FIRST
      HORIZON ASSET SECURITIES INC.

     

    Depositor

     

    FIRST
      HORIZON HOME LOAN CORPORATION

     

    Master
      Servicer

     

    and

     

    THE
      BANK
      OF NEW YORK

     

    Trustee

     

      
        

      

    

     

    POOLING
      AND SERVICING AGREEMENT

     

    Dated
      as
      of December 1, 2006

     

      
        

      

    

     

    FIRST
      HORIZON MORTGAGE PASS-THROUGH TRUST 2006-4

     

    MORTGAGE
      PASS-THROUGH CERTIFICATES, SERIES 2006-4

     

    
      
        
        

      

      
        
        

        
          

        

      

      
        
        


    

     

    
      TABLE
        OF
        CONTENTS

       

    

    
      
        	 	
                Page

              
	
                ARTICLE
                  I DEFINITIONS

              	
                6

              
	 	 
	
                ARTICLE
                  II CONVEYANCE OF MORTGAGE LOANS; REPRESENTATIONS
                  AND WARRANTIES

              	
                43

              
	
                SECTION
                  2.1 Conveyance of Mortgage Loans.

              	
                43

              
	
                SECTION
                  2.2 Acceptance by Trustee of the Mortgage Loans.

              	
                47

              
	
                SECTION
                  2.3 Representations and Warranties of the Master Servicer; Covenants
                  of the Seller.

              	
                49

              
	
                SECTION
                  2.4 Representations and Warranties of the Depositor as to the Mortgage
                  Loans.

              	
                51

              
	
                SECTION
                  2.5 Delivery of Opinion of Counsel in Connection with
                  Substitutions.

              	
                52

              
	
                SECTION
                  2.6 Execution and Delivery of Certificates.

              	
                52

              
	
                SECTION
                  2.7 REMIC Matters.

              	
                52

              
	
                SECTION
                  2.8 Covenants of the Master Servicer.

              	
                58

              
	 	 
	
                ARTICLE
                  III ADMINISTRATION AND SERVICING OF MORTGAGE LOANS

              	
                58

              
	
                SECTION
                  3.1 Master Servicer to Service Mortgage Loans.

              	
                58

              
	
                SECTION
                  3.2 Subservicing; Enforcement of the Obligations of
                  Servicers.

              	
                59

              
	
                SECTION
                  3.3 Rights of the Depositor and the Trustee in Respect of the Master
                  Servicer.

              	
                60

              
	
                SECTION
                  3.4 Trustee to Act as Master Servicer.

              	
                60

              
	
                SECTION
                  3.5 Collection of Mortgage Loan Payments; Certificate Account;
                  Distribution Account.

              	
                61

              
	
                SECTION
                  3.6 Collection of Taxes, Assessments and Similar Items; Escrow
                  Accounts.

              	
                64

              
	
                SECTION
                  3.7 Access to Certain Documentation and Information Regarding the
                  Mortgage
                  Loans.

              	
                65

              
	
                SECTION
                  3.8 Permitted Withdrawals from the Certificate Account and Distribution
                  Account.

              	
                65

              
	
                SECTION
                  3.9 Maintenance of Hazard Insurance; Maintenance of Primary Insurance
                  Policies.

              	
                67

              
	
                SECTION
                  3.10 Enforcement of Due-on-Sale Clauses; Assumption
                  Agreements.

              	
                68

              
	
                SECTION
                  3.11 Realization Upon Defaulted Mortgage Loans; Repurchase of Certain
                  Mortgage Loans.

              	
                70

              
	
                SECTION
                  3.12 Trustee to Cooperate; Release of Mortgage Files.

              	
                72

              
	
                SECTION
                  3.13 Documents Records and Funds in Possession of Master Servicer
                  to be
                  Held for the 

                Trustee.

              	
                73

              
	
                SECTION
                  3.14 Master Servicing Compensation.

              	
                73

              
	
                SECTION
                  3.15 Access to Certain Documentation.

              	
                74

              
	
                SECTION
                  3.16 Annual Statement as to Compliance.

              	
                74

              
	
                SECTION
                  3.17 Errors and Omissions Insurance; Fidelity Bonds.

              	
                75

              
	 	 
	
                ARTICLE
                  IV DISTRIBUTIONS AND ADVANCES BY THE MASTER SERVICER

              	
                75

              
	
                SECTION
                  4.1 Advances.

              	
                75

              
	
                SECTION
                  4.2 Priorities of Distribution.

              	
                76

              
	
                SECTION
                  4.3 Method of Distribution.

              	
                83

              
	
                SECTION
                  4.4 Allocation of Losses.

              	
                84

              


      

       

      
        
          
          

        

        
          i

          
            

          

        

        
          
          

        

      

       

      
        	
                SECTION
                  4.5 Reserved.

              	
                87

              
	
                SECTION
                  4.6 Monthly Statements to Certificateholders.

              	
                87

              
	
                SECTION
                  4.7 Reserve Funds

              	
                89

              
	
                SECTION
                  4.8 Separate Interest Trust.

              	
                89

              
	
                SECTION
                  4.9 Determination of Pass-Through Rates for LIBOR
                  Certificates.

              	
                90

              
	 	 
	
                ARTICLE
                  V THE CERTIFICATES

              	
                92

              
	
                SECTION
                  5.1 The Certificates.

              	
                92

              
	
                SECTION
                  5.2 Certificate Register; Registration of Transfer and Exchange
                  of
                  Certificates.

              	
                92

              
	
                SECTION
                  5.3 Mutilated, Destroyed, Lost or Stolen Certificates.

              	
                99

              
	
                SECTION
                  5.4 Persons Deemed Owners.

              	
                100

              
	
                SECTION
                  5.5 Access to List of Certificateholders’ Names and
                  Addresses.

              	
                100

              
	
                SECTION
                  5.6 Maintenance of Office or Agency.

              	
                100

              
	 	 
	
                ARTICLE
                  VI THE DEPOSITOR AND THE MASTER SERVICER

              	
                100

              
	
                SECTION
                  6.1 Respective Liabilities of the Depositor and the Master
                  Servicer.

              	
                100

              
	
                SECTION
                  6.2 Merger or Consolidation of the Depositor or the Master
                  Servicer.

              	
                100

              
	
                SECTION
                  6.3 Limitation on Liability of the Depositor, the Master Servicer
                  and
                  Others.

              	
                101

              
	
                SECTION
                  6.4 Limitation on Resignation of Master Servicer.

              	
                102

              
	 	 
	
                ARTICLE
                  VII DEFAULT

              	
                102

              
	
                SECTION
                  7.1 Events of Default.

              	
                102

              
	
                SECTION
                  7.2 Trustee to Act; Appointment of Successor.

              	
                104

              
	
                SECTION
                  7.3 Notification to Certificateholders.

              	
                106

              
	 	 
	
                ARTICLE
                  VIII CONCERNING THE TRUSTEE

              	
                106

              
	
                SECTION
                  8.1 Duties of Trustee.

              	
                106

              
	
                SECTION
                  8.2 Certain Matters Affecting the Trustee.

              	
                108

              
	
                SECTION
                  8.3 Trustee Not Liable for Certificates or Mortgage Loans.

              	
                109

              
	
                SECTION
                  8.4 Trustee May Own Certificates.

              	
                110

              
	
                SECTION
                  8.5 Trustee’s Fees and Expenses.

              	
                110

              
	
                SECTION
                  8.6 Eligibility Requirements for Trustee.

              	
                110

              
	
                SECTION
                  8.7 Resignation and Removal of Trustee.

              	
                111

              
	
                SECTION
                  8.8 Successor Trustee.

              	
                112

              
	
                SECTION
                  8.9 Merger or Consolidation of Trustee.

              	
                112

              
	
                SECTION
                  8.10 Appointment of Co-Trustee or Separate Trustee.

              	
                113

              
	
                SECTION
                  8.11 Tax Matters.

              	
                114

              
	 	 
	
                ARTICLE
                  IX TERMINATION

              	
                116

              
	
                SECTION
                  9.1 Termination upon Liquidation or Purchase of all Mortgage
                  Loans.

              	
                116

              
	
                SECTION
                  9.2 Final Distribution on the Certificates.

              	
                117

              
	
                SECTION
                  9.3 Additional Termination Requirements.

              	
                118

              
	 	 
	
                ARTICLE
                  X EXCHANGE ACT REPORTING

              	
                119

              
	
                SECTION
                  10.1 Filing Obligations.

              	
                119

              
	
                SECTION
                  10.2 Form 10-D Filings.

              	
                119

              
	
                SECTION
                  10.3 Form 8-K Filings.

              	
                120

              
	
                SECTION
                  10.4 Form 10-K Filings.

              	
                120

              
	
                SECTION
                  10.5 Sarbanes-Oxley Certification.

              	
                121

              
	
                SECTION
                  10.6 Form 15 Filing.

              	
                122

              


      

       

      
        
          
          

        

        
          ii

          
            

          

        

        
          
          

        

      

       

      
        	
                SECTION
                  10.7 Report on Assessment of Compliance and Attestation.

              	
                122

              
	
                SECTION
                  10.8 Use of Subservicers and Subcontractors.

              	
                123

              
	
                SECTION
                  10.9 Amendments.

              	
                124

              
	 	 
	
                ARTICLE
                  XI MISCELLANEOUS PROVISIONS

              	
                124

              
	
                SECTION
                  11.1 Amendment.

              	
                124

              
	
                SECTION
                  11.2 Recordation of Agreement; Counterparts.

              	
                126

              
	
                SECTION
                  11.3 Governing Law.

              	
                126

              
	
                SECTION
                  11.4 Intention of Parties.

              	
                126

              
	
                SECTION
                  11.5 Notices.

              	
                127

              
	
                SECTION
                  11.6 Severability of Provisions.

              	
                128

              
	
                SECTION
                  11.7 Assignment.

              	
                128

              
	
                SECTION
                  11.8 Limitation on Rights of Certificateholders.

              	
                128

              
	
                SECTION
                  11.9 Inspection and Audit Rights.

              	
                129

              
	
                SECTION
                  11.10 Certificates Nonassessable and Fully Paid.

              	
                129

              
	
                SECTION
                  11.11 Limitations on Actions; No Proceedings.

              	
                129

              
	
                SECTION
                  11.12 Acknowledgment of Seller.

              	
                130

              


      

      
         

        
          SCHEDULES


          
            	
                    Schedule
                      I:

                  	
                    Mortgage
                      Loan Schedule

                  	
                    I-1

                  
	
                    Schedule
                      II:

                  	
                    Representations
                      and Warranties of the Master Servicer

                  	
                    II-1

                  
	
                    Schedule
                      III:

                  	
                    Form
                      of Monthly Master Servicer Report

                  	
                    III-1

                  


          

           

            EXHIBITS

             

          

          
            	
                    Exhibit
                      A-1:

                  	
                    Form
                      of Senior Certificate

                  	
                    A-1-1

                  
	
                    Exhibit
                      A-2:

                  	
                    Form
                      of Senior Certificate/Class I-A-PO/Class II-A-PO
                      Certificate

                  	
                    A-2-5

                  
	
                    Exhibit
                      B:

                  	
                    Form
                      of Subordinated Certificate

                  	
                    B-1

                  
	
                    Exhibit
                      C:

                  	
                    Form
                      of Residual Certificate

                  	
                    C-1

                  
	
                    Exhibit
                      D:

                  	
                    Form
                      of Reverse of Certificates

                  	
                    D-1

                  
	
                    Exhibit
                      E:

                  	
                    Form
                      of Initial Certification

                  	
                    E-1

                  
	
                    Exhibit
                      F:

                  	
                    Form
                      of Delay Delivery Certification

                  	
                    F-1

                  
	
                    Exhibit
                      G:

                  	
                    Form
                      of Subsequent Certification of Custodian

                  	
                    G-1

                  
	
                    Exhibit
                      H:

                  	
                    Transfer
                      Affidavit

                  	
                    H-1

                  
	
                    Exhibit
                      I:

                  	
                    Form
                      of Transferor Certificate

                  	
                    I-1

                  
	
                    Exhibit
                      J:

                  	
                    Form
                      of Investment Letter [Non-Rule 144A]

                  	
                    J-1

                  
	
                    Exhibit
                      K:

                  	
                    Form
                      of Rule 144A Letter

                  	
                    K-1

                  
	
                    Exhibit
                      L:

                  	
                    Request
                      for Release (for Trustee)

                  	
                    L-1

                  
	
                    Exhibit
                      M:

                  	
                    Request
                      for Release (Mortgage Loan)

                  	
                    M-1

                  
	
                    Exhibit
                      N-1:

                  	
                    Form
                      of Annual Certification (Subservicer)

                  	
                    N-1-1

                  
	
                    Exhibit
                      N-2:

                  	
                    Form
                      of Annual Certification (Trustee)

                  	
                    N-2-1

                  
	
                    Exhibit
                      O:

                  	
                    Form
                      of Servicing Criteria to be Addressed in Assessment of
                      Compliance

                  	
                    O-1

                  
	
                    Exhibit
                      P:

                  	
                    List
                      of Item 1119 Parties

                  	
                    P-1

                  
	
                    Exhibit
                      Q:

                  	
                    Form
                      of Sarbanes-Oxley Certification

                  	
                    Q-1

                  


          

        

         

        
          
          

        

        
          iii

          
            

          

        

        
          
          

        

         

      

    

    THIS
      POOLING AND SERVICING AGREEMENT, dated as of December 1, 2006, among FIRST
      HORIZON ASSET SECURITIES INC., a Delaware corporation, as depositor (the
“Depositor”), FIRST HORIZON HOME LOAN CORPORATION, a Kansas corporation, as
      master servicer (the “Master Servicer”), and THE BANK OF NEW YORK, a banking
      corporation organized under the laws of the State of New York, as trustee (the
      “Trustee”).

     

    WITNESSETH
      THAT

     

    In
      consideration of the mutual agreements herein contained, the parties hereto
      agree as follows:

     

    PRELIMINARY
      STATEMENT

     

    The
      Depositor is the owner of the Trust Fund that is hereby conveyed to the Trustee
      in return for the Certificates. The Trust Fund for federal income tax purposes
      will consist of three separate REMICs, each having assets as provided herein.
      The Certificates will represent the entire beneficial ownership interest in
      the
      Trust Fund. The Regular Certificates will represent “regular interests” in the
      Upper REMIC. The Class I-A-R Certificates will represent the residual interests
      in the Lower REMIC, Middle REMIC and Upper REMIC, as described in Section 2.7.
      The “latest possible maturity date” for federal income tax purposes of each
      REMIC regular interest created hereby will be the Latest Possible Maturity
      Date.

     

    The
      following table sets forth characteristics of the Certificates, together with
      the minimum denominations and integral multiples in excess thereof in which
      such
      Classes shall be issuable (except that one Certificate of each Class of
      Certificates may be issued in a different amount and, in addition, one Residual
      Certificate representing the Tax Matters Person Certificate may be issued in
      a
      different amount):


     

    [Remainder
      of Page Intentionally Left Blank]

     

    
      
        
        

      

      
        1

        
          

        

      

      
        
        

      

    

     

    
      
        	
                Class
                  Designation

              	 	
                Initial
                  Class 

                Certificate
                  Balance / Notional Amount

              	 	
                Pass-Through
                  Rate

              	 	
                Minimum
                  Denominations

              	 	
                Integral
                  Multiples in Excess Minimum

              	 	
                Final
                  Scheduled Distribution 

                Date(1)

              	 
	
                Class
                  I-A-1

              	 	
                $

              	
                100,000,000.00

              	 	 	
                6.000

              	
                %(2)

              	
                $

              	
                25,000

              	 	
                $

              	
                1,000

              	 	 	
                February
                  2037

              	 
	
                Class
                  I-A-2

              	 	
                $

              	
                32,604,000.00

              	 	 	
                5.750

              	
                %

              	
                $

              	
                25,000

              	 	
                $

              	
                1,000

              	 	 	
                February
                  2037

              	 
	
                Class
                  I-A-3

              	 	
                $

              	
                3,897,000.00

              	 	 	
                6.000

              	
                %

              	
                $

              	
                25,000

              	 	
                $

              	
                1,000

              	 	 	
                February
                  2037

              	 
	
                Class
                  I-A-4

              	 	
                $

              	
                6,619,875.00

              	
                (3)

              	 	
                6.000

              	
                %

              	
                $

              	
                500,000

              	 	
                $

              	
                1,000

              	 	 	
                February
                  2037

              	 
	
                Class
                  I-A-5

              	 	
                $

              	
                30,825,000.00

              	 	 	
                5.500

              	
                %

              	
                $

              	
                25,000

              	 	
                $

              	
                1,000

              	 	 	
                February
                  2037

              	 
	
                Class
                  I-A-6

              	 	
                $

              	
                65,000,000.00

              	 	 	
                5.750

              	
                %

              	
                $

              	
                25,000

              	 	
                $

              	
                1,000

              	 	 	
                February
                  2037

              	 
	
                Class
                  I-A-7

              	 	
                $

              	
                30,825,000.00

              	 	 	
                6.000

              	
                %

              	
                $

              	
                25,000

              	 	
                $

              	
                1,000

              	 	 	
                February
                  2037

              	 
	
                Class
                  I-A-8

              	 	
                $

              	
                4,935,000.00

              	 	 	
                5.750

              	
                %

              	
                $

              	
                25,000

              	 	
                $

              	
                1,000

              	 	 	
                February
                  2037

              	 
	
                Class
                  I-A-9

              	 	
                $

              	
                26,111,000.00

              	 	 	
                5.750

              	
                %

              	
                $

              	
                25,000

              	 	
                $

              	
                1,000

              	 	 	
                February
                  2037

              	 
	
                Class
                  I-A-10

              	 	
                $

              	
                1,181,000.00

              	 	 	
                5.750

              	
                %

              	
                $

              	
                25,000

              	 	
                $

              	
                1,000

              	 	 	
                February
                  2037

              	 
	
                Class
                  I-A-11

              	 	
                $

              	
                3,897,000.00

              	 	 	
                6.000

              	
                %

              	
                $

              	
                25,000

              	 	
                $

              	
                1,000

              	 	 	
                February
                  2037

              	 
	
                Class
                  I-A-12

              	 	
                $

              	
                10,000.00

              	 	 	
                6.000

              	
                %

              	
                $

              	
                25,000

              	 	
                $

              	
                1,000

              	 	 	
                February
                  2037

              	 
	
                Class
                  I-A-13

              	 	
                $

              	
                10,000.00

              	 	 	
                6.000

              	
                %

              	
                $

              	
                25,000

              	 	
                $

              	
                1,000

              	 	 	
                February
                  2037

              	 
	
                Class
                  I-A-14

              	 	
                $

              	
                1,358,500.00

              	
                (4)

              	 	
                6.000

              	
                %

              	
                $

              	
                500,000

              	 	
                $

              	
                1,000

              	 	 	
                February
                  2037

              	 
	
                Class
                  I-A-15

              	 	
                $

              	
                46,345,000.00

              	 	 	
                6.000

              	
                %

              	
                $

              	
                25,000

              	 	
                $

              	
                1,000

              	 	 	
                February
                  2037

              	 
	
                Class
                  I-A-16

              	 	
                $

              	
                1,806,000.00

              	 	 	
                6.000

              	
                %

              	
                $

              	
                25,000

              	 	
                $

              	
                1,000

              	 	 	
                February
                  2037

              	 
	
                Class
                  I-A-17

              	 	
                $

              	
                3,335,000.00

              	 	 	
                6.000

              	
                %

              	
                $

              	
                1,000

              	 	
                $

              	
                1,000

              	 	 	
                February
                  2037

              	 
	
                Class
                  I-A-PO

              	 	
                $

              	
                545,739.27

              	 	 	
                N/A

              	
                (5)

              	
                $

              	
                25,000

              	 	
                $

              	
                1,000

              	 	 	
                February
                  2037

              	 
	
                Class
                  I-A-R

              	 	
                $

              	
                100.00

              	 	 	
                6.000

              	
                %

              	
                $

              	
                100

              	 	 	
                N/A

              	 	 	
                February
                  2037

              	 
	
                Class
                  II-A-1

              	 	
                $

              	
                20,209,000.00

              	 	 	
                5.500

              	
                %

              	
                $

              	
                25,000

              	 	
                $

              	
                1,000

              	 	 	
                January
                  2022

              	 
	
                Class
                  II-A-PO

              	 	
                $

              	
                43,688.14

              	 	 	
                N/A

              	
                (5)

              	
                $

              	
                25,000

              	 	
                $

              	
                1,000

              	 	 	
                January
                  2022

              	 
	
                Class
                  B-1

              	 	
                $

              	
                9,265,000.00

              	 	 	
                5.973

              	
                %(6)

              	
                $

              	
                100,000

              	 	
                $

              	
                1,000

              	 	 	
                February
                  2037

              	 
	
                Class
                  B-2

              	 	
                $

              	
                2,124,000.00

              	 	 	
                5.973

              	
                %(6)

              	
                $

              	
                100,000

              	 	
                $

              	
                1,000

              	 	 	
                February
                  2037

              	 
	
                Class
                  B-3

              	 	
                $

              	
                1,158,000.00

              	 	 	
                5.973

              	
                %(6)

              	
                $

              	
                100,000

              	 	
                $

              	
                1,000

              	 	 	
                February
                  2037

              	 
	
                Class
                  B-4

              	 	
                $

              	
                772,000.00

              	 	 	
                5.973

              	
                %(6)

              	
                $

              	
                100,000

              	 	
                $

              	
                1,000

              	 	 	
                February
                  2037

              	 
	
                Class
                  B-5

              	 	
                $

              	
                579,000.00

              	 	 	
                5.973

              	
                %(6)

              	
                $

              	
                100,000

              	 	
                $

              	
                1,000

              	 	 	
                February
                  2037

              	 
	
                Class
                  B-6

              	 	
                $

              	
                579,670.52

              	 	 	
                5.973

              	
                %(6)

              	
                $

              	
                100,000

              	 	
                $

              	
                1,000

              	 	 	
                February
                  2037

              	 


      

    

     

    (1)
      The
      actual
      final payment on the Certificates could occur earlier or later than the Final
      Scheduled Distribution Date.

     

    (2)
      For
      any
      Distribution Date on or prior to the Distribution Date in September 2013, any
      payments on the Class I-A-1 Certificates in excess of the maximum pass-through
      rate of 6.00% per annum will be payable solely from the Corridor Contract.
      For
      any Distribution Date after the Distribution Date in September 2013, interest
      will accrue on the Class I-A-1 Certificates at a per annum rate equal to 6.00%
      per annum. There will be no extra payments from the Corridor Contract after
      the
      Distribution Date in September 2013. As of the first Distribution Date, the
      holders of the Class I-A-1 Certificates will receive the per annum initial
      annual pass-through rate of 6.00% plus payments payable from the Corridor
      Contract, to the extent that LIBOR is greater than 5.50%. In addition, for
      any
      Distribution Date on or prior to the Distribution Date in September 2013,
      interest will accrue on the Class I-A-1 Certificates at a per annum rate equal
      to (i) LIBOR plus (ii) 0.50%, subject to a maximum and minimum rate of 6.00%
      per
      annum.

     

    
      
        
        

      

      
        2

        
          

        

      

      
        
        

      

    

     

    (3)
      The
      Class
      I-A-4 Certificates are Notional Amount Certificates. The Notional Amount of
      the
      Class I-A-4 Certificates on any Distribution Date will be equal to the sum
      of
      (x) the Class Certificate Balance of the Class I-A-5 Certificates times a
      fraction of which the numerator is 0.50% and the denominator is 6.00% and (y)
      the sum of the Class Certificate Balances of the Class I-A-6, Class I-A-8,
      Class
      I-A-9 and Class I-A-10 Certificates times a fraction of which the numerator
      is
      0.25% and the denominator is 6.00%.

     

    (4)
      The
      Class
      I-A-14 Certificates are Notional Amount Certificates. The Notional Amount of
      the
      Class I-A-14 Certificates on any Distribution Date will be equal to the Class
      Certificate Balance of the Class I-A-2 Certificates times a fraction of which
      the numerator is 0.25% and the denominator is 6.00%.

     

    (5)
      The Class
      I-A-PO and Class II-A-PO Certificates are Principal Only Certificates and will
      not accrue interest.

     

    (6)
      The
      Pass-Through Rate on each Class of Subordinated Certificates is variable and
      will be equal to the weighted average of the Designated Mortgage Pool Rates,
      weighted on the basis of the Group Subordinate Amount for each Mortgage Pool.
      The initial Pass-Through Rate on each Class of Subordinated Certificates for
      the
      first Interest Accrual Period will be 5.973% per annum.

     

    
      
        
        

      

      
        3

        
          

        

      

      
        
        

      

    

     

    
      	
              Accretion
                Directed Certificates

            	
              The
                Class I-A-1, Class I-A-11 and Class I-A-12
                Certificates.

            
	
              Accrual
                Certificates

            	
              The
                Class I-A-12 and Class I-A-13 Certificates.

            
	
              Accrual
                Components

            	
              None.

            
	
              Book-Entry
                Certificates

            	
              All
                Classes of Certificates other than the Physical
                Certificates.

            
	
              Certificate
                Group

            	
              With
                respect to Pool I, the Group I Senior Certificates, and with respect
                to
                Pool II, the Group II Senior Certificates. The Subordinated Certificates
                correspond to both of the Mortgage Pools.

            
	
              COFI
                Certificates

            	
              None.

            
	
              Component
                Certificates

            	
              None.

            
	
              Components

            	
              None.

            
	
              Delay
                Certificates

            	
              All
                interest-bearing Classes of Certificates other than the Non-Delay
                Certificates, if any.

            
	
              ERISA-Restricted
                Certificates

            	
              The
                Residual Certificates, Private Certificates and Certificates of any
                Class
                that no longer satisfy the applicable rating requirement of the
                Underwriters’ Exemption.

            
	
              ERISA
                Restricted Yield Supplemented Certificates

            	
              None.

            
	
              Floating
                Rate Certificates

            	
              The
                Class I-A-1 Certificates.

            
	
              Group
                I Senior Certificates

            	
              The
                Class I-A-1, Class I-A-2, Class I-A-3, Class I-A-4, Class I-A-5,
                Class
                I-A-6, Class I-A-7, Class I-A-8, Class I-A-9, Class I-A-10, Class
                I-A-11,
                Class I-A-12, Class I-A-13, Class I-A-14, Class I-A-15, Class I-A-16,
                Class I-A-17 Class I-A-PO and Class I-A-R Certificates.

            
	
              Group
                II Senior Certificates

            	
              The
                Class II-A-1 and Class II-A-PO Certificates.

            
	
              Inverse
                Floating Rate Certificates

            	
               

              None.

            
	
              LIBOR
                Certificates

            	
              The
                Class I-A-1 Certificates.

            
	
              NAS
                Certificates

            	
              The
                Class I-A-2 and Class I-A-3 Certificates.

            
	
              Non-Delay
                Certificates

            	
              The
                LIBOR Certificates.

            
	
              Notional
                Amount Certificates

            	
              The
                Class I-A-4 and Class I-A-14 Certificates.

            
	
              Offered
                Certificates

            	
              All
                Classes of Certificates other than the Private
                Certificates.

            
	
              Physical
                Certificates

            	
              The
                Private Certificates and the Residual Certificates.

            
	
              PAC
                Certificates

            	
              The
                Class I-A-5, Class I-A-6, Class I-A-7, Class I-A-8, Class I-A-9 and
                Class
                I-A-10 Certificates.

            
	
              Principal
                Only Certificates

            	
              The
                Class I-A-PO and Class II-A-PO Certificates.

            
	
              Private
                Certificates

            	
              The
                Class I-A-PO, Class II-A-PO, Class B-4, Class B-5 and Class B-6
                Certificates.

            


    

     

    
      
        
        

      

      
        4

        
          

        

      

      
        
        

      

    

     

    
      	
              Rating
                Agencies

            	
              Fitch
                and S&P; except for the purposes of the Class B-1, Class B-2, Class
                B-3, Class B-4 and Class B-5 Certificates, Fitch shall be the sole
                Rating
                Agency. The Class B-6 Certificates will not be rated.

            
	
              Regular
                Certificates

            	
              All
                Classes of Certificates, other than the Residual
                Certificates.

            
	
              Residual
                Certificates

            	
              The
                Class I-A-R Certificates.

            
	
               

              Retail
                Certificates

            	
               

              The
                Class I-A-17 Certificates. 

            
	
              Scheduled
                Certificates

            	
              None.

            
	
              Senior
                Certificates

            	
              The
                Group I Senior Certificates and Group II Senior Certificates,
                collectively.

            
	
              Senior
                Mezzanine Certificates

            	
              The
                Class I-A-3, Class I-A-8 and Class I-A-16 Certificates.

            
	
              Subordinated
                Certificates

            	
              The
                Class B-1, Class B-2, Class B-3, Class B-4, Class B-5 and Class B-6
                Certificates.

            
	
              Super
                Senior Certificates

            	
              The
                Class I-A-1, Class I-A-5, Class I-A-6, Class I-A-7 and Class I-A-15
                Certificates.

            
	
              Support
                Classes

            	
              The
                Class I-A-1, Class I-A-11, Class I-A-12 and Class
                I-A-13.

            
	
              TAC
                Certificates

            	
              The
                Class I-A-1, Class I-A-11 and Class I-A-12 Certificates.
                

            
	
              Underwriter

            	
              Banc
                of America Securities LLC

            


    

     

    With
      respect to any of the foregoing designations as to which the corresponding
      reference is “None,” all defined terms and provisions herein relating solely to
      such designations shall be of no force or effect, and any calculations herein
      incorporating references to such designations shall be interpreted without
      reference to such designations and amounts. Defined terms and provisions herein
      relating to statistical rating agencies not designated above as Rating Agencies
      shall be of no force or effect.

     

    
      
        
        

      

      
        5

        
          

        

      

      
        
        

      

    

     

    ARTICLE
      I

    DEFINITIONS

     

    Whenever
      used in this Agreement, the following words and phrases, unless the context
      otherwise requires, shall have the following meanings:

     

    Accretion
      Directed Certificates: As specified in the Preliminary Statement. 

     

    Accretion
      Termination Date: For the classes of Accrual Certificates, the earlier of (x)
      the Cross-over Date and (y) the Distribution Date on which (i) the Class
      Certificate Balances of the Class I-A-1 and Class I-A-11 Certificates have
      each
      been reduced to zero (in the case of the Class I-A-12 Certificates) or (ii)
      the
      Class Certificate Balances of the Class I-A-1, Class I-A-11 and Class I-A-12
      Certificates have each been reduced to zero (in the case of the Class I-A-13
      Certificates).

     

    Accrual
      Amount: For each Distribution Date through the applicable Accretion Termination
      Date and each class of Accrual Certificates, an amount equal to the sum of
      (a)
      Accrued Certificate Interest in respect of such class of Accrual Certificates
      in
      accordance with clause (i) of Section 4.2(a) and (b) amounts allocable to such
      class of Accrual Certificates in accordance with clause (ii) of Section 4.2(a),
      in each case on such Distribution Date.

     

    Accrual
      Certificates: As specified in the Preliminary Statement.

     

    Accrued
      Certificate Interest: For any Class of Certificates entitled to distributions
      of
      interest for any Distribution Date, the interest accrued during the related
      Interest Accrual Period at the applicable Pass-Through Rate on the Class
      Certificate Balance (or Notional Amount, in the case of the Notional Amount
      Certificates) of such Class of Certificates immediately prior to such
      Distribution Date, less such Class’ share of any Net Interest Shortfall
      allocable between the outstanding Classes of Certificates based on the Accrued
      Certificate Interest otherwise distributable thereto.

     

    Additional
      Designated Information: As defined in Section 10.2. 

     

    Adjusted
      Mortgage Rate: As to each Mortgage Loan, and at any time, the per annum rate
      equal to the Mortgage Rate less the Master Servicing Fee Rate.

     

    Adjusted
      Net Mortgage Rate: As to each Mortgage Loan, and at any time, the per annum
      rate
      equal to the Mortgage Rate less the related Expense Fee Rate.

     

    Advance:
      The payment required to be made by the Master Servicer with respect to any
      Distribution Date pursuant to Section 4.1, the amount of any such payment being
      equal to the aggregate of payments of principal and interest (net of the Master
      Servicing Fee and net of any net income in the case of any REO Property) on
      the
      Mortgage Loans that were due on the related Due Date and not received as of
      the
      close of business on the related Determination Date, less the aggregate amount
      of any such delinquent payments that the Master Servicer has determined would
      constitute a Nonrecoverable Advance if advanced.

     

    
      
        
        

      

      
        6

        
          

        

      

      
        
        

      

    

     

    Aggregate
      Senior Percentage: For any Distribution Date, the percentage equal to (x) the
      sum of the Class Certificate Balances of the Senior Certificates of all
      Certificate Groups (other than the Class PO Certificates and the Notional Amount
      Certificates) immediately prior to such Distribution Date, divided by (y) the
      aggregate Pool Principal Balance for both Mortgage Pools (excluding the
      aggregate of the applicable PO Percentage of the Pool Principal Balances of
      the
      Discount Mortgage Loans) on such Distribution Date.

     

    Aggregate
      Subordinated Percentage: For any Distribution Date, the percentage equal to
      (x)
      the sum of the Class Certificate Balances of the Subordinated Certificates
      immediately prior to such Distribution Date, divided by (y) the aggregate Pool
      Principal Balance for both Mortgage Pools (excluding the aggregate of the
      applicable PO Percentage of the Pool Principal Balances of the Discount Mortgage
      Loans) on such Distribution Date.

     

    Agreement:
      This Pooling and Servicing Agreement and all amendments or supplements
      hereto.

     

    Allocable
      Share: With respect to any Class of Subordinated Certificates on any
      Distribution Date, such Class’ pro rata share (based on the Class Certificate
      Balance of each Class entitled thereto) of each of the components of the
      Subordinated Optimal Principal Amount for each Mortgage Pool; provided that,
      solely for purposes of this definition, the applicable Subordinated Optimal
      Principal Amount for each Mortgage Pool will be reduced by the amounts required
      to be distributed to the related Class PO Certificates in respect of the
      applicable Class PO Deferred Amount on such Distribution Date, and any such
      reduction in the applicable Subordinate Optimal Principal Amount for a Mortgage
      Pool shall reduce the amounts calculated pursuant to clauses (1), (4), (2),
      (3)
      and (5) of the definition thereof, in that order, and the Class Certificate
      Balances of each Class of Subordinated Certificates will be reduced by such
      amounts in reverse order of priority until the respective Class Certificate
      Balances of each Class of Subordinated Certificates has been reduced to zero;
      provided further, that,
      except
      as
      provided in this Agreement, no Subordinated Certificates (other than the Class
      of Subordinated Certificates with the highest priority of distribution) shall
      be
      entitled on any Distribution Date to receive distributions pursuant to clauses
      (2), (3) and (5) of the definition of Subordinated Optimal Principal Amount
      unless the Class Prepayment Distribution Trigger for such Class is satisfied
      for
      such Distribution Date.

     

    Alternative
      Title Product: Any
      one
      of the following: (i) Lien Protection Insurance issued by Integrated Loan
      Services or ATM Corporation of America, (ii) a Mortgage Lien Report issued
      by
      EPN Solutions/ACRAnet, (iii) a Property Plus Report issued by Rapid Refinance
      Service through SharperLending.com, or (iv) such other alternative title
      insurance product that the Seller utilizes in connection with its then current
      underwriting criteria.

     

    Amount
      Held for Future Distribution: As to any Distribution Date, the aggregate amount
      held in the applicable subaccount of the Certificate Account at the close of
      business on the related Determination Date on account of (i) Principal
      Prepayments on the related Mortgage Pool received after the related Prepayment
      Period and Liquidation Proceeds in respect of the related Mortgage Pool received
      in the month of such Distribution Date and (ii) all Scheduled Payments in the
      related Mortgage Pool due after the related Due Date.

     

    
      
        
        

      

      
        7

        
          

        

      

      
        
        

      

    

     

    Apportioned
      Principal Balance: For any Class of Subordinated Certificates and any
      Distribution Date, an amount equal to the Class Certificate Balance of such
      Class immediately prior to that Distribution Date multiplied by a fraction,
      the
      numerator of which is the applicable Group Subordinate Amount for such
      Distribution Date and the denominator of which is the sum of the Group
      Subordinate Amounts for such Distribution Date.

     

    Appraised
      Value: With respect to any Mortgage Loan, the Appraised Value of the related
      Mortgaged Property shall be: (i) with respect to a Mortgage Loan other than
      a
      Refinancing Mortgage Loan, the lesser of (a) the value of the Mortgaged Property
      based upon the appraisal made at the time of the origination of such Mortgage
      Loan and (b) the sales price of the Mortgaged Property at the time of the
      origination of such Mortgage Loan; (ii) with respect to a Refinancing Mortgage
      Loan other than a Streamlined Documentation Mortgage Loan, the value of the
      Mortgaged Property based upon the appraisal made at the time of the origination
      of such Refinancing Mortgage Loan; and (iii) with respect to a Streamlined
      Documentation Mortgage Loan, (a) if the loan-to-value ratio with respect to
      the
      Original Mortgage Loan at the time of the origination thereof was 90% or less,
      the value of the Mortgaged Property based upon the appraisal made at the time
      of
      the origination of the Original Mortgage Loan and (b) if the loan-to-value
      ratio
      with respect to the Original Mortgage Loan at the time of the origination
      thereof was greater than 90%, the value of the Mortgaged Property based upon
      the
      appraisal (which may be a drive-by appraisal) made at the time of the
      origination of such Streamlined Documentation Mortgage Loan.

     

    Available
      Funds: For each Mortgage Pool, with respect to any Distribution Date, an amount
      equal to the sum of:

     

    
      	 	
              (a)

            	
              all
                scheduled installments of interest, net of the Master Servicing Fee,
                the
                Trustee Fee and any amounts due to First Horizon in respect of the
                Retained Yield on such Distribution Date, and all scheduled installments
                of principal due in respect of the Mortgage Loans in such Mortgage
                Pool on
                the Due Date in the month in which the Distribution Date occurs and
                received before the related Determination Date, together with any
                Advances
                in respect thereof;

            


    

     

    
      	 	
              (b)

            	
              all
                Insurance Proceeds, Liquidation Proceeds and Unanticipated Recoveries
                received in respect of the Mortgage Loans in such Mortgage Pool during
                the
                calendar month before the Distribution Date, which in each case is
                net of
                unreimbursed expenses incurred in connection with a liquidation or
                foreclosure and unreimbursed Advances, if
                any;

            


    

     

    
      	 	
              (c)

            	
              all
                Principal Prepayments received in respect of the Mortgage Loans in
                such
                Mortgage Pool during the related Prepayment Period, plus interest
                received
                thereon, net of any Prepayment Interest
                Excess;

            


    

     

    
      	 	
              (d)

            	
              any
                Compensating Interest in respect of Principal Prepayments in Full
                received
                in respect of the Mortgage Loans in such Mortgage Pool during the
                period
                from the sixteenth day of the month of such Distribution Date through
                the
                last day of such month; and

            


    

     

    
      
        
        

      

      
        8

        
          

        

      

      
        
        

      

    

     

    
      	 	
              (e)

            	
              any
                Substitution Adjustment Amount or the Purchase Price for any Deleted
                Mortgage Loan in the related Mortgage Pool or a Mortgage Loan in
                the
                related Mortgage Pool repurchased by the Seller or the Master Servicer
                as
                of such Distribution Date, reduced by amounts in reimbursement for
                Advances previously made and other amounts that the Master Servicer
                is
                entitled to be reimbursed for out of the Certificate Account pursuant
                to
                this Agreement.

            


    

     

    Bankruptcy
      Code: The United States Bankruptcy Reform Act of 1978, as amended.

     

    Bankruptcy
      Coverage Termination Date: The date on which the Bankruptcy Loss Coverage Amount
      is reduced to zero.

     

    Bankruptcy
      Loss: With respect to any Mortgage Loan, a Deficient Valuation or Debt Service
      Reduction; provided, however, that a Bankruptcy Loss shall not be deemed a
      Bankruptcy Loss hereunder so long as the Master Servicer has notified the
      Trustee in writing that the Master Servicer is diligently pursuing any remedies
      that may exist in connection with the related Mortgage Loan and either (A)
      the
      related Mortgage Loan is not in default with regard to payments due thereunder
      or (B) delinquent payments of principal and interest under the related Mortgage
      Loan and any related escrow payments in respect of such Mortgage Loan are being
      advanced on a current basis by the Master Servicer, in either case without
      giving effect to any Debt Service Reduction or Deficient Valuation.

     

    Bankruptcy
      Loss Coverage Amount: As of any Determination Date, the Bankruptcy Loss Coverage
      Amount shall equal the Initial Bankruptcy Coverage Amount as reduced by (i)
      the
      aggregate amount of Bankruptcy Losses allocated to the Certificates since the
      Cut-off Date and (ii) any permissible reductions in the Bankruptcy Loss Coverage
      Amount as evidenced by a letter of each Rating Agency to the Trustee to the
      effect that any such reduction will not result in a downgrading of the then
      current ratings assigned to the Classes of Certificates rated by it. As of
      any
      Distribution Date on or after the Cross-over Date, the Bankruptcy Loss Coverage
      Amount will be zero.

     

    Basis
      Risk Shortfall: With respect to any Distribution Date and the Class I-A-1
      Certificates, the excess, if any, of (a) the amount of interest that such Class
      of Certificates would have been entitled to receive if the Pass-Through Rate
      for
      such Class was calculated without regard to the maximum per annum Pass-Through
      Rate for such Class as described in the Preliminary Statement, over (b) the
      actual amount of interest such Class of Certificates is entitled to receive
      for
      such Distribution Date.

     

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

     

    Book-Entry
      Certificates: As specified in the Preliminary Statement.

     

    Business
      Day: Any day other than (i) a Saturday or a Sunday, or (ii) a day on which
      banking institutions in the City of Dallas, or the State of Texas or the city
      in
      which the Corporate Trust Office of the Trustee is located are authorized or
      obligated by law or executive order to be closed.

     

    
      
        
        

      

      
        9

        
          

        

      

      
        
        

      

    

     

    Certificate:
      Any one of the Certificates executed by the Trustee in substantially the forms
      attached hereto as exhibits.

     

    Certificate
      Account: The separate Eligible Account or Accounts created and maintained by
      the
      Master Servicer pursuant to Section 3.5 with a depository institution in the
      name of the Master Servicer for the benefit of the Trustee on behalf of
      Certificateholders and designated “First Horizon Home Loan Corporation in trust
      for the registered holders of First Horizon Asset Securities Inc. Mortgage
      Pass-Through Certificates, Series 2006-4.”

     

    Certificate
      Group: As specified in the Preliminary Statement.

     

    Certificate
      Owner: With respect to a Book-Entry Certificate, the Person who is the
      beneficial owner of such Book-Entry Certificate.

     

    Certificate
      Principal Balance: With respect to any Certificate (other than a Notional Amount
      Certificate) and as of any Distribution Date, the principal balance of such
      Certificate on the date of the initial issuance of such Certificate, as reduced
      by:

     

    
      	 	
              (a)

            	
              all
                amounts distributed on previous Distribution Dates on such Certificate
                on
                account of principal,

            


    

     

    
      	 	
              (b)

            	
              the
                principal portion of all Realized Losses previously allocated to
                such
                Certificate, and

            


    

     

    
      	 	
              (c)

            	
              in
                the case of a Subordinated Certificate, such Certificate’s pro rata share,
                if any, of the Subordinated Certificate Writedown Amount for previous
                Distribution Dates.

            


    

     

    Certificate
      Register: The register maintained pursuant to Section 5.2 hereof.

     

    Certificateholder
      or Holder: The person in whose name a Certificate is registered in the
      Certificate Register, except that, solely for the purpose of giving any consent
      pursuant to this Agreement, any Certificate registered in the name of the
      Depositor or the Seller or any affiliate or agent of the Depositor or the Seller
      shall be deemed not to be Outstanding and the Percentage Interest evidenced
      thereby shall not be taken into account in determining whether the requisite
      amount of Percentage Interests necessary to effect such consent has been
      obtained; provided, however, that if any such Person (including the Depositor)
      owns 100% of the Percentage Interests evidenced by a Class of Certificates,
      such
      Certificates shall be deemed to be Outstanding for purposes of any provision
      hereof that requires the consent of the Holders of Certificates of a particular
      Class as a condition to the taking of any action hereunder. The Trustee is
      entitled to rely conclusively on a certification of the Depositor or any
      affiliate of the Depositor in determining which Certificates are registered
      in
      the name of an affiliate of the Depositor.

     

    Certification
      Party: As defined in Section 10.5.

     

    Certifying
      Person: As defined in Section 10.5.

     

    
      
        
        

      

      
        10

        
          

        

      

      
        
        

      

    

     

    Class:
      All Certificates bearing the same class designation as set forth in the
      Preliminary Statement.

     

    Class
      I-A-12 Accrual Amount: The Accrual Amount related to the Class I-A-12
      Certificates in their capacity as Accrual Certificates.

     

    Class
      I-A-13 Accrual Amount: The Accrual Amount related to the Class I-A-13
      Certificates in their capacity as Accrual Certificates

     

    Class
      I-A-PO Deferred Amount: With respect to the Class I-A-PO Certificates and any
      Distribution Date through the Cross-over Date, the sum of (1) the Class I-A-PO
      Percentage of the principal portion of Non-Excess Losses on a Discount Mortgage
      Loan in Pool I allocated to the Class I-A-PO Certificates on such date, and
      (2)
      all amounts previously allocated to the Class I-A-PO Certificates in respect
      of
      such losses and not distributed to the Class I-A-PO Certificates on prior
      Distribution Dates.

     

    Class
      I-A-PO Percentage: (a) With respect to any Discount Mortgage Loan in Pool I,
      the
      fraction, expressed as a percentage, equal to (6.00% - Adjusted Net Mortgage
      Rate) divided by 6.00%, and (b) with respect to any Non-Discount Mortgage Loan
      in Pool I, 0%.

     

    Class
      II-A-PO Deferred Amount: With respect to the Class II-A-PO Certificates and
      any
      Distribution Date through the Cross-over Date, the sum of (1) the Class II-A-PO
      Percentage of the principal portion of Non-Excess Losses on a Discount Mortgage
      Loan in Pool II allocated to the Class II-A-PO Certificates on such date, and
      (2) all amounts previously allocated to the Class II-A-PO Certificates in
      respect of such losses and not distributed to the Class II-A-PO Certificates
      on
      prior Distribution Dates.

     

    Class
      II-A-PO Percentage: (a) With respect to any Discount Mortgage Loan in Pool
      II,
      the fraction, expressed as a percentage, equal to (5.50% - Adjusted Net Mortgage
      Rate) divided by 5.50%, and (b) with respect to any Non-Discount Mortgage Loan
      in Pool II, 0%.

     

    Class
      Certificate Balance: With respect to any Class of Certificates and as of any
      Distribution Date the aggregate of the Certificate Principal Balances of all
      Certificates of such Class as of such date, plus the amount of any Unanticipated
      Recoveries added to the Class Certificate Balance of such Class of Certificates
      pursuant to Section 4.2(l).

     

    Class
      PO
      Certificates: The Class
      I-A-PO and Class II-A-PO Certificates.

     

    Class
      PO
      Deferred Amount: (a)
      With
      respect to the Class I-A-PO Certificates, the Class I-A-PO Deferred Amount;
      and
      (b) with respect to the Class II-A-PO Certificates, the Class II-A-PO Deferred
      Amount.

     

    Class
      PO
      Deferred Payment Writedown Amount: For any Distribution Date and any Class
      of
      Principal Only Certificates, the amount, if any, distributed on such date in
      respect of the related Class PO Deferred Amount pursuant to Section 4.2(a)(iv)
      herein. The Subordinated Certificate Writedown Amount and the Class PO Deferred
      Payment Writedown Amount will be allocated to the Classes of Subordinated
      Certificates in inverse order of priority, until the Class Certificate Balance
      of each such Class has been reduced to zero. 

     

    
      
        
        

      

      
        11

        
          

        

      

      
        
        

      

    

     

    Class
      PO
      Principal Distribution Amount: With respect to each Distribution Date and any
      Class of Principal Only Certificates, an amount equal to the sum
      of:

     

    (1) the
      applicable PO Percentage of all Scheduled Payments of principal due on each
      Mortgage Loan in the related Mortgage Pool on the first day of the month in
      which the Distribution Date occurs, as specified in the amortization schedule
      at
      the time applicable thereto, after adjustment for previous principal prepayments
      and the principal portion of Debt Service Reductions after the Bankruptcy Loss
      Coverage Amount has been reduced to zero, but before any adjustment to such
      amortization schedule by reason of any other bankruptcy or similar proceeding
      or
      any moratorium or similar waiver or grace period;

     

    (2) the
      applicable PO Percentage of the Stated Principal Balance of each Mortgage Loan
      in the related Mortgage Pool which was the subject of a Principal Prepayment
      in
      Full received by the Master Servicer during the related Prepayment
      Period;

     

    (3) the
      applicable PO Percentage of the sum of (a) all partial Principal Prepayments
      for
      each Mortgage Loan in the related Mortgage Pool received by the Master Servicer
      during the related Prepayment Period and (b) all Unanticipated Recoveries in
      respect of each Mortgage Loan in the related Mortgage Pool received by the
      Master Servicer during the calendar month preceding such Distribution
      Date;

     

    (4) the
      applicable PO Percentage of the sum of (a) the net Liquidation Proceeds
      allocable to principal on each Mortgage Loan in the related Mortgage Pool which
      became a Liquidated Mortgage Loan during the related Prepayment Period, other
      than Mortgage Loans described in clause (b), and (b) the principal
      balance of each Mortgage Loan in the related Mortgage Pool that was purchased
      by
      a private mortgage insurer during the related Prepayment Period as an
      alternative to paying a claim under the related mortgage insurance policy;
      and

     

    (5) the
      applicable PO Percentage, of the sum of (a) the Stated Principal Balance of
      each Mortgage Loan in the related Mortgage Pool which was repurchased by the
      Seller in connection with such Distribution Date, and (b) the difference, if
      any, between the Stated Principal Balance of a Mortgage Loan in the related
      Mortgage Pool that has been replaced by the Seller with a Substitute Mortgage
      Loan pursuant to this Agreement in connection with such Distribution Date and
      the Stated Principal Balance of such Substitute Mortgage Loan.

     

    For
      purposes of clauses (2) and (5) above, the Stated Principal Balance of a
      Mortgage Loan will be reduced by the amount of any Deficient Valuation that
      occurred prior to the reduction of the Bankruptcy Loss Coverage Amount to
      zero.

     

    Class
      Prepayment Distribution Trigger: For a Class of Subordinated Certificates (other
      than the Class of Subordinated Certificates with the highest priority of
      distribution), a trigger that is satisfied on any Distribution Date on which
      a
      fraction (expressed as a percentage), the numerator of which is the aggregate
      of
      the Class Certificate Balance of such Class and each Class subordinate thereto,
      if any, and the denominator of which is the aggregate Pool Principal Balance
      for
      both Mortgage Pools with respect to such Distribution Date, equals or exceeds
      such percentage calculated as of the Closing Date.

     

    
      
        
        

      

      
        12

        
          

        

      

      
        
        

      

    

     

    Closing
      Date: December 28, 2006.

     

    Code:
      The
      Internal Revenue Code of 1986, including any successor or amendatory
      provisions.

     

    COFI:
      Not
      applicable.

     

    COFI
      Certificates: Not applicable.

     

    Compensating
      Interest: As to any Distribution Date and any Principal Prepayment in respect
      of
      a Mortgage Loan that is received during the period from the sixteenth day of
      the
      month (or, in the case of the first Distribution Date, from the Cut-off Date)
      prior to the month of such Distribution Date through the last day of such month,
      an additional payment to the related Mortgage Pool made by the Master Servicer,
      to the extent funds are available from the Master Servicing Fee, equal to the
      amount of interest at the Adjusted Net Mortgage Rate for that Mortgage Loan
      from
      the date of the prepayment to the related Due Date; provided that the aggregate
      of all such payments as to the Mortgage Loans in a Mortgage Pool shall not
      exceed 0.0083% of the Pool Principal Balance of such Mortgage Pool as of the
      related Determination Date, and provided further that if a partial Principal
      Prepayment is applied on or after the first day of the month following the
      month
      of receipt, no additional payment is required for such Principal
      Prepayment.

     

    Component:
      Not applicable.

     

    Component
      Balance: Not applicable.

     

    Component
      Certificates: Not applicable.

     

    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.

     

    Coop
      Shares: Shares issued by a Cooperative Corporation.

     

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

     

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

     

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

     

    
      
        
        

      

      
        13

        
          

        

      

      
        
        

      

    

     

    Corporate
      Trust Office: The designated office of the Trustee in the State of New York
      at
      which at any particular time its corporate trust business with respect to this
      Agreement shall be administered, which office at the date of the execution
      of
      this Agreement is located at The Bank of New York, 101 Barclay Street, 4W,
      New
      York, New York 10286 (Attn: Corporate Trust Administration—First Horizon Asset
      Securities Inc. Series 2006-4), facsimile no. (212) 815-3986, and which is
      the
      address to which notices to and correspondence with the Trustee should be
      directed.

     

    Corresponding
      Classes: As to any Middle REMIC Interest identified in Section 2.7, the Class
      or
      Classes that are identified in Section 2.7 as corresponding to such Middle
      REMIC
      Interest.

     

    Corresponding
      Classes of Middle REMIC Interests: As to any Lower REMIC Interest identified
      in
      Section 2.7, the Middle REMIC Interest or Middle REMIC Interests that are
      identified in Section 2.7 corresponding to such Lower REMIC
      Interest.

     

    Corridor
      Contract: The
      transaction evidenced by that certain Confirmation between the Separate Interest
      Trust and the Corridor Contract Counterparty with a Trade Date of November
      29,
      2006 and a reference number of 4917759/4917767.

     

    Corridor
      Contract Counterparty: Bank of America, N.A.

     

    Corridor
      Contract Notional Amount: With respect to the Corridor Contract, the “Notional
      Amount” specified therein.

     

    Corridor
      Contract Termination Date: The Distribution Date in September 2013.

     

    Corridor
      Residual Owner: Banc
      of
      America Securities LLC.

     

    Cross-over
      Date: The Distribution Date on which the Class Certificate Balance of each
      Class
      of Subordinated Certificates has been reduced to zero.

     

    Custodial
      Agreement: The Custodial Agreement dated as of December 28, 2006 by and among
      the Trustee, the Master Servicer and the Custodian.

     

    Custodian:
      First Tennessee Bank National Association, a national banking association,
      and
      its successors and assigns, as custodian under the Custodial
      Agreement.

     

    Cut-off
      Date: December 1, 2006.

     

    Cut-off
      Date Pool Principal Balance: With respect to Pool I, $365,014,797.72, and with
      respect to Pool II, $21,042,400.21.

     

    Cut-off
      Date Principal Balance: As to any Mortgage Loan, the Stated Principal Balance
      thereof as of the close of business on the Cut-off Date.

     

    Debt
      Service Reduction: With respect to any Mortgage Loan, a reduction by a court
      of
      competent jurisdiction in a proceeding under the Bankruptcy Code in the
      Scheduled Payment for such Mortgage Loan which became final and non-appealable,
      except such a reduction resulting from a Deficient Valuation or any reduction
      that results in a permanent forgiveness of principal.

     

    
      
        
        

      

      
        14

        
          

        

      

      
        
        

      

    

     

    Defective
      Mortgage Loan: Any Mortgage Loan which is required to be repurchased pursuant
      to
      Section 2.2 or 2.3.

     

    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 the Mortgage Loan, or any reduction in
      the
      amount of principal to be paid in connection with any Scheduled Payment that
      results in a permanent forgiveness of principal, which valuation or reduction
      results from an order of such court which is final and non-appealable in a
      proceeding under the Bankruptcy Code.

     

    Definitive
      Certificates: Any Certificate evidenced by a Physical Certificate and any
      Certificate issued in lieu of a Book-Entry Certificate pursuant to Section
      5.2(e).

     

    Delay
      Certificates: As specified in the Preliminary Statement.

     

    Delay
      Delivery Mortgage Loans: The Mortgage Loans for which all or a portion of a
      related Mortgage File is not delivered to the Trustee on the Closing Date.
      The
      number of Delay Delivery Mortgage Loans shall not exceed 25% of the aggregate
      number of Mortgage Loans as of the Closing Date.

     

    Deleted
      Mortgage Loan: As defined in Section 2.3(b) hereof.

     

    Denomination:
      With respect to each Certificate, the amount set forth on the face thereof
      as
      the “Initial Certificate Balance of this Certificate” or the Percentage Interest
      appearing on the face thereof.

     

    Depositor:
      First Horizon Asset Securities Inc., a Delaware corporation, or its successor
      in
      interest.

     

    Depository:
      The initial Depository shall be The Depository Trust Company, the nominee of
      which is CEDE & Co., as the registered Holder of the Book-Entry
      Certificates. The Depository shall at all times be a “clearing corporation” as
      defined in Section 8-102(a)(5) of the Uniform Commercial Code of the State
      of
      New York.

     

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

     

    Designated
      Mortgage Pool Rates: With respect to Pool I, 6.00%, and with respect to Pool
      II,
      5.50%.

     

    Determination
      Date: As to any Distribution Date, the earlier of (i) the third Business Day
      after the 15th day of each month, and (ii) the second Business Day prior to
      the
      related Distribution Date.

     

    
      
        
        

      

      
        15

        
          

        

      

      
        
        

      

    

     

    
      Discount
        Mortgage Loan: Any Mortgage Loan in Pool I with an Adjusted Net Mortgage
        Rate of
        less than 6.00% and any Mortgage Loan in Pool II with an Adjusted Net Mortgage
        Rate of less than 5.50%.

       

      Distribution
        Account: The separate Eligible Account created and maintained by the Trustee
        pursuant to Section 3.5 in the name of the Trustee for the benefit of the
        Certificateholders and designated “The Bank of New York, in trust for registered
        Holders of First Horizon Asset Securities Inc. Mortgage Pass-Through
        Certificates, Series 2006-4.” Funds in the Distribution Account shall be held in
        trust for the Certificateholders for the uses and purposes set forth in this
        Agreement.

       

      Distribution
        Account Deposit Date: As to any Distribution Date, 1:30 p.m. Central time
        on the
        Business Day immediately preceding such Distribution Date.

       

      Distribution
        Date: The 25th day of each calendar month after the initial issuance of the
        Certificates, or if such 25th day is not a Business Day, the next succeeding
        Business Day, commencing in January 2007.

       

      Due
        Date:
        With respect to any Distribution Date, the first day of the month in which
        the
        related Distribution Date occurs.

       

      EDGAR:
        The SEC’s Electronic Data Gathering, Analysis and Retrieval system.

       

      Eligible
        Account: Any of (i) an account or accounts maintained with a federal or state
        chartered depository institution or trust company the short-term unsecured
        debt
        obligations of which (or, in the case of a depository institution or trust
        company that is the principal subsidiary of a holding company, the debt
        obligations of such holding company) have the highest short-term ratings
        of each
        Rating Agency at the time any amounts are held on deposit therein, or (ii)
        an
        account or accounts in a depository institution or trust company in which
        such
        accounts are insured by the FDIC or the SAIF (to the limits established by
        the
        FDIC or the SAIF, as applicable) and the uninsured deposits in which accounts
        are otherwise secured such that, as evidenced by an Opinion of Counsel delivered
        to the Trustee and to each Rating Agency, the Certificateholders have a claim
        with respect to the funds in such account or a perfected first priority security
        interest against any collateral (which shall be limited to Permitted
        Investments) securing such funds that is superior to claims of any other
        depositors or creditors of the depository institution or trust company in
        which
        such account is maintained, or (iii) a trust account or accounts maintained
        with
        (a) the trust department of a federal or state chartered depository institution
        or (b) a trust company, acting in its fiduciary capacity. Eligible Accounts
        may
        bear interest, and may include, if otherwise qualified under this definition,
        accounts maintained with the Trustee.

       

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

       

      ERISA-Qualifying
        Underwriting: With respect to any ERISA-Restricted Certificate, a best efforts
        or firm commitment underwriting or private placement that meets the requirements
        of the Underwriters’ Exemption.

       

      ERISA-Restricted
        Certificate: As specified in the Preliminary Statement.

       

      
        
          
          

        

        
          16

          
            

          

        

        
          
          

        

      

       

      ERISA
        Restricted Yield Supplemented Certificates: Not applicable.

       

      Escrow
        Account: The Eligible Account or Accounts established and maintained pursuant
        to
        Section 3.6(a) hereof.

       

      Event
        of
        Default: As defined in Section 7.1 hereof.

       

      Excess
        Loss: The amount of any (i) Fraud Loss realized after the Fraud Loss Coverage
        Termination Date, (ii) Special Hazard Loss realized after the Special Hazard
        Coverage Termination Date or (iii) Deficient Valuation realized after the
        Bankruptcy Coverage Termination Date.

       

      Excess
        Proceeds: With respect to any Liquidated Mortgage Loan, the amount, if any,
        by
        which the sum of any Liquidation Proceeds, Insurance Proceeds and/or
        Unanticipated Recoveries in respect of such Mortgage Loan received in the
        calendar month in which such Mortgage Loan became a Liquidated Mortgage Loan,
        net of any amounts previously reimbursed to the Master Servicer as
        Nonrecoverable Advance(s) with respect to such Mortgage Loan pursuant to
        Section
        3.8(a)(iii), exceeds (i) the unpaid principal balance of such Liquidated
        Mortgage Loan as of the Due Date in the month in which such Mortgage Loan
        became
        a Liquidated Mortgage Loan plus (ii) accrued interest at the Mortgage Rate
        from
        the Due Date as to which interest was last paid or advanced (and not reimbursed)
        to Certificateholders up to the Due Date applicable to the Distribution Date
        immediately following the calendar month during which such liquidation
        occurred.

       

      Exchange
        Act: The Securities Exchange Act of 1934, as amended, and the rules and
        regulations promulgated thereunder.

       

      Exchange
        Act Reports: Any reports on Form 10-D, Form 8-K and Form 10-K required to
        be
        filed by the Depositor with respect to the Trust Fund under the Exchange
        Act.

       

      Expense
        Fee Rate: As to each Mortgage Loan, the sum of the related Master Servicing
        Fee
        Rate and the Trustee Fee Rate.

       

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

       

      FHLMC:
        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: For each Certificate, as specified in the
        Preliminary Statement.

       

      FIRREA:
        The Financial Institutions Reform, Recovery, and Enforcement Act of
        1989.

       

      First
        Horizon: First Horizon Home Loan Corporation, a Kansas corporation and an
        indirect wholly owned subsidiary of First Horizon National Corporation, a
        Tennessee corporation.

       

      
        
          
          

        

        
          17

          
            

          

        

        
          
          

        

      

       

      Fitch:
        Fitch Ratings and its successors and/or assigns. If Fitch is designated as
        a
        Rating Agency in the Preliminary Statement, for purposes of Section 11.5(b)
        the
        address for notices to Fitch shall be Fitch, Inc., One State Street Plaza,
        New
        York, New York 10004, Attention: Residential Mortgage Surveillance Group,
        or
        such other address as Fitch may hereafter furnish to the Depositor and the
        Master Servicer.

       

      Floating
        Rate Certificates: As specified in the Preliminary Statement.

       

      FNMA:
        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.

       

      Form
        10-D
        Disclosure Item: With respect to any Person, any material litigation or
        governmental proceedings pending against such Person, or against any of the
        Trust Fund, the Depositor, the Trustee, the Co-Trustee, the Master Servicer
        or
        any Subservicer that is material to the Certificateholders if such Person,
        as
        applicable, has actual knowledge thereof.

       

      Form
        10-K
        Disclosure Item: With respect to any Person, (a) any Form 10-D Disclosure
        Item,
        and (b) any affiliations or relationships between such Person and any Item
        1119
        Party other than the Depositor, the Master Servicer or any affiliate of
        either.

       

      Fraud
        Loan: A Liquidated Mortgage Loan as to which a Fraud Loss has
        occurred.

       

      Fraud
        Loss Coverage Amount: As of the Closing Date, $7,721,144.
        As of
        any Distribution Date from the first anniversary of the Cut-off Date and
        prior
        to the fifth anniversary of the Cut-off Date, the Fraud Loss Coverage Amount
        will equal $3,860,572
        minus
        the aggregate amount of Fraud Losses that would have been allocated to the
        Subordinated Certificates in the absence of the Loss Allocation Limitation
        since
        the Cut-off Date. As of any Distribution Date on or after the earlier of
        the
        Cross-over Date or the fifth anniversary, the Fraud Loss Coverage Amount
        shall
        be zero.

       

      Fraud
        Loss Coverage Termination Date: The date on which the Fraud Loss Coverage
        Amount
        is reduced to zero.

       

      Fraud
        Losses: Realized Losses on Mortgage Loans as to which a loss is sustained
        by
        reason of a default arising from fraud, dishonesty or misrepresentation in
        connection with the related Mortgage Loan, including a loss by reason of
        the
        denial of coverage under any related Primary Insurance Policy because of
        such
        fraud, dishonesty or misrepresentation.

       

      FTBNA:
        First Tennessee Bank National Association, a national banking
        association.

       

      Group
        I
        Senior Certificates: As specified in the Preliminary Statement.

       

      Group
        II
        Senior Certificates: As specified in the Preliminary Statement.

       

      Group
        Subordinate Amount: For a Mortgage Pool and any Distribution Date, the excess
        of
        (a) the Pool Principal Balance of such Mortgage Pool for the immediately
        preceding Distribution Date, over (b) the aggregate Class Certificate Balance
        of
        the Senior Certificates of the related Certificate Group immediately prior
        to
        that Distribution Date.

       

      
        
          
          

        

        
          18

          
            

          

        

        
          
          

        

      

      

        Index: LIBOR.

         

        Indirect
          Participant: A broker, dealer, bank or other financial institution or other
          Person that clears through or maintains a custodial relationship with a
          Depository Participant.

         

        Initial
          Bankruptcy Coverage Amount: $150,000.

         

        Initial
          Component Balance: Not applicable.

         

        Initial
          LIBOR Rate: With respect to the calculation of the initial Pass-Through
          Rate for
          the LIBOR Certificates, 5.32% per annum.

         

        Insurance
          Policy: With respect to any Mortgage Loan included in the Trust Fund, any
          insurance policy, including all riders and endorsements thereto in effect,
          including any replacement policy or policies for any Insurance
          Policies.

         

        Insurance
          Proceeds: Proceeds paid by an insurer pursuant to any Insurance Policy,
          in each
          case other than any amount included in such Insurance Proceeds (a) in respect
          of
          Insured Expenses, (b) that is applied to the restoration of the related
          Mortgaged Property, or (c) that is released to the Mortgagor in accordance
          with
          the Master Servicer’s normal servicing procedures.

         

        Insured
          Expenses: Expenses covered by an Insurance Policy or any other insurance
          policy
          with respect to the Mortgage Loans.

         

        Interest
          Accrual Period: With respect to each Class of Delay Certificates and any
          Distribution Date, the calendar month prior to the month of such Distribution
          Date. With respect to any Non-Delay Certificates and any Distribution Date,
          the
          one month period commencing on the 25th day of the month preceding the
          month in
          which such Distribution Date occurs and ending on the 24th day of the month
          in
          which such Distribution Date occurs.

         

        Inverse
          Floating Rate Certificates: Not applicable.

         

        Item
          1119
          Party: The Depositor, the Seller, the Master Servicer, the Trustee, any
          Subservicer, any originator identified in the Prospectus Supplement and
          any
          other material transaction party, as identified in Exhibit P hereto, as
          updated
          pursuant to Section 10.4.

         

        Latest
          Possible Maturity Date: As to the Group I Senior Certificates, each Class
          of
          Subordinated Certificates, and each Lower REMIC Interest and each Middle
          REMIC
          Interest, the Distribution Date following the third anniversary of the
          scheduled
          maturity date of the Mortgage Loan in Pool I having the latest scheduled
          maturity date as of the Cut-off Date. As to the Group II Senior Certificates,
          the Distribution Date following the third anniversary of the scheduled
          maturity
          date of the Mortgage Loan in Pool II having the latest scheduled maturity
          date
          as of the Cut-off Date.

         

        Lender
          PMI Mortgage Loan: Not applicable.

         

        
          
            
            

          

          
            19

            
              

            

          

          
            
            

          

        

         

        LIBOR:
          The London interbank offered rate for one month United States dollar deposits
          calculated in the manner described in Section 4.9.

         

        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
          Certificates: As specified in the Preliminary Statement.

         

        LIBOR
          Determination Date: For the LIBOR Certificates, the second LIBOR Business
          Day
          immediately preceding the commencement of each Interest Accrual Period
          for each
          LIBOR Certificate. 

         

        Limited
          Exchange Act Reporting Obligations: The obligations of the Master Servicer
          under
          Section 3.16(b), Section 8.7 and Section 8.9 with respect to notice and
          information to be provided to the Depositor and Article X (except Section
          10.7(a)(i) and (ii)).

         

        Liquidated
          Mortgage Loan: With respect to any Distribution Date, a defaulted Mortgage
          Loan
          (including any REO Property) which was liquidated in the calendar month
          preceding the month of such Distribution Date and as to which the Master
          Servicer has determined (in accordance with this Agreement) that it has
          received
          all amounts it expects to receive in connection with the liquidation of
          such
          Mortgage Loan, including the final disposition of an REO Property.

         

        Liquidation
          Proceeds: All cash amounts, other than Insurance Proceeds and Unanticipated
          Recoveries, received in connection with the partial or complete liquidation
          of
          defaulted Mortgage Loans, whether through trustee’s sale, foreclosure sale or
          otherwise or amounts received in connection with any condemnation or partial
          release of a Mortgaged Property and any other proceeds received in connection
          with an REO Property, less the sum of related unreimbursed Master Servicing
          Fees, Servicing Advances and Advances.

         

        Loan-to-Value
          Ratio: With respect to any Mortgage Loan and as of any date of determination,
          the fraction (expressed as a percentage) the numerator of which is the
          principal
          balance of the related Mortgage Loan at such date of determination and
          the
          denominator of which is the Appraised Value of the related Mortgaged
          Property.

