Document:

Enhance Reinsurance Company Supplemental Pension Plan

 Exhibit 10.40 
 ENHANCE REINSURANCE COMPANY 
 SUPPLEMENTAL PENSION PLAN 
 Amendment 
 WHEREAS, Radian
Reinsurance Inc. (formerly known as Enhance Reinsurance Inc.) (the “Employer”) adopted and sponsored the Enhance Reinsurance Company Supplemental Pension Plan (the “Plan”) for the benefit of such of its employees as are eligible
thereunder; and 
 WHEREAS, Radian Group Inc. (the “Company”) became the sponsor of the Plan, effective February 28, 2001 as a
result of its acquisition of the Employer; and 
 WHEREAS, the Company froze the Plan effective October 31, 2002 to cease to accept new
Plan participants and to cease the accrual of future benefits under the Plan; and 
 WHEREAS, the Company has the authority to amend or
terminate the Plan at any time by action of its Board of Directors; and 
 WHEREAS, the Plan provides for use of the definition of actuarial
equivalence in the Enhance Reinsurance Company Pension Plan; and 
 WHEREAS, the Company desires to amend the Plan to clarify the definition
of actuarial equivalence in light of the termination of the Enhance Reinsurance Company Pension Plan, by describing the underlying assumptions used in operation. 
 NOW, THEREFORE, the Plan is hereby amended in the following respects, effective as of the date indicated: 
  

	1.	Effective January 1, 2008, Section 1.1 is amended in its entirety to read as follows: 

  

	 	“1.1	“Actuarial Equivalent” means a benefit determined on the basis of (i) the average yield on 30-year U.S. Treasury securities for the month of November in the calendar
year prior to the calendar year in which payment is made and (ii) the GATT 2003 mortality table.” 

 IN WITNESS
WHEREOF, Radian Group Inc. has caused this Amendment to be executed on this 9th day of December, 2008. 
  

			
	Radian Group Inc.
		
	By:	 	 /s/ Richard I. Altman

		
	Title:	 	 Chief Administrative OfficerRadian Group Inc. Allocation of Consolidated Tax Liability Agreement

 Exhibit 10.49 
 RADIAN GROUP INC. 
 ALLOCATION OF CONSOLIDATED 
 TAX LIABILITY 
 Each company signing this Agreement, dated effective the 1st day of January 2002, agrees to participate with its
common parent, Radian Group Inc. (“Radian”), in the filing of a consolidated federal income tax return. Radian will be responsible for calculating the amount of federal income taxes owed under this Agreement after giving effect to the
alternative minimum tax. This Agreement replaces and supersedes any prior agreements between or among any of the parties hereto with respect to the filing of a consolidated federal income tax return. 
 WITNESSETH 
 WHEREAS, Radian is the
common parent of an affiliated group of corporations within the meaning of Section 1504(a) of the Internal Revenue Code of 1986, as amended (the “Code”), and Radian and its subsidiaries (collectively, “Subsidiaries”) are
includible corporations of said affiliated group (“Group”); and 
 WHEREAS, all of the includible corporations other than those
Subsidiaries electing “disregarded entity status,” as that term is defined in the Code, will be included in the Group’s consolidated federal income tax returns for the taxable year ended December 31, 2001, and for all future
taxable years for which they are eligible to be so included (“Consolidated Period”); and 
 WHEREAS, the Group will elect and
continue to file consolidated federal income tax returns pursuant to Section 1501(a) of the Code (so long as it is eligible to file such returns under the Code or until such time as they elect not to file such returns in compliance with the
Treasury Department Regulations pursuant to Section 1504 of the Code); 
  

 Page 1 of 17 

 WHEREAS, Radian is the ultimate parent corporation of the Group pursuant to the state insurance holding
company laws under which insurance company members of the Group are regulated; and 
 WHEREAS, state insurance departments in states where
insurance company members of the Group are domiciled require that tax allocation agreements be executed in such circumstances to provide that the domestic insurers that are members of the Group shall be no worse off by filing consolidated returns
with their parent than each would have been had separate income tax returns been filed; 
 NOW, THEREFORE, in consideration of the premises
and of the mutual covenants and agreements hereinafter set forth, the parties hereto agree as follows: 
 1. Consolidated Return Election
and Preparation 
 Radian and Subsidiaries will file consolidated federal income tax returns so long as they are eligible to file such
returns under the Code or until such time as they elect not to file such returns in compliance with the Treasury Department Regulations pursuant to Section 1504 of the Code. Radian and Subsidiaries agree to file such consents, elections and
other documents and take such other action as may be necessary or appropriate to carry out the purposes of this paragraph 1. For any taxable year for which a consolidated federal income tax return is filed, Radian agrees to prepare or cause to be
prepared and to file such return and other appropriate documents as may be necessary on behalf of the Group. 
  

