Document:

EXHIBIT 10.1

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              CREDIT SUISSE FIRST BOSTON MORTGAGE SECURITIES CORP.
                                   (Depositor)

                                       and

                             COLUMN FINANCIAL, INC.
                                    (Seller)

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                        MORTGAGE LOAN PURCHASE AGREEMENT

                          Dated as of September 1, 2006

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

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                                   TABLE OF CONTENTS

Section 1.     Transactions on or Prior to the Closing Date.....................
Section 2.     Closing Date Actions.............................................
Section 3.     Conveyance of Mortgage Loans.....................................
Section 4.     Depositor's Conditions to Closing................................
Section 5.     Seller's Conditions to Closing...................................
Section 6.     Representations and Warranties of Seller.........................
Section 7.     Obligations of Seller............................................
Section 8.     Crossed Mortgage Loans...........................................
Section 9.     Rating Agency Fees; Costs and Expenses Associated
               with a Defeasance................................................
Section 10.    Representations and Warranties of Depositor......................
Section 11.    Survival of Certain Representations, Warranties
               and Covenants....................................................
Section 12.    Transaction Expenses.............................................
Section 13.    Recording Costs and Expenses.....................................
Section 14.    Notices..........................................................
Section 15.    Notice of Exchange Act Reportable Events.........................
Section 16.    Examination of Mortgage Files....................................
Section 17.    Successors.......................................................
Section 18.    Governing Law....................................................
Section 19.    Severability.....................................................
Section 20.    Further Assurances...............................................
Section 21.    Counterparts.....................................................
Section 22.    Treatment as Security Agreement..................................

Schedule I     Schedule of Transaction Terms
Schedule II    Mortgage Loan Schedule for Column Loans
Schedule III   Mortgage Loans Constituting Mortgage Groups
Schedule IV    Mortgage Loans with Lost Mortgage Notes
Schedule V     Exceptions with Respect to Seller's Representations
               and Warranties

Exhibit A      Representations and Warranties of Seller Regarding the
               Mortgage Loans
Exhibit B      Form of Lost Mortgage Note Affidavit

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                        MORTGAGE LOAN PURCHASE AGREEMENT

              This Mortgage Loan Purchase Agreement (this "Agreement"), dated as
of September 1, 2006, is made by and between COLUMN FINANCIAL, INC., a Delaware
corporation ("Seller"), and CREDIT SUISSE FIRST BOSTON MORTGAGE SECURITIES
CORP., a Delaware corporation ("Depositor").

                                    RECITALS

              I. Capitalized terms used herein without definition have the
meanings ascribed to them in the Schedule of Transaction Terms attached hereto
as Schedule I, which is incorporated herein by this reference, or, if not
defined therein or elsewhere in this Agreement, in the Pooling and Servicing
Agreement.

              II. On the Closing Date, and on the terms set forth herein, Seller
has agreed to sell to Depositor and Depositor has agreed to purchase from Seller
the mortgage loans identified on the schedule (the "Mortgage Loan Schedule")
annexed hereto as Schedule II (each such mortgage loan, a "Mortgage Loan" and,
collectively, the "Mortgage Loans"). Depositor intends to deposit the Mortgage
Loans and other assets into a trust fund (the "Trust Fund") created pursuant to
the Pooling and Servicing Agreement and to cause the issuance of the
Certificates.

                                    AGREEMENT

              NOW, THEREFORE, on the terms and conditions set forth below and
for good and valuable consideration, the receipt and adequacy of which is hereby
acknowledged, Depositor and Seller agree as follows:

              Section 1. Transactions on or Prior to the Closing Date. On or
prior to the Closing Date, Seller shall have delivered the Mortgage Files with
respect to each of the Mortgage Loans listed in the Mortgage Loan Schedule to
Wells Fargo Bank, N.A. as trustee (the "Trustee") or its designee, against
receipt by Seller of a trust receipt, pursuant to an arrangement between Seller
and the Trustee; provided, however, that item (p) in the definition of Mortgage
File (below) shall be delivered to the applicable Master Servicer for inclusion
in the Servicer File (defined below) with a copy delivered to the Trustee for
inclusion in the Mortgage File.

              Section 2. Closing Date Actions. The sale of the Mortgage Loans
shall take place on the Closing Date, subject to and simultaneously with the
deposit of the Mortgage Loans into the Trust Fund, the issuance of the
Certificates and the sale of (a) the Publicly Offered Certificates by Depositor
to the Underwriters pursuant to the Underwriting Agreement and (b) the Private
Certificates by Depositor to the Initial Purchaser pursuant to the Certificate
Purchase Agreement. The closing (the "Closing") shall take place at the offices
of Cadwalader, Wickersham & Taft LLP, One World Financial Center, New York, New
York 10281, or such other location as agreed upon between the parties hereto. On
the Closing Date, the following actions shall take place in sequential order on
the terms set forth herein:

              (i) Seller shall sell to Depositor, and Depositor shall purchase
       from Seller, the Mortgage Loans pursuant to this Agreement for the
       Mortgage Loan Purchase Price (as defined herein). The Mortgage Loan
       Purchase Price shall be paid by Depositor to Seller or at its direction
       by wire transfer in immediately available funds to an account designated
       by Seller on or prior to the Closing Date (or, by such other method as
       shall be mutually acceptable to Depositor and Seller). The "Mortgage Loan
       Purchase Price" paid by Depositor shall be equal to the amount that the
       Depositor and the Seller have mutually agreed upon as the Seller's share
       of the net securitization proceeds from the sale of the Publicly Offered
       Certificates and the Private Certificates as set forth in the Closing
       Statement (which amount includes, without limitation, accrued interest).

              (ii) Pursuant to the terms of the Pooling and Servicing Agreement,
       Depositor shall sell all of its right, title and interest in and to the
       Mortgage Loans to the Trustee for the benefit of the Holders of the
       Certificates.

              (iii) Depositor shall sell to the Underwriters, and the
       Underwriters shall purchase from Depositor, the Publicly Offered
       Certificates pursuant to the Underwriting Agreement, and Depositor shall
       sell to the Initial Purchaser, and the Initial Purchaser shall purchase
       from Depositor, the Private Certificates pursuant to the Certificate
       Purchase Agreement.

              (iv) The Underwriters will offer the Publicly Offered Certificates
       for sale to the public pursuant to the Prospectus and the Prospectus
       Supplement and the Initial Purchaser will privately place certain classes
       of the Private Certificates pursuant to the Offering Circular.

              Section 3. Conveyance of Mortgage Loans. On the Closing Date,
Seller shall sell, convey, assign and transfer, subject to any related servicing
rights of any applicable Master Servicer under, and/or any applicable Primary
Servicer contemplated by, the Pooling and Servicing Agreement, without recourse
except as provided herein, to Depositor, free and clear of any liens, claims or
other encumbrances, all of Seller's right, title and interest in, to and under:
(i) each of the Mortgage Loans identified on the Mortgage Loan Schedule, and
(ii) all property of Seller described in Section 21(b) of this Agreement,
including, without limitation, (A) all scheduled payments of interest and
principal due on or with respect to the Mortgage Loans after the Cut-off Date
and (B) all other payments of interest, principal or yield maintenance charges
received on or with respect to the Mortgage Loans after the Cut-off Date, other
than any such payments of interest or principal or yield maintenance charges
that were due on or prior to the Cut-off Date. The Mortgage File for each
Mortgage Loan shall contain the following documents on a collective basis:

              (a) the original Note (or with respect to those Mortgage Loans
listed in Schedule IV hereto, a "lost note affidavit" substantially in the form
of Exhibit B hereto and a true and complete copy of the Note), bearing, or
accompanied by, all prior and intervening endorsements, assignments or allonges
showing a complete chain of endorsement or assignment from the Mortgage Loan
Originator either in blank or to Seller, and further endorsed (at the direction
of Depositor given pursuant to this Agreement) by Seller, on its face or by
allonge attached thereto, without recourse, either 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 2006-C4,
without recourse, representation or warranty, express or implied";

              (b) 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 Mortgage Loan Originator to Seller, in each case in
the form submitted for recording or, if recorded, with evidence of recording
indicated thereon;

              (c) an original assignment of the Mortgage, in recordable form
(except for any missing recording information and, if applicable, completion of
the name of the assignee), from Seller (or the Mortgage Loan Originator) either
in blank or to "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 2006-C4";

              (d) an original, counterpart or copy of any related Assignment of
Leases (if such item is a document separate from the Mortgage), and the
originals, counterparts or copies of any intervening assignments thereof from
the Mortgage Loan Originator of the Loan to Seller, in each case in the form
submitted for recording or, if recorded, with evidence of recording thereon;

              (e) an original assignment of any related Assignment of Leases (if
such item is a document separate from the Mortgage and to the extent not already
assigned pursuant to clause (c) above), in recordable form (except for any
missing recording information and, if applicable, completion of the name of the
assignee), from Seller (or the Mortgage Loan Originator), either in blank or to
"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 2006-C4";

              (f) an original or true and complete copy of any related Security
Agreement (if such item is a document separate from the Mortgage), and the
originals or copies of any intervening assignments thereof from the Mortgage
Loan Originator to Seller;

              (g) an original assignment of any related Security Agreement (if
such item is a document separate from the Mortgage and to the extent not already
assigned pursuant to clause (c) above), from Seller (or the Mortgage Loan
Originator) either in blank or to "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 2006-C4," which assignment
may be included as part of an omnibus assignment covering other documents
relating to the Mortgage Loan (provided that such omnibus assignment is
effective under applicable law);

              (h) originals or copies of all (A) assumption agreements, (B)
modifications, (C) written assurance agreements and (D) substitution agreements,
together with any evidence of recording thereon or in the form submitted for
recording, in those instances where the terms or provisions of the Mortgage,
Note or any related security document have been modified or the Mortgage Loan
has been assumed;

              (i) the original lender's title insurance policy or a copy thereof
(together with all endorsements or riders that were issued with or subsequent to
the issuance of such policy), or if the policy has not yet been issued, the
original or a copy of a binding written commitment (which may be a pro forma or
specimen title insurance policy which has been accepted or approved in writing
by the related title insurance company) or interim binder that is marked as
binding and countersigned by the title company, insuring the priority of the
Mortgage as a first lien on the related Mortgaged Property, relating to such
Mortgage Loan;

              (j) the original or a counterpart of any guaranty of the
obligations of the Borrower under the Mortgage Loan;

              (k) UCC acknowledgement, certified or other copies of all UCC
Financing Statements and continuation statements which show the filing or
recording thereof (including the filing number or other similar filing
information) or, alternatively, other evidence of filing or recording (including
the filing number or other similar filing information) acceptable to the Trustee
(including, without limitation, evidence of such filed or recorded UCC Financing
Statement as shown on a written UCC search report from a reputable search firm,
such as Corporation Service Company, CT Corporation System and the like or
printouts of on-line confirmations from such UCC filing or recording offices or
authorized agents thereof), 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, and original UCC Financing Statement
assignments, in a form suitable for filing or recording, sufficient to assign
each such UCC Financing Statement to the Trustee;

              (l) the original or copy of the power of attorney (with evidence
of recording thereon) granted by the Borrower if the Mortgage, Note or other
document or instrument referred to above was not signed by the Borrower;

              (m) with respect to any debt of a Borrower permitted under the
related Mortgage Loan, an original or copy of a subordination agreement,
standstill agreement or other intercreditor, co-lender or similar agreement
relating to such other debt, if any, including any mezzanine loan documents or
preferred equity documents, and a copy of the promissory note relating to such
other debt (if such other debt is also secured by the related Mortgage);

              (n) with respect to any Cash Collateral Accounts and Lock-Box
Accounts, an original or copy of any related account control agreement;

              (o) 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 Account Agreement (if separate from the related
Mortgage and Loan Agreement);

              (p) the originals and copies of letters of credit, if any,
relating to the Mortgage Loans and amendments thereto which entitles the Trust
to draw thereon; provided that in connection with the delivery of the Mortgage
File to the Trust, such originals shall be delivered to the applicable Master
Servicer and copies thereof shall be delivered to the Trustee;

              (q) any related environmental insurance policies and any
environmental guarantees or indemnity agreements or copies thereof;

              (r) the original or a copy of the ground lease, ground lease
memorandum and ground lease estoppels, if any, and any originals or copies of
amendments, modifications or extensions thereto, if any;

              (s) the original or copy of any property management agreement;

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

              (u) a checklist of the documents included in the subject Mortgage
File;

              (v) if applicable, the original or a counterpart of any
post-closing agreement relating to any modification, waiver or amendment of any
term of any Mortgage Loan (including fees charged the Borrower) required to be
added to the Mortgage File pursuant to Section 3.20(l) of the Pooling and
Servicing Agreement.

              Notwithstanding the foregoing, in the event that, in connection
with any Mortgage Loan, Seller cannot deliver, or cause to be delivered, an
original, counterpart or certified copy, as applicable, of any of the documents
and/or instruments required to be delivered pursuant to clauses (b), (d), (h),
(k) (other than assignments of UCC Financing Statements to be recorded or filed
in accordance with the transfer contemplated by this Agreement), (1) and (n)
(other than assignments of UCC Financing Statements to be recorded or filed in
accordance with the transfer contemplated by this Agreement) above and with
evidence of recording or filing thereon on the Closing Date, solely because of a
delay caused by the public recording or filing office where such document or
instrument has been delivered for recordation or filing, then the Seller: (i)
shall deliver, or cause to be delivered, to the Trustee or its designee a
duplicate original or true copy of such document or instrument certified by the
applicable public recording or filing office, the applicable title insurance
company or Seller to be a true and complete duplicate original or copy of the
original thereof submitted for recording or filing; and (ii) shall deliver, or
cause to be delivered, to the Trustee or its designee either the original of
such non-delivered document or instrument, or a photocopy thereof (certified by
the appropriate public recording or filing office to be a true and complete copy
of the original thereof submitted for recording or filing), with evidence of
recording or filing thereon (with a copy to the applicable Master Servicer),
within 120 days of the Closing Date, which period may be extended up to two
times, in each case for an additional period of 45 days (provided that Seller,
as certified in writing to the Trustee prior to each such 45-day extension, is
in good faith attempting to obtain from the appropriate county recorder's office
such original or photocopy). Compliance with this paragraph will satisfy
Seller's delivery requirements under this Section 3 with respect to the subject
document(s) and instrument(s).

              Notwithstanding the foregoing, in the event that, in connection
with any Mortgage Loan, Seller cannot deliver, or cause to be delivered, an
original, counterpart or certified copy, as applicable, of any of the documents
and/or instruments required to be delivered pursuant to clauses (b), (d), (h),
(k) (other than assignments of UCC Financing Statements to be recorded or filed
in accordance with the transfer contemplated by this Agreement), (1) and (n)
(other than assignments of UCC Financing Statements to be recorded or filed in
accordance with the transfer contemplated by this Agreement) above with evidence
of recording or filing thereon for any other reason, including without
limitation, that such non-delivered document or instrument has been lost, the
delivery requirements of this Agreement shall be deemed to have been satisfied
and such non-delivered document or instrument shall be deemed to have been
included in the related Mortgage File if a photocopy of such non-delivered
document or instrument (with evidence of recording or filing thereon and
certified by the appropriate recording or filing office to be a true and
complete copy of the original thereof as filed or recorded) is delivered to the
Trustee (with a copy to the applicable Master Servicer) on or before the Closing
Date.

              Notwithstanding the foregoing, in the event that Seller cannot
deliver any UCC Financing Statement assignment with the filing or recording
information of the related UCC Financing Statement with respect to any Mortgage
Loan, solely because such UCC Financing Statement has not been returned by the
public filing or recording office where such UCC Financing Statement has been
delivered for filing or recording, Seller shall so notify the Trustee and shall
not be in breach of its obligations with respect to such delivery, provided that
Seller promptly forwards such UCC Financing Statement to the Trustee (with a
copy to the applicable Master Servicer) upon its return, together with the
related original UCC Financing Statement assignment in a form appropriate for
filing or recording.

              Notwithstanding the foregoing, Seller may, at its sole cost and
expense, but is not obligated to, engage a third-party contractor to prepare or
complete in proper form for filing or recording any and all assignments of
Mortgage, assignments of Assignments of Leases and assignments of UCC Financing
Statements to the Trustee to be delivered pursuant to clauses (c), (e), (k), and
(n) above (collectively, the "Assignments"), to submit those Assignments for
filing and recording, as the case may be, in the applicable public filing and
recording offices and to deliver those Assignments to the Trustee (with a copy
to the applicable Master Servicer) or its designee as those Assignments (or
certified copies thereof) are received from the applicable filing and recording
offices with evidence of such filing or recording indicated thereon. However, in
the event Seller engages a third-party contractor as contemplated in the
immediately preceding sentence, the rights, duties and obligations of Seller
pursuant to this Agreement remain binding on Seller; and, if Seller does not
engage a third party as contemplated by the immediately preceding sentence, then
Seller will still be liable for recording and filing fees and expenses of the
Assignments as and to the extent contemplated by Section 13 hereof.

              Within ten (10) Business Days after the Closing Date, Seller shall
deliver the Servicer Files with respect to each of the Mortgage Loans to the
applicable Master Servicer (or, if applicable, to a Sub-Servicer (with a copy to
the applicable Master Servicer) at the direction of the applicable Master
Servicer), under the Pooling and Servicing Agreement on behalf of the Trustee in
trust for the benefit of the Certificateholders. Each such Servicer File shall
contain all documents and records in Seller's possession relating to such
applicable Mortgage Loans (including reserve and escrow agreements, cash
management agreements, lockbox agreements, rent rolls, leases, environmental and
engineering reports, third-party underwriting reports, appraisals, surveys,
legal opinions, estoppels, financial statements, operating statements and any
other information provided by the respective Borrower from time to time, but
excluding any draft documents, attorney/client communications, which are
privileged or constitute legal or other due diligence analyses, and documents
prepared by Seller or any of its Affiliates solely for internal communication,
credit underwriting or due diligence analyses (other than the underwriting
information contained in the related underwriting memorandum or asset summary
report prepared by the Seller in connection with the preparation of Exhibit A-1
to the Prospectus Supplement)) that are not required to be a part of a Mortgage
File in accordance with the definition thereof, together with copies of all
instruments and documents which are required to be a part of the related
Mortgage File in accordance with the definition thereof.

              In addition, with respect to each Mortgage Loan as to which any
Additional Collateral is in the form of a letter of credit as of the Closing
Date, the Seller (within 30 days after the Closing Date) shall cause to be
prepared, executed and delivered to the issuer of each such letter of credit
such notices, assignments and acknowledgements as are required under such letter
of credit to assign, without recourse, to, and vest in, the Trustee (in care of
the applicable Master Servicer) (whether by actual assignment or by amendment of
the letter of credit) the Seller's rights as the beneficiary thereof and drawing
party thereunder. The designated beneficiary under each letter of credit
referred to in the preceding sentence shall be the Trustee (in care of the
applicable Master Servicer).

              For purposes of this Section 3, and notwithstanding any contrary
provision hereof or of the definition of "Mortgage File," if there exists with
respect to any group of Crossed Mortgage Loans only one original or certified
copy of any document or instrument described in the definition of "Mortgage
File" which pertains to all of the Crossed Mortgage Loans in such group of
Crossed Mortgage Loans, the inclusion of the original or certified copy of such
document or instrument in the Mortgage File for any of such Crossed Mortgage
Loans and the inclusion of a copy of such original or certified copy in each of
the Mortgage Files for the other Crossed Mortgage Loans in such group of Crossed
Mortgage Loans, shall be deemed the inclusion of such original or certified
copy, as the case may be, in the Mortgage File for each such Crossed Mortgage
Loan.

              Seller shall, promptly after the Closing Date, but in all events
within three (3) Business Days after the Closing Date, cause all funds on
deposit in escrow accounts maintained with respect to the Mortgage Loans in the
name of Seller or any other name, to be transferred to or at the direction of
the applicable Master Servicer (or, if applicable, to a Sub-Servicer at the
direction of the applicable Master Servicer) for deposit into Servicing
Accounts.

              The Trustee, as assignee or transferee of Depositor, shall be
entitled to all scheduled principal payments due after the Cut-off Date, all
other payments of principal due and collected after the Cut-off Date, and all
payments of interest on the Mortgage Loans, minus that portion of any such
payment which is allocable to the period on or prior to the Cut-off Date. All
scheduled payments of principal due on or before the Cut-off Date and collected
after the Cut-off Date, together with the accompanying interest payments, shall
belong to Seller.

              Upon the sale of the Mortgage Loans from Seller to Depositor
pursuant hereto, the ownership of each Note, the related Mortgage Loan and the
contents of the related Mortgage File shall be vested in Depositor and the
ownership of all records and documents with respect to the related Mortgage Loan
prepared by or which come into the possession of Seller as seller of the
Mortgage Loans hereunder, exclusive in each case of records and documents that
are not required to be delivered hereunder by Seller, shall immediately vest in
Depositor. All Monthly Payments, Principal Prepayments and other amounts
received by Seller and not otherwise belonging to Seller pursuant to this
Agreement shall be sent by Seller within three (3) Business Days after Seller's
receipt thereof to the applicable Master Servicer via wire transfer for deposit
by the applicable Master Servicer into the Collection Account.

              Upon the sale of Certificates representing at least 10% of the
fair value of all the Certificates to unaffiliated third parties, Seller shall,
under generally accepted accounting principles ("GAAP"), report its transfer of
the Mortgage Loans to Depositor, as provided herein, as a sale of the Mortgage
Loans to Depositor in exchange for the consideration specified in Section 2
hereof. In connection with the foregoing, upon sale of Certificates representing
at least 10% of the fair value of all the Certificates to unaffiliated third
parties, Seller shall cause all of its financial and accounting records to
reflect such transfer as a sale (as opposed to a secured loan). Regardless of
its treatment of the transfer of the Mortgage Loans to the Depositor under GAAP,
Seller shall at all times following the Closing Date cause all of its records
and financial statements and any relevant consolidated financial statements of
any direct or indirect parent to clearly reflect that the Mortgage Loans have
been transferred to Depositor and are no longer available to satisfy claims of
Seller's creditors.

              After Seller's transfer of the Mortgage Loans to Depositor, as
provided herein, Seller shall not take any action inconsistent with Depositor's
ownership (or the ownership by any of Depositor's assignees) of the Mortgage
Loans. Except for actions that are the express responsibility of another party
hereunder or under the Pooling and Servicing Agreement, and further except for
actions that Seller is expressly permitted to complete subsequent to the Closing
Date, Seller shall, on or before the Closing Date, take all actions required
under applicable law to effectuate the transfer of the Mortgage Loans by Seller
to Depositor.

              Section 4. Depositor's Conditions to Closing. The obligations of
Depositor to purchase the Mortgage Loans and pay the Mortgage Loan Purchase
Price at the Closing Date under the terms of this Agreement are subject to the
satisfaction of each of the following conditions at or before the Closing:

              (a) Each of the obligations of Seller required to be performed by
it on or prior to the Closing Date pursuant to the terms of this Agreement shall
have been duly performed and complied with in all material respects; all of the
representations and warranties of Seller under this Agreement (subject to the
exceptions set forth in the Exception Report) shall be true and correct in all
material respects as of the Closing Date; no event shall have occurred with
respect to Seller or any of the Mortgage Loans and related Mortgage Files which,
with notice or the passage of time, would constitute a material default under
this Agreement; and Depositor shall have received certificates to the foregoing
effect signed by authorized officers of Seller.

              (b) Depositor, or if directed by Depositor, the Trustee or
Depositor's attorneys or other designee, shall have received in escrow, all of
the following closing documents, in such forms as are agreed upon and reasonably
acceptable to Depositor and Seller, duly executed by all signatories other than
Depositor, as required pursuant to the respective terms thereof:

              (i) the Mortgage Files, subject to the provisos of Section 1 of
       this Agreement, which shall have been delivered to and held by the
       Trustee or its designee on behalf of Seller;

              (ii) the Mortgage Loan Schedule;

              (iii) the certificate of Seller confirming its representations and
       warranties set forth in Section 6(a) (subject to the exceptions set forth
       in the Exception Report) as of the Closing Date;

              (iv) an opinion or opinions of Seller's counsel, dated the Closing
       Date, covering various corporate matters and such other matters as shall
       be reasonably required by Depositor;

              (v) such other certificates of Seller's officers or others and
       such other documents to evidence fulfillment of the conditions set forth
       in this Agreement as Depositor or its counsel may reasonably request; and

              (vi) all other information, documents, certificates, or letters
       with respect to the Mortgage Loans or Seller and its Affiliates as are
       reasonably requested by Depositor in order for Depositor to perform any
       of it obligations or satisfy any of the conditions on its part to be
       performed or satisfied pursuant to any sale of Mortgage Loans by
       Depositor as contemplated herein.

              (c) Seller shall have performed or complied with all other terms
and conditions of this Agreement which it is required to perform or comply with
at or before the Closing and shall have the ability to perform or comply with
all duties, obligations, provisions and terms which it is required to perform or
comply with after the Closing.

              (d) Seller shall have delivered to the Trustee, on or before the
Closing Date, five (5) limited powers of attorney in favor of the Trustee and
Special Servicer empowering the Trustee and, in the event of the failure or
incapacity of the Trustee, the Special Servicer, to record, at the expense of
Seller, any Mortgage Loan Documents required to be recorded and any intervening
assignments with evidence of recording thereon that are required to be included
in the Mortgage Files. Seller shall reasonably cooperate with the Trustee or the
applicable Special Servicer after the Closing Date, the Seller shall deliver to
the Trustee or the applicable Special Servicer, as applicable, the powers of
attorney described in the prior sentence in form and substance reasonably
acceptable to the requesting party.

              (e) The Seller shall have paid or caused to be paid upfront all
the annual fees of each Rating Agency allocable to the Mortgage Loans.

              Section 5. Seller's Conditions to Closing. The obligations of
Seller under this Agreement shall be subject to the satisfaction, on the Closing
Date, of the following conditions:

              (a) Each of the obligations of Depositor required to be performed
by it on or prior to the Closing Date pursuant to the terms of this Agreement,
including, without limitation, payment of the Mortgage Loan Purchase Price,
shall have been duly performed and complied with in all material respects; and
all of the representations and warranties of Depositor under this Agreement
shall be true and correct in all material respects as of the Closing Date; and
no event shall have occurred with respect to Depositor which, with notice or the
passage of time, would constitute a material default under this Agreement, and
Seller shall have received certificates to that effect signed by authorized
officers of Depositor.

              (b) Seller shall have received all of the following closing
documents, in such forms as are agreed upon and reasonably acceptable to Seller
and Depositor, duly executed by all signatories other than Seller, as required
pursuant to the respective terms thereof:

                  (i) an officer's certificate of Depositor, dated as of the
       Closing Date, with the resolutions of Depositor authorizing the
       transactions set forth therein, together with copies of the charter,
       by-laws and certificate of good standing dated as of a recent date of
       Depositor; and

                  (ii) such other certificates of its officers or others, such
       opinions of Depositor's counsel and such other documents required to
       evidence fulfillment of the conditions set forth in this Agreement as
       Seller or its counsel may reasonably request.

              (c) Depositor shall have performed or complied with all other
terms and conditions of this Agreement which it is required to perform or comply
with at or before the Closing and shall have the ability to perform or comply
with all duties, obligations, provisions and terms which it is required to
perform or comply with after Closing.

              Section 6. Representations and Warranties of Seller.

              (a) Seller represents and warrants to Depositor as of the date
hereof, as follows:

                  (i) Seller is duly organized and is validly existing as a
       corporation in good standing under the laws of the State of Delaware.
       Seller has conducted and is conducting its business so as to comply in
       all material respects with all applicable statutes and regulations of
       regulatory bodies or agencies having jurisdiction over it, except where
       the failure so to comply would not have a materially adverse effect on
       the performance by Seller of this Agreement, and there is no charge,
       action, suit or proceeding before or by any court, regulatory authority
       or governmental agency or body pending or, to the knowledge of Seller,
       threatened, which is reasonably likely to materially and adversely affect
       the performance by Seller of this Agreement or the consummation of
       transactions contemplated by this Agreement.

                  (ii) Seller has the full power, authority and legal right to
       hold, transfer and convey the Mortgage Loans and to execute and deliver
       this Agreement (and all agreements and documents executed and delivered
       by Seller in connection herewith) and to perform all transactions of
       Seller contemplated by this Agreement (and all agreements and documents
       executed and delivered by Seller in connection herewith). Seller has duly
       authorized the execution, delivery and performance of this Agreement (and
       all agreements and documents executed and delivered by Seller in
       connection herewith), and has duly executed and delivered this Agreement
       (and all agreements and documents executed and delivered by Seller in
       connection herewith). This Agreement (and each agreement and document
       executed and delivered by Seller in connection herewith), assuming due
       authorization, execution and delivery thereof by each other party
       thereto, constitutes the legal, valid and binding obligation of Seller
       enforceable in accordance with its terms, except as such enforcement may
       be limited by bankruptcy, fraudulent transfer, insolvency,
       reorganization, receivership, moratorium or other laws relating to or
       affecting the rights of creditors generally, by general principles of
       equity (regardless of whether such enforcement is considered in a
       proceeding in equity or at law) and by considerations of public policy.

                  (iii) Neither the execution, delivery and performance of this
       Agreement, nor the fulfillment of or compliance with the terms and
       conditions of this Agreement by Seller, will (A) conflict with or result
       in a breach of any of the terms, conditions or provisions of Seller's
       articles or certificate of incorporation and bylaws or similar type
       organizational documents, as applicable; (B) conflict with, result in a
       breach of, or constitute a default or result in an acceleration under,
       any agreement or instrument to which Seller is now a party or by which it
       (or any of its properties) is bound if compliance therewith is necessary
       (1) to ensure the enforceability of this Agreement or (2) for Seller to
       perform its duties and obligations under this Agreement (or any agreement
       or document executed and delivered by Seller in connection herewith); (C)
       conflict with or result in a breach of any legal restriction if
       compliance therewith is necessary (1) to ensure the enforceability of
       this Agreement or (2) for Seller to perform its duties and obligations
       under this Agreement (or any agreement or document executed and delivered
       by Seller in connection herewith); (D) result in the violation of any
       law, rule, regulation, order, judgment or decree to which Seller or its
       property is subject if compliance therewith is necessary (1) to ensure
       the enforceability of this Agreement or (2) for Seller to perform its
       duties and obligations under this Agreement (or any agreement or document
       executed and delivered by Seller in connection herewith); or (E) result
       in the creation or imposition of any lien, charge or encumbrance that
       would have a material adverse effect upon Seller's ability to perform its
       duties and obligations under this Agreement (or any agreement or document
       executed and delivered by Seller in connection herewith), or materially
       impair the ability of Depositor to realize on the Mortgage Loans owned by
       Seller.

                  (iv) Seller is solvent and the sale of the Mortgage Loans (1)
       will not cause Seller to become insolvent and (2) is not intended by
       Seller to hinder, delay or defraud any of its present or future
       creditors. After giving effect to its transfer of the Mortgage Loans, as
       provided herein, the value of Seller's assets, either taken at their
       present fair saleable value or at fair valuation, will exceed the amount
       of Seller's debts and obligations, including contingent and unliquidated
       debts and obligations of Seller, and Seller will not be left with
       unreasonably small assets or capital with which to engage in and conduct
       its business. Seller does not intend to, and does not believe that it
       will, incur debts or obligations beyond its ability to pay such debts and
       obligations as they mature. No proceedings looking toward liquidation,
       dissolution or bankruptcy of Seller are pending or contemplated.

                  (v) No consent, approval, authorization or order of, or
       registration or filing with, or notice to, any court or governmental
       agency or body having jurisdiction or regulatory authority over Seller is
       required for (A) Seller's execution, delivery and performance of this
       Agreement (or any agreement or document executed and delivered by Seller
       in connection herewith), (B) Seller's transfer and assignment of the
       Mortgage Loans, or (C) the consummation by Seller of the transactions
       contemplated by this Agreement (or any agreement or document executed and
       delivered by Seller in connection herewith) or, to the extent so
       required, such consent, approval, authorization, order, registration,
       filing or notice has been obtained, made or given (as applicable), except
       for the filing or recording of assignments and other Mortgage Loan
       Documents contemplated by the terms of this Agreement and except that
       Seller may not be duly qualified to transact business as a foreign
       corporation or licensed in one or more states if such qualification or
       licensing is not necessary to ensure the enforceability of this Agreement
       (or any agreement or document executed and delivered by Seller in
       connection herewith).

                  (vi) In connection with its sale of the Mortgage Loans, Seller
       is receiving new value. The consideration received by Seller upon the
       sale of the Mortgage Loans owned by it constitutes at least fair
       consideration and reasonably equivalent value for the Mortgage Loans.

                  (vii) Seller does not believe, nor does it have any reason or
       cause to believe, that it cannot perform each and every covenant of
       Seller contained in this Agreement (or any agreement or document executed
       and delivered by Seller in connection herewith).

                  (viii) There are no actions, suits or proceedings pending or,
       to Seller's knowledge, threatened in writing against Seller which are
       reasonably likely to draw into question the validity of this Agreement
       (or any agreement or document executed and delivered by Seller in
       connection herewith) or which, either in any one instance or in the
       aggregate, are reasonably likely to materially impair the ability of
       Seller to perform its duties and obligations under this Agreement (or any
       agreement or document executed and delivered by Seller in connection
       herewith).

                  (ix) Seller's performance of its duties and obligations under
       this Agreement (and each agreement or document executed and delivered by
       Seller in connection herewith) is in the ordinary course of business of
       Seller and Seller's transfer, assignment and conveyance of the Mortgage
       Loans pursuant to this Agreement are not subject to the bulk transfer or
       similar statutory provisions in effect in any applicable jurisdiction.
       The Mortgage Loans do not constitute all or substantially all of Seller's
       assets.

                  (x) Seller has not dealt with any Person that may be entitled,
       by reason of any act or omission of Seller, to any commission or
       compensation in connection with the sale of the Mortgage Loans to
       Depositor hereunder except for (A) the reimbursement of expenses as
       described herein or otherwise in connection with the transactions
       described in Section 2 hereof and (B) the commissions or compensation
       owed to the Underwriters or the Initial Purchaser.

                  (xi) Seller is not in default or breach of any agreement or
       instrument to which Seller is now a party or by which it (or any of its
       properties) is bound which breach or default would materially and
       adversely affect the ability of Seller to perform its obligations under
       this Agreement.

                  (xii) The representations and warranties contained in Exhibit
       A hereto, subject to the exceptions to such representations and
       warranties set forth on Schedule V hereto, are true and correct in all
       material respects as of the date hereof with respect to the Mortgage
       Loans identified on Schedule II.

                  (xiii) The information set forth in any Disclosure Information
       (as defined in the Column Financial, Inc. Indemnification Agreement), as
       last forwarded to each prospective investor at or prior to the date on
       which a contract for sale was entered into with such prospective
       investor, (i) does not contain any untrue statement of a material fact or
       omit to state any material fact necessary to make the statements therein,
       in light of the circumstances under which they were made, not misleading
       and (ii) complies with the requirements of and contains all of the
       applicable information required by Regulation AB (as defined in the
       Column Financial, Inc. Indemnification Agreement); but only to the extent
       that (i) such information regards the Mortgage Loans and is contained in
       the Loan Detail (as defined in the Column Financial, Inc. Indemnification
       Agreement) or, to the extent consistent therewith, the Diskette (as
       defined in the Column Financial, Inc. Indemnification Agreement) or (ii)
       such information regarding the Seller or the Mortgage Loans was contained
       in the Confidential Offering Circular or the Prospectus Supplement under
       the headings "Summary of Prospectus Supplement--Relevant
       Parties/Entities," "--Sponsors and Mortgage Loan Sellers,"
       "--Originators," "--The Underlying Mortgage Loans," "--Source of the
       Underlying Mortgage Loans," "Risk Factors," "Description of the Sponsors
       and Mortgage Loan Sellers" "Description of the Underlying Mortgage Loans"
       and "--Significant Mortgage Loans" and such information does not
       represent an incorrect restatement or an incorrect aggregation of correct
       information regarding the Mortgage Loans contained in the Loan Detail.

              (b) Seller hereby agrees that it shall be deemed to make, as of
the date of substitution, to and for the benefit of the Trustee as the holder of
the Mortgage Loan to be replaced, with respect to any replacement mortgage loan
(a "Replacement Mortgage Loan") that is substituted for a Mortgage Loan affected
by a Material Defect or a Material Breach, pursuant to Section 7 of this
Agreement, each of the representations and warranties set forth in Exhibit A
hereto (references therein to "Closing Date" being deemed to be references to
the "date of substitution" and references therein to "Cut-off Date" being deemed
to be references to the "most recent due date for the subject Replacement
Mortgage Loan on or before the date of substitution"). From and after the date
of substitution, each Replacement Mortgage Loan, if any, shall be deemed to
constitute a "Mortgage Loan" hereunder for all purposes.

              Section 7. Obligations of Seller. Each of the representations and
warranties contained in or required to be made by Seller pursuant to Section 6
of this Agreement shall survive the sale of the Mortgage Loans and shall
continue in full force and effect, notwithstanding any restrictive or qualified
endorsement on the Notes and notwithstanding subsequent termination of this
Agreement or the Pooling and Servicing Agreement. The representations and
warranties contained in or required to be made by Seller pursuant to Section 6
of this Agreement shall not be impaired by any review or examination of the
Mortgage Files or other documents evidencing or relating to the Mortgage Loans
or any failure on the part of Depositor to review or examine such documents and
shall inure to the benefit of the initial transferee of the Mortgage Loans from
Depositor including, without limitation, the Trustee for the benefit of the
Holders of the Certificates, notwithstanding (1) any restrictive or qualified
endorsement on any Note, assignment of Mortgage or reassignment of Assignment of
Leases or (2) any termination of this Agreement prior to the Closing, but shall
not inure to the benefit of any subsequent transferee thereafter.

              If Seller receives notice of a breach of any of the
representations or warranties made by Seller with respect to the Mortgage Loans,
as of the date hereof in Section 6(a)(xii) or as of the Closing Date pursuant to
Section 4(b)(iii) (in either case, subject to the exceptions to such
representations and warranties set forth in the Exception Report) or with
respect to any Replacement Mortgage Loan, as of the date of substitution
pursuant to Section 6(b) (in any such case, a "Breach"), or receives notice that
(a) any document required to be included in the Mortgage File related to any
Mortgage Loan is not in the Trustee's (or its designee's) possession within the
time period required herein or (b) such document has not been properly executed
or is otherwise defective on its face (clause (a) and clause (b) each, a
"Defect" (which term shall include the "Defects" detailed in the immediately
following paragraph) in the related Mortgage File), and if such Breach or
Defect, as the case may be, materially and adversely affects or is deemed hereby
to materially and adversely affect, the value of the related Mortgage Loan or
any successor REO Loan or the interests of any class of Certificateholders (any
Breach or Defect that materially and adversely affects the value of the related
Mortgage Loan or the interests of any class of Certificateholders, a "Material
Breach" or a "Material Defect," respectively), then the Seller shall, upon
written request of Depositor, the Trustee, the applicable Master Servicer or the
applicable Special Servicer, not later than 90 days after the receipt by Seller
of such written request (subject to the second succeeding paragraph, the
"Initial Resolution Period"): (i) cure such Material Breach or Material Defect,
as the case may be, in all material respects; (ii) repurchase the affected
Mortgage Loan at the applicable Purchase Price (as defined in the Pooling and
Servicing Agreement); or (iii) substitute, in accordance with the Pooling and
Servicing Agreement, one or more Qualified Substitute Mortgage Loans (as defined
in the Pooling and Servicing Agreement) for such affected Mortgage Loan
(provided that in no event shall any substitution occur later than the second
anniversary of the Closing Date) and pay the applicable Master Servicer for
deposit into the applicable Collection Account any Substitution Shortfall Amount
(as defined in the Pooling and Servicing Agreement) in connection therewith;
provided, however, that if (i) such Material Breach or Material Defect is
capable of being cured but not within the Initial Resolution Period, (ii) such
Material Breach or Material Defect does not cause the related Mortgage Loan not
to be a "qualified mortgage" (within the meaning of Section 860G(a)(3) of the
Code), (iii) Seller has commenced and is diligently proceeding with the cure of
such Material Breach or Material Defect within the Initial Resolution Period and
(iv) Seller has delivered to the Rating Agencies, the applicable Master
Servicer, the applicable Special Servicer and the Trustee an Officer's
Certificate that describes the reasons that the cure was not effected within the
Initial Resolution Period and the actions that it proposes to take to effect the
cure and that states that it anticipates the cure will be effected within the
additional 90-day period, then Seller shall have an additional 90 days to cure
such Material Defect or Material Breach. If any Breach pertains to a
representation or warranty that the related Mortgage Loan Documents or any
particular Mortgage Loan Document requires the related Borrower to bear the
costs and expenses associated with any particular action or matter under such
Mortgage Loan Document(s), then Seller shall cure such Breach within the Initial
Resolution Period by reimbursing the Trust Fund (by wire transfer of immediately
available funds) the reasonable amount of any such costs and expenses incurred
by the applicable Master Servicer, the applicable Special Servicer, the Trustee
or the Trust Fund that are the basis of such Breach and have not been reimbursed
by the related Borrower; provided, however, that in the event any such costs and
expenses exceed $10,000, Seller shall have the option to either repurchase the
related Mortgage Loan at the applicable Purchase Price, replace such Mortgage
Loan and pay any applicable Substitution Shortfall Amount or pay such costs and
expenses. Except as provided in the proviso to the immediately preceding
sentence, Seller shall remit the amount of such costs and expenses and upon its
making such remittance, Seller shall be deemed to have cured such Breach in all
respects. Provided such payment is made, the second preceding sentence describes
the sole remedy available to the Certificateholders and the Trustee on their
behalf regarding any such Breach, and Seller shall not be obligated to
repurchase, substitute or otherwise cure such Breach under any circumstances.
With respect to any repurchase of a Mortgage Loan hereunder or any substitution
of one or more Qualified Substitute Mortgage Loans for a Mortgage Loan
hereunder, (A) no such substitution may be made in any calendar month after the
Determination Date for such month; (B) scheduled payments of principal and
interest due with respect to the Qualified Substitute Mortgage Loan(s) after the
month of substitution, and scheduled payments of principal and interest due with
respect to each Mortgage Loan being repurchased or replaced after the related
Cut-off Date and received by the applicable Master Servicer or the applicable
Special Servicer on behalf of the Trust on or prior to the related date of
repurchase or substitution, shall be part of the Trust Fund; and (C) scheduled
payments of principal and interest due with respect to each such Qualified
Substitute Mortgage Loan on or prior to the Due Date in the month of
substitution, and scheduled payments of principal and interest due with respect
to each Mortgage Loan being repurchased or replaced and received by the
applicable Master Servicer or the applicable Special Servicer on behalf of the
Trust after the related date of repurchase or substitution, shall not be part of
the Trust Fund, and Seller (or, if applicable, any person effecting the related
repurchase or substitution in the place of Seller) shall be entitled to receive
such payments promptly following receipt by the applicable Master Servicer or
the applicable Special Servicer, as applicable, under the Pooling and Servicing
Agreement.

              Any of the following will cause a document in the Mortgage File to
be deemed to have a "Material Defect": (a) the absence from the Mortgage File of
the original signed Note, unless the Mortgage File contains a signed lost note
affidavit and indemnity; (b) the absence from the Mortgage File of the original
signed Mortgage, unless there is included in the Mortgage File a certified copy
of the Mortgage as recorded or as sent for recordation, together with a
certificate stating that the original signed Mortgage was sent for recordation,
or a copy of the Mortgage and the related recording information; (c) the absence
from the Mortgage File of the item called for by clause (i) of the definition of
Mortgage File in Section 3; (d) the absence from the Mortgage File of any
intervening assignments required to create an effective assignment to the
Trustee on behalf of the Trust, unless there is included in the Mortgage File a
certified copy of the intervening assignment as recorded or as sent for
recordation, together with a certificate stating that the original intervening
assignment was sent for recordation, or a copy of the intervening assignment and
the related recording information; or (e) the absence from the Mortgage File of
any required original letter of credit (unless such original has been delivered
to the applicable Master Servicer and copy thereof is part of the Mortgage
File), provided that such Defect may be cured by any substitute letter of credit
or cash reserve on behalf of the related Borrower; or (f) the absence from the
Mortgage File of the original or a copy of any required ground lease.
Notwithstanding anything herein to the contrary, the failure to include a
document checklist in a Mortgage File shall in no event constitute a Material
Defect.