         

        Loss
          Allocation Limitation: As defined in Section 4.4(i).

         

        Lost
          Mortgage Note: Any Mortgage Note, the original of which was permanently
          lost or
          destroyed and has not been replaced.

         

        Lower
          REMIC: The segregated pool of assets consisting of the Trust Fund but excluding
          the Retained Yield, the Middle REMIC Interests, the Lower REMIC Interests,
          the
          RL Interest, the RM Interest, the RU Interest and the Separate Interest
          Trust.


         

        Lower
          REMIC Interests: The REMIC regular interests, within the meaning of the
          REMIC
          Provisions, issued by the Lower REMIC as set forth in Section 2.7.

         

        
          
            
            

          

          
            20

            
              

            

          

          
            
            

          

        

         

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

         

        Majority
          in Interest: As to any Class of Regular Certificates, the Holders of
          Certificates of such Class evidencing, in the aggregate, at least 51% of
          the
          Percentage Interests evidenced by all Certificates of such Class.

         

        Master
          Servicer: First Horizon Home Loan Corporation, a Kansas corporation, and
          its
          successors and assigns, in its capacity as master servicer
          hereunder.

         

        Master
          Servicer Advance Date: As to any Distribution Date, 1:30 p.m. Central time
          on
          the Business Day immediately preceding such Distribution Date.

         

        Master
          Servicing Fee: As to each Mortgage Loan and any Distribution Date, an amount
          payable out of each full payment of interest received on such Mortgage
          Loan and
          equal to one-twelfth of the Master Servicing Fee Rate multiplied by the
          Stated
          Principal Balance of such Mortgage Loan as of the Due Date in the month
          of such
          Distribution Date (prior to giving effect to any Scheduled Payments due
          on such
          Mortgage Loan on such Due Date), subject to reduction as provided in Section
          3.14.

         

        Master
          Servicing Fee Rate: For each Mortgage Loan a per annum rate equal to 0.244%.
          

         

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

         

        MERS
          Mortgage Loan: Any Mortgage Loan registered with MERS on the MERS
          System.

         

        MERS®
          System: The system of recording transfers of mortgages electronically maintained
          by MERS.

         

        Middle
          REMIC: The segregated pool of assets consisting of the Lower REMIC
          Interests.

         

        Middle
          REMIC Interests: The REMIC regular interests, within the meaning of the
          REMIC
          Provisions, issued by the Middle REMIC as set forth in Section 2.7.

         

        MIN:
          The
          Mortgage Identification Number for any MERS Mortgage Loan.

         

        MLPA:
          The
          Mortgage Loan Purchase Agreement dated as of December 28, 2006, by and
          between
          First Horizon Home Loan Corporation, as seller, and First Horizon Asset
          Securities Inc., as purchaser, as related to the transfer, sale and conveyance
          of the Mortgage Loans.

         

        MOM
          Loan:
          Any Mortgage Loan as to which MERS is acting as mortgagee, solely as nominee
          for
          the originator of such Mortgage Loan and its successors and
          assigns.

         

        Monthly
          Statement: The statement delivered to the Certificateholders pursuant to
          Section
          4.6.

         

        
          
            
            

          

          
            21

            
              

            

          

          
            
            

          

        


        Moody’s:
          Moody’s Investors Service, Inc. and its successors and/or assigns. If Moody’s is
          designated as a Rating Agency in the Preliminary Statement, for purposes
          of
          Section 11.5(b) the address for notices to Moody’s shall be Moody’s Investors
          Service, Inc., 99 Church Street, New York, New York 10007, Attention:
          Residential Pass-Through Monitoring, or such other address as Moody’s may
          hereafter furnish to the Depositor or the Master Servicer.

         

        Mortgage:
          The mortgage, deed of trust or other instrument creating a first lien on
          an
          estate in fee simple or leasehold interest in real property securing a
          Mortgage
          Note.

         

        Mortgage
          File: The mortgage documents listed in Section 2.1(b) hereof pertaining
          to a
          particular Mortgage Loan and any additional documents delivered to the
          Trustee
          to be added to the Mortgage File pursuant to this Agreement.

         

        Mortgage
          Loan Schedule: The list of Mortgage Loans (as from time to time amended
          by the
          Master Servicer to reflect the addition of Substitute Mortgage Loans and
          the
          deletion of Deleted Mortgage Loans pursuant to the provisions of this Agreement)
          transferred to the Trustee as part of the Trust Fund and from time to time
          subject to this Agreement, attached hereto as Schedule I, setting forth
          the
          following information with respect to each Mortgage Loan:

         

        
          	 	
                  (1)

                	
                  the
                    loan number;

                


        

         

        
          	 	
                  (2)

                	
                  the
                    Mortgagor’s name and the street address of the Mortgaged Property,
                    including the zip code;

                


        

         

        
          	 	
                  (3)

                	
                  the
                    maturity date;

                


        

         

        
          	 	
                  (4)

                	
                  the
                    original principal balance;

                


        

         

        
          	 	
                  (5)

                	
                  the
                    Cut-off Date Principal Balance;

                


        

         

        
          	 	
                  (6)

                	
                  the
                    first payment date of the Mortgage
                    Loan;

                


        

         

        
          	 	
                  (7)

                	
                  the
                    Scheduled Payment in effect as of the Cut-off
                    Date;

                


        

         

        
          	 	
                  (8)

                	
                  the
                    Loan-to-Value Ratio at origination;

                


        

         

        
          	 	
                  (9)

                	
                  a
                    code indicating whether the residential dwelling at the time
                    of
                    origination was represented to be
                    owner-occupied;

                


        

         

        
          	 	
                  (10)

                	
                  a
                    code indicating whether the residential dwelling is either (a)
                    a detached
                    single family dwelling (b) a dwelling in a de minimis PUD, (c)
                    a
                    condominium unit or PUD (other than a de minimis PUD), (d) a
                    two-to-four
                    unit residential property or (e) a Cooperative
                    Unit;

                


        

         

        
          	 	
                  (11)

                	
                  the
                    Mortgage Rate;

                


        

         

        
          	 	
                  (12)

                	
                  the
                    purpose for the Mortgage Loan;

                


        

         

        
          
            
            

          

          
            22

            
              

            

          

          
            
            

          

        

         

        
          	 	
                  (13)

                	
                  the
                    type of documentation program pursuant to which the Mortgage
                    Loan was
                    originated;

                


        

         

        
          	 	
                  (14)

                	
                  the
                    Master Servicing Fee for the Mortgage Loan;
                    and

                


        

         

        
          	 	
                  (15)

                	
                  a
                    code indicating whether the Mortgage Loan is a MERS Mortgage
                    Loan.

                


        

         

        Such
          schedule shall also set forth the total of the amounts described under
          (4) and
          (5) above for all of the Mortgage Loans.

         

        Mortgage
          Loans: Such of the mortgage loans transferred and assigned to the Trustee
          pursuant to the provisions hereof as from time to time are held as a part
          of the
          Trust Fund (including any REO Property), the mortgage loans so held being
          identified in the Mortgage Loan Schedule, notwithstanding foreclosure or
          other
          acquisition of title of the related Mortgaged Property.

         

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

         

        Mortgage
          Pool: Any of Pool I or Pool II.

         

        Mortgage
          Rate: The annual rate of interest borne by a Mortgage Note from time to
          time,
          net of any insurance premium charged by the mortgagee to obtain or maintain
          any
          Primary Insurance Policy.

         

        Mortgaged
          Property: The underlying property securing a Mortgage Loan, which, with
          respect
          to a Cooperative Loan, is the related Coop Shares and Proprietary
          Lease.

         

        Mortgagor:
          The obligor(s) on a Mortgage Note.

         

        NAS
          Certificates: As specified in the Preliminary Statement.

         

        NAS
          Distribution Percentage: 0% through the Distribution Date in December 2011;
          30%
          of the applicable NAS Percentage thereafter through the Distribution Date
          in
          December 2012; 40% of the applicable NAS Percentage thereafter through
          the
          Distribution Date in December 2013; 60% of the applicable NAS Percentage
          thereafter through the Distribution Date in December 2014; 80% of the applicable
          NAS Percentage thereafter through the Distribution Date in December 2015;
          and
          100% of the applicable NAS Percentage thereafter.

         

        NAS
          Percentage: 0% through the Distribution Date in December 2011, and for
          any
          Distribution Date thereafter, the lesser of (x) 100% and (y) the percentage
          (carried to six places rounded up) obtained by dividing (1) the aggregate
          Class
          Certificate Balance of the NAS Certificates immediately preceding such
          Distribution Date by (2) the Pool Principal Balance of Pool I (other than
          the
          Notional Amount Certificates and the Class I-A-PO Certificates).

         

        NAS
          Principal Distribution Amount: For any Distribution Date, the product of
          (i) the
          amounts described in clause (1) through (5) of the definition of Senior
          Optimal
          Principal Amount for Pool I for such date (without taking into account
          the
          related Senior Percentage and Senior Prepayment Percentage) multiplied
          by (ii)
          the NAS Distribution Percentage for such date. 

         

        
          
            
            

          

          
            23

            
              

            

          

          
            
            

          

        

         

        National
          Cost of Funds Index: The National Monthly Median Cost of Funds Ratio to
          SAIF-Insured Institutions published by the Office of Thrift
          Supervision.

         

        Net
          Interest Shortfall: For any Distribution Date and each Mortgage Pool, the
          sum of
          (a) the amount of interest which would otherwise have been received for
          any
          Mortgage Loan in such Mortgage Pool that was the subject of (x) a Relief
          Act
          Reduction or (y) a Special Hazard Loss, Fraud Loss, or Deficient Valuation,
          after the exhaustion of the respective amounts of coverage for those types
          of
          losses provided by the Subordinated Certificates; and (b) any Net Prepayment
          Interest Shortfalls in respect of such Mortgage Pool.

         

        Net
          Prepayment Interest Shortfalls: As to any Distribution Date and each Mortgage
          Pool, the amount by which the aggregate of Prepayment Interest Shortfalls
          in
          respect of the Mortgage Loans in such Mortgage Pool during the related
          Prepayment Period exceeds an amount equal to the Compensating Interest
          paid in
          respect of such Mortgage Loans, if any, for such Distribution Date.

         

        Non-Class
          I-A-PO Percentage: (a) With respect to a Discount Mortgage Loan in Pool
          I, the
          fraction, expressed as a percentage, equal to the Adjusted Net Mortgage
          Rate
          divided by 6.00%, and (b) with respect to each Non-Discount Mortgage Loan
          in
          Pool I, 100%.

         

        Non-Class
          II-A-PO Percentage: (a) With respect to a Discount Mortgage Loan in Pool
          II, the
          fraction, expressed as a percentage, equal to the Adjusted Net Mortgage
          Rate
          divided by 5.50%, and (b) with respect to each Non-Discount Mortgage Loan
          in
          Pool II, 100%.

         

        Non-Delay
          Certificates: As specified in the Preliminary Statement.

         

        Non-Discount
          Mortgage Loan: Any Mortgage Loan in Pool I with an Adjusted Net Mortgage
          Rate
          that is equal to or greater than 6.00% per annum and any Mortgage Loan
          in Pool
          II with an Adjusted Net Mortgage Rate that is equal to or greater than
          5.50% per
          annum. 

         

        Non-Excess
          Loss: Any Realized Loss other than an Excess Loss.

         

        Non-PO
          Percentage: (a) With respect to Pool I, the Non-Class I-A-PO Percentage,
          and (b)
          with respect to Pool II, the Non-Class II-A-PO Percentage.

         

        Nonrecoverable
          Advance: Any portion of an Advance previously made or proposed to be made
          by the
          Master Servicer that, in the good faith judgment of the Master Servicer,
          will
          not be ultimately recoverable by the Master Servicer from the related Mortgagor,
          related Liquidation Proceeds or otherwise.

         

        Notice
          of
          Final Distribution: The notice to be provided pursuant to Section 9.2 to
          the
          effect that final distribution on any of the Certificates shall be made
          only
          upon presentation and surrender thereof.

         

        Notional
          Amount: As specified in the Preliminary Statement.

         

        
          
            
            

          

          
            24

            
              

            

          

          
            
            

          

        

         

        Notional
          Amount Component: Not applicable.

         

        Notional
          Amount Certificates: As specified in the Preliminary Statement.

         

        Offered
          Certificates: As specified in the Preliminary Statement.

         

        Officer’s
          Certificate: A Certificate (i) signed by the Chairman of the Board, the
          Vice
          Chairman of the Board, the President, a Managing Director, a Vice President
          (however denominated), an Assistant Vice President, the Treasurer, the
          Secretary, or one of the Assistant Treasurers or Assistant Secretaries
          of the
          Depositor or the Master Servicer, or (ii), if provided for in this Agreement,
          signed by a Servicing Officer, as the case may be, and delivered to the
          Depositor and the Trustee, as the case may be, as required by this
          Agreement.

         

        Opinion
          of Counsel: A written opinion of counsel, who may be counsel for the Depositor
          or the Master Servicer, including, in-house counsel, reasonably acceptable
          to
          the Trustee; provided, however, that with respect to the interpretation
          or
          application of the REMIC Provisions, such counsel must (i) in fact be
          independent of the Depositor and the Master Servicer, (ii) not have any
          direct
          financial interest in the Depositor or the Master Servicer or in any affiliate
          of either, and (iii) not be connected with the Depositor or the Master
          Servicer
          as an officer, employee, promoter, underwriter, trustee, partner, director
          or
          person performing similar functions.

         

        Optional
          Termination: The termination of the trust created hereunder in connection
          with
          the purchase of the Mortgage Loans pursuant to Section 9.1(a)
          hereof.

         

        Original
          Group Subordinate Amount: With respect to a Mortgage Pool, the related
          Group
          Subordinate Amount as of the Closing Date.

         

        Original
          Mortgage Loan: The Mortgage Loan refinanced in connection with the origination
          of a Refinancing Mortgage Loan.

         

        Original
          Subordinated Principal Balance: The
          aggregate of the Class Certificate Balances of the Subordinated Certificates
          as
          of the Closing Date.

         

        OTS:
          The
          Office of Thrift Supervision.

         

        Outside
          Reference Date: Not applicable.

         

        Outstanding:
          With respect to the Certificates as of any date of determination, all
          Certificates theretofore executed and authenticated under this Agreement
          except:

         

        
          	 	
                  (a)

                	
                  Certificates
                    theretofore canceled by the Trustee or delivered to the Trustee
                    for
                    cancellation; and

                


        

         

        
          	 	
                  (b)

                	
                  Certificates
                    in exchange for which or in lieu of which other Certificates
                    have been
                    executed and delivered by the Trustee pursuant to this
                    Agreement.

                


        

         

        
          
            
            

          

          
            25

            
              

            

          

          
            
            

          

        

         

        Outstanding
          Mortgage Loan: As of any Due Date, a Mortgage Loan with a Stated Principal
          Balance greater than zero which was not the subject of a Principal Prepayment
          in
          Full prior to such Due Date and which did not become a Liquidated Mortgage
          Loan
          prior to such Due Date.

         

        Ownership
          Interest: As to any Residual Certificate, any ownership interest in such
          Certificate including any interest in such Certificate as the Holder thereof
          and
          any other interest therein, whether direct or indirect, legal or
          beneficial.

         

        PAC
          Certificates: As specified in the Preliminary Statement.

         

        PAC
          Schedule: The schedule designated as such in Exhibit R.

         

        Pass-Through
          Rate: For any interest bearing Class of Certificates, the per annum rate
          set
          forth or calculated in the manner described in the Preliminary
          Statement.

         

        Percentage
          Interest: As to any Certificate, the percentage interest evidenced thereby
          in
          distributions required to be made on the related Class, such percentage
          interest
          being set forth on the face thereof or equal to the percentage obtained
          by
          dividing the Denomination of such Certificate by the aggregate of the
          Denominations of all Certificates of the same Class.

         

        Performance
          Certification: As defined in Section 10.5.

         

        Permitted
          Investments: At any time, any one or more of the following obligations
          and
          securities:

         

        
          	 	
                  (i)

                	
                  obligations
                    of the United States or any agency thereof, provided such obligations
                    are
                    backed by the full faith and credit of the United
                    States;

                


        

         

        
          	 	
                  (ii)

                	
                  general
                    obligations of or obligations guaranteed by any state of the
                    United States
                    or the District of Columbia receiving the highest long-term debt
                    rating of
                    each Rating Agency;

                


        

         

        
          	 	
                  (iii)

                	
                  commercial
                    or finance company paper which is then receiving the highest
                    commercial or
                    finance company paper rating of each Rating
                    Agency;

                


        

         

        
          	 	
                  (iv)

                	
                  certificates
                    of deposit, demand or time deposits, or bankers’ acceptances issued by any
                    depository institution or trust company incorporated under the
                    laws of the
                    United States or of any state thereof and subject to supervision
                    and
                    examination by federal and/or state banking authorities, provided
                    that the
                    commercial paper and/or long term unsecured debt obligations
                    of such
                    depository institution or trust company (or in the case of the
                    principal
                    depository institution in a holding company system, the commercial
                    paper
                    or long-term unsecured debt obligations of such holding company,
                    but only
                    if Moody’s is not a Rating Agency) are then rated one of the two highest
                    long-term and/or the highest short-term ratings of each Rating
                    Agency for
                    such securities;

                


        

         

        
          
            
            

          

          
            26

            
              

            

          

          
            
            

          

        

         

        
          	 	
                  (v)

                	
                  demand
                    or time deposits or certificates of deposit issued by any bank
                    or trust
                    company or savings institution to the extent that such deposits
                    are fully
                    insured by the FDIC and receiving the highest short-term debt
                    rating of
                    each Rating Agency;

                


        

         

        
          	 	
                  (vi)

                	
                  guaranteed
                    reinvestment agreements issued by any bank, insurance company
                    or other
                    corporation and receiving the highest short-term debt rating
                    of each
                    Rating Agency and containing, at the time of the issuance of
                    such
                    agreements, such terms and conditions as will not result in the
                    downgrading or withdrawal of the rating then assigned to the
                    Certificates
                    by either Rating Agency;

                


        

         

        
          	 	
                  (vii)

                	
                  repurchase
                    obligations with respect to any security described in clauses
                    (i) and (ii)
                    above, in either case entered into with a depository institution
                    or trust
                    company (acting as principal) described in clause (iv)
                    above;

                


        

         

        
          	 	
                  (viii)

                	
                  securities
                    (other than stripped bonds, stripped coupons or instruments sold
                    at a
                    purchase price in excess of 115% of the face amount thereof)
                    bearing
                    interest or sold at a discount issued by any corporation incorporated
                    under the laws of the United States or any state thereof which,
                    at the
                    time of such investment, have one of the two highest ratings
                    of each
                    Rating Agency (except if the Rating Agency is Moody’s or S&P, such
                    rating shall be the highest commercial paper rating of Moody’s or S&P,
                    as applicable, for any such
                    securities);

                


        

         

        
          	 	
                  (ix)

                	
                  units
                    of a taxable money-market portfolio having the highest rating
                    assigned by
                    each Rating Agency (except if Fitch is a Rating Agency and has
                    not rated
                    the portfolio, the highest rating assigned by Moody’s) and restricted to
                    obligations issued or guaranteed by the United States of America
                    or
                    entities whose obligations are backed by the full faith and credit
                    of the
                    United States of America and repurchase agreements collateralized
                    by such
                    obligations; and

                


        

         

        
          	 	
                  (x)

                	
                  such
                    other investments bearing interest or sold at a discount as will
                    not
                    result in the downgrading or withdrawal of the rating then assigned
                    to the
                    Certificates by either Rating Agency, as evidenced by a signed
                    writing
                    delivered by each Rating Agency;

                


        

         

        provided that
          no such
          instrument shall be a Permitted Investment if such instrument evidences
          the
          right to receive interest only payments with respect to the obligations
          underlying such instrument.

         

        Permitted
          Transferee: Any person other than (i) the United States, any State or political
          subdivision thereof, or any agency or instrumentality of any of the foregoing,
          (ii) a foreign government, International Organization or any agency or
          instrumentality of either of the foregoing, (iii) an organization (except
          certain farmers’ cooperatives described in section 521 of the Code) which is
          exempt from tax imposed by Chapter 1 of the Code (including the tax imposed
          by
          section 511 of the Code on unrelated business taxable income) on any excess
          inclusions (as defined in section 860E(c)(l) of the Code) with respect
          to any
          Residual Certificate, (iv) rural electric and telephone cooperatives described
          in section 1381(a)(2)(C) of the Code, (v) an “electing large partnership” as
          defined in section 775 of the Code, (vi) a Person that is not (a) a citizen
          or
          resident of the United States, (b) a corporation, partnership, or other
          entity
          created or organized in or under the laws of the United States, any state
          thereof or the District of Columbia, (c) an estate whose income from sources
          without the United States is includible in gross income for United States
          federal income tax purposes regardless of its connection with the conduct
          of a
          trade or business within the United States or (d) 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 United States persons have the authority to control
          all substantial decisions of the trust, unless such Person has furnished
          the
          transferor and the Trustee with a duly completed Internal Revenue Service
          Form
          W-8ECI or any applicable successor form, and (vii) any other Person so
          designated by the Depositor based upon an Opinion of Counsel that the Transfer
          of an Ownership Interest in a Residual Certificate to such Person may cause
          any
          REMIC created hereunder to fail to qualify as a REMIC at any time that
          the
          Certificates are outstanding; provided, however, that if a person is classified
          as a partnership under the Code, such person shall only be a Permitted
          Transferee if all of its beneficial owners are described in subclauses
          (a), (b),
          (c) or (d) of clause (vi) and the governing documents of such person prohibits
          a
          transfer of any interest in such person to any person described in clause
          (vi).
          The terms “United States,” “State” and “International Organization” shall have
          the meanings set forth in section 7701 of the Code or successor provisions.
          A
          corporation will not be treated as an instrumentality of the United States
          or of
          any State or political subdivision thereof for these purposes if all of
          its
          activities are subject to tax and, with the exception of the Federal Home
          Loan
          Mortgage Corporation, a majority of its board of directors is not selected
          by
          such government unit.

         

        
          
            
            

          

          
            27

            
              

            

          

          
            
            

          

        

         

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

         

        Physical
          Certificates: As specified in the Preliminary Statement.

         

        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.

         

        Planned
          Balance: With respect to the PAC Certificates and a Distribution Date,
          the
          aggregate Principal Balance for the PAC Certificates for such Distribution
          Date
          as reflected in the Principal Balance Schedules annexed hereto as Exhibit
          R.

         

        PO
          Percentage: (a) With respect to Pool I, the Class I-A-PO Percentage, and
          (b)
          with respect to Pool II, the Class II-A-PO Percentage.

         

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

         

        
          
            
            

          

          
            28

            
              

            

          

          
            
            

          

        

         

        Pool
          I
          Weighted Average Net Mortgage Rate: The weighted average of the Net Mortgage
          Rates of the mortgage loans in Pool I. 

         

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

         

        Pool
          II
          Weighted Average Net Mortgage Rate: The weighted average of the Net Mortgage
          Rates of the mortgage loans in Pool II.

         

        Pool
          Principal Balance: For a Mortgage Pool, with respect to any Distribution
          Date,
          the aggregate of the Stated Principal Balances of the Mortgage Loans in
          such
          Mortgage Pool which were Outstanding Mortgage Loans on the Due Date in
          the month
          preceding the month of such Distribution Date, and for the first Distribution
          Date, as of the Closing Date, less any Principal Prepayments received on
          or
          after such Due Date and distributed to Certificateholders on the prior
          Distribution Date.

         

        Prepayment
          Interest Excess: As to any Principal Prepayment received by the Master
          Servicer
          from the first day through the fifteenth day of any calendar month (other
          than
          the calendar month in which the Cut-off Date occurs), all amounts paid
          by the
          related Mortgagor in respect of interest on such Principal Prepayment.
          All
          Prepayment Interest Excess shall be paid to the Master Servicer as additional
          master servicing compensation.

         

        Prepayment
          Interest Shortfall: As to any Distribution Date, Mortgage Loan and Principal
          Prepayment received (a) during the period from the sixteenth day of the
          month
          preceding the month of such Distribution Date (or, in the case of the first
          Distribution Date, from the Cut-off Date) through the last day of such
          month, in
          the case of a Principal Prepayment in Full, or (b) during the month preceding
          the month of such Distribution Date, in the case of a partial Principal
          Prepayment, the amount, if any, by which one month’s interest at the related
          Adjusted Mortgage Rate on such Principal Prepayment exceeds the amount
          of
          interest actually paid by the Mortgagor in connection with such Principal
          Prepayment.

         

        Prepayment
          Period: (a) With respect to any Principal Prepayments in Full and any
          Distribution Date, the period from the sixteenth day of the month preceding
          the
          month of such Distribution Date (or, in the case of the first Distribution
          Date,
          from the Cut-off Date) through the fifteenth day of the month of such
          Distribution Date, and (b) with respect to any other Principal Prepayments
          and
          any Distribution Date, the month preceding the month of such Distribution
          Date.

         

        Primary
          Insurance Policy: Each policy of primary mortgage guaranty insurance or
          any
          replacement policy therefor with respect to any Mortgage Loan.

         

        Principal
          Balance Schedules: The PAC Schedule and the TAC Schedule.

         

        Principal
          Only Certificates: As specified in the Preliminary Statement.

         

        Principal
          Prepayment: Any payment of principal by a Mortgagor on a Mortgage Loan
          that is
          received in advance of its scheduled Due Date and is not accompanied by
          an
          amount representing scheduled interest due on any date or dates in any
          month or
          months subsequent to the month of prepayment. Partial Principal Prepayments
          shall be applied by the Master Servicer in accordance with the terms of
          the
          related Mortgage Note.

         

        
          
            
            

          

          
            29

            
              

            

          

          
            
            

          

        

         

        Principal
          Prepayment in Full: Any Principal Prepayment made by a Mortgagor of the
          entire
          principal balance of a Mortgage Loan.

         

        Private
          Certificates: As specified in the Preliminary Statement.

         

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

         

        Prospectus:
          The Prospectus dated October 12, 2006 generally relating to mortgage
          pass-through certificates to be sold by the Depositor.

         

        Prospectus
          Supplement: The Prospectus Supplement, dated December 22, 2006, relating
          to the
          Offered Certificates.

         

        PUD:
          Planned Unit Development.

         

        Purchase
          Price: With respect to any Mortgage Loan required to be purchased by the
          Seller
          pursuant to Section 2.2 or 2.3 hereof or purchased at the option of the
          Master
          Servicer pursuant to Section 3.11, an amount equal to the sum of (i) 100%
          of the
          unpaid principal balance of the Mortgage Loan on the date of such purchase,
          (ii)
          accrued interest thereon at the applicable Mortgage Rate (or at the applicable
          Adjusted Mortgage Rate if the purchaser is the Master Servicer) from the
          date
          through which interest was last paid by the Mortgagor to the Due Date in
          the
          month in which the Purchase Price is to be distributed to Certificateholders,
          and (iii) any costs and damages incurred by the Trust in connection with
          the
          noncompliance of such Mortgage Loan with any specifically applicable predatory
          or abusive lending law.

         

        Qualified
          Insurer: A mortgage guaranty insurance company duly qualified as such under
          the
          laws of the state of its principal place of business and each state having
          jurisdiction over such insurer in connection with the insurance policy
          issued by
          such insurer, duly authorized and licensed in such states to transact a
          mortgage
          guaranty insurance business in such states and to write the insurance provided
          by the insurance policy issued by it, approved as a FNMA-approved mortgage
          insurer and having a claims paying ability rating of at least “AA” or equivalent
          rating by a nationally recognized statistical rating organization. Any
          replacement insurer with respect to a Mortgage Loan must have at least
          as high a
          claims paying ability rating as the insurer it replaces had on the Closing
          Date.

         

        Rating
          Agency: Each of the Rating Agencies specified in the Preliminary Statement.
          If
          any such organization or a successor is no longer in existence, “Rating Agency”
shall be such nationally recognized statistical rating organization, or
          other
          comparable Person, as is designated by the Depositor, notice of which
          designation shall be given to the Trustee. References herein to a given
          rating
          category of a Rating Agency shall mean such rating category without giving
          effect to any modifiers.

         

        Realized
          Loss: With respect to each Liquidated Mortgage Loan, an amount (not less
          than
          zero or more than the Stated Principal Balance of the Mortgage Loan) as
          of the
          date of such liquidation, equal to (i) the Stated Principal Balance of
          the
          Liquidated Mortgage Loan as of the date of such liquidation, plus (ii)
          interest
          at the Adjusted Net Mortgage Rate from the Due Date as to which interest
          was
          last paid or advanced (and not reimbursed) to Certificateholders up to
          the Due
          Date in the month in which Liquidation Proceeds are required to be distributed
          on the Stated Principal Balance of such Liquidated Mortgage Loan from time
          to
          time, minus (iii) any Liquidation Proceeds, Insurance Proceeds and/or
          Unanticipated Recoveries received during the month in which such liquidation
          occurred (or during the calendar month preceding the related Distribution
          Date,
          as applicable), to the extent applied as recoveries of interest at the
          Adjusted
          Net Mortgage Rate and to principal of the Liquidated Mortgage Loan. With
          respect
          to each Mortgage Loan, other than a Liquidated Mortgage Loan, which has
          become
          the subject of a Deficient Valuation, if the principal amount due under
          the
          related Mortgage Note has been reduced, the difference between the principal
          balance of the Mortgage Loan outstanding immediately prior to such Deficient
          Valuation and the principal balance of the Mortgage Loan as reduced by
          the
          Deficient Valuation.

         

        
          
            
            

          

          
            30

            
              

            

          

          
            
            

          

        

         

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

         

        Record
          Date: With respect to any Distribution Date, the close of business on the
          last
          Business Day of the month preceding the month in which such Distribution
          Date
          occurs.

        

          Reference
            Bank: A leading bank with an established place of business in London
            engaged in
            transactions in Eurodollar deposits in the international Eurocurrency
            market,
            not controlled by, or under the common control with, the Trustee.

           

          Refinancing
            Mortgage Loan: Any Mortgage Loan originated in connection with the refinancing
            of an existing mortgage loan.

           

          Regular
            Certificates: As specified in the Preliminary Statement.

           

          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 SEC
            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 SEC,
            or as may
            be provided by the SEC or its staff from time to time.

           

          Relief
            Act: The Servicemembers Civil Relief Act, as amended, or any similar
            state or
            local legislation or regulations.

           

          Relief
            Act Reductions: With respect to any Distribution Date and any Mortgage
            Loan as
            to which there has been a reduction in the amount of interest collectible
            thereon for the most recently ended calendar month as a result of the
            application of the Relief Act, the amount, if any, by which interest
            collectible
            on such Mortgage Loan for the most recently ended calendar month is less
            than
            interest accrued thereon for such month pursuant to the Mortgage
            Note.

           

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

           

          
            
              
              

            

            
              31

              
                

              

            

            
              
              

            

          

           

          REMIC
            Change of Law: Any proposed, temporary or final regulation, revenue ruling,
            revenue procedure or other official announcement or interpretation relating
            to
            REMICs and the REMIC Provisions issued after the Closing Date.

           

          REMIC
            Pool: Either of the Lower REMIC, Middle REMIC or Upper REMIC.

           

          REMIC
            Provisions: Provisions of the federal income tax law relating to real
            estate
            mortgage investment conduits, which appear at sections 860A through 860G
            of
            Subchapter M of Chapter 1 of the Code, and related provisions, and regulations
            promulgated thereunder, as the foregoing may be in effect from time to
            time as
            well as provisions of applicable state laws.

           

          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.

           

          Reportable
            Event: Any event required to be reported on Form 8-K, and in any event,
            the
            following:

           

          (a) entry
            into a definitive agreement related to the Trust Fund, the Certificates
            or the
            Mortgage Loans, or an amendment to a Transaction Document, even if the
            Depositor
            is not a party to such agreement (e.g., a servicing agreement with a
            servicer
            contemplated by Item 1108(a)(3) of Regulation AB);

           

          (b) termination
            of this Agreement or any other document entered into in connection with
            the
            Trust Fund, the Certificates or the Mortgage Loans (other than by expiration
            of
            the applicable agreement on its stated termination date or as a result
            of all
            parties completing their obligations under such agreement), even if the
            Depositor is not a party to such agreement (e.g., a servicing agreement
            with a
            servicer contemplated by Item 1108(a)(3) of Regulation AB);

           

          (c) with
            respect to the Master Servicer only, if the Master Servicer becomes aware
            of any
            bankruptcy or receivership with respect to First Horizon, the Depositor,
            the
            Master Servicer, any Subservicer, the Trustee, the Co-Trustee, any enhancement
            or support provider contemplated by Items 1114(b) or 1115 of Regulation
            AB, or
            any other material party contemplated by Item 1101(d)(1) of Regulation
            AB;

           

          (d) with
            respect to the Trustee, the Master Servicer and the Depositor only, the
            occurrence of an early amortization, performance trigger or other event,
            including an Event of Default under this Agreement;

           

          (e) the
            resignation, removal, replacement, substitution of the Trustee, the Master
            Servicer, any Subservicer, the Trustee or any Co-Trustee;

           

          (f) with
            respect to the Master Servicer only, if the Master Servicer becomes aware
            that
            (i) any material enhancement or support specified in Item 1114(a)(1)
            through (3)
            of Regulation AB or Item 1115 of Regulation AB that was previously applicable
            regarding one or more classes of the Certificates has terminated other
            than by
            expiration of the contract on its stated termination date or as a result
            of all
            parties completing their obligations under such agreement; (ii) any material
            enhancement specified in Item 1114(a)(1) through (3) of Regulation AB
            or Item
            1115 of Regulation AB has been added with respect to one or more classes
            of the
            Certificates; or (iii) any existing material enhancement or support specified
            in
            Item 1114(a)(1) through (3) of Regulation AB or Item 1115 of Regulation
            AB with
            respect to one or more classes of the Certificates has been materially
            amended
            or modified; and 

           

          
            
              
              

            

            
              32

              
                

              

            

            
              
              

            

          

           

          (g) with
            respect to the Trustee, the Master Servicer and the Depositor only, a
            required
            distribution to Holders of the Certificates is not made as of the required
            Distribution Date under this Agreement.

           

          Reporting
            Subcontractor: With respect to the Master Servicer of the Trustee, any
            Subcontractor determined by such Person pursuant to Section 10.8(b) to
            be
            materially “participating in the servicing function” within the meaning of Item
            1122 of Regulation AB. References to a Reporting Subcontractor shall
            refer only
            to the Subcontractor of such Person and shall not refer to Subcontractors
            generally.

           

          Request
            for Release: The Request for Release submitted by the Master Servicer
            to the
            Trustee, substantially in the form of Exhibits L and M, as
            appropriate.

           

          Required
            Coupon: With respect to Pool I, 6.250% per annum, and with respect to
            Pool II,
            5.750% per annum.

           

          Required
            Insurance Policy: With respect to any Mortgage Loan, any insurance policy
            that
            is required to be maintained from time to time under this
            Agreement.

           

          Required
            Recordation States: The states of Florida, Maryland and
            Mississippi.

           

          Reserve
            Fund: The
            separate Eligible Account created and maintained by the Trustee on behalf
            of the
            Separate Interest Trust pursuant to Section 4.7(a) in the name of the
            Trustee
            for the benefit of the Holders of the Class I-A-1 Certificates and designated
            “The Bank of New York, in trust for registered Holders of First Horizon
            Asset
            Securities Inc. Mortgage Pass-Through Certificates, Series 2006-4, Class
            I-A-1.”
Funds in the Class I-A-1 Reserve Fund shall be held in trust for the
            Holders of
            the Class I-A-1 Certificates for the uses and purposes set forth in this
            Agreement.

           

          Residual
            Certificates: As specified in the Preliminary Statement.

           

          Responsible
            Officer: When used with respect to the Trustee, any Vice President, any
            Assistant Vice President, the Secretary, any Assistant Secretary, any
            Trust
            Officer or any other officer of the Trustee customarily performing functions
            similar to those performed by any of the above designated officers and
            having
            direct responsibility for the administration of this Agreement and also
            to whom,
            with respect to a particular matter, such matter is referred because
            of such
            officer’s knowledge of and familiarity with the particular subject.

           

          Retail
            Certificates: As specified in the Preliminary Statement. 

           

          Retained
            Yield: As to each Mortgage Loan and any Distribution Date, an amount
            payable to
            First Horizon Home Loan Corporation out of each full payment of interest
            received on such Mortgage Loan and equal to one-twelfth of the Retained
            Yield
            Rate multiplied by the Stated Principal Balance of such Mortgage Loan
            as of the
            Due Date in the month of such Distribution Date (prior to giving effect
            to any
            Scheduled Payments due on such Mortgage Loan on such Due Date).

           

          
            
              
              

            

            
              33

              
                

              

            

            
              
              

            

          

           

          Retained
            Yield Rate: For any Non-Discount Mortgage Loan, a per annum rate equal
            to the
            excess of (a) the applicable Mortgage Rate over (b) the Required Coupon.
            For any
            Discount Mortgage Loan, 0%.

           

          RL
            Interest: The REMIC residual interest, within the meaning of the REMIC
            Provisions, issued by the Lower REMIC, which shall be represented by
            the
            Class I-A-R Certificate.

           

          RM
            Interest: The REMIC residual interest, within the meaning of the REMIC
            Provisions, issued by the Middle REMIC, which shall be represented by
            the
            Class I-A-R Certificate.

           

          RU
            Interest: The REMIC residual interest, within the meaning of the REMIC
            Provisions, issued by the Upper REMIC, which shall be represented by
            the
            Class I-A-R Certificate.

           

          Sarbanes-Oxley
            Certification: As defined in Section 10.5.

           

          Scheduled
            Balances: Not applicable.

           

          Scheduled
            Certificates: Not applicable.

           

          Scheduled
            Payment: The scheduled monthly payment on a Mortgage Loan due on any
            Due Date
            allocable to principal and/or interest on such Mortgage Loan which, unless
            otherwise specified herein, shall give effect to any related Debt Service
            Reduction and any Deficient Valuation that affects the amount of the
            monthly
            payment due on such Mortgage Loan.

           

          SEC:
            The
            U.S. Securities and Exchange Commission.

           

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

           

          Security
            Agreement: The
            security agreement with respect to a Cooperative Loan.

           

          Seller:
            First Horizon Home Loan Corporation, a Kansas corporation, and its successors
            and assigns, in its capacity as seller of the Mortgage Loans pursuant
            to the
            MLPA.

           

          Senior
            Certificates: As specified in the Preliminary Statement.

           

          Senior
            Final Distribution Date: For each Certificate Group, the Distribution
            Date on
            which the Class Certificate Balance of each Class of related Senior Certificates
            has been reduced to zero.

           

          Senior
            Mezzanine Certificates: As specified in the Preliminary Statement.

           

          Senior
            Optimal Principal Amount: As to a Mortgage Pool and with respect to each
            Distribution Date, an amount equal to the sum of:

           

          (1) the
            related Senior Percentage of the applicable Non-PO Percentage of all
            Scheduled
            Payments of principal due on each Mortgage Loan in such Mortgage Pool
            on the
            first day of the month in which the Distribution Date occurs, as specified
            in
            the amortization schedule at the time applicable thereto after adjustment
            for
            previous principal prepayments and the principal portion of Debt Service
            Reductions after the Bankruptcy Loss Coverage Amount has been reduced
            to zero,
            but before any adjustment to such amortization schedule by reason of
            any other
            bankruptcy or similar proceeding or any moratorium or similar waiver
            or grace
            period;

           

          
            
              
              

            

            
              34

              
                

              

            

            
              
              

            

          

           

          (2) the
            related Senior Prepayment Percentage of the applicable Non-PO Percentage
            of the
            Stated Principal Balance of each Mortgage Loan in such Mortgage Pool
            which was
            the subject of a Principal Prepayment in Full received by the Master
            Servicer
            during the applicable Prepayment Period;

           

          (3) the
            related Senior Prepayment Percentage of the applicable Non-PO Percentage
            of the
            sum of (a) all partial Principal Prepayments in respect of each Mortgage
            Loan in
            such Mortgage Pool received during the applicable Prepayment Period and
            (b) all
            Unanticipated Recoveries in respect of each Mortgage Loan in such Mortgage
            Pool
            received during the calendar month preceding such Distribution
            Date;

           

          (4) the
            lesser of:

           

          
            	 	
                    (a)

                  	
                    the
                      related Senior Prepayment Percentage of the sum of (x) the
                      applicable
                      Non-PO Percentage of the Liquidation Proceeds allocable to
                      principal on
                      each Mortgage Loan in such Mortgage Pool which became a Liquidated
                      Mortgage Loan during the related Prepayment Period, other than
                      Mortgage
                      Loans described in clause (y), and (y) the applicable Non-PO
                      Percentage of
                      the Stated Principal Balance of each Mortgage Loan in such
                      Mortgage Pool
                      that was purchased by a private mortgage insurer during the
                      related
                      Prepayment Period as an alternative to paying a claim under
                      the related
                      Insurance Policy; and

                  


          

           

          
            	
                  	(b)	
                    (i)
                      the related Senior Percentage of the sum of (x) the applicable
                      Non-PO
                      Percentage of the Stated Principal Balance of each Mortgage
                      Loan in such
                      Mortgage Pool which became a Liquidated Mortgage Loan during
                      the related
                      Prepayment Period, other than Mortgage Loans described in clause
                      (y), and
                      (y) the applicable Non-PO Percentage of the Stated Principal
                      Balance of
                      each Mortgage Loan in such Mortgage Pool that was purchased
                      by a private
                      mortgage insurer during the related Prepayment Period as an
                      alternative to
                      paying a claim under the related Insurance Policy minus (ii)
                      the
                      applicable Non-PO Percentage of the related Senior Percentage
                      of the
                      principal portion of the related Senior Percentage of the principal
                      portion of Excess Losses (other than Debt Service Reductions)
                      for such
                      Mortgage Pool during the related Prepayment Period;
                      and

                  


          

           

          (5) the
            related Senior Prepayment Percentage of the sum of (a) the applicable
            Non-PO
            Percentage of the Stated Principal Balance of each Mortgage Loan in such
            Mortgage Pool which was repurchased by the seller in connection with
            such
            Distribution Date and (b) the difference, if any, between the applicable
            Non-PO
            Percentage of the Stated Principal Balance of each Mortgage Loan in such
            Mortgage Pool that has been replaced by the seller with a Substitute
            Mortgage
            Loan pursuant to this Agreement in connection with such Distribution
            Date and
            the Stated Principal Balance of such Substitute Mortgage Loan.

           

          
            
              
              

            

            
              35

              
                

              

            

            
              
              

            

          

           

          Senior
            Percentage: On any Distribution Date for a Certificate Group, the lesser
            of 100%
            and the percentage (carried to six places rounded up) obtained by dividing
            the
            aggregate Class Certificate Balances of all Classes of Senior Certificates
            of
            such Certificate Group (other than the Notional Amount Certificates and
            the
            Class PO Certificates) immediately preceding such Distribution Date by
            the Pool
            Principal Balance of the related Mortgage Pool (excluding the aggregate
            of the
            applicable PO Percentage of the principal balance of each Discount Mortgage
            Loan
            in the related Mortgage Pool) for the immediately preceding Distribution
            Date.

           

          Senior
            Prepayment Percentage: On any Distribution Date occurring during the
            periods set
            forth below, and as to each Certificate Group, the Senior Prepayment
            Percentages
            described below:

          

            
              	
                      Period
                        (Dates Inclusive)

                    	 	
                      Senior
                        Prepayment Percentage

                    
	
                      January
                        2007 - December 2011

                    	 	
                      100%

                    
	
                      January
                        2012 - December 2012

                    	 	
                      The
                        related Senior Percentage plus 70% of the related Subordinated
                        Percentage.

                    
	
                      January
                        2013 - December 2013

                    	 	
                      The
                        related Senior Percentage plus 60% of the related Subordinated
                        Percentage.

                    
	
                      January
                        2014 - December 2014

                    	 	
                      The
                        related Senior Percentage plus 40% of the related Subordinated
                        Percentage.

                    
	
                      January
                        2015 - December 2015

                    	 	
                      The
                        related Senior Percentage plus 20% of the related Subordinated
                        Percentage.

                    
	
                      January
                        2016 and thereafter

                    	 	
                      The
                        related Senior
                        Percentage.

                    


            

          

        

      

    


    provided,
      however,
      if on
      any Distribution Date, the Aggregate Senior Percentage exceeds such percentage
      calculated as of the Closing Date, then the Senior Prepayment Percentage for
      both Certificate Groups for such Distribution Date will equal 100%.

     

    The
      reductions in the Senior Prepayment Percentage for each Certificate Group
      described above will not occur and will remain at the level in effect for the
      most recent prior period specified in the table above, unless both of the
      following step-down conditions are satisfied with respect to each Mortgage
      Pool,
      as of the last day of the month preceding the Distribution Date:

     

    (1) the
      aggregate Stated Principal Balance of Mortgage Loans in both Mortgage Pools
      delinquent 60 days or more (including for this purpose any Mortgage Loans in
      foreclosure or subject to bankruptcy proceedings and Mortgage Loans with respect
      to which the related Mortgaged Property, including REO Property, has been
      acquired by the Trust) does not exceed 50% of the aggregate Class Certificate
      Balances of the Subordinated Certificates as of that date; and

     

    (2) cumulative
      Realized Losses in both Mortgage Pools do not exceed:

     

    
      	 	
              (a)

            	
              30%
                of the Original Subordinated Principal Balance if such Distribution
                Date
                occurs between and including January 2012 - December
                2012;

            


    

     

    
      
        
        

      

      
        36

        
          

        

      

      
        
        

      

    

     

    
      	 	
              (b)

            	
              35%
                of the Original Subordinated Principal Balance if such Distribution
                Date
                occurs between and including January 2013 - December
                2013;

            


    

     

    
      	 	
              (c)

            	
              40%
                of the Original Subordinated Principal Balance if such Distribution
                Date
                occurs between and including January 2014 - December
                2014;

            


    

     

    
      	 	
              (d)

            	
              45%
                of the Original Subordinated Principal Balance if such Distribution
                Date
                occurs between and including January 2015 - December 2015;
                and

            


    

     

    
      	 	
              (e)

            	
              50%
                of the related Original Subordinated Principal Balance if such
                Distribution Date occurs during or after January
                2016.

            


    

     

    Separate
      Interest Trust: A trust created pursuant to Section 4.8(a) of this Agreement
      which is not an asset of any REMIC created hereunder.

     

    Servicing
      Advances: All customary, reasonable and necessary “out of pocket” costs and
      expenses incurred in the performance by the Master Servicer of its servicing
      obligations, including, but not limited to, the cost of (i) the preservation,
      restoration and protection of a Mortgaged Property, (ii) any expenses
      reimbursable to the Master Servicer pursuant to Section 3.11 and any enforcement
      or judicial proceedings, including foreclosures, (iii) the management and
      liquidation of any REO Property and (iv) compliance with the obligations under
      Section 3.9.

     

    Servicing
      Agreement: The servicing agreement, dated as of November 26, 2002 by and
      between First Horizon Asset Securities Inc. and its assigns, as owner, and
      First
      Tennessee Mortgage Services, Inc., as servicer, as the same may be amended
      from
      time to time in accordance with its terms.

     

    Servicing
      Criteria: The “servicing criteria” set forth in Item 1122(d) of Regulation
      AB.

     

    Servicing
      Officer: Any officer of the Master Servicer involved in, or responsible for,
      the
      administration and servicing of the Mortgage Loans whose name and facsimile
      signature appear on a list of servicing officers furnished to the Trustee by
      the
      Master Servicer on the Closing Date pursuant to this Agreement, as such list
      may
      from time to time be amended.

     

    Servicing
      Rights Transfer and Subservicing Agreement: The servicing rights transfer and
      subservicing agreement, dated as of November 26, 2002, by and between First
      Horizon Home Loan Corporation, as transferor and subservicer, and First
      Tennessee Mortgage Services, Inc., as transferee and servicer, as the same
      may
      be amended from time to time in accordance with its terms.

     

    Special
      Hazard Coverage Termination Date: The date on which the Special Hazard Loss
      Coverage Amount is reduced to zero.

     

    Special
      Hazard Loss: Any Realized Loss suffered by a Mortgaged Property on account
      of
      direct physical loss but not including (i) any loss of a type covered by a
      hazard insurance policy or a flood insurance policy required to be maintained
      with respect to such Mortgaged Property pursuant to Section 3.9 to the extent
      of
      the amount of such loss covered thereby, (ii) any shortfall in Insurance
      Proceeds for partial damage due to the application of the co-insurance clauses
      contained in a hazard insurance policy, or (iii) any loss caused by or resulting
      from:

     

    (1) normal
      wear and tear;


    
      
        
        

      

      
        37

        
          

        

      

      
        
        

      

    

     

    (2) fraud,
      conversion or other dishonest act on the part of the Trustee, the Master
      Servicer or any of their agents or employees (without regard to any portion
      of
      the loss not covered by any errors and omissions policy);

     

    (3) errors
      in
      design, faulty workmanship or faulty materials, unless the collapse of the
      property or a part thereof ensues and then only for the ensuing
      loss;

     

    (4) nuclear
      or chemical reaction or nuclear radiation or radioactive or chemical
      contamination, all whether controlled or uncontrolled, and whether such loss
      be
      direct or indirect, proximate or remote or be in whole or in part caused by,
      contributed to or aggravated by a peril covered by the definition of the term
      “Special Hazard Loss”;

     

    (5) hostile
      or warlike action in time of peace and war, including action in hindering,
      combating or defending against an actual, impending or expected
      attack:

     

    
      	 	
              (i)

            	
              by
                any government or sovereign power, de jure or de facto, or by any
                authority maintaining or using military, naval or air
                forces;

            


    

     

    
      	 	
              (ii)

            	
              by
                military, naval or air forces; or

            


    

     

    
      	 	
              (iii)

            	
              by
                an agent of any such government, power, authority or
                forces;

            


    

     

    (6) any
      weapon of war employing nuclear fission, fusion or other radioactive force,
      whether in time of peace or war; or

     

    (7) insurrection,
      rebellion, revolution, civil war, usurped power or action taken by governmental
      authority in hindering, combating or defending against such an occurrence,
      seizure or destruction under quarantine or customs regulations, confiscation
      by
      order of any government or public authority or risks of contraband or illegal
      transportation or trade.

     

    Special
      Hazard Loss Coverage Amount: Upon the initial issuance of the Certificates,
      $5,323,690.
      As of any Distribution Date, the Special Hazard Loss Coverage Amount will equal
      the greater of

     

    (a) 1.00%
      (or
      if greater than 1.00%, the highest percentage of Mortgage Loans by principal
      balance secured by Mortgaged Properties in any single California zip code)
      of
      the outstanding principal balance of all the Mortgage Loans as of the related
      Determination Date; and

     

    (b) twice
      the
      outstanding principal balance of the Mortgage Loan which has the largest
      outstanding principal balance as of the related Determination Date,

     

    
      
        
        

      

      
        38

        
          

        

      

      
        
        

      

    

     

    less,
      in
      each case, the aggregate amount of Special Hazard Losses that would have been
      previously allocated to the Subordinated Certificates in the absence of the
      Loss
      Allocation Limitation. As of any Distribution Date on or after the Cross-over
      Date, the Special Hazard Loss Coverage Amount will be zero.

     

    Special
      Hazard Mortgage Loan: A Liquidated Mortgage Loan as to which a Special Hazard
      Loss has occurred.

     

    S&P:
      Standard & Poor’s, a division of The McGraw-Hill Companies, Inc., and its
      successors and/or assigns. If S&P is designated as a Rating Agency in the
      Preliminary Statement, for purposes of Section 11.5(b) the address for notices
      to S&P shall be Standard & Poor’s, 55 Water Street, 41st Floor, New
      York, New York 10041, Attention: Mortgage Surveillance Monitoring, or such
      other
      address as S&P may hereafter furnish to the Depositor and the Master
      Servicer.

     

    Startup
      Day: The Closing Date.

     

    Stated
      Principal Balance: As to any Mortgage Loan and Due Date, the unpaid principal
      balance of such Mortgage Loan as of such Due Date as specified in the
      amortization schedule at the time relating thereto (before any adjustment to
      such amortization schedule by reason of any moratorium or similar waiver or
      grace period) after giving effect to any previous partial Principal Prepayments
      and Liquidation Proceeds allocable to principal (other than with respect to
      any
      Liquidated Mortgage Loan) and to the payment of principal due on such Due Date
      and irrespective of any delinquency in payment by the related
      Mortgagor.

     

    Streamlined
      Documentation Mortgage Loan: Any Mortgage Loan originated pursuant to the
      Seller’s Streamlined Loan Documentation Program then in effect.

     

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

     

    Subordinated
      Certificates: As specified in the Preliminary Statement.

     

    Subordinated
      Certificate Writedown Amount: As of any Distribution Date, the amount by which
      (a) the sum of the Class Certificate Balances of all the Certificates, after
      giving effect to the distribution of principal and the allocation of Realized
      Losses in reduction of the Class Certificate Balances of all of the Certificates
      on such Distribution Date, exceeds (b) the aggregate of the Pool Principal
      Balances of both Mortgage Pools on the first day of the month of such
      Distribution Date, less any Deficient Valuations occurring before the Bankruptcy
      Loss Coverage Amount has been reduced to zero.

     

    Subordinated
      Optimal Principal Amount: With respect to each Mortgage Pool and each
      Distribution Date, an amount equal to the sum of the following (but in no event
      greater than the aggregate Class Certificate Balances of the Subordinated
      Certificates immediately prior to such Distribution Date):

     

    (1) the
      related Subordinated Percentage of the applicable Non-PO Percentage of all
      Scheduled Payments of principal due on each outstanding Mortgage Loan in the
      related Mortgage Pool on the first day of the month in which the Distribution
      Date occurs, as specified in the amortization schedule at the time applicable
      thereto, after adjustment for previous principal prepayments and the principal
      portion of Debt Service Reductions after the Bankruptcy Loss Coverage Amount
      has
      been reduced to zero, but before any adjustment to such amortization schedule
      by
      reason of any other bankruptcy or similar proceeding or any moratorium or
      similar waiver or grace period;

     

    
      
        
        

      

      
        39

        
          

        

      

      
        
        

      

    

     

    (2) the
      related Subordinated Prepayment Percentage of the applicable Non-PO Percentage
      of the Stated Principal Balance of each Mortgage Loan in the related Mortgage
      Pool which was the subject of a Principal Prepayment in Full received by the
      Master Servicer during the related Prepayment Period;

     

    (3) the
      related Subordinated Prepayment Percentage of the applicable Non-PO Percentage
      of the sum of (a) all partial Principal Prepayments received in respect of
      each
      Mortgage Loan in the related Mortgage Pool during the related Prepayment Period,
      (b) all Unanticipated Recoveries received in respect of each Mortgage Loan
      in
      the related Mortgage Pool during the calendar month prior to such Distribution
      Date, and (c) on the Senior Final Distribution Date, 100% of any related Senior
      Optimal Principal Amount remaining undistributed on such date;

     

    (4) the
      amount, if any, by which the sum of (a) the applicable Non-PO Percentage of
      the
      net Liquidation Proceeds allocable to principal received during the related
      Prepayment Period in respect of each Liquidated Mortgage Loan in the related
      Mortgage Pool, other than Mortgage Loans described in clause (b), and (b) the
      applicable Non-PO Percentage of the Stated Principal Balance of each Mortgage
      Loan in the related Mortgage Pool that was purchased by a private mortgage
      insurer during the related Prepayment Period as an alternative to paying a
      claim
      under the related Insurance Policy exceeds (c) the sum of the amounts
      distributable to the Senior Certificateholders (other than the holders of the
      Class PO Certificates) under clause (4) of the definition of applicable Senior
      Optimal Principal Amount on such Distribution Date; and

     

    (5) the
      related Subordinated Prepayment Percentage of the sum of (a) the applicable
      Non-PO Percentage of the Stated Principal Balance of each Mortgage Loan in
      the
      related Mortgage Pool which was repurchased by the seller in connection with
      such Distribution Date and (b) the difference, if any, between the applicable
      Non-PO Percentage of the Stated Principal Balance of each Mortgage Loan in
      the
      related Mortgage Pool that has been replaced by the seller with a Substitute
      Mortgage Loan pursuant to this Agreement in connection with such Distribution
      Date and the Stated Principal Balance of each such Substitute Mortgage
      Loan.

     

    Subordinated
      Percentage: For any Distribution Date and each Certificate Group, 100% minus
      the
      related Senior Percentage.

     

    Subordinated
      Prepayment Percentage: For any Distribution Date and each Certificate Group,
      100% minus the related Senior Prepayment Percentage

     

    
      
        
        

      

      
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    Subservicer:
      Any person to whom the Master Servicer has contracted for the servicing of
      all
      or a portion of the Mortgage Loans pursuant to Section 3.2 hereof.

     

    Substitute
      Mortgage Loan: A Mortgage Loan substituted by the Seller for a Deleted Mortgage
      Loan which must, on the date of such substitution, as confirmed in a Request
      for
      Release, substantially in the form of Exhibit L, (i) have a Stated Principal
      Balance, after deduction of the principal portion of the Scheduled Payment
      due
      in the month of substitution, not in excess of, and not more than 10% less
      than
      the Stated Principal Balance of the Deleted Mortgage Loan; (ii) have an Adjusted
      Net Mortgage Rate not lower than the lower of (a) the Adjusted Net Mortgage
      Rate
      of the Deleted Mortgage Loan or (b) 6.25% in the case of a Deleted Mortgage
      Loan
      from Pool I, or 5.75% in the case of a Deleted Mortgage Loan from Pool II,
      provided that the Master Servicing Fee for the Substitute Mortgage Loan shall
      be
      equal to or greater than that of the Deleted Mortgage Loan; (iii) be accruing
      interest at a rate no lower than and not more than 1% per annum higher than,
      that of the Deleted Mortgage Loan; (iv) have a Loan-to-Value Ratio no higher
      than that of the Deleted Mortgage Loan; (v) have a remaining term to maturity
      no
      greater than (and not more than one year less than that of) the Deleted Mortgage
      Loan; (vi) not be a Cooperative Loan unless the Deleted Mortgage Loan was a
      Cooperative Loan and (vii) comply with each representation and warranty set
      forth in Section 2.3 hereof.

     

    Substitution
      Adjustment Amount: The meaning ascribed to such term pursuant to Section
      2.3.

     

    Super
      Senior Certificates: As specified in the Preliminary Statement.

     

    Support
      Classes: As specified in the Preliminary Statement.

     

    TAC
      Certificates: As specified in the Preliminary Statement.

     

    TAC
      Schedule: The schedule designated as such in Exhibit R.

     

    Targeted
      Balance: With respect to the Class of TAC Certificates and any Distribution
      Date, the balance for such Distribution Date as reflected in the Principal
      Balance Schedules annexed hereto as Exhibit R.

     

    Tax
      Matters Person: The person designated as “tax matters person” in the manner
      provided under Treasury regulation § 1.860F-4(d) and Treasury regulation §
301.6231(a)(7)-1. Initially, the Tax Matters Person shall be the
      Trustee.

     

    Tax
      Matters Person Certificate: The Class I-A-R Certificates with a Denomination
      of
      $0.01.

     

    Transfer:
      Any direct or indirect transfer or sale of any Ownership Interest in a Residual
      Certificate.

     

    Trust
      Fund: The corpus of the trust created hereunder consisting of (i) the Mortgage
      Loans and all interest and principal received on or with respect thereto after
      the Cut-off Date to the extent not applied in computing the Cut-off Date
      Principal Balance thereof; (ii) all of the Depositor’s rights as purchaser under
      the MLPA; (iii) the Certificate Account and the Distribution Account and all
      amounts deposited therein pursuant to the applicable provisions of this
      Agreement; (iv) property that secured a Mortgage Loan and has been acquired
      by
      foreclosure, deed-in-lieu of foreclosure or otherwise; and (v) all proceeds
      of
      the conversion, voluntary or involuntary, of any of the foregoing; provided
      that
      the Trust Fund shall exclude the Retained Yield.

     

    
      
        
        

      

      
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    Trustee:
      The Bank of New York and its successors and, if a successor trustee is appointed
      hereunder, such successor.

     

    Trustee
      Fee: As to any Distribution Date and a Mortgage Pool, an amount equal to
      one-twelfth of the Trustee Fee Rate multiplied by the applicable Pool Principal
      Balance with respect to such Distribution Date.

     

    Trustee
      Fee Rate: With respect to each Mortgage Loan, the per annum rate agreed upon
      in
      writing on or prior to the Closing Date by the Trustee and the
      Depositor.

     

    Unanticipated
      Recovery: As defined in Section 4.2(j).

     

    Undercollateralization
      Distribution: As defined in Section 4.2(k).

     

    Undercollateralized
      Group: With respect to any Distribution Date, the Senior Certificates of any
      Certificate Group (other than the Principal Only Certificates) as to which
      the
      aggregate Certificate Principal Balance thereof, after giving effect to
      distributions pursuant to Section 4.2(a) on such date, is greater than the
      applicable Non-PO Percentage of the Pool Principal Balance of the related
      Mortgage Pool for such Distribution Date.

     

    Underwriter:
      As specified in the Preliminary Statement.

     

    Underwriter’s
      Exemption: An individual administrative exemption granted by the U.S. Department
      of Labor to the Underwriter providing exceptions from some of the prohibited
      transaction rules of ERISA with respect to the initial purchase, the holding
      and
      the subsequent resale by employee benefit plans in certificates in pass-through
      trusts having assets and meeting conditions described therein, as amended by
      Prohibited Transaction Exemption 2000-58 (65 Fed. Reg. 67765, November 13,
      2000), as amended, and Prohibited Transaction Exemption 2002-41 (67 Fed. Reg.
      54487, August 22, 2002), as amended (or any successor thereto), or any
      substantially similar administrative exemption granted by the U.S. Department
      of
      Labor.

     

    Upper
      REMIC: The segregated pool of assets consisting of the Middle REMIC
      Interests.

     

    Voting
      Rights: The portion of the voting rights of all of the Certificates which is
      allocated to any Certificate. As of any date of determination, (a) 97% of all
      Voting Rights will be allocated among all Holders of the Certificates, other
      than the Notional Amount Certificates and the Class I-A-R Certificates, in
      proportion to their then outstanding Class Certificate Balance; and (b) 2.0%
      of
      all voting rights will be allocated among the Holders of the Notional Amount
      Certificates, in proportion to their Notional Amount; and (c) 1.0% of all Voting
      Rights will be allocated to the Holders of the Class I-A-R Certificates (such
      Voting Rights to be allocated among the Holders of Certificates of such Class
      in
      accordance with their respective Percentage Interests).

     

    
      
        
        

      

      
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    Yield
      Supplement Amount:
      For any
      Distribution Date on or prior to the Corridor
      Contract Termination Date
      on which
      the LIBOR exceeds 5.50%, the lesser of (a) the Class Certificate Balance of
      the
      Class I-A-1 Certificates immediately prior to such Distribution Date and (b)
      the
      Corridor Contract Notional Amount for such Distribution Date, multiplied by
      a
      rate equal to one twelfth of the excess of (i) the lesser of LIBOR and 9.00%
      over (ii) 5.50%. 

     

    ARTICLE
      II

    CONVEYANCE
      OF MORTGAGE LOANS; 

    REPRESENTATIONS
      AND WARRANTIES

     

    SECTION
      2.1 Conveyance of Mortgage Loans. 

     

    
      	 	
              (a)

            	
              The
                Depositor, concurrently with the execution and delivery hereof, hereby
                sells, transfers, assigns, sets over and otherwise conveys to the
                Trustee
                for the benefit of the Certificateholders, without recourse, all
                the
                right, title and interest of the Depositor in and to the Trust Fund
                together with (i) the Depositor’s right to (A) require the Seller to
                cure any breach of a representation or warranty made by the Seller
                pursuant to the MLPA, or (B) repurchase or substitute for any affected
                Mortgage Loan in accordance herewith, and (ii) all right, title and
                interest of the Depositor in, to and under the Servicing Agreement,
                which
                right has been assigned to the Depositor pursuant to the
                MLPA.

            


    

     

    
      	 	
              (b)

            	
              In
                connection with the transfer and assignment set forth in clause (a)
                above,
                the Depositor has delivered or caused to be delivered to the Trustee
                or
                the Custodian on its behalf (or, in the case of the Delay Delivery
                Mortgage Loans, will deliver or cause to be delivered to the Trustee
                or
                the Custodian on its behalf within thirty (30) days following the
                Closing
                Date) for the benefit of the Certificateholders the following documents
                or
                instruments with respect to each Mortgage Loan so
                assigned:

            


    

     

    
      	 	
              (i)

            	
              (A)
                the original Mortgage Note endorsed by manual or facsimile signature
                in
                blank in the following form: “Pay to the order of ________________,
                without recourse,” with all intervening endorsements showing a complete
                chain of endorsement from the originator to the Person endorsing
                the
                Mortgage Note (each such endorsement being sufficient to transfer
                all
                right, title and interest of the party so endorsing, as noteholder
                or
                assignee thereof, in and to that Mortgage Note);
                or

            


    

     

    (B)
      with
      respect to any Lost Mortgage Note, a lost note affidavit from the  Seller
      stating that the original Mortgage Note was lost or destroyed,  together
      with a copy of such Mortgage Note; 

     

    
      	 	
              (ii)

            	
              except
                as provided below and for each Mortgage Loan that is not a MERS Mortgage
                Loan, the original recorded Mortgage or a copy of such Mortgage certified
                by the Seller as being a true and complete copy of the Mortgage,
                and in
                the case of each MERS Mortgage Loan, the original recorded Mortgage,
                noting the presence of the MIN of the Mortgage Loans and either language
                indicating that the Mortgage Loan is a MOM Loan if the Mortgage Loan
                is a
                MOM Loan or if the Mortgage Loan was not a MOM Loan at origination,
                the
                original Mortgage and the assignment thereof to MERS, with evidence
                of
                recording indicated thereon, or a copy of the Mortgage certified
                by the
                Seller as being a true and complete copy of the
                Mortgage;

            


    

     

    
      
        
        

      

      
        43

        
          

        

      

      
        
        

      

    

     

    
      	 	
              (iii)

            	
              in
                the case of a Mortgage Loan that is not a MERS Mortgage Loan, a
                duly executed assignment of the Mortgage, or a copy of such assignment
                certified by the Seller as being a true and complete copy of the
                assignment, in blank (which may be included in a blanket assignment
                or
                assignments), together with, except as provided below, all interim
                recorded assignments, or copies of such interim assignments certified
                by
                the Seller as being true and complete copies of the interim assignments,
                of such Mortgage (each such assignment, when duly and validly completed,
                to be in recordable form and sufficient to effect the assignment
                of and
                transfer to the assignee thereof, under the Mortgage to which the
                assignment relates); provided that, if the related Mortgage has not
                been
                returned from the applicable public recording office, such assignment
                of
                the Mortgage may exclude the information to be provided by the recording
                office;

            


    

     

    
      	 	
              (iv)

            	
              the
                original or copies of each assumption, modification, written assurance
                or
                substitution agreement, if any;

            


    

     

    
      	 	
              (v)

            	
              either
                the original or duplicate original title policy, or a copy of such
                title
                policy certified by the Seller as being a true and complete copy
                of the
                title policy (including all riders thereto), with respect to the
                related
                Mortgaged Property, if available, provided that the title policy
                (including all riders thereto) will be delivered as soon as it becomes
                available, and if the title policy is not available, and to the extent
                required pursuant to the second paragraph below or otherwise in connection
                with the rating of the Certificates, a written commitment or interim
                binder or preliminary report of the title issued by the title insurance
                or
                escrow company with respect to the Mortgaged Property, or in
                lieu
                thereof, an Alternative Title Product or a copy of such Alternative
                Title
                Product certified by the Seller as being a true and complete copy
                of the
                Alternative Title Product;
                and

            


    

     

    
      	 	
              (vi)

            	
              in
                the case of a Cooperative Loan, the originals of the following documents
                or instruments:

            


    

     

    
      	 	
              (a)

            	
              The
                Coop Shares, together with a stock power in
                blank;

            


    

     

    
      	 	
              (b)

            	
              The
                executed Security Agreement;

            


    

     

    
      
        
        

      

      
        44

        
          

        

      

      
        
        

      

    

     

    
      	 	
              (c)

            	
              The
                executed Proprietary Lease;

            


    

     

    
      	 	
              (d)

            	
              The
                executed Recognition Agreement;

            


    

     

    
      	 	
              (e)

            	
              The
                executed UCC-1 financing statement with evidence of recording thereon
                which have been filed in all places required to perfect the Seller’s
                interest in the Coop Shares and the Proprietary Lease;
                and

            


    

     

    
      	 	
              (f)

            	
              Executed
                UCC-3 financing statements 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)

            


    

     

    In
      the
      event that in connection with any Mortgage Loan that is not a MERS Mortgage
      Loan
      the Depositor cannot deliver (a) the original recorded Mortgage or (b) all
      interim recorded assignments satisfying the requirements of clause (ii) or
      (iii)
      above, respectively, concurrently with the execution and delivery hereof because
      such document or documents have not been returned from the applicable public
      recording office, the Depositor shall promptly deliver or cause to be delivered
      to the Trustee or the Custodian on its behalf such original Mortgage or such
      interim assignment, as the case may be, with evidence of recording indicated
      thereon upon receipt thereof from the public recording office, or a copy
      thereof, certified, if appropriate, by the relevant recording office, but in
      no
      event shall any such delivery of the original Mortgage and each such interim
      assignment or a copy thereof, certified, if appropriate, by the relevant
      recording office, be made later than one year following the Closing Date;
      provided, however, in the event the Depositor is unable to deliver or cause
      to
      be delivered by such date each Mortgage and each such interim assignment by
      reason of the fact that any such documents have not been returned by the
      appropriate recording office, or, in the case of each such interim assignment,
      because the related Mortgage has not been returned by the appropriate recording
      office, the Depositor shall deliver or cause to be delivered such documents
      to
      the Trustee or the Custodian on its behalf as promptly as possible upon receipt
      thereof and, in any event, within 720 days following the Closing Date. The
      Depositor shall forward or cause to be forwarded to the Trustee or the Custodian
      on its behalf (a) from time to time additional original documents evidencing
      an
      assumption or modification of a Mortgage Loan and (b) any other documents
      required to be delivered by the Depositor or the Master Servicer to the Trustee.
      In the event that the original Mortgage is not delivered and in connection
      with
      the payment in full of the related Mortgage Loan and the public recording office
      requires the presentation of a “lost instruments affidavit and indemnity” or any
      equivalent document, because only a copy of the Mortgage can be delivered with
      the instrument of satisfaction or reconveyance, the Master Servicer shall
      execute and deliver or cause to be executed and delivered such a document to
      the
      public recording office. In the case where a public recording office retains
      the
      original recorded Mortgage or in the case where a Mortgage is lost after
      recordation in a public recording office, the Depositor shall deliver or cause
      to be delivered to the Trustee or the Custodian on its behalf a copy of such
      Mortgage certified by such public recording office to be a true and complete
      copy of the original recorded Mortgage.

