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Exhibit 99.4 ASSIGNMENT, ASSUMPTION AND RECOGNITION AGREEMENT

Assignment and Assumption Agreement

Exhibit 99.4 ASSIGNMENT, ASSUMPTION AND RECOGNITION AGREEMENT | Document Parties: American Home Mortgage Servicing, Inc | Asset-Backed Certificates, American Home Mortgage Corp | CitiMortgage Inc | Deutsche Bank National Trust Company | HSBC BANK USA, NATIONAL ASSOCIATION | HSBC Bank, National Association | HSI Asset Securitization Corporation You are currently viewing:
This Assignment and Assumption Agreement involves

American Home Mortgage Servicing, Inc | Asset-Backed Certificates, American Home Mortgage Corp | CitiMortgage Inc | Deutsche Bank National Trust Company | HSBC BANK USA, NATIONAL ASSOCIATION | HSBC Bank, National Association | HSI Asset Securitization Corporation

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Title: Exhibit 99.4 ASSIGNMENT, ASSUMPTION AND RECOGNITION AGREEMENT
Governing Law: New York     Date: 2/12/2007

Exhibit 99.4 ASSIGNMENT, ASSUMPTION AND RECOGNITION AGREEMENT, Parties: american home mortgage servicing  inc , asset-backed certificates  american home mortgage corp , citimortgage inc , deutsche bank national trust company , hsbc bank usa  national association , hsbc bank  national association , hsi asset securitization corporation
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<PAGE>
                                                                    Exhibit 99.4


                ASSIGNMENT, ASSUMPTION AND RECOGNITION AGREEMENT

     This is an Assignment, Assumption and Recognition Agreement (this "AAR
Agreement") made as of January 1, 2007, among HSBC Bank, National Association
(the "Assignor"), HSI Asset Securitization Corporation (the "Assignee"),
CitiMortgage Inc. as Master Servicer (the "Master Servicer"), Deutsche Bank
National Trust Company (the "Trustee") not individually but solely as trustee on
behalf of the holders of the HSI Asset Loan Obligation Trust, Series 2007-AR1,
Asset-Backed Certificates, American Home Mortgage Corp. (the "Company") and
American Home Mortgage Servicing, Inc.

     In consideration of the mutual promises contained herein the parties hereto
agree that the residential mortgage loans (the "Assigned Loans") listed on
Attachment 1 annexed hereto (the "Assigned Loan Schedule") purchased by Assignor
from Company pursuant to (a) the Master Mortgage Loan Purchase and Servicing
Agreement, dated as of June 21, 2006, between Assignor, Servicer and Company
(the "Purchase Agreement"), shall be subject to the terms of this AAR Agreement.
Capitalized terms used herein but not defined shall have the meanings ascribed
to them in the Purchase Agreement.

Assignment and Assumption

     1. Assignor hereby grants, transfers and assigns to Assignee all of the
right, title, interest and obligations of Assignor in the Assigned Loans and, as
they relate to the Assigned Loans, all of its right, title, interest and
obligations in, to and under the Purchase Agreement and Assigned hereby assumes
all rights and obligations with respect to the Assigned Loans under the Purchase
Agreement. Assignor specifically reserves and does not assign to Assignee any
right title and interest in, to or under any Mortgage Loans subject to the
Purchase Agreement other than those set forth on Attachment l. The Company shall
service the Assigned Loans in accordance with the Purchase Agreement as modified
by this AAR Agreement.

Recognition of the Company

     2. From and after the date hereof, the Company shall and does hereby
recognize that the Assignee will transfer the Assigned Loans and assign its
rights under the Purchase Agreement (solely to the extent set forth herein) and
this AAR Agreement to HSI Asset Loan Obligation Trust 2007-AR1 (the "Trust")
created pursuant to a Pooling and Servicing Agreement, dated as of January 1,
2007 (the "Pooling Agreement"), among the Assignee as Depositor, the Trustee,
the Master Servicer, Citibank, N.A. as Securities Administrator (the "Securities
Administrator") and Wells Fargo Bank, N.A. as custodian (the "Custodian"). The
Company hereby acknowledges and agrees that from and after the date hereof (i)
the Trust will be the owner of the Assigned Loans, (ii) the Company shall look
solely to the Trust for performance of any obligations of the Assignor insofar
as they relate to the enforcement of the representations, warranties and
covenants with respect to the Assigned Loans, and the Trust hereby acknowledges
that it has assumed such representations, warranties and covenants and that any
claim by the Company with respect thereto shall be made by written notice to the
Trustee, (iii) the Trust shall have all the rights and remedies available to the
Assignor, insofar as they relate to the Assigned Loans, under the Purchase
Agreement, including, without limitation, the enforcement of the document
delivery requirements and remedies with respect to breaches of

                                 Assignment, Assumption and Recognition Agreement
                                                  (American Home Mortgage Corp.)

<PAGE>

representations and warranties set forth in the Purchase Agreement, and shall be
entitled to enforce all of the obligations of the Company thereunder insofar as
they relate to the Assigned Loans, and (iv) all references to the Purchaser
(insofar as they relate to the rights, title and interest and, with respect to
obligations of the Purchaser, only insofar as they relate to the enforcement of
the representations, warranties and covenants of the Company) under the Purchase
Agreement insofar as they relate to the Assigned Loans, shall be deemed to refer
to the Trust. Neither the Company nor the Assignor shall amend or agree to
amend, modify, waiver, or otherwise alter any of the terms or provisions of the
Purchase Agreement which amendment, modification, waiver or other alteration
would in any way affect the Assigned Loans or the Company's performance under
the Purchase Agreement with respect to the Assigned Loans without the prior
written consent of the Assignee, the Master Servicer and the Trustee. Any party
requesting such amendment shall provide to the Assignee, the Master Servicer and
the Trustee, at its own expense, an opinion of counsel stating that (i) such
amendment is permitted under the terms of the Purchase Agreement and (ii) such
amendment will not materially and adversely affect the interests of the holders
of any securities issued by the Trust. The Company acknowledges that
CitiMortgage, Inc. has been appointed as the Master Servicer of the Assigned
Loans pursuant to this AAR Agreement and therefore has the right to enforce all
obligations of the Company as they relate to the Assigned Loans under the
Purchase Agreement and this AAR Agreement.

Representations; Warranties and Covenants

     3. Assignor warrants and represents to Assignee, the Master Servicer, the
Trust and Company as of the date hereof:

          a.    Attached hereto as Attachment 2 is a true and accurate copy of
               the Purchase Agreement, which agreement is in full force and
               effect as of the date hereof and the provisions of which have not
               been waived, amended or modified in any respect, nor has any
               notice of termination been given thereunder;

          b.    Assignor is the lawful owner of the Assigned Loans with full
               right to transfer the Assigned Loans and any and all of its
               interests, rights and obligations under the Purchase Agreement as
               they relate to the Assigned Loans, free and clear of any and all
               liens, claims and encumbrances; and upon the transfer of the
               Assigned Loans to Assignee as contemplated herein, Assignee shall
               have good title to each and every Assigned Loan, as well as any
               and all of Assignor's interests, rights and obligations under the
               Purchase Agreement as they relate to the Assigned Loans, free and
               clear of any and all liens, claims and encumbrances;

          c.    Assignor has not received notice of, and has no knowledge of, any
               offsets, counterclaims or other defenses available to Company
                with respect to the Assigned Loans or the Purchase Agreement;

                                Assignment, Assumption and Recognition Agreement
                                                  (American Home Mortgage Corp.)

<PAGE>

          d.     Assignor is a corporation duly organized, validly existing and in
               good standing under the laws of the jurisdiction of its
               formation, and has all requisite power and authority to acquire,
               own and sell the Assigned Loans;

          e.    Assignor has full power and authority to execute, deliver and
               perform its obligations under this AAR Agreement, and to
               consummate the transactions set forth herein. The consummation of
               the transactions contemplated by this AAR Agreement is in the
               ordinary course of Assignor's business and will not conflict
               with, or result in a breach of, any of the terms, conditions or
               provisions of Assignor's charter or by-laws or any legal
               restriction, or any material agreement or instrument to which
               Assignor is now a party or by which it is bound, or result in the
               violation of any law, rule, regulation, order, judgment or decree
               to which Assignor or its property is subject. The execution,
               delivery and performance by Assignor of this AAR Agreement and
               the consummation by it of the transactions contemplated hereby,
                have been duly authorized by all necessary action on the part of
               Assignor. This AAR Agreement has been duly executed and delivered
               by Assignor and, upon the due authorization, execution and
               delivery by Assignee and Company, will constitute the valid and
               legally binding obligation of Assignor enforceable against
               Assignor in accordance with its terms except as enforceability
               may be limited by bankruptcy, reorganization, insolvency,
               moratorium or other similar laws now or hereafter in effect
               relating to creditors' rights generally, and by general
               principles of equity regardless of whether enforceability is
                considered in a proceeding in equity or at law;

          f.    No material consent, approval, order or authorization of, or
               declaration, filing or registration with, any governmental entity
               is required to be obtained or made by Assignor in connection with
               the execution, delivery or performance by Assignor of this AAR
               Agreement, or the consummation by it of the transactions
               contemplated hereby; and

          g.    There is no action, suit, proceeding, investigation or litigation
               pending or, to Assignor's knowledge, threatened, which either in
               any instance or in the aggregate, if determined adversely to
               Assignor, would adversely affect Assignor's execution or delivery
               of, or the enforceability of, this AAR Agreement, or the
               Assignor's ability to perform its obligations under this AAR
               Agreement.

     4. Assignee warrants and represents to, and covenants with, Assignor, the
Master Servicer, the Trust and Company as of the date hereof:

          a.    Assignee is duly organized, validly existing and in good standing
               under the laws of the jurisdiction of its organization and has
                all requisite power and authority to acquire and own the Assigned
               Loans;

                                Assignment, Assumption and Recognition Agreement
                                                  (American Home Mortgage Corp.)

<PAGE>

          b.    Assignee has full power and authority to execute, deliver and
               perform its obligations under this AAR Agreement, and to
               consummate the transactions set forth herein. The consummation of
                the transactions contemplated by this AAR Agreement is in the
               ordinary course of Assignee's business and will not conflict
               with, or result in a breach of, any of the terms, conditions or
               provisions of Assignee's organizational documentation or any
               legal restriction, or any material agreement or instrument to
               which Assignee is now a party or by which it is bound, or result
               in the violation of any law, rule, regulation, order, judgment or
               decree to which Assignee or its property is subject. The
               execution, delivery and performance by Assignee of this AAR
               Agreement and the consummation by it of the transactions
               contemplated hereby, have been duly authorized by all necessary
               action on the part of Assignee. This AAR Agreement has been duly
               executed and delivered by Assignee and, upon the due
               authorization, execution and delivery by Assignor and Company,
               will constitute the valid and legally binding obligation of
               Assignee enforceable against Assignee in accordance with its
               terms except as enforceability may be limited by bankruptcy,
               reorganization, insolvency, moratorium or other similar laws now
               or hereafter in effect relating to creditors' rights generally,
               and by general principles of equity regardless of whether
               enforceability is considered in a proceeding in equity or at law;

          c.    No material consent, approval, order or authorization of, or
               declaration, filing or registration with, any governmental entity
               is required to be obtained or made by Assignee in connection with
               the execution, delivery or performance by Assignee of this AAR
               Agreement, or the consummation by it of the transactions
               contemplated hereby; and

          d.    There is no action, suit, proceeding, investigation or litigation
               pending or, to Assignee's knowledge, threatened, which either in
               any instance or in the aggregate, if determined adversely to
               Assignee, would adversely affect Assignee's execution or delivery
               of, or the enforceability of, this AAR Agreement, or the
               Assignee's ability to perform its obligations under this AAR
               Agreement.

     5. Company warrants and represents to, and covenants with, Assignor, the
Trust and Assignee as of the date hereof:

          a.    Attached hereto as Attachment 2 is a true and accurate copy of
               the Purchase Agreement, which agreement is in full force and
               effect as of the date hereof and the provisions of which have not
               been waived, amended or modified in any respect, nor has any
               notice of termination been given thereunder;

          b.    Company is duly organized, validly existing and in good standing
               under the laws of the jurisdiction of its incorporation, and has
               all requisite power and authority to perform its obligations
               under the Purchase Agreement;

                                Assignment, Assumption and Recognition Agreement
                                                  (American Home Mortgage Corp.)

<PAGE>

          c.    Company has full corporate power and authority to execute,
               deliver and perform its obligations under this AAR Agreement, and
               to consummate the transactions set forth herein. The consummation
               of the transactions contemplated by this AAR Agreement is in the
               ordinary course of Company's business and will not conflict with,
               or result in a breach of, any of the terms, conditions or
               provisions of Company's organizational documentation or any legal
               restriction, or any material agreement or instrument to which
                Company is now a party or by which it is bound, or result in the
               violation of any law, rule, regulation, order, judgment or decree
               to which Company or its property is subject, except in such case
               where the conflict, breach or violation would not have a material
               adverse effect on the Company or its ability to perform its
               obligations under this AAR Agreement. The execution, delivery and
               performance by Company of this AAR Agreement and the consummation
               by it of the transactions contemplated hereby, have been duly
               authorized by all necessary corporate action on the part of
               Company. This AAR Agreement has been duly executed and delivered
               by Company, and, upon the due authorization, execution and
               delivery by Assignor and Assignee, will constitute the valid and
               legally binding obligation of Company, enforceable against
                Company in accordance with its terms except as enforceability may
               be limited by bankruptcy, reorganization, insolvency, moratorium
               or other similar laws now or hereafter in effect relating to
               creditors' rights generally, and by general principles of equity
               regardless of whether enforceability is considered in a
               proceeding in equity or at law;

          d.    No consent, approval, order or authorization of, or declaration,
                filing or registration with, any governmental entity is required
               to be obtained or made by Company in connection with the
               execution, delivery or performance by Company of this AAR
               Agreement, or the consummation by it of the transactions
               contemplated hereby;

          e.    There is no action, suit, proceeding, investigation or litigation
               pending or, to Company's knowledge, threatened, which either in
               any instance or in the aggregate, if determined adversely to
               Company, would adversely affect Company's execution or delivery
               of, or the enforceability of, this AAR Agreement, or the
               Company's ability to perform its obligations under this AAR
               Agreement; and

          f.    Pursuant to Section 12 of the Purchase Agreement, the Company
               hereby represents and warrants, for the benefit of the Assignor,
               the Assignee, the Master Servicer and the Trust, that the
               representations and warranties set forth in Section 7.01 and 7.02
               of the Purchase Agreement, are true and correct as of the date
               hereof in all material respects, except that the representation
               and warranty set forth in Section 7.02(i) shall, for purposes of
               this AAR Agreement, relate to the Mortgage Loan Schedule attached
               hereto.

                                Assignment, Assumption and Recognition Agreement
                                                  (American Home Mortgage Corp.)

<PAGE>

     6. The Company hereby acknowledges and agrees that the remedies available
to the Assignor, the Assignee and the Trust (including the Assignee and the
Company acting on the Trust's behalf) in connection with any breach of the
representations and warranties made by the Company set forth in Section 5 hereof
shall be as set forth in Subsection 7.03 of the Purchase Agreement as if they
were set forth herein (including without limitation the repurchase and indemnity
obligations set forth therein).

     7. In connection with the transfer of the Assigned Loans hereunder, the
Company and the Servicer agree that, solely with respect to the Assigned Loans,
the following modifications shall be made (all capitalized terms used below
shall have the meanings assigned to such terms by this AAR Agreement and such
terms shall be incorporated into the Purchase Agreement):

          (i) Section 11.30 shall be amended so that the references to the
          "Purchaser" therein shall be replaced with references to "the Master
          Servicer, the Depositor, the Trustee or any other party required to
          file the reports referred to in this Section 11.30".

     8. Pursuant to Section 11.15 of Exhibit 9 to the Purchase Agreement, no
later than 10 calendar days, the Company shall furnish to the Master Servicer
(i)(a) monthly loan data in such format mutually agreed-upon between the Company
and the Master Servicer, (b) default loan data in such format mutually agreed
upon between the Company and the Master Servicer and (c) information regarding
the realized losses and gains as in such format mutually agreed upon between the
Company and the Master Servicer, in each case relating to the period ending on
the last day of the preceding calendar month, (ii) all such information required
pursuant to clause (i)(a) above on a magnetic tape, electronic mail, or other
similar media reasonably acceptable to the Master Servicer and the Company, and
(iii) all supporting documentation reasonably necessary and available with
respect to the information required above. Notwithstanding the foregoing, the
Company is not required to report data relating to prepayment charges or
penalties.

Miscellaneous

     9. All demands, notices and communications related to the Assigned Loans,
the Purchase Agreements and this AAR Agreement shall be in writing and shall be
deemed to have been duly given if personally delivered or mailed by registered
mail, postage prepaid, as follows:

          a.    In the case of Company,

               American Home Mortgage Corp.
               538 Broadhollow Road
               Melville, New York 11747
               Attention: Robert F. Johnson, Jr.

                With copies to:

                                Assignment, Assumption and Recognition Agreement
                                                  (American Home Mortgage Corp.)

