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POOLING AND SERVICING AGREEMENT

Pooling and Servicing Agreement

POOLING AND SERVICING AGREEMENT | Document Parties: CREDIT SUISSE FIRST BOSTON MORTGAGE SECURITIES CORP | CAPMARK FINANCE INC., | MIDLAND LOAN SERVICES, INC., | WELLS FARGO BANK, N.A., You are currently viewing:
This Pooling and Servicing Agreement involves

CREDIT SUISSE FIRST BOSTON MORTGAGE SECURITIES CORP | CAPMARK FINANCE INC., | MIDLAND LOAN SERVICES, INC., | WELLS FARGO BANK, N.A.,

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Title: POOLING AND SERVICING AGREEMENT
Governing Law: New York     Date: 4/2/2007

POOLING AND SERVICING AGREEMENT, Parties: credit suisse first boston mortgage securities corp , capmark finance inc.  , midland loan services  inc.  , wells fargo bank  n.a.
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                                                                     EXHIBIT 4.1



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              CREDIT SUISSE FIRST BOSTON MORTGAGE SECURITIES CORP.,
                                   as Depositor,

                              CAPMARK FINANCE INC.,
                               as Master Servicer,

                          MIDLAND LOAN SERVICES, INC.,
                              as Special Servicer,

                                        and

                             WELLS FARGO BANK, N.A.,
                                   as Trustee,

                         POOLING AND SERVICING AGREEMENT

                            Dated as of March 1, 2007

                                  $3,371,478,040

                  Commercial Mortgage Pass-Through Certificates
                                 Series 2007-C1


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<PAGE>


                                 TABLE OF CONTENTS

Section

                                    ARTICLE I

              DEFINITIONS; GENERAL INTERPRETIVE PRINCIPLES; CERTAIN
                  CALCULATIONS IN RESPECT OF THE MORTGAGE POOL

Section 1.01     Defined Terms...................................................
Section 1.02     General Interpretive Principles.................................
Section 1.03     Certain Calculations in Respect of the
                Mortgage Pool...................................................
Section 1.04     Cross-Collateralized Mortgage Loans.............................
Section 1.05     Certain Adjustments to the Principal
                Distributions on the Certificates...............................

                                    ARTICLE II

                CONVEYANCE OF MORTGAGE LOANS; REPRESENTATIONS AND
           WARRANTIES; ORIGINAL ISSUANCE OF UNCERTIFICATED LOWER-TIER
                      INTERESTS; EXECUTION OF CERTIFICATES

Section 2.01     Conveyance of Mortgage Loans....................................
Section 2.02     Acceptance of Mortgage Assets by Trustee........................
Section 2.03     Certain Repurchases and Substitutions of
                Mortgage Loans by the Mortgage Loan Sellers
                and the Column Performance Guarantor; the
                Purchase Price Security Deposit Account and
                the Special Reserve Account.....................................
Section 2.04     Representations and Warranties of the
                Depositor.......................................................
Section 2.05     Representations and Warranties of the
                Master Servicer.................................................
Section 2.06     Representations and Warranties of the
                 Special Servicer................................................
Section 2.07     Reserved........................................................
Section 2.08     Reserved........................................................
Section 2.09     Representations, Warranties and Covenants
                of the Trustee..................................................
Section 2.10     Issuance of Uncertificated Lower-Tier
                Interests; Execution of Certificates............................
Section 2.11     Acceptance of Grantor Trust by Trustee;
                Issuance of the ClassV and Class A-MFL
                Certificates....................................................

                                   ARTICLE III

                 ADMINISTRATION AND SERVICING OF THE TRUST FUND

Section 3.01     Administration of the Mortgage Loans............................
Section 3.02     Collection of Mortgage Loan Payments............................
Section 3.03     Collection of Taxes, Assessments and
                Similar Items; Servicing Accounts; Reserve
                Accounts........................................................
Section 3.04     Collection Accounts, Distribution Account,
                Interest Reserve Account, Excess
                 Liquidation Proceeds Account, Post-ARD
                Additional Interest Distribution Account
                and the Floating Rate Account...................................
Section 3.05     Permitted Withdrawals From the Collection
                 Account, the Distribution Account, the
                Interest Reserve Account, the Excess
                Liquidation Proceeds Account, the Post-ARD
                Additional Interest Distribution Account
                and the Floating Rate Account...................................
Section 3.06     Investment of Funds in the Collection
                Account, Servicing Accounts, Reserve
                Accounts, Distribution Account, Interest
                Reserve Account, Excess Liquidation
                 Proceeds Account, Post-ARD Additional
                Interest Distribution Account, Floating
                Rate Account and the REO Account................................
Section 3.07     Maintenance of Insurance Policies; Errors
                 and Omissions and Fidelity Coverage.............................
Section 3.08     Enforcement of Alienation Clauses...............................
Section 3.09     Realization Upon Defaulted Mortgage Loans.......................
Section 3.10     Trustee to Cooperate; Release of Mortgage
                Files...........................................................
Section 3.11     Master Servicing and Special Servicing
                Compensation; Interest on and Reimbursement
                of Servicing Advances; Payment of Certain
                Expenses; Obligations of the Trustee
                Regarding Back-up Servicing Advances............................
Section 3.12     Property Inspections; Collection of
                Financial Statements; Delivery of Certain
                Reports.........................................................
Section 3.13     [Reserved]......................................................
Section 3.14     [Reserved]......................................................
Section 3.15     Access to Certain Information...................................
Section 3.16     Title to REO Property; REO Account..............................
Section 3.17     Management of REO Property......................................
Section 3.18     Fair Value Purchase Option; Sale of REO
                Properties......................................................
Section 3.19     Additional Obligations of Master Servicer.......................
Section 3.20     Modifications, Waivers, Amendments and
                Consents........................................................
Section 3.21     Transfer of Servicing Between Master
                Servicer and Special Servicer; Record
                Keeping.........................................................
Section 3.22     Sub-Servicing Agreements........................................
Section 3.23     Controlling ClassRepresentative................................
Section 3.24     Certain Rights and Powers of the
                Controlling ClassRepresentative................................
Section 3.25     Replacement of Special Servicer.................................
Section 3.26     Application of Default Charges..................................
Section 3.27     Authenticating Agent............................................
Section 3.28     Swap Agreement..................................................

                                   ARTICLE IV

                         PAYMENTS TO CERTIFICATEHOLDERS

Section 4.01     Distributions...................................................
Section 4.02     Trustee Report; Certain Other Reports...........................
Section 4.03     P&I Advances....................................................
Section 4.04     Allocation of Realized Losses and
                Additional Trust Fund Expenses..................................
Section 4.05     Calculations....................................................
Section 4.06     Grantor Trust Reporting.........................................
Section 4.07     Compliance with Withholding Requirements........................

                                    ARTICLE V

                                THE CERTIFICATES

Section 5.01     The Certificates................................................
Section 5.02     Registration of Transfer and Exchange of
                Certificates....................................................
Section 5.03     Book-Entry Certificates.........................................
Section 5.04     Mutilated, Destroyed, Lost or Stolen
                Certificates....................................................
Section 5.05     Persons Deemed Owners...........................................
Section 5.06     Certification by Certificateholders and
                Certificate Owners..............................................
Section 5.07     Appointment of Paying Agent.....................................

                                   ARTICLE VI

           THE DEPOSITOR, THE MASTER SERVICER AND THE SPECIAL SERVICER

Section 6.01     Liability of the Depositor, the Master
                Servicer and the Special Servicer...............................
Section 6.02     Merger, Consolidation or Conversion of the
                Depositor, the Master Servicer or the
                Special Servicer................................................
Section 6.03     Limitation on Liability of the Trustee, the
                Depositor, the Master Servicer, the Special
                Servicer and Others.............................................
Section 6.04     Resignation of the Master Servicer or the
                Special Servicer................................................
Section 6.05     Rights of the Depositor and the Trustee in
                Respect of the Master Servicer and the
                Special Servicer................................................
Section 6.06     Master Servicer or Special Servicer as
                Owner of a Certificate..........................................

                                    ARTICLE VII

                                     DEFAULT

Section 7.01     Events of Default...............................................
Section 7.02     Trustee to Act; Appointment of Successor........................
Section 7.03     Notification to Certificateholders..............................
Section 7.04     Waiver of Events of Default.....................................
Section 7.05     Trustee Advances................................................

                                   ARTICLE VIII

                                   THE TRUSTEE

Section 8.01     Duties of Trustee...............................................
Section 8.02     Certain Matters Affecting the Trustee...........................
Section 8.03     Trustee Not Liable for Validity or
                Sufficiency of Certificates or Mortgage
                Loans...........................................................
Section 8.04     Trustee May Own Certificates....................................
Section 8.05     Fees and Expenses of Trustee;
                Indemnification of and by Trustee...............................
Section 8.06     Eligibility Requirements for Trustee............................
Section 8.07     Resignation and Removal of Trustee..............................
Section 8.08     Successor Trustee...............................................
Section 8.09     Merger or Consolidation of Trustee..............................
Section 8.10     Appointment of Co-Trustee or Separate
                Trustee.........................................................
Section 8.11     Appointment of Custodians.......................................
Section 8.12     Access to Certain Information...................................

                                    ARTICLE IX

                                   TERMINATION

Section 9.01     Termination Upon Repurchase or Liquidation
                of All Mortgage Loans...........................................
Section 9.02     Additional Termination Requirements.............................

                                    ARTICLE X

                            ADDITIONAL TAX PROVISIONS

Section 10.01    Tax Administration..............................................
Section 10.02    Depositor, Master Servicer and Special
                Servicer to Cooperate with Trustee..............................

                                   ARTICLE XI

                            MISCELLANEOUS PROVISIONS

Section 11.01    Amendment.......................................................
Section 11.02    Recordation of Agreement; Counterparts..........................
Section 11.03    Limitation on Rights of Certificateholders
                and B Loan Holders..............................................
Section 11.04    Governing Law...................................................
Section 11.05    Notices.........................................................
Section 11.06    Severability of Provisions......................................
Section 11.07    Successors and Assigns; Beneficiaries...........................
Section 11.08    Article and Section Headings....................................
Section 11.09    Notices to and from the Rating Agencies and
                the Depositor...................................................
Section 11.10    Notices to Controlling ClassRepresentative.....................
Section 11.11    Complete Agreement..............................................
Section 11.12    Grant of a Security Interest....................................

                                   ARTICLE XII

               EXCHANGE ACT REPORTING AND REGULATION AB COMPLIANCE

Section 12.01    Intent of the Parties; Reasonableness...........................
Section 12.02    Reserved........................................................
Section 12.03    Information to be Provided by the Master
                Servicer, the Special Servicer, the Trustee
                and each Servicing Function Participant.........................
Section 12.04    Reserved........................................................
Section 12.05    Filing Obligations..............................................
Section 12.06    Form 10-D Filings...............................................
Section 12.07    Form 10-K Filings...............................................
Section 12.08    Sarbanes-Oxley Certification....................................
Section 12.09    Form 8-K Filings................................................
Section 12.10    Form 15 Filing; Incomplete Exchange Act
                Filings; Amendments to Exchange Act Reports.....................
Section 12.11    Annual Compliance Statements....................................
Section 12.12    Annual Reports on Assessment of Compliance
                with Servicing Criteria.........................................
Section 12.13    Annual Independent Public Accountants'
                Attestation.....................................................
Section 12.14    Exchange Act Reporting Indemnification..........................
Section 12.15    Amendments......................................................
Section 12.16    Exchange Act Report Signatures; Delivery of
                Notices; Interpretation of Grace Periods........................
Section 12.17    Termination of the Trustee......................................



                                    EXHIBITS

EXHIBIT A-1     Form of Class A-SP and Class   A-X Certificates
EXHIBIT A-2     Form of Class A-1, Class A-2, Class A-AB, Class A-3, Class
                A-1-A, Class A-M and Class A-J Certificates
EXHIBIT A-3     Form of Class B, Class C, Class D, Class E, Class F, Class G,
               Class H, Class J, Class K, Class L and Class M, Class N, Class O,
               Class P, Class Q, Class S and Class T Certificates
EXHIBIT A-4     Form of Class A-MFL Certificates
EXHIBIT A-5     Form of Class V Certificates
EXHIBIT A-6     Form of Class R and Class LR Certificates
EXHIBIT B-1A    Schedule of Original Column Mortgage Loans
EXHIBIT B-1B    Schedule of Original Capmark Mortgage Loans
EXHIBIT B-2     Schedule of Exceptions to Mortgage File Delivery
EXHIBIT B-3     Form of Custodial Certification
EXHIBIT B-4     Schedule of Mortgage Loans Covered by
               Environmental Insurance
EXHIBIT C       [Reserved]
EXHIBIT D-1     Form of Master Servicer Request for Release
EXHIBIT D-2     Form of Special Servicer Request for Release
EXHIBIT E       Form of Trustee Report
EXHIBIT F-1A    Form I of Transferor Certificate for Transfers of
               Non-Registered Certificates
EXHIBIT F-1B    Form II of Transferor Certificate for Transfers of
               Non-Registered Certificates
EXHIBIT F-1C    Form I of Transferor Certificate for Transfers of Interests
               in Global Certificates for Classes of Non-Registered Certificates
EXHIBIT F-1D    Form II of Transferor Certificate for Transfers of Interests
               in Global Certificates for Classes of Non-Registered Certificates
EXHIBIT F-2A    Form I of Transferee Certificate for Transfers of
               Non-Registered Certificates Held in Physical Form
EXHIBIT F-2B    Form II of Transferee Certificate for Transfers of
               Non-Registered Certificates Held in Physical Form
EXHIBIT F-2C    Form I of Transferee Certificate for Transfers of Interests
                in Non-Registered Certificates Held in Book-Entry Form
EXHIBIT F-2D    Form II of Transferee Certificate for Transfers of Interests
               in Non-Registered Certificates Held in Book-Entry Form
EXHIBIT G-1     Form of Transferee Certificate in Connection with ERISA
               (Non-Registered Certificates and Non-Investment Grade
               Certificates Held in Fully-Registered, Certificated Form)
EXHIBIT G-2     Form of Transferee Certificate in Connection with ERISA
               (Non-Registered Certificates Held in Book-Entry Form)
EXHIBIT H-1     Form of Residual Transfer Affidavit for Transfers of Class R
               and Class LR Certificates
EXHIBIT H-2     Form of Transferor Certificate for Transfers of Class R and
                Class LR Certificates
EXHIBIT I-1     Form of Notice and Acknowledgment Concerning
               Replacement of Special Servicer
EXHIBIT I-2     Form of Acknowledgment of Proposed Special Servicer
EXHIBIT J       Schedule of Reference Rates
EXHIBIT K-1      Form of Information Request from Certificateholder
               or Certificate Owner
EXHIBIT K-2     Form of Information Request from Prospective
               Investor
EXHIBIT L       Schedule of Designated Sub-Servicers
EXHIBIT M       Form of Sarbanes-Oxley Certification
EXHIBIT N       [Reserved]
EXHIBIT O       [Reserved]
EXHIBIT P       Class A-AB Targeted Principal Balance Table
EXHIBIT R       [Reserved]
EXHIBIT S       [Reserved]
EXHIBIT T       [Reserved]
EXHIBIT U       Relevant Servicing Criteria
EXHIBIT V       Additional Form 10-D Disclosure
EXHIBIT W       Additional Form 10-K Disclosure
EXHIBIT X       Form 8-K Disclosure
EXHIBIT Y       Additional Notification Disclosure


<PAGE>

            This Pooling and Servicing Agreement is dated and effective
as of March 1, 2007, among CREDIT SUISSE FIRST BOSTON MORTGAGE
SECURITIES CORP., as Depositor, CAPMARK FINANCE INC., as Master
Servicer, MIDLAND LOAN SERVICES, INC., as Special Servicer, and WELLS
FARGO BANK, N.A., as Trustee.

                              PRELIMINARY STATEMENT:

            Column Financial, Inc. (together with its successors in interest,
"Column") has sold to Credit Suisse First Boston Mortgage Securities Corp.
(together with its successors in interest, the "Depositor"), pursuant to the
Mortgage Loan Purchase Agreement dated as of March 1, 2007 (as such may from
time to time hereafter be amended, modified, supplemented and/or restated, the
"Column Mortgage Loan Purchase Agreement"), between Column as seller (in such
capacity, the "Column Mortgage Loan Seller") and the Depositor as purchaser,
those mortgage loans initially identified on the schedule attached hereto as
Exhibit B-1A (such mortgage loans, the "Original Column Mortgage Loans").

            Capmark Finance Inc. (together with its successors in interest,
"Capmark") has sold to the Depositor, pursuant to the Mortgage Loan Purchase
Agreement dated as of March 1, 2007 (as such may from time to time hereafter be
amended, modified, supplemented and/or restated, the "Capmark Mortgage Loan
Purchase Agreement"), between Capmark as seller (in such capacity, the "Capmark
Mortgage Loan Seller") and the Depositor as purchaser, those mortgage loans
initially identified on the schedule attached hereto as Exhibit B-1B (such
mortgage loans, the "Original Capmark Mortgage Loans").

            The Depositor desires, among other things, to: (i) establish a trust
fund, consisting primarily of the Original Column Mortgage Loans and the
Original Capmark Mortgage Loans (collectively, the "Original Mortgage Loans")
and certain related rights, funds and property; (ii) cause the issuance of
mortgage pass-through certificates in multiple classes, which certificates will,
in the aggregate, evidence the entire beneficial ownership interest in such
trust fund; and (iii) provide for the servicing and administration of the
mortgage loans, including the Original Mortgage Loans, and the other assets that
from time to time constitute part of such trust fund.

            Wells Fargo Bank, N.A. (together with its successors in interest,
"Wells Fargo") desires to act as trustee hereunder (in such capacity, the
"Trustee"); Capmark desires to act as master servicer hereunder (in such
capacity, the "Master Servicer"); Midland Loan Services, Inc. (together with its
successors in interest, "Midland") desires to act as special servicer hereunder
(in such capacity, the "Special Servicer").

            As provided herein, the Trustee shall elect or shall cause an
election to be made that each of the Upper-Tier REMIC and the Lower-Tier REMIC
(as defined herein) be treated for federal income tax purposes as a "real estate
mortgage investment conduit" (a "REMIC").

            As provided herein, the Trustee will elect to treat the segregated
pool of assets consisting of the Mortgage Loans and certain other related assets
subject to this Agreement as a REMIC for federal income tax purposes, and such
segregated pool of assets will be designated as the "Lower-Tier REMIC." The
Class LA-1-1, Class LA-1-2, Class LA-2-1, Class LA-2-2, Class LA-2-3, Class
LA-AB-1, Class LA-AB-2, Class LA-AB-3, Class LA-AB-4, Class LA-3-1, Class
LA-3-2, Class LA-3-3, Class LA-3-4, Class LA-3-5, Class LA-1-A-1, Class
LA-1-A-2, Class LA-1-A-3, Class LA-1-A-4, Class LA-1-A-5, Class LA-1-A-6, Class
LA-1-A-7, Class LA-1-A-8, Class LA-M, Class LA-MFL, Class LA-J, Class LB, Class
LC-1, Class LC-2, Class LD-1, Class LD-2, Class LE, Class LF-1, Class LF-2,
Class LG, Class LH, Class LJ, Class LK, Class LL, Class LM, Class LN, Class LO,
Class LP, Class LQ, Class LS and Class LT Uncertificated Interests will evidence
"regular interests" in the Lower-Tier REMIC (the "Uncertificated Lower-Tier
Interests") created hereunder. The sole class of "residual interests" in the
Lower-Tier REMIC created hereunder will be evidenced by the Class LR
Certificates.

            As further provided herein, the Trustee will elect to treat the
segregated pool of assets consisting of the Uncertificated Lower-Tier Interests
and certain other related assets subject to this Agreement as a REMIC for
federal income tax purposes, and such segregated pool of assets will be
designated as the "Upper-Tier REMIC." The Class A-1, Class A-2, Class A-AB,
Class A-3, Class A-1-A, Class A-SP, Class A-X, Class A-M, Class A-J, Class B,
Class C, Class D, Class E, Class F, Class G, Class H, Class J, Class K, Class L,
Class M, Class N, Class O, Class P, Class Q, Class S, and Class T Certificates
and the Class A-MFL Regular Interest will evidence "regular interests" in the
Upper-Tier REMIC created hereunder. The sole class of "residual interests" in
the Upper-Tier REMIC created hereunder will be evidenced by the Class R
Certificates.

            The portion of the Trust Fund representing Post-ARD Additional
Interest and the Post-ARD Additional Interest Distribution Account shall be
treated as a grantor trust under subpart E, Part I of subchapter J of the Code.
The portion of the Trust Fund representing the Class A-MFL Regular Interest, the
Swap Agreement and the Floating Rate Account shall be treated as a grantor trust
under subpart E, Part I of subchapter J of the Code. The Class V Certificates
will represent undivided beneficial interests in the portion of the Trust Fund
consisting of the Post-ARD Additional Interest and the Post-ARD Additional
Interest Distribution Account. The Class A-MFL Certificates will represent
undivided beneficial interests in the Class A-MFL Regular Interest, the Swap
Agreement and the Floating Rate Account. Additionally, the Trust Fund shall not
include any B Loan, any interest of the holders of any B Loan or any A/B Loan
Pair Custodial Account.

            The following table sets forth the designation, the initial
pass-through rate (the "Pass-Through Rate"), the aggregate initial principal
amount (the "Original Certificate Balance") or notional balance ("Original Class
Notional Amount"), as applicable, and the initial ratings given each Class (as
indicated below) by the Rating Agencies (as defined herein) for each Class of
Certificates comprising the interests in the Upper-Tier REMIC created hereunder:

                                UPPER-TIER REMIC

                                   Original Certificate
                                   Balance (or, in the
                Initial            case of the Class A-X            Initial
Class           Pass-Through         Certificates, Original         Ratings(1)
Designation        Rate             Class Notional Amount)        Moody's/Fitch
-----------    ------------         ----------------------        -------------
Class A-1            5.2270%                    $40,000,000           Aaa/AAA
Class A-2            5.2680%                  $139,000,000           Aaa/AAA
Class A-AB           5.3360%                   $98,301,000           Aaa/AAA
Class A-3            5.3830%                  $758,000,000           Aaa/AAA
Class A-1-A          5.3610%                $1,324,733,000           Aaa/AAA
Class A-M            5.4160%                  $212,148,000           Aaa/AAA
Class A-MFL          5.4160%(2)               $125,000,000(3)        Aaa/AAA
Class A-J            5.4570%(4)               $286,576,000           Aaa/AAA
Class A-SP           0.6211%(5)             $3,158,284,000(6)        Aaa/AAA
Class A-X            0.0580%(7)             $3,371,478,040(6)        Aaa/AAA
Class B              5.4870%(8)                $25,286,000            Aa1/AA+
Class C              5.5170%(9)                $37,929,000           Aa2/AA
Class D              5.5460%(10)               $33,715,000           Aa3/AA-
Class E              5.5760%(11)               $21,071,000            A1/A+
Class F              5.5960%(12)               $29,501,000            A2/A
Class G              5.6250%(13)               $33,715,000            A3/A-
Class H              6.0369%(14)               $37,929,000          Baa1/BBB+
Class J              6.0369%(14)               $33,714,000           Baa2/BBB
Class K              6.0369%(14)               $37,930,000          Baa3/BBB-
Class L              5.0500%                    $8,428,000           Ba1/BB+
Class M              5.0500%                   $12,643,000           Ba2/BB
Class N              5.0500%                    $8,429,000           Ba3/BB-
Class O              5.0500%                    $8,429,000            B1/B+
Class P              5.0500%                    $8,428,000            B2/B
Class Q              5.0500%                    $8,429,000             B3/B-
Class S              5.0500%                   $12,643,000          Caa2/CCC
Class T              5.0500%                   $29,501,040            NR/NR
Class R          None(15)                  None(15)                   NR/NR


----------
(1)    The Certificates marked "NR" have not been rated by the applicable Rating
      Agency.

(2)    See definition of "Class A-MFL Regular Interest Pass-Through Rate" herein.

(3)    The lesser of 5.4570% and the Weighted Average Net Mortgage Rate.

(4)    The Class A-MFL Certificate Balance will equal the Class A-MFL Regular
      Interest balance.

(5)    The Class A-SP Pass-Through Rate, as defined herein.

(6)    Original Class Notional Amount. The Class A-X Certificates will not have a
      Class Principal Balance and will not be entitled to receive distributions
      of principal.

(7)    The Class A-X Pass-Through Rate, as defined herein.

(8)    The lesser of 5.4870% and the Weighted Average Net Mortgage Rate.

(9)    The lesser of 5.5170% and the Weighted Average Net Mortgage Rate.

(10)   The lesser of 5.5460% and the Weighted Average Net Mortgage Rate.

(11)   The lesser of 5.5760% and the Weighted Average Net Mortgage Rate.

(12)   The lesser of 5.5960% and the Weighted Average Net Mortgage Rate.

(13)   The lesser of 5.6250% and the Weighted Average Net Mortgage Rate.

(14)   The Weighted Average Net Mortgage Rate.

(15)   The Class R Certificates will not have a Class Principal Balance or Class
      Notional Amount, will not bear interest and will not be entitled to
      distributions of Yield Maintenance Charges. Any Available Distribution
      Amounts remaining in the Upper-Tier Distribution Account after all
      required distributions under this Agreement have been made to each other
      Class of Certificates will be distributed to the Holders of the Class R
      Certificates as owners of the residual interests in the Upper-Tier REMIC.

            The following table sets forth the original Lower-Tier Principal
Amounts or original Class Notional Amounts, as applicable, and per annum rates
of interest for the Uncertificated Lower-Tier Interests and the Class LR
Certificates:

             LOWER-TIER REMIC

Class of                     Original Lower-Tier
Uncertificated               Principal Amount or
Lower-Tier        Interest      Original Class
Interests           Rate        Notional Amount
--------------    --------    -------------------
Class LA-1-1        (1)                $5,287,000
Class LA-1-2        (1)               $34,713,000
Class LA-2-1        (1)                $44,834,000
Class LA-2-2        (1)               $83,489,000
Class LA-2-3        (1)               $10,677,000
Class LA-AB-1       (1)                  $291,000
Class LA-AB-2       (1)               $16,907,000
Class LA-AB-3       (1)               $40,527,000
Class LA-AB-4       (1)               $40,576,000
Class LA-3-1        (1)               $69,870,000
Class LA-3-2        (1)              $176,516,000
Class LA-3-3        (1)               $54,120,000
Class LA-3-4        (1)               $47,303,000
Class LA-3-5        (1)              $410,191,000
Class LA-1-A-1      (1)                $1,404,000
Class LA-1-A-2      (1)               $49,059,000
Class LA-1-A-3      (1)               $50,598,000
Class LA-1-A-4      (1)               $48,421,000
Class LA-1-A-5      (1)               $235,310,000
Class LA-1-A-6      (1)               $40,358,000
Class LA-1-A-7      (1)              $189,167,000
Class LA-1-A-8      (1)              $710,416,000
Class LA-M          (1)              $212,148,000
Class LA-MFL        (1)              $125,000,000
Class LA-J          (1)              $286,576,000
Class LB            (1)               $25,286,000
Class LC-1          (1)               $26,667,000
Class LC-2          (1)               $11,262,000
Class LD-1          (1)               $15,156,000
Class LD-2          (1)               $18,559,000
Class LE            (1)               $21,071,000
Class LF-1          (1)               $12,489,000
Class LF-2          (1)               $17,012,000
Class LG            (1)               $33,715,000
Class LH            (1)                $37,929,000
Class LJ            (1)               $33,714,000
Class LK            (1)               $37,930,000
Class LL            (1)                $8,428,000
Class LM            (1)               $12,643,000
Class LN            (1)                $8,429,000
Class LO            (1)                $8,429,000
Class LP            (1)                $8,428,000
Class LQ            (1)                $8,429,000
Class LS            (1)               $12,643,000
Class LT            (1)               $29,501,040
Class LR            N/A(2)           N/A(2)

------

(1)    The interest rate of each of the indicated Classes of Uncertificated
      Lower-Tier Interests is the Weighted Average Net Mortgage Rate.

(2)    The Class LR Certificates will not have a Class Principal Balance or Class
      Notional Amount, will not bear interest and will not be entitled to
      distributions of Yield Maintenance Charges. Any Available Distribution
      Amounts remaining in the Lower-Tier Distribution Account after
      distributing the Lower-Tier Distribution Amount on each Distribution Date
      shall be distributed to the Holders of the Class LR Certificates as owners
      of the residual interests in the Lower-Tier REMIC.

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

                                    ARTICLE I

              DEFINITIONS; GENERAL INTERPRETIVE PRINCIPLES; CERTAIN
                  CALCULATIONS IN RESPECT OF THE MORTGAGE POOL

            Section 1.01 Defined Terms

            Whenever used in this Agreement, the following words and phrases,
unless the context otherwise requires, shall have the meanings specified in this
Section 1.01, subject to modification in accordance with Section 1.04.

            "30/360 Basis" shall mean the accrual of interest calculated on the
basis of a 360-day year consisting of twelve 30-day months.

            "30/360 Mortgage Loan" shall mean a Mortgage Loan that accrues
interest on a 30/360 Basis.

            "A Loan" shall mean, any of the Mortgage Loans secured by the
Mortgaged Properties identified on the Mortgage Loan Schedule as Parkwood II,
Crescent Oaks Apartments, Forest Estates Apartments and Timmaron Apartments,
respectively.

            "A Note" shall mean, with respect to any A Loan, the Mortgage Note
included in the Trust, which is senior in right of payment to the related B
Loan, if any, to the extent set forth in the related A/B Intercreditor
Agreement.

            "A/B Intercreditor Agreement" shall mean, with respect to each A/B
Loan Pair, the related intercreditor agreement to be entered into by and between
the holders of the related A Loan and the B Loan Holder relating to the relative
rights of such holders of the respective A Loan and B Loan, as the same may be
further amended from time to time in accordance with the terms thereof.

            "A/B Loan Pair" shall mean, any A Loan, together with the related B
Loan.

            "A/B Loan Pair Custodial Account" shall mean, each of the custodial
sub-account(s) of the Collection Account (but which are not included in the
Trust) created and maintained by the Master Servicer pursuant to Section 3.04 on
behalf of the B Loan Holder. Any such sub-account(s) shall be maintained as a
sub-account of an Eligible Account.

            "A/B Material Default" shall mean, with respect to any A/B Loan
Pair, a "Material Default" under, and within the meaning of, the related A/B
Intercreditor Agreement.

            "Acquisition Date" shall mean, with respect to any REO Property, the
first day on which such REO Property is considered to be acquired on behalf of
the Trust and the Lower-Tier REMIC (and, if applicable, the holder of any
related B Loans) within the meaning of Treasury Regulations Section
1.856-6(b)(1), which is the first day on which the Lower-Tier REMIC is treated
as the owner of the Trust's interest in such REO Property for federal income tax
purposes.

            "Actual/360 Basis" shall mean the accrual of interest calculated on
the basis of the actual number of days elapsed during any calendar month (or
other applicable recurring accrual period) in a year assumed to consist of 360
days.

            "Actual/360 Mortgage Loan" shall mean a Mortgage Loan that accrues
interest on an Actual/360 Basis.

             "Additional Collateral" shall mean any non-real property collateral
(including any Letter of Credit) pledged and/or delivered by or on behalf of the
related Borrower and held by the related Mortgagee to secure payment on any
Mortgage Loan.

