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POOLING AND SERVICING AGREEMENT

Pooling and Servicing Agreement

POOLING AND SERVICING AGREEMENT | Document Parties: FIRST HORIZON ASSET SECURITIES INC | BANK OF NEW YORK | FIRST HORIZON HOME LOAN CORPORATION You are currently viewing:
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FIRST HORIZON ASSET SECURITIES INC | BANK OF NEW YORK | FIRST HORIZON HOME LOAN CORPORATION

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Title: POOLING AND SERVICING AGREEMENT
Governing Law: New York     Date: 2/3/2005

POOLING AND SERVICING AGREEMENT, Parties: first horizon asset securities inc , bank of new york , first horizon home loan corporation
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                       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 January 1, 2005

              -----------------------------------------------------

          FIRST HORIZON ALTERNATIVE MORTGAGE SECURITIES TRUST 2005-FA1

               MORTGAGE PASS-THROUGH CERTIFICATES, SERIES 2005-FA1

<PAGE>

                                 TABLE OF CONTENTS

                                                                            Page
                                                                            ----

ARTICLE I DEFINITIONS..........................................................5

ARTICLE II CONVEYANCE OF MORTGAGE LOANS; REPRESENTATIONS AND
WARRANTIES....................................................................36
  SECTION 2.1 Conveyance of Mortgage Loans....................................36
  SECTION 2.2 Acceptance by Trustee of the Mortgage Loans.....................40
  SECTION 2.3 Representations and Warranties of the Master
         Servicer;   Covenants of the Seller...................................43
  SECTION 2.4 Representations and Warranties of the Depositor as
         to the Mortgage Loans................................................45
  SECTION 2.5 Delivery of Opinion of Counsel in Connection with
         Substitutions........................................................45
  SECTION 2.6 Execution and Delivery of Certificates..........................46
  SECTION 2.7 REMIC Matters...................................................46
  SECTION 2.8 Covenants of the Master Servicer................................49

ARTICLE III ADMINISTRATION AND SERVICING OF MORTGAGE LOANS....................50
  SECTION 3.1 Master Servicer to Service Mortgage Loans.......................50
  SECTION 3.2 Subservicing; Enforcement of the Obligations of
         Servicers............................................................51
  SECTION 3.3 Rights of the Depositor and the Trustee in Respect
         of the Master Servicer...............................................52
  SECTION 3.4 Trustee to Act as Master Servicer...............................52
  SECTION 3.5 Collection of Mortgage Loan Payments; Certificate
         Account; Distribution Account........................................52
  SECTION 3.6 Collection of Taxes, Assessments and Similar
         Items; Escrow Accounts...............................................56
  SECTION 3.7 Access to Certain Documentation and Information
         Regarding the Mortgage Loans.........................................56
  SECTION 3.8 Permitted Withdrawals from the Certificate Account
         and Distribution Account.............................................57
  SECTION 3.9 Maintenance of Hazard Insurance; Maintenance of
         Primary Insurance Policies...........................................58
  SECTION 3.10 Enforcement of Due-on-Sale Clauses; Assumption
         Agreements...........................................................60
  SECTION 3.11 Realization Upon Defaulted Mortgage Loans;
         Repurchase of Certain Mortgage Loans.................................61
  SECTION 3.12 Trustee to Cooperate; Release of Mortgage Files................64
  SECTION 3.13 Documents Records and Funds in Possession of
         Master Servicer to be Held for the Trustee...........................65
  SECTION 3.14 Master Servicing Compensation..................................65
  SECTION 3.15 Access to Certain Documentation................................66
  SECTION 3.16 Annual Statement as to Compliance..............................66
  SECTION 3.17 Annual Independent Public Accountants' Servicing
         Statement; Financial Statements......................................66
  SECTION 3.18 Errors and Omissions Insurance; Fidelity Bonds.................67