<PAGE>

               American Home Mortgage Corp.
               538 Broadhollow Road
               Melville, New York 11747
               Attention: Alan B. Horn, General Counsel

          b.    In the case of Assignor,

               HSBC Bank USA, National Association
               Re: HALO 2007-AR2
                452 Fifth Avenue
               New York, New York 10018
               Attention: Head of MBS Principal Finance

          c.    In the case of Assignee,

               HSI Asset Securitization Corporation
               452 Fifth Avenue, 10th floor
                New York, New York 10018
               Attn: Head MBS Principal Finance

          c.    In the case of Trustee,

               Deutsche Bank National Trust Company
               1761 St. Andrew Place
               Santa Ana, California 92705
               Attn: Trust Administration-[__________]

          d.    In the case of the Master Servicer:

               CitiMortgage Mortgage, Inc.
               4000 Regent Blvd.
               Irving, TX 75063
               Attention: Master Servicing Division,
               Compliance Manager - HALO 2007-AR1

          e.    In the case of the Securities Administrator:

               Citbank, N.A.
               388 Greenwich Street, 14th Floor
               New York, New York 10013
                Attention: Structured Finance Agency and Trust, HALO 2007-AR1

     10. This AAR Agreement shall be construed in accordance with the laws of
the State of New York, without regard to conflicts of law principles, and the
obligations, rights and remedies of the parties hereunder shall be determined in
accordance with such laws.

                                Assignment, Assumption and Recognition Agreement
                                                  (American Home Mortgage Corp.)

<PAGE>

     11. No term or provision of this AAR Agreement may be waived or modified
unless such waiver or modification is in writing and signed by the party against
whom such waiver or modification is sought to be enforced.

     12. This AAR Agreement shall inure to the benefit of the successors and
assigns of the parties hereto. Any entity into which Assignor, Assignee or
Company may be merged or consolidated shall without the requirement for any
further writing, be deemed Assignor, Assignee or Company, respectively
hereunder.

     13. This AAR Agreement shall survive the conveyance of the Assigned Loans
as contemplated in this AAR Agreement.

     14. This AAR Agreement may be executed simultaneously in any number of
counterparts. Each counterpart shall be deemed to be an original and all such
counterparts shall constitute one and the same instrument.

     15. In the event that any provision of this AAR Agreement conflicts with
any provision of the Purchase Agreement with respect to the Assigned Loans, the
terms of this AAR Agreement shall control.

                                Assignment, Assumption and Recognition Agreement
                                                  (American Home Mortgage Corp.)

<PAGE>

     IN WITNESS WHEREOF, the parties hereto have executed this AAR Agreement as
of the day and year first above written.

HSBC BANK USA, NATIONAL ASSOCIATION
Assignor


By:
    ---------------------------------
Name: Jon E. Voigtman
Title: Managing Director #14311


HSI Asset Securitization Corporation


By:
     ---------------------------------
Name: Andrea Lenox
Title: Vice President


American Home Mortgage Corp.


By:
    ---------------------------------
Name:
      -------------------------------
Title:
       ------------------------------


American Home Mortgage Servicing,
Inc.


By:
    ---------------------------------
Name:
      -------------------------------
Title:
       ------------------------------


Deutsche Bank National Trust Company,
as Trustee


By:
    ---------------------------------
Name:
      -------------------------------
Title:
       ------------------------------

                                Assignment, Assumption and Recognition Agreement
                                                  (American Home Mortgage Corp.)

<PAGE>

CitiMortgage, Inc., as Master
Servicer


By:
    ---------------------------------
Name:
      -------------------------------
Title:
       ------------------------------

                                Assignment, Assumption and Recognition Agreement
                                                  (American Home Mortgage Corp.)

<PAGE>

                                  ATTACHMENT 1

                          (form of Assigned Loan Tape)

                                Assignment, Assumption and Recognition Agreement
                                                  (American Home Mortgage Corp.)

<PAGE>

                                  ATTACHMENT 2

                          (Form of Purchase Agreement)

                                Assignment, Assumption and Recognition Agreement
                                                  (American Home Mortgage Corp.)
<PAGE>
                                                                    Exhibit 99.4

                                                                EXECUTION VERSION

             MASTER MORTGAGE LOAN PURCHASE AND SERVICING AGREEMENT

                          AMERICAN HOME MORTGAGE CORP.
                                     Seller

                     AMERICAN HOME MORTGAGE SERVICING, INC.
                                    Servicer

                       HSBC BANK USA, NATIONAL ASSOCIATION
                                Initial Purchaser

                            Dated as of June 21, 2006
         First and Second Lien, Fixed and Adjustable Rate Mortgage Loans

<PAGE>


                                TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                            Page
                                                                             ----
<S>                                                                          <C>
SECTION 1.   Definitions .................................................      1
SECTION 2.   Agreement to Purchase .......................................      14
SECTION 3.   Mortgage Loan Schedules .....................................     14
SECTION 4.   Purchase Price ..............................................     14
SECTION 5.   Examination of Mortgage Files ...............................     15
SECTION 6.   Conveyance from Seller to Initial Purchaser .................     15
   Subsection 6.01.   Conveyance of Mortgage Loans; Possession of
                     Servicing Files ....................................     15
   Subsection 6.02.   Books and Records ..................................     16
   Subsection 6.03.   Delivery of Mortgage Loan Documents ................     16
SECTION 7.   Representations, Warranties and Covenants of the
            Seller and the Servicer: Remedies for Breach ................     17
   Subsection 7.01.   Representations and Warranties Respecting
                     the Seller and the Servicer ........................     17
   Subsection 7.02.   Representations and Warranties Regarding
                     Individual Mortgage Loans ..........................     22
   Subsection 7.03.   Remedies for Breach of Representations and
                     Warranties .........................................     36
   Subsection 7.04.   Repurchase of Certain Mortgage Loans;
                     Premium Protection .................................     38
SECTION 8.   Closing .....................................................     38
SECTION 9.   Closing Documents ...........................................     39
SECTION 10. Costs .......................................................     40
SECTION 11. Servicer's Servicing Obligations ............................     40
SECTION 12. Removal of Mortgage Loans from Inclusion under
            This Agreement Upon a Whole Loan Transfer or a
            Pass-Through Transfer on One or More Reconstitution
            Dates .......................................................     41
SECTION 13. The Seller and the Servicer .................................     48
   Subsection 13.01. Additional Indemnification by the Seller
                     and the Servicer ...................................     48
   Subsection 13.02. Merger or Consolidation of the Seller and
                     the Servicer .......................................     48
   Subsection 13.03. Limitation on Liability of the Seller, the
                     Servicer and Others ................................     48
   Subsection 13.04. Servicer Not to Resign .............................     49
   Subsection 13.05. No Transfer of Servicing ...........................     49
SECTION 14. Default .....................................................     49
   Subsection 14.01. Events of Default ..................................     49
   Subsection 14.02. Waiver of Defaults .................................     51
</TABLE>


                                        i

<PAGE>

<TABLE>
<S>                                                                          <C>
SECTION 15. Termination .................................................     51
SECTION 16. Successor to the Servicer ...................................     52
SECTION 17. Financial Statements ........................................     53
SECTION 18. Mandatory Delivery: Grant of Security Interest. .............     53
SECTION 19. Notices .....................................................     53
SECTION 20. Severability Clause .........................................     54
SECTION 21. Counterparts ................................................     55
SECTION 22. Governing Law ...............................................     55
SECTION 23. Intention of the Parties ....................................     55
SECTION 24. Successors and Assigns ......................................     56
SECTION 25. Waivers .....................................................     56
SECTION 26. Exhibits ....................................................     56
SECTION 27. Nonsolicitation .............................................     56
SECTION 28. General Interpretive Principles .............................     57
SECTION 29. Reproduction of Documents   ..................................     57
SECTION 30. Further Agreements ..........................................     58
SECTION 31. Third-Party Beneficiary .....................................     58
SECTION 32. Entire Agreement ............................................     58
</TABLE>


                                       ii

<PAGE>

                                    EXHIBITS

EXHIBIT 1A    SELLER'S OFFICER'S CERTIFICATE
EXHIBIT 1B    SERVICER'S OFFICER'S CERTIFICATE
EXHIBIT 2     FORM OF OPINION OF COUNSEL TO THE SELLER
EXHIBIT 3     SECURITY RELEASE CERTIFICATION
EXHIBIT 4     ASSIGNMENT AND CONVEYANCE
EXHIBIT 5     CONTENTS OF EACH MORTGAGE FILE
EXHIBIT 6     CUSTODIAL AGREEMENT
EXHIBIT 7     FORM OF CUSTODIAL ACCOUNT LETTER AGREEMENT
EXHIBIT 8     FORM OF ESCROW ACCOUNT LETTER AGREEMENT
EXHIBIT 9     SERVICING ADDENDUM
EXHIBIT 10    FORM OF ASSIGNMENT AND RECOGNITION AGREEMENT
EXHIBIT 11    FORM OF INDEMNIFICATION AGREEMENT
EXHIBIT 12    FORM OF ANNUAL CERTIFICATION
EXHIBIT 13    MORTGAGE LOAN DOCUMENTS
EXHIBIT 14    UNDERWRITING GUIDELINES OF THE SELLER
EXHIBIT 15    SUMMARY OF REGULATION AB SERVICING CRITERIA
EXHIBIT 16    SUMMARY OF APPLICABLE REGULATION AB REQUIREMENTS
EXHIBIT 17    SERVICING CRITERIA TO BE ADDRESSED IN ASSESSMENT OF COMPLIANCE
EXHIBIT 18    FORM OF REMITTANCE REPORT

SCHEDULE I    MORTGAGE LOAN SCHEDULE


                                       iii
<PAGE>

              MASTER MORTGAGE LOAN PURCHASE AND SERVICING AGREEMENT

This is an MASTER MORTGAGE LOAN PURCHASE AND SERVICING AGREEMENT (the
"Agreement"), dated as of June 21, 2006, by and between HSBC Bank USA, National
Association, having an office at 452 Fifth Avenue, New York, New York 10018 (the
"Initial Purchaser", and the Initial Purchaser or the Person, if any, to which
the Initial Purchaser has assigned its rights and obligations hereunder as
Purchaser with respect to a Mortgage Loan, and each of their respective
successors and assigns, the "Purchaser"), AMERICAN HOME MORTGAGE CORP., having
an office at 538 Broadhollow Road, Melville, New York 11747 (the "Seller") and
AMERICAN HOME MORTGAGE SERVICING, INC., having an office at 4600 Regent
Boulevard, Suite 200, Irving, Texas 75063 (the "Servicer").

                                   WITNESSETH:

           WHEREAS, the Seller desires to sell, from time to time, to the
Purchaser, and the Purchaser desires to purchase, from time to time, from the
Seller, certain conventional, fixed and adjustable rate residential first and
second lien mortgage loans, including, where specifically provided in the
related Confirmation, the right to any Prepayment Charges payable by the related
Mortgagors as described herein, (the "Mortgage Loans") as described herein on a
servicing-retained basis, and which shall be delivered in groups of whole loans
on various dates as provided herein and in the related Confirmation (each, a
"Closing Date");

          WHEREAS, each Mortgage Loan is secured by a mortgage, deed of trust or
other security instrument creating a first or second lien on a residential
dwelling located in the jurisdiction indicated on the Mortgage Loan Schedule for
the related Mortgage Loan Package, which is to be annexed hereto on each Closing
Date as Schedule I;

          WHEREAS, the Initial Purchaser, the Seller and the Servicer wish to
prescribe the manner of the conveyance, servicing and control of the Mortgage
Loans; and

          WHEREAS, following its purchase of the Mortgage Loans from the Seller,
the Purchaser desires to sell some or all of the Mortgage Loans to one or more
purchasers as a whole loan transfer in a whole loan or participation format or a
public or private mortgage-backed securities transaction;

          NOW, THEREFORE, in consideration of the premises and mutual agreements
set forth herein, and for other good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, the Purchaser, the Seller and the
Servicer agree as follows:

     SECTION 1. Definitions.

          For purposes of this Agreement the following capitalized terms shall
have the respective meanings set forth below.

          Accepted Servicing Practices: With respect to any Mortgage Loan, those
mortgage servicing practices (including collection procedures) of prudent
mortgage banking institutions which service mortgage loans of the same type as
such Mortgage Loan in the jurisdiction where the related Mortgaged Property is
located, which are in accordance with Fannie Mae servicing practices and
procedures for MBS pool mortgages, as defined in the


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<PAGE>

Fannie Mae Guides including future updates, the terms of the Mortgage Loan
Documents and all applicable federal, state and local legal and regulatory
requirements.

          Adjustable Rate Mortgage Loan: A Mortgage Loan which provides for the
adjustment of the Mortgage Interest Rate payable in respect thereto.

          Adjustment Date: With respect to each Adjustable Rate Mortgage Loan,
the date set forth in the related Mortgage Note on which the Mortgage Interest
Rate on such Adjustable Rate Mortgage Loan is adjusted in accordance with the
terms of the related Mortgage Note.

          Agreement: This Master Mortgage Loan Purchase and Servicing Agreement
including all exhibits, schedules, amendments and supplements hereto.

          Appraised Value: With respect to any Mortgaged Property, the lesser of
(i) the value thereof as determined by an appraisal made for the originator of
the Mortgage Loan at the time of origination of the Mortgage Loan by an
appraiser who met the minimum requirements of FNMA and FHLMC and the Financial
Institutions Reform, Recovery, and Enforcement Act of 1989, and (ii) the
purchase price paid for the related Mortgaged Property by the Mortgagor with the
proceeds of the Mortgage Loan, provided, however, in the case of a Refinanced
Mortgage Loan, such value of the Mortgaged Property is based solely upon the
value determined by an appraisal made for the originator of such Refinanced
Mortgage Loan at the time of origination of such Refinanced Mortgage Loan by an
appraiser who met the minimum requirements of FNMA and FHLMC and the Financial
Institutions Reform, Recovery, and Enforcement Act of 1989.

          Assignment and Conveyance: An assignment and conveyance of the
Mortgage Loans purchased on a Closing Date in the form annexed hereto as Exhibit
4.

          Assignment of Mortgage: With respect to each Mortgage Loan which is
not a MERS Loan, an individual assignment of the Mortgage, notice of transfer or
equivalent instrument in recordable form, sufficient under the laws of the
jurisdiction wherein the related Mortgaged Property is located to give record
notice of the sale of the Mortgage to the Purchaser.

          Balloon Mortgage Loan: A Mortgage Loan that provided on the date of
origination for an amortization schedule extending beyond its maturity date.

          Balloon Payment: With respect to any Balloon Mortgage Loan as of any
date of determination, the Monthly Payment payable on the maturity of such
Mortgage Loan.

          Business Day: Any day other than a Saturday or Sunday, or a day on
which banking and savings and loan institutions in the State of New York are
authorized or obligated by law or executive order to be closed.

          Cash-Out Refinancing: A Refinanced Mortgage Loan the proceeds of which
were in excess of the principal balance of any existing first mortgage on the
related Mortgaged Property and related closing costs, and were used to pay any
such existing first mortgage, related closing costs and subordinate mortgages on
the related Mortgaged Property.

          Closing Date: The date or dates on which the Initial Purchaser from
time to time shall purchase and the Seller from time to time shall sell to the
Initial Purchaser, the Mortgage


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<PAGE>

Loans listed on the related Mortgage Loan Schedule with respect to the related
Mortgage Loan Package.

          Closing Documents: With respect to any Closing Date, the documents
required pursuant to Section 9.

          Code: The Internal Revenue Code of 1986, or any successor statute
thereto.

          Combined Loan-to-Value Ratio or CLTV: With respect to any Mortgage
Loan as of any date of determination, the ratio on such date of the outstanding
principal amount of the Mortgage Loan and any other mortgage loan which is
secured by a lien on the related Mortgaged Property to the Appraised Value of
the Mortgaged Property.

          Commission or SEC: The United States Securities and Exchange
Commission.

           Condemnation Proceeds: All awards, compensation and settlements in
respect of a taking of all or part of a Mortgaged Property by exercise of the
power of condemnation or the right of eminent domain.

          Confirmation: With respect to any Mortgage Loan Package purchased and
sold on any Closing Date, the letter agreement among the Initial Purchaser and
the Seller (including any exhibits, schedules and attachments thereto), setting
forth the terms and conditions of such transaction and describing the Mortgage
Loans to be purchased by the Initial Purchaser on such Closing Date. A
Confirmation may relate to more than one Mortgage Loan Package to be purchased
on one or more Closing Dates hereunder.

          Convertible Mortgage Loan: A Mortgage Loan that by its terms and
subject to certain conditions contained in the related Mortgage or Mortgage Note
allows the Mortgagor to convert the adjustable Mortgage Interest Rate on such
Mortgage Loan to a fixed Mortgage Interest Rate.

          Custodial Account: The separate account or accounts, each of which
shall be an Eligible Account, created and maintained pursuant to this Agreement,
which shall be entitled "American Home Mortgage Servicing, Inc., as servicer, in
trust for the Purchaser, Fixed and Adjustable Rate Mortgage Loans", established
at a financial institution acceptable to the Purchaser. Each Custodial Account
shall be an Eligible Account.

          Custodial Agreement: The agreement governing the retention of the
originals of each Mortgage Note, Mortgage, Assignment of Mortgage and other
Mortgage Loan Documents, annexed hereto as Exhibit 6.

