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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549



FORM						10-Q



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

For the Quarterly Period Ended March 31, ~~2020~~

2021



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



Commission File Number:						1-10777



AMBAC FINANCIAL GROUP, ~~INC~~INC.

(Exact name of Registrant as specified in its charter)

Delaware

13-3621676

(State of incorporation)

(I.R.S. employer identification no.)

One ~~State Street Plaza~~World Trade Center

New York

~~10004~~10007

(Address of principal executive offices)

(Zip code)



	~~(212)~~	~~658-7470~~
~~(Registrant's telephone number, including area code)~~



	(212)	658-7470
(Registrant's telephone number, including area code)

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

Title of each class

Trading Symbol

Name of each exchange on which registered

Common stock par value $0.01 per share

AMBC

New York Stock Exchange

Warrants

AMBC WS

New York Stock Exchange

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, smaller reporting company or an emerging growth company. See definition of “large accelerated filer”, “accelerated filer”, “smaller reporting company” and "emerging growth company" in Rule 12b-2 of the Exchange Act): (Check one):

Large accelerated filer

☒

Accelerated filer

☐

Non-accelerated filer

☐

Smaller reporting company

☐

Emerging growth company

☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the Registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐ No ☒

Indicate by check mark whether the registrant has filed all documents and reports required to be filed by Sections 12, 13 or 15(d) of the Securities Exchange Act of 1934 subsequent to the distribution of securities under a plan confirmed by a court. Yes ☒ No ☐

As of May ~~7, 2020, 45,779,023~~6, 2021, 46,197,103 shares of common stock, par value $0.01 per share, of the Registrant were outstanding.

AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES

TABLE OF CONTENTS


Item Number		Page	Item Number		Page
PART I. FINANCIAL INFORMATION			PART I (CONTINUED)
1	Unaudited Consolidated Financial Statements of Ambac Financial Group, Inc. and Subsidiaries			U.S. Insurance Statutory Basis Financial Results	62
	Consolidated Balance Sheets (Unaudited)	1		Ambac Assurance UK Limited Financial Results Under UK Accounting Principles	63
	Consolidated Statements of Total Comprehensive Income (Loss) (Unaudited)	2		Non-GAAP Financial Measures	63
	Consolidated Statements of Stockholders' Equity (Unaudited)	3
	Consolidated Statements of Cash Flows (Unaudited)	4	3	Quantitative and Qualitative Disclosures About Market Risk	65
	Notes to Unaudited Consolidated Financial Statements	5	4	Controls and Procedures	65
2	Management's Discussion and Analysis of Financial Condition and Results of Operations	40
	Cautionary Statement Pursuant To The Private Securities Litigation Reform Act Of 1995	40	PART II. OTHER INFORMATION
	Executive Summary	41	1	Legal Proceedings	65
	Critical Accounting Policies and Estimates	43	1A	Risk Factors	65
	Financial Guarantees in Force	44	2	Unregistered Sales of Equity Securities and Use of Proceeds	68
	Results of Operations	50	3	Defaults Upon Senior Securities	68
	Liquidity and Capital Resources	54	5	Other Information	69
	Balance Sheet	56	6	Exhibits	68
	Variable Interest Entities	62	SIGNATURES		69
	Accounting Standards	62

Item Number Page Item Number Page
PART I. FINANCIAL INFORMATION PART I (CONTINUED)
1 Unaudited Consolidated Financial Statements of Ambac Financial Group, Inc. and Subsidiaries 3
Quantitative and Qualitative Disclosures About Market Risk
67

Consolidated Balance Sheets (Unaudited)
1
4
Controls and Procedures
68

Consolidated Statements of Total Comprehensive Income (Loss) (Unaudited)
2

Consolidated Statements of Stockholders' Equity (Unaudited)
3
PART II. OTHER INFORMATION

Consolidated Statements of Cash Flows (Unaudited)
4
1
Legal Proceedings
68

Notes to Unaudited Consolidated Financial Statements
5
1A
Risk Factors
69
2
Management's Discussion and Analysis of Financial Condition and Results of Operations
42
2
Unregistered Sales of Equity Securities and Use of Proceeds
69

Cautionary Statement Pursuant To The Private Securities Litigation Reform Act Of 1995
42
3
Defaults Upon Senior Securities
70

Executive Summary
43
5 Other Information
70

Critical Accounting Policies and Estimates
46
6 Exhibits
70

Financial Guarantees in Force
46

SIGNATURES
71

Results of Operations
51

Liquidity and Capital Resources
56

Balance Sheet
58

Variable Interest Entities
64

Accounting Standards
64

Ambac Assurance Statutory Basis Financial Results
64

Ambac Assurance UK Limited Financial Results Under UK Accounting Principles
65

Non-GAAP Financial Measures
65

PART I. FINANCIAL INFORMATION

Item 1. Unaudited Financial Statements of Ambac Financial Group, Inc. and Subsidiaries

AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES

Consolidated Balance Sheets


							March 31,		December 31,
	March 31,			December 31,
(Dollars in millions, except share data) (March 31, 2020 (Unaudited))	2020			2019
(Dollars in millions, except share data) (March 31, 2021 (Unaudited))						(Dollars in millions, except share data) (March 31, 2021 (Unaudited))	2021		2020
Assets:						Assets:
Investments:						Investments:
Fixed income securities, at fair value (amortized cost of $2,367 and $2,450)	$	2,367		$	2,577
Short-term investments pledged as collateral, at fair value (amortized cost of $85 and $85)	85			85
Short-term investments, at fair value (amortized cost of $586 and $653)	586			653
Other investments (includes $317 and $432 at fair value)	363			478
Total investments (net of allowance for credit losses of $0 at March 31, 2020)	3,400			3,792
Fixed maturity securities, at fair value (amortized cost of $2,221 and $2,175)						Fixed maturity securities, at fair value (amortized cost of $2,221 and $2,175)	$	2,341	$	2,317
Fixed maturity securities pledged as collateral, at fair value (amortized cost of $15 and $15)						Fixed maturity securities pledged as collateral, at fair value (amortized cost of $15 and $15)	15		15
Short-term investments, at fair value (amortized cost of $398 and $492)						Short-term investments, at fair value (amortized cost of $398 and $492)	397		492
Short-term investments pledged as collateral, at fair value (amortized cost of $105 and $125)						Short-term investments pledged as collateral, at fair value (amortized cost of $105 and $125)	105		125
Other investments (includes $600 and $544 at fair value)						Other investments (includes $600 and $544 at fair value)	600		595
Total investments (net of allowance for credit losses of $0 and $0)						Total investments (net of allowance for credit losses of $0 and $0)	3,458		3,544
Cash and cash equivalents	58			24		Cash and cash equivalents	23		20
Restricted cash	31			55		Restricted cash	16		13
Premium receivables (net of allowance for credit losses of $14 at March 31, 2020)	403			416
Reinsurance recoverable on paid and unpaid losses	36			26

Premium receivables (net of allowance for credit losses of $13 and $17)						Premium receivables (net of allowance for credit losses of $13 and $17)	356		370
Reinsurance recoverable on paid and unpaid losses (net of allowance for credit losses of $0 and $0)						Reinsurance recoverable on paid and unpaid losses (net of allowance for credit losses of $0 and $0)	33		33
Deferred ceded premium	79			82		Deferred ceded premium	74		70
Subrogation recoverable	2,192			2,029		Subrogation recoverable	2,076		2,156

Derivative assets	88			75		Derivative assets	74		93
Current taxes	16			11
Insurance intangible asset	406			427

Intangible assets						Intangible assets	391		409

Other assets	144			95		Other assets	115		114
Variable interest entity assets:						Variable interest entity assets:
Fixed income securities, at fair value	2,928			3,121
Fixed maturity securities, at fair value						Fixed maturity securities, at fair value	3,236		3,354
Restricted cash	2			2		Restricted cash	2		2

Loans, at fair value	2,932			3,108		Loans, at fair value	2,948		2,998

Derivative assets	62			52		Derivative assets	38		41
Other assets	1			3		Other assets	1		2
Total assets	$	12,777		$	13,320	Total assets	$	12,840	$	13,220
Liabilities and Stockholders’ Equity:						Liabilities and Stockholders’ Equity:
Liabilities:						Liabilities:

Unearned premiums	$	507		$	518	Unearned premiums	$	438	$	456
Loss and loss expense reserves	1,797			1,548		Loss and loss expense reserves	1,662		1,759
Ceded premiums payable	28			29		Ceded premiums payable	24		27

Deferred taxes	26			32		Deferred taxes	20		24
Current taxes						Current taxes	2		6
Long-term debt	2,760			2,822		Long-term debt	2,661		2,739
Accrued interest payable	457			441		Accrued interest payable	516		517
Derivative liabilities	137			90		Derivative liabilities	86		114
Other liabilities	131			93		Other liabilities	123		106

Variable interest entity liabilities:						Variable interest entity liabilities:
Accrued interest payable	—			1
Long-term debt (includes $4,092 and $4,351 at fair value)	4,263			4,554

Long-term debt (includes $4,264 and $4,324 at fair value)						Long-term debt (includes $4,264 and $4,324 at fair value)	4,427		4,493
Derivative liabilities	1,610			1,657		Derivative liabilities	1,739		1,835

Total liabilities	11,716			11,783		Total liabilities	11,697		12,074
Commitments and contingencies (See Note 11)
Commitments and contingencies (See Note 12)						Commitments and contingencies (See Note 12)
Redeemable noncontrolling interest						Redeemable noncontrolling interest	20		7
Stockholders’ equity:						Stockholders’ equity:
Preferred stock, par value $0.01 per share; 20,000,000 shares authorized shares; issued and outstanding shares—none	—			—
Common stock, par value $0.01 per share; 130,000,000 shares authorized; issued shares: 45,865,081 and 45,571,743	—			—
Preferred stock, par value $0.01 per share;20,000,000 shares authorized shares; issued and outstanding shares—NaN						Preferred stock, par value $0.01 per share;20,000,000 shares authorized shares; issued and outstanding shares—NaN	0		0
Common stock, par value $0.01 per share; 130,000,000 shares authorized; issued shares: 46,477,067 and 45,865,081						Common stock, par value $0.01 per share; 130,000,000 shares authorized; issued shares: 46,477,067 and 45,865,081	0		0
Additional paid-in capital	235			232		Additional paid-in capital	246		242
Accumulated other comprehensive income (loss)	(149		)	42		Accumulated other comprehensive income (loss)	61		79
Retained earnings	917			1,203		Retained earnings	761		759
Treasury stock, shares at cost: 86,058 and 16,343	(2		)	—
Treasury stock, shares at cost: 279,965 and 55,942						Treasury stock, shares at cost: 279,965 and 55,942	(5)		(1)
Total Ambac Financial Group, Inc. stockholders’ equity	1,002			1,477		Total Ambac Financial Group, Inc. stockholders’ equity	1,063		1,080
Noncontrolling interest	60			60
Nonredeemable noncontrolling interest						Nonredeemable noncontrolling interest	60		60
Total stockholders’ equity	1,062			1,536		Total stockholders’ equity	1,123		1,140
Total liabilities and stockholders’ equity	$	12,777		$	13,320
Total liabilities, redeemable noncontrolling interest and stockholders’ equity						Total liabilities, redeemable noncontrolling interest and stockholders’ equity	$	12,840	$	13,220

See accompanying Notes to Unaudited Consolidated Financial Statements

| Ambac Financial Group, Inc. 1 ~~2020~~2021 First Quarter FORM 10-Q|

AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES

Consolidated Statements of Total Comprehensive Income (Loss) (Unaudited)


	Three Months Ended March 31,							Three Months Ended March 31,
(Dollars in millions, except share data)	2020			2019			(Dollars in millions, except share data)	2021		2020
Revenues:							Revenues:
Net premiums earned	$	10		$	28		Net premiums earned	$	14	$	10

Net investment income (loss)	(21		)	55			Net investment income (loss)	49		(21)

Net realized investment gains (losses)	8			17			Net realized investment gains (losses)	2		8

Net gains (losses) on derivative contracts	(70		)	(16		)	Net gains (losses) on derivative contracts	25		(70)
Net realized gains (losses) on extinguishment of debt							Net realized gains (losses) on extinguishment of debt	33		—
Other income (expense)	—			1			Other income (expense)	5		0
Income (loss) on variable interest entities	3			16			Income (loss) on variable interest entities	0		3
Total revenues	(70		)	100			Total revenues	129		(70)
Expenses:							Expenses:
Losses and loss expenses (benefit)	117			12			Losses and loss expenses (benefit)	8		117
Insurance intangible amortization	13			36
Intangible amortization							Intangible amortization	19		13
Operating expenses	24			25			Operating expenses	33		24
Interest expense	63			68			Interest expense	50		63

Total expenses	217			142			Total expenses	110		217

Pre-tax income (loss)	(287		)	(41		)	Pre-tax income (loss)	19		(287)
Provision (benefit) for income taxes	(7		)	2			Provision (benefit) for income taxes	2		(7)
Net income (loss)							Net income (loss)	17		(280)
Less: net gain (loss) attributable to noncontrolling interest							Less: net gain (loss) attributable to noncontrolling interest	0		—

Net income (loss) attributable to common stockholders	$	(280	)	$	(43	)	Net income (loss) attributable to common stockholders	$	17	$	(280)
Other comprehensive income (loss), after tax:							Other comprehensive income (loss), after tax:
Net income (loss)	$	(280	)	$	(43	)	Net income (loss)	$	17	$	(280)
Unrealized gains (losses) on securities, net of income tax provision (benefit) of $(0) and $(1)	(146		)	56
Unrealized gains (losses) on securities, net of income tax provision (benefit) of $(2) and $0							Unrealized gains (losses) on securities, net of income tax provision (benefit) of $(2) and $0	(24)		(146)
Gains (losses) on foreign currency translation, net of income tax provision (benefit) of $0 and $0	(46		)	15			Gains (losses) on foreign currency translation, net of income tax provision (benefit) of $0 and $0	6		(46)
Credit risk changes of fair value option liabilities, net of income tax provision (benefit) of $1 and $0	3			—
Credit risk changes of fair value option liabilities, net of income tax provision (benefit) of $0 and $1							Credit risk changes of fair value option liabilities, net of income tax provision (benefit) of $0 and $1	(1)		3
Changes to postretirement benefit, net of income tax provision (benefit) of $0 and $0	(2		)	—			Changes to postretirement benefit, net of income tax provision (benefit) of $0 and $0	0		(2)
Total other comprehensive income (loss), net of income tax	(191		)	71			Total other comprehensive income (loss), net of income tax	(18)		(191)
Total comprehensive income (loss)							Total comprehensive income (loss)	(1)		(470)
Less: comprehensive (gain) loss attributable to the noncontrolling interest							Less: comprehensive (gain) loss attributable to the noncontrolling interest	0		—

Total comprehensive income (loss) attributable to common stockholders	$	(470	)	$	28		Total comprehensive income (loss) attributable to common stockholders	$	(2)	$	(470)
Net income (loss) per share attributable to common stockholders:							Net income (loss) per share attributable to common stockholders:
Basic	$	(6.07	)	$	(0.94	)	Basic	$	0.08	$	(6.07)
Diluted	$	(6.07	)	$	(0.94	)	Diluted	$	0.08	$	(6.07)
Weighted average number of common shares outstanding:							Weighted average number of common shares outstanding:
Basic	46,060,324			45,832,297			Basic	46,314,049		46,060,324
Diluted	46,060,324			45,832,297			Diluted	46,858,064		46,060,324

See accompanying Notes to Unaudited Consolidated Financial Statements

| Ambac Financial Group, Inc. 2 ~~2020~~2021 First Quarter FORM 10-Q|

AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES

Consolidated Statements of Stockholders’ Equity (Unaudited)


																								Ambac Financial Group, Inc.
(Dollars in millions)																					(Dollars in millions)	Total		Retained Earnings		Accumulated Other Comprehensive Income (Loss)		Preferred Stock		Common Stock		Additional Paid-in Capital		Common Stock Held in Treasury, at Cost		Nonredeemable Noncontrolling Interest
Balance at December 31, 2020																					Balance at December 31, 2020	$	1,140	$	759	$	79	$	0	$	0	$	242	$	(1)	$	60
Total comprehensive income (loss)																					Total comprehensive income (loss)	(2)		17		(18)		0		0		0		0		0

				Ambac Financial Group, Inc.
(Dollars in millions)	Total			Retained Earnings			Accumulated Other Comprehensive Income (Loss)			Preferred Stock		Common Stock		Additional Paid-in Capital		Common Stock Held in Treasury, at Cost			Noncontrolling Interest
Balance at January 1, 2020	$	1,536		$	1,203		$	42		$	—	$	—	$	232	$	—		$	60
Total comprehensive income (loss)	(470		)	(280		)	(191		)	—		—		—		—			—
Adjustment to initially apply ASU 2016-13	(4		)	(4		)	—			—		—		—		—			—

Stock-based compensation	3			—			—			—		—		3		—			—		Stock-based compensation	4		0		0		0		0		4		0		0
Cost of shares (acquired) issued under equity plan	(3		)	(1		)	—			—		—		—		(1		)	—		Cost of shares (acquired) issued under equity plan	(6)		(2)		0		0		0		0		(4)		0
Balance at March 31, 2020	$	1,062		$	917		$	(149	)	$	—	$	—	$	235	$	(2	)	$	60
Changes to Redeemable NCI																					Changes to Redeemable NCI	(13)		(13)		—		—		—		—		—		—

Balance at January 1, 2019	$	1,633		$	1,421		$	(49	)	$	—	$	—	$	219	$	—		$	41

Balance at March 31, 2021																					Balance at March 31, 2021	$	1,123	$	761	$	61	$	0	$	0	$	246	$	(5)	$	60

Balance at December 31, 2019																					Balance at December 31, 2019	$	1,536	$	1,203	$	42	$	0	$	0	$	232	$	0	$	60
Total comprehensive income (loss)	28			(43		)	71			—		—		—		—			—		Total comprehensive income (loss)	(470)		(280)		(191)		0		0		0		0		0

Adjustment to initially apply ASU 2016-13																					Adjustment to initially apply ASU 2016-13	(4)		(4)		—		—		—		—		—		—

Stock-based compensation	4			—			—			—		—		4		—			—		Stock-based compensation	3		0		0		0		0		3		0		0
Cost of shares (acquired) issued under equity plan	(2		)	(2		)	—			—		—		—		—			—		Cost of shares (acquired) issued under equity plan	(3)		(1)		0		0		0		0		(1)		0
Re-issuance of Ambac Assurance auction market preferred shares	3			—			—			—		—		—		—			3
Balance at March 31, 2019	$	1,666		$	1,376		$	23		$	—	$	—	$	224	$	(1	)	$	44

Balance at March 31, 2020																					Balance at March 31, 2020	$	1,062	$	917	$	(149)	$	0	$	0	$	235	$	(2)	$	60

See accompanying Notes to Unaudited Consolidated Financial Statements

| Ambac Financial Group, Inc. 3 ~~2020~~2021 First Quarter FORM 10-Q|

AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES

Consolidated Statements of Cash Flows (Unaudited)


	Three Months Ended March 31,							Three Months Ended March 31,
(Dollars in millions)	2020			2019			(Dollars in millions)	2021		2020
Cash flows from operating activities:							Cash flows from operating activities:
Net income (loss) attributable to common stockholders							Net income (loss) attributable to common stockholders	$	17	$	(280)

Noncontrolling interest in subsidiaries’ earnings							Noncontrolling interest in subsidiaries’ earnings	0		0
Net income (loss)	$	(280	)	$	(43	)	Net income (loss)	$	17	$	(280)
Adjustments to reconcile net income to net cash used in operating activities:							Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	—			—

Amortization of bond premium and discount	(4		)	(12		)	Amortization of bond premium and discount	(3)		(4)

Share-based compensation	3			4			Share-based compensation	4		3
Deferred income taxes	(6		)	(1		)	Deferred income taxes	(3)		(6)
Current income taxes	(5		)	4			Current income taxes	(3)		(5)

Unearned premiums, net	(7		)	(36		)	Unearned premiums, net	(22)		(7)
Losses and loss expenses, net	77			(119		)	Losses and loss expenses, net	(17)		77
Ceded premiums payable	(1		)	(1		)	Ceded premiums payable	(2)		(1)

Premium receivables	13			8			Premium receivables	14		13
Accrued interest payable	23			29			Accrued interest payable	23		23
Amortization of insurance intangible assets	13			36
Net mark-to-market (gains) losses	2			—
Amortization of intangible assets							Amortization of intangible assets	19		13

Net realized investment gains	(8		)	(17		)	Net realized investment gains	(2)		(8)

(Gain) loss on extinguishment of debt							(Gain) loss on extinguishment of debt	(33)		—
Variable interest entity activities	(3		)	(16		)	Variable interest entity activities	0		(3)
Derivative assets and liabilities	32			12			Derivative assets and liabilities	(22)		32
Other, net	63			57			Other, net	(10)		64
Net cash used in operating activities	(87		)	(95		)	Net cash used in operating activities	(40)		(87)
Cash flows from investing activities:							Cash flows from investing activities:
Proceeds from sales of bonds	221			641			Proceeds from sales of bonds	44		221
Proceeds from matured bonds	49			35			Proceeds from matured bonds	39		49
Purchases of bonds	(150		)	(183		)	Purchases of bonds	(128)		(150)
Proceeds from sales of other invested assets	243			2			Proceeds from sales of other invested assets	48		243
Purchases of other invested assets	(195		)	(29		)	Purchases of other invested assets	(41)		(195)
Change in short-term investments	67			(478		)	Change in short-term investments	94		67

Change in cash collateral receivable	(56		)	57			Change in cash collateral receivable	11		(56)
Proceeds from paydowns of consolidated VIE assets	66			67			Proceeds from paydowns of consolidated VIE assets	50		66
Other, net	(1		)	—			Other, net	(1)		(1)
Net cash provided by investing activities	244			112			Net cash provided by investing activities	116		244
Cash flows from financing activities:							Cash flows from financing activities:

Paydowns of Ambac note	(77		)	(13		)	Paydowns of Ambac note	(16)		(77)
Issuance of auction market preferred shares of Ambac Assurance	—			3

Tax payments related to shares withheld for share-based compensation plans	(3		)	(2		)	Tax payments related to shares withheld for share-based compensation plans	(6)		(3)

Payments of consolidated VIE liabilities	(66		)	(63		)	Payments of consolidated VIE liabilities	(48)		(66)
Net cash used in financing activities	(146		)	(76		)	Net cash used in financing activities	(69)		(146)
Effect of foreign exchange on cash, cash equivalents and restricted cash	—			—			Effect of foreign exchange on cash, cash equivalents and restricted cash	0		0
Net cash flow	10			(58		)	Net cash flow	6		10
Cash, cash equivalents, and restricted cash at beginning of period	81			83			Cash, cash equivalents, and restricted cash at beginning of period	35		81
Cash, cash equivalents, and restricted cash at end of period	$	91		$	25		Cash, cash equivalents, and restricted cash at end of period	$	42	$	91

See accompanying Notes to Unaudited Consolidated Financial Statements

| Ambac Financial Group, Inc. 4 ~~2020~~2021 First Quarter FORM 10-Q|

Table of Contents

AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

(Dollar Amounts in Millions, Except Share Amounts)

1. BACKGROUND AND BUSINESS DESCRIPTION

The following description provides an update of Note 1. Background and Business Description in the Notes to Consolidated Financial Statements included Part II, Item 8 in the Company’s Annual Report on Form 10-K for the year ended December 31, ~~2019,~~2020, and should be read in conjunction with the complete descriptions provided in the Form 10-K. Capitalized terms used, but not defined herein, and in the other footnotes to the Consolidated Financial Statements included in this Quarterly Report on Form 10-Q shall have the meanings ascribed thereto in the Company’s Annual Report on Form 10-K for the year ended December 31, ~~2019.~~2020.

Ambac Financial Group, Inc. (“AFG”), headquartered in New York City, is a financial services holding company incorporated in the state of Delaware on April 29, ~~1991~~.1991. References to “Ambac,” the “Company,” “we,” “our,” and “us” are to AFG and its subsidiaries, as the context requires. Ambac's business operations include:

~~AFG’s subsidiary,~~ •Financial Guarantee Insurance — Ambac Assurance Corporation ~~(“Ambac Assurance" or "AAC"~~("AAC") and its wholly owned subsidiary, Ambac Assurance UK Limited (“Ambac UK”), ~~are both~~legacy financial guarantee ~~insurance companies~~businesses, both of which have been in ~~run-off.~~runoff since 2008. Insurance policies issued by ~~Ambac Assurance~~AAC and Ambac UK generally guarantee payment when due of the principal and interest on the obligations guaranteed.

•Specialty Property & Casualty Program Insurance ("SPCP") — Currently includes admitted insurer Everspan Insurance Company and excess and surplus lines insurer Everspan Indemnity Insurance Company (collectively, "Everspan" or the "Everspan Group"). This platform, which received an A- Financial Strength Rating from A.M. Best in February 2021, is expected to launch new underwriting programs in 2021.

•Managing General Agency / Underwriting ("MGA/U") — Currently includes Xchange Benefits, LLC and Xchange Affinity Underwriting Agency, LLC (collectively, “Xchange”) a property and casualty Managing General Underwriter 80% of which AFG acquired on December 31, 2020. Refer to Note 3. Business Combination in the Notes to Consolidated Financial Statements included Part II, Item 8 in the Company’s Annual Report on Form 10-K for the year ended December 31, 2020, for further information relating to this acquisition.

While SPCP and MGA/U are distinct businesses, they are currently not significant to Ambac's operations to warrant segment presentation. Management ~~reviews financial information, allocates resources~~evaluates its reportable segments at least annually and ~~measures financial performance on a consolidated basis. As a result, the Company has a single reportable segment.~~as facts and circumstances change.

Strategies to Enhance Shareholder Value

The Company's primary goal is to maximize shareholder value through executing the following key strategies:

•Active runoff of ~~Ambac Assurance~~AAC and its subsidiaries through transaction terminations, ~~policy~~ commutations, ~~reinsurance, settlements~~restructurings, and ~~restructurings,~~reinsurance with a focus on our watch list credits and known

and potential future adversely classified credits, that we believe will improve our risk profile, and maximizing the risk-adjusted return on invested assets;

•Ongoing rationalization of Ambac's capital and liability structures;

•Loss recovery through active litigation management and exercise of contractual and legal rights;

•Ongoing review of the effectiveness and efficiency of Ambac's operating platform; and

~~Evaluation~~•Focused growth in the specialty property and casualty program insurance, managing general agency/underwriting and potentially other insurance and insurance related businesses to advance our goal of ~~opportunities in certain business sectors that meet acceptable criteria that will generate~~generating long-term stockholder value with attractive ~~risk-adjusted~~risk adjusted returns.

With respect to our new business strategy, we continue to evaluate and pursue strategic opportunities in credit, insurance, asset management and other financial services that we believe would be synergistic to Ambac and would leverage our core competencies. While we have increased our efforts in evaluating such potential opportunities, we continue to be measured and disciplined in our approach as we seek to deploy our capital on opportunities that will

generate sustainable long-term shareholder value. Although we are exploring new business opportunities for AFG, no assurance can be given that we will be able to identify or execute a suitable transaction and/or obtain the financial and other resources that may be required to finance the acquisition or develop any new businesses or assets. As a consequence of the coronavirus disease 2019 ("COVID-19") pandemic, risks associated with our new businesses strategy have increased given uncertainties related to the resulting global recession, increase in business risk in our target sectors and disruption to the capital markets. Due to these factors, as well as uncertainties relating to the ability of Ambac Assurance to deliver value to Ambac, the value of our securities remains speculative.

The execution of ~~AFG’s~~Ambac’s strategy to ~~extract and~~ increase the value of its investment in ~~Ambac Assurance~~AAC is subject to the restrictions set forth in the Settlement Agreement, dated as of June 7, 2010 (the "Settlement Agreement"), by and among ~~Ambac Assurance,~~AAC, Ambac Credit Products LLC ("ACP"), AFG and certain counterparties to credit default swaps with ACP that were guaranteed by ~~Ambac Assurance,~~AAC, as well as the Stipulation and Order ~~and in the indenture for the Tier 2 Notes, each of which requires~~among the Office of the Commissioner of Insurance for the State of Wisconsin (“OCI”), AFG and AAC that became effective on February 12, 2018, as amended (the “Stipulation and Order”), and the indenture for the Tier 2 Notes (as defined below), each of which requires OCI and, under certain circumstances, holders of the debt instruments benefiting from such restrictions, to approve certain actions taken by or in respect of ~~Ambac Assurance.~~AAC. In exercising its approval rights, OCI will act for the benefit of policyholders, and will not take into account the interests of AFG. ~~AFG's strategy~~

2021 Surplus Note Exchanges

On January 19, 2021, AAC entered into a purchase agreement (the “Purchase Agreement”) with AFG and certain funds or accounts (the “Note Holders”), pursuant to ~~extract~~which (i) the Note Holders agreed to sell to AAC all of the individual beneficial interests (the “Interests”) in the 5.1% senior notes due August 28, 2039 (the “Corolla Notes”), issued by the Corolla Trust, a Delaware statutory trust formed by AFG in 2014, (ii) AFG agreed to sell to AAC the owner trust certificate for the Corolla Trust (the “Corolla Certificate”), which constituted all of the equity interests in the Corolla Trust, and ~~increase~~(iii) AAC agreed to exchange the ~~value~~Interests and the Corolla Certificate for AAC’s senior surplus notes (collectively, the “Corolla Note Exchange”). The Note Holders held 100% of ~~its investment in Ambac Assurance is also subject to significantly more risk and uncertainty due~~the outstanding Corolla Notes. Pursuant to the ~~consequences~~Purchase Agreement, each $1.00 principal amount of the ~~COVID-19 pandemic~~Corolla Notes (and the associated amount of accrued and unpaid interest thereon) was exchanged for $0.9125 principal amount of senior surplus notes (and the associated amount of accrued and unpaid interest thereon) on the ~~global economy, issuers~~date of the consummation of the Corolla Note Exchange (the “Closing”). In addition, every $1.00 principal amount of the Corolla Certificate (and the associated amount of accrued and unpaid interest thereon) was exchanged for $0.6400 principal amount of senior surplus notes (and the associated amount of accrued and unpaid interest thereon) on the date of Closing. The Closing occurred on January 22, 2021. At the Closing AAC issued $267 aggregate principal amount of senior surplus notes to consummate the

| Ambac Financial Group, Inc. 52021 First Quarter FORM 10-Q |

Table of Contents

AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

(Dollar Amounts in Millions, Except Share Amounts)

Corolla Note Exchange and acquire all of the interests in the Corolla Trust. Subsequent to the closing the Corolla Trust was dissolved and the junior surplus note that had been deposited in the Corolla Trust by AFG in 2014 was canceled.

In February 2021, AAC entered into a purchase agreement pursuant to which the holder of $15 principal amount of 5.1% junior surplus notes issued by AAC agreed to sell such notes to AAC in exchange for senior surplus notes (the "JSN Exchange"). Pursuant to the purchase agreement, each $1.00 principal amount of the junior surplus notes (and the associated amount of accrued and unpaid interest thereon) was exchanged for $0.8581 principal amount of senior surplus notes (and the associated amount of accrued and unpaid interest thereon). The closing of the JSN Exchange occurred on February 11, 2021, when AAC issued approximately $13 aggregate principal amount of senior surplus notes. Subsequent to the closing of the JSN Exchange the junior surplus notes were canceled. As a result of the Corolla Note Exchange and the JSN Exchange, AAC no longer has any junior surplus notes outstanding.

The surplus notes exchanged pursuant to the Corolla Note Exchange and the JSN Exchange are part of the same series as, and rank equally with, the existing surplus notes previously issued by AAC. After giving effect to the Corolla Note Exchange and the JSN Exchange, AAC has $853 principal amount of surplus notes outstanding and total principal and accrued and unpaid interest of surplus notes outstanding is $1,414 as of February 11, 2021. Outstanding surplus notes principal amount includes $83 owned by AFG, which amount is eliminated in consolidation for purposes of US generally accepted accounting principles. The Company recorded a gain of $33 for the three months ended March 31, 2021 arising from AAC's purchases of junior surplus notes below their carrying values which is reported within Net realized gains (losses) on extinguishment of debt ~~insured by Ambac, and issuers~~in the Consolidated Statements of debt and other investments owned by Ambac. These consequences may include material losses in Ambac's insured and investment portfolio, higher earnings volatility, increased liquidity demands and greater counterparty risk.

~~Opportunities~~Total Comprehensive Income (Loss). In addition, the Company has recorded gain of $4 for ~~remediating losses on poorly performing insured transactions also depend on market conditions, including~~ the ~~perception of Ambac Assurance’s creditworthiness,~~three months ended March 31, 2021 from the ~~structure~~exchange of the ~~underlying risk and associated policy as well as other counterparty specific factors. Ambac Assurance's ability to commute policies or purchase certain investments may also be limited~~Corolla Certificate held by ~~available liquidity.~~AFG above its carrying value, which is reported within Net realized investment gains (losses) in the Consolidated Statements of Total Comprehensive Income (Loss).

2. BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES

The Company has disclosed its significant accounting policies in Note 2. Basis of Presentation and Significant Accounting Policies in the Notes to Consolidated Financial Statements included in the Company’s Annual Report on Form 10-K for the year ended December 31, ~~2019.~~2020. The following significant accounting policies provide an update to those included in the Company’s Annual Report on Form 10-K.

Consolidation:

The consolidated financial statements include the accounts of AFG and all other entities in which AFG (directly or through its subsidiaries) has a controlling financial interest, including variable

~~| Ambac Financial Group, Inc.~~ 5~~2020 First Quarter FORM 10-Q~~ |

~~Table of Contents~~

~~AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES~~

~~Notes to Unaudited Consolidated Financial Statements~~

~~(Dollar Amounts in Millions, Except Share Amounts)~~

interest entities (“VIEs”) for which AFG or an AFG subsidiary is deemed the primary beneficiary in accordance with the Consolidation Topic of the Accounting Standards Codification ("ASC"). All significant intercompany balances have been eliminated. The usual condition for a controlling financial interest is ownership of a majority of the voting interests of an entity. However, a controlling financial interest may also exist in entities, such as VIEs, through arrangements that do not involve controlling voting interests. A VIE is an entity: a) that lacks enough equity investment at risk to permit the entity to finance its activities without additional subordinated financial support from other parties; or b) where the group of equity holders does not have: (1) the power, through voting rights or similar rights, to direct the activities of an entity that most significantly impact the entity’s economic performance; (2) the obligation to absorb the entity’s expected losses; or (3) the right to receive the entity’s expected residual returns. The determination of whether a variable interest holder is the primary beneficiary involves performing a qualitative analysis of the VIE that includes, among other factors, its capital structure, contractual terms including the rights of each variable interest holder, the activities of the VIE, whether the variable interest holder has the power to direct the activities of a VIE that most significantly impact the VIE’s economic performance, whether the variable interest holder has the obligation to absorb losses of the VIE that could potentially be significant to the VIE or the right to receive benefits from the VIE that could potentially be significant to the VIE, related party relationships and the design of the VIE. An entity that is deemed the primary beneficiary of a VIE is required to consolidate the VIE. See Note 3. Variable Interest Entities, for a

detailed discussion of Ambac’s involvement in VIEs, Ambac’s methodology for determining whether Ambac is required to consolidate a VIE and the effects of VIEs being consolidated and deconsolidated.

Basis of ~~Presentation~~Presentation:

The accompanying unaudited consolidated financial statements have been prepared in accordance with U.S. generally accepted accounting principles ("GAAP") for interim financial reporting and with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all of the information and disclosures required by GAAP for annual periods. These consolidated financial statements should be read in conjunction with the consolidated financial statements and notes thereto included in the Annual Report on Form 10-K for the year ended December 31, ~~2019.~~2020. The accompanying consolidated financial statements have not been audited by an independent registered public accounting firm in accordance with the standards of the Public Company Accounting

Oversight Board (U.S.), but in the opinion of management such financial statements include all adjustments necessary for the fair presentation of the Company’s consolidated financial position and results of operations. The results of operations for the three months ended March 31, ~~2020~~2021, may not be indicative of the results that may be expected for the year ending December 31, ~~2020.~~2021. The December 31, ~~2019~~2020, consolidated balance sheet was derived from audited financial statements.

The preparation of financial statements requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. As additional information becomes available or actual amounts become determinable, the recorded estimates are revised and reflected in operating results.

Foreign Currency:

Financial statement accounts expressed in foreign currencies are translated into U.S. dollars in accordance with the Foreign Currency Matters Topic of the ASC. The functional currencies of AFG's subsidiaries are the local currencies of the country where the respective subsidiaries are based, which are also the primary operating environments in which the subsidiaries operate.

~~Foreign currency translation~~: Functional currency assets and liabilities of AFG’s foreign subsidiaries are translated into U.S. dollars using exchange rates in effect at the balance sheet dates and the related translation adjustments, net of deferred taxes, are included as a component of Accumulated Other Comprehensive Income in Stockholders' Equity. Functional currency operating results of foreign subsidiaries are translated using average exchange rates.

~~Foreign currency transactions~~: The impact of non-functional currency transactions and the remeasurement of non-functional currency assets and liabilities into the respective subsidiaries' functional currency (collectively "foreign currency transactions gains/(losses)") are $1$(5) and $2$1 for the three months ended March 31, ~~2020~~2021 and ~~2019,~~2020, respectively. Foreign currency transactions gains/(losses) are primarily the result of remeasuring Ambac UK's assets and liabilities denominated in currencies other than its functional currency, primarily the U.S. dollar and the Euro.

Revenue Recognition:

Revenues for the MGA/U business operations are recognized in accordance with the Revenue from Contracts with Customers Topic of the ASC. The following steps are applied to recognize revenue: identify the contract(s) with the customer, identify the performance obligations in the contract(s), determine the transaction price, allocate the transaction price to the performance obligations in the contract and recognize revenue when (or as) the entity satisfies a performance obligation. A performance obligation is satisfied either at a point in time or over time depending on the nature of the product or service provided, and the specific terms of the contract with customers.

| Ambac Financial Group, Inc. 6 ~~2020~~2021 First Quarter FORM 10-Q|

Table of Contents

AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

(Dollar Amounts in Millions, Except Share Amounts)

MGA/U performance obligations consist of placing policies with insurers and, for certain products, providing claims servicing. Revenue from limited and short-term medical policies sold through affinity groups ("Affinity") are recognized up front as no further performance obligations exist after policy placement. Revenue from employer stop loss policies ("ESL") is apportioned to policy placement, recognized upfront, and claims servicing, recognized over the claim period, based on the relative stand-alone selling price of the respective performance obligations.

Revenue consists of base and profit-sharing commissions. Base commissions, associated with policy placement and claims servicing, are estimated by applying the contractual commission percentages to estimated gross premiums written. Profit-sharing commissions represent variable consideration associated with policy placement only and are estimated based on expected loss ratios and the estimated gross premium for base commissions. Base and profit-sharing commissions are estimated with a constraint applied such that a significant reversal of revenue in the future is not probable. MGA/U revenue is reported in other income (expense) on the Consolidated Statement of Total Comprehensive Income.

Contract assets represent the Company's right to future consideration for services it has already transferred to the customer, which is also conditional on future performance. Once the right to consideration becomes unconditional, it is reported as a receivable. Contract liabilities represent the Company's obligation to transfer services for which it has already received consideration from the customer. Contract assets and contract liabilities are reported as other assets and other liabilities, respectively, on the Consolidated Balance Sheet.

Redeemable Noncontrolling Interest:

The acquisition by AFG of 80% of the ownership interests of Xchange, is further described in Note 3. Business Combinations

Supplemental Disclosure of Cash Flow Information Three Months Ended March 31,
2020 2019
Cash paid during the period for:
Income taxes $ 2
$ 1
Interest on long-term debt 31
38
Non-cash financing activities:
Exchange of investments in Puerto Rico COFINA bonds for new bonds issued in the Plan of Adjustment $ —
$ 510

March 31,
2020 2019
Reconciliation of cash, cash equivalents, and restricted cash reported within the Consolidated Balance Sheets to the Consolidated Statements of Cash Flows:
Cash and cash equivalents $ 58
$ 22
Restricted cash 31
—
Variable Interest Entity Restricted cash 2
3
Total cash, cash equivalents, and restricted cash shown on the Consolidated Statements of Cash Flows $ 91
$ 25
in the Notes to Consolidated Financial Statements included in Part II, Item 8 in the Company’s Annual Report on Form 10-K for the year ended December 31, 2020. Under the terms of the acquisition agreement, Ambac received a call option to purchase the remaining 20% of Xchange from the minority owners (i.e., noncontrolling interests) and the minority owners received a put option to sell the remaining 20% to Ambac. The call and put options are exercisable after different time periods elapse. Because the exercise of the put option is outside the control of Ambac, in accordance with the Distinguishing Liabilities from Equity Topic of the ASC, Ambac reports redeemable noncontrolling interests in the mezzanine section of its consolidated balance sheet.

The redeemable noncontrolling interest is remeasured each period as the greater of:

i.the carrying value under ASC 810, which attributes a portion of consolidated net income (loss) to the redeemable noncontrolling interest; and

ii.the redemption value of the put option under ASC 480 as if it were exercisable at the end of the reporting period.

Any increase (decrease) in the carrying amount of the redeemable noncontrolling interest as a result of adjusting to the redemption value of the put option is recorded as an offset to retained earnings. The impact of such differences on earnings per share are presented in Note 5. Net Income Per Share.

Following is a rollforward of redeemable noncontrolling interest.


Three Months Ended March 31,	2021
Beginning balance	$	7
Net income attributable to redeemable noncontrolling interest (ASC 810)	0
Adjustment to redemption value (ASC 480)	$	13
Ending balance	$	20


Supplemental Disclosure of Cash Flow Information	Three Months Ended March 31,
	2021		2020
Cash paid during the period for:
Income taxes	$	8	$	2
Interest on long-term debt	25		31
Non-cash financing activities:




Decrease in long-term debt as a result of surplus notes exchanges	$	71	$	—

	March 31,
	2021		2020
Reconciliation of cash, cash equivalents, and restricted cash reported within the Consolidated Balance Sheets to the Consolidated Statements of Cash Flows:
Cash and cash equivalents	$	23	$	58
Restricted cash	16		31
Variable Interest Entity restricted cash	2		2
Total cash, cash equivalents, and restricted cash shown on the Consolidated Statements of Cash Flows	$	42	$	91

Reclassifications and Rounding

Reclassifications may have been made to prior years' amounts to conform to the current year's presentation. Certain amounts and

tables in the consolidated financial statements and associated notes may not add due to rounding.

~~Adopted Accounting Standards:~~

~~Effective January 1, 2020, the Company adopted the following accounting standards:~~

~~Measurement of Credit Losses on Financial Instruments (CECL)~~

~~In June 2016, the FASB issued ASU 2016-13,~~ ~~Financial Instruments-Credit Losses (Topic 326) - Measurement of Credit Losses on Financial Instruments,~~ ~~subsequently amended by ASU 2018-19, Codification Improvements to Topic 326, Financial Instruments - Credit Losses;~~ ~~ASU 2019-04, Codification Improvements to Topic 326, Financial Instruments—Credit Losses, Topic 815, Derivatives and Hedging, and Topic 825, Financial Instruments; ASU 2019-05,~~ ~~Financial Instruments—Credit Losses (Topic 326): Targeted Transition Relief; and ASU 2019-11,~~ ~~Codification Improvements to Topic 326, Financial Instruments - Credit Losses (collectively the Current Expected Credit Loss standard or "CECL")~~

The new CECL standard affects how reporting entities measure credit losses for financial assets that are not accounted for at fair value through net income. For Ambac, these financial assets include available-for-sale debt securities, premium receivables, reinsurance recoverables, and loans. CECL does not apply to recoveries of previously paid losses on financial guarantee insurance contracts accounted for under ASC 944 nor does it apply to equity method investments accounted for under ASC 323.

For available-for-sale debt securities, the updated guidance was applied prospectively and for financial instruments measured at amortized cost, the updated guidance was applied by a cumulative effect adjustment to the opening balance of retained earnings at January 1, 2020. This adjustment was not material to retained earnings or any individual balance sheet line item.

As a result of adopting CECL, management revised its policies and procedures around the credit impairment evaluation process. CECL also introduced new disclosures related to the credit impairment process, including certain accounting policy elections that Ambac made under the the new standard. Enhanced disclosures related to accounting policies for each type of asset impacted by CECL are discussed below. The disclosures below should be read in conjunction with disclosures in ~~Note 2. Basis of Presentation and Significant Accounting Policies~~, ~~Note 6. Financial Guarantee Insurance Contracts~~ ~~and~~ ~~Note 8. Investments~~ ~~in the Notes to Consolidated Financial Statements included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2019.~~

~~Available-for-Sale Securities~~

For available-for-sale debt securities, credit losses under CECL are measured similarly to other-than-temporary impairments under prior GAAP. However, under CECL, the recognition of credit losses for available-for-sale debt securities will be recorded as an allowance for credit losses with an offsetting charge to net income, rather than as a direct write-down of the security as was required under prior GAAP. As a result, improvements to estimated credit losses for available-for-sale debt securities will be recognized immediately in net income rather than as interest income over time. Furthermore, as required under CECL, Ambac no longer considers the length of time a security has continuously been in an unrealized loss in the credit impairment process.

Ambac has made certain accounting policy elections related to accrued interest receivable ("AIR") for available-for-sale investments under CECL, which are consistent with past practices under prior GAAP. Elections include: i) not measuring AIR for credit impairment, instead AIR is written off when it becomes 90 days past due; ii) writing off AIR by reversing interest income; iii) presenting AIR separately in Other Assets on the balance sheet and iv) excluding AIR from amortized cost balances in required CECL disclosures found in ~~Note 8. Investments. AIR at March 31, 2020 was $12.~~

~~Refer to~~ ~~Note 8. Investments~~ ~~for further credit impairment disclosures.~~

| Ambac Financial Group, Inc. 7 ~~2020~~2021 First Quarter FORM 10-Q|

Table of Contents

AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

(Dollar Amounts in Millions, Except Share Amounts)

Adopted Accounting Standards:

~~Amortized cost assets~~Effective January 1, 2021, the Company adopted the following accounting standard:

For financial assets measured at amortized cost, CECL replaces the "incurred loss" model used for certain types of assets which generally delayed recognition of the full amount of credit losses until the loss was probable of occurring, with an "expected loss" model, which reflects an entity's current estimate of all expected lifetime credit losses. The estimate of expected lifetime credit losses should consider historical information, current information, as well as reasonable and supportable forecasts. Expected lifetime credit losses for amortized cost assets will be recorded as an allowance for credit losses, with subsequent increases or decreases in the allowance reflected in net income each period. The CECL measurement approach for Ambac's affected asset types were not materially different than the approaches under prior GAAP. Refer to the discussion below for each asset type.

~~Premium receivables.~~For financial guarantee contracts, the receipt of premiums and payment of policy losses are both dependent on the issuer of the insured obligation's ability and willingness to pay. As such, management leverages its existing loss reserve estimation process to evaluate credit impairment for premium receivables. Key factors in assessing credit impairment include historical premium collection data, internal risk classifications, credit ratings and loss severities. For structured finance transactions involving special purpose entities, we further evaluate the priority of premiums paid to Ambac within the contractual waterfall, as required by bond indentures.

Management utilizes either a discounted cash flow ("DCF") or probability of default/loss given default ("PD/LGD") approach to estimate credit impairment. The DCF approach utilizes expected cash flows developed by Ambac's Risk Management Group using the same (or similar) models used for estimating loss reserves where such models can identify shortfalls in premiums. Credit impairment using the DCF approach is equal to the difference between amortized cost and the present value of expected cash flows. Credit impairment under the PD/LGD approach is the product of (i) the premium receivable carrying value, (ii) internally developed default probability (considering internal ratings and average life), and (iii) internally developed loss severities.

~~Refer to~~ ~~Note 6. Financial Guarantee Insurance Contracts~~ ~~for further credit impairment disclosures.~~

~~Loans.~~ The key factors in assessing credit impairment for loans are internal credit ratings and loss severities. Management utilizes a PD/LGD approach, similar to the one described above for premium receivables, which is applied to the loan carrying value.

~~Reinsurance recoverables.~~ Ambac has elected the to use the practical expedient of considering the fair value of collateral posted by reinsurers when evaluating credit impairment. To determine the total unsecured recoverable to be evaluated for impairment, Ambac nets the reinsurance recoverable amount by ceded premiums payable and the fair value of collateral posted, if any.

The key factors in assessing credit impairment for reinsurance recoverables are independent rating agency credit ratings and loss severities. Management utilizes a PD/LGD approach, similar to the one described above for premium receivables, which is applied to the net unsecured reinsurance recoverable amount.

~~Refer to~~ ~~Note 6. Financial Guarantee Insurance Contracts~~ ~~for further credit impairment disclosures.~~

~~Fair Value Measurement Disclosures~~Simplifying Income Tax Accounting

In ~~August 2018,~~December 2019, the FASB issued ASU ~~2018-13,~~2019-12, ~~Fair Value Measurement~~Income Taxes (Topic ~~820)~~740) - ~~Disclosure Framework - Changes to~~Simplifying the ~~Disclosure Requirements~~Accounting for ~~Fair Value Measurement~~Income Taxes. The FASB issued this ASU ~~modified various disclosure requirements on fair value measurements. Relevant disclosures that were removed, modified and added are~~ as ~~follows:~~


•	~~Removals~~: 1) Amount of and reasons for transfers between Level 1 and Level 2 of the fair value hierarchy, 2) Policy for timing of transfers between levels, and 3) Valuation processes for Level 3 fair value measurements.

•

~~Modifications~~: 1) For investments in certain entities that calculate net asset value, disclosures are required for the timing of liquidation of an investee's assets and the date when restrictions from redemption might lapse, only if the investee has communicated the timing to the reporting entity or publicly announced it and 2) Clarification that the measurement uncertainty disclosure is to communicate information about the uncertainty in measurement as of the reporting date and not possible future changes.

•

~~Additions~~: 1) Changes in unrealized gains and losses for the period included in other comprehensive income for recurring Level 3 fair value measurements held at the end of the reporting period and 2) Range and weighted average of significant unobservable inputs used to develop Level 3 fair value measurements. Alternatively, an entity may disclose other quantitative information (such as the median or arithmetic average) if it determines that it is a more reasonable and rational method to reflect the distribution of unobservable inputs used.

~~Disclosure amendments~~part of its initiative to reduce complexity in accounting standards. The ASU removes certain exceptions in the guidance related to ~~changes in unrealized gains~~investments, intra-period allocations and losses included in other comprehensive income (loss) for Level 3 instruments, the range and weighted average of significant unobservable inputs, and the narrative description of measurement uncertainty were applied prospectively only for the most recent interim ~~or annual~~ period ~~presented. All other disclosure amendments were applied retrospectively to all periods presented.~~

~~Refer to~~ ~~Note 7. Fair Value Measurements~~ ~~for~~allocations. It further ~~disclosures.~~

~~VIE Related Party Guidance~~

~~In October 2018, the FASB issued ASU 2018-17,~~ ~~Consolidation (Topic 810) - Targeted Improvements to Related Party Guidance for Variable Interest Entities.~~ ~~To determine whether a decision-making fee is a variable interest, under the~~adds new guidance related to the allocation of consolidated income taxes and evaluating a ~~reporting entity must consider indirect interests held through related parties under common control on a proportional~~step-up in the tax basis rather than as a direct interest in its entirety (as was previously required under prior GAAP). These amendments create alignment between determining whether a decision making fee is a variable interest and determining whether a reporting entity within a related party group is the primary beneficiary of ~~a VIE. Adoption of this~~goodwill. The ASU did not have a consequential impact ~~Ambac's financial statements.~~

~~| Ambac Financial Group, Inc.~~ 8~~2020 First Quarter FORM 10-Q~~ |

~~Table of Contents~~

~~AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES~~

~~Notes to Unaudited Consolidated Financial Statements~~

~~(Dollar Amounts in Millions, Except Share Amounts)~~

~~Cloud Computing Arrangement Service Contracts~~

~~In August 2018, the FASB issued ASU 2018-15,~~ ~~Intangibles—Goodwill and Other— Internal-Use Software (Subtopic 350-40) - Customer’s Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That Is a Service Contract.~~ The new guidance requires a customer in a cloud computing arrangement that is a service contract to capitalize certain implementation costs as if the arrangement was an internal-use software project. The internal-use software guidance requires the capitalization of certain costs incurred only during the application development stage. That guidance also requires entities to expense costs during the preliminary project and post-implementation stages as they are incurred. Adoption of this ASU did not impacton Ambac's financial statements.

Future Application of Accounting Standards:

Reference Rate Reform

In March 2020, the FASB issued ASU 2020-04, Reference Rate Reform (Topic 848) - Facilitation of the Effects of Reference Rate Reform on Financial Reporting. The ASU provides companies with optional guidance to ease the potential accounting burden related to transitioning away from reference rates, such as LIBOR, that are expected to be discontinued as a result of initiatives undertaken by various jurisdictions around the world. For example, under current GAAP, contract modifications which change a reference rate are required to be evaluated in determining whether the modifications result in the establishment of new contracts or the continuation of existing contracts. The amendments in this ASU provide optional expedients and exceptions for applying GAAP to contracts, hedging relationships, and other transactions affected by reference rate reform if certain criteria are met. The ASU can be applied prospectively as of the beginning of the interim period that includes or is subsequent to March 12, 2020, ~~(January 1, 2020 for calendar year companies)~~ or any date thereafter, but does not apply to contract modifications and other transactions entered into or evaluated after December 31, 2022. Management has not determined ~~if and~~ when it will adopt this ASU, and the impact on Ambac's financial statements is being evaluated.

3. VARIABLE INTEREST ENTITIES

Ambac, with its subsidiaries, has engaged in transactions with variable interest entities ("VIEs,") in various capacities.

•Ambac provides financial guarantees, including credit derivative contracts, for various debt obligations issued by special purpose entities, including VIEs ("FG VIEs");

•Ambac sponsors special purpose entities that issued notes to investors for various purposes; and

•Ambac is an investor in collateralized debt obligations, mortgage-backed and other asset-backed securities issued by VIEs and its ownership interest is generally insignificant to the VIE and/or Ambac does not have rights that direct the activities that are most significant to such VIE.

FG VIEs:

Ambac’s subsidiaries provide financial guarantees in respect of assets held or debt obligations of VIEs. Ambac’s primary variable interest exists through this financial guarantee insurance or credit

derivative contract. The transaction structures provide certain

financial protection to Ambac. Generally, upon deterioration in the performance of a transaction or upon an event of default as specified in the transaction legal documents, Ambac will obtain certain control rights that enable Ambac to remediate losses. These rights may enable Ambac to direct the activities of the entity that most significantly impact the entity’s economic performance. Under athe 2018 Stipulation and Order, ~~the OCI requires Ambac Assurance~~AAC is required to obtain ~~their~~OCI approval with respect to the exercise of certain significant control rights in connection with policies that had previously been allocated to the Segregated Account. Accordingly, ~~Ambac Assurance~~AAC does not have the right to direct the most significant activities of those FG VIEs.

•We determined that Ambac’s subsidiaries generally have the obligation to absorb a FG VIE's expected losses given that they have issued financial guarantees supporting certain liabilities (and in some cases certain assets). As further described below, Ambac consolidates certain FG VIEs in cases where we also have the power to direct the activities that most significantly impact the VIE’s economic performance due to one or more of the following: (i) the transaction experiencing deterioration and breaching performance triggers, giving Ambac the ability to exercise certain control rights, (ii) Ambac being involved in the design of the VIE and receiving control rights from its inception, such as may occur from loss remediation activities, or (iii) the transaction not experiencing deterioration, however due to the passive nature of the VIE, Ambac's contingent control rights upon a future breach of performance triggers is considered to be the power over the most significant activity.

•A VIE is deconsolidated in the period that Ambac no longer has such control rights, which could occur in connection with the execution of remediation activities on the transaction or amortization of insured exposure, either of which may reduce the degree of Ambac’s control over a VIE.

•Assets and liabilities of FG VIEs that are consolidated are reported within Variable interest entity assets or Variable interest entity liabilities on the Consolidated Balance Sheets.

•The election to use the fair value option is made on an instrument by instrument basis. Ambac has elected the fair value option for consolidated FG VIE financial assets and financial liabilities, except in cases where Ambac was involved in the design of the VIE and was granted control rights at its inception.

◦

When the fair value option is elected, changes in the fair value of the FG VIE's financial assets and liabilities are reported within Income (loss) on variable interest entities in the Consolidated Statements of Total Comprehensive Income (Loss), except for the portion of the total change in fair value of financial liabilities caused by changes in the instrument-specific credit risk which is presented separately in Other comprehensive income (loss).


◦	In cases where the fair value option has not been elected, the FG VIE's invested assets are fixed income securities and are considered available-for-sale as defined by the Investments - Debt Securities Topic of the ASC. These assets are reported in the financial statements at fair value with unrealized gains and losses reflected in Accumulated Other Comprehensive Income in Stockholders' Equity.

◦When the fair value option is elected, changes in the fair value of the FG VIE's financial assets and liabilities are reported within Income (loss) on variable interest entities in the Consolidated Statements of Total Comprehensive Income (Loss), except for the portion of the total change in fair value of financial liabilities caused by changes in the instrument-specific credit risk which is presented separately in Other comprehensive income (loss).

◦In cases where the fair value option has not been elected, the FG VIE's invested assets are fixed maturity securities and are considered available-for-sale as defined by the Investments - Debt Securities Topic of the ASC. These assets are reported in the financial statements at fair value

| Ambac Financial Group, Inc. 98 ~~2020~~2021 First Quarter FORM 10-Q|

Table of Contents

AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

(Dollar Amounts in Millions, Except Share Amounts)

with unrealized gains and losses reflected in Accumulated Other Comprehensive Income (Loss) in Stockholders' Equity. The financial liabilities of these FG VIEs consist of long term debt obligations and are carried at par less unamortized discount. Income from the FG VIE's available-for-sale securities (including investment income, realized gains and losses and credit impairments as applicable) and interest expense on long term debt are reported within Income (loss) on variable interest entities in the Consolidated Statements of Total Comprehensive Income (Loss).

•Upon initial consolidation of a FG VIE, Ambac recognizes a gain or loss in earnings for the difference between: (i) the fair value of the consideration paid, the fair value of any non-controlling interests and the reported amount of any previously held interests and (ii) the net amount, as measured on a fair value basis, of the assets and liabilities consolidated. Upon deconsolidation of a FG VIE, ~~we recognize~~Ambac recognizes a gain or loss for the difference between: (i) the fair value of any consideration received, the fair value of any retained non-controlling investment in the VIE and the carrying amount of any non-controlling interest in the VIE and (ii) the carrying amount of the VIE’s assets and liabilities. Gains or losses from consolidation and deconsolidation that are reported in earnings are reported within Income (loss) on variable interest entities on the Consolidated Statements of Total Comprehensive Income (Loss).

•The impact of consolidating such FG VIEs on Ambac’s balance sheet is the elimination of transactions between the consolidated FG VIEs and Ambac’s operating subsidiaries and the inclusion of the FG VIE’s third party assets and liabilities. For a financial guarantee insurance policy issued to a consolidated VIE, Ambac does not reflect the financial guarantee insurance policy in accordance with the related

insurance accounting rules under the Financial Services –

Insurance Topic of the ASC. Consequently, upon consolidation, Ambac eliminates the insurance assets and liabilities associated with the policy from the Consolidated Balance Sheets. Such insurance assets and liabilities may include premium receivables, reinsurance recoverable, deferred ceded premium, subrogation recoverable, unearned premiums, loss and loss expense reserves, ceded premiums payable and insurance intangible assets. For investment securities owned by Ambac that are debt instruments issued by the VIE, the associated debt and investment ~~securities balance is~~balances are eliminated upon consolidation.