ARTICLE IV DISTRIBUTIONS AND ADVANCES BY THE MASTER SERVICER..................67
  SECTION 4.1 Advances........................................................67
  SECTION 4.2 Priorities of Distribution......................................68


                                       i
<PAGE>

  SECTION 4.3 Method of Distribution..........................................73
  SECTION 4.4 Allocation of Losses............................................74
  SECTION 4.5 Reserved........................................................76
  SECTION 4.6 Monthly Statements to Certificateholders........................76
  SECTION 4.7 [RESERVED]......................................................78
  SECTION 4.8 [RESERVED]......................................................78
  SECTION 4.9 [RESERVED]......................................................78

ARTICLE V THE CERTIFICATES....................................................78
  SECTION 5.1 The Certificates................................................78
  SECTION 5.2 Certificate Register; Registration of Transfer and
         Exchange of Certificates.............................................79
  SECTION 5.3 Mutilated, Destroyed, Lost or Stolen Certificates...............84
  SECTION 5.4 Persons Deemed Owners...........................................84
  SECTION 5.5 Access to List of Certificateholders' Names and
         Addresses............................................................85
  SECTION 5.6 Maintenance of Office or Agency.................................85

ARTICLE VI THE DEPOSITOR AND THE MASTER SERVICER..............................85
  SECTION 6.1 Respective Liabilities of the Depositor and the
         Master Servicer......................................................85
  SECTION 6.2 Merger or Consolidation of the Depositor or the
         Master Servicer......................................................85
  SECTION 6.3 Limitation on Liability of the Depositor, the
         Master Servicer and Others...........................................86
  SECTION 6.4 Limitation on Resignation of Master Servicer....................86

ARTICLE VII DEFAULT...........................................................87
  SECTION 7.1 Events of Default...............................................87
  SECTION 7.2 Trustee to Act; Appointment of Successor........................89
  SECTION 7.3 Notification to Certificateholders..............................90

ARTICLE VIII CONCERNING THE TRUSTEE...........................................90
  SECTION 8.1 Duties of Trustee...............................................90
  SECTION 8.2 Certain Matters Affecting the Trustee...........................92
  SECTION 8.3 Trustee Not Liable for Certificates or Mortgage
         Loans................................................................94
  SECTION 8.4 Trustee May Own Certificates....................................94
  SECTION 8.5 Trustee's Fees and Expenses.....................................94
  SECTION 8.6 Eligibility Requirements for Trustee............................95
  SECTION 8.7 Resignation and Removal of Trustee..............................95
  SECTION 8.8 Successor Trustee...............................................96
  SECTION 8.9 Merger or Consolidation of Trustee..............................96
  SECTION 8.10 Appointment of Co-Trustee or Separate Trustee..................96
  SECTION 8.11 Tax Matters....................................................98
  SECTION 8.12 Periodic Filings..............................................100

ARTICLE IX TERMINATION.......................................................100
  SECTION 9.1 Termination upon Liquidation or Purchase of all
         Mortgage Loans......................................................100
  SECTION 9.2 Final Distribution on the Certificates.........................101
  SECTION 9.3 Additional Termination Requirements............................102

ARTICLE X [RESERVED].........................................................103

ARTICLE XI MISCELLANEOUS PROVISIONS..........................................103
  SECTION 11.1 Amendment.....................................................103


                                       ii
<PAGE>

  SECTION 11.2 Recordation of Agreement; Counterparts........................104
  SECTION 11.3 Governing Law.................................................104
  SECTION 11.4 Intention of Parties..........................................105
  SECTION 11.5 Notices.......................................................105
  SECTION 11.6 Severability of Provisions....................................106
  SECTION 11.7 Assignment....................................................106
  SECTION 11.8 Limitation on Rights of Certificateholders....................107
  SECTION 11.9 Inspection and Audit Rights...................................107
  SECTION 11.10 Certificates Nonassessable and Fully Paid....................108
  SECTION 11.11 Limitations on Actions; No Proceedings.......................108
  SECTION 11.12 Acknowledgment of Seller.....................................108