          Custodian: The custodian under the Custodial Agreement, or its
successor in interest or assigns, or any successor to the Custodian under the
Custodial Agreement, as therein provided.

          Cut-off Date: The first day of the month in which the related Closing
Date occurs.

          Deleted Mortgage Loan: A Mortgage Loan replaced or to be replaced by a
Qualified Substitute Mortgage Loan.


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<PAGE>

          Depositor: The depositor, as such term is defined in Regulation AB,
with respect to any Pass-Through Transfer.

          Determination Date: With respect to each Distribution Date, the
fifteenth (15th) day of the calendar month in which such Distribution Date
occurs or, if such fifteenth (15th) day is not a Business Day, the Business Day
immediately preceding such fifteenth (15th) day.

          Distribution Date: The eighteenth (18th) day of each month, commencing
on the eighteenth day of the month next following the month in which the related
Cut-off Date occurs, or if such eighteenth (18th) day is not a Business Day, the
first Business Day immediately preceding such eighteenth (18th) day.

           Due Date: With respect to each Mortgage Loan, the day of the calendar
month on which each Monthly Payment is due on such Mortgage Loan (including the
Balloon Payment with respect to a Balloon Mortgage Loan), exclusive of any days
of grace.

          Eligible Account: Either (i) an account or accounts maintained with a
federal or state chartered depository institution or trust company the
short-term unsecured debt obligations of which (or, in the case of a depository
institution or trust company that is the principal subsidiary of a holding
company, the short-term unsecured debt obligations of such holding company) are
rated A-1 by S&P or Prime-1 by Moody's (or a comparable rating if another rating
agency is specified by the Initial Purchaser by written notice to the Seller and
Servicer) at the time any amounts are held on deposit therein, (ii) an account
or accounts the deposits in which are fully insured by the FDIC or (iii) a trust
account or accounts maintained with a federal or state chartered depository
institution or trust company acting in its fiduciary capacity. Eligible Accounts
may bear interest.

          Escrow Account: The separate trust account or accounts created and
maintained pursuant to this Agreement which shall be entitled "American Home
Mortgage Servicing, Inc., as servicer, in trust for the Purchaser and various
Mortgagors, Fixed and Adjustable Rate Mortgage Loans," established at a
financial institution acceptable to the Purchaser. Each Escrow Account shall be
an Eligible Account.

           Escrow Payments: The amounts constituting ground rents, taxes,
assessments, water charges, sewer rents, Primary Insurance Policy premiums, fire
and hazard insurance premiums and other payments required to be escrowed by the
Mortgagor with the Mortgagee pursuant to the terms of any Mortgage Note or
Mortgage.

          Event of Default: Any one of the events enumerated in Subsection
14.01.

          Exchange Act: The Securities Exchange Act of 1934, as amended.

          FDIC: The Federal Deposit Insurance Corporation, or any successor
thereto.

          FHLMC: Freddie Mac or any successor thereto.

          Final Recovery Determination: With respect to any defaulted Mortgage
Loan or any REO Property (other than a Mortgage Loan or REO Property repurchased
by the Seller pursuant to this Agreement), a determination made by the Servicer
that all Insurance Proceeds,


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<PAGE>

Liquidation Proceeds and other payments or recoveries which the Servicer, in its
reasonable good faith judgment, expects to be finally recoverable in respect
thereof have been so recovered. The Servicer shall maintain records, prepared by
a servicing officer of the Servicer, of each Final Recovery Determination.

          Fixed Rate Mortgage Loan: A Mortgage Loan with respect to which the
Mortgage Interest Rate set forth in the Mortgage Note is fixed for the term of
such Mortgage Loan.

          Flood Zone Service Contract: A transferable contract maintained for
the Mortgaged Property with a nationally recognized flood zone service provider
for the purpose of obtaining the current flood zone status relating to such
Mortgaged Property.

          FNMA: Fannie Mae or any successor thereto.

          Gross Margin: With respect to any Adjustable Rate Mortgage Loan, the
fixed percentage amount set forth in the related Mortgage Note and the related
Mortgage Loan Schedule that is added to the Index on each Adjustment Date in
accordance with the terms of the related Mortgage Note to determine the new
Mortgage Interest Rate for such Mortgage Loan.

          HUD: The United States Department of Housing and Urban Development or
any successor thereto.

          Index: With respect to any Adjustable Rate Mortgage Loan, the index
identified on the Mortgage Loan Schedule and set forth in the related Mortgage
Note for the purpose of calculating the interest rate thereon.

          Initial Closing Date: The Closing Date on which the Initial Purchaser
purchases and the Seller sells the first Mortgage Loan Package hereunder.

          Initial Purchaser: HSBC Bank USA, National Association, or any
successor or assign.

          Issuing Entity: The issuing entity, as such term is defined in
Regulation AB, with respect to any Pass-Through Transfer.

          Insurance Proceeds: With respect to each Mortgage Loan, proceeds of
insurance policies insuring the Mortgage Loan or the related Mortgaged Property.

          Liquidation Proceeds: Amounts, other than Insurance Proceeds and
Condemnation Proceeds, received in connection with the liquidation of a
defaulted Mortgage Loan through trustee's sale, foreclosure sale or otherwise,
other than amounts received following the acquisition of REO Property.

          Loan-to-Value Ratio or LTV: With respect to any Mortgage Loan as of
any date of determination, the ratio on such date of the outstanding principal
amount of the Mortgage Loan, to the Appraised Value of the Mortgaged Property.

          Master Servicer: With respect to any Pass-Through Transfer, the
"master servicer", if any, specified by the Purchaser and identified in the
related transaction documents.


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<PAGE>

          Maximum Mortgage Interest Rate: With respect to each Adjustable Rate
Mortgage Loan, a rate that is set forth on the related Mortgage Loan Schedule
and in the related Mortgage Note and is the maximum interest rate to which the
Mortgage Interest Rate on such Mortgage Loan may be increased on any Adjustment
Date.

          MERS: Mortgage Electronic Registration Systems, Inc., a corporation
organized and existing under the laws of the State of Delaware, or any successor
thereto.

          MERS(R) System: The system of recording transfers of Mortgages
electronically maintained by MERS.

          MIN: The Mortgage Identification Number of Mortgage Loans registered
with MERS on the MERS(R) System.

          Minimum Mortgage Interest Rate: With respect to each Adjustable Rate
Mortgage Loan, a rate that is set forth on the related Mortgage Loan Schedule
and in the related Mortgage Note and is the minimum interest rate to which the
Mortgage Interest Rate on such Mortgage Loan may be decreased on any Adjustment
Date.

          MOM Loan: Any Mortgage Loan where MERS acts as the mortgagee of record
of such Mortgage Loan, solely as nominee for the originator of such Mortgage
Loan and its successors and assigns, at the origination thereof.

          Monthly Advance: The aggregate of the advances made by the Servicer on
any Distribution Date pursuant to Subsection 11.21 of the Servicing Addendum.

          Monthly Payment: With respect to any Mortgage Loan, the scheduled
combined payment (including any Balloon Payment) of principal and interest
payable by a Mortgagor under the related Mortgage Note on each Due Date.

          Moody's: Moody's Investors Service, Inc. or its successor in interest.

          Mortgage: The mortgage, deed of trust or other instrument creating a
first lien on Mortgaged Property securing the Mortgage Note.

          Mortgage File: The items pertaining to a particular Mortgage Loan
referred to in Exhibit 5 annexed hereto, and any additional documents required
to be added to the Mortgage File pursuant to this Agreement or the related
Confirmation.

          Mortgage Interest Rate: With respect to each Fixed Rate Mortgage Loan,
the fixed annual rate of interest provided for in the related Mortgage Note and,
with respect to each Adjustable Rate Mortgage Loan, the annual rate that
interest accrues on such Adjustable Rate Mortgage Loan from time to time in
accordance with the provisions of the related Mortgage Note.

          Mortgage Loan: Each first or second lien, residential mortgage loan,
sold, assigned and transferred to the Purchaser pursuant to this Agreement and
the related


                                         6

<PAGE>


Confirmation and identified on the Mortgage Loan Schedule annexed to this
Agreement on such Closing Date, which Mortgage Loan includes without limitation
the Mortgage File, the Monthly Payments, Prepayment Charges (where specifically
provided in the related Confirmation), Liquidation Proceeds, Condemnation
Proceeds, Insurance Proceeds, REO Disposition proceeds, and all other rights,
benefits, proceeds and obligations arising from or in connection with such
Mortgage Loan.

          Mortgage Loan Documents: The documents listed in Exhibit 13 hereto
pertaining to any Mortgage Loan.

          Mortgage Loan Package: The Mortgage Loans listed on a Mortgage Loan
Schedule, delivered to the Custodian and the Purchaser at least five (5)
Business Days prior to the related Closing Date and attached to the related
Assignment and Conveyance on the related Closing Date.

          Mortgage Loan Schedule: With respect to each Mortgage Loan Package,
the schedule of Mortgage Loans to be annexed to the related Assignment and
Conveyance on the related Closing Date for the Mortgage Loan Package delivered
on such Closing Date in electronic form, such schedule setting forth the
following information with respect to each Mortgage Loan in the Mortgage Loan
Package: (1) the Seller's Mortgage Loan identifying number; (2) the Mortgagor's
first and last name; (3) the street address of the Mortgaged Property including
the state and zip code; (4) a code indicating whether the Mortgaged Property is
owner-occupied; (5) the type of Residential Dwelling constituting the Mortgaged
Property; (6) the original months to maturity; (7) the original date of the
Mortgage Loan; (8) the Loan-to-Value Ratio or Combined Loan-to-Value Ratio at
origination; (9) the Mortgage Interest Rate in effect immediately following the
Cut-off Date; (10) the date on which the first Monthly Payment was due on the
Mortgage Loan; (11) the stated maturity date; (12) the amount of the Monthly
Payment at origination; (13) the amount of the Monthly Payment as of the Cut-off
Date; (14) the last Due Date on which a Monthly Payment was actually applied to
the unpaid Stated Principal Balance; (15) the original principal amount of the
Mortgage Loan; (16) the Stated Principal Balance of the Mortgage Loan; as of the
close of business on the Cut-off Date; (17) with respect to each Adjustable Rate
Mortgage Loan, the first Adjustment Date; (18) with respect to each Adjustable
Rate Mortgage Loan, the Gross Margin; (19) a code indicating the purpose of the
loan (i.e., purchase financing, Rate/Term Refinancing, Cash-Out Refinancing);
(20) with respect to each Adjustable Rate Mortgage Loan, the Maximum Mortgage
Interest Rate under the terms of the Mortgage Note; (21) with respect to each
Adjustable Rate Mortgage Loan, the Minimum Mortgage Interest Rate under the
terms of the Mortgage Note; (22) the Mortgage Interest Rate at origination; (23)
with respect to each Adjustable Rate Mortgage Loan, the Periodic Rate Cap; (24)
with respect to each Adjustable Rate Mortgage Loan, the first Adjustment Date
immediately following the Cut-off Date; (25) with respect to each Adjustable
Rate Mortgage Loan, the Index; (26) the date on which the first Monthly Payment
was due on the Mortgage Loan and, if such date is not consistent with the Due
Date currently in effect, such Due Date; (27) a code indicating the
documentation style (i.e., full (providing two years employment verification - 2
years W-2's and current pay stub or 2 years 1040's for self employed borrowers),
alternative or reduced); (28) a code indicating whether the Mortgage Loan is an
Adjustable Rate Mortgage Loan or a Fixed Rate Mortgage Loan; (29) the Appraised
Value of the Mortgaged Property; (30) the sale price of the Mortgaged Property,
if applicable; (31) a code indicating whether the Mortgage Loan is subject to a
Prepayment Charge or penalty; (32) the term of any Prepayment Charge or penalty;


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<PAGE>

(33) with respect to each MERS Mortgage Loan, the related MIN; (34) reserved;
(35) a code indicating if the Mortgage Loan is an interest-only Mortgage Loan
and, if so, the term of the interest-only period of such Mortgage Loan; (36) a
code indicating whether the Mortgage Loan is a first or second lien; and (37) a
code indicating whether the Mortgage Loan is a Balloon Mortgage Loan and, if so,
the term of the Balloon Mortgage Loan; (38) reserved; (39) reserved; (40) the
points and fees charged in connection with the origination of such Mortgage
Loan; and (41) a code indicating if the Mortgage Loan is subject to a Primary
Insurance Policy, and if so, the insurer. With respect to the Mortgage Loan
Package in the aggregate, the Mortgage Loan Schedule shall set forth the
following information, as of the related Cut-off Date: (1) the number of
Mortgage Loans; (2) the current principal balance of the Mortgage Loans; (3) the
weighted average Mortgage Interest Rate of the Mortgage Loans; and (4) the
weighted average maturity of the Mortgage Loans. Schedule I hereto shall be
supplemented as of each Closing Date to reflect the addition of the Mortgage
Loan Schedule with respect to the related Mortgage Loan Package.

          Mortgage Note: The original executed note or other evidence of the
Mortgage Loan indebtedness of a Mortgagor.

          Mortgaged Property: The Mortgagor's real property securing repayment
of a related Mortgage Note, consisting of a fee simple interest in a single
parcel of real property improved by a Residential Dwelling.

          Mortgagee: The mortgagee or beneficiary named in the Mortgage and the
successors and assigns of such mortgagee or beneficiary.

          Mortgagor: The obligor on a Mortgage Note, the owner of the Mortgaged
Property and the grantor or mortgagor named in the related Mortgage and such
grantor's or mortgagor's successor's in title to the Mortgaged Property.

          Negative Amortization: With respect to each Negative Amortization
Mortgage Loan, that portion of interest accrued at the Mortgage Interest Rate in
any month that exceeds the Monthly Payment on the related Mortgage Loan for such
month and which, pursuant to the terms of the Mortgage Note, is added to the
principal balance of the Mortgage Loan.

          Negative Amortization Mortgage Loan: Each Mortgage Loan that is
identified on the Mortgage Loan Schedule as a Mortgage Loan that may be subject
to Negative Amortization.

          Net Mortgage Rate: With respect to any Mortgage Loan (or the related
REO Property), as of any date of determination, a per annum rate of interest
equal to the then applicable Mortgage Interest Rate for such Mortgage Loan minus
the Servicing Fee Rate.

          Nonrecoverable Advance: Any Monthly Advance or Servicing Advance
previously made or proposed to be made in respect of a Mortgage Loan or REO
Property that, in the good faith business judgment of the Servicer, will not,
or, in the case of a proposed Monthly Advance or Servicing Advance, would not
be, ultimately recoverable from related late payments, Insurance Proceeds or
Liquidation Proceeds on such Mortgage Loan or REO Property as provided herein.

          Officer's Certificate: A certificate signed by the Chairman of the
Board or the Vice Chairman of the Board or a President or a Vice President and
by the Treasurer or the


                                         8

<PAGE>

Secretary or one of the Assistant Treasurers or Assistant Secretaries of the
Person on behalf of whom such certificate is being delivered.

          Opinion of Counsel: A written opinion of counsel, who may be salaried
counsel for the Person on behalf of whom the opinion is being given, reasonably
acceptable to each Person to whom such opinion is addressed.

          Pass-Through Transfer: Any transaction involving either (1) a sale or
transfer of some or all of the Mortgage Loans directly or indirectly to an
issuing entity in connection with an issuance of publicly offered or privately
placed, rated or unrated mortgage-backed securities or (2) an issuance of
publicly offered or privately placed, rated or unrated securities, the payments
on which are determined primarily by reference to one or more portfolios of
residential mortgage loans consisting, in whole or in part, of some or all of
the Mortgage Loans.

          Periodic Rate Cap: With respect to each Adjustable Rate Mortgage Loan
and any Adjustment Date therefor, a number of percentage points per annum that
is set forth in the related Mortgage Loan Schedule and in the related Mortgage
Note, which is the maximum amount by which the Mortgage Interest Rate for such
Adjustable Rate Mortgage Loan may increase (without regard to the Maximum
Mortgage Interest Rate) or decrease (without regard to the Minimum Mortgage
Interest Rate) on such Adjustment Date from the Mortgage Interest Rate in effect
immediately prior to such Adjustment Date.

          Person: An individual, corporation, limited liability company,
partnership, joint venture, association, joint-stock company, trust,
unincorporated organization or government or any agency or political subdivision
thereof.

           Prepayment Charge: With respect to any Mortgage Loan, any prepayment
penalty or premium thereon payable in connection with a Principal Prepayment on
such Mortgage Loan pursuant to the terms of the related Mortgage Note.

          Primary Insurance Policy: A policy of primary mortgage guaranty
insurance issued by a Qualified Insurer.

          Principal Prepayment: Any payment or other recovery of principal on a
Mortgage Loan which is received in advance of its scheduled Due Date, including
any Prepayment Charge, which is not accompanied by an amount of interest
representing scheduled interest due on any date or dates in any month or months
subsequent to the month of prepayment.

          Purchase Price: The price paid on the related Closing Date by the
Purchaser to the Seller pursuant to the related Confirmation in exchange for the
Mortgage Loans purchased on such Closing Date as calculated as provided in
Section 4.