              Any Defect or Breach which causes any Mortgage Loan not to be a
"qualified mortgage" (within the meaning of Section 860G(a)(3) of the Code)
shall be deemed a "Material Defect" or "Material Breach," as applicable, and the
Initial Resolution Period for the affected Mortgage Loan shall be 90 days
following the earlier of Seller's receipt of notice pursuant to this Section 7
or its discovery of such Defect or Breach (which period shall not be subject to
extension).

              If Seller does not, as required by this Section 7, correct or cure
a Material Breach or a Material Defect in all material respects within the
applicable Initial Resolution Period (as extended pursuant to this Section 7),
or if such Material Breach or Material Defect is not capable of being so
corrected or cured within such period, then Seller shall repurchase or
substitute for the affected Mortgage Loan as provided in this Section 7. If (i)
any Mortgage Loan is required to be repurchased or substituted for as provided
above, (ii) such Mortgage Loan is a Crossed Mortgage Loan that is a part of a
Mortgage Group (as defined below) and (iii) the applicable Breach or Defect does
not constitute a Breach or Defect, as the case may be, as to any other Crossed
Mortgage Loan in such Mortgage Group (without regard to this paragraph), then
the applicable Breach or Defect, as the case may be, will be deemed to
constitute a Breach or Defect, as the case may be, as to any other Crossed
Mortgage Loan in the Mortgage Group for purposes of the above provisions, and
Seller will be required to repurchase or substitute for such other Crossed
Mortgage Loan(s) in the related Mortgage Group in accordance with the provisions
of this Section 7 unless the Crossed Mortgage Loan Repurchase Criteria would be
satisfied if Seller were to repurchase or substitute for only the affected
Crossed Mortgage Loans as to which a Material Breach or Material Defect had
occurred without regard to this paragraph, and in the case of either such
repurchase or substitution, all of the other requirements set forth in the
Pooling and Servicing Agreement applicable to a repurchase or substitution, as
the case may be, would be so satisfied. In the event that one or more of such
other Crossed Mortgage Loans satisfy the Crossed Mortgage Loan Repurchase
Criteria, Seller may elect either to repurchase or substitute for only the
affected Crossed Mortgage Loan as to which the related Breach or Defect exists
or to repurchase or substitute for all of the Crossed Mortgage Loans in the
related Mortgage Group. Seller shall be responsible for the cost of any
Appraisal required to be obtained by the applicable Master Servicer to determine
if the Crossed Mortgage Loan Repurchase Criteria have been satisfied, so long as
the scope and cost of such Appraisal has been approved by Seller (such approval
not to be unreasonably withheld). For purposes of this paragraph, a "Mortgage
Group" is any group of Mortgage Loans identified as a Mortgage Group on Schedule
III to this Agreement.

              Notwithstanding the foregoing, if there is a Material Breach or
Material Defect with respect to one or more Mortgaged Properties (but not all of
the Mortgaged Properties) with respect to a Mortgage Loan, Seller will not be
obligated to repurchase or substitute for the entire Mortgage Loan if the
affected Mortgaged Property may, pursuant to the partial release provisions in
the related Mortgage Loan Documents, be released and the Mortgaged Property
remaining after such release satisfies the requirements, if any, set forth in
the Mortgage Loan Documents and (i) Seller provides an opinion of counsel to the
effect that such partial release would not cause an Adverse REMIC Event (as
defined in the Pooling and Servicing Agreement) to occur, (ii) Seller pays (or
causes to be paid) the applicable release price required under the Mortgage Loan
Documents and, to the extent not reimbursable out of the release price pursuant
to the related Mortgage Loan Documents, any additional amounts necessary to
cover all reasonable out-of-pocket expenses reasonably incurred by the
applicable Master Servicer, the applicable Special Servicer, the Trustee or the
Trust Fund in connection therewith, including any unreimbursed advances and
interest thereon made with respect to the Mortgaged Property that is being
released and (iii) such cure by release of such Mortgaged Property is effected
within the time periods specified for cure of a Material Breach or Material
Defect in this Section 7.

              The Purchase Price or Substitution Shortfall Amount for any
repurchased or substituted Mortgage Loan shall be payable to Depositor or,
subsequent to the assignment of the Mortgage Loans to the Trustee, the Trustee
as its assignee, by wire transfer of immediately available funds to the account
designated by Depositor or the Trustee, as the case may be, and Depositor or the
Trustee, as the case may be, upon receipt of such funds (and, in the case of a
substitution, the Mortgage File(s) for the related Qualified Substitute Mortgage
Loans(s)), shall promptly release the related Mortgage File and Servicer File
(and all other documents pertaining to such Mortgage Loan possessed by the
Depositor or the Trustee, as applicable, or on its behalf, but excluding any
draft documents, attorney/client privileged communications and documents
prepared by the Depositor or the Trustee (or by the Master Servicer or the
Special Servicer on behalf of the Trust), as applicable, or any of its
Affiliates solely for internal communication) or cause them to be released, to
Seller and shall execute and deliver such instruments of transfer, endorsement
or assignment as shall be necessary to vest in Seller the legal and beneficial
ownership of such Mortgage Loan (including any property acquired in respect
thereof or proceeds of any insurance policy with respect thereto) and the
related Mortgage Loan Documents and shall deliver to Seller any escrow payments
and reserve funds held by it, or on its behalf, with respect to such repurchased
or replaced Mortgage Loan.

              It is understood and agreed that the obligations of Seller set
forth in this Section 7 constitute the sole remedies available to Depositor and
its successors and assigns against Seller respecting any Breach or Defect
affecting a Mortgage Loan.

              Section 8. Crossed Mortgage Loans. With respect to any Crossed
Mortgage Loan conveyed hereunder, to the extent that Seller repurchases or
substitutes for an affected Crossed Mortgage Loan in the manner prescribed above
while the Trustee continues to hold any related Crossed Mortgage Loans, Seller
and Depositor (on behalf of its successors and assigns) agree to modify upon
such repurchase or substitution, the related Mortgage Loan Documents in a manner
such that such affected Crossed Mortgage Loan repurchased or substituted by
Seller, on the one hand, and any related Crossed Mortgage Loans still held by
the Trustee, on the other, would no longer be cross-defaulted or
cross-collateralized with one another; provided that Seller shall have furnished
the Trustee, at Seller's expense, with an Opinion of Counsel that such
modification shall not cause an Adverse REMIC Event; and provided, further, that
if such Opinion of Counsel cannot be furnished, Seller and Depositor hereby
agree that such repurchase or substitution of only the affected Crossed Mortgage
Loans, notwithstanding anything to the contrary herein, shall not be permitted.
Any reserve or other cash collateral or letters of credit securing the subject
Crossed Mortgage Loans shall be allocated between such Mortgage Loans in
accordance with the Mortgage Loan Documents. All other terms of the Mortgage
Loans shall remain in full force and effect, without any modification thereof.

              Section 9. Rating Agency Fees; Costs and Expenses Associated with
a Defeasance. The Seller shall pay all Rating Agency fees associated with an
assumption of a Mortgage Loan to the extent such fees have not been paid by the
related Borrower and such Borrower is not required to pay them under the terms
of the related Mortgage Loan Documents in effect on or before the Closing Date,
the payment of which fees shall constitute the sole remedy of any breach by a
Seller of representation (xxviii)(1) set forth on Exhibit A hereto unless the
Seller elects to repurchase or substitute for such Mortgage Loan in accordance
with the second paragraph of Section 7. The Seller shall pay all reasonable
costs and expenses associated with a defeasance of a Mortgage Loan to the extent
such costs and expenses have not been paid by the related Borrower and such
Borrower is not required to pay them under the terms of the related Mortgage
Loan Documents in effect on or before the Closing Date, the payment of which
fees shall constitute the sole remedy of any breach by a Seller of
representation (liv)(F) set forth on Exhibit A hereto unless the Seller elects
to repurchase or substitute for such Mortgage Loan in accordance with the second
paragraph of Section 7.

              Section 10. Representations and Warranties of Depositor. Depositor
hereby represents and warrants to Seller as of the date hereof, as follows:

              (a) Depositor is duly organized and is validly existing as a
corporation in good standing under the laws of the State of Delaware, with full
corporate power and authority to own its assets and conduct its business as it
is conducted, and is duly qualified as a foreign corporation in good standing in
all jurisdictions in which the ownership or lease of its property or the conduct
of its business requires such qualification (except where the failure to qualify
would not have a materially adverse effect on the consummation of any
transactions contemplated by this Agreement).

              (b) The execution and delivery by Depositor of this Agreement and
the performance of Depositor's obligations hereunder are within the corporate
power of Depositor and have been duly authorized by Depositor and neither the
execution and delivery by Depositor of this Agreement nor the compliance by
Depositor with the provisions hereof, nor the consummation by Depositor of the
transactions contemplated by this Agreement, will (i) conflict with or result in
a breach of, or constitute a default under, the certificate of incorporation or
by-laws of Depositor or, after giving effect to the consents or taking of the
actions contemplated by clause (ii) of this paragraph (b), any of the provisions
of any law, governmental rule, regulation, judgment, decree or order binding on
Depositor or its properties, or any of the provisions of any material indenture
or mortgage or any other material contract or other instrument to which
Depositor is a party or by which it is bound or result in the creation or
imposition of any lien, charge or encumbrance upon any of its properties
pursuant to the terms of any such indenture, mortgage, contract or other
instrument or (ii) require any consent of, notice to, or filing with any person,
entity or governmental body, which has not been obtained or made by Depositor,
except where, in any of the instances contemplated by clause (i) above or this
clause (ii), the failure to do so will not have a material and adverse effect on
the consummation of any transactions contemplated by this Agreement.

              (c) This Agreement has been duly executed and delivered by
Depositor and this Agreement constitutes a legal, valid and binding instrument,
enforceable against Depositor in accordance with its terms, subject, as to the
enforcement of remedies, to applicable bankruptcy, reorganization, insolvency,
moratorium and other laws affecting the rights of creditors generally and to
general principles of equity and the discretion of the court (regardless of
whether enforcement of such remedies is considered in a proceeding in equity or
at law) and, as to rights of indemnification hereunder, subject to limitations
of public policy under applicable securities laws.

              (d) There is no litigation, charge, investigation, action, suit or
proceeding by or before any court, regulatory authority or governmental agency
or body pending or, to the knowledge of Depositor, threatened against Depositor
the outcome of which could be reasonably expected to materially and adversely
affect the consummation of any transactions contemplated by this Agreement.

              Section 11. Survival of Certain Representations, Warranties and
Covenants. The respective representations and warranties set forth in or made
pursuant to this Agreement, and the respective obligations of the parties hereto
under Sections 7 and 13 of this Agreement, will remain in full force and effect,
regardless of any investigation or statement as to the result thereof made by or
on behalf of any party and will survive payment for the various transfers
referred to herein and delivery of the Certificates or termination of this
Agreement.

              Section 12. Transaction Expenses. In connection with the Closing
(and unless otherwise expressly provided herein, including, without limitation,
in Section 13 of this Agreement), Seller shall be responsible for the fees and
expenses of its own counsel, and Depositor and Seller agree to pay the other
transaction expenses incurred in connection with the transactions herein
contemplated as set forth in the Closing Statement (or, if not covered thereby,
shall be paid by the party incurring the subject expense).

              Section 13. Recording Costs and Expenses. Seller agrees to
reimburse the Trustee or its designee all recording and filing fees and expenses
incurred by the Trustee or its designee in connection with the recording or
filing of the Mortgage Loan Documents listed in Section 3 of this Agreement,
including Assignments. In the event Seller elects to engage a third-party
contractor to prepare, complete, file and record Assignments with respect to
Mortgage Loans as provided in Section 3 of this Agreement, Seller shall contract
directly with such contractor and shall be responsible for such contractor's
compensation and reimbursement of recording and filing fees and other
reimbursable expenses pursuant to their agreement.

              Section 14. Notices. All demands, notices and communications
hereunder shall be in writing and effective only upon receipt, and, (a) if sent
to Depositor, will be mailed, delivered or telecopied and confirmed to it at
Credit Suisse First Boston Mortgage Securities Corp., 11 Madison Avenue, 5th
Floor, New York, New York 10010, Attention: Edmund Taylor, Telecopy No.: (212)
743-4756 (with a copy to Casey McCutcheon, Esq., Legal & Compliance Department,
Telecopy No.: (917) 326-8433), or such other address or telecopy number as may
be designated by Depositor to Seller in writing, or (b) if sent to Seller, will
be mailed, delivered or telecopied and confirmed to it at 3414 Peachtree Road,
N.E., Suite 1140, Atlanta, Georgia 30326, Attention: Robert Barnes, Telecopy
No.: (404) 239-0419, or such other address or telecopy number as may be
designated by Seller to Depositor in writing.

              Section 15. Notice of Exchange Act Reportable Events. The Seller
hereby agrees to deliver to the Depositor and the Trustee any disclosure
information relating to any event reasonably determined in good faith by the
Depositor as required to be reported on Form 8-K, Form 10-D or Form 10-K by the
Trust Fund (in formatting reasonably appropriate for inclusion in such form),
including, without limitation, the disclosure required under Items 1117 and 1119
of Regulation AB and Item 1.03 to Form 8-K. The Seller shall use its best
efforts to deliver proposed disclosure language relating to any event described
under Items 1117 and 1119 of Regulation AB and Item 1.03 to Form 8-K to the
Trustee and the Depositor within one (1) business day and in any event no later
than two (2) business days of the Seller becoming aware of such event and shall
provide disclosure relating to any other event reasonably determined by the
Depositor as required to be disclosed on Form 8-K, Form 10-D or Form 10-K within
two (2) business days following the Depositor's request for such disclosure
language. The obligation of the Seller to provide the above referenced
disclosure materials will terminate upon notice from the Depositor or the
Trustee that the Trustee has filed a Form 15 with respect to the Trust Fund as
to that fiscal year in accordance with Section 11.10(a) of the Pooling and
Servicing Agreement. The Seller hereby acknowledges that the information to be
provided by it pursuant to this Section will be used in the preparation of
reports meeting the reporting requirements of the Trust under Section 13(a)
and/or Section 15(d) of the Securities Exchange Act of 1934, as amended.

              Section 16. Examination of Mortgage Files. Upon reasonable notice,
Seller, prior to the Closing Date, will make the Mortgage Files available to
Depositor or its agent for examination during normal business hours at Seller's
offices or such other location as shall otherwise be agreed upon by Depositor
and Seller. The fact that Depositor or its agent has conducted or has failed to
conduct any partial or complete examination of the Mortgage Files shall not
affect the rights of Depositor or the Trustee (for the benefit of the
Certificateholders) to demand cure, repurchase, or other relief as provided
herein.

              Section 17. Successors. This Agreement shall inure to the benefit
of and shall be binding upon Seller and Depositor and their respective
successors and, permitted assigns and nothing expressed in this Agreement is
intended or shall be construed to give any other Person any legal or equitable
right, remedy or claim under or in respect of this Agreement, or any provisions
herein contained, this Agreement and all conditions and provisions hereof being
intended to be and being for the sole and exclusive benefit of such designated
Persons and for the benefit of no other Person; it being understood that the
rights of Depositor pursuant to this Agreement, subject to all limitations
herein contained, including those set forth in Section 7 of this Agreement, may
be assigned to the Trustee, for benefit of the Certificateholders, as may be
required to effect the purposes of the Pooling and Servicing Agreement and, upon
such assignment, the Trustee shall succeed to such rights of Depositor
hereunder; provided that the Trustee shall have no right to further assign such
rights to any other Person. No owner of a Certificate issued pursuant to the
Pooling and Servicing Agreement shall be deemed a successor or permitted assign
because of such ownership.

              Section 18. Governing Law. THIS AGREEMENT SHALL BE GOVERNED AND
CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK APPLICABLE TO
AGREEMENTS TO BE MADE AND PERFORMED ENTIRELY WITHIN SUCH STATE WITHOUT GIVING
EFFECT TO CHOICE OF LAW PRINCIPLES.

              Section 19. Severability. If any provision of this Agreement shall
be prohibited or invalid under applicable law, this Agreement shall be
ineffective only to such extent, without invalidating the remainder of this
Agreement.

              Section 20. Further Assurances. Depositor and Seller agree to
execute and deliver such instruments and take such actions as the other party
may, from time to time, reasonably request in order to effectuate the purpose
and to carry out the terms of this Agreement.

              Section 21. Counterparts. This Agreement may be executed in
counterparts (and by each of the parties hereto on different counterparts), each
of which when so executed and delivered will be an original, and all of which
together will be deemed to constitute but one and the same instrument.

              Section 22. Treatment as Security Agreement. It is the express
intent of the parties hereto that the conveyance of the Mortgage Loans by Seller
to Depositor as provided in this Agreement be, and be construed as, a sale of
the Mortgage Loans by Seller to Depositor. It is, further, not the intention of
the parties that such conveyance be deemed a pledge of the Mortgage Loans by
Seller to Depositor to secure a debt or other obligation of Seller. However, in
the event that, notwithstanding the intent of the parties, the Mortgage Loans
are held to be property of Seller or if for any reason this Agreement is held or
deemed to create a security interest in the Mortgage Loans:

              (a) this Agreement shall hereby create a security agreement within
the meaning of Articles 8 and 9 of the Uniform Commercial Code in effect in the
applicable state;

              (b) the conveyance provided for in this Agreement shall hereby
grant from Seller to Depositor a security interest in and to all of Seller's
right, title, and interest, whether now owned or hereafter acquired, in and to:

                  (i) all accounts, contract rights (including any guarantees),
       general intangibles, chattel paper, instruments, documents, money,
       deposit accounts, certificates of deposit, goods, letters of credit,
       advices of credit and investment property consisting of, arising from or
       relating to any of the property described in the Mortgage Loans,
       including the related Notes, Mortgages and title, hazard and other
       insurance policies, identified on the Mortgage Loan Schedule or that
       constitute Replacement Mortgage Loans, and all distributions with respect
       thereto payable after the Cut-off Date;

                  (ii) all accounts, contract rights, general intangibles,
       chattel paper, instruments, documents, money, deposit accounts,
       certificates of deposit, goods, letters of credit, advices of credit and
       investment property arising from or by virtue of the disposition of, or
       collections with respect to, or insurance proceeds payable with respect
       to, or claims against other persons with respect to, all or any part of
       the collateral described in clause (i) above (including any accrued
       discount realized on liquidation of any investment purchased at a
       discount), in each case, payable after the Cut-off Date; and

                  (iii) all cash and non-cash proceeds of the collateral
       described in clauses (i) and (ii) above payable after the Cut-off Date;

              (c) the possession by Depositor or its assignee of the Notes and
such other goods, letters of credit, advices of credit, instruments, money,
documents, chattel paper or certificated securities shall be deemed to be
possession by the secured party or possession by a purchaser or a person
designated by him or her, for purposes of perfecting the security interest
pursuant to the Uniform Commercial Code (including, without limitation, Sections
9-306, 9-313 and 9-314 thereof) as in force in the relevant jurisdiction;

              (d) notifications to persons holding such property, and
acknowledgments, receipts, confirmations from persons holding such property,
shall be deemed to be notifications to, or acknowledgments, receipts or
confirmations from, securities intermediaries, bailees or agents of, or persons
holding for (as applicable), Depositor or its assignee for the purpose of
perfecting such security interest under applicable law; and

              (e) Seller at the direction of Depositor or its assignee, shall,
to the extent consistent with this Agreement, take such actions as may be
necessary to ensure that, if this Agreement were deemed to create a security
interest in the Mortgage Loans and the proceeds thereof, such security interest
would be a perfected security interest of first priority under applicable law
and will be maintained as such throughout the term of this Agreement. In
connection herewith, Depositor and its assignee shall have all of the rights and
remedies of a secured party and creditor under the Uniform Commercial Code as in
force in the relevant jurisdiction and may prepare and file such UCC Financing
Statements as may be necessary or appropriate to accomplish the foregoing.

                                         * * *

<PAGE>

              IN WITNESS WHEREOF, the parties hereto have caused this Mortgage
Loan Purchase Agreement to be duly executed and delivered as the date first
above written.

                                            COLUMN FINANCIAL, INC.,
                                            as Seller

                                            By: ________________________________
                                                Name:
                                                Title:

                                            CREDIT SUISSE FIRST BOSTON MORTGAGE
                                            SECURITIES CORP.,
                                            as Depositor

                                            By: ________________________________
                                                Name:
                                                Title:

<PAGE>
                                                                      SCHEDULE I

                          SCHEDULE OF TRANSACTION TERMS

              This Schedule of Transaction Terms is appended to and incorporated
by reference in the Mortgage Loan Purchase Agreement (the "Agreement"), dated as
of September 1, 2006, between Column Financial, Inc. (the "Seller") and Credit
Suisse First Boston Mortgage Securities Corp (the "Depositor"). Capitalized
terms used herein without definition have the meanings given them in or by
reference in the Agreement or, if not defined in the Agreement, in the Pooling
and Servicing Agreement.

              "Affiliate" means with respect to any specified Person, any other
Person controlling or controlled by or under common control with such specified
Person.

              "Assignments" shall have the meaning given such term in Section 3
of this Agreement.

              "Borrower" means the borrower under a Mortgage Loan.

              "Breach" shall have the meaning given such term in Section 7 of
this Agreement.

              "CBA Mortgage Loan" means any Mortgage Loan that constitutes a
"CBA A Loan" under the Pooling and Servicing Agreement.

              "Certificate Purchase Agreement" means the Certificate Purchase
Agreement, dated September 21, 2006, between Depositor and the Initial
Purchaser.

              "Certificates" means the Credit Suisse First Boston Mortgage
Securities Corp., Commercial Mortgage Pass-Through Certificates, Series 2006-C4,
issued in multiple classes.

              "Closing" shall have the meaning given that term in Section 2 of
this Agreement.

              "Closing Date" means September 28, 2006.

              "Closing Statement" means the closing statement dated as of the
Closing Date and signed by, among others, the parties to this Agreement.

              "Code" means the Internal Revenue Code of 1986, as amended.

              "Column Indemnification Agreement" means the agreement by and
among the Depositor, the Seller and each Underwriter.

              "Crossed Mortgage Loan" means any Mortgage Loan which is
cross-defaulted and cross-collateralized with any other Mortgage Loan.

              "Cut-off Date" means, individually and collectively, the
applicable Due Dates for the respective Mortgage Loans occurring in September
2006 (or with respect to Mortgage Loans which had closing/funding dates in
September 2006, the respective closing/funding dates of such Mortgage Loans).

              "Defect" shall have the meaning given such term in Section 7 of
this Agreement.

              "Environmental Report" means the environmental audit report with
respect to each Mortgaged Property delivered to Seller in connection with the
related Mortgage, if any.

              "Exception Report" means the exceptions with respect to the
representations and warranties made by Seller as to the Mortgage Loans in
Section 6(a)(xii) and under the written certificate described in Section
4(b)(iii) of this Agreement, which exceptions are set forth in Schedule V
attached hereto and made a part hereof.

              "Initial Purchaser" means Credit Suisse Securities (USA) LLC.

              "Initial Resolution Period" shall have the meaning given such term
in Section 7 of this Agreement.

              "Loan Agreement" means, with respect to any Mortgage Loan, the
loan agreement, if any, between the related Mortgage Loan Originator and the
related Borrower, pursuant to which such Mortgage Loan was made.

              "Material Breach" shall have the meaning given such term in
Section 7 of this Agreement.

              "Material Defect" shall have the meaning given such term in
Section 7 of this Agreement.

              "Mortgage File" means, collectively, the documents and instruments
pertaining to a Mortgage Loan required to be included in the related Mortgage
File pursuant to Section 3 of this Agreement (subject to the first proviso in
Section 1 of this Agreement).

              "Mortgage Group" shall have the meaning given such term in Section
7 of this Agreement.

              "Mortgage Loan" and "Mortgage Loans" shall have the respective
meanings given such terms in Recital II of this Agreement.

              "Mortgage Loan Documents" means, collectively, the documents and
instruments pertaining to a Mortgage Loan to be included in either the related
Mortgage File or the related Servicer File.

              "Mortgage Loan Originator" means any institution which originated
a Mortgage Loan for a related Borrower.

              "Mortgage Loan Purchase Price" means the amount described in
Section 2 of this Agreement.

              "Mortgage Loan Schedule" shall have the meaning given such term in
Recital II of this Agreement.

              "Offering Circular" means the confidential offering circular dated
September 21, 2006, describing certain classes of the Private Certificates.

              "Pooling and Servicing Agreement" means the Pooling and Servicing
Agreement creating the Trust Fund and the interests therein, dated as of
September 1, 2006, among Depositor, the Master Servicers, the Special Servicers
and the Trustee, including, without limitation, the exhibits and schedules
annexed thereto.

              "Primary Collateral" means with respect to any Crossed Mortgage
Loan, that portion of the Mortgaged Property designated as directly securing
such Crossed Mortgage Loan and excluding any Mortgaged Property as to which the
related lien may only be foreclosed upon by exercise of the
cross-collateralization provisions of such Crossed Mortgage Loan.

              "Private Certificates" means the Certificates that are not
Publicly Offered Certificates.

              "Prospectus" means the Prospectus dated September 8, 2006, that is
a part of Depositor's registration statement on Form S-3 (File No. 333-129918).

              "Prospectus Supplement" means the Prospectus Supplement, dated
September 21, 2006, relating to the Publicly Offered Certificates.

              "Publicly Offered Certificates" means the Class A-1, Class A-2,
Class A-AB, Class A-3, Class A-1-A, Class A-M and Class A-J Certificates.

              "Servicer File" means, collectively, all documents, records and
copies pertaining to a Mortgage Loan which are required to be included in the
related Servicer File pursuant to Section 3.

              "Trust Fund" shall have the meaning given such term in Recital II
of this Agreement.

              "Trustee" shall have the meaning given such term in Section 1 of
this Agreement.

              "Underwriters" means Credit Suisse Securities (USA) LLC, LaSalle
Financial Services, Inc., KeyBanc Capital Markets, Barclays Capital Inc.,
Wachovia Capital Markets, LLC and Greenwich Capital Markets, Inc.

              "Underwriting Agreement" means the Underwriting Agreement, dated
September 21, 2006, between Depositor and the Underwriters.

<PAGE>

                                                                     SCHEDULE II

                             MORTGAGE LOAN SCHEDULE

                                  See Attached.

<PAGE>

                                                                    SCHEDULE III

                   MORTGAGE LOANS CONSTITUTING MORTGAGE GROUPS

Group1     Loan Name                            Cutoff Balance     Loan Seller
------     --------------------------------     --------------     -----------
1.         The Cottages of Fall Creek           $28,150,000          Column
2.         The Orchard Apartments               $11,300,000          Column
3.         Briarwood Apartments                  $7,050,000          Column

<PAGE>

                                                                     SCHEDULE IV

                         MORTGAGE LOANS WITH LOST NOTES

                             Sylmar Mobile Home Park

<PAGE>

                                                                      SCHEDULE V

                             EXCEPTIONS TO SELLER'S
                         REPRESENTATIONS AND WARRANTIES

              Reference is made to the Representations and Warranties set forth
in Exhibit A attached hereto corresponding to the paragraph numbers set forth
below:

              Exception to representation (i)

                     Ritz-Carlton South Beach - Column Financial, Inc. and
Barclays Capital Real Estate Inc. were co-owners of the related Mortgage Loan
immediately prior to the sale, transfer and assignment to Depositor.

              Exception to representation (iv)

                     Ritz-Carlton South Beach - Pursuant to the loan agreement,
transfers are subject to the right retained by Column Financial, Inc. and
Barclays Capital Real Estate Inc. to appoint a successor borrower in the event
the borrower elects to defease the loan.

              Exception to representation (vii)

                     Ritz Carlton South Beach - Pursuant to the related loan
documents, all revenues from The Ritz-Carlton South Beach Property are collected
and then allocated by The Ritz-Carlton South Beach Property Manager on a monthly
basis as follows: (a) payment of ground rent, (b) payment of insurance premiums,
(c) payment of hotel operating expenses, base management fee, and funds
sufficient to maintain the requisite working capital, (d) payment of the FF&E,
(e) payment of debt service and taxes, (f) subject to the owner's priority,
payment of any incentive fees to The Ritz-Carlton South Beach Property Manager
and (g) payment of all excess amounts to the cash management account controlled
by the lender. After payment of all sums required to be paid under The
Ritz-Carlton South Beach Loan, all excess amounts, if any, are required to be
distributed to the borrower provided that no cash trap period is then in effect.

              Exception to representation (xxii)

                     Ritz-Carlton South Beach - There is a borrower controlled
escrow to be used for litigation related legal expenses and renovation of income
producing areas of the property. Certain escrows are held by the property
manager pursuant to the applicable loan documents and the property management
agreement.

              Exception to representation (xxiii)

                     Ocean Drive Apartments - The related lender has approved
80% co-insurance for windstorm coverage through the Texas Windstorm Insurance
Association.

                     Ritz Carlton South Beach - The applicable loan documents
provide that so long as the current manager or an applicable Marriott entity is
managing the property, the borrower may satisfy its insurance requirement under
the loan documents by causing the property manager to maintain a qualified
insurance program, which means a blanket insurance program maintained by
Marriott or its subsidiaries providing insurance coverage on the property
required in the management agreement in effect as of the date of the closing of
the loan.

                     The insurer providing the qualified insurance program is
required to have an "A" rating or better from S&P; provided, however, that if
the insurer fails to have at least an "A" rating, then such program shall be
credit enhanced within such blanket insurance program.

                     The amount of "all-risk" insurance is not linked to the
principal amount of the loan; rather, (a) if the borrower is providing such
insurance, the applicable loan documents link the "all-risk" insurance to the
replacement cost and the co-insurance requirements, or (b) if insurance if being
provided under a qualified insurance program, the management agreement links the
"all-risk" insurance to the replacement cost.

              Exception to representation (xxviii)

                     500 Sansome Office - Certain transfers of ownership
interests in the related borrower are permitted under the loan documents.

                     Carlton Hotel on Madison - Certain transfers of ownership
interests in the related borrower are permitted under the loan documents.

                     Iowa State Student Housing - The related mezzanine lender
may foreclose on the membership interests of the related borrower subject to
conditions set forth in the loan documents.

              Exception to representation (xxxi)(I)

                     Ritz-Carlton South Beach - The ground lease is silent with
respect to subletting.

              Exception to representation (xxxi)(K)

                     Ritz-Carlton South Beach - The ground lease does not
provide for the related termination and modification option prohibitions in the
last sentence.

              Exception to representation (xxxviii)

                     Ritz-Carlton South Beach - The applicable loan documents
provide that the borrower has not and shall not incur any debt or financial
obligations except (a) such other liabilities that are disclosed in or are
permitted pursuant to the loan documents including (i) expenses incurred in
connection with the operation of the Property and paid under the Management
Agreement (ii) liabilities which in the aggregate do not exceed $1,000,000 or
(iii) liabilities that would not cause a material diminution in value of the
Property, and (b) loans by the limited partners of the borrower to the borrower
to the extent such loans are unsecured and payable only to extent of available
cash, have no remedies or rights against the borrower when the loan is
outstanding, are subordinate in all respects to the rights of the lender and are
not transferable except to a person that acquires the equity interest of such
limited partner.

              Exception to representation (xxxix)

                     Ritz-Carlton South Beach - Many of the licenses, permits,
consents and approvals are held by and are in the name of the related hotel
property manager.

              Exception to representation (xl)

                     The Plaza Evergreen Park - A portion of the related
Mortgaged Property is not currently taxed as a separate tax parcel. However, the
related borrower has filed an appropriate application with the applicable
governmental authority (Cook County, Illinois) to establish such portion as a
separate tax parcel. If the application is not approved prior to the due date
for 2006 taxes, the related lender is required to escrow an amount sufficient to
cover the entire tax parcel (of which the subject portion is a part).

               Exception to representation (xli)

                     Ritz-Carlton South Beach - A portion of the property is
located in flood zone AE, and the related insurance coverage is subject to the
exception above with regard to representation (xxiii).

              Exception to representation (xliii)

                     City Club Hotel - There is pending litigation against
Shelby Realty LLC, Forthright Development Company LLC and Metropolitan Hotels
LLC. The related borrower has entered into an indemnification agreement with
Shelby Realty LLC and a $1,700,000 reserve was held back at closing to cover
litigation expenses.

               Exception to representation (xlviii)

                     Babcock & Brown FX3 - If the amount of insurance proceeds
is less than $250,000 and the costs of restoration are less than $250,000, the
insurance proceeds are required under the loan documents to be disbursed to the
related borrower to be used for restoration.

                     Babcock & Brown FX5 - If the amount of insurance proceeds
is less than $250,000 and the costs of restoration are less than $250,000, the
insurance proceeds are required under the loan documents to be disbursed to the
related borrower to be used for restoration.

              Exception to representation (liv)

                     Ritz-Carlton South Beach - With respect to clause (A), the
borrower is liable for the misappropriation or conversion by the borrower of (a)
any insurance proceeds paid by reason of any casualty, (b) any awards received
in connection with a condemnation, (c) any rents following an event of default,
(d) any rents (other than advanced bookings received by the property manager
pursuant to the management agreement paid more than one month in advance) or (e)
funds in the segregated account defined in the loan documents. The borrower
shall not be liable for any event or action that is caused or taken by the
property manager provided that the borrower exercises its remedies under the
management agreement.

<PAGE>

                                                                       EXHIBIT A

                    REPRESENTATIONS AND WARRANTIES OF SELLER
                          REGARDING THE MORTGAGE LOANS

              For purposes of these representations and warranties, the phrase
"to the knowledge of Seller" or "to Seller's knowledge" shall mean, except where
otherwise expressly set forth below, the actual state of knowledge of Seller or
any servicer acting on its behalf regarding the matters referred to, in each
case without having conducted any independent inquiry or due diligence with
respect to such matters and without any actual or implied obligation to make
such inquiry or perform such due diligence, other than making such inquiry or
performing such due diligence as would be customarily performed by prudent
commercial or multifamily mortgage lenders or servicers (as the case may be)
with respect to similar mortgage loans or mortgaged properties. All information
contained in documents which are part of or required to be part of a Mortgage
File shall be deemed to be within the knowledge of Seller. Wherever there is a
reference to receipt by, or possession of, Seller of any information or
documents, or to any action taken by Seller or not taken by Seller, such
reference shall include the receipt or possession of such information or
documents by, or the taking of such action or the not taking of such action by,
either Seller or any servicer acting on its behalf.

              Seller hereby represents and warrants, subject to the exceptions
set forth in the Exception Report annexed to this Agreement as Schedule V, with
respect to the Mortgage Loans that as of the date hereinbelow specified or, if
no such date is specified, as of the date of this Agreement:

              (i)    Immediately prior to the sale, transfer and assignment to
Depositor, no Note or Mortgage was subject to any assignment (other than
assignments which show a complete chain of assignment to Seller), participation
or pledge, and Seller had good and marketable title to, and was the sole owner
of, the related Mortgage Loan;

              (ii)   Each Mortgage Loan was either:

              (A)    originated by a savings and loan association, savings bank,
                     commercial bank, credit union, or insurance company, which
                     is supervised and examined by a Federal or State authority,
                     or by a mortgagee approved by the Secretary of Housing and
                     Urban Development pursuant to Sections 203 and 211 of the
                     National Housing Act (any of the foregoing, including
                     Seller, a "Qualified Originator"); or

              (B)    if originated by a person which is not a Qualified
                     Originator (any such person, a "Non-Qualified Originator"),
                     then:

                     1.     such Mortgage Loan was underwritten in accordance
                            with standards established by a Qualified
                            Originator, using application forms and related
                            credit documents approved by the Qualified
                            Originator;

                     2.     the Qualified Originator approved each application
                            and related credit documents before a commitment by
                            the Non-Qualified Originator was issued, and no such
                            commitment was issued until the Qualified Originator
                            agreed to fund such Mortgage Loan;

                     3.     the Mortgage Loan was originated by the
                            Non-Qualified Originator pursuant to an ongoing,
                            standing relationship with the Qualified Originator;
                            and

                     4.     the closing documents for the Mortgage Loan were
                            prepared on forms approved by the Qualified
                            Originator, and, pursuant to the Non-Qualified
                            Originator's ongoing, standing relationship with the
                            Qualified Originator, either:

                            (x)    such closing documents reflect the Qualified
                                   Originator as the original mortgagee, and
                                   such Mortgage Loan was actually funded by the
                                   Qualified Originator at the closing thereof;

                            (y)    such closing documents reflect the
                                   Non-Qualified Originator as the original
                                   mortgagee, but include assignment documents
                                   executed by the Non-Qualified Originator in
                                   favor of the Qualified Originator at the time
                                   of the closing of the Mortgage Loan,
                                   reflecting the Qualified Originator as the
                                   successor and assign to the Non-Qualified
                                   Originator, and the Mortgage Loan was funded
                                   initially by the Non-Qualified Originator at
                                   the closing thereof and then acquired by the
                                   Qualified Originator from such Non-Qualified
                                   Originator; or

                            (z)    such closing documents reflect the
                                   Non-Qualified Originator as the original
                                   mortgagee, but include assignment documents
                                   executed by the Non-Qualified Originator in
                                   favor of the Qualified Originator at the time
                                   of the closing of the Mortgage Loan,
                                   reflecting the Qualified Originator as the
                                   successor and assign to the Non-Qualified
                                   Originator, and the Mortgage Loan was funded
                                   initially by the Qualified Originator at the
                                   closing thereof and then acquired by the
                                   Qualified Originator from such Non-Qualified
                                   Originator.

