Document:

EXECUTION

    

     

    
 

     

    STRUCTURED
      ASSET SECURITIES CORPORATION, as Depositor,

     

    

    AURORA
      LOAN SERVICES LLC, as Master Servicer,

     

    WELLS
      FARGO BANK, N.A., as Securities Administrator,

     

    and

     

    U.S.
      BANK
      NATIONAL ASSOCIATION,

    as
      Trustee

     

    ___________________________

     

    TRUST
      AGREEMENT

     

    Dated
      as
      of November 1, 2007

    ___________________________

     

    LEHMAN
      MORTGAGE TRUST

    MORTGAGE
      PASS-THROUGH CERTIFICATES

    SERIES
      2007-10

     

    
      
        
        

      

      
        
        

        
          

        

      

      
        
        

      

    

    TABLE
      OF
      CONTENTS

    
      

        
          	     	
                  Page

                
	 	 
	
                  ARTICLE
                    I DEFINITIONS

                	
                  10

                
	 	 
	
                  Section
                    1.01. Definitions

                	
                  10

                
	
                  Section
                    1.02. Calculations Respecting Mortgage Loans

                	
                  52

                
	 	 
	
                  ARTICLE
                    II DECLARATION OF TRUST; ISSUANCE OF CERTIFICATES

                	
                  53

                
	 	 
	
                  Section
                    2.01. Creation and Declaration of Trust Fund; Conveyance of Mortgage
                    Loans

                	
                  53

                
	
                  Section
                    2.02. Acceptance of Trust Fund by Trustee: Review of Documentation
                    for
                    Trust Fund

                	
                  57

                
	
                  Section
                    2.03. Representations and Warranties of the Depositor

                	
                  59

                
	
                  Section
                    2.04. Discovery of Breach

                	
                  61

                
	
                  Section
                    2.05. Repurchase, Purchase or Substitution of Mortgage
                    Loans

                	
                  61

                
	
                  Section
                    2.06. Grant Clause

                	
                  63

                
	 	 
	
                  ARTICLE
                    III THE CERTIFICATES

                	
                  64

                
	 	 
	
                  Section
                    3.01. The Certificates

                	
                  64

                
	
                  Section
                    3.02. Registration

                	
                  65

                
	
                  Section
                    3.03. Transfer and Exchange of Certificates

                	
                  66

                
	
                  Section
                    3.04. Cancellation of Certificates

                	
                  73

                
	
                  Section
                    3.05. Replacement of Certificates

                	
                  73

                
	
                  Section
                    3.06. Persons Deemed Owners

                	
                  73

                
	
                  Section
                    3.07. Temporary Certificates

                	
                  73

                
	
                  Section
                    3.08. Appointment of Paying Agent

                	
                  74

                
	
                  Section
                    3.09. Book-Entry Certificates

                	
                  75

                
	
                  Section
                    3.10. Deposit of Underlying REMIC Certificates under the Exchange
                    Trust
                    Agreement

                	
                  77

                
	 	 
	
                  ARTICLE
                    IV ADMINISTRATION OF THE TRUST FUND

                	
                  77

                
	 	 
	
                  Section
                    4.01. Collection Account

                	
                  77

                
	
                  Section
                    4.02. Application of Funds in the Collection Account

                	
                  79

                
	
                  Section
                    4.03. Reports to Certificateholders

                	
                  81

                
	
                  Section
                    4.04. Certificate Account

                	
                  86

                
	 	 
	
                  ARTICLE
                    V DISTRIBUTIONS TO HOLDERS OF CERTIFICATES

                	
                  87

                
	 	 
	
                  Section
                    5.01. Distributions Generally

                	
                  87

                
	
                  Section
                    5.02. Distributions from the Certificate Account

                	
                  88

                
	
                  Section
                    5.03. Allocation of Realized Losses

                	
                  96

                
	
                  Section
                    5.04. Advances by the Master Servicer and the Securities
                    Administrator

                	
                  99

                
	
                  Section
                    5.05. Compensating Interest Payments

                	
                  100

                
	 	 
	
                  ARTICLE
                    VI CONCERNING THE TRUSTEE AND THE SECURITIES ADMINISTRATOR; EVENTS
                    OF
                    DEFAULT

                	
                  100

                
	 	 
	
                  Section
                    6.01. Duties of Trustee and Securities Administrator

                	
                  100

                

        

         

        
          
            
            

          

          
            i

            
              

            

          

          
            
            

          

        

         

        
          	
                  Section
                    6.02. Certain Matters Affecting the Trustee and the Securities
                    Administrator

                	
                  103

                
	
                  Section
                    6.03. Trustee and Securities Administrator Not Liable for
                    Certificates

                	
                  105

                
	
                  Section
                    6.04. Trustee and Securities Administrator May Own
                    Certificates

                	
                  105

                
	
                  Section
                    6.05. Eligibility Requirements for Trustee and Securities
                    Administrator

                	
                  106

                
	
                  Section
                    6.06. Resignation and Removal of Trustee and Securities
                    Administrator

                	
                  106

                
	
                  Section
                    6.07. Successor Trustee and Successor Securities
                    Administrator

                	
                  107

                
	
                  Section
                    6.08. Merger or Consolidation of Trustee or Securities
                    Administrator

                	
                  108

                
	
                  Section
                    6.09. Appointment of Co-Trustee, Separate Trustee or
                    Custodian

                	
                  109

                
	
                  Section
                    6.10. Authenticating Agents

                	
                  110

                
	
                  Section
                    6.11. Indemnification of Trustee and Securities
                    Administrator

                	
                  111

                
	
                  Section
                    6.12. Fees and Expenses of Securities Administrator, Trustee
                    and
                    Custodian

                	
                  112

                
	
                  Section
                    6.13. Collection of Monies

                	
                  113

                
	
                  Section
                    6.14. Events of Default; Trustee To Act; Appointment of
                    Successor

                	
                  113

                
	
                  Section
                    6.15. Additional Remedies of Trustee Upon Event of Default

                	
                  118

                
	
                  Section
                    6.16. Waiver of Defaults

                	
                  119

                
	
                  Section
                    6.17. Notification to Holders

                	
                  119

                
	
                  Section
                    6.18. Directions by Certificateholders and Duties of Trustee
                    During Event
                    of Default

                	
                  119

                
	
                  Section
                    6.19. Action Upon Certain Failures of the Master Servicer and
                    Upon Event
                    of Default

                	
                  120

                
	
                  Section
                    6.20. Preparation of Tax Returns and Other Reports

                	
                  120

                
	
                  Section
                    6.21. [Reserved]

                	
                  128

                
	
                  Section
                    6.22. No Merger

                	
                  128

                
	
                  Section
                    6.23. Indemnification by the Securities Administrator and Paying
                    Agent

                	
                  128

                
	
                  Section
                    6.24. Compliance with Regulation AB

                	
                  129

                
	 	 
	
                  ARTICLE
                    VII PURCHASE AND TERMINATION OF THE TRUST FUND

                	
                  129

                
	 	 
	
                  Section
                    7.01. Termination of Trust Fund Upon Repurchase or Liquidation
                    of All
                    Mortgage Loans

                	
                  129

                
	
                  Section
                    7.02. Procedure Upon Termination of Trust Fund

                	
                  131

                
	
                  Section
                    7.03. Additional Requirements for any Trust Fund Termination
                    Events or
                    Purchase of the Lower Tier REMIC 1 Uncertificated Regular
                    Interests

                	
                  132

                
	
                  Section
                    7.04. Charged-off Loans and Released Mortgage Loans

                	
                  134

                
	 	 
	
                  ARTICLE
                    VIII RIGHTS OF CERTIFICATEHOLDERS

                	
                  134

                
	 	 
	
                  Section
                    8.01. Limitation on Rights of Holders

                	
                  134

                
	
                  Section
                    8.02. Access to List of Holders

                	
                  135

                
	
                  Section
                    8.03. Acts of Holders of Certificates

                	
                  136

                
	 	 
	
                  ARTICLE
                    IX ADMINISTRATION AND SERVICING OF MORTGAGE LOANS BY THE MASTER
                    SERVICER

                	
                  137

                
	 	 
	
                  Section
                    9.01. Duties of the Master Servicer

                	
                  137

                
	
                  Section
                    9.02. Master Servicer Fidelity Bond and Master Servicer Errors
                    and
                    Omissions Insurance Policy

                	
                  137

                

        

         

        
          
            
            

          

          
            ii

            
              

            

          

          
            
            

          

        

         

        
          	
                  Section
                    9.03. Master Servicer’s Financial Statements and Related
                    Information

                	
                  138

                
	
                  Section
                    9.04. Power to Act; Procedures

                	
                  138

                
	
                  Section
                    9.05. Servicing Agreements Between the Master Servicer and Servicers;
                    Enforcement of Servicers’ Obligations

                	
                  140

                
	
                  Section
                    9.06. Collection of Taxes, Assessments and Similar Items

                	
                  141

                
	
                  Section
                    9.07. Termination of Servicing Agreements; Successor
                    Servicers

                	
                  142

                
	
                  Section
                    9.08. Master Servicer Liable for Enforcement

                	
                  143

                
	
                  Section
                    9.09. No Contractual Relationship Between Servicers and Trustee
                    or
                    Depositor

                	
                  143

                
	
                  Section
                    9.10. Assumption of Servicing Agreement by Securities
                    Administrator

                	
                  143

                
	
                  Section
                    9.11. “Due-on-Sale” Clauses; Assumption Agreements

                	
                  144

                
	
                  Section
                    9.12. Release of Mortgage Files

                	
                  144

                
	
                  Section
                    9.13. Documents, Records and Funds in Possession of Master Servicer
                    To Be
                    Held for Trustee

                	
                  146

                
	
                  Section
                    9.14. Representations and Warranties of the Master
                    Servicer

                	
                  147

                
	
                  Section
                    9.15. Closing Certificate and Opinion

                	
                  149

                
	
                  Section
                    9.16. Standard Hazard and Flood Insurance Policies

                	
                  149

                
	
                  Section
                    9.17. Presentment of Claims and Collection of Proceeds

                	
                  150

                
	
                  Section
                    9.18. Maintenance of the Primary Mortgage Insurance
                    Policies

                	
                  150

                
	
                  Section
                    9.19. Trustee To Retain Possession of Certain Insurance Policies
                    and
                    Documents

                	
                  151

                
	
                  Section
                    9.20. Realization Upon Defaulted Mortgage Loans

                	
                  151

                
	
                  Section
                    9.21. Compensation to the Master Servicer

                	
                  152

                
	
                  Section
                    9.22. REO Property

                	
                  152

                
	
                  Section
                    9.23. Notices to the Depositor and the Securities
                    Administrator

                	
                  153

                
	
                  Section
                    9.24. Reports to the Securities Administrator

                	
                  153

                
	
                  Section
                    9.25. Assessment of Compliance and Attestation Reports

                	
                  154

                
	
                  Section
                    9.26. Annual Statement of Compliance with Applicable Servicing
                    Criteria

                	
                  156

                
	
                  Section
                    9.27. Merger or Consolidation

                	
                  157

                
	
                  Section
                    9.28. Resignation of Master Servicer

                	
                  157

                
	
                  Section
                    9.29. Assignment or Delegation of Duties by the Master
                    Servicer

                	
                  157

                
	
                  Section
                    9.30. Limitation on Liability of the Master Servicer and
                    Others

                	
                  158

                
	
                  Section
                    9.31. Indemnification; Third-Party Claims

                	
                  159

                
	
                  Section
                    9.32. Special Servicing of Delinquent Mortgage Loans

                	
                  159

                
	 	 
	
                  ARTICLE
                    X REMIC ADMINISTRATION

                	
                  160

                
	 	 
	
                  Section
                    10.01. REMIC Administration

                	
                  160

                
	
                  Section
                    10.02. Prohibited Transactions and Activities

                	
                  162

                
	
                  Section
                    10.03. Indemnification with Respect to Certain Taxes and Loss
                    of REMIC
                    Status

                	
                  163

                
	
                  Section
                    10.04. REO Property

                	
                  163

                
	 	 
	
                  ARTICLE
                    XI MISCELLANEOUS PROVISIONS

                	
                  164

                
	 	 
	
                  Section
                    11.01. Binding Nature of Agreement; Assignment

                	
                  164

                
	
                  Section
                    11.02. Entire Agreement

                	
                  164

                
	
                  Section
                    11.03. Amendment

                	
                  164

                

        

         

        
          
            
            

          

          
            iii

            
              

            

          

          
            
            

          

        

         

        
          	
                  Section
                    11.04. Voting Rights

                	
                  166

                
	
                  Section
                    11.05. Provision of Information

                	
                  167

                
	
                  Section
                    11.06. Governing Law

                	
                  167

                
	
                  Section
                    11.07. Notices

                	
                  167

                
	
                  Section
                    11.08. Severability of Provisions

                	
                  168

                
	
                  Section
                    11.09. Indulgences; No Waivers

                	
                  168

                
	
                  Section
                    11.10. Headings Not To Affect Interpretation

                	
                  168

                
	
                  Section
                    11.11. Benefits of Agreement

                	
                  168

                
	
                  Section
                    11.12. Special Notices to the Rating Agencies

                	
                  168

                
	
                  Section
                    11.13. Counterparts

                	
                  169

                
	
                  Section
                    11.14. Transfer of Servicing

                	
                  169

                
	
                  Section
                    11.15. Tax Treatment of the Class P Certificates

                	
                  171

                

        

         

      

    

    Exhibits

    

    
      	
              Exhibit
                A

            	
              Forms
                of Certificates

            
	
              Exhibit
                B-1

            	
              Form
                of Initial Certification

            
	
              Exhibit
                B-2

            	
              Form
                of Interim Certification

            
	
              Exhibit
                B-3

            	
              Form
                of Final Certification

            
	
              Exhibit
                B-4

            	
              Form
                of Endorsement

            
	
              Exhibit
                C

            	
              Request
                for Release of Documents and Receipt

            
	
              Exhibit
                D-l

            	
              Form
                of Residual Certificate Transfer Affidavit (Transferee)

            
	
              Exhibit
                D-2

            	
              Form
                of Residual Certificate Transfer Affidavit (Transferor)

            
	
              Exhibit
                E

            	
              List
                of Servicing Agreements

            
	
              Exhibit
                F

            	
              Form
                of Rule 144A Transfer Certificate

            
	
              Exhibit
                G

            	
              Form
                of Purchaser’s Letter for Institutional Accredited
                Investors

            
	
              Exhibit
                H

            	
              Form
                of ERISA Transfer Affidavit

            
	
              Exhibit
                I

            	
              Transaction
                Parties

            
	
              Exhibit
                J

            	
              [Reserved]

            
	
              Exhibit
                K

            	
              Custodial
                Agreements

            
	
              Exhibit
                L-1

            	
              Additional
                Form 10-D Disclosure

            
	
              Exhibit
                L-2

            	
              Additional
                Form 10-K Disclosure 

            
	
              Exhibit
                L-3

            	
              Additional
                Form 8-K Disclosure

            
	
              Exhibit
                L-4

            	
              Additional
                Disclosure Notification

            
	
              Exhibit
                M

            	
              Monthly
                Electronic Data Transmission

            
	
              Exhibit
                N-1

            	
              Form
                of Transfer Certificate for Transfer from Restricted Global Security
                to
                Regulation S Global Security pursuant to Section
                3.03(h)(B)

            
	
              Exhibit
                N-2

            	
              Form
                of Transfer Certificate for Transfer from Regulation S Global Security
                to
                Restricted Global Security pursuant to Section
                3.03(h)(C)

            
	
              Exhibit
                O

            	
              Senior
                Principal Priorities

            
	
              Exhibit
                P

            	
              Form
                Certification to be Provided to Depositor and/or Master Servicer
                by the
                Securities Administrator

            
	
              Exhibit
                Q

            	
              Relevant
                Servicing Criteria to be Addressed in Report on Assessment of
                Compliance

            
	
              Exhibit
                R

            	
              Form
                of Exchange Trust Agreement (including Available Combination
                Schedule)

            
	
              Exhibit
                S

            	
              Class
                Table

            

    

     

    
      
        
        

      

      
        iv

        
          

        

      

      
        
        

      

    

     

    
      	
              Exhibit
                T

            	
              Applicable
                Fractions Table

            
	
              Exhibit
                U

            	
              Modified
                Loan Report

            
	
              Exhibit
                V

            	
              Monthly
                Electronic Data Transmission

            
	 	 
	
              Mortgage
                Loan Schedules

            
	 	 
	
              Schedule
                A

            	
              All
                Mortgage Loans

            
	
              Schedule
                B

            	
              [Reserved]

            
	
              Schedule
                C

            	
              [Reserved]

            
	
              Schedule
                D

            	
              AX
                Mortgage Loans

            

    

     

     

     

     

    
      
        
        

      

      
        v

        
          

        

      

      
        
        

      

    

    This
      TRUST AGREEMENT dated as of November 1, 2007 (the “Agreement”), is by and among
      STRUCTURED ASSET SECURITIES CORPORATION, a Delaware corporation, as depositor
      (the “Depositor”), AURORA LOAN SERVICES LLC, as Master Servicer (the “Master
      Servicer”), WELLS FARGO BANK, N.A., as securities administrator (the “Securities
      Administrator”) and U.S.
      BANK
      NATIONAL ASSOCIATION,
      as
      trustee (the “Trustee”).

    

    PRELIMINARY
      STATEMENT

    

    The
      Depositor has acquired the Mortgage Loans from Lehman Brothers Holdings Inc.
      (the “Seller”) and at the Closing Date is the owner of the Mortgage Loans and
      the other property being conveyed by it to the Trustee for inclusion in the
      Trust Fund. On the Closing Date, the Depositor will acquire the Certificates
      from the Trust Fund, as consideration for its transfer to the Trust Fund of
      the
      Mortgage Loans and the other property constituting the Trust Fund. The Depositor
      has duly authorized the execution and delivery of this Agreement to provide
      for
      the conveyance to the Trustee of the Mortgage Loans and the other property
      constituting the Trust Fund. All covenants and agreements made by the Depositor,
      the Master Servicer, the Securities Administrator and the Trustee herein with
      respect to the Mortgage Loans and the other property constituting the Trust
      Fund
      are for the benefit of the Holders from time to time of the Certificates. The
      Depositor, the Securities Administrator, the Trustee and the Master Servicer
      are
      entering into this Agreement, and the Trustee is accepting the Trust Fund
      created hereby, for good and valuable consideration, the receipt and sufficiency
      of which are hereby acknowledged.

    

    As
      provided herein, the Securities Administrator shall elect that the Trust Fund
      (excluding the Prepayment Penalty Amounts) be treated for federal income tax
      purposes as comprising four real estate mortgage investment conduits (each
      a
“REMIC” or, in the alternative, REMIC I, REMIC II, REMIC III and REMIC IV (the
“Upper Tier REMIC”)). Each Underlying REMIC Certificate and each Certificate
      (other than the Exchange and Exchangeable Certificates, the Class P, Class
      LT-R
      and Class R Certificates), represents ownership of one or more regular interests
      in the Upper Tier REMIC for purposes of the REMIC Provisions. The Class LT-R
      Certificate represents ownership of the sole class of residual interest in
      REMIC
      I for purposes of the REMIC Provisions. The Class R Certificate represents
      ownership of the sole class of residual interest in each remaining REMIC for
      purposes of the REMIC Provisions. 

    

    The
      Upper
      Tier REMIC shall hold as its assets the several Classes of uncertificated Lower
      Tier Interests in REMIC III, other than the Class R-3 Interest, and each such
      Lower Tier Interest is hereby designated as a regular interest in REMIC III.
      REMIC III shall hold as its assets the several Classes of uncertificated Lower
      Tier Interests in REMIC II, other than the Class R-2 Interest, and each such
      Lower Tier Interest is hereby designated as a regular interest in REMIC II.
      REMIC II shall hold as its assets the several Classes of uncertificated Lower
      Tier Interests in REMIC I, and each such Lower Tier Interest is hereby
      designated as a regular interest in REMIC I. REMIC I shall hold as its assets
      the property of the Trust Fund other than the Lower Tier Interests in REMIC
      I,
      REMIC II and REMIC III.

    

    The
      startup day for each REMIC created hereby for purposes of the REMIC Provisions
      is the Closing Date. In addition, for purposes of the REMIC Provisions, the
      latest possible maturity date for each regular interest in each REMIC created
      hereby is the later (or latest) date provided in the definition of Latest
      Possible Maturity Date.

    

    
      
        
        

      

      
        1

        
          

        

      

      
        
        

      

    

    REMIC
      I:

    

    REMIC
      I
      shall issue one uncertificated interest in respect of each Mortgage Loan held
      by
      the Trust on the Closing Date, each of which is hereby designated as a regular
      interest in REMIC I (the “REMIC I Regular Interests”). Each REMIC I Regular
      Interest shall have an initial principal balance equal to the Scheduled
      Principal Balance of the Mortgage Loan to which it relates and shall bear
      interest at a per annum rate equal to the Net Mortgage Rate of such Mortgage
      Loan. In the event a Qualified Substitute Mortgage Loan is substituted for
      such
      Mortgage Loan (the “Original Mortgage Loan”), no amount of interest payable on
      such Qualified Substitute Mortgage Loan shall be distributed on such REMIC
      I
      Regular Interest at a rate in excess of the Net Mortgage Rate of the Original
      Mortgage Loan.

    

    On
      each
      Distribution Date the Securities Administrator shall distribute the interest
      portion of the Available Distribution Amount (net of expenses described in
      the
      preceding paragraph) with respect to each of the Lower Tier Interests in REMIC
      I
      based on the above-described interest rates.

    

    On
      each
      Distribution Date, the Securities Administrator shall distribute the principal
      portion of the Available Distribution Amount among the Lower Tier Interests
      in
      REMIC I in accordance with the amount of the principal attributable to the
      Mortgage Loan corresponding to each such Lower Tier Interests in REMIC I. All
      losses on the Mortgage Loans shall be allocated among the Lower Tier Interests
      in REMIC I in the same manner that principal distributions are
      allocated.

    

    On
      each
      Distribution Date, the Securities Administrator shall first pay or charge as
      an
      expense of REMIC I all expenses of the Trust Fund for such Distribution
      Date.

    

    REMIC
      II

    

    REMIC
      II
      shall hold as assets the REMIC I Regular Interests. REMIC II shall issue the
      several classes of uncertificated REMIC II Interests set out below. Each such
      REMIC II Interest, other than the Class R-2 Interest, is hereby designated
      as a
      regular interest in REMIC II. The following table specifies the Class
      designation, interest rate, and principal amount for each Class of REMIC II
      Interests:

    
      
        

          
            	
                    REMIC
                      II

                    Class

                    Designation

                  	 	
                    Interest

                    Rate

                  	 	
                    Initial
                      Class

                    Principal

                    Amount

                  	 	
                    Corresponding
                      

                    Class
                      of Certificates 

                    or
                      Collateral Group

                  
	
                    LTII-1-A1

                  	 	
                    6.00%

                  	 	
                    (9)

                  	 	
                    1-A1

                  
	
                    LTII-1-A2

                  	 	
                    6.00%

                  	 	
                    (9)

                  	 	
                    1-A2

                  
	
                    LTII-2-A2

                  	 	
                    6.50%

                  	 	
                    (9)

                  	 	
                    2-A2

                  
	
                    LTII-2-A3

                  	 	
                    6.50%

                  	 	
                    (9)

                  	 	
                    2-A3

                  
	
                    LTII-2-A4

                  	 	
                    6.50%

                  	 	
                    (9)

                  	 	
                    2-A4

                  
	
                    LTII-2-A9

                  	 	
                    6.50%

                  	 	
                    (9)

                  	 	
                    2-A9,
                      2-A12

                  

          

           

          
            
              
              

            

            
              2

              
                

              

            

            
              
              

            

          

           

          
            	
                    REMIC
                      II

                    Class

                    Designation

                  	 	
                    Interest

                    Rate

                  	 	
                    Initial
                      Class

                    Principal

                    Amount

                  	 	
                    Corresponding
                      

                    Class
                      of Certificates 

                    or
                      Collateral Group

                  
	
                    LTII-2-A11

                  	 	
                    6.50%

                  	 	
                    (9)

                  	 	
                    2-A11,
                      2-A12

                  
	
                    LTII-4-A2

                  	 	
                    5.50%

                  	 	
                    (9)

                  	 	
                    4-A2

                  
	
                    LTII-4-A3

                  	 	
                    6.50%

                  	 	
                    (9)

                  	 	
                    4-A3

                  
	
                    LTII-4-A4

                  	 	
                    6.00%

                  	 	
                    (9)

                  	 	
                    4-A4

                  
	
                    LTII-AP1

                  	 	
                    0.00%

                  	 	
                    (9)

                  	 	
                    AP1

                  
	
                    LTII-AP2

                  	 	
                    0.00%

                  	 	
                    (9)

                  	 	
                    AP2

                  
	
                    LTII-AP3

                  	 	
                    0.00%

                  	 	
                    (9)

                  	 	
                    AP3

                  
	
                    LTII-AX1

                  	 	
                    (1)

                  	 	
                    (1)

                  	 	
                    AX1

                  
	
                    LTII-AX3

                  	 	
                    (2)

                  	 	
                    (2)

                  	 	
                    AX3

                  
	
                    LTII-1-AR

                  	 	
                    6.00%

                  	 	
                    (9)

                  	 	
                    R

                  
	
                    LTII-1-GSA

                  	 	
                    (3)

                  	 	
                    (10)

                  	 	
                    Collateral
                      Group 1

                  
	
                    LTII-1-Pool

                  	 	
                    (3)

                  	 	
                    (11)

                  	 	
                    Collateral
                      Group 1

                  
	
                    LTII-2-GSA

                  	 	
                    (4)

                  	 	
                    (10)

                  	 	
                    Collateral
                      Group 2

                  
	
                    LTII-2-Pool

                  	 	
                    (4)

                  	 	
                    (11)

                  	 	
                    Collateral
                      Group 2

                  
	
                    LTII-3A-RSB

                  	 	
                    (5)

                  	 	
                    (10)

                  	 	
                    Collateral
                      Group 3A

                  
	
                    LTII-3A-Non-RSB

                  	 	
                    (5)

                  	 	
                    (11)

                  	 	
                    Collateral
                      Group 3A

                  
	
                    LTII-3B-RSB

                  	 	
                    (6)

                  	 	
                    (10)

                  	 	
                    Collateral
                      Group 3B

                  
	
                    LTII-3B-Non-RSB

                  	 	
                    (6)

                  	 	
                    (11)

                  	 	
                    Collateral
                      Group 3B

                  
	
                    LTII-4-GSA

                  	 	
                    (7)

                  	 	
                    (10)

                  	 	
                    Collateral
                      Group 4

                  
	
                    LTII-4-Pool

                  	 	
                    (7)

                  	 	
                    (11)

                  	 	
                    Collateral
                      Group 4

                  
	
                    R-2

                  	 	
                    (8)

                  	 	
                    (8)

                  	 	
                    N/A

                  

          

        

      

    

    __________________

    
      	 	
              (1)

            	
              The
                Class LTII-AX1 Interest does not have a principal balance and is
                entitled
                to receive on each Distribution Date a specified portion of the interest
                payable on the AX1 Mortgage Loans. Specifically, for each Accrual
                Period,
                the Class LTII-AX1 Interest is entitled to interest accruals on the
                AX1
                Mortgage Loans at a per annum rate equal to the excess of (i) the
                weighted
                average of the Net Mortgage Rates of the AX1 Mortgage Loans over
                (ii)
                6.50%.

            

    

     

    
      	 	
              (2)

            	
              The
                Class LTII-AX3 Interest does not have a principal balance and is
                entitled
                to receive on each Distribution Date a specified portion of the interest
                payable on the AX3 Mortgage Loans. Specifically, for each Accrual
                Period,
                the Class LTII-AX3 Interest is entitled to interest accruals on the
                AX3
                Mortgage Loans at a per annum rate equal to the excess of (i) the
                weighted
                average of the Net Mortgage Rates of the AX3 Mortgage Loans over
                (ii)
                6.00%.

            

    

     

    
      	 	
              (3)

            	
              The
                interest rate with respect to any Distribution Date (and the related
                Accrual Period) for the LTII-1-Pool Interest and the LTII-1-GSA Interest
                will be a per annum rate equal to the Designated Rate for Collateral
                Group
                1.

            

    

     

    
      	 	
              (4)

            	
              The
                interest rate with respect to any Distribution Date (and the related
                Accrual Period) for the LTII-2-Pool Interest and the LTII-2-GSA Interest
                will be a per annum rate equal to the Designated Rate for Collateral
                Group
                2.

            

    

     

    
      	 	
              (5)

            	
              The
                interest rate with respect to any Distribution Date (and the related
                Accrual Period) for the LTII-3A-RSB Interest and the LTII-3A-Non-RSB
                Interest will be a per annum rate equal to the Designated Rate for
                Collateral Group 3A.

            

    

     

    
      	 	
              (6)

            	
              The
                interest rate with respect to any Distribution Date (and the related
                Accrual Period) for the LTII-3B-RSB Interest and the LTII-3B- Non-RSB
                Interest will be a per annum rate equal to the Designated Rate for
                Collateral Group 3B.

            

    

     

    
      
        
        

      

      
        3

        
          

        

      

      
        
        

      

    

    
      	 	
              (7)

            	
              The
                interest rate with respect to any Distribution Date (and the related
                Accrual Period) for the LTII-4-Pool Interest and the LTII-4-GSA Interest
                will be a per annum rate equal to the Designated Rate for Collateral
                Group
                4.

            

    

     

    
      	 	
              (8)

            	
              The
                Class R-2 Interest does not have a principal balance and does not
                bear
                interest.

            

    

     

    
      	 	
              (9)

            	
              The
                initial principal amount for each of these REMIC II Lower Tier Interests
                shall be the Initial Class Principal Amount for its Corresponding
                Class of
                Certificates in the Upper Tier REMIC (excluding any Interest-Only
                Certificates).

            

    

     

    
      	 	
              (10)

            	
              Each
                of these interests shall have an initial principal amount equal to
                1% of
                the Group Subordinate Amount for the related Collateral Group as
                of the
                Cut-off Date.

            

    

     

    
      	 	
              (11)

            	
              Each
                of these interests shall have any initial principal amount equal
                to 99% of
                the Group Subordinate Amount for the related Collateral Group as
                of the
                Cut-off Date.

            

    

     

     

    On
      each
      Distribution Date, the portion of the Available Distribution Amount
      distributable as interest shall be distributed as interest with respect to
      the
      REMIC II Interests based on the interest rates described above. On each
      Distribution Date, Net Prepayment Shortfalls and Excess Losses sustained with
      respect to any Collateral Group are to be allocated among the Classes of REMIC
      II Interests related to such Collateral Group based on the relative amounts
      of
      interest otherwise accrued for the related Accrual Period on each such REMIC
      II
      Interest.

     

    On
      each
      Distribution Date, the portion of the Available Distribution Amount
      distributable as principal shall be distributed as principal on REMIC II
      Interests as follows: 

     

    
      	 	
              (1)

            	
              First,
                to each of the Class LTII-AP1, Class LTII-AP2 and Class LTII-AP3
                Interests
                until the balance of each such Interest equals that of the Class
                AP1,
                Class AP2 and Class AP3 Certificates, respectively, immediately after
                the
                Distribution Date;

            

    

     

    
      	 	
              (2)

            	
              Second,
                from the remaining Available Distribution Amount for Collateral Group
                1,
                to
                the Class LTII-1-GSA Interest until its principal balance equals
                one
                percent of the Group Subordinate Amount for Collateral Group 1 after
                such
                Distribution Date;

            

    

     

    
      	 	
              (3)

            	
              Third,
                from the remaining Available Distribution Amount for Collateral Group
                2,
                to
                the Class LTII-2-GSA Interest until its principal balance equals
                one
                percent of the Group Subordinate Amount for Collateral Group 2 after
                such
                Distribution Date;

            

    

     

    
      	 	
              (4)

            	
              Fourth,
                from the remaining Available Distribution Amount for Collateral Group
                3A,
                to
                the Class LTII-3A-RSB Interest until its principal balance equals
                the
                Related Senior Balance for Collateral Group 3A after such Distribution
                Date;

            

    

     

    
      	 	
              (5)

            	
              Fifth,
                from the remaining Available Distribution Amount for Collateral Group
                3B,
                to
                the Class LTII-3B-RSB Interest until its principal balance equals
                the
                Related Senior Balance for Collateral Group 3B after such Distribution
                Date;

            

    

     

    
      	 	
              (6)

            	
              Sixth,
                from the remaining Available Distribution Amount for Collateral Group
                4,
                to
                the Class LTII-4-GSA Interest until its principal balance equals
                one
                percent of the Group Subordinate Amount for Collateral Group 4 after
                such
                Distribution Date;

            

    

     

    
      
        
        

      

      
        4

        
          

        

      

      
        
        

      

    

    
      	 	
              (7)

            	
              Seventh,
                from the remaining Available Distribution Amount from each of the
                Collateral Groups, concurrently, as follows -

            

    

     

    
      	 	
              (a)

            	
              To
                the Class LTII-1-Pool until the sum of (a) its principal balance
                and (b)
                the principal balance of the LTII-1-GSA, after taking into account
                distributions made pursuant to priority (2) above, equals the Group
                Subordinate Amount for Collateral Group 1 immediately after such
                Distribution Date;

            

    

     

    
      	 	
              (b)

            	
              To
                the Class LTII-2-Pool until the sum of (a) its principal balance
                and (b)
                the principal balance of the LTII-2-GSA, after taking into account
                distributions made pursuant to priority (3) above, equals the Group
                Subordinate Amount for Collateral Group 2 immediately after such
                Distribution Date;

            

    

     

    
      	 	
              (c)

            	
              To
                the Class LTII-3A-Non-RSB until the sum of (a) its principal balance
                and
                (b) the principal balance of the LTII-3A-RSB, after taking into account
                distributions made pursuant to priority (4) above, equals the Non-AP
                Pool
                Balance for Collateral Group 3A immediately after such Distribution
                Date;

            

    

     

    
      	 	
              (d)

            	
              To
                the Class LTII-3B-Non-RSB until the sum of (a) its principal balance
                and
                (b) the principal balance of the LTII-3B-RSB, after taking into account
                distributions made pursuant to priority (5) above, equals the Non-AP
                Pool
                Balance for Collateral Group 3B immediately after such Distribution
                Date;

            

    

     

    
      	 	
              (e)

            	
              To
                the Class LTII-4-Pool until the sum of (a) its principal balance
                and (b)
                the principal balance of the LTII-4-GSA, after taking into account
                distributions made pursuant to priority (6) above, equals the Group
                Subordinate Amount for Collateral Group 4 immediately after such
                Distribution Date;

            

    

     

    
      	 	
              (8)

            	
              Finally,
                from the remaining Available Distribution Amount from each of the
                Collateral Groups to each REMIC II Interest for which there is a
                Corresponding Class of Certificates (other than the Class LTII-AP1,
                Class
                LTII-AP2 and Class LTII-AP3 Interests) until the principal balance
                of such
                REMIC II Interest equals the Class Principal Amount of the Corresponding
                Class of Certificates immediately after such Distribution
                Date.

            

    

     

    For
      each
      Distribution Date, Realized Losses, other than Excess Losses, shall be allocated
      among the REMIC II Interests in the same manner that principal is allocated
      among the REMIC II Interests.

     

    REMIC
      III

     

    REMIC
      III
      shall hold as assets the REMIC II Regular Interests. REMIC III shall issue
      the
      several classes of uncertificated REMIC III Interests set out below. Each such
      REMIC III Interest, other than the Class R-3 Interest, is hereby designated
      as a
      regular interest in REMIC III. The following table specifies the Class
      designation, interest rate, and principal amount for each Class of REMIC III
      Interests:

     

    
      
        
        

      

      
        5

        
          

        

      

      
        
        

      

    

    

      
        	
                REMIC
                  III

                Class

                Designation

              	 	
                Interest

                Rate

              	 	
                Initial
                  Class

                Principal

                Amount

              	 	
                Corresponding
                  Class of 

                Certificates
                  or 

                Collateral
                  Group

              
	
                LTIII-1-A1

              	 	
                6.00%

              	 	
                (9)

              	 	
                1-A1

              
	
                LTIII-1-A2

              	 	
                6.00%

              	 	
                (9)

              	 	
                1-A2

              
	
                LTIII-2-A2

              	 	
                6.50%

              	 	
                (9)

              	 	
                2-A2

              
	
                LTIII-2-A3

              	 	
                6.50%

              	 	
                (9)

              	 	
                2-A3

              
	
                LTIII-2-A4

              	 	
                6.50%

              	 	
                (9)

              	 	
                2-A4

              
	
                LTIII-2-A9

              	 	
                6.50%

              	 	
                (9)

              	 	
                2-A9,
                  2-A12

              
	
                LTIII-2-A11

              	 	
                6.50%

              	 	
                (9)

              	 	
                2-A11,
                  2-A12

              
	
                LTIII-3-A3

              	 	
                6.00%

              	 	
                (9)

              	 	
                3-A3

              
	
                LTIII-3-A4

              	 	
                6.00%

              	 	
                (9)

              	 	
                3-A4

              
	
                LTIII-3-A5

              	 	
                6.00%

              	 	
                (9)

              	 	
                3-A5

              
	
                LTIII-3-A6

              	 	
                6.00%

              	 	
                (9)

              	 	
                3-A6

              
	
                LTIII-3-A8

              	 	
                (10)

              	 	
                (10)

              	 	
                3-A8

              
	
                LTIII-3-A10

              	 	
                6.00%

              	 	
                (9)

              	 	
                3-A10,
                  3-A13

              
	
                LTIII-3-A12

              	 	
                6.00%

              	 	
                (9)

              	 	
                3-A12,
                  3-A13

              
	
                LTIII-4-A2

              	 	
                5.50%

              	 	
                (9)

              	 	
                4-A2

              
	
                LTIII-4-A3

              	 	
                6.50%

              	 	
                (9)

              	 	
                4-A3

              
	
                LTIII-4-A4

              	 	
                6.00%

              	 	
                (9)

              	 	
                4-A4

              
	
                LTIII-AP1

              	 	
                0.00%

              	 	
                (9)

              	 	
                AP1

              
	
                LTIII-AP2

              	 	
                0.00%

              	 	
                (9)

              	 	
                AP2

              
	
                LTIII-AP3

              	 	
                0.00%

              	 	
                (9)

              	 	
                AP3

              
	
                LTIII-AX1

              	 	
                (1)

              	 	
                (1)

              	 	
                AX1

              
	
                LTIII-AX3

              	 	
                (2)

              	 	
                (2)

              	 	
                AX3

              
	
                LTIII-1-AR

              	 	
                6.00%

              	 	
                (9)

              	 	
                R

              
	
                LTIII-1-GSA

              	 	
                (3)

              	 	
                (11)

              	 	
                Collateral
                  Group 1

              
	
                LTIII-1-Pool

              	 	
                (3)

              	 	
                (12)

              	 	
                Collateral
                  Group 1

              
	
                LTIII-2-GSA

              	 	
                (4)

              	 	
                (11)

              	 	
                Collateral
                  Group 2

              
	
                LTIII-2-Pool

              	 	
                (4)

              	 	
                (12)

              	 	
                Collateral
                  Group 2

              
	
                LTIII-3A-GSA

              	 	
                (5)

              	 	
                (11)

              	 	
                Collateral
                  Group 3A

              
	
                LTIII-3A-Pool

              	 	
                (5)

              	 	
                (12)

              	 	
                Collateral
                  Group 3A

              
	
                LTIII-3B-GSA

              	 	
                (6)

              	 	
                (11)

              	 	
                Collateral
                  Group 3B

              
	
                LTIII-3B-Pool

              	 	
                (6)

              	 	
                (12)

              	 	
                Collateral
                  Group 3B

              
	
                LTIII-4-GSA

              	 	
                (7)

              	 	
                (11)

              	 	
                Collateral
                  Group 4

              
	
                LTIII-4-Pool

              	 	
                (7)

              	 	
                (12)

              	 	
                Collateral
                  Group 4

              
	
                R-3

              	 	
                (8)

              	 	
                (8)

              	 	
                N/A

              

      

    

    ____________________

    
      	 	
              (1)

            	
              The
                Class LTIII-AX1 Interest does not have a principal balance and is
                entitled
                to receive on each Distribution Date a specified portion of the interest
                payable on the AX1 Mortgage Loans. Specifically, for each Accrual
                Period,
                the Class LTIII-AX1 Interest is entitled to interest accruals on
                the AX1
                Mortgage Loans at a per annum rate equal to the excess of (i) the
                weighted
                average of the Net Mortgage Rates of the AX1 Mortgage Loans over
                (ii)
                6.50%.

            

    

     

    
      
        
        

      

      
        6

        
          

        

      

      
        
        

      

    

    
      	 	
              (2)

            	
              The
                Class LTIII-AX3 Interest does not have a principal balance and is
                entitled
                to receive on each Distribution Date a specified portion of the interest
                payable on the AX3 Mortgage Loans. Specifically, for each Accrual
                Period,
                the Class LTIII-AX3 Interest is entitled to interest accruals on
                the AX3
                Mortgage Loans at a per annum rate equal to the excess of (i) the
                weighted
                average of the Net Mortgage Rates of the AX3 Mortgage Loans over
                (ii)
                6.00%.

            

    

     

    
      	 	
              (3)

            	
              The
                interest rate with respect to any Distribution Date (and the related
                Accrual Period) for the LTIII-1-Pool Interest and the LTIII-1-GSA
                Interest
                will be a per annum rate equal to the Designated Rate for Collateral
                Group
                1.

            

    

     

    
      	 	
              (4)

            	
              The
                interest rate with respect to any Distribution Date (and the related
                Accrual Period) for the LTIII-2-Pool Interest and the LTIII-2-GSA
                Interest
                will be a per annum rate equal to the Designated Rate for Collateral
                Group
                2.

            

    

     

    
      	 	
              (5)

            	
              The
                interest rate with respect to any Distribution Date (and the related
                Accrual Period) for the LTIII-3A-Pool Interest and the LTIII-3A-GSA
                Interest will be a per annum rate equal to the Designated Rate for
                Collateral Group 3A.

            

    

     

    
      	 	
              (6)

            	
              The
                interest rate with respect to any Distribution Date (and the related
                Accrual Period) for the LTIII-3B-Pool Interest and the LTIII-3B-GSA
                Interest will be a per annum rate equal to the Designated Rate for
                Collateral Group 3B.

            

    

     

    
      	 	
              (7)

            	
              The
                interest rate with respect to any Distribution Date (and the related
                Accrual Period) for the LTIII-4-Pool Interest and the LTIII-4-GSA
                Interest
                will be a per annum rate equal to the Designated Rate for Collateral
                Group
                4.

            

    

     

    
      	 	
              (8)

            	
              The
                Class R-3 Interest does not have a principal balance and does not
                bear
                interest.

            

    

     

    
      	 	
              (9)

            	
              The
                initial principal amount for each of these REMIC III Lower Tier Interests
                shall be the Initial Class Principal Amount for its Corresponding
                Class of
                Certificates in the Upper Tier REMIC (excluding any Interest-Only
                Certificates).

            

    

     

    
      	 	
              (10)

            	
              The
                Class LTIII-3-A8 Interest does not have a principal balance and is
                entitled to receive on each Distribution Date the interest payable
                on the
                Class LTII-3B-RSB Interest at an interest rate equal to the rate
                thereof
                over 6.00%.

            

    

     

    
      	 	
              (11)

            	
              Each
                of these interests shall have an initial principal amount equal to
                1% of
                the Group Subordinate Amount for the related Collateral Group as
                of the
                Cut-off Date.

            

    

     

    
      	 	
              (12)

            	
              Each
                of these interests shall have any initial principal amount equal
                to 99% of
                the Group Subordinate Amount for the related Collateral Group as
                of the
                Cut-off Date.

            

    

     

     

    On
      each
      Distribution Date, the portion of the Available Distribution Amount
      distributable as interest shall be distributed as interest with respect to
      the
      REMIC III Interests based on the interest rates described above. On each
      Distribution Date, Net Prepayment Shortfalls and Excess Losses sustained with
      respect to any Collateral Group are to be allocated among the Classes of REMIC
      III Interests related to such Collateral Group based on the relative amounts
      of
      interest otherwise accrued for the related Accrual Period on each such REMIC
      III
      Interest.

     

    On
      each
      Distribution Date, the portion of the Available Distribution Amount
      distributable as principal shall be distributed as principal on REMIC III
      Interests as follows: 

     

    
      	 	
              (1)

            	
              First,
                to each of the Class LTIII-AP1, Class LTIII-AP2 and Class LTIII-AP3
                Interests until the balance of each such Interest equals that of
                the Class
                AP1, Class AP2 and Class AP3 Certificates, respectively, immediately
                after
                the Distribution Date;

            

    

     

    
      
        
        

      

      
        7

        
          

        

      

      
        
        

      

    

    
      	 	
              (2)

            	
              Second,
                from the remaining Available Distribution Amount for Collateral Group
                1,
                to the Class LTIII-1-GSA Interest until its principal balance equals
                one
                percent of the Group Subordinate Amount for Collateral Group 1 after
                such
                Distribution Date;

            

    

     

    
      	 	
              (3)

            	
              Third,
                from the remaining Available Distribution Amount for Collateral Group
                2,
                to the Class LTIII-2-GSA Interest until its principal balance equals
                one
                percent of the Group Subordinate Amount for Collateral Group 2 after
                such
                Distribution Date;

            

    

     

    
      	 	
              (4)

            	
              Fourth,
                from the remaining Available Distribution Amount for Collateral Group
                3A,
                to the Class LTIII-3A-GSA Interest until its principal balance equals
                one
                percent of the Group Subordinate Amount for Collateral Group 3A after
                such
                Distribution Date;

            

    

     

    
      	 	
              (5)

            	
              Fifth,
                from the remaining Available Distribution Amount for Collateral Group
                3B,
                to the Class LTIII-3B-GSA Interest until its principal balance equals
                one
                percent of the Group Subordinate Amount for Collateral Group 3B after
                such
                Distribution Date;

            

    

     

    
      	 	
              (6)

            	
              Sixth,
                from the remaining Available Distribution Amount for Collateral Group
                4,
                to the Class LTIII-4-GSA Interest until its principal balance equals
                one
                percent of the Group Subordinate Amount for Collateral Group 4 after
                such
                Distribution Date;

            

    

     

    
      	 	
              (7)

            	
              Seventh,
                from the remaining Available Distribution Amount from each of the
                Collateral Groups,
                concurrently, as follows -

            

    

     

    (a) to
      the
      Class LTIII-1-GSA and Class LTIII-2-GSA Interests, from the remaining Available
      Distribution Amount for Collateral Group 1 and Collateral Group 2, the minimum
      amount necessary to cause the ratio of the principal balance of each such REMIC
      III Interest to the principal balance of the other REMIC III Interest specified
      in this clause (a) to equal the ratio of the Group Subordinate Amount related
      to
      such REMIC III Interest to the Group Subordinate Amount related to the other
      REMIC III Interest immediately after such Distribution Date;

     

    (b) to
      the
      Class LTIII-3A-GSA, Class LTIII-3B-GSA and Class LTIII-4-GSA Interests, from
      the
      remaining Available Distribution Amount for Collateral Group 3A, Collateral
      Group 3B and Collateral Group 4, the minimum amount necessary to cause the
      ratio
      of the principal balance of each such REMIC III Interest to the principal
      balances of the other REMIC III Interests specified in this clause (b) to equal
      the ratio of the Group Subordinate Amount related to such REMIC III Interest
      to
      the Group Subordinate Amounts related to the other REMIC III Interests
      immediately after such Distribution Date;

     

    
      
        
        

      

      
        8

        
          

        

      

      
        
        

      

    

    
      	 	
              (8)

            	
              Eighth,
                from the remaining Available Distribution Amount from each of the
                Collateral Groups, concurrently, as follows -

            

    

     

    
      	 	
              (a)

            	
              To
                the Class LTIII-1-Pool until the sum of (a) its principal balance
                and (b)
                the principal balance of the LTIII-1-GSA, after taking into account
                distributions made pursuant to priorities (2) and (7) above, equals
                the
                Group Subordinate Amount for Collateral Group 1 immediately after
                such
                Distribution Date;

            

    

     

    
      	 	
              (b)

            	
              To
                the Class LTIII-2-Pool until the sum of (a) its principal balance
                and (b)
                the principal balance of the LTIII-2-GSA, after taking into account
                distributions made pursuant to priorities (3) and (7) above, equals
                the
                Group Subordinate Amount for Collateral Group 2 immediately after
                such
                Distribution Date;

            

    

     

    
      	 	
              (c)

            	
              To
                the Class LTIII-3A-Pool until the sum of (a) its principal balance
                and (b)
                the principal balance of the LTIII-3A-GSA, after taking into account
                distributions made pursuant to priorities (4) and (7) above, equals
                the
                Group Subordinate Amount for Collateral Group 3A immediately after
                such
                Distribution Date;

            

    

     

    
      	 	
              (d)

            	
              To
                the Class LTIII-3B-Pool until the sum of (a) its principal balance
                and (b)
                the principal balance of the LTIII-3B-GSA, after taking into account
                distributions made pursuant to priorities (5) and (7) above, equals
                the
                Group Subordinate Amount for Collateral Group 3B immediately after
                such
                Distribution Date;

            

    

     

    
      	 	
              (e)

            	
              To
                the Class LTIII-4-Pool until the sum of (a) its principal balance
                and (b)
                the principal balance of the LTIII-4-GSA, after taking into account
                distributions made pursuant to priorities (6) and (7) above, equals
                the
                Group Subordinate Amount for Collateral Group 4 immediately after
                such
                Distribution Date;

            

    

     

    
      	 	
              (9)

            	
              Finally,
                from the remaining Available Distribution Amount from each of the
                Collateral Groups to each REMIC III Interest for which there is a
                Corresponding Class of Certificates (other than the Class LTIII-AP1,
                Class
                LTIII-AP2 and Class LTIII-AP3 Interests) until the principal balance
                of
                such REMIC III Interest equals the Class Principal Amount of the
                Corresponding Class of Certificates immediately after such Distribution
                Date.

            

    

     

    For
      each
      Distribution Date, Realized Losses, other than Excess Losses, shall be allocated
      among the REMIC III Interests in the same manner that principal is allocated
      among the REMIC III Interests.

     

    REMIC
      IV

     

    Each
      Class of Certificates constituting an interest in the Trust Fund created
      hereunder (other than the Class P, Class LT-R and Class R Certificates) is
      hereby designated (along with each Underlying REMIC Certificate) as one or
      more
      regular interests in REMIC IV. The Class Table specifies the Class designation,
      Certificate Interest Rate, initial Class Principal (or Notional) Amount and
      minimum denomination for (1) each class of Certificates and (2) for convenience,
      each Class of Exchange and Exchangeable Certificates issued under the Exchange
      Trust Agreement.

     

    
      
        
        

      

      
        9

        
          

        

      

      
        
        

      

    

    Each
      Class of Underlying REMIC Certificates shall be issued hereunder in
      uncertificated form to the Securities Administrator (as custodian for the
      Exchange Trustee), and held in trust pursuant to the terms of the Exchange
      Trust
      Agreement. Classes of Certificates having identical characteristics and sharing
      the same Class designation shall also be issued under the Exchange Trust
      Agreement.

    

    The
      Class
      R Certificate represents ownership of the residual interest in each of REMIC
      II,
      REMIC III and REMIC IV and will be issued in a single Certificate representing
      a
      100% Percentage Interest in such Class.

    

    The
      Class
      LT-R Certificate will be issued without a Class Principal Amount and will not
      bear interest at a stated rate. The Class LT-R Certificate represents ownership
      of the residual interest in REMIC I and shall be issued as a single Certificate
      evidencing the entire Percentage Interest in such Class.

    

    As
      of the
      Cut-off Date, the Mortgage Loans plus the Initial Deposit had an aggregate
      Scheduled Principal Balance of $642,924,535.18.

    

    In
      consideration of the mutual agreements herein contained, the Depositor, the
      Master Servicer, Securities Administrator and the Trustee hereby agree as
      follows:

    

    ARTICLE
      I

    

    DEFINITIONS

    

    Section
      1.01. Definitions.

    

    The
      following words and phrases, unless the context otherwise requires, shall have
      the following meanings:

    

    10-K
      Filing Deadline:
      As
      defined in Section 6.20(e)(i).

    

    Accepted
      Servicing Practices:
      With
      respect to any Mortgage Loan, as applicable, either (x) those customary
      mortgage servicing practices of prudent mortgage servicing institutions that
      service or master service mortgage loans of the same type and quality as such
      Mortgage Loan in the jurisdiction where the related Mortgaged Property is
      located, to the extent applicable to the Securities Administrator (as successor
      Master Servicer) or the Master Servicer or (y) as provided in the applicable
      Servicing Agreement, to the extent applicable to the related
      Servicer.

    

    Accountant:
      A
      person engaged in the practice of accounting who (except when this Agreement
      provides that an Accountant must be Independent) may be employed by or
      affiliated with the Depositor or an Affiliate of the Depositor.

    

    
      
        
        

      

      
        10

        
          

        

      

      
        
        

      

    

    Accretion
      Termination Date:
      None.

    

    Accrual
      Amount:
      None.

    

    Accrual
      Certificate:
      None.

    

    Accrual
      Component:
      None.

    

    Accrual
      Period:
      With
      respect to any Distribution Date and any Class of Certificates or Components
      (other than any LIBOR Certificates) or Class of Lower Tier Interests, the
      calendar month immediately preceding the month in which such Distribution Date
      occurs. With respect to any Distribution Date and a Class of LIBOR Certificates,
      the period beginning on and including the 25th day of the month immediately
      preceding the month in which such Distribution Date occurs and ending on and
      including the 24th day of the month in which such Distribution Date occurs,
      assuming a 30-day month. 

    

    Accrued
      Certificate Interest:
      As to
      any interest-bearing Class of Certificates or Components and any
      interest-bearing component and any Distribution Date, the product of (i) the
      Certificate Interest Rate for such Class of Certificates divided by 12 and
      (ii)
      the Class Principal Amount (or Class Notional Amount or Component Notional
      Amount) of such Class of Certificates or Components as of the last day of the
      related Accrual Period, as reduced by such Class’s or Component’s share of (a)
      the interest portion of any Excess Losses for the related Collateral Group
      for
      such Distribution Date and (b) the interest portion of any Relief Act Reduction
      for the related Collateral Group for such Distribution Date, in each case,
      allocable among the interest-bearing Senior Certificates (and any Class I
      Components) and the related Subordinate Certificates pro
      rata
      based
      (x) in the case of such Senior Certificates and any such Components, on the
      Accrued Certificate Interest otherwise distributable thereto and (y) in the
      case
      of the Subordinate Certificates, on their respective Apportioned Principal
      Balances. 

    

    Interest
      shall accrue on the basis of a 360-day year comprising twelve 30-day
      months.

    

    Act:
      As
      defined in Section 8.03(a).

    

    Additional
      Collateral:
      None.

    

    Additional
      Form 10-D Disclosure:
      As
      defined in Section 6.20(d)(i).

    

    Additional
      Form 10-K Disclosure:
      As
      defined in Section 6.20(e)(i).

    

    Additional
      Interest Amount:
      None.

    

    Additional
      Servicer:
      Each
      affiliate of the related Servicer that Services any of the Mortgage Loans and
      each Person who is not an affiliate of the related Servicer, who Services 10%
      or
      more of the Mortgage Loans.

    

    Advance:
      With
      respect to a Mortgage Loan other than a Simple Interest Mortgage Loan, an
      advance of the aggregate of payments of principal and interest (net of the
      applicable Servicing Fee) on one or more Mortgage Loans (other than Charged-off
      Loans or Released Mortgage Loans) that were due on the Due Date in the related
      Due Period and not received as of the close of business on the related
      Determination Date, required to be made by or on behalf of the Master Servicer
      and the related Servicer (or by the Securities Administrator solely in its
      capacity as successor to the Master Servicer) pursuant to Section 5.04, but
      only
      to the extent that such amount is expected, in the reasonable judgment of the
      Master Servicer or the related Servicer (or by the Securities Administrator
      solely in its capacity as successor to the Master Servicer), to be recoverable
      from collections or recoveries in respect of such Mortgage Loans. With respect
      to a Simple Interest Mortgage Loan, an advance of an amount equal to the
      interest accrual on such Simple Interest Mortgage Loan through the related
      Due
      Date but not received as of the close of business on the related Determination
      Date (net of the applicable Servicing Fee) required to be made by or on behalf
      of the Master Servicer or any Servicer (or by the Securities Administrator
      solely in its capacity as successor to the Master Servicer) pursuant to Section
      5.04, but only to the extent that such amount is expected, in the reasonable
      judgment of the Master Servicer or Servicer (or by the Securities Administrator
      solely in its capacity as successor to the Master Servicer), to be recoverable
      from collections or recoveries in respect of such Simple Interest Mortgage
      Loans. 

    

    
      
        
        

      

      
        11

        
          

        

      

      
        
        

      

    

    Adverse
      REMIC Event:
      As
      defined in Section 10.01(f). 

    

    Affiliate:
      With
      respect to any specified Person, any other Person controlling or controlled
      by
      or under common control with such specified Person. For the purposes of this
      definition, “control” when used with respect to any specified Person means the
      power to direct the management and policies of such Person, directly or
      indirectly, whether through the ownership of voting securities, by contract
      or
      otherwise; and the terms “controlling” and “controlled” have meanings
      correlative to the foregoing.

    

    Aggregate
      Certificate Insurance Premium:
      None.

    

    Aggregate
      Principal Balance:
      The
      aggregate of the Scheduled Principal Balances for all Mortgage Loans at any
      date
      of determination.

    

    Aggregate
      Subordinate Percentage:
      With
      respect to any Distribution Date and Collateral Groups 1 and 2, the sum of
      the
      Class Principal Amounts of the Group 1 Subordinate Certificates immediately
      prior to such date divided by the Aggregate Principal Balances of the related
      Mortgage Loans for the immediately preceding Distribution Date. With respect
      to
      any Distribution Date and Collateral Groups 3A, 3B and 4, the sum of the Class
      Principal Amounts of the Group 2 Subordinate Certificates immediately prior
      to
      such date divided by the Aggregate Principal Balances of the related Mortgage
      Loans for the immediately preceding Distribution Date.

    

    Aggregate
      Voting Interests:
      The
      aggregate of the Voting Interests of all the Certificates under this
      Agreement.

    

    Agreement:
      This
      Trust Agreement and all amendments and supplements hereto.

    

    AP
      Deferred Amount:
      With
      respect to any Distribution Date through the related Credit Support Depletion
      Date, the total of all amounts allocable to the Class AP1, Class AP2 or Class
      AP3 Certificates on such Distribution Date in respect of Realized Losses (other
      than Excess Losses) on the related Mortgage Loans and all amounts previously
      allocated in respect of Realized Losses to such Classes of Certificates and
      not
      distributed on prior Distribution Dates.

    

    
      
        
        

      

      
        12

        
          

        

      

      
        
        

      

    

    AP
      Principal Distribution Amount:
      For any
      Distribution Date and each of Collateral Groups PO1, PO2 and PO3, the sum of
      the
      following amounts:

    

    (i) the
      related Applicable Fraction of the principal portion of each Scheduled Payment
      (without giving effect to any Debt Service Reduction occurring prior to the
      Bankruptcy Coverage Termination Date) on each Mortgage Loan in the such
      Collateral Group due during the related Due Period;

    

    (ii) the
      related Applicable Fraction of each of the following amounts: (1) each Principal
      Prepayment collected on a Mortgage Loan in such Collateral Group during the
      applicable Prepayment Period, (2) each other unscheduled collection, including
      any Subsequent Recovery, Insurance Proceeds and Net Liquidation Proceeds (other
      than with respect to any Mortgage Loan in such Collateral Group that was finally
      liquidated during the applicable Prepayment Period), representing or allocable
      to recoveries of principal of such Mortgage Loan in such Collateral Group
      received during the applicable Prepayment Period and (3) the principal portion
      of all proceeds of the purchase of any Mortgage Loan in the such Collateral
      Group (or, in the case of a permitted substitution, amounts representing a
      principal adjustment) actually received by the Securities Administrator with
      respect to the applicable Prepayment Period;

    

    (iii) with
      respect to unscheduled recoveries allocable to principal of any Mortgage Loan
      in
      such Collateral Group that was finally liquidated during the related Prepayment
      Period, the related Applicable Fraction of the related net Liquidation Proceeds
      allocable to principal; and

    

    (iv) any
      amounts described in clauses (i) through (iii) for any previous Distribution
      Date that remain unpaid.

    

    Applicable
      Fractions:
      For
      each Mortgage Loan and the related Collateral Group, such fractions as are
      set
      forth in the Applicable Fraction table attached hereto as Exhibit T;
provided,
      however, notwithstanding any provision herein to the contrary, each Mortgage
      Loan that is modified to reduce its Interest Rate shall be deemed to have the
      same Applicable Fraction as was based on the original interest rate of such
      Mortgage Loan.

    

    Apportioned
      Principal Balance:
      As to
      any Class of Subordinate Certificates and any Distribution Date, the Class
      Principal Amount of such Class immediately prior to such Distribution Date
      multiplied by a fraction, the numerator of which is the applicable Group
      Subordinate Amount for such date and the denominator of which is the sum of
      the
      Group Subordinate Amounts for Collateral Groups 1 and 2 for such date (in the
      case of each Class of Group 1 Subordinate Certificates) and Collateral Groups
      3A, 3B and 4 for such date (in the case of each Class of Group 2 Subordinate
      Certificates.

    

    Appraised
      Value:
      With
      respect to any Mortgage Loan, the amount set forth in an appraisal made in
      connection with the origination of such Mortgage Loan as the value of the
      related Mortgaged Property.

    

    
      
        
        

      

      
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    Assignment
      Agreement:
      Any of
      (i) the agreement between LBB and the Seller dated as of November 1, 2007,
      or
      (ii) certain bills of sale between LBB and the Seller dated as of various dates
      and effective as of November 1, 2007, pursuant to which LBB conveyed the
      Mortgage Loans to the Seller.

    

    Assignment
      of Mortgage:
      An
      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 reflect the sale of the Mortgage to
      the
      Trustee, which assignment, notice of transfer or equivalent instrument may
      be in
      the form of one or more blanket assignments covering the Mortgage Loans secured
      by Mortgaged Properties located in the same jurisdiction, if permitted by law;
      provided,
      however,
      that
      neither the Trustee nor a Custodian shall be responsible for determining whether
      any such assignment is in recordable form.

    

    Authenticating
      Agent:
      Any
      authenticating agent appointed by the Securities Administrator pursuant to
      Section 6.10.

    

    Authorized
      Officer:
      Any
      Person who may execute an Officer’s Certificate, as specified in the definition
      thereof, on behalf of the Depositor.

    

    Available
      Distribution Amount:
      As to
      each Collateral Group on any Distribution Date, the sum of the Applicable
      Fractions for each Mortgage Loan contributing to such Collateral Group of the
      principal portion of the following amounts with the interest portion thereof
      adjusted to the related Designated Rate, as applicable:

    

    (i) the
      total
      amount of all cash received by the Master Servicer through the Servicer
      Remittance Date applicable to each Servicer and deposited with the Securities
      Administrator by the Master Servicer by the Master Servicer Remittance Date
      for
      such Distribution Date on the Mortgage Loans of such Collateral Group (including
      proceeds of any Insurance Policy and any other credit support relating to such
      Mortgage Loans and including any Subsequent Recovery or recoveries through
      liquidation of any REO Property), plus all Advances made by the Master Servicer
      or any Servicer (or the Securities Administrator in its capacity as successor
      master servicer) for such Distribution Date, any Compensating Interest Payment
      for such date and Collateral Group and any amounts paid by any Servicer in
      respect of Prepayment Interest Shortfalls in respect of the related Mortgage
      Loans for such date and any proceeds of any purchase of a related Mortgage
      Loan,
      but not including:

    

    (A) all
      amounts distributed pursuant to Section 5.02 on prior Distribution
      Dates;

    

    (B) all
      Scheduled Payments of principal and interest collected but due on a date
      subsequent to the Due Period;

    

    (C) all
      Principal Prepayments received or identified by the applicable Servicer after
      the applicable Prepayment Period (together with any interest payments received
      with such prepayments to the extent that they represent the payment of interest
      accrued on the related Mortgage Loans for the period subsequent to the
      applicable Prepayment Period);

    

    
      
        
        

      

      
        14

        
          

        

      

      
        
        

      

    

    (D) any
      other
      unscheduled collection, including Net Liquidation Proceeds and Insurance
      Proceeds, received by the Master Servicer after the applicable Prepayment
      Period;

    

    (E) all
      fees
      and amounts due, other than any Prepayment Penalty Amounts (as applicable),
      and
      reimbursable (including any Capitalization Reimbursement Amounts) from funds
      of
      the Trust Fund to the Master Servicer, the Trustee, the Securities
      Administrator, a Custodian or any Servicer pursuant to the terms of this
      Agreement, a Custodial Agreement or the applicable Servicing Agreement;

    

    (F) any
      Prepayment Interest Excess, to the extent not offset by Prepayment Interest
      Shortfalls; and

    

    (G) such
      portion of each payment in respect of interest representing Retained Interest,
      if any; and

    

    (ii) any
      other
      payment made by the Master Servicer, the Securities Administrator, any Servicer,
      the Seller, the Depositor, or any other Person with respect to such Distribution
      Date (including the Purchase Price with respect to any Mortgage Loan purchased
      by the Seller, the Depositor or any other Person and any related Substitution
      Amount) pursuant to this Agreement, a Custodial Agreement or a Servicing
      Agreement.

    

    AX1
      Mortgage Loans:
      Each
      Mortgage Loan in Pool 1 with a Net Mortgage Rate greater than 6.50%, as listed
      on Schedule D hereto. 

    

    AX3
      Mortgage Loans:
      Each
      Mortgage Loan in Pool 3 with a Net Mortgage Rate greater than 6.00%, as listed
      on Schedule D hereto. 

    

    Back-Up
      Certification:
      As
      defined in Section 6.20(e)(iv).

    

    Balloon
      Mortgage Loan:
      Any
      Mortgage Loan having an original term to maturity that is shorter than its
      amortization schedule, and a final Scheduled Payment that is disproportionately
      large in comparison to other Scheduled Payments.

    

    Balloon
      Payment:
      The
      final Scheduled Payment in respect of a Balloon Mortgage Loan.

    

    Bankruptcy:
      With
      respect to any Person, the making of an assignment for the benefit of creditors,
      the filing of a voluntary petition in bankruptcy, adjudication as a bankrupt
      or
      insolvent, the entry of an order for relief in a bankruptcy or insolvency
      proceeding, the seeking of reorganization, arrangement, composition,
      readjustment, liquidation, dissolution or similar relief, or seeking, consenting
      to or acquiescing in the appointment of a trustee, receiver or liquidator,
      dissolution, or termination, as the case may be, of such Person pursuant to
      the
      provisions of either the United States Bankruptcy Code of 1986, as amended,
      or
      any other similar state laws.

    

    
      
        
        

      

      
        15

        
          

        

      

      
        
        

      

    

    Bankruptcy
      Coverage Termination Date:
      The
      Distribution Date on which the Bankruptcy Loss Limit has been reduced to zero
      (or less than zero).

    

    Bankruptcy
      Loss Limit:
      As of
      the Cut-off Date with respect to the Mortgage Loans in Pool 1, initially,
      $100,000.00, which amount shall be reduced from time to time by the amount
      of
      Bankruptcy Losses allocated to the related Certificates. As of the Cut-off
      Date
      with respect to the Mortgage Loans in Pool 2 and Pool 3 combined, initially,
      $170,844.92, which amount shall be reduced from time to time by the amount
      of
      Bankruptcy Losses allocated to the related Certificates.

    

    Bankruptcy
      Losses:
      With
      respect to the Mortgage Loans in the related Collateral Group, losses that
      are
      incurred as a result of Deficient Valuations and any reduction, in a bankruptcy
      proceeding, of the amount of the Scheduled Payment on a Mortgage Loan other
      than
      as a result of a Deficient Valuation.

    

    Basis
      Risk Reserve Fund:
      None.

    

    Basis
      Risk Shortfall:
      None.

    

    Blanket
      Mortgage:
      The
      mortgage or mortgages encumbering a Cooperative Property.

    

    Book-Entry
      Certificates:
      Beneficial interests in Certificates designated as “Book-Entry Certificates” in
      this Agreement, ownership and transfers of which shall be evidenced or made
      through book entries by a Clearing Agency as described in Section 3.09;
provided,
      that
      after the occurrence of a condition whereupon book-entry registration and
      transfer are no longer permitted and Definitive Certificates are to be issued
      to
      Certificate Owners, such Book-Entry Certificates shall no longer be “Book-Entry
      Certificates.” As of the Closing Date, all of the Classes of Certificates listed
      on the Class Table, other than the Class LT-R and Class R Certificates,
      constitute Book-Entry Certificates. 

    

    Business
      Day:
      Any day
      other than (i) a Saturday or a Sunday, (ii) a day on which banking institutions
      in Colorado, Maryland,
      Massachusetts, Minnesota or New York, or, if other than New York, the city
      in
      which the Corporate Trust Office of the Securities Administrator is located,
      or
      (iii) with respect to any Servicer Remittance Date or any Servicer reporting
      date, the States specified in the definition of “Business Day” in the applicable
      Servicing Agreement, are authorized or obligated by law or executive order
      to be
      closed.

    

    Capitalization
      Reimbursement Amount:
      For any
      Distribution Date and with respect to any modified Mortgage Loans, the sum
      of
      the amounts, if any, of unreimbursed Advances and servicing advances that were
      added to the Scheduled Principal Balances of such Mortgage Loans in connection
      with the related modifications.

    

    Cap
      Agreements:
      None.

    

    Cap
      Certificate:
      None.

    

    Cap
      Counterparty:
      None.

    

    
      
        
        

      

      
        16

        
          

        

      

      
        
        

      

    

    Certificate:
      Any one
      of the certificates signed and countersigned by the Securities Administrator
      in
      substantially one of the forms attached hereto as Exhibit A.

    

    Certificate
      Account:
      The
      account maintained by the Securities Administrator in accordance with the
      provisions of Section 4.04.

    

    Certificate
      Insurance Premium:
      None.

    

    Certificate
      Insurer:
      None.

    

    Certificate
      Insurer Default:
      Not
      applicable.

    

    Certificate
      Interest Rate:
      With
      respect to each Class of Certificates (other than the Class P Certificates
      and
      any Principal-Only Certificates) and any Class I Components, the applicable
      per
      annum rate formula specified or determined as provided in the Class
      Table.

    

    Certificate
      Owner:
      With
      respect to a Book-Entry Certificate, the Person who is the owner of such
      Book-Entry Certificate, as reflected on the books of the Clearing Agency, or
      on
      the books of a Person maintaining an account with such Clearing Agency (directly
      or as an indirect participant, in accordance with the rules of such Clearing
      Agency) and with respect to Certificates other than Book-Entry Certificates,
      the
      Holder.

    

    Certificate
      Principal Amount:
      With
      respect to any Certificate (other than a Notional Certificate or any Class
      P
      Certificate), at the time of determination, the maximum specified dollar amount
      of principal to which the Holder thereof is then entitled hereunder, such amount
      being equal to the initial principal amount set forth on the face of such
      Certificate (1) less the amount of all principal distributions previously
      made with respect to such Certificate, all Realized Losses allocated to such
      Certificate, and, in the case of a Subordinate Certificate, any related
      Subordinate Certificate Writedown Amount allocated to such Certificate and
      (2)
      as increased, in the case of any Accrual Certificate, by such Certificate’s
      Percentage Interest of any Accrual Amount allocated thereto; provided,
      however,
      that on
      any Distribution Date on which a Subsequent Recovery is distributed, the
      Certificate Principal Amount of any Class of Certificates then outstanding
      for
      which any Realized Loss or any related Subordinate Certificate Writedown Amount
      has been applied will be increased, in order of seniority, by an amount (to
      be
      applied pro
      rata
      to all
      Certificates of such Class) equal to the lesser of (i) the amount the Class
      of
      Certificates has been reduced by any Realized Losses or any related Subordinate
      Certificate Writedown Amount which have not been previously increased by any
      Subsequent Recovery and (ii) the total amount of any Subsequent Recovery
      distributed on such date to Certificateholders after application (for this
      purpose) to the related more senior Classes of Certificates. For purposes of
      Article V hereof, unless specifically provided to the contrary, Certificate
      Principal Amounts shall be determined as of the close of business of the
      immediately preceding Distribution Date, after giving effect to all
      distributions made on such date. Notional Certificates and Class P Certificates
      are issued without Certificate Principal Amounts.

    

    Certificate
      Register
      and
Certificate
      Registrar:
      The
      register maintained and the registrar appointed pursuant to Section
      3.02.

    

    Certificateholder:
      The
      meaning provided in the definition of “Holder.”

    

    
      
        
        

      

      
        17

        
          

        

      

      
        
        

      

    

    Certification
      Parties:
      As
      defined in Section 6.20(e)(iv).

    

    Certifying
      Person:
      As
      defined in Section 6.20(e)(iv).

    

    Charged-off
      Loan:
      As of
      any date of determination, any Mortgage Loan other than a Covered Mortgage
      Loan
      that was delinquent in payment for a period of 180 days or more as of the last
      calendar day of the month immediately preceding the month in which such date
      of
      determination occurs, without giving effect to any grace period permitted by
      the
      related Mortgage Note; provided,
      however,
      that
      with respect to any such Mortgage Loan, (i) an equity analysis performed by
      the
      related Servicer supports charge-off over foreclosure, (ii) the related
      Mortgaged Property has not become REO Property, (iii) there are no active
      foreclosure or other loss mitigation activities and (iv) nothing has come to
      the
      attention of the related Servicer indicating that any such Mortgage Loan, at
      the
      time of its origination, violated any applicable federal, state or local law
      or
      regulation, including, without limitation, usury, truth-in-lending, consumer
      credit protection and privacy, equal credit opportunity, disclosure or predatory
      and abusive lending laws, applicable to the origination and servicing of such
      Mortgage Loan.

    

    Class:
      All
      Certificates bearing the same class designation, and, in the case of REMIC
      I,
      REMIC II and REMIC III, all Lower Tier Interests bearing the same
      designation.

    

    Class
      I Components:
      None.

    

    Class
      LT-R Certificates:
      Each Class LT-R Certificate executed by the Securities Administrator, and
      authenticated and delivered by the Certificate Registrar, substantially in
      the
      form annexed hereto as Exhibit A and evidencing the residual interest in REMIC
      I.

    

    Class
      Notional Amount:
      With
      respect to each Class of Notional Certificates, as follows:

    

    ·    With
      respect to any Distribution Date and the Class AX1 Certificates, the product
      of
      (1) a fraction, the numerator of which is the weighted average of the Net
      Mortgage Rates of the AX1 Mortgage Loans minus 6.50% and the denominator of
      which is 6.50%, and (2) the total Scheduled Principal Balance of the AX1
      Mortgage Loans. 

    

    ·    With
      respect
      to any Distribution Date and the Class AX3 Certificates, the product of (1)
      a
      fraction, the numerator of which is the weighted average of the Net Mortgage
      Rates of the AX3 Mortgage Loans minus 6.00% and the denominator of which is
      6.00%, and (2) the total Scheduled Principal Balance of the AX3 Mortgage Loans.
      

    

    ·    With
      respect
      to any Distribution Date and the Class 2-A12 Certificates, the product of (1)
      nine and (2) the Class Principal Amount of the Class 2-A11 Certificates
      immediately preceding such Distribution Date.

    

    ·    With
      respect
      to any Distribution Date and the Class 3-A8 Certificates, approximately
      138.46153846% of the Related Senior Balance for Collateral Group
      3B.

    

    ·    With
      respect
      to any Distribution Date and the Class 3-A13 Certificates, the product of (1)
      two and (2) the Class Principal Amount of the Class 3-A12 Certificates
      immediately preceding such Distribution Date.

    

    
      
        
        

      

      
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    Class
      P Components:
      None.

    

    Class
      Percentage:
      With
      respect to each Class of Subordinate Certificates, for each Distribution Date,
      the percentage obtained by dividing the Class Principal Amount of such Class
      immediately prior to such Distribution Date by the sum of the aggregate Class
      Principal Amount of all Classes of related Senior Certificates and the aggregate
      Class Principal Amount of all Classes of Subordinate Certificates of the related
      Subordinate Certificate Group immediately prior to such date.

    

    Class
      Principal Amount:
      With
      respect to each Class of Certificates other than any Class of Notional
      Certificates and the Class P Certificates, the aggregate of the Certificate
      Principal Amounts of all Certificates of such Class at the date of
      determination. With respect to each Class of Notional Certificates, zero. With
      respect to each Class of Lower Tier Interest and any date of determination,
      the
      initial Class Principal Amount, if any, as set forth in the Preliminary
      Statement as reduced by all distributions of principal and all losses previously
      allocated to such Class.

    

    Class
      R-2 Interest:
      The
      sole residual interest in REMIC II.

    

    Class
      R-3 Interest:
      The
      sole residual interest in REMIC III.

    

    Class
      Table:
      The
      table, attached as Exhibit S hereto, setting forth the characteristics of each
      Class of Certificates (and the Exchange and Exchangeable Classes).

    

    Clearing
      Agency:
      An
      organization registered as a “clearing agency” pursuant to Section 17A of the
      Exchange Act. As of the Closing Date, the Clearing Agency shall be The
      Depository Trust Company.

    

    Clearing
      Agency Participant:
      A
      broker, dealer, bank, other financial institution or other Person for whom
      from
      time to time a Clearing Agency effects book-entry transfers and pledges of
      securities deposited with the Clearing Agency.

    

    Clearstream:
      Clearstream Banking Luxembourg, and any successor thereto.

    

    Closing
      Date:
      November 30, 2007.

    

    Code:
      The
      Internal Revenue Code of 1986, as amended, and as it may be further amended
      from
      time to time, any successor statutes thereto, and applicable U.S. Department
      of
      Treasury regulations issued pursuant thereto in temporary or final
      form.

    

    Collateral
      Group:
      Any of
      Collateral Groups PO1, PO2, PO3, 1, 2, 3A, 3B or 4.

    

    Collateral
      Group PO1:
      The
      group of Discount Mortgage Loans (or portions thereof) in Subgroup 1-A that
      have
      been stripped to a Net Mortgage Rate of 0.00%.

    

    Collateral
      Group PO2:
      The
      group of Discount Mortgage Loans (or portions thereof) in Subgroup 2-A that
      have
      been stripped to a Net Mortgage Rate of 0.00%.

    

    
      
        
        

      

      
        19

        
          

        

      

      
        
        

      

    

    Collateral
      Group PO3:
      The
      group of Discount Mortgage Loans (or portions thereof) in Subgroup 3-A that
      have
      been stripped to a Net Mortgage Rate of 0.00%.

    

    Collateral
      Group 1:
      The
      group of Mortgage Loans (or portions thereof) in Subgroup 1-A, and Subgroup
      1-B
      that have been stripped to a Net Mortgage Rate of 6.00%.

    

    Collateral
      Group 2:
      The
      group of Mortgage Loans (or portions thereof) in Subgroup 1-B and Subgroup
      1-C
      that have been stripped to a Net Mortgage Rate of 6.50%.

    

    Collateral
      Group 3A:
      The
      group of Mortgage Loans (or portions thereof) in Subgroup 2-A and Subgroup
      2-B
      that have been stripped to a Net Mortgage Rate of 6.00%.

    

    Collateral
      Group 3B:
      The
      group of Mortgage Loans (or portions thereof) in Subgroup 2-B that have been
      stripped to a Net Mortgage Rate of 15.00%.

    

    Collateral
      Group 4:
      The
      group of Mortgage Loans (or portions thereof) in Subgroup 3-A and Subgroup
      3-B
      that have been stripped to a Net Mortgage Rate of 6.00%.

    

    Collection
      Account:
      A
      separate account established and maintained by the Master Servicer pursuant
      to
      Section 4.01.

    

    Commission:
      U.S.
      Securities and Exchange Commission.

    

    Combination
      Group:
      Any
      combination of Exchange Certificates set forth on Appendix A to the Exchange
      Trust Agreement.

    

    Compensating
      Interest Payment:
      With
      respect to any Distribution Date, an amount equal to the aggregate amount of
      any
      Prepayment Interest Shortfalls required to be paid by the Servicers with
respect
      to such Distribution Date. The Master Servicer shall not be responsible to
      make
      any Compensating Interest Payment.

    

    Component:
      None.

    

    Component
      Certificate:
      None.

    

    Component
      Interest Rate:
      None.

    

    Component
      Notional Amount:
      None.

    

    Component
      Principal Amount:
      None.

    

    Component
      Writedown Amount:
      Not
      applicable.

    

    Control:
      The
      meaning specified in Section 8-106 of the UCC.

    

    Conventional
      Loan:
      A
      Mortgage Loan that is not insured by the United States Federal Housing
      Administration or guaranteed by the United States Veterans
      Administration.

    

    Converted
      Mortgage Loan:
      None.

    

    
      
        
        

      

      
        20

        
          

        

      

      
        
        

      

    

    Convertible
      Mortgage Loan:
      None.

    

    Cooperative
      Corporation:
      The
      entity that holds title (fee or an acceptable leasehold estate) to the real
      property and improvements constituting the Cooperative Property and which
      governs the Cooperative Property, which Cooperative Corporation must qualify
      as
      a Cooperative Housing Corporation under Section 216 of the Code.

    

    Cooperative
      Loan:
      Any
      Mortgage Loan secured by Cooperative Shares and a Proprietary
      Lease.

    

    Cooperative
      Loan Documents:
      As to
      any Cooperative Loan, (i) the Cooperative Shares, together with a stock power
      in
      blank; (ii) the original executed Security Agreement and the assignment of
      the
      Security Agreement endorsed in blank; (iii) the original executed Proprietary
      Lease and the assignment of the Proprietary Lease endorsed in blank; (iv) the
      original executed Recognition Agreement and the assignment of the Recognition
      Agreement (or a blanket assignment of all Recognition Agreements) endorsed
      in
      blank; (v) the executed UCC-1 financing statement with evidence of recording
      thereon, which has been filed in all places required to perfect the security
      interest in the Cooperative Shares and the Proprietary Lease; and (vi) executed
      UCC-3 financing statements (or copies thereof) or other appropriate UCC
      financing statements required by state law, evidencing a complete and unbroken
      line from the mortgagee to the Trustee with evidence of recording thereon (or
      in
      a form suitable for recordation).

    

    Cooperative
      Property:
      The
      real property and improvements owned by the Cooperative Corporation, that
      includes the allocation of individual dwelling units to the holders of the
      Cooperative Shares of the Cooperative Corporation.

    

    Cooperative
      Shares:
      Shares
      issued by a Cooperative Corporation.

    

    Cooperative
      Unit:
      A
      single-family dwelling located in a Cooperative Property.

    

    Corporate
      Trust Office:
      With
      respect to the Securities Administrator, the principal corporate trust office
      at
      which, at any particular time, its corporate trust business shall be
      administered, which office at the date hereof is located at (a) for purposes
      of
      presentment, exchange and surrender of the Certificates, Sixth Street and
      Marquette Avenue, Minneapolis, Minnesota 55479, Attention: Corporate Trust
      Services, LMT 2007-10 and (b) for all other purposes, Wells Fargo Bank, N.A.,
      9062 Old Annapolis Road, Columbia, Maryland 21045, Attention: Client Service
      Manager, LMT 2007-10. With respect to the Trustee, the corporate trust office
      of
      the Trustee at which, at any particular time, its corporate trust business
      shall
      be administered, which office at the date hereof is located at One Federal
      Street, Third Floor, Boston, Massachusetts 02110, Attention: Corporate Trust
      Services: LMT 2007-10.