          Purchaser: The Initial Purchaser or the Person, if any, to which the
Initial Purchaser has assigned its rights and obligations thereunder as
Purchaser with respect to a Mortgage Loan, and each of their respective
successors and assigns.

          Qualified Correspondent: Any Person from which the Seller purchased
Mortgage Loans, provided that the following conditions are satisfied: (i) such
Mortgage Loans were originated pursuant to an agreement between the Seller and
such Person that contemplated that


                                        9
<PAGE>

such Person would underwrite mortgage loans from time to time, for sale to the
Seller, in accordance with underwriting guidelines designated by the Seller
("Designated Guidelines") or guidelines that do not vary materially from such
Designated Guidelines; (ii) such Mortgage Loans were in fact underwritten as
described in clause (i) above and were acquired by the Seller within 180 days
after origination; (iii) either (x) the Designated Guidelines were, at the time
such Mortgage Loans were originated, used by the Seller in origination of
mortgage loans of the same type as the Mortgage Loans for the Seller's own
account or (y) the Designated Guidelines were, at the time such Mortgage Loans
were underwritten, designated by the Seller on a consistent basis for use by
lenders in originating mortgage loans to be purchased by the Seller; and (iv)
the Seller employed, at the time such Mortgage Loans were acquired by the
Seller, pre-purchase or post-purchase quality assurance procedures (which may
involve, among other things, review of a sample of mortgage loans purchased
during a particular time period or through particular channels) designed to
ensure that Persons from which it purchased mortgage loans properly applied the
underwriting criteria designated by the Seller.

          Qualified Insurer: An insurance company duly qualified as such under
the laws of the states in which the Mortgaged Property is located, duly
authorized and licensed in such states to transact the applicable insurance
business and to write the insurance provided, and approved as an insurer by FNMA
and FHLMC and whose claims paying ability is rated in the two highest rating
categories by the nationally recognized rating agencies with respect to primary
mortgage insurance and in the two highest rating categories by Best's with
respect to hazard and flood insurance.

          Qualified Substitute Mortgage Loan: A mortgage loan substituted for a
Deleted Mortgage Loan pursuant to the terms of this Agreement which must, on the
date of such substitution, (i) have an outstanding principal balance, after
application of all scheduled payments of principal and interest due during or
prior to the month of substitution, not in excess of the Stated Principal
Balance of the Deleted Mortgage Loan as of the Due Date in the calendar month
during which the substitution occurs, (ii) have a Mortgage Interest Rate not
less than (and not more than one percentage point in excess of) the Mortgage
Interest Rate of the Deleted Mortgage Loan, (iii) have a remaining term to
maturity not greater than (and not more than one year less than) that of the
Deleted Mortgage Loan, (iv) have the same Due Date as the Due Date on the
Deleted Mortgage Loan, (v) have a Loan-to-Value Ratio, and in the case of a
second lien Mortgage Loan, a Combined Loan-to-Value Ratio as of the date of
substitution equal to or lower than the Loan-to-Value Ratio or Combined
Loan-to-Value Ratio of the Deleted Mortgage Loan as of such date, (vi) conform
to each representation and warranty set forth in Subsection 7.02 of this
Agreement, (vii) be the same type of mortgage loan (i.e. fixed or adjustable
rate with the same Gross Margin and Index as the Deleted Mortgage Loan) and
(viii) be covered under a Primary Insurance Policy if such Qualified Substitute
Mortgage Loan has a Loan-to-Value Ratio in excess of 80%. In the event that one
or more mortgage loans are substituted for one or more Deleted Mortgage Loans,
the amounts described in clause (i) hereof shall be determined on the basis of
aggregate principal balances, the Mortgage Interest Rates described in clause
(ii) hereof shall be determined on the basis of weighted average Mortgage
Interest Rates and shall be satisfied as to each such mortgage loan, the terms
described in clause (iii) shall be determined on the basis of weighted average
remaining terms to maturity, the Loan-to-Value Ratios, and in the case of second
lien Mortgage Loans the Combined Loan-to-Value Ratios described in clause (v)
hereof shall be satisfied as to each such mortgage loan and, except to the
extent otherwise provided in this sentence, the representations and warranties
described in clause (vii) hereof must


                                       10

<PAGE>

be satisfied as to each Qualified Substitute Mortgage Loan or in the aggregate,
as the case may be.

           Rate/Term Refinancing: A Refinanced Mortgage Loan, the proceeds of
which are not in excess of the existing first mortgage loan on the related
Mortgaged Property and related closing costs, and were used exclusively to
satisfy the then existing first mortgage loan of the Mortgagor on the related
Mortgaged Property and to pay related closing costs.

          Reconstitution: Any Pass-Through Transfer or Whole Loan Transfer.

          Reconstitution Agreement: The agreement or agreements entered into by
the Seller, the Servicer and the Purchaser and/or certain third parties on the
Reconstitution Date or Dates with respect to any or all of the Mortgage Loans
serviced hereunder, in connection with a Whole Loan Transfer or a Pass-Through
Transfer as provided in Section 12.

          Reconstitution Date: The date or dates on which any or all of the
Mortgage Loans serviced under this Agreement shall be removed from this
Agreement and reconstituted as part of a Whole Loan Transfer or Pass-Through
Transfer pursuant to Section 12 hereof.

          Record Date: With respect to each Distribution Date, the last Business
Day of the month immediately preceding the month in which such Distribution Date
occurs.

          Refinanced Mortgage Loan: A Mortgage Loan the proceeds of which were
not used to purchase the related Mortgaged Property.

          Regulation AB: Subpart 229.1100 - Asset Backed Securities (Regulation
AB), 17 C.F.R. Sections 229.1100-229.1123, as such may be amended from time to
time, and subject to such clarification and interpretation as have been provided
by the Commission in the adopting release (Asset-Backed Securities, Securities
Act Release No. 33-8518, 70 Fed. Reg. 1,506, 1,531 (Jan. 7, 2005)) or by the
staff of the Commission, or as may be provided by the Commission or its staff
from time to time.

          REMIC: A real estate mortgage investment conduit within the meaning of
Section 860D of the Code.

          REMIC Provisions: Provisions of the federal income tax law relating to
REMICs, which appear in Sections 860A through 860G of the Code, and related
provisions, and proposed, temporary and final regulations and published rulings,
notices and announcements promulgated thereunder, as the foregoing may be in
effect from time to time.

           REO Account: The separate trust account or accounts created and
maintained pursuant to this Agreement which shall be entitled "American Home
Mortgage Servicing, Inc., in trust for the Purchaser, as of [date of acquisition
of title], Fixed and Adjustable Rate Mortgage Loans".

          REO Disposition: The final sale by the Servicer of any REO Property.

          REO Property: A Mortgaged Property acquired as a result of the
liquidation of a Mortgage Loan.


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<PAGE>

          Repurchase Price: The Repurchase Price for any Mortgage Loan that is
required to be repurchased pursuant to Section 7.04 shall be equal to the sum of
(i) the product of the Stated Principal Balance of such Mortgage Loan times the
greater of (x) the Purchase Price percentage as stated in the related
Confirmation and (y) 100%, plus (ii) interest on such Stated Principal Balance
at the Mortgage Interest Rate from and including the last Due Date through which
interest has been paid by or on behalf of the Mortgagor to the day immediately
prior to the date of repurchase (unless the Mortgage Loan has been the subject
of a Pass-Through Transfer, in which case the measurement date for accrual of
interest on such Stated Principal Balance shall be the first day of the month
following the date of repurchase), less amounts received in respect of such
repurchased Mortgage Loan which are being held in the Custodial Account for
distribution in connection with such Mortgage Loan, plus (iii) any unreimbursed
servicing advances and monthly advances (including nonrecoverable monthly
advances) and any unpaid servicing fees allocable to such Mortgage Loan paid by
any party other than the Servicer, plus (iv) any costs and expenses incurred by
the Purchaser, any master servicer or any trustee in respect of the breach or
defect giving rise to the repurchase obligation including, without limitation,
any costs and damages incurred by any such party in connection with any
violation by any such Mortgage Loan of any predatory or abusive lending law.

          Residential Dwelling: Any one of the following: (i) a detached
one-family dwelling, (ii) a detached two- to four-family dwelling, (iii) a
one-family dwelling unit in a FNMA eligible condominium project, or (iv) a
detached one-family dwelling in a planned unit development, none of which is a
co-operative, mobile or manufactured home.

          Securities Act: The Securities Act of 1933, as amended.

          Servicing Addendum: The terms and conditions attached hereto as
Exhibit 9, which will govern the servicing of the Mortgage Loans.

          Servicing Advances: All customary, reasonable and necessary
"out-of-pocket" costs and expenses incurred by the Servicer in the performance
of its servicing obligations, including, but not limited to, the cost of (i)
preservation, restoration and repair of a Mortgaged Property, (ii) any
enforcement or judicial proceedings with respect to a Mortgage Loan, including
foreclosure actions and (iii) the management and liquidation of REO Property.

          Servicing Criteria: As of any date of determination, the "servicing
criteria" set forth in Item 1122(d) of Regulation AB, or any amendments thereto,
a summary of the requirements of which as of the date hereof is attached hereto
as Exhibit 15 for convenience of reference only. In the event of a conflict or
inconsistency between the terms of Exhibit 15 and the text of Item 1122(d) of
Regulation AB, the text of Item 1122(d) of Regulation AB shall control.

          Servicing Fee: With respect to each Mortgage Loan, the amount of the
annual servicing fee the Purchaser shall pay to the Servicer, which shall, for
each month, be equal to one-twelfth of the product of (a) the Servicing Fee Rate
and (b) the unpaid principal balance of the Mortgage Loan. Such fee shall be
payable monthly, computed on the basis of the same principal amount and period
respectively which any related interest payment on a Mortgage Loan is computed.
The obligation of the Purchaser to pay the Servicing Fee is limited to, and
payable solely from, the interest portion (including recoveries with respect to
interest from


                                       12

<PAGE>

Liquidation Proceeds and other proceeds, to the extent permitted by Section
11.05) of related Monthly Payment collected by the Servicer, or as otherwise
proved under Section 11.05.

          Servicing Fee Rate: The per annum rate at which the Servicing Fee
accrues, which rate shall be equal to thirty-seven and one-half (37.5) basis
points (0.375%).

          Servicing File: With respect to each Mortgage Loan, the file retained
by the Servicer consisting of originals of all documents in the Mortgage File,
which are not delivered to the Purchaser, or the Custodian and copies of the
Mortgage Loan Documents set forth in Exhibit 13 hereto.

          S&P: Standard & Poor's Ratings Group or its successor in interest.

          Sponsor: The sponsor, as such term is defined in Regulation AB, with
respect to any Pass-Through Transfer.

          Stated Principal Balance: As to each Mortgage Loan as of any date of
determination, (i) the principal balance of the Mortgage Loan as of the Cut-off
Date after giving effect to payments of principal due on or before such date,
whether or not collected from the Mortgagor on or before such date, minus (ii)
all amounts previously distributed to the Purchaser with respect to the related
Mortgage Loan representing payments or recoveries of principal, plus (iii) the
cumulative amount of any Negative Amortization.

          Static Pool Information: Static pool information as described in Item
1105(a)(1)- (3) and 1105(c) of Regulation AB.

          Subcontractor: Any vendor, subcontractor or other Person that is not
responsible for the overall servicing (as "servicing" is commonly understood by
participants in the mortgage-backed securities market) of Mortgage Loans but
performs one or more discrete functions identified in Item 1122(d) of Regulation
AB with respect to Mortgage Loans under the direction or authority of the
Servicer or a Subservicer.

          Subservicer: Any Person that services Mortgage Loans on behalf of the
Servicer or any Subservicer and is responsible for the performance (whether
directly or through Subservicers or Subcontractors) of a substantial portion of
the material servicing functions required to be performed by the Servicer under
this Agreement or any Reconstitution Agreement that are identified in Item
1122(d) of Regulation AB.

          Sub-Servicing Agreement: The written contract between the Servicer and
a Subservicer relating to servicing and administration of certain Mortgage Loans
as provided in Section 11.31 of this Agreement.

          Tax Service Contract: A transferable contract maintained for the
Mortgaged Property with a tax service provider for the purpose of obtaining
current information from local taxing authorities relating to such Mortgaged
Property.

          Third-Party Originator: Each Person, other than a Qualified
Correspondent, that originated Mortgage Loans acquired by the Seller.


                                       13

<PAGE>

          Underwriting Guidelines: The Seller's underwriting guidelines attached
hereto as Exhibit 14 as in effect with respect to the Mortgage Loans purchased
by Purchaser on the Initial Closing Date, as may be amended, supplemented or
modified from time to time thereafter with prior written notice to the Initial
Purchaser.

          Whole Loan Transfer: Any sale or transfer of some or all of the
Mortgage Loans, other than a Pass-Through Transfer.

     SECTION 2. Agreement to Purchase.

          The Seller agrees to sell, and the Purchaser agrees to purchase, from
time-to-time, Mortgage Loans having an aggregate principal balance on the
related Cut-off Date in an amount as set forth in the related Confirmation, or
in such other amount as agreed by the Purchaser and the Seller as evidenced by
the actual aggregate principal balance of the Mortgage Loans accepted by the
Purchaser on the related Closing Date.

     SECTION 3. Mortgage Loan Schedules.

          The Seller shall deliver the Mortgage Loan Schedule for a Mortgage
Loan Package to be purchased on a particular Closing Date to the Purchaser at
least five (5) Business Days prior to the related Closing Date.

     SECTION 4. Purchase Price.

          The Purchase Price for each Mortgage Loan listed on the related
Mortgage Loan Schedule shall be the percentage of par as stated in the related
Confirmation (subject to adjustment as provided therein), multiplied by its
Stated Principal Balance as of the related Cut-off Date. If so provided in the
related Confirmation, portions of the Mortgage Loans shall be priced separately.

          In addition to the Purchase Price as described above, the Initial
Purchaser shall pay to the Seller, at closing, accrued interest on the Stated
Principal Balance of each Mortgage Loan as of the related Cut-off Date at its
Mortgage Interest Rate, net of the Servicing Fee, from the related Cut-off Date
through the day prior to the related Closing Date, both inclusive.

          The Purchaser shall own and be entitled to receive with respect to
each Mortgage Loan purchased, (1) all scheduled principal due after the related
Cut-off Date, (2) all other recoveries of principal and any Prepayment Charges
(unless otherwise specified in the related Confirmation) collected after the
related Cut-off Date (provided, however, that all scheduled payments of interest
and principal due on or before the related Cut-off Date and collected by the
Purchaser or Servicer after the related Cut-off Date shall belong to the
Seller), and (3) all payments of interest on the Mortgage Loans at the Net
Mortgage Rate (minus that portion of any such interest payment that is allocable
to the period prior to the related Cut-off Date). The Stated Principal Balance
of each Mortgage Loan as of the related Cut-off Date is determined after
application to the reduction of principal of payments of principal due on or
before the related Cut-off Date whether or not collected. Therefore, for the
purposes of this Agreement, payments of scheduled principal and interest prepaid
for a Due Date beyond the related Cut-off Date shall not be applied to the
principal balance as of the related Cut-off Date. Such prepaid amounts (minus
the applicable Servicing Fee) shall be the property of the Purchaser. The
Servicer shall


                                       14

<PAGE>

deposit any such prepaid amounts into the Custodial Account, which account is
established for the benefit of the Purchaser, for remittance by the Servicer to
the Purchaser on the first related Distribution Date. All payments of principal
and interest, whenever received, relating to a Due Date prior to the related
Cut-off Date shall belong to the Seller and all payments of principal and
interest less the applicable Servicing Fee, or any Monthly Advance or Servicing
Advance, due on a Due Date following the related Cut-off Date shall belong to
the Purchaser.

     SECTION 5. Examination of Mortgage Files.

          In addition to the rights granted to the Initial Purchaser under the
related Confirmation to underwrite the Mortgage Loans and review the Mortgage
Files prior to the Closing Date, prior to the related Closing Date, the Seller,
or Servicer, as applicable, shall, at the Purchaser's option (a) deliver to the
Custodian in escrow, for examination with respect to each Mortgage Loan to be
purchased on such Closing Date, the related Mortgage File, including the
Assignment of Mortgage, pertaining to each Mortgage Loan, or (b) make the
related Mortgage File available to the Initial Purchaser for examination at the
Seller's offices or such other location as shall otherwise be agreed upon by the
Initial Purchaser and the Seller. Such examination may be made by the Initial
Purchaser or its designee at any reasonable time before or after the related
Closing Date. If the Initial Purchaser makes such examination prior to the
related Closing Date and identifies any Mortgage Loans that do not conform to
the terms of the related Confirmation or the Underwriting Guidelines, such
Mortgage Loans may, at the Initial Purchaser's option, be rejected for purchase
by the Initial Purchaser. If not purchased by the Initial Purchaser, such
Mortgage Loans shall be deleted from the related Mortgage Loan Schedule. The
Initial Purchaser may, at its option and without notice to the Seller, purchase
all or part of any Mortgage Loan Package without conducting any partial or
complete examination. The fact that the Initial Purchaser has conducted or has
determined not to conduct any partial or complete examination of the Mortgage
Files shall not affect the Initial Purchaser's (or any of its successors')
rights to demand repurchase or other relief or remedy provided for in this
Agreement.