              (iii) Seller has full right and authority to sell, assign and
transfer such Mortgage Loan and the assignment to Depositor constitutes a legal,
valid and binding assignment of such Mortgage Loan;

              (iv) Seller is transferring such Mortgage Loan free and clear of
any and all liens, pledges, charges or any other interests or security interests
of any nature encumbering such Mortgage Loan, except for interests in servicing
rights created or granted under the Pooling and Servicing Agreement,
subservicing agreements and/or servicing rights purchase agreements being
executed and delivered in connection herewith;

              (v) To Seller's knowledge, based on the related borrower's
representations and covenants in the related mortgage loan documents and such
other due diligence as a reasonably prudent commercial mortgage lender would
deem appropriate, the borrower, lessee and/or operator was in possession of all
licenses, permits, and authorizations then required for use of the Mortgaged
Property which were valid and in full force and effect as of the origination
date and, to Seller's actual knowledge, such licenses, permits and
authorizations are still valid and in full force and effect;

              (vi) Each related Note, Mortgage, Assignment of Leases (if any)
and other agreement executed by or for the benefit of the related borrower, any
guarantor or their successors or assigns in connection with such Mortgage Loan
is the legal, valid and binding obligation of the related borrower, enforceable
in accordance with its terms, except as such enforcement may be limited by
bankruptcy, insolvency, reorganization, moratorium or other laws affecting the
enforcement of creditors' rights or by general principles of equity (regardless
of whether such enforceability is considered in a proceeding in equity or at
law); and there is no right of offset, rescission, abatement or diminution or
valid defense or counterclaim available to the related borrower with respect to
such Note, Mortgage, Assignment of Leases and other agreements, except as the
enforcement thereof may be limited by bankruptcy, insolvency, reorganization,
moratorium or other laws affecting the enforcement of creditors' rights or by
general principles of equity (regardless of whether such enforceability is
considered in a proceeding in equity or at law);

              (vii) The Mortgage File contains an Assignment of Leases, either
as a separate instrument or incorporated into the related Mortgage. Each related
Assignment of Leases creates a valid first priority collateral assignment of, or
a valid first priority lien or security interest in, certain rights under the
related lease or leases, subject only to a license granted to the related
borrower to exercise certain rights and to perform certain obligations of the
lessor under such lease or leases, including the right to operate the related
leased property, except as the enforcement thereof may be limited by bankruptcy,
insolvency, reorganization, moratorium or other laws affecting the enforcement
of creditors' rights or by general principles of equity (regardless of whether
such enforceability is considered in a proceeding in equity or at law); no
person other than the related borrower owns any interest in any payments due
under such lease or leases that is superior to or of equal priority with the
lender's interest therein;

              (viii) Each related assignment of Mortgage from Seller to the
Trustee and related assignment of the Assignment of Leases, if the Assignment of
Leases is a separate document from the Mortgage, is in recordable form (but for
the insertion of the name and address of the assignee and any related recording
information, which is not yet available to Seller), and such assignments and any
assignment of any other agreement executed by or for the benefit of the related
borrower, any guarantor or their successors or assigns in connection with such
Mortgage Loan from Seller to the Trustee constitutes the legal, valid and
binding assignment from Seller to the Trustee, except as the enforcement thereof
may be limited by bankruptcy, insolvency, reorganization, liquidation,
receivership, moratorium or other laws relating to or affecting the enforcement
of creditors' rights or by general principles of equity (regardless of whether
such enforceability is considered in a proceeding in equity or at law);

              (ix) Since origination (A) except as set forth in the related
Mortgage File, such Mortgage Loan has not been modified, altered, satisfied,
canceled, subordinated or rescinded in whole or in part and (B) each related
Mortgaged Property has not been released, in whole or in part, from the lien of
the related Mortgage in any manner which materially interferes with the security
intended to be provided by such Mortgage; and since [_____], 2006, no waiver,
consent, modification, assumption, alteration, satisfaction, cancellation,
subordination or rescission which changes the terms of, or the security for, the
Mortgage Loan in any material respect has occurred or been given;

              (x) Each related Mortgage is a valid and enforceable first lien on
the related Mortgaged Property (subject to Permitted Encumbrances (as defined
below)), except as the enforcement thereof may be limited by bankruptcy,
insolvency, reorganization, moratorium or other laws affecting the enforcement
of creditors' rights or by general principles of equity (regardless of whether
such enforceability is considered in a proceeding in equity or at law), and
except that, in the case of the CBA Mortgage Loans the related Mortgage
encumbering the related Mortgaged Property also secures one or more other
mortgage loans; and such Mortgaged Property is free and clear of any mechanics'
and materialmen's liens which are prior to or equal with the lien of the related
Mortgage, except those which are insured against by a lender's title insurance
policy (as described below). A UCC Financing Statement has been filed and/or
recorded (or sent for filing or recording) in all places necessary to perfect a
valid security interest in the personal property necessary to operate the
Mortgaged Property as currently operated; and such security interest is a first
priority security interest, subject to any prior purchase money security
interest in such personal property, any personal property leases applicable to
such personal property and any other security interest in such personal property
which do not, individually or in the aggregate, materially interfere with the
security intended to be provided for such Mortgage Loan. Any security agreement,
chattel mortgage or equivalent document related to and delivered in connection
with the Mortgage Loan establishes and creates a valid and enforceable lien on
the property described therein, except as such enforcement may be limited by
bankruptcy, insolvency, reorganization, moratorium or other laws affecting the
enforcement of creditors' rights or by general principles of equity (regardless
of whether such enforceability is considered in a proceeding in equity or at
law). In the case of any Mortgage Loan secured by a hotel, the related loan
documents contain such provisions as are necessary and UCC Financing Statements
have been filed as necessary, in each case, to perfect a valid first priority
security interest in the related operating revenues with respect to such
Mortgaged Property. Notwithstanding the foregoing, no representation is made as
to the perfection of any security interest in rent, operating revenues or other
personal property to the extent that possession or control of such items or
actions other than the filing of UCC Financing Statements are required in order
to effect such perfection;

              (xi) Seller has not taken any action that would cause the
representations and warranties made by the related borrower in the related
Mortgage Loan Documents not to be true;

              (xii) Seller has no knowledge that the material representations
and warranties made by the related borrower in the related Mortgage Loan
Documents are not true in any material respect;

              (xiii) The lien of each related Mortgage is a first priority lien
on the fee or leasehold interest of the related borrower in the principal amount
of such Mortgage Loan or allocated loan amount of the portions of the Mortgaged
Property covered thereby (as set forth in the related Mortgage) after all
advances of principal and is insured by an ALTA lender's title insurance policy
(except that if such policy is yet to be issued, such insurance may be evidenced
by a "marked up" pro forma policy or title commitment in either case marked as
binding and countersigned by the title company or its authorized agent, either
on its face or by an acknowledged closing instruction or escrow letter), or its
equivalent as adopted in the applicable jurisdiction, insuring the named
mortgagee and its successors and assigns (as sole insured) as to such lien,
subject only to (A) the lien of current real property taxes, water charges,
sewer rents and assessments not yet delinquent or accruing interest or
penalties, (B) covenants, conditions and restrictions, rights of way, easements
and other matters of public record, none of which, individually or in the
aggregate, materially interferes with the current use of the Mortgaged Property
or the security intended to be provided by such Mortgage or with the borrower's
ability to pay its obligations when they become due or the value of the
Mortgaged Property, (C) the exceptions (general and specific) and exclusions set
forth in such policy, none of which, individually or in the aggregate,
materially interferes with the current general use of the Mortgaged Property or
materially interferes with the security intended to be provided by such Mortgage
or with the related borrower's ability to pay its obligations when they become
due or the value of the Mortgaged Property, (D) the rights of tenants, as
tenants only, under leases, including subleases, pertaining to the related
Mortgaged Property, (E) if the related Mortgage Loan is cross-collateralized
with any other Mortgage Loan, the lien of the mortgage instrument for that other
Mortgage Loan and (F) if the related Mortgaged Property is a unit in a
condominium, the related condominium declaration (items (A), (B), (C), (D), (E)
and (F) collectively, "Permitted Encumbrances"), and except that, in the case of
the CBA Mortgage Loans, the related Mortgage encumbering the related Mortgaged
Property also secures one or more other mortgage loans; and with respect to each
Mortgage Loan, such Permitted Encumbrances do not, individually or in the
aggregate, materially interfere with the security intended to be provided by the
related Mortgage, the current principal use of the related Mortgaged Property or
the current ability of the related Mortgaged Property to generate income
sufficient to service such Mortgage Loan; the premium for such policy was paid
in full; such policy (or if it is yet to be issued, the coverage to be afforded
thereby) is issued by a title insurance company licensed to issue policies in
the state in which the related Mortgaged Property is located (unless such state
is Iowa) and is assignable (with the related Mortgage Loan) to Depositor and the
Trustee without the consent of or any notification to the insurer, and is in
full force and effect upon the consummation of the transactions contemplated by
this Agreement; no claims have been made under such policy and Seller has not
undertaken any action or omitted to take any action, and has no knowledge of any
such act or omission, which would impair or diminish the coverage of such
policy;

              (xiv) The proceeds of such Mortgage Loan have been fully disbursed
and there is no requirement for future advances thereunder, and no future
advances have been made which are not reflected in the related Mortgage File;

              (xv) Except as set forth in a property inspection report or
engineering report prepared in connection with the origination of the Mortgage
Loan, as of the later of the date of origination of such Mortgage Loan or the
most recent inspection of the related Mortgaged Property by Seller, as
applicable, and to the knowledge of Seller as of the date hereof, each related
Mortgaged Property is free of any material damage that would affect materially
and adversely the use or value of such Mortgaged Property as security for the
Mortgage Loan (normal wear and tear excepted). If any of the inspection or
engineering reports referred to above in this paragraph (xv) revealed any
immediate repair items, then one of the following is true: (A) the repairs
and/or maintenance necessary to correct such condition have been completed in
all material respects; (B) an escrow of funds is required or a letter of credit
was obtained in an amount reasonably estimated to be sufficient to complete the
repairs and/or maintenance necessary to correct such condition; or (C) the
reasonable estimation at the time of origination of the Mortgage Loan of the
cost to complete the repairs and/or maintenance necessary to correct such
condition represented no more than the greater of (1) $50,000 and (2) 2% of the
value of the related Mortgaged Property as reflected in an appraisal conducted
in connection with the origination of the subject Mortgage Loan; as of the
closing date for each Mortgage Loan and, to Seller's knowledge, as of the date
hereof, there is no proceeding pending for the total or partial condemnation of
such Mortgaged Property that would have a material adverse effect on the use or
value of the Mortgaged Property;

              (xvi) Seller has inspected or caused to be inspected each related
Mortgaged Property within the past twelve months, or the originator of the
Mortgage Loan inspected or caused to be inspected each related Mortgaged
Property within three months of origination of the Mortgage Loan;

              (xvii) No Mortgage Loan has a shared appreciation feature, any
other contingent interest feature or a negative amortization feature other than
the ARD Loans which may have negative amortization from and after the related
Anticipated Repayment Date;

              (xviii) Each Mortgage Loan is a whole loan, and neither the
Mortgage Loan nor the related Mortgage Loan Documents create or grant an equity
participation to the lender or any other party;

              (xix) The Mortgage Rate (exclusive of any default interest, late
charges, or prepayment premiums) of such Mortgage Loan complied as of the date
of origination with, or was exempt from, applicable state or federal laws,
regulations and other requirements pertaining to usury. Except to the extent any
noncompliance did not materially and adversely affect the value of the related
Mortgaged Property, the security provided by the Mortgage or the related
borrower's operations at the related Mortgaged Property, any and all other
requirements of any federal, state or local laws, including, without limitation,
truth-in-lending, real estate settlement procedures, equal credit opportunity or
disclosure laws, applicable to such Mortgage Loan have been complied with as of
the date of origination of such Mortgage Loan;

              (xx) Neither Seller nor, to Seller's knowledge, any originator,
committed any fraudulent acts during the origination process of any Mortgage
Loan and (i) the origination of each Mortgage Loan is in all respects legal,
proper and prudent in accordance with customary commercial mortgage lending
standards and (ii) the servicing and collection of each Mortgage Loan is in all
respects legal, proper and prudent in accordance with servicing standard and no
other person has been granted or conveyed the right to service the Mortgage
Loans or receive any consideration in connection therewith, except as provided
in the Pooling and Servicing Agreement or any permitted subservicing agreements
and/or servicing rights purchase agreements being executed and delivered in
connection therewith;

              (xxi) All taxes and governmental assessments that became due and
owing prior to the date hereof with respect to each related Mortgaged Property
and that are or may become a lien of priority equal to or higher than the lien
of the related Mortgage have been paid or an escrow of funds has been
established and such escrow (including all escrow payments required to be made
prior to the delinquency of such taxes and assessments) is sufficient to cover
the payment of such taxes and assessments;

              (xxii) All escrow deposits and payments required pursuant to each
Mortgage Loan are in the possession, or under the control, of Seller or its
agent and there are no deficiencies (subject to any applicable grace or cure
periods) in connection therewith, all such escrows and deposits are being
conveyed by Seller to Depositor and identified as such with appropriate detail,
and any and all requirements for the disbursement of any such escrows have been
complied with in all material respects;

              (xxiii) Each related Mortgaged Property is insured by a fire and
extended perils insurance policy, issued by an insurer meeting the requirements
of the Pooling and Servicing Agreement, in an amount not less than the lesser of
the principal amount of the related Mortgage Loan and the replacement cost (with
no deduction for physical depreciation) and not less than the amount necessary
to avoid the operation of any co-insurance provisions with respect to the
related Mortgaged Property; each related Mortgaged Property is also covered by
business interruption or rental loss insurance which covers a period of not less
than 12 months and comprehensive general liability insurance in amounts
generally required by prudent commercial mortgage lenders for similar
properties; all Mortgaged Properties in California or in a seismic zone 4 or 5
have had a seismic assessment done and earthquake insurance was obtained to the
extent any such Mortgaged Property has a probable maximum loss in the event of
an earthquake of greater than twenty percent (20%) of the replacement value of
the related improvements; if the Mortgaged Property for any Mortgage Loan is
located within Florida or within 25 miles of the coast of North Carolina, South
Carolina, Georgia, Alabama, Mississippi, Louisiana or Texas, then, such
Mortgaged Property is insured by windstorm insurance in an amount at least equal
to the lesser of (i) the outstanding principal balance of such Mortgage Loan and
(ii) 100% of the insurable replacement cost of the improvements located on the
related Mortgaged Property; the Mortgaged Properties securing all of the
Mortgage Loans having a Cut-off Date Principal Balance in excess of $3,000,000
have, as of the date hereof, insurance policies in place with respect to acts of
terrorism or damage related thereto (excluding acts involving nuclear,
biological or chemical terrorism), except any such Mortgage Loans that are
listed on the applicable Exception Report. All premiums on such insurance
policies required to be paid as of the date hereof have been paid; such
insurance policies or the related insurance certificates require prior notice to
the insured of reduction in coverage, termination or cancellation, and no such
notice has been received by Seller; such insurance names the lender under the
Mortgage Loan and its successors and assigns as a named or additional insured;
each related Mortgage Loan obligates the related borrower to maintain all such
insurance and, at such borrower's failure to do so, authorizes the lender to
maintain such insurance at the borrower's cost and expense and to seek
reimbursement therefor from such borrower;

              (xxiv) There is no monetary default, breach, violation or event of
acceleration existing under the related Mortgage Loan. To Seller's knowledge,
there is no (A) non-monetary default, breach, violation or event of acceleration
existing under the related Mortgage Loan or (B) event (other than payments due
but not yet delinquent) which, with the passage of time or with notice and the
expiration of any grace or cure period, would constitute a default, breach,
violation or event of acceleration, which default, breach, violation or event of
acceleration, in the case of either (A) or (B), would materially and adversely
affect the use or value of the Mortgage Loan or the related Mortgaged Property.
Notwithstanding the foregoing, this representation and warranty does not address
or otherwise cover any default, breach, violation or event of acceleration that
specifically pertains to any matter otherwise covered by any other
representation or warranty made by Seller elsewhere in this Exhibit A or the
Exception Report;

              (xxv) No Mortgage Loan has been more than 30 days delinquent in
making required payments since origination and as of the Cut-off Date no
Mortgage Loan is 30 or more days delinquent in making required payments;

              (xxvi) (A) Each related Mortgage contains provisions so as to
render the rights and remedies of the holder thereof adequate for the practical
realization against the Mortgaged Property of the principal benefits of the
security, including realization by judicial or, if applicable, non-judicial
foreclosure or, subject to applicable state law requirements, appointment of a
receiver, and (B) there is no exemption available to the borrower which would
interfere with such right to foreclose, except, in the case of either (A) or
(B), as the enforcement of the Mortgage may be limited by bankruptcy,
insolvency, reorganization, moratorium, redemption or other laws affecting the
enforcement of creditors' rights or by general principles of equity (regardless
of whether such enforceability is considered in a proceeding in equity or at
law). No borrower is a debtor in a state or federal bankruptcy or insolvency
proceeding;

              (xxvii) At origination, each borrower represented and warranted in
all material respects that to its knowledge, except as set forth in certain
environmental reports and, except as commonly used in the operation and
maintenance of properties of similar kind and nature to the Mortgaged Property,
in accordance with prudent management practices and applicable law, and in a
manner that does not result in any contamination of the Mortgaged Property, it
has not used, caused or permitted to exist and will not use, cause or permit to
exist on the related Mortgaged Property any hazardous materials in any manner
which violates federal, state or local laws, ordinances, regulations, orders,
directives or policies governing the use, storage, treatment, transportation,
manufacture, refinement, handling, production or disposal of hazardous materials
or other environmental laws; and the related borrower agreed to indemnify,
defend and hold the mortgagee and its successors and assigns harmless from and
against losses, liabilities, damages, injuries, penalties, fines, expenses, and
claims of any kind whatsoever (including attorneys' fees and costs) paid,
incurred or suffered by, or asserted against, any such party resulting from a
breach of the foregoing representations, warranties or covenants given by the
borrower in connection with such Mortgage Loan. A Phase I environmental report
(or, with respect to residential cooperative loans with an original principal
balance of $350,000 or less, a transaction screen meeting ASTM standards) and,
with respect to certain Mortgage Loans, a Phase II environmental report was
conducted by a reputable independent environmental consulting firm in connection
with such Mortgage Loan, which report (or transaction screen) did not indicate
any material non-compliance with applicable environmental laws or material
existence of hazardous materials or, if any material non-compliance or material
existence of hazardous materials was indicated in any such report (or
transaction screen), then at least one of the following statements is true: (A)
funds reasonably estimated to be sufficient to cover the cost to cure any
material non-compliance with applicable environmental laws or material existence
of hazardous materials have been escrowed by the related borrower and held by
the related mortgagee; (B) if the environmental report recommended an operations
and maintenance plan, but not any material expenditure of funds, an operations
and maintenance plan has been required to be obtained by the related borrower;
(C) the environmental condition identified in the related environmental report
was remediated or abated in all material respects prior to the date hereof; (D)
a no further action or closure letter was obtained from the applicable
governmental regulatory authority (or the environmental issue affecting the
related Mortgaged Property was otherwise listed by such governmental authority
as "closed"); (E) such conditions or circumstances identified in the Phase I
environmental report were investigated further and based upon such additional
investigation, an environmental consultant recommended no further investigation
or remediation; (F) a party unrelated to the borrower with financial resources
reasonably estimated to be adequate to cure the condition or circumstance
provided a guaranty or indemnity to the related borrower to cover the costs of
any required investigation, testing, monitoring or remediation; (G) the
expenditure of funds reasonably estimated to be necessary to effect such
remediation is not greater than two percent (2%) of the outstanding principal
balance of the related Mortgage Loan; or (H) a lender's environmental insurance
policy was obtained and is a part of the related Mortgage File. Notwithstanding
the preceding sentence, with respect to certain Mortgage Loans with an original
principal balance of less than $4,000,000, no environmental report may have been
obtained, but (in such cases where a Phase I environmental report was not
obtained) a lender's secured creditor impaired property environmental insurance
policy was obtained with respect to each such Mortgage Loan. Each of such
secured creditor impaired property environmental insurance policies is a part of
the related Mortgage File. Each of such environmental insurance policies is in
full force and effect, is in an amount not less than the 100% of the balance of
the related Mortgage Loan, and has a term extending not less than five years
after the maturity date of the related Mortgage Loan; the premiums for such
policies have been paid in full; the Trustee is named as an insured under each
of such policies; and Seller has delivered to the insurer all related
environmental reports in its possession. To Seller's knowledge, in reliance on
the environmental reports referred to in the second sentence of this paragraph
(xxvii) and except as set forth in such environmental reports, each Mortgaged
Property is in material compliance with all applicable federal, state and local
environmental laws, and to Seller's knowledge, no notice of violation of such
laws has been issued by any governmental agency or authority, except, in all
cases, as indicated in such environmental reports or other documents previously
provided to the Rating Agencies; and Seller has not taken any action which would
cause the Mortgaged Property to not be in compliance with all federal, state and
local environmental laws pertaining to environmental hazards;

              (xxviii) (1) Each Mortgage Loan contains provisions for the
acceleration of the payment of the unpaid principal balance of such Mortgage
Loan if, without the consent of the holder of the Mortgage (and the Mortgage
requires the mortgagor to pay all fees and expenses associated with obtaining
such consent), the related Mortgaged Property is directly or indirectly
transferred or sold, and (2) except with respect to transfers of certain
interests in the related borrower to persons already holding interests in the
borrower, their family members, affiliated companies and other estate planning
related transfers that satisfy certain criteria specified in the related
Mortgage (which criteria is consistent with the practices of prudent commercial
mortgage lenders) or any transfers in connection with the death or disability of
owners of the borrower or, if the related Mortgaged Property is a residential
cooperative property, transfers of stock of the related borrower in connection
with the assignment of a proprietary lease for a unit in the related Mortgaged
Property by a tenant-shareholder of the related borrower to other persons who by
virtue of such transfers become tenant-shareholders in the related borrower,
each Mortgage Loan also contains the provisions for the acceleration of the
payment of the unpaid principal balance of such Mortgage Loan if, without the
consent of the holder of the Mortgage (and the Mortgage requires the mortgagor
to pay all fees and expenses associated with obtaining such consent), a majority
interest in the related borrower is directly or indirectly transferred or sold;

              (xxix) All improvements included in the related appraisal are
within the boundaries of the related Mortgaged Property, except for
encroachments onto adjoining parcels for which Seller has obtained title
insurance against losses arising therefrom or that do not materially and
adversely affect the use or value of such Mortgaged Property. No improvements on
adjoining parcels encroach onto the related Mortgaged Property except for
encroachments that do not materially and adversely affect the value of such
Mortgaged Property, the security provided by the Mortgage, the current use of
the Mortgaged Property, or the related borrower's operations at the Mortgaged
Property;

              (xxx) The information pertaining to the Mortgage Loans which is
set forth in the Mortgage Loan Schedule attached as an exhibit to this Agreement
is complete and accurate in all material respects as of the dates of the
information set forth therein (or, if not set forth therein, as of the Cut-off
Date);

              (xxxi) With respect to any Mortgage Loan where all or any portion
of the estate of the related borrower therein is a leasehold estate under a
ground lease, and the related Mortgage does not also encumber the related
lessor's fee interest in such Mortgaged Property, based upon the terms of the
ground lease and any estoppel received from the ground lessor, Seller represents
and warrants that:

              (A)    The ground lease or a memorandum regarding such ground
                     lease has been duly recorded. The ground lease permits the
                     interest of the lessee to be encumbered by the related
                     Mortgage and does not restrict the use of the related
                     Mortgaged Property by such lessee, its successors or
                     assigns in a manner that would adversely affect the
                     security provided by the related Mortgage. To Seller's
                     knowledge, there has been no material change in the terms
                     of the ground lease since its recordation, except by any
                     written instruments which are included in the related
                     mortgage file;

              (B)    The lessor under such ground lease has agreed in a writing
                     included in the related mortgage file that the ground lease
                     may not be amended, modified, canceled or terminated
                     without the prior written consent of the lender and that
                     any such action without such consent is not binding on the
                     lender, its successors or assigns;

              (C)    The ground lease has an original term (or an original term
                     plus one or more optional renewal terms, which, under all
                     circumstances, may be exercised, and would be enforceable,
                     by the lender) that extends not less than 10 years beyond
                     the amortization term of the related Mortgage Loan;

              (D)    Based on the title insurance policy (or binding commitment
                     therefor) obtained by Seller, the ground lease is not
                     subject to any liens or encumbrances superior to, or of
                     equal priority with, the Mortgage, subject to Permitted
                     Encumbrances and liens that encumber the ground lessor's
                     fee interest;

              (E)    Under the terms of the ground lease, the ground lease is
                     assignable to the lender and its assigns without the
                     consent of the lessor thereunder;

              (F)    The ground lease is in full force and effect, Seller has no
                     actual knowledge that any default beyond applicable notice
                     and grace periods has occurred, and to Seller's knowledge,
                     there is no existing condition which, but for the passage
                     of time or giving of notice, would result in a default
                     under the terms of the ground lease;

              (G)    The ground lease or ancillary agreement, which is part of
                     the Mortgage File, between the lessor and the lessee
                     requires the lessor to give notice of any default by the
                     lessee to the lender;

              (H)    The lender is permitted a reasonable opportunity
                     (including, where necessary, sufficient time to gain
                     possession of the interest of the lessee under the ground
                     lease through legal proceedings, or to take other action so
                     long as the lender is proceeding diligently) to cure any
                     default under the ground lease which is curable after the
                     receipt of notice of any default before the lessor may
                     terminate the ground lease. All rights of the lender under
                     the ground lease and the related Mortgage (insofar as it
                     relates to the ground lease) may be exercised by or on
                     behalf of the lender;

              (I)    The ground lease does not impose any restrictions on
                     subletting that would be viewed as commercially
                     unreasonable by a prudent commercial mortgage lender. The
                     lessor is not permitted to disturb the possession, interest
                     or quiet enjoyment of any subtenant of the lessee in the
                     relevant portion of the Mortgaged Property subject to the
                     ground lease for any reason, or in any manner, which would
                     adversely affect the security provided by the related
                     Mortgage;

              (J)    Under the terms of the ground lease and the related
                     Mortgage, any related insurance proceeds or condemnation
                     award (other than in respect of a total or substantially
                     total loss or taking) will be applied either to the repair
                     or restoration of all or part of the related Mortgaged
                     Property, with the lender or a trustee appointed by it
                     having the right to hold and disburse such proceeds as
                     repair or restoration progresses (except in such cases
                     where a provision entitling another party to hold and
                     disburse such proceeds would not be viewed as commercially
                     unreasonable by a prudent commercial mortgage lender), or
                     to the payment of the outstanding principal balance of the
                     Mortgage Loan, together with any accrued interest, except
                     that in the case of condemnation awards, the ground lessor
                     may be entitled to a portion of such award;

              (K)    Under the terms of the ground lease and the related
                     Mortgage, any related insurance proceeds, or condemnation
                     award in respect of a total or substantially total loss or
                     taking of the related Mortgaged Property will be applied
                     first to the payment of the outstanding principal balance
                     of the Mortgage Loan, together with any accrued interest
                     (except as provided by applicable law or in cases where a
                     different allocation would not be viewed as commercially
                     unreasonable by a prudent commercial mortgage lender,
                     taking into account the relative duration of the ground
                     lease and the related Mortgage and the ratio of the market
                     value of the related Mortgaged Property to the outstanding
                     principal balance of such Mortgage Loan). Until the
                     principal balance and accrued interest are paid in full,
                     neither the lessee nor the lessor under the ground lease
                     will have an option to terminate or modify the ground lease
                     without the prior written consent of the lender as a result
                     of any casualty or partial condemnation; and

              (L)    Provided that the lender cures any defaults which are
                     susceptible to being cured, the lessor has agreed to enter
                     into a new lease upon termination of the ground lease for
                     any reason, including rejection of the ground lease in a
                     bankruptcy proceeding;

              (xxxii) With respect to any Mortgage Loan where all or a material
portion of the estate of the related borrower therein is a leasehold estate, but
the related Mortgage also encumbers the related lessor's fee interest in such
Mortgaged Property: (A) such lien on the related fee interest is evidenced by
the related Mortgage, (B) such Mortgage does not by its terms provide that it
will be subordinated to the lien of any other mortgage or encumbrance upon such
fee interest, (C) upon the occurrence of a default under the terms of such
Mortgage by the related borrower, any right of the related lessor to receive
notice of, and to cure, such default granted to such lessor under any agreement
binding upon the lender would not be considered commercially unreasonable in any
material respect by prudent commercial mortgage lenders, (D) the related lessor
has agreed in a writing included in the related Mortgage File that the related
ground lease may not be amended or modified without the prior written consent of
the lender and that any such action without such consent is not binding on the
lender, its successors or assigns, and (E) the related ground lease is in full
force and effect, and Seller has no actual knowledge that any default beyond
applicable notice and grace periods has occurred or that there is any existing
condition which, but for the passage of time or giving of notice, would result
in a default under the terms of such ground lease;

              (xxxiii) Except in the case of the CBA Mortgage Loans with respect
to those Mortgage Loans that are cross-collateralized or cross-defaulted, all
other loans that are cross-collateralized or cross-defaulted with such Mortgage
Loans are being transferred to Depositor hereunder;

              (xxxiv) Neither Seller nor any affiliate thereof has any
obligation to make any capital contribution to any borrower under a Mortgage
Loan, other than contributions made on or prior to the date hereof;

              (xxxv) (A) The Mortgage Loan is directly secured by a Mortgage on
a commercial property or multifamily residential property, and (B) the fair
market value of such real property, as evidenced by an appraisal satisfying the
requirements of FIRREA conducted within 12 months of the origination of the
Mortgage Loan, was at least equal to 80% of the principal amount of the Mortgage
Loan (1) at origination (or if the Mortgage Loan has been modified in a manner
that constituted a deemed exchange under Section 1001 of the Code at a time when
the Mortgage Loan was not in default or default with respect thereto was not
reasonably foreseeable, the date of the last such modification) or (2) at the
date hereof; provided that the fair market value of the real property must first
be reduced by (x) the amount of any lien on the real property interest that is
senior to the Mortgage Loan and (y) a proportionate amount of any lien that is
in parity with the Mortgage Loan (unless such other lien secures a Mortgage Loan
that is cross-collateralized with such Mortgage Loan, in which event the
computation described in (B) shall be made on an aggregated basis);

              (xxxvi) There are no subordinate mortgages encumbering the related
Mortgaged Property, nor are there any preferred equity interests held by the
lender or any mezzanine debt related to such Mortgaged Property, except as set
forth in the Prospectus Supplement, in this Exhibit A or in the Exception
Report;

              (xxxvii) Except in cases where the related Mortgaged Property is a
residential cooperative property, the Mortgage Loan Documents executed in
connection with each Mortgage Loan having an original principal balance in
excess of $5,000,000 require that the related borrower be a Single-Purpose
Entity (for this purpose, "Single-Purpose Entity" shall mean an entity, other
than an individual, having organizational documents which provide substantially
to the effect that it is formed or organized solely for the purpose of owning
and operating one or more Mortgaged Properties, is prohibited from engaging in
any business unrelated to such property and the related Mortgage Loan, does not
have any assets other than those related to its interest in the related
Mortgaged Property or its financing, or any indebtedness other than as permitted
under the related Mortgage Loan). To Seller's actual knowledge, each borrower
has fully complied with the requirements of the related Note and Mortgage and
borrower's organizational documents regarding Single-Purpose Entity status;

              (xxxviii) Except in cases where the related Mortgaged Property is
a residential cooperative property, each Mortgage Loan prohibits the related
borrower from mortgaging or otherwise encumbering the Mortgaged Property, or any
controlling equity interest in the borrower, without the prior written consent
of the mortgagee or the satisfaction of debt service coverage or similar
criteria specified in the Note or Mortgage which would be acceptable to a
reasonably prudent commercial mortgage lender, and, except in connection with
trade debt and equipment financings in the ordinary course of borrower's
business, from carrying any additional indebtedness, except, in each case, liens
contested in accordance with the terms of the Mortgage Loans or, with respect to
each Mortgage Loan having an original principal balance of less than $4,000,000,
any unsecured debt;

              (xxxix) Each borrower covenants in the Mortgage Loan Documents
that it shall remain in material compliance with all material licenses, permits
and other legal requirements necessary and required to conduct its business;

              (xl) Each Mortgaged Property (A) is located on or adjacent to a
dedicated road, or has access to an irrevocable easement permitting ingress and
egress, (B) is served by public utilities and services generally available in
the surrounding community or otherwise appropriate for the use in which the
Mortgaged Property is currently being utilized, and (C) constitutes one or more
separate tax parcels or is covered by an endorsement with respect to the matters
described in (A), (B) or (C) under the related title insurance policy (or the
binding commitment therefor);

              (xli) Based solely on a flood zone certification or a survey of
the related Mortgaged Property, if any portion of the improvements on the
Mortgaged Property is located in an area identified by the Federal Emergency
Management Agency or the Secretary of Housing and Urban Development as having
special flood hazards categorized as Zone "A" or Zone "V" and flood insurance is
available, the terms of the Mortgage Loan require the borrower to maintain flood
insurance, or at such borrower's failure to do so, authorizes the lender to
maintain such insurance at the cost and expense of the borrower and such
insurance is in full force and effect in an amount not less than the lesser of
(A) the replacement cost of the material improvements on such Mortgaged
Property, (B) the balance of the Mortgage Loan and (C) the maximum amount of
insurance available under the applicable National Flood Insurance Administration
Program;

              (xlii) With respect to each Mortgage which is a deed of trust, a
trustee, duly qualified under applicable law to serve as such, currently so
serves and is named in the deed of trust or has been substituted in accordance
with applicable law or may be substituted in accordance with applicable law by
the related mortgagee, and except in connection with a trustee's sale after a
default by the related borrower, no fees are payable to such trustee, and such
fees payable are payable by the borrower;

              (xliii) Except as disclosed in the Exception Report to this
Agreement, to the knowledge of Seller as of the date hereof, there was no
pending action, suit or proceeding, arbitration or governmental investigation
against any borrower or Mortgaged Property, an adverse outcome of which would
materially and adversely affect such borrower's ability to perform under the
related Mortgage Loan;

              (xliv) No advance of funds has been made by Seller to the related
borrower (other than mezzanine debt and the acquisition of preferred equity
interests by the preferred equity interest holder, as disclosed in the
Prospectus Supplement), and no funds have, to Seller's knowledge, been received
from any person other than, or on behalf of, the related borrower, for, or on
account of, payments due on the Mortgage Loan;

              (xlv) To the extent required under applicable law, as of the
Cut-off Date or as of the date that such entity held the Note, each holder of
the Note was authorized to transact and do business in the jurisdiction in which
each related Mortgaged Property is located, or the failure to be so authorized
did not materially and adversely affect the enforceability of such Mortgage
Loan;

              (xlvi) All collateral for the Mortgage Loans is being transferred
as part of the Mortgage Loans;

              (xlvii) Except as disclosed in the Exception Report or the
Prospectus Supplement with respect to the Crossed Mortgage Loans and Mortgage
Loans secured by multiple, non-contiguous real properties, no Mortgage Loan
requires the lender to release any portion of the Mortgaged Property from the
lien of the related Mortgage except upon (A) payment in full or defeasance of
the related Mortgage Loan, (B) the satisfaction of certain legal and
underwriting requirements that would be customary for prudent commercial
mortgage lenders, which in all events include payment of a release price at
least 125% of the appraised value of the property to be released or of the
allocated loan amount of such property, (C) releases of unimproved out-parcels
or (D) releases of other portions of the Mortgaged Property which will not have
a material adverse effect on the use or value of the collateral for the related
Mortgage Loan and which were given no value in the appraisal of the Mortgaged
Property or of that portion of the Mortgaged Property used to calculate the
loan-to-value ratio of the Mortgaged Property for underwriting purposes. No
release or partial release of any Mortgaged Property, or any portion thereof,
expressly permitted or required pursuant to the terms of any Mortgage Loan would
constitute a significant modification of the related Mortgage Loan under Treas.
Reg. Section 1.860G-2(b)(2);

              (xlviii) Any insurance proceeds in respect of a casualty loss or
taking will be applied either to (A) the repair or restoration of all or part of
the related Mortgaged Property, with, in the case of all casualty losses or
takings in excess of a specified amount or percentage of the related loan amount
that a prudent commercial lender would deem satisfactory and acceptable, the
lender (or a trustee appointed by it) having the right to hold and disburse such
proceeds as the repair or restoration progresses (except in any case where a
provision entitling another party to hold and disburse such proceeds would not
be viewed as commercially unreasonable by a prudent commercial mortgage lender)
or (B) to the payment of the outstanding principal balance of such Mortgage Loan
together with any accrued interest thereon;

              (xlix) Each UCC Financing Statement, if any, filed with respect to
personal property constituting a part of the related Mortgaged Property and each
assignment, if any, of such UCC Financing Statement to Seller was, and each
assignment, if any, of such UCC Financing Statement in blank which the Trustee
or its designee is authorized to complete (but for the insertion of the name of
the assignee and any related filing information which is not yet available to
Seller) is, in suitable form for filing in the filing office in which such UCC
Financing Statement was filed;

              (l) To Seller's knowledge, (A) each commercial lease covering more
than 10% (20% in the case of any Mortgage Loan having an original principal
balance less than $2,500,000) of the net leaseable area of the related Mortgaged
Property is in full force and effect and (B) there exists no default under any
such commercial lease either by the lessee thereunder or by the related borrower
that could give rise to the termination of such lease;

              (li) Based upon an opinion of counsel and/or other due diligence
considered reasonable by prudent commercial mortgage lenders in the lending area
where the subject property is located, the improvements located on or forming
part of each Mortgaged Property comply with applicable zoning laws and
ordinances, or constitute a legal non-conforming use or structure or, if any
such improvement does not so comply, such non-compliance does not materially and
adversely affect the value of the related Mortgaged Property. With respect to
Mortgage Loans with a Cut-off Date Principal Balance of over $10,000,000, if the
related Mortgaged Property does not so comply, to the extent Seller is aware of
such non-compliance, it has required the related borrower to obtain law and
ordinance insurance coverage in amounts customarily required by prudent
commercial mortgage lenders;

              (lii) Each Mortgage Loan constitutes a "qualified mortgage" within
the meaning of Section 860G(a)(3) of the Code (but without regard to the rule in
Treasury Regulation (as defined herein) Section 1.860G-2(f)(2) that treats a
defective obligation as a qualified mortgage or any substantially similar
successor provision), the related Mortgaged Property, if acquired by a REMIC in
connection with the default or imminent default of such Mortgage Loan would
constitute "foreclosure property" within the meaning of Code Section 860G(a)(8)
and all Prepayment Premiums and Yield Maintenance Charges with respect to such
Mortgage Loan constitute "customary prepayment penalties" within the meaning of
Treasury Regulation Section 1.860G-1(b)(2);

              (liii) With respect to any Mortgage Loan that pursuant to the
Mortgage Loan Documents can be defeased, (A) the Mortgage Loan cannot be
defeased within two years after the Closing Date, (B) the borrower can pledge
only United States government securities in an amount sufficient to make all
scheduled payments under the Mortgage Loan when due, (C) the borrower is
required to provide independent certified public accountant's certification that
the collateral is sufficient to make such payments, (D) the loan may be required
to be assumed by a single-purpose entity designated by the holder of the
Mortgage Loan, (E) the borrower is required to provide an opinion of counsel
that the trustee has a perfected security interest in such collateral prior to
any other claim or interest, (F) the borrower is required to pay all Rating
Agency fees associated with defeasance (if rating confirmation is a specific
condition precedent thereto) and all other reasonable expenses associated with
defeasance, including, but not limited to, accountant's fees and opinions of
counsel, (G) with respect to any Significant Loan (as defined in the Pooling and
Servicing Agreement), the borrower is required to provide an opinion of counsel
that such defeasance will not cause any REMIC created under the Pooling and
Servicing Agreement to fail to qualify as a REMIC for federal or applicable
state tax purposes and (H) with respect to any Significant Loan (as defined in
the Pooling and Servicing Agreement), the borrower must obtain confirmation from
each Rating Agency that the defeasance would not result in such Rating Agency's
withdrawal, downgrade or qualification of the then current rating of any class
of Certificates rated by such Rating Agency;

              (liv) The Mortgage Loan Documents for each Mortgage Loan provide
that the related borrower thereunder shall be liable to the lender for any
losses incurred by the lender due to (A) the misapplication or misappropriation
of rents, insurance proceeds or condemnation awards, (B) any willful act of
material waste, (C) any breach of the environmental covenants contained in the
related Mortgage Loan Documents, and (D) fraud by the related borrower; provided
that, with respect to clause (C) of this sentence, an indemnification against
losses related to such violations or environmental insurance shall satisfy such
requirement; and provided, further, that, if the related Mortgaged Property is a
residential cooperative property, then the subject Mortgage Loan is fully
recourse to the borrower;

              (lv) If such Mortgage Loan is an ARD Loan, it commenced amortizing
on its initial scheduled Due Date and provides that: (A) its Mortgage Rate will
increase by no less than two percentage points in connection with the passage of
its Anticipated Repayment Date and so long as the Mortgage Loan is an asset of
the Trust Fund; (B) its Anticipated Repayment Date is not less than seven years
following the origination of such Mortgage Loan; (C) no later than the related
Anticipated Repayment Date, if it has not previously done so, the related
borrower is required to enter into a "lockbox agreement" whereby all revenue
from the related Mortgaged Property shall be deposited directly into a
designated account controlled by the applicable Master Servicer; and (D) any
cash flow from the related Mortgaged Property that is applied to amortize such
Mortgage Loan following its Anticipated Repayment Date shall, to the extent such
net cash flow is in excess of the Monthly Payment payable therefrom, be net of
budgeted and discretionary (servicer approved) capital expenditures;

              (lvi) Except as disclosed in the Prospectus Supplement, no
Mortgage Loan, and no group of Mortgage Loans made to the same borrower and to
borrowers that are Affiliates, accounted for more than 5.0% of the aggregate of
the Cut-off Date Principal Balances of all of the mortgage loans (including the
Mortgage Loans) sold to Depositor by Column Financial, Inc., LaSalle Bank
National Association, Barclays Capital Real Estate Inc., NCB, FSB and KeyBank
National Association pursuant to those certain Mortgage Loan Purchase
Agreements, each dated as of September 1, 2006, between Depositor and Column
Financial, Inc., LaSalle Bank National Association, Barclays Capital Real Estate
Inc., NCB, FSB and KeyBank National Association, respectively, as of the Cut-off
Date;

              (lvii) Except for the Mortgage Loans with an initial principal
balance less than $3,000,000, in connection with its origination or acquisition
of each Mortgage Loan, Seller obtained an appraisal of the related Mortgaged
Property, which appraisal is signed by an appraiser, who, to Seller's actual
knowledge, had no interest, direct or indirect, in the borrower, the Mortgaged
Property or in any loan made on the security of the Mortgaged Property, and
whose compensation was not affected by the approval or disapproval of the
Mortgage Loan; and

              (lviii) Each Mortgage Loan bears interest at a rate that remains
fixed throughout the remaining term of such Mortgage Loan, except in the case of
an ARD Loan after its Anticipated Repayment Date and except for the imposition
of a default rate.

<PAGE>
                                                                       EXHIBIT B

                                AFFIDAVIT OF LOST NOTE

STATE OF NEW YORK            )
                             ) ss.:
COUNTY OF NEW YORK           )

              ____________________________, being duly sworn, deposes and says:

              1. that he is an authorized signatory of Column Financial, Inc.
("Column");

              2. that _______________ is the owner and holder of a mortgage loan
in the original principal amount of $______________ secured by a mortgage (the
"Mortgage") on the premises known as ______________ ______________ located in
______________;

              3. that _______________, after having conducted a diligent
investigation of its records and files, has been unable to locate the following
original note and believes that said original note has been lost, misfiled,
misplaced or destroyed due to a clerical error:

              a note in the original sum of $______________ made by
              ______________, to _______________, under date of ______________
              (the "Note");

              4. that the Note is now owned and held by _______________;

              5. that the copy of the Note attached hereto is a true and correct
copy thereof;

              6. that the Note has not been paid off, satisfied, assigned,
transferred, encumbered, endorsed, pledged, hypothecated, or otherwise disposed
of and that the original Note has been either lost, misfiled, misplaced or
destroyed;

              7. that no other person, firm, corporation or other entity has any
right, title, interest or claim in the Note except _______________; and

              8. upon assignment of the Note by _______________ to Credit Suisse
First Boston Mortgage Securities Corp. (the "Depositor") and subsequent
assignment by Depositor to the trustee for the benefit of the holders of the
Credit Suisse First Boston Mortgage Securities Corp. Commercial Mortgage
Pass-Through Certificates, Series 2006-C4 (the "Trustee") (which assignment may,
at the discretion of Depositor, be made directly by _______________ to the
Trustee), _______________ covenants and agrees (a) promptly to deliver to the
Trustee the original Note if it is subsequently found, and (b) to indemnify and
hold harmless the Trustee and its successors and assigns from and against any
and all costs, expenses and monetary losses arising as a result of
_______________'s failure to deliver said original Note to the Trustee.

                                               COLUMN FINANCIAL, INC.

                                               By: _____________________________
                                                   Name:
                                                   Title:

Sworn to before me this _____
day of __________, 2006

<PAGE>

INFORMATION CONTAINED ON THIS DISKETTE DATED, Thursday, September 21, 2006, IS
SUBJECT TO COMPLETION OR AMENDMENT.

This diskette relates to the Offered Certificates in the Credit Suisse First
Boston Mortgage Securities Corp., Commercial Mortgage Pass-Through Certificates,
Series 2006-C4. The information contained on this diskette is provided to
facilitate your review of the collateral underlying the Offered Certificates.
This free writing prospectus is being provided to you in response to your
specific request. The depositor has filed a registration statement (including a
prospectus) with the SEC for the offering to which this communication relates.
Before you invest, you should read the prospectus in the registration statement
and other documents the depositor has filed with the SEC for more complete
information about the depositor, the issuing trust and this offering. You may
get these documents for free by visiting EDGAR on the SEC Web site at
www.sec.gov. Alternatively, the depositor, any underwriter or any dealer
participating in the offering will arrange to send you the prospectus after
filing if you request it by calling toll free 1-800-221-1037 or by email to the
following address: barry.polen@credit-suisse.com. The information on this
diskette supersedes any and all information contained in any previously
furnished free writing prospectus and shall be superseded by any subsequently
furnished similar materials. The commercial mortgage backed securities to which
these materials relate, and the mortgage pool backing them, are subject to
modification or revision (including the possibility that one or more classes of
securities may be split, combined or eliminated at any time prior to issuance or
availability of a final prospectus) and are offered on a "when, as and if
issued" basis. You understand that, when you are considering the purchase of
these securities, a contract of sale will come into being no sooner than the
date on which the relevant class hs been priced and we have verified the
allocation of securities to be made to you; any "indications of interest"
expressed by you, and any "soft circles" generated by us, will not create
binding contractual obligations for you or us.

Prospective investors are advised to read carefully, the free writing prospectus
and prospectus relating to the Offered Certificates in making their investment
decisions.