     

    
      
        
        

      

      
        45

        
          

        

      

      
        
        

      

    

    

      In
        addition, in the event that in connection with any Mortgage Loan the Depositor
        cannot deliver or cause to be delivered the original or duplicate original
        lender’s title policy (together with all riders thereto), satisfying the
        requirements of clause (v) above, concurrently with the execution and delivery
        hereof because the related Mortgage has not been returned from the applicable
        public recording office, the Depositor shall promptly deliver or cause to
        be
        delivered to the Trustee or the Custodian on its behalf such original or
        duplicate original lender’s title policy (together with all riders thereto) upon
        receipt thereof from the applicable title insurer, but in no event shall
        any
        such delivery of the original or duplicate original lender’s title policy be
        made later than one year following the Closing Date; provided, however, in
        the
        event the Depositor is unable to deliver or cause to be delivered by such
        date
        the original or duplicate original lender’s title policy (together with all
        riders thereto) because the related Mortgage has not been returned by the
        appropriate recording office, the Depositor shall deliver or cause to be
        delivered such documents to the Trustee or the Custodian on its behalf as
        promptly as possible upon receipt thereof and, in any event, within 720 days
        following the Closing Date; provided further, however, that the Depositor
        shall
        not be required to deliver an original or duplicate lender’s title policy
        (together with all riders thereto) if the Depositor delivers an Alternative
        Title Product in lieu thereof. Notwithstanding the preceding, in connection
        with
        any Mortgage Loan for which either the original or duplicate original title
        policy has not been delivered to the Trust, if at any time during the term
        of
        this Agreement the parent company of the Seller does not have a long term
        senior
        debt rating of A- or higher from S&P and A- or higher from Fitch (if rated
        by Fitch), then the Depositor shall within 30 days deliver or cause to be
        delivered to the Trustee or the Custodian on its behalf (if it has not
        previously done so) a written commitment or interim binder or preliminary
        report
        of the title issued by the title insurance or escrow company with respect
        to the
        Mortgaged Property.

       

      Subject
        to the immediately following sentence, as promptly as practicable subsequent
        to
        such transfer and assignment, and in any event, within thirty (30) days
        thereafter, the Master Servicer shall (i) complete each assignment of Mortgage,
        as follows: “First Horizon Mortgage Pass-Through Certificates, Series 2006-4,
        The Bank of New York, as trustee for the holders of the Certificates”, (ii)
        cause such assignment to be in proper form for recording in the appropriate
        public office for real property records and (iii) cause to be delivered for
        recording in the appropriate public office for real property records the
        assignments of the Mortgages to the Trustee, except that, with respect to
        any
        assignments of Mortgage as to which the Master Servicer has not received
        the
        information required to prepare such assignment in recordable form, the Master
        Servicer’s obligation to do so and to deliver the same for such recording shall
        be as soon as practicable after receipt of such information and in any event
        within thirty (30) days after receipt thereof. Notwithstanding the foregoing,
        the Master Servicer need not cause to be recorded any assignment which relates
        to a Mortgage Loan in any state other than the Required Recordation
        States.

       

      In
        the
        case of Mortgage Loans that have been prepaid in full as of the Closing Date,
        the Depositor, in lieu of delivering the above documents to the Trustee or
        the
        Custodian on its behalf, will deposit in the Certificate Account the portion
        of
        such payment that is required to be deposited in the Certificate Account
        pursuant to Section 3.8 hereof.

       

      Notwithstanding
        anything to the contrary in this Agreement, within thirty days after the
        Closing
        Date, the Depositor shall either (i) deliver or cause to be delivered to
        the
        Trustee or the Custodian on its behalf the Mortgage File as required pursuant
        to
        this Section 2.1 for each Delay Delivery Mortgage Loan or (ii) (A) substitute
        or
        cause to be substituted a Substitute Mortgage Loan for the Delay Delivery
        Mortgage Loan or (B) repurchase or cause to be repurchased the Delay Delivery
        Mortgage Loan, which substitution or repurchase shall be accomplished in
        the
        manner and subject to the conditions set forth in Section 2.3 (treating each
        Delay Delivery Mortgage Loan as a Deleted Mortgage Loan for purposes of such
        Section 2.3), provided, however, that if the Depositor fails to deliver a
        Mortgage File for any Delay Delivery Mortgage Loan within the thirty-day
        period
        provided in the prior sentence, the Depositor shall use its best reasonable
        efforts to effect or cause to be effected a substitution, rather than a
        repurchase of, such Deleted Mortgage Loan and provided further that the cure
        period provided for in Section 2.2 or in Section 2.3 shall not apply to the
        initial delivery of the Mortgage File for such Delay Delivery Mortgage Loan,
        but
        rather the Depositor shall have five (5) Business Days to cure or cause to
        be
        cured such failure to deliver. At the end of such thirty-day period, the
        Trustee
        or the Custodian, on its behalf shall send a Delay Delivery Certification
        for
        the Delay Delivery Mortgage Loans delivered during such thirty-day period
        in
        accordance with the provisions of Section 2.2. Notwithstanding anything to
        the
        contrary contained in this Agreement, none of the Mortgage Loans in the Trust
        Fund is or will be Delay Delivery Mortgage Loans.

       

      
        
          
          

        

        
          46

          
            

          

        

        
          
          

        

      

       

      SECTION
        2.2 Acceptance by Trustee of the Mortgage Loans.

       

      The
        Trustee or the Custodian, on behalf of the Trustee, acknowledges receipt
        of the
        documents identified in the Initial Certification in the form annexed hereto
        as
        Exhibit E and declares that it or the Custodian holds and will hold such
        documents and the other documents delivered to it or the Custodian, as
        applicable, constituting the Mortgage Files, and that it or the Custodian,
        as
        applicable, holds or will hold such other assets as are included in the Trust
        Fund, in trust for the exclusive use and benefit of all present and future
        Certificateholders. The Trustee acknowledges that the Custodian will maintain
        possession of the Mortgage Notes in the State of Texas, unless otherwise
        permitted by the Rating Agencies.

       

      The
        Trustee agrees to execute and deliver or to cause the Custodian to execute
        and
        deliver on the Closing Date to the Depositor and the Master Servicer an Initial
        Certification in the form annexed hereto as Exhibit E. Based on its or the
        Custodian’s review and examination, and only as to the documents identified in
        such Initial Certification, the Custodian, on behalf of the Trustee,
        acknowledges that such documents appear regular on their face and relate
        to such
        Mortgage Loan. Neither the Trustee nor the Custodian shall be under any duty
        or
        obligation to inspect, review or examine said documents, instruments,
        certificates or other papers to determine that the same are genuine, enforceable
        or appropriate for the represented purpose or that they have actually been
        recorded in the real estate records or that they are other than what they
        purport to be on their face.

       

      On
        or
        about the thirtieth (30th) day after the Closing Date, the Trustee shall
        deliver
        or shall cause the Custodian to deliver to the Depositor and the Master Servicer
        a Delay Delivery Certification in the form annexed hereto as Exhibit F, with
        any
        applicable exceptions noted thereon. Notwithstanding anything to the contrary
        contained in this Agreement, none of the Mortgage Loans in the Trust Fund
        is or
        will be Delay Delivery Mortgage Loans.

       

      
        
          
          

        

        
          47

          
            

          

        

        
          
          

        

      

       

      Not
        later
        than 90 days after the Closing Date, the Trustee shall deliver or shall cause
        the Custodian to deliver to the Depositor and the Master Servicer a Subsequent
        Certification in the form annexed hereto as Exhibit G, with any applicable
        exceptions noted thereon.

       

      If,
        in
        the course of such review, the Trustee or the Custodian, on behalf of the
        Trustee, finds any document constituting a part of a Mortgage File which
        does
        not meet the requirements of Section 2.1, the Trustee shall list or shall
        cause
        the Custodian to list such as an exception in the Subsequent Certification;
        provided, however that neither the Trustee nor the Custodian shall make any
        determination as to whether (i) any endorsement is sufficient to transfer
        all
        right, title and interest of the party so endorsing, as noteholder or assignee
        thereof, in and to that Mortgage Note or (ii) any assignment is in recordable
        form or is sufficient to effect the assignment of and transfer to the assignee
        thereof under the mortgage to which the assignment relates. The Seller shall
        promptly correct or cure such defect within 90 days from the date it was
        so
        notified of such defect and, if the Seller does not correct or cure such
        defect
        within such period, the Seller shall either (a) substitute for the related
        Mortgage Loan a Substitute Mortgage Loan, which substitution shall be
        accomplished in the manner and subject to the conditions set forth in Section
        2.3, or (b) purchase such Mortgage Loan from the Trustee within 90 days from
        the
        date the Seller was notified of such defect in writing at the Purchase Price
        of
        such Mortgage Loan; provided, however, that in no event shall such substitution
        or purchase occur more than 540 days from the Closing Date, except that if
        the
        substitution or purchase of a Mortgage Loan pursuant to this provision is
        required by reason of a delay in delivery of any documents by the appropriate
        recording office, and there is a dispute between either the Master Servicer
        or
        the Seller and the Trustee over the location or status of the recorded document,
        then such substitution or purchase shall occur within 720 days from the Closing
        Date. The Trustee shall deliver or shall cause the Custodian to deliver written
        notice to each Rating Agency within 270 days from the Closing Date indicating
        each Mortgage Loan (a) which has not been returned by the appropriate recording
        office or (b) as to which there is a dispute as to location or status of
        such
        Mortgage Loan. Such notice shall be delivered every 90 days thereafter until
        the
        related Mortgage Loan is returned to the Trustee or the Custodian on its
        behalf.
        Any such substitution pursuant to (a) above or purchase pursuant to (b) above
        shall not be effected prior to the delivery to the Trustee of the Opinion
        of
        Counsel required by Section 2.5 hereof, if any, and any substitution pursuant
        to
        (a) above shall not be effected prior to the additional delivery to the Trustee
        of a Request for Release substantially in the form of Exhibit L. No substitution
        is permitted to be made in any calendar month after the Determination Date
        for
        such month. The Purchase Price for any such Mortgage Loan shall be deposited
        by
        the Seller in the Certificate Account on or prior to the Distribution Account
        Deposit Date for the Distribution Date in the month following the month of
        repurchase and, upon receipt of such deposit and certification with respect
        thereto in the form of Exhibit M hereto (delivery of which to the Custodian
        will
        be by electronic data transmission or email), the Trustee shall cause the
        Custodian to release the related Mortgage File to the Seller and shall execute
        and deliver at the Seller’s request such instruments of transfer or assignment
        prepared by the Seller, in each case without recourse, as shall be necessary
        to
        vest in the Seller, or a designee, the Trustee’s interest in any Mortgage Loan
        released pursuant hereto. If pursuant to the foregoing provisions the Seller
        repurchases a Mortgage Loan that is a MERS Mortgage Loan, the Master Servicer
        shall either (i) cause MERS to execute and deliver an assignment of the Mortgage
        in recordable form to transfer the Mortgage from MERS to the Seller and shall
        cause such Mortgage to be removed from registration on the MERS® System in
        accordance with MERS’ rules and regulations or (ii) cause MERS to designate on
        the MERS® System the Seller as the beneficial holder of such Mortgage
        Loan.

       

      
        
          
          

        

        
          48

          
            

          

        

        
          
          

        

      

       

      The
        Trustee shall retain or shall cause the Custodian to retain possession and
        custody of each Mortgage File in accordance with and subject to the terms
        and
        conditions set forth herein. The Master Servicer shall promptly deliver to
        the
        Trustee or the Custodian on its behalf, upon the execution or receipt thereof,
        the originals of such other documents or instruments constituting the Mortgage
        File as come into the possession of the Master Servicer from time to
        time.

       

      It
        is
        understood and agreed that the obligation of the Seller to substitute for
        or to
        purchase any Mortgage Loan which does not meet the requirements of Section
        2.1
        above shall constitute the sole remedy respecting such defect available to
        the
        Trustee, the Depositor and any Certificateholder against the
        Seller.

       

      The
        mortgage loans permitted by the terms of this Agreement to be included in
        the
        Trust Fund are limited to (i) the Mortgage Loans (which the Depositor acquired
        pursuant to the MLPA, which contains, among other representations and
        warranties, a representation and warranty of the Seller that no Mortgage
        Loan is
        a “high cost loan” as defined by the specific applicable local, state or federal
        predatory and abusive lending laws, and (ii) Substitute Mortgage Loans (which,
        by definition as set forth in this Agreement and referred to in the MLPA,
        are
        required to conform to, among other representations and warranties, a
        representation and warranty of the Seller set forth in the MLPA that no
        Substitute Mortgage Loan is a “high cost loan” as defined by the specific
        applicable local, state or federal predatory and abusive lending laws). It
        is
        therefore understood and agreed by the parties hereto that it is not intended
        that any Mortgage Loan be included in the Trust Fund that is a “high cost loan”
as defined by the specific applicable local, state or federal predatory and
        abusive lending laws.

       

      SECTION
        2.3 Representations and Warranties of the Master Servicer; Covenants of the
        Seller. 

       

      
        	 	
                (a)

              	
                The
                  Master Servicer hereby makes the representations and warranties
                  set forth
                  in Schedule II hereto and by this reference incorporated herein,
                  to the
                  Depositor and the Trustee, as of the Closing Date, or if so specified
                  therein, as of the Cut-off Date.

              


      

       

      
        	 	
                (b)

              	
                Upon
                  discovery by any of the parties hereto of a breach of a representation
                  or
                  warranty made pursuant to Schedule B to the MLPA that materially
                  and
                  adversely affects the interests of the Certificateholders in any
                  Mortgage
                  Loan, the party discovering such breach shall give prompt notice
                  thereof
                  to the other parties. The Seller hereby covenants that within 90
                  days of
                  the earlier of its discovery or its receipt of written notice from
                  any
                  party of a breach of any representation or warranty made pursuant
                  to
                  Schedule B to the MLPA which materially and adversely affects the
                  interests of the Certificateholders in any Mortgage Loan, it shall
                  cure
                  such breach in all material respects, and if such breach is not
                  so cured,
                  shall, (i) if such 90-day period expires prior to the second anniversary
                  of the Closing Date, remove such Mortgage Loan (a “Deleted Mortgage Loan”)
                  from the Trust Fund and substitute in its place a Substitute Mortgage
                  Loan, in the manner and subject to the conditions set forth in
                  this
                  Section; or (ii) repurchase the affected Mortgage Loan or Mortgage
                  Loans
                  from the Trustee at the Purchase Price in the manner set forth
                  below;
                  provided, however, that any such substitution pursuant to (i) above
                  shall
                  not be effected prior to the delivery to the Trustee of the Opinion
                  of
                  Counsel required by Section 2.5 hereof, if any, and any such
                  substitution pursuant to (i) above shall not be effected prior
                  to the
                  additional delivery to the Trustee or the Custodian on its behalf
                  of a
                  Request for Release substantially in the form of Exhibit M (delivery
                  of
                  which to the Custodian will be by electronic data transmission
                  or email)
                  and the Mortgage File for any such Substitute Mortgage Loan. The
                  Seller
                  shall promptly reimburse the Master Servicer and the Trustee for
                  any
                  expenses reasonably incurred by the Master Servicer or the Trustee
                  in
                  respect of enforcing the remedies for such breach. With respect
                  to the
                  representations and warranties described in this Section which
                  are made to
                  the best of the Seller’s knowledge, if it is discovered by either the
                  Depositor, the Seller or the Trustee that the substance of such
                  representation and warranty is inaccurate and such inaccuracy materially
                  and adversely affects the value of the related Mortgage Loan or
                  the
                  interests of the Certificateholders therein, notwithstanding the
                  Seller’s
                  lack of knowledge with respect to the substance of such representation
                  or
                  warranty, such inaccuracy shall be deemed a breach of the applicable
                  representation or warranty.

              


      

       

      
        
          
          

        

        
          49

          
            

          

        

        
          
          

        

      

       

      With
        respect to any Substitute Mortgage Loan or Loans, the Seller shall deliver
        to
        the Trustee or the Custodian on its behalf for the benefit of the
        Certificateholders the Mortgage Note, the Mortgage, the related assignment
        of
        the Mortgage, and such other documents and agreements as are required by
        Section
        2.1, with the Mortgage Note endorsed and the Mortgage assigned as required
        by
        Section 2.1. No substitution is permitted to be made in any calendar month
        after
        the Determination Date for such month. Scheduled Payments due with respect
        to
        Substitute Mortgage Loans in the month of substitution shall not be part
        of the
        Trust Fund and will be retained by the Seller on the next succeeding
        Distribution Date. For the month of substitution, distributions to
        Certificateholders will include the monthly payment due on any Deleted Mortgage
        Loan for such month and thereafter the Seller shall be entitled to retain
        all
        amounts received in respect of such Deleted Mortgage Loan. The Master Servicer
        shall amend the Mortgage Loan Schedule for the benefit of the Certificateholders
        to reflect the removal of such Deleted Mortgage Loan and the substitution
        of the
        Substitute Mortgage Loan or Loans and the Master Servicer shall deliver the
        amended Mortgage Loan Schedule to the Trustee. Upon such substitution, the
        Substitute Mortgage Loan or Loans shall be subject to the terms of this
        Agreement in all respects, and the Seller shall be deemed to have made with
        respect to such Substitute Mortgage Loan or Loans, as of the date of
        substitution, the representations and warranties made pursuant to Schedule
        B to
        the MLPA with respect to such Mortgage Loan. Upon any such substitution and
        the
        deposit to the Certificate Account of the amount required to be deposited
        therein in connection with such substitution as described in the following
        paragraph, the Trustee shall upon the delivery to the Trustee of a Request
        for
        Release in the form of Exhibit L, release or shall cause the Custodian to
        release the Mortgage File held for the benefit of the Certificateholders
        relating to such Deleted Mortgage Loan to the Seller and shall execute and
        deliver at the Seller’s direction such instruments of transfer or assignment
        prepared by the Seller, in each case without recourse, as shall be necessary
        to
        vest title in the Seller, or its designee, the Trustee’s interest in any Deleted
        Mortgage Loan substituted for pursuant to this Section 2.3.

       

      
        
          
          

        

        
          50

          
            

          

        

        
          
          

        

      

       

      For
        any
        month in which the Seller substitutes one or more Substitute Mortgage Loans
        for
        one or more Deleted Mortgage Loans, the Master Servicer will determine the
        amount (if any) by which the aggregate principal balance of all such Substitute
        Mortgage Loans as of the date of substitution is less than the aggregate
        Stated
        Principal Balance of all such Deleted Mortgage Loans (after application of
        the
        scheduled principal portion of the monthly payments due in the month of
        substitution). The amount of such shortage (the “Substitution Adjustment
        Amount”) plus an amount equal to the aggregate of any unreimbursed Advances with
        respect to such Deleted Mortgage Loans shall be deposited in the Certificate
        Account by the Seller on or before the Distribution Account Deposit Date
        for the
        Distribution Date in the month succeeding the calendar month during which
        the
        related Mortgage Loan became required to be purchased or replaced
        hereunder.

       

      In
        the
        event that the Seller shall have repurchased a Mortgage Loan, the Purchase
        Price
        therefor shall be deposited in the Certificate Account pursuant to Section
        3.5
        on or before the Distribution Account Deposit Date for the Distribution Date
        in
        the month following the month during which the Seller became obligated hereunder
        to repurchase or replace such Mortgage Loan and upon such deposit of the
        Purchase Price, the delivery of the Opinion of Counsel required by Section
        2.5
        and receipt of a Request for Release in the form of Exhibit M hereto, the
        Trustee shall release or shall cause the Custodian to release the related
        Mortgage File held for the benefit of the Certificateholders to such Person,
        and
        the Trustee shall execute and deliver or shall cause the Custodian to execute
        and deliver at such Person’s direction such instruments of transfer or
        assignment prepared by such Person, in each case without recourse, as shall
        be
        necessary to transfer title from the Trustee. It is understood and agreed
        that
        the obligation under this Agreement of the Seller to cure, repurchase or
        replace
        any Mortgage Loan as to which a breach has occurred and is continuing shall
        constitute the sole remedy against the Seller respecting such breach available
        to Certificateholders, the Depositor or the Trustee on their
        behalf.

       

      After
        giving effect to the sale of the Certificates by the Depositor to the
        Underwriter, and thereafter, so long as any Certificates remain outstanding,
        the
        Seller, its affiliates and agents, collectively, shall not beneficially own
        Certificates the aggregate fair value of which would represent 90% or more
        of
        the beneficial interests in the Trust Fund.

       

      The
        representations and warranties made pursuant to this Section 2.3 shall survive
        delivery of the respective Mortgage Files to the Trustee or the Custodian
        for
        the benefit of the Certificateholders.

       

      SECTION
        2.4 Representations and Warranties of the Depositor as to the Mortgage
        Loans.

       

      The
        Depositor hereby represents and warrants to the Trustee with respect to each
        Mortgage Loan as of the date hereof or such other date set forth herein that
        as
        of the Closing Date, and following the transfer of the Mortgage Loans to
        it
        pursuant to the MLPA and immediately prior to the conveyance of the Mortgage
        Loans by it to the Trustee pursuant to Section 2.1(a) hereof, the Depositor
        had
        good title to the Mortgage Loans and the Mortgage Notes were subject to no
        offsets, defenses or counterclaims.

       

      
        
          
          

        

        
          51

          
            

          

        

        
          
          

        

      

       

      It
        is
        understood and agreed that the representations and warranties set forth in
        this
        Section 2.4 shall survive delivery of the Mortgage Files to the Trustee.
        Upon
        discovery by the Depositor or the Trustee of a breach of any of the foregoing
        representations and warranties set forth in this Section 2.4 (referred to
        herein
        as a “breach”), which breach materially and adversely affects the interest of
        the Certificateholders, the party discovering such breach shall give prompt
        written notice to the others and to each Rating Agency.

       

      SECTION
        2.5 Delivery of Opinion of Counsel in Connection with
        Substitutions.

       

      
        	 	
                (a)

              	
                Notwithstanding
                  any contrary provision of this Agreement, no substitution pursuant
                  to
                  Section 2.2 or Section 2.3 shall be made more than 90 days after
                  the
                  Closing Date unless the Depositor delivers to the Trustee an Opinion
                  of
                  Counsel, which Opinion of Counsel shall not be at the expense of
                  either
                  the Trustee or the Trust Fund, addressed to the Trustee, to the
                  effect
                  that such substitution will not (i) result in the imposition of
                  the tax on
                  “prohibited transactions” on the Trust Fund or contributions after the
                  Startup Date, as defined in Sections 860F(a)(2) and 860G(d) of
                  the Code,
                  respectively, or (ii) cause any REMIC created hereunder to fail
                  to qualify
                  as a REMIC at any time that any Certificates are
                  outstanding.

              


      

       

      
        	 	
                (b)

              	
                Upon
                  discovery by the Depositor, the Master Servicer or the Trustee
                  that any
                  Mortgage Loan does not constitute a “qualified mortgage” within the
                  meaning of Section 860G(a)(3) of the Code, the party discovering
                  such fact
                  shall promptly (and in any event within five (5) Business Days
                  of
                  discovery) give written notice thereof to the other parties. In
                  connection
                  therewith, the Trustee shall require the Depositor to cause the
                  Seller,
                  pursuant to the MLPA and at the Seller’s option, to either (i) substitute,
                  if the conditions in Section 2.3(b) with respect to substitutions
                  are
                  satisfied, a Substitute Mortgage Loan for the affected Mortgage
                  Loan, or
                  (ii) repurchase the affected Mortgage Loan within 90 days of such
                  discovery in the same manner as it would a Mortgage Loan for a
                  breach of
                  representation or warranty made pursuant to Section 2.3. The Trustee
                  shall
                  reconvey or shall cause the Custodian to reconvey to the Seller
                  the
                  Mortgage Loan to be released pursuant hereto in the same manner,
                  and on
                  the same terms and conditions, as it would a Mortgage Loan repurchased
                  for
                  breach of a representation or warranty contained in Section
                  2.3.

              


      

       

      SECTION
        2.6 Execution and Delivery of Certificates.

       

      The
        Trustee acknowledges the transfer and assignment to it of the Trust Fund
        and,
        concurrently with such transfer and assignment, has executed and delivered
        to or
        upon the order of the Depositor, the Certificates in authorized denominations
        evidencing directly or indirectly the entire ownership of the Trust Fund.
        The
        Trustee agrees to hold the Trust Fund and exercise the rights referred to
        above
        for the benefit of all present and future Holders of the Certificates and
        to
        perform the duties set forth in this Agreement to the best of its ability,
        to
        the end that the interests of the Holders of the Certificates may be
        adequately
        and
        effectively protected.

       

      
        
          
          

        

        
          52

          
            

          

        

        
          
          

        

      

       

      SECTION
        2.7 REMIC Matters.

       

      The
        Preliminary Statement sets forth the “latest possible maturity date” for federal
        income tax purposes of all REMIC regular interests created hereby. 

       

      The
        assets of the Lower REMIC shall be as set forth in the definition thereof.
        Each
        interest identified in the first table below by a designation beginning with
“L”
shall be a “regular interest” in the Lower REMIC and a Lower REMIC Interest, and
        the RL Interest shall be the sole class of residual interest in the Lower
        REMIC.
        The Lower REMIC Interests shall be uncertificated and shall be held by the
        Trustee as assets of the Middle REMIC. 

       

      The
        assets of the Middle REMIC shall be as set forth in the definition thereof.
        Each
        interest identified in the second table below by a designation beginning
        with
“M” shall be a “regular interest” in the Middle REMIC and a Middle REMIC
        Interest, and the RM Interest shall be the sole class of residual interest
        in
        the Middle REMIC. The Middle REMIC Interests shall be uncertificated and
        shall
        be held by the Trustee as assets of the Upper REMIC. 

       

      The
        assets of the Upper REMIC shall be as set forth in the definition thereof.
        The
“regular interests” in the Upper REMIC are represented by the Regular
        Certificates. The Class I-A-1 Certificates shall also represent the right
        to
        receive the Yield Supplement Amount, which shall not be a part of any REMIC
        hereunder but shall constitute contractual rights coupled with regular interests
        within the meaning of Treasury regulations section 1.860G-2(i). The RU Interest
        shall be the sole class of residual interest in the Upper REMIC. The
        Class I-A-R Certificate shall represent ownership of the RL Interest, RM
        Interest and RU Interest. 

       

      The
        “Startup Day” for purposes of the REMIC Provisions for each REMIC hereunder
        shall be the Closing Date. The Tax Matters Person with respect to each REMIC
        hereunder shall be the Trustee and the Trustee shall hold the Tax Matters
        Person
        Certificate. Each REMIC’s taxable year shall be the calendar year and its
        accounts shall be maintained using the accrual method.

       

      
        
          
          

        

        
          53

          
            

          

        

        
          
          

        

      

       

      
        	 	 	
                Lower
                  REMIC 

              	
                 

              	
                Lower
                  REMIC 

              	 	
                Corresponding
                  Class of Middle REMIC Interests

              	 
	
                Lower
                  REMIC Interest or Residual

              	 	
                Interest
                  Balance

              	 	
                Interest
                  Rate

              	 	
                Interest

              	 	
                Principal

              	 
	
                L-I-A-1

              	 	
                $

              	
                123,191.63

              	 	 	
                6.00

              	
                %

              	 	
                (1

              	
                )

              	 	
                (1

              	
                )

              
	
                L-I-A-2

              	 	
                $

              	
                13,687.96

              	 	 	
                6.00

              	
                %

              	 	
                (1

              	
                )

              	 	
                (1

              	
                )

              
	
                L-I-ZZZ

              	 	
                $

              	
                364,332,178.86

              	 	 	
                6.00

              	
                %

              	 	
                (1

              	
                )

              	 	
                (1

              	
                )

              
	
                L-I-PO

              	 	
                $

              	
                545,739.27

              	 	 	
                N/A

              	 	 	
                (1

              	
                )

              	 	
                (1

              	
                )

              
	
                RL

              	 	
                $

              	
                0.00

              	 	 	
                N/A

              	 	 	
                N/A

              	 	 	
                N/A

              	 
	
                L-II-A-1

              	 	
                $

              	
                7,107.41

              	 	 	
                5.50

              	
                %

              	 	
                (1

              	
                )

              	 	
                (1

              	
                )

              
	
                L-II-A-2

              	 	
                $

              	
                789.71

              	 	 	
                5.50

              	
                %

              	 	
                (1

              	
                )

              	 	
                (1

              	
                )

              
	
                L-II-ZZZ

              	 	
                $

              	
                20,990,814.95

              	 	 	
                5.50

              	
                %

              	 	
                (1

              	
                )

              	 	
                (1

              	
                )

              
	
                L-II-PO

              	 	
                $

              	
                43,688.14
                  

              	 	 	
                N/A

              	 	 	
                (1

              	
                )

              	 	
                (1

              	
                )

              
	
                Total

              	 	
                $

              	
                386,057,197.93

              	 	 	 	 	 	 	 	 	 	 


      

    


    (1) The
      Lower
      REMIC Interest L-I-A-1, Lower REMIC Interest L-I-A-2 and Lower REMIC Interest
      L-I-ZZZ shall be Corresponding Classes to these classes of Middle REMIC
      Interests: M-I-A-1, M-I-A-2, M-I-A-3, M-I-A-5, M-I-A-6, M-I-A-7, M-I-A-8,
      M-I-A-9, M-I-A-10, M-I-A-11, M-I-A-12, M-I-A-13, M-I-A-15, M-I-A-16, M-I-A-17,
      M-I-A-RU, M-B-1, M-B-2, M-B-3, M-B-4, M-B-5 and M-B-6 (provided that with
      respect to M-B-1, M-B-2, M-B-3, M-B-4, M-B-5 and M-B-6, such Lower REMIC
      Interests shall only correspond to the portion supported by Pool I). The
      Lower REMIC Interest L-I-PO corresponds to the Middle REMIC Interest M-I-PO.
      The
      Lower REMIC Interest L-II-A-1, Lower REMIC L-II-A-2 and Lower REMIC Interest
      L-II-ZZZ shall be Corresponding Classes to these classes of Middle REMIC
      Interests: M-II-A-1, M-B-1, M-B-2, M-B-3, M-B-4, M-B-5 and M-B-6 (provided
      that
      with respect to M-B-1, M-B-2, M-B-3, M-B-4, M-B-5 and M-B-6, such Lower REMIC
      Interests shall only correspond to the portion supported by Pool II). The Lower
      REMIC Interest L-II-PO corresponds to the Middle REMIC Interest M-II-PO.


     

    “L1
      Interests” refers to the L-I-A-1 Lower REMIC Interest and the L-II-A-1 Lower
      REMIC Interest. “L2 Interests” refers to the L-I-A-2 Lower REMIC Interest and
      the L-II-A-2 Lower REMIC Interest. “LZZZ Interests” refers to L-I-ZZZ Lower
      REMIC Interest and L-II-ZZZ Lower REMIC Interest. “LPO Interests” refer to the
      L-I-PO Lower REMIC Interest and the L-II-PO Lower REMIC Interest. Each L1
      Interest shall have a principal balance initially equal to 0.9% of the Group
      Subordinate Amount of its corresponding Mortgage Pool. Each L2 Interest shall
      have a principal balance initially equal to 0.1% of the Group Subordinate Amount
      of its corresponding Mortgage Pool. The initial principal balance of each
      LZZZ Interest shall equal the excess of the Pool Principal Balance of its
      corresponding Mortgage Pool over the sum of (i) the initial principal balances
      of the L1 Interests and L2 Interests corresponding to such Mortgage Pool, and
      (ii) the portion of the LPO Interest attributable to the Discount Mortgage
      Loans
      in the Mortgage Pool corresponding to such LZZZ Interest.

     

    
      
        
        

      

      
        54

        
          

        

      

      
        
        

      

    

     

    Unless
      a
      Cross-over Situation (as defined below) exists, principal and Realized Losses
      arising with respect to each Mortgage Pool shall be allocated first to cause
      the
      L1 and L2 Interests corresponding to such Mortgage Pool to equal 0.9% and 0.1%
      of the Group Subordinate Amount of such Mortgage Pool as of such Distribution
      Date (after distributions of principal and allocation of Realized Losses are
      made) and all excess principal and Realized Losses shall be allocated to the
      LZZZ Interest corresponding to such Mortgage Pool. A L1, L2 or LZZZ Interest
      that is allocated principal on any Distribution Date shall receive such
      principal, and have its principal balance reduced by the amount of such
      principal, on such Distribution Date. Similarly, a L1, L2 or LZZZ Interest
      that
      is allocated a Realized Loss on any Distribution Date shall have its principal
      balance reduced by the amount of such Realized Loss on such Distribution Date.
      

     

    A
      “Cross-over Situation” exists if on any Distribution Date (after taking into
      account distributions of principal and allocations of Realized Losses on such
      Distribution Date) the L1 and L2 Interests corresponding to any Mortgage Pool
      are in the aggregate less than 1% of the Group Subordinate Amount of the
      corresponding Mortgage Pool. If a Cross-over Situation exists on any
      Distribution Date, and the weighted average interest rate of the outstanding
      L1
      and L2 Interests is less than the Pass-Through Rate for any Class of Subordinate
      Certificates for the following Distribution Date, a Principal Reallocation
      Payment (as defined below) shall be made proportionately to the outstanding
      L1
      Interests prior to any other distributions of principal from each such Mortgage
      Pool so that the Calculation Rate equals the Pass-Through Rate for each Class
      of
      Subordinate Certificates. If a Cross-over Situation exists on any Distribution
      Date, and the weighted average rate of the outstanding L1 and L2 Interests
      is
      greater than the Pass-Through Rate for any Class of Subordinate Certificates
      for
      the following Distribution Date, a Principal Reallocation Payment shall be
      made
      proportionately to the outstanding L2 Interests prior to any other distributions
      of principal from each such Mortgage Pool so that the Calculation Rate equals
      the Pass-Through Rate for each Class of Subordinate Certificates. A “Principal
      Reallocation Payment” is a distribution of the minimum amount of principal that
      causes the Calculation Rate (as defined below) with respect to the outstanding
      L1 and L2 Interests to equal the Pass-Through Rate for each Class of Subordinate
      Certificates. The “Calculation Rate” shall equal the product of (i) 10 and (ii)
      the weighted average interest rate of the outstanding L1 and L2 Interests,
      treating each L1 Interest as capped at zero or reduced by a fixed percentage
      of
      100% of the interest accruing on such class. Principal Reallocation Payments
      shall be made from principal received on the Mortgage Loans from a Mortgage
      Pool
      and shall also consist of a proportionate allocation of Realized Losses from
      the
      Mortgage Loans of a Mortgage Pool. For purposes of making Principal Reallocation
      Payments, to the extent that the principal received during the applicable
      collection period from the related Mortgage Pool and related Realized Losses
      are
      insufficient to make the necessary reduction of principal, then interest shall
      accrue on the LZZZ Interest (and be added to its principal balance) of the
      related Mortgage Pool to allow the necessary Principal Reallocation Payment
      to
      be made. The Calculation Rate is designed to always equal the Pass-Through
      Rate
      of each Class of Subordinated Certificates.

     

    
      
        
        

      

      
        55

        
          

        

      

      
        
        

      

    

     

    If
      a
      Cross-over Situation exists, the aggregate principal balances of the outstanding
      L1 and L2 Interests of all of the Mortgage Pools shall not be reduced below
      one
      percent of the aggregate Pool Principal Balance of all of the Mortgage Pools
      for
      the following Distribution Date in excess of the Senior Certificates as of
      the
      related Distribution Date (after taking into account distributions of principal
      and allocations of Realized Losses on such Distribution Date). To the extent
      this limitation prevents the distribution of principal to the L1 and L2
      Interests of a Mortgage Pool and the related LZZZ Interest has already been
      reduced to zero, such excess principal from such Mortgage Pool shall be paid
      proportionately to the LZZZ Interests of the Mortgage Pool whose aggregate
      L1
      and L2 Interests are less than one percent of the related Group Subordinate
      Amount. Any such shortfall as a result of the Mortgage Pool receiving the extra
      payment having a Designated Mortgage Pool Rate (as defined below) lower than
      the
      Designated Mortgage Pool Rate of the Mortgage Pool from which the payment was
      reallocated shall be treated as a Realized Loss and if excess arises as a result
      of the Mortgage Pool receiving the extra payment having a Designated Mortgage
      Pool Rate higher than the Mortgage Pool from which the payment was reallocated
      it shall reimburse the Middle REMIC for prior Realized Losses. 

    

      
        	
                Middle

              	
                 

              	
                Middle
                  REMIC 

              	 	
                Middle
                  REMIC 

              	 	
                Corresponding
                  Class or Interest

              	 
	
                REMIC
                  Interest or Residual

              	 	
                Interest
                  Balance

              	 	
                Interest
                  Rate

              	 	
                Interest

              	 	
                Principal

              	 
	
                M-I-A-1

              	 	
                $

              	
                100,000,000.00

              	 	 	
                6.00

              	
                %

              	 	
                I-A-1

              	 	 	
                I-A-1

              	 
	
                M-I-A-2

              	 	
                $

              	
                32,850,000.00

              	 	 	
                6.00

              	
                %

              	 	
                I-A-2,
                  I-A-14

              	 	 	
                I-A-2

              	 
	
                M-I-A-3

              	 	
                $

              	
                3,651,000.00

              	 	 	
                6.00

              	
                %

              	 	
                I-A-3

              	 	 	
                I-A-3

              	 
	
                M-I-A-5

              	 	
                $

              	
                30,825,000.00

              	 	 	
                6.00

              	
                %

              	 	
                I-A-5,
                  I-A-4

              	 	 	
                I-A-5

              	 
	
                M-I-A-6

              	 	
                $

              	
                65,000,000.00

              	 	 	
                6.00

              	
                %

              	 	
                I-A-6,
                  I-A-4

              	 	 	
                I-A-6

              	 
	
                M-I-A-7

              	 	
                $

              	
                30,825,000.00

              	 	 	
                6.00

              	
                %

              	 	
                I-A-7

              	 	 	
                I-A-7

              	 
	
                M-I-A-8

              	 	
                $

              	
                4,935,000.00

              	 	 	
                6.00

              	
                %

              	 	
                I-A-8,
                  I-A-4

              	 	 	
                I-A-8

              	 
	
                M-I-A-9

              	 	
                $

              	
                26,111,000.00

              	 	 	
                6.00

              	
                %

              	 	
                I-A-9,
                  I-A-4

              	 	 	
                I-A-9

              	 
	
                M-I-A-10

              	 	
                $

              	
                1,181,000.00

              	 	 	
                6.00

              	
                %

              	 	
                I-A-10,
                  I-A-4

              	 	 	
                I-A-10

              	 
	
                M-I-A-11

              	 	
                $

              	
                3,897,000.00

              	 	 	
                6.00

              	
                %

              	 	
                I-A-11

              	 	 	
                I-A-11

              	 
	
                M-I-A-12

              	 	
                $

              	
                10,000.00

              	 	 	
                6.00

              	
                %

              	 	
                I-A-12

              	 	 	
                I-A-12

              	 
	
                M-I-A-13

              	 	
                $

              	
                10,000.00

              	 	 	
                6.00

              	
                %

              	 	
                I-A-13

              	 	 	
                I-A-13

              	 
	
                M-I-A-15

              	 	
                $

              	
                46,345,000.00

              	 	 	
                6.00

              	
                %

              	 	
                I-A-15

              	 	 	
                I-A-15

              	 
	
                M-I-A-16

              	 	
                $

              	
                1,806,000.00

              	 	 	
                6.00

              	
                %

              	 	
                I-A-16

              	 	 	
                I-A-16

              	 
	
                M-I-A-17

              	 	
                $

              	
                3,335,000.00

              	 	 	
                6.00

              	
                %

              	 	
                I-A-17

              	 	 	
                I-A-17

              	 
	
                M-I-A-RU

              	 	
                $

              	
                100.00

              	 	 	
                6.00

              	
                %

              	 	
                RU
                  Interest

              	 	 	
                RU
                  Interest

              	 
	
                M-I-PO

              	 	
                $

              	
                545,739.27

              	 	 	
                N/A

              	 	 	
                N/A

              	 	 	
                I-A-PO

              	 
	
                M-II-A-1

              	 	
                $

              	
                20,209,000.00

              	 	 	
                5.50

              	
                %

              	 	
                II-A-1

              	 	 	
                II-A-1

              	 
	
                M-II-PO

              	 	
                $

              	
                43,688.14

              	 	 	
                N/A

              	 	 	
                N/A

              	 	 	
                II-A-PO

              	 
	
                M-B-1

              	 	
                $

              	
                9,265,000.00
                  

              	 	 	
                (1

              	
                )

              	 	
                B-1

              	 	 	
                B-1

              	 
	
                M-B-2

              	 	
                $

              	
                2,124,000.00

              	 	 	
                (1

              	
                )

              	 	
                B-2

              	 	 	
                B-2

              	 
	
                M-B-3

              	 	
                $

              	
                1,158,000.00

              	 	 	
                (1

              	
                )

              	 	
                B-3

              	 	 	
                B-3

              	 
	
                M-B-4

              	 	
                $

              	
                772,000.00

              	 	 	
                (1

              	
                )

              	 	
                B-4

              	 	 	
                B-4

              	 
	
                M-B-5

              	 	
                $

              	
                579,000.00

              	 	 	
                (1

              	
                )

              	 	
                B-5

              	 	 	
                B-5

              	 
	
                M-B-6

              	 	
                $

              	
                579,670.52

              	 	 	
                (1

              	
                )

              	 	
                B-6

              	 	 	
                B-6

              	 
	
                RM

              	 	
                $

              	
                0.00

              	 	 	
                N/A

              	 	 	
                N/A

              	 	 	
                N/A

              	 
	
                Total

              	 	
                $

              	
                386,057,197.93

              	 	 	 	 	 	 	 	 	 	 


      

    

    
       

      (1) The
        Middle REMIC Interest Rate for the Middle REMIC Interest M-B-1, Middle REMIC
        Interest M-B-2, Middle REMIC Interest M-B-3, Middle REMIC Interest M-B-4,
        Middle
        REMIC Interest M-B-5, Middle REMIC Interest M-B-6 shall equal the Calculation
        Rate as defined in this Section 2.7. The Pass-Through Rate on each Class
        of
        Subordinated Certificates is variable and will be equal to the weighted average
        of the Middle REMIC Interest Rates on Middle REMIC Interest M-B-1, Middle
        REMIC
        Interest M-B-2, Middle REMIC Interest M-B-3, Middle REMIC Interest M-B-4,
        Middle
        REMIC Interest M-B-5, Middle REMIC Interest M-B-6, weighted on the basis
        of the
        principal balance of each such Middle REMIC Interest.

       

    

    
      
        
        

      

      
        56

        
          

        

      

      
        
        

      

    

     

    On
      each
      Distribution Date Available Funds shall be distributed with respect to the
      Middle REMIC Interests in a manner such that:

     

    
      	 	
              (a)

            	
              interest
                accrued, if any, on each Middle REMIC Interest is distributed with
                respect
                to each such Middle REMIC Interest in the same manner that Accrued
                Certificate Interest is distributed with respect to the Corresponding
                Class or Classes of Certificates pursuant to Section 4.2;
                and

            


    

     

    
      	 	
              (b)

            	
              principal
                is distributed (and Realized Losses shall be allocated) with respect
                to
                each such Middle REMIC Interest in the same manner that principal
                is
                distributed (and Realized Losses is allocated) with respect to the
                Corresponding Class or Classes of Certificates pursuant to
                Section 4.2 and
                Section 4.4.

            


    

     

    The
      Class
      L-I-PO Interest shall be entitled to receive the Class PO Principal Distribution
      Amount for Pool I.

     

    The
      Class
      L-II-PO Interest shall be entitled to receive the Class PO Principal
      Distribution Amount for Pool II.

     

    
      
        
        

      

      
        57

        
          

        

      

      
        
        

      

    

     

    The
      foregoing REMIC structure is intended to cause all of the cash from the Mortgage
      Loans to flow through to the Upper REMIC as cash flow on a REMIC regular
      interest, without creating any shortfall-actual or potential (other than for
      credit losses) to any REMIC regular interest. To the extent that the structure
      is believed to diverge from such intention the Trustee shall resolve ambiguities
      to accomplish such result and shall to the extent necessary rectify any drafting
      errors or seek clarification to the structure without Certificateholder approval
      (but with guidance of counsel) to accomplish such intention.

     

    SECTION
      2.8 Covenants of the Master Servicer.

     

    The
      Master Servicer hereby covenants to the Depositor and the Trustee as
      follows:

     

    
      	 	
              (a)

            	
              the
                Master Servicer shall comply in the performance of its obligations
                under
                this Agreement with all reasonable rules and requirements of the
                insurer
                under each Required Insurance Policy;
                and

            


    

     

    
      	 	
              (b)

            	
              no
                written information, certificate of an officer, statement furnished
                in
                writing or written report delivered to the Depositor, any affiliate
                of the
                Depositor or the Trustee and prepared by the Master Servicer pursuant
                to
                this Agreement will contain any untrue statement of a material fact
                or
                omit to state a material fact necessary to make such information,
                certificate, statement or report not
                misleading.

            


    

     

    ARTICLE
      III

    ADMINISTRATION
      AND SERVICING OF MORTGAGE LOANS

     

    SECTION
      3.1 Master Servicer to Service Mortgage Loans.

     

    For
      and
      on behalf of the Certificateholders, the Master Servicer shall service and
      administer the Mortgage Loans in accordance with the terms of (i) the
      Servicing Rights Transfer and Subservicing Agreement, pursuant to which First
      Tennessee Mortgage Services, Inc. engaged the Master Servicer to subservice
      the
      Mortgage Loans, (ii) this Agreement and (iii) the customary and usual standards
      of practice of prudent mortgage loan servicers;
      provided that if there is a conflict between the terms of the Servicing
      Agreement and the Servicing Rights Transfer and Subservicing Agreement, on
      the
      one hand, and this Agreement, on the other hand, the terms of this Agreement
      shall prevail.
      In
      connection with such servicing and administration, the Master Servicer shall
      have full power and authority, acting alone and/or through Subservicers as
      provided in Section 3.2 hereof, to do or cause to be done any and all things
      that it may deem necessary or desirable in connection with such servicing and
      administration, including but not limited to, the power and authority, subject
      to the terms hereof (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 (but only
      in the manner provided in this Agreement), (iii) to collect any Insurance
      Proceeds and other Liquidation Proceeds, and (iv) to effectuate foreclosure
      or
      other conversion of the ownership of the Mortgaged Property securing any
      Mortgage Loan; provided that the Master Servicer shall not take any action
      that
      is inconsistent with or prejudices the interests of the Trust Fund 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 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 permit any modification, waiver or amendment of any Mortgage
      Loan which would cause any REMIC created hereunder 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 the Depositor and the Trustee,
      is
      hereby authorized and empowered by the Depositor and the Trustee, when the
      Master Servicer believes it appropriate in its reasonable judgment, to execute
      and deliver, on behalf of the Trustee, the Depositor, the Certificateholders
      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
      held
      for the benefit of the Certificateholders. The Master Servicer shall prepare
      and
      deliver to the Depositor and/or the Trustee such documents requiring execution
      and delivery by either or both of them as are necessary or appropriate to enable
      the Master Servicer to service and administer the Mortgage Loans to the extent
      that the Master Servicer is not permitted to execute and deliver such documents
      pursuant to the preceding sentence. Upon receipt of such documents, the
      Depositor and/or the Trustee shall execute such documents and deliver them
      to
      the Master Servicer. 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 the Subservicer, when the Master Servicer or the
      Subservicer as the case may be, believes it appropriate in its best judgment
      to
      register any Mortgage Loan on the MERS® System, or cause the removal from the
      registration of any 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.

     

    
      
        
        

      

      
        58

        
          

        

      

      
        
        

      

    

     

    In
      accordance with the standards of the preceding paragraph, the Master Servicer
      shall advance or cause to be advanced funds as necessary for the purpose of
      effecting the payment of taxes and assessments on the Mortgaged Properties,
      which advances shall be reimbursable in the first instance from related
      collections from the Mortgagors pursuant to Section 3.6, and further as provided
      in Section 3.8. The costs incurred by the Master Servicer, if any, in effecting
      the timely payments of taxes and assessments on the Mortgaged Properties and
      related insurance premiums shall not, for the purpose of calculating monthly
      distributions to the Certificateholders, be added to the Stated Principal
      Balances of the related Mortgage Loans, notwithstanding that the terms of such
      Mortgage Loans so permit.

     

    SECTION
      3.2 Subservicing; Enforcement of the Obligations of Servicers.

     

    
      	 	
              (a)

            	
              The
                Master Servicer may arrange for the subservicing of any Mortgage
                Loan by a
                Subservicer pursuant to a subservicing agreement; provided, however,
                that
                such subservicing arrangement and the terms of the related subservicing
                agreement must provide for the servicing of such Mortgage Loans in
                a
                manner consistent with the servicing arrangements contemplated hereunder.
                Unless the context otherwise requires, references in this Agreement
                to
                actions taken or to be taken by the Master Servicer in servicing
                the
                Mortgage Loans include actions taken or to be taken by a Subservicer
                on
                behalf of the Master Servicer. Notwithstanding the provisions of
                any
                subservicing agreement, any of the provisions of this Agreement relating
                to agreements or arrangements between the Master Servicer and a
                Subservicer or reference to actions taken through a Subservicer or
                otherwise, the Master Servicer shall remain obligated and liable
                to the
                Depositor, the Trustee and the Certificateholders for the servicing
                and
                administration of the Mortgage Loans in accordance with the provisions
                of
                this Agreement without diminution of such obligation or liability
                by
                virtue of such subservicing agreements or arrangements or by virtue
                of
                indemnification from the Subservicer and to the same extent and under
                the
                same terms and conditions as if the Master Servicer alone were servicing
                and administering the Mortgage Loans. All actions of each Subservicer
                performed pursuant to the related subservicing agreement shall be
                performed as an agent of the Master Servicer with the same force
                and
                effect as if performed directly by the Master
                Servicer.

            


    

     

    
      
        
        

      

      
        59

        
          

        

      

      
        
        

      

    

     

    
      	 	
              (b)

            	
              For
                purposes of this Agreement, the Master Servicer shall be deemed to
                have
                received any collections, recoveries or payments with respect to
                the
                Mortgage Loans that are received by a Subservicer regardless of whether
                such payments are remitted by the Subservicer to the Master
                Servicer.

            


    

     

    SECTION
      3.3 Rights of the Depositor and the Trustee in Respect of the Master
      Servicer.

     

    The
      Depositor may, but is not obligated to, enforce the obligations of the Master
      Servicer hereunder and may, but is not obligated to, perform, or cause a
      designee to perform, any defaulted obligation of the Master Servicer hereunder
      and in connection with any such defaulted obligation to exercise the related
      rights of the Master Servicer hereunder; provided that the Master Servicer
      shall
      not be relieved of any of its obligations hereunder by virtue of such
      performance by the Depositor or its designee. Neither the Trustee nor the
      Depositor shall have any responsibility or liability for any action or failure
      to act by the Master Servicer nor shall the Trustee or the Depositor be
      obligated to supervise the performance of the Master Servicer hereunder or
      otherwise.

     

    SECTION
      3.4 Trustee to Act as Master Servicer.

     

    In
      the
      event that the Master Servicer shall for any reason no longer be the Master
      Servicer hereunder (including by reason of an Event of Default), the Trustee
      or
      its successor shall thereupon assume all of the rights and obligations of the
      Master Servicer hereunder arising thereafter (except that the Trustee shall
      not
      be (i) liable for losses of the Master Servicer pursuant to Section 3.9
      hereof or any acts or omissions of the predecessor Master Servicer hereunder),
      (ii) obligated to make Advances if it is prohibited from doing so by applicable
      law, (iii) obligated to effectuate repurchases or substitutions of Mortgage
      Loans hereunder including, but not limited to, repurchases or substitutions
      of
      Mortgage Loans pursuant to Section 2.2 or 2.3 hereof, (iv) responsible for
      expenses of the Master Servicer pursuant to Section 2.3 or (v) deemed to have
      made any representations and warranties of the Master Servicer hereunder).
      Any
      such assumption shall be subject to Section 7.2 hereof. If the Master Servicer
      shall for any reason no longer be the Master Servicer (including by reason
      of
      any Event of Default), the Trustee or its successor shall succeed to any rights
      and obligations of the Master Servicer under each subservicing
      agreement.

     

    
      
        
        

      

      
        60

        
          

        

      

      
        
        

      

    

     

    The
      Master Servicer shall, upon request of the Trustee, but at the expense of the
      Master Servicer, deliver to the assuming party all documents and records
      relating to each subservicing agreement or substitute subservicing agreement
      and
      the Mortgage Loans then being serviced thereunder and an accounting of amounts
      collected or held by it and otherwise use its best efforts to effect the orderly
      and efficient transfer of the substitute subservicing agreement to the assuming
      party.

     

    SECTION
      3.5 Collection of Mortgage Loan Payments; Certificate Account; Distribution
      Account.

     

    
      	 	
              (a)

            	
              The
                Master Servicer shall make reasonable efforts in accordance with
                the
                customary and usual standards of practice of prudent mortgage servicers
                to
                collect all payments called for under the terms and provisions of
                the
                Mortgage Loans to the extent such procedures shall be consistent
                with this
                Agreement and the terms and provisions of any related Required Insurance
                Policy. Consistent with the foregoing, the Master Servicer may 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 for
                a period
                not greater than 180 days; provided, however, that the Master Servicer
                cannot extend the maturity of any such Mortgage Loan past the date
                on
                which the final payment is due on the latest maturing Mortgage Loan
                as of
                the Cut-off Date. In the event of any such arrangement, the Master
                Servicer shall make Advances on the related Mortgage Loan in accordance
                with the provisions of Section 4.1 during the scheduled period in
                accordance with the amortization schedule of such Mortgage Loan without
                modification thereof by reason of such arrangements. The Master Servicer
                shall not be required to institute or join in litigation with respect
                to
                collection of any payment (whether under a Mortgage, Mortgage Note
                or
                otherwise or against any public or governmental authority with respect
                to
                a taking or condemnation) if it reasonably believes that enforcing
                the
                provision of the Mortgage or other instrument pursuant to which such
                payment is required is prohibited by applicable
                law.

            


    

     

    
      	 	
              (b)

            	
              The
                Master Servicer shall establish and maintain the Certificate Account.
                The
                Certificate Account shall consist of two separate subaccounts, each
                of
                which shall relate to a particular Mortgage Pool. The Master Servicer
                shall deposit or cause to be deposited into the appropriate subaccount
                of
                the Certificate Account no later than two Business Days after receipt,
                except as otherwise specifically provided herein, the following payments
                and collections remitted by Subservicers or received by it in respect
                of
                the Mortgage Loans subsequent to the Cut-off Date (other than in
                respect
                of principal and interest due on the Mortgage Loans on or before
                the
                Cut-off Date) and the following amounts required to be deposited
                hereunder:

            


    

    
       

      
        	 	
                (i)

              	
                all
                  payments on account of principal on the Mortgage Loans in the related
                  Mortgage Pool, including Principal
                  Prepayments;

              


      

       

    

    
      
        
        

      

      
        61

        
          

        

      

      
        
        

      

    

     

    
      	 	
              (ii)

            	
              all
                payments on account of interest on the Mortgage Loans in the related
                Mortgage Pool, net of the related Master Servicing Fee, any Prepayment
                Interest Excess and, for so long as First Horizon is the Master Servicer,
                any Retained Yield;

            


    

     

    
      	 	
              (iii)

            	
              all
                Insurance Proceeds and Liquidation Proceeds in respect of the related
                Mortgage Loans in the related Mortgage Pool, other than proceeds
                to be
                applied to the restoration or repair of the Mortgaged Property or
                released
                to the Mortgagor in accordance with the Master Servicer’s normal servicing
                procedures;

            


    

     

    
      	 	
              (iv)

            	
              any
                amount required to be deposited by the Master Servicer in respect
                of the
                related Mortgage Pool pursuant to Section 3.5(c) in connection with
                any
                losses on Permitted Investments;

            


    

     

    
      	 	
              (v)

            	
              any
                amounts required to be deposited by the Master Servicer in respect
                of the
                related Mortgage Pool pursuant to Sections 3.9(b) and
                3.9(d);

            


    

     

    
      	 	
              (vi)

            	
              any
                Substitution Adjustment Amounts or the Purchase Price for any Deleted
                Mortgage Loan in the related Mortgage
                Pool;

            


    

     

    
      	 	
              (vii)

            	
              all
                Advances in respect of the related Mortgage Pool made by the Master
                Servicer pursuant to Section 4.1;
                and

            


    

     

    
      	 	
              (viii)

            	
              any
                other amounts required to be deposited hereunder in respect of the
                related
                Mortgage Pool.

            


    

     

    In
      addition, with respect to any Mortgage Loan that is subject to a buydown
      agreement, on each Due Date for such Mortgage Loan, in addition to the monthly
      payment remitted by the Mortgagor, the Master Servicer shall cause funds to
      be
      deposited into the applicable subaccount of the Certificate Account in an amount
      required to cause an amount of interest to be paid with respect to such Mortgage
      Loan equal to the amount of interest that has accrued on such Mortgage Loan
      from
      the preceding Due Date at the related Adjusted Mortgage Rate on such
      date.

     

    The
      foregoing requirements for remittance by the Master Servicer shall be exclusive,
      it being understood and agreed that, without limiting the generality of the
      foregoing, payments in the nature of prepayment penalties, late payment charges,
      assumption fees or amounts attributable to reimbursements of Advances, if
      collected, need not be remitted by the Master Servicer. In the event that the
      Master Servicer shall remit any amount not required to be remitted, it may
      at
      any time withdraw or direct the institution maintaining the Certificate Account
      to withdraw such amount from the Certificate Account, any provision herein
      to
      the contrary notwithstanding. Such withdrawal or direction may be accomplished
      by delivering written notice thereof to the Trustee or such other institution
      maintaining the Certificate Account which describes the amounts deposited in
      error in the Certificate Account. The Master Servicer shall maintain adequate
      records with respect to all withdrawals made pursuant to this Section. All
      funds
      deposited in the Certificate Account shall be held in trust for the
      Certificateholders until withdrawn in accordance with Section 3.8.

     

    
      
        
        

      

      
        62

        
          

        

      

      
        
        

      

    

     

    
      	 	
              (c)

            	
              The
                Trustee shall establish and maintain, on behalf of the Certificateholders,
                the Distribution Account. The Distribution Account shall consist
                of two
                separate subaccounts, each of which shall relate to a particular
                Mortgage
                Pool. The Trustee shall, promptly upon receipt, deposit in the
                Distribution Account and retain therein the
                following:

            


    

     

    
      	 	
              (i)

            	
              the
                aggregate amount remitted by the Master Servicer to the Trustee in
                respect
                of a Mortgage Pool pursuant to Section
                3.8(a)(ix);

            


    

     

    
      	 	
              (ii)

            	
              any
                amount deposited by the Master Servicer pursuant to this Section
                3.5(c) in
                connection with any losses on Permitted Investments;
                and

            


    

     

    
      	 	
              (iii)

            	
              any
                other amounts deposited hereunder which are required to be deposited
                in
                the Distribution Account.

            


    

     

    In
      the
      event that the Master Servicer shall remit any amount not required to be
      remitted, it may at any time direct the Trustee to withdraw such amount from
      the
      applicable subaccount of the Distribution Account, any provision herein to
      the
      contrary notwithstanding. Such direction may be accomplished by delivering
      an
      Officer’s Certificate to the Trustee which describes the amounts deposited in
      error in the Distribution Account. All funds deposited in the Distribution
      Account shall be held by the Trustee in trust for the related Certificateholders
      until disbursed in accordance with this Agreement or withdrawn in accordance
      with Section 3.8. In no event shall the Trustee incur liability for withdrawals
      from the Distribution Account at the direction of the Master
      Servicer.

     

    
      	 	
              (iv)

            	
              The
                institution at which the Certificate Account is maintained shall
                invest
                funds as directed by the Master Servicer in Permitted Investments
                which
                shall mature not later than the second Business Day next preceding
                the
                related Distribution Account Deposit Date (except that if such Permitted
                Investment is an obligation of the institution that maintains such
                account, then such Permitted Investment shall mature not later than
                the
                Business Day next preceding such Distribution Account Deposit Date)
                and,
                shall not be sold or disposed of prior to its maturity. If the Master
                Servicer does not provide such prior written investment direction,
                the
                funds in the Certificate Account will be held uninvested. All such
                Permitted Investments shall be made in the name of the Trustee, for
                the
                benefit of the Certificateholders. All income and gain net of any
                losses
                realized from any such investment of funds on deposit in the Certificate
                Account shall be for the benefit of the Master Servicer as servicing
                compensation. The amount of any losses in the Certificate Account
                in
                respect of any such investments shall promptly be deposited by the
                Master
                Servicer in the Certificate Account. The funds in the Distribution
                Account
                shall be held uninvested. The Trustee in its fiduciary capacity shall
                not
                be liable for the amount of any loss incurred in respect of any investment
                or lack of investment of funds held in the Certificate Account or
                the
                Distribution Account and made in accordance with this Section
                3.5.

            


    

     

    
      
        
        

      

      
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              (v)

            	
              The
                Master Servicer shall give notice to the Trustee, the Seller, each
                Rating
                Agency and the Depositor of any proposed change of the location of
                the
                Certificate Account prior to any change thereof. The Trustee shall
                give
                notice to the Master Servicer, the Seller, each Rating Agency and
                the
                Depositor of any proposed change of the location of the Distribution
                Account prior to any change
                thereof.

            


    

     

    SECTION
      3.6 Collection of Taxes, Assessments and Similar Items; Escrow
      Accounts.

     

    
      	 	
              (a)

            	
              To
                the extent required by the related Mortgage Note and not violative
                of
                current law, the Master Servicer shall establish and maintain one
                or more
                accounts (each, an “Escrow Account”) and deposit and retain therein all
                collections from the Mortgagors (or advances by the Master Servicer)
                for
                the payment of taxes, assessments, hazard insurance premiums or comparable
                items for the account of the Mortgagors. Nothing herein shall require
                the
                Master Servicer to compel a Mortgagor to establish an Escrow Account
                in
                violation of applicable law.

            


    

     

    
      	 	
              (b)

            	
              Withdrawals
                of amounts so collected from the Escrow Accounts may be made only
                to
                effect timely payment of taxes, assessments, hazard insurance premiums,
                condominium or PUD association dues, or comparable items, to reimburse
                the
                Master Servicer out of related collections for any payments made
                pursuant
                to Sections 3.1 hereof (with respect to taxes and assessments and
                insurance premiums) and 3.9 hereof (with respect to hazard insurance),
                to
                refund to any Mortgagors any sums determined to be overages, to pay
                interest, if required by law or the terms of the related Mortgage
                or
                Mortgage Note, to Mortgagors on balances in the Escrow Account or
                to clear
                and terminate the Escrow Account at the termination of this Agreement
                in
                accordance with Section 9.1 hereof. The Escrow Accounts shall not
                be a
                part of the Trust Fund.

            


    

     

    
      	 	
              (c)

            	
              The
                Master Servicer shall advance any payments referred to in Section
                3.6(a)
                that are not timely paid by the Mortgagors on the date when the tax,
                premium or other cost for which such payment is intended is due,
                but the
                Master Servicer shall be required so to advance only to the extent
                that
                such advances, in the good faith judgment of the Master Servicer,
                will be
                recoverable by the Master Servicer out of Insurance Proceeds, Liquidation
                Proceeds or otherwise.

            


    

     

    
      
        
        

      

      
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    SECTION
      3.7 Access to Certain Documentation and Information Regarding the Mortgage
      Loans.

     

    The
      Master Servicer shall afford the Depositor and the Trustee reasonable access
      to
      all records and documentation regarding the Mortgage Loans and all accounts,
      insurance information and other matters relating to this Agreement, such access
      being afforded without charge, but only upon reasonable request and during
      normal business hours at the office designated by the Master
      Servicer.

     

    Upon
      reasonable advance notice in writing, the Master Servicer will provide to each
      Certificateholder or Certificate Owner which is a savings and loan association,
      bank or insurance company certain reports and reasonable access to information
      and documentation regarding the Mortgage Loans sufficient to permit such
      Certificateholder or Certificate Owner to comply with applicable regulations
      of
      the OTS or other regulatory authorities with respect to investment in the
      Certificates; provided that the Master Servicer shall be entitled to be
      reimbursed by each such Certificateholder or Certificate Owner for actual
      expenses incurred by the Master Servicer in providing such reports and
      access.

     

    SECTION
      3.8 Permitted Withdrawals from the Certificate Account and Distribution
      Account.

     

    
      	 	
              (a)

            	
              The
                Master Servicer may from time to time, or shall (in the case of Section
                3.8(a)(ix)), make withdrawals from the applicable subaccount of the
                Certificate Account for the following
                purposes:

            


    

     

    
      	 	
              (i)

            	
              to
                the extent not previously retained by the Master Servicer, to pay
                to First
                Horizon the Retained Yield and to pay to the Master Servicer the
                master
                servicing compensation to which it is entitled pursuant to Section
                3.14,
                and earnings on or investment income with respect to funds in or
                credited
                to the Certificate Account as additional master servicing
                compensation;

            


    

     

    
      	 	
              (ii)

            	
              to
                the extent not previously retained by the Master Servicer, to reimburse
                the Master Servicer for unreimbursed Advances made by it in respect
                of the
                related Mortgage Pool, such right of reimbursement pursuant to this
                subclause (ii) being limited to amounts received on the Mortgage
                Loan(s)
                in respect of which any such Advance was
                made;

            


    

     

    
      	 	
              (iii)

            	
              to
                reimburse the Master Servicer for any Nonrecoverable Advance previously
                made in respect of the related Mortgage
                Pool;

            


    

     

    
      	 	
              (iv)

            	
              to
                reimburse the Master Servicer for Insured Expenses from the related
                Insurance Proceeds in respect of the related Mortgage
                Pool;

            


    

     

    
      	 	
              (v)

            	
              to
                reimburse the Master Servicer for (a) unreimbursed Servicing Advances
                in
                respect of the related Mortgage Pool, the Master Servicer’s right to
                reimbursement pursuant to this clause (a) with respect to any Mortgage
                Loan being limited to amounts received on such Mortgage Loan(s) which
                represent late recoveries of the payments for which such advances
                were
                made pursuant to Section 3.1 or Section 3.6 and (b) for unpaid Master
                Servicing Fees as provided in Section 3.11
                hereof;

            


    

     

    
      
        
        

      

      
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              (vi)

            	
              to
                pay to the Seller or Master Servicer, as applicable, with respect
                to each
                Mortgage Loan in respect of the related Mortgage Pool or property
                acquired
                in respect thereof that has been purchased pursuant to Section 2.2,
                2.3 or
                3.11, all amounts received thereon after the date of such
                purchase;

            


    

     

    
      	 	
              (vii)

            	
              to
                reimburse the Seller, the Master Servicer or the Depositor for expenses
                incurred by any of them and reimbursable pursuant to Section 6.3
                hereof;

            


    

     

    
      	 	
              (viii)

            	
              to
                withdraw any amount deposited in the Certificate Account and not
                required
                to be deposited therein; 

            


    

     

    
      	 	
              (ix)

            	
              on
                or prior to the Distribution Account Deposit Date, to withdraw an
                amount
                equal to the related Available Funds and the Trustee Fee for such
                Distribution Date and remit such amount to the Trustee for deposit
                in the
                Distribution Account; and

            


    

     

    
      	 	
              (x)

            	
              to
                clear and terminate the Certificate Account upon termination of this
                Agreement pursuant to Section 9.1
                hereof.

            


    

     

    The
      Master Servicer shall keep and maintain separate accounting, on a Mortgage
      Loan-by-Mortgage Loan basis and on a Mortgage Pool-by-Mortgage Pool basis,
      for
      the purpose of justifying any withdrawal from the Certificate Account pursuant
      to such subclauses (i), (ii), (iv), (v) and (vi). Prior to making any withdrawal
      from the Certificate Account pursuant to subclause (iii), the Master Servicer
      shall deliver to the Trustee an Officer’s Certificate of a Servicing Officer
      indicating the amount of any previous Advance determined by the Master Servicer
      to be a Nonrecoverable Advance and identifying the related Mortgage Loans(s),
      and their respective portions of such Nonrecoverable Advance.

     

    The
      Master Servicer shall distribute the Retained Yield, if any, to First Horizon
      on
      each Distribution Account Deposit Date during the term of this
      Agreement.

     

    
      	 	
              (b)

            	
              The
                Trustee shall withdraw funds from the applicable subaccount of the
                Distribution Account for distributions to the related Certificateholders
                in the manner specified in this Agreement (and to withhold from the
                amounts so withdrawn, the amount of any taxes that it is authorized
                to
                withhold pursuant to the last paragraph of Section 8.11). In addition,
                the
                Trustee may (and with respect to clause (i) below, shall), prior
                to making
                the distribution pursuant to Section 4.2 from time to time make
                withdrawals from the Distribution Account for the following
                purposes:

            


    

     

    
      	 	
              (i)

            	
              to
                pay to itself the Trustee Fee for the related Distribution
                Date;

            


    

     

    
      
        
        

      

      
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              (ii)

            	
              to
                withdraw and return to the Master Servicer any amount deposited in
                the
                Distribution Account and not required to be deposited therein;
                and

            


    

     

    
      	 	
              (iii)

            	
              to
                clear and terminate the Distribution Account upon termination of
                the
                Agreement pursuant to Section 9.1
                hereof.