FG VIEs which are consolidated may include non-recourse assets or liabilities. FG VIEs' liabilities (and in some cases assets) that are insured by the Company are with recourse, because the Company guarantees the payment of principal and interest in the event the issuer defaults. FG VIEs' assets and liabilities that are not insured by the Company are without recourse, because Ambac has not issued a financial guarantee and is under no obligation for the payment of principal and interest of these instruments. Therefore, the Company’s economic exposure to consolidated FG VIEs is limited to the financial guarantees issued for recourse assets and liabilities and any additional variable interests held by Ambac. Additionally, Ambac’s general creditors, other than those specific policy holders which own the VIE debt obligations, do not have rights with regard to the assets of the VIEs. Ambac evaluates the net income effects and earnings per share effects to determine attributions between Ambac and non-controlling interests as a result of consolidating a VIE. Ambac has determined that the net income and earnings per share effect of consolidated FG VIEs are attributable to Ambac’s interests through financial guarantee premium and loss payments with the VIE.

| Ambac Financial Group, Inc. 109 ~~2020~~2021 First Quarter FORM 10-Q|

Table of Contents

AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

(Dollar Amounts in Millions, Except Share Amounts)

The following table summarizes the carrying values of assets and liabilities, along with other supplemental information related to VIEs that are consolidated as a result of financial guarantees of Ambac UK and ~~Ambac Assurance:~~AAC:


	March 31, 2021						December 31, 2020
	Ambac UK		Ambac Assurance		Total VIEs		Ambac UK		Ambac Assurance		Total VIEs
ASSETS:
Fixed maturity securities, at fair value:
Corporate obligations, fair value option	$	3,103	$	0	$	3,103	$	3,215	$	0	$	3,215
Municipal obligations, available-for-sale (1)	0		133		133		0		139		139
Total FG VIE fixed maturity securities, at fair value	3,103		133		3,236		3,215		139		3,354
Restricted cash	1		1		2		1		1		2
Loans, at fair value (2)	2,948		0		2,948		2,998		0		2,998
Derivative assets	38		0		38		41		0		41
Other assets	0		1		1		0		2		2
Total FG VIE assets	$	6,090	$	135	$	6,225	$	6,255	$	143	$	6,398
LIABILITIES:

Long-term debt:
Long-term debt, at fair value (3)	$	4,264	$	0	$	4,264	$	4,324	$	0	$	4,324
Long-term debt, at par less unamortized discount	0		163		163		0		169		169
Total long-term debt	4,264		163		4,427		4,324		169		4,493
Derivative liabilities	1,739		0		1,739		1,835		0		1,835

Total FG VIE liabilities	$	6,003	$	163	$	6,166	$	6,159	$	169	$	6,328
Number of FG VIEs consolidated	5		1		6		5		1		6

March 31, 2020 December 31, 2019
Ambac UK Ambac Assurance Total VIEs Ambac UK Ambac Assurance Total VIEs
Fixed income securities, at fair value:
Corporate obligations, fair value option $ 2,806
$ —
$ 2,806
$ 2,957
$ —
$ 2,957
Municipal obligations, available-for-sale ⁽¹⁾
—
122
122
—
164
164
Total FG VIE fixed income securities, at fair value 2,806
122
2,928
2,957
164
3,121
Restricted cash 1
1
2
1
1
2
Loans, at fair value⁽²⁾
2,932
—
2,932
3,108
—
3,108
Derivative assets 62
—
62
52
—
52
Other assets —
1
1
1
2
3
Total FG VIE assets $ 5,801
$ 124
$ 5,925
$ 6,119
$ 167
$ 6,286

Accrued interest payable $ —
$ —
$ —
$ 1
$ —
$ 1
Long-term debt:
Long-term debt, at fair value ⁽³⁾
4,092
—
4,092
4,351
—
4,351
Long-term debt, at par less unamortized discount —
171
171
—
203
203
Total long-term debt 4,092
171
4,263
4,351
203
4,554
Derivative liabilities 1,610
—
1,610
1,657
—
1,657
Total FG VIE liabilities $ 5,702
$ 171
$ 5,873
$ 6,009
$ 203
$ 6,212
Number of FG VIEs consolidated 6
1
7
6
1
7

~~(1)~~

~~Available-for-sale FG VIE fixed income securities consist of municipal obligations with an amortized cost basis of $116 and $139, and aggregate gross unrealized gains and (losses) of $6and $25~~(1)Available-for-sale FG VIE fixed maturity securities consist of municipal obligations with an amortized cost basis of $109 and $113, and aggregate gross unrealized gains of $23and $27 at March 31, 2021 and December 31, 2020, ~~and December 31, 2019,~~ respectively. All such securities had contractual maturities due after ten years as of March 31, 2021.

(2)The unpaid principal balances of loan assets carried at fair value were $2,519 as of March 31, 2021 and $2,546 as of December 31, 2020.

(3)The unpaid principal balances of long-term debt carried at fair value were $3,758 as of March 31, 2021 and $3,769 as of December 31, 2020.


~~(2)~~	~~The unpaid principal balances of loan assets carried at fair value were $2,439 as of March 31, 2020 and $2,618 as of December 31, 2019.~~


~~(3)~~	~~The unpaid principal balances of long-term debt carried at fair value were $3,550 as of March 31, 2020 and $3,800 as of December 31, 2019.~~

The following schedule details the components of Income (loss) on variable interest entities for the affected periods:

Three Months Ended March 31,
2020 2019
Net change in fair value of VIE assets and liabilities reported under the fair value option $ —
$ 2
Less: Credit risk changes of fair value option long-term debt reported through other comprehensive income (loss) (4 ) —
Net change in fair value of VIE assets and liabilities reported in earnings (4 ) 2
Investment income on available-for-sale securities 2
2
Net realized investment gains (losses) on available-for-sale securities 8
—
Interest expense on long-term debt carried at par less unamortized cost (2 ) (2 )
Other expenses —
—
Gain (loss) from consolidating FG VIEs —
15
Income (loss) on variable interest entities $ 3
$ 16


Three Months Ended March 31,	2021		2020
Net change in fair value of VIE assets and liabilities reported under the fair value option	$	(1)	$	0
Less: Credit risk changes of fair value option long-term debt reported through other comprehensive income (loss)	1		(4)
Net change in fair value of VIE assets and liabilities reported in earnings	(1)		(4)
Investment income on available-for-sale securities	2		2
Net realized investment gains (losses) on available-for-sale securities	1		8
Interest expense on long-term debt carried at par less unamortized cost	(1)		(2)



Income (loss) on variable interest entities	$	0	$	3

~~As further discussed in~~ ~~Note 7. Financial Guarantee Insurance Contracts~~ in the Notes to Consolidated Financial Statements included Part II, Item 8 in the Company’s Annual Report on Form 10-K for the year ended December 31, 2019, on February 12, 2019, in connection with the COFINA POA, the COFINA Class 2 Trust was established. Ambac was required to consolidate the COFINA Class 2 Trust, which resulted in a gain of $15. The 2019 balance sheet impact of this additional VIE on the date of consolidation was an increase to total consolidated assets and liabilities by $292 and $364, respectively. Ambac did not consolidate any ~~VIE~~new VIEs for the three months ended March 31, 2021, and the three months ended March 31, 2020. Ambac ~~also~~ deconsolidated ~~0 VIE for the three months ended March 31, 2020, and~~ 0 VIEs for the three months ended March 31, ~~2019.~~

2021, and deconsolidated 0 VIEs for the three months ended March 31, 2020.

| Ambac Financial Group, Inc. 1110 ~~2020~~2021 First Quarter FORM 10-Q|

Table of Contents

AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

(Dollar Amounts in Millions, Except Share Amounts)

The following table displays the carrying amount of the assets, liabilities and maximum exposure to loss of Ambac’s variable interests in non-consolidated VIEs resulting from financial guarantee and derivative contracts by major underlying asset classes, as of March 31, ~~2020~~2021 and December 31, ~~2019:~~2020:


	Carrying Value of Assets and Liabilities
	Maximum Exposure To Loss (1)		Insurance Assets (2)		Insurance Liabilities (3)		Net Derivative Assets (Liabilities) (4)
March 31, 2021:
Global structured finance:

Mortgage-backed—residential	$	4,065	$	1,951	$	513	$	0
Other consumer asset-backed	981		23		239		0
Other commercial asset-backed	23		3		1		0
Other	958		0		13		7
Total global structured finance	6,027		1,977		766		7
Global public finance	21,330		266		291		0
Total	$	27,357	$	2,243	$	1,057	$	6

December 31, 2020:
Global structured finance:

Mortgage-backed—residential	$	4,308	$	2,024	$	580	$	0
Other consumer asset-backed	1,050		24		239		0
Other commercial asset-backed	24		3		1		0
Other	970		0		13		8
Total global structured finance	6,352		2,051		834		8
Global public finance	21,646		263		287		0
Total	$	27,998	$	2,314	$	1,122	$	8

Carrying Value of Assets and Liabilities

Maximum
Exposure
To Loss ⁽¹⁾

Insurance
Assets ⁽²⁾

Insurance
Liabilities ⁽³⁾

Net Derivative
Assets (Liabilities) ⁽⁴⁾
March 31, 2020:
Global structured finance:
Mortgage-backed—residential $ 5,063
$ 2,075
$ 609
—
Other consumer asset-backed 1,276
30
235
—
Other commercial asset-backed 100
3
2
—
Other 1,046
6
18
9
Total global structured finance 7,485
2,114
864
9
Global public finance 22,533
285
329
(2 )
Total $ 30,018
$ 2,399
$ 1,193
$ 7

December 31, 2019:
Global structured finance:
Mortgage-backed—residential $ 5,373
$ 1,913
$ 523
$ —
Other consumer asset-backed 1,373
31
216
—
Other commercial asset-backed 314
9
6
—
Other 1,107
7
18
8
Total global structured finance 8,165
1,961
762
8
Global public finance 23,341
287
321
—
Total $ 31,506
$ 2,247
$ 1,083
$ 7
(1)Maximum exposure to loss represents the maximum future payments of principal and interest on insured obligations and derivative contracts. Ambac’s maximum exposure to loss does not include the benefit of any financial instruments (such as reinsurance or hedge contracts) that Ambac may utilize to mitigate the risks associated with these variable interests.


~~(1)~~	Maximum exposure to loss represents the maximum future payments of principal and interest on insured obligations and derivative contracts. Ambac’s maximum exposure to loss does not include the benefit of any financial instruments (such as reinsurance or hedge contracts) that Ambac may utilize to mitigate the risks associated with these variable interests.


~~(2)~~	~~Insurance assets represent the amount included in “Premium receivables” and “Subrogation recoverable” for financial guarantee insurance contracts on Ambac’s Consolidated Balance Sheets.~~


~~(3)~~	Insurance liabilities represent the amount included in “Loss and loss expense reserves” and “Unearned premiums” for financial guarantee insurance contracts on Ambac’s Consolidated Balance Sheets.


~~(4)~~	~~Net derivative assets (liabilities) represent the fair value recognized on credit derivative contracts and interest rate swaps on Ambac’s Consolidated Balance Sheets.~~

(2)Insurance assets represent the amount included in “Premium receivables” and “Subrogation recoverable” for financial guarantee insurance contracts on Ambac’s Consolidated Balance Sheets.

(3)Insurance liabilities represent the amount included in “Loss and loss expense reserves” and “Unearned premiums” for financial guarantee insurance contracts on Ambac’s Consolidated Balance Sheets.

(4)Net derivative assets (liabilities) represent the fair value recognized on credit derivative contracts and interest rate swaps on Ambac’s Consolidated Balance Sheets.

Ambac Sponsored Non-consolidated VIEs:

In 1994, Ambac established a VIE to provide certain financial guarantee clients with funding for their debt obligations. This VIE was established as a separate legal entity, demonstrably distinct from Ambac and that Ambac, its affiliates or its agents could not unilaterally dissolve. The permitted activities of this entity are contractually limited to purchasing assets from Ambac, issuing medium-term notes ("MTNs") to fund such purchases, executing derivative hedges and obtaining financial guarantee policies with respect to indebtedness incurred. Ambac does not consolidate this entity because the exercise of related control rights in such policies remain subject to OCI approval under the Stipulation and Order, as discussed above. Ambac elected to account for its equity interest in this entity at fair value under the fair value option in accordance with the Financial Instruments Topic of the ASC. We believe that the fair value of the investments in this entity provides for greater transparency for recording profit or loss as compared to the equity method under the Investments – Equity Method and Joint Ventures Topic of the ASC. ~~Refer to~~ ~~Note 7. Fair Value Measurements~~ ~~for~~On

~~further information on~~February 22, 2021 the ~~valuation technique~~last investment held, derivative instrument and ~~inputs used to measure the fair value of Ambac’s equity interest~~MTN issued by this entity matured and were paid in ~~this entity.~~full. At March 31, ~~2020~~2021 and December 31, ~~2019~~2020, the fair value of this entity was $3$1 and ~~$3,~~$1, respectively, and is reported within Other assets on the Consolidated Balance Sheets.

Total principal amount of debt outstanding was ~~$378 and $403~~$410 at ~~March 31, 2020 and~~ December 31, 2019, respectively. In each case, Ambac sold assets to this entity, which are composed of utility obligations with a weighted average rating of BBB+ at March 31, 2020 and weighted average life of 0.9 years. The purchase by this entity of financial assets was financed through the issuance of MTNs, which are cross-collateralized by the purchased assets. The MTNs have the same expected weighted average life as the purchased assets. Derivative contracts (interest rate swaps) are used within the entity for economic hedging purposes only. Derivative positions were established at the time MTNs were issued to purchase financial assets. As of March 31, 2020 Ambac Assurance had financial guarantee

2020.

~~| Ambac Financial Group, Inc.~~ 12~~2020 First Quarter FORM 10-Q~~ |

~~Table of Contents~~

~~AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES~~

~~Notes to Unaudited Consolidated Financial Statements~~

~~(Dollar Amounts in Millions, Except Share Amounts)~~

~~insurance policies issued for all assets, MTNs and derivative contracts owned and outstanding by the entity.~~

Insurance premiums paid to Ambac Assurance by this entity are earned in a manner consistent with other insurance policies, over the risk period. Additionally, any losses incurred on such insurance policies are included in Ambac’s Consolidated Statements of Total Comprehensive Income (Loss). Under the terms of an Administrative Agency Agreement, Ambac provides certain administrative duties, primarily collecting amounts due on the obligations and making interest payments on the MTNs.

On August 28, 2014, Ambac monetized its ownership of the junior surplus note issued to it by ~~Ambac Assurance~~AAC by depositing the junior surplus note into the Corolla Trust, a ~~newly formed~~ VIE, ~~trust~~ in exchange for cash and ~~an owner trust certificate,~~the Corolla Certificate, which ~~represents~~represented Ambac's right to residual cash flows from the junior surplus note. Ambac does not consolidate the VIE since it does not have a variable interest in the trust. Ambac ~~reports its owner trust certificate~~reported the Corolla Certificate as an equity investment within Other investments on the Consolidated Balance Sheets with associated results from operations included within Net investment income (loss): Other investments on the Consolidated Statements of Total Comprehensive Income (Loss). ~~The equity investment had a carrying value~~As further described in Note 1. Background and Business

| Ambac Financial Group, Inc. 112021 First Quarter FORM 10-Q |

Table of ~~$47~~Contents

AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

(Dollar Amounts in Millions, Except Share Amounts)

Description, on January 22, 2021, AAC completed the Corolla Note Exchange transaction whereby it acquired 100% of the outstanding Notes of the Corolla Trust and ~~$46 as of March 31, 2020~~the Corolla Certificates for AAC surplus notes and ~~December 31, 2019, respectively.~~subsequently dissolved the Corolla Trust.

On February 12, 2018, Ambac formed a VIE, Ambac LSNI, LLC ("Ambac LSNI"). Ambac LSNI issued Secured Notes in connection with the Rehabilitation Exit Transactions. Ambac does not consolidate the VIE since it does not have a variable

interest in the trust. Ambac reports its holdings of Secured Notes within Fixed ~~Income~~Maturity Securities in the Consolidated Balance Sheets. The carrying value of Secured Notes held by Ambac was ~~$495~~$464 and ~~$535~~$465 at March 31, ~~2020~~2021 and December 31, ~~2019,~~2020, respectively. Ambac's debt obligation to the VIE (the Ambac Note) had a carrying value of ~~$1,685~~$1,626 and ~~$1,763~~$1,641 at March 31, ~~2020~~2021 and December 31, ~~2019,~~2020, respectively, and is reported within Long-term debt on the Consolidated Balance Sheets.

4. COMPREHENSIVE INCOME

The following tables detail the changes in the balances of each component of accumulated other comprehensive income for the affected periods:


	Unrealized Gains (Losses) on Available for Sale Securities (1)		Amortization of Postretirement Benefit (1)		Gain (Loss) on Foreign Currency Translation (1)		Credit Risk Changes of Fair Value Option Liabilities (1) (2)		Total
Three Months Ended March 31, 2021:
Beginning Balance	$	166	$	5	$	(92)	$	0	$	79


Other comprehensive income (loss) before reclassifications	(21)		0		6		0		(15)
Amounts reclassified from accumulated other comprehensive income (loss)	(3)		0		0		(1)		(3)


Net current period other comprehensive income (loss)	(24)		0		6		(1)		(18)
Balance at March 31, 2021	$	142	$	5	$	(86)	$	(1)	$	61

Three Months Ended March 31, 2020:
Beginning Balance	$	151	$	8	$	(116)	$	(2)	$	42


Other comprehensive income (loss) before reclassifications	(139)		(2)		(46)		0		(187)
Amounts reclassified from accumulated other comprehensive income (loss)	(7)		0		0		3		(4)


Net current period other comprehensive income (loss)	(146)		(2)		(46)		3		(191)
Balance at March 31, 2020	$	5	$	6	$	(162)	$	2	$	(149)

Unrealized Gains
(Losses) on
Available for
Sale Securities ⁽¹⁾

Amortization of
Postretirement
Benefit ⁽¹⁾

Gain (Loss) on
Foreign Currency
Translation ⁽¹⁾

Credit Risk Changes of Fair Value Option Liabilities ^{(1) (2)}
Total
Three Months Ended March 31, 2020:
Beginning Balance $ 151
$ 8
$ (116 ) $ (2 ) $ 42
Other comprehensive income (loss) before reclassifications (139 ) (2 ) (46 ) —
(187 )
Amounts reclassified from accumulated other comprehensive income (loss) (7 ) —
—
3
(4 )
Net current period other comprehensive income (loss) (146 ) (2 ) (46 ) 3
(191 )
Balance at March 31, 2020 $ 5
$ 6
$ (162 ) $ 2
$ (149 )

Three Months Ended March 31, 2019:
Beginning Balance $ 86
$ 9
$ (142 ) $ (2 ) $ (49 )
Other comprehensive income (loss) before reclassifications 73
1
15
—
89
Amounts reclassified from accumulated other comprehensive income (loss) (17 ) —
—
—
(17 )
Net current period other comprehensive income (loss) 56
—
15
—
71
Balance at March 31, 2019 $ 142
$ 9
$ (127 ) $ (2 ) $ 23
(1)All amounts are net of tax and noncontrolling interest. Amounts in parentheses indicate reductions to Accumulated Other Comprehensive Income.

(2)Represents the changes in fair value attributable to instrument-specific credit risk of liabilities for which the fair value option is elected.

~~(1)~~

~~All amounts are net of tax and noncontrolling interest. Amounts in parentheses indicate reductions to Accumulated Other Comprehensive Income.~~

~~(2)~~

~~Represents the changes in fair value attributable to instrument-specific credit risk of liabilities for which the fair value option is elected.~~

| Ambac Financial Group, Inc. 1312 ~~2020~~2021 First Quarter FORM 10-Q|

Table of Contents

AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

(Dollar Amounts in Millions, Except Share Amounts)

The following table details the significant amounts reclassified from each component of accumulated other comprehensive income, shown in the above rollforward tables, for the affected periods:


Details about Accumulated Other Comprehensive Income Components	Amount Reclassified from Accumulated Other Comprehensive Income				Affected Line Item in the Consolidated Statement of Total Comprehensive Income (Loss)
	Three Months Ended March 31,
	2021		2020
Unrealized Gains (Losses) on Available-for-Sale Securities
	$	(2)	$	(8)		Net realized investment gains (losses)
	(1)		1			Provision for income taxes
	$	(3)	$	(7)		Net of tax and noncontrolling interest
Amortization of Postretirement Benefit
Prior service cost	$	0	$	0		Other income
Actuarial (losses)	0		0			Other income
	0		0			Total before tax
	0		0			Provision for income taxes
	$	0	$	0		Net of tax and noncontrolling interest
Credit risk changes of fair value option liabilities
	$	(1)	$	4		Credit risk changes of fair value option liabilities
	0		(1)			Provision for income taxes
	$	(1)	$	3		Net of tax and noncontrolling interest
Total reclassifications for the period	$	(3)	$	(4)		Net of tax and noncontrolling interest

Details about Accumulated
Other Comprehensive
Income Components
Amount Reclassified from Accumulated Other Comprehensive Income Affected Line Item in the
Consolidated Statement of
Total Comprehensive Income (Loss)
Three Months Ended March 31,
2020 2019
Unrealized Gains (Losses) on Available-for-Sale Securities
$ (8 ) $ (17 ) Net realized investment gains (losses) and other-than-temporary impairment losses
1
(1 ) Provision for income taxes
$ (7 ) $ (17 ) Net of tax and noncontrolling interest
Amortization of Postretirement Benefit
Prior service cost $ —
$ —

Other income
Actuarial (losses) —
—

Other income
—
—
Total before tax
—
—
Provision for income taxes
$ —
$ —
Net of tax and noncontrolling interest
Credit risk changes of fair value option liabilities
$ 4
$ —
Credit Risk Changes of Fair Value Option Liabilities
(1 ) —
Provision for income taxes
$ 3
$ —
Net of tax and noncontrolling interest
Total reclassifications for the period $ (4 ) $ (17 ) Net of tax and noncontrolling interest

5. NET INCOME PER SHARE

As of March 31, ~~2020, 45,779,023~~2021, 46,197,102 shares of ~~Ambac's~~AFG's common stock (par value $0.01) and warrants entitling holders to acquire up to ~~4,877,749~~4,877,693 shares of new common stock at an exercise price of $16.67 per share were issued and outstanding. Common shares outstanding increased by ~~223,623~~387,963 during the three months ended March 31, ~~2020,~~2021, primarily due to settlements of employee restricted and performance stock units.

~~Basic~~The numerator of the basic and diluted earnings per share computation represents net income ~~per share~~(loss) attributable to common stockholders adjusted by the retained earnings impact of the noncontrolling adjustment to redemption value under ASC 480. The redemption value adjustment is ~~computed by dividing~~further described Redeemable Noncontrolling Interest section of Note 2. Basis of Presentation and Significant Accounting Policies,

The following table provides a reconciliation of net income attributable to common stockholders byto the ~~weighted-average number~~numerator in the basic and diluted earnings per share calculation, together with the resulting earnings per share amounts:


Three Months Ended March 31,	2021		2020
Net income (loss) attributable to common stockholders	$	17	$	(280)
Adjustment to redemption value (ASC 480)	$	(13)	—
Numerator of basic and diluted EPS	$	4	$	(280)
Per Share:
Basic	$	0.08	$	(6.07)
Diluted	$	0.08	$	(6.07)

The denominator of the basic earnings per share computation represents the weighted average common shares outstanding ~~and~~plus vested restricted stock units (together, "Basic Weighted Average Shares Outstanding"). ~~Diluted net income~~The denominator of diluted earnings per share ~~is computed by dividing net income attributable to common stockholders by~~adjusts the ~~Basic Weighted Average Shares Outstanding plus~~basic weighted average shares outstanding for all potential dilutive common shares outstanding during the period. All potential dilutive common shares outstanding consider common stock deliverable pursuant to warrants, ~~vested and unvested options,~~ unvested restricted stock units and performance stock units granted under ~~employee and director~~existing compensation plans.

The following table provides a reconciliation of the ~~common~~weighted average shares denominator used for basic net income per share to the ~~diluted shares~~denominator used for diluted net income per share:


Three Months Ended March 31,	2021	2020
Basic weighted average shares outstanding denominator	46,314,049	46,060,324
Effect of potential dilutive shares (1):
Stock options	0	0
Warrants	214,904	0
Restricted stock units	121,215	0
Performance stock units (2)	207,896	0
Diluted weighted average shares outstanding denominator	46,858,064	46,060,324
Anti-dilutive shares excluded from the above reconciliation:
Stock options	0	16,667
Warrants	0	4,877,749
Restricted stock units	165,529	236,189
Performance stock units (2)	0	738,039

(1) For the three months ended March 31, 2020, Ambac had a net loss and accordingly excluded all potentially dilutive securities from the

Three Months Ended March 31,
2020 2019
Basic weighted average shares outstanding 46,060,324
45,832,297
Effect of potential dilutive shares ⁽¹⁾:

Stock options —
—
Warrants —
—
Restricted stock units —
—
Performance stock units ⁽²⁾
—
—
Diluted weighted average shares outstanding 46,060,324
45,832,297
Anti-dilutive shares excluded from the above reconciliation:
Stock options 16,667
16,667
Warrants 4,877,749
4,877,783
Restricted stock units 236,189
271,763
Performance stock units ⁽²⁾
738,039
478,739


~~(1)~~	~~For the three months ended March 31, 2020~~ ~~and the~~ ~~three months ended March 31, 2019, Ambac had a net loss and accordingly excluded all potentially dilutive securities from the determination of diluted loss per share as their impact was anti-dilutive.~~


~~(2)~~	Performance stock units are reflected based on the performance metrics through the balance sheet date. Vesting of these units is contingent upon meeting certain performance metrics. Although a portion of these performance metrics have been achieved as of the respective period end, it is possible that awards may no longer meet the metric at the end of the performance period.

| Ambac Financial Group, Inc. 1413 ~~2020~~2021 First Quarter FORM 10-Q|

Table of Contents

AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

(Dollar Amounts in Millions, Except Share Amounts)

determination of diluted loss per share as their impact was anti-dilutive.

(2) Performance stock units are reflected based on the performance metrics through the balance sheet date. Vesting of these units is contingent upon meeting certain performance metrics. Although a portion of these performance metrics have been achieved as of the respective period end, it is possible that awards may no longer meet the metric at the end of the performance period.

6. FINANCIAL GUARANTEE INSURANCE CONTRACTS

Amounts presented in this Note relate only to Ambac’s non-derivative insurance business for insurance policies issued to beneficiaries, including VIEs, for which we do not consolidate the VIE.

Net Premiums Earned:

Gross premiums are received either upfront or in installments. For premiums received upfront, an unearned premium revenue (“UPR”) liability is established, which is initially recorded as the cash amount received. For installment premium transactions, a premium receivable asset and offsetting UPR liability is initially established in an amount equal to: (i) the present value of future contractual premiums due (the “contractual” method) or (ii) if the assets underlying the insured obligation are homogenous pools which are contractually prepayable, the present value of premiums to be collected over the expected life of the transaction (the “expected” method). An appropriate risk-free rate corresponding to the weighted average life of each policy and currency is used to discount the future premiums contractually due or expected to be collected. For example, U.S. dollar exposures are discounted using U.S. Treasury rates. The weighted average risk-free rate at March 31, ~~2020~~2021 and December 31, ~~2019,~~2020, was 2.2% and ~~2.4%~~2.2%, respectively, and the weighted average period of future premiums used to estimate the premium receivable at March 31, ~~2020~~2021 and December 31, ~~2019,~~2020, was ~~8.7~~8.3 years and ~~8.5~~8.3 years years, respectively.

Below is the gross premium receivable roll-forward (direct and assumed contracts) for the ~~respective periods, net~~affected periods:


Three Months Ended March 31,	2021		2020
Beginning premium receivable	$	370	$	416
Adjustment to initially apply ASU 2016-13	—		(3)

Premium receipts	(12)		(12)
Adjustments for changes in expected and contractual cash flows (1)	(8)		10
Accretion of premium receivable discount	2		2

Changes to allowance for credit losses	4		(2)
Other adjustments (including foreign exchange)	0		(8)
Ending premium receivable (2)	$	356	$	403

(1) Adjustments for changes in expected and contractual cash flows primarily due to reductions in insured exposure as a result of ~~allowance for credit losses:~~early policy terminations and unscheduled principal paydowns.

(2) Premium receivable includes premiums to be received in foreign denominated currencies most notably in British Pounds and Euros. At March 31, 2021 and 2020, premium receivables include British

Three Months Ended March 31,
2020 2019
Beginning premium receivable $ 416
$ 495
Adjustment to initially apply ASU 2016-13 (3 ) —
Premium receipts (12 ) (13 )
Adjustments for changes in expected and contractual cash flows ⁽¹⁾
10
—
Accretion of premium receivable discount 2
3
Changes to allowance for credit losses (2 ) —
Other adjustments (including foreign exchange) (8 ) 2
Ending premium receivable⁽²⁾
$ 403
$ 487
Pounds of $122 (£89) and $128 (£103), respectively, and Euros of $21 (€18) and $24 (€22), respectively.


~~(1)~~	Adjustments for changes in expected and contractual cash flows primarily due to changes in indexation rates on certain UK transactions partially offset by reductions in insured exposure as a result of early policy terminations and unscheduled principal paydowns.


~~(2)~~	Premium receivable includes premiums to be received in foreign denominated currencies most notably in British Pounds and Euros. At March 31, 2020 and 2019, premium receivables include British Pounds of $128 (£103) and $142 (£109), respectively, and Euros of $24 (€22) and $30 (€27), respectively.

When a bond issue insured by ~~Ambac Assurance~~AAC has been retired early ~~typically due to an issuer call,~~ any remaining UPR is recognized at that time to the extent the financial guarantee contract is legally extinguished, causing accelerated premium revenue. For installment premium paying transactions, we offset the recognition of any remaining UPR by the reduction of the related premium receivable to zero (as it will not be collected as a result of the retirement), which may cause negative accelerated premium revenue. Ambac’s accelerated premium revenue for retired obligations for the three months ended March 31, ~~2020~~2021 and ~~2019~~2020, was less than a million dollars ~~and $12, respectively.~~in both periods.

The effect of reinsurance on premiums written and earned ~~for the respective periods~~ was as follows:


	Three Months Ended March 31,
	2021				2020
	Written		Earned		Written		Earned
Direct	$	(2)	$	17	$	11	$	13
Assumed	0		0		0		1
Ceded	7		3		(1)		3
Net premiums	$	(9)	$	14	$	12	$	10

Three Months Ended March 31,
2020 2019
Written Earned Written Earned
Direct $ 11
$ 13
$ 3
$ 29
Assumed —
1
—
—
Ceded (1 ) 3
(1 ) 2
Net premiums $ 12
$ 10
$ 4
$ 28

The following table summarizes net premiums earned by location of ~~risk for~~risk:


Three Months Ended March 31,	2021		2020
United States	$	7	$	7
United Kingdom	3		4
Other international	3		0
Total	$	14	$	10

The table below summarizes the ~~respective periods:~~

Three Months Ended March 31,
2020 2019
United States $ 7
$ 28
United Kingdom 4
4
Other international —
(5 )
Total $ 10
$ 28

future gross undiscounted premiums to be collected and future premiums earned, net of reinsurance at March 31, 2021:

| Ambac Financial Group, Inc. 1514 ~~2020~~2021 First Quarter FORM 10-Q|

Table of Contents

AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

(Dollar Amounts in Millions, Except Share Amounts)


	Future Premiums to be Collected (1)		Future Premiums to be Earned Net of Reinsurance (2)
Three months ended:

June 30, 2021	$	8	$	8
September 30, 2021	9		8
December 31, 2021	8		8
Twelve months ended:
December 31, 2022	34		31
December 31, 2023	33		29
December 31, 2024	32		28
December 31, 2025	30		26
Five years ended:
December 31, 2030	129		110
December 31, 2035	90		71
December 31, 2040	42		29
December 31, 2045	19		11
December 31, 2050	7		4
December 31, 2055	1		0


Total	$	443	$	364

~~The table below summarizes the future gross undiscounted~~(1)Future premiums to be collected are undiscounted, gross of allowance for credit losses, and ~~future~~are used to derive the discounted premium receivable asset recorded on Ambac's balance sheet.

(2)Future premiums to be earned, net of reinsurance ~~at March~~relate to the unearned premiums liability and deferred ceded premium asset recorded on Ambac’s balance sheet. The use of contractual lives for many bond types which do not have homogeneous pools of underlying collateral is required in the calculation of the premium receivable, as further described in Note 2. Basis of Presentation and

Significant Accounting Policies in the Notes to Consolidated Financial Statements included in Ambac's Annual Report on Form 10-K for the year ended December 31, ~~2020:~~2020. This results in a different premium receivable balance than if expected lives were considered. If installment paying policies are retired or prepay early, premiums reflected in the premium receivable asset and amounts reported in the above table for such policies may not be collected. Future premiums to be earned also considers the use of contractual lives for many bond types which do not have homogeneous pools of underlying collateral, which may result in different unearned premium than if expected lives were considered. If those bonds types are retired early, premium earnings may be negative in the period of call or refinancing.

Future Premiums
to be
Collected ⁽¹⁾

Future
Premiums to
be Earned Net of
Reinsurance ⁽²⁾
Three months ended:
June 30, 2020 $ 12
$ 10
September 30, 2020 10
10
December 31, 2020 10
10
Twelve months ended:
December 31, 2021 37
36
December 31, 2022 35
34
December 31, 2023 34
32
December 31, 2024 32
30
Five years ended:
December 31, 2029 142
125
December 31, 2034 104
83
December 31, 2039 52
38
December 31, 2044 23
14
December 31, 2049 9
5
December 31, 2054 1
1
Total $ 501
$ 428


~~(1)~~	~~Future premiums to be collected are undiscounted, gross of allowance for credit losses, and are used to derive the discounted premium receivable asset recorded on Ambac's balance sheet.~~

~~(2)~~

Future premiums to be earned, net of reinsurance relate to the unearned premiums liability and deferred ceded premium asset recorded on Ambac’s balance sheet. The use of contractual lives for many bond types which do not have homogeneous pools of underlying collateral is required in the calculation of the premium receivable, as further described in Note 2. Basis of Presentation and Significant Accounting Policies in the Notes to Consolidated Financial Statements included in Ambac's Annual Report on Form 10-K for the year ended December 31, 2019. This results in a different premium receivable balance than if expected lives were considered. If installment paying policies are retired or prepay early, premiums reflected in the premium receivable asset and amounts reported in the above table for such policies may not be collected. Future premiums to be earned also considers the use of contractual lives for many bond types which do not have homogeneous pools of underlying collateral, which may result in different unearned premium than if expected lives were considered. If those bonds types are retired early, premium earnings may be negative in the period of call or refinancing.

Credit ~~impairment (Premium receivables and reinsurance recoverables):~~Impairment for Premium Receivables:

Management evaluates premium receivables ~~and reinsurance recoverables~~ for expected credit losses ("credit impairment") in accordance with the ~~new~~ CECL standard adopted January 1, 2020, which is further described in Note 2. Basis of Presentation and Significant Accounting Policies. in the Notes to Consolidated Financial Statements included in Ambac's Annual Report on Form 10-K for the year ended December 31, 2020. Management's evaluation of credit impairment under prior GAAP rules was not materially different.

~~Most credit impairment disclosures below were only made prospectively from the CECL adoption date as they were not required under prior GAAP rules.~~

As further discussed in Note 2. Basis of Presentation and Significant Accounting Policies, in the Notes to Consolidated Financial Statements included in Ambac's Annual Report on Form 10-K for the year ended December 31, 2020, the key indicator management uses to assess the credit quality of premium receivables is Ambac's internal risk classifications for the insured obligation determined by the Risk Management Group. Below is the amortized cost basis of premium receivables by risk classification code and asset class as of March 31, 2021 and December 31, 2020:

Surveillance Categories as of March 31, 2020
Type of Guaranteed Bond I IA II III IV Total
Public Finance:
Housing revenue $ 162
$ 13
$ —
$ —
$ —
$ 175
Other 16
—
—
—
—
16
Total Public Finance 178
13
—
—
—
191

Structured Finance:
Mortgage-backed and home equity 4
—
1
3
18
26
Structured insurance 19
—
—
—
—
19
Student loan 4
—
3
13
—
19
Other 6
—
—
—
—
6
Total Structured Finance 32
—
4
16
18
70

International:
Sovereign/sub-sovereign 86
13
—
14
—
113
Investor-owned and public utilities 29
—
—
—
—
29
Other 15
—
—
—
—
15
Total International 130
13
—
14
—
157
Total⁽¹⁾
$ 340
$ 26
$ 4
$ 30
$ 18
$ 417

| Ambac Financial Group, Inc. 1615 ~~2020~~2021 First Quarter FORM 10-Q|

Table of Contents

AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

(Dollar Amounts in Millions, Except Share Amounts)


Surveillance Categories as of March 31, 2021
Type of Guaranteed Bond	I		IA		II		III		IV		Total
Public Finance:
Housing revenue	$	152	$	13	$	0	$	0	$	0	$	165
Other	2		0		0		0		0		2
Total Public Finance	154		13		0		0		0		167

Structured Finance:
Mortgage-backed and home equity	2		0		1		3		14		20
Structured insurance	14		0		0		0		0		14
Student loan	2		0		2		10		0		14
Other	7		0		0		0		0		7
Total Structured Finance	25		0		3		13		14		55

International:
Sovereign/sub-sovereign	86		12		0		12		0		111
Investor-owned and public utilities	30		0		0		0		0		30
Other	6		0		0		0		0		6
Total International	123		12		0		12		0		148
Total (1)	$	302	$	25	$	3	$	25	$	14	$	369

Surveillance Categories as of December 31, 2020
Type of Guaranteed Bond	I		IA		II		III		IV		Total
Public Finance:
Housing revenue	$	155	$	13	$	0	$	0	$	0	$	168
Other	2		15		0		0		0		17
Total Public Finance	157		27		0		0		0		185

Structured Finance:
Mortgage-backed and home equity	3		0		1		3		15		22
Structured insurance	14		0		0		0		0		14
Student loan	3		0		2		11		0		16
Other	7		0		0		0		0		7
Total Structured Finance	27		0		3		14		15		59

International:
Sovereign/sub-sovereign	82		13		0		13		0		108
Investor-owned and public utilities	31		0		0		0		0		31
Other	5		0		0		0		0		5
Total International	118		13		0		13		0		144
Total (1)	$	302	$	40	$	3	$	27	$	15	$	387

(1) The underwriting origination dates for all policies included are greater than five years prior to the current reporting date.

Below is a rollforward of the premium receivable allowance for credit losses as of March 31, 2021 and 2020:


Three Months Ended March 31,	2021		2020
Beginning balance (1)	$	17	$	9
Current period provision (2)	(4)		5
Write-offs of the allowance	0		0
Recoveries of previously written-off amounts	0		0
Ending balance	$	13	$	14

Beginning balance ⁽¹⁾
$ 9
Current period provision ⁽²⁾
5
Write-offs of the allowance —
Recoveries of previously written-off amounts —
Ending balance $ 14


~~(1)~~	~~At December 31, 2019, $9 of premiums receivable were deemed uncollectible as determined under prior GAAP rules.~~


~~(2)~~	~~Includes $3from the adoption of ASU 2016-13 on January 1, 2020.~~

(1)At December 31, 2019, $9 of premiums receivable were deemed uncollectible as determined under prior GAAP rules.

(2)The three months ended March 31, 2020, includes $3 from the adoption of CECL.

At March 31, 2021 and December 31, 2020, Ambac had past due premiums of ~~$1,~~less than a million, of which $1less than a million was over 120 days past due and has been included in the allowance for credit losses.

~~The key indicator management uses~~

| Ambac Financial Group, Inc. 162021 First Quarter FORM 10-Q |

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AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES

Notes to assess the credit quality of reinsurance recoverables is collateral posted by the reinsurers and independent rating agency credit ratings. For all reinsurance contracts where Ambac has recorded a recoverable, the fair value of collateral posted by the reinsurer to Ambac Assurance exceeds Ambac Assurance's reinsurance recoverable carrying value, net of ceded premiums payable. As a result, Ambac Assurance has no net credit exposure and there is 0 allowance for credit losses at March 31, 2020.Unaudited Consolidated Financial Statements

(Dollar Amounts in Millions, Except Share Amounts)

Loss and Loss Expense Reserves:

Ambac’s loss and loss expense reserves (“loss reserves”) are based on management’s on-going review of the financial guarantee credit portfolio. Below are the components of the loss reserves liability and the Subrogation recoverable asset at March 31, ~~2020~~2021 and December 31, ~~2019:~~2020:


	March 31, 2021:								December 31, 2020:
	Present Value of Expected Net Cash Flows				Unearned Premium Revenue		Gross Loss and Loss Expense Reserves		Present Value of Expected Net Cash Flows				Unearned Premium Revenue		Gross Loss and Loss Expense Reserves
Balance Sheet Line Item	Claims and Loss Expenses		Recoveries						Claims and Loss Expenses		Recoveries
Loss and loss expense reserves	$	1,831	$	(102)	$	(67)	$	1,662	$	2,060	$	(229)	$	(72)	$	1,759
Subrogation recoverable	99		(2,175)		0		(2,076)		100		(2,256)		0		(2,156)
Totals	$	1,930	$	(2,277)	$	(67)	$	(414)	$	2,160	$	(2,486)	$	(72)	$	(397)

March 31, 2020: December 31, 2019:
Present Value of Expected
Net Cash Flows Unearned
Premium
Revenue Gross Loss and
Loss Expense
Reserves Present Value of Expected
Net Cash Flows Unearned
Premium
Revenue Gross Loss and
Loss Expense
Reserves
Balance Sheet Line Item Claims and
Loss Expenses Recoveries Claims and
Loss Expenses Recoveries
Loss and loss expense reserves $ 2,112
$ (245 ) $ (70 ) $ 1,797
$ 1,835
$ (233 ) $ (54 ) $ 1,548
Subrogation recoverable 135
(2,327 ) —
(2,192 ) 131
(2,160 ) —
(2,029 )
Totals $ 2,247
$ (2,572 ) $ (70 ) $ (395 ) $ 1,966
$ (2,394 ) $ (54 ) $ (482 )

Below is the loss ~~reserves~~and loss reserve expense roll-forward, net of subrogation recoverable and reinsurance, for the affected periods:

Three Months Ended March 31,
2020 2019
Beginning gross loss and loss expense reserves $ (482 ) $ (107 )
Reinsurance recoverable 26
23
Beginning balance of net loss and loss expense reserves (508 ) (130 )
Losses and loss expenses (benefit):
Current year 27
1
Prior years 90
12
Total ^{(1) (2)}
117
12
Loss and loss expenses paid (recovered):
Current year —
—
Prior years 39
64
Total 39
64
Foreign exchange effect —
6
Ending net loss and loss expense reserves (430 ) (176 )
Impact of VIE consolidation —
(72 )
Reinsurance recoverable ⁽³⁾
35
26
Ending gross loss and loss expense reserves $ (395 ) $ (222 )


Three Months Ended March 31,	2021		2020
Beginning gross loss and loss expense reserves	$	(397)	$	(482)
Reinsurance recoverable	33		26
Beginning balance of net loss and loss expense reserves	(430)		(508)
Losses and loss expenses (benefit):
Current year	0		27
Prior years	8		90
Total (1) (2)	8		117
Loss and loss expenses paid (recovered):
Current year	0		0
Prior years	25		39
Total	25		39
Foreign exchange effect	0		0
Ending net loss and loss expense reserves	(447)		(430)

Reinsurance recoverable (3)	33		35
Ending gross loss and loss expense reserves	$	(414)	$	(395)


~~(1)~~	~~Total losses and loss expenses (benefit) includes $(10) and $(5) for the three months ended March 31, 2020 and 2019, respectively, related to ceded reinsurance.~~


~~(2)~~	Ambac records the impact of estimated recoveries related to securitized loans in RMBS transactions that breached certain representations and warranties ("R&W"s) by transaction sponsors within losses and loss expenses (benefit). The losses and loss expense (benefit) incurred associated with changes in estimated R&Ws for the three months ended March 31, 2020 and 2019 was $(36) and $4, respectively.


~~(3)~~	Represents reinsurance recoverable on future loss and loss expenses. Additionally, the Balance Sheet line "Reinsurance recoverable on paid and unpaid losses" includes reinsurance recoverables (payables) of $1 and $1 as of March 31, 2020 and 2019, respectively, related to previously presented loss and loss expenses and subrogation.

(1)Total losses and loss expenses (benefit) includes $(1) and $(10) for the three months ended March 31, 2021 and 2020, respectively, related to ceded reinsurance.

(2)Ambac records the impact of estimated recoveries related to securitized loans in RMBS transactions that breached certain representations and warranties ("R&W's) by transaction sponsors within losses and loss expenses (benefit). The losses and loss expense (benefit) incurred associated with changes in estimated R&W's for the three months ended March 31, 2021 and 2020, was $3 and $(36), respectively.

(3)Represents reinsurance recoverable on future loss and loss expenses. Additionally, the Balance Sheet line "Reinsurance recoverable on paid and unpaid losses" includes reinsurance recoverables (payables) of $0 and $1 as of March 31, 2021 and 2020, respectively, related to previously presented loss and loss expenses and subrogation.

For 2021, the adverse development in prior years was primarily due to deterioration of Puerto Rico credits as discussed below in the section, "Puerto Rico."

For 2020, the adverse development in prior years was primarily a result of deterioration in Public Finance credits, primarily Puerto Rico, partially offset by positive development in the RMBS portfolio.

~~For 2019, the adverse development in prior years was primarily a result of deterioration in Public Finance credits, partially offset by positive development in the RMBS and Ambac UK portfolios.~~

| Ambac Financial Group, Inc. 17 ~~2020~~2021 First Quarter FORM 10-Q|

Table of Contents

AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

(Dollar Amounts in Millions, Except Share Amounts)

The tables below summarize information related to policies currently included in Ambac’s loss and loss expense reserves or subrogation recoverable at March 31, ~~2020~~2021 and December 31, ~~2019.~~2020. Gross par exposures include capital appreciation bonds which are reported at the par amount at the time of issuance of the insurance policy as opposed to the current accreted value of the bond. The weighted average risk-free rate used to discount loss reserves at March 31, ~~2020~~2021 and December 31, ~~2019~~ 2020,was ~~0.9%~~1.8% and ~~2.1%~~1.1%, respectively.


Surveillance Categories as of March 31, 2021
	I		IA		II		III		IV		V		Total
Number of policies	36		25		17		15		131		5		229
Remaining weighted-average contract period (in years) (1)	10		18		8		16		13		7		15
Gross insured contractual payments outstanding:
Principal	$	738	$	1,158	$	599	$	1,421	$	3,124	$	47	$	7,087
Interest	255		1,078		479		199		1,376		25		3,413
Total	$	994	$	2,236	$	1,078	$	1,620	$	4,500	$	72	$	10,500
Gross undiscounted claim liability	$	3	$	49	$	41	$	581	$	1,498	$	72	$	2,245
Discount, gross claim liability	0		(4)		(1)		(138)		(224)		(5)		(372)
Gross claim liability before all subrogation and before reinsurance	3		46		40		443		1,274		67		1,872
Less:
Gross RMBS subrogation (2)	0		0		0		0		(1,749)		0		(1,749)
Discount, RMBS subrogation	0		0		0		0		2		0		2
Discounted RMBS subrogation, before reinsurance	0		0		0		0		(1,748)		0		(1,748)
Less:
Gross other subrogation (3)	0		0		0		(36)		(510)		(12)		(559)
Discount, other subrogation	0		0		0		2		25		2		30
Discounted other subrogation, before reinsurance	0		0		0		(34)		(485)		(10)		(530)
Gross claim liability, net of all subrogation and discounts, before reinsurance	3		46		40		409		(959)		56		(405)
Less: Unearned premium revenue	(2)		(14)		(5)		(16)		(29)		(1)		(67)
Plus: Loss expense reserves	2		0		1		5		49		0		57
Gross loss and loss expense reserves	$	2	$	32	$	36	$	398	$	(938)	$	56	$	(414)
Reinsurance recoverable reported on Balance Sheet (4)	$	0	$	7	$	10	$	24	$	(8)	$	0	$	33

Surveillance Categories as of March 31, 2020
I IA II III IV V Total
Number of policies 33
22
14
16
136
3
224
Remaining weighted-average contract period (in years) ⁽¹⁾
24
21
9
17
15
2
15
Gross insured contractual payments outstanding:
Principal $ 727
$ 483
$ 607
$ 1,524
$ 3,667
$ 37
$ 7,046
Interest 394
507
512
326
1,608
11
3,358
Total $ 1,121
$ 991
$ 1,119
$ 1,850
$ 5,275
$ 48
$ 10,404
Gross undiscounted claim liability $ 18
$ 44
$ 41
$ 521
$ 1,778
$ 48
$ 2,450
Discount, gross claim liability (1 ) (2 ) (1 ) (71 ) (184 ) —
(259 )
Gross claim liability before all subrogation and before reinsurance 17
42
41
450
1,594
47
2,191
Less:
Gross RMBS subrogation⁽²⁾
—
—
—
—
(1,771 ) —
(1,771 )
Discount, RMBS subrogation —
—
—
—
7
—
7
Discounted RMBS subrogation, before reinsurance —
—
—
—
(1,764 ) —
(1,764 )
Less:
Gross other subrogation⁽³⁾
—
—
—
(39 ) (777 ) (13 ) (829 )
Discount, other subrogation —
—
—
1
18
1
21
Discounted other subrogation, before reinsurance —
—
—
(38 ) (759 ) (11 ) (809 )
Gross claim liability, net of all subrogation and discounts, before reinsurance 17
42
41
412
(929 ) 36
(381 )
Less: Unearned premium revenue (2 ) (9 ) (5 ) (19 ) (34 ) —
(70 )
Plus: Loss expense reserves —
1
1
4
50
—
55
Gross loss and loss expense reserves $ 15
$ 34
$ 36
$ 397
$ (914 ) $ 36
$ (395 )
Reinsurance recoverable reported on Balance Sheet ⁽⁴⁾
$ —
$ 6
$ 9
$ 27
$ (7 ) $ —
$ 36

(1)Remaining weighted-average contract period is weighted based on projected gross claims over the lives of the respective policies.


~~(1)~~	~~Remaining weighted-average contract period is weighted based on projected gross claims over the lives of the respective policies.~~


~~(2)~~	~~RMBS subrogation represents Ambac’s estimate of subrogation recoveries from RMBS transaction sponsors for R&W breaches.~~


~~(3)~~	~~Other subrogation represents subrogation related to excess spread and other contractual cash flows on public finance and structured finance transactions, including RMBS.~~


~~(4)~~	Reinsurance recoverable reported on the Balance Sheet includes reinsurance recoverables of $35 related to future loss and loss expenses and $1 related to presented loss and loss expenses and subrogation.

(2)RMBS subrogation represents Ambac’s estimate of subrogation recoveries from RMBS transaction sponsors for representation and warranty ("R&W") breaches.

(3)Other subrogation represents subrogation related to excess spread and other contractual cash flows on public finance and structured finance transactions including RMBS.

(4)Reinsurance recoverable reported on the Balance Sheet includes reinsurance recoverables of $33 related to future loss and loss expenses and $0 related to presented loss and loss expenses and subrogation.

| Ambac Financial Group, Inc. 18 ~~2020~~2021 First Quarter FORM 10-Q|

Table of Contents

AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

(Dollar Amounts in Millions, Except Share Amounts)


Surveillance Categories as of December 31, 2020
	I		IA		II		III		IV		V		Total
Number of policies	40		25		15		15		132		5		232
Remaining weighted-average contract period (in years) (1)	10		18		8		16		14		7		14
Gross insured contractual payments outstanding:
Principal	$	842	$	1,375	$	595	$	1,469	$	3,246	$	47	$	7,573
Interest	279		1,011		484		215		1,427		26		3,443
Total	$	1,121	$	2,386	$	1,079	$	1,685	$	4,673	$	72	$	11,016
Gross undiscounted claim liability	$	3	$	49	$	40	$	541	$	1,690	$	72	$	2,395
Discount, gross claim liability	0		(2)		(1)		(85)		(213)		(3)		(303)
Gross claim liability before all subrogation and before reinsurance	3		47		40		456		1,477		69		2,092
Less:
Gross RMBS subrogation (2)	0		0		0		0		(1,753)		0		(1,753)
Discount, RMBS subrogation	0		0		0		0		3		0		3
Discounted RMBS subrogation, before reinsurance	0		0		0		0		(1,751)		0		(1,751)
Less:
Gross other subrogation (3)	0		0		0		(36)		(706)		(12)		(755)
Discount, other subrogation	0		0		0		1		18		1		20
Discounted other subrogation, before reinsurance	0		0		0		(35)		(689)		(11)		(735)
Gross claim liability, net of all subrogation and discounts, before reinsurance	3		47		39		421		(963)		58		(394)
Less: Unearned premium revenue	(2)		(16)		(5)		(17)		(30)		(1)		(72)
Plus: Loss expense reserves	1		2		1		5		59		0		68
Gross loss and loss expense reserves	$	2	$	32	$	35	$	409	$	(933)	$	57	$	(397)
Reinsurance recoverable reported on Balance Sheet (4)	$	0	$	6	$	9	$	24	$	(6)	$	0	$	33

Surveillance Categories as of December 31, 2019
I IA II III IV V Total
Number of policies 34
18
11
16
139
3
221
Remaining weighted-average contract period (in years) ⁽¹⁾
8
21
9
17
14
3
15
Gross insured contractual payments outstanding:
Principal $ 668
$ 510
$ 277
$ 857
$ 3,819
$ 37
$ 6,168
Interest 340
507
128
366
1,678
11
3,029
Total $ 1,007
$ 1,016
$ 404
$ 1,223
$ 5,498
$ 48
$ 9,197
Gross undiscounted claim liability $ 2
$ 44
$ 21
$ 541
$ 1,778
$ 48
$ 2,434
Discount, gross claim liability —
(5 ) (1 ) (152 ) (381 ) (2 ) (541 )
Gross claim liability before all subrogation and before reinsurance 2
39
20
389
1,397
46
1,893
Less:
Gross RMBS subrogation ⁽²⁾
—
—
—
—
(1,777 ) —
(1,777 )
Discount, RMBS subrogation —
—
—
—
49
—
49
Discounted RMBS subrogation, before reinsurance —
—
—
—
(1,727 ) —
(1,727 )
Less:
Gross other subrogation ⁽³⁾
—
—
—
(41 ) (666 ) (13 ) (720 )
Discount, other subrogation —
—
—
4
47
3
53
Discounted other subrogation, before reinsurance —
—
—
(37 ) (620 ) (10 ) (666 )
Gross claim liability, net of all subrogation and discounts, before reinsurance 2
39
20
353
(950 ) 36
(501 )
Less: Unearned premium revenue (1 ) (9 ) (1 ) (7 ) (35 ) —
(54 )
Plus: Loss expense reserves 1
1
1
4
67
—
73
Gross loss and loss expense reserves $ 1
$ 30
$ 20
$ 349
$ (918 ) $ 36
$ (482 )
Reinsurance recoverable reported on Balance Sheet⁽⁴⁾
$ —
$ 6
$ 7
$ 24
$ (10 ) $ —
$ 26


~~(1)~~	(1)Remaining weighted-average contract period is weighted based on projected gross claims over the lives ~~of the respective policies.~~


~~(2)~~	~~RMBS subrogation represents Ambac’s estimate of subrogation recoveries from RMBS transaction sponsors for R&W breaches.~~


~~(3)~~	~~Other subrogation represents subrogation related to excess spread and other contractual cash flows on public finance and structured finance transactions, including RMBS.~~


~~(4)~~	~~Reinsurance recoverable reported on Balance Sheet includes reinsurance recoverables of $26 related to future loss and loss expenses and $0 related to presented loss and loss expenses and subrogation.~~

~~COVID-19~~

~~As a result~~ of the respective policies.

(2)RMBS subrogation represents Ambac’s estimate of subrogation recoveries from RMBS transaction sponsors for R&W breaches.

(3)Other subrogation represents subrogation related to excess spread and other contractual cash flows on public finance and structured finance transactions, including RMBS.

(4)Reinsurance recoverable reported on the Balance Sheet includes reinsurance recoverables of $33 related to future loss and loss expenses and $1 related to presented loss and loss expenses and subrogation.

COVID-19:

In March 2020, the outbreak of COVID-19 ~~related~~pandemic, caused by a novel strain of the coronavirus, was recognized as a pandemic by the World Health Organization, and the outbreak is widespread globally, including in the markets in which we operate. The COVID-19 outbreak had, and continues to have, a notable impact on general economic ~~disruption~~conditions, including but not limited to higher unemployment; volatility in the capital markets; closure or severe curtailment of the operations and, hence, revenues, of many businesses and public and private enterprises to which we are directly or indirectly exposed, such as hotels, restaurants, sports and entertainment facilities, airports and other transportation facilities, and retail establishments, mostly due to social distancing guidelines, travel bans and restrictions, and business restrictions and shutdowns.

COVID-19 has adversely impacted Ambac's financial position and results of operations as credit risk in the insured and

investment portfolios has increased. In the insured portfolio, municipal, mortgage-backed, student loan and other asset securitization exposures could be materially adversely impacted.

In the U.S., significant fiscal stimulus measures, monetary policy actions and other relief measures have helped to moderate the negative economic impacts of COVID-19, and have supported the economic recovery which began in the second half of 2020 and continues into 2021. These measures include the March 2021, $1.9 trillion American Rescue Plan Act or ARPA, which together with other fiscal stimulus measures put in place in 2020, provide for, among other things, funding to state and local governments, direct payments to households, support for small businesses, renter assistance and funding for transport, airlines, healthcare and education. Monetary policy decisions have included quantitative easing and the provision of liquidity to financial institutions and credit markets. In addition, housing measures, such as forbearance on ~~markets~~mortgages and suspension of foreclosures and evictions, and various executive orders have helped to

| Ambac Financial Group, Inc. 192021 First Quarter FORM 10-Q |

Table of Contents

AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

(Dollar Amounts in Millions, Except Share Amounts)

provide relief. Outside of the US, and in the United Kingdom and Italy in particular, where Ambac ~~provides financial guarantees, including lower tax, project,~~has insured portfolio exposure, various monetary policy, fiscal stimulus measures and ~~business revenues~~other actions have also helped to moderate the negative economic impact and ~~increases in forbearances or delinquencies on mortgage~~support recovery.

We are continuously evaluating and ~~student loan payments, we have increased~~updating our ~~loss reserves. The duration and depth~~view of the ~~recession; actions such~~macro economic environment as ~~monetary policy and fiscal stimulus, including the CARES Act in the US that was signed into law on March 27, 2020, and future fiscal stimulus programs; and~~well as our specific credit view of each of our insured ~~obligors' financial flexibility and ability to mitigate~~exposures considering the ~~operational and~~significant uncertainties brought upon us by the COVID-19 pandemic. Accordingly, despite the current economic ~~impact of the recession will determine the ultimate impact to Ambac's insured portfolio. Accordingly,~~recovery, our loss reserves may be under-estimated as a result of the ultimate scope, duration and magnitude of the effects of ~~COVID-19.~~COVID-19 pandemic.

Puerto Rico:

Ambac has exposure to the Commonwealth of Puerto Rico (the "Commonwealth") and its instrumentalities across several different

issuing entities with total net par exposure of ~~$1,105.~~$1,067. Components of Puerto Rico net par outstanding include capital appreciation bonds which are reported at the par amount at the time of issuance of the related insurance policy as opposed to the current accreted value of the bonds. Each issuing entity has its own credit risk profile attributable to discrete revenue sources, direct general obligation pledges or general obligation guarantees. The Commonwealth of Puerto Rico and certain of its instrumentalities have defaulted and may continue to default on debt service payments, including payments owed on bonds insured by ~~Ambac Assurance. Ambac Assurance~~AAC. AAC may be required to make significant amounts of policy payments over the next several years, the recoverability of which is subject to great uncertainty, which may lead to a material increase in permanent losses causing a material adverse impact on our results of operations and financial condition. Our exposure to Puerto Rico is impacted by the amount of monies available for debt service, which is in turn affected by a number of factors including variability in economic growth and demographic trends, ~~economic conditions (including~~tax revenues, changes in law or the ~~impact~~

~~| Ambac Financial Group, Inc.~~ 19~~2020 First Quarter FORM 10-Q~~ |

~~Table of Contents~~

~~AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES~~

~~Notes to Unaudited Consolidated Financial Statements~~

~~(Dollar Amounts in Millions, Except Share Amounts)~~

from the COVID-19 pandemic), tax policy and revenues, impact of reforms, fiscal plans, government actions, political instability, budgetary performance and flexibility, weather and seismic events, litigation outcomes, as well aseffects thereof, essential services expense, federal funding of Commonwealth ~~needs.~~needs, as well as interpretation of legal documents, legislation, updated financial information (when available), and, overall, outcomes related to the debt restructuring process. In the ~~near term,~~near-term, the financial and economic outlook for Puerto Rico is dependent upon a still fragile infrastructure, heightening its vulnerability to additional ~~natural disasters.~~weather events; and the trajectory of recovery from the COVID-19 pandemic. The ~~longer term~~longer-term recovery of the Commonwealth economy and its essential infrastructure will likely be dependent on, among other factors, the management, usage and efficacy of federal resources.