Credit Suisse First Boston Mortgage Securities Corp.
Commercial Mortgage Pass-Through Certificates Series 2006-C4

<TABLE>
<CAPTION>

      Loan
      Group
#     #       Property Name
---   -----   ----------------------------------------------------
<S>   <C>     <C>
  1       1   11 Madison Avenue
  2       1   280 Park Avenue
  3       2   Babcock & Brown FX 3
3a        2   Babcock & Brown FX 3 - Sonterra
3b        2   Babcock & Brown FX 3 - Sandridge
3c        2   Babcock & Brown FX 3 - Majestic Heights
3d        2   Babcock & Brown FX 3 - Toscana Villas
3e        2   Babcock & Brown FX 3 - Remington Oaks
3f        2   Babcock & Brown FX 3 - Holly Tree
3g        2   Babcock & Brown FX 3 - Holly Ridge
3h        2   Babcock & Brown FX 3 - Pecan Crossing
3i        2   Babcock & Brown FX 3 - Broadmoor
3j        2   Babcock & Brown FX 3 - Preston Valley
3k        2   Babcock & Brown FX 3 - San Marin
3l        2   Babcock & Brown FX 3 - Chesapeake
3m        2   Babcock & Brown FX 3 - River Road Terrace
3n        2   Babcock & Brown FX 3 - Ravenwood
  4       1   The Ritz-Carlton South Beach
  5       1   Carlton Hotel on Madison
  6       1   The Dream Hotel
 12       1   Harwood Center
 15       1   828-850 Madison Avenue
 16       1   Maxtor Campus
 17       2   Delaware Multifamily Portfolio
17a       2   Towne Court
17b       2   Park Place Apartments
17c       2   Water View Court
 18       2   The Cottages of Fall Creek
 19       2   The Orchard Apartments
 20       2   Briarwood Apartments
 22       2   Iowa State Student Housing

 23       1   105 West Adams Street
 25       2   Babcock & Brown FX 5
25a       2   Babcock & Brown FX 5 - Hampton Court
25b       2   Babcock & Brown FX 5 - Memorial Club
 31       1   Novant - Midtown Medical Plaza
 33       1   E.ON US Center
 36       1   Parc at Piedmont
 38       1   500 Sansome Office
 39       1   City Club Hotel
 40       1   Northland Inn
 42       1   Novant - Presbyterian Medical Tower
 43       1   The Plaza Evergreen Park
 44       1   LakeShore Medical
 50       1   Spectra - POOL 4
50a       1   Spectra Retail - Petal, MS
50b       1   Spectra Retail - Pineville, LA
50c       1   Spectra Retail - Fort Dodge, IA
50d       1   Spectra Retail - Marshalltown, IA
50e       1   Spectra Retail - La Junta, CO
50f       1   Spectra Retail - Newcastle, OK
 52       1   833 Jackson & 322 Green
 57       1   Regional Professional Building
 58       1   Novant - Huntersville/Physicians Plaza
 59       1   Pavilions Shopping Center
 60       1   Magnolia Shoppes
 61       1   Princess Medical Center
 62       1   Parkshore Centre
 64       2   Sahara Glen Apartments
 65       2   Villages at Del Rio Apartments
 67       1   Novant - Metroview Professional Building
 68       1   Novant - Matthews Medical Office Building
 70       1   Antelope Valley Plaza
 71       1   New City Plaza
 72       1   Fashion Mall Commons
 73       1   CMC Hotel Portfolio I
73a       1   CMC Hotel Portfolio I - Holiday Inn Raleigh
73b       1   CMC Hotel Portfolio I - Best Western Raleigh
 78       2   Rand Grove Village Apartments
 79       1   Mill Valley Office Complex
 83       1   Ringling Square
 84       1   Holiday Inn & Suites Cary
 86       1   Holiday Inn Express & Suites Fort Lauderdale Airport
 88       1   Intermountain Residence Inn Boise
 91       1   City Center Professional
 92       1   Airways Plaza
101       1   Metro Park Executive Center
103       1   Village at Novato
104       2   296 Austin Road
106       1   Brea Industrial
111       2   Village Plaza Apartments
113       1   Alhambra Shops
116       2   Alexis Park Apartments
117       1   Camelot Professional Building
118       1   Intermountain Residence Inn Spokane
120       1   Plaza West Shopping Center
127       1   White Sands Mall
130       1   Ashton Place
131       1   Holiday Inn Express Frisco
132       1   Valley Del Rio Shopping Center
134       1   Starbucks Center
136       1   UG Buena Park Center
138       1   Ateret Avot
139       1   Rancho Pines Shopping Center
141       1   Mission Industrial Park
144       1   Baymont Inn & Suites - Hot Springs
148       1   Nu-Kote Distribution
149       2   Admiral Manor
151       2   Park Village Apartments
156       1   Shoppes on Saxon
160       1   Valley Center of Trussville
163       2   Lark Ellen Villas
165       1   Shrub Oak Center
166       1   Thunderbird Plaza
170       2   Park at Presa
172       1   Hampton Inn Brevard
173       1   Crowley Plaza
175       2   Sylmar Mobile Home Park
177       1   Barrett Lake MHP
183       1   Lakes Office Building
185       1   1776 Woodstead Court
186       1   The Burley Inn Hotel & Convention Center
187       1   Pak-It Inn Self Storage
187a      1   Pak-It Inn Self Storage - Mableton
187b      1   Pak-It Inn Self Storage - Conyers
188       2   Ocean Drive Apartments
189       1   Culvers Strip Center
191       2   La Acienda Gardens Apartments
193       1   St. Joe Center
195       1   MacGregor Square
197       1   Chase Street Self Storage
199       1   Robinson Medical Center
200       2   Cornish Home Brewery Apartments
201       2   Mariner's Village Apartments
204       2   Windsor Park Apartments
206       1   Thorpe, North and Western Office
208       1   Spectrum Campus One Retail
209       1   Jurupa Business Park
210       2   Ridgecrest MHP
214       1   Carrier Crossing Shopping Center
217       1   Arundel Mills Chipotle Center
219       1   Quality Inn & Suites Des Moines
220       1   Placid Corners
221       1   Georgetown Shopping Center
222       1   Sandy Plains Connection
223       1   Arundel Mills Mens Wearhouse Center
226       2   Nordic Villa Apartments
230       1   Sansone Plaza
231       1   Pak-It Inn (Lilburn)
232       2   Camelot Apartments Kenosha
234       2   Regency Square Apartments
237       1   West Haven Center
238       1   Marcin Retail
240       2   380-384 Prospect Place
245       1   Hennessey Building
248       2   12 Peachtree Avenue
250       1   First Colony Center
253       1   Zeppe's Plaza
254       2   Alexander Hamilton Plaza Apts
255       1   Oakridge Shopping Center
256       1   Edwards Buildings
256a      1   1130 Kildaire Farm Road
256b      1   5509 Creedmoor Road
258       1   Oaktree Plaza Shopping Center
260       1   Highwood Retail
262       1   2246-2260 Marietta Boulevard
264       1   700 Market Street
265       1   Airport Kirkwood Shopping Center
267       2   Woodhurst Apartments
268       1   Overland Park Center
271       1   Clayton's Self Storage
272       1   Harrison Retail Center
276       2   15-45 Elam St
277       1   Cherryway Medical Center
281       1   Desoto Clocktower
282       1   Rite Aid Lansing
284       2   Whitehall Apartments
288       1   Richfield Commons
289       1   Illinois Pointe Shoppes
290       1   Palm Terrace Mobile Home Park
292       1   Plainfield Retail Center
294       2   McAdams Apartments
299       1   Copperas Cove Shopping Center
303       1   Bay Storage
304       2   Eliana Apartments
310       2   Rivercrest Village
312       2   Ellicott Shores Apartments

314       1   Centerpoint West Shopping Center
315       1   Aransas Pass Retail
318       2   Riverbend Estates Mobile Home Park
319       1   Shoppes at Jefferson Place
323       1   Sycamore Place Shopping Center
324       1   Alverser Commons
325       1   Attic Storage
328       2   Kenwood Apartments

329       2   Fairmount Hills Apartments
331       2   Rock Garden Apartments
335       2   Sunset Mobile Home Park
336       2   Applewood MHP
338       2   Dewey Avenue Apartments
340       1   Levin Center
342       1   Recker Brown Pad
344       2   Villa Denese Mobile Home Park
346       2   Swiss Garden Townhomes
348       1   Angels Attic Self Storage
349       1   Colma Mixed Use
350       1   Clovis Shopping Center
357       1   3300 West Illinois

<CAPTION>

                                                                                                                 Zip
#     Address                                                 City                 County                State   Code
---   -----------------------------------------------------   ------------------   -------------------   -----   -----
<S>   <C>                                                     <C>                  <C>                   <C>     <C>
  1   11 Madison Avenue                                       New York             New York              NY      10010
  2   280 Park Avenue                                         New York             New York              NY      10017
  3
3a    5050 Tamarus Street                                     Las Vegas            Clark                 NV      89119
3b    4025 Burke Road                                         Pasadena             Harris                TX      77504
3c    5325 East Tropicana Avenue                              Las Vegas            Clark                 NV      89122
3d    4775 Topaz Street                                       Las Vegas            Clark                 NV      89121
3e    1601 Weyland Drive                                      Fort Worth           Tarrant               TX      76180
3f    2481 Lake Drive                                         Waldorf              Charles               MD      20601
3g    2504 Ivy Brook Court                                    Arlington            Tarrant               TX      76006
3h    1225 East Pleasant Run Road                             DeSoto               Dallas                TX      75115
3i    10215 Beechnut Street                                   Houston              Harris                TX      77072
3j    5631 Spring Valley Road                                 Dallas               Dallas                TX      75254
3k    3501 West Waters Avenue                                 Tampa                Hillsborough          FL      33614
3l    11620 Audelia Road                                      Dallas               Dallas                TX      75243
3m    20900 River Terrace Road                                Ettrick              Chesterfield          VA      23803
3n    4215 Bethel Church Road                                 Columbia             Richland              SC      29206
  4   1 Lincoln Road                                          Miami Beach          Miami-Dade            FL      33139
  5   88 Madison Avenue                                       New York             New York              NY      10016
  6   210 West 55th Street                                    New York             New York              NY      10019
 12   1999 Bryan Street                                       Dallas               Dallas                TX      75201
 15   828-850 Madison Avenue                                  New York             New York              NY      10021
 16   2452 Clover Basin Drive                                 Longmont             Boulder               CO      80503
 17
17a   91 Thorne Lane                                          Newark               New Castle            DE      19711
17b   650 Lehigh Road                                         Newark               New Castle            DE      19711
17c   321 Harbor Drive                                        Claymont             New Castle            DE      19703
 18   6802 East 56th Street                                   Indianapolis         Marion                IN      46226
 19   5350 Cider Mill Lane                                    Indianapolis         Marion                IN      46226
 20   1300 East Fort Lowell Road                              Tucson               Pima                  AZ      85719
 22   119-324 Stanton Avenue, 116-324 Welch Avenue,           Ames                 Story                 IA      50014
      304 Lynn Avenue and 2323-2337 Knapp Street
 23   105 West Adams Street                                   Chicago              Cook                  IL      60603
 25
25a   441 North Armistead Street                              Alexandria           Alexandria City       VA      22312
25b   904 Westcott Street                                     Houston              Harris                TX      77007
 31   1918 Randolph Road                                      Charlotte            Mecklenburg           NC      28207
 33   220 West Main Street                                    Louisville           Jefferson             KY      40202
 36   999 Hood Road Northeast                                 Marietta             Cobb                  GA      30068
 38   500 Sansome Street                                      San Francisco        San Francisco         CA      94111
 39   55 West 44th Street                                     New York             New York              NY      10036
 40   7025 Northland Drive                                    Brooklyn Park        Hennepin              MN      55428
 42   1718 East 4th Street                                    Charlotte            Mecklenburg           NC      28204
 43   9600 South Western Avenue                               Evergreen Park       Cook                  IL      60805
 44   3232-3299 Wellness Drive                                Holland              Ottawa                MI      49424
 50
50a   793 US Highway 42                                       Petal                Forrest               MS      39465
50b   3628 Monroe Highway                                     Pineville            Rapides               LA      71360
50c   3003-3043 1st Avenue South                              Fort Dodge           Webster               IA      50501
50d   50 La Frentz Drive                                      Marshalltown         Marshall              IA      50158
50e   7 Conley Road                                           La Junta             Otero                 CO      81050
50f   707-757 Northwest 34th Place                            Newcastle            McClain               OK      73065
 52   833 West Jackson Boulevard and 322 South Green Street   Chicago              Cook                  IL      60607
 57   2501 Jimmy Johnson Boulevard                            Port Arthur          Jefferson             TX      77640
 58   10030 Gilead Road                                       Huntersville         Mecklenburg           NC      28078
 59   1955 West Guadalupe Road                                Mesa                 Maricopa              AZ      85202
 60   9651 Westview Drive                                     Coral Springs        Broward               FL      33076
 61   8573-8575 East Princess Drive                           Scottsdale           Maricopa              AZ      85255
 62   1 Poston Road                                           Charleston           Charleston            SC      29407
 64   3655 East Sahara Avenue                                 Las Vegas            Clark                 NV      89104
 65   3560 Dixie Drive                                        Houston              Harris County         TX      77021
 67   1900 Randolph Road                                      Charlotte            Mecklenburg           NC      28207
 68   1450 Matthews Township Parkway                          Matthews             Mecklenburg           NC      28105
 70   2000-2062 East Avenue J                                 Lancaster            Los Angeles           CA      93536
 71   66 North Main Street                                    New City             Rockland              NY      10956
 72   8487 Union Chapel Road                                  Indianapolis         Marion                IN      46240
 73
73a   2805 Highwoods Boulevard                                Raleigh              Wake                  NC      27604
73b   2715 Capital Boulevard                                  Raleigh              Wake                  NC      27604
 78   708-774 East Rand Grove Lane                            Palatine             Cook                  IL      60074
 79   2055, 2035 and 2060 Reading Road                        Cincinnati           Hamilton              OH      45202
 83   1626 Ringling Boulevard                                 Sarasota             Sarasota              FL      34236
 84   5630 Dillard Drive                                      Cary                 Wake                  NC      27518
 86   1150 West State Road 84                                 Fort Lauderdale      Broward               FL      33315
 88   7303 West Denton Street                                 Boise                Ada                   ID      83704
 91   15700 37th Avenue North                                 Plymouth             Hennepin              MN      55445
 92   1281-1283 Murfreesboro Road                             Nashville            Davidson              TN      37217
101   4415 Metro Parkway                                      Fort Myers           Lee                   FL      33916
103   7514 Redwood Boulevard                                  Novato               Marin                 CA      94945
104   296 Austin Road                                         Waterbury            New Haven             CT      06705
106   31055 Huntwood Avenue                                   Hayward              Alameda               CA      94544
111   33 Village Parkway                                      Circle Pines         Anoka                 MN      55014
113   1127, 1129 and 1131 South Fremont Avenue                Alhambra             Los Angeles           CA      91803
116   2201 Loreco Street                                      Bossier City         Bossier               LA      71112
117   1800 Camelot Drive                                      Virginia Beach       Virginia Beach City   VA      23454
118   15915 East Indiana Avenue                               Spokane Valley       Spokane               WA      99216
120   5563 Western Boulevard                                  Raleigh              Wake                  NC      27606
127   3199 White Sands Boulevard                              Alamogordo           Otero                 NM      88310
130   190 Ashton Court                                        Clifton Springs      Ontario               NY      14432
131   4220 Preston Road                                       Frisco               Collin                TX      75034
132   4232-4262 Camino Del Rio North                          San Diego            San Diego             CA      92108
134   3699 Hamner Avenue                                      Norco                Riverside             CA      92860
136   7550, 7560 and 7570 Orangethorpe Avenue                 Buena Park           Orange                CA      90621
138   1410 East 10th Street                                   Brooklyn             Kings                 NY      11230
139   4570, 4588 and 4590 North Rancho Drive                  Las Vegas            Clark                 NV      89130
141   4747-4751 State Street & 4748-4762 Mission Boulevard    Ontario              San Bernardino        CA      91762
144   5321 Central Avenue                                     Hot Springs          Garland               AR      71913
148   200 Beasley Drive                                       Franklin             Williamson            TN      37064
149   115, 129, 145 Bloomington Avenue                        Bremerton            Kitsap                WA      98312
151   10033 Juniper Avenue                                    Fontana              San Bernardino        CA      92335
156   1169 Saxon Boulevard                                    Orange City          Volusia               FL      32763
160   1930 Edwards Lake Road                                  Trussville           Jefferson             AL      35235
163   1313 West San Bernardino Road                           Covina               Los Angeles           CA      91722
165   1390-1426 East Main Street                              Shrub Oak            Westchester           NY      10588
166   13760 North 93rd Avenue                                 Peoria               Maricopa              AZ      85381
170   2233 Southeast Military Drive                           San Antonio          Bexar                 TX      78223
172   800 Forest Gate Center                                  Pisgah Forest        Transylvania          NC      28768
173   753 Odd Fellow Road                                     Crowley              Acadia                LA      70526
175   12365 County Road 2                                     Brighton             Weld                  CO      80603
177   1250 Barrett Lake Road                                  Dulzura              San Diego             CA      91917
183   10559 Citation Drive                                    Brighton             Livingston            MI      48116
185   1776 Woodstead Court                                    The Woodlands        Montgomery            TX      77380
186   800 North Overland Avenue                               Burley               Cassia                ID      83318
187
187a  6780 Mableton Parkway                                   Mableton             Cobb                  GA      30126
187b  2609 Old Covington Highway                              Conyers              Rockdale              GA      30012
188   4443 Ocean Drive                                        Corpus Christi       Nueces                TX      78412
189   3705 North 124th Street                                 Brookfield           Waukesha              WI      53005
191   1212 Glen Garden Drive                                  Fort Worth           Tarrant               TX      76104
193   4982-4996 Palm Coast Parkway Northwest                  Palm Coast           Flagler               FL      32137
195   1831 Lake Pine Drive                                    Cary                 Wake                  NC      27511
197   1150 Chase Street                                       Athens               Clarke                GA      30601
199   133 Church Hill Road                                    Robinson             Allegheny             PA      15136
200   1201 West Clay Street                                   Richmond             Richmond City         VA      23220
201   3202 South Orlando Drive                                Sanford              Seminole              FL      32773
204   7900 Creekbend Drive                                    Houston              Harris                TX      77071
206   8180 South 700 East Street                              Sandy                Salt Lake             UT      84070
208   1776-1782 North High Street                             Columbus             Franklin              OH      43215
209   7101 Jurupa Avenue                                      Riverside            Riverside             CA      92504
210   26125 South Highway 27                                  Leesburg             Lake                  FL      34748
214   817 West Pioneer Parkway                                Grand Prairie        Dallas                TX      75051
217   7049 Arundel Mills Boulevard                            Hanover              Anne Arundel          MD      21076
219   4995 Merle Hay Road                                     Des Moines           Polk                  IA      50322
220   300-310 East Warm Springs Road                          Las Vegas            Clark                 NV      89119
221   6505-6533 East State Boulevard                          Fort Wayne           Allen                 IN      46815
222   700 Sandy Plains Road                                   Marietta             Cobb                  GA      30066
223   7069 Arundel Mills Boulevard                            Hanover              Anne Arundel          MD      21076
226   3120 Willow Knolls Road                                 Peoria               Peoria                IL      61614
230   319-323 Route 22 East                                   Green Brook          Somerset              NJ      08812
231   4400 Lawrenceville Highway                              Lilburn              Gwinnett              GA      30047
232   1468 16th Avenue                                        Kenosha              Kenosha               WI      53140
234   400 Ivy Avenue                                          Waco                 McLennan              TX      76706
237   3935 Western Avenue                                     Knoxville            Knox                  TN      37921
238   4915 FM 2920 Road                                       Spring               Harris                TX      77388
240   380-384 Prospect Place                                  Brooklyn             Kings                 NY      11238
245   100 West Foothill Boulevard                             Azusa                Los Angeles           CA      91702
248   12-14 Peachtree Avenue                                  Atlanta              Fulton                GA      30305
250   1930 State Highway 6 South                              Sugar Land           Fort Bend             TX      77478
253   25780 Miles Road                                        Bedford Heights      Cuyahoga              OH      44146
254   494, 496 and 498 South Hamilton Road                    Columbus             Frankilin             OH      43213
255   3315 Belt Line Road                                     Garland              Dallas                TX      75044
256
256a  1130 Kildaire Farm Road                                 Cary                 Wake                  NC      27511
256b  5509 Creedmoor Road                                     Raleigh              Wake                  NC      27612
258   5929-5947 Jimmy Carter Boulevard                        Norcross             Gwinnett              GA      30071
260   256 Green Bay Road                                      Highwood             Lake                  IL      60040
262   2246-2260 Marietta Boulevard                            Atlanta              Fulton                GA      30318
264   700-716 Market Street and 310 Kildaire Road             Chapel Hill          Orange                NC      27516
265   11611 West Airport                                      Stafford             Fort Bend             TX      77477
267   4042 Curtice Road                                       Northwood            Wood                  OH      43619
268   7101 West 91st Street                                   Overland Park        Johnson               KS      66212
271   900 South Egg Harbor Road                               Hammonton Township   Atlantic              NJ      08037
272   4780 Harrison Boulevard                                 Ogden                Weber                 UT      84403
276   15-45 Elam Street                                       New Britain          Hartford              CT      06053
277   1326 Cherry Way                                         Gahanna              Franklin              OH      43230
281   1615-1619 North Hampton Road                            Desoto               Dallas                TX      75115
282   3825 West Jolly Road                                    Lansing              Ingham                MI      48911
284   3930 Southwest Twilight Drive                           Topeka               Shawnee               KS      66614
288   4174 Wheatley Road                                      Richfield            Summit                OH      44286
289   4832 Illinois Road                                      Fort Wayne           Allen                 IN      46804
290   2711 Mar Vista Drive                                    Aptos                Santa Cruz            CA      95003
292   13544 Route 30                                          Plainfield           Will                  IL      60544
294   1520 East 17th Street                                   Wichita              Sedgwick              KS      67214
299   301 Constitution Avenue                                 Copperas Cove        Coryell               TX      76522
303   22529 Parsons Circle                                    Cape Charles         Northampton           VA      23310
304   6709-6749 South 73rd Circle                             Ralston              Douglas               NE      68127
310   1204 County House Lane                                  Marietta             Washington            OH      45750
312   75, 115, 171, 231, 232, 255, 256 and                    Celoron              Chautauqua            NY      14720
      283 Marine Park Drive
314   2636 Frankford Road                                     Dallas               Denton                TX      75287
315   2650 Demory Lane                                        Aransas Pass         San Patricio          TX      78336
318   4402 Riverbend Drive                                    San Angelo           Tom Green             TX      76903
319   640 East Broadway Boulevard                             Jefferson City       Jefferson             TN      37760
323   4177 Montgomery Highway                                 Dothan               Houston               AL      36303
324   1264, 1266 and 1282 Alverser Plaza                      Midlothian           Chesterfield          VA      23113
325   15611 South Helmer Road                                 Battle Creek         Calhoun               MI      49015
328   500 and 619 East Armour Boulevard and                   Kansas City          Jackson               MO      64109
      3421 and 3425 Locust Street
329   32 Lakeview Drive                                       Lakewood             Chautauqua            NY      14750
331   95 Rock Garden Place                                    Dahlonega            Lumpkin               GA      30533
335   2305 Metzgar Road Southwest                             Albuquerque          Bernalillo            NM      87105
336   5 Pebbleridge Drive                                     Medina               Orleans               NY      14103
338   1126 Dewey Avenue                                       Rochester            Monroe                NY      14613
340   3424 Chandler Creek Road                                Virginia Beach       Virginia Beach City   VA      23453
342   6059 East Brown Road                                    Mesa                 Maricopa              AZ      85205
344   4511 Lucksinger Lane                                    Austin               Travis                TX      78745
346   179-183 Clinton Road                                    New Hartford         Oneida                NY      13413
348   5802 Joiner Road                                        San Antonio          Bexar                 TX      78238
349   1-11 San Pedro Road                                     Colma                San Mateo             CA      94014
350   3900 North Prince Street                                Clovis               Curry                 NM      88101
357   3300 West Illinois Avenue                               Midland              Midland               TX      79703

<CAPTION>
                     Units/
                     Sq. Ft./                                  Orig            Rem.            Orig           Rem.
      Property       Rooms/      Original       Cut-off        Amort.          Amort.          Term to        Term to
#     Type           Pads        Balance        Balance (1)    Term            Term (1)        Maturity (2)   Maturity (1) (2)
---   ------------   ---------   ------------   ------------   -------------   -------------   ------------   ----------------
<S>   <C>            <C>         <C>            <C>            <C>             <C>             <C>            <C>
  1   Office         2,236,139   $806,000,000   $806,000,000   Interest Only   Interest Only            120                120
  2   Office         1,206,807   $300,000,000   $300,000,000             360             360            120                117
  3                              $195,095,563   $195,095,563             364             364            120                112
3a    Multifamily          350    $27,884,247    $27,884,247
3b    Multifamily          504    $23,034,510    $23,034,510
3c    Multifamily          240    $21,709,798    $21,709,798
3d    Multifamily          270    $21,688,429    $21,688,429
3e    Multifamily          580    $18,388,860    $18,388,860
3f    Multifamily          144    $14,603,155    $14,603,155
3g    Multifamily          290    $11,679,078    $11,679,078
3h    Multifamily          236    $10,555,186    $10,555,186
3i    Multifamily          235    $10,270,160    $10,270,160
3j    Multifamily          310     $9,847,439     $9,847,439
3k    Multifamily          193     $9,645,316     $9,645,316
3l    Multifamily          127     $5,828,682     $5,828,682
3m    Multifamily          128     $5,200,925     $5,200,925
3n    Multifamily          112     $4,759,778     $4,759,778
  4   Hotel                376   $181,000,000   $181,000,000   Interest Only   Interest Only            120                118
  5   Hotel                316   $100,000,000   $100,000,000             360             360            120                120
  6   Hotel                220   $100,000,000   $100,000,000             360             360            120                117
 12   Office           731,716    $81,000,000    $81,000,000             360             360            120                117
 15   Retail            17,317    $60,000,000    $60,000,000   Interest Only   Interest Only            156                141
 16   Office           450,090    $48,750,000    $48,750,000             360             360            120                118
 17                               $47,000,000    $47,000,000   Interest Only   Interest Only             60                 58
17a   Multifamily          428    $25,401,830    $25,401,830
17b   Multifamily          275    $14,983,110    $14,983,110
17c   Multifamily          120     $6,615,060     $6,615,060
 18   Multifamily          770    $28,150,000    $28,150,000             360             360            120                117
 19   Multifamily          378    $11,300,000    $11,300,000             360             360            120                117
 20   Multifamily          196     $7,050,000     $7,050,000             360             360            120                117
 22   Multifamily          397    $43,000,000    $43,000,000             360             360            121                120

 23   Office           455,813    $42,350,000    $42,350,000             360             360             60                 57
 25                               $39,874,381    $39,874,381             360             360            117                112
25a   Multifamily          308    $22,807,110    $22,807,110
25b   Multifamily          356    $17,067,271    $17,067,271
 31   Office           219,173    $33,155,250    $33,155,250             360             360            118                117
 33   Office           287,990    $32,000,000    $32,000,000             360             360            120                118
 36   Multifamily          161    $25,000,000    $25,000,000             360             360            120                112
 38   Office           145,769    $24,400,000    $24,400,000   Interest Only   Interest Only            120                119
 39   Hotel                 65    $23,400,000    $23,316,259             300             297             60                 57
 40   Hotel                231    $22,000,000    $21,897,697             300             296            120                116
 42   Office           140,341    $21,257,095    $21,257,095             360             360            118                117
 43   Retail           808,965    $20,200,000    $20,200,000             324             324            120                115
 44   Office           120,382    $19,360,000    $19,360,000             360             360            118                111
 50                               $18,119,496    $18,119,496             360             360            120                114
50a   Retail            30,180     $3,814,694     $3,814,694
50b   Retail            32,200     $3,760,000     $3,760,000
50c   Retail            33,700     $3,720,000     $3,720,000
50d   Retail            22,900     $2,929,390     $2,929,390
50e   Retail            20,500     $2,294,390     $2,294,390
50f   Retail            11,600     $1,601,022     $1,601,022
 52   Office           151,716    $17,748,000    $17,748,000             360             360            120                118
 57   Office           120,775    $16,400,000    $16,400,000             360             360            120                118
 58   Office           101,525    $16,024,164    $16,024,164             360             360            118                117
 59   Retail           127,621    $16,000,000    $16,000,000             360             360            120                118
 60   Retail           114,118    $15,094,000    $15,055,231             360             357            121                118
 61   Office            69,448    $14,800,000    $14,800,000             360             360            121                118
 62   Office           116,371    $14,501,000    $14,501,000             360             360            121                118
 64   Multifamily          268    $14,100,000    $14,100,000             360             360            120                118
 65   Multifamily          288    $13,650,000    $13,628,664             360             358            120                118
 67   Office            87,092    $13,577,550    $13,577,550             360             360            118                117
 68   Office            97,205    $13,564,177    $13,564,177             360             360            118                117
 70   Retail           126,295    $13,200,000    $13,200,000             360             360            120                118
 71   Retail           122,061    $13,000,000    $13,000,000   Interest Only   Interest Only            120                119
 72   Retail            58,277    $12,375,000    $12,375,000             360             360            120                118
 73                               $11,800,000    $11,773,389             300             298            120                118
73a   Hotel                128     $8,350,000     $8,331,170
73b   Hotel                139     $3,450,000     $3,442,220
 78   Multifamily          212    $10,650,000    $10,650,000             360             360            121                119
 79   Office           106,821    $10,300,000    $10,300,000             360             360            121                118
 83   Office            38,420     $9,850,000     $9,834,976             360             358            119                117
 84   Hotel                120     $9,300,000     $9,279,027             300             298            120                118
 86   Hotel                100     $8,500,000     $8,468,486             300             297            120                117
 88   Hotel                104     $8,120,000     $8,114,026             360             359            120                119
 91   Office            48,703     $7,800,000     $7,800,000             360             360            121                118
 92   Office           147,598     $7,750,000     $7,750,000             360             360            120                118
101   Office            56,243     $6,950,000     $6,950,000             360             360            122                119
103   Retail            20,043     $6,635,000     $6,635,000             360             360            120                119
104   Multifamily          104     $6,600,000     $6,592,126             300             299            120                119
106   Industrial       128,580     $6,450,000     $6,450,000             360             360            121                119
111   Multifamily           50     $6,226,000     $6,226,000             360             360            120                119
113   Retail            17,838     $6,158,000     $6,158,000             360             360            120                117
116   Multifamily          280     $6,000,000     $5,973,034             360             355            121                116
117   Office            40,725     $5,925,000     $5,915,988             360             358            121                119
118   Hotel                 84     $5,760,000     $5,755,762             360             359            120                119
120   Retail            62,558     $5,500,000     $5,500,000             360             360            120                118
127   Retail           266,566     $5,000,000     $5,000,000             360             360            120                117
130   Mixed Use             77     $5,000,000     $4,990,401             360             357            120                117
131   Hotel                 61     $5,000,000     $4,988,654             300             298            120                118
132   Retail            37,411     $5,000,000     $4,988,028             360             357            120                117
134   Retail            16,017     $4,983,000     $4,967,313             360             356            120                116
136   Retail            11,292     $4,860,000     $4,860,000             360             360            120                119
138   Multifamily           43     $4,770,000     $4,760,491             300             298            120                118
139   Retail            19,500     $4,635,000     $4,635,000             360             360            120                114
141   Industrial       100,595     $4,500,000     $4,493,434             360             358            120                118
144   Hotel                 88     $4,425,000     $4,414,730             300             298            120                118
148   Industrial       152,562     $4,370,000     $4,370,000             360             360            120                120
149   Multifamily          117     $4,283,000     $4,269,618             360             356            120                116
151   Multifamily           56     $4,127,000     $4,116,119             360             357            121                118
156   Retail            12,800     $4,000,000     $4,000,000             360             360            120                117
160   Retail            31,344     $4,000,000     $3,989,824             360             357            121                118
163   Multifamily           23     $3,900,000     $3,900,000             360             360            120                116
165   Retail            18,885     $3,904,000     $3,894,744             360             357            120                117
166   Office            25,778     $3,886,000     $3,880,202             360             358            120                118
170   Multifamily          210     $3,850,000     $3,840,599             360             357            120                117
172   Hotel                 80     $3,800,000     $3,795,647             300             299            120                119
173   Retail            27,228     $3,781,000     $3,781,000             360             360            120                118
175   Multifamily          101     $3,800,000     $3,770,238             360             352            120                112
177   Multifamily           86     $3,700,000     $3,700,000             360             360            120                114
183   Office            44,332     $3,600,000     $3,588,951             360             356            120                116
185   Office            39,139     $3,500,000     $3,494,588             360             358            120                118
186   Hotel                126     $3,500,000     $3,486,855             300             297            120                117
187                                $3,475,000     $3,457,890             300             296            120                116
187a  Self Storage      58,575     $2,600,000     $2,587,198
187b  Self Storage      33,975       $875,000       $870,692
188   Multifamily           99     $3,450,000     $3,450,000             360             360            120                120
189   Retail            14,500     $3,450,000     $3,441,160             360             357            120                117
191   Multifamily          154     $3,400,000     $3,388,467             360             356            121                117
193   Retail            32,400     $3,340,000     $3,327,200             300             297            121                118
195   Retail            15,569     $3,205,000     $3,205,000             360             360            115                114
197   Self Storage      61,057     $3,150,000     $3,145,404             360             358            120                118
199   Office            21,791     $3,125,000     $3,125,000             360             360            121                119
200   Multifamily           37     $3,100,000     $3,097,826             360             359            121                120
201   Multifamily           88     $3,075,000     $3,067,492             360             357            122                119
204   Multifamily          130     $3,000,000     $3,000,000             360             360            120                117
206   Office            35,032     $3,000,000     $2,989,749             360             356            121                117
208   Retail            12,900     $2,950,000     $2,950,000             360             360            120                117
209   Industrial        51,014     $2,934,000     $2,929,635             360             358            120                118
210   Multifamily          153     $2,900,000     $2,900,000             360             360            122                119
214   Retail            43,351     $2,798,000     $2,794,242             360             358            120                118
217   Retail             7,000     $2,780,000     $2,776,112             360             358            120                118
219   Hotel                117     $2,750,000     $2,735,415             300             296            120                116
220   Retail            18,250     $2,724,000     $2,724,000             360             360            119                118
221   Retail            29,220     $2,727,000     $2,717,348             240             238            240                238
222   Retail            51,538     $2,670,000     $2,646,147             360             351            120                111
223   Retail            10,000     $2,625,000     $2,621,329             360             358            120                118
226   Multifamily           92     $2,590,000     $2,590,000             360             360            120                117
230   Retail            32,110     $2,550,000     $2,548,207             360             359            120                119
231   Self Storage      65,890     $2,525,000     $2,523,163             360             359            120                119
232   Multifamily          112     $2,500,000     $2,500,000             360             360            120                118
234   Multifamily           77     $2,500,000     $2,488,944             360             355            120                115
237   Retail            53,059     $2,450,000     $2,446,574             360             358            120                118
238   Retail            19,960     $2,420,000     $2,416,538             360             358            120                118
240   Multifamily           24     $2,400,000     $2,396,498             360             358            121                119
245   Retail             9,363     $2,300,000     $2,296,606             360             358            120                118
248   Multifamily           18     $2,205,000     $2,201,431             360             358            120                118
250   Retail             7,932     $2,199,000     $2,199,000             360             360            120                117
253   Mixed Use         21,047     $2,200,000     $2,194,694             300             298            121                119
254   Multifamily          162     $2,200,000     $2,194,536             360             357            120                117
255   Retail            29,126     $2,200,000     $2,192,969             360             356            120                116
256                                $2,185,000     $2,181,918             360             358            120                118
256a  Office            17,422     $1,185,000     $1,183,329
256b  Office            10,631     $1,000,000       $998,589
258   Retail            16,999     $2,182,000     $2,176,877             360             357            120                117
260   Retail            11,992     $2,170,000     $2,166,913             360             358            120                118
262   Industrial        50,684     $2,127,000     $2,124,177             360             358            120                118
264   Retail            16,684     $2,100,000     $2,098,416             360             359            120                119
265   Retail            13,129     $2,100,000     $2,094,696             360             357            121                118
267   Multifamily           38     $2,050,000     $2,050,000             360             360            120                118
268   Retail             7,500     $2,020,000     $2,020,000             360             360            120                118
271   Self Storage      50,400     $2,000,000     $1,989,523             360             354            120                114
272   Retail            10,479     $1,950,000     $1,943,288             360             356            121                117
276   Multifamily           56     $1,831,000     $1,828,534             360             358            120                118
277   Office            14,398     $1,760,000     $1,760,000             360             360            118                118
281   Retail            38,127     $1,750,000     $1,742,956             360             355            120                115
282   Retail            11,180     $1,729,000     $1,726,698             360             358            120                118
284   Multifamily           74     $1,700,000     $1,700,000             360             360            122                119
288   Retail            15,964     $1,700,000     $1,694,539             360             356            121                117
289   Retail            12,141     $1,700,000     $1,682,523             240             235            239                234
290   Multifamily           48     $1,660,000     $1,658,789             360             359            120                119
292   Retail             7,970     $1,635,000     $1,635,000             360             360            121                118
294   Multifamily           66     $1,620,000     $1,617,837             360             358            120                118
299   Retail            15,600     $1,600,000     $1,597,619             360             358            120                118
303   Self Storage      44,357     $1,525,000     $1,523,912             360             359            120                119
304   Multifamily           54     $1,504,000     $1,504,000             360             360            122                112
310   Multifamily           69     $1,400,000     $1,396,842             360             357            121                118
312   Multifamily           49     $1,400,000     $1,394,021             360             355            120                115

314   Retail            13,136     $1,350,000     $1,345,685             360             356            120                116
315   Retail            13,472     $1,340,000     $1,340,000             360             360            120                118
318   Multifamily          160     $1,296,000     $1,290,658             360             355            120                115
319   Retail            10,560     $1,280,000     $1,278,037             360             358            121                119
323   Retail            12,000     $1,250,000     $1,247,058             360             357            120                117
324   Retail             5,200     $1,235,000     $1,234,109             360             359            120                119
325   Self Storage      40,150     $1,200,000     $1,198,454             360             358            121                119
328   Multifamily           94     $1,200,000     $1,197,127             360             357            120                117

329   Multifamily           48     $1,173,000     $1,167,991             360             355            120                115
331   Multifamily           40     $1,100,000     $1,097,308             360             357            120                117
335   Multifamily           46     $1,000,000       $995,020             300             296            121                117
336   Multifamily           94       $950,000       $949,326             360             359            120                119
338   Multifamily           37       $915,000       $911,300             360             355            120                115
340   Industrial        10,400       $880,000       $879,392             360             359            120                119
342   Retail             3,275       $824,000       $821,366             360             356            122                118
344   Multifamily           56       $800,000       $799,474             360             359            120                119
346   Multifamily           16       $750,000       $749,492             360             359            120                119
348   Self Storage      39,480       $750,000       $748,509             360             357            120                117
349   Mixed Use          8,800       $750,000       $747,915             360             356            120                116
350   Retail             7,200       $750,000       $747,194             300             297            120                117
357   Retail             4,343       $400,000       $399,068             360             357            120                117

<CAPTION>

                            Net                                                       First
      Interest              Interest            Interest Calculation    Monthly       Payment       Maturity
#     Rate                  Rate                (30/360 / Actual/360)   Payment (3)   Date          Date         ARD (4)
---   ------------------    ----------------    ---------------------   -----------   -----------   ----------   -------
<S>   <C>                   <C>                 <C>                     <C>           <C>           <C>          <C>
  1                5.770%              5.749%   Actual/360               $3,929,343   10/11/2006    9/11/2016    N/A
  2   6.7541946022727300%              6.734%   Actual/360               $2,835,389   7/11/2006     6/11/2016    N/A
  3          5.559927773%        5.539327773%   Actual/360               $1,110,856   2/11/2006     1/11/2016    N/A
3a
3b
3c
3d
3e
3f
3g
3h
3i
3j
3k
3l
3m
3n
  4               6.3725%              6.352%   Actual/360                 $974,535   8/11/2006     7/11/2016    N/A
  5                6.345%              6.324%   Actual/360                 $621,909   10/11/2006    9/11/2016    N/A
  6                6.642%              6.621%   Actual/360                 $641,435   7/11/2006     6/11/2016    N/A
 12            6.2440620%          6.2234620%   Actual/360                 $498,418   7/11/2006     6/11/2016    N/A
 15                4.966%              4.945%   Actual/360                 $251,749   7/11/2005     6/11/2018    N/A
 16                6.426%              6.405%   Actual/360                 $305,765   8/11/2006     7/11/2016    N/A
 17     7.23341489361702%   7.21281489361702%   Actual/360                 $287,244   8/11/2006     7/11/2011    N/A
17a
17b
17c
 18                6.685%              6.644%   Actual/360                 $181,366   7/11/2006     6/11/2016    N/A
 19                6.685%              6.644%   Actual/360                  $72,804   7/11/2006     6/11/2016    N/A
 20                6.685%              6.644%   Actual/360                  $45,422   7/11/2006     6/11/2016    N/A
 22                6.330%              6.299%   Actual/360                 $267,000   9/11/2006     9/11/2016    N/A