             "Additional Disclosure Notification" shall mean the form of
notification to be included with any Additional Form 10-D Disclosure, Additional
Form 10-K Disclosure or Form 8-K Disclosure Information which is attached hereto
as Exhibit Y.

            "Additional Form 10-D Disclosure" shall have the meaning assigned
thereto in Section 12.06.

            "Additional Form 10-K Disclosure" shall have the meaning assigned
thereto in Section 12.07.

            "Additional Master Servicing Compensation" shall have the meaning
assigned thereto in Section 3.11(b).

            "Additional Servicer" shall mean, individually or collectively, (x)
each Affiliate of any party as described by Section 1108(a)(2)(ii) of Regulation
AB that Services any of the Mortgage Loans and (y) each Person who is not an
Affiliate of any party as described by Section 1108(a)(2)(iii) of Regulation AB,
other than the Master Servicer, the Special Servicer and the Trustee, who
Services 10% or more of the Mortgage Loans (calculated by Stated Principal
Balance).

            "Additional Special Servicing Compensation" shall have the meaning
assigned thereto in Section 3.11(d).

            "Additional Trust Fund Expense" shall mean any expense of the Trust
Fund that (i) arises out of a default on a Mortgage Loan or an A/B Loan Pair,
(ii) arises out of an otherwise unanticipated event, (iii) is not covered by a
Servicing Advance or a corresponding collection from the related Borrower and
(iv) does not represent a loss on a Mortgage Loan arising from the inability of
the Master Servicer and/or the Special Servicer to collect all amounts due and
owing under the Mortgage Loan, including by reason of the fraud or bankruptcy of
the Borrower or, to the extent not covered by insurance, a casualty of any
nature at a Mortgaged Property; provided, however, that, "Additional Trust Fund
Expense" shall not include any of the foregoing amounts that have been recovered
from the related Borrower or Mortgaged Property.

            "Administrative Fee Rate" shall mean, with respect to each Mortgage
Loan (and any successor REO Mortgage Loan), the sum of the related Master
Servicing Fee Rate, plus the Trustee Fee Rate.

            "Advance" shall mean any P&I Advance or Servicing Advance.

            "Advance Interest" shall mean the interest accrued on any Advance at
the Reimbursement Rate, which is payable to the party hereto that made that
Advance, all in accordance with Section 3.11(g) or Section 4.03(d), as
applicable.

            "Adverse Grantor Trust Event" shall mean either: (i) any impairment
of the status of the Grantor Trust as a "grantor trust"; or (ii) the imposition
of a tax upon the Grantor Trust Pool or any of its assets or transactions.

            "Adverse Rating Event" shall mean, with respect to any Class of
Rated Certificates and each Rating Agency that has assigned a rating thereto, as
of any date of determination, the qualification, downgrade or withdrawal of the
rating then assigned to such Class of Rated Certificates by such Rating Agency
(or the placing of such Class of Rated Certificates on "negative credit watch"
status in contemplation of any such action with respect thereto).

            "Adverse REMIC Event" shall mean either: (i) any impairment of the
status of either the Upper-Tier REMIC or Lower-Tier REMIC as a REMIC; or (ii)
except as permitted by Section 3.17(a), the imposition of a tax upon either the
Upper-Tier REMIC or Lower-Tier REMIC or any of its assets or transactions
(including the tax on prohibited transactions as defined in Section 860F(a)(2)
of the Code and the tax on contributions set forth in Section 860G(d) of the
Code).

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

            "Agreement" shall mean this Pooling and Servicing Agreement, as it
may be amended, modified, supplemented or restated following the Closing Date.

            "A.M. Best" shall mean A.M. Best Company or its successor in
interest.

            "Anthracite" shall mean Anthracite Capital, Inc., the
initial Controlling Class Representative.

            "Anticipated Repayment Date" shall mean, with respect to any ARD
Mortgage Loan, the date specified in the related Mortgage Note, as of which
Post-ARD Additional Interest shall begin to accrue on such Mortgage Loan, which
date is prior to the Stated Maturity Date for such Mortgage Loan.

            "Appraisal" shall mean, with respect to any Mortgaged Property or
REO Property as to which an appraisal is required to be performed pursuant to
the terms of this Agreement, a narrative appraisal complying with USPAP (or, in
the case of a Mortgage Loan or an REO Mortgage Loan with a Stated Principal
Balance as of the date of such appraisal of $2,000,000 or less, unless the
Controlling Class Representative permits a narrative appraisal, either a limited
appraisal, a summary report or an internal valuation prepared by the Special
Servicer) that (i) indicates the "market value" of the subject property (within
the meaning of 12 C.F.R. ss. 225.62(g)) and (ii) is conducted by a Qualified
Appraiser (except that, in the case of a Mortgage Loan or an REO Mortgage Loan
with a Stated Principal Balance as of the date of such appraisal of $2,000,000
or less, unless the Controlling Class Representative permits the use of a
Qualified Appraiser, the Person performing such limited appraisal, summary
report or internal valuation may be an employee of the Special Servicer, which
employee need not be a Qualified Appraiser but shall have experience in
commercial and/or multifamily properties, as the case may be, and possess
sufficient knowledge to value such a property).

            "Appraisal Reduction Amount" shall mean, for any Distribution Date,
with respect to any Required Appraisal Loan, an amount calculated by the Special
Servicer equal to the excess, if any, of:

            (1) the sum of (a) the Stated Principal Balance of such Required
      Appraisal Loan as of such Determination Date, (b) to the extent not
      previously advanced by or on behalf of the Master Servicer or the Trustee,
      all unpaid interest (net of Default Interest and, in the case of an ARD
      Mortgage Loan after its Anticipated Repayment Date, Post-ARD Additional
      Interest) accrued on such Required Appraisal Loan through the most recent
      Due Date prior to such Determination Date, (c) all accrued but unpaid
      Special Servicing Fees accrued with respect to such Required Appraisal
      Loan, (d) all related unreimbursed Advances (or any Advances reimbursed by
      the Trust Fund out of general collections on the Mortgage Pool) made by or
      on behalf of the Master Servicer, the Special Servicer or the Trustee with
      respect to such Required Appraisal Loan, together with all unpaid Advance
      Interest accrued on such Advances, and (e) all currently due but unpaid
      real estate taxes and assessments, insurance premiums and, if applicable,
      ground rents in respect of the related Mortgaged Property or REO Property,
      as applicable; over

            (2) the sum of (x) the excess, if any, of (i) 90% of the Appraised
      Value (subject to such downward adjustment as the Special Servicer deems
      appropriate in accordance with the Servicing Standard, without implying
      any obligation to do so) of the related Mortgaged Property or REO
      Property, as applicable, as determined by the most recent relevant
      Appraisal acceptable for purposes of Section 3.19(c) hereof, over (ii) the
      amount of any obligation(s) secured by any liens on such Mortgaged
      Property or REO Property, as applicable, that are prior to the lien of
      such Required Appraisal Loan, and (y) any Escrow Payments, Reserve Funds
      and/or Letters of Credit held by the Master Servicer or the Special
      Servicer with respect to such Required Appraisal Loan, the related
      Mortgaged Property or any related REO Property (exclusive of any such
      Escrow Payments and Reserve Funds, the application of which was assumed in
      determining the Appraised Value of the related Mortgaged Property or REO
      Property, as applicable, referred to in clause (2)(x)(i) of this
      definition).

            Notwithstanding the foregoing, if (i) an Appraisal Trigger Event
occurs with respect to any Mortgage Loan, (ii) either (A) no Appraisal has been
obtained or conducted, as applicable in accordance with Section 3.19(c), with
respect to the related Mortgaged Property during the 12-month period prior to
the date of such Appraisal Trigger Event or (B) there shall have occurred since
the date of the most recent Appraisal a material change in the circumstances
surrounding the related Mortgaged Property that would, in the Special Servicer's
judgment, materially affect the value of the property as reflected in such
Appraisal, and (iii) no new Appraisal is obtained or conducted, as applicable in
accordance with Section 3.19(c), within 60 days after such Appraisal Trigger
Event, then (x) until such new Appraisal is obtained or conducted, as applicable
in accordance with Section 3.19(c), the Appraisal Reduction Amount shall equal
25% of the Stated Principal Balance of such Required Appraisal Loan, and (y)
upon receipt or performance, as applicable in accordance with Section 3.19(c),
of such new Appraisal by the Special Servicer, the Appraisal Reduction Amount
for such Required Appraisal Loan will be recalculated in accordance with the
preceding sentence of this definition.

            Notwithstanding the foregoing, in the case of any A Loan (or any
successor REO Mortgage Loan with respect thereto), any Appraisal Reduction
Amount will be calculated in respect of the subject A/B Loan Pair (or any
successor REO Mortgage Loans with respect thereto), as if it were a single
underlying mortgage loan, and then allocated, first, to the related B Loan (or
any successor REO Mortgage Loan with respect thereto), up to the amount of its
unpaid principal balance, and second, to the subject A Loan (or any successor
REO Mortgage Loan with respect thereto).

            "Appraisal Trigger Event" shall mean, with respect to any Mortgage
Loan, any of the following events:

            (i)    such Mortgage Loan becomes a Modified Mortgage Loan (other
                  than solely as a result of an extension of the maturity date
                  for less than six months);

            (ii)   any Monthly Payment with respect to such Mortgage Loan remains
                   unpaid for 60 days past the Due Date for such payment (or,
                  with respect to a Balloon Payment, 90 days past the Due Date
                  or, if the related Borrower has delivered to the Master
                  Servicer a refinancing commitment reasonably acceptable to the
                  Special Servicer and continues to pay the Assumed Monthly
                  Payment, for such longer period (not to exceed 150 days past
                  the Due Date for such Balloon Payment) during which such
                  refinancing would occur);

            (iii) the passage of 60 days after the Special Servicer receives
                  notice that the Borrower under such Mortgage Loan has become
                  the subject of bankruptcy, insolvency or similar proceedings,
                  which proceedings remain undischarged and undismissed at the
                  end of such 60-day period;

            (iv)   the passage of 60 days after the Special Servicer receives
                   notice that a receiver or similar official has been appointed
                  with respect to the related Mortgaged Property (provided that
                  such receiver or similar official continues in that capacity
                  at the end of such 60-day period); or

            (v)    the related Mortgaged Property becomes an REO Property.

            "Appraised Value" shall mean with respect to each Mortgaged Property
or REO Property, the appraised value thereof (as is) based upon the most recent
Appraisal obtained or conducted, as appropriate, pursuant to this Agreement or
obtained in connection with the origination of the related Mortgage Loan.

            "ARD Mortgage Loan" shall mean a Mortgage Loan that provides for the
accrual of Post-ARD Additional Interest thereon if such Mortgage Loan is not
paid in full on or prior to its Anticipated Repayment Date.

            "Assignment of Leases" shall mean, with respect to any Mortgaged
Property, any assignment of leases, rents and profits or similar document or
instrument executed by the related Borrower in connection with the origination
of the related Mortgage Loan, as such assignment may be amended, modified,
renewed or extended through the date hereof and from time to time hereafter.

            "Assumed Monthly Payment" shall mean:

            (a) with respect to any Balloon Mortgage Loan delinquent in respect
      of its Balloon Payment beyond the Determination Date immediately following
      its scheduled maturity date (as such date may be extended in connection
      with a bankruptcy, insolvency or similar proceeding involving the related
      Borrower or by reason of a modification, waiver or amendment granted or
      agreed to by the Master Servicer or the Special Servicer pursuant to
      Section 3.20), for that scheduled maturity date and for each subsequent
      Due Date as of which such Mortgage Loan remains outstanding and part of
      the Trust Fund, the scheduled monthly payment of principal and/or interest
       deemed to be due with respect to such Mortgage Loan on such Due Date equal
      to the amount that would have been due in respect thereof on such Due Date
      (other than any Default Interest) if such Mortgage Loan had been required
      to continue to accrue interest in accordance with its terms, and to pay
      principal in accordance with the amortization schedule (if any), in effect
      immediately prior to, and without regard to the occurrence of, such
      maturity date; and

            (b) with respect to any REO Mortgage Loan, for any Due Date as of
      which the related REO Property remains part of the Trust Fund, the
      scheduled monthly payment of principal and/or interest deemed to be due in
      respect thereof on such Due Date equal to the Monthly Payment (or, in the
      case of a Balloon Mortgage Loan described in clause (a) of this
      definition, the Assumed Monthly Payment) that was due (or deemed due) with
      respect to the related Mortgage Loan on the last Due Date prior to its
      becoming an REO Mortgage Loan.

            "ASTM" shall mean the American Society for Testing and Materials.

            "Available Distribution Amount" shall mean, with respect to any
Distribution Date, an amount equal to the sum (without duplication) of:

            (a) the aggregate amount received on the Mortgage Loans (and any
      related REO Properties) and on deposit in the Collection Account as of the
      close of business on the Business Day preceding the related Master
      Servicer Remittance Date, exclusive of the following amounts (without
      duplication):

            (i)      all Monthly Payments collected but due on a Due Date after
                    the end of the related Collection Period;

            (ii)     all Principal Prepayments, Balloon Payments, Liquidation
                    Proceeds, Insurance Proceeds or Condemnation Proceeds, all
                    amounts paid in connection with Mortgage Loan repurchases
                    pursuant to Section 2.03(b), and all other unscheduled
                    recoveries received after the related Determination Date;

            (iii)    all amounts in the Collection Account that are payable or
                    reimbursable to any Person from such account pursuant to
                    clauses (ii) through (xxvii), inclusive, of Section 3.05(a);

            (iv)     all amounts that are payable or reimbursable to any Person
                    pursuant to clauses (ii) through (vi), inclusive, of Section
                    3.05(b);

            (v)      all Yield Maintenance Charges;

            (vi)     all amounts deposited in the Collection Account in error;

            (vii)    any net interest or net investment income on funds on
                    deposit in the Collection Account or in Permitted
                    Investments in which such funds may be invested;

            (viii)   with respect to those Mortgage Loans that are Actual/360
                    Mortgage Loans and any Distribution Date relating to each
                    Interest Accrual Period ending in each February and in any
                    January in a year which is not a leap year (unless, in
                    either case, the related Distribution Date is the Final
                     Distribution Date), an amount equal to the Interest Reserve
                    Amount to the extent such amount is to be deposited in the
                    Interest Reserve Account and held for future distribution
                    pursuant to Section 3.04;

            (ix)     in the case of each REO Property related to an A Loan and
                    during an A/B Material Default, all amounts received with
                    respect to the A Loan that are required to be paid to the B
                    Loan Holder pursuant to the terms of the related B Loan and
                    the related A/B Intercreditor Agreement (which amounts will
                    be deposited into the related A/B Loan Pair Custodial
                    Account pursuant to Section 3.04 and withdrawn from such
                    accounts pursuant to Section 3.05); and

            (x)      Post-ARD Additional Interest;

            (b) if and to the extent not already included in clause (a) hereof,
      the aggregate amount transferred with respect to the Mortgage Loans from
      the REO Account to the Collection Account for such Distribution Date
      pursuant to Section 3.16(c);

            (c) the aggregate amount of any P&I Advances made in respect of the
      Mortgage Loans by the Master Servicer or the Trustee, as applicable, for
      such Distribution Date pursuant to Section 4.03 or Section 7.05 (which P&I
      Advances shall not include any related Servicing Fees or Workout Fees);

            (d) all funds released from the Interest Reserve Account for
      distribution on such Distribution Date.

            (e) if and to the extent not already included in clause (a) hereof,
      any Cure Payment (except for any portion thereof payable or reimbursable
      to the Master Servicer or Special Servicer), made by any B Loan Holder
      pursuant to the terms of the related Intercreditor Agreement during the
      related Collection Period and allocable to principal or interest with
      respect to the related Mortgage Loan; and

            (f) all funds released from the Excess Liquidation Proceeds Account
      for distribution on such Distribution Date.

            "B Loan" shall mean, with respect to each A Loan, the other mortgage
loan that (i) is not included in the Trust Fund, (ii) is subordinate in right of
payment to such A Loan to the extent set forth in the related A/B Intercreditor
Agreement and (iii) is secured by the same Mortgage on the same Mortgaged
Property as such A Loan.

             "B Loan Holder" shall mean, with respect to any B Loan,
CBA-Mezzanine Capital Finance, LLC, or its successors and assigns, as the holder
of such B Loan.

            "Balloon Mortgage Loan" shall mean any Mortgage Loan that by its
original terms or by virtue of any modification entered into as of the Closing
Date (or, in the case of a Replacement Mortgage Loan, as of the related date of
substitution) provides for an amortization schedule extending beyond its Stated
Maturity Date and as to which, in accordance with such terms, a Balloon Payment
is due on its Stated Maturity Date.

            "Balloon Payment" shall mean any Monthly Payment payable on a
Mortgage Loan at scheduled maturity that is at least six times as large as the
normal Monthly Payment due on such Mortgage Loan.

            "Bankruptcy Code" shall mean the federal Bankruptcy Code, as amended
from time to time (Title 11 of the United States Code).

            "Base Interest Fraction" shall mean, with respect to any Principal
Prepayment on any Mortgage Loan and any of the Class A-1, Class A-2, Class A-AB,
Class A-3, Class A-1-A, Class A-M, Class A-J, Class B, Class C, Class D, Class
E, Class F, Class G, Class H, Class, J and Class K Certificates and the Class
A-MFL Regular Interest, a fraction (not greater than 1) (a) whose numerator is
the amount, if any, by which (i) the Pass-Through Rate on such Class of
Certificates or the Class A-MFL Regular Interest exceeds (ii) the Yield Rate
used in calculating the Yield Maintenance Charge with respect to such Principal
Prepayment and (b) whose denominator is the amount, if any, by which the (i)
Mortgage Rate on such Mortgage Loan exceeds (ii) the Yield Rate (as provided by
the Master Servicer) used in calculating the Yield Maintenance Charge with
respect to such Principal Prepayment; provided, however, that if such Yield Rate
is greater than or equal to the lesser of (x) the Mortgage Rate on such Mortgage
Loan and (y) the Pass-Through Rate described in clause (a)(i) above, then the
Base Interest Fraction shall be zero.

            "Base Prospectus" shall mean that certain prospectus dated October
30, 2006, relating to trust funds established by the Depositor and publicly
offered mortgage pass-through certificates evidencing interests therein.

             "Book-Entry Certificate" shall mean any Certificate registered in
the name of the Depository or its nominee.

            "Book-Entry Non-Registered Certificate" shall mean any
Non-Registered Certificate that constitutes a Book-Entry Certificate.

            "Borrower" shall mean, individually and collectively, as the context
may require, the obligor or obligors under a Mortgage Loan, including any Person
that has not signed the related Mortgage Note but owns an interest in the
related Mortgaged Property, which interest has been encumbered to secure such
Mortgage Loan.

            "Breach" shall mean, with respect to any Mortgage Loan, any breach
of representation or warranty made by a Mortgage Loan Seller pursuant to Section
4(b) or 4(d) of the related Mortgage Loan Purchase Agreement.

            "Business Day" shall mean any day other than a Saturday, a Sunday or
a day on which banking institutions in New York, New York, Minneapolis,
Minnesota, Pittsburgh, Pennsylvania, the city or cities in which the Primary
Servicing Offices of the Master Servicer and the Special Servicer are located or
the city in which the Corporate Trust Office of the Trustee is located, are
authorized or obligated by law or executive order to remain closed.

            "Capmark" shall mean Capmark Finance Inc., and its
successors in interest.

            "Capmark Mortgage Loan Purchase Agreement" shall have the meaning
assigned thereto in the Preliminary Statement.

            "Capmark Mortgage Loan Seller" shall mean Capmark, in its capacity
as mortgage loan seller with respect to the Original Capmark Mortgage Loans.

            "CERCLA" shall mean the Comprehensive Environmental Response,
Compensation and Liability Act of 1980, as amended.

            "Certificate" shall mean any one of the Depositor's Series 2007-C1
Commercial Mortgage Pass-Through Certificates, as executed by the Trustee and
authenticated and delivered hereunder by the Certificate Registrar.

            "Certificate Factor" shall mean, with respect to any Class of
Regular Certificates or the Class A-MFL Regular Interest, as of any date of
determination, a fraction, expressed as a decimal carried to eight places, the
numerator of which is the related Class Principal Balance or Class Notional
Amount, as the case may be, then outstanding, and the denominator of which is
the related Class Principal Balance or Class Notional Amount, as the case may
be, outstanding as of the Closing Date.

            "Certificateholder" or "Holder" shall mean the Person in whose name
a Certificate is registered in the Certificate Register, provided, however,
that: (i) neither a Disqualified Organization nor a Non-United States Tax Person
shall be a "Holder" of, or a "Certificateholder" with respect to, a Class R or
Class LR Certificate for any purpose hereof; and (ii) solely for purposes of
giving any consent, approval, direction or waiver pursuant to this Agreement
that specifically relates to the rights, duties and/or obligations hereunder of
the Depositor, the Master Servicer, the Special Servicer or the Trustee in its
respective capacity as such (other than any consent, approval or waiver
contemplated by any of Sections 3.23, 3.24 and 3.25), any Certificate registered
in the name of such party or in the name of any Affiliate thereof shall be
deemed not to be outstanding, and the Voting Rights to which it is entitled
shall not be taken into account in determining whether the requisite percentage
of Voting Rights necessary to effect any such consent, approval or waiver that
specifically relates to such party has been obtained. The Certificate Registrar
shall be entitled to request and conclusively rely upon a certificate of the
Depositor, the Master Servicer or the Special Servicer in determining whether a
Certificate is registered in the name of an Affiliate of such Person. All
references herein to "Certificateholders" or "Holders" shall reflect the rights
of Certificate Owners only insofar as they may indirectly exercise such rights
through the Depository and the Depository Participants (except as otherwise
specified herein), it being herein acknowledged and agreed that the parties
hereto shall be required to recognize as a "Certificateholder" or "Holder" only
the Person in whose name a Certificate is registered in the Certificate
Register.

            "Certificateholder Reports" shall mean, collectively, the Trustee
Report and the CMSA Investor Reporting Package.

            "Certificate Notional Amount" shall mean, with respect to any
Interest Only Certificate, as of any date of determination, the then notional
principal amount on which such Certificate accrues interest, equal to the
product of (a) the then Certificate Factor for the Class of Interest Only
Certificates to which such Certificate belongs, multiplied by (b) the amount
specified on the face of such Certificate as the initial Certificate Notional
Amount thereof.

            "Certificate Owner" shall mean, with respect to any Book-Entry
Certificate, the Person who is the beneficial owner of such Certificate as
reflected on the books of the Depository or on the books of a Depository
Participant or on the books of an indirect participating brokerage firm for
which a Depository Participant acts as agent.

            "Certificate Principal Balance" shall mean, with respect to any
Principal Balance Certificate or the Class A-MFL Regular Interest, as of any
date of determination, the then outstanding principal amount of such Certificate
or the Class A-MFL Regular Interest, as applicable, equal to the product of (a)
the then Certificate Factor for the Class of Principal Balance Certificates or
the Class A-MFL Regular Interest, as applicable, to which such Certificate
belongs, multiplied by (b) the amount specified on the face of such Certificate
as the initial Certificate Principal Balance thereof.

            "Certificate Register" and "Certificate Registrar" shall mean the
register maintained and the registrar appointed pursuant to Section 5.02.

            "Certification Parties" shall have the meaning assigned thereto in
Section 12.08.

            "Certifying Person" shall have the meaning assigned thereto in
Section 12.08.

            "Certifying Servicer" shall have the meaning assigned thereto in
Section 12.11.

            "Class" shall mean, collectively, all of the Certificates bearing
the same alphabetic and, if applicable, numeric class designation and each
designation of Uncertificated Lower-Tier Interests having the same payment terms
or the Class A-MFL Regular Interest. The respective Classes of Certificates are
designated in Section 5.01(a).

            "Class A-1" shall mean, when combined with any other capitalized
term defined in this Agreement, of or relating to the Class A-1 Certificates.

            "Class A-1 Certificate" shall mean any of the Certificates that
collectively constitute the Class bearing the alphanumeric class designation
"A-1."

            "Class A-1 Pass-Through Rate" shall mean 5.2270% per annum.

            "Class A-1-A" shall mean, when combined with any other capitalized
term defined in this Agreement, of or relating to the Class A 1 A Certificates.

            "Class A-1-A Certificate" shall mean any of the Certificates that
collectively constitute the Class bearing the alphanumeric class designation "A
1 A."

            "Class A-1-A Pass-Through Rate" shall mean 5.3610% per annum.

            "Class A-2" shall mean, when combined with any other capitalized
term defined in this Agreement, of or relating to the Class A-2 Certificates.

            "Class A-2 Certificate" shall mean any of the Certificates that
collectively constitute the Class bearing the alphanumeric class designation
"A-2."

            "Class A-2 Pass-Through Rate" shall mean 5.2680% per annum.

            "Class A-3" shall mean, when combined with any other capitalized
term defined in this Agreement, of or relating to the Class A-3 Certificates.

            "Class A-3 Certificate" shall mean any of the Certificates that
collectively constitute the Class bearing the alphanumeric class designation
"A-3."

            "Class A-3 Pass-Through Rate" shall mean 5.3830% per annum.

            "Class A-AB" shall mean, when combined with any other capitalized
term defined in this Agreement, of or relating to the Class A-AB Certificates.

            "Class A-AB Certificate" shall mean any of the Certificates that
collectively constitute the Class bearing the alphanumeric class designation
"A-AB."

            "Class A-AB Pass-Through Rate" shall mean 5.3360% per annum.

            "Class A-M" shall mean, when combined with any other capitalized
term defined in this Agreement, of or relating to the Class A-M Certificates.

            "Class A-M Certificate" shall mean any of the Certificates that
collectively constitute the Class bearing the alphanumeric class designation
"A-M."

            "Class A-M Pass-Through Rate" shall mean 5.4160% per annum.

            "Class A-MFL Available Funds" shall mean with respect to any
Distribution Date, an amount equal to (a) the sum of (i) the total amount of all
principal and/or interest distributions, as well as all distributions of Yield
Maintenance Charges, on or in respect of the Class A-MFL Regular Interest with
respect to such Distribution Date and (ii) the amounts, if any, received from
the Swap Counterparty pursuant to the Swap Agreement for such Distribution Date,
less (b) with respect to interest amounts and Yield Maintenance Charges, the sum
of (i) all regularly scheduled interest amounts, Yield Maintenance Charges
required to be paid to the Swap Counterparty pursuant to the Swap Agreement for
such Distribution Date, (ii) any amount payable to the Trustee as Net Investment
Earnings earned on funds held in the Floating Rate Account and (iii) any amounts
deposited in the Floating Rate Account in error.

            "Class A-MFL Certificate" shall mean any of the Certificates that
collectively constitute the Class bearing the alphanumeric class designation
"A-MFL."

            "Class A-MFL Distribution Conversion" shall mean with respect to any
Distribution Date (i) immediately upon and during the continuation of a Swap
Default of the nature described in clause (i) of the definition of "Swap
Default" while the Trustee is pursuing remedies under the Swap Agreement
pursuant to Section 3.28, or (ii) immediately upon and following the termination
of the Swap Agreement, the conversion of distributions to the Class A-MFL
Certificates from distributions based, in part, on floating interest payments
from the Swap Counterparty under the Swap Agreement to distributions based
solely on fixed interest distributions in respect of the Class A-MFL Regular
Interest, as specified in Section 4.01.

            "Class A-MFL Fixed Swap Payment" shall mean with respect to any
Distribution Date, the fixed interest amount required to be paid to the Swap
Counterparty by the Trust under the Swap Agreement (prior to any netting against
amounts due from the Swap Counterparty to the Trust) in respect of that
Distribution Date.

            "Class A-MFL Floating Swap Payment" shall mean with respect to any
Distribution Date, the floating interest amount required to be paid to the Trust
by the Swap Counterparty under the Swap Agreement (prior to any netting against
amounts due from the Trust to the Swap Counterparty) in respect of that
Distribution Date.

            "Class A-MFL Interest Distribution Amount" shall mean with respect
to any Distribution Date, an amount equal to (a) the sum of (i) the Optimal
Interest Distribution Amount with respect to the Class A-MFL Regular Interest
for such Distribution Date, (ii) the Class A-MFL Floating Swap Payment received
from the Swap Counterparty with respect to such Distribution Date and (iii) if
the Swap Agreement is terminated and a replacement Swap Agreement is not
obtained, any Swap Termination Payment collected during the related Collection
Period, less (b) the Class A-MFL Fixed Swap Payment made to the Swap
Counterparty with respect to such Distribution Date.

            "Class A-MFL Net Fixed Swap Payment" shall mean with respect to any
Distribution Date, the excess, if any of (i) the Class A-MFL Fixed Swap Payment
for that Distribution Date over (ii) the Class A-MFL Floating Swap Payment in
respect of that Distribution Date.

            "Class A-MFL Net Floating Swap Payment" shall mean with respect to
any Distribution Date, the excess, if any of (i) the Class A-MFL Floating Swap
Payment for that Distribution Date over (ii) the Class A-MFL Fixed Swap Payment
in respect of that Distribution Date.

            "Class A-MFL Pass-Through Rate" shall mean with respect to any
Distribution Date for so long as no Class A-MFL Distribution Conversion has
occurred, LIBOR plus 0.1900%; except that (I) if (a) the total amount of
interest distributions with respect to the Class A-MFL Regular Interest for any
distribution date required (or deemed) to be deposited in the Floating Rate
Account is less than (b) 1/12th of the product of (i) 5.4160%, multiplied by
(ii) the Class Principal Balance of the Class A-MFL Certificates as of the last
day of the calendar month immediately prior to that Distribution Date, then
there will be a proportionate reduction to the amount of interest distributable
on the Class A-MFL Certificates, as provided in the Swap Agreement and (II) if
(a) the total amount of interest distributions with respect to the Class A-MFL
Regular Interest for any distribution date required (or deemed) to be deposited
in the Floating Rate Account exceeds (b) 1/12th of the product of (i) 5.4160%,
multiplied by (ii) the Class Principal Balance of the Class A-MFL Certificates
as of the last day of the calendar month immediately prior to that Distribution
Date, then there will be a proportional increase to the amount of interest
distributable on the Class A-MFL Certificates, as provided in the Swap
Agreement. With respect to any Distribution Date on or after which a Class A-MFL
Distribution Conversion has occurred, "Class A-MFL Pass-Through Rate" shall mean
the Class A-MFL Regular Interest Pass-Through Rate.

            "Class A-MFL Principal Distribution Amount" shall mean with respect
to any Distribution Date, an amount equal to the amount of principal allocated
pursuant to Section 4.01 in respect of the Class A-MFL Regular Interest on such
Distribution Date.

            "Class A-MFL Regular Interest" shall mean the uncertificated
interest in the Upper-Tier REMIC, designated as "Class A-MFL," constituting a
"regular interest" in the Upper-Tier REMIC for purposes of the REMIC Provisions
and having the characteristics attributable thereto in this Agreement.

            "Class A-MFL Regular Interest Pass-Through Rate" shall mean, with
respect to any Distribution Date, 5.4160% per annum.

            "Class A-MFL Swap Payment Date" shall mean, with respect to any
Distribution Date, the Business Day preceding such Distribution Date.

            "Class A-J" shall mean, when combined with any other capitalized
term defined in this Agreement, of or relating to the Class A-J Certificates.

            "Class A-J Certificate" shall mean any of the Certificates that
collectively constitute the Class bearing the alphanumeric class designation
"A-J."

            "Class A-J Pass-Through Rate" shall mean the lesser of (i) 5.4570%
per annum and (ii) the Weighted Average Net Mortgage Rate.