ItAlso important to Puerto Rico's economic growth, government reform and creditor outcomes is the Commonwealth Fiscal Plan, the most recent of which was certified by the Financial Oversight and Management Board for Puerto Rico ("Oversight Board") on April 23, 2021. The most recent Commonwealth Fiscal Plan purports to incorporate the impact of the federal recovery money stemming from the 2017 hurricanes, 2019-2020 earthquakes, and the COVID-19 pandemic, including the recently enacted ARPA. As with previous fiscal plans, the current certified Commonwealth Fiscal Plan may significantly inform the Commonwealth Plan of Adjustment in the Commonwealth's Title III proceeding. However, as was the case with previous versions of the Commonwealth Fiscal Plan, the current version of the

Commonwealth Fiscal Plan lacks a high degree of transparency regarding the underlying data, assumptions and rationales supporting those assumptions, making reconciliation and due diligence difficult. As a result, it is difficult to predict the long-term capacity and willingness of the Puerto Rico government and its instrumentalities to pay debt service on bonded debt and how their debt burden and financial flexibility might affect ~~Ambac Assurance's claim~~AAC's claims development potential, risk profile and long-term financial strength.

In the first quarter of 2021, the Oversight Board, as representative of the Commonwealth of Puerto Rico, PBA, and the Employee Retirement System of the Government of the Commonwealth of Puerto Rico publicly disclosed the Second Amended Plan Support Agreement ("Second Amended PSA"). The Oversight Board announced that the Second Amended PSA had the support of 70% of all GO and PBA bonds claims, including the conditional support of several financial guarantee insurance companies. The Government of the Commonwealth of Puerto Rico and AAC are not currently parties to the Second Amended PSA. Later in the first quarter of 2021, the Oversight Board filed with the Title III court a Second Amended Title III Joint Plan of Adjustment of the Commonwealth ("Second Amended POA") that, among other things, incorporated the terms of the Second Amended PSA.

In April 2021, the Oversight Board announced that it had reached an agreement in principle with two financial guarantee insurance companies (not including AAC) regarding the Puerto Rico Highways and Transportation Authority ("PRHTA") claims, the Convention Center District Authority ("CCDA") claims and the Commonwealth treatment of deficiency claims. Under this agreement in principle, consideration for revenue bond creditors such as PRHTA, CCDA, or Puerto Rico Infrastructure Financing Authority ("PRIFA") Special Tax Revenue ("Rum Tax") bonds, on account of their deficiency claims ("Clawback claims") against the Commonwealth, consist of interests ("Clawback CVI") tied to the outperformance of the Puerto Rico Sales and Use Tax ("SUT") against the certified 2020 Commonwealth Fiscal Plan projections. Under the agreement, the PRHTA and CCDA creditors would also receive 'hard currency' in the form of new PRHTA bonds and cash for PRHTA creditors and cash for CCDA creditors. PRIFA is not part of this agreement and under the current construct, PRIFA bondholders would not receive any 'hard currency' and only receive the Clawback CVI. This agreement was finalized on May 5, 2021 (the "PRHTA/CCDA PSA").

Substantial uncertainty exists with respect to the ultimate outcome for creditors in Puerto Rico, such as ~~Ambac Assurance,~~AAC, due to, ~~amongst~~among other matters, the Second Amended PSA and Second Amended POA and potential incremental changes to both the PSA and POA; the PRHTA/CCDA PSA; legislation enacted by the Commonwealth and the federal government, including PROMESA; and actions taken pursuant to such laws, including ~~the~~ Title III ~~filings; the economic consequences of the COVID-19 pandemic; as well as political uncertainty and leadership turnover. Ambac Assurance~~filings. AAC is involved in multiple litigations relating to such actions ~~taken by the Commonwealth or the Financial Oversight and Management Board for Puerto Rico (the “Oversight Board”) pursuant to certain enacted legislation, court rulings,~~ and other issues and may not be successful in pursuing claims or protecting its interests. As a result of litigation or other aspects of the restructuring processes, the differences among the credits insured by ~~Ambac Assurance~~AAC may not be respected.

~~Ambac Assurance~~AAC has participated and may continue to participate in mediation related to potential debt restructurings. Mediation may

| Ambac Financial Group, Inc. 202021 First Quarter FORM 10-Q |

Table of Contents

AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

(Dollar Amounts in Millions, Except Share Amounts)

not be productive or may not resolve ~~Ambac Assurance's~~AAC's claims in a manner that reduces or avoids significant losses. No assurances can be given that negotiations will be successfully concluded, that Commonwealth, Oversight Board and creditor parties will reach definitive agreements on additional debt restructurings, that any ~~additional~~ negotiated transaction debt restructuring, definitive agreement or ~~Plans~~plans of ~~Adjustment~~adjustment will be approved by the court and completed, or that any transaction or ~~Plans~~plans of ~~Adjustment~~adjustment will not have ~~a material~~an adverse impact on Ambac's financial condition or ~~results of operations.~~results. It is possible that certain restructuring process solutions, together with associated legislation, budgetary, and/or public policy proposals could be adopted and could further impair our exposures, causing losses that could have a material adverse impact on our results of operations and financial condition.

While our reserving scenarios account for a wide range of possible outcomes, reflecting the significant uncertainty regarding future developments and outcomes, given our exposure to Puerto Rico and the economic, fiscal, legal and political uncertainties associated therewith ~~as well as the uncertainties emanating from the COVID-19 pandemic and the damage caused by hurricanes Maria and Irma,~~ our loss reserves may ultimately prove to be insufficient to cover our losses, potentially having a material adverse effect on our results of operations and financial ~~position.~~position, and may be subject to material volatility.

Ambac has considered these developments and other factors in evaluating its Puerto Rico loss reserves. During the three months ended March 31, ~~2020,~~2021, Ambac had incurred losses associated with its Domestic Public Finance insured portfolio of ~~$178,~~$9, which was primarily impacted by ~~lower discount rates and~~our interpretation of the terms of the May 5, 2021 PRHTA/CCDA PSA, including our assessment of the Clawback CVI, as well as the continued uncertainty and volatility of the situation in Puerto Rico. While management believes its reserves are adequate to cover losses in its Public Finance insured portfolio, there can be no assurance that Ambac may not incur additional losses in the future, given the circumstances described herein. Such additional losses may have a material adverse effect on Ambac’s results of operations and financial condition and may result in adverse consequences such as impairing the ability of ~~Ambac Assurance~~AAC to honor its financial obligations; the initiation of rehabilitation proceedings against ~~Ambac Assurance;~~AAC; decreased likelihood of ~~Ambac Assurance~~AAC delivering value to Ambac, through dividends or otherwise; and a significant drop in the value of securities issued or insured by Ambac or ~~Ambac Assurance.~~AAC. For public finance credits, including Puerto Rico, as well as other issuers, for which Ambac has an estimate of expected loss at March 31, ~~2020,~~2021, the possible increase in loss reserves under stress or other adverse conditions and circumstances was estimated to be approximately ~~$1,220.~~$660. This possible increase in loss reserves under stress or other adverse conditions is significant and if we were to experience such incremental losses, our stockholders’ equity as of March 31, ~~2020~~2021, would decrease from ~~$1,062~~$1,123 to ~~$(158). There~~$463. However, there can be no assurance that losses may not exceed such amount.

Representation and Warranty Recoveries:

Ambac records estimated RMBS R&W subrogation recoveries for breaches of R~~&Ws~~&W by sponsors of certain RMBS transactions. For a discussion of the approach utilized to estimate RMBS R&W subrogation recoveries, see Note 2. Basis of Presentation and Significant Accounting Policies in the Notes to Consolidated Financial Statements included Part II, Item 8 in the Company’s

Annual Report on Form 10-K for the year ended December 31, ~~2019.~~2020.

Ambac has recorded RMBS R&W subrogation recoveries of ~~$1,764~~$1,748 ($~~1,738~~1,722 net of reinsurance) and ~~$1,727~~$1,751 ($~~1,702~~1,725 net of reinsurance) at March 31, ~~2020~~2021 and December 31, ~~2019,~~2020, respectively. ~~R&W recovery proceeds up to the first $1,400 and above $1,600 have been pledged as security on certain of Ambac's long-term debt obligations as described further in~~ ~~Note 1. Background and Business Description~~ ~~in the Notes to Consolidated Financial Statements included Part II, Item 8 in the Company’s Annual Report on Form 10-K for the year ended December 31, 2019.~~

Below is the rollforward of RMBS R&W subrogation for the affected periods:

Three Months Ended March 31,
2020 2019
Discounted R&W subrogation (gross of reinsurance) at beginning of period $ 1,727
$ 1,771
All other changes ⁽¹⁾
36
(43 )
Discounted R&W subrogation (gross of reinsurance) at end of period $ 1,764
$ 1,727


~~(1)~~	~~All other changes which may impact RMBS R&W subrogation recoveries include changes in actual or projected collateral~~


Three Months Ended March 31,	2021		2020
Discounted R&W subrogation (gross of reinsurance) at beginning of period	$	1,751	$	1,727





All other changes (1)	(3)		$	36
Discounted R&W subrogation (gross of reinsurance) at end of period	$	1,748	$	1,764

~~| Ambac Financial Group, Inc.~~ (1)20~~2020 First Quarter FORM 10-Q~~ |

~~Table of Contents~~

~~AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES~~

~~Notes to Unaudited Consolidated Financial Statements~~

~~(Dollar Amounts~~All other changes which may impact RMBS R&W subrogation recoveries include changes in ~~Millions, Except Share Amounts)~~

actual or projected collateral performance, changes in the creditworthiness of a sponsor and/or the projected timing of recoveries.

Our ability to realize R&W subrogation recoveries is subject to significant uncertainty, including risks inherent in ~~litigation;~~litigation, including adverse rulings or decisions in our cases or in litigations to which AAC is not a party that set precedents or resolve questions of law that impact our own claims; collectability of such amounts from counterparties (and/or their respective parents and affiliates); timing of receipt of any such recoveries; intervention by OCI, which could impede our ability to take actions required to realize such recoveries; and uncertainty inherent in the assumptions used in estimating such recoveries. Failure to realize R&W subrogation recoveries for any reason or the realization of R&W subrogation recoveries materially below the amount recorded on Ambac's consolidated balance sheet would have a material adverse effect on our results of operations and financial ~~condition and~~condition. If we were unable to realize R&W subrogation recoveries recorded on Ambac's consolidated balance sheet, our stockholders’ equity as of March 31, 2021, would decrease from $1,123 to $(598). Additionally, failure to realize R&W subrogation recoveries, or the realization of recoveries significantly below those recorded on the balance sheet, may result in adverse consequences such as impairing the ability of ~~Ambac Assurance~~AAC to honor its financial obligations; the initiation of rehabilitation proceedings against ~~Ambac Assurance; decreased likelihood of Ambac Assurance delivering~~AAC; AAC not being able to deliver value to Ambac, through dividends or otherwise; and a significant drop in the value of securities issued or insured by Ambac or AAC.

Credit Impairment for Reinsurance Recoverables:

The key indicator management uses to assess the credit quality of reinsurance recoverables is collateral posted by the reinsurers and independent rating agency credit ratings. For the majority of reinsurance contracts where Ambac ~~Assurance.~~has recorded a recoverable, the fair value of collateral posted by the reinsurer to AAC exceeds AAC's reinsurance recoverable carrying value, net of ceded premiums payable. AAC has uncollateralized credit exposure of $4 and $1 and has recorded an allowance for credit losses of $— and $— at March 31, 2021 and December 31, 2020

| Ambac Financial Group, Inc. 212021 First Quarter FORM 10-Q |

Table of Contents

AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

(Dollar Amounts in Millions, Except Share Amounts)

7. INTANGIBLE ASSETS

Insurance intangible asset:

The insurance intangible asset and accumulated amortization are included in the Consolidated Balance Sheets, as shown below.


	March 31, 2021		December 31, 2020
Gross carrying value of insurance intangible asset	$	1,282	$	1,281
Accumulated amortization of insurance intangible asset	927		908
Net insurance intangible asset	$	356	373

Other Intangible Assets:

In connection with the acquisition of Xchange the fair value of identifiable intangible assets were recorded. The majority of these intangible assets relate to existing relationships Xchange maintained with a variety of brokers and distributors across its product lines. The gross carrying value of the identifiable intangibles, accumulated amortization and net identifiable intangibles is $36, $1 and $35, respectively at March 31, 2021 and $36, $0 and $36, respectively at December 31, 2020. The overall weighted average useful life of the identified amortizable intangible assets acquired is 14.0 years.

Amortization Expense:

Amortization expense is included in ~~insurance intangible amortization on~~ the Consolidated Statements of Total Comprehensive Income (Loss). For the three months ended March 31, 2020 and 2019, the insurance intangible amortization expense was $13 and $36, respectively. As of March 31, 2020 and December 31, 2019, the gross carrying value of the insurance, as shown below.


Three Months Ended March 31,	2021		2020
Insurance amortization expense	$	19	$	13
Other amortization expense	1		0
Total	$	19	$	13

intangible asset was $1,261 and $1,273, respectively. Accumulated amortization of the insurance intangible asset was $854 and $847, as of March 31, 2020 and December 31, 2019, respectively, resulting in a net insurance intangible asset of $406 and $427, respectively.

The estimated future amortization expense for ~~the net~~intangible assets is as follows:


Amortization expense	Insurance Intangible Asset (1) (2)		Other Intangible Assets		Total
2021 (Nine months)	$	28	$	2	$	30
2022	35		3		37
2023	31		3		34
2024	29		3		31
2025	26		3		29
Thereafter	207		22		229

(1)The insurance intangible asset ~~is as follows:~~will be amortized using a level-yield method based on par exposure of the related financial guarantee insurance or reinsurance contracts. Future amortization considers the use of contractual lives for many bond types which do not have homogeneous pools of underlying collateral. Actual maturities will differ from contractual maturities because borrowers have the right to call or prepay certain obligations. If those obligations are retired early, amortization expense may differ in the period of call or refinancing. from the amounts provided in the table above.

Amortization expense ^{(1) (2)}

2020 (nine months) $ 33
2021 39
2022 35
2023 32
2024 29
Thereafter 239

~~(1)~~(2)

The insurance intangible asset will be amortized using a level-yield method based on par exposure of the related financial guarantee insurance or reinsurance contracts. Future amortization considers the use of contractual lives for many bond types which do not have homogeneous pools of underlying collateral. Actual maturities will differ from contractual maturities because borrowers may have the right to call or prepay certain obligations. If those bonds types are retired early, amortization expense may differ in the period of call or refinancing.

~~(2)~~ The weighted-average ~~amortizations~~insurance intangible amortization period is ~~7.6~~7.4 years.

7.8. FAIR VALUE MEASUREMENTS

The Fair Value Measurement Topic of the ASC establishes a framework for measuring fair value and disclosures about fair value measurements.

Fair Value Hierarchy:

The Fair Value Measurement Topic of the ASC specifies a fair value hierarchy based on whether the inputs to valuation techniques used to measure fair value are observable or unobservable. Observable inputs reflect market data obtained from independent sources, while unobservable inputs reflect Company-based assumptions. The fair value hierarchy prioritizes model inputs into three broad levels as follows:



l	Level 1	Quoted prices for identical instruments in active markets. Assets and liabilities classified as Level 1 include US Treasury and other foreign government obligations traded in highly liquid and transparent markets, certain highly liquid pooled fund investments, exchange traded futures contracts, variable rate demand obligations and money market funds.

l	Level 2	Quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that are not active; and model-derived valuations in which all significant inputs and significant value drivers are observable in active markets. Assets and liabilities classified as Level 2 generally include investments in fixed ~~income~~maturity securities representing municipal, asset-backed and corporate obligations, certain interest rate swap contracts and most long-term debt of variable interest entities consolidated under the Consolidation Topic of the ASC.

l	Level 3	Model derived valuations in which one or more significant inputs or significant value drivers are unobservable. This hierarchy requires the use of observable market data when available. Assets and liabilities classified as Level 3 include credit derivative contracts, certain uncollateralized interest rate swap contracts, equity interests in Ambac sponsored special purpose entities and certain investments in fixed ~~income~~maturity securities. Additionally, Level 3 assets and liabilities generally include loan receivables, and certain long-term debt of variable interest entities consolidated under the Consolidation Topic of the ASC.

| Ambac Financial Group, Inc. 222021 First Quarter FORM 10-Q |

Table of Contents

AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

(Dollar Amounts in Millions, Except Share Amounts)

The Fair Value Measurement Topic of the ASC permits, as a practical expedient, the estimation of fair value of certain investments in funds using the net asset value per share of the investment or its equivalent (“NAV”). Investments in funds valued using NAV are not categorized as Level 1, 2 or 3 under the fair value hierarchy. The following table sets forth the carrying amount and fair value of Ambac’s financial assets and liabilities as of March 31, ~~2020~~2021 and December 31, ~~2019,~~2020, including the level within the fair value hierarchy at which fair value measurements are categorized. As required by the Fair Value Measurement Topic of the ASC, financial assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurement.


	Carrying Amount		Total Fair Value		Fair Value Measurements Categorized as:
March 31, 2021:					Level 1		Level 2		Level 3
Financial assets:
Fixed maturity securities:
Municipal obligations	$	366	$	366	$	0	$	366	$	0
Corporate obligations	1,108		1,108		2		1,106		0
Foreign obligations	97		97		97		0		0
U.S. government obligations	108		108		108		0		0

Residential mortgage-backed securities	269		269		0		269		0

Collateralized debt obligations	97		97		0		97		0
Other asset-backed securities	295		295		0		219		76
Fixed maturity securities, pledged as collateral:
U.S. government obligations	15		15		15		0		0
Short-term	105		105		105		0		0
Short term investments	397		397		311		86		0
Other investments (1)	600		600		99		0		0
Cash, cash equivalents and restricted cash	39		39		38		2		0
Derivative assets:

Interest rate swaps—asset position	73		73		0		7		66

Futures contracts	1		1		1		—		—
Other assets - equity in sponsored VIE	1		1		0		0		1
Other assets-Loans	3		3		0		0		3
Variable interest entity assets:

Fixed maturity securities: Corporate obligations	3,103		3,103		0		0		3,103
Fixed maturity securities: Municipal obligations	133		133		0		133		0
Restricted cash	2		2		2		0		0
Loans	2,948		2,948		0		0		2,948

Derivative assets: Currency swaps-asset position	38		38		0		38		0
Total financial assets	$	9,799	$	9,799	$	778	$	2,323	$	6,197
Financial liabilities:

Long term debt, including accrued interest	$	3,177	$	3,032	$	0	$	3,011	$	20
Derivative liabilities:

Interest rate swaps—asset position	85		85		—		85		—



Liabilities for net financial guarantees written (2)	(751)		279		0		0		279
Variable interest entity liabilities:
Long-term debt (includes $4,264 at fair value)	4,427		4,451		0		4,290		160

Derivative liabilities: Interest rate swaps—liability position	1,739		1,739		0		1,739		0

Total financial liabilities	$	8,677	$	9,586	$	0	$	9,126	$	460

| Ambac Financial Group, Inc. 2123 ~~2020~~2021 First Quarter FORM 10-Q|

Table of Contents

AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

(Dollar Amounts in Millions, Except Share Amounts)


	Carrying Amount		Total Fair Value		Fair Value Measurements Categorized as:
December 31, 2020:					Level 1		Level 2		Level 3
Financial assets:
Fixed maturity securities:
Municipal obligations	$	358	$	358	$	0	$	358	$	0
Corporate obligations	1,077		1,077		4		1,073		0
Foreign obligations	98		98		98		0		0
U.S. government obligations	106		106		106		0		0

Residential mortgage-backed securities	302		302		0		302		0

Collateralized debt obligations	74		74		0		74		0
Other asset-backed securities	303		303		0		225		78
Fixed maturity securities, pledged as collateral:
U.S. government obligations	15		15		15		0		0
Short-term	125		125		125		0		0
Short term investments	492		492		415		76		0
Other investments (1)	595		597		91		0		53
Cash, cash equivalents and restricted cash	33		33		32		2		0
Derivative assets:

Interest rate swaps—asset position	93		93		0		9		85


Other assets - equity in sponsored VIE	1		1		0		0		1
Other assets-loans	3		3		0		0		3
Variable interest entity assets:

Fixed maturity securities: Corporate obligations	3,215		3,215		0		0		3,215
Fixed maturity securities: Municipal obligations	139		139		0		139		0
Restricted cash	2		2		2		0		0
Loans	2,998		2,998		0		0		2,998

Derivative assets: Currency swaps—asset position	41		41		0		41		0
Total financial assets	$	10,071	$	10,073	$	888	$	2,299	$	6,433
Financial liabilities:
Long term debt, including accrued interest	$	3,255	$	3,071	$	0	$	2,670	$	401
Derivative liabilities:


Interest rate swaps—liability position	114		114		0		114		0


Liabilities for net financial guarantees written (2)	(740)		539		0		0		539
Variable interest entity liabilities:
Long-term debt (includes $4,324 at fair value)	4,493		4,504		0		4,349		155

Derivative liabilities: Interest rate swaps—liability position	1,835		1,835		0		1,835		0

Total financial liabilities	$	8,958	$	10,063	$	0	$	8,968	$	1,095

Carrying
Amount Total Fair
Value Fair Value Measurements Categorized as:
March 31, 2020: Level 1 Level 2 Level 3
Financial assets:
Fixed income securities:
Municipal obligations $ 218
$ 218
$ —
$ 218
$ —
Corporate obligations 1,261
1,261
—
1,261
—
Foreign obligations 42
42
42
—
—
U.S. government obligations 177
177
177
—
—
Residential mortgage-backed securities 203
203
—
203
—
Commercial mortgage-backed securities 51
51
—
51
—
Collateralized debt obligations 132
132
—
132
—
Other asset-backed securities 283
283
—
217
66
Fixed income securities, pledged as collateral:
Short-term 85
85
85
—
—
Short term investments 586
586
528
57
—
Other investments ⁽¹⁾
363
345
84
—
30
Cash, cash equivalents and restricted cash 89
89
86
3
—
Derivative assets:
Credit derivatives —
—
—

Interest rate swaps—asset position 89
89
—
10
79
Interest rate swaps—liability position (1 ) (1 ) —
(1 ) —
Other assets - equity in sponsored VIE 3
3
—
—
3
Other assets-Loans 10
11
—
—
11
Variable interest entity assets:
Fixed income securities: Corporate obligations 2,806
2,806
—
—
2,806
Fixed income securities: Municipal obligations 122
122
—
122
—
Restricted cash 2
2
2
—
—
Loans 2,932
2,932
—
—
2,932
Derivative assets: Currency swaps-asset position 62
62
—
62
—
Total financial assets $ 9,513
$ 9,498
$ 1,004
$ 2,335
$ 5,927
Financial liabilities:
Long term debt, including accrued interest $ 3,217
$ 2,924
$ —
$ 2,584
$ 341
Derivative liabilities:
Credit derivatives 2
2
—
—
2
Interest rate swaps—asset position (1 ) (1 ) —
(1 ) —
Interest rate swaps—liability position 136
136
—
136
—
Liabilities for net financial guarantees written ⁽²⁾
(763 ) 1,057
—
—
1,057
Variable interest entity liabilities:
Long-term debt (includes $4,092 at fair value) 4,263
4,274
—
4,115
158
Derivative liabilities: Interest rate swaps—liability position 1,610
1,610
—
1,610
—
Total financial liabilities $ 8,464
$ 10,001
$ —
$ 8,444
$ 1,558

(1)Excluded from the fair value measurement categories in the table above are investment funds of $501 and $453 as of March 31, 2021 and December 31, 2020, respectively, which are measured using NAV as a practical expedient.

~~| Ambac Financial Group, Inc.~~ (2)22~~2020 First Quarter FORM 10-Q~~ |

~~Table~~The carrying value of ~~Contents~~

~~AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES~~

~~Notes to Unaudited Consolidated Financial Statements~~

~~(Dollar Amounts~~net financial guarantees written includes the following balance sheet items: Premium receivables; Reinsurance recoverable on paid and unpaid losses; Deferred ceded premium; Subrogation recoverable; Insurance intangible asset; Unearned premiums; Loss and loss expense reserves; Ceded premiums payable, premiums taxes payable and other deferred fees recorded in ~~Millions, Except Share Amounts)~~

Carrying
Amount Total Fair
Value Fair Value Measurements Categorized as:
December 31, 2019: Level 1 Level 2 Level 3
Financial assets:
Fixed income securities:
Municipal obligations $ 215
$ 215
$ —
$ 215
$ —
Corporate obligations 1,430
1,430
—
1,430
—
Foreign obligations 44
44
44
—
—
U.S. government obligations 156
156
156
—
—
Residential mortgage-backed securities 248
248
—
248
—
Commercial mortgage-backed securities 50
50
—
50
—
Collateralized debt obligations 146
146
—
146
—
Other asset-backed securities 287
287
—
215
72
Fixed income securities, pledged as collateral:
Short-term 85
85
85
—
—
Short term investments 653
653
598
55
—
Other investments ⁽¹⁾
478
493
136
—
61
Cash and cash equivalents and restricted cash 79
79
70
9
—
Derivative assets:
Interest rate swaps—asset position 75
75
—
8
67
Other assets - equity in sponsored VIE 3
3
—
—
3
Other assets-loans 10
13
—
—
13
Variable interest entity assets:
Fixed income securities: Corporate obligations 2,957
2,957
—
—
2,957
Fixed income securities: Municipal obligations 164
164
—
164
—
Restricted cash 2
2
2
—
—
Loans 3,108
3,108
—
—
3,108
Derivative assets: Currency swaps—asset position 52
52
—
52
—
Total financial assets $ 10,242
$ 10,260
$ 1,091
$ 2,593
$ 6,281
Financial liabilities:
Long term debt, including accrued interest $ 3,262
$ 3,274
$ —
$ 2,829
$ 445
Derivative liabilities:
Interest rate swaps—liability position 89
89
—
89
—
Liabilities for net financial guarantees written ⁽²⁾
(863 ) 284
—
—
284
Variable interest entity liabilities:
Long-term debt 4,554
4,567
—
4,408
159
Derivative liabilities: Interest rate swaps—liability position 1,657
1,657
—
1,657
—
Total financial liabilities $ 8,699
$ 9,872
$ —
$ 8,983
$ 889

Other liabilities.


~~(1)~~	Excluded from the fair value measurement categories in the table above are investment funds of $232 and $296 as of March 31, 2020 and December 31, 2019, respectively, which are measured using NAV as a practical expedient.

~~(2)~~

The carrying value of net financial guarantees written includes the following balance sheet items: Premium receivables; Reinsurance recoverable on paid and unpaid losses; Deferred ceded premium; Subrogation recoverable; Insurance intangible asset; Unearned premiums; Loss and loss expense reserves; Ceded premiums payable, premiums taxes payable and other deferred fees recorded in Other liabilities.

~~| Ambac Financial Group, Inc.~~ 23~~2020 First Quarter FORM 10-Q~~ |

~~Table of Contents~~

~~AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES~~

~~Notes to Unaudited Consolidated Financial Statements~~

~~(Dollar Amounts in Millions, Except Share Amounts)~~

Determination of Fair Value:

When available, Ambac uses quoted active market prices specific to the financial instrument to determine fair value, and classifies such items within Level 1. The determination of fair value for financial instruments categorized in Level 2 or 3 involves judgment due to the complexity of factors contributing to the valuation. Third-party sources from which we obtain independent market quotes also use assumptions, judgments and estimates in determining financial instrument values and different third parties may use different methodologies or provide different values for

financial instruments. In addition, the use of internal valuation models may require assumptions about hypothetical or inactive markets. As a result of these factors, the actual trade value of a financial instrument in the market, or exit value of a financial instrument position by Ambac, may be significantly different from its recorded fair value.

Ambac’s financial instruments carried at fair value are mainly comprised of investments in fixed ~~income~~maturity securities, equity interests in pooled investment funds, derivative instruments,

| Ambac Financial Group, Inc. 242021 First Quarter FORM 10-Q |

Table of Contents

AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

(Dollar Amounts in Millions, Except Share Amounts)

certain variable interest entity assets and liabilities and interests in Ambac sponsored special purpose entities. Valuation of financial instruments is performed by Ambac’s finance group using methods approved by senior financial management with consultation from risk management and portfolio managers as appropriate. Preliminary valuation results are discussed with portfolio managers quarterly to assess consistency with market transactions and trends as applicable. Market transactions such as trades or negotiated settlements of similar positions, if any, are reviewed to validate fair value model results. However, many of the financial instruments valued using significant unobservable inputs have very little or no observable market activity. Methods and significant inputs and assumptions used to determine fair values across portfolios are reviewed quarterly by senior financial management. Other valuation control procedures specific to particular portfolios are described further below.

Fixed ~~Income~~Maturity Securities:

The fair values of fixed ~~income~~maturity investment securities are based primarily on market prices received from broker quotes or alternative pricing sources. Because many fixed ~~income~~maturity securities do not trade on a daily basis, pricing sources apply available market information through processes such as matrix pricing to calculate fair value. Such prices generally consider a variety of factors, including recent trades of the same and similar securities. In those cases, the items are classified within Level 2. For those fixed ~~income~~maturity investments where quotes were not available or cannot be reasonably corroborated, fair values are based on internal valuation models. Key inputs to the internal valuation models generally include maturity date, coupon and yield curves for asset-type and credit rating characteristics that closely match those characteristics of the specific investment securities being valued. Items valued using valuation models are classified according to the lowest level input or value driver that is significant to the valuation. Thus, an item may be classified in Level 3 even though there may be significant inputs that are readily observable. Longer (shorter) expected maturities or higher (lower) yields used in the valuation model will, in isolation, result in decreases (increases) in fair value. Generally, lower credit ratings or longer expected maturities will be accompanied by higher yields used to value a security. At March 31, ~~2020,~~2021, approximately 4%3%, ~~94%~~95% and 2% of the fixed ~~income~~maturity investment portfolio

~~(excluding~~ (excluding variable interest entity investments) was valued using broker quotes, alternative pricing sources and internal valuation models, respectively. At December 31, ~~2019,~~2020, approximately 4%2%, ~~94%~~95% and 2%3% of the fixed ~~income~~maturity investment portfolio (excluding variable interest entity investments) was valued using broker quotes, alternative pricing sources and internal valuation models, respectively.

Ambac performs various review and validation procedures to quoted and modeled prices for fixed ~~income~~maturity securities, including price variance analyses, missing and static price reviews, overall valuation analysis by portfolio managers and finance managers and reviews associated with our ongoing impairment analysis. Unusual prices identified through these procedures will be evaluated further against alternative third party quotes (if available) ~~and/or~~, internally modeled prices and/or other relevant data, and the pricing source values will be challenged as necessary. Price challenges generally result in the use of the pricing source’s quote as originally provided or as revised by the source following

their internal diligence process. A price challenge may result in a determination by either the pricing source or Ambac management that the pricing source cannot provide a reasonable value for a security or cannot adequately support a quote, in which case Ambac would resort to using either other quotes or internal models. Results of price challenges are reviewed by portfolio managers and finance managers.

Information about the valuation inputs for fixed ~~income~~maturity securities classified as Level 3 is included below:

Other asset-backed securities: This security is a subordinated tranche of a ~~resecuritization~~securitization collateralized by Ambac-insured military housing bonds. The fair value classified as Level 3 was ~~$66~~$76 and ~~$72~~$78 at March 31, ~~2020~~2021 and December 31, ~~2019,~~2020, respectively. Fair value was calculated using a discounted cash flow approach with expected future cash flows discounted using a yield consistent with the security type and rating. Significant inputs for the valuation at March 31, ~~2020~~2021 and December 31, ~~2019~~2020 include the following:


March 31, 2021:
a. Coupon rate:		5.98%
b. Average Life:		14.66 years
c. Yield:		10.75%

~~March~~December 31, 2020:
a. Coupon rate:		~~5.98%~~5.97%
b. Average Life:		~~15.36~~14.83 years
c. Yield:		~~13.00%~~

~~December 31, 2019:~~
~~a. Coupon rate:~~	~~5.97%~~
~~b. Average Life:~~	~~15.58 years~~
~~c. Yield:~~	~~11.75%~~10.50%

Other Investments:

Other investments primarily relate to investments in pooled investment funds. The fair value of pooled investment funds is determined using dealer quotes or alternative pricing sources when such investments have readily determinable fair values. When fair value is not readily determinable, pooled investment funds are valued using NAV as a practical expedient as permitted under the Fair Value Measurement Topic of the ASC. Refer to Note 8.

~~| Ambac Financial Group, Inc.~~ 24~~2020 First Quarter FORM 10-Q~~ |

~~Table of Contents~~

~~AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES~~

~~Notes to Unaudited Consolidated Financial Statements~~

~~(Dollar Amounts in Millions, Except Share Amounts)~~

9. Investments for additional information about such investments in pooled funds that are reported at fair value using NAV as a practical expedient.

~~Other~~At December 31, 2020, other investments also ~~includes~~included Ambac's equity interest in the Corolla Trust, a non-consolidated VIE created in connection with Ambac's monetization of ~~Ambac Assurance~~AAC junior surplus notes. This equity interest iswas carried under the equity ~~method. Fair~~method and its fair value ~~for the non-consolidated VIE equity interest is~~was internally calculated using a market approach ~~and is~~ classified as Level 3. As further described in Note 1. Background and Business Description, on January 22, 2021, AAC completed the Corolla Note Exchange transaction whereby it acquired 100% of the outstanding obligations and the owner trust certificate of, and subsequently dissolved, the Corolla Trust.

Derivative Instruments:

Ambac’s derivative instruments primarily comprise interest rate swaps, credit default swaps and exchange traded futures contracts. Fair value is determined based upon market quotes from independent sources, when available. When independent

| Ambac Financial Group, Inc. 252021 First Quarter FORM 10-Q |

Table of Contents

AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

(Dollar Amounts in Millions, Except Share Amounts)

quotes are not available, fair value is determined using valuation models. These valuation models require market-driven inputs, including contractual terms, credit spreads and ratings on underlying referenced obligations, yield curves and tax-exempt interest ratios. The valuation of certain derivative contracts also require the use of data inputs and assumptions that are determined by management and are not readily observable in the market. Under the Fair Value Measurement Topic of the ASC, Ambac is required to consider its own credit risk when measuring the fair value of derivatives and other liabilities. Factors considered in estimating the amount of any Ambac credit valuation adjustment ("CVA") on such contracts include collateral posting provisions, right of set-off with the counterparty, the period of time remaining on the derivative and the pricing of recent terminations. The aggregated Ambac CVA impact reduced the fair value of ~~credit~~ derivative liabilities ~~was reduced~~ by ~~$0 and $0~~less than a million dollars at both March 31, ~~2020~~2021 and December 31, ~~2019,~~2020, respectively as a result of incorporating an Ambac CVA into the valuation model for these contracts. Interest rate swap liabilities are collateralized and are not adjusted with an Ambac CVA at March 31, 2020 and December 31, 2019.

Interest rate swaps that are not centrally cleared are valued using vendor-developed models that incorporate interest rates and yield curves that are observable and regularly quoted. These models provide the net present value of the derivatives based on contractual terms and observable market data. Generally, the need for counterparty (or Ambac) CVAs on interest rate derivatives is mitigated by the existence of collateral posting agreements under which adequate collateral has been posted. Certain of these derivative contracts entered into with financial guarantee customers are not subject to collateral posting agreements. Counterparty credit risk related to such customer derivative assets is included in our determination of their fair value.

Ambac's ~~remaining~~ credit derivatives ("CDS") are valued using an internal model that uses traditional financial guarantee CDS pricing to calculate the fair value of the derivative contract based on the reference obligation's current pricing, remaining life and credit rating and Ambac's own credit risk. The model calculates the difference between the present value of the projected fees receivable under the CDS and our estimate of the fees a financial guarantor of comparable credit quality would charge to provide the same protection at the balance sheet date. Unobservable inputs used include Ambac's internal reference obligation credit ratings and ~~expected~~remaining life, estimates of fees that would be charged to assume the credit derivative obligation and Ambac's CVA. Ambac is party to

only one remaining credit derivative with an internal credit rating of AA at March 31, ~~2020.~~2021. Ambac has not made any significant changes to its modeling techniques or related model inputs for the periods presented.

Financial Guarantees:

Fair value of net financial guarantees written represents our estimate of the cost to Ambac to completely transfer its insurance obligation to another market participant of comparable credit worthiness. In theory, this amount should be the same amount that another market participant of comparable credit worthiness would hypothetically charge in the ~~market place,~~marketplace, on a present value basis, to provide the same protection as of the balance sheet date. This fair value estimate of financial guarantees is presented on a net basis and includes direct and assumed contracts written, net of ceded reinsurance contracts.

Long-term Debt:

Long-term debt includes ~~Ambac Assurance~~AAC surplus notes and junior surplus notes, the Ambac Note and Tier 2 Notes issued in connection with the Rehabilitation Exit Transactions and the Ambac UK debt issued in connection with the Ballantyne commutation. The fair values of surplus notes, the Ambac Note and Tier 2 Notes are classified as Level 2. The fair value of junior surplus notes and Ambac UK debt are classified as Level 3.

Other Financial Assets and Liabilities:

Included in Other assets are Loans and Ambac’s equity interest in an Ambac sponsored VIE established to provide certain financial guarantee clients with funding for their debt obligations. The fair values of these financial assets are estimated based upon internal valuation models and are classified as Level 3.

Variable Interest Entity Assets and Liabilities:

The financial assets and liabilities of FG VIEs consolidated under the Consolidation Topic of the ASC consist primarily of fixed ~~income~~maturity securities and loans held by the VIEs, derivative ~~and debt~~ instruments and notes issued by the VIEs which are ~~generally carried at fair value. These consolidated~~reported as long-term debt. As described in Note 3. Variable Interest Entities, these FG VIEs are securitization entities which have liabilities and/or assets guaranteed by ~~Ambac Assurance~~AAC or Ambac UK.

The fair values of FG VIE long-term debt ~~instruments~~ are ~~determined using the same methodologies used to value Ambac’s fixed income securities in its investment portfolio as described above. VIE debt fair value is~~ based on ~~market prices~~price quotes received from independent market ~~sources.~~sources when available. Such quotes are considered Level 2 and generally consider a variety of factors, including recent trades of the same and similar securities. ~~VIE debt~~For those instruments where quotes were not available or cannot be reasonably corroborated, fair ~~value balances at March 31, 2020 and December 31, 2019 were~~values are based on ~~market prices received from independent market sources and do not use significant unobservable inputs.~~internal valuation models. Comparable to the sensitivities of investments in fixed ~~income~~maturity securities described above, longer (shorter) expected maturities or higher (lower) yields used in the valuation model will, in isolation, result in decreases (increases) in fair value liability measurement for FG VIE long-term debt.

FG VIE derivative asset and liability fair values are determined using vendor-developed valuation ~~models. When~~models, which incorporated observable market data related to specific derivative contractual terms ~~are available and may be valued primarily by reference to~~including interest rates, foreign exchange rates and yield curves that are observable and regularly quoted, the derivatives are valued using vendor-developed models. Other derivatives within the VIEs that include significant unobservable valuation inputs are valued using internally developed

~~| Ambac Financial Group, Inc.~~ 25~~2020 First Quarter FORM 10-Q~~ |

~~Table of Contents~~

~~AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES~~

~~Notes to Unaudited Consolidated Financial Statements~~

~~(Dollar Amounts in Millions, Except Share Amounts)~~

~~models. VIE derivative liability fair value balances at March 31, 2020 and December 31, 2019 were developed using vendor-developed models and do not use significant unobservable inputs.~~curves.

The fair value of FG VIE fixed maturity securities and loan assets are ~~obtained~~based on Level 2 market price quotes received from independent market ~~quotes~~sources when available. Typically, FG VIE asset fair values are not readily available from market quotes and are estimated internally. The consolidated VIEs are entities in which net cash flows from assets and derivatives (after adjusting for financial guarantor cash flows and other expenses) will be paid out to note holders or equity interests. Internal ~~valuations~~valuation of ~~VIE assets (fixed income~~each FG VIE’s fixed maturity securities or ~~loans), therefore,~~loan assets are ~~generally~~ derived from the fair ~~value~~values of the notes issued by the respective VIE and the VIE’s derivatives, determined as described above, adjusted for the fair ~~value~~values of ~~cash flows from~~ Ambac’s financial ~~guarantee.~~guarantees associated with the VIE. The fair value of financial ~~guarantee cash flows include:~~guarantees consist of: (i) estimated future ~~premiums~~premium cash flows discounted at a rate consistent with that implicit in the fair value of the VIE’s liabilities and (ii) ~~internal~~ estimates of future ~~loss~~claim payments ~~by Ambac~~ discounted at a rate that includes Ambac’s own credit risk. Estimated future premium payments to be paid by the VIEs were discounted at a ~~par-weighted~~weighted average rate of ~~2.5%~~2.8% and ~~2.7%~~2.4% at March 31, ~~2020~~2021 and December 31, ~~2019,~~2020, respectively. At March 31, ~~2020,~~2021, the range of these discount rates was between 2.3% and ~~11.0%~~3.5%. ~~The value of future loss payments to be paid by Ambac to the VIEs was adjusted to include an Ambac CVA appropriate for the term of expected Ambac claim payments.~~

| Ambac Financial Group, Inc. 26 ~~2020~~2021 First Quarter FORM 10-Q|

Table of Contents

AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

(Dollar Amounts in Millions, Except Share Amounts)

Additional Fair Value Information for Financial Assets and Liabilities Accounted for at Fair Value:

The following tables present the changes in the Level 3 fair value category for the periods presented in ~~2020~~2021 and ~~2019.~~2020. Ambac classifies financial instruments in Level 3 of the fair value hierarchy when there is reliance on at least one significant unobservable input to the valuation model. In addition to these unobservable inputs, the valuation models for Level 3 financial instruments typically also rely on a number of inputs that are readily observable either directly or indirectly. Thus, the gains and losses presented below include changes in the fair value related to both observable and unobservable inputs.


Level 3 - Financial Assets and Liabilities Accounted for at Fair Value
							VIE Assets and Liabilities
	Investments(1)		Other Assets(2)		Derivatives		Investments		Loans		Total
Three Months Ended March 31, 2021:
Balance, beginning of period	$	78	$	1	$	84	$	3,215	$	2,998	$	6,376

Total gains/(losses) realized and unrealized:
Included in earnings	0		0		(17)		(138)		9		(145)
Included in other comprehensive income	(2)		—		—		26		24		49
Purchases	—		—		—		—		—		—
Issuances	—		—		—		—		—		—
Sales	—		—		—		—		—		—
Settlements	0		—		(2)		—		(84)		(86)



Balance, end of period	$	76	$	1	$	65	$	3,103	$	2,948	$	6,194
The amount of total gains/(losses) included in earnings attributable to the change in unrealized gains or losses relating to assets and liabilities still held at the reporting date	$	—	$	0	$	(17)	$	(138)	$	9	$	(145)
The amount of total gains/(losses) included in other comprehensive income attributable to the change in unrealized gains or losses relating to assets and liabilities still held at the reporting date	$	(2)	$	0	$	0	$	26	$	24	$	49

Three Months Ended March 31, 2020:
Balance, beginning of period	$	72	$	3	$	66	$	2,957	$	3,108	$	6,207

Total gains/(losses) realized and unrealized:
Included in earnings	0		0		12		30		88		130
Included in other comprehensive income	(6)		—		—		(181)		(190)		(377)
Purchases	—		—		—		—		—		—
Issuances	—		—		—		—		—		—
Sales	—		—		—		—		—		—
Settlements	0		—		(1)		—		(74)		(76)



Balance, end of period	$	66	$	3	$	77	$	2,806	$	2,932	$	5,884
The amount of total gains/(losses) included in earnings attributable to the change in unrealized gains or losses relating to assets and liabilities still held at the reporting date	$	—	$	0	$	12	$	30	$	88	$	130
The amount of total gains/(losses) included in other comprehensive income attributable to the change in unrealized gains or losses relating to assets and liabilities still held at the reporting date	$	(6)	$	0	$	0	$	(181)	$	(190)	$	(377)

Level 3 - Financial Assets and Liabilities Accounted for at Fair Value
VIE Assets and Liabilities
Investments
Other
Assets⁽¹⁾
Derivatives Investments Loans Long-term
Debt Total
Three Months Ended March 31, 2020:
Balance, beginning of period $ 72
$ 3
$ 66
$ 2,957
$ 3,108
$ —
$ 6,207
Total gains/(losses) realized and unrealized:
Included in earnings —
—
12
30
88
—
130
Included in other comprehensive income (6 ) —
—
(181 ) (190 ) —
(377 )
Purchases —
—
—
—
—
—
—
Issuances —
—
—
—
—
—
—
Sales —
—
—
—
—
—
—
Settlements —
—
(1 ) —
(74 ) —
(76 )
Balance, end of period $ 66
$ 3
$ 77
$ 2,806
$ 2,932
$ —
$ 5,884
The amount of total gains/(losses) included in earnings attributable to the change in unrealized gains or losses relating to assets and liabilities still held at the reporting date $ —
$ —
$ 12
$ 30
$ 88
$ —
$ 129
The amount of total gains/(losses) included in other comprehensive income attributable to the change in unrealized gains or losses relating to assets and liabilities still held at the reporting date $ (6 ) $ —
$ —
$ (181 ) $ (190 ) $ —
$ (377 )

Three Months Ended March 31, 2019:
Balance, beginning of period $ 72
$ 5
$ 46
$ 2,737
$ 4,288
$ (217 ) $ 6,930
Total gains/(losses) realized and unrealized:
Included in earnings —
—
8
67
88
(3 ) 160
Included in other comprehensive income —
—
—
54
85
(4 ) 135
Purchases —
—
—
—
—
—
—
Issuances —
—
—
—
—
—
—
Sales —
—
—
—
—
—
—
Settlements —
—
(1 ) —
(85 ) —
(87 )
Balance, end of period $ 72
$ 4
$ 53
$ 2,858
$ 4,376
$ (224 ) $ 7,139
The amount of total gains/(losses) included in earnings attributable to the change in unrealized gains or losses relating to assets and liabilities still held at the reporting date $ —
$ —
$ 8
$ 67
$ 88
$ 3
$ 166
(1) Investments classified as Level 3 consist of a single other asset-backed security.

(2) Other assets carried at fair value and classified as Level 3 relate to an equity interest in an Ambac sponsored VIE.

~~(1)~~

~~Other assets carried at fair value and classified as Level 3 relate to an equity interest in an Ambac sponsored VIE.~~

| Ambac Financial Group, Inc. 27 ~~2020~~2021 First Quarter FORM 10-Q|

Table of Contents

AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

(Dollar Amounts in Millions, Except Share Amounts)

The ~~tables~~table below ~~provide~~provides roll-forward information by class of ~~investments and~~ derivatives measured using significant unobservable inputs.

Level 3 - Investments by Class:
Three Months Ended March 31,
Other Asset Backed Securities 2020 2019
Balance, beginning of period $ 72
$ 72
Total gains/(losses) realized and unrealized:
Included in earnings —
—
Included in other comprehensive income (6 ) —
Purchases —
—
Issuances —
—
Sales —
—
Settlements —
—
Balance, end of period $ 66
$ 72
The amount of total gains/(losses) included in earnings attributable to the change in unrealized gains or losses relating to assets and liabilities still held at the reporting date $ —
$ —
The amount of total gains/(losses) included in other comprehensive income attributable to the change in unrealized gains or losses relating to assets and liabilities still held at the reporting date (6 )


Level 3 - Derivatives by Class
	Three Months Ended March 31, 2021						Three Months Ended March 31, 2020
	Interest Rate Swaps		Credit Derivatives		Total Derivatives		Interest Rate Swaps		Credit Derivatives		Total Derivatives
Balance, beginning of period	$	85	$	0	$	84	$	67	$	0	$	66

Total gains/(losses) realized and unrealized:
Included in earnings	(17)		0		(17)		13		(1)		12
Included in other comprehensive income	0		0		0		0		0		0
Purchases	0		0		0		0		0		0
Issuances	0		0		0		0		0		0
Sales	0		0		0		0		0		0
Settlements	(2)		0		(2)		(1)		0		(1)



Balance, end of period	$	66	$	0	$	65	$	79	$	(2)	$	77
The amount of total gains/(losses) included in earnings attributable to the change in unrealized gains or losses relating to assets and liabilities still held at the reporting date	$	(17)	$	0	$	(17)	$	13	$	(2)	$	12
The amount of total gains/(losses) included in other comprehensive income attributable to the change in unrealized gains or losses relating to assets and liabilities still held at the reporting date	$	(17)	$	0	$	(17)	$	0	$	0	$	0

Level 3 - Derivatives by Class:
Three Months Ended March 31, 2020 Three Months Ended March 31, 2019
Interest
Rate Swaps Credit
Derivatives Total
Derivatives Interest
Rate Swaps Credit
Derivatives Total
Derivatives
Balance, beginning of period $ 67
$ —
$ 66
$ 47
$ (1 ) $ 46
Total gains/(losses) realized and unrealized:
Included in earnings 13
(1 ) 12
8
—
8
Included in other comprehensive income —
—
—
—
—
—
Purchases —
—
—
—
—
—
Issuances —
—
—
—
—
—
Sales —
—
—
—
—
—
Settlements (1 ) —
(1 ) (1 ) —
(1 )
Balance, end of period $ 79
$ (2 ) $ 77
$ 54
$ (1 ) $ 53
The amount of total gains/(losses) included in earnings attributable to the change in unrealized gains or losses relating to assets and liabilities still held at the reporting date $ 13
$ (2 ) $ 12
$ 8
$ —
$ 8

Invested assets and VIE long-term debt are transferred into Level 3 when internal valuation models that include significant unobservable inputs are used to estimate fair value. All such securities that have internally modeled fair values have been

classified as Level 3.

Derivative instruments are transferred into Level 3 when the use of unobservable inputs becomes significant to the overall valuation.

There were no0 transfers of financial instruments into or out of Level 3 in the periods disclosed.

Gains and losses (realized and unrealized) relating to Level 3 assets and liabilities included in earnings for the affected periods are reported as follows:


	Net Investment Income		Net Gains (Losses) on Derivative Contracts		Income (Loss) on Variable Interest Entities		Other Income or (Expense)
Three Months Ended March 31, 2021:
Total gains (losses) included in earnings for the period	$	0	$	(17)	$	(129)	$	0
Changes in unrealized gains (losses) relating to financial instruments still held at the reporting date	0		(17)		(129)		0

Three Months Ended March 31, 2020:
Total gains (losses) included in earnings for the period	$	0	$	12	$	118	$	0
Changes in unrealized gains (losses) relating to financial instruments still held at the reporting date	0		12		118		0

~~| Ambac Financial Group, Inc.~~ 28~~2020 First Quarter FORM 10-Q~~ |

~~Table of Contents~~

~~AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES~~

~~Notes to Unaudited Consolidated Financial Statements~~

~~(Dollar Amounts in Millions, Except Share Amounts)~~

Net
Investment
Income
Net Gains
(Losses) on
Derivative
Contracts
Income
(Loss) on
Variable
Interest
Entities Other
Income
or (Loss)
Three Months Ended March 31, 2020:
Total gains or losses included in earnings for the period $ —
$ 12
$ 118
$ —
Changes in unrealized gains or losses included in earnings relating to the assets and liabilities still held at the reporting date —
12
118
—

Three Months Ended March 31, 2019:
Total gains or losses included in earnings for the period $ —
$ 8
$ 152
$ —
Changes in unrealized gains or losses included in earnings relating to the assets and liabilities still held at the reporting date —
8
152
—

9. INVESTMENTS

Ambac’s non-VIE invested assets are primarily comprised of fixed ~~income~~maturity securities classified as available-for-sale and interests in pooled investment funds, which are reported within Other investments on the Consolidated Balance Sheets. Interests in pooled investment funds in the form of common stock or in-substance common stock are classified as trading securities, while limited partner interests in such funds are reported using the equity method. Other investments also ~~include~~included equity interests held by AFG, including the equity Certificates in Corolla Trust, an unconsolidated trust created in connection with its sale of Segregated Account junior surplus notes on August 28, 2014. As

further described in Note 1. Background and Business Description, on January 22, 2021, AAC completed the Corolla Note Exchange transaction whereby it acquired 100% of the outstanding obligations and the Certificates of, and subsequently dissolved, the Corolla Trust. There are no equity interests held by AFG as of March 31, 2021.

Disclosures in this Note for the ~~period~~periods ended March 31, 2021 and December 31, 2020, are in accordance with the new CECL standard adopted January 1, 2020, which is more fully described in Note 2, Basis of Presentation and Significant Accounting ~~Policies. To the extent disclosures for periods prior to January 1, 2020, made in accordance with prior GAAP rules differ from disclosures under the new CECL standard, such differences are explained below.~~

~~Fixed Income Securities:~~

~~The amortized cost and estimated fair value of available-for-sale investments, excluding VIE investments, at March 31, 2020 and December 31, 2019 were as follows:~~

Amortized
Cost Allowance for Credit Losses Gross
Unrealized
Gains in AOCI Gross
Unrealized
Losses in AOCI Estimated
Fair Value
March 31, 2020:
Fixed income securities:
Municipal obligations $ 196
$ —
$ 23
$ 1
$ 218
Corporate obligations ⁽¹⁾
1,284
—
18
42
1,261
Foreign obligations 41
—
1
—
42
U.S. government obligations 168
—
10
—
177
Residential mortgage-backed securities 207
—
14
19
203
Commercial mortgage-backed securities 51
—
1
1
51
Collateralized debt obligations 144
—
—
11
132
Other asset-backed securities 277
—
14
8
283
2,367
—
81
81
2,367
Short-term 586
—
—
—
586
2,953
—
81
81
2,952
Fixed income securities pledged as collateral:
Short-term 85
—
—
—
85
Total collateralized investments 85
—
—
—
85
Total available-for-sale investments $ 3,038
$ —
$ 81
$ 81
$ 3,037

| Ambac Financial Group, Inc. 2928 ~~2020~~2021 First Quarter FORM 10-Q|

Table of Contents

AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

(Dollar Amounts in Millions, Except Share Amounts)

Policies in the Notes to Consolidated Financial Statements included Part II, Item 8 in the Company’s Annual Report on Form 10-K for the year ended December 31, 2020,

Amortized
Cost Gross
Unrealized
Gains Gross
Unrealized
Losses Estimated
Fair Value
Non-credit
Other-than
temporary
Impairments ⁽²⁾
December 31, 2019:
Fixed income securities:
Municipal obligations $ 194
$ 22
$ —
$ 215
$ —
Corporate obligations ⁽¹⁾
1,396
36
2
1,430
—
Foreign obligations 44
1
—
44
—
U.S. government obligations 157
2
2
156
—
Residential mortgage-backed securities 200
47
—
248
—
Commercial mortgage-backed securities 49
1
—
50
—
Collateralized debt obligations 147
—
1
146
—
Other asset-backed securities 263
24
—
287
—
2,450
132
5
2,577
—
Short-term 653
—
—
653
—
3,103
132
5
3,230
—
Fixed income securities pledged as collateral:
Short-term 85
—
—
85
—
Total collateralized investments 85
—
—
85
—
Total available-for-sale investments $ 3,187
$ 132
$ 5
$ 3,314
$ —
Fixed Maturity Securities:


~~(1)~~	~~Includes Ambac's holdings of the secured notes issued by Ambac LSNI in connection with the Rehabilitation Exit Transactions.~~


~~(2)~~	At December 31, 2019, represents the amount of non-credit other-than-temporary impairment losses remaining in accumulated other comprehensive income on securities that also had a credit impairment. These losses are included in gross unrealized losses at December 31, 2019.

The amortized cost and estimated fair value of available-for-sale investments, excluding VIE investments, at March 31, 2021 and December 31, 2020, were as follows:


	Amortized Cost		Allowance for Credit Losses		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
March 31, 2021:
Fixed maturity securities:
Municipal obligations	$	329	$	0	$	38	$	0	$	366
Corporate obligations (1)	1,106		0		14		13		1,108
Foreign obligations	98		0		0		1		97
U.S. government obligations	109		0		1		2		108

Residential mortgage-backed securities	219		0		50		0		269

Collateralized debt obligations	97		0		0		0		97
Other asset-backed securities (2)	262		0		33		0		295
	2,221		0		136		17		2,341
Short-term	398		0		0		0		397
	2,619		0		136		17		2,738
Fixed maturity securities pledged as collateral:
U.S. government obligations	15		0		0		0		15
Short-term	105		0		0		0		105
	120		0		0		0		120
Total available-for-sale investments	$	2,739	$	0	$	136	$	17	$	2,858


	Amortized Cost		Allowance for Credit Losses		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
December 31, 2020:
Fixed maturity securities:
Municipal obligations	$	321	$	0	$	37	$	0	$	358
Corporate obligations (1)	1,059		0		24		6		1,077
Foreign obligations	97		0		1		0		98
U.S. government obligations	105		0		2		1		106

Residential mortgage-backed securities	256		0		46		0		302

Collateralized debt obligations	74		0		0		0		74
Other asset-backed securities (2)	263		0		40		0		303
	2,175		0		149		8		2,317
Short-term	492		0		0		0		492
	2,667		0		149		8		2,809
Fixed maturity securities pledged as collateral:
U.S. government obligations	15		0		0		0		15
Short-term	125		0		0		0		125
	140		0		0		0		140
Total available-for-sale investments	$	2,807	$	0	$	149	$	8	$	2,949

(1)Includes Ambac's holdings of the secured notes issued by Ambac LSNI in connection with the Rehabilitation Exit Transactions.

(2)Consists primarily of Ambac's holdings of the military housing and student loan securities.

| Ambac Financial Group, Inc. 292021 First Quarter FORM 10-Q |

Table of Contents

AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

(Dollar Amounts in Millions, Except Share Amounts)

The amortized cost and estimated fair value of available-for-sale investments, excluding VIE investments, at March 31, 2021, by contractual maturity, were as follows:

Amortized
Cost Estimated
Fair Value
Due in one year or less $ 683
$ 683
Due after one year through five years 1,083
1,062
Due after five years through ten years 447
462
Due after ten years 145
161
2,359
2,368
Residential mortgage-backed securities 207
203
Commercial mortgage-backed securities 51
51
Collateralized debt obligations 144
132
Other asset-backed securities 277
283
Total $ 3,038
$ 3,037


	Amortized Cost		Estimated Fair Value
Due in one year or less	$	617	$	618
Due after one year through five years	906		912
Due after five years through ten years	455		459
Due after ten years	183		209
	2,160		2,197
Residential mortgage-backed securities	219		269

Collateralized debt obligations	97		97
Other asset-backed securities	262		295
Total	$	2,739	$	2,858

Expected maturities will differ from contractual maturities because borrowers may have the right to call or prepay certain obligations with or without call or prepayment penalties.