 23                6.570%              6.549%   Actual/360                 $269,633   7/11/2006     6/11/2011    N/A
 25                5.980%              5.959%   Actual/360                 $238,555   5/11/2006     1/11/2016    N/A
25a
25b
 31                6.260%              6.239%   Actual/360                 $204,358   9/11/2006     6/11/2016    N/A
 33                6.140%              6.119%   Actual/360                 $194,746   8/11/2006     7/11/2016    N/A
 36                6.080%              6.059%   Actual/360                 $151,176   2/11/2006     1/11/2016    N/A
 38             6.259835%              6.239%   Actual/360                 $129,051   9/11/2006     8/11/2016    N/A
 39                6.630%              6.609%   Actual/360                 $159,905   7/11/2006     6/11/2011    N/A
 40                6.710%              6.689%   Actual/360                 $151,445   6/11/2006     5/11/2016    N/A
 42                6.260%              6.239%   Actual/360                 $131,022   9/11/2006     6/11/2016    N/A
 43                5.940%              5.919%   Actual/360                 $125,289   5/11/2006     4/11/2016    N/A
 44                5.410%              5.389%   Actual/360                 $108,833   3/11/2006     12/11/2015   N/A
 50                5.860%              5.779%   Actual/360                 $107,010   4/11/2006     3/11/2016    N/A
50a
50b
50c
50d
50e
50f
 52                6.180%              6.159%   Actual/360                 $108,471   8/11/2006     7/11/2016    N/A
 57                6.320%              6.269%   Actual/360                 $101,725   8/11/2006     7/11/2016    N/A
 58                6.260%              6.239%   Actual/360                  $98,768   9/11/2006     6/11/2016    N/A
 59                6.340%              6.319%   Actual/360                  $99,453   8/11/2006     7/11/2016    N/A
 60                6.160%              6.139%   Actual/360                  $92,055   7/11/2006     7/11/2016    N/A
 61                6.200%              6.139%   Actual/360                  $90,645   7/11/2006     7/11/2016    N/A
 62                6.340%              6.319%   Actual/360                  $90,136   7/11/2006     7/11/2016    N/A
 64                5.960%              5.939%   Actual/360                  $84,174   8/11/2006     7/11/2016    N/A
 65                6.230%              6.209%   Actual/360                  $83,868   8/11/2006     7/11/2016    N/A
 67                6.260%              6.239%   Actual/360                  $83,688   9/11/2006     6/11/2016    N/A
 68                6.260%              6.239%   Actual/360                  $83,605   9/11/2006     6/11/2016    N/A
 70                6.020%              5.999%   Actual/360                  $79,310   8/11/2006     7/11/2016    N/A
 71                6.010%              5.989%   Actual/360                  $66,013   9/11/2006     8/11/2016    N/A
 72                6.140%              6.119%   Actual/360                  $75,312   8/11/2006     7/11/2016    N/A
 73                6.630%              6.609%   Actual/360                  $80,636   8/11/2006     7/11/2016    N/A
73a
73b
 78                6.180%              6.159%   Actual/360                  $65,090   8/11/2006     8/11/2016    N/A
 79                6.240%              6.179%   Actual/360                  $63,352   7/11/2006     7/11/2016    N/A
 83                6.320%              6.299%   Actual/360                  $61,097   8/11/2006     6/11/2016    N/A
 84                6.630%              6.609%   Actual/360                  $63,552   8/11/2006     7/11/2016    N/A
 86                6.440%              6.419%   Actual/360                  $57,074   7/11/2006     6/11/2016    N/A
 88                6.440%              6.419%   Actual/360                  $51,004   9/11/2006     8/11/2016    N/A
 91                6.350%              6.289%   Actual/360                  $48,534   7/11/2006     7/11/2016    N/A
 92                6.450%              6.349%   Actual/360                  $48,731   8/11/2006     7/11/2016    N/A
101                6.200%              6.159%   Actual/360                  $42,567   7/11/2006     8/11/2016    N/A
103                6.020%              5.959%   Actual/360                  $39,866   9/11/2006     8/11/2016    N/A
104                6.340%              6.319%   Actual/360                  $43,906   9/11/2006     8/11/2016    N/A
106                6.280%              6.169%   Actual/360                  $39,840   8/11/2006     8/11/2016    N/A
111                5.980%              5.959%   Actual/360                  $37,248   9/11/2006     8/11/2016    N/A
113                6.310%              6.289%   Actual/360                  $38,156   7/11/2006     6/11/2016    N/A
116                6.030%              6.009%   Actual/360                  $36,089   5/11/2006     5/11/2016    N/A
117                6.330%              6.309%   Actual/360                  $36,790   8/11/2006     8/11/2016    N/A
118                6.440%              6.419%   Actual/360                  $36,180   9/11/2006     8/11/2016    N/A
120                6.100%              6.079%   Actual/360                  $33,330   8/11/2006     7/11/2016    N/A
127                6.530%              6.509%   Actual/360                  $31,702   7/11/2006     6/11/2016    N/A
130                7.310%              7.289%   Actual/360                  $34,313   7/11/2006     6/11/2016    N/A
131                6.600%              6.579%   Actual/360                  $34,073   8/11/2006     7/11/2016    N/A
132                6.450%              6.429%   Actual/360                  $31,439   7/11/2006     6/11/2016    N/A
134                6.440%              6.419%   Actual/360                  $31,300   6/11/2006     5/11/2016    N/A
136                6.415%              6.394%   Actual/360                  $30,447   9/11/2006     8/11/2016    N/A
138                7.210%              7.189%   Actual/360                  $34,355   8/11/2006     7/11/2016    N/A
139                5.960%              5.939%   Actual/360                  $27,670   4/11/2006     3/11/2016    N/A
141                6.480%              6.459%   Actual/360                  $28,384   8/11/2006     7/11/2016    N/A
144                6.490%              6.469%   Actual/360                  $29,850   8/11/2006     7/11/2016    N/A
148                6.325%              6.284%   Actual/360                  $27,120   10/11/2006    9/11/2016    N/A
149                6.470%              6.449%   Actual/360                  $26,987   6/11/2006     5/11/2016    N/A
151                6.050%              6.029%   Actual/360                  $24,876   7/11/2006     7/11/2016    N/A
156                6.130%              6.069%   Actual/360                  $24,317   7/11/2006     6/11/2016    N/A
160                6.200%              6.179%   Actual/360                  $24,499   7/11/2006     7/11/2016    N/A
163                6.130%              6.109%   Actual/360                  $23,709   6/11/2006     5/11/2016    N/A
165                6.490%              6.419%   Actual/360                  $24,650   7/11/2006     6/11/2016    N/A
166                6.400%              6.379%   Actual/360                  $24,307   8/11/2006     7/11/2016    N/A
170                6.370%              6.349%   Actual/360                  $24,006   7/11/2006     6/11/2016    N/A
172                6.540%              6.519%   Actual/360                  $25,753   9/11/2006     8/11/2016    N/A
173                6.280%              6.259%   Actual/360                  $23,354   8/11/2006     7/11/2016    N/A
175                5.860%              5.839%   Actual/360                  $22,442   2/11/2006     1/11/2016    N/A
177                5.820%              5.709%   Actual/360                  $21,757   4/11/2006     3/11/2016    N/A
183                6.540%              6.519%   Actual/360                  $22,849   6/11/2006     5/11/2016    N/A
185                6.270%              6.249%   Actual/360                  $21,596   8/11/2006     7/11/2016    N/A
186                6.370%              6.349%   Actual/360                  $23,349   7/11/2006     6/11/2016    N/A
187                6.410%              6.299%   Actual/360                  $23,268   6/11/2006     5/11/2016    N/A
187a
187b
188                6.100%              6.079%   Actual/360                  $20,907   10/11/2006    9/11/2016    N/A
189                6.170%              6.149%   Actual/360                  $21,063   7/11/2006     6/11/2016    N/A
191                6.140%              6.119%   Actual/360                  $20,692   6/11/2006     6/11/2016    N/A
193                6.260%              6.239%   Actual/360                  $22,054   7/11/2006     7/11/2016    N/A
195                5.800%              5.739%   Actual/360                  $18,805   9/11/2006     3/11/2016    N/A
197                6.480%              6.459%   Actual/360                  $19,869   8/11/2006     7/11/2016    N/A
199                6.230%              6.159%   Actual/360                  $19,201   8/11/2006     8/11/2016    N/A
200                6.610%              6.589%   Actual/360                  $19,819   9/11/2006     9/11/2016    N/A
201                6.370%              6.349%   Actual/360                  $19,174   7/11/2006     8/11/2016    N/A
204                6.240%              6.219%   Actual/360                  $18,452   7/11/2006     6/11/2016    N/A
206                6.110%              6.089%   Actual/360                  $18,199   6/11/2006     6/11/2016    N/A
208                6.000%              5.979%   Actual/360                  $17,687   7/11/2006     6/11/2016    N/A
209                6.410%              6.389%   Actual/360                  $18,372   8/11/2006     7/11/2016    N/A
210                6.400%              6.379%   Actual/360                  $18,140   7/11/2006     8/11/2016    N/A
214                6.770%              6.749%   Actual/360                  $18,185   8/11/2006     7/11/2016    N/A
217                6.630%              6.609%   Actual/360                  $17,810   8/11/2006     7/11/2016    N/A
219                6.010%              5.989%   Actual/360                  $17,735   6/11/2006     5/11/2016    N/A
220                6.360%              6.339%   Actual/360                  $16,968   9/11/2006     7/11/2016    N/A
221                6.850%              6.829%   Actual/360                  $20,898   8/11/2006     7/11/2026    N/A
222                5.750%              5.729%   Actual/360                  $15,581   1/11/2006     12/11/2015   N/A
223                6.630%              6.609%   Actual/360                  $16,817   8/11/2006     7/11/2016    N/A
226                6.570%              6.549%   Actual/360                  $16,490   7/11/2006     6/11/2016    N/A
230                6.600%              6.579%   Actual/360                  $16,286   9/11/2006     8/11/2016    N/A
231                6.480%              6.369%   Actual/360                  $15,927   9/11/2006     8/11/2016    N/A
232                6.270%              6.249%   Actual/360                  $15,425   8/11/2006     7/11/2016    N/A
234                6.100%              6.079%   Actual/360                  $15,150   5/11/2006     4/11/2016    N/A
237                6.630%              6.609%   Actual/360                  $15,696   8/11/2006     7/11/2016    N/A
238                6.550%              6.529%   Actual/360                  $15,376   8/11/2006     7/11/2016    N/A
240                6.480%              6.459%   Actual/360                  $15,138   8/11/2006     8/11/2016    N/A
245                6.440%              6.369%   Actual/360                  $14,447   8/11/2006     7/11/2016    N/A
248                6.100%              6.079%   Actual/360                  $13,362   8/11/2006     7/11/2016    N/A
250                6.420%              6.399%   Actual/360                  $13,784   7/11/2006     6/11/2016    N/A
253                6.300%              6.229%   Actual/360                  $14,581   8/11/2006     8/11/2016    N/A
254                6.300%              6.279%   Actual/360                  $13,617   7/11/2006     6/11/2016    N/A
255                6.380%              6.359%   Actual/360                  $13,732   6/11/2006     5/11/2016    N/A
256                6.600%              6.579%   Actual/360                  $13,955   8/11/2006     7/11/2016    N/A
256a
256b
258                6.530%              6.469%   Actual/360                  $13,835   7/11/2006     6/11/2016    N/A
260                6.570%              6.549%   Actual/360                  $13,816   8/11/2006     7/11/2016    N/A
262                6.810%              6.789%   Actual/360                  $13,881   8/11/2006     7/11/2016    N/A
264                6.350%              6.329%   Actual/360                  $13,067   9/11/2006     8/11/2016    N/A
265                6.230%              6.209%   Actual/360                  $12,903   7/11/2006     7/11/2016    N/A
267                6.330%              6.309%   Actual/360                  $12,729   8/11/2006     7/11/2016    N/A
268                6.580%              6.559%   Actual/360                  $12,874   8/11/2006     7/11/2016    N/A
271                6.110%              6.089%   Actual/360                  $12,133   4/11/2006     3/11/2016    N/A
272                6.080%              6.059%   Actual/360                  $11,792   6/11/2006     6/11/2016    N/A
276                6.760%              6.739%   Actual/360                  $11,888   8/11/2006     7/11/2016    N/A
277                6.390%              6.369%   Actual/360                  $10,997   10/11/2006    7/11/2016    N/A
281                6.500%              6.479%   Actual/360                  $11,061   5/11/2006     4/11/2016    N/A
282                6.800%              6.779%   Actual/360                  $11,272   8/11/2006     7/11/2016    N/A
284                6.330%              6.309%   Actual/360                  $10,556   7/11/2006     8/11/2016    N/A
288                6.360%              6.339%   Actual/360                  $10,589   6/11/2006     6/11/2016    N/A
289                6.110%              6.089%   Actual/360                  $12,287   5/11/2006     3/11/2026    N/A
290                6.470%              6.449%   Actual/360                  $10,460   9/11/2006     8/11/2016    N/A
292                6.380%              6.359%   Actual/360                  $10,206   7/11/2006     7/11/2016    N/A
294                6.790%              6.769%   Actual/360                  $10,550   8/11/2006     7/11/2016    N/A
299                6.410%              6.389%   Actual/360                  $10,019   8/11/2006     7/11/2016    N/A
303                6.550%              6.529%   Actual/360                   $9,689   9/11/2006     8/11/2016    N/A
304                5.830%              5.769%   Actual/360                   $8,854   12/11/2005    1/11/2016    N/A
310                6.690%              6.669%   Actual/360                   $9,025   7/11/2006     7/11/2016    N/A
312                6.250%              6.139%   Actual/360                   $8,620   5/11/2006     4/11/2016    N/A

314                6.380%              6.359%   Actual/360                   $8,427   6/11/2006     5/11/2016    N/A
315                6.540%              6.519%   Actual/360                   $8,505   8/11/2006     7/11/2016    N/A
318                6.400%              6.379%   Actual/360                   $8,107   5/11/2006     4/11/2016    N/A
319                6.300%              6.279%   Actual/360                   $7,923   8/11/2006     8/11/2016    N/A
323                6.520%              6.409%   Actual/360                   $7,917   7/11/2006     6/11/2016    N/A
324                6.510%              6.489%   Actual/360                   $7,814   9/11/2006     8/11/2016    N/A
325                6.910%              6.889%   Actual/360                   $7,911   8/11/2006     8/11/2016    N/A
328                6.450%              6.429%   Actual/360                   $7,545   7/11/2006     6/11/2016    N/A

329                6.250%              6.139%   Actual/360                   $7,222   5/11/2006     4/11/2016    N/A
331                6.360%              6.339%   Actual/360                   $6,852   7/11/2006     6/11/2016    N/A
335                6.350%              6.329%   Actual/360                   $6,659   6/11/2006     6/11/2016    N/A
336                6.570%              6.549%   Actual/360                   $6,048   9/11/2006     8/11/2016    N/A
338                6.480%              6.459%   Actual/360                   $5,771   5/11/2006     4/11/2016    N/A
340                6.660%              6.639%   Actual/360                   $5,655   9/11/2006     8/11/2016    N/A
342                6.380%              6.359%   Actual/360                   $5,143   6/11/2006     7/11/2016    N/A
344                6.830%              6.809%   Actual/360                   $5,231   9/11/2006     8/11/2016    N/A
346                6.730%              6.709%   Actual/360                   $4,855   9/11/2006     8/11/2016    N/A
348                7.180%              7.159%   Actual/360                   $5,081   7/11/2006     6/11/2016    N/A
349                6.920%              6.899%   Actual/360                   $4,950   6/11/2006     5/11/2016    N/A
350                6.390%              6.369%   Actual/360                   $5,013   7/11/2006     6/11/2016    N/A
357                6.560%              6.539%   Actual/360                   $2,544   7/11/2006     6/11/2016    N/A

<CAPTION>
                                                                                           Servicing
                                                                                           and
                               Letter of      Ground   Earthquake        Environmental     Trustee
#     Lockout/Defeasance (5)   Credit         Lease    Insurance (Y/N)   Insurance (Y/N)   Fees
---   ----------------------   ------------   ------   ---------------   ---------------   ---------
<S>   <C>                      <C>            <C>      <C>               <C>               <C>
  1   Yes                                $0   N/A      Yes               N/A                0.020600%
  2   Yes                      $115,000,000   N/A      Yes               N/A                0.020600%
  3   Yes                                $0                                                 0.020600%
3a                                            N/A      Yes               N/A
3b                                            N/A      Yes               N/A
3c                                            N/A      Yes               N/A
3d                                            N/A      Yes               N/A
3e                                            N/A      Yes               N/A
3f                                            N/A      Yes               N/A
3g                                            N/A      Yes               N/A
3h                                            N/A      Yes               N/A
3i                                            N/A      Yes               N/A
3j                                            N/A      Yes               N/A
3k                                            N/A      Yes               N/A
3l                                            N/A      Yes               N/A
3m                                            N/A      Yes               N/A
3n                                            N/A      Yes               N/A
  4   Yes                                $0   Yes      Yes               N/A                0.020600%
  5   Yes                                $0   N/A      Yes               N/A                0.020600%
  6   No                                 $0   Yes      Yes               N/A                0.020600%
 12   Yes                                $0   Yes      N/A               N/A                0.020600%
 15   Yes                                $0   N/A      Yes               N/A                0.020600%
 16   Yes                                $0   N/A      Yes               N/A                0.020600%
 17   No                                 $0                                                 0.020600%
17a                                           N/A      N/A               N/A
17b                                           N/A      N/A               N/A
17c                                           N/A      N/A               N/A
 18   Yes                                $0   N/A      N/A               N/A                0.040600%
 19   Yes                                $0   N/A      N/A               N/A                0.040600%
 20   Yes                                $0   N/A      N/A               N/A                0.040600%
 22   Yes                                $0   N/A      N/A               N/A                0.030600%

 23   Yes                                $0   N/A      N/A               N/A                0.020600%
 25   Yes                                $0                                                 0.020600%
25a                                           N/A      Yes               N/A
25b                                           N/A      Yes               N/A
 31   Yes                                $0   Yes      N/A               N/A                0.020600%
 33   Yes                                $0   N/A      Yes               N/A                0.020600%
 36   Yes                                $0   N/A      N/A               N/A                0.020600%
 38   Yes                                $0   N/A      Yes               N/A                0.020600%
 39   Yes                                $0   N/A      Yes               N/A                0.020600%
 40   Yes                                $0   N/A      N/A               N/A                0.020600%
 42   Yes                                $0   Yes      N/A               N/A                0.020600%
 43   Yes                                $0   N/A      N/A               N/A                0.020600%
 44   Yes                        $2,440,000   N/A      N/A               N/A                0.020600%
 50   Yes                                $0                                                 0.080600%
50a                                           N/A      Yes               N/A
50b                                           N/A      Yes               N/A
50c                                           N/A      Yes               N/A
50d                                           N/A      Yes               N/A
50e                                           N/A      Yes               N/A
50f                                           N/A      Yes               N/A
 52   Yes                                $0   N/A      N/A               N/A                0.020600%
 57   Yes                                $0   N/A      N/A               N/A                0.050600%
 58   Yes                                $0   Yes      N/A               N/A                0.020600%
 59   Yes                                $0   N/A      N/A               N/A                0.020600%
 60   Yes                                $0   N/A      N/A               N/A                0.020600%
 61   Yes                                $0   N/A      N/A               N/A                0.060600%
 62   Yes                                $0   N/A      N/A               N/A                0.020600%
 64   Yes                                $0   N/A      N/A               N/A                0.020600%
 65   Yes                                $0   N/A      Yes               N/A                0.020600%
 67   Yes                                $0   Yes      N/A               N/A                0.020600%
 68   Yes                                $0   Yes      N/A               N/A                0.020600%
 70   Yes                                $0   N/A      N/A               N/A                0.020600%
 71   Yes                                $0   N/A      Yes               N/A                0.020600%
 72   Yes                                $0   N/A      Yes               N/A                0.020600%
 73   Yes                                $0                                                 0.020600%
73a                                           N/A      N/A               N/A
73b                                           N/A      N/A               N/A
 78   Yes                                $0   N/A      N/A               N/A                0.020600%
 79   Yes                                $0   N/A      Yes               N/A                0.060600%
 83   Yes                                $0   N/A      N/A               N/A                0.020600%
 84   Yes                                $0   N/A      N/A               N/A                0.020600%
 86   Yes                                $0   N/A      N/A               N/A                0.020600%
 88   Yes                                $0   N/A      N/A               N/A                0.020600%
 91   Yes                          $935,000   N/A      N/A               N/A                0.060600%
 92   Yes                                $0   N/A      N/A               N/A                0.100600%
101   Yes                                $0   N/A      N/A               N/A                0.040600%
103   Yes                                $0   N/A      N/A               N/A                0.060600%
104   Yes                                $0   N/A      N/A               N/A                0.020600%
106   Yes                                $0   N/A      N/A               N/A                0.110600%
111   Yes                                $0   N/A      N/A               N/A                0.020600%
113   Yes                                $0   N/A      N/A               N/A                0.020600%
116   Yes                                $0   N/A      N/A               N/A                0.020600%
117   Yes                                $0   N/A      N/A               N/A                0.020600%
118   Yes                                $0   N/A      N/A               N/A                0.020600%
120   Yes                                $0   N/A      N/A               N/A                0.020600%
127   Yes                                $0   N/A      N/A               N/A                0.020600%
130   Yes                                $0   N/A      Yes               N/A                0.020600%
131   Yes                                $0   N/A      N/A               N/A                0.020600%
132   Yes                                $0   N/A      N/A               N/A                0.020600%
134   Yes                                $0   N/A      N/A               N/A                0.020600%
136   No                                 $0   Yes      N/A               N/A                0.020600%
138   Yes                                $0   N/A      N/A               N/A                0.020600%
139   Yes                                $0   N/A      N/A               N/A                0.020600%
141   Yes                                $0   N/A      N/A               N/A                0.020600%
144   Yes                                $0   N/A      N/A               N/A                0.020600%
148   Yes                                $0   N/A      N/A               N/A                0.040600%
149   Yes                                $0   N/A      N/A               N/A                0.020600%
151   Yes                          $916,000   N/A      N/A               N/A                0.020600%
156   Yes                                $0   N/A      N/A               N/A                0.060600%
160   Yes                                $0   N/A      N/A               N/A                0.020600%
163   Yes                                $0   N/A      N/A               N/A                0.020600%
165   Yes                                $0   N/A      N/A               N/A                0.070600%
166   Yes                                $0   N/A      N/A               N/A                0.020600%
170   Yes                                $0   N/A      N/A               N/A                0.020600%
172   Yes                                $0   N/A      N/A               N/A                0.020600%
173   Yes                                $0   N/A      N/A               N/A                0.020600%
175   Yes                                $0   N/A      N/A               N/A                0.020600%
177   Yes                                $0   N/A      N/A               N/A                0.110600%
183   Yes                                $0   N/A      N/A               N/A                0.020600%
185   Yes                                $0   N/A      N/A               N/A                0.020600%
186   Yes                                $0   N/A      N/A               N/A                0.020600%
187   Yes                                $0                                                 0.110600%
187a                                          N/A      N/A               Yes
187b                                          N/A      N/A               Yes
188   Yes                                $0   N/A      N/A               N/A                0.020600%
189   Yes                                $0   N/A      N/A               N/A                0.020600%
191   Yes                                $0   N/A      N/A               N/A                0.020600%
193   Yes                                $0   N/A      N/A               Yes                0.020600%
195   Yes                                $0   N/A      N/A               N/A                0.060600%
197   Yes                                $0   N/A      N/A               N/A                0.020600%
199   Yes                                $0   N/A      N/A               N/A                0.070600%
200   Yes                                $0   N/A      N/A               N/A                0.020600%
201   Yes                                $0   N/A      N/A               Yes                0.020600%
204   Yes                                $0   N/A      N/A               N/A                0.020600%
206   Yes                                $0   N/A      N/A               Yes                0.020600%
208   Yes                                $0   N/A      N/A               N/A                0.020600%
209   Yes                                $0   N/A      N/A               N/A                0.020600%
210   Yes                                $0   N/A      N/A               Yes                0.020600%
214   Yes                                $0   N/A      N/A               Yes                0.020600%
217   Yes                                $0   N/A      N/A               N/A                0.020600%
219   Yes                                $0   N/A      N/A               N/A                0.020600%
220   Yes                                $0   N/A      N/A               N/A                0.020600%
221   Yes                                $0   N/A      N/A               Yes                0.020600%
222   Yes                                $0   N/A      N/A               Yes                0.020600%
223   Yes                                $0   N/A      N/A               N/A                0.020600%
226   Yes                                $0   N/A      N/A               Yes                0.020600%
230   Yes                                $0   N/A      N/A               Yes                0.020600%
231   Yes                                $0   N/A      N/A               Yes                0.110600%
232   Yes                                $0   N/A      N/A               Yes                0.020600%
234   Yes                                $0   N/A      Yes               N/A                0.020600%
237   Yes                                $0   N/A      N/A               Yes                0.020600%
238   Yes                                $0   N/A      N/A               Yes                0.020600%
240   No                                 $0   N/A      Yes               Yes                0.020600%
245   Yes                                $0   N/A      N/A               N/A                0.070600%
248   Yes                                $0   N/A      N/A               Yes                0.020600%
250   Yes                                $0   N/A      N/A               N/A                0.020600%
253   Yes                                $0   N/A      N/A               N/A                0.070600%
254   No                                 $0   N/A      N/A               Yes                0.020600%
255   Yes                                $0   N/A      Yes               N/A                0.020600%
256   Yes                                $0                                                 0.020600%
256a                                          N/A      N/A               N/A
256b                                          N/A      N/A               N/A
258   Yes                                $0   N/A      N/A               Yes                0.060600%
260   Yes                          $105,000   N/A      N/A               Yes                0.020600%
262   Yes                                $0   N/A      N/A               N/A                0.020600%
264   Yes                                $0   N/A      N/A               N/A                0.020600%
265   Yes                                $0   N/A      N/A               N/A                0.020600%
267   Yes                                $0   N/A      N/A               N/A                0.020600%
268   Yes                                $0   N/A      N/A               N/A                0.020600%
271   No                                 $0   N/A      N/A               Yes                0.020600%
272   Yes                                $0   N/A      N/A               Yes                0.020600%
276   No                                 $0   N/A      N/A               Yes                0.020600%
277   Yes                                $0   N/A      N/A               N/A                0.020600%
281   Yes                                $0   N/A      N/A               Yes                0.020600%
282   Yes                                $0   N/A      Yes               N/A                0.020600%
284   Yes                                $0   N/A      N/A               N/A                0.020600%
288   Yes                                $0   N/A      N/A               N/A                0.020600%
289   Yes                                $0   N/A      N/A               Yes                0.020600%
290   Yes                                $0   N/A      N/A               N/A                0.020600%
292   Yes                                $0   N/A      N/A               N/A                0.020600%
294   Yes                                $0   N/A      N/A               Yes                0.020600%
299   Yes                                $0   N/A      N/A               Yes                0.020600%
303   Yes                                $0   N/A      N/A               Yes                0.020600%
304   Yes                                $0   N/A      N/A               Yes                0.060600%
310   No                                 $0   N/A      N/A               Yes                0.020600%
312   Yes                                $0   N/A      N/A               Yes                0.110600%

314   Yes                                $0   N/A      N/A               N/A                0.020600%
315   Yes                                $0   N/A      N/A               Yes                0.020600%
318   Yes                                $0   N/A      N/A               Yes                0.020600%
319   Yes                                $0   N/A      N/A               Yes                0.020600%
323   Yes                                $0   N/A      N/A               Yes                0.110600%
324   Yes                                $0   N/A      N/A               Yes                0.020600%
325   Yes                                $0   N/A      N/A               Yes                0.020600%
328   Yes                                $0   N/A      N/A               Yes                0.020600%

329   Yes                                $0   N/A      N/A               Yes                0.110600%
331   Yes                                $0   N/A      N/A               Yes                0.020600%
335   Yes                                $0   N/A      N/A               Yes                0.020600%
336   Yes                                $0   N/A      N/A               Yes                0.020600%
338   Yes                                $0   N/A      N/A               Yes                0.020600%
340   Yes                                $0   N/A      N/A               Yes                0.020600%
342   Yes                                $0   N/A      N/A               N/A                0.020600%
344   Yes                                $0   N/A      N/A               Yes                0.020600%
346   No                                 $0   N/A      N/A               Yes                0.020600%
348   Yes                                $0   N/A      N/A               Yes                0.020600%
349   Yes                                $0   N/A      N/A               Yes                0.020600%
350   Yes                                $0   N/A      N/A               Yes                0.020600%
357   Yes                                $0   N/A      N/A               Yes                0.020600%

<CAPTION>

#     Loan Seller
---   ---------------------------------------
<S>   <C>
  1   Column Financial, Inc.
  2   Column Financial, Inc.
  3   Column Financial, Inc.
3a    Column Financial, Inc.
3b    Column Financial, Inc.
3c    Column Financial, Inc.
3d    Column Financial, Inc.
3e    Column Financial, Inc.
3f    Column Financial, Inc.
3g    Column Financial, Inc.
3h    Column Financial, Inc.
3i    Column Financial, Inc.
3j    Column Financial, Inc.
3k    Column Financial, Inc.
3l    Column Financial, Inc.
3m    Column Financial, Inc.
3n    Column Financial, Inc.
  4   Column Financial, Inc./Barclays Capital
  5   Column Financial, Inc.
  6   Column Financial, Inc.
 12   Column Financial, Inc.
 15   Column Financial, Inc.
 16   Column Financial, Inc.
 17   Column Financial, Inc.
17a   Column Financial, Inc.
17b   Column Financial, Inc.
17c   Column Financial, Inc.
 18   Column Financial, Inc.
 19   Column Financial, Inc.
 20   Column Financial, Inc.
 22   Column Financial, Inc.

 23   Column Financial, Inc.
 25   Column Financial, Inc.
25a   Column Financial, Inc.
25b   Column Financial, Inc.
 31   Column Financial, Inc.
 33   Column Financial, Inc.
 36   Column Financial, Inc.
 38   Column Financial, Inc.
 39   Column Financial, Inc.
 40   Column Financial, Inc.
 42   Column Financial, Inc.
 43   Column Financial, Inc.
 44   Column Financial, Inc.
 50   Column Financial, Inc.
50a   Column Financial, Inc.
50b   Column Financial, Inc.
50c   Column Financial, Inc.
50d   Column Financial, Inc.
50e   Column Financial, Inc.
50f   Column Financial, Inc.
 52   Column Financial, Inc.
 57   Column Financial, Inc.
 58   Column Financial, Inc.
 59   Column Financial, Inc.
 60   Column Financial, Inc.
 61   Column Financial, Inc.
 62   Column Financial, Inc.
 64   Column Financial, Inc.
 65   Column Financial, Inc.
 67   Column Financial, Inc.
 68   Column Financial, Inc.
 70   Column Financial, Inc.
 71   Column Financial, Inc.
 72   Column Financial, Inc.
 73   Column Financial, Inc.
73a   Column Financial, Inc.
73b   Column Financial, Inc.
 78   Column Financial, Inc.
 79   Column Financial, Inc.
 83   Column Financial, Inc.
 84   Column Financial, Inc.
 86   Column Financial, Inc.
 88   Column Financial, Inc.
 91   Column Financial, Inc.
 92   Column Financial, Inc.
101   Column Financial, Inc.
103   Column Financial, Inc.
104   Column Financial, Inc.
106   Column Financial, Inc.
111   Column Financial, Inc.
113   Column Financial, Inc.
116   Column Financial, Inc.
117   Column Financial, Inc.
118   Column Financial, Inc.
120   Column Financial, Inc.
127   Column Financial, Inc.
130   Column Financial, Inc.
131   Column Financial, Inc.
132   Column Financial, Inc.
134   Column Financial, Inc.
136   Column Financial, Inc.
138   Column Financial, Inc.
139   Column Financial, Inc.
141   Column Financial, Inc.
144   Column Financial, Inc.
148   Column Financial, Inc.
149   Column Financial, Inc.
151   Column Financial, Inc.
156   Column Financial, Inc.
160   Column Financial, Inc.
163   Column Financial, Inc.
165   Column Financial, Inc.
166   Column Financial, Inc.
170   Column Financial, Inc.
172   Column Financial, Inc.
173   Column Financial, Inc.
175   Column Financial, Inc.
177   Column Financial, Inc.
183   Column Financial, Inc.
185   Column Financial, Inc.
186   Column Financial, Inc.
187   Column Financial, Inc.
187a  Column Financial, Inc.
187b  Column Financial, Inc.
188   Column Financial, Inc.
189   Column Financial, Inc.
191   Column Financial, Inc.
193   Column Financial, Inc.
195   Column Financial, Inc.
197   Column Financial, Inc.
199   Column Financial, Inc.
200   Column Financial, Inc.
201   Column Financial, Inc.
204   Column Financial, Inc.
206   Column Financial, Inc.
208   Column Financial, Inc.
209   Column Financial, Inc.
210   Column Financial, Inc.
214   Column Financial, Inc.
217   Column Financial, Inc.
219   Column Financial, Inc.
220   Column Financial, Inc.
221   Column Financial, Inc.
222   Column Financial, Inc.
223   Column Financial, Inc.
226   Column Financial, Inc.
230   Column Financial, Inc.
231   Column Financial, Inc.
232   Column Financial, Inc.
234   Column Financial, Inc.
237   Column Financial, Inc.
238   Column Financial, Inc.
240   Column Financial, Inc.
245   Column Financial, Inc.
248   Column Financial, Inc.
250   Column Financial, Inc.
253   Column Financial, Inc.
254   Column Financial, Inc.
255   Column Financial, Inc.
256   Column Financial, Inc.
256a  Column Financial, Inc.
256b  Column Financial, Inc.
258   Column Financial, Inc.
260   Column Financial, Inc.
262   Column Financial, Inc.
264   Column Financial, Inc.
265   Column Financial, Inc.
267   Column Financial, Inc.
268   Column Financial, Inc.
271   Column Financial, Inc.
272   Column Financial, Inc.
276   Column Financial, Inc.
277   Column Financial, Inc.
281   Column Financial, Inc.
282   Column Financial, Inc.
284   Column Financial, Inc.
288   Column Financial, Inc.
289   Column Financial, Inc.
290   Column Financial, Inc.
292   Column Financial, Inc.
294   Column Financial, Inc.
299   Column Financial, Inc.
303   Column Financial, Inc.
304   Column Financial, Inc.
310   Column Financial, Inc.
312   Column Financial, Inc.

314   Column Financial, Inc.
315   Column Financial, Inc.
318   Column Financial, Inc.
319   Column Financial, Inc.
323   Column Financial, Inc.
324   Column Financial, Inc.
325   Column Financial, Inc.
328   Column Financial, Inc.

329   Column Financial, Inc.
331   Column Financial, Inc.
335   Column Financial, Inc.
336   Column Financial, Inc.
338   Column Financial, Inc.
340   Column Financial, Inc.
342   Column Financial, Inc.
344   Column Financial, Inc.
346   Column Financial, Inc.
348   Column Financial, Inc.
349   Column Financial, Inc.
350   Column Financial, Inc.
357   Column Financial, Inc.
</TABLE>

(1)   Assumes a Cut-off Date in September 2006.

(2)   In the case of the ARD Loans, the anticipated repayment date is assumed to
      be the maturity date for the purposes of the indicated column.

(3)   For mortgage loans classified as interest only, the monthly payments
      represent the average of one full year of interest payments. For mortgage
      loans with an initial interest only term, the monthly payments represent
      the principal and interest payments du

(4)   Anticipated Repayment Date.

(5)   Yes means that defeasance is permitted notwithstanding the Lockout Period.EXHIBIT 10.2

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

              CREDIT SUISSE FIRST BOSTON MORTGAGE SECURITIES CORP.
                                   (Depositor)

                                       and

                        LASALLE BANK NATIONAL ASSOCIATION
                                    (Seller)

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

                        MORTGAGE LOAN PURCHASE AGREEMENT

                          Dated as of September 1, 2006

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

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                                TABLE OF CONTENTS

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Section 1.  Transactions on or Prior to the Closing Date.....................1
Section 2.  Closing Date Actions.............................................1
Section 3.  Conveyance of Mortgage Loans.....................................2
Section 4.  Depositor's Conditions to Closing................................8
Section 5.  Seller's Conditions to Closing...................................9
Section 6.  Representations and Warranties of Seller........................10
Section 7.  Obligations of Seller...........................................13
Section 8.  Crossed Mortgage Loans..........................................17
Section 9.  Rating Agency Fees; Costs and Expenses Associated with
             a Defeasance...............................................    18
Section 10. Representations and Warranties of Depositor.....................18
Section 11. Survival of Certain Representations, Warranties and Covenants...19
Section 12. Transaction Expenses............................................19
Section 13. Recording Costs and Expenses....................................19
Section 14. Notices.........................................................19
Section 15. Notice of Exchange Act Reportable Events........................20
Section 16. Examination of Mortgage Files...................................20
Section 17. Successors......................................................20
Section 18. Governing Law...................................................21
Section 19. Severability....................................................21
Section 20. Further Assurances..............................................21
Section 21. Counterparts....................................................21
Section 22. Treatment as Security Agreement.................................21

Schedule I   Schedule of Transaction Terms
Schedule II  Mortgage Loan Schedule
Schedule III Mortgage Loans Constituting Mortgage Groups
Schedule IV  Mortgage Loans with Lost Mortgage Notes
Schedule V   Exceptions with Respect to Seller's Representations and Warranties

Exhibit A    Representations and Warranties of Seller Regarding the Mortgage
             Loans
Exhibit B    Form of Lost Mortgage Note Affidavit

                        MORTGAGE LOAN PURCHASE AGREEMENT

                  This Mortgage Loan Purchase Agreement (this "Agreement"),
dated as of September 1, 2006, is made by and between LASALLE BANK NATIONAL
ASSOCIATION, a national banking association ("Seller"), and CREDIT SUISSE FIRST
BOSTON MORTGAGE SECURITIES CORP., a Delaware corporation ("Depositor").

                                    RECITALS

                  I. Capitalized terms used herein without definition have the
meanings ascribed to them in the Schedule of Transaction Terms attached hereto
as Schedule I, which is incorporated herein by this reference, or, if not
defined therein or elsewhere in this Agreement, in the Pooling and Servicing
Agreement.

            II. On the Closing Date, and on the terms set forth herein, Seller
has agreed to sell to Depositor and Depositor has agreed to purchase from Seller
the mortgage loans identified on the schedule (the "Mortgage Loan Schedule")
annexed hereto as Schedule II (each such mortgage loan, a "Mortgage Loan" and,
collectively, the "Mortgage Loans"). Depositor intends to deposit the Mortgage
Loans and other assets into a trust fund (the "Trust Fund" or the "Trust")
created pursuant to the Pooling and Servicing Agreement and to cause the
issuance of the Certificates.

                                    AGREEMENT

            NOW, THEREFORE, on the terms and conditions set forth below and for
good and valuable consideration, the receipt and adequacy of which is hereby
acknowledged, Depositor and Seller agree as follows:

            Section 1. Transactions on or Prior to the Closing Date. On or prior
to the Closing Date, Seller shall have delivered the Mortgage Files with respect
to each of the Mortgage Loans listed in the Mortgage Loan Schedule to Wells
Fargo Bank, N.A. as trustee (the "Trustee") or its designee, against receipt by
Seller of a trust receipt, pursuant to an arrangement between Seller and the
Trustee; provided, however, that item (p) in the definition of Mortgage File
(below) shall be delivered to the applicable Master Servicer for inclusion in
the Servicer File (defined below) with a copy delivered to the Trustee for
inclusion in the Mortgage File.

            Section 2. Closing Date Actions. The sale of the Mortgage Loans
shall take place on the Closing Date, subject to and simultaneously with the
deposit of the Mortgage Loans into the Trust Fund, the issuance of the
Certificates and the sale of (a) the Publicly Offered Certificates by Depositor
to the Underwriters pursuant to the Underwriting Agreement and (b) the Private
Certificates by Depositor to the Initial Purchaser pursuant to the Certificate
Purchase Agreement. The closing (the "Closing") shall take place at the offices
of Cadwalader, Wickersham & Taft LLP, One World Financial Center, New York, New
York 10281, or such other location as agreed upon between the parties hereto. On
the Closing Date, the following actions shall take place in sequential order on
the terms set forth herein:

            (i) Seller shall sell to Depositor, and Depositor shall purchase
      from Seller, the Mortgage Loans pursuant to this Agreement for the
      Mortgage Loan Purchase Price (as defined herein). The Mortgage Loan
      Purchase Price shall be paid by Depositor to Seller or at its direction by
      wire transfer in immediately available funds to an account designated by
      Seller on or prior to the Closing Date (or, by such other method as shall
      be mutually acceptable to Depositor and Seller). The "Mortgage Loan
      Purchase Price" paid by Depositor shall be equal to the amount that the
      Depositor and the Seller have mutually agreed upon as the Seller's share
      of the net securitization proceeds from the sale of the Publicly Offered
      Certificates and the Private Certificates as set forth in the Closing
      Statement (which amount includes, without limitation, accrued interest).

            (ii) Pursuant to the terms of the Pooling and Servicing Agreement,
      Depositor shall sell all of its right, title and interest in and to the
      Mortgage Loans to the Trustee for the benefit of the Holders of the
      Certificates.

            (iii) Depositor shall sell to the Underwriters, and the Underwriters
      shall purchase from Depositor, the Publicly Offered Certificates pursuant
      to the Underwriting Agreement, and Depositor shall sell to the Initial
      Purchaser, and the Initial Purchaser shall purchase from Depositor, the
      Private Certificates pursuant to the Certificate Purchase Agreement.

            (iv) The Underwriters will offer the Publicly Offered Certificates
      for sale to the public pursuant to the Prospectus and the Prospectus
      Supplement and the Initial Purchaser will privately place certain classes
      of the Private Certificates pursuant to the Offering Circular.

            Section 3. Conveyance of Mortgage Loans. On the Closing Date, Seller
shall sell, convey, assign and transfer, subject to any related servicing rights
of any applicable Master Servicer (or, if applicable, any Sub-Servicer) under,
and/or any applicable Primary Servicer contemplated by, the Pooling and
Servicing Agreement, without recourse except as provided herein, to Depositor,
free and clear of any liens, claims or other encumbrances, all of Seller's
right, title and interest in, to and under: (i) each of the Mortgage Loans
identified on the Mortgage Loan Schedule, and (ii) all property of Seller
described in Section 22(b) of this Agreement, including, without limitation, (A)
all scheduled payments of interest and principal with respect to the Mortgage
Loans due after the Cut-off Date and (B) all other payments of interest,
principal or yield maintenance charges received on or with respect to the
Mortgage Loans after the Cut-off Date, other than any such payments of interest
or principal or yield maintenance charges that were due on or prior to the
Cut-off Date. The Mortgage File for each Mortgage Loan shall contain the
following documents on a collective basis:

            (a) the original Note (or with respect to those Mortgage Loans
listed in Schedule IV hereto, a "lost note affidavit" substantially in the form
of Exhibit B hereto and a true and complete copy of the Note), bearing, or
accompanied by, all prior and intervening endorsements, assignments or allonges
showing a complete chain of endorsement or assignment from the Mortgage Loan
Originator either in blank or to Seller, and further endorsed (at the direction
of Depositor given pursuant to this Agreement) by Seller, on its face or by
allonge attached thereto, without recourse, either 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 2006-C4,
without recourse, representation or warranty, express or implied";

            (b) 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 Mortgage Loan Originator to Seller, in each case in
the form submitted for recording or, if recorded, with evidence of recording
indicated thereon;

            (c) an original assignment of the Mortgage, in recordable form
(except for any missing recording information and, if applicable, completion of
the name of the assignee), from Seller (or the Mortgage Loan Originator) either
in blank or to "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 2006-C4";

            (d) an original, counterpart or copy of any related Assignment of
Leases (if such item is a document separate from the Mortgage), and the
originals, counterparts or copies of any intervening assignments thereof from
the Mortgage Loan Originator of the Loan to Seller, in each case in the form
submitted for recording or, if recorded, with evidence of recording thereon;

            (e) an original assignment of any related Assignment of Leases (if
such item is a document separate from the Mortgage and to the extent not already
assigned pursuant to clause (c) above), in recordable form (except for any
missing recording information and, if applicable, completion of the name of the
assignee), from Seller (or the Mortgage Loan Originator), either in blank or to
"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 2006-C4";

            (f) an original or true and complete copy of any related Security
Agreement (if such item is a document separate from the Mortgage), and the
originals or copies of any intervening assignments thereof from the Mortgage
Loan Originator to Seller;

            (g) an original assignment of any related Security Agreement (if
such item is a document separate from the Mortgage and to the extent not already
assigned pursuant to clause (c) above), from Seller (or the Mortgage Loan
Originator) either in blank or to "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 2006-C4," which assignment
may be included as part of an omnibus assignment covering other documents
relating to the Mortgage Loan (provided that such omnibus assignment is
effective under applicable law);

            (h) originals or copies of all (A) assumption agreements, (B)
modifications, (C) written assurance agreements and (D) substitution agreements,
together with any evidence of recording thereon or in the form submitted for
recording, when appropriate, in those instances where the terms or provisions of
the Mortgage, Note or any related security document have been modified or the
Mortgage Loan has been assumed;

            (i) the original lender's title insurance policy or a copy thereof
(together with all endorsements or riders that were issued with or subsequent to
the issuance of such policy), or if the policy has not yet been issued, the
original or a copy of a binding written commitment (which may be a pro forma or
specimen title insurance policy which has been accepted or approved in writing
by the related title insurance company) or interim binder that is marked as
binding and countersigned by the title company or executed escrow instructions
binding on the title insurer irrevocably obligating the title insurer to issue
such title insurance policy, insuring the priority of the Mortgage as a first
lien on the related Mortgaged Property, relating to such Mortgage Loan;

            (j) the original or a counterpart of any guaranty of the obligations
of the Borrower under the Mortgage Loan;

            (k) UCC acknowledgement, 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 (including the filing number or other similar filing information) or,
alternatively, other evidence of filing or recording (including the filing
number or other similar filing information) acceptable to the Trustee
(including, without limitation, evidence of such filed or recorded UCC Financing
Statement as shown on a written UCC search report from a reputable search firm,
such as CSC/LexisNexis Document Solutions, Corporation Service Company, CT
Corporation System and the like or printouts of on-line confirmations from such
UCC filing or recording offices or authorized agents thereof), 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, and original
UCC Financing Statement assignments, in a form suitable for filing or recording,
sufficient to assign each such UCC Financing Statement to the Trustee;

            (l) the original or copy of the power of attorney (with evidence of
recording thereon) granted by the Borrower if the Mortgage, Note or other
document or instrument referred to above was not signed by the Borrower;

            (m) with respect to any debt of a Borrower permitted under the
related Mortgage Loan, an original or copy of a subordination agreement,
standstill agreement or other intercreditor, co-lender or similar agreement
relating to such other debt, if any, including any mezzanine loan documents or
preferred equity documents, and a copy of the promissory note relating to such
other debt (if such other debt is also secured by the related Mortgage);

            (n) with respect to any Cash Collateral Accounts and Lock-Box
Accounts, an original or copy of any related account control agreement;

            (o) 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 Account Agreement (if separate from the related
Mortgage and Loan Agreement);

            (p) the originals and copies of letters of credit, if any, relating
to the Mortgage Loans and amendments thereto which entitles the Trust to draw
thereon; provided that in connection with the delivery of the Mortgage File to
the Trust, such originals shall be delivered to the applicable Master Servicer
and copies thereof shall be delivered to the Trustee;

            (q) any related environmental insurance policies and any
environmental guarantees or indemnity agreements or copies thereof;

            (r) the original or a copy of the ground lease, ground lease
memorandum and ground lease estoppels, if any, and any originals or copies of
amendments, modifications or extensions thereto, if any;

            (s) the original or copy of any property management agreement;

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

            (u) a checklist of the documents included in the subject Mortgage
File;

            (v) if applicable, the original or a counterpart of any post-closing
agreement relating to any modification, waiver or amendment of any term of any
Mortgage Loan (including fees charged the Borrower) required to be added to the
Mortgage File pursuant to Section 3.20(l) of the Pooling and Servicing
Agreement.

            Notwithstanding the foregoing, in the event that, in connection with
any Mortgage Loan, Seller cannot deliver, or cause to be delivered, an original,
counterpart or certified copy, as applicable, of any of the documents and/or
instruments required to be delivered pursuant to clauses (b), (d), (h), (k)
(other than assignments of UCC Financing Statements to be recorded or filed in
accordance with the transfer contemplated by this Agreement), (1) and (n) above
and with evidence of recording or filing thereon on the Closing Date, solely
because of a delay caused by the public recording or filing office where such
document or instrument has been delivered for recordation or filing, then the
Seller: (i) shall deliver, or cause to be delivered, to the Trustee or its
designee a duplicate original or true copy of such document or instrument
certified by the applicable public recording or filing office, the applicable
title insurance company or Seller to be a true and complete duplicate original
or copy of the original thereof submitted for recording or filing; and (ii)
shall deliver, or cause to be delivered, to the Trustee or its designee either
the original of such non-delivered document or instrument, or a photocopy
thereof (certified by the appropriate public recording or filing office to be a
true and complete copy of the original thereof submitted for recording or
filing), with evidence of recording or filing thereon (with a copy to the
applicable Master Servicer), within 120 days of the Closing Date, which period
may be extended up to two times, in each case for an additional period of 45
days (provided that Seller, as certified in writing to the Trustee prior to each
such 45-day extension, is in good faith attempting to obtain from the
appropriate county recorder's office such original or photocopy). Compliance
with this paragraph will satisfy Seller's delivery requirements under this
Section 3 with respect to the subject document(s) and instrument(s).