     SECTION 6. Conveyance from Seller to Initial Purchaser.

          Subsection 6.01. Conveyance of Mortgage Loans; Possession of Servicing
                           Files.

          The Seller, simultaneously with the payment of the Purchase Price,
shall execute and deliver to the Initial Purchaser an Assignment and Conveyance
with respect to the related Mortgage Loan Package in the form attached hereto as
Exhibit 4. The Servicing File retained by the Servicer with respect to each
Mortgage Loan pursuant to this Agreement shall be appropriately identified in
the Servicer's computer system to reflect clearly the sale of such related
Mortgage Loan to the Purchaser. Where specifically provided in the related
Confirmation, the Purchaser shall be entitled to receive all Prepayment Charges
required to be paid by a Mortgagor under the terms of any Mortgage Loan that are
collected after the related Cut-off Date. The Servicer shall release from its
custody the contents of any Servicing File retained by it only in accordance
with this Agreement, except when such release is required in connection with a
repurchase of any such Mortgage Loan pursuant to Subsection 7.03 or 7.04.


                                       15

<PAGE>

          Subsection 6.02. Books and Records.

          Record title to each Mortgage and the related Mortgage Note as of the
related Closing Date shall be in the name of the Seller, the Servicer, the
Purchaser, the Custodian or one or more designees of the Purchaser, as the
Purchaser shall designate. Notwithstanding the foregoing, beneficial ownership
of each Mortgage and the related Mortgage Note shall be vested solely in the
Purchaser or the appropriate designee of the Purchaser, as the case may be. All
rights arising out of the Mortgage Loans including, but not limited to, all
funds received by the Seller after the related Cut-off Date on or in connection
with a Mortgage Loan as provided in Section 4 shall be vested in the Purchaser
or one or more designees of the Purchaser; provided, however, that all such
funds received on or in connection with a Mortgage Loan as provided in Section 4
shall be received and held by the Seller in trust for the benefit of the
Purchaser or the assignee of the Purchaser, as the case may be, as the owner of
the Mortgage Loans pursuant to the terms of this Agreement.

          It is the express intention of the parties that the transactions
contemplated by this Agreement be, and be construed as, a sale of the Mortgage
Loans by the Seller and not a pledge of the Mortgage Loans by the Seller to the
Purchaser to secure a debt or other obligation of the Seller. Consequently, the
sale of each Mortgage Loan shall be reflected as a sale on the Seller's business
records, tax returns and financial statements.

          Subsection 6.03. Delivery of Mortgage Loan Documents.

           The Seller or Servicer, as applicable, shall from time to time in
connection with each Closing Date, at least five (5) Business Days prior to such
Closing Date, deliver and release to the Custodian those Mortgage Loan Documents
set forth on Exhibit 13 hereto with respect to each Mortgage Loan to be
purchased and sold on the related Closing Date and set forth on the related
Mortgage Loan Schedule delivered with such Mortgage Loan Documents.

          The Seller or Servicer, as applicable, shall provide the Purchaser, or
its designee, with a copy, certified by the Seller or Servicer, as applicable,
to be a true and complete copy of any original document submitted for
recordation on or before the fifth Business Day prior to the related Closing
Date. If the original or copy of any document submitted for recordation to the
appropriate recording office is not delivered to the Purchaser or its designee
within 180 days following the related Closing Date due to a delay at the
applicable recording office, the Seller, or Servicer, as applicable, shall
deliver to the Purchaser an officer's written certification certifying that the
delay in delivering the original recorded document to the Purchaser is due to
delays at the applicable recording office and that the Seller or Servicer shall
deliver the original recorded documents no later than twelve (12) months after
the related Closing Date.

          The Servicer shall provide to each of the Purchaser and the Custodian
a notice containing a list of authorized servicing officers (each, an
"Authorized Representative") for the purpose of giving and receiving notices,
requests and instructions and delivering certificates and documents in
connection with this Agreement. Such notice shall contain the specimen signature
for each Authorized Representative. From time to time, the Servicer may, by
delivering to the others a revised notice, change the information previously
given pursuant to this Section, but each of the parties hereto shall be entitled
to rely conclusively on the then current notice until receipt of a superseding
notice.


                                       16

<PAGE>

          The Custodian shall certify its receipt of all such Mortgage Loan
Documents required to be delivered pursuant to this Agreement for the related
Closing Date, as evidenced by the Trust Receipt and Initial Certification of the
Custodian in the form annexed to the Custodial Agreement.

          The Servicer shall forward to the Custodian original documents
evidencing an assumption, modification, consolidation or extension of any
Mortgage Loan entered into in accordance with this Agreement within two weeks of
their execution, provided, however, that the Servicer shall provide the
Custodian with a certified true copy of any such document submitted for
recordation within two weeks of its execution, and shall provide the original of
any document submitted for recordation or a copy of such document certified by
the appropriate public recording office to be a true and complete copy of the
original within ninety days of its submission for recordation.

          In the event the Seller or Servicer, as applicable, does not comply
with the delivery requirements set forth in this Subsection 6.03 and such
noncompliance materially and adversely affects the Purchaser's interest in the
Mortgage Loan, the Purchaser shall notify the Seller or Servicer, as applicable,
of such noncompliance, and the Seller or Servicer, as applicable, shall correct
or cure the related omission or defect within thirty (30) days of the receipt of
such notice. If the Seller or Servicer, as applicable, does not correct or cure
such material and adverse omission or defect within such period, then the Seller
or Servicer, as applicable, shall repurchase such Mortgage Loan from the
Purchaser within two (2) Business Days after the expiration of such thirty (30)
day period at the Repurchase Price.

          Subsection 6.04 Quality Control Procedures.

          The Seller shall have an internal quality control program that
verifies, on a regular basis, the existence and accuracy of the legal documents,
credit documents, property appraisals, and underwriting decisions. The program
shall include evaluating and monitoring the overall quality of the Seller's loan
production and the servicing activities of the Seller. The program is to ensure
that the Mortgage Loans are originated and serviced in accordance with Accepted
Servicing Standards and the Underwriting Guidelines; guard against dishonest,
fraudulent, or negligent acts; and guard against errors and omissions by
officers, employees, or other authorized persons.

     SECTION 7. Representations, Warranties and Covenants of the Seller and the
                Servicer: Remedies for Breach.

          Subsection 7.01. Representations and Warranties Respecting the Seller
                           and the Servicer.

          (a) The Seller represents, warrants and covenants to the Initial
Purchaser and to any subsequent Purchaser as of the Initial Closing Date and
each subsequent Closing Date or as of such date specifically provided herein or
in the applicable Assignment and Conveyance:

               (i) The Seller is a corporation duly organized, validly existing
     and in good standing under the laws of New York. The Seller has all
      licenses necessary to carry out its business as now being conducted, and is
     licensed and qualified to transact business


                                       17

<PAGE>

     in and is in good standing under the laws of each state in which any
      Mortgaged Property is located, except where the failure to be so licensed
     would not have a material adverse effect on the Seller's business or
     operations or the enforceability of any Mortgage Loan or the transactions
     contemplated by this Agreement, or is otherwise exempt under applicable law
     from such licensing or qualification or is otherwise not required under
     applicable law to effect such licensing or qualification and no demand for
     such licensing or qualification has been made upon the Seller by any such
     state, and in any event the Seller is in compliance with the laws of any
     such state to the extent necessary to ensure the enforceability of each
     Mortgage Loan and the servicing of the Mortgage Loans in accordance with
     the terms of this Agreement. No licenses or approvals obtained by the
     Seller have been suspended or revoked by any court, administrative agency,
     arbitrator or governmental body and no proceedings are pending which might
     result in such suspension or revocation;

               (ii) The Seller has the full corporate power and authority to
     hold each Mortgage Loan, to sell each Mortgage Loan, and to execute,
     deliver and perform, and to enter into and consummate, all transactions
     contemplated by this Agreement. The Seller has duly authorized the
     execution, delivery and performance of this Agreement, has duly executed
     and delivered this Agreement, and this Agreement, assuming due
     authorization, execution and delivery by the Purchaser, constitutes a
     legal, valid and binding obligation of the Seller, enforceable against it
     in accordance with its terms except as the enforceability thereof may be
     limited by (a) bankruptcy, insolvency, liquidation, receivership,
     moratorium, reorganization or other similar laws affecting the enforcement
     of the rights of creditors and (b) general principles of equity, whether
     enforcement is sought in a proceeding in equity or at law;

                (iii) The execution and delivery of this Agreement by the Seller
     and the performance of and compliance with the terms of this Agreement will
     not violate the Seller's articles of incorporation or by-laws or constitute
     a default under or result in a breach or acceleration of, any material
     contract, agreement or other instrument to which the Seller is a party or
     which may be applicable to the Seller or its assets;

               (iv) The Seller is not in violation of, and the execution and
     delivery of this Agreement by the Seller and its performance and compliance
     with the terms of this Agreement will not constitute a violation with
     respect to, any order or decree of any court or any order or regulation of
     any federal, state, municipal or governmental agency having jurisdiction
     over the Seller or its assets, which violation might have consequences that
     would materially and adversely affect the condition (financial or
     otherwise) or the operation of the Seller or its assets or might have
     consequences that would materially and adversely affect the performance of
     its obligations and duties hereunder;

               (v) The Seller is an approved seller for FNMA and FHLMC in good
     standing and is a HUD approved mortgagee pursuant to Section 203 of the
     National Housing Act. No event has occurred, including but not limited to a
     change in insurance coverage, which would make the Seller unable to comply
     with FNMA, FHLMC or HUD eligibility requirements or which would require
     notification to FNMA, FHLMC or HUD;

               (vi) The Seller does not believe, nor does it have any reason or
     cause to believe, that it cannot perform each and every covenant contained
     in this Agreement;


                                       18

<PAGE>

               (vii) Except for such documents which have been delivered for
     recording, the Mortgage Note, the Mortgage, the Assignment of Mortgage and
     any other documents required to be delivered with respect to each Mortgage
     Loan pursuant to this Agreement, have been delivered to the Custodian all
     in compliance with the specific requirements of this Agreement. With
     respect to each Mortgage Loan, the Seller is in possession of a complete
     Mortgage File in compliance with Exhibit 5, except for such documents as
     have been delivered to the Custodian or delivered for recording;

               (viii) Immediately prior to the payment of the Purchase Price for
     each Mortgage Loan, the Seller was the owner of record of the related
     Mortgage and the indebtedness evidenced by the related Mortgage Note and
     upon the payment of the Purchase Price by the Purchaser, in the event that
     the Seller retains record title, the Seller shall retain such record title
     to each Mortgage, each related Mortgage Note and the related Mortgage Files
     with respect thereto in trust for the Purchaser as the owner thereof and
     only for the purpose of servicing and/or supervising the servicing of each
     Mortgage Loan;

               (ix) There are no actions or proceedings against, or
     investigations of, the Seller before any court, administrative agency or
     other tribunal (A) that might prohibit its entering into this Agreement,
     (B) seeking to prevent the sale of the Mortgage Loans or the consummation
     of the transactions contemplated by this Agreement or (C) that might
     prohibit or materially and adversely affect the performance by the Seller
     of its obligations under, or the validity or enforceability of, this
     Agreement;

               (x) No consent, approval, authorization or order of any court or
     governmental agency or body is required for the execution, delivery and
     performance by the Seller of, or compliance by the Seller with, this
     Agreement or the consummation of the transactions contemplated by this
     Agreement, except for such consents, approvals, authorizations or orders,
     if any, that have been obtained prior to the related Closing Date;

               (xi) The consummation of the transactions contemplated by this
     Agreement are in the ordinary course of business of the Seller, and the
     transfer, assignment and conveyance of the Mortgage Notes and the Mortgages
     by the Seller pursuant to this Agreement are not subject to the bulk
     transfer or any similar statutory provisions;

               (xii) The transfer of the Mortgage Loans shall be treated as a
     sale on the books and records of the Seller, and the Seller has determined
     that, and will treat, the disposition of the Mortgage Loans pursuant to
     this Agreement for tax and accounting purposes as a sale. The Seller shall
     maintain a complete set of books and records for each Mortgage Loan which
     shall be clearly marked to reflect the ownership of each Mortgage Loan by
     the Purchaser;

               (xiii) The consideration received by the Seller upon the sale of
     the Mortgage Loans constitutes fair consideration and reasonably equivalent
     value for such Mortgage Loans;

               (xiv) The Seller is solvent and will not be rendered insolvent by
     the consummation of the transactions contemplated hereby. The Seller is not
     transferring any Mortgage Loan with any intent to hinder, delay or defraud
     any of its creditors;


                                       19

<PAGE>

               (xv) Reserved;

               (xvi) Neither this Agreement nor any written statement, report or
     other document prepared and furnished or to be prepared and furnished by
     the Seller pursuant to this Agreement or in connection with the
     transactions contemplated hereby contains any untrue statement of material
     fact or omits to state a material fact necessary to make the statements
     contained herein or therein not misleading;

               (xvii) At such time that the Seller becomes a member of MERS, the
     Seller will comply in all material respects with the rules and procedures
     of MERS in connection with the servicing of the Mortgage Loans that are
     registered with MERS; and

               (xviii) The Seller has not dealt with any broker, investment
     banker, agent or other person that may be entitled to any commission or
      compensation in connection with the sale of the Mortgage Loans.

          (b) The Servicer represents, warrants and covenants to the Initial
Purchaser and to any subsequent Purchaser as of the Initial Closing Date and
each subsequent Closing Date or as of such date specifically provided herein or
in the applicable Assignment and Conveyance:

               (i) The Servicer is a corporation duly organized, validly
     existing and in good standing under the laws of Maryland. The Servicer has
     all licenses necessary to carry out its business as now being conducted,
     and is licensed and qualified to transact business in and is in good
     standing under the laws of each state in which any Mortgaged Property is
     located, except where the failure to be so licensed would not have a
     material adverse effect on the Servicer's business or operations or the
     enforceability of any Mortgage Loan or the transactions contemplated by
     this Agreement, or is otherwise exempt under applicable law from such
     licensing or qualification or is otherwise not required under applicable
     law to effect such licensing or qualification and no demand for such
     licensing or qualification has been made upon the Servicer by any such
     state, and in any event the Servicer is in compliance with the laws of any
     such state to the extent necessary to ensure the enforceability of each
     Mortgage Loan and the servicing of the Mortgage Loans in accordance with
     the terms of this Agreement. No licenses or approvals obtained by the
     Servicer have been suspended or revoked by any court, administrative
     agency, arbitrator or governmental body and no proceedings are pending
     which might result in such suspension or revocation;

                (ii) The Servicer has the full corporate power and authority to
     execute, deliver and perform, and to enter into and consummate, all
     transactions contemplated by this Agreement. The Servicer has duly
     authorized the execution, delivery and performance of this Agreement, has
     duly executed and delivered this Agreement, and this Agreement, assuming
     due authorization, execution and delivery by the Purchaser, constitutes a
     legal, valid and binding obligation of the Servicer, enforceable against it
     in accordance with its terms except as the enforceability thereof may be
     limited by (a) bankruptcy, insolvency, liquidation, receivership,
     moratorium, reorganization or other similar laws affecting the enforcement
     of the rights of creditors and (b) general principles of equity, whether
     enforcement is sought in a proceeding in equity or at law;


                                       20

<PAGE>

               (iii) The execution and delivery of this Agreement by the
     Servicer and the performance of and compliance with the terms of this
     Agreement will not violate the Servicer's articles of incorporation or
     by-laws or constitute a default under or result in a breach or acceleration
     of, any material contract, agreement or other instrument to which the
     Servicer is a party or which may be applicable to the Seller or its assets;

               (iv) The Servicer is not in violation of, and the execution and
     delivery of this Agreement by the Servicer and its performance and
     compliance with the terms of this Agreement will not constitute a violation
     with respect to, any order or decree of any court or any order or
     regulation of any federal, state, municipal or governmental agency having
     jurisdiction over the Servicer or its assets, which violation might have
     consequences that would materially and adversely affect the condition
     (financial or otherwise) or the operation of the Servicer or its assets or
     might have consequences that would materially and adversely affect the
     performance of its obligations and duties hereunder;

               (v) The Servicer is an approved servicer for FNMA and FHLMC in
     good standing and is a HUD approved mortgagee pursuant to Section 203 of
     the National Housing Act. No event has occurred, including but not limited
     to a change in insurance coverage, which would make the Servicer unable to
     comply with FNMA, FHLMC or HUD eligibility requirements or which would
      require notification to FNMA, FHLMC or HUD;

               (vi) The Servicer does not believe, nor does it have any reason
     or cause to believe, that it cannot perform each and every covenant
     contained in this Agreement;

               (vii) Reserved;

               (viii) Reserved;

               (ix) There are no actions or proceedings against, or
     investigations of, the Servicer before any court, administrative agency or
     other tribunal (A) that might prohibit its entering into this Agreement,
     (B) seeking to prevent the sale of the Mortgage Loans or the consummation
     of the transactions contemplated by this Agreement or (C) that might
     prohibit or materially and adversely affect the performance by the Servicer
     of its obligations under, or the validity or enforceability of, this
     Agreement;

               (x) No consent, approval, authorization or order of any court or
     governmental agency or body is required for the execution, delivery and
     performance by the Servicer of, or compliance by the Servicer with, this
     Agreement or the consummation of the transactions contemplated by this
     Agreement, except for such consents, approvals, authorizations or orders,
     if any, that have been obtained prior to the related Closing Date;

               (xi) The consummation of the transactions contemplated by this
     Agreement are in the ordinary course of business of the Servicer;

               (xii) Reserved;


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<PAGE>

               (xiii) Neither this Agreement nor any written statement, report
     or other document prepared and furnished or to be prepared and furnished by
     the Servicer pursuant to this Agreement or in connection with the
     transactions contemplated hereby contains any untrue statement of material
     fact or omits to state a material fact necessary to make the statements
     contained herein or therein not misleading;

               (xiv) At such time that the Servicer becomes a member of MERS,
     the Servicer will comply in all material respects with the rules and
     procedures of MERS in connection with the servicing of the Mortgage Loans
     that are registered with MERS; and

          Subsection 7.02. Representations and Warranties Regarding Individual
                           Mortgage Loans.