 Page 2 of 17 

 2. Payment Responsibility 
 (a) Each of the Subsidiaries shall compute a separate return tax liability for each taxable year. For purposes of this paragraph 2(a), each
subsidiary’s separate return tax liability for any taxable year shall be equal to the tax liability such subsidiary would have incurred had it never been included in a consolidated federal income tax return with Radian as the common parent and
had it filed a federal income tax return on a separate basis for each such year. The method of computing the separate return tax liability of each of the Subsidiaries shall be consistent with the methods of accounting and depreciation and with any
elections made in computing the consolidated federal income tax liability of the Group. Each of the Subsidiaries shall pay to Radian an amount equal to the separate return tax liability as computed under this paragraph 2(a). 
 (b) If, at the end of any taxable year for which Radian and the Subsidiaries file a consolidated federal income tax return, any individual subsidiary
would have been entitled to carry back a loss or credit to a prior taxable year within the Consolidated Period had that subsidiary filed a separate federal income tax return for such then ended consolidated year and for all prior years, then Radian
shall pay to that subsidiary the difference between (i) such subsidiary’s liability under paragraph 2(a) for the carry back year less (ii) the subsidiary’s liability under paragraph 2(a) in such carry back year recomputed taking
into account such loss or credit. 
  

 Page 3 of 17 

 3. Timing and Method of Payment 
 For taxable years for which consolidated federal income tax returns will be filed, the following provisions shall govern: 
 (a) Payments under paragraph 2(a) by each of the Subsidiaries to Radian shall be made on a quarterly basis (within 30 days of the date on which
installments of estimated tax would have been due had each subsidiary filed its federal income tax return on a separate basis) based on estimates of each subsidiary’s separate return tax liability for the period prepared by each subsidiary and
approved by Radian. Such estimates shall be prepared based on estimates of each individual subsidiary’s tax liability for the current taxable year assuming the subsidiary filed its federal income tax return on a separate basis. However, if the
sum of all payments for any year exceeds a subsidiary’s separate return tax liability for the year, Radian shall, as soon as practicable, but in all events within 30 days after the statutory due date for the consolidated federal income tax
return for such year, pay the excess to such subsidiary. 
 (b) Payments under paragraph 2(b) shall to the extent attributable to a tax
refund from the Internal Revenue Service (“Service”) based upon a timely filed refund claim with respect to a carry back of a loss or credit of a subsidiary, be paid by Radian to that subsidiary within 30 days of the receipt of such refund
by Radian. To the extent such payments are in excess of any refund from the Service, they shall be made by Radian to that subsidiary within 30 days after the statutory due date for the consolidated federal income tax return for the relevant taxable
year. 
 4. Escrow Account 
 (a) Radian shall maintain a separate escrow account for each insurance company, domiciled in the State of New York, that is a member of the Group. Such escrow account will be maintained for each taxable year consisting of assets eligible
for investment by each such insurer in the amount equal to the excess, if any, of (i) the net payments made pursuant to paragraph 2(a) by the 

  

 Page 4 of 17 

 
insurance subsidiary to Radian for the taxable year, over (ii) any payments made by Radian to the Service for the taxable year but limited to the
paragraph 4(a)(i) amount. Payments made by Radian to the Service shall be apportioned to Radian and each of the Subsidiaries in the following manner: the ratio of each company’s individual tax liability to the total of the individual tax
liabilities of all companies. 
 (b) If, for any taxable year, Radian owes a payment to any New York domiciled subsidiary insurer pursuant to
paragraph 2(b), the escrow account for the year to which that subsidiary’s loss or credit is carried back shall be adjusted in the following manner. The escrow account for that taxable year shall now be calculated as equal to the excess of
(i) the amount originally calculated pursuant to paragraph 4(a), over (ii) the amount calculated pursuant to paragraph 2(b) for the taxable year but not in excess of the paragraph 4(a) amount. For insurers domiciled in states other than
New York, any payments required to be made by Radian pursuant to paragraph 2(b) shall be made in accordance with that paragraph up to an amount equal to the paragraph 4(a)(i) amount for the year to which such payment relates. 
 (c) In the case of New York insurer subsidiaries, the excess, if any, of the amount, of the escrow account as computed under paragraph 4(a) for the
taxable year over the amount of the escrow account as computed pursuant to paragraph 4(b) shall be distributed by Radian to the subsidiary to which such excess amount relates at the time as set forth in paragraph 3(b). 
 (d) If an insurance subsidiary for which an escrow account is maintained incurs a loss or credit in any taxable year and such loss or credit pursuant to
law could not be carried back to a particular year for which the escrow account has been maintained 