Unrealized Losses on Fixed ~~Income~~Maturity Securities:

The following table shows gross unrealized losses and fair values of Ambac’s available-for-sale investments, excluding VIE investments, which at March 31, 2021 and December 31, 2020, did not have an allowance for credit losses under the ~~new~~ CECL ~~standard and, at December 31, 2019 did not have other-than-temporary impairments recorded in earnings under prior GAAP.~~standard. This information is aggregated by investment category and length of time that the individual securities have been in a continuous unrealized loss position, at March 31, ~~2020~~2021 and December 31, ~~2019:~~2020:


	Less Than 12 Months				12 Months or More				Total
	Fair Value		Gross Unrealized Loss		Fair Value		Gross Unrealized Loss		Fair Value		Gross Unrealized Loss
March 31, 2021:
Fixed maturity securities:
Municipal obligations	$	19	$	0	$	16	$	0	$	35	$	0
Corporate obligations	339		13		0		0		339		13
Foreign obligations	70		1		0		0		70		1
U.S. government obligations	25		2		0		0		25		2

Residential mortgage-backed securities	15		0		2		0		17		0

Collateralized debt obligations	13		0		13		0		26		0
Other asset-backed securities	0		0		0		0		0		0
	481		17		31		0		512		17
Short-term	157		0		0		0		157		0




Total securities	$	638	$	17	$	31	$	0	$	669	$	17




December 31, 2020:
Fixed maturity securities:
Municipal obligations	$	25	$	0	$	6	$	0	$	31	$	0
Corporate obligations	543		6		0		0		543		6
Foreign obligations	3		0		0		0		3		0
U.S. government obligations	17		1		0		0		17		1

Residential mortgage-backed securities	14		0		0		0		14		0

Collateralized debt obligations	27		0		15		0		42		0
Other asset-backed securities	0		0		4		0		4		0
	629		7		25		0		654		8
Short-term	187		0		0		0		187		0




Total securities	$	816	$	7	$	25	$	0	$	841	$	8

| Ambac Financial Group, Inc. 30 ~~2020~~2021 First Quarter FORM 10-Q|

Table of Contents

AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

(Dollar Amounts in Millions, Except Share Amounts)

Less Than 12 Months 12 Months or More Total
Fair Value Gross
Unrealized
Loss Fair Value Gross
Unrealized
Loss Fair Value Gross
Unrealized
Loss
March 31, 2020:
Fixed income securities:
Municipal obligations $ 15
$ 1
$ 8
$ —
$ 23
$ 1
Corporate obligations 769
42
—
—
769
42
Foreign obligations 1
—
—
—
1
—
U.S. government obligations 3
—
—
—
3
—
Residential mortgage-backed securities 125
19
—
—
125
19
Commercial mortgage-backed securities 24
1
—
—
24
1
Collateralized debt obligations 99
8
33
3
132
11
Other asset-backed securities 83
7
7
1
90
8
1,119
77
48
4
1,167
81
Short-term 50
—
—
—
50
—
Total securities $ 1,169
$ 77
$ 48
$ 4
$ 1,217
$ 81

Less Than 12 Months 12 Months or More Total
Fair Value Gross
Unrealized
Loss Fair Value Gross
Unrealized
Loss Fair Value Gross
Unrealized
Loss
December 31, 2019:
Fixed income securities:
Municipal obligations $ 13
$ —
$ 10
$ —
$ 23
$ —
Corporate obligations 63
2
5
—
68
2
Foreign obligations 20
—
—
—
20
—
U.S. government obligations 36
2
2
—
38
2
Residential mortgage-backed securities 5
—
—
—
5
—
Commercial mortgage-backed securities 7
—
—
—
7
—
Collateralized debt obligations 53
—
63
1
116
1
Other asset-backed securities 2
—
7
—
10
—
200
4
88
1
288
5
Short-term 201
—
—
—
201
—
Total securities $ 401
$ 4
$ 88
$ 1
$ 489
$ 5

Management has determined that the securities in the above table do not have credit impairment as of March 31, ~~2020~~2021 and December 31, ~~2019,~~2020, based upon ~~various factors, including~~ (i) no actual or expected principal and interest payment defaults on these securities; (ii) analysis of the creditworthiness of the issuer and financial guarantor, as applicable, and (iii) for debt securities that are non-highly rated beneficial interests in securitized financial assets, analysis of whether there was an adverse change in projected cash flows. Management's evaluation as of March 31, ~~2020~~2021, includes the expectation that all principal and interest payments on securities guaranteed by ~~Ambac Assurance~~AAC or Ambac UK will be made timely and in full.

As of March 31, 2020, corporate securities in an unrealized loss position included $456 of Secured Notes issued by Ambac LSNI with an unrealized loss $24. The Secured Notes are insured under a financial guarantee policy issued by Ambac Assurance. Corporate

securities also included $12 million of other non-investment grade securities with an aggregate gross unrealized loss of $4. The determination that these securities were not credit impaired was based on a security level assessment of default probability derived from historical data for the applicable asset class and credit rating. This assessment also considered the potential increased risk under a stressed macroeconomic environment. The remaining corporate securities carry investment grade credit ratings and suffered temporary price declines consistent with the broader bond market. There are no expected defaults among these securities.

Residential mortgage backed securities ("RMBS") and other asset backed securities in an unrealized loss position at March 31, 2020, are primarily RMBS and student loan securities guaranteed by Ambac Assurance. For these securities, management compared the present value of cash flows expected to be collected to the amortized cost basis of the securities to assess whether the amortized cost will

~~| Ambac Financial Group, Inc.~~ 31~~2020 First Quarter FORM 10-Q~~ |

~~Table of Contents~~

~~AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES~~

~~Notes to Unaudited Consolidated Financial Statements~~

~~(Dollar Amounts in Millions, Except Share Amounts)~~

be recovered. Cash flows considered full payment of interest and principal through Ambac's financial guarantee. For floating rate securities, future cash flows were adjusted to reflect changes in the index rate applicable to each security as of the evaluation date. Cash flows were discounted at the effective interest rate. Adverse changes in cash flows attributable solely to changes in the index rate of securities are not considered impaired.

Collateralized debt obligations in an unrealized loss position at March 31, 2020, are highly rated collateralized loan obligations ("CLOs"). The CLO market experienced indiscriminate price declines as certain market participants sought to generate excess liquidity. Management determined that these price declines are temporary and that the CLOs are not credit impaired as of March 31, 2020.

Ambac’s assessment about whether a ~~decline in value~~security is ~~other-than-temporary~~credit impaired reflects management’s current judgment regarding facts and circumstances specific to athe security and other factors. If that judgment changes, Ambac may record a charge for credit impairment in future periods.

Realized Gains and Losses including Impairments:

The following table details amounts included in net realized gains (losses) and impairments included in earnings for the affected periods:


Three Months Ended March 31,	2021		2020
Gross realized gains on securities	$	7	$	6
Gross realized losses on securities	(1)		0
Foreign exchange (losses) gains	(4)		2
Credit impairments	0		0
Intent / requirement to sell impairments	0		0
Net realized gains (losses)	$	2	$	8

Three Months Ended March 31,
2020 2019
Gross realized gains on securities $ 6
$ 24
Gross realized losses on securities —
(4 )
Net foreign exchange (losses) gains 2
(3 )
Credit impairments ⁽¹⁾
—
—
Intent / requirement to sell impairments ⁽²⁾
—
—
Net realized gains (losses) $ 8
$ 17


~~(1)~~	~~Includes securities which management does not intend to sell and it is not more likely than not that the company will be required to sell before recovery of the amortized cost basis.~~


~~(2)~~	~~Includes securities which management either intends sell or it is more likely than not that the company will be required to sell before recovery of the amortized cost basis.~~

The following table presents a roll-forward of Ambac’s cumulative credit losses on debt securities for which a portion of an other-than-temporary impairment was recognized in other comprehensive income under prior GAAP for the period ended December 31, 2019:

Three Months Ended March 31, 2019
Balance, beginning of period $ 12
Additions for credit impairments recognized on:
Securities not previously impaired —
Securities previously impaired —
Reductions for credit impairments previously recognized on:
Securities that matured or were sold during the period —
Balance, end of period $ 12

Ambac had 0 allowance for credit losses at March 31, 2021 and 2020.

Ambac did not purchase any financial assets with credit deterioration for the three ~~month period~~months ended March 31, 2021 and 2020.

Counterparty Collateral, Deposits with Regulators and Other Restrictions:

Ambac routinely pledges and receives collateral related to certain transactions. Securities held directly in Ambac’s investment

portfolio with a fair value of ~~$85~~$120 and ~~$85~~$140 at March 31, ~~2020~~2021 and December 31, ~~2019,~~2020, respectively, were pledged to derivative counterparties. Ambac’s derivative counterparties have the right to re-pledge the investment securities and as such, these pledged securities are separately classified on the Consolidated Balance Sheets as “Fixed ~~income~~maturity securities pledged as collateral, at fair value” and "Short-term investments pledged as collateral, at fair value.". Refer to Note 9.10. Derivative Instruments for further information on cash collateral. There ~~were~~was no cash or securities received from other counterparties that were re-pledged by Ambac.

Securities carried at $7$8 and $6$8 at March 31, ~~2020~~2021 and December 31, ~~2019,~~2020, respectively, were deposited by ~~Ambac and Everspan~~Ambac's insurance subsidiaries with governmental authorities or designated custodian banks as required by laws affecting insurance companies. Invested assets carried at $1 and $1 at March 31, ~~2020~~2021 and December 31, ~~2019~~2020, were deposited as security in connection with a letter of credit issued for an office lease.

Securities with a fair value of ~~$174~~$163 and ~~$197~~$178 at March 31, ~~2020~~2021 and December 31, ~~2019,~~2020, respectively, were pledged as collateral and as sources of funding to repay the Secured Notes issued by Ambac LSNI. The securities may not be transferred or ~~repledged~~re-pledged by Ambac LSNI. Collateral may be sold to fund redemptions of the Secured Notes. ~~Ambac Assurance~~

AAC also pledged for the benefit of the holders of Secured Notes (other than ~~Ambac Assurance)~~AAC) the proceeds of interest payments and partial redemptions of the Secured Notes held by ~~Ambac Assurance.~~AAC. The amount of such proceeds held by ~~Ambac Assurance~~AAC was ~~$31~~$12 and ~~$55~~$9 at March 31, ~~2020~~2021 and December 31, ~~2019,~~2020, respectively, and is included in Restricted cash on the Consolidated Balance Sheet. ~~Ambac Assurance~~AAC may, from time to time, sell all or a portion of the Secured Notes it owns. In the event that ~~Ambac Assurance~~AAC sells any of the Secured Notes it owns, the proceeds must be used to redeem a like amount of the Ambac Note at par. The price at which ~~Ambac Assurance~~AAC sells the Secured Notes may differ from the price at which it redeems the Secured Notes.

~~| Ambac Financial Group, Inc.~~ 32~~2020 First Quarter FORM 10-Q~~ |

~~Table of Contents~~

~~AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES~~

~~Notes to Unaudited Consolidated Financial Statements~~

~~(Dollar Amounts in Millions, Except Share Amounts)~~

Guaranteed Securities:

Ambac’s fixed ~~income~~maturity portfolio includes securities covered by guarantees issued by ~~Ambac Assurance~~AAC and other financial guarantors (“insured securities”). The published rating agency ratings on these securities reflect the higher of the financial strength rating of the financial guarantor or the rating of the underlying issuer. Rating agencies do not always publish separate underlying ratings (those ratings excluding the insurance by the financial guarantor). In the event these underlying ratings are not available from the rating agencies, Ambac will assign an internal rating. The following table represents the fair value ~~including the value of the financial guarantee,~~ and weighted-average underlying rating ~~excluding the financial guarantee,~~ of ~~the~~ insured securities in Ambac's investment portfolio at March 31, ~~2020~~2021 and December 31, ~~2019,~~2020, respectively:

Municipal
Obligations
Corporate
Obligations ⁽²⁾
Mortgage
and Asset-
backed
Securities Total
Weighted
Average
Underlying
Rating ⁽¹⁾
March 31, 2020:
Ambac Assurance Corporation $ 181
$ 495
$ 396
$ 1,072
B
National Public Finance Guarantee Corporation 9
—
—
9
BBB-
Total $ 189
$ 495
$ 396
$ 1,081
B

December 31, 2019:
Ambac Assurance Corporation $ 176
$ 535
$ 442
$ 1,153
B-
National Public Finance Guarantee Corporation 11
—
—
11
BBB-
Total $ 187
$ 535
$ 442
$ 1,164
B-

| Ambac Financial Group, Inc. 31 2021 First Quarter FORM 10-Q |


~~(1)~~	~~Ratings are based on the lower of Standard & Poor’s or Moody’s rating. If unavailable, Ambac’s internal rating is used.~~


~~(2)~~	~~Represents Ambac's holdings of secured notes issued by Ambac LSNI in connection with the Rehabilitation Exit Transactions. These secured notes are insured by Ambac Assurance.~~

Table of Contents

AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

(Dollar Amounts in Millions, Except Share Amounts)


	Municipal Obligations		Corporate Obligations (2)		Mortgage and Asset- backed Securities		Total		Weighted Average Underlying Rating (1)
March 31, 2021:
Ambac Assurance Corporation	$	323	$	464	$	465	$	1,252	CCC+
National Public Finance Guarantee Corporation	4		0		—		4		BBB-
Assured Guaranty Municipal Corporation	1		0		—		1		C



Total	$	328	$	464	$	465	$	1,257	CCC+

December 31, 2020:
Ambac Assurance Corporation	$	320	$	465	$	481	$	1,266	CCC+
National Public Finance Guarantee Corporation	6		0		—		6		BBB-
Assured Guaranty Municipal Corporation	1		0		—		1		C



Total	$	327	$	465	$	481	$	1,273	CCC+

(1)Ratings are based on the lower of Standard & Poor’s or Moody’s rating. If unavailable, Ambac’s internal rating is used.

(2)Represents Ambac's holdings of secured notes issued by Ambac LSNI in connection with the Rehabilitation Exit Transactions. These secured notes are insured by AAC.

Other Investments:

Ambac's investment portfolio includes interests in various pooled investment funds. Fair value and additional information about investments in pooled funds, by investment type, is summarized in the table below. Except as noted in the table, fair value as reported is determined using net asset value ("NAV") as a practical expedient. Redemption of certain funds valued using NAV may be subject to withdrawal limitations and/or redemption fees which could vary with the timing and notification of withdrawal provided by the investor. In addition to these investments, Ambac has unfunded commitments of $102 to private credit and private equity funds at March 31, ~~2020~~2021.


	Fair Value
Class of Funds	March 31, 2021		December 31, 2020		Redemption Frequency	Redemption Notice Period
Real estate properties (1)	$	16	$	16	quarterly	10 business days
Hedge funds (2)	210		196		quarterly or semi-annually	90 days
High yields and leveraged loans (3) (10)	77		78		daily	0 - 30 days
Private credit (4)	67		65		quarterly if permitted	180 days if permitted
Insurance-linked investments (5)	3		3		see footnote (5)	see footnote (5)
Equity market investments (6) (10)	82		73		daily or quarterly	0 - 90 days
Investment grade floating rate income (7)	98		73		weekly	0 days
Private equity (8)	14		13		quarterly if permitted	90 days if permitted
Emerging markets debt (9) (10)	33		25		daily	0 days
Total equity investments in pooled funds	$	600	$	543

(1)Investments consist of ~~$76~~UK property to ~~private~~generate income and capital growth.

(2)This class seeks to generate superior risk-adjusted returns through selective asset sourcing, active trading and hedging strategies across a range of asset types.

(3)This class of funds includes investments in a range of instruments including high-yield bonds, leveraged loans, CLOs, ABS and floating rate notes to generate income and capital appreciation.

(4)This class aims to obtain high long-term returns primarily through credit and preferred equity investments with low liquidity and defined term.

(5)This class seeks to generate returns from insurance markets through investments in catastrophe bonds, life insurance and other insurance linked investments. This investment is restricted in connection with the unwind of certain insurance linked exposures. Ambac has redeemed its investment to the extent permitted by the fund.

(6)This class of funds aim to achieve long term growth through diversified exposure to global equity-markets.

(7)This class of funds includes investments in high quality floating rate debt securities including ABS and corporate floating rate notes.

(8)This class seeks to generate long-term capital appreciation through investments in private equity, equity-related and ~~hedge funds.~~other instruments.

(9)This class seeks long-term income and growth through investments in the bonds of issuers in emerging markets.

(10)These categories include fair value amounts totaling $99 and $89 at March 31, 2021 and December 31, 2020, respectively, that are readily determinable and are priced through pricing vendors, including for High yield and leveraged loans products: $0 and $3; for Equity market investments: $66 and $60; and for Emerging markets debt $33 and $25.

Fair Value
Class of Funds March 31,
2020 December 31,
2019 Redemption Frequency Redemption Notice Period
Real estate properties⁽¹⁾
$ 15
$ 16
quarterly 10 business days
Hedge funds ⁽²⁾
60
65
quarterly 90 days
High yields and leveraged loans ^{(3) (10)}
57
176
daily 0 - 30 days
Private credit ⁽⁴⁾
47
51
quarterly 180 days if permitted
Insurance-linked investments⁽⁵⁾
3
3
fully redeemed none
Equity market investments^{(6) (10)}
58
55
daily 0 days
Investment grade floating rate income ⁽⁷⁾
52
66
weekly 0 days
Private equity ⁽⁸⁾
4
—
quarterly 90 days if permitted
Emerging markets debt ^{(9) (10)}
16
—
daily 0 days
Total equity investments in pooled funds $ 312
$ 432


~~(1)~~	~~Investments consist of UK property to generate income and capital growth.~~


~~(2)~~	This class seeks to generate superior risk-adjusted returns through selective asset sourcing, active trading and hedging strategies within structured credit markets, including mortgage-backed securities, commercial real estate securities and loans, CLOs, REITs and asset backed securities.


~~(3)~~	~~This class of funds includes investments in a range of instruments including high-yield bonds, leveraged loans, CLOs, ABS and floating rate notes to generate income and capital appreciation.~~


~~(4)~~	~~This class aims to obtain high long-term return primarily through credit and preferred equity investments with low liquidity and defined term.~~


~~(5)~~	~~This class seeks to generate returns from insurance markets through investments in catastrophe bonds, life insurance and other insurance linked investments.~~


~~(6)~~	~~This class of funds aim to achieve long term growth through diversified exposure to global equity markets.~~


~~(7)~~	~~This class of funds includes investments in high quality floating rate debt securities including ABS and corporate floating rate notes as well as ultra-short term bonds and money market instruments.~~


~~(8)~~	~~This class seeks to generate long-term capital appreciation through investments in private equity, equity-related and other instruments.~~

| Ambac Financial Group, Inc. 3332 ~~2020~~2021 First Quarter FORM 10-Q|

Table of Contents

AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

(Dollar Amounts in Millions, Except Share Amounts)


~~(9)~~	~~This class seeks long-term income and growth through investments in the bonds of issuers in emerging markets.~~


~~(10)~~	~~These categories include fair value amounts totaling $81 and $136 at~~ ~~March 31, 2020 and December 31, 2019~~, respectively that are readily determinable and are priced through pricing vendors, including for High yield and leveraged loans products: $17 and $81; for Equity market investments: $48 and $55; and for Emerging markets debt $16 and $0

Ambac ~~also holds an~~held direct equity interests as of December 31, 2020, including in an unconsolidated trust created in connection with the 2014 sale of Segregated Account junior surplus notes, which iswas accounted for under the equity method.

Investment Income ~~(loss)~~(Loss):

Net investment income (loss) was comprised of the following for the affected periods:

Three Months Ended March 31,
2020 2019
Fixed income securities $ 30
$ 44
Short-term investments 2
4
Loans —
—
Investment expense (2 ) (1 )
Securities available-for-sale and short-term 31
47
Other investments (52 ) 8
Total net investment income (loss) $ (21 ) $ 55


Three Months Ended March 31,	2021		2020
Fixed maturity securities	$	23	$	30
Short-term investments	0		2

Investment expense	(1)		(2)
Securities available-for-sale and short-term	22		31
Other investments	27		(52)
Total net investment income (loss)	$	49	$	(21)

Net investment income (loss) from Other investments primarily represents changes in fair value on securities classified as trading

or accounted for under the fair value option and income from investment limited partnerships ~~accounted for under the equity method and the above noted equity interest in an unconsolidated trust~~ accounted for under the equity method.

The portion of net unrealized gains (losses) related to trading securities still held at the end of each period is as follows:


Three Months Ended March 31,	2021		2020
Net gains (losses) recognized during the period on trading securities	$	7	$	(32)
Less: net gains (losses) recognized during the reporting period on trading securities sold during the period	0		(3)
Unrealized gains (losses) recognized during the reporting period on trading securities still held at the reporting date	$	6	$	(29)

Three Months Ended March 31,
2020 2019
Net gains (losses) recognized during the period on trading securities $ (32 ) $ 7
Less: net gains (losses) recognized during the reporting period on trading securities sold during the period (3 ) 1
Unrealized gains (losses) recognized during the reporting period on trading securities still held at the reporting date $ (29 ) $ 6

~~| Ambac Financial Group, Inc.~~ 34~~2020 First Quarter FORM 10-Q~~ |

~~Table of Contents~~

~~AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES~~

~~Notes to Unaudited Consolidated Financial Statements~~

~~(Dollar Amounts in Millions, Except Share Amounts)~~

9.10. DERIVATIVE INSTRUMENTS

The following tables summarize the gross fair values of individual derivative instruments and the impact of legal rights of offset as reported in the Consolidated Balance Sheets as of March 31, ~~2020~~2021 and December 31, ~~2019:~~2020:


	Gross Amounts of Recognized Assets / Liabilities		Gross Amounts Offset in the Consolidated Balance Sheet		Net Amounts of Assets/ Liabilities Presented in the Consolidated Balance Sheet		Gross Amount of Collateral Received / Pledged Not Offset in the Consolidated Balance Sheet		Net Amount
March 31, 2021:
Derivative Assets:

Interest rate swaps	$	73	$	0	$	73	$	—	$	73
Futures contracts	1		—		1		—		1
Total non-VIE derivative assets	$	74	$	0	$	74	$	0	$	74
Derivative Liabilities:
Credit derivatives	$	0	$	0	$	0	$	—	$	0
Interest rate swaps	85		0		85		85		1


Total non-VIE derivative liabilities	$	86	$	0	$	86	$	85	$	1
Variable Interest Entities Derivative Assets:

Currency swaps	$	38	$	0	$	38	$	—	$	38
Total VIE derivative assets	$	38	$	0	$	38	$	0	$	38
Variable Interest Entities Derivative Liabilities:
Interest rate swaps	$	1,739	$	—	$	1,739	$	—	$	1,739

Total VIE derivative liabilities	$	1,739	$	0	$	1,739	$	0	$	1,739

Gross
Amounts of
Recognized
Assets /
Liabilities Gross
Amounts
Offset in the
Consolidated
Balance Sheet Net Amounts
of Assets/
Liabilities
Presented in the Consolidated
Balance Sheet Gross Amount
of Collateral
Received /
Pledged Not
Offset in the
Consolidated
Balance Sheet
Net
Amount
March 31, 2020:
Derivative Assets:
Interest rate swaps $ 89
$ 1
$ 88
$ —
$ 88
Total non-VIE derivative assets $ 89
$ 1
$ 88
$ —
$ 88
Derivative Liabilities:
Credit derivatives $ 2
$ —
$ 2
$ —
$ 2
Interest rate swaps 136
1
135
134
1
Total non-VIE derivative liabilities $ 138
$ 1
$ 137
$ 134
$ 3
Variable Interest Entities Derivative Assets:
Currency swaps $ 62
$ —
$ 62
$ —
$ 62
Total VIE derivative assets $ 62
$ —
$ 62
$ —
$ 62
Variable Interest Entities Derivative Liabilities:
Interest rate swaps $ 1,610
$ —
$ 1,610
$ —
$ 1,610
Total VIE derivative liabilities $ 1,610
$ —
$ 1,610
$ —
$ 1,610

| Ambac Financial Group, Inc. 332021 First Quarter FORM 10-Q |

December 31, 2019:
Derivative Assets:
Interest rate swaps $ 75
$ —
$ 75
$ —
$ 75
Total non-VIE derivative assets $ 75
$ —
$ 75
$ —
$ 75
Derivative Liabilities:
Credit derivatives $ —
$ —
$ —
$ —
$ —
Interest rate swaps 89
—
90
89
1
Total non-VIE derivative liabilities $ 90
$ —
$ 90
$ 89
$ 1
Variable Interest Entities Derivative Assets:
Currency swaps $ 52
$ —
$ 52
$ —
$ 52
Total VIE derivative assets $ 52
$ —
$ 52
$ —
$ 52
Variable Interest Entities Derivative Liabilities:
Interest rate swaps $ 1,657
$ —
$ 1,657
$ —
$ 1,657
Total VIE derivative liabilities $ 1,657
$ —
$ 1,657
$ —
$ 1,657

Table of Contents

AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

(Dollar Amounts in Millions, Except Share Amounts)


	Gross Amounts of Recognized Assets / Liabilities		Gross Amounts Offset in the Consolidated Balance Sheet		Net Amounts of Assets/ Liabilities Presented in the Consolidated Balance Sheet		Gross Amount of Collateral Received / Pledged Not Offset in the Consolidated Balance Sheet		Net Amount
December 31, 2020:
Derivative Assets:

Interest rate swaps	$	93	$	0	$	93	$	0	$	93

Total non-VIE derivative assets	$	93	$	0	$	93	$	0	$	93
Derivative Liabilities:

Interest rate swaps	114		0		114		113		1


Total non-VIE derivative liabilities	$	114	$	0	$	114	$	113	$	1
Variable Interest Entities Derivative Assets:

Currency swaps	$	41	$	—	$	41	$	0	$	41
Total VIE derivative assets	$	41	$	0	$	41	$	0	$	41
Variable Interest Entities Derivative Liabilities:
Interest rate swaps	$	1,835	$	—	$	1,835	$	—	$	1,835

Total VIE derivative liabilities	$	1,835	$	0	$	1,835	$	0	$	1,835

Amounts ~~recognized for~~representing the right to reclaim cash collateral or the obligation to return cash collateral are not offset against fair value amounts recognized for derivative instruments on the Unaudited Consolidated Balance Sheets. The amounts representing the right to reclaim cash collateral and posted margin, recorded in “Other assets” were ~~$80~~$4 and ~~$36~~$1 as of March 31, ~~2020~~2021 and December 31, ~~2019,~~2020, respectively. There were 0 amounts held representing an obligation to return cash collateral as of March 31, ~~2020~~2021 and December 31, ~~2019.~~

~~| Ambac Financial Group, Inc.~~ 35~~2020 First Quarter FORM 10-Q~~ |

~~Table of Contents~~

~~AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES~~

~~Notes to Unaudited Consolidated Financial Statements~~

~~(Dollar Amounts in Millions, Except Share Amounts)~~

2020.

The following tables summarize the location and amount of gains and losses of derivative contracts in the Unaudited Consolidated Statements of Total Comprehensive Income (Loss) for the three months ended March 31, ~~2020~~2021 and ~~2019:~~2020:


	Location of Gain (Loss) Recognized in Consolidated Statements of Total Comprehensive Income (Loss)	Amount of Gain (Loss) Recognized in Consolidated Statement of Total Comprehensive Income (Loss)
		Three Months Ended March 31,
		2021		2020
Non-VIE derivatives:



Credit derivatives	Net gains (losses) on derivative contracts	$	0	$	(1)
Interest rate swaps	Net gains (losses) on derivative contracts	17		(29)

Futures contracts	Net gains (losses) on derivative contracts	8		(40)

Total Non-VIE derivatives		$	25	$	(70)
Variable Interest Entities:
Currency swaps	Income (loss) on variable interest entities	$	(2)	$	10
Interest rate swaps	Income (loss) on variable interest entities	97		47
Total Variable Interest Entities		96		57
Total derivative contracts		$	121	$	(13)

Location of Gain or (Loss)
Recognized in Consolidated
Statements of Total
Comprehensive Income (Loss)
Amount of Gain or (Loss) Recognized in Consolidated Statement of Total Comprehensive Income (Loss)
Three Months Ended March 31,
2020 2019
Non-VIE derivatives:
Credit derivatives Net gains (losses) on derivative contracts $ (1 ) $ —
Interest rate swaps Net gains (losses) on derivative contracts (29 ) (3 )
Futures contracts Net gains (losses) on derivative contracts (40 ) (14 )
Total Non-VIE derivatives $ (70 ) $ (16 )
Variable Interest Entities:
Currency swaps Income (loss) on variable interest entities $ 10
$ (7 )
Interest rate swaps Income (loss) on variable interest entities 47
(70 )
Total Variable Interest Entities 57
(77 )
Total derivative contracts $ (13 ) $ (93 )

Credit Derivatives:

Credit derivatives, which are privately negotiated contracts, provide the counterparty with credit protection against the occurrence of a specific event such as a payment default or bankruptcy relating to an underlying obligation. Credit derivatives issued are insured by ~~Ambac Assurance. None of the~~AAC. The outstanding credit derivative ~~transactions~~transaction at March 31, ~~2020,~~2021, does not include ~~ratings based~~ratings-based collateral-posting triggers or otherwise require Ambac to post collateral regardless of Ambac’s ratings or the size of the mark to market exposure to Ambac.

~~The portfolio of our~~Our credit derivatives were written on a “pay-as-you-go” basis. Similar to an insurance policy, ~~execution,~~ pay-as-you-go provides that Ambac pays interest shortfalls on the referenced transaction as

they are incurred on each scheduled payment date, but only pays principal shortfalls upon the earlier of (i) the date on which the assets designated to fund the referenced obligation have been disposed of and (ii) the legal final maturity date of the referenced obligation.

Ambac maintains internal credit ratings on its guaranteed obligations, including credit derivative contracts, solely to indicate management’s view of the underlying credit quality of the guaranteed obligations. The ~~gross~~ principal notional outstanding for credit ~~derivate~~derivative contracts was ~~$275~~$247 and ~~$280~~$257 as of March 31, ~~2020~~2021 and December 31, ~~2019,~~2020, respectively, all of which had internal Ambac ratings of AA in both periods.

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AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

(Dollar Amounts in Millions, Except Share Amounts)

Interest Rate Derivatives:

Ambac, through its subsidiary Ambac Financial Services (“AFS”), uses interest rate swaps, ~~and~~ US Treasury futures contracts and other derivatives, to provide a partial economic hedge against the effects of rising interest rates elsewhere in the Company, including on Ambac’s financial guarantee exposures. Additionally, AFS provided interest rate swaps to states, municipalities and their authorities, asset-backed issuers and other entities in connection with their financings. As of March 31, ~~2020~~2021 and December 31, ~~2019~~2020, the notional amounts of AFS’s derivatives are as follows:


	Notional
Type of Derivative	March 31, 2021		December 31, 2020
Interest rate swaps—pay-fixed/receive-variable	$	987	$	726
US Treasury futures contracts—short	470		240
Interest rate swaps—receive-fixed/pay-variable	190		195

Notional
Type of Derivative March 31,
2020 December 31,
2019
Interest rate swaps—receive-fixed/pay-variable $ 328
$ 332
Interest rate swaps—pay-fixed/receive-variable 1,261
1,261
US Treasury futures contracts—short 240
755

Derivatives of Consolidated Variable Interest Entities

Certain VIEs consolidated under the Consolidation Topic of the ASC entered into derivative contracts to meet specified purposes within the securitization structure. The notional for VIE derivatives outstanding as of March 31, ~~2020~~2021 and December 31, ~~2019 are~~2020, were as follows:


	Notional
Type of VIE Derivative	March 31, 2021		December 31, 2020
Interest rate swaps—receive-fixed/pay-variable	$	1,243	$	1,233
Interest rate swaps—pay-fixed/receive-variable	1,143		1,151
Currency swaps	302		308

Notional
Type of VIE Derivative March 31,
2020 December 31,
2019
Interest rate swaps—receive-fixed/pay-variable $ 1,121
$ 1,194
Interest rate swaps—pay-fixed/receive-variable 1,093
1,176
Currency swaps 302
329
Credit derivatives 8
9

Contingent Features in Derivatives Related to Ambac Credit Risk

Ambac’s over-the-counter interest rate swaps are centrally cleared when eligible. Certain interest rate swaps remain with professional swap-dealer counterparties and direct customer counterparties. These non-cleared swaps are generally executed under standardized derivative documents including collateral support and master netting agreements. Under these agreements, Ambac is required to post collateral in the event net unrealized losses exceed

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~~AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES~~

~~Notes to Unaudited Consolidated Financial Statements~~

~~(Dollar Amounts in Millions, Except Share Amounts)~~

predetermined threshold levels. Additionally, given that ~~Ambac Assurance~~AAC is no longer rated by an independent rating agency, counterparties have the right to terminate the swap positions.

As of March 31, ~~2020~~2021 and December 31, ~~2019,~~2020, the net liability fair value of derivative instruments with contingent features linked to Ambac’s own credit risk was ~~$132~~$85 and ~~$89,~~$113, respectively, related to which Ambac had posted cash and securities as collateral with a fair value of ~~$154~~$103 and ~~$109,~~$130, respectively. All such ratings-based contingent features have been triggered requiring maximum collateral levels to be posted by Ambac while preserving counterparties’ rights to terminate the contracts. Assuming all such contracts terminated at fair value on

March 31, ~~2020,~~2021, settlement of collateral balances and net derivative liabilities would result in a net receipt of cash and/or securities by Ambac. If counterparties elect to exercise their right to terminate, the actual termination payment amounts will be determined in accordance with derivative contract terms, which may result in amounts that differ from market values as reported in Ambac’s financial statements.

~~10.~~11. INCOME TAXES

AFG files a consolidated Federal income tax return with its subsidiaries. AFG and its subsidiaries also file separate or combined income tax returns in various states, local and foreign jurisdictions. The following are the major jurisdictions in which Ambac and its subsidiaries operate and the earliest tax years subject to examination:



Jurisdiction			Tax Year
United States			2010
New York State			2013
New York City			~~2015~~2016
United Kingdom			~~2016~~2017
Italy			~~2015~~2016

In accordance with the Income Tax Topic of the ASC, a valuation allowance is recognized if, based on the weight of available evidence, it is more-likely-than-not that some, or all, of the deferred tax asset will not be realized. As a result of the risks and uncertainties associated with future operating results, management believes it is more likely than not that the Company will not generate sufficient U.S. federal, state and/or local taxable income to recover ~~the~~its deferred tax operating assets and therefore maintains a full valuation allowance.

Consolidated Pretax Income (Loss)

U.S. and foreign components of pre-tax income (loss) were as follows:


Three Months Ended March 31,	2021		2020
U.S.	$	17	$	(257)
Foreign	2		(30)
Total	$	19	$	(287)

Three Months Ended March 31,
2020 2019
U.S. $ (257 ) $ (63 )
Foreign (30 ) 22
Total $ (287 ) $ (41 )

Provision (Benefit) for Income Taxes

The components of the provision for income taxes were as follows:


Three Months Ended March 31,	2021		2020
Current taxes
U. S. federal	$	0	$	0
U.S. state and local	2		0
Foreign	3		(2)
Current taxes	5		(2)
Deferred taxes

Foreign	(3)		(5)
Deferred taxes	(3)		(5)
Provision for income taxes	$	2	$	(7)

Three Months Ended March 31,
2020 2019
Current taxes
U. S. federal $ —
$ —
U.S. state and local —
(4 )
Foreign (2 ) 6
Current taxes (2 ) 3
Deferred taxes
Foreign (5 ) (1 )
Deferred taxes (5 ) (1 )
Provision for income taxes $ (7 ) $ 2

~~NOL Usage~~

Pursuant to the intercompany tax sharing agreement, to the extent Ambac Assurance generates taxable income after September 30, 2011, which is offset with "Allocated NOLs" of $3,650, it is obligated to make payments (“Tolling Payments”), subject to certain credits, to Ambac in accordance with the following NOL usage table, where the “Applicable Percentage” is applied to the aggregate amount of federal income tax liability that would have been paid if the Allocated NOLs were not available. Pursuant to the Closing Agreement between Ambac and the Internal Revenue Service ("IRS"), the IRS will receive 12.5% of Tier C and 17.5% of Tier D payments, if made.

~~NOL Usage Table~~

NOL Usage Tier Allocated NOLs
Applicable
Percentage
A The first $479 15%
B The next $1,057 after Tier A 40%
C The next $1,057 after Tier B 10%
D The next $1,057 after Tier C 15%

As of December 31, 2018, Ambac Assurance generated cumulative taxable income of $1,508, leaving $2,142 of the $3,650 Allocated NOLs subject to Tolling Payments. For the year ended December 31, 2019, and three months ended March 31, 2020, Ambac Assurance generated NOLs of approximately $143 and $172, respectively, which will need to be utilized before any new Tolling Payments will be generated.

If not utilized, the NOLs will begin expiring in 2029, and will fully expire in 2040, with the exception of the tax loss generated during the three months ended March 31, 2020 of approximately $168, which if Ambac remains in a loss position at year end 2020, will expire in 2041.

As a result of positive income at Ambac Assurance in 2017, Ambac accrued $28 of tax tolling payments. In May 2018, Ambac executed a waiver under the intercompany tax sharing agreement pursuant to which Ambac Assurance was relieved of the requirement to make the 2017 tax tolling payment by June 1, 2018. Ambac also agreed to continue to defer receipt of the 2017 tax tolling payment from

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AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

(Dollar Amounts in Millions, Except Share Amounts)

Ambac Assurance until such time as OCI consents to the payment. While OCI has not defined the conditions under which it will consent to the 2017 tax tolling payment, OCI has indicated that it will consider a number of factors, including asset quality and loss and reserve trends. We can provide no assurance as to whether, or when, OCI will consent to the 2017 tax tolling payment.

~~Ambac's tax positions are subject to review by the OCI, which may lead to the adoption of positions that reduce the amount of tolling payments otherwise available to Ambac.~~

As of March 31, 2020, the remaining balance of the $3,650 NOL allocated to Ambac Assurance, and new NOLs accrued during 2019 & 2020, totaled approximately $2,457. As of March 31, 2020 the consolidated group's NOL is approximately $3,703, of which Ambac's NOL was approximately$1,246.

~~11.~~12. COMMITMENTS AND CONTINGENCIES

The following commitments and contingencies provide an update of those discussed in Note 17: Commitments and Contingencies in the Notes to Consolidated Financial Statements included Part II, Item 8 in the Company’s Annual Report on Form 10-K for the year ended December 31, ~~2019,~~2020, and should be read in conjunction with the complete descriptions provided in the aforementioned Form 10-K.

Litigation Against Ambac

~~Financial Oversight and Management Board for Puerto Rico,~~Monterey Bay Military Housing, LLC, et al. v. ~~Autonomy Master Fund Limited,~~Ambac Assurance Corporation, et al. (United States District Court, Northern District of ~~Puerto Rico,~~California, San Jose Division, Case No. ~~19-ap-00291,~~17-cv-04992-BLF, filed ~~May 2, 2019)~~August 28, 2017). Plaintiffs, the corporate developers of various military housing projects, filed a second amended complaint on December 17, 2018, against AAC, a former employee of AAC, and certain unaffiliated persons and entities, asserting claims for (i) violation of 18 U.S.C §§ 1962(c) and 1962(d) (civil Racketeer Influenced and Corrupt Organizations Act (“RICO”) and conspiracy to commit civil RICO), (ii) breach of fiduciary duty, (iii) aiding and abetting breach of fiduciary duty, (iv) fraudulent misrepresentation, (v) fraudulent concealment and (vi) conspiracy to commit fraud. On September 26, 2019, the court issued a decision denying a motion to dismiss filed by defendants and sua sponte reconsidering its previous denial of defendants’ motion to transfer venue to the Southern District of New York (“SDNY”). On ~~May 2,~~October 10, 2019, the Financial Oversight and Management Board for Puerto Rico (the "Oversight Board"), together with the Official Committee of Unsecured Creditors for the Commonwealth (the "Committee") filed an adversary proceeding against certain parties that filed proofs of claim on account of general obligation bonds issued by the Commonwealth of Puerto Rico, including Ambac Assurance. The complaint seeks declarations that the general obligation bonds are unsecured obligations and, in the alternative, seeks to avoid any security interests that holders of such bonds may have. On June 12, 2019, a group of general obligation bondholders moved to dismiss the complaint. On June 13, 2019, at the request of the Plaintiffs, the District Court stayedafter the case ~~until September 1, 2019 as~~was transferred to ~~all defendants; on July 24, 2019,~~ the ~~District Court referred this matter to mediation and ordered it stayed during~~SDNY, the ~~pendency of such mediation. Ambac Assurance filed a statement of position and reservation of rights on February 5, 2020; certain other~~ defendants filed motions in the SDNY to ~~dismiss~~vacate or reconsider the decision by the Northern District of California on ~~this same date. On February 9, 2020,~~ the ~~Oversight Board announced that it intends~~defendants’ motion to ~~file, and to seek to confirm, an amended plan of adjustment (the “Amended POA”).~~dismiss. On March ~~10, 2020,~~31, 2021, the ~~District Court ordered that this case remain stayed while~~court granted defendants’ motions for reconsideration and, upon reconsideration, dismissed the ~~Oversight Board attempts~~claims against AAC and its former employee for breach of fiduciary duty and for aiding and abetting breach of AAC’s or its former employee’s fiduciary duty; dismissed two plaintiffs’ RICO claims against AAC and its former employee; and in all other respects denied defendants’ motions. Defendants served answers to ~~confirm~~ the ~~Amended POA.~~second amended complaint on April 21, 2021.

Financial Oversight and Management Board for Puerto Rico v. Ambac Assurance Corp., et al. (United States District Court, District of Puerto Rico, No. 20-ap-00003, filed Jan. 16, 2020). Pursuant to an order of the District Court setting out an agreed schedule for litigation submitted by the team of mediators designated in the Commonwealth’s restructuring cases (the “Mediation Team“), on January 16, 2020, the Oversight Board filed an adversary proceeding

against monoline insurers insuring bonds issued by the Puerto Rico Infrastructure Financing Authority (“PRIFA”) and the PRIFA bond trustee, all of which ~~Defendants~~defendants filed proofs of claim against the Commonwealth relating to PRIFA bonds. The complaint seeks to disallow ~~Defendants’~~defendants’ proofs of claim against the Commonwealth in their entirety, including for lack of secured status. ~~Briefing~~Oral argument on ~~motions~~the Oversight Board’s motion for summary judgment ~~is expected to conclude~~was held on ~~June 16, 2020, and a hearing is scheduled for June~~September 23, 2020. On January 20, 2021, the District Court granted defendants’ request for deferral of the adjudication of the summary judgment motion until defendants have the opportunity to conduct certain discovery. Discovery is ongoing. On May 5, 2021, monoline defendants Assured Guaranty Corporation, Assured Guaranty Municipal Corporation, and National Public

Finance Guarantee Corporation (“Assured and National”) announced an agreement with the Oversight Board with respect to the treatment of bonds issued by the Puerto Rico Highways and Transportation Authority ("PRHTA") and the Puerto Rico Convention Center District Authority (“PRCCDA”) (the “PRHTA/PRCCDA Settlement”). Per the terms of the agreement, AAC anticipates the Oversight Board, Assured, and National will seek to stay this case with respect to Assured and National as a result of the PRHTA/PRCCDA Settlement.

Financial Oversight and Management Board for Puerto Rico v. Ambac Assurance Corp., et al. (United States District Court, District of Puerto Rico, No. 20-ap-00004, filed Jan. 16, 2020). Pursuant to an order of the District Court setting out an agreed schedule for litigation submitted by the Mediation Team, on January 16, 2020, the Oversight Board filed an adversary proceeding against monoline insurers insuring bonds issued by ~~the Puerto Rico Convention Center District Authority (“PRCCDA”)~~PRCCDA and the PRCCDA bond trustee, all of which ~~Defendants~~defendants filed proofs of claim against the Commonwealth relating to PRCCDA bonds. The complaint seeks to disallow ~~Defendants’~~defendants’ proofs of claim against the Commonwealth in their entirety, including for lack of secured status. ~~Briefing~~Oral argument on ~~motions~~the Oversight Board’s motion for summary judgment ~~is expected to conclude~~was held on ~~June 16, 2020, and a hearing is scheduled for June~~September 23, 2020. On January 20, 2021, the District Court granted defendants’ request for deferral of the adjudication of the summary judgment motion until defendants have the opportunity to conduct certain discovery. Discovery is ongoing. On May 5, 2021, Assured and National announced an agreement with the Oversight Board with respect to the PRHTA/PRCCDA Settlement. Per the terms of the agreement, AAC anticipates the Oversight Board, Assured, and National will seek to stay this case with respect to Assured and National as a result of the PRHTA/PRCCDA Settlement.

Financial Oversight and Management Board for Puerto Rico v. Ambac Assurance Corp., et al. (United States District Court, District of Puerto Rico, No. 20-ap-00005, filed Jan. 16, 2020). Pursuant to an order of the District Court setting out an agreed schedule for litigation submitted by the Mediation Team, on January 16, 2020, the Oversight Board filed an adversary proceeding against monoline insurers insuring bonds issued by ~~the Puerto Rico Highways and Transportation Authority ("PRHTA“),~~PRHTA, certain PRHTA bondholders, and the PRHTA fiscal agent for bondholders, all of which ~~Defendants~~defendants filed proofs of claim against the Commonwealth relating to PRHTA bonds. The complaint seeks to disallow ~~Defendants’~~defendants’ proofs of claim against the Commonwealth in their entirety, including for lack of secured status. ~~Briefing~~Oral argument on ~~motions~~the Oversight Board’s motion for summary judgment ~~is expected to conclude~~was held on ~~June 16, 2020, and a hearing is scheduled for June~~September 23, 2020. On January 20, 2021, the District Court granted defendants’ request for deferral of the adjudication of the summary judgment motion until defendants have the opportunity to conduct certain discovery. Discovery is ongoing. On May 5, 2021, Assured and National announced an agreement with the Oversight Board with respect to the PRHTA/PRCCDA Settlement. Per the terms of the agreement, AAC anticipates the Oversight Board, Assured, and National will seek to stay this case with respect to Assured and National as a result of the PRHTA/PRCCDA Settlement.

Financial Oversight and Management Board for Puerto Rico v. Ambac Assurance Corp., et al. (United States District Court, District of Puerto Rico, No. 20-ap-00007, filed Jan. 16, 2020).

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AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

(Dollar Amounts in Millions, Except Share Amounts)

Pursuant to an order of the District Court setting out an agreed schedule for litigation submitted by the Mediation Team, on January 16, 2020, the Oversight Board and the Committee filed an adversary proceeding against monoline insurers insuring bonds issued by PRHTA, certain PRHTA bondholders, and the PRHTA fiscal agent for bondholders, all of which ~~Defendants~~defendants filed proofs of claim against PRHTA relating to PRHTA bonds. The complaint seeks to disallow portions of ~~Defendants’~~defendants’ proofs of claim against the PRHTA, including for lack of secured status. On March 10, 2020, the District Court stayed this case.

~~NC Residuals Owners Trust, et al. v. Wilmington Trust Co., et al.~~ ~~(Delaware Court of Chancery, C.A. No. 2019-0880, filed Nov. 1, 2019).~~ On ~~November 1, 2019, Ambac Assurance became aware of a new declaratory judgment action filed by certain residual equity interest holders (“NC Owners” or “Plaintiffs”) in fourteen~~May 5, 2021, Assured and National ~~Collegiate Student Loan Trusts (the “Trusts”) against Wilmington Trust Company,~~announced an agreement with the ~~Owner Trustee for the Trusts; U.S. Bank~~

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~~AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES~~

~~Notes to Unaudited Consolidated Financial Statements~~

~~(Dollar Amounts in Millions, Except Share Amounts)~~

National Association, the Indenture Trustee; GSS Data Services, Inc., the Administrator; and Ambac Assurance. Through this action, Plaintiffs seek a number of judicial determinations. On January 21, 2020, the presiding Vice Chancellor entered an order consolidating the actionOversight Board with ~~previously filed litigation relating~~respect to the ~~Trusts. On February 13, 2020, Ambac Assurance,~~PRHTA/PRCCDA Settlement. Per the ~~Owner Trustee,~~terms of the ~~Indenture Trustee,~~agreement, AAC anticipates the Oversight Board, Assured, and ~~other parties filed declaratory judgment counterclaims. Several parties, including Plaintiffs~~National will seek to stay this case with respect to Assured and ~~Ambac Assurance, have filed motions for judgment on~~National as a result of the ~~pleadings in support of their requested judicial determinations, and briefing on those motions is complete.~~PRHTA/PRCCDA Settlement.

~~Ambac Assurance’s~~AAC’s estimates of projected losses for RMBS transactions consider, among other things, the RMBS transactions’ payment waterfall structure, including the application of interest and principal payments and recoveries, and depend in part on our interpretations of contracts and other bases of our legal rights. From time to time, bond trustees and other transaction participants have employed different contractual interpretations and have commenced, or threatened to commence, litigation to resolve these differences. It is not possible to predict whether additional disputes will arise, nor the outcomes of any potential litigation. It is possible that there could be unfavorable outcomes in this or other disputes or proceedings and that our interpretations may prove to be incorrect, which could lead to changes to our estimate of loss reserves.

~~Ambac Assurance~~AAC has periodically received various regulatory inquiries and requests for information with respect to investigations and inquiries that such regulators are conducting. ~~Ambac Assurance~~AAC has complied with all such inquiries and requests for information.

The Company is involved from time to time in various routine legal proceedings, including proceedings related to litigation with present or former employees. Although the Company’s litigation with present or former employees is routine and incidental to the conduct of its business, such litigation can result in large monetary awards when a civil jury is allowed to determine compensatory and/or punitive damages for, among other things, termination of employment that is wrongful or in violation of implied contracts.

From time to time, Ambac is subject to allegations concerning its corporate governance that may lead to litigation, including derivative litigation, and while the monetary impacts may not be material, the matters may distract management and the Board of Directors from their principal focus on Ambac's business, strategy and objectives.

It is not reasonably possible to predict whether additional suits will be filed or whether additional inquiries or requests for information will be made, and it is also not possible to predict the outcome of litigation, inquiries or requests for information. It is possible that there could be unfavorable outcomes in these or other proceedings. Legal accruals for litigation against the Company which are probable and reasonably estimable, and management's estimated range of loss for such matters, are either

not applicable or are not material to the operating results or financial position of the Company. For the litigation matters the Company is defending that do not meet the “probable and reasonably estimable” accrual threshold and where no loss estimates have been provided above, management is unable to make a meaningful estimate of the amount or range of loss that could result from unfavorable outcomes. Under

some circumstances, adverse results in any such proceedings could be material to our business, operations, financial position, profitability or cash flows. The Company believes that it has substantial defenses to the claims above and, to the extent that these actions proceed, the Company intends to defend itself vigorously; however, the Company is not able to predict the outcomes of these actions.

Litigation Filed or Joined by Ambac

In the ordinary course of their businesses, certain of Ambac’s subsidiaries assert claims in legal proceedings against third parties to recover losses already paid and/or mitigate future losses. The amounts recovered and/or losses avoided which may result from these proceedings is uncertain, although recoveries and/or losses avoided in any one or more of these proceedings during any quarter or fiscal year could be material to Ambac’s results of operations in that quarter or fiscal year.

Puerto Rico

~~Financial Oversight and Management Board for Puerto Rico v. Public Buildings Authority~~ (United States District Court, District of Puerto Rico, No. 1:18-ap-00149, filed December 21, 2018). On December 21, 2018, the Oversight Board, together with the Committee, as Plaintiffs, filed a complaint against the Puerto Rico Public Buildings Authority (“PBA”) seeking declaratory judgment that the leases between PBA and its lessees-many of whom are agencies and instrumentalities of the Commonwealth-are “disguised financings,” not true leases, and therefore should not be afforded administrative expense priority under the Bankruptcy Code. On March 12, 2019, Ambac Assurance and other interested parties were permitted to intervene in order to argue that the PBA leases are valid leases, and are entitled to administrative expense treatment under the Bankruptcy Code. On June 16, 2019, the Oversight Board announced that it had entered into a plan support agreement ("PSA") with certain general obligation and PBA bondholders that includes a proposed resolution of claim objections to and issues surrounding both general obligation and PBA bonds, including a proposed settlement of this adversary proceeding. On July 24, 2019, the District Court referred this matter to mediation and ordered it stayed during the pendency of such mediation. On September 27, 2019, the Oversight Board filed a joint plan of adjustment and disclosure statement for the Commonwealth, PBA, and the Employees’ Retirement System for Puerto Rico. On February 9, 2020, the Oversight Board executed a new plan support agreement with additional creditors (the “New PSA”) and announced that it intends to file, and seek to confirm, the Amended POA. On March 10, 2020, the District Court ordered that this case remain stayed while the Oversight Board attempts to confirm the Amended POA.

In re Financial Oversight and Management Board for Puerto Rico (United States District Court, District of Puerto Rico, No. 1:17-bk-03283), Omnibus Objection of (I) Financial Oversight and Management Board, Acting Through its Special Claims Committee, and (II) Official Committee of Unsecured Creditors, Pursuant to Bankruptcy Code Section 502 and Bankruptcy Rule 3007, to Claims Filed or Asserted by Holders of Certain Commonwealth General Obligation Bonds ~~(Dkt. No. 4784, filed January 14, 2019) (“GO Bond Claim Objection Procedures”). On January 14, 2019, the Oversight Board and the Committee filed an omnibus claim~~

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~~AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES~~

~~Notes to Unaudited Consolidated Financial Statements~~

~~(Dollar Amounts in Millions, Except Share Amounts)~~

objection in the Commonwealth’s Title III case challenging claims arising from certain general obligation bonds issued by the Commonwealth in 2012 and 2014 totaling approximately $6 billion, none of which are held or insured by Ambac Assurance. The court subsequently ordered certain consolidated procedures permitting parties in interest an opportunity to participate in litigation of the objection. On April 11, 2019, Ambac Assurance filed a notice of participation in support of the objection, advancing the argument, among other things, that the PBA leases are true leases, but the associated debt nonetheless should be included in the Commonwealth’s debt ceiling calculation such that the 2012 and 2014 general obligation bond issuances are null and void and claims arising therefrom should be disallowed. On June 16, 2019, the Oversight Board announced that it had entered into a PSA with certain general obligation and PBA bondholders that includes a proposed resolution of claim objections to and issues surrounding both general obligation and PBA bonds, including a proposed settlement of this omnibus claim objection. On June 25, 2019, the Oversight Board moved to stay proceedings related to this omnibus claim objection while it pursues confirmation of the plan contemplated in the PSA. On July 24, 2019, the District Court referred this matter to mediation and ordered it stayed during the pendency of such mediation. On February 5, 2020, certain parties filed motions to dismiss the claim objection. On February 9, 2020, the Oversight Board executed the New PSA and announced that it intends to file, and seek to confirm, the Amended POA. Additional motions to dismiss were filed on February 19, 2020. On March 10, 2020, the District Court ordered that this matter remain stayed while the Oversight Board attempts to confirm the Amended POA.

~~In re Financial Oversight and Management Board for Puerto Rico~~ ~~(United States District Court, District of Puerto Rico, No. 1:17-bk-03283),~~ Ambac Assurance Corporation’s Motion to Strike Certain Provisions of the Plan Support Agreement By and Among the Financial Oversight and Management Board for Puerto Rico, Certain GO Holders, and Certain PBA Holders ~~(Dkt.~~(Dkt. No. ~~8020,~~13573, filed July ~~16, 2019)~~7, 2020) (“~~Ambac Assurance~~Amended Motion to Strike PSA”). On June 16, 2019, the Oversight Board announced that it had entered into a PSA with certain general obligation and PBA bondholders that includes a proposed resolution of claim objections to and issues surrounding both general obligation and PBA bonds. On July 16, 2019, ~~Ambac Assurance~~AAC filed a motion to strike certain provisions of the PSA that it believes violate PROMESA, including the potential payment of a breakup fee to creditors who have supported the ~~PSA. On July 24, 2019, the District Court referred this matter~~PSA (Dkt. No. 8020) (Original Motion to ~~mediation and ordered it stayed during the pendency of such mediation.~~Strike PSA). On February 9, 2020, the Oversight Board executed the ~~New PSA. On~~Amended PSA and on March 10, 2020, the District Court denied ~~Ambac Assurance’s motion~~the Original Motion to Strike PSA without prejudice given the execution of the ~~New~~Amended PSA. On July 7, 2020, AAC filed the Amended Motion to Strike PSA seeking similar relief with respect to the Amended PSA. On February 23, 2021, the Oversight Board announced that it entered into a further revised PSA (the “Second Amended PSA”), and that all parties to the Amended PSA had jointly terminated the Amended PSA, and on March 31, 2021, the District Court denied the Amended Motion to Strike PSA without prejudice given the execution of the Second Amended PSA.

In re Financial Oversight and Management Board for Puerto Rico (United States District Court, District of Puerto Rico, No. 1:17-bk-03283), Ambac Assurance Corporation's Motion and Memorandum of Law in Support of Its Motion Concerning Application of the Automatic Stay to the Revenues Securing PRIFA Rum Tax Bonds (Dkt. No. 7176, filed May 30, 2019) (“PRIFA Stay Motion”). On May 30, 2019, ~~Ambac Assurance~~AAC filed a motion

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Notes to Unaudited Consolidated Financial Statements

(Dollar Amounts in Millions, Except Share Amounts)

seeking an order that the automatic stay does not apply to certain lawsuits ~~Ambac Assurance~~AAC seeks to bring or to continue relating to bonds issued by PRIFA, or, in the alternative, for relief from the

automatic stay to pursue such lawsuits or for adequate protection of ~~Ambac Assurance's~~AAC's collateral. On July ~~24, 2019, the District Court referred this matter to mediation and ordered it stayed during the pendency of such mediation. On January 31,~~2, 2020, the District Court ~~granted a~~denied the motion ~~filed by Ambac Assurance, together with Assured Guaranty Corporation, Assured Guaranty Municipal Corporation,~~to lift the stay on certain grounds. Briefing regarding additional grounds on which AAC and ~~Financial Guaranty Insurance Company~~other movants seek stay relief concluded on August 5, 2020; on September 9, 2020, the District Court denied the motion to ~~amend~~lift the ~~PRIFA Stay Motion in order~~stay on the additional grounds. On September 23, 2020, AAC and the other movants appealed this decision to ~~allow~~ the ~~PRIFA bond trustee to join the amended motion and to allow movants to address recent, controlling precedent from~~First Circuit. On March 3, 2021, the First Circuit affirmed the District Court’s opinions denying the motion to lift the stay. On May 5, 2021, Assured and ~~Ambac Assurance filed~~National announced an agreement with the ~~amended motion~~Oversight Board with respect to the ~~same day. A preliminary hearing on~~PRHTA/PRCCDA Settlement. Per the ~~amended motion is scheduled for June 4, 2020.~~terms of the agreement, AAC anticipates the Oversight Board, Assured, and National will seek to stay this case with respect to Assured and National as a result of the PRHTA/PRCCDA Settlement.

In re Financial Oversight and Management Board for Puerto Rico (United States District Court, District of Puerto Rico, No. 1:17-bk-03283), Motion of Assured Guaranty Corp., Assured Municipal Corp., Ambac Assurance Corporation, National Public Finance Guarantee Corporation, and Financial Guaranty Insurance Company for Relief from the Automatic Stay, or, in the Alternative, Adequate Protection ~~(Dkt.~~(Dkt. No. 10102, filed January 16, 2020) (“PRHTA Stay Motion”). Pursuant to an order of the District Court setting out an agreed schedule for litigation submitted by the Mediation Team, on January 16, 2020, ~~Ambac Assurance,~~AAC, together with Assured Guaranty Corp., Assured Municipal Corp., National Public Finance Guarantee Corporation, and Financial Guaranty Insurance Company filed a motion seeking an order that the automatic stay does not apply to movants’ enforcement of the application of pledged revenues to the PRHTA bonds or the enforcement of movants’ liens on revenues pledged to such bonds, or, in the alternative, for adequate protection of movants’ interests in the revenues pledged to PRHTA bonds. ~~A preliminary hearing~~On July 2, 2020, the District Court denied the motion to lift the stay on certain grounds. Briefing regarding additional grounds on which AAC and other movants seek stay relief concluded on August 5, 2020; on September 9, 2020, the District Court denied the motion to lift the stay on the additional grounds. On September 23, 2020, AAC and the other movants appealed this decision to the First Circuit. On March 3, 2021, the First Circuit affirmed the District Court’s opinions denying the motion ~~is scheduled for June 4, 2020.~~to lift the stay. On May 5, 2021, Assured and National announced an agreement with the Oversight Board with respect to the PRHTA/PRCCDA Settlement. Per the terms of the agreement, AAC anticipates the Oversight Board, Assured, and National will seek to stay this case with respect to Assured and National as a result of the PRHTA/PRCCDA Settlement.

In re Financial Oversight and Management Board for Puerto Rico (United States District Court, District of Puerto Rico, No. 1:17-bk-03283), Ambac Assurance Corporation, Financial Guaranty Insurance Company, Assured Guaranty Corp., Assured Municipal Corp., and the Bank of New York Mellon’s Motion Concerning Application of the Automatic Stay to the Revenues Securing the CCDA Bonds ~~(Dkt.~~(Dkt. No. 10104, filed January 16, 2020) (“PRCCDA Stay Motion”). Pursuant to an order of the District Court setting out an agreed schedule for litigation submitted by

the Mediation Team, on January 16, 2020, ~~Ambac Assurance,~~AAC, together with Financial Guaranty Insurance Company, Assured Guaranty Corp., Assured Municipal Corp., and the PRCCDA bond trustee, filed a motion seeking an order either (i) that the automatic stay does not apply to movants’ enforcement of their rights to revenues pledged to PRCCDA bonds by bringing an enforcement action against PRCCDA; or, in the alternative, (ii) lifting the automatic stay to enable movants to pursue an enforcement action against PRCCDA; or, in the further alternative, (iii) ordering adequate protection of movants’ interests in the PRCCDA pledged to PRCCDA bonds. ~~A preliminary hearing~~On July 2, 2020, the District Court denied the motion to lift the stay on certain grounds, but found that the movants had stated a colorable claim that a certain account was the “Transfer Account” on which movants hold a lien. Briefing regarding additional grounds on which AAC and other movants seek stay relief concluded on August 5, 2020; on September 9, 2020, the District Court denied the motion to lift the stay on the ~~motion is scheduled~~additional grounds, and found that a final determination on issues related to the identity of the Transfer Account would be made in the decision on the motions for ~~June 4, 2020.~~summary judgment issued in the CCDA-related adversary proceeding, No. 20-ap-00004. On May 5, 2021, Assured and National announced an agreement with the Oversight Board with respect to the PRHTA/PRCCDA Settlement. Per the terms of the agreement, AAC anticipates the Oversight Board, Assured, and National will seek to stay this case with respect to Assured and National as a result of the PRHTA/PRCCDA Settlement.