          The Seller hereby represents and warrants to the Initial Purchaser and
to any subsequent Purchaser that, as to each Mortgage Loan, as of the related
Closing Date for such Mortgage Loan:

               (i) The information set forth in the related Mortgage Loan
     Schedule and the related Mortgage File delivered to the Purchaser is
     complete, true and correct;

               (ii) The Mortgage Loan is in compliance with all requirements set
     forth in the related Confirmation, and the characteristics of the related
     Mortgage Loan Package as set forth in the related Confirmation are true and
     correct;

               (iii) All payments required to be made up to the close of
     business on the Cut-off Date for such Mortgage Loan under the terms of the
     Mortgage Note have been made; the Seller has not advanced funds, or
     induced, solicited or knowingly received any advance of funds from a party
     other than the owner of the related Mortgaged Property, directly or
     indirectly, for the payment of any amount required by the Mortgage Note or
     Mortgage; no Mortgage Loan is thirty (30) or more days delinquent as of the
     Closing Date and there has been no delinquency, exclusive of any period of
     grace, in any payment by the Mortgagor thereunder since the origination of
     the Mortgage Loan;

               (iv) There are no delinquent taxes, ground rents, water charges,
     sewer rents, assessments, insurance premiums, leasehold payments, including
     assessments payable in future installments or other outstanding charges
     affecting the related Mortgaged Property;

               (v) The terms of the Mortgage Note and the Mortgage have not been
     impaired, waived, altered or modified in any respect, except by written
     instruments, recorded in the applicable public recording office if
     necessary to maintain the lien priority of the Mortgage, and which have
     been delivered to the Custodian; the substance of any such waiver,
     alteration or modification has been approved by the insurer under the
     Primary Insurance Policy, if any, and has been approved by the title
     insurer, to the extent required by the related policy, and is reflected on
     the related Mortgage Loan Schedule. No instrument of waiver, alteration or
     modification has been executed, and no Mortgagor has been released, in
     whole or in part, except in connection with an assumption agreement
     approved by the insurer under the Primary Insurance Policy, if any, and by
     the title insurer,


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<PAGE>

     to the extent required by the policy, and which assumption agreement has
     been delivered to the Custodian and the terms of which are reflected in the
     related Mortgage Loan Schedule;

               (vi) The Mortgage Note and the Mortgage are not subject to any
     right of rescission, set-off, counterclaim or defense, including the
     defense of usury, nor will the operation of any of the terms of the
     Mortgage Note and the Mortgage, or the exercise of any right thereunder,
     render the Mortgage unenforceable, in whole or in part, or subject to any
     right of rescission, set-off, counterclaim or defense, including the
     defense of usury and no such right of rescission, set-off, counterclaim or
     defense has been asserted with respect thereto. Each Prepayment Charge or
     penalty with respect to any Mortgage Loan is permissible, enforceable and
     collectible under applicable federal, state and local law;

               (vii) All buildings upon the Mortgaged Property are insured by an
     insurer acceptable to FNMA and FHLMC against loss by fire, hazards of
     extended coverage and such other hazards as are customary in the area where
     the Mortgaged Property is located, pursuant to insurance polices conforming
     to the requirements of the Servicing Addendum. All such insurance policies
     contain a standard mortgagee clause naming the Servicer, its successors and
     assigns as mortgagee and all premiums thereon have been paid. If the
     Mortgaged Property is in an area identified on a Flood Hazard Map or Flood
     Insurance Rate Map issued by the Federal Emergency Management Agency as
     having special flood hazards (and such flood insurance has been made
     available) a flood insurance policy meeting the requirements of the current
     guidelines of the Federal Insurance Administration is in effect which
     policy conforms to the requirements of FNMA an FHLMC. The Mortgage
     obligates the Mortgagor thereunder to maintain all such insurance at the
     Mortgagor's cost and expense, and on the Mortgagor's failure to do so,
     authorizes the holder of the Mortgage to maintain such insurance at
     Mortgagor's cost and expense and to seek reimbursement therefor from the
     Mortgagor;

               (viii) Any and all requirements of any federal, state or local
     law including, without limitation, usury, truth in lending, real estate
     settlement procedures, predatory and abusive lending, consumer credit
     protection, equal credit opportunity, fair housing or disclosure laws
     applicable to the origination and servicing of mortgage loans of a type
     similar to the Mortgage Loans and applicable to any prepayment penalty
     associated with the Mortgage Loans at origination have been complied with
     [in all material respects];

               (ix) The Mortgage has not been satisfied, cancelled, subordinated
     or rescinded, in whole or in part, and the Mortgaged Property has not been
     released from the lien of the Mortgage, in whole or in part, nor has any
     instrument been executed that would effect any such satisfaction,
     cancellation, subordination, rescission or release;

               (x) The Mortgage (including any Negative Amortization which may
     arise thereunder) is a valid, existing and enforceable (A) first lien and
     first priority security interest with respect to each Mortgage Loan which
     is indicated by the Seller to be a first lien (as reflected on the Mortgage
     Loan Schedule), or (B) second lien and second priority security interest
     with respect to each Mortgage Loan which is indicated by the Seller to be a
     second lien (as reflected on the Mortgage Loan Schedule), in either case,
     on the Mortgaged Property, including all improvements on the Mortgaged
     Property subject only


                                       23

<PAGE>

     to (a) the lien of current real property taxes and assessments not yet due
     and payable, (b) covenants, conditions and restrictions, rights of way,
     easements and other matters of the public record as of the date of
     recording being acceptable to mortgage lending institutions generally and
     specifically referred to in the lender's title insurance policy delivered
     to the originator of the Mortgage Loan and which do not adversely affect
     the Appraised Value of the Mortgaged Property, (c) with respect to each
     Mortgage Loan which is indicated by the Seller to be a second lien Mortgage
     Loan (as reflected on the Mortgage Loan Schedule), a first lien on the
     Mortgaged Property; and (d) other matters to which like properties are
     commonly subject which do not materially interfere with the benefits of the
     security intended to be provided by the Mortgage or the use, enjoyment,
     value or marketability of the related Mortgaged Property. Any security
     agreement, chattel mortgage or equivalent document related to and delivered
     in connection with the Mortgage Loan establishes and creates a valid,
     existing and enforceable first or second lien and first or second priority
     security interest (in each case, as indicated on the Mortgage Loan
     Schedule) on the property described therein and the Seller has full right
     to sell and assign the same to the Purchaser. The Mortgaged Property was
     not, as of the date of origination of the Mortgage Loan, subject to a
     mortgage, deed of trust, deed to secure debt or other security instrument
     creating a lien subordinate to the lien of the Mortgage;

               (xi) The Mortgage Note and the related Mortgage are genuine and
     each is the legal, valid and binding obligation of the maker thereof,
     enforceable in accordance with its terms;

               (xii) All parties to the Mortgage Note and the Mortgage had legal
     capacity to enter into the Mortgage Loan and to execute and deliver the
     Mortgage Note and the Mortgage, and the Mortgage Note and the Mortgage have
     been duly and properly executed by such parties. The Mortgagor is a natural
     person;

               (xiii) The proceeds of the Mortgage Loan have been fully
      disbursed to or for the account of the Mortgagor and there is no obligation
     for the Mortgagee to advance additional funds thereunder and any and all
     requirements as to completion of any on-site or off-site improvement and as
     to disbursements of any escrow funds therefor have been complied with. All
     costs, fees and expenses incurred in making or closing the Mortgage Loan
     and the recording of the Mortgage have been paid, and the Mortgagor is not
     entitled to any refund of any amounts paid or due to the Mortgagee pursuant
     to the Mortgage Note or Mortgage;

               (xiv) The Seller is the sole legal, beneficial and equitable
     owner of the Mortgage Note and the Mortgage and has full right to transfer
     and sell the Mortgage Loan to the Purchaser free and clear of any
     encumbrance, equity, lien, pledge, charge, claim or security interest;

               (xv) All parties which have had any legal, beneficial or
     equitable interest in the Mortgage Loan, whether as mortgagee, assignee,
     pledgee or otherwise, are (or, during the period in which they held and
     disposed of such interest, were) in compliance with any and all applicable
     "doing business" and licensing requirements of the laws of the state
     wherein the Mortgaged Property is located;


                                       24

<PAGE>

               (xvi) The Mortgage Loan is covered by an American Land Title
     Association ("ALTA") lender's title insurance policy (which, in the case of
     an Adjustable Rate Mortgage Loan has an adjustable rate mortgage
     endorsement in the form of ALTA 6.0 or 6.1) acceptable to Fannie Mae and
     Freddie Mac, issued by a title insurer acceptable to Fannie Mae and Freddie
     Mac and qualified to do business in the jurisdiction where the Mortgaged
     Property is located, insuring (subject to the exceptions contained in
     (x)(a) and (b), and with respect to any second lien Mortgage Loan (c),
     above) the Seller, its successors and assigns as to the first or second
     priority lien (as indicated on the Mortgage Loan Schedule) of the Mortgage
     in the original principal amount of the Mortgage Loan (including, if the
     Mortgage Loan provides for Negative Amortization, the maximum amount of
     Negative Amortization in accordance with the Mortgage) and, with respect to
     any Adjustable Rate Mortgage Loan, against any loss by reason of the
     invalidity or unenforceability of the lien resulting from the provisions of
     the Mortgage providing for adjustment in the Mortgage Interest Rate and
     Monthly Payment and Negative Amortization provisions of the Mortgage Note.
     Additionally, such lender's title insurance policy affirmatively insures
     ingress and egress to and from the Mortgaged Property, and against
     encroachments by or upon the Mortgaged Property or any interest therein.
     The Seller is the sole insured of such lender's title insurance policy, and
     such lender's title insurance policy is in full force and effect and will
     be in full force and effect upon the consummation of the transactions
     contemplated by this Agreement. No claims have been made under such
     lender's title insurance policy, and no prior holder of the related
     Mortgage, including the Seller, has done, by act or omission, anything
     which would impair the coverage of such lender's title insurance policy;

               (xvii) There is no default, breach, violation or event of
     acceleration existing under the Mortgage or the Mortgage Note and no event
     which, with the passage of time or with notice and the expiration of any
     grace or cure period, would constitute a default, breach, violation or
     event of acceleration, and the Seller has not waived any default, breach,
     violation or event of acceleration. With respect to each second lien
     Mortgage Loan (i) the first lien mortgage loan is in full force and effect,
     (ii) there is no default, breach, violation or event of acceleration
     existing under such first lien mortgage or the related mortgage note, (iii)
     no event which, with the passage of time or with notice and the expiration
     of any grace or cure period, would constitute a default, breach, violation
     or event of acceleration thereunder, (iv) either (A) the first lien
     mortgage contains a provision which allows or (B) applicable law requires,
     the mortgagee under the second lien Mortgage Loan to receive notice of, and
     affords such mortgagee an opportunity to cure any default by payment in
     full or otherwise under the first lien mortgage, (v) the related first lien
     does not provide for or permit negative amortization under such first lien
     Mortgage Loan, and (vi) either no consent for the Mortgage Loan is required
     by the holder of the first lien or such consent has been obtained and is
     contained in the Mortgage File;

               (xviii) There are no mechanics' or similar liens or claims which
     have been filed for work, labor or material (and no rights are outstanding
     that under law could give rise to such lien) affecting the related
     Mortgaged Property which are or may be liens prior to, or equal or
     coordinate with, the lien of the related Mortgage;

               (xix) All improvements which were considered in determining the
     Appraised Value of the related Mortgaged Property lay wholly within the
     boundaries and


                                       25

<PAGE>

     building restriction lines of the Mortgaged Property, and no improvements
     on adjoining properties encroach upon the Mortgaged Property unless
     otherwise disclosed and are affirmatively insured by the title insurance
     policy referred to in (xvi) above;

               (xx) The Mortgage Loan was originated by the Seller or by a
     savings and loan association, a savings bank, a commercial bank or similar
     banking institution which is supervised and examined by a federal or state
     authority, or by a mortgagee approved as such by the Secretary of HUD;

               (xxi) Principal payments on the Mortgage Loan commenced no more
     than sixty (60) days after the proceeds of the Mortgage Loan were
     disbursed. The Mortgage Loan bears interest at the Mortgage Interest Rate.
     With respect to each Mortgage Loan the Mortgage Note is payable on the
     first day of each month in Monthly Payments, which, in the case of a Fixed
     Rate Mortgage Loan, are sufficient to fully amortize the original principal
     balance over the original term thereof (other than with respect to a
     Mortgage Loan identified on the related Mortgage Loan Schedule as an
     interest-only Mortgage Loan during the interest-only period or a Mortgage
     Loan which is identified on the related Mortgage Loan Schedule as a Balloon
     Mortgage Loan) and to pay interest at the related Mortgage Interest Rate,
     and, in the case of an Adjustable Rate Mortgage Loan, are changed on each
     Adjustment Date, and in any case, are sufficient to fully amortize the
     original principal balance over the original term thereof (other than with
     respect to a Mortgage Loan identified on the related Mortgage Loan Schedule
     as an interest-only Mortgage Loan during the interest-only period or a
     Mortgage Loan which is identified on the related Mortgage Loan Schedule as
     a Balloon Mortgage Loan) and to pay interest at the related Mortgage
     Interest Rate. With respect to each Mortgage Loan identified on the
     Mortgage Loan Schedule as an interest-only Mortgage Loan, the interest-
     only period shall not exceed ten (10) years (or such other period specified
     on the Mortgage Loan Schedule) and following the expiration of such
     interest-only period, the remaining Monthly Payments shall be sufficient to
     fully amortize the original principal balance over the remaining term of
     the Mortgage Loan and to pay interest at the related Mortgage Interest
     Rate. With respect to each Balloon Mortgage Loan, the Mortgage Note
     requires a monthly payment which is sufficient to fully amortize the
     original principal balance over the original term thereof and to pay
     interest at the related Mortgage Interest Rate and requires a final Monthly
     Payment substantially greater than the preceding monthly payment which is
     sufficient to repay the remaining unpaid principal balance of the Balloon
     Mortgage Loan at the Due Date of such monthly payment. The Index for each
     Adjustable Rate Mortgage Loan is as set forth on the Mortgage Loan
     Schedule. No Mortgage Loan is a Convertible Mortgage Loan. No Balloon
     Mortgage Loan has an original stated maturity of less than seven (7) years;

               (xxii) The origination, servicing and collection practices used
     with respect to each Mortgage Note and Mortgage including, without
     limitation, the establishment, maintenance and servicing of the Escrow
     Accounts and Escrow Payments, if any, since origination, have been in all
     respects legal, proper, prudent and customary in the mortgage origination
     and servicing industry. The Mortgage Loan has been serviced by the Seller
     and any predecessor servicer in accordance with the terms of the Mortgage
     Note and Accepted Servicing Practices. With respect to escrow deposits and
     Escrow Payments, if any, all such payments are in the possession of, or
     under the control of, the Seller and


                                       26

<PAGE>

     there exist no deficiencies in connection therewith for which customary
     arrangements for repayment thereof have not been made. No escrow deposits
     or Escrow Payments or other charges or payments due the Seller have been
     capitalized under any Mortgage or the related Mortgage Note and no such
     escrow deposits or Escrow Payments are being held by the Seller for any
     work on a Mortgaged Property which has not been completed;

               (xxiii) The Mortgaged Property is free of damage and waste and
     there is no proceeding pending for the total or partial condemnation
     thereof;

               (xxiv) The Mortgage and related Mortgage Note contain customary
     and enforceable provisions such as to render the rights and remedies of the
     holder thereof adequate for the realization against the Mortgaged Property
     of the benefits of the security provided thereby, including, (a) in the
     case of a Mortgage designated as a deed of trust, by trustee's sale, and
     (b) otherwise by judicial foreclosure. The Mortgaged Property has not been
     subject to any bankruptcy proceeding or foreclosure proceeding and the
     Mortgagor has not filed for protection under applicable bankruptcy laws.
     There is no homestead or other exemption available to the Mortgagor which
     would interfere with the right to sell the Mortgaged Property at a
     trustee's sale or the right to foreclose the Mortgage. The Mortgagor has
     not notified the Seller and the Seller has no knowledge of any relief
     requested or allowed to the Mortgagor under the Servicemembers' Civil
     Relief Act;