                                    SCHEDULES

Schedule I:     Mortgage Loan Schedule                                      S-I-1
Schedule II:    Representations and Warranties of the Master Servicer      S-II-1
Schedule III:   Form of Monthly Master Servicer Report                    S-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-2-1
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 Final 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


                                      iii
<PAGE>

      THIS POOLING AND SERVICING   AGREEMENT,   dated as of January 1, 2005, 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 two   separate   REMICs.   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 and Upper   REMIC,   as   described   in Section   2.7.   The   "latest   possible
maturity   date" for federal   income tax purposes of all REMIC regular   interests
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-
<PAGE>

<TABLE>
<CAPTION>
----------------------------------------------------------------------------------------------
                         Initial Class                                                Integral
                          Certificate                               Minimum         Multiples in
  Class Designation           Balance       Pass-Through Rate      Denominations     Excess Minimum
  -----------------           -------       -----------------      -------------     --------------
<S>                      <C>                     <C>                 <C>                <C>    
    Class I-A-1          $ 28,000,000.00         5.500%              $   25,000          $ 1,000
----------------------------------------------------------------------------------------------
    Class I-A-2          $ 59,649,000.00         5.500%              $   25,000          $ 1,000
----------------------------------------------------------------------------------------------
    Class I-A-3          $   7,500,000.00         5.500%              $   25,000          $ 1,000
----------------------------------------------------------------------------------------------
    Class I-A-4          $ 96,257,000.00         5.500%               $   25,000          $ 1,000
----------------------------------------------------------------------------------------------
    Class I-A-5          $ 11,545,000.00         5.500%              $   25,000          $ 1,000
----------------------------------------------------------------------------------------------
    Class I-A-6          $ 52,000,000.00         5.500%              $   25,000          $ 1,000
----------------------------------------------------------------------------------------------
    Class I-A-7          $ 10,150,000.00         5.500%              $   25,000          $ 1,000
----------------------------------------------------------------------------------------------
   Class I-A-PO          $   1,624,632.00            (1)              $   25,000          $ 1,000
----------------------------------------------------------------------------------------------
    Class I-A-R          $         100.00         5.500%              $      100             N/A
----------------------------------------------------------------------------------------------
   Class II-A-1          $ 25,376,000.00         5.000%              $   25,000          $ 1,000
----------------------------------------------------------------------------------------------
   Class II-A-PO         $     361,050.00            (1)              $   25,000          $ 1,000
----------------------------------------------------------------------------------------------
     Class B-1           $   7,216,000.00      variable(2)            $ 100,000          $ 1,000
----------------------------------------------------------------------------------------------
     Class B-2           $   2,763,000.00      variable(2)            $ 100,000          $ 1,000
----------------------------------------------------------------------------------------------
     Class B-3           $   1,535,000.00      variable(2)            $ 100,000          $ 1,000
----------------------------------------------------------------------------------------------
     Class B-4           $   1,228,000.00      variable(2)             $ 100,000          $ 1,000
----------------------------------------------------------------------------------------------
     Class B-5           $   1,075,000.00      variable(2)            $ 100,000          $ 1,000
----------------------------------------------------------------------------------------------
     Class B-6           $     768,576.63      variable(2)            $ 100,000          $ 1,000
----------------------------------------------------------------------------------------------
</TABLE>

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

(2) 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 5.456%.


                                        2-
<PAGE>

Accretion Directed Certificates...........      The Class I-A-6 Certificates.

Accrual Certificates......................      The Class I-A-7 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 all
                                               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.

Floating Rate Certificates................      None.

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-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........................      None.

NAS Certificates..........................      The Class I-A-1 Certificates.

Non-Delay Certificates....................      None.

Notional Certificates.....................      None.

Offered Certificates......................      All Classes of Certificates
                                               other than the Private
                                               Certificates.

Physical Certificates.....................      The Principal Only
                                               Certificates, the Residual
                                                Certificates and the Private
                                               Certificates.