Ambac Assurance Corporation v. Merrill Lynch, Pierce, Fenner & Smith Incorporated, Citigroup Global Markets Inc., Goldman Sachs & Co. LLC, ~~Citigroup Global Markets Inc.,~~ J.P. Morgan Securities LLC, Morgan Stanley & Co. LLC, Oriental Financial Services LLC; Popular Securities LLC; Raymond James & Associates, Inc., RBC Capital Markets LLC; Samuel A. Ramirez & Co. Inc., ~~Raymond James & Associates, Inc., and~~Santander Securities LLC; UBS Financial Services Inc.; and UBS Securities LLC (Commonwealth of Puerto Rico, Court of First Instance, San Juan Superior Court, Case No. ~~CV-000248923,~~SJ-2020-CV-01505, filed February 19, 2020). On February 19, 2020,

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~~AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES~~

~~Notes to Unaudited Consolidated Financial Statements~~

~~(Dollar Amounts in Millions, Except Share Amounts)~~

~~Ambac Assurance~~ AAC filed a complaint in the Commonwealth of Puerto Rico, Court of First Instance, San Juan Superior Court, against certain underwriters of Ambac-insured bonds issued by PRIFA and PRCCDA, with causes of action under the Puerto Rico civil law doctrines of actos proprios and Unilateral Declaration of Will. ~~Ambac Assurance~~AAC alleges defendants engaged in inequitable conduct in underwriting Ambac-insured bonds issued by PRIFA and PRCCDA, including failing to investigate and adequately disclose material information in the official statements for the bonds that defendants provided to ~~Ambac Assurance~~AAC regarding systemic deficiencies in the Commonwealth’s financial reporting. ~~Ambac Assurance~~AAC seeks damages in compensation for claims paid by ~~Ambac Assurance~~AAC on its financial guaranty insurance policies insuring such bonds, pre-judgment and post-judgment interest, and attorneys’ fees. On March 20, 2020, ~~Defendants~~defendants removed this case to the Title III Court. On April 20, 2020, ~~Ambac~~AAC moved to remand the case back to the Court of First Instance. ~~Briefing on~~On July 29, 2020, the District Court granted AAC’s motion to remand ~~is scheduled~~the case to ~~conclude~~the Commonwealth court. AAC filed an amended complaint in the Commonwealth court on ~~June 10,~~October 28, 2020. In the Amended Complaint, AAC added claims on bonds issued by the Commonwealth, PBA and PRHTA and added defendants that had underwritten these bonds. Defendants filed motions to dismiss on

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AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

(Dollar Amounts in Millions, Except Share Amounts)

December 8 and 14, 2020; briefing on the motions to dismiss was completed on March 5, 2021.

Ambac Assurance Corporation v. Autopistas Metropolitanas de Puerto Rico, LLC (United States District Court, ~~for the~~ District of Puerto ~~Rico) Case~~Rico, No. 3:20-cv-01094, filed February 19, 2020). On February 19, 2020, ~~Ambac Assurance~~AAC filed a complaint in the U.S. District Court for the District of Puerto Rico, against Autopistas Metropolitanas de Puerto Rico, LLC (“Metropistas”), which holds a concession from PRHTA for two Puerto Rico highways, PR-5 and PR-22, in connection with a 10-year extension of the concession that was entered into in April 2016. The complaint includes claims for fraudulent conveyance and unjust enrichment, alleging that the consideration paid by Metropistas for the extension was less than reasonably equivalent value and most of the benefit of such payment was received by the Commonwealth instead of PRHTA. ~~Ambac Assurance~~AAC also seeks a declaratory judgment that it has a valid and continuing lien on certain toll revenues that are being collected by Metropistas. On ~~March 31,~~June 16, 2020, ~~the Oversight Board filed a motion before~~ the Title III Court ~~seeking an order directing Ambac~~ordered AAC to withdraw its complaint. AAC withdrew its complaint on June 23, 2020, and noticed an appeal from the Title III Court’s order to withdraw on June 30, 2020. AAC’s opening appeal brief was filed before the First Circuit on October 19, 2020; briefing was completed on February 12, 2021 and oral argument was held on March 8, 2021.

In re Financial Oversight and Management Board for Puerto Rico (United States District Court, District of Puerto Rico, No. 1:17-bk-03283), Urgent Motion for Bridge Order, and Motion for Appointment as Trustees Under 11 U.S.C. § 926, of Ambac Assurance Corporation, Assured Guaranty Corp., Assured Guaranty Municipal Corp., Financial Guaranty Insurance Company, and National Public Finance Guarantee Corporation (Dkt. No. 13708, filed July 17, 2020) (“PRHTA Trustee Motion”). On ~~April 20,~~July 17, 2020, AAC, together with Assured Guaranty Corporation, Assured Guaranty Municipal Corporation, and Financial Guaranty Insurance Company, filed a motion seeking appointment as trustees under Section 926 of the Bankruptcy Code to pursue certain avoidance actions on behalf of PRHTA against the Commonwealth of Puerto Rico. The PRHTA Trustee Motion attached a proposed complaint detailing the avoidance claims that movants would pursue. On August 11, 2020, the District Court ~~ordered~~denied the PRHTA Trustee Motion; on August 24, 2020, movants noticed an appeal of the denial of the PRHTA Trustee Motion to the First Circuit. Movants’ opening brief before the First Circuit was filed on February 17, 2021; briefing is expected to conclude on May 24, 2021. On May 5, 2021, Assured and National announced an agreement with the Oversight Board with respect to the PRHTA/PRCCDA Settlement. Per the terms of the agreement, AAC anticipates the Oversight Board, Assured, and National will seek to stay this case ~~stayed pending briefing before~~with respect to Assured and National as a result of the ~~Title III Court on the Oversight Board’s motion to withdraw. A hearing before the Title III Court on the motion to withdraw is scheduled for June 3, 2020.~~PRHTA/PRCCDA Settlement.

Student Loans Exposure

CFPB v. Nat’l Collegiate Master Student Loan Trust (United States District Court, District of Delaware, Case No. 1:17-cv-01323, filed September 18, 2017). ~~The~~On March 19, 2020, intervenor Transworld Systems Inc. filed a motion to dismiss this action by the Consumer Financial Protection Bureau (“CFPB”) ~~filed a complaint~~ against fifteen National Collegiate Student Loan Trusts, regarding

alleged improprieties and deficiencies in servicing ~~practices. Simultaneous with the filing~~practices for lack of ~~its complaint, CFPB also filed a motion for entry of a proposed consent judgment that would grant monetary damages~~subject matter jurisdiction. On July 10, 2020, AAC and ~~injunctive relief against the Trusts. Ambac Assurance guaranteed certain securities issued by three of the Trusts and indirectly insures six~~several other Trusts. On September 20, 2017, Ambac Assurance filed a motion to intervene in the action, which motion was granted on October 19, 2018. On November 29, 2018, the court set a bifurcated discovery and briefing schedule. Discovery and briefing is now complete as to certain threshold issues. Additionally, on March 19, 2020, Intervenor Transworld Systems Inc.intervenors filed a motion to dismiss the action for lack of subject matter jurisdiction and for failure to state a claim. Additionally, on July 2, 2020, the CFPB submitted an application for entry of default against the Trusts. On March 26, 2021, the court granted intervenors’ motion to dismiss for failure to state a claim and denied the motion to dismiss for lack of subject matter jurisdiction. The court also denied as moot the CFPB’s application for entry of default against the Trusts. The CFPB filed an amended complaint on April 30, 2021.

RMBS Litigation

In connection with ~~Ambac Assurance’s~~AAC’s efforts to seek redress for breaches of representations and warranties and fraud related to the information provided by both the underwriters and the sponsors of various transactions and for failure to comply with the obligation by the sponsors to repurchase ineligible loans, ~~Ambac Assurance~~AAC has filed various lawsuits:

•

Ambac Assurance Corporation and The Segregated Account of Ambac Assurance Corporation v. Countrywide Securities Corp., Countrywide Financial Corp. (a.k.a. Bank of America Home Loans) and Bank of America Corp. ~~(Supreme Court of the State of New York, County of New York, Case No. 651612/2010, filed on September 28, 2010).~~ Ambac Assurance’s Second Amended Complaint, filed on May 28, 2013, asserted claims against Countrywide and Bank of America (as successor to Countrywide’s liabilities) for, among other things, breach of contract and fraudulent inducement. In August and October 2018, Defendants filed various pre-trial motions. On December 30, 2018, the court denied all of these pre-trial motions in their entirety and Defendants appealed. On September 17, 2019, the First Department affirmed in part and reversed in part the trial court’s rulings. On October 17, 2019, Countrywide filed a motion for leave to appeal certain issues to the New York Court of Appeals and for reargument or leave to appeal certain other issues. On January 16, 2020, the First Department recalled and vacated its September 17, 2019 decision and order and substituted a new decision and order. On the same date, the First Department denied Countrywide’s motion seeking leave to appeal, without prejudice to seeking such leave from the reissued decision and order. On January 30, 2020, Countrywide filed a new motion for leave to appeal the First Department’s denial of its motions, which Ambac Assurance opposed. On January 14, 2020, the trial court granted Ambac Assurance’s motion to supplement and amend certain of its expert reports, and expert discovery is ongoing. Due to the impact of COVID-19 on the court system in New York State, which has caused the postponement of all in-person proceedings, the Court vacated the previously scheduled July 13, 2020 trial date. Given the difficulty or impossibility of predicting the scope, duration and magnitude of the effect of COVID-19 on the New York court system, and the possibility of other intervening causes of delay, we can provide no assurance as to when the trial will be rescheduled.

• Ambac Assurance Corporation and The Segregated Account of Ambac Assurance Corporation v. Countrywide Securities Corp., Countrywide Financial Corp. (a.k.a. Bank of America Home Loans) and Bank of America Corp. (Supreme Court of the State of New York, County of New York, Case No. 651612/2010, filed on September 28, 2010). Oral argument on AAC’s appeal of the court’s dismissal on December 4, 2020, of its fraud claim was held on April 20, 2021. We can provide no assurance as to the outcome of the appeal. Investors should not assume that AAC's fraud claim will be reinstated.

• Ambac Assurance Corporation v. U.S. Bank National Association (United States District Court, Southern District of New York, Docket No. 18-cv-5182 (LGS), filed June 8, 2018 (the “SDNY Action”)); In the matter of HarborView Mortgage Loan Trust 2005-10 (Minnesota state court, Docket No. 27-TR-CV-17-32 (the “Minnesota Action”)). On March 9, 2021, AAC filed its opening brief for its appeal of the granting by the court in the SDNY Action of U.S. Bank’s motion for summary judgment with respect to AAC’s repayment right in the trust waterfall.

• In re application of Deutsche Bank National Trust Company as Trustee of the Harborview Mortgage Loan Trust Mortgage Loan Pass-Through Certificates, Series 2006-9 (Supreme Court of the State of New York, County of New York, No. 654208/2018), filed August 23, 2018 (the “Trust Instruction Proceeding”). This action relates to Deutsche Bank National Trust Company’s (“DBNT”) proposed settlement of claims related to the Harborview Mortgage Loan Trust Series 2006-9 (“Harborview 2006-9”). On August 23, 2018, DBNT filed a Petition commencing the Trust Instruction Proceeding, seeking judicial instruction pursuant to CPLR Article 77, inter alia, to accept the proposed settlement with respect of claims relating to Harborview 2006-9. On November 2, 2018, AAC and other interested persons filed notices of intention to appear and answers to DBNT’s petition. AAC sought a period of discovery before resolution on the merits. Discovery is now complete. Under the operative case schedule, merits briefing was completed on January 12, 2021. On April 21, 2021, AAC and another interested party sought leave to file a joint surreply

•

~~Ambac Assurance Corporation v. U.S. Bank National Association~~ ~~(United States District Court, Southern District of New York, Docket No. 18-cv-5182 (LGS), filed June 8, 2018 (the “SDNY Action”));~~ ~~In the matter of HarborView Mortgage Loan Trust 2005-10~~ (Minnesota state court, Docket No. 27-TR-CV-17-32 (the “Minnesota Action”)). These two actions relate to U.S. Bank National Association’s (“U.S. Bank”) acceptance of a proposed settlement in a separate litigation that U.S. Bank is prosecuting, as trustee, related to the Harborview Mortgage Loan Trust, Series 2005-10 (“Harborview 2005-10”), a residential mortgage-backed securitization for which Ambac Assurance issued an insurance policy. On March 6, 2017, U.S. Bank filed a petition commencing the Minnesota Action, a trust instruction proceeding in Minnesota state court concerning the proposed settlement, and on June 12, 2017, U.S. Bank filed an amended petition. Ambac Assurance filed a

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AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES

Notes to Unaudited Consolidated Financial Statements

(Dollar Amounts in Millions, Except Share Amounts)

~~motion~~in further opposition to dismiss the Minnesota Action, which was denied on November 13, 2017, and the denial was affirmed on appeal. On September 6, 2018, U.S. Bank filed its Second Amended Petition, and Ambac Assurance and certain other certificateholders objected to, or otherwise responded to, theDBNT’s petition. ~~Discovery in the Minnesota Action is ongoing, and the~~The court has ~~set June 20, 2020 as the date for the start~~not yet scheduled a hearing or oral argument.

Item 2. Management’s Discussion and Analysis of ~~the trial. On June 8, 2018, Ambac Assurance filed the SDNY Action asserting claims arising out~~Financial Condition and Results of U.S. Bank’s acceptance of the proposed settlement and treatment of trust recoveries. Ambac Assurance asserted claims for declaratory judgment, breach of contract, and breach of fiduciary duty. On July 16, 2019, the court dismissed Ambac Assurance's breach-of-contract and breach-of-fiduciary-duty claims based on U.S. Bank's acceptance of the settlement; and dismissed Ambac Assurance's declaratory judgment claims regarding the occurrence of an Event of Default and U.S. Bank's future distribution of trust recoveries through the waterfall. The court denied the motion to dismiss Ambac Assurance's breach-of-contract claims based on U.S. Bank's past distribution of trust recoveries through the waterfall. On January 17, 2020, U.S. Bank moved for summary judgment regarding the remaining claim relating to distributions. On February 7, 2020, AmbacOperations

~~Assurance cross-moved for summary judgment. These summary judgment motions are fully briefed.~~

•

~~In re application of Deutsche Bank National Trust Company as Trustee of the Harborview Mortgage Loan Trust Mortgage Loan Pass-Through Certificates, Series 2006-9~~ (Supreme Court of the State of New York, County of New York, No. 654208/2018), filed August 23, 2018 (the “Trust Instruction Proceeding”). This action relates to Deutsche Bank National Trust Company’s (“DBNT”) proposed settlement of claims related to the Harborview Mortgage Loan Trust Series 2006-9 (“Harborview 2006-09”). On August 23, 2018, DBNT filed a Petition commencing the Trust Instruction Proceeding, seeking judicial instruction pursuant to CPLR Article 77, ~~inter alia~~, to accept the proposed settlement with respect of claims relating to Harborview 2006-9. On November 2, 2018, Ambac Assurance and other interested persons filed notices of intention to appear and answers to DBNT’s petition. Ambac Assurance sought a period of discovery before resolution on the merits. Under the current case schedule discovery is to be completed by May 20, 2020 and merits briefing by July 10, 2020. Ambac Assurance expects this schedule to be modified.


~~Item 2.~~	~~Management’s Discussion and Analysis of Financial Condition and Results of Operations~~

Following this summary is a discussion addressing the consolidated results of operations and financial condition of Ambac Financial Group, Inc. (“AFG”) for the periods indicated. References to “Ambac,” the “Company,” “we,” “our,” and “us” are to AFG and its subsidiaries, as the context requires. This discussion should be read in conjunction with Ambac’s Annual Report on Form 10-K for the year ended December 31, ~~2019,~~2020, the Cautionary Statement Pursuant To The Private Securities Litigation Reform Act Of 1995 below and Risk Factors set forth in Part II, Item 1A of this Form ~~10-Q.~~10-Q and in Ambac’s Annual Report on Form 10-K for the year ended December 31, 2020.

This Management’s Discussion and Analysis of Financial Condition and Results of Operations (“MD&A”) contains certain financial measures, in particular the presentation of Adjusted Earnings and Adjusted Book Value, which are not presented in accordance with U.S. generally accepted accounting principles (“GAAP”). We are presenting these non-GAAP financial measures because they provide greater transparency and enhanced visibility into the underlying drivers of our business. We do not intend for these non-GAAP financial measures to be a substitute for any GAAP financial ~~measures~~measure and they may differ from similar reporting provided by other companies. Readers of this Form 10-Q should use these non-GAAP financial measures only in conjunction with the comparable GAAP financial measures. Adjusted Earnings and Adjusted Book Value are non-GAAP financial measures that adjust for the impact of certain non-recurring or non-economic GAAP accounting requirements and include the addition of certain items that the Company has or expects to realize in the future, but that are not reported under GAAP. We provide reconciliations to the most directly comparable GAAP measures; Adjusted Earnings to Net income attributable to

common stockholders and Adjusted Book Value to Total Ambac Financial Group, Inc. stockholders’ equity.

CAUTIONARY STATEMENT PURSUANT TO THE PRIVATE SECURITIES LITIGATION REFORM ACT OF 1995

Management has included in Parts I and II of this Quarterly Report on Form 10-Q, including this MD&A, statements that may constitute “forward-looking statements” within the meaning of the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Words such as “estimate,” “project,” “plan,” “believe,” “anticipate,” “intend,” “planned,” “potential” and similar expressions, or future or conditional verbs such as “will,” “should,” “would,” “could,” and “may,” or the negative of those expressions or verbs, identify forward-looking statements. We caution readers that these statements are not guarantees of future performance. Forward-looking statements are not historical facts but instead represent only our beliefs regarding future events, which may by their nature be inherently uncertain and some of which may be outside our control. These statements may relate to plans and objectives with respect to the future, among other things which may change. We are alerting you to the possibility that our actual results may differ, possibly materially, from the

expected objectives or anticipated results that may be suggested, expressed or implied by these forward-looking statements. Important factors that could cause our results to differ, possibly materially, from those indicated in the forward-looking statements include, among others, those discussed under “Risk Factors” in Part I, Item 1A of the ~~2019~~2020 Annual Report on Form 10-K and in Part II, Item 1A of this quarterly Report on Form 10-Q.

Any or all of management’s forward-looking statements here or in other publications may turn out to be incorrect and are based on management’s current belief or opinions. Ambac’s actual results may vary materially, and there are no guarantees about the

~~| Ambac Financial Group, Inc.~~ 42~~2020 First Quarter FORM 10-Q~~ |

performance of Ambac’s securities. Among events, risks, uncertainties or factors that could cause actual results to differ materially are: (1) the highly speculative nature of AFG’s common stock and volatility in the price of AFG’s common stock; (2) ~~uncertainty concerning~~Ambac's inability to realize the ~~Company’s ability to achieve value for holders of~~expected recoveries, including RMBS litigation recoveries, included in its ~~securities, whether from~~financial statements which would have a materially adverse effect on Ambac Assurance ~~Corporation~~Corporation's ("~~Ambac Assurance"~~AAC") financial condition and ~~its subsidiaries or from transactions or opportunities apart from Ambac Assurance and its subsidiaries, including new business initiatives;~~may lead to regulatory intervention; (3) ~~changes in Ambac’s estimated representation and warranty recoveries or loss reserves over time; (4)~~ failure to recover claims paid on Puerto Rico exposures or ~~incurrence~~realization of losses in amounts higher than expected; ~~(5) adverse effects on AFG’s share price resulting from future offerings of debt or equity securities that rank senior~~(4) increases to AFG’s common stock; (6) potential of rehabilitation proceedings against Ambac Assurance; (7) dilution of current shareholder value or adverse effects on AFG’s share price resulting from the issuance of additional shares of common stock; (8)loss and loss expense reserves; (5) inadequacy of reserves established for losses and loss expenses and possibility that changes in loss reserves may result in further volatility of earnings or financial results; ~~(9)~~(6) uncertainty concerning the Company’s ability to achieve value for holders of its securities, whether from AAC and its subsidiaries or from transactions or opportunities apart from AAC and its subsidiaries, including new business initiatives relating to the specialty property and casualty program insurance business, the managing general agency/underwriting business, or related businesses; (7) potential of rehabilitation proceedings against AAC; (8) increased fiscal stress experienced by issuers of public finance obligations or an increased incidence of Chapter 9 filings or other restructuring proceedings by public finance issuers, including an increased risk of loss on revenue bonds of distressed public finance issuers due to ~~recent~~ judicial decisions adverse to revenue bond holders; (10) Ambac's inability to realize the expected recoveries included in its financial statements; (11) insufficiency or unavailability of collateral to pay secured obligations; (12) credit risk throughout Ambac’s business, including but not limited to credit risk related to residential mortgage-backed securities, student loan and other asset securitizations, public finance obligations (including obligations of the Commonwealth of Puerto Rico and its instrumentalities and agencies) and exposures to reinsurers; (13) credit risks related to large single risks, risk concentrations and correlated risks; (14) the risk that the Ambac’s risk management policies and practices do not anticipate certain risks and/or the magnitude of potential for loss; (15) risks associated with adverse selection as Ambac’s insured portfolio runs off; (16) adverse effects on operating results or the Company’s financial position resulting from measures taken to reduce risks in its insured portfolio; (17) disagreements or disputes with Ambac's insurance regulators; (18)(9) our inability to mitigate or remediate losses, commute or reduce insured exposures or achieve recoveries or investment objectives, or the failure of any transaction intended to accomplish one or more of these objectives to deliver anticipated results; ~~(19)~~(10) insufficiency or unavailability of collateral to pay secured obligations; (11) credit risk throughout Ambac’s ~~substantial indebtedness could adversely affect its financial condition~~business, including but not limited to credit risk related to residential mortgage-backed securities, student loan and operating flexibility; (20) Ambac may not be able to obtain financing or raise capital on acceptable terms or at all due to its substantial indebtedness and financial condition; (21) Ambac may not be able to generate the significant amount of cash needed to service its debt and financialother asset securitizations, public finance obligations and ~~may not be able~~exposures to refinance its indebtedness; (22) restrictive covenants in agreements and instruments may impair Ambac's ability to pursue or achieve its business strategies; (23) loss of control rights in transactions for which we provide insurance due to a finding that Ambac has defaulted; (24)reinsurers; (12) the impact of catastrophic environmental or natural events, including catastrophic public health events like the COVID-19 pandemic, on significant portions of our insured and investment portfolios; ~~(25)~~(13) credit risks related to large single risks, risk concentrations and correlated risks; (14) the risk that Ambac’s risk management policies and practices do not anticipate certain risks and/or the magnitude of potential for loss; (15) risks associated with adverse selection as Ambac’s insured portfolio runs off; (16) Ambac’s substantial indebtedness could adversely affect its financial condition and operating flexibility; (17) Ambac may not be able to obtain financing or raise capital on acceptable terms or at all due to its substantial indebtedness and financial condition; (18) Ambac may not be able to generate the significant

| Ambac Financial Group, Inc. 402021 First Quarter FORM 10-Q |

amount of cash needed to service its debt and financial obligations, and may not be able to refinance its indebtedness; (19) restrictive covenants in agreements and instruments may impair Ambac’s ability to pursue or achieve its business strategies; (20) adverse effects on operating results or the Company’s financial position resulting from measures taken to reduce risks in its insured portfolio; (21) disagreements or disputes with Ambac's insurance regulators; (22) default by one or more of Ambac's portfolio investments, insured issuers or counterparties; (23) loss of control rights in transactions for which we provide insurance due to a finding that Ambac has defaulted; (24) adverse tax consequences or other costs resulting from the characterization of ~~Ambac Assurance’s~~the AAC’s surplus notes or other obligations as equity; ~~(26)~~(25) risks attendant to the

change in composition of securities in the Ambac’s investment portfolio; ~~(27)~~(26) adverse impacts from changes in prevailing interest rates; (27) our results of operation may be adversely affected by events or circumstances that result in the impairment of our intangible assets and/or goodwill that was recorded in connection with Ambac’s acquisition of 80% of the membership interests of Xchange; (28) risks associated with the expected discontinuance of the London Inter-Bank Offered Rate; (29) factors that may negatively influence the amount of installment premiums paid to the Ambac; (30) ~~default by one or more of Ambac 's portfolio investments, insured issuers or counterparties; (31)~~ market risks impacting assets in the Ambac’s investment portfolio or the value of our assets posted as collateral in respect of interest rate swap transactions; ~~(32)~~(31) risks relating to determinations of amounts of impairments taken on investments; ~~(33)~~(32) the risk of litigation and regulatory inquiries or investigations, and the risk of adverse outcomes in connection therewith, which could have a material adverse effect on Ambac’s business, operations, financial position, profitability or cash flows; ~~(34)~~(33) actions of stakeholders whose interests are not aligned with broader interests of the Ambac's stockholders; ~~(35)~~(34) system security risks, data protection breaches and cyber attacks; ~~(36)~~(35) changes in accounting principles or practices that may impact Ambac’s reported financial results; ~~(37)~~(36) regulatory oversight of Ambac Assurance UK Limited ("Ambac UK") and applicable regulatory restrictions may adversely affect our ability to realize value from Ambac UK or the ~~economic and regulatory impact~~amount of ~~“Brexit”; (38)~~value we ultimately realize; (37) operational risks, including with respect to internal processes, risk and investment models, systems and employees, and failures in services or products provided by third parties; ~~(39)~~(38) Ambac’s financial position that may prompt departures of key employees and may impact the its ability to attract qualified executives and employees; ~~(40)~~(39) fluctuations in foreign currency exchange rates could adversely impact the insured portfolio in the event of loss reserves or claim payments denominated in a currency other than US dollars and the value of non-US dollar denominated securities in our investment portfolio; (40) disintermediation within the insurance industry that negatively impacts our managing general agency/underwriting business; (41) changes in law or in the functioning of the healthcare market that impair the business model of our accident and ~~(41)~~health managing general underwriter; and (42) other risks and uncertainties that have not been identified at this time.

EXECUTIVE SUMMARY ($ in millions)

Company Overview:

See Note 1. Background and Business Description to the Unaudited Consolidated Financial Statements, included in Part I, Item 1 in this Form 10-Q and Note 1. Background and Business Description in the Notes to Consolidated Financial Statements included in the Company’s Annual Report on Form 10-K for the year ended December 31, ~~2019,~~2020, for a description of the Company and our key strategic priorities to achieve our primary goal to maximize stockholder value.

~~Ambac Assurance~~AFG

During 2021, AFG continued its progress in the development of its specialty property and ~~Subsidiaries:~~casualty program insurance and activities included the following:

•AFG contributed additional capital to the Everspan Group in the amount of $82 million.

•The Everspan Group platform received an A- Financial Strength Rating from A.M. Best in February 2021.

AFG Net Assets

As of March 31, 2021, net assets of AFG, excluding its equity investments in subsidiaries, were $274.


Cash and short-term investments	$	147
Other investments (1)	123
Other net assets	5
Total	$	274

(1)Includes surplus notes (fair value of $114) issued by AAC that are eliminated in consolidation.

AAC and Subsidiaries

A key strategy for Ambac is to increase the value of its investment in ~~Ambac Assurance~~AAC by actively managing its assets and liabilities. Asset management primarily entails maximizing the ~~risk adjusted~~risk-adjusted return on non-VIE invested assets and managing liquidity to help ensure resources are available to meet operational and strategic cash needs. These strategic cash needs include activities associated with Ambac's liability management and loss mitigation programs.

Asset ~~Management:~~Management

Investment portfolios are subject to internal investment guidelines, as well as limits on types and quality of investments imposed by ~~applicable~~ insurance laws and regulations. As part of its investment strategy, and in accordance with the aforementioned guidelines, Ambac Assurance and Ambac UK, a subsidiary of Ambac Assurance, purchase distressed Ambac-insured securities based on their relative risk/reward characteristics. The investment portfolios of ~~Ambac Assurance~~AAC and Ambac UK also hold fixed ~~income~~maturity securities and various pooled investment funds. Refer to

~~| Ambac Financial Group, Inc.~~ 43~~2020 First Quarter FORM 10-Q~~ |

Note 8.9. Investments to the Unaudited Consolidated Financial Statements, included in Part I, Item 1 in this Form 10-Q for further details of fixed ~~income~~maturity investments by asset category and pooled investment funds by investment type.

At March 31, ~~2020,~~2021, Ambac and its subsidiaries owned ~~$402 million~~$615 of distressed Ambac-insured bonds, including ~~$164 million~~significant concentrations of insured Puerto Rico and RMBS bonds, and excluding Ambac's holdings of secured notes issued by Ambac ~~LSNI in connection with the Rehabilitation Exit Transactions.~~LSNI. Subject to ~~applicable~~ internal and regulatory guidelines, market

| Ambac Financial Group, Inc. 412021 First Quarter FORM 10-Q |

conditions and other constraints, Ambac ~~will~~may continue to opportunistically purchase or sell Ambac-insured securities.

Liability and Insured Exposure ~~Management:~~Management

~~Ambac Assurance's~~AAC's Risk Management Group focuses on the ~~analysis,~~ implementation and execution of ~~commutations,~~ risk reduction, or defeasance and loss recovery strategies. Analysts evaluate the estimated timing and severity of projected policy claims as well as the potential impact of loss mitigation or remediation strategies in order to target and prioritize policies, or portions thereof, for commutation, reinsurance, refinancing, restructuring or other risk reduction strategies. For targeted policies, analysts will engage with issuers, bondholders and other economic stakeholders to negotiate, structure and execute such strategies. During ~~2020,~~2021, successful risk reduction transactions included:

~~A commutation in~~•In January ~~2020, via~~2021, AAC completed the purchase of quota share reinsurance on a ~~refunding,~~portfolio of apublic finance credits with net par outstanding of approximately $823 at December 31, 2020. Par ceded included general obligation ($347), lease and tax-backed revenue ($234), higher education ($161) and transportation ($81) and included $158 of watch list ~~public finance~~and adversely classified credits.

•In February 2021, AAC's exposure to an adversely classified stadium transaction with net par outstanding of ~~$171 million~~$540 at December 31, ~~2019;~~2020, was eliminated through the combination of a refinancing and

~~A refinancing in February 2020 of an adversely classified asset-backed leasing transaction with net par outstanding of $86 million at December 31, 2019.~~ quota share reinsurance.

The following table provides a comparison of total, adversely classified ~~credits~~ ("ACC") and watch list ~~credits~~credit net par outstanding in the insured portfolio at March 31, ~~2020~~2021 and December 31, ~~2019.~~2020. Net par exposure within the U.S. public finance market includes capital appreciation bonds which are reported at the par amount at the time of issuance of the insurance policy as opposed to the current accreted value of the bonds.


	March 31, 2021		December 31, 2020		Decrease
Total	$	31,447	$	33,888	$	(2,441)	(6)	%
ACC	7,603		8,458		(855)		(10)	%
Watch list	4,532		4,720		(188)		(4)	%

($ in millions) March 31,
2020 December 31,
2019 Variance
Total $ 36,186
$ 38,018
$ (1,832 ) (5 )%
ACC 8,376
7,535
841
11 %
Watch list 5,442
6,752
(1,310 ) (19 )%

The ~~overall reduction~~decrease in ~~ACC and Watch List~~ total net par outstanding resulted from active de-risking initiatives, ~~at Ambac Assurance and Ambac UK,~~ including the transactions noted above, as well as scheduled maturities, amortizations, refundings and calls. ~~Additionally, total net par outstanding reduced as a result of the weakening of British Pounds as compared to US Dollars.~~

The ~~increase~~decrease in ACC exposures is primarily due to the ~~addition~~de-risking of ~~credits impacted by COVID-19 (including $970 million of~~an adversely classified stadium transaction with net par outstanding ~~from~~of $540 at December 31, 2020 and the ~~watch list category), such as hotel tax, convention center and public house insured transactions, partially offset by active de-risking and paydowns or calls by issuers. In addition, as a result~~aforementioned purchase of quota share reinsurance in the ~~economic impacts from the COVID-19 pandemic, $2,635 million~~amount of $59.

The decrease in Watch List net par outstanding ~~in sectors such as~~

~~mass transit, toll roads,~~resulted from scheduled maturities, amortizations, refundings and ~~private higher education, among others, have been added to~~calls and the ~~Survey List. The Survey List is a categorization for enhanced monitoring~~aforementioned purchase of ~~currently performing credits.~~

We continue to experience stress in our exposure to Puerto Rico that consists of several different issuing entities (all below investment grade). Each issuing entity has its own credit risk profile attributable to discreet revenue sources, direct general obligation pledges and general obligation guarantees. Refer to Part 1, Item 1quota share reinsurance in the ~~Company’s Annual Report on Form 10-K for the year ended December 31, 2019, for additional information regarding the different issuing entities that encompass Ambac's exposures to Puerto Rico.~~amount of $99.

COVID-19

In March 2020, the outbreak of COVID-19, caused by a novel strain of the coronavirus, was recognized as a pandemic by the World Health Organization, and the outbreak is now widespread globally, including in the markets in which we operate. The COVID-19 ~~outbreak~~pandemic has had, and continues to have, a notable impact on general economic conditions, including but not limited to ~~a sharp spike~~higher unemployment; volatility in ~~unemployment; a broad based and significant decrease in asset valuations;~~the capital markets; closure or severe curtailment of the operations and, hence,

revenues, of many businesses and public and private enterprises to which we are directly or indirectly exposed, such as hotels, restaurants, sports and entertainment facilities, airports and other transportation facilities, and retail establishments, mostly due to ~~shelter-in-place orders,~~ social distancing guidelines, travel bans and restrictions, and business ~~shutdowns. In addition, in March 2020 a disagreement between Russia~~restrictions and Saudi Arabia over oil production quotas led to a sudden and sharp decline in oil prices which have subsequently fallen to historic lows. Accordingly, we are now in a global recession with most large economies experiencing negative growth. shutdowns.

In the U.S., significant monetary policy ~~and~~actions, fiscal stimulus ~~particularly~~measures and other relief measures have helped to moderate the negative economic impacts of COVID-19, and have supported the economic recovery which began in the second half of 2020 and continues into 2021. These measures include monetary policy decisions, such as quantitative easing, providing liquidity to financial institutions, providing liquidity to credit markets and the Paycheck Protection Program Lending Facility; Congressional fiscal stimulus and other actions, such as the $1.9 trillion American Rescue Plan Act or ARPA, which was enacted in March 2021, and a number of programs enacted in 2020, including the $2.4 trillion Coronavirus Aid, Relief and Economic Security ("CARES") Act, the $483 billion Paycheck Protection Program And Health Care Enactment Act, the $190 billion Families First Coronavirus Response Act, and the $920 billion 2021 Consolidated Appropriations Act. Collectively, these programs provide, among other things, direct payments to households, support for small businesses, renter assistance and funding for transport, airlines, healthcare, education and state and local governments. In addition, housing measures, such as forbearance on mortgages and suspension of foreclosures and evictions, and various executive orders have helped to provide relief. Outside of the U.S., and in the United Kingdom and Italy in particular, where Ambac has insured portfolio exposure, various monetary policy, fiscal stimulus measures and other actions have helped to moderate the economic ~~impact~~impact.

In the U.S., the economic recovery, which began in the second half of ~~COVID-19, along with~~2020, continues through the first quarter of 2021, supported by the aforementioned monetary policy and fiscal stimulus measures as well as a rapidly increasing COVID 19 vaccination rate. Economic recovery and, in particular, fiscal stimulus measures such as the $350 billion of assistance earmarked for state and local governments under ARPA and other ~~actions taken~~funding to support households under ARPA and other programs, should be an overall benefit to most issuers in Ambac's insured portfolio negatively impacted by ~~governments outside~~ the ~~U.S.; however,~~COVID-19 pandemic. Nonetheless, credit risk in the insured portfolio remains ~~a concern given the~~elevated due to, among other things, uncertainty over the ~~severity~~trajectory and ~~duration~~continuity of the economic recovery due to still high COVID-19 ~~related disruption.~~

~~COVID-19 has impacted Ambac's operating environment. Ambac has implemented a COVID-19 response plan designed to ensure~~infection rates globally as well as the ~~safety~~spread of our staff and business continuity. Our employees have transitioned to working remotely while maintaining full operational capabilities. We have not experienced and do not anticipate incurring material incremental operating expenditures to maintain the current remote operating environment.new virus variants. In addition, ~~to our own staff, Ambac's critical third-party service providers are operating remotely~~the near-term efficacy of fiscal stimulus and ~~therefore we have conducted a review of these service providers and have not presently identified or experienced any limitations or operational constraints with respect to services provided~~related measures on certain exposures in the ~~current environment. Ambac does not believe that our current operating environment has resulted in a significant change~~insured portfolio impacted by the COVID-19 pandemic, such as those with exposure to ~~our disclosure controls or internal controls over financial reporting.~~the performance of hotels, restaurants, and entertainment centers, is uncertain.

Since 2020, COVID-19 has adversely impacted Ambac's financial position and results of operations as credit risk in the insured and investment portfolios has increased. ~~Municipal, project finance,~~In the insured portfolio, municipal, mortgage-backed ~~and student loan sectors,~~ and other asset ~~securitizations, in particular,~~securitization exposures have been adversely impacted and, despite the ongoing economic recovery, could still be materially adversely impacted in the future. We are continuously evaluating and ~~as a result~~updating our

| Ambac Financial Group, Inc. 4442 ~~2020~~2021 First Quarter FORM 10-Q|

~~we have increased loss reserves across each of these and other sectors during the three months ended March 31, 2020. We are continuously evaluating and updating our~~ view of the macro economic environment as well as our specific credit view of each of our insured exposures considering the significant uncertainties brought upon us by the COVID-19 pandemic. The overall financial impact from COVID-19 has been and will be a function of (i) the willingness and ability of issuers of insured ~~obligations~~debt and other counterparties to pay their obligations when ~~due, whether due to operational or financial reasons;~~due; (ii) the impact of changes to interest rates on policy and derivative ~~payments~~payments; and (iii) the performance of the investment portfolio.

•Ambac’s insurance policies will be drawn in the event that the issuers of insured obligations do not make payments on their obligations when due. As a result of the COVID-19 related economic ~~disruption~~impact on issuers and markets where Ambac provides financial ~~guarantees,~~guarantees; including lower tax, project, and business revenues and increases in forbearances or delinquencies on mortgage and student loan payments, we ~~have~~ increased our loss reserves ~~and~~across affected exposures. The crisis may ~~further increase them in~~also impair certain issuers' ability to pay premiums owed to Ambac; however, we believe such issuers currently have the ~~future depending on the duration and severity of the crisis. Ambac also has~~ability to continue to pay such premiums ~~due from issuers; we currently do not expect any significant delay or increase in credit impairments with respect to insurance premiums,~~timely, but ~~that~~this is subject to change.

•Ambac has exposure to reinsurance counterparties for their portions of future claim payments. Ambac has reinsured approximately ~~13.8%~~15.8% of its gross par outstanding to ~~four~~five reinsurance counterparties. Each of these reinsurance counterparties is experienced in the business of reinsuring and/or writing financial guaranty insurance. All have current ratings of A+ (by S&P) or better and have ~~sufficient~~ collateralization or replacement triggers upon downgrade. Ambac actively monitors each of these reinsurance entities and ~~at present~~currently believes they have the ability to perform under their respective reinsurance policies, but ~~that~~this is subject to change.

•Ambac is exposed to the risk that contractual counterparties (including those under our RMBS litigations and derivative counterparties) may default inon their financial obligations, whether as the result of insolvency, lack of liquidity, operational failure, fraud or other reasons. At present, Ambac has no concerns about the ability of our contractual counterparties, which include certain regulated exchanges in the case of interest rate swaps and futures, to perform under their contracts, but ~~that~~this is ~~also~~ subject to change.

Asset prices have declined substantially during the quarter, particularly in directly affected industries such as tourism, airlines, hospitality, commercial real estate and manufacturing. While Ambac does not have significant investments in these asset classes, we did experience a negative total return for the investment portfolio of approximately (4.4)% during the three month period ending March 31, 2020. We evaluated and did not recognize credit impairments on the investment portfolio as of such date. However, in early April 2020, we decided to monetize a material portion of our investments in certain assets classes; including corporate securities rated below the 'A 'rated category, all directly owned CMBS (other than Military Housing bonds and mostly 'AAA' rated), and approximately

~~50% of all CLOs (all rated investment grade). While these positions were sold at a net gain, future investment losses and impairments may be possible.~~

Given the economic uncertainties associated with the duration and effects of the COVID-19 pandemic, it is impossible to fully predict all of its consequences and, as a result, it is possible that our future operating results and financial condition may be materially adversely affected. Refer to "Financial Guarantees In ~~Force",~~Force," "Results of Operations" and "Balance Sheet Commentary" for further financial details on the current impact from COVID-19.

With regard to Ambac's new business strategic objective, we continue to evaluate opportunities in a disciplined manner. Our evaluation process has been revised to incorporate consideration of the impact of COVID-19 on new business prospects as well as Ambac's existing business and operations. While we continue to pursue new business opportunities, we believe that the COVID-19 pandemic has caused a general slow down in activity as potential targets evaluate the financial and strategic impact of the pandemic on their businesses and due to the practical constraints of shelter-in-place orders, social distancing guidelines, travel bans and restrictions, and business shutdowns.

~~AFG:~~

~~As of March 31, 2020 the net assets of AFG were $482 million.~~

($ in millions)
Cash and short-term investments $ 317
Other investments ⁽¹⁾
157
Other net assets ⁽²⁾
8
Total $ 482


~~(1)~~	~~Includes surplus notes (fair value of $59 million) issued by Ambac Assurance that are eliminated in consolidation.~~


~~(2)~~	Includes accruals for tolling payments from Ambac Assurance in accordance with the Amended Tax Sharing Agreement of $28 million. Refer to Note 10. Income Taxes for discussion over the timing of collection.

Financial Statement Impact of Foreign Currency:

The impact of foreign currency as reported in Ambac's Unaudited Consolidated Statement of Total Comprehensive Income for the three months ended March 31, ~~2020,~~2021, included the following:

($ in millions)
Net income ⁽¹⁾
$ 1
Gain (loss) on foreign currency translation (46 )
Unrealized gains (losses) on non-functional currency available-for-sale securities 11
Impact on total comprehensive income (loss) $ (34 )


~~(1)~~	~~A portion of Ambac UK's, and to a lesser extent Ambac Assurance's, assets and liabilities are denominated in currencies other than its functional currency and accordingly, we recognized net~~
Net income (1)		$	(5)
Gain (loss) on foreign currency ~~transaction gains/~~translation (net of tax)		6
Unrealized gains (losses) ~~as a result~~on non-functional currency available-for-sale securities (net of changes to foreign currency rates through our Unaudited Consolidated Statement of Total Comprehensive Income (Loss). Refer to Note 2. Basis of Presentation and Significant Accounting Policies to the Unaudited Consolidated Financial Statements included in Part I, Item 1 in this Form 10-Q for further detailstax)		—
Impact on ~~transaction gains and losses.~~total comprehensive income (loss)		$	1

|(1) A portion of Ambac ~~Financial Group, Inc.~~ 45~~2020 First Quarter FORM 10-Q~~ |UK's, and to a lesser extent AAC's, assets and liabilities are denominated in currencies other than its functional currency and accordingly, we recognized net foreign currency transaction gains/(losses) as a result of changes to foreign currency rates through our Unaudited Consolidated Statement of Total Comprehensive Income (Loss).

Future changes to currency rates may adversely affect our financial results. Refer to Part II, Item 7A in the Company’s Annual Report on Form 10-K for the year ended December 31, ~~2019~~2020, for further information on the impact of future currency rate changes on Ambac's financial instruments.

LIBOR Sunset

Ambac continuously monitors regulatory and industry developments related to the transition from LIBOR to alternative reference rates. On April 6, 2021, New York State passed legislation addressing the cessation of U.S. Dollar ("USD") LIBOR and specified a recommended benchmark replacement based on the Secured Overnight Financing Rate (SOFR) for certain legacy transactions. The Alternative Reference Rates Committee, the Federal Reserve Board and several industry associations and groups have expressed support for the new law and are encouraging comparable Federal legislation. While Ambac believes the New York LIBOR law is generally a positive step, there remains significant uncertainty about how it will be interpreted or challenged as well as about other aspects of the discontinuance of LIBOR, including the impact of any Federal legislation. See the risk factor "Uncertainties regarding the expected discontinuance of the London Inter-Bank Offered Rate or any other interest rate benchmark could have adverse consequences" found in Part I, Item 1A of Ambac’s Annual Report on Form 10-K for the year ended December 31, 2020. Also, for further background and information about management's evaluation of Ambac's potential exposures to LIBOR transition, see "Executive Summary — LIBOR Sunset" in Part II, Item 7 “Management’s Discussion and Analysis of Financial Condition and Results of Operations” included in Ambac’s Annual Report on Form 10-K for the year ended December 31, 2020.

CRITICAL ACCOUNTING POLICIES AND ESTIMATES

Ambac’s Unaudited Consolidated Financial Statements have been prepared in accordance with U.S. generally accepted accounting principles (“GAAP”), which require the use of material estimates and assumptions. For a discussion of Ambac’s critical accounting policies and estimates, see “Critical Accounting Policies and Estimates” in Part II, Item 7 “Management’s Discussion and Analysis of Financial Condition and Results of Operations”

| Ambac Financial Group, Inc. 432021 First Quarter FORM 10-Q |

included in Ambac’s Annual Report on Form 10-K for the year ended December 31, ~~2019.~~2020.

FINANCIAL GUARANTEES IN FORCE
($ in millions)

Financial guarantee products were sold in three principal markets: U.S. public finance, U.S. structured finance and international finance. The following table provides a breakdown of guaranteed net par outstanding by market at March 31, ~~2020~~2021 and December 31, ~~2019.~~2020. Net par exposures within the U.S. public finance market include capital appreciation bonds which are reported at the par amount at the time of issuance of the insurance policy as opposed

to the current accreted value of the bonds. Guaranteed net par outstanding includes the exposures of policies insuring variable interest entities (“VIEs”) consolidated in accordance with the Consolidation Topic of the ~~ASC,~~ ~~Consolidation.~~ASC. Guaranteed net par outstanding excludes the exposures of policies that insure bonds which have been refunded or pre-refunded and excludes exposure of the policy that insures the notes issued by Ambac LSNI as defined in

Note ~~1. Background and Business Description~~3. Variable Interest Entities in the Notes to the Unaudited Consolidated Financial Statements included in Part ~~II,~~I, Item 81 in ~~the Company's Annual~~this Quarterly Report on Form ~~10-K for the year ended~~10-Q:


	March 31, 2021		December 31, 2020
Public Finance (1) (2)	$	13,942	$	15,497
Structured Finance	6,066		6,337
International Finance	11,439		12,054
Total net par outstanding	$	31,447	$	33,888

(1)Includes $5,555 and $5,575 of Military Housing net par outstanding at March 31, 2021 and December 31, ~~2019:~~2020, respectively.

($ in millions) March 31,
2020 December 31,
2019
Public Finance ^{(1) (2)}
$ 17,093
$ 17,653
Structured Finance 7,139
7,508
International Finance 11,954
12,857
Total net par outstanding $ 36,186
$ 38,018

(2)Includes $1,067 and $1,070 of Puerto Rico net par outstanding at March 31, 2021 and December 31, 2020, respectively. Components of Puerto Rico net par outstanding include capital appreciation bonds which are reported at the par amount at the time of issuance of the related insurance policy as opposed to the current accreted value of the bonds.


~~(1)~~	~~Includes $5,636 and $5,654 of Military Housing net par outstanding at March 31, 2020 and December 31, 2019, respectively.~~


~~(2)~~	Includes $1,105 and $1,123 of Puerto Rico net par outstanding at March 31, 2020 and December 31, 2019, respectively. Components of Puerto Rico net par outstanding include capital appreciation bonds which are reported at the par amount at the time of issuance of the related insurance policy as opposed to the current accreted value of the bonds.

The table below shows Ambac’s ten largest insured exposures, by repayment source, as a percentage of total financial guarantee net par outstanding at March 31, ~~2020:~~2021:


		Risk Name	Country-Bond Type	Ambac Ratings (1)	Ultimate Maturity Year	Net Par Outstanding (2)		% of Total Net Par Outstanding
IF	AUK	Mitchells & Butlers Finance plc-UK Pub Securitisation	UK-Asset Securitizations	BBB	2033	$	961	3.1	%
IF	AUK	Capital Hospitals plc (3)	UK-Infrastructure	A-	2046	902		2.9	%
IF	AUK	Anglian Water	UK-Utility	A-	2035	868		2.8	%
IF	AUK	Aspire Defence Finance plc	UK-Infrastructure	A-	2040	864		2.7	%
IF	AUK	National Grid Gas	UK-Utility	BBB+	2037	801		2.5	%
PF	AAC	New Jersey Transportation Trust Fund Authority - Transportation System	US-Lease and Tax-backed Revenue	BBB-	2036	767		2.4	%
IF	AUK	Posillipo Finance II S.r.l	Italy-Sub-Sovereign	BIG	2035	713		2.3	%
IF	AUK	Ostregion Investmentgesellschaft NR 1 SA (3)	Austria-Infrastructure	BIG	2039	679		2.2	%
IF	AUK	RMPA Services plc	UK-Infrastructure	BBB+	2038	570		1.8	%
IF	AUK	National Grid Electricity Transmission	UK-Utility	BBB+	2036	540		1.7	%
Total						$	7,665	24.4	%
PF = Public Finance, SF = Structured Finance, IF = International Finance AAC = Ambac Assurance, AUK = Ambac UK

(1) Internal credit ratings are provided solely to indicate the underlying credit quality of guaranteed obligations based on the view of Ambac. In cases where Ambac has insured multiple tranches of an issue with varying internal ratings, or more than one obligation of an issuer with varying internal ratings, a weighted average rating is used. Ambac credit ratings are subject to revision at any time and do not constitute investment advice. BIG denotes credits deemed below investment grade.

(2) Net Par includes capital appreciation bonds, which are reported at the par amount at the time of issuance of the insurance policy as opposed to the current accreted value of the bonds.

(3) A portion of this transaction is insured by an insurance policy issued by AAC. AAC has issued policies for these transactions that will only pay in the event that Ambac UK does not pay under its insurance policies ("second to pay policies").

($ in millions) Risk Name Country-Bond Type
Ambac
Ratings ⁽¹⁾

Net Par
Outstanding ⁽²⁾

% of Total
Net Par
Outstanding
IF AUK Mitchells & Butlers Finance plc-UK Pub Securitisation UK-Asset Securitizations BBB $ 957
2.6 %
IF AUK
Capital Hospitals plc ⁽³⁾
UK-Infrastructure A- 830
2.3 %
IF AUK Aspire Defence Finance plc UK-Infrastructure A- 802
2.2 %
PF AAC New Jersey Transportation Trust Fund Authority - Transportation System US-Lease and Tax-backed Revenue BBB- 778
2.2 %
IF AUK Anglian Water UK-Utility A- 772
2.1 %
IF AUK National Grid Gas UK-Utility A- 713
2.0 %
IF AUK Posillipo Finance II S.r.l Italy-Sub-Sovereign BIG 698
1.9 %
IF AUK
Ostregion Investmentgesellschaft NR 1 SA ⁽³⁾
Austria-Infrastructure BIG 662
1.8 %
PF AAC Mets Queens Baseball Stadium Project, NY, Lease Revenue US-Stadium Financing BBB- 540
1.5 %
IF AUK RMPA Services plc UK-Infrastructure BBB+ 531
1.5 %
Total $ 7,283
20.1 %
PF = Public Finance, SF = Structured Finance, IF = International Finance
AAC = Ambac Assurance, AUK = Ambac UK

~~(1)~~

Internal credit ratings are provided solely to indicate the underlying credit quality of guaranteed obligations based on the view of Ambac. In cases where Ambac has insured multiple tranches of an issue with varying internal ratings, or more than one obligation of an issuer with varying internal ratings, a weighted average rating is used. Ambac credit ratings are subject to revision at any time and do not constitute investment advice. BIG denotes credits deemed below investment grade.


~~(2)~~	~~Net Par includes capital appreciation bonds, which are reported at the par amount at the time of issuance of the insurance policy as opposed to the current accreted value of the bonds.~~


~~(3)~~	A portion of this transaction is insured by an insurance policy issued by Ambac Assurance. Ambac Assurance has issued policies for these transactions that will only pay in the event that Ambac UK does not pay under its insurance policies ("second to pay policies").

Net par related to the top ten exposures reduced ~~$357 million~~$54 from December 31, ~~2019.~~2020. Exposures are impacted by changes in foreign exchange rates, certain indexation rates and scheduled and unscheduled paydowns. The decrease from ~~2019~~2020 was primarily related to foreign exchange

~~| Ambac Financial Group, Inc.~~ 46~~2020 First Quarter FORM 10-Q~~ |

and scheduled paydowns. The concentration of net par amongst the top ten (as a percentage of net par outstanding) ~~remains at 20%~~increased slightly to 24% at March 31, ~~2020, and~~

2021, from 23% at December 31, ~~2019, however certain credits within the top ten have~~2020. National Grid Gas had an Ambac rating downgrades since December 31, 2019, primarily related to the impact of COVID-19, including Mitchells & Butlers Finance plc, New Jersey Transportation Trust Fund Authority and Mets Queens Baseball Stadium Project. Aspire Defence Finance plc's rating at March 31, 2020, improved since December 31, 2019.2020. The remaining insured portfolio of financial guarantees has an average net par outstanding of ~~$31 million~~$32 per single risk, with insured exposures ranging up to ~~$493 million~~$530 and a median net par outstanding of ~~$5 million.~~$5.

Given that Ambac has not written any new insurance policies since 2008, the risk exists that the insured portfolio becomes

| Ambac Financial Group, Inc. 442021 First Quarter FORM 10-Q |

increasingly concentrated to large and/or below investment grade exposures.

COVID-19

COVID-19 and the public health responses by the US federal and state governments ~~have~~at the onset of the pandemic resulted in a shut down for several months of significant portions of the US economy, including areas that Ambac's insured obligors rely upon to generate the revenues and cash flows necessary to service debts we insure. Governments outside the US, in markets in which Ambac operates, ~~have~~also implemented similar measures to the US. Ambac ~~has undertaken~~undertook a detailed analysis of the potential impact of the closure of certain portions of the US economy ~~as well as~~and certain other economies, including the UK, Italy, and Australia, to assess the impact of the ~~current~~resulting global ~~recession~~economic contraction on its insured financial guarantee portfolio.

The ~~duration~~economic contraction and ~~depth of~~ the ~~recession;~~subsequent recovery; actions such as fiscal stimulus and related programs and monetary policy ~~and fiscal stimulus, including the CARES Act in the US that was signed into law on March 27, 2020, and future fiscal stimulus programs;~~decisions; and our insured obligors' financial flexibility and ability to mitigate the operational and economic impact of the recession will determine the ultimate impact to Ambac's insured portfolio.

~~CARES Act~~Fiscal Stimulus and ~~Other Relief Measures:~~Monetary Policy

~~The $2.2 trillion Coronavirus Aid, Relief, and Economic Security Act ("CARES Act") provides relief and~~In the U.S., significant fiscal stimulus ~~funds for American consumers, businesses and industries impacted by COVID-19.~~

~~The CARES Act has several~~ measures, ~~that impacted US municipalities~~monetary policy actions and other ~~borrowers, including consumers, such as mortgage~~relief measures have helped to moderate the negative economic impacts of COVID-19 and ~~student loan borrowers, represented~~have supported the economic recovery which began in ~~our insured portfolio, including:~~

~~$500 billion~~the second half of 2020 and continues into 2021. These measures include the $1.9 trillion American Rescue Plan Act or ARPA, signed into law in March 2021, which together with other fiscal stimulus measures put in place in 2020, provide for, direct lending, loans, loan guarantees and investments to eligible businesses, states and municipalities, including $25 billion dedicated to passenger airlines and $4 billion dedicated to cargo airlines;

~~$659 billion for small business loans (Paycheck Protection Program, as amended by the Paycheck Protection Program and Health Care Enhancement Act (“PPP & HCE Act”));~~

~~$150 billion allocation of direct aid~~among other things, funding to state and local governments, ~~to reimburse them for the costs of dealing with COVID-19;~~

~~$175 billion to the Public Health and Social Services Fund for distribution of grants to healthcare providers and hospitals (as amended by the PPP & HCE Act);~~

~~$25 billion of grants for transit agencies;~~

~~$10 billion of grants for airport authorities; and~~

direct payments to households, support for small businesses, renter assistance and funding for ~~unemployment insurance, estimated~~transport, airlines, healthcare and education. Monetary policy decisions have included quantitative easing and the provision of liquidity to ~~cost $560 billion.~~

financial institutions and credit markets. In addition, housing measures, such as forbearance on mortgages and suspension of foreclosures and evictions, and various executive orders have helped to provide relief. Outside of the US, and in the United Kingdom and Italy in particular, where Ambac has insured portfolio exposure, various monetary policy, fiscal stimulus measures and other actions have helped to moderate the negative economic impact and support recovery.

We are continuously evaluating and updating our view of the macro economic environment as well as our specific credit view of each of our insured exposures considering the significant uncertainties brought upon us by the COVID-19 pandemic.

Despite the above ~~provisions,~~measures, which are designed to help mitigate the economic impact of the COVID-19 pandemic generally, ~~the CARES Act contains~~ certain ~~provisions that~~of these measures may adversely affect Ambac.

The CARES Act temporarily suspended payments on all student loans held by the Department of Education through September 30, 2020. Although it is unclear what impact this CARES Act provision will have on the private student loans owned by special purpose entities that have their securitized obligations guaranteed by Ambac Assurance, we have incorporated into our loss reserves analysis assumptions related to increased delinquencies for borrowers with private student loans who often also have federal student loans and may elect not to pay altogether. Despite the assumed increase in delinquencies and losses related to this potential phenomena as well as the general deterioration in consumer credit related to the economic downturn, Ambac Assurance does not anticipate making substantial claim payments on insured student loan transactions for several years due to the structures governing the insured bonds.

~~Additionally,~~ These include the federal ~~government has provided~~government's temporary relief measures to which servicers of mortgage loans must adhere. The Federal Housing Administration ("FHA") of the US Department of Housing and Urban Development and the Federal Housing Finance Agency ("FHFA") are providing temporary relief measures that require mortgage loan servicers to offer relief to borrowers who suffer hardship as a result of COVID-19. The relief measures ~~announced~~ include ~~a 60-day moratorium~~moratoriums on foreclosures and

evictions ~~and~~as well as the expansion of forbearance and subsequent repayment options. Such servicers are generally applying these guidelines to non-FHFA loans, including those loans owned by special purpose entities that have their securitized obligations guaranteed by ~~Ambac Assurance. Moreover, several State agencies have issued similar guidance~~AAC. Forbearances increased sharply across the AAC's insured first lien RMBS obligations during the second quarter of 2020 and early in the third quarter of 2020, but then dropped later in the third quarter of 2020 through March 31, 2021, albeit to ~~mortgage loan servicers concerning loan~~still elevated levels. The ultimate impact of forbearances and other relief ~~for borrowers. Depending~~measures, such as foreclosure and eviction moratoriums, on the severity and length of the economic downturn, there may be increasing pressure to extend the duration of forbearances and subsequently to offer generous repayment plans. While the impact of these and other forbearance measures on Ambac Assurance'sAAC's insured RMBS obligations are ~~unclear,~~still unclear. However, we have assumed that such measures ~~as well as the economic impact of the global recession,~~ will have an adverse impact on ~~delinquencies and home price appreciation for the mortgages that underlie~~ our insured RMBS transactions. Consequently, we have anticipated that we will experience an increase in claim payments for certain of our insured RMBS obligations. However, we also anticipate that the significant decline in interest rates experienced during the first quarter of 2020 will likely generate additional excess spread recoveries on insured RMBS obligations ~~that will likely more than compensate for such adverse effects.~~

~~| Ambac Financial Group, Inc.~~ 47~~2020 First Quarter FORM 10-Q~~ |

~~In addition to,~~ as well as in connection with the CARES Act, the Federal Reserve has implemented a number of programs to improve liquidity and the functioning of the financial markets in an effort to help mitigate the impact of the COVID-19 pandemic on financial markets and the macro economy as well as certain displaced sectors of the economy, including those in which Ambac operates, including, but not limited to:

~~$500 billion for the Municipal Liquidity Facility;~~

~~$750 billion for the Primary Market Corporate Credit Facility and Secondary Market Corporate Credit Facility; and~~

~~The Money Market Mutual Fund Liquidity Facility.~~

In the UK, on March 20, 2020, the government announced the closure of all non-essential leisure, food and retail operations, including public houses. This closure remains in place with the date at which such operations may be permitted to reopen being uncertain. The UK Government also announced a number ofthese measures to mitigate the impact of these enforced closures including rebating employers 80% of staff salaries (up to a £2,500 per month per employee cap), tax deferrals, business loan schemes and property tax relief.are unwound.