  

 Page 5 of 17 

 
pursuant to the provisions of this paragraph 4, the funds from the escrow account to the extent attributable to that particular year may be released to
Radian within 30 days after it is determined that such loss or credit cannot be utilized. 
 5. Subsequent Adjustments 
 If any item of income, loss, deduction or credit of any subsidiary is changed or adjusted for any taxable year, then the amount of the payments made under
this Agreement and the escrow account maintained pursuant to paragraph 4 shall be adjusted, in accordance with the principles of this Agreement, to conform with the finally determined item of income, loss, deduction or credit. In addition, interest
and penalties shall be paid, either by or to each subsidiary as appropriate, after taking into account interest and penalties paid by or to the Service. All payments under this paragraph 5 shall be made within 30 days after the final resolution of
any matters with either the Service or a court. 
 6. Determination 
 All determinations required hereunder for each taxable year shall be confirmed by the independent public accounting firm regularly employed by each
subsidiary at the time the return is filed for such year. 
 If the independent public accounting firm regularly employed by Radian is
different from the independent public accounting firm regularly employed by any of the Subsidiaries, then both such firms shall confirm all determinations required hereunder for each taxable year. If both such firms cannot agree to confirm a
determination, they shall choose a third independent public accounting firm and the determination that is confirmed by the majority shall govern. 
  

 Page 6 of 17 

 All determinations shall be binding and conclusive upon the parties for the purpose hereof and all
expenses of such determination shall be borne equally by the parties. 
 7. Interest 
 If payments required by this Agreement are not timely paid, interest shall be accrued on the unpaid payments at the maximum rate from time to time
prescribed by the Code with respect to income tax deficiencies. 
 8. Termination 
 This Agreement shall terminate between Radian and any subsidiary if: 
 (a) Radian and such subsidiary agree in writing to such termination; 
 (b) Radian or the subsidiary’s
membership in the Group ceases or is terminated for any reason whatsoever; or 
 (c) Such subsidiary fails to be included in a consolidated
federal income tax return filed by Radian for any taxable year. 
 The termination of this Agreement as to any subsidiary in accordance with
the provisions of paragraph 8(a), (b) or (c) hereof shall not affect this Agreement as regards Radian and all other Subsidiaries. 
 Notwithstanding the termination of this Agreement pursuant to the provisions of this paragraph 8: 
 (a) the Agreement will remain in
effect with respect to any period of time for the year of termination for which the income of the terminating party must be included in a consolidated federal income tax return of the Group; and 
  

 Page 7 of 17 

 (b) all material, including, but not limited to, returns, supporting schedules, work papers,
correspondence and other documents relating to the consolidated federal income tax return shall be made available by the party in possession of such material to every other party to this Agreement, at such other party’s expense, during regular
business hours. 
 9. Assignability 
 This Agreement shall not be assignable by Radian or any subsidiary. 
 10. Effective Date 

This agreement shall be dated effective January 1, 2002. 
 11. Arbitration 
 Should there arise an irreconcilable difference of opinion between: 
 (a) Radian and one or more of the Subsidiaries, or 
 (b) two or more of the Subsidiaries, 
 as to the interpretation of any matter concerning this Agreement, it is hereby mutually agreed that such
difference shall be submitted to arbitration as the sole remedy available to all parties. Such arbitration shall be in accordance with the rules of the American Arbitration Association and the arbitrators shall have extensive experience in the
insurance industry. The arbitration shall take place in New York, New York. 
 12. Miscellaneous Provisions 
 (a) This Agreement contains the entire understanding of the parties hereto with respect to the subject matter contained herein. No alteration, amendment
or nullification of any of the terms of this Agreement shall be valid unless made by an instrument signed in writing by an authorized officer of each party hereto. 
  