Planned Principal Classes.................      None.

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

Private Certificates......................      The Class B-4, Class B-5 and
                                               Class B-6 Certificates.

Rating Agencies...........................      S&P and Moody's; except that,
                                               for   purposes of the Class
                                               B-1, B-2, Class B-3, Class
                                               B-4     and     Class     B-5
                                                Certificates, S&P shall be
                                               the sole Rating Agency.

Regular Certificates......................      All Classes of Certificates,
                                               other than the Residual
                                               Certificates.


                                       3
<PAGE>

Retail/Lottery Certificates...............      None.

Scheduled Certificates....................      None.

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

Senior Support Certificates...............      None.

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.................      None.

Support Classes...........................      None.

Targeted Principal Classes................      None.

Underwriter...............................      FTN    Financial     Capital
                                               Markets,    a   division   of
                                               First     Tennessee     Bank
                                               National Association.

      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.


                                       4
<PAGE>

                                    ARTICLE I
                                   DEFINITIONS

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

      Accretion Termination Date: For the Accrual   Certificates,   the earlier of
(x) the   Cross-over   Date   and (y) the   Distribution   Date on   which   the   Class
Certificate   Balance of the Accretion Directed   Certificates has been reduced to
zero.

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

      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 of such Class of Certificates   immediately   prior to
such   Distribution   Date, less such Class' share of any Net Interest   Shortfall,
allocable   among the outstanding   Classes of Senior   Certificates of the related
Certificate   Group   based   on   the   Accrued    Certificate    Interest    otherwise
distributable   thereto, and allocable to the Subordinated   Certificates based on
interest accrued on their related Apportioned Principal Balances.

      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.

      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 each
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.


                                       5
<PAGE>

      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 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.

      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;


                                        6
<PAGE>

      (b)    all   Insurance   Proceeds and all   Liquidation   Proceeds   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 related Prepayment Period; and

      (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.


                                       7
<PAGE>

      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.

      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 2005-FA1."

      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 and as of
any   Distribution   Date, the   Certificate   Principal   Balance 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.


                                        8
<PAGE>

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

      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 (5.50% - Adjusted Net
Mortgage   Rate)   divided   by 5.50%,   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 (5.00% - Adjusted
Net Mortgage   Rate) divided by 5.00%,   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.

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

      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.

      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:


                                       9
<PAGE>

            (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 all partial   prepayments   of
      principal for each Mortgage Loan in the related   Mortgage Pool received by
      the Master Servicer during the related Prepayment Period;

            (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 as   applicable,   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   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 all the   Mortgage   Pools with   respect to such   Distribution   Date,
equals or exceeds such percentage calculated as of the Closing Date.

      Closing Date: January 28, 2005.


                                        10
<PAGE>

      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.

      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,   8W, New York,   New York 10286 (Attn:   Corporate   Trust   Mortgage-Backed
Securities   Group,    First   Horizon   Asset   Securities   Inc.   Series   2005-FA1),
facsimile no. (212)   815-3986,   and which is the address to which notices to and
correspondence with the Trustee should be directed.


                                       11
<PAGE>

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

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

      Custodial Agreement:   The Custodial Agreement dated as of January 28, 2005
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: January 1, 2005.

      Cut-off    Date   Pool    Principal    Balance:    With    respect   to   Pool   I,
$280,027,331.53, and with respect to Pool II, $27,021,027.84.

      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.

       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 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.


                                       12
<PAGE>

      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, 5.50%,   and with
respect to Pool II, 5.00%.

      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.

       Discount   Mortgage   Loan:   Any Mortgage Loan in Pool I with a Net Mortgage
Rate of less than   5.50% and any   Mortgage   Loan in Pool II with a Net   Mortgage
Rate of less than 5.00%.

      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 2005-FA1." 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 February 2005.