            


    

     

    SECTION
      3.9 Maintenance of Hazard Insurance; Maintenance of Primary Insurance
      Policies.

     

    
      	 	
              (a)

            	
              The
                Master Servicer shall cause to be maintained, for each Mortgage Loan,
                hazard insurance with extended coverage in an amount not to exceed
                the
                highest value placed by the insurer on the improvements securing
                such
                Mortgage Loan. The required coverage under any such hazard insurance
                policy will be equal to the lesser of (i) the aggregate principal
                amount
                of all liens against the related Mortgaged Property, including the
                proposed loan/line amount as long as it equals at least 80% of the
                value
                of the improvements/replacement cost of the structure, and (ii) the
                replacement cost of the insurable improvements securing such Mortgage
                Loan. Each such policy of standard hazard insurance shall contain,
                or have
                an accompanying endorsement that contains, a standard mortgagee clause.
                Any amounts collected by the Master Servicer under any such policies
                (other than the amounts to be applied to the restoration or repair
                of the
                related Mortgaged Property or amounts released to the Mortgagor in
                accordance with the Master Servicer’s normal servicing procedures) shall
                be deposited in the Certificate Account. Any cost incurred by the
                Master
                Servicer in maintaining any such insurance shall not, for the purpose
                of
                calculating monthly distributions to the Certificateholders or remittances
                to the Trustee for their benefit, be added to the principal balance
                of the
                Mortgage Loan, notwithstanding that the terms of the Mortgage Loan
                so
                permit. Such costs shall be recoverable by the Master Servicer out
                of late
                payments by the related Mortgagor or out of Liquidation Proceeds
                to the
                extent permitted by Section 3.8 hereof. It is understood and agreed
                that
                no earthquake or other additional insurance is to be required of
                any
                Mortgagor or maintained on property acquired in respect of a Mortgage
                other than pursuant to such applicable laws and regulations as shall
                at
                any time be in force and as shall require such additional insurance.
                If
                the Mortgaged Property is located at the time of origination of the
                Mortgage Loan in a federally designated special flood hazard area
                and such
                area is participating in the national flood insurance program, the
                Master
                Servicer shall cause flood insurance to be maintained with respect
                to such
                Mortgage Loan. Such flood insurance shall be in an amount equal to
                the
                least of (i) the original principal balance of the related Mortgage
                Loan,
                (ii) the replacement value of the improvements which are part of
                such
                Mortgaged Property, and (iii) the maximum amount of such insurance
                available for the related Mortgaged Property under the national flood
                insurance program.

            


    

     

    
      	 	
              (b)

            	
              In
                the event that the Master Servicer shall obtain and maintain a blanket
                policy insuring against hazard losses on all of the Mortgage Loans,
                it
                shall conclusively be deemed to have satisfied its obligations as
                set
                forth in the first sentence of this Section, it being understood
                and
                agreed that such policy may contain a deductible clause on terms
                substantially equivalent to those commercially available and maintained
                by
                comparable servicers. If such policy contains a deductible clause,
                the
                Master Servicer shall, in the event that there shall not have been
                maintained on the related Mortgaged Property a policy complying with
                the
                first sentence of this Section, and there shall have been a loss
                that
                would have been covered by such policy, deposit in the applicable
                subaccount of the Certificate Account the amount not otherwise payable
                under the blanket policy because of such deductible clause. In connection
                with its activities as Master Servicer of the Mortgage Loans, the
                Master
                Servicer agrees to present, on behalf of itself, the Depositor, and
                the
                Trustee for the benefit of the Certificateholders, claims under any
                such
                blanket policy.

            


    

     

    
      
        
        

      

      
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              (c)

            	
              The
                Master Servicer shall not take any action which would result in
                non-coverage under any applicable Primary Insurance Policy of any
                loss
                which, but for the actions of the Master Servicer, would have been
                covered
                thereunder. The Master Servicer shall not cancel or refuse to renew
                any
                such Primary 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
                unless the replacement Primary Insurance Policy for such canceled
                or
                non-renewed policy is maintained with a Qualified
                Insurer.

            


    

     

    The
      Master Servicer shall not be required to maintain any Primary Insurance Policy
      (i) with respect to any Mortgage Loan with a Loan-to-Value Ratio less than
      or
      equal to 80% as of any date of determination or, based on a new appraisal,
      the
      principal balance of such Mortgage Loan represents 80% or less of the new
      appraised value or (ii) if maintaining such Primary Insurance Policy is
      prohibited by applicable law.

     

    The
      Master Servicer agrees to effect the timely payment of the premiums on each
      Primary Insurance Policy, and such costs not otherwise recoverable shall be
      recoverable by the Master Servicer from the related liquidation
      proceeds.

     

    
      	 	
              (d)

            	
              In
                connection with its activities as Master Servicer of the Mortgage
                Loans,
                the Master Servicer agrees to present on behalf of itself, the Trustee
                and
                Certificateholders, claims to the insurer under any Primary Insurance
                Policies and, in this regard, to take such reasonable action as shall
                be
                necessary to permit recovery under any Primary Insurance Policies
                respecting defaulted Mortgage Loans. Any amounts collected by the
                Master
                Servicer under any Primary Insurance Policies shall be deposited
                in the
                applicable subaccount of the Certificate
                Account.

            


    

     

    SECTION
      3.10 Enforcement of Due-on-Sale Clauses; Assumption Agreements.

     

    
      	 	
              (a)

            	
              Except
                as otherwise provided in this Section, when any property subject
                to a
                Mortgage has been conveyed by the Mortgagor, the Master Servicer
                shall to
                the extent that it has knowledge of such conveyance, enforce any
                due-on-sale clause contained in any Mortgage Note or Mortgage, to
                the
                extent permitted under applicable law and governmental regulations,
                but
                only to the extent that such enforcement will not adversely affect
                or
                jeopardize coverage under any Required Insurance Policy. Notwithstanding
                the foregoing, the Master Servicer is not required to exercise such
                rights
                with respect to a Mortgage Loan if the Person to whom the related
                Mortgaged Property has been conveyed or is proposed to be conveyed
                satisfies the terms and conditions contained in the Mortgage Note
                and
                Mortgage related thereto and the consent of the mortgagee under such
                Mortgage Note or Mortgage is not otherwise so required under such
                Mortgage
                Note or Mortgage as a condition to such transfer. In the event that
                the
                Master Servicer is prohibited by law from enforcing any such due-on-sale
                clause, or if coverage under any Required Insurance Policy would
                be
                adversely affected, or if nonenforcement is otherwise permitted hereunder,
                the Master Servicer is authorized, subject to Section 3.10(b), to
                take or
                enter into an assumption and modification agreement from or with
                the
                person to whom such property has been or is about to be conveyed,
                pursuant
                to which such person becomes liable under the Mortgage Note and,
                unless
                prohibited by applicable state law, the Mortgagor remains liable
                thereon,
                provided that the Mortgage Loan shall continue to be covered (if
                so
                covered before the Master Servicer enters such agreement) by the
                applicable Required Insurance Policies. The Master Servicer, subject
                to
                Section 3.10(b), is also authorized with the prior approval of the
                insurers under any Required Insurance Policies to enter into a
                substitution of liability agreement with such Person, pursuant to
                which
                the original Mortgagor is released from liability and such Person
                is
                substituted as Mortgagor and becomes liable under the Mortgage Note.
                Notwithstanding the foregoing, the Master Servicer shall not be deemed
                to
                be in default under this Section by reason of any transfer or assumption
                which the Master Servicer reasonably believes it is restricted by
                law from
                preventing, for any reason
                whatsoever.

            


    

     

    
      
        
        

      

      
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              (b)

            	
              Subject
                to the Master Servicer’s duty to enforce any due-on-sale clause to the
                extent set forth in Section 3.10(a) hereof, in any case in which
                a
                Mortgaged Property has been conveyed to a Person by a Mortgagor,
                and such
                Person is to enter into an assumption agreement or modification agreement
                or supplement to the Mortgage Note or Mortgage that requires the
                signature
                of the Trustee, or if an instrument of release signed by the Trustee
                is
                required releasing the Mortgagor from liability on the Mortgage Loan,
                the
                Master Servicer shall prepare and deliver or cause to be prepared
                and
                delivered to the Trustee for signature and shall direct, in writing,
                the
                Trustee to execute the assumption agreement with the Person to whom
                the
                Mortgaged Property is to be conveyed and such modification agreement
                or
                supplement to the Mortgage Note or Mortgage or other instruments
                as are
                reasonable or necessary to carry out the terms of the Mortgage Note
                or
                Mortgage or otherwise to comply with any applicable laws regarding
                assumptions or the transfer of the Mortgaged Property to such Person.
                In
                connection with any such assumption, no material term of the Mortgage
                Note
                may be changed. In addition, the substitute Mortgagor and the Mortgaged
                Property must be acceptable to the Master Servicer in accordance
                with its
                underwriting standards as then in effect. Together with each such
                substitution, assumption or other agreement or instrument delivered
                to the
                Trustee for execution by it, the Master Servicer shall deliver an
                Officer’s Certificate signed by a Servicing Officer stating that the
                requirements of this subsection have been met in connection therewith.
                The
                Master Servicer shall notify the Trustee that any such substitution
                or
                assumption agreement has been completed by forwarding to the Trustee
                the
                original of such substitution or assumption agreement, which in the
                case
                of the original shall be added to the related Mortgage File and shall,
                for
                all purposes, be considered a part of such Mortgage File to the same
                extent as all other documents and instruments constituting a part
                thereof.
                Any fee collected by the Master Servicer for entering into an assumption
                or substitution of liability agreement will be retained by the Master
                Servicer as additional servicing
                compensation.

            


    

     

    
      
        
        

      

      
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      SECTION
        3.11 Realization Upon Defaulted Mortgage Loans; Repurchase of Certain Mortgage
        Loans.

       

      The
        Master Servicer shall use reasonable efforts to foreclose upon or otherwise
        comparably convert the ownership of 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. In connection
        with such foreclosure or other conversion, the Master Servicer shall follow
        such
        practices and procedures as it shall deem necessary or advisable and as shall
        be
        normal and usual in its general mortgage servicing activities and meet the
        requirements of the insurer under any Required Insurance Policy; provided,
        however, that the Master Servicer shall not be required to expend its own
        funds
        in connection with any foreclosure 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 after reimbursement
        to
        itself of such expenses and (ii) that such expenses will be recoverable to
        it
        through Liquidation Proceeds (respecting which it shall have priority for
        purposes of withdrawals from the Certificate Account). The Master Servicer
        shall
        be responsible for all other costs and expenses incurred by it in any such
        proceedings; provided, however, that it shall be entitled to reimbursement
        thereof from the liquidation proceeds with respect to the related Mortgaged
        Property, as provided in the definition of Liquidation Proceeds. If the Master
        Servicer has knowledge that a Mortgaged Property which the Master Servicer
        is
        contemplating acquiring in foreclosure or by deed in lieu of foreclosure
        is
        located within a 1 mile radius of any site listed in the Expenditure Plan
        for
        the Hazardous Substance Clean Up Bond Act of 1984 or other site with
        environmental or hazardous waste risks known to the Master Servicer, the
        Master
        Servicer will, prior to acquiring the Mortgaged Property, consider such risks
        and only take action in accordance with its established environmental review
        procedures.

       

      With
        respect to any REO Property, the deed or certificate of sale shall be taken
        in
        the name of the Trust Fund for the benefit of the Certificateholders, or
        its
        nominee, on behalf of the Certificateholders. The Master Servicer shall ensure
        that the title to such REO Property references the Pooling and Servicing
        Agreement and the Trust Fund’s capacity thereunder. Pursuant to its efforts to
        sell such REO Property, the Master Servicer shall either itself or through
        an
        agent selected by the Master Servicer protect and conserve such REO Property
        in
        the same manner and to such extent as is customary in the locality where
        such
        REO Property is located. The Master Servicer shall perform the tax reporting
        and
        withholding required by Sections 1445 and 6050J of the Code with respect
        to
        foreclosures and abandonments, the tax reporting required by Section 6050H
        of
        the Code with respect to the receipt of mortgage interest from individuals
        and
        any tax reporting required by Section 6050P of the Code with respect to the
        cancellation of indebtedness by certain financial entities, by preparing
        such
        tax and information returns as may be required, in the form required, and
        delivering the same to the Trustee for filing.

       

      
        
          
          

        

        
          70

          
            

          

        

        
          
          

        

      

       

      In
        the
        event that the Trust Fund acquires any Mortgaged Property as aforesaid or
        otherwise in connection with a default or imminent default on a Mortgage
        Loan,
        the Master Servicer shall dispose of such Mortgaged Property prior to the
        close
        of the third taxable year after the taxable year of its acquisition by the
        Trust
        Fund unless the Trustee shall have been supplied with an Opinion of Counsel
        to
        the effect that the holding by the Trust Fund of such Mortgaged Property
        subsequent to such three-year period will not result in the imposition of
        taxes
        on “prohibited transactions” of any REMIC created hereunder as defined in
        Section 860F of the Code or cause any REMIC created hereunder to fail to
        qualify
        as a REMIC at any time that any Certificates are outstanding, in which case
        the
        Trust Fund may continue to hold such Mortgaged Property (subject to any
        conditions contained in such Opinion of Counsel). Notwithstanding any other
        provision of this Agreement, no Mortgaged Property acquired by the Trust
        Fund
        shall be rented (or allowed to continue to be rented) or otherwise used for
        the
        production of income by or on behalf of the Trust Fund in such a manner or
        pursuant to any terms that would (i) cause such Mortgaged Property to fail
        to
        qualify as “foreclosure property” within the meaning of Section 860G(a)(8) of
        the Code or (ii) subject any REMIC created hereunder to the imposition of
        any
        federal, state or local income taxes on the income earned from such Mortgaged
        Property under Section 860G(c) of the Code or otherwise, unless the Master
        Servicer has agreed to indemnify and hold harmless the Trust Fund with respect
        to the imposition of any such taxes.

       

      In
        the
        event of a default on a Mortgage Loan one or more of whose obligor is not
        a
        United States Person, as that term is defined in Section 7701(a)(30) of the
        Code, in connection with any foreclosure or acquisition of a deed in lieu
        of
        foreclosure (together, “foreclosure”) in respect of such Mortgage Loan, the
        Master Servicer will cause compliance with the provisions of Treasury Regulation
        Section 1.1445-2(d)(3) (or any successor thereto) necessary to assure that
        no
        withholding tax obligation arises with respect to the proceeds of such
        foreclosure except to the extent, if any, that proceeds of such foreclosure
        are
        required to be remitted to the obligors on such Mortgage Loan.

       

      The
        decision of the Master Servicer to foreclose on a defaulted Mortgage Loan
        shall
        be subject to a determination by the Master Servicer that the proceeds of
        such
        foreclosure would exceed the costs and expenses of bringing such a proceeding.
        The income earned from the management of any REO Properties, net of
        reimbursement to the Master Servicer for expenses incurred (including any
        property or other taxes) in connection with such management and net of
        unreimbursed Master Servicing Fees, Advances and Servicing Advances, shall
        be
        applied to the payment of principal of and interest on the related defaulted
        Mortgage Loans (with interest accruing as though such Mortgage Loans were
        still
        current) and all such income shall be deemed, for all purposes in this
        Agreement, to be payments on account of principal and interest on the related
        Mortgage Notes and shall be deposited into the applicable subaccount of the
        Certificate Account. To the extent the net income received during any calendar
        month is in excess of the amount attributable to amortizing principal and
        accrued interest at the related Mortgage Rate on the related Mortgage Loan
        for
        such calendar month, such excess shall be considered to be a partial prepayment
        of principal of the related Mortgage Loan.

       

      
        
          
          

        

        
          71

          
            

          

        

        
          
          

        

      

       

      The
        proceeds from any liquidation of a Mortgage Loan, as well as any income from
        an
        REO Property, will be applied in the following order of priority: first,
        to
        reimburse the Master Servicer for any related unreimbursed Servicing Advances
        and Master Servicing Fees; second, to reimburse the Master Servicer for any
        unreimbursed Advances; third, to reimburse the applicable subaccount of the
        Certificate Account for any Nonrecoverable Advances (or portions thereof)
        that
        were previously withdrawn by the Master Servicer pursuant to Section 3.8(a)(iii)
        that related to such Mortgage Loan; fourth, to accrued and unpaid interest
        (to
        the extent no Advance has been made for such amount or any such Advance has
        been
        reimbursed) on the Mortgage Loan or related REO Property, at the Adjusted
        Net
        Mortgage Rate to the Due Date occurring in the month in which such amounts
        are
        required to be distributed; and fifth, as a recovery of principal of the
        Mortgage Loan. Excess Proceeds, if any, from the liquidation of a Liquidated
        Mortgage Loan will be retained by the Master Servicer as additional servicing
        compensation pursuant to Section 3.14.

       

      The
        Master Servicer, with the consent of the Trustee, shall have the right to
        purchase for its own account from the Trust Fund any Mortgage Loan which
        is 91
        days or more delinquent at a price equal to the Purchase Price. The Purchase
        Price for any Mortgage Loan purchased hereunder shall be deposited in the
        applicable subaccount of the Certificate Account and the Trustee, upon receipt
        of a certificate from the Master Servicer in the form of Exhibit M hereto,
        shall
        release or cause to be released to the purchaser of such Mortgage Loan the
        related Mortgage File and shall execute and deliver such instruments of transfer
        or assignment prepared by the purchaser of such Mortgage Loan, in each case
        without recourse, as shall be necessary to vest in the purchaser of such
        Mortgage Loan any Mortgage Loan released pursuant hereto and the purchaser
        of
        such Mortgage Loan shall succeed to all the Trustee’s right, title and interest
        in and to such Mortgage Loan and all security and documents related thereto.
        Such assignment shall be an assignment outright and not for security. The
        purchaser of such Mortgage Loan shall thereupon own such Mortgage Loan, and
        all
        security and documents, free of any further obligation to the Trustee or
        the
        Certificateholders with respect thereto.

       

      SECTION
        3.12 Trustee to Cooperate; Release of Mortgage Files.

       

      Upon
        the
        payment in full of any Mortgage Loan, or the receipt by the Master Servicer
        of a
        notification that payment in full will be escrowed in a manner customary
        for
        such purposes, the Master Servicer will immediately notify the Trustee by
        delivering, or causing to be delivered a “Request for Release” substantially in
        the form of Exhibit M. Upon receipt of such request, the Trustee shall or
        shall
        cause the Custodian to promptly release the related Mortgage File to the
        Master
        Servicer, and the Trustee shall at the Master Servicer’s direction execute and
        deliver to the Master Servicer the request for reconveyance, deed of
        reconveyance or release or satisfaction of mortgage or such instrument releasing
        the lien of the Mortgage in each case provided by the Master Servicer, together
        with the Mortgage Note with written evidence of cancellation thereon. Expenses
        incurred in connection with any instrument of satisfaction or deed of
        reconveyance shall be chargeable to the related Mortgagor. From time to time
        and
        as shall be appropriate for the servicing or foreclosure of any Mortgage
        Loan,
        including for such purpose, collection under any policy of flood insurance,
        any
        fidelity bond or errors or omissions policy, or for the purposes of effecting
        a
        partial release of any Mortgaged Property from the lien of the Mortgage or
        the
        making of any corrections to the Mortgage Note or the Mortgage or any of
        the
        other documents included in the Mortgage File, the Trustee shall, upon delivery
        to the Trustee of a Request for Release in the form of Exhibit L signed by
        a
        Servicing Officer, release the Mortgage File to the Master Servicer. Subject
        to
        the further limitations set forth below, the Master Servicer shall cause
        the
        Mortgage File or documents so released to be returned to the Trustee or its
        Custodian when the need therefor by the Master Servicer no longer exists,
        unless
        the Mortgage Loan is liquidated and the proceeds thereof are deposited in
        the
        applicable subaccount of the Certificate Account, in which case the Master
        Servicer shall deliver to the Trustee a Request for Release in the form of
        Exhibit M, signed by a Servicing Officer.

       

      
        
          
          

        

        
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      If
        the
        Master Servicer at any time seeks to initiate a foreclosure proceeding in
        respect of any Mortgaged Property as authorized by this Agreement, the Master
        Servicer shall deliver or cause to be delivered to the Trustee, for signature,
        as appropriate, any court pleadings, requests for trustee’s sale or other
        documents necessary to effectuate such foreclosure or any legal action brought
        to obtain judgment against the Mortgagor on the Mortgage Note or the Mortgage
        or
        to obtain a deficiency judgment or to enforce any other remedies or rights
        provided by the Mortgage Note or the Mortgage or otherwise available at law
        or
        in equity.

       

      SECTION
        3.13 Documents Records and Funds in Possession of Master Servicer to be Held
        for
        the Trustee.

       

      Notwithstanding
        any other provisions of this Agreement, the Master Servicer shall transmit
        to
        the Trustee as required by this Agreement all documents and instruments in
        respect of a Mortgage Loan coming into the possession of the Master Servicer
        from time to time and shall account fully to the Trustee for any funds received
        by the Master Servicer or which otherwise are collected by the Master Servicer
        as Liquidation Proceeds or Insurance Proceeds in respect of any Mortgage
        Loan.
        All Mortgage Files and funds collected or held by, or under the control of,
        the
        Master Servicer in respect of any Mortgage Loans, whether from the collection
        of
        principal and interest payments or from Liquidation Proceeds, including but
        not
        limited to, any funds on deposit in the Certificate Account, shall be held
        by
        the Master Servicer for and on behalf of the Trustee and shall be and remain
        the
        sole and exclusive property of the Trustee, subject to the applicable provisions
        of this Agreement. The Master Servicer also agrees that it shall not create,
        incur or subject any Mortgage File or any funds that are deposited in the
        Certificate Account, Distribution Account or any Escrow Account, or any funds
        that otherwise are or may become due or payable to the Trustee for the benefit
        of the Certificateholders, to any claim, lien, security interest, judgment,
        levy, writ of attachment or other encumbrance, or assert by legal action
        or
        otherwise any claim or right of setoff against any Mortgage File or any funds
        collected on, or in connection with, a Mortgage Loan, except, however, that
        the
        Master Servicer shall be entitled to set off against and deduct from any
        such
        funds any amounts that are properly due and payable to the Master Servicer
        under
        this Agreement.

       

      SECTION
        3.14 Master Servicing Compensation.

       

      As
        compensation for its activities as Master Servicer hereunder and as a
        subservicer pursuant to the Servicing Rights Transfer and Subservicing
        Agreement, the Master Servicer shall be entitled to retain or withdraw from
        the
        Certificate Account an amount equal to the Master Servicing Fee for each
        Mortgage Loan, provided that the aggregate Master Servicing Fee with respect
        to
        any Distribution Date shall be reduced (i) by the amount of any Compensating
        Interest paid by the Master Servicer with respect to such Distribution Date,
        and
        (ii) with respect to the first Distribution Date, an amount equal to any
        amount
        to be deposited into the Distribution Account by the Depositor pursuant to
        Section 2.1(a) and not so deposited.

       

      
        
          
          

        

        
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      Additional
        servicing compensation in the form of (i) Retained Yield, Excess Proceeds,
        Prepayment Interest Excess and all income and gain net of any losses realized
        from Permitted Investments and (ii) prepayment penalties, assumption fees
        and
        late payment charges in each case under the circumstances and in the manner
        set
        forth in the applicable Mortgage Note or Mortgage shall be retained by the
        Master Servicer to the extent not required to be deposited in the Certificate
        Account pursuant to Section 3.5 hereof; provided that in the event the Master
        Servicer is terminated pursuant to Section 7.1, the Retained Yield shall
        be
        payable to First Horizon Home Loan Corporation in its individual capacity
        and
        shall not be payable to the Trustee or any successor to the Master Servicer.
        The
        Master Servicer shall be required to pay all expenses incurred by it in
        connection with its master servicing activities hereunder (including payment
        of
        any premiums for hazard insurance and any Primary Insurance Policy and
        maintenance of the other forms of insurance coverage required by this Agreement)
        and shall not be entitled to reimbursement therefor except as specifically
        provided in this Agreement.

       

      SECTION
        3.15 Access to Certain Documentation.

       

      The
        Master Servicer shall provide to the OTS and the FDIC and to comparable
        regulatory authorities supervising Holders of Certificates or Certificate
        Owners
        and the examiners and supervisory agents of the OTS, the FDIC and such other
        authorities, access to the documentation regarding the Mortgage Loans required
        by applicable regulations of the OTS and the FDIC. Such access shall be afforded
        without charge, but only upon reasonable and prior written request and during
        normal business hours at the offices designated by the Master Servicer. Nothing
        in this Section shall limit the obligation of the Master Servicer to observe
        any
        applicable law prohibiting disclosure of information regarding the Mortgagors
        and the failure of the Master Servicer to provide access as provided in this
        Section as a result of such obligation shall not constitute a breach of this
        Section.

       

      SECTION
        3.16 Annual Statement as to Compliance.

       

      
        	 	
                (a)

              	
                The
                  Master Servicer shall deliver to the Depositor and the Trustee
                  on or
                  before March 15th
                  of
                  each year, commencing in 2007, an Officer’s Certificate stating, as to the
                  signer thereof, that (i) a review of the activities of the Master
                  Servicer
                  during the preceding calendar year (or applicable portion thereof)
                  and of
                  the performance of the Master Servicer under this Agreement has
                  been made
                  under such officer’s supervision and (ii) to the best of such officer’s
                  knowledge, based on such review, the Master Servicer has fulfilled
                  all its
                  obligations under this Agreement in all material respects throughout
                  such
                  year (or applicable 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 status
                  thereof.

              


      

       

      
        	 	
                (b)

              	
                The
                  Master Servicer shall cause each Subservicer that is a Reporting
                  Subcontractor to deliver to the Depositor and the Trustee on or
                  before
                  March 15th
                  of
                  each year, commencing in 2007, an Officer’s Certificate stating, as to the
                  signer thereof, that (i) a review of the activities of such Subservicer
                  during the preceding calendar year (or applicable portion thereof)
                  and of
                  the performance of the Subservicer under the applicable Subservicing
                  Agreement or primary servicing agreement, has been made under such
                  officer’s supervision and (ii) to the best of such officer’s knowledge,
                  based on such review, such Subservicer has fulfilled all its obligations
                  under the applicable Subservicing Agreement or primary servicing
                  agreement, in all material respects throughout such year (or applicable
                  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.

              


      

       

      
        
          
          

        

        
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      SECTION
        3.17 Errors and Omissions Insurance; Fidelity Bonds.

       

      The
        Master Servicer shall for so long as it acts as master servicer under this
        Agreement, obtain and maintain in force (a) a policy or policies of insurance
        covering errors and omissions in the performance of its obligations as Master
        Servicer hereunder and (b) a fidelity bond in respect of its officers, employees
        and agents. Each such policy or policies and bond shall, together, comply
        with
        the requirements from time to time of FNMA or FHLMC for persons performing
        servicing for mortgage loans purchased by FNMA or FHLMC. In the event that
        any
        such policy or bond ceases to be in effect, the Master Servicer shall obtain
        a
        comparable replacement policy or bond from an insurer or issuer, meeting
        the
        requirements set forth above as of the date of such replacement.

       

      ARTICLE
        IV

      DISTRIBUTIONS
        AND ADVANCES BY THE MASTER SERVICER

       

      SECTION
        4.1 Advances.

       

      The
        Master Servicer shall determine on the Business Day prior to each Master
        Servicer Advance Date whether it is required to make an Advance pursuant
        to the
        definition thereof. If the Master Servicer determines it is required to make
        an
        Advance, it shall, on or before the Master Servicer Advance Date, either
        (i)
        deposit into the applicable subaccount of the Certificate Account an amount
        equal to the Advance or (ii) make an appropriate entry in its records relating
        to the applicable subaccount of the Certificate Account that any Amount Held
        for
        Future Distribution has been used by the Master Servicer in discharge of
        its
        obligation to make any such Advance. Any funds so applied shall be replaced
        by
        the Master Servicer by deposit in the applicable subaccount of the Certificate
        Account no later than the close of business on the next Business Day preceding
        the next Master Servicer Advance Date. The Master Servicer shall be entitled
        to
        be reimbursed from the applicable subaccount of the Certificate Account for
        all
        Advances of its own funds made pursuant to this Section as provided in Section
        3.8. The obligation to make Advances with respect to any Mortgage Loan shall
        continue until the ultimate disposition of the REO Property or Mortgaged
        Property relating to such Mortgage Loan. As to any Distribution Date, the
        Master
        Servicer shall inform the Trustee in writing of the amount of the Advance
        to be
        made by the Master Servicer on each Master Servicer Advance Date no later
        1:30
        p.m. Central time on the second Business Day immediately preceding such
        Distribution Date.

       

      
        
          
          

        

        
          75

          
            

          

        

        
          
          

        

      

       

      The
        Master Servicer shall deliver to the Trustee on the related Master Servicer
        Advance Date an Officer’s Certificate of a Servicing Officer indicating the
        amount of any proposed Advance determined by the Master Servicer to be a
        Nonrecoverable Advance.

       

      SECTION
        4.2 Priorities of Distribution.

       

      
        	 	
                (a)

              	
                On
                  each Distribution Date, the Trustee shall withdraw the Available
                  Funds for
                  each Certificate Group from the applicable subaccount of the Distribution
                  Account and apply such funds to distributions on the Certificates
                  of the
                  related Certificate Group in the following order and priority and,
                  in each
                  case, to the extent of Available Funds
                  remaining:

              


      

       

      
        	 	
                (i)

              	
                to
                  the Classes of Senior Certificates of the related Certificate Group
                  entitled to distributions of interest, the Accrued Certificate
                  Interest on
                  each such Class for such Distribution Date, any shortfall in available
                  amounts being allocated among such Classes in proportion to the
                  amount of
                  Accrued Certificate Interest otherwise distributable thereon (or
                  added to
                  the balance thereof) provided,
                  however,
                  that on each Distribution Date through the applicable Accretion
                  Termination Date, such amounts with respect to the Accrual Certificates
                  will not be distributed to such Certificates under this priority
                  (i) but
                  will instead be added to the Class Certificate Balance thereof
                  and
                  distributed in accordance with the priorities described below in
                  subsection (c);

              


      

       

      
        	 	
                (ii)

              	
                to
                  the Classes of Senior Certificates of the related Certificate Group
                  entitled to distributions of interest, any Accrued Certificate
                  Interest
                  thereon remaining undistributed from previous Distribution Dates,
                  to the
                  extent of remaining Available Funds from the related Mortgage Pool,
                  any
                  shortfall in available amounts being allocated among such Classes
                  in
                  proportion to the amount of such Accrued Certificate Interest remaining
                  undistributed for each such Class for such Distribution Date; provided,
                  however,
                  that on each Distribution Date through the Applicable Accretion
                  Termination Date, such amounts with respect to the Accrual Certificates
                  will not be distributed to such Certificates under this priority
                  second
                  but will instead be added to the Class Certificate Balance thereof,
                  to the
                  extent not previously added pursuant to priority first above, and
                  distributed in accordance with the priorities described below in
                  subsection (c);

              


      

       

      
        	 	
                (iii)

              	
                (1)
                  to the Classes of Senior Certificates of the related Certificate
                  Group
                  entitled to distributions of principal, other than the Principal
                  Only
                  Certificates, in reduction of the Class Certificate Balances thereof,
                  to
                  the extent of remaining Available Funds from the related Mortgage
                  Pool,
                  the related Senior Optimal Principal Amount for such Distribution
                  Date,
                  in
                  the order of priority set forth below in Sections 4.2(b) through
                  (f), as
                  applicable,
                  until the respective Class Certificate Balances thereof have been
                  reduced
                  to zero, and (2) concurrently with the Group I Senior Certificates,
                  from
                  the Available Funds for Pool I, to the Class I-A-PO Certificates,
                  and
                  concurrently with the Group II Senior Certificates, from the available
                  Funds for Pool II, to the Class II-A-PO Certificates, the applicable
                  Class
                  PO Principal Distribution Amount for such Distribution Date;
                  

              


      

       

      
        
          
          

        

        
          76

          
            

          

        

        
          
          

        

      

       

      
        	 	
                (iv)

              	
                to
                  the Class PO Certificates, the applicable Class PO Deferred Amount
                  for
                  such Distribution Date, until the Class Certificate Balance thereof
                  has
                  been reduced to zero; provided that, (1) on any Distribution Date,
                  distributions pursuant to this Section 4.2(a)(iv) shall not exceed
                  the
                  related Subordinated Optimal Principal Amount for the Mortgage
                  Pools for
                  such Distribution Date, (2) such distributions shall not reduce
                  the Class
                  Certificate Balances of the Class PO Certificates and (3) no distribution
                  will be made in respect of the applicable Class PO Deferred Amount
                  after
                  the Cross-over Date;

              


      

       

      
        	 	
                (v)

              	
                to
                  the Class B-1 Certificates, to the extent of remaining Available
                  Funds for
                  the Mortgage Pools, but subject to the prior payment of amounts
                  described
                  under Section 4.2(l), in the following order: (1) the Accrued Certificate
                  Interest thereon for such Distribution Date, (2) any Accrued Certificate
                  Interest thereon remaining undistributed from previous Distribution
                  Dates
                  and (3) such Class’ Allocable Share for such Distribution
                  Date;

              


      

       

      
        	 	
                (vi)

              	
                to
                  the Class B-2 Certificates, to the extent of remaining Available
                  Funds for
                  the Mortgage Pools, but subject to the prior payment of amounts
                  described
                  under Section 4.2(l), in the following order: (1) the Accrued Certificate
                  Interest thereon for such Distribution Date, (2) any Accrued Certificate
                  Interest thereon remaining undistributed from previous Distribution
                  Dates
                  and (3) such Class’ Allocable Share for such Distribution
                  Date;

              


      

       

      
        	 	
                (vii)

              	
                to
                  the Class B-3 Certificates, to the extent of remaining Available
                  Funds for
                  the Mortgage Pools, but subject to the prior payment of amounts
                  described
                  under Section 4.2(l), in the following order: (1) the Accrued Certificate
                  Interest thereon for such Distribution Date, (2) any Accrued Certificate
                  Interest thereon remaining undistributed from previous Distribution
                  Dates
                  and (3) such Class’ Allocable Share for such Distribution
                  Date;

              


      

       

      
        	 	
                (viii)

              	
                to
                  the Class B-4 Certificates, to the extent of remaining Available
                  Funds for
                  the Mortgage Pools, but subject to the prior payment of amounts
                  described
                  under Section 4.2(l), in the following order: (1) the Accrued Certificate
                  Interest thereon for such Distribution Date, (2) any Accrued Certificate
                  Interest thereon remaining undistributed from previous Distribution
                  Dates
                  and (3) such Class’ Allocable Share for such Distribution
                  Date;

              


      

       

      
        
          
          

        

        
          77

          
            

          

        

        
          
          

        

      

       

      
        	 	
                (ix)

              	
                to
                  the Class B-5 Certificates, to the extent of remaining Available
                  Funds for
                  the Mortgage Pools, but subject to the prior payment of amounts
                  described
                  under Section 4.2(l), in the following order: (1) the Accrued Certificate
                  Interest thereon for such Distribution Date, (2) any Accrued Certificate
                  Interest thereon remaining undistributed from previous Distribution
                  Dates
                  and (3) such Class’ Allocable Share for such Distribution Date;
                  and

              


      

       

      
        	 	
                (x)

              	
                to
                  the Class B-6 Certificates, to the extent of remaining Available
                  Funds for
                  the Mortgage Pools, but subject to the prior payment of amounts
                  described
                  under Section 4.2(l), in the following order: (1) the Accrued Certificate
                  Interest thereon for such Distribution Date, (2) any Accrued Certificate
                  Interest thereon remaining undistributed from previous Distribution
                  Dates
                  and (3) such Class’ Allocable Share for such Distribution
                  Date.

              


      

       

      
        	 	
                (b)

              	
                Amounts
                  allocated to the Senior Certificates corresponding to Pool I pursuant
                  to
                  clause (1) of Section 4.2(a)(iii) above will be distributed sequentially,
                  in the following order of priority:

              


      

       

      
        	 	
                (i)

              	
                to
                  the Class I-A-R Certificates, until
                  the Class Certificate Balance thereof has been reduced to zero;
                  

              


      

       

      
        	 	
                (ii)

              	
                to
                  the Class I-A-2 and Class I-A-3 Certificates, pro
                  rata,
                  in an amount up to the NAS Principal Amount for such distribution
                  date,
                  until the respective Class Certificate Balances of each have been
                  reduced
                  to zero;

              


      

       

      
        	 	
                (iii)

              	
                concurrently,
                  as follows:

              


      

       

      
        	 	
                (A)

              	
                83.6177930508%
                  of the remaining Senior Optimal Principal Amount for Pool I for
                  such
                  Distribution Date, in the following order of
                  priority:

              


      

       

      
        	 	
                (i)

              	
                to
                  the Class I-A-5, Class I-A-6, Class I-A-7, Class I-A-8, Class I-A-9
                  and
                  Class I-A-10 Certificates, until their aggregate Class Certificate
                  Balance
                  has been reduced to its Planned Balance for such Distribution Date
                  as set
                  forth in Exhibit
                  R,
                  in the following order of priority;

              


      

       

      
        	 	
                (a)

              	
                to
                  the Class I-A-5, Class I-A-6, Class I-A-7 and Class I-A-8 Certificates,
                  pro
                  rata,
                  until the respective Class Certificate Balances of each have been
                  reduced
                  to zero;

              


      

       

      
        	 	
                (b)

              	
                to
                  the Class I-A-9 Certificates, until the Class Certificate Balance
                  thereof
                  has been reduced to zero; and

              


      

       

      
        
          
          

        

        
          78

          
            

          

        

        
          
          

        

      

       

      
        	 	
                (c)

              	
                to
                  the Class I-A-10 Certificates, until the Class Certificate Balance
                  thereof
                  has been reduced to zero;

              


      

       

      
        	 	
                (ii)

              	
                to
                  the Class I-A-1, Class I-A-11 and Class I-A-12 Certificates, until
                  their
                  aggregate Class Certificate Balance has been reduced to its Targeted
                  Balance for such Distribution Date as set forth in Exhibit
                  R,
                  in the following order of priority;

              


      

       

      
        	 	
                (a)

              	
                to
                  the Class I-A-1 and Class I-A-11 Certificates, pro
                  rata,
                  until the respective Class Certificate Balances of each have been
                  reduced
                  to zero; and

              


      

       

      
        	 	
                (b)

              	
                to
                  the Class I-A-12 Certificates, until the Class Certificate Balance
                  thereof
                  has been reduced to zero;

              


      

       

      
        	 	
                (iii)

              	
                to
                  the Class I-A-13 Certificates, until the Class Certificate Balance
                  thereof
                  has been reduced to zero;

              


      

       

      
        	 	
                (iv)

              	
                to
                  the Class I-A-1, Class I-A-11 and Class I-A-12 Certificates, as
                  described
                  above in Section 4.2(b)(iii)(A)(ii), without regard to the Targeted
                  Balance for such distribution date, as set forth in Exhibit
                  R,
                  until the respective Class Certificate Balances of each have been
                  reduced
                  to zero; and

              


      

       

      
        	 	
                (v)

              	
                to
                  the Class I-A-5, Class I-A-6, Class I-A-7, Class I-A-8, Class I-A-9
                  and
                  Class I-A-10 Certificates, as described above in Section
                  4.2(b)(iii)(A)(i), without regard to the Planned Balance for such
                  Distribution Date, as set forth in Exhibit
                  R,
                  until the respective Class Certificate Balances of each have been
                  reduced
                  to zero;

              


      

       

      
        	 	
                (B)

              	
                16.3822069492%
                  of the remaining Senior Optimal Principal Amount for Pool I for
                  such
                  Distribution Date to the Class I-A-15, Class I-A-16 and Class I-A-17
                  Certificates, in the following order of
                  priority:

              


      

       

      
        	 	
                (i)

              	
                to
                  the Class I-A-15 and Class I-A-16 Certificates, pro
                  rata,
                  until the respective Class Certificate Balances of each have been
                  reduced
                  to zero; and

              


      

       

      
        	 	
                (ii)

              	
                to
                  the Class I-A-17 Certificates, until the Class Certificate Balance
                  thereof
                  has been reduced to zero; and

              


      

       

      
        
          
          

        

        
          79

          
            

          

        

        
          
          

        

      

       

      
        	 	
                (iv)

              	
                to
                  the Class I-A-2 and Class I-A-3 Certificates, without regard to
                  the NAS
                  Principal Distribution Amount for such distribution date, until
                  the
                  respective Class Certificate Balances of each have been reduced
                  to
                  zero.

              


      

       

      
        	 	
                (c)

              	
                Amounts
                  allocated to the Senior Certificates corresponding to Pool II pursuant
                  to
                  clause (1) of Section 4.2(a)(iii) will be distributed to the Class
                  II-A-1
                  Certificates, until the Class Certificate Balance thereof has been
                  reduced
                  to zero.

              


      

       

      
        	 	
                (d)

              	
                On
                  each Distribution Date prior to the Accretion Termination Date
                  for the
                  Class I-A-12 Certificates, an amount equal to the Class I-A-12
                  Accrual
                  Amount on such date will be distributed (prior to giving effect
                  to the
                  distributions above), sequentially, as
                  follows:

              


      

       

      
        	 	
                (i)

              	
                to
                  the Class I-A-1 and Class I-A-11 Certificates,
                  pro rata,
                  until the Class Certificate Balances thereof have been reduced
                  to
                  zero;

              


      

       

      
        	 	
                (ii)

              	
                to
                  the Class I-A-12 Certificates, until the Class Certificate Balance
                  thereof
                  has been reduced to zero;

              


      

       

      
        	 	
                (e)

              	
                On
                  each Distribution Date prior to the Accretion Termination Date
                  for the
                  Class I-A-13 Certificates, an amount equal to the Class I-A-13
                  Accrual
                  Amount on such date will be distributed (prior to giving effect
                  to the
                  distributions above), sequentially, as follows:


              


      

       

      
        	 	
                (i)

              	
                to
                  the Class I-A-1, Class I-A-11 and Class I-A-12 Certificates, until
                  the
                  Class Certificate Balance has been reduced to its Targeted Balance
                  for
                  such Distribution Date as set forth in Exhibit
                  R,
                  in the following order of priority;

              


      

       

      
        	 	
                (A)

              	
                to
                  the Class I-A-1 and Class I-A-11 Certificates, pro
                  rata,
                  until the respective Class Certificate Balances of each have been
                  reduced
                  to zero; and 

              


      

       

      
        	 	
                (B)

              	
                to
                  the Class I-A-12 Certificates, until the Class Certificate Balance
                  thereof
                  has been reduced to zero;

              


      

       

      
        	
              	(ii)	
                (2) to
                  the Class I-A-13 Certificates, until
                  the Class Certificate Balance thereof has been reduced to
                  zero.

              


      

       

      
        	 	
                (f)

              	
                On
                  each Distribution Date on or after the Cross-over Date, distributions
                  of
                  principal on the outstanding Senior Certificates relating to Pool
                  I (other
                  than the Notional Amount Certificates and the Class I-A-PO Certificates)
                  will be made, pro
                  rata,
                  among all such Senior Certificates, regardless of the allocation,
                  or
                  sequential nature, of principal payments described
                  above.

              


      

       

      
        	 	
                (g)

              	
                On
                  each Distribution Date, the Trustee shall distribute to the Holders
                  of the
                  Class I-A-R Certificates representing the RL Interest, RM Interest
                  and RU
                  Interest, any Available Funds remaining in the related REMIC created
                  hereunder for such Distribution Date after application of all amounts
                  described in clauses (a) through (f) and (h) of this Section 4.2.
                  Any
                  distributions pursuant to this subsection (h) shall not reduce
                  the Class
                  Certificate Balances of the Class I-A-R
                  Certificates.

              


      

       

      
        
          
          

        

        
          80

          
            

          

        

        
          
          

        

      

       

      
        	 	
                (h)

              	
                On
                  and after the Cross-Over Date, the amount distributable to the
                  Senior
                  Certificates of the related Certificate Group pursuant to Section
                  4.2(a)(iii) for the related Distribution Date shall be allocated
                  among the
                  related Classes of Senior Certificates(other than the Principal
                  Only
                  Certificates), pro
                  rata,
                  on the basis of their respective Class Certificate Balances immediately
                  prior to such Distribution Date, regardless of the priorities and
                  amounts
                  set forth in Sections 4.2(a) through (f)
                  above.

              


      

       

      
        	 	
                (i)

              	
                If
                  on any Distribution Date (i) the Class Certificate Balance of any
                  Class of
                  Subordinated Certificates (other than the Class of Subordinated
                  Certificates with the highest priority of distribution) for which
                  the
                  related Class Prepayment Distribution Trigger was satisfied on
                  such
                  Distribution Date is reduced to zero and (ii) amounts distributable
                  to
                  such Class or Classes of Subordinated Certificates pursuant to
                  clauses
                  (2), (3) and (5) of the applicable Subordinated Optimal Principal
                  Amount
                  remain undistributed on such Distribution Date after all amounts
                  otherwise
                  distributable on such date pursuant to clauses (v) through (x)
                  of Section
                  4.2(a) have been distributed, such amounts, to the extent of such
                  Class’
                  remaining Allocable Share, shall be distributed on such Distribution
                  Date
                  to the remaining Classes of Subordinated Certificates on a pro
                  rata basis,
                  subject to the priority of payments described in Section
                  4.2(a)(iii).

              


      

       

      
        	 	
                (j)

              	
                In
                  the event that in any calendar month the Master Servicer recovers
                  an
                  amount, net of reimbursable expenses (an “Unanticipated Recovery”), in
                  respect of principal of a Mortgage Loan which had previously been
                  allocated as a Realized Loss to any Class of Certificates pursuant
                  to
                  Section 4.4, on the Distribution Date in the next succeeding calendar
                  month, the Trustee shall withdraw the Unanticipated Recovery from
                  the
                  Distribution Account and sequentially increase, in order of payment
                  priority, the Class Certificate Balance of each Class of Certificates
                  to
                  which such Realized Losses were previously allocated by the amount
                  of such
                  Unanticipated Recovery, but not to exceed the amount of Realized
                  Losses
                  previously allocated to such Class pursuant to Section 4.4, and
                  shall
                  distribute the amount of such Unanticipated Recovery in the order
                  of
                  payment priority described in Section 4.2(a) of this Agreement.
                  Holders of
                  any Class of Certificates for which the Class Certificate Balance
                  has been
                  increased by the amount of any Unanticipated Recovery will not
                  be entitled
                  to any payment in respect of Accrued Certificate Interest on the
                  amount of
                  any such increase for any Interest Accrual Period preceding the
                  Distribution Date on which such increase occurs. When the Class
                  Certificate Balance of a Class of Certificates has been reduced
                  to zero,
                  the Holders of such Class shall not be entitled to any share of
                  an
                  Unanticipated Recovery, and such Unanticipated Recovery shall be
                  allocated
                  among all outstanding Classes of Certificates entitled thereto
                  in
                  accordance with the preceding sentence, subject to the remainder
                  of this
                  subsection (j). In the event that (i) any Unanticipated Recovery
                  remains
                  undistributed in accordance with the preceding sentence or (ii)
                  the amount
                  of an Unanticipated Recovery exceeds the amount of the Realized
                  Loss
                  previously allocated to any outstanding Classes with respect to
                  the
                  related Mortgage Loan, on the applicable Distribution Date the
                  Trustee
                  shall distribute such Unanticipated Recoveries in accordance with
                  the
                  priorities set forth in Section 4.2(a)(iii).


              


      

       

      
        
          
          

        

        
          81

          
            

          

        

        
          
          

        

      

       

      For
        purposes of the preceding paragraph, the share of an Unanticipated Recovery
        allocable to any Class of Certificates with respect to a Mortgage Loan shall
        be
        (i) with respect to the Principal Only Certificates, based on the applicable
        PO
        Percentage of the principal portion of the Realized Loss previously allocated
        thereto with respect to such Mortgage Loan (or all Mortgage Loans for purposes
        of the next to last sentence of the preceding paragraph), and (ii) with respect
        to any other Class of Certificates, based on its pro
        rata
        share
        (in proportion to the Class Certificate Balances thereof with respect to
        such
        Distribution Date) of the applicable Non-PO Percentage of the principal portion
        of any such Realized Loss previously allocated with respect to such Mortgage
        Loan (or Loans); provided however, that (i) the share of an Unanticipated
        Recovery allocable to a Principal Only Certificate with respect to any Mortgage
        Loan (or Loans) shall be reduced by the applicable PO Percentage of the
        aggregate amount previously distributed to such Class in respect of such
        Mortgage Loan (or Loans) and (ii) the amount by which the distributions to
        the
        Principal Only Certificates have been so reduced shall be distributed to
        the
        Classes of Certificates described in clause (ii) of the preceding paragraph
        in
        the same proportion as described in such clause (ii). For purposes of the
        preceding sentence, any Class PO Deferred Amount distributable to a Principal
        Only Certificate on previous Distribution Dates shall be deemed to have been
        allocated in respect of the Mortgage Loans as to which the applicable PO
        Percentage of the principal portion of Realized Losses has previously been
        allocated to such Class on a pro
        rata
        basis
        (based on the amount of Realized Losses so allocated).

       

      
        	 	
                (k)

              	
                On
                  any Distribution Date on which any Certificate Group constitutes
                  an
                  Undercollateralized Group, all amounts otherwise distributable
                  as
                  principal on the Subordinated Certificates, in reverse order of
                  priority
                  (or, following the Cross-over Date, such other amounts described
                  in the
                  immediately following sentence), will be distributed as principal
                  to the
                  Senior Certificates of such Undercollateralized Group (other than
                  the
                  Principal Only Certificates) in accordance with the priorities
                  set forth
                  in Section 4.2(a)(iii), until the total Class Certificate Balance
                  of such
                  Senior Certificates equals the Pool Principal Balance of the related
                  Mortgage Pool (such distribution, an “Undercollateralization
                  Distribution”). If the Senior Certificates of a Certificate Group (other
                  than the Principal Only Certificates) constitute an Undercollateralized
                  Group on any Distribution Date following the Cross-over Date,
                  Undercollateralization Distributions will be made from the excess
                  of the
                  Available Funds for the other Mortgage Pool remaining after all
                  required
                  amounts for that Distribution Date have been distributed to the
                  Senior
                  Certificates of the other Certificate Group (other than the Principal
                  Only
                  Certificates). In addition, the amount of any unpaid Accrued Certificate
                  Interest with respect to an Undercollateralized Group on any Distribution
                  Date (including any Accrued Certificate Interest for the related
                  Distribution Date) will be distributed to the Senior Certificates
                  of the
                  Undercollateralized Group (other than the Principal Only Certificates)
                  prior to the payment of any Undercollateralization Distributions
                  from
                  amounts otherwise distributable as principal on the Subordinated
                  Certificates, in reverse order of priority (or, following the Cross-over
                  Date, as provided in the preceding sentence). Except as provided
                  otherwise
                  in this Section 4.2(k), no distribution of principal will be made
                  to any
                  Class of Subordinated Certificates until each Undercollateralized
                  Group is
                  no longer undercollateralized. 

              


      

       

      
        
          
          

        

        
          82

          
            

          

        

        
          
          

        

      

       

      In
        addition, if on any Distribution Date the total Class Certificate Balance
        of the
        Senior Certificates of a Certificate Group (other than the Principal Only
        Certificates) (after giving effect to distributions to be made on that
        Distribution Date) has been reduced to zero, all amounts otherwise distributable
        as prepayments of principal to the Subordinated Certificates, in reverse
        order
        of priority, will instead be distributed as principal to the Senior Certificates
        of the other Certificate Group (other than the Principal Only Certificates)
        unless (a) the weighted average of the Subordinated Percentages for the Mortgage
        Pools, weighted on the basis of the Stated Principal Balance of the Mortgage
        Loans in the related Mortgage Pool (other than the Principal Only Certificates),
        is at least two times the weighted average of the initial Subordinate Percentage
        for the Mortgage Pools (calculated on such basis), (b) the aggregate Stated
        Principal Balance of all the Mortgage Loans in the Mortgage Pools delinquent
        60
        days or more (including for this purpose any Mortgage Loans in foreclosure
        or
        subject to bankruptcy proceedings and Mortgage Loans with respect to which
        the
        related Mortgaged Property has been acquired by the Trust Fund), averaged
        over
        the preceding six month period, as a percentage of the then current aggregate
        Class Certificate Balance of the Subordinated Certificates, is less than
        50%,
        and (c) the cumulative Realized Losses in both Mortgage Pools do not exceed
        (i)
        20% of the Original Subordinated Principal Balance if such Distribution Date
        occurs between and including January 2007 and December 2009, and 30% of the
        Original Subordinated Principal Balance if such Distribution Date occurs
        on or
        after January 2010. Except as provided otherwise in this Section 4.2(k),
        all
        distributions described above will be made in accordance with the priorities
        set
        forth in Section 4.2(a)(iii).

       

      SECTION
        4.3 Method of Distribution.

       

      
        	 	
                (a)

              	
                All
                  distributions with respect to each Class of Certificates on each
                  Distribution Date shall be made pro
                  rata
                  among the outstanding Certificates of such Class, based on the
                  Percentage
                  Interest in such Class represented by each Certificate. Payments
                  to the
                  Certificateholders on each Distribution Date will be made by the
                  Trustee
                  to the Certificateholders of record on the related Record Date
                  by check or
                  money order mailed to a Certificateholder at the address appearing
                  in the
                  Certificate Register, or upon written request by such Certificateholder
                  to
                  the Trustee made not later than the applicable Record Date, by
                  wire
                  transfer to a U.S. depository institution acceptable to the Trustee,
                  or by
                  such other means of payment as such Certificateholder and the Trustee
                  shall agree. 

              


      

       

      
        	 	
                (b)

              	
                Each
                  distribution with respect to a Book-Entry Certificate shall be
                  paid to the
                  Depository, which shall credit the amount of such distribution
                  to the
                  accounts of its Depository Participants in accordance with its
                  normal
                  procedures. Each Depository Participant shall be responsible for
                  disbursing such distribution to the Certificate Owners that it
                  represents
                  and to each financial intermediary for which it acts as agent.
                  Each such
                  financial intermediary shall be responsible for disbursing funds
                  to the
                  Certificate Owners that it represents. All such credits and disbursements
                  with respect to a Book-Entry Certificate are to be made by the
                  Depository
                  and the Depository Participants in accordance with the provisions
                  of the
                  applicable Certificates. Neither the Trustee nor the Master Servicer
                  shall
                  have any responsibility therefor except as otherwise provided by
                  applicable law.

              


      

       

      
        
          
          

        

        
          83

          
            

          

        

        
          
          

        

      

       

      
        	 	
                (c)

              	
                The
                  Trustee shall withhold or cause to be withheld such amounts as
                  it
                  reasonably determines are required by the Code (giving full effect
                  to any
                  exemptions from withholding and related certifications required
                  to be
                  furnished by Certificateholders or Certificate Owners and any reductions
                  to withholding by virtue of any bilateral tax treaties and any
                  applicable
                  certification required to be furnished by Certificateholders or
                  Certificate Owners with respect thereto) from distributions to
                  be made to
                  Non-U.S. Persons. If the Trustee reasonably determines that a more
                  accurate determination of the amount required to be withheld for
                  a
                  distribution can be made within a reasonable period after the scheduled
                  date for such distribution, it may hold such distribution in trust
                  for a
                  Holder of a Residual Certificate until such determination can be
                  made. For
                  the purposes of this paragraph, a “Non-U.S. Person” is (i) an individual
                  other than a citizen or resident of the United States, (ii) a partnership,
                  corporation or entity treated as a partnership or corporation for
                  U.S.
                  federal income tax purposes not formed under the laws of the United
                  States, any state thereof or the District of Columbia (unless,
                  in the case
                  of a partnership, Treasury regulations provide otherwise), (iii)
                  any
                  estate, the income of which is not subject to U.S. federal income
                  taxation, regardless of source, and (iv) any trust, other than
                  a trust
                  that 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 the authority to control all substantial decisions
                  of the
                  trust.

              


      

       

      SECTION
        4.4 Allocation of Losses. 

       

      
        	 	
                (a)

              	
                On
                  or prior to each Determination Date, the Master Servicer shall
                  determine
                  the amount of any Realized Loss in respect of each Mortgage Loan
                  that
                  occurred during the immediately preceding calendar
                  month.

              


      

       

      
        	 	
                (b)

              	
                The
                  principal portion of each Realized Loss with respect to a Mortgage
                  Pool
                  shall be allocated as follows:

              


      

       

      
        	 	
                (i)

              	
                with
                  respect to any Distribution Date, the applicable PO Percentage
                  of the
                  principal portion of any such Realized Loss on a Discount Mortgage
                  Loan in
                  such Mortgage Pool shall be allocated to the applicable PO Certificates
                  until the Class Certificate Balance thereof has been reduced to
                  zero;
                  and

              


      

       

      
        	 	
                (ii)

              	
                prior
                  to the Cross-over Date, the applicable Non-PO Percentage of the
                  principal
                  portion of any such Realized Loss (except Excess Losses) (or the
                  applicable PO Percentage thereof, in the case of the related Class
                  PO
                  Certificates) shall be allocated in the following order of
                  priority:

              


      

       

      first,
        to
        the
        Class B-6 Certificates until the Class Certificate Balance thereof has been
        reduced to zero;

       

      
        
          
          

        

        
          84

          
            

          

        

        
          
          

        

      

       

      second,
        to
        the
        Class B-5 Certificates until the Class Certificate Balance thereof has been
        reduced to zero;

       

      third,
        to
        the
        Class B-4 Certificates until the Class Certificate Balance thereof has been
        reduced to zero;

       

      fourth,
        to
        the
        Class B-3 Certificates until the Class Certificate Balance thereof has been
        reduced to zero;

       

      fifth,
        to the
        Class B-2 Certificates until the Class Certificate Balance thereof has been
        reduced to zero;

       

      sixth,
        to
        the
        Class B-1 Certificates until the Class Certificate Balance thereof has been
        reduced to zero; and

       

      seventh,
        to the
        Classes of Senior Certificates of the related Certificate Group (other than
        the
        Class PO Certificates), pro
        rata,
        in
        accordance with their Class Certificate Balances;

       

      
        	 	
                (iii)

              	
                from
                  and after the Cross-over Date, the applicable Non-PO Percentage
                  of the
                  principal portion of any Realized Loss for a Mortgage Pool will
                  be
                  allocated among the outstanding Classes of Senior Certificates
                  of the
                  related Certificate Group entitled to principal distributions ((other
                  than
                  (i) the Super Senior Certificates as long as the related Senior
                  Mezzanine
                  Certificates are outstanding, and (ii) the Class PO Certificates),
                  pro
                  rata,
                  based upon their Class Certificate Balances within that Certificate
                  Group.

              


      

       

      
        	 	
                (c)

              	
                From
                  and after the Cross-over Date, (i) the principal portion of Realized
                  Losses (other than Excess Losses) on the Mortgage Loans in Pool
                  I
                  allocable to the I-A-1 Certificates will instead be borne first
                  by the
                  Class I-A-3 Certificates, until the Class Certificate Balance of
                  the Class
                  I-A-3 Certificates is reduced to zero (in addition to other Realized
                  Losses allocable to the Class I-A-3 Certificates), and not by the
                  Class
                  I-A-1 Certificates until the Class Certificate Balance of the Class
                  I-A-3
                  Certificates has been reduced to zero, (ii) the principal portion
                  of
                  Realized Losses (other than Excess Losses) on the Mortgage Loans
                  in Pool I
                  allocable to the Class I-A-5, Class I-A-6 and Class I-A-7 Certificates
                  will instead be borne first by the Class I-A-8 Certificates, pro
                  rata,
                  until the Class Certificate Balance of the Class I-A-8 Certificates
                  is
                  reduced to zero (in addition to other Realized Losses allocable
                  to the
                  Class I-A-8 Certificates), and not by the Class I-A-5, Class I-A-6
                  and
                  Class I-A-7 Certificates until the Class Certificate Balance of
                  the Class
                  I-A-8 Certificates has been reduced to zero, and (iii) the principal
                  portion of Realized Losses (other than Excess Losses) on the Mortgage
                  Loans in Pool I allocable to the I-A-15 Certificates will instead
                  be borne
                  first by the Class I-A-16 Certificates, until the Class Certificate
                  Balance of the Class I-A-16 Certificates is reduced to zero (in
                  addition
                  to other Realized Losses allocable to the Class I-A-8 Certificates),
                  and
                  not by the Class I-A-15 Certificates until the Class Certificate
                  Balance
                  of the Class I-A-16 Certificates has been reduced to
                  zero.

              


      

       

      
        
          
          

        

        
          85

          
            

          

        

        
          
          

        

      

       

      
        	 	
                (d)

              	
                With
                  respect to any Distribution Date, the applicable Non-PO Percentage
                  of the
                  principal portion of any Excess Loss with respect to a Mortgage
                  Pool
                  (other than Excess Bankruptcy Losses attributable to Debt Service
                  Reductions) shall be allocated pro
                  rata
                  to
                  each Class of Certificates (other than the Class PO Certificates)
                  of the
                  related Certificate Group based on their respective Class Certificate
                  Balances (in the case of the Senior Certificates) or Apportioned
                  Principal
                  Balances (in the case of the Subordinated Certificates).
                  

              


      

       

      
        	 	
                (e)

              	
                Any
                  Realized Losses allocated to a Class of Certificates pursuant to
                  Section
                  4.4(b), (c) or (d) shall be allocated among the Certificates of
                  such
                  Class in
                  proportion to their respective Certificate Principal Balances.
                  Any
                  allocation of Realized Losses pursuant to this paragraph (e) shall
                  be
                  accomplished by reducing the Certificate Principal Balances of
                  the related Certificates on the related Distribution Date in accordance
                  with Section 4.4(f).

              


      

       

      
        	 	
                (f)

              	
                Realized
                  Losses allocated in accordance with this Section 4.4 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 the distributions made on such Distribution Date.
                  The
                  aggregate amount of Realized Losses to be allocated to the Principal
                  Only
                  Certificates on such Distribution Date will be taken into account
                  in
                  determining distributions in respect of any Class PO Deferred Amount
                  for
                  such Distribution Date.

              


      

       

      
        	 	
                (g)

              	
                On
                  each Distribution Date, the Master Servicer shall determine the
                  Subordinated Certificate Writedown Amount, if any. Any such Subordinated
                  Certificate Writedown Amount shall effect, without duplication
                  of any
                  other provision in this Section 4.4 that provides for a reduction
                  in the
                  Class Certificate Balance of the Subordinated Certificates, a
                  corresponding reduction in the Class Certificate Balance of the
                  Subordinated Certificates, which reduction shall occur on such
                  Distribution Date after giving effect to distributions made on
                  such
                  Distribution Date.

              


      

       

      
        	 	
                (h)

              	
                Notwithstanding
                  the foregoing, no such allocation of any Realized Loss shall be
                  made on a
                  Distribution Date to a Class of Certificates to
                  the extent that such allocation would result in the reduction of
                  the
                  aggregate Class Certificate Balances of all the Senior Certificates
                  of a
                  related Certificate Group as of such Distribution Date plus the
                  Apportioned Principal Balances of the Subordinated Certificates
                  of such
                  Certificate Group as of such Distribution Date, after giving effect
                  to all
                  distributions and prior allocations of Realized Losses on such
                  date, to an
                  amount less than the aggregate Stated Principal Balance of the
                  Mortgage
                  Loans in the related Mortgage Pool as of the first day of the month
                  of
                  such Distribution Date, less any Deficient Valuations occurring
                  on or
                  prior to the Bankruptcy Coverage Termination Date (such limitation,
                  the
                  “Loss Allocation Limitation”).

              


      

       

      
        
          
          

        

        
          86

          
            

          

        

        
          
          

        

      

       

      SECTION
        4.5 Reserved.

       

      SECTION
        4.6 Monthly Statements to Certificateholders.

       

      (a) Not
        later
        than each Distribution Date, the Trustee shall prepare and cause to be forwarded
        by first class mail to each Certificateholder, the Master Servicer, the
        Depositor and each Rating Agency a statement, that complies with Item 1121
        of
        Regulation AB, setting forth, among other things, with respect to the related
        distribution and/or may post such statement on its website located at
        www.bnyinvestorreporting.com:

       

      (i) the
        amount thereof allocable to principal, separately identifying the aggregate
        amount of any Principal Prepayments and Liquidation Proceeds included
        therein;

       

      (ii) the
        amount thereof allocable to interest, the amount of any Compensating Interest
        included in such distribution and any remaining Net Interest Shortfalls after
        giving effect to such distribution;

       

      (iii) if
        the
        distribution to the Holders of such Class of Certificates is less than the
        full
        amount that would be distributable to such Holders if there were sufficient
        funds available therefor, the amount of the shortfall and the allocation
        thereof
        as between principal and interest;

       

      (iv) the
        Class
        Certificate Balance of each Class of Certificates after giving effect to
        the
        distribution of principal on such Distribution Date;

       

      (v) the
        Pool
        Principal Balance for each Mortgage Pool for the following Distribution
        Date;

       

      (vi) the
        Senior Percentage and Subordinated Percentage for each Certificate Group
        for the
        following Distribution Date;

       

      (vii) the
        amount of the Master Servicing Fees paid to or retained by the Master Servicer
        with respect to such Distribution Date;

       

      (viii) the
        Pass-Through Rate for each such Class of Certificates with respect to such
        Distribution Date;

       

      (ix) the
        amount of Advances for each Mortgage Pool included in the distribution on
        such
        Distribution Date and the aggregate amount of Advances for each Mortgage
        Pool
        outstanding as of the close of business on such Distribution Date;

       

      (x) the
        number and aggregate principal amounts of Mortgage Loans (A) delinquent
        (exclusive of Mortgage Loans in foreclosure) (1) 1 to 30 days (2) 31 to 60
        days
        (3) 61 to 90 days and (4) 91 or more days and (B) in foreclosure and delinquent
        (1) 1 to 30 days (2) 31 to 60 days (3) 61 to 90 days and (4) 91 or more days,
        as
        of the close of business on the last day of the calendar month preceding
        such
        Distribution Date;

       

      
        
          
          

        

        
          87

          
            

          

        

        
          
          

        

      

       

      (xi) with
        respect to any Mortgage Loan in a Mortgage Pool that became an REO Property
        during the preceding calendar month, the loan number and Stated Principal
        Balance of such Mortgage Loan as of the close of business on the Determination
        Date preceding such Distribution Date and the date of acquisition
        thereof;

       

      (xii) the
        total
        number and principal balance of any REO Properties (and market value, if
        available) in each Mortgage Pool as of the close of business on the
        Determination Date preceding such Distribution Date;

       

      (xiii) the
        Senior Prepayment Percentage for each Certificate Group for the following
        Distribution Date;

       

      (xiv) the
        aggregate amount of Realized Losses incurred in respect of each Mortgage
        Pool
        during the preceding calendar month;

       

      (xv) the
        cumulative amount of Realized Losses applied in reduction of the principal
        balance of each Class of Certificates since the Closing Date;

       

      (xvi) the
        Special Hazard Loss Coverage Amount, the Fraud Loss Coverage Amount and the
        Bankruptcy Loss Coverage Amount, in each case as of the related Determination
        Date; and

       

      (xvii) with
        respect to the second Distribution Date, the number and aggregate balance
        of any
        Delay Delivery Mortgage Loans not delivered within thirty days after the
        Closing
        Date.

       

      (b) The
        Trustee’s responsibility for disbursing the above information to the
        Certificateholders is limited to the availability, timeliness and accuracy
        of
        the information provided by the Master Servicer.

       

      (c) On
        or
        before the fifth Business Day following the end of each Prepayment Period
        (but
        in no event later than the third Business Day prior to the related Distribution
        Date), the Master Servicer shall deliver to the Trustee (which delivery may
        be
        by electronic data transmission) a report in substantially the form set forth
        as
        Schedule III hereto.

       

      (d) Within
        a
        reasonable period of time after the end of each calendar year, the Trustee
        shall
        cause to be furnished to each Person who at any time during the calendar
        year
        was a Certificateholder, a statement containing the information set forth
        in
        clauses (a)(i), (a)(ii) and (a)(vii) of this Section 4.6 aggregated for such
        calendar year or applicable portion thereof during which such Person was
        a
        Certificateholder. Such obligation of the Trustee shall be deemed to have
        been
        satisfied to the extent that substantially comparable information shall be
        provided by the Trustee pursuant to any requirements of the Code as from
        time to
        time in effect.

       

      
        
          
          

        

        
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      SECTION
        4.7 Reserve Fund 

       

      
        	 	
                (a)

              	
                On
                  the Closing Date, (i) the Trustee shall establish the Reserve Fund,
                  which
                  will be held in trust by the Trustee, as part of the Separate Interest
                  Trust, on behalf of the Holders of the Class I-A-1 Certificates,
                  and (ii)
                  the Depositor will deposit or cause to be deposited $1,000 in the
                  Reserve
                  Fund. The Reserve Fund shall be a separate Eligible Account, and
                  funds on
                  deposit therein shall be held separate and apart from, and shall
                  not be
                  commingled with, any other moneys, including without limitation
                  other
                  moneys of the Trustee held pursuant to this Agreement. The Corridor
                  Residual Owner will own the residual interest in the Reserve Fund.
                  The
                  Reserve Fund shall be an asset of the Separate Interest Trust.
                  

              


      

       

      
        	 	
                (b)

              	
                On
                  each Distribution Date prior to the Corridor Contract Termination
                  Date,
                  after the deposit of the Yield Supplement Amount into the Corridor
                  Reserve
                  Fund on such Distribution Date pursuant to Section 4.8(b), the
                  Trustee
                  will distribute the Yield Supplement Amount to the holders of the
                  Class
                  I-A-1 Certificates. After the foregoing distributions have been
                  made, the
                  Trustee shall pay any amounts in excess of $1,000 remaining on
                  deposit in
                  the Reserve Fund to the Corridor Residual
                  Owner.