 Page 8 of 17 

 (b) This Agreement has been made in and shall be construed and enforced in accordance with the laws of
the Commonwealth of Pennsylvania from time to time obtaining. 
 (c) This Agreement shall be binding upon and inure to the benefit of each
party hereto and their respective successors in interest. 
 (d) This Agreement may be executed simultaneously in two or more counterparts
each of which shall be deemed an original, but all of which together shall constitute one and the same instrument. 
 (e) All notices and
other communications hereunder shall be deemed to have been duly given if delivered by hand or mailed certified or registered mail, postage prepaid to the offices of Radian at1601 Market Street, Philadelphia, PA 19103, or to such other address as is
given by notice pursuant to this paragraph 11(e). 
 (f) The headings of the paragraph of this Agreement are inserted for convenience only
and shall not constitute a part hereof. 
 (g) The parties shall retain copies of all tax returns, related schedules and work papers and all
material records and other documents until the expiration of the statute of limitations, including any applicable extensions. 
  

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 IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be duly executed and their
respective corporate seals to be affixed hereto, all on the day and year first above written. 
  

							
		 		 	RADIAN GROUP INC.
				
		 		 	By:	 	 /s/ Howard S. Yaruss

				
	ATTEST:	 		 		 	
				
	  
	 		 		 	
			
		 		 	RADIAN GUARANTY, INC.
				
		 		 	By:	 	 /s/ Howard S. Yaruss

				
	ATTEST:	 		 		 	
				
	  
	 		 		 	
			
		 		 	RADIAN INSURANCE INC.
				
		 		 	By:	 	 /s/ Howard S. Yaruss

				
	ATTEST:	 		 		 	
				
	  
	 		 		 	
			
		 		 	CMAC INVESTMENT MANAGEMENT CORP.
				
		 		 	By:	 	 /s/ Howard S. Yaruss

				
	ATTEST:	 		 		 	
				
	  
	 		 		 	

  

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		 		 	 RADIAN ASSET ASSURANCE INC.

				
		 		 	By:	 	 /s/    Bret S. Derman

				
	ATTEST:	 		 		 	
				
	 /s/    Derek Brummer
	 		 		 	
			
		 		 	RADIAN REINSURANCE INC.
				
		 		 	By:	 	 /s/    Bret S. Derman

				
	ATTEST:	 		 		 	
				
	 /s/    Derek Brummer
	 		 		 	
			
		 		 	VAN-AMERICAN COMPANIES, INC.
				
		 		 	By:	 	 /s/    Howard S. Yaruss

				
	ATTEST:	 		 		 	
				
	 /s/    Derek Brummer
	 		 		 	
			
		 		 	VAN-AMERICAN INSURANCE COMPANY
				
		 		 	By:	 	 /s/    Howard S. Yaruss

				
	ATTEST:	 		 		 	
				
	 /s/    Derek Brummer
	 		 		 	
			
		 		 	VAN-AMERICAN INSURANCE AGENCY, INC.
				
		 		 	By:	 	 /s/    Howard S. Yaruss

				
	ATTEST:	 		 		 	
				
	 /s/    Derek Brummer
	 		 		 	

  

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		 		 	VAN-AMERICAN BUSINESS SERVICES
				
		 		 	By:	 	 /s/    Howard S. Yaruss

				
	ATTEST:	 		 		 	
				
	 /s/    Derek Brummer
	 		 		 	
			
		 		 	VANTAGE COAL SALES
				
		 		 	By:	 	 /s/    Howard S. Yaruss

				
	ATTEST:	 		 		 	
				
	 /s/    Derek Brummer
	 		 		 	
			
		 		 	AG INTERMEDIARIES, INC.
				
		 		 	By:	 	 /s/    Bret S. Derman

				
	ATTEST:	 		 		 	
				
	 /s/    Derek Brummer
	 		 		 	
			
		 		 	GUARANTY RISK SERVICES
				
		 		 	By:	 	 /s/    Bret S. Derman

				
	ATTEST:	 		 		 	
				
	 /s/    Derek Brummer
	 		 		 	
			
		 		 	LLS, INC.
				
		 		 	By:	 	 /s/    Bret S. Derman

				
	ATTEST:	 		 		 	
				
	 /s/    Derek Brummer
	 		 		 	

  

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		 		 	CREDIT BASED ASSET SERVICING & SECURITIZATION, INC.
				