            "Class A-P&I Certificates" shall mean, collectively, the Class A-1,
Class A-2, Class A-AB, Class A-3 and Class A-1-A Certificates.

            "Class A-SP" shall mean, when combined with any other capitalized
term defined in this Agreement, of or relating to the Class A-SP Certificates.

             "Class A-SP Certificate" shall mean any of the Certificates that
collectively constitute the Class bearing the alphabetic class designation
"A-SP."

            "Class A-SP Component" shall mean each of Component A-1-2, Component
A-2-1, Component A-2-2, Component A-2-3, Component A-AB-1, Component A-AB-2,
Component A-AB-3, Component A-AB-4, Component A-3-1, Component A-3-2, Component
A-3-3, Component A-3-4, Component A-3-5, Component A-1-A-2, Component A-1-A-3,
Component A-1-A-4, Component A-1-A-5, Component A-1-A-6, Component A-1-A-7,
Component A-1-A-8, Component A-M, Component A-MFL, Component A-J, Component B,
Component C-1, Component C-2, Component D-1, Component D-2, Component E,
Component F-1, Component F-2 and Component G.

            "Class A-SP Notional Amount" shall mean, as of any date of
determination, the sum of the then Component Notional Amounts of the Class A-SP
Components that have not reached their Component Crossover Date.

            "Class A-SP Pass-Through Rate" shall mean, as to any Distribution
Date, the per annum rate, expressed as a percentage, equal to the weighted
average of the Class A-SP Strip Rates of the Class A-SP Components (weighted on
the basis of their respective Component Notional Amounts) for such Distribution
Date.

            "Class A-SP Strip Rate" shall mean, with respect to each of the
Class A-SP Components for any Distribution Date, a rate per annum equal to (i)
for any Distribution Date occurring on or before the related Component Crossover
Date, (x) the lesser of (I) the Weighted Average Net Mortgage Pass-Through Rate
for such Distribution Date and (II) the Reference Rate for such Distribution
Date minus (y) the Pass-Through Rate for the Related Certificates, (provided
that in no event shall any Class A-SP Strip Rate be less than zero), and (ii)
for any Distribution Date occurring after the related Component Crossover Date,
0% per annum.

            "Class A-X" shall mean, when combined with any other capitalized
term defined in this Agreement, of or relating to the Class A-X Certificates.

            "Class A-X Certificate" shall mean any of the Certificates that
collectively constitute the Class bearing the alphabetic class designation
"A-X."

            "Class A-X Component" shall mean any one of the Components.

            "Class A-X Notional Amount" shall mean, with respect to the Class
A-X Certificates and any date of determination, the sum of the then Component
Notional Amounts of all of the Components.

            "Class A-X Pass-Through Rate" shall mean, as to any Distribution
Date, the per annum rate, expressed as a percentage, equal to the weighted
average of the Class A-X Strip Rates of the Components for such Distribution
Date, weighted on the basis of their respective Component Notional Amounts.

            "Class A-X Strip Rate" shall mean, with respect to any Class A-X
Component (other than a Class A-X Component that is also a Class A-SP Component)
for any Distribution Date, a rate per annum equal to (i) the Weighted Average
Net Mortgage Pass-Through Rate for such Distribution Date, minus (ii) the
Pass-Through Rate for the Related Certificates, and in the case of a Class A-X
Component that is also a Class A-SP Component, (A) for any Distribution Date
occurring on or before the related Component Crossover Date, (x) the Weighted
Average Net Mortgage Pass-Through Rate for such Distribution Date minus (y) the
sum of the Pass-Through Rate for the Related Certificates for such Distribution
Date and the Class A-SP Strip Rate for such Component for such Distribution
Date, and (B) for any Distribution Date occurring after the related Component
Crossover Date, a rate per annum equal to (x) the Weighted Average Net Mortgage
Pass-Through Rate for such Distribution Date, minus (y) the Pass-Through Rate
for the Related Certificates (provided that in no event shall any Class A-X
Strip Rate be less than zero).

            "Class B" shall mean, when combined with any other capitalized term
defined in this Agreement, of or relating to the Class B Certificates.

            "Class B Certificate" shall mean any of the Certificates that
collectively constitute the Class bearing the alphabetic class designation "B."

            "Class B Pass-Through Rate" shall mean the lesser of (i) 5.4870% per
annum and (ii) the Weighted Average Net Mortgage Rate.

            "Class C" shall mean, when combined with any other capitalized term
defined in this Agreement, of or relating to the Class C Certificates.

            "Class C Certificate" shall mean any of the Certificates that
collectively constitute the Class bearing the alphabetic class designation "C."

            "Class C Pass-Through Rate" shall mean the lesser of (i) 5.5170% per
annum and (ii) the Weighted Average Net Mortgage Rate.

            "Class D" shall mean, when combined with any other capitalized term
defined in this Agreement, of or relating to the Class D Certificates.

            "Class D Certificate" shall mean any of the Certificates that
collectively constitute the Class bearing the alphabetic class designation "D."

            "Class D Pass-Through Rate" shall mean the lesser of (i) 5.5460% per
annum and (ii) the Weighted Average Net Mortgage Rate.

            "Class E" shall mean, when combined with any other capitalized term
defined in this Agreement, of or relating to the Class E Certificates.

            "Class E Certificate" shall mean any of the Certificates that
collectively constitute the Class bearing the alphabetic class designation "E."

            "Class E Pass-Through Rate" shall mean the lesser of (i) 5.5760% per
annum and (ii) the Weighted Average Net Mortgage Rate.

            "Class F" shall mean, when combined with any other capitalized term
defined in this Agreement, of or relating to the Class F Certificates.

             "Class F Certificate" shall mean any of the Certificates that
collectively constitute the Class bearing the alphabetic class designation "F."

            "Class F Pass-Through Rate" shall mean the lesser of (i) 5.5960% per
annum and (ii) the Weighted Average Net Mortgage Rate.

            "Class G" shall mean, when combined with any other capitalized term
defined in this Agreement, of or relating to the Class G Certificates.

            "Class G Certificate" shall mean any of the Certificates that
collectively constitute the Class bearing the alphabetic class designation "G."

            "Class G Pass-Through Rate" shall mean the lesser of (i) 5.6250% per
annum and (ii) the Weighted Average Net Mortgage Rate.

            "Class H" shall mean, when combined with any other capitalized term
defined in this Agreement, of or relating to the Class H Certificates.

            "Class H Certificate" shall mean any of the Certificates that
collectively constitute the Class bearing the alphabetic class designation "H."

            "Class H Pass-Through Rate" shall mean a per annum rate equal to the
Weighted Average Net Mortgage Rate.

            "Class J" shall mean, when combined with any other capitalized term
defined in this Agreement, of or relating to the Class J Certificates.

            "Class J Certificate" shall mean any of the Certificates that
collectively constitute the Class bearing the alphabetic class designation "J."

            "Class J Pass-Through Rate" shall mean a per annum rate equal to the
Weighted Average Net Mortgage Rate.

            "Class K" shall mean, when combined with any other capitalized term
defined in this Agreement, of or relating to the Class K Certificates.

            "Class K Certificate" shall mean any of the Certificates that
collectively constitute the Class bearing the alphabetic class designation "K."

            "Class K Pass-Through Rate" shall mean a per annum rate equal to the
Weighted Average Net Mortgage Rate.

            "Class L" shall mean, when combined with any other capitalized term
defined in this Agreement, of or relating to the Class L Certificates.

            "Class L Certificate" shall mean any of the Certificates that
collectively constitute the Class bearing the alphabetic class designation "L."

            "Class L Pass-Through Rate" shall mean 5.0500% per annum.

            "Class LA-1-1 Uncertificated Interest" shall mean a regular interest
in the Lower-Tier REMIC that is held as an asset of the Upper-Tier REMIC and
having the Original Lower-Tier Principal Amount and per annum rate of interest
set forth in the Preliminary Statement hereto.

            "Class LA-1-2 Uncertificated Interest" shall mean a regular interest
in the Lower-Tier REMIC that is held as an asset of the Upper-Tier REMIC and
having the Original Lower-Tier Principal Amount and per annum rate of interest
set forth in the Preliminary Statement hereto.

            "Class LA-1-A-1 Uncertificated Interest" shall mean a regular
interest in the Lower-Tier REMIC that is held as an asset of the Upper-Tier
REMIC and having the Original Lower-Tier Principal Amount and per annum rate of
interest set forth in the Preliminary Statement hereto.

            "Class LA-1-A-2 Uncertificated Interest" shall mean a regular
interest in the Lower-Tier REMIC that is held as an asset of the Upper-Tier
REMIC and having the Original Lower-Tier Principal Amount and per annum rate of
interest set forth in the Preliminary Statement hereto.

            "Class LA-1-A-3 Uncertificated Interest" shall mean a regular
interest in the Lower-Tier REMIC that is held as an asset of the Upper-Tier
REMIC and having the Original Lower-Tier Principal Amount and per annum rate of
interest set forth in the Preliminary Statement hereto.

            "Class LA-1-A-4 Uncertificated Interest" shall mean a regular
interest in the Lower-Tier REMIC that is held as an asset of the Upper-Tier
REMIC and having the Original Lower-Tier Principal Amount and per annum rate of
interest set forth in the Preliminary Statement hereto.

            "Class LA-1-A-5 Uncertificated Interest" shall mean a regular
interest in the Lower-Tier REMIC that is held as an asset of the Upper-Tier
REMIC and having the Original Lower-Tier Principal Amount and per annum rate of
interest set forth in the Preliminary Statement hereto.

            "Class LA-1-A-6 Uncertificated Interest" shall mean a regular
interest in the Lower-Tier REMIC that is held as an asset of the Upper-Tier
REMIC and having the Original Lower-Tier Principal Amount and per annum rate of
interest set forth in the Preliminary Statement hereto.

            "Class LA-1-A-7 Uncertificated Interest" shall mean a regular
interest in the Lower-Tier REMIC that is held as an asset of the Upper-Tier
REMIC and having the Original Lower-Tier Principal Amount and per annum rate of
interest set forth in the Preliminary Statement hereto.

            "Class LA-1-A-8 Uncertificated Interest" shall mean a regular
interest in the Lower-Tier REMIC that is held as an asset of the Upper-Tier
REMIC and having the Original Lower-Tier Principal Amount and per annum rate of
interest set forth in the Preliminary Statement hereto.

            "Class LA-2-1 Uncertificated Interest" shall mean a regular interest
in the Lower-Tier REMIC that is held as an asset of the Upper-Tier REMIC and
having the Original Lower-Tier Principal Amount and per annum rate of interest
set forth in the Preliminary Statement hereto.

            "Class LA-2-2 Uncertificated Interest" shall mean a regular interest
in the Lower-Tier REMIC that is held as an asset of the Upper-Tier REMIC and
having the Original Lower-Tier Principal Amount and per annum rate of interest
set forth in the Preliminary Statement hereto.

            "Class LA-2-3 Uncertificated Interest" shall mean a regular interest
in the Lower-Tier REMIC that is held as an asset of the Upper-Tier REMIC and
having the Original Lower-Tier Principal Amount and per annum rate of interest
set forth in the Preliminary Statement hereto.

            "Class LA-3-1 Uncertificated Interest" shall mean a regular interest
in the Lower-Tier REMIC that is held as an asset of the Upper-Tier REMIC and
having the Original Lower-Tier Principal Amount and per annum rate of interest
set forth in the Preliminary Statement hereto.

            "Class LA-3-2 Uncertificated Interest" shall mean a regular interest
in the Lower-Tier REMIC that is held as an asset of the Upper-Tier REMIC and
having the Original Lower-Tier Principal Amount and per annum rate of interest
set forth in the Preliminary Statement hereto.

            "Class LA-3-3 Uncertificated Interest" shall mean a regular interest
in the Lower-Tier REMIC that is held as an asset of the Upper-Tier REMIC and
having the Original Lower-Tier Principal Amount and per annum rate of interest
set forth in the Preliminary Statement hereto.

            "Class LA-3-4 Uncertificated Interest" shall mean a regular interest
in the Lower-Tier REMIC that is held as an asset of the Upper-Tier REMIC and
having the Original Lower-Tier Principal Amount and per annum rate of interest
set forth in the Preliminary Statement hereto.

            "Class LA-3-5 Uncertificated Interest" shall mean a regular interest
in the Lower-Tier REMIC that is held as an asset of the Upper-Tier REMIC and
having the Original Lower-Tier Principal Amount and per annum rate of interest
set forth in the Preliminary Statement hereto.

            "Class LA-AB-1 Uncertificated Interest" shall mean a regular
interest in the Lower-Tier REMIC that is held as an asset of the Upper-Tier
REMIC and having the Original Lower-Tier Principal Amount and per annum rate of
interest set forth in the Preliminary Statement hereto.

            "Class LA-AB-2 Uncertificated Interest" shall mean a regular
interest in the Lower-Tier REMIC that is held as an asset of the Upper-Tier
REMIC and having the Original Lower-Tier Principal Amount and per annum rate of
interest set forth in the Preliminary Statement hereto.

            "Class LA-AB-3 Uncertificated Interest" shall mean a regular
interest in the Lower-Tier REMIC that is held as an asset of the Upper-Tier
REMIC and having the Original Lower-Tier Principal Amount and per annum rate of
interest set forth in the Preliminary Statement hereto.

            "Class LA-AB-4 Uncertificated Interest" shall mean a regular
interest in the Lower-Tier REMIC that is held as an asset of the Upper-Tier
REMIC and having the Original Lower-Tier Principal Amount and per annum rate of
interest set forth in the Preliminary Statement hereto.

            "Class LA-M Uncertificated Interest" shall mean a regular interest
in the Lower-Tier REMIC that is held as an asset of the Upper-Tier REMIC and
having the Original Lower-Tier Principal Amount and per annum rate of interest
set forth in the Preliminary Statement hereto.

             "Class LA-MFL Uncertificated Interest" shall mean a regular interest
in the Lower-Tier REMIC that is held as an asset of the Upper-Tier REMIC, has
the Original Lower-Tier REMIC Principal Amount and per annum rate of interest
set forth in the Preliminary Statement hereto.

            "Class LA-J Uncertificated Interest" shall mean a regular interest
in the Lower-Tier REMIC that is held as an asset of the Upper-Tier REMIC and
having the Original Lower-Tier Principal Amount and per annum rate of interest
set forth in the Preliminary Statement hereto.

            "Class LB Uncertificated Interest" shall mean a regular interest in
the Lower-Tier REMIC that is held as an asset of the Upper-Tier REMIC and having
the Original Lower-Tier Principal Amount and per annum rate of interest set
forth in the Preliminary Statement hereto.

            "Class LC-1 Uncertificated Interest" shall mean a regular interest
in the Lower-Tier REMIC that is held as an asset of the Upper-Tier REMIC and
having the Original Lower-Tier Principal Amount and per annum rate of interest
set forth in the Preliminary Statement hereto.

            "Class LC-2 Uncertificated Interest" shall mean a regular interest
in the Lower-Tier REMIC that is held as an asset of the Upper-Tier REMIC and
having the Original Lower-Tier Principal Amount and per annum rate of interest
set forth in the Preliminary Statement hereto.

            "Class LD-1 Uncertificated Interest" shall mean a regular interest
in the Lower-Tier REMIC that is held as an asset of the Upper-Tier REMIC and
having the Original Lower-Tier Principal Amount and per annum rate of interest
set forth in the Preliminary Statement hereto.

            "Class LD-2 Uncertificated Interest" shall mean a regular interest
in the Lower-Tier REMIC that is held as an asset of the Upper-Tier REMIC and
having the Original Lower-Tier Principal Amount and per annum rate of interest
set forth in the Preliminary Statement hereto.

            "Class LE Uncertificated Interest" shall mean a regular interest in
the Lower-Tier REMIC that is held as an asset of the Upper-Tier REMIC and having
the Original Lower-Tier Principal Amount and per annum rate of interest set
forth in the Preliminary Statement hereto.

            "Class LF-1 Uncertificated Interest" shall mean a regular interest
in the Lower-Tier REMIC that is held as an asset of the Upper-Tier REMIC and
having the Original Lower-Tier Principal Amount and per annum rate of interest
set forth in the Preliminary Statement hereto.

            "Class LF-2 Uncertificated Interest" shall mean a regular interest
in the Lower-Tier REMIC that is held as an asset of the Upper-Tier REMIC and
having the Original Lower-Tier Principal Amount and per annum rate of interest
set forth in the Preliminary Statement hereto.

            "Class LG Uncertificated Interest" shall mean a regular interest in
the Lower-Tier REMIC that is held as an asset of the Upper-Tier REMIC and having
the Original Lower-Tier Principal Amount and per annum rate of interest set
forth in the Preliminary Statement hereto.

            "Class LH Uncertificated Interest" shall mean a regular interest in
the Lower-Tier REMIC that is held as an asset of the Upper-Tier REMIC and having
the Original Lower-Tier Principal Amount and per annum rate of interest set
forth in the Preliminary Statement hereto.
            "Class LJ Uncertificated Interest" shall mean a regular interest in
the Lower-Tier REMIC that is held as an asset of the Upper-Tier REMIC and having
the Original Lower-Tier Principal Amount and per annum rate of interest set
forth in the Preliminary Statement hereto.

            "Class LK Uncertificated Interest" shall mean a regular interest in
the Lower-Tier REMIC that is held as an asset of the Upper-Tier REMIC and having
the Original Lower-Tier Principal Amount and per annum rate of interest set
forth in the Preliminary Statement hereto.

            "Class LL Uncertificated Interest" shall mean a regular interest in
the Lower-Tier REMIC that is held as an asset of the Upper-Tier REMIC and having
the Original Lower-Tier Principal Amount and per annum rate of interest set
forth in the Preliminary Statement hereto.

            "Class LM Uncertificated Interest" shall mean a regular interest in
the Lower-Tier REMIC that is held as an asset of the Upper-Tier REMIC and having
the Original Lower-Tier Principal Amount and per annum rate of interest set
forth in the Preliminary Statement hereto.

            "Class LN Uncertificated Interest" shall mean a regular interest in
the Lower-Tier REMIC that is held as an asset of the Upper-Tier REMIC and having
the Original Lower-Tier Principal Amount and per annum rate of interest set
forth in the Preliminary Statement hereto.

            "Class LO Uncertificated Interest" shall mean a regular interest in
the Lower-Tier REMIC that is held as an asset of the Upper-Tier REMIC and having
the Original Lower-Tier Principal Amount and per annum rate of interest set
forth in the Preliminary Statement hereto.

            "Class LP Uncertificated Interest" shall mean a regular interest in
the Lower-Tier REMIC that is held as an asset of the Upper-Tier REMIC and having
the Original Lower-Tier Principal Amount and per annum rate of interest set
forth in the Preliminary Statement hereto.

            "Class LQ Uncertificated Interest" shall mean a regular interest in
the Lower-Tier REMIC that is held as an asset of the Upper-Tier REMIC and having
the Original Lower-Tier Principal Amount and per annum rate of interest set
forth in the Preliminary Statement hereto.

             "Class LR" shall mean, when combined with any other capitalized term
defined in this Agreement, of or relating to the Class LR Certificates.

            "Class LR Certificate" shall mean any of the Certificates that
collectively constitute the Class bearing the alphabetic class designation "LR."

            "Class LS Uncertificated Interest" shall mean a regular interest in
the Lower-Tier REMIC that is held as an asset of the Upper-Tier REMIC and having
the Original Lower-Tier Principal Amount and per annum rate of interest set
forth in the Preliminary Statement hereto.

            "Class LT Uncertificated Interest" shall mean a regular interest in
the Lower-Tier REMIC that is held as an asset of the Upper-Tier REMIC and having
the Original Lower-Tier Principal Amount and per annum rate of interest set
forth in the Preliminary Statement hereto.

             "Class M" shall mean, when combined with any other capitalized term
defined in this Agreement, of or relating to the Class M Certificates.

             "Class M Certificate" shall mean any of the Certificates that
collectively constitute the Class bearing the alphabetic class designation "M."

            "Class M Pass-Through Rate" shall mean 5.0500% per annum.

            "Class N" shall mean, when combined with any other capitalized term
defined in this Agreement, of or relating to the Class N Certificates.

            "Class N Certificate" shall mean any of the Certificates that
collectively constitute the Class bearing the alphabetic class designation "N."

            "Class N Pass-Through Rate" shall mean 5.0500% per annum.

            "Class Notional Amount" shall mean, with respect to any Class of
Interest Only Certificate, the aggregate hypothetical or notional amount on
which such Class of Interest Only Certificate accrues or is deemed to accrue
interest from time to time. The Class Notional Amount, in the case of the Class
A-X Certificates, shall be the Class A-X Notional Amount and, in the case of the
Class A-SP Certificates, shall be the Class A-SP Notional Amount.

            "Class O" shall mean, when combined with any other capitalized term
defined in this Agreement, of or relating to the Class O Certificates.

            "Class O Certificate" shall mean any of the Certificates that
collectively constitute the Class bearing the alphabetic class designation "O."

            "Class O Pass-Through Rate" shall mean 5.0500% per annum.

            "Class P" shall mean, when combined with any other capitalized term
defined in this Agreement, of or relating to the Class P Certificates.

            "Class P Certificate" shall mean any of the Certificates that
collectively constitute the Class bearing the alphabetic class designation "P."

            "Class P Pass-Through Rate" shall mean 5.0500% per annum.

            "Class Principal Balance" shall mean the aggregate principal balance
outstanding from time to time of any Class of Principal Balance Certificates or
of the Class A-MFL Regular Interest, as applicable.

            "Class Q" shall mean, when combined with any other capitalized term
defined in this Agreement, of or relating to the Class Q Certificates.

            "Class Q Certificate" shall mean any of the Certificates that
collectively constitute the Class bearing the alphabetic class designation "Q."

            "Class Q Pass-Through Rate" shall mean 5.0500% per annum.

            "Class R" shall mean, when combined with any other capitalized term
defined in this Agreement, of or relating to the Class R Certificates.

            "Class R Certificate" shall mean any of the Certificates that
collectively constitute the Class bearing the alphabetic class designation "R."

            "Class S" shall mean, when combined with any other capitalized term
defined in this Agreement, of or relating to the Class S Certificates.

            "Class S Certificate" shall mean any of the Certificates that
collectively constitute the Class bearing the alphabetic class designation "S."

            "Class S Pass-Through Rate" shall mean 5.0500% per annum.

             "Class T" shall mean, when combined with any other capitalized term
defined in this Agreement, of or relating to the Class T Certificates.

            "Class T Certificate" shall mean any of the Certificates that
collectively constitute the Class bearing the alphabetic class designation "T."

            "Class T Pass-Through Rate" shall mean 5.0500% per annum.

            "Class V" shall mean, when combined with any other capitalized term
defined in this Agreement, of or relating to the Class V Certificates.

            "Class V Certificate" shall mean any of the Certificates that
collectively constitute the Class bearing the alphabetic class designation "V."

            "Clearstream" shall mean Clearstream Banking, societe anonyme, or
any successor.

            "Closing Date" shall mean March 16, 2007.

            "CMSA" shall mean the Commercial Mortgage Securities Association, or
any association or organization that is a successor thereto. If neither such
association nor any successor remains in existence, "CMSA" shall be deemed to
refer to such other association or organization as may exist whose principal
membership consists of servicers, trustees, issuers, placement agents and
underwriters generally involved in the commercial mortgage loan securitization
industry, which is the principal such association or organization in the
commercial mortgage loan securitization industry and one of whose principal
purposes is the establishment of industry standards for reporting
transaction-specific information relating to commercial mortgage pass-through
certificates and commercial mortgage-backed bonds and the commercial mortgage
loans and foreclosed properties underlying or backing them to investors holding
or owning such certificates or bonds, and any successor to such other
association or organization. If an organization or association described in one
of the preceding sentences of this definition does not exist, "CMSA" shall be
deemed to refer to such other association or organization as shall be selected
by the Master Servicer and reasonably acceptable to the Trustee, the Special
Servicer and the Controlling Class Representative.

            "CMSA Advance Recovery Report" shall mean a report substantially in
the form of, and containing the information called for in, the downloadable form
of the "Advance Recovery Report" available as of the Closing Date on the CMSA
Website, or such other form for the presentation of such information and
containing such additional information as may from time to time be recommended
by the CMSA for commercial mortgage-backed securities transactions generally
(unless the Controlling Class Representative and the Rating Agencies otherwise
consent to an alternative form of such report, and written notice of such
alternative form is provided to the Master Servicer and the Special Servicer).

            "CMSA Bond Level File" shall mean a data file substantially in the
form of, and containing the information called for in, the downloadable form of
the "Bond Level File" available as of the Closing Date on the CMSA Website, or
such other form for the presentation of such information and containing such
additional information as may from time to time be recommended by the CMSA for
commercial mortgage-backed securities transactions generally (unless the
Trustee, Controlling Class Representative and the Rating Agencies otherwise
consent to an alternative form of such report and have provided written notice
of such alternative form to the Master Servicer and the Special Servicer).

            "CMSA Collateral Summary File" shall mean a data file substantially
in the form of, and containing the information called for in, the downloadable
form of the "Collateral Summary File" available as of the Closing Date on the
CMSA Website, or such other form for the presentation of such information and
containing such additional information as may from time to time be recommended
by the CMSA for commercial mortgage-backed securities transactions generally
(unless the Trustee, Controlling Class Representative and the Rating Agencies
otherwise consent to an alternative form of such report and have provided
written notice of such alternative form to the Master Servicer and the Special
Servicer).

            "CMSA Comparative Financial Status Report" shall mean a report
substantially in the form of, and containing the information called for in, the
downloadable form of the "Comparative Financial Status Report" available as of
the Closing Date on the CMSA Website, or such other form for the presentation of
such information as may from time to time be recommended by the CMSA for
commercial mortgage-backed securities transactions generally (unless the
Controlling Class Representative and the Rating Agencies otherwise consent to an
alternative form of such report, and written notice of such alternative form is
provided to the Master Servicer and the Special Servicer).

            "CMSA Delinquent Loan Status Report" shall mean a report
substantially in the form of, and containing the information called for in, the
downloadable form of the "Delinquent Loan Status Report" available as of the
Closing Date on the CMSA Website, or such other form for the presentation of
such information and containing such additional information as may from time to
time be recommended by the CMSA for commercial mortgage-backed securities
transactions generally (unless the Controlling Class Representative and the
Rating Agencies otherwise consent to an alternative form of such report, and
written notice of such alternative form is provided to the Master Servicer and
the Special Servicer).

            "CMSA Financial File" shall mean a data file substantially in the
form of, and containing the information called for in, the downloadable form of
the "Financial File" available as of the Closing Date on the CMSA Website, or
such other form for the presentation of such information and containing such
additional information as may from time to time be recommended by the CMSA for
commercial mortgage-backed securities transactions generally (unless the
Controlling Class Representative and the Rating Agencies otherwise consent to an
alternative form of such report, and written notice of such alternative form is
provided to the Master Servicer and the Special Servicer).

            "CMSA Historical Loan Modification and Corrected Mortgage Loan
Report" shall mean a report substantially in the form of, and containing the
information called for in, the downloadable form of the "Historical Loan
Modification and Corrected Mortgage Loan Report" available as of the Closing
Date on the CMSA Website, or such other form for the presentation of such
information and containing such additional information as may from time to time
be recommended by the CMSA for commercial mortgage-backed securities
transactions generally (unless the Controlling Class Representative and the
Rating Agencies otherwise consent to an alternative form of such report, and
written notice of such alternative form is provided to the Master Servicer and
the Special Servicer).

            "CMSA Investor Reporting Package" shall mean, collectively:

            (a) the following seven electronic files: (i) CMSA Loan Setup File,
      (ii) CMSA Loan Periodic Update File, (iii) CMSA Property File, (iv) CMSA
      Bond Level File, (v) CMSA Financial File, (vi) CMSA Collateral Summary
      File and (vii) CMSA Special Servicer Loan File; and

            (b) the following ten supplemental reports: (i) CMSA Delinquent Loan
      Status Report, (ii) CMSA Historical Loan Modification and Corrected
      Mortgage Loan Report, (iii) CMSA Total Loan Report, (iv) CMSA REO Status
      Report, (v) CMSA Operating Statement Analysis Report, (vi) CMSA
      Comparative Financial Status Report, (vii) CMSA Servicer Watch List,
       (viii) CMSA Loan Level Reserve/LOC Report, (ix) CMSA NOI Adjustment
      Worksheets and (x) CMSA Advance Recovery Report; and

            (c) such other reports and data files as CMSA may designate as part
      of the "CMSA Investor Reporting Package" from time to time generally,
      provided that the requirements of any such report or data file shall not
      materially expand the duties of the affected reporting party without such
      party's consent (which consent shall not be unreasonably withheld or
      delayed).

            "CMSA Loan Level Reserve/LOC Report" shall mean a report
substantially in the form of, and containing the information called for in, the
downloadable form of the "Loan Level Reserve/LOC Report" available as of the
Closing Date on the CMSA Website, or in such other form for the presentation of
such information and containing such additional information as may from time to
time be recommended by the CMSA for commercial mortgage-backed securities
transactions generally (unless the Controlling Class Representative and the
Rating Agencies otherwise consent to an alternative form of such report, and
written notice of such alternative form is provided to the Master Servicer and
the Special Servicer).

            "CMSA Loan Periodic Update File" shall mean a monthly report
substantially in the form of, and containing the information called for in, the
downloadable form of the "Loan Periodic Update File" available as of the Closing
Date on the CMSA Website, or such other form for the presentation of such
information and containing such additional information as may from time to time
be recommended by the CMSA for commercial mortgage-backed securities
transactions generally (unless the Trustee, the Controlling Class Representative
and the Rating Agencies otherwise consent to an alternative form of such report,
and written notice of such alternative form is provided to the Master Servicer
and the Special Servicer).

            "CMSA Loan Setup File" shall mean a report substantially in the form
of, and containing the information called for in, the downloadable form of the
"Mortgage Loan Setup File" available as of the Closing Date on the CMSA Website,
or such other form for the presentation of such information and containing such
additional information as may from time to time be recommended by the CMSA for
commercial mortgage-backed securities transactions generally (unless the
Controlling Class Representative and the Rating Agencies otherwise consent to an
alternative form of such report, and written notice of such alternative form is
provided to the Master Servicer and the Special Servicer).

                  "CMSA NOI Adjustment Worksheet" shall mean a report
substantially in the form of, and containing the information called for in, the
downloadable form of the "NOI Adjustment Worksheet" available as of the Closing
Date on the CMSA Website, or such other form for the presentation of such
information and containing such additional information as may from time to time
be recommended by the CMSA for commercial mortgage-backed securities
transactions generally (unless the Controlling Class Representative and the
Rating Agencies otherwise consent to an alternative form of such report, and
written notice of such alternative form is provided to the Master Servicer and
the Special Servicer).

            "CMSA Operating Statement Analysis Report" shall mean a report
substantially in the form of, and containing the information called for in, the
downloadable form of the "Operating Statement Analysis Report" available as of
the Closing Date on the CMSA Website or such other form for the presentation of
such information and containing such additional information as may from time to
time be recommended by the CMSA for commercial mortgage-backed securities
transactions generally (unless the Controlling Class Representative and the
Rating Agencies otherwise consent to an alternative form of such report, and
written notice of such alternative form is provided to the Master Servicer and
the Special Servicer).

            "CMSA Property File" shall mean a report substantially in the form
of, and containing the information called for in, the downloadable form of the
"Property File" available as of the Closing Date on the CMSA Website, or such
other form for the presentation of such information and containing such
additional information as may from time to time be recommended by the CMSA for
commercial mortgage-backed securities transactions generally (unless the
Controlling Class Representative and the Rating Agencies otherwise consent to an
alternative form of such report, and written notice of such alternative form is
provided to the Master Servicer and the Special Servicer).