              


      

       

      SECTION
        4.8 Separate Interest Trust.

       

      
        	 	
                (a)

              	
                The
                  Depositor hereby creates a trust, separate from the Trust, for
                  the benefit
                  of the holders of the Class I-A-1 Certificates (such trust is referred
                  to
                  herein as the “Separate Interest Trust”) and hereby transfers, assigns and
                  conveys the sum of $1.00 into the Separate Interest Trust. The
                  Corridor
                  Contract and the Reserve Fund will also be assets of the Separate
                  Interest
                  Trust. The Trustee shall be the trustee of the Separate Interest
                  Trust,
                  shall sign the Corridor Contract on behalf of the Separate Interest
                  Trust
                  as such, and shall have no responsibility for the contents, adequacy
                  or
                  sufficiency of the Corridor Contract, including, without limitation,
                  the
                  representations and warranties of the parties contained therein.
                  The
                  Corridor Residual Owner will own the residual interest in the Separate
                  Interest Trust. The Separate Interest Trust shall not be an asset
                  of the
                  Trust Fund or any REMIC established hereby.


              


      

       

      
        	 	
                (b)

              	
                The
                  Trustee shall deposit into the Reserve Fund any and all amounts
                  received
                  from time to time from the Corridor Contract Counterparty in respect
                  of
                  the applicable Corridor Contract.

              


      

       

      
        	 	
                (c)

              	
                The
                  Trustee will treat the Separate Interest Trust for Federal tax
                  purposes as
                  a grantor trust with the Corridor Residual Owner as the sole beneficiary
                  and will apply for a separate Federal tax identification number
                  for the
                  Separate Interest Trust.

              


      

       

      
        
          
          

        

        
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                (d)

              	
                Upon
                  termination of a Corridor Contract and payment of all amounts owed
                  by the
                  Corridor Contract Counterparty thereunder, following application
                  by the
                  Trustee of funds on the applicable Distribution Date to pay amounts
                  owed
                  pursuant to Section 4.7(b) hereof, the Trustee shall terminate
                  the Reserve
                  Fund and the Separate Interest Trust. Upon termination of the Reserve
                  Fund
                  and the Separate Interest Trust, any amounts remaining in the Reserve
                  Fund
                  after payment of the Yield Supplement Amount, if any, owed to the
                  holders
                  of the Class I-A-1 Certificates, shall be distributed to the Corridor
                  Residual Owner.

              


      

       

      SECTION
        4.9 Determination of Pass-Through Rates for LIBOR Certificates.

       

      
        	 	
                (a)

              	
                On
                  each LIBOR Determination Date so long as any LIBOR Certificates
                  are
                  outstanding, the Trustee will determine LIBOR on the basis of the
                  British
                  Bankers’ Association (“BBA”) “Interest Settlement Rate” for one-month
                  deposits in U.S. dollars as found on Telerate page 3750 as of 11:00
                  a.m.
                  London time on each LIBOR Determination Date. “Telerate Page 3750” means
                  the display page currently so designated on the Bridge Telerate
                  Service
                  (formerly the Dow Jones Markets) or such other page as may replace
                  that
                  page on that service for the purpose of displaying comparable rates
                  or
                  prices. LIBOR for the initial LIBOR Determination Date will be
                  equal to
                  the Initial LIBOR Rate. 

              


      

       

      
        	 	
                (b)

              	
                If
                  LIBOR cannot be determined as provided in paragraph (a) of this
                  Section
                  4.9, the Trustee shall either (i) request each Reference Bank inform
                  the
                  Trustee of the quotation offered by such Reference Bank’s principal London
                  office for making one-month United States dollar deposits in leading
                  banks
                  in the London interbank market, as of 11:00 a.m. (London time)
                  on such
                  LIBOR Determination Date or (ii) in lieu of making any such request,
                  rely
                  on such Reference Bank quotations that appear at such time on the
                  Reuters
                  Screen LIBO Page (as defined in the International Swap Dealers
                  Association
                  Inc. Code of Standard Wording, Assumptions and Provisions for Swaps,
                  1986
                  Edition) to the extent available. With respect to clause (i) above,
                  LIBOR
                  for the next Interest Accrual Period will be established by the
                  Trustee on
                  each LIBOR Determination Date as
                  follows:

              


      

       

      
        	 	
                (i)

              	
                If
                  on any LIBOR Determination Date two or more Reference Banks provide
                  such
                  offered quotations, LIBOR for the next Interest Accrual Period
                  shall be
                  the arithmetic mean of such offered quotations (rounding such arithmetic
                  mean upwards if necessary to the nearest whole multiple of
                  1/32%).

              


      

       

      
        	 	
                (ii)

              	
                If
                  on any LIBOR Determination Date only one or none of the Reference
                  Banks
                  provides such offered quotations, LIBOR for the next Interest Accrual
                  Period shall be whichever is the higher of (i) LIBOR as determined
                  on the
                  previous LIBOR Determination Date or (ii) the Reserve Interest
                  Rate. The
                  “Reserve Interest Rate” shall be the rate per annum which the Trustee
                  determines to be either (i) the arithmetic mean (rounded upwards
                  if
                  necessary to the nearest whole multiple of 1/32%) of the one-month
                  United
                  States dollar lending rates that New York City banks selected by
                  the
                  Trustee are quoting, on the relevant LIBOR Determination Date,
                  to the
                  principal London offices of at least two of the Reference Banks
                  to which
                  such quotations are, in the opinion of the Trustee, being so made,
                  or (ii)
                  in the event that the Trustee can determine no such arithmetic
                  mean, the
                  lowest one-month United States dollar lending rate which New York
                  City
                  banks selected by the Trustee are quoting on such LIBOR Determination
                  Date
                  to leading European banks.

              


      

       

      
        
          
          

        

        
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              (iii)

            	
              If
                on any LIBOR Determination Date the trustee is required but is unable
                to
                determine the Reserve Interest Rate in the manner provided in paragraph
                (b) above, LIBOR shall be LIBOR as determined on the preceding LIBOR
                Determination Date.

            


    

     

    The
      Master Servicer shall designate at least four Reference Banks. Until all of
      the
      LIBOR Certificates are paid in full, the Trustee will refer to the four
      Reference Banks designated by the Master Servicer to determine LIBOR with
      respect to each LIBOR Determination Date. Each “Reference Bank” shall be a
      leading bank engaged in transactions in Eurodollar deposits in the international
      Eurocurrency market, shall not control, be controlled by, or be under common
      control with, the Trustee and shall have an established place of business in
      London. If any such Reference Bank should be unwilling or unable to act as
      such,
      the Master Servicer shall promptly appoint or cause to be appointed another
      Reference Bank. The Trustee shall have no liability or responsibility to any
      Person for (i) the selection of any Reference Bank for purposes of determining
      LIBOR or (ii) any inability of the Master Servicer to designate at least four
      Reference Banks. 

     

    
      	 	
              (c)

            	
              The
                Pass-Through Rate for each Class of LIBOR Certificates for each Interest
                Accrual Period shall be determined by the Trustee on each LIBOR
                Determination Date so long as the LIBOR Certificates are outstanding
                on
                the basis of LIBOR and the respective formulae appearing in footnotes
                corresponding to the LIBOR Certificates in the table relating to
                the
                Certificates in the Preliminary Statement.


            


    

     

    In
      determining LIBOR, any Pass-Through Rate for the LIBOR Certificates, any
      Interest Settlement Rate, or any Reserve Interest Rate, the Trustee may
      conclusively rely and shall be protected in relying upon the offered quotations
      (whether written, oral or on the Bridge Telerate Service) from the BBA
      designated banks, the Reference Banks or the New York City banks as to LIBOR,
      the Interest Settlement Rate or the Reserve Interest Rate, as appropriate,
      in
      effect from time to time. The Trustee shall not have any liability or
      responsibility to any Person for (i) the Trustee’s selection of New York City
      banks for purposes of determining any Reserve Interest Rate or (ii) its
      inability, following a good-faith reasonable effort, to obtain such quotations
      from, the BBA designated banks, the Reference Banks or the New York City banks
      or to determine such arithmetic mean, all as provided for in this Section
      4.9.

     

    
      	 	
              (d)

            	
              The
                establishment of LIBOR and each Pass-Through Rate for the LIBOR
                Certificates by the Trustee shall (in the absence of manifest error)
                be
                final, conclusive and binding upon each Holder of a Certificate and
                the
                Trustee.

            


    

     

    
      
        
        

      

      
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    ARTICLE
      V

    THE
      CERTIFICATES

     

    SECTION
      5.1 The Certificates.

     

    The
      Certificates shall be substantially in the forms attached hereto as exhibits.
      The Certificates shall be issuable in registered form, in the minimum
      denominations, integral multiples in excess thereof (except that one Certificate
      in each Class may be issued in a different amount which must be in excess of
      the
      applicable minimum denomination) and aggregate denominations per Class set
      forth
      in the Preliminary Statement.

     

    Subject
      to Section 9.2 hereof respecting the final distribution on the Certificates,
      on
      each Distribution Date the Trustee shall make distributions to each
      Certificateholder of record on the preceding Record Date either (x) by wire
      transfer in immediately available funds to the account of such Holder at a
      bank
      or other entity having appropriate facilities therefor, if (i) such Holder
      has
      so notified the Trustee at least five Business Days prior to the related Record
      Date and (ii) such Holder shall hold (A) 100% of the Class Certificate Balance
      of any Class of Certificates or (B) Certificates of any Class with aggregate
      principal Denominations of not less than $1,000,000 or (y) by check mailed
      by
      first class mail to such Certificateholder at the address of such Holder
      appearing in the Certificate Register.

     

    The
      Certificates shall be executed by manual or facsimile signature on behalf of
      the
      Trustee by an authorized officer. Certificates bearing the manual or facsimile
      signatures of individuals who were, at the time when such signatures were
      affixed, authorized to sign on behalf of the Trustee shall bind the Trustee,
      notwithstanding that such individuals or any of them have ceased to be so
      authorized prior to the countersignature and delivery of such Certificates
      or
      did not hold such offices at the date of such Certificate. No Certificate shall
      be entitled to any benefit under this Agreement, or be valid for any purpose,
      unless countersigned by the Trustee by manual signature, and such
      countersignature upon any Certificate shall be conclusive evidence, and the
      only
      evidence, that such Certificate has been duly executed and delivered hereunder.
      All Certificates shall be dated the date of their countersignature. On the
      Closing Date, the Trustee shall countersign the Certificates to be issued at
      the
      direction of the Depositor, or any affiliate thereof.

     

    The
      Depositor shall provide, or cause to be provided, to the Trustee on a continuous
      basis, an adequate inventory of Certificates to facilitate
      transfers.

     

    SECTION
      5.2 Certificate Register; Registration of Transfer and Exchange of
      Certificates.

     

    
      	 	
              (a)

            	
              The
                Trustee shall maintain, or cause to be maintained in accordance with
                the
                provisions of Section 5.6 hereof, a Certificate Register for the
                Trust
                Fund in which, subject to the provisions of subsections (b) and (c)
                below
                and to such reasonable regulations as it may prescribe, the Trustee
                shall
                provide for the registration of Certificates and of transfers and
                exchanges of Certificates as herein provided. Upon surrender for
                registration of transfer of any Certificate, the Trustee shall execute
                and
                deliver, in the name of the designated transferee or transferees,
                one or
                more new Certificates of the same Class and aggregate Percentage
                Interest.

            


    

     

    
      
        
        

      

      
        92

        
          

        

      

      
        
        

      

    

     

    At
      the
      option of a Certificateholder, Certificates may be exchanged for other
      Certificates of the same Class in authorized denominations and evidencing the
      same aggregate Percentage Interest upon surrender of the Certificates to be
      exchanged at the office or agency of the Trustee. Whenever any Certificates
      are
      so surrendered for exchange, the Trustee shall execute, authenticate, and
      deliver the Certificates which the Certificateholder making the exchange is
      entitled to receive. Every Certificate presented or surrendered for registration
      of transfer or exchange shall be accompanied by a written instrument of transfer
      in form satisfactory to the Trustee duly executed by the Holder thereof or
      his
      attorney duly authorized in writing.

     

    No
      service charge to the Certificateholders shall be made for any registration
      of
      transfer or exchange of Certificates, but payment of a sum sufficient to cover
      any tax or governmental charge that may be imposed in connection with any
      transfer or exchange of Certificates may be required.

     

    All
      Certificates surrendered for registration of transfer or exchange shall be
      cancelled and subsequently destroyed by the Trustee in accordance with the
      Trustee’s customary procedures.

     

    
      	 	
              (b)

            	
              No
                transfer of a Private Certificate shall be made unless such transfer
                is
                made pursuant to an effective registration statement under the Securities
                Act and any applicable state securities laws or is exempt from the
                registration requirements under said Act and such state securities
                laws.
                In the event that a transfer is to be made in reliance upon an exemption
                from the Securities Act and such laws, in order to assure compliance
                with
                the Securities Act and such laws, any Holder of a Private Certificate
                (other than a Private Certificate that is a Book-Entry Certificate)
                desiring to effect such transfer and such Certificateholder’s prospective
                transferee shall each certify to the Trustee in writing the facts
                surrounding the transfer in substantially the forms set forth in
                Exhibit I
                (the “Transferor Certificate”) and (i) deliver a letter in substantially
                the form of either Exhibit J (the “Investment Letter”) or Exhibit K (the
                “Rule 144A Letter”) or (ii) there shall be delivered to the Trustee at the
                expense of the transferor an Opinion of Counsel that such transfer
                may be
                made pursuant to an exemption from the Securities Act.
                

            


    

     

    Each
      Holder of a Private Certificate that is a Book-Entry Certificate, by its
      acquisition thereof (or a beneficial interest therein), shall be deemed to
      have
      represented and warranted for the benefit of the Depositor, the Servicer and
      the
      Trustee that (a) it understands that the Private Certificates are not being
      registered under the Securities Act, or any state securities laws and are being
      transferred to it in a transaction that is exempt from the registration
      requirements of the Securities Act and any such laws, (b) it has such knowledge
      and experience in financial and business matters that it is capable of
      evaluating the merits and risks of investments in the Private Certificates,
      (c)
      it has had the opportunity to ask questions of and receive answers from the
      Depositor concerning the purchase of the Private Certificates and all matters
      relating thereto or any additional information deemed necessary to its decision
      to purchase the Private Certificates, (d) neither it, nor any anyone acting
      on
      its behalf, has offered, transferred, pledged, sold or otherwise disposed of
      the
      Private Certificates or any interest therein, or solicited any offer to buy
      or
      accept a transfer, pledge or other disposition of the Private Certificates
      or
      any interest therein from, or otherwise approached or negotiated with respect
      to
      the Private Certificates or any interest therein with, any person in any manner,
      or made any general solicitation by means of general advertising or in any
      other
      manner, or taken any other action, that would constitute a distribution of
      the
      Private Certificates under the Securities Act or that would render the
      disposition of the Private Certificates a violation of Section 5 of the
      Securities Act or require registration pursuant thereto, nor will it act, nor
      has it authorized or will authorize any person to act, in such manner with
      respect to the Private Certificates, (e) it is a “qualified institutional buyer”
as that term is defined in Rule 144A under the Securities Act (“Rule 144A”), (f)
      it is aware that the sale of the Private Certificates to it is being made in
      reliance on Rule 144A, (g) it is acquiring the Private Certificates for its
      own
      account or for resale pursuant to Rule 144A and it understands that the Private
      Certificates may be resold, pledged or transferred only (A) to a person whom
      it
      reasonably believes to be a qualified institutional buyer that purchases for
      its
      own account or for the account of a qualified institutional buyer to whom notice
      is given that the resale, pledge or transfer is being made in reliance on Rule
      144A, or (B) pursuant to another exemption from registration under the
      Securities Act; and (h) it understands that no representation is made as to
      the
      availability of the exemption provided by Rule 144A for resales of the Private
      Certificates.

    
       

      
        
          
          

        

        
          93

          
            

          

        

        
          
          

        

      

    

     

    The
      Depositor shall provide to any Holder of a Private Certificate and any
      prospective transferee designated by any such Holder, information regarding
      the
      related Certificates and the Mortgage Loans and such other information as shall
      be necessary to satisfy the condition to eligibility set forth in Rule
      144A(d)(4) for transfer of any such Certificate without registration thereof
      under the Securities Act pursuant to the registration exemption provided by
      Rule
      144A. The Trustee and the Master Servicer shall cooperate with the Depositor
      in
      providing the Rule 144A information referenced in the preceding sentence,
      including providing to the Depositor such information regarding the
      Certificates, the Mortgage Loans and other matters regarding the Trust Fund
      as
      the Depositor shall reasonably request to meet its obligation under the
      preceding sentence. Each Holder of a Private Certificate desiring to effect
      such
      transfer shall, and by its acceptance of a Private Certificate does hereby
      agree
      to, indemnify the Trustee and the Depositor, the Seller and the Master Servicer
      against any liability that may result if the transfer is not so exempt or is
      not
      made in accordance with such federal and state laws.

     

    No
      transfer of an ERISA-Restricted Certificate (in the form of a Definitive
      Certificate) shall be made unless the Trustee shall have received a Transferor
      Certificate from the related transferor and either (i) a representation from
      the
      transferee of such Certificate acceptable to and in form and substance
      satisfactory to the Trustee (in the event such Certificate is a Private
      Certificate, such requirement is satisfied only by the Trustee’s receipt of a
      representation letter from the transferee substantially in the form of Exhibit
      J
      or Exhibit K), to the effect that such transferee is not an employee benefit
      plan or arrangement subject to Section 406 of ERISA or a plan or arrangement
      subject to Section 4975 of the Code, nor a person acting on behalf of any such
      plan or arrangement, nor using the assets of any such plan or arrangement to
      effect such transfer, (ii) in the case of a Private Certificate (that has been
      subject to an ERISA-Qualified Underwriting) or a Residual Certificate, if the
      purchaser is an insurance company, a representation that the purchaser is an
      insurance company which is purchasing such Certificates with funds contained
      in
      an “insurance company general account” (as such term is defined in Section V(e)
      of Prohibited Transaction Class Exemption 95-60 (“PTCE 95-60”)) and that the
      purchase and holding of such Certificates are covered under Sections I and
      III
      of PTCE 95-60 or (iii) in the case of any such ERISA-Restricted Certificate
      presented for registration in the name of an employee benefit plan subject
      to
      ERISA, or a plan or arrangement subject to Section 4975 of the Code (or
      comparable provisions of any subsequent enactments), or a trustee of any such
      plan or any other person acting on behalf of any such plan or arrangement,
      or
      using such plan’s or arrangement’s assets, an Opinion of Counsel satisfactory to
      the Trustee, which Opinion of Counsel shall not be an expense of either the
      Trustee, the Depositor, the Master Servicer or the Trust Fund, addressed to
      the
      Trustee to the effect that the purchase or holding of such ERISA-Restricted
      Certificate will not result in prohibited transactions under Title I of ERISA
      and Section 4975 of the Code and will not subject the Trustee, the Depositor
      or
      the Master Servicer to any obligation in addition to those expressly undertaken
      in this Agreement or to any liability. Notwithstanding anything else to the
      contrary herein, any purported transfer of an ERISA-Restricted Certificate
      to or
      on behalf of an employee benefit plan subject to ERISA or to the Code without
      the delivery to the Trustee of an Opinion of Counsel satisfactory to the Trustee
      as described above shall be void and of no effect.

    
       

      
        
          
          

        

        
          94

          
            

          

        

        
          
          

        

      

    

     

    Each
      Holder of a Private Certificate that is a Book-Entry Certificate, by its
      acquisition thereof (or a beneficial interest therein) shall be deemed to have
      represented and warranted for the benefit of the Depositor, the Servicer, the
      Trustee and the other Certificateholders, that (a) it is not an employee benefit
      plan or arrangement that is subject to Section 406 of ERISA, or a plan or
      arrangement that is subject to Section 4975 of the Internal Revenue Code of
      1986, as amended, nor is it acting on behalf of any such plan or arrangement
      or
      using the assets of any such plan or arrangement to effect such acquisition,
      or
      (b) if it is an insurance company, in the case of Private Certificates that
      have
      been the subject of an ERISA-Qualifying Underwriting, it is purchasing the
      Private Certificates with funds contained in an “insurance company general
      account” (as defined in Section V(e) of Prohibited Transaction Class Exemption
      95-60 (“PTCE 95-60”)) and its purchase and holding of the Private Certificates
      are covered under Sections I and III of PTCE 95-60.

     

    To
      the
      extent permitted under applicable law (including, but not limited to, ERISA),
      the Trustee 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 5.2(b) 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
      Trustee in accordance with the foregoing requirements. The Trustee 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 any such
      Plan any payments made on such ERISA-Restricted Certificate at and after either
      such time. Any such payments so recovered by the Trustee shall be paid and
      delivered by the Trustee to the last preceding Holder of such Certificate that
      is not such a Plan or Person acting on behalf of a Plan. 

     

    
      
        
        

      

      
        95

        
          

        

      

      
        
        

      

    

     

    No
      transfer of an ERISA-Restricted Yield Supplement Certificate in the form of
      a
      Definitive Certificate shall be made unless the Trustee shall have received
      a
      representation letter from the transferee of such Certificate 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 Yield Supplement
      Certificate are eligible for exemptive relief under Prohibited Transaction
      Class
      Exemption (“PTCE”) 84-14, PTCE 90-1, PTCE 91-38, PTCE 95-60 or PTCE 96-23. Any
      purported transfer of an ERISA-Restricted Yield Supplement Certificate in the
      form of a Definitive Certificate on behalf of a Plan without the delivery to
      the
      Trustee of a representation letter as described above shall be void and of
      no
      effect. If the ERISA-Restricted Yield Supplement Certificate is a Book-Entry
      Certificate, the transferee will be deemed to have made a representation as
      provided in clause (i) or (ii) of this paragraph, as applicable.

     

    If
      any
      ERISA-Restricted Yield Supplement 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 Yield Supplement 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,
      Custodian, the Trustee, 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),
      the Trustee shall be under no liability to any Person for any registration
      of
      transfer of any ERISA-Restricted Yield Supplement Certificate that is in fact
      not permitted by this Section 5.2(b) 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 Trustee in accordance with the foregoing
      requirements.

     

    Notwithstanding
      the foregoing, no opinion or certificate shall be required for the initial
      issuance of any ERISA-Restricted Certificate or ERISA-Restricted Yield
      Supplement Certificate that is registered in the name of the Depository or
      its
      nominee.

     

    
      	 	
              (c)

            	
              Each
                Person who has or who acquires any Ownership Interest in a Residual
                Certificate shall be deemed by the acceptance or acquisition of such
                Ownership Interest to have agreed to be bound by the following provisions,
                and the rights of each Person acquiring any Ownership Interest in
                a
                Residual Certificate are expressly subject to the following
                provisions:

            


    

     

    
      	 	
              (i)

            	
              Each
                Person holding or acquiring any Ownership Interest in a Residual
                Certificate shall be a Permitted Transferee and shall promptly notify
                the
                Trustee of any change or impending change in its status as a Permitted
                Transferee.

            


    

     

    
      
        
        

      

      
        96

        
          

        

      

      
        
        

      

    

     

    
      	 	
              (ii)

            	
              No
                Ownership Interest in a Residual Certificate may be registered on
                the
                Closing Date or thereafter transferred, and the Trustee shall not
                register
                the Transfer of any Residual Certificate unless, in addition to the
                certificates required to be delivered to the Trustee under subparagraph
                (b) above, the Trustee shall have been furnished with an affidavit
                (a
                “Transfer Affidavit”) of the initial owner or the proposed transferee in
                the form attached hereto as Exhibit H and with a certificate of the
                proposed transferor in the form attached hereto as Exhibit
                I.

            


    

     

    
      	 	
              (iii)

            	
              Each
                Person holding or acquiring any Ownership Interest in a Residual
                Certificate shall agree (A) to obtain a Transfer Affidavit from any
                other
                Person to whom such Person attempts to Transfer its Ownership Interest
                in
                a Residual Certificate, (B) to obtain a Transfer Affidavit from any
                Person
                for whom such Person is acting as nominee, trustee or agent in connection
                with any Transfer of a Residual Certificate and (C) not to Transfer
                its
                Ownership Interest in a Residual Certificate or to cause the Transfer
                of
                an Ownership Interest in a Residual Certificate to any other Person
                if it
                has actual knowledge that such Person is not a Permitted
                Transferee.

            


    

     

    
      	 	
              (iv)

            	
              Any
                attempted or purported Transfer of any Ownership Interest in a Residual
                Certificate in violation of the provisions of this Section 5.2(c)
                shall be
                absolutely null and void and shall vest no rights in the purported
                Transferee. If any purported transferee shall become a Holder of
                a
                Residual Certificate in violation of the provisions of this Section
                5.2(c), then the last preceding Permitted Transferee shall be restored
                to
                all rights as Holder thereof retroactive to the date of registration
                of
                Transfer of such Residual Certificate. The Trustee shall be under
                no
                liability to any Person for any registration of Transfer of a Residual
                Certificate that is in fact not permitted by Section 5.2(b) and this
                Section 5.2(c) 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 after receipt of the related Transfer Affidavit, Transferor
                Certificate and, in the case of a Residual Certificate which is also
                a
                Private Certificate, either the Rule 144A Letter or the Investment
                Letter.
                The Trustee shall be entitled but not obligated to recover from any
                Holder
                of a Residual Certificate that was in fact not a Permitted Transferee
                at
                the time it became a Holder or, at such subsequent time as it became
                other
                than a Permitted Transferee, all payments made on such Residual
                Certificate at and after either such time. Any such payments so recovered
                by the Trustee shall be paid and delivered by the Trustee to the
                last
                preceding Permitted Transferee of such
                Certificate.

            


    

     

    
      
        
        

      

      
        97

        
          

        

      

      
        
        

      

    

     

    
      	 	
              (v)

            	
              The
                Depositor shall use its best efforts to make available, upon receipt of
                written request from the Trustee, all information necessary to compute
                any
                tax imposed under Section 860E(e) of the Code as a result of a Transfer
                of
                an Ownership Interest in a Residual Certificate to any Holder who
                is not a
                Permitted Transferee.

            


    

     

    The
      restrictions on Transfers of a Residual Certificate set forth in this Section
      5.2(c) shall cease to apply (and the applicable portions of the legend on a
      Residual Certificate may be deleted) with respect to Transfers occurring after
      delivery to the Trustee of an Opinion of Counsel, which Opinion of Counsel
      shall
      not be an expense of the Trust Fund, the Trustee, the Seller or the Master
      Servicer, to the effect that the elimination of such restrictions will not
      cause
      any REMIC created hereunder to fail to qualify as a REMIC at any time that
      the
      Certificates are outstanding or result in the imposition of any tax on the
      Trust
      Fund, a Certificateholder or another Person. Each Person holding or acquiring
      any Ownership Interest in a Residual Certificate hereby consents to any
      amendment of this Agreement which, based on an Opinion of Counsel furnished
      to
      the Trustee, is reasonably necessary (a) to ensure that the record ownership
      of,
      or any beneficial interest in, a Residual Certificate is not transferred,
      directly or indirectly, to a Person that is not a Permitted Transferee and
      (b)
      to provide for a means to compel the Transfer of a Residual Certificate which
      is
      held by a Person that is not a Permitted Transferee to a Holder that is a
      Permitted Transferee.

     

    
      	 	
              (d)

            	
              The
                preparation and delivery of all certificates and opinions referred
                to
                above in this Section 5.2 in connection with transfer shall be at
                the
                expense of the parties to such
                transfers.

            


    

     

    
      	 	
              (e)

            	
              Except
                as provided below, the Book-Entry Certificates shall at all times
                remain
                registered in the name of the Depository or its nominee and at all
                times:
                (i) registration of the Certificates may not be transferred by the
                Trustee
                except to another Depository; (ii) the Depository shall maintain
                book-entry records with respect to the Certificate Owners and with
                respect
                to ownership and transfers of such Book-Entry Certificates; (iii)
                ownership and transfers of registration of the Book-Entry Certificates
                on
                the books of the Depository shall be governed by applicable rules
                established by the Depository; (iv) the Depository may collect its
                usual
                and customary fees, charges and expenses from its Depository Participants;
                (v) the Trustee shall deal with the Depository, Depository Participants
                and indirect participating firms as representatives of the Certificate
                Owners of the Book-Entry Certificates for purposes of exercising
                the
                rights of holders under this Agreement, and requests and directions
                for
                and votes of such representatives shall not be deemed to be inconsistent
                if they are made with respect to different Certificate Owners; and
                (vi)
                the Trustee may rely and shall be fully protected in relying upon
                information furnished by the Depository with respect to its Depository
                Participants and furnished by the Depository Participants with respect
                to
                indirect participating firms and persons shown on the books of such
                indirect participating firms as direct or indirect Certificate
                Owners.

            


    

     

    
      
        
        

      

      
        98

        
          

        

      

      
        
        

      

    

     

    All
      transfers by Certificate Owners of Book-Entry Certificates shall be made in
      accordance with the procedures established by the Depository Participant or
      brokerage firm representing such Certificate Owner. Each Depository Participant
      shall only transfer Book-Entry Certificates of Certificate Owners it represents
      or of brokerage firms for which it acts as agent in accordance with the
      Depository’s normal procedures.

     

    If
      (x)
      (i) the Depository or the Depositor advises the Trustee in writing that the
      Depository is no longer willing or able to properly discharge its
      responsibilities as Depository, and (ii) the Trustee or the Depositor is unable
      to locate a qualified successor, (y) the Depositor at its option advises the
      Trustee in writing that it elects to terminate the book-entry system through
      the
      Depository or (z) after the occurrence of an Event of Default, Certificate
      Owners representing at least 51% of the Class Certificate Balance of the
      Book-Entry Certificates together advise the Trustee and the Depository through
      the Depository Participants in writing that the continuation of a book-entry
      system through the Depository is no longer in the best interests of the
      Certificate Owners, the Trustee shall notify all Certificate Owners, through
      the
      Depository, of the occurrence of any such event and of the availability of
      definitive, fully-registered Certificates (the “Definitive Certificates”) to
      Certificate Owners requesting the same. Upon surrender to the Trustee of the
      related Class of Certificates by the Depository, accompanied by the instructions
      from the Depository for registration, the Trustee shall issue the Definitive
      Certificates. Neither the Master Servicer, the Depositor nor the Trustee shall
      be liable for any delay in delivery of such instruction and each may
      conclusively rely on, and shall be protected in relying on, such instructions.
      The Master Servicer shall provide the Trustee with an adequate inventory of
      certificates to facilitate the issuance and transfer of Definitive Certificates.
      Upon the issuance of Definitive Certificates all references herein to
      obligations imposed upon or to be performed by the Depository shall be deemed
      to
      be imposed upon and performed by the Trustee, to the extent applicable with
      respect to such Definitive Certificates and the Trustee shall recognize the
      Holders of the Definitive Certificates as Certificateholders hereunder; provided
      that the Trustee shall not by virtue of its assumption of such obligations
      become liable to any party for any act or failure to act of the
      Depository.

     

    SECTION
      5.3 Mutilated, Destroyed, Lost or Stolen Certificates.

     

    If
      (a)
      any mutilated Certificate is surrendered to the Trustee, or the Trustee receives
      evidence to its satisfaction of the destruction, loss or theft of any
      Certificate and (b) there is delivered to the Master Servicer and the Trustee
      such security or indemnity as may be required by them to save each of them
      harmless, then, in the absence of notice to the Trustee that such Certificate
      has been acquired by a bona fide purchaser, the Trustee shall execute,
      countersign and deliver, in exchange for or in lieu of any such mutilated,
      destroyed, lost or stolen Certificate, a new Certificate of like Class, tenor
      and Percentage Interest. In connection with the issuance of any new Certificate
      under this Section 5.3, the Trustee 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 Trustee)
      connected therewith. Any replacement Certificate issued pursuant to this Section
      5.3 shall constitute complete and indefeasible evidence of ownership, as if
      originally issued, whether or not the lost, stolen or destroyed Certificate
      shall be found at any time.

     

    
      
        
        

      

      
        99

        
          

        

      

      
        
        

      

    

     

    SECTION
      5.4 Persons Deemed Owners.

     

    The
      Master Servicer, the Trustee and any agent of the Master Servicer or the Trustee
      may treat the Person in whose name any Certificate is registered as the owner
      of
      such Certificate for the purpose of receiving distributions as provided in
      this
      Agreement and for all other purposes whatsoever, and neither the Master
      Servicer, the Trustee nor any agent of the Master Servicer or the Trustee shall
      be affected by any notice to the contrary.

     

    SECTION
      5.5 Access to List of Certificateholders’ Names and Addresses.

     

    If
      three
      or more Certificateholders or Certificate Owners (a) request such information
      in
      writing from the Trustee, (b) state that such Certificateholders or Certificate
      Owners desire to communicate with other Certificateholders with respect to
      their
      rights under this Agreement or under the Certificates, and (c) provide a copy
      of
      the communication which such Certificateholders or Certificate Owners propose
      to
      transmit, or if the Depositor or Master Servicer shall request such information
      in writing from the Trustee, then the Trustee shall, within ten Business Days
      after the receipt of such request, provide the Depositor, the Master Servicer
      or
      such Certificateholders or Certificate Owners at such recipients’ expense the
      most recent list of the Certificateholders of such Trust Fund held by the
      Trustee, if any. The Depositor and every Certificateholder or Certificate Owner,
      by receiving and holding a Certificate, agree that the Trustee shall not be
      held
      accountable by reason of the disclosure of any such information as to the list
      of the Certificateholders hereunder, regardless of the source from which such
      information was derived.

     

    SECTION
      5.6 Maintenance of Office or Agency.

     

    The
      Trustee will maintain or cause to be maintained at its expense an office or
      offices or agency or agencies in New York City where Certificates may be
      surrendered for registration of transfer or exchange. The Trustee initially
      designates its Corporate Trust Office for such purposes. The Trustee will give
      prompt written notice to the Certificateholders of any change in such location
      of any such office or agency.

     

    ARTICLE
      VI

    THE
      DEPOSITOR AND THE MASTER SERVICER

     

    SECTION
      6.1 Respective Liabilities of the Depositor and the Master
      Servicer.

     

    The
      Depositor and the Master Servicer shall each be liable in accordance herewith
      only to the extent of the obligations specifically and respectively imposed
      upon
      and undertaken by them herein.

     

    SECTION
      6.2 Merger or Consolidation of the Depositor or the Master
      Servicer.

     

    The
      Depositor and the Master Servicer will each keep in full effect its existence,
      rights and franchises as a corporation under the laws of the United States
      or
      under the laws of one of the states thereof and will each obtain and preserve
      its qualification to do business as a foreign corporation in each jurisdiction
      in which such qualification is or shall be necessary to protect the validity
      and
      enforceability of this Agreement, or any of the Mortgage Loans and to perform
      its respective duties under this Agreement.

     

    
      
        
        

      

      
        100

        
          

        

      

      
        
        

      

    

     

    Any
      Person into which the Depositor or the Master Servicer may be merged or
      consolidated, or any Person resulting from any merger or consolidation to which
      the Depositor or the Master Servicer shall be a party, or any person succeeding
      to the business of the Depositor or the Master Servicer, shall be the successor
      of the Depositor or the Master Servicer, as the case may be, 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 surviving Person to the Master Servicer shall
      be
      qualified to sell mortgage loans to, and to service mortgage loans on behalf
      of,
      FNMA or FHLMC.

     

    SECTION
      6.3 Limitation on Liability of the Depositor, the Master Servicer and
      Others.

     

    None
      of
      the Depositor, the Master Servicer or any of the directors, officers, employees
      or agents of the Depositor or the Master Servicer shall be under any liability
      to 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
      Depositor, the Master Servicer or any such Person against any breach of
      representations or warranties made by it herein or protect the Depositor, the
      Master Servicer or any such Person from any liability which would otherwise
      be
      imposed by reasons of willful misfeasance, bad faith or gross negligence in
      the
      performance of duties or by reason of reckless disregard of obligations and
      duties hereunder. The Depositor, the Master Servicer and any director, officer,
      employee or agent of the Depositor or the Master Servicer 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 Depositor, the Master
      Servicer and any director, officer, employee or agent of the Depositor or the
      Master Servicer shall be indemnified by the Trust Fund and held harmless against
      any loss, liability or expense incurred in connection with any audit,
      controversy or judicial proceeding relating to a governmental taxing authority
      or any legal action relating to this Agreement or the Certificates, other than
      any loss, liability or expense related to any specific Mortgage Loan or Mortgage
      Loans (except as any such loss, liability or expense shall be otherwise
      reimbursable pursuant to this Agreement) and any loss, liability or expense
      incurred by reason of willful misfeasance, bad faith or gross negligence in
      the
      performance of duties hereunder or by reason of reckless disregard of
      obligations and duties hereunder. Neither the Depositor nor the Master Servicer
      shall be under any obligation to appear in, prosecute or defend any legal action
      that is not incidental to its respective duties hereunder and which in its
      opinion may involve it in any expense or liability; provided, however, that
      either the Depositor or the Master Servicer may in its discretion undertake
      any
      such action that it may deem necessary or desirable in respect of this Agreement
      and the rights and duties of the parties hereto and interests of the Trustee
      and
      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 Depositor and the Master Servicer shall
      be entitled to be reimbursed therefor out of the applicable subaccount of the
      Certificate Account.

     

    
      
        
        

      

      
        101

        
          

        

      

      
        
        

      

    

     

    SECTION
      6.4 Limitation on Resignation of Master Servicer.

     

    The
      Master Servicer shall not resign from the obligations and duties hereby imposed
      on it except (a) upon appointment of a successor servicer and receipt by the
      Trustee of a letter from each Rating Agency that such a resignation and
      appointment will not result in a downgrading of the rating of any of the
      Certificates, or (b) upon determination that its duties hereunder are no longer
      permissible under applicable law. Any such determination under clause (b)
      permitting the resignation of the Master Servicer shall be evidenced by an
      Opinion of Counsel to such effect delivered to the Trustee. No such resignation
      shall become effective until the Trustee or other successor master servicer
      shall have assumed the Master Servicer’s responsibilities, duties, liabilities
      and obligations hereunder.

     

    ARTICLE
      VII

    DEFAULT

     

    SECTION
      7.1 Events of Default.

     

    “Event
      of
      Default,” wherever used herein, means any one of the following
      events:

     

    
      	 	
              (i)

            	
              any
                failure by the Master Servicer to deposit in the applicable subaccount
                of
                the Certificate Account or remit to the Trustee any payment required
                to be
                made under the terms of this Agreement, which failure shall continue
                unremedied for five days after the date upon which written notice
                of such
                failure shall have been given to the Master Servicer by the Trustee
                or the
                Depositor or to the Master Servicer and the Trustee by the Holders
                of
                Certificates having not less than 25% of the Voting Rights evidenced
                by
                the Certificates; or

            


    

     

    
      	 	
              (ii)

            	
              any
                failure by the Master Servicer 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 (except with respect to failure
                related to a Limited Exchange Act Reporting Obligation), which failure
                materially affects the rights of Certificateholders, which failure
                continues unremedied for a period of 60 days after the date on which
                written notice of such failure shall have been given to the Master
                Servicer by the Trustee or the Depositor, or to the Master Servicer
                and
                the Trustee by the Holders of Certificates evidencing not less than
                25% of
                the Voting Rights evidenced by the Certificates; provided, however,
                that
                the 60-day cure period shall not apply to the initial delivery of
                the
                Mortgage File for Delay Delivery Mortgage Loans nor the failure to
                substitute or repurchase in lieu thereof;
                or

            


    

     

    
      	 	
              (iii)

            	
              a
                decree or order of a court or agency or supervisory authority having
                jurisdiction in the premises for the appointment of a 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 consecutive days;
                or

            


    

     

    
      
        
        

      

      
        102

        
          

        

      

      
        
        

      

    

     

    
      	 	
              (iv)

            	
              the
                Master Servicer shall consent to the appointment of a receiver or
                liquidator in any insolvency, readjustment of debt, marshalling of
                assets
                and liabilities or similar proceedings of or relating to the Master
                Servicer or all or substantially all of the property of the Master
                Servicer; or

            


    

     

    
      	 	
              (v)

            	
              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,
                or
                commence a voluntary case under, any applicable insolvency or
                reorganization statute, make an assignment for the benefit of its
                creditors, or voluntarily suspend payment of its obligations;
                or

            


    

     

    
      	 	
              (vi)

            	
              the
                failure of the Master Servicer to remit any Advance required to be
                remitted by the Master Servicer pursuant to Section 4.1 which failure
                continues unremedied at 11:00 a.m., Central time, on the related
                Distribution Date.

            


    

     

    If
      an
      Event of Default described in clauses (i) to (v) of this Section shall occur,
      then, and in each and every such case, so long as such Event of Default shall
      not have been remedied, the Trustee may, or at the direction of the Holders
      of
      Certificates evidencing not less than 66 2/3% of the Voting Rights evidenced
      by
      the Certificates, the Trustee shall by notice in writing to the Master Servicer
      (with a copy to each Rating Agency), terminate all of the rights and obligations
      of the Master Servicer under this Agreement and in and to the Mortgage Loans
      and
      the proceeds thereof, other than its rights as a Certificateholder hereunder.
      If
      an Event of Default described in clause (vi) of this Section shall occur, the
      Trustee shall immediately, by notice in writing to the Master Servicer (with
      a
      copy to each Rating Agency), terminate all of the rights and obligations of
      the
      Master Servicer under this Agreement and in and to the Mortgage Loans and
      proceeds thereof, other than its rights as a Certificateholder hereunder. In
      addition, if during the period that the Depositor is required to file Exchange
      Act Reports with respect to the Trust Fund, the Master Servicer shall fail
      to
      observe or perform any of the obligations set forth in Section 3.16(a) or
      Section 10.1(a)(i) and (ii), and such failure continues for the lesser of ten
      (10) calendar days or such period in which the applicable Exchange Act Report
      can be filed timely (without taking into account any extensions), so long as
      such failure shall not have been remedied, the Trustee shall, but only at the
      direction of the Depositor, terminate all of the rights and obligations of
      the
      Master Servicer under this Agreement and in and to the Mortgage Loans and the
      proceeds thereof, other than its rights as a Certificateholder hereunder. The
      Depositor shall not be entitled to terminate the rights and obligations of
      the
      Master Servicer if a failure of the Master Servicer to identify a Subcontractor
      “participating in the servicing function” within the meaning of Item 1122 of
      Regulation AB was attributable solely to the role or functions of such
      Subcontractor with respect to mortgage loans other than the Mortgage Loans.
      On
      and after the receipt by the Master Servicer of such written notice, all
      authority and power of the Master Servicer hereunder, whether with respect
      to
      the Mortgage Loans or otherwise, shall pass to and be vested in the
      Trustee or
      another successor to the Master Servicer appointed by the Trustee pursuant
      to
      Section 7.2. The Trustee, in its capacity as successor to the Master Servicer,
      shall thereupon make any Advance which the Master Servicer failed to make
      subject to Section 4.1 hereof. The Trustee is hereby authorized and empowered
      to
      execute and deliver, on behalf of the 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. Unless
      expressly provided in such written notice, no such termination shall affect
      any
      obligation of the Master Servicer to pay amounts owed pursuant to Article VIII.
      The Master Servicer agrees to cooperate with the Trustee in effecting the
      termination of the Master Servicer’s responsibilities and rights hereunder,
      including, without limitation, the transfer to the Trustee of all cash amounts
      which shall at the time be credited to the Certificate Account, or thereafter
      be
      received with respect to the Mortgage Loans. All expenses incurred in the
      transferring of the servicing duties from the Master Servicer to a Successor
      Servicer shall be paid by the Master Servicer, and if not paid by the Master
      Servicer, shall be paid from amounts on deposit in the Certificate
      Account.

     

    
      
        
        

      

      
        103

        
          

        

      

      
        
        

      

    

     

    Notwithstanding
      any termination of the activities of the Master Servicer hereunder, the Master
      Servicer shall be entitled to receive, out of any late collection of a Scheduled
      Payment on a Mortgage Loan which was due prior to the notice terminating such
      Master Servicer’s rights and obligations as Master Servicer hereunder and
      received after such notice, that portion thereof to which such Master Servicer
      would have been entitled pursuant to Sections 3.8(a)(i) through (viii),and
      any
      other amounts payable to such Master Servicer hereunder the entitlement to
      which
      arose prior to the termination of its activities hereunder. Any termination
      of
      the activities of the Master Servicer hereunder will simultaneously result
      in
      the termination of the Master Servicer’s duties as a subservicer pursuant to the
      Servicing Rights Transfer and Subservicing Agreement.

     

    If
      the
      Master Servicer is terminated, the Trustee shall provide the Depositor in
      writing and in form and substance reasonably satisfactory to the Depositor,
      all
      information reasonably requested by the Depositor in order to comply with its
      reporting obligation under Item 6.02 of Form 8-K with respect to a successor
      master servicer in the event the Trustee should succeed to the duties of the
      Master Servicer as set forth herein.

     

    SECTION
      7.2 Trustee to Act; Appointment of Successor.

     

    On
      and
      after the time the Master Servicer receives a notice of termination pursuant
      to
      Section 7.1 hereof, the Trustee shall, subject to and to the extent provided
      in
      Section 3.4, be the successor to the Master Servicer under this Agreement and
      the transactions set forth or provided for herein and shall be subject to all
      the responsibilities, duties and liabilities relating thereto placed on the
      Master Servicer by the terms and provisions hereof and applicable law including
      the obligation to make Advances pursuant to Section 4.1. As compensation
      therefor, the Trustee shall be entitled to all funds relating to the Mortgage
      Loans that the Master Servicer would have been entitled to charge to the
      Certificate Account or Distribution Account if the Master Servicer had continued
      to act hereunder. Notwithstanding the foregoing, if the Trustee has become
      the
      successor to the Master Servicer in accordance with Section 7.1 hereof, the
      Trustee may, if it shall be unwilling to so act, or shall, if it is prohibited
      by applicable law from making Advances pursuant to Section 4.1 hereof or if
      it
      is otherwise unable to so act appoint, or petition a court of competent
      jurisdiction to appoint, any established mortgage loan servicing institution
      the
      appointment of which does not adversely affect the then current rating of the
      Certificates by each Rating Agency as the successor to the Master Servicer
      hereunder in the assumption of all or any part of the responsibilities, duties
      or liabilities of the Master Servicer hereunder. Any successor to the Master
      Servicer shall be an institution which is a FNMA and FHLMC approved
      seller/servicer in good standing, which has a net worth of at least $10,000,000,
      and which is willing to service the Mortgage Loans and executes and delivers
      to
      the Depositor and the Trustee an agreement accepting such delegation and
      assignment, which contains an assumption by such Person of the rights, powers,
      duties, responsibilities, obligations and liabilities of the Master Servicer
      (other than liabilities of the Master Servicer under Section 6.3 hereof incurred
      prior to termination of the Master Servicer under Section 7.1), with like effect
      as if originally named as a party to this Agreement; and provided further that
      each Rating Agency acknowledges that its rating of the Certificates in effect
      immediately prior to such assignment and delegation will not be qualified or
      reduced, as a result of such assignment and delegation. The Trustee shall
      provide written notice to the Depositor of such successor pursuant to this
      Section. The successor to the Master Servicer shall provide to the Depositor
      in
      writing, fifteen (15) days prior to the effective date of such appointment,
      and
      in form and substance reasonably satisfactory to the Depositor, all information
      reasonably requested by the Depositor in order to comply with its reporting
      obligation under Item 6.02 of Form 8-K with respect to a replacement master
      servicer. The Trustee shall not resign as servicer until a successor servicer
      has been appointed and has accepted such appointment. Pending appointment of
      a
      successor to the Master Servicer hereunder, the Trustee, unless the Trustee
      is
      prohibited by law from so acting, shall, subject to Section 3.4 hereof, act
      in
      such capacity as provided above. In connection with such appointment and
      assumption, the Trustee 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 the
      Master Servicing Fee permitted the Master Servicer hereunder. The Trustee and
      such successor shall take such action, consistent with this Agreement, as shall
      be necessary to effectuate any such succession. Neither the Trustee 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 or any failure to perform, or any delay in
      performing, any duties or responsibilities hereunder, in either case caused
      by
      the failure of the Master Servicer to deliver or provide, or any delay in
      delivering or providing, any cash, information, documents or records to
      it.

     

    
      
        
        

      

      
        104

        
          

        

      

      
        
        

      

    

     

    Any
      successor to the Master Servicer as master servicer shall give notice to the
      Mortgagors of such change of servicer and shall, during the term of its service
      as master servicer maintain in force the policy or policies that the Master
      Servicer is required to maintain pursuant to Section 3.17.

     

    In
      connection with the termination or resignation of the Master Servicer hereunder,
      either (i) the successor Master Servicer, including the Trustee if the Trustee
      is acting as successor Master Servicer, shall represent and warrant that it
      is a
      member of MERS in good standing and shall agree to comply in all material
      respects with the rules and procedures of MERS in connection with the servicing
      of the Mortgage Loans that are registered with MERS, or (ii) the predecessor
      Master Servicer shall cooperate with the successor Master Servicer either (x)
      in
      causing MERS to execute and deliver an assignment of Mortgage in recordable
      form
      to transfer the Mortgage from MERS to the Trustee and to execute and deliver
      such other notices, documents and other instruments as may be necessary or
      desirable to effect a transfer of such Mortgage Loan or servicing of such
      mortgage Loan on the MERS® System to the successor Master Servicer or (y) in
      causing MERS to designate on the MERS® System the successor Master Servicer as
      the servicer of such Mortgage Loan. The predecessor Master Servicer shall file
      or cause to be filed any such assignment in the appropriate recording office.
      The successor Master Servicer shall cause such assignment to be delivered to
      the
      Trustee promptly upon receipt of the original with evidence of recording thereon
      or a copy certified by the public recording office in which such assignment
      was
      recorded.

     

    
      
        
        

      

      
        105

        
          

        

      

      
        
        

      

    

     

    SECTION
      7.3 Notification to Certificateholders.

     

    
      	 	
              (a)

            	
              Upon
                any termination of or appointment of a successor to the Master Servicer,
                the Trustee shall give prompt written notice thereof to Certificateholders
                and to each Rating Agency.

            


    

     

    
      	 	
              (b)

            	
              Within
                60 days after the occurrence of any Event of Default, the Trustee
                shall
                transmit by mail to all Certificateholders notice of each such Event
                of
                Default hereunder known to the Trustee, unless such Event of Default
                shall
                have been cured or waived.

            


    

     

    ARTICLE
      VIII

    CONCERNING
      THE TRUSTEE

     

    SECTION
      8.1 Duties of Trustee.

     

    The
      Trustee, prior to the occurrence of an Event of Default of which a Responsible
      Officer of the Trustee has actual knowledge and after the curing of all Events
      of Default that may have occurred, shall undertake to perform such duties and
      only such duties as are specifically set forth in this Agreement. In case an
      Event of Default of which a Responsible Officer of the Trustee has actual
      knowledge has occurred and remains uncured, the Trustee 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.

     

    The
      Trustee, upon receipt of all resolutions, certificates, statements, opinions,
      reports, documents, orders or other instruments furnished to the Trustee that
      are specifically required to be furnished pursuant to any provision of this
      Agreement shall examine them to determine whether they are in the form required
      by this Agreement; provided, however, that the Trustee shall not be responsible
      for the accuracy or content of any such resolution, certificate, statement,
      opinion, report, document, order or other instrument. If any such instrument
      is
      found not to conform in any material respect to the requirements of this
      Agreement, the Trustee shall notify the Certificateholders of such instrument
      in
      the event that the Trustee, after so requesting, does not receive a
      satisfactorily corrected instrument.

     

    The
      Trustee is hereby directed to execute and deliver to The Depository Trust
      Company the Issuer Letter of Representations dated as of the Closing Date on
      behalf of the trust created hereunder. The Depositor and the Master Servicer
      acknowledge and agree that the Trustee is executing and delivering the Issuer
      Letter of Representations on behalf of the trust created hereunder and shall
      do
      so solely in its capacity as Trustee and not in its individual
      capacity.

     

    
      
        
        

      

      
        106

        
          

        

      

      
        
        

      

    

     

    No
      provision of this Agreement shall be construed to relieve the Trustee from
      liability for its own negligent action, its own negligent failure to act or
      its
      own willful misconduct; provided, however, that:

     

    
      	 	
              (i)

            	
              unless
                an Event of Default of which a Responsible Officer of the Trustee
                has
                actual knowledge shall have occurred and be continuing, the duties
                and
                obligations of the Trustee shall be determined solely by the express
                provisions of this Agreement, the Trustee 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 Trustee and the Trustee 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 Trustee and conforming to the requirements of this Agreement
                which it
                believed in good faith to be genuine and to have been duly executed
                by the
                proper authorities respecting any matters arising
                hereunder;

            


    

     

    
      	 	
              (ii)

            	
              the
                Trustee shall not be liable for an error of judgment made in good
                faith by
                a Responsible Officer or Responsible Officers of the Trustee, unless
                it
                shall be finally proven that the Trustee was negligent in ascertaining
                the
                pertinent facts;

            


    

     

    
      	 	
              (iii)

            	
              the
                Trustee shall not 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 Holders of Certificates evidencing not less than 25% of the Voting
                Rights of Certificates relating to 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;

            


    

     

    
      	 	
              (iv)

            	
              the
                Trustee shall not be required to expend or risk its own funds or
                otherwise
                incur financial liability in 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 repayment of such funds
                or
                adequate indemnity against such risk or liability is not assured
                to it,
                and none of the provisions contained in this Agreement shall in any
                event
                require the Trustee to perform, or be responsible for the manner
                of
                performance of, any of the obligations of the Master Servicer under
                this
                Agreement except during such time, if any, as the Trustee shall be
                the
                successor to, and be vested with the rights, duties, powers and privileges
                of, the Master Servicer; and

            


    

     

    
      	 	
              (v)

            	
              without
                limiting the generality of this Section 8.1, the Trustee shall have
                no
                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 deposit or to any
                rerecording, refiling or redepositing of any thereof, (B) to see
                to any
                insurance, (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 Distribution Account (D) to
                confirm
                or verify the contents of any reports or certificates of the Servicer
                delivered to the Trustee pursuant to this Agreement believed by the
                Trustee to be genuine and to have been signed or presented by the
                proper
                party or parties.

            


    

     

    
      
        
        

      

      
        107

        
          

        

      

      
        
        

      

    

     

    SECTION
      8.2 Certain Matters Affecting the Trustee.

     

    Except
      as
      otherwise provided in Section 8.1:

     

    
      	 	
              (i)

            	
              the
                Trustee may request and rely upon and shall be protected in acting
                or
                refraining from acting upon any resolution, Officers’ Certificate,
                certificate of auditors or any other certificate, statement, instrument,
                opinion, report, notice, request, consent, order, appraisal, 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 and the Trustee shall have
                no
                responsibility to ascertain or confirm the genuineness of any signature
                of
                any such party or parties;

            


    

     

    
      	 	
              (ii)

            	
              the
                Trustee may consult with counsel, financial advisers or accountants
                and
                the advice of any such counsel, financial advisers or accountants
                and any
                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 Opinion of
                Counsel;

            


    

     

    
      	 	
              (iii)

            	
              the
                Trustee shall not be liable for any action taken, suffered or omitted
                by
                it in good faith and believed by it to be authorized or within the
                discretion or rights or powers conferred upon it by this
                Agreement;

            


    

     

    
      	 	
              (iv)

            	
              the
                Trustee shall not 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, unless requested in writing so to do by Holders
                of
                Certificates evidencing not less than 25% of the Voting Rights allocated
                to each Class of Certificates; provided, however, that if the payment
                within a reasonable time to the Trustee 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, not assured to the
                Trustee by the security afforded to it by the terms of this Agreement,
                the
                Trustee may require indemnity satisfactory to the Trustee against
                such
                cost, expense or liability as a condition to taking any such action.
                The
                reasonable expense of every such examination shall be paid by the
                Master
                Servicer or, if paid by the Trustee, shall be repaid by the Master
                Servicer upon demand from the Servicer’s own
                funds.

            


    

     

    
      
        
        

      

      
        108

        
          

        

      

      
        
        

      

    

     

    
      	 	
              (v)

            	
              the
                Trustee may execute any of the trusts or powers hereunder or perform
                any
                duties hereunder either directly or by or through agents, accountants
                or
                attorneys and the Trustee shall not be responsible for any misconduct
                or
                negligence on the part of such agent, accountant or attorney appointed
                by
                the Trustee with due care;

            


    

     

    
      	 	
              (vi)

            	
              the
                Trustee shall not be required to risk or expend its own funds or
                otherwise
                incur any financial liability in the performance of any of its duties
                or
                in the exercise of any of its rights or powers hereunder if it shall
                have
                reasonable grounds for believing that repayment of such funds or
                adequate
                indemnity against such risk or liability is not assured to
                it;

            


    

     

    
      	 	
              (vii)

            	
              the
                Trustee shall not be liable for any loss on any investment of funds
                pursuant to this Agreement (other than as issuer of the investment
                security);

            


    

     

    
      	 	
              (viii)

            	
              the
                Trustee shall not be deemed to have knowledge of an Event of Default
                until
                a Responsible Officer of the Trustee shall have received written
                notice
                thereof and in the absence of such notice, the Trustee may conclusively
                assume that there is no Event of
                Default;

            


    

     

    
      	 	
              (ix)

            	
              the
                Trustee shall be under no obligation to exercise any of the trusts,
                rights
                or powers vested in it by this Agreement or to institute, conduct
                or
                defend any litigation hereunder or in relation hereto 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 reasonable security or indemnity satisfactory
                to
                the Trustee against the costs, expenses and liabilities which may
                be
                incurred therein or thereby;

            


    

     

    
      	 	
              (x)

            	
              the
                right of the Trustee to perform any discretionary act enumerated
                in this
                Agreement shall not be construed as a duty, and the Trustee shall
                not be
                answerable for other than its negligence or willful misconduct in
                the
                performance of such act; and 

            


    

     

    
      	 	
              (xi)

            	
              the
                Trustee shall not 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
      8.3 Trustee Not Liable for Certificates or Mortgage Loans.

     

    The
      recitals contained herein and in the Certificates shall be taken as the
      statements of the Depositor and the Trustee assumes no responsibility for their
      correctness. The Trustee makes no representations as to the validity or
      sufficiency of this Agreement or of the Certificates or of any Mortgage Loan
      or
      related document or of MERS or the MERS® System other than with respect to the
      Trustee’s execution and counter-signature of the Certificates. The Trustee shall
      not be accountable for the use or application by the Depositor or the Master
      Servicer of any funds paid to the Depositor or the Master Servicer in respect
      of
      the Mortgage Loans or deposited in or withdrawn from the Certificate Account
      by
      the Depositor or the Master Servicer.

     

    
      
        
        

      

      
        109

        
          

        

      

      
        
        

      

    

     

    SECTION
      8.4 Trustee May Own Certificates.

     

    The
      Trustee in its individual or any other capacity may become the owner or pledgee
      of Certificates with the same rights as it would have if it were not the
      Trustee.

     

    SECTION
      8.5 Trustee’s Fees and Expenses.

     

    The
      Trustee, as compensation for its activities prior to making the distributions
      pursuant to Section 4.2 hereunder, shall be entitled to withdraw from the
      Distribution Account on each Distribution Date an amount equal to the Trustee
      Fee for such Distribution Date. The Trustee and any director, officer, employee
      or agent of the Trustee shall be indemnified by the Master Servicer and held
      harmless against any loss, liability or expense (including reasonable attorney’s
      fees) (i) incurred in connection with any claim or legal action relating to
      (a)
      this Agreement, (b) the Certificates or (c) in connection with the performance
      of any of the Trustee’s duties hereunder, other than any loss, liability or
      expense incurred by reason of willful misfeasance, bad faith or negligence
      in
      the performance of any of the Trustee’s duties hereunder or incurred by reason
      of any action of the Trustee taken at the direction of the Certificateholders
      and (ii) resulting from any error in any tax or information return prepared
      by
      the Master Servicer. Such indemnity shall survive the termination of this
      Agreement or the resignation or removal of the Trustee hereunder. Without
      limiting the foregoing, the Master Servicer covenants and agrees, except as
      otherwise agreed upon in writing by the Depositor and the Trustee, and except
      for any such expense, disbursement or advance as may arise from the Trustee’s
      negligence, bad faith or willful misconduct, to pay or reimburse the Trustee,
      for all reasonable expenses, disbursements and advances incurred or made by
      the
      Trustee in accordance with any of the provisions of this Agreement with respect
      to: (A) the reasonable compensation and the expenses and disbursements of its
      counsel not associated with the closing of the issuance of the Certificates,
      (B)
      the reasonable compensation, expenses and disbursements of any accountant,
      engineer or appraiser that is not regularly employed by the Trustee, to the
      extent that the Trustee must engage such persons to perform acts or services
      hereunder and (C) printing and engraving expenses in connection with preparing
      any Definitive Certificates. Except as otherwise provided herein, the Trustee
      shall not be entitled to payment or reimbursement for any routine ongoing
      expenses incurred by the Trustee in the ordinary course of its duties as
      Trustee, Registrar, Tax Matters Person or Paying Agent hereunder or for any
      other expenses.

     

    SECTION
      8.6 Eligibility Requirements for Trustee.

     

    The
      Trustee hereunder shall at all times be a corporation or association organized
      and doing business under the laws of a state or the United States of America,
      authorized under such laws to exercise corporate trust powers, having a combined
      capital and surplus of at least $50,000,000, subject to supervision or
      examination by federal or state authority and with a credit rating which would
      not cause either of the Rating Agencies to reduce their respective then current
      ratings of the Certificates (or having provided such security from time to
      time
      as is sufficient to avoid such reduction). If such corporation or 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 8.6 the combined capital and surplus of such
      corporation or association shall be deemed to be its combined capital and
      surplus as set forth in its most recent report of condition so published. In
      case at any time the Trustee shall cease to be eligible in accordance with
      the
      provisions of this Section 8.6, the Trustee shall resign immediately in the
      manner and with the effect specified in Section 8.7 hereof. The entity serving
      as Trustee may have normal banking and trust relationships with the Depositor
      and its affiliates or the Master Servicer and its affiliates; provided, however,
      that such entity cannot be an affiliate of the Master Servicer other than the
      Trustee in its role as successor to the Master Servicer.

     

    
      
        
        

      

      
        110

        
          

        

      

      
        
        

      

    

     

    SECTION
      8.7 Resignation and Removal of Trustee.

     

    The
      Trustee may at any time resign and be discharged from the trusts hereby created
      by giving written notice of resignation to the Depositor and the Master Servicer
      and each Rating Agency not less than 60 days before the date specified in such
      notice when, subject to Section 8.8, such resignation is to take effect, and
      acceptance by a successor trustee in accordance with Section 8.8 meeting the
      qualifications set forth in Section 8.6. If no successor trustee meeting such
      qualifications shall have been so appointed and have accepted appointment within
      30 days after the giving of such notice or resignation, the resigning Trustee
      may petition any court of competent jurisdiction for the appointment of a
      successor trustee.

     

    As
      a
      condition to the effectiveness of any such resignation, at least 15 calendar
      days prior to the effective date of such resignation, the Trustee shall provide
      (x) written notice to the Depositor of any successor pursuant to this Section
      and (y) in writing and in form and substance reasonably satisfactory to the
      Depositor, all information reasonably requested by the Depositor in order to
      comply with its reporting obligation under Item 6.02 of Form 8-K with respect
      to
      the resignation of the Trustee.

     

    If
      at any
      time (i) the Trustee shall cease to be eligible in accordance with the
      provisions of Section 8.6 hereof and shall fail to resign after written request
      thereto by the Depositor, (ii) the Trustee shall become incapable of acting,
      or
      shall be adjudged as bankrupt or insolvent, or a receiver of the Trustee or
      of
      its property shall be appointed, or any public officer shall take charge or
      control of the Trustee or of its property or affairs for the purpose of
      rehabilitation, conservation or liquidation, (iii)(A) a tax is imposed with
      respect to the Trust Fund by any state in which the Trustee or the Trust Fund
      is
      located, (B) the imposition of such tax would be avoided by the appointment
      of a
      different trustee and (C) the Trustee fails to indemnify the Trust Fund against
      such tax, or (iv) during the period that the Depositor is required to file
      Exchange Act Reports with respect to the Trust Fund, the Trustee fails to comply
      with its obligations under the last sentence of Section 7.1, Section 8.9 or
      Article X and such failure is not remedied within the lesser of ten (10)
      calendar days or such period in which the applicable Exchange Act Report can
      be
      filed timely (without taking into account any extensions), then, in the case
      of
      clauses (i) through (iii), then the Depositor or the Master Servicer may remove
      the Trustee and appoint a successor trustee by written instrument, in
      triplicate, one copy of which instrument shall be delivered to the Trustee,
      one
      copy of which shall be delivered to the Master Servicer and one copy to the
      successor trustee.

     

    The
      Holders of Certificates entitled to at least 51% of the Voting Rights may at
      any
      time remove the Trustee and appoint a successor trustee by written instrument
      or
      instruments, in triplicate, signed by such Holders or their attorneys-in-fact
      duly authorized, one complete set of which instruments shall be delivered by
      the
      successor Trustee to the Master Servicer, one complete set to the Trustee so
      removed and one complete set to the successor so appointed. Notice of any
      removal of the Trustee shall be given to each Rating Agency by the Successor
      Trustee.

     

    
      
        
        

      

      
        111

        
          

        

      

      
        
        

      

    

     

    Any
      resignation or removal of the Trustee and appointment of a successor trustee
      pursuant to any of the provisions of this Section 8.7 shall become effective
      upon acceptance of appointment by the successor trustee as provided in Section
      8.8 hereof.

     

    SECTION
      8.8 Successor Trustee.

     

    Any
      successor trustee appointed as provided in Section 8.7 hereof shall execute,
      acknowledge and deliver to the Depositor and to its predecessor trustee and
      the
      Master Servicer an instrument accepting such appointment hereunder and thereupon
      the resignation or removal of the predecessor trustee shall become effective
      and
      such successor trustee, without any further act, deed or conveyance, shall
      become fully vested with all the rights, powers, duties and obligations of
      its
      predecessor hereunder, with the like effect as if originally named as trustee
      herein. The Depositor, the Master Servicer and the predecessor trustee shall
      execute and deliver such instruments and do such other things as may reasonably
      be required for more fully and certainly vesting and confirming in the successor
      trustee all such rights, powers, duties, and obligations.

     

    No
      successor trustee shall accept appointment as provided in this Section 8.8
      unless at the time of such acceptance such successor trustee shall be eligible
      under the provisions of Section 8.6 hereof and its appointment shall not
      adversely affect the then current rating of the Certificates.

     

    Upon
      acceptance of appointment by a successor trustee as provided in this Section
      8.8, the Depositor shall mail notice of the succession of such trustee hereunder
      to all Holders of Certificates. If the Depositor fails to mail such notice
      within 10 days after acceptance of appointment by the successor trustee, the
      successor trustee shall cause such notice to be mailed at the expense of the
      Depositor.

     

    SECTION
      8.9 Merger or Consolidation of Trustee.

     

    Any
      corporation into which the Trustee may be merged or converted or with which
      it
      may be consolidated or any corporation resulting from any merger, conversion
      or
      consolidation to which the Trustee shall be a party, or any corporation
      succeeding to the business of the Trustee, shall be the successor of the Trustee
      hereunder, provided that such corporation shall be eligible under the provisions
      of Section 8.6 hereof without the execution or filing of any paper or further
      act on the part of any of the parties hereto, anything herein to the contrary
      notwithstanding.

     

    The
      Trustee shall provide (x) written notice to the Depositor of any successor
      due
      to merger or consolidation of the trustee pursuant to this Section within five
      (5) days of the effectiveness of such merger or consolidation and (y) in writing
      and in form and substance reasonably satisfactory to the Depositor, all
      information reasonably requested by the Depositor in order to comply with its
      reporting obligation under Item 6.02 of Form 8-K with respect to a replacement
      Trustee.


    
      
        
        

      

      
        112

        
          

        

      

      
        
        

      

    

     

    SECTION
      8.10 Appointment of Co-Trustee or Separate Trustee.

     

    Notwithstanding
      any other provisions of this Agreement, at any time, for the purpose of meeting
      any legal requirements of any jurisdiction in which any part of the Trust Fund
      or property securing any Mortgage Note may at the time be located, the Master
      Servicer and the Trustee acting jointly shall have the power and shall execute
      and deliver all instruments to appoint one or more Persons approved by the
      Trustee to act as co-trustee or co-trustees jointly with the Trustee, or
      separate trustee or separate trustees, of all or any part of the Trust Fund,
      and
      to vest in such Person or Persons, in such capacity and for the benefit of
      the
      Certificateholders, such title to the Trust Fund or any part thereof, whichever
      is applicable, and, subject to the other provisions of this Section 8.10, such
      powers, duties, obligations, rights and trusts as the Master Servicer and the
      Trustee may consider necessary or desirable. If the Master Servicer shall not
      have joined in such appointment within 15 days after the receipt by it of a
      request to do so, or in the case an Event of Default shall have occurred and
      be
      continuing, the Trustee alone shall have the power to make such appointment.
      No
      co-trustee or separate trustee hereunder shall be required to meet the terms
      of
      eligibility as a successor trustee under Section 8.6 and no notice to
      Certificateholders of the appointment of any co-trustee or separate trustee
      shall be required under Section 8.8.