While Ambac expects the foregoing measures to help mitigate economic damage and aid the functioning of the capital markets, Ambac's exposure to credit risk as a result of the economic fallout from the ~~COIVD-19~~COVID-19 pandemic remains elevated, and we could still experience material losses that would adversely impact our future results of operations and financial condition.

Insured Portfolio:

~~Ambac established~~The U.S. economy continues to recover from COVID-19 pandemic, aided by rapid vaccine diffusion, increased fiscal stimulus, and a ~~set~~continued reopening of ~~base case assumptions that includes a deep recession~~the economy. After contracting in 2020, the U.S. economy is projected to grow strongly in 2021, exceeding 2019 levels of economic output during the ~~first half~~course of the year. Unemployment has recovered 80% from the highs of about 15% in April 2020, ~~with a modest recovery in~~but still remains elevated at about 6% relative to pre-pandemic levels of about 3.5%. Potential headwinds include rising COVID-19 infection rates globally and the ~~second half~~spread of ~~2020, including~~COVID-19 variants.

The improving economy, increased fiscal stimulus and other relief measures should benefit the ~~loosening~~overall credit quality of ~~business~~Ambac's insured portfolio. In particular, the expanded fiscal stimulus resulting from March 2021's $1.9 trillion ARPA should significantly benefit state and ~~travel restrictions. We expect~~local governments that ~~US states and municipalities will face~~have faced significant budget ~~deficits~~constraints as tax revenues faltered as a result of COVID-19 related ~~costs~~shutdowns, job losses and ~~lower (and delayed) income, sales~~travel restrictions. ARPA provides $350 billion to state and ~~other taxes. We expect that monetary policy~~local governments, including to Public Finance issuers with debt insured by Ambac. However, the ultimate impact of ARPA and ~~federal stimulus through~~ the ~~CARES Act~~economic recovery in general on the Ambac insured portfolio remains to be seen, as it will not benefit all insured exposures equally and ~~other programs will help moderate the depth of the recession and therefore the impact on Ambac's insured portfolio.~~may not benefit certain exposures at all.

As part of ~~the~~a detailed analysis of the insured portfolio, we have identified certain Public Finance sectors that are most susceptible to potential claims or impairments as a result of a prolonged ~~recession caused by COVID-19.~~or uneven recovery from the COVID-19 pandemic. Our near-term concerns are concentrated on exposures substantially reliant on narrow, economically sensitive revenue streams. The ability of issuers of these obligations to pay is expected to be ~~impaired~~stressed although several issuers expressed a willingness to use their balance sheets to support their obligations and avoid defaults in the near-term. Ambac's insured par outstanding, net of reinsurance ("NPO"), to these Public Finance sectors are as follows:

($ in millions)
Market / Sector
Total NPO Total Debt Service Due Next Twelve Months
Hotels / Convention Centers $ 258
$ 36.7
Stadiums 635
41.7
Airports 124
22.4
Dedicated Tax 622
290.1
Higher Education Auxiliary 252
27.0
Rail / Mass Transit 329
30.2
Toll Roads / Bridges 502
37.6
Total Public Finance $ 2,722
$ 485.7
| Ambac Financial Group, Inc. 452021 First Quarter FORM 10-Q |


Market / Sector	Total NPO		Total Debt Service Due Next Twelve Months

Toll Roads / Bridges	$	457	$	43
Dedicated Tax	345		51
Rail / Mass Transit	289		15
Higher Education Auxiliary	190		21
Hotels / Convention Centers	188		39
Stadiums	92		8
Airports	22		15
Total Public Finance	$	1,583	$	192

The RMBS ~~and student loan~~ insured portfolios ~~are expected to be~~were adversely impacted by the previously mentioned forbearances and the moratorium on foreclosures as well as the general uncertainty about the trajectory of the economic ~~downturn. Offsetting such~~recover and the impact ~~for RMBS exposures is~~of fiscal stimulus on the U.S. households. This has been offset by the benefit to excess spread within the securitization structures as a result of the ~~significant~~ reduction in interest rates over the past year, which will result in higher ~~recoveries.~~excess spread recoveries to Ambac.

Ambac insured exposure includes a number of international policies where the revenue of the issuer is demand dependent. Such transactions have been impacted by the reduction of revenue due to the COVID-19 pandemic. Ambac and its advisors are working closely with impacted issuers to review their plans and liquidity facilities in light of these events. Ambac's remaining NPO with respect to these international demand dependent policies are as follows:


Market / Sector					Market / Sector	Total NPO		Total Debt Service Due for Twelve Months

($ in millions) Market / Sector	Total NPO		Total Debt Service Due for Twelve Months
Stadiums	$	204	$	23.7
Higher Education	162		8.7
Airports	171		5.4
Asset Securitizations	957		78.5		Asset Securitizations	$	961	$	87
Toll Roads / Bridges	717		56.2		Toll Roads / Bridges	738		59
Airports					Airports	212		7
Higher Education					Higher Education	179		10
Total	$	2,211	$	172.5	Total	$	2,090	$	163

At this time, there are still significant uncertainties surrounding the ultimate number of claims and scope of damage resulting from this pandemic. Actual losses from these events may vary materially from Ambac's loss and loss expense reserves due to several factors, including the inherent uncertainties in making such determinations and the evolving nature of this pandemic. Potential losses from the economic consequences of the COVID-19 pandemic could be material and therefore may have a material adverse effect on our results of operations and financial condition.

Puerto Rico

~~Ambac has~~We continue to experience stress in our exposure to ~~the Commonwealth of~~ Puerto Rico (the "Commonwealth") ~~and its instrumentalities across~~that consists of several different issuing entities (all below investment grade) with total net par exposure of ~~$1,105 million~~$1,067 as of March 31, ~~2020.~~2021. Each issuing entity has its own credit risk profile attributable to, as applicable, ~~discrete~~discreet revenue sources, direct general obligation pledges ~~and/or~~and general obligation ~~guarantees.~~

guarantees. Refer to Part 1, Item 1 in the Company’s Annual Report on Form 10-K for the year ended December 31, 2020, for additional information regarding the different issuing entities that encompass Ambac's exposures to Puerto Rico.

COVID-19

The COVID-19 pandemic had a significant impact on Commonwealth of Puerto Rico much as it did in the 50 U.S. states and other U.S. territories. However, the Puerto Rico economy is currently in recovery with vaccination rates increasing and infection rates declining. Hotel occupancy in the first week of April 2021 reached 84%, which is the highest level since March 2019. Overall, the Commonwealth's general fund revenues in the eight-month period ending February 2021 were up 1.8% year-on-year to $6.75 billion from $6.63 billion and were $1.18 billion higher than the budgeted amount for the period. As reported in the April 23, 2021, Commonwealth Fiscal Plan, Puerto Rico is also expected to benefit from about $43.5 billion in COVID-19-related federal funds from the initial CARES related measures in 2020 through the recently enacted ARPA.

It is unclear if the recovery will hold, what this implies for the Commonwealth’s ability and willingness to pay debt service, and what if any lasting effects COVID-19 will have on the economic and financial profile of Puerto Rico.

Over the longer-term, Puerto Rico's recovery profile will be impacted by a wide range of factors as well as financial considerations including, but not limited to:

~~| Ambac Financial Group, Inc.~~ •48the fiscal and monetary policies of the federal government which will shape the trajectory of the U.S. economy;

•the speed and efficacy of targeted federal aid packages to (1) help Puerto Rico address the negative economic effects of the pandemic and (2) rebuild better and more resilient infrastructure post-Hurricanes Irma and Maria in 2017 and earthquakes in 2020;

•~~2020 First Quarter FORM 10-Q~~supplemental Medicaid funding relief; and

• |the willingness and ability of the Commonwealth government to implement much needed fiscal and structural reforms.

Commonwealth Fiscal ~~Plans~~Plan

On ~~May 9, 2019,~~April 23, 2021, the Oversight Board certified its own version of a new Commonwealth Fiscal Plan. In this current Commonwealth Fiscal Plan, the annual Commonwealth budget surpluses are lower in the short term but larger in the long term than the previous plan because of a longer than previously expected roll-out of federal disaster spending. The surplus through fiscal 2024 is just under $14 billion, whereas the previous plan was almost $18 billion. The current plan projects a 30-year surplus of $19.7 billion, but $5.4 billion of that money may not be available to the Commonwealth because it is being generated by public corporations.

~~On May 3, 2020, the Government of Puerto Rico submitted a draft revised Commonwealth Fiscal Plan to the Oversight Board. The Government’s draft revised~~This most recent Commonwealth Fiscal Plan purports to incorporate the impact of the $120 billion of federal recovery money stemming from the 2017 hurricanes, 2019-2020 earthquakes, and COVID-19 onpandemic, including the ~~Commonwealth economy, and projects diminished growth, surplus, and debt capacity as compared to previous Fiscal Plans.~~recently enacted American Rescue Plan Act or ARPA. The ~~draft revised~~current certified Commonwealth Fiscal Plan ~~also states that~~projects a surplus of $15.2 billion in years 2022-2035, with deficits beginning in 2036, whereas as May 2020's COVID-19 affected certified Commonwealth Fiscal Plan projected a surplus of $5.8 billion over a similar period. Debt sustainability analysis in the ~~Oversight Board’s~~new plan suggests a modest increase to $5.6 billion from $5.0 billion (based upon mid-point of ranges shown in the plan).

As with previous fiscal plans, the current certified Commonwealth Fiscal Plan may significantly inform the Commonwealth Plan of Adjustment ~~is likely not feasible given~~in the ~~impact~~Commonwealth's Title

| Ambac Financial Group, Inc. 462021 First Quarter FORM 10-Q |

III proceeding. However, as was also the case with previous versions of the ~~COVID-19 pandemic. The Oversight Board has not certified the Government of Puerto Rico’s draft revised Fiscal Plan, and may modify the draft revised~~ Commonwealth Fiscal Plan, ~~significantly before certifying a revised fiscal plan. The Oversight Board has stated that it hopes to certify a revised~~the current version of the Commonwealth Fiscal Plan bylacks a high degree of transparency regarding the end of May 2020. The Oversight Board’s certified Fiscal Plan could be significantly different than either the current Commonwealth Fiscal Plan or the Government of Puerto Rico’s draft revised Commonwealth Fiscal Plan.

~~On June 5, 2019, the Oversight Board certified its own version of the Fiscal Plan for the Puerto Rico Highways~~underlying data, assumptions and Transportation Authority ("PRHTA"). Without considering PRHTA Fiscal Plan measures, the PRHTA’s total financial surplus over the six-year plan period is projected to be $31 million. However, after taking into account the measures set forth in the PRHTA Fiscal Plan, the Oversight Board states that the cumulative surplus over that six-year period would grow to $493 million.

~~It is unknown if~~rationales supporting those assumptions, making reconciliation and when a PRHTA Plan of Adjustment will be filed by the Oversight Board or confirmed by the court overseeing the Title III proceedings of PRHTA. It is also unknown if and when other Puerto Rico instrumentalities, which have debt outstanding insured by Ambac Assurance, will be filed under Title III and what effect their fiscal plans and/or plans of adjustment may have on Ambac's financial position.

The Oversight Board will determine, in its sole discretion, when to certify the updated fiscal plans given the uncertainty of the current situation. Moreover, the schedule for development and certification of other instrumentalities’ fiscal plans could be adjusted as well.due diligence difficult.

No assurances can be given that Ambac's financial condition will not suffer a materially negative impact as an ultimate result of decisions based on the Commonwealth Fiscal Plan ~~the Commonwealth Plan of Adjustment,~~ or any future changes or revisions to the Commonwealth ~~fiscal plans~~Fiscal Plan or future fiscal plans ~~and/or plans of adjustment~~ for ~~PRHTA~~Puerto Rico Highways and Transportation Authority ("PRHTA") or other Puerto Rico instrumentalities.

Commonwealth Plan of Adjustment

On February ~~9, 2020,~~23, 2021, the Oversight Board, ~~announced it reached an agreement in principle ("Plan Support Agreement") with certain creditors supporting the restructuring~~as representative of ~~the Commonwealth's General Obligation and PBA debt, and intended to file an amended plan of adjustment ("Amended POA") reflecting the terms of this agreement.~~

~~On February 28, 2020, the Oversight Board filed an amended disclosure statement and Amended POA to restructure $35 billion of debt and other claims against~~ the Commonwealth of Puerto Rico, PBA, and ~~ERS, as well as more than $50 billion in pension liabilities. The~~the Employee Retirement System of the Government of the Commonwealth of Puerto Rico publicly disclosed the Second Amended ~~POA would reduce Commonwealth debt~~Plan Support Agreement ("Second Amended PSA"). Assured Guaranty Corp. and ~~other claims from $35 billion~~Assured Guaranty Municipal Corp. ("Assured") and National Public Finance Guarantee Corporation ("National") conditionally agreed to ~~less than $11 billion, a 70% cut. The~~the Second Amended POA would reduce the Commonwealth’s annual debt service by 56%. Treatment for pension claims is the same as contained in the Initial POA, which is a reduction in pension payments by as much as 8.5% for retirees who currently receive at least $1,200 a month, such that 60% of retirees would not face any cuts, and the establishment of a pension reserve fund to help support retirement payments in future years.

PSA. On ~~March 21, 2020,~~February 23, 2021, the Oversight Board announced that ~~in light~~the Second Amended PSA had the support of 70% of all GO and PBA bonds claims, including the conditional support of Assured and National.

Assured and National originally had until March 31, 2021, to terminate their agreement to the Second Amended PSA, however, that date was extended a number of times, including most recently to May 5, 2021, due to ongoing negotiations between the Oversight Board and the two monolines regarding the treatment of certain revenue bond claims. The Government of the ~~developing COVID-19 crisis it was shifting its efforts~~Commonwealth of Puerto Rico and Ambac Assurance are not currently parties to ~~assisting~~the second Amended PSA.

On March 8, 2021, the Oversight Board filed with the Title III court a Second Amended Title III Joint Plan of Adjustment of the Commonwealth ("Second Amended POA") that purports to restructure approximately $35 billion of debt (including GO and PBA bonds) and other claims against the government of Puerto Rico and certain entities and $50 billion in ~~preparing~~pension obligations. The Second Amended POA includes the terms of the settlement relating to ~~face~~ the ~~crisis. As part of this shift,~~GO bonds embodied in the Second Amended PSA, dated February 22, 2021.

On April 12, 2021, the Oversight Board ~~presented~~announced that it had reached an agreement in principle with Assured and National regarding the PRHTA claims, the Convention Center District Authority ("CCDA") claims and the Commonwealth treatment of deficiency claims. In conjunction with this agreement in principle, the two monolines were granted further extensions to terminate their conditional support for the Second Amended PSA while the agreement in principle was further negotiated and documented.

In general, the Second Amended PSA provides for lower Commonwealth debt service payments per annum relative to the Plan Support Agreement signed in February 2020 (Amended PSA), extends the tenor of new recovery bonds, increases the amount of cash distributed to creditors, and provides additional consideration in the form of a ~~motion in court~~contingent value instrument ("CVI"). This CVI is intended to ~~adjourn consideration~~provide creditors with additional

returns tied to outperformance of the ~~Amended POA's disclosure hearing, originally scheduled for June~~Puerto Rico Sales and Use Tax ("SUT") against certified 2020 ~~until further notice. On May 1, 2020,~~Commonwealth Fiscal Plan projections. More specifically, fixed consideration as part of the ~~Oversight Board filed a status report before the court indicating that it was not yet prepared to propose a revised timeline for hearings related to the~~Second Amended POA orincludes a combination of cash, new GO current interest bonds as well as new GO capital appreciation bonds. Recovery derived from fixed consideration is estimated to vary between approximately 67% and 77% (as of petition date) for GO creditors, and between approximately 75% and 80% (as of petition date) for PBA creditors.

Under the ~~disclosure statement related thereto. The Oversight Board is scheduled to file a status report on July 15, 2020, at which time the Oversight Board has indicated it will propose a timeline~~May 5, 2021, PRHTA/CCDA PSA, consideration for revenue bond creditors such ~~hearings.~~

In a radio interview on March 24, 2020, Oversight Board Chairman Jose Carrion stated that the COVID-19 pandemic has had a material impact on Commonwealth finances and that the Oversight Board is reviewing the Commonwealth Plan of Adjustment, including the size of the proposed reduction in Commonwealth debt and proposed cuts to pensions. Carrion went on to say he does not see the Commonwealth Plan of Adjustment moving forward as ~~currently structured. It is unclear at this time how much timelines for the POA process may shift as a result of the COVID-19 crisis.~~

The Amended POA, as is, disproportionately disadvantages claims against the Commonwealth related to certain revenue bonds issued by Puerto Rico instrumentalities, including those insured by Ambac Assurance. The Amended POA provides for estimated recovery of 3.9% on claims against the Commonwealth related to PRHTA, ~~bonds,~~CCDA, or Puerto Rico Infrastructure Financing Authority ~~(PRIFA)~~("PRIFA") Special Tax Revenue ~~(Rum Tax)~~("Rum Tax") bonds, ~~and Puerto Rico Convention Center District Authority (PRCCDA) bonds. It is unknown if and how~~on account of their deficiency claims ("Clawback claims") against the ~~Amended POA may be modified or what the final adjustments will be~~Commonwealth, consists of CVI tied to the ~~revenues~~outperformance of the SUT against the certified 2020 Commonwealth Fiscal Plan projections. For years one through 30, a portion of the CVI consideration to be made available to the ~~Puerto Rico instrumentalities addressed~~revenue bond creditors reflects a 40% share of cumulative outperformance, starting July 1, 2021, subject to a combined 95% outperformance limit with the subsequently mentioned amounts subject to a waterfall. The other portion of the CVI consideration receives, on an annual basis, the lesser of (i) 50% of cumulative outperformance, less payments previously made, and (ii) 75% of annual outperformance, subject to a waterfall with the GO creditors receiving the first $100 of annual payments in years one through 22 and the Clawback creditors receiving the next $11.1 and any amount thereafter split pro rata with 90% going to GO creditors and 10% going to Clawback creditors. For years 23 through 30, subject to the limits in (i) and (ii) above, 100% of the outperformance goes to the Clawback creditors. Overall, CVI recoveries are subject to a lifetime cap of 75% of deficiency amounts. The value of the Clawback CVI is highly uncertain given the contingent, outperformance-driven structure of the instrument coupled with the likely back-ended potential cash flows (years 23 through 30). Changes in our assumed values of the Clawback CVI will cause a change in our reserves.

In addition, under the PRHTA/CCDA PSA, the PRHTA creditors would receive 'hard currency' in the form of new PRHTA bonds totaling $1,245 with maturities of up to 40 years and an average interest rate of 5.0%. Of the $1,245 in new bonds, approximately $646.4 would be allocated to holders of PRHTA '68 bonds and approximately $598.6 would be allocated to holders of PRHTA '98 bonds. PRHTA creditors would also share $389 of cash proceeds, including a $264 interim distribution, payable at the effective date of the Commonwealth plan of adjustment, and $125 of restriction fees and consummation costs, payable at the effective date of the PRHTA plan. Of the $264 interim cash distribution, $184.8 would be allocated to holders of PRHTA ’68 bonds and $79.2 would be allocated to holders of PRHTA ’98 bonds. Claim recovery expectations for PRHTA creditors under the PRHTA/CCDA PSA are uncertain and subject to interpretation due to the current lack of clarity related to the aforementioned uncertainty related to the value of the Clawback CVI.

Under the May 5, 2021 PRHTA/CCDA PSA, CCDA creditors would also receive $112 of cash, inclusive of up to $15 related to restriction fees and consummation costs payable at the effective

| Ambac Financial Group, Inc. 472021 First Quarter FORM 10-Q |

date of the Commonwealth plan of adjustment. PRIFA was not part of the May 5, 2021 PRHTA/CCDA PSA and, consequently, there are no additional recoveries provided for in the agreement in principle or Second Amended POA orfor PRIFA beyond the ~~recoveries on claims against~~proposed treatment of deficiency claims.

While we expect the ~~Commonwealth by creditors of those instrumentalities, including Ambac and Ambac-insured bondholders.~~Second Amended POA to be modified to reflect the settlements agreed in the PRHTA/CCDA PSA, it is unclear if the Second Amended POA will be otherwise modified further. However, if the Second Amended POA were confirmed in its current form, Ambac's financial condition would suffer a material negative impact. Refer to Note 6. Financial Guarantee Insurance Contracts to the Unaudited Consolidated Financial

~~| Ambac Financial Group, Inc.~~ 49~~2020 First Quarter FORM 10-Q~~ |

Statements included in Part I, Item 1 in this Form 10-Q for the possible increase in loss reserves under stress or other adverse conditions, including the impact of the Second Amended POA. There can be no assurance that losses may not exceed such estimates.

Ambac Title III Litigation Update

AAC is party to a number of litigations related to its Puerto Rico exposures, and actively participates in the Commonwealth’s Title III proceedings before the United States District Court for the District of Puerto Rico.

On January 16, 2020, AAC, together with other monoline insurers, filed motions which sought to lift the automatic stay and allow Ambac and others to enforce their rights related to PRHTA, CCDA and PRIFA in an alternative forum. Through orders issued on July 2 and September 9, 2020, Judge Swain largely denied the motions, while holding in abeyance further proceedings in the CCDA motion relating to a particular account over which it is undisputed the monolines have a lien. AAC and the other movants appealed the PRHTA and PRIFA decisions. On March 3, 2021, the First Circuit affirmed the District Court’s opinions denying the motions to lift the stay with respect to bonds issued by HTA and bonds issued by PRIFA on procedural grounds, leaving the question of whether the monolines have a lien with respect to such bonds to be resolved in the pending summary judgment proceedings before the District Court.

On January 16, 2020 the Oversight Board filed four adversary proceeding complaints against AAC, and other monoline insurers, seeking to disallow their proofs of claim against the Commonwealth as they relate to HTA, CCDA, and PRIFA bonds. On April 28, 2020, the Oversight Board filed partial motions for summary judgment. Briefing has concluded on those motions for summary judgment and oral argument was held on September 23, 2020. On January 20, 2021, the District Court granted defendants’ request for deferral of the adjudication of the summary judgment motion until defendants have the opportunity to conduct certain discovery. Discovery is ongoing.

AAC, along with other monoline insurers, filed a motion seeking appointment as trustees under Section 926 of the Bankruptcy Code to pursue certain avoidance actions on behalf of HTA against the Commonwealth of Puerto Rico. The motion attached a proposed complaint detailing the avoidance claims that movants would pursue. On August 11, 2020 the Court denied the motion and AAC and the other movants have appealed that denial. Movants' opening brief before the First Circuit was filed on

February 17, 2021; briefing is expected to conclude on May 24, 2021.

If AAC is unsuccessful in any of these proceedings, Ambac’s financial condition, including liquidity, loss reserves and capital resources may suffer a material negative impact.

Refer to "Financial Guarantees in Force" in Part II, Item 7 “Management’s Discussion and Analysis of Financial Condition and Results of Operations” included in Ambac’s Annual Report on Form 10-K for the year ended December 31, 2020 and Note 12. Commitments and Contingencies to the Consolidated Financial Statements, included in Part I, Item 1 of this Form 10-Q for further information about Ambac's litigation relating to Puerto Rico.

Mediation

The status, timing and subject of any ~~subsequent~~past or future mediation discussion has not yet been publicly disclosed. The timeline for resolution of Puerto Rico's debt restructuring process is uncertain.

The Oversight Board disclosed, in a status report filed with the Title III court in September 2020, that it has resumed formal discussions with creditors with the guidance of the mediation team led by Judge Houser. Prior to the talks with creditors, the Oversight Board held discussions with AAFAF concerning the terms of a Commonwealth Plan of Adjustment and what, if any, modifications or amendments needed to be proposed.

On February 10, 2021, the Oversight Board disclosed that mediation resulted in an agreement in principle with certain GO and PBA bondholders. The Second Amended PSA was publicly disclosed on February 23, 2021.

On April 12, 2021, the Oversight board disclosed that mediation resulted in an agreement in principle with Assured and National regarding the PRHTA claims, the CCDA claims and the Commonwealth treatment of deficiency claims. On May 5, 2021, the Oversight Board published the PRHTA/CCDA PSA finalizing this agreement in principle.

No assurances can be given that debt restructuring negotiations will be successfully concluded, that the Commonwealth, Oversight Board and creditor parties will reach definitive agreements on debt restructurings, that any additional negotiated transaction, debt restructuring, definitive agreement or Plan of Adjustment will be approved by the court and completed, or that any transaction or Plan of Adjustment will not have ana materially adverse impact on Ambac's financial ~~conditions~~condition or ~~results.~~results of operations.

Federal Aid

The Commonwealth of Puerto Rico is projected to benefit from over $48 billion of federal disaster aid for infrastructure improvement initiatives or recovery efforts, as a result of the damage cause by hurricanes Irma and Maria as well as the earthquakes that began in late December 2019. To date, only about $15 billion has been disbursed. More than $20 billion of Community Development Block Grants (CDBG) was appropriated by Congress for Puerto Rico for reconstruction following Hurricane Maria, but very little has yet been drawn down. The Department of Housing and Urban Development (HUD), which administers the CDBG program, has approved release of a second tranche of CDBG funds totaling $8.2 billion, which brings the total amount available for drawdown to nearly $10 billion (an additional roughly $10 billion has not yet been approved by HUD for release).

In order to ensure federal taxpayer dollars are spent effectively and efficiently, HUD has conditioned release of the $8.2 billion on various requirements that Puerto Rico must meet. Governor Wanda Vasquez has agreed to these requirements, which includes a prohibition on any of the funds from being used to rebuild the electric grid until (and unless) HUD publishes additional requirements on such spending; overturns an executive order establishing a $15 minimum wage for government construction projects using CDBG; requires greater Puerto Rico to provide greater transparency and implement enhanced financial controls; and requires CDFBG spending plans to be submitted to the Oversight Board for determination that they are in accordance with its certified budgets and fiscal plans. Consequently, it is anticipated that drawdown of funds will begin soon. HUD has also appointed a federal monitor to oversee use of CDBG funds.

The Oversight Board states, on their COVID-19 webpage, that Puerto Rico residents, businesses, and government appear to be eligible for approximately $10 billion in federal aid under the CARES Act. On April 22, 2020, the Government of Puerto Rico announced that they had received $2.2 billion in direct aid provided by the CARES Act for the territories, for necessary COVID-19 related expenditures and costs not previously budgeted for. In addition, all U.S. citizens and residents (including in Puerto Rico) will receive one-time cash payments of $1,200 for single taxpayers, $2,400 for married filers and $500 for each child, with payments gradually phasing out for individuals who earn between $75,000 and $99,000 per year (or $150,000 and $198,000 for married filers).

The Government of Puerto Rico's initial estimate is that eligible residents of Puerto Rico will receive a total aggregate amount of $1.5 billion. Separately, Commonwealth small businesses have received an estimated $757 million in loans under the first portion of the Payroll Protection Fund (PPP) under the CARES Act. Puerto Ricans who are unemployed will also benefit from federal funding in the CARES Act that increases unemployment insurance benefits significantly for several months.

The full extent of federal government support to Puerto Rico is ~~still uncertain as existing federal stimulus has not been fully implemented and additional measures are likely~~estimated to be ~~enacted.~~ $120 billion per the April 23, 2021, certified Commonwealth Fiscal Plan and stretch from FY 2018 to FY 2035. The federal government support includes FEMA, HUD and other disaster relief funds stemming from the 2017 hurricanes and 2019-2020 earthquakes and includes about $43 billion of support related to the COVID-19 pandemic, including funding form the recently enacted ARPA.

While the previously allocated federal disaster relief funds ~~Medicaid money,~~ and the more recent COVID-19 crisis related funds are all expected to support economic recovery and growth and in Puerto Rico, there

| Ambac Financial Group, Inc. 482021 First Quarter FORM 10-Q |

can be no assurances as to the certainty, timing, usage, efficacy or magnitude of benefits to creditor outcomes related to disaster aid and ensuing economic growth, if any.

Summary

Ambac has considered these developments and other factors in evaluating its Puerto Rico loss reserves. During the ~~quarter~~three months ended March 31, ~~2020,~~2021, Ambac had incurred losses associated with its Domestic Public Finance insured portfolio of ~~$178 million,~~$9, which was impacted by ~~lower discount rates as well as~~ the continued uncertainty and volatility of the situation in Puerto Rico, including the potential impact of the ~~COVID-19 crisis on the Commonwealth~~Second Amended PSA and the ~~developing potential impact of the COVID-19 crisis on other sectors in the Domestic Public Finance insured portfolio.~~PRHTA/CCDA PSA. While management believes its reserves are adequate to cover losses in its Public Finance insured portfolio, there can be no assurance that Ambac may not incur additional losses in the future, particularly given the developing economic, political, and legal circumstances in Puerto Rico and the overall uncertain impact of the COVID-19 crisis on the Commonwealth and the Domestic Public Finance Insured Portfolio in general. Such additional losses may have a material adverse effect on Ambac’s results of operations and financial condition.

Exposure Currency

The table below shows the distribution by currency of ~~Ambac Assurance’s~~AAC’s insured exposure as of March 31, ~~2020:~~2021:

Currency
(Amounts in millions)

Net Par Amount
Outstanding in
Base Currency

Net Par Amount
Outstanding in
U.S. Dollars
U.S. Dollars $ 24,621
$ 24,621
British Pounds £ 7,665
9,530
Euros € 1,543
1,700
Australian Dollars A$ 545
335
Total $ 36,186


Currency	Net Par Amount Outstanding in Base Currency		Net Par Amount Outstanding in U.S. Dollars
U.S. Dollars	$	20,259	$	20,259
British Pounds	£	6,584	9,072
Euros	€	1,451	1,702
Australian Dollars	A$	545	414

Total			$	31,447

~~| Ambac Financial Group, Inc.~~ 50~~2020 First Quarter FORM 10-Q~~ |

Ratings Distribution

The following charts provide a rating distribution of net par outstanding based upon internal Ambac credit ratings⁽¹⁾ and a distribution by bond type of Ambac's below investment grade ("BIG") net par exposures at March 31, ~~2020~~2021 and December 31, ~~2019.~~2020. BIG is defined as those exposures with an Ambac internal credit rating below BBB-:

Note: AAA is less than 1% in both periods.

~~(1)~~

(1)Internal credit ratings are provided solely to indicate the underlying credit quality of guaranteed obligations based on the view of Ambac. In cases where Ambac has insured multiple tranches of an issue with varying internal ratings, or more than one obligation of an issuer with varying internal ratings, a weighted average rating is used. Ambac credit ratings are subject to revision at any time and do not constitute investment advice.

Net Par Outstanding
Summary of Below Investment
Grade Exposure ($ in millions)
March 31,
2020 December 31,
2019
Public Finance:
Lease and tax-backed ⁽¹⁾
$ 1,236
$ 1,109
General obligation ⁽¹⁾
354
525
Housing ⁽²⁾
310
311
Transportation 27
27
Other 42
42
Total Public Finance 1,969
2,014
Structured Finance:
RMBS 3,204
3,362
Student loans 592
620
Other 21
33
Total Structured Finance 3,817
4,015
International Finance:
Other 1,477
1,455
Total International Finance 1,477
1,455
Total $ 7,263
$ 7,484

| Ambac Financial Group, Inc. 49 2021 First Quarter FORM 10-Q |

~~(1)~~

Lease and tax-backed revenue includes $996 and $1,014 of Puerto Rico net par at March 31, 2020 and December 31, 2019, respectively. General obligation includes $109 and $109 of Puerto Rico net par at March 31, 2020 and December 31, 2019, respectively. Components of Puerto Rico net par outstanding includes capital appreciation bonds which are reported at the par amount at the time of issuance of the related insurance policy as opposed to the current accreted value of the bonds.


~~(2)~~	~~Relates to military housing net par.~~


	Net Par Outstanding
Summary of Below Investment Grade Exposure	March 31, 2021		December 31, 2020
Public Finance:
Lease and tax-backed (1)	$	1,181	$	1,194
General obligation (1)	322		325
Housing (2)	493		308
Stadium	—		540
Transportation	29		30

Other	38		38
Total Public Finance	2,063		2,435
Structured Finance:
RMBS	2,657		2,800

Student loans	484		512

Total Structured Finance	3,141		3,312
International Finance:
Other	1,507		1,574
Total International Finance	1,507		1,574
Total	$	6,711	$	7,321

(1)Lease and tax-backed revenue includes $965 and $969 of Puerto Rico net par at March 31, 2021 and December 31, 2020, respectively. General obligation includes $101 and $101 of Puerto Rico net par at March 31, 2021 and December 31, 2020, respectively. Components of Puerto Rico net par outstanding includes capital appreciation bonds which are reported at the par amount at the time of issuance of the related insurance policy as opposed to the current accreted value of the bonds.

(2)Relates to military housing net par.

The ~~decrease~~net decline in below investment grade exposures is primarily due to the ~~commutation~~de-risking of certain general obligation exposures and the impact of foreign exchange rates resulting from the strengthening of the US Dollar, partially offset by the addition of certain lease and tax-baked exposures and an ~~international structured finance exposure driven by the COVID-19 pandemic. Despite the decrease in below~~adversely classified stadium transaction.

Below investment grade ~~exposures, such~~ exposures could increase as a relative proportion of the guarantee portfolio given that stressed borrowers generally have less ability to prepay or refinance their debt. Accordingly, due to these and other factors, it is not unreasonable to expect the proportion of below investment grade exposure in the guarantee portfolio to continue to increase in the future.

~~RESULTS OF OPERATIONS~~

Net loss attributable to common stockholders for the three months ended March 31, 2020, was $280 million compared to a net loss attributable to common stockholders of $43 million for the three months ended March 31, 2019. The decrease was primarily driven by: (i) net losses on investments, (ii) larger net losses on derivative contracts, (iii) lower net premiums earned, (iv) lower income on variable interest entities and (v) higher loss and loss expenses, partially offset by lower insurance intangible amortization.

Results of Operations
($ in millions)

~~| Ambac Financial Group, Inc.~~ 51~~2020 First Quarter FORM 10-Q~~ |

A summary of our financial results is shown below:


	Three Months Ended March 31,
($ in millions)	2020			2019
Three Months Ended March 31,							Three Months Ended March 31,	2021		2020
Revenues:							Revenues:
Net premiums earned	$	10		$	28		Net premiums earned	$	14	$	10
Net investment income (loss)	(21		)	55
Net investment income							Net investment income	49		(21)

Net realized investment gains (losses)	8			17			Net realized investment gains (losses)	2		8

Net gains (losses) on derivative contracts	(70		)	(16		)	Net gains (losses) on derivative contracts	25		(70)
Net realized gains (losses) on extinguishment of debt							Net realized gains (losses) on extinguishment of debt	33		—
Other income (expense)							Other income (expense)	5		—
Income (loss) on variable interest entities	3			16			Income (loss) on variable interest entities	—		3
Expenses:							Expenses:
Losses and loss expenses (benefit)	117			12			Losses and loss expenses (benefit)	8		117
Insurance intangible amortization	13			36			Insurance intangible amortization	19		13
Operating expenses	24			25			Operating expenses	33		24
Interest expense	63			68			Interest expense	50		63

Provision for income taxes	(7		)	2			Provision for income taxes	2		(7)

Net income (loss) attributable to common stockholders	$	(280	)	$	(43	)	Net income (loss) attributable to common stockholders	$	17	$	(280)

Ambac's results of operations and financial position have been adversely impacted by the COVID-19 pandemic's effect on the global economy and financial markets. Significant interest rate declines during the first quarter of 2020 ~~drove~~contributed materially to a net increase toin loss reserves and losses on interest rate derivative contracts. Credit driven losses were also recognized in ~~both loss~~the three months ended March 31, 2020, within losses incurred (primarily from public finance insurance policies) and losses infrom counterparty credit adjustments on derivative asset valuations. Financial market disruptions ~~are~~were reflected through lower valuations of certain fixed ~~income~~maturity securities (recorded through other comprehensive income) and the majority of other investments (recorded through net investment ~~income (loss))~~income). During the remaining quarters of 2020 and into 2021, credit spreads recovered (favorably impacting counterparty credit adjustments on derivative assets and valuations of investment securities). The scope, duration and magnitude of the direct and indirect effects of COVID-19 are evolving ~~rapidly and~~ in ways that are difficult or impossible to anticipate. As a result, it is possible that Ambac's results of operations and financial condition may be further adversely affected by the evolving affects of the COVID-19 pandemic. For additional information on the risks posed by COVID-19, refer to “Part II, Item 1A-Risk Factors” in this Quarterly Report on Form 10-Q.

During 2019, Ambac executed on a number of restructuring / commutation transactions that had significant impacts to the consolidated results of operations. As described further below, the completion of the these transactions, including the related changes to invested assets, loss reserves and debt of the Company, had a significant impact on the comparability of the results of operation for the three months ended March 31, 2020 and 2019. The most significant transactions, which are more fully discussed in "Financial Guarantees in Force" in Part II, Item 7 “Management’s Discussion and Analysis of Financial Condition and Results of Operations” included in Ambac’s Annual Report on Form 10-K for the year ended December 31, 2019 were:

~~Puerto Rico COFINA Plan of Adjustment ("POA").~~On February 12, 2019, the POA, including certain related commutation transactions, and subsequent distributions, became effective, resulting in a significant reduction of Ambac Assurance's insured net par exposure to COFINA. Pursuant to the COFINA POA, approximately 75% of holders of Ambac Assurance-insured senior COFINA bonds (including Ambac) elected to commute their insurance policy.

~~Ballantyne Re plc ("Ballantyne") Restructuring.~~ On April 25, 2019, Ballantyne commenced, under Irish law, a restructuring transaction ("Restructuring") in respect of its obligations, including obligations that were guaranteed by Ambac UK. The arrangement was approved on June 17, 2019. With the successful implementation of the Restructuring, Ambac UK has ceased to have any exposure with respect to the obligations of Ballantyne.

The following paragraphs describe the consolidated results of operations of Ambac and its subsidiaries for the three months ended March 31, ~~2020~~2021 and ~~2019,~~2020, respectively.

Net Premiums Earned. Net premiums earned primarily represent the amortization into income of insurance premiums. We present accelerated premiums, which result from calls and other accelerations of insured obligations separate from normal net premiums earned. When an insured bond has been retired, any remaining unearned premium revenue ("UPR") is recognized at that time to the extent the financial guarantee contract is legally extinguished, causing accelerated premium revenue. For installment premium paying transactions, we offset the

| Ambac Financial Group, Inc. 502021 First Quarter FORM 10-Q |

recognition of any remaining UPR by the reduction of the related premium receivable to zero (as it will not be collected as a result of the retirement), which may cause negative accelerated premium revenue.

Net premiums earned ~~decreased $18 million~~increased $4 for the three months ended March 31, ~~2020,~~2021, compared to the same ~~period~~periods in the prior year. Normal net premiums earned and accelerated premiums are reconciled to total net premiums earned in the table below. The following table provides a breakdown of normal premiums earned by market:



Three Months Ended March 31,	2021		2020
Normal premiums earned
Public finance	$	5	$	5
Structured finance	3		1
International finance	7		4
Total normal premiums earned	15		10




Accelerated earnings	—		—
Total net premiums earned	$	14	$	10

Three Months Ended March 31,
($ in millions) 2020 2019
Normal premiums earned
Public finance $ 5
$ 8
Structured finance 1
3
International finance 4
5
Total normal premiums earned 10
16
Accelerated earnings —
12
Total net premiums earned $ 10
$ 28

The ~~decrease~~increase in normal premiums earned infor the three months ended March 31, ~~2020,~~2021, is primarily ~~attributable~~due to ~~(i)~~changes in allowances for credit losses on premium receivables, partially offset by the continued runoff of the insured portfolio in all ~~markets and (ii) changes to allowance for credit losses on premiums receivables.~~markets. Ambac adopted ASU 2016-13, Measurement of Credit Losses on Financial Instruments ("CECL"), on January 1, 2020, and ~~will assess~~assesses the allowance for credit losses on premium receivables on a quarterly basis. ~~Prior to adoption of ASU 2016-13, Ambac assessed collectability of premium receivables in accordance with ASC 944 and recorded an allowance for uncollectible premiums.~~ The three months ended March 31, ~~2020,~~2021, includes ~~an increase~~a decrease in the allowance for credit losses ~~since adoption~~ of ~~CECL of $2 million~~$4 as ~~compared~~compared to an increase of ~~less than $1 million~~$2 for the three months ended March 31, ~~2019.~~2020. Terminations and accelerations, including those which occurred in prior periods, result in lower normal premiums earned in current and future periods. ~~First quarter 2020~~ Public Finance

~~| Ambac Financial Group, Inc.~~ 52~~2020 First Quarter FORM 10-Q~~ |

normal earned premiums ~~were also impacted by large reinsurance cessions in the second half of 2019.~~

~~The decrease in accelerated earnings in~~for the three months ended March 31, ~~2020, as compared to~~2021, were also impacted by reinsurance cessions in the ~~three months ended March 31, 2019, is primarily related to the COFINA restructuring that occurred in February 2019.~~first quarter of 2021.

Net Investment ~~Income (Loss).~~Income. Net investment income ~~(loss)~~ primarily consists of interest and net discount accretion on fixed ~~income~~maturity securities classified as available-for-sale and net gains (losses) on pooled investment funds which include changes in fair value of the funds' net assets. Fixed ~~income~~maturity securities include investments in Ambac-insured securities that are made opportunistically based on their risk/reward and asset-liability management characteristics. As described further below, investment income from holdings of Ambac-insured securities (including Secured Notes issued by Ambac LSNI, LLC) for the periods presented have primarily been affected by restructuring transactions involving Puerto Rico and Ballantyne bonds. Investments in pooled investment funds and certain other investments are either classified as trading securities with changes in fair value recognized in earnings or are reported under the equity method. These funds and other investments are reported in Other investments on the Unaudited Consolidated Balance Sheets, ~~and consist~~which consists primarily of pooled fund investments in diversified asset classes. For further information about investment funds held, refer to Note 8. Investments to the Unaudited Consolidated Financial Statements, included in Part I, Item 1 in this Form 10-Q.

Net investment income ~~(loss)~~ from Ambac-insured securities; available-for-sale and short-term securities, other than Ambac-insured; and Other investments is summarized in the table below:


	Three Months Ended March 31,
($ in millions)	2020			2019
Three Months Ended March 31,						Three Months Ended March 31,	2021		2020
Securities available-for-sale: Ambac-insured (including Secured Notes)	$	16		$	29	Securities available-for-sale: Ambac-insured (including Secured Notes)	$	15	$	16
Securities available-for-sale and short-term other than Ambac-insured	15			18		Securities available-for-sale and short-term other than Ambac-insured	7		15
Other investments (includes trading securities)	(52		)	8		Other investments (includes trading securities)	27		(52)
Net investment (loss) income	$	(21	)	$	55
Net investment income						Net investment income	$	49	$	(21)

Net investment ~~(loss)~~ income ~~was $(21) million~~increased $70 for the three months ended March 31, ~~2020, a decrease of $76 million~~2021, respectively, compared to the ~~three months ended March 31, 2019. The decrease was~~same periods in the prior year. As described further below, the variances were primarily driven by ~~unrealized losses on~~pricing volatility within fund investments resulting from the impact of the COVID-19 pandemic on financial markets ~~a smaller allocation to higher yielding~~and re-allocation of the investment portfolio during 2020 toward pooled funds and Ambac-insured bonds from investment grade corporate bonds, commercial mortgage backed securities and ~~a lower overall invested asset base.~~certain CLOs.

•Other investments income (loss) increased $79 for the three months ended March 31, 2021, compared to the same period in the prior year, reflecting strong performance for the three months ended March 31, 2021, particularly in hedge funds and equity funds. Losses on Other investments ~~reported~~ for the three months ended March 31, 2020, were in hedge and other fund investments focusing on asset-backed securities, equities, high-yield, leveraged loans and private credit. These losses were primarily driven by adverse changes in fair values, ~~as opposed to~~rather than realized losses, stemming from an increase in risk premiums ~~(including~~(particularly credit spreads) as a consequence of the initial economic and financial market impact of the COVID-19 pandemic. ~~These investment funds have begun to recover in value during the second quarter of 2020. Ambac currently views these unrealized losses as temporary~~

~~subject to any subsequent decisions to monetize certain investments in connection with changes in investment strategy, market conditions, and/or other circumstances. Other investment income~~•Income from Ambac-insured securities was lower for the three months ended March 31, ~~2019, was driven by gains on equity, high-yield and loan funds, partially offset by losses on an insurance-linked security fund.~~

~~Income from Ambac-insured securities was lower~~2021, as compared to the three months ended March 31, 2020, due to the effects ~~of 2019 de-risking transactions and~~ ongoing redemptions of Secured Notes issued by Ambac LSNI, ~~LLC. Ambac's holdings of insured COFINA~~LLC and Ballantyne bonds were settled in connection with the February 2019 COFINA commutation and June 2019 Ballantyne Restructuring, respectively, accounting for the majority of the decrease in income from Ambac-insured securities. Additionally, income from Secured Notes is down as a result of early redemptions as well as lower LIBOR indexed coupon rates, ~~effective~~partially offset by a higher allocation to Ambac-insured RMBS and Puerto Rico bonds.

•Net investment income from available-for-sales securities other than Ambac-insured securities decreased as a result of a lower asset base and average yield for this portion of the portfolio. The lower asset base resulted primarily from re-allocation of the portfolio in 2020 toward pooled funds and Ambac-insured bonds from investment grade corporate and certain asset-backed securities. Additionally, cash has been used to fund operations, early debt redemptions, and Ambac's acquisition of Xchange. Lower yields in the three months ended March 31, ~~2020 as~~2021, compared to the three months ended March 31, ~~2019.~~

~~Net investment income (loss) from available-for-sales~~2020, reflect the higher rated securities ~~other than Ambac-insured securities decreased primarily as a result of~~purchased during the ~~favorable impact~~2020 portfolio re-allocation, lower relative yields on ~~income for~~new investments and near-zero short term rates prevailing during the three months ended March 31, 2019, of high yielding uninsured COFINA bonds received under the POA. All of these uninsured COFINA bonds were sold from Ambac's non-VIE investment portfolio by December 31, 2019. Additionally, income from available-for-sale securities for the three months ended March 31, 2020, was down due to a smaller asset base and generally declining reinvestment rates since first quarter ~~2019.~~of 2021.

Net Realized Investment Gains (Losses). The following table provides a breakdown of net realized gains (losses) for the periods presented:

Three Months Ended March 31,
($ in millions) 2020 2019
Net gains (losses) on securities sold or called $ 6
$ 20
Net foreign exchange gains (losses) 2
(3 )
Credit impairments —
—
Intent / requirement to sell impairments —
—
Total net realized gains (losses) $ 8
$ 17

| Ambac Financial Group, Inc. 512021 First Quarter FORM 10-Q |


Three Months Ended March 31,	2021		2020
Net gains (losses) on securities sold or called	$	6	$	6
Net foreign exchange gains (losses)	(4)		2
Credit impairments	—		—
Intent / requirement to sell impairments	—		—
Total net realized gains (losses)	$	2	$	8

Net realized gains on securities sold or called for the three months ended March 31, ~~2020, are~~2021, included a gain of $4 realized on the sale AFG's equity interest in the Corolla Trust in connection with the Corolla Exchange Transaction. Other net realized gains on securities sold or called during both periods were primarily from sales in connection with routine portfolio management. Net realized gains on securities sold or called for the three months ended March 31, 2019, included $19 million of net gains related to the impact of the COFINA Plan of Adjustment and sales of Ambac-insured Puerto Rico COFINA bonds and new uninsured COFINA bonds received in the commutation.

Impairments are reported through earnings if management intends to sell securities or it is more likely than not that the Company will be required to sell before recovery of amortized cost. Credit impairments are recorded in earnings only to the extent management does not intend to sell, and it is not more likely than not that the Company will be required to sell the securities, before recovery of their amortized cost. When credit impairments are recorded, any non-credit related impairment amounts on the securities are recorded in other comprehensive income.

~~| Ambac Financial Group, Inc.~~ 53~~2020 First Quarter FORM 10-Q~~ |

~~Intent / requirement to sell impairments for the three month periods ended March 31, 2020, and 2019, related solely to management's intent to sell securities.~~

Net Gains (Losses) on Derivative Contracts. Net gains (losses) on derivative contracts include results from the Company's interest rate derivatives portfolio and its runoff credit derivatives portfolio. The interest rate derivatives portfolio is positioned to benefit from rising rates as a partial economic hedge against interest rate exposure in the financial guarantee and investment portfolios. ~~As forward rates and interest rate exposures elsewhere in the company have declined over the course of 2019 into the first quarter 2020, the economic hedge position has been reduced.~~ Net gains (losses) on interest rate derivatives generally reflect mark-to-market gains (losses) in the portfolio caused by increases (declines) in forward interest rates during the periods, the carrying cost of the portfolio, and the impact of counterparty credit adjustments as discussed below. Results from credit derivatives were not significant to the periods presented.

Net gains (losses) on interest rate derivatives for the three months ended March 31, ~~2020,~~2021, were ~~($68) million,~~$25 compared to ($~~17) million~~68) for the three months ended March 31, ~~2019.~~2020. The net gain for the three months ended March 31, 2021, reflects changes in fair value from rising forward interest rates and lower counterparty credit adjustments on certain derivative assets. The net loss for the three months ended March 31, 2020, reflects significant declines in forward interest rates, triggered by the COVID-19 pandemic, and losses from the application of counterparty credit adjustments, described further below. The net losses for three months ended March 31, 2019, were driven by the impact of declines in forward interest rates during the period. Net carrying costs were not significant to the periods presented.

Counterparty credit adjustments are generally applicable for uncollateralized derivative assets that may not be offset by derivative liabilities under a master netting agreement. Inclusion of counterparty credit adjustments in the valuation of interest rate derivatives resulted in gains (losses) within Net gains (losses) on derivative contracts of ~~$(30) million~~$9 for the three months ended March 31, ~~2020,~~2021, and ~~$(1) million~~$(30) for the three months ended March 31, ~~2019. The~~2020. In addition to the impact of interest rates on the underlying derivative asset values, the changes in counterparty credit adjustments were driven by narrowing credit spreads in the three months ended March 31, 2021, compared to spread widening experienced in the first quarter of 2020 associated with the market disruption from the COVID-19 pandemic.

Other income (expense). Other income (expense) includes commission revenues of Xchange, various financial guarantee fees and foreign exchange gains/(losses) unrelated to investments or loss reserves. For the three months ended March 31, 2021, other income includes Xchange revenues of $7.

Net Realized Gains on Extinguishment of Debt. Net realized gains on extinguishment of debt was $33 for the three months ended March 31, ~~2020, was driven by wider credit spreads, including~~2021, resulting from the ~~effect~~exchanges of ~~a credit rating downgrade~~junior surplus notes below their carrying values. Refer to Note 1. Background and Business Description for further discussion of ~~a derivative counterparty by Ambac during~~ the ~~quarter, simultaneous with an increase in the underlying asset value as interest rates declined.~~2021 Surplus Notes Exchanges.

Income ~~(loss)~~(Loss) on Variable Interest Entities. Included within Income (loss) on variable interest entities are income statement amounts relating to VIEs, consolidated under the Consolidation Topic of the ASC as a result of Ambac's variable interest arising from financial guarantees written by Ambac's subsidiaries, including gains or losses attributable to consolidating or deconsolidating VIEs during the periods reported. Generally, the Company’s consolidated VIEs are entities for which Ambac has provided financial guarantees on all of or a portion of its assets or liabilities. In consolidation, assets and liabilities of the VIEs are initially reported at fair value and the related insurance assets and liabilities are eliminated. However, the amount of VIE net assets (liabilities) that remain in consolidation generally result from the net positive (negative) projected cash flows from (to) the VIEs which are attributable to Ambac’s insurance subsidiaries in the form of financial guarantee insurance premiums, fees and losses. In the case of VIEs with net negative projected cash flows, the net liability is generally to be funded by Ambac’s insurance subsidiaries through insurance claim payments. Differences

between the net carrying value of the insurance accounts under the Financial Services—Insurance Topic of the ASC and the carrying value of the consolidated VIE’s net assets or liabilities are recorded through income at the time of ~~consolidation or deconsolidation.~~consolidation. Additionally, terminations or other changes to Ambac's financial guarantee insurance policies that impact projected cash flows between a consolidated VIE and Ambac could result in gains or losses, even if such policy changes do not result in deconsolidation of the VIE.

Income (loss) on variable interest entities was income of less than a million and income of $3 ~~million~~ for the three months ended March 31, 2021 and 2020, ~~compared to income of $16 million~~respectively. Results for the three months ended March 31, ~~2019.~~2021, included realized gains of $1 on sales of assets from one VIE (the COFINA Trust) partially offset by the lower valuation of net assets on a VIE impacted by credit downgrades. Results for the three months ended March 31, 2020, were due primarily to realized gains of $8 ~~million~~ on sales of assets from the COFINA Trust partially offset by the lower valuation of net assets on ~~another~~a VIE ~~driven~~impacted by ~~the economic uncertainty caused by~~ COVID-19. ~~Results for the three months ended March 31, 2019, were driven by the $15 million gain on consolidation of the COFINA Trust.~~

Refer to Note 3. Variable Interest Entities to the Unaudited Consolidated Financial Statements, included in Part I, Item 1 in this Form 10-Q for further information on the accounting for VIEs.

Losses and Loss Expenses. Losses and loss expenses are based upon estimates of the aggregate losses inherent in the non-derivative financial guarantee portfolio for insurance policies issued to beneficiaries, including unconsolidated VIEs.

| Ambac Financial Group, Inc. 522021 First Quarter FORM 10-Q |

Ambac records as a component of its loss reserve estimate subrogation recoveries related to securitized loans in RMBS transactions with respect to which ~~Ambac Assurance~~AAC is pursuing claims for breaches of representations and warranties. Ambac does not include potential recoveries attributed solely to fraudulent inducement claims in our litigations in our estimate of subrogation recoveries. Generally, the sponsor of an RMBS transaction provided representations and warranties with respect to the securitized loans, including representations with respect to the loan characteristics, the absence of borrower fraud in the underlying loan pools or other misconduct in the origination process and attesting to the compliance of loans with the prevailing underwriting policies. Ambac has recorded representation and warranty subrogation recoveries, net of reinsurance, of ~~approximately $1,738~~$1,722 and ~~$1,702~~$1,725 at March 31, ~~2020,~~2021, and December 31, ~~2019,~~2020, respectively. ~~The increase in these recoveries was primarily driven by lower discount rates used to discount estimated cash flows.~~ Refer to Note 2. Basis of Presentation and Significant Accounting Policies to the Consolidated Financial Statements included in Part II, Item 8 in the Company’s Annual Report on Form 10-K for the year ended December 31, ~~2019,~~2020, for more information regarding the estimation process for R&W subrogation recoveries.

~~| Ambac Financial Group, Inc.~~ 54~~2020 First Quarter FORM 10-Q~~ |

The following provides details, by bond type, for losses and loss expenses (benefit) incurred for the periods presented:


Three Months Ended March 31,	2021		2020
RMBS	$	(8)	$	(83)
Domestic Public Finance	9		178
Student Loans	—		14
Ambac UK and Other Credits	6		7



Totals (1)	$	8	$	117

Three Months Ended March 31,
($ in millions) 2020 2019
RMBS $ (83 ) $ (39 )
Domestic Public Finance 178
69
Student Loans 14
(4 )
Ambac UK and Other Credits 7
(15 )
Totals ⁽¹⁾
$ 117
$ 12
(1) Includes loss expenses incurred of $10 and $3 for the three months ended March 31, 2021 and 2020, respectively.


~~(1)~~	~~Includes loss expenses incurred (benefit) of $3 and $29 for the three months ended March 31, 2020 and 2019, respectively.~~

Losses and loss expenses (benefit) for the three months ended March 31, 2021, were driven by higher projected losses in domestic public finance from adverse development related to Puerto Rico, partially offset by the positive impact of higher discount rates. The underlying assumptions impacting our reserves for Puerto Rico during the three months ended March 31, 2021, were within the range of assumptions underlying our probability weighted reserves as of December 31, 2020.

Losses and loss expenses (benefit) for the three months ended March 31, 2020, were driven by the following:

•Higher projected losses in domestic public finance driven ~~mostly~~ by lower discount rates (primarily relating to Puerto Rico), and incurred losses related to transactions directly impacted by the economic impact from COVID-19; ~~and~~

•An increase in student loan losses as a result of lower discount rates and the impact from COVID-19; partially offset by,

•Favorable RMBS development as a result of the positive impact of lower interest rates on excess spread, reduced by the negative impact of lower discount rates and expected losses from COVID-19 related ~~delinquencies/defaults.~~delinquencies.

~~Losses and loss expenses (benefit) for the three months ended March 31, 2019, were driven by the following:~~

~~Higher projected losses in domestic public finance largely driven by additions to Puerto Rico loss reserves; partially offset by~~

Intangible Amortization

~~Favorable RMBS development as a result of credit improvement and the impact on excess spread from declines in interest rates reduced by an increase in loss expenses;~~

~~Favorable development within Ambac UK and Other Credits primarily from certain Ambac UK credits; and~~

A portion of Ambac UK's loss reserves are denominated in currencies other than their functional currency of British Pounds resulting in incurred losses (gains) when the British Pound depreciates (appreciates). Ambac recognized $6 million in foreign exchange gain for the three months ended March 31, 2019.

~~Insurance Intangible Amortization.~~Insurance intangible amortization for the three months ended March 31, ~~2020,~~2021, was ~~$13 million, a decrease~~$19 an increase of ~~$23 million~~$5 over the three months ended March 31, ~~2019,~~2020. The increase was driven primarily ~~due to accelerated~~by de-risking activity. Other intangible amortization ~~related to~~for the ~~COFINA restructuring that occurred in February 2019.~~three months ended March 31, 2021, was $1.

Operating Expenses. Operating expenses consist of gross operating expenses plus reinsurance commissions. The following table provides a summary of operating expenses for the periods presented:


	Three Months Ended March 31,
($ in millions)	2020		2019
Three Months Ended March 31,					Three Months Ended March 31,	2021		2020
Compensation	$	14	$	14	Compensation	$	16	$	14
Non-compensation	9		10		Non-compensation	17		9
Gross operating expenses	24		25		Gross operating expenses	33		24
Reinsurance commissions, net	—		—		Reinsurance commissions, net	—		—

Total operating expenses	$	24	$	25	Total operating expenses	$	33	$	24

Gross operating ~~expense~~expenses increased $9 for the three months ended March 31, ~~2020, were $24 million, a decrease of $1 million from~~2021 compared to the same period in the prior year. The increase in operating expenses during the three months ended March 31, ~~2019. Operating~~2021, as compared to the three months ended March 31, 2020, was due to the following:

•Higher compensation costs due to the inclusion of Xchange compensation costs for the first time since its acquisition, accelerated expense recognition for retirement eligible stock-based compensation awards and lower capitalization for internal software projects, partially offset by lower bonus expense recognized in the three months ended March 31, 2021.

•Higher non-compensation costs primarily due to the inclusion of Xchange's commissions to sub-producers of $4, consulting and legal fees associated with the surplus note exchange transactions and a $1 UK Value Added Tax (VAT) refund which lowered expenses ~~incurred relating to COVID-19 have been minimal~~ for the three months ended March 31, 2020.