            "CMSA Property Inspection Form" shall mean a form of report
substantially in the form of, and containing the information called for in, the
downloadable "Property Inspection Form" available as of the Closing Date on the
CMSA Website, or such other form for the presentation of such information and
containing such additional information as may from time to time be recommended
by the CMSA for commercial mortgage-backed securities transactions generally
(unless the Controlling Class Representative and the Rating Agencies otherwise
consent to an alternative form of such report, and written notice of such
alternative form is provided to the Master Servicer and the Special Servicer).

            "CMSA Realized Loss Report" shall mean a report substantially in the
form of, and containing the information called for in, the downloadable form of
the "Realized Loss Report" available as of the Closing Date on the CMSA Website,
or such other form for the presentation of such information and containing such
additional information as may from time to time be recommended by the CMSA for
commercial mortgage-backed securities transactions generally (unless the
Controlling Class Representative and the Rating Agencies otherwise consent to an
alternative form of such report, and written notice of such alternative form is
provided to the Master Servicer and the Special Servicer).

            "CMSA REO Status Report" shall mean a report substantially in the
form of, and containing the information called for in, the downloadable form of
the "REO Status Report" available as of the Closing Date on the CMSA Website, or
such other form for the presentation of such information and containing such
additional information as may from time to time be recommended by the CMSA for
commercial mortgage-backed securities transactions generally (unless the
Controlling Class Representative and the Rating Agencies otherwise consent to an
alternative form of such report, and written notice of such alternative form is
provided to the Master Servicer and the Special Servicer).

            "CMSA Servicer Watch List" shall mean a report substantially in the
form of, and containing the information called for in, the downloadable form of
"Servicer Watch List" available as of the Closing Date on the CMSA Website, or
such other form for the presentation of such information and containing such
additional information as may from time to time be recommended by the CMSA for
commercial mortgage-backed securities transactions generally (unless the
Controlling Class Representative and the Rating Agencies otherwise consent to an
alternative form of such report, and written notice of such alternative form is
provided to the Master Servicer and the Special Servicer).

            "CMSA Special Servicer Loan File" shall mean a report substantially
in the form of, and containing the information called for in, the downloadable
form of the "Special Servicer Loan File" available as of the Closing Date on the
CMSA Website, or such other form for the presentation of such information and
containing such additional information as may from time to time be recommended
by the CMSA for commercial mortgage-backed securities transactions generally
(unless the Controlling Class Representative and the Rating Agencies otherwise
consent to an alternative form of such report, and written notice of such
alternative form is provided to the Master Servicer and the Special Servicer).

            "CMSA Total Loan Report" shall mean monthly report substantially in
the form of, and containing the information called for in, the downloadable form
of the "CMSA Total Loan Report" available as of the Closing Date on the CMSA
Website, or such other form for the presentation of such information and
containing such additional information as may from time be recommended by the
CMSA for commercial mortgage-backed securities transactions generally (unless
the Controlling Class Representative and the Rating Agencies otherwise consent
to an alternative form of such report, and written notice of such alternative
form is provided to the Master Servicer and the Special Servicer).

             "CMSA Website" shall mean the CMSA's Website located at
"www.cmbs.org" or such other primary website as the CMSA may establish for
dissemination of its report forms.

            "Code" shall mean the Internal Revenue Code of 1986 and regulations
promulgated thereunder, including proposed regulations to the extent that, by
reason of their proposed effective date, could, as of the date of any
determination or opinion as to the tax consequences of any action or proposed
action or transaction, be applied to the Trust or the Certificates.

            "Collection Account" shall mean the segregated account or accounts
created and maintained by the Master Servicer, pursuant to Section 3.04(a), in
trust for the Certificateholders and, after the occurrence of an A/B Material
Default, any related B Loan Holder, which shall be entitled "[Capmark Finance
Inc.][or the name of any successor Master Servicer, as the Master Servicer, in
trust for the registered holders of Credit Suisse First Boston Mortgage
Securities Corp., Commercial Mortgage Pass-Through Certificates, Series 2007-C1,
and the B Loan Holders, as applicable, as their interests may appear, Collection
Account." Any such account or accounts shall be an Eligible Account and shall be
part of the Lower-Tier REMIC other than any funds therein allocable to a B Loan.

            "Collection Period" shall mean, with respect to any Distribution
Date, the period commencing on the date immediately following the Determination
Date in the calendar month preceding the month in which such Distribution Date
occurs (or, in the case of the initial Distribution Date, commencing as of the
Closing Date) and ending on and including the Determination Date in the calendar
month in which such Distribution Date occurs.

             "Column" shall mean Column Financial, Inc., together with
its successors in interest.

            "Column Mortgage Loan" shall mean any Mortgage Loan that is either
an Original Column Mortgage Loan or a Replacement Mortgage Loan that was
delivered under the Column Mortgage Loan Purchase Agreement or the Column
Performance Guarantee in substitution for an Original Column Mortgage Loan.

            "Column Mortgage Loan Purchase Agreement" shall have the meaning
assigned thereto in the Preliminary Statement to this Agreement.

            "Column Mortgage Loan Seller" shall mean Column, in its capacity as
mortgage loan seller with respect to the Column Mortgage Loans.

            "Column Performance Guarantee" shall mean the Guarantee dated as of
March 1, 2007, from the Column Performance Guarantor in favor of the Trustee,
relating to the obligations of Column under Section 5 of the Column Mortgage
Loan Purchase Agreement.

            "Column Performance Guarantor" shall mean Credit Suisse
(USA), Inc., its successor in interest or any successor guarantor under
the Column Performance Guarantee.

            "Column Primary Servicer" shall mean Column, in its capacity as
Designated Sub-Servicer with respect to the Column Serviced Loans.

            "Column Serviced Loan" shall mean any Column Mortgage Loan that is
specified on Exhibit L as being primary serviced by the Column Primary Servicer.

            "Commission" shall mean the Securities and Exchange Commission or
any successor thereto.

             "Compensating Interest Payment" shall mean, with respect to any
Distribution Date, any payment made by the Master Servicer pursuant to Section
3.19(a) to cover Prepayment Interest Shortfalls incurred during the related
Collection Period.

            "Component" shall mean each of Component A-1-1, Component A-1-2,
Component A-2-1, Component A-2-2, Component A-2-3, Component A-AB-1, Component
A-AB-2, Component A-AB-3, Component A-AB-4, Component A-3-1, Component A-3-2,
Component A-3-3, Component A-3-4, Component A-3-5, Component A-1-A-1, Component
A-1-A-2, Component A-1-A-3, Component A-1-A-4, Component A-1-A-5, Component
A-1-A-6, Component A-1-A-7, Component A-1-A-8, Component A-M, Component A-MFL,
Component A-J, Component B, Component C-1, Component C-2, Component D-1,
Component D-2, Component E, Component F-1, Component F-2, Component G, Component
H, Component J, Component K, Component L, Component M, Component N, Component O,
Component P, Component Q, Component S and Component T.

            "Component A-1-1" shall mean one of the 45 components of the Class
A-X Certificates having a Component Notional Amount equal to the then current
Lower-Tier Principal Amount of the Class LA-1-1 Uncertificated Interest as of
any date of determination.

            "Component A-1-2" shall mean one of the 45 components of the Class
A-X Certificates and one of the 32 components of the Class A-SP Certificates
having a Component Notional Amount equal to the then current Lower-Tier
Principal Amount of the Class LA-1-2 Uncertificated Interest as of any date of
determination.

            "Component A-1-A-1" shall mean one of the 45 components of the Class
A-X Certificates having a Component Notional Amount equal to the then current
Lower-Tier Principal Amount of the Class LA-1-A-1 Uncertificated Interest as of
any date of determination.

            "Component A-1-A-2" shall mean one of the 45 components of the Class
A-X Certificates and one of the 32 components of the Class A-SP Certificates
having a Component Notional Amount equal to the then current Lower-Tier
Principal Amount of the Class LA-1-A-2 Uncertificated Interest as of any date of
determination.

            "Component A-1-A-3" shall mean one of the 45 components of the Class
A-X Certificates and one of the 32 components of the Class A-SP Certificates
having a Component Notional Amount equal to the then current Lower-Tier
Principal Amount of the Class LA-1-A-3 Uncertificated Interest as of any date of
determination.

            "Component A-1-A-4" shall mean one of the 45 components of the Class
A-X Certificates and one of the 32 components of the Class A-SP Certificates
having a Component Notional Amount equal to the then current Lower-Tier
Principal Amount of the Class LA-1-A-4 Uncertificated Interest as of any date of
determination.

            "Component A-1-5" shall mean one of the 45 components of the Class
A-X Certificates and one of the 32 components of the Class A-SP Certificates
having a Component Notional Amount equal to the then current Lower-Tier
Principal Amount of the Class LA-1-A-5 Uncertificated Interest as of any date of
determination.

            "Component A-1-A-6" shall mean one of the 45 components of the Class
A-X Certificates and one of the 32 components of the Class A-SP Certificates
having a Component Notional Amount equal to the then current Lower-Tier
Principal Amount of the Class LA-1-A-6 Uncertificated Interest as of any date of
determination.

            "Component A-1-A-7" shall mean one of the 45 components of the Class
A-X Certificates and one of the 32 components of the Class A-SP Certificates
having a Component Notional Amount equal to the then current Lower-Tier
Principal Amount of the Class LA-1-A-7 Uncertificated Interest as of any date of
determination.

            "Component A-1-A-8" shall mean one of the 45 components of the Class
A-X Certificates and one of the 32 components of the Class A-SP Certificates
having a Component Notional Amount equal to the then current Lower-Tier
Principal Amount of the Class LA-1-A-8 Uncertificated Interest as of any date of
determination.

            "Component A-2-1 shall mean one of the 45 components of the Class
A-X Certificates and one of the 32 components of the Class A-SP Certificates
having a Component Notional Amount equal to the then current Lower-Tier
Principal Amount of the Class LA-2-1 Uncertificated Interest as of any date of
determination.

            "Component A-2-2 shall mean one of the 45 components of the Class
A-X Certificates and one of the 32 components of the Class A-SP Certificates
having a Component Notional Amount equal to the then current Lower-Tier
Principal Amount of the Class LA-2-2 Uncertificated Interest as of any date of
determination.

            "Component A-2-3 shall mean one of the 45 components of the Class
A-X Certificates and one of the 32 components of the Class A-SP Certificates
having a Component Notional Amount equal to the then current Lower-Tier
Principal Amount of the Class LA-2-3 Uncertificated Interest as of any date of
determination.

            "Component A-3-1" shall mean one of the 45 components of the Class
A-X Certificates and one of the 32 components of the Class A-SP Certificates
having a Component Notional Amount equal to the then current Lower-Tier
Principal Amount of the Class LA-3-1 Uncertificated Interest as of any date of
determination.

            "Component A-3-2" shall mean one of the 45 components of the Class
A-X Certificates and one of the 32 components of the Class A-SP Certificates
having a Component Notional Amount equal to the then current Lower-Tier
Principal Amount of the Class LA-3-2 Uncertificated Interest as of any date of
determination.

            "Component A-3-3" shall mean one of the 45 components of the Class
A-X Certificates and one of the 32 components of the Class A-SP Certificates
having a Component Notional Amount equal to the then current Lower-Tier
Principal Amount of the Class LA-3-3 Uncertificated Interest as of any date of
determination.

            "Component A-3-4" shall mean one of the 45 components of the Class
A-X Certificates and one of the 32 components of the Class A-SP Certificates
having a Component Notional Amount equal to the then current Lower-Tier
Principal Amount of the Class LA-3-4 Uncertificated Interest as of any date of
determination.

             "Component A-3-5" shall mean one of the 45 components of the Class
A-X Certificates and one of the 32 components of the Class A-SP Certificates
having a Component Notional Amount equal to the then current Lower-Tier
Principal Amount of the Class LA-3-5 Uncertificated Interest as of any date of
determination.

            "Component A-AB-1" shall mean one of the 45 components of the Class
A-X Certificates and one of the 32 components of the Class A-SP Certificates
having a Component Notional Amount equal to the then current Lower-Tier
Principal Amount of the Class LA-AB-1 Uncertificated Interest as of any date of
determination.

            "Component A-AB-2" shall mean one of the 45 components of the Class
A-X Certificates and one of the 32 components of the Class A-SP Certificates
having a Component Notional Amount equal to the then current Lower-Tier
Principal Amount of the Class LA-AB-2 Uncertificated Interest as of any date of
determination.

            "Component A-AB-3" shall mean one of the 45 components of the Class
A-X Certificates and one of the 32 components of the Class A-SP Certificates
having a Component Notional Amount equal to the then current Lower-Tier
Principal Amount of the Class LA-AB-3 Uncertificated Interest as of any date of
determination.

            "Component A-AB-4" shall mean one of the 45 components of the Class
A-X Certificates and one of the 32 components of the Class A-SP Certificates
having a Component Notional Amount equal to the then current Lower-Tier
Principal Amount of the Class LA-AB-4 Uncertificated Interest as of any date of
determination.

            "Component A-M" shall mean one of the 45 components of the Class A-X
Certificates and one of the 32 components of the Class A-SP Certificates having
a Component Notional Amount equal to the then current Lower-Tier Principal
Amount of the Class LA-M Uncertificated Interest as of any date of
determination.

            "Component A-MFL" shall mean one of the 45 components of the Class
A-X Certificates and one of the 32 components of the Class A-SP Certificates
having a Component Notional Amount equal to the then current Lower-Tier
Principal Amount of the Class LA-MFL Uncertificated Interest as of any date of
determination.

            "Component A-J" shall mean one of the 45 components of the Class A-X
Certificates and one of the 32 components of the Class A-SP Certificates having
a Component Notional Amount equal to the then current Lower-Tier Principal
Amount of the Class LA-J Uncertificated Interest as of any date of
determination.

            "Component B" shall mean one of the 45 components of the Class A-X
Certificates and one of the 32 components of the Class A-SP Certificates having
a Component Notional Amount equal to the then current Lower-Tier Principal
Amount of the Class LB Uncertificated Interest as of any date of determination.

            "Component C-1" shall mean one of the 45 components of the Class A-X
Certificates and one of the 32 components of the Class A-SP Certificates having
a Component Notional Amount equal to the then current Lower-Tier Principal
Amount of the Class LC-1 Uncertificated Interest as of any date of
determination.

            "Component C-2" shall mean one of the 45 components of the Class A-X
Certificates and one of the 32 components of the Class A-SP Certificates having
a Component Notional Amount equal to the then current Lower-Tier Principal
Amount of the Class LC-2 Uncertificated Interest as of any date of
determination.

            "Component Crossover Date" shall mean, with respect to each Class
A-SP Component, the related Crossover Date as set forth in the table below:

<TABLE>
<CAPTION>
Class A-SP Component                                               Component Crossover Date
-------------------------------------------------------------    ----------------------------
<S>                                                              <C>
Components A-1-2, A-2-1 and A-1-A-2                              March 2008 Distribution Date
Components A-2-2 and A-1-A-3                                      March 2009 Distribution Date
Components A-2-3, A-3-1 and A-1-A-4                              March 2010 Distribution Date
Components A-AB-1, A-3-2, A-1-A-5, F-1 and G                     March 2011 Distribution Date
Components A-AB-2, A-3-3, A-1-A-6, D-1, E and F-2                March 2012 Distribution Date
Components A-AB-3, A-3-4, A-1-A-7, C-1 and D-2                   March 2013 Distribution Date
Components A-AB-4, A-3-5, A-1-A-8, A-M, A-MFL, A-J, B and C-2    March 2014 Distribution Date
</TABLE>

            "Component D-1" shall mean one of the 45 components of the Class A-X
Certificates and one of the 32 components of the Class A-SP Certificates having
a Component Notional Amount equal to the then current Lower-Tier Principal
Amount of the Class LD-1 Uncertificated Interest as of any date of
determination.

            "Component D-2" shall mean one of the 45 components of the Class A-X
Certificates and one of the 32 components of the Class A-SP Certificates having
a Component Notional Amount equal to the then current Lower-Tier Principal
Amount of the Class LD-2 Uncertificated Interest as of any date of
determination.

            "Component E" shall mean one of the 45 components of the Class A-X
Certificates and one of the 32 components of the Class A-SP Certificates having
a Component Notional Amount equal to the then current Lower-Tier Principal
Amount of the Class LE Uncertificated Interest as of any date of determination.

            "Component F-1" shall mean one of the 45 components of the Class A-X
Certificates and one of the 32 components of the Class A-SP Certificates having
a Component Notional Amount equal to the then current Lower-Tier Principal
Amount of the Class LF-1 Uncertificated Interest as of any date of
determination.

            "Component F-2" shall mean one of the 45 components of the Class A-X
Certificates and one of the 32 components of the Class A-SP Certificates having
a Component Notional Amount equal to the then current Lower-Tier Principal
Amount of the Class LF-2 Uncertificated Interest as of any date of
determination.

            "Component G" shall mean one of the 45 components of the Class A-X
Certificates and one of the 32 components of the Class A-SP Certificates having
a Component Notional Amount equal to the then current Lower-Tier Principal
Amount of the Class LG Uncertificated Interest as of any date of determination.

            "Component H" shall mean one of the 45 components of the Class A-X
Certificates having a Component Notional Amount equal to the then current
Lower-Tier Principal Amount of the Class LH Uncertificated Interest as of any
date of determination.

            "Component J" shall mean one of the 45 components of the Class A-X
Certificates having a Component Notional Amount equal to the then current
Lower-Tier Principal Amount of the Class LJ Uncertificated Interest as of any
date of determination.

            "Component K" shall mean one of the 45 components of the Class A-X
Certificates having a Component Notional Amount equal to the then current
Lower-Tier Principal Amount of the Class LK Uncertificated Interest as of any
date of determination.

            "Component L" shall mean one of the 45 components of the Class A-X
Certificates having a Component Notional Amount equal to the then current
Lower-Tier Principal Amount of the Class LL Uncertificated Interest as of any
date of determination.

            "Component M" shall mean one of the 45 components of the Class A-X
Certificates having a Component Notional Amount equal to the then current
Lower-Tier Principal Amount of the Class LM Uncertificated Interest as of any
date of determination.

            "Component N" shall mean one of the 45 components of the Class A-X
Certificates having a Component Notional Amount equal to the then current
Lower-Tier Principal Amount of the Class LN Uncertificated Interest as of any
date of determination.

            "Component Notional Amount" shall mean, with respect to each
Component and any date of determination, an amount equal to the then Lower-Tier
Principal Amount of its Related Uncertificated Lower-Tier Interest.

            "Component O" shall mean one of the 45 components of the Class A-X
Certificates having a Component Notional Amount equal to the then current
Lower-Tier Principal Amount of the Class LO Uncertificated Interest as of any
date of determination.

            "Component P" shall mean one of the 45 components of the Class A-X
Certificates having a Component Notional Amount equal to the then current
Lower-Tier Principal Amount of the Class LP Uncertificated Interest as of any
date of determination.

            "Component Q" shall mean one of the 45 components of the Class A-X
Certificates having a Component Notional Amount equal to the then current
Lower-Tier Principal Amount of the Class LQ Uncertificated Interest as of any
date of determination.

            "Component S" shall mean one of the 45 components of the Class A-X
Certificates having a Component Notional Amount equal to the then current
Lower-Tier Principal Amount of the Class LS Uncertificated Interest as of any
date of determination.

            "Component T" shall mean one of the 45 components of the Class A-X
Certificates having a Component Notional Amount equal to the then current
Lower-Tier Principal Amount of the Class LT Uncertificated Interest as of any
date of determination.

            "Condemnation Proceeds" shall mean all cash amounts actually
received by the Trust or by the Master Servicer or the Special Servicer on its
behalf in connection with the taking of all or a part of a Mortgaged Property by
exercise of the power of eminent domain or condemnation, exclusive of any
portion thereof required to be released to the related Borrower or any other
third-party in accordance with applicable law and/or the terms and conditions of
the related Mortgage Loan Documents or any other applicable document.

            "Confidential Offering Circular" shall mean the final Confidential
Offering Circular dated March 1, 2007, relating to certain classes of the
Non-Registered Certificates.

            "Controlling Class" shall mean, as of any date of determination, the
eligible Class of Principal Balance Certificates with the lowest payment
priority pursuant to Sections 4.01(a) and 4.01(b), that has a then outstanding
Class Principal Balance that is not less than 25% of its initial Class Principal
Balance; provided that, if no eligible Class of Principal Balance Certificates
has a Class Principal Balance that satisfies the foregoing requirement, then the
Controlling Class shall be the eligible Class of Principal Balance Certificates
with the lowest payment priority pursuant to Sections 4.01(a) and 4.01(b), that
has a then outstanding Class Principal Balance greater than zero. For purposes
of this definition, all of the Class A-P&I Certificates shall be treated as a
single Class and, if appropriate under the terms of this definition, shall
collectively constitute the Controlling Class. As of the Closing Date, the
Controlling Class shall be the Class T Certificates.

            "Controlling Class Certificateholder" shall mean any Holder of
Certificates of the related Controlling Class.

            "Controlling Class Representative" shall have the meaning assigned
thereto in Section 3.23(a).

            "Corporate Trust Office" shall mean the corporate trust office of
the Trustee 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 (i) for Certificate transfer purposes, at
Sixth & Marquette, Minneapolis, Minnesota 55479-0113, Attention: Corporate Trust
Services - Credit Suisse First Boston Mortgage Securities Corp., Commercial
Mortgage Pass-Through Certificates, Series 2007-C1 and (ii) for all other
purposes, at 9062 Old Annapolis Road, Columbia, Maryland 21045-1951, Attention:
Corporate Trust Services - Credit Suisse First Boston Mortgage Securities Corp.,
Commercial Mortgage Pass-Through Certificates, Series 2007-C1.

            "Corrected Mortgage Loan" shall mean any Mortgage Loan that had been
a Specially Serviced Mortgage Loan but as to which all Servicing Transfer Events
have ceased to exist.

            "Credit Suisse" shall mean Credit Suisse Securities (USA) LLC or its
successor in interest.

            "Cross-Collateralized Group" shall mean any group of Mortgage Loans
that is cross-defaulted and cross-collateralized with each other.

            "Cross-Collateralized Mortgage Loan" shall mean any Mortgage Loan,
that is, by its terms, cross-defaulted and cross-collateralized with any other
Mortgage Loan. For the avoidance of doubt, no A Loan or B Loan shall be deemed a
Cross-Collateralized Mortgage Loan under this Agreement.

            "Crossed Mortgage Loan Repurchase Criteria" shall mean (i) the debt
service coverage ratio for any related Cross-Collateralized Mortgage Loans that
remain in the Trust is not less than the debt service coverage ratio for such
Cross-Collateralized Mortgage Loans, including the affected Cross-Collateralized
Mortgage Loan, immediately preceding the repurchase or substitution and (ii) the
loan-to-value ratio for any related Cross-Collateralized Mortgage Loans that
remain in the Trust is not greater than the loan-to-value ratio for such
Cross-Collateralized Mortgage Loans including the affected Cross-Collateralized
Mortgage Loan immediately preceding the repurchase or substitution.

            "Cure Event" shall mean the exercise by any B Loan Holder of the
cure rights, if any, set forth in the related Intercreditor Agreement, in each
case in accordance with the applicable Intercreditor Agreement.

            "Cure Payments" shall mean, with respect to any A/B Loan Pair, as to
which the related Intercreditor Agreement provides that a B Loan Holder shall be
entitled to cure a default under the related Mortgage Loan, the payments that
such B Loan Holder makes to the Master Servicer, Special Servicer or Trustee, as
applicable, which payments shall consist (without duplication) of all actual
costs, expenses, losses, obligations, damages, penalties, and disbursements
imposed on or incurred (whether or not yet paid) by the Master Servicer, Special
Servicer or Trustee, as applicable (including, without limitation, all
unreimbursed Advances (without regard to whether such Advance would be a
Nonrecoverable Advance), and any interest accrued thereon, Default Interest and
any servicing compensation incurred with respect to the related Mortgage Loan)
during the period of time from the expiration of the grace period under such
Mortgage Loan that gave rise to such Cure Event until such Cure Payment is made
or such other cure is otherwise effected.

            "Custodian" shall mean a Person who is at any time appointed by the
Trustee pursuant to Section 8.11 as a document custodian for the Mortgage Files,
which document custodian shall initially be the Trustee.

            "Cut-off Date" shall mean, individually and collectively, the
respective Due Dates for the Original Mortgage Loans in March 2007, except that
in the case of certain of the underlying mortgage loans that have their first
due date in April 2007, the Cut-off Date for those Mortgage Loans will be
considered to be the equivalent day of the month in March 2007 had their first
due date been in March 2007.

            "Cut-off Date Principal Balance" shall mean, with respect to any
Original Mortgage Loan, the outstanding principal balance of such Mortgage Loan
as of its Due Date in March 2007, after application of all payments of principal
due on or before such date, whether or not received.

            "Default Charges" shall mean Default Interest and/or late payment
charges that are paid or payable, as the context may require, in respect of any
Mortgage Loan or REO Mortgage Loan.

            "Defaulted Mortgage Loan" shall mean a Mortgage Loan that is at
least sixty days delinquent in respect of its Monthly Payments, or 90 days
delinquent in respect of its Balloon Payment (or, if the borrower has delivered
a refinancing commitment reasonably acceptable to the Special Servicer, for such
longer period, not to exceed 150 days beyond the date on which that Balloon
Payment was due, during which the refinancing would occur), if any, in each case
without giving effect to any grace period permitted by the related Mortgage or
Note, or if any non-monetary event of default occurs that results in the
Mortgage Loan becoming a Specially Serviced Mortgage Loan; provided, however,
that no Monthly Payment (other than a Balloon Payment) shall be deemed
delinquent if less than ten dollars of all amounts due and payable on such
Mortgage Loan has not been received.

            "Default Interest" shall mean, with respect to any Mortgage Loan (or
successor REO Mortgage Loan), any amounts collected thereon, other than late
payment charges, Yield Maintenance Charges, that represent interest (other than,
if applicable, Post-ARD Additional Interest) in excess of interest accrued on
the principal balance of such Mortgage Loan (or REO Mortgage Loan) at the
related Mortgage Rate, such excess interest arising out of a default under such
Mortgage Loan.

            "Defaulting Party" shall have the meaning assigned thereto in
Section 7.01(b).

            "Defective Mortgage Loan" shall mean any Mortgage Loan as to which
there exists a Material Breach or a Material Document Defect that has not been
cured in all material respects.

            "Definitive Certificate" shall have the meaning assigned thereto in
Section 5.03(a).

            "Deleted Mortgage Loan" shall mean a Mortgage Loan that is purchased
or repurchased, as the case may be, from the Trust or replaced with one or more
Replacement Mortgage Loans, in either case as contemplated by Section 2.03.

            "Depositor" shall have the meaning assigned thereto in the
Preliminary Statement to this Agreement.

            "Depository" shall mean The Depository Trust Company, or any
successor depository hereafter named. The nominee of the initial Depository for
purposes of registering those Certificates that are to be Book-Entry
Certificates, is Cede & Co. The Depository shall at all times be a "clearing
corporation" as defined in Section 8-102(3) of the Uniform Commercial Code of
the State of New York and a "clearing agency" registered pursuant to the
provisions of Section 17A of the Exchange Act.

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

            "Designated Sub-Servicer" shall mean any Sub-Servicer set forth on
Exhibit L hereto and any successor thereto under the related Sub-Servicing
Agreement.

            "Designated Sub-Servicer Agreement" shall mean any Sub-Servicing
Agreement between a Designated Sub-Servicer and the Master Servicer.

            "Determination Date" shall mean, with respect to any calendar month,
commencing in April 2007, the 11th day of such calendar month (or, if such 11th
day is not a Business Day, the next succeeding Business Day). Each Determination
Date will relate to the Distribution Date in the same calendar month.

            "Directly Operate" shall mean, with respect to any REO Property, the
furnishing or rendering of services to the tenants thereof that are not (within
the meaning of Treasury Regulations Section 1.512(b)-1(c)(5)) customarily
provided to tenants in connection with the rental of space for occupancy, the
management or operation of such REO Property, the holding of such REO Property
primarily for sale to customers in the ordinary course of a trade or business,
the performance of any construction work thereon or any use of such REO Property
in a trade or business conducted by the Trust Fund, in each case other than
through an Independent Contractor; provided, however, that the Trustee (or the
Master Servicer or the Special Servicer on behalf of the Trustee) shall not be
considered to Directly Operate an REO Property solely because the Trustee (or
the Master Servicer or the Special Servicer on behalf of the Trustee)
establishes rental terms, chooses tenants, enters into or renews leases, deals
with taxes and insurance or makes decisions as to repairs (of the type that
would be deductible under Section 162 of the Code) or capital expenditures with
respect to such REO Property.

            "Disqualified Organization" shall mean any of the following: (i) the
United States or a possession thereof, any State or any political subdivision
thereof, or any agency or instrumentality of any of the foregoing (other than an
instrumentality which is a corporation if all of its activities are subject to
tax and, except for Freddie Mac, a majority of its board of directors is not
selected by any such governmental unit), (ii) a foreign government,
international organization, or any agency or instrumentality of either of the
foregoing, (iii) any organization (except certain farmers' cooperatives
described in Section 521 of the Code) which is exempt from the tax imposed by
Chapter 1 of the Code (unless such organization is subject to the tax imposed by
Section 511 of the Code on unrelated business taxable income), (iv) rural
electric and telephone cooperatives described in Section 1381 of the Code or (v)
any other Person so designated by the Trustee, based upon an Opinion of Counsel
delivered to the Trustee to the effect that the holding of an Ownership Interest
in a Class R or Class LR Certificate by such Person may cause (A) either of the
Lower-Tier REMIC or the Upper-Tier REMIC to fail to qualify as a REMIC or (B)
the Trust or any Person having an Ownership Interest in any Class of
Certificates, other than such Person, to incur a liability for any federal tax
imposed under the Code that would not otherwise be imposed but for the Transfer
of an Ownership Interest in a Class R or Class LR Certificate to such Person.
The terms "United States," "State" and "international organization" shall have
the meanings set forth in Section 7701 of the Code or successor provisions.

            "Disqualified Non-United States Tax Person" shall mean, with respect
to any Class R or Class LR Certificate, any Non-United States Tax Person or
agent thereof other than: (1) a Non-United States Tax Person that (a) holds such
Class R or Class LR Certificate and, for purposes of Treasury Regulations
Section 1.860G-3(a)(3), is subject to tax under Section 882 of the Code, (b)
certifies that it understands that, for purposes of Treasury Regulations Section
1.860E-1(c)(4)(ii), as a holder of such Class R or Class LR Certificate for
United States federal income tax purposes, it may incur tax liabilities in
excess of any cash flows generated by such Class R or Class LR Certificate and
intends to pay taxes associated with holding such Class R or Class LR
Certificate, and (c) has furnished the Transferor and the Trustee with an
effective IRS Form W-8ECI or successor form and has agreed to update such form
as required under the applicable Treasury regulations; or (2) a Non-United
States Tax Person that has delivered to the Transferor, the Trustee and the
Certificate Registrar an opinion of nationally recognized tax counsel to the
effect that (x) the Transfer of such Class R or Class LR Certificate to it is in
accordance with the requirements of the Code and the regulations promulgated
thereunder and (y) such Transfer of such Class R or Class LR Certificate will
not be disregarded for United States federal income tax purposes.