     

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

     

    
      	 	
              (i)

            	
              To
                the extent necessary to effectuate the purposes of this Section 8.10,
                all
                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 or co-trustee jointly (it being
                understood that such separate trustee or co-trustee is not authorized
                to
                act separately without the Trustee joining in such act), except to
                the
                extent that under any law of any jurisdiction in which any particular
                act
                or acts are to be performed (whether as Trustee hereunder or as successor
                to the Master Servicer hereunder), 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
                applicable Trust Fund or any portion thereof in any such jurisdiction)
                shall be exercised and performed singly by such separate trustee
                or
                co-trustee, but solely at the direction of the
                Trustee;

            


    

     

    
      	 	
              (ii)

            	
              No
                trustee hereunder shall be held personally liable by reason of any
                act or
                omission of any other trustee hereunder and such appointment shall
                not,
                and shall not be deemed to, constitute any such separate trustee
                or
                co-trustee as agent of the Trustee;

            


    

     

    
      	 	
              (iii)

            	
              The
                Trustee may at any time accept the resignation of or remove any separate
                trustee or co-trustee; and

            


    

     

    
      
        
        

      

      
        113

        
          

        

      

      
        
        

      

    

     

    
      	 	
              (iv)

            	
              The
                Master Servicer, and not the Trustee, shall be liable for the payment
                of
                reasonable compensation, reimbursement and indemnification to any
                such
                separate trustee or co-trustee.

            


    

     

    Any
      notice, request or other writing given to the Trustee shall be deemed to have
      been given to each of the separate trustees and co-trustees, when and as
      effectively as if given to each of them. Every instrument appointing any
      separate trustee or co-trustee shall refer to this Agreement and the conditions
      of this Article VIII. 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 thereof given to
      the
      Master Servicer and the Depositor.

     

    Any
      separate trustee or co-trustee 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 or co-trustee 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.

     

    SECTION
      8.11 Tax Matters.

     

    It
      is
      intended that the assets with respect to which each REMIC election is to be
      made, as set forth in the preliminary statement shall constitute, and that
      the
      conduct of matters relating to such assets shall be such as to qualify such
      assets as, a “real estate mortgage investment conduit” as defined in and in
      accordance with the REMIC Provisions. In furtherance of such intention, the
      Trustee covenants and agrees that it shall act as agent (and the Trustee is
      hereby appointed to act as agent) on behalf of any such REMIC and that in such
      capacity it shall: (a) prepare and file, or cause to be prepared and filed,
      in a
      timely manner, a U.S. Real Estate Mortgage Investment Conduit Income Tax Return
      (Form 1066 or any successor form adopted by the Internal Revenue Service) and
      prepare and file or cause to be prepared and filed with the Internal Revenue
      Service and applicable state or local tax authorities income tax or information
      returns for each taxable year with respect to any such REMIC, containing such
      information and at the times and in the manner as may be required by the Code
      or
      state or local tax laws, regulations, or rules, and furnish or cause to be
      furnished to Certificateholders the schedules, statements or information at
      such
      times and in such manner as may be required thereby; (b) within thirty days
      of
      the Closing Date, furnish or cause to be furnished to the Internal Revenue
      Service, on Forms 8811 or as otherwise may be required by the Code, the name,
      title, address, and telephone number of the person that the Holders of the
      Certificates may contact for tax information relating thereto, together with
      such additional information as may be required by such Form, and update such
      information at the time or times in the manner required by the Code; (c) make
      or
      cause to be made elections that such assets be treated as a REMIC on the federal
      tax return for its first taxable year (and, if necessary, under applicable
      state
      law); (d) prepare and forward, or cause to be prepared and forwarded, to the
      Certificateholders and to the Internal Revenue Service and, if necessary, state
      tax authorities, all information returns and reports as and when required to
      be
      provided to them in accordance with the REMIC Provisions, including without
      limitation, the calculation of any original issue discount using the prepayment
      assumption; (e) provide information necessary for the computation of tax imposed
      on the transfer of a Residual Certificate to a Person that is not a Permitted
      Transferee, or an agent (including a broker, nominee or other middleman) of
      a
      Non-Permitted Transferee, or a pass-through entity in which a Non-Permitted
      Transferee is the record holder of an interest (the reasonable cost of computing
      and furnishing such information may be charged to the Person liable for such
      tax); (f) to the extent that they are under its control conduct matters relating
      to such assets at all times that any Certificates are outstanding so as to
      maintain the status as a REMIC under the REMIC Provisions; (g) not knowingly
      or
      intentionally take any action or omit to take any action that would cause the
      termination of any REMIC status; (h) pay, from the sources specified in the
      last
      paragraph of this Section 8.11, the amount of any federal or state tax,
      including prohibited transaction taxes as described below, imposed on any such
      REMIC prior to its termination when and as the same shall be due and payable
      (but such obligation shall not prevent the Trustee or any other appropriate
      Person from contesting any such tax in appropriate proceedings and shall not
      prevent the Trustee from withholding payment of such tax, if permitted by law,
      pending the outcome of such proceedings); (i) ensure that federal, state or
      local income tax or information returns shall be signed by the Trustee or such
      other person as may be required to sign such returns by the Code or state or
      local laws, regulations or rules; (j) maintain records relating to any such
      REMIC, including but not limited to the income, expenses, assets and liabilities
      thereof and the fair market value and adjusted basis of the assets determined
      at
      such intervals as may be required by the Code, as may be necessary to prepare
      the foregoing returns, schedules, statements or information; and (k) as and
      when
      necessary and appropriate, represent any such REMIC in any administrative or
      judicial proceedings relating to an examination or audit by any governmental
      taxing authority, request an administrative adjustment as to any taxable year
      of
      any such REMIC, enter into settlement agreements with any governmental taxing
      agency, extend any statute of limitations relating to any tax item of any such
      REMIC, and otherwise act on behalf of any such REMIC in relation to any tax
      matter or controversy involving it.

     

    
      
        
        

      

      
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    In
      order
      to enable the Trustee to perform its duties as set forth herein, the Depositor
      shall provide, or cause to be provided, to the Trustee within ten (10) days
      after the Closing Date all information or data that the Trustee requests in
      writing and determines to be relevant for tax purposes to the valuations and
      offering prices of the Certificates, including, without limitation, the price,
      yield, prepayment assumption and projected cash flows of the Certificates and
      the Mortgage Loans. Thereafter, the Depositor shall provide to the Trustee
      promptly upon written request therefor, any such additional information or
      data
      that the Trustee may, from time to time, reasonably request in order to enable
      the Trustee to perform its duties as set forth herein. The Depositor hereby
      indemnifies the Trustee for any losses, liabilities, damages, claims or expenses
      of the Trustee arising from any errors or miscalculations of the Trustee that
      result from any failure of the Depositor to provide, or to cause to be provided,
      accurate information or data to the Trustee on a timely basis.

     

    In
      the
      event that any tax is imposed on “prohibited transactions” of any REMIC as
      defined in Section 860F(a)(2) of the Code, on the “net income from foreclosure
      property” of any REMIC as defined in Section 860G(c) of the Code, on any
      contribution to any REMIC after the Startup Day pursuant to Section 860G(d)
      of
      the Code, or any other tax is imposed, if not paid as otherwise provided for
      herein, such tax shall be paid by (i) the Trustee, if any such other tax arises
      out of or results from a breach by the Trustee of any of its obligations under
      this Agreement which breach was caused by its negligence or willful misconduct,
      (ii) the Master Servicer, in the case of any such minimum tax, or if such tax
      arises out of or results from a breach by the Master Servicer of any of their
      obligations under this Agreement, (iii) the Seller, if any such tax arises
      out
      of or results from the Seller’s obligation to repurchase a Mortgage Loan
      pursuant to Section 2.2 or 2.3 or (iv) in all other cases, or in the event
      that
      the Trustee, the Master Servicer or the Seller fails to honor its obligations
      under the preceding clauses (i), (ii) or (iii), any such tax will be paid with
      amounts otherwise to be distributed to the Certificateholders, as provided
      in
      Section 3.8(b).

     

    
      
        
        

      

      
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    Each
      Class I-A-1 Certificate shall be treated as representing not only ownership
      of a
      regular interest in the Upper Tier REMIC, but also ownership of an interest
      in
      the Corridor Contract. For tax purposes, as of the Closing Date, the Class
      I-A-1
      Corridor Contract shall be deemed to have a value of $395,000.

     

    ARTICLE
      IX

    TERMINATION

     

    SECTION
      9.1 Termination upon Liquidation or Purchase of all Mortgage Loans.

     

    Subject
      to Section 9.3, the obligations and responsibilities of the Depositor, the
      Master Servicer and the Trustee created hereby with respect to the Trust Fund
      shall terminate upon the earlier of (a) the purchase by the Master Servicer
      of
      all Mortgage Loans (and REO Properties) remaining in the Trust Fund at the
      price
      equal to the sum of (i) 100% of the Stated Principal Balance of each Mortgage
      Loan (other than a Mortgage Loan that has been foreclosed and subject to clause
      (ii)) plus one month’s accrued interest thereon at the applicable Adjusted
      Mortgage Rate, (ii) the lesser of (x) the appraised value of any REO Property
      as
      determined by the higher of two appraisals completed by two independent
      appraisers selected by the Master Servicer at the expense of the Master Servicer
      and (y) the Stated Principal Balance of each Mortgage Loan related to any REO
      Property, plus accrued and unpaid interest thereon at the applicable Adjusted
      Mortgage Rate, and (iii) any costs and damages incurred by the Trust in
      connection with the noncompliance of such Mortgage Loan with any specifically
      applicable predatory or abusive lending law, and (b) the later of (i) the
      maturity or other liquidation (or any Advance with respect thereto) of the
      last
      Mortgage Loan remaining in the Trust Fund and the disposition of all REO
      Property and (ii) the distribution to Certificateholders of all amounts required
      to be distributed to them pursuant to this Agreement. In no event shall the
      trusts created hereby continue beyond the earlier of (i) the expiration of
      21
      years from the death of the 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, and (ii) the Latest Possible Maturity Date. The right to
      purchase all Mortgage Loans and REO Properties pursuant to clause (a) above
      shall be conditioned upon the aggregate of the Pool Principal Balances of both
      Mortgage Pools, at the time of any such repurchase, being less than ten percent
      (10%) of the aggregate Cut-off Date Pool Principal Balance of both Mortgage
      Pools. The Master Servicer will deposit the funds for such purchase into the
      Certificate Account pursuant to Section 3.5(b)(viii).

     

    
      
        
        

      

      
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    SECTION
      9.2 Final Distribution on the Certificates.

     

    If
      on any
      Determination Date, the Master Servicer determines that there are no Outstanding
      Mortgage Loans and no other funds or assets in the Trust Fund other than the
      funds in the Certificate Account, the Master Servicer shall direct the Trustee
      promptly to send a final distribution notice to each Certificateholder. If
      the
      Master Servicer elects to terminate the Trust Fund pursuant to clause (a) of
      Section 9.1, at least 20 days prior to the date notice is to be mailed to the
      affected Certificateholders, the Master Servicer shall notify the Depositor
      and
      the Trustee of the date the Master Servicer intends to terminate the Trust
      Fund
      and of the applicable repurchase price of the Mortgage Loans and REO
      Properties.

     

    Notice
      of
      any termination of the Trust Fund, specifying the Distribution Date on which
      Certificateholders may surrender their Certificates for payment of the final
      distribution and cancellation, shall be given promptly by the Trustee by letter
      to Certificateholders mailed not earlier than the 10th day and no later than
      the
      15th day of the month next preceding the month of such final distribution.
      Any
      such notice shall specify (a) the Distribution Date upon which final
      distribution on the Certificates will be made upon presentation and surrender
      of
      Certificates at the office therein designated, (b) the amount of such final
      distribution, (c) the location of the office or agency at which such
      presentation and surrender must be made, and (d) that the Record Date otherwise
      applicable to such Distribution Date is not applicable, distributions being
      made
      only upon presentation and surrender of the Certificates at the office therein
      specified. The Master Servicer will give such notice to each Rating Agency
      at
      the time such notice is given to Certificateholders.

     

    In
      the
      event such notice is given, the Master Servicer shall cause all funds in the
      Certificate Account to be remitted to the Trustee for deposit in the applicable
      subaccounts of the Distribution Account on the Business Day prior to the
      applicable Distribution Date in an amount equal to the final distribution in
      respect of the Certificates. Upon such final deposit with respect to the Trust
      Fund and the receipt by the Trustee of a Request for Release therefor, the
      Trustee shall promptly release to the Master Servicer the Mortgage Files for
      the
      Mortgage Loans.

     

    Upon
      presentation and surrender of the Certificates, the Trustee shall cause to
      be
      distributed to the Certificateholders of each Class, in the order set forth
      in
      Section 4.2 hereof, on the final Distribution Date, in the case of the
      Certificateholders, in proportion to their respective Percentage Interests,
      with
      respect to Certificateholders of the same Class, an amount equal to (i) as
      to
      each Class of Regular Certificates, the Class Certificate Balance thereof plus
      accrued interest thereon in the case of an interest bearing Certificate, and
      (ii) as to the Residual Certificates, the amount, if any, which remains on
      deposit in the Distribution Account (other than the amounts retained to meet
      claims) after application pursuant to clause (i) above. 

     

    In
      the
      event that any affected Certificateholders shall not surrender Certificates
      for
      cancellation within six months after the date specified in the above mentioned
      written notice, the Trustee shall give a second written notice to the remaining
      Certificateholders to surrender their Certificates for cancellation and receive
      the final distribution with respect thereto. If within six months after the
      second notice all the applicable Certificates shall not have been surrendered
      for cancellation, the Trustee may take appropriate steps, or may appoint an
      agent to take appropriate steps, to contact the remaining Certificateholders
      concerning surrender of their Certificates, and the cost thereof shall be paid
      out of the funds and other assets which remain a part of the Trust Fund. If
      within one year after the second notice all Certificates shall not have been
      surrendered for cancellation, the Holders of each of the Class I-A-R
      Certificates shall be entitled to all unclaimed funds and other assets of the
      Trust Fund, held for distribution to such Certificateholders, which remain
      subject hereto.

     

    
      
        
        

      

      
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    SECTION
      9.3 Additional Termination Requirements.

     

    
      	 	
              (a)

            	
              In
                the event the Master Servicer exercises its purchase option as provided
                in
                Section 9.1, the Trust Fund and each REMIC created hereunder shall
                be
                terminated in accordance with the following additional requirements,
                unless the Trustee has been supplied with an Opinion of Counsel,
                at the
                expense of the Master Servicer, to the effect that the failure to
                comply
                with the requirements of this Section 9.3 will not (i) result in
                the
                imposition of taxes on “prohibited transactions” on any REMIC as defined
                in Section 860F of the Code, or (ii) cause any REMIC to fail to qualify
                as
                a REMIC at any time that any Certificates are
                outstanding:

            


    

     

    
      	 	
              (i)

            	
              Within
                90 days prior to the final Distribution Date set forth in the notice
                given
                by the Master Servicer under Section 9.2, the Master Servicer shall
                prepare and the Trustee, at the expense of the “tax matters person,” shall
                adopt a plan of complete liquidation within the meaning of Section
                860F(a)(4) of the Code for each REMIC created hereunder which, as
                evidenced by an Opinion of Counsel addressed to the Trustee (which
                opinion
                shall not be an expense of the Trustee or the Tax Matters Person),
                meets
                the requirements of a qualified liquidation;
                and

            


    

     

    
      	 	
              (ii)

            	
              Within
                90 days after the time of adoption of such plans of complete liquidation,
                the Trustee shall sell all of the assets of the Trust Fund to the
                Master
                Servicer for cash in accordance with Section
                9.1.

            


    

     

    
      	 	
              (b)

            	
              The
                Trustee as agent for any REMIC established hereunder hereby agrees
                to
                adopt and sign such a plan of complete liquidation upon the written
                request of the Master Servicer, and the receipt of the Opinion of
                Counsel
                referred to in Section 9.3(a)(1) and to take such other action in
                connection therewith as may be reasonably requested by the Master
                Servicer.

            


    

     

    
      	 	
              (c)

            	
              By
                their acceptance of the Certificates, the Holders thereof hereby
                authorize
                the Master Servicer to prepare and the Trustee to adopt and sign
                plans of
                complete liquidation.

            


    

     

    
      
        
        

      

      
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    ARTICLE
      X

    EXCHANGE
      ACT REPORTING

     

    SECTION
      10.1 Filing Obligations.

     

    The
      Master Servicer, the Trustee and the Seller shall reasonably cooperate with
      the
      Depositor in connection with the satisfaction of the Depositor’s reporting
      requirements under the Exchange Act with respect to the Trust Fund. In addition
      to the information specified below, if so requested by the Depositor for the
      purpose of satisfying its reporting obligation under the Exchange Act, the
      Master Servicer, the Trustee and the Seller shall (and the Master Servicer
      shall
      cause each Subservicer to) provide the Depositor with (a) such information
      which
      is available to such Person without unreasonable effort or expense and within
      such timeframe as may be reasonably requested by the Depositor to comply with
      the Depositor’s reporting obligations under the Exchange Act and (b) to the
      extent such Person is a party (and the Depositor is not a party) to any
      agreement or amendment requested of it by the Depositor and required to be
      filed, copies of such agreement or amendment in EDGAR-compatible
      form.

     

    SECTION
      10.2 Form 10-D Filings.

     

    (a) Although
      the Depositor is responsible under Regulation AB for filing the Form 10-D,
      the
      Trustee hereby agrees it shall prepare for filing and file within fifteen days
      after each Distribution Date (subject to permitted extensions under the Exchange
      Act) with the SEC with respect to the Trust Fund, a Form 10-D with copies of
      the
      Monthly Report and, to the extent delivered to the Trustee, no later than ten
      days following the Distribution Date, such other information identified by
      the
      Depositor or the Master Servicer, in writing, to be filed with the SEC (such
      other information, the “Additional Designated Information”). If the Depositor or
      Master Servicer directs that any Additional Designated Information is to be
      filed with any Form 10-D, the Depositor or Master Servicer, as the case may
      be,
      shall specify the Item on Form 10-D to which such information is responsive
      and,
      with respect to any Exhibit to be filed on Form 10-D, the Exhibit number. Any
      information to be filed on Form 10-D shall be delivered to the Trustee in
      EDGAR-compatible form or as otherwise agreed upon by the Trustee and the
      Depositor or the Master Servicer, as the case may be, at the Depositor’s
      expense, and any necessary conversion to EDGAR-compatible format will be at
      the
      Depositor’s expense. At the reasonable request of, and in accordance with the
      reasonable directions of, the Depositor or the Master Servicer, subject to
      the
      two preceding sentences, the Trustee shall prepare for filing and file an
      amendment to any Form 10-D previously filed with the SEC with respect to the
      Trust Fund. The Master Servicer shall sign the Form 10-D filed on behalf of
      the
      Trust Fund.

     

    (b) No
      later
      than each Distribution Date, each of the Master Servicer and the Trustee shall
      notify (and the Master Servicer shall cause any Subservicer to notify) the
      Depositor and the Master Servicer of any Form 10-D Disclosure Item relating
      to
      it, together with a description of any such Form 10-D Disclosure Item in form
      and substance reasonably acceptable to the Depositor. In addition to such
      information as the Master Servicer and the Trustee are obligated to provide
      pursuant to other provisions of this Agreement, if so requested by the
      Depositor, each of the Master Servicer and the Trustee shall provide such
      information which is available to the Master Servicer and the Trustee, as
      applicable, without unreasonable effort or expense regarding the performance
      or
      servicing of the Mortgage Loans (in the case of the Trustee, based on the
      information provided by the Master Servicer) as is reasonably required of the
      Depositor to facilitate preparation of distribution reports in accordance with
      Item 1121 of Regulation AB. Such information shall be provided concurrently
      with
      the delivering of the reports specified in Section 4.6 in the case of the Master
      Servicer and the Monthly Statement in the case of the Trustee, commencing with
      the first such report due not less than five (5) Business Days following such
      request.

     

    
      
        
        

      

      
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    (c) The
      Trustee shall not have any responsibility to file any items (other than those
      generated by it) that have not been received in a format suitable (or readily
      convertible into a format suitable) for electronic filing via the EDGAR system
      and shall not have any responsibility to convert any such items to such format
      (other than those items generated by it or that are readily convertible to
      such
      format). The Trustee shall have no liability to the Certificateholders, the
      Trust Fund, the Master Servicer or the Depositor with respect to any failure
      to
      properly prepare or file any of Form 10-D to the extent that such failure is
      not
      the result of any negligence, bad faith or willful misconduct on its part.
      For
      avoidance of doubt, the Trustee shall have no liability whatsoever under the
      Securities Act or the Exchange Act

     

    SECTION
      10.3 Form 8-K Filings.

     

    The
      Master Servicer shall prepare and file on behalf of the Trust Fund any Form
      8-K
      required by the Exchange Act. Each Form 8-K must be signed by the Master
      Servicer. Each of the Trustee and the Master Servicer shall (and the Master
      Servicer shall cause any Subservicer to), promptly notify the Depositor and
      the
      Master Servicer (if the notifying party is not the Master Servicer), but in
      no
      event later than one (1) Business Day after its occurrence, of any Reportable
      Event related to it, of which it has actual knowledge. The Master Servicer
      shall
      notify the Depositor if any material pool characteristic of the actual asset
      pool at the time of issuance of the Certificates differs by five percent or
      more
      (other than as a result of the pool assets converting into cash in accordance
      with their terms) from the description of the asset pool in the Prospectus
      Supplement.

     

    SECTION
      10.4 Form 10-K Filings.

     

    Prior
      to
      March 30th
      of each
      year, commencing in 2007 (or such earlier date as may be required by the
      Exchange Act), the Depositor shall prepare and file on behalf of the Trust
      Fund
      a Form 10-K, in form and substance as required by the Exchange Act. A senior
      officer in charge of the servicing function of the Master Servicer shall sign
      each Form 10-K filed on behalf of the Trust Fund. Such Form 10-K shall include
      as exhibits each (i) annual compliance statement described under Section
      3.16(a), (ii) annual report on assessments of compliance with servicing criteria
      described under Section 10.7 and (iii) accountant’s report described under
      Section 10.7. Each Form 10-K shall also include any Sarbanes-Oxley Certification
      required to be included therewith, as described in Section 10.5.

     

    
      
        
        

      

      
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    If
      the
      Item 1119 Parties listed on Exhibit P have changed since the Closing Date,
      no
      later than March 1st
      of each
      year, the Depositor shall provide each of the Master Servicer (and the Master
      Servicer shall provide any Subservicer) and the Trustee with an updated Exhibit
      P setting forth the Item 1119 Parties. No later than March 15th
      of each
      year, commencing in 2007, the Master Servicer and the Trustee shall notify
      (and
      the Master Servicer shall cause any Subservicer to notify) the Depositor of
      any
      Form 10-K Disclosure Item related to it, together with a description of any
      such
      Form 10-K Disclosure Item in form and substance reasonably acceptable to the
      Depositor. Additionally, each of the Master Servicer and the Trustee shall
      provide to the Depositor, and shall cause each Reporting Subcontractor retained
      by the Master Servicer or the Trustee, as applicable, and in the case of the
      Master Servicer shall cause each Subservicer that is a Reporting Subcontractor,
      to provide to the Depositor, the following information no later than March
      15th
      of each
      year in which a Form 10-K is required to be filed on behalf of the Trust Fund:
      (i) if such Person’s report on assessment of compliance with servicing criteria
      described under Section 10.7 or related registered public accounting firm
      attestation report described under Section 10.7 identifies any material instance
      of noncompliance, notification of such instance of noncompliance and (ii) if
      any
      such Person’s report on assessment of compliance with servicing criteria or
      related registered public accounting firm attestation report is not provided
      to
      be filed as an exhibit to such Form 10-K, information detailing the explanation
      why such report is not included.

     

    SECTION
      10.5 Sarbanes-Oxley Certification.

     

    Each
      Form
      10-K shall include a certification (the “Sarbanes-Oxley Certification”) required
      by Rules 13a-14(d) and 15d-14(d) under the Exchange Act (pursuant to Section
      302
      of the Sarbanes-Oxley Act of 2002 and the rules and regulations of the SEC
      promulgated thereunder (including any interpretations thereof by the SEC’s
      staff)). No later than March 15th of each year in which a Form 10-K is required
      to be filed on behalf of the Trust Fund, beginning in 2007, the Master Servicer
      (unless such Person is the Certifying Person) and the Trustee shall, and the
      Master Servicer shall cause each Subservicer to, provide to the Person who
      signs
      the Sarbanes-Oxley Certification (the “Certifying Person”) a certification
      (each, a “Performance Certification”), substantially in the form attached hereto
      as Exhibit N-1 (in the case of a Subservicer) and Exhibit N-2 (in the case
      of
      the Trustee), unless such other form is mutually agreed upon, on 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 in charge of the servicing function of the Master Servicer shall serve
      as the Certifying Person on behalf of the Trust Fund. Neither the Master
      Servicer nor the Depositor will request delivery of a certification under this
      clause unless the Depositor is required under the Exchange Act to file an annual
      report on Form 10-K with respect to the Trust Fund. In the event that prior
      to
      the filing date of the Form 10-K in March of each year, a Responsible Officer
      of
      the Trustee or the Depositor has actual knowledge of information material to
      the
      Sarbanes-Oxley Certification, the Trustee or the Depositor, as the case may
      be,
      shall promptly notify the Master Servicer and the Depositor. The respective
      parties hereto agree to cooperate with all reasonable requests made by any
      Certifying Person or Certification Party in connection with such Person’s
      attempt to conduct any due diligence that such Person reasonably believes to
      be
      appropriate in order to allow it to deliver any Sarbanes-Oxley Certification
      or
      portion thereof with respect to the Trust Fund.

     

    
      
        
        

      

      
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    SECTION
      10.6 Form 15 Filing.

     

    Prior
      to
      January 31st
      of the
      first year in which the Depositor is able to do so under applicable law, the
      Depositor shall file a Form 15 relating to the automatic suspension of reporting
      in respect of the Trust Fund under the Exchange Act.

     

    SECTION
      10.7 Report on Assessment of Compliance and Attestation.

     

    (a) On
      or
      before March 15th
      of each
      calendar year in which a Form 10-K is required to be filed on behalf of the
      Trust Fund, commencing in 2007:

     

    (i) Each
      of
      the Master Servicer and the Trustee shall deliver to the Depositor and the
      Master Servicer a report (in form and substance reasonably satisfactory to
      the
      Depositor) regarding the Master Servicer’s or the Trustee’s, as applicable,
      assessment of compliance with the Servicing Criteria during the immediately
      preceding calendar year, as required under Rules 13a-18 and 15d-18 of the
      Exchange Act and Item 1122 of Regulation AB. Such report shall be signed by
      an
      authorized officer of such Person and shall address each of the Servicing
      Criteria specified on a certification substantially in the form of Exhibit
      O
      hereto, unless such other form is mutually agreed upon and delivered to the
      Depositor concurrently with the execution of this Agreement. To the extent
      any
      of the Servicing Criteria are not applicable to such Person, with respect to
      asset-backed securities transactions taken as a whole involving such Person
      and
      that are backed by the same asset type backing the Certificates, such report
      shall include such a statement to that effect. The Depositor and the Master
      Servicer, and each of their respective officers and directors shall be entitled
      to rely upon each such servicing criteria assessment.

     

    (ii) Each
      of
      the Master Servicer and the Trustee shall deliver to the Depositor and the
      Master Servicer a report of a registered public accounting firm reasonably
      acceptable to the Depositor that attests to, and reports on, the assessment
      of
      compliance made by Master Servicer or the Trustee, as applicable, and delivered
      pursuant to the preceding paragraphs. Such attestation shall be in accordance
      with Rules 1-02(a)(3) and 2-02(g) of Regulation S-X under the Securities Act
      and
      the Exchange Act, including, without limitation that 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. To the extent any of the Servicing Criteria are not applicable to
      such
      Person, with respect to asset-backed securities transactions taken as a whole
      involving such Person and that are backed by the same asset type backing the
      Certificates, such report shall include such a statement that that
      effect.

     

    (iii) The
      Master Servicer shall cause each Subservicer that is a Reporting Subcontractor
      engaged by it to deliver to the Depositor an assessment of compliance and
      accountants’ attestation as and when provided in paragraphs (a) and (b) of this
      Section 10.7.

     

    
      
        
        

      

      
        122

        
          

        

      

      
        
        

      

    

     

    (iv) The
      Trustee shall cause each Reporting Subcontractor engaged by it to deliver to
      the
      Depositor and the Master Servicer an assessment of compliance and accountants’
attestation as and when provided in paragraphs (a) and (b) of this
      Section.

     

    (b) Each
      assessment of compliance provided by a Subservicer pursuant to Section
      10.7(a)(iii) shall address each of the Servicing Criteria specified on a
      certification substantially in the form of Exhibit O hereto delivered to the
      Depositor concurrently with the execution of this Agreement or, in the case
      of a
      Subservicer subsequently appointed as such, on or prior to the date of such
      appointment. An assessment of compliance provided by a Subcontractor pursuant
      to
      Section 10.7(a)(iii) or (iv) need not address any elements of the Servicing
      Criteria other than those specified by the Master Servicer or the Trustee,
      as
      applicable, pursuant to Section 10.7(a)(i).

     

    SECTION
      10.8 Use of Subservicers and Subcontractors.

     

    (a) The
      Master Servicer shall cause any Subservicer that is a Reporting Subcontractor
      used by the Master Servicer (or by any Subservicer) for the benefit of the
      Depositor to comply with the provisions of Section 3.16 and this Article X
      to
      the same extent as if such Subservicer were the Master Servicer (except with
      respect to the Master Servicer’s duties with respect to preparing and filing any
      Exchange Act Reports or as the Certifying Person). The Master Servicer shall
      be
      responsible for obtaining from each Subservicer that is a Reporting
      Subcontractor and delivering to the Depositor any servicer compliance statement
      required to be delivered by such Subservicer under Section 3.16, any assessment
      of compliance and attestation required to be delivered by such Subservicer
      under
      Section 10.7 and any certification required to be delivered to the Certifying
      Person under Section 10.5 as and when required to be delivered. As a condition
      to the succession to any Subservicer as subservicer under this Agreement by
      any
      Person (i) into which such Subservicer may be merged or consolidated, or (ii)
      which may be appointed as a successor to any Subservicer, the Master Servicer
      shall provide to the Depositor, at least fifteen (15) calendar days prior to
      the
      effective date of such succession or appointment, (x) written notice to the
      Depositor of such succession or appointment and (y) in writing and in form
      and
      substance reasonably satisfactory to the Depositor, all information reasonably
      requested by the Depositor in order to comply with its reporting obligation
      under Item 6.2 of Form 8-K.

     

    (b) It
      shall
      not be necessary for the Master Servicer or any Subservicer to seek the consent
      of the Depositor or any other party hereto to the utilization of any
      Subcontractor. The Master Servicer shall promptly upon request provide to the
      Depositor (or any designee of the Depositor, such as the Master Servicer or
      administrator) a written description (in form and substance satisfactory to
      the
      Depositor) of the role and function of each Subcontractor utilized by such
      Person (or in the case of the Master Servicer or any Subservicer), specifying
      (i) the identity of each such Subcontractor, (ii) which (if any) of such
      Subcontractors are “participating in the servicing function” within the meaning
      of Item 1122 of Regulation AB, and (iii) which elements of the Servicing
      Criteria will be addressed in assessments of compliance provided by each
      Subcontractor, who is a Reporting Subcontractor, identified pursuant to clause
      (ii) of this paragraph.

    


    
      
        
        

      

      
        123

        
          

        

      

      
        
        

      

    

     

    As
      a
      condition to the utilization of any Subcontractor determined to be a Reporting
      Subcontractor, the Master Servicer shall cause any such Subcontractor used
      by
      such Person (or in the case of the Master Servicer or any Subservicer) for
      the
      benefit of the Depositor to comply with the provisions of Sections 10.7 and
      10.9
      of this Agreement to the same extent as if such Subcontractor were the Master
      Servicer (except with respect to the Master Servicer’s duties with respect to
      preparing and filing any Exchange Act Reports or as the Certifying Person).
      The
      Master Servicer shall be responsible for obtaining from each Subcontractor
      and
      delivering to the Depositor and the Master Servicer, any assessment of
      compliance and attestation required to be delivered by such Subcontractor under
      Section 10.7, in each case as and when required to be delivered.

     

    SECTION
      10.9 Amendments.

     

    In
      the
      event the parties to this Agreement desire to further clarify or amend any
      provision of this Article X, this Agreement shall be amended to reflect the
      new
      agreement between the parties covering matters in this Article X pursuant to
      Section 11.1, which amendment shall not require any Opinion of Counsel or Rating
      Agency confirmations or the consent of any Certificateholder. If, during the
      period that the Depositor is required to file Exchange Act Reports with respect
      to the Trust Fund, the Master Servicer is no longer an Affiliate of the
      Depositor, the Depositor shall assume the obligations and responsibilities
      of
      the Master Servicer in this Article X with respect to the preparation and filing
      of the Exchange Act Reports and/or acting as the Certifying Person, if the
      Depositor has received indemnity from such successor Master Servicer
      satisfactory to the Depositor, and such Master Servicer has agreed to provide
      a
      Sarbanes-Oxley Certification to the Depositor substantially in the form of
      Exhibit Q.


     

    ARTICLE
      XI

    MISCELLANEOUS
      PROVISIONS

     

    SECTION
      11.1 Amendment.

     

    This
      Agreement may be amended from time to time by the Depositor, the Master Servicer
      and the Trustee without the consent of any of the Certificateholders (i) to
      cure
      any ambiguity or mistake, (ii) to correct any defective provision herein or
      to
      supplement any provision herein which may be inconsistent with any other
      provision herein, (iii) to add to the duties of the Depositor, the Seller or
      the
      Master Servicer, (iv) to add any other provisions with respect to matters or
      questions arising hereunder or (v) to modify, alter, amend, add to or rescind
      any of the terms or provisions contained in this Agreement; provided that any
      action pursuant to clauses (iv) or (v) above shall not, as evidenced by an
      Opinion of Counsel delivered to the Trustee (which Opinion of Counsel shall
      not
      be an expense of the Trustee or the Trust Fund), adversely affect in any
      material respect the interests of any Certificateholder; provided, however,
      that
      the amendment shall not be deemed to adversely affect in any material respect
      the interests of the Certificateholders if the Person requesting the amendment
      obtains a letter from each Rating Agency stating that the amendment would not
      result in the downgrading or withdrawal of the respective ratings then assigned
      to the Certificates; it being understood and agreed that any such letter in
      and
      of itself will not represent a determination as to the materiality of any such
      amendment and will represent a determination only as to the credit issues
      affecting any such rating. The Trustee, the Depositor and the Master Servicer
      also may at any time and from time to time amend this Agreement without the
      consent of the Certificateholders to modify, eliminate or add to any of its
      provisions to such extent as shall be necessary or helpful to (i) maintain
      the
      qualification of any REMIC established hereunder as a REMIC under the Code,
      (ii)
      avoid or minimize the risk of the imposition of any tax on any REMIC established
      hereunder pursuant to the Code that would be a claim at any time prior to the
      final redemption of the Certificates or (iii) comply with any other requirements
      of the Code, provided that the Trustee has been provided an Opinion of Counsel,
      which opinion shall be an expense of the party requesting such opinion but
      in
      any case shall not be an expense of the Trustee or the Trust Fund, to the effect
      that such action is necessary or helpful to, as applicable, (i) maintain such
      qualification, (ii) avoid or minimize the risk of the imposition of such a
      tax
      or (iii) comply with any such requirements of the Code.

     

    
      
        
        

      

      
        124

        
          

        

      

      
        
        

      

    

     

    This
      Agreement may also be amended from time to time by the Depositor, the Master
      Servicer and the Trustee with the consent of the Holders of a Majority in
      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 of Certificates; provided, however, that no such amendment shall (i)
      reduce in any manner the amount of, or delay the timing of, payments required
      to
      be distributed on any Certificate without the consent of the Holder of such
      Certificate, (ii) adversely affect in any material respect the interests of
      the
      Holders of any Class of Certificates in a manner other than as described in
      (i),
      without the consent of the Holders of Certificates of such Class evidencing,
      as
      to such Class, Percentage Interests aggregating 66%, or (iii) reduce the
      aforesaid percentages of Certificates the Holders of which are required to
      consent to any such amendment, without the consent of the Holders of all such
      Certificates then outstanding. In addition, the permitted activities of the
      Trust under this Agreement cannot be significantly modified without the approval
      of Holders of Certificates evidencing a Majority in Interest.

     

    Notwithstanding
      any contrary provision of this Agreement, the Trustee shall not consent to
      any
      amendment to this Agreement unless it shall have first received an Opinion
      of
      Counsel, which opinion shall not be an expense of the Trustee or the Trust
      Fund,
      to the effect that such amendment will not cause the imposition of any tax
      on
      any REMIC established hereunder or the Certificateholders or cause any REMIC
      established hereunder to fail to qualify as a REMIC at any time that any
      Certificates are outstanding.

     

    Promptly
      after the execution of any amendment to this Agreement requiring the consent
      of
      Certificateholders, the Trustee shall furnish written notification of the
      substance or a copy of such amendment to each Certificateholder and each Rating
      Agency.

     

    It
      shall
      not be necessary for the consent of Certificateholders under this Section 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 Certificateholders shall be subject to such reasonable regulations
      as
      the Trustee may prescribe.

     

    
      
        
        

      

      
        125

        
          

        

      

      
        
        

      

    

     

    Nothing
      in this Agreement shall require the Trustee to enter into an amendment without
      receiving an Opinion of Counsel (which Opinion shall not be an expense of the
      Trustee or the Trust Fund), satisfactory to the Trustee that (i) such amendment
      is permitted and is not prohibited by this Agreement and that all requirements
      for amending this Agreement have been complied with; and (ii) either (A) the
      amendment does not adversely affect in any material respect the interests of
      any
      Certificateholder or (B) the conclusion set forth in the immediately preceding
      clause (A) is not required to be reached pursuant to this Section
      11.1.

     

    SECTION
      11.2 Recordation of Agreement; Counterparts.

     

    This
      Agreement is subject to recordation in all appropriate public offices for real
      property records in all the counties or other comparable jurisdictions in which
      any or all of the properties subject to the Mortgages are situated, and in
      any
      other appropriate public recording office or elsewhere, such recordation to
      be
      effected by the Master Servicer at its expense, but only upon direction a
      majority of the Certificateholders to the effect that such recordation
      materially and beneficially affects the interests of the
      Certificateholders.

     

    For
      the
      purpose of facilitating the recordation of this Agreement as herein provided
      and
      for other purposes, this Agreement may be executed (by facsimile or otherwise)
      simultaneously in any number of counterparts, each of which counterparts shall
      be deemed to be an original, and such counterparts shall constitute but one
      and
      the same instrument.

     

    SECTION
      11.3 Governing Law.

     

    THIS
      AGREEMENT (OTHER THAN SECTION 2.1 HEREOF) SHALL BE CONSTRUED IN ACCORDANCE
      WITH
      AND GOVERNED BY THE SUBSTANTIVE LAWS OF THE STATE OF NEW YORK APPLICABLE TO
      AGREEMENTS MADE AND TO BE PERFORMED IN THE STATE OF NEW YORK AND THE
      OBLIGATIONS, RIGHTS AND REMEDIES OF THE PARTIES HERETO AND THE
      CERTIFICATEHOLDERS SHALL BE DETERMINED IN ACCORDANCE WITH SUCH LAWS. SECTION
      2.1
      OF THIS AGREEMENT SHALL BE CONSTRUED IN ACCORDANCE WITH AND GOVERNED BY THE
      SUBSTANTIVE LAWS OF THE STATE OF DELAWARE APPLICABLE TO AGREEMENTS MADE AND
      TO
      BE PERFORMED IN THE STATE OF DELAWARE AND THE OBLIGATIONS, RIGHTS AND REMEDIES
      OF THE PARTIES HERETO AND THE CERTIFICATEHOLDERS UNDER SUCH SECTION SHALL BE
      DETERMINED IN ACCORDANCE WITH SUCH LAWS.

     

    SECTION
      11.4 Intention of Parties.

     

    It
      is the
      express intent of the parties hereto that the conveyance of the Trust Fund
      by
      the Depositor to the Trustee be, and be construed as, absolute sales thereof
      to
      the Trustee. It is, further, not the intention of the parties that such
      conveyances be deemed a pledge thereof by the Depositor to the Trustee. However,
      in the event that, notwithstanding the intent of the parties, such assets are
      held to be the property of the Depositor, or if for any other reason this
      Agreement is held or deemed to create a security interest in such assets, then
      (i) this Agreement shall be deemed to be a security agreement within the meaning
      of the Uniform Commercial Code of the State of New York and (ii) the conveyance
      provided for in this Agreement shall be deemed to be an assignment and a grant
      by the Depositor to the Trustee, for the benefit of the Certificateholders,
      of a
      security interest in all of the assets that constitute the Trust Fund, whether
      now owned or hereafter acquired.

     

    
      
        
        

      

      
        126

        
          

        

      

      
        
        

      

    

     

    The
      Depositor, for the benefit of the Certificateholders, shall, to the extent
      consistent with this Agreement, take such actions as may be necessary to ensure
      that, if this Agreement were deemed to create a security interest in the Trust
      Fund, 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 the Agreement. The Depositor shall arrange for filing any Uniform
      Commercial Code financing and continuation statements in connection with any
      security interest granted or assigned to the Trustee for the benefit of the
      Certificateholders.

     

    SECTION
      11.5 Notices.

     

    
      	 	
              (a)

            	
              The
                Trustee shall use its best efforts to promptly provide notice to
                each
                Rating Agency with respect to each of the following of which it has
                actual
                knowledge:

            


    

     

    
      	 	
              (1)

            	
              Any
                material change or amendment to this
                Agreement;

            


    

     

    
      	 	
              (2)

            	
              The
                occurrence of any Event of Default that has not been
                cured;

            


    

     

    
      	 	
              (3)

            	
              The
                resignation or termination of the Master Servicer or the Trustee
                and the
                appointment of any successor;

            


    

     

    
      	 	
              (4)

            	
              The
                repurchase or substitution of Mortgage Loans pursuant to Section
                2.3;
                

            


    

     

    
      	 	
              (5)

            	
              The
                final payment to Certificateholders;
                and

            


    

     

    
      	 	
              (6)

            	
              Any
                rating action involving the long-term credit rating of the Master
                Servicer, which notice shall be made by first-class mail within two
                Business Days after the Trustee gains actual knowledge
                thereof.

            


    

     

    In
      addition, the Trustee shall promptly furnish to each Rating Agency copies of
      the
      following:

     

    
      	 	
              (1)

            	
              Each
                report to Certificateholders described in Section
                4.6;

            


    

     

    
      	 	
              (2)

            	
              Each
                annual statement as to compliance described in Section 3.16;
                and

            


    

     

    
      	 	
              (3)

            	
              Any
                notice of a purchase of a Mortgage Loan pursuant to Section 2.2,
                2.3 or
                3.11.

            


    

     

    
      	 	
              (b)

            	
              All
                directions, demands, authorizations, consents, waivers, communications
                and
                notices hereunder shall be in writing and shall be deemed to have
                been
                duly given when delivered to by first class mail, facsimile or courier
                (a)
                in the case of the Depositor, First Horizon Asset Securities Inc.,
                4000
                Horizon Way, Irving, Texas 75063, Attention: Alfred Chang; (b) in
                the case
                of the Master Servicer, First Horizon Home Loan Corporation, 4000
                Horizon
                Way, Irving, Texas 75063, Attention: Larry P. Cole or such other
                address
                as may be hereafter furnished to the Depositor and the Trustee by
                the
                Master Servicer in writing; (c) in the case of the Trustee, The Bank
                of
                New York, 101 Barclay Street, 4W, New York, New York 10286, Attention:
                Corporate Trust Administration—First Horizon 2006-4, or such other address
                as the Trustee may hereafter furnish to the Depositor or Master Servicer,
                and (d) in the case of the Rating Agencies, the address specified
                therefor
                in the definition corresponding to the name of such Rating Agency.
                Notices
                to Certificateholders shall be deemed given when mailed, first class
                postage prepaid, to their respective addresses appearing in the
                Certificate Register.

            


    

     

    
      
        
        

      

      
        127

        
          

        

      

      
        
        

      

    

     

    SECTION
      11.6 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
      11.7 Assignment.

     

    Notwithstanding
      anything to the contrary contained herein, except as provided in Section 6.2,
      this Agreement may not be assigned by the Master Servicer without the prior
      written consent of the Trustee and Depositor.

     

    SECTION
      11.8 Limitation on Rights of Certificateholders.

     

    The
      death
      or incapacity of any Certificateholder shall not operate to terminate this
      Agreement or the trust created hereby, nor entitle such Certificateholder’s
      legal representative or heirs to claim an accounting or to take any action
      or
      commence any proceeding in any court for a petition or winding up of the trust
      created hereby, or otherwise affect the rights, obligations and liabilities
      of
      the parties hereto or any of them.

     

    No
      Certificateholder shall have any right to vote (except as provided herein)
      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 party by
      reason of any action taken by the parties to this Agreement pursuant to any
      provision hereof.

     

    No
      Certificateholder shall have any right by virtue or by availing itself of any
      provisions 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 herein provided, and unless the
      Holders of Certificates evidencing not less than 25% of the Voting Rights
      evidenced by the Certificates shall also have made written request to 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 costs, expenses, and liabilities to be incurred therein
      or thereby, and the Trustee, for 60 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; it being understood and intended, and being
      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 or by availing itself
      or
      themselves of any provisions of this Agreement to affect, disturb or prejudice
      the rights of the Holders of any other of the 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
      common benefit of all Certificateholders. For the protection and enforcement
      of
      the provisions of this Section 11.8, each and every Certificateholder and the
      Trustee shall be entitled to such relief as can be given either at law or in
      equity.

     

    
      
        
        

      

      
        128

        
          

        

      

      
        
        

      

    

     

    SECTION
      11.9 Inspection and Audit Rights.

     

    The
      Master Servicer agrees that, on reasonable prior notice, it will permit and
      will
      cause each Subservicer to permit any representative of the Depositor or the
      Trustee during the Master Servicer’s normal business hours, to examine all the
      books of account, records, reports and other papers of the Master Servicer
      relating to the Mortgage Loans, to make copies and extracts therefrom, to cause
      such books to be audited by independent certified public accountants selected
      by
      the Depositor or the Trustee and to discuss its affairs, finances and accounts
      relating to the Mortgage Loans with its officers, employees and independent
      public accountants (and by this provision the Master Servicer hereby authorizes
      said accountants to discuss with such representative such affairs, finances
      and
      accounts), all at such reasonable times and as often as may be reasonably
      requested. Any out-of-pocket expense incident to the exercise by the Depositor
      or the Trustee of any right under this Section 11.9 shall be borne by the party
      requesting such inspection; all other such expenses shall be borne by the Master
      Servicer or the related Subservicer.

     

    SECTION
      11.10 Certificates Nonassessable and Fully Paid.

     

    It
      is the
      intention of the Depositor that Certificateholders shall not be personally
      liable for obligations of the Trust Fund, that the interests in the Trust Fund
      represented by the Certificates shall be nonassessable for any reason
      whatsoever, and that the Certificates, upon due authentication thereof by the
      Trustee pursuant to this Agreement, are and shall be deemed fully
      paid.

     

    SECTION
      11.11 Limitations on Actions; No Proceedings.

     

    
      	 	
              (a)

            	
              Other
                     than pursuant to this Agreement, or in connection with or incidental
                to
                the provisions or purposes of this Agreement, the trust created hereunder
                shall not (i) issue debt or otherwise borrow money, (ii) merge or
                consolidate with any other entity reorganize, liquidate or transfer
                all or
                substantially all of its assets to any other entity, or (iii) otherwise
                engage in any activity or exercise any power not provided for in
                this
                Agreement.

            


    

     

    
      
        
        

      

      
        129

        
          

        

      

      
        
        

      

    

     

    
      	 	
              (b)

            	
              Notwithstanding
                any prior termination of this Agreement, the Trustee, the Master
                Servicer
                and the Depositor shall not, prior to the date which is one year
                and one
                day after the termination of this Agreement, acquiesce, petition
                or
                otherwise invoke or cause any Person to invoke the process of any
                court or
                government authority for the purpose of commencing or sustaining
                a case
                against the Depositor or the Trust Fund under any federal or state
                bankruptcy, insolvency or other similar law or appointing a receiver,
                liquidator, assignee, trustee, custodian, sequestrator or other similar
                official of the Depositor or the Trust Fund or any substantial part
                of
                their respective property, or ordering the winding up or liquidation
                of
                the affairs of the Depositor or the Trust
                Fund.

            


    

     

    SECTION
      11.12 Acknowledgment of Seller.

     

    Seller
      hereby acknowledges the provisions of this Agreement, including the obligations
      under Sections 2.1(a), 2.2, 2.3(b) and 8.11 of this Agreement and further
      acknowledges the Depositor’s assignment of its rights and remedies for the
      breach of the representations and warranties made by the Seller under the
      MLPA.

     

    *
      * * * *
      *

     

    
      
        
        

      

      
        130

        
          

        

      

      
        
        

      

    

     

    IN
      WITNESS WHEREOF, the Depositor, the Trustee and the Master Servicer have caused
      their names to be signed hereto by their respective officers thereunto duly
      authorized as of the day and year first above written.

    
      	 	 	 
	 	
              FIRST
                HORIZON ASSET SECURITIES INC., 
                as
                  Depositor

              

            
	 
 	 
 	 
 
	
            	By:  	
            
	 	
              

              Alfred
                Chang 
                Vice
                  President 

              

            


    

     

    
      	 	 	 
	 	
              THE
                BANK OF NEW YORK, 
                not
                  in its individual capacity, but solely as Trustee

              

            
	 
 	 
 	 
 
	
            	
              By: 

              
                

              

            
	 	
              Name:

            	
               

              
                

              

            
	 	
              Title:

              
                

              

            


    

     

    
      	 	 	 
	 	
              FIRST
                HORIZON HOME LOAN 

              CORPORATION,
                in its capacity as Master Servicer

            
	 
 	 
 	 
 
	
            	By:  	
            
	 	
              

              Terry
                L. McCoy 
                Executive
                  Vice President

              

            


    

     

    
      	
              The
                foregoing agreement is hereby 
                acknowledged
                  and accepted as of the 
                  date
                    first above written:

                

              

            	 	 	 
	 	 	 	 
	
              FIRST
                HORIZON HOME LOAN CORPORATION, 
                in
                  its capacity as Seller

              

            	 	 	 
	
              
                 

                By:

              

            	 	 	
            
	
              
                

              

              Terry
                L. McCoy 
                Executive
                  Vice President

              

            	 	 	
            


    

     

    
      
        
        

      

      
        
        

        
          

        

      

      
        
        

      

    

     

    SCHEDULE
      I

     

    First
      Horizon Asset Securities Inc.

    Mortgage
      Pass-Through Certificates Series 2006-4

     

    Mortgage
      Loan Schedule

     

    [Available
      Upon Request from Trustee]

     

    
      
        
        

      

      
        I-1

        
          

        

      

      
        
        

      

    

     

    SCHEDULE
      II

     

    First
      Horizon Asset Securities Inc.

    Mortgage
      Pass-Through Certificates Series 2006-4

     

    Representations
      and Warranties of the Master Servicer

     

    First
      Horizon Home Loan Corporation (“First Horizon”) hereby makes the representations
      and warranties set forth in this Schedule II to the Depositor and the Trustee,
      as of the Closing Date, or if so specified herein, as of the Cut-off Date.
      Capitalized terms used but not otherwise defined in this Schedule II shall
      have
      the meanings ascribed thereto in the Pooling and Servicing Agreement (the
“Pooling and Servicing Agreement”) relating to the above-referenced Series,
      among First Horizon, as master servicer, First Horizon Asset Securities Inc.,
      as
      depositor, and The Bank of New York, as trustee. 

     

    (1) First
      Horizon is duly organized as a Kansas corporation and is validly existing and
      in
      good standing under the laws of the State of Kansas and is duly authorized
      and
      qualified to transact any and all business contemplated by the Pooling and
      Servicing Agreement to be conducted by First Horizon in any state in which
      a
      Mortgaged Property is located or is otherwise not required under applicable
      law
      to effect such qualification and, in any event, is in compliance with the doing
      business laws of any such state, to the extent necessary to ensure its ability
      to enforce each Mortgage Loan, to service the Mortgage Loans in accordance
      with
      the terms of the Pooling and Servicing Agreement and to perform any of its
      other
      obligations under the Pooling and Servicing Agreement in accordance with the
      terms thereof. 

     

    (2) 
      First
      Horizon has the full corporate power and authority to service each Mortgage
      Loan, and to execute, deliver and perform, and to enter into and consummate
      the
      transactions contemplated by the Pooling and Servicing Agreement and has duly
      authorized by all necessary corporate action on the part of First Horizon the
      execution, delivery and performance of the Pooling and Servicing Agreement;
      and
      the Pooling and Servicing Agreement, assuming the due authorization, execution
      and delivery thereof by the other parties thereto, constitutes a legal, valid
      and binding obligation of First Horizon, enforceable against First Horizon
      in
      accordance with its terms, except that (a) the enforceability thereof may be
      limited by bankruptcy, insolvency, moratorium, receivership and other similar
      laws relating to creditors’ rights generally and (b) the remedy of specific
      performance and injunctive and other forms of equitable relief may be subject
      to
      equitable defenses and to the discretion of the court before which any
      proceeding therefor may be brought. 

     

    (3) The
      execution and delivery of the Pooling and Servicing Agreement by First Horizon,
      the servicing of the Mortgage Loans by First Horizon under the Pooling and
      Servicing Agreement, the consummation of any other of the transactions
      contemplated by the Pooling and Servicing Agreement, and the fulfillment of
      or
      compliance with the terms thereof are in the ordinary course of business of
      First Horizon and will not (A) result in a material breach of any term or
      provision of the charter or by-laws of First Horizon or (B) materially conflict
      with, result in a material breach, violation or acceleration of, or result
      in a
      material default under, the terms of any other material agreement or instrument
      to which First Horizon is a party or by which it may be bound, or (C) constitute
      a material violation of any statute, order or regulation applicable to First
      Horizon of any court, regulatory body, administrative agency or governmental
      body having jurisdiction over First Horizon; and First Horizon is not in breach
      or violation of any material indenture or other material agreement or
      instrument, or in violation of any statute, order or regulation of any court,
      regulatory body, administrative agency or governmental body having jurisdiction
      over it which breach or violation may materially impair First Horizon’s ability
      to perform or meet any of its obligations under the Pooling and Servicing
      Agreement. 

     

    
      
        
        

      

      
        II-1

        
          

        

      

      
        
        

      

    

     

    (4) No
      litigation is pending or, to the best of First Horizon’s knowledge, threatened
      against First Horizon that would prohibit the execution or delivery of, or
      performance under, the Pooling and Servicing Agreement by First Horizon.


     

    (5) First
      Horizon is a member of MERS in good standing, and will comply in all material
      respects with the rules and procedures of MERS in connection with the servicing
      of the MERS Mortgage Loans for as along as such Mortgage Loans are registered
      with MERS.

    


    
      
        
        

      

      
        II-2

        
          

        

      

      
        
        

      

    

     

    SCHEDULE
      III

     

    First
      Horizon Asset Securities Inc.

    Mortgage
      Pass-Through Certificates Series 2006-4

     

    Form
      of Monthly Master Servicer Report

     

    [Begins
      on Next Page]

     

    
      
        
        

      

      
        III-1

        
          

        

      

      
        
        

      

    

     

    
      EXHIBIT
        A-1

       

      [FORM
        OF
        SENIOR CERTIFICATE

       

      OTHER
        THAN THE CLASS [I-A-PO] AND [II-A-PO] CERTIFICATES]

       

      UNLESS
        THIS CERTIFICATE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY
        TRUST COMPANY, A NEW YORK CORPORATION (“DTC”), TO THE ISSUER OR ITS AGENT FOR
        REGISTRATION OF TRANSFER, EXCHANGE, OR PAYMENT, AND ANY CERTIFICATE ISSUED
        IS
        REGISTERED IN THE NAME OF CEDE & CO. OR IN SUCH OTHER NAME AS IS REQUESTED
        BY AN AUTHORIZED REPRESENTATIVE OF DTC (AND ANY PAYMENT IS MADE TO CEDE &
CO. OR TO SUCH OTHER ENTITY AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE
        OF
        DTC), ANY TRANSFER, PLEDGE, OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY
        OR TO
        ANY PERSON IS WRONGFUL INASMUCH AS THE REGISTERED OWNER HEREOF, CEDE & CO.,
        HAS AN INTEREST HEREIN.

       

      SOLELY
        FOR U.S. FEDERAL INCOME TAX PURPOSES, THIS CERTIFICATE IS A “REGULAR INTEREST”
IN A “REAL ESTATE MORTGAGE INVESTMENT CONDUIT,” AS THOSE TERMS ARE DEFINED,
        RESPECTIVELY, IN SECTIONS 860G AND 860D OF THE INTERNAL REVENUE CODE OF 1986,
        AS
        AMENDED (THE “CODE”).

       

    

     

    
      
        
        

      

      
        A-I-1

        
          

        

      

      
        
        

      

    

     

    
      	
              Certificate
                No.:

            	 	 	 
	
              Cut-off
                Date:

            	 	 	 
	
              First
                Distribution Date:

            	 	 	 
	
              Initial
                Certificate Balance of this Certificate (“Denominations”):

            	 	$	
            	 
	
              Initial
                Certificate Balances
                of all Certificate
                of this Class:

            	 	$	
            	 
	
              CUSIP:

            	 	 	 	 


    

    
      

        First
          Horizon Mortgage Pass-Through Trust 2006-4

        Mortgage
          Pass-Through Certificates, Series 2006-4

        Class
          [________]

         

        evidencing
          a percentage interest in the distributions allocable to the Certificates
          of the
          above-referenced Class with respect to a Trust Fund consisting primarily
          of one
          or more pools of conventional mortgage loans (the “Mortgage Loans”) secured by
          first liens on one- to four-family residential properties.

         

        First
          Horizon Asset Securities Inc., as Depositor

         

        [Principal
          in respect of this Certificate is distributable monthly as set forth herein.
          Accordingly, the Certificate Balance at any time may be less than the
          Certificate Balance as set forth herein.] This Certificate does not evidence
          an
          obligation of, or an interest in, and is not guaranteed by the Depositor,
          the
          Master Servicer or the Trustee referred to below or any of their respective
          affiliates. Neither this Certificate nor the Mortgage Loans are guaranteed
          or
          insured by any governmental agency or instrumentality.

         

        This
          certifies that __________________ is the registered owner of the Percentage
          Interest evidenced by this Certificate (obtained by dividing the denomination
          of
          this Certificate by the aggregate Initial Certificate Balances of all
          Certificates of the Class to which this Certificate belongs) in certain
          monthly
          distributions with respect to a Trust Fund consisting primarily of the
          Mortgage
          Loans deposited by First Horizon Asset Securities Inc. (the “Depositor”). The
          Trust Fund was created pursuant to a Pooling and Servicing Agreement dated
          as of
          the Cut-off Date specified above (the “Agreement”) among the Depositor, First
          Horizon Home Loan Corporation, as master servicer (the “Master Servicer”), and
          The Bank of New York, as trustee (the “Trustee”). To the extent not defined
          herein, the capitalized terms used herein have the meanings assigned in
          the
          Agreement. This Certificate is issued under and is subject to the terms,
          provisions and conditions of the Agreement, to which Agreement the Holder
          of
          this Certificate by virtue of the acceptance hereof assents and by which
          such
          Holder is bound.

         

      

    

     

    
      
        
        

      

      
        A-I-2

        
          

        

      

      
        
        

      

    

     

    
      Reference
        is hereby made to the further provisions of this Certificate set forth on
        the
        reverse hereof, which further provisions shall for all purposes have the
        same
        effect as if set forth at this place.

       

      This
        Certificate shall not be entitled to any benefit under the Agreement or be
        valid
        for any purpose unless manually countersigned by an authorized signatory
        of the
        Trustee.

    

     

    
      
        
        

      

      
        A-I-3

        
          

        

      

      
        
        

      

    

     

    IN
      WITNESS WHEREOF, the Trustee has caused this Certificate to be duly
      executed.

     

    Dated:
      December __, 2006

    
      	 	 	 
	 	
              THE
                BANK OF NEW YORK, 
                not
                  in its individual capacity, but solely as Trustee

              

            
	 
 	 
 	 
 
	
            	By:  	
            
	 	
              

              Authorized
                Signatory of 
                THE
                  BANK OF NEW YORK 
                  not
                    in its individual capacity, 
                    but
                      solely as Trustee

                  

                

              

            


    

     

    
      	
              Countersigned:

            	 	 	 
	
               

               

              By

            	 	 	
            
	
              
                

              

              Authorized
                Signatory of 
                THE
                  BANK OF NEW YORK, 
                  not
                    in its individual capacity, 
                    but
                      solely as Trustee

                  

                

              

            	 	 	
            


    

     

    
      
        
        

      

      
        A-I-4

        
          

        

      

      
        
        

      

    

     

    
      EXHIBIT
        A-2


       

      [FORM
        OF
        SENIOR CERTIFICATE

       

      [CLASS
        [I-A-PO][II-A-PO] CERTIFICATE]

       

      SOLELY
        FOR U.S. FEDERAL INCOME TAX PURPOSES, THIS CERTIFICATE IS A “REGULAR INTEREST”
IN A “REAL ESTATE MORTGAGE INVESTMENT CONDUIT,” AS THOSE TERMS ARE DEFINED,
        RESPECTIVELY, IN SECTIONS 860G AND 860D OF THE INTERNAL REVENUE CODE OF 1986,
        AS
        AMENDED (THE “CODE”).

       

      NEITHER
        THIS CERTIFICATE NOR ANY INTEREST HEREIN MAY BE TRANSFERRED UNLESS THE
        TRANSFEREE REPRESENTS TO THE TRUSTEE THAT SUCH TRANSFEREE IS NOT AN EMPLOYEE
        BENEFIT PLAN SUBJECT TO SECTION 406 OF THE EMPLOYEE RETIREMENT INCOME SECURITY
        ACT OF 1974, AS AMENDED (“ERISA”), OR A PLAN SUBJECT TO SECTION 4975 OF THE
        CODE, OR, IF THE CERTIFICATE HAS BEEN SUBJECT TO AN ERISA-QUALIFYING
        UNDERWRITING, A REPRESENTATION IN ACCORDANCE WITH THE PROVISIONS OF THE
        AGREEMENT REFERRED TO HEREIN, OR DELIVERS TO THE TRUSTEE AN OPINION OF COUNSEL
        IN ACCORDANCE WITH THE PROVISIONS OF THE AGREEMENT REFERRED TO HEREIN. SUCH
        REPRESENTATION SHALL BE DEEMED TO HAVE BEEN MADE TO THE TRUSTEE BY THE
        TRANSFEREE’S ACCEPTANCE OF A CERTIFICATE OF THIS CLASS AND BY A BENEFICIAL
        OWNER’S ACCEPTANCE OF ITS INTEREST IN A CERTIFICATE OF THIS CLASS.

       

      THIS
        CERTIFICATE HAS NOT BEEN AND WILL NOT BE REGISTERED UNDER THE SECURITIES
        ACT OF
        1933, AS AMENDED (THE “SECURITIES ACT”), OR THE SECURITIES LAWS OF ANY STATE OF
        THE UNITED STATES (“BLUE SKY LAWS”), AND SUCH CERTIFICATE MAY NOT BE OFFERED,
        RESOLD, PLEDGED OR OTHERWISE TRANSFERRED EXCEPT (A) TO A PERSON WHOM THE
        SELLER
        REASONABLY BELIEVES IS A QUALIFIED INSTITUTIONAL BUYER WITHIN THE MEANING
        OF
        RULE 144A UNDER THE SECURITIES ACT IN A TRANSACTION MEETING THE REQUIREMENTS
        OF
        RULE 144A, (B) PURSUANT TO AN EXEMPTION FROM REGISTRATION PROVIDED BY RULE
        144
        UNDER THE SECURITIES ACT (IF AVAILABLE) OR (C) TO AN INSTITUTIONAL ACCREDITED
        INVESTOR AS DEFINED IN RULE 501(a)(1), (2), (3) OR (7) OF REGULATION D UNDER
        THE
        SECURITIES ACT IN A TRANSACTION EXEMPT FROM THE REGISTRATION REQUIREMENTS
        OF THE
        SECURITIES ACT, IN EACH CASE IN ACCORDANCE WITH ANY APPLICABLE BLUE SKY LAWS.
        NO
        REPRESENTATION IS MADE AS TO THE AVAILABILITY OF THE EXEMPTION PROVIDED BY
        RULE
        144 FOR RESALES OF THIS CERTIFICATE. 

       

      THIS
        CLASS [I-A-PO][II-A-PO] CERTIFICATE SHALL NOT BE ENTITLED TO ANY PAYMENTS
        IN
        RESPECT OF INTEREST.

       

    

     

    
      
        
        

      

      
        A-I-5

        
          

        

      

      
        
        

      

    

     

     

    
      	
              Certificate
                No.:

            	 	 	 
	
              Cut-off
                Date:

            	 	 	 
	
              First
                Distribution Date:

            	 	 	 
	
              Initial
                Certificate Balance of this Certificate (“Denominations”):

            	 	$	
            	 
	
              Initial
                Certificate Balances
                of all Certificate
                of this Class:

            	 	$	
            	 
	
              CUSIP:

            	 	 	 	 


    

     

    
      First
        Horizon Mortgage Pass-Through Trust 2006-4

      Mortgage
        Pass-Through Certificates, Series 2006-4

      Class
        [I-A-PO][II-A-PO]

       

      evidencing
        a percentage interest in the distributions allocable to the Certificates
        of the
        above-referenced Class with respect to a Trust Fund consisting primarily
        of one
        or more pools of conventional mortgage loans (the “Mortgage Loans”) secured by
        first liens on one- to four-family residential properties.

       

      First
        Horizon Asset Securities Inc., as Depositor

       

      Principal
        in respect of this Certificate is distributable monthly as set forth herein.
        Accordingly, the Certificate Balance at any time may be less than the
        Certificate Balance as set forth herein. This Certificate does not evidence
        an
        obligation of, or an interest in, and is not guaranteed by the Depositor,
        the
        Master Servicer or the Trustee referred to below or any of their respective
        affiliates. Neither this Certificate nor the Mortgage Loans are guaranteed
        or
        insured by any governmental agency or instrumentality.

       

      This
        certifies that __________________ is the registered owner of the Percentage
        Interest evidenced by this Certificate (obtained by dividing the denomination
        of
        this Certificate by the aggregate Initial Certificate Balances of all
        Certificates of the Class to which this Certificate belongs) in certain monthly
        distributions with respect to a Trust Fund consisting primarily of the Mortgage
        Loans deposited by First Horizon Asset Securities Inc. (the “Depositor”). The
        Trust Fund was created pursuant to a Pooling and Servicing Agreement dated
        as of
        the Cut-off Date specified above (the “Agreement”) among the Depositor, First
        Horizon Home Loan Corporation, as master servicer (the “Master Servicer”), and
        The Bank of New York, as trustee (the “Trustee”). To the extent not defined
        herein, the capitalized terms used herein have the meanings assigned in the
        Agreement. This Certificate is issued under and is subject to the terms,
        provisions and conditions of the Agreement, to which Agreement the Holder
        of
        this Certificate by virtue of the acceptance hereof assents and by which
        such
        Holder is bound.

       

    

     

    
      
        
        

      

      
        A-I-6

        
          

        

      

      
        
        

      

    

     

    

      Reference
        is hereby made to the further provisions of this Certificate set forth on
        the
        reverse hereof, which further provisions shall for all purposes have the
        same
        effect as if set forth at this place.

       

      This
        Certificate shall not be entitled to any benefit under the Agreement or be
        valid
        for any purpose unless manually countersigned by an authorized signatory
        of the
        Trustee.


    

    
      
        
        

      

      
        A-I-7

        
          

        

      

      
        
        

      

    

    
       

      IN
        WITNESS WHEREOF, the Trustee has caused this Certificate to be duly
        executed.

       

      Dated:
        December __, 2006

    

    
      	 	 	 
	 	
              
                THE
                  BANK OF NEW YORK, 
                  not
                    in its individual capacity, but solely as
                    Trustee

                

              

            
	 
 	 
 	 
 
	
            	By:  	
            
	 	
              

              Authorized
                Signatory of 
                THE
                  BANK OF NEW YORK 
                  not
                    in its individual capacity, 
                    but
                      solely as Trustee

                  

                

              

            


    

     

    
      	
              Countersigned:

            	 	 	 
	
               

               

              By
                

            	 	 	
            
	
              
                

              

              Authorized
                Signatory of 
                THE
                  BANK OF NEW YORK, 
                  not
                    in its individual capacity, 
                    but
                      solely as Trustee

                  

                

              

            	 	 	
            


    

     

    
      
        
        

      

      
        A-I-8

        
          

        

      

      
        
        

      

    

     

    EXHIBIT
      B

     

    [FORM
      OF
      SUBORDINATED CERTIFICATE]

     

    [UNLESS
      THIS CERTIFICATE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY
      TRUST COMPANY, A NEW YORK CORPORATION (“DTC”), TO THE ISSUER OR ITS AGENT FOR
      REGISTRATION OF TRANSFER, EXCHANGE, OR PAYMENT, AND ANY CERTIFICATE ISSUED
      IS
      REGISTERED IN THE NAME OF CEDE & CO. OR IN SUCH OTHER NAME AS IS REQUESTED
      BY AN AUTHORIZED REPRESENTATIVE OF DTC (AND ANY PAYMENT IS MADE TO CEDE &
CO. OR TO SUCH OTHER ENTITY AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE
      OF
      DTC), ANY TRANSFER, PLEDGE, OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR
      TO
      ANY PERSON IS WRONGFUL INASMUCH AS THE REGISTERED OWNER HEREOF, CEDE & CO.,
      HAS AN INTEREST HEREIN.]

     

    SOLELY
      FOR U.S. FEDERAL INCOME TAX PURPOSES, THIS CERTIFICATE IS A “REGULAR INTEREST”
IN A “REAL ESTATE MORTGAGE INVESTMENT CONDUIT,” AS THOSE
      TERMS ARE DEFINED, RESPECTIVELY, IN SECTIONS 860G AND 860D OF THE INTERNAL
      REVENUE CODE OF 1986, AS AMENDED (THE “CODE”). THIS
      CERTIFICATE IS SUBORDINATED IN RIGHT OF PAYMENT TO CERTAIN CERTIFICATES AS
      DESCRIBED IN THE AGREEMENT REFERRED TO HEREIN.