    

    Corresponding
      Class:
      With
      respect to any class of REMIC II Interests or REMIC III Interests, the Class
      of
      Certificates so designated in the Preliminary Statement hereto. With respect
      to
      any Class of Certificates, the class or classes of Lower Tier Interests so
      designated in the Preliminary Statement hereto.

    

    Covered
      Mortgage Loan:
      Any
      mortgage loan that is covered by a Primary Mortgage Insurance
      Policy.

    

    
      
        
        

      

      
        21

        
          

        

      

      
        
        

      

    

    Credit
      Score:
      With
      respect to any Mortgage Loan, a numerical assessment of default risk with
      respect to the Mortgagor under such Mortgage Loan, determined on the basis
      of a
      methodology developed by Fair, Isaac & Co., Inc.

    

    Credit
      Support Depletion Date:
      With
      respect to Pool 1, the Distribution Date on which, giving effect to all
      distributions on such date, the aggregate Certificate Principal Amount of the
      Group 1 Subordinate Certificates is reduced to zero. With respect to Pool 2
      and
      Pool 3, the Distribution Date on which, giving effect to all distributions
      on
      such date, the aggregate Certificate Principal Amount of the Group 2 Subordinate
      Certificates is reduced to zero. 

    

    Credit
      Support Percentage:
      As to
      any Class of Subordinate Certificates and any Distribution Date, the sum of
      the
      Class Percentages of all related Classes of Certificates that rank lower in
      priority than such Class (without giving effect to distributions on such
      Distribution Date).

    

    Custodial
      Agreement:
      Each
      custodial agreement attached as Exhibit K hereto, and any custodial agreement
      subsequently executed by the Trustee and acknowledged by the Master Servicer
      substantially in the form thereof.

    

    Custodian:
      Each
      custodian appointed by the Trustee pursuant to the Custodial Agreement, and
      any
      successor thereto. The initial custodians shall be Wells Fargo Bank, N.A.,
      U.S.
      Bank National Association, Deutsche Bank National Trust Company and LaSalle
      Bank, National Association.

    

    Cut-off
      Date:
      November 1, 2007.

    

    Cut-off
      Date Aggregate Principal Balance:
      With
      respect to the Mortgage Loans in the Trust Fund on the Closing Date, the
      Aggregate Principal Balance for all such Mortgage Loans as of the Cut-off
      Date.

    

    Debt
      Service Reduction:
      With
      respect to any Mortgage Loan, a reduction of the Scheduled Payment that the
      related Mortgagor is obligated to pay on any Due Date as a result of any
      proceeding under Bankruptcy law or any similar proceeding.

    

    Deceased
      Holder:
      Not
      applicable.

    

    Deferred
      Interest:
      Not
      applicable.

    

    Deficiency
      Amount:
      Not
      applicable.

    

    Deficient
      Valuation:
      With
      respect to any Mortgage Loan, a valuation by a court of competent jurisdiction
      of the Mortgaged Property in an amount less than the then outstanding
      indebtedness under such Mortgage Loan, which valuation results from a proceeding
      under Bankruptcy law or any similar proceeding.

    

    Definitive
      Certificate:
      A
      Certificate of any Class issued in definitive, fully registered, certificated
      form.

    

    
      
        
        

      

      
        22

        
          

        

      

      
        
        

      

    

    Deleted
      Mortgage Loan:
      A
      Mortgage Loan that is repurchased from the Trust Fund pursuant to the terms
      hereof or as to which one or more Qualifying Substitute Mortgage Loans are
      substituted therefor.

    

    Depositor:
      Structured Asset Securities Corporation, a Delaware corporation having its
      principal place of business in New York, or its successors in
      interest.

    

    Designated
      Rate:
      For
      Collateral Groups 1, 3A and 4, 6.00%. For Collateral Group 2, 6.50%. For
      Collateral Group 3B, 15.00%. For Collateral Groups PO1, PO2 and PO3,
      0.00%.

    

    Determination
      Date:
      With
      respect to each Distribution Date and any Servicer, as specified in the
      applicable Servicing Agreement.

    

    Discount
      Mortgage Loan:
      With
      respect to any Mortgage Pool, any related Mortgage Loan with a Net Mortgage
      Rate
      of less than 6.00%.

    

    Disqualified
      Organization:
      A
“disqualified organization” as defined in Section 860E(e)(5) of the
      Code.

    

    Distressed
      Mortgage Loan:
      Any
      Mortgage Loan that at the date of determination is delinquent in payment for
      a
      period of 90 days or more without giving effect to any grace period permitted
      by
      the related Mortgage Note or for which the applicable Servicer or the Trustee
      has accepted a deed in lieu of foreclosure.

    

    Distribution
      Date:
      The
      25th
      day of
      each month, or, if such 25th
      day is
      not a Business Day, the next succeeding Business Day commencing in December
      2007.

    

    Distribution
      Date Statement:
      As
      defined in Section 4.03(a) hereof. 

    

    Document
      Transfer Event:
      Not
      applicable.

    

    Due
      Date:
      With
      respect to any Mortgage Loan, the date on which a Scheduled Payment is due
      under
      the related Mortgage Note.

    

    Due
      Period:
      With
      respect to any Distribution Date, the period commencing on the second day of
      the
      month immediately preceding the month in which such Distribution Date occurs
      and
      ending on the first day of the month in which such Distribution Date
      occurs.

    

    Eligible
      Account:
      Either
      (i) an account or accounts maintained with a federal or state chartered
      depository institution or trust company which have been rated by each Rating
      Agency in one of its two highest long-term and its highest short-term rating
      categories, respectively, at the time any amounts are held on deposit therein,
      provided,
      that
      following a downgrade, withdrawal, or suspension of such institution’s rating
      below such ratings set forth above, each account shall promptly (and in any
      case
      within not more than 30 calendar days) be moved to an Eligible Account or to
      one
      or more segregated trust accounts in the trust department of such institution
      which has the required ratings, or (ii) a segregated trust account or accounts
      (which shall be a “special deposit account”) maintained with the Securities
      Administrator or any other federal or state chartered depository institution
      or
      trust company, acting in its fiduciary capacity, in a manner acceptable to
      the
      Trustee and the Rating Agencies.

    

    
      
        
        

      

      
        23

        
          

        

      

      
        
        

      

    

    Eligible
      Investments:
      Any one
      or more of the following obligations or securities:

    

    (i) direct
      obligations of, and obligations fully guaranteed as to timely payment of
      principal and interest by, the United States of America or any agency or
      instrumentality of the United States of America the obligations of which are
      backed by the full faith and credit of the United States of America (“Direct
      Obligations”);

    

    (ii) federal
      funds, or demand and time deposits in, certificates of deposits of, or bankers’
acceptances issued by, any depository institution or trust company (including
      U.S. subsidiaries of foreign depositories and the Securities Administrator
      or
      the Trustee or any agent of the Trustee, acting in its respective commercial
      capacity) incorporated or organized under the laws of the United States of
      America or any state thereof and subject to supervision and examination by
      federal or state banking authorities, so long as at the time of investment
      or
      the contractual commitment providing for such investment the commercial paper
      or
      other short-term debt obligations of such depository institution or trust
      company (or, in the case of a depository institution or trust company which
      is
      the principal subsidiary of a holding company, the commercial paper or other
      short-term debt or deposit obligations of such holding company or deposit
      institution, as the case may be) have been rated by each Rating Agency in its
      highest short-term rating category or one of its two highest long-term rating
      categories;

    

    (iii) repurchase
      agreements collateralized by Direct Obligations or securities guaranteed by
      GNMA, FNMA or FHLMC with any registered broker/dealer subject to Securities
      Investors’ Protection Corporation jurisdiction or any commercial bank insured by
      the FDIC, if such broker/dealer or bank has an uninsured, unsecured and
      unguaranteed obligation rated by each Rating Agency in its highest short-term
      rating category;

    

    (iv) securities
      bearing interest or sold at a discount issued by any corporation incorporated
      under the laws of the United States of America or any state thereof which have
      a
      credit rating from each Rating Agency, at the time of investment or the
      contractual commitment providing for such investment, at least equal to one
      of
      the two highest short-term credit ratings of each Rating Agency; provided,
      however,
      that
      securities issued by any particular corporation will not be Eligible Investments
      to the extent that investment therein will cause the then outstanding principal
      amount of securities issued by such corporation and held as part of the Trust
      Fund to exceed 20% of the sum of the Aggregate Principal Balance and the
      aggregate principal amount of all Eligible Investments in the Certificate
      Account; provided,
      further,
      that
      such securities will not be Eligible Investments if they are published as being
      under review with negative implications from any Rating Agency;

    

    (v) commercial
      paper (including both non interest-bearing discount obligations and
      interest-bearing obligations payable on demand or on a specified date not more
      than 180 days after the date of issuance thereof) rated by each Rating Agency
      in
      its highest short-term ratings;

    

    
      
        
        

      

      
        24

        
          

        

      

      
        
        

      

    

    (vi) a
      Qualified GIC;

    

    (vii) certificates
      or receipts representing direct ownership interests in future interest or
      principal payments on obligations of the United States of America or its
      agencies or instrumentalities (which obligations are backed by the full faith
      and credit of the United States of America) held by a custodian in safekeeping
      on behalf of the holders of such receipts; and

    

    (viii) any
      other
      demand, money market fund, common trust fund or time deposit or obligation,
      or
      interest-bearing or other security or investment (including those managed or
      advised by the Securities Administrator or any Affiliate thereof), (A) rated
      in
      the highest rating category by each Rating Agency rating such investment or
      (B)
      that would not adversely affect the then current rating by any Rating Agency
      of
      any of the Certificates. Such investments in this subsection (viii) may include
      money market mutual funds or common trust funds, including any other fund for
      which Securities
      Administrator,
      the Trustee (in
      its
      commercial capacity),
      the
      Master Servicer or an affiliate thereof serves as an investment advisor,
      administrator, shareholder servicing agent, and/or custodian or subcustodian,
      notwithstanding that (x) Securities Administrator, the
      Trustee
      (in its commercial capacity), the Master Servicer or an affiliate thereof
      charges and collects fees and expenses from such funds for services rendered,
      (y) Securities Administrator, the
      Trustee (in
      its
      commercial capacity), the Master Servicer or an affiliate thereof charges and
      collects fees and expenses for services rendered pursuant to this Agreement,
      and
      (z) services performed for such funds and pursuant to this Agreement may
      converge at any time. The
      Trustee or
      an
      affiliate thereof is specifically authorized to charge and collect from the
      Trust Fund such fees as are collected from all investors in such funds for
      services rendered to such funds (but not to exceed investment earnings
      thereon);

    

    provided,
      however,
      that no
      such instrument shall be an Eligible Investment if such instrument evidences
      either (i) a right to receive only interest payments with respect to the
      obligations underlying such instrument, or (ii) both principal and interest
      payments derived from obligations underlying such instrument and the principal
      and interest payments with respect to such instrument provide a yield to
      maturity of greater than 120% of the yield to maturity at par of such underlying
      obligations, provided
      that any
      such investment will be a “permitted investment” within the meaning of Section
      860G(a)(5) of the Code.

    

    Employee
      Discount Rate:
      Not
      applicable.

    

    Employee
      Mortgage Loan:
      None.

    

    ERISA:
      The
      Employee Retirement Income Security Act of 1974, as amended.

    

    ERISA-Qualifying
      Underwriting:
      A best
      efforts or firm commitment underwriting or private placement that meets the
      requirements of an Underwriter’s Exemption.

    

    ERISA-Restricted
      Certificate:
      Any (1)
      Class 1B4, Class 1B5, Class 1B6, Class 2B4, Class 2B5, Class 2B6, Class P,
      Class
      R or Class LT-R Certificate, (2) until it has been subject to an
      ERISA-Qualifying Underwriting, any Retained Certificate or (3) any Certificate
      with a rating below the lowest applicable rating permitted under the
      Underwriter’s Exemption.

    

    
      
        
        

      

      
        25

        
          

        

      

      
        
        

      

    

    ERISA-Restricted
      Trust Certificate:
      None.

    

    Escrow
      Account:
      Any
      account established and maintained by the applicable Servicer pursuant to the
      applicable Servicing Agreement.

    

    Euroclear:
      JPMorgan Chase Bank, Brussels office, as operator of the Euroclear
      System.

    

    Event
      of Default:
      Any one
      of the conditions or circumstances enumerated in Section 6.14(a).

    

    Excess
      Loss:
      Any
      Bankruptcy Loss, or portion thereof, in excess of the then-applicable Bankruptcy
      Loss Limit, any Fraud Loss, or portion thereof, in excess of the then-applicable
      Fraud Loss Limit, and any Special Hazard Loss, or portion thereof, in excess
      of
      the then-applicable Special Hazard Loss Limit.

    

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

    

    Exchange
      Act Signing Party:
      Either
      the Depositor or the Master Servicer, to be determined by mutual agreement
      between such parties.

    

    Exchange
      Class
      or Exchange
      Certificates:
      The Classes of Certificates identified as such, and issued under, the Exchange
      Trust Agreement.

    

    Exchangeable
      Classes
      or Exchangeable
      Certificates:
      The
      Classes of Certificates identified as such, and issued under, the Exchange
      Trust
      Agreement.

    

    Exchange
      Trust Agreement:
      The
      Exchange Trust Agreement dated as of November 1, 2007, entered into by and
      among
      the Depositor, the Securities Administrator and the Trustee for the issuance
      of
      the Exchange and Exchangeable Certificates.

    

    Exchange
      Trustee:
      U.S.
      Bank National Association, in its capacity as trustee under the Exchange Trust
      Agreement.

    

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

    

    FHLMC
      or Freddie Mac:
      The
      Federal Home Loan Mortgage Corporation, a corporate instrumentality of the
      United States created and existing under Title III of the Emergency Home Finance
      Act of 1970, as amended, or any successor thereto.

    

    Final
      Scheduled Distribution Date:
      With
      respect to Collateral Groups 1, 2 and PO1, the Distribution Date in January
      2038. With respect to Collateral Groups 3A, 3B and PO2, the Distribution Date
      in
      December 2037. With respect to Collateral Groups 4 and PO3, the Distribution
      Date in January 2027.

    

    Financial
      Asset:
      The
      meaning specified in Section 8-102(a)(9) of the UCC.

    

    
      
        
        

      

      
        26

        
          

        

      

      
        
        

      

    

    Financial
      Intermediary:
      A
      broker, dealer, bank or other financial institution or other Person that clears
      through or maintains a custodial relationship with a Clearing Agency
      Participant.

    

    Fitch:
      Fitch
      Ratings or any successor in interest.

    

    FNMA
      or Fannie Mae:
      The
      Federal National Mortgage Association, a federally chartered and privately
      owned
      corporation organized and existing under the Federal National Mortgage
      Association Charter Act, or any successor thereto.

    

    Forgiven
      Amount:
      Any
      amount of principal or delinquent interest that the related Mortgagor is no
      longer required to pay as a result of any modification by the related Servicer
      of the terms of the related Mortgage Note.

    

    Form
      8-K Disclosure Information:
      As
      defined in Section 6.20(f)(i).

    

    Form
      10-K Certification:
      The
      certification required pursuant to Rule 13a-14 under the Exchange
      Act.

    

    Fraud
      Loss:
      Any
      Realized Loss on a Liquidated Mortgage Loan sustained by reason of a default
      arising from fraud, dishonesty or misrepresentation in connection with such
      Liquidated Mortgage Loan, as reported by a Servicer to the Master
      Servicer.

    

    Fraud
      Loss Limit:
      As of
      the Cut-off Date with respect to the Mortgage Loans in Pool 1, initially,
      $2,517,380.82. As of the Cut-off Date with respect to the Mortgage Loans in
      Pool
      2 and Pool 3 combined, initially $11,735,593.59. In addition, on each
      anniversary of the Cut-off Date, the Fraud Loss Limit for Pool 1 will be reduced
      as follows: (a) on the first through third anniversaries of the Cut-off Date,
      to
      an amount equal to the lesser of (1) such Fraud Loss Limit as of the most recent
      anniversary of the Cut-off Date and (2) 1.00% of the aggregate Scheduled
      Principal Balance of the related Mortgage Loans, as of the most recent
      anniversary of the Cut-off Date, and (b) on the fourth and fifth anniversaries
      of the Cut-off Date, to an amount equal to the lesser of (1) such Fraud Loss
      Limit as of the most recent anniversary of the Cut-off Date and (2) 0.50% of
      the
      aggregate Scheduled Principal Balance of the related Mortgage Loans, as of
      the
      most recent anniversary of the Cut-off Date and thereafter, to zero. Similarly,
      on each anniversary of the Cut-off Date, the Fraud Loss Limit for Pool 2 and
      Pool 3 combined will be reduced as follows: (a) on the first anniversary of
      the
      Cut-off Date, to an amount equal to the lesser of (1) such Fraud Loss Limit
      as
      of the most recent anniversary of the Cut-off Date and (2) 3.00% of the
      aggregate Scheduled Principal Balance of the related Mortgage Loans, as of
      the
      most recent anniversary of the Cut-off Date, (b) on the second anniversary
      of
      the Cut-off Date, to an amount equal to the lesser of (1) such Fraud Loss Limit
      as of the most recent anniversary of the Cut-off Date and (2) 2.00% of the
      aggregate Scheduled Principal Balance of the related Mortgage Loans, as of
      the
      most recent anniversary of the Cut-off Date, and (c) on the third through fifth
      anniversaries of the Cut-off Date, to an amount equal to the lesser of (1)
      such
      Fraud Loss Limit as of the most recent anniversary of the Cut-off Date and
      (2)
      1.00% of the aggregate Scheduled Principal Balance of the related Mortgage
      Loans, as of the most recent anniversary of the Cut-off Date and thereafter,
      to
      zero. 

    

    Global
      Securities:
      The
      global certificates representing the Book-Entry Certificates.

    

    
      
        
        

      

      
        27

        
          

        

      

      
        
        

      

    

    GNMA:
      The
      Government National Mortgage Association, a wholly owned corporate
      instrumentality of the United States within HUD.

    

    Group
      1 Subordinate Certificates:
      Any of
      the Class 1B1, Class 1B2, Class 1B3, Class 1B4, Class 1B5 and Class 1B6
      Certificates. 

    

    Group
      2 Subordinate Certificates:
      Any of
      the Class 2B1, Class 2B2, Class 2B3, Class 2B4, Class 2B5 and Class 2B6
      Certificates.

    

    Group
      Subordinate Amount:
      With
      respect to any Collateral Group (other than Collateral Groups PO1, PO2 and
      PO3)
      and any Distribution Date, the excess of the Non-AP Pool Balance for the
      immediately preceding Distribution Date for that Collateral Group over the
      sum
      of the Certificate Principal Amounts (or, with respect to Collateral Groups
      3A
      or 3B, the Related Senior Balance) of the related Non-AP Senior Certificates
      immediately prior to that Distribution Date.

    

    Holder
      or Certificateholder:
      The
      registered owner of any Certificate as recorded on the books of the Certificate
      Registrar except that, solely for the purposes of taking any action or giving
      any consent pursuant to this Agreement, any Certificate registered in the name
      of the Depositor, the Trustee, the Master Servicer, the Securities
      Administrator, any Servicer, any Cap Counterparty or any Affiliate thereof
      shall
      be deemed not to be outstanding in determining whether the requisite percentage
      necessary to effect any such consent has been obtained, except that, in
      determining whether the
      Trustee
      shall be protected in relying upon any such consent, only Certificates which
      a
      Responsible Officer of the
      Trustee
      knows to be so owned shall be disregarded. The Trustee may request and
      conclusively rely on certifications by the Depositor, the Securities
      Administrator, the Master Servicer and any Servicer in determining whether
      any
      Certificates are registered to an Affiliate of the Depositor, the Master
      Servicer, the Securities Administrator or any Servicer. After a Section 7.01(c)
      Purchase Event other than in Sections 5.02(a) through (h) and 11.03(a) and
      (b)
      herein, and, except in the case of the Class LT-R Certificates, Sections 3.03,
      3.04, 3.05, 3.06, 3.07, 3.09 and 5.07(c) and (f) herein, all references in
      this
      Agreement to “Holder” or “Certificateholder” shall be deemed to be references to
      the LTURI-holder, as recorded on the books of the Certificate Registrar, as
      holder of the Lower Tier REMIC 1 Uncertificated Regular Interests.

    

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

    

    Independent:
      When
      used with respect to any Accountants, a Person who is “independent” within the
      meaning of Rule 2-01(b) of the Commission’s Regulation S-X. When used with
      respect to any other Person, a Person who (a) is in fact independent of another
      specified Person and any Affiliate of such other Person, (b) does not have
      any
      material direct financial interest in such other Person or any Affiliate of
      such
      other Person, and (c) is not connected with such other Person or any Affiliate
      of such other Person as an officer, employee, promoter, underwriter, trustee,
      partner, director or Person performing similar functions.

    

    Individual
      Redemption Certificate:
      Not
      applicable.

    

    Initial
      Deposit:
      As
      defined in Section 2.01(h).

    

    
      
        
        

      

      
        28

        
          

        

      

      
        
        

      

    

    Initial
      LIBOR Rate:
      4.80000%.

    

    Initial
      Optional Termination Date:
      As
      defined in Section 7.01(b).

    

    Initial
      Senior Balance:
      With
      respect to Collateral Group 3A, $262,462,000; with respect to Collateral Group
      3B, $32,021,000.

    

    Insurance
      Policy:
      Any
      Primary Mortgage Insurance Policy and any standard hazard insurance policy,
      flood insurance policy, earthquake insurance policy or title insurance policy
      relating to the Mortgage Loans or the Mortgaged Properties, to be in effect
      as
      of the Closing Date or thereafter during the term of this
      Agreement.

    

    Insurance
      Proceeds:
      Amounts
      paid by the insurer under any Insurance Policy, other than amounts (i) to cover
      expenses incurred by or on behalf of a Servicer in connection with procuring
      such proceeds, (ii) to be applied to restoration or repair of the related
      Mortgaged Property, (iii) required to be paid over to the Mortgagor pursuant
      to
      law or the related Mortgage Note or (iv) to be applied toward payment of any
      Retained Interest.

    

    Interest
      Distribution Amount:
      Not
      applicable.

    

    Interest
      Shortfall:
      With
      respect to any Class of Certificates (including any interest-bearing Component
      thereof but excluding the Principal-Only Certificates) and any Distribution
      Date, any Accrued Certificate Interest not distributed (or added to principal)
      with respect to any previous Distribution Date, other than due to any Net
      Prepayment Interest Shortfalls.

    

    Intervening
      Assignments:
      The
      original intervening assignments of the Mortgage, notice of transfer or
      equivalent instrument.

    

    Latest
      Possible Maturity Date:
      With
      respect to the Collateral Groups, the Distribution Date in January
      2041.

    

    LBB:
      Lehman
      Brothers Bank, FSB.

    

    LBH:
      Lehman
      Brothers Holdings Inc., or any successor in interest.

    

    LIBOR:
      (a)
      With respect to the first Accrual Period, the Initial LIBOR Rate. With respect
      to each subsequent Accrual Period, a per annum rate determined on the LIBOR
      Determination Date in the following manner by the Securities Administrator
      on
      the basis of the “Interest Settlement Rate” set by the British Bankers’
Association (the “BBA”) for one-month United States dollar deposits, (1) as such
      rates appear on the Reuters Screen “LIBOR01,” as of 11:00 a.m. (London time) on
      such LIBOR Determination Date or (2) if such rate does not appear on the Reuters
      Screen “LIBOR01” as of 11:00 a.m. (London time), the Securities Administrator
      will obtain such rate from the Bloomberg L.P. page “US0001M.”

    

    (b) If
      any
      such rate is not published for such LIBOR Determination Date, LIBOR for such
      date will be the most recently published Interest Settlement Rate as it appears
      on Reuters Screen “LIBOR01.” In the event that the BBA no longer sets an
      Interest Settlement Rate, the Securities Administrator will designate an
      alternative index that has performed, or that the Securities Administrator
      expects to perform, in a manner substantially similar to the BBA’s Interest
      Settlement Rate. The Securities Administrator will select a particular index
      as
      the alternative index only if it receives an Opinion of Counsel, which opinion
      shall be an expense reimbursed from the Certificate Account pursuant to Section
      4.04, that the selection of such index will not cause any of the REMICs to
      lose
      their classification as REMICs for federal income tax purposes.

    

    
      
        
        

      

      
        29

        
          

        

      

      
        
        

      

    

    The
      establishment of LIBOR by the Securities Administrator and the Securities
      Administrator’s subsequent calculation of the Certificate Interest Rate
      applicable to the LIBOR Certificates for the relevant Accrual Period, in the
      absence of manifest error, will be final and binding.

    

    LIBOR
      Business Day:
      Any day
      on which banks in London, England and The City of New York are open and
      conducting transactions in foreign currency and exchange.

    

    LIBOR
      Certificate:
      Any
      Certificate whose Certificate Interest Rate adjusts on the basis of
      LIBOR.

    

    LIBOR
      Component:
      None.

    

    LIBOR
      Determination Date:
      For any
      LIBOR Certificate, the second LIBOR Business Day immediately preceding the
      commencement of each Accrual Period other than the first Accrual
      Period.

    

    Liquidated
      Mortgage Loan:
      Any
      Charged-off Loan or defaulted Mortgage Loan as to which the Mortgage Loan or
      related REO Property has been disposed of and as to which the Master Servicer
      or
      the applicable Servicer has determined that all amounts that it expects to
      recover on behalf of the Trust Fund from or on account of such Mortgage Loan
      have been recovered.

    

    Liquidation
      Expenses:
      Expenses that are incurred by the Master Servicer or a Servicer in connection
      with the liquidation of any defaulted Mortgage Loan and are not recoverable
      under the applicable Primary Mortgage Insurance Policy, including, without
      limitation, foreclosure and rehabilitation expenses, legal expenses and
      unreimbursed amounts expended pursuant to Sections 9.06, 9.16 or
      9.22.

    

    Liquidation
      Proceeds:
      Cash
      received in connection with the liquidation of a defaulted Mortgage Loan,
      whether through the sale or assignment of such Mortgage Loan, trustee’s sale,
      foreclosure sale or otherwise, or the sale of the related Mortgaged Property
      if
      the Mortgaged Property is acquired in satisfaction of the Mortgage Loan,
      including any amounts remaining in the related Escrow Account, together with
      an
      net proceeds received on a monthly basis with respect to any properties acquired
      on behalf of the Holders by foreclosure or deed in lieu of
      foreclosure.

    

    Living
      Holder:
      Not
      applicable.

    

    
      
        
        

      

      
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    Loan-to-Value
      Ratio:
      With
      respect to any Mortgage Loan and any date of determination, the ratio, expressed
      as a percentage, of (a) of the principal balance of such Mortgage Loan on such
      date, over (b) the Original Value thereof.

    

    London
      Business Day:
      Any day
      on which banks are open for dealing in foreign currency and exchange in London,
      England and New York City.

    

    Lower
      Tier Interest:
      Any one
      of the interests in a Lower Tier REMIC, as described in the Preliminary
      Statement.

    

    Lower
      Tier REMIC:
      REMIC
      I, REMIC II or REMIC III, as described in the Preliminary
      Statement.

    

    Lower
      Tier REMIC I Uncertificated Regular Interests:
      Lower
      Tier Interests of REMIC I constituting regular interests held in uncertificated
      form. 

    

    LTURI
      holder:
      The
      holder of Lower Tier REMIC I Uncertificated Regular Interests, which, upon
      the
      occurrence of a Section 7.01(c) Purchase Event, shall be the Master Servicer
      or
      its designee, and including any trustee in its capacity as trustee of any
      privately placed securitization.

    

    Maintenance:
      With
      respect to any Cooperative Unit, the rent or fee paid by the Mortgagor to the
      Cooperative Corporation pursuant to the Proprietary Lease.

    

    Master
      Servicer:
      Aurora
      Loan Services LLC, or any successor in interest, or if any successor master
      servicer shall be appointed as herein provided, then such successor master
      servicer.

    

    Master
      Servicing Fee:
      As to
      any Distribution Date, an amount equal to one-twelfth the product of (a) the
      Master Servicing Fee Rate and (b) the outstanding principal balance of each
      Mortgage Loan.

    

    Master
      Servicing Fee Rate:
      0.00%
      per annum.

    

    Master
      Servicer Remittance Date:
      With
      respect to each Distribution Date, one Business Day immediately preceding such
      Distribution Date.

    

    Material
      Defect:
      As
      defined in Section 2.02(c) hereof.

    

    MERS:
      Mortgage Electronic Registration Systems, Inc., a Delaware Corporation, or
      any
      successor in interest thereto.

    

    MERS
      Mortgage Loan:
      Any
      Mortgage Loan as to which the related Mortgage, or an Assignment of Mortgage,
      has been or will be recorded in the name of MERS, as agent for the holder from
      time to time of the Mortgage Note.

    

    Mortgage:
      A
      mortgage, deed of trust or other instrument encumbering a fee simple interest
      in
      real property securing a Mortgage Note, together with improvements
      thereto.

    

    
      
        
        

      

      
        31

        
          

        

      

      
        
        

      

    

    Mortgage
      File:
      The
      mortgage documents listed in Section 2.01(b) pertaining to a particular Mortgage
      Loan required to be delivered to the Trustee or a Custodian pursuant to this
      Agreement.

    

    Mortgage
      Loan:
      A
      Mortgage and the related notes or other evidences of indebtedness secured by
      each such Mortgage or a manufactured housing contract conveyed, transferred,
      sold, assigned to or deposited with the Trustee pursuant to Section 2.01 or
      Section 2.05, including without limitation, each Mortgage Loan listed on the
      Mortgage Loan Schedule, as amended from time to time.

    

    Mortgage
      Loan Sale Agreement:
      The
      agreement dated as of November 1, 2007, for the sale of the Mortgage Loans
      by
      LBH to the Depositor.

    

    Mortgage
      Loan Schedule:
      The
      schedule attached hereto as Schedule A, which shall identify each Mortgage
      Loan,
      as such schedule may be amended from time to time to reflect the addition of
      Mortgage Loans to, or the deletion of Mortgage Loans from, the Trust Fund.
      Such
      schedule shall consist of the following information with respect to each
      Mortgage Loan: (i) the Mortgage Loan identifying number; (ii) the city, state
      and zip code of the Mortgaged Property; (iii) the original principal amount
      of
      the Mortgage Loan; (iv) the Mortgage Rate at origination; (v) the monthly
      payment of principal and interest at origination; (vi) the Mortgage Pool,
      Collateral Group or Group to which such Mortgage Loan has been assigned, (vii)
      the Servicer of such Mortgage Loan, (viii) the term and method of
      calculation of Prepayment Penalty Amounts collected in respect of the Mortgage
      Loans, (ix) whether such Mortgage Loan is an Employee Mortgage Loan,
      (x) the initial Custodian for such Mortgage Loan, (xi) the Mortgage Pool of
      the related Mortgage Loan and (xii) whether such Mortgage Loan is a Simple
      Interest Mortgage Loan. The Depositor shall be responsible for providing the
      Trustee, the applicable Custodian, the Securities Administrator and the Master
      Servicer with all amendments to the Mortgage Loan Schedule.

    

    Mortgage
      Note:
      The
      note or other evidence of the indebtedness of a Mortgagor secured by a Mortgage
      under a Mortgage Loan.

    

    Mortgage
      Pool:
      Any of
      Pool 1, Pool 2, or Pool 3.

    

    Mortgage
      Rate:
      As to
      any Mortgage Loan, the per annum rate at which interest accrues on such Mortgage
      Loan, as determined under the related Mortgage Note as reduced by any Relief
      Act
      Reductions.

    

    Mortgaged
      Property:
      Either
      of (x) the fee simple interest in real property, together with improvements
      thereto including any exterior improvements to be completed within 120 days
      of
      disbursement of the related Mortgage Loan proceeds, or (y) in the case of a
      Cooperative Loan, the related Cooperative Shares and Proprietary Lease, securing
      the indebtedness of the Mortgagor under the related Mortgage Loan.

    

    Mortgagor:
      The
      obligor on a Mortgage Note.

    

    Negative
      Amortization Certificate:
      None.

    

    
      
        
        

      

      
        32

        
          

        

      

      
        
        

      

    

    Net
      Liquidation Proceeds:
      With
      respect to any Liquidated Mortgage Loan, the related Liquidation Proceeds net
      of
      unreimbursed expenses incurred in connection with liquidation or foreclosure
      and
      unreimbursed Advances, Servicing Advances, Servicing Fees and Retained Interest,
      if any, received and retained in connection with the liquidation of such
      Mortgage Loan.

    

    Net
      Mortgage Rate:
      With
      respect to any Mortgage Loan, the Mortgage Rate thereof reduced by the sum
      of
      the applicable Servicing Fee Rate, the applicable Retained Interest Rate, if
      any, and, if applicable and specified on the Mortgage Loan Schedule, the premium
      rate on any lender-provided mortgage insurance. The Net Mortgage Rate of any
      Employee Mortgage Loan shall be calculated without regard to any increase in
      the
      Mortgage Rate thereof as a result of the related Mortgagor ceasing to be an
      employee of the Underwriter or any of its affiliates.

    

    Net
      Prepayment Interest Shortfall:
      With
      respect to each Collateral Group and any Distribution Date, the excess, if
      any,
      of any Prepayment Interest Shortfalls with respect to the Mortgage Loans for
      such date over the sum of any amounts paid by the Servicers with respect to
      such
      shortfalls and any amount that is required to be paid by the Master Servicer
      in
      respect of such shortfalls pursuant to this Agreement.

    

    Net
      Simple Interest Excess:
      With
      respect to any Distribution Date, the excess, if any, of (a) the amount of
      the
      payments received by the applicable Servicer and the Master Servicer in the
      related Collection Period allocable to interest in respect of Simple Interest
      Mortgage Loans, calculated in accordance with the Simple Interest Method, net
      of
      the related Servicing Fees, over (b) 30 days’ interest at the weighted average
      (by principal balance) of the Net Mortgage Rates of the Simple Interest Mortgage
      Loans as of the first day of the related Collection Period, as determined by
      the
      related Servicer, on the aggregate principal balance of such Simple Interest
      Mortgage Loans for such Distribution Date, carried to six decimal places,
      rounded down, and calculated on the basis of a 360-day year consisting of twelve
      30-day months. For this purpose, the amount of interest received in respect
      of
      any Simple Interest Mortgage Loans in any month shall be deemed (a) to include
      any Advances of interest made by the related Servicer, the Master Servicer
      or
      the Securities Administrator (solely in its capacity as successor master
      servicer) in such month in respect of such Simple Interest Mortgage Loans and
      (b) to be reduced by any amounts paid to the related Servicer, the Master
      Servicer or the Securities Administrator (solely in its capacity as successor
      master servicer) in such month in reimbursement of Advances previously made
      by
      the Servicer, the Master Servicer or the Securities Administrator (solely in
      its
      capacity as successor master servicer) in respect of such Simple Interest
      Mortgage Loans.

    

    Net
      Simple Interest Shortfall:
      With
      respect to any Distribution Date, the excess, if any, of (a) 30 days’ interest
      at the weighted average (by principal balance) of the Net Mortgage Rates of
      the
      Simple Interest Mortgage Loans as of the first day of the related Collection
      Period, as determined by the related Servicer, on the aggregate principal
      balance of such Simple Interest Mortgage Loans for such Distribution Date,
      carried to six decimal places, rounded down, and calculated on the basis of
      a
      360-day year consisting of twelve 30-day months, over (b) the amount of the
      payments received by the related Servicer or the Master Servicer in the related
      Collection Period allocable to interest in respect of such Simple Interest
      Mortgage Loans, calculated in accordance with the Simple Interest Method, net
      of
      the related Servicing Fees.

    

    
      
        
        

      

      
        33

        
          

        

      

      
        
        

      

    

    Non-AP
      Pool Balance:
      For any
      Collateral Group (other than Collateral Groups PO1, PO2 and PO3) and any
      Distribution Date, the sum of the related Applicable Fractions of the Scheduled
      Principal Balance of each Mortgage Loan included in such Collateral Group for
      that Distribution Date. 

    

    Non-AP
      Senior Certificate:
      Any
      Senior Certificate other than a Notional Certificate and Class AP1, Class AP2
      and Class AP3 Certificates.

    

    Non-Book-Entry
      Certificate:
      Any
      Certificate other than a Book-Entry Certificate.

    

    Non-MERS
      Mortgage Loan:
      Any
      Mortgage Loan other than a MERS Mortgage Loan.

    

    Non-permitted
      Foreign Holder:
      As
      defined in Section 3.03(f).

    

    Non-U.S.
      Person:
      Any
      person other than a “United States person” within the meaning of Section
      7701(a)(30) of the Code.

    

    Notice
      of Nonpayment:
      Not
      applicable.

    

    Notional
      Amount:
      With
      respect to any Notional Certificate and any Distribution Date, such
      Certificate’s Percentage Interest of the Class Notional Amount of such Class of
      Certificates for such Distribution Date.

    

    Notional
      Certificate:
      Any
      Class of Certificates issued with a Class Notional Amount (or Component issued
      with a Component Notional Amount), as identified in the Class
      Table.

    

    Notional
      Principal Contract Value:
      None.

    

    Offering
      Document:
      Each
      private placement memorandum relating to the Privately Offered Certificates,
      or
      the Prospectus.

    

    Offered
      Certificates:
      The
      Certificates other than the Privately Offered Certificates and the Class LT-R
      Certificates.

    

    Officer’s
      Certificate:
      A
      certificate signed by the Chairman of the Board, any Vice Chairman, the
      President, any Vice President or any Assistant Vice President of a Person,
      and
      in each case delivered to the Trustee or the Securities Administrator, as
      applicable.

    

    Opinion
      of Counsel:
      A
      written opinion of counsel, reasonably acceptable in form and substance to
      the
      Trustee, the Securities Administrator or the Depositor, as applicable, and
      who
      may be in-house or outside counsel to the Depositor, the Master Servicer,
the
      Securities
      Administrator, the Trustee or a Servicer but which must be Independent outside
      counsel with respect to any such opinion of counsel concerning the transfer
      of
      any Residual Certificate or concerning certain matters with respect to ERISA,
      or
      the taxation, or the federal income tax status, of each REMIC. For purpose
      of
      Section 2.01(c)(i), the Opinion of Counsel referred to therein may take the
      form
      of a memorandum of law or other acceptable assurance.

    

    
      
        
        

      

      
        34

        
          

        

      

      
        
        

      

    

    Original
      Credit Support Percentage:
      With
      respect to each Class of Subordinate Certificates, the sum of the Class
      Percentages of all related Classes of Certificates that rank lower in priority
      than such Class on the Closing Date.

    

    Original
      Group Subordinate Amount:
      With
      respect to any Pool, the related Group Subordinate Amount as of the Cut-off
      Date
      for the related Collateral Group or Collateral Groups as of the Cut-off
      Date.

    

    Original
      Value:
      With
      respect to any Mortgage Loan, the lesser of (a) the Appraised Value of a
      Mortgaged Property at the time the related Mortgage Loan was originated and
      (b)
      if the Mortgage Loan was made to finance the acquisition of the related
      Mortgaged Property, the purchase price paid for the Mortgaged Property by the
      Mortgagor at the time the related Mortgage Loan was originated.

    

    Originator:
      The
      entity that originated a Mortgage Loan.

    

    PAC
      Certificate:
      None.

    

    PAC
      Principal Amount:
      None.

    

    PAC
      Principal Amount Schedule:
      None.

    

    Paying
      Agent:
      Any
      paying agent appointed pursuant to Section 3.08.

    

    Percentage
      Interest:
      With
      respect to any Certificate and the related Class, such Certificate’s percentage
      interest in the undivided beneficial ownership interest in the Trust Fund
      evidenced by all Certificates of the same Class as such Certificate. With
      respect to any Certificate other than a Notional Certificate, the Percentage
      Interest evidenced thereby shall equal the initial Certificate Principal Amount
      (or Component Notional Amount) thereof divided by the initial Class Principal
      Amount (or Component Notional Amount) of all Certificates of the same Class.
      With respect to any Notional Certificate, the Percentage Interest evidenced
      thereby shall equal the initial Class Notional Amount divided by the initial
      Class Notional Amount of all Certificates of the same Class. With respect to
      the
      Class P and Class LT-R Certificates, the Percentage Interest evidenced thereby
      shall be as specified on the face thereof, or otherwise be equal to
      100%.

    

    Permitted
      Servicing Amendment:
      Any
      amendment to any Servicing Agreement pursuant to Section 11.03(a)(iii) hereunder
      in connection with any servicing transfer or transfer of any servicing
      rights.

    

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

    

    Placement
      Agent:
      Lehman
      Brothers Inc.

    

    Plan
      Asset Regulations:
      The
      Department of Labor regulations set forth in 29 C.F.R. 2510.3-101.

    

    
      
        
        

      

      
        35

        
          

        

      

      
        
        

      

    

    Plan:
      An
      employee benefit plan or other retirement arrangement which is subject to
      Section 406 of ERISA and/or Section 4975 of the Code or any entity whose
      underlying assets include such plan's or arrangement's assets by reason of
      their
      investment in the entity.

    

    Pool
      1:
      The
      aggregate of the Mortgage Loans identified on the Mortgage Loan Schedule as
      being included in Pool 1.

    

    Pool
      2:
      The
      aggregate of the Mortgage Loans identified on the Mortgage Loan Schedule as
      being included in Pool 2.

    

    Pool
      3:
      The
      aggregate of the Mortgage Loans identified on the Mortgage Loan Schedule as
      being included in Pool 3.

    

    Preference
      Amount:
      Not
      applicable.

    

    Prepayment
      Interest Excess:
      With
      respect to any Distribution Date and any Principal Prepayment, the excess,
      if
      any, of the amount of interest received on such Mortgage Loan in connection
      with
      such Principal Prepayment over one full month’s interest thereon at the
      applicable Net Mortgage Rate.

    

    Prepayment
      Interest Shortfall:
      With
      respect to any Distribution Date and any Principal Prepayment, the difference
      between (i) one full month’s interest at the applicable Mortgage Rate (after
      giving effect to any applicable Relief Act Reduction), as reduced by the
      applicable Servicing Fee Rate, the Master Servicing Fee Rate and the applicable
      Retained Interest Rate, if any, on the outstanding principal balance of such
      Mortgage Loan immediately prior to such prepayment and (ii) the amount of
      interest actually received with respect to such Mortgage Loan in connection
      with
      such Principal Prepayment.

    

    Prepayment
      Penalty Amounts:
      With
      respect to any Distribution Date, all premiums or charges paid by the obligors
      due to Principal Prepayments collected by the Servicers during the immediately
      preceding Prepayment Period.

    

    Prepayment
      Period:
      With
      respect to any Distribution Date the period specified as such in the related
      Servicing Agreement.

    

    Primary
      Mortgage Insurance Policy:
      Mortgage guaranty insurance, if any, on an individual Mortgage Loan, as
      evidenced by a policy or certificate.

    

    Principal-Only
      Certificates:
      The
      Class AP1, Class AP2, Class AP3 and Class AP4 Certificates.

    

    Principal
      Prepayment:
      Any
      Mortgagor payment of principal (other than a Balloon Payment) or other recovery
      of principal on a Mortgage Loan that is recognized as having been received
      or
      recovered in advance of its scheduled Due Date and applied to reduce the
      principal balance of the Mortgage Loan in accordance with the terms of the
      Mortgage Note or the related Servicing Agreement.

    

    
      
        
        

      

      
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    Privately
      Offered Certificates:
      The
      Class P, Class 1B4, Class 1B5, Class 1B6, Class 2B4, Class 2B5 and Class 2B6
      Certificates.

    

    Proceeding:
      Any
      suit in equity, action at law or other judicial or administrative
      proceeding.

    

    Proprietary
      Lease:
      With
      respect to any Cooperative Unit, a lease or occupancy agreement between a
      Cooperative Corporation and a holder of related Cooperative Shares.

    

    Prospectus:
      The
      prospectus supplement dated November 28, 2007, together with the accompanying
      prospectus dated November 26, 2007, relating to the Offered
      Certificates.

    

    Purchase
      Price:
      With
      respect to the repurchase of a Mortgage Loan pursuant to this Agreement, an
      amount equal to the sum of (a) 100% of the unpaid principal balance of such
      Mortgage Loan, (b) accrued interest thereon at the Mortgage Rate, from the
      date
      as to which interest was last paid to (but not including) the Due Date
      immediately preceding the related Distribution Date, (c)
      any
      costs
      and damages incurred by the Trust Fund with respect to such Mortgage Loan in
      connection with any violation of any federal, state or local predatory or
      abusive lending laws or other similar laws and (d) any unreimbursed Servicing
      Advances with respect to such Mortgage Loan. The Master Servicer or the
      applicable Servicer, each Custodian (or the Trustee) (or the Securities
      Administrator, if applicable) shall be reimbursed from the Purchase Price for
      any Mortgage Loan or related REO Property for any Advances made with respect
      to
      such Mortgage Loan that are reimbursable to the Master Servicer, such Servicer
      or the Securities Administrator under this Agreement or the related Servicing
      Agreement (or to the Trustee, or the Securities Administrator, if applicable),
      as well as any unreimbursed Servicing Advances and accrued and unpaid Master
      Servicing Fees or Servicing Fees, as applicable.

    

    QIB:
      As
      defined in Section 3.03(c).

    

    Qualified
      GIC:
      A
      guaranteed investment contract or surety bond providing for the investment
      of
      funds in the Collection Account or the Certificate Account and insuring a
      minimum, fixed or floating rate of return on investments of such funds, which
      contract or surety bond shall:

    

    (a) be
      an
      obligation of an insurance company or other corporation whose long-term debt
      is
      rated by each Rating Agency in one of its two highest rating categories or,
      if
      such insurance company has no long-term debt, whose claims paying ability is
      rated by each Rating Agency in one of its two highest rating categories, and
      whose short-term debt is rated by each Rating Agency in its highest rating
      category;

    

    (b) provide
      that the Trustee or the Securities Administrator may exercise all of the rights
      under such contract or surety bond without the necessity of taking any action
      by
      any other Person;

    

    (c) provide
      that if at any time the then current credit standing of the obligor under such
      guaranteed investment contract is such that continued investment pursuant to
      such contract of funds would result in a downgrading of any rating of the
      Certificates, the Trustee or the Securities Administrator shall terminate such
      contract without penalty and be entitled to the return of all funds previously
      invested thereunder, together with accrued interest thereon at the interest
      rate
      provided under such contract to the date of delivery of such funds to the
      Trustee or the Securities Administrator;

    

    
      
        
        

      

      
        37

        
          

        

      

      
        
        

      

    

    (d) provide
      that the Trustee’s or the Securities Administrator’s interest therein shall be
      transferable to any successor trustee or successor securities
      administrator hereunder; and

    

    (e) provide
      that the funds reinvested thereunder and accrued interest thereon be returnable
      to the Collection Account or the Certificate Account, as the case may be, not
      later than the Business Day prior to any Distribution Date.

    

    Qualified
      Insurer:
      An
      insurance company duly qualified as such under the laws of the states in which
      the related Mortgaged Properties are located, duly authorized and licensed
      in
      such states to transact the applicable insurance business and to write the
      insurance provided and whose claims paying ability is rated by each Rating
      Agency in its highest rating category or whose selection as an insurer will
      not
      adversely affect the rating of the Certificates.

    

    Qualifying
      Substitute Mortgage Loan:
      In the
      case of a Mortgage Loan substituted for a Deleted Mortgage Loan, a Mortgage
      Loan
      that, on the date of substitution, (i) has a Scheduled Principal Balance
      (together with that of any other mortgage loan substituted for the same Deleted
      Mortgage Loan) as of the Due Date in the month in which such substitution occurs
      not in excess of the Scheduled Principal Balance of the related Deleted Mortgage
      Loan; provided,
      however,
      that,
      to the extent that the Scheduled Principal Balance of such Mortgage Loan is
      less
      than the Scheduled Principal Balance of the related Deleted Mortgage Loan,
      then
      a Substitution Amount shall be paid by the party effecting such substitution
      to
      the Securities Administrator for deposit into the Certificate Account, and
      shall
      be treated as a Principal Prepayment hereunder; (ii) has a Net Mortgage Rate
      not
      lower than the Net Mortgage Rate of the related Deleted Mortgage Loan and a
      Net
      Mortgage Rate within the Net Mortgage Rate parameters of the related Subgroup;
      (iii) has a remaining stated term to maturity not more than eighteen months
      longer than, and not more than eighteen months shorter than, the remaining
      term
      to stated maturity of the related Deleted Mortgage Loan; provided,
      however,
      in no
      case shall such substitute Mortgage Loan have a remaining stated term to
      maturity later than the Final Scheduled Distribution Date; (iv) (A) has a
      Loan-to-Value Ratio as of the date of such substitution of not greater than
      80%;
provided,
      however,
      that if
      the related Deleted Mortgage Loan has a Loan-to-Value Ratio of greater than
      80%
      as of the date of substitution, then the Loan-to-Value Ratio of such substitute
      Mortgage Loan may be greater than 80% but shall not be greater than the
      Loan-to-Value Ratio of the related Deleted Mortgage Loan and (B) the addition
      of
      such substitute Mortgage Loan does not increase the weighted average
      Loan-to-Value Ratio, as of the date of substitution of the Mortgage Pool by
      more
      than 5%; (v) will comply with all of the representations and warranties relating
      to Mortgage Loans set forth herein, as of the date as of which such substitution
      occurs; (vi) is not a Cooperative Loan unless the related Deleted Mortgage
      Loan
      was a Cooperative Loan; (vii) if applicable, has the same index as and a margin
      not less than that of the related Deleted Mortgage Loan; (viii) has not been
      delinquent for a period of more than 30 days more than once in the twelve months
      immediately preceding such date of substitution; (ix) is covered by a Primary
      Mortgage Insurance Policy if the related Deleted Mortgage Loan is so covered,
      and the Loan-to-Value Ratio of such Mortgage Loan is greater than 80%; and
      (x)
      has a Credit Score not greater than 20 points lower than the Credit Score of
      the
      related Deleted Mortgage Loan; provided,
      however,
      that if
      the Deleted Mortgage Loan does not have a Credit Score, then such substitute
      Mortgage Loan shall have a Credit Score equal to or greater than 700. In the
      event that either one mortgage loan is substituted for more than one Deleted
      Mortgage Loan or more than one mortgage loan is substituted for one or more
      Deleted Mortgage Loans, then (a) the Scheduled Principal Balance referred to
      in
      clause (i) above shall be determined such that the aggregate Scheduled Principal
      Balance of all such substitute Mortgage Loans shall not exceed the aggregate
      Scheduled Principal Balance of all Deleted Mortgage Loans and (b) each of (1)
      the rate referred to in clause (ii) above, (2) the remaining term to stated
      maturity referred to in clause (iii) above, (3) the Loan-to-Value Ratio referred
      to in clause (iv) above and (4) the Credit Score referred to in clause (x)
      above
      shall be determined on a weighted average basis, provided
      that the
      final scheduled maturity date of any Qualifying Substitute Mortgage Loan shall
      not exceed the Final Scheduled Distribution Date of any Class of Certificates.
      Whenever a Qualifying Substitute Mortgage Loan is substituted for a Deleted
      Mortgage Loan pursuant to this Agreement, the party effecting such substitution
      shall certify such qualification in writing to the Trustee or a Custodian on
      its
      behalf. Notwithstanding any provision herein to the contrary, a Qualifying
      Substitute Mortgage Loan shall be deemed to have the same Applicable Fraction
      as
      that of the Deleted Mortgage Loan for which it was substituted.

    

    
      
        
        

      

      
        38

        
          

        

      

      
        
        

      

    

    Rating
      Agency:
      Each of
      Fitch and S&P.

    

    Realized
      Loss:
      (a)
      With respect to each Liquidated Mortgage Loan, an amount equal to (i) the unpaid
      principal balance of such Mortgage Loan as of the date of liquidation, plus
      (ii) interest at the applicable Net Mortgage Rate from the date as to which
      interest was last paid up to the last day of the month of such liquidation,
      minus (iii) Liquidation Proceeds received, net of amounts that are reimbursable
      to the Master Servicer or the applicable Servicer with respect to such Mortgage
      Loan (other than Advances of principal and interest) including expenses of
      liquidation, and (b) with respect to each Mortgage Loan that has become the
      subject of a Deficient Valuation, the difference between the unpaid principal
      balance of such Mortgage Loan immediately prior to such Deficient Valuation
      and
      the unpaid principal balance of such Mortgage Loan as reduced by the Deficient
      Valuation. In determining whether a Realized Loss on a Liquidated Mortgage
      Loan
      is a Realized Loss of interest or principal, Liquidation Proceeds shall be
      allocated, first, to payment of expenses related to such Liquidated Mortgage
      Loan (including payment of any Retained Interest), then to accrued unpaid
      interest and finally to reduce the principal balance of the Mortgage Loan.
      Realized Losses shall be increased by the principal portion of any Forgiven
      Amounts.

    

    Recognition
      Agreement:
      With
      respect to any Cooperative Loan, an agreement between the related Cooperative
      Corporation and the originator of such Mortgage Loan to establish the rights
      of
      such originator in the related Cooperative Property.

    

    Record
      Date:
      With
      respect to any Distribution Date and each Class of Certificates (other than
      the
      LIBOR Certificates), the close of business on the last Business Day of the
      month
      immediately preceding the month in which such Distribution Date occurs; and
      with
      respect to any Distribution Date and the LIBOR Certificates, the Business Day
      immediately preceding the related Distribution Date.

    

    Redemption
      Certificate:
      None.

    

    
      
        
        

      

      
        39

        
          

        

      

      
        
        

      

    

    Regulation
      AB:
      Subpart
      229.1100 - Asset Backed Securities (Regulation AB), 17 C.F.R.
§§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.

    

    Regulation
      S:
      Regulation S promulgated under the Securities Act or any successor provision
      thereto, in each case as the same may be amended from time to time; and all
      references to any rule, section or subsection of, or definition or term
      contained in, Regulation S means such rule, section, subsection, definition
      or
      term, as the case may be, or any successor thereto, in each case as the same
      may
      be amended from time to time.

    

    Regulation
      S Global Security:
      The
      meaning specified in Section 3.01(c).

    

    Reimbursement
      Amount:
      Not
      applicable.

    

    Related
      Senior Balance:
      For any
      Distribution Date and each of Collateral Group 3A and Collateral Group 3B,
      the
      Initial Senior Balance thereof as reduced by all amounts previously distributed
      in respect of the related Senior Principal Distribution Amount on prior
      Distribution Dates.

    

    Released
      Mortgage Loan:
      As of
      any transfer date as set forth in the related Servicing Agreement, any Mortgage
      Loan other than a Covered Mortgage Loan that was delinquent in payment for
      a
      period of time equal to the later to occur of (i) 210 days or more or (ii)
      30
      days or more after such Mortgage Loan became a Charged-off Loan, in each case
      as
      of the last calendar day of the month immediately proceeding the month in which
      such transfer date occurs, without giving effect to any grace period permitted
      by the related Mortgage Note, and for which foreclosure proceedings have not
      been initiated.

    

    Released
      Mortgage Transferee:
      The
      Master Servicer.

    

    Relevant
      Servicing Criteria:
      The
      Servicing Criteria applicable to each party, as set forth on Exhibit Q attached
      hereto. Multiple parties can have responsibility for the same Relevant Servicing
      Criteria. With respect to a Servicing Function Participant engaged by the Master
      Servicer, the Paying Agent, the Securities Administrator, each Custodian or
      a
      Servicer, the term “Relevant Servicing Criteria” may refer to a portion of the
      Relevant Servicing Criteria applicable to such parties.

    

    Relevant
      UCC:
      The
      Uniform Commercial Code as in effect in the applicable
      jurisdiction.

    

    Relief
      Act Reduction:
      With
      respect to any Mortgage Loan as to which there has been a reduction in the
      amount of interest collectible thereon as a result of application of the
      Servicemembers Civil Relief Act, as amended, or any similar state law or local
      statute, any amount by which interest collectible on such Mortgage Loan for
      the
      Due Date in the related Due Period is less than interest accrued thereon for
      the
      applicable one-month period at the Mortgage Rate without giving effect to such
      reduction.

    

    
      
        
        

      

      
        40

        
          

        

      

      
        
        

      

    

    REMIC:
      Each of
      REMIC I, REMIC II, REMIC III and REMIC IV, as described in the Preliminary
      Statement hereto.

    

    REMIC
      Provisions:
      The
      provisions of the federal income tax law relating to real estate mortgage
      investment conduits, which appear at sections 860A through 86OG of Subchapter
      M
      of Chapter 1 of the Code, and related provisions, and regulations, including
      proposed regulations and rulings, and administrative pronouncements promulgated
      thereunder, as the foregoing may be in effect from time to time.

    

    REO
      Property:
      A
      Mortgaged Property acquired by the Trust Fund through foreclosure or
      deed-in-lieu of foreclosure in connection with a defaulted Mortgage Loan or
      otherwise treated as having been acquired pursuant to the REMIC
      Provisions.

    

    Reportable
      Event:
      As
      defined in Section 6.20(f)(i).

    

    Reporting
      Servicer:
      As
      defined in Section 6.20(e)(i).

    

    Residual
      Certificate:
      Any
      Class LT-R or Class R Certificate.

    

    Responsible
      Officer:
      When
      used with respect to the Trustee or the Securities Administrator, respectively,
      any Vice President, Assistant Vice President, the Secretary, any assistant
      secretary, any Trust Officer, the Treasurer, or any assistant treasurer, working
      in its Corporate Trust Office and having direct responsibility for the
      administration of this Agreement.

    

    Restricted
      Certificate:
      Any
      Class P, Class R, Class LT-R, Class 1B4, Class 1B5, Class 1B6, Class 2B4, Class
      2B5 or Class 2B6 Certificate and any Restricted Global Security.

    

    Restricted
      Global Security:
      The
      meaning specified in Section 3.01(c).

    

    Retained
      Certificate:
      None.

    

    Retained
      Interest:
      Not
      applicable.

    

    Retained
      Interest Mortgage Loan:
      Not
      applicable.

    

    Retained
      Interest Holder:
      Not
      applicable.

    

    Retained
      Interest Rate:
      Not
      applicable.

    

    Retained
      Mortgage File:
      Not
      applicable. 

    

    Retired
      Subordinate Class:
      None.

    

    Reuters
      Screen “LIBOR 01”:
      The
      display page currently so designated on the Reuters Monitor Money Rates Service
      (or such other page as may replace that page for the purpose of displaying
      comparable rates or prices). 

    

    Rules:
      As
      defined in Section 6.20(c).

    

    
      
        
        

      

      
        41

        
          

        

      

      
        
        

      

    

    S&P:
      Standard & Poor’s Ratings Services, a division of The McGraw-Hill Companies,
      Inc., or any successor in interest.

    

    Sarbanes
      Oxley Act:
      The
      Sarbanes-Oxley Act of 2002 and the rules and regulations of the Commission
      promulgated thereunder (including any interpretations thereof by the
      Commission’s staff).

    

    Sarbanes-Oxley
      Certification:
      A
      written certification covering the activities of all Servicing Function
      Participants and signed by an officer of the Exchange Act Signing Party that
      complies with Section 302 of the Sarbanes-Oxley Act, as amended from time to
      time.

    

    Scheduled
      Certificate:
      None.

    

    Scheduled
      Component:
      None.

    

    Scheduled
      Payment:
      Each
      scheduled payment of principal and interest (or of interest only, if applicable)
      to be paid by the Mortgagor on a Mortgage Loan, as reduced (except where
      otherwise specified herein) by the amount of any related Debt Service Reduction
      (excluding all amounts of principal and interest that were due on or before
      the
      Cut-off Date whenever received) and, in the case of an REO Property, an amount
      equal to the Scheduled Payment that would have been due on the related Mortgage
      Loan if such Mortgage Loan had remained in existence. In the case of any
      bi-weekly payment Mortgage Loan, all payments due on such Mortgage Loan during
      any Due Period shall be deemed collectively to constitute the Scheduled Payment
      due on such Mortgage Loan in such Due Period.

    

    Scheduled
      Principal Amount:
      With
      respect to each Distribution Date and any Collateral Group (other than
      Collateral Groups PO1 and PO3), the amount described in clause (i) of the
      definition of Senior Principal Distribution Amount for such Collateral
      Group.

    

    Scheduled
      Principal Balance:
      With
      respect to (i) any Mortgage Loan (other than a Simple Interest Mortgage Loan)
      as
      of any Distribution Date, the principal balance of such Mortgage Loan at the
      close of business on the Cut-off Date, after giving effect to principal payments
      due on or before the Cut-off Date, whether or not received, less an amount
      equal
      to principal payments due after the Cut-off Date and on or before the Due Date
      in the related Due Period, whether or not received from the Mortgagor or
      advanced by the applicable Servicer or the Master Servicer, and all amounts
      allocable to unscheduled principal payments (including Principal Prepayments,
      Net Liquidation Proceeds, Insurance Proceeds and condemnation proceeds, in
      each
      case to the extent identified and applied prior to or during the applicable
      Prepayment Period) and (ii) any REO Property as of any Distribution Date, the
      Scheduled Principal Balance of the related Mortgage Loan on the Due Date
      immediately preceding the date of acquisition of such REO Property by or on
      behalf of the Trustee (reduced by any amount applied as a reduction of principal
      on the Mortgage Loan). With respect to a Liquidated Mortgage Loan, the Scheduled
      Principal Balance will equal zero. With respect to any Mortgage Loan as of
      the
      Cut-off Date, as specified in the Mortgage Loan Schedule. In the case of a
      Simple Interest Mortgage Loan, references herein to such Mortgage Loan’s
      Scheduled Principal Balance shall mean its actual unpaid principal balance.
      The
      actual unpaid principal balance of a Simple Interest Mortgage Loan with respect
      to any Distribution Date shall be determined by subtracting from such Mortgage
      Loan’s unpaid principal balance as of the end of the preceding Collection Period
      the amount of the borrower’s fixed monthly payment for the related Collection
      Period that is not allocated to the payment of interest applying the Simple
      Interest Method.

    

    
      
        
        

      

      
        42

        
          

        

      

      
        
        

      

    

    Section
      7.01(c) Purchase Event:
      The
      purchase of all the Lower Tier REMIC 1 Uncertificated Regular
      Interests.

    

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

    

    Securities
      Administrator:
      Wells
      Fargo Bank, N.A., not in its individual capacity but solely as Securities
      Administrator, or any successor in interest, or if any successor Securities
      Administrator shall be appointed as herein provided, then such successor
      Securities Administrator.

    

    Security
      Agreement:
      With
      respect to any Cooperative Loan, the agreement between the owner of the related
      Cooperative Shares and the originator of the related Mortgage Note that defines
      the terms of the security interest in such Cooperative Shares and the related
      Proprietary Lease.

    

    Seller:
      LBH or
      any successor in interest, as the context may require.

    

    Senior
      Certificate:
      Any
      Certificate (including any Exchangeable or Exchange Certificate) other than
      a
      Subordinate Certificate or a Class P or Class LT-R Certificate.

    

    Senior
      Percentage:
      With
      respect to each Collateral Group (other than Collateral Groups PO1, PO2 and
      PO3)
      and any Distribution Date, the percentage equivalent of a fraction, the
      numerator of which is the sum of the Class Principal Amounts of each Class
      of
      Non-AP Senior Certificates for the such Collateral Group (or in the case of
      Collateral Group 3A or 3B, the Related Senior Balance for such group on such
      date) immediately prior to such Distribution Date, to the extent that such
      Classes are outstanding on such date, and the denominator of which is the
      related Non-AP Pool Balance as of the beginning of the related Due Period.
      

    

    Senior
      Prepayment Percentage:
      With
      respect to each Collateral Group (other than Collateral Groups PO1, PO2 and
      PO3)
      and any Distribution Date occurring during the five years beginning on the
      first
      Distribution Date, 100%. With respect to each Collateral Group (other than
      Collateral Groups PO1, PO2 and PO3) and for any Distribution Date occurring
      on
      or after the fifth anniversary of the first Distribution Date, the related
      Senior Percentage plus the following percentage of the related Subordinate
      Percentage for such Distribution Date: for any Distribution Date in the first
      year thereafter, 70%; for any Distribution Date in the second year thereafter,
      60%; for any Distribution Date in the third year thereafter, 40%; for any
      Distribution Date in the fourth year thereafter, 20%; and for any subsequent
      Distribution Date, 0%; provided,
      however,
      that if on any of the foregoing Distribution Dates the Senior Percentage for
      any
Collateral
      Group in Pool 1 exceeds
      the initial Senior Percentage for that Collateral
      Group,
      the Senior Prepayment Percentage for each Collateral
      Group related
      to Pool 1 for
      that Distribution Date will once again equal 100%; provided,
      further,
      if on any Distribution Date the Senior Percentage for any Collateral
      Group in Pool 2 or Pool 3 exceeds
      the initial Senior Percentage for that Collateral
      Group,
      the Senior Prepayment Percentage for each Collateral
      Group related
      to Pool 2 and Pool 3 for
      that Distribution Date will once again equal 100%.

    

    
      
        
        

      

      
        43

        
          

        

      

      
        
        

      

    

    Notwithstanding
      the foregoing, no decrease in the Senior Prepayment Percentage for any of the
      Collateral Groups in Pool 1 below the level in effect for the most recent prior
      period specified above shall be effective if, as of that Distribution Date
      as to
      which any such decrease applies, (1) the average outstanding principal balance
      on that Distribution Date and for the preceding five Distribution Dates of
      all
      Mortgage Loans in such Collateral Groups that were delinquent 60 days or more
      (including for this purpose any Mortgage Loans in foreclosure or bankruptcy
      and
      Mortgage Loans with respect to which the related Mortgaged Property has been
      acquired by the Trust Fund and any Mortgage Loans in Pool 1 modified within
      12
      months prior to such Distribution Date) is greater than or equal to 50% of
      the
      aggregate Group Subordinate Amounts of such Collateral Groups immediately prior
      to such Distribution Date or (2) cumulative Realized Losses (together with
      the
      interest portion of any related Forgiven Amounts) with respect to the Mortgage
      Loans in such Collateral Groups exceed (a) with respect to any Distribution
      Date
      on or after the fifth anniversary but prior to the sixth anniversary of the
      first Distribution Date, 30% of the aggregate Original Group Subordinate Amounts
      relating to such Collateral Groups, (b) with respect to any Distribution Date
      on
      or after the sixth anniversary but prior to the seventh anniversary of the
      first
      Distribution Date, 35% of the aggregate Original Group Subordinate Amounts
      relating to such Collateral Groups, (c) with respect to any Distribution Date
      on
      or after the seventh anniversary but prior to the eighth anniversary of the
      first Distribution Date, 40% of the aggregate Original Group Subordinate Amounts
      relating to such Collateral Groups, (d) with respect to any Distribution Date
      on
      or after the eighth anniversary but prior to the ninth anniversary of the first
      Distribution Date, 45% of the aggregate Original Group Subordinate Amounts
      relating to such Collateral Groups and (e) with respect to any Distribution
      Date
      on or after the ninth anniversary of the first Distribution Date, 50% of the
      aggregate Original Group Subordinate Amounts relating to such Collateral
      Groups.

    

    Notwithstanding
      the foregoing, no decrease in the Senior Prepayment Percentage for any of the
      Collateral Groups in Pool 2 or Pool 3 below the level in effect for the most
      recent prior period specified above shall be effective if, as of that
      Distribution Date as to which any such decrease applies, (1) the average
      outstanding principal balance on that Distribution Date and for the preceding
      five Distribution Dates of all Mortgage Loans in such Collateral Groups that
      were delinquent 60 days or more (including for this purpose any Mortgage Loans
      in foreclosure or bankruptcy and Mortgage Loans with respect to which the
      related Mortgaged Property has been acquired by the Trust Fund and any Mortgage
      Loans in Pool 2 and Pool 3 modified within 12 months prior to such Distribution
      Date) is greater than or equal to 50% of the aggregate Group Subordinate Amounts
      of such Collateral Groups immediately prior to such Distribution Date or (2)
      cumulative Realized Losses (together with the interest portion of any related
      Forgiven Amounts) with respect to the Mortgage Loans in such Collateral Groups
      exceed (a) with respect to any Distribution Date on or after the fifth
      anniversary but prior to the sixth anniversary of the first Distribution Date,
      30% of the aggregate Original Group Subordinate Amounts relating to such
      Collateral Groups, (b) with respect to any Distribution Date on or after the
      sixth anniversary but prior to the seventh anniversary of the first Distribution
      Date, 35% of the aggregate Original Group Subordinate Amounts relating to such
      Collateral Groups, (c) with respect to any Distribution Date on or after the
      seventh anniversary but prior to the eighth anniversary of the first
      Distribution Date, 40% of the aggregate Original Group Subordinate Amounts
      relating to such Collateral Groups, (d) with respect to any Distribution Date
      on
      or after the eighth anniversary but prior to the ninth anniversary of the first
      Distribution Date, 45% of the aggregate Original Group Subordinate Amounts
      relating to such Collateral Groups and (e) with respect to any Distribution
      Date
      on or after the ninth anniversary of the first Distribution Date, 50% of the
      aggregate Original Group Subordinate Amounts relating to such Collateral Groups.
      

    

    
      
        
        

      

      
        44

        
          

        

      

      
        
        

      

    

    After
      the
      Class Principal Amount of each Class of Senior Certificates for a Collateral
      Group has been reduced to zero, the Senior Prepayment Percentage for such
      Collateral Group shall be 0%.

    

    Senior
      Principal Distribution Amount:
      For any
      Collateral Group (other than Collateral Groups PO1, PO2 and PO3) and any
      Distribution Date, the sum of the following amounts:

    

    (i) the
      product of (a) the related Senior Percentage for such date and (b) the principal
      portion (multiplied by the related Applicable Fraction) of each Scheduled
      Payment (without giving effect to any Debt Service Reduction occurring prior
      to
      the Bankruptcy Coverage Termination Date), on each Mortgage Loan in the related
      Collateral Group due during the Due Period;

    

    (ii) the
      product of (a) the related Senior Prepayment Percentage for such date and (b)
      each of the following amounts (multiplied by the related Applicable Fraction):
      (1) each Principal Prepayment on the Mortgage Loans in the related Collateral
      Group collected during the related Prepayment Period, (2) each other unscheduled
      collection, including any Subsequent Recovery, Insurance Proceeds and Net
      Liquidation Proceeds (other than with respect to any Mortgage Loan in the
      related Collateral Group that was finally liquidated during the related
      Prepayment Period) representing or allocable to recoveries of principal received
      during the related Prepayment Period, and (3) the principal portion of all
      proceeds of the purchase of any Mortgage Loan in the related Collateral Group
      (or, in the case of a permitted substitution, amounts representing a principal
      adjustment) actually received by the Securities Administrator during the related
      Prepayment Period;

    

    (iii) with
      respect to unscheduled recoveries allocable to principal of any Mortgage Loan
      in
      the related Collateral Group that was finally liquidated during the related
      Prepayment Period, the lesser of (a) the related net Liquidation Proceeds
      allocable to principal (multiplied by the related Applicable Fraction) and
      (b)
      the product of the related Senior Prepayment Percentage for such date and the
      Scheduled Principal Balance (multiplied by the related Applicable Fraction)
      of
      such related Mortgage Loan at the time of liquidation; and

    

    (iv) any
      amounts described in clauses (i) through (iii) for any previous Distribution
      Date that remain unpaid.

    

    If
      on any
      Distribution Date the Class Principal Amount of the Class or Classes of Non-AP
      Senior Certificates related to any Collateral Group have been reduced to zero,
      the Senior Principal Distribution Amount for such Class or Classes of Non-AP
      Senior Certificates for such date (following such reduction) and each subsequent
      Distribution Date shall be zero.

    

    For
      the
      first Distribution Date, the sum of the Senior Principal Distribution Amounts
      for Collateral Groups 3A and 3B shall be increased by the Initial
      Deposit.

    

    
      
        
        

      

      
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    Senior
      Principal Priorities:
      The
      priorities for distribution of principal to the Senior Certificates as set
      forth
      in Exhibit O.

    

    Servicer:
      Any
      Servicer that has entered into any of the Servicing Agreements identified on
      Exhibit E hereto, or any successors in interest. The initial Servicers shall
      be
      Aurora Loan Services LLC, Midwest Loan Services, Inc., PHH Mortgage Corporation,
      IndyMac Bank, F.S.B., Colonial Savings, F.A., National City Mortgage Co.,
      GreenPoint Mortgage Funding, Inc. and Wells Fargo Bank, N.A.

    

    Servicer
      Remittance Date:
      The day
      in each month on which each Servicer is required to remit payments to the
      account maintained by the Master Servicer, as specified in the related Servicing
      Agreement, which is the 18th day of each month (or if such 18th day is not
      a
      Business Day, for Servicers other than GreenPoint Mortgage Funding, Inc. and
      Colonial Savings, F.A., the next succeeding Business Day and for GreenPoint
      Mortgage Funding, Inc. and Colonial Savings, F.A., the immediately preceding
      Business Day).

    

    Service(s)(ing):
      In
      accordance with Regulation AB, the act of managing or collecting payments on
      the
      Mortgage Loans or any other assets of the Trust Fund by an entity that meets
      the
      definition of “servicer” set forth in Item 1101 of Regulation AB. For
      clarification purposes, any uncapitalized occurrence of this term shall have
      the
      meaning commonly understood by participants in the residential mortgage-backed
      securitization market.

    

    Servicing
      Advances:
      Expenditures incurred by a Servicer in connection with the liquidation or
      foreclosure of a Mortgage Loan which are eligible for reimbursement under the
      related Servicing Agreement.

    

    Servicing
      Agreement:
      Each
      servicing agreement or reconstituted servicing agreement between each Servicer
      and the Seller and acknowledged by the Trustee dated as of November 1, 2007,
      identified on Exhibit E hereto, and any other servicing agreement entered into
      between a successor servicer and the Seller pursuant to the terms
      thereof.

    

    Servicing
      Criteria:
      The
      criteria set forth in paragraph (d) of Item 1122 of Regulation AB, as such
      may
      be amended from time to time.

    

    Servicing
      Fee:
      As to
      any Distribution Date and each Mortgage Loan, an amount equal to the product
      of
      (a) one-twelfth of the Servicing Fee Rate and (b) the outstanding principal
      balance of such Mortgage Loan as of the first day of the month preceding the
      month of such Distribution Date.

    

    Servicing
      Fee Rate:
      With
      respect to each Mortgage Loan, the rate specified in the applicable Servicing
      Agreement.

    

    Servicing
      Function Participant:
      Any
      Subservicer, Subcontractor or any other Person, other than a Servicer, each
      Custodian, the Master Servicer, the Paying Agent and the Securities
      Administrator, that is participating in the servicing function within the
      meaning of Regulation AB, unless such Person’s activities relate only to 5% or
      less of the Mortgage Loans.

    

    
      
        
        

      

      
        46

        
          

        

      

      
        
        

      

    

    Servicing
      Officer:
      Any
      officer of the Master Servicer involved in or responsible for the administration
      and servicing or master servicing of the Mortgage Loans whose name appears
      on a
      list of servicing officers furnished by the Master Servicer to the Trustee,
      the
      Securities Administrator and the Custodian, as such list may from time to time
      be amended.

    

    Shift
      Percentage:
      With
      respect to each Distribution Date occurring during the five years beginning
      on
      the first Distribution Date, 0%. With respect to each Distribution Date
      occurring on or after the fifth anniversary of the first Distribution Date,
      the
      following percentage for such Distribution Date; for any Distribution Date
      in
      the first year thereafter, 30%; for any Distribution Date in the second year
      thereafter, 40%; for any Distribution Date in the third year thereafter, 60%;
      for any Distribution Date in the fourth year thereafter, 80%; and for any
      subsequent Distribution Date, 100%.

    

    Simple
      Interest Method:
      With
      respect to a Simple Interest Mortgage Loan, the method of allocating a payment
      to principal and interest, pursuant to which the portion of such payment that
      is
      allocated to interest is equal to the product of the applicable rate of interest
      multiplied by the unpaid principal balance multiplied by the period of time
      elapsed since the preceding payment of interest was made and divided by either
      360 or 365, as specified in the related Mortgage Note and the remainder of
      such
      payment is allocated to principal.

    

    Simple
      Interest Mortgage Loan:
      Any
      Mortgage Loan specified as a “DSI Loan” in the Mortgage Loan Schedule attached
      hereto as Schedule A.

    

    Special
      Hazard Loss:
      With
      respect to the Mortgage Loans, (x) any Realized Loss arising out of any direct
      physical loss or damage to a Mortgaged Property which is caused by or results
      from any cause, exclusive of any loss covered by a hazard policy or a flood
      insurance policy required to be maintained in respect of such Mortgaged Property
      and any loss caused by or resulting from (i) normal wear and tear, (ii)
      conversion or other dishonest act on the part of the Trustee, the Master
      Servicer, the Securities Administrator, any Servicer or any of their agents
      or
      employees, or (iii) errors in design, faulty workmanship or faulty materials,
      unless the collapse of the property or a part thereof ensues, or (y) any
      Realized Loss arising from or related to the presence or suspected presence
      of
      hazardous wastes, or hazardous substances on a Mortgaged Property unless such
      loss is covered by a hazard policy or flood insurance policy required to be
      maintained in respect of such Mortgaged Property, in any case, as reported
      by
      any Servicer to the Master Servicer.

    

    Special
      Hazard Loss Limit:
      As of
      the Cut-off Date with respect to the Mortgage Loans in Pools 1, initially,
      $3,958,378.84, which amount shall be reduced from time to time to an amount
      equal on any Distribution Date to the lesser of (a) the greatest of (i) 1.57%
      of
      the aggregate of the Scheduled Principal Balances of the related Mortgage Loans;
      (ii) twice the Scheduled Principal Balance of the related Mortgage Loan having
      the highest Scheduled Principal Balance, and (iii) the aggregate Scheduled
      Principal Balances of the related Mortgage Loans secured by Mortgaged Properties
      located in the single California postal zip code area having the highest
      aggregate Scheduled Principal Balance of Mortgage Loans of any such postal
      zip
      code area and (b) the related Special Hazard Loss Limit as of the Closing Date
      less the amount, if any, of Special Hazard Losses incurred with respect to
      the
      Mortgage Loans since the Closing Date. As of the Cut-off Date with respect
      to
      the Mortgage Loans in Pool 2 and Pool 3 combined, initially $4,568,000.00,
      which
      amount shall be reduced from time to time to an amount equal on any Distribution
      Date to the lesser of (a) the greatest of (i) 1.17% of the aggregate of the
      Scheduled Principal Balances of the related Mortgage Loans; (ii) twice the
      Scheduled Principal Balance of the related Mortgage Loan having the highest
      Scheduled Principal Balance, and (iii) the aggregate Scheduled Principal
      Balances of the related Mortgage Loans secured by Mortgaged Properties located
      in the single California postal zip code area having the highest aggregate
      Scheduled Principal Balance of Mortgage Loans of any such postal zip code area
      and (b) the related Special Hazard Loss Limit as of the Closing Date less the
      amount, if any, of Special Hazard Losses incurred with respect to the Mortgage
      Loans since the Closing Date.

    

    
      
        
        

      

      
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    Specified
      Rating:
      Not
      applicable.

    

    Startup
      Day:
      The day
      designated as such pursuant to Section 10.01(b) hereof.

    

    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 the Mortgage Loans but performs one or
      more discrete material functions required to be performed under this Agreement,
      each Custodial Agreement, each Servicing Agreement or any subservicing
      agreement, as identified in Item 1122(d) of Regulation AB with respect to the
      Mortgage Loans under the direction or authority of the Securities
      Administrator,
      the Master Servicer, a Custodian or a Servicer.

    

    Subgroups:
      Each of
      the subgroupings of Mortgage Loans described below:

    

    “Subgroup
      1-A”:
      The
      Mortgage Loans in Pool 1 with Net Mortgage Rates of less than
      6.00%.

    

    “Subgroup
      1-B”:
      The
      Mortgage Loans in Pool 1 with Net Mortgage Rates of greater than or equal to
      6.00% and less than 6.50%.

    

    “Subgroup
      1-C”:
      The
      Mortgage Loans in Pool 1 with Net Mortgage Rates of greater than or equal to
      6.50%.

    

    “Subgroup
      2-A”:
      The
      Mortgage Loans in Pool 2 with Net Mortgage Rates of less than
      6.00%.

    

    “Subgroup
      2-B”:
      The
      Mortgage Loans in Pool 2 with Net Mortgage Rates of greater than or equal to
      6.00% and less than or equal to 15.00%.

    

    “Subgroup
      3-A”:
      The
      Mortgage Loans in Pool 3 with Net Mortgage Rates of less than
      6.00%.

    

    “Subgroup
      3-B”:
      The
      Mortgage Loans in Pool 3 with Net Mortgage Rates of greater than or equal to
      6.00%.

    

    Subordinate
      Certificates:
      Any of
      the Class 1B1, Class 1B2, Class 1B3, Class 1B4, Class 1B5, Class 1B6, Class
      2B1,
      Class 2B2, Class 2B3, Class 2B4, Class 2B5 and Class 2B6
      Certificates.

    

    
      
        
        

      

      
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    Subordinate
      Certificate Group:
      Either
      the Group 1 Subordinate Certificates or the Group 2 Subordinate Certificates,
      as
      applicable.

    

    Subordinate
      Certificate Writedown Amount:
      As to
      any Distribution Date and the Group 1 Subordinate Certificates or Group 2
      Subordinate Certificates, as applicable, the amount by which (i) the sum of
      the
      Class Principal Amounts (or, with respect to Collateral Groups 3A or 3B, the
      Related Senior Balance) of the related Senior Certificates (after giving effect
      to the distribution of principal and the application of Realized Losses in
      reduction of the Certificate Principal Amounts of such Certificates on such
      Distribution Date) exceeds (ii) the aggregate Scheduled Principal Balance of
      the
      Mortgage Loans in the related Collateral Group or Groups such Distribution
      Date.

    

    Subordinate
      Class Percentage:
      With
      respect to any Distribution Date and any Class of Group 1 Subordinate
      Certificates, the percentage obtained by dividing the Class Principal Amount
      of
      such Class immediately prior to such Distribution Date by the aggregate
      Certificate Principal Amount of all Group 1 Subordinate Certificates immediately
      prior to such Distribution Date. With respect to any Distribution Date and
      any
      Class of Group 2 Subordinate Certificates, the percentage obtained by dividing
      the Class Principal Amount of such Class immediately prior to such Distribution
      Date by the aggregate Certificate Principal Amount of all Group 2 Subordinate
      Certificates immediately prior to such Distribution Date. 

    

    Subordinate
      Percentage:
      With
      respect to each Collateral Group (other than Collateral Groups PO1, PO2 and
      PO3)
      and any Distribution Date, the difference between 100% and the related Senior
      Percentage for such Distribution Date.

    

    Subordinate
      Prepayment Percentage:
      With
      respect to each Collateral Group (other than Collateral Groups PO1, PO2 and
      PO3)
      and any Distribution Date, the difference between 100% and the related Senior
      Prepayment Percentage for such Distribution Date.