            Notwithstanding the foregoing, in the event that, in connection with
any Mortgage Loan, Seller cannot deliver, or cause to be delivered, an original,
counterpart or certified copy, as applicable, of any of the documents and/or
instruments required to be delivered pursuant to clauses (b), (d), (h), (k)
(other than assignments of UCC Financing Statements to be recorded or filed in
accordance with the transfer contemplated by this Agreement), (1) and (n) above
with evidence of recording or filing thereon for any other reason, including
without limitation, that such non-delivered document or instrument has been
lost, the delivery requirements of this Agreement shall be deemed to have been
satisfied and such non-delivered document or instrument shall be deemed to have
been included in the related Mortgage File if a photocopy of such non-delivered
document or instrument (with evidence of recording or filing thereon and
certified by the appropriate recording or filing office to be a true and
complete copy of the original thereof as filed or recorded) is delivered to the
Trustee (with a copy to the applicable Master Servicer) on or before the Closing
Date.

            Notwithstanding the foregoing, in the event that Seller cannot
deliver any UCC Financing Statement assignment with the filing or recording
information of the related UCC Financing Statement with respect to any Mortgage
Loan, solely because such UCC Financing Statement has not been returned by the
public filing or recording office where such UCC Financing Statement has been
delivered for filing or recording, Seller shall so notify the Trustee and shall
not be in breach of its obligations with respect to such delivery, provided that
Seller promptly forwards such UCC Financing Statement to the Trustee (with a
copy to the applicable Master Servicer) upon its return, together with the
related original UCC Financing Statement assignment in a form appropriate for
filing or recording.

            The Seller may, at its sole cost and expense, but is not obligated
to, engage a third-party contractor to prepare or complete in proper form for
filing or recording any and all assignments of Mortgage, assignments of
Assignments of Leases and assignments of UCC Financing Statements to the Trustee
to be delivered pursuant to clauses (c), (e) and (k) above (collectively, the
"Assignments"), to submit the Assignments for filing and recording, as the case
may be, in the applicable public filing and recording offices and to deliver
those Assignments to the Trustee or its designee as those Assignments (or
certified copies thereof) are received from the applicable filing and recording
offices with evidence of such filing or recording indicated thereon.

            Within ten (10) Business Days after the Closing Date, Seller shall
deliver the Servicer Files with respect to each of the Mortgage Loans to the
applicable Master Servicer (or, if applicable, to a Sub-Servicer (with a copy to
the applicable Master Servicer) at the direction of the applicable Master
Servicer), under the Pooling and Servicing Agreement on behalf of the Trustee in
trust for the benefit of the Certificateholders. Each such Servicer File shall
contain all documents and records in Seller's possession relating to such
applicable Mortgage Loans (including reserve and escrow agreements, cash
management agreements, lockbox agreements, rent rolls, leases, environmental and
engineering reports, third-party underwriting reports, appraisals, surveys,
legal opinions, estoppels, financial statements, operating statements and any
other information provided by the respective Borrower from time to time, but
excluding any draft documents, attorney/client communications, which are
privileged or constitute legal or other due diligence analyses, and documents
prepared by Seller or any of its Affiliates solely for internal communication,
credit underwriting or due diligence analyses (other than the underwriting
information contained in the related underwriting memorandum or asset summary
report prepared by the Seller in connection with the preparation of Exhibit A-1
to the Prospectus Supplement)) that are not required to be a part of a Mortgage
File in accordance with the definition thereof, together with copies of all
instruments and documents which are required to be a part of the related
Mortgage File in accordance with the definition thereof.

            In addition, with respect to each Mortgage Loan as to which any
Additional Collateral is in the form of a letter of credit as of the Closing
Date, the Seller (within 30 days after the Closing Date) shall cause to be
prepared, executed and delivered to the issuer of each such letter of credit
such notices, assignments and acknowledgements as are required under such letter
of credit to assign, without recourse, to, and vest in, the Trustee (in care of
the applicable Master Servicer) (whether by actual assignment or by amendment of
the letter of credit) the Seller's rights as the beneficiary thereof and drawing
party thereunder. The designated beneficiary under each letter of credit
referred to in the preceding sentence shall be the Trustee (in care of the
applicable Master Servicer).

            For purposes of this Section 3, and notwithstanding any contrary
provision hereof or of the definition of "Mortgage File," if there exists with
respect to any group of Crossed Mortgage Loans only one original or certified
copy of any document or instrument described in the definition of "Mortgage
File" which pertains to all of the Crossed Mortgage Loans in such group of
Crossed Mortgage Loans, the inclusion of the original or certified copy of such
document or instrument in the Mortgage File for any of such Crossed Mortgage
Loans and the inclusion of a copy of such original or certified copy in each of
the Mortgage Files for the other Crossed Mortgage Loans in such group of Crossed
Mortgage Loans, shall be deemed the inclusion of such original or certified
copy, as the case may be, in the Mortgage File for each such Crossed Mortgage
Loan.

            Seller shall, promptly after the Closing Date, but in all events
within three (3) Business Days after the Closing Date, cause all funds on
deposit in escrow accounts maintained with respect to the Mortgage Loans in the
name of Seller or any other name, to be transferred to or at the direction of
the applicable Master Servicer (or, if applicable, to a Sub-Servicer at the
direction of the applicable Master Servicer) for deposit into Servicing
Accounts.

            The Trustee, as assignee or transferee of Depositor, shall be
entitled to all scheduled principal payments due after the Cut-off Date, all
other payments of principal due and collected after the Cut-off Date, and all
payments of interest on the Mortgage Loans, minus that portion of any such
payment which is allocable to the period on or prior to the Cut-off Date. All
scheduled payments of principal due on or before the Cut-off Date and collected
after the Cut-off Date, together with the accompanying interest payments, shall
belong to Seller.

            Upon the sale of the Mortgage Loans from Seller to Depositor
pursuant hereto, the ownership of each Note, the related Mortgage Loan and the
contents of the related Mortgage File shall be vested in Depositor and the
ownership of all records and documents with respect to the related Mortgage Loan
prepared by or which come into the possession of Seller as seller of the
Mortgage Loans hereunder, exclusive in each case of records and documents that
are not required to be delivered hereunder by Seller, shall immediately vest in
Depositor. All Monthly Payments, Principal Prepayments and other amounts
received by Seller and not otherwise belonging to Seller pursuant to this
Agreement shall be sent by Seller within three (3) Business Days after Seller's
receipt thereof to the applicable Master Servicer via wire transfer for deposit
by the applicable Master Servicer into the Collection Account.

            Upon the sale of Certificates representing at least 10% of the fair
value of all the Certificates to unaffiliated third parties, Seller shall, under
generally accepted accounting principles ("GAAP"), report its transfer of the
Mortgage Loans to Depositor, as provided herein, as a sale of the Mortgage Loans
to Depositor in exchange for the consideration specified in Section 2 hereof. In
connection with the foregoing, upon sale of Certificates representing at least
10% of the fair value of all the Certificates to unaffiliated third parties,
Seller shall cause all of its financial and accounting records to reflect such
transfer as a sale (as opposed to a secured loan). Regardless of its treatment
of the transfer of the Mortgage Loans to the Depositor under GAAP, Seller shall
at all times following the Closing Date cause all of its records and financial
statements and any relevant consolidated financial statements of any direct or
indirect parent to clearly reflect that the Mortgage Loans have been transferred
to Depositor and are no longer available to satisfy claims of Seller's
creditors.

            After Seller's transfer of the Mortgage Loans to Depositor, as
provided herein, Seller shall not take any action inconsistent with Depositor's
ownership (or the ownership by any of Depositor's assignees) of the Mortgage
Loans. Except for actions that are the express responsibility of another party
hereunder or under the Pooling and Servicing Agreement, and further except for
actions that Seller is expressly permitted to complete subsequent to the Closing
Date, Seller shall, on or before the Closing Date, take all actions required
under applicable law to effectuate the transfer of the Mortgage Loans by Seller
to Depositor.

            Section 4. Depositor's Conditions to Closing. The obligations of
Depositor to purchase the Mortgage Loans and pay the Mortgage Loan Purchase
Price at the Closing Date under the terms of this Agreement are subject to the
satisfaction of each of the following conditions at or before the Closing:

            (a) Each of theobligations of Seller required to be performed by it
on or prior to the Closing Date pursuant to the terms of this Agreement shall
have been duly performed and complied with in all material respects; all of the
representations and warranties of Seller under this Agreement (subject to the
exceptions set forth in the Exception Report) shall be true and correct in all
material respects as of the Closing Date; no event shall have occurred with
respect to Seller or any of the Mortgage Loans and related Mortgage Files which,
with notice or the passage of time, would constitute a material default under
this Agreement; and Depositor shall have received certificates to the foregoing
effect signed by authorized officers of Seller.

            (b) Depositor, or if directed by Depositor, the Trustee or
Depositor's attorneys or other designee, shall have received in escrow, all of
the following closing documents, in such forms as are agreed upon and reasonably
acceptable to Depositor and Seller, duly executed by all signatories other than
Depositor, as required pursuant to the respective terms thereof:

            (i) the Mortgage Files, subject to the provisos of Section 1 of this
      Agreement, which shall have been delivered to and held by the Trustee or
      its designee on behalf of Seller;

            (ii) the Mortgage Loan Schedule;

            (iii) the certificate of Seller confirming its representations and
      warranties set forth in Section 6(a) (subject to the exceptions set forth
      in the Exception Report) as of the Closing Date;

            (iv) an opinion or opinions of Seller's counsel, dated the Closing
      Date, covering various corporate matters and such other matters as shall
      be reasonably required by Depositor;

            (v) such other certificates of Seller's officers or others and such
      other documents to evidence fulfillment of the conditions set forth in
      this Agreement as Depositor or its counsel may reasonably request; and

            (vi) all other information, documents, certificates, or letters with
      respect to the Mortgage Loans or Seller and its Affiliates as are
      reasonably requested by Depositor in order for Depositor to perform any of
      it obligations or satisfy any of the conditions on its part to be
      performed or satisfied pursuant to any sale of Mortgage Loans by Depositor
      as contemplated herein.

            (c) Seller shall have performed or complied with all other terms and
      conditions of this Agreement which it is required to perform or comply
      with at or before the Closing and shall have the ability to perform or
      comply with all duties, obligations, provisions and terms which it is
      required to perform or comply with after the Closing.

            (d) The Seller shall have paid or caused to be paid upfront all the
      annual fees of each Rating Agency allocable to the Mortgage Loans.

            Section 5. Seller's Conditions to Closing. The obligations of Seller
under this Agreement shall be subject to the satisfaction, on the Closing Date,
of the following conditions:

            (a) Each of the obligations of Depositor required to be performed by
it on or prior to the Closing Date pursuant to the terms of this Agreement,
including, without limitation, payment of the Mortgage Loan Purchase Price,
shall have been duly performed and complied with in all material respects; and
all of the representations and warranties of Depositor under this Agreement
shall be true and correct in all material respects as of the Closing Date; and
no event shall have occurred with respect to Depositor which, with notice or the
passage of time, would constitute a material default under this Agreement, and
Seller shall have received certificates to that effect signed by authorized
officers of Depositor.

            (b) Seller shall have received all of the following closing
documents, in such forms as are agreed upon and reasonably acceptable to Seller
and Depositor, duly executed by all signatories other than Seller, as required
pursuant to the respective terms thereof:

            (i) an officer's certificate of Depositor, dated as of the Closing
      Date, with the resolutions of Depositor authorizing the transactions set
      forth therein, together with copies of the charter, by-laws and
      certificate of good standing dated as of a recent date of Depositor; and

            (ii) such other certificates of its officers or others, such
      opinions of Depositor's counsel and such other documents required to
      evidence fulfillment of the conditions set forth in this Agreement as
      Seller or its counsel may reasonably request.

            (c) Depositor shall have performed or complied with all other terms
and conditions of this Agreement which it is required to perform or comply with
at or before the Closing and shall have the ability to perform or comply with
all duties, obligations, provisions and terms which it is required to perform or
comply with after Closing.

            Section 6. Representations and Warranties of Seller.

            (a) Seller represents and warrants to Depositor as of the date
hereof, as follows:

            (i) Seller is duly organized and is validly existing as a national
      banking association in good standing under the laws of the United States
      of America. Seller has conducted and is conducting its business so as to
      comply in all material respects with all applicable statutes and
      regulations of regulatory bodies or agencies having jurisdiction over it,
      except where the failure so to comply would not have a materially adverse
      effect on the performance by Seller of this Agreement, and there is no
      charge, action, suit or proceeding before or by any court, regulatory
      authority or governmental agency or body pending or, to the knowledge of
      Seller, threatened, which is reasonably likely to materially and adversely
      affect the performance by Seller of this Agreement or the consummation of
      transactions contemplated by this Agreement.

            (ii) Seller has the full power, authority and legal right to hold,
      transfer and convey the Mortgage Loans and to execute and deliver this
      Agreement (and all agreements and documents executed and delivered by
      Seller in connection herewith) and to perform all transactions of Seller
      contemplated by this Agreement (and all agreements and documents executed
      and delivered by Seller in connection herewith). Seller has duly
      authorized the execution, delivery and performance of this Agreement (and
      all agreements and documents executed and delivered by Seller in
      connection herewith), and has duly executed and delivered this Agreement
      (and all agreements and documents executed and delivered by Seller in
      connection herewith). This Agreement (and each agreement and document
      executed and delivered by Seller in connection herewith), assuming due
      authorization, execution and delivery thereof by each other party thereto,
      constitutes the legal, valid and binding obligation of Seller enforceable
      in accordance with its terms, except as such enforcement may be limited by
      bankruptcy, fraudulent transfer, insolvency, reorganization, receivership,
      moratorium or other laws relating to or affecting the rights of creditors
      generally, by general principles of equity (regardless of whether such
      enforcement is considered in a proceeding in equity or at law) and by
      considerations of public policy.

            (iii) Neither the execution, delivery and performance of this
      Agreement, nor the fulfillment of or compliance with the terms and
      conditions of this Agreement by Seller, will (A) conflict with or result
      in a breach of any of the terms, conditions or provisions of Seller's
      articles or certificate of incorporation and bylaws or similar type
      organizational documents, as applicable; (B) conflict with, result in a
      breach of, or constitute a default or result in an acceleration under, any
      agreement or instrument to which Seller is now a party or by which it (or
      any of its properties) is bound if compliance therewith is necessary (1)
      to ensure the enforceability of this Agreement or (2) for Seller to
      perform its duties and obligations under this Agreement (or any agreement
      or document executed and delivered by Seller in connection herewith); (C)
      conflict with or result in a breach of any legal restriction if compliance
      therewith is necessary (1) to ensure the enforceability of this Agreement
      or (2) for Seller to perform its duties and obligations under this
      Agreement (or any agreement or document executed and delivered by Seller
      in connection herewith); (D) result in the violation of any law, rule,
      regulation, order, judgment or decree to which Seller or its property is
      subject if compliance therewith is necessary (1) to ensure the
      enforceability of this Agreement or (2) for Seller to perform its duties
      and obligations under this Agreement (or any agreement or document
      executed and delivered by Seller in connection herewith); or (E) result in
      the creation or imposition of any lien, charge or encumbrance that would
      have a material adverse effect upon Seller's ability to perform its duties
      and obligations under this Agreement (or any agreement or document
      executed and delivered by Seller in connection herewith), or materially
      impair the ability of Depositor to realize on the Mortgage Loans owned by
      Seller.

            (iv) Seller is solvent and the sale of the Mortgage Loans (1) will
      not cause Seller to become insolvent and (2) is not intended by Seller to
      hinder, delay or defraud any of its present or future creditors. After
      giving effect to its transfer of the Mortgage Loans, as provided herein,
      the value of Seller's assets, either taken at their present fair saleable
      value or at fair valuation, will exceed the amount of Seller's debts and
      obligations, including contingent and unliquidated debts and obligations
      of Seller, and Seller will not be left with unreasonably small assets or
      capital with which to engage in and conduct its business. Seller does not
      intend to, and does not believe that it will, incur debts or obligations
      beyond its ability to pay such debts and obligations as they mature. No
      proceedings looking toward liquidation, dissolution or bankruptcy of
      Seller are pending or contemplated.

            (v) No consent, approval, authorization or order of, or registration
      or filing with, or notice to, any court or governmental agency or body
      having jurisdiction or regulatory authority over Seller is required for
      (A) Seller's execution, delivery and performance of this Agreement (or any
      agreement or document executed and delivered by Seller in connection
      herewith), (B) Seller's transfer and assignment of the Mortgage Loans, or
      (C) the consummation by Seller of the transactions contemplated by this
      Agreement (or any agreement or document executed and delivered by Seller
      in connection herewith) or, to the extent so required, such consent,
      approval, authorization, order, registration, filing or notice has been
      obtained, made or given (as applicable), except for the filing or
      recording of assignments and other Mortgage Loan Documents contemplated by
      the terms of this Agreement and except that Seller may not be duly
      qualified to transact business as a foreign corporation or licensed in one
      or more states if such qualification or licensing is not necessary to
      ensure the enforceability of this Agreement (or any agreement or document
      executed and delivered by Seller in connection herewith).

            (vi) In connection with its sale of the Mortgage Loans, Seller is
      receiving new value. The consideration received by Seller upon the sale of
      the Mortgage Loans owned by it constitutes at least fair consideration and
      reasonably equivalent value for the Mortgage Loans.

            (vii) Seller does not believe, nor does it have any reason or cause
      to believe, that it cannot perform each and every covenant of Seller
      contained in this Agreement (or any agreement or document executed and
      delivered by Seller in connection herewith).

            (viii) There are no actions, suits or proceedings pending or, to
      Seller's knowledge, threatened in writing against Seller which are
      reasonably likely to draw into question the validity of this Agreement (or
      any agreement or document executed and delivered by Seller in connection
      herewith) or which, either in any one instance or in the aggregate, are
      reasonably likely to materially and adversely impair the ability of Seller
      to perform its duties and obligations under this Agreement (or any
      agreement or document executed and delivered by Seller in connection
      herewith).

            (ix) Seller's performance of its duties and obligations under this
      Agreement (and each agreement or document executed and delivered by Seller
      in connection herewith) is in the ordinary course of business of Seller
      and Seller's transfer, assignment and conveyance of the Mortgage Loans
      pursuant to this Agreement are not subject to the bulk transfer or similar
      statutory provisions in effect in any applicable jurisdiction. The
      Mortgage Loans do not constitute all or substantially all of Seller's
      assets.

            (x) Seller has not dealt with any Person that may be entitled, by
      reason of any act or omission of Seller, to any commission or compensation
      in connection with the sale of the Mortgage Loans to Depositor hereunder
      except for (A) the reimbursement of expenses as described herein or
      otherwise in connection with the transactions described in Section 2
      hereof and (B) the commissions or compensation owed to the Underwriters or
      the Initial Purchaser.

            (xi) Seller is not in default or breach of any agreement or
      instrument to which Seller is now a party or by which it (or any of its
      properties) is bound which breach or default would materially and
      adversely affect the ability of Seller to perform its obligations under
      this Agreement.

            (xii) The representations and warranties contained in Exhibit A
      hereto, subject to the exceptions to such representations and warranties
      set forth on Schedule V hereto, are true and correct in all material
      respects as of the date hereof with respect to the Mortgage Loans
      identified on Schedule II.

            (xiii) The information set forth in any Disclosure Information (as
      defined in the LaSalle Bank National Association Indemnification
      Agreement), as last forwarded to each prospective investor at or prior to
      the date on which a contract for sale was entered into with such
      prospective investor and when read in conjunction with the other
      Disclosure Information and the "Risk Factors" section of the Prospectus,
      (i) does not contain any untrue statement of a material fact or omit to
      state any material fact necessary to make the statements therein, in light
      of the circumstances under which they were made, not misleading and (ii)
      complies in all material respects with the disclosure requirements of
      Regulation AB (as defined in the LaSalle Bank National Association
      Indemnification Agreement); but only to the extent that (x)(i) such
      information relates to the Mortgage Loans and is contained in the Loan
      Detail (as defined in the LaSalle Bank National Association
      Indemnification Agreement) or, to the extent consistent therewith, the
      Diskette (as defined in the LaSalle Bank National Association
      Indemnification Agreement) or (ii) such information relates to the Seller
      (solely in its capacity as seller or sponsor) or the Mortgage Loans and
      was contained in the Offering Circular or the Prospectus Supplement under
      the headings "Summary of Prospectus Supplement--Relevant
      Parties/Entities--Sponsors and Mortgage Loan Sellers," "Summary of
      Prospectus Supplement--Relevant Parties/Entities--Originators," "Summary
      of Prospectus Supplement--The Underlying Mortgage Loans," "Risk
      Factors--Risks Related to the Underlying Mortgage Loans," "Description of
      the Sponsors and Mortgage Loan Sellers" and "Description of the Underlying
      Mortgage Loans" (but in no event including any information regarding the
      structure and basic parameters of the Certificates or the terms of the
      Pooling and Servicing Agreement or the Underwriting Agreement); (y) such
      information does not represent an incorrect restatement or an incorrect
      aggregation of correct information regarding the Mortgage Loans contained
      in the Loan Detail; and (z) such information was delivered to the Seller
      for the Seller's review within a reasonable time prior to its delivery to
      investors.

            (b) Seller hereby agrees that it shall be deemed to make, as of the
date of substitution, to and for the benefit of the Trustee as the holder of the
Mortgage Loan to be replaced, with respect to any replacement mortgage loan (a
"Replacement Mortgage Loan") that is substituted for a Mortgage Loan affected by
a Material Defect or a Material Breach, pursuant to Section 7 of this Agreement,
each of the representations and warranties set forth in Exhibit A hereto
(subject to exceptions disclosed at such time)(references therein to "Closing
Date" being deemed to be references to the "date of substitution" and references
therein to "Cut-off Date" being deemed to be references to the "most recent due
date for the subject Replacement Mortgage Loan on or before the date of
substitution"). From and after the date of substitution, each Replacement
Mortgage Loan, if any, shall be deemed to constitute a "Mortgage Loan" hereunder
for all purposes.

                    Section 7. Obligations of Seller. Each of the
representations and warranties contained in or required to be made by Seller
pursuant to Section 6 of this Agreement shall survive the sale of the Mortgage
Loans and shall continue in full force and effect, notwithstanding any
restrictive or qualified endorsement on the Notes and notwithstanding subsequent
termination of this Agreement or the Pooling and Servicing Agreement. The
representations and warranties contained in or required to be made by Seller
pursuant to Section 6 of this Agreement shall not be impaired by any review or
examination of the Mortgage Files or other documents evidencing or relating to
the Mortgage Loans or any failure on the part of Depositor to review or examine
such documents and shall inure to the benefit of the initial transferee of the
Mortgage Loans from Depositor including, without limitation, the Trustee for the
benefit of the Holders of the Certificates, notwithstanding (1) any restrictive
or qualified endorsement on any Note, assignment of Mortgage or reassignment of
Assignment of Leases or (2) any termination of this Agreement prior to the
Closing, but shall not inure to the benefit of any subsequent transferee
thereafter.

            If Seller receives notice of a breach of any of the representations
or warranties made by Seller with respect to the Mortgage Loans, as of the date
hereof in Section 6(a)(xii) or as of the Closing Date pursuant to Section
4(b)(iii) (in either case, subject to the exceptions to such representations and
warranties set forth in the Exception Report) or with respect to any Replacement
Mortgage Loan, as of the date of substitution pursuant to Section 6(b) (in any
such case, a "Breach"), or receives notice that (a) any document required to be
included in the Mortgage File related to any Mortgage Loan is not in the
Trustee's (or its designee's) possession within the time period required herein
or (b) such document has not been properly executed or is otherwise defective on
its face (clause (a) and clause (b) each, a "Defect" (which term shall include
the "Defects" detailed in the immediately following paragraph) in the related
Mortgage File), and if such Breach or Defect, as the case may be, materially and
adversely affects or is deemed hereby to materially and adversely affect, the
value of the related Mortgage Loan or any successor REO Loan or the interests of
any class of Certificateholders (any Breach or Defect that materially and
adversely affects the value of the related Mortgage Loan or the interests of any
class of Certificateholders, a "Material Breach" or a "Material Defect,"
respectively), then the Seller shall, upon written request of Depositor, the
Trustee, the applicable Master Servicer or the applicable Special Servicer, not
later than 90 days after the receipt by Seller of such written request (subject
to the second succeeding paragraph, the "Initial Resolution Period"): (i) cure
such Material Breach or Material Defect, as the case may be, in all material
respects; (ii) repurchase the affected Mortgage Loan at the applicable Purchase
Price (as defined in the Pooling and Servicing Agreement); or (iii) substitute,
in accordance with the Pooling and Servicing Agreement, one or more Qualified
Substitute Mortgage Loans (as defined in the Pooling and Servicing Agreement)
for such affected Mortgage Loan (provided that in no event shall any
substitution occur later than the second anniversary of the Closing Date) and
pay the applicable Master Servicer for deposit into the applicable Collection
Account any Substitution Shortfall Amount (as defined in the Pooling and
Servicing Agreement) in connection therewith; provided, however, that if (i)
such Material Breach or Material Defect is capable of being cured but not within
the Initial Resolution Period, (ii) such Material Breach or Material Defect does
not cause the related Mortgage Loan not to be a "qualified mortgage" (within the
meaning of Section 860G(a)(3) of the Code), (iii) Seller has commenced and is
diligently proceeding with the cure of such Material Breach or Material Defect
within the Initial Resolution Period and (iv) Seller has delivered to the Rating
Agencies, the applicable Master Servicer, the applicable Special Servicer and
the Trustee an Officer's Certificate that describes the reasons that the cure
was not effected within the Initial Resolution Period and the actions that it
proposes to take to effect the cure and that states that it anticipates the cure
will be effected within the additional 90-day period, then Seller shall have an
additional 90 days to cure such Material Defect or Material Breach. If any
Breach pertains to a representation or warranty that the related Mortgage Loan
Documents or any particular Mortgage Loan Document requires the related Borrower
to bear the costs and expenses associated with any particular action or matter
under such Mortgage Loan Document(s), then Seller shall cure such Breach within
the Initial Resolution Period by reimbursing the Trust Fund (by wire transfer of
immediately available funds) the reasonable amount of any such costs and
expenses incurred by the applicable Master Servicer, the applicable Special
Servicer, the Trustee or the Trust Fund that are the basis of such Breach and
have not been reimbursed by the related Borrower; provided, however, that in the
event any such costs and expenses exceed $10,000, Seller shall have the option
to either repurchase the related Mortgage Loan at the applicable Purchase Price,
replace such Mortgage Loan and pay any applicable Substitution Shortfall Amount
or pay such costs and expenses. Except as provided in the proviso to the
immediately preceding sentence, Seller shall remit the amount of such costs and
expenses and upon its making such remittance, Seller shall be deemed to have
cured such Breach in all respects. Provided such payment is made, the second
preceding sentence describes the sole remedy available to the Certificateholders
and the Trustee on their behalf regarding any such Breach, and Seller shall not
be obligated to repurchase, substitute or otherwise cure such Breach under any
circumstances. With respect to any repurchase of a Mortgage Loan hereunder or
any substitution of one or more Qualified Substitute Mortgage Loans for a
Mortgage Loan hereunder, (A) no such substitution may be made in any calendar
month after the Determination Date for such month; (B) scheduled payments of
principal and interest due with respect to the Qualified Substitute Mortgage
Loan(s) after the month of substitution, and scheduled payments of principal and
interest due with respect to each Mortgage Loan being repurchased or replaced
after the related Cut-off Date and received by the applicable Master Servicer or
the applicable Special Servicer on behalf of the Trust on or prior to the
related date of repurchase or substitution, shall be part of the Trust Fund; and
(C) scheduled payments of principal and interest due with respect to each such
Qualified Substitute Mortgage Loan on or prior to the Due Date in the month of
substitution, and scheduled payments of principal and interest due with respect
to each Mortgage Loan being repurchased or replaced and received by the
applicable Master Servicer or the applicable Special Servicer on behalf of the
Trust after the related date of repurchase or substitution, shall not be part of
the Trust Fund, and Seller (or, if applicable, any person effecting the related
repurchase or substitution in the place of Seller) shall be entitled to receive
such payments promptly following receipt by the applicable Master Servicer or
the applicable Special Servicer, as applicable, under the Pooling and Servicing
Agreement.

            Any of the following will cause a document in the Mortgage File to
be deemed to have a "Material Defect": (a) the absence from the Mortgage File of
the original signed Note, unless the Mortgage File contains a signed lost note
affidavit and indemnity; (b) the absence from the Mortgage File of the original
signed Mortgage, unless there is included in the Mortgage File a certified copy
of the Mortgage as recorded or as sent for recordation, together with a
certificate stating that the original signed Mortgage was sent for recordation,
or a copy of the Mortgage and the related recording information; (c) the absence
from the Mortgage File of the item called for by clause (i) of the definition of
Mortgage File in Section 3; (d) the absence from the Mortgage File of any
intervening assignments required to create an effective assignment to the
Trustee on behalf of the Trust, unless there is included in the Mortgage File a
certified copy of the intervening assignment as recorded or as sent for
recordation, together with a certificate stating that the original intervening
assignment was sent for recordation, or a copy of the intervening assignment and
the related recording information; or (e) the absence from the Mortgage File of
any required original letter of credit (unless such original has been delivered
to the applicable Master Servicer and copy thereof is part of the Mortgage
File), provided that such Defect may be cured by any substitute letter of credit
or cash reserve on behalf of the related Borrower; or (f) the absence from the
Mortgage File of the original or a copy of any required ground lease.
Notwithstanding anything herein to the contrary, the failure to include a
document checklist in a Mortgage File shall in no event constitute a Material
Defect.

            Any Defect or Breach which causes any Mortgage Loan not to be a
"qualified mortgage" (within the meaning of Section 860G(a)(3) of the Code)
shall be deemed a "Material Defect" or "Material Breach," as applicable, and the
Initial Resolution Period for the affected Mortgage Loan shall be 90 days
following the earlier of Seller's receipt of notice pursuant to this Section 7
or its discovery of such Defect or Breach (which period shall not be subject to
extension).

            If Seller does not, as required by this Section 7, correct or cure a
Material Breach or a Material Defect in all material respects within the
applicable Initial Resolution Period (as extended pursuant to this Section 7),
or if such Material Breach or Material Defect is not capable of being so
corrected or cured within such period (as extended pursuant to this Section 7),
then Seller shall repurchase or substitute for the affected Mortgage Loan as
provided in this Section 7. If (i) any Mortgage Loan is required to be
repurchased or substituted for as provided above, (ii) such Mortgage Loan is a
Crossed Mortgage Loan that is a part of a Mortgage Group (as defined below) and
(iii) the applicable Breach or Defect does not constitute a Breach or Defect, as
the case may be, as to any other Crossed Mortgage Loan in such Mortgage Group
(without regard to this paragraph), then the applicable Breach or Defect, as the
case may be, will be deemed to constitute a Breach or Defect, as the case may
be, as to any other Crossed Mortgage Loan in the Mortgage Group for purposes of
the above provisions, and Seller will be required to repurchase or substitute
for such other Crossed Mortgage Loan(s) in the related Mortgage Group in
accordance with the provisions of this Section 7 unless the Crossed Mortgage
Loan Repurchase Criteria would be satisfied if Seller were to repurchase or
substitute for only the affected Crossed Mortgage Loans as to which a Material
Breach or Material Defect had occurred without regard to this paragraph, and in
the case of either such repurchase or substitution, all of the other
requirements set forth in the Pooling and Servicing Agreement applicable to a
repurchase or substitution, as the case may be, would be so satisfied. In the
event that one or more of such other Crossed Mortgage Loans satisfy the Crossed
Mortgage Loan Repurchase Criteria, Seller may elect either to repurchase or
substitute for only the affected Crossed Mortgage Loan as to which the related
Breach or Defect exists or to repurchase or substitute for all of the Crossed
Mortgage Loans in the related Mortgage Group. Seller shall be responsible for
the cost of any Appraisal required to be obtained by the applicable Master
Servicer to determine if the Crossed Mortgage Loan Repurchase Criteria have been
satisfied, so long as the scope and cost of such Appraisal has been approved by
Seller (such approval not to be unreasonably withheld). For purposes of this
paragraph, a "Mortgage Group" is any group of Mortgage Loans identified as a
Mortgage Group on Schedule III to this Agreement.

                  Notwithstanding the foregoing, if there is a Material Breach
or Material Defect with respect to one or more Mortgaged Properties (but not all
of the Mortgaged Properties) with respect to a Mortgage Loan, Seller will not be
obligated to repurchase or substitute for the entire Mortgage Loan if the
affected Mortgaged Property may, pursuant to the partial release provisions in
the related Mortgage Loan Documents, be released and the Mortgaged Property
remaining after such release satisfies the requirements, if any, set forth in
the Mortgage Loan Documents and (i) Seller provides an opinion of counsel to the
effect that such partial release would not cause an Adverse REMIC Event (as
defined in the Pooling and Servicing Agreement) to occur, (ii) Seller pays (or
causes to be paid) the applicable release price required under the Mortgage Loan
Documents and, to the extent not reimbursable out of the release price pursuant
to the related Mortgage Loan Documents, any additional amounts necessary to
cover all reasonable out-of-pocket expenses reasonably incurred by the
applicable Master Servicer, the applicable Special Servicer, the Trustee or the
Trust Fund in connection therewith, including any unreimbursed advances and
interest thereon made with respect to the Mortgaged Property that is being
released and (iii) such cure by release of such Mortgaged Property is effected
within the time periods specified for cure of a Material Breach or Material
Defect in this Section 7.

            The Purchase Price or Substitution Shortfall Amount for any
repurchased or substituted Mortgage Loan shall be payable to Depositor or,
subsequent to the assignment of the Mortgage Loans to the Trustee, the Trustee
as its assignee, by wire transfer of immediately available funds to the account
designated by Depositor or the Trustee, as the case may be, and Depositor or the
Trustee, as the case may be, upon receipt of such funds (and, in the case of a
substitution, the Mortgage File(s) for the related Qualified Substitute Mortgage
Loans(s)), shall promptly release the related Mortgage File and Servicer File
(and all other documents pertaining to such Mortgage Loan possessed by the
Depositor or the Trustee, as applicable, or on its behalf, but excluding any
draft documents, attorney/client privileged communications and documents
prepared by the Depositor or the Trustee (or by the Master Servicer or the
Special Servicer on behalf of the Trust), as applicable, or any of its
Affiliates solely for internal communication) or cause them to be released, to
Seller and shall execute and deliver such instruments of transfer, endorsement
or assignment as shall be necessary to vest in Seller the legal and beneficial
ownership of such Mortgage Loan (including any property acquired in respect
thereof or proceeds of any insurance policy with respect thereto) and the
related Mortgage Loan Documents and shall deliver to Seller any escrow payments
and reserve funds held by it, or on its behalf, with respect to such repurchased
or replaced Mortgage Loan.

                  It is understood and agreed that the obligations of Seller set
forth in this Section 7 constitute the sole remedies available to Depositor and
its successors and assigns against Seller respecting any Breach or Defect
affecting a Mortgage Loan.

                  Section 8. Crossed Mortgage Loans. With respect to any Crossed
Mortgage Loan conveyed hereunder, to the extent that Seller repurchases or
substitutes for an affected Crossed Mortgage Loan in the manner prescribed above
while the Trustee continues to hold any related Crossed Mortgage Loans, Seller
and Depositor (on behalf of its successors and assigns) agree to modify upon
such repurchase or substitution, the related Mortgage Loan Documents in a manner
such that such affected Crossed Mortgage Loan repurchased or substituted by
Seller, on the one hand, and any related Crossed Mortgage Loans still held by
the Trustee, on the other, would no longer be cross-defaulted or
cross-collateralized with one another; provided that Seller shall have furnished
the Trustee, at Seller's expense, with an Opinion of Counsel that such
modification shall not cause an Adverse REMIC Event; and provided, further, that
if such Opinion of Counsel cannot be furnished, Seller and Depositor hereby
agree that such repurchase or substitution of only the affected Crossed Mortgage
Loans, notwithstanding anything to the contrary herein, shall not be permitted.
Any reserve or other cash collateral or letters of credit securing the subject
Crossed Mortgage Loans shall be allocated between such Mortgage Loans in
accordance with the Mortgage Loan Documents. All other terms of the Mortgage
Loans shall remain in full force and effect, without any modification thereof.

            Section 9. Rating Agency Fees; Costs and Expenses Associated with a
Defeasance. The Seller shall pay all Rating Agency fees associated with an
assumption of a Mortgage Loan to the extent such fees have not been paid by the
related Borrower and such Borrower is not required to pay them under the terms
of the related Mortgage Loan Documents in effect on or before the Closing Date,
the payment of which fees shall constitute the sole remedy of any breach by a
Seller of representation (xxviii)(1) set forth on Exhibit A hereto unless the
Seller elects to repurchase or substitute for such Mortgage Loan in accordance
with the second paragraph of Section 7. The Seller shall pay all reasonable
costs and expenses associated with a defeasance of a Mortgage Loan to the extent
such costs and expenses have not been paid by the related Borrower and such
Borrower is not required to pay them under the terms of the related Mortgage
Loan Documents in effect on or before the Closing Date, the payment of which
fees shall constitute the sole remedy of any breach by a Seller of
representation (liii)(F) set forth on Exhibit A hereto unless the Seller elects
to repurchase or substitute for such Mortgage Loan in accordance with the second
paragraph of Section 7.

            Section 10. Representations and Warranties of Depositor. Depositor
hereby represents and warrants to Seller as of the date hereof, as follows:

            (a) Depositor is duly organized and is validly existing as a
corporation in good standing under the laws of the State of Delaware, with full
corporate power and authority to own its assets and conduct its business as it
is conducted, and is duly qualified as a foreign corporation in good standing in
all jurisdictions in which the ownership or lease of its property or the conduct
of its business requires such qualification (except where the failure to qualify
would not have a materially adverse effect on the consummation of any
transactions contemplated by this Agreement).

            (b) The execution and delivery by Depositor of this Agreement and
the performance of Depositor's obligations hereunder are within the corporate
power of Depositor and have been duly authorized by Depositor and neither the
execution and delivery by Depositor of this Agreement nor the compliance by
Depositor with the provisions hereof, nor the consummation by Depositor of the
transactions contemplated by this Agreement, will (i) conflict with or result in
a breach of, or constitute a default under, the certificate of incorporation or
by-laws of Depositor or, after giving effect to the consents or taking of the
actions contemplated by clause (ii) of this paragraph (b), any of the provisions
of any law, governmental rule, regulation, judgment, decree or order binding on
Depositor or its properties, or any of the provisions of any material indenture
or mortgage or any other material contract or other instrument to which
Depositor is a party or by which it is bound or result in the creation or
imposition of any lien, charge or encumbrance upon any of its properties
pursuant to the terms of any such indenture, mortgage, contract or other
instrument or (ii) require any consent of, notice to, or filing with any person,
entity or governmental body, which has not been obtained or made by Depositor,
except where, in any of the instances contemplated by clause (i) above or this
clause (ii), the failure to do so will not have a material and adverse effect on
the consummation of any transactions contemplated by this Agreement.

            (c) This Agreement has been duly executed and delivered by Depositor
and this Agreement constitutes a legal, valid and binding instrument,
enforceable against Depositor in accordance with its terms, subject, as to the
enforcement of remedies, to applicable bankruptcy, reorganization, insolvency,
moratorium and other laws affecting the rights of creditors generally and to
general principles of equity and the discretion of the court (regardless of
whether enforcement of such remedies is considered in a proceeding in equity or
at law) and, as to rights of indemnification hereunder, subject to limitations
of public policy under applicable securities laws.

            (d) There is no litigation, charge, investigation, action, suit or
proceeding by or before any court, regulatory authority or governmental agency
or body pending or, to the knowledge of Depositor, threatened against Depositor
the outcome of which could be reasonably expected to materially and adversely
affect the consummation of any transactions contemplated by this Agreement.

            Section 11. Survival of Certain Representations, Warranties and
Covenants. The respective representations and warranties set forth in or made
pursuant to this Agreement, and the respective obligations of the parties hereto
under Sections 7 and 13 of this Agreement, will remain in full force and effect,
regardless of any investigation or statement as to the result thereof made by or
on behalf of any party and will survive payment for the various transfers
referred to herein and delivery of the Certificates or termination of this
Agreement.

            Section 12. Transaction Expenses. In connection with the Closing
(and unless otherwise expressly provided herein, including, without limitation,
in Section 13 of this Agreement), Seller shall be responsible for the fees and
expenses of its own counsel, and Depositor and Seller agree to pay the other
transaction expenses incurred in connection with the transactions herein
contemplated as set forth in the Closing Statement (or, if not covered thereby,
shall be paid by the party incurring the subject expense).

            Section 13. Recording Costs and Expenses. Seller agrees to reimburse
the Trustee or its designee all recording and filing fees and expenses incurred
by the Trustee or its designee in connection with the recording or filing of the
Mortgage Loan Documents listed in Section 3 of this Agreement, including
Assignments. In the event Seller elects to engage a third-party contractor to
prepare, complete, file and record Assignments with respect to Mortgage Loans as
provided in Section 3 of this Agreement, Seller shall contract directly with
such contractor and shall be responsible for such contractor's compensation and
reimbursement of recording and filing fees and other reimbursable expenses
pursuant to their agreement.

            Section 14. Notices. All demands, notices and communications
hereunder shall be in writing and effective only upon receipt, and, (a) if sent
to Depositor, will be mailed, delivered or telecopied and confirmed to it at
Credit Suisse First Boston Mortgage Securities Corp., 11 Madison Avenue, 5th
Floor, New York, New York 10010, Attention: Edmund Taylor, Telecopy No.: (212)
743-4756 (with a copy to Casey McCutcheon, Esq., Legal & Compliance Department,
Telecopy No.: (917) 326-8433), or such other address or telecopy number as may
be designated by Depositor to Seller in writing, or (b) if sent to Seller, will
be mailed, delivered or telecopied and confirmed to it at LaSalle Bank National
Association, 135 South LaSalle Street, Suite 3410, Chicago, Illinois 60603,
Attention: Brian Fetterolf, Telecopy No. (312) 904-0900 (with a copy to LaSalle
Bank Corporation, Legal Department, 135 South LaSalle Street, Suite 925,
Chicago, Illinois 60603, Attention: Marlene L. Ellis, Telecopy No. (312)
904-2340, or such other address or telecopy number as may be designated by
Seller to Depositor in writing.

            Section 15. Notice of Exchange Act Reportable Events. The Seller
hereby agrees to deliver to the Depositor and the Trustee any disclosure
information relating to any event, specifically relating to the Seller (in its
role as a sponsor or seller), reasonably determined in good faith by the
Depositor as required to be reported on Form 8-K, Form 10-D or Form 10-K by the
Trust Fund (in formatting reasonably appropriate for inclusion in such form),
including, without limitation, the disclosure required under Items 1117 and 1119
of Regulation AB and Item 1.03 to Form 8-K. The Seller shall use its
commercially reasonable efforts to deliver proposed disclosure language relating
to any event, specifically relating to the Seller (in its role as a sponsor or
seller), described under Items 1117 and 1119 of Regulation AB and Item 1.03 to
Form 8-K to the Trustee and the Depositor within two (2) business days after the
Seller becoming aware of such event and shall provide disclosure relating to any
other event reasonably determined by the Depositor as required to be disclosed
on Form 8-K, Form 10-D or Form 10-K by the Trust Fund within two (2) business
days following the Depositor's request for such disclosure language. The
obligation of the Seller to provide the above referenced disclosure materials in
any fiscal year of the Trust Fund will terminate upon the Trustee filing a Form
15 with respect to the Trust Fund as to that fiscal year in accordance with
Section 11.10(a) of the Pooling and Servicing Agreement or the Trust Fund's
reporting obligations under the Securities Exchange Act of 1934, as amended (the
"Exchange Act"), otherwise being automatically suspended. The Seller hereby
acknowledges that the information to be provided by it pursuant to this Section
will be used in the preparation of reports on Form 8-K, Form 10-D or Form 10-K
meeting the reporting requirements of the Trust Fund under Section 13(a) and/or
Section 15(d) of the Exchange Act.