            "Distribution Account" shall mean collectively, the Upper-Tier
Distribution Account, the Lower-Tier Distribution Account and the Post-ARD
Additional Interest Distribution Account, which may be sub-accounts of a single
account.

            "Distribution Date" shall mean, with respect to any calendar month,
commencing in April 2007, the fourth Business Day following the Determination
Date in such calendar month.

            "Document Defect" shall mean, with respect to any Mortgage Loan,
that any document required to be part of the related Mortgage File has not been
properly executed, is missing, contains information that does not conform in any
material respect with the corresponding information set forth in the Mortgage
Loan Schedule (and the terms of such document have not been modified by written
instrument contained in the related Mortgage File), or does not appear to be
regular on its face.

            "Do Not Hire List" shall mean the list, as may be updated at any
time, provided by the Depositor to the Master Servicer, Special Servicer and
Trustee, which lists certain parties identified by the Depositor as having
materially failed to comply with their respective obligations under Article XII
of this Agreement or as having materially failed to comply with any similar
Regulation AB reporting requirements under any pooling and servicing agreement
relating to any other series of certificates offered by the Depositor.

            "Due Date" shall mean with respect to any Mortgage Loan (and any
successor REO Mortgage Loan), the day of the month set forth in the related
Mortgage Note on which each Monthly Payment on such Mortgage Loan is first
scheduled to be due (without regard to any applicable grace period).

            "Earn-Out Reserve Funds" shall mean Reserve Funds as to which any
release thereof to the related Borrower is tied to conditions relating to the
economic performance, value and/or occupancy of the subject Mortgaged Property.

            "EDGAR" shall mean the Electronic Data Gathering, Analysis, and
Retrieval System of the Commission, which is the computer system for the
receipt, acceptance, review and dissemination of documents submitted to the
Commission in electronic format.

            "Eligible Account" shall mean any of (i) an account maintained with
a federal or state chartered depository institution or trust company, the
long-term deposit or long-term unsecured debt obligations of which are rated no
less than "AA-" by Fitch (or "A+" by Fitch if the short term unsecured debt
obligations thereof are rated at least "A-1" by Fitch) and "Aa3" by Moody's (if
the deposits are to be held in the account for more than 30 days), or the
short-term deposit or short-term unsecured debt obligations of which are rated
no less than "P-1" by Moody's and "A-1" by Fitch (if the deposits are to be held
in the account for 30 days or less), in any event at any time funds are on
deposit therein; (ii) a segregated trust account maintained with a federal or
state chartered depository institution or trust company acting in its fiduciary
capacity, which, in the case of a state chartered depository institution or
trust company is subject to regulations regarding fiduciary funds on deposit
therein substantially similar to 12 C.F.R. ss. 9.10(b), and which, in either
case, has a combined capital and surplus of at least $50,000,000 and is subject
to supervision or examination by federal or state authority, and provided
further that either such depository institution or its parent has long-term
unsecured debt obligations which are rated at least "Baa3" by Moody's; (iii) an
account or accounts maintained with PNC (A) so long as PNC's long-term unsecured
debt rating shall be at least "A1" from Moody's and "A" from Fitch and its
short-term unsecured debt rating is at least "A-1" from Fitch (if the deposits
are to be held in the account for more than 30 days) or (B) PNC's short-term
deposit or short-term unsecured debt rating shall be at least "P-1" from Moody's
and "A-1" from Fitch (if the deposits are to be held in the account for 30 days
or less); (iv) for so long as Capmark Finance Inc. is acting as the Master
Servicer, a segregated trust account or accounts maintained at Escrow Bank,
Midvale, Utah ("Escrow Bank"), provided that Escrow Bank has corporate trust
powers, is acting in its fiduciary capacity and is subject to regulations
regarding fiduciary funds on deposit therein substantially similar to 12 C.F.R.
ss. 9.10(b); and (v) any other account that is acceptable to the Rating Agencies
(as evidenced by written confirmation to the Trustee from each Rating Agency
that the use of such account would not, in and of itself, result in an Adverse
Rating Event with respect to any Class of Rated Certificates).

            "Environmental Insurance Policy" shall mean, with respect to any
Mortgaged Property or REO Property, any insurance policy covering pollution
conditions and/or other environmental conditions that is maintained from time to
time in respect of such Mortgaged Property or REO Property, as the case may be,
for the benefit of, among others, the Trustee on behalf of the
Certificateholders.

            "ERISA" shall mean the Employee Retirement Income Security Act of
1974, as amended.

            "Escrow Payment" shall mean any payment received by the Master
Servicer or the Special Servicer for the account of any Borrower for application
toward the payment of real estate taxes, assessments, insurance premiums
(including with respect to any Environmental Insurance Policy), ground rents (if
applicable) and similar items in respect of the related Mortgaged Property.

            "Euroclear" shall mean The Euroclear System.

             "Event of Default" shall have the meaning assigned thereto in
Section 7.01(a).

            "Excess Liquidation Proceeds" shall mean the excess, if any, of (a)
the Net Liquidation Proceeds from the sale or liquidation of a Specially
Serviced Mortgage Loan or REO Property, over (b) the sum of (i) the amount
needed to pay all principal, interest (including Additional Interest (if
applicable) and Default Interest) or Yield Maintenance Charges (as applicable)
and late payment charges payable with respect to such Mortgage Loan or related
REO Loan in full (or if such amount relates to an A/B Loan Pair, the amount
needed to pay off such A/B Loan Pair in full), (ii) any other fees that would
constitute Additional Master Servicing Compensation and/or Additional Special
Servicing Compensation, (iii) any related unreimbursed Servicing Advances, (iv)
all unpaid Advance Interest on any related Advances, and (v) any related
Liquidation Fee and/or Special Servicing Fees paid or payable in respect of such
Mortgage Loan or the related REO Loan and (vi) any other Additional Trust Fund
Expenses paid or payable in respect of such Mortgage Loan.

            "Excess Liquidation Proceeds Account" shall mean the account or
sub-account of the Distribution Account created and maintained by the Trustee
pursuant to Section 3.04(d) in trust for the Certificateholders, which shall be
entitled "Wells Fargo Bank, N.A. [or the name of any successor Trustee], as
Trustee, in trust for the registered holders of Credit Suisse First Boston
Mortgage Securities Corp., Commercial Mortgage Pass-Through Certificates, Series
2007-C1, Excess Liquidation Proceeds Account." Any such account shall be an
Eligible Account and shall be an asset of the Lower-Tier REMIC.

            "Exchange Act" shall mean the Securities Exchange Act of 1934, as
amended.

            "Exemption-Favored Party" shall mean any of (i) Credit Suisse, (ii)
any Person directly or indirectly, through one or more intermediaries,
controlling, controlled by or under common control with Credit Suisse, and (iii)
any member of any underwriting syndicate or selling group of which any Person
described in clauses (i) and (ii) is a manager or co-manager with respect to a
Class of Certificates (other than the Class R, Class LR and Class V
Certificates) that is investment grade rated by at least one Rating Agency.

            "Fair Value" shall have the meaning assigned thereto in Section
3.18(b).

            "Fannie Mae" shall mean the Federal National Mortgage Association or
any successor.

            "FDIC" shall mean the Federal Deposit Insurance Corporation or any
successor.

            "FHLMC" shall mean the Federal Home Loan Mortgage Corporation or any
successor.

            "Final Distribution Date" shall mean the final Distribution Date on
which any distributions are to be made on the Certificates as contemplated by
Section 9.01.

            "Final Recovery Determination" shall mean a determination made by
the Special Servicer, in its reasonable judgment, with respect to any Specially
Serviced Mortgage Loan or REO Property (other than a Mortgage Loan that is paid
in full and other than a Mortgage Loan or REO Property, as the case may be, that
is repurchased or replaced by a Mortgage Loan Seller pursuant to the related
Mortgage Loan Purchase Agreement, purchased or replaced by the Column
Performance Guarantor pursuant to the Column Performance Guarantee, purchased by
the Master Servicer, the Special Servicer or any Certificateholder(s) of a
Controlling Class pursuant to Section 9.01 or otherwise acquired by the Sole
Certificateholder(s) in exchange for all the Certificates pursuant to Section
9.01), that there has been a recovery of all related Insurance Proceeds,
Condemnation Proceeds, Liquidation Proceeds and other payments or recoveries
that will ultimately be recoverable.

            "Fitch" shall mean Fitch, Inc. or its successor in interest. If
neither such rating agency nor any successor remains in existence, "Fitch" shall
be deemed to refer to such other nationally recognized statistical rating agency
or other comparable Person designated by the Depositor, notice of which
designation shall be given to the other parties hereto, and specific ratings of
Fitch, Inc. herein referenced shall be deemed to refer to the equivalent ratings
of the party so designated; provided, however, that if such designated party has
not then assigned a rating to a depository institution, insurer or any other
Person or item, then any failure to satisfy a requirement under this Agreement
to meet or maintain such equivalent rating shall not be deemed an Event of
Default or breach of the Servicing Standard solely as a result of such failure.
References herein to "applicable rating category" (other than such references to
"highest applicable rating category") shall, in the case of Fitch, be deemed to
refer to such applicable rating category of Fitch, without regard to any plus or
minus or other comparable rating qualification.

            "Floating Rate Account" shall mean the account, accounts or, subject
to Section 3.04(i), sub-accounts created and maintained by the Trustee, pursuant
to Section 3.04(g), in trust for the Class A-MFL Certificateholders, which,
subject to Section 3.04(i), shall be entitled "Wells Fargo Bank N.A., as
Trustee, for the benefit of registered holders of Credit Suisse First Boston
Mortgage Securities Corp., Commercial Mortgage Pass-Through Certificates, Series
2007-C1, Class A-MFL, Floating Rate Account." Any such account or sub-account
shall be an Eligible Account or, subject to Section 3.04(i), a sub-account of an
Eligible Account.

            "FNMA" shall mean the Federal National Mortgage Association or any
successor thereto

            "Form 8-K Disclosure Information" shall have the meaning assigned
thereto in Section 12.09.

             "Freddie Mac" shall mean the Federal Home Loan Mortgage Corporation
or any successor.

            "GAAP" shall mean generally accepted accounting principles in the
United States.

            "Global Certificate" shall mean, with respect to any Class of
Non-Registered Certificates, any related Regulation S Global Certificate or Rule
144A Global Certificate.

            "Grantor Trust" shall mean a grantor trust as defined under subpart
E of Part 1 of subchapter J of the Code.

            "Grantor Trust Pool" shall mean the Grantor Trust Pool designated as
such in Section 2.11.

            "Grantor Trust Provisions" shall mean Sections 671-679 of the Code
(including Treasury Regulations thereunder) and Treasury Regulations Section
301.7701-4(c).

            "Ground Lease" shall mean the ground lease pursuant to which any
Borrower holds a leasehold interest in the related Mortgaged Property, together
with any estoppels or other agreements executed and delivered by the ground
lessor in favor of the lender under the related Mortgage Loans.

            "Group Environmental Insurance Policy" shall mean an Environmental
Insurance Policy that is maintained from time to time in respect of more than
one Mortgaged Property or REO Property.

            "Hazardous Materials" shall mean any dangerous, toxic or hazardous
pollutants, chemicals, wastes, or substances, including those so identified
pursuant to CERCLA or any other federal, state or local environmental related
laws and regulations now existing or hereafter enacted, and specifically
including asbestos and asbestos-containing materials, polychlorinated biphenyls
("PCBs"), radon gas, petroleum and petroleum products, urea formaldehyde and any
substances classified as being "in inventory," "usable work in process" or
similar classification which would, if classified as unusable, be included in
the foregoing definition.

            "Independent" shall mean, when used with respect to any specified
Person, any such Person who (i) is in fact independent of the Depositor, each
Mortgage Loan Seller, the Master Servicer, the Special Servicer, the Trustee,
the Controlling Class Representative and any and all Affiliates thereof, (ii)
does not have any direct financial interest in or any material indirect
financial interest in any of the Depositor, any Mortgage Loan Seller, the Master
Servicer, the Special Servicer, the Trustee, the Controlling Class
Representative or any Affiliate thereof, and (iii) is not connected with the
Depositor, any Mortgage Loan Seller, the Master Servicer, the Special Servicer,
the Trustee, the Controlling Class Representative or any Affiliate thereof as an
officer, employee, promoter, underwriter, trustee, partner, director or Person
performing similar functions; provided, however, that a Person shall not fail to
be Independent of the Depositor, any Mortgage Loan Seller, the Master Servicer,
the Special Servicer, the Trustee, the Controlling Class Representative or any
Affiliate thereof merely because such Person is the beneficial owner of 1% or
less of any class of debt or equity securities issued by the Depositor, such
Mortgage Loan Seller, such Master Servicer, such Special Servicer, the Trustee,
the Controlling Class Representative or any such Affiliate thereof, as the case
may be, provided such ownership constitutes less than 1% of the total assets of
such Person.

            "Independent Contractor" shall mean: (i) any Person that would be an
"independent contractor" with respect to the Trust Fund within the meaning of
Section 856(d)(3) of the Code if the Trust Fund were a real estate investment
trust (except that the ownership test set forth in that Section shall be
considered to be met by any Person that owns, directly or indirectly, 35% or
more of any Class of Certificates, or such other interest in any Class of
Certificates as is set forth in an Opinion of Counsel, which shall be at no
expense to the Trustee, the Master Servicer or the Trust, delivered to the
Trustee and the Master Servicer), so long as the Trust Fund does not receive or
derive any income from such Person and provided that the relationship between
such Person and the Trust Fund is at arm's length, all within the meaning of
Treasury Regulations Section 1.856-4(b)(5) (except that the Master Servicer or
the Special Servicer shall not be considered to be an Independent Contractor
under the definition in this clause (i) unless an Opinion of Counsel (at the
expense of the party seeking to be deemed an Independent Contractor) has been
delivered to the Trustee to that effect), or (ii) any other Person (including
the Master Servicer and the Special Servicer) upon receipt by the Trustee and
the Master Servicer of an Opinion of Counsel (at the expense of the party
seeking to be deemed an Independent Contractor), to the effect that the taking
of any action in respect of any REO Property by such Person, subject to any
conditions therein specified, that is otherwise herein contemplated to be taken
by an Independent Contractor will not cause such REO Property to cease to
qualify as "foreclosure property" within the meaning of Section 860G(a)(8) of
the Code, or cause any income realized in respect of such REO Property to fail
to qualify as Rents from Real Property.

            "Initial Pool Balance" shall mean the aggregate Cut-off Date
Principal Balance of all the Original Mortgage Loans.

            "Initial Purchaser" shall mean Credit Suisse, as initial purchaser
of the Non-Registered Certificates.

            "Initial Resolution Period" shall have the meaning assigned thereto
in Section 2.03(b).

            "Institutional Accredited Investor" or "IAI" shall mean an
"accredited investor" as defined in any of paragraphs (1), (2), (3) and (7) of
Rule 501(a) under the Securities Act or any entity in which all of the equity
owners come within such paragraphs.

            "Insurance Policy" shall mean, with respect to any Mortgage Loan or
REO Property, any hazard insurance policy, flood insurance policy, title
insurance policy, earthquake insurance policy, Environmental Insurance Policy,
business interruption insurance policy or other insurance policy that is
maintained from time to time in respect of such Mortgage Loan (or the related
Mortgaged Property) or such REO Property, as the case may be.

            "Insurance Proceeds" shall mean proceeds paid under any Insurance
Policy, to the extent such proceeds actually received by the Trust are not
applied to the restoration of the related Mortgaged Property or REO Property or
released to the related Borrower or any other third-party in accordance with
applicable law and/or the terms and conditions of the related Mortgage Loan
Documents or any other applicable document.

            "Insured Environmental Event" shall have the meaning assigned
thereto in Section 3.07(c).

            "Interest Accrual Basis" shall mean the basis on which interest
accrues in respect of any Mortgage Loan, any Class of Regular Certificates or
any Uncertificated Lower-Tier Interest, consisting of one of the following: (i)
a 30/360 Basis; or (ii) an Actual/360 Basis.

            "Interest Accrual Period" shall mean, with respect to any Class of
Regular Certificates (other than the Class A-MFL Certificates), the Class A-MFL
Regular Interest or Uncertificated Lower-Tier Interests, for any Distribution
Date, the calendar month immediately preceding the month in which such
Distribution Date occurs. With respect to the Class A-MFL Certificates for any
Distribution Date, the period from and including the Distribution Date in the
month preceding the month in which the related Distribution Date occurs (or, in
the case of the first Distribution Date, from and including the Closing Date)
to, but excluding, the related Distribution Date; except that, if the Swap
Agreement is terminated and not replaced or if there exists a continuing payment
default by the Swap Counterparty under the Swap Agreement, then the Interest
Accrual Period with respect to the Class A-MFL Certificate for any Distribution
Date will be the same as the Interest Accrual Period for the Class A-MFL Regular
Interest. Each Interest Accrual Period with respect to any Class of Regular
Certificates (other than the Class A-MFL Certificates) and the Class A-MFL
Regular Interest shall be deemed for purposes of this definition to consist of
30 days. Each Interest Accrual Period with respect to the Class A-MFL
Certificates shall be based upon the actual number of days in the related
Interest Accrual Period; except that, if the Swap Agreement is terminated and
not replaced or if there exists a continuing payment default by the Swap
Counterparty under the Swap Agreement, then any Interest Accrual Period with
respect to the Class A-MFL Certificates will also be deemed to consist of 30
days.

            "Interest Only Certificates" shall mean the Class A-X and Class A-SP
Certificates.

            "Interest Reserve Account" shall mean the segregated account or
sub-account created and maintained by the Trustee pursuant to Section 3.04(c) in
trust for the Certificateholders, which shall be entitled "Wells Fargo Bank,
N.A. [or the name of any successor Trustee], as Trustee, in trust for the
registered holders of Credit Suisse First Boston Mortgage Securities Corp.,
Commercial Mortgage Pass-Through Certificates, Series 2007-C1, Interest Reserve
Account." The Interest Reserve Account shall be an asset of the Lower-Tier
REMIC.

            "Interest Reserve Amount" shall mean, with respect to each Interest
Reserve Mortgage Loan and each Distribution Date that occurs during the month of
February of 2008 and each year thereafter or during the month of January of 2009
and each year thereafter that is not a leap year (unless, in either case, the
related Distribution Date is the Final Distribution Date), an amount equal to
one day's interest at the related Net Mortgage Rate on the Stated Principal
Balance of such Interest Reserve Mortgage Loan as of the end of the related
Collection Period (but prior to the application of any amounts due on such Due
Date), to the extent that a Monthly Payment is received in respect thereof for
such Due Date on or before the related Master Servicer Remittance Date or a P&I
Advance is made in respect thereof for such Due Date on the related Master
Servicer Remittance Date.

            "Interest Reserve Mortgage Loan" shall mean any Actual/360 Mortgage
Loan (or successor REO Mortgage Loan).

            "Interest Shortfall" shall mean, as to any Distribution Date and any
Class of Regular Certificates, when the amount distributed on such Distribution
Date in respect of interest is less than the Optimal Interest Distribution
Amount.

            "Interest Shortfall Amount" shall mean, as to any Distribution Date
and any Class of Regular Certificates (other than the Class A-MFL Certificates)
or the Class A-MFL Regular Interest, the amount, if any, by which the amount
distributed on such Class on such Distribution Date in respect of interest is
less than the related Optimal Interest Distribution Amount.

            "Interested Person" shall mean the Depositor, the Master Servicer,
the Special Servicer, any Independent Contractor engaged by the Special
Servicer, any Holder of a Certificate or any Affiliate of any such Person.

            "Investment Account" shall have the meaning assigned thereto in
Section 3.06(a).

            "Investment Company Act" shall mean the Investment Company Act of
1940, as amended.

            "IRS" shall mean the Internal Revenue Service or any successor.

            "Issue Price" shall mean, with respect to each Class of
Certificates, the "issue price" as defined in the REMIC Provisions.

            "Late Collections" shall mean: (a) with respect to any Mortgage
Loan, all amounts (except Default Charges) received by or on behalf of the Trust
thereon during any Collection Period, whether as payments, Insurance Proceeds,
Condemnation Proceeds, Liquidation Proceeds or otherwise, which represent late
collections of the principal and/or interest portions of a Monthly Payment
(other than a Balloon Payment) or an Assumed Monthly Payment in respect of such
Mortgage Loan due or deemed due on a Due Date in a previous Collection Period or
on a Due Date during or prior to March 2007, and not previously recovered; and
(b) with respect to any REO Mortgage Loan, all amounts (except Default Charges)
received by or on behalf of the Trust in connection with the related REO
Property during any Collection Period, whether as Insurance Proceeds,
Condemnation Proceeds, Liquidation Proceeds, REO Revenues or otherwise, which
represent late collections of the principal and/or interest portions of a
Monthly Payment (other than a Balloon Payment) or an Assumed Monthly Payment in
respect of the predecessor Mortgage Loan or late collections of the principal
and/or interest portions of an Assumed Monthly Payment in respect of such REO
Mortgage Loan due or deemed due on a Due Date in a previous Collection Period,
and not previously recovered.

            "Latest Possible Maturity Date" shall mean, with respect to any
Class of Regular Certificates, Uncertificated Lower-Tier Interests or the Class
A-MFL Regular Interest, the date designated as the "latest possible maturity
date" thereof solely for purposes of satisfying Treasury Regulations Section
1.860G-1(a)(4)(iii).
            "Letter of Credit" shall mean, with respect to any Mortgage Loan,
any third-party letter of credit delivered by or at the direction of the
Borrower pursuant to the terms of such Mortgage Loan in lieu of the
establishment of, or deposit otherwise required to be made into, a Reserve Fund.

            "LIBOR" shall mean, with respect to the Class A-MFL Certificates,
the LIBOR rate referred to under the heading "Floating Rate Option" in the Swap
Agreement.

            "Liquidation Event" shall mean: (a) with respect to any Mortgage
Loan, any of the following events-(i) such Mortgage Loan is paid in full, (ii) a
Final Recovery Determination is made with respect to such Mortgage Loan, (iii)
such Mortgage Loan is repurchased or replaced by a Mortgage Loan Seller pursuant
to the related Mortgage Loan Purchase Agreement or purchased or replaced by the
Column Performance Guarantor pursuant to the Column Performance Guarantee, in
each case as contemplated by Section 2.03, (iv) such Mortgage Loan is purchased
by the Special Servicer, any Certificateholder(s) of a Controlling Class or any
assignee of the foregoing pursuant to Section 3.18 or by the Master Servicer,
the Special Servicer or any Certificateholder(s) of the Controlling Class
pursuant to Section 3.18 or Section 9.01, (v) the purchase of the related
Mortgage Loan by the related mezzanine lender pursuant to the related mezzanine
intercreditor agreement, (vi) in the case of any A/B Loan Pair, the purchase of
the related A Loan by the related B Loan Holder pursuant to the related A/B
Intercreditor Agreement, or (vii) such Mortgage Loan is acquired by the Sole
Certificateholder(s) in exchange for all of the Certificates pursuant to Section
9.01; and (b) with respect to any REO Property (and the related REO Mortgage
Loan), any of the following events-(i) a Final Recovery Determination is made
with respect to such REO Property, (ii) such REO Property is purchased by the
Master Servicer, the Special Servicer or any Certificateholder(s) of the
Controlling Class pursuant to Section 9.01, or (iii) such REO Property is
acquired by the Sole Certificateholder(s) in exchange for all of the
Certificates pursuant to Section 9.01.

            "Liquidation Expenses" shall mean all customary, reasonable and
necessary "out-of-pocket" costs and expenses due and owing (but not otherwise
covered by Servicing Advances) in connection with the liquidation of any
Specially Serviced Mortgage Loan or REO Property pursuant to Section 3.09 or
Section 3.18 or final payoff of a Corrected Mortgage Loan (including legal fees
and expenses, committee or referee fees and, if applicable, brokerage
commissions and conveyance taxes, any Liquidation Fee or Workout Fee associated
with a final payoff of a Corrected Mortgage Loan and any other unreimbursed
Additional Trust Fund Expenses associated with such Mortgage Loan).

            "Liquidation Fee" shall mean, with respect to each Specially
Serviced Mortgage Loan or REO Property (other than any Specially Serviced
Mortgage Loan or REO Property that is (i) purchased by the Special Servicer or
any Certificateholder(s) of a Controlling Class or any assignee of the foregoing
pursuant to Section 3.18; provided that if any such party assigns its Purchase
Option to an unaffiliated third party without any consideration therefor (other
than nominal consideration), a Liquidation Fee shall be payable pursuant to
Section 3.11, (ii) purchased by the Master Servicer, the Special Servicer or any
Certificateholder(s) of the Controlling Class pursuant to Section 9.01, (iii)
acquired by the Sole Certificateholder(s) in exchange for all of the
Certificates pursuant to Section 9.01, (iv) purchased by the related B Loan
Holder pursuant to the related A/B Intercreditor Agreement so long as such
Specially Serviced Mortgage Loan or REO Property is purchased within 90 days of
the right to purchase arising (or such shorter time period as may be specified
in such related A/B Intercreditor Agreement), (v) repurchased or replaced no
later than the end of the applicable Initial Resolution Period and any
applicable Resolution Extension Period, as a result of a Material Breach or a
Material Document Defect, by a Mortgage Loan Seller pursuant to the related
Mortgage Loan Purchase Agreement or by the Column Performance Guarantor pursuant
to the Column Performance Guarantee, or (vi) the actual purchase of a Mortgage
Loan by a mezzanine lender pursuant to the terms of any related intercreditor
agreement within 90 days (or, with respect to any such Mortgage Loan, any
shorter time frame as set forth in the related intercreditor agreement) of such
Mortgage Loan becoming specially serviced to the extent not collected from the
related mezzanine lender pursuant to the related intercreditor agreement) the
fee designated as such and payable to the Special Servicer pursuant to the third
paragraph of Section 3.11(c).

            "Liquidation Fee Rate" shall mean, with respect to each Specially
Serviced Mortgage Loan or REO Property as to which a Liquidation Fee is payable,
1.0% (100 basis points).

            "Liquidation Proceeds" shall mean all cash amounts (other than
Insurance Proceeds, Condemnation Proceeds and REO Revenues) actually received by
the Trust in connection with: (i) the liquidation of a Mortgaged Property or
other collateral constituting security for a defaulted Mortgage Loan, through
trustee's sale, foreclosure sale, REO Disposition or otherwise, exclusive of any
portion thereof required to be released to the related Borrower in accordance
with applicable law and/or the terms and conditions of the related Mortgage Note
and Mortgage; (ii) the realization upon any deficiency judgment obtained against
a Borrower; (iii) the purchase of a Defaulted Mortgage Loan by the Special
Servicer, any Certificateholder(s) of a Controlling Class or any assignee of the
foregoing pursuant to Section 3.18; (iv) the repurchase of a Mortgage Loan by a
Mortgage Loan Seller pursuant to the related Mortgage Loan Purchase Agreement or
the purchase of a Column Mortgage Loan by the Column Performance Guarantor
pursuant to the Column Performance Guarantee; (v) the substitution of one or
more Replacement Mortgage Loans for a Deleted Mortgage Loan by a Mortgage Loan
Seller pursuant to the related Mortgage Loan Purchase Agreement or by the Column
Performance Guarantor pursuant to the Column Performance Guarantee (such cash
amounts being any Substitution Shortfall Amounts); (vi) the purchase of a
Mortgage Loan or REO Property by the Master Servicer, the Special Servicer or
any Certificateholder(s) of the Controlling Class pursuant to Section 9.01;
(vii) the acquisition of any Mortgage Loan or REO Property by the Sole
Certificateholder(s) in exchange for all the Certificates pursuant to Section
9.01; (viii) the purchase of an A Loan by the related B Loan Holder pursuant to
the related A/B Intercreditor Agreement or (ix) the purchase of a Mortgage Loan
by the related mezzanine lender pursuant to the related mezzanine intercreditor
agreement. Except for the purposes of Section 3.11(c), "Liquidation Proceeds"
shall also include any payments to the Trust by a Mortgage Loan Seller or the
Column Performance Guarantor as contemplated by the second paragraph of Section
2.03(b), and any amounts transferred from a Purchase Price Security Deposit
Account to the Collection Account pursuant to Section 2.03(b) and from a Special
Reserve Account to the Collection Account pursuant to Section 2.03(d).

            "Loan Group" shall mean either of Loan Group No. 1 or Loan Group No.
2.

            "Loan Group No. 1" shall mean, collectively, all of the Mortgage
Loans that are identified on the Mortgage Loan Schedule as belonging to Loan
Group No. 1 and any successor REO Mortgage Loans with respect thereto.

            "Loan Group No. 2" shall mean, collectively, all of the
Mortgage Loans that are identified on the Mortgage Loan Schedule as
belonging to Loan Group No. 2 and any successor REO Mortgage Loans with
respect thereto.

            "Loan-to-Value Ratio" shall mean, with respect to any Mortgage Loan,
as of any date of determination, the fraction, expressed as a percentage, the
numerator of which is the principal balance of such Mortgage Loan (or, in the
case of any A Loan, of the A/B Loan Pair) at the time of determination, and the
denominator of which is the Appraised Value of the related Mortgaged Property.

            "LOC Cash Reserve" shall have the meaning assigned thereto in the
definition of "Mortgage File."

            "Lower-Tier Distribution Account" shall mean the account, accounts
or sub-accounts created and maintained by the Trustee, pursuant to Section
3.04(b), in trust for the Certificateholders, which shall be entitled "Wells
Fargo Bank, N.A., as Trustee, for the benefit of the registered holders of
Credit Suisse First Boston Mortgage Securities Corp., Commercial Mortgage
Pass-Through Certificates, Series 2007-C1, Lower-Tier Distribution Account." Any
such account or accounts shall be an Eligible Account or a subaccount of an
Eligible Account.

            "Lower-Tier Distribution Amount" shall have the meaning assigned
thereto in Section 4.01.

            "Lower-Tier Principal Amount" shall mean, with respect to any Class
of Uncertificated Lower-Tier Interests, (i) on or prior to the first
Distribution Date, an amount equal to the Original Lower-Tier Principal Amount
of such Class as specified in the Preliminary Statement hereto, and (ii) as of
any date of determination after the first Distribution Date, an amount equal to
the Class Principal Balance of the Class of Related Certificates on the
Distribution Date immediately prior to such date of determination (determined
after taking into account any distributions made on such Distribution Date
pursuant to Section 4.01(a) and (b) and any Realized Loss allocated to such
Class pursuant to Section 4.04).

            "Lower-Tier REMIC" shall mean, one of two separate REMICs comprising
the Trust Fund, the assets of which consist of the Mortgage Loans (exclusive of
Post-ARD Additional Interest), any REO Property with respect thereto (exclusive
of any interest therein that a B Loan Holder may have), such amounts as shall
from time to time be held in any Collection Account, the Interest Reserve
Account, any REO Account (exclusive of any such amounts that are allocable to a
B Loan), the Excess Liquidation Proceeds Account (exclusive of any such amounts
that are allocable to a B Loan), if any, the Lower-Tier Distribution Account,
any A/B Loan Pair Custodial Account (exclusive of any such amounts that are
allocable to a B Loan) and, except as otherwise provided in this Agreement, all
other property included in the Trust Fund (other than Post-ARD Additional
Interest and the Post-ARD Additional Interest Distribution Account) that is not
in the Upper-Tier REMIC or the Grantor Trust Pool.

            "Majority Controlling Class Certificateholder" shall mean, as of any
date of determination, any single Holder or group of Holders of Certificates
representing a majority of the Voting Rights allocated to the Class of Principal
Balance Certificates that constitutes, or the Classes of Principal Balance
Certificates that constitute, the Controlling Class as of such date of
determination.

