of 1-monthone-month LIBOR or SOFR, as applicable, and a risk margin, and then subtracting actual investment income earned on the trust balance during that payment period. An increase in 1-monthone-month LIBOR ratesor SOFR, as applicable, would generally increase the risk premium payments, while an increase to money market rates, which directly affect investment income earned on the trust balance, would generally decrease them. Although we expect the two rates to move in tandem, to the extent they do not, it could increase or decrease the risk premium payments that otherwise would be due.
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Item 4. Controls and Procedures
Disclosure Controls and Procedures
We maintain disclosure controls and procedures designed to ensure that information required to be disclosed in the reports we file or submit under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the SEC's rules and forms, and that such information is accumulated and communicated to our management, including our Chief Executive Officer and Chief Financial Officer, as appropriate, to allow timely decisions regarding required disclosure.
Our management, including our Chief Executive Officer and Chief Financial Officer, conducted an evaluation of the effectiveness of our disclosure controls and procedures (as defined in Rule 13a-15(e) of the Exchange Act) as of June 30, 20212022, pursuant to Rule 13a-15(e) under the Exchange Act. Management applied its judgment in assessing the costs and benefits of such controls and procedures, which by their nature, can provide only reasonable assurance regarding management's control objectives. Management does not expect that our disclosure controls and procedures will prevent or detect all errors and fraud. A control system, irrespective of how well it is designed and operated, can only provide reasonable assurance and cannot guarantee that it will succeed in its stated objectives.
Based upon that evaluation, our Chief Executive Officer and Chief Financial Officer concluded that, as of June 30, 20212022, our disclosure controls and procedures were effective to provide reasonable assurance that the information required to be disclosed by us in the reports we file or submit under the Exchange Act is recorded, processed, summarized, and reported within the time periods specified in the SEC's rules and forms.
Internal Control Over Financial Reporting
There was no change in our internal control over financial reporting that occurred during the period covered by this report that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

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PART II
Item 1. Legal Proceedings
Certain lawsuits and claims arising in the ordinary course of business may be filed or pending against us or our affiliates from time to time. In accordance with applicable accounting guidance, we establish accruals for all lawsuits, claims and expected settlements when we believe it is probable that a loss has been incurred and the amount of the loss is reasonably estimable. When a loss contingency is not both probable and estimable, we do not establish an accrual. Any such loss estimates are inherently uncertain, based on currently available information and are subject to management's judgment and various assumptions. Due to the inherent subjectivity of these estimates and unpredictability of outcomes of legal proceedings, any amounts accrued may not represent the ultimate resolution of such matters.
To the extent we believe any potential loss relating to such lawsuits and claims may have a material impact on our liquidity, consolidated financial position, results of operations, and/or our business as a whole and is reasonably possible but not probable, we will disclose information relating to any such potential loss, whether in excess of any established accruals or where there is no established accrual. We will also disclose information relating to any material potential loss that is probable but not reasonably estimable. Where reasonably practicable, we will provide an estimate of loss or range of potential loss. No disclosures are generally made for any loss contingencies that are deemed to be remote.
Based upon information available to us and our review of lawsuits and claims filed or pending against us to date, we have not recognized a material accrual liability for these matters, nor do we currently expect it is reasonably possible that these matters will result in a material liability to the Company. However, the outcome of litigation and other legal and regulatory matters is inherently uncertain, and it is possible that one or more of such matters currently pending or threatened could have an unanticipated material adverse effect on our liquidity, consolidated financial position, results of operations, and/or our business as a whole, in the future.
Item 1A. Risk Factors
Risk factors that affect our business and financial results are discussed in Part I, Item 1A of our 20202021 10-K. As of the date of this report, we are not aware of any material changes in our risk factors from the risk factors disclosed in our 20202021 10-K. You should carefully consider the risks and uncertainties described herein and in our 20202021 10-K, which have the potential to affect our business, financial condition, results of operations, cash flows or prospects in a material and adverse manner. The risks described herein and in our 20202021 10-K are not the only risks we face, as there are additional risks and uncertainties not currently known to us or that we currently deem to be immaterial which may in the future adversely affect our business, financial condition and/or operating results.