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

      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 or (iv) any other account   acceptable to each Rating   Agency.   Eligible
Accounts may bear interest,   and may include,   if otherwise qualified under this
definition, accounts maintained with the Trustee.


                                       13
<PAGE>

      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.

      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:   With respect to a Mortgage Pool, 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   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.

      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.


                                       14
<PAGE>

      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.

      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.

      Fitch: Fitch Ratings or any successor thereto. 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.

      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.

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

      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.

      Fraud Loss Coverage Amount: As of the Closing Date, $6,140,967.   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 $3,070,483 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.

      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.


                                       15
<PAGE>

      Index: Not applicable.

      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.

      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
in respect of Insured Expenses.

      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.

      Latest Possible Maturity Date: As to the Group I Senior Certificates, each
Class   of   Subordinated    Certificates   and   each   Lower   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.

      LIBOR Certificates: Not applicable.

      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:   Amounts,   including   Insurance   Proceeds   and   any
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.


                                       16
<PAGE>

      Loan-to-Value   Ratio: With respect to any Mortgage Loan and as to 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(e).

      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 Lower REMIC Interests, the RL Interest and
the RU Interest.

      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.

      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 0.369%.

      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.


                                       17
<PAGE>

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

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

      MLPA I: The Mortgage Loan Purchase Agreement dated as of January 28, 2005,
by and   between   First   Horizon   Home Loan   Corporation,   as   seller,   and First
Tennessee Bank National Association,   as purchaser,   as related to the transfer,
sale and conveyance of the Mortgage Loans.

      MLPA II: The   Mortgage   Loan   Purchase   Agreement   dated as of January 28,
2005, by and between First Tennessee Bank National   Association,   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.

      Moody's:   Moody's Investors Service,   Inc., or any successor   thereto.   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   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;


                                        18
<PAGE>

            (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;

            (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.


                                       19
<PAGE>

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

      NAS Distribution   Percentage:   0% through the Distribution Date in January
2010; 30% of the applicable NAS Percentage   thereafter   through the Distribution
Date in January 2011; 40% of the applicable   NAS Percentage   thereafter   through
the   Distribution   Date in January 2012;   60% of the   applicable   NAS Percentage
thereafter   through the Distribution Date in January 2013; 80% of the applicable
NAS Percentage   thereafter   through the   Distribution   Date in January 2014; and
100% of the applicable NAS Percentage thereafter.

      NAS Percentage:   0% through the Distribution Date in January 2010, 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   Class
Certificate   Balance   of   the   NAS   Certificates    immediately    preceding   such
Distribution   Date by (2) the aggregate Pool   Principal   Balance of the Mortgage
Loans in Pool I (excluding the applicable PO Percentage of the principal balance
of each Discount Mortgage Loan included therein) for such Distribution Date.

      NAS Principal Distribution Amount: For any Distribution Date, the sum of:

      (a)    the total of the amounts   described in clause (1) of the   definition
            of Senior Optimal   Principal Amount for Pool I for such Distribution
            Date   (determined   without the   application   of the   related   Senior
            Percentage)   multiplied by the NAS Percentage for such   Distribution
            Date; and

      (b)    the total of the amounts described in clauses (2) through (5) of the
            definition of Senior   Optimal   Principal   Amount for Pool I for such
            Distribution Date (determined without the application of the related
            Senior   Percentage and Senior Prepayment   Percentage)   multiplied by
            the NAS Distribution Percentage for such Distribution Date.

      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 or 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 Net Mortgage
Rate divided by 5.50%, 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 Net Mortgage
Rate divided by 5.00%, and (b) with respect to each   Non-Discount   Mortgage Loan
in Pool II, 100%.


                                       20
<PAGE>

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

      Non-Discount   Mortgage   Loan:   Any   Mortgage   Loan   in   Pool   I with a Net
Mortgage   Rate that is equal to or greater than 5.50% per annum and any mortgage
loan in Pool II with a Net Mortgage   Rate that is equal to or greater than 5.00%
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: Not applicable.