    

    Subordinate
      Principal Distribution Amount:
      For any
      Collateral Group (other than Collateral Groups PO1, PO2 and PO3) and any
      Distribution Date, the sum of the following:

    

    (i) the
      product of (a) the related Subordinate Percentage for such date and (b) the
      principal portion (multiplied by the related Applicable Fraction) of each
      Scheduled Payment (without giving effect to any Debt Service Reduction occurring
      prior to the applicable Bankruptcy Coverage Termination Date) on each Mortgage
      Loan in the related Collateral Group due during the related Due
      Period;

    

    (ii) the
      product of (a) the related Subordinate Prepayment Percentage for such date
      and
      (b) each of the following amounts (multiplied by the related Applicable
      Fraction): (1) each Principal Prepayment on the Mortgage Loans in the related
      Collateral Group collected during the related Prepayment Period, (2) each other
      unscheduled collection, including any Subsequent Recovery, Insurance Proceeds
      and Net Liquidation Proceeds (other than with respect to any Mortgage Loan
      in
      the related Collateral Group that was finally liquidated during the related
      Prepayment Period) representing or allocable to recoveries of principal received
      during the related Prepayment Period, and (3) the principal portion of all
      proceeds of the purchase of any Mortgage Loan in the related Collateral Group
      (or, in the case of a permitted substitution, amounts representing a principal
      adjustment) actually received by the Securities Administrator during the related
      Prepayment Period;

    

    
      
        
        

      

      
        49

        
          

        

      

      
        
        

      

    

    (iii) with
      respect to unscheduled recoveries allocable to principal of any Mortgage Loan
      in
      the related Collateral Group that was finally liquidated during the related
      Prepayment Period, the related net Liquidation Proceeds allocable to principal
      (multiplied by the related Applicable Fraction) less any related amount paid
      pursuant to subsection (iii) of the definition of Senior Principal Distribution
      Amount for the related Mortgage Pool; and

    

    (iv) any
      amounts described in clauses (i) through (iii) for any previous Distribution
      Date that remain unpaid.

    

    Subsequent
      Recovery:
      The
      amount, if any, recovered by the related Servicer or the Master Servicer with
      respect to a Liquidated Mortgage Loan with respect to which a Realized Loss
      has
      been incurred after liquidation and disposition of such Mortgage
      Loan.

    

    Subservicer:
      Any
      Person that (i) is considered to be a Servicing Function Participant, (ii)
      services Mortgage Loans on behalf of any Servicer or Additional Servicer, and
      (iii) is responsible for the performance (whether directly or through
      subservicers or Subcontractors) of Servicing functions required to be performed
      under this Agreement, any related Servicing Agreement or any subservicing
      agreement that are identified in Item 1122(d) of Regulation AB.

    

    Substitution
      Amount:
      The
      amount, if any, by which the Scheduled Principal Balance of a Deleted Mortgage
      Loan exceeds the Scheduled Principal Balance of the related Qualifying
      Substitute Mortgage Loan, or aggregate Scheduled Principal Balance, if
      applicable, plus
      unpaid
      interest thereon at the applicable Net Mortgage Rate from the date on which
      interest was first paid through the end of the Due Period in which such
      substitution occurs, and any related unpaid Advances or Servicing Advances
      or
      unpaid Servicing Fees, and the amount of any costs and damages incurred by
      the
      Trustee or the Trust Fund associated with a violation of any applicable federal,
      state or local predatory or abusive lending law in connection with the
      origination of such Deleted Mortgage Loan.

    

    Supplemental
      Interest Trust:
      None.

    

    TAC
      Certificate:
      None.

    

    TAC
      Principal Amount:
      None.

    

    TAC
      Principal Amount Schedule:
      None.

    

    Tax
      Matters Person:
      The
“tax matters person” as specified in the REMIC Provisions.

    

    Termination
      Price:
      As
      defined in Section 7.01 hereof.

    

    Title
      Insurance Policy:
      A title
      insurance policy maintained with respect to a Mortgage Loan.

    

    
      
        
        

      

      
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    Transfer
      Agreement:
      As
      defined in the Mortgage Loan Sale Agreement.

    

    Transferor:
      Each
      seller of Mortgage Loans to LBB or the Seller, pursuant to a Transfer
      Agreement.

    

    Trust
      Fund:
      The
      corpus of the Lehman Mortgage Trust 2007-10 created pursuant to this Agreement,
      consisting of the Mortgage Loans (other than any Retained Interest), the
      assignment of the Depositor’s rights under the Mortgage Loan Sale Agreement,
      such amounts as shall from time to time be held in the Collection Account,
      the
      Certificate Account, any Escrow Account, the Insurance Policies, any REO
      Property and the other items referred to in, and conveyed to the Trustee under,
      Section 2.01(a).

    

    Trust
      Fund Termination Event:
      As
      defined in Section 7.01(a).

    

    Trustee:
      U.S.
      Bank National Association, not in its individual capacity but solely as Trustee,
      or any successor in interest, or if any successor trustee or any co-trustee
      shall be appointed as herein provided, then such successor trustee and such
      co-trustee, as the case may be. 

    

    Trustee
      Fee:
      A fixed
      annual fee of $3,500, which is paid by the Securities Administrator.

    

    UCC:
      The
      Uniform Commercial Code as adopted in the State of New York.

    

    Undercollateralization
      Distribution:
      As
      defined in Section 5.02(i).

    

    Undercollateralized
      Class or Classes:
      With
      respect to any Distribution Date and any Class of Non-AP Senior Certificates
      relating to a Collateral Group as to which the total Certificate Principal
      Amount thereof, after giving effect to distributions pursuant to Sections
      5.02(a) and (b) on such date, is greater than the Non-AP Pool Balance of the
      related Collateral Group for such Distribution Date, in the case of the Senior
      Certificates (other than the Notional Certificates).

    

    Underlying
      REMIC Certificates:
      The
      following Classes of Certificates, issued hereunder in uncertificated form
      to
      the Securities Administrator as custodian for the Exchange Trustee: Class 1-A1,
      Class 1-A2, Class 2-A2, Class 2-A3, Class 2-A4, Class 2-A9, Class 2-A11, Class
      2-A12, Class 3-A3, Class 3-A4, Class 3-A5, Class 3-A6, Class 3-A10, Class 3-A12,
      Class 3-A13, Class 4-A2, Class 4-A3, Class 4-A4, Class AP2 and Class AP3
      Certificates. 

    

    Underwriter:
      Lehman
      Brothers Inc.

    

    Underwriter’s
      Exemption:
      Prohibited Transaction Exemption 2007-5, 72 Fed. Reg. 13130 (2007), as
      amended (or any successor thereto), or any substantially similar administrative
      exemption granted by the U.S. Department of Labor.

    

    Unpaid
      Basis Risk Shortfall:
      None.

    

    Unscheduled
      Principal Amount:
      With
      respect to each Distribution Date and any Collateral Group (other than
      Collateral Groups PO1, PO2 and PO3), the amount described in clauses (ii) and
      (iii) (without application of the related Senior Prepayment Percentage) of
      the
      definition of Senior Principal Distribution Amount with respect to such
      Collateral Group.

    

    
      
        
        

      

      
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    Voting
      Interests:
      The
      portion of the voting rights of all the Certificates that is allocated to any
      Certificate for purposes of the voting provisions of this Agreement. At all
      times during the term of this Agreement until the Class Notional Amount of
      each
      Class of Notional Certificates has been reduced to zero, 1% of all Voting
      Interests shall be allocated to each Class of Notional Certificates and the
      remaining Classes of Certificates (other than the Class LT-R Certificates)
      shall
      be allocated the remaining percentage of all Voting Interests. After the Class
      Notional Amount of each Class of Notional Certificate has been reduced to zero,
      100% of all Voting Interests shall be allocated to the remaining Classes of
      Certificates (other than the Class LT-R Certificates). Voting Interests
      allocated to the Notional Certificates shall be allocated among the Certificates
      of each such Class in proportion to their Notional Amounts. Voting Interests
      shall be allocated among the other Classes of Certificates (and among the
      Certificates of each such Class) in proportion to their Class Principal Amounts
      (or Certificate Principal Amounts). Voting Interests allocated to a Class of
      Exchange Certificates shall be proportionately allocated to the related Class
      or
      Classes of Exchangeable Certificates on the basis of the related exchange
      proportions. In the case of the purchase by the Master Servicer of the Lower
      Tier REMIC I Uncertificated Regular Interests pursuant to a Section 7.01(c)
      Purchase Event, the LTURI holder shall be allocated 100% of the Voting Interests
      and upon such purchase any provisions in this Agreement which require a vote
      by,
      a direction or notice given by, an action taken by, a request in writing by
      or
      the consent of, any percentage of the Holders of the Certificates or any Class
      of Certificates may be exercised by the LTURI holder. 

    

    WHFIT:
      Shall
      mean a “widely held fixed investment trust” as that term is defined in Treasury
      Regulations section 1.671-5(b)(22) or successor provisions.

    

    WHFIT
      Regulations:
      Shall
      mean Treasury Regulations section 1.671-5, as amended.

    

    WHMT:
      Shall
      mean a “widely held mortgage trust” as that term is defined in Treasury
      Regulations section 1.671-5(b)(23) or successor provisions. 

    

    Section
      1.02. Calculations
      Respecting Mortgage Loans.

    

    Calculations
      required to be made pursuant to this Agreement with respect to any Mortgage
      Loan
      in the Trust Fund shall be made based upon current information as to the terms
      of the Mortgage Loans and reports of payments received from the Mortgagor on
      such Mortgage Loans and payments to be made to the Securities Administrator
      as
      supplied to the Securities Administrator by the Master Servicer or any Cap
      Counterparty. The Securities Administrator shall not be required to recompute,
      verify or recalculate the information supplied to it by the Master Servicer
      or
      any Cap Counterparty.

    

    
      
        
        

      

      
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    ARTICLE
      II

    

    DECLARATION
      OF TRUST;

    ISSUANCE
      OF CERTIFICATES

    

    Section
      2.01. Creation
      and Declaration of Trust Fund; Conveyance of Mortgage Loans.

    

    (a) Concurrently
      with the execution and delivery of this Agreement, the Depositor does hereby
      transfer, assign, set over, deposit with and otherwise convey to the Trustee,
      without recourse, subject to Sections 2.02, 2.04, 2.05 and 2.06, in trust,
      all
      the right, title and interest of the Depositor in and to the Mortgage Loans.
      Such conveyance includes, without limitation, the right to all distributions
      of
      principal and interest received on or with respect to the Mortgage Loans on
      and
      after the Cut-off Date (other than payments of principal and interest due on
      or
      before such date) and all such payments due after such date but received prior
      to such date and intended by the related Mortgagors to be applied after such
      date, together with all of the Depositor’s right, title and interest in and to
      the Collection Account and all amounts from time to time credited to and the
      proceeds of the Collection Account, the Certificate Account and all amounts
      from
      time to time credited to and the proceeds of the Certificate Account, any Basis
      Risk Reserve Fund, any Escrow Account established pursuant to Section 9.06
      hereof and all amounts from time to time credited to and the proceeds of any
      such Escrow Account, any REO Property and the proceeds thereof, the Depositor’s
      rights under any Insurance Policies related to the Mortgage Loans, and the
      Depositor’s security interest in any collateral pledged to secure the Mortgage
      Loans, including the Mortgaged Properties and any Additional Collateral, and
      any
      proceeds of the foregoing, to have and to hold, in trust; and the Trustee
      declares that, subject to the review provided for in Section 2.02, it (or a
      Custodian on its behalf) has received and shall hold the Trust Fund, as trustee,
      in trust, for the benefit and use of the Holders of the Certificates and for
      the
      purposes and subject to the terms and conditions set forth in this Agreement,
      and, concurrently with such receipt, has caused to be executed, authenticated
      and delivered to or upon the order of the Depositor, in exchange for the Trust
      Fund, Certificates in the authorized denominations evidencing the entire
      ownership of the Trust Fund. 

    

    Concurrently
      with the execution and delivery of this Agreement and any Cap Agreement, the
      Depositor does hereby assign to the Trustee all of its rights and interest
      under
      the Mortgage Loan Sale Agreement including all rights of the Seller under the
      Servicing Agreements and Transfer Agreements (other than first payment date
      default or early payment date default rights against the related Transferor)
      to
      the extent assigned under such Mortgage Loan Sale Agreement or any Assignment
      Agreement (as applicable). The Trustee (solely in its capacity as trustee
      hereunder)  hereby accepts such assignment, and shall be entitled to
      exercise all rights of the Depositor under the Mortgage Loan Sale Agreement
      as
      if, for such purpose, it were the Depositor. The foregoing sale, transfer,
      assignment, set-over, deposit and conveyance does not and is not intended to
      result in creation or assumption by the Trustee of any obligation of the
      Depositor, the Seller, or any other Person in connection with the Mortgage
      Loans
      or any other agreement or instrument relating thereto except as specifically
      set
      forth herein. The Depositor hereby authorizes and directs the Trustee, solely
      in
      its capacity as trustee of any Supplemental Interest Trust created hereunder,
      to
      execute and deliver any Cap Agreement. The Seller, the Master
      Servicer,
      the Securities
      Administrator, the Depositor and the Certificateholders acknowledge and agree
      that the Trustee is executing any Cap Agreement solely in its capacity as
      trustee of the Supplemental Interest Trust, and not in its individual capacity.
      The Trustee shall have no duty or responsibility to enter into any other
      interest rate cap agreement upon the expiration or termination of any such
      Cap
      Agreement.

    

    
      
        
        

      

      
        53

        
          

        

      

      
        
        

      

    

    In
      addition, concurrently with the execution and delivery of this Agreement, the
      Depositor does hereby transfer, assign, set over, and otherwise convey to the
      Trustee, without recourse, in trust, all right, title and interest of the
      Depositor in and to the Depositor’s right to receive any Prepayment Penalty
      Amounts in respect of the Mortgage Loans. With respect to clause (ii), such
      conveyance includes all such amounts received on or after the Cut-off Date.
      

    

    It
      is
      agreed and understood by the Depositor and the Trustee (and the Depositor has
      so
      represented and recognized in the Mortgage Loan Sale Agreement) that it is
      not
      intended that any Mortgage Loan to be included in the Trust Fund be a (i)
“High-Cost Home Loan” as defined in the New Jersey Home Ownership Act effective
      November 27, 2003; (ii) “High-Cost Home Loan” as defined in the New Mexico Home
      Loan Protection Act effective January 1, 2004; (iii) “High-Cost Home Mortgage
      Loans” as defined in the Massachusetts Predatory Home Loan Practices Act
      effective November 7, 2004 and (iv) “High Cost Home Loans” as defined in the
      Indiana Home Loan Practices Act effective January 1, 2005. 

    

    (b) In
      connection with such transfer and assignment, the Depositor does hereby deliver
      and deposit with, or cause to be delivered to and deposited with, the Trustee,
      and/or any Custodian acting on the Trustee’s behalf, if applicable, the
      following documents or instruments with respect to each Mortgage Loan (each
      a
“Mortgage File”) so transferred and assigned:

    

    (i) with
      respect to each Mortgage Loan, the original Mortgage Note endorsed without
      recourse in proper form to the order of the Trustee, as shown in Exhibit B-4,
      or
      in blank (in each case, with all necessary intervening endorsements as
      applicable);

    

    (ii) the
      original of any guarantee, security agreement or pledge agreement executed
      in
      connection with the Mortgage Note, assigned to the Trustee;

    

    (iii) with
      respect to each Mortgage Loan other than a Cooperative Loan, the original
      recorded Mortgage with evidence of recording indicated thereon and the original
      recorded power of attorney, if the Mortgage was executed pursuant to a power
      of
      attorney, with evidence of recording thereon or, if such Mortgage or power
      of
      attorney has been submitted for recording but has not been returned from the
      applicable public recording office, has been lost or is not otherwise available,
      a copy of such Mortgage or power of attorney, as the case may be, certified
      to
      be true and complete copy of the original submitted for recording. If, in
      connection with any Mortgage Loan, the Depositor cannot deliver the Mortgage
      with evidence of recording thereon on or prior to the Closing Date because
      of a
      delay caused by the public recording office where such Mortgage has been
      delivered for recordation or because such Mortgage has been lost, the Depositor
      shall deliver or cause to be delivered to the Trustee (or the applicable
      Custodian), in the case of a delay due to recording, a true copy of such
      Mortgage, pending delivery of the original thereof, together with an Officer’s
      Certificate of the Depositor certifying that the copy of such Mortgage delivered
      to the Trustee (or the applicable Custodian) is a true copy and that the
      original of such Mortgage has been forwarded to the public recording office,
      or,
      in the case of a Mortgage that has been lost, a copy thereof (certified as
      provided for under the laws of the appropriate jurisdiction) and a written
      Opinion of Counsel acceptable to the Trustee and the Depositor that an original
      recorded Mortgage is not required to enforce the Trustee’s interest in the
      Mortgage Loan;

    

    
      
        
        

      

      
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    (iv) the
      original of each assumption, modification or substitution agreement, if any,
      relating to the Mortgage Loans, or, as to any assumption, modification or
      substitution agreement which cannot be delivered on or prior to the Closing
      Date
      because of a delay caused by the public recording office where such assumption,
      modification or substitution agreement has been delivered for recordation,
      a
      photocopy of such assumption, modification or substitution agreement, pending
      delivery of the original thereof, together with an Officer’s Certificate of the
      Depositor certifying that the copy of such assumption, modification or
      substitution agreement delivered to the Trustee (or the applicable Custodian)
      is
      a true copy and that the original of such agreement has been forwarded to the
      public recording office;

    

    (v) with
      respect to each Non-MERS Mortgage Loan other than a Cooperative Loan, an
      original Assignment of Mortgage, in form and substance acceptable for recording.
      The Mortgage shall be assigned either (A) in blank, without recourse or (B)
      to
“U.S. Bank National Association, as Trustee of the Lehman Mortgage Trust
      2007-10,” without recourse;

    

    (vi) if
      applicable, such original intervening assignments of the Mortgage, notice of
      transfer or equivalent instrument (each, an “Intervening Assignment”), as may be
      necessary to show a complete chain of assignment from the originator, or, in
      the
      case of an Intervening Assignment that has been lost, a written Opinion of
      Counsel acceptable to the Trustee that such original Intervening Assignment
      is
      not required to enforce the Trustee’s interest in the Mortgage
      Loans;

    

    (vii) the
      original Primary Mortgage Insurance Policy or certificate, if private mortgage
      guaranty insurance is required;

    

    (viii) with
      respect to each Mortgage Loan other than a Cooperative Loan, the original
      mortgagee title insurance policy or attorney’s opinion of title and abstract of
      title;

    

    (ix) the
      original of any security agreement, chattel mortgage or equivalent executed
      in
      connection with the Mortgage or as to any security agreement, chattel mortgage
      or their equivalent that cannot be delivered on or prior to the Closing Date
      because of a delay caused by the public recording office where such document
      has
      been delivered for recordation, a photocopy of such document, pending delivery
      of the original thereof, together with an Officer’s Certificate of the Depositor
      certifying that the copy of such security agreement, chattel mortgage or their
      equivalent delivered to the Trustee (or the applicable Custodian) is a true
      copy
      and that the original of such document has been forwarded to the public
      recording office;

    

    
      
        
        

      

      
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    (x) with
      respect to any Cooperative Loan, the Cooperative Loan Documents; 

    

    (xi) in
      connection with any pledge of Additional Collateral, the original additional
      collateral pledge and security agreement executed in connection therewith,
      assigned to the Trustee; and

    

    (xii) with
      respect to any manufactured housing contract, any related manufactured housing
      sales contract, installment loan agreement or participation
      interest.

    

    The
      parties hereto acknowledge and agree that the form of endorsement attached
      hereto as Exhibit B-4 is intended to effect the transfer to the Trustee, for
      the
      benefit of the Certificateholders, of the Mortgage Notes and the
      Mortgages.

    

    (c) (i) Assignments
      of Mortgage with respect to each Non-MERS Mortgage Loan other than a Cooperative
      Loan shall be recorded; provided,
      however,
      that
      such Assignments of Mortgage need not be recorded if, on or prior to the
      Closing Date, the Depositor delivers, at its own expense, an Opinion of
      Counsel addressed to the Trustee (which must be from Independent counsel) (which
      Opinion of Counsel may be in the form of a memorandum of law) acceptable to
      the
      Trustee and the Rating Agencies, recording in such states is not required to
      protect the Trustee’s interest in the related Non-MERS Mortgage Loans. Subject
      to the preceding sentence, as soon as practicable after the Closing Date (but
      in
      no event more than 3 months thereafter except to the extent delays are caused
      by
      the applicable recording office), the Master Servicer, at the expense of the
      Depositor and with the cooperation of the applicable Servicer, shall cause
      to be
      properly recorded by such Servicer in each public recording office where the
      related Mortgages are recorded each Assignment of Mortgage referred to in
      subsection (b)(v) above with respect to each Non-MERS Mortgage Loan. With
      respect to each Cooperative Loan, the Master Servicer, at the expense of the
      Depositor and with the cooperation of the applicable Servicer, shall cause
      such
      Servicer to take such actions as are necessary under applicable law in order
      to
      perfect the interest of the Trustee in the related Mortgaged
      Property.

    

    (ii) With
      respect to each MERS Mortgage Loan, the Master Servicer shall direct the
      applicable Servicer, at the expense of the Depositor, to take such actions
      as
      are necessary to cause the Trustee or
      its
      nominee to be clearly identified as the owner of each such Mortgage Loan
      on the records of MERS for purposes of the system of recording transfers of
      beneficial ownership of mortgages maintained by MERS.

    

    (d) In
      instances where a Title Insurance Policy is required to be delivered to the
      Trustee, or to the applicable Custodian on behalf of the Trustee, under clause
      (b)(viii) above and is not so delivered, the Depositor will provide a copy
      of
      such Title Insurance Policy to the Trustee, or to the applicable Custodian
      on
      behalf of the Trustee, as promptly as practicable after the execution and
      delivery hereof, but in any case within 180 days of the Closing
      Date.

    

    
      
        
        

      

      
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    (e) For
      Mortgage Loans (if any) that have been prepaid in full after the Cut-off Date
      and prior to the Closing Date, the Depositor, in lieu of delivering the above
      documents, herewith delivers to the Trustee, or to the applicable Custodian
      on
      behalf of the Trustee, an Officer’s Certificate which shall include a statement
      to the effect that all amounts received in connection with such prepayment
      that
      are required to be deposited in the Collection Account pursuant to Section
      4.01
      have been so deposited. All original documents that are not delivered to the
      Trustee or the applicable Custodian on behalf of the Trustee shall be held
      by a
      Servicer in trust for the benefit of the Trustee and the
      Certificateholders.

    

    (f) The
      Depositor shall have the right to receive any and all loan-level information
      regarding the characteristics and performance of the Mortgage Loans upon
      request, and to publish, disseminate or otherwise utilize such information
      in
      its discretion, subject to applicable laws and regulations.

    

    (g) The
      issuing entity is hereby named Lehman Mortgage Trust, Series
      2007-10.

    

    (h) The
      Securities Administrator hereby acknowledges receipt of $189,358.66 plus
      interest accrued thereon of $1,260.67 (the “Initial Deposit”) for deposit into
      the Certificate Account.

    

    Section
      2.02. Acceptance
      of Trust Fund by Trustee: Review of Documentation for Trust
      Fund.

    

    (a) The
      Trustee, by execution and delivery hereof, acknowledges receipt by it or a
      Custodian on behalf of the Trustee, of the Mortgage Files pertaining to the
      Mortgage Loans listed on the Mortgage Loan Schedule, subject to review thereof
      by the Trustee, or by the applicable Custodian on behalf of the Trustee, under
      this Section 2.02. The Trustee, or the applicable Custodian on behalf of the
      Trustee, will execute and deliver to the Trustee, the Depositor, the Servicers
      and the Master Servicer on the Closing Date an Initial Certification in the
      form
      annexed hereto as Exhibit B-1 (or in the form annexed to the applicable
      Custodial Agreement as Exhibit B-1, as applicable.

    

    (b) Within
      45
      days after the Closing Date, the Trustee or the applicable Custodian will,
      on
      behalf of the Trustee and for the benefit of Holders of the Certificates, review
      each Mortgage File to ascertain that all required documents set forth in Section
      2.01 have been received and appear on their face to contain the requisite
      signatures by or on behalf of the respective parties thereto, and shall deliver
      to the Trustee, the Depositor, the Servicers and the Master Servicer an Interim
      Certification in the form annexed hereto as Exhibit B-2 (or in the form annexed
      to the applicable Custodial Agreement as Exhibit B-2, as applicable to the
      effect that, as to each Mortgage Loan listed in the Mortgage Loan Schedule
      (other than any Mortgage Loan prepaid in full or any Mortgage Loan specifically
      identified in such certification as not covered by such certification), (i)
      all
      of the applicable documents specified in Section 2.01(b) are in its possession
      and (ii) such documents have been reviewed by it and appear to relate to such
      Mortgage Loan. The Trustee, or the applicable Custodian on behalf of the
      Trustee, shall determine whether such documents are executed and endorsed,
      but
      shall be under no duty or obligation to inspect, review or examine any such
      documents, instruments, certificates or other papers to determine that the
      same
      are valid, binding, legally effective, properly endorsed, genuine, enforceable
      or appropriate for the represented purpose or that they have actually been
      recorded or are in recordable form or that they are other than what they purport
      to be on their face. Neither the Trustee nor any Custodian shall have any
      responsibility for verifying the genuineness or the legal effectiveness of
      or
      authority for any signatures of or on behalf of any party or
      endorser.

    

    
      
        
        

      

      
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    (c) If
      in the
      course of the review described in paragraph (b) above the Trustee or the
      applicable Custodian discovers any document or documents constituting a part
      of
      a Mortgage File that is missing, does not appear regular on its face (i.e.,
      is
      mutilated, damaged, defaced, torn or otherwise physically altered) or appears
      to
      be unrelated to the Mortgage Loans identified in the Mortgage Loan Schedule
      (each, a “Material Defect”), the Trustee, or the applicable Custodian on behalf
      of the Trustee, shall promptly identify the Mortgage Loan to which such Material
      Defect relates in the Interim Certification delivered to the Depositor, the
      Master Servicer and the Trustee. Within 90 days of its receipt of such notice,
      the Transferor, or if the Transferor does not do so, the Depositor shall be
      required to cure such Material Defect (and, in such event, the Depositor shall
      provide the Trustee with an Officer’s Certificate confirming that such cure has
      been effected). If the applicable Transferor or the Depositor, as applicable,
      does not so cure such Material Defect, it shall, if a loss has been incurred
      with respect to such Mortgage Loan that would, if such Mortgage Loan were not
      purchased from the Trust Fund, constitute a Realized Loss, and such loss is
      attributable to the failure of the applicable Transferor or the Depositor to
      cure such Material Defect, repurchase the related Mortgage Loan from the Trust
      Fund at the Purchase Price. A loss shall be deemed to be attributable to the
      failure of the applicable Transferor or the Depositor to cure a Material Defect
      if, as determined by the Depositor, upon mutual agreement with the Trustee
      each
      acting in good faith, absent such Material Defect, such loss would not have
      been
      incurred. Within the two-year period following the Closing Date, the Depositor
      may, in lieu of repurchasing a Mortgage Loan pursuant to this Section 2.02,
      substitute for such Mortgage Loan a Qualifying Substitute Mortgage Loan subject
      to the provisions of Section 2.05. The failure of the Trustee or the applicable
      Custodian to give the notice contemplated herein within 45 days after the
      Closing Date shall not affect or relieve the Depositor of its obligation to
      repurchase any Mortgage Loan pursuant to this Section 2.02 or any other Section
      of this Agreement requiring the repurchase of Mortgage Loans from the Trust
      Fund.

    

    (d) Within
      180 days following the Closing Date, the applicable Custodian shall deliver
      to
      the Trustee, the Depositor, the Servicers and the Master Servicer a Final
      Certification substantially in the form annexed hereto as Exhibit B-3 (or in
      the
      form annexed to the applicable Custodial Agreement as Exhibit B-3, as applicable
      evidencing the completeness of the Mortgage Files in its possession or control,
      with any exceptions noted thereto.

    

    
      
        
        

      

      
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    (e) Nothing
      in this Agreement shall be construed to constitute an assumption by the Trust
      Fund, the Trustee, a Custodian or the Certificateholders of any unsatisfied
      duty, claim or other liability on any Mortgage Loan or to any
      Mortgagor.

    

    (f) Each
      of
      the parties hereto acknowledges that each Custodian shall perform the applicable
      review of the Mortgage Loans covered by its Custodial Agreement and deliver
      the
      respective certifications thereof as provided in this Section 2.02.

    

    (g) Notwithstanding
      anything to the contrary contained herein, the parties hereto acknowledge that
      the functions of the Trustee with respect to the custody, acceptance, inspection
      and release of Mortgage Files, including but not limited to certain insurance
      policies and documents contemplated by this Agreement or the Servicing
      Agreement(s), and preparation and delivery of the certifications shall be
      performed by the Custodians pursuant to the terms and conditions of the
      Custodial Agreements.

    

    (h) The
      Trustee, solely in its capacity as Trustee, is hereby authorized and directed
      by
      the Depositor to appoint the Custodians and to execute and deliver, concurrently
      with the execution of this Agreement, the Custodial Agreements and Servicing
      Agreements.

    

    Section
      2.03. Representations
      and Warranties of the Depositor.

    

    (a) The
      Depositor hereby represents and warrants to the Trustee, for the benefit of
      Certificateholders, and to the Master Servicer and the Securities Administrator,
      as of the Closing Date or such other date as is specified, that:

    

    (i) the
      Depositor is a corporation duly organized, validly existing and in good standing
      under the laws governing its creation and existence and has full corporate
      power
      and authority to own its property, to carry on its business as presently
      conducted, to enter into and perform its obligations under this Agreement,
      and
      to create the trust pursuant hereto;

    

    (ii) the
      execution and delivery by the Depositor of this Agreement have been duly
      authorized by all necessary corporate action on the part of the Depositor;
      neither the execution and delivery of this Agreement, nor the consummation of
      the transactions herein contemplated, nor compliance with the provisions hereof,
      will conflict with or result in a breach of, or constitute a default under,
      any
      of the provisions of any law, governmental rule, regulation, judgment, decree
      or
      order binding on the Depositor or its properties or the certificate of
      incorporation or bylaws of the Depositor;

    

    (iii) the
      execution, delivery and performance by the Depositor of this Agreement and
      the
      consummation of the transactions contemplated hereby do not require the consent
      or approval of, the giving of notice to, the registration with, or the taking
      of
      any other action in respect of, any state, federal or other governmental
      authority or agency, except such as has been obtained, given, effected or taken
      prior to the date hereof;

    

    
      
        
        

      

      
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    (iv) this
      Agreement has been duly executed and delivered by the Depositor and, assuming
      due authorization, execution and delivery by the Trustee, the Securities
      Administrator and the Master Servicer, constitutes a valid and binding
      obligation of the Depositor enforceable against it in accordance with its terms
      except as such enforceability may be subject to (A) applicable bankruptcy and
      insolvency laws and other similar laws affecting the enforcement of the rights
      of creditors generally and (B) general principles of equity regardless of
      whether such enforcement is considered in a proceeding in equity or at
      law;

    

    (v) there
      are
      no actions, suits or proceedings pending or, to the knowledge of the Depositor,
      threatened or likely to be asserted against or affecting the Depositor, before
      or by any court, administrative agency, arbitrator or governmental body (A)
      with
      respect to any of the transactions contemplated by this Agreement or (B) with
      respect to any other matter which in the judgment of the Depositor will be
      determined adversely to the Depositor and will if determined adversely to the
      Depositor materially and adversely affect it or its business, assets, operations
      or condition, financial or otherwise, or adversely affect its ability to perform
      its obligations under this Agreement; and

    

    (vi) immediately
      prior to the transfer and assignment of the Mortgage Loans to the Trustee,
      the
      Depositor was the sole owner of record and holder of each Mortgage Loan, and
      the
      Depositor had good and marketable title thereto, and had full right to transfer
      and sell each Mortgage Loan to the Trustee free and clear, subject only to
      (1)
      liens of current real property taxes and assessments not yet due and payable
      and, if the related Mortgaged Property is a condominium unit, any lien for
      common charges permitted by statute, (2) covenants, conditions and restrictions,
      rights of way, easements and other matters of public record as of the date
      of
      recording of such Mortgage acceptable to mortgage lending institutions in the
      area in which the related Mortgaged Property is located and specifically
      referred to in the lender’s Title Insurance Policy or attorney’s opinion of
      title and abstract of title delivered to the originator of such Mortgage Loan,
      and (3) such other matters to which like properties are commonly subject which
      do not, individually or in the aggregate, materially interfere with the benefits
      of the security intended to be provided by the Mortgage, of any encumbrance,
      equity, participation interest, lien, pledge, charge, claim or security
      interest, and had full right and authority, subject to no interest or
      participation of, or agreement with, any other party, to sell and assign each
      Mortgage Loan pursuant to this Agreement.

    

    (b) The
      representations and warranties of each Transferor with respect to the related
      Mortgage Loans in the applicable Transfer Agreement, which have been assigned
      to
      the Trustee hereunder, were made as of the date specified in the applicable
      Transfer Agreement (or underlying agreement, if such Transfer Agreement is
      in
      the form of an assignment of a prior agreement). To the extent that any fact,
      condition or event with respect to a Mortgage Loan constitutes a breach of
      both
      (i) a representation or warranty of the applicable Transferor under the
      applicable Transfer Agreement and (ii) a representation or warranty of LBH
      under
      the Mortgage Loan Sale Agreement, the only right or remedy of the Trustee or
      of
      any Certificateholder shall be the Trustee’s right to enforce the obligations of
      the applicable Transferor under any applicable representation or warranty made
      by it. The Trustee acknowledges that, except as otherwise provided in the
      Mortgage Loan Sale Agreement, LBH shall have no obligation or liability
      with respect to any breach of a representation or warranty made by it with
      respect to the Mortgage Loans if the fact, condition or event constituting
      such
      breach also constitutes a breach of a representation or warranty made by the
      applicable Transferor in the applicable Transfer Agreement, without regard
      to
      whether such Transferor fulfills its contractual obligations in respect of
      such
      representation or warranty. The Trustee further acknowledges that the Depositor
      shall have no obligation or liability with respect to any breach of any
      representation or warranty with respect to the Mortgage Loans under any
      circumstances.

    

    
      
        
        

      

      
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    Section
      2.04. Discovery
      of Breach.

    

    It
      is
      understood and agreed that the representations and warranties (i) of the
      Depositor set forth in Section 2.03 hereof, (ii) of LBH set forth in the
      Mortgage Loan Sale Agreement and assigned to the Trustee by the Depositor
      hereunder and (iii) of each Transferor, assigned by LBH to the Depositor
      pursuant to the Mortgage Loan Sale Agreement and assigned to the Trustee by
      the
      Depositor hereunder, shall each survive delivery of the Mortgage Files and
      the
      Assignment of Mortgage of each Mortgage Loan to the Trustee and shall continue
      throughout the term of this Agreement. Upon discovery by any of the Depositor,
      the Master Servicer, or a Responsible Officer of the Trustee or the Securities
      Administrator of a breach of any of such representations and warranties that
      adversely and materially affects the value of the related Mortgage Loan, the
      party discovering such breach shall give prompt written notice to the other
      parties; provided, to the extent that knowledge of such breach with respect
      to
      any Mortgage Loan is known by any officer, director, employee or agent of Aurora
      Loan Services LLC acting in any capacity other than as Master Servicer
      hereunder, the Master Servicer shall not be deemed to have knowledge of any
      such
      breach until an officer of the Master Servicer has actual knowledge thereof.
      Within 90 days of the discovery of a breach of any representation or warranty
      given to the Trustee by the Depositor, any Transferor or LBH and assigned to
      the
      Trustee hereunder, the Depositor, such Transferor or LBH shall either (a) cure
      such breach in all material respects, (b) repurchase such Mortgage Loan or
      any
      property acquired in respect thereof from the Trustee at the Purchase Price
      or
      (c) within the two year period following the Closing Date, substitute a
      Qualifying Substitute Mortgage Loan for the affected Mortgage Loan. In the
      event
      of the discovery of a breach of any representation and warranty of any
      Transferor assigned to the Trustee, the Trustee shall enforce its rights under
      the applicable Transfer Agreement and the Mortgage Loan Sale Agreement for
      the
      benefit of the Certificateholders. As provided in the Mortgage Loan Sale
      Agreement, if any Transferor substitutes for a Mortgage Loan for which there
      is
      a breach of any representations and warranties in the related Transfer Agreement
      which adversely and materially affects the value of such Mortgage Loan and
      such
      substitute mortgage loan is not a Qualifying Substitute Mortgage Loan, under
      the
      terms of the Mortgage Loan Sale Agreement, LBH will, in exchange for such
      Substitute Mortgage Loan, either (i) provide the applicable Purchase Price
      for the affected Mortgage Loan or (ii) within two years of the Closing
      Date, substitute such affected Mortgage Loan with a Qualifying Substitute
      Mortgage Loan. 

    

    Section
      2.05. Repurchase,
      Purchase or Substitution of Mortgage Loans.

    

    (a) With
      respect to any Mortgage Loan repurchased by the Depositor pursuant to this
      Agreement by LBH pursuant to the Mortgage Loan Sale Agreement or by any
      Transferor pursuant to the applicable Transfer Agreement, the principal portion
      of the funds received by the Securities Administrator in respect of such
      repurchase of a Mortgage Loan will be considered a Principal Prepayment and
      the
      Purchase Price shall be deposited in the Certificate Account. The Trustee,
      upon
      written notification from the Securities Administrator that it has received
      the
      full amount of the Purchase Price for a Deleted Mortgage Loan and has deposited
      such amount in the Certificate Account, or upon its receipt of notification
      from
      the applicable Custodian that it has received the Mortgage File for a Qualifying
      Substitute Mortgage Loan substituted for a Deleted Mortgage Loan (and any
      applicable Substitution Amount), shall release or cause to be released and
      reassigned to the Depositor, LBH or the applicable Transferor, as applicable,
      the related Mortgage File for the Deleted Mortgage Loan and shall execute and
      deliver such instruments of transfer or assignment, in each case without
      recourse, representation or warranty, as shall be necessary to vest in such
      party or its designee or assignee title to any Deleted Mortgage Loan released
      pursuant hereto, free and clear of all security interests, liens and other
      encumbrances created by this Agreement, which instruments shall be prepared
      by
      the applicable Servicer or the Trustee (or the applicable Custodian), and the
      Trustee shall have no further responsibility with respect to the Mortgage File
      relating to such Deleted Mortgage Loan. The Seller indemnifies and holds the
      Trust Fund, the Trustee, the Securities Administrator, the Depositor and each
      Certificateholder harmless against any and all taxes, claims, losses, penalties,
      fines, forfeitures, reasonable legal fees and related costs, judgments, and
      any
      other costs, fees and expenses that the Trust Fund, the Trustee, the Securities
      Administrator, the Depositor and any Certificateholder may sustain in connection
      with any actions of the Seller relating to a repurchase of a Mortgage Loan
      other
      than in compliance with the terms of this Section 2.05 and the Mortgage Loan
      Sale Agreement, to the extent that any such action causes (i) any federal or
      state tax to be imposed on the Trust Fund, including without limitation, any
      federal tax imposed on “prohibited transactions” under Section 860F(2) of the
      Code, or (ii) any REMIC created hereunder to fail to qualify as a REMIC at
      any
      time that any Certificate is outstanding.

    

    
      
        
        

      

      
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    (b) With
      respect to each Qualifying Substitute Mortgage Loan to be delivered to the
      Trustee (or the applicable Custodian) pursuant to the terms of this Article
      II
      in exchange for a Deleted Mortgage Loan: (i) the Depositor, the applicable
      Transferor or LBH must deliver to the Trustee (or the applicable Custodian)
      the
      Mortgage File for the Qualifying Substitute Mortgage Loan containing the
      documents set forth in Section 2.01(b) along with a written certification
      certifying as to the delivery of such Mortgage File and containing the granting
      language set forth in Section 2.01(a); and (ii) the Depositor will be deemed
      to
      have made, with respect to such Qualifying Substitute Mortgage Loan, each of
      the
      representations and warranties made by it with respect to the related Deleted
      Mortgage Loan. As soon as practicable after the delivery of any Qualifying
      Substitute Mortgage Loan hereunder, the Master Servicer, at the expense of
      the
      Depositor and at the direction and with the cooperation of the applicable
      Servicer, shall, with respect to a Qualifying Substitute Mortgage Loan that
      is a
      Non-MERS Mortgage Loan, cause the Assignment of Mortgage to be recorded by
      such
      Servicer if required pursuant to Section 2.01(c)(i), or such Servicer shall,
      with respect to a Qualifying Substitute Mortgage Loan that is a MERS Mortgage
      Loan, cause to be taken such actions as are necessary to cause the Trustee
      to be
      clearly identified as the owner of each such Mortgage Loan on the records of
      MERS if required pursuant to Section 2.01(c)(ii).

    

    
      
        
        

      

      
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    (c) Notwithstanding
      any other provision of this Agreement, the right to substitute Mortgage Loans
      pursuant to this Article II shall be subject to the additional limitations
      that
      no substitution of a Qualifying Substitute Mortgage Loan for a Deleted Mortgage
      Loan shall be made unless the Trustee has received an Opinion of Counsel
      addressed to the Trustee (at the expense of the party seeking to make the
      substitution) that, under current law, such substitution will not (A) affect
      adversely the status of any REMIC established hereunder as a REMIC, or of the
      related “regular interests” as “regular interests” in any such REMIC, or (B)
      cause any such REMIC to engage in a prohibited transaction or prohibited
      contribution pursuant to the REMIC Provisions.

    

    Section
      2.06. Grant
      Clause.

    

    (a) It
      is
      intended that the conveyance of the Depositor’s right, title and interest in and
      to property constituting the Trust Fund pursuant to this Agreement shall
      constitute, and shall be construed as, a sale of such property and not a grant
      of a security interest to secure a loan. However, if such conveyance is deemed
      to be in respect of a loan, it is intended that: (1) the rights and obligations
      of the parties shall be established pursuant to the terms of this Agreement;
      (2)
      the Depositor hereby grants to the Trustee for the benefit of the Holders of
      the
      Certificates a first priority security interest to secure repayment of an
      obligation in an amount equal to the aggregate Class Principal Amount of the
      Certificates (or the aggregate principal balance of the Lower tier REMIC I
      Uncertificated Regular Interests, if applicable) in all of the Depositor’s
      right, title and interest in, to and under, whether now owned or hereafter
      acquired, the Trust Fund and all proceeds of any and all property constituting
      the Trust Fund to secure payment of the Certificates or Lower Tier REMIC I
      Uncertificated Regular Interests, as applicable; and (3) this Agreement shall
      constitute a security agreement under applicable law. If such conveyance is
      deemed to be in respect of a loan and the Trust created by this Agreement
      terminates prior to the satisfaction of the claims of any Person holding any
      Certificate or Lower Tier REMIC I Uncertificated Regular Interests, as
      applicable, the security interest created hereby shall continue in full force
      and effect and the Trustee shall be deemed to be the collateral agent for the
      benefit of such Person, and all proceeds shall be distributed as herein
      provided.

    

    (b) The
      Depositor shall, to the extent consistent with this Agreement, take such
      reasonable actions as may be necessary to ensure that, if this Agreement were
      deemed to create a security interest in the Mortgage Loans and the other
      property described above, such security interest would be deemed to be a
      perfected security interest of first priority under applicable law and will
      be
      maintained as such throughout the term of this Agreement. The Depositor will,
      at
      its own expense, make all initial filings on or about the Closing Date and
      shall
      forward a copy of such filing or filings to the Trustee. Without limiting the
      generality of the foregoing, the Depositor shall prepare and forward for filing,
      or shall cause to be forwarded for filing, at the expense of the Depositor,
      all
      filings necessary to maintain the effectiveness of any original filings
      necessary under the relevant UCC to perfect the Trustee’s security interest in
      or lien on the Mortgage Loans, including without limitation (x) continuation
      statements, and (y) such other statements as may be occasioned by (1) any change
      of name of the Seller, the Depositor or the Trustee, (2) any change of location
      of the jurisdiction of organization of the Seller or the Depositor, (3) any
      transfer of any interest of the Seller or the Depositor in any Mortgage Loan
      or
      (4) any change under the relevant UCC or other applicable laws. Neither the
      Seller nor the Depositor shall organize under the law of any jurisdiction other
      than the State under which each is organized as of the Closing Date (whether
      changing its jurisdiction of organization or organizing under an additional
      jurisdiction) without giving 30 days prior written notice of such action to
      its
      immediate and intermediate transferee, including the Trustee. Before effecting
      such change, the Seller or the Depositor proposing to change its jurisdiction
      of
      organization shall prepare and file in the appropriate filing office any
      financing statements or other statements necessary to continue the perfection
      of
      the interests of its immediate and intermediate transferees, including the
      Trustee, in the Mortgage Loans. In connection with the transactions contemplated
      by this Agreement, each of the Seller and the Depositor authorizes its immediate
      or intermediate transferee to file in any filing office any initial financing
      statements, any amendments to financing statements, any continuation statements,
      or any other statements or filings described in this paragraph (b).

    

    
      
        
        

      

      
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    ARTICLE
      III

    

    THE
      CERTIFICATES

    

    Section
      3.01. The
      Certificates.

    

    (a) The
      Certificates shall be issuable in registered form only and shall be securities
      governed by Article 8 of the New York Uniform Commercial Code. The Book-Entry
      Certificates will be evidenced by one or more certificates, beneficial ownership
      of which will be held in the dollar denominations in Certificate Principal
      Amount or Notional Amount, as applicable, or in the Percentage Interests,
      specified herein. Each Class of Book-Entry Certificates shall be issued in
      the
      minimum denominations in Certificate Principal Amount (or Notional Amount)
      or
      Percentage Interest specified in the Preliminary Statement hereto and in
      integral multiples of $1 or 5% (in the case of Certificates issued in Percentage
      Interests) in excess thereof. Each Class of Non-Book Entry Certificates other
      than the Residual Certificate shall be issued in definitive, fully registered
      form in the minimum denominations in Certificate Principal Amount (or Notional
      Amount) specified in the Preliminary Statement hereto and in integral multiples
      of $1 in excess thereof. The Residual Certificates shall each be issued as
      a
      single Certificate and maintained in definitive, fully registered form in a
      minimum denomination equal to 100% of the Percentage Interest of such Class.
      The
      Certificates may be issued in the form of typewritten certificates. One
      Certificate of each Class of Certificates other than any Class of Residual
      Certificates may be issued in any denomination in excess of the minimum
      denomination.

    

    (b) The
      Certificates shall be executed by manual or facsimile signature on behalf of
      the
      Securities Administrator by an authorized signatory. Each Certificate shall,
      on
      original issue, be authenticated by the Securities Administrator upon the order
      of the Depositor upon receipt by the Trustee (or the Custodian on its behalf)
      of
      the Mortgage Files described in Section 2.01. No Certificate shall be entitled
      to any benefit under this Agreement, or be valid for any purpose, unless there
      appears on such Certificate a certificate of authentication substantially in
      the
      form provided for herein, executed by an authorized signatory of the Securities
      Administrator or the Authenticating Agent, if any, by manual signature, and
      such
      certification upon any Certificate shall be conclusive evidence, and the only
      evidence, that such Certificate has been duly authenticated and delivered
      hereunder. All Certificates shall be dated the date of their authentication.
      At
      any time and from time to time after the execution and delivery of this
      Agreement, the Depositor may deliver Certificates executed by the Depositor
      to
      the Securities Administrator or the Authenticating Agent for authentication
      and
      the Securities Administrator or the Authenticating Agent shall authenticate
      and
      deliver such Certificates as in this Agreement provided and not otherwise.
      

    

    
      
        
        

      

      
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    (c) The
      Privately Offered Certificates offered and sold in reliance on the exemption
      from registration under Rule 144A under the Securities Act shall be issued
      initially in the form of one or more permanent global Certificates in
      definitive, fully registered form without interest coupons with the applicable
      legends set forth in Exhibit A added to the forms of such Certificates (each,
      a
“Restricted Global Security”), which, in the case of the Privately Offered
      Certificates, shall be deposited on behalf of the subscribers for such
      Certificates represented thereby with the Securities Administrator, as custodian
      for DTC and registered in the name of a nominee of DTC, duly executed and
      authenticated by the Securities Administrator as hereinafter provided. The
      aggregate principal amounts of the Restricted Global Securities may from time
      to
      time be increased or decreased by adjustments made on the records of the
      Securities Administrator or DTC or its nominee, as the case may be, as
      hereinafter provided.

    

    The
      Privately Offered Certificates sold in offshore transactions in reliance on
      Regulation S shall be issued initially in the form of one or more permanent
      global Certificates in definitive, fully registered form without interest
      coupons with the applicable legends set forth in Exhibit A hereto added to
      the
      forms of such Certificates (each, a “Regulation S Global Security”), which, in
      the case of the Privately Offered Certificates, shall be deposited on behalf
      of
      the subscribers for such Certificates represented thereby with the Securities
      Administrator, as custodian for DTC and registered in the name of a nominee
      of
      DTC, duly executed and authenticated by the Securities Administrator as
      hereinafter provided. The aggregate principal amounts of the Regulation S Global
      Securities may from time to time be increased or decreased by adjustments made
      on the records of the Securities Administrator or DTC or its nominee, as the
      case may be, as hereinafter provided.

    

    The
      Privately Offered Certificates sold to an “accredited investor” under Rule
      501(a)(1), (2), (3) or (7) under the Act shall be issued initially in the form
      of one or more Definitive Certificates.

    

    Section
      3.02. Registration.

    

    The
      Securities Administrator is hereby appointed, and hereby accepts its appointment
      as, Certificate Registrar in respect of the Certificates (and, after a Section
      7.01(c) Purchase Event, the Lower Tier REMIC I Uncertificated Regular Interests,
      if applicable) and shall maintain books for the registration and for the
      transfer of Certificates (and, after a Section 7.01(c) Purchase Event, the
      Lower
      Tier REMIC I Uncertificated Regular Interests, if applicable) (the “Certificate
      Register”). A registration book shall be maintained for the Certificates (and,
      after a Section 7.01(c) Purchase Event, the Lower Tier REMIC I Uncertificated
      Regular Interests, if applicable) collectively. The Certificate Registrar may
      resign or be discharged or removed and a new successor may be appointed by
      the
      Trustee in accordance with the procedures and requirements set forth in Sections
      6.06 and 6.07 hereof with respect to the resignation, discharge or removal
      of
      the Securities Administrator and the appointment of a successor Securities
      Administrator. The Certificate Registrar may appoint, by a written instrument
      delivered to the Holders and the Master Servicer, any bank or trust company
      to
      act as co-registrar under such conditions as the Certificate Registrar may
      prescribe; provided,
      however,
      that
      the Certificate Registrar shall not be relieved of any of its duties or
      responsibilities hereunder by reason of such appointment.

    

    
      
        
        

      

      
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    Upon
      the
      occurrence of a Section 7.01(c) Purchase Event, the Master Servicer shall
      provide the Securities Administrator with written notice of the identity of
      any
      transferee of the Master Servicer’s interest in the Lower Tier REMIC I
      Uncertificated Regular Interests, which notice shall contain a certification
      that such transferee is permitted LTURI holder. The Lower Tier REMIC I
      Uncertificated Regular Interests may only be transferred in whole and not in
      part to no more than one LTURI holder at a time who is either (1) an affiliate
      of the Master Servicer or (2) a trustee of a privately placed securitization.
      The Securities Administrator and the Depositor shall treat the Person in whose
      name the Lower Tier REMIC I Uncertificated Regular Interests are registered
      on
      the books of the Certificate Registrar as the LTURI holder for all purposes
      hereunder.

    

    Section
      3.03. Transfer
      and Exchange of Certificates.

    

    (a) A
      Certificate (other than Book-Entry Certificates which shall be subject to
      Section 3.09 hereof) may be transferred by the Holder thereof only upon
      presentation and surrender of such Certificate at the office of the Certificate
      Registrar duly endorsed or accompanied by an assignment duly executed by such
      Holder or his duly authorized attorney in such form as shall be satisfactory
      to
      the Certificate Registrar. Upon the transfer of any Certificate in accordance
      with the preceding sentence, the Securities Administrator shall execute, and
      the
      Securities Administrator or any Authenticating Agent shall authenticate and
      deliver to the transferee, one or more new Certificates of the same Class and
      evidencing, in the aggregate, the same aggregate Certificate Principal Amount
      or
      Percentage Interest as the Certificate being transferred. No service charge
      shall be made to a Certificateholder for any registration of transfer of
      Certificates, but the Certificate Registrar may require payment of a sum
      sufficient to cover any tax or governmental charge that may be imposed in
      connection with any registration of transfer of Certificates.

    

    (b) A
      Certificate may be exchanged by the Holder thereof for any number of new
      Certificates of the same Class, in authorized denominations, representing in
      the
      aggregate the same Certificate Principal Amount or Percentage Interest as the
      Certificate surrendered, upon surrender of the Certificate to be exchanged
      at
      the office of the Certificate Registrar duly endorsed or accompanied by a
      written instrument of transfer duly executed by such Holder or his duly
      authorized attorney in such form as is satisfactory to the Certificate
      Registrar. Certificates delivered upon any such exchange will evidence the
      same
      obligations, and will be entitled to the same rights and privileges, as the
      Certificates surrendered. No service charge shall be made to a Certificateholder
      for any exchange of Certificates (except as provided in the Exchange Trust
      Agreement), but the Certificate Registrar may require payment of a sum
      sufficient to cover any tax or governmental charge that may be imposed in
      connection with any exchange of Certificates. Whenever any Certificates are
      so
      surrendered for exchange, the Securities Administrator shall execute, and the
      Securities Administrator or the Authenticating Agent shall authenticate, date
      and deliver the Certificates which the Certificateholder making the exchange
      is
      entitled to receive.

    

    
      
        
        

      

      
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    (c) By
      acceptance of a Restricted Certificate or a Regulation S Global Security,
      whether upon original issuance or subsequent transfer, each Holder of such
      a
      Certificate acknowledges the restrictions on the transfer of such Certificate
      set forth thereon and agrees that it will transfer such a Certificate only
      as
      provided herein. In addition, each Holder of a Regulation S Global Security
      shall be deemed to have represented and warranted to the Securities
      Administrator, the Certificate Registrar and any of their respective successors
      that: (i) such Person (A) if the offer or sale was made to it prior to the
      expiration of the 40-day distribution compliance period within the meaning
      of
      Regulation S, is not a U.S. person within the meaning of Regulation S and (B)
      was, at the time the buy order was originated, outside the United States and
      (ii) such Person understands that such Certificates have not been registered
      under the Securities Act, and that (x) until the expiration of the 40-day
      distribution compliance period (within the meaning of Regulation S), no offer,
      sale, pledge or other transfer of such Certificates or any interest therein
      shall be made in the United States or to or for the account or benefit of a
      U.S.
      person (each as defined in Regulation S), (y) if in the future it decides to
      offer, resell, pledge or otherwise transfer such Certificates, such Certificates
      may be offered, resold, pledged or otherwise transferred only (A) to a person
      which the seller reasonably believes is a “qualified institutional buyer” (a
“QIB”) as defined in Rule 144A under the Securities Act, that is purchasing such
      Certificates for its own account or for the account of a qualified institutional
      buyer to which notice is given that the transfer is being made in reliance
      on
      Rule 144A or (B) in an offshore transaction (as defined in Regulation S) in
      compliance with the provisions of Regulation S, in each case in compliance
      with
      the requirements of this Agreement; and it will notify such transferee of the
      transfer restrictions specified in this Section.

    

    The
      following restrictions shall apply with respect to the transfer and registration
      of transfer of a Restricted Certificate to a transferee that takes delivery
      in
      the form of a Definitive Certificate:

    

    (i) The
      Certificate Registrar shall register the transfer of a Restricted Certificate
      if
      the requested transfer is (x) to the Depositor, the Servicers or the Placement
      Agent or to an affiliate (as defined in Rule 405 under the Securities Act)
      of
      the Depositor or the Placement Agent or (y) being made to a QIB by a transferor
      that has provided the Securities Administrator with a certificate in the form
      of
      Exhibit F hereto; and

    

    
      
        
        

      

      
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    (ii) The
      Certificate Registrar shall register the transfer of a Restricted Certificate
      if
      the requested transfer is being made to an “accredited investor” under Rule
      501(a)(1), (2), (3) or (7) under the Securities Act by a transferor who
      furnishes to the Securities Administrator a letter of the transferee
      substantially in the form of Exhibit G hereto.

    

    (d) (i)
      No
      transfer of an ERISA-Restricted Certificate in the form of a Definitive
      Certificate shall be made to any Person or shall be effective unless the
      Securities Administrator has received (A) a certificate substantially in the
      form of Exhibit H hereto (or Exhibit D-1, in the case of a Residual Certificate)
      from such transferee or (B) an Opinion of Counsel reasonably satisfactory to
      the
      Securities Administrator to the effect that the purchase and holding of such
      a
      Certificate will not constitute or result in prohibited transactions under
      Title
      I of ERISA or Section 4975 of the Code and will not subject the Trustee, the
      Securities Administrator, the Master Servicer or the Depositor to any obligation
      in addition to those undertaken in the Agreement; provided,
      however,
      that
      the Securities Administrator will not require such certificate or opinion in
      the
      event that, as a result of a change of law or otherwise, the Securities
      Administrator receives an Opinion of Counsel to the effect that the purchase
      and
      holding of an ERISA-Restricted Certificate by a Plan or a Person that is
      purchasing or holding such a Certificate with the assets of a Plan will not
      constitute or result in a prohibited transaction under Title I of ERISA or
      Section 4975 of the Code. Each Transferee of an ERISA-Restricted Certificate
      that is a Book-Entry Certificate shall be deemed to have made the
      representations set forth in Exhibit H. The preparation and delivery of the
      certificate and opinions referred to above shall not be an expense of the Trust
      Fund, the Trustee, the Securities Administrator, the Master Servicer or the
      Depositor.

    

    Notwithstanding
      the foregoing, no opinion or certificate shall be required for the initial
      issuance of the ERISA-Restricted Certificates. The Securities Administrator
      shall have no obligation to monitor transfers of Book-Entry Certificates that
      are ERISA-Restricted Certificates and shall have no liability for transfers
      of
      such Certificates in violation of the transfer restrictions. The Securities
      Administrator shall be under no liability to any Person for any registration
      of
      transfer of any ERISA-Restricted Certificate that is in fact not permitted
      by
      this Section 3.03(d)(i) or for making any payments due on such Certificate
      to
      the Holder thereof or taking any other action with respect to such Holder under
      the provisions of this Agreement so long as the transfer was registered by
      the
      Securities Administrator in accordance with the foregoing requirements. The
      Securities Administrator shall be entitled, but not obligated, to recover from
      any Holder of any ERISA-Restricted Certificate that was in fact a Plan or a
      Person acting on behalf of a Plan any payments made on such ERISA-Restricted
      Certificate at and after either such time. Any such payments so recovered by
      the
      Securities Administrator shall be paid and delivered by the Securities
      Administrator to the last preceding Holder of such Certificate that is not
      such
      a Plan or Person acting on behalf of a Plan.

    

    (ii)
      No
      transfer of an ERISA-Restricted Trust Certificate shall be made prior to the
      termination of the related Cap Agreement unless the Securities Administrator
      shall have received a representation letter from the transferee of such
      Certificate, substantially in the form set forth in Exhibit H, to the effect
      that either (i) such transferee is neither a Plan nor a Person acting on behalf
      of any such Plan or using the assets of any such Plan to effect such transfer
      or
      (ii) the acquisition and holding of the ERISA-Restricted Trust Certificate
      are
      eligible for exemptive relief under Prohibited Transaction Class Exemption
      (“PTCE”) 84-14, PTCE 90-1, PTCE 91-38, PTCE 95-60, PTCE 96-23 or the statutory
      exemption for non-fiduciary service providers under Section 408(b)(17) of ERISA.
      Notwithstanding anything else to the contrary herein, any purported transfer
      of
      an ERISA-Restricted Trust Certificate prior to the termination of the related
      Cap Agreement to or on behalf of a Plan without the delivery to the Securities
      Administrator of a representation letter as described above shall be void and
      of
      no effect. If the ERISA-Restricted Trust Certificate is a Book-Entry
      Certificate, prior to the termination of the related Cap Agreement, the
      transferee will be deemed to have made a representation as provided in clause
      (i) or (ii) of this paragraph, as applicable.

    

    
      
        
        

      

      
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    If
      any
      ERISA-Restricted Trust Certificate, or any interest therein, is acquired or
      held
      in violation of the provisions of the preceding paragraph, the next preceding
      permitted beneficial owner will be treated as the beneficial owner of that
      Certificate, retroactive to the date of transfer to the purported beneficial
      owner. Any purported beneficial owner whose acquisition or holding of an
      ERISA-Restricted Trust Certificate, or interest therein, was effected in
      violation of the provisions of the preceding paragraph shall indemnify to the
      extent permitted by law and hold harmless the Depositor, the Trustee,
the
      Securities
      Administrator and the Master Servicer from and against any and all liabilities,
      claims, costs or expenses incurred by such parties as a result of such
      acquisition or holding.

    

    To
      the
      extent permitted under applicable law (including, but not limited to, ERISA),
      neither the Trustee nor the Securities Administrator shall be under any
      liability to any Person for any registration of transfer of any ERISA-Restricted
      Trust Certificate that is in fact not permitted by this Section 3.03(d)(ii)
      or
      for making any payments due on such Certificate to the Holder thereof or taking
      any other action with respect to such Holder under the provisions of this
      Agreement so long as the transfer was registered by the Securities Administrator
      in accordance with the foregoing requirements.

    

    (e) As
      a
      condition of the registration of transfer or exchange of any Certificate, the
      Certificate Registrar may require the certified taxpayer identification number
      of the owner of the Certificate and the payment of a sum sufficient to cover
      any
      tax or other governmental charge imposed in connection therewith; provided,
      however,
      that
      the Certificate Registrar shall have no obligation to require such payment
      or to
      determine whether or not any such tax or charge may be applicable. No service
      charge shall be made to the Certificateholder for any registration, transfer
      or
      exchange of Certificate, except as provided in the Exchange Trust
      Agreement.

    

    (f) Notwithstanding
      anything to the contrary contained herein, no Residual Certificate may be owned,
      pledged or transferred, directly or indirectly, by or to (i) a Disqualified
      Organization or (ii) an individual, corporation or partnership or other person
      unless such person is (A) not a Non-U.S. Person or (B) is a Non-U.S. Person
      that
      holds a Residual Certificate in connection with the conduct of a trade or
      business within the United States and has furnished the transferor and the
      Securities Administrator with an effective Internal Revenue Service Form W-8ECI
      or successor form at the time and in the manner required by the Code (any such
      person who is not covered by clause (A) or (B) above is referred to herein
      as a
“Non-permitted Foreign Holder”).

    

    
      
        
        

      

      
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    Prior
      to
      and as a condition of the registration of any transfer, sale or other
      disposition of a Residual Certificate, the proposed transferee shall deliver
      to
      the Securities Administrator an affidavit in substantially the form attached
      hereto as Exhibit D-1 representing and warranting, among other things, that
      such
      transferee is neither a Disqualified Organization, an agent or nominee acting
      on
      behalf of a Disqualified Organization, nor a Non-permitted Foreign Holder (any
      such transferee, a “Permitted Transferee”) and the proposed transferor shall
      deliver to the Securities Administrator an affidavit in substantially the form
      attached hereto as Exhibit D-2. In addition, the Securities Administrator may
      (but shall have no obligation to) require, prior to and as a condition of any
      such transfer, the delivery by the proposed transferee of an Opinion of Counsel,
      addressed to the Depositor, the Trustee and the Securities Administrator
      satisfactory in form and substance to the Depositor, that such proposed
      transferee or, if the proposed transferee is an agent or nominee, the proposed
      beneficial owner, is not a Disqualified Organization, agent or nominee thereof,
      or Non-permitted Foreign Holder. Notwithstanding the registration in the
      Certificate Register of any transfer, sale, or other disposition of a Residual
      Certificate to a Disqualified Organization, an agent or nominee thereof, or
      Non-permitted Foreign Holder, such registration shall be deemed to be of no
      legal force or effect whatsoever and such Disqualified Organization, agent
      or
      nominee thereof, or Non-permitted Foreign Holder shall not be deemed to be
      a
      Certificateholder for any purpose hereunder, including, but not limited to,
      the
      receipt of distributions on such Residual Certificate. The Securities
      Administrator shall not be under any liability to any person for any
      registration or transfer of a Residual Certificate to a Disqualified
      Organization, agent or nominee thereof, or Non-permitted Foreign Holder or
      for
      the maturity of any payments due on such Residual Certificate to the Holder
      thereof or for taking any other action with respect to such Holder under the
      provisions of the Agreement, so long as the transfer was effected in accordance
      with this Section 3.03(f), unless a Responsible Officer of the Securities
      Administrator shall have actual knowledge at the time of such transfer or the
      time of such payment or other action that the transferee is a Disqualified
      Organization, agent or nominee thereof, or Non-permitted Foreign Holder. The
      Securities Administrator shall be entitled to recover from any Holder of a
      Residual Certificate that was a Disqualified Organization, agent or nominee
      thereof, or Non-permitted Foreign Holder at the time it became a Holder or
      any
      subsequent time it became a Disqualified Organization, agent or nominee thereof,
      or Non-permitted Foreign Holder, all payments made on such Residual Certificate
      at and after either such times (and all costs and expenses, including but not
      limited to attorneys’ fees, incurred in connection therewith). Any payment (not
      including any such costs and expenses) so recovered by the Securities
      Administrator shall be paid and delivered to the last preceding Holder of such
      Residual Certificate.

    

    If
      any
      purported transferee shall become a registered Holder of a Residual Certificate
      in violation of the provisions of this Section 3.03(f), then upon receipt of
      written notice to the Securities Administrator that the registration of transfer
      of such Residual Certificate was not in fact permitted by this Section 3.03(f),
      the last preceding Permitted Transferee shall be restored to all rights as
      Holder thereof retroactive to the date of such registration of transfer of
      such
      Residual Certificate. The Securities Administrator shall be under no liability
      to any Person for any registration of transfer of a Residual Certificate that
      is
      in fact not permitted by this Section 3.03(f), for making any payment due on
      such Certificate to the registered Holder thereof or for taking any other action
      with respect to such Holder under the provisions of this Agreement so long
      as
      the transfer was registered upon receipt of the affidavit described in the
      preceding paragraph of this Section 3.03(f).

    

    
      
        
        

      

      
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    (g) Each
      Holder of a Residual Certificate, by such Holder’s acceptance thereof, shall be
      deemed for all purposes to have consented to the provisions of this
      section.

    

    (h) Notwithstanding
      any provision to the contrary herein, so long as a Global Security representing
      any of the Privately Offered Certificates remains outstanding and is held by
      or
      on behalf of DTC, transfers of a Global Security representing any such
      Certificates, in whole or in part, shall only be made in accordance with Section
      3.01 and this Section 3.03(h).

    

    (A) Subject
      to clauses (B) and (C) of this Section 3.03(h), transfers of a Global Security
      representing any of the Privately Offered Certificates shall be limited to
      transfers of such Global Security, in whole or in part, to nominees of DTC
      or to
      a successor of DTC or such successor’s nominee.

    

    (B) Restricted
      Global Security to Regulation S Global Security.
      If a
      holder of a beneficial interest in a Restricted Global Security deposited with
      or on behalf of DTC wishes at any time to exchange its interest in such
      Restricted Global Security for an interest in a Regulation S Global Security,
      or
      to transfer its interest in such Restricted Global Security to a Person who
      wishes to take delivery thereof in the form of an interest in a Regulation
      S
      Global Security, such holder, provided
      such
      holder is not a U.S. person, may, subject to the rules and procedures of DTC,
      exchange or cause the exchange of such interest for an equivalent beneficial
      interest in the Regulation S Global Security. Upon receipt by the Securities
      Administrator, as Certificate Registrar, of (I) instructions from DTC directing
      the Securities Administrator, as Certificate Registrar, to cause to be credited
      a beneficial interest in a Regulation S Global Security in an amount equal
      to
      the beneficial interest in such Restricted Global Security to be exchanged
      but
      not less than the minimum denomination applicable to such holder’s Certificates
      held through a Regulation S Global Security, (II) a written order given in
      accordance with DTC’s procedures containing information regarding the
      participant account of DTC and, in the case of a transfer pursuant to and in
      accordance with Regulation S, the Euroclear or Clearstream account to be
      credited with such increase and (III) a certificate in the form of Exhibit
      N-1
      hereto given by the holder of such beneficial interest stating that the exchange
      or transfer of such interest has been made in compliance with the transfer
      restrictions applicable to the Regulation S Global Securities, including that
      the holder is not a U.S. person, and pursuant to and in accordance with
      Regulation S, the Securities Administrator, as Certificate Registrar, shall
      reduce the principal amount of the Restricted Global Security and increase
      the
      principal amount of the Regulation S Global Security by the aggregate principal
      amount of the beneficial interest in the Restricted Global Security to be
      exchanged, and shall instruct Euroclear or Clearstream, as applicable,
      concurrently with such reduction, to credit or cause to be credited to the
      account of the Person specified in such instructions a beneficial interest
      in
      the Regulation S Global Security equal to the reduction in the principal amount
      of the Restricted Global Security.

    

    
      
        
        

      

      
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    (C) Regulation
      S Global Security to Restricted Global Security.
      If a
      holder of a beneficial interest in a Regulation S Global Security deposited
      with
      or on behalf of DTC wishes at any time to transfer its interest in such
      Regulation S Global Security to a Person who wishes to take delivery thereof
      in
      the form of an interest in a Restricted Global Security, such holder may,
      subject to the rules and procedures DTC, exchange or cause the exchange of
      such
      interest for an equivalent beneficial interest in a Restricted Global Security.
      Upon receipt by the Securities Administrator, as Certificate Registrar, of
      (I)
      instructions from DTC directing the Securities Administrator, as Certificate
      Registrar, to cause to be credited a beneficial interest in a Restricted Global
      Security in an amount equal to the beneficial interest in such Regulation S
      Global Security to be exchanged but not less than the minimum denomination
      applicable to such holder’s Certificates held through a Restricted Global
      Security, to be exchanged, such instructions to contain information regarding
      the participant account with DTC to be credited with such increase, and (II)
      a
      certificate in the form of Exhibit N-2 hereto given by the holder of such
      beneficial interest and stating, among other things, that the Person
      transferring such interest in such Regulation S Global Security reasonably
      believes that the Person acquiring such interest in a Restricted Global Security
      is a QIB, is obtaining such beneficial interest in a transaction meeting the
      requirements of Rule 144A under the Securities Act and in accordance with any
      applicable securities laws of any State of the United States or any other
      jurisdiction, then the Securities Administrator, as Certificate Registrar,
      will
      reduce the principal amount of the Regulation S Global Security and increase
      the
      principal amount of the Restricted Global Security by the aggregate principal
      amount of the beneficial interest in the Regulation S Global Security to be
      transferred and the Securities Administrator, as Certificate Registrar, shall
      instruct DTC, concurrently with such reduction, to credit or cause to be
      credited to the account of the Person specified in such instructions a
      beneficial interest in the Restricted Global Security equal to the reduction
      in
      the principal amount of the Regulation S Global Security.

    

    (D) Other
      Exchanges.
      In the
      event that a Global Security is exchanged for Certificates in definitive
      registered form without interest coupons, pursuant to Section 3.09(c) hereof,
      such Certificates may be exchanged for one another only in accordance with
      such
      procedures as are substantially consistent with the provisions above (including
      certification requirements intended to insure that such transfers comply with
      Rule 144A, comply with Rule 501(a)(1), (2), (3) or (7) or are to non-U.S.
      persons in compliance with Regulation S under the Securities Act, as the case
      may be), and as may be from time to time adopted by the Securities
      Administrator.

    

    
      
        
        

      

      
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    (E) Restrictions
      on U.S. Transfers.
      Transfers of interests in a Regulation S Global Security to U.S. persons (as
      defined in Regulation S) shall be limited to transfers made pursuant to the
      provisions of Section 3.03(h)(C).

    

    Section
      3.04. Cancellation
      of Certificates.

    

    Any
      Certificate surrendered for registration of transfer or exchange shall be
      cancelled and retained in accordance with normal retention policies with respect
      to cancelled certificates maintained by the Certificate Registrar.

    

    Section
      3.05. Replacement
      of Certificates.

    

    If
      (i)
      any Certificate is mutilated and is surrendered to the Securities Administrator
      or any Authenticating Agent or (ii) the Securities Administrator or any
      Authenticating Agent receives evidence to its satisfaction of the destruction,
      loss or theft of any Certificate, and there is delivered to the Securities
      Administrator or the Authenticating Agent such security or indemnity as may
      be
      required by them to save each of them harmless, then, in the absence of notice
      to the Securities Administrator and any Authenticating Agent that such
      destroyed, lost or stolen Certificate has been acquired by a bona fide
      purchaser, the Securities Administrator shall execute and the Securities
      Administrator or any Authenticating Agent shall authenticate and deliver, in
      exchange for or in lieu of any such mutilated, destroyed, lost or stolen
      Certificate, a new Certificate of like tenor and Certificate Principal Amount
      (or Notional Amount). Upon the issuance of any new Certificate under this
      Section 3.05, the Securities Administrator and Authenticating Agent may require
      the payment of a sum sufficient to cover any tax or other governmental charge
      that may be imposed in relation thereto and any other expenses (including the
      fees and expenses of the Securities Administrator or the Authenticating Agent)
      connected therewith. Any replacement Certificate issued pursuant to this Section
      3.05 shall constitute complete and indefeasible evidence of ownership in the
      applicable Trust Fund, as if originally issued, whether or not the lost, stolen
      or destroyed Certificate shall be found at any time.

    

    Section
      3.06. Persons
      Deemed Owners.

    

    Subject
      to the provisions of Section 3.09 with respect to Book-Entry Certificates,
      the
      Depositor, the Master Servicer, the Trustee, the Securities Administrator,
      the
      Certificate Registrar and any agent of any of them may treat the Person in
      whose
      name any Certificate is registered upon the books of the Certificate Registrar
      as the owner of such Certificate for the purpose of receiving distributions
      pursuant to Sections 5.01 and 5.02 and for all other purposes whatsoever, and
      neither the Depositor, the Master Servicer, the Trustee, the Securities
      Administrator, the Certificate Registrar nor any agent of any of them shall
      be
      affected by notice to the contrary.

    

    Section
      3.07. Temporary
      Certificates.

    

    (a) Pending
      the preparation of definitive Certificates, upon the order of the Depositor,
      the
      Securities Administrator shall execute and shall authenticate and deliver
      temporary Certificates that are printed, lithographed, typewritten, mimeographed
      or otherwise produced, in any authorized denomination, substantially of the
      tenor of the definitive Certificates in lieu of which they are issued and with
      such variations as the authorized officers executing such Certificates may
      determine, as evidenced by their execution of such Certificates.

    

    
      
        
        

      

      
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    (b) If
      temporary Certificates are issued, the Depositor will cause definitive
      Certificates to be prepared without unreasonable delay. After the preparation
      of
      definitive Certificates, the temporary Certificates shall be exchangeable for
      definitive Certificates upon surrender of the temporary Certificates at the
      office or agency of the Securities Administrator without charge to the Holder.
      Upon surrender for cancellation of any one or more temporary Certificates,
      the
      Securities Administrator shall execute and authenticate and deliver in exchange
      therefor a like aggregate Certificate Principal Amount of definitive
      Certificates of the same Class in the authorized denominations. Until so
      exchanged, the temporary Certificates shall in all respects be entitled to
      the
      same benefits under this Agreement as definitive Certificates of the same
      Class.

    

    Section
      3.08. Appointment
      of Paying Agent.

    

    The
      Securities Administrator may appoint a Paying Agent (which may be the Securities
      Administrator) for the purpose of making distributions to Certificateholders
      hereunder. The Securities Administrator shall cause such Paying Agent (if other
      than the Securities Administrator) to execute and deliver to the Securities
      Administrator an instrument in which such Paying Agent shall agree with the
      Securities Administrator that such Paying Agent will hold all sums held by
      it
      for the payment to Certificateholders in an Eligible Account, on behalf of
      the
      Securities Administrator, in trust for the benefit of the Certificateholders
      entitled thereto until such sums shall be paid to the Certificateholders. All
      funds remitted by the Securities Administrator to any such Paying Agent for
      the
      purpose of making distributions shall be paid to Certificateholders on each
      Distribution Date and any amounts not so paid shall be returned on such
      Distribution Date to the Securities Administrator. If the Paying Agent is not
      the Securities Administrator, the Securities Administrator shall cause to be
      remitted to the Paying Agent on or before the Business Day prior to each
      Distribution Date, by wire transfer in immediately available funds, the funds
      to
      be distributed on such Distribution Date. Any Paying Agent shall be either
      a
      bank or trust company or otherwise authorized under law to exercise corporate
      trust powers. As of the Closing Date, the Securities Administrator is the Paying
      Agent.

    

    At
      any time during the period that a Form 10-K is being filed with respect to
      the
      Trust in accordance with the Exchange Act and the rules and regulations of
      the
      Commission, the Securities
      Administrator
      shall not appoint a Paying Agent that is not the Securities
      Administrator
      unless that Paying Agent first agrees in writing with the Securities
      Administrator
      (i) to deliver an assessment of compliance and an accountant’s attestation in
      such manner and at such times in compliance with Section 9.25(a) and 9.25(b)
      of
      this Agreement, (ii) to comply with the provisions of Section 9.25(a), 9.25(b),
      6.20(e)(i) and 6.20(e)(iv)of this Agreement and (iii) to indemnify the Depositor
      and the Master Servicer, and their respective directors, officers, employees
      and
      agents and the Trust Fund and hold each of them harmless as set forth in Section
      6.23. For so long as the Depositor is subject to Exchange Act reporting
      requirements with respect to the Trust, the Paying Agent (if other than the
      Securities
      Administrator)
      shall give prior written notice to the Sponsor, the Master Servicer, the
      Securities Administrator, the Trustee and the Depositor of the appointment
      of
      any Subcontractor by it and a written description (in form and substance
      reasonably satisfactory to the Sponsor and the Depositor) of the role and
      function of each Subcontractor utilized by the Paying Agent, as applicable,
      specifying (A) the identity of each such Subcontractor and (B) which elements
      of
      the servicing criteria set forth under Item 1122(d) of Regulation AB will be
      addressed in assessments of compliance provided by each
      Subcontractor for
      which
      the Paying Agent does not elect to take responsibility for assessing compliance
      with the Servicing Criteria in accordance with Regulation AB Telephone
      Interpretation 17.06.
      In addition, for so long as the Depositor is subject to Exchange Act reporting
      requirements with respect to the Trust, the Paying Agent (including the
Securities
      Administrator
      in its capacity as Paying Agent, to the extent not already required of the
      Securities
      Administrator
      under this Agreement) shall notify the Sponsor, the Master Servicer, the
      Securities Administrator, the Trustee and the Depositor within five (5) calendar
      days of knowledge thereof (i) of any legal proceedings pending under the Paying
      Agent of the type described in Item 1117 (§
      229.1117) of Regulation AB, (ii) any merger, consolidation or sale of
      substantially all of the assets of the Paying Agent and (iii) if the Paying
      Agent shall become (but only to the extent not previously disclosed) at any
      time
      an affiliate of any of the parties listed on Exhibit I hereto or any of their
      affiliates. On or before March 1st
      of each year, the Depositor shall distribute the information in Exhibit I to
      the
      Paying Agent.

    

    
      
        
        

      

      
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    Any
      Paying Agent (if other than the Securities
      Administrator)
      agrees to indemnify the Depositor, the Trustee (if other than the Paying Agent)
      and the Master Servicer, and each of their respective directors, officers,
      employees and agents and the Trust Fund and hold each of them harmless from
      and
      against any losses, damages, penalties, fines, forfeitures, legal fees and
      expenses and related costs, judgments, and any other costs, fees and expenses
      that any of them may sustain arising out of or based upon the failure by such
      Paying Agent to deliver any information, report or certification when and as
      required under Section 6.20 and Section 9.25(a). This indemnification shall
      survive the termination of this Agreement or the termination of such Paying
      Agent hereunder.

    

    In
      addition, the Paying Agent (if other than the Securities Administrator) (i)
      may
      not be an originator of Mortgage Loans, the Master Servicer, a Servicer, the
      Depositor or an affiliate of the Depositor unless the Paying Agent is in an
      institutional trust department of the Paying Agent, (ii) must be authorized
      to
      exercise corporate trust powers under the laws of its jurisdiction of
      organization and (iii) must be rated at least “A/F1” by Fitch, if Fitch is a
      Rating Agency that has rated the Paying Agent, or the equivalent rating by
      S&P. If no successor Paying Agent shall have been appointed and shall have
      accepted appointment within 60 days after the Paying Agent ceases to be the
      Paying Agent pursuant to this Section 3.08, then the Securities Administrator
      shall perform the duties of the Paying Agent pursuant to this Agreement. The
      Securities Administrator shall notify the Rating Agencies of any change of
      Paying Agent.

    

    Section
      3.09. Book-Entry
      Certificates.

    

    (i) Each
      Class of Book-Entry Certificates, upon original issuance, shall be issued in
      the
      form of one or more typewritten Certificates representing the Book-Entry
      Certificates, to be delivered to The Depository Trust Company, or its custodian,
      the initial Clearing Agency, by, or on behalf of, the Depositor. The Book-Entry
      Certificates shall initially be registered on the Certificate Register in the
      name of the nominee of the Clearing Agency, and no Certificate Owner will
      receive a definitive certificate representing such Certificate Owner’s interest
      in the Book-Entry Certificates, except as provided in Section 3.09(c). Unless
      Definitive Certificates have been issued to Certificate Owners of Book-Entry
      Certificates pursuant to Section 3.09(c):

    

    
      
        
        

      

      
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    (ii) the
      provisions of this Section 3.09 shall be in full force and effect;

    

    (iii) the
      Depositor, the Master Servicer, the Paying Agent, the Certificate Registrar,
      the
      Securities Administrator and the Trustee may deal with the Clearing Agency
      for
      all purposes (including the making of distributions on the Book-Entry
      Certificates) as the authorized representatives of the Certificate Owners and
      the Clearing Agency shall be responsible for crediting the amount of such
      distributions to the accounts of such Persons entitled thereto, in accordance
      with the Clearing Agency’s normal procedures;

    

    (iv) to
      the
      extent that the provisions of this Section 3.09 conflict with any other
      provisions of this Agreement, the provisions of this Section 3.09 shall control;
      and

    

    (v) the
      rights of Certificate Owners shall be exercised only through the Clearing Agency
      and the Clearing Agency Participants and shall be limited to those established
      by law and agreements between such Certificate Owners and the Clearing Agency
      and/or the Clearing Agency Participants. Unless and until Definitive
      Certificates are issued pursuant to Section 3.09(c), the initial Clearing Agency
      will make book-entry transfers among the Clearing Agency Participants and
      receive and transmit distributions of principal of and interest on the
      Book-Entry Certificates to such Clearing Agency Participants.

    

    (b) Whenever
      notice or other communication to the Certificateholders is required under this
      Agreement, unless and until Definitive Certificates shall have been issued
      to
      Certificate Owners pursuant to Section 3.09(c), the Securities Administrator
      shall give all such notices and communications specified herein to be given
      to
      Holders of the Book-Entry Certificates to the Clearing Agency.