		 		 	By:	 	 /s/    Bret S. Derman

				
	ATTEST:	 		 		 	
				
	 /s/    Derek Brummer
	 		 		 	
			
		 		 	CMAC OF ARIZONA
				
		 		 	By:	 	 /s/    Howard S. Yaruss

				
	ATTEST:	 		 		 	
				
	 /s/    Derek Brummer
	 		 		 	
			
		 		 	CMAC OF TEXAS
				
		 		 	By:	 	 /s/    Howard S. Yaruss

				
	ATTEST:	 		 		 	
				
	 /s/    Derek Brummer
	 		 		 	
			
		 		 	AMERIN GUARANTY CORPORATION
				
		 		 	By:	 	 /s/    Howard S. Yaruss

				
	ATTEST:	 		 		 	
				
	 /s/    Derek Brummer
	 		 		 	
			
		 		 	AMERIN RE CORPORATION
				
		 		 	By:	 	 /s/    Howard S. Yaruss

				
	ATTEST:	 		 		 	
				
	 /s/    Derek Brummer
	 		 		 	

  

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		 		 	AMERIN INVESTOR SERVICES CORP.
				
		 		 	By:	 	 /s/    Howard S. Yaruss

				
	ATTEST:	 		 		 	
				
	 /s/    Derek Brummer
	 		 		 	
			
		 		 	RADIAN MORTGAGE REINSURANCE CO.
				
		 		 	By:	 	 /s/    Howard S. Yaruss

				
	ATTEST:	 		 		 	
				
	 /s/    Derek Brummer
	 		 		 	
			
		 		 	RADIANEXPRESS.COM, INC.
				
		 		 	By:	 	 /s/    Howard S. Yaruss

				
	ATTEST:	 		 		 	
				
	 /s/    Derek Brummer
	 		 		 	
			
		 		 	ENHANCE FINANCIAL SERVICES GROUP, INC.
				
		 		 	By:	 	 /s/    Bret S. Derman

				
	ATTEST:	 		 		 	
				
	 /s/    Derek Brummer
	 		 		 	
			
		 		 	ENHANCE REINSURANCE (BERMUDA), LTD.
				
		 		 	By:	 	 /s/    [ILLEGIBLE]

				
	ATTEST:	 		 		 	
				
	 /s/    Pamela McKnight
	 		 		 	

  

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		 		 	ALEGIS GROUP, INC.
				
		 		 	By:	 	 /s/    Bret S. Derman

				
	ATTEST:	 		 		 	
				
	 /s/    Derek Brummer
	 		 		 	
			
		 		 	CREDIT2B.COM, INC.
				
		 		 	By:	 	 /s/    Bret S. Derman

				
	ATTEST:	 		 		 	
				
	 /s/    Derek Brummer
	 		 		 	
			
		 		 	ALEGIS CORPORATION
				
		 		 	By:	 	 /s/    Bret S. Derman

				
	ATTEST:	 		 		 	
				
	 /s/    Derek Brummer
	 		 		 	
			
		 		 	ENHANCE C-BASS RESIDUAL FINANCE CORP.
				
		 		 	By:	 	 /s/    Bret S. Derman

				
	ATTEST:	 		 		 	
				
	 /s/    Derek Brummer
	 		 		 	
			
		 		 	SAFCO SPC FINANCE CORPORATION
				
		 		 	By:	 	 /s/    Bret S. Derman

				
	ATTEST:	 		 		 	
				
	 /s/    Derek Brummer
	 		 		 	

  

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		 		 	SSC MEMBER CORP.
				
		 		 	By:	 	 /s/    Bret S. Derman

				
	ATTEST:	 		 		 	
				
	 /s/    Derek Brummer
	 		 		 	
			
		 		 	SALR MEMBER CORP.
				
		 		 	By:	 	 /s/    Bret S. Derman

				
	ATTEST:	 		 		 	
				
	 /s/    Derek Brummer
	 		 		 	
			
		 		 	LOTTERY RECEIVABLES MEMBER CORP II
				
		 		 	By:	 	 /s/    Bret S. Derman

				
	ATTEST:	 		 		 	
				
	 /s/    Derek Brummer
	 		 		 	
			
		 		 	LOTTERY RECEIVABLES SERIES 1998 A CORP
				
		 		 	By:	 	 /s/    Bret S. Derman

				
	ATTEST:	 		 		 	
				
	 /s/    Derek Brummer
	 		 		 	
			
		 		 	ENHANCE LIFE BENEFITS DEPOSITOR CORP.
				
		 		 	By:	 	 /s/    Bret S. Derman

				
	ATTEST:	 		 		 	
				
	 /s/    Derek Brummer
	 		 		 	

  

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		 		 	ELB MEMBER CORP.
				