      Notional Amount Component: Not applicable.

      Notional Certificates: Not applicable.

      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.


                                       21
<PAGE>

      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 Cut-off 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.

      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.

      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.

      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;


                                       22
<PAGE>

            (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;

            (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


                                       23
<PAGE>

            (x)    such other investments   bearing interest or sold at a discount
                  acceptable   to each   Rating   Agency 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.


                                       24
<PAGE>

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

      Physical Certificate: As specified in the Preliminary Statement.

      Planned Balance: Not applicable.

      Planned Principal Classes: Not applicable.

      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.

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

      Pool   Principal   Balance:   For each   Mortgage   Pool,   with   respect to any
Distribution   Date,   the   aggregate   of the   Stated   Principal   Balances   of the
Mortgage   Loans   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.


                                       25
<PAGE>

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

      Principal Balance Schedules: Not applicable.

      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.

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

      Private Certificate: 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.

      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.


                                       26
<PAGE>

      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) the Liquidation Proceeds, if any, received during
the   month   in   which   such   liquidation   occurred,   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.

      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.

      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.

      Relief Act: The   Servicemembers   Civil Relief Act 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.

      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 or Upper REMIC.


                                        27
<PAGE>

      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.

      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,   5.875%   per   annum,   and with
respect to Pool II, 5.375% 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.

      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/Lottery Certificates: Not applicable.

      Retained Yield: As to each Mortgage Loan and any Distribution Date, (i) 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) and
(ii) each prepayment penalty received, if any.

      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.

      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.

      Scheduled Balances: Not applicable.


                                       28
<PAGE>

      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.

      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 MLPA I.

      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 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 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;

            (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 all   partial   Principal   Prepayments   in   respect of each
Mortgage Loan in such Mortgage Pool received   during the   applicable   Prepayment
Period;

            (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
                  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


                                       29
<PAGE>

           (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   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 a 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.

      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 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   I,   included   therein)   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:


                                       30
<PAGE>

--------------------------------------------------------------------------------
PERIOD (DATES INCLUSIVE)            SENIOR PREPAYMENT PERCENTAGE
--------------------------------------------------------------------------------
February 2005 - January 2010        100%
--------------------------------------------------------------------------------
February 2010 - January 2011        the related Senior Percentage plus 70% of the
                                    related Subordinated Percentage
--------------------------------------------------------------------------------
February 2011 - January 2012        the related Senior Percentage plus 60% of the
                                   related Subordinated Percentage
--------------------------------------------------------------------------------
February 2012 - January 2013        the related Senior Percentage plus 40% of the
                                   related Subordinated Percentage
--------------------------------------------------------------------------------
February 2013 - January 2014        the related Senior Percentage plus 20% of the
                                   related Subordinated Percentage
--------------------------------------------------------------------------------
February 2014 and thereafter        the related Senior Percentage
--------------------------------------------------------------------------------

      Notwithstanding the foregoing,   if the Senior Percentage for a Certificate
Group on any   Distribution   Date exceeds the initial Senior   Percentage for that
Certificate   Group, the Senior Prepayment   Percentage for the Certificate Groups
for such Distribution Date will equal 100%.

      In   addition,   no   reduction   of the Senior   Prepayment   Percentage   for a
Certificate   Group   below the level in effect for the most recent   prior   period
specified in the table above shall be effective on any Distribution Date unless,
as of the last day of the month preceding such Distribution Date:

            (1) the aggregate Stated Principal   Balance of Mortgage Loans in all
of 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,   including   REO
Property,   has been   acquired   by the Trust)   does not exceed 50% of the related
Group Subordinate Amount as of such date; and

            (2)   cumulative   aggregate   Realized   Losses in all of the   Mortgage
Pools do not exceed:

                  (a)    30% of the aggregate   Original Group Subordinate   Amount
                        of the Mortgage Pools if such   Distribution   Date occurs
                        between and including February 2010 and January 2011;