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Item 6. Exhibits
Exhibit NumberDescription
2.1
Stock Purchase Agreement, dated November 30, 2011, between NMI Holdings, Inc. and MAC Financial Ltd. (incorporated herein by reference to Exhibit 2.1 to our Form S-1 Registration Statement (Registration No. 333-191635), filed on October 9, 2013)
2.2
Amendment to Stock Purchase Agreement, dated April 6, 2012, between NMI Holdings, Inc. and MAC Financial Ltd. (incorporated herein by reference to Exhibit 2.2 to our Form S-1 Registration Statement (Registration No. 333-191635), filed on October 9, 2013)
3.1
Second Amended and Restated Certificate of Incorporation (incorporated herein by reference to Exhibit 3.1 to our Form S-1 Registration Statement (Registration No. 333-191635), filed on October 9, 2013)
3.2
Third Amended and Restated By-Laws (incorporated herein by reference to Exhibit 3.1 to our Form 8-K, filed on December 9, 2014)
4.1
Specimen Class A common stock certificate (incorporated herein by reference to Exhibit 4.1 to our Form S-1 Registration Statement (Registration No. 333-191635), filed on October 9, 2013)
4.2
Registration Rights Agreement between NMI Holdings, Inc. and FBR Capital Markets & Co., dated April 24, 2012 (incorporated herein by reference to Exhibit 4.2 to our Form S-1 Registration Statement (Registration No. 333-191635), filed on October 9, 2013)
4.3
Registration Rights Agreement by and between MAC Financial Ltd. and NMI Holdings, Inc., dated April 24, 2012 (incorporated herein by reference to Exhibit 4.3 to our Form S-1 Registration Statement (Registration No. 333-191635), filed on October 9, 2013)
4.4
Registration Rights Agreement between FBR & Co., FBR Capital Markets LT, Inc., FBR Capital Markets & Co., FBR Capital Markets PT, Inc. and NMI Holdings, Inc., dated April 24, 2012 (incorporated herein by reference to Exhibit 4.4 to our Form S-1 Registration Statement (Registration No. 333-191635), filed on October 9, 2013)
4.5
Warrant No. 1 to Purchase Common Stock of NMI Holdings, Inc. issued to FBR Capital Markets & Co., dated June 13, 2013 (incorporated herein by reference to Exhibit 4.5 to our Form S-1 Registration Statement (Registration No. 333-191635), filed on October 9, 2013)
4.6
Form of Warrant to Purchase Common Stock of NMI Holdings, Inc. issued to former stockholders of MAC Financial Ltd. (incorporated herein by reference to Exhibit 4.6 to our Form S-1 Registration Statement (Registration No. 333-191635), filed on October 9, 2013)
4.7
10.1 ~
NMI Holdings Inc. 2012 Stock Incentive Plan (incorporated herein by reference to Exhibit 10.1 to our Form S-1 Registration Statement (registration No. 333-191635), filed on October 9, 2013)
10.2 ~
Form of NMI Holdings, Inc. 2012 Stock Incentive Plan Restricted Stock Unit Award Agreement for Management (incorporated herein by reference to Exhibit 10.3 to our Form S-1 Registration Statement (Registration No. 333-191635), filed on October 9, 2013)
10.3 ~
Form of NMI Holdings, Inc. 2012 Stock Incentive Plan Nonqualified Stock Option Award Agreement for Chief Executive Officer and Chief Financial Officer (incorporated herein by reference to Exhibit 10.5 to our Form S-1 Registration Statement (Registration No. 333-191635), filed on October 9, 2013)
10.4 ~
Form of NMI Holdings, Inc. 2012 Stock Incentive Plan Nonqualified Stock Option Award Agreement for Management (incorporated herein by reference to Exhibit 10.6 to our Form S-1 Registration Statement (Registration No. 333-191635), filed on October 9, 2013)
10.5 ~
Form of NMI Holdings, Inc. 2012 Stock Incentive Plan Nonqualified Stock Option Award Agreement for Directors (incorporated herein by reference to Exhibit 10.7 to our Form S-1 Registration Statement (Registration No. 333-191635), filed on October 9, 2013)