             "Master Servicer" shall mean Capmark, in its capacity as master
servicer with respect to the Mortgage Pool and any related REO Properties
hereunder, or any successor master servicer with respect to the Mortgage Pool
and any related REO Properties appointed as provided herein.

            "Master Servicer Remittance Amount" shall mean, with respect to the
Master Servicer for any Master Servicer Remittance Date, an amount equal to (a)
all amounts on deposit in such Master Servicer's Collection Account as of the
commencement of business on such Master Servicer Remittance Date, net of (b) any
portion of the amounts described in clause (a) of this definition that
represents one or more of the following: (i) collected Monthly Payments that are
due on a Due Date following the end of the related Collection Period, (ii) any
payments of principal (including Principal Prepayments) and interest (including
Post-ARD Additional Interest), Insurance Proceeds, Condemnation Proceeds and
Liquidation Proceeds received by or on behalf of the Trust after the end of the
related Collection Period, (iii) any Yield Maintenance Charges received by or on
behalf of the Trust after the end of the related Collection Period, (iv) any
Excess Liquidation Proceeds, (v) any amounts payable or reimbursable to any
Person from such Collection Account pursuant to clauses (ii) through (xxii),
(xxiv) and (xxvii) of Section 3.05(a), and (vi) any amounts deposited in such
Collection Account in error; provided that the Master Servicer Remittance
Amount, with respect to the Master Servicer, for the Master Servicer Remittance
Date that occurs in the same calendar month as the anticipated Final
Distribution Date shall be calculated without regard to clauses (b)(i), (b)(ii)
and (b)(iii) of this definition.

            "Master Servicer Remittance Date" shall mean the Business Day
preceding each Distribution Date commencing in April 2007.

            "Master Servicing Fee" shall mean, with respect to each Mortgage
Loan and REO Mortgage Loan, the fee designated as such and payable to the Master
Servicer pursuant to Section 3.11(a), which Master Servicing Fee shall include
any Primary Servicing Fee.

            "Master Servicing Fee Rate" shall mean, with respect to each
Mortgage Loan and any successor REO Mortgage Loan, the rate per annum specified
with respect to such Mortgage Loan under the heading "Master Servicing Fee Rate"
in the Mortgage Loan Schedule.

            "Material Breach" shall mean: (a) with respect to any Mortgage Loan,
any Breach that materially and adversely affects the value of, or the interests
of any Certificateholder in, such Mortgage Loan or the value of the related
Mortgaged Property; and (b) with respect to any REO Property, any Breach that
materially and adversely affects the value of, or the interests of any
Certificateholder in, such REO Property.

            "Material Document Defect" shall mean: (a) with respect to any
Mortgage Loan, any Document Defect that materially and adversely affects the
value of, or the interests of any Certificateholder in, such Mortgage Loan or
the value of the related Mortgaged Property; and (b) with respect to any REO
Property, any Document Defect that materially and adversely affects the value
of, or the interests of any Certificateholder in, such REO Property; provided
that, without limiting the generality of the foregoing, the absence of a
Specially Designated Mortgage Loan Document shall automatically be a Material
Document Defect with respect to the affected Mortgage Loan.

            "Midland" shall have the meaning assigned thereto in the Preliminary
Statement to this Agreement.

            "Modified Mortgage Loan" shall mean any Mortgage Loan as to which
any Servicing Transfer Event has occurred and which has been modified by the
Special Servicer pursuant to Section 3.20 in a manner that:

            (a) affects the amount or timing of any payment of principal or
      interest due thereon (other than, or in addition to, bringing Monthly
      Payments current with respect to such Mortgage Loan and/or extending the
      maturity date for the Mortgage Loan for less than six months);

            (b) except as expressly contemplated by the related Mortgage Loan
      Documents, results in a release of the lien of the Mortgage on any
       material portion of the related Mortgaged Property without a corresponding
      Principal Prepayment in an amount, or the delivery of substitute real
      property collateral with a fair market value (as is), that is not less
      than the fair market value (as is) of the property to be released, as
      determined by an Appraisal delivered to the Special Servicer (at the
      expense of the related Borrower and upon which the Special Servicer may
      conclusively rely); or

            (c) in the reasonable judgment of the Special Servicer, otherwise
      materially impairs the security for such Mortgage Loan or materially
      reduces the likelihood of timely payment of amounts due thereon.

            "Monthly Interest Distribution Amount" shall mean, with respect to
any Distribution Date and any Class of Regular Certificates (other than the
Class A-X and Class A-SP Certificates) and the Class A-MFL Regular Interest, the
amount of interest accrued for the related Interest Accrual Period at the
related Pass-Through Rate on the Class Principal Balance of such Class as of
such Distribution Date, reduced by such Class's pro rata share (based on accrued
interest) of the Net Aggregate Prepayment Interest Shortfall. As to any
Distribution Date and the Class A-X and Class A-SP Certificates, the amount of
interest accrued during the related Interest Accrual Period at the Pass-Through
Rate thereof on the Class Notional Amount thereof as of such Distribution Date,
reduced by such Class's pro rata share (based on accrued interest) of the Net
Aggregate Prepayment Interest Shortfall for such Distribution Date. The Monthly
Interest Distribution Amount for each such Class (other than the Class A-MFL
Certificates) shall be calculated on the basis of a 360-day year composed of
twelve 30-day months. The Monthly Interest Distribution Amount for the Class
A-MFL Certificates for any Distribution Date, for so long as the Swap Agreement
is in effect and no payment default by the Swap Counterparty exists under the
Swap Agreement, shall be calculated on the basis of the actual number of days in
that Interest Accrual Period and the assumption that each year consists of 360
days, except that, if the Swap Agreement is terminated and not replaced or if
there exists a continuing payment default by the Swap Counterparty under the
Swap Agreement, then the calculation with respect to the Class A-MFL
Certificates will be on the same basis as the Class A-MFL Regular Interest.

            "Monthly Payment" shall mean, with respect to any Mortgage Loan as
of any Due Date, the scheduled monthly payment (or, in the case of an ARD
Mortgage Loan after its Anticipated Repayment Date, the minimum required monthly
payment) of principal and/or interest on such Mortgage Loan, including any
Balloon Payment, that is actually payable by the related Borrower from time to
time under the terms of the related Mortgage Note (as such terms may be changed
or modified in connection with a bankruptcy, insolvency or similar proceeding
involving the related Borrower or by reason of a modification, waiver or
amendment granted or agreed to by the Master Servicer or the Special Servicer
pursuant to Section 3.20); provided that the Monthly Payment due in respect of
any ARD Mortgage Loan after its Anticipated Repayment Date shall not include
Post-ARD Additional Interest.

            "Moody's" shall mean Moody's Investors Service, Inc. or its
successor in interest. If neither such rating agency nor any successor remains
in existence, "Moody's" shall be deemed to refer to such other nationally
recognized statistical rating agency or other comparable Person designated by
the Depositor, notice of which designation shall be given to the other parties
hereto, and specific ratings of Moody's Investors Service, Inc. herein
referenced shall be deemed to refer to the equivalent ratings of the party so
designated; provided, however, that if such designated party has not then
assigned a rating to a depository institution, insurer or any other Person or
item, then any failure to satisfy a requirement under this Agreement to meet or
maintain such equivalent rating shall not be deemed an Event of Default or
breach of the Servicing Standard solely as a result of such failure. References
herein to "applicable rating category" (other than such references to "highest
applicable rating category") shall, in the case of Moody's, be deemed to refer
to such applicable rating category of Moody's, without regard to any plus or
minus or other comparable rating qualification.

            "Mortgage" shall mean, with respect to any Mortgage Loan, separately
and collectively, as the context may require, each mortgage, deed of trust, deed
to secure debt or similar document that secures the related Mortgage Note and
creates a lien on the related Mortgaged Property.

            "Mortgage File" shall mean, with respect to any Mortgage Loan,
subject to Sections 1.04 and 2.01, the following documents on a collective
basis:

            (i)    the original Note (or a lost note affidavit and indemnity),
                   bearing, or accompanied by, all prior and intervening
                  endorsements or assignments showing a complete chain of
                  endorsement, assignment or allonge from the applicable
                  Mortgage Loan Originator either in blank or to the Mortgage
                  Loan Seller, and further endorsed (at the direction of the
                  Depositor given pursuant to the Mortgage Loan Purchase
                  Agreement) by the Mortgage Loan Seller, on its face or by
                  allonge attached thereto, without recourse, in blank or to the
                  order of the Trustee in the following form: "Pay to the order
                  of Wells Fargo Bank, N.A., as trustee for the registered
                   Holders of Credit Suisse First Boston Mortgage Securities
                  Corp., Commercial Mortgage Pass-Through Certificates, Series
                  2007-C1, without recourse";

            (ii)   a duplicate original Mortgage or a counterpart thereof, or if
                  such Mortgage has been returned by the related recording
                  office, (A) an original, (B) a certified copy or (C) a copy
                  thereof from the applicable recording office, and originals or
                   counterparts (or originals or copies of certified copies from
                  the applicable recording office) of any intervening
                  assignments thereof from the related Mortgage Loan Originator
                  to the Mortgage Loan Seller, in each case in the form
                  submitted for recording or, if recorded, with evidence of
                  recording indicated thereon;

            (iii) an original or a copy of any related Assignment of Leases (if
                   such item is a document separate from the Mortgage) and of any
                  intervening assignments thereof that precede the assignment
                  referred to in clause (v) of this definition, in each case
                  (unless the particular item has not been returned from the
                  applicable recording office) with evidence of recording
                  indicated thereon or certified as to recording by the
                  applicable recording office;

            (iv)   an original executed assignment of the Mortgage, in blank or
                  in favor of Wells Fargo, as trustee for the registered holders
                  of Credit Suisse First Boston Mortgage Securities Corp.,
                  Commercial Mortgage Pass-Through Certificates, Series 2007-C1,
                  in recordable form (except for any missing recording
                  information with respect to such Mortgage);

            (v)    an original executed assignment of any related Assignment of
                   Leases (if such item is a document separate from the
                  Mortgage), in blank or in favor of Wells Fargo, as trustee for
                  the registered holders of Credit Suisse First Boston Mortgage
                  Securities Corp., Commercial Mortgage Pass-Through
                  Certificates, Series 2007-C1, in recordable form (except for
                  any missing recording information with respect to such
                  Assignment of Leases);

            (vi)   originals or copies of any written assumption, modification,
                  written assurance and substitution agreements in those
                  instances where the terms or provisions of the Mortgage or
                  Mortgage Note have been modified or the Mortgage Loan has been
                  assumed, in each case (unless the particular item has not been
                  returned from the applicable recording office) with evidence
                  of recording indicated thereon or certified as to recording by
                  the applicable recording office if the instrument being
                  modified or assumed is a recordable document;

            (vii) the original or a copy of the policy of lender's title
                  insurance or, if such policy has not yet been issued, a
                  "marked-up" pro forma title policy or commitment for title
                  insurance marked as binding and countersigned by the title
                  insurer or its authorized agent either on its face or by an
                  acknowledged closing instruction or escrow letter with the
                  original title insurance policy delivered by September 30,
                  2008;

            (viii) certified or other copies of all UCC Financing Statements and
                  continuation statements which show the filing or recording
                  thereof or copies thereof in the form submitted for filing or
                  recording sufficient to perfect (and maintain the perfection
                  of) the security interest held by the Mortgage Loan Originator
                  (and each assignee of record prior to the Trustee) in and to
                  the personalty of the Borrower at the Mortgaged Property that
                   is described in the related Mortgage or a separate security
                  agreement, and original UCC Financing Statement assignments in
                  a form suitable for filing or recording, sufficient to
                  transfer such to the Trustee;

            (ix)   an original or copy of any related Loan Agreement (if separate
                  from the related Mortgage) and an original or copy of any
                  related lock-box agreement or cash collateral agreement (if
                   separate from the related Mortgage and Loan Agreement;

            (x)    the original or a copy of any power of attorney, guaranty, or
                  cash management agreement relating to such Mortgage Loan;

            (xi)   any original documents (including any Letter(s) of Credit)
                  evidencing or constituting Additional Collateral and, if
                  applicable, the originals or copies of any amendments or
                  intervening assignments thereof, provided that in connection
                  with the delivery of the Mortgage File to the Trust, the
                  original of each Letter of Credit (and any related amendment
                  or assignment) shall be delivered to the Master Servicer and a
                   copy thereof shall be delivered to the Trustee or a Custodian
                  on its behalf;

            (xii) the original or a copy of any security agreement relating to
                  Additional Collateral and an executed assignment thereof in
                  blank or in favor of Wells Fargo, as trustee, for the
                  registered holders of Credit Suisse First Boston Mortgage
                  Securities Corp., Commercial Pass-Through Certificates, Series
                   2007-C1, in recordable form;

            (xiii) the original or a copy of any intercreditor agreement
                  (including any A/B Intercreditor Agreement), subordination
                  agreement, standstill agreement, co-lender agreement or
                  similar agreement relating to such Mortgage Loan together
                  with, if the Mortgage Loan is an A Loan, a copy of the
                  promissory note for the related B Loan and, with respect to
                  any debt of a Borrower or mezzanine borrower permitted under
                  the Mortgage Loan, copies of any related mezzanine loan
                  documents or preferred equity documents;

            (xiv) any environmental insurance policies and any environmental
                  guaranty or indemnity agreements or copies thereof;

            (xv)   the original or copy of any Ground Lease, Ground Lease
                  estoppels and any amendments thereto, if any;

            (xvi) the original or copy of any property management agreement
                  (provided that no property management agreement shall be
                  required to be part of the Mortgage File, if an original or
                  copy of such property management agreement is included in the
                  related Servicing File);

            (xvii) copies of franchise agreements and franchisor comfort
                  letters, if any, for hospitality properties and any applicable
                  transfer or assignment documents;

            (xviii) any additional documents required to be added to the
                  Mortgage File pursuant to this Agreement; and

            (xix) the checklist of the related Mortgage Loan Documents, if any,
                  that is included in the Mortgage File for the related Mortgage
                  Loan;

provided that whenever the term "Mortgage File" is used to refer to documents
actually received by the Trustee or by a Custodian or, if applicable, the Master
Servicer on its behalf such term shall be deemed not to include such documents
and instruments required to be included therein unless they are actually so
received; and provided, further, that the Mortgage File for any Mortgage Loan
need not include any Letter of Credit referred to in item (xi) of this
definition if, in lieu thereof, the related Mortgage Loan Seller has, on behalf
of the related Borrower, either (1) delivered to the Trustee a substitute letter
of credit, in the same amount and with the same draw conditions and renewal
rights as, and otherwise substantially similar to, that Letter of Credit and
issued by an obligor that meets any criteria in the related Mortgage Loan
Documents applicable to the issuer of that Letter of Credit or (2) delivered to
the Master Servicer a cash reserve in an amount equal to the amount of that
Letter of Credit (the "LOC Cash Reserve"), which substitute letter of credit can
be drawn on, or which cash reserve can be applied, to cover the same items as
that Letter of Credit was intended to cover. If any B Loan is being serviced and
administered in accordance herewith, the Mortgage File for the related A Loan
shall also constitute the Mortgage File for such B Loan.

            "Mortgage Loan" shall mean each of the Original Mortgage Loans and
Replacement Mortgage Loans that are from time to time held in the Trust Fund,
including any such Original Mortgage Loan or Replacement Mortgage Loan that has
been wholly or partially defeased. As used herein, the term "Mortgage Loan"
includes the related Mortgage Loan Documents.

            "Mortgage Loan Documents" shall mean, with respect to any Mortgage
Loan, the documents included or required to be included, as the context may
require, in the related Mortgage File and Servicing File.

            "Mortgage Loan Purchase Agreement" shall mean any of the Column
Mortgage Loan Purchase Agreement and the Capmark Mortgage Loan Purchase
Agreement.

            "Mortgage Loan Schedule" shall mean, collectively, the two schedules
of Mortgage Loans attached hereto as Exhibit B-1A and Exhibit B-1B,
respectively, as any such schedule may be amended from time to time in
accordance with this Agreement, collectively, which list sets forth the
following information with respect to each Mortgage Loan:

                   (i) the loan number (as specified in Exhibit A-1 to the
            Prospectus Supplement);

                  (ii) the property name;

                  (iii) the street address (including city, state and zip code)
            of the related Mortgaged Property;

                  (iv) the Mortgage Rate in effect at the Cut-off Date;

                  (v) the Net Mortgage Rate in effect at the Cut-off Date;

                  (vi) the original principal balance;

                  (vii) the Cut-off Date Principal Balance;

                  (viii) the (a) remaining term to stated maturity, (b) Maturity
            Date and (c) with respect to each ARD Mortgage Loan, the Anticipated
            Repayment Date;

                  (ix) the original and remaining amortization terms;

                  (x) the amount of the Monthly Payment due on the first Due
            Date following the Cut-off Date;

                  (xi) the number of units, pads, rooms or square footage with
            respect to the Mortgaged Property;

                  (xii) the Interest Accrual Period;

                  (xiii) the applicable Master Servicing Fee Rate (and, in the
            case of the Column Mortgage Loans, any applicable Primary Servicing
            Fee Rate);

                  (xiv) the Due Date;

                  (xv) whether such loan is an ARD Mortgage Loan;

                  (xvi) whether the Mortgage Loan is subject to
            lockout/defeasance;

                  (xvii) whether the related Mortgaged Property was covered by
            earthquake insurance at the time of origination, or if the related
            Mortgage Loan Documents require such insurance;

                  (xviii) whether such Mortgage Loan has the benefit of an
            Environmental Insurance Policy;

                  (xix) whether such Mortgage Loan is secured by the related
            Borrower's interest in Ground Leases;

                  (xx) whether such Mortgage Loan is secured by a Letter of
            Credit; and

                  (xxi) which Loan Group includes such Mortgage Loan.

            Such Mortgage Loan Schedule also shall set forth the aggregate of
the amounts described under clause (vii) above for all of the Mortgage Loans.
Such list may be in the form of more than one list, collectively setting forth
all of the information required.

            "Mortgage Loan Seller" shall mean the Column Mortgage Loan Seller or
the Capmark Mortgage Loan Seller.

            "Mortgage Note" shall mean the original executed note evidencing the
indebtedness of a Borrower under a Mortgage Loan, together with any rider,
addendum or amendment thereto, or any renewal, substitution or replacement of
such note.

            "Mortgage Pool" shall mean all of the Mortgage Loans and any
successor REO Mortgage Loans, collectively, as of any particular date of
determination.

            "Mortgage Rate" shall mean, with respect to any Mortgage Loan (and
any successor REO Mortgage Loan), the annualized rate at which interest is
scheduled (in the absence of a default) to accrue on such Mortgage Loan from
time to time in accordance with the related Mortgage Note and applicable law, as
such rate may be modified in connection with a bankruptcy, insolvency or similar
proceeding involving the related Borrower or by the Master Servicer or the
Special Servicer in accordance with Section 3.20. In the case of each of the ARD
Mortgage Loans, the related Mortgage Rate will be subject to increase in
accordance with the related Mortgage Note if the particular Mortgage Loan is not
paid in full by its Anticipated Repayment Date.

            "Mortgaged Property" shall mean, individually and collectively, as
the context may require, each real property (together with all improvements and
fixtures thereon) subject to the lien of a Mortgage and constituting collateral
for a Mortgage Loan. With respect to any Cross-Collateralized Mortgage Loan, if
and when the context may require, "Mortgaged Property" shall mean, collectively,
all the mortgaged real properties (together with all improvements and fixtures
thereon) securing the relevant Cross-Collateralized Group.

            "Mortgagee" shall mean the holder of legal title to any Mortgage
Loan, together with any third parties through which such holder takes actions
with respect to such Mortgage Loan.

            "Net Aggregate Prepayment Interest Shortfall" shall mean, with
respect to any Distribution Date, the amount, if any, by which (a) the aggregate
of all Prepayment Interest Shortfalls incurred in connection with the receipt of
Principal Prepayments on the Mortgage Loans during the related Collection
Period, exceeds (b) the amount of any Compensating Interest Payment remitted by
the Master Servicer pursuant to Section 3.19(a) on the Master Servicer
Remittance Date related to such Distribution Date.

            "Net Assumption Application Fee" shall have the meaning assigned
thereto in Section 3.08.

            "Net Assumption Fee" shall have the meaning assigned thereto in
Section 3.08.

            "Net Default Charges" shall mean, with respect to any Mortgage Loan
or REO Mortgage Loan, the Default Charges referred to in clause Fourth of
Section 3.26(a), which are payable to the Master Servicer as Additional Master
Servicing Compensation or the Special Servicer as Additional Special Servicing
Compensation.

            "Net Investment Earnings" shall mean, with respect to any Investment
Account for any Collection Period, the amount, if any, by which the aggregate of
all interest and other income realized during such Collection Period in
connection with the investment of funds held in such Investment Account for the
benefit of the Master Servicer, the Special Servicer or the Trustee, as
applicable, in accordance with Section 3.06, exceeds the aggregate of all
losses, if any, incurred during such Collection Period in connection with the
investment of such funds for the benefit of such Master Servicer, such Special
Servicer or the Trustee, as applicable, in accordance with Section 3.06 (other
than losses of what would otherwise have constituted interest or other income
earned on such funds).

            "Net Investment Loss" shall mean, with respect to any Investment
Account for any Collection Period, the amount by which the aggregate of all
losses, if any, incurred during such Collection Period in connection with the
investment of funds held in such Investment Account for the benefit of the
Master Servicer, the Special Servicer or the Trustee, as applicable, in
accordance with Section 3.06 (other than losses of what would otherwise have
constituted interest or other income earned on such funds), exceeds the
aggregate of all interest and other income realized during such Collection
Period in connection with the investment of such funds for the benefit of such
Master Servicer, such Special Servicer or the Trustee, as applicable, in
accordance with Section 3.06; provided that, in the case of any Investment
Account and any particular investment of funds in such Investment Account, Net
Investment Loss shall not include any loss with respect to such investment which
is incurred solely as a result of the insolvency of the federal or state
chartered depository institution or trust company that holds such Investment
Account, so long as such depository institution or trust company (i) satisfied
the qualifications set forth in the definition of Eligible Account both at the
time such investment was made and also as of a date not more than 30 days prior
to the date of such loss and (ii) was not such Master Servicer, such Special
Servicer, such Trustee or any Affiliate thereof, as applicable.

            "Net Liquidation Proceeds" shall mean the excess, if any, of all
Liquidation Proceeds actually received by the Trust with respect to any
Specially Serviced Mortgage Loan or REO Property, over the amount of all
Liquidation Expenses incurred with respect thereto and all related Servicing
Advances reimbursable therefrom.

            "Net Mortgage Pass-Through Rate" shall mean:

            (A) With respect to any Mortgage Loan (or any successor REO Mortgage
Loan with respect thereto) that accrues interest on a 30/360 Basis, for any
Distribution Date, an annual rate equal to the original Net Mortgage Rate for
such Mortgage Loan; and

            (B) With respect to any Mortgage Loan (or any successor REO Mortgage
Loan with respect thereto) that accrues interest on an Actual/360 Basis, for any
Distribution Date, an annual rate generally equal to twelve times a fraction,
expressed as a percentage:

            (1)    the numerator of which fraction is, subject to adjustment as
                  described below in this definition, an amount of interest
                  equal to the product of (a) the number of days in the related
                  Interest Accrual Period (disregarding the last sentence of the
                  definition of Interest Accrual Period), multiplied by (b) the
                  Stated Principal Balance of such Mortgage Loan (or such REO
                  Mortgage Loan) immediately preceding such Distribution Date,
                  multiplied by (c) 1/360, multiplied by (d) the Original Net
                  Mortgage Rate for such Mortgage Loan; and

            (2)    the denominator of which is the Stated Principal Balance of
                  such Mortgage Loan (or such REO Mortgage Loan) immediately
                  preceding that Distribution Date.

            Notwithstanding the foregoing, if the subject Distribution Date
occurs during January, except during a leap year, or February of any year
subsequent to 2007 (unless the Final Distribution Date occurs in such month),
then the amount of interest referred to in the fractional numerator described in
clause (B)(1) above will be decreased to reflect any Withheld Amounts with
respect to the subject Mortgage Loan (or REO Mortgage Loan) transferred from the
Distribution Account to the Interest Reserve Account in such calendar month.
Furthermore, if the subject Distribution Date occurs during March of any year
subsequent to 2007 (or February, if the Final Distribution Date occurs in such
month), then the amount of interest referred to in the fractional numerator
described in clause (B)(1) above will be increased to reflect any Withheld
Amounts with respect to the subject Mortgage Loan (or REO Mortgage Loan)
transferred from the Interest Reserve Account to the Distribution Account for
distribution on such Distribution Date.

            "Net Mortgage Rate" shall mean, with respect to any Mortgage Loan
(or successor REO Mortgage Loan), the rate per annum equal to (a) the related
Mortgage Rate minus (b) (i) the related Administrative Fee Rate and (ii) in the
case of an ARD Mortgage Loan after its Anticipated Repayment Date, the related
Post-ARD Additional Interest Rate.

            "New Lease" shall mean any lease of an REO Property entered into at
the direction of the Special Servicer on behalf of the Trust, including any
lease renewed, modified or extended on behalf of the Certificateholders, if the
Special Servicer has the right to renegotiate the terms of such lease.

            "Nonrecoverable Advance" shall mean any Nonrecoverable P&I Advance
or Nonrecoverable Servicing Advance.

            "Nonrecoverable P&I Advance" shall mean the portion of any P&I
Advance previously made or proposed to be made in respect of a Mortgage Loan or
an REO Mortgage Loan (including any P&I Advance that constitutes a
Workout-Delayed Reimbursement Amount) which, in the judgment (in accordance with
the Servicing Standard in the case of judgment by the Master Servicer or the
Special Servicer) of the Master Servicer, the Special Servicer or the Trustee,
as applicable, will not be ultimately recoverable, together with any accrued and
unpaid interest thereon (paid at the Reimbursement Rate), from Late Collections
or any other recovery on or in respect of such Mortgage Loan or REO Mortgage
Loan. "Nonrecoverable P&I Advance" shall also include any Workout-Delayed
Reimbursement Amounts when the Person making such determination in accordance
with the procedures specified herein for Nonrecoverable Servicing Advances or
Nonrecoverable P&I Advances, as applicable, has determined that such amounts
constitute Nonrecoverable Advances. The determination by the Master Servicer,
the Special Servicer or the Trustee, as applicable, that it has made (or, in the
case of a determination made by the Special Servicer, that the Master Servicer
or Trustee has made) a Nonrecoverable P&I Advance or that any proposed P&I
Advance, if made, would constitute a Nonrecoverable P&I Advance, shall be
evidenced by an Officer's Certificate delivered (i) to the Trustee and the
Special Servicer, in the case of the Master Servicer, (ii) to the Master
Servicer and the Trustee in the case of the Special Servicer, (iii) to the
Depositor, the Master Servicer and the Special Servicer, in the case of the
Trustee, and (iv) in each case, to the Controlling Class Representative, each B
Loan Holder or its designee (if any A/B Loan Pair or any related REO Mortgage
Loan is involved) and to any Requesting Subordinate Certificateholder (at the
expense of such Requesting Subordinate Certificateholder) setting forth such
determination of nonrecoverability and the considerations of the Master
Servicer, the Special Servicer or the Trustee, as applicable, forming the basis
of such determination (which shall include but shall not be limited to
information, to the extent available, such as related income and expense
statements, rent rolls, occupancy status, property inspections, and shall
include an Appraisal (provided that if an Appraisal has been obtained within the
past 12 months, no new Appraisal is required) of the related Mortgaged Property,
the cost of which Appraisal shall, subject to Section 3.03(c), be advanced by
the Master Servicer as a Servicing Advance). Such Officer's Certificate shall be
accompanied by the Appraisal and all other supporting documentation relevant to
the subject parties' nonrecoverability determination. The Trustee shall be
entitled to conclusively rely on the Master Servicer's determination that a P&I
Advance is nonrecoverable. The Master Servicer and the Trustee shall
conclusively rely on the Special Servicer's affirmative determination that a P&I
Advance is nonrecoverable after the Special Servicer provides written notice of
such affirmative determination to such parties. In no event shall a
determination by the Special Servicer that a previously made or proposed P&I
Advance would be recoverable be binding on the Master Servicer or Trustee.

            "Nonrecoverable Servicing Advance" shall mean the portion of any
Servicing Advance previously made or proposed to be made in respect of a
Mortgage Loan or REO Property (including any Servicing Advance that constitutes
a Workout-Delayed Reimbursement Amount) which, in the judgment (in accordance
with the Servicing Standard in the case of judgment by the Master Servicer or
the Special Servicer) of the Master Servicer, the Special Servicer or the
Trustee, as the case may be, will not be ultimately recoverable, together with
any accrued and unpaid interest thereon (paid at the Reimbursement Rate), from
Late Collections or any other recovery on or in respect of such Mortgage Loan or
REO Property. "Nonrecoverable Servicing Advance" shall also include any
Workout-Delayed Reimbursement Amounts when the Person making such determination
in accordance with the procedures specified for Nonrecoverable Servicing
Advances or Nonrecoverable P&I Advances, as applicable, has determined that such
amounts constitute Nonrecoverable Advances. The determination by the Master
Servicer, the Special Servicer or the Trustee, as the case may be, that it has
made (or, in the case of a determination made by the Special Servicer, that the
Master Servicer, the Special Servicer or the Trustee has made) a Nonrecoverable
Servicing Advance or that any proposed Servicing Advance, if made, would
constitute a Nonrecoverable Servicing Advance, shall be evidenced by an
Officer's Certificate delivered (i) to the Trustee and the Special Servicer, in
the case of the Master Servicer, (ii) to the Master Servicer and the Trustee in
the case of the Special Servicer, (iii) to the Depositor, the Special Servicer
and the Master Servicer, in the case of the Trustee, and (iv) and in each case,
to the Controlling Class Representative, to each B Loan Holder or its designee
(if any A/B Loan Pair or any related REO Property is involved) and to any
Requesting Subordinate Certificateholder (at the expense of such Requesting
Subordinate Certificateholder). The Officer's Certificate shall set forth such
determination of nonrecoverability and the considerations of the Master
Servicer, the Special Servicer or the Trustee, as applicable, forming the basis
of such determination (which shall include but shall not be limited to
information, to the extent available, such as related income and expense
statements, rent rolls, occupancy status and property inspections, and shall
include an Appraisal (provided that if an Appraisal has been obtained within the
past 12 months, no new Appraisal is required) of the related Mortgaged Property,
the cost of which Appraisal shall, subject to Section 3.03(c), be advanced by
the Master Servicer as a Servicing Advance). Such Officer's Certificate shall be
accompanied by the Appraisal and all other supporting documentation relevant to
the subject parties' nonrecoverability determination. The Trustee shall be
entitled to conclusively rely on the Master Servicer's determination that a
Servicing Advance is nonrecoverable. The Master Servicer and the Trustee shall
conclusively rely on the Special Servicer's affirmative determination that a
Servicing Advance is a Nonrecoverable Servicing Advance after the Special
Servicer provides written notice of such affirmative determination to such
parties. In no event shall a determination by the Special Servicer that a
previously made or proposed Servicing Advance would be recoverable be binding on
the Master Servicer or Trustee.

            "Non-Registered Certificate" shall mean any Certificate that has not
been subject to registration under the Securities Act. As of the Closing Date,
the Class A-X, Class B, Class C, Class D, Class E, Class F, Class G, Class H,
Class J, Class K, Class L, Class M, Class N, Class O, Class P, Class Q, Class S,
Class T, Class V, Class R and Class LR Certificates will constitute
Non-Registered Certificates.