               (xxv) The Mortgage Loan was underwritten in accordance with the
     Underwriting Guidelines in effect at the time the Mortgage Loan was
     originated which underwriting standards satisfy the standards of FNMA and
     FHLMC; and the Mortgage Note and Mortgage are on forms acceptable to FNMA
     and FHLMC;

               (xxvi) The Mortgage Note is not and has not been secured by any
     collateral except the lien of the corresponding Mortgage on the Mortgaged
     Property and the security interest of any applicable security agreement or
     chattel mortgage referred to in (x) above;

               (xxvii) The Mortgage File contains an appraisal of the related
     Mortgaged Property which satisfied the standards of FNMA and FHLMC, was on
     appraisal form 1004 or form 2055 with an interior inspection and was made
     and signed, prior to the approval of the Mortgage Loan application, by a
     qualified appraiser, duly appointed by the Seller, who had no interest,
     direct or indirect in the Mortgaged Property or in any loan made on the
     security thereof, whose compensation is not affected by the approval or
     disapproval of the Mortgage Loan and who met the minimum qualifications of
     FNMA and FHLMC. Each appraisal of the Mortgage Loan was made in accordance
     with the relevant provisions of the Financial Institutions Reform,
     Recovery, and Enforcement Act of 1989;

               (xxviii) In the event the Mortgage constitutes a deed of trust, a
     trustee, duly qualified under applicable law to serve as such, has been
     properly designated and currently so serves and is named in the Mortgage,
     and no fees or expenses are or will become payable by the Purchaser to the
     trustee under the deed of trust, except in connection with a trustee's sale
     after default by the Mortgagor;


                                       27

<PAGE>

               (xxix) No Mortgage Loan contains provisions pursuant to which
     Monthly Payments are (a) paid or partially paid with funds deposited in any
     separate account established by the Seller, the Mortgagor, or anyone on
     behalf of the Mortgagor, (b) paid by any source other than the Mortgagor or
     (c) contains any other similar provisions which may constitute a "buydown"
     provision. The Mortgage Loan is not a graduated payment mortgage loan and
     the Mortgage Loan does not have a shared appreciation or other contingent
     interest feature;

                (xxx) The Mortgagor has executed a statement to the effect that
     the Mortgagor has received all disclosure materials required by applicable
     law with respect to the making of fixed rate mortgage loans in the case of
     Fixed Rate Mortgage Loans, and adjustable rate mortgage loans in the case
     of Adjustable Rate Mortgage Loans and rescission materials with respect to
     Refinanced Mortgage Loans, and such statement is and will remain in the
     Mortgage File;

               (xxxi) No Mortgage Loan was made in connection with (a) the
     construction or rehabilitation of a Mortgaged Property or (b) facilitating
     the trade-in or exchange of a Mortgaged Property;

               (xxxii) The Seller has no knowledge of any circumstances or
     condition with respect to the Mortgage, the Mortgaged Property, the
     Mortgagor or the Mortgagor's credit standing that can reasonably be
     expected to cause the Mortgage Loan to be an unacceptable investment, or
     cause the Mortgage Loan to become delinquent or adversely affect the value
     of the Mortgage Loan;

               (xxxiii) No Mortgage Loan had an LTV or CLTV at origination in
     excess of 100%. Each Mortgage Loan with an LTV at origination in excess of
     80% is and will be subject to a Primary Insurance Policy, issued by a
     Qualified Insurer, which insures that portion of the Mortgage Loan in
     excess of the portion of the Appraised Value of the Mortgaged Property as
     required by Fannie Mae. All provisions of such Primary Insurance Policy
     have been and are being complied with, such policy is in full force and
     effect, and all premiums due thereunder have been paid. Any Mortgage
     subject to any such Primary Insurance Policy obligates the Mortgagor
     thereunder to maintain such insurance and to pay all premiums and charges
     in connection therewith. The Mortgage Interest Rate for the Mortgage Loan
     does not include any such insurance premium. No Mortgage Loan is subject to
     a lender paid primary mortgage insurance policy;

               (xxxiv) The Mortgaged Property is lawfully occupied under
     applicable law; all inspections, licenses and certificates required to be
     made or issued with respect to all occupied portions of the Mortgaged
     Property and, with respect to the use and occupancy of the same, including
     but not limited to certificates of occupancy, have been made or obtained
     from the appropriate authorities;

               (xxxv) No error, omission, misrepresentation, negligence, fraud
     or similar occurrence with respect to a Mortgage Loan has taken place on
     the part of any person, including without limitation the Mortgagor, any
     appraiser, any builder or developer, or any other party involved in the
     origination of the Mortgage Loan or in the application of any insurance in
     relation to such Mortgage Loan;


                                       28

<PAGE>

               (xxxvi) The Assignment of Mortgage is in recordable form, except
     for the name of the assignee which is blank, and is acceptable for
     recording under the laws of the jurisdiction in which the Mortgaged
     Property is located;

               (xxxvii) Any principal advances made to the Mortgagor prior to
      the Cut-off Date have been consolidated with the outstanding principal
     amount secured by the Mortgage, and the secured principal amount, as
     consolidated, bears a single interest rate and single repayment term. The
     lien of the Mortgage securing the consolidated principal amount is
     expressly insured as having first or second (as indicated on the Mortgage
     Loan Schedule) lien priority by a title insurance policy, an endorsement to
     the policy insuring the mortgagee's consolidated interest or by other title
     evidence acceptable to FNMA or FHLMC. The consolidated principal amount
     does not exceed the original principal amount of the Mortgage Loan plus any
     Negative Amortization;

               (xxxviii)If the Residential Dwelling on the Mortgaged Property is
     a condominium unit or a unit in a planned unit development (other than a de
     minimis planned unit development) such condominium or planned unit
     development project meets the eligibility requirements of the Underwriting
     Guidelines, FNMA and FHLMC;

               (xxxix) The source of the down payment with respect to each
     Mortgage Loan has been fully verified by the Seller;

               (xl) Interest on each Mortgage Loan is calculated on the basis of
     a 360-day year consisting of twelve 30-day months;

               (xli) The Mortgaged Property is in material compliance with all
     applicable environmental laws pertaining to environmental hazards
     including, without limitation, asbestos, and neither the Seller nor, to the
     best of the Seller's and the Servicer's knowledge, the related Mortgagor,
     has received any notice of any violation or potential violation of such
     law;

               (xlii) The Seller shall, at its own expense, cause each Mortgage
     Loan to be covered by a Tax Service Contract which is assignable to the
     Purchaser or its designee; provided however, that if the Seller fails to
     purchase such Tax Service Contract, the Seller shall be required to
     reimburse the Purchaser for all costs and expenses incurred by the
     Purchaser in connection with the purchase of any such Tax Service Contract;

               (xliii) Each Mortgage Loan is covered by a Flood Zone Service
     Contract which is assignable to the Purchaser or its designee or, for each
     Mortgage Loan not covered by such Flood Zone Service Contract, the Seller
     agrees to purchase such Flood Zone Service Contract;

               (xliv) No Mortgage Loan is (a)(1) subject to the provisions of
     the Homeownership and Equity Protection Act of 1994 as amended ("HOEPA") or
     (2) has an APR or total points and fees that are equal to or exceeds the
     HOEPA thresholds (as defined in 12 CFR 226.32 (a)(1)(i) and (ii)), (b) a
      "high cost" mortgage loan, "covered" mortgage loan, "high risk home"
     mortgage loan, or "predatory" mortgage loan or any other comparable term,
     no matter how defined under any federal, state or local law, (c)


                                        29

<PAGE>

     subject to any comparable federal, state or local statutes or regulations,
     or any other statute or regulation providing for heightened regulatory
     scrutiny or assignee liability to holders of such mortgage loans, or (d) a
      High Cost Loan or Covered Loan, as applicable (as such terms are defined in
     the current Standard & Poor's LEVELS(R) Glossary Revised, Appendix E);

               (xlv) No predatory, abusive, or deceptive lending practices,
     including but not limited to, the extension of credit to a Mortgagor
     without regard for the Mortgagor's ability to repay the Mortgage Loan and
     the extension of credit to a Mortgagor which has no apparent benefit to the
     Mortgagor, were employed in connection with the origination of the Mortgage
     Loan. Each Mortgage Loan is in compliance with the anti- predatory lending
     eligibility for purchase requirements of the Fannie Mae Guides;

               (xlvi) Unless otherwise specified in the related Confirmation or
     the related Mortgage Loan Schedule, the debt-to-income ratio of the related
     Mortgagor was not greater than 60% at the origination of the related
     Mortgage Loan;

               (xlvii) No Mortgagor was required to purchase any credit
     insurance product (e.g., life, mortgage, disability, accident, unemployment
     or health insurance product) or debt cancellation agreement as a condition
     of obtaining the extension of credit. No Mortgagor obtained a prepaid
     single premium credit insurance policy (e.g., life, mortgage, disability,
     accident, unemployment or health insurance product) or debt cancellation
     agreement in connection with the origination of the Mortgage Loan. No
     proceeds from any Mortgage Loan were used to purchase single premium credit
     insurance policies or debt cancellation agreements as part of the
     origination of, or as a condition to closing, such Mortgage Loan;

               (xlviii) The Mortgage Loans were not selected from the
      outstanding one- to four-family mortgage loans in the Seller's portfolio as
     to which the representations and warranties set forth in this Agreement
     could be made at the related Closing Date in a manner so as to affect
     adversely the interests of the Purchaser;

               (xlix) The Mortgage contains an enforceable provision for the
     acceleration of the payment of the unpaid principal balance of the Mortgage
     Loan in the event that the Mortgaged Property is sold or transferred
      without the prior written consent of the mortgagee thereunder;

               (l) The Mortgage Loan complies with all applicable consumer
     credit statutes and regulations, including, without limitation, the
     respective Uniform Consumer Credit Code laws in effect in Alabama,
     Colorado, Idaho, Indiana, Iowa, Kansas, Maine, Oklahoma, South Carolina,
     Utah, West Virginia and Wyoming, has been originated by a properly licensed
     entity, and in all other respects, complies with all of the material
     requirements of any such applicable laws;

               (li) The information set forth in the Mortgage Loan Schedule as
     to Prepayment Charges is complete, true and correct in all material
     respects and each Prepayment Charge is permissible and enforceable in
     accordance with its terms upon the Mortgagor's full and voluntary principal
     payment under applicable law, except to the


                                       30
<PAGE>


     extent that: (1) enforceability thereof may be limited by bankruptcy,
     insolvency, moratorium, receivership and other similar laws relating to
     creditors' rights; (2) the collectability thereof may be limited due to
     acceleration in connection with a foreclosure or other involuntary
      prepayment; or (3) subsequent changes in applicable law may limit or
     prohibit enforceability thereof under applicable law;

               (lii) The Mortgage Loan was not prepaid in full prior to the
     Closing Date and the Seller has not received notification from a Mortgagor
     that a prepayment in full shall be made after the Closing Date;

               (liii) No Mortgage Loan is secured by cooperative housing,
     commercial property or mixed use property;

               (liv) Reserved;

               (lv) Except as set forth on the related Mortgage Loan Schedule,
     none of the Mortgage Loans are subject to a Prepayment Charge. For any
     Mortgage Loan originated prior to October 1, 2002 that is subject to a
     Prepayment Charge, such Prepayment Charge does not extend beyond five (5)
     years after the date of origination. For any Mortgage Loan originated on or
     following October 1, 2002 that is subject to a Prepayment Charge, such
     Prepayment Charge does not extend beyond three (3) years after the date of
     origination. With respect to any Mortgage Loan that contains a provision
     permitting imposition of a premium upon a prepayment prior to maturity: (i)
     prior to the Mortgage Loan's origination, the Mortgagor agreed to such
     premium in exchange for a monetary benefit, including but not limited to a
     rate or fee reduction, (ii) prior to the Mortgage Loan's origination, the
     Mortgagor was offered the option of obtaining a Mortgage Loan that did not
      require payment of such a premium, (iii) the prepayment premium is
     disclosed to the Mortgagor in the loan documents pursuant to applicable
     state and federal law, and (iv) notwithstanding any state or federal law to
     the contrary, the Seller shall not impose such Prepayment Charge in any
     instance when the mortgage loan is accelerated or paid off in connection
     with the workout of a delinquent Mortgage Loan or as the result of the
     Mortgagor's default in making the loan payments;

               (lvi) The Seller has complied with all applicable anti-money
     laundering laws and regulations, including without limitation the USA
     Patriot Act of 2001 (collectively, the "Anti-Money Laundering Laws"); the
     Seller has established an anti- money laundering compliance program as
     required by the Anti-Money Laundering Laws, has conducted the requisite due
     diligence in connection with the origination of each Mortgage Loan for
     purposes of the Anti-Money Laundering Laws, including with respect to the
     legitimacy of the applicable Mortgagor and the origin of the assets used by
     the said Mortgagor to purchase the Mortgaged Property, and maintains, and
     will maintain, sufficient information to identify the applicable Mortgagor
     for purposes of the Anti-Money Laundering Laws. No Mortgage Loan is subject
     to nullification pursuant to Executive Order 13224 (the "Executive Order")
     or the regulations promulgated by the Office of Foreign Assets Control of
     the United States Department of the Treasury (the "OFAC Regulations") or in
     violation of the Executive Order or the OFAC Regulations, and no Mortgagor
     is subject to the provisions of such Executive Order or the OFAC
     Regulations nor listed as a "blocked person" for purposes of the OFAC
     Regulations;


                                       31

<PAGE>

               (lvii) No Mortgagor was encouraged or required to select a
     Mortgage Loan product offered by the Mortgage Loan's originator which is a
     higher cost product designed for less creditworthy borrowers, unless at the
     time of the Mortgage Loan's origination, such Mortgagor did not qualify
     taking into account credit history and debt to income ratios for a lower
      cost credit product then offered by the Mortgage Loan's originator or any
     affiliate of the Mortgage Loan's originator. If, at the time of loan
     application, the Mortgagor may have qualified for a for a lower cost credit
     product then offered by any mortgage lending affiliate of the Mortgage
     Loan's originator, the Mortgage Loan's originator referred the Mortgagor's
     application to such affiliate for underwriting consideration. With respect
     to any Mortgage Loan, the Mortgagor was assigned the highest credit grade
     available with respect to a mortgage loan product offered by such Mortgage
     Loan's originator, based on a comprehensive assessment of risk factors,
     including the Mortgagor's credit history;

               (lviii) The methodology used in underwriting the extension of
     credit for each Mortgage Loan employs objective mathematical principles
     which relate the Mortgagor's income, assets, liabilities and/or credit
     history to the proposed payment and such underwriting methodology does not
     rely on the extent of the Mortgagor's equity in the collateral as the
     principal determining factor in approving such credit extension. Such
     underwriting methodology confirmed that at the time of origination
     (application/approval) the Mortgagor had a reasonable ability to make
     timely payments on the Mortgage Loan;

               (lix) With respect to each Mortgage Loan, the Seller has fully
     and accurately furnished complete information (i.e., favorable and
     unfavorable) on the related borrower credit files to Equifax, Experian and
     Trans Union Credit Information Company, in accordance with the Fair Credit
     Reporting Act and its implementing regulations, on a monthly basis and, for
     each Mortgage Loan, the Seller will furnish, in accordance with the Fair
     Credit Reporting Act and its implementing regulations, accurate and
     complete information on its borrower credit files to Equifax, Experian, and
     Trans Union Credit Information Company, on a monthly basis;

               (lx) All points and fees related to each Mortgage Loan were
     disclosed in writing to the related Borrower in accordance with applicable
     state and federal laws and regulations. No related Borrower was charged
     "points and fees" (whether or not financed) in an amount greater than (a)
     $1,000 or (b) 5% of the principal amount of such loan, whichever is
     greater, such 5% limitation is calculated in accordance with Fannie Mae's
      anti-predatory lending requirements as set forth in the Fannie Mae Guides.
     For purposes of this representation, "points and fees" (a) include
     origination, underwriting, broker and finder's fees and other charges that
     the lender imposed as a condition of making the loan, whether they are paid
     to the lender or a third party, and (b) exclude bona fide discount points,
     fees paid for actual services rendered in connection with the origination
     of the mortgage (such as attorneys' fees, notaries fees and fees paid for
     property appraisals, credit reports, surveys, title examinations and
     extracts, flood and tax certifications, and home inspections); the cost of
     mortgage insurance or credit-risk price adjustments; the costs of title,
     hazard, and flood insurance policies; state and local transfer taxes or
     fees; escrow deposits for the future payment of taxes and insurance
     premiums; and other miscellaneous fees and charges that, in total, do not
     exceed 0.25 percent of the loan amount. All points, fees and charges
     (including finance charges) and whether or not


                                       32

<PAGE>

     financed, assessed, collected or to be collected in connection with the
     origination and servicing of each Mortgage Loan were disclosed in writing
     to the related Mortgagor in accordance with applicable state and federal
     laws and regulations;

               (lxi) The Seller or the Servicer will transmit full-file credit
     reporting data for each Mortgage Loan pursuant to Fannie Mae Guide
     Announcement 95-19 and for each Mortgage Loan, Seller and Servicer agree
     that either Seller or Servicer shall report one of the following statuses
     each month as follows: new origination, current, delinquent (30-, 60-,
     90-days, etc.), foreclosed, or charged-off;