10.6 ~
10.7 ~
Form of NMI Holdings, Inc. 2012 Stock Incentive Plan Nonqualified Stock Option Award Agreement for Employees (incorporated herein by reference to Exhibit 10.9 to our Form 10-K, filed on February 17, 2017)
10.8 ~
Amended and Restated Employment Agreement by and between NMI Holdings, Inc. and Bradley M. Shuster, dated December 23, 2015 (incorporated herein by reference to Exhibit 10.1 to our Form 8-K, filed on December 29, 2015)
10.9 ~
Offer Letter by and between NMI Holdings, Inc. and William Leatherberry, dated July 11, 2014 (incorporated herein by reference to Exhibit 10.10 to our Form 10-Q, filed on April 28, 2016)
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10.1010.2 ~
Offer Letter by and between NMI Holdings, Inc. and Adam Pollitzer, dated February 1, 2017September 9, 2021 (incorporated herein by reference to Exhibit 10.1 to our Form 8-K, filed on February 3, 2017)September 9, 2021)
10.1110.3 ~
Offer letter by and between NMI Holdings, Inc. and Ravi Mallela, dated December 20, 2021 (incorporated herein by reference to Exhibit 10.1 to our Form 8-K, filed on December 21, 2021)
10.4 ~
Form of Indemnification Agreement between NMI Holdings, Inc. and its directors and certain executive officers (incorporated herein by reference to Exhibit 10.1 to our Form 8-K, filed on November 25, 2014)
10.1210.5 +
10.13
10.14
10.15
10.1610.6
10.1710.7
10.1810.8
10.1910.9
10.2010.10
10.2110.11
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10.12 ~
NMI Holdings, Inc. Amended and Restated 2014 Omnibus Incentive Plan (incorporated herein by reference to Appendix A to our 2017 Annual Proxy Statement, filed on March 30, 2017)
10.2210.13 ~
10.2310.14 ~
Form of NMI Holdings, Inc. Amended and Restated 2014 Omnibus Incentive Plan Restricted Stock Unit Award Agreement for Executive Officers (incorporated herein by reference to Exhibit 10.20 to our Form 10-Q filed on August 1, 2017)
10.2410.15 ~
Form of NMI Holdings, Inc. Amended and Restated 2014 Omnibus Incentive Plan Restricted Stock Unit Award Agreement for Employees (incorporated herein by reference to Exhibit 10.21 to our Form 10-Q filed on August 1, 2017)
10.2510.16 ~
Form of NMI Holdings, Inc. Amended and Restated 2014 Omnibus Incentive Plan Restricted Stock Unit Award Agreement for Independent Directors (incorporated herein by reference to Exhibit 10.22 to our Form 10-Q filed on August 1, 2017)
10.2610.17 ~
10.2710.18 ~
10.2810.19 ~
Form of NMI Holdings, Inc. 2014 Omnibus Incentive Plan Performance Based Restricted Stock Unit Award Agreement for Chief Executive Officer (incorporated herein by reference to Exhibit 10.26 to our Form 10-K, filed on February 17, 2017)
10.2910.20 ~
NMI Holdings, Inc. Severance Benefit Plan (incorporated herein by reference to Exhibit 10.1 to our Form 8-K, filed on February 17, 2016)
10.3010.21 ~
NMI Holdings, Inc. Amended and Restated Change in Control Severance Benefit Plan (incorporated herein by reference to Exhibit 10.30 to our Form 10-Q, filed on October 30, 2018)
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10.3110.22 ~
NMI Holdings, Inc. Clawback Policy (incorporated herein by reference to Exhibit 10.2 to our Form 8-K, filed on February 23, 2017)
10.3210.23 ~
Employment Letter by and between NMI Holdings, Inc. and Bradley M. Shuster, effective as of January 1, 2019 (incorporated herein by reference to Exhibit 10.1 to our Form 8-K, filed on December 28, 2018)
10.33 ~
Employment Letter by and between NMI Holdings, Inc. and Claudia J. Merkle, effective as of January 1, 2019 (incorporated herein by reference to Exhibit 10.2 to our Form 8-K, filed on December 28, 2018)
10.34 ~