~~The decrease in operating expenses was due to the following:~~

Lower compensation costs primarily due to lower salaries resulting from continued right sizing of staffing levels during 2019, partially offset by higher incentive compensation costs related to final performance metrics impacting settlement of 2019 annual bonuses, and


•	~~Lower non-compensation costs primarily due to a $1 million UK Value Added Tax (VAT) refund recognized in the three months ended March 31, 2020.~~

~~Legal and consulting services provided for the benefit of OCI amounted to $0.5 million and $0.5 million during the three months ended March 31, 2020 and 2019, respectively.~~

Interest Expense. Interest expense includes accrued interest on the Ambac Note, Tier 2 ~~Notes,~~notes, surplus notes and other debt obligations. Additionally, interest expense includes discount accretion when the debt instrument carrying value is at a discount to par.

The following table provides details by type of obligation for the periods presented:


Three Months Ended March 31,	2021		2020
Surplus notes (1)	$	18	$	26

Ambac note	25		31
Tier 2 notes	7		7
Other	—		—

Total interest expense	$	50	$	63

Three Months Ended March 31,
($ in millions) 2020 2019
Surplus notes ⁽¹⁾
$ 26
$ 24
Ambac note 31
38
Tier 2 notes 7
6
Other —
—
Total interest expense $ 63
$ 68


~~(1)~~	~~Includes junior surplus notes.~~

(1)Includes junior surplus notes

The decrease in interest expense for the three months ended March 31, ~~2020,~~2021, compared to the three months ended March 31, ~~2019,~~2020, was primarily driven by lower discount accretion on surplus notes, together with optional redemptions and lower rate

| Ambac Financial Group, Inc. 532021 First Quarter FORM 10-Q |

resets of the floating rate Ambac Note, partially offset by interest compounding on the surplus notes and the Tier 2 Notes. The ~~increase~~first quarter 2021 transactions resulting in the acquisition and retirement of all junior surplus notes in exchange for re-issuance of surplus notes did not significantly impact the interest expense ~~also reflects~~for the ~~impact of applying the~~

~~| Ambac Financial Group, Inc.~~ 55~~2020 First Quarter FORM 10-Q~~ |

~~level yield method on surplus notes and Tier 2 Notes as the discount~~three months ended March 31, 2021, compared to the ~~face value of the long-term debt accretes over time.~~prior year period.

Surplus note principal and interest payments require the approval of OCI. Since the issuance of the surplus notes in 2010, OCI has declined to approve regular payments of interest on surplus notes, although the OCI has permitted two exceptional payments in connection with (a) increasing the percentage of deferred policy payments of the Segregated Account of Ambac Assurance from 25% to 45% in 2014 and (b) a one-time payment of approximately six months of interest on the surplus notes (other than junior surplus notes) outstanding immediately after consummation of the Rehabilitation Exit Transactions in 2018. Ambac Assurance has not requested to pay interest on any junior surplus notes since their issuance.payments.

In ~~April 2020,~~May 2021, OCI declined the request of ~~Ambac Assurance~~AAC to pay the principal amount of the surplus notes, plus all accrued and unpaid interest thereon, on the next scheduled ~~maturity~~payment date of June 7, ~~2020.~~2021. As a result, the scheduled payment date for interest, and the scheduled maturity date for payment of principal of the surplus notes, shall be extended until OCI grants approval to make the payment. Interest will accrue, compounded on each anniversary of the original scheduled payment date or scheduled maturity date, on any unpaid principal or interest through the actual date of payment, at 5.1% per annum. Holders of surplus notes will have no rights to enforce the payment of the principal of, or interest on, surplus notes in the absence of OCI approval to pay such amount. The interest on the outstanding surplus notes and junior surplus notes were accrued for and ~~Ambac Assurance~~AAC is accruing interest on the interest amounts following each scheduled payment date. Total accrued and unpaid interest for surplus notes ~~and junior surplus notes~~ outstanding to third parties were ~~$312 million and $152 million, respectively,~~$516 at March 31, ~~2020.~~2021.

Provision for Income Taxes. The provision for income taxes for the three months ended March 31, ~~2020,~~2021, was ~~$(7) million, a decrease~~$2, an increase of $9 ~~million~~ compared to the provision for income taxes reported for three months ended March 31, ~~2019.~~2020. The change for the three months ended March 31, ~~2020,~~2021, as compared to the ~~prior year~~three months ended March 31, 2020, was primarily driven by state income tax related to the gains on the surplus note exchanges, whereas 2020 was attributable to Ambac UK, which had a taxable loss, related to investment losses on pooled ~~funds, in 2020 as compared to taxable income in 2019.~~funds.

LIQUIDITY AND CAPITAL RESOURCES
($ in millions)

Ambac Financial Group, Inc. ("AFG") Liquidity. AFG's liquidity is primarily dependent on its cash, investments (excluding equity investments in subsidiaries), and net receivables totaling ~~$482 million~~$274 as of March 31, ~~2020,~~2021, and secondarily on ~~its~~dividends and expense sharing ~~and other arrangements~~payments from its subsidiaries.

•During the three months ended March 31, 2021, AFG further capitalized the Everspan Group with ~~Ambac Assurance.~~a cash contribution to Everspan Indemnity Insurance Company of approximately $82.

Pursuant to the amended and restated tax sharing agreement among AFG, Ambac Assurance and certain affiliates (the "Amended TSA"), Ambac Assurance is required to make payments ("tolling payments") to AFG with respect to the utilization of net operating loss carry-forwards (“NOLs”). AFG has accrued $28 million of tolling payments based on NOLs used by Ambac Assurance in 2017. In May 2018, AFG executed a waiver under the intercompany tax sharing agreement pursuant to which Ambac Assurance was relieved of the requirement to make this payment by June 1, 2018. AFG also agreed to defer the tolling payment for the use of

~~net operating losses by Ambac Assurance in 2017 until such time as OCI consents to the payment.~~

•Under an inter-company cost allocation agreement, AFG is reimbursed by ~~Ambac Assurance~~AAC for a portion of certain operating costs and expenses and, if approved by OCI, entitled to an additional payment of up to $4 ~~million~~ per year to cover expenses not otherwise reimbursed. ~~OCI approved this~~The $4 ~~million~~ reimbursement for ~~2019~~2020 expenses ~~which~~ was approved (by OCI) and paid (by AAC) in ~~March 2020.~~April 2021.

AFG's investments include securities directly and indirectly issued by and/or insured by ~~Ambac Assurance,~~AAC, some of which are eliminated in consolidation. Securities issued and/or insured by ~~Ambac Assurance~~AAC are generally less liquid than investment grade and other traded investments.

AFG has not received dividends from any of its subsidiaries during the first quarter of 2021 or the full year of 2020.

•It is highly unlikely that ~~Ambac Assurance~~AAC will be able to make dividend payments to AFG for the foreseeable ~~future and therefore cash and investments,~~future. Therefore, payments under the intercompany cost allocation agreement ~~and future tolling payments, if any,~~ will be AFG’s principal ~~source~~sources of liquidity from AAC in the ~~near term.~~near-term. Refer to Part I, Item 1, “Insurance Regulatory Matters — Dividend Restrictions, Including Contractual Restrictions” in the Company’s Annual Report on Form 10-K for the year ended December 31, ~~2019,~~2020, and Note 8. Insurance Regulatory Restrictions to the Consolidated Financial Statements included in Part II, Item 8, in the Company’s Annual Report on Form 10-K for the year ended December 31, ~~2019,~~2020, for more information on dividend payment restrictions.

•Everspan does not have sufficient earned surplus at this time to pay ordinary dividends under the Arizona Insurance Laws. Payments from Everspan to AFG may include expense allocation payments and tax payments.

•Xchange currently does not have any regulatory restrictions on its ability to pay dividends and AFG expects it to begin paying dividends beginning in the second quarter of 2021.

The principal uses of liquidity ~~are~~include the payment of operating expenses, including costs to explore opportunities to grow and diversify Ambac; ~~and~~ the making of investments, ~~including~~which may include securities issued or insured by AAC or Ambac ~~Assurance. Future uses of liquidity may include~~UK and other less liquid investments; and the acquisition or capitalization of new businesses. Contingencies could cause material liquidity strains.

Ambac Assurance Liquidity. ~~Ambac Assurance’s~~AAC’s liquidity is dependent on the balance of liquid investments and, over time, the net impact of sources and uses of funds. The principal sources of ~~Ambac Assurance’s~~AAC’s liquidity are gross installment premiums on insurance policies; principal and interest payments from investments; sales of investments; proceeds from repayment of affiliate loans; and recoveries on claim payments, including from litigation and reinsurance recoveries. Termination of installment premium policies on an accelerated basis may adversely impact ~~Ambac Assurance’s~~AAC’s liquidity.

The principal uses of ~~Ambac Assurance’s~~AAC’s liquidity are the payment of operating and loss adjustment ~~expenses, claims,~~expenses; claims; commutation ~~and related expense~~ payments on insurance ~~policies,~~policies; ceded reinsurance ~~premiums,~~premiums; principal and interest payments on the Ambac Note, surplus ~~note principal~~notes and ~~interest payments,~~ Tier 2 ~~Note payments,~~Notes; additional loans to ~~affiliates, tolling payments due to AFG under the Amended TSA,~~affiliates; and purchases of securities and other investments that may not be immediately converted into cash.

~~The COVID-19 pandemic had a negative impact on Ambac's available liquidity~~•Although AAC has not experienced incremental claim payments as a ~~consequence~~result of the ~~adverse reaction~~impact of COVID-19, such claims may occur as issuers, particularly those with revenues that have been interrupted by the effects of the capital markets, which led to a reduction in the value and marketability of our invested assets; derivative losses, which required additional collateral posting; and higher credit risk within the insured portfolio, as further described below.pandemic (including social distancing, other restrictions on activities

| Ambac Financial Group, Inc. 5654 ~~2020~~2021 First Quarter FORM 10-Q|

~~Nevertheless, Ambac has not yet experienced incremental demands on its liquidity, from higher claims or expenses, other than the aforementioned increase in collateral postings~~

~~Claim payments may increase during the global recession and COVID-19 pandemic as issuers, particularly those with revenues that will be interrupted by social distancing, other restrictions~~ and the increase in ~~unemployment,~~unemployment) may not have sufficient cash inflows to pay debt service on Ambac-insured debt. Refer to "Financial Guarantees in Force" in this Management's Discussion and Analysis for further discussion of the potential impact of the COVID-19 pandemic on claim payments.

•

Interest and principal payments on surplus notes are subject to the approval of OCI, which has full discretion over payments regardless of the liquidity position of Ambac Assurance. Any such payment on surplus notes would require either payment or collateralization of a portion of the Tier 2 Notes under the terms of the Tier 2 Note indenture. See ~~Note 13. Long-term Debt~~ in the Notes to Consolidated Financial Statements, included in Part II, Item 8, in the Company's Annual Report on Form 10-K for the year ended December 31, 2019 for further discussion of the payment terms and conditions of the Tier 2 Notes. As discussed more fully in "Results of Operations" above in this Management's Discussion and Analysis OCI declined Ambac Assurance's request to pay the principal amount of the surplus notes, plus all accrued and unpaid interest thereon, on June 7, 2020.

~~Ambac Assurance's~~•Interest and principal payments on surplus notes are subject to the approval of OCI, which has full discretion over payments regardless of the liquidity position of AAC. Any such payment on surplus notes would require either payment or collateralization of a portion of the Tier 2 Notes under the terms of the Tier 2 Note indenture. See Note 13. Long-term Debt in the Notes to Consolidated Financial Statements, included in Part II, Item 8, in the Company's Annual Report on Form 10-K for the year ended December 31, 2020, for further discussion of the payment terms and conditions of the Tier 2 Notes. As discussed more fully in "Results of Operations" above in this Management's Discussion and Analysis, OCI declined AAC's request to pay the principal amount of the surplus notes, plus all accrued and unpaid interest thereon, on June 7, 2021 and on each prior scheduled payment date.

AAC's intercompany loans are with Ambac Financial Services ("AFS"). AFS uses interest rate derivatives (primarily interest ~~rated~~rate swaps and US Treasury futures) as an economic hedge against the effects of rising interest rates elsewhere in the Company, including on ~~Ambac Assurance’s~~AAC’s financial guarantee exposures. AFS's derivatives include interest rate swaps previously provided to asset-backed issuers and other entities in connection with their financings. ~~Ambac Assurance~~AAC loans cash and securities to AFS as needed to fund payments under these derivative contracts, collateral posting requirements and operating expenses. Intercompany loans are governed by an established lending agreement with defined borrowing limits that has received non-disapproval from OCI.

~~Ambac Assurance~~AAC manages its liquidity risk by maintaining comprehensive analyses of projected cash flows and maintaining specified levels of cash and short-term investments at all times.

~~Ambac Assurance~~AAC is limited in its ability to pay dividends pursuant to the terms of its Auction Market Preferred Shares (“AMPS”), which state that dividends may not be paid on the common stock of ~~Ambac Assurance~~AAC unless all accrued and unpaid dividends on the AMPS for the then current dividend period have been paid, provided that dividends on the common stock may be made at all times for the purpose of, and only in such amounts as are necessary for enabling AFG (i) to service its indebtedness for borrowed money as such payments become due or (ii) to pay its operating expenses. If dividends are paid on the common stock for such purposes, dividends on the AMPS become cumulative until the date that all accumulated and unpaid dividends have been paid on the AMPS. ~~Ambac Assurance~~AAC has not paid dividends on the AMPS since 2010. ~~Ambac Assurance~~AAC is also subject to additional restrictions on the payment of dividends pursuant to certain

contractual and regulatory restrictions. Refer to Part I, Item 1, “Insurance Regulatory Matters - Dividend Restrictions, Including Contractual Restrictions” in the Company’s Annual Report on Form 10-K for the year ended December 31, ~~2019,~~2020, and Note 8.9. Insurance Regulatory Restrictions to the Consolidated Financial Statements included in Part II, Item 8, in the Company’s Annual

Report on Form 10-K for the year ended December 31, ~~2019,~~2020, for more information on dividend payment restrictions.

Our ability to realize RMBS representation and warranty ("R&W") subrogation recoveries is subject to significant uncertainty, including risks inherent in ~~litigation;~~litigation, including adverse rulings or decisions in our cases or in litigations to which AAC is not a party that set precedents or resolve questions of law that impact our own claims; collectability of such amounts from counterparties (and/or their respective parents and affiliates); timing of receipt of any such recoveries, including uncertainty due to delays in court proceedings as a result of the COVID-19 pandemic; intervention by the OCI, which could impede our ability to take actions required to realize such recoveries; and uncertainty inherent in the assumptions used in estimating the amount of such recoveries. The amount of these subrogation recoveries is significant and if we are unable to recover any amounts or recover materially less than our estimated recoveries, our future available liquidity to pay claims, debt service and meet our other obligations would be reduced materially. See Part I, Item 1A. Risk Factors in the Company's Annual Report on Form 10-K for the year ended December 31, ~~2019~~2020, for more information about risks relating to our RMBS R&W subrogation recoveries.

Cash Flow Statement Discussion. The following table summarizes the net cash flows for the periods presented.


	Three Months Ended March 31,
($ in million)	2020			2019
Three Months Ended March 31,							Three Months Ended March 31,	2021		2020
Cash provided by (used in):							Cash provided by (used in):
Operating activities	$	(87	)	$	(95	)	Operating activities	$	(40)	$	(87)
Investing activities	244			112			Investing activities	116		244
Financing activities	(146		)	(76		)	Financing activities	(69)		(146)
Foreign exchange impact on cash and cash equivalents	—			—			Foreign exchange impact on cash and cash equivalents	—		—
Net cash flow	$	10		$	(58	)	Net cash flow	$	6	$	10

Operating activities

The following represents the significant cash ~~activities~~operating activity during the three months ended March 31, ~~2020~~2021 and ~~2019:~~2020:

~~Cash used in operating activities relating to long-term debt~~•Debt service payments on the Ambac Note were ~~$31 million~~$25 and ~~$38 million~~$31 for the three months ended March 31, 2021 and 2020, ~~and 2019,~~ respectively.

~~Cash used in~~•Receipts (payments) for operating activities related to interest rate derivatives were ~~$25 million~~$3 and ~~$23 million~~$(25) for the three months ended March 31, 2021 and 2020, respectively.

•Operating expenses were $31 and ~~2019, respectively.~~

~~Cash provided by operating activities relating to the investment portfolio were $30 million and $36 million~~$25 for the three months ended March 31, 2021 and 2020, respectively.

•Cash provided by the investment portfolio was $23 and ~~2019,~~$30 for the three months ended March 31, 2021 and 2020, respectively.

•Net loss and loss expenses paid, including commutation payments, during the three months ended March 31, ~~2020~~2021 and ~~2019~~2020 are detailed below:

| Ambac Financial Group, Inc. 5755 ~~2020~~2021 First Quarter FORM 10-Q|


Three Months Ended March 31,	2021		2020
Net loss and loss expenses paid (recovered):
Net losses paid (1)	$	30	$	44
Net subrogation received	(25)		(25)
Net loss expenses paid	20		20
Net cash flow	$	25	$	39

Three Months Ended March 31,
($ in million) 2020 2019
Net loss and loss expenses paid (recovered):
Net losses paid ⁽¹⁾
$ 44
$ 123
Net subrogation received ⁽²⁾
(25 ) (68 )
Net loss expenses paid 20
10
Net cash flow $ 39
$ 64
(1)Net losses paid include commutation payments of $0 and $2 for the three months ended March 31, 2021 and 2020, respectively.


~~(1)~~	~~Net losses paid include commutation payments of $2 and $66 for the three months ended March 31, 2020 and 2019, respectively.~~


~~(2)~~	~~For the three months ended March 31, 2019, subrogation received includes $23 related to the COFINA Plan of Adjustment.~~

Future operating cash flows will primarily be impacted by ~~the level of premium collections,~~interest payments on outstanding debt, claim and expense payments, investment coupon receipts and ~~claim and expense payments.~~premium collections.

Financing Activities

Financing activities for the three months ended March 31, 2021, include paydowns of the Ambac Note of $16 and paydowns / maturities of VIE debt obligations of $48.

Financing activities for the three months ended March 31, 2020, include paydowns of the Ambac Note of $77 ~~million~~ and paydowns ~~/ maturities~~ of VIE debt obligations of ~~$66 million.~~

Financing activities for the three months ended March 31, 2019, include proceeds $3 million from Ambac's issuance of 201 shares of AMPS, paydowns of the Ambac Note of $13 million and paydowns / maturities of VIE debt obligations of $63 million.$66.

Collateral

AFS hedges a portion of the interest rate risk in the financial guarantee and investment portfolio, along with legacy customer interest rate swaps, with standardized derivative contracts, including financial futures contracts, which contain collateral or margin requirements. Under these hedge agreements, AFS is required to post collateral or margin to its counterparties and futures commission merchants to cover unrealized losses. In addition, AFS is required to post collateral or margin in excess of the amounts needed to cover unrealized losses. All AFS derivative contracts containing ratings-based downgrade triggers that could result in collateral or margin posting or a termination have been triggered. If terminations were to occur, AFS would be required to make termination payments but would also receive a return of collateral or margin in the form of cash or U.S. Treasury obligations with market values equal to or in excess of market values of the swaps and futures contracts. AFS may look to re-establish hedge positions that are terminated early, resulting in additional collateral or margin obligations. The amount of additional collateral or margin posted on derivatives contracts will depend on several variables including the degree to which counterparties exercise their termination rights (or agreements terminate automatically) and the terms on which hedges can be replaced. All collateral and margin obligations are currently met. Collateral and margin posted by AFS totaled a net amount of ~~$165 million~~$124 (cash and securities collateral of ~~$80 million~~$4 and ~~$85 million,~~$120, respectively), including independent amounts, under these contracts at March 31, ~~2020.~~2021.

Ambac Credit Products (“ACP”) is not required to post collateral under any of its outstanding credit derivative contracts.

BALANCE SHEET
($ in millions)

Total assets decreased by approximately ~~$542 million~~$380 from December 31, ~~2019,~~2020, to ~~$12,777 million~~$12,840 at March 31, ~~2020,~~2021, primarily due to the ~~negative total return for the non-VIE investment portfolio~~payment of loss and loss expenses; interest and operating expenses; lower subrogation recoverables; and lower VIE assets caused by lower

valuation on certain fixed maturity assets and the ~~economic effects of~~impact Corolla Trust Exchange described in Note 1. Background and Business Description to the ~~COVID-19 pandemic and lower consolidated VIE assets as a result of currency changes (strengthening of the US Dollar).~~Unaudited Consolidated Financial Statements, included in Part I, Item 1 in this Form 10-Q. Other significant changes during the three months ended March 31, ~~2020,~~2021, were ~~higher subrogation recoverables primarily related to increases in excess spread on RMBS as a result~~from partial redemption of the Ambac Note, lower derivative assets caused by rising interest rates, ~~higher collateral receivable from derivative counterparties (within Other assets)~~ and lower premium receivables and intangible assets from the continued runoff of the financial guarantee insurance portfolio.

Total liabilities decreased by approximately ~~$68 million~~$377 from December 31, ~~2019,~~2020, to ~~$11,716 million~~$11,697 as of March 31, ~~2020,~~2021, primarily due to the payment of loss and loss expenses, lower long-term debt, resulting from the surplus note exchange transactions, and partial redemptions of the Ambac Note, lower consolidated VIE liabilities ~~as a result of currency~~resulting from fair value changes as(as noted ~~above,~~above), and lower ~~long-term debt plus accrued interest payable due to partial redemption of the Ambac Note, partially offset~~derivative liabilities caused by ~~higher loss reserves and increases in interest rate derivative obligations as a result of reductions in forward~~rising interest rates.

As of March 31, ~~2020,~~2021, total stockholders’ equity was ~~$1,062 million,~~$1,123, compared with total stockholders’ equity of ~~$1,536 million~~$1,140 at December 31, ~~2019.~~2020. This decrease was primarily due to ~~a Total Comprehensive Loss during 2020. The Comprehensive Loss was primarily driven by~~ the ~~net loss attributable~~$13 increase to ~~common stockholders for~~ the ~~three months ended March 31, 2020,~~carrying value of ~~$280 million, unrealized losses on investment securities of $146 million and translation losses on the consolidation of AFG's foreign subsidiaries of $46 million.~~redeemable NCI which is offset directly against retained earnings.

Investment Portfolio. Ambac Assurance’s investment objective is to achieve the highest risk-adjusted after-tax return on a diversified portfolio of primarily fixed income investments and pooled investment funds while employing asset/liability management practices to satisfy operating and strategic liquidity needs. Ambac Assurance’s

Ambac's investment portfolio is ~~subject~~managed under established guidelines designed to ~~internal~~meet the investment ~~guidelines~~objectives of AAC, Everspan Group, Ambac UK and ~~is subject~~AFG. Refer to ~~limits on types and quality of investments imposed by the insurance laws and regulations~~"Description of the ~~jurisdictions~~Business — Investments and Investment Policy" located in which it is licensed, primarily the States of Wisconsin and New York. Such guidelines set forth minimum credit rating requirements and credit risk concentration limits. Within these guidelines, which in certain instances may be exceeded with the approvalPart I. Item 1 of the ~~applicable regulatory authority, Ambac Assurance opportunistically purchases Ambac Assurance insured securities given their relative risk/reward characteristics. Ambac Assurance’s~~Company’s Annual Report on Form 10-K for the year ended December 31, 2020, for further description of Ambac's investment policies ~~are subject to oversight by OCI pursuant to the Settlement Agreement, the Stipulation~~ and ~~Order and the indenture for the Tier 2 Notes. The Board of Directors of Ambac Assurance approves any changes to Ambac Assurance's investment policy.~~

Ambac UK’s investment policy is designed with the primary objective of ensuring that Ambac UK is able to meet its financial obligations as they fall due, in particular with respect to policyholder claims. Ambac UK’s investment portfolio is primarily fixed income investments and diversified holdings of pooled investment funds. The portfolio is subject to internal investment guidelines and may be subject to limits on types and quality of investments imposed by the PRA as regulator of Ambac

~~| Ambac Financial Group, Inc.~~ 58~~2020 First Quarter FORM 10-Q~~ |

UK. Ambac UK’s investment policy sets forth minimum credit rating requirements and concentration limits, among other restrictions. The Board of Directors of Ambac UK approves any changes or exceptions to Ambac UK’s investment policy.

~~AFG's investment portfolio's primary objective is to preserve capital and liquidity for strategic uses while maximizing income.~~applicable regulations.

Refer to Note 8.9. Investments to the Unaudited Consolidated Financial Statements, included in Part I, Item 1 in this Form 10-Q for information about Ambac's consolidated investment portfolio. Ambac's investment policies and objectives do not apply to the assets of VIEs consolidated as a result of financial guarantees written by its insurance subsidiaries.

The following table summarizes the composition of Ambac’s investment portfolio, excluding VIE investments, at carrying value at March 31, ~~2020~~2021 and December 31, ~~2019:~~2020:


	March 31, 2021		December 31, 2020
Fixed maturity securities	$	2,341	$	2,317
Short-term	397		492
Other investments	600		595
Fixed maturity securities pledged as collateral	120		140
Total investments (1)	$	3,458	$	3,544

($ in millions) March 31,
2020 December 31,
2019
Fixed income securities $ 2,367
$ 2,577
Short-term 586
653
Other investments 363
478
Fixed income securities pledged as collateral 85
85
Total investments ⁽¹⁾
$ 3,400
$ 3,792
(1) Includes investments denominated in non-US dollar currencies with a fair value of £314 ($432) and €42.7 ($50.1) as of March 31, 2021, and £317 ($434) and €39 ($48) as of December 31, 2020.


~~(1)~~	~~Includes investments denominated in non-US dollar currencies with a fair value of £238 ($295) and €28.7 ($31.6) as of March 31, 2020, and £257 ($341) and €2 ($2) as of December 31, 2019.~~

Ambac invests in various asset classes in its fixed ~~income~~maturity securities ~~portfolio, including securities covered by guarantees issued by Ambac Assurance and Ambac UK and other financial guarantors ("insured securities").~~portfolio. Other investments include diversified interests in pooled funds. Refer to Note 8.9. Investments to the Unaudited Consolidated Financial Statements included in Part I,

| Ambac Financial Group, Inc. 562021 First Quarter FORM 10-Q |

Item 1 in this Form 10-Q for information about ~~insured~~fixed maturity securities ~~and fixed income~~ and pooled funds by asset class.

~~The following table represents the fair value of other asset-backed securities, included in fixed income securities above, at March 31, 2020 and December 31, 2019 by classification:~~

($ in millions) March 31,
2020 December 31,
2019
Other asset-backed securities
Military Housing 224
237
Student Loans 27
32
Credit Cards 24
18
Auto 8
—
Total other asset-backed securities $ 283
$ 287

The following charts provide the ratings ⁽¹⁾ distribution of the fixed ~~income~~maturity investment portfolio based on fair value at March 31, ~~2020~~2021 and December 31, ~~2019:~~2020:


~~(1)~~	Ratings are based on the lower of Moody’s or S&P ratings. If ratings are unavailable from Moody's or S&P, Fitch ratings are used. If guaranteed, rating represents the higher of the underlying or guarantor’s financial strength rating.


~~(2)~~	~~Below investment grade and not rated bonds insured by Ambac represent 34% and 33% of the 2020 and 2019 combined fixed income portfolio, respectively.~~

(1)Ratings are based on the lower of Moody’s or S&P ratings. If ratings are unavailable from Moody's or S&P, Fitch ratings are used. If guaranteed, rating represents the higher of the underlying or guarantor’s financial strength rating.

(2)Below investment grade and not rated bonds insured by Ambac represent 42% and 41% of the March 31, 2021 and December 31, 2020 combined fixed maturity portfolio, respectively.

Premium Receivables. Ambac's premium receivables decreased to ~~$403 million~~$356 at March 31, ~~2020,~~2021, from ~~$416 million~~$370 at December 31, ~~2019.~~2020. As further discussed in Note 6. Financial Guarantee Insurance Contracts, the decrease is due to premium receipts and adjustments for changes in expected and contractual cash flows, partially offset by decreases to the allowance for credit losses and ~~changes in foreign currencies, partially offset by changes in expected and contractual cash flows and~~ accretion of the premium receivable discount.

~~| Ambac Financial Group, Inc.~~ 59~~2020 First Quarter FORM 10-Q~~ |

Premium receivables by payment currency were as follows:


Currency (Amounts in millions)	Premium Receivable in Payment Currency		Premium Receivable in U.S. Dollars
Currency					Currency	Premium Receivable in Payment Currency		Premium Receivable in U.S. Dollars
U.S. Dollars	$	250	$	250	U.S. Dollars	$	213	$	213
British Pounds	£	103	128		British Pounds	£	89	122
Euros	€	22	24		Euros	€	18	21

Total			$	403	Total			$	356

Reinsurance Recoverable on Paid and Unpaid Losses. ~~Ambac Assurance~~AAC has reinsurance in place pursuant to surplus share treaty and facultative agreements. To minimize its exposure to losses from reinsurers, ~~Ambac Assurance~~AAC (i) monitors the financial condition of its reinsurers; (ii) is entitled to receive collateral from its reinsurance counterparties under certain reinsurance contracts; and (iii) has certain cancellation rights that can be exercised by ~~Ambac Assurance~~AAC in the event of rating agency downgrades of a reinsurer (among other events and circumstances). ~~Ambac Assurance~~AAC benefited from letters of credit and collateral amounting to approximately ~~$124 million~~$108 from its reinsurers at March 31, ~~2020.~~2021. As of March 31, ~~2020~~2021 and December 31, ~~2019,~~2020, reinsurance recoverable on paid and unpaid losses were ~~$36 million~~$33 and ~~$26 million,~~$33, respectively. The increase was primarily a result of adverse development in public finance ~~and student loan insured~~ exposures.

~~Insurance~~ Intangible Asset. AtIntangible assets include (i) an insurance intangible asset that was established at the Fresh Start Reporting Date, ~~an insurance intangible asset was recorded which represented~~representing the difference between the fair value and aggregate carrying value of the financial guarantee insurance and reinsurance assets and ~~liabilities.~~ liabilities and (ii) intangible assets established as part of the acquisition of Xchange on December 31, 2020.

As of March 31, ~~2020~~2021 and December 31, ~~2019,~~2020, the ~~net insurance~~ intangible ~~asset was $406 million~~assets were $391 and ~~$427 million,~~$409, respectively. Other than through amortization, variance in the insurance intangible asset is solely from translation gains (losses)

from the consolidation of Ambac's foreign subsidiary (Ambac UK).

Derivative Assets and Liabilities. The interest rate derivative portfolio is positioned to benefit from rising rates as a partial economic hedge against interest rate exposure in the financial guarantee and investment portfolios. Derivative assets ~~increased~~decreased from ~~$75 million~~$93 at December 31, ~~2019,~~2020, to ~~$88 million~~$74 as of March 31, ~~2020.~~2021. Derivative liabilities ~~increased~~decreased from ~~$90 million~~$114 at December 31, ~~2019,~~2020, to ~~$137 million~~$86 as of March 31, ~~2020.~~2021. The net ~~increases~~decreases resulted primarily from ~~lower~~higher interest rates during the three months ended March 31, ~~2019,~~2021, with the effect on assets partially offset by ~~higher~~lower counterparty credit adjustments.

Loss and Loss Expense Reserves and Subrogation Recoverable.Loss and loss expense reserves are based upon estimates of the ultimate aggregate losses inherent in the non-derivative portfolio for insurance policies issued to beneficiaries, including unconsolidated VIEs.

The evaluation process for determining the level of reserves is subject to certain estimates and judgments. Refer to the "Critical Accounting Policies and Estimates" and “Results of Operations” sections of Management’s Discussion and Analysis of Financial Condition and Results of Operations, in addition to Basis of

| Ambac Financial Group, Inc. 572021 First Quarter FORM 10-Q |

Presentation and Significant Accounting Policies and Loss Reserves sections included in Note 2. Basis of Presentation and Significant Accounting Policies and Note 6. Financial Guarantee Insurance Contracts, respectively, of the Consolidated Financial Statements included in Part II, Item 8 in the Company’s Annual Report on Form 10-K for the year ended December 31, ~~2019~~2020, for further information on loss and loss expenses.

The loss and loss expense reserves, net of subrogation recoverables and before reinsurance as of March 31, ~~2020~~2021 and December 31, ~~2019,~~2020, were ~~$(395) million~~$(414) and ~~$(482) million,~~$(397), respectively.

Loss and loss expense reserves are included in the Unaudited Consolidated Balance Sheets as follows:

Present Value of Expected
Net Cash Flows Unearned
Premium
Revenue Gross Loss
and Loss
Expense
Reserves
($ in millions)
Balance Sheet Line Item Claims and
Loss
Expenses
Recoveries ⁽¹⁾

March 31, 2020:
Loss and loss expense reserves $ 2,112
$ (245 ) $ (70 ) $ 1,797
Subrogation recoverable 135
(2,327 ) —
(2,192 )
Totals $ 2,247
$ (2,572 ) $ (70 ) $ (395 )

December 31, 2019:
Loss and loss expense reserves $ 1,835
$ (233 ) $ (54 ) $ 1,548
Subrogation recoverable 131
(2,160 ) —
(2,029 )
Totals $ 1,966
$ (2,394 ) $ (54 ) $ (482 )


~~(1)~~	~~Present value of future recoveries includes R&W subrogation recoveries of $1,764 and $1,727 at March 31, 2020 and December 31, 2019, respectively.~~


	Present Value of Expected Net Cash Flows			Unearned Premium Revenue			Gross Loss and Loss Expense Reserves
Balance Sheet Line Item		Claims and Loss Expenses				Recoveries (1)
March 31, 2021:
Loss and loss expense reserves		$	1,831	$	(102)		$	(67)	$	1,662
Subrogation recoverable		99		(2,175)			—		(2,076)
Totals		$	1,930	$	(2,277)		$	(67)	$	(414)

December 31, 2020:
Loss and loss expense reserves		$	2,060	$	(229)		$	(72)	$	1,759
Subrogation recoverable		100		(2,256)			—		(2,156)
Totals		$	2,160	$	(2,485)		$	(72)	$	(397)

~~| Ambac Financial Group, Inc.~~ (1)60Present value of future recoveries includes R&W subrogation recoveries of $1,748 and $1,751 at March 31, 2021 and December 31, 2020, ~~First Quarter FORM 10-Q~~respectively. |

Ambac has exposure to various bond types issued in the debt capital markets. Our experience has shown that, for the majority of bond types, we have not experienced significant claims. The bond types that have experienced significant claims, including through commutations, are residential mortgage-backed securities (“RMBS”), student loan securities and public finance securities. These bond types represent 94% of our ever-to-date insurance claims recorded, with RMBS comprising ~~76%~~75%. The table below indicates gross par outstanding and the components of gross loss and loss expense reserves related to policies in Ambac’s gross loss and loss expense reserves at March 31, ~~2020~~2021 and December 31, ~~2019:~~2020:


	Gross Par Outstanding (1)(2)		Present Value of Expected Net Cash Flows			Unearned Premium Revenue			Gross Loss and Loss Expense Reserves (1)(3)
				Claims and Loss Expenses				Recoveries
March 31, 2021:
RMBS	$	2,405		$	599	$	(2,029)		$	(11)	$	(1,441)
Domestic Public Finance	3,097			963		(215)			(40)		708
Student Loans	399			270		(33)			(2)		235
Ambac UK and Other Credits	1,186			41		—			(14)		27

Loss expenses	—			57		—			—		57
Totals	$	7,087		$	1,930	$	(2,277)		$	(67)	$	(414)

| Ambac Financial Group, Inc. 582021 First Quarter FORM 10-Q |


																	Gross Par Outstanding (1)(2)		Present Value of Expected Net Cash Flows				Unearned Premium Revenue		Gross Loss and Loss Expense Reserves (1)(3)
	Gross Par Outstanding ⁽¹⁾⁽²⁾			Present Value of Expected Net Cash Flows						Unearned Premium Revenue			Gross Loss and Loss Expense Reserves⁽¹⁾⁽³⁾							Claims and Loss Expenses		Recoveries
($ in millions)			Claims and Loss Expenses			Recoveries
March 31, 2020:
December 31, 2020:																December 31, 2020:
RMBS	$	2,871		$	728		$	(2,183	)	$	(13	)	$	(1,468	)	RMBS		2,530				669		(2,102)		(13)	(1,446)
Domestic Public Finance	2,848			1,176			(353		)	(41		)	783			Domestic Public Finance	3,016				1,112		(349)		(39)	724
Student Loans	458			268			(37		)	(4		)	227			Student Loans	415				271		(34)		(3)	234
Ambac UK and Other Credits	869			20			—			(12		)	8			Ambac UK and Other Credits	1,612				40		—		(17)	23

Loss expenses	—			55			—			—			55			Loss expenses	—				68		—		—	68
Totals	$	7,046		$	2,247		$	(2,572	)	$	(70	)	$	(395	)	Totals	7,573				2,160		(2,485)		(72)	(397)

(1) Ceded par outstanding on policies with loss reserves and ceded loss and loss expense reserves are $807 and $33 respectively, at March 31, 2021, and $739 and $33, respectively at December 31, 2020. Ceded loss and loss expense reserves are included in Reinsurance recoverable on paid and unpaid losses.

December 31, 2019:
RMBS $ 3,027
$ 634
$ (2,013 ) $ (13 ) $ (1,392 )
Domestic Public Finance 2,398
1,007
(344 ) (36 ) 627
Student Loans 472
248
(36 ) (4 ) 208
Ambac UK and Other Credits 271
4
—
(1 ) 3
Loss expenses —
73
—
—
73
Totals $ 6,168
$ 1,966
$ (2,394 ) $ (54 ) $ (482 )
(2) Gross Par Outstanding includes capital appreciation bonds, which are reported at the par amount at the time of issuance of the insurance policy as opposed to the current accreted value of the bond.


~~(1)~~	Ceded par outstanding on policies with loss reserves and ceded loss and loss expense reserves are $750 and $35 respectively, at March 31, 2020, and $511 and $26, respectively at December 31, 2019. Ceded loss and loss expense reserves are included in Reinsurance recoverable on paid and unpaid losses.


~~(2)~~	~~Gross Par Outstanding includes capital appreciation bonds, which are reported at the par amount at the time of issuance of the insurance policy as opposed to the current accreted value of the bond.~~


~~(3)~~	~~Loss reserves are included in the balance sheet as Loss and loss expense reserves or Subrogation recoverable dependent on if a policy is in a net liability or net recoverable position.~~

(3) Loss reserves are included in the balance sheet as Loss and loss expense reserves or Subrogation recoverable dependent on if a policy is in a net liability or net recoverable position.

Variability of Expected Losses and Recoveries

Ambac’s management believes that the estimated future loss component of loss reserves (present value of expected net cash flows) are adequate to cover future claims presented, but there can be no assurance that the ultimate liability will not be higher than such estimates.

It is possible that our estimated future losses for insurance policies discussed above could be understated or that our estimated future recoveries could be overstated. We have attempted to identify possible cash flows related to losses and recoveries using more stressful assumptions than the probability-weighted outcome recorded. The possible net cash flows consider the highest stress scenario that was utilized in the development of our probability-weighted expected loss at March 31, ~~2020,~~2021, and assumes an inability to execute any commutation transactions with issuers and/or investors. Such stress scenarios are developed based on management’s view about all possible outcomes relating to losses and recoveries. In arriving at such view, management makes considerable judgments about the possibility of various future events. Although we do not believe it is possible to have stressed outcomes in all cases, it is possible that we could have stress case outcomes in some or even many cases. See “Risk Factors” in Part I, Item 1A as well as the descriptions of "RMBS Variability,"

~~"Public~~ "Public Finance Variability," "Student Loan Variability," and "Other Credits, including Ambac UK, Variability," in Part II, Item 7 of the Company's ~~2019~~2020 Annual Report on Form 10-K for further discussion of the risks relating to future losses and recoveries that could result in more highly stressed outcomes, and "Risk Factors" in Part II, Item 1A of this Quarterly Report on Form 10-Q as well as the descriptions of "RMBS Variability," "Public Finance Variability," "Student Loan Variability," and "Other Credits, including Ambac UK, Variability" appearing below.

The occurrence of these stressed outcomes individually or collectively would have a material adverse effect on our results of operations and financial condition and may result in materially adverse consequence for the Company, including (without limitation) impairing the ability of ~~Ambac Assurance~~AAC to honor its financial obligations; the initiation of rehabilitation proceedings against ~~Ambac Assurance;~~

AAC; decreased likelihood of ~~Ambac Assurance~~AAC delivering value to AFG, through dividends or otherwise; and a significant drop in the value of securities issued or insured by AFG or ~~Ambac Assurance.~~AAC.

~~| Ambac Financial Group, Inc.~~ 61~~2020 First Quarter FORM 10-Q~~ |

RMBS Variability:

Ambac has exposure to the U.S. mortgage market primarily through direct financial guarantees of RMBS, including transactions collateralized by first and second ~~liens.~~lien mortgages.

Changes to assumptions that could make our reserves under-estimated include an increase in interest rates, deterioration in housing prices, poor servicing, government intervention into the functioning of the mortgage market and the effect of a weakened economy characterized by growing unemployment and wage pressures. We utilize a model to project losses in our RMBS exposures and changes to reserves, either upward or downward, are not unlikely if we used a different model or methodology to project losses.

We established a representation and warranty subrogation recovery as further discussed in Note 6. Financial Guarantee Insurance Contracts to the Unaudited Consolidated Financial Statements included in Part I, Item 1 in this Form 10-Q. Our ability to realize RMBS representation and warranty recoveries is subject to significant uncertainty, including risks inherent in ~~litigation;~~litigation, including adverse rulings or decisions in our cases or in litigations to which AAC is not a party that set precedents or resolve questions of law that impact our own claims; collectability of such amounts from counterparties (and/or their respective parents and affiliates); delays in realizing such recoveries, including as a result of trial delays due to court closures related to COVID-19 or other events; intervention by the OCI, which could impede our ability to take actions required to realize such recoveries; and uncertainty inherent in the assumptions used in estimating such recoveries. Additionally, our R&W actual subrogation recoveries could be significantly lower than our estimate of ~~$1,738 million,~~$1,722, net of reinsurance, as of March 31, ~~2020,~~2021, if the sponsors of these transactions: (i) fail to honor their obligations to repurchase the mortgage loans, (ii) successfully dispute our breach findings or claims for damages, (iii) no longer have the financial means to fully satisfy

| Ambac Financial Group, Inc. 592021 First Quarter FORM 10-Q |

their obligations under the transaction documents, or (iv) our pursuit of recoveries is otherwise unsuccessful. Failure to realize R&W subrogation recoveries for any reason or the realization of R&W subrogation recoveries materially below the amount recorded on Ambac's consolidated balance sheet would have a material adverse effect on our results of operations and financial condition.

In the case of both first and second-lien exposures, the possible stress case assumes a lower housing price appreciation projection, which in turn drives higher defaults and severities. Using this approach, the possible increase in loss reserves for RMBS credits for which we have an estimate of expected loss at March 31, ~~2020~~2021, could be approximately ~~$25 million.~~$10. Combined with the absence of any R&W subrogation recoveries, a possible increase in loss reserves for RMBS could be approximately ~~$1,763 million.~~$1,732. A loss of this magnitude may render AAC insolvent. Additionally, loss payments are sensitive to changes in interest rates, increasing as interest rates rise. For example, an increase in interest rates of 0.50% could increase our estimate of expected losses by approximately ~~$40 million.~~$30. There can be no assurance that losses may not exceed such amounts. Additionally, the RMBS portfolio is

sensitive to the COVID-19 related forbearances and delinquencies caused by the general economic downturn. Due to the uncertainties related to the economic effects of the COVID-19 pandemic and other risks ~~inherent~~ associated with RMBS, there can be no assurance that losses may not exceed our stress case estimates.

Public Finance Variability:

Ambac’s U.S. public finance portfolio consists predominantly of municipal bonds such as general and revenue obligations and lease and tax-backed obligations of state and local government entities; however, the portfolio also includes a wide array of non-municipal types of bonds, including financings for not-for-profit entities and transactions with public and private elements, which generally finance infrastructure, housing and other public purpose facilities and interests. The increase in public finance gross loss reserves at March 31, ~~2020,~~2021, as compared to December 31, ~~2019,~~2020, was primarily related to ~~declines in discount rates and the~~ adverse ~~impact on loss reserves from the global and issuer-specific economic impact of the COVID-19 pandemic.~~development related to Puerto Rico credits. Total public finance gross loss reserves and related gross par outstanding on Ambac insured obligations by bond type were as follows:


	March 31, 2021				December 31, 2020
Issuer Type	Gross Par Outstanding (1)		Gross Loss Reserves		Gross Par Outstanding (1)		Gross Loss Reserves
Lease and tax-backed	$	1,394	$	671	$	1,366	$	693
General obligation	464		(29)		589		(37)
Housing	636		27		453		27
Transportation revenue	217		28		220		30
Other	386		11		388		11
Total	$	3,097	$	708	$	3,016	$	724

March 31, 2020 December 31, 2019
Issuer Type
($ in millions)
Gross Par
Outstanding ⁽¹⁾
Gross Loss
Reserves
Gross Par
Outstanding ⁽¹⁾
Gross Loss
Reserves
Lease and tax-backed $ 1,380
$ 694
$ 1,075
$ 561
General obligation 636
(17 ) 681
(16 )
Housing 456
33
457
29
Transportation revenue 232
47
88
42
Other 144
26
97
11
Total $ 2,848
$ 783
$ 2,398
$ 627
(1)Gross Par Outstanding includes capital appreciation bonds, which are reported at the par amount at the time of issuance of the insurance policy as opposed to the current accreted value of the bond.


~~(1)~~	~~Gross Par Outstanding includes capital appreciation bonds, which are reported at the par amount at the time of issuance of the insurance policy as opposed to the current accreted value of the bond.~~

It is possible our loss reserves for public finance credits may be under-estimated if issuers are faced with prolonged exposure to adverse political, judicial, economic, fiscal or socioeconomic events or trends. Additionally, our loss reserves may be under-estimated as a result of the ultimate scope, duration and magnitude of the effects of COVID-19. The COVID-19 related economic downturn has put a strain on municipal issuers, particularly those dependent upon narrow sources of revenues or dedicated taxes to support debt ~~services,~~service, such as hotel occupancy taxes, sales taxes, parking

revenues, tolls, licensing fees, etc. A prolonged recovery from the COVID-19 related economic ~~downturn~~impact could put additional stresses on these issuers as well as other types of municipal finance issuers and result in increased defaults and potential additional losses for Ambac.

Our experience with the city of Detroit in 2013 in its bankruptcy proceeding was not favorable and renders future outcomes with other public finance issuers even more difficult to predict and may

~~| Ambac Financial Group, Inc.~~ 62~~2020 First Quarter FORM 10-Q~~ |

increase the risk that we may suffer losses that could be sizable. We agreed to settlements regarding our insured Detroit general obligation bonds that provide better treatment of our exposures than the city planned to include in its plan of adjustment, but nevertheless required us to incur a loss for a significant portion of our exposure. An additional troubling precedent in the Detroit case, as well as other municipal

bankruptcies, is the preferential treatment of certain creditor classes, especially the public pensions. The cost of pensions and the need to address frequently sizable unfunded or underfunded pensions is often a key driver of stress for many municipalities and their related authorities, including entities to whom we have significant exposure, such as Chicago's school district, the State of New Jersey and many others. Less severe treatment of pension obligations in bankruptcy may lead to worse outcomes for traditional debt creditors.

Variability of outcomes applies even to ~~even~~ what is generally considered more secure municipal financings, such as dedicated sales tax revenue bonds that capture sales tax revenues for debt service ahead of any amounts being deposited into the general fund of an issuer. In the case of the Puerto Rico COFINA sales tax bonds that were part of the Commonwealth of Puerto Rico's Title III proceedings, ~~Ambac Assurance~~AAC and other creditors agreed to settle at a recovery rate equal to about 93% of pre-petition amounts owed on the Ambac insured senior COFINA bonds. In the COFINA case, the senior bonds still received a reduction or "haircut" despite the existence of junior COFINA bonds, which received a recovery rate equal to about 56% of pre-petition amounts owed.

In addition, municipal entities may be more inclined to use bankruptcy to resolve their financial stresses if they believe

| Ambac Financial Group, Inc. 602021 First Quarter FORM 10-Q |

preferred outcomes for various creditor groups can be achieved. We expect municipal bankruptcies and defaults to continue to be challenging to project given the unique political, economic, fiscal, legal, governance and public policy differences among municipalities as well as the complexity, long duration and relative infrequency of the cases themselves in forums with a scarcity of legal precedent.

Another potentially adverse development that could cause the loss reserves on our public finance credits to be underestimated is deterioration in the municipal bond market, resulting from reduced or limited access to alternative forms of credit (such as bank loans) or other exogenous factors, such as ~~the Tax Cuts and Jobs Act~~changes in tax law that ~~was signed into law on December 22, 2017, which~~ could reduce certain municipal investors' appetite for tax-exempt municipal bonds ~~and over the longer term could potentially~~or put ~~additional~~ pressure on issuers in states with high state and local taxes. These factors as well as more recent volatility in the municipal markets as a result of the COVID-19 related economic downturn and the building budgetary pressures at the state and local level related to the cost of fighting the virus could deprive issuers access to funding at a level necessary to avoid defaulting on their obligations.

In addition, a judicial decision in connection with the PRHTA Title III proceedings could cause the loss reserves on our public finance credits to be underestimated. On January 13, 2020, the U.S. Supreme Court denied a petition for certiorari arising out of an appeal toof the March 26, 2019, ruling by the U.S. Court of Appeals for the First Circuit. In the ruling, the First Circuit affirmed the decision by the U.S. District Court overseeing the PROMESA Title III proceedings for the PRHTA, which found that under Sections 928(a) and 922(d) of the U.S. Bankruptcy Code, municipal issuers

of revenue bonds secured by special revenues are permitted, but not required, to apply special revenues to pay debt service on such revenue bonds during the pendency of bankruptcy proceedings for such municipal issuers. The First Circuit's decision challenges what had been a commonly understood notion in the municipal finance marketplace that municipal ~~revenues~~revenue bondholders secured by special revenues (as defined in Chapter 9 of the U.S. Bankruptcy Code) would continue to receive payment during a bankruptcy of the municipal issuer. This decision introduces uncertainty into the public finance market and it may make it more difficult for municipal instrumentalities to procure revenue bond financings in the future and increases the credit risk to bondholders of existing special revenue bonds, particularly those from weaker issuers.

While our loss reserves consider our judgment regarding issuers’ financial flexibility to adapt to adverse markets, they may not adequately capture sudden, unexpected or protracted uncertainty that adversely affects market conditions, such as the developing COVID-19 related economic ~~downturn.~~impact.

Our exposures to the Commonwealth of Puerto Rico are under stress arising from the Commonwealth’s ~~poor~~weak financial condition ~~weak~~and economy, loss of capital markets access, ~~and~~ the severe damage caused by hurricanes Irma and ~~Maria.~~Maria and other natural disasters as well as a narrow view on available debt capacity being taken by the Oversight Board and Commonwealth government. These factors, taken together with the payment moratorium on debt ~~payments~~service of the Commonwealth and its ~~instrumentalities,~~instrumentalities; ongoing PROMESA Title III ~~proceedings, and~~proceedings; certain other provisions under ~~PROMESA, the potential for~~PROMESA; expected restructurings of debt insured by ~~Ambac Assurance,~~ AAC,

either with or without its ~~consent,~~consent; uncertainty with regards to AAC's valuation of the CVI; and the possibility of protracted litigation as a result of which ~~its~~our rights may be materially impaired, may cause losses to exceed current reserves in a material manner. See "Financial Guarantees in Force" section of Management’s Discussion and Analysis of Financial Condition and Results of Operations included in Part II, Item 7 in the Company’s Annual Report on Form 10-K for the year ended December 31, ~~2019~~2020, for further details on the legal, economic and fiscal developments that have impacted or may impact ~~Ambac Assurance’s~~AAC’s insured Puerto Rico bonds. In this Form 10-Q, refer to "Financial Guarantees in Force" in Part I, Item 2 in Management's Discussion and Analysis of Financial Condition and Results of Operation, ~~and~~ Note ~~11.~~6. Financial Guarantee Insurance Contracts to the Unaudited Consolidated Financial Statements and Note 12. Commitments and Contingencies to the Unaudited Consolidated Financial Statements for further updates related to Puerto Rico.

Material additional losses on our public finance credits caused by the aforementioned factors, ~~and~~ including the possibility of a protracted recovery related to the COVID-19 crisis would have a material adverse effect on our results of operations and financial condition. For the public finance credits, including Puerto Rico, for which we have an estimate of expected loss at March 31, ~~2020,~~2021, the possible increase in loss reserves could be approximately ~~$1,220 million.~~$660. However, there can be no assurance that losses may not exceed ~~such amount.~~our stress case estimates. Among other things, this estimate includes the possibility that the amended Commonwealth plan of adjustment (as discussed above in the Financial Guarantees in Force section of this Management Discussion and Analysis) were to become effective.

Student Loan Variability:

Changes to assumptions that could make our reserves under-estimated include, but are not limited to, increases in interest rates, default rates and loss severities on the collateral due to economic

~~| Ambac Financial Group, Inc.~~ 63~~2020 First Quarter FORM 10-Q~~ |

or other factors, including the COVID-19 related economic ~~downturn.~~impact. Such factors may include lower recoveries on defaulted loans or additional losses on collateral or trust assets, including as a result of any enforcement actions by the Consumer Finance Protection Bureau. For student loan credits for which we have an estimate of expected loss at March 31, ~~2020,~~2021, the possible increase in loss reserves could be approximately ~~$35 million.~~$25. Additionally, an increase in interest rates of 0.50% could increase our estimate of expected losses by approximately ~~$20 million.~~$20. Additionally, the student loan portfolio is sensitive to COVID-19 related payment moratoriums and delinquencies caused by the general economic downturn. There can be no assurance that losses may not exceed our stress case estimates.

Other Credits, including Ambac UK, Variability:

It is possible our loss reserves on other types of credits, including those insured by Ambac UK, may be under-estimated because of various risks that vary widely, including the risk that we may not be able to recover or mitigate losses through our remediation processes. For all other credits, including Ambac UK, for which we have an estimate of expected loss, the sum of all the highest stress case loss scenarios is approximately ~~$400 million~~$380 greater than the loss reserves at March 31, ~~2020.~~2021. Additionally, our loss reserves may be under-estimated as a result of the ultimate scope, duration

| Ambac Financial Group, Inc. 612021 First Quarter FORM 10-Q |

and magnitude of the effects of COVID-19. There can be no assurance that losses may not exceed our stress case estimates.

Long-term Debt:

Long-term debt consists of ~~senior and junior~~ surplus notes issued by ~~Ambac Assurance,~~AAC, the Ambac Note and Tier 2 Notes issued in connection with the Rehabilitation Exit Transactions, and Ambac UK debt issued in connection with the 2019 Ballantyne commutation. The carrying value of each of these as of March 31, ~~2020~~2021 and December 31, ~~2019~~2020 is below:


	March 31, 2021		December 31, 2020
Surplus notes (1)	$	709	$	778

Ambac note	1,626		1,641
Tier 2 notes	312		306
Ambac UK debt	14		14


Total Long-term Debt	$	2,661	$	2,739

($ in millions) March 31,
2020 December 31, 2019
Surplus notes ⁽¹⁾
$ 778
$ 769
Ambac note 1,685
1,763
Tier 2 notes 284
278
Ambac UK debt 13
13
Total Long-term Debt $ 2,760
$ 2,822
(1)Includes junior surplus notes as of December 31, 2020. All junior surplus notes were acquired and retired in the first quarter of 2021.


~~(1)~~	~~Includes junior surplus notes.~~

The decrease in long-term debt from December 31, ~~2019 is primarily due to optional redemptions of $77 million~~2020, resulted form the impacts of the surplus notes exchanges of $71 and optional Ambac Note redemption of $16, partially offset by the accretion on the carrying value of surplus notes, Tier 2 Notes and Ambac UK debt.

VARIABLE INTEREST ENTITIES

Please refer to Note 3. Variable Interest Entities to the Unaudited Consolidated Financial Statements included in Part I, Item 1 in this Form 10-Q and Note 2. Basis of Presentation and Significant Accounting Policies and Note 3.4. Variable Interest Entities to the Consolidated Financial Statements, included in Part II, Item 8 in the Company’s Annual Report on Form 10-K for the year ended December 31, ~~2019,~~2020, for information regarding variable interest entities.

ACCOUNTING STANDARDS

The following accounting standards ~~have~~has been issued but ~~have~~has not yet been adopted. We do not expect ~~these standards~~this standard to have a consequential impact on Ambac's financial statements.

~~Defined Benefit~~Convertible Instruments and ~~Other Postretirement Plans Disclosures~~Contracts in an Entity's Own Equity

In August ~~2018,~~2020, the FASB issued ASU ~~2018-14,~~2020-06, ~~Compensation - Retirement Benefits - Defined Benefit Plans - General (Subtopic 715-20) - Disclosure Framework - Changes to the Disclosure Requirements~~Accounting for ~~Defined Benefit Plans~~Convertible Instruments and Contracts in an Entity's Own Equity. The ASU ~~modifies various disclosure requirements~~i) simplifies the accounting for ~~employers that sponsor defined benefit pension or other postretirement plans. Relevant~~convertible debt and convertible preferred stock by reducing the number of accounting models, and amends certain disclosures, ~~that will be removed are: i) amounts~~ii) amends and simplifies the derivative scope exception guidance for contracts in ~~accumulated other comprehensive income expected to be recognized as net periodic benefit cost over~~an entity's own equity, including share-based compensation, and iii) amends the ~~next fiscal year~~diluted earnings per share calculations for convertible instruments and ~~ii) the effects of a one percentage point change~~contracts in assumed health care cost trend rates on the (a) aggregate of the service and interest cost components of the net periodic pension cost and (b) benefit obligation for postretirement healthcare benefits. Relevant disclosures that will be added are an ~~explanation of the reasons for significant gains and losses related to changes in the benefit obligations for the period.~~entity's own equity. The ASU is effective for fiscal years ending after December 15, ~~2020,~~2021, with early adoption permitted. ~~The modified disclosures must be applied on a retrospective basis for all periods presented. Ambac will adopt this ASU on December 31, 2020~~

~~Simplifying Income Tax Accounting~~

~~In December 2019, the FASB issued ASU 2019-12,~~ ~~Income Taxes (Topic 740) - Simplifying the Accounting for Income Taxes~~. The FASB issued this ASU as part of its initiative to reduce complexity in accounting standards. The ASU removes certain exceptions in the guidance related to investments, intraperiod allocations and interim period allocations. It further adds new guidance related to the allocation of consolidated income taxes and evaluating a step-up in the tax basis of goodwill. The ASU is effective for fiscal years beginning after December 15, 2020, with early adoption permitted. The modified disclosures must be applied on a retrospective basis for all periods presented. Ambac will adopt this ASU on January 1, ~~2021.~~2022.

Please refer to Note 2. Basis of Presentation and Significant Accounting Policies to the Consolidated Financial Statements, included in Part II, Item 8 in the Company’s Annual Report on

Form 10-K for the year ended December 31, ~~2019,~~2020, for a discussion of the impact of other recent accounting pronouncements on Ambac’s financial condition and results of operations.

~~AMBAC ASSURANCE~~U.S. INSURANCE STATUTORY BASIS FINANCIAL RESULTS ($ in million)

~~Ambac Assurance statutory~~AFG's U.S. insurance subsidiaries prepare financial statements ~~are prepared on the basis of~~under accounting practices prescribed or permitted by ~~the OCI. OCI recognizes only statutory accounting practices prescribed or permitted by the State of Wisconsin~~its domiciliary state regulator (“SAP”) for determining and reporting the financial condition and results of operations of an insurance ~~company for determining its solvency under Wisconsin Insurance Law.~~company. The National Association of Insurance Commissioners (“NAIC”) Accounting Practices and Procedures manual (“NAIC SAP”) ~~has been~~is adopted as a component of prescribed practices by ~~the State of Wisconsin.~~each domiciliary state. For further information, see "Ambac Assurance Statutory Basis

~~| Ambac Financial Group, Inc.~~ 64~~2020 First Quarter FORM 10-Q~~ |

Financial Results," in Part II, Item 7. "Management's Discussion and Analysis of Financial Condition and Results of Operations," and Note 8.9. Insurance Regulatory Restrictions to the Consolidated Financial Statements included in Part II, Item 8 in the Company’s Annual Report on Form 10-K for the year ended December 31, ~~2019.~~2020.