            Section 16. Examination of Mortgage Files. Upon reasonable notice,
Seller, prior to the Closing Date, will make the Mortgage Files available to
Depositor or its agent for examination during normal business hours at Seller's
offices or such other location as shall otherwise be agreed upon by Depositor
and Seller. The fact that Depositor or its agent has conducted or has failed to
conduct any partial or complete examination of the Mortgage Files shall not
affect the rights of Depositor or the Trustee (for the benefit of the
Certificateholders) to demand cure, repurchase, or other relief as provided
herein.

            Section 17. Successors. This Agreement shall inure to the benefit of
and shall be binding upon Seller and Depositor and their respective successors
and, permitted assigns and nothing expressed in this Agreement is intended or
shall be construed to give any other Person any legal or equitable right, remedy
or claim under or in respect of this Agreement, or any provisions herein
contained, this Agreement and all conditions and provisions hereof being
intended to be and being for the sole and exclusive benefit of such designated
Persons and for the benefit of no other Person; it being understood that the
rights of Depositor pursuant to this Agreement, subject to all limitations
herein contained, including those set forth in Section 7 of this Agreement, may
be assigned to the Trustee, for benefit of the Certificateholders, as may be
required to effect the purposes of the Pooling and Servicing Agreement and, upon
such assignment, the Trustee shall succeed to such rights of Depositor
hereunder; provided that the Trustee shall have no right to further assign such
rights to any other Person. No owner of a Certificate issued pursuant to the
Pooling and Servicing Agreement shall be deemed a successor or permitted assign
because of such ownership.

            Section 18. Governing Law. THIS AGREEMENT SHALL BE GOVERNED AND
CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK APPLICABLE TO
AGREEMENTS TO BE MADE AND PERFORMED ENTIRELY WITHIN SUCH STATE WITHOUT GIVING
EFFECT TO CHOICE OF LAW PRINCIPLES.

            Section 19. Severability. If any provision of this Agreement shall
be prohibited or invalid under applicable law, this Agreement shall be
ineffective only to such extent, without invalidating the remainder of this
Agreement.

            Section 20. Further Assurances. Depositor and Seller agree to
execute and deliver such instruments and take such actions as the other party
may, from time to time, reasonably request in order to effectuate the purpose
and to carry out the terms of this Agreement.

            Section 21. Counterparts. This Agreement may be executed in
counterparts (and by each of the parties hereto on different counterparts), each
of which when so executed and delivered will be an original, and all of which
together will be deemed to constitute but one and the same instrument.

            Section 22. Treatment as Security Agreement. It is the express
intent of the parties hereto that the conveyance of the Mortgage Loans by Seller
to Depositor as provided in this Agreement be, and be construed as, a sale of
the Mortgage Loans by Seller to Depositor. It is, further, not the intention of
the parties that such conveyance be deemed a pledge of the Mortgage Loans by
Seller to Depositor to secure a debt or other obligation of Seller. However, in
the event that, notwithstanding the intent of the parties, the Mortgage Loans
are held to be property of Seller or if for any reason this Agreement is held or
deemed to create a security interest in the Mortgage Loans:

            (a) this Agreement shall hereby create a security agreement within
the meaning of Articles 8 and 9 of the Uniform Commercial Code in effect in the
applicable state;

            (b) the conveyance provided for in this Agreement shall hereby grant
from Seller to Depositor a security interest in and to all of Seller's right,
title, and interest, whether now owned or hereafter acquired, in and to:

            (i) all accounts, contract rights (including any guarantees),
      general intangibles, chattel paper, instruments, documents, money, deposit
      accounts, certificates of deposit, goods, letters of credit, advices of
      credit and investment property consisting of, arising from or relating to
      any of the property described in the Mortgage Loans, including the related
      Notes, Mortgages and title, hazard and other insurance policies,
      identified on the Mortgage Loan Schedule or that constitute Replacement
      Mortgage Loans, and all distributions with respect thereto payable after
      the Cut-off Date;

            (ii) all accounts, contract rights, general intangibles, chattel
      paper, instruments, documents, money, deposit accounts, certificates of
      deposit, goods, letters of credit, advices of credit and investment
      property arising from or by virtue of the disposition of, or collections
      with respect to, or insurance proceeds payable with respect to, or claims
      against other persons with respect to, all or any part of the collateral
      described in clause (i) above (including any accrued discount realized on
      liquidation of any investment purchased at a discount), in each case,
      payable after the Cut-off Date; and

            (iii) all cash and non-cash proceeds of the collateral described in
      clauses (i) and (ii) above payable after the Cut-off Date;

            (c) the possession by Depositor or its assignee of the Notes and
such other goods, letters of credit, advices of credit, instruments, money,
documents, chattel paper or certificated securities shall be deemed to be
possession by the secured party or possession by a purchaser or a person
designated by him or her, for purposes of perfecting the security interest
pursuant to the Uniform Commercial Code (including, without limitation, Sections
9-306, 9-313 and 9-314 thereof) as in force in the relevant jurisdiction;

            (d) notifications to persons holding such property, and
acknowledgments, receipts, confirmations from persons holding such property,
shall be deemed to be notifications to, or acknowledgments, receipts or
confirmations from, securities intermediaries, bailees or agents of, or persons
holding for (as applicable), Depositor or its assignee for the purpose of
perfecting such security interest under applicable law; and

            (e) Seller at the direction of Depositor or its assignee, shall, to
the extent consistent with this Agreement, take such actions as may be necessary
to ensure that, if this Agreement were deemed to create a security interest in
the Mortgage Loans and the proceeds thereof, such security interest would be a
perfected security interest of first priority under applicable law and will be
maintained as such throughout the term of this Agreement. In connection
herewith, Depositor and its assignee shall have all of the rights and remedies
of a secured party and creditor under the Uniform Commercial Code as in force in
the relevant jurisdiction and may prepare and file such UCC Financing Statements
as may be necessary or appropriate to accomplish the foregoing.

            Section 23. Amendment. This Agreement may be amended only by a
written instrument which specifically refers to this Agreement and is executed
by the Depositor and the Seller; provided, however, that unless such amendment
is to cure an ambiguity, mistake or inconsistency in this Agreement, no
amendment shall be permitted unless each Rating Agency has delivered a written
confirmation that such amendment will not result in a downgrade, withdrawal or
qualification of the then current ratings of the Certificates and the cost of
obtaining any Rating Agency confirmation shall be borne by the party requesting
such amendment. This Agreement shall not be deemed to be amended orally or by
virtue or any continuing custom or practice. No amendment to the Pooling and
Servicing Agreement which relates to defined terms contained herein or therein
or any obligations of the Seller whatsoever shall be effective against the
Seller unless the Seller shall have agreed to such amendment in writing.

                                           * * *

            IN WITNESS WHEREOF, the parties hereto have caused this Mortgage
Loan Purchase Agreement to be duly executed and delivered as the date first
above written.

                                       LASALLE NATIONAL ASSOCIATION,
                                       as Seller

                                       By:____________________________________
                                          Name:
                                          Title:

                                       CREDIT SUISSE FIRST BOSTON
                                       MORTGAGE SECURITIES CORP.,
                                       as Depositor

                                       By:____________________________________
                                          Name:
                                          Title:

                                                                    SCHEDULE I

                          SCHEDULE OF TRANSACTION TERMS

            This Schedule of Transaction Terms is appended to and incorporated
by reference in the Mortgage Loan Purchase Agreement (the "Agreement"), dated as
of September 1, 2006, between LaSalle Bank National Association (the "Seller")
and Credit Suisse First Boston Mortgage Securities Corp (the "Depositor").
Capitalized terms used herein without definition have the meanings given them in
or by reference in the Agreement or, if not defined in the Agreement, in the
Pooling and Servicing Agreement.

            "Affiliate" means with respect to any specified Person, any other
Person controlling or controlled by or under common control with such specified
Person.

            "Assignments" shall have the meaning given such term in Section 3 of
this Agreement.

            "Borrower" means the borrower under a Mortgage Loan.

            "Breach" shall have the meaning given such term in Section 7 of this
Agreement.

            "Certificate Purchase Agreement" means the Certificate Purchase
Agreement, dated September 21, 2006, between Depositor and the Initial
Purchaser.

            "Certificates" means the Credit Suisse First Boston Mortgage
Securities Corp., Commercial Mortgage Pass-Through Certificates, Series 2006-C4,
issued in multiple classes.

            "Closing" shall have the meaning given that term in Section 2
of this Agreement.

            "Closing Date" means September 28, 2006.

            "Closing Statement" means the closing statement dated as of the
Closing Date and signed by, among others, the parties to this Agreement.

            "Code" means the Internal Revenue Code of 1986, as amended.

            "Crossed Mortgage Loan" means any Mortgage Loan which is
cross-defaulted and cross-collateralized with any other Mortgage Loan.

            "Cut-off Date" means, individually and collectively, the applicable
Due Dates for the respective Mortgage Loans occurring in September 2006 (or with
respect to Mortgage Loans which had closing/funding dates in September 2006, the
respective closing/funding dates of such Mortgage Loans).

            "Defect" shall have the meaning given such term in Section 7 of this
Agreement.

            "Environmental Report" means the environmental audit report with
respect to each Mortgaged Property delivered to Seller in connection with the
related Mortgage, if any.

            "Exception Report" means the exceptions with respect to the
representations and warranties made by Seller as to the Mortgage Loans in
Section 6(a)(xii) and under the written certificate described in Section
4(b)(iii) of this Agreement, which exceptions are set forth in Schedule V
attached hereto and made a part hereof.

            "Initial Purchaser" means Credit Suisse Securities (USA) LLC.

            "Initial Resolution Period" shall have the meaning given such term
in Section 7 of this Agreement.

            "LaSalle Bank National Association Indemnification Agreement" means
the agreement by and among the Depositor, the Seller and each Underwriter.

            "Loan Agreement" means, with respect to any Mortgage Loan, the
loan agreement, if any, between the related Mortgage Loan Originator and the
related Borrower, pursuant to which such Mortgage Loan was made.

            "Material Breach" shall have the meaning given such term in Section
7 of this Agreement.

            "Material Defect" shall have the meaning given such term in Section
7 of this Agreement.

            "Mortgage File" means, collectively, the documents and instruments
pertaining to a Mortgage Loan required to be included in the related Mortgage
File pursuant to Section 3 of this Agreement (subject to the first proviso in
Section 1 of this Agreement).

            "Mortgage Group" shall have the meaning given such term in Section 7
of this Agreement.

            "Mortgage Loan" and "Mortgage Loans" shall have the respective
meanings given such terms in Recital II of this Agreement.

            "Mortgage Loan Documents" means, collectively, the documents and
instruments pertaining to a Mortgage Loan to be included in either the related
Mortgage File or the related Servicer File.

            "Mortgage Loan Originator" means any institution which originated a
Mortgage Loan for a related Borrower.

            "Mortgage Loan Purchase Price" means the amount described in Section
2 of this Agreement.

            "Mortgage Loan Schedule" shall have the meaning given such term in
Recital II of this Agreement.

            "Offering Circular" means the confidential offering circular dated
September 21, 2006, describing certain classes of the Private Certificates.

            "Pooling and Servicing Agreement" means the Pooling and Servicing
Agreement creating the Trust Fund and the interests therein, dated as of
September 1, 2006, among Depositor, the Master Servicers, the Special Servicers
and the Trustee, including, without limitation, the exhibits and schedules
annexed thereto.

            "Primary Collateral" means with respect to any Crossed Mortgage
Loan, that portion of the Mortgaged Property designated as directly securing
such Crossed Mortgage Loan and excluding any Mortgaged Property as to which the
related lien may only be foreclosed upon by exercise of the
cross-collateralization provisions of such Crossed Mortgage Loan.

            "Private Certificates" means the Certificates that are not Publicly
Offered Certificates.

            "Prospectus" means the Prospectus dated September 8, 2006, that is a
part of Depositor's registration statement on Form S-3 (File No. 333-129918).

            "Prospectus Supplement" means the Prospectus Supplement, dated
September 21, 2006, relating to the Publicly Offered Certificates.

            "Publicly Offered Certificates" means the Class A-1, Class A-2,
Class A-AB, Class A-3, Class A-4FL, Class A-1-A, Class A-M and Class A-J
Certificates.

            "Servicer File" means, collectively, all documents, records and
copies pertaining to a Mortgage Loan which are required to be included in the
related Servicer File pursuant to Section 3.

            "Trust Fund" or "Trust" shall have the meaning given such term in
Recital II of this Agreement.

            "Trustee" shall have the meaning given such term in Section 1 of
this Agreement.

            "Underwriters" means Credit Suisse Securities (USA) LLC, LaSalle
Financial Services, Inc., KeyBanc Capital Markets, Barclays Capital Inc.,
Wachovia Capital Markets, LLC and Greenwich Capital Markets, Inc.

            "Underwriting Agreement" means the Underwriting Agreement, dated
September 21, 2006, between Depositor and the Underwriters.

                                                                     SCHEDULE II

                             MORTGAGE LOAN SCHEDULE

                                  See Attached.

                                                                    SCHEDULE III

                   MORTGAGE LOANS CONSTITUTING MORTGAGE GROUPS

Group 1   Loan Name                        Cutoff Balance    Loan Seller
------------------------------------------------------------------------
          Rio Storage - Harlingen and         $2,252,315     LaSalle
          Rio Storage - Brownsville           $1,589,355     LaSalle

Group 2   Loan Name                        Cutoff Balance    Loan Seller
          Auto Zone - Jacksonville, FL        $975,000       LaSalle
          Auto Zone - Gaston, SC              $885,000       LaSalle
          Auto Zone - Winnsboro, SC           $705,000       LaSalle
-------------------------------------------------------------------------

                                                                    SCHEDULE IV

                         MORTGAGE LOANS WITH LOST NOTES

                                      None
                                                                     SCHEDULE V

                             EXCEPTIONS TO SELLER'S
                         REPRESENTATIONS AND WARRANTIES

            Reference is made to the Representations and Warranties set forth in
Exhibit A attached hereto corresponding to the paragraph numbers set forth
below:

Exception to Representations (v) and (xxxix)

Mortgage Loan                            Exception

174 Napa Industrial                      The mezzanine level of the building
                                         (which was constructed as an addition
                                         to the original building) located on
                                         the Mortgaged Property was constructed
                                         by the previous owners without a
                                         permit. Borrower is cooperating with
                                         the local municipality to complete
                                         certain repairs (that the local
                                         municipality required) to the Mortgaged
                                         Property. The estimated cost to
                                         complete the repairs is between $60,000
                                         and $100,000. Upon completion of the
                                         repairs, the local municipality will
                                         issue a final certificate of occupancy
                                         for the mezzanine level. A holdback in
                                         the amount of $175,000 was established
                                         at the closing of the Mortgage Loan to
                                         assure that such repairs are performed
                                         and that the certificate of occupancy
                                         will be obtained.
Exceptions to Representation (vii)

Mortgage Loans                           Exceptions

13 3434 North Washington Boulevard       There is an AB note structure in place.
                                         The original principal amount of the B
                                         Note is $4,500,000. The mortgagee and
                                         the B Note holder entered into an
                                         intercreditor agreement.

155 McKnight Retail                      There is an AB note structure in place.
                                         The original principal amount of the B
                                         Note is $237,500. The mortgagee and the
                                         B Note holder entered into an
                                         intercreditor agreement.

Exceptions to Representations (x) and (xiii)

Mortgage Loans                           Exceptions

13 3434 North Washington Boulevard       The Mortgaged Property is subject to a
                                         right of first refusal in favor of the
                                         tenant (SRA International Inc.). The
                                         right of first refusal does not apply
                                         with respect to any transfer of title
                                         to the mortgagee through a foreclosure
                                         or a deed-in-lieu of foreclosure,
                                         however, subsequent transfers will be
                                         subject to the right of first refusal.

35 Village Shoppes at Gainesville        The Mortgaged Property is subject to a
                                         right of first refusal in favor of the
                                         tenant (Publix). The right of first
                                         refusal does not apply with respect to
                                         any transfer of title to the mortgagee
                                         through a foreclosure or a deed-in-lieu
                                         of foreclosure, however, subsequent
                                         transfers will be subject to the right
                                         of first refusal.

96 Principal Life Building               The Mortgaged Property is subject to a
                                         right of first offer in favor of the
                                         tenant. The right of first offer does
                                         not apply with respect to any transfer
                                         of title to the mortgagee through a
                                         foreclosure or a deed-in-lieu of
                                         foreclosure, however, subsequent
                                         transfers will be subject to the right
                                         of first offer.

                                         The Mortgaged Property is subject to a
                                         development agreement with the City of
                                         Cedar Falls, Iowa (the "City"),
                                         pursuant to which agreement the City
                                         has the right to approve a purchaser of
                                         the Mortgaged Property at a foreclosure
                                         sale. The City can only deny a proposed
                                         purchaser if it reasonably determines
                                         that (i) the proposed purchaser does
                                         not have the ability to perform certain
                                         maintenance and insurance obligations
                                         as further detailed in the agreement
                                         with the City and to pay real estate
                                         taxes or (ii) the overall financial
                                         security provided to the City will be
                                         materially impaired. However, the
                                         current lender and its successors and
                                         assigns are permitted to foreclose on
                                         the Mortgaged Property without the
                                         City's consent.

114 Walgreens (Baltimore) Ingleside      Each Mortgaged Property is subject to
203 Walgreens - Amelia, OH               the right of first refusal to purchase
251 Walgreens -- Reno                    the respective Mortgaged Property in
                                         favor of the sole tenant (Walgreens).
                                         The right of first refusal does not
                                         apply with respect to any transfer of
                                         title to the mortgagee through a
                                         foreclosure or a deed-in-lieu of
                                         foreclosure, however, subsequent
                                         transfers will be subject to the right
                                         of first refusal.

327 Rite Aid - Shelbyville, KY           The Mortgaged Property is subject to a
                                         right of first refusal in favor of the
                                         tenant (Rite Aid). The right of first
                                         refusal does not apply with respect to
                                         any transfer of title to the mortgagee
                                         through a foreclosure or a deed-in-lieu
                                         of foreclosure, however, subsequent
                                         transfers will be subject to the right
                                         of first refusal.

Exceptions to Representation (xvi)

Mortgage Loans                           Exceptions

109 Copper Beach Townhomes IUP           The physical inspection report for the
                                         Mortgage Property is not within twelve
                                         (12) months of the date hereof, the
                                         physical inspection report was obtained
                                         in August, 2005.

114 Walgreens (Baltimore) Ingleside      The physical inspection report for the
                                         Mortgage Property is not within twelve
                                         (12) months of the date hereof, the
                                         physical inspection report was obtained
                                         in July, 2005.

126 Best Western - Tampa                 The physical inspection report for the
                                         Mortgage Property is not within twelve
                                         (12) months of the date hereof, the
                                         physical inspection report was obtained
                                         on September 1, 2005.

Exceptions to Representation (xxiii)

Mortgage Loans                           Exceptions

35 Village Shoppes at Gainesville        Borrower is required to obtain
                                         terrorism insurance only if coverage is
                                         commercially available for properties
                                         similar to the Mortgaged Property and
                                         located in and around the region in
                                         which the Mortgaged Property is
                                         located.

53 Stock Building Portfolio              Borrower is not required to obtain
                                         terrorism insurance, however, a
                                         principal has signed a carveout
                                         guaranty to cover any losses, costs or
                                         damages which may result from the
                                         failure to carry terrorism insurance.

76 Clerbrook RV Resort                   Neither borrower is required to obtain
176 ELS - Scenic MHP                     terrorism insurance, however, each
                                         Mortgaged Property is a manufactured
                                         housing facility.

114 Walgreens (Baltimore) Ingleside      Borrower may provide insurance through
                                         its tenant and the tenant (Walgreens)
                                         on the property has the right to self
                                         insure in lieu of third party
                                         insurance. A nonrecourse carveout was
                                         added for any losses, liabilities,
                                         damages, costs, expenses and claims
                                         sustained by mortgagee as a result of
                                         (x) mortgagee not being included as an
                                         additional insured under any insurance
                                         coverage provided by tenant (Walgreens)
                                         under its lease, or (y) borrower's lack
                                         of its own general liability insurance
                                         coverage naming mortgagee as an
                                         additional insured in the event that
                                         tenant (Walgreens) does not provide any
                                         such insurance coverage naming
                                         mortgagee as an additional insured.

203 Walgreens - Amelia, OH               Borrower may provide insurance through
251 Walgreens -- Reno                    its tenant and the tenant (Walgreens)
                                         on the property has the right to self
                                         insure in lieu of third party
                                         insurance. There may not be actual
                                         insurance policies in place covering
                                         terrorism or business interruption, but
                                         there is a nonrecourse carveout for
                                         losses relating to (a) lack of
                                         terrorism insurance and (b) loss of
                                         rents.

327 Rite Aid - Shelbyville, KY           Borrower may provide insurance through
                                         its tenant and the tenant (Rite Aid) on
                                         the property has the right to self
                                         insure in lieu of third party
                                         insurance. There may not be actual
                                         insurance policies in place covering
                                         terrorism, but there is a nonrecourse
                                         carveout for losses relating to a lack
                                         of terrorism insurance.

Exception to Representation (xxvi)

Mortgage Loan                            Exception

All LaSalle Loans                        Generally, Seller performs bankruptcy
                                         and insolvency searches prior to the
                                         closing of each Mortgage Loan and no
                                         subsequent searches are then performed
                                         by Seller with respect to any borrower.
                                         Therefore, to Seller's actual
                                         knowledge, no borrower is a debtor in a
                                         state or federal bankruptcy or
                                         insolvency proceeding.

Exception to Representation (xxvii)

Mortgage Loan                            Exception
                                         The Phase I environmental report for
179 Turnberry Apartments                 the Mortgaged Property recommended an
                                         implementation of an operations and
                                         maintenance plan for asbestos at the
                                         Mortgaged Property. Mortgagee did not
                                         require borrower to implement such a
                                         plan because it was determined that the
                                         asbestos materials were not widely
                                         distributed on the Mortgaged Property.

Exception to Representations (xxviii)

Mortgage Loan                            Exception

14 The Edge at Avenue North              The owner of borrower is the obligor on
                                         an existing mezzanine promissory note
                                         in the original principal amount of
                                         $15,000,000 (at the time of the closing
                                         of the transaction, only $10,000,000
                                         was advanced and is currently
                                         outstanding, however, the obligor has
                                         the right (subject to the satisfaction
                                         of certain conditions) to borrow the
                                         additional $5,000,000). The mortgagee
                                         and the mezzanine lender entered into
                                         an intercreditor agreement.

34 The Acropolis Portfolio               The respective Mortgage Loan Documents
69 Stadium Plaza North                   permit each borrower to obtain future
257 Greenwood Oaks Business Park         mezzanine debt subject to the
                                         satisfaction of certain terms and
                                         conditions as set forth in the
                                         respective Mortgage Loan Documents.

Exceptions to Representation (xxxi)

Mortgage Loans                           Exceptions

14 The Edge at Avenue North              (K) The Mortgaged Property is subject
                                         to a ground lease (under which the
                                         ground lessor is the Redevelopment
                                         Authority of the City of Philadelphia
                                         ("RDA")) and a subground lease (under
                                         which the subground lessor is Beech
                                         Interplex, a not-for-profit corporation
                                         and an affliate of RDA) both of which
                                         cover the entire Mortgaged Property.
                                         The ground lease and the subground
                                         lease are both silent on whether the
                                         lessor/sublessor or the
                                         lessee/sublessee has an option to
                                         terminate or modify the ground lease or
                                         subground lease (as appliable) without
                                         the prior written consent of the
                                         mortgagee as a result of any casualty
                                         or partial condemnation. However, each
                                         of the ground lease and the subground
                                         lease does provide that each of the
                                         ground lease and the subground lease
                                         (as applicable ) may not be terminated
                                         or amended by lessor/sublessor or
                                         lessee/sublessee without the
                                         mortgagee's consent.

                                         (L) Neither the ground lease nor the
                                         subground lease requires the lessor or
                                         sublessor (as applicable) to enter into
                                         a new lease with mortgagee following
                                         the termination or rejection of the
                                         ground lease. However, if the ground
                                         lease is terminated then the subground
                                         lease becomes the direct ground lease
                                         between the ground lessor and the
                                         subground lessee.

30 Baylor Medical Towers                 (B) The ground lease does not address
                                         whether any amendment, termination,
                                         modification or cancellation of the
                                         ground lease without mortgagee's
                                         consent is binding on such mortgagee.
                                         However, the Mortgage Loan Documents
                                         require borrower to obtain mortgagee's
                                         consent to any amendment, termination,
                                         modification or cancellation of the
                                         ground lease.

                                         (K) In the event of a casualty,
                                         mortgagee or a trustee may hold the
                                         insurance proceeds, but, the Mortgaged
                                         Property must be rebuilt.

                                         In the event of a condemnation, each
                                         party is permitted to keep its
                                         proportionate share of the condemnation
                                         award, however, if no improvements are
                                         impacted by such condemnation or if
                                         such condemnation does not
                                         substantially interfere with the
                                         lessee's use as set forth in the ground
                                         lease, then the lessor under the ground
                                         lease is entitled to the entire
                                         condemnation award.

                                         (L) The ground lease does not
                                         specifically require the lessor to
                                         enter into a new lease in the event of
                                         a rejection of the ground lease in
                                         connection with a bankruptcy.

Exceptions to Representation (xxxi) - cont'd
Mortgage Loans                           Exceptions

114 Walgreens (Baltimore) Ingleside      (B) The ground lease does not address
                                         whether any amendment, termination,
                                         modification or cancellation of the
                                         ground lease without mortgagee's
                                         consent is binding on such mortgagee.
                                         However, the Mortgage Loan Documents
                                         require borrower to obtain mortgagee's
                                         consent to any amendment, termination,
                                         modification or cancellation of the
                                         ground lease.

                                         (K) The ground lease is silent on
                                         whether the lessor or the lessee has an
                                         option to terminate or modify the
                                         ground lease without the prior written
                                         consent of the mortgagee as a result of
                                         any casualty or partial condemnation.
                                         However, the ground lease does provide
                                         that the ground lease may not be
                                         terminated or amended by lessor or
                                         lessee without the mortgagee's consent.

Exception to Representation (xxxvii)

Mortgage Loan                            Exception

49 Germantown Plaza                      At the time of each borrower's
56 Sandpiper Apartments                  formation, the borrower was not formed
                                         to be a Single Purpose Entity, however,
                                         prior to the closing of each borrower's
                                         Mortgage Loan, each borrower's
                                         organizational documents were amended
                                         to make such borrower's organizational
                                         documents comply with the Single
                                         Purpose Entity requirements.

128 Scripps Health Office                Borrower previously owned another
                                         parcel that was sold by borrower 4
                                         years ago. In addition, borrower owns
                                         one other parcel (a currently vacant
                                         residential lot) in addition to the
                                         Mortgaged Property. Currently, there is
                                         no debt encumbering the vacant lot and
                                         borrower is prohibited from acquiring
                                         any other properties or incurring other
                                         debt. Borrower has signed a nonrecourse
                                         carveout to indemnify the mortgagee
                                         from any losses suffered as a result of
                                         borrower acquiring any real property
                                         (other than the Mortgaged Property) at
                                         any time.

Exceptions to Representation (xl)

Mortgage Loans                           Exceptions

225 Jefferson Shoppes                    The Mortgaged Property does not consist
                                         of a separate tax parcel, however,
                                         borrower has submitted the paperwork to
                                         the applicable governmental agency in
                                         order to obtain a separate tax parcel.

228 AutoZone - Gaston, SC                The Mortgaged Property does not consist
                                         of a separate tax parcel. Borrower has
                                         an obligation under the Mortgage Loan
                                         Documents to obtain such separate tax
                                         parcel.

Exception to Representation (xlvii)

Mortgage Loan                            Exception

34 The Acropolis Portfolio               The Mortgaged Property is comprised of
                                         ten (10) condominium units in seven (7)
                                         buildings. One (1) or more such
                                         condominium units may be released from
                                         the lien of the Mortgage upon
                                         defeasance of 115% of the outstanding
                                         principal balance of the loan amount
                                         allocated to the condominium unit being
                                         released.

Exceptions to Representation (liv)

Mortgage Loans                           Exceptions

All LaSalle Loans                        Generally, the Mortgage Loan Documents
                                         do not have a non-recourse carveout for
                                         "waste," but they do have a
                                         non-recourse carveout for "material
                                         waste of the Mortgaged Property caused
                                         by the intentional or grossly negligent
                                         act or omission of Borrower, its
                                         agents, affiliates, officers and
                                         employees".

14 The Edge at Avenue North              Borrower is not liable for
                                         "misapplication or misappropriation",
                                         but the borrower is liable for
                                         "misapplication or conversion" of
                                         rents, insurance proceeds or
                                         condemnation awards.

                                         Borrower is not liable for "any willful
                                         act of material waste", but borrower is
                                         liable for "the removal or disposal of
                                         any portion of the Mortgaged Property
                                         after an Event of Default unless
                                         promptly replaced with property of the
                                         same utility and of the same or greater
                                         value".

24 East Gateway Center

                                         The aggregate liability of all
                                         tenant-in-common borrowers with respect
                                         to environmental matters is capped at
                                         $22 million, in the aggregate, for any
                                         breach contained in the related
                                         Mortgage Loan Documents.

34 The Acropolis Portfolio               Borrower is not liable for
                                         "misapplication or misappropriation",
                                         but the borrower is liable for
                                         "misapplication or conversion" of
                                         rents, insurance proceeds or
                                         condemnation awards. In addition,
                                         borrower is not liable for "willful act
                                         of material waste", but is liable for
                                         "the removal or disposal by Borrower of
                                         any portion of the Mortgaged Property
                                         after an Event of Default".

35 Village Shoppes of Gainesville        Borrower is not liable for "any willful
                                         act of material waste", but borrower is
                                         liable for "material physical waste".

                                         Borrower is not liable for
                                         "misapplication or misappropriation",
                                         but the borrower is liable for
                                         "misapplication or conversion" of
                                         rents, insurance proceeds or
                                         condemnation awards.

Exceptions to Representation (liv) - cont'd

Mortgage Loans                           Exceptions

76 Clerbrook RV Resort                   With respect to each Mortgage Loan, the
176 ELS - Scenic MHP                     respective borrower is not liable for
                                         "any willful act of material waste",
                                         but the respective borrower is liable
                                         for "any physical waste of the
                                         Mortgaged Property caused by the
                                         intentional or grossly negligent act(s)
                                         or omission(s) of the Borrower, its
                                         agents, affiliates officers and
                                         employees or the removal or disposal of
                                         any portion of the Mortgaged Property
                                         after and during the continuance of an
                                         Event of Default".

159 Fox Point Shops                      Borrower is not liable for "any willful
                                         act of material waste" but borrower is
                                         liable for "material physical waste".

Exceptions to Representation (lv)

Mortgage Loans                           Exception

13 3434 North Washington Boulevard       The respective Mortgage Loan Documents
34 The Acropolis Portfolio               provide for an initial interest only
                                         period before amortization commences.

Exception to Representation (lviii)

Mortgage Loan                            Exception

182 18th and Everett                     Borrower has a one time only right to
                                         encumber the Mortgaged Property with a
                                         junior mortgage loan. One of the
                                         conditions to the junior mortgage loan
                                         is that borrower executes an amendment
                                         to the senior note increasing the
                                         interest rate by 5 basis points.

<PAGE>

                                                                       EXHIBIT A

                    REPRESENTATIONS AND WARRANTIES OF SELLER
                          REGARDING THE MORTGAGE LOANS

            For purposes of these representations and warranties, the phrase "to
the knowledge of Seller" or "to Seller's knowledge" shall mean, except where
otherwise expressly set forth below, the actual state of knowledge of Seller or
any servicer acting on its behalf regarding the matters referred to, in each
case without having conducted any independent inquiry or due diligence with
respect to such matters and without any actual or implied obligation to make
such inquiry or perform such due diligence, other than making such inquiry or
performing such due diligence as would be customarily performed by prudent
commercial or multifamily mortgage lenders or servicers (as the case may be)
with respect to similar mortgage loans or mortgaged properties. All information
contained in documents which are part of or required to be part of a Mortgage
File shall be deemed to be within the knowledge of Seller. Wherever there is a
reference to receipt by, or possession of, Seller of any information or
documents, or to any action taken by Seller or not taken by Seller, such
reference shall include the receipt or possession of such information or
documents by, or the taking of such action or the not taking of such action by,
either Seller or any servicer acting on its behalf.

            Seller hereby represents and warrants, subject to the exceptions set
forth in the Exception Report annexed to this Agreement as Schedule V, with
respect to the Mortgage Loans that as of the date hereinbelow specified or, if
no such date is specified, as of the date of this Agreement:

            (i) Immediately prior to the sale, transfer and assignment to
Depositor, no Note or Mortgage was subject to any assignment (other than
assignments which show a complete chain of assignment to Seller), participation
or pledge, and Seller had good and marketable title to, and was the sole owner
of, the related Mortgage Loan;

            (ii) Each Mortgage Loan was either:

            (A)   originated by a savings and loan association, savings bank,
                  commercial bank, credit union, or insurance company, which is
                  supervised and examined by a Federal or State authority, or by
                  a mortgagee approved by the Secretary of Housing and Urban
                  Development pursuant to Sections 203 and 211 of the National
                  Housing Act (any of the foregoing, including Seller, a
                  "Qualified Originator"); or

            (B)   if originated by a person which is not a Qualified Originator
                  (any such person, a "Non-Qualified Originator"), then:

                  1.    such Mortgage Loan was underwritten in accordance with
                        standards established by a Qualified Originator, using
                        application forms and related credit documents approved
                        by the Qualified Originator;

                  2.    the Qualified Originator approved each application and
                        related credit documents before a commitment by the
                        Non-Qualified Originator was issued, and no such
                        commitment was issued until the Qualified Originator
                        agreed to fund such Mortgage Loan;

                  3.    the Mortgage Loan was originated by the Non-Qualified
                        Originator pursuant to an ongoing, standing relationship
                        with the Qualified Originator; and

                  4.    the closing documents for the Mortgage Loan were
                        prepared on forms approved by the Qualified Originator,
                        and, pursuant to the Non-Qualified Originator's ongoing,
                        standing relationship with the Qualified Originator,
                        either:

                        (x)   such closing documents reflect the Qualified
                              Originator as the original mortgagee, and such
                              Mortgage Loan was actually funded by the Qualified
                              Originator at the closing thereof;

                        (y)   such closing documents reflect the Non-Qualified
                              Originator as the original mortgagee, but include
                              assignment documents executed by the Non-Qualified
                              Originator in favor of the Qualified Originator at
                              the time of the closing of the Mortgage Loan,
                              reflecting the Qualified Originator as the
                              successor and assign to the Non-Qualified
                              Originator, and the Mortgage Loan was funded
                              initially by the Non-Qualified Originator at the
                              closing thereof and then acquired by the Qualified
                              Originator from such Non-Qualified Originator; or

                        (z)   such closing documents reflect the Non-Qualified
                              Originator as the original mortgagee, but include
                              assignment documents executed by the Non-Qualified
                              Originator in favor of the Qualified Originator at
                              the time of the closing of the Mortgage Loan,
                              reflecting the Qualified Originator as the
                              successor and assign to the Non-Qualified
                              Originator, and the Mortgage Loan was funded
                              initially by the Qualified Originator at the
                              closing thereof and then acquired by the Qualified
                              Originator from such Non-Qualified Originator.

            (iii) Seller has full right and authority to sell, assign and
transfer such Mortgage Loan and the assignment to Depositor constitutes a legal,
valid and binding assignment of such Mortgage Loan;

            (iv) Seller is transferring such Mortgage Loan free and clear of any
and all liens, pledges, charges or any other interests or security interests of
any nature encumbering such Mortgage Loan, except for interests in servicing
rights created or granted under the Pooling and Servicing Agreement,
subservicing agreements and/or servicing rights purchase agreements being
executed and delivered in connection herewith;

            (v) To Seller's knowledge, based on the related borrower's
representations and covenants in the related mortgage loan documents and such
other due diligence as a reasonably prudent commercial mortgage lender would
deem appropriate, the borrower, lessee and/or operator was in possession of all
licenses, permits, and authorizations then required for use of the Mortgaged
Property which were valid and in full force and effect as of the origination
date and, to Seller's actual knowledge, such licenses, permits and
authorizations are still valid and in full force and effect;

            (vi) Each related Note, Mortgage, Assignment of Leases (if any) and
other agreement executed by or for the benefit of the related borrower, any
guarantor or their successors or assigns in connection with such Mortgage Loan
is the legal, valid and binding obligation of the related borrower, enforceable
in accordance with its terms, except as such enforcement may be limited by
bankruptcy, insolvency, reorganization, liquidation, receivership, moratorium,
redemption or other laws affecting the enforcement of creditors' rights or by
general principles of equity (regardless of whether such enforceability is
considered in a proceeding in equity or at law); and there is no right of
offset, rescission, abatement or diminution or valid defense or counterclaim
available to the related borrower with respect to such Note, Mortgage,
Assignment of Leases and other agreements, except as the enforcement thereof may
be limited by bankruptcy, insolvency, reorganization, liquidation, receivership,
moratorium, redemption or other laws affecting the enforcement of creditors'
rights or by general principles of equity (regardless of whether such
enforceability is considered in a proceeding in equity or at law);

            (vii) The Mortgage File contains an Assignment of Leases, either as
a separate instrument or incorporated into the related Mortgage. Each related
Assignment of Leases creates a valid first priority collateral assignment of, or
a valid first priority lien or security interest in, certain rights under the
related lease or leases, subject only to a license granted to the related
borrower to exercise certain rights and to perform certain obligations of the
lessor under such lease or leases, including the right to operate the related
leased property, except as the enforcement thereof may be limited by bankruptcy,
insolvency, reorganization, liquidation, receivership, moratorium, redemption or
other laws affecting the enforcement of creditors' rights or by general
principles of equity (regardless of whether such enforceability is considered in
a proceeding in equity or at law); no person other than the related borrower
owns any interest in any payments due under such lease or leases that is
superior to or of equal priority with the lender's interest therein;

            (viii) Each related assignment of Mortgage from Seller to the
Trustee and related assignment of the Assignment of Leases, if the Assignment of
Leases is a separate document from the Mortgage, is in recordable form (but for
the insertion of the name and address of the assignee and any related recording
information, which is not yet available to Seller), and such assignments and any
assignment of any other agreement executed by or for the benefit of the related
borrower, any guarantor or their successors or assigns in connection with such
Mortgage Loan from Seller to the Trustee constitutes the legal, valid and
binding assignment from Seller to the Trustee, except as the enforcement thereof
may be limited by bankruptcy, insolvency, reorganization, liquidation,
receivership, moratorium, redemption or other laws relating to or affecting the
enforcement of creditors' rights or by general principles of equity (regardless
of whether such enforceability is considered in a proceeding in equity or at
law);

            (ix) Since origination (A) except as set forth in the related
Mortgage File, such Mortgage Loan has not been modified, altered, satisfied,
canceled, subordinated or rescinded in whole or in part and (B) each related
Mortgaged Property has not been released, in whole or in part, from the lien of
the related Mortgage in any manner which materially interferes with the security
intended to be provided by such Mortgage; and since September 21, 2006, no
waiver, consent, modification, assumption, alteration, satisfaction,
cancellation, subordination or rescission which changes the terms of, or the
security for, the Mortgage Loan in any material respect has occurred or been
given;

            (x) Each related Mortgage is a valid and enforceable first lien on
the related Mortgaged Property (subject to Permitted Encumbrances (as defined
below)), except as the enforcement thereof may be limited by bankruptcy,
insolvency, reorganization, liquidation, receivership, moratorium, redemption or
other laws affecting the enforcement of creditors' rights or by general
principles of equity (regardless of whether such enforceability is considered in
a proceeding in equity or at law), and except that, in the case of the 3434
North Washington Boulevard Mortgage Loan and the CBA Mortgage Loan known as
McKnight Retail, the related Mortgage encumbering the related Mortgaged Property
also secures one or more other mortgage loans; and such Mortgaged Property is
free and clear of any mechanics' and materialmen's liens which are prior to or
equal with the lien of the related Mortgage, except those which are insured
against by a lender's title insurance policy (as described below). A UCC
Financing Statement has been filed and/or recorded (or sent for filing or
recording) in all places necessary to perfect a valid security interest in the
personal property owned by the related borrower necessary to operate the
Mortgaged Property as currently operated; and such security interest is a first
priority security interest, subject to any prior purchase money security
interest in such personal property, any personal property leases applicable to
such personal property and any other security interest in such personal property
which do not, individually or in the aggregate, materially interfere with the
security intended to be provided for such Mortgage Loan. Any security agreement,
chattel mortgage or equivalent document related to and delivered in connection
with the Mortgage Loan establishes and creates a valid and enforceable lien on
the property described therein, except as such enforcement may be limited by
bankruptcy, insolvency, reorganization, liquidation, receivership, moratorium,
redemption or other laws affecting the enforcement of creditors' rights or by
general principles of equity (regardless of whether such enforceability is
considered in a proceeding in equity or at law). In the case of any Mortgage
Loan secured by a hotel, the related loan documents contain such provisions as
are necessary and UCC Financing Statements have been filed as necessary, in each
case, to perfect a valid first priority security interest in the related
operating revenues with respect to such Mortgaged Property. Notwithstanding the
foregoing, no representation is made as to the perfection of any security
interest in rent, operating revenues or other personal property to the extent
that possession or control of such items or actions other than the filing of UCC
Financing Statements are required in order to effect such perfection;

            (xi) Seller has not taken any action that would cause the
representations and warranties made by the related borrower in the related
Mortgage Loan Documents not to be true;

            (xii) Seller has no knowledge that the material representations and
warranties made by the related borrower in the related Mortgage Loan Documents
are not true in any material respect;

            (xiii) The lien of each related Mortgage is a first priority lien on
the fee or leasehold interest of the related borrower in the principal amount of
such Mortgage Loan or allocated loan amount of the portions of the Mortgaged
Property covered thereby (as set forth in the related Mortgage) after all
advances of principal and is insured by an ALTA lender's title insurance policy
(except that if such policy is yet to be issued, such insurance may be evidenced
by a "marked up" pro forma policy or title commitment in either case marked as
binding and countersigned by the title company or its authorized agent, either
on its face or by an acknowledged closing instruction or escrow letter), or its
equivalent as adopted in the applicable jurisdiction, insuring the named
mortgagee and its successors and assigns (as sole insured) as to such lien,
subject only to (A) the lien of current real property taxes, water charges,
sewer rents and assessments not yet delinquent or accruing interest or
penalties, (B) covenants, conditions and restrictions, rights of way, easements
and other matters of public record, none of which, individually or in the
aggregate, materially interferes with the current use of the Mortgaged Property
or the security intended to be provided by such Mortgage or with the borrower's
ability to pay its obligations when they become due or the value of the
Mortgaged Property, (C) the exceptions (general and specific) and exclusions set
forth in such policy, none of which, individually or in the aggregate,
materially interferes with the current general use of the Mortgaged Property or
materially interferes with the security intended to be provided by such Mortgage
or with the related borrower's ability to pay its obligations when they become
due or the value of the Mortgaged Property, (D) the rights of tenants, as
tenants only, under leases, including subleases, pertaining to the related
Mortgaged Property, (E) if the related Mortgage Loan is cross-collateralized
with any other Mortgage Loan, the lien of the mortgage instrument for that other
Mortgage Loan, (F) other matters to which like properties are commonly subject,
none of which, individually or in the aggregate, materially interferes with the
current general use of the Mortgaged Property or materially interferes with the
security intended to be provided by such Mortgage or with the related borrower's
ability to pay its obligations when they become due or the value of the
Mortgaged Property, (G) if such Mortgage Loan is part of a whole loan structure
as disclosed in the Prospectus Supplement, the rights of the holder of the
related companion loan pursuant to a co-lender agreement or pooling and
servicing agreement, and (H) if the related Mortgaged Property is a unit in a
condominium, the related condominium declaration (items (A), (B), (C), (D), (E),
(F), (G) and (H) collectively, "Permitted Encumbrances"), and except that, in
the case of the CBA Mortgage Loan known as McKnight Retail and the 3434 North
Washington Boulevard Mortgage Loan, the related Mortgage encumbering the related
Mortgaged Property also secures one or more other mortgage loans; and with
respect to each Mortgage Loan, such Permitted Encumbrances do not, individually
or in the aggregate, materially interfere with the security intended to be
provided by the related Mortgage, the current principal use of the related
Mortgaged Property or the current ability of the related Mortgaged Property to
generate income sufficient to service such Mortgage Loan; the premium for such
policy was paid in full; such policy (or if it is yet to be issued, the coverage
to be afforded thereby) is issued by a title insurance company licensed to issue
policies in the state in which the related Mortgaged Property is located (unless
such state is Iowa) and is assignable (with the related Mortgage Loan) to
Depositor and the Trustee without the consent of or any notification to the
insurer, and is in full force and effect upon the consummation of the
transactions contemplated by this Agreement; to Seller's knowledge no claims
have been made under such policy and Seller has not undertaken any action or
omitted to take any action, and has no knowledge of any such act or omission,
which would impair or diminish the coverage of such policy;