		 		 	By:	 	 /s/    Bret S. Derman

				
	 ATTEST:
	 		 		 	
				
	 /s/    Derek Brummer
	 		 		 	
			
		 		 	LOTTERY RECEIVABLES SERIES 1999 CORP.
				
		 		 	By:	 	 /s/    Bret S. Derman

				
	 ATTEST:
	 		 		 	
				
	 /s/    Derek Brummer
	 		 		 	
			
		 		 	HICKS INVESTMENT INC.
				
		 		 	By:	 	 /s/    Bret S. Derman

				
	 ATTEST:
	 		 		 	
				
	 /s/    Derek Brummer
	 		 		 	
			
		 		 	SAFCO SPC SETTLEMENT FINANCE CORP.
				
		 		 	By:	 	 /s/    Bret S. Derman

				
	 ATTEST:
	 		 		 	
				
	 /s/    Derek Brummer
	 		 		 	
			
		 		 	SETTLEMENT SECURITIZATION SERIES 2000 CORP.
				
		 		 	By:	 	 /s/    Bret S. Derman

				
	 ATTEST:
	 		 		 	
				
	 /s/    Derek Brummer
	 		 		 	

  

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 ADDENDUM NO. 1 
 TO 
 RADIAN GROUP INC. ALLOCATION OF CONSOLIDATED 
 TAX LIABILITY AGREEMENT 
 This Addendum No. is made and
entered into as of (date) 2003 by and among Radian Group Inc. and its subsidiaries, and attaches to the Radian Group Inc. Allocation of Consolidated Tax Liability Agreement dated effective as of January 1, 2002 
 Commencing with the 2002 Tax year, the following companies will be included in the Group’s consolidated federal income tax return: 
  

							
		 		 	ASSET RECOVERY SOLUTIONS GROUP INC.
				
		 		 	By:	 	 /s/    [ILLEGIBLE]

				
	 ATTEST:
	 		 		 	
				
	 /s/    Rob Geist
	 		 		 	
			
		 		 	WINDSOR HOLDINGS INC.
				
		 		 	By:	 	 /s/    [ILLEGIBLE]

				
	 ATTEST:
	 		 		 	
				
	 /s/    Rob Geist
	 		 		 	
			
		 		 	RADIAN TITLE INSURANCE INC.
				
		 		 	By:	 	 /s/    Howard S. Yaruss

				
	 ATTEST:
	 		 		 	
				
	 /s/    Derek Brummer
	 		 		 	

  

 Page 1 of 1 

 Addendum No. 2 to the 
 Radian Group Inc. Allocation of 
 Consolidated Tax Liability 
 Radian Group Inc., a corporation organized and existing as an insurance holding company under the laws of the State of Delaware (hereinafter referred to as
“Radian”), and Commonwealth Mortgage Assurance Company of Texas, a corporation organized and existing as an insurance company licensed under the laws of the State of Texas (hereinafter referred to as “CMAC-TX”), enter into the
following addendum to the Radian Group Inc. Allocation of Consolidated Tax Liability (hereinafter referred to as the “Agreement”): 
 The purpose
of this addendum is to provide for the adequate indemnification of CMAC-TX in the event the Internal Revenue Service levies upon its assets for unpaid taxes in excess of the amount paid under the Agreement. 
 Therefore, within sixty (60) days of the completion and filing of the consolidated tax return, Radian agrees to use the assets and resources
at its disposal to support the below mentioned guarantees and warranties to benefit CMAC-TX, and/or its policyholders or its successors: 
  

	 	a.	Radian agrees that with respect to this and future tax years, CMAC-TX will pay no more tax liability and will receive no less tax refund than CMAC-TX would if it had been filing
separate federal income tax returns for all periods in which it will be included in this tax consolidation; and 

  

	 	b.	Radian will indemnify CMAC-TX if any of CMAC-TX’s assets are restricted, controlled or levied upon by the IRS for taxes due from the consolidated tax return in excess of the
federal income tax liability otherwise owed by CMAC- 

 TX. 
 IN WITNESS WHEREOF, Radian and CMAC-TX have caused this addendum to be signed in their corporate names on this      day of
        , 2003. 
  

			
	RADIAN GROUP INC.
		