               (lxii) With respect to any Mortgage Loan which is secured by
     manufactured housing, if such Mortgage Loans are permitted hereunder, such
     Mortgage Loan satisfies the requirements for inclusion in residential
     mortgage backed securities transactions rated by Standard & Poor's Ratings
     Services and such manufactured housing will be the principal residence of
     the Mortgagor upon the origination of the Mortgage Loan. With respect to
     any second lien Mortgage Loan, such lien is on a one- to four- family
     residence that is (or will be) the principal residence of the Mortgagor
     upon the origination of the second lien Mortgage Loan; (lxiii) Each
     Mortgage Loan constitutes a "qualified mortgage" under Section
     860G(a)(3)(A) of the Code and Treasury Regulation Section 1.860G-2(a)(1);


               (lxiv) No Mortgage Loan is secured by real property or secured by
     a manufactured home located in the state of Georgia unless (x) such
     Mortgage Loan was originated prior to October 1, 2002 or after March 6,
     2003, or (y) the property securing the Mortgage Loan is not, nor will be,
     occupied by the Mortgagor as the Mortgagor's principal dwelling. No
     Mortgage Loan is a "High Cost Home Loan" as defined in the Georgia Fair
     Lending Act, as amended (the "Georgia Act"). Each Mortgage Loan that is a
     "Home Loan" under the Georgia Act complies with all applicable provisions
     of the Georgia Act. No Mortgage Loan secured by owner occupied real
     property or an owner occupied manufactured home located in the State of
     Georgia was originated (or modified) on or after October 1, 2002 through
     and including March 6, 2003;

               (lxv) No Mortgage Loan is a "High-Cost" loan as defined under the
     New York Banking Law Section 6-1, effective as of April 1, 2003;

               (lxvi) No Mortgage Loan (a) is secured by property located in the
      State of New York; (b) had an unpaid principal balance at origination of
     $300,000 or less, and (c) has an application date on or after April 1,
     2003, the terms of which Mortgage Loan equal or exceed either the APR or
     the points and fees threshold for "high-cost home loans", as defined in
     Section 6-1 of the New York State Banking Law;

               (lxvii) No Mortgage Loan is a "High Cost Home Loan" as defined in
     the Arkansas Home Loan Protection Act effective July 16, 2003 (Act 1340 or
     2003);

               (lxviii) No Mortgage Loan is a "High Cost Home Loan" as defined
     in the Kentucky high-cost loan statute effective June 24, 2003 (Ky. Rev.
     Stat. Section 360.100);


                                       33

<PAGE>

               (lxix) No Mortgage Loan secured by property located in the State
     of Nevada is a "home loan" as defined in the Nevada Assembly Bill No. 284;

               (lxx) No Mortgage Loan is a "manufactured housing loan" or "home
     improvement home loan" pursuant to the New Jersey Home Ownership Act. No
     Mortgage Loan is a "High-Cost Home Loan" or a refinanced "Covered Home
     Loan," in each case, as defined in the New Jersey Home Ownership Act
     effective November 27, 2003 (N.J.S.A. 46; 10B-22 et seq.);

               (lxxi) No Mortgage Loan is a subsection 10 mortgage under the
     Oklahoma Home Ownership and Equity protection Act;

               (lxxii) No Mortgage Loan is a "High-Cost Home Loan" as defined in
     the New Mexico Home Loan Protection Act effective January 1, 2004 (N.M.
     Stat. Ann. Sections 58- 21A-1 et seq.);

               (lxxiii) No Mortgage Loan is a "High-Risk Home Loan" as defined
     in the Illinois High-Risk Home Loan Act effective January 1, 2004 (815 Ill.
     Comp. Stat. 137/1 et seq.);

               (lxxiv) No Loan that is secured by property located within the
     State of Maine meets the definition of a (i) "high-rate, high-fee" mortgage
     loan under Article VIII, Title 9-A of the Maine Consumer Credit Code or
     (ii) "High-Cost Home Loan" as defined under the Maine House Bill 383 L.D.
     494, effective as of September 13, 2003;

               (lxxv) With respect to any Loan for which a mortgage loan
     application was submitted by the Mortgagor after April 1, 2004, no such
     Loan secured by Mortgaged Property in the State of Illinois which has a
     Loan Interest Rate in excess of 8.0% per annum has lender-imposed fees (or
     other charges) in excess of 3.0% of the original principal balance of the
     Loan;

               (lxxvi) No Mortgage Loan is a "High Cost Home Mortgage Loan" as
     defined in the Massachusetts Predatory Home Loan Practices Act, effective
     November 7, 2004 (Mass. Ann. Laws Ch. 183C). No Mortgage Loan secured by a
     Mortgaged Property located in the Commonwealth of Massachusetts was made to
     pay off or refinance an existing loan or other debt of the related borrower
     (as the term "borrower" is defined in the regulations promulgated by the
     Massachusetts Secretary of State in connection with Massachusetts House
     Bill 4880 (2004)) unless either (1) (a) the related Mortgage Interest Rate
     (that would be effective once the introductory rate expires, with respect
     to Adjustable Rate Mortgage Loans) did or would not exceed by more than
     2.25% the yield on United States Treasury securities having comparable
     periods of maturity to the maturity of the related Mortgage Loan as of the
     fifteenth day of the month immediately preceding the month in which the
     application for the extension of credit was received by the related lender
     or (b) the Mortgage Loan is an "open-end home loan" (as such term is used
     in the Massachusetts House Bill 4880 (2004)) and the related Mortgage Note
     provides that the related Mortgage Interest Rate may not exceed at any time
     the Prime rate index as published in The Wall Street Journal plus a margin
     of one percent, or (2) such Mortgage Loan is in the "borrower's interest,"
     as documented by a "borrower's interest worksheet"


                                       34

<PAGE>

     for the particular Mortgage Loan, which worksheet incorporates the factors
     set forth in Massachusetts House Bill 4880 (2004) and the regulations
     promulgated thereunder for determining "borrower's interest," and otherwise
     complies in all material respects with the laws of the Commonwealth of
     Massachusetts;

               (lxxvii) No Loan is a "High Cost Home Loan" as defined by the
     Indiana Home Loan Practices Act, effective January 1, 2005 (Ind. Code Ann.
     Sections 24-9-1 et seq.);

               (lxxviii) The Mortgagor has not made or caused to be made any
     payment in the nature of an "average" or "yield spread premium" to a
     mortgage broker or a like Person which has not been fully disclosed to the
     Mortgagor;

               (lxxix) The sale or transfer of the Mortgage Loan by the Seller
     complies with all applicable federal, state, and local laws, rules, and
     regulations governing such sale or transfer, including, without limitation,
     the Fair and Accurate Credit Transactions Act ("FACT Act") and the Fair
     Credit Reporting Act, each as may be amended from time to time, and the
      Seller has not received any actual or constructive notice of any identity
     theft, fraud, or other misrepresentation in connection with such Mortgage
     Loan or any party thereto;

               (lxxx) With respect to each MOM Loan, a MIN has been assigned by
     MERS and such MIN is accurately provided on the Mortgage Loan Schedule. The
     related Assignment of Mortgage to MERS has been duly and properly recorded,
     or has been delivered for recording to the applicable recording office;

                (lxxxi) With respect to each MOM Loan, Seller has not received
     any notice of liens or legal actions with respect to such Mortgage Loan and
     no such notices have been electronically posted by MERS;

               (lxxxii) With respect to each second lien Mortgage Loan, (i) if
     the related first lien provides for negative amortization, the CLTV was
     calculated at the maximum principal balance of such first lien that could
     result upon application of such negative amortization feature, and (ii)
     either no consent for the Mortgage Loan is required by the holder of the
     first lien or such consent has been obtained and is contained in the
     Mortgage File; and

               (lxxxiii) No Mortgagor agreed to submit to arbitration to resolve
     any dispute arising out of or relating in any way to the Mortgage Loan
     transaction.

               (lxxxiv) No Mortgage Loan is subject to mandatory arbitration;

               (lxxxv) No Mortgage Loan is secured by a lien on a "condo hotel;"

               (lxxxvi) Reserved.

               (lxxxvii) No Mortgage Loan is subject to Negative Amortization.


                                       35

<PAGE>

          Subsection 7.03. Remedies for Breach of Representations and
Warranties.

          It is understood and agreed that the representations and warranties
set forth in Subsections 7.01 and 7.02 shall survive the sale of the Mortgage
Loans to the Purchaser and shall inure to the benefit of the Purchaser,
notwithstanding any restrictive or qualified endorsement on any Mortgage Note or
Assignment of Mortgage or the examination or lack of examination of any Mortgage
File. Upon discovery by the Seller, the Servicer or the Purchaser of a breach of
any of the foregoing representations and warranties which materially and
adversely affects the value of the Mortgage Loans or the interest of the
Purchaser (or which materially and adversely affects the value of a Mortgage
Loan or the interests of the Purchaser in the related Mortgage Loan in the case
of a representation and warranty relating to a particular Mortgage Loan), or in
the event that any Mortgagor fails to make the first payment due to the
Purchaser following the Closing Date, the party discovering such breach shall
give prompt written notice to the other parties.

          Within sixty (60) days of the earlier of either discovery by, or
notice to the Seller or the Servicer, of any breach of a representation or
warranty which materially and adversely affects the value of a Mortgage Loan or
the Mortgage Loans or the Purchaser's interest in a Mortgage Loan or the
Mortgage Loans, the Seller or the Servicer, as applicable, shall use its best
efforts promptly to cure such breach in all material respects and, if such
breach cannot be cured, the Seller shall, at the Purchaser's option, (i)
repurchase such Mortgage Loan at the Repurchase Price, or (ii) substitute a
Qualified Substitute Mortgage Loan for such Mortgage Loan as provided below. In
the event that a breach shall involve any representation or warranty set forth
in Subsection 7.01 and such breach cannot be cured within 60 days of the earlier
of either discovery by or notice to the Seller of such breach, all of the
Mortgage Loans shall, at the Purchaser's option, be repurchased by the Seller at
the Repurchase Price. The Seller shall, at the request of the Purchaser and
assuming that Seller has a Qualified Substitute Mortgage Loan, rather than
repurchase the Mortgage Loan as provided above, remove such Mortgage Loan and
substitute in its place a Qualified Substitute Mortgage Loan or Loans; provided
that such substitution shall be effected not later than 120 days after the
related Closing Date. If the Seller has no Qualified Substitute Mortgage Loan,
it shall repurchase the deficient Mortgage Loan. Any repurchase of a Mortgage
Loan(s) pursuant to the foregoing provisions of this Subsection 7.03 shall occur
on a date designated by the Purchaser and shall be accomplished by deposit in
the Custodial Account of the amount of the Repurchase Price for distribution to
the Purchaser on the next scheduled Distribution Date. Notwithstanding anything
to the contrary contained herein, it is understood by the parties hereto that a
breach of the representations and warranties made in Subsections 7.02(viii),
(xliv), (xlvii), (lv), (lvii), (lviii), (lix), (lx), (lxii), (lxiii), (lxiv) or
(lxxxiii) will be deemed to materially and adversely affect the value of the
related Mortgage Loan or the interest of the Purchaser therein.

          At the time of repurchase of any deficient Mortgage Loan, the
Purchaser, the Seller and the Servicer shall arrange for the reassignment of the
repurchased Mortgage Loan to the Seller and the delivery to the Seller of any
documents held by the Custodian relating to the repurchased Mortgage Loan. In
the event the Repurchase Price is deposited in the Custodial Account, the Seller
shall, simultaneously with such deposit, give written notice to the Purchaser
that such deposit has taken place. Upon such repurchase the related Mortgage
Loan Schedule shall be amended to reflect the withdrawal of the repurchased
Mortgage Loan from this Agreement.


                                       36

<PAGE>

          As to any Deleted Mortgage Loan for which the Seller substitutes a
Qualified Substitute Mortgage Loan or Loans, the Seller shall effect such
substitution by delivering to the Purchaser for such Qualified Substitute
Mortgage Loan or Loans the Mortgage Note, the Mortgage, the Assignment of
Mortgage and such other documents and agreements as are set forth in Exhibit 13
hereto, with the Mortgage Note endorsed as required therein. The Seller shall
deposit in the Custodial Account the Monthly Payment less the Servicing Fee due
on such Qualified Substitute Mortgage Loan or Loans in the month following the
date of such substitution. Monthly Payments due with respect to Qualified
Substitute Mortgage Loans in the month of substitution will be retained by the
Seller. For the month of substitution, distributions to the Purchaser will
include the Monthly Payment due on such Deleted Mortgage Loan in the month of
substitution, and the Seller shall thereafter be entitled to retain all amounts
subsequently received by the Seller in respect of such Deleted Mortgage Loan.
The Seller shall give written notice to the Purchaser that such substitution has
taken place and shall amend the Mortgage Loan Schedule to reflect the removal of
such Deleted Mortgage Loan from the terms of this Agreement and the substitution
of the Qualified Substitute Mortgage Loan. Upon such substitution, such
Qualified Substitute Mortgage Loan or Loans shall be subject to the terms of
this Agreement in all respects, and the Seller shall be deemed to have made with
respect to such Qualified Substitute Mortgage Loan or Loans, as of the date of
substitution, the covenants, representations and warranties set forth in
Subsections 7.01 and 7.02.

          For any month in which the Seller substitutes one or more Qualified
Substitute Mortgage Loans for one or more Deleted Mortgage Loans, the Seller
will determine the amount (if any) by which the aggregate principal balance of
all such Qualified Substitute Mortgage Loans as of the date of substitution is
less than the aggregate Stated Principal Balance of all such Deleted Mortgage
Loans (after application of scheduled principal payments due in the month of
substitution). An amount equal to the sum of (x) the product of (i) the amount
of such shortfall and (ii) the greater of, the Purchase Price Percentage used to
calculate the Purchase Price, as stated in the related Confirmation, and 100%,
and (y) accrued interest on the amount of such shortfall to the last day of the
month such substitution occurs, shall be distributed by the Seller in the month
of substitution pursuant to the Servicing Addendum. Accordingly, on the date of
such substitution, the Seller will deposit from its own funds into the Custodial
Account an amount equal to such amount.

          In addition to such cure, repurchase and substitution obligation, the
Seller shall indemnify the Initial Purchaser and any subsequent Purchaser and
hold them harmless against any losses, damages, penalties, fines, forfeitures,
reasonable and necessary legal fees and related costs, judgments, and other
costs and expenses resulting from any claim, demand, defense or assertion based
on or grounded upon, or resulting from, a breach of the Seller's representations
and warranties, respectively, contained in this Section 7, including, without
limitation, any loss incurred by the Purchaser of any Prepayment Charge to which
the Purchaser would otherwise be entitled pursuant to this Agreement. It is
understood and agreed that the obligations of the Seller set forth in this
Subsection 7.03 to cure, substitute for or repurchase a defective Mortgage Loan
and to indemnify the Initial Purchaser and any subsequent Purchaser as provided
in this Subsection 7.03 constitute the sole remedies of the Initial Purchaser
and any subsequent Purchaser respecting a breach of the foregoing
representations and warranties. The indemnification obligation of the Seller set
forth herein shall survive the termination of this Agreement.


                                       37

<PAGE>

          Any cause of action against the Seller or the Servicer relating to or
arising out of the breach of any representations and warranties made in
Subsections 7.01 or 7.02 shall accrue as to any Mortgage Loan upon (i) discovery
of such breach by the Purchaser or notice thereof by the Seller or the Servicer
to the Purchaser, and (ii) demand upon the Seller or the Servicer by the
Purchaser for compliance with the relevant provisions of this Agreement.

          In addition to the foregoing, in the event that a breach of any
representation of the Seller materially and adversely affects the interests of
the Purchaser in any Prepayment Charge or the collectability of such Prepayment
Charge, the Seller shall pay the amount of the scheduled Prepayment Charge to
the Purchaser upon the payoff of any related Mortgage Loan.

          Subsection 7.04. Repurchase of Certain Mortgage Loans; Premium
                           Protection.

          (a) In the event that (i) the first Due Date for a Mortgage Loan is
prior to the Cut-off Date and the initial Monthly Payment is not made by the
related Mortgagor within thirty (30) days of such Due Date or (ii) any of the
first, second or third Monthly Payments on any Mortgage Loan due following the
Cut-off Date is not made by the related Mortgagor within thirty (30) days of the
related Due Date, then, in each such case, the Seller shall repurchase the
affected Mortgage Loans at the Repurchase Price, which shall be paid as provided
for in Subsection 7.03. The Seller shall notify the Purchaser of any such
default under this Subsection 7.04(a) within thirty (30) days of any such
Mortgage Loan becoming thirty (30) days delinquent.

          (b) In the event that any Mortgage Loan prepays-in-full within ninety
(90) days following the related Closing Date, Seller shall remit to the Initial
Purchaser an amount equal to the product of (i) the excess of (A) the percentage
of par as stated in the related Confirmation as the purchase price percentage
(subject to adjustment as provided therein) over (B) 100%, times (ii) the
outstanding principal balance of such Mortgage Loan as of the Cut-off Date. Such
obligation to the Initial Purchaser shall survive any sale or assignment of the
M


 
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