            (xiv) The proceeds of such Mortgage Loan have been fully disbursed
and there is no requirement for future advances thereunder, and no future
advances have been made which are not reflected in the related Mortgage File;

            (xv) Except as set forth in a property inspection report or
engineering report prepared in connection with the origination of the Mortgage
Loan, as of the later of the date of origination of such Mortgage Loan or the
most recent inspection of the related Mortgaged Property by Seller, as
applicable, and to the knowledge of Seller as of the date hereof, each related
Mortgaged Property is free of any material damage that would affect materially
and adversely the use or value of such Mortgaged Property as security for the
Mortgage Loan (normal wear and tear excepted). If any of the inspection or
engineering reports referred to above in this paragraph (xv) revealed any
immediate repair items, then one of the following is true: (A) the repairs
and/or maintenance necessary to correct such condition have been completed in
all material respects; (B) an escrow of funds is required or a letter of credit
was obtained in an amount reasonably estimated to be sufficient to materially
complete the repairs and/or maintenance necessary to correct such condition; or
(C) the reasonable estimation at the time of origination of the Mortgage Loan of
the cost to complete the repairs and/or maintenance necessary to correct such
condition represented no more than the greater of (1) $50,000 and (2) 2% of the
value of the related Mortgaged Property as reflected in an appraisal conducted
in connection with the origination of the subject Mortgage Loan; as of the
closing date for each Mortgage Loan and, to Seller's knowledge, as of the date
hereof, there is no proceeding pending for the total or partial condemnation of
such Mortgaged Property that would have a material adverse effect on the use or
value of the Mortgaged Property;

            (xvi) Seller has inspected or caused to be inspected each related
Mortgaged Property within the past twelve months, or the originator of the
Mortgage Loan inspected or caused to be inspected each related Mortgaged
Property within three months of origination of the Mortgage Loan;

            (xvii) No Mortgage Loan has a shared appreciation feature, any other
contingent interest feature or a negative amortization feature other than the
ARD Loans which may have negative amortization from and after the related
Anticipated Repayment Date;

            (xviii) Each Mortgage Loan is a whole loan, and neither the Mortgage
Loan nor the related Mortgage Loan Documents create or grant an equity
participation to the lender or any other party;

            (xix) The Mortgage Rate (exclusive of any default interest, late
charges, or prepayment premiums) of such Mortgage Loan complied as of the date
of origination with, or was exempt from, applicable state or federal laws,
regulations and other requirements pertaining to usury. Except to the extent any
noncompliance did not materially and adversely affect the value of the related
Mortgaged Property, the security provided by the Mortgage or the related
borrower's operations at the related Mortgaged Property, any and all other
requirements of any federal, state or local laws, including, without limitation,
truth-in-lending, real estate settlement procedures, equal credit opportunity or
disclosure laws, applicable to such Mortgage Loan have been complied with as of
the date of origination of such Mortgage Loan;

            (xx) Neither Seller nor, to Seller's knowledge, any originator,
committed any fraudulent acts during the origination process of any Mortgage
Loan and (i) the origination of each Mortgage Loan is in all respects legal,
proper and prudent in accordance with customary commercial mortgage lending
standards and (ii) the servicing and collection of each Mortgage Loan is in all
respects legal, proper and prudent in accordance with servicing standard and no
other person has been granted or conveyed the right to service the Mortgage
Loans or receive any consideration in connection therewith, except as provided
in the Pooling and Servicing Agreement or any permitted subservicing agreements
and/or servicing rights purchase agreements being executed and delivered in
connection herewith or therewith;

            (xxi) All taxes and governmental assessments that became due and
owing prior to the date hereof with respect to each related Mortgaged Property
and that are or may become a lien of priority equal to or higher than the lien
of the related Mortgage have been paid or an escrow of funds has been
established and such escrow (including all escrow payments required to be made
prior to the delinquency of such taxes and assessments) is sufficient to cover
the payment of such taxes and assessments;

            (xxii) All escrow deposits and payments required pursuant to each
Mortgage Loan are in the possession, or under the control, of Seller or its
agent and there are no deficiencies (subject to any applicable grace or cure
periods) in connection therewith, all such escrows and deposits are being
conveyed by Seller to Depositor and identified as such with appropriate detail,
and any and all requirements for the disbursement of any such escrows have been
complied with in all material respects;

            (xxiii) Each related Mortgaged Property is insured by a fire and
extended perils insurance policy, issued by an insurer meeting the requirements
of the Pooling and Servicing Agreement, in an amount not less than the lesser of
the principal amount of the related Mortgage Loan and the replacement cost (with
no deduction for physical depreciation) and not less than the amount necessary
to avoid the operation of any co-insurance provisions with respect to the
related Mortgaged Property; each related Mortgaged Property is also covered by
business interruption or rental loss insurance which covers a period of not less
than 12 months and comprehensive general liability insurance in amounts
generally required by prudent commercial mortgage lenders for similar
properties; all Mortgaged Properties in California or in a seismic zone 4 or 5
have had a seismic assessment done and earthquake insurance was obtained to the
extent any such Mortgaged Property has a probable maximum loss in the event of
an earthquake of greater than twenty percent (20%) of the replacement value of
the related improvements; if the Mortgaged Property for any Mortgage Loan is
located within Florida or within 25 miles of the coast of North Carolina, South
Carolina, Georgia, Alabama, Mississippi, Louisiana or Texas, then, such
Mortgaged Property is insured by windstorm insurance in an amount at least equal
to the lesser of (i) the outstanding principal balance of such Mortgage Loan and
(ii) 100% of the insurable replacement cost of the improvements located on the
related Mortgaged Property; the Mortgaged Properties securing all of the
Mortgage Loans having a Cut-off Date Principal Balance in excess of $3,000,000
have, as of the date hereof, insurance policies in place with respect to acts of
terrorism or damage related thereto (excluding acts involving nuclear,
biological or chemical terrorism), except any such Mortgage Loans that are
listed on the applicable Exception Report. All premiums on such insurance
policies required to be paid as of the date hereof have been paid; such
insurance policies or the related insurance certificates require prior notice to
the insured of reduction in coverage, termination or cancellation, and no such
notice has been received by Seller; such insurance names the lender under the
Mortgage Loan and its successors and assigns as a named or additional insured;
each related Mortgage Loan obligates the related borrower to maintain all such
insurance and, at such borrower's failure to do so, authorizes the lender to
maintain such insurance at the borrower's cost and expense and to seek
reimbursement therefor from such borrower;

            (xxiv) There is no monetary default, breach, violation or event of
acceleration existing under the related Mortgage Loan. To Seller's knowledge,
there is no (A) non-monetary default, breach, violation or event of acceleration
existing under the related Mortgage Loan or (B) event (other than payments due
but not yet delinquent) which, with the passage of time or with notice and the
expiration of any grace or cure period, would constitute a default, breach,
violation or event of acceleration, which default, breach, violation or event of
acceleration, in the case of either (A) or (B), would materially and adversely
affect the use or value of the Mortgage Loan or the related Mortgaged Property.
Notwithstanding the foregoing, this representation and warranty does not address
or otherwise cover any default, breach, violation or event of acceleration that
specifically pertains to any matter otherwise covered by any other
representation or warranty made by Seller elsewhere in this Exhibit A or the
Exception Report;

            (xxv) No Mortgage Loan has been more than 30 days delinquent in
making required payments since origination and as of the Cut-off Date no
Mortgage Loan is 30 or more days delinquent in making required payments;

            (xxvi) (A) Each related Mortgage contains provisions so as to render
the rights and remedies of the holder thereof adequate for the practical
realization against the Mortgaged Property of the principal benefits of the
security, including realization by judicial or, if applicable, non-judicial
foreclosure or, subject to applicable state law requirements, appointment of a
receiver, and (B) there is no exemption available to the borrower which would
interfere with such right to foreclose, except, in the case of either (A) or
(B), as the enforcement of the Mortgage may be limited by bankruptcy,
insolvency, reorganization, liquidation, receivership, moratorium, redemption or
other laws affecting the enforcement of creditors' rights or by general
principles of equity (regardless of whether such enforceability is considered in
a proceeding in equity or at law). No borrower is a debtor in a state or federal
bankruptcy or insolvency proceeding;

            (xxvii) At origination, each borrower represented and warranted in
all material respects that to its knowledge, except as set forth in certain
environmental reports and, except as commonly used in the operation and
maintenance of properties of similar kind and nature to the Mortgaged Property,
in accordance with prudent management practices and applicable law, and in a
manner that does not result in any contamination of the Mortgaged Property, it
has not used, caused or permitted to exist and will not use, cause or permit to
exist on the related Mortgaged Property any hazardous materials in any manner
which violates federal, state or local laws, ordinances, regulations, orders,
directives or policies governing the use, storage, treatment, transportation,
manufacture, refinement, handling, production or disposal of hazardous materials
or other environmental laws; and the related borrower agreed to indemnify,
defend and hold the mortgagee and its successors and assigns harmless from and
against losses, liabilities, damages, injuries, penalties, fines, expenses, and
claims of any kind whatsoever (including attorneys' fees and costs) paid,
incurred or suffered by, or asserted against, any such party resulting from a
breach of the foregoing representations, warranties or covenants given by the
borrower in connection with such Mortgage Loan. A Phase I environmental report
(or, with respect to residential cooperative loans with an original principal
balance of $350,000 or less, a transaction screen meeting ASTM standards) and,
with respect to certain Mortgage Loans, a Phase II environmental report was
conducted by a reputable independent environmental consulting firm in connection
with such Mortgage Loan, which report (or transaction screen) did not indicate
any material non-compliance with applicable environmental laws or material
existence of hazardous materials or, if any material non-compliance or material
existence of hazardous materials was indicated in any such report (or
transaction screen), then at least one of the following statements is true: (A)
funds reasonably estimated to be sufficient to cover the cost to cure any
material non-compliance with applicable environmental laws or material existence
of hazardous materials have been escrowed or a letter of credit in such amount
has been provided by the related borrower and held by the related mortgagee; (B)
if the environmental report recommended an operations and maintenance plan, but
not any material expenditure of funds, an operations and maintenance plan has
been required to be obtained by the related borrower; (C) the environmental
condition identified in the related environmental report was remediated or
abated in all material respects prior to the date hereof; (D) a no further
action or closure letter was obtained from the applicable governmental
regulatory authority (or the environmental issue affecting the related Mortgaged
Property was otherwise listed by such governmental authority as "closed"); (E)
such conditions or circumstances identified in the Phase I environmental report
were investigated further and based upon such additional investigation, an
environmental consultant recommended no further investigation or remediation;
(F) a party unrelated to the borrower with financial resources reasonably
estimated to be adequate to cure the condition or circumstance provided a
guaranty or indemnity to the related borrower to cover the costs of any required
investigation, testing, monitoring or remediation; (G) the expenditure of funds
reasonably estimated to be necessary to effect such remediation is not greater
than two percent (2%) of the outstanding principal balance of the related
Mortgage Loan; or (H) a lender's environmental insurance policy was obtained and
is a part of the related Mortgage File. Notwithstanding the preceding sentence,
with respect to certain Mortgage Loans with an original principal balance of
less than $4,000,000, no environmental report may have been obtained, but (in
such cases where a Phase I environmental report was not obtained) a lender's
secured creditor impaired property environmental insurance policy was obtained
with respect to each such Mortgage Loan. Each of such secured creditor impaired
property environmental insurance policies is a part of the related Mortgage
File. Each of such environmental insurance policies is in full force and effect,
is in an amount not less than the 100% of the balance of the related Mortgage
Loan, and has a term ending no sooner than the maturity date of the related
Mortgage Loan; the premiums for such policies have been paid in full; the
Trustee is named as an insured under each of such policies; and Seller has
delivered to the insurer all related environmental reports in its possession. To
Seller's knowledge, in reliance on the environmental reports referred to in the
second sentence of this paragraph (xxvii) and except as set forth in such
environmental reports, each Mortgaged Property is in material compliance with
all applicable federal, state and local environmental laws, and to Seller's
knowledge, no notice of violation of such laws has been issued by any
governmental agency or authority, except, in all cases, as indicated in such
environmental reports or other documents previously provided to the Rating
Agencies; and Seller has not taken any action which would cause the Mortgaged
Property to not be in compliance with all federal, state and local environmental
laws pertaining to environmental hazards;

            (xxviii) (1) Each Mortgage Loan contains provisions for the
acceleration of the payment of the unpaid principal balance of such Mortgage
Loan if, without the consent of the holder of the Mortgage (and the Mortgage
requires the mortgagor to pay all fees and expenses associated with obtaining
such consent), the related Mortgaged Property is directly or indirectly
transferred or sold, and (2) except with respect to transfers of certain
interests in the related borrower to persons already holding interests in the
borrower, their family members, affiliated companies and other estate planning
related transfers that satisfy certain criteria specified in the related
Mortgage (which criteria is consistent with the practices of prudent commercial
mortgage lenders) or any transfers in connection with the death or disability of
owners of the borrower or, if the related Mortgaged Property is a residential
cooperative property, transfers of stock of the related borrower in connection
with the assignment of a proprietary lease for a unit in the related Mortgaged
Property by a tenant-shareholder of the related borrower to other persons who by
virtue of such transfers become tenant-shareholders in the related borrower, or
transfers of less than a controlling interest in the related borrower, or
transfers of shares in public companies, issuance of non-controlling new equity
interests, transfers to affiliates, transfers among co-borrowers, transfers
among affiliated Mortgagors with respect to cross-collateralized Mortgage Loans,
or transfers, substitutions or releases of collateral provided within the
Mortgage Loan documents, or transfers that are subject to lender's approval of
transferee and satisfaction of certain conditions specified in the Mortgage Loan
documents, each Mortgage Loan also contains the provisions for the acceleration
of the payment of the unpaid principal balance of such Mortgage Loan if, without
the consent of the holder of the Mortgage (and the Mortgage requires the
mortgagor to pay all fees and expenses associated with obtaining such consent),
a majority interest in the related borrower is directly or indirectly
transferred or sold;

            (xxix) All improvements included in the related appraisal are within
the boundaries of the related Mortgaged Property, except for encroachments onto
adjoining parcels for which Seller has obtained title insurance against losses
arising therefrom or that do not materially and adversely affect the use or
value of such Mortgaged Property. No improvements on adjoining parcels encroach
onto the related Mortgaged Property except for encroachments that do not
materially and adversely affect the value of such Mortgaged Property, the
security provided by the Mortgage, the current use of the Mortgaged Property, or
the related borrower's operations at the Mortgaged Property;

            (xxx) The information pertaining to the Mortgage Loans which is set
forth in the Mortgage Loan Schedule attached as an exhibit to this Agreement is
complete and accurate in all material respects as of the dates of the
information set forth therein (or, if not set forth therein, as of the Cut-off
Date);

            (xxxi) With respect to any Mortgage Loan where all or any portion of
the estate of the related borrower therein is a leasehold estate under a ground
lease, and the related Mortgage does not also encumber the related lessor's fee
interest in such Mortgaged Property, based upon the terms of the ground lease
and any estoppel received from the ground lessor, Seller represents and warrants
that:

            (A)   The ground lease or a memorandum regarding such ground lease
                  has been duly recorded. The ground lease permits the interest
                  of the lessee to be encumbered by the related Mortgage and
                  does not restrict the use of the related Mortgaged Property by
                  such lessee, its successors or assigns in a manner that would
                  adversely affect the security provided by the related
                  Mortgage. To Seller's knowledge, there has been no material
                  change in the terms of the ground lease since its recordation,
                  except by any written instruments which are included in the
                  related mortgage file;

            (B)   The lessor under such ground lease has agreed in a writing
                  included in the related mortgage file that the ground lease
                  may not be amended, modified, canceled or terminated without
                  the prior written consent of the lender and that any such
                  action without such consent is not binding on the lender, its
                  successors or assigns;

            (C)   The ground lease has an original term (or an original term
                  plus one or more optional renewal terms, which, under all
                  circumstances, may be exercised, and would be enforceable, by
                  the lender) that extends not less than 20 years beyond the
                  stated maturity of the related Mortgage Loan;

            (D)   Based on the title insurance policy (or binding commitment
                  therefor) obtained by Seller, the ground lease is not subject
                  to any liens or encumbrances superior to, or of equal priority
                  with, the Mortgage, subject to Permitted Encumbrances and
                  liens that encumber the ground lessor's fee interest;

            (E)   Under the terms of the ground lease and any estoppel received
                  from the ground lessor, the ground lease is assignable to the
                  lender and its assigns without the consent of the lessor
                  thereunder;

            (F)   The ground lease is in full force and effect, Seller has no
                  actual knowledge that any default beyond applicable notice and
                  grace periods has occurred, and to Seller's knowledge, there
                  is no existing condition which, but for the passage of time or
                  giving of notice, would result in a default under the terms of
                  the ground lease;

            (G)   The ground lease or ancillary agreement, which is part of the
                  Mortgage File, between the lessor and the lessee requires the
                  lessor to give notice of any default by the lessee to the
                  lender;

            (H)   The lender is permitted a reasonable opportunity (including,
                  where necessary, sufficient time to gain possession of the
                  interest of the lessee under the ground lease through legal
                  proceedings, or to take other action so long as the lender is
                  proceeding diligently) to cure any default under the ground
                  lease which is curable after the receipt of notice of any
                  default before the lessor may terminate the ground lease. All
                  rights of the lender under the ground lease and the related
                  Mortgage (insofar as it relates to the ground lease) may be
                  exercised by or on behalf of the lender;

            (I)   The ground lease does not impose any restrictions on
                  subletting that would be viewed as commercially unreasonable
                  by a prudent commercial mortgage lender. The lessor is not
                  permitted, in absence of an uncured default, to disturb the
                  possession, interest or quiet enjoyment of any subtenant of
                  the lessee in the relevant portion of the Mortgaged Property
                  subject to the ground lease for any reason, or in any manner,
                  which would adversely affect the security provided by the
                  related Mortgage;

            (J)   Under the terms of the ground lease and the related Mortgage,
                  any related insurance proceeds or condemnation award (other
                  than in respect of a total or substantially total loss or
                  taking) will be applied either to the repair or restoration of
                  all or part of the related Mortgaged Property, with the lender
                  or a trustee appointed by it having the right to hold and
                  disburse such proceeds as repair or restoration progresses
                  (except in such cases where a provision entitling another
                  party to hold and disburse such proceeds would not be viewed
                  as commercially unreasonable by a prudent commercial mortgage
                  lender), or to the payment of the outstanding principal
                  balance of the Mortgage Loan, together with any accrued
                  interest, except that in the case of condemnation awards, the
                  ground lessor may be entitled to a portion of such award;

            (K)   Under the terms of the ground lease and the related Mortgage,
                  any related insurance proceeds, or condemnation award in
                  respect of a total or substantially total loss or taking of
                  the related Mortgaged Property will be applied first to the
                  payment of the outstanding principal balance of the Mortgage
                  Loan, together with any accrued interest (except as provided
                  by applicable law or in cases where a different allocation
                  would not be viewed as commercially unreasonable by a prudent
                  commercial mortgage lender, taking into account the relative
                  duration of the ground lease and the related Mortgage and the
                  ratio of the market value of the related Mortgaged Property to
                  the outstanding principal balance of such Mortgage Loan).
                  Until the principal balance and accrued interest are paid in
                  full, neither the lessee nor the lessor under the ground lease
                  will have an option to terminate or modify the ground lease
                  without the prior written consent of the lender as a result of
                  any casualty or partial condemnation; and

            (L)   Provided that the lender cures any defaults which are
                  susceptible to being cured, the lessor has agreed to enter
                  into a new lease upon termination of the ground lease for any
                  reason, including rejection of the ground lease in a
                  bankruptcy proceeding;

            (xxxii) With respect to any Mortgage Loan where all or a material
portion of the estate of the related borrower therein is a leasehold estate, but
the related Mortgage also encumbers the related lessor's fee interest in such
Mortgaged Property: (A) such lien on the related fee interest is evidenced by
the related Mortgage, (B) such Mortgage does not by its terms provide that it
will be subordinated to the lien of any other mortgage or encumbrance upon such
fee interest, (C) upon the occurrence of a default under the terms of such
Mortgage by the related borrower, any right of the related lessor to receive
notice of, and to cure, such default granted to such lessor under any agreement
binding upon the lender would not be considered commercially unreasonable in any
material respect by prudent commercial mortgage lenders, (D) the related lessor
has agreed in a writing included in the related Mortgage File that the related
ground lease may not be amended or modified without the prior written consent of
the lender and that any such action without such consent is not binding on the
lender, its successors or assigns, and (E) the related ground lease is in full
force and effect, and Seller has no actual knowledge that any default beyond
applicable notice and grace periods has occurred or that there is any existing
condition which, but for the passage of time or giving of notice, would result
in a default under the terms of such ground lease;

            (xxxiii) Except in the case of the 3434 North Washington Boulevard
Mortgage Loan and the CBA Mortgage Loan known as McKnight Retail with respect to
those Mortgage Loans that are cross-collateralized or cross-defaulted, all other
loans that are cross-collateralized or cross-defaulted with such Mortgage Loans
are being transferred to Depositor hereunder;

            (xxxiv) Neither Seller nor any affiliate thereof has any obligation
to make any capital contribution to any borrower under a Mortgage Loan, other
than contributions made on or prior to the date hereof;

            (xxxv) (A) The Mortgage Loan is directly secured by a Mortgage on a
commercial property or multifamily residential property, and (B) the fair market
value of such real property, as evidenced by an appraisal satisfying the
requirements of FIRREA conducted within 12 months of the origination of the
Mortgage Loan, was at least equal to 80% of the principal amount of the Mortgage
Loan (1) at origination (or if the Mortgage Loan has been modified in a manner
that constituted a deemed exchange under Section 1001 of the Code at a time when
the Mortgage Loan was not in default or default with respect thereto was not
reasonably foreseeable, the date of the last such modification) or (2) at the
date hereof; provided that the fair market value of the real property must first
be reduced by (x) the amount of any lien on the real property interest that is
senior to the Mortgage Loan and (y) a proportionate amount of any lien that is
in parity with the Mortgage Loan (unless such other lien secures a Mortgage Loan
that is cross-collateralized with such Mortgage Loan, in which event the
computation described in (B) shall be made on an aggregated basis);

            (xxxvi) There are no subordinate mortgages encumbering the related
Mortgaged Property, nor are there any preferred equity interests held by the
lender or any mezzanine debt related to such Mortgaged Property, except as set
forth in the Prospectus Supplement, in this Exhibit A or in the Exception
Report;

            (xxxvii) Except in cases where the related Mortgaged Property is a
residential cooperative property, the Mortgage Loan Documents executed in
connection with each Mortgage Loan having an original principal balance in
excess of $5,000,000 require that the related borrower be a Single-Purpose
Entity (for this purpose, "Single-Purpose Entity" shall mean an entity, other
than an individual, having organizational documents which provide substantially
to the effect that during the term of the Mortgage Loan the purpose of the
borrower is owning and operating one or more Mortgaged Properties (and with
respect to a Mortgage Loan having an original balance in excess of $15,000,000
such organizational documents provide substantially that such entity is formed
or organized solely for the purpose of the borrower owning and operating one or
more Mortgaged Properties), is prohibited from engaging in any business
unrelated to such property and the related Mortgage Loan, does not have any
assets other than those related to its interest in the related Mortgaged
Property or its financing, or any indebtedness other than as permitted under the
related Mortgage Loan). To Seller's actual knowledge, each borrower has fully
complied with the requirements of the related Note and Mortgage and borrower's
organizational documents regarding Single-Purpose Entity status;

            (xxxviii) Except in cases where the related Mortgaged Property is a
residential cooperative property, each Mortgage Loan prohibits the related
borrower from mortgaging or otherwise encumbering the Mortgaged Property, or any
controlling equity interest in the borrower, without the prior written consent
of the mortgagee or the satisfaction of debt service coverage or similar
criteria specified in the Note or Mortgage which would be acceptable to a
reasonably prudent commercial mortgage lender, and, except in connection with
trade debt and equipment financings in the ordinary course of borrower's
business, from carrying any additional indebtedness, except, in each case, liens
contested in accordance with the terms of the Mortgage Loans or, with respect to
each Mortgage Loan having an original principal balance of less than $4,000,000,
any unsecured debt;

            (xxxix) Each borrower covenants in the Mortgage Loan Documents that
it shall remain in material compliance with all material licenses, permits and
other legal requirements necessary and required to conduct its business;

            (xl) Each Mortgaged Property (A) is located on or adjacent to a
dedicated road, or has access to an irrevocable easement permitting ingress and
egress, (B) is served by public or private utilities and services generally
available in the surrounding community or otherwise appropriate for the use in
which the Mortgaged Property is currently being utilized, and (C) constitutes
one or more separate tax parcels or is covered by an endorsement with respect to
the matters described in (A), (B) or (C) under the related title insurance
policy (or the binding commitment therefor);

            (xli) Based solely on a flood zone certification or a survey of the
related Mortgaged Property, if any portion of the improvements on the Mortgaged
Property is located in an area identified by the Federal Emergency Management
Agency or the Secretary of Housing and Urban Development as having special flood
hazards categorized as Zone "A" or Zone "V" and flood insurance is available,
the terms of the Mortgage Loan require the borrower to maintain flood insurance,
or at such borrower's failure to do so, authorizes the lender to maintain such
insurance at the cost and expense of the borrower and such insurance is in full
force and effect in an amount not less than the lesser of (A) the replacement
cost of the material improvements on such Mortgaged Property, (B) the balance of
the Mortgage Loan and (C) the maximum amount of insurance available under the
applicable National Flood Insurance Administration Program;

            (xlii) With respect to each Mortgage which is a deed of trust, a
trustee, duly qualified under applicable law to serve as such, currently so
serves and is named in the deed of trust or has been substituted in accordance
with applicable law or may be substituted in accordance with applicable law by
the related mortgagee, and except in connection with a trustee's sale after a
default by the related borrower, no fees are payable to such trustee, and such
fees payable are payable by the borrower;

            (xliii) Except as disclosed in the Exception Report to this
Agreement, to the knowledge of Seller as of the date hereof, there was no
pending action, suit or proceeding, arbitration or governmental investigation
against any borrower or Mortgaged Property, an adverse outcome of which would
materially and adversely affect such borrower's ability to perform under the
related Mortgage Loan;

            (xliv) Other than in connection with the origination of the Mortgage
Loan and any related companion mortgage loan, no advance of funds has been made
by Seller to the related borrower (other than mezzanine debt and the acquisition
of preferred equity interests by the preferred equity interest holder, as
disclosed in the Prospectus Supplement), and no funds have, to Seller's
knowledge, been received from any person other than, or on behalf of, the
related borrower, for, or on account of, payments due on the Mortgage Loan;

            (xlv) To the extent required under applicable law, as of the Cut-off
Date or as of the date that such entity held the Note, each holder of the Note
was authorized to transact and do business in the jurisdiction in which each
related Mortgaged Property is located, or the failure to be so authorized did
not materially and adversely affect the enforceability of such Mortgage Loan;

            (xlvi) All collateral (except for interests in servicing rights
created or granted under the Pooling and Servicing Agreement, subservicing
agreements and/or servicing rights purchase agreements) for the Mortgage Loans
is being transferred as part of the Mortgage Loans;

            (xlvii) Except as disclosed in the Exception Report or the
Prospectus Supplement with respect to the Crossed Mortgage Loans and Mortgage
Loans secured by multiple, non-contiguous real properties, no Mortgage Loan
requires the lender to release any portion of the Mortgaged Property from the
lien of the related Mortgage except upon (A) payment in full or defeasance of
the related Mortgage Loan, (B) the satisfaction of certain legal and
underwriting requirements that would be customary for prudent commercial
mortgage lenders, which in all events include payment of a release price at
least 125% of the appraised value of the property to be released or of the
allocated loan amount of such property, (C) releases of unimproved out-parcels
or (D) releases of other portions of the Mortgaged Property which will not have
a material adverse effect on the use or value of the collateral for the related
Mortgage Loan and which were given no value in the appraisal of the Mortgaged
Property or of that portion of the Mortgaged Property used to calculate the
loan-to-value ratio of the Mortgaged Property for underwriting purposes. No
release or partial release of any Mortgaged Property, or any portion thereof,
expressly permitted or required pursuant to the terms of any Mortgage Loan would
constitute a significant modification of the related Mortgage Loan under Treas.
Reg. Section 1.860G-2(b)(2);

            (xlviii) Any insurance proceeds in respect of a casualty loss or
taking will be applied either to (A) the repair or restoration of all or part of
the related Mortgaged Property, with, in the case of all casualty losses or
takings in excess of a specified amount or percentage of the related loan amount
that a prudent commercial lender would deem satisfactory and acceptable, the
lender (or a trustee appointed by it) having the right to hold and disburse such
proceeds as the repair or restoration progresses (except in any case where a
provision entitling another party to hold and disburse such proceeds would not
be viewed as commercially unreasonable by a prudent commercial mortgage lender)
or (B) to the payment of the outstanding principal balance of such Mortgage Loan
together with any accrued interest thereon;

            (xlix) Each UCC Financing Statement, if any, filed with respect to
personal property constituting a part of the related Mortgaged Property and each
assignment, if any, of such UCC Financing Statement to Seller was, and each
assignment, if any, of such UCC Financing Statement in blank which the Trustee
or its designee is authorized to complete (but for the insertion of the name of
the assignee and any related filing information which is not yet available to
Seller) is, in suitable form for filing in the filing office in which such UCC
Financing Statement was filed;

            (l) To Seller's knowledge, (A) each commercial lease covering more
than 10% (20% in the case of any Mortgage Loan having an original principal
balance less than $2,500,000) of the net leaseable area of the related Mortgaged
Property is in full force and effect and (B) there exists no default under any
such commercial lease either by the lessee thereunder or by the related borrower
that could give rise to the termination of such lease;

            (li) Based upon an opinion of counsel and/or other due diligence
considered reasonable by prudent commercial mortgage lenders in the lending area
where the subject property is located, the improvements located on or forming
part of each Mortgaged Property comply with applicable zoning laws and
ordinances, or constitute a legal non-conforming use or structure or, if any
such improvement does not so comply, such non-compliance does not materially and
adversely affect the value of the related Mortgaged Property or is covered by
law and ordinance insurance or title insurance. With respect to Mortgage Loans
with a Cut-off Date Principal Balance of over $10,000,000, if the related
Mortgaged Property does not so comply, to the extent Seller is aware of such
non-compliance, it has required the related borrower to obtain title insurance
or law and ordinance insurance coverage in amounts customarily required by
prudent commercial mortgage lenders;

            (lii) Each Mortgage Loan constitutes a "qualified mortgage" within
the meaning of Section 860G(a)(3) of the Code (but without regard to the rule in
Treasury Regulation (as defined herein) Section 1.860G-2(f)(2) that treats a
defective obligation as a qualified mortgage or any substantially similar
successor provision), the related Mortgaged Property, if acquired by a REMIC in
connection with the default or imminent default of such Mortgage Loan would
constitute "foreclosure property" within the meaning of Code Section 860G(a)(8)
upon foreclosure (provided Section 3.17(b)(i)-(iv) of the Pooling and Servicing
Agreement is complied with) and all Prepayment Premiums and Yield Maintenance
Charges with respect to such Mortgage Loan constitute "customary prepayment
penalties" within the meaning of Treasury Regulation Section 1.860G-1(b)(2);

            (liii) With respect to any Mortgage Loan that pursuant to the
Mortgage Loan Documents can be defeased, (A) the Mortgage Loan cannot be
defeased within two years after the Closing Date, (B) the borrower can pledge
only United States government securities in an amount sufficient to make all
scheduled payments which may be through the prepayment date or anticipated
repayment date under the Mortgage Loan when due, (C) the borrower is required to
provide independent certified public accountant's certification that the
collateral is sufficient to make such payments, (D) the loan may be required to
be assumed by a single-purpose entity designated by the holder of the Mortgage
Loan, (E) the borrower is required to provide an opinion of counsel that the
trustee has a perfected security interest in such collateral prior to any other
claim or interest, (F) the borrower is required to pay all Rating Agency fees
associated with defeasance (if rating confirmation is a specific condition
precedent thereto) and all other reasonable expenses associated with defeasance,
including, but not limited to, accountant's fees and opinions of counsel, (G)
with respect to any Significant Loan (as defined in the Pooling and Servicing
Agreement), the borrower is required to provide an opinion of counsel that such
defeasance will not cause any REMIC created under the Pooling and Servicing
Agreement to fail to qualify as a REMIC for federal or applicable state tax
purposes and (H) with respect to any Significant Loan (as defined in the Pooling
and Servicing Agreement), the borrower must obtain confirmation from each Rating
Agency that the defeasance would not result in such Rating Agency's withdrawal,
downgrade or qualification of the then current rating of any class of
Certificates rated by such Rating Agency;

            (liv) The Mortgage Loan Documents for each Mortgage Loan provide
that the related borrower thereunder shall be liable to the lender for any
losses incurred by the lender due to (A) the misapplication or misappropriation
of rents, insurance proceeds or condemnation awards, (B) any willful act of
material waste, (C) any breach of the environmental covenants contained in the
related Mortgage Loan Documents, and (D) fraud by the related borrower; provided
that, with respect to clause (C) of this sentence, an indemnification against
losses related to such violations or environmental insurance shall satisfy such
requirement; and provided, further, that, if the related Mortgaged Property is a
residential cooperative property, then the subject Mortgage Loan is fully
recourse to the borrower;

            (lv) If such Mortgage Loan is an ARD Loan, it commenced amortizing
on its initial scheduled Due Date and provides that: (A) its Mortgage Rate will
increase by no less than two percentage points in connection with the passage of
its Anticipated Repayment Date and so long as the Mortgage Loan is an asset of
the Trust Fund; (B) its Anticipated Repayment Date is not less than seven years
following the origination of such Mortgage Loan; (C) no later than the related
Anticipated Repayment Date, if it has not previously done so, the related
borrower is required to enter into a "lockbox agreement" whereby all revenue
from the related Mortgaged Property shall be deposited directly into a
designated account controlled by the applicable Master Servicer; and (D) any
cash flow from the related Mortgaged Property that is applied to amortize such
Mortgage Loan following its Anticipated Repayment Date shall, to the extent such
net cash flow is in excess of the Monthly Payment payable therefrom, be net of
budgeted and discretionary (servicer approved) capital expenditures;

            (lvi) Except as disclosed in the Prospectus Supplement, no Mortgage
Loan, and no group of Mortgage Loans made by Seller (as listed on Schedule II)
to the same borrower and to borrowers that are Affiliates, accounted for more
than 5.0% of the aggregate of the Cut-off Date Principal Balances of all of the
mortgage loans (including the Mortgage Loans) sold to Depositor by Column
Financial, Inc., LaSalle Bank National Association, Barclays Capital Real Estate
Inc., NCB, FSB and KeyBank National Association pursuant to those certain
Mortgage Loan Purchase Agreements, each dated as of September 1, 2006, between
Depositor and Column Financial, Inc., LaSalle Bank National Association,
Barclays Capital Real Estate Inc., NCB, FSB and KeyBank National Association,
respectively, as of the Cut-off Date;

            (lvii) Except for the Mortgage Loans with an initial principal
balance less than $3,000,000, in connection with its origination or acquisition
of each Mortgage Loan, Seller obtained an appraisal of the related Mortgaged
Property, which appraisal is signed by an appraiser, who, to Seller's actual
knowledge, had no interest, direct or indirect, in the borrower, the Mortgaged
Property or in any loan made on the security of the Mortgaged Property, and
whose compensation was not affected by the approval or disapproval of the
Mortgage Loan; and

            (lviii) Each Mortgage Loan bears interest at a rate that remains
fixed throughout the remaining term of such Mortgage Loan, except in the case of
an ARD Loan after its Anticipated Repayment Date and except for the imposition
of a default rate.

                                                                      EXHIBIT B

                             AFFIDAVIT OF LOST NOTE

STATE OF NEW YORK      )
                       )  ss.:

COUNTY OF NEW YORK     )

            ____________________________, being duly sworn, deposes and says:

            1. that he is an authorized signatory of LaSalle Bank National
Association. ("LaSalle");

            2. that _______________ is the owner and holder of a mortgage loan
in the original principal amount of $______________ secured by a mortgage (the
"Mortgage") on the premises known as ______________ ______________ located in
______________;

            3. that _______________, after having conducted a diligent
investigation of its records and files, has been unable to locate the following
original note and believes that said original note has been lost, misfiled,
misplaced or destroyed due to a clerical error:

            a note in the original sum of $______________ made by
______________, to _______________, under date of ______________ (the "Note");

            4. that the Note is now owned and held by _______________;

            5. that the copy of the Note attached hereto is a true and correct
copy thereof;

            6. that the Note has not been paid off, satisfied, assigned,
transferred, encumbered, endorsed, pledged, hypothecated, or otherwise disposed
of and that the original Note has been either lost, misfiled, misplaced or
destroyed;

            7. that no other person, firm, corporation or other entity has any
right, title, interest or claim in the Note except _______________; and

            8. upon assignment of the Note by _______________ to Credit Suisse
First Boston Mortgage Securities Corp. (the "Depositor") and subsequent
assignment by Depositor to the trustee for the benefit of the holders of the
Credit Suisse First Boston Mortgage Securities Corp. Commercial Mortgage
Pass-Through Certificates, Series 2006-C4 (the "Trustee") (which assignment may,
at the discretion of Depositor, be made directly by _______________ to the
Trustee), _______________ covenants and agrees (a) promptly to deliver to the
Trustee the original Note if it is subsequently found, and (b) to indemnify and
hold harmless the Trustee and its successors and assigns from and against any
and all costs, expenses and monetary losses arising as a result of
_______________'s failure to deliver said original Note to the Trustee.

                                       LASALLE BANK NATIONAL ASSOCIATION

                                       By:____________________________________
                                          Name:
                                          Title:

Sworn to before me this _____
day of __________, 2006

<PAGE>

Credit Suisse First Boston Mortgage Securities Corp.
Commercial Mortgage Pass-Through Certificates Series 2006-C4

<TABLE>
<CAPTION>

      Loan
      Group
#     #       Property Name                                      Address
---   -----   ------------------------------------------------   --------------------------------------
<S>   <C>     <C>                                                <C>
 13       1   3434 North Washington Boulevard                    3434 North Washington Boulevard
 14       2   The Edge at Avenue North                           1401 West Oxford Street
 24       1   East Gateway Center                                4646-4686 East Van Buren Street
 30       1   Baylor Medical Towers                              1709 Dryden Road
 32       1   SLO Promenade                                      321 Madonna Road
 34       1   The Acropolis Portfolio                            2611-2689 Commons Boulevard
 35       1   Village Shoppes at Gainesville                     821-891 Dawsonville Highway
 49       1   Germantown Plaza                                   13001 Wisteria Drive
 53       1   Stock Building Supply Portfolio
53a       1   Stock Building Supply Portfolio - 19361 Tamarack   19361 Tamarack
53b       1   Stock Building Supply Portfolio - 2225 American    2225 American Drive
53c       1   Stock Building Supply Portfolio - 1745 Moraine     1745 Moraine Terrace
53d       1   Stock Building Supply Portfolio - 1990 Larsen      1990 Larsen Road
53e       1   Stock Building Supply Portfolio - 4710 Dues        4710 Dues Drive
53f       1   Stock Building Supply Portfolio - 1949 4th         1979 4th Avenue
 56       2   Sandpiper Apartments                               800 Leisure Lake Drive
 69       1   Stadium Plaza North                                8351 - 8333 Rochester Avenue and
                                                                 11966 - 11996 Jack Benny Drive
 75       1   Cullman Shopping Center                            Southwest Corner of US Highway 31
                                                                 @ Loring Street
 76       1   Clerbrook RV Resort                                20005 U.S. Highway 27
 77       1   Downer Avenue                                      2551-2650 North Downer Avenue
 81       1   Southborough Place                                 132 Turnpike Road
 82       1   Hampton Inn & Suites - Outer Banks                 333 Audubon Drive
 89       1   Spring Center Shopping Center                      8627 16th Street
 90       1   Banta Trails Office Park                           6319 - 6447 South East Street
 94       2   Woods Apartments                                   852 Garden Walk Boulevard
 96       1   Principal Life Building                            6525 Chancellor Drive
 98       1   Newport Crossings                                  26015-26045 Newport Road
102       1   Mission Business Center                            9449, 9469, 9471 Richmond Place,
                                                                 9450 Buffalo Avenue and
                                                                 11650 Mission Park Drive
109       2   Copper Beech Townhomes IUP                         400-466 Malibu Drive,
                                                                 370-552 Medlar Drive
                                                                 and 600-662 Pompano Lane
112       1   Ramada Foothills Resort                            6944 East Tanque Verde Road
114       1   Walgreens (Baltimore) Ingleside                    5657 Baltimore National Pike and
                                                                 808 Ingleside Avenue
124       1   Hampton Inn - Stow                                 4331 Lakepointe Corporate Drive
125       2   Heinzsite Apartments                               710 North Enterprise Street
126       1   Best Western - Tampa                               9331 East Adamo Drive
128       1   Scripps Health Office                              10170 Sorrento Valle
129       1   ProMed Ontario Office                              4150 East Concourse Street
137       2   VE - Cedar Grove Apartments                        800 East South Street
145       1   Deer Park MHC                                      4414 Durant Avenue and
                                                                 4701 Glenwood Drive
146       1   83 East Avenue Office                              83 East Avenue
147       1   Torrance Medical Office                            19000 Hawthorne Boulevard
153       1   Suburban Extended Stay - Orange Park               1656 Wells Road
154       1   Suburban Extended Stay - Orlando                   210 North Oxford Road
155       1   McKnight Retail                                    4700 McKnight Road
157       1   Yampa River Office Park and Resort Center          3001 South Lincoln Avenue and
                                                                 2150 Resort Drive
158       1   101 East Washington                                101 East Washington
159       1   Fox Point Shops                                    6830-6949 North Santa Monica Boulevard
162       1   Sports Authority - Albuqerque                      4720 Alexander Boulevard Northeast
164       1   VE Holiday Inn Express Montgomery                  4273 Troy Highway
167       1   Suburban Extended Stay - Atlanta                   2050 Peachtree Industrial Court
168       1   Rio Storage-Harlingen                              205 East Porte Court
169       1   Rio Storage - Brownsville                          4455 Paredes Line Road
171       2   Crown Court Apartments                             7255 Turfway Road
174       1   Napa Industrial                                    167 Camino Dorado
176       1   ELS - Scenic MHP                                   1314 Tunnel Road
178       1   VE