                  (b)    35% of the aggregate   Original Group Subordinate   Amount
                        of the Mortgage Pools if such   Distribution   Date occurs
                        between and including February 2011 and January 2012;

                  (c)    40% of the aggregate   Original Group Subordinate   Amount
                        of the Mortgage Pools if such   Distribution   Date occurs
                        between and including February 2012 and January 2013;

                  (d)    45% of the aggregate   Original Group Subordinate   Amount
                        of the Mortgage Pools if such   Distribution   Date occurs
                        between and   including   February   2013 and January 2014;
                         and


                                       31
<PAGE>

                  (e)    50% of the aggregate   Original Group Subordinate   Amount
                        of the Mortgage Pools if such   Distribution   Date occurs
                         during or after February 2014.

      SeniorSupport Certificates: As specified in the Preliminary Statement.

      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.

      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.

      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,   or (ii) any loss caused
by or resulting from:

            (1) normal wear and tear;

            (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";


                                       32
<PAGE>

            (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,   $3,070,483.   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,

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   Corporation,   a   division   of   The   McGraw-Hill
Companies,   Inc.   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.


                                       33
<PAGE>

      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.

      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 of 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
Pool   Principal   Balance for the 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;

            (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 all partial Principal   Prepayments   received in respect of
each   Mortgage Loan in the related   Mortgage Pool during the related   Prepayment
Period,   plus, 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 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


                                       34
<PAGE>

            (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 a
Mortgage Loan in the related   Mortgage Pool that has been replaced by the seller
with a Substitute   Mortgage Loan   pursuant to the   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, 100% minus
the Senior Prepayment Percentage.

      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) 5.50% in the
case of a Deleted   Mortgage   Loan from Pool I, or 5.00% 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: Not applicable.

      Support Classes: Not applicable.


                                       35
<PAGE>

      Targeted Balances: Not applicable.

      Targeted Principal Classes: Not applicable.

      Tax Matters Person:   The person   designated as "tax matters person" in the
manner   provided   under   Treasury    regulation   ss.    1.860F-4(d)   and   Treasury
regulation ss. 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 MLPA II;   (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.

      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(h).

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

      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.

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


                                        36
<PAGE>

      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) 99%
of all Voting   Rights will be allocated   among all Holders of the   Certificates,
other than the Class I-A-R Certificates, in proportion to their then outstanding
Class Certificate   Balance;   and (b) 1.0% of all Voting Rights will be allocated
to 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).

                                   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 MLPA I, 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 MLPA II.

      (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   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 public recording office
                  in which such Mortgage has been recorded;


                                       37
<PAGE>

            (iii) in the case of a   Mortgage   Loan   that is not a MERS   Mortgage
                  Loan,   a duly   executed   assignment   of the   Mortgage in blank
                  (which    may   be    included    in   a   blanket    assignment    or
                  assignments),   together with,   except as provided   below,   all
                  interim   recorded   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
                  (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, 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 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).


                                       38
<PAGE>

      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.

      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.    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.


                                       39
<PAGE>

      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
2005-FA1, 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.


                                       40
<PAGE>

            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.

      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 Final   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 Final   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,   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(R)   System   in
accordance   with MERS' rules and   regulations or (ii) cause MERS to designate on
the MERS(R) System the Seller as the beneficial holder of such Mortgage Loan.


                                        41
<PAGE>

      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 (with   respect to which
the Seller has made in MLPA I, among other   representations   and   warranties,   a
representation   and   warranty   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 MLPA I, are required to conform to,
among other representations and warranties, a representation and warranty of the
Seller   set forth in MLPA I 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.


                                       42
<PAGE>

            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 MLPA I
            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 MLPA I 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 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.


                                       43
<PAGE>

      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
MLPA I 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 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.

      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.


                                       44
<PAGE>

      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 MLPA II 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.

      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 MLPA I 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.


                                       45
<PAGE>

            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.

            SECTION 2.7 REMIC Matters.

      The Preliminary