    

    (c) If
      (i)
      (A) the Depositor advises the Securities Administrator in writing that the
      Clearing Agency is no longer willing or able to discharge properly its
      responsibilities with respect to the Book-Entry Certificates, and (B) the
      Securities Administrator or the Depositor is unable to locate a qualified
      successor or (ii) after the occurrence of an Event of Default, Certificate
      Owners representing beneficial interests aggregating not less than 50% of the
      Class Principal Amount (or Class Notional Amount) of a Class of Book-Entry
      Certificates identified as such to the Securities Administrator by an Officer’s
      Certificate from the Clearing Agency advise the Securities Administrator and
      the
      Clearing Agency through the Clearing Agency Participants in writing that the
      continuation of a book-entry system through the Clearing Agency is no longer
      in
      the best interests of the Certificate Owners of a Class of Book-Entry
      Certificates, the Securities Administrator shall notify or cause the Certificate
      Registrar to notify the Clearing Agency to effect notification to all
      Certificate Owners, through the Clearing Agency, of the occurrence of any such
      event and of the availability of Definitive Certificates to Certificate Owners
      requesting the same. Upon surrender to the Securities Administrator of the
      Book-Entry Certificates by the Clearing Agency, accompanied by registration
      instructions from the Clearing Agency for registration, the Securities
      Administrator shall issue the Definitive Certificates. Neither the Transferor
      nor the Securities Administrator shall be liable for any delay in delivery
      of
      such instructions and may conclusively rely on, and shall be protected in
      relying on, such instructions. Upon the issuance of Definitive Certificates
      all
      references herein to obligations imposed upon or to be performed by the Clearing
      Agency shall be deemed to be imposed upon and performed by the Securities
      Administrator, to the extent applicable, with respect to such Definitive
      Certificates and the Securities Administrator shall recognize the holders of
      the
      Definitive Certificates as Certificateholders hereunder. None of the Seller,
      the
      Depositor, the Underwriter, the Master Servicer or the Securities Administrator
      shall have any responsibility for any aspect of the records relating to or
      payments made on account of beneficial ownership interests of the Book Entry
      Certificates held by the Clearing Agency or for maintaining, supervising or
      reviewing any records relating to such beneficial ownership interests.

    

    
      
        
        

      

      
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    Section
      3.10. Deposit
      of Underlying REMIC Certificates under the Exchange Trust
      Agreement.

    

    The
      Underlying REMIC Certificates shall be issued in uncertificated form to the
      Underwriter and transferred by the Underwriter to the Securities Administrator
      (as custodian for the Exchange Trustee) to be held in trust pursuant to terms
      of
      the Exchange Trust Agreement.

    

    ARTICLE
      IV

    

    ADMINISTRATION
      OF THE TRUST FUND

    

    Section
      4.01. Collection
      Account.

    

    (a) On
      the
      Closing Date, the Master Servicer shall open and shall thereafter maintain
      a
      segregated account held in trust (the “Collection Account”), entitled, “Aurora
      Loan Services LLC, as Master Servicer, in trust for the benefit of the Holders
      of Lehman Mortgage Trust Mortgage Pass-Through Certificates, Series 2007-10.”
The Collection Account shall relate solely to the Certificates issued by the
      Trust Fund hereunder, and funds in such Collection Account shall not be
      commingled with any other monies.

    

    (b) The
      Collection Account shall be an Eligible Account. If an existing Collection
      Account ceases to be an Eligible Account, the Master Servicer shall establish
      a
      new Collection Account that is an Eligible Account within 30 days and transfer
      all funds on deposit in such existing Collection Account into such new
      Collection Account.

    

    (c) The
      Master Servicer shall give to the Trustee and the Securities Administrator
      prior
      written notice of the name and address of the depository institution at which
      the Collection Account is maintained and the account number of such Collection
      Account. No later than 2:00 p.m. New York City time on each Master Servicer
      Remittance Date, the entire amount on deposit in the Collection Account (subject
      to permitted withdrawals set forth in Section 4.02), excluding any amounts
      that
      are not included in the Available Distribution Amount for such Distribution
      Date
      (other than amounts due or reimbursable to the Securities Administrator or
      the
      Trustee or Custodians pursuant to this Agreement), shall be remitted to the
      Securities Administrator for deposit into the Certificate Account by wire
      transfer in immediately available funds. The Master Servicer, at its option
      and
      with prior notice to the Securities Administrator, may choose to make daily
      remittances from the Collection Account to the Securities Administrator for
      deposit into the Certificate Account.

    

    
      
        
        

      

      
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    (d) The
      Master Servicer shall deposit or cause to be deposited into the Collection
      Account, no later than two Business Days following the Closing Date, any amounts
      representing Scheduled Payments (or in the case of any Simple Interest Mortgage
      Loans, representing actual principal payments, and not scheduled interest
      payments) on the Mortgage Loans due after the Cut-off Date and received by
      the
      Master Servicer on or before the Closing Date. Thereafter, the Master Servicer
      shall deposit or cause to be deposited in the Collection Account on the earlier
      of the applicable Master Servicer Remittance Date and two Business Days
      following receipt thereof, the following amounts received or payments made
      by it
      (other than in respect of principal of and interest on the Mortgage Loans due
      on
      or before the Cut-off Date):

    

    (i) all
      payments on account of principal, including Principal Prepayments and late
      collections, as indicated in the Mortgage Loan Schedule, on the Mortgage
      Loans;

    

    (ii) all
      payments on account of interest including Prepayment Penalty Amounts on the
      Mortgage Loans (other than payments due prior to the Cut-off Date), net of
      the
      applicable Servicing Fee and Master Servicing Fee with respect to each such
      Mortgage Loan, but only to the extent of the amount permitted to be withdrawn
      or
      withheld from the Collection Account in accordance with Sections 5.04 and
      9.21;

    

    (iii) any
      unscheduled payment or other recovery with respect to a Mortgage Loan not
      otherwise specified in this paragraph (d), including any Subsequent Recovery,
      all Net Liquidation Proceeds with respect to the Mortgage Loans and REO
      Property, and all amounts received in connection with the operation of any
      REO
      Property, net of any unpaid Servicing Fees and Master Servicing Fees with
      respect to such Mortgage Loans, but only to the extent of the amount permitted
      to be withdrawn or withheld from the Collection Account in accordance with
      Sections 5.04 and 9.21; provided
      that if
      the applicable Servicer is also the Retained Interest Holder with respect to
      any
      Mortgage Loan, payments on account of interest on the Mortgage Loans as to
      which
      such Servicer is the Retained Interest Holder may also be made net of the
      related Retained Interest with respect to each such Mortgage Loan.

    

    (iv) all
      Insurance Proceeds;

    

    (v) all
      Advances made by the Master Servicer or any Servicer pursuant to Section 5.04
      or
      the applicable Servicing Agreement; 

    

    (vi) all
      proceeds of any Mortgage Loan purchased by any Person and any Substitution
      Amounts related to any Qualifying Substitute Mortgage Loan; and

    

    
      
        
        

      

      
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    (vii) all
      amounts paid by any Servicer with respect to Net Simple Interest Shortfalls
      and
      Prepayment Interest Shortfalls.

    

    (e) Funds
      in
      the Collection Account may be invested in Eligible Investments (selected by
      and
      at the written direction of the Master Servicer) which shall mature not later
      than the earlier of (a) the Master Servicer Remittance Date or (b) the day
      on
      which the funds in such Collection Account are required to be remitted to the
      Securities Administrator for deposit into the Certificate Account, and any
      such
      Eligible Investment shall not be sold or disposed of prior to its maturity.
      All
      such Eligible Investments shall be made in the name of the Master Servicer
      in
      trust for the benefit of the Trustee and Holders of the Certificates. All income
      and gain realized from any such investment shall be for the benefit of the
      Master Servicer as compensation and shall be subject to its withdrawal on order
      from time to time, and shall not be part of the Trust Fund. The amount of any
      losses incurred in respect of any such investments shall be deposited in the
      Collection Account by the Master Servicer out of its own funds, without any
      right of reimbursement therefor, immediately as realized. The foregoing
      requirements for deposit in the Collection Account are exclusive, it being
      understood and agreed that, without limiting the generality of the foregoing,
      payments of interest on funds in the Collection Account and payments in the
      nature of late payment charges or assumption fees need not be deposited by
      the
      Master Servicer in the Collection Account and may be retained by the Master
      Servicer or the applicable Servicer as additional servicing compensation. If
      the
      Master Servicer deposits in the Collection Account any amount not required
      to be
      deposited therein, it may at any time withdraw such amount from the Collection
      Account. 

    

    Section
      4.02. Application
      of Funds in the Collection Account.

    

    The
      Master Servicer may, from time to time, make, or cause to be made, withdrawals
      from the Collection Account for the following purposes:

    

    (i) to
      reimburse itself or any Servicer for Advances (excluding Capitalization
      Reimbursement Amounts) made by it or by such Servicer pursuant to Section 5.04
      or the applicable Servicing Agreement; provided,
      however,
      that the
      Master Servicer’s right to reimburse itself pursuant to this subclause is
      limited to amounts received on or in respect of particular Mortgage Loans
      (including, for this purpose, Liquidation Proceeds and amounts representing
      Insurance Proceeds with respect to the property subject to the related Mortgage)
      which represent late recoveries (net of the applicable Servicing Fee and the
      Master Servicing Fee) of payments of principal or interest respecting which
      any
      such Advance was made; provided,
      further,
      that
      following the final liquidation of a Mortgage Loan, the Master Servicer may
      reimburse itself for previously unreimbursed Advances in excess of Liquidation
      Proceeds or Insurance Proceeds with respect to such Mortgage Loans from any
      funds in the Collection Account, it being understood, in the case of any such
      reimbursement, that the Master Servicer’s or Servicer’s right thereto shall be
      prior to the rights of the Certificateholders;

    

    
      
        
        

      

      
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    (ii) to
      reimburse itself or any Servicer for any Servicing Advances made by it or by
      such Servicer that it or such Servicer determines in good faith will not be
      recoverable from amounts representing late recoveries of payments of principal
      or interest respecting the particular Mortgage Loan as to which such Servicing
      Advance was made or from Liquidation Proceeds or Insurance Proceeds with respect
      to such Mortgage Loan, it being understood, in the case of any such
      reimbursement, that such Master Servicer’s or Servicer’s right thereto shall be
      prior to the rights of the Certificateholders;

    

    (iii) to
      reimburse itself or any Servicer from Liquidation Proceeds for Liquidation
      Expenses and for amounts expended by it pursuant to Sections 9.20 and 9.22(a)
      or
      the applicable Servicing Agreement in good faith in connection with the
      restoration of damaged property and, to the extent that Liquidation Proceeds
      after such reimbursement exceed the unpaid principal balance of the related
      Mortgage Loan, together with accrued and unpaid interest thereon at the
      applicable Mortgage Rate less the applicable Servicing Fee and the Master
      Servicing Fee for such Mortgage Loan to the Due Date next succeeding the date
      of
      its receipt of such Liquidation Proceeds, to pay to itself out of such excess
      the amount of any unpaid assumption fees, late payment charges or other
      Mortgagor charges on the related Mortgage Loan and to retain any excess
      remaining thereafter as additional servicing compensation, it being understood,
      in the case of any such reimbursement or payment, that such Master Servicer’s or
      Servicer’s right thereto shall be prior to the rights of the
      Certificateholders;

    

    (iv) to
      reimburse itself or any Servicer for expenses incurred by and recoverable by
      or
      reimbursable to it or such Servicer pursuant to Section 9.04, 9.05, 9.06, 9.16
      or 9.22(a) or pursuant to the applicable Servicing Agreement, and to reimburse
      itself for any expenses reimbursable to it pursuant to Section
      10.01(c);

    

    (v) to
      pay to
      the applicable Person, with respect to each Mortgage Loan or REO Property
      acquired in respect thereof that has been repurchased by such Person pursuant
      to
      this Agreement, all amounts received thereon and not distributed on the date
      on
      which the related repurchase was effected, and to pay to the applicable Person
      any Advances and Servicing Advances to the extent specified in the definition
      of
      Purchase Price;

    

    (vi) to
      pay to
      itself income earned on the investment of funds deposited in the Collection
      Account;

    

    (vii) to
      make
      payments to the Securities Administrator for deposit into the Certificate
      Account in the amounts and in the manner provided for in Section
      4.01(c);

    

    (viii) to
      make
      distributions of any Retained Interest to the Retained Interest Holder on each
      Distribution Date (other than any Retained Interest not deposited into the
      Collection Account in accordance with Section 4.01(d)(iii));

    

    (ix) to
      make
      payment to itself, the Securities Administrator, the Trustee and others pursuant
      to any provision of this Agreement;

    

    
      
        
        

      

      
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    (x) to
      withdraw funds deposited in error in the Collection Account;

    

    (xi) to
      clear
      and terminate the Collection Account pursuant to Section 7.02; 

    

    (xii) to
      reimburse a successor Master Servicer (solely in its capacity as successor
      Master Servicer), for any fee or advance occasioned by a termination of the
      Master Servicer, and the assumption of such duties by the Securities
      Administrator or a successor Master Servicer appointed by the Securities
      Administrator pursuant to Section 6.14, in each case to the extent not
      reimbursed by the terminated Master Servicer, it being understood, in the case
      of any such reimbursement or payment, that the right of the Master Servicer
      or
      the Securities Administrator thereto shall be prior to the rights of the
      Certificateholders; 

    

    (xiii) to
      reimburse any Servicer for such amounts as are due thereto under the applicable
      Servicing Agreement (including, without limitation, Advances and, without
      duplication, any Capitalization Reimbursement Amounts) and have not been
      retained by or paid to such Servicer to the extent provided in such Servicing
      Agreement; 

    

    (xiv) to
      the
      extent of any previous Advances made by the Master Servicer with respect to
      Simple Interest Mortgage Loans, to pay itself (or the applicable Servicer)
      an
      amount equal to Net Simple Interest Excess for the related Collection Period
      to
      the extent not offset by Net Simple Interest Shortfalls; and

    

    (xv) to
      reimburse itself for any unreimbursed Capitalization Reimbursement Amounts
      made
      by it pursuant to Section 5.04 solely from collections on account of principal
      in the related Mortgage Pool.

    

    In
      the
      event that the Master Servicer fails on any Master Servicer Remittance Date
      to
      remit to the Securities Administrator any amounts required to be so remitted
      to
      the Securities Administrator pursuant to subclause (vii) on such date, the
      Master Servicer shall pay the Securities Administrator, for the account of
      the
      Securities Administrator, interest calculated at the “prime rate” (as published
      in the “Money Rates” section of The Wall Street Journal) on such amounts not
      timely remitted for the period from and including that Master Servicer
      Remittance Date through the date such funds are remitted to and received by
      the
      Securities Administrator.

    

    In
      connection with withdrawals pursuant to subclauses (i), (iii), (iv) and (vi)
      above, the Master Servicer’s or Servicer’s entitlement thereto is limited to
      collections or other recoveries on the related Mortgage Loan, except as provided
      herein. The Master Servicer shall therefore keep and maintain a separate
      accounting for each Mortgage Loan it master services for the purpose of
      justifying any withdrawal from the Collection Account it maintains pursuant
      to
      subclauses (i), (iii), (iv) and (vi) above.

    

    Section
      4.03. Reports
      to Certificateholders.

    

    (a) On
      each
      Distribution Date on or prior to a Section 7.01(c) Purchase Event or a Trust
      Fund Termination Event, the Securities Administrator shall prepare (based on
      information provided by the Master Servicer (other than item (xvi) below, which
      shall be determined solely by the Securities Administrator)) and shall make
      available to each Certificateholder, the Trustee and each Rating Agency a report
      (the “Distribution Date Statement”), setting forth the following information (on
      the basis of Mortgage Loan level information obtained from the Master Servicer
      (other than with respect to item (xiv) below)):

    

    
      
        
        

      

      
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    (i) the
      aggregate amount of the distribution to be made on such Distribution Date to
      the
      Holders of each Class of Certificates, other than any Class of Notional
      Certificates, and in respect of any Component, to the extent applicable,
      allocable to principal on the Mortgage Loans, including any Subsequent Recovery,
      Liquidation Proceeds and Insurance Proceeds, stating separately the amount
      attributable to scheduled principal payments and unscheduled payments in the
      nature of principal in each Mortgage Pool;

    

    (ii) the
      aggregate amount of the distribution to be made on such Distribution Date to
      the
      Holders of each Class of Certificates, other than the Principal-Only
      Certificates, and in respect of any Component, allocable to interest, including
      any Accrual Amount added to the Class Principal Amount of any Class of Accrual
      Certificates;

    

    (iii) the
      amount, if any, of any distribution to the Holders of a Residual
      Certificate;

    

    (iv) for
      each
      Collateral Group and in the aggregate, (A) the aggregate amount of any
      Advances required to be made as of the end of the month immediately preceding
      the month in which such Distribution Date occurs by or on behalf of the Master
      Servicer or a Servicer (or the Securities Administrator solely in its capacity
      as successor Master Servicer) with respect to such Distribution Date,
      (B) the aggregate amount of such Advances actually made, and (C) the
      amount, if any, by which (A) above exceeds (B) above;

    

    (v) the
      Aggregate Principal Balance of the Mortgage Loans and the Non-AP Pool Balance
      of
      each Mortgage Pool for such Distribution Date, after giving effect to payments
      allocated to principal reported under clause (i) above;

    

    (vi) the
      Class
      Principal Amount (or Class Notional Amount) of each Class of Certificates,
      to
      the extent applicable, and the Component Principal Amount or Component Notional
      Amount, as applicable, of each Component as of such Distribution Date after
      giving effect to payments allocated to principal reported under clause (i)
      above
      (and to the addition of any Accrual Amount in the case of any Class of Accrual
      Certificates), separately identifying any reduction of any of the foregoing
      Certificate Principal Amounts, Component Principal Amounts or Component Notional
      Amounts due to Realized Losses;

    

    (vii) for
      each
      Collateral Group and in the aggregate, any Realized Losses realized with respect
      to the Mortgage Loans (x) in the applicable Prepayment Period and (y) in the
      aggregate since the Cut-off Date, stating separately the amount of Special
      Hazard Losses, Fraud Losses and Bankruptcy Losses and the aggregate amount
      of
      such Realized Losses, and the remaining Special Hazard Loss Amount, Fraud Loss
      Amount and Bankruptcy Loss Amount;

    

    
      
        
        

      

      
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    (viii) the
      amount of the Master Servicing Fees and Servicing Fees paid during the Due
      Period to which such distribution relates;

    

    (ix) the
      number and aggregate outstanding principal balance of Mortgage Loans, as
      reported to the Securities Administrator by the Master Servicer,
      (a) remaining outstanding, (b) delinquent 30 to 59 days,
      (c) delinquent 60 to 89 days, (d) delinquent 90 or more days,
      (e) as to which foreclosure proceedings have been commenced, all as of the
      close of business on the last Business Day of the calendar month immediately
      before the month in which that Distribution Date occurs, (f) in bankruptcy,
      (g) that are REO Properties, (h) that are Charged-off Loans and
      (i) that are Released Mortgage Loans (the information in this item (ix)
      will be calculated using the MBA delinquency method);

    

    (x) the
      deemed principal balance of each REO Property as of the close of business on
      the
      last Business Day of the calendar month immediately preceding the month in
      which
      such Distribution Date occurs;

    

    (xi) with
      respect to any Mortgage Loan that became an REO Property during the preceding
      calendar month, the principal balance of such Mortgage Loan and the number
      of
      such Mortgage Loans as of the close of business on the last Business Day of
      the
      calendar month immediately preceding the month in which such Distribution Date
      occurs;

    

    (xii) with
      respect to substitution of Mortgage Loans in the preceding calendar month,
      the
      Scheduled Principal Balance of each Deleted Mortgage Loan, and of each
      Qualifying Substitute Mortgage Loan;

    

    (xiii) the
      aggregate outstanding Interest Shortfalls and Net Prepayment Interest
      Shortfalls, if any, for each Class of Certificates, after giving effect to
      distributions made on such Distribution Date;

    

    (xiv) the
      Certificate Interest Rate or Component Interest Rate applicable to such
      Distribution Date with respect to each Class of Certificates and each Component,
      respectively;

    

    (xv) if
      applicable, the amount of any shortfall (i.e., the difference between the
      aggregate amounts of principal and interest which Certificateholders would
      have
      received if there were sufficient available amounts in the Certificate Account
      and the amounts actually distributed);

    

    (xvi) a
      statement as to whether any exchanges of Exchangeable Certificates or Exchange
      Certificates have taken place since the preceding Distribution Date, and, if
      applicable, the Class of Certificates, certificate balances, including notional
      balances, certificate interest rates, and any interest and principal paid,
      including any shortfalls allocated, of any classes of certificates that were
      received by the Certificateholder as a result of such exchange; and

    

    
      
        
        

      

      
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    (xvii) the
      amounts of any Prepayment Penalty Amounts allocated to the Class P Certificates
      for that Distribution Date.

    

    In
      addition to the information listed above, for every year in which the Depositor
      is subject to Exchange Act reporting with respect to the Certificates, such
      Distribution Date Statement shall also include, to the extent that the
      Securities Administrator shall have received any such information from the
      Depositor, the Sponsor, the Master Servicer or the Servicer, as applicable,
      no
      later than four Business Days prior to the related Distribution Date,
      such
      other information as is required by Form 10-D, including, but not limited to,
      the information required by Item 1121 (§ 229.1121) of Regulation AB,
other
      than those data elements specified in Item 1121(a)(11), (12) and (14) for as
      long as reports on Form 10-D are required to be filed by the Securities
      Administrator pursuant to Section 6.20.

    

    In
      addition, on each Distribution Date the Master Servicer shall provide to the
      Securities Administrator the Modified Loan Report in the form of Exhibit U
      and
      the Securities Administrator shall make available on the Securities
      Administrator’s internet website a copy of such Modified Loan Report (based
      solely on information provided by the Master Servicer) containing data provided
      to the Securities Administrator by the Master Servicer, available to those
      who
      are permitted to access the website, including the Rating Agencies. The
      Securities Administrator and the Master Servicer will negotiate in good faith
      with the Rating Agencies to reach agreement on the reporting of any additional
      information concerning loan modifications to be included in the Distribution
      Date Statement.

    

    In
      the
      case of information furnished pursuant to subclauses (i), (ii) and (vii) above,
      the amounts shall be expressed as a dollar amount per $1,000 of original
      principal amount of Certificates.

    

    On
      any
      Distribution Date after the occurrence of a Section 7.01(c) Purchase Event,
      the
      information required by subclauses (i), (iii), (iv), (v), (vii), (viii), (ix),
      (x), (xi), (xii) and (xvi) shall be provided to the Trustee, the Holder of
      the
      LT-R Certificate and the LTURI holder with regard to the Lower Tier REMIC I
      Uncertificated Regular Interests in lieu of the Certificates.

    

    The
      Securities Administrator shall make such report and any additional loan level
      information (and, at its option, any additional files containing the same
      information in an alternative format) available each month to the Trustee,
      the
      Certificateholders and the Rating Agencies via the Securities Administrator’s
      internet website. The Securities Administrator’s internet website shall
      initially be located at “www.ctslink.com.” Assistance in using the website can
      be obtained by calling the Securities Administrator’s customer service desk at
      1-301-815-6600. Such parties that are unable to use the website are entitled
      to
      have a paper copy mailed to them via first class mail by calling the customer
      service desk and indicating such. The Securities Administrator shall have the
      right to change the way such statements are distributed in order to make such
      distribution more convenient and/or more accessible to the above parties and
      the
      Securities Administrator shall provide timely and adequate notification to
      all
      above parties regarding any such changes.

    

    
      
        
        

      

      
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    The
      foregoing information and reports shall be prepared and determined by the
      Securities Administrator based on Mortgage Loan data provided to the Securities
      Administrator by the Master Servicer (in a format attached hereto as Exhibit
      V
      or in such other format mutually agreed to by the Securities Administrator
      and
      the Master Servicer) no later than 2:00 p.m. Eastern Time four Business Days
      prior to the Distribution Date (or such other time period set forth in Section
      9.23(b)). In preparing or furnishing Mortgage Loan data to the Securities
      Administrator, the Master Servicer shall be entitled to rely conclusively on
      the
      accuracy of the information or data regarding the Mortgage Loans and the related
      REO Property that has been provided to the Master Servicer by each Servicer,
      and
      the Master Servicer shall not be obligated to verify, recompute, reconcile
      or
      recalculate any such information or data and shall have no liability for any
      errors in such Mortgage Loan data. In preparing or furnishing the foregoing
      information to the Trustee and the Certificateholders, the Securities
      Administrator shall be entitled to rely conclusively on the accuracy and
      completeness of the information and data regarding the Mortgage Loans and the
      related REO Property that has been provided to the Securities Administrator
      by
      the Master Servicer and shall have no liability for any errors or omissions
      in
      such Mortgage Loan data. 

    

    (b) Upon
      the
      reasonable advance written request of any Certificateholder that is a savings
      and loan, bank or insurance company, which request, if received by the Trustee
      or the Securities Administrator, will be promptly forwarded to the Master
      Servicer, the Master Servicer shall provide, or cause to be provided, (or,
      to
      the extent that such information or documentation is not required to be provided
      by a Servicer under the applicable Servicing Agreement, shall use reasonable
      efforts to obtain such information and documentation from such Servicer, and
      provide) to such Certificateholder such reports and access to information and
      documentation regarding the Mortgage Loans as such Certificateholder may
      reasonably deem necessary to comply with applicable regulations of the Office
      of
      Thrift Supervision or its successor or other regulatory authorities with respect
      to investment in the Certificates; provided,
      however,
      that
      the Master Servicer shall be entitled to be reimbursed by such Certificateholder
      for such Master Servicer’s actual expenses incurred in providing such reports
      and access.

    

    (c) Within
      90
      days, or such shorter period as may be required by statute or regulation, after
      the end of each calendar year, the Securities Administrator shall make available
      to each Person who at any time during the calendar year was a Certificateholder
      of record, a report summarizing the items provided to Certificateholders
      pursuant to Section 4.03(a)(i) and (ii) on an annual basis as may be required
      to
      enable such Holders to prepare their federal income tax returns. Such
      information shall include the amount of original issue discount accrued on
      each
      Class of Certificates and information regarding the expenses of the Trust Fund.
      The Securities Administrator shall be deemed to have satisfied this requirement
      if it forwards such information in any other format permitted by the Code.
      The
      Master Servicer shall provide the Securities Administrator with such information
      (to the extent available to the Master Servicer pursuant to this Agreement
      and
      each Servicing Agreement) as is necessary for the Securities Administrator
      to
      prepare such reports (and the Securities Administrator may rely solely upon
      such
      information).

    

    
      
        
        

      

      
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    (d) The
      Securities Administrator shall, to the extent reasonably available, furnish
      any
      other information that is required by the Code and regulations thereunder to
      be
      made available to Certificateholders. The Master Servicer shall, to the extent
      reasonably available, provide the Securities Administrator with such information
      as is necessary for the Securities Administrator to prepare such reports (and
      the Securities Administrator may rely solely upon such
      information).

    

    (e) So
      long
      as not prohibited by applicable law, the Master Servicer shall provide to the
      Depositor or to any party designated by the Depositor, as promptly as
      practicable upon the Depositor’s request, any and all loan-level information
      that the Depositor may request in any format reasonably requested by the
      Depositor.

    

    Section
      4.04. Certificate
      Account.

    

    (a) The
      Securities Administrator shall establish and maintain in its name, as securities
      administrator, a trust account (the “Certificate Account”), entitled
“Certificate Account, Wells Fargo Bank, N.A., as Securities Administrator, in
      trust for the benefit of the Holders of Lehman Mortgage Trust Mortgage
      Pass-Through Certificates, Series 2007-10” until disbursed pursuant to the terms
      of this Agreement. The Certificate Account shall be an Eligible Account. If
      the
      existing Certificate Account ceases to be an Eligible Account, the Securities
      Administrator shall establish a new Certificate Account that is an Eligible
      Account within 30 calendar days and transfer all funds on deposit in such
      existing Certificate Account into such new Certificate Account. The Certificate
      Account shall relate solely to the Certificates issued hereunder and funds
      in
      the Certificate Account shall be held separate and apart from and shall not
      be
      commingled with any other monies including, without limitation, other monies
      of
      the Securities Administrator held under this Agreement.

    

    (b) The
      Securities Administrator shall cause to be deposited into the Certificate
      Account on the day on which, or, if such day is not a Business Day, the Business
      Day immediately following the day on which, any monies are remitted by the
      Master Servicer to the Securities Administrator, all such amounts. 

    

    (c) The
      Securities Administrator shall make withdrawals from the Certificate Account
      only for the following purposes:

    

    (i) to
      withdraw amounts deposited in the Certificate Account in error;

    

    (ii) to
      pay
      itself any investment income earned with respect to funds in the Certificate
      Account invested in Eligible Investments as set forth in subsection (d) below,
      and to make payments to itself, the Trustee or the Custodians prior to making
      distributions pursuant to Section 5.02 for any expenses or other indemnification
      owing to the Securities Administrator, the Trustee and others pursuant to any
      provision of this Agreement or the Custodial Agreements;

    

    (iii) to
      make
      payments of the Master Servicing Fee (to the extent not already withheld or
      withdrawn from the Collection Account by the Master Servicer) to the Master
      Servicer;

    

    
      
        
        

      

      
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    (iv) to
      make
      distributions to the Certificateholders pursuant to Article V; and

    

    (v) to
      clear
      and terminate the Certificate Account pursuant to Section 7.02.

    

    (d) The
      Securities Administrator may invest, or cause to be invested, funds held in
      the
      Certificate Account, which funds, if invested, shall be invested in Eligible
      Investments (which may be obligations of the Securities Administrator or its
      affiliates described in paragraph (viii) of the definition thereof). All such
      investments must be payable on demand or mature no later than the next
      Distribution Date, and shall not be sold or disposed of prior to their maturity.
      All such Eligible Investments will be made in the name of the Securities
      Administrator (in its capacity as such) or its nominee. All income and gain
      realized from any such investment shall be compensation for the Securities
      Administrator and shall be subject to its withdrawal on order from time to
      time.
      The amount of any losses incurred in respect of any such investments shall
      be
      paid by the Securities Administrator for deposit in the Certificate Account
      out
      of its own funds, without any right of reimbursement therefor, immediately
      as
      realized. Funds held in the Certificate Account that are not invested shall
      be
      held uninvested.

    

    ARTICLE
      V

    

    DISTRIBUTIONS
      TO HOLDERS OF CERTIFICATES

    

    Section
      5.01. Distributions
      Generally.

    

    (a) Subject
      to Section 7.01 respecting (a) the final distribution on the Certificates and
      (b) distributions on the Lower Tier REMIC I Uncertificated Regular Interests,
      on
      each Distribution Date the Securities Administrator or the Paying Agent shall
      make distributions in accordance with this Article V. Such distributions shall
      be made by wire transfer if the Certificateholder has provided the Securities
      Administrator with wire instructions or by check mailed to the address of such
      Certificateholder as it appears in the books of the Securities Administrator
      if
      the Certificateholder has not provided the Securities Administrator with wire
      instructions in immediately available funds to an account specified in the
      request and at the expense of such Certificateholder; provided,
      however,
      that the
      final distribution in respect of any Certificate shall be made only upon
      presentation and surrender of such Certificate at the applicable Corporate
      Trust
      Office; provided,
      further,
      that the
      foregoing provisions shall not apply to any Class of Certificates as long as
      such Certificate remains a Book-Entry Certificate in which case all payments
      made shall be made through the Clearing Agency and its Clearing Agency
      Participants. Notwithstanding such final distribution of principal of any of
      the
      Certificates, each Residual Certificate will remain outstanding until the
      termination of each related REMIC and the payment in full of all other amounts
      due with respect to such Residual Certificate and at such time such final
      payment in retirement of any such Residual Certificate will be made only upon
      presentation and surrender of such Certificate at the Corporate Trust Office
      of
      the Securities Administrator. If any payment required to be made on the
      Certificates or the Lower Tier REMIC I Uncertificated Regular Interests is
      to be
      made on a day that is not a Business Day, then such payment will be made on
      the
      next succeeding Business Day. 

    

    
      
        
        

      

      
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    (b) All
      distributions or allocations made with respect to Certificateholders within
      each
      Class on each Distribution Date shall be allocated among the outstanding
      Certificates in such Class equally in proportion to their respective initial
      Certificate Principal Amounts (or initial Notional Amounts).

    

    Section
      5.02. Distributions
      from the Certificate Account.

    

    (a) On
      each
      Distribution Date, the Securities Administrator (or the Paying Agent on behalf
      of the Securities Administrator) shall withdraw from the Certificate Account,
      the Available Distribution Amount with respect to each Collateral Group, and
      shall distribute such amount to the Holders of record of each Class of
      Certificates, in the following order of priority:

    

    (i) from
      the
      Available Distribution Amount for each Collateral Group, to payment of Accrued
      Certificate Interest on each Class of Senior Certificates (other than the
      Principal-Only Certificates) and any interest bearing Component relating to
      such
      Collateral Group (reduced, in each case, by any Net Prepayment Interest
      Shortfalls relating to such Collateral Group allocated to that Class of
      Certificates or component thereof on that Distribution Date, as described
      herein); provided,
      however,
      that
      any shortfall in available amounts for that Collateral Group shall be allocated
      among the related Classes of Senior Certificates and any such component related
      to that Collateral Group in proportion to the amount of such interest (as so
      reduced) that would otherwise be distributable thereon; 

    

    (ii) from
      the
      Available Distribution Amount for each Collateral Group, to payment of any
      outstanding Interest Shortfalls on each Class of Senior Certificates (other
      than
      the Principal-Only Certificates) and any interest-bearing Component thereof
      relating to that Collateral Group; provided,
      however,
      that any
      shortfall in available amounts for that Collateral Group shall be allocated
      among the related Classes of Senior Certificates and any such component related
      to that Collateral Group in proportion to the amount of such interest (as so
      reduced) that would otherwise be distributable thereon; 

    

    (iii) from
      the
      remaining Available Distribution Amount for each Collateral Group to the Senior
      Certificates (other than any related Notional Certificates) as set forth in
      the
      Senior Principal Priorities attached as Exhibit O hereto;

    

    (iv) from
      the
      remaining Available Distribution Amounts for the Collateral Groups,
      concurrently, as follows:

    

    (A) from
      the
      remaining Available Distribution Amounts for Collateral Groups 1 and 2, to
      the
      Class AP1 Certificates to the extent of the remaining Available Distribution
      Amounts for such Collateral Groups, any related AP Deferred Amount for such
      Class and Distribution Date, until the Certificate Principal Amount thereof
      has
      been reduced to zero; provided,
      however,
      that
      (A) distributions pursuant to this priority shall not exceed the aggregate
      Subordinate Principal Distribution Amount for such Collateral Groups for such
      date; and (B) such amounts will not reduce the Certificate Principal Amount
      of
      the Class AP1 Certificates;

    

    
      
        
        

      

      
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    (B) from
      the
      remaining Available Distribution Amounts for Collateral Groups 3A and 3B, to
      the
      Class AP2 Certificates to the extent of the remaining Available Distribution
      Amounts for such Collateral Groups, any related AP Deferred Amount for such
      Class and Distribution Date, until the Certificate Principal Amount thereof
      has
      been reduced to zero; provided,
      however,
      that
      (A) distributions pursuant to this priority shall not exceed the aggregate
      Subordinate Principal Distribution Amount for such Collateral Groups for such
      date; and (B) such amounts will not reduce the Certificate Principal Amount
      of
      the Class AP2 Certificates;

    

    (C) from
      the
      remaining Available Distribution Amounts for Collateral Group 4, to the Class
      AP3 Certificates to the extent of the remaining Available Distribution Amounts
      for such Collateral Groups, any related AP Deferred Amount for such Class and
      Distribution Date, until the Certificate Principal Amount thereof has been
      reduced to zero; provided,
      however,
      that
      (A) distributions pursuant to this priority shall not exceed the aggregate
      Subordinate Principal Distribution Amount for such Collateral Groups for such
      date; and (B) such amounts will not reduce the Certificate Principal Amount
      of
      the Class AP3 Certificates;

    

    (v) from
      the
      remaining Available Distribution Amounts for Collateral Groups 1 and 2, to
      the
      Group 1 Subordinate Certificates, subject to the prior distribution of amounts
      pursuant to Section 5.02(f), in the following order of priority:

    

    (A) to
      the
      Class 1B1 Certificates, the Accrued Certificate Interest thereon for such
      Distribution Date, as reduced by such Class’s allocable share of any Net
      Prepayment Interest Shortfalls for such Distribution Date;

    

    (B) to
      the
      Class 1B1 Certificates, any Interest Shortfall for such Class on such
      Distribution Date;

    

    (C) to
      the
      Class 1B1 Certificates, in reduction of the Class Principal Amount thereof,
      such
      Class’s Subordinate Class Percentage of the Subordinate Principal Distribution
      Amount for each such Collateral Group on such Distribution Date, except as
      provided in Section 5.02(d), until the Class Principal Amount thereof has been
      reduced to zero;

    

    (D) to
      the
      Class 1B2 Certificates, the Accrued Certificate Interest thereon for such
      Distribution Date, as reduced by such Class’s allocable share of any Net
      Prepayment Interest Shortfalls for such Distribution Date;

    

    
      
        
        

      

      
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    (E) to
      the
      Class 1B2 Certificates, any Interest Shortfall for such Class on such
      Distribution Date;

    

    (F) to
      the
      Class 1B2 Certificates, in reduction of the Class Principal Amount thereof,
      such
      Class’s Subordinate Class Percentage of the Subordinate Principal Distribution
      Amount for each such Collateral Group on such Distribution Date, except as
      provided in Section 5.02(d), until the Class Principal Amount thereof has been
      reduced to zero;

    

    (G) to
      the
      Class 1B3 Certificates, the Accrued Certificate Interest thereon for such
      Distribution Date, as reduced by such Class’s allocable share of any Net
      Prepayment Interest Shortfalls for such Distribution Date;

    

    (H) to
      the
      Class 1B3 Certificates, any Interest Shortfall for such Class on such
      Distribution Date;

    

    (I) to
      the
      Class 1B3 Certificates, in reduction of the Class Principal Amount thereof,
      such
      Class’s Subordinate Class Percentage of the Subordinate Principal Distribution
      Amount for each such Collateral Group on such Distribution Date, except as
      provided in Section 5.02(d), until the Class Principal Amount thereof has been
      reduced to zero;

    

    (J) to
      the
      Class 1B4 Certificates, the Accrued Certificate Interest thereon for such
      Distribution Date, as reduced by such Class’s allocable share of any Net
      Prepayment Interest Shortfalls for such Distribution Date;

    

    (K) to
      the
      Class 1B4 Certificates, any Interest Shortfall for such Class on such
      Distribution Date;

    

    (L) to
      the
      Class 1B4 Certificates, in reduction of the Class Principal Amount thereof,
      such
      Class’s Subordinate Class Percentage of the Subordinate Principal Distribution
      Amount for each such Collateral Group on such Distribution Date, except as
      provided in Section 5.02(d), until the Class Principal Amount thereof has been
      reduced to zero;

    

    (M) to
      the
      Class 1B5 Certificates, the Accrued Certificate Interest thereon for such
      Distribution Date, as reduced by such Class’s allocable share of any Net
      Prepayment Interest Shortfalls for such Distribution Date;

    

    (N) to
      the
      Class 1B5 Certificates, any Interest Shortfall for such Class on such
      Distribution Date;

    

    (O) to
      the
      Class 1B5 Certificates, in reduction of the Class Principal Amount thereof,
      such
      Class’s Subordinate Class Percentage of the Subordinate Principal Distribution
      Amount for each such Collateral Group on such Distribution Date, except as
      provided in Section 5.02(d), until the Class Principal Amount thereof has been
      reduced to zero;

    

    
      
        
        

      

      
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    (P) to
      the
      Class 1B6 Certificates, the Accrued Certificate Interest thereon for such
      Distribution Date, as reduced by such Class’s allocable share of any Net
      Prepayment Interest Shortfalls for such Distribution Date;

    

    (Q) to
      the
      Class 1B6 Certificates, any Interest Shortfall for such Class on such
      Distribution Date; and

    

    (R) to
      the
      Class 1B6 Certificates, in reduction of the Class Principal Amount thereof,
      such
      Class’s Subordinate Class Percentage of the Subordinate Principal Distribution
      Amount for each such Collateral Group on Distribution Date, except as provided
      in Section 5.02(d), until the Class Principal Amount thereof has been reduced
      to
      zero; and

    

    (vi) from
      the
      remaining Available Distribution Amount for Collateral Groups 3A, 3B and 4,
      to
      the Group 2 Subordinate Certificates, subject to the prior distribution of
      amounts pursuant to Section 5.02(g), in the following order of
      priority:

    

    (A) to
      the
      Class 2B1 Certificates, the Accrued Certificate Interest thereon for such
      Distribution Date, as reduced by such Class’s allocable share of any Net
      Prepayment Interest Shortfalls for such Distribution Date;

    

    (B) to
      the
      Class 2B1 Certificates, any Interest Shortfall for such Class on such
      Distribution Date;

    

    (C) to
      the
      Class 2B1 Certificates, in reduction of the Class Principal Amount thereof,
      such
      Class’s Subordinate Class Percentage of the Subordinate Principal Distribution
      Amount for each such Collateral Group on such Distribution Date, except as
      provided in Section 5.02(d), until the Class Principal Amount thereof has been
      reduced to zero;

    

    (D) to
      the
      Class 2B2 Certificates, the Accrued Certificate Interest thereon for such
      Distribution Date, as reduced by such Class’s allocable share of any Net
      Prepayment Interest Shortfalls for such Distribution Date;

    

    (E) to
      the
      Class 2B2 Certificates, any Interest Shortfall for such Class on such
      Distribution Date;

    

    (F) to
      the
      Class 2B2 Certificates, in reduction of the Class Principal Amount thereof,
      such
      Class’s Subordinate Class Percentage of the Subordinate Principal Distribution
      Amount for each such Collateral Group on such Distribution Date, except as
      provided in Section 5.02(d), until the Class Principal Amount thereof has been
      reduced to zero;

    

    
      
        
        

      

      
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    (G) to
      the
      Class 2B3 Certificates, the Accrued Certificate Interest thereon for such
      Distribution Date, as reduced by such Class’s allocable share of any Net
      Prepayment Interest Shortfalls for such Distribution Date;

    

    (H) to
      the
      Class 2B3 Certificates, any Interest Shortfall for such Class on such
      Distribution Date;

    

    (I) to
      the
      Class 2B3 Certificates, in reduction of the Class Principal Amount thereof,
      such
      Class’s Subordinate Class Percentage of the Subordinate Principal Distribution
      Amount for each such Collateral Group on such Distribution Date, except as
      provided in Section 5.02(d), until the Class Principal Amount thereof has been
      reduced to zero;

    

    (J) to
      the
      Class 2B4 Certificates, the Accrued Certificate Interest thereon for such
      Distribution Date, as reduced by such Class’s allocable share of any Net
      Prepayment Interest Shortfalls for such Distribution Date;

    

    (K) to
      the
      Class 2B4 Certificates, any Interest Shortfall for such Class on such
      Distribution Date;

    

    (L) to
      the
      Class 2B4 Certificates, in reduction of the Class Principal Amount thereof,
      such
      Class’s Subordinate Class Percentage of the Subordinate Principal Distribution
      Amount for each such Collateral Group on such Distribution Date, except as
      provided in Section 5.02(d), until the Class Principal Amount thereof has been
      reduced to zero;

    

    (M) to
      the
      Class 2B5 Certificates, the Accrued Certificate Interest thereon for such
      Distribution Date, as reduced by such Class’s allocable share of any Net
      Prepayment Interest Shortfalls for such Distribution Date;

    

    (N) to
      the
      Class 2B5 Certificates, any Interest Shortfall for such Class on such
      Distribution Date;

    

    (O) to
      the
      Class 2B5 Certificates, in reduction of the Class Principal Amount thereof,
      such
      Class’s Subordinate Class Percentage of the Subordinate Principal Distribution
      Amount for each such Collateral Group on such Distribution Date, except as
      provided in Section 5.02(d), until the Class Principal Amount thereof has been
      reduced to zero; 

    

    (P) to
      the
      Class 2B6 Certificates, the Accrued Certificate Interest thereon for such
      Distribution Date, as reduced by such Class’s allocable share of any Net
      Prepayment Interest Shortfalls for such Distribution Date;

    

    
      
        
        

      

      
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    (Q) to
      the
      Class 2B6 Certificates, any Interest Shortfall for such Class on such
      Distribution Date; and

    

    (R) to
      the
      Class 2B6 Certificates, in reduction of the Class Principal Amount thereof,
      such
      Class’s Subordinate Class Percentage of the Subordinate Principal Distribution
      Amount for each such Collateral Group on Distribution Date, except as provided
      in Section 5.02(d), until the Class Principal Amount thereof has been reduced
      to
      zero.

    

    (b) Net
      Prepayment Interest Shortfalls for each Collateral Group shall be allocated
      among the Senior Certificates related to such Collateral Group (including any
      interest-bearing Component thereof and excluding the Principal-Only
      Certificates) and the Subordinate Certificates pro
      rata
      based on
      (i) in the case of the related Non-AP Senior Certificates (and any such
      Component), the Accrued Certificate Interest otherwise distributable thereon,
      and (ii) in the case of the Subordinate Certificates, interest accrued on the
      related Apportioned Principal Balances.

    

    (c) After
      the
      applicable Credit Support Depletion Date, the Senior Distribution Amount with
      respect to each Collateral Group (other than Collateral Groups PO1, PO2 and
      PO3)
      remaining after distribution of interest to the related Non-AP Senior
      Certificates on such date shall be distributed among the related Classes of
      Senior Certificates proportionately, on the basis of their respective Class
      Principal Amounts immediately prior to such Distribution Date, regardless of
      the
      priorities and amounts set forth in Section 5.02(a)(iii).

    

    (d) With
      respect to each Class of Subordinate Certificates (other than the Class 1B1
      or
      Class 2B1 Certificates), if on any Distribution Date the Credit Support
      Percentage for that Class is less than the Original Credit Support Percentage
      for such Class, then, notwithstanding anything to the contrary in Section
      5.02(a), no distribution of amounts described in clauses (ii) and (iii) of
      the
      definition of the related Subordinate Principal Distribution Amount will be
      made
      to any related Subordinate Certificates of lower priority. Any such amounts
      will
      be distributed proportionately to such Class of related Subordinate Certificates
      entitled to distributions in respect such clauses (ii) and (iii) of the
      definition of Subordinate Principal Distribution Amount on such date. Any amount
      not distributed in respect of any Class on any Distribution Date pursuant to
      the
      immediately preceding paragraph shall be allocated among the remaining Classes
      of related Subordinate Certificates in proportion to their respective Class
      Principal Amounts.

    

    (e) On
      each
      Distribution Date, the Securities Administrator shall distribute to the Holder
      of the Class R Certificate any amounts remaining in REMIC III for such
      Distribution Date after application of all amounts described in paragraph (a)
      of
      this Section 5.02. Any distributions pursuant to this paragraph (e) shall not
      reduce the Class Principal Amount of the Class R Certificate.

    

    
      
        
        

      

      
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    (f) On
      each
      Distribution Date prior to the related Credit Support Depletion Date but after
      the date on which the total Certificate Principal Amount of the Non-AP Senior
      Certificate or Certificates relating to Collateral Groups 1 or 2 have been
      reduced to zero, amounts otherwise distributable as principal on each Class
      of
      Group 1 Subordinate Certificates pursuant to Section 5.02(a)(v), in reverse
      order of priority, in respect of such Class’s Subordinate Class Percentage of
      the related Subordinate Principal Distribution Amount for the Collateral Group
      relating to such retired Certificates, shall be distributed as principal to
      such
      Non-AP Senior Certificates remaining outstanding pursuant to Section
      5.02(a)(iii) until the Class Principal Amounts thereof have been reduced to
      zero, provided
      that on
      such Distribution Date (a) the Aggregate Subordinate Percentage for Collateral
      Groups 1 or 2 for such Distribution Date is less than 200% of such Group 1
      Subordinate Percentage as of the Cut-off Date or (b) the average outstanding
      principal balance of the Mortgage Loans in any of Collateral Groups 1 or 2
      that
      are delinquent 60 days or more for the last six months (including for this
      purpose any REO Property or Mortgage Loans in foreclosure or bankruptcy and
      the
      Scheduled Payments that would have been due on Mortgage Loans with respect
      to
      which the related Mortgaged Property has been acquired by the Trust Fund if
      the
      related Mortgage Loan had remained in existence) as a percentage of the related
      Group Subordinate Amount is greater than or equal to 50%.

    

    (g) On
      each
      Distribution Date prior to the related Credit Support Depletion Date but after
      the date on which the total Certificate Principal Amount of the Non-AP Senior
      Certificate or Certificates relating to Collateral Groups 3A, 3B or 4 have
      been
      reduced to zero, amounts otherwise distributable as principal on each Class
      of
      Group 2 Subordinate Certificates pursuant to Section 5.02(a)(vi), in reverse
      order of priority, in respect of such Class’s Subordinate Class Percentage of
      the related Subordinate Principal Distribution Amount for the Collateral Group
      relating to such retired Certificates, shall be distributed as principal to
      such
      Non-AP Senior Certificates remaining outstanding pursuant to Section
      5.02(a)(iii) until the Class Principal Amounts thereof have been reduced to
      zero, provided
      that on
      such Distribution Date (a) the Aggregate Subordinate Percentage for Collateral
      Groups 3A, 3B or 4 for such Distribution Date is less than 200% of such Group
      2
      Subordinate Percentage as of the Cut-off Date or (b) the average outstanding
      principal balance of the Mortgage Loans in any of Collateral Groups 3A, 3B
      or 4
      that are delinquent 60 days or more for the last six months (including for
      this
      purpose any REO Property or Mortgage Loans in foreclosure or bankruptcy and
      the
      Scheduled Payments that would have been due on Mortgage Loans with respect
      to
      which the related Mortgaged Property has been acquired by the Trust Fund if
      the
      related Mortgage Loan had remained in existence) as a percentage of the related
      Group Subordinate Amount is greater than or equal to 50%.

    

    (h) On
      each
      Distribution Date on which the Class Principal Amounts of the Non-AP Senior
      Certificates relating to one or more Collateral Groups have been reduced to
      zero, any amounts distributable pursuant to Sections 5.02(f) or (g) will be
      allocated, as to each applicable Class of Subordinate Certificates, in
      proportion to such Class’s Subordinate Class Percentage of the Subordinate
      Principal Distribution Amount for the Collateral Group relating to each such
      retired Senior Certificate. On each Distribution Date on which the Non-AP Senior
      Certificates for one or more Collateral Groups remain outstanding, any amounts
      distributable pursuant to Sections 5.02(f) or (g) will be distributed in
      proportion to the aggregate Certificate Principal Amount of such Certificates
      relating to each such Collateral Group.

    

    
      
        
        

      

      
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    (i) (A) On
      any Distribution Date on which any Non-AP Senior Certificate or Certificates
      relating to Collateral Groups 1 or 2 constitute an Undercollateralized Class
      or
      Classes, all amounts otherwise distributable as principal on the Group 1
      Subordinate Certificates, in reverse order of priority (other than amounts
      necessary to pay any related AP Deferred Amounts or unpaid Interest Shortfalls)
      (or, following the applicable Credit Support Depletion Date, such other amounts
      described in the immediately following sentence), will be distributed as
      principal to such Undercollateralized Class or Classes pursuant to Section
      5.02(a)(iii), until the total Class Principal Amount of the Undercollateralized
      Class or Classes equals the Non-AP Pool Balance of the related Collateral Group,
      (such distribution, an “Undercollateralization Distribution”). In the event that
      any Non-AP Senior Certificate or Certificates relating to Collateral Groups
      1 or
      2 constitute an Undercollateralized Class or Classes on any Distribution Date
      following the related Credit Support Depletion Date, related
      Undercollateralization Distributions will be made from any Available
      Distribution Amount for such Collateral Group or Groups not related to an
      Undercollateralized Class or Classes remaining after all required amounts have
      been distributed to the Non-AP Senior Certificates related to such other
      Collateral Groups. In addition, the amount of any unpaid Interest Shortfalls
      with respect to an Undercollateralized Class on any Distribution Date (including
      any Interest Shortfalls for such Distribution Date) will be distributed to
      such
      Undercollateralized Class or Classes prior to the payment of any related
      Undercollateralization Distributions from amounts otherwise distributable as
      principal on the Group 1 Subordinate Certificates, in reverse order of priority
      (or, following the related Credit Support Depletion Date, as provided in the
      preceding sentence).

    

    (B) On
      any Distribution Date on which any Non-AP Senior Certificate or Certificates
      relating to Collateral Groups 3A, 3B or 4 constitute an Undercollateralized
      Class or Classes, all amounts otherwise distributable as principal on the Group
      2 Subordinate Certificates, in reverse order of priority (other than amounts
      necessary to pay any related AP Deferred Amounts or unpaid Interest Shortfalls)
      (or, following the applicable Credit Support Depletion Date, such other amounts
      described in the immediately following sentence), will be distributed as
      principal to such Undercollateralized Class or Classes pursuant to Section
      5.02(a)(iii), until the total Class Principal Amount of the Undercollateralized
      Class or Classes equals the Non-AP Pool Balance of the related Collateral Group,
      (such distribution, also an “Undercollateralization Distribution”). In the event
      that any Non-AP Senior Certificate or Certificates relating to Collateral Groups
      3A, 3B or 4 constitute an Undercollateralized Class or Classes on any
      Distribution Date following the related Credit Support Depletion Date, related
      Undercollateralization Distributions will be made from any Available
      Distribution Amount for such Collateral Group or Groups not related to an
      Undercollateralized Class or Classes remaining after all required amounts have
      been distributed to the Non-AP Senior Certificates related to such other
      Collateral Groups. In addition, the amount of any unpaid Interest Shortfalls
      with respect to an Undercollateralized Class on any Distribution Date (including
      any Interest Shortfalls for such Distribution Date) will be distributed to
      such
      Undercollateralized Class or Classes prior to the payment of any related
      Undercollateralization Distributions from amounts otherwise distributable as
      principal on the Group 2 Subordinate Certificates, in reverse order of priority
      (or, following the related Credit Support Depletion Date, as provided in the
      preceding sentence).

    

    
      
        
        

      

      
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    (C) If
      on any Distribution Date the Non-AP Senior Certificates relating to more than
      one Collateral Group are Undercollateralized Classes, the distribution described
      in paragraph (A) or (B) above will be made in proportion to the amount by which
      the total Class Principal Amount of the Non-AP Senior Certificate or
      Certificates relating to each such Collateral Group, after giving effect to
      distributions pursuant to Section 5.02(a) on such Distribution Date, exceeds
      the
      Non-AP Pool Balance for the related Collateral Group for such Distribution
      Date.

    

    (j) On
      each
      Distribution Date occurring after a Section 7.01(c) Purchase Event but on or
      prior to a Trust Fund Termination Event, the Securities Administrator (or the
      Paying Agent on behalf of the Securities Administrator), shall withdraw from
      the
      Certificate Account the Available Distribution Amount (to the extent such amount
      is on deposit in the Certificate Account), and shall allocate such amount to
      the
      interests issued in respect of the Lower Tier REMIC 1 Uncertificated Regular
      Interests created pursuant to this Agreement and shall distribute such amount
      first, to the Securities Administrator, any amounts reimbursable pursuant to
      Section 4.04(c) and not previously reimbursed to the Securities Administrator,
      second, to the LTURI-holder, any remaining Available Distribution Amount to
      the
      extent payable on the Lower Tier REMIC 1 Uncertificated Regular Interests as
      provided in the Preliminary Statement, and third, to the Class LT-R
      Certificates.

    

    (k) On
      each
      Distribution Date, the Securities Administrator shall distribute all Prepayment
      Penalty Amounts for such date to the Holder of the Class P
      Certificates.

    

    Section
      5.03. Allocation
      of Realized Losses.

    

    (a) On
      any
      Distribution Date, (i) the related Applicable Fraction of the principal portion
      of each Realized Loss in respect of a Mortgage Loan in Collateral Group PO1,
      PO2
      and PO3 will be allocated to and reduce the Certificate Principal Amounts of
      the
      Class AP1, AP2 and Class AP3 Certificates, respectively, until the Certificate
      Principal Amounts thereof has been reduced to zero; and (ii) the related
      Applicable Fraction of the principal portion of each Realized Loss (other than
      any Excess Loss) in respect of a Mortgage Loan, shall be allocated in the
      following order of priority:

    

    (A) Such
      losses experienced by Collateral Groups 1 and 2 shall be allocated in the
      following order of priority:

    

    first,
      to the
      Class 1B6 Certificates, in reduction of their Class Principal Amount, until
      the
      Class Principal Amount thereof has been reduced to zero;

    

    second,
      to the
      Class 1B5 Certificates, in reduction of their Class Principal Amount, until
      the
      Class Principal Amount thereof has been reduced to zero;

    

    
      
        
        

      

      
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    third,
      to the
      Class 1B4 Certificates, in reduction of their Class Principal Amount, until
      the
      Class Principal Amount thereof has been reduced to zero;

    

    fourth,
      to the
      Class 1B3 Certificates, in reduction of their Class Principal Amount, until
      the
      Class Principal Amount thereof has been reduced to zero; 

    

    fifth,
      to the
      Class 1B2 Certificates, in reduction of their Class Principal Amount, until
      the
      Class Principal Amount thereof has been reduced to zero;

    

    sixth,
      to the
      Class 1B1 Certificates, in reduction of their Class Principal Amount, until
      the
      Class Principal Amount thereof has been reduced to zero; and

    

    seventh,
      to the
      related Classes of Non-AP Senior Certificates, pro
      rata,
      in
      accordance with their respective Class Principal Amounts
      provided,
      however,
      that
      any Realized Loss (or Excess Loss) allocated (1) to the Class 1-A1 Certificates
      shall instead be allocated to the Class 1-A2 Certificates until the Class
      Principal Amount thereof has been reduced to zero, (2) to the Class 2-A2
      Certificates shall instead be allocated to the Class 2-A4 Certificates until
      the
      Class Principal Amount thereof has been reduced to zero, and (3) to the Class
      2-A9 and Class 2-A10 Certificates shall instead be allocated to the Class 2-A3
      Certificates until the Class Principal Amount thereof has been reduced to zero;
      and

    

    (B) Such
      losses experienced by Collateral Groups 3A, 3B and 4 shall be allocated in
      the
      following order of priority:

    

    first,
      to the
      Class 2B6 Certificates, in reduction of their Class Principal Amount, until
      the
      Class Principal Amount thereof has been reduced to zero;

    

    second,
      to the
      Class 2B5 Certificates, in reduction of their Class Principal Amount, until
      the
      Class Principal Amount thereof has been reduced to zero;

    

    third,
      to the
      Class 2B4 Certificates, in reduction of their Class Principal Amount, until
      the
      Class Principal Amount thereof has been reduced to zero;

    

    fourth,
      to the
      Class 2B3 Certificates, in reduction of their Class Principal Amount, until
      the
      Class Principal Amount thereof has been reduced to zero; 

    

    fifth,
      to the
      Class 2B2 Certificates, in reduction of their Class Principal Amount, until
      the
      Class Principal Amount thereof has been reduced to zero;

    

    sixth,
      to the
      Class 2B1 Certificates, in reduction of their Class Principal Amount, until
      the
      Class Principal Amount thereof has been reduced to zero; and

    

    seventh,
      to the
      related Classes of Non-AP Senior Certificates, pro
      rata,
      in
      accordance with their respective Class Principal Amounts provided,
      however,
      that
      any Realized Loss (or Excess Loss) allocated (1) to the Class 3-A10 and Class
      3-A12 Certificates shall instead be allocated to the Class 3-A3, Class 3-A4,
      Class 3-A5 and Class 3-A6 Certificates, pro
      rata,
      based
      on their Class Principal Amounts, until their respective Class Principal Amounts
      thereof have been reduced to zero; provided,
      however,
      so long
      as the Class 3-A3 Certificates are outstanding, any Realized Loss (or Excess
      Loss) allocated to the Class 3-A4, Class 3-A5 and Class 3-A6 Certificates will
      instead be allocated to the Class 3-A3 Certificates until the Class Principal
      Amount thereof has been reduced to zero; and provided,
      further,
      so long
      as the Class 3-A6 Certificates are outstanding, any Realized Loss allocated
      to
      the Class 3-A5 Certificates will instead be allocated to the Class 3-A6
      Certificates until the Class Principal Amount thereof has been reduced to zero,
      and (2) to the Class 4-A2 and Class 4-A3 Certificates shall instead be allocated
      to the Class 4-A4 Certificates until the Class Principal Amount thereof has
      been
      reduced to zero.

    

    
      
        
        

      

      
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    In
      addition, any Realized Loss (including any Excess Loss) allocated to an Exchange
      Class shall be proportionately allocated to the related Exchangeable Class
      or
      Classes.

    

    (b) With
      respect to any Distribution Date, the related Applicable Fraction of the
      principal portion of any Excess Loss in respect of a Mortgage Loan in any
      Collateral Group shall be allocated, pro
      rata,
      to the
      related Subordinate Certificates and related Non-AP Senior Certificate or
      Certificates on the basis of the Apportioned Principal Balances of the Classes
      of Subordinate Certificates and Class Principal Amounts of the related Non-AP
      Senior Certificates (and in the same manner as specified in clause seventh
      of
      subsection (A) or subsection (B) above as applicable.

    

    (c) Any
      Realized Losses allocated to a Class of Certificates pursuant to Section 5.03(a)
      shall be allocated among the Certificates of such Class in proportion to their
      respective Certificate Principal Amounts. Any allocation of Realized Losses
      pursuant to this paragraph (c) shall be accomplished by reducing the Certificate
      Principal Amounts of the related Certificates on the related Distribution Date
      in accordance with Section 5.03(d). Realized Losses allocated to any Accrual
      Certificates will be allocated on the basis of the lesser of their original
      Class Principal Amount and their current Class Principal Amount.

    

    (d) Realized
      Losses allocated in accordance with this Section 5.03 shall be allocated on
      the
      Distribution Date in the month following the month in which such loss was
      incurred and, in the case of the principal portion thereof, after giving effect
      to distributions made on such Distribution Date, except that the aggregate
      amount of Realized Losses to be allocated to the Class AP1, Class AP2 and Class
      AP3 Certificates on such Distribution Date will be taken into account in
      determining distributions in respect of any related AP Deferred Amount for
      such
      date.

    

    (e) On
      each
      Distribution Date, the Subordinate Certificate Writedown Amount for such date
      shall effect a corresponding reduction in the Class Principal Amount of the
      lowest ranking Class of outstanding related Subordinate Certificates, which
      reduction shall occur on such Distribution Date after giving effect to
      distributions made on such Distribution Date.

    

    
      
        
        

      

      
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    Section
      5.04. Advances
      by the Master Servicer and the Securities Administrator.

    

    (a) Advances
      shall be made in respect of each Master Servicer Remittance Date as provided
      herein. If, on any Determination Date, the Master Servicer determines that
      any
      Scheduled Payments (or in the case of Simple Interest Mortgage Loans, the amount
      of any scheduled interest payments) due during the related Due Period (other
      than Balloon Payments) have not been received, the Master Servicer shall, or
      cause the applicable Servicer to, advance such amount on the Master Servicer
      Remittance Date immediately following such Determination Date, less an amount,
      if any, to be set forth in an Officer’s Certificate to be delivered to the
      Securities Administrator on such Determination Date, which if advanced the
      Master Servicer or the applicable Servicer has determined would not be
      recoverable from amounts received with respect to such Mortgage Loan, including
      late payments, Liquidation Proceeds, Insurance Proceeds or otherwise. If the
      Master Servicer determines that an Advance is required, it shall on the Master
      Servicer Remittance Date immediately following such Determination Date either
      (i) remit to the Securities Administrator from its own funds (or funds advanced
      by the applicable Servicer) for deposit in the Certificate Account immediately
      available funds in an amount equal to such Advance, (ii) cause to be made an
      appropriate entry in the records of the Collection Account that funds in such
      account being held for future distribution or withdrawal have been, as permitted
      by this Section 5.04, used by the Master Servicer to make such Advance, and
      remit such immediately available funds to the Securities Administrator for
      deposit in the Certificate Account or (iii) make Advances in the form of any
      combination of clauses (i) and (ii) aggregating the amount of such Advance.
      Any
      funds being held in the Collection Account for future distribution to
      Certificateholders and so used shall be replaced by the Master Servicer from
      its
      own funds by remittance to the Securities Administrator for deposit in the
      Certificate Account on or before any future Master Servicer Remittance Date
      to
      the extent that funds in the Certificate Account on such Master Servicer
      Remittance Date shall be less than payments to Certificateholders required
      to be
      made on the related Distribution Date. Notwithstanding anything to the contrary
      herein, in the event the Master Servicer determines in its reasonable judgment
      that an Advance is non-recoverable, the Master Servicer shall be under no
      obligation to make such Advance. The Securities Administrator shall be entitled
      to conclusively rely upon any determination by the Master Servicer that an
      Advance, if made, would constitute a non-recoverable advance. The Master
      Servicer and each Servicer shall be entitled to be reimbursed from the
      Collection Account for all Advances made by it as provided in Section
      4.02.

    

    (b) In
      the
      event that the Master Servicer fails for any reason to make an Advance required
      to be made pursuant to this Section 5.04, the Securities Administrator, solely
      in its capacity as successor Master Servicer pursuant to Section 6.14, shall,
      on
      or before the related Distribution Date, deposit in the Certificate Account
      an
      amount equal to the excess of (a) Advances required to be made by the Master
      Servicer that would have been deposited in such Certificate Account over (b)
      the
      amount of any Advance made by the Master Servicer and Servicers with respect
      to
      such Distribution Date; provided,
      however,
      that
      the Securities Administrator shall be required to make such Advance only if
      it
      is not prohibited by law from doing so and it has determined that such Advance
      would be recoverable from amounts to be received with respect to such Mortgage
      Loan, including late payments, Liquidation Proceeds, Insurance Proceeds, or
      otherwise. The Securities Administrator shall be entitled to be reimbursed
      from
      the Certificate Account for Advances made by it pursuant to this Section 5.04
      as
      if it were the Master Servicer.

    

    
      
        
        

      

      
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    Notwithstanding
      anything in this Section 5.04 to the contrary, the Master Servicer’s obligation
      or the Securities Administrator’s obligation, as successor Master Servicer, to
      make Advances on the Mortgage Loans in the aggregate for a Master Servicer
      Remittance Date shall be reduced by any Capitalization Reimbursement Amounts
      during the related Due Period.

    

    Section
      5.05. Compensating
      Interest Payments.

    

    The
      Master Servicer shall not be responsible for making any Compensating Interest
      Payments not made by the Servicers. Any Compensating Interest Payments made
      by
      the Servicers shall be a component of the Available Distribution
      Amount.

    

    ARTICLE
      VI

    CONCERNING
      THE TRUSTEE AND THE SECURITIES ADMINISTRATOR; EVENTS OF DEFAULT

    

    Section
      6.01. Duties
      of Trustee and Securities Administrator. 

    

    (a) The
      Trustee, except during the continuance of an Event of Default, and the
      Securities Administrator, undertake to perform such duties and only such duties
      as are specifically set forth in this Agreement. Any permissive right of the
      Trustee or the Securities Administrator provided for in this Agreement shall
      not
      be construed as a duty of the Trustee or the Securities Administrator. If an
      Event of Default has occurred and has not otherwise been cured or waived, the
      Trustee or the Securities Administrator shall exercise such of the rights and
      powers vested in it by this Agreement and use the same degree of care and skill
      in their exercise as a prudent Person would exercise or use under the
      circumstances in the conduct of such Person’s own affairs, unless the Securities
      Administrator is acting as Master Servicer, in which case it shall use the
      same
      degree of care and skill as the Master Servicer hereunder.

    

    (b) Each
      of
      the Trustee and the Securities Administrator, upon receipt of all resolutions,
      certificates, statements, opinions, reports, documents, orders or other
      instruments furnished to the Trustee or the Securities Administrator which
      are
      specifically required to be furnished pursuant to any provision of this
      Agreement, shall examine them to determine whether they are on their face in
      the
      form required by this Agreement; provided, however, that neither the Trustee
      nor
      the Securities Administrator shall be responsible for the accuracy or content
      of
      any such resolution, certificate, statement, opinion, report, document, order
      or
      other instrument furnished by the Master Servicer or any Servicer to the Trustee
      or the Securities Administrator pursuant to this Agreement, and shall not be
      required to recalculate or verify any numerical information furnished to the
      Trustee or the Securities Administrator pursuant to this Agreement. Subject
      to
      the immediately preceding sentence, if any such resolution, certificate,
      statement, opinion, report, document, order or other instrument is found not
      to
      conform on its face to the form required by this Agreement in a material manner
      the Trustee or Securities Administrator, as applicable, shall notify the Person
      providing such resolutions, certificates, statements, opinions, reports or
      other
      documents of the non-conformity, and if the instrument is not corrected to
      the
      Trustee’s or Securities Administrator’s, as applicable, satisfaction, the
      Trustee or Securities Administrator, as applicable, will provide notice thereof
      to the Certificateholders and will, at the expense of the Trust Fund, which
      expense shall be reasonable given the scope and nature of the required action,
      take such further action as directed by the Certificateholders.

    

    
      
        
        

      

      
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    (c) Neither
      the Trustee nor the Securities Administrator shall have any liability arising
      out of or in connection with this Agreement, except for its negligence or
      willful misconduct. No provision of this Agreement shall be construed to relieve
      the Trustee or the Securities Administrator from liability for its own negligent
      action, its own negligent failure to act or its own willful misconduct;
      provided, however, that:

    

    (i) Neither
      the Trustee nor the Securities Administrator shall be liable with respect to
      any
      action taken, suffered or omitted to be taken by it in good faith in accordance
      with the direction of the Holders as provided in Section 6.18
      hereof;

    

    (ii) For
      all
      purposes under this Agreement, the Trustee shall not be deemed to have notice
      of
      any Event of Default unless a Responsible Officer of the Trustee has actual
      knowledge thereof or unless written notice of any event which is in fact such
      a
      default is received by the Trustee at the address provided in Section 11.07,
      and
      such notice references the Holders of the Certificates and this
      Agreement;

    

    (iii) For
      all
      purposes under this Agreement, the Securities Administrator shall not be deemed
      to have notice of any Event of Default (other than resulting from a failure
      by
      the Master Servicer to (i) remit funds (or make Advances) when required to
      do so
      or (ii) furnish information to the Securities Administrator when required to
      do
      so) unless a Responsible Officer of the Securities Administrator has actual
      knowledge thereof or unless written notice of any event which is in fact such
      a
      default is received by the Securities Administrator at its Corporate Trust
      Office, and such notice references the Holders of the Certificates and this
      Agreement;

    

    (iv) No
      provision of this Agreement shall require the Trustee or the Securities
      Administrator to expend or risk its own funds or otherwise incur any financial
      liability in the performance of any of its duties hereunder, or in the exercise
      of any of its rights or powers, if it shall have reasonable grounds for
      believing that repayment of such funds or adequate indemnity against such risk
      or liability is not reasonably assured to it; and none of the provisions
      contained in this Agreement shall in any event require the Trustee or the
      Securities Administrator to perform, or be responsible for the manner of
      performance of, any of the obligations of the Master Servicer under this
      Agreement;

    

    (v) Neither
      the Trustee nor the Securities Administrator shall be responsible for any act
      or
      omission of the Master Servicer, any Servicer, the Depositor, the Seller or
      the
      Custodian and neither the Securities Administrator nor the Trustee shall be
      responsible for any act or omission of the other.

    

    
      
        
        

      

      
        101

        
          

        

      

      
        
        

      

    

    (d) The
      Trustee shall have no duty hereunder with respect to any complaint, claim,
      demand, notice or other document it may receive or which may be alleged to
      have
      been delivered to or served upon it by the parties as a consequence of the
      assignment of any Mortgage Loan hereunder; provided,
      however,
      that the
      Trustee shall promptly remit to the Master Servicer upon receipt any such
      complaint, claim, demand, notice or other document (i) which is delivered to
      the
      address of the Trustee provided in Section 11.07 and makes reference to this
      series of Certificate or this Agreement, (ii) of which a Responsible Officer
      has
      actual knowledge, and (iii) which contains information sufficient to permit
      the
      Trustee to make a determination that the real property to which such document
      relates is a Mortgaged Property.

    

    (e) Neither
      the Trustee nor the Securities Administrator shall be personally liable with
      respect to any action taken, suffered or omitted to be taken by it in good
      faith
      in accordance with the direction of any the Certificateholders of any Class
      holding Certificates which evidence, as to such Class, Percentage Interests
      aggregating not less than 25% as to the time, method and place of conducting
      any
      proceeding for any remedy available to the Trustee or the Securities
      Administrator or exercising any trust or power conferred upon the Trustee or
      the
      Securities Administrator, as applicable, under this Agreement.

    

    (f) Neither
      the Trustee nor the Securities Administrator shall be required to perform
      services under this Agreement, or to expend or risk its own funds or otherwise
      incur financial liability for the performance of any of its duties hereunder
      or
      the exercise of any of its rights or powers if there is reasonable ground for
      believing that the timely payment of its fees and expenses or the repayment
      of
      such funds or adequate indemnity against such risk or liability is not
      reasonably assured to it, and none of the provisions contained in this Agreement
      shall in any event require the Trustee or the Securities Administrator, as
      applicable, to perform, or be responsible for the manner of performance of,
      any
      of the obligations of the Master Servicer or any Servicer under this Agreement
      or any Servicing Agreement except during such time, if any, as the Securities
      Administrator shall be the successor to, and be vested with the rights, duties,
      powers and privileges of, the Master Servicer in accordance with the terms
      of
      this Agreement.

    

    (g) Neither
      the Securities Administrator nor the Trustee shall be held liable by reason
      of
      any insufficiency in the Collection Account resulting from any investment loss
      on any Eligible Investment included therein (except to the extent that the
      Securities Administrator or the Trustee, as applicable, is the obligor and
      has
      defaulted thereon).

    

    (h) The
      Trustee shall not and, except as otherwise provided herein, the Securities
      Administrator shall not have any duty (A) to see to any recording, filing,
      or
      depositing of this Agreement or any agreement referred to herein or any
      financing statement or continuation statement evidencing a security interest,
      or
      to see to the maintenance of any such recording or filing or depositing or
      to
      any rerecording, refiling or redepositing of any thereof, (B) to see to any
      insurance or claim under any Insurance Policy, and (C) to see to the payment
      or
      discharge of any tax, assessment, or other governmental charge or any lien
      or
      encumbrance of any kind owing with respect to, assessed or levied against,
      any
      part of the Trust Fund other than from funds available in the Certificate
      Account. Except as otherwise provided herein, neither the Trustee nor the
      Securities Administrator shall have any duty to confirm or verify the contents
      of any reports or certificates of the Master Servicer, any Servicer, or any
      Cap
      Counterparty delivered to the Trustee or the Securities Administrator pursuant
      to this Agreement believed by the Trustee or the Securities Administrator,
      as
      applicable, to be genuine and to have been signed or presented by the proper
      party or parties.

    

    
      
        
        

      

      
        102

        
          

        

      

      
        
        

      

    

    (i) Neither
      the Securities Administrator nor the Trustee shall be liable in its individual
      capacity for an error of judgment made in good faith by a Responsible Officer
      or
      other officers of the Trustee or the Securities Administrator, as applicable,
      unless it shall be proved that the Trustee or the Securities Administrator,
      as
      applicable, was negligent in ascertaining the pertinent facts.

    

    (j) Notwithstanding
      anything in this Agreement to the contrary, none of the Securities
      Administrator, any Paying Agent or the Trustee shall be liable for special,
      indirect or consequential losses or damages of any kind whatsoever (including,
      but not limited to, lost profits), even if the Securities Administrator, the
      Paying Agent or the Trustee, as applicable, has been advised of the likelihood
      of such loss or damage and regardless of the form of action.

    

    (k) For
      so
      long as the Depositor is subject to the Exchange Act reporting with respect
      to
      the Certificates, the Securities Administrator shall give prior written notice
      to the Sponsor, the Master Servicer and the Depositor of the appointment of
      any
      Subcontractor by it and a written description (in form and substance
      satisfactory to the Sponsor and the Depositor) of the role and function of
      each
      Subcontractor utilized by the Securities Administrator specifying (A) the
      identity of each such Subcontractor and (B) which elements of the servicing
      criteria set forth under Item 1122(d) of Regulation AB will be addressed in
      assessments of compliance provided by each such Subcontractor for
      which
      the Securities Administrator does not elect to take responsibility for assessing
      compliance with the Servicing Criteria in accordance with Regulation AB
      Telephone Interpretation 17.06.

    

    (l) Neither
      the Securities Administrator nor the Trustee shall be responsible for the acts
      or omissions of the other, it being understood that this Agreement shall not
      be
      construed to render them agents of one another, or of the Master Servicer or
      any
      Servicer.

    

    (m) The
      Paying Agent and the Certificate Registrar shall have the same rights,
      protections, immunities and indemnities as are afforded to the Securities
      Administrator pursuant to this Article VI.

    

    Section
      6.02. Certain
      Matters Affecting the Trustee and the Securities Administrator.

    

    
      
        
        

      

      
        103

        
          

        

      

      
        
        

      

    

    Except
      as
      otherwise provided in Section 6.01:

    

    (a) Each
      of
      the Trustee and the Securities Administrator may request, and may rely and
      shall
      be protected in acting or refraining from acting upon any resolution, Officer’s
      Certificate, certificate of auditors or any other certificate, statement,
      instrument, opinion, report, notice, request, consent, order, approval, bond
      or
      other paper or document believed by it to be genuine and to have been signed
      or
      presented by the proper party or parties;

    

    (b) Each
      of
      the Trustee and the Securities Administrator may consult with counsel and any
      advice of its counsel or Opinion of Counsel shall be full and complete
      authorization and protection in respect of any action taken or suffered or
      omitted by it hereunder in good faith and in accordance with such advice or
      Opinion of Counsel;

    

    (c) Neither
      the Trustee nor the Securities Administrator shall be personally liable for
      any
      action taken, suffered or omitted by it in good faith and reasonably believed
      by
      it to be authorized or within the discretion or rights or powers conferred
      upon
      it by this Agreement;

    

    (d) Unless
      an
      Event of Default shall have occurred and be continuing, neither the Trustee
      nor
      the Securities Administrator shall be bound to make any investigation into
      the
      facts or matters stated in any resolution, certificate, statement, instrument,
      opinion, report, notice, request, consent, order, approval, bond or other paper
      or document (provided the same appears regular on its face), unless requested
      in
      writing to do so by the Holders of at least a majority in Class Principal Amount
      (or Percentage Interest) of each Class of Certificates; provided, however,
      that,
      if the payment within a reasonable time to the Trustee or the Securities
      Administrator, as applicable, of the costs, expenses or liabilities likely
      to be
      incurred by it in the making of such investigation is, in the opinion of the
      Trustee or the Securities Administrator, as applicable, not reasonably assured
      to the Trustee or the Securities Administrator by the security afforded to
      it by
      the terms of this Agreement, the Trustee or the Securities Administrator, as
      applicable, may require reasonable indemnity against such expense or liability
      or payment of such estimated expenses from the Certificateholders as a condition
      to proceeding. The reasonable expense thereof shall be paid by the party
      requesting such investigation and if not reimbursed by the requesting party
      shall be reimbursed to the Trustee by the Trust Fund;

    

    (e) Each
      of
      the Trustee and the Securities Administrator may execute any of the trusts
      or
      powers hereunder or perform any duties hereunder either directly or by or
      through agents, custodians or attorneys, which agents, custodians or attorneys
      shall have any and all of the rights, powers, duties and obligations of the
      Trustee and the Securities Administrator conferred on them by such appointment,
      provided that each of the Trustee and the Securities Administrator shall
      continue to be responsible for its duties and obligations hereunder to the
      extent provided herein, and provided further that neither the Trustee nor the
      Securities Administrator shall be responsible for any misconduct or negligence
      on the part of any such agent or attorney appointed with due care by the Trustee
      or the Securities Administrator, as applicable;

    

    
      
        
        

      

      
        104

        
          

        

      

      
        
        

      

    

    (f) Neither
      the Trustee nor the Securities Administrator shall be under any obligation
      to
      exercise any of the trusts or powers vested in it by this Agreement or to
      institute, conduct or defend any litigation hereunder or in relation hereto,
      in
      each case at the request, order or direction of any of the Certificateholders
      pursuant to the provisions of this Agreement, unless such Certificateholders
      shall have offered to the Trustee or the Securities Administrator, as
      applicable, reasonable security or indemnity against the costs, expenses and
      liabilities which may be incurred therein or thereby;

    

    (g) The
      right
      of the Trustee and the Securities Administrator to perform any discretionary
      act
      enumerated in this Agreement shall not be construed as a duty, and neither
      the
      Trustee nor the Securities Administrator shall be answerable for other than
      its
      negligence or willful misconduct in the performance of such act;
      and

    

    (h) Neither
      the Trustee nor the Securities Administrator shall be required to give any
      bond
      or surety in respect of the execution of the Trust Fund created hereby or the
      powers granted hereunder.

    

    Section
      6.03. Trustee
      and Securities Administrator Not Liable for Certificates. 

    

    The
      Trustee and the Securities Administrator make no representations as to the
      validity or sufficiency of this Agreement, the Exchange Trust Agreement, the
      Cap
      Agreement or the Certificates (other than the certificate of authentication
      on
      the Certificates) or the Lower Tier REMIC 1 Uncertificated Regular Interests,
      or
      of any Mortgage Loan, or related document save that the Trustee and the
      Securities Administrator represent that, assuming due execution and delivery
      by
      the other parties hereto, this Agreement has been duly authorized, executed
      and
      delivered by it and constitutes its valid and binding obligation, enforceable
      against it in accordance with its terms except that such enforceability may
      be
      subject to (A) applicable bankruptcy and insolvency laws and other similar
      laws
      affecting the enforcement of the rights of creditors generally, and (B) general
      principles of equity regardless of whether such enforcement is considered in
      a
      proceeding in equity or at law. The Trustee and the Securities Administrator
      shall not be accountable for the use or application by the Depositor of funds
      paid to the Depositor in consideration of the assignment of the Mortgage Loans
      to the Trust Fund by the Depositor or for the use or application of any funds
      deposited into the Certificate Account, any Escrow Account or any other fund
      or
      account maintained with respect to the Certificates. The Trustee and the
      Securities Administrator shall not be responsible for the legality or validity
      of this Agreement or the Exchange Trust Agreement or the validity, priority,
      perfection or sufficiency of the security for the Certificates or the Lower
      Tier
      REMIC 1 Uncertificated Regular Interests issued or intended to be issued
      hereunder. The Trustee shall not, and except as otherwise provided herein,
      the
      Securities Administrator shall have no responsibility for filing any financing
      or continuation statement in any public office at any time or to otherwise
      perfect or maintain the perfection of any security interest or lien granted
      to
      it hereunder or to record this Agreement.

    

    Section
      6.04. Trustee
      and Securities Administrator May Own Certificates. 

    

    The
      Trustee and the Securities Administrator and any Affiliate or agent of either
      of
      them in its individual or any other capacity may become the owner or pledgee
      of
      Certificates and may transact banking and trust business with the other parties
      hereto and their Affiliates with the same rights it would have if it were not
      Trustee, Securities Administrator or such agent.

    

    
      
        
        

      

      
        105

        
          

        

      

      
        
        

      

    

    Section
      6.05. Eligibility
      Requirements for Trustee and Securities Administrator. 