Form of NMI Holdings, Inc. 2012 Stock Incentive Plan Restricted Stock Unit Award Agreement for Independent Directors (incorporated herein by reference to Exhibit 10.30 to our Form 10-Q, filed on May 2, 2019)
10.35 ~
Form of NMI Holdings, Inc. 2012 Stock Incentive Plan Restricted Stock Unit Award Agreement for Employees (incorporated herein by reference to Exhibit 10.31 to our Form 10-Q, filed on May 2, 2019)
10.36 ~
Form of NMI Holdings, Inc. 2012 Stock Incentive Plan Nonqualified Stock Option Agreement for Employees (incorporated herein by reference to Exhibit 10.32 to our Form 10-Q, filed on May 2, 2019)
10.3710.24 ~
10.3810.25 ~
Form of NMI Holdings, Inc. Amended and Restated 2014 Omnibus Incentive Plan Restricted Stock Unit Award Agreement for Employees (incorporated herein by reference to Exhibit 10.34 to our Form 10-Q, filed on May 2, 2019)
10.3910.26 ~
Form of NMI Holdings, Inc. Amended and Restated 2014 Omnibus Incentive Plan Nonqualified Stock Option Agreement for Employees (incorporated herein by reference to Exhibit 10.35 to our Form 10-Q, filed on May 2, 2019)
10.4010.27 ~
Form of NMI Holdings, Inc. Amended and Restated 2014 Omnibus Incentive Plan Restricted Stock Unit Award Agreement (Performance Based) (incorporated herein by reference to Exhibit 10.38 to our Form 10-Q, filed on May 7, 2020)
21.1
Subsidiaries of NMI Holdings, Inc. (incorporated herein by reference to Exhibit 21.1 to our Form 10-Q, filed on October 30, 2015)
22.1
Guaranteed Securities by Subsidiary Guarantor (incorporated herein by reference to Exhibit 22.1 to our Form 10-K, filed on February 16, 2022)
31.1
31.2
32.1 #
101The following financial information from NMI Holdings, Inc.'s Quarterly Report on Form 10-Q for the quarter ended June 30, 20212022 formatted in XBRL (eXtensible Business Reporting Language):
(i) Condensed Consolidated Balance Sheets as of June 30, 20212022 and December 31, 2020;2021;
(ii) Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) for the three months and six months ended June 30, 20212022 and 2020;2021;
(iii) Condensed Consolidated Statements of Changes in Shareholders' Equity for the sixthree months ended June 30, 20212022 and 2020;2021;
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(iv) Condensed Consolidated Statements of Cash Flows for the six months ended June 30, 20212022 and 2020;2021; and
(v) Notes to Condensed Consolidated Financial Statements. The instance document does not appear in the Interactive Data File because XBRL tags are embedded within the Inline XBRL document.
104The cover page from NMI Holdings, Inc.'s Quarterly Report on Form 10-Q for the quarter ended June 30, 2022 (formatted as Inline XBRL and contained in Exhibit 101).
~Indicates a management contract or compensatory plan or contract.
+Confidential treatment granted as to certain portions, which portions have been filed separately with the SEC.
#In accordance with Item 601(b)(32)(ii) of Regulation S-K and SEC Release No. 34-47986, the certifications furnished in Exhibit 32 hereto are deemed to accompany this Form 10-Q and will not be deemed "filed" for purposes of Section 18 of the Exchange Act or deemed to be incorporated by reference into any filing under the Exchange Act or the Securities Act except to the extent that the registrant specifically incorporates it by reference.

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SIGNATURES
Pursuant to the requirements 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.

NMI HOLDINGS, INC.
Date: August 3, 20212, 2022
By: /s/ Adam S. PollitzerRavi Mallela                 
Name: Adam S. PollitzerRavi Mallela
Title: Chief Financial Officer and Duly Authorized Signatory


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