            "Non-United States Tax Person" shall mean any Person other than a
United States Tax Person.

            "Note" shall mean the original executed note (or, if applicable,
multiple notes collectively) evidencing the indebtedness of a Borrower under a
Mortgage Loan, together with any rider, addendum or amendment thereto.

            "NRSRO" shall mean a nationally recognized statistical rating
organization as the term is used in federal securities laws.

            "Officer's Certificate" shall mean a certificate signed by a
Servicing Officer of the Master Servicer or the Special Servicer or a
Responsible Officer of the Trustee, as the case may be.

            "Opinion of Counsel" shall mean a written opinion of counsel (which
counsel, in the case of any such opinion relating to the taxation of the Trust
Fund or any portion thereof or the status of the Upper-Tier REMIC or the
Lower-Tier REMIC as a REMIC or the status of the Grantor Trust Pool as a grantor
trust for federal income tax purposes, shall be Independent of the Depositor,
each Mortgage Loan Seller, the Master Servicer, the Special Servicer and the
Trustee, but which may act as counsel to such Person) acceptable to and
delivered to the addressee(s) thereof and which Opinion of Counsel, except as
provided herein, shall not be at the expense of the Trustee.

            "Optimal Interest Distribution Amount" shall mean, as to any
Distribution Date and any Class of Regular Certificates (other than the Class
A-MFL Certificates) and the Class A-MFL Regular Interest, the sum of the Monthly
Interest Distribution Amount and the Interest Shortfall Amount for such Class
for such Distribution Date. As to any Distribution Date and any Uncertificated
Lower-Tier Interest, the sum of the Monthly Interest Distribution Amount and the
Interest Shortfall Amount for such Uncertificated Lower-Tier Interest for such
Distribution Date.

            "Original Capmark Mortgage Loans" shall have the meaning assigned
thereto in the Preliminary Statement to this Agreement.

            "Original Certificate Balance" shall mean, with respect to any Class
of Regular Certificates (other than the Class A-SP and Class A-X Certificates)
and the Class A-MFL Regular Interest, the initial aggregate principal amount
thereof as of the Closing Date, in each case as specified in the Preliminary
Statement.

            "Original Class Notional Amount" shall mean, with respect to the
Class A-SP and Class A-X Certificates, the initial class notional amount thereof
as of the Closing Date, in each case as specified in the Preliminary Statement.

            "Original Column Mortgage Loans" shall have the meaning assigned
thereto in the Preliminary Statement to this Agreement.

            "Original Lower-Tier Principal Amount" shall mean, with respect to
any Class of Uncertificated Lower-Tier Interests, the principal amount thereof
as of the Closing Date, in each case as specified in the Preliminary Statement
hereto.

            "Original Mortgage Loans" shall have the meaning assigned thereto in
the Preliminary Statement to this Agreement.

            "OTS" shall mean the Office of Thrift Supervision or any successor
thereto.

            "Ownership Interest" shall mean, in the case of any Certificate, any
ownership or security interest in such Certificate as the Holder thereof and any
other interest therein, whether direct or indirect, legal or beneficial, as
owner or as pledgee.

            "P&I Advance" shall mean, with respect to any Mortgage Loan or REO
Mortgage Loan, any advance made by the Master Servicer or the Trustee pursuant
to Section 4.03.

            "Pass-Through Rate" shall mean, with respect to each Class of
Certificates and the Class A-MFL Regular Interest, the respective per annum rate
listed below:

Class A-1:                        Class A-1 Pass-Through Rate
Class A-2:                       Class A-2 Pass-Through Rate
Class A-AB:                      Class A-AB Pass-Through Rate
Class A-3:                       Class A-3 Pass-Through Rate
Class A-1-A:                      Class A-1-A Pass-Through Rate
Class A-SP:                      Class A-SP Pass-Through Rate
Class A-X:                       Class A-X Pass-Through Rate
Class A-M:                       Class A-M Pass-Through Rate
Class A-MFL Regular Interest:    Class A-MFL Regular Interest Pass-Through Rate
Class A-MFL:                     Class A-MFL Pass-Through Rate
Class A-J:                       Class A-J Pass-Through Rate
Class B:                         Class B Pass-Through Rate
Class C:                         Class C Pass-Through Rate
Class D:                         Class D Pass-Through Rate
Class E:                         Class E Pass-Through Rate
Class F:                         Class F Pass-Through Rate
Class G:                         Class G Pass-Through Rate
Class H:                         Class H Pass-Through Rate
Class J:                         Class J Pass-Through Rate
Class K:                         Class K Pass-Through Rate
Class L:                         Class L Pass-Through Rate
Class M:                          Class M Pass-Through Rate
Class N:                         Class N Pass-Through Rate
Class O:                         Class O Pass-Through Rate
Class P:                         Class P Pass-Through Rate
Class Q:                         Class Q Pass-Through Rate
Class S:                         Class S Pass-Through Rate
Class T:                         Class T Pass-Through Rate


            "Paying Agent" shall have the meaning assigned thereto in Section
5.07.

            "PCAOB" shall mean the Public Company Accounting Oversight Board.

            "Percentage Interest" shall mean (a) with respect to any Regular
Certificate, the portion of the relevant Class evidenced by such Certificate,
expressed as a percentage, the numerator of which is the Certificate Principal
Balance or Certificate Notional Amount, as the case may be, of such Certificate
as of the Closing Date, as specified on the face thereof, and the denominator of
which is the Class Principal Balance or Class Notional Amount, as the case may
be, of the relevant Class as of the Closing Date; and (b) with respect to a
Class V, Class R or Class LR Certificate, the percentage interest in
distributions to be made with respect to the relevant Class, as stated on the
face of such Certificate.

             "Performance Certification" shall have the meaning set forth in
Section 12.08.

            "Performing Mortgage Loan" shall mean, as of any date of
determination, any Mortgage Loan as to which no Servicing Transfer Event then
exists.

            "Performing Party" shall have the meaning assigned thereto in
Section 12.14.

            "Permitted Investments" shall mean any one or more of the following
obligations or securities, regardless whether issued by the Depositor, the
Master Servicer, the Special Servicer or the Trustee or any of their respective
Affiliates and having the required ratings, if any, provided for in this
definition::

                  (i) direct obligations of, and obligations fully guaranteed as
            to timely payment of principal and interest by, the United States of
            America, FNMA, FHLMC or any agency or instrumentality of the United
            States of America; provided that such obligations have a remaining
            term to maturity of one year or less from the date of acquisition
            and which are backed by the full faith and credit of the United
            States of America; provided, further, that any obligation of, or
            guarantee by, FNMA or FHLMC, other than an unsecured senior debt
             obligation of FNMA or FHLMC, shall be a Permitted Investment only if
            such investment would not result in the downgrading, withdrawal or
            qualification of the then-current rating assigned by each Rating
            Agency to any Certificate as confirmed in writing;

                  (ii) time deposits, unsecured certificates of deposit or
            bankers' acceptances that mature in one year or less after the date
            of issuance and are issued or held by any depository institution or
            trust company incorporated or organized under the laws of the United
            States of America or any State thereof and subject to supervision
            and examination by federal or state banking authorities, so long as
            the commercial paper or other short-term debt obligations of such
            depository institution or trust company are rated in the highest
            short-term debt rating category of each Rating Agency or such other
            ratings as will not result in the downgrading, withdrawal or
            qualification of the then-current rating assigned by each Rating
            Agency to any Certificate, as confirmed in writing by such Rating
            Agency;

                  (iii) repurchase agreements or obligations with respect to any
            security described in clause (i) above where such security has a
            remaining maturity of one year or less and where such repurchase
            obligation has been entered into with a depository institution or
            trust company (acting as principal) described in clause (ii) above;

                  (iv) debt obligations maturing in one year or less from the
            date of acquisition bearing interest or sold at a discount issued by
            any corporation incorporated under the laws of the United States of
            America or any state thereof, which securities have (A) ratings in
            the highest long-term unsecured debt rating category of each Rating
            Agency or (B) such other ratings (as confirmed by the applicable
            Rating Agency in writing) as will not result in a downgrade,
            qualification or withdrawal of the then-current rating of the
            Certificates that are currently being rated by such Rating Agency;
            provided, however, that securities issued by any particular
            corporation will not be Permitted Investments to the extent that
            investment therein will cause the then outstanding principal amount
            of securities issued by such corporation and held in the accounts
            established hereunder to exceed 10% of the sum of the aggregate
            principal balance and the aggregate principal amount of all
             Permitted Investments in such accounts;

                  (v) commercial paper (including both non-interest-bearing
            discount obligations and interest-bearing obligations) payable on
            demand or on a specified date maturing in one year or less after the
            date of issuance thereof and which is rated in the highest
            short-term unsecured debt rating category of each Rating Agency;

                  (vi) units of investment funds that maintain a constant net
             asset value and money market funds having the highest rating from
            each Rating Agency for money market funds; and

                  (vii) any other demand, money market or time deposit,
            obligation, security or investment, with respect to which each
            Rating Agency shall have confirmed in writing that such investment
            will not result in a downgrade, qualification or withdrawal of the
            then-current rating of the Certificates that are currently being
            rated by such Rating Agency;

provided that such instrument or security qualifies as a "cashflow investment"
pursuant to Section 860G(a)(6) of the Code; and provided (a) it shall have a
predetermined fixed dollar of principal due at maturity that cannot vary or
change and (b) any such investment that provides for a variable rate of interest
must have an interest rate that is tied to a single interest rate index plus a
fixed spread, if any, and move proportionately with such index.

             "Permitted Transferee" shall mean any Transferee of a Class R or
Class LR Certificate other than a Disqualified Organization, a Non-United States
Tax Person or a foreign permanent establishment or fixed base (each within the
meaning of the applicable income tax treaty) of a United States Tax Person;
provided, however, that if a Transferee is classified as a partnership under the
Code, such Transferee shall only be a Permitted Transferee if all of its direct
or indirect (except through a U.S. corporation) beneficial owners are (and must
be, under the applicable partnership agreement) United States Tax Persons and
the governing documents of the Transferee prohibit a transfer of any interest in
the Transferee to any Non-United States Tax Person.

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

            "Phase I Environmental Assessment" shall mean a "Phase I assessment"
as described in and meeting the criteria of the American Society for Testing and
Materials, Designation E-1527.

            "Plan" shall mean any of those retirement plans and other employee
benefit plans, including individual retirement accounts and annuities, Keogh
plans and collective investment funds and separate accounts in which such plans,
accounts or arrangements are invested, including insurance company general
accounts, that are subject to Title I of ERISA, Section 4975 of the Code or
Similar Law.

            "Plurality Class LR Certificateholder" shall mean, as to any taxable
year of the Lower-Tier REMIC, the Holder of Certificates evidencing the largest
Percentage Interest in the Class LR Certificates.

            "Plurality Class R Certificateholder" shall mean, as to any taxable
year of the Upper-Tier REMIC, the Holder of Certificates evidencing the largest
Percentage Interest in the Class R Certificates.

            "PNC" shall mean PNC Bank, National Association.

            "Post-ARD Additional Interest" shall mean, with respect to any ARD
Mortgage Loan after its Anticipated Repayment Date, all interest accrued on the
principal balance of such ARD Mortgage Loan at the Post-ARD Additional Interest
Rate (the payment of which interest shall, under the terms of such Mortgage
Loan, be deferred until the principal balance of such Mortgage Loan has been
paid in full), together with all interest, if any, accrued at the related
Mortgage Rate on such deferred interest.

            "Post-ARD Additional Interest Distribution Account" shall mean the
trust account, accounts or subaccount created and maintained by the Trustee,
which may be a subaccount of the Distribution Account, pursuant to Section
3.04(b), which shall be entitled "Wells Fargo Bank, N.A., as Trustee, in trust
for the registered holders of Credit Suisse First Boston Mortgage Securities
Corp., Commercial Mortgage Pass-Through Certificates, Series 2007-C1, Post-ARD
Additional Interest Distribution Account" and which shall be an Eligible
Account. The Post-ARD Additional Interest Distribution Account shall be an asset
of the Grantor Trust Pool and not an asset of the Lower-Tier REMIC or the
Upper-Tier REMIC.

            "Post-ARD Additional Interest Rate" shall mean, with respect to any
ARD Mortgage Loan after its Anticipated Repayment Date, the incremental increase
in the Mortgage Rate for such Mortgage Loan resulting from the passage of such
Anticipated Repayment Date.

             "Prepayment Assumption" shall mean, for purposes of determining the
accrual of original issue discount, market discount and premium, if any, on the
Mortgage Loans and the Certificates for federal income tax purposes, the
assumptions that each ARD Mortgage Loan is paid in its entirety on its
Anticipated Prepayment Date and that no Mortgage Loan is otherwise voluntarily
prepaid prior to its Stated Maturity Date.

            "Prepayment Interest Excess" shall mean, with respect to any
Mortgage Loan that was subject to a Principal Prepayment in full or in part, or
any early collection of principal in the form of Insurance Proceeds or
Condemnation Proceeds received, made after the Due Date for such Mortgage Loan
in any Collection Period, any payment of interest (net of related Master
Servicing Fees and, further, net of any portion of such interest that represents
Default Interest or Post-ARD Additional Interest) actually collected from the
related Borrower or out of such Insurance Proceeds or Condemnation Proceeds, as
the case may be, and intended to cover the period from and after such Due Date
to, but not including, the date of prepayment (exclusive, however, of any
related Yield Maintenance Charge that may have been collected).

            "Prepayment Interest Shortfall" shall mean with respect to any
Mortgage Loan that was subject to a Principal Prepayment in full or in part, or
any early collection of principal in the form of Insurance Proceeds or
Condemnation Proceeds received, made prior to the Due Date for such Mortgage
Loan in any Collection Period, the amount of interest, to the extent not
collected from the related Borrower or out of such Insurance Proceeds or
Condemnation Proceeds, as the case may be (without regard to any Yield
Maintenance Charge that may have been collected), that would have accrued on the
amount of such Principal Prepayment or other early collection of Insurance
Proceeds or Condemnation Proceeds during the period from the date of prepayment
to, but not including, such Due Date (less the amount of related Master
Servicing Fees and, if applicable, exclusive of Default Interest and Post-ARD
Additional Interest).

            "Primary Servicing Fee" shall mean any primary servicing fee payable
to a Designated Sub-Servicer pursuant to a Designated Sub-Servicer Agreement.

            "Primary Servicing Fee Rate" shall mean, with respect to each
Mortgage Loan and any successor REO Mortgage Loan, the rate per annum specified
with respect to such Mortgage Loan under the heading "Primary Servicing Fee
Rate" in the Mortgage Loan Schedule.

            "Primary Servicing Office" shall mean the office of the Master
Servicer or the Special Servicer, as the context may require, that is primarily
responsible for such party's servicing obligations hereunder.

            "Prime Rate" shall mean the "prime rate" published in the "Money
Rates" section of The Wall Street Journal, as such "prime rate" may change from
time to time. If The Wall Street Journal ceases to publish the "prime rate,"
then the Trustee, in its sole discretion, shall select an equivalent publication
that publishes such "prime rate"; and if such "prime rate" is no longer
generally published or is limited, regulated or administered by a governmental
or quasi- governmental body, then the Trustee shall select a comparable interest
rate index. In either case, such selection shall be made by the Trustee in its
sole discretion and the Trustee shall notify the Master Servicer and the Special
Servicer in writing of its selection.

            "Principal Balance Certificates" shall mean, collectively, the Class
A-P&I Certificates and the Subordinate Principal Balance Certificates.

            "Principal Distribution Adjustment Amount" shall mean, as to any
Distribution Date, the sum of (i) the amount of any Nonrecoverable Advance that
was reimbursed to the Master Servicer, Special Servicer or Trustee and that was
deemed to have been reimbursed out of the Principal Distribution Amount, in each
case, with interest on such Advance (accrued at the Reimbursement Rate), during
the period since the preceding Distribution Date, (ii) any Workout-Delayed
Reimbursement Amount that was reimbursed to the Master Servicer, Special
Servicer or Trustee and that was deemed to have been reimbursed out of the
Principal Distribution Amount, in each case, with interest on such Advance
(accrued at the Reimbursement Rate), during the period since the preceding
Distribution Date and (iii) if any Insurance Proceeds, Condemnation Proceeds or
Liquidation Proceeds were received with respect to any Mortgage Loan or REO
Property, and/or any Mortgage Loan or REO Property is otherwise liquidated
(including by means of a Final Recovery Determination or the receipt of full,
partial, or discounted payoff), during the related Collection Period, an amount
equal to any Workout Fees and/or Liquidation Fees payable in connection
therewith

            "Principal Distribution Amount" shall mean:

            (a) with respect to any Distribution Date prior to the Final
      Distribution Date, an amount equal to the aggregate (without duplication)
      of the following-

            (i)    all payments of principal (including Principal Prepayments)
                  received by or on behalf of the Trust with respect to the
                  Mortgage Loans during the related Collection Period, in each
                  case net of any portion of the particular payment that
                  represents a Late Collection of principal for which a P&I
                  Advance was previously made for a prior Distribution Date or
                  that represents the principal portion of a Monthly Payment due
                  on or before the related Due Date in March 2007 or on a Due
                  Date subsequent to the end of the related Collection Period,

            (ii)   all scheduled payments of principal due in respect of the
                  Mortgage Loans for their respective Due Dates occurring during
                  the related Collection Period that were received by or on
                   behalf of the Trust (other than as part of a Principal
                  Prepayment) prior to the related Collection Period,

            (iii) all Insurance Proceeds, Condemnation Proceeds, Liquidation
                  Proceeds and proceeds of any purchase or repurchase of a
                  Mortgage Loan pursuant to this Agreement or any A/B
                  Intercreditor Agreement, received by or on behalf of the Trust
                  with respect to any of the Mortgage Loans during the related
                  Collection Period that were identified and applied as
                  recoveries of principal of such Mortgage Loans in accordance
                  with Section 1.03, in each case net of any portion of such
                  proceeds that represents a Late Collection of principal due on
                  or before the related Due Date in March 2007 or for which a
                  P&I Advance was previously made for a prior Distribution Date,

            (iv)   all Insurance Proceeds, Condemnation Proceeds, Liquidation
                  Proceeds and REO Revenues received by or on behalf of the
                  Trust in respect of any REO Properties during the related
                  Collection Period that were identified and applied as
                  recoveries of principal of the related REO Mortgage Loans in
                  accordance with Section 1.03, in each case net of any portion
                  of such proceeds and/or revenues that represents a Late
                   Collection of principal due on or before the related Due Date
                  in March 2007 or for which a P&I Advance was previously made
                  for a prior Distribution Date, and

            (v)    the respective principal portions of all P&I Advances made in
                  respect of the Mortgage Loans and any REO Mortgage Loans with
                  respect to such Distribution Date; and

      with respect to the Final Distribution Date, an amount equal to the
      aggregate Stated Principal Balance of the entire Mortgage Pool outstanding
      immediately prior to the Final Distribution Date.

            Notwithstanding the foregoing, (i) the Principal Distribution Amount
      will be reduced for any Loan Group as to which funds were used therefrom
      to reimburse Nonrecoverable Advances or Workout-Delayed Reimbursement
      Amounts (as described in Section 1.05) on any Distribution Date by an
      amount equal to the Principal Distribution Adjustment Amount calculated
      with respect to such Distribution Date and (ii) the Principal Distribution
      Amount will be increased for any Loan Group as to which funds were used
      therefrom to reimburse Nonrecoverable Advances or Workout-Delayed
      Reimbursement Amounts on any Distribution Date by the amount of any
      recovery occurring during the related Collection Period of an amount that
      was previously advanced with respect to a Mortgage Loan if such
      Nonrecoverable Advance or any Workout-Delayed Reimbursement Amount was
      previously reimbursed from Principal Distribution Amounts from such Loan
      Group in a manner that resulted in a Principal Distribution Adjustment
      Amount for such Loan Group on a prior Distribution Date.

            "Principal Prepayment" shall mean any voluntary payment of principal
made by the Borrower on a Mortgage Loan that is received in advance of its
scheduled Due Date and that is not accompanied by an amount of interest (without
regard to any Yield Maintenance Charge and/or Post-ARD Additional Interest that
may have been collected) representing scheduled interest due on any date or
dates in any month or months subsequent to the month of prepayment; provided
that "Principal Prepayment" shall not include any such payment of principal made
out of Insurance Proceeds, Condemnation Proceeds or Liquidation Proceeds.

            "Private Certificate" shall mean any Class A-X, Class B, Class C,
Class D, Class E, Class F, Class G, Class H, Class J, Class K, Class L, Class M,
Class N, Class O, Class P, Class Q, Class S, Class T or Class V Certificate.

            "Privileged Persons" shall mean the Depositor and any designee
thereof, the Master Servicer, the Special Servicer, the Underwriters, the Rating
Agencies, the Controlling Class Representative, each Certificateholder, each
Mortgage Loan Seller, to the extent that the Trustee has in accordance with
Section 5.06(b) confirmed the Ownership Interest in the Certificates held
thereby, each Certificate Owner and any prospective transferee provided such
party provides the Trustee with a certification substantially in the form of
Exhibit K-2 hereto.

            "Prohibited Party" shall mean any party that (i) is listed on the
Depositor's Do Not Hire List or (ii) is a proposed Servicing Function
Participant for which the Master Servicer, the Special Servicer or the Trustee
that seeks to retain such Servicing Function Participant has actual knowledge
that such party at any point prior to such hiring, assignment or transfer failed
to comply in all material respects with such proposed Servicing Function
Participant's obligations under Regulation AB with respect to any other
securitization.

            "Proposed Plan" shall have the meaning assigned thereto in Section
3.17(a).

            "Prospectus" shall mean the Base Prospectus and the Prospectus
Supplement, together.

            "Prospectus Supplement" shall mean that certain prospectus
supplement dated March 1, 2007, relating to the Registered Certificates, that is
a supplement to the Base Prospectus.

            "PTE" shall mean a prohibited transaction exemption, as issued by
the United States Department of Labor.

            "Public Certificate" shall mean any Class A-1, Class A-2, Class
A-AB, Class A-3, Class A-1-A, Class A-M, Class A-MFL, Class A-J or Class A-SP
Certificate.

            "Purchase Price" shall mean, with respect to any Mortgage Loan (or
REO Property), a cash price equal to the aggregate of (a) the outstanding
principal balance of such Mortgage Loan (or the related REO Mortgage Loan) as of
the date of purchase, (b) all accrued and unpaid interest on such Mortgage Loan
(or the related REO Mortgage Loan) at the related Mortgage Rate (exclusive of
any portion of such interest that represents Post-ARD Additional Interest) to,
but not including, the Due Date occurring in the Collection Period during which
the applicable purchase or repurchase occurs, (c) all related unreimbursed
Servicing Advances (or such Servicing Advance reimbursed by the Trust Fund from
general collections on the Mortgage Pool), (d) all accrued and unpaid Advance
Interest with respect to any related Advances (including any Advance Interest
reimbursed from general collections on the Mortgage Pool), and (e) solely in the
case of a repurchase or substitution by a Mortgage Loan Seller pursuant to the
related Mortgage Loan Purchase Agreement or by the Column Performance Guarantor
pursuant to the Column Performance Guarantee, (i) all related Special Servicing
Fees, Workout Fees (only if (x) such repurchase or substitution occurs after the
expiration of the applicable Initial Resolution Period and any applicable
Resolution Extension Period and (y) no Liquidation Fee is also payable in
connection with such repurchase or substitution by the Mortgage Loan Seller or
the Column Performance Guarantor, as applicable), Liquidation Fees (only if such
repurchase or substitution occurs after the expiration of the applicable Initial
Resolution Period and any applicable Resolution Extension Period), Advance
Interest (to the extent not otherwise included in the amount described in clause
(d) of this definition) and other related Additional Trust Fund Expenses (to the
extent not otherwise included in the amount described in clause (c) or clause
(d) of this definition), whether paid or then owing that have not been offset by
Default Charges related to such Mortgage Loan (or any successor REO Loan) or by
any Additional Master Servicing Compensation or Additional Special Servicer
Compensation related to such Mortgage Loan (or any successor REO Loan), and (ii)
to the extent not otherwise included in the amount described in clause (c),
clause (d) or clause (e)(i) of this definition, any costs and expenses incurred
by the Master Servicer, the Special Servicer or the Trustee (on behalf of the
Trust) in enforcing the obligation of such Person to repurchase or replace such
Mortgage Loan or REO Property.

            With respect to any Defaulted Mortgage Loan to be purchased by the
Controlling Class Representative (or any assignee thereof) or the Special
Servicer (or any Affiliate thereof) pursuant to Section 3.18(b) or 3.18(c)
following determination of Fair Value, the Purchase Price will equal the Fair
Value of such Defaulted Mortgage Loan (which shall include a Liquidation Fee if
the purchase option has been assigned without consideration to an unaffiliated
third party and such third party is exercising the purchase option). With
respect to any REO Property to be sold pursuant to Section 3.18(e), the Purchase
Price will equal the amount calculated in accordance with the second preceding
sentence in respect of the related REO Mortgage Loan (or, if such REO Property
relates to any A/B Loan Pair, in respect of all of the related REO Mortgage
Loans and treating the B Loans as if they were Mortgage Loans).

            "Purchase Price Security Deposit" shall have the meaning assigned
thereto in Section 2.03(b).

            "Purchase Price Security Deposit Account" shall mean a segregated
custodial account or accounts created by and maintained by the Master Servicer,
pursuant to Section 2.03(b), on behalf of the Trustee in trust for the
Certificateholders and the related Mortgage Loan Seller, which shall be entitled
"Capmark Finance Inc., as the Master Servicer, in trust for the registered
holders of Credit Suisse First Boston Mortgage Securities Corp., Commercial
Mortgage Pass-Through Certificates, Series 2007-C1, and [name of the related
Mortgage Loan Seller], Purchase Price Security Deposit Account."

            "Qualified Appraiser" shall mean, in connection with the appraisal
of any Mortgaged Property or REO Property, an Independent MAI-designated
appraiser with at least five years of experience in respect of the relevant
geographic location and property type.

            "Qualified Institutional Buyer" or "QIB" shall mean a "qualified
institutional buyer" within the meaning of Rule 144A under the Securities Act.

            "Qualified Insurer" shall mean (i) with respect to any Mortgage
Loan, Mortgaged Property or REO Property, an insurance company or security or
bonding company qualified to write the related Insurance Policy in the relevant
jurisdiction and that has a claims paying ability that is rated (or is
guaranteed or backed in writing by an entity with long-term unsecured debt that
is rated) at least "A" by Fitch and "A2" by Moody's (if then rated by Moody's),
(ii) with respect to the fidelity bond and errors and omissions Insurance Policy
required to be maintained pursuant to Section 3.07(c), an insurance company that
has a claims paying ability that is rated (or is guaranteed or backed by an
entity with long-term unsecured debt that is rated) no lower than two ratings
(without regard to pluses and minuses (in the case of Fitch) or numerical
designations (in the case of Moody's)) below the rating assigned to the then
highest rated outstanding Certificate, but in no event lower than "A3" by
Moody's (if then rated by Moody's) and "A" by Fitch or, in the case of clauses
(i) and (ii), such other rating as each Rating Agency shall have confirmed in
writing will not cause such Rating Agency to downgrade, qualify or withdraw the
then-current rating assigned to any of the Certificates that are then currently
being rated by such Rating Agency.

            "Qualifying Substitute Mortgage Loan" shall mean, in connection with
the replacement of a Defective Mortgage Loan as contemplated by Section 2.03,
any other mortgage loan which, on the date of substitution, (i) has a principal
balance, after deduction of the principal portion of any unpaid Monthly Payment
due on or before the date of substitution, not in excess of the Stated Principal
Balance of the Defective Mortgage Loan; (ii) is accruing interest at a fixed
rate of interest at least equal to, and not more than one percentage point in
excess of, that of the Defective Mortgage Loan; (iii) has the same Due Date as,
and a grace period for delinquent Monthly Payments that is no longer than, the
Due Date and grace period, respectively, of the Defective Mortgage Loan; (iv) is
accruing interest on the same Interest Accrual Basis as the Defective Mortgage
Loan; (v) has a remaining term to stated maturity not greater than, and not more
than one year less than, that of the Defective Mortgage Loan and, in any event,
has a Stated Maturity Date not later than two years prior to the Rated Final
Distribution Date; (vi) has a then current loan-to-value ratio not higher than,
and a then current debt service coverage ratio not lower than, the loan-to-value
ratio and debt service coverage ratio, respectively, of the Defective Mortgage
Loan as of the Closing Date; (vii) has comparable prepayment restrictions to
those of the Defective Mortgage Loan; (viii) will comply (except in a manner
that would not be adverse to the interests of the Certificateholders (as a
collective whole) in or with respect to such mortgage loan), as of the date of
substitution, with all of the representations relating to the Defective Mortgage
Loan set forth in or made pursuant to the related Mortgage Loan Purchase
Agreement; (ix) has a Phase I Environmental Assessment relating to the related
Mortgaged Property in its Servicing File, which Phase I Environmental Assessment
will evidence that there is no material adverse environmental condition or
circumstance at the related Mortgaged Property for which further remedial action
may be required under applicable law; and (x) constitutes a "qualified
replacement mortgage" within the meaning of Section 860G(a)(4) of the Code;
provided, however, that if more than one mortgage loan is to be substituted for
any Defective Mortgage Loan, then all such proposed Replacement Mortgage Loans
shall, in the aggregate, satisfy the requirement specified in clause (i) of this
definition and each such proposed Replacement Mortgage Loan shall, individually,
satisfy each of the requirements specified in clauses (ii) through (x) of this
definition; and provided, further, that no mortgage loan shall be substituted
for a Defective Mortgage Loan unless (x) such prospective Replacement Mortgage
Loan shall be acceptable to the Controlling Class Representative (or, if there
is no such Controlling Class Representative then serving, to the Holders of
Certificates representing a majority of the Voting Rights allocated to the
Controlling Class), in its (or their) absolute sole discretion, and (y) each
Rating Agency shall have confirmed in writing to the Trustee that such
substitution will not in and of itself result in an Adverse Rating Event with
respect to any Class of Rated Certificates (such written confirmation to be
obtained by the party (i.e., the related Mortgage Loan Seller or the Column
Performance Guarantor) effecting the substitution.

            "Rated Certificate" shall mean any of the Certificates to which a
rating has been assigned by either Rating Agency at the request of the
Depositor.

            "Rated Final Distribution Date" shall mean the Distribution Date
occurring in February 2040.

            "Rating Agency" shall mean either of Moody's and Fitch.