    

    The
      Trustee and the Securities Administrator hereunder shall at all times be (i)
      an
      institution whose accounts are insured by the FDIC, (ii) a corporation or
      national banking association, organized and doing business under the laws of
      any
      State or the United States of America, authorized under such laws to exercise
      corporate trust powers, having a combined capital and surplus of not less than
      $50,000,000 and subject to supervision or examination by federal or state
      authority and (iii) not an Affiliate of the Master Servicer or any Servicer
      (except in the case of the Securities Administrator). If such corporation or
      national banking association publishes reports of condition at least annually,
      pursuant to law or to the requirements of the aforesaid supervising or examining
      authority, then, for the purposes of this Section, the combined capital and
      surplus of such corporation or national banking association shall be deemed
      to
      be its combined capital and surplus as set forth in its most recent report
      of
      condition so published. In addition, the Securities Administrator (i) may not
      be
      an originator of Mortgage Loans, the Master Servicer, a Servicer, the Depositor
      or an affiliate of the Depositor unless the Securities Administrator is in an
      institutional trust department of the Securities Administrator, (ii) must be
      authorized to exercise corporate trust powers under the laws of its jurisdiction
      of organization and (iii) must be rated at least “A/F1” by Fitch, if Fitch is a
      Rating Agency that has rated the Securities Administrator, and “A-1” by S&P,
      if S&P is a Rating Agency that has rated the Securities Administrator, or
      the equivalent rating by S&P or Moody’s. In case at any time the Trustee or
      the Securities Administrator shall cease to be eligible in accordance with
      provisions of this Section, the Trustee or the Securities Administrator, as
      applicable, shall resign immediately in the manner and with the effect specified
      in Section 6.06.

    

    Section
      6.06. Resignation
      and Removal of Trustee and Securities Administrator. 

    

    (a) Each
      of
      the Trustee and the Securities Administrator may at any time resign and be
      discharged from the trust hereby created by giving written notice thereof to
      the
      Trustee or the Securities Administrator, as applicable, the Depositor, any
      Cap
      Counterparty and the Master Servicer. Upon receiving such notice of resignation,
      the Depositor will promptly appoint a successor trustee or a successor
      securities administrator, as applicable, one copy of which instrument shall
      be
      delivered to the resigning Trustee and the resigning Securities Administrator,
      as applicable, one copy to the successor trustee or successor securities
      administrator, as applicable, and one copy to each of the Master Servicer.
      If no
      successor trustee or successor securities administrator shall have been so
      appointed and shall have accepted appointment within 30 days after the giving
      of
      such notice of resignation, the resigning Trustee or resigning Securities
      Administrator, as applicable, may petition any court of competent jurisdiction
      for the appointment of a successor trustee or successor securities
      administrator, as applicable.

    

    (b) If
      at any
      time (i) the Trustee shall cease to be eligible in accordance with the
      provisions of Section 6.05 and shall fail to resign after written request
      therefor by the Depositor, (ii) the Trustee or the Securities Administrator
      shall become incapable of acting, or shall be adjudged a bankrupt or insolvent,
      or a receiver of the Trustee or the Securities Administrator of its property
      shall be appointed, or any public officer shall take charge or control of the
      Trustee or the Securities Administrator or of either of their property or
      affairs for the purpose of rehabilitation, conservation or liquidation, (iii)
      the Securities Administrator shall fail to observe or perform in any material
      respect any of the covenants or agreements of the Securities Administrator
      contained in this Agreement, including any failure to provide the information,
      reports, assessments or attestations required pursuant to Subsection 9.25(a)
      or
      9.25(b) hereof, (iv) a tax is imposed or threatened with respect to the Trust
      Fund by any state in which the Trustee or the Trust Fund held by the Trustee
      is
      located, (v) the continued use of the Trustee or Securities Administrator would
      result in a downgrading of the rating by any Rating Agency of any Class of
      Certificates with a rating, (vi) the Paying Agent shall fail to provide the
      information required pursuant to Subsection 3.08, Sections 9.25(a) and (b)
      hereof or (vii) the Depositor desires to replace the Securities Administrator
      with a successor Securities Administrator, then the Depositor, the Master
      Servicer or the Trustee (with regard to clause (iii) only) shall remove the
      Trustee, the Paying Agent or the Securities Administrator, as applicable, and
      the Depositor shall appoint a successor trustee or successor securities
      administrator, as applicable, acceptable to the Master Servicer by written
      instrument, one copy of which instrument shall be delivered to the Trustee
      or
      Securities Administrator so removed, one copy each to the successor trustee
      or
      successor securities administrator, as applicable, and one copy to each of
      the
      Master Servicer.

    

    
      
        
        

      

      
        106

        
          

        

      

      
        
        

      

    

    (c) The
      Holders of more than 50% of the Class Principal Amount (or Percentage Interest)
      of each Class of Certificates may at any time upon 30 days’ written notice to
      the Trustee or the Securities Administrator, as applicable, and to the Depositor
      remove the Trustee or the Securities Administrator, as applicable, by such
      written instrument, signed by such Holders or their attorney-in-fact duly
      authorized, one copy of which instrument shall be delivered to the Depositor,
      one copy to the Trustee, one copy to the Master Servicer; the Depositor shall
      thereupon appoint a successor trustee or successor securities administrator,
      as
      applicable, in accordance with this Section mutually acceptable to the Depositor
      and the Master Servicer.

    

    (d) Any
      resignation or removal of the Trustee or the Securities Administrator, as
      applicable, and appointment of a successor trustee or successor securities
      administrator pursuant to any of the provisions of this Section shall become
      effective upon acceptance of appointment by the successor trustee or the
      successor securities administrator, as applicable, as provided in Section
      6.07.

    

    Section
      6.07. Successor
      Trustee and Successor Securities Administrator. 

    

    (a) Any
      successor trustee or successor securities administrator appointed as provided
      in
      Section 6.06 shall execute, acknowledge and deliver to the Depositor, the Master
      Servicer and to its predecessor trustee or predecessor securities administrator,
      as applicable, an instrument accepting such appointment hereunder, and thereupon
      the resignation or removal of the predecessor trustee or predecessor securities
      administrator, as applicable, shall become effective and such successor trustee
      or successor securities administrator, as applicable, without any further act,
      deed or conveyance, shall become fully vested with all the rights, powers,
      duties and obligations of its predecessor hereunder, with like effect as if
      originally named as trustee or securities administrator, as applicable, herein.
      A predecessor trustee shall deliver to the Trustee or any successor trustee
      (or
      assign to the Trustee its interest under the Custodial Agreement, to the extent
      permitted thereunder), all Mortgage Files and documents and statements related
      to each Mortgage File held by it hereunder, and shall duly assign, transfer
      and
      deliver to the successor trustee the entire Trust Fund, together with all
      necessary instruments of transfer and assignment or other documents properly
      executed necessary to effect such transfer and such of the records or copies
      thereof maintained by the predecessor trustee in the administration hereof
      as
      may be requested by the successor trustee and shall thereupon be discharged
      from
      all duties and responsibilities under this Agreement. In addition, the Master
      Servicer and the predecessor trustee or predecessor securities administrator,
      as
      applicable, shall execute and deliver such other instruments and do such other
      things as may reasonably be required to more fully and certainly vest and
      confirm in the successor trustee or successor securities administrator, as
      applicable, all such rights, powers, duties and obligations. 

    

    
      
        
        

      

      
        107

        
          

        

      

      
        
        

      

    

    (b) No
      successor trustee or successor securities administrator shall accept appointment
      as provided in this Section unless at the time of such appointment such
      successor trustee or successor securities administrator shall be eligible under
      the provisions of Section 6.05.

    

    (c) Upon
      acceptance of appointment by a successor trustee or successor securities
      administrator, as applicable, as provided in this Section, the predecessor
      trustee or predecessor securities administrator, as applicable, shall mail
      notice of the succession of such trustee or securities administrator, as
      applicable, to all Holders of Certificates at their addresses as shown in the
      Certificate Register and to any Rating Agency. The expenses of such mailing
      shall be borne by the predecessor trustee or predecessor securities
      administrator, as applicable.

    

    (d) Upon
      the
      resignation or removal of the Securities Administrator pursuant to this Section
      6.06, the Securities Administrator shall deliver the amounts held in its
      possession for the benefit of the Certificateholders to the successor securities
      administrator upon the appointment of the successor securities
      administrator.

    

    Section
      6.08. Merger
      or Consolidation of Trustee or Securities Administrator. 

    

    Any
      Person into which the Trustee or Securities Administrator may be merged or
      with
      which it may be consolidated, or any Person resulting from any merger,
      conversion or consolidation to which the Trustee or Securities Administrator
      shall be a party, or any Persons succeeding to the corporate trust business
      of
      the Trustee or Securities Administrator, shall be the successor to the Trustee
      or Securities Administrator hereunder, without the execution or filing of any
      paper or any further act on the part of any of the parties hereto, anything
      herein to the contrary notwithstanding, provided that, in the case of the
      Trustee, such Person shall be eligible under the provisions of Section 6.05.
      Unless and until a Form 15 suspension notice shall have been filed, as a
      condition to a succession to the Trustee or the Securities Administrator under
      this Agreement by any Person (i) into which the Trustee or the Securities
      Administrator may be merged or consolidated, or (ii) which may be appointed
      as a
      successor to the Trustee or the Securities Administrator, the Trustee or the
      Securities Administrator shall notify the Sponsor, the Master Servicer and
      the
      Depositor, at least 15 calendar days prior to the effective date of such
      succession or appointment, of such succession or appointment and shall furnish
      to the Sponsor, the Master Servicer and the Depositor in writing and in form
      and
      substance reasonably satisfactory to the Sponsor, the Master Servicer and the
      Depositor, all information reasonably necessary for the Securities Administrator
      to accurately and timely report, pursuant to Section 6.20, the event under
      Item
      6.02 of Form 8-K pursuant to the Exchange Act (if such reports under the
      Exchange Act are required to be filed under the Exchange Act).

    

    
      
        
        

      

      
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    Section
      6.09. Appointment
      of Co-Trustee, Separate Trustee or Custodian. 

    

    (a) Notwithstanding
      any other provisions hereof, at any time, the Trustee, the Depositor or the
      Certificateholders evidencing more than 50% of the Class Principal Amount (or
      Percentage Interest) of every Class of Certificates shall
      have the power from time to time to appoint one or more Persons, approved by
      the
      Trustee, to act either as co-trustees jointly with the Trustee, or as separate
      trustees, or as custodians, for the purpose of holding title to, foreclosing
      or
      otherwise taking action with respect to any Mortgage Loan outside the state
      where the Trustee has its principal place of business where such separate
      trustee or co-trustee is necessary or advisable (or the Trustee has been advised
      by the Master Servicer that such separate trustee or co-trustee is necessary
      or
      advisable) under the laws of any state in which a property securing a Mortgage
      Loan is located or for the purpose of otherwise conforming to any legal
      requirement, restriction or condition in any state in which a property securing
      a Mortgage Loan is located or in any state in which any portion of the Trust
      Fund is located. The separate Trustees, co-trustees, or custodians so appointed
      shall be trustees or custodians for the benefit of all the Certificateholders
      and shall have such powers, rights and remedies as shall be specified in the
      instrument of appointment; provided,
      however,
      that no
      such appointment shall, or shall be deemed to, constitute the appointee an
      agent
      of the Trustee. The obligation of the Securities Administrator to make Advances
      pursuant to Section 5.04 and 6.14 hereof shall not be affected or assigned
      by
      the appointment of a co-trustee. Notwithstanding the foregoing, if such
      co-custodian or co-trustee is determined to be a Servicing Function Participant
      no such co-custodian or co-trustee shall be vested with any powers, rights
      and
      remedies under this Agreement unless such party has agreed to comply with all
      Regulation AB requirements set forth under this Agreement or the related
      Custodial Agreement, as applicable.

    

    (b) Every
      separate trustee, co-trustee, and custodian shall, to the extent permitted
      by
      law, be appointed and act subject to the following provisions and
      conditions:

    

    (i) all
      powers, duties, obligations and rights conferred upon the Trustee in respect
      of
      the receipt, custody and payment of monies shall be exercised solely by the
      Trustee;

    

    (ii) all
      other
      rights, powers, duties and obligations conferred or imposed upon the Trustee
      shall be conferred or imposed upon and exercised or performed by the Trustee
      and
      such separate trustee, co-trustee, or custodian jointly, except to the extent
      that under any law of any jurisdiction in which any particular act or acts
      are
      to be performed the Trustee shall be incompetent or unqualified to perform
      such
      act or acts, in which event such rights, powers, duties and obligations,
      including the holding of title to the Trust Fund or any portion thereof in
      any
      such jurisdiction, shall be exercised and performed by such separate trustee,
      co-trustee, or custodian;

    

    
      
        
        

      

      
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    (iii) no
      trustee or custodian hereunder shall be personally liable by reason of any
      act
      or omission of any other trustee or custodian hereunder; and

    

    (iv) the
      Trustee or the Certificateholders evidencing more than 50% of the Aggregate
      Voting Interests of the Certificates may at any time accept the resignation
      of
      or remove any separate trustee, co-trustee or custodian, so appointed by it
      or
      them, if such resignation or removal does not violate the other terms of this
      Agreement.

    

    (c) Any
      notice, request or other writing given to the Trustee shall be deemed to have
      been given to each of the then separate trustees and co-trustees, as effectively
      as if given to each of them. Every instrument appointing any separate trustee,
      co-trustee or custodian shall refer to this Agreement and the conditions of
      this
      Article VI. Each separate trustee and co-trustee, upon its acceptance of the
      trusts conferred, shall be vested with the estates or property specified in
      its
      instrument of appointment, either jointly with the Trustee or separately, as
      may
      be provided therein, subject to all the provisions of this Agreement,
      specifically including every provision of this Agreement relating to the conduct
      of, affecting the liability of, or affording protection to, the Trustee. Every
      such instrument shall be filed with the Trustee and a copy given to the Master
      Servicer.

    

    (d) Any
      separate trustee, co-trustee or custodian may, at any time, constitute the
      Trustee its agent or attorney-in-fact with full power and authority, to the
      extent not prohibited by law, to do any lawful act under or in respect of this
      Agreement on its behalf and in its name. If any separate trustee, co-trustee
      or
      custodian shall die, become incapable of acting, resign or be removed, all
      of
      its estates, properties, rights, remedies and trusts shall vest in and be
      exercised by the Trustee, to the extent permitted by law, without the
      appointment of a new or successor trustee.

    

    (e) No
      separate trustee, co-trustee or custodian hereunder shall be required to meet
      the terms of eligibility as a successor trustee under Section 6.05 hereunder
      and
      no notice to Certificateholders of the appointment shall be required under
      Section 6.07 hereof.

    

    (f) The
      Trustee agrees to instruct the co-trustees, if any, to the extent necessary
      to
      fulfill the Trustee’s obligations hereunder.

    

    (g) The
      Trustee shall pay the reasonable compensation of the co-trustees requested
      by
      the Trustee to be so appointed (which compensation shall not reduce any
      compensation payable to the Trustee ) and, if paid by the Trustee, shall be
      a
      reimbursable expense pursuant to Section 6.12.

    

    Section
      6.10. Authenticating
      Agents. 

    

    
      
        
        

      

      
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    (a) The
      Securities Administrator may appoint one or more Authenticating Agents which
      shall be authorized to act on behalf of the Securities Administrator in
      authenticating Certificates. Wherever reference is made in this Agreement to
      the
      authentication of Certificates by the Securities Administrator or the Securities
      Administrator’s certificate of authentication, such reference shall be deemed to
      include authentication on behalf of the Securities Administrator by an
      Authenticating Agent and a certificate of authentication executed on behalf
      of
      the Securities Administrator by an Authenticating Agent. Each Authenticating
      Agent must be a corporation organized and doing business under the laws of
      the
      United States of America or of any state, having a combined capital and surplus
      of at least $15,000,000, authorized under such laws to do a trust business
      and
      subject to supervision or examination by federal or state
      authorities.

    

    (b) Any
      Person into which any Authenticating Agent may be merged or converted or with
      which it may be consolidated, or any Person resulting from any merger,
      conversion or consolidation to which any Authenticating Agent shall be a party,
      or any Person succeeding to the corporate agency business of any Authenticating
      Agent, shall continue to be the Authenticating Agent without the execution
      or
      filing of any paper or any further act on the part of the Securities
      Administrator or the Authenticating Agent.

    

    (c) Any
      Authenticating Agent may at any time resign by giving at least 30 days’ advance
      written notice of resignation to the Securities Administrator, the Trustee
      and
      the Depositor. The Securities Administrator may at any time terminate the agency
      of any Authenticating Agent by giving written notice of termination to such
      Authenticating Agent and the Depositor. Upon receiving a notice of resignation
      or upon such a termination, or in case at any time any Authenticating Agent
      shall cease to be eligible in accordance with the provisions of this Section
      6.10, the Securities Administrator may appoint a successor Authenticating Agent,
      shall give written notice of such appointment to the Depositor and shall mail
      notice of such appointment to all Holders of Certificates. Any successor
      Authenticating Agent upon acceptance of its appointment hereunder shall become
      vested with all the rights, powers, duties and responsibilities of its
      predecessor hereunder, with like effect as if originally named as Authenticating
      Agent. No successor Authenticating Agent shall be appointed unless eligible
      under the provisions of this Section 6.10. No Authenticating Agent shall have
      responsibility or liability for any action taken by it as such at the direction
      of the Securities Administrator. Any Authenticating Agent shall be entitled
      to
      reasonable compensation for its services and, if paid by the Securities
      Administrator, it shall be a reimbursable expense pursuant to Section
      6.12.

    

    Section
      6.11. Indemnification
      of Trustee and Securities Administrator. 

    

    The
      Trustee and the Securities Administrator and their respective directors,
      officers, employees and agents shall be entitled to indemnification from the
      Trust Fund for any loss, liability or expense incurred in connection with any
      legal proceeding or incurred without negligence or willful misconduct on their
      part, arising out of, or in connection with, the acceptance or administration
      of
      the trusts created hereunder or in connection with the performance of their
      duties hereunder or under the Exchange Trust Agreement, the Mortgage Loan Sale
      Agreement, the Transfer Agreement, any Servicing Agreement or the Custodial
      Agreements, including any applicable fees and expenses payable pursuant to
      Section 6.12 and the costs and expenses of defending themselves against any
      claim in connection with the exercise or performance of any of their powers
      or
      duties hereunder, provided that:

    

    
      
        
        

      

      
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    (i) with
      respect to any such claim, the Trustee or the Securities Administrator, as
      applicable, shall have given the Depositor, the Master Servicer and the Holders
      written notice thereof promptly after a Responsible Officer of the Trustee
      or
      the Securities Administrator, as applicable, shall have knowledge thereof
      provided that the failure to provide such prompt written notice shall not affect
      the Trustee’s or Securities Administrator’s right to indemnification
      hereunder;

    

    (ii) while
      maintaining control over its own defense, the Trustee or the Securities
      Administrator, as applicable, shall cooperate and consult fully with the
      Depositor and the Master Servicer in preparing such defense; and

    

    (iii) notwithstanding
      anything to the contrary in this Section 6.11, the Trust Fund shall not be
      liable for settlement of any such claim by the Trustee or the Securities
      Administrator, as applicable, entered into without the prior consent of the
      Depositor and the Master Servicer, which consent shall not be unreasonably
      withheld.

    

    The
      Trustee shall be further indemnified by the Seller for and held harmless
      against, any loss, liability or expense arising out of, or in connection with,
      the provisions set forth in the fourth paragraph of Section 2.01(a) hereof,
      including, without limitation, all costs, liabilities and expenses (including
      reasonable legal fees and expenses) of investigating and defending itself
      against any claim, action or proceeding, pending or threatened, relating to
      the
      provisions of such paragraph.

    

    The
      provisions of this Section 6.11 shall survive any termination of this Agreement
      and the resignation or removal of the Trustee or the Securities Administrator,
      as applicable, and shall be construed to include, but not be limited to any
      loss, liability or expense under any environmental law.

    

    Section
      6.12. Fees
      and Expenses of Securities Administrator, Trustee and Custodian.

    

    The
      Trustee shall be entitled, annually, to the Trustee Fee, which shall be paid
      by
      the Securities Administrator on the first Distribution Date of each Anniversary
      Year. The Securities Administrator shall be entitled to receive, and is
      authorized to pay itself, any investment income and earnings on the Certificate
      Account. The Trustee and the Securities Administrator shall be entitled to
      reimbursement of all reasonable expenses, disbursements and advances incurred
      or
      made by the Securities Administrator or Trustee, as applicable, in accordance
      with this Agreement (including fees and expenses of its counsel and all persons
      not regularly in its employment and any amounts described in Section 10.01
      to
      which such party is entitled as provided therein), except for expenses,
      disbursements and advances that either (i) do not constitute “unanticipated
      expenses” within the meaning of Treasury Regulation Section 1.860G-1(b)(3)(ii)
      or (ii) arise from its negligence, bad faith or willful misconduct. If the
      Trustee Fee is not fully paid, the Trust Fund shall immediately reimburse the
      Trustee upon demand for any shortfall from amounts on deposit in the Certificate
      Account. Each Custodian shall receive compensation and reimbursement or payment
      of its expenses under the applicable Custodial Agreement as provided therein;
      provided
      that,
      to the
      extent required under the Custodial Agreement, the Securities Administrator
      is
      hereby authorized to pay such compensation or indemnity amounts from amounts
      on
      deposit in the Certificate Account prior to any distributions to
      Certificateholders pursuant to Section 5.02 hereof. The provisions of the
      Section 6.12 shall survive the termination of this Agreement and the resignation
      or removal of the Securities Administrator and the Trustee.

    

    
      
        
        

      

      
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    Section
      6.13. Collection
      of Monies. 

    

    Except
      as
      otherwise expressly provided in this Agreement, the Securities Administrator
      and
      the Trustee, as applicable, may demand payment or delivery of, and shall receive
      and collect, all money and other property payable to or receivable by it
      pursuant to this Agreement. The Securities Administrator and the Trustee shall
      hold all such money and property received by it as part of the Trust Fund and
      shall distribute it as provided in this Agreement. If the Securities
      Administrator shall not have timely received amounts to be remitted with respect
      to the Mortgage Loans from the Master Servicer, the Securities Administrator
      shall request the Master Servicer to make such distribution as promptly as
      practicable or legally permitted. If the Trustee shall not have timely received
      amounts to be remitted with respect to the Mortgage Loans from the Securities
      Administrator, the Trustee shall request the Securities Administrator to make
      such distribution as promptly as practicable or legally permitted. If the
      Securities Administrator or the Trustee shall subsequently receive any such
      amounts, each may withdraw such request, respectively.

    

    Section
      6.14. Events
      of Default; Trustee To Act; Appointment of Successor. 

    

    (a) The
      occurrence of any one or more of the following events shall constitute an “Event
      of Default”:

    

    (i) Any
      failure by the Master Servicer to furnish to the Securities Administrator the
      Mortgage Loan data sufficient to prepare the reports described in Section
      4.03(a) (other than with respect to the information referred to in clause
      (xviii) of such Section 4.03(a)) which continues unremedied for a period of
      two
      (2) Business Days after the date upon which written notice of such failure
      shall
      have been given to such Master Servicer by the Trustee or the Securities
      Administrator or to such Master Servicer, the Securities Administrator and
      the
      Trustee by the Holders of not less than 25% of the Class Principal Amount of
      each Class of Certificates affected thereby; or 

    

    (ii) Any
      failure by the Master Servicer to duly perform, within the required time period
      and without notice, its obligations to provide any certifications required
      pursuant to Sections 9.25 or 9.26; or

    

    (iii) Except
      with respect to those items listed in clause (ii) above, any failure by the
      Master Servicer to duly perform, within the required time period, without notice
      or grace period, its obligations to provide any information, data or materials
      required to be provided hereunder pursuant to Section 9.23, including any items
      required to be included in any Exchange Act report; or

    

    
      
        
        

      

      
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    (iv) Any
      failure on the part of the Master Servicer duly to observe or perform in any
      material respect any other of the covenants or agreements on the part of the
      Master Servicer contained in this Agreement which continues unremedied for
      a
      period of 30 days after the date on which written notice of such failure,
      requiring the same to be remedied, shall have been given to the Master Servicer
      by the Trustee or the Securities Administrator, or to the Master Servicer,
      the
      Securities Administrator and the Trustee by the Holders of more than 50% of
      the
      Aggregate Voting Interests of the Certificates; or

    

    (v) A
      decree
      or order of a court or agency or supervisory authority having jurisdiction
      for
      the appointment of a conservator or receiver or liquidator in any insolvency,
      readjustment of debt, marshalling of assets and liabilities or similar
      proceedings, or for the winding-up or liquidation of its affairs, shall have
      been entered against the Master Servicer, and such decree or order shall have
      remained in force undischarged or unstayed for a period of 60 days or any Rating
      Agency reduces or withdraws or threatens to reduce or withdraw the rating of
      the
      Certificates because of the financial condition or loan servicing capability
      of
      such Master Servicer; or

    

    (vi) The
      Master Servicer shall consent to the appointment of a conservator or receiver
      or
      liquidator in any insolvency, readjustment of debt, marshalling of assets and
      liabilities, voluntary liquidation or similar proceedings of or relating to
      the
      Master Servicer or of or relating to all or substantially all of its property;
      or

    

    (vii) The
      Master Servicer shall admit in writing its inability to pay its debts generally
      as they become due, file a petition to take advantage of any applicable
      insolvency or reorganization statute, make an assignment for the benefit of
      its
      creditors or voluntarily suspend payment of its obligations; or

    

    (viii) The
      Master Servicer shall be dissolved, or shall dispose of all or substantially
      all
      of its assets, or consolidate with or merge into another entity or shall permit
      another entity to consolidate or merge into it, such that the resulting entity
      does not meet the criteria for a successor servicer as specified in Section
      9.27
      hereof; or

    

    (ix) If
      a
      representation or warranty set forth in Section 9.14 hereof shall prove to
      be
      incorrect as of the time made in any respect that materially and adversely
      affects the interests of the Certificateholders, and the circumstance or
      condition in respect of which such representation or warranty was incorrect
      shall not have been eliminated or cured within 30 days after the date on which
      written notice of such incorrect representation or warranty shall have been
      given to the Master Servicer by the Trustee or the Securities Administrator,
      or
      to the Master Servicer, the Securities Administrator and the Trustee by the
      Holders of more than 50% of the Aggregate Voting Interests of the Certificates;
      or

    

    
      
        
        

      

      
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    (x) A
      sale or
      pledge of any of the rights of the Master Servicer hereunder or an assignment
      of
      this Agreement by the Master Servicer or a delegation of the rights or duties
      of
      the Master Servicer hereunder shall have occurred in any manner not otherwise
      permitted hereunder and without the prior written consent of the Trustee and
      Certificateholders holding more than 50% of the Aggregate Voting Interests
      of
      the Certificates; or

    

    (xi) The
      Master Servicer has notice or actual knowledge that any Servicer at any time
      is
      not either a Fannie Mae- or Freddie Mac- approved Seller/Servicer, and the
      Master Servicer has not terminated the rights and obligations of such Servicer
      under the applicable Servicing Agreement and replaced such Servicer with a
      Fannie Mae- or Freddie Mac -approved servicer within 60 days of the date the
      Master Servicer receives such notice or acquires such actual
      knowledge.

    

    (xii) After
      receipt of notice from the Trustee or the Securities Administrator, any failure
      of the Master Servicer to deposit into the Certificate Account any payment
      required to be made for the benefit of Certificateholders under the terms of
      this Agreement, including any Advance, on the Master Servicer Remittance Date
      immediately preceding the related Distribution Date which such failure continues
      unremedied for a period of one Business Day after the date upon which notice
      of
      such failure shall have been given to the Master Servicer by the Trustee or
      the
      Securities Administrator.

    

    If
      an
      Event of Default described in clauses (i) through (xi) of this Section shall
      occur, then, in each and every case, subject to applicable law, so long as
      any
      such Event of Default shall not have been remedied within any period of time
      prescribed by this Section, the Trustee, by notice in writing to the Master
      Servicer (with a copy to the Securities Administrator) may, and shall, if so
      directed by Certificateholders evidencing more than 50% of the Class Principal
      Amount of each Class of Certificates, terminate all of the rights and
      obligations of the Master Servicer hereunder and in and to the Mortgage Loans
      and the proceeds thereof. If an Event of Default described in clause (xii)
      of
      this Section shall occur, then, in each and every case, subject to applicable
      law, so long as such Event of Default shall not have been remedied within the
      time period prescribed by clause (xii) of this Section 6.14, the Trustee (upon
      a
      Responsible Officer becoming aware of the occurrence thereof), by notice in
      writing to the Master Servicer (with a copy to the Securities Administrator),
      shall promptly terminate all of the rights and obligations of the Master
      Servicer hereunder and in and to the Mortgage Loans and the proceeds thereof.
      On
      or after the receipt by the Master Servicer of such written notice, all
      authority and power of the Master Servicer, and only in its capacity as Master
      Servicer under this Agreement, whether with respect to the Mortgage Loans or
      otherwise, shall pass to and be vested in the Securities Administrator and
      upon
      receipt of written notice by the Securities Administrator from the Trustee
      pursuant to and under the terms of this Agreement; provided,
      however,
      the
      parties acknowledge that notwithstanding the preceding sentence there may be
      a
      transition period, not to exceed 90 days, in order to effect the transfer of
      the
      Master Servicing obligations to the Securities Administrator; provided,
      further,
      the
      obligation to make Advances by the Securities Administrator shall be effective
      upon the Trustee providing notice to the Securities Administrator of the
      termination of the Master Servicer pursuant to this Section 6.14. The Securities
      Administrator is hereby authorized and empowered to execute and deliver, on
      behalf of the defaulting Master Servicer as attorney-in-fact or otherwise,
      any
      and all documents and other instruments, and to do or accomplish all other
      acts
      or things necessary or appropriate to effect the purposes of such notice of
      termination, whether to complete the transfer and endorsement or assignment
      of
      the Mortgage Loans and related documents or otherwise. The defaulting Master
      Servicer agrees to cooperate with the Trustee and the Securities Administrator
      in effecting the termination of the defaulting Master Servicer’s
      responsibilities and rights hereunder as Master Servicer including, without
      limitation, notifying Servicers of the assignment of the master servicing
      function and providing the Securities Administrator or its designee all
      documents and records in electronic or other form reasonably requested by it
      to
      enable the Securities Administrator or its designee to assume the defaulting
      Master Servicer’s functions hereunder and the transfer to the Securities
      Administrator for administration by it of all amounts which shall at the time
      be
      or should have been deposited by the defaulting Master Servicer in the
      Collection Account and any other account or fund maintained with respect to
      the
      Certificates or thereafter received with respect to the Mortgage Loans. The
      Master Servicer being terminated (or the Trust Fund, if the Master Servicer
      is
      unable to fulfill its obligations hereunder) as a result of an Event of Default
      shall bear all reasonable costs and expenses of a master servicing transfer,
      including but not limited to those of the Trustee or Securities Administrator
      reasonably allocable to specific employees and overhead, legal fees and
      expenses, accounting and financial consulting fees and expenses, and costs
      of
      amending the Agreement, if necessary.

    

    
      
        
        

      

      
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    The
      Securities Administrator and the Trustee shall be entitled to be reimbursed
      from
      the Master Servicer (or by the Trust Fund, if the Master Servicer is unable
      to
      fulfill its obligations hereunder) for all costs associated with the transfer
      of
      master servicing from the predecessor Master Servicer, including, without
      limitation, any costs or expenses associated with the complete transfer of
      all
      master servicing data and the completion, correction or manipulation of such
      servicing data as may be required by the Securities Administrator to correct
      any
      errors or insufficiencies in the master servicing data or otherwise to enable
      the Securities Administrator to master service the Mortgage Loans properly
      and
      effectively. If the terminated Master Servicer does not pay such reimbursement
      within thirty (30) days of its receipt of an invoice therefore, such
      reimbursement shall be an expense of the Trust and the Securities Administrator
      and the Trustee, as applicable, shall be entitled to withdraw such reimbursement
      from amounts on deposit in the Collection Account pursuant to Section 4.02;
      provided that the terminated Master Servicer shall reimburse the Trust for
      any
      such expense incurred by the Trust; and provided, further, that the Securities
      Administrator shall decide whether and to what extent it is in the best interest
      of the Certificateholders to pursue any remedy against any party obligated
      to
      make such reimbursement.

    

    Notwithstanding
      the termination of its activities as Master Servicer, each terminated Master
      Servicer shall continue to be entitled to reimbursement to the extent provided
      in Section 4.02 to the extent such reimbursement relates to the period prior
      to
      such Master Servicer’s termination.

    

    If
      any
      Event of Default shall occur, the Trustee, upon a Responsible Officer of the
      Trustee becoming aware of the occurrence thereof, shall promptly notify the
      Securities Administrator and each Rating Agency of the nature and extent of
      such
      Event of Default. If
      any
      Event of Default shall occur, the Securities Administrator, upon a Responsible
      Officer of the Securities Administrator becoming aware of the occurrence
      thereof, shall promptly notify the Trustee of the nature and extent of such
      Event of Default. The Securities Administrator shall immediately give
      written notice to the Master Servicer and the Trustee upon the Master Servicer’s
      failure to remit funds to the Securities Administrator on the Master Servicer
      Remittance Date.

    

    
      
        
        

      

      
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    (b) On
      and
      after the time the Master Servicer receives a notice of termination from the
      Trustee pursuant to Section 6.14(a) or the Trustee receives the resignation
      of
      the Master Servicer evidenced by an Opinion of Counsel pursuant to Section
      9.28
      but in any event within a period of time not to exceed 90 days after the Master
      Servicer or the Securities Administrator receives such written notice pursuant
      to Section 6.14(a), Section 6.17 or Section 9.28, respectively, the Securities
      Administrator, unless another master servicer shall have been appointed, shall
      be the successor in all respects to the Master Servicer in its capacity as
      such
      under this Agreement and the transactions set forth or provided for herein
      and
      shall have all the rights and powers and be subject to all the responsibilities,
      duties and liabilities relating thereto and arising thereafter placed on the
      Master Servicer hereunder, including the obligation to make Advances;
provided,
      however,
      that
      any failure to perform such duties or responsibilities caused by the Master
      Servicer’s failure to provide information required by this Agreement shall not
      be considered a default by the Securities Administrator or the Trustee
      hereunder. In addition, neither the Trustee nor the Securities
      Administrator shall have any responsibility for any act or omission of the
      Master Servicer prior to the issuance of any notice of termination and within
      a
      period of time not to exceed 90 days after the Master Servicer or the Securities
      Administrator receives such written notice pursuant to Section 6.14(a) or
      Section 9.28, as applicable. Neither the Trustee nor the Securities
      Administrator shall have any liability relating to the representations and
      warranties of the Master Servicer set forth in Section 9.14. In the Securities
      Administrator’s capacity as such successor, the Securities Administrator shall
      have the same limitations on liability herein granted to the Master Servicer.
      As
      compensation therefor, the Securities Administrator shall be entitled to receive
      all compensation payable to the Master Servicer under this Agreement, including
      the Master Servicing Fee.

    

    (c) Notwithstanding
      the above, the Securities Administrator may, if it shall be unwilling to
      continue to so act, or shall, if it is unable to so act, petition a court of
      competent jurisdiction to appoint, or appoint on its own behalf any established
      housing and home finance institution servicer, master servicer, servicing or
      mortgage servicing institution having a net worth of not less than $15,000,000
      and meeting such other standards for a successor master servicer as are set
      forth in this Agreement, as the successor to such Master Servicer in the
      assumption of all of the responsibilities, duties or liabilities of the Master
      Servicer hereunder. Any entity designated by the Trustee or the Securities
      Administrator as a successor master servicer may be an Affiliate of the Trustee
      or the Securities Administrator; provided, however, that, unless such Affiliate
      meets the net worth requirements and other standards set forth herein for a
      successor master servicer, the Trustee or the Securities Administrator, in
      its
      individual capacity shall agree, at the time of such designation, to be and
      remain liable to the Trust Fund for such Affiliate’s actions and omissions in
      performing its duties hereunder. In connection with such appointment and
      assumption, the Trustee or the Securities Administrator may make such
      arrangements for the compensation of such successor out of payments on Mortgage
      Loans as it and such successor shall agree; provided, however, that no such
      compensation shall be in excess of that permitted to the Master Servicer
      hereunder. The Trustee, the Securities Administrator and such successor shall
      take such actions, consistent with this Agreement, as shall be necessary to
      effectuate any such succession and may make other arrangements with respect
      to
      the servicing to be conducted hereunder which are not inconsistent herewith.
      The
      Master Servicer shall cooperate with the Trustee, the Securities Administrator
      and any successor master servicer in effecting the termination of the Master
      Servicer’s responsibilities and rights hereunder including, without limitation,
      notifying Mortgagors of the assignment of the master servicing functions and
      providing the Trustee, the Securities Administrator and successor master
      servicer, as applicable, all documents and records in electronic or other form
      reasonably requested by it to enable it to assume the Master Servicer’s
      functions hereunder and the transfer to the Trustee, the Securities
      Administrator or such successor master servicer, as applicable, all amounts
      which shall at the time be or should have been deposited by the Master Servicer
      in the Collection Account and any other account or fund maintained with respect
      to the Certificates or the Lower Tier REMIC 1 Uncertificated Regular Interests
      or thereafter be received with respect to the Mortgage Loans. Neither the
      Trustee, the Securities Administrator nor any other successor master servicer
      shall be deemed to be in default hereunder by reason of any failure to make,
      or
      any delay in making, any distribution hereunder or any portion thereof caused
      by
      (i) the failure of the Master Servicer to deliver, or any delay in delivering,
      cash, documents or records to it, (ii) the failure of the Master Servicer to
      cooperate as required by this Agreement, (iii) the failure of the Master
      Servicer to deliver the Mortgage Loan data to the Securities Administrator
      as
      required by this Agreement or (iv) restrictions imposed by any regulatory
      authority having jurisdiction over the Master Servicer. Neither the Securities
      Administrator nor any other successor master servicer shall be deemed to be
      in
      default hereunder by reason of any failure to make, or any delay in making,
      any
      distribution hereunder or any portion thereof caused by (i) the failure of
      the
      Trustee to deliver, or any delay in delivering cash, documents or records to
      it,
      or (ii) the failure of Trustee to cooperate as required by this
      Agreement.

    

    
      
        
        

      

      
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    Notwithstanding
      anything herein to the contrary, in no event shall the Trustee be liable for
      any
      Master Servicing Fee or Servicing Fee or for any differential in the amount
      of
      the Master Servicing Fee or Servicing Fee paid hereunder or under the applicable
      Servicing Agreement and the amount necessary to induce any successor master
      servicer or successor servicer to act as successor master servicer or successor
      servicer under this Agreement or the applicable Servicing Agreement and the
      transactions set forth or provided for herein.

    

    Section
      6.15. Additional
      Remedies of Trustee Upon Event of Default. 

    

    During
      the continuance of any Event of Default, so long as such Event of Default shall
      not have been remedied, the Trustee, in addition to the rights specified in
      Section 6.14, shall have the right, in its own name and as trustee of an express
      trust, to take all actions now or hereafter existing at law, in equity or by
      statute to enforce its rights and remedies and to protect the interests, and
      enforce the rights and remedies, of the Certificateholders (including the
      institution and prosecution of all judicial, administrative and other
      proceedings and the filings of proofs of claim and debt in connection
      therewith). Except as otherwise expressly provided in this Agreement, no remedy
      provided for by this Agreement shall be exclusive of any other remedy, and
      each
      and every remedy shall be cumulative and in addition to any other remedy, and
      no
      delay or omission to exercise any right or remedy shall impair any such right
      or
      remedy or shall be deemed to be a waiver of any Event of Default.

    

    
      
        
        

      

      
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    Section
      6.16. Waiver
      of Defaults. 

    

    More
      than
      50% of the Aggregate Voting Interests of Certificateholders may waive any
      default or Event of Default by the Master Servicer in the performance of its
      obligations hereunder, except that a default in the making of any required
      deposit to the Certificate Account that would result in a failure of the
      Securities Administrator to make any required payment of principal of or
      interest on the Certificates may only be waived with the consent of 100% of
      the
      affected Certificateholders. Upon any such waiver of a past default, such
      default shall cease to exist, and any Event of Default arising therefrom shall
      be deemed to have been remedied for every purpose of this Agreement. No such
      waiver shall extend to any subsequent or other default or impair any right
      consequent thereon except to the extent expressly so waived.

    

    Section
      6.17. Notification
      to Holders. 

    

    Upon
      termination of the Master Servicer or appointment of a successor to the Master
      Servicer, in each case as provided herein, the Trustee shall promptly mail
      notice thereof by first class mail to the Securities Administrator, whereupon
      the Securities Administrator shall promptly mail notice thereof by first class
      mail to the Certificateholders at their respective addresses appearing on the
      Certificate Register. The Securities Administrator shall also, within 45 days
      after the occurrence of any Event of Default known to a Responsible Officer
      of
      the Securities Administrator, give written notice thereof to the Trustee and
      the
      Certificateholders, unless such Event of Default shall have been cured or waived
      prior to the issuance of such notice and within such 45-day period.

    

    Section
      6.18. Directions
      by Certificateholders and Duties of Trustee During Event of Default.

    

    Subject
      to the provisions of Section 8.01 hereof, during the continuance of any Event
      of
      Default, Holders of Certificates evidencing not less than 25% of the Class
      Principal Amount (or Percentage Interest) of each Class of Certificates affected
      thereby may direct the time, method and place of conducting any proceeding
      for
      any remedy available to the Trustee, or exercising any trust or power conferred
      upon the Trustee, under this Agreement; provided,
      however,
      that the
      Trustee shall be under no obligation to pursue any such remedy, or to exercise
      any of the trusts or powers vested in it by this Agreement (including, without
      limitation, (i) the conducting or defending of any administrative action or
      litigation hereunder or in relation hereto and (ii) the terminating of the
      Master Servicer or any successor master servicer from its rights and duties
      as
      master servicer hereunder) at the request, order or direction of any of the
      Certificateholders, unless such Certificateholders shall have offered to the
      Trustee reasonable security or indemnity against the cost, expenses and
      liabilities which may be incurred therein or thereby; and, provided further,
      that
      the Trustee shall have the right to decline to follow any such direction if
      the
      Trustee determines that the action or proceeding so directed may not lawfully
      be
      taken or if the Trustee in good faith determines that the action or proceeding
      so directed would involve it in personal liability for which it is not
      indemnified to its satisfaction or be unjustly prejudicial to the non-assenting
      Certificateholders.

    

    
      
        
        

      

      
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    Section
      6.19. Action
      Upon Certain Failures of the Master Servicer and Upon Event of Default.

    

    In
      the
      event that a Responsible Officer of the Trustee or the Securities Administrator
      shall have actual knowledge of any action or inaction of the Master Servicer
      that would become an Event of Default upon the Master Servicer’s failure to
      remedy the same after notice, the Trustee or the Securities Administrator,
      as
      applicable, shall give notice thereof to the Master Servicer, the Trustee and
      the Securities Administrator, as applicable.

    

    Section
      6.20. Preparation
      of Tax Returns and Other Reports. 

    

    (a) The
      Securities Administrator shall prepare or cause to be prepared on behalf of
      the
      Trust Fund, based upon information calculated in accordance with this Agreement
      pursuant to instructions given by the Depositor, and the Securities
      Administrator shall file federal tax returns, all in accordance with Article
      X
      hereof. If the Securities Administrator determines that a state tax return
      or
      other return is required, then, at its sole expense, the Securities
      Administrator shall prepare and file such state income tax returns and such
      other returns as may be required by applicable law relating to the Trust Fund,
      and, if required by state law, and shall file any other documents to the extent
      required by applicable state tax law (to the extent such documents are in the
      Securities Administrator’s possession). The Securities Administrator shall
      forward copies to the Depositor of all such returns and supplemental tax
      information and such other information within the Securities Administrator’s
      control as the Depositor may reasonably request in writing. The Securities
      Administrator shall furnish to each Certificateholder, such forms and such
      information within the control of the Securities Administrator as are required
      by the Code and the REMIC Provisions to be furnished to them (other than any
      Form 1099s). The Master Servicer will indemnify the Securities Administrator
      and
      the Trustee for any liability of or assessment against the Securities
      Administrator and the Trustee, as applicable, resulting from any error in any
      of
      such tax or information returns directly resulting from or arising out of errors
      in the information provided by such Master Servicer.

    

    In
      addition, the Securities Administrator shall prepare, sign and file all of
      the
      tax returns in respect of the grantor trusts referred to in Section 11.15.
      The
      expenses of preparing and filing such returns shall be borne by the Securities
      Administrator without any right of reimbursement therefor.

    

    (b) The
      Securities Administrator shall treat the grantor trust described in Section
      11.15 as a WHFIT that is a WHMT. The Securities Administrator shall report
      as
      required under the WHFIT Regulations to the extent such information as is
      reasonably necessary to enable the Securities Administrator to do so is provided
      to the Securities Administrator on a timely basis. For this purpose, the
      Securities Administrator may assume that DTC is the only middleman listed as
      the
      registered Holder for the related Certificates. 

    

    The
      Securities Administrator shall report required WHFIT information using the
      accrual method. The Securities Administrator shall make available WHFIT
      information to holders annually. In addition, the Securities Administrator
      shall
      not be responsible or liable for providing subsequently amended, revised or
      updated information to any holder, unless requested by the holder.

    

    
      
        
        

      

      
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    The
      Securities Administrator shall not be liable for failure to meet the reporting
      requirements of the WHFIT Regulations nor for any penalties thereunder if such
      failure is due to: (i) the lack of reasonably necessary information being
      provided to the Securities Administrator, (ii) incomplete, inaccurate or
      untimely information being provided to the Securities Administrator or (iii)
      the
      inability of the Securities Administrator, after good faith efforts, to alter
      its existing information reporting systems to capture information necessary
      to
      fully comply with the WHFIT Regulations for the 2007 calendar year. Each owner
      of a Certificate representing, in whole or in part, beneficial ownership of
      an
      interest in a WHFIT, by acceptance of its interest in such Certificate, will
      be
      deemed to have agreed to provide the Securities Administrator with information
      regarding any sale of such Certificate, including the price, amount of proceeds
      and date of sale. Absent receipt of such information, and unless informed
      otherwise by the Depositor, the Securities Administrator may assume there is
      no
      secondary market trading of WHFIT interests.

    

    (c) To
      the
      extent required by the WHFIT Regulations, the Securities Administrator shall
      use
      reasonable efforts to publish on an appropriate website the CUSIPs for the
      Certificates that represent ownership of a WHFIT. The CUSIPs so published will
      represent the Rule 144A CUSIPs. The Securities Administrator shall make
      reasonable good faith efforts to keep the website accurate and updated to the
      extent CUSIPs have been received. Absent the receipt of a CUSIP, the Securities
      Administrator shall use a reasonable identifier number in lieu of a CUSIP.
      The
      Securities Administrator shall not be liable for investor reporting delays
      that
      result from the receipt of inaccurate or untimely CUSIP
      information.

    

    (d) The
      Securities Administrator shall prepare and file with the Internal Revenue
      Service (“IRS”), on behalf of the Trust Fund and each of the REMICs specified in
      the Preliminary Statement, an application for an employer identification number
      on IRS Form SS-4 or by any other acceptable method. The Securities Administrator
      shall also file a Form 8811 as required. The Securities Administrator, upon
      receipt from the IRS of the Notice of Taxpayer Identification Number Assigned,
      shall upon request promptly forward a copy of such notice to the Trustee and
      the
      Depositor. The Trustee shall have no obligation to verify the information in
      any
      Form 8811 or Form SS-4 filing.

    

    (e) The
      Depositor shall prepare or cause to be prepared the initial current report
      on
      Form 8-K. Thereafter, the Securities Administrator shall, in accordance with
      industry standards and the rules of the Commission as in effect from time to
      time (the “Rules”), prepare and file with the Commission via the Electronic Data
      Gathering and Retrieval System (“EDGAR”), the reports listed in subsections (f)
      through (i) of this Section 6.20 in respect of the Trust Fund as and to the
      extent required under the Exchange Act.

    

    (f) Reports
      Filed on Form 10-D.

    

    
      
        
        

      

      
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    (i) Within
      15
      days after each Distribution Date (subject to permitted extensions under the
      Exchange Act), the Securities Administrator shall prepare and file on behalf
      of
      the Trust Fund any Form 10-D required by the Exchange Act, in form and substance
      as required by the Exchange Act. The Securities Administrator shall file each
      Form 10-D with a copy of the related Distribution Date Statement. Any disclosure
      in addition to the Distribution Date Statement that is required to be included
      on Form 10-D (“Additional Form 10-D Disclosure”) shall be determined and
      prepared by and at the direction of the Depositor pursuant to the following
      paragraph and the Securities Administrator will have no duty or liability for
      any failure hereunder to determine or prepare any Additional Form 10-D
      Disclosure, except as set forth in the next paragraph.

    

    (ii) As
      set
      forth on Exhibit L-1 hereto, within five calendar days after the related
      Distribution Date, (A) certain parties to the transaction contemplated hereby
      shall be required to provide to the Securities Administrator and the Depositor,
      to the extent known by a responsible officer (or with respect to the Securities
      Administrator, Responsible Officer) thereof, in EDGAR-compatible form (which
      may
      be Word or Excel documents easily convertible to EDGAR format), or in such
      other
      form as otherwise agreed upon by the Securities Administrator and such party,
      the form and substance of any Additional Form 10-D Disclosure, if applicable,
      and include with such Additional Form 10-D Disclosure Notification in the form
      attached hereto as Exhibit L-4, and (B) the Depositor will approve, as to form
      and substance, or disapprove, as the case may be, the inclusion of the
      Additional Form 10-D Disclosure on Form 10-D. The Sponsor will be responsible
      for any reasonable fees and expenses assessed or incurred by the Securities
      Administrator in connection with including any Additional Form 10-D Disclosure
      on Form 10-D pursuant to this paragraph.

    

    (iii) After
      preparing the Form 10-D, the Securities Administrator shall forward
      electronically a copy of the Form 10-D to the Exchange Act Signing Party for
      review and approval. If the Master Servicer is the Exchange Act Signing Party
      and the Form 10-D includes Additional Form 10-D Disclosure, then the Form 10-D
      shall also be electronically distributed to the Depositor for review and
      approval. The Securities Administrator will make available to the Exchange
      Act
      Signing Party the monthly statement to certificateholders containing the
      information with respect to exchanges required to be included in such report
      for
      each Distribution Date and the Exchange Act Signing Party shall have the right
      to ask the Securities Administrator reasonable questions regarding any
      information reported in a certificateholder statement regarding any exchange.
      The Exchange Act Signing Party shall have the right to rely on any such
      information provided to it by the Securities Administrator. No later than two
      Business Days prior to the 15th
      calendar
      day after the related Distribution Date, a duly authorized representative of
      the
      Exchange Act Signing Party shall sign the Form 10-D and return an electronic
      or
      fax copy of such signed Form 10-D (with an original executed hard copy to follow
      by overnight mail) to the Securities Administrator. If a Form 10-D cannot be
      filed on time or if a previously filed Form 10-D needs to be amended, the
      Securities Administrator will follow the procedures set forth in subsection
      (i)(ii) of this Section 6.20. Promptly (but no later than one Business Day)
      after the deadline for filing such report with the Commission, the Securities
      Administrator will make available on its internet website a final executed
      copy
      of each Form 10-D prepared and filed by the Securities Administrator. Each
      party
      to this Agreement acknowledges that the performance by the Securities
      Administrator of its duties under this Section 6.20(f) related to the timely
      preparation and filing of Form 10-D is contingent upon such parties strictly
      observing all applicable deadlines in the performance of their duties under
      this
      Section 6.20(f). The Securities Administrator shall have no liability for any
      loss, expense, damage, claim arising out of or with respect to any failure
      to
      properly prepare and/or timely file such Form 10-D, where such failure results
      from the Securities Administrator’s inability or failure to obtain or receive,
      on a timely basis, any information from any other party hereto needed to
      prepare, arrange for execution or file such Form 10-D, not resulting from its
      own negligence, bad faith or willful misconduct.

    

    
      
        
        

      

      
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    (iv) Form
      10-D
      requires the registrant to indicate (by checking “yes” or “no”) that it “(1) has
      filed all reports required to be filed by Section 13 or 15(d) of the Exchange
      Act during the preceding 12 months (or for such shorter period that the
      registrant was required to file such reports), and (2) has been subject to
      such
      filing requirements for the past 90 days.” At the date of filing of each report
      on Form 10-D with respect to the Trust Fund, the Depositor shall be deemed
      to
      represent to the Securities Administrator that as of such date the Depositor
      has
      filed all such required reports during the preceding 12 months and that it
      has
      been subject to such filing requirement for the past 90 days. The Depositor
      shall notify the Securities Administrator in writing, no later than the fifth
      calendar day after the related Distribution Date with respect to the filing
      of a
      report on Form 10-D if the answer to the questions should be “no.” The
      Securities Administrator shall be entitled to rely on such representations
      in
      preparing, executing and/or filing any such report.

    

    (g) Reports
      Filed on Form 10-K.

    

    (i) Within
      90
      days after the end of each fiscal year of the Trust Fund for which the Trust
      Fund is subject to Exchange Act reporting requirements or such earlier date
      as
      may be required by the Exchange Act (the “10-K Filing Deadline”) (it being
      understood that the fiscal year for the Trust Fund ends on December
      31st
      of each
      year), commencing in March 2008, the Securities Administrator shall prepare
      and
      file on behalf of the Trust Fund a Form 10-K, in form and substance as required
      by the Exchange Act. To facilitate the Securities Administrator’s preparation of
      the Form 10-K, the Depositor shall provide to the Securities Administrator,
      no
      later than 30 days prior to the 10-K Filing Deadline, a template of the Form-10K
      in an Edgar-compatible format. Each such Form 10-K shall include the following
      items, in each case to the extent they have been delivered to the Securities
      Administrator within the applicable time frames set forth in this Agreement
      and
      in the related Servicing Agreements and Custodial Agreement, (A) an annual
      compliance statement for each Servicer, each Additional Servicer and the Master
      Servicer, as described under Section 9.26 hereof and in each Servicing
      Agreement, (B)(I) the annual reports on assessment of compliance with servicing
      criteria for each Servicer, the Custodian, each Additional Servicer, the Master
      Servicer, any Servicing Function Participant, the Paying Agent (if other than
      the Securities Administrator) and the Securities Administrator (each, a
“Reporting Servicer”), as described under Section 9.25(a) hereof and in each
      Servicing Agreement and Custodial Agreement, and (II) if any Reporting
      Servicer’s report on assessment of compliance with servicing criteria described
      under Section 9.25(a) hereof or in any Servicing Agreement or Custodial
      Agreement identifies any material instance of noncompliance, disclosure
      identifying such instance of noncompliance, or if any Reporting Servicer’s
      report on assessment of compliance with servicing criteria described under
      Section 9.25(a) hereof or in any Servicing Agreement or Custodial Agreement
      is
      not included as an exhibit to such Form 10-K, disclosure that such report is
      not
      included and an explanation why such report is not included, (C)(I) the
      registered public accounting firm attestation report for each Reporting
      Servicer, as described under Section 9.25(b) hereof and in each Servicing
      Agreement and Custodial Agreement and (II) if any registered public accounting
      firm attestation report described under Section 9.25(b) hereof or in any
      Servicing Agreement or Custodial Agreement identifies any material instance
      of
      noncompliance, disclosure identifying such instance of noncompliance, or if
      any
      such registered public accounting firm attestation report is not included as
      an
      exhibit to such Form 10-K, disclosure that such report is not included and
      an
      explanation why such report is not included, and (D) a Sarbanes-Oxley
      Certification. Any disclosure or information in addition to (A) through (D)
      above that is required to be included on Form 10-K (“Additional Form 10-K
      Disclosure”) shall be determined and prepared by and at the direction of the
      Depositor pursuant to the following paragraph and the Securities Administrator
      will have no duty or liability for any failure hereunder to determine or prepare
      any Additional Form 10-K Disclosure, except as set forth in the next paragraph.
      

    

    
      
        
        

      

      
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    (ii) As
      set
      forth on Exhibit L-2 hereto, no later than March 15 of each year that the Trust
      Fund is subject to the Exchange Act reporting requirements, commencing in 2008,
      (A) certain parties to the transaction contemplated hereby shall be required
      to
      provide to the Securities Administrator and the Depositor, to the extent known
      by a responsible officer (or with respect to the Securities Administrator,
      Responsible Officer) thereof, in EDGAR-compatible form (which may be Word or
      Excel documents easily convertible to EDGAR format), or in such other form
      as
      otherwise agreed upon by the Securities Administrator and such party, the form
      and substance of any Additional Form 10-K Disclosure, if applicable, and include
      with such Additional Form 10-K Disclosure, an Additional Disclosure Notification
      in the form attached hereto as Exhibit L-4, and (B) the Depositor will approve,
      as to form and substance, or disapprove, as the case may be, the inclusion
      of
      the Additional Form 10-K Disclosure on Form 10-K. The Securities Administrator
      has no duty under this Agreement to monitor or enforce the performance by the
      parties listed on Exhibit L-2 of their duties under this paragraph or
      proactively solicit or procure from such parties any Form 10-K Disclosure
      Information. The Sponsor will be responsible for any reasonable fees and
      expenses assessed or incurred by the Securities Administrator in connection
      with
      including any Additional Form 10-K Disclosure on Form 10-K pursuant to this
      paragraph. 

    

    (iii) After
      preparing the Form 10-K, the Securities Administrator shall forward
      electronically a copy of the Form 10-K to the Exchange Act Signing Party for
      review and approval. If the Master Servicer is the Exchange Act Signing Party
      and the Form 10-K includes Additional Form 10-K Disclosure, then the Form 10-K
      shall also be electronically distributed to the Depositor for review and
      approval. No later than the close of business New York City time on the 4th
      Business Day prior to the 10-K Filing Deadline, a duly authorized representative
      of the Exchange Act Signing Party shall sign the Form 10-K and return an
      electronic or fax copy of such signed Form 10-K (with an original executed
      hard
      copy to follow by overnight mail) to the Securities Administrator. If a Form
      10-K cannot be filed on time or if a previously filed Form 10-K needs to be
      amended, the Securities Administrator will follow the procedures set forth
      in
      subsection (i) of this Section 6.20. Promptly (but no later than one Business
      Day) after the deadline for filing such report with the Commission, the
      Securities Administrator will make available on its internet website a final
      executed copy of each Form 10-K prepared and filed by the Securities
      Administrator. The parties to this Agreement acknowledge that the performance
      by
      the Securities Administrator of its duties under this Section 6.20(g) related
      to
      the timely preparation and filing of Form 10-K is contingent upon such parties
      (and any Additional Servicer or Servicing Function Participant) strictly
      observing all applicable deadlines in the performance of their duties under
      this
      Section 6.20(g), Section 9.25(a), Section 9.25(b) and Section 9.26. The
      Securities Administrator shall have no liability for any loss, expense, damage,
      claim arising out of or with respect to any failure to properly prepare and/or
      timely file such Form 10-K, where such failure results from the Securities
      Administrator’s inability or failure to obtain or receive, on a timely basis,
      any information from any other party hereto needed to prepare, arrange for
      execution or file such Form 10-K, not resulting from its own negligence, bad
      faith or willful misconduct.

    

    
      
        
        

      

      
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    (iv) Each
      Form
      10-K shall include the Sarbanes-Oxley Certification. The Securities
      Administrator, the Paying Agent (if other than the Securities Administrator)
      and, if the Depositor is the Exchange Act Signing Party, the Master Servicer,
      shall, and the Securities Administrator, the Paying Agent (if other than the
      Securities Administrator) and the Master Servicer (if applicable) shall cause
      any Servicing Function Participant engaged by it to, provide to the Person
      who
      signs the Sarbanes-Oxley Certification (the “Certifying Person”), by March 15 of
      each year in which the Trust Fund is subject to the reporting requirements
      of
      the Exchange Act (each, a “Back-Up Certification”), in the form attached hereto
      as Exhibit P (or, in the case of the Paying Agent (if other than the Securities
      Administrator), such other form as agreed to between the Paying Agent and the
      Exchange Act Signing Party, upon which the Certifying Person, the entity for
      which the Certifying Person acts as an officer, and such entity’s officers,
      directors and Affiliates (collectively with the Certifying Person,
“Certification Parties”) can reasonably rely. The senior officer of the Exchange
      Act Signing Party shall serve as the Certifying Person on behalf of the Trust
      Fund. In the event the Master Servicer, the Securities Administrator, the Paying
      Agent (if other than the Securities Administrator) or any Servicing Function
      Participant engaged by such parties is terminated or resigns pursuant to the
      terms of this Agreement, such party or Servicing Function Participant shall
      provide a Back-Up Certification to the Certifying Person pursuant to this
      Section 6.20(g)(iv) with respect to the period of time it was subject to this
      Agreement.

    

    (v) Each
      person (including their officers or directors) that signs any Form 10-K
      Certification shall be entitled to indemnification from the Trust Fund for
      any
      liability or expense incurred by it in connection with such certification,
      other
      than any liability or expense attributable to such Person’s own bad faith,
      negligence or willful misconduct. The provisions of this subsection shall
      survive any termination of this Agreement and the resignation or removal of
      such
      Person.

    

    
      
        
        

      

      
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    (vi) Form
      10-K
      requires the registrant to indicate (by checking “yes” or “no”) that it “(1) has
      filed all reports required to be filed by Section 13 or 15(d) of the Exchange
      Act during the preceding 12 months (or for such shorter period that the
      registrant was required to file such reports), and (2) has been subject to
      such
      filing requirements for the past 90 days.” At the date of filing of each report
      on Form 10-K with respect to the Trust Fund, the Depositor shall be deemed
      to
      represent to the Securities Administrator that as of such date the Depositor
      has
      filed all such required reports during the preceding 12 months and that it
      has
      been subject to such filing requirement for the past 90 days. The Depositor
      shall notify the Securities Administrator in writing, no later than March
      15th
      with
      respect to the filing of a report on Form 10-K, if the answer to the questions
      should be “no.” The Securities Administrator shall be entitled to rely on such
      representations in preparing, executing and/or filing any such
      report.

    

    (h) Reports
      Filed on Form 8-K.

    

    (i) Within
      four Business Days after the occurrence of an event requiring disclosure on
      Form
      8-K (each such event, a “Reportable Event”), and if requested by the Depositor,
      the Securities Administrator shall prepare and file on behalf of the Trust
      Fund
      any Form 8-K, as required by the Exchange Act, provided
      that the
      Depositor shall file the initial Form 8-K in connection with the issuance of
      the
      Certificates. Any disclosure or information related to a Reportable Event or
      that is otherwise required to be included on Form 8-K (“Form 8-K Disclosure
      Information”) shall be determined and prepared by and at the direction of the
      Depositor pursuant to the following paragraph and the Securities Administrator
      will have no duty or liability for any failure hereunder to determine or prepare
      any Form 8-K Disclosure Information or any Form 8-K, except as set forth in
      the
      next paragraph. 

    

    (ii) As
      set
      forth on Exhibit L-3 hereto, for so long as the Trust Fund is subject to the
      Exchange Act reporting requirements, no later than Noon New York City time
      on
      the 2nd Business Day after the occurrence of a Reportable Event (A) certain
      parties to the transaction contemplated hereby shall be required to provide
      to
      the Securities Administrator and the Depositor, to the extent known by a
      responsible officer thereof (or, with respect to the Securities Administrator,
      a
      Responsible Officer thereof), in EDGAR-compatible form (which may be Word or
      Excel documents easily convertible to EDGAR format), or in such other form
      as
      otherwise agreed upon by the Securities Administrator and such party, the form
      and substance of any Form 8-K Disclosure Information, if applicable, and include
      with such Form 8-K Disclosure Information, an Additional Disclosure Notification
      in the form attached hereto as Exhibit L-4, and (B) the Depositor will approve,
      as to form and substance, or disapprove, as the case may be, the inclusion
      of
      the Form 8-K Disclosure Information. The Securities Administrator has no duty
      under this Agreement to monitor or enforce the performance by the parties listed
      on Exhibit L-3 of their duties under this paragraph or proactively solicit
      or
      procure from such parties any Form 8-K Disclosure Information. The Sponsor
      will
      be responsible for any reasonable fees and expenses assessed or incurred by
      the
      Securities Administrator in connection with including any Form 8-K Disclosure
      Information on Form 8-K pursuant to this paragraph. 

    

    
      
        
        

      

      
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    (iii) After
      preparing the Form 8-K, the Securities Administrator shall forward
      electronically, no later than Noon New York City time on the 3rd
      Business
      Day after the Reportable Event, a copy of the Form 8-K to the Exchange Act
      Signing Party for review and approval. If the Master Servicer is the Exchange
      Act Signing Party, then the Form 8-K shall also be electronically distributed
      to
      the Depositor for review and approval. No later than Noon New York City time
      on
      the 4th
      Business
      Day after the Reportable Event, a senior officer of the Exchange Act Signing
      Party shall sign the Form 8-K and return an electronic or fax copy of such
      signed Form 8-K (with an original executed hard copy to follow by overnight
      mail) to the Securities Administrator. If a Form 8-K cannot be filed on time
      or
      if a previously filed Form 8-K needs to be amended, the Securities Administrator
      will follow the procedures set forth in subsection (i) of this Section 6.20.
      Promptly (but no later than one Business Day) after the deadline for filing
      such
      Form with the Commission, the Securities Administrator will make available
      on
      its internet website a final executed copy of each Form 8-K prepared and filed
      by it pursuant to this Section 6.20(h). The parties to this Agreement
      acknowledge that the performance by the Securities Administrator of its duties
      under this Section 6.20(h) related to the timely preparation and filing of
      Form
      8-K is contingent upon such parties strictly observing all applicable deadlines
      in the performance of their duties under this Section 6.20(h). The Securities
      Administrator shall have no liability for any loss, expense, damage, claim
      arising out of or with respect to any failure to properly prepare and/or timely
      file such Form 8-K, where such failure results from the Securities
      Administrator’s inability or failure to obtain or receive, on a timely basis,
      any information from any other party hereto needed to prepare, arrange for
      execution or file such Form 8-K, not resulting from its own negligence, bad
      faith or willful misconduct. 

    

    (i) Suspension
      of Reporting Obligation; Amendments; Late Filings.

    

    (i) On
      or
      before January 30th
      of the
      first year in which the Securities Administrator is able to do so under
      applicable law, unless otherwise directed by the Depositor, the Securities
      Administrator shall prepare and file a Form 15 relating to the automatic
      suspension of reporting in respect of the Trust Fund under the Exchange Act.
      

    

    (ii) In
      the
      event that the Securities Administrator becomes aware that it will be unable
      to
      timely file with the Commission all or any required portion of any Form 8-K,
      10-D or 10-K required to be filed by this Agreement because required disclosure
      information was either not delivered to it or delivered to it after the delivery
      deadlines set forth in this Agreement or for any other reason, the Securities
      Administrator will promptly notify the Depositor. In the case of Form 10-D
      and
      10-K, the parties to this Agreement and each Servicer will cooperate to prepare
      and file a Form 12b-25 and a 10-D/A and 10-K/A as applicable, pursuant to Rule
      12b-25 of the Exchange Act. In the case of Form 8-K, the Securities
      Administrator will, upon receipt of all required Form 8-K Disclosure Information
      and upon the approval and direction of the Depositor, include such disclosure
      information on the next Form 10-D. In the event that any previously filed Form
      8-K, 10-D or 10-K needs to be amended with respect to an additional disclosure
      item, the Securities Administrator will notify the Depositor and any applicable
      party affected thereby and such parties will cooperate to prepare any necessary
      8-K/A, 10-D/A or 10-K/A. Any Form 15, Form 12b-25 or any amendment to Form
      8-K,
      10-D or 10-K shall be signed by a senior officer or a duly authorized
      representative, as applicable, of the Exchange Act Signing Party. The parties
      to
      this Agreement acknowledge that the performance by the Securities Administrator
      of its duties under this Section 6.20(g) related to the timely preparation
      and
      filing of Form 15, a Form 12b-25 or any amendment to Form 8-K, 10-D or 10-K
      is
      contingent upon each such party performing its duties under this Section. The
      Securities Administrator shall have no liability for any loss, expense, damage,
      claim arising out of or with respect to any failure to properly prepare and/or
      timely file any such Form 15, Form 12b-25 or any amendments to Forms 8-K, 10-D
      or 10-K, where such failure results from the Securities Administrator’s
      inability or failure to obtain or receive, on a timely basis, any information
      from any other party hereto needed to prepare, arrange for execution or file
      such Form 15, Form 12b-25 or any amendments to Forms 8-K, 10-D or 10-K, not
      resulting from its own negligence, bad faith or willful misconduct.

    

    
      
        
        

      

      
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    (j) Any
      party
      that signs any Exchange Act report that the Securities Administrator is required
      to file shall provide to the Securities Administrator prompt notice of the
      execution of such Exchange Act report along with the name and contact
      information for the person signing such report and shall promptly deliver to
      the
      Securities Administrator the original executed signature page for such report.
      In addition, each of the parties agrees to provide to the Securities
      Administrator such additional information related to such party as the
      Securities Administrator may reasonably request, including evidence of the
      authorization of the person signing any certification or statement, financial
      information and reports, and such other information related to such party or
      its
      performance hereunder. 

    

    (k) The
      Depositor and the Master Servicer, by mutual agreement, shall determine which
      of
      the Depositor or the Master Servicer shall be the initial Exchange Act Signing
      Party. Upon such determination, the Depositor shall timely notify the Securities
      Administrator, and such notice shall provide contact information for the
      Exchange Act Signing Party. If the Depositor and Master Servicer, at any time,
      mutually agree to change the identity of the Exchange Act Signing Party, the
      Depositor shall provide timely notice to the Securities Administrator of any
      such change. Any notice delivered pursuant to this Section 6.20 may be by fax
      or
      electronic copy notwithstanding the notice provisions of Section
      11.07.

    

    Section
      6.21. [Reserved]

    

    Section
      6.22. No
      Merger. 

    

    The
      Trustee shall not cause or otherwise knowingly permit the assets of the Trust
      Fund to be merged or consolidated with any other entity, except as a result
      of a
      final judicial determination.

    

    Section
      6.23. Indemnification
      by the Securities Administrator and Paying Agent. 

    

    
      
        
        

      

      
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    The
      Securities Administrator (including in its capacity as Paying Agent) and any
      Paying Agent other than the Securities Administrator each agrees to indemnify
      the Depositor, the Trustee and the Master Servicer, and each of their respective
      directors, officers, employees and agents and the Trust Fund and hold each
      of
      them harmless from and against any losses, damages, penalties, fines,
      forfeitures, legal fees and expenses and related costs, judgments, and any
      other
      costs, fees and expenses that any of them may sustain arising out of or based
      upon the engagement by it of any Subcontractor in violation of Section 6.01(k)
      or any failure by it to deliver any assessment of compliance, information,
      report or certification when and as required under Sections 6.20 or
      9.25(a).

    

    Section
      6.24. Compliance
      with Regulation AB.

    

    Each
      of
      the parties hereto acknowledges and agrees that the purpose of Sections 6.01
      and
      6.20 of this Agreement is to facilitate compliance by the Sponsor, the Master
      Servicer, the Depositor and the Securities Administrator with the provisions
      of
      Regulation AB, as such may be amended or clarified from time to time. Therefore,
      each of the parties agrees that (a) the obligations of the parties hereunder
      shall be interpreted in such a manner as to accomplish compliance with
      Regulation AB, (b) the parties’ obligations hereunder will be supplemented and
      modified as necessary to be consistent with any such amendments, interpretive
      advice or guidance from the Commission, convention or consensus among active
      participants in the asset-backed securities markets, or otherwise in respect
      of
      the requirements of Regulation AB and (c) the parties shall comply with
      reasonable requests made by the Sponsor, the Master Servicer, the Depositor
      or
      the Securities Administrator for delivery of additional or different
      information, to the extent such information is available or reasonably
      attainable within such time frame as may be requested, as the Sponsor, the
      Master Servicer, the Depositor or the Securities Administrator may determine
      in
      good faith is necessary to comply with the provisions of Regulation
      AB.

    

    ARTICLE
      VII

    

    PURCHASE
      AND TERMINATION

    OF
      THE
      TRUST FUND

    

    Section
      7.01. Termination
      of Trust Fund Upon Repurchase or Liquidation of All Mortgage Loans.

    

    (a) The
      respective obligations and responsibilities of the Trustee, the Securities
      Administrator and the Master Servicer created hereby (other than the obligation
      of the Securities Administrator to make payments to Certificateholders as set
      forth in Section 7.02, the obligation of the Master Servicer to make a final
      remittance to the Securities Administrator pursuant to Section 4.01 for deposit
      into the Certificate Account and the obligations of the Master Servicer to
      the
      Securities Administrator and the Trustee pursuant to Sections 9.10 and
      9.14), shall terminate upon the occurrence of the earlier of (i) the final
      payment or other liquidation of the last Mortgage Loan remaining in the Trust
      Fund and the disposition of all REO Property, (ii) the sale of the property
      held
      by the Trust Fund in accordance with Section 7.01(b) and (iii) the Latest
      Possible Maturity Date (each, a “Trust Fund Termination Event”); provided,
      however,
      that in
      no event shall the Trust Fund created hereby continue beyond the expiration
      of
      21 years from the death of the last survivor of the descendants of Joseph P.
      Kennedy, the late Ambassador of the United States to the Court of St. James’s,
      living on the date hereof or beyond the Latest Possible Maturity Date. Upon
      the
      occurrence of a Trust Fund Termination Event, each REMIC shall be terminated
      in
      a manner that shall qualify as a “qualified liquidation” under the REMIC
      Provisions.

    

    
      
        
        

      

      
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    (b) On
      any
      Distribution Date occurring after the date on which the aggregate Scheduled
      Principal Balance of the Mortgage Loans is less than 10% of the Cut-off Date
      Aggregate Principal Balance (the “Initial Optional Termination Date”), the
      Master Servicer or LTURI holders, as applicable, may, upon written direction
      to
      the Trustee (delivered no later than 30 days prior to the anticipated sale
      date), with a copy to the Securities Administrator, cause (i) the Trustee to
      sell (or arrange for the sale of) in consultation with the Master Servicer
      or
      LTURI holders, as applicable, the assets of the Trust Fund and (ii) the Trust
      Fund to adopt a plan of complete liquidation pursuant to Section 7.03(a)(i)
      hereof to sell all of its property. The property of the Trust Fund shall be
      sold
      at a price (the “Termination Price”) equal to the sum of: (i) 100% of the unpaid
      principal balance of each Mortgage Loan on the day of such purchase plus
      interest accrued thereon at the applicable Mortgage Rate with respect to any
      Mortgage Loan to the Due Date in the Due Period immediately preceding the
      related Distribution Date to the date of such repurchase, (ii) the fair market
      value of any REO Property and any other property held by any REMIC, such fair
      market value to be determined by an appraiser or appraisers appointed by the
      Master Servicer and reasonably acceptable to the Trustee (reduced, in the case
      of REO Property, by (1) reasonably anticipated disposition costs (as determined
      by the Master Servicer plus interest accrued thereon at the applicable Net
      Mortgage Rate to the date of purchases) and (2) any amount by which the fair
      market value as so reduced exceeds the outstanding principal balance of the
      related Mortgage Loan) and (iii) any unreimbursed Servicing Advances with
      respect to each Mortgage Loan. The Master Servicer, each Servicer, the Trustee,
      the Securities Administrator and each Custodian shall be reimbursed from the
      Termination Price for any Mortgage Loan or related REO Property for any Advances
      made or other amounts advanced with respect to the Mortgage Loans that are
      reimbursable to any such entity under this Agreement, the applicable Servicing
      Agreement or the applicable Custodial Agreement, together with any accrued
      and
      unpaid compensation and any other amounts due to the Master Servicer, the
      Securities Administrator or the Trustee hereunder or the Servicers or the
      Custodians.

    

    (c) On
      any
      Distribution Date occurring on or after the Initial Optional Termination Date,
      the Master Servicer, with the prior written consent of the Seller, which consent
      shall not be unreasonably withheld, has the option to purchase all of the Lower
      Tier REMIC 1 Uncertificated Regular Interests. Upon exercise of such option,
      the
      Lower Tier REMIC 1 Uncertificated Regular Interests shall be sold to the Master
      Servicer at a price (the “Lower Tier REMIC 1 Uncertificated Regular Interests
      Purchase Price”) equal to the sum of (i) 100% of the unpaid principal balance of
      each Mortgage Loan on the day of such purchase plus interest accrued thereon
      at
      the applicable Mortgage Rate with respect to any Mortgage Loan to the Due Date
      in the Collection Period immediately preceding the related Distribution Date
      to
      the date of such repurchase and (ii) the fair market value of any REO Property
      and any other property held by any REMIC, such fair market value to be
      determined by an independent appraiser or appraisers mutually agreed upon by
      the
      Master Servicer and the Trustee (reduced, in the case of REO Property, by (1)
      reasonably anticipated disposition costs and (2) any amount by which the fair
      market value as so reduced exceeds the outstanding principal balance of the
      related Mortgage Loan plus interest accrued thereon at the applicable Net
      Mortgage Rate to the date of such purchase). If the Master Servicer elects
      to
      exercise such option, each REMIC created pursuant to this Agreement (other
      than
      REMIC I) shall be terminated in such a manner so that the termination of each
      such REMIC shall qualify as a “qualified liquidation” under the REMIC Provisions
      and the Lower Tier REMIC 1 Uncertificated Regular Interests and the Class LT-R
      Certificates will evidence the entire beneficial interest in the property of
      the
      Trust Fund. Following a purchase of the Lower Tier REMIC 1 Uncertificated
      Regular Interests pursuant to this subsection, the Trust Fund (and REMIC I)
      will
      remain outstanding and final payment on the Certificates (other than the Class
      LT-R Certificates) will be made in accordance with Sections 7.03(a)(iii) and
      5.02. The Trust Fund will terminate upon the occurrence of a Trust Fund
      Termination Event, in accordance with Section 7.01(a).

    

    
      
        
        

      

      
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    Section
      7.02. Procedure
      Upon Termination of Trust Fund. 

    

    (a) Notice
      of
      any Trust Fund Termination Event and notice of the purchase of the Lower Tier
      REMIC 1 Uncertificated Regular Interests, specifying the Distribution Date
      upon
      which the final distribution to the Certificates (other than the Class LT-R
      Certificates, in the case of a purchase of the Lower Tier REMIC 1 Uncertificated
      Regular Interests) shall be made, shall be given promptly by the Securities
      Administrator by first class mail to Certificateholders mailed no later than
      5
      Business Days after the Securities Administrator has received notice from the
      Master Servicer of its election to cause (x) the sale of all of the property
      of
      the Trust Fund pursuant to Section 7.01(b), (y) the purchase of the Lower Tier
      REMIC 1 Uncertificated Regular Interests pursuant to Section 7.01(c) or (z)
      upon
      the final payment or other liquidation of the last Mortgage Loan or REO Property
      in the Trust Fund. In the case of a Trust Fund Termination Event, the Securities
      Administrator shall also give notice to the Certificate Registrar (if the
      Securities Administrator and the Certificate Registrar are not the same person)
      at the time notice is given to Holders of the Certificates.

    

    In
      the
      case of a Trust Fund Termination Event, such notice shall specify (A) the
      Distribution Date upon which final distribution on the Certificates or Lower
      Tier REMIC 1 Uncertificated Regular Interests of all amounts required to be
      distributed to Certificateholders pursuant to Section 5.02 will be made upon
      presentation and surrender of the Certificates at the Corporate Trust Office,
      and (B) that the Record Date otherwise applicable to such Distribution Date
      is
      not applicable, distribution being made only upon presentation and surrender
      of
      the Certificates at the office or agency of the Securities Administrator therein
      specified. Upon any such Trust Fund Termination Event, the duties of the
      Certificate Registrar with respect to the Certificates or Lower Tier REMIC
      1
      Uncertificated Regular Interests shall terminate and the Securities
      Administrator shall terminate or request the Master Servicer to terminate,
      the
      Collection Account it maintains, the Certificate Account and any other account
      or fund maintained with respect to the Certificates or Lower Tier REMIC 1
      Uncertificated Regular Interests, subject to the Securities Administrator’s
      obligation hereunder to hold all amounts payable to Certificateholders in trust
      without interest pending such payment. 

    

    
      
        
        

      

      
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    In
      the
      case of a purchase of the Lower Tier REMIC 1 Uncertificated Regular Interests,
      such notice shall specify (A) the Distribution Date upon which final
      distribution on the Certificates (other than the Class LT-R Certificates) of
      all
      amounts required to be distributed to Certificateholders pursuant to Section
      5.02 (other than any distributions to the Class LT-R Certificates in respect
      of
      REMIC I) will be made upon presentation and surrender of the Certificates (other
      than the Class LT-R Certificates) at the Corporate Trust Office of the
      Securities Administrator, and (B) that the Record Date otherwise applicable
      to
      such Distribution Date is not applicable, distribution being made only upon
      presentation and surrender of the Certificates (other than the Class LT-R
      Certificates) at the office or agency of the Securities Administrator therein
      specified. Upon any such purchase of the Lower Tier REMIC 1 Uncertificated
      Regular Interests, the duties of the Certificate Registrar with respect to
      the
      Certificates other than the Class LT-R Certificate shall terminate but the
      Securities Administrator shall not terminate or request the Master Servicer
      to
      terminate, the Collection Account it maintains, the Certificate Account and
      any
      other account or fund maintained with respect to the Certificates, subject
      to
      the Securities Administrator’s obligation hereunder to hold all amounts payable
      to Certificateholders in trust without interest pending such payment. For all
      Distribution Dates following the Distribution Date on which the Master Servicer
      purchases the Lower Tier REMIC 1 Uncertificated Regular Interests, all amounts
      that would be distributed on the Certificates (other than the Class LT-R
      Certificate and exclusive of amounts payable from any fund held outside of
      REMIC
      I) absent such purchase shall be payable to the LTURI holder.

    

    (b) In
      the
      event that all of the applicable Holders do not surrender their Certificates
      for
      cancellation within three months after the time specified in the above-mentioned
      written notice, the Securities Administrator shall give a second written notice
      to such Certificateholders to surrender their Certificates for cancellation
      and
      receive the final distribution with respect thereto. If within one year after
      the second notice any such Certificates shall not have been surrendered for
      cancellation, the Securities Administrator may take appropriate steps to contact
      such remaining Certificateholders concerning surrender of such Certificates,
      and
      the cost thereof shall be paid out of the amounts distributable to such Holders.
      If within two years after the second notice such Certificates shall not have
      been surrendered for cancellation, the Securities Administrator shall, subject
      to applicable state law relating to escheatment, hold all amounts distributable
      to such Holders for the benefit of such Holders. No interest shall accrue on
      any
      amount held by the Securities Administrator and not distributed to a
      Certificateholder due to such Certificateholder’s failure to surrender its
      Certificate(s) for payment of the final distribution thereon in accordance
      with
      this Section.

    

    (c) Any
      reasonable expenses incurred by the Trustee or Securities Administrator in
      connection with any Trust Fund Termination Event or any purchase of the Lower
      Tier REMIC I Uncertificated Regular Interests shall be reimbursed from proceeds
      received from the liquidation of the Trust Fund.

    

    Section
      7.03. Additional
      Requirements for any Trust Fund Termination Events or Purchase of the Lower
      Tier
      REMIC 1 Uncertificated Regular Interests. 