	By:	 	 /s/    Roy J. Kasmar

		 	Roy J. Kasmar
		 	President

  

 Page 3 of 1 

			
	COMMONWEALTH MORTGAGE ASSURANCE COMPANY OF TEXAS
		
	By:	 	 /s/    Howard S. Yaruss

		 	Howard S. Yaruss
		 	Executive Vice President, Secretary & General Counsel

  

 Page 4 of 1 

 ADDENDUM NO. 3 
 TO 
 RADIAN GROUP INC. ALLOCATION OF COSOLIDATED 
 TAX LIABILITY AGREEMENT 
 This Addendum No. 3 is
made and entered into as of January 31, 2005, by and among Radian Group Inc. and its subsidiaries, and attaches to the Radian Group Inc. Allocation of Consolidated Tax Liability Agreement dated effective as of January 1, 2002. 

Commencing with the 2003 tax year, the following companies will be included in the Group’s consolidated federal income tax return: 
  

			
	RADIAN ASSET SECURITIES INC.
		
	By:	 	 /s/    Bret S. Derman

		 	Senior Vice President
		
	Attest:	 	 /s/    Janet P. Moore

  

 Page 5 of 1 

 ADDENDUM NO. 4 
 TO 
 RADIAN GROUP INC. ALLOCATION OF COSOLIDATED 
 TAX LIABILITY AGREEMENT 
 This Addendum No. 4 is
made and entered into as of November 1, 2006, by and among Radian Group Inc. and its subsidiaries, and attaches to the Radian Group Inc. Allocation of Consolidated Tax Liability Agreement dated effective as of January 1, 2002. 

Commencing with the 2006 tax year, the following companies will be included in the Group’s consolidated federal income tax return: 
  

			
	Van American Insurance Agency, Inc. (SC)
		
	By:	 	 /s/    Janet P. Moore

		 	Janet P. Moore, Director
		
	Attest:	 	 /s/    Karen Modric

		 	Karen Modric
	
	Radian International Holdings Inc.
		
	By:	 	 /s/    C. Robert Quint

		
	Attest:	 	  

	
	SRT Member 2003-A Inc.
		
	By:	 	 /s/    [ILLEGIBLE]

		
	Attest:	 	  

  

 Page 6 of 1 

 ADDENDUM NO. 5 
 TO 
 RADIAN GROUP INC. ALLOCATION OF COSOLIDATED 
 TAX LIABILITY AGREEMENT 
 This Addendum No. 5 is
made and entered into as of December 1, 2007, by and among Radian Group Inc. and its subsidiaries, and attaches to the Radian Group Inc. Allocation of Consolidated Tax Liability Agreement dated effective as of January 1, 2002. 

Commencing with the 2007 tax year, the following companies will be included in the Group’s consolidated federal income tax return: 
  

			
	Radian Asset Management Inc.
		
	By:	 	 /s/    Timothy W. Hunter

		
	Attest:	 	 /s/    Tami Bohm

	
	Radian Capital LLC
		
	By:	 	 /s/    Timothy W. Hunter

		
	Attest:	 	 /s/    Tami Bohm

  

 Page 7 of 1 

 Addendum No. 6 to the 
 Radian Group Inc. Allocation of 
 Consolidated Tax Liability 
 This Addendum No. 6 is made and entered into as of July 10, 2008, by and among Radian Group Inc. and its subsidiaries (hereinafter referred to as “the
Group”), and attaches to the Radian Group Inc. Allocation of Consolidated Tax Liability Agreement (the “Agreement”) dated effective as of January 1, 2002. 
 Pursuant to Addendum No. 1 previously entered into by the parties to the Addendum, commencing with the 2002 tax year, the following companies will be included in the Group’s consolidated federal income tax
return: 
 Asset Recovery Solutions Group Inc. 
 Windsor Holdings Inc. 
 Pursuant to Addendum No. 3 previously entered into on January 31, 2005 by the parties to the Addendum,
commencing with the 2003 tax year, the following company will be included in the Group’s consolidated federal income tax return: 
 Radian Asset
Securities Inc. 
 Pursuant to Addendum No. 4 previously entered into on November 1, 2006 by the parties to the Addendum, commencing with the
2006 tax year, the following companies will be included in the Group’s consolidated federal income tax return: 
 Van American Insurance Agency, Inc.
(SC) 
 Radian International Holdings Inc. 
 SRT
Member 2003-A Inc. 
 Pursuant to Addendum No. 5 previously entered into December 1, 2007 by the parties to the Addendum, commencing with the
2007 tax year, the following companies will be included in the Group’s consolidated federal income tax return: 
 Radian Asset Management Inc. 