Ambac ~~Assurance’s~~Assurance Corporation

AAC’s statutory policyholder surplus and qualified statutory capital (defined as the sum of policyholders surplus and mandatory contingency reserves) were ~~$930 million~~$733 and ~~$1,465 million~~$1,288 at March 31, ~~2020,~~2021, respectively, as compared to ~~$1,088 million~~$865 and ~~$1,618 million~~$1,413 at December 31, ~~2019,~~2020, respectively. As of March 31, ~~2020,~~2021, statutory policyholder surplus and qualified statutory capital included ~~$574 million~~$853 principal balance of surplus notes outstanding ~~$365 million principal balance of junior surplus notes outstanding~~ and $138 ~~million~~ liquidation preference of preferred stock outstanding. These surplus ~~and junior surplus~~ notes ~~(including~~(in addition to related accrued interest of ~~$489 million~~$571 that is not recorded under statutory basis accounting principles), preferred stock ~~issued by Ambac Assurance~~ and all other liabilities (including insurance claims and ~~debt issued by~~the Ambac ~~Assurance)~~Note and Tier 2 Notes) are obligations that, individually and collectively, have claims on the resources of ~~Ambac Assurance~~AAC that are senior to AFG's equity and therefore ~~impact~~impede AFG's ability to realize residual value and/or receive dividends from ~~Ambac Assurance.~~AAC.

The significant drivers to the net decrease in policyholder surplus are ~~primarily due to a (i)~~ statutory net ~~loss~~losses of ~~$93 million~~$153 for the three months ended March 31, ~~2020; (ii) decrease~~2021, partially offset by net investment gains of ~~$35 million~~$20 recorded directly through surplus.

AAC statutory surplus and therefore AFG's ability to realize residual value and/or dividends from declines in the fair value of investment securities that are recorded at the lower of amortized cost or fair value; (iii) decrease of $21 million from net losses on pooled fund investments; and (iv) contributions to contingency reserves of $5 million.

~~Ambac Assurance statutory surplus~~AAC is sensitive to multiple factors, including: (i) loss reserve development, (ii) approval by OCI of payments on surplus notes and junior surplus notes, (iii) ongoing interest costs associated with the Ambac Note and Tier 2 Notes, including changes to interest rates as the Ambac Note is a floating rate obligation, (iv) deterioration in the financial position of Ambac Assurance subsidiaries that have their obligations guaranteed by Ambac Assurance, (v) first time payment defaults of insured obligations, which increase statutory loss reserves, (vi) commutations of insurance policiessettlements or credit derivative contracts at amounts that differ from the amount of liabilities recorded, (vii) reinsurance contract terminations at amounts that differ from net assets recorded, (viii) changes to the fair value of investments carried at fair value and investment impairments, (ix) settlementsother resolutions of representation and warranty breach claims at amounts that differ from amounts recorded, including failures to collect such amounts or receive recoveries sufficient to pay or redeem obligations of AAC, including the Ambac Note and Tier 2 Notes, (iii) approval by OCI of payments on surplus notes, (iv) ongoing interest costs associated with the Ambac Note and Tier 2 Notes, including changes to interest rates as the Ambac Note is a floating rate obligation, (v) deterioration in the financial position of AAC subsidiaries that have their obligations guaranteed by AAC, (vi) first time payment defaults of insured obligations, which increase statutory loss reserves, (vii) commutations of insurance policies or credit derivative contracts at amounts that

| Ambac Financial Group, Inc. 622021 First Quarter FORM 10-Q |

differ from the amount of liabilities recorded, (viii) reinsurance contract terminations at amounts that differ from net assets recorded, (ix) changes to the fair value of pooled fund and other investments carried at fair value, (x) realized gains and losses, including losses arising from other than temporary impairments of investment securities, and (xi) future changes to prescribed ~~practices~~practices.

Everspan Indemnity Insurance Company

Everspan Indemnity Insurance Company’s statutory policyholder surplus was $107 at March 31, 2021, as compared to $26 at December 31, 2020.

The significant drivers to the increase in policyholder surplus were capital contributions of $82 partially offset by operating expenses during the ~~OCI.~~three months ended March 31, 2021.

AMBAC UK FINANCIAL RESULTS UNDER UK ACCOUNTING PRINCIPLES (£ in millions)

Ambac UK is required to prepare financial statements under FRS 102 "The Financial Reporting Standard applicable in the UK and Republic of Ireland." Ambac UK’s shareholder funds under UK GAAP were ~~£380 million~~£420 at March 31, ~~2020,~~2021, as compared to

~~£387 million~~ £412 at December 31, ~~2019.~~2020. At March 31, ~~2020,~~2021, the carrying value of cash and investments was ~~£464 million, a decrease~~£485, an increase from ~~£470 million~~£481 at December 31, ~~2019.~~2020. The ~~decrease~~increase in shareholders’ funds and cash &and investments was primarily due to ~~losses in the period within Ambac UK's investment portfolio, offset by foreign exchange gains and~~ the continued receipt of ~~premiums.~~premiums and investment income, partially offset by loss expenses, foreign exchange losses, operating expenses and tax payments.

Ambac UK is also required to prepare financial information in accordance with the Solvency II Directive. The basis of preparation of this information is significantly different from both US GAAP and UK GAAP.

Available capital resources under Solvency II were a surplus of ~~£163 million~~£222 at March 31, ~~2020,~~2021, of which ~~£149 million~~£212 were eligible to meet solvency capital requirements. This is ~~a reduction~~an increase from December 31, ~~2019,~~2020, when available capital resources were a surplus of ~~£188 million~~£196 of which ~~£178 million~~£184 were eligible to meet solvency capital requirements. ~~The eligible~~Eligible capital resources at March 31, ~~2020,~~2021, and December 31, ~~2019,~~2020, were in comparison to regulatory capital requirements of ~~£243 million~~£246 and ~~£208 million~~£256, respectively. Therefore, Ambac UK ~~is therefore~~remains deficient in terms of compliance with applicable regulatory capital requirements by ~~£94 million~~£35 and ~~£30 million~~£72 at March 31, ~~2020,~~2021, and December 31, ~~2019,~~2020, respectively. The deficit ~~increased~~reduced as at March 31, ~~2020~~2021, due to an increase in ~~regulatory~~eligible capital ~~requirements for non-life insurers in the credit and surety line of business and due to a reduction eligible assets~~resources mainly caused by the ~~fall~~increase over the period in long term discount ~~rates.~~rates which reduced the value of technical provision liabilities over the quarter. The regulators are aware of the deficiency in capital resources as compared to capital requirements and dialogue between Ambac UK management and its regulators remains ongoing with respect to options for addressing the shortcoming, although such options remain few.

NON-GAAP FINANCIAL MEASURES

In addition to reporting the Company’s quarterly financial results in accordance with GAAP, the Company currently reports two non-GAAP financial measures: Adjusted Earnings and Adjusted Book Value. The most directly comparable GAAP measures are net income attributable to common stockholders for Adjusted Earnings and Total Ambac Financial Group, Inc. stockholders’ equity for Adjusted Book Value. A non-GAAP financial measure is a numerical measure of financial performance or financial position that excludes (or includes) amounts that are included in (or excluded from) the most directly comparable measure calculated and presented in accordance with GAAP. We are presenting these non-GAAP financial measures because they provide greater transparency and enhanced visibility into the underlying drivers of our business. Adjusted Earnings and Adjusted Book Value are not substitutes for the Company’s GAAP reporting, should not be viewed in isolation and may differ from similar reporting provided by other companies, which may define non-GAAP measures differently.

Ambac has a significant U.S. tax net operating loss (“NOL”) that is offset by a full valuation allowance in the GAAP consolidated financial statements. As a result of this and other considerations, we utilized a 0% effective tax rate for non-GAAP adjustments; which is subject to change.

The following paragraphs define each non-GAAP financial measure and describe why it is useful. A reconciliation of the ~~non-~~

~~| Ambac Financial Group, Inc.~~ 65~~2020 First Quarter FORM 10-Q~~ |

~~GAAP~~non-GAAP financial measure and the most directly comparable GAAP financial measure is also presented below.

Adjusted Earnings (Loss). Adjusted Earnings (Loss) is defined as net income (loss) attributable to common stockholders, as reported under GAAP, adjusted on an after-tax basis for the following:

•Non-credit impairment fair value (gain) loss on credit derivatives: Elimination of the non-credit impairment fair value gains (losses) on credit derivatives, which is the amount in excess of the present value of the expected estimated credit losses. Such fair value adjustments are affected by, and in part fluctuate with changes in market factors such as interest rates and credit spreads, including the market’s perception of Ambac’s credit risk (“Ambac CVA”), and are not expected to result in an economic gain or loss. These adjustments allow for all financial guarantee contracts to be accounted for consistent with the Financial Services – Insurance Topic of ASC, whether or not they are subject to derivative accounting rules.

•

~~Non-credit impairment fair value (gain) loss on credit derivatives:~~

•Insurance intangible amortization: Elimination of the amortization of the financial guarantee insurance intangible asset that arose as a result of Ambac’s emergence from bankruptcy and the implementation of Fresh Start reporting. This adjustment ensures that all financial guarantee contracts are accounted for consistent with the provisions of the Financial Services – Insurance Topic of the ASC. Elimination of the non-credit impairment fair value gains (losses) on credit derivatives, which is the amount in excess of the present value of the expected estimated credit losses. Such fair value adjustments are affected by, and in part fluctuate with changes in market factors such as interest rates and credit spreads, including the market’s perception of Ambac’s credit risk (“Ambac CVA”), and are not expected to result in an economic gain or loss. These adjustments allow for all financial guarantee contracts to be accounted for consistent with the Financial Services – Insurance Topic of ASC, whether or not they are subject to derivative accounting rules.

•Foreign exchange (gains) losses: Elimination of the foreign exchange gains (losses) on the re-measurement of assets, liabilities and transactions in non-functional currencies. This

•

~~Insurance intangible amortization:~~

| Ambac Financial Group, Inc. 632021 First Quarter FORM 10-Q |

adjustment eliminates the foreign exchange gains (losses) on all assets, liabilities and transactions in non-functional currencies, which enables users of our financial statements to better view the results without the impact of fluctuations

in foreign currency exchange rates and facilitates period-to-period comparisons of Ambac's operating performance.

Elimination of the amortization of the financial guarantee insurance intangible asset that arose as a result of Ambac’s emergence from bankruptcy and the implementation of Fresh Start reporting. This adjustment ensures that all financial guarantee contracts are accounted for consistent with the provisions of the Financial Services – Insurance Topic of the ASC.

•

~~Foreign exchange (gains) losses:~~ Elimination of the foreign exchange gains (losses) on the re-measurement of assets, liabilities and transactions in non-functional currencies. This adjustment eliminates the foreign exchange gains (losses) on all assets, liabilities and transactions in non-functional currencies, which enables users of our financial statements to better view the results without the impact of fluctuations in foreign currency exchange rates and facilitates period-to-period comparisons of Ambac's operating performance.

The following table reconciles net income (loss) attributable to common stockholders to the non-GAAP measure, Adjusted Earnings (loss) on a dollar amount and per diluted share basis, for all periods presented:


	Three Months Ended March 31,
	2021				2020
($ in millions, except share data)	$ Amount		Per Diluted Share (1)		$ Amount		Per Diluted Share
Net income (loss) attributable to common stockholders	$	17	$	0.08	$	(280)	$	(6.07)
Adjustments:
Non-credit impairment fair value (gain) loss on credit derivatives	—		—		2		0.03

Insurance intangible amortization	19		0.40		13		0.29


Foreign exchange (gains) losses	5		0.11		—		—




Adjusted earnings (loss)	$	41	$	0.59	$	(265)	$	(5.75)

Three Months Ended March 31,
2020 2019
($ in millions, except share data) $ Amount Per Diluted Share $ Amount Per Diluted Share
Net income (loss) attributable to common stockholders $ (280 ) $ (6.07 ) $ (43 ) $ (0.94 )
Adjustments:
Non-credit impairment fair value (gain) loss on credit derivatives 2
0.03
—
(0.01 )
Insurance intangible amortization 13
0.29
36
0.79
Foreign exchange (gains) losses —
—
(2 ) (0.04 )
Adjusted earnings (loss) $ (265 ) $ (5.75 ) $ (9 ) $ (0.20 )
(1) Per Diluted share includes the impact of adjusting redeemable noncontrolling interest to its redemption value

Adjusted Book Value. Adjusted Book Value is defined as Total Ambac Financial Group, Inc. stockholders’ equity as reported under GAAP, adjusted for after-tax impact of the following:

•Non-credit impairment fair value losses on credit derivatives: Elimination of the non-credit impairment fair value loss on credit derivatives, which is the amount in excess of the present value of the expected estimated economic credit loss. GAAP fair values are affected by, and in part fluctuate with, changes in market factors such as interest rates, credit spreads, including Ambac’s CVA that are not expected to result in an economic gain or loss. These adjustments allow for all financial guarantee contracts to be accounted for within Adjusted Book Value consistent with the provisions of the Financial Services—Insurance Topic of the ASC, whether or not they are subject to derivative accounting rules.

•

~~Non-credit impairment fair value losses on credit derivatives:~~ Elimination of the non-credit impairment fair value loss on credit derivatives, which is the amount in excess of the present value of the expected estimated economic credit loss. GAAP fair values are affected by, and in part fluctuate with, changes in market factors such as interest rates, credit spreads, including Ambac’s CVA that are not expected to result in an economic gain or loss. These adjustments allow for all financial guarantee contracts to be accounted for within Adjusted Book Value consistent with the provisions of the Financial Services—Insurance Topic of the ASC, whether or not they are subject to derivative accounting rules.


•	Insurance intangible asset: Elimination of the financial guarantee insurance intangible asset that arose as a result of Ambac’s emergence from bankruptcy and the implementation of Fresh Start reporting. This adjustment ensures that all financial guarantee contracts are accounted for within Adjusted Book Value consistent with the provisions of the Financial Services—Insurance Topic of the ASC.

•

•Net unearned premiums and fees in excess of expected losses: Addition of the value of the unearned premium Addition of the value of the unearned premium revenue ("UPR") on financial guarantee contracts, in excess of expected losses, net of reinsurance. This non-GAAP adjustment presents the economics of UPR and expected losses for financial guarantee contracts on a consistent basis. In accordance with GAAP, stockholders’ equity reflects a reduction for expected losses only to the extent they exceed UPR. However, when expected losses are less than UPR for a financial guarantee contract, neither expected losses nor UPR have an impact on stockholders’ equity. This non-GAAP adjustment adds UPR in excess of expected losses, net of reinsurance, to stockholders’ equity for financial guarantee contracts where expected losses are less than UPR.

•

~~Net unrealized investment (gains) losses in Accumulated Other Comprehensive Income:~~Elimination of the unrealized gains and losses on the Company’s investments that are recorded as a component of accumulated other comprehensive income (“AOCI”). The AOCI component of the fair value adjustment on the investment portfolio may differ from realized gains and losses ultimately recognized by the Company based on the Company’s investment strategy. This adjustment only allows for such gains and losses in Adjusted Book Value when realized.

revenue ("UPR") on financial guarantee contracts, in excess of expected losses, net of reinsurance. This non-GAAP adjustment presents the economics of UPR and expected losses for financial guarantee contracts on a consistent basis. In accordance with GAAP, stockholders’ equity reflects a reduction for expected losses only to the extent they exceed UPR. However, when expected losses are less than UPR for a financial guarantee contract, neither expected losses nor UPR have an impact on stockholders’ equity. This non-GAAP adjustment adds UPR in excess of expected losses, net of reinsurance, to stockholders’ equity for financial guarantee contracts where expected losses are less than UPR.

•Net unrealized investment (gains) losses in Accumulated Other Comprehensive Income:Elimination of the unrealized gains and losses on the Company’s investments that are recorded as a component of accumulated other comprehensive income (“AOCI”). The AOCI component of the fair value adjustment on the investment portfolio may differ from realized gains and losses ultimately recognized by the Company based on the Company’s investment strategy. This adjustment only allows for such gains and losses in Adjusted Book Value when realized.

| Ambac Financial Group, Inc. 6664 ~~2020~~2021 First Quarter FORM 10-Q|

The following table reconciles Total Ambac Financial Group, Inc. stockholders’ equity to the non-GAAP measure Adjusted Book Value on a dollar amount and per share basis, for all periods presented:


	March 31, 2021				December 31, 2020
($ in millions, except share data)	$ Amount		Per Share		$ Amount		Per Share
Total Ambac Financial Group, Inc. stockholders’ equity	$	1,063	$	23.02	$	1,080	$	23.57
Adjustments:
Non-credit impairment fair value losses on credit derivatives	—		0.01		—		0.01

Insurance intangible asset	(356)		(7.71)		(373)		(8.14)


Net unearned premiums and fees in excess of expected losses	343		7.42		378		8.24
Net unrealized investment (gains) losses in Accumulated Other Comprehensive Income	(142)		(3.08)		(166)		(3.63)

Adjusted book value	$	908	$	19.66	$	919	$	20.05

March 31, 2020 December 31, 2019
($ in millions, except share data) $ Amount Per Share $ Amount Per Share
Total Ambac Financial Group, Inc. stockholders’ equity $ 1,002
$ 21.88
$ 1,477
$ 32.41
Adjustments:
Non-credit impairment fair value losses on credit derivatives 2
0.04
—
0.01
Insurance intangible asset (406 ) (8.87 ) (427 ) (9.37 )
Net unearned premiums and fees in excess of expected losses 420
9.17
414
9.09
Net unrealized investment (gains) losses in Accumulated Other Comprehensive Income (5 ) (0.11 ) (151 ) (3.31 )
Adjusted book value $ 1,012
$ 22.11
$ 1,313
$ 28.83

The decrease in Adjusted Book Value was primarily attributable to the $13 reduction to retained earnings from the increase to the carrying value of redeemable NCI and the impact on expected future premiums from reinsurance and de-risking transactions, partially offset by the Adjusted Earnings for the three months ended March 31, ~~2020, and the impact of changes~~2021 (excluding earned premium previously included in ~~foreign exchange rates resulting from the strengthening of the US Dollar.~~Adjusted Book Value).

Factors that impact changes to Adjusted Book Value include many of the same factors that impact Adjusted Earnings, including the majority of revenues and expenses, but generally exclude components of premium earnings since they are embedded in prior period's Adjusted Book Value through the net unearned premiums and fees in excess of expected losses adjustment. Net unearned premiums and fees in excess of expected losses will affect Adjusted Book Value for (i) changes to future premium assumptions (e.g. expected term, interest rates, foreign currency rates, time ~~passage,~~passage), (ii) changes to expected losses for policies which do not exceed their related unearned premiums and (iii) new reinsurance transactions.


~~Item 3.~~	~~Quantitative and Qualitative Disclosures about Market Risk~~

Item 3. Quantitative and Qualitative Disclosure About Market ~~risk represents the potential for losses that may result from~~Risk'

As of March 31, 2021, there were no material changes in the ~~value of a financial instrument as a result of changes in market conditions. The primary~~ market risks that ~~would impact~~ the value of Ambac’s financial instruments are interest rate risk, credit spread risk and foreign currency risk. As a result of declines in interest rates and increases in credit spreads during the three months ended March 31, 2020, relatedCompany is exposed to the impact of the COVID-19 pandemic, along with portfolio adjustments during the period, the sensitivities of Ambac's financial instruments have changed from those disclosed in our Annual Report on Form 10-K for the year endedsince December 31, ~~2019.~~2020.

~~Interest Rate Risk:~~

~~Financial instruments for which fair value may be affected by changes in interest rates consist primarily of fixed income investment securities, long-term debt~~Item 4. Controls and interest rate derivatives. Fixed income investment securities that are guaranteed by Ambac have interest rate risk characteristics that behave inversely to those associated with future financial guarantee claim payments. Accordingly, such securities are excluded from the interest rate sensitivity table that follows. Financial instruments of VIEs that are consolidated as a result of Ambac financial guarantees are also excluded from Ambac's measures of interest rate risk. Changes in fair value resulting from changes in interest rates are driven primarily by the impact of interest rate shifts on the fixed incomeProcedures.

investment portfolio (which produce net fair value losses as rates increase), long-term debt and the interest rate derivatives portfolio (which produce net fair value gains as rates increase). Interest rate increases would also have a negative economic impact on expected future claim payments within the financial guarantee portfolio, primarily related to RMBS and student loan policies. Ambac performs scenario testing to measure the potential for losses in volatile markets. These scenario tests include parallel and non-parallel shifts in the benchmark interest rate curve.

The interest rate derivatives portfolio is managed as a partial economic hedge against the effects of rising interest rates elsewhere in the Company, including on Ambac's financial guarantee exposures (the "macro-hedge"). At March 31, 2020, the interest rate sensitivity of the interest rate derivatives portfolio attributable to the macro-hedge position would produce mark-to-market gains or losses of approximately $0.1 million for a 1 basis point parallel shift in USD benchmark interest rates up or down at March 31, 2020. This sensitivity is down from $0.4 million per 1 basis point shift at December 31, 2019.

The following table summarizes the estimated change in fair value (based primarily on the valuation methodology discussed in Note 7. Fair Value Measurements to the Unaudited Consolidated Financial Statements included in Part I, Item 1 in this Form 10-Q) on these financial instruments, assuming immediate changes in interest rates at specified levels at March 31, 2020:

($ in millions) Estimated Change in Net Fair Value Estimated Net Fair Value
300 basis point rise $ (4 ) $ (310 )
200 basis point rise (2 ) (308 )
100 basis point rise 6
(300 )
Base scenario —
(306 )
100 basis point decline⁽¹⁾
23
(283 )
200 basis point decline⁽¹⁾
47
(259 )


~~(1)~~	~~Incorporates an interest rate floor of 0%.~~

~~Due to the low interest rate environment as of March 31, 2020, stress scenarios involving interest rate declines greater than 200 basis points are not meaningful to Ambac's portfolios.~~

~~| Ambac Financial Group, Inc.~~ 67~~2020 First Quarter FORM 10-Q~~ |

~~Credit Spread Risk~~

Financial instruments that may be adversely affected by changes in credit spreads include Ambac’s outstanding credit derivative contracts, certain interest rate derivatives and investment assets. Changes in spreads are generally caused by changes in the market’s perception of the credit quality of the underlying obligor. Market liquidity and prevailing risk premiums demanded by market participants are also reflected in spreads and impact valuations.

The following table summarizes the estimated change in fair values on Ambac’s net derivative liabilities assuming immediate parallel shifts in reference obligation credit spreads related to written credit derivatives and counterparty credit spreads related to uncollateralized interest rate derivatives at March 31, 2020. It is more likely that actual changes in credit spreads will vary by obligor:

($ in millions) Estimated Change in Net Fair Value Estimated Net Fair Value
250 Basis Point Widening $ (22 ) $ (71 )
50 Basis Point Widening (5 ) (54 )
Base Scenario —
(49 )
50 basis Point Narrowing 5
(44 )
250 basis Point Narrowing 23
(26 )

Also included in the fair value of derivatives is the effect of Ambac’s creditworthiness, which reflects market perception of Ambac’s ability to meet its obligations. Generally, the need for an Ambac credit valuation adjustment is mitigated by the existence of collateral posting agreements under which adequate collateral has been posted. Derivative contracts entered into with credit exposure to financial guarantee customers are not typically subject to collateral posting agreements. As a result of runoff of uncollateralized interest rate and credit default swap liabilities, Ambac’s credit valuation adjustment included in the determination of fair value has resulted in $0.1 million reduction to derivative liabilities as of March 31, 2020. Refer to Note 7. Fair Value Measurements to the Unaudited Consolidated Financial Statements included in Part I, Item 1 in this Form 10-Q for further information on measurement of the credit valuation adjustment.

Ambac’s fixed income investment portfolio contains securities with different sensitivities to and volatility of credit spreads. Fixed income securities that are guaranteed by Ambac and were purchased in Ambac's investment portfolio have credit spread risk characteristics that behave inversely to those associated with future financial guarantee claim payments. Accordingly such securities are excluded from the company's spread sensitivity measures. The following table summarizes the estimated change in fair values of Ambac’s fixed income investment portfolio assuming immediate shifts in credit spreads across all holdings other than Ambac guaranteed securities at March 31, 2020. It is more likely that actual changes in credit spreads will vary by security:

($ in millions) Estimated Change in Net Fair Value Estimated Net Fair Value
250 Basis Point Widening $ (146 ) $ 1,998
50 Basis Point Widening (29 ) 2,115
Base Scenario —
2,144
50 Basis Point Narrowing 29
2,173
250 Basis Point Narrowing 129
2,273


~~Item 4.~~	~~Controls and Procedures.~~

In connection with the preparation of this first quarter Form 10-Q, an evaluation was carried out by Ambac’s management, with the participation of Ambac’s Chief Executive Officer and Chief Financial Officer, of the effectiveness of Ambac’s disclosure controls and procedures (as defined in rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934) as of the end of the period covered by this Quarterly Report on Form 10-Q. Management recognizes that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving their objectives. Based on its evaluation, Ambac’s Chief Executive Officer and Chief Financial Officer have concluded that, as of March 31, ~~2020,~~2021, Ambac’s disclosure controls and procedures were effective.

There were no changes in the Company’s internal control over financial reporting that occurred during the quarter ended March 31, ~~2020~~2021, that materially affected, or are reasonably likely

to materially affect, the Company’s internal control over financial reporting. We have not experienced any significant change to our internal controls over financial reporting despite the fact that our employees are working remotely due to the COVID-19 pandemic. We are continually monitoring and assessing the COVID-19 situation on our internal controls to minimize the impact on their design and operating effectiveness.

PART II. OTHER INFORMATION


~~Item 1.~~	~~Legal Proceedings~~

Item 1. Legal Proceedings

Please refer to Note ~~11.~~12. Commitments and Contingencies of the Unaudited Consolidated Financial Statements located in Part I, Item 1 in this Form 10-Q and Note 17: Commitments and Contingencies in Part II, Item 8 in the Company’s Annual Report on Form 10-K for the year ended December 31, ~~2019~~2020 for a discussion on legal proceedings against Ambac and its subsidiaries.

~~| Ambac Financial Group, Inc.~~ 68~~2020 First Quarter FORM 10-Q~~ |

Item 1A. Risk Factors

You should carefully consider the risk factors set forth in the “Risk Factors” section, Item 1A to Part I in our Annual Report on Form 10-K for the year ended December 31, ~~2019,~~2020, which are hereby incorporated by reference. These important factors may cause our actual results to differ materially from those indicated by our forward-looking statements, including those contained in this report. Please also see the section entitled “Cautionary Statement Pursuant to the Private Securities Litigation Reform Act of 1995” in the “Management’s Discussion and Analysis of Financial Condition and Results of Operations” section of this quarterly report on Form 10-Q. There have been no material changes to the risk factors we have disclosed in the “Risk Factors” section of our aforementioned Annual Report on Form 10-K, ~~other than~~except as ~~described~~noted below.

~~Risks Related~~Our inability to ~~Insured Portfolio Losses~~

~~Catastrophic public health events like~~realize the ~~COVID-19 pandemic that result~~expected recoveries included in ~~material disruption of economic activity can have a materially negative~~our financial statements could adversely impact ~~on the~~our liquidity, financial performance of issuers of public finance obligations and issuers of structured finance obligations. Such stresses could result in liquidity claims and/or permanent losses on obligations of those issuers insured by Ambac.

The emergence of the COVID-19 pandemic and the resulting containment measures have caused economic and financial disruptions that have adversely affected, and are expected to continue to materially adversely affect, our businesscondition and results of ~~operations.~~operations and the value of our securities, including the Secured Notes and Tier 2 Notes.

AAC is pursuing claims in litigation with respect to certain RMBS transactions that it insured. These claims are based on, among other things, representations with respect to the characteristics of the securitized loans, the absence of borrower fraud in the underlying loan pools or other misconduct in the

| Ambac ~~insures~~Financial Group, Inc. 652021 First Quarter FORM 10-Q |

origination process, the compliance of loans with the prevailing underwriting policies, and compliance of the RMBS transaction counterparties with policies and procedures related to loan origination and securitization. In such cases, where contract claims are being pursued, the sponsor of the transaction is contractually obligated to repurchase, cure or substitute collateral for any loan that breaches the representations and warranties. However, generally the sponsors have not honored those obligations and have vigorously defended claims brought against them.

As of March 31, 2021, we have estimated RMBS R&W subrogation recoveries of $1,722 (net of reinsurance) included in our financial statements. These estimated recoveries are based on the contractual claims brought in the aforementioned litigations and represent a probability-weighted estimate of amounts we expect to recover under various possible scenarios. The estimated recoveries we have recorded do not represent the best or the worst possible outcomes with respect to any particular transaction or group of transactions.

There can be no assurance that AAC will be successful in prosecuting its claims in the RMBS litigations. The outcome of any litigation, including the RMBS litigations, is inherently unpredictable, including because of risks intrinsic in the adversarial nature of litigation. Motions made to the court, rulings and appeals - in the cases being prosecuted by AAC or in other relevant cases - could delay or otherwise impact any recovery by AAC. Moreover, rulings that may be adverse to AAC (in any of its RMBS litigations, as well as in other RMBS cases in which it is not a party, including an unrelated RMBS case with an appeal currently pending at the New York Court of Appeals involving issues relevant to AAC’s breach of contract claims) could adversely affect AAC’s ability to pursue its claims or the amount or timing of any recovery, or negatively alter settlement dynamics with RMBS litigation defendants. Any litigation award or settlement may be for an amount less than the amount necessary (even when combined with other pledged collateral) to pay the Secured Notes or the Tier 2 Notes, which could have a material adverse effect on our financial condition or results of operations and make it more difficult for AAC to repay the Ambac Note (and therefore make it more difficult for the issuer of the Secured Notes to repay the Secured Notes) and/or the Tier 2 Notes and/or AAC’s outstanding surplus notes, on a timely basis or at all. In the event that AAC is unable to satisfy its obligations with respect to the Ambac Note (and therefore make it more difficult for the issuer of the Secured Notes to satisfy its obligations in respect of the Secured Notes) or the Tier 2 Notes, holders will have the right to foreclose on any available collateral and to sue AAC for failure to make required payments; however, there can be no assurance that the sale of collateral will produce proceeds in an amount sufficient to pay any or all amounts due on the Secured Notes or the Tier 2 Notes, as the case may be, or that holders will be successful in any litigation seeking payments from AAC. Additionally, while AAC may pursue settlement negotiations, there can be no assurance that any settlement negotiations will materialize or that any settlement agreement can be reached on terms acceptable to AAC, or at all. Depending on the length of time required to resolve these litigations, either through settlement or at trial, AAC could incur greater litigation expenses than currently projected. If a case is brought to trial, AAC’s

ultimate recovery would be subject to the additional risks inherent in any trial, including adverse findings or determinations by the trier of fact or the court, which could adversely impact the value of our securities, including the Secured Notes and the Tier 2 Notes.

Any litigation award is subject to risks of recovery, including that a defendant is unable to pay a judgment that AAC may obtain in litigation. In some instances, AAC also has claims against a parent or an acquirer of the counterparty. However, AAC may not be successful in enforcing its claims against any successor entity.

The RMBS litigations could also be adversely affected if AAC does not have sufficient resources to actively prosecute its claims or becomes subject to rehabilitation, liquidation, conservation or dissolution, or otherwise impaired by actions of OCI.

Our ability to realize the estimated RMBS R&W subrogation recoveries included in our financial statements and the time of the recoveries, if any, is subject to significant uncertainty, including the risks described above and uncertainties inherent in the assumptions used in estimating such recoveries. The amount of these subrogation recoveries is significant and if we were unable to recover all such amounts, our stockholders’ equity as of March 31, 2021 would decrease from $1,123 to $(599).

We expect to recover material amounts of claims payments through remediation measures including the litigation described above as well as through cash flows in the securitization structures of transactions that AAC insures. Realization of such expected recoveries is subject to various risks and uncertainties, including the rights and defenses of other parties with interests that conflict with AAC’s interests, the performance of the collateral and assets backing the obligations that AAC insures, and the performance of servicers involved in securitizations in which AAC participates as insurer. Additionally, our ability to realize recoveries in insured transactions may be impaired if the continuing orders of the Rehabilitation Court are not effective.

Adverse developments with respect to any of the factors described above may cause our recoveries to fall below expectations, which could have a ~~number~~material adverse effect on our financial condition, including our capital and liquidity, and may result in adverse consequences such as impairing the ability of ~~issuers~~AAC to honor its financial obligations; the initiation of rehabilitation proceedings against AAC; decreased likelihood of AAC delivering value to AFG, through dividends or otherwise; diminished business prospects due to third party concerns about our ability to recover losses; and a significant drop in the value of securities issued or insured by AFG or AAC, including the Secured Notes and the Tier 2 Notes.

AAC insures obligations of the Commonwealth of Puerto Rico, including certain of its authorities and public corporations that are either subject to a Title III bankruptcy protection proceeding under the Puerto Rico Oversight, Management and Stability Act ("PROMESA") or have ~~been, or~~otherwise suspended debt service payments. AAC has made and may continue to be required to make significant amounts of policy payments over the next several years, the recoverability of which is subject to great uncertainty, which may lead to material permanent losses. While we believe our reserves are adequate to cover losses on Puerto Rico insured bonds, there can be no assurance that AAC

| Ambac Financial Group, Inc. 662021 First Quarter FORM 10-Q |

may not incur additional losses in the future, ~~be, substantially affected by~~particularly given the uncertainty related to the ongoing Title III proceedings and the developing economic, ~~effects~~political and legal circumstances in Puerto Rico. Such losses may have a material adverse effect on AAC’s results of ~~COVID-19, such~~operation and financial condition.

AAC has exposure to the Commonwealth of Puerto Rico (the "Commonwealth"), including its authorities and public corporations. Each has its own credit risk profile attributable to, as ~~municipalities~~applicable, discrete revenue sources, direct general obligation pledges and/or general obligation guarantees. AAC had approximately $1,067 of net par exposure to the Commonwealth and ~~securitizations,~~these instrumentalities at March 31, 2021. Components of the overall Puerto Rico net par outstanding include capital appreciation bonds that are reported at the par amount at the time of issuance of the related insurance policy as opposed to the current accreted value of the bonds. The outstanding net insured amount including ~~those backed by consumer loans such as mortgages or student loans.~~ accretion on capital appreciation bonds is approximately $1,282 at March 31, 2021. Total net insured debt service outstanding (net par and interest) to the Commonwealth and its instrumentalities was approximately $2,486 at March 31, 2021.

As a result of the developments described ~~more fully~~ in ~~Management's~~this Risk Factor and elsewhere in this Quarterly Report on Form 10-Q (see Part I, Item 2, Management’s Discussion and Analysis of Financial Condition and Results of Operations municipalities and their authorities, agencies and instrumentalities, especially those dependent on narrow revenue streams flowing from particular economic activities, have suffered, and are expected to continue to suffer, from severely depressed revenues due to shelter-in-place orders, social distancing guidelines, travel bans and restrictions, and business shutdowns and an economic recession brought about by the COVID-19 pandemic. Furthermore, securitizations dependent on cash flows from payments on mortgage loans, student loans or other assets have experienced, and are expected to continue to experience, shortfalls in receipts due to borrower nonpayments. ~~See Part I, Item 2 of this Form 10-Q, Management's Discussion and Analysis of Financial Condition and Results of Operations,Executive Summary,~~ - Financial Guarantees in Force, and ~~Balance Sheet Commentary for further detail.~~

~~The U.S. Federal government~~Note 6. Financial Guarantee Insurance Contracts to the Unaudited Consolidated Financial Statements included in Part I, Item 1 in this Quarterly Report on Form 10-Q), the Commonwealth and ~~other governments globally have taken~~ certain ~~measures~~of its instrumentalities are continuing to aid consumers, businesses, State and local governments, and the financial markets, but the impact of such aid remains unclear. U.S. Federal and State governments and their agencies have also adopted policies or guidelines to provide emergency relief to consumers, such as limiting debt collections efforts and encouraging or requiring extensions, modifications or forbearance, with respect to certain loans and fees. Such policies or guidelines may be expanded over time as the economic effects of the pandemic become more well known. To the extent such measures cause greater incidences of missed mortgage loan,

~~student loan or other~~default on debt service payments, ~~than would have occurred without governmental intervention, Ambac~~including payments owed on bonds insured by AAC. AAC has made, and may ~~experience higher losses~~continue to be required to make, significant amounts of policy payments over the next several years, the recoverability of which is subject to great uncertainty, which may lead to material permanent losses. Our exposure to Puerto Rico is impacted by the amount of monies available for debt service, which is in ~~its insured portfolio of asset-backed securities.~~

~~The ultimate impact of a catastrophic public health event like COVID-19 on issuers and their obligations, and the economy in general, is by its very nature uncertain, and will be determined~~turn affected by a number of factors including ~~but not limited~~variability in economic growth and demographic trends, tax revenues, changes in law or the effects thereof, essential services expense, federal funding of Commonwealth needs as well as interpretation of legislation, legal documents, and updated financial information (when available).

Substantial uncertainty also exists with respect to the depth and duration of the crisis; the extent to which affected consumers, businesses, municipal entities and other debtors or sources of revenues recover from depressed economic circumstances, and the timelinesultimate outcome for such recoveries; the level and efficacy of government support for municipal entities, consumers, businesses and the financial markets via emergency relief measures; the level and efficacy of state and local government support for consumers and businesses; the impact of governmental intervention; management of public health crisis remediation efforts; and certain socio-economic variables, such as unemployment levels. Consequently, if issuers do not have sufficient resources or financial flexibility, receive adequate measures of support or realize the appropriate level of economic recovery, their ultimate ability to service the debt insured by Ambac could be materially impaired and Ambac could suffer material permanent losses.

At this time, there are significant uncertainties surrounding the ultimate number of claims and the extent of losses Ambac will face as a result of the economic effects of the COVID-19 pandemic. Actual losses may vary materially from Ambac's loss and loss expense reservescreditors in Puerto Rico due to the ~~factors~~March 8, 2021, Second Amended Title III Joint Plan of Adjustment of the Commonwealth ("Second Amended POA") or changes thereto as well as legislation enacted by the Commonwealth and the United States, including PROMESA, as well as actions taken in reliance on such laws, including Title III filings. AAC is involved in multiple litigations relating to such actions and other issues and may not be successful in pursuing claims or protecting its interests.

Given the numerous uncertainties and risks existing with respect to the restructuring process, outcomes associated with the February 23, 2021, Second Amended Plan Support Agreement between the Oversight Board, as representative of the Commonwealth of Puerto Rico, PBA, and the Employee Retirement System of the Government of the Commonwealth of Puerto Rico, and a group of creditors reported to represent 70% of

all GO and PBA bonds claims ("Second Amended PSA"), the March 8, 2021, Second Amended POA, the May 5, 2021, agreement with the Oversight Board and two monoline financial guaranty companies (the "PRHTA/CCDA PSA"), or any changes thereto under the aforementioned plans and agreements and relevant litigation, no assurance can be given that ultimate debt service discounts will not be very severe and cause AAC to experience losses materially exceeding current reserves. It is possible that certain restructuring process solutions, together with associated legislation, budgetary, and/or public policy proposals could be adopted and could significantly further impair our exposures. In addition, there are possible final legal determinations, including failing to recognize or properly differentiate legal structures and protections applicable to such exposures, that could result in losses exceeding our current reserves by a material amount and further increases to our loss reserves. In particular, in a Title III process, should court-approved plans of adjustment for the Commonwealth, the Puerto Rico Highways and Transportation Authority ("PRHTA"), the Puerto Rico Public Buildings Authority ("PBA") or any other issuers of AAC’s insured debt that may or may not file for Title III protection contemplate discounts to debt service implied by, or even worse than, the newly certified Commonwealth fiscal plan (April 23, 2021) (the “Commonwealth Fiscal Plan”) or AAC receive unfavorable judgments in the litigations to which it is a party, AAC’s financial condition would be materially adversely affected.

For example, the Second Amended PSA provides for lower Commonwealth debt service payments per annum relative to the Plan Support Agreement signed in February 2020 (Amended PSA), extends the tenor of new recovery bonds, increases the amount of cash distributed to creditors, and provides additional consideration in the form of a contingent value instrument ("CVI"). This CVI is intended to provide creditors with additional returns tied to outperformance of the Puerto Rico Sales and Use Tax ("SUT") against certified 2020 Commonwealth Fiscal Plan projections. More specifically, fixed consideration as part of the Second Amended POA includes a combination of cash, new GO current interest bonds as well as new GO capital appreciation bonds. Recovery derived from fixed consideration is estimated to vary between approximately 67% and 77% (as of petition date) for GO creditors, and between approximately 75% and 80% (as of petition date) for PBA creditors.

Under the May 5, 2021, PRHTA/CCDA PSA, consideration for revenue bond creditors such as PRHTA, CCDA, or Puerto Rico Infrastructure Financing Authority ("PRIFA") Special Tax Revenue ("Rum Tax") bonds, on account of their deficiency claims ("Clawback claims") against the Commonwealth, consists of CVI tied to the outperformance of the SUT against the certified 2020 Commonwealth Fiscal Plan projections. Overall, CVI recoveries are subject to a lifetime cap of 75% of deficiency amounts. The value of the Clawback CVI is uncertain given the contingent, outperformance-driven structure of the instrument coupled with the likely back-ended aspects for the majority of the potential cash flows. In addition, under the PRHTA/CCDA PSA, the PRHTA creditors would receive 'hard currency' in the form of new PRHTA bonds totaling $1,245 and $389 of cash proceeds, including a $264 interim distribution, payable at the effective date of the Commonwealth plan of adjustment, and $125 of restriction

| Ambac Financial Group, Inc. 672021 First Quarter FORM 10-Q |

fees and consummation costs. Of the $264 interim cash distribution, $184.8 will be allocated to holders of PRHTA '68 bonds and $79.2 will be allocated to holders of PRHTA '98 bonds. Of the $1,245 in new PRHTA bonds, approximately $646.4 will be allocated to holders of PRHTA '68 bonds and approximately $598.6 will be allocated to holders of PRHTA '98 bonds. Claim recovery expectations for PRHTA creditors under the PRHTA/CCDA PSA agreement are uncertain and subject to interpretation due to the aforementioned uncertainty related to the value of the Clawback CVI.

Under the PRHTA/CCDA PSA, CCDA creditors would also receive $112 of cash, inclusive of up to $15 related to restriction fees and consummation costs, payable at the effective date of the Commonwealth plan of adjustment. PRIFA was not part of the PRHTA/CCDA PSA and, consequently, there are no additional recoveries provided for in the agreement for PRIFA beyond the proposed treatment of deficiency claims.

It is unclear how details under the agreements and plans described above may change. If the Second Amended POA was confirmed in its current form, AAC’s financial condition would be materially adversely affected. It is also possible that economic or demographic outcomes may be as, or worse than, forecasted in the Commonwealth Fiscal Plan or under proposals or plans promulgated by the Commonwealth or its instrumentalities in or in connection with a Title III process or otherwise. Even a negotiated restructuring to which AAC agrees as part of mediation or other process may involve material losses in excess of current reserves. While our reserving scenarios reflect a wide range of possible outcomes reflecting the significant uncertainty regarding future developments and outcomes, given our exposure to Puerto Rico and the ~~inherent~~economic, fiscal, legal and political uncertainties ~~in estimating~~associated therewith, our loss reserves may ultimately prove to be insufficient to cover our losses, ~~given the evolving nature of the pandemic~~potentially by a material amount, and ~~its~~may be subject to material volatility. Changes to our loss reserves may have a material adverse impact on issuers of Ambac insured debt and the economy in general. Potential ultimate losses from the economic consequences of the COVID-19 pandemic could be material and therefore may have an adverse effect on ourAAC’s results of operations and financial condition.


~~Item 2.~~	Item 2. Unregistered Sales of Equity Securities and Use of Proceeds (a) Unregistered Sales of Equity Securities ~~and Use of Proceeds~~


~~(a)~~	~~Unregistered Sales of Equity Securities~~ — ~~No matters require disclosure~~.No matters require disclosure. (b) Purchases of Equity Securities By the Issuer and Affiliated Purchasers


~~(b)~~	~~Purchases of Equity Securities By the Issuer and Affiliated Purchasers~~

The following table summarizes Ambac's share purchases during the first quarter of ~~2020.~~2021. When restricted stock unit awards issued by Ambac vest or settle, they become taxable compensation to employees. For certain awards, shares may be withheld to cover the employee's portion of withholding taxes. In the first quarter of ~~2020,~~2021, Ambac purchased shares from employees that settled restricted stock units to meet employee tax withholdings.


	Jan-2021		Feb-2021		Mar-2021		First Quarter 2021
Total Shares Purchased (1)	32,010		318		312,381		344,709
Average Price Paid Per Share	$	15.38	$	14.42	$	17.03	$	16.87
Total Number of Shares Purchased as Part of Publicly Announced Plan (1)	—		—		—		—
Maximum Number of Shares That may Yet be Purchased Under the Plan	—		—		—		—

(1) There were no other repurchases of equity securities made during the three months ended March 31, 2021. Ambac does not have a stock repurchase program.

Item 3. Defaults Upon Senior Securities — No matters require disclosure.

Item 5. Other Information — No matters require disclosure.

| Ambac Financial Group, Inc. 6968 ~~2020~~2021 First Quarter FORM 10-Q|

Item 6. Exhibits

January 2020 February 2020 March 2020 First Quarter 2020
Total Shares Purchased ⁽¹⁾
14,496
—
118,466
132,962
Average Price Paid Per Share $ 21.76
$ —
$ 19.81
$ 20.02
Total Number of Shares Purchased as Part of Publicly Announced Plan ⁽¹⁾
—
—
—
—
Maximum Number of Shares That may Yet be Purchased Under the Plan —
—
—
—


~~(1)~~	~~There were no other repurchases of equity securities made during the three months ended March 31, 2020. Ambac does not have a stock repurchase program.~~


~~Item 3.~~	~~Defaults Upon Senior Securities —~~ ~~No matters require disclosure~~.


~~Item 5.~~	~~Other Information —~~ ~~No matters require disclosure~~.


~~Item 6.~~	~~Exhibits~~



Exhibit Number						Description
Other exhibits, filed or furnished, as indicated:
10.1+						Form of ~~2020~~2021 Restricted Stock Unit Award Agreement between Ambac Financial Group, Inc. and Messrs. LeBlanc, Trick and Ksenak.
10.2+						~~Form~~F orm of ~~2020~~ 202 1 Restricted Stock Unit Award Agreement between Ambac Financial Group, Inc. and ~~Messrs.~~Messrs . Barranco, Eisman, Reilly and Ms. Smith.
10.3+						Form of ~~2020~~2021 Performance Stock Unit Award Agreement between Ambac Financial Group, Inc. and Messrs. LeBlanc, Trick and Ksenak.
10.4+						Form of ~~2020~~2021 Performance Stock Unit Award Agreement between Ambac Financial Group, Inc. and Messrs. Barranco, Eisman, Reilly and Ms. Smith.
31.1+						Certification of Chief Executive Officer Pursuant to Rules 13a-14(a) and 15d-14(a) Promulgated under the Securities Exchange Act of 1934, as amended.
31.2+						Certification of Chief Financial Officer Pursuant to Rules 13a-14(a) and 15d-14(a) Promulgated under the Securities Exchange Act of 1934, as amended.
32.1++						Certification of Chief Executive Officer and Chief Financial Officer Pursuant to 18 U.S.C. Section 1350 as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101.INS						XBRL Instance Document - the instance document does not appear in the interactive Data File because its XBRL tags are embedded within the Inline XBRL document.
101.SCH						XBRL Taxonomy Extension Schema Document.
101.CAL						XBRL Taxonomy Extension Calculation Linkbase Document.
101.LAB						XBRL Taxonomy Extension Label Linkbase Document.
101.PRE						XBRL Taxonomy Extension Presentation Linkbase Document.
101.DEF						XBRL Taxonomy Extension Definition Linkbase Document.
104						Cover Page Interactive Data File - The cover page interactive data file does not appear in the Interactive Data File because its XBRL tags or embedded within the Inline XBRL document

						+ Filed herewith. ++ Furnished herewith.

~~| Ambac Financial Group, Inc.~~ 70~~2020 First Quarter FORM 10-Q~~ |

SIGNATURES

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


				AMBAC FINANCIAL GROUP, INC.

Dated:			May 10, 2021	~~AMBAC FINANCIAL GROUP, INC.~~
By:
~~Dated:~~	~~May 11, 2020~~	~~By:~~	/S/ DAVID TRICK
				Name:	David Trick
				Title:	Chief Financial Officer and Treasurer (Duly Authorized Officer and Principal Financial Officer)

| Ambac Financial Group, Inc. 7169 ~~2020~~2021 First Quarter FORM 10-Q|



	March 31, 2020						December 31, 2019
	Ambac UK		Ambac Assurance		Total VIEs		Ambac UK		Ambac Assurance		Total VIEs
Fixed income securities, at fair value:
Corporate obligations, fair value option	$	2,806	$	—	$	2,806	$	2,957	$	—	$	2,957
Municipal obligations, available-for-sale ⁽¹⁾	—		122		122		—		164		164
Total FG VIE fixed income securities, at fair value	2,806		122		2,928		2,957		164		3,121
Restricted cash	1		1		2		1		1		2
Loans, at fair value⁽²⁾	2,932		—		2,932		3,108		—		3,108
Derivative assets	62		—		62		52		—		52
Other assets	—		1		1		1		2		3
Total FG VIE assets	$	5,801	$	124	$	5,925	$	6,119	$	167	$	6,286

Accrued interest payable	$	—	$	—	$	—	$	1	$	—	$	1
Long-term debt:
Long-term debt, at fair value ⁽³⁾	4,092		—		4,092		4,351		—		4,351
Long-term debt, at par less unamortized discount	—		171		171		—		203		203
Total long-term debt	4,092		171		4,263		4,351		203		4,554
Derivative liabilities	1,610		—		1,610		1,657		—		1,657
Total FG VIE liabilities	$	5,702	$	171	$	5,873	$	6,009	$	203	$	6,212
Number of FG VIEs consolidated	6		1		7		6		1		7



	Carrying Value of Assets and Liabilities
	Maximum Exposure To Loss ⁽¹⁾		Insurance Assets ⁽²⁾		Insurance Liabilities ⁽³⁾		Net Derivative Assets (Liabilities) ⁽⁴⁾
March 31, 2020:
Global structured finance:
Mortgage-backed—residential	$	5,063	$	2,075	$	609	—
Other consumer asset-backed	1,276		30		235		—
Other commercial asset-backed	100		3		2		—
Other	1,046		6		18		9
Total global structured finance	7,485		2,114		864		9
Global public finance	22,533		285		329		(2		)
Total	$	30,018	$	2,399	$	1,193	$	7

December 31, 2019:
Global structured finance:
Mortgage-backed—residential	$	5,373	$	1,913	$	523	$	—
Other consumer asset-backed	1,373		31		216		—
Other commercial asset-backed	314		9		6		—
Other	1,107		7		18		8
Total global structured finance	8,165		1,961		762		8
Global public finance	23,341		287		321		—
Total	$	31,506	$	2,247	$	1,083	$	7



	Unrealized Gains (Losses) on Available for Sale Securities ⁽¹⁾			Amortization of Postretirement Benefit ⁽¹⁾			Gain (Loss) on Foreign Currency Translation ⁽¹⁾			Credit Risk Changes of Fair Value Option Liabilities ^{(1) (2)}			Total
Three Months Ended March 31, 2020:
Beginning Balance	$	151		$	8		$	(116	)	$	(2	)	$	42
Other comprehensive income (loss) before reclassifications	(139		)	(2		)	(46		)	—			(187		)
Amounts reclassified from accumulated other comprehensive income (loss)	(7		)	—			—			3			(4		)
Net current period other comprehensive income (loss)	(146		)	(2		)	(46		)	3			(191		)
Balance at March 31, 2020	$	5		$	6		$	(162	)	$	2		$	(149	)

Three Months Ended March 31, 2019:
Beginning Balance	$	86		$	9		$	(142	)	$	(2	)	$	(49	)
Other comprehensive income (loss) before reclassifications	73			1			15			—			89
Amounts reclassified from accumulated other comprehensive income (loss)	(17		)	—			—			—			(17		)
Net current period other comprehensive income (loss)	56			—			15			—			71
Balance at March 31, 2019	$	142		$	9		$	(127	)	$	(2	)	$	23



	Future Premiums to be Collected ⁽¹⁾		Future Premiums to be Earned Net of Reinsurance ⁽²⁾
Three months ended:
June 30, 2020	$	12	$	10
September 30, 2020	10		10
December 31, 2020	10		10
Twelve months ended:
December 31, 2021	37		36
December 31, 2022	35		34
December 31, 2023	34		32
December 31, 2024	32		30
Five years ended:
December 31, 2029	142		125
December 31, 2034	104		83
December 31, 2039	52		38
December 31, 2044	23		14
December 31, 2049	9		5
December 31, 2054	1		1
Total	$	501	$	428



Beginning balance ⁽¹⁾	$	9
Current period provision ⁽²⁾	5
Write-offs of the allowance	—
Recoveries of previously written-off amounts	—
Ending balance	$	14



Amortization expense ^{(1) (2)}
2020 (nine months)	$	33
2021	39
2022	35
2023	32
2024	29
Thereafter	239



Level 3 - Investments by Class:
	Three Months Ended March 31,
Other Asset Backed Securities	2020			2019
Balance, beginning of period	$	72		$	72
Total gains/(losses) realized and unrealized:
Included in earnings	—			—
Included in other comprehensive income	(6		)	—
Purchases	—			—
Issuances	—			—
Sales	—			—
Settlements	—			—
Balance, end of period	$	66		$	72
The amount of total gains/(losses) included in earnings attributable to the change in unrealized gains or losses relating to assets and liabilities still held at the reporting date	$	—		$	—
The amount of total gains/(losses) included in other comprehensive income attributable to the change in unrealized gains or losses relating to assets and liabilities still held at the reporting date	(6		)



Level 3 - Derivatives by Class:
	Three Months Ended March 31, 2020									Three Months Ended March 31, 2019
	Interest Rate Swaps			Credit Derivatives			Total Derivatives			Interest Rate Swaps			Credit Derivatives			Total Derivatives
Balance, beginning of period	$	67		$	—		$	66		$	47		$	(1	)	$	46
Total gains/(losses) realized and unrealized:
Included in earnings	13			(1		)	12			8			—			8
Included in other comprehensive income	—			—			—			—			—			—
Purchases	—			—			—			—			—			—
Issuances	—			—			—			—			—			—
Sales	—			—			—			—			—			—
Settlements	(1		)	—			(1		)	(1		)	—			(1		)
Balance, end of period	$	79		$	(2	)	$	77		$	54		$	(1	)	$	53
The amount of total gains/(losses) included in earnings attributable to the change in unrealized gains or losses relating to assets and liabilities still held at the reporting date	$	13		$	(2	)	$	12		$	8		$	—		$	8



	Amortized Cost		Allowance for Credit Losses		Gross Unrealized Gains in AOCI		Gross Unrealized Losses in AOCI		Estimated Fair Value
March 31, 2020:
Fixed income securities:
Municipal obligations	$	196	$	—	$	23	$	1	$	218
Corporate obligations ⁽¹⁾	1,284		—		18		42		1,261
Foreign obligations	41		—		1		—		42
U.S. government obligations	168		—		10		—		177
Residential mortgage-backed securities	207		—		14		19		203
Commercial mortgage-backed securities	51		—		1		1		51
Collateralized debt obligations	144		—		—		11		132
Other asset-backed securities	277		—		14		8		283
	2,367		—		81		81		2,367
Short-term	586		—		—		—		586
	2,953		—		81		81		2,952
Fixed income securities pledged as collateral:
Short-term	85		—		—		—		85
Total collateralized investments	85		—		—		—		85
Total available-for-sale investments	$	3,038	$	—	$	81	$	81	$	3,037



Three Months Ended March 31, 2019
Balance, beginning of period	$	12
Additions for credit impairments recognized on:
Securities not previously impaired	—
Securities previously impaired	—
Reductions for credit impairments previously recognized on:
Securities that matured or were sold during the period	—
Balance, end of period	$	12



	Municipal Obligations		Corporate Obligations ⁽²⁾		Mortgage and Asset- backed Securities		Total		Weighted Average Underlying Rating ⁽¹⁾
March 31, 2020:
Ambac Assurance Corporation	$	181	$	495	$	396	$	1,072	B
National Public Finance Guarantee Corporation	9		—		—		9		BBB-
Total	$	189	$	495	$	396	$	1,081	B

December 31, 2019:
Ambac Assurance Corporation	$	176	$	535	$	442	$	1,153	B-
National Public Finance Guarantee Corporation	11		—		—		11		BBB-
Total	$	187	$	535	$	442	$	1,164	B-



	Fair Value
Class of Funds	March 31, 2020		December 31, 2019		Redemption Frequency	Redemption Notice Period
Real estate properties⁽¹⁾	$	15	$	16	quarterly	10 business days
Hedge funds ⁽²⁾	60		65		quarterly	90 days
High yields and leveraged loans ^{(3) (10)}	57		176		daily	0 - 30 days
Private credit ⁽⁴⁾	47		51		quarterly	180 days if permitted
Insurance-linked investments⁽⁵⁾	3		3		fully redeemed	none
Equity market investments^{(6) (10)}	58		55		daily	0 days
Investment grade floating rate income ⁽⁷⁾	52		66		weekly	0 days
Private equity ⁽⁸⁾	4		—		quarterly	90 days if permitted
Emerging markets debt ^{(9) (10)}	16		—		daily	0 days
Total equity investments in pooled funds	$	312	$	432



	Location of Gain or (Loss) Recognized in Consolidated Statements of Total Comprehensive Income (Loss)	Amount of Gain or (Loss) Recognized in Consolidated Statement of Total Comprehensive Income (Loss)
		Three Months Ended March 31,
		2020			2019
Non-VIE derivatives:
Credit derivatives	Net gains (losses) on derivative contracts	$	(1	)	$	—
Interest rate swaps	Net gains (losses) on derivative contracts	(29		)	(3		)
Futures contracts	Net gains (losses) on derivative contracts	(40		)	(14		)
Total Non-VIE derivatives		$	(70	)	$	(16	)
Variable Interest Entities:
Currency swaps	Income (loss) on variable interest entities	$	10		$	(7	)
Interest rate swaps	Income (loss) on variable interest entities	47			(70		)
Total Variable Interest Entities		57			(77		)
Total derivative contracts		$	(13	)	$	(93	)



NOL Usage Tier	Allocated NOLs			Applicable Percentage
A	The first	$479		15%
B	The next	$1,057	after Tier A	40%
C	The next	$1,057	after Tier B	10%
D	The next	$1,057	after Tier C	15%



($ in millions)
Cash and short-term investments	$	317
Other investments ⁽¹⁾	157
Other net assets ⁽²⁾	8
Total	$	482



($ in millions)
Net income ⁽¹⁾	$	1
Gain (loss) on foreign currency translation	(46		)
Unrealized gains (losses) on non-functional currency available-for-sale securities	11
Impact on total comprehensive income (loss)	$	(34	)



December 31, 2019:
RMBS	$	3,027	$	634	$	(2,013	)	$	(13	)	$	(1,392	)
Domestic Public Finance	2,398		1,007		(344		)	(36		)	627
Student Loans	472		248		(36		)	(4		)	208
Ambac UK and Other Credits	271		4		—			(1		)	3
Loss expenses	—		73		—			—			73
Totals	$	6,168	$	1,966	$	(2,394	)	$	(54	)	$	(482	)



	March 31, 2020					December 31, 2019
Issuer Type ($ in millions)	Gross Par Outstanding ⁽¹⁾		Gross Loss Reserves			Gross Par Outstanding ⁽¹⁾		Gross Loss Reserves
Lease and tax-backed	$	1,380	$	694		$	1,075	$	561
General obligation	636		(17		)	681		(16		)
Housing	456		33			457		29
Transportation revenue	232		47			88		42
Other	144		26			97		11
Total	$	2,848	$	783		$	2,398	$	627



($ in millions)	Estimated Change in Net Fair Value			Estimated Net Fair Value
300 basis point rise	$	(4	)	$	(310	)
200 basis point rise	(2		)	(308		)
100 basis point rise	6			(300		)
Base scenario	—			(306		)
100 basis point decline⁽¹⁾	23			(283		)
200 basis point decline⁽¹⁾	47			(259		)



	January 2020		February 2020		March 2020		First Quarter 2020
Total Shares Purchased ⁽¹⁾	14,496		—		118,466		132,962
Average Price Paid Per Share	$	21.76	$	—	$	19.81	$	20.02
Total Number of Shares Purchased as Part of Publicly Announced Plan ⁽¹⁾	—		—		—		—
Maximum Number of Shares That may Yet be Purchased Under the Plan	—		—		—		—