    

    
      
        
        

      

      
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    (a) Any
      termination of the Trust Fund pursuant to Section 7.01(a) or any termination
      of
      a REMIC pursuant to Section 7.01(c) shall be effected in accordance with the
      following additional requirements, unless the Securities Administrator receives
      (at the request of the party exercising the option to purchase all of the
      Mortgage Loans or Lower Tier REMIC 1 Uncertificated Regular Interests pursuant
      to Section 7.01(b) or Section 7.01(c), respectively) an Opinion of Counsel
      (at
      the expense of such requesting party), addressed to the Securities Administrator
      to the effect that the failure to comply with the requirements of this Section
      7.03 will not result in an Adverse REMIC Event:

    

    (i) Within
      89
      days prior to the time of the making of the final payment on the Certificates
      other than the Class LT-R Certificates, in the case of a purchase of the Lower
      Tier REMIC 1 Uncertificated Regular Interests, upon notification by the Master
      Servicer or an Affiliate of the Seller that it intends to exercise its option
      to
      cause the termination of the Trust Fund or purchase the Lower Tier REMIC 1
      Uncertificated Regular Interests, the Securities Administrator shall adopt
      a
      plan of complete liquidation on behalf of each REMIC (other than REMIC I, in
      the
      case of a purchase of the Lower Tier REMIC 1 Uncertificated Regular Interests),
      meeting the requirements of a qualified liquidation under the REMIC
      Provisions;

    

    (ii) 
      Any sale
      of the assets of the Trust Fund or the Lower Tier REMIC 1 Uncertificated Regular
      Interests pursuant to Section 7.02 shall be a sale for cash and shall occur
      at
      or after the time of adoption of such a plan of complete liquidation and prior
      to the time of making of the final payment on the Certificates (other than
      the
      Class LT-R Certificates, in the case of a purchase of the Lower Tier REMIC
      1
      Uncertificated Regular Interests);

    

    (iii) On
      the
      date specified for final payment of the Certificates (other than the Class
      LT-R
      Certificates, in the case of a purchase of the Lower Tier REMIC 1 Uncertificated
      Regular Interests), the Securities Administrator shall make final distributions
      of principal and interest on such Certificates in accordance with Section 5.02.
      In the case of a Trust Fund Termination Event, and, after payment of, or
      provision for any outstanding expenses, the Securities Administrator shall
      distribute or credit, or cause to be distributed or credited, to the Holders
      of
      the Residual Certificates all cash on hand after such final payment (other
      than
      cash retained to meet claims), and the Trust Fund (and each REMIC) shall
      terminate at that time; and

    

    (iv) In
      no
      event may the final payment on the Certificates or the final distribution or
      credit to the Holders of the Residual Certificates in respect of the residual
      interest in any liquidated REMIC be made after the 89th day from the date on
      which the plan of complete liquidation for such REMIC is adopted.

    

    (b) By
      its
      acceptance of a Residual Certificate, each Holder thereof hereby (i) authorizes
      the Securities Administrator to take the action described in paragraph (a)
      above
      and (ii) agrees to take such other action as may be necessary to facilitate
      liquidation of each REMIC created under this Agreement, which authorization
      shall be binding upon all successor Residual Certificateholders.

    

    
      
        
        

      

      
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    (c) In
      connection with the termination of the Trust Fund or a Section 7.01(c) Purchase
      Event, the Securities Administrator may request an Opinion of Counsel addressed
      to the Securities Administrator (at the expense of the Depositor) to the effect
      that all of the requirements of a qualified liquidation under the REMIC
      Provisions have been met.

    

    Section
      7.04. Charged-off
      Loans and Released Mortgage Loans.

    

    Notwithstanding
      anything to the contrary contained in this Agreement, each Charged-off Loan
      that
      becomes a Released Mortgage Loan shall be released from the Trust Fund as soon
      as practicable after becoming a Released Mortgage Loan and shall no longer
      be an
      asset of any REMIC. Each Released Mortgage Loan shall be transferred to the
      Released Mortgage Transferee, without recourse. The Trustee, upon receipt of
      certification from the Master Servicer that a Charged-off Loan has become a
      Released Mortgage Loan, shall execute such instruments of transfer, assignment
      or release, in each case, without recourse, as shall be provided by the Master
      Servicer and necessary to transfer such Released Mortgage Loan (as determined
      by
      the Master Servicer). Thereafter (i) the Released Mortgage Transferee shall
      be
      entitled to any amounts subsequently received in respect of any such Released
      Mortgage Loans, (ii) the Released Mortgage Transferee may designate any Servicer
      to service any such Released Mortgage Loan and (iii) the Released Mortgage
      Transferee may sell any such Released Mortgage Loan to a third party. For
      purposes of compliance with the REMIC Provisions, any such Released Mortgage
      Loan transferred to the Released Mortgage Transferee pursuant to this Section
      7.04 and having any value as of the date of such transfer shall be treated
      as
      having been transferred by the related REMIC as additional compensation for
      services provided to such REMIC.

    

    ARTICLE
      VIII

    

    RIGHTS
      OF
      CERTIFICATEHOLDERS

    

    Section
      8.01. Limitation
      on Rights of Holders. 

    

    (a) The
      death
      or incapacity of any Certificateholder shall not operate to terminate this
      Agreement or this Trust Fund, nor entitle such Certificateholder’s legal
      representatives or heirs to claim an accounting or take any action or proceeding
      in any court for a partition or winding up of this Trust Fund, nor otherwise
      affect the rights, obligations and liabilities of the parties hereto or any
      of
      them. Except as otherwise expressly provided herein, no Certificateholder,
      solely by virtue of its status as a Certificateholder, shall have any right
      to
      vote or in any manner otherwise control the Master Servicer or the operation
      and
      management of the Trust Fund, or the obligations of the parties hereto, nor
      shall anything herein set forth, or contained in the terms of the Certificates,
      be construed so as to constitute the Certificateholders from time to time as
      partners or members of an association, nor shall any Certificateholder be under
      any liability to any third person by reason of any action taken by the parties
      to this Agreement pursuant to any provision hereof.

    

    
      
        
        

      

      
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    (b) No
      Certificateholder, solely by virtue of its status as Certificateholder, shall
      have any right by virtue or by availing of any provision of this Agreement
      to
      institute any suit, action or proceeding in equity or at law upon or under
      or
      with respect to this Agreement, unless such Holder previously shall have given
      to the Trustee a written notice of an Event of Default and of the continuance
      thereof, as hereinbefore provided, and unless also the Holders of Certificates
      evidencing not less than 25% of the Class Principal Amount (or Class Notional
      Amount) of Certificates of each Class shall have made written request upon
      the
      Trustee to institute such action, suit or proceeding in its own name as Trustee
      hereunder and shall have offered to the Trustee such reasonable indemnity as
      it
      may require against the cost, expenses and liabilities to be incurred therein
      or
      thereby, and the Trustee, for sixty days after its receipt of such notice,
      request and offer of indemnity, shall have neglected or refused to institute
      any
      such action, suit or proceeding and no direction inconsistent with such written
      request has been given to the Trustee during such sixty-day period by such
      Certificateholders; it being understood and intended, and being expressly
      covenanted by each Certificateholder with every other Certificateholder and
      the
      Trustee and the Securities Administrator, that no one or more Holders of
      Certificates shall have any right in any manner whatever by virtue or by
      availing of any provision of this Agreement to affect, disturb or prejudice
      the
      rights of the Holders of any other of such Certificates, or to obtain or seek
      to
      obtain priority over or preference to any other such Holder, or to enforce
      any
      right under this Agreement, except in the manner herein provided and for the
      benefit of all Certificateholders. For the protection and enforcement of the
      provisions of this Section, each and every Certificateholder and the Trustee
      shall be entitled to such relief as can be given either at law or in
      equity.

    

    Section
      8.02. Access
      to List of Holders. 

    

    (a) If
      the
      Trustee or the Securities Administrator is not acting as Certificate Registrar,
      the Certificate Registrar will furnish or cause to be furnished to the
      Trustee and the Securities Administrator, within fifteen days after
      receipt by the Certificate Registrar of a request by the Trustee or the
      Securities Administrator in writing, a list, in such form as the
      Trustee or the Securities Administrator may reasonably require, of the
      names and addresses of the Certificateholders of each Class as of the most
      recent Record Date.

    

    (b) If
      three
      or more Holders or Certificate Owners (hereinafter referred to as “Applicants”)
      apply in writing to the Securities Administrator, and such application states
      that the Applicants desire to communicate with other Holders with respect to
      their rights under this Agreement or under the Certificates and is accompanied
      by a copy of the communication which such Applicants propose to transmit, then
      the Securities Administrator shall, within five Business Days after the receipt
      of such application, afford such Applicants reasonable access during the normal
      business hours of the Securities Administrator to the most recent list of
      Certificateholders held by the Securities Administrator or shall, as an
      alternative, send, at the Applicants’ expense, the written communication
      proffered by the Applicants to all Certificateholders at their addresses as
      they
      appear in the Certificate Register.

    

    
      
        
        

      

      
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    (c) Every
      Holder or Certificate Owner, if the Holder is a Clearing Agency, by receiving
      and holding a Certificate, agrees with the Depositor, the Master Servicer,
      the
      Certificate Registrar, the Securities Administrator and the Trustee that none
      of
      the Depositor, the Master Servicer, the Certificate Registrar, the Securities
      Administrator or the Trustee shall be held accountable by reason of the
      disclosure of any such information as to the names and addresses of the
      Certificateholders hereunder, regardless of the source from which such
      information was derived.

    

    Section
      8.03. Acts
      of Holders of Certificates. 

    

    (a) Any
      request, demand, authorization, direction, notice, consent, waiver or other
      action provided by this Agreement to be given or taken by Holders or Certificate
      Owner, if the Holder is a Clearing Agency, may be embodied in and evidenced
      by
      one or more instruments of substantially similar tenor signed by such Holders
      in
      person or by agent duly appointed in writing; and, except as herein otherwise
      expressly provided, such action shall become effective when such instrument
      or
      instruments are delivered to the Trustee and the Securities Administrator and,
      where expressly required herein, to the Master Servicer. Such instrument or
      instruments (as the action embodies therein and evidenced thereby) are herein
      sometimes referred to as an “Act” of the Holders signing such instrument or
      instruments. Proof of execution of any such instrument or of a writing
      appointing any such agents shall be sufficient for any purpose of this Agreement
      and conclusive in favor of the Trustee, the Securities Administrator and the
      Master Servicer, if made in the manner provided in this Section. Each of the
      Trustee, the Securities Administrator and the Master Servicer shall promptly
      notify the others of receipt of any such instrument by it, and shall promptly
      forward a copy of such instrument to the others.

    

    (b) The
      fact
      and date of the execution by any Person of any such instrument or writing may
      be
      proved by the affidavit of a witness of such execution or by the certificate
      of
      any notary public or other officer authorized by law to take acknowledgments
      or
      deeds, certifying that the individual signing such instrument or writing
      acknowledged to him the execution thereof. Whenever such execution is by an
      officer of a corporation or a member of a partnership on behalf of such
      corporation or partnership, such certificate or affidavit shall also constitute
      sufficient proof of his authority. The fact and date of the execution of any
      such instrument or writing, or the authority of the individual executing the
      same, may also be proved in any other manner which the Trustee or Securities
      Administrator, as applicable, deems sufficient.

    

    (c) The
      ownership of Certificates or Lower Tier REMIC I Uncertificated Regular Interests
      (whether or not such Certificates or Lower Tier REMIC I Uncertificated Regular
      Interests shall be overdue and notwithstanding any notation of ownership or
      other writing thereon made by anyone other than the Trustee) shall be proved
      by
      the Certificate Register, and none of the Trustee, the Securities Administrator,
      the Master Servicer, or the Depositor shall be affected by any notice to the
      contrary.

    

    (d) Any
      request, demand, authorization, direction, notice, consent, waiver or other
      action by the Holder of any Certificate or Lower Tier REMIC I Uncertificated
      Regular Interests shall bind every future Holder of the same Certificate and
      the
      Holder of every Certificate or Lower Tier REMIC I Uncertificated Regular
      Interests issued upon the registration of transfer thereof or in exchange
      therefor or in lieu thereof, in respect of anything done, omitted or suffered
      to
      be done by the Trustee, the Securities Administrator or the Master Servicer
      in
      reliance thereon, whether or not notation of such action is made upon such
      Certificate or Lower Tier REMIC I Uncertificated Regular Interests.

    

    
      
        
        

      

      
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    ARTICLE
      IX

    

    ADMINISTRATION
      AND SERVICING OF MORTGAGE LOANS

    BY
      THE
      MASTER SERVICER

    

    Section
      9.01. Duties
      of the Master Servicer. 

    

    The
      Certificateholders, by their purchase and acceptance of the Certificates or
      Lower Tier REMIC I Uncertificated Regular Interests, appoint Aurora Loan
      Services LLC, as Master Servicer. For and on behalf of the Depositor, the
      Trustee, the Securities Administrator and the Certificateholders, the Master
      Servicer shall master service the Mortgage Loans in accordance with the
      provisions of this Agreement and the provisions of the Servicing
      Agreements.

    

    Section
      9.02. Master
      Servicer Fidelity Bond and Master Servicer Errors and Omissions Insurance
      Policy. 

    

    (a) The
      Master Servicer, at its expense, shall maintain in effect a Fidelity Bond and
      an
      Errors and Omissions Insurance Policy, affording coverage with respect to all
      directors, officers, employees and other Persons acting on such Master
      Servicer’s behalf, and covering errors and omissions in the performance of the
      Master Servicer’s obligations hereunder. The Errors and Omissions Insurance
      Policy and the Fidelity Bond shall be in such form and amount that would meet
      the requirements of FNMA or FHLMC if it were the purchaser of the Mortgage
      Loans. The Master Servicer shall (i) require each Servicer to maintain an Errors
      and Omissions Insurance Policy and a Fidelity Bond in accordance with the
      provisions of the applicable Servicing Agreement, (ii) cause each Servicer
      to
      provide to the Master Servicer certificates evidencing that such policy and
      bond
      is in effect and to furnish to the Master Servicer any notice of cancellation,
      non-renewal or modification of the policy or bond received by it, as and to
      the
      extent provided in the applicable Servicing Agreement, and (iii) furnish copies
      of the certificates and notices referred to in clause (ii) to the Trustee upon
      its request. The Fidelity Bond and Errors and Omissions Insurance Policy may
      be
      obtained and maintained in blanket form.

    

    (b) The
      Master Servicer shall promptly report to the Trustee any material changes that
      may occur in the Master Servicer Fidelity Bond or the Master Servicer Errors
      and
      Omissions Insurance Policy and shall furnish to the Trustee, on request,
      certificates evidencing that such bond and insurance policy are in full force
      and effect. The Master Servicer shall promptly report to the Trustee all cases
      of embezzlement or fraud, if such events involve funds relating to the Mortgage
      Loans. The total losses, regardless of whether claims are filed with the
      applicable insurer or surety, shall be disclosed in such reports together with
      the amount of such losses covered by insurance. If a bond or insurance claim
      report is filed with any of such bonding companies or insurers, the Master
      Servicer shall promptly furnish a copy of such report to the Trustee. Any
      amounts relating to the Mortgage Loans collected by the Master Servicer under
      any such bond or policy shall be promptly remitted by the Master Servicer to
      the
      Securities Administrator for deposit into the Certificate Account. Any amounts
      relating to the Mortgage Loans collected by any Servicer under any such bond
      or
      policy shall be remitted to the Master Servicer to the extent provided in the
      applicable Servicing Agreement.

    

    
      
        
        

      

      
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    Section
      9.03. Master
      Servicer’s Financial Statements and Related Information. 

    

    For
      each
      year this Agreement is in effect, the Master Servicer shall submit to each
      Rating Agency, the Securities Administrator and the Depositor a copy of the
      annual audited financial statements of its corporate parent on or prior to
      March
      31st of each year commencing on March 31, 2008.  Such financial statements
      shall include comparative balance sheets, income statements, statement of
      changes in shareholder’s equity, statements of cash flows, a consolidating
      schedule showing consolidated subsidiaries and any related notes required
      pursuant to generally accepted accounting principles, certified by a nationally
      recognized firm of Independent Accountants to the effect that such financial
      statements were examined and prepared in accordance with generally accepted
      accounting principles applied on a basis consistent with that of the preceding
      year.

    

    Section
      9.04. Power
      to Act; Procedures. 

    

    (a) The
      Master Servicer shall master service the Mortgage Loans and shall have full
      power and authority, subject to the REMIC Provisions and the provisions of
      Article X hereof, and each Servicer shall have full power and authority (to
      the
      extent provided in the applicable Servicing Agreement) to do any and all things
      that it may deem necessary or desirable in connection with the servicing and
      administration of the Mortgage Loans, including but not limited to the power
      and
      authority (i) to execute and deliver, on behalf of the Certificateholders and
      the Trustee, customary consents or waivers and other instruments and documents,
      (ii) to consent to transfers of any Mortgaged Property and assumptions of the
      Mortgage Notes and related Mortgages, (iii) to collect any Insurance Proceeds
      and Liquidation Proceeds, and (iv) to effectuate foreclosure or other conversion
      of the ownership of the Mortgaged Property securing any Mortgage Loan, in each
      case, in accordance with the provisions of this Agreement and the applicable
      Servicing Agreement, as applicable; provided
      that the
      Master Servicer shall not take, or knowingly permit any Servicer to take, any
      action that is inconsistent with or prejudices the interests of the Trust Fund,
      the Trustee or the Certificateholders in any Mortgage Loan or the rights and
      interests of the Depositor, the Trustee and the Certificateholders under this
      Agreement. The Master Servicer further is authorized and empowered by the
      Trustee, on behalf of the Certificateholders and the Trustee, in its own name
      or
      in the name of any Servicer, when the Master Servicer or a Servicer, as the
      case
      may be, believes it is appropriate in its best judgment to register any Mortgage
      Loan with MERS, or cause the removal from the registration of any 

    

    
      
        
        

      

      
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    Mortgage
      Loan on the MERS system, to execute and deliver, on behalf of the Trustee and
      the Certificateholders or any of them, any and all instruments of assignment
      and
      other comparable instruments with respect to such assignment or re-recording
      of
      a Mortgage in the name of MERS, solely as nominee for the Trustee and its
      successors and assigns. The Master Servicer shall represent and protect the
      interests of the Trust Fund in the same manner as it protects its own interests
      in mortgage loans in its own portfolio in any claim, proceeding or litigation
      regarding a Mortgage Loan and shall not make or knowingly permit any Servicer
      to
      make any modification, waiver or amendment of any term of any Mortgage Loan
      that
      would cause any REMIC formed hereby to fail to qualify as a REMIC or result
      in
      the imposition of any tax under Section 860F(a) or Section 860G(d) of the Code.
      Without limiting the generality of the foregoing, the Master Servicer in its
      own
      name or in the name of a Servicer, and each Servicer, to the extent such
      authority is delegated to such Servicer by the Master Servicer under the
      applicable Servicing Agreement, is hereby authorized and empowered by the
      Trustee when the Master Servicer or applicable Servicer, as the case may be,
      believes it appropriate in its best judgment and in accordance with Accepted
      Servicing Practices and the applicable Servicing Agreement, to execute and
      deliver, on behalf of itself and the Certificateholders, the Trustee or any
      of
      them, any and all instruments of satisfaction or cancellation, or of partial
      or
      full release or discharge and all other comparable instruments, with respect
      to
      the Mortgage Loans and with respect to the Mortgaged Properties. The Trustee
      shall execute, upon request, any powers of attorney furnished to it (and
      reasonably acceptable to it) by the Master Servicer empowering the Master
      Servicer or any Servicer to execute and deliver instruments of satisfaction
      or
      cancellation, or of partial or full release or discharge, and to foreclose
      upon
      or otherwise liquidate Mortgaged Property, and to appeal, prosecute or defend
      in
      any court action relating to the Mortgage Loans or the Mortgaged Property,
      in
      accordance with the applicable Servicing Agreement and this Agreement, and
      the
      Trustee shall execute and deliver such other documents, as the Master Servicer
      may request, necessary or appropriate to enable the Master Servicer to master
      service the Mortgage Loans and carry out its duties hereunder, and allow each
      Servicer to service the Mortgage Loans in each case in accordance with Accepted
      Servicing Practices (and the Trustee shall have no liability for misuse of
      any
      such powers of attorney by the Master Servicer or any Servicer). If the Master
      Servicer or the Trustee has been advised that it is likely that the laws of
      the
      state in which action is to be taken prohibit such action if taken in the name
      of the Trustee or that the Trustee would be adversely affected under the “doing
      business” or tax laws of such state if such action is taken in its name, then
      upon request of the Trustee, the Master Servicer shall join with the Trustee
      in
      the appointment of a co-trustee pursuant to Section 6.09 hereof. In no event
      shall the Master Servicer, without the Trustee’s written consent: (i) initiate
      any action, suit or proceeding solely under the Trustee’s name without
      indicating the Master Servicer in its applicable, representative capacity,
      so
      long as the jurisdictional and procedural rules will allow for this insertion
      to
      occur, (ii) initiate any action, suit or proceeding not directly relating to
      the
      servicing of a Mortgage Loan (including but not limited to actions, suits or
      proceedings against Certificateholders, or against the Depositor or the Seller
      for breaches of representations and warranties) solely under the Trustee’s name,
      (iii) engage counsel to represent the Trustee in any action, suit or proceeding
      not directly relating to the servicing of a Mortgage Loan (including but not
      limited to actions, suits or proceedings against Certificateholders, or against
      the Depositor or the Seller for breaches of representations and warranties),
      or
      (iv) prepare, execute or deliver any government filings, forms, permits,
      registrations or other documents or take any action with the intent to cause,
      and that actually causes, the Trustee to be registered to do business in any
      state. The Master Servicer shall indemnify and hold harmless the Trustee for
      any
      and all costs, liabilities and expenses incurred by the Trustee in connection
      with the negligent or willful misuse of such powers of attorney by the Master
      Servicer. In the performance of its duties hereunder, the Master Servicer shall
      be an independent contractor and shall not, except in those instances where
      it
      is taking action in the name of the Trustee on behalf of the Trust Fund, be
      deemed to be the agent of the Trustee. 

    

    
      
        
        

      

      
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    (b) In
      master
      servicing and administering the Mortgage Loans, the Master Servicer shall employ
      procedures and exercise the same care that it customarily employs and exercises
      in master servicing and administering loans for its own account, giving due
      consideration to Accepted Servicing Practices where such practices do not
      conflict with this Agreement. Consistent with the foregoing, the Master Servicer
      may, and may permit any Servicer to, in its discretion (i) waive any late
      payment charge or any prepayment charge or penalty interest in connection with
      the prepayment of a Mortgage Loan and (ii) extend the due dates for payments
      due
      on a Mortgage Note, provided, however, that the maturity of any Mortgage Loan
      shall not be extended past the latest Final Scheduled Distribution Date. In
      the
      event of any such modification, the Servicer or Master Servicer shall calculate
      the Scheduled Payment for such Mortgage Loan based on the modified terms of
      such
      Mortgage Loan and shall only be required to make Advances pursuant to Section
      5.04 to the extent of such new Scheduled Payment. Notwithstanding
      anything to the contrary in this Agreement, the Master Servicer shall not make
      or knowingly permit any modification, waiver or amendment of any material term
      of any Mortgage Loan unless: (1) such Mortgage Loan is in default or default
      by
      the related Mortgagor is, in the reasonable judgment of the Master Servicer
      or
      the applicable
      Servicer, reasonably foreseeable, (2) in the case of a waiver of a Prepayment
      Penalty Amount (a) if such waiver would maximize recovery of total proceeds
      taking into account the value of such Prepayment Penalty Amount and the related
      Mortgage Loan or (b) if the prepayment is not the result of a refinance by
      a
      Servicer or any of its affiliates (i) the collection of the Prepayment Penalty
      Amount would be in violation of applicable laws or (ii) the collection of such
      Prepayment Penalty Amount would be considered “predatory” pursuant to written
      guidance published or issued by any applicable federal, state or local
      regulatory authority acting in its official capacity and having jurisdiction
      over such matters, and (3) such modification, waiver or amendment would not
      cause an Adverse REMIC Event. Notwithstanding
      anything to the contrary, the Master Servicer shall not without the Trustee’s
      written consent: (i) initiate any action, suit or proceeding solely under the
      Trustee’s name without indicating the Master Servicer’s representative capacity
      or (ii) take any action with the intent to cause, and which actually does cause,
      the Trustee to be registered to do business in any state.

    

    Section
      9.05. Servicing
      Agreements Between the Master Servicer and Servicers; Enforcement of Servicers’
Obligations. 

    

    
      
        
        

      

      
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    (a) Each
      Servicing Agreement requires the applicable Servicer to service the Mortgage
      Loans in accordance with the provisions thereof. References in this Agreement
      to
      actions taken or to be taken by the Master Servicer include such actions taken
      or to be taken by a Servicer pursuant to a Servicing Agreement. Any fees, costs
      and expenses and other amounts payable to such Servicers shall be deducted
      from
      amounts remitted to the Master Servicer by the applicable Servicer (to the
      extent permitted by the applicable Servicing Agreement) and shall not be an
      obligation of the Trust Fund, the Trustee or the Master Servicer.

    

    (b) The
      Master Servicer shall not be required to (i) take any action with respect to
      the
      servicing of any Mortgage Loan that the related Servicer is not required to
      take
      under the related Servicing Agreement and (ii) cause a Servicer to take any
      action or refrain from taking any action if the related Servicing Agreement
      does
      not require such Servicer to take such action or refrain from taking such
      action; in both cases notwithstanding any provision of this Agreement that
      requires the Master Servicer to take such action or cause a Servicer to take
      such action.

    

    (c) The
      Master Servicer, for the benefit of the Trustee and the Certificateholders,
      shall enforce the obligations of each Servicer under the related Servicing
      Agreement, and shall use its reasonable best efforts to enforce the obligations
      of each Servicer under the related Servicing Agreement and shall, upon its
      obtaining actual knowledge of the failure of a Servicer to perform its
      obligations in accordance with the related Servicing Agreement, to the extent
      that the non-performance of any such obligations would have a material adverse
      effect on a Mortgage Loan or the Trust Fund terminate the rights and obligations
      of such Servicer thereunder to the extent and in the manner permitted by each
      Servicing Agreement and either act as Servicer of the related Mortgage Loans
      or
      enter into a Servicing Agreement with a successor servicer. Such enforcement,
      including, without limitation, the legal prosecution of claims, termination
      of
      the Servicing Agreements and the pursuit of other appropriate remedies, shall
      be
      in such form and carried out to such an extent and at such time as the Master
      Servicer, in its good faith business judgment, would require were it the owner
      of the related Mortgage Loans. The Master Servicer shall pay the costs of such
      enforcement at its own expense, and shall be reimbursed therefor initially
      only
      (i) from a general recovery resulting from such enforcement only to the extent,
      if any, that such recovery exceeds all amounts due in respect of the related
      Mortgage Loans or (ii) from a specific recovery of costs, expenses or attorneys’
fees against the party against whom such enforcement is directed, and then,
      to
      the extent that such amounts are insufficient to reimburse the Master Servicer
      for the costs of such enforcement, (iii) from the Collection
      Account.

    

    (d) The
      Master Servicer shall be entitled to rely conclusively on any certifications
      or
      other information provided by each Servicer under the terms of each Servicing
      Agreement in its preparation of any certifications, notifications, filings
      or
      reports to be made in accordance with the terms hereof or as may be required
      by
      applicable law or regulation.

    

    Section
      9.06. Collection
      of Taxes, Assessments and Similar Items. 

    

    
      
        
        

      

      
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    (a) To
      the
      extent provided in the applicable Servicing Agreement, the Master Servicer
      shall
      cause each Servicer to establish and maintain one or more custodial accounts
      at
      a depository institution (which may be a depository institution with which
      the
      Master Servicer or any Servicer establishes accounts in the ordinary course
      of
      its servicing activities), the accounts of which are insured to the maximum
      extent permitted by the FDIC (each, an “Escrow Account”) and shall deposit
      therein any collections of amounts received with respect to amounts due for
      taxes, assessments, water rates, Standard Hazard Insurance Policy premiums
      or
      any comparable items for the account of the Mortgagors. Withdrawals from any
      Escrow Account may be made (to the extent amounts have been escrowed for such
      purpose) only in accordance with the applicable Servicing Agreement. Each
      Servicer shall be entitled to all investment income not required to be paid
      to
      Mortgagors on any Escrow Account maintained by such Servicer. The Master
      Servicer shall make (or cause to be made) to the extent provided in the
      applicable Servicing Agreement advances to the extent necessary in order to
      effect timely payment of taxes, water rates, assessments, Standard Hazard
      Insurance Policy premiums or comparable items in connection with the related
      Mortgage Loan (to the extent that the Mortgagor is required, but fails, to
      pay
      such items), provided
      that it
      has determined that the funds so advanced are recoverable from escrow payments,
      reimbursement pursuant to Section 4.02(v) or otherwise.

    

    (b) Costs
      incurred by the Master Servicer or by Servicers in effecting the timely payment
      of taxes and assessments on the properties subject to the Mortgage Loans may
      be
      added to the amount owing under the related Mortgage Note where the terms of
      the
      Mortgage Note so permit; provided,
      however,
      that
      the addition of any such cost shall not be taken into account for purposes
      of
      calculating the distributions to be made to Certificateholders. Such costs,
      to
      the extent that they are unanticipated, extraordinary costs, and not ordinary
      or
      routine costs shall be recoverable by the Master Servicer pursuant to Section
      4.02(v).

    

    Section
      9.07. Termination
      of Servicing Agreements; Successor Servicers.

    

    (a) The
      Master Servicer shall be entitled to terminate the rights and obligations of
      any
      Servicer under the applicable Servicing Agreement in accordance with the terms
      and conditions of such Servicing Agreement and without any limitation by virtue
      of this Agreement; provided,
      however,
      that in
      the event of termination of any Servicing Agreement by the Master Servicer
      or
      the related Servicer, the Master Servicer shall either act as Servicer of the
      related Mortgage Loans, or enter into a servicing agreement with a successor
      servicer. The parties acknowledge that notwithstanding the preceding sentence,
      there may be a transition period, not to exceed 90 days, in order to effect
      the
      transfer of servicing to a successor servicer.  The Master Servicer shall
      be entitled to be reimbursed from each Servicer (or by the Trust Fund, if such
      Servicer is unable to fulfill its obligations hereunder) for all costs
      associated with the transfer of servicing from the predecessor Servicer,
      including without limitation, any costs or expenses associated with the complete
      transfer of all servicing data and the completion, correction or manipulation
      of
      such servicing data, as may be required by the Master Servicer to correct any
      errors or insufficiencies in the servicing data or otherwise to enable the
      Master Servicer to service the Mortgage Loans properly and
      effectively.

    

    
      
        
        

      

      
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    (b) If
      the
      Master Servicer acts as Servicer, it will not assume liability for the
      representations and warranties of the Servicer, if any, that it replaces. The
      Master Servicer shall use reasonable efforts to have the successor servicer
      assume liability for the representations and warranties made by the terminated
      Servicer in respect of the related Mortgage Loans, and in the event of any
      such
      assumption by the successor servicer, the Trustee or the Master Servicer, as
      applicable, may, in the exercise of its business judgment, release the
      terminated Servicer from liability for such representations and
      warranties.

    

    Section
      9.08. Master
      Servicer Liable for Enforcement. 

    

    Notwithstanding
      any Servicing Agreement, the Master Servicer shall remain obligated and liable
      to the Trustee and the Certificateholders in accordance with the provisions
      of
      this Agreement, to the extent of its obligations hereunder, without diminution
      of such obligation or liability by virtue of such Servicing Agreement or
      arrangements. The Master Servicer shall use commercially reasonable efforts
      to
      ensure that the Mortgage Loans are serviced in accordance with the provisions
      of
      this Agreement and shall use commercially reasonable efforts to enforce the
      provisions of each Servicing Agreement for the benefit of the
      Certificateholders. The Master Servicer shall be entitled to enter into any
      agreement with the Servicers for indemnification of the Master Servicer and
      nothing contained in this Agreement shall be deemed to limit or modify such
      indemnification. Except as expressly set forth herein, the Master Servicer
      shall
      have no liability for the acts or omissions of such Servicer in the performance
      by a Servicer of its obligations under the related Servicing
      Agreement.

    

    Section
      9.09. No
      Contractual Relationship Between Servicers and Trustee or Depositor.

    

    Any
      Servicing Agreement that may be entered into and any other transactions or
      services relating to the Mortgage Loans involving a Servicer in its capacity
      as
      such and not as an originator shall be deemed to be between such Servicer,
      the
      related Seller and the Master Servicer, and except to the extent expressly
      provided therein the Trustee and the Depositor shall not be deemed parties
      thereto and shall have no claims, rights, obligations, duties or liabilities
      with respect to such Servicer except as set forth in Section 9.10
      hereof.

    

    Section
      9.10. Assumption
      of Servicing Agreement by Securities Administrator.

    

    (a) In
      the
      event the Master Servicer shall for any reason no longer be the Master Servicer
      (including by reason of any Event of Default under this Agreement), after a
      period not to exceed ninety days after the issuance of any notice of termination
      pursuant to Section 6.14 or Section 9.28, as applicable, the Securities
      Administrator shall, in accordance with Section 6.14, thereupon assume all
      of
      the rights and obligations of such Master Servicer hereunder and enforce the
      rights under each Servicing Agreement entered into with respect to the Mortgage
      Loans. The Securities Administrator, its designee or any successor master
      servicer appointed by the Securities Administrator shall be deemed to have
      assumed all of the Master Servicer’s interest herein and therein to the same
      extent as if such Servicing Agreement had been assigned to the assuming party,
      except that the Master Servicer shall not thereby be relieved of any liability
      or obligations of the Master Servicer under such Servicing Agreement accruing
      prior to its replacement as Master Servicer, and shall be liable to the
      Securities Administrator, and hereby agrees to indemnify and hold harmless
      the
      Securities Administrator from and against all costs, damages, expenses and
      liabilities (including reasonable attorneys’ fees) incurred by the Securities
      Administrator as a result of such liability or obligations of the Master
      Servicer and in connection with the Securities Administrator’s (or its
      designee’s) assumption (but not its performance, except to the extent that costs
      or liability of the Securities Administrator are created or increased as a
      result of negligent or wrongful acts or omissions of the Master Servicer prior
      to its replacement as Master Servicer) of the Master Servicer’s obligations,
      duties or responsibilities thereunder; provided that the Master Servicer shall
      not indemnify or hold harmless the Securities Administrator against negligent
      or
      willful misconduct of the Securities Administrator.

    

    
      
        
        

      

      
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    (b) The
      Master Servicer that has been terminated shall, upon request of the Securities
      Administrator but at the expense of such Master Servicer or, at the expense
      of
      the Trust Fund to the extent provided in this Agreement, deliver to the assuming
      party all documents and records relating to each Servicing Agreement and the
      related Mortgage Loans and an accounting of amounts collected and held by it
      and
      otherwise use its best efforts to effect the orderly and efficient transfer
      of
      each Servicing Agreement to the assuming party.

    

    Section
      9.11. “Due-on-Sale”
      Clauses; Assumption Agreements. 

    

    (a) To
      the
      extent provided in the applicable Servicing Agreement, to the extent Mortgage
      Loans contain enforceable due-on-sale clauses, and to the extent that the Master
      Servicer has knowledge of the conveyance of a Mortgaged Property, the Master
      Servicer shall use its reasonable best efforts to cause the Servicers to enforce
      such clauses in accordance with the applicable Servicing Agreement. If
      applicable law prohibits the enforcement of a due-on-sale clause or such clause
      is otherwise not enforced in accordance with the applicable Servicing Agreement,
      and, as a consequence, a Mortgage Loan is assumed, the original Mortgagor may
      be
      released from liability in accordance with the applicable Servicing
      Agreement.

    

    (b) The
      Master Servicer or the related Servicer, as the case may be, shall be entitled
      to approve a request from a Mortgagor for the granting of an easement thereon
      in
      favor of another Person or any alteration or demolition of the related Mortgaged
      Property if it has determined, exercising its good faith business judgment
      in
      the same manner as it would if it were the owner of the related Mortgage Loan,
      that the security for, and the timely and full collectibility of, such Mortgage
      Loan would not be materially adversely affected thereby. Any fee collected
      by
      the Master Servicer or the related Servicer for processing such a request will
      be retained by the Master Servicer or the such Servicer as additional servicing
      compensation.

    

    Section
      9.12. Release
      of Mortgage Files.

    

    (a) Upon
      (i)
      becoming aware of the payment in full of any Mortgage Loan or, (ii) the receipt
      by the applicable Servicer of a notification that payment in full has been
      or
      will be escrowed in a manner customary for such purposes, the Master Servicer
      will, or will cause the applicable Servicer to, promptly notify the Trustee
      (or
      the applicable Custodian) and the Securities Administrator by a certification
      (which certification shall include a statement to the effect that all amounts
      received or to be received in connection with such payment that are required
      to
      be deposited in the Collection Account maintained by the Master Servicer
      pursuant to Section 4.01 have been or will be so deposited) of a Servicing
      Officer and shall request the Trustee or the applicable Custodian, to deliver
      to
      the applicable Servicer the related Mortgage File. In lieu of sending a hard
      copy certification of a Servicing Officer, the Master Servicer may, or may
      cause
      a Servicer to, deliver the request for release in a mutually agreeable
      electronic format. To the extent that such a request, on its face, originates
      from a Servicing Officer, no signature shall be required. Upon receipt of such
      certification and request, the Trustee or the applicable Custodian, shall
      promptly release the related Mortgage File to the applicable Servicer and
      neither the Trustee nor the applicable Custodian shall have any further
      responsibility with regard to such Mortgage File. The Master Servicer is
      authorized, and each Servicer, to the extent such authority is delegated to
      the
      Servicer by the Master Servicer under the applicable Servicing Agreement, is
      authorized, to give, as agent for the Trustee, as the mortgagee under the
      Mortgage that secured the Mortgage Loan, an instrument of satisfaction (or
      assignment of mortgage without recourse) regarding the Mortgaged Property
      subject to the Mortgage, which instrument of satisfaction or assignment, as
      the
      case may be, shall be delivered to the Person or Persons entitled thereto
      against receipt therefor of such payment, it being understood and agreed that
      no
      expenses incurred in connection with such instrument of satisfaction or
      assignment, as the case may be, shall be chargeable to the Collection
      Account.

    

    
      
        
        

      

      
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    (b) From
      time
      to time and as appropriate for the servicing or foreclosure of, or other legal
      proceedings relating to, any Mortgage Loan and in accordance with Accepted
      Servicing Practices and the applicable Servicing Agreement, the Trustee shall
      execute such pleadings, request for trustee’s sale or other documents as shall
      be prepared and furnished to the Trustee by the Master Servicer, or by a
      Servicer (in form reasonably acceptable to the Trustee) and as are necessary
      to
      the prosecution of any such proceedings. The Trustee or the applicable
      Custodian, shall, upon request of the Master Servicer, or of a Servicer, and
      delivery to the Trustee or the applicable Custodian, of a trust receipt signed
      by a Servicing Officer substantially in the form annexed hereto as Exhibit
      C or
      in the form annexed to the applicable Custodial Agreement as Exhibit C, release
      the related Mortgage File held in its possession or control to the Master
      Servicer (or the applicable Servicer). Such trust receipt shall obligate the
      Master Servicer or applicable Servicer to return the Mortgage File to the
      Trustee or applicable Custodian, as applicable, when the need therefor by the
      Master Servicer or applicable Servicer no longer exists unless (i) the Mortgage
      Loan shall be liquidated, in which case, upon receipt of a certificate of a
      Servicing Officer similar to that herein above specified, the trust receipt
      shall be released by the Trustee or the applicable Custodian, as applicable,
      to
      the Master Servicer (or the applicable Servicer) or (ii) the Mortgage File
      has
      been delivered directly or through a Servicer to an attorney, or to a public
      trustee or other public official as required by law, for purposes of initiating
      or pursuing legal action or other proceedings for the foreclosure of the
      Mortgaged Property either judicially or non-judicially, and the Master Servicer
      has delivered directly or through a Servicer to the Custodian, on behalf of
      the
      Trustee, a certificate of a Servicing Officer certifying as to the name and
      address of the Person to which such Mortgage File or such document was delivered
      and the purpose or purposes of such delivery.

    

    
      
        
        

      

      
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    Section
      9.13. Documents,
      Records and Funds in Possession of Master Servicer To Be Held for Trustee.
      

    

    (a) The
      Master Servicer shall transmit, or cause the applicable Servicer to transmit,
      to
      the Trustee such documents and instruments coming into the possession of the
      Master Servicer or such Servicer from time to time as are required by the terms
      hereof to be delivered to the Trustee. Any funds received by the Master Servicer
      or by a Servicer in respect of any Mortgage Loan or which otherwise are
      collected by the Master Servicer or by a Servicer as a Subsequent Recovery,
      Liquidation Proceeds or Insurance Proceeds in respect of any Mortgage Loan
      shall
      be held for the benefit of the Trustee and the Certificateholders subject to
      the
      Master Servicer’s right to retain or withdraw from the Collection Account the
      Master Servicing Fee and other amounts provided in this Agreement, and to the
      right of each Servicer to retain its Servicing Fee and other amounts as provided
      in the applicable Servicing Agreement. The Master Servicer shall, and shall
      (to
      the extent provided in the applicable Servicing Agreement) cause a Servicer
      to,
      provide access to information and documentation regarding the Mortgage Loans
      (i)
      to the Trustee, its agents and accountants at any time upon reasonable request
      and during normal business hours, and (ii) to Certificateholders that are
      savings and loan associations, banks or insurance companies, the Office of
      Thrift Supervision, the FDIC and the supervisory agents and examiners of such
      Office and Corporation or examiners of any other federal or state banking or
      insurance regulatory authority if, in each case to the extent so required by
      applicable regulations of the Office of Thrift Supervision or such other
      regulatory authority, such access to be afforded without charge but only upon
      reasonable request in writing and during normal business hours at the offices
      of
      the Master Servicer designated by it. In fulfilling such a request the Master
      Servicer shall not be responsible for determining the sufficiency of such
      information.

    

    (b) All
      Mortgage Files and funds collected or held by, or under the control of, the
      Master Servicer, or any Servicer, in respect of any Mortgage Loans, whether
      from
      the collection of principal and interest payments or from a Subsequent Recovery,
      Liquidation Proceeds or Insurance Proceeds, shall be held by the Master
      Servicer, or by such Servicer, for and on behalf of the Trustee and the
      Certificateholders and shall be and remain the sole and exclusive property
      of
      the Trustee; provided,
      however,
      that
      the Master Servicer and each Servicer shall be entitled to setoff against,
      and
      deduct from, any such funds any amounts that are properly due and payable to
      the
      Master Servicer or such Servicer under this Agreement or the applicable
      Servicing Agreement and shall be authorized to remit such funds to the
      Securities Administrator in accordance with this Agreement.

    

    (c) The
      Master Servicer hereby acknowledges that concurrently with the execution of
      this
      Agreement, the Trustee shall own or, to the extent that a court of competent
      jurisdiction shall deem the conveyance of the Mortgage Loans from either Seller
      to the Depositor not to constitute a sale, the Trustee shall have a security
      interest in either Mortgage Loans and in all Mortgage Files representing such
      Mortgage Loans and in all funds now or hereafter held by, or under the control
      of, a Servicer or the Master Servicer that are collected by such Servicer or
      the
      Master Servicer in connection with such Mortgage Loans, whether as scheduled
      installments of principal and interest or as full or partial prepayments of
      principal or interest or as a Subsequent Recovery, Liquidation Proceeds or
      Insurance Proceeds or otherwise, and in all proceeds of the foregoing and
      proceeds of proceeds (but excluding any fee or other amounts to which such
      Servicer is entitled under the applicable Servicing Agreement, or the Master
      Servicer or the Depositor is entitled to hereunder); and the Master Servicer
      agrees that so long as the Mortgage Loans are assigned to and held by the
      Trustee or a Custodian, all documents or instruments constituting part of the
      Mortgage Files, and such funds relating to the Mortgage Loans which come into
      the possession or custody of, or which are subject to the control of, the Master
      Servicer or any Servicer shall be held by the Master Servicer or such Servicer
      for and on behalf of the Trustee as the Trustee’s agent and bailee for purposes
      of perfecting the Trustee’s security interest therein as provided by the
      applicable Uniform Commercial Code or other laws.

    

    
      
        
        

      

      
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    (d) The
      Master Servicer agrees that it shall not, and shall not authorize a Servicer
      to,
      create, incur or subject any Mortgage Loans, or any funds that are deposited
      in
      any custodial account, Escrow Account or the Collection Account, or any funds
      that otherwise are or may become due or payable to the Trustee, to any claim,
      lien, security interest, judgment, levy, writ of attachment or other
      encumbrance, nor assert by legal action or otherwise any claim or right of
      setoff against any Mortgage Loan or any funds collected on, or in connection
      with, a Mortgage Loan.

    

    Section
      9.14. Representations
      and Warranties of the Master Servicer. 

    

    (a) The
      Master Servicer hereby represents and warrants to the Depositor, the Securities
      Administrator and the Trustee, for the benefit of the Certificateholders, as
      of
      the Closing Date that:

    

    (i) it
      is
      validly existing and in good standing under the jurisdiction of its formation,
      and as Master Servicer has full power and authority to transact any and all
      business contemplated by this Agreement and to execute, deliver and comply
      with
      its obligations under the terms of this Agreement, the execution, delivery
      and
      performance of which have been duly authorized by all necessary corporate action
      on the part of the Master Servicer;

    

    (ii) the
      execution and delivery of this Agreement by the Master Servicer and its
      performance and compliance with the terms of this Agreement will not (A) violate
      the Master Servicer’s certificate of formation or limited liability company
      agreement, (B) violate any law or regulation or any administrative decree or
      order to which it is subject or (C) constitute a default (or an event which,
      with notice or lapse of time, or both, would constitute a default) under, or
      result in the breach of, any material contract, agreement or other instrument
      to
      which the Master Servicer is a party or by which it is bound or to which any
      of
      its assets are subject, which violation, default or breach would materially
      and
      adversely affect the Master Servicer’s ability to perform its obligations under
      this Agreement;

    

    
      
        
        

      

      
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    (iii) this
      Agreement constitutes, assuming due authorization, execution and delivery hereof
      by the other respective parties hereto, a legal, valid and binding obligation
      of
      the Master Servicer, enforceable against it in accordance with the terms hereof,
      except as such enforcement may be limited by bankruptcy, insolvency,
      reorganization, moratorium and other laws affecting the enforcement of
      creditors’ rights in general, and by general equity principles (regardless of
      whether such enforcement is considered in a proceeding in equity or at
      law);

    

    (iv) the
      Master Servicer is not in default with respect to any order or decree of any
      court or any order or regulation of any federal, state, municipal or
      governmental agency to the extent that any such default would materially and
      adversely affect its performance hereunder;

    

    (v) the
      Master Servicer is not a party to or bound by any agreement or instrument or
      subject to any certificate of formation or limited liability company agreement
      provision or any other company restriction or any judgment, order, writ,
      injunction, decree, law or regulation that may materially and adversely affect
      its ability as Master Servicer to perform its obligations under this Agreement
      or that requires the consent of any third person to the execution of this
      Agreement or the performance by the Master Servicer of its obligations under
      this Agreement; 

    

    (vi) no
      litigation is pending or, to the best of the Master Servicer’s knowledge,
      threatened against the Master Servicer which would prohibit its entering into
      this Agreement or performing its obligations under this Agreement;

    

    (vii) the
      Master Servicer, or an affiliate thereof the primary business of which is the
      servicing of conventional residential mortgage loans, is an FNMA- and FHLMC
      approved seller/servicer;

    

    (viii) no
      consent, approval, authorization or order of any court or governmental agency
      or
      body is required for the execution, delivery and performance by the Master
      Servicer of or compliance by the Master Servicer with this Agreement or the
      consummation of the transactions contemplated by this Agreement, except for
      such
      consents, approvals, authorizations and orders (if any) as have been
      obtained;

    

    (ix) the
      consummation of the transactions contemplated by this Agreement are in the
      ordinary course of business of the Master Servicer; and

    

    (x) the
      Master Servicer has obtained an Errors and Omissions Insurance Policy and a
      Fidelity Bond in accordance with Section 9.02, each of which is in full force
      and effect, and each of which provides at least such coverage as is required
      hereunder.

    

    (b) It
      is
      understood and agreed that the representations and warranties set forth in
      this
      Section 9.14 shall survive the execution and delivery of this Agreement. The
      Master Servicer shall indemnify the Depositor, the Securities Administrator
      and
      the Trustee and hold them harmless against any loss, damages, penalties, fines,
      forfeitures, 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 Master Servicer’s
      representations and warranties contained in Section 9.14(a). Notwithstanding
      anything in this Agreement to the contrary, the Master Servicer shall not be
      liable for special, indirect or consequential losses or damages of any kind
      whatsoever (including, but not limited to, lost profits). It is understood
      and
      agreed that the enforcement of the obligation of the Master Servicer set forth
      in this Section to indemnify the Depositor and the Trustee as provided in this
      Section constitutes the sole remedy (other than as set forth in Section 6.14)
      of
      the Depositor and the Trustee, respecting a breach of the foregoing
      representations and warranties. Such indemnification shall survive any
      termination of the Master Servicer as Master Servicer hereunder, and any
      termination of this Agreement. 

    

    
      
        
        

      

      
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    (c) It
      is
      understood and agreed that the representations and warranties of the Depositor
      set forth in Sections 2.03(a)(i) through (vi) shall survive the execution and
      delivery of this Agreement. The Depositor shall indemnify the Master Servicer
      and hold it harmless against any loss, damages, penalties, fines, forfeitures,
      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 Depositor’s representations and warranties
      contained in Sections 2.03(a)(i) through (vi) hereof. It is understood and
      agreed that the enforcement of the obligation of the Depositor set forth in
      this
      Section to indemnify the Master Servicer as provided in this Section constitutes
      the sole remedy of the Master Servicer respecting a breach by the Depositor
      of
      the representations and warranties in Sections 2.03(a)(i) through (vi)
      hereof.

    

    (d) Any
      cause
      of action against the Master Servicer relating to or arising out of the breach
      of any representations and warranties made in this Section shall accrue upon
      discovery of such breach by either the Depositor, the Master Servicer or the
      Trustee or notice thereof by any one of such parties to the other
      parties.

    

    Section
      9.15. Closing
      Certificate and Opinion. 

    

    On
      or
      before the Closing Date, the Master Servicer shall cause to be delivered to
      the
      Depositor, the Trustee and Lehman Brothers Inc. an Opinion of Counsel, dated
      the
      Closing Date, in form and substance reasonably satisfactory to the Depositor
      and
      Lehman Brothers Inc., as to the due authorization, execution and delivery of
      this Agreement by the Master Servicer and the enforceability thereof.

    

    Section
      9.16. Standard
      Hazard and Flood Insurance Policies. 

    

    For
      each
      Mortgage Loan (other than a Cooperative Loan), the Master Servicer shall
      maintain, or cause to be maintained by each Servicer, standard fire and casualty
      insurance and, where applicable, flood insurance, all in accordance with the
      provisions of this Agreement and the related Servicing Agreement, as applicable.
      It is understood and agreed that such insurance shall be with insurers meeting
      the eligibility requirements set forth in the applicable Servicing Agreement
      and
      that no earthquake or other additional insurance is to be required of any
      Mortgagor or to be maintained on property acquired in respect of a defaulted
      loan, other than pursuant to such applicable laws and regulations as shall
      at
      any time be in force and as shall require such additional
      insurance.

    

    
      
        
        

      

      
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    Pursuant
      to Section 4.01, any amounts collected by the Master Servicer, or by any
      Servicer, under any insurance policies maintained pursuant to this Section
      9.16
      (other than amounts to be applied to the restoration or repair of the property
      subject to the related Mortgage or released to the Mortgagor in accordance
      with
      the Master Servicer’s or a Servicer’s normal servicing procedures and Accepted
      Servicing Practices) shall be deposited into the Collection Account, subject
      to
      withdrawal pursuant to Section 4.02. Any cost incurred by the Master Servicer
      or
      any Servicer in maintaining any such insurance if the Mortgagor defaults in
      its
      obligation to do so shall be added to the amount owing under the Mortgage Loan
      where the terms of the Mortgage Loan so permit; provided,
      however,
      that
      the addition of any such cost shall not be taken into account for purposes
      of
      calculating the distributions to be made to Certificateholders and shall be
      recoverable by the Master Servicer or such Servicer pursuant to Section
      4.02(v).

    

    Section
      9.17. Presentment
      of Claims and Collection of Proceeds. 

    

    The
      Master Servicer shall, or shall cause each Servicer (to the extent provided
      in
      the applicable Servicing Agreement) to, prepare and present on behalf of the
      Trustee and the Certificateholders all claims under the Insurance Policies
      with
      respect to the Mortgage Loans, and take such actions (including the negotiation,
      settlement, compromise or enforcement of the insured’s claim) as shall be
      necessary to realize recovery under such policies. Any proceeds disbursed to
      the
      Master Servicer (or disbursed to a Servicer and remitted to the Master Servicer)
      in respect of such policies or bonds shall be promptly deposited in the
      Collection Account upon receipt, except that any amounts realized that are
      to be
      applied to the repair or restoration of the related Mortgaged Property or
      released to the Mortgagor in accordance with the Master Servicer’s or a
      Servicer’s normal servicing procedures need not be so deposited (or
      remitted).

    

    Section
      9.18. Maintenance
      of the Primary Mortgage Insurance Policies. 

    

    (a) The
      Master Servicer shall not take, or knowingly permit any Servicer (consistent
      with the applicable Servicing Agreement) to take, any action that would result
      in non-coverage under any applicable Primary Mortgage Insurance Policy of any
      loss which, but for the actions of such Master Servicer or Servicer, would
      have
      been covered thereunder. To the extent that coverage is available, the Master
      Servicer shall use its best reasonable efforts to keep in force and effect,
      or
      to cause each Servicer to keep in force and effect (to the extent that the
      Mortgage Loan requires the Mortgagor to maintain such insurance), primary
      mortgage insurance applicable to each Mortgage Loan in accordance with the
      provisions of this Agreement and the related Servicing Agreement, as applicable.
      The Master Servicer shall not, and shall not permit any Servicer to, cancel
      or
      refuse to renew any such Primary Mortgage Insurance Policy that is in effect
      at
      the date of the initial issuance of the Certificates and is required to be
      kept
      in force hereunder except as required by applicable law or in accordance with
      the provisions of this Agreement and the related Servicing Agreement, as
      applicable.

    

    
      
        
        

      

      
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    (b) The
      Master Servicer agrees to present, or to cause each Servicer to present, on
      behalf of the Trustee and the Certificateholders, claims to the insurer under
      any Primary Mortgage Insurance Policies and, in this regard, to take such
      reasonable action as shall be necessary to permit recovery under any Primary
      Mortgage Insurance Policies respecting defaulted Mortgage Loans. Pursuant to
      Section 4.01, any amounts collected by the Master Servicer or any Servicer
      under
      any Primary Mortgage Insurance Policies shall be deposited in the Collection
      Account, subject to withdrawal pursuant to Section 4.02.

    

    Section
      9.19. Trustee
      To Retain Possession of Certain Insurance Policies and Documents.

    

    The
      Trustee (or the applicable Custodian pursuant to the Custodial Agreement),
      shall
      retain possession and custody of the originals of the Primary Mortgage Insurance
      Policies or certificate of insurance if applicable and any certificates of
      renewal as to the foregoing as may be issued from time to time as contemplated
      by this Agreement. Until all amounts distributable in respect of the
      Certificates have been distributed in full and the Master Servicer otherwise
      has
      fulfilled its obligations under this Agreement, the Trustee (or any Custodian,
      as directed by the Trustee) shall also retain possession and custody of each
      Mortgage File in accordance with and subject to the terms and conditions of
      this
      Agreement. The Master Servicer shall promptly deliver or cause to be delivered
      to the Trustee (or the applicable Custodian pursuant to the Custodial
      Agreement), upon the execution or receipt thereof the originals of the Primary
      Mortgage Insurance Policies and any certificates of renewal thereof, and such
      other documents or instruments that constitute portions of the Mortgage File
      that come into the possession of the Master Servicer from time to
      time.

    

    Section
      9.20. Realization
      Upon Defaulted Mortgage Loans. 

    

    The
      Master Servicer shall use its reasonable best efforts to, or to cause a Servicer
      to, foreclose upon, repossess or otherwise comparably convert the ownership
      of
      Mortgaged Properties securing such of the Mortgage Loans as come into and
      continue in default and as to which no satisfactory arrangements can be made
      for
      collection of delinquent payments, all in accordance with the applicable
      Servicing Agreement. Alternatively, the Master Servicer may take, or authorize
      any Servicer to take, other actions in respect of a defaulted Mortgage Loan,
      which may include (i) accepting a short sale (a payoff of the Mortgage Loan
      for
      an amount less than the total amount contractually owed in order to facilitate
      a
      sale of the Mortgaged Property by the Mortgagor) or permitting a short
      refinancing (a payoff of the Mortgage Loan for an amount less than the total
      amount contractually owed in order to facilitate refinancing transactions by
      the
      Mortgagor not involving a sale of the Mortgaged Property), (ii) arranging for
      a
      repayment plan or (iii) agreeing to a modification in accordance with Section
      9.04. In connection with such foreclosure or other conversion or action, the
      Master Servicer shall, consistent with Section 9.18, follow such practices
      and
      procedures as it shall reasonably determine to be in the best interests of
      the
      Trust Fund and the Certificateholders and which shall be consistent with its
      customary practices in performing its general mortgage servicing activities;
      provided that the Master Servicer shall not be liable in any respect hereunder
      if the Master Servicer is acting in connection with any such foreclosure or
      other conversion or action in a manner that is consistent with the provisions
      of
      this Agreement. Neither the Master Servicer, nor any Servicer, shall be required
      to expend its own funds or incur other reimbursable charges in connection with
      any foreclosure, or attempted foreclosure which is not completed, or toward
      the
      correction of any default on a related senior mortgage loan, or towards the
      restoration of any property unless it shall determine (i) that such restoration
      and/or foreclosure will increase the proceeds of liquidation of the Mortgage
      Loan to the Certificateholders after reimbursement to itself for such expenses
      or charges and (ii) that such expenses and charges will be recoverable to it
      through Liquidation Proceeds or Insurance Proceeds (as provided in Section
      4.02).

    

    
      
        
        

      

      
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    Section
      9.21. Compensation
      to the Master Servicer. 

    

    The
      Master Servicer shall be entitled to withdraw from the Collection Account,
      the
      Master Servicing Fee and any other amount pursuant to Section 4.02(vi).
      Servicing compensation in the form of assumption fees, if any, late payment
      charges, as collected, if any, or otherwise shall be retained by the Master
      Servicer (or the applicable Servicer) and shall not be deposited in the
      Collection Account. If the Master Servicer does not retain or withdraw the
      Master Servicing Fee from the Collection Account as provided herein, the Master
      Servicer shall be entitled to direct the Securities Administrator to pay the
      Master Servicing Fee to such Master Servicer by withdrawal from the Certificate
      Account. The Master Servicer shall be required to pay all expenses incurred
      by
      it in connection with its activities hereunder and shall not be entitled to
      reimbursement therefor except as provided in this Agreement. Pursuant to Section
      4.01(e), all income and gain realized from any investment of funds in the
      Collection Account shall be for the benefit of the Master Servicer as additional
      compensation. The provisions of this Section 9.21 are subject to the provisions
      of Section 6.14(b).

    

    Section
      9.22. REO
      Property. 

    

    (a) In
      the
      event the Trust Fund acquires ownership of any REO Property in respect of any
      Mortgage Loan, the deed or certificate of sale shall be issued to the Trustee,
      or to its nominee (or the applicable Servicer if such
      Servicer acknowledges in writing that such deed or certificate of sale is held
      by such Servicer as nominee of the Trustee), on behalf of the
      Certificateholders. The Master Servicer shall use its reasonable best efforts
      to
      sell, or, to the extent provided in the applicable Servicing Agreement, cause
      the applicable Servicer to sell, any REO Property as expeditiously as possible
      and in accordance with the provisions of this Agreement and the related
      Servicing Agreement, as applicable, but in all events within the time period,
      and subject to the conditions set forth in Article X hereof. Pursuant to its
      efforts to sell such REO Property, the Master Servicer shall protect and
      conserve, or cause the applicable Servicer to protect and conserve, such REO
      Property in the manner and to such extent required by the applicable Servicing
      Agreement, subject to Article X hereof.

    

    (b) The
      Master Servicer shall deposit or cause to be deposited all funds collected
      and
      received by it, or recovered from any Servicer, in connection with the operation
      of any REO Property in the Collection Account.

    

    (c) The
      Master Servicer and the applicable Servicer, upon the final disposition of
      any
      REO Property, shall be entitled to reimbursement for any related unreimbursed
      Advances as well as any unpaid Master Servicing Fees or Servicing Fees from
      Liquidation Proceeds received in connection with the final disposition of such
      REO Property; provided,
      that
      (without limitation of any other right of reimbursement that the Master Servicer
      or any Servicer shall have hereunder) any such unreimbursed Advances as well
      as
      any unpaid Master Servicing Fees or Servicing Fees may be reimbursed or paid,
      as
      the case may be, prior to final disposition, out of any net rental income or
      other net amounts derived from such REO Property.

    

    
      
        
        

      

      
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    (d) The
      Liquidation Proceeds from the final disposition of the REO Property, net of
      any
      payment to the Master Servicer and the applicable Servicer as provided above,
      shall be deposited in the Collection Account on or prior to the Determination
      Date in the month following receipt thereof and be remitted by wire transfer
      in
      immediately available funds to the Securities Administrator for deposit into
      the
      Certificate Account on the next succeeding Master Servicer Remittance
      Date.

    

    Section
      9.23. Notices
      to the Depositor and the Securities Administrator

    

    (a) The
      Master Servicer shall promptly notify the Securities Administrator, the Sponsor
      and the Depositor (i) of any legal proceedings pending against the Master
      Servicer of the type described in Item 1117 (§ 229.1117) of Regulation AB and
      (ii) if the Master Servicer shall become (but only to the extent not previously
      disclosed) at any time an affiliate of any of the parties listed on Exhibit
      I to
      this Agreement. On or before March 1st
      of each
      year, the Depositor shall distribute the information in Exhibit I to the Master
      Servicer.

    

    (b) Not
      later
      than three Business Days prior to the Distribution Date of each month, the
      Master Servicer shall provide to the Securities Administrator, the Sponsor
      and
      the Depositor notice of the occurrence of any material modifications, extensions
      or waivers of terms, fees, penalties or payments relating to the Mortgage Loans
      during the related Collection Period or that have cumulatively become material
      over time (Item 1121(a)(11) of Regulation AB) along with all information, data,
      and materials related thereto as may be required to be included in the related
      Distribution Report on Form 10-D. The parties to this Agreement acknowledge
      that
      the performance by the Master Servicer of its duties under this Section 9.23(b)
      related to the timely preparation and delivery of such information is contingent
      upon each applicable Servicer strictly observing all requirements and deadlines
      in the performance of their duties under their related Servicing Agreements.
      The
      Master Servicer shall have no liability for any loss, expense, damage or claim
      arising out of or with respect to any failure to properly prepare and/or timely
      deliver all such information where such failure results from the Master
      Servicer’s inability or failure to obtain or receive, on a timely basis, any
      information from any Servicer needed to prepare or deliver such information,
      which failure does not result from the Master Servicer’s own negligence, bad
      faith or willful misconduct.

    

    Section
      9.24. Reports
      to the Securities Administrator. 

    

    
      
        
        

      

      
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    (a) Not
      later
      than 30 days after each Distribution Date, the Master Servicer shall forward
      to
      the Securities Administrator a statement, deemed to have been certified by
      a
      Servicing Officer, setting forth the status of the Collection Account maintained
      by the Master Servicer as of the close of business on the related Distribution
      Date, indicating that all distributions required by this Agreement to be made
      by
      the Master Servicer have been made (or if any required distribution has not
      been
      made by the Master Servicer, specifying the nature and status thereof) and
      showing, for the period covered by such statement, the aggregate of deposits
      into and withdrawals from the Collection Account maintained by the Master
      Servicer. Copies of such statement shall be provided by the Master Servicer
      to
      the Depositor, Attention: Contract Finance, and, upon request, any
      Certificateholders or the Trustee (or by the Securities Administrator at
      the Master Servicer’s expense if the Master Servicer shall fail to provide such
      copies (unless (i) the Master Servicer shall have failed to provide the
      Securities Administrator with such statement or (ii) the Securities
      Administrator shall be unaware of the Master Servicer’s failure to provide such
      statement)).

    

    (b) Not
      later
      than two Business Days following each Distribution Date, the Master Servicer
      shall deliver to the Person designated by the Depositor, in a format consistent
      with other electronic loan level reporting supplied by the Master Servicer
      in
      connection with similar transactions, “loan level” information with respect to
      the Mortgage Loans as of the related Determination Date (including information
      on any Net Prepayment Interest Shortfalls), to the extent that such information
      has been provided to the Master Servicer by the Servicers or by the
      Depositor.

    

    (c) All
      information, reports and statements prepared by the Master Servicer under this
      Agreement shall be based on information supplied to the Master Servicer by
      the
      Servicers without independent verification thereof and the Master Servicer
      shall
      be entitled to rely on such information.

    

    Section
      9.25. Assessment
      of Compliance and Attestation Reports. 

    

    (a) Assessment
      of Compliance

    

    (i) By
      March
      15 of each year, commencing in March 2008, the Master Servicer, the Paying
      Agent
      (if other than the Securities Administrator) and the Securities Administrator,
      each at its own expense, shall furnish, and shall cause any Servicing Function
      Participant engaged by it to furnish, each at its own expense, to the Sponsor,
      the Depositor, the Master Servicer and the Securities Administrator, a report
      on
      an assessment of compliance with the Relevant Servicing Criteria that contains
      (A) a statement by such party of its responsibility for assessing compliance
      with the Relevant Servicing Criteria, (B) a statement that such party used
      the
      Servicing Criteria to assess compliance with the Relevant Servicing Criteria,
      (C) such party’s assessment of compliance with the Relevant Servicing Criteria
      as of and for the fiscal year covered by the Form 10-K required to be filed
      pursuant to Section 6.20(e), including, if there has been any material instance
      of noncompliance with the Relevant Servicing Criteria, a discussion of each
      such
      failure and the nature and status thereof, and (D) a statement that a registered
      public accounting firm has issued an attestation report on such party’s
      assessment of compliance with the Relevant Servicing Criteria as of and for
      such
      period. If the Securities Administrator and the Paying Agent are the same party,
      the Relevant Servicing Criteria of the Paying Agent shall be included in the
      Securities Administrator’s report.

    

    
      
        
        

      

      
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    (ii) When
      the
      Master Servicer, the Paying Agent (if other than the Securities Administrator)
      and the Securities Administrator (or any Servicing Function Participant engaged
      by it) submit their assessments to the Securities Administrator, such parties
      will also at such time include the assessment (and attestation pursuant to
      subsection (b) of this Section 9.25) of each Servicing Function Participant
      engaged by it and shall indicate to the Securities Administrator what Relevant
      Servicing Criteria will be addressed in any such reports prepared by any such
      Servicing Function Participant.

    

    (iii) Promptly
      after receipt of each report on assessment of compliance, the Securities
      Administrator shall confirm that the assessments, taken as a whole, address
      all
      applicable Servicing Criteria and taken individually address the Relevant
      Servicing Criteria (and disclose the inapplicability of the Servicing Criteria
      not determined to be Relevant Criteria) for each party as set forth on Exhibit
      Q
      and on any similar exhibit set forth in each Servicing Agreement in respect
      of
      each Servicer, and each Custodial Agreement in respect of each Custodian, and
      shall notify the Depositor of any exceptions. By way of clarification and for
      the avoidance of doubt, it is acknowledged that the Securities Administrator
      shall rely exclusively on Exhibit Q and on any similar exhibit set forth in
      the
      Servicing Agreement and Custodial Agreement to determine such applicable
      Servicing Criteria and Relevant Servicing Criteria, as the case may be, and
      shall not otherwise be reporting on the content of or sufficiency of such
      assessments.

    

    (b) Attestation
      Reports

    

    (i) By
      March
      15 of each year, commencing in March 2008, the Master Servicer, the Paying
      Agent
      (if other than the Securities Administrator) and the Securities Administrator,
      each at its own expense, shall cause, and each such party shall cause any
      Servicing Function Participant engaged by it to cause, each at its own expense,
      a registered public accounting firm (which may also render other services to
      the
      Master Servicer, the Paying Agent and the Securities Administrator, as the
      case
      may be) that is a member of the American Institute of Certified Public
      Accountants to furnish a report to the Sponsor, the Depositor, the Master
      Servicer and the Securities Administrator, to the effect that (A) it has
      obtained a representation regarding certain matters from the management of
      such
      party, which includes an assertion that such party has complied with the
      Relevant Servicing Criteria, and (B) on the basis of an examination conducted
      by
      such firm in accordance with standards for attestation engagements issued or
      adopted by the PCAOB, it is expressing an opinion as to whether such party’s
      compliance with the Relevant Servicing Criteria was fairly stated in all
      material respects, or it cannot express an overall opinion regarding such
      party’s assessment of compliance with the Relevant Servicing Criteria. If the
      Securities Administrator and the Paying Agent are the same party, the
      attestation report caused to be furnished by the Securities Administrator shall
      also address the Relevant Servicing Criteria of the Paying Agent. In the event
      that an overall opinion cannot be expressed, such registered public accounting
      firm shall state in such report why it was unable to express such an opinion.
      Such report must be available for general use and not contain restricted use
      language.

    

    
      
        
        

      

      
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    (ii) Promptly
      after receipt of such report from the Master Servicer, the Paying Agent, the
      Securities Administrator or any Servicing Function Participant engaged by such
      parties, the Securities Administrator shall confirm that each assessment
      submitted pursuant subsection (a) of this Section 9.25 is coupled with an
      attestation meeting the requirements of this Section and notify the Depositor
      of
      any exceptions.

    

    (c) The
      Securities Administrator’s, Paying Agent’s and the Master Servicer’s obligation
      to provide assessments of compliance and attestations under this Section 9.25
      shall terminate upon the filing of a Form 15 suspension notice on behalf of
      the
      Trust Fund. Notwithstanding the foregoing after the occurrence of such event
      and
      provided the Depositor is not otherwise provided with such reports or copies
      of
      such reports, the Securities Administrator and Paying Agent shall be obligated
      to provide a copy of such reports by March 15 of each year to the
      Depositor.

    

    Section
      9.26. Annual
      Statement of Compliance with Applicable Servicing Criteria. 

    

    (a) The
      Master Servicer shall deliver (and the Master Servicer shall cause any
      Additional Servicer engaged by it to deliver) to the Sponsor, the Depositor
      and
      the Securities Administrator on or before March 15 of each year, commencing
      in
      March 2008, an Officer’s Certificate stating, as to the signer thereof, that (A)
      a review of such party’s activities during the preceding calendar year or
      portion thereof and of such party’s performance under this Agreement, or such
      other applicable agreement in the case of an Additional Servicer, has been
      made
      under such officer’s supervision and (B) to the best of such officer’s
      knowledge, based on such review, such party has fulfilled all its obligations
      under this Agreement, or such other applicable agreement in the case of an
      Additional Servicer, in all material respects throughout such year or portion
      thereof, or, if there has been a failure to fulfill any such obligation in
      any
      material respect, specifying each such failure known to such officer and the
      nature and status thereof.

    

    Copies
      of
      such statements shall be provided to any Certificateholder upon request, by
      the
      Master Servicer or by the Securities Administrator at the Master Servicer’s
      expense if the Master Servicer failed to provide such copies (unless (i) the
      Master Servicer shall have failed to provide the Securities Administrator with
      such statement or (ii) the Securities Administrator shall be unaware of the
      Master Servicer’s failure to provide such statement).

    

    (b) The
      Master Servicer shall give prompt written notice to the Securities
      Administrator, the Sponsor and the Depositor of the appointment of any
      Subcontractor by it and a written description (in form and substance
      satisfactory to the Securities Administrator, the Sponsor and the Depositor)
      of
      the role and function of each Subcontractor utilized by the Master Servicer,
      specifying (A) the identity of each such Subcontractor and (B) which elements
      of
      the Servicing Criteria set forth under Item 1122(d) of Regulation AB will be
      addressed in assessments of compliance provided by each such
      Subcontractor for
      which
      the Master Servicer does not elect to take responsibility for assessing
      compliance with the Servicing Criteria in accordance with Regulation AB
      Telephone Interpretation 17.06.

    

    
      
        
        

      

      
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    Section
      9.27. Merger
      or Consolidation. 

    

    Any
      Person into which the Master Servicer may be merged or consolidated, or any
      Person resulting from any merger, conversion, other change in form or
      consolidation to which the Master Servicer shall be a party, or any Person
      succeeding to the business of the Master Servicer, shall be the successor to
      the
      Master Servicer hereunder, without the execution or filing of any paper or
      any
      further act on the part of any of the parties hereto, anything herein to the
      contrary notwithstanding; provided,
      however,
      that
      the successor or resulting Person to the Master Servicer shall be a Person
      that
      shall be qualified and approved to service mortgage loans for FNMA or FHLMC
      and
      shall have a net worth of not less than $15,000,000.

    

    Section
      9.28. Resignation
      of Master Servicer. 

    

    Except
      as
      otherwise provided in Sections 9.27 and 9.29 hereof, the Master Servicer shall
      not resign from the obligations and duties hereby imposed on it unless it
      determines that the Master Servicer’s duties hereunder are no longer permissible
      under applicable law or are in material conflict by reason of applicable law
      with any other activities carried on by it and cannot be cured. Any such
      determination permitting the resignation of the Master Servicer shall be
      evidenced by an Opinion of Counsel that shall be Independent to such effect
      delivered to the Trustee and the Securities Administrator. No such resignation
      shall become effective until the Securities Administrator shall have assumed,
      or
      a successor master servicer acceptable to the Trustee shall have been appointed
      by the Securities Administrator and until such successor shall have assumed,
      the
      Master Servicer’s responsibilities and obligations under this Agreement. Notice
      of such resignation shall be given promptly by the Master Servicer and the
      Depositor to the Trustee and the Securities Administrator.

    

    Section
      9.29. Assignment
      or Delegation of Duties by the Master Servicer. 

    

    Except
      as
      expressly provided herein, the Master Servicer shall not assign or transfer
      any
      of its rights, benefits or privileges hereunder to any other Person, or delegate
      to or subcontract with, or authorize or appoint any Subservicer, Subcontractor
      or any other Person to perform any of the duties, covenants or obligations
      to be
      performed by the Master Servicer hereunder; provided,
      however,
      that
      the Master Servicer shall have the right without the prior written consent
      of
      the Trustee, the Depositor or the Rating Agencies to delegate or assign to
      or
      subcontract with or authorize or appoint an Affiliate of the Master Servicer
      to
      perform and carry out any duties, covenants or obligations to be performed
      and
      carried out by the Master Servicer hereunder. In no case, however, shall any
      such delegation, subcontracting or assignment to an Affiliate of the Master
      Servicer relieve the Master Servicer of any liability hereunder. Notice of
      such
      permitted assignment shall be given promptly by the Master Servicer to the
      Depositor, the Trustee and the Securities Administrator. If, pursuant to any
      provision hereof, the duties of the Master Servicer are transferred to a
      successor master servicer, the entire amount of the Master Servicing Fees and
      other compensation payable to the Master Servicer pursuant hereto, including
      amounts payable to or permitted to be retained or withdrawn by the Master
      Servicer pursuant to Section 9.21 hereof, shall thereafter be payable to such
      successor master servicer.

    

    
      
        
        

      

      
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    The
      Master Servicer shall not permit a Subservicer to perform any master servicing
      responsibilities hereunder with respect to the Mortgage Loans unless that
      Subservicer first agrees in writing with such Master Servicer to deliver an
      assessment of compliance and an accountant’s attestation in such manner and at
      such times in compliance with Sections 9.25(a)(ii) and (b)(ii) of this
      Agreement.

    

    Section
      9.30. Limitation
      on Liability of the Master Servicer and Others. 

    

    (a) The
      Master Servicer undertakes to perform such duties and only such duties as are
      specifically set forth in this Agreement. 

    

    (b) No
      provision of this Agreement shall be construed to relieve the Master Servicer
      from liability for its own negligent action, its own negligent failure to act
      or
      its own willful misconduct; provided,
      however,
      that
      the duties and obligations of the Master Servicer shall be determined solely
      by
      the express provisions of this Agreement, the Master Servicer shall not be
      liable except for the performance of such duties and obligations as are
      specifically set forth in this Agreement; no implied covenants or obligations
      shall be read into this Agreement against the Master Servicer and, in absence
      of
      bad faith on the part of the Master Servicer, the Master Servicer may
      conclusively rely, as to the truth of the statements and the correctness of
      the
      opinions expressed therein, upon any certificates or opinions furnished to
      the
      Master Servicer and conforming to the requirements of this
      Agreement.

    

    (c) None
      of
      the Master Servicer, the Seller or the Depositor or any of the directors,
      officers, employees or agents of any of them shall be under any liability to
      the
      Trustee or the Certificateholders for any action taken or for refraining from
      the taking of any action in good faith pursuant to this Agreement, or for errors
      in judgment; provided,
      however,
      that
      this provision shall not protect the Master Servicer, the Seller or the
      Depositor or any such person against any liability that would otherwise be
      imposed by reason of willful misfeasance, bad faith or negligence in its
      performance of its duties or by reason of reckless disregard for its obligations
      and duties under this Agreement. The Master Servicer, the Seller and the
      Depositor and any director, officer, employee or agent of any of them shall
      be
      entitled to indemnification by the Trust Fund and will be held harmless against
      any loss, liability or expense incurred in connection with any legal action
      relating to this Agreement or the Certificates other than any loss, liability
      or
      expense incurred by reason of willful misfeasance, bad faith or negligence
      in
      the performance of his or its duties hereunder or by reason of reckless
      disregard of his or its obligations and duties hereunder. The Master Servicer,
      the Seller and the Depositor and any director, officer, employee or agent of
      any
      of them may rely in good faith on any document of any kind prima facie properly
      executed and submitted by any Person respecting any matters arising hereunder.
      The Master Servicer shall be under no obligation to appear in, prosecute or
      defend any legal action that is not incidental to its duties to master service
      the Mortgage Loans in accordance with this Agreement and that in its opinion
      may
      involve it in any expenses or liability; provided,
      however,
      that the
      Master Servicer may in its sole discretion undertake any such action that it
      may
      deem necessary or desirable in respect to this Agreement and the rights and
      duties of the parties hereto and the interests of the Certificateholders
      hereunder. In such event, the legal expenses and costs of such action and any
      liability resulting therefrom shall be expenses, costs and liabilities of the
      Trust Fund and the Master Servicer shall be entitled to be reimbursed therefor
      out of the Collection Account it maintains as provided by Section
      4.02.

    

    
      
        
        

      

      
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    Section
      9.31. Indemnification;
      Third-Party Claims. 

    

    The
      Master Servicer agrees to indemnify the Depositor, the Sponsor, the Securities
      Administrator and the Trustee, and their respective officers, directors, agents
      and affiliates, and hold each of them harmless against any and all claims,
      losses, penalties, fines, forfeitures, reasonable legal fees and related costs,
      judgments, and any other costs, liability, fees and expenses that the Depositor,
      the Sponsor, the Securities Administrator or the Trustee may sustain as a result
      of (a) any material breach by the Master Servicer of any if its obligations
      hereunder, including particularly its obligations to provide any reports under
      Section 9.25(a), Section 9.25(b), Section 9.26 or any information, data or
      materials required to be included in any Exchange Act report, (b) any material
      misstatement or omission in any information, data or materials provided by
      the
      Master Servicer, or (c) the negligence, bad faith or willful misconduct of
      the
      Master Servicer in connection with its performance hereunder, provided,
      however,
      that in
      no event shall the Master Servicer be liable for any special, consequential,
      indirect or punitive damages pursuant to this Section 9.31, even if advised
      of
      the possibility of such damages. The Depositor, the Sponsor, the Securities
      Administrator and the Trustee shall immediately notify the Master Servicer
      if a
      claim is made by a third party with respect to this Agreement or the Mortgage
      Loans entitling the Depositor, the Sponsor, the Securities Administrator or
      the
      Trustee to indemnification hereunder, whereupon the Master Servicer shall assume
      the defense of any such claim and pay all expenses in connection therewith,
      including counsel fees, and promptly pay, discharge and satisfy any judgment
      or
      decree which may be entered against it or them in respect of such claim.
      Notwithstanding anything to the contrary contained herein, the Master Servicer
      shall not settle any claim involving any of the other parties hereto without
      such party’s prior written consent unless such settlement involves a complete
      and absolute release of such party from any and all liability in connection
      with
      such claim. This indemnification shall survive the termination of this Agreement
      or the termination of the Master Servicer as a party to this
      Agreement.

    

    Section
      9.32. Special
      Servicing of Delinquent Mortgage Loans. 

    

    If
      permitted under the terms of a Servicing Agreement, the Seller may appoint,
      pursuant to the terms of such Servicing Agreement and with the written consent
      of the Depositor, the Master Servicer and the Trustee, a special Servicer (the
      “Special Servicer”) to special service any Distressed Mortgage Loans. Any
      applicable termination fee related to the termination of a Servicer and the
      appointment of any Special Servicer shall be paid by the Mortgage Loan Seller
      from its own funds, without right of reimbursement from the Trust Fund. Any
      fees
      paid to any such Special Servicer shall not exceed the Servicing Fee
      Rate.

    

    
      
        
        

      

      
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    ARTICLE
      X

    

    REMIC
      ADMINISTRATION

    

    Section
      10.01. REMIC
      Administration. 

    

    (a) As
      set
      forth in the Preliminary Statement hereto, the Securities Administrator shall
      elect REMIC status in accordance with the REMIC Provisions with respect to
      each
      of the REMICs. The Securities Administrator shall make such elections on Forms
      1066 or other appropriate federal tax or information return for the taxable
      year
      ending on the last day of the calendar year in which the Certificates are
      issued. For the purposes of such elections, each of the Interests in REMIC
      I,
      other than the Class LT-R Certificate, is hereby designated as a regular
      interest in REMIC I; each of the interests in REMIC II, other than the Class
      R-2
      Interest, is hereby designated as a regular interest in REMIC II; each of the
      interests in REMIC III, other than the Class R-3 Interest, is hereby designated
      as a regular interest in REMIC III; and each Underlying REMIC Certificate and
      each Certificate (other than the Exchange Certificates and the Exchangeable
      Certificates, and the Class P, Class LT-R and Class R Certificates) are hereby
      designated as regular interests in REMIC IV. In addition, the Class R-2 Interest
      is hereby designated as the sole residual interest in REMIC II, the Class R-3
      Interest is hereby designated as the sole residual interest in REMIC III, and
      the Class R Certificate evidences ownership of the Class R-2 Interest and the
      Class R-3 Interest, and is also hereby designated as the sole residual interest
      in REMIC IV.

    

    (b) The
      Closing Date is hereby designated as the “Startup Day” of each REMIC within the
      meaning of section 86OG(a)(9) of the Code. The latest possible maturity date
      for
      purposes of Treasury Regulation 1.86OG-1(a)(4) will be the Latest Possible
      Maturity Date.

    

    (c) The
      Securities Administrator shall pay any and all tax related expenses (not
      including taxes) of each REMIC, including but not limited to any professional
      fees or expenses related to audits or any administrative or judicial proceedings
      with respect to such REMIC that involve the Internal Revenue Service or state
      tax authorities, but only to the extent that (i) such expenses are ordinary
      or
      routine expenses, including expenses of a routine audit but not expenses of
      litigation (except as described in (ii)); or (ii) such expenses or liabilities
      (including taxes and penalties) are attributable to the negligence or willful
      misconduct of the Securities Administrator in fulfilling its duties hereunder
      (including its duties as tax return preparer). The Securities Administrator
      shall be entitled to reimbursement of expenses to the extent provided in clause
      (i) above from the Certificate Account, provided, however, the Securities
      Administrator shall not be entitled to reimbursement for expenses incurred
      in
      connection with the preparation of tax returns and Form SS-4 as required by
      Section 6.20 and this Section 10.01.