 Radian Capital LLC 
 Pursuant to Addendum No. 2
Radian Group Inc., a corporation organized and existing as an insurance holding company under the laws of the State of Delaware (hereinafter referred to as “Radian”), and Commonwealth Mortgage Assurance Company of Texas, a corporation
organized and existing as an insurance company licensed under the laws of the State of Texas (hereinafter referred to as “CMAC-TX”), entered into the following addendum to the Radian Group Inc. Allocation of Consolidated Tax Liability
Agreement (hereinafter referred to as the “Agreement”) on or about September 30, 2003: 
 The purpose of this addendum is to provide for the
adequate indemnification of CMAC-TX in the event the Internal Revenue Service levies upon its assets for unpaid taxes in excess of the amount paid under the Agreement pursuant to 28 TAC § 7.204 (a) (2) (E). 
  

 Page 8 of 1 

 Therefore, within sixty (60) days of the completion and filing of the consolidated tax return, Radian agrees
to use the assets and resources at its disposal to support the below mentioned guarantees and warranties to benefit CMAC-TX, and/or its policyholders or its successors: 
  

	 	a.	Radian agrees that with respect to this and future tax years, CMAC-TX will pay no more tax liability and will receive no less tax refund than CMAC-TX would if it had been filing
separate federal income tax returns for all periods in which it will be included in this tax consolidation; and 

  

	 	b.	Radian will indemnify CMAC-TX if any of CMAC-TX’s assets are restricted, controlled or levied upon by the IRS for taxes due from the consolidated tax return in excess of the
federal income tax liability otherwise owed by CMAC- 

 TX. 
 IN WITNESS WHEREOF, the parties hereto and the parties to the Agreement have caused this addendum to be signed in their corporate names on this 17th day of July, 2008.

  

			
	 RADIAN GROUP INC.

		
	 By:
	 	 /s/    C. Robert Quint

	
	Amerin Guaranty Corporation
		
	 By:
	 	 /s/    Tami Bohm

	
	Asset Recovery Solutions Group Inc. (“ARSG”)
		
	 By:
	 	 /s/    Janet P. Moore

	
	Commonwealth Mortgage Assurance Company of Texas (“CMAC-TX”)
		
	 By:
	 	 /s/    Tami Bohm

	
	Credit-Based Asset Servicing and Securitization LLC (“C-BASS”)
		
	 By:
	 	  

  

 Page 9 of 1 

			
	Enhance C-BASS Residual Finance Corporation (“ECRFC”)
		
	By:	 	  

	
	Enhance Financial Services Group (“EFSG”)
		
	By:	 	 /s/    C. Robert Quint

	
	Lottery Receivables Series 1998A Corp.
		
	By:	 	 /s/    C. Robert Quint

	
	Lottery Receivables Trust Series 1999
		
	By:	 	 /s/    C. Robert Quint

	
	Radian Asset Assurance Inc. (“RAA”)
		
	By:	 	 /s/    C. Robert Quint

	
	Radian Asset Management Inc. (“RAMI”)
		
	By:	 	 /s/    Tami Bohm

	
	Radian Asset Securities Inc.
		
	By:	 	 /s/    C. Robert Quint

	
	Radian Capital LLC
		
	By:	 	 /s/    Tami Bohm

	
	Radian Guaranty, Inc. (“RGC”)
		
	By:	 	 /s/    Tami Bohm

  

 Page 10 of 1 

			
	Radian Insurance Inc. (“RIINC”)
		
	By:	 	 /s/    Tami Bohm

	
	Radian International Holdings Inc.
		
	By:	 	 /s/    Tami Bohm

	
	Radian Mortgage Insurance Inc.
		
	By:	 	 /s/    Tami Bohm

	
	Radian Mortgage Reinsurance Company
		
	By:	 	  

	
	Radian Reinsurance (Bermuda) Ltd.
		
	By:	 	 /s/    C. Robert Quint

	
	Radian Services LLC
		
	By:	 	 /s/    Tami Bohm

	
	SAF Hicks Investments, Inc. (“SAF”)
		
	By:	 	 /s/    C. Robert Quint

	
	SAFCO SPC Finance Corp.
		
	By:	 	 /s/    C. Robert Quint

	
	Settlement Securitization Series 2000 Corp.
		
	By:	 	 /s/    C. Robert Quint

	
	SRT Member 2003-A, Inc.
		
	By:	 	 /s/    C. Robert Quint

  

 Page 11 of 1 

			
	Van American Insurance Agency, Inc.
		
	By:	 	 /s/    C. Robert Quint

	
	Windsor Management Inc.
		
	By:	 	 /s/    Bret S. Derman

		 	Secretary

  

 Page 12 of 1

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