            "Realized Loss" shall mean:

            (1) with respect to each defaulted Mortgage Loan as to which a Final
      Recovery Determination has been made, or with respect to any successor REO
      Mortgage Loan as to which a Final Recovery Determination has been made as
      to the related REO Property, an amount (not less than zero) equal to (a)
      the unpaid principal balance of such Mortgage Loan or REO Mortgage Loan,
      as the case may be, as of the commencement of the Collection Period in
      which the Final Recovery Determination was made, plus (b) without taking
      into account the amount described in subclause (1)(c) of this definition,
      all unpaid interest accrued in respect of such Mortgage Loan or REO
      Mortgage Loan, as the case may be, to but not including the related Due
      Date in the Collection Period in which the Final Recovery Determination
      was made, exclusive, however, of any portion of such unpaid interest that
      constitutes Default Interest or, in the case of an ARD Mortgage Loan after
      its Anticipated Repayment Date, Post-ARD Additional Interest, all Special
      Servicing Fees, Workout Fees, Advance Interest or other fees, expenses or
      items with respect to such Mortgage Loan or REO Mortgage Loan that cause
      an Interest Shortfall to occur in any prior Interest Accrual Period, minus
      (c) all payments and proceeds, if any, received in respect of such
      Mortgage Loan or REO Mortgage Loan, as the case may be, during the
      Collection Period in which such Final Recovery Determination was made (net
      of any related Servicing Advances reimbursed therefrom and any related
      Liquidation Expenses paid therefrom);

            (2) with respect to each defaulted Mortgage Loan as to which any
      portion of the principal or past due interest payable thereunder was
      canceled in connection with a bankruptcy, insolvency or similar proceeding
      involving the related Borrower or a modification, waiver or amendment of
      such Mortgage Loan granted or agreed to by the Master Servicer or the
      Special Servicer pursuant to Section 3.20, the amount of such principal or
      past due interest (other than any Default Interest and, in the case of an
      ARD Mortgage Loan after its Anticipated Repayment Date, Post-ARD
      Additional Interest) so canceled; and

            (3) with respect to each defaulted Mortgage Loan as to which the
      Mortgage Rate thereon has been permanently reduced and not recaptured for
      any period in connection with a bankruptcy, insolvency or similar
      proceeding involving the related Borrower or a modification, waiver or
      amendment of such Mortgage Loan granted or agreed to by the Master
      Servicer or the Special Servicer pursuant to Section 3.20, the amount of
      any consequent reduction in the interest portion of each successive
      Monthly Payment due thereon (each such Realized Loss to be deemed to have
      been incurred on the Due Date for each affected Monthly Payment).

            "Record Date" shall mean, with respect to any Distribution Date, the
last Business Day of the month immediately preceding the month in which such
Distribution Date occurs.

            "Recording Omission" shall mean, with respect to any Mortgage Loan,
any Material Document Defect that exists, as of any date coinciding with or
following September 30, 2008, as a result of the omission from the Mortgage File
for such Mortgage Loan of the original or a copy of any document referred to in
clause (ii), clause (iii), clause (iv), clause (v) or, in the case of a
Mortgaged Property operated as a hospitality property, clause (viii) of the
definition of "Mortgage File," with evidence of recording or filing thereon or a
receipt or other certification evidencing recording or filing, because such
document (i) was not delivered by or on behalf of the related Mortgage Loan
Seller either as a recorded or filed document or in proper form for recording or
filing in the appropriate recording or filing office or (ii) was returned
unrecorded or unfiled as a result of an actual or purported defect therein.

            "Recording Omission Credit" shall mean, with respect to any Mortgage
Loan as to which there exists a Recording Omission as of September 30, 2008, a
letter of credit in the amount of 25% of the then outstanding principal amount
of such Mortgage Loan and otherwise satisfying the criteria set forth in the
related Mortgage Loan Purchase Agreement.

            "Recording Omission Reserve" shall mean, with respect to any
Mortgage Loan as to which there exists a Recording Omission as of September 30,
2008, a cash deposit in the amount of 25% of the then outstanding principal
amount of such Mortgage Loan.

            "Reference Rate" shall mean, with respect to any Distribution Date
from and including the April 2007 Distribution Date to and including the March
2014 Distribution Date, the corresponding rate per annum set forth on Exhibit J
hereto.

            "Registered Certificate" shall mean any Certificate that has been
subject to registration under the Securities Act. As of the Closing Date, the
Class A-1, Class A-2, Class A-AB, Class A-3, Class A-1-A, Class A-M, Class
A-MFL, Class A-J and Class A-SP Certificates constitute Registered Certificates.

            "Regular Certificates" shall mean any Public Certificates
or Private Certificates.

            "Regulation AB" shall mean Subpart 229.1100 - Asset Backed
Securities (Regulation AB), 17 C.F.R. ss.ss. 229.1100 - 229.1123, as such may be
amended from time to time, and subject to such clarification and interpretation
as have been provided by the Commission in the adopting release (Asset-Backed
Securities, Securities Act Release No. 33-8518, 70 Fed. Reg. 1,506 - 1,631 (Jan.
7, 2005)) or by the staff of the Commission, or as may be provided by the
Commission or its staff from time to time.

            "Regulation S" shall mean Regulation S under the Securities Act.

            "Regulation S Global Certificate" shall mean, with respect to any
Class of Book-Entry Non-Registered Certificates offered and sold outside of the
United States in reliance on Regulation S, a single temporary global
Certificate, in definitive, fully registered form without interest coupon, which
Certificate bears a Regulation S Legend.

            "Regulation S Legend" shall mean, with respect to any Class of
Book-Entry Non-Registered Certificates offered and sold outside the United
States in reliance on Regulation S, a legend generally to the effect that such
Certificates may not be offered, sold, pledged or otherwise transferred in the
United States or to a United States Securities Person prior to the Release Date
except pursuant to an exemption from the registration requirements of the
Securities Act.

            "Reimbursement Rate" shall mean the rate per annum applicable to the
accrual of Advance Interest, which rate per annum is equal to the Prime Rate.

            "Related Certificates," "Related Uncertificated Lower-Tier Interest"
and "Related Component" shall mean, for the following Classes of Uncertificated
Lower-Tier Interests and Components, the related Class of Certificates or Class
A-MFL Regular Interest set forth below; for the following Classes of
Certificates or Class A-MFL Regular Interest, the related Class or Classes of
Uncertificated Lower-Tier Interests and Components set forth below; and for the
following Components, the related Class of Certificates, Class A-MFL Regular
Interest or Class of Uncertificated Lower-Tier Interests set forth below:


<TABLE>
<CAPTION>
                                                                              Related
                                                                            Component
                                                                             of Class
                                         Related Uncertificated             A-X and A-SP
Related Certificates                      Lower-Tier Interest(1)           Certificates(1)
----------------------------    --------------------------------------    ----------------
<S>                             <C>                                        <C>

Class A-1 Certificate           Class LA-1-1 Uncertificated Interest      Component A-1-1
                               Class LA-1-2 Uncertificated Interest      Component A-1-2
Class A-2 Certificate           Class LA-2-1 Uncertificated Interest      Component A-2-1
                               Class LA-2-2 Uncertificated Interest      Component A-2-2
                               Class LA-2-3 Uncertificated Interest      Component A-2-3
Class A-AB Certificate          Class LA-AB-1 Uncertificated Interest     Component A-AB-1
                               Class LA-AB-2 Uncertificated Interest     Component A-AB-2
                               Class LA-AB-3 Uncertificated Interest     Component A-AB-3
                                Class LA-AB-4 Uncertificated Interest     Component A-AB-4
Class A-3 Certificate           Class LA-3-1 Uncertificated Interest      Component A-3-1
                               Class LA-3-2 Uncertificated Interest      Component A-3-2
                                Class LA-3-3 Uncertificated Interest      Component A-3-3
                               Class LA-3-4 Uncertificated Interest      Component A-3-4
                               Class LA-3-5 Uncertificated Interest      Component A-3-5
Class A-1-A Certificate         Class LA-1-A-1 Uncertificated Interest    Component A-1-A-1
                               Class LA-1-A-2 Uncertificated Interest    Component A-1-A-2
                               Class LA-1-A-3 Uncertificated Interest    Component A-1-A-3
                               Class LA-1-A-4 Uncertificated Interest    Component A-1-A-4
                               Class LA-1-A-5 Uncertificated Interest    Component A-1-A-5
                               Class LA-1-A-6 Uncertificated Interest    Component A-1-A-6
                               Class LA-1-A-7 Uncertificated Interest    Component A-1-A-7
                               Class LA-1-A-8 Uncertificated Interest    Component A-1-A-8
Class A-M Certificate           Class LA-M Uncertificated Interest        Component A-M
Class A-MFL Regular Interest    Class LA-MFL Uncertificated Interest      Component A-MFL
Class A-J Certificate           Class LA-J Uncertificated Interest        Component A-J
Class B Certificate             Class LB Uncertificated Interest          Component B
Class C Certificate             Class LC-1 Uncertificated Interest        Component C-1
                               Class LC-2 Uncertificated Interest        Component C-2
Class D Certificate             Class LD-1 Uncertificated Interest        Component D-1
                               Class LD-2 Uncertificated Interest        Component D-2
Class E Certificate             Class LE Uncertificated Interest          Component E
Class F Certificate             Class LF-1 Uncertificated Interest        Component F-1
                               Class LF-2 Uncertificated Interest        Component F-2
Class G Certificate             Class LG Uncertificated Interest          Component G
Class H Certificate             Class LH Uncertificated Interest          Component H
Class J Certificate             Class LJ Uncertificated Interest          Component J
Class K Certificate             Class LK Uncertificated Interest          Component K
Class L Certificate             Class LL Uncertificated Interest          Component L
Class M Certificate             Class LM Uncertificated Interest          Component M
Class N Certificate             Class LN Uncertificated Interest          Component N
Class O Certificate             Class LO Uncertificated Interest          Component O
Class P Certificate             Class LP Uncertificated Interest          Component P
Class Q Certificate             Class LQ Uncertificated Interest          Component Q
Class S Certificate             Class LS Uncertificated Interest          Component S
Class T Certificate             Class LT Uncertificated Interest          Component T
</TABLE>


----------
(1)    The Uncertificated Lower-Tier Interests and the Components of the Class
      A-X and Class A-SP Certificates that correspond to any particular Class of
      Certificates or the Class A-MFL Regular Interest set forth in the table
      above also correspond to each other and, accordingly, constitute the
      "Related Uncertificated Lower-Tier Interests" and the "Related
       Components," respectively, with respect to each other.

            "Release Date" shall mean, with respect to any Class of
Non-Registered Certificates (other than the Class R, Class LR and Class V
Certificates), the date that is 40 days following the later of (i) the
commencement of the offering of such Non-Registered Certificates to Persons
other than distributors in reliance upon Regulation S under the Securities Act
and (ii) the date of closing of such offering.

            "Relevant Servicing Criteria" shall mean the Servicing Criteria
applicable to each Reporting Servicer (as set forth, with respect to the Master
Servicer, the Special Servicer and the Trustee, on Exhibit U attached hereto).
For clarification purposes, multiple Reporting Servicers can have responsibility
for the same Relevant Servicing Criteria, and some of the Servicing Criteria
will not be applicable to certain Reporting Servicers. With respect to a
Servicing Function Participant engaged by the Trustee, the Master Servicer or
the Special Servicer, the term "Relevant Servicing Criteria" refers to the items
of the Relevant Servicing Criteria applicable to the Trustee, the Master
Servicer or the Special Servicer that engaged such Servicing Function
Participant that are applicable to such Servicing Function Participant based on
the functions it has been engaged to perform.

            "Remaining Principal Distribution Amount" shall mean, as to any
Distribution Date and any Class of Subordinate Certificates, the amount, if any,
by which the Principal Distribution Amount for such Distribution Date exceeds
the aggregate amount distributed in respect of Principal Distribution Amounts on
such Distribution Date to all Classes senior to such Class.

            "REMIC" shall mean a "real estate mortgage investment conduit" as
defined in Section 860D of the Code.

            "REMIC Provisions" shall mean the 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 Subtitle A of the
Code, and related provisions, and proposed, temporary and final Treasury
regulations and any published rulings, notices and announcements promulgated
thereunder, as the foregoing may be in effect from time to time.

            "Rents from Real Property" shall mean, with respect to any REO
Property, gross income of the character described in Section 856(d) of the Code.

            "REO Account" shall mean a segregated custodial account or accounts
created and maintained by the Special Servicer, pursuant to Section 3.16(b), on
behalf of the Trustee in trust for the Certificateholders and the related B Loan
Holder in connection with an A/B Loan Pair, which shall be entitled "Midland
Loan Services, Inc. [or the name of any successor Special Servicer], as Special
Servicer, on behalf of Wells Fargo Bank, N.A. [or the name of any successor
Trustee], in trust for the registered holders of Credit Suisse First Boston
Mortgage Securities Corp., Commercial Mortgage Pass Through Certificates and the
related B Loan Holder, Series 2007-C1, REO Account."

            "REO Acquisition" shall mean the acquisition of any REO Property
pursuant to Section 3.09.

            "REO Disposition" shall mean the sale or other disposition of any
REO Property pursuant to Section 3.18.

            "REO Extension" shall have the meaning assigned thereto in Section
3.16(a).

            "REO Mortgage Loan" shall mean the mortgage loan deemed for purposes
hereof to be outstanding with respect to each REO Property. Each REO Mortgage
Loan shall be deemed to provide for monthly payments of principal and/or
interest equal to its Assumed Monthly Payment and otherwise to have the same
terms and conditions as its predecessor Mortgage Loan (such terms and conditions
to be applied without regard to the default on such predecessor Mortgage Loan or
the Trust's acquisition of the subject REO Property). Each REO Mortgage Loan
shall be deemed to have an initial unpaid principal balance and Stated Principal
Balance equal to the unpaid principal balance and Stated Principal Balance,
respectively, of its predecessor Mortgage Loan as of the date of the related REO
Acquisition. All Monthly Payments (other than any Balloon Payment), Assumed
Monthly Payments (in the case of a Balloon Mortgage Loan delinquent in respect
of its Balloon Payment) and other amounts due and owing, or deemed to be due and
owing, in respect of the predecessor Mortgage Loan as of the date of the related
REO Acquisition (including, without limitation, those Nonrecoverable Advances
and Workout Delayed Reimbursement Amounts and interest thereon that were
reimbursed from collections of principal on the Mortgage Pool), shall be deemed
to continue to be due and owing in respect of an REO Mortgage Loan. In addition,
all amounts payable or reimbursable to the Master Servicer, the Special Servicer
or the Trustee in respect of the predecessor Mortgage Loan as of the date of the
related REO Acquisition, including any unpaid or unreimbursed Servicing Fees and
Advances (together with any related unpaid Advance Interest), shall continue to
be payable or reimbursable in the same priority and manner pursuant to Section
3.05(a) to such Master Servicer, such Special Servicer or the Trustee, as the
case may be, in respect of an REO Mortgage Loan.

            "REO Property" shall mean a Mortgaged Property acquired by or
otherwise on behalf of the Trust for the benefit of the Certificateholders and,
if such property relates to an A/B Loan Pair, the related B Loan Holder, through
foreclosure, acceptance of a deed in lieu of foreclosure or otherwise in
accordance with applicable law in connection with the default or imminent
default of a Mortgage Loan.

            "REO Revenues" shall mean all income, rents, profits and proceeds
derived from the ownership, operation or leasing of any REO Property. With
respect to an REO Property that had been security for an A Loan, the portion of
the amounts described above received with respect to such REO Property and
allocable to the related A Note pursuant to the related A/B Intercreditor
Agreement.

            "REO Tax" shall have the meaning assigned thereto in Section
3.17(a).

            "Replacement Mortgage Loan" shall mean any mortgage loan that is
substituted by a Mortgage Loan Seller or the Column Performance Guarantor for a
Defective Mortgage Loan as contemplated by Section 2.03.

            "Reportable Event" shall have the meaning assigned thereto in
Section 12.09.

            "Reporting Servicer" shall mean the Master Servicer, the Special
Servicer, the Trustee and any Servicing Function Participant, as the case may
be.

            "Request for Release" shall mean a request signed by a Servicing
Officer of, as applicable, the Master Servicer in the form of Exhibit D-1
attached hereto or the Special Servicer in the form of Exhibit D-2 attached
hereto.

            "Requesting Subordinate Certificateholder" shall mean the Holder of
any of the Class L, Class M, Class N, Class O, Class P, Class Q, Class S or
Class T Certificates, that delivers notice to the Trustee, the Master Servicer
and the Special Servicer indicating that such Holder is a "Requesting
Subordinate Certificateholder."

            "Required Appraisal Loan" shall mean any Mortgage Loan (and any
successor REO Mortgage Loan) as to which an Appraisal Trigger Event has
occurred; provided that a Mortgage Loan shall cease to be a Required Appraisal
Loan if and when, following the occurrence of the most recent Appraisal Trigger
Event with respect thereto, such Mortgage Loan has become a Corrected Mortgage
Loan and no other Servicing Transfer Event or Appraisal Trigger Event has
occurred with respect thereto during the preceding three months.

            "Reserve Account" shall mean any of the accounts established and
maintained pursuant to Section 3.03(e).

            "Reserve Funds" shall mean, with respect to any Mortgage Loan, any
amounts delivered by the related Borrower to be held in escrow by or on behalf
of the mortgagee representing: (i) reserves for repairs, replacements, capital
improvements and/or environmental testing and remediation with respect to the
related Mortgaged Property; (ii) reserves for tenant improvements and leasing
commissions; (iii) reserves for debt service; or (iv) amounts to be applied as a
Principal Prepayment on such Mortgage Loan or held as Additional Collateral in
the event that certain leasing or other economic criteria in respect of the
related Mortgaged Property are not met.

            "Residual Transfer Affidavit" shall have the meaning assigned
thereto in Section 5.02(d).

            "Resolution Extension Period" shall have the meaning assigned
thereto in Section 2.03(b).

            "Responsible Officer" shall mean (i) any officer of the Global
Securitization Trust Services Group of the Trustee (and, in the event that the
Trustee is the Certificate Registrar or the Paying Agent, of the Certificate
Registrar or the Paying Agent, as applicable) and (ii) when used with respect to
the initial Trustee, any Vice President, Assistant Vice President, corporate
trust officer or assistant corporate trust officer of the Trustee having direct
responsibility for the administration of this Agreement, and with respect to any
successor Trustee, any officer or assistant officer in the corporate trust
department of the Trustee or any other officer of the Trustee customarily
performing functions similar to those performed by any of the above designated
officers to whom a particular matter is referred by the Trustee because of such
officer's knowledge of and familiarity with the particular subject.

            "Restricted Servicer Reports" shall mean collectively, to the extent
not filed with the Commission, each of the CMSA Servicer Watch List, the CMSA
Operating Statement Analysis Report, the CMSA NOI Adjustment Worksheet, CMSA
Financial File and the CMSA Comparative Financial Status Report.

            "Rule 144A Global Certificate" shall mean, with respect to any Class
of Book-Entry Non-Registered Certificates, a single global Certificate
registered in the name of the Depository or its nominee, in definitive, fully
registered form without interest coupons, which Certificate bears a Qualified
Institutional Buyer CUSIP number and does not bear a Regulation S Legend.
            "Sarbanes-Oxley Act" shall mean the Sarbanes-Oxley Act of 2002 and
the rules and regulations of the Commission promulgated thereunder (including
any interpretations thereof by the Commission's staff).

            "Sarbanes-Oxley Certification" shall have the meaning set forth in
Section 12.08.

            "Securities Act" shall mean the Securities Act of 1933, as amended,
and the rules and regulations thereunder.

            "Security Agreement" shall mean, with respect to any Mortgage Loan,
any security agreement or equivalent instrument, whether contained in the
related Mortgage or executed separately, creating in favor of the holder of such
Mortgage a security interest in the personal property constituting security for
repayment of such Mortgage Loan.

            "Security Position Listing" shall mean a listing prepared by the
Depository of the holdings of Depository Participants with respect to the
Certificates.

            "Senior Certificates" shall mean, collectively, the Class A-1, Class
A-2, Class A-AB, Class A-3, Class A-1-A, Class A-SP and Class A-X Certificates.

            "Senior Principal Distribution Cross-Over Date" shall mean the first
Distribution Date as of which the aggregate of the Class Principal Balances of
the Class A-1, Class A-2, Class A-AB, Class A-3 and Class A-1-A Certificates
outstanding immediately prior thereto equals or exceeds the sum of (a) the
aggregate Stated Principal Balance of the Mortgage Pool that will be outstanding
immediately following such Distribution Date, plus (b) the lesser of (i) the
Principal Distribution Amount for such Distribution Date and (ii) the portion of
the Available Distribution Amount for such Distribution Date that will remain
after all distributions of interest to be made on the Senior Certificates on
such Distribution Date pursuant to Section 4.01(a) have been so made.

            "Servicer" shall have the meaning set forth in Section 12.03.

            "Service(s)(ing)" shall mean, in accordance with Regulation AB, the
act of servicing and administering the Mortgage Loans or any other assets of the
Trust by an entity that meets the definition of "servicer' set forth in Item
1101 of Regulation AB and is subject to the disclosure requirements set forth in
1108 of Regulation AB. For clarification purposes, any uncapitalized occurrence
of this term shall have the meaning commonly understood by participants in the
commercial mortgage-backed securitization market.

            "Servicing Account" shall mean any of the accounts established and
maintained pursuant to Section 3.03(a).

            "Servicing Advances" shall mean all customary, reasonable and
necessary "out-of-pocket" costs and expenses, including attorneys' fees and
expenses, paid or to be paid, as the context requires, out of its own funds, by
the Master Servicer or the Special Servicer (or, if applicable, the Trustee) in
connection with the servicing of a Mortgage Loan as to which a default,
delinquency or other unanticipated event has occurred or is reasonably
foreseeable, or in connection with the administration of any REO Property,
including (1) any such costs and expenses associated with (a) compliance with
the obligations of the Master Servicer and/or the Special Servicer set forth in
Sections 2.03, 3.03(c) and 3.09, (b) the preservation, insurance, restoration,
protection and management of a Mortgaged Property, including the cost of any
"force placed" insurance policy purchased by the Master Servicer or the Special
Servicer to the extent such cost is allocable to a particular Mortgaged Property
that the Master Servicer or the Special Servicer is required to cause to be
insured pursuant to Section 3.07(a), (c) obtaining any Insurance Proceeds,
Condemnation Proceeds or Liquidation Proceeds in respect of any such Mortgage
Loan or any REO Property, (d) any enforcement or judicial proceedings with
respect to any such Mortgage Loan, including foreclosures and similar
proceedings, (e) the operation, leasing, management, maintenance and liquidation
of any REO Property, (f) obtaining any Appraisal or environmental report
required to be obtained hereunder, and (g) UCC filings (to the extent that the
costs thereof are not reimbursed by the related Borrower), (2) the reasonable
and direct out-of-pocket travel expenses incurred by the Special Servicer in
connection with performing inspections pursuant to Section 3.12(a), and (3) any
other expenditure which is expressly designated as a Servicing Advance herein;
provided that, notwithstanding anything to the contrary, "Servicing Advances"
shall not include (A) allocable overhead of the Master Servicer or the Special
Servicer, such as costs for office space, office equipment, supplies and related
expenses, employee salaries and related expenses and similar internal costs and
expenses, (B) costs incurred by either such party or any Affiliate thereof in
connection with its purchase of any Mortgage Loan or REO Property pursuant to
any provision of this Agreement or (C) costs or expenses expressly required
under this Agreement to be borne by the Master Servicer or the Special Servicer.

            "Servicing Criteria" shall mean the criteria set forth in paragraph
(d) of Item 1122 of Regulation AB as such may be amended from time to time.

            "Servicing Fees" shall mean, with respect to any Mortgage Loan or
REO Mortgage Loan, the Master Servicing Fee and the Special Servicing Fee.

            "Servicing File" shall mean any documents, certificates, opinions
and reports (other than documents required to be part of the related Mortgage
File) delivered by the related Borrower in connection with or relating to the
origination and servicing of any Mortgage Loan or B Loan or which are reasonably
required for the ongoing administration of such Mortgage Loan or B Loan, as the
case may be, including property management agreements, appraisals, surveys,
engineering reports, environmental reports, financial statements, leases, rent
rolls and tenant estoppels, but excluding any other documents and writings that
have been prepared by the related Mortgage Loan Seller or any of its Affiliates
solely for internal credit analysis or other internal uses or any
attorney-client privileged communication, together with copies of documents
required to be part of the related Mortgage File.

            "Servicing Function Participant" shall mean any Person, other than
the Master Servicer, the Special Servicer and the Trustee, that is
"participating in the servicing function" within the meaning of Item 1122 of
Regulation AB, unless such Person's activities relate only to 5% or less of the
Mortgage Loans (calculated by Stated Principal Balance) or unless such Person is
not viewed, for the purposes of Exchange Act reporting requirements, as a party
participating in the servicing function separate and apart from the Master
Servicer, the Special Servicer or the Trustee, as the case may be, pursuant to
applicable SEC guidance.

            "Servicing Officer" shall mean any officer or employee of the Master
Servicer or the Special Servicer involved in, or responsible for, the
administration and servicing of the Mortgage Loans, whose name and specimen
signature appear on a list of servicing officers furnished by such party to the
Trustee and the Depositor on the Closing Date, as such list may be amended from
time to time by such Master Servicer or such Special Servicer.

            "Servicing Return Date" shall mean, with respect to any Corrected
Mortgage Loan, the date that servicing thereof is returned by the Special
Servicer to the Master Servicer pursuant to Section 3.21(a).

            "Servicing Standard-General" shall mean, with respect to the Special
Servicer and each servicer other than the Master Servicer (including without
limitation any Sub-Servicer), to service and administer the Mortgage Loans and
REO Properties for which it is responsible hereunder: (a) with the same care,
skill, prudence and diligence as is normal and usual in its general mortgage
servicing and REO property management activities on behalf of third parties or
on behalf of itself, whichever is higher, with respect to mortgage loans and REO
properties that are comparable to those for which it is responsible hereunder,
giving due consideration to customary and usual standards of practice of prudent
institutional commercial mortgage loan servicers used with respect to mortgage
loans and REO properties comparable to those for which it is responsible
hereunder; (b) with a view to the timely collection of all scheduled payments of
principal and interest under the Mortgage Loans and any B Loan, the full
collection of all Yield Maintenance Charges that may become payable under the
Mortgage Loans and, in the case of the Special Servicer, if a Mortgage Loan or
any B Loan comes into and continues in default and if, in the good faith and
reasonable judgment of the Special Servicer, no satisfactory arrangements can be
made for the collection of the delinquent payments (including payments of Yield
Maintenance Charges), the maximization of the recovery on such Mortgage Loan to
the Certificateholders (as a collective whole) (or in the case of any A/B Loan
Pair and its related B Loan, if any, the maximization of recovery on the A/B
Loan Pair to the Certificateholders and the B Loan Holder, as applicable, all
taken as a collective whole and taking into account the subordination of the B
Loan) on a present value basis (the relevant discounting of anticipated
collections that will be distributable to Certificateholders to be performed at
the related Net Mortgage Rate) as determined by the Special Servicer or Master
Servicer, as the case may be, in its reasonable judgment; and (c) without regard
to: (i) any relationship that the Master Servicer (or any Affiliate thereof) or
the Special Servicer (or any Affiliate thereof), as the case may be, may have
with the related Borrower or with any other party to this Agreement; (ii) the
ownership of any Certificate by the Master Servicer (or any Affiliate thereof)
or the Special Servicer (or any Affiliate thereof), as the case may be; (iii)
the obligation of the Master Servicer to make Advances, (iv) the obligation of
the Special Servicer to make, or direct the Master Servicer to make, Servicing
Advances; (v) the right of the Master Servicer (or any Affiliate thereof) or the
Special Servicer (or any Affiliate thereof), as the case may be, to receive
reimbursement of costs, or the sufficiency of any compensation payable to it,
hereunder or with respect to any particular transaction; (vi) any obligation
that the Master Servicer or Special Servicer, as the case may be, or any of its
affiliates, may have to cure a Breach or a Document Defect or to repurchase or
replace a Defective Mortgage Loan; (vii) any ownership, servicing and/or
management by the Master Servicer (or any Affiliate thereof) or the Special
Servicer (or any Affiliate thereof), as the case may be, of any other mortgage
loans or real property; or (viii) the ownership by the Master Servicer or
Special Servicer, as the case may be, or any of its Affiliates of any other debt
owed by, or secured by ownership interests in, any of the Borrowers or any
Affiliate of a Borrower.

            "Servicing Standard-Capmark" shall mean, with respect to the Master
Servicer, to service and administer the Mortgage Loans hereunder in accordance
with applicable law, the terms of this Agreement, the respective terms of the
Mortgage Loans and, to the extent not inconsistent with the foregoing, further
as follows: (a) with the same care, skill and diligence as is normal and usual
in Capmark's (as a master servicer) mortgage servicing activities on behalf of
third parties or on behalf of itself, whichever is higher, with respect to
mortgage loans that are comparable to the Mortgage Loans; (b) with a view to the
timely collection of all scheduled payments of principal and interest under the
Mortgage Loans and the maximization of the recovery on the Mortgage Loans to the
Certificateholders (as a collective whole) (or in the case of any A/B Loan Pair
and its related B Loan, if any, the maximization of recovery on the A/B Loan
Pair to the Certificateholders and the B Loan Holder, as applicable, all taken
as a collective whole and taking into account the subordination of the B Loan)
on a net present value basis; and (c) without regard to- (i) any relationship
that the Master Servicer, or any Affiliate thereof, may have with the related
Borrower, (ii) the ownership of any certificate, Mezzanine Loan or any B Loans
by the Master Servicer, or by any Affiliate thereof, (iii) the Master Servicer's
obligation to make advances, (iv) the right of the Master Servicer, or any
Affiliate thereof, to receive reimbursement of costs, or the sufficiency of any
compensation payable to it, hereunder or with respect to any particular
transaction, or (v) any obligation of the Master Servicer or any of its
Affiliates (in their capacity as a Mortgage Loan Seller) to cure a breach of a
representation or warranty or repurchase the Mortgage Loan.

            "Servicing Standard" shall mean, with respect to the Master
Servicer, the Servicing Standard-Capmark and, with respect to any other servicer
(including without limitation the Special Servicer and any Sub-Servicer), the
Servicing Standard-General.

            "Servicing Transfer Event" shall mean, with respect to any Mortgage
Loan, any of the following events:

            (a) the related Borrower has failed to make when due any Monthly
      Payment (including a Balloon Payment) or any other payment required under
      the related Mortgage Loan Documents (including, in the case of an A/B Loan
      Pair, any scheduled payment of principal or interest on any B Loan), which
      failure continues, or the Master Servicer determines, in its reasonable
      judgment, will continue, unremedied for the following time periods-(i)
      except in the case of a delinquent Balloon Payment, for 60 days beyond the
       date on which the subject payment was due and (ii) solely in the case of a
      delinquent Balloon Payment, for 90 days beyond the related maturity date
      or, if the related Borrower has delivered to the Master Servicer a
      refinancing commitment reasonably acceptable to the Special Servicer and
      continues to pay the Assumed Monthly Payment, for such longer period, not
      to exceed 150 days beyond the related maturity date, during which the
      refinancing would occur; or

             (b) the Master Servicer has determined, in its reasonable judgment,
      that a default in making a Monthly Payment (including a Balloon Payment)
      or any other material payment required under the related Mortgage Loan
      Documents is likely to occur within 30 days and either (i) the related
      Borrower has requested a material modification of the payment terms of the
      related Mortgage Loan, or (ii) such default is likely to remain unremedied
      for at least the period contemplated by clause (a) of this definition; or

            (c) the Master Servicer or Special Servicer (with the consent of the
      Controlling Class Representative in the case of a determination by the
      Special Servicer) has determined, in its reasonable judgment, that a
      default, other than as described in clause (a) or (b) of this definition,
      has occurred that may materially impair the value of the related Mortgaged
      Property as security for the Mortgage Loan, which default has continued
      unremedied for the applicable cure period under the terms of the Mortgage
      Loan (or, if no cure period is specified, for 60 days), provided, that the
      failure of the related Borrower to obtain all-risk casualty insurance
      which does not contain any carve-out for terrorist or similar acts (other
      than such amounts as are specifically allowed by the related Loan
      Agreement) shall not apply with respect to this clause if the Master
      Servicer has determined (which determination shall be subject to the
      approval of the