     

    [THIS
      CERTIFICATE HAS NOT BEEN AND WILL NOT BE REGISTERED UNDER THE SECURITIES ACT
      OF
      1933, AS AMENDED (THE “SECURITIES ACT”), OR THE SECURITIES LAWS OF ANY STATE OF
      THE UNITED STATES (“BLUE SKY LAWS”), AND SUCH CERTIFICATE MAY NOT BE OFFERED,
      RESOLD, PLEDGED OR OTHERWISE TRANSFERRED EXCEPT (A) TO A PERSON WHOM THE SELLER
      REASONABLY BELIEVES IS A QUALIFIED INSTITUTIONAL BUYER WITHIN THE MEANING OF
      RULE 144A UNDER THE SECURITIES ACT IN A TRANSACTION MEETING THE REQUIREMENTS
      OF
      RULE 144A, (B) PURSUANT TO AN EXEMPTION FROM REGISTRATION PROVIDED BY RULE
      144
      UNDER THE SECURITIES ACT (IF AVAILABLE) OR (C) TO AN INSTITUTIONAL ACCREDITED
      INVESTOR AS DEFINED IN RULE 501(a)(1), (2), (3) OR (7) OF REGULATION D UNDER
      THE
      SECURITIES ACT IN A TRANSACTION EXEMPT FROM THE REGISTRATION REQUIREMENTS OF
      THE
      SECURITIES ACT, IN EACH CASE IN ACCORDANCE WITH ANY APPLICABLE BLUE SKY LAWS.
      NO
      REPRESENTATION IS MADE AS TO THE AVAILABILITY OF THE EXEMPTION PROVIDED BY
      RULE
      144 FOR RESALES OF THIS CERTIFICATE.]

     

     

    
      
        
        

      

      
        B-1

        
          

        

      

      
        
        

      

    

     

    [NEITHER
      THIS CERTIFICATE NOR ANY INTEREST HEREIN MAY BE TRANSFERRED UNLESS THE
      TRANSFEREE REPRESENTS TO THE TRUSTEE THAT SUCH TRANSFEREE IS NOT AN EMPLOYEE
      BENEFIT PLAN OR ARRANGEMENT SUBJECT TO THE EMPLOYEE RETIREMENT INCOME SECURITY
      ACT OF 1974, AS AMENDED (“ERISA”), OR A PLAN OR ARRANGEMENT SUBJECT TO SECTION
      4975 OF THE CODE, OR, IF SUCH PURCHASER IS AN INSURANCE COMPANY AND THE
      CERTIFICATE HAS BEEN SUBJECT TO AN ERISA-QUALIFYING UNDERWRITING, A
      REPRESENTATION IN ACCORDANCE WITH THE PROVISIONS OF THE AGREEMENT REFERRED
      TO
      HEREIN, OR DELIVERS TO THE TRUSTEE AN OPINION OF COUNSEL IN ACCORDANCE WITH
      THE
      PROVISIONS OF THE AGREEMENT REFERRED TO HEREIN. SUCH REPRESENTATION SHALL BE
      DEEMED TO HAVE BEEN MADE TO THE TRUSTEE BY THE TRANSFEREE’S ACCEPTANCE OF A
      CERTIFICATE OF THIS CLASS AND BY A BENEFICIAL OWNER’S ACCEPTANCE OF ITS INTEREST
      IN A CERTIFICATE OF THIS CLASS. NOTWITHSTANDING ANYTHING ELSE TO THE CONTRARY
      HEREIN, ANY PURPORTED TRANSFER OF THIS CERTIFICATE TO OR ON BEHALF OF AN
      EMPLOYEE BENEFIT PLAN SUBJECT TO ERISA OR TO THE CODE WITHOUT THE OPINION OF
      COUNSEL SATISFACTORY TO THE TRUSTEE AS DESCRIBED ABOVE SHALL BE VOID AND OF
      NO
      EFFECT.]

     

    
      
        
        

      

      
        B-2

        
          

        

      

      
        
        

      

    

     

    
      	
              Certificate
                No.:

            	 	 	 
	
              Cut-off
                Date:

            	 	 	 
	
              First
                Distribution Date:

            	 	 	 
	
              Initial
                Certificate Balance of this Certificate (“Denominations”):

            	 	$	
            	 
	
              Initial
                Certificate Balances
                of all Certificate
                of this Class:

            	 	$	
            	 
	
              CUSIP:

            	 	 	 	 


    

     

    
      First
        Horizon Mortgage Pass-Through Trust 2006-4

      Mortgage
        Pass-Through Certificates, Series 2006-4 

      Class
        [___]

       

      evidencing
        a percentage interest in the distributions allocable to the Certificates
        of the
        above-referenced Class with respect to a Trust Fund consisting primarily
        of one
        or more pools of conventional mortgage loans (the “Mortgage Loans”) secured by
        first liens on one- to four-family residential properties.

       

      First
        Horizon Asset Securities Inc., as Depositor

       

      Principal
        in respect of this Certificate is distributable monthly as set forth herein.
        Accordingly, the Certificate Balance at any time may be less than the
        Certificate Balance as set forth herein. This Certificate does not evidence
        an
        obligation of, or an interest in, and is not guaranteed by the Depositor,
        the
        Master Servicer or the Trustee referred to below or any of their respective
        affiliates. Neither this Certificate nor the Mortgage Loans are guaranteed
        or
        insured by any governmental agency or instrumentality.

       

      This
        certifies that ___________ is the registered owner of the Percentage Interest
        evidenced by this Certificate (obtained by dividing the denomination of this
        Certificate by the aggregate Initial Certificate Balances of the denominations
        of all Certificates of the Class to which this Certificate belongs) in certain
        monthly distributions with respect to a Trust Fund consisting primarily of
        the
        Mortgage Loans deposited by First Horizon Asset Securities Inc. (the
“Depositor”). The Trust Fund was created pursuant to a Pooling and Servicing
        Agreement dated as of the Cut-off Date specified above (the “Agreement”) among
        the Depositor, First Horizon Home Loan Corporation, as master servicer (the
        “Master Servicer”), and The Bank of New York, as trustee (the “Trustee”). To the
        extent not defined herein, the capitalized terms used herein have the meanings
        assigned in the Agreement. This Certificate is issued under and is subject
        to
        the terms, provisions and conditions of the Agreement, to which Agreement
        the
        Holder of this Certificate by virtue of the acceptance hereof assents and
        by
        which such Holder is bound.

       

    

    
      
        
        

      

      
        B-3

        
          

        

      

      
        
        

      

    

     

    
      [No
        transfer of a Certificate of this Class shall be made unless such transfer
        is
        made pursuant to an effective registration statement under the Securities
        Act
        and any applicable state securities laws or is exempt from the registration
        requirements under said Act and such laws. In the event that a transfer is
        to be
        made in reliance upon an exemption from the Securities Act and such laws,
        in
        order to assure compliance with the Securities Act and such laws, the
        Certificateholder desiring to effect such transfer and such Certificateholder’s
        prospective transferee shall each certify to the Trustee in writing the facts
        surrounding the transfer. In the event that such a transfer is to be made
        within
        two years from the date of the initial issuance of Certificates pursuant
        hereto,
        there shall also be delivered (except in the case of a transfer pursuant
        to Rule
        144A of the Securities Act) to the Trustee an Opinion of Counsel that such
        transfer may be made pursuant to an exemption from the Securities Act and
        such
        state securities laws, which Opinion of Counsel shall not be obtained at
        the
        expense of the Trustee, the Seller, the Master Servicer or the Depositor.
        The
        Holder hereof desiring to effect such transfer shall, and does hereby agree
        to,
        indemnify the Trustee and the Depositor against any liability that may result
        if
        the transfer is not so exempt or is not made in accordance with such federal
        and
        state laws.]

       

      [No
        transfer of a Certificate of this Class shall be made unless the Trustee
        shall
        have received either (i) a representation [letter] from the transferee of
        such
        Certificate, acceptable to and in form and substance satisfactory to the
        Trustee, to the effect that such transferee is not an employee benefit plan
        or
        arrangement subject to Section 406 of ERISA or Section 4975 of the Code,
        nor a
        person acting on behalf of any such plan, which representation letter shall
        not
        be an expense of the Trustee , the Depositor or the Master Servicer, (ii)
        if the
        purchaser is an insurance company and the certificate has been subject to
        an
        ERISA-Qualifying Underwriting, a representation that the purchaser is an
        insurance company which is purchasing such Certificates with funds contained
        in
        an “insurance company general account” (as such term is defined in Section V(e)
        of Prohibited Transaction Class Exemption 95-60 (“PTCE 95-60”)) and that the
        purchase and holding of such Certificates are covered under Sections I and
        III
        of PTCE 95-60 or (iii) in the case of any such Certificate presented for
        registration in the name of an employee benefit plan subject to ERISA or
        Section
        4975 of the Code (or comparable provisions of any subsequent enactments),
        or a
        trustee of any such plan or any other person acting on behalf of any such
        plan,
        an Opinion of Counsel satisfactory to the Trustee to the effect that the
        purchase or holding of such Certificate will not result in prohibited
        transactions under Section 406 of ERISA and Section 4975 of the Code and
        will
        not subject the Trustee, the Depositor or the Master Servicer to any obligation
        in addition to those undertaken in the Agreement, which Opinion of Counsel
        shall
        not be an expense of the Trustee, the Depositor or the Master Servicer. [Such
        representation shall be deemed to have been made to the Trustee by the
        Transferee’s acceptance of a Certificate of this Class and by a beneficial
        owner’s acceptance of its interest in a Certificate of this Class.]
        Notwithstanding anything else to the contrary herein, any purported transfer
        of
        a Certificate of this Class to or on behalf of an employee benefit plan subject
        to ERISA or to the Code without the opinion of counsel satisfactory to the
        Trustee as described above shall be void and of no effect.]Reference is hereby
        made to the further provisions of this Certificate set forth on the reverse
        hereof, which further provisions shall for all purposes have the same effect
        as
        if set forth at this place.

    

     

    
      
        
        

      

      
        B-4

        
          

        

      

      
        
        

      

    

     

    Reference
      is hereby made to the further provisions of this Certificate set forth on the
      reverse hereof, which further provisions shall for all purposes have the same
      effect as if set forth at this place.

     

    This
      Certificate shall not be entitled to any benefit under the Agreement or be
      valid
      for any purpose unless manually countersigned by an authorized signatory of
      the
      Trustee.

     

    IN
      WITNESS WHEREOF, the Trustee has caused this Certificate to be duly
      executed.

     

    Dated:
      December __, 2006

    
      	 	 	 
	 	
              
                THE
                  BANK OF NEW YORK, 
                  not
                    in its individual capacity, but solely as
                    Trustee

                

              

            
	 
 	 
 	 
 
	
            	By:  	
            
	 	
              

              Authorized
                Signatory of 
                THE
                  BANK OF NEW YORK 
                  not
                    in its individual capacity, 
                    but
                      solely as Trustee

                  

                

              

            


    

     

    
      	
              Countersigned:

            	 	 	 
	
               

              By

            	 	 	 
	
              
                

              

              Authorized
                Signatory of 
                THE
                  BANK OF NEW YORK, 
                  not
                    in its individual capacity, 
                    but
                      solely as Trustee

                  

                

              

            	 	 	
            


    

     

    
      
        
        

      

      
        B-5

        
          

        

      

      
        
        

      

    

     

    EXHIBIT
      C

     

    [FORM
      OF
      RESIDUAL CERTIFICATE]

     

    SOLELY
      FOR U.S. FEDERAL INCOME TAX PURPOSES, THIS CERTIFICATE REPRESENTS ONE OR MORE
      “RESIDUAL INTERESTS” IN A “REAL ESTATE MORTGAGE INVESTMENT CONDUIT,” AS THOSE
      TERMS ARE DEFINED, RESPECTIVELY, IN SECTIONS 860G AND 860D OF THE INTERNAL
      REVENUE CODE OF 1986, AS AMENDED (THE “CODE”).

     

    NEITHER
      THIS CERTIFICATE NOR ANY INTEREST HEREIN MAY BE TRANSFERRED UNLESS THE PROPOSED
      TRANSFEREE DELIVERS TO THE TRUSTEE A TRANSFER AFFIDAVIT IN ACCORDANCE WITH
      THE
      PROVISIONS OF THE AGREEMENT REFERRED TO HEREIN.

     

    [THIS
      CERTIFICATE REPRESENTS THE “TAX MATTERS PERSON RESIDUAL INTEREST” ISSUED UNDER
      THE POOLING AND SERVICING AGREEMENT REFERRED TO BELOW AND MAY NOT BE TRANSFERRED
      TO ANY PERSON EXCEPT IN CONNECTION WITH THE ASSUMPTION BY THE TRANSFEREE OF
      THE
      DUTIES OF THE SERVICER UNDER SUCH AGREEMENT.]

     

    NEITHER
      THIS CERTIFICATE NOR ANY INTEREST HEREIN MAY BE TRANSFERRED UNLESS THE
      TRANSFEREE REPRESENTS TO THE TRUSTEE THAT SUCH TRANSFEREE IS NOT AN EMPLOYEE
      BENEFIT PLAN OR ARRANGEMENT SUBJECT TO THE EMPLOYEE RETIREMENT INCOME SECURITY
      ACT OF 1974, AS AMENDED (“ERISA”), OR A PLAN OR ARRANGEMENT SUBJECT TO SECTION
      4975 OF THE CODE, OR, IF SUCH PURCHASER IS AN INSURANCE COMPANY, A
      REPRESENTATION IN ACCORDANCE WITH THE PROVISIONS OF THE AGREEMENT REFERRED
      TO
      HEREIN, OR DELIVERS TO THE TRUSTEE AN OPINION OF COUNSEL IN ACCORDANCE WITH
      THE
      PROVISIONS OF THE AGREEMENT REFERRED TO HEREIN. SUCH REPRESENTATION SHALL BE
      DEEMED TO HAVE BEEN MADE TO THE TRUSTEE BY THE TRANSFEREE’S ACCEPTANCE OF A
      CERTIFICATE OF THIS CLASS AND BY A BENEFICIAL OWNER’S ACCEPTANCE OF ITS INTEREST
      IN A CERTIFICATE OF THIS CLASS. NOTWITHSTANDING ANYTHING ELSE TO THE CONTRARY
      HEREIN, ANY PURPORTED TRANSFER OF THIS CERTIFICATE TO OR ON BEHALF OF AN
      EMPLOYEE BENEFIT PLAN SUBJECT TO ERISA OR TO THE CODE WITHOUT THE OPINION OF
      COUNSEL SATISFACTORY TO THE TRUSTEE AS DESCRIBED ABOVE SHALL BE VOID AND OF
      NO
      EFFECT.

     

    
      
        
        

      

      
        C-1

        
          

        

      

      
        
        

      

       

    

    
      	
              Certificate
                No.:

            	 	 	 
	
              Cut-off
                Date:

            	 	 	 
	
              First
                Distribution Date:

            	 	 	 
	
              Initial
                Certificate Balance of this Certificate (“Denominations”):

            	 	$	
            	 
	
              Initial
                Certificate Balances
                of all Certificate
                of this Class:

            	 	$	
            	 
	
              CUSIP:

            	 	 	 	 


    

     

    First
      Horizon Mortgage Pass-Through Trust 2006-4

    Mortgage
      Pass-Through Certificates, Series 2006-4

     

    evidencing
      the distributions allocable to the [Class I-A-R] Certificates with respect
      to a
      Trust Fund consisting primarily of one or more pools of conventional mortgage
      loans (the “Mortgage Loans”) secured by first liens on one- to four-family
      residential properties.

     

    First
      Horizon Asset Securities Inc., as Depositor

     

    Principal
      in respect of this Certificate is distributable monthly as set forth herein.
      Accordingly, the Certificate Balance at any time may be less than the
      Certificate Balance as set forth herein. This Certificate does not evidence
      an
      obligation of, or an interest in, and is not guaranteed by the Depositor, the
      Master Servicer or the Trustee referred to below or any of their respective
      affiliates. Neither this Certificate nor the Mortgage Loans are guaranteed
      or
      insured by any governmental agency or instrumentality.

     

    This
      certifies that _________________ is the registered owner of the Percentage
      Interest (obtained by dividing the denomination of this Certificate by the
      aggregate Initial Certificate Balances of the denominations of all Certificates
      of the Class to which this Certificate belongs) in certain monthly distributions
      with respect to a Trust Fund consisting of the Mortgage Loans deposited by
      First
      Horizon Asset Securities Inc. (the “Depositor”). The Trust Fund was created
      pursuant to a Pooling and Servicing Agreement dated as of the Cut-off Date
      specified above (the “Agreement”) among the Depositor, First Horizon Home Loan
      Corporation, as master servicer (the “Master Servicer”), and The Bank of New
      York, as trustee (the “Trustee”). To the extent not defined herein, the
      capitalized terms used herein have the meanings assigned in the Agreement.
      This
      Certificate is issued under and is subject to the terms, provisions and
      conditions of the Agreement, to which Agreement the Holder of this Certificate
      by virtue of the acceptance hereof assents and by which such Holder is
      bound.

     

    
      
        
        

      

      
        C-2

        
          

        

      

      
        
        

      

    

     

    Any
      distribution of the proceeds of any remaining assets of the Trust Fund will
      be
      made only upon presentment and surrender of this [Class I-A-R] Certificate
      at
      the Corporate Trust Office or the office or agency maintained by the Trustee
      in
      New York, New York. This Class I-A-R Certificate represents an ownership in
      the
      RL Interest, RM Interest and RU Interest, as defined in the
      Agreement

     

    No
      transfer of a [Class I-A-R] Certificate shall be made unless the Trustee shall
      have received either (i) a representation [letter] from the transferee of such
      Certificate, acceptable to and in form and substance satisfactory to the
      Trustee, to the effect that such transferee is not an employee benefit plan
      or
      arrangement subject to Section 406 of ERISA or Section 4975 of the Code, nor
      a
      person acting on behalf of any such plan, which representation letter shall
      not
      be an expense of the Trustee, the Depositor or the Master Servicer, (ii) if
      the
      purchaser is an insurance company, a representation that the purchaser is an
      insurance company which is purchasing such Certificate with funds contained
      in
      an “insurance company general account” (as such term is defined in Section V(e)
      of Prohibited Transaction Class Exemption 95-60 (“PTCE 95-60”)) and that the
      purchase and holding of such Certificate are covered under Sections I and III
      of
      PTCE 95-60 or (iii) in the case of any such Certificate presented for
      registration in the name of an employee benefit plan subject to ERISA or Section
      4975 of the Code (or comparable provisions of any subsequent enactments), or
      a
      trustee of any such plan or any other person acting on behalf of any such plan,
      an Opinion of Counsel satisfactory to the Trustee to the effect that the
      purchase or holding of such Class I-A-R Certificate will not result in
      prohibited transactions under Section 406 of ERISA and Section 4975 of the
      Code
      and will not subject the Trustee, the Depositor and the Master Servicer to
      any
      obligation in addition to those undertaken in the Agreement, which Opinion
      of
      Counsel shall not be an expense of the Trustee, the Depositor or the Master
      Servicer. [Such representation shall be deemed to have been made to the Trustee
      by the Transferee’s acceptance of this Class I-A-R Certificate and by a
      beneficial owner’s acceptance of its interest in such Certificate.]
      Notwithstanding anything else to the contrary herein, any purported transfer
      of
      a Class I-A-R Certificate to or on behalf of an employee benefit plan subject
      to
      ERISA or to the Code without the opinion of counsel satisfactory to the Trustee
      as described above shall be void and of no effect.

     

    Each
      Holder of this [Class I-A-R] Certificate will be deemed to have agreed to be
      bound by the restrictions of the Agreement, including but not limited to the
      restrictions that (i) each person holding or acquiring any Ownership Interest
      in
      this [Class I-A-R] Certificate must be a Permitted Transferee, (ii) no Ownership
      Interest in this [Class I-A-R] Certificate may be transferred without delivery
      to the Trustee of (a) a transfer affidavit of the proposed transferee and (b)
      a
      transfer certificate of the transferor, each of such documents to be in the
      form
      described in the Agreement, (iii) each person holding or acquiring any Ownership
      Interest in this [Class I-A-R] Certificate must agree to require a transfer
      affidavit and to deliver a transfer certificate to the Trustee as required
      pursuant to the Agreement, (iv) each person holding or acquiring an Ownership
      Interest in this [Class I-A-R] Certificate must agree not to transfer an
      Ownership Interest in this [Class I-A-R] Certificate if it has actual knowledge
      that the proposed transferee is not a Permitted Transferee and (v) any attempted
      or purported transfer of any Ownership Interest in this [Class I-A-R]
      Certificate in violation of such restrictions will be absolutely null and void
      and will vest no rights in the purported transferee.

     

    
      
        
        

      

      
        C-3

        
          

        

      

      
        
        

      

    

     

    Reference
      is hereby made to the further provisions of this Certificate set forth on the
      reverse hereof, which further provisions shall for all purposes have the same
      effect as if set forth at this place.

     

    This
      Certificate shall not be entitled to any benefit under the Agreement or be
      valid
      for any purpose unless manually countersigned by an authorized signatory of
      the
      Trustee.

     

    
      
        
        

      

      
        C-4

        
          

        

      

      
        
        

      

    

     

    IN
      WITNESS WHEREOF, the Trustee has caused this Certificate to be duly
      executed.

     

    Dated:
      December __, 2006

    
      	 	 	 
	 	
              THE
                BANK OF NEW YORK,
                not
                  in its individual capacity, but solely as Trustee

              

            
	 
 	 
 	 
 
	
            	By:  	
            
	 	
              

              Authorized
                Signatory of 
                THE
                  BANK OF NEW YORK 
                  not
                    in its individual capacity, 
                    but
                      solely as Trustee

                  

                

              

            


    

     

    
      	
              Countersigned:

            	 	 	 
	
               

               

              By
                

            	 	 	 
	
              
                

              

              Authorized
                Signatory of 
                THE
                  BANK OF NEW YORK, 
                  not
                    in its individual capacity, 
                    but
                      solely as Trustee

                  

                

              

            	 	 	
            


    

     

    
      
        
        

      

      
        C-5

        
          

        

      

      
        
        

      

    

     

    EXHIBIT
      D

     

    [Form
      of
      Reverse of Certificates]

     

    First
      Horizon Mortgage Pass-Through Trust 2006-4

    Mortgage
      Pass-Through Certificates

     

    This
      Certificate is one of a duly authorized issue of Certificates designated as
      First Horizon Mortgage Pass-Through Trust 2006-4 Mortgage Pass-Through
      Certificates, of the Series specified on the face hereof (herein collectively
      called the “Certificates”), and representing a beneficial ownership interest in
      the Trust Fund created by the Agreement.

     

    The
      Certificateholder, by its acceptance of this Certificate, agrees that it will
      look solely to the funds on deposit in the Distribution Account for payment
      hereunder and that the Trustee is not liable to the Certificateholders for
      any
      amount payable under this Certificate or the Agreement or, except as expressly
      provided in the Agreement, subject to any liability under the
      Agreement.

     

    This
      Certificate does not purport to summarize the Agreement and reference is made
      to
      the Agreement for the interests, rights and limitations of rights, benefits,
      obligations and duties evidenced thereby, and the rights, duties and immunities
      of the Trustee.

     

    Pursuant
      to the terms of the Agreement, a distribution will be made on the 25th day
      of
      each month or, if such 25th day is not a Business Day, the Business Day
      immediately following (the “Distribution Date”), commencing on the first
      Distribution Date specified on the face hereof, to the Person in whose name
      this
      Certificate is registered at the close of business on the applicable Record
      Date
      in an amount equal to the product of the Percentage Interest evidenced by this
      Certificate and the amount required to be distributed to Holders of Certificates
      of the Class to which this Certificate belongs on such Distribution Date
      pursuant to the Agreement. The Record Date applicable to each Distribution
      Date
      is the last Business Day of the month next preceding the month of such
      Distribution Date.

     

    Distributions
      on this Certificate shall be made by wire transfer of immediately available
      funds to the account of the Holder hereof at a bank or other entity having
      appropriate facilities therefor, if such Certificateholder shall have so
      notified the Trustee in writing at least five Business Days prior to the related
      Record Date and such Certificateholder shall satisfy the conditions to receive
      such form of payment set forth in the Agreement, or, if not, by check mailed
      by
      first class mail to the address of such Certificateholder appearing in the
      Certificate Register. The final distribution on each Certificate will be made
      in
      like manner, but only upon presentment and surrender of such Certificate at
      the
      Corporate Trust Office or such other location specified in the notice to
      Certificateholders of such final distribution.

     

    The
      Agreement permits, with certain exceptions therein provided, the amendment
      thereof and the modification of the rights and obligations of the Trustee and
      the rights of the Certificateholders under the Agreement at any time by the
      Depositor, the Master Servicer and the Trustee with the consent of the Holders
      of Certificates affected by such amendment evidencing the requisite Percentage
      Interest, as provided in the Agreement. Any such consent by the Holder of this
      Certificate shall be conclusive and binding on such Holder and upon all future
      Holders of this Certificate and of any Certificate issued upon the transfer
      hereof or in exchange therefor or in lieu hereof whether or not notation of
      such
      consent is made upon this Certificate. The Agreement also permits the amendment
      thereof, in certain limited circumstances, without the consent of the Holders
      of
      any of the Certificates.

     

    
      
        
        

      

      
        D-1

        
          

        

      

      
        
        

      

    

     

    As
      provided in the Agreement and subject to certain limitations therein set forth,
      the transfer of this Certificate is registrable in the Certificate Register
      of
      the Trustee upon surrender of this Certificate for registration of transfer
      at
      the Corporate Trust Office or the office or agency maintained by the Trustee
      in
      New York, New York, accompanied by a written instrument of transfer in form
      satisfactory to the Trustee and the Certificate Registrar duly executed by
      the
      holder hereof or such holder’s attorney duly authorized in writing, and
      thereupon one or more new Certificates of the same Class in authorized
      denominations and evidencing the same aggregate Percentage Interest in the
      Trust
      Fund will be issued to the designated transferee or transferees.

     

    The
      Certificates are issuable only as registered Certificates without coupons in
      denominations specified in the Agreement. As provided in the Agreement and
      subject to certain limitations therein set forth, Certificates are exchangeable
      for new Certificates of the same Class in authorized denominations and
      evidencing the same aggregate Percentage Interest, as requested by the Holder
      surrendering the same.

     

    No
      service charge will be made for any such registration of transfer or exchange,
      but the Trustee may require payment of a sum sufficient to cover any tax or
      other governmental charge payable in connection therewith.

     

    The
      Depositor, the Master Servicer and the Trustee and any agent of the Depositor
      or
      the Trustee may treat the Person in whose name this Certificate is registered
      as
      the owner hereof for all purposes, and neither the Depositor, the Trustee,
      nor
      any such agent shall be affected by any notice to the contrary.

     

    On
      any
      Distribution Date on which the aggregate of the Pool Principal Balances of
      both
      Mortgage Pools is less than 10% of the aggregate Cut-off Date Pool Principal
      Balance of both Mortgage Pools, the Master Servicer will have the option to
      repurchase, in whole, from the Trust Fund all remaining Mortgage Loans and
      all
      property acquired in respect of the Mortgage Loans in the Mortgage Pools at
      a
      purchase price determined as provided in the Agreement. In the event that no
      such optional termination occurs, the obligations and responsibilities created
      by the Agreement will terminate upon the later of the maturity or other
      liquidation (or any advance with respect thereto) of the last Mortgage Loan
      remaining in the Trust Fund or the disposition of all property in respect
      thereof and the distribution to Certificateholders of all amounts required
      to be
      distributed pursuant to the Agreement. In no event, however, will the trust
      created by the Agreement continue beyond the expiration of 21 years from the
      death of the last survivor of the descendants living at the date of the
      Agreement of a certain person named in the Agreement.

     

    Any
      term
      used herein that is defined in the Agreement shall have the meaning assigned
      in
      the Agreement, and nothing herein shall be deemed inconsistent with that
      meaning.

     

    
      
        
        

      

      
        D-2

        
          

        

      

      
        
        

      

    

     

    ASSIGNMENT

     

    FOR
      VALUE
      RECEIVED, the undersigned hereby sell(s), assign(s) and transfer(s) unto


     

    ______________________________

    (Please
      insert social security or

    other
      identifying number of assignee)

     

    ________________________________________________________________________

     

    ________________________________________________________________________

    (Please
      print or typewrite name and address

    including
      postal zip code of assignee)

     

    ________________________________________________________________________

    the
      Percentage Interest evidenced by the within Certificate and hereby authorizes
      the transfer of 

    registration
      of such Percentage Interest to assignee on the Certificate Register of the
      Trust
      Fund.

     

    I
      (We)
      further direct the Trustee to issue a new Certificate of a like denomination
      and
      Class, to the above named assignee and deliver such Certificate to the following
      address:

     

    ________________________________________________________________________

     

    ________________________________________________________________________

     

    ________________________________________________________________________

     

    
      	
              Dated: __________________

            	 	 	 
	
            	 	 	
            
	
            	 	 	
              
Signature
              by or on behalf of assignor
	
            	 	 	
            


    

     

    DISTRIBUTION
      INSTRUCTIONS

     

    The
      assignee should include the following for purposes of distribution:

     

    Distributions
      shall be made, by wire transfer or otherwise, in immediately available funds
      to
      ______________________________________, for the account of
      _____________________, account number ___________, or, if mailed by check,
      to
      ___________________________. Applicable statements should be mailed to
      __________________________. 

     

    This
      information is provided by ________________________________________, the
      assignee named above, or _________________, as its agent.

     

    
      
        
        

      

      
        D-3

        
          

        

      

      
        
        

      

    

     

    EXHIBIT
      E

     

    FORM
      OF
      INITIAL CERTIFICATION OF CUSTODIAN

     

    [date]

     

    First
      Horizon Asset Securities Inc. 

    First
      Horizon Home Loan Corporation 

    4000
      Horizon Way 

    Irving,
      Texas 75063

     

    The
      Bank
      of New York 

    101
      Barclay Street, 4W 

    New
      York,
      New York 10286

     

    
      	 	
              Re:

            	
              Custodial
                Agreement dated as of December 28, 2006 by and among The Bank of
                New York,
                as Trustee, First Horizon Home Loan Corporation, as Servicer and
                First
                Tennessee Bank National Association, as
                Custodian

            


    

     

    Gentlemen:

     

    In
      accordance with Section 2 of the above-captioned Custodial Agreement (the
“Custodial Agreement”), the undersigned, as Custodian, hereby certifies that, as
      to each Mortgage Loan listed in the Mortgage Loan Schedule (other than any
      Mortgage Loan listed in the attached schedule), it has received:

     

    (i)
       the
      original Mortgage Note, endorsed as provided in the following form: “Pay to the
      order of ________, without recourse”; and

     

    (ii)
       a
      duly
      executed assignment, or a copy of such assignment certified by the Seller as
      being a true and complete copy of the assignment, of the Mortgage (which may
      be
      included in a blanket assignment or assignments); provided, however, that it
      has
      received no assignment with respect to any Mortgage for which the related
      Mortgaged Property is located in the Commonwealth of Puerto Rico.

     

    Based
      on
      its review and examination and only as to the foregoing documents, such
      documents appear regular on their face and related to such Mortgage
      Loan.

     

    The
      Custodian has made no independent examination of any documents contained in
      each
      Mortgage File beyond the review specifically required in the Custodial
      Agreement. The Custodian makes no representations as to: (i) the validity,
      legality, sufficiency, enforceability or genuineness of any of the documents
      contained in each Mortgage File of any of the Mortgage Loans identified on
      the
      Mortgage Loan Schedule, or (ii) the collectability, insurability, effectiveness
      or suitability of any such Mortgage Loan. 

     

    
      
        
        

      

      
        E-1

        
          

        

      

      
        
        

      

    


    Capitalized
      words and phrases used herein shall have the respective meanings assigned to
      them in the Custodial Agreement.

     

    
      	 	 	FIRST
              TENNESSEE BANK NATIONAL ASSOCIATION,
as
              Custodian
	 	 	 	

	 	 	By:	 
	
            	 	 	
              

            
	
            	 	Name:
	 
	 	 	Title: 	
              

            
	 	 	 	
              
 


    

     

    
      
        
        

      

      
        E-2

        
          

        

      

      
        
        

      

       

    

    EXHIBIT
      F

     

    FORM
      OF
      DELAY DELIVERY CERTIFICATION

     

    [date]

     

    First
      Horizon Asset Securities Inc. 

    First
      Horizon Home Loan Corporation 

    4000
      Horizon Way 

    Irving,
      Texas 75063

     

    The
      Bank
      of New York 

    101
      Barclay Street, 4W 

    New
      York,
      New York 10286

     

    
      	 	
              Re:

            	
              Custodial
                Agreement dated as of December 28, 2006 by and among The Bank of
                New York,
                as Trustee, First Horizon Home Loan Corporation, as Servicer, and
                First
                Tennessee Bank National Association, as
                Custodian

            


    

     

    Ladies
      and Gentlemen:

     

    In
      accordance with Section 3 of the above-captioned Custodial Agreement (the
“Custodial Agreement”), the undersigned, as Custodian, hereby certifies that, as
      to each Delay Delivery Mortgage Loan listed in the Mortgage Loan Schedule (other
      than any Delay Delivery Mortgage Loan listed in the attached schedule), it
      has
      received:

     

    (i) the
      original Mortgage Note, endorsed as provided in the following form: “Pay to the
      order of_______, without recourse”; 

     

    (ii) in
      the
      case of each Mortgage Loan, the original recorded Mortgage, or a copy of such
      Mortgage certified by the Seller as being a true and complete copy of the
      Mortgage, [and in the case of each Mortgage Loan that is a MERS Mortgage Loan,
      the original Mortgage, or a copy of such Mortgage certified by the Seller as
      being a true and complete copy of the Mortgage, noting thereon the presence
      of
      the MIN of the Mortgage Loan and language indicating that the Mortgage Loan
      is a
      MOM Loan if the Mortgage Loan is a MOM Loan, with evidence of recording
      indicated thereon]; and

     

    (iii) in
      the
      case of each Mortgage Loan, a duly executed assignment, or a copy of such
      assignment certified by the Seller as a true and complete copy of the
      assignment, of the Mortgage (which may be included in a blanket assignment
      or
      assignments); provided, however, that it has received no assignment with respect
      to any Mortgage for which the related Mortgage Property is located in the
      Commonwealth of Puerto Rico.

     

    Based
      on
      its review and examination and only as to the foregoing documents, such
      documents appear regular on their face and related to such Delay Delivery
      Mortgage Loan.

     

    
      
        
        

      

      
        F-1

        
          

        

      

      
        
        

      

    

     

    The
      Custodian has made no independent examination of any documents contained in
      each
      Mortgage File beyond the review specifically required in the Custodial
      Agreement. The Custodian makes no representations as to: (i) the validity,
      legality, sufficiency, enforceability or genuineness of any of the documents
      contained in each Mortgage File of any of the Delay Delivery Mortgage Loans
      identified on the Mortgage Loan Schedule, or (ii) the collectability,
      insurability, effectiveness or suitability of any such Delay Delivery Mortgage
      Loan.

     

    Capitalized
      words and phrases used herein shall have the respective meanings assigned to
      them in the above-captioned Custodial Agreement.

     

    
      
        	 	 	FIRST
                TENNESSEE BANK NATIONAL ASSOCIATION,
as
                Custodian
	 	 	 	

	 	 	By:	 
	
              	 	 	
                

              
	
              	 	Name:
	 
	 	 	Title: 	
                
 
	 	 	 	
                
 


      

       

      
        
          
          

        

        
          F-2

          
            

          

        

        
          
          

        

      

    


    EXHIBIT
      G

     

    FORM
      OF
      SUBSEQUENT CERTIFICATION OF CUSTODIAN

     

    [date]

     

    First
      Horizon Asset Securities Inc. 

    First
      Horizon Home Loan Corporation 

    4000
      Horizon Way 

    Irving,
      Texas 75063

     

    The
      Bank
      of New York 

    101
      Barclay Street, 4W 

    New
      York,
      New York 10286

     

    
      	 	
              Re:

            	
              Custodial
                Agreement dated as of December 28, 2006 by and among The Bank of
                New York,
                as Trustee, First Horizon Home Loan Corporation, as Servicer, and
                First
                Tennessee Bank National Association, as
                Custodian

            


    

     

    Ladies
      and Gentlemen:

     

    In
      accordance with Section 3 of the above-captioned Custodial Agreement (the
“Custodial 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 attached exception report) it has
      received, unless otherwise provided in Section 2 of the Custodial
      Agreement:

     

    
      	
            	(A)	
              The
                original Mortgage Note endorsed by manual or facsimile signature
                in blank
                in the following form: “Pay to the order of ____________without recourse,”
                with all intervening endorsements showing a complete chain of endorsements
                from the originator to the Person endorsing the Mortgage Note (each
                such
                endorsement being sufficient to transfer all right, title and interest
                of
                the party so endorsing, as noteholder or assignee thereof, in and
                to that
                Mortgage Note); or

            


    

     

    
      	 	 	
              (B)
                with respect to any Lost Mortgage Note, a lost note affidavit from
                the
                Seller stating that the original Mortgage Note was lost or destroyed,
                together with a copy of such Mortgage
                Note;

            


    

     

    
      	 	
              (ii)

            	
              except
                as provided in Section 2(c) of the Custodial Agreement and for each
                Mortgage Loan that is not a MERS Mortgage Loan, the
                original recorded Mortgage or a copy of such Mortgage certified by
                the
                Seller as being a true and complete copy of the Mortgage, and in
                the case
                of each MERS Mortgage Loan, the original recorded Mortgage, noting
                the
                presence of the MIN of the Mortgage Loans and either language indicating
                that the Mortgage Loan is a MOM Loan if the Mortgage Loan is a MOM
                Loan or
                if the Mortgage Loan was not a MOM Loan at origination, the original
                Mortgage and the assignment thereof to MERS, with evidence of recording
                indicated thereon, or a copy of the Mortgage certified by the Seller
                as
                being a true and complete copy of the Mortgage;

            


    

     

    
      
        
        

      

      
        G-1

        
          

        

      

      
        
        

      

       

    

    
      	 	
              (iii)

            	
              in
                the case of each Mortgage Loan that is not a MERS Mortgage Loan,
                a duly
                executed assignment of the Mortgage, or a copy of such assignment
                certified by the Seller as being a true and complete copy of the
                assignment, in blank (which may be included in a blanket assignment
                or
                assignments), together with, except as provided below, all interim
                recorded assignments, or copies of such interim assignments certified
                by
                the Seller as being true and complete copies of the interim assignments,
                of such Mortgage (each such assignment, when duly and validly completed,
                to be in recordable form and sufficient to effect the assignment
                of and
                transfer to the assignee thereof, under the Mortgage to which the
                assignment relates); provided that, if the related Mortgage has not
                been
                returned from the applicable public recording office, such assignment
                of
                the Mortgage may exclude the information to be provided by the recording
                office;

            


    

     

    
      	 	
              (iv)

            	
              the
                original or copies of each assumption, modification, written assurance
                or
                substitution agreement, if any;

            


    

     

    
      	 	
              (v)

            	
              either
                the original or duplicate original title policy, or a copy of such
                title
                policy certified by the Seller as being a true and complete copy
                of the
                title policy (including all riders thereto), with respect to the
                related
                Mortgaged Property, if available, provided that the title policy
                (including all riders thereto) will be delivered as soon as it becomes
                available, and if the title policy is not available, and to the extent
                required pursuant to the second paragraph below or otherwise in connection
                with the rating of the Certificates, a written commitment or interim
                binder or preliminary report of the title issued by the title insurance
                or
                escrow company with respect to the Mortgaged Property, or in lieu
                thereof,
                an Alternative Title Product or a copy of such Alternative Title
                Product
                certified by the Seller as being a true and complete copy of the
                Alternative Title Product; and

            


    

     

    
      	 	
              (vi)

            	
              in
                the case of a Cooperative Loan, the originals of the following documents
                or instruments:

            


    

     

    
      	 	
              (a)

            	
              The
                Coop Shares, together with a stock power in
                blank;

            


    

     

    
      	 	
              (b)

            	
              The
                executed Security Agreement;

            


    

     

    
      	 	
              (c)

            	
              The
                executed Proprietary Lease;

            


    

     

    
      	 	
              (d)

            	
              The
                executed UCC-1 financing statement with evidence of recording thereon
                which have been filed in all places required to perfect the Seller’s
                interest in the Coop Shares and the Proprietary Lease;
                and

            


    

     

    
      	 	
              (e)

            	
              Executed
                UCC-3 financing statements or their 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).

            


    

     

    
      
        
        

      

      
        G-2

        
          

        

      

      
        
        

      

       

    

    Based
      on
      its review and examination and only as to the foregoing documents, (a) such
      documents appear regular on their face and related to such Mortgage Loan, and
      (b) the information set forth in items (i), (ii), (iii), (iv), (vi) and (xi)
      of
      the definition of the “Mortgage Loan Schedule” in Article I of the Pooling and
      Servicing Agreement accurately reflects information set forth in the Mortgage
      File.

     

    The
      Custodian has made no independent examination of any documents contained in
      each
      Mortgage File beyond the review specifically required in the Custodial
      Agreement. The Custodian makes no representations as to: (i) the validity,
      legality, sufficiency, enforceability or genuineness of any of the documents
      contained in each Mortgage File of any of the Mortgage Loans identified on
      the
      Mortgage Loan Schedule, or (ii) the collectability, insurability, effectiveness
      or suitability of any such Mortgage Loan. Notwithstanding anything herein to
      the
      contrary, the Custodian has made no determination and makes no representations
      as to whether (i) any endorsement is sufficient to transfer all right, title,
      and interest of the party so endorsing, as noteholder or assignee thereof,
      in
      and to that Mortgage Note or (ii) any assignment is in recordable form or
      sufficient to effect the assignment of and transfer to the assignee thereof,
      under the Mortgage to which the assignment relates.

     

    Capitalized
      words and phrases used herein shall have the respective meanings assigned to
      them in the Custodial Agreement.

     

    
      
        
          	 	 	FIRST
                  TENNESSEE BANK NATIONAL ASSOCIATION,
as
                  Custodian
	 	 	 	

	 	 	By:	 
	
                	 	 	
                  

                
	
                	 	Name:
	 
	 	 	Title: 	
                  
 
	 	 	 	
                  
 


        

         

      

    

    
      
        
        

      

      
        G-3

        
          

        

      

      
        
        

      

       

    

    EXHIBIT
      H

     

    TRANSFER
      AFFIDAVIT

     

    First
      Horizon Mortgage Pass-Through Trust 2006-4

    Mortgage
      Pass-Through Certificates

    Series
      2006-4

     

    STATE
      OF                        
)

     

                                        
      ) ss.: 

     

    COUNTY
      OF                     
)

     

    The
      undersigned, being first duly sworn, deposes and says as follows:

     

    1. The
      undersigned is an officer of __________, the proposed Transferee of an Ownership
      Interest in a [Class I-A-R] Certificate (the “Certificate”) issued pursuant to
      the Pooling and Servicing Agreement, (the “Agreement”), relating to the
      above-referenced Series, by and among First Horizon Asset Securities Inc.,
      as
      depositor (the “Depositor”), First Horizon Home Loan Corporation, as master
      servicer, and The Bank of New York, as trustee. Capitalized terms used, but
      not
      defined herein or in Exhibit 1 hereto, shall have the meanings ascribed to
      such
      terms in the Agreement. The Transferee has authorized the undersigned to make
      this affidavit on behalf of the Transferee.

     

    2. The
      Transferee is, as of the date hereof, and will be, as of the date of the
      Transfer, a Permitted Transferee. The Transferee is acquiring its Ownership
      Interest in the Certificate either (i) for its own account or (ii) as nominee,
      trustee or agent for another Person and has attached hereto an affidavit from
      such Person in substantially the same form as this affidavit. The Transferee
      has
      no knowledge that any such affidavit is false. The Transferee does not hold
      REMIC residual interests as nominee to facilitate the clearance and settlement
      of such interests through electronic book-entry changes in accounts of
      participating organizations.

     

    3. The
      Transferee has been advised of, and understands that (i) a tax may be imposed
      on
      Transfers of the Certificate to Persons that are not Permitted Transferees;
      (ii)
      such tax will be imposed on the transferor, or, if such Transfer is through
      an
      agent (which includes a broker, nominee or middleman) for a Person that is
      not a
      Permitted Transferee, on the agent; and (iii) the Person otherwise liable for
      the tax shall be relieved of liability for the tax if the subsequent transferee
      furnished to such Person an affidavit that such subsequent transferee is a
      Permitted Transferee and, at the time of Transfer, such Person does not have
      actual knowledge that the affidavit is false.

     

    4. The
      Transferee has been advised of, and understands that a tax may be imposed on
      a
“pass-through entity” holding the Certificate if at any time during the taxable
      year of the pass-through entity a Person that is not a Permitted Transferee
      is
      the record holder of an interest in such entity. The Transferee understands
      that
      such tax will not be imposed for any period with respect to which the record
      holder furnishes to the pass-through entity an affidavit that such record holder
      is a Permitted Transferee and the pass-through entity does not have actual
      knowledge that such affidavit is false. (For this purpose, a “pass-through
      entity” includes a regulated investment company, a real estate investment trust
      or common trust fund, a partnership, trust or estate, and certain cooperatives
      and, except as may be provided in Treasury Regulations, persons holding
      interests in pass-through entities as a nominee for another
      Person.)

     

    
      
        
        

      

      
        H-1

        
          

        

      

      
        
        

      

    

     

    5. The
      Transferee has reviewed the provisions of Section 5.2(c) of the Agreement
      (attached hereto as Exhibit 2 and incorporated herein by reference) and
      understands the legal consequences of the acquisition of an Ownership Interest
      in the Certificate including, without limitation, the restrictions on subsequent
      Transfers and the provisions regarding voiding the Transfer and mandatory sales.
      The Transferee expressly agrees to be bound by and to abide by the provisions
      of
      Section 5.2(c) of the Agreement and the restrictions noted on the face of the
      Certificate. The Transferee understands and agrees that any breach of any of
      the
      representations included herein shall render the Transfer to the Transferee
      contemplated hereby null and void.

     

    6. The
      Transferee agrees to require a Transfer Affidavit from any Person to whom the
      Transferee attempts to Transfer its Ownership Interest in the Certificate,
      and
      in connection with any Transfer by a Person for whom the Transferee is acting
      as
      nominee, trustee or agent, and the Transferee will not Transfer its Ownership
      Interest or cause any Ownership Interest to be Transferred to any Person that
      the Transferee knows is not a Permitted Transferee. In connection with any
      such
      Transfer by the Transferee, the Transferee agrees to deliver to the Trustee
      a
      certificate substantially in the form set forth as Exhibit I to the Agreement
      (a
“Transferor Certificate”) to the effect that such Transferee has no actual
      knowledge that the Person to which the Transfer is to be made is not a Permitted
      Transferee.

     

    7. The
      Transferee does not have the intention to impede the assessment or collection
      of
      any tax legally required to be paid with respect to the
      Certificate.

     

    8. The
      Transferee’s taxpayer identification number is ______.

     

    9. The
      Transferee is either a U.S. Person as defined in Code Section 7701(a)(30) or
      the
      Transferee has furnished the Transferor a properly completed Internal Revenue
      Service Form W-8ECI..

     

    10. The
      Transferee is aware that the Certificate may represent one or more interests
      in
      a “noneconomic residual interest” within the meaning of Treasury regulations
      promulgated pursuant to the Code and that the transferor of a noneconomic
      residual interest will remain liable for any taxes due with respect to the
      income on such residual interest, unless no significant purpose of the transfer
      was to impede the assessment or collection of tax.

     

    11. The
      Transferee is not an employee benefit plan or arrangement subject to Section
      406
      of ERISA or a plan or arrangement subject to Section 4975 of the Code, nor
      a
      person acting on behalf of any such plan or arrangement, nor using the assets
      of
      any such plan or arrangement to effect such transfer.

     

    12. The
      Transferee has historically paid its debts as they came due and the Transferee
      will continue to pay its debts as they come due in the future; the Transferee
      understands that, as the holder of the Certificate, the Transferee may incur
      tax
      liabilities in excess of any cash flows generated by the Certificate and the
      Transferee intends to pay taxes associated with holding the Certificate as
      they
      become due.

     

    
      
        
        

      

      
        H-2

        
          

        

      

      
        
        

      

    

     

    13. The
      Transferee is a domestic corporation taxable as a regular corporation for U.S.
      federal income tax purposes (a “taxable domestic C corporation”) and is not a
      real estate investment trust, regulated investment company or REMIC. The
      Transferee will not cause income from the Certificate to be attributable, for
      U.S. federal income tax purposes, to a non-U.S. permanent establishment or
      fixed
      base (within the meaning of an applicable income tax treaty) of the Transferee
      or another U.S. taxpayer. At the time of the Transfer, and at the close of
      each
      of the Transferee’s two fiscal years preceding the year of the Transfer, the
      Transferee’s gross assets for financial reporting purposes exceeded $10 million
      (together, the “Asset Requirements”), and the Transferee hereby covenants that
      any subsequent Transfer of its Ownership Interest in the Certificate will be
      to
      another taxable, domestic C corporation satisfying the Asset
      Requirements

     

    IN
      WITNESS WHEREOF, the Transferee has caused this instrument to be executed on
      its
      behalf, pursuant to authority of its Board of Directors, by its duly authorized
      officer and its corporate seal to be hereunto affixed, duly attested, this
      ___
      day of _________, 20__.

     

    
      
        
          	 	 	
                  
Print
                  Name of Transferee
	 	 	 	

	 	 	By:	 
	
                	 	 	
                  

                
	
                	 	Name:
	 
	 	 	Title: 	
                  
 
	 	 	 	
                  
 


        

         

      

    

    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 Transferee, and acknowledged that he executed the
      same
      as his free act and deed and the free act and deed of the
      Transferee.

     

    Subscribed
      and sworn before me this _____ day of ___________, 20____.

     

    
      
        
          
            	 	 	
                    
NOTARY
                    PUBLIC
	 	 	 	

	 	 	My
                    Commission expires the ___ day of 
________________,
                    20___.


          

           

          
            
              
              

            

            
              H-3

              
                

              

            

            
              
              

            

          

        

      

    


    EXHIBIT
      1
      to EXHIBIT H

     

    Certain
      Definitions

     

    “Ownership
      Interest”: As to any Certificate, any ownership interest in such Certificate,
      including any interest in such Certificate as the Holder thereof and any other
      interest therein, whether direct or indirect, legal or beneficial.

     

    “Permitted
      Transferee”: Any Person other than (i) the United States, any State or political
      subdivision thereof, or any agency or instrumentality of any of the foregoing,
      (ii) a foreign government, International Organization or any agency or
      instrumentality of either of the foregoing, (iii) an organization (except
      certain farmers’ cooperatives described in section 521 of the Code) which is
      exempt from tax imposed by Chapter 1 of the Code (including the tax imposed
      by
      section 511 of the Code on unrelated business taxable income) on any excess
      inclusions (as defined in section 860E(c)(l) of the Code) with respect to any
      Certificate, (iv) rural electric and telephone cooperatives described in section
      1381(a)(2)(C) of the Code, (v) an “electing large partnership” as defined in
      section 775 of the Code, (vi) a Person that is not (a) a citizen or resident
      of
      the United States, (b) a corporation, partnership, or other entity created
      or
      organized in or under the laws of the United States, any state thereof or the
      District of Columbia, (c) an estate whose income from sources without the United
      States is includible in gross income for United States federal income tax
      purposes regardless of its connection with the conduct of a trade or business
      within the United States or (d) 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 United States persons have the authority to control all substantial
      decisions of the trust, unless such Person has furnished the transferor and
      the
      Trustee with a duly completed Internal Revenue Service Form W-8ECI or any
      applicable successor form, and (vii) any other Person so designated by the
      Depositor based upon an Opinion of Counsel that the Transfer of an Ownership
      Interest in a Certificate to such Person may cause any REMIC created pursuant
      to
      the Agreement to fail to qualify as a REMIC at any time that the Certificates
      (as defined in the Agreement) are outstanding; provided, however, that if a
      person is classified as a partnership or a disregarded entity under the Code,
      such person shall only be a Permitted Transferee if all of its beneficial owners
      are described in subclauses (a), (b), (c) or (d) of clause (vi) and the
      governing documents of such person prohibits a transfer of any interest in
      such
      person to any person described in clause (vi). The terms “United States,”
“State” and “International Organization” shall have the meanings set forth in
      section 7701 of the Code or successor provisions. A corporation will not be
      treated as an instrumentality of the United States or of any State or political
      subdivision thereof for these purposes if all of its activities are subject
      to
      tax and, with the exception of the Federal Home Loan Mortgage Corporation,
      a
      majority of its board of directors is not selected by such government unit.
      

     

    “Person”:
      Any individual, corporation, partnership, joint venture, association, bank,
      joint-stock company, trust (including any beneficiary thereof), unincorporated
      organization or government or any agency or political subdivision
      thereof.

     

    “Transfer”:
      Any direct or indirect transfer or sale of any Ownership Interest in a
      Certificate, including the acquisition of a Certificate by the
      Depositor.

     

    
      
        
        

      

      
        H-4

        
          

        

      

      
        
        

      

    

     

    “Transferee”:
      Any Person who is acquiring by Transfer any Ownership Interest in a
      Certificate.

     

    
      
        
        

      

      
        H-5

        
          

        

      

      
        
        

      

    


    EXHIBIT
      2
      to EXHIBIT H

     

    Section
      5.2(c) of the Agreement

     

    (c)
       Each
      Person who has or who acquires any Ownership Interest in a Residual Certificate
      shall be deemed by the acceptance or acquisition of such Ownership Interest
      to
      have agreed to be bound by the following provisions, and the rights of each
      Person acquiring any Ownership Interest in a Residual Certificate are expressly
      subject to the following provisions: 

     

    (i) Each
      Person holding or acquiring any Ownership Interest in a Residual Certificate
      shall be a Permitted Transferee and shall promptly notify the Trustee of any
      change or impending change in its status as a Permitted Transferee.

     

    (ii) No
      Ownership Interest in a Residual Certificate may be registered on the Closing
      Date or thereafter transferred, and the Trustee shall not register the Transfer
      of any Residual Certificate unless, in addition to the certificates required
      to
      be delivered to the Trustee under subparagraph (b) above, the Trustee shall
      have
      been furnished with an affidavit (a “Transfer Affidavit”) of the initial owner
      or the proposed transferee in the form attached hereto as Exhibit H. The
      Transferee does not hold REMIC residual interests as nominee to facilitate
      the
      clearance and settlement of such interests through electronic book-entry changes
      in accounts of participating organizations.

     

    (iii) Each
      Person holding or acquiring any Ownership Interest in a Residual Certificate
      shall agree (A) to obtain a Transfer Affidavit from any other Person to whom
      such Person attempts to Transfer its Ownership Interest in a Residual
      Certificate, (B) to obtain a Transfer Affidavit from any Person for whom such
      Person is acting as nominee, trustee or agent in connection with any Transfer
      of
      a Residual Certificate and (C) not to Transfer its Ownership Interest in a
      Residual Certificate or to cause the Transfer of an Ownership Interest in a
      Residual Certificate to any other Person if it has actual knowledge that such
      Person is not a Permitted Transferee. 

     

    (iv) Any
      attempted or purported Transfer of any Ownership Interest in a Residual
      Certificate in violation of the provisions of this Section 5.2(c) shall be
      absolutely null and void and shall vest no rights in the purported Transferee.
      If any purported transferee shall become a Holder of a Residual Certificate
      in
      violation of the provisions of this Section 5.2(c), then the last preceding
      Permitted Transferee shall be restored to all rights as Holder thereof
      retroactive to the date of registration of Transfer of such Residual
      Certificate. The Trustee shall be under no liability to any Person for any
      registration of Transfer of a Residual Certificate that is in fact not permitted
      by Section 5.2(b) and this Section 5.2(c) 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 after receipt of the related Transfer Affidavit, Transferor
      Certificate, and in the case of a Residual Certificate which is also a Private
      Certificate, either the Rule 144A Letter or the Investment Letter. The Trustee
      shall be entitled but not obligated to recover from any Holder of a Residual
      Certificate that was in fact not a Permitted Transferee at the time it became
      a
      Holder or, at such subsequent time as it became other than a Permitted
      Transferee, all payments made on such Residual Certificate at and after either
      such time. Any such payments so recovered by the Trustee shall be paid and
      delivered by the Trustee to the last preceding Permitted Transferee of such
      Certificate.

     

    
      
        
        

      

      
        H-6

        
          

        

      

      
        
        

      

    

     

    (v) The
      Depositor shall use its best efforts to make available, upon receipt of written
      request from the Trustee, all information necessary to compute any tax imposed
      under Section 860E(e) of the Code as a result of a Transfer of an Ownership
      Interest in a Residual Certificate to any Holder who is not a Permitted
      Transferee.

     

    The
      restrictions on Transfers of a Residual Certificate set forth in this Section
      5.2(c) shall cease to apply (and the applicable portions of the legend on a
      Residual Certificate may be deleted) with respect to Transfers occurring after
      delivery to the Trustee of an Opinion of Counsel, which Opinion of Counsel
      shall
      not be an expense of the Trust Fund, the Trustee or the Master Servicer, to
      the
      effect that the elimination of such restrictions will not cause any REMIC
      created hereunder to fail to qualify as a REMIC at any time that the
      Certificates are outstanding or result in the imposition of any tax on the
      Trust
      Fund, a Certificateholder or another Person. Each Person holding or acquiring
      any Ownership Interest in a Residual Certificate hereby consents to any
      amendment of this Agreement which, based on an Opinion of Counsel furnished
      to
      the Trustee, is reasonably necessary (a) to ensure that the record ownership
      of,
      or any beneficial interest in, a Residual Certificate is not transferred,
      directly or indirectly, to a Person that is not a Permitted Transferee and
      (b)
      to provide for a means to compel the Transfer of a Residual Certificate which
      is
      held by a Person that is not a Permitted Transferee to a Holder that is a
      Permitted Transferee. 

     

    
      
        
        

      

      
        H-7

        
          

        

      

      
        
        

      

       

    

    EXHIBIT
      I

     

    FORM
      OF
      TRANSFEROR CERTIFICATE

     

    _______________,
      20___

     

    First
      Horizon Asset Securities Inc. 

    First
      Horizon Home Loan Corporation 

    4000
      Horizon Way 

    Irving,
      Texas 75063

     

    The
      Bank
      of New York 

    101
      Barclay Street, 4W 

    New
      York,
      New York 10286

     

    
      	
            	Re:	
              First
                Horizon Mortgage Pass-Through Trust 2006-4 Mortgage Pass-Through
                Certificates, Series 2006-4, Class  

            


    

     

    Ladies
      and Gentlemen:

     

    In
      connection with our disposition of the above Certificates we certify that (a)
      to
      the extent we are disposing of a Private Certificate, we understand that the
      Private Certificate has not been registered under the Securities Act of 1933,
      as
      amended (the “Act”), and is being disposed of by us in a transaction that is
      exempt from the registration requirements of the Act, (b) we have not offered
      or
      sold any Certificates to, or solicited offers to buy any Certificates from,
      any
      person, or otherwise approached or negotiated with any person with respect
      thereto, in a manner that would be deemed, or taken any other action which
      would
      result in, a violation of Section 5 of the Act, and (c) to the extent we are
      disposing of a Residual Certificate, we have no knowledge the transferee is
      not
      a Permitted Transferee.

     

    Capitalized
      terms used herein shall have the meaning ascribed to such terms in the Pooling
      and Servicing Agreement dated as of December 1, 2006, by and among First Horizon
      Asset Securities Inc., as depositor, First Horizon Home Loan Corporation, as
      master servicer, and The Bank of New York, as trustee, pursuant to which the
      Residual Certificates were issued. 

     

    
      	 	 	Very
              truly yours,
	
            	 	 	 
	
            	 	
              
Print
              Name of Transferor
	
            	 	 	
               

               

            
	 	 	By:	 
	 	 	 	
              

              Authorized
                Officer 

            


    

    


    
      
        
        

      

      
        I-1

        
          

        

      

      
        
        

      

    


    EXHIBIT
      J

     

    FORM
      OF
      INVESTMENT LETTER (NON-RULE 144A)

     

    _____________,
      20___

     

    First
      Horizon Asset Securities Inc. 

    4000
      Horizon Way 

    Irving,
      Texas 75063

     

    The
      Bank
      of New York 

    101
      Barclay Street, 4W 

    New
      York,
      New York 10286 

    Attention:
      Mortgage-Backed Securities Group 

     

    
      	 	
              Re:

            	
              First
                Horizon Mortgage Pass-Through Trust 2006-4 Mortgage Pass-Through
                Certificates, Series 2006-4, Class
                ___

            


    

     

    Ladies
      and Gentlemen:

     

    In
      connection with our acquisition of the above Certificates we certify that (a)
      we
      understand that the Certificates are not being registered under the Securities
      Act of 1933, as amended (the “Act”), or any state securities laws and are being
      transferred to us in a transaction that is exempt from the registration
      requirements of the Act and any such laws, (b) we are an “accredited investor,”
as defined in Regulation D under the Act, and have such knowledge and experience
      in financial and business matters that we are capable of evaluating the merits
      and risks of investments in the Certificates, (c) we have had the opportunity
      to
      ask questions of and receive answers from the Depositor concerning the purchase
      of the Certificates and all matters relating thereto or any additional
      information deemed necessary to our decision to purchase the Certificates,
      (d)
      either (i) we are not an employee benefit plan or arrangement that is subject
      to
      the Employee Retirement Income Security Act of 1974, as amended, or a plan
      or
      arrangement that is subject to Section 4975 of the Internal Revenue Code of
      1986, as amended, nor are we acting on behalf of any such plan or arrangement
      nor are we using the assets of any such plan or arrangement to effect such
      acquisition or (ii) if, in the case of ERISA-Restricted Certificates that have
      been the subject of an ERISA-Qualifying Underwriting, we are an insurance
      company, a representation that we are an insurance company which is purchasing
      such Certificates with funds contained in an “insurance company general account”
(as such term is defined in Section V(e) of Prohibited Transaction Class
      Exemption 95-60 (“PTCE 95-60”)) and that the purchase and holding of such
      Certificates are covered under Sections I and III PTCE 95-60, (e) we are
      acquiring the Certificates for investment for our own account and not with
      a
      view to any distribution of such Certificates (but without prejudice to our
      right at all times to sell or otherwise dispose of the Certificates in
      accordance with clause (g) below), (f) we have not offered or sold any
      Certificates to, or solicited offers to buy any Certificates from, any person,
      or otherwise approached or negotiated with any person with respect thereto,
      or
      taken any other action which would result in a violation of Section 5 of the
      Act, and (g) we will not sell, transfer or otherwise dispose of any Certificates
      unless (1) such sale, transfer or other disposition is made pursuant to an
      effective registration statement under the Act or is exempt from such
      registration requirements, and if requested, we will at our expense provide
      an
      opinion of counsel satisfactory to the addressees of this Certificate that
      such
      sale, transfer or other disposition may be made pursuant to an exemption from
      the Act, (2) the purchaser or transferee of such Certificate has executed and
      delivered to you a certificate to substantially the same effect as this
      certificate, and (3) the purchaser or transferee has otherwise complied with
      any
      conditions for transfer set forth in the Pooling and Servicing
      Agreement.

     

    
      
        
        

      

      
        J-1

        
          

        

      

      
        
        

      

    

     

    
      
        	 	 	Very
                truly yours,
	
              	 	 	 
	
              	 	
                
Print
                Name of Transferor
	
              	 	 	
                 

                 

              
	 	 	By:	 
	 	 	 	
                

                Authorized
                  Officer 

              


      

       

      
        
          
          

        

        
          J-2

          
            

          

        

        
          
          

        

         

      

    

    EXHIBIT
      K


     

    FORM
      OF
      RULE 144A LETTER

     

    ___________,
      20__

     

    First
      Horizon Asset Securities Inc. 

    4000
      Horizon Way 

    Irving,
      Texas 75063

     

    The
      Bank
      of New York 

    101
      Barclay Street, 4W 

    New
      York,
      New York 10286

    Attention:
      Mortgage-Backed Securities Group 

     

    
      	 	
              Re:

            	
              First
                Horizon Mortgage Pass-Through Trust 2006-4 Mortgage Pass-Through
                Certificates, Series 2006-4, Class
                ___

            


    

     

    Ladies
      and Gentlemen:

     

    In
      connection with our acquisition of the above Certificates we certify that (a)
      we
      understand that the Certificates are not being registered under the Securities
      Act of 1933, as amended (the “Act”), or any state securities laws and are being
      transferred to us in a transaction that is exempt from the registration
      requirements of the Act and any such laws, (b) we have such knowledge and
      experience in financial and business matters that we are capable of evaluating
      the merits and risks of investments in the Certificates, (c) we have had the
      opportunity to ask questions of and receive answers from the Depositor
      concerning the purchase of the Certificates and all matters relating thereto
      or
      any additional information deemed necessary to our decision to purchase the
      Certificates, (d) we are not an employee benefit plan or arrangement that is
      subject to the Employee Retirement Income Security Act of 1974, as amended,
      or a
      plan or arrangement that is subject to Section 4975 of the Internal Revenue
      Code
      of 1986, as amended, nor are we acting on behalf of any such plan or arrangement
      nor using the assets of any such plan or arrangement to effect such acquisition,
      (e) if an insurance company, in the case of ERISA-restricted Certificates that
      have been the subject of an ERISA-Qualifying Underwriting, we are purchasing
      the
      Certificates with funds contained in an “insurance company general account” (as
      defined in Section V(e) of Prohibited Transaction Class Exemption 95-60 (“PTCE
      95-60”)) and our purchase and holding of the Certificates are covered under
      Sections I and III of PTCE 95-60, (f) we have not, nor has anyone acting on
      our
      behalf offered, transferred, pledged, sold or otherwise disposed of the
      Certificates, any interest in the Certificates or any other similar security
      to,
      or solicited any offer to buy or accept a transfer, pledge or other disposition
      of the Certificates, any interest in the Certificates or any other similar
      security from, or otherwise approached or negotiated with respect to the
      Certificates, any interest in the Certificates or any other similar security
      with, any person in any manner, or made any general solicitation by means of
      general advertising or in any other manner, or taken any other action, that
      would constitute a distribution of the Certificates under the Act or that would
      render the disposition of the Certificates a violation of Section 5 of the
      Act
      or require registration pursuant thereto, nor will act, nor has authorized
      or
      will authorize any person to act, in such manner with respect to the
      Certificates, (g) we are a “qualified institutional buyer” as that term is
      defined in Rule 144A under the Act (“Rule 144A”) and have completed either of
      the forms of certification to that effect attached hereto as Annex 1 or Annex
      2,
      (h) we are aware that the sale to us is being made in reliance on Rule 144A,
      and
      (i) we are acquiring the Certificates for our own account or for resale pursuant
      to Rule 144A and further, understand that such Certificates may be resold,
      pledged or transferred only (A) to a person reasonably believed to be a
      qualified institutional buyer that purchases for its own account or for the
      account of a qualified institutional buyer to whom notice is given that the
      resale, pledge or transfer is being made in reliance on Rule 144A, or (B)
      pursuant to another exemption from registration under the Act.

     

    
      
        
        

      

      
        K-1

        
          

        

      

      
        
        

      

    

     

    
      
        	 	 	Very
                truly yours,
	
              	 	 	 
	
              	 	
                
Print
                Name of Transferor
	
              	 	 	
                 

                 

              
	 	 	By:	 
	 	 	 	
                

                Authorized
                  Officer 

              


      

      


      
        
          
          

        

        
          K-2

          
            

          

        

        
          
          

        

      

    


    ANNEX
      1
      TO EXHIBIT K

     

    QUALIFIED
      INSTITUTIONAL BUYER STATUS UNDER SEC RULE 144A

     

    [For
      Transferees Other Than Registered Investment Companies]

     

    The
      undersigned (the “Buyer”) hereby certifies as follows to the parties listed in
      the Rule 144A Transferee Certificate to which this certification relates with
      respect to the Certificates described therein:

     

    1.
       As
      indicated below, the undersigned is the President, Chief Financial Officer,
      Senior Vice President or other executive officer of the Buyer.

     

    2.
       In
      connection with purchases by the Buyer, the Buyer is a “qualified institutional
      buyer” as that term is defined in Rule 144A under the Securities Act of 1933, as
      amended (“Rule 144A”) because (i) the Buyer owned and/or invested on a
      discretionary basis $ ______1 
      in
      securities (except for the excluded securities referred to below) as of the
      end
      of the Buyer’s most recent fiscal year (such amount being calculated in
      accordance with Rule 144A and (ii) the Buyer satisfies the criteria in the
      category marked below.

     

    ___ Corporation,
      etc.
      The
      Buyer is a corporation (other than a bank, savings and loan association or
      similar institution), Massachusetts or similar business trust, partnership,
      or
      charitable organization described in Section 501(c)(3) of the Internal Revenue
      Code of 1986, as amended.

     

    ___ Bank.
      The
      Buyer (a) is a national bank or banking institution organized under the laws
      of
      any State, territory or the District of Columbia, the business of which is
      substantially confined to banking and is supervised by the State or territorial
      banking commission or similar official or is a foreign bank or equivalent
      institution, and (b) has an audited net worth of at least $25,000,000 as
      demonstrated in its latest annual financial statements, a
      copy
      of which is attached hereto.

     

    ___ Savings
      and Loan.
      The
      Buyer (a) is a savings and loan association, building and loan association,
      cooperative bank, homestead association or similar institution, which is
      supervised and examined by a State or Federal authority having supervision
      over
      any such institutions or is a foreign savings and loan association or equivalent
      institution and (b) has an audited net worth of at least $25,000,000 as
      demonstrated in its latest annual financial statements, a
      copy
      of which is attached hereto.

     

    ___ Broker-dealer.
      The
      Buyer is a dealer registered pursuant to Section 15 of the Securities Exchange
      Act of 1934.