    

    (d) The
      Securities Administrator shall prepare (and, if so requested by the Securities
      Administrator, the Trustee shall sign) and file all of each REMIC’s federal and
      applicable state tax and information returns as such REMIC’s direct
      representative. As used in the previous sentence, “applicable state tax and
      information returns” shall mean such returns as may be required by the laws of
      any state, the applicability of which to the Trust Fund shall have been
      confirmed to the Securities Administrator in writing either (i) by the delivery
      to the Securities Administrator of an Opinion of Counsel to such effect, or
      (ii)
      by delivery to the Securities Administrator of a written notification to such
      effect by the taxing authority of such state. The expenses of preparing and
      filing such returns shall be borne by the Securities Administrator. If any
      Disqualified Organization acquires any Ownership Interest in a Residual
      Certificate, then the Securities Administrator will upon request provide to
      the
      Internal Revenue Service, and to the persons specified in Sections 860E(e)(3)
      and (6) of the Code, such information as required in Section 860D(a)(6)(B)
      of
      the Code needed to compute the tax imposed under Section 860E(e) of the Code
      on
      transfers of residual interests to disqualified organizations. The Securities
      Administrator shall be entitled to additional compensation from such person
      for
      the cost of providing such information.

    

    
      
        
        

      

      
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    (e) The
      Securities Administrator shall perform on behalf of each REMIC all reporting
      and
      other tax compliance duties that are the responsibility of such REMIC under
      the
      Code, the REMIC Provisions, or other compliance guidance issued by the Internal
      Revenue Service or any state or local taxing authority. Among its other duties,
      if required by the Code, the REMIC Provisions, or other such guidance, the
      Securities Administrator shall provide (i) to the Treasury or other governmental
      authority such information as is necessary for the application of any tax
      relating to the transfer of a Residual Certificate to any disqualified person
      or
      organization and (ii) to the Certificateholders such information or reports
      as
      are required by the Code or the REMIC Provisions.

    

    If,
      after
      the Closing Date, as a result of any changes to the Code, the REMIC Provisions,
      or other compliance guidance issued by the Internal Revenue Service or any
      state
      or local taxing authority, the Securities Administrator shall have additional
      duties or obligations pursuant to this subsection (e), the Securities
      Administrator shall be entitled to receive reasonable compensation for the
      performance of its duties under this subsection (e); provided,
      however,
      that
      such compensation shall not exceed $5,000 per year.

    

    (f) The
      Securities Administrator, the Master Servicer and the Holders of Certificates
      shall take any action within their respective control and scope of its duties
      or
      cause each REMIC to take any action necessary to create or maintain the status
      of such REMIC as a REMIC under the REMIC Provisions and shall assist each other
      as necessary to create or maintain such status. None of the Securities
      Administrator, the Master Servicer or the Holder of any Residual Certificate
      shall take any action within their respective control, cause any REMIC to take
      any action or fail to take (or fail to cause to be taken) any action within
      its
      control and in the scope of its duties that, under the REMIC Provisions, if
      taken or not taken, as the case may be, could (i) endanger the status of
      any REMIC as a REMIC or (ii) result in the imposition of a tax upon any REMIC
      (including but not limited to the tax on prohibited transactions as defined
      in
      Code Section 860F(a)(2) and the tax on prohibited contributions set forth on
      Section 860G(d) of the Code) (either such event, an “Adverse REMIC Event”)
      unless the Securities Administrator and the Master Servicer have received an
      Opinion of Counsel (at the expense of the party seeking to take such action)
      to
      the effect that the contemplated action will not endanger such status or result
      in the imposition of such a tax. In addition, prior to taking any action with
      respect to any REMIC or the assets therein, or causing any REMIC to take any
      action, which is not expressly permitted under the terms of this Agreement
      any
      Holder of a Residual Certificate will consult with the Securities Administrator
      and the Master Servicer, or their respective designees, in writing, with respect
      to whether such action could cause an Adverse REMIC Event to occur with respect
      to any REMIC, and no such Person shall take any such action or cause any REMIC
      to take any such action as to which the Securities Administrator or the Master
      Servicer has advised it in writing that an Adverse REMIC Event could
      occur.

    

    
      
        
        

      

      
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    (g) Each
      Holder of a Residual Certificate shall pay when due any and all taxes imposed
      on
      the related REMIC by federal or state governmental authorities. To the extent
      it
      has actual knowledge that such taxes were not paid by a Residual
      Certificateholder, the Securities Administrator shall pay any remaining REMIC
      taxes out of current or future amounts otherwise distributable to the Holder
      of
      the Residual Certificate in such REMIC or, if no such amounts are available,
      out
      of other amounts held in the Certificate Account, and shall reduce amounts
      otherwise payable to holders of regular interests in such REMIC, as the case
      may
      be.

    

    (h) The
      Securities Administrator shall, for federal income tax purposes, maintain books
      and records with respect to each REMIC on a calendar year and on an accrual
      basis.

    

    (i) No
      additional contributions of assets shall be made to any REMIC, except as
      expressly provided in this Agreement with respect to eligible substitute
      mortgage loans.

    

    (j) None
      of
      the Trustee, the Securities Administrator, or the Master Servicer shall enter
      into any arrangement by which any REMIC will receive a fee or other compensation
      for services.

    

    (k) Upon
      the
      request of any Rating Agency, the Securities Administrator shall deliver to
      such
      Rating Agency an Officer’s Certificate stating, without regard to any actions
      taken by any party other than the Securities Administrator, the Securities
      Administrator’s compliance with the provisions of this Section 10.01 applicable
      to it. In
      addition, the Trustee shall not have any liability for the actions or failure
      to
      act of the Securities Administrator.

    

    Section
      10.02. Prohibited
      Transactions and Activities. 

    

    None
      of
      the Depositor, the Master Servicer, the Trustee or the Securities Administrator
      shall sell, dispose of, or substitute for any of the Mortgage Loans, except
      in a
      disposition pursuant to (i) the foreclosure of a Mortgage Loan, (ii) the
      bankruptcy of the Trust Fund, (iii) the termination of each REMIC pursuant
      to
      Article VII of this Agreement, (iv) a substitution pursuant to Article II of
      this Agreement or (v) a repurchase of Mortgage Loans pursuant to Article II
      of
      this Agreement, nor acquire any assets for any REMIC, nor sell or dispose of
      any
      investments in the Certificate Account for gain, nor accept any contributions
      to
      any REMIC after the Closing Date, unless it has received an Opinion of Counsel
      (at the expense of the party causing such sale, disposition, or substitution)
      that such disposition, acquisition, substitution, or acceptance will not (a)
      affect adversely the status of such REMIC as a REMIC or of the Certificates,
      other than the Residual and Class P Certificates, as the regular interests
      therein, (b) affect the distribution of interest or principal on the
      Certificates, (c) result in the encumbrance of the assets transferred or
      assigned to the Trust Fund (except pursuant to the provisions of this Agreement)
      or (d) cause such REMIC to be subject to a tax on prohibited transactions or
      prohibited contributions pursuant to the REMIC Provisions.

    

    
      
        
        

      

      
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    Section
      10.03. Indemnification
      with Respect to Certain Taxes and Loss of REMIC Status. 

    

    In
      the
      event that a REMIC fails to qualify as a REMIC, loses its status as a REMIC,
      or
      incurs federal, state or local taxes as a result of a prohibited transaction
      or
      prohibited contribution under the REMIC Provisions due to the negligent
      performance by the Securities Administrator of its duties and obligations set
      forth herein, the Securities Administrator shall indemnify the Holder of the
      Residual Certificate or the Trust Fund, as applicable, against any and all
      losses, claims, damages, liabilities or expenses (“Losses”) resulting from such
      negligence; provided, however, that the Securities Administrator shall not
      be
      liable for any such Losses attributable to the action or inaction of the Master
      Servicer, a Servicer, the Depositor, or the Holder of such Residual Certificate,
      as applicable, or for any such Losses resulting from misinformation provided
      by
      the Holder of such Residual Certificate on which the Securities Administrator
      has relied. The foregoing shall not be deemed to limit or restrict the rights
      and remedies of the Holder of such Residual Certificate now or hereafter
      existing at law or in equity. Notwithstanding the foregoing, however, in no
      event shall the Securities Administrator have any liability (1) for any action
      or omission that is taken in accordance with and in compliance with the express
      terms of, or which is expressly permitted by the terms of, this Agreement,
      (2)
      for any Losses other than arising out of a negligent performance by the
      Securities Administrator its duties and obligations set forth herein, and (3)
      for any special or consequential damages to Certificateholders (in addition
      to
      payment of principal and interest on the Certificates). In addition, the
      Securities Administrator shall not have any liability for the actions or failure
      to act of the Trustee.

    

    Section
      10.04. REO
      Property. 

    

    (a) Notwithstanding
      any other provision of this Agreement, the Master Servicer, acting on behalf
      of
      the Trust Fund hereunder, shall not (except to the extent provided in the
      applicable Servicing Agreement) permit any Servicer to, rent, lease, or
      otherwise earn income on behalf of any REMIC with respect to any REO Property
      which might cause such REO Property to fail to qualify as “foreclosure” property
      within the meaning of section 860G(a)(8) of the Code or result in the receipt
      by
      any REMIC of any “income from non-permitted assets” within the meaning of
      section 860F(a)(2) of the Code or any “net income from foreclosure property”
which is subject to tax under the REMIC Provisions unless the Master Servicer
      has advised, or has caused the applicable Servicer to advise, the Trustee and
      the Securities Administrator in writing to the effect that, under the REMIC
      Provisions, such action would not adversely affect the status of any REMIC
      as a
      REMIC and any income generated for any REMIC by the REO Property would not
      result in the imposition of a tax upon such REMIC.

    

    (b) The
      Master Servicer shall make, or shall cause the applicable Servicer to make,
      reasonable efforts to sell any REO Property for its fair market value. In any
      event, however, the Master Servicer shall, or shall cause the applicable
      Servicer to, dispose of any REO Property within three years from the end of
      the
      calendar year of its acquisition by the Trust Fund unless the Master Servicer
      has received a grant of extension from the Internal Revenue Service to the
      effect that, under the REMIC Provisions and any relevant proposed legislation
      and under applicable state law, the REMIC may hold REO Property for a longer
      period without adversely affecting the REMIC status of such REMIC or causing
      the
      imposition of a Federal or state tax upon such REMIC. If such an extension
      has
      been received, then (a) the Master Servicer shall provide a copy of such
      extension to the Securities Administrator and (b) the Master Servicer, acting
      on
      behalf of the Trust Fund, shall, or shall cause the applicable Servicer to,
      continue to attempt to sell the REO Property for its fair market value for
      such
      period longer than three years as such extension permits (the “Extended
      Period”). If the Master Servicer has not received such an extension, or the
      Master Servicer is acting on behalf of the Trust Fund hereunder, or the
      applicable Servicer is unable to sell the REO Property within 33 months after
      its acquisition by the Trust Fund or if an extension has been received and
      the
      Master Servicer acting on behalf of the Trust Fund hereunder, is unable to
      sell
      the REO Property within the period ending three months before the close of
      the
      Extended Period, the Master Servicer shall, or shall cause the applicable
      Servicer to, before the end of the three year period or the Extended Period,
      as
      applicable, (i) purchase such REO Property at a price equal to the REO
      Property’s fair market value or (ii) auction the REO Property to the highest
      bidder (which may be the Master Servicer) in an auction reasonably designed
      to
      produce a fair price prior to the expiration of the three-year period or the
      Extended Period, as the case may be.

    

    
      
        
        

      

      
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    ARTICLE
      XI

    

    MISCELLANEOUS
      PROVISIONS

    

    Section
      11.01. Binding
      Nature of Agreement; Assignment. 

    

    This
      Agreement shall be binding upon and inure to the benefit of the parties hereto
      and their respective successors and permitted assigns.

    

    Section
      11.02. Entire
      Agreement. 

    

    This
      Agreement contains the entire agreement and understanding among the parties
      hereto with respect to the subject matter hereof, and supersedes all prior
      and
      contemporaneous agreements, understandings, inducements and conditions, express
      or implied, oral or written, of any nature whatsoever with respect to the
      subject matter hereof. The express terms hereof control and supersede any course
      of performance and/or usage of the trade inconsistent with any of the terms
      hereof.

    

    Section
      11.03. Amendment.
      

    

    (a) On
      or
      prior to a Section 7.01(c) Purchase Event, this Agreement may be amended from
      time to time by the Depositor, the Master Servicer, the Securities Administrator
      and the Trustee, without notice to or the consent of any of the Holders, (i)
      to
      cure any ambiguity, (ii) to cause the provisions herein to conform to or be
      consistent with or in furtherance of the statements made with respect to the
      Certificates, the Trust Fund or this Agreement in any Offering Document; or
      to
      correct or supplement any provision herein which may be inconsistent with any
      other provisions herein, (iii) to make any other provisions with respect to
      matters or questions arising under this Agreement or with the provisions of
      any
      Servicing Agreement or (iv) to add, delete, or amend any provisions to the
      extent necessary or desirable to comply with any requirements imposed by the
      Code and the REMIC Provisions. No such amendment effected pursuant to the
      preceding sentence shall, as evidenced by an Opinion of Counsel, adversely
      affect the status of any REMIC created pursuant to this Agreement, nor shall
      such amendment effected pursuant to clause (iii) of such sentence adversely
      affect in any material respect the interests of any Holder. Prior to entering
      into any amendment without the consent of Holders pursuant to this paragraph,
      the Trustee and the Securities Administrator may require an Opinion of Counsel
      (at the expense of the party requesting such amendment) to the effect that
      such
      amendment is permitted under this paragraph. Any such amendment shall be deemed
      not to adversely affect in any material respect any Holder if the Trustee and
      the Securities Administrator receive written confirmation from each Rating
      Agency that such amendment will not cause such Rating Agency to reduce, qualify
      or withdraw the then current rating assigned to the Certificates (and any
      Opinion of Counsel requested by the Trustee or Securities Administrator in
      connection with any such amendment may rely expressly on such confirmation
      as
      the basis therefor). 

    

    
      
        
        

      

      
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    (b) On
      or
      prior to a Section 7.01(c) Purchase Event, this Agreement may also be amended
      from time to time by the Depositor, the Master Servicer and the Securities
      Administrator with the consent of the Holders of not less than 66 2/3% of the
      Class Principal Amount (or Class Notional Amount or Percentage Interest) of
      each
      Class of Certificates affected thereby for the purpose of adding any provisions
      to or changing in any manner or eliminating any of the provisions of this
      Agreement or of modifying in any manner the rights of the Holders; provided,
      however,
      that no
      such amendment shall be made unless the Trustee and the Securities Administrator
      receive an Opinion of Counsel, at the expense of the party requesting the
      change, that such change will not cause an Adverse REMIC Event; and provided,
      further,
      that no
      such amendment may (i) reduce in any manner the amount of, or delay the timing
      of, payments received on Mortgage Loans which are required to be distributed
      on
      any Certificate, without the consent of the Holder of such Certificate or (ii)
      reduce the aforesaid percentages of Class Principal Amount (or Class Notional
      Amount or Percentage Interest) of Certificates of each Class, the Holders of
      which are required to consent to any such amendment without the consent of
      the
      Holders of 100% of the Class Principal Amount (or Class Notional Amount or
      Percentage Interest) of each Class of Certificates affected thereby. For
      purposes of this paragraph, references to “Holder” or “Holders” shall be deemed
      to include, in the case of any Class of Book-Entry Certificates, the related
      Certificate Owners.

    

    (c) After
      a
      Section 7.01(c) Purchase Event but on or prior to a Trust Fund Termination
      Event, this Agreement may be amended from time to time by the Depositor, the
      Master Servicer, the
      Securities
      Administrator, the LTURI holder and the Trustee. Prior to entering into any
      amendment without the consent of Holders pursuant to this paragraph,
      the
      Securities Administrator and the Trustee
      shall be provided with an Opinion of Counsel addressed to the Securities
      Administrator and the Trustee
      (at the expense of the party requesting such amendment) to the effect that
      such
      amendment is permitted under this Section and will not result in an Adverse
      REMIC Event.

    

    
      
        
        

      

      
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    (d) Promptly
      after the execution of any such amendment, the Securities
      Administrator shall furnish written notification of the substance of such
      amendment to each Holder, the Depositor and to the Rating Agencies.

    

    (e) It
      shall
      not be necessary for the consent of Holders under this Section 11.03 to approve
      the particular form of any proposed amendment, but it shall be sufficient if
      such consent shall approve the substance thereof. The manner of obtaining such
      consents and of evidencing the authorization of the execution thereof by Holders
      shall be subject to such reasonable regulations as the Securities Administrator
      may prescribe.

    

    (f) Notwithstanding
      anything to the contrary in any Servicing Agreement, the Trustee shall not
      consent to any amendment of any Servicing Agreement unless (i) such amendment
      is
      effected pursuant to the standards provided in Section 11.03(a) or Section
      11.03(b) with respect to amendment of this Agreement and (ii) except for a
      Permitted Servicing Amendment, any such amendment pursuant to Section
      11.03(a)(iii) shall not be materially inconsistent with the provisions of such
      Servicing Agreement as evidenced by an Officer’s Certificate of the
      Depositor.

    

    (g) Notwithstanding
      anything to the contrary in this Section 11.03, this Agreement may be amended
      from time to time by the Depositor, the Master Servicer, the Securities
      Administrator and the Trustee to the extent necessary, in the judgment of the
      Depositor and its counsel, to comply with the Rules.

    

    (h) Notwithstanding
      anything to the contrary in this Section 11.03, prior
      to any amendment to the loan modification provisions in Section 9.04(b) hereof,
      notice of such amendment shall be provided to each Rating Agency.

    

    (i) Prior
      to
      the execution of any amendment to this Agreement, the Trustee shall be entitled
      to receive and rely upon an Opinion of Counsel addressed to it stating that
      the
      execution of such amendment is authorized or permitted by this Agreement. The
      Trustee may, but shall not be obligated to, enter into any such amendment which
      affects the Trustee’s own rights, duties or immunities under this
      Agreement.

    

    Section
      11.04. Voting
      Rights. 

    

    Except
      to
      the extent that the consent of all affected Certificateholders is required
      pursuant to this Agreement, with respect to any provision of this Agreement
      requiring the consent of Certificateholders representing specified percentages
      of aggregate outstanding Certificate Principal Amount (or Notional Amount),
      Certificates owned by the Depositor, the Master Servicer, the Trustee, the
      Securities Administrator or any Servicer or Affiliates thereof are not to be
      counted so long as such Certificates are owned by the Depositor, the Master
      Servicer, the Trustee, the Securities Administrator or any Servicer or
      Affiliates thereof.

    

    
      
        
        

      

      
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    Section
      11.05. Provision
      of Information. 

    

    (a) For
      so
      long as any of the Certificates of any Series or Class are “restricted
      securities” within the meaning of Rule 144(a)(3) under the Act, each of the
      Depositor and the Securities Administrator agree to cooperate with each other
      to
      provide to any Certificateholders and to any prospective purchaser of
      Certificates designated by such Certificateholder, upon the request of such
      Certificateholder or prospective purchaser, any information required to be
      provided to such holder or prospective purchaser to satisfy the condition set
      forth in Rule 144A(d)(4) under the Act. Any reasonable, out-of-pocket expenses
      incurred by the Securities Administrator in providing such information shall
      be
      reimbursed by the Depositor.

    

    (b) The
      Securities Administrator will make available to any person to whom a Prospectus
      was delivered, upon the request of such person specifying the document or
      documents requested, (i) a copy (excluding exhibits) of any report on Form
      8-K
      or Form 10-K filed with the Securities and Exchange Commission pursuant to
      Section 6.20(c) and (ii) a copy of any other document incorporated by reference
      in the Prospectus to the extent in the possession of the Securities
      Administrator. Any reasonable out-of-pocket expenses incurred by the Securities
      Administrator in providing copies of such documents shall be reimbursed by
      the
      Depositor.

    

    (c) On
      each
      Distribution Date, the Securities Administrator shall deliver or cause to be
      delivered by first class mail or make available on its website to the Depositor,
      Attention: Contract Finance, a copy of the report delivered to
      Certificateholders pursuant to Section 4.03.

    

    Section
      11.06. Governing
      Law. 

    

    THIS
      AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF
      THE
      STATE OF NEW YORK, WITHOUT REFERENCE TO ITS CONFLICT OF LAW PROVISIONS (OTHER
      THAN SECTION 5-1401 OF THE GENERAL OBLIGATIONS LAW), AND THE OBLIGATIONS, RIGHTS
      AND REMEDIES OF THE PARTIES HEREUNDER SHALL BE DETERMINED IN ACCORDANCE WITH
      SUCH LAWS.

    

    Section
      11.07. Notices.
      

    

    All
      demands, notices and communications hereunder shall be in writing and shall
      be
      deemed to have been duly given when delivered to such party at the relevant
      address, facsimile number or electronic mail address set forth below (or at
      such
      other address, facsimile number or electronic mail address as such party may
      designate from time to time by written notice in accordance with this Section
      11.07): (a) in the case of the Depositor, Structured Asset Securities
      Corporation, 745 Seventh Avenue, 13th
      Floor,
      New York, New York 10019, Attention:
      Mortgage Finance, LMT 2007-10,
      (b) in
      the case of the Securities Administrator, its Corporate Trust Office, (c) in
      the
      case of the Trustee, its Corporate Trust Office and (d) in the case of the
      Master Servicer, Aurora Loan Services LLC, 10350 Park Meadows Drive, Littleton,
      Colorado 80124; Attention: Master Servicing, or as to each party such other
      address as may hereafter be furnished by such party to the other parties in
      writing. Any notice required or permitted to be mailed to a Holder shall be
      given by first class mail, postage prepaid, at the address of such Holder as
      shown in the Certificate Register. Any notice so mailed within the time
      prescribed in this Agreement shall be conclusively presumed to have been duly
      given, whether or not the Holder receives such notice.

    

    
      
        
        

      

      
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    Section
      11.08. Severability
      of Provisions. 

    

    If
      any
      one or more of the covenants, agreements, provisions or terms of this Agreement
      shall be for any reason whatsoever held invalid, then such covenants,
      agreements, provisions or terms shall be deemed severable from the remaining
      covenants, agreements, provisions or terms of this Agreement and shall in no
      way
      affect the validity or enforceability of the other provisions of this Agreement
      or of the Certificates or the rights of the Holders thereof.

    

    Section
      11.09. Indulgences;
      No Waivers. 

    

    Neither
      the failure nor any delay on the part of a party to exercise any right, remedy,
      power or privilege under this Agreement shall operate as a waiver thereof,
      nor
      shall any single or partial exercise of any right, remedy, power or privilege
      preclude any other or further exercise of the same or of any other right,
      remedy, power or privilege, nor shall any waiver of any right, remedy, power
      or
      privilege with respect to any occurrence be construed as a waiver of such right,
      remedy, power or privilege with respect to any other occurrence. No waiver
      shall
      be effective unless it is in writing and is signed by the party asserted to
      have
      granted such waiver.

    

    Section
      11.10. Headings
      Not To Affect Interpretation. 

    

    (a) The
      headings contained in this Agreement are for convenience of reference only,
      and
      they shall not be used in the interpretation hereof.

    

    Section
      11.11. Benefits
      of Agreement. 

    

    Nothing
      in this Agreement or in the Certificates, express or implied, shall give to
      any
      Person, other than the parties to this Agreement and their successors hereunder
      and the Holders of the Certificates, any benefit or any legal or equitable
      right, power, remedy or claim under this Agreement, except to the extent
      specified in Sections 11.14 and 11.15.

    

    Section
      11.12. Special
      Notices to the Rating Agencies. 

    

    (a) The
      Depositor shall give prompt notice to the Rating Agencies of the occurrence
      of
      any of the following events of which it has notice:

    

    (i) any
      amendment to this Agreement pursuant to Section 11.03;

    

    (ii) any
      Assignment by the Master Servicer of its rights hereunder or delegation of
      its
      duties hereunder;

    

    (iii) the
      occurrence of any Event of Default described in Section 6.14;

    

    
      
        
        

      

      
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    (iv) any
      notice of termination given to the Master Servicer pursuant to Section 6.14
      and
      any resignation of the Master Servicer hereunder;

    

    (v) the
      appointment of any successor to any Master Servicer pursuant to Section 6.14;
      and

    

    (vi) the
      making of a final payment pursuant to Section 7.02.

    

    (b) All
      notices to the Rating Agencies provided for this Section shall be in writing
      and
      sent by first class mail, telecopy or overnight courier, as
      follows:

    

    If
      to
      S&P, to:

    

    Standard
      & Poor’s Ratings Services

    55
      Water
      Street, 41st Floor

    New
      York,
      New York 10041

    Attention:
      Residential Mortgage Surveillance

    

    If
      to Fitch, to:

    

    Fitch
      Ratings

    One
      State
      Street Plaza

    New
      York,
      New York 10004

    Attention:
      Residential Mortgages

    

    (c) The
      Securities Administrator shall provide or make available to the Rating Agencies
      reports prepared pursuant to Section 4.03. In addition, the Securities
      Administrator shall, at the expense of the Trust Fund, make available to each
      Rating Agency such information as such Rating Agency may reasonably request
      regarding the Certificates or the Trust Fund, to the extent that such
      information is reasonably available to the Securities
      Administrator.

    

    Section
      11.13. Counterparts.
      

    

    This
      Agreement may be executed in one or more counterparts, each of which shall
      be
      deemed to be an original, and all of which together shall constitute one and
      the
      same instrument.

    

    Section
      11.14. Transfer
      of Servicing.

    

    The
      Seller agrees that it shall provide written notice to the Trustee, the
      Securities Administrator and the Master Servicer thirty days prior to any
      transfer or assignment by the Seller of its rights under any Servicing Agreement
      or of the servicing thereunder or delegation of its rights or duties thereunder
      or any portion thereof to any Person other than the initial Servicer under
      any
      Servicing Agreement; provided,
      that
      (i) the Seller shall not be required to provide prior notice of any transfer
      of
      servicing that occurs within three months following the Closing Date to an
      entity that is a Servicer on the Closing Date or (ii) LBH or LBB shall be
      required to provide notice of any transfer of servicing rights by either of
      them
      to the other. In addition, the ability of the Seller to transfer or assign
      its
      rights and delegate its duties under any Servicing Agreement (other than a
      transfer of servicing rights between LBH and LBB) or to transfer the servicing
      thereunder to a successor servicer shall be subject to the following
      conditions:

    

    
      
        
        

      

      
        169

        
          

        

      

      
        
        

      

    

    (i) Such
      successor servicer must be qualified to service loans for FNMA or
      FHLMC;

    

    (ii) Such
      successor servicer must satisfy a Servicer eligibility standards in the
      applicable Servicing Agreement, exclusive of any experience in mortgage loan
      origination, and must be reasonably acceptable to the Master Servicer, whose
      approval shall not be unreasonably withheld;

    

    (iii) Such
      successor servicer must execute and deliver to the Trustee and the Master
      Servicer an agreement, in form and substance reasonably satisfactory to the
      Trustee and the Master Servicer, that contains an assumption by such successor
      servicer of the due and punctual performance and observance of each covenant
      and
      condition to be performed and observed by a Servicer under the applicable
      Servicing Agreement or, (i) in the case of a transfer of servicing to a party
      that is already a Servicer pursuant to this Agreement, an agreement to add
      the
      related Mortgage Loans to each Servicing Agreement already in effect with each
      Servicer and (ii) in the case of a transfer of servicing to a Special Servicer
      pursuant to Section 9.32 herein, a special servicing agreement in the form
      of
      that attached to each Servicing Agreement;

    

    (iv) If
      the
      successor servicer is not a Servicer of Mortgage Loans at the time of transfer,
      there must be delivered to the Trustee a letter from each Rating Agency to
      the
      effect that such transfer of servicing will not result in a qualification,
      withdrawal or downgrade of the then-current rating of any of the Certificates;
      and

    

    (v) The
      Seller shall, at its cost and expense, take such steps, or cause the terminated
      Servicer to take such steps, as may be necessary or appropriate to effectuate
      and evidence the transfer of the servicing of the Mortgage Loans to such
      successor servicer, including, but not limited to, the following: (A) to the
      extent required by the terms of the Mortgage Loans and by applicable federal
      and
      state laws and regulations, the Seller shall cause the prior Servicer to timely
      mail to each obligor under a Mortgage Loan any required notices or disclosures
      describing the transfer of servicing of the Mortgage Loans to the successor
      servicer; (B) prior to the effective date of such transfer of servicing, the
      Seller shall cause the prior Servicer to transmit to any related insurer
      notification of such transfer of servicing; (C) on or prior to the effective
      date of such transfer of servicing, the Seller shall cause the prior Servicer
      to
      deliver to the successor servicer all Mortgage Loan Documents and any related
      records or materials; (D) on or prior to the effective date of such transfer
      of
      servicing, the Seller shall cause the prior Servicer to transfer to the
      successor servicer, or, if such transfer occurs after a Servicer Remittance
      Date
      but before the next succeeding Master Servicer Remittance Date, to the Master
      Servicer, all funds held by the applicable Servicer in respect of the Mortgage
      Loans; (E) on or prior to the effective date of such transfer of servicing,
      the
      Seller shall cause the prior Servicer to, after the effective date of the
      transfer of servicing to the successor servicer, continue to forward to such
      successor servicer, within one Business Day of receipt, the amount of any
      payments or other recoveries received by the prior Servicer, and to notify
      the
      successor servicer of the source and proper application of each such payment
      or
      recovery; and (F) the Seller shall cause the prior Servicer to, after the
      effective date of transfer of servicing to the successor servicer, continue
      to
      cooperate with the successor servicer to facilitate such transfer in such manner
      and to such extent as the successor servicer may reasonably
      request.

    

    
      
        
        

      

      
        170

        
          

        

      

      
        
        

      

    

    Section
      11.15. Tax
      Treatment of the Class P Certificates.

    

    It
      is the
      intent of the parties hereto that the segregated pool of assets consisting
      of
      any collections payable to the Class P Certificates constitutes, for federal
      income tax purposes, a grantor trust as described in Subpart E of Part I of
      Subchapter J of the Code and Treasury Regulation §301.7701-4(c)(2). The
      Securities Administrator shall prepare, sign and file all of the tax returns
      in
      respect of such grantor trust. The expenses of preparing and filing such returns
      shall be borne by the Securities Administrator without any right of
      reimbursement therefor. The Securities Administrator shall comply with each
      such
      requirement by filing Form 1041.

    

    
      
        
        

      

      
        171

        
          

        

      

      
        
        

      

    

    IN
      WITNESS WHEREOF, the parties hereto have caused their names to be signed hereto
      by their respective officers hereunto duly authorized as of the day and year
      first above written.

    

     

    STRUCTURED
      ASSET SECURITIES 
CORPORATION, as Depositor

     

    By:
       
      /s/ Michael Hitzmann        

    Name:
      Nicholas Stimola

    Title:
      Vice President

     

    U.S.
      BANK
      NATIONAL ASSOCIATION,
as
      Trustee

     

    By:
       
      /s/ David Duclos          

    Name:
      David Duclos

    Title:
      Vice President

     

    AURORA
      LOAN SERVICES LLC, 
as
      Master
      Servicer

     

    By:
       
      /s/ Michele Olds          

    Name:
      Michele Olds

    Title:
      Vice President

     

    WELLS
      FARGO BANK, N.A., 
as
      Securities Administrator

     

    By:
       
      /s/ Martin Reed          

    Name:
      Martin Reed

    Title:
      Vice President

     

    

    

    Solely
      for purposes of Sections 6.11 and 11.14, 

    accepted
      and agreed to by:

     

    LEHMAN
      BROTHERS HOLDINGS INC.

     

    By:
        
      /s/ Michael Hitzmann            

    Name:
      Michael Hitzmann

    Title:
      Authorized Signatory

    
      
        
        

      

      
        A-1

        
          

        

      

      
        
        

      

    

     

     

    EXHIBIT
      A

     

    FORMS
      OF
      CERTIFICATES

     

    

     

    
      
        
        

      

      
        
        

        
          

        

      

      
        
        

      

       

    

    EXHIBIT
      B-1

     

    FORM
      OF INITIAL CERTIFICATION

     

                                
      

    [Date]

     

    U.S.
      Bank National Association

    One
      Federal Street, Third Floor

    Boston,
      Massachusetts 02110

    Attention:
      Corporate Trust Services, LMT 2007-10

     

    Structured
      Asset Securities Corporation

    745
      Seventh Avenue, 13th Floor

    New
      York, New York 10019

     

    Aurora
      Loan Services LLC

    10350
      Park Meadows Drive

    Littleton,
      Colorado 80124

     

    
      	 	
              RE:

            	
              Trust
                Agreement dated as of November 1, 2007, (the “Trust Agreement”), among
                

              Structured
                Asset Securities Corporation, as Depositor, Aurora Loan Services
                LLC,
                

              as
                Master Servicer, Wells Fargo Bank, N.A., as Securities Administrator
                and
                U.S. 

              Bank
                National Association, as Trustee, with respect to Lehman 

              Mortgage
                Trust Mortgage Pass-Through Certificates, Series
                2007-10

            	 

    

     

    Ladies
      and Gentlemen:

     

    In
      accordance with Section 2.02(a) of the Trust Agreement, subject to review of
      the
      contents thereof, the undersigned, as Custodian, hereby certifies that it has
      received the documents listed in Section 2.01(b) of the Trust Agreement for
      each
      Mortgage File pertaining to each Mortgage Loan listed on Schedule A, to the
      Trust Agreement, subject to any exceptions noted on Schedule I
      hereto.

     

    Capitalized
      words and phrases used herein and not otherwise defined herein shall have the
      respective meanings assigned to them in the Trust Agreement. This Certificate
      is
      subject in all respects to the terms of Section 2.02 of the Trust Agreement
      and
      the Trust Agreement sections cross-referenced therein.

     

    [Custodian]

     

    By:
      ________________________

    Name: 

    Title:

     

    

    
      
        
        

      

      
        B-1-1

        
          

        

      

      
        
        

      

    

    EXHIBIT
      B-2

     

    FORM
      OF INTERIM CERTIFICATION

     

                             
      

    [Date]

     

    U.S.
      Bank National Association

    One
      Federal Street, Third Floor

    Boston,
      Massachusetts 02110

    Attention:
      Corporate Trust Services, LMT 2007-10

     

    Structured
      Asset Securities Corporation

    745
      Seventh Avenue, 13th Floor

    New
      York, New York 10019

     

    Aurora
      Loan Services LLC

    10350
      Park Meadows Drive

    Littleton,
      Colorado 80124

     

    
      	 	
              RE:

            	
              Trust
                Agreement dated as of November 1, 2007, (the “Trust Agreement”), among
                

              Structured
                Asset Securities Corporation, as Depositor, Aurora Loan Services
                LLC,
                

              as
                Master Servicer, and U.S. Bank National Association, as Trustee,
                with
                respect to 

              Lehman
                Mortgage Trust Mortgage Pass-Through Certificates, Series
                2007-10

            	 

    

     

    Ladies
      and Gentlemen:

     

    In
      accordance with Section 2.02(b) of the Trust Agreement, the undersigned, as
      Custodian, hereby certifies that as to each Mortgage Loan listed in the Mortgage
      Loan Schedule (other than any Mortgage Loan paid in full or listed on the
      attachment hereto) it (or its custodian) has received the applicable documents
      listed in Section 2.01(b) of the Trust Agreement.

     

    The
      undersigned hereby certifies that as to each Mortgage Loan identified on the
      Mortgage Loan Schedule, other than any Mortgage Loan listed on the attachment
      hereto, it has reviewed the documents listed above and has determined that
      each
      such document appears regular on its face and appears to relate to the Mortgage
      Loan identified in such document.

     

    Capitalized
      words and phrases used herein shall have the respective meanings assigned to
      them in the Trust Agreement. This Certificate is qualified in all respects
      by
      the terms of said Trust Agreement including, but not limited to, Section
      2.02(b).

     

    [Custodian]

     

    By:_______________________________

    Name:

    Title:

     

    
      
        
        

      

      
        B-2-1

        
          

        

      

      
        
        

      

    

    EXHIBIT
      B-3

     

    FORM
      OF FINAL CERTIFICATION

    
       

                               
        

      [Date]

    

     

    U.S.
      Bank National Association

    One
      Federal Street, Third Floor

    Boston,
      Massachusetts 02110

    Attention:
      Corporate Trust Services, LMT 2007-10

     

    Structured
      Asset Securities Corporation

    745
      Seventh Avenue, 13th Floor

    New
      York, New York 10019

     

    Aurora
      Loan Services LLC

    10350
      Park Meadows Drive

    Littleton,
      Colorado 80124

     

    
      	
            	Re:	
              Trust
                Agreement dated as of November 1, 2007, (the “Trust Agreement”), among
                

              Structured
                Asset Securities Corporation, as Depositor, Aurora Loan Services
                LLC,
                

              as
                Master Servicer, Wells Fargo Bank, N.A., as Securities Administrator
                and
                U.S. 

              Bank
                National Association, as Trustee, with respect to Lehman 

              Mortgage
                Trust Mortgage Pass-Through Certificates, Series
                2007-10

            

    

     

    Ladies
      and Gentlemen:

     

    In
      accordance with Section 2.02(d) of the Trust Agreement, the undersigned, as
      Custodian, hereby certifies that as to each Mortgage Loan listed in the Mortgage
      Loan Schedule (other than any Mortgage Loan paid in full or listed on the
      attachment hereto) it has received the applicable documents listed in Section
      2.02(b) of the Trust Agreement.

     

    The
      undersigned hereby certifies that as to each Mortgage Loan identified in the
      Mortgage Loan Schedule, other than any Mortgage Loan listed on Schedule I
      hereto, it has reviewed the documents listed above and has determined that
      each
      such document appears to be complete and, based on an examination of such
      documents, the information set forth in items (i) through (vi) of the definition
      of Mortgage Loan Schedule is correct.

     

    Capitalized
      words and phrases used herein shall have the respective meanings assigned to
      them in the Trust Agreement. This Certificate is qualified in all respects
      by
      the terms of said Trust Agreement.

     

    [Custodian]

     

    By:________________________________

    Name:

    Title:

     

    
      
        
        

      

      
        B-3-1

        
          

        

      

      
        
        

      

       

    

    EXHIBIT
      B-4

     

    FORM
      OF
      ENDORSEMENT

     

    Pay
      to
      the order of
      U.S. Bank National Association,
      as
      trustee (the “Trustee”) under the Trust
      Agreement dated as of November 1, 2007, (the “Trust Agreement”), among
      Structured Asset Securities Corporation, as Depositor, Aurora Loan Services
      LLC,
      as Master Servicer, Wells Fargo Bank, N.A., as Securities Administrator and
      U.S.
      Bank National Association, as Trustee,
      relating
      to Lehman Mortgage Trust Mortgage Pass-Through Certificates, Series 2007-10,
      without recourse.

     

    ______________________________________

    [current
      signatory on note]

     

    By:___________________________________

    Name:

    Title:

     

    
      
        
        

      

      
        B-4-1

        
          

        

      

      
        
        

      

    

    EXHIBIT
      C

     

    REQUEST
      FOR RELEASE OF DOCUMENTS AND RECEIPT

    
      
         

                                 
          

        [Date]

      

    

     

    [Addressed
      to Trustee

    or,
      if
      applicable, custodian]

     

    In
      connection with the administration of the mortgages held by you as Trustee
      under
      a certain
      Trust Agreement dated as of November 1, 2007, (the “Trust Agreement”), among
      Structured Asset Securities Corporation, as Depositor, Aurora Loan Services
      LLC,
      as Master Servicer, Wells Fargo Bank, N.A., as Securities Administrator and
      you,
      as
      Trustee (the “Trust Agreement”), the undersigned Master Servicer hereby requests
      a release of the Mortgage File held by you as Trustee, or Custodian, as
      applicable, with respect to the following described Mortgage Loan for the reason
      indicated below.

     

    Mortgagor’s
      Name:

     

    Address:

     

    Loan
      No.:

     

    Reason
      for requesting file:

     

    1. Mortgage
      Loan paid in full. (The Master Servicer hereby certifies that all amounts
      received in connection with the loan have been or will be credited to the
      Collection Account or the Certificate Account (whichever is applicable) pursuant
      to the Trust Agreement.)

     

    2. The
      Mortgage Loan is being foreclosed.

     

    3. Mortgage
      Loan substituted. (The Master Servicer hereby certifies that a Qualifying
      Substitute Mortgage Loan has been assigned and delivered to you along with
      the
      related Mortgage File pursuant to the Trust Agreement.)

     

    4. Mortgage
      Loan repurchased. (The Master Servicer hereby certifies that the Purchase Price
      has been credited to the Collection Account or the Certificate Account
      (whichever is applicable) pursuant to the Trust Agreement.)

     

    5. Other.
      (Describe)

     

    The
      undersigned acknowledges that the above Mortgage File will be held by the
      undersigned in accordance with the provisions of the Trust Agreement and will
      be
      returned to you within ten (10) days of our receipt of the Mortgage File, except
      if the Mortgage Loan has been paid in full, or repurchased or substituted for
      a
      Qualifying Substitute Mortgage Loan (in which case the Mortgage File will be
      retained by us permanently).

     

    
      
        
        

      

      
        C-1

        
          

        

      

      
        
        

      

       

    

    Capitalized
      terms used herein shall have the meanings ascribed to them in the Trust
      Agreement.

     

    _____________________________________

    [Name
      of
      Master Servicer]

     

    By:__________________________________

    Name:

    Title:
      Servicing Officer

     

    
      
        
        

      

      
        C-2

        
          

        

      

      
        
        

      

    

    EXHIBIT
      D-1

     

    FORM
      OF
      RESIDUAL CERTIFICATE TRANSFER AFFIDAVIT (TRANSFEREE)

     

    
      
        	
                STATE
                  OF

              	
                )

              
	 	
                )
                  ss.:

              
	
                COUNTY
                  OF

              	
                )

              

      

    

     

    [NAME
      OF
      OFFICER], _________________ being first duly sworn, deposes and
      says:

     

    1. That
      he
      [she] is [title of officer] ________________________ of [name of Purchaser]
      _________________________________________ (the “Purchaser”), a
      _______________________ [description of type of entity] duly organized and
      existing under the laws of the [State of __________] [United States], on behalf
      of which he [she] makes this affidavit.

     

    2. That
      the
      Purchaser’s Taxpayer Identification Number is ______________.

     

    3. That
      the
      Purchaser is not a “disqualified organization” within the meaning of Section
      860E(e)(5) of the Internal Revenue Code of 1986, as amended (the “Code”) and
      will not be a “disqualified organization” as of __________________ [date of
      transfer], and that the Purchaser is not acquiring a Residual Certificate (as
      defined in the Agreement) for the account of, or as agent (including a broker,
      nominee, or other middleman) for, any person or entity from which it has not
      received an affidavit substantially in the form of this affidavit. 

     

    4. That
      the
      Purchaser either (x) is not, and on __________________ [date of transfer] will
      not be, an employee benefit plan or other retirement arrangement subject to
      Section 406 of the Employee Retirement Income Security Act of 1974, as amended
      (“ERISA”), or Section 4975 of the Code (“Code”), (collectively, a “Plan”) or a
      person acting on behalf of any such Plan or investing the assets of any such
      Plan to acquire a Residual Certificate; (y) is an insurance company that is
      purchasing the Certificate with funds contained in an “insurance company general
      account” as defined in Section V(e) of Prohibited Transaction Class Exemption
      (“PTCE”) 95-60 and the purchase and holding of the Certificate are covered under
      Sections I and III of PTCE 95-60; or (z) herewith delivers to the Certificate
      Registrar an opinion of counsel satisfactory to the Securities
      Administrator,
      and
      upon which the Trustee, the Certificate Registrar, the Master Servicer, the
      Securities
      Administrator
      and the
      Depositor shall be entitled to rely, to the effect that the purchase or holding
      of such Residual Certificate by the Investor will not result in any non-exempt
      prohibited transactions under Title I of ERISA or Section 4975 of the Code
      and
      will not subject the Trustee, the Certificate Registrar, the Depositor, the
      Securities
      Administrator
      or the
      Master Servicer to any obligation in addition to those undertaken by such
      entities in the Trust Agreement, which opinion of counsel shall not be an
      expense of the Trust Fund or any of the above parties.

     

    5. That
      the
      Purchaser hereby acknowledges that under the terms of the Trust Agreement (the
      “Agreement”) dated
      as of November 1, 2007, among Structured Asset Securities Corporation, as
      Depositor, Aurora Loan Services LLC, as Master Servicer, Wells Fargo Bank,
      N.A.,
      as Securities Administrator and U.S. Bank National Association, as
      Trustee,
      no
      transfer of a Residual Certificate shall be permitted to be made to any person
      unless the Depositor and the Certificate Registrar have received a certificate
      from such transferee containing the representations in paragraphs 3, 4 and
      5
      hereof.

     

    
      
        
        

      

      
        D-1-1

        
          

        

      

      
        
        

      

    

     

    6. That
      the
      Purchaser does not hold REMIC residual securities as nominee to facilitate
      the
      clearance and settlement of such securities through electronic book-entry
      changes in accounts of participating organizations (such entity, a “Book-Entry
      Nominee”).

     

    7. That
      the
      Purchaser does not have the intention to impede the assessment or collection
      of
      any federal, state or local taxes legally required to be paid with respect
      to
      such Residual Certificate, and that the Purchaser has provided financial
      statements or other financial information requested by the transferor in
      connection with the transfer of the Residual Certificate in order to permit
      the
      transferor to assess the financial capability of the Purchaser to pay such
      taxes.

     

    8. That
      the
      Purchaser will not transfer a Residual Certificate to any person or entity
      (i)
      as to which the Purchaser has actual knowledge that the requirements set forth
      in paragraph 3, paragraph 6 or paragraph 10 hereof are not satisfied or that
      the
      Purchaser has reason to believe does not satisfy the requirements set forth
      in
      paragraph 7 hereof, and (ii) without obtaining from the prospective Purchaser
      an
      affidavit substantially in this form and providing to the Certificate Registrar
      a written statement substantially in the form of Exhibit G to the
      Agreement.

     

    9. That
      the
      Purchaser understands that, as the holder of a Residual Certificate, the
      Purchaser may incur tax liabilities in excess of any cash flows generated by
      the
      interest and that it intends to pay taxes associated with holding such Residual
      Certificate as they become due.

     

    10. That
      the
      Purchaser (i) is a U.S. Person or (ii) is a Non-U.S. Person that holds a
      Residual Certificate in connection with the conduct of a trade or business
      within the United States and has furnished the transferor and the Certificate
      Registrar with an effective Internal Revenue Service Form W-8 ECI (Certificate
      of Foreign Person’s Claim for exception From Withholding on Income Effectively
      Connected with the Conduct of a Trade or Business in the United States) or
      successor form at the time and in the manner required by the Code. “Non-U.S.
      Person” means any person other than (i) a citizen or resident of the United
      States; (ii) a corporation (or entity treated as a corporation for tax purposes)
      created or organized in the United States or under the laws of the United States
      or of any state thereof, including, for this purpose, the District of Columbia;
      (iii) a partnership (or entity treated as a partnership for tax purposes)
      organized in the United States or under the laws of the United States or of
      any
      state thereof, including, for this purpose, the District of Columbia (unless
      provided otherwise by future Treasury regulations); (iv) an estate whose income
      is includible in gross income for United States income tax purposes regardless
      of its source; (v) a trust, if a court within the United States is able to
      exercise primary supervision over the administration of the trust and one or
      more U.S. Persons have authority to control all substantial decisions of the
      trust; (vi) and, to the extent provided in Treasury regulations, certain trusts
      in existence prior to August 20, 1996 that are treated as United States persons
      prior to such date and elect to continue to be treated as United States
      persons.

     

    
      
        
        

      

      
        D-1-2

        
          

        

      

      
        
        

      

    

     

    11. That
      the
      Purchaser agrees to such amendments of the Trust Agreement as may be required
      to
      further effectuate the restrictions on transfer of any Residual Certificate
      to
      such a “disqualified organization,” an agent thereof, a Book-Entry Nominee, or a
      person that does not satisfy the requirements of paragraph 7 and paragraph
      10
      hereof.

     

    12. That
      the
      Purchaser consents to the designation of the Securities Administrator as its
      agent to act as “tax matters person” of the Trust Fund pursuant to the Trust
      Agreement.

     

    
      
        
        

      

      
        D-1-3

        
          

        

      

      
        
        

      

    

    IN
      WITNESS WHEREOF, the Purchaser has caused this instrument to be executed on
      its
      behalf, pursuant to authority of its Board of Directors, by its [title of
      officer] this _____ day of __________, 20__.

     

    ______________________________________

    [name
      of
      Purchaser]

     

    By:___________________________________

    Name:
      

    Title:
      

     

    Personally
      appeared before me the above-named [name of officer] ________________, known
      or
      proved to me to be the same person who executed the foregoing instrument and
      to
      be the [title of officer] _________________ of the Purchaser, and acknowledged
      to me that he [she] executed the same as his [her] free act and deed and the
      free act and deed of the Purchaser.

     

    Subscribed
      and sworn before me this _____ day of __________, 20__.

     

    NOTARY
      PUBLIC

     

    _________________________________

     

    COUNTY
      OF_____________________

     

    STATE
      OF_______________________

     

    My
      commission expires the _____ day of __________, 20__.

     

     

    
      
        
        

      

      
        D-1-4

        
          

        

      

      
        
        

      

       

    

    EXHIBIT
      D-2

     

    FORM
      OF
      RESIDUAL CERTIFICATE TRANSFER AFFIDAVIT (TRANSFEROR)

     

    __________________

    Date

     

    
      	 	
              Re:

            	
              Lehman
                Mortgage Trust

              Mortgage
                Pass-Through Certificates

              
                Series
                  2007-10                  
                  

              

            

    

     

    _______________________
      (the “Transferor”) has reviewed the attached affidavit of
      _____________________________ (the “Transferee”), and has no actual knowledge
      that such affidavit is not true and has no reason to believe that the
      information contained in paragraph 7 thereof is not true, and has no reason
      to
      believe that the Transferee has the intention to impede the assessment or
      collection of any federal, state or local taxes legally required to be paid
      with
      respect to a Residual Certificate. In addition, the Transferor has conducted
      a
      reasonable investigation at the time of the transfer and found that the
      Transferee had historically paid its debts as they came due and found no
      significant evidence to indicate that the Transferee will not continue to pay
      its debts as they become due.

     

    Very
      truly yours,

     

    _______________________________

    Name:

    Title:

     

    
      
        
        

      

      
        D-2-1

        
          

        

      

      
        
        

      

    

    EXHIBIT
      E

     

    LIST
      OF
      SERVICING AGREEMENT(S)

    

    (a) Servicing
      Agreement dated as of November 1, 2007, by and among Holdings, as seller, and
      Aurora Loan Services LLC, in its capacities as Servicer and as Master Servicer,
      and as acknowledged by the Trustee

     

    (b) Correspondent
      Servicing Agreement dated as of June 26, 2002 and amended as of October 27,
      2006, by and among Colonial Savings, F.A., as Servicer, the Master Servicer
      and
      LBB, as supplemented by a Transfer Notice dated November 1, 2007, between the
      Servicer and Holdings

     

    (c) Reconstituted
      Servicing Agreement dated as of November 1, 2007, by and between Holdings,
      as
      seller and GreenPoint Mortgage Funding, Inc., as Servicer, and as acknowledged
      by the Master Servicer and the Trustee

     

    (d) Reconstituted
      Servicing Agreement dated as of November 1, 2007, by and between Holdings,
      as
      seller and IndyMac Bank, F.S.B., as Servicer, and as acknowledged by the Master
      Servicer and the Trustee

     

    (e) Servicing
      Agreement dated as of November 1, 2007, by and among Holdings, as seller,
      Midwest Loan Services, Inc., as Servicer and Aurora Loan Services LLC, as Master
      Servicer, and as acknowledged by the Trustee

     

    (f) Reconstituted
      Servicing Agreement dated as of November 1, 2007, by and between Holdings,
      as
      seller and National City Mortgage Co., as Servicer, and as acknowledged by
      the
      Master Servicer and the Trustee

     

    (g) Reconstituted
      Servicing Agreement dated as of November 1, 2007, by and among Holdings, as
      seller, PHH Mortgage Corporation, as Servicer, and the Master Servicer, and
      as
      acknowledged by the Trustee

     

    (h) Reconstituted
      Servicing Agreement dated as of November 1, 2007, by and between Holdings,
      as
      seller and Wells Fargo Bank, N.A., as Servicer, and as acknowledged by the
      Master Servicer and the Trustee

     

    
      
        
        

      

      
        E-1

        
          

        

      

      
        
        

      

       

    

    EXHIBIT
      F

     

    FORM
      OF
      RULE 144A TRANSFER CERTIFICATE

     

    
      	
            	Re:	
              Lehman
                Mortgage Trust

              
                Mortgage
                  Pass-Through Certificates

                Series
                  2007-10        

              

            

    

     

    
    

    Reference
      is hereby made to the Trust
      Agreement dated as of November 1, 2007, (the “Trust Agreement”), among
      Structured Asset Securities Corporation, as Depositor, Aurora Loan Services
      LLC,
      as Master Servicer, Wells Fargo Bank, N.A., as Securities Administrator and
      U.S.
      Bank National Association, as Trustee.
      Capitalized terms used but not defined herein shall have the meanings given
      to
      them in the Trust Agreement.

     

    This
      letter relates to $_________ initial Certificate Principal Amount of Class
            Certificates
      which are held in the form of Definitive Certificates registered in the name
      of
                                
      (the
“Transferor”). The Transferor has requested a transfer of such Definitive
      Certificates for Definitive Certificates of such Class registered in the name
      of
      [insert name of transferee].

     

    In
      connection with such request, and in respect of such Certificates, the
      Transferor hereby certifies that such Certificates are being transferred in
      accordance with (i) the transfer restrictions set forth in the Trust Agreement
      and the Certificates and (ii) Rule 144A under the Securities Act to a purchaser
      that the Transferor reasonably believes is a “qualified institutional buyer”
within the meaning of Rule 144A purchasing for its own account or for the
      account of a “qualified institutional buyer”, which purchaser is aware that the
      sale to it is being made in reliance upon Rule 144A, in a transaction meeting
      the requirements of Rule 144A and in accordance with any applicable securities
      laws of any state of the United States or any other applicable
      jurisdiction.

     

    This
      certificate and the statements contained herein are made for your benefit and
      the benefit of the Certificate Registrar, the Placement Agent and the
      Depositor.

     

    ________________________________________

    [Name
      of
      Transferor]

     

    By:_____________________________________

    Name:

    Title:

     

    Dated:
      __________________, ________

     

    
      
        
        

      

      
        F-1

        
          

        

      

      
        
        

      

    

    EXHIBIT
      G

     

    FORM
      OF
      PURCHASER’S LETTER FOR

    INSTITUTIONAL
      ACCREDITED INVESTOR

     

    __________________

    Date

     

    Dear
      Sirs:

     

    In
      connection with our proposed purchase of $______________ principal amount of
      Mortgage Pass-Through Certificates, Series 2007-10 (the “Restricted
      Certificates”) of Structured Asset Securities Corporation (the “Depositor”)
      which are held in the form of Definitive Certificates, we confirm
      that:

     

    
      	
              (1)

            	
              We
                understand that the Restricted Certificates have not been, and will
                not
                be, registered under the Securities Act of 1933, as amended (the
                “Securities Act”), and may not be sold except as permitted in the
                following sentence. We agree, on our own behalf and on behalf of
                any
                accounts for which we are acting as hereinafter stated, that if we
                should
                sell any Restricted Certificates within two years of the later of
                the date
                of original issuance of the Restricted Certificates or the last day
                on
                which such Restricted Certificates are owned by the Depositor or
                any
                affiliate of the Depositor (which includes the Placement Agent) we
                will do
                so only (A) to the Depositor, (B) to “qualified institutional buyers”
                (within the meaning of Rule 144A under the Securities Act) in accordance
                with Rule 144A under the Securities Act (“QIBs”), (C) pursuant to the
                exemption from registration provided by Rule 144 under the Securities
                Act,
                or (D) to an institutional “accredited investor” within the meaning of
                Rule 501(a)(1), (2), (3) or (7) of Regulation D under the Securities
                Act
                that is not a QIB (an “Institutional Accredited Investor”) which, prior to
                such transfer, delivers to the Securities Administrator under
                the Trust
                Agreement dated as of November 1, 2007, (the “Trust Agreement”), among
                Structured Asset Securities Corporation, as Depositor, Aurora Loan
                Services LLC, as Master Servicer, Wells Fargo Bank, N.A., as Securities
                Administrator and U.S. Bank National Association, as Trustee,
                a
                signed letter in the form of this letter; and we further agree, in
                the
                capacities stated above, to provide to any person purchasing any
                of the
                Restricted Certificates from us a notice advising such purchaser
                that
                resales of the Restricted Certificates are restricted as stated
                herein.

            

    

     

    
      	
              (2)

            	
              We
                understand that, in connection with any proposed resale of any Restricted
                Certificates to an Institutional Accredited Investor, we will be
                required
                to furnish to the Certificate Registrar and the Depositor a certification
                from such transferee in the form hereof to confirm that the proposed
                sale
                is being made pursuant to an exemption from, or in a transaction
                not
                subject to, the registration requirements of the Securities Act.
                We
                further understand that the Restricted Certificates purchased by
                us will
                bear a legend to the foregoing
                effect.

            

    

     

    
      
        
        

      

      
        G-1

        
          

        

      

      
        
        

      

    

     

    
      	
              (3)

            	
              We
                are acquiring the Restricted Certificates for investment purposes
                and not
                with a view to, or for offer or sale in connection with, any distribution
                in violation of the Securities Act. We have such knowledge and experience
                in financial and business matters as to be capable of evaluating
                the
                merits and risks of our investment in the Restricted Certificates,
                and we
                and any account for which we are acting are each able to bear the
                economic
                risk of such investment.

            

    

     

    
      	
              (4)

            	
              We
                are an Institutional Accredited Investor and we are acquiring the
                Restricted Certificates purchased by us for our own account or for
                one or
                more accounts (each of which is an Institutional Accredited Investor)
                as
                to each of which we exercise sole investment
                discretion.

            

    

     

    
      	
              (5)

            	
              We
                have received such information as we deem necessary in order to make
                our
                investment decision.

            

    

     

    
      	
              (6)

            	
              If
                we are acquiring ERISA-Restricted Certificates, we understand that
                in
                accordance with ERISA, the Code and the Exemption, no Plan and no
                person
                acting on behalf of such a Plan may acquire such Certificate except
                in
                accordance with Section 3.03(d) of the Trust
                Agreement.

            

    

     

    Terms
      used in this letter which are not otherwise defined herein have the respective
      meanings assigned thereto in the Trust Agreement.

     

    
      
        
        

      

      
        G-2

        
          

        

      

      
        
        

      

    

    The
      Certificate Registrar and the Depositor are entitled to rely upon this letter
      and are irrevocably authorized to produce this letter or a copy hereof to any
      interested party in any administrative or legal proceeding or official inquiry
      with respect to the matters covered hereby.

     

    Very
      truly yours,

     

    __________________________________

    [Purchaser]

     

    By________________________________

    Name:
      

    Title:

     

    
      
        
        

      

      
        G-3

        
          

        

      

      
        
        

      

    

    EXHIBIT
      H

     

    FORM
      OF
      ERISA TRANSFER AFFIDAVIT

     

    
       

      
        
          	
                  STATE
                    OF

                	
                  )

                
	 	
                  )
                    ss.:

                
	
                  COUNTY
                    OF

                	
                  )

                

        

      

       

    

    The
      undersigned, being first duly sworn, deposes and says as follows:

     

    1. The
      undersigned is the ______________________ of (the “Investor”), a [corporation
      duly organized] and existing under the laws of __________, on behalf of which
      he
      makes this affidavit.

     

    2. In
      the case of an ERISA-Restricted Certificate, the
      Investor either (x) is not, and on ___________ [date of transfer] will not
      be,
      an employee benefit plan or other retirement arrangement subject to Section
      406
      of the Employee Retirement Income Security Act of 1974, as amended (“ERISA”), or
      Section 4975 of the Internal Revenue Code of 1986, as amended (the “Code”),
      (collectively, a “Plan”) or a person acting on behalf of any such Plan or
      investing the assets of any such Plan; (y) if the Certificate has been the
      subject of an ERISA-Qualifying Underwriting, is an insurance company that is
      purchasing the Certificate with funds contained in an “insurance company general
      account” as defined in Section V(e) of Prohibited Transaction Class Exemption
      (“PTCE”) 95-60 and the purchase and holding of the Certificate are covered under
      Sections I and III of PTCE 95-60; or (z) herewith delivers to the Certificate
      Registrar an opinion of counsel satisfactory to the Certificate Registrar,
      and
      upon which the Trustee, the Certificate Registrar, the Master Servicer and
      the
      Depositor shall be entitled to rely, to the effect that the purchase or holding
      of such Certificate by the Investor will not result in any non-exempt prohibited
      transactions under Title I of ERISA or Section 4975 of the Code and will not
      subject the Trustee, the Depositor, the Certificate Registrar or the Master
      Servicer to any obligation in addition to those undertaken by such entities
      in
      the Trust Agreement, which opinion of counsel shall not be an expense of the
      Trust Fund or any of the above parties.

     

    3. In
      the
      case of an ERISA-Restricted Trust Certificate, prior to the termination of
      the
      related Cap Agreement, either (i) the Investor is neither a Plan nor a person
      acting on behalf of any such Plan or using the assets of any such Plan to effect
      such transfer or (ii) the acquisition and holding of the ERISA-Restricted Trust
      Certificate are eligible for exemptive relief under the statutory exemption
      for
      nonfiduciary service providers under Section 408(b)(17) of ERISA and Section
      4975(d)(20) of the Code, PTCE 84-14, PTCE 90-1, PTCE 91-38, PTCE 95-60 or PTCE
      96-23 or some other applicable exemption.

     

    4. The
      Investor hereby acknowledges that under the terms of the
      Trust Agreement dated as of November 1, 2007, (the “Agreement”), among
      Structured Asset Securities Corporation, as Depositor, Aurora Loan Services
      LLC,
      as Master Servicer, Wells Fargo Bank, N.A., as Securities Administrator and
      U.S.
      Bank National Association, as Trustee,
      no
      transfer of the ERISA-Restricted Certificates shall be permitted to be made
      to
      any person unless the Depositor and Certificate Registrar have received a
      certificate from such transferee in the form hereof.

     

    
      
        
        

      

      
        H-1

        
          

        

      

      
        
        

      

    

     

    IN
      WITNESS WHEREOF, the Investor has caused this instrument to be executed on
      its
      behalf, pursuant to proper authority, by its duly authorized officer, duly
      attested, this ____ day of _______________, 20__.

     

    ________________________________________

    [Investor]

     

    By:_____________________________________

    Name:

    Title:

     

    ATTEST:

     

    ___________________________

     

    
      
         

        
          
            	
                    STATE
                      OF

                  	
                    )

                  
	 	
                    )
                      ss.:

                  
	
                    COUNTY
                      OF

                  	
                    )

                  

          

        

         

      

    

    Personally
      appeared before me the above-named ___________________, known or proved to
      me to
      be the same person who executed the foregoing instrument and to be the
      _________________ of the Investor, and acknowledged that he executed the same
      as
      his free act and deed and the free act and deed of the Investor.

     

    Subscribed
      and sworn before me this _____ day of ___________ 20___.

     

    __________________________________

    NOTARY
      PUBLIC

     

    My
      commission expires the

    ____
      day
      of __________, 20__.

     

    
      
        
        

      

      
        H-2

        
          

        

      

      
        
        

      

    

    EXHIBIT
      I

     

    TRANSACTION
      PARTIES

     

    Depositor:    Structured
      Asset Securities Corporation

    

    Trustee:    U.S.
      Bank National Association

    

    Securities
      Administrator:    Wells
      Fargo Bank, N.A.

    

    Master
      Servicer:    Aurora
      Loan Services LLC

    

    Credit
      Risk Manager: N/A

    

    PMI
      Insurer(s): N/A

    

    Interest
      Rate Swap Counterparty: N/A

    

    Interest
      Rate Cap Counterparty: N/A

    

    Servicer(s):
      Aurora Loan Services LLC, IndyMac Bank, F.S.B., PHH Mortgage Corporation,
      National City Mortgage Co., Midwest Loan Services, Inc., Wells Fargo Bank,
      N.A.,
      Colonial Savings, F.A. and GreenPoint Mortgage Funding, Inc.

    

    Primary
      Originator(s): Lehman Brothers Bank, FSB and American Home Mortgage
      Corp.

     

    Custodian(s):
      LaSalle Bank National Association, Deutsche Bank National Trust Company, U.S.
      Bank National Association and Wells Fargo Bank, N.A. 

    

    Sponsor
      and Seller: Lehman Brothers Holdings, Inc.

     

    
      
        
        

      

      
        I-1

        
          

        

      

      
        
        

      

       

    

    EXHIBIT
      J

     

    [Reserved]

     

    
      
        
        

      

      
        J-1

        
          

        

      

      
        
        

      

    

    EXHIBIT
      K

     

    CUSTODIAL
      AGREEMENTS

     

    
      	
              1.

            	
              Custodial
                Agreement dated as of November 1, 2007, between U.S. Bank National
                Association, as custodian, and U.S. Bank National Association (“U.S.
                Bank”), as trustee, acknowledged by Structured Asset Securities
                Corporation (“SASCO”), as depositor, Aurora Loan Services LLC (“Aurora”),
                as servicer, and master servicer, GreenPoint Mortgage Funding, Inc.,
                as
                servicer, National City Mortgage Co., as servicer, PHH Mortgage
                Corporation, as servicer and Wells Fargo Bank, N.A., as
                servicer

            

    

     

    
      	
              2.

            	
              Custodial
                Agreement dated as of November 1, 2007, between LaSalle Bank National
                Association, as custodian, and U.S. Bank, as trustee, acknowledged
                by
                SASCO, as depositor Aurora, as master servicer and servicer, Colonial
                Savings, F.A., as servicer and Midwest Loan Services, Inc., as
                servicer

            

    

     

    
      	
              3.

            	
              Custodial
                Agreement dated as of November 1, 2007, between Wells Fargo Bank,
                N.A., as
                custodian, and U.S. Bank, as trustee, acknowledged by SASCO, as depositor,
                Aurora, as master servicer and servicer, PHH Mortgage Corporation,
                as
                servicer and Wells Fargo Bank, N.A., as
                servicer

            

    

     

    
      	
              4.

            	
              Custodial
                Agreement dated as of November 1, 2007, between Deutsche Bank National
                Trust Company, as custodian, and U.S. Bank, as trustee, acknowledged
                by
                SASCO, as depositor, Aurora, as master servicer and servicer and
                IndyMac
                Bank, F.S.B., as servicer

            

    

     

     

    
      
        
        

      

      
        K-1

        
          

        

      

      
        
        

      

       

    

    EXHIBIT
      L-1

    

    
      	
              ADDITIONAL
                FORM 10-D DISCLOSURE

            
	
              Item
                on Form 10-D

            	
              Party
                Responsible 

            

    

    
      	
              Item
                1: Distribution and Pool Performance Information

               

            	 
	
              Information
                included in the Distribution Date Statement

            	
              Servicer(1)

              Master
                Servicer

              Securities
                Administrator

            
	
              Any
                information required by 1121 which is NOT included on the Distribution
                Date Statement

            	
              Depositor

            
	
              Item
                2: Legal Proceedings

               

              Any
                legal proceeding pending against the following entities or their
                respective property, that is material to Certificateholders, including
                any
                proceedings known to be contemplated by governmental
                authorities:

            	 
	
              ▪
                Issuing Entity (Trust Fund)

            	
              Trustee,
                Master Servicer, Securities Administrator and Depositor

            
	
              ▪
                Sponsor (Seller)

            	
              Seller
                (if a party to the Trust Agreement) or Depositor

            
	
              ▪
                Depositor

            	
              Depositor

            
	
              ▪
                Trustee

            	
              Trustee

            
	
              ▪
                Securities Administrator

            	
              Securities
                Administrator

            
	
              ▪
                Master Servicer

            	
              Master
                Servicer

            
	
              ▪
                Custodian

            	
              Custodian(2)

            
	
              ▪
                1110(b) Originator

            	
              Depositor

            
	
              ▪
                Any 1108(a)(2) Servicer (other than the Master Servicer or Securities
                Administrator)

            	
              Servicer(1)

            
	
              ▪
                Any other party contemplated by 1100(d)(1)

            	
              Depositor

            
	
              Item
                3: Sale of Securities and Use of Proceeds

              Information
                from Item 2(a) of Part II of Form 10-Q:

               

              With
                respect to any sale of securities by the sponsor, depositor or issuing
                entity, that are backed by the same asset pool or are otherwise issued
                by
                the issuing entity, whether or not registered, provide the sales
                and use
                of proceeds information in Item 701 of Regulation S-K. Pricing information
                can be omitted if securities were not registered.

            	
              Depositor

            

    

     

    
      
        
        

      

      
        L-1-1

        
          

        

      

      
        
        

      

    

     

    
      
        	
                ADDITIONAL
                  FORM 10-D DISCLOSURE

              
	
                Item
                  on Form 10-D

              	
                Party
                  Responsible 

              

      

    

    
      	
              Item
                4: Defaults Upon Senior Securities

               

              Information
                from Item 3 of Part II of Form 10-Q:

               

              Report
                the occurrence of any Event of Default (after expiration of any grace
                period and provision of any required notice)

            	
              Securities
                Administrator

              Trustee
                (with respect to the Trustee, to the extent a Responsible Officer
                has
                actual knowledge thereof)

            
	
              Item
                5: Submission of Matters to a Vote of Security
                Holders

               

              Information
                from Item 4 of Part II of Form 10-Q

            	
              
                Trustee
                  (with respect to the Trustee, to the extent a Responsible Officer
                  has
                  actual knowledge thereof) 

                Securities
                  Administrator

              

            
	
              Item
                6: Significant Obligors of Pool Assets

               

              Item
                1112(b) - Significant
                Obligor Financial Information*

            	
              Depositor

            
	
              *This
                information need only be reported on the Form 10-D for the distribution
                period in which updated information is required pursuant to the
                Item.

            	 
	
              Item
                7: Significant Enhancement Provider Information

               

              Item
                1114(b)(2) - Credit Enhancement Provider Financial
                Information*

            	 
	
              ▪
                Determining applicable disclosure threshold

            	
              Depositor

            
	
              ▪
                Requesting required financial information (including any required
                accountants’ consent to the use thereof) or effecting incorporation by
                reference

            	
              Depositor

            
	
              Item
                1115(b) - Derivative Counterparty Financial
                Information*

            	 
	
              ▪
                Determining current maximum probable exposure

            	
              Depositor

            
	
              ▪
                Determining current significance percentage

            	
              Depositor

            
	
              ▪
                Requesting required financial information (including any required
                accountants’ consent to the use thereof) or effecting incorporation by
                reference

            	
              Depositor

            
	
              *This
                information need only be reported on the Form 10-D for the distribution
                period in which updated information is required pursuant to the
                Items.

            	 
	
              Item
                8: Other Information

               

              Disclose
                any information required to be reported on Form 8-K during the period
                covered by the Form 10-D but not reported

            	
               Any
                party responsible for the applicable Form 8-K Disclosure
                item

            

    

     

    
      
        
        

      

      
        L-1-2

        
          

        

      

      
        
        

      

    

    
       

      
        
          	
                  ADDITIONAL
                    FORM 10-D DISCLOSURE

                
	
                  Item
                    on Form 10-D

                	
                  Party
                    Responsible 

                

        

      

    

    
      	
              Item
                9: Exhibits

            	 
	
              Monthly
                Statement to Certificateholders

            	
              Securities
                Administrator

            
	
              Exhibits
                required by Item 601 of Regulation S-K, such as material
                agreements

            	
              Depositor

            

    

    _______________________

    (1) 
This
      information to be provided pursuant to the applicable Servicing
      Agreement.

    (2)     
      This
      information to be provided pursuant to the applicable Custodial
      Agreement.

    

    
      
        
        

      

      
        L-1-3

        
          

        

      

      
        
        

      

    

    EXHIBIT
      L-2

    

    
      	
              ADDITIONAL
                FORM 10-K DISCLOSURE

            
	
              Item
                on Form 10-K

            	
              Party
                Responsible 

            

    

    
      	
              Item
                1B: Unresolved Staff Comments

               

            	
              Depositor

            
	
              Item
                9B: Other Information

              Disclose
                any information required to be reported on Form 8-K during the fourth
                quarter covered by the Form 10-K but not reported

            	
              Any
                party responsible for disclosure items on Form 8-K

            
	
              Item
                15: Exhibits, Financial Statement Schedules

            	
              Securities
                Administrator

              Depositor

            
	
              Reg
                AB Item 1112(b): Significant Obligors of Pool
                Assets

            	 
	
              Significant
                Obligor Financial Information*

            	
              Depositor

            
	
              *This
                information need only be reported on the Form 10-D for the distribution
                period in which updated information is required pursuant to the
                Item.

            	 
	
              Reg
                AB Item 1114(b)(2): Credit Enhancement Provider Financial
                Information

            	 
	
              ▪
                Determining applicable disclosure threshold

            	
              Depositor

            
	
              ▪
                Requesting required financial information (including any required
                accountants’ consent to the use thereof) or effecting incorporation by
                reference

            	
              Depositor

            
	
              *This
                information need only be reported on the Form 10-D for the distribution
                period in which updated information is required pursuant to the
                Items.

            	 
	
              Reg
                AB Item 1115(b): Derivative Counterparty Financial
                Information

            	 
	
              ▪
                Determining current maximum probable exposure

            	
              Depositor

            
	
              ▪
                Determining current significance percentage

            	
              Depositor

            
	
              ▪
                Requesting required financial information (including any required
                accountants’ consent to the use thereof) or effecting incorporation by
                reference

            	
              Depositor

            
	
              *This
                information need only be reported on the Form 10-D for the distribution
                period in which updated information is required pursuant to the
                Items.

            	 
	
              Reg
                AB Item 1117: Legal Proceedings

               

              Any
                legal proceeding pending against the following entities or their
                respective property, that is material to Certificateholders, including
                any
                proceedings known to be contemplated by governmental
                authorities:

            	 

    

     

    
      
        
        

      

      
        L-2-1

        
          

        

      

      
        
        

      

    

    
      

      
        	
                ADDITIONAL
                  FORM 10-K DISCLOSURE

              
	
                Item
                  on Form 10-K

              	
                Party
                  Responsible 

              

      

    

    
      	
              ▪
                Issuing Entity (Trust Fund)

            	
              Trustee,
                Master Servicer, Securities Administrator and Depositor

            
	
              ▪
                Sponsor (Seller)

            	
              Seller
                (if a party to the Trust Agreement) or Depositor

            
	
              ▪
                Depositor

            	
              Depositor

            
	
              ▪
                Trustee

            	
              Trustee

            
	
              ▪
                Securities Administrator

            	
              Securities
                Administrator

            
	
              ▪
                Master Servicer

            	
              Master
                Servicer

            
	
              ▪
                Custodian

            	
              Custodian(1)

            
	
              ▪
                1110(b) Originator

            	
              Depositor

            
	
              ▪
                Any 1108(a)(2) Servicer (other than the Master Servicer or Securities
                Administrator)

            	
              Servicer(2)

            
	
              ▪
                Any other party contemplated by 1100(d)(1)

            	
              Depositor

            
	
              Reg
                AB Item 1119: Affiliations and Relationships

            	 
	
              Whether
                (a) the Sponsor (Seller), Depositor or Issuing Entity is an affiliate
                of
                the following parties, and (b) to the extent known and material,
                any of
                the following parties are affiliated with one another:

            	
              Depositor
                as to (a) 

            
	
              ▪
                Master Servicer

            	
              Master
                Servicer 

            
	
              ▪
                Securities Administrator

            	
              Securities
                Administrator

            

    

     

    
      
        
        

      

      
        L-2-2

        
          

        

      

      
        
        

      

    

     

    
      
        	
                ADDITIONAL
                  FORM 10-K DISCLOSURE

              
	
                Item
                  on Form 10-K

              	
                Party
                  Responsible 

              

      

    

    
      	
              ▪
                Trustee

            	
              Trustee

            
	
              ▪
                Any other 1108(a)(3) servicer

            	
              Servicer(2)

            
	
              ▪
                Any 1110 Originator

            	
              Depositor

            
	
              ▪
                Any 1112(b) Significant Obligor

            	
              Depositor

            
	
              ▪
                Any 1114 Credit Enhancement Provider

            	
              Depositor

            
	
              ▪
                Any 1115 Derivate Counterparty Provider

            	
              Depositor

            
	
              ▪
                Any other 1101(d)(1) material party

            	
              Depositor

            
	
              Whether
                there are any “outside the ordinary course business arrangements” other
                than would be obtained in an arm’s length transaction between (a) the
                Sponsor (Seller), Depositor or Issuing Entity on the one hand, and
                (b) any
                of the following parties (or their affiliates) on the other hand,
                that
                exist currently or within the past two years and that are material
                to a
                Certificateholder’s understanding of the Certificates:

            	
              Depositor
                as to (a) 

            
	
              ▪
                Master Servicer

            	
              Master
                Servicer 

            
	
              ▪
                Securities Administrator

            	
              Securities
                Administrator

            
	
              ▪
                Trustee

            	
              Depositor

            
	
              ▪
                Any other 1108(a)(3) servicer

            	
              Servicer(2)

            
	
              ▪
                Any 1110 Originator

            	
              Depositor

            
	
              ▪
                Any 1112(b) Significant Obligor

            	
              Depositor

            
	
              ▪
                Any 1114 Credit Enhancement Provider

            	
              Depositor

            
	
              ▪
                Any 1115 Derivate Counterparty Provider

            	
              Depositor

            
	
              ▪
                Any other 1101(d)(1) material party

            	
              Depositor

            
	
              Whether
                there are any specific relationships involving the transaction or
                the pool
                assets between (a) the Sponsor (Seller), Depositor or Issuing Entity
                on
                the one hand, and (b) any of the following parties (or their affiliates)
                on the other hand, that exist currently or within the past two years
                and
                that are material:

            	
              Depositor
                as to (a) 

            
	
              ▪
                Master Servicer

            	
              Master
                Servicer 

            
	
              ▪
                Securities Administrator

            	
              Securities
                Administrator

            
	
              ▪
                Trustee

            	
              Trustee

            
	
              ▪
                Any other 1108(a)(3) servicer

            	
              Servicer(2)

            
	
              ▪
                Any 1110 Originator

            	
              Depositor

            
	
              ▪
                Any 1112(b) Significant Obligor

            	
              Depositor

            
	
              ▪
                Any 1114 Credit Enhancement Provider

            	
              Depositor

            
	
              ▪
                Any 1115 Derivate Counterparty Provider

            	
              Depositor

            
	
              ▪
                Any other 1101(d)(1) material party

            	
              Depositor

            

    

     

    (1)  This
      information to be provided pursuant to the applicable Custodial
      Agreement.

    (2)  This
      information to be provided pursuant to the applicable Servicing
      Agreement.

    

    
      
        
        

      

      
        L-2-3

        
          

        

      

      
        
        

      

    

    EXHIBIT
      L-3

    

    
      	
              FORM
                8-K DISCLOSURE INFORMATION

            
	
              Item
                on Form 8-K

            	
              Party
                Responsible 

            

    

    
      	
              Item
                1.01- Entry into a Material Definitive Agreement

               

              Disclosure
                is required regarding entry into or amendment of any definitive agreement
                that is material to the securitization, even if depositor is not
                a party.
                

               

              Examples:
                servicing agreement, custodial agreement.

               

              Note:
                disclosure not required as to definitive agreements that are fully
                disclosed in the prospectus

            	
              All
                parties (with respect to any agreement entered into by such
                party)

            
	
              Item
                1.02- Termination of a Material Definitive Agreement

               

              Disclosure
                is required regarding termination of any definitive agreement that
                is
                material to the securitization (other than expiration in accordance
                with
                its terms), even if depositor is not a party. 

               

              Examples:
                servicing agreement, custodial agreement.

            	
              All
                parties (with respect to any agreement entered into by such
                party)

            
	
              Item
                1.03- Bankruptcy or Receivership

               

              Disclosure
                is required regarding the bankruptcy or receivership, with respect
                to any
                of the following: 

            	
              Depositor

            
	
              ▪
                Sponsor (Seller)

            	
              Depositor/Sponsor
                (Seller)

            
	
              ▪
                Depositor

            	
              Depositor

            
	
              ▪
                Master Servicer

            	
              Master
                Servicer

            
	
              ▪
                Affiliated Servicer

            	
              Servicer(1)

            
	
              ▪
                Other Servicer servicing 20% or more of the pool assets at the time
                of the
                report

            	
              Servicer(1)

            
	
              ▪
                Other material servicers

            	
              Servicer(1)

            
	
              ▪
                Trustee

            	
              Trustee

            
	
              ▪
                Securities Administrator

            	
              Securities
                Administrator

            
	
              ▪
                Significant Obligor

            	
              Depositor

            
	
              ▪
                Credit Enhancer (10% or more)

            	
              Depositor

            
	
              ▪
                Derivative Counterparty

            	
              Depositor

            
	
              ▪
                Custodian

            	
              Custodian(2)

            
	
              Item
                2.04- Triggering Events that Accelerate or Increase a Direct Financial
                Obligation or an Obligation under an Off-Balance Sheet
                Arrangement

               

              Includes
                an early amortization, performance trigger or other event, including
                event
                of default, that would materially alter the payment priority/distribution
                of cash flows/amortization schedule.

               

              Disclosure
                will be made of events other than waterfall triggers which are disclosed
                in the monthly statements to the certificateholders.

            	
              Depositor

              Master
                Servicer/Securities Administrator/

              Depositor

            

    

     

    
      
        
        

      

      
        L-3-1

        
          

        

      

      
        
        

      

    

    
      

      
        	
                FORM
                  8-K DISCLOSURE INFORMATION

              
	
                Item
                  on Form 8-K

              	
                Party
                  Responsible 

              

      

    

    
      	
              Item
                3.03- Material Modification to Rights of Security
                Holders

               

              Disclosure
                is required of any material modification to documents defining the
                rights
                of Certificateholders, including the Trust Agreement.

            	
              Securities
                Administrator/Trustee/Depositor

              (with
                respect to any agreement entered into by such party)

            
	
              Item
                5.03- Amendments of Articles of Incorporation or Bylaws; Change of
                Fiscal
                Year

              Disclosure
                is required of any amendment “to the governing documents of the issuing
                entity”.

            	
              Depositor

            
	
              Item
                6.01- ABS Informational and Computational
                Material

            	
              Depositor

            
	
              Item
                6.02- Change of Servicer or Securities Administrator

               

              Requires
                disclosure of any removal, replacement, substitution or addition
                of any
                master servicer, affiliated servicer, other servicer servicing 10%
                or more
                of pool assets at time of report, other material servicers or
                trustee.

            	
              Master
                Servicer/Securities Administrator/Depositor/

              Servicer(1)/Trustee
                (as to itself)

            
	
              Reg
                AB disclosure about any new servicer or master servicer is also
                required.

            	
              Servicer(1)/Master
                Servicer/Depositor

            
	
              Reg
                AB disclosure about any new Trustee is also required.