     

    
      
        

      

      
        	1	
                Buyer
                  must own and/or invest on a discretionary basis at least $100,000,000
                  in
                  securities unless Buyer is a dealer, and, in that case, Buyer must
                  own
                  and/or invest on a discretionary basis at least $10,000,000 in
                  securities.

              


      

       

    

    
      
        
        

      

      
        K-3

        
          

        

      

      
        
        

      

    

     

    ___ Insurance
      Company.
      The
      Buyer is an insurance company whose primary and predominant business activity
      is
      the writing of insurance or the reinsuring of risks underwritten by insurance
      companies and which is subject to supervision by the insurance commissioner
      or a
      similar official or agency of a State, territory or the District of
      Columbia.

     

    ___ State
      or Local Plan.
      The
      Buyer is a plan established and maintained by a State, its political
      subdivisions, or any agency or instrumentality of the State or its political
      subdivisions, for the benefit of its employees.

     

    ___ ERISA
      Plan.
      The
      Buyer is an employee benefit plan within the meaning of Title I of the Employee
      Retirement Income Security Act of 1974.

     

    ___ Investment
      Advisor.
      The
      Buyer is an investment advisor registered under the Investment Advisors Act
      of
      1940.

     

    ___ Small
      Business Investment Company.
      Buyer
      is a small business investment company licensed by the U.S. Small Business
      Administration under Section 301(c) or (d) of the Small Business Investment
      Act
      of 1958.

     

    ___ Business
      Development Company.
      Buyer
      is a business development company as defined in Section 202(a)(22) of the
      Investment Advisors Act of 1940.

     

    3.
       The
      term
“securities”
as
      used
      herein does
      not include
      (i)
      securities of issuers that are affiliated with the Buyer, (ii) securities that
      are part of an unsold allotment to or subscription by the Buyer, if the Buyer
      is
      a dealer, (iii) securities issued or guaranteed by the U.S. or any
      instrumentality thereof, (iv) bank deposit notes and certificates of deposit,
      (v) loan participations, (vi) repurchase agreements, (vii) securities owned
      but
      subject to a repurchase agreement and (viii) currency, interest rate and
      commodity swaps.

     

    4.
       For
      purposes of determining the aggregate amount of securities owned and/or invested
      on a discretionary basis by the Buyer, the Buyer used the cost of such
      securities to the Buyer and did not include any of the securities referred
      to in
      the preceding paragraph, except (i) where the Buyer reports its securities
      holdings in its financial statements on the basis of their market value, and
      (ii) no current information with respect to the cost of those securities has
      been published. If clause (ii) in the preceding sentence applies, the securities
      may be valued at market. Further, in determining such aggregate amount, the
      Buyer may have included securities owned by subsidiaries of the Buyer, but
      only
      if such subsidiaries are consolidated with the Buyer in its financial statements
      prepared in accordance with generally accepted accounting principles and if
      the
      investments of such subsidiaries are managed under the Buyer’s direction.
      However, such securities were not included if the Buyer is a majority-owned,
      consolidated subsidiary of another enterprise and the Buyer is not itself a
      reporting company under the Securities Exchange Act of 1934, as
      amended.

     

    5.
       The
      Buyer
      acknowledges that it is familiar with Rule 144A and understands that the seller
      to it and other parties related to the Certificates are relying and will
      continue to rely on the statements made herein because one or more sales to
      the
      Buyer may be in reliance on Rule 144A.

     

    
      
        
        

      

      
        K-4

        
          

        

      

      
        
        

      

    

     

    6.
       Until
      the
      date of purchase of the Rule 144A Securities, the Buyer will notify each of
      the
      parties to which this certification is made of any changes in the information
      and conclusions herein. Until such notice is given, the Buyer’s purchase of the
      Certificates will constitute a reaffirmation of this certification as of the
      date of such purchase. In addition, if the Buyer is a bank or savings and loan
      is provided above, the Buyer agrees that it will furnish to such parties updated
      annual financial statements promptly after they become available.

     

     

    
      
        
          
            	 	 	
                    
Print
                    Name of Transferee
	 	 	 	

	 	 	By:	 
	
                  	 	 	
                    

                  
	
                  	 	Name:
	 
	 	 	Title:  	
                    
 
	 	 	Date:	
                    
 
	 	 	 	
                    
 


          

           

          
            
              
              

            

            
              K-5

              
                

              

            

            
              
              

            

          

        

      

    


    ANNEX
      2
      TO EXHIBIT K

     

    QUALIFIED
      INSTITUTIONAL BUYER STATUS UNDER SEC RULE 144A

     

    [For
      Transferees That are Registered Investment Companies]

     

    The
      undersigned (the “Buyer”) hereby certifies as follows to the parties listed in
      the Rule 144A Transferee Certificate to which this certification relates with
      respect to the Certificates described therein:

     

    1.
       As
      indicated below, the undersigned is the President, Chief Financial Officer
      or
      Senior Vice President of the Buyer or, if the Buyer is a “qualified
      institutional buyer” as that term is defined in Rule 144A under the Securities
      Act of 1933, as amended (“Rule 144A”) because Buyer is part of a Family of
      Investment Companies (as defined below), is such an officer of the
      Adviser.

     

    2.
       In
      connection with purchases by Buyer, the Buyer is a “qualified institutional
      buyer” as defined in SEC Rule 144A because (i) the Buyer is an investment
      company registered under the Investment Company Act of 1940, as amended and
      (ii)
      as marked below, the Buyer alone, or the Buyer’s Family of Investment Companies,
      owned at least $100,000,000 in securities (other than the excluded securities
      referred to below) as of the end of the Buyer’s most recent fiscal year. For
      purposes of determining the amount of securities owned by the Buyer or the
      Buyer’s Family of Investment Companies, the cost of such securities was used,
      except (i) where the Buyer or the Buyer’s Family of Investment Companies reports
      its securities holdings in its financial statements on the basis of their market
      value, and (ii) no current information with respect to the cost of those
      securities has been published. If clause (ii) in the preceding sentence applies,
      the securities may be valued at market.

     

    ___ The
      Buyer
      owned $ in securities (other than the excluded securities referred to below)
      as
      of the end of the Buyer’s most recent fiscal year (such amount being calculated
      in accordance with Rule 144A).

     

    ___ The
      Buyer
      is part of a Family of Investment Companies which owned in the aggregate $
      in
      securities (other than the excluded securities referred to below) as of the
      end
      of the Buyer’s most recent fiscal year (such amount being calculated in
      accordance with Rule 144A).

     

    3.
       The
      term
“Family
      of Investment Companies”
as
      used
      herein means two or more registered investment companies (or series thereof)
      that have the same investment adviser or investment advisers that are affiliated
      (by virtue of being majority owned subsidiaries of the same parent or because
      one investment adviser is a majority owned subsidiary of the
      other).

     

    4.
       The
      term
“securities”
as
      used
      herein does not include (i) securities of issuers that are affiliated with
      the
      Buyer or are part of the Buyer’s Family of Investment Companies, (ii) securities
      issued or guaranteed by the U.S. or any instrumentality thereof, (iii) bank
      deposit notes and certificates of deposit, (iv) loan participations, (v)
      repurchase agreements, (vi) securities owned but subject to a repurchase
      agreement and (vii) currency, interest rate and commodity swaps.

     

    
      
        
        

      

      
        K-6

        
          

        

      

      
        
        

      

    

     

    5.
       The
      Buyer
      is familiar with Rule 144A and understands that the parties listed in the Rule
      144A Transferee Certificate to which this certification relates are relying
      and
      will continue to rely on the statements made herein because one or more sales
      to
      the Buyer will be in reliance on Rule 144A. In addition, the Buyer will only
      purchase for the Buyer’s own account.

     

    6.
       Until
      the
      date of purchase of the Certificates, the undersigned will notify the parties
      listed in the Rule 144A Transferee Certificate to which this certification
      relates of any changes in the information and conclusions herein. Until such
      notice is given, the Buyer’s purchase of the Certificates will constitute a
      reaffirmation of this certification by the undersigned as of the date of such
      purchase.

    
       

      
        
          
            
              	 	 	
                      
Print
                      Name of Transferee
	 	 	 	

	 	 	By:	 
	
                    	 	 	
                      

                    
	
                    	 	Name:
	 
	 	 	Title:	
                      
 
	 	 	 	
                      
 


            

             

          

        

      

    

    
      	 	 	IF
              AN ADVISER:
	 	 	 	 
	
            	 	
              
Print
              Name of Buyer
	
            	 	 	
            
	 	 	Date:	 
	 	 	 	
              
 


    

     

    
      
        
        

      

      
        K-7

        
          

        

      

      
        
        

      

    


    EXHIBIT
      L

     

    REQUEST
      FOR RELEASE

     

    [Substitution
      of Deleted Mortgage Loans

    or

    Mortgage
      Loans Paid in Full]

     

    ____________________________________
      Mortgage Loan Files

     

    _____________________
      hereby certifies that he/she is an officer of _____________________, holding
      the
      office set forth beneath his/her signature, and hereby further certifies as
      follows:

     

    (Check
      One)

     

    
      	
              o

            	
              With
                respect to the mortgage loans described in the attached schedule,
                each
                such mortgage loan constitutes a “Substitute Mortgage Loan” (as the term
                is defined in the Pooling and Servicing
                Agreement).

            


    

     

    
      	
              o

            	
              With
                respect to the “Mortgage Loans” (as the term is defined in the custodial
                agreement) described in the attached
                schedule:

            


    

     

    All
      payments of principal, premium (if any), and interest have been made with
      respect to the following:

     

    Loan
      Number: _________________________________

     

    Borrower’s
      Name: ______________________________

     

    County:
      ______________________________________

     

    We
      hereby
      certify that all amounts to be received in connection with such payments have
      been received.

     

    ______________________________

     

    Dated:
      ______________________

     

    /
      / Vice
      President

     

    /
      /
      Assistant Vice President

     

    
      
        
        

      

      
        L-1

        
          

        

      

      
        
        

      

       

    

    EXHIBIT
      M

     

    REQUEST
      FOR RELEASE AND RECEIPT

     

    [For
      Servicing and Foreclosure]

     

    _____________________________________
      Mortgage Loan Files

     

    LOAN
      INFORMATION

     

    Name
      of
      Mortgagor:  __________________________________       

     

    Loan
      No.:   __________________________________ 

     

    The
      undersigned hereby acknowledges that it has received from FIRST TENNESSEE BANK
      NATIONAL ASSOCIATION, as Custodian for ____________________ Mortgage Loan Files,
      the documents referred to below (the “Documents”). All capitalized terms not
      otherwise defined in this Request for Release and Receipt shall have the
      meanings ascribed to them in the Custodial Agreement dated as of
      __________________ among ___________________ and FIRST TENNESSEE BANK NATIONAL
      ASSOCIATION, as Custodian (the “Custodial Agreement”).

     

    [complete
      as necessary]

     

    The
      undersigned hereby acknowledges an agrees as follows:

     

    (1) The
      undersigned shall hold and retain possession of the Documents in trust for
      the
      benefit of __________________, solely for the purposes provided in the Custodial
      Agreement.

     

    (2) The
      undersigned shall not cause or permit the Documents to become subject to, or
      encumbered by, any claim, liens, security interest, charges, writs of attachment
      or other impositions nor shall the undersigned assert or seek to assert any
      claims or rights of setoff to or against the Documents or any proceeds
      thereof.

     

    (3) The
      undersigned shall return each and every Document previously requested from
      the
      Mortgage File to the Custodian when the need therefor no longer exists, unless
      the Mortgage Loan relating to the Documents has been liquidated.

     

    Date: _____________________   

     

    
      
        
          
            
              
                	 	 	NAME
	 	 	 	

	 	 	By:	 
	
                      	 	 	
                        

                      
	
                      	 	Name:
	 
	 	 	 	
                        
 
	 	 	Title:	 
	 	 	 	
                        
 


              

               

            

          

        

      

    

    
      
        
        

      

      
        M-1

        
          

        

      

      
        
        

      

    


    EXHIBIT
      N-1

     

    FORM
      OF
      ANNUAL CERTIFICATION

     

    (Subservicer)

     

     

    Re: First
      Horizon Mortgage Pass-Through Trust 2006-4 (the “Trust”),
      Mortgage Pass-Through Certificates, Series 2006-4, issued pursuant to the
      Pooling and Servicing Agreement, dated as of December 1, 2006 (the “Pooling
      and Servicing Agreement”),
      among
      First Horizon Asset Securities Inc., as depositor (the “Depositor”),
      First
      Horizon Home Loan Corporation, as master servicer (the “Master Servicer”) and
      The Bank of New York, as trustee (the “Trustee”)

     

    I,
      [identify the certifying individual], a [title of certifying individual] of
      [name of company] (the “Company”), hereby certify to the Depositor, the Trustee,
      the Master Servicer, and their officers, directors and affiliates, and with
      the
      knowledge and intent that they will rely upon this certification,
      that:

     

    1. I
      have
      reviewed the servicer compliance statement of the Company provided in accordance
      with Item 1123 of Regulation AB (the “Compliance
      Statement”),
      the
      report on assessment of the Company’s compliance with the servicing criteria set
      forth in Item 1122(d) of Regulation AB (the “Servicing
      Criteria”),
      provided in accordance with Rules 13a-18 and 15d-18 under Securities Exchange
      Act of 1934, as amended (the “Exchange
      Act”)
      and
      Item 1122 of Regulation AB (the “Servicing
      Assessment”),
      the
      registered public accounting firm’s attestation report provided in accordance
      with Rules 13a-18 and 15d-18 under the Exchange Act and Section 1122(b) of
      Regulation AB (the “Attestation
      Report”),
      and
      all servicing reports, officer’s certificates and other information relating to
      the servicing of the Mortgage Loans by the Company during 200[ ] that were
      delivered by the Company to the [Depositor] [Master Servicer] [Trustee] pursuant
      to the Pooling and Servicing Agreement (collectively, the “Company
      Servicing Information”);

     

    2. Based
      upon my knowledge, the Company Servicing Information, taken as a whole, does
      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 of time
      covered by the Company Servicing Information;

     

    3. Based
      on
      my knowledge, all of the Company Servicing Information required to be provided
      by the Company under the Pooling and Servicing Agreement has been provided
      to
      the [Depositor] [Master Servicer] [Trustee];

     

    4. I
      am
      responsible for reviewing the activities performed by the Company as a servicer
      under the Pooling and Servicing Agreement, and based on my knowledge and the
      compliance review conducted in preparing the Compliance Statement and except
      as
      disclosed in the Compliance Statement, the Servicing Assessment or the
      Attestation Report, the Company has fulfilled its obligations under the Pooling
      and Servicing Agreement in all material respects; and

     

    
      
        
        

      

      
        N-1-1

        
          

        

      

      
        
        

      

    

     

    5. The
      Compliance Statement required to be delivered by the Company pursuant to the
      Pooling and Servicing Agreement, and the Servicing Assessment and Attestation
      Report required to be provided by the Company and by any Subservicer or
      Subcontractor pursuant to the Pooling and Servicing Agreement, have been
      provided to the [Depositor] [Master Servicer]. Any material instances of
      noncompliance described in such reports have been disclosed to the [Depositor]
      [Master Servicer]. Any material instance of noncompliance with the Servicing
      Criteria has been disclosed in such reports.

     

    
      	 	 	 
	
            	Date: 	
            
	 	 	
              
 
	 	
              

              [Signature]

            
	 	
              [Title]

            


    

     

    
      
        
        

      

      
        N-1-2

        
          

        

      

      
        
        

      

    


    EXHIBIT
      N-2

     

    FORM
      OF
      ANNUAL CERTIFICATION

     

    (Trustee)

     

     

    Re: First
      Horizon Mortgage Pass-Through Trust 2006-4 (the “Trust”),
      Mortgage Pass-Through Certificates, Series 2006-4, issued pursuant to the
      Pooling and Servicing Agreement, dated as of December 1, 2006 (the “Pooling
      and Servicing Agreement”),
      among
      First Horizon Asset Securities Inc., as depositor (the “Depositor”),
      First
      Horizon Home Loan Corporation, as master servicer (the “Master Servicer”) and
      The Bank of New York, as trustee (the “Trustee”)

     

    I,
      [identify the certifying individual], a [title of certifying individual] of
      the
      Trustee, hereby certify to the Depositor, the Master Servicer, and their
      officers, directors and affiliates, and with the knowledge and intent that
      they
      will rely upon this certification, that:

     

    1. I
      have
      reviewed the report on assessment of the Trustee’s compliance with the servicing
      criteria set forth in Item 1122(d) of Regulation AB (the “Servicing
      Criteria”),
      provided in accordance with Rules 13a-18 and 15d-18 under Securities Exchange
      Act of 1934, as amended (the “Exchange
      Act”)
      and
      Item 1122 of Regulation AB (the “Servicing
      Assessment”),
      and
      the registered public accounting firm’s attestation report provided in
      accordance with Rules 13a-18 and 15d-18 under the Exchange Act and Section
      1122(b) of Regulation AB (the “Attestation
      Report”)
      (collectively, the “Trustee
      Information”);

     

    2. Based
      upon my knowledge, the Trustee Information, taken as a whole, does 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 of time
      covered by the Trustee Information;

     

    3. Based
      on
      my knowledge, all of the Trustee Information required to be provided by the
      Trustee under the Pooling and Servicing Agreement has been provided to the
      [Depositor] [Master Servicer];

     

    4. I
      am
      responsible for reviewing the activities performed by the Trustee as trustee
      under the Pooling and Servicing Agreement, and based on my knowledge and the
      compliance review conducted in preparing the Compliance Statement and except
      as
      disclosed in the Servicing Assessment or the Attestation Report, the Trustee
      has
      fulfilled its obligations under the Pooling and Servicing Agreement in all
      material respects; and

     

    
      
        
        

      

      
        N-2-1

        
          

        

      

      
        
        

      

    

     

    5. The
      Servicing Assessment and Attestation Report required to be provided by the
      Trustee pursuant to the Pooling and Servicing Agreement have been provided
      to
      the [Depositor] [Master Servicer]. Any material instances of noncompliance
      described in such reports have been disclosed to the [Depositor] [Master
      Servicer]. Any material instance of noncompliance with the Servicing Criteria
      has been disclosed in such reports.

    
       

      
        	 	 	 
	
              	Date: 	
              
	 	 	
                
 
	 	
                

                [Signature]

              
	 	
                [Title]

              


      

       

      
        
          
          

        

        
          N-2-2

          
            

          

        

        
          
          

        

         

      

    

    EXHIBIT
      O


     

    [FORM
      OF]
      SERVICING CRITERIA TO BE ADDRESSED IN ASSESSMENT OF COMPLIANCE
      STATEMENT

     

    The
      assessment of compliance to be delivered by [the Master Servicer] [Trustee]
      [Name of Subservicer] shall address, at a minimum, the criteria identified
      as
      below as “Applicable Servicing Criteria”:

     

    
      	
              SERVICING
                CRITERIA

            


    

     

    
      	
              Reference

            	 	
              Criteria

            	 	
              Responsible
                Party *

            
	 	 	 	 	 
	 	 	
              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.

            	 	
              Master
                Servicer

              Trustee

            
	 	 	 	 	 
	
              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.

            	 	
              Master
                Servicer

              Trustee

            
	 	 	 	 	 
	
              1122(d)(1)(iii)

            	 	
              Any
                requirements in the transaction agreements to maintain a back-up
                servicer
                for the mortgage loans are maintained.

            	 	
              N/A

            
	 	 	 	 	 
	
              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.

            	 	
              Master
                Servicer

            
	 	 	 	 	 
	 	 	
              Cash
                Collection and Administration

            	 	 
	 	 	 	 	 
	
              1122(d)(2)(i)

            	 	
              Payments
                on mortgage loans 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.

            	 	
              Master/Sub
                Servicer (Certificate Account)

            
	 	 	 	 	 
	
              1122(d)(2)(ii)

            	 	
              Disbursements
                made via wire transfer on behalf of an obligor or to an investor
                are made
                only by authorized personnel.

            	 	
              Master
                Servicer

              Trustee

            
	 	 	 	 	 
	
              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.

            	 	
              Master/Sub
                Servicer

            


    

     

    *Unless otherwise agreed upon by the
      parties. 

     

    
      
        
        

      

      
        O-1

        
          

        

      

      
        
        

      

       

    

    
      	
              1122(d)(2)(iv)

            	 	
              The
                related accounts for the transaction, such as cash reserve accounts
                or
                accounts established as a form of overcollateralization, are separately
                maintained (e.g., with respect to commingling of cash) as set forth
                in the
                transaction agreements.

            	 	
              Master/Sub
                Servicer

              Trustee

            
	 	 	 	 	 
	
              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.

            	 	
              Trustee
                (Distribution Account)*; Master/Sub Servicer (Certificate
                Account)

            
	 	 	 	 	 
	
              1122(d)(2)(vi)

            	 	
              Unissued
                checks are safeguarded so as to prevent unauthorized
                access.

            	 	
              N/A

            
	 	 	 	 	 
	
              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.

            	 	
              Master/Sub
                Servicer

              Trustee

            
	 	 	 	 	 
	 	 	
              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 mortgage loans serviced by the
                Servicer.

            	 	
              Trustee

            
	 	 	 	 	 
	
              1122(d)(3)(ii)

            	 	
              Amounts
                due to investors are allocated and remitted in other terms set forth
                in
                the transaction agreements.

            	 	
              Master
                Servicer

              Trustee

            


    

     

    * Pending further clarification from the SEC.

     

    
      
        
        

      

      
        O-2

        
          

        

      

      
        
        

      

    

     

    
      	
              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.

            	 	
              Trustee

            
	 	 	 	 	 
	
              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.

            	 	
              Trustee

            
	 	 	 	 	 
	 	 	
              Pool
                Asset Administration

            	 	 
	 	 	 	 	 
	
              1122(d)(4)(i)

            	 	
              Collateral
                or security on mortgage loans is maintained as required by the transaction
                agreements or related mortgage loan documents.

            	 	
              Master/Sub
                Servicer

            
	 	 	 	 	 
	
              1122(d)(4)(ii)

            	 	
              Mortgage
                loan and related documents are safeguarded as required by the transaction
                agreements.

            	 	
              Master/Sub
                Servicer

            
	 	 	 	 	 
	
              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.

            	 	
              Master/Sub
                Servicer

            
	 	 	 	 	 
	
              1122(d)(4)(iv)

            	 	
              Payments
                on mortgage loans, including any payoffs, made in accordance with
                the
                related mortgage loan 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 mortgage loan documents.

            	 	
              Master/Sub
                Servicer

            
	 	 	 	 	 
	
              1122(d)(4)(v)

            	 	
              The
                Servicer’s records regarding the mortgage loans agree with the Servicer’s
                records with respect to an obligor’s unpaid principal
                balance.

            	 	
              Master/Sub
                Servicer

            
	 	 	 	 	 
	
              1122(d)(4)(vi)

            	 	
              Changes
                with respect to the terms or status of an obligor’s mortgage loans (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.

            	 	
              Master/Sub
                Servicer

            


    

     

    
      	
              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

            	 	
              Master/Sub
                Servicer

            


    

     

    
      
        
        

      

      
        O-3

        
          

        

      

      
        
        

      

    

     

    
      	
              1122(d)(4)(viii)

            	 	
              Records
                documenting collection efforts are maintained during the period a
                mortgage
                loan 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 mortgage loans including, for
                example,
                phone calls, letters and payment rescheduling plans in cases where
                delinquency is deemed temporary (e.g., illness or
                unemployment).

            	 	
              Master/Sub
                Servicer

            
	 	 	 	 	 
	
              1122(d)(4)(ix)

            	 	
              Adjustments
                to interest rates or rates of return for mortgage loans with variable
                rates are computed based on the related mortgage loan
                documents.

            	 	
              Master/Sub
                Servicer

            
	 	 	 	 	 
	
              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 mortgage loan
                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 mortgage loan
                documents and state laws; and (C) such funds are returned to the
                obligor
                within 30 calendar days of full repayment of the related mortgage
                loans,
                or such other number of days specified in the transaction
                agreements.

            	 	
              Master/Sub
                Servicer

            
	 	 	 	 	 
	
              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.

            	 	
              Master/Sub
                Servicer

            
	 	 	 	 	 
	
              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.

            	 	
              Master/Sub
                Servicer

            
	 	 	 	 	 
	
              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.

            	 	
              Master/Sub

              Servicer

            
	 	 	 	 	 
	
              1122(d)(4)(xiv)

            	 	
              Delinquencies,
                charge-offs and uncollectible accounts are recognized and recorded
                in
                accordance with the transaction agreements.

            	 	
              Master/Sub
                Servicer

            
	 	 	 	 	 
	
              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.

            	 	
              Trustee*;

              Master/Sub
                Servicer

            



      *Solely
        with respect to disbursements to the enhancement provider required by the
        transaction documents.

       

      
        
          
          

        

        
          O-4

          
            

          

        

        
          
          

        

      

       

      
        
          
            
              
                
                  
                    	 	 	
                            [NAME
                              OF MASTER SERVICER] [NAME OF TRUSTEE] [NAME OF CO-TRUSTEE]
                              [SUBSERVICER]

                          
	 	 	 	

	 	 	Date:	 
	 	 	 	 
	 	 	By:	 
	
                          	 	 	
                            

                          
	
                          	 	Name:
	 
	 	 	 	
                            
 
	 	 	Title:	 
	 	 	 	
                            
 


                  

                

              

            

          

        

      

    

     

    
      
        
        

      

      
        O-5

        
          

        

      

      
        
        

      

    


    EXHIBIT
      P

     

    FORM
      OF
      LIST OF ITEM 1119 PARTIES

    ___________
      MORTGAGE PASS-THROUGH TRUST 200_-___

     

    Mortgage
      Pass-Through Certificates,

    Series
      200__-___

     

    
      	
              Party

            	 	
              Contact
                Information

            
	 	 	 


    

     

    
      
        
        

      

      
        P-1

        
          

        

      

      
        
        

      

    

     

    EXHIBIT
      Q

     

    FORM
      OF
      SARBANES-OXLEY CERTIFICATION

    (Replacement
      of the Master Servicer) 

     

     

    I,
      [identify the certifying individual], a [title of certifying individual] of
      First Horizon Home Loan Corporation (the “Company”),
      hereby certify that:

     

    6. I
      have
      reviewed the report on Form 10-K and all reports on Form 10-D required to be
      filed in respect of the period covered by this report on Form 10-K of First
      Horizon Mortgage Pass-Through Trust Series 2006-4 (the “Exchange
      Act Reports”);

     

    7. Based
      upon my knowledge, the Exchange Act 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
      this report;

     

    8. Based
      on
      my knowledge, all of the distribution, servicing and other information required
      to be provided under Form 10-D for the period covered by this report is included
      in the Exchange Act Reports;

     

    9. I
      am
      responsible for reviewing the activities performed by the Company as master
      servicer under the Pooling and Servicing Agreement and, based on my knowledge
      and the compliance review(s) conducted in preparing the servicer compliance
      statement(s) required in this report under Item 1123 of Regulation AB (the
      “Compliance
      Statements”),
      and
      except as disclosed in the Exchange Act Reports, the Company has fulfilled
      its
      obligations as master servicer under the Pooling and Servicing Agreement; and
      

     

    10. All
      of
      the reports on assessment of compliance with servicing criteria for asset-backed
      securities and their related attestation reports on assessment of compliance
      with servicing criteria for asset-backed securities required to be included
      in
      this report in accordance with Item 1122 of Regulation AB and Exchange Act
      Rules
      13a-18 and 15d-18 have been included as an exhibit to this report, except as
      otherwise disclosed in this report. Any material instances of noncompliance
      described in such reports have been disclosed in this report on Form 10-K.
      [In
      giving the certifications above, I have reasonably relied on information
      provided to me by the following unaffiliated parties [name of servicer,
      sub-servicer, co-servicer, depositor or trustee].

     

      	 	 	 
	 	Date: 	
            
	 	
              
                

              

               

               

            
	 	
              

              [Signature]

            
	 	[Title]
              


    

     

    
      
        
        

      

      
        Q-1

        
          

        

      

      
        
        

      

    


    EXHIBIT
      R

     

    PRINCIPAL
      BALANCE SCHEDULES

     

    The
      Principal Balance Schedules have been prepared on the basis of the Structuring
      Assumptions and the assumption that the mortgage loans prepay at the approximate
      constant rates set forth below:

     

    
      	
              Principal
                Balance Schedules
                Reference

            	 	
              Principal
                Balance 

              Schedules
                Type

            	 	
              Related
                Classes

            	 	
              Prepayment
                Assumption Ranges
                and Rates

            
	
              PAC
                Schedule 

            	 	
              Planned
                Balance

            	 	
              Class
                I-A-5, Class I-A-6,

              Class
                I-A-7, Class I-A-8,

              Class
                I-A-9 and

              Class
                I-A-10 Certificates

            	 	
              Between
                125% and 350% PSA

            
	 	 	 	 	 	 	 
	
              TAC
                Schedule 

            	 	
              Targeted
                Balance

            	 	
              Class
                I-A-1, Class I-A-11 and

              Class
                I-A-12 Certificates

            	 	
              350%
                PSA

            


    

     

    There
      is
      no assurance that the Class Certificate Balances of the Classes listed above
      will conform on any Distribution Date to their respective Planned or Targeted
      Balances specified for such Distribution Date in the Principal Balance Schedules
      herein, or that distribution of principal on such Classes will end on the
      respective Distribution Dates specified therein. Because any excess of the
      amount available for distribution of principal of these Classes for any
      Distribution Date over the amount necessary to reduce the Class Certificate
      Balances of such Classes to their respective aggregate Planned or Targeted
      Balances will be distributed in accordance with the distribution rules. The
      ability to so reduce the Class Certificate Balances of such Classes will not
      be
      enhanced by the averaging of high and low principal payments as might be the
      case if any such excess amounts were held for future application and not
      distributed monthly. In addition, even if prepayments remain within the range
      or
      at the constant rate specified above, the amount available for distribution
      of
      principal of these Classes on any Distribution Date may be insufficient to
      reduce such Classes to their respective Planned or Targeted Balances, as
      applicable, if prepayments do not occur at the Prepayment Assumption. Moreover,
      because of the diverse remaining terms to maturity, these Classes may not be
      reduced to their respective Planned or Targeted Balances, even if prepayments
      occur within the range or at the constant rate specified above. 

     

    
      
        
        

      

      
        SCH.-1

        
          

        

      

      
        
        

      

    

     

    
      	
              Distribution
                Date

            	 	
               

              PAC
                Schedule

            	 	
               

              TAC
                Schedule

            	 
	
              Initial
                Balance

            	 	
              $

            	
              158,877,000.00

            	 	
              $

            	
              103,907,000.00

            	 
	
              January
                25, 2007

            	 	 	
              158,560,815.07

            	 	 	
              103,676,517.74

            	 
	
              February
                25, 2007

            	 	 	
              158,179,982.18
                

            	 	 	
              103,330,216.41
                

            	 
	
              March
                25, 2007

            	 	 	
              157,734,664.65
                

            	 	 	
              102,868,031.68
                

            	 
	
              April
                25, 2007

            	 	 	
              157,224,983.32
                

            	 	 	
              102,290,175.23
                

            	 
	
              May
                25, 2007

            	 	 	
              156,651,100.22
                

            	 	 	
              101,597,137.49
                

            	 
	
              June
                25, 2007

            	 	 	
              156,013,218.57
                

            	 	 	
              100,789,689.46
                

            	 
	
              July
                25, 2007

            	 	 	
              155,311,582.74
                

            	 	 	
              99,868,883.71
                

            	 
	
              August
                25, 2007

            	 	 	
              154,546,478.18
                

            	 	 	
              98,836,054.50
                

            	 
	
              September
                25, 2007

            	 	 	
              153,718,231.28
                

            	 	 	
              97,692,816.98
                

            	 
	
              October
                25, 2007

            	 	 	
              152,827,209.21
                

            	 	 	
              96,441,065.45
                

            	 
	
              November
                25, 2007

            	 	 	
              151,873,819.73
                

            	 	 	
              95,082,970.73
                

            	 
	
              December
                25, 2007

            	 	 	
              150,858,510.90
                

            	 	 	
              93,620,976.62
                

            	 
	
              January
                25, 2008

            	 	 	
              149,781,770.78
                

            	 	 	
              92,057,795.41
                

            	 
	
              February
                25, 2008

            	 	 	
              148,644,127.11
                

            	 	 	
              90,396,402.42
                

            	 
	
              March
                25, 2008

            	 	 	
              147,446,146.92
                

            	 	 	
              88,640,029.71
                

            	 
	
              April
                25, 2008

            	 	 	
              146,188,436.08
                

            	 	 	
              86,792,158.84
                

            	 
	
              May
                25, 2008

            	 	 	
              144,871,638.86
                

            	 	 	
              84,856,512.71
                

            	 
	
              June
                25, 2008

            	 	 	
              143,496,437.36
                

            	 	 	
              82,837,046.61
                

            	 
	
              July
                25, 2008

            	 	 	
              142,063,551.03
                

            	 	 	
              80,737,938.32
                

            	 
	
              August
                25, 2008

            	 	 	
              140,573,736.00
                

            	 	 	
              78,563,577.49
                

            	 
	
              September
                25, 2008

            	 	 	
              139,027,784.49
                

            	 	 	
              76,318,554.18
                

            	 
	
              October
                25, 2008

            	 	 	
              137,426,524.13
                

            	 	 	
              74,007,646.59
                

            	 
	
              November
                25, 2008

            	 	 	
              135,770,817.19
                

            	 	 	
              71,635,808.26
                

            	 
	
              December
                25, 2008

            	 	 	
              134,061,559.92
                

            	 	 	
              69,208,154.34
                

            	 
	
              January
                25, 2009

            	 	 	
              132,299,681.65
                

            	 	 	
              66,729,947.49
                

            	 


    

     

    
      
        
        

      

      
        R-1

        
          

        

      

      
        
        

      

    

     

    
      	
              Distribution
                Date

            	 	
               PAC
                Schedule

            	 	
               TAC
                Schedule

            	 
	
              February
                25, 2009

            	 	 	
              130,486,144.05
                

            	 	 	
              64,206,583.00
                

            	 
	
              March
                25, 2009

            	 	 	
              128,621,940.22
                

            	 	 	
              61,643,573.52
                

            	 
	
              April
                25, 2009

            	 	 	
              126,708,093.81
                

            	 	 	
              59,046,533.29
                

            	 
	
              May
                25, 2009

            	 	 	
              124,745,658.07
                

            	 	 	
              56,421,161.90
                

            	 
	
              June
                25, 2009

            	 	 	
              122,796,249.46
                

            	 	 	
              53,874,624.81
                

            	 
	
              July
                25, 2009

            	 	 	
              120,859,783.96
                

            	 	 	
              51,405,186.40
                

            	 
	
              August
                25, 2009

            	 	 	
              118,936,178.09
                

            	 	 	
              49,011,146.42
                

            	 
	
              September
                25, 2009

            	 	 	
              117,025,348.92
                

            	 	 	
              46,690,839.20
                

            	 
	
              October
                25, 2009

            	 	 	
              115,127,214.05
                

            	 	 	
              44,442,633.06
                

            	 
	
              November
                25, 2009

            	 	 	
              113,241,691.62
                

            	 	 	
              42,264,929.56
                

            	 
	
              December
                25, 2009

            	 	 	
              111,368,700.32
                

            	 	 	
              40,156,162.88
                

            	 
	
              January
                25, 2010

            	 	 	
              109,508,159.34
                

            	 	 	
              38,114,799.17
                

            	 
	
              February
                25, 2010

            	 	 	
              107,659,988.42
                

            	 	 	
              36,139,335.89
                

            	 
	
              March
                25, 2010

            	 	 	
              105,824,107.81
                

            	 	 	
              34,228,301.23
                

            	 
	
              April
                25, 2010

            	 	 	
              104,000,438.30
                

            	 	 	
              32,380,253.42
                

            	 
	
              May
                25, 2010

            	 	 	
              102,188,901.17
                

            	 	 	
              30,593,780.27
                

            	 
	
              June
                25, 2010

            	 	 	
              100,389,418.23
                

            	 	 	
              28,867,498.42
                

            	 
	
              July
                25, 2010

            	 	 	
              98,601,911.80
                

            	 	 	
              27,200,052.88
                

            	 
	
              August
                25, 2010

            	 	 	
              96,826,304.69
                

            	 	 	
              25,590,116.46
                

            	 
	
              September
                25, 2010

            	 	 	
              95,062,520.23
                

            	 	 	
              24,036,389.13
                

            	 
	
              October
                25, 2010

            	 	 	
              93,310,482.25
                

            	 	 	
              22,537,597.58
                

            	 
	
              November
                25, 2010

            	 	 	
              91,570,115.07
                

            	 	 	
              21,092,494.63
                

            	 
	
              December
                25, 2010

            	 	 	
              89,841,343.51
                

            	 	 	
              19,699,858.73
                

            	 
	
              January
                25, 2011

            	 	 	
              88,124,092.86
                

            	 	 	
              18,358,493.46
                

            	 
	
              February
                25, 2011

            	 	 	
              86,418,288.94
                

            	 	 	
              17,067,226.96
                

            	 
	
              March
                25, 2011

            	 	 	
              84,723,858.00
                

            	 	 	
              15,824,911.59
                

            	 


    

     

    
      
        
        

      

      
        R-2

        
          

        

      

      
        
        

      

    

     

    
      	
              Distribution
                Date

            	 	
               PAC
                Schedule

            	 	
               TAC
                Schedule

            	 
	
              April
                25, 2011

            	 	 	
              83,040,726.82
                

            	 	 	
              14,630,423.27
                

            	 
	
              May25,
                2011

            	 	 	
              81,368,822.63
                

            	 	 	
              13,482,661.13
                

            	 
	
              June
                25, 2011

            	 	 	
              79,708,073.14
                

            	 	 	
              12,380,547.01
                

            	 
	
              July
                25, 2011

            	 	 	
              78,058,406.53
                

            	 	 	
              11,323,025.00
                

            	 
	
              August
                25, 2011

            	 	 	
              76,419,751.46
                

            	 	 	
              10,309,061.02
                

            	 
	
              September
                25, 2011

            	 	 	
              74,792,037.05
                

            	 	 	
              9,337,642.35
                

            	 
	
              October
                25, 2011

            	 	 	
              73,175,192.87
                

            	 	 	
              8,407,777.24
                

            	 
	
              November
                25, 2011

            	 	 	
              71,569,148.97
                

            	 	 	
              7,518,494.46
                

            	 
	
              December
                25, 2011

            	 	 	
              69,973,835.85
                

            	 	 	
              6,668,842.91
                

            	 
	
              January
                25, 2012

            	 	 	
              68,478,202.50
                

            	 	 	
              6,019,077.23
                

            	 
	
              February
                25, 2012

            	 	 	
              66,992,984.99
                

            	 	 	
              5,405,699.03
                

            	 
	
              March
                25, 2012

            	 	 	
              65,518,115.39
                

            	 	 	
              4,827,823.59
                

            	 
	
              April
                25, 2012

            	 	 	
              64,053,526.26
                

            	 	 	
              4,284,584.67
                

            	 
	
              May
                25, 2012

            	 	 	
              62,599,150.55
                

            	 	 	
              3,775,134.22
                

            	 
	
              June
                25, 2012

            	 	 	
              61,154,921.69
                

            	 	 	
              3,298,641.91
                

            	 
	
              July
                25, 2012

            	 	 	
              59,720,773.53
                

            	 	 	
              2,854,294.87
                

            	 
	
              August
                25, 2012

            	 	 	
              58,296,640.35
                

            	 	 	
              2,441,297.30
                

            	 
	
              September
                25, 2012

            	 	 	
              56,882,456.88
                

            	 	 	
              2,058,870.08
                

            	 
	
              October
                25, 2012

            	 	 	
              55,478,158.24
                

            	 	 	
              1,706,250.56
                

            	 
	
              November
                25, 2012

            	 	 	
              54,083,680.00
                

            	 	 	
              1,382,692.12
                

            	 
	
              December
                25, 2012

            	 	 	
              52,698,958.17
                

            	 	 	
              1,087,463.84
                

            	 
	
              January
                25, 2013

            	 	 	
              51,352,981.84
                

            	 	 	
              868,321.01
                

            	 
	
              February
                25, 2013

            	 	 	
              50,016,493.21
                

            	 	 	
              675,117.06
                

            	 
	
              March
                25, 2013

            	 	 	
              48,689,429.90
                

            	 	 	
              507,177.64
                

            	 
	
              April
                25, 2013

            	 	 	
              47,371,729.94
                

            	 	 	
              363,842.79
                

            	 
	
              May
                25, 2013

            	 	 	
              46,063,331.78
                

            	 	 	
              244,466.65
                

            	 


    

     

    
      
        
        

      

      
        R-3

        
          

        

      

      
        
        

      

    

     

    
      
        	
                Distribution
                  Date

              	 	
                 PAC
                  Schedule

              	 	
                 TAC
                  Schedule

              	 


      

    

    
      	
              June
                25, 2013

            	 	 	
              44,764,174.26
                

            	 	 	
              148,417.23
                

            	 
	
              July
                25, 2013

            	 	 	
              43,474,196.62
                

            	 	 	
              75,076.06
                

            	 
	
              August
                25, 2013

            	 	 	
              42,193,338.53
                

            	 	 	
              23,837.96
                

            	 
	
              September
                25, 2013

            	 	 	
              40,921,540.01
                

            	 	 	
              -
                

            	 
	
              October
                25, 2013

            	 	 	
              39,658,741.50
                

            	 	 	 	 
	
              November
                25, 2013

            	 	 	
              38,416,527.97
                

            	 	 	 	 
	
              December
                25, 2013

            	 	 	
              37,203,006.74
                

            	 	 	 	 
	
              January
                25, 2014

            	 	 	
              36,158,191.79
                

            	 	 	 	 
	
              February
                25, 2014

            	 	 	
              35,137,989.49
                

            	 	 	 	 
	
              March
                25, 2014

            	 	 	
              34,141,866.31
                

            	 	 	 	 
	
              April
                25, 2014

            	 	 	
              33,169,299.80
                

            	 	 	 	 
	
              May
                25, 2014

            	 	 	
              32,219,778.35
                

            	 	 	 	 
	
              June
                25, 2014

            	 	 	
              31,292,800.96
                

            	 	 	 	 
	
              July
                25, 2014

            	 	 	
              30,387,877.06
                

            	 	 	 	 
	
              August
                25, 2014

            	 	 	
              29,504,526.26
                

            	 	 	 	 
	
              September
                25, 2014

            	 	 	
              28,642,278.17
                

            	 	 	 	 
	
              October
                25, 2014

            	 	 	
              27,800,672.19
                

            	 	 	 	 
	
              November
                25, 2014

            	 	 	
              26,979,257.31
                

            	 	 	 	 
	
              December
                25, 2014

            	 	 	
              26,177,591.92
                

            	 	 	 	 
	
              January
                25, 2015

            	 	 	
              25,516,616.38
                

            	 	 	 	 
	
              February
                25, 2015

            	 	 	
              24,871,043.31
                

            	 	 	 	 
	
              March
                25, 2015

            	 	 	
              24,240,532.08
                

            	 	 	 	 
	
              April
                25, 2015

            	 	 	
              23,624,749.34
                

            	 	 	 	 
	
              May
                25, 2015

            	 	 	
              23,023,368.86
                

            	 	 	 	 
	
              June
                25, 2015

            	 	 	
              22,436,071.36
                

            	 	 	 	 
	
              July
                25, 2015

            	 	 	
              21,862,544.42
                

            	 	 	 	 


    

     

    
      
        
        

      

      
        R-4

        
          

        

      

      
        
        

      

    

     

      
        	
                Distribution
                  Date

              	 	
                 PAC
                  Schedule

              	 	
                 TAC
                  Schedule

              	 


      

    

    
      	
              August
                25, 2015

            	 	 	
              21,302,482.29
                

            	 	 	 	 
	
              September
                25, 2015

            	 	 	
              20,755,585.76
                

            	 	 	 	 
	
              October
                25, 2015

            	 	 	
              20,221,562.04
                

            	 	 	 	 
	
              November
                25, 2015

            	 	 	
              19,700,124.61
                

            	 	 	 	 
	
              December
                25, 2015

            	 	 	
              19,190,993.09
                

            	 	 	 	 
	
              January
                25, 2016

            	 	 	
              18,793,543.81
                

            	 	 	 	 
	
              February
                25, 2016

            	 	 	
              18,404,165.81
                

            	 	 	 	 
	
              March
                25, 2016

            	 	 	
              18,022,697.30
                

            	 	 	 	 
	
              April
                25, 2016

            	 	 	
              17,648,979.71
                

            	 	 	 	 
	
              May
                25, 2016

            	 	 	
              17,282,857.59
                

            	 	 	 	 
	
              June
                25, 2016

            	 	 	
              16,924,178.62
                

            	 	 	 	 
	
              July
                25, 2016

            	 	 	
              16,572,793.48
                

            	 	 	 	 
	
              August
                25, 2016

            	 	 	
              16,228,555.83
                

            	 	 	 	 
	
              September
                25, 2016

            	 	 	
              15,891,322.24
                

            	 	 	 	 
	
              October
                25, 2016

            	 	 	
              15,560,952.12
                

            	 	 	 	 
	
              November
                25, 2016

            	 	 	
              15,237,307.68
                

            	 	 	 	 
	
              December
                25, 2016

            	 	 	
              14,910,728.36
                

            	 	 	 	 
	
              January
                25, 2017

            	 	 	
              14,590,926.42
                

            	 	 	 	 
	
              February
                25, 2017

            	 	 	
              14,277,764.05
                

            	 	 	 	 
	
              March
                25, 2017

            	 	 	
              13,971,106.21
                

            	 	 	 	 
	
              April
                25, 2017

            	 	 	
              13,670,820.55
                

            	 	 	 	 
	
              May
                25, 2017

            	 	 	
              13,376,777.40
                

            	 	 	 	 
	
              June
                25, 2017

            	 	 	
              13,088,849.68
                

            	 	 	 	 
	
              July
                25, 2017

            	 	 	
              12,806,912.85
                

            	 	 	 	 
	
              August
                25, 2017

            	 	 	
              12,530,844.90
                

            	 	 	 	 
	
              September
                25, 2017

            	 	 	
              12,260,526.24
                

            	 	 	 	 


    

     

    
      
        
        

      

      
        R-5

        
          

        

      

      
        
        

      

    

     

      
        	
                Distribution
                  Date

              	 	
                 PAC
                  Schedule

              	 	
                 TAC
                  Schedule

              	 


      

    

    
      	
              October
                25, 2017

            	 	 	
              11,995,839.70
                

            	 	 	 	 
	
              November
                25, 2017

            	 	 	
              11,736,670.47
                

            	 	 	 	 
	
              December
                25, 2017

            	 	 	
              11,482,906.03
                

            	 	 	 	 
	
              January
                25, 2018

            	 	 	
              11,234,436.13
                

            	 	 	 	 
	
              February
                25, 2018

            	 	 	
              10,991,152.74
                

            	 	 	 	 
	
              March
                25, 2018

            	 	 	
              10,752,949.99
                

            	 	 	 	 
	
              April
                25, 2018

            	 	 	
              10,519,724.17
                

            	 	 	 	 
	
              May
                25, 2018

            	 	 	
              10,291,373.61
                

            	 	 	 	 
	
              June
                25, 2018

            	 	 	
              10,067,798.73
                

            	 	 	 	 
	
              July
                25, 2018

            	 	 	
              9,848,901.92
                

            	 	 	 	 
	
              August
                25, 2018

            	 	 	
              9,634,587.56
                

            	 	 	 	 
	
              September
                25, 2018

            	 	 	
              9,424,761.95
                

            	 	 	 	 
	
              October
                25, 2018

            	 	 	
              9,219,333.25
                

            	 	 	 	 
	
              November
                25, 2018

            	 	 	
              9,018,211.51
                

            	 	 	 	 
	
              December
                25, 2018

            	 	 	
              8,821,308.56
                

            	 	 	 	 
	
              January
                25, 2019

            	 	 	
              8,628,538.04
                

            	 	 	 	 
	
              February
                25, 2019

            	 	 	
              8,439,815.30
                

            	 	 	 	 
	
              March
                25, 2019

            	 	 	
              8,255,057.40
                

            	 	 	 	 
	
              April
                25, 2019

            	 	 	
              8,074,183.09
                

            	 	 	 	 
	
              May
                25, 2019

            	 	 	
              7,897,112.75
                

            	 	 	 	 
	
              June
                25, 2019

            	 	 	
              7,723,768.36
                

            	 	 	 	 
	
              July
                25, 2019

            	 	 	
              7,554,073.48
                

            	 	 	 	 
	
              August
                25, 2019

            	 	 	
              7,387,953.21
                

            	 	 	 	 
	
              September
                25, 2019

            	 	 	
              7,225,334.16
                

            	 	 	 	 
	
              October
                25, 2019

            	 	 	
              7,066,144.44
                

            	 	 	 	 
	
              November
                25, 2019

            	 	 	
              6,910,313.59
                

            	 	 	 	 


    

     

    
      
        
        

      

      
        R-6

        
          

        

      

      
        
        

      

    

     

      
        	
                Distribution
                  Date

              	 	
                 PAC
                  Schedule

              	 	
                 TAC
                  Schedule

              	 


      

    

    
      	
              December
                25, 2019

            	 	 	
              6,757,772.58
                

            	 	 	 	 
	
              January
                25, 2020

            	 	 	
              6,608,453.78
                

            	 	 	 	 
	
              February
                25, 2020

            	 	 	
              6,462,290.91
                

            	 	 	 	 
	
              March
                25, 2020

            	 	 	
              6,319,219.06
                

            	 	 	 	 
	
              April
                25, 2020

            	 	 	
              6,179,174.60
                

            	 	 	 	 
	
              May
                25, 2020

            	 	 	
              6,042,095.20
                

            	 	 	 	 
	
              June
                25, 2020

            	 	 	
              5,907,919.81
                

            	 	 	 	 
	
              July
                25, 2020

            	 	 	
              5,776,588.58
                

            	 	 	 	 
	
              August
                25, 2020

            	 	 	
              5,648,042.90
                

            	 	 	 	 
	
              September
                25, 2020

            	 	 	
              5,522,225.32
                

            	 	 	 	 
	
              October
                25, 2020

            	 	 	
              5,399,079.59
                

            	 	 	 	 
	
              November
                25, 2020

            	 	 	
              5,278,550.57
                

            	 	 	 	 
	
              December
                25, 2020

            	 	 	
              5,160,584.23
                

            	 	 	 	 
	
              January
                25, 2021

            	 	 	
              5,045,127.67
                

            	 	 	 	 
	
              February
                25, 2021

            	 	 	
              4,932,129.03
                

            	 	 	 	 
	
              March
                25, 2021

            	 	 	
              4,821,537.52
                

            	 	 	 	 
	
              April
                25, 2021

            	 	 	
              4,713,303.38
                

            	 	 	 	 
	
              May
                25, 2021

            	 	 	
              4,607,377.83
                

            	 	 	 	 
	
              June
                25, 2021

            	 	 	
              4,503,713.12
                

            	 	 	 	 
	
              July
                25, 2021

            	 	 	
              4,402,262.45
                

            	 	 	 	 
	
              August
                25, 2021

            	 	 	
              4,302,979.97
                

            	 	 	 	 
	
              September
                25, 2021

            	 	 	
              4,205,820.77
                

            	 	 	 	 
	
              October
                25, 2021

            	 	 	
              4,110,740.83
                

            	 	 	 	 
	
              November
                25, 2021

            	 	 	
              4,017,697.04
                

            	 	 	 	 
	
              December
                25, 2021

            	 	 	
              3,926,647.18
                

            	 	 	 	 
	
              January
                25, 2022

            	 	 	
              3,837,549.86
                

            	 	 	 	 


    

     

    
      
        
        

      

      
        R-7

        
          

        

      

      
        
        

      

    

     

      
        	
                Distribution
                  Date

              	 	
                 PAC
                  Schedule

              	 	
                 TAC
                  Schedule

              	 


      

    

    
      	
              February
                25, 2022

            	 	 	
              3,750,364.56
                

            	 	 	 	 
	
              March
                25, 2022

            	 	 	
              3,665,051.55
                

            	 	 	 	 
	
              April
                25, 2022

            	 	 	
              3,581,571.94
                

            	 	 	 	 
	
              May
                25, 2022

            	 	 	
              3,499,887.62
                

            	 	 	 	 
	
              June
                25, 2022

            	 	 	
              3,419,961.25
                

            	 	 	 	 
	
              July
                25, 2022

            	 	 	
              3,341,756.25
                

            	 	 	 	 
	
              August
                25, 2022

            	 	 	
              3,265,236.80
                

            	 	 	 	 
	
              September
                25, 2022

            	 	 	
              3,190,367.80
                

            	 	 	 	 
	
              October
                25, 2022

            	 	 	
              3,117,114.86
                

            	 	 	 	 
	
              November
                25, 2022

            	 	 	
              3,045,444.29
                

            	 	 	 	 
	
              December
                25, 2022

            	 	 	
              2,975,323.11
                

            	 	 	 	 
	
              January
                25, 2023

            	 	 	
              2,906,718.98
                

            	 	 	 	 
	
              February
                25, 2023

            	 	 	
              2,839,600.25
                

            	 	 	 	 
	
              March
                25, 2023

            	 	 	
              2,773,935.89
                

            	 	 	 	 
	
              April
                25, 2023

            	 	 	
              2,709,695.52
                

            	 	 	 	 
	
              May
                25, 2023

            	 	 	
              2,646,849.38
                

            	 	 	 	 
	
              June
                25, 2023

            	 	 	
              2,585,368.31
                

            	 	 	 	 
	
              July
                25, 2023

            	 	 	
              2,525,223.74
                

            	 	 	 	 
	
              August
                25, 2023

            	 	 	
              2,466,387.71
                

            	 	 	 	 
	
              September
                25, 2023

            	 	 	
              2,408,832.81
                

            	 	 	 	 
	
              October
                25, 2023

            	 	 	
              2,352,532.19
                

            	 	 	 	 
	
              November
                25, 2023

            	 	 	
              2,297,459.56
                

            	 	 	 	 
	
              December
                25, 2023

            	 	 	
              2,243,589.16
                

            	 	 	 	 
	
              January
                25, 2024

            	 	 	
              2,190,895.77
                

            	 	 	 	 
	
              February
                25, 2024

            	 	 	
              2,139,354.66
                

            	 	 	 	 
	
              March
                25, 2024

            	 	 	
              2,088,941.64
                

            	 	 	 	 


    

     

    
      
        
        

      

      
        R-8

        
          

        

      

      
        
        

      

    

     

      
        	
                Distribution
                  Date

              	 	
                 PAC
                  Schedule

              	 	
                 TAC
                  Schedule

              	 


      

    

    
      	
              April
                25, 2024

            	 	 	
              2,039,633.00
                

            	 	 	 	 
	
              May
                25, 2024

            	 	 	
              1,991,405.50
                

            	 	 	 	 
	
              June
                25, 2024

            	 	 	
              1,944,236.41
                

            	 	 	 	 
	
              July
                25, 2024

            	 	 	
              1,898,103.44
                

            	 	 	 	 
	
              August
                25, 2024

            	 	 	
              1,852,984.77
                

            	 	 	 	 
	
              September
                25, 2024

            	 	 	
              1,808,859.02
                

            	 	 	 	 
	
              October
                25, 2024

            	 	 	
              1,765,705.25
                

            	 	 	 	 
	
              November
                25, 2024

            	 	 	
              1,723,502.97
                

            	 	 	 	 
	
              December
                25, 2024

            	 	 	
              1,682,232.07
                

            	 	 	 	 
	
              January
                25, 2025

            	 	 	
              1,641,872.89
                

            	 	 	 	 
	
              February
                25, 2025

            	 	 	
              1,602,406.17
                

            	 	 	 	 
	
              March
                25, 2025

            	 	 	
              1,563,813.03
                

            	 	 	 	 
	
              April
                25, 2025

            	 	 	
              1,526,074.98
                

            	 	 	 	 
	
              May
                25, 2025

            	 	 	
              1,489,173.93
                

            	 	 	 	 
	
              June
                25, 2025

            	 	 	
              1,453,092.15
                

            	 	 	 	 
	
              July
                25, 2025

            	 	 	
              1,417,812.26
                

            	 	 	 	 
	
              August
                25, 2025

            	 	 	
              1,383,317.27
                

            	 	 	 	 
	
              September
                25, 2025

            	 	 	
              1,349,590.52
                

            	 	 	 	 
	
              October
                25, 2025

            	 	 	
              1,316,615.69
                

            	 	 	 	 
	
              November
                25, 2025

            	 	 	
              1,284,376.81
                

            	 	 	 	 
	
              December
                25, 2025

            	 	 	
              1,252,858.23
                

            	 	 	 	 
	
              January
                25, 2026

            	 	 	
              1,222,044.63
                

            	 	 	 	 
	
              February
                25, 2026

            	 	 	
              1,191,921.01
                

            	 	 	 	 
	
              March
                25, 2026

            	 	 	
              1,162,472.66
                

            	 	 	 	 
	
              April
                25, 2026

            	 	 	
              1,133,685.20
                

            	 	 	 	 
	
              May
                25, 2026

            	 	 	
              1,105,544.53
                

            	 	 	 	 


    

     

    
      
        
        

      

      
        R-9

        
          

        

      

      
        
        

      

    

     

      
        	
                Distribution
                  Date

              	 	
                 PAC
                  Schedule

              	 	
                 TAC
                  Schedule

              	 


      

    

    
      	
              June
                25, 2026

            	 	 	
              1,078,036.84
                

            	 	 	 	 
	
              July
                25, 2026

            	 	 	
              1,051,148.62
                

            	 	 	 	 
	
              August
                25, 2026

            	 	 	
              1,024,866.63
                

            	 	 	 	 
	
              September
                25, 2026

            	 	 	
              999,177.91
                

            	 	 	 	 
	
              October
                25, 2026

            	 	 	
              974,069.76
                

            	 	 	 	 
	
              November
                25, 2026

            	 	 	
              949,529.75
                

            	 	 	 	 
	
              December
                25, 2026

            	 	 	
              925,545.71
                

            	 	 	 	 
	
              January
                25, 2027

            	 	 	
              902,105.71
                

            	 	 	 	 
	
              February
                25, 2027

            	 	 	
              879,198.08
                

            	 	 	 	 
	
              March
                25, 2027

            	 	 	
              856,811.40
                

            	 	 	 	 
	
              April
                25, 2027

            	 	 	
              834,934.46
                

            	 	 	 	 
	
              May
                25, 2027

            	 	 	
              813,556.31
                

            	 	 	 	 
	
              June
                25, 2027

            	 	 	
              792,666.20
                

            	 	 	 	 
	
              July
                25, 2027

            	 	 	
              772,253.64
                

            	 	 	 	 
	
              August
                25, 2027

            	 	 	
              752,308.33
                

            	 	 	 	 
	
              September
                25, 2027

            	 	 	
              732,820.20
                

            	 	 	 	 
	
              October
                25, 2027

            	 	 	
              713,779.37
                

            	 	 	 	 
	
              November
                25, 2027

            	 	 	
              695,176.19
                

            	 	 	 	 
	
              December
                25, 2027

            	 	 	
              677,001.19
                

            	 	 	 	 
	
              January
                25, 2028

            	 	 	
              659,245.12
                

            	 	 	 	 
	
              February
                25, 2028

            	 	 	
              641,898.90
                

            	 	 	 	 
	
              March
                25, 2028

            	 	 	
              624,953.66
                

            	 	 	 	 
	
              April
                25, 2028

            	 	 	
              608,400.69
                

            	 	 	 	 
	
              May
                25, 2028

            	 	 	
              592,231.50
                

            	 	 	 	 
	
              June
                25, 2028

            	 	 	
              576,437.73
                

            	 	 	 	 
	
              July
                25, 2028

            	 	 	
              561,011.24
                

            	 	 	 	 


    

     

    
      
        
        

      

      
        R-10

        
          

        

      

      
        
        

      

    

     

      
        	
                Distribution
                  Date

              	 	
                 PAC
                  Schedule

              	 	
                 TAC
                  Schedule

              	 


      

    

    
      	
              August
                25, 2028

            	 	 	
              545,944.03
                

            	 	 	 	 
	
              September
                25, 2028

            	 	 	
              531,228.28
                

            	 	 	 	 
	
              October
                25, 2028

            	 	 	
              516,856.34
                

            	 	 	 	 
	
              November
                25, 2028

            	 	 	
              502,820.70
                

            	 	 	 	 
	
              December
                25, 2028

            	 	 	
              489,114.02
                

            	 	 	 	 
	
              January
                25, 2029

            	 	 	
              475,729.12
                

            	 	 	 	 
	
              February
                25, 2029

            	 	 	
              462,658.96
                

            	 	 	 	 
	
              March
                25, 2029

            	 	 	
              449,896.66
                

            	 	 	 	 
	
              April
                25, 2029

            	 	 	
              437,435.47
                

            	 	 	 	 
	
              May
                25, 2029

            	 	 	
              425,268.79
                

            	 	 	 	 
	
              June
                25, 2029

            	 	 	
              413,390.16
                

            	 	 	 	 
	
              July
                25, 2029

            	 	 	
              401,793.25
                

            	 	 	 	 
	
              August
                25, 2029

            	 	 	
              390,471.87
                

            	 	 	 	 
	
              September
                25, 2029

            	 	 	
              379,419.95
                

            	 	 	 	 
	
              October
                25, 2029

            	 	 	
              368,631.57
                

            	 	 	 	 
	
              November
                25, 2029

            	 	 	
              358,100.90
                

            	 	 	 	 
	
              December
                25, 2029

            	 	 	
              347,822.27
                

            	 	 	 	 
	
              January
                25, 2030

            	 	 	
              337,790.11
                

            	 	 	 	 
	
              February
                25, 2030

            	 	 	
              327,998.97
                

            	 	 	 	 
	
              March
                25, 2030

            	 	 	
              318,443.51
                

            	 	 	 	 
	
              April
                25, 2030

            	 	 	
              309,118.51
                

            	 	 	 	 
	
              May
                25, 2030

            	 	 	
              300,018.87
                

            	 	 	 	 
	
              June
                25, 2030

            	 	 	
              291,139.58
                

            	 	 	 	 
	
              July
                25, 2030

            	 	 	
              282,475.74
                

            	 	 	 	 
	
              August
                25, 2030

            	 	 	
              274,022.56
                

            	 	 	 	 
	
              September
                25, 2030

            	 	 	
              265,775.36
                

            	 	 	 	 


    

     

    
      
        
        

      

      
        R-11

        
          

        

      

      
        
        

      

    

     

      
        	
                Distribution
                  Date

              	 	
                 PAC
                  Schedule

              	 	
                 TAC
                  Schedule

              	 


      

    

    
      	
              October
                25, 2030

            	 	 	
              257,729.53
                

            	 	 	 	 
	
              November
                25, 2030

            	 	 	
              249,880.59
                

            	 	 	 	 
	
              December
                25, 2030

            	 	 	
              242,224.14
                

            	 	 	 	 
	
              January
                25, 2031

            	 	 	
              234,755.87
                

            	 	 	 	 
	
              February
                25, 2031

            	 	 	
              227,471.57
                

            	 	 	 	 
	
              March
                25, 2031

            	 	 	
              220,367.12
                

            	 	 	 	 
	
              April
                25, 2031

            	 	 	
              213,438.48
                

            	 	 	 	 
	
              May
                25, 2031

            	 	 	
              206,681.70
                

            	 	 	 	 
	
              June
                25, 2031

            	 	 	
              200,092.91
                

            	 	 	 	 
	
              July
                25, 2031

            	 	 	
              193,668.35
                

            	 	 	 	 
	
              August
                25, 2031

            	 	 	
              187,404.29
                

            	 	 	 	 
	
              September
                25, 2031

            	 	 	
              181,297.13
                

            	 	 	 	 
	
              October
                25, 2031

            	 	 	
              175,343.31
                

            	 	 	 	 
	
              November
                25, 2031

            	 	 	
              169,539.36
                

            	 	 	 	 
	
              December
                25, 2031

            	 	 	
              163,881.90
                

            	 	 	 	 
	
              January
                25, 2032

            	 	 	
              158,367.59
                

            	 	 	 	 
	
              February
                25, 2032

            	 	 	
              152,993.20
                

            	 	 	 	 
	
              March
                25, 2032

            	 	 	
              147,755.53
                

            	 	 	 	 
	
              April
                25, 2032

            	 	 	
              142,651.48
                

            	 	 	 	 
	
              May
                25, 2032

            	 	 	
              137,677.99
                

            	 	 	 	 
	
              June
                25, 2032

            	 	 	
              132,832.10
                

            	 	 	 	 
	
              July
                25, 2032

            	 	 	
              128,110.87
                

            	 	 	 	 
	
              August
                25, 2032

            	 	 	
              123,511.47
                

            	 	 	 	 
	
              September
                25, 2032

            	 	 	
              119,031.09
                

            	 	 	 	 
	
              October
                25, 2032

            	 	 	
              114,667.01
                

            	 	 	 	 
	
              November
                25, 2032

            	 	 	
              110,416.56
                

            	 	 	 	 


    

     

    
      
        
        

      

      
        R-12

        
          

        

      

      
        
        

      

    

     

      
        	
                Distribution
                  Date

              	 	
                 PAC
                  Schedule

              	 	
                 TAC
                  Schedule

              	 


      

    

    
      	
              December
                25, 2032

            	 	 	
              106,277.11
                

            	 	 	 	 
	
              January
                25, 2033

            	 	 	
              102,246.12
                

            	 	 	 	 
	
              February
                25, 2033

            	 	 	
              98,321.07
                

            	 	 	 	 
	
              March
                25, 2033

            	 	 	
              94,499.53
                

            	 	 	 	 
	
              April
                25, 2033

            	 	 	
              90,779.09
                

            	 	 	 	 
	
              May
                25, 2033

            	 	 	
              87,157.41
                

            	 	 	 	 
	
              June
                25, 2033

            	 	 	
              83,632.20
                

            	 	 	 	 
	
              July
                25, 2033

            	 	 	
              80,201.22
                

            	 	 	 	 
	
              August
                25, 2033

            	 	 	
              76,862.26
                

            	 	 	 	 
	
              September
                25, 2033

            	 	 	
              73,613.20
                

            	 	 	 	 
	
              October
                25, 2033

            	 	 	
              70,451.92
                

            	 	 	 	 
	
              November
                25, 2033

            	 	 	
              67,376.37
                

            	 	 	 	 
	
              December
                25, 2033

            	 	 	
              64,384.54
                

            	 	 	 	 
	
              January
                25, 2034

            	 	 	
              61,474.48
                

            	 	 	 	 
	
              February
                25, 2034

            	 	 	
              58,644.25
                

            	 	 	 	 
	
              March
                25, 2034

            	 	 	
              55,891.98
                

            	 	 	 	 
	
              April
                25, 2034

            	 	 	
              53,215.82
                

            	 	 	 	 
	
              May
                25, 2034

            	 	 	
              50,613.99
                

            	 	 	 	 
	
              June
                25, 2034

            	 	 	
              48,084.72
                

            	 	 	 	 
	
              July
                25, 2034

            	 	 	
              45,626.28
                

            	 	 	 	 
	
              August
                25, 2034

            	 	 	
              43,237.01
                

            	 	 	 	 
	
              September
                25, 2034

            	 	 	
              40,915.25
                

            	 	 	 	 
	
              October
                25, 2034

            	 	 	
              38,659.39
                

            	 	 	 	 
	
              November
                25, 2034

            	 	 	
              36,467.85
                

            	 	 	 	 
	
              December
                25, 2034

            	 	 	
              34,339.11
                

            	 	 	 	 
	
              January
                25, 2035

            	 	 	
              32,271.65
                

            	 	 	 	 


    

     

    
      
        
        

      

      
        R-13

        
          

        

      

      
        
        

      

    

     

      
        	
                Distribution
                  Date

              	 	
                 PAC
                  Schedule

              	 	
                 TAC
                  Schedule

              	 


      

    

    
      	
              February
                25, 2035

            	 	 	
              30,264.01
                

            	 	 	 	 
	
              March
                25, 2035

            	 	 	
              28,314.74
                

            	 	 	 	 
	
              April
                25, 2035

            	 	 	
              26,422.43
                

            	 	 	 	 
	
              May
                25, 2035

            	 	 	
              24,585.72
                

            	 	 	 	 
	
              June
                25, 2035

            	 	 	
              22,803.25
                

            	 	 	 	 
	
              July
                25, 2035

            	 	 	
              21,073.70
                

            	 	 	 	 
	
              August
                25, 2035

            	 	 	
              19,395.80
                

            	 	 	 	 
	
              September
                25, 2035

            	 	 	
              17,768.28
                

            	 	 	 	 
	
              October
                25, 2035

            	 	 	
              16,189.92
                

            	 	 	 	 
	
              November
                25, 2035

            	 	 	
              14,659.51
                

            	 	 	 	 
	
              December
                25, 2035

            	 	 	
              13,175.87
                

            	 	 	 	 
	
              January
                25, 2036

            	 	 	
              11,737.87
                

            	 	 	 	 
	
              February
                25, 2036

            	 	 	
              10,344.36
                

            	 	 	 	 
	
              March
                25, 2036

            	 	 	
              8,994.26
                

            	 	 	 	 
	
              April
                25, 2036

            	 	 	
              7,686.49
                

            	 	 	 	 
	
              May
                25, 2036

            	 	 	
              6,420.01
                

            	 	 	 	 
	
              June
                25, 2036

            	 	 	
              5,193.77
                

            	 	 	 	 
	
              July
                25, 2036

            	 	 	
              4,006.80
                

            	 	 	 	 
	
              August
                25, 2036

            	 	 	
              2,858.09
                

            	 	 	 	 
	
              September
                25, 2036

            	 	 	
              1,746.70
                

            	 	 	 	 
	
              October
                25, 2036

            	 	 	
              671.68
                

            	 	 	 	 
	
              November
                25, 2036

            	 	 	
              -
                

            	 	 	 	 


    

    


    
      
        
        

      

      
        R-14