            	
              Successor
                Trustee

            
	
              Item
                6.03- Change in Credit Enhancement or External
                Support

              Covers
                termination of any enhancement in manner other than by its terms,
                the
                addition of an enhancement, or a material change in the enhancement
                provided. Applies to external credit enhancements as well as derivatives.
                

            	
              Depositor/Securities
                Administrator/Trustee

            

    

     

    
      
        
        

      

      
        L-3-2

        
          

        

      

      
        
        

      

    

    
      

      
        	
                FORM
                  8-K DISCLOSURE INFORMATION

              
	
                Item
                  on Form 8-K

              	
                Party
                  Responsible 

              

      

    

    
      	
              Reg
                AB disclosure about any new enhancement provider is also
                required.

            	
              Depositor

            
	
              Item
                6.04- Failure to Make a Required Distribution

            	
              Securities
                Administrator

              Trustee

            
	
              Item
                6.05- Securities Act Updating Disclosure

               

              If
                any material pool characteristic differs by 5% or more at the time
                of
                issuance of the securities from the description in the final prospectus,
                provide updated Reg AB disclosure about the actual asset
                pool.

            	
              Depositor

            
	
              If
                there are any new servicers or originators required to be disclosed
                under
                Regulation AB as a result of the foregoing, provide the information
                called
                for in Items 1108 and 1110 respectively.

            	
              Depositor

            
	
              Item
                7.01- Reg FD Disclosure

            	
              All
                parties

            
	
              Item
                8.01- Other Events

               

              Any
                event, with respect to which information is not otherwise called
                for in
                Form 8-K, that the registrant deems of importance to
                certificateholders.

            	
              Depositor

            
	
              Item
                9.01- Financial Statements and Exhibits

            	
              Responsible
                party for reporting/disclosing the financial statement or
                exhibit

            

    

     

    (1)  This
      information to be provided pursuant to the applicable Servicing
      Agreement.

    (2)  This
      information to be provided pursuant to the applicable Custodial
      Agreement.

     

    
      
        
        

      

      
        L-3-3

        
          

        

      

      
        
        

      

    

     

    EXHIBIT
      L-4

     

    ADDITIONAL
      DISCLOSURE NOTIFICATION

    

    Wells
      Fargo Bank, N.A., as Securities Administrator

    9062
      Old Annapolis Road

    Columbia,
      Maryland 21045

    Attention:
      Client Services Manager, LMT 2007-10 -
      SEC
      Report Processing 

    

    RE: 
      **Additional Form [10-D][10-K][8-K] Disclosure** Required

     

    Ladies
      and Gentlemen:

     

    In
      accordance with Section [ ] of the Trust Agreement, dated as of November
      1, 2007,
      by and
      among Structured Asset Securities Corporation, as Depositor, Aurora Loan
      Services LLC, as Master Servicer, U.S. Bank National Association, as Trustee
      and
      Wells Fargo Bank, N.A., as Securities Administrator, the undersigned, as [
      ],
      hereby notifies you that certain events have come to our attention that [will]
      [may] need to be disclosed on Form [10-D][10-K][8-K].

     

    Description
      of Additional Form [10-D][10-K][8-K] Disclosure:

     

    

     

    

     

    

     

    List
      of any Attachments hereto to be included in the Additional Form
      [10-D][10-K][8-K] Disclosure:

     

    

     

    

     

    

     

    Any
      inquiries related to this notification should be directed to [ ], phone number:
      [ ]; email address: [ ]. 

     

    [NAME
      OF
      PARTY],

    as
      [role]

     

    By:                                       
       

        Name:

    Title:

     

    
      
        
        

      

      
        L-4-1

        
          

        

      

      
        
        

      

    

    
      	cc:	
              Structured
                Asset Securities Corporation

              
                745
                  Seventh Avenue, 13th Floor

                New
                  York, New York 10019

                Attention:
                  Mortgage Finance, LMT 2007-10

              

            

    

    

    

 

    
      
        
        

      

      
        L-4-2

        
          

        

      

      
        
        

      

       

    

    EXHIBIT
      M

     

    MONTHLY
      ELECTRONIC DATA TRANSMISSION

     

    

    
      
        
        

      

      
        M-1

        
          

        

      

      
        
        

      

    

    EXHIBIT
      N-1

     

    FORM
      OF TRANSFER CERTIFICATE FOR TRANSFER 

    FROM
      RESTRICTED GLOBAL SECURITY TO REGULATION S 

    GLOBAL
      SECURITY PURSUANT TO SECTION 3.03(h)(B)

    

     

    
      	 	
              Re:

            	
              Lehman
                Mortgage Loan Trust,

              Mortgage
                Pass-Through Certificates, Series
                2007-10

            

    

     

    Reference
      is hereby made to the Trust
      Agreement dated as of November 1, 2007, (the “Agreement”), among Structured
      Asset Securities Corporation, as Depositor, Aurora Loan Services LLC, as Master
      Servicer, Wells Fargo Bank, N.A., as Securities Administrator and U.S. Bank
      National Association, as Trustee.
      Capitalized terms used but not defined herein shall have the meanings given
      to
      them in the Agreement.

     

    This
      letter relates to U.S. $                            aggregate
      principal amount of Securities which are held in the form of a Restricted Global
      Security with DTC in the name of [name of transferor]                                                       
      (the
“Transferor”) to effect the transfer of the Securities in exchange for an
      equivalent beneficial interest in a Regulation S Global Security.

     

    In
      connection with such request, the Transferor does hereby certify that such
      transfer has been effected in accordance with the transfer restrictions set
      forth in the Agreement and the Securities and in accordance with Rule 904 of
      Regulation S, and that:

     

    a. the
      offer
      of the Securities was not made to a person in the United States; 

     

    b. at
      the
      time the buy order was originated, the transferee was outside the United States
      or the Transferor and any person acting on its behalf reasonably believed that
      the transferee was outside the United States;

     

    c. no
      directed selling efforts have been made in contravention of the requirements
      of
      Rule 903 or 904 of Regulation S, as applicable;

     

    d. the
      transaction is not part of a plan or scheme to evade the registration
      requirements of the United States Securities Act of 1933, as amended;
      and

     

    e.
      the
      transferee is not a U.S. person (as
      defined in Regulation S).

     

    The
      Certificate Registrar is entitled to rely upon this letter and is irrevocably
      authorized to produce this letter or a copy hereof to any interested party
      in
      any administrative or legal proceedings or official inquiry with respect to
      the
      matters covered hereby. Terms used in this certificate have the meanings set
      forth in Regulation S.

     

    
      
        
        

      

      
        N-1-1

        
          

        

      

      
        
        

      

    

                                                                
      

    [Name
      of Transferor]

    

    

    By:
                                                              

    Name:

    Title:

     

    Date:                                   ,
            

    

    

    
      
        
        

      

      
        N-1-2

        
          

        

      

      
        
        

      

    

    EXHIBIT
      N-2

     

    FORM
      OF TRANSFER CERTIFICATE FOR TRANSFER 

    FROM
      REGULATION S GLOBAL SECURITY TO 

    RESTRICTED
      GLOBAL SECURITY PURSUANT TO SECTION 3.03(h)(C)

     

    
      	
            	Re:	
              Lehman
                Mortgage Trust Mortgage Pass-Through Certificates, Series
                2007-10

            

    

     

    Reference
      is hereby made to the Trust
      Agreement dated as of November 1, 2007, (the “Agreement”), among Structured
      Asset Securities Corporation, as Depositor, Aurora Loan Services LLC, as Master
      Servicer, Wells Fargo Bank, N.A., as Securities Administrator and U.S. Bank
      National Association, as Trustee.
      Capitalized terms used but not defined herein shall have the meanings given
      to
      them in the Agreement.

     

    This
      letter relates to U.S. $                            aggregate
      principal amount of Securities which are held in the form of a Regulations
      S
      Global Security in the name of [name of transferor]                                                       (the
      “Transferor”) to effect the transfer of the Securities in exchange for an
      equivalent beneficial interest in a Restricted Global Security.

     

    In
      connection with such request, and in respect of such Securities, the Transferor
      does hereby certify that such Securities are being transferred in accordance
      with (i) the transfer restrictions set forth in the Agreement and the Securities
      and (ii) Rule 144A under the United States Securities Act of 1933, as amended,
      to a transferee that the Transferor reasonably believes is purchasing the
      Securities for its own account or an account with respect to which the
      transferee exercises sole investment discretion, the transferee and any such
      account is a qualified institutional buyer within the meaning of Rule 144A,
      in a
      transaction meeting the requirements of Rule 144A and in accordance with any
      applicable securities laws of any state of the United States or any other
      jurisdiction.

     

    The
      Certificate Registrar is entitled to rely upon this letter and is irrevocably
      authorized to produce this letter or a copy hereof to any interested party
      in
      any administrative or legal proceedings or official inquiry with respect to
      the
      matters covered hereby.

     

                                                                
      

    [Name
      of Transferor]

    

    By:                                                        

    Name:

    Title:

     

    Date:                                     ,
            

     

    

    
      
        
        

      

      
        N-2-1

        
          

        

      

      
        
        

      

    

    EXHIBIT
      O

     

    SENIOR
      PRINCIPAL PRIORITIES

     

    To
      the
      Senior Certificates related to a Collateral Group (other than any related
      Interest-Only Certificates), to the extent of the remaining Available
      Distribution Amount for the related Collateral Group, in reduction of their
      Class Principal Amounts, concurrently, as follows:

    

    (i) to
      the
      Class AP1 Certificates, from the Available Distribution Amount for Collateral
      Group PO1, in an amount up to the related AP Principal Distribution Amount,
      until the Class Principal Amount thereof has been reduced to zero;

     

    (ii) to
      the
      Class AP2 Certificates, from the Available Distribution Amount for Collateral
      Group PO2, in an amount up to the related AP Principal Distribution Amount,
      until the Class Principal Amount thereof has been reduced to zero;

     

    (iii) to
      the
      Class AP3 Certificates, from the Available Distribution Amount for Collateral
      Group PO3, in an amount up to the related AP Principal Distribution Amount,
      until the Class Principal Amount thereof has been reduced to zero

     

    (iv) to
      the
      Class R, Class 1-A1 and Class 1-A2 Certificates, from the Available Distribution
      Amount for Collateral Group 1, in an amount up to the Senior Principal
      Distribution Amount for Collateral Group 1, sequentially, in the following
      order
      of priority:

     

    (A) to
      the
      Class R Certificates, until the Class Principal Amount thereof has been reduced
      to zero; and

     

    (B) pro
      rata,
      to the
      Class 1-A1 and Class 1-A2 Certificates, until the Class Principal Amount thereof
      has been reduced to zero.

     

    (v) pro
      rata,
      to the
      Class 2-A2, Class 2-A3, Class 2-A4, Class 2-A9 and Class 2-A11 Certificates,
      based on their respective Class Principal Amounts, from the Available
      Distribution Amount for Collateral Group 2, in an amount up to the Senior
      Principal Distribution Amount for Collateral Group 2, until the Class Principal
      Amount of each such Class has been reduced to zero;

     

    (vi)  pro
      rata,
      to the
      Class 3-A3, Class 3-A4, Class 3-A5, Class 3-A6, Class 3-A10 and Class 3-A12
      Certificates, based on their respective Class Principal Amounts, from the sum
      of
      the Available Distribution Amount for Collateral Groups 3A and 3B, in an amount
      up to the sum of the Senior Principal Distribution Amount for Collateral Groups
      3A and 3B, until the Class Principal Amount of each such Class has been reduced
      to zero; and

     

    
      
        
        

      

      
        O-1

        
          

        

      

      
        
        

      

       

    

    (vii) pro
      rata,
      to the
      Class 4-A2, Class 4-A3 and Class 4-A4 Certificates, based on their respective
      Class Prinicpal Amounts, from the Available Distribution Amount for Collateral
      Group 4, in an amount up to the Senior Principal Distribution Amount for
      Collateral Group 4, until the Class Principal Amount thereof has been reduced
      to
      zero.

     

    
      
        
        

      

      
        O-2

        
          

        

      

      
        
        

      

       

    

    EXHIBIT
      P

     

    FORM
      OF BACK-UP CERTIFICATION

     

    Structured
      Asset Securities Corporation

    745
      Seventh Avenue, 13th Floor

    New
      York,
      New York 10019

    Attention:
      Mortgage Finance, LMT 2007-10

    

    Aurora
      Loan Services LLC

    10350
      Park Meadows Drive

    Littleton,
      Colorado 80124

     

    
      	
            	Re:	
              Lehman
                Mortgage Trust

              
                Mortgage
                  Pass-Through Certificates, Series
                  2007-10

              

            

    

    

    The
      Securities Administrator hereby certifies to the Depositor and the Master
      Servicer, and their respective officers, directors and affiliates, and with
      the
      knowledge and intent that they will rely upon this certification,
      that:

     

    (1) I
      have
      reviewed the annual report on Form 10-K for the fiscal year [____] (the “Annual
      Report”), and all reports on Form 10-D required to be filed in respect of period
      covered by the Annual Report (collectively with the Annual Report, the
“Reports”), of the Trust;

     

    (2) To
      my
      knowledge, (a)
      the
      Reports, taken as a whole, do not contain any untrue statement of a material
      fact or omit to state a material fact necessary to make the statements made,
      in
      light of the circumstances under which such statements were made, not misleading
      with respect to the period covered by the Annual Report,
      and (b)
      the Securities Administrator’s assessment of compliance and related attestation
      report referred to below, taken as a whole, do not contain any untrue statement
      of a material fact or omit to state a material fact necessary to make the
      statements made, in light of the circumstances under which such statements
      were
      made, not misleading with respect to the period covered by such assessment
      of
      compliance and attestation report;

     

    (3) To
      my
      knowledge, the distribution information required to be provided by the
      Securities Administrator under the Trust Agreement for inclusion in the Reports
      is included in the Reports;

     

    (4) I
      am
      responsible for reviewing the activities performed by the Securities
      Administrator under the Trust Agreement, and based on my knowledge and the
      compliance review conducted in preparing the assessment of compliance of the
      Securities Administrator required by the Trust Agreement, and except as
      disclosed in the Reports, the Securities Administrator has fulfilled its
      obligations under the Trust Agreement in all material respects; and

     

    (5) The
      report on assessment of compliance with servicing criteria applicable to the
      Securities Administrator for asset-backed securities of the Securities
      Administrator and each Subcontractor utilized by the Securities Administrator
      and related attestation report on assessment of compliance with servicing
      criteria applicable to it required to be included in the Annual Report in
      accordance with Item 1122 of Regulation AB and Exchange Act Rules 13a-18 and
      15d-18 has been included as an exhibit to the Annual Report. Any material
      instances of non-compliance are described in such report and have been disclosed
      in the Annual Report.

     

    
      
        
        

      

      
        P-1

        
          

        

      

      
        
        

      

       

    

    In
      giving
      the certifications above, the Securities Administrator has reasonably relied
      on
      information provided to it by the following unaffiliated parties: [names of
      servicer(s), master servicer, subservicer(s), depositor, trustee,
      custodian(s)]

     

    

    Date:
            

    

    

    Wells
      Fargo Bank, N.A., as Securities Administrator

    

    

    

                                                          

    [Signature]

    [Title]

    

    
      
        
        

      

      
        P-2

        
          

        

      

      
        
        

      

    

    EXHIBIT
      Q

     

    FORM
      OF
      CERTIFICATION REGARDING SERVICING CRITERIA TO BE ADDRESSED IN REPORT ON
      ASSESSMENT OF COMPLIANCE

     

    
      	
              Reg
                AB Reference

            	
              Servicing
                Criteria

            	
              Paying
                Agent

              (including
                the Securities Administrator if acting as Paying
                Agent)

            	
              Master
                Servicer

            	
              Securities
                Administrator

            

    

    
      	 	
              General Servicing
                 Considerations

            	 	 	 
	
              1122(d)(1)(i)

            	
              Policies
                and procedures are instituted to monitor any performance or other
                triggers
                and events of default in accordance with the transaction
                agreements.

            	 	
              X

            	 
	
              1122(d)(1)(ii)

            	
              If
                any material servicing activities are outsourced to third parties,
                policies and procedures are instituted to monitor the third party’s
                performance and compliance with such servicing activities.

            	 	 	 
	
              1122(d)(1)(iii)

            	
              Any
                requirements in the transaction agreements to maintain a back-up
                servicer
                for the pool assets are maintained. 

            	
               

            	 	 
	
              1122(d)(1)(iv)

            	
              A
                fidelity bond and errors and omissions policy is in effect on the
                party
                participating in the servicing function throughout the reporting
                period in
                the amount of coverage required by and otherwise in accordance with
                the
                terms of the transaction agreements. 

            	 	
              X

            	 
	 	
              Cash Collection and Administration

            	 	 	 
	
              1122(d)(2)(i)

            	
              Payments
                on pool assets are deposited into the appropriate custodial bank
                accounts
                and related bank clearing accounts no more than two business days
                following receipt, or such other number of days specified in the
                transaction agreements. 

            	
              X

            	
              X

            	
              X

            
	
              1122(d)(2)(ii)

            	
              Disbursements
                made via wire transfer on behalf of an obligor or to an investor
                are made
                only by authorized personnel. 

            	
              X

            	
              X

            	 
	
              1122(d)(2)(iii)

            	
              Advances
                of funds or guarantees regarding collections, cash flows or distributions,
                and any interest or other fees charged for such advances, are made,
                reviewed and approved as specified in the transaction agreements.
                

            	 	
              X

            	 

    

     

    
      
        
        

      

      
        Q-1

        
          

        

      

      
        
        

      

    

    
       

      
        	
                Reg
                  AB Reference

              	
                Servicing
                  Criteria

              	
                Paying
                  Agent

                (including
                  the Securities Administrator if acting as Paying
                  Agent)

              	
                Master
                  Servicer

              	
                Securities
                  Administrator

              

      

    

    
      	
              1122(d)(2)(iv)

            	
              The
                related accounts for the transaction, such as cash reserve accounts
                or
                accounts established as a form of over collateralization, are separately
                maintained (e.g., with respect to commingling of cash) as set forth
                in the
                transaction agreements. 

            	
              X

            	
              X

            	
              X

            
	
              1122(d)(2)(v)

            	
              Each
                custodial account is maintained at a federally insured depository
                institution as set forth in the transaction agreements. For purposes
                of
                this criterion, “federally insured depository institution” with respect to
                a foreign financial institution means a foreign financial institution
                that
                meets the requirements of Rule 13k-1(b)(1) of the Securities Exchange
                Act.
                

            	 	
              X

            	 
	
              1122(d)(2)(vi)

            	
              Unissued
                checks are safeguarded so as to prevent unauthorized access.
                

            	
              X

            	 	 
	
              1122(d)(2)(vii)
                

            	
              Reconciliations
                are prepared on a monthly basis for all asset-backed securities related
                bank accounts, including custodial accounts and related bank clearing
                accounts. These reconciliations are (A) mathematically accurate;
                (B)
                prepared within 30 calendar days after the bank statement cutoff
                date, or
                such other number of days specified in the transaction agreements;
                (C)
                reviewed and approved by someone other than the person who prepared
                the
                reconciliation; and (D) contain explanations for reconciling items.
                These
                reconciling items are resolved within 90 calendar days of their original
                identification, or such other number of days specified in the transaction
                agreements. 

            	
              X

            	
              X

            	 
	 	
              Investor
                Remittances and Reporting

            	 	 	 
	
              1122(d)(3)(i)

            	
              Reports
                to investors, including those to be filed with the Commission, are
                maintained in accordance with the transaction agreements and applicable
                Commission requirements. Specifically, such reports (A) are prepared
                in
                accordance with timeframes and other terms set forth in the transaction
                agreements; (B) provide information calculated in accordance with
                the
                terms specified in the transaction agreements; (C) are filed with
                the
                Commission as required by its rules and regulations; and (D) agree
                with
                investors’ or the trustee’s records as to the total unpaid principal
                balance and number of pool assets serviced by the Servicer.
                

            	 	
              X

            	
              X

            

    

     

    
      
        
        

      

      
        Q-2

        
          

        

      

      
        
        

      

    

    
       

      
        	
                Reg
                  AB Reference

              	
                Servicing
                  Criteria

              	
                Paying
                  Agent

                (including
                  the Securities Administrator if acting as Paying
                  Agent)

              	
                Master
                  Servicer

              	
                Securities
                  Administrator

              

      

    

    
      	
              1122(d)(3)(ii)

            	
              Amounts
                due to investors are allocated and remitted in accordance with timeframes,
                distribution priority and other terms set forth in the transaction
                agreements. 

            	
              X

            	
              X

            	
              X

            
	
              1122(d)(3)(iii)

            	
              Disbursements
                made to an investor are posted within two business days to the Servicer’s
                investor records, or such other number of days specified in the
                transaction agreements. 

            	
              X

            	
               X

            	 
	
              1122(d)(3)(iv)

            	
              Amounts
                remitted to investors per the investor reports agree with cancelled
                checks, or other form of payment, or custodial bank statements.
                

            	
              X

            	
              X

            	 
	 	
              Pool
                Asset Administration

            	 	 	 
	
              1122(d)(4)(i)
                

            	
              Collateral
                or security on pool assets is maintained as required by the transaction
                agreements or related pool asset documents. 

            	
               

            	 	 
	
              1122(d)(4)(ii)

            	
              Pool
                assets and related documents are safeguarded as required by the
                transaction agreements 

            	
               

            	 	 
	
              1122(d)(4)(iii)

            	
              Any
                additions, removals or substitutions to the asset pool are made,
                reviewed
                and approved in accordance with any conditions or requirements in
                the
                transaction agreements. 

            	
               

            	 	
              X

            
	
              1122(d)(4)(iv)

            	
              Payments
                on pool assets, including any payoffs, made in accordance with the
                related
                pool asset documents are posted to the Servicer’s obligor records
                maintained no more than two business days after receipt, or such
                other
                number of days specified in the transaction agreements, and allocated
                to
                principal, interest or other items (e.g., escrow) in accordance with
                the
                related pool asset documents. 

            	 	 	 

    

     

    
      
        
        

      

      
        Q-3

        
          

        

      

      
        
        

      

    

    
       

      
        	
                Reg
                  AB Reference

              	
                Servicing
                  Criteria

              	
                Paying
                  Agent

                (including
                  the Securities Administrator if acting as Paying
                  Agent)

              	
                Master
                  Servicer

              	
                Securities
                  Administrator

              

      

    

    
      	
              1122(d)(4)(v)

            	
              The
                Servicer’s records regarding the pool assets agree with the Servicer’s
                records with respect to an obligor’s unpaid principal balance.
                

            	 	 	 
	
              1122(d)(4)(vi)

            	
              Changes
                with respect to the terms or status of an obligor's pool assets (e.g.,
                loan modifications or re-agings) are made, reviewed and approved
                by
                authorized personnel in accordance with the transaction agreements
                and
                related pool asset documents. 

            	 	
              X

            	 
	
              1122(d)(4)(vii)

            	
              Loss
                mitigation or recovery actions (e.g., forbearance plans, modifications
                and
                deeds in lieu of foreclosure, foreclosures and repossessions, as
                applicable) are initiated, conducted and concluded in accordance
                with the
                timeframes or other requirements established by the transaction
                agreements. 

            	 	
              X

            	 
	
              1122(d)(4)(viii)

            	
              Records
                documenting collection efforts are maintained during the period a
                pool
                asset is delinquent in accordance with the transaction agreements.
                Such
                records are maintained on at least a monthly basis, or such other
                period
                specified in the transaction agreements, and describe the entity’s
                activities in monitoring delinquent pool assets including, for example,
                phone calls, letters and payment rescheduling plans in cases where
                delinquency is deemed temporary (e.g., illness or unemployment).
                

            	 	 	 
	
              1122(d)(4)(ix)

            	
              Adjustments
                to interest rates or rates of return for pool assets with variable
                rates
                are computed based on the related pool asset documents. 

            	 	 	 
	
              1122(d)(4)(x)

            	
              Regarding
                any funds held in trust for an obligor (such as escrow accounts):
                (A) such
                funds are analyzed, in accordance with the obligor’s pool asset documents,
                on at least an annual basis, or such other period specified in the
                transaction agreements; (B) interest on such funds is paid, or credited,
                to obligors in accordance with applicable pool asset documents and
                state
                laws; and (C) such funds are returned to the obligor within 30 calendar
                days of full repayment of the related pool assets, or such other
                number of
                days specified in the transaction agreements. 

            	 	 	 

    

     

    
      
        
        

      

      
        Q-4

        
          

        

      

      
        
        

      

    

    
       

      
        	
                Reg
                  AB Reference

              	
                Servicing
                  Criteria

              	
                Paying
                  Agent

                (including
                  the Securities Administrator if acting as Paying
                  Agent)

              	
                Master
                  Servicer

              	
                Securities
                  Administrator

              

      

    

    
      	
              1122(d)(4)(xi)

            	
              Payments
                made on behalf of an obligor (such as tax or insurance payments)
                are made
                on or before the related penalty or expiration dates, as indicated
                on the
                appropriate bills or notices for such payments, provided that such
                support
                has been received by the servicer at least 30 calendar days prior
                to these
                dates, or such other number of days specified in the transaction
                agreements. 

            	 	
               

            	 
	
              1122(d)(4)(xii)

            	
              Any
                late payment penalties in connection with any payment to be made
                on behalf
                of an obligor are paid from the Servicer’s funds and not charged to the
                obligor, unless the late payment was due to the obligor’s error or
                omission. 

            	 	
               

            	 
	
              1122(d)(4)(xiii)

            	
              Disbursements
                made on behalf of an obligor are posted within two business days
                to the
                obligor’s records maintained by the servicer, or such other number of days
                specified in the transaction agreements. 

            	 	
               

            	 
	
              1122(d)(4)(xiv)
                

            	
              Delinquencies,
                charge-offs and uncollectible accounts are recognized and recorded
                in
                accordance with the transaction agreements. 

            	 	
              X

            	 
	
              1122(d)(4)(xv)

            	
              Any
                external enhancement or other support, identified in Item 1114(a)(1)
                through (3) or Item 1115 of Regulation AB, is maintained as set forth
                in
                the transaction agreements. 

            	 	 	
              X

            

    

     

    
      
        
        

      

      
        Q-5

        
          

        

      

      
        
        

      

    

     

    EXHIBIT
      R

     

    FORM
      OF
      EXCHANGE TRUST AGREEMENT

     

    
      
        
        

      

      
        R-1

        
          

        

      

      
        
        

      

    

    EXHIBIT
      S

     

    CLASS
      TABLE

    
      
      

       

      
        	 	 	 	 	
                Summary
                  Interest Rate Formula

                                Subject
                  to:                

              	
              	 	 
	 

                Class

              	
                Collateral

                Group

              	
                Class
                  Principal or Notional 

                Amount

              	 

                Summary
                  Interest

                Rate
                  Formula

              	
                Minimum
                  Rate

              	 	
                Maximum
                  Rate

              	 

                Exchange/

                Exchangeable

              	
                Interest
                  Accrual 

                Convention

              	 

                Minimum
                  

                Denomination

              
	
                1-A1(5)

              	
                1

              	
                $   
                  62,310,000

              	
                6.00000%

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Exchange

              	
                30/360

              	
                $
                  100,000

              
	
                1-A2(5)

              	
                1

              	
                $    
                   3,050,000

              	
                6.00000%

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Exchange

              	
                30/360

              	
                $
                  100,000

              
	
                1-A3

              	
                1

              	
                $   
                  65,360,000

              	
                6.00000%

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Exchangeable

              	
                30/360

              	
                $
                  100,000

              
	
                2-A1

              	
                2

              	
                $  
                  125,216,000

              	
                6.50000%

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Exchangeable

              	
                30/360

              	
                $
                  100,000

              
	
                2-A2(5)

              	
                2

              	
                $   
                  44,000,000

              	
                6.50000%

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Exchange

              	
                30/360

              	
                $
                  100,000

              
	
                2-A3(5)

              	
                2

              	
                $     
                  4,713,000

              	
                6.50000%

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Exchange

              	
                30/360

              	
                $
                  100,000

              
	
                2-A4(5)

              	
                2

              	
                $     
                  3,442,000

              	
                6.50000%

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Exchange

              	
                30/360

              	
                $
                  100,000

              
	
                2-A5

              	
                2

              	
                $ 
                  129,929,000

              	
                6.50000%

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Exchangeable

              	
                30/360

              	
                $
                  100,000

              
	
                2-A6

              	
                2

              	
                $   
                  47,442,000

              	
                6.50000%

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Exchangeable

              	
                30/360

              	
                $
                  100,000

              
	
                2-A7

              	
                2

              	
                $    
                  8,155,000

              	
                6.50000%

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Exchangeable

              	
                30/360

              	
                $
                  100,000

              
	
                2-A8

              	
                1,2

              	
                $   
                  11,205,000

              	
                Weighted
                  Average Rate(2)

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Exchangeable

              	
                30/360

              	
                $
                  100,000

              
	
                2-A9(5)

              	
                2

              	
                $ 
                  116,272,000

              	
                LIBOR
                  + 0.8500%

              	
                0.8500%

              	 	
                7.0000%

              	
                Exchange

              	
                30/360

              	
                $
                  100,000

              
	
                2-A10

              	
                2

              	
                $    
                   8,944,000

              	
                79.9500%
                  - (13 x LIBOR)

              	
                0.0000%

              	 	
                79.9500%

              	
                Exchangeable

              	
                30/360

              	
                $
                  100,000

              
	
                2-A11(5)

              	
                2

              	
                $    
                   8,944,000

              	
                24.6000%
                  - (4 x LIBOR)

              	
                0.0000%

              	 	
                24.6000%

              	
                Exchange

              	
                30/360

              	
                $
                  100,000

              
	
                2-A12(5)

              	
                2

              	
                $ 80,496,000(1)

              	
                6.1500%
                  - LIBOR

              	
                0.0000%

              	 	
                6.1500%

              	
                Exchange

              	
                30/360

              	
                $1,000,000

              
	
                3-A1

              	
                3A,3B

              	
                $ 
                  205,453,000

              	
                6.00000%

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Exchangeable

              	
                30/360

              	
                $
                  100,000

              
	
                3-A2

              	
                3A,3B

              	
                $   
                  51,362,000

              	
                6.00000%

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Exchangeable

              	
                30/360

              	
                $
                  100,000

              
	
                3-A3(5)

              	
                3A,3B

              	
                $   
                  37,668,000

              	
                6.00000%

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Exchange

              	
                30/360

              	
                $
                  100,000

              
	
                3-A4(5)

              	
                3A,3B

              	
                $   
                  30,000,000

              	
                6.00000%

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Exchange

              	
                30/360

              	
                $
                  100,000

              
	
                3-A5(5)

              	
                3A,3B

              	
                $   
                  14,240,000

              	
                6.00000%

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Exchange

              	
                30/360

              	
                $
                  100,000

              
	
                3-A6(5)

              	
                3A,3B

              	
                $     
                  7,122,000

              	
                6.00000%

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Exchange

              	
                30/360

              	
                $
                  100,000

              
	
                3-A7

              	
                3A,3B

              	
                $   
                  21,362,000

              	
                6.00000%

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Exchangeable

              	
                30/360

              	
                $
                  100,000

              
	
                3-A8

              	
                3B

              	
                $ 44,336,769(1)

              	
                6.50000%

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Not
                  Applicable

              	
                30/360

              	
                $1,000,000

              
	
                3-A9

              	
                3A,3B

              	
                $ 
                  294,483,000

              	
                6.00000%

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Exchangeable

              	
                30/360

              	
                $
                  100,000

              
	
                3-A10(5)

              	
                3A,3B

              	
                $ 
                  176,102,571

              	
                LIBOR
                  + 1.000%

              	
                1.0000%

              	 	
                7.0000%

              	
                Exchange

              	
                30/360

              	
                $
                  100,000

              
	
                3-A11

              	
                3A,3B

              	
                $  
                   29,350,428

              	
                36.0000%
                  - (6 x LIBOR)

              	
                0.0000%

              	 	
                36.0000%

              	
                Exchangeable

              	
                30/360

              	
                $
                  100,000

              
	
                3-A12(5)

              	
                3A,3B

              	
                $   
                  29,350,428

              	
                24.0000%
                  - (4 x LIBOR)

              	
                0.0000%

              	 	
                24.0000%

              	
                Exchange

              	
                30/360

              	
                $
                  100,000

              
	
                3-A13(5)

              	
                3A,3B

              	
                $
                  58,700,857(1)

              	
                6.000%
                  - LIBOR

              	
                0.0000%

              	 	
                6.0000%

              	
                Exchange

              	
                30/360

              	
                $1,000,000

              
	
                4-A1

              	
                4

              	
                $  
                   32,576,000

              	
                6.00000%

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Exchangeable

              	
                30/360

              	
                $
                  100,000

              
	
                4-A2(5)

              	
                4

              	
                $   
                  16,288,000

              	
                5.50000%

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Exchange

              	
                30/360

              	
                $
                  100,000

              
	
                4-A3(5)

              	
                4

              	
                $   
                  16,288,000

              	
                6.50000%

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Exchange

              	
                30/360

              	
                $
                  100,000

              
	
                4-A4(5)

              	
                4

              	
                $    
                  5,834,000

              	
                6.00000%

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Exchange

              	
                30/360

              	
                $
                  100,000

              
	
                4-A5

              	
                4

              	
                $   
                  38,410,000

              	
                6.00000%

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Exchangeable

              	
                30/360

              	
                $
                  100,000

              
	
                AP1

              	
                PO1

              	
                $       
                   195,486

              	
                0.00000%

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Not
                  Applicable

              	
                Not
                  Applicable

              	
                $
                  100,000

              
	
                AP2(5)

              	
                PO2

              	
                $       
                   950,329

              	
                0.00000%

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Exchange

              	
                Not
                  Applicable

              	
                $
                  100,000

              
	
                AP3(5)

              	
                PO3

              	
                $      2,577,673

              	
                0.00000%

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Exchange

              	
                Not
                  Applicable

              	
                $
                  100,000

              
	
                AP4

              	
                PO2,
                  PO3

              	
                $     
                  3,528,002

              	
                0.00000%

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Exchangeable

              	
                Not
                  Applicable

              	
                $
                  100,000

              
	
                AX1

              	
                2

              	
                $ 
                  6,608,012(1)

              	
                6.50000%

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Not
                  Applicable

              	
                30/360

              	
                $1,000,000

              
	
                AX3

              	
                4

              	
                $ 
                  3,324,112(1)

              	
                6.00000%

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Not
                  Applicable

              	
                30/360

              	
                $1,000,000

              
	
                1B1

              	
                1,2

              	
                $    
                   4,154,000

              	
                Weighted
                  Average Rate(3)

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Not
                  Applicable

              	
                30/360

              	
                $
                  100,000

              
	
                1B2

              	
                1,2

              	
                $     
                  1,888,000

              	
                Weighted
                  Average Rate(3)

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Not
                  Applicable

              	
                30/360

              	
                $
                  100,000

              

      

       

      
        
          
          

        

        
          S-1

          
            

          

        

        
          
          

        

      

       

      
        
          
            	 	 	 	 	
                    
                      Summary
                        Interest Rate Formula

                      Subject
                        to:

                    

                  	
                  	 	 
	 

                    Class

                  	
                    Collateral

                    Group

                  	
                    Class
                      Principal or Notional 

                    Amount

                  	 

                    Summary
                      Interest

                    Rate
                      Formula

                  	
                    Minimum
                      Rate

                  	 	
                    Maximum
                      Rate

                  	 

                    Exchange/

                    Exchangeable

                  	
                    Interest
                      Accrual 

                    Convention

                  	 

                    Minimum
                      

                    Denomination

                  

          

        

      

      
        	
                1B3

              	
                1,2

              	
                $       
                   756,000

              	
                Weighted
                  Average Rate(3)

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Not
                  Applicable

              	
                30/360

              	
                $
                  100,000

              
	
                1B4

              	
                1,2

              	
                $    
                   1,007,000

              	
                Weighted
                  Average Rate(3)

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Not
                  Applicable

              	
                30/360

              	
                $
                  100,000

              
	
                1B5

              	
                1,2

              	
                $        
                  503,000

              	
                Weighted
                  Average Rate(3)

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Not
                  Applicable

              	
                30/360

              	
                $
                  100,000

              
	
                1B6

              	
                1,2

              	
                $       
                   503,496

              	
                Weighted
                  Average Rate(3)

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Not
                  Applicable

              	
                30/360

              	
                $
                  100,000

              
	
                2B1

              	
                3A,3B,4

              	
                $    
                  30,512,000

              	
                Weighted
                  Average Rate(4)

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Not
                  Applicable

              	
                30/360

              	
                $
                  100,000

              
	
                2B2

              	
                3A,3B,4

              	
                $     
                  7,628,000

              	
                Weighted
                  Average Rate(4)

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Not
                  Applicable

              	
                30/360

              	
                $
                  100,000

              
	
                2B3

              	
                3A,3B,4

              	
                $     
                  3,325,000

              	
                Weighted
                  Average Rate(4)

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Not
                  Applicable

              	
                30/360

              	
                $
                  100,000

              
	
                2B4

              	
                3A,3B,4

              	
                $     
                  5,672,000

              	
                Weighted
                  Average Rate(4)

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Not
                  Applicable

              	
                30/360

              	
                $
                  100,000

              
	
                2B5

              	
                3A,3B,4

              	
                $     
                  2,739,000

              	
                Weighted
                  Average Rate(4)

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Not
                  Applicable

              	
                30/360

              	
                $
                  100,000

              
	
                2B6

              	
                3A,3B,4

              	
                $
                  4,889,450

              	
                Weighted
                  Average Rate(4)

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Not
                  Applicable

              	
                30/360

              	
                $
                  100,000

              
	
                P

              	
                All

              	
                $     
                  100,000(7)

              	
                Not
                  Applicable

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Not
                  Applicable

              	
                Not
                  Applicable

              	
                $
                  10,000

              
	
                LT-R

              	
                Not
                  Applicable

              	
                Not
                  Applicable

              	
                Not
                  Applicable

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Not
                  Applicable

              	
                Not
                  Applicable

              	
                100%(6)

              
	
                R

              	
                1

              	
                $              
                   100

              	
                6.00000%

              	
                Not
                  Applicable

              	 	
                Not
                  Applicable

              	
                Not
                  Applicable

              	
                30/360

              	
                100%(6)

              

      

    

    
      
        

      

    

    
      	
            	(1)	
              Initial
                Notional Amount. These Classes of Certificates are interest-only
                certificates; they will not be entitled to payments of principal
                and will
                accrue interest on their Notional
                Amounts.

            

    

     

    
      	
            	(2)	
              The
                weighted average rate applicable to this formula will be based on
                the
                weighted average of the certificate interest rates of the Class 1-A2,
                Class 2-A3 and Class 2-A4
                Certificates.

            

    

     

    
      	
            	(3)	
              The
                weighted average rate applicable to this formula will be based on
                the
                weighted average of the designated rates applicable to Collateral
                Groups 1
                and 2 , weighted on the basis of the group subordinate amounts
                thereof.

            

    

     

    
      	
            	(4)	
              The
                weighted average rate applicable to this formula will be based on
                the
                weighted average of the designated rates applicable to Collateral
                Groups
                3A, 3B and 4, weighted on the basis of the group subordinate amounts
                thereof.

            

    

     

    
      	
            	(5)	
              These
                classes of certificates are Exchange Certificates. Certain combinations
                of
                Exchange Certificates can be exchanged for corresponding Exchangeable
                Certificates.

            

    

     

    
      	
            	(6)	
              The
                Class R and Class LT-R Certificates will be issued in definitive,
                fully
                registered form, representing the entire percentage interest of that
                class.

            

    

     

    
      	
            	(7)	
              Initial
                Notional Amount. This Class of Certificates will be issued without
                a
                principal balance or an interest
                rate.

            

    

     

    
      
        
        

      

      
        S-2

        
          

        

      

      
        
        

      

    

    EXHIBIT
      T

     

    APPLICABLE
      FRACTIONS TABLE

     

    Mortgage
      Loans in Pool 1 with Net Mortgage Rates Less than 6.00%.
      Principal received or advanced on each Discount Mortgage Loan in Pool 1 will
      be
      allocated between Collateral Group PO1 and Collateral Group 1 on the basis
      of
      the Applicable Fractions of the related Discount Mortgage Loans. The Applicable
      Fraction for the portion of each such Discount Mortgage Loan allocated to
      Collateral Group PO1, is (6.00% minus
      Net
      Mortgage Rate) /6.00%, and the Applicable Fraction for the portion of each
      such
      Discount Mortgage Loan allocated to Collateral Group 1, is Net Mortgage Rate
      /6.00%.

     

    Mortgage
      Loans in Pool 1 with Net Mortgage Rates Greater than or Equal to 6.00% and
      Less
      than 6.50%.
      Principal received or advanced on each Mortgage Loan in Pool 1 having a Net
      Mortgage Rate greater than or equal to 6.00% but less than 6.50% will be
      allocated between Collateral Group 1 and Collateral Group 2 on the basis of
      the
      Applicable Fractions of the related Mortgage Loans. The Applicable Fraction
      for
      the portion of each such Mortgage Loan allocated to Collateral Group 1, is
      (6.50% minus
      Net
      Mortgage Rate) /0.50%, and the Applicable Fraction for the portion of each
      such
      Mortgage Loan allocated to Collateral Group 2, is 1 minus
      ((6.50%
minus
      Net
      Mortgage Rate) /0.50%).

     

    Mortgage
      Loans in Pool 1 with Net Mortgage Rates Greater than or Equal to
      6.50%.
      Principal received or advanced on each Mortgage Loan in Pool 1 having a Net
      Mortgage Rate greater than or equal to 6.50% will be allocated entirely to
      Collateral Group 2.

     

    Mortgage
      Loans in Pool 2 with Net Mortgage Rates Less than 6.00%.
      Principal received or advanced on each Discount Mortgage Loan in Pool 2 will
      be
      allocated between Collateral Group PO2 and Collateral Group 3A on the basis
      of
      the Applicable Fractions of the related Discount Mortgage Loans. The Applicable
      Fraction for the portion of each such Discount Mortgage Loan allocated to
      Collateral Group PO2, is (6.00% minus
      Net
      Mortgage Rate) /6.00%, and the Applicable Fraction for the portion of each
      such
      Discount Mortgage Loan allocated to Collateral Group 3A, is Net Mortgage Rate
      /6.00%.

     

    Mortgage
      Loans in Pool 2 with Net Mortgage Rates Greater than or Equal to 6.00% and
      Less
      than or Equal to 15.00%.
      Principal received or advanced on each Mortgage Loan in Pool 2 having a Net
      Mortgage Rate greater than or equal to 6.00% but less than or equal to 15.00%
      will be allocated between Collateral Group 3A and Collateral Group 3B on the
      basis of the Applicable Fractions of the related Mortgage Loans. The Applicable
      Fraction for the portion of each such Mortgage Loan allocated to Collateral
      Group 3A, is (15.00% minus
      Net
      Mortgage Rate) /9.00%, and the Applicable Fraction for the portion of each
      such
      Mortgage Loan allocated to Collateral Group 3B, is 1 minus
      ((15.00%
minus
      Net
      Mortgage Rate) /9.00%).

     

    Mortgage
      Loans in Pool 3 with Net Mortgage Rates Less than 6.00%.
      Principal received or advanced on each Discount Mortgage Loan in Pool 3 will
      be
      allocated between Collateral Group PO3 and Collateral Group 4 on the basis
      of
      the Applicable Fractions of the related Discount Mortgage Loans. The Applicable
      Fraction for the portion of each Discount Mortgage Loan allocated to Collateral
      Group PO3, is (6.00% minus
      Net
      Mortgage Rate) /6.00%, and the Applicable Fraction for the portion of each
      Discount Mortgage Loan allocated to Collateral Group 4, is Net Mortgage Rate
      /6.00%.

     

    
      
        
        

      

      
        T-1

        
          

        

      

      
        
        

      

       

    

    Mortgage
      Loans in Pool 3 with Net Mortgage Rates Greater than or Equal to
      6.00%.
      Principal received or advanced on each Mortgage Loan in Pool 3 having a Net
      Mortgage Rate greater than or equal to 6.00% will be allocated entirely to
      Collateral Group 4.

     

    

     

    
      
        
        

      

      
        T-2

        
          

        

      

      
        
        

      

    

    EXHIBIT
      U

     

    FORM
      OF
      MODIFIED LOAN REPORT

    

    

    
      	
              Field
                Name

            	
              Start

            	
              Width

            	
              Format

            	 
	
              Loan
                Number

            	 	 	 	 
	
              Modification
                Effective Date

            	 	 	 	 
	
              UPB
                Prior to Modification

            	 	 	 	 
	
              UPB
                Post Modification

            	 	 	 	 
	
              Interest
                Rate Prior to Modification

            	 	 	 	 
	
              Modified
                Interest Rate

            	 	 	 	 
	
              Scheduled
                P&I Payment Prior to Modification

            	 	 	 	 
	
              Modified
                Scheduled P&I Payment

            	 	 	 	 
	
              Maturity
                Date Prior to Modification

            	 	 	 	 
	
              Modified
                Maturity Date

            	 	 	 	 
	
              Principal
                Forgiven

            	 	 	 	 
	
              Interest
                Forgiven

            	 	 	 	 

    

    

    
      
        
        

      

      
        U-1

        
          

        

      

      
        
        

      

    

    EXHIBIT
      V

     

    MONTHLY
      ELECTRONIC DATA TRANSMISSION

     

    

     

    

    
      
        
        

      

      
        V-1

        
          

        

      

      
        
        

      

    

     

    SCHEDULE
      A

     

    ALL
      MORTGAGE LOANS

     

     

    

    
      
        
        

      

      
        Sch
          A-1

        
          

        

      

      
        
        

      

    

    SCHEDULE
      B

     

     

    [RESERVED]

     

     

    

    
      
        
        

      

      
        Sch
          B-1

        
          

        

      

      
        
        

      

    

    SCHEDULE
      C-1

     

     

    [RESERVED]

     

     

    
      
        
        

      

      
        Sch
          C-1

        
          

        

      

      
        
        

      

    

    SCHEDULE
      D

     

     

    AX
      MORTGAGE LOANS

     

    
      
        
        

      

      
        Sch
          D-1EXECUTION

     

    

      EXCHANGE
        TRUST AGREEMENT

       

      This
        EXCHANGE TRUST AGREEMENT (this “Agreement”)
        dated
        as of November 1, 2007, is executed by and among Structured Asset Securities
        Corporation, as depositor (the “Depositor”),
        U.S.
        Bank National Association, solely in its capacity as trustee pursuant to
        the
        Underlying Trust Agreement (as defined below) (the “Trustee”)
        and
        Wells Fargo Bank, N.A., as securities administrator (the “Securities
        Administrator”).

       

      WITNESSETH

      

      WHEREAS,
        the Depositor, the Trustee, the Securities Administrator and Aurora Loan
        Services, LLC, as Master Servicer have entered into a Trust Agreement (the
        “Underlying
        Trust Agreement”)
        dated
        as of November 1, 2007 establishing Lehman Mortgage Trust 2007-10 (the
“Underlying
        Trust”);

       

      WHEREAS,
        the Underlying Trust has issued a series of certificates known as Mortgage
        Pass-Through Certificates, Series 2007-10, evidencing the entire beneficial
        interest in the Underlying Trust;

       

      WHEREAS,
        the Exchange Classes and Exchangeable Classes (each as defined herein) will
        be
        issued hereunder and will represent ownership interests in the Related REMIC
        Classes (as defined herein);

       

      WHEREAS,
        all or a portion of the Exchange Classes may be exchanged for the related
        Exchangeable Classes and vice versa; and

       

      WHEREAS,
        the parties hereto desire to create this Trust to issue the Exchange Classes
        and
        the Exchangeable Classes subject to the terms and conditions set forth
        herein.

       

      NOW
        THEREFORE, the parties to this Agreement, in the several capacities hereinabove
        set forth, do hereby declare and establish this Agreement and do hereby
        undertake and otherwise agree as follows:

       

      ARTICLE
        I

       

      DEFINED
        TERMS

       

      Capitalized
        terms used and not defined herein shall have the respective meanings assigned
        to
        them in the Underlying Trust Agreement and the rules of construction set
        forth
        therein shall apply hereto. In addition, whenever used in this Agreement,
        the
        following words and phrases, unless the context otherwise requires, shall
        have
        the following meanings:

       

      “Aggregate
        Denomination”:
        As to
        any Class and date of determination, the aggregate of the denominations of
        the
        Outstanding Certificates of such Class on such date.

       

      “Authorized
        Officer”:
        The
        Chairman of the Board, the President or any Executive Vice President, Senior
        Vice President or Vice President.

       

      
        
          
          

        

        
          1

          
            

          

        

        
          
          

        

      

      “Certificate”:
        A
        grantor trust pass-through security issued hereunder in a book-entry form
        as
        authorized by this Agreement.

       

      “Certificate
        Registrar”:
        For
        the purposes of this Agreement, the Securities Administrator appointed pursuant
        to the Underlying Trust Agreement which shall act as Certificate Registrar
        under
        this Agreement subject to the terms and conditions and entitled to the same
        rights, protections and indemnities set forth in the Agreement.

       

      “Class”:
        Each
        Class of Certificates issued or issuable hereunder as set forth in Section
        2.02
        hereto and each REMIC Class issued under the Underlying Trust
        Agreement.

       

      “Class
        Balance”:
        With
        respect to any Exchangeable Class or Exchange Class, at any time, the aggregate
        of the Certificate Principal Amounts of all Outstanding Certificates of such
        Class.

       

      “Class
        Distribution Amount”:
        As to
        each Exchangeable Class and Exchange Class and any Distribution Date, an
        amount
        equal to the aggregate of the Class Interest Distribution Amount and Class
        Principal Distribution Amount on such date. As to each Related REMIC Class
        on
        any Distribution Date, the sum of (i) the Accrued Certificate Interest
        distributable to such Class pursuant to the Underlying Trust Agreement on
        such
        date; and (ii) the amount of principal distributable to such Class pursuant
        to
        the Underlying Trust Agreement on such date.

       

      “Class
        Interest Distribution Amount”:
        As to
        each Exchangeable Class and Exchange Class, and each Distribution Date, an
        amount equal to Accrued Certificate Interest (as defined in the Underlying
        Trust
        Agreement) for such class.

       

      “Class
        Principal Distribution Amount”:
        As to
        each Exchangeable Class and Exchange Class, and each Distribution Date, an
        amount as to principal equal to (i) the concurrent distribution of principal
        in
        respect of each Related REMIC Class multiplied by (ii) a fraction, the numerator
        of which is the Aggregate Denomination of such Class and the denominator
        of
        which is the Initial Authorized Denomination of such Class.

       

      “Code”:
        The
        Internal Revenue Code of 1986, as amended, including any successor or amendatory
        provisions.

       

      “Combination
        Group”:
        Any
        allowable combination of Certificates as set forth on Appendix A.

      

      “Distribution
        Date”:
        As to
        any Exchangeable Class and Exchange Class, the Distribution Date for the
        Related
        REMIC Classes.

       

      “Exchange
        Classes”
or
        “Exchange
        Certificates”:
        Each
        Class of Certificates identified as such in Appendix A hereto and issued
        hereunder.

       

      “Exchangeable
        Classes”
or
        “Exchangeable
        Certificates”:
        Each
        Class of Certificates identified as such in Appendix A hereto and issued
        hereunder.

       

      
        
          
          

        

        
          2

          
            

          

        

        
          
          

        

      

      “Initial
        Authorized Denomination”:
        With
        respect to any Class and Combination Group, the amount set forth with respect
        to
        such Class and such Combination Group in Appendix A under the heading “Maximum
        Balance” or “Maximum Original Balance.”

       

      “Issue
        Date”:
        November 30, 2007.

       

      “Notional
        Amount”:
        With
        respect to any Notional Exchange Classes, as set forth in Appendix
        A
        hereto.

       

      “Notional
        Exchange Classes”:
        Not
        applicable.

       

      “Outstanding
        Certificate”:
        Any
        Outstanding Exchange Certificate and Outstanding Exchangeable
        Certificate.

       

      “Outstanding
        Exchangeable Certificate”:
        Any
        Exchangeable Certificate issued on the Issue Date; provided,
        however,
        that
        upon the exchange of any Exchangeable Certificate pursuant to Section 2.03
        hereof, the Exchangeable Certificate so exchanged shall be deemed no longer
        to
        be an Outstanding Certificate, and each Exchange Certificate issued in exchange
        therefor shall be deemed to be an Outstanding Exchange Certificate.

       

      “Outstanding
        Exchange Certificate”:
        Any
        Exchange Certificate issued on the Issue Date; provided,
        however,
        that
        upon the exchange of any Exchange Certificate pursuant to Section 2.03 hereof,
        the Exchange Certificate so exchanged shall be deemed no longer to be an
        Outstanding Exchange Certificate, and the Exchangeable Certificate issued
        in
        exchange therefor shall be deemed to be an Outstanding Exchangeable
        Certificate.

       

      “Paying
        Agent”:
        For
        the purposes of this Agreement, the Securities Administrator appointed pursuant
        to the Underlying Trust Agreement which shall act as Paying Agent under this
        Agreement subject to the same terms and conditions and entitled to the same
        rights, protections and indemnities set forth in the Underlying Trust
        Agreement.

       

      “Prospectus”:
        The
        prospectus dated November 26, 2007, as supplemented by a prospectus supplement
        dated November 28, 2007, relating to the Lehman Mortgage Trust, Mortgage
        Pass-Through Certificates Series 2007-10.

       

      “Realized
        Loss Allocation Amount”:
        As to
        each Exchangeable Class or Exchange Class and Distribution Date, an amount
        equal
        to the aggregate of the Realized Losses on such Distribution Date in respect
        of
        the Related REMIC Class or Classes multiplied by a fraction, the numerator
        of
        which is equal to the Aggregate Denomination of such Exchange or Exchangeable
        Class at the close of business on the related Record Date and the denominator
        of
        which is the Initial Authorized Denomination with respect to such Class.
        

       

      “Related
        REMIC Class”:
        As to
        any Exchange Class (and each Exchangeable Class of the same Combination Group),
        the REMIC Class with the identical class designation as such Exchange
        Class.

       

      “REMIC
        Class”
or
        “REMIC
        Certificates”:
        Each
        of the following Classes of Certificates issued under the Underlying Trust
        Agreement in uncertificated form: the Class
        1-A1, Class 1-A2, Class 2-A2, Class 2-A3, Class 2-A4, Class 2-A9, Class 2-A11,
        Class 2-A12, Class 3-A3, Class 3-A4, Class 3-A5, Class 3-A6, Class 3-A10,
        Class
        3-A12, Class 3-A13, Class 4-A2, Class 4-A3, Class 4-A4, Class AP2 and Class
        AP3
Certificates.

       

      
        
          
          

        

        
          3

          
            

          

        

        
          
          

        

      

      “Trust”:
        The
        trust created by this Agreement, the corpus of which consists of the Trust
        Fund.

       

      “Trust
        Account”:
        As
        defined in Section 3.02 hereof.

       

      “Trust
        Fund”:
        The
        corpus of the trust created by this Agreement, consisting of the Trust Account
        and the uncertificated interests in the REMIC Certificates issued by the
        Underlying Trust and all payments thereon and all rights
        thereunder.

       

      “Underlying
        Trust”:
        As
        defined in the Preamble hereof.

       

      “WHFIT”:
        A
“widely held fixed investment trust” as that term is defined in Treasury
        Regulations section 1.671-5(b)(22) or successor provisions.

       

      “WHFIT
        Regulations”:
        Treasury Regulations section 1.671-5, as amended.

       

      “WHMT”:
        A
“widely held mortgage trust” as that term is defined in Treasury Regulations
        section 1.671-5(b)(23) or successor provisions.

       

       

      ARTICLE
        II

       

      THE
        TRUST

       

      Section
        2.01. Acceptance
        of REMIC Certificates.
        Wells
        Fargo Bank, N.A., acting as custodian for the Trustee for the benefit of
        the Certificateholders, acknowledges the transfer and assignment to it of
        the
        uncertificated REMIC Certificates and hereby declares that it will hold the
        same
        in trust for the Certificateholders on the terms in this Agreement
        contained.

       

      Section
        2.02. Certificates.
        The
        Certificates authorized by this Agreement shall consist of each Exchange
        Class and Exchangeable Class having the characteristics specified or determined
        as provided in Appendix A and the Underlying Trust Agreement, and otherwise
        shall be subject to the terms and provisions set forth herein. 

       

      Section
        2.03. Exchanges.
        Certificates shall be exchangeable on the books of DTC, on and after the
        Closing
        Date, by notice to the Securities Administrator and under the terms and
        conditions hereinafter set forth.

       

      In
        the
        case of each Combination Group, Exchange Certificates in such Combination
        Group
        shall be exchangeable for Exchangeable Certificates related to such Combination
        Group in respective denominations determined based on the proportion that
        the
        initial Certificate Principal Balances of such Exchange Certificates bear
        to the
        original Certificate Principal Balances of the related Exchangeable
        Certificates, as set forth in Appendix A. Upon any such exchange the portions
        of
        the Exchange Certificates designated for exchange shall be deemed cancelled
        and
        replaced by the Exchangeable Certificates issued in exchange therefor.
        Correspondingly, Exchangeable Certificates related to a Combination Group
        may be
        further designated for exchange for Certificates of the Exchange Classes
        in such
        Combination Group in respective denominations determined based on the proportion
        that the initial Certificate Principal Balances of such Exchangeable
        Certificates bear to the original Certificate Principal Balances of the related
        Exchange Certificates, as set forth in Appendix A. There shall be no limitation
        on the number of exchanges authorized pursuant to this Section 2.03, and,
        except
        as set forth below, no fee or other charge shall be payable to the Trustee,
        the
        Securities Administrator or DTC in connection therewith.

      
        
          
          

        

        
          4

          
            

          

        

        
          
          

        

      

      

      Upon
        the
        presentation and surrender by any Holder of its Certificates in the appropriate
        combination as set forth on Appendix A, such Holder shall hereunder transfer,
        assign, set over and otherwise convey to the Trustee, all of such Holder’s
        right, title and interest in and to such Certificates, including all payments
        of
        interest thereon received after the month of the date specified in the notice
        (as described in the immediately succeeding paragraph) relating to such
        exchange.

      

      In
        order
        to effect an exchange of Certificates, the Certificateholder shall provide
        notice to the Securities Administrator (substantially in the form of Exhibit
        I
        hereto) in writing or by e-mail at GCTSSPGTEAMC-1@wellsfargo.com,
        Rebecca.A.Lisi@wellsfargo.com
        and
Scott.Runkles@wellsfargo.com
        no later
        than two Business Days before the proposed exchange date. The exchange date
        may
        be any Business Day from and including the 25th
        day of
        the month to the second to the last Business Day of the month subject to
        the
        Securities Administrator’s approval. The notice must be on the
        Certificateholder’s letterhead, carry a medallion stamp guarantee and set forth
        the following information: the CUSIP number of both Certificates to be exchanged
        and Certificates to be received; outstanding Certificate Balance or Notional
        Amount and the Original Certificate Balance or Notional Amount of the
        Certificates to be exchanged; the Certificateholder’s DTC participant number;
        and the proposed exchange date. After receiving the notice, the Securities
        Administrator shall e-mail the Certificateholder with wire payment instructions
        relating to the exchange fee. A notice becomes irrevocable on the second
        Business Day before the proposed exchange date.

      

      Notwithstanding
        any other provision herein set forth, a fee shall be payable to the Securities
        Administrator in connection with each exchange equal to $5,000 for each exchange
        request.

      

      The
        Securities Administrator shall make the first distribution on an Exchange
        Certificate or an Exchangeable Certificate received in an exchange transaction
        on the Distribution Date in the following month to the Certificateholder
        of
        record as of the close of business on the last day of the month of the
        exchange.

      

      Section
        2.04. Delivery
        of Instruments.
        The
        Securities Administrator shall furnish to each Holder, upon request, copies
        of
        this Agreement, without attachments, applicable to the Certificate(s) held
        by
        such Holder.

       

      
        
          
          

        

        
          5

          
            

          

        

        
          
          

        

      

      ARTICLE
        III

       

      CERTIFICATES;
        DISTRIBUTIONS

       

      Section
        3.01. Issuance
        of Certificates.
        The
        Classes of Certificates issued hereunder shall be issued in book-entry form
        and
        shall be maintained in the names of the record owners thereof as entries
        on the
        books of DTC. Such Certificates shall be in authorized denominations set
        forth
        herein and in the Underlying Trust Agreement.

       

      Section
        3.02. Trust
        Account.
        On or
        before the Issue Date, the Securities Administrator shall either (i) open
        with a depository institution one or more trust accounts in the name of the
        Trustee on behalf of the Trust Fund that shall collectively be the “Trust
        Account,”
        (ii) in lieu of maintaining any such account or accounts, maintain the
        Trust Account by means of appropriate entries on its books and records
        designating all amounts credited thereto in respect of the REMIC Certificates
        and all investments of any such amounts as being held by it in its capacity
        as
        Securities Administrator for the benefit of the Holders of the Certificates
        or
        (iii) maintain the Trust Account in the form of any combination of accounts
        or book entries described in clauses (i) and (ii) above. Any manner or manners
        in which the Trust Account is maintained may at any time be changed without
        notice to, or the approval of Holders of, the Certificates so long as funds
        held
        in the Trust Fund by, or for the account of, the Securities Administrator
        shall
        at all times be identified. To the extent that the Trust Account is maintained
        by the Securities Administrator in the manner provided for in clause (ii)
        above,
        all references herein to deposits and withdrawals from the Trust Account
        shall
        be deemed to refer to credits and debits to the related books of the Securities
        Administrator.

       

      The
        Securities Administrator shall deposit in the Trust Account all distributions
        in
        respect of the REMIC Certificates received by it as Securities Administrator
        hereunder. All such distributions deposited from time to time in the Trust
        Account and all investments made with such moneys, including all income or
        other
        gain from such investments, shall be held by the Securities Administrator
        in the
        Trust Account as part of the Trust Fund as herein provided, subject to
        withdrawal by the Securities Administrator for distributions on the
        Certificates.

       

      Section
        3.03. Distributions.
        On each
        Distribution Date, the Securities Administrator shall withdraw from the Trust
        Account the Class Distribution Amount for each Class and shall cause the
        Paying
        Agent to make the appropriate distributions to the Holders of each such Class.
        All distributions of such Class Distribution Amount that are made with respect
        to a particular Class shall be made pro
        rata
        among
        all Certificates of such class in proportion to their respective Certificate
        Balances, with no preference or priority of any kind. As among any Outstanding
        Exchange Classes, distributions shall be made to such Certificates, pro
        rata,
        in
        proportion to the Class Principal Balance of each such Class.

       

      Section
        3.04. Allocation
        of Realized Losses.
        On each
        Distribution Date, the Realized Loss Allocation Amount for each Exchange
        and
        Exchangeable Class shall be applied to such Class in reduction of the balances
        thereof.

       

      
        
          
          

        

        
          6

          
            

          

        

        
          
          

        

      

      ARTICLE
        IV

       

      LIMITATION
        OF LIABILITY

       

      The
        Trustee and the Securities Administrator shall be entitled to the same rights,
        protections and indemnities afforded to them under the Underlying Trust
        Agreement. The Trustee shall not be liable for any act or omission of the
        Securities Administrator under this Agreement.

       

      ARTICLE
        V

       

      THE
        TRUSTEE

       

      In
        the
        event that the Trustee, as holder of the REMIC Certificates, is requested
        to
        vote in respect of any matter arising under the Underlying Trust Agreement
        that
        requires the vote of Holders of Certificates outstanding thereunder, the
        Trustee
        shall vote such REMIC Certificates in such amounts and proportions as shall
        reflect instructions received from Holders of any Outstanding Exchange
        Certificates and Outstanding Exchangeable Certificates: provided, that
        absent receipt of such instructions, the Trustee shall abstain from voting.
        The
        Securities Administrator shall promptly notify the Holders of any outstanding
        Exchange Certificates of any such matter requiring their vote or
        consent.

       

      ARTICLE
        VI

       

      TERMINATION

       

      The
        respective obligations and responsibilities of the Securities Administrator
        and
        the Trustee shall terminate as to the Trust upon the same terms and conditions
        as the Underlying Trust pursuant to the Underlying Trust Agreement.

       

      ARTICLE
        VII

       

      SUPPLEMENTAL
        AGREEMENTS

       

      This
        Agreement may be amended or supplemented from time to time by the Depositor,
        the
        Securities Administrator and the Trustee upon the same terms and conditions
        as
        the Underlying Trust Agreement may be amended or supplemented.

       

      ARTICLE
        VIII

       

      MISCELLANEOUS

       

      Section
        8.01. Certificateholders.
        The
        death of incapacity of any Certificateholder shall neither operate to terminate
        this Agreement, nor entitle such Certificateholder’s legal representative or
        heirs to claim an accounting or to take any action or proceeding in any court
        for a partition or winding-up of the affairs of the Trust Fund, nor otherwise
        affect the rights, duties and obligations of any of the parties to this
        Agreement.

       

      Except
        as
        provided in Article V and Article VII, no Certificateholder shall have any
        right
        to vote or in any manner otherwise control the operation and management of
        the
        Trust Fund or the obligations of the parties hereto, nor shall anything herein
        set forth, or contained in the terms of the Certificates, be construed so
        as to
        constitute the Certificateholders from time to time as partners or members
        of an
        association; nor shall any Certificateholder be under any liability to any
        third
        person by reason of any action taken by the parties to this Agreement pursuant
        to any provision hereof.

       

      
        
          
          

        

        
          7

          
            

          

        

        
          
          

        

      

      No
        Certificateholder shall have any right, by virtue of any provision of this
        Agreement, to institute any suit, action or proceeding in equity or at law
        upon
        or under or with respect to this Agreement unless an Event of Default shall
        have
        occurred and be continuing in respect of this Agreement. It is understood
        and
        intended, and is expressly covenanted by each Certificateholder with every
        other
        Certificateholder and the Trustee, that no one or more Holders of Certificates
        shall have any right in any manner whatever by virtue of any provision of
        this
        Agreement to affect, disturb or prejudice the rights of the Holders of any
        other
        such Certificates, or to obtain or seek to obtain priority over or preference
        to
        any other such Holder, or to enforce any right under this Agreement, except
        in
        the manner herein provided and for the equal, ratable and common benefit
        of all
        Certificateholders. For the protection and enforcement of the provisions
        of the
        Section, each and every Certificateholder and the Trustee shall be entitled
        to
        such relief as can be given either at law or in equity.

       

      Section
        8.02. Governing
        Law.
        THIS
        AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS
        OF THE
        STATE OF NEW YORK, WITHOUT REFERENCE TO ITS CONFLICT OF LAW PROVISIONS (OTHER
        THAN SECTION 5-1401 OF THE GENERAL OBLIGATIONS LAW), AND THE OBLIGATIONS,
        RIGHTS
        AND REMEDIES OF THE PARTIES HEREUNDER SHALL BE DETERMINED IN ACCORDANCE WITH
        SUCH LAWS.

       

      Section
        8.03. Demands,
        Notices and Communications.
        All
        formal demands, notices and communications by and among the Trustee, the
        Securities Administrator, the Certificate Registrar, the Paying Agent and
        the
        Holder of any Certificate shall be in writing and delivered in person or
        by
        first class mail, postage prepaid, or by facsimile to the Trustee or Securities
        Administrator, as applicable, at its address or facsimile number set forth
        in
        the Underlying Trust Agreement. Any notice so mailed within the time prescribed
        in this Agreement shall be conclusively presumed to have been duly given
        whether
        or not the Person to whom such notice shall have been directed receives such
        notice.

       

      Section
        8.04. Severability
        of Provisions.
        If any
        one or more of the covenants, agreements, provisions or terms of this Agreement
        shall be for any reason whatsoever held invalid, then such covenants,
        agreements, provisions or terms shall be deemed severable from the remaining
        covenants, agreements, provisions or terms of this Agreement and shall in
        no way
        affect the validity or enforceability of the other provisions of this Agreement
        or of the Certificates or the rights of the Holders thereof.

       

      Section
        8.05. Tax
        Status and Reporting.
        (a) It
        is the intended that the Trust Fund created hereunder be considered a “grantor
        trust” under the Code and a WHFIT that is a WHMT. The Securities Administrator
        will report as required under the WHFIT Regulations to
        the
        extent such information as is reasonably necessary to enable the Securities
        Administrator to do so is
        provided to the Securities Administrator on a timely basis. The Securities
        Administrator can assume that the DTC is the only middleman listed as the
        registered holder for the related Certificates. The Securities Administrator
        shall not be liable for any tax reporting penalties that may arise under
        the
        WHFIT Regulations as
        a
        result of the Depositor incorrectly determining the status of the Trust Fund
        as
        a WHFIT.

       

      
        
          
          

        

        
          8

          
            

          

        

        
          
          

        

      

      (b)
        The
        Securities Administrator shall report required WHFIT information using the
        accrual method. The Securities Administrator shall make available WHFIT
        information to holders annually. In addition, the Securities Administrator
        will
        not be responsible or liable for providing subsequently amended, revised
        or
        updated information to any holder, unless requested by the holder.

       

      (c)
        The
        Securities Administrator shall not be liable for failure to meet the reporting
        requirements of the WHFIT Regulations nor for any penalties thereunder if
        such
        failure is due to: (i) the lack of reasonably necessary information being
        provided to the Securities Administrator, (ii) incomplete, inaccurate or
        untimely information being provided to the Securities Administrator or (iii)
        the
        inability of the Securities Administrator, after good faith efforts, to alter
        its existing information reporting systems to capture information necessary
        to
        fully comply with the WHFIT Regulations for the 2007 calendar year. Each
        owner
        of a Certificate representing, in whole or in part, beneficial ownership
        of an
        interest in a WHFIT, by acceptance of its interest in such Certificate, will
        be
        deemed to have agreed to provide the Securities Administrator with information
        regarding any sale of such Certificate, including the price, amount of proceeds
        and date of sale. Absent receipt of such information, and unless informed
        otherwise by the Depositor, the Securities Administrator may assume there
        is no
        secondary market trading of WHFIT interests.

       

      (d)
        To
        the extent required by the WHFIT Regulations, the Securities Administrator
        shall
        use reasonable efforts to publish on an appropriate website the CUSIPs for
        the
        Certificates that represent ownership of a WHFIT. The CUSIPs so published
        will
        represent the Rule 144A CUSIPs. The Securities Administrator shall make
        reasonable good faith efforts to keep the website accurate and updated to
        the
        extent CUSIPs have been received. Absent the receipt of a CUSIP, the Securities
        Administrator shall use a reasonable identifier number in lieu of a CUSIP.
        The
        Securities Administrator shall not be liable for investor reporting delays
        that
        result from the receipt of inaccurate or untimely CUSIP
        information.

       

      (e)
        For
        federal income tax purposes, the grantor trust created hereunder shall have
        a
        calendar year taxable year. The Securities Administrator shall prepare or
        cause
        to be prepared and shall file or cause to be filed with the Internal Revenue
        Service and applicable state or local tax authorities, income tax information
        returns for each taxable year with respect to the grantor trust.

       

      
        
          
          

        

        
          9

          
            

          

        

        
          
          

        

      

      IN
        WITNESS WHEREOF, the parties hereto hereby execute this Agreement, as of
        the day
        and year first above written.

       

      

       

      U.S.
        BANK
        NATIONAL ASSOCIATION

      solely
        in
        its capacity as Trustee

       

       

      By:___/s/
        David Duclos_____________

      Name:__David
        Duclos______________

      Title:__Vice
        President______________

       

      

       

      WELLS
        FARGO BANK, N.A.

      as
        Securities Administrator

       

       

      By:____/s/
        Martin Reed_____________

      Name:___Martin
        Reed______________

      Title:___Vice
        President______________

       

      

       

      STRUCTURED
        ASSET SECURITIES 

      CORPORATION

      in
        its
        capacity as Depositor

       

       

      By:____/s/
        Nicholas Stimola__________

      Name:_Nicholas
        Stimola_____________

      Title:_
        Vice
        President_______________

       

      

      
        
          
          

        

        
          10

          
            

          

        

        
          
          

        

      

      APPENDIX
        A

       

      Available
        Exchange Combinations

      

      
         

        
          	

                  Exchange
                    Certificates

                	 	

                  Exchangeable
                    Certificates

                

        

        
          
            
              	
                      Combination

                    	
                      Maximum
                        Initial Principal Balance/ 

                      Notional
                        Amount
                        (1)

                    	
                      Class

                    	
                      Maximum
                        Initial Principal Balance/ 

                      Notional
                        Amount
                        (1)

                    	
                      Principal
                        Type

                    	
                      Interest
                        Type

                    
	
                    

            

          

        

        
          	 	 	 	 	 	 
	
                  Combination
                    1

                	
                   

                	 	 	 	 
	
                  1-A1

                	
                  $62,310,000

                	
                  1-A3

                	
                  $65,360,000

                	
                  Senior,
                    Pass-Through

                	
                  Fixed
                    Rate

                
	
                  1-A2

                	
                  $
                    3,050,000

                	
                   

                	
                   

                	 	 
	 	
                   

                	
                   

                	
                   

                	 	 
	
                  Combination
                    2

                	
                   

                	
                   

                	
                   

                	 	
                   

                
	
                  2-A9

                	
                  $116,272,000

                	
                  2-A1

                	
                  $125,216,000

                	
                  Senior,
                    Pass-Through

                	
                  Fixed
                    Rate

                
	
                  2-A11

                	
                  $
                    8,944,000

                	
                   

                	
                   

                	 	
                   

                
	
                  2-A12

                	
                  $
                    80,496,000

                	
                   

                	
                   

                	 	 
	 	
                   

                	
                   

                	
                   

                	 	 
	
                  Combination
                    3

                	 	 	 	 	
                   

                
	
                  2-A3

                	
                  $
                    4,713,000

                	
                  2-A5 

                	
                   $129,929,000

                	
                  Senior,
                    Pass-Through

                	
                  Fixed
                    Rate

                
	
                  2-A9

                	
                  $116,272,000

                	
                   

                	
                   

                	 	
                   

                
	
                  2-A11

                	
                  $
                    8,944,000

                	 	 	 	 
	
                  2-A12

                	
                  $
                    80,496,000

                	 	 	 	 
	 	
                   

                	
                   

                	
                   

                	 	 
	
                  Combination
                    4

                	
                   

                	
                   

                	
                   

                	 	
                   

                
	
                  2-A2

                	
                  $44,000,000

                	
                  2-A6

                	
                  $47,442,000

                	
                  Senior,
                    Pass-Through

                	
                  Fixed
                    Rate

                
	
                  2-A4

                	
                  $
                    3,442,000

                	
                   

                	
                   

                	 	
                   

                
	 	 	
                   

                	
                   

                	 	 
	
                  Combination
                    5

                	
                   

                	
                   

                	
                   

                	 	
                   

                
	
                  2-A3

                	
                  $4,713,000

                	
                  2-A7

                	
                  $8,155,000

                	
                  Senior
                    Support, Pass-Through

                	
                  Fixed
                    Rate

                
	
                  2-A4

                	
                  $3,442,000

                	
                   

                	
                   

                	 	
                   

                
	 	 	
                   

                	
                   

                	 	 
	
                  Combination
                    6

                	
                   

                	
                   

                	
                   

                	 	
                   

                
	
                  1-A2

                	
                  $3,050,000

                	
                  2-A8

                	
                  $11,205,000

                	
                  Senior
                    Support, Pass-Through

                	
                  Weighted
                    Average Rate(2)

                
	
                  2-A3

                	
                  $4,713,000

                	 	 	 	 
	
                  2-A4

                	
                  $3,442,000

                	
                   

                	
                   

                	 	
                   

                
	 	 	
                   

                	
                   

                	 	 
	
                  Combination
                    7

                	
                   

                	
                   

                	
                   

                	 	
                   

                
	
                  2-A11

                	
                  $
                    8,944,000

                	
                  2-A10

                	
                  $8,944,000

                	
                  Super
                    Senior, Pass-Through

                	
                  Inverse
                    Floating Rate

                
	
                  2-A12

                	
                  $80,496,000

                	
                   

                	
                   

                	 	
                   

                
	 	 	
                   

                	
                   

                	 	 
	
                  Combination
                    8

                	
                   

                	
                   

                	
                   

                	 	
                   

                
	
                  3-A10

                	
                  $176,102,571

                	
                  3-A1

                	
                  $205,453,000

                	
                  Super
                    Senior, Pass-Through

                	
                  Fixed
                    Rate

                
	
                  3-A12

                	
                  $
                    29,350,429

                	 	 	 	 
	
                  3-A13

                	
                  $
                    58,700,857

                	
                   

                	
                   

                	 	
                   

                
	 	 	 	 	 	 
	
                  Combination
                    9

                	
                   

                	
                   

                	
                   

                	 	
                   

                
	
                  3-A4

                	
                  $30,000,000

                	
                  3-A2

                	
                  $51,362,000

                	
                  Senior
                    Mezzanine, Pass-Through

                	
                  Fixed
                    Rate

                
	
                  3-A5

                	
                  $14,240,000

                	 	 	 	 

        

         

        
          
            
            

          

          
            A-1

            
              

            

          

          
            
            

          

        

         

        
           

          
            	

                    Exchange
                      Certificates

                  	 	

                    Exchangeable
                      Certificates

                  

          

          
            	
                    Combination

                  	
                    Maximum
                      Initial Principal Balance/ 

                    Notional
                      Amount
                      (1)

                  	
                    Class

                  	
                    Maximum
                      Initial Principal Balance/ 

                    Notional
                      Amount
                      (1)

                  	
                    Principal
                      Type

                  	
                    Interest
                      Type

                  
	
                  

          

        

        
          	 	 	 	 	 	 
	
                  3-A6

                	
                  $
                    7,122,000

                	
                   

                	
                   

                	 	
                   

                
	 	 	
                   

                	
                   

                	 	 
	 	 	 	 	 	 
	
                  Combination
                    10

                	
                   

                	
                   

                	
                   

                	 	
                   

                
	
                  3-A5

                	
                  $14,240,000

                	
                  3-A7

                	
                  $21,362,000

                	
                  Senior
                    Mezzanine, Pass-Through

                	
                  Fixed
                    Rate

                
	
                  3-A6

                	
                  $
                    7,122,000

                	 	 	 	 
	 	 	
                   

                	
                   

                	 	
                   

                
	
                  Combination
                    11

                	
                   

                	
                   

                	
                   

                	 	
                   

                
	
                  3-A3

                	
                  $
                    37,668,000

                	
                  3-A9

                	
                  $294,483,000

                	
                  Senior,
                    Pass-Through

                	
                  Fixed
                    Rate

                
	
                  3-A4

                	
                  $
                    30,000,000

                	 	 	 	 
	
                  3-A5

                	
                  $
                    14,240,000

                	
                   

                	
                   

                	 	
                   

                
	
                  3-A6

                	
                  $
                    7,122,000

                	 	 	 	 
	
                  3-A10

                	
                  $176,102,571

                	
                   

                	
                   

                	 	 
	
                  3-A12

                	
                  $
                    29,350,429

                	 	 	 	 
	
                  3-A13

                	
                  $
                    58,700,857

                	
                   

                	
                   

                	 	 
	 	 	 	 	 	 
	
                  Combination
                    12

                	
                   

                	
                   

                	
                   

                	 	
                   

                
	
                  3-A12

                	
                  $
                    29,350,429

                	
                  3-A11

                	
                  $29,350,429

                	
                  Super
                    Senior, Pass-Through

                	
                  Inverse
                    Floating Rate

                
	
                  3-A13

                	
                  $
                    58,700,857

                	 	 	 	 
	 	 	 	 	 	 
	
                  Combination
                    13

                	
                   

                	
                   

                	
                   

                	 	
                   

                
	
                  4-A2

                	
                  $16,288,000

                	
                  4-A1

                	
                  $32,576,000

                	
                  Super
                    Senior, Pass-Through

                	
                  Fixed
                    Rate

                
	
                  4-A3

                	
                  $16,288,000

                	 	 	 	 
	 	 	 	 	 	 
	
                  Combination
                    14

                	
                   

                	
                   

                	
                   

                	 	
                   

                
	
                  4-A2

                	
                  $16,288,000

                	
                  4-A5

                	
                  $38,410,000

                	
                  Senior,
                    Pass-Through

                	
                  Fixed
                    Rate

                
	
                  4-A3

                	
                  $16,288,000

                	 	 	 	 
	
                  4-A4

                	
                  $
                    5,834,000

                	 	 	 	 
	 	 	 	 	 	 
	
                  Combination
                    15

                	
                   

                	
                   

                	
                   

                	 	
                   

                
	
                  AP2

                	
                  $
                    950,330

                	
                  AP4

                	
                  $3,528,003

                	
                  Senior,
                    Ratio-Strip, Principal-Only

                	
                  Not
                    Applicable

                
	
                  AP3

                	
                  $2,577,673

                	 	 	 	 

        

         

      

      
        	
                (1)

              	
                Exchange
                  Certificates and Exchangeable Certificates in any combination may
                  be
                  exchanged only in the proportion that the maximum initial principal
                  balances or notional amounts of such certificates bear to one another
                  as
                  shown above.

              

      

      
        	
                (2)

              	
                The
                  weighted average rate applicable to this formula will be based
                  on the
                  weighted average of the certificate interest rates of the related
                  Exchange
                  Certificates.

              

      

      
        
          
          

        

        
          A-2

          
            

          

        

        
          
          

        

      

      

      EXHIBIT
        I

      

      FORM
        OF EXCHANGE LETTER

      

      

      

      

      ___,
        20__

      

      

      Wells
        Fargo Bank, N.A.

      Sixth
        Street and Marquette Avenue

      Minneapolis,
        Minnesota 55479

      Attention:
        Corporate Trust Services, LMT 2007-10

      

      

      
        	
                Re:

              	Lehman Mortgage
                Trust 2007-10,
	 	Mortgage Pass-Through Certificates,
                Series 2007-10

      

       

      Ladies
        and Gentlemen:

      

      Pursuant
        to the terms of the Exchange Trust Agreement dated as of November 1, 2007
        (the
“Trust
        Agreement”),
        by
        and among Structured Asset Securities Corporation, as depositor, Wells Fargo
        Bank, N.A., as securities administrator (the “Securities
        Administrator”)
        and
        U.S. Bank National Association, as trustee (the “Trustee”),
        we
        hereby present and surrender the Certificates specified on Schedule
        I
        attached
        hereto and transfer, assign, set over and otherwise convey to the Trustee,
        all
        of our right, title and interest in and to such Certificates, including all
        payments of interest thereon received after [___________], 2007, in exchange
        for
        the related Certificates specified on Schedule
        I
        attached
        hereto. 

       

      We
        agree
        that upon such exchange the portions of the Certificates designated for exchange
        shall be deemed cancelled and replaced by the Certificates issued in exchange
        therefor. We confirm that we have paid a fee to the Securities Administrator
        in
        connection with such exchange equal to $5,000.

       

      
        
          
          

        

        
          I-1

          
            

          

        

        
          
          

        

      

      Sincerely,

      

      

      

      By:
              

      Name:
        

      Title:
        

      

      Acknowledged
        by:

      

      WELLS
        FARGO BANK, N.A., 

      as
        Securities Administrator

      

      

      By:
              

      Name:
        

      Title:

      

      
        
          
          

        

        
          I-2

          
            

          

        

        
          
          

        

      

      SCHEDULE
        I

      

      [insert
        the information as to the Exchange Class(es) and Exchangeable Class(es) to
        be
        exchanged required by Section 2.04 of the Agreement]

      
        
          
          

        

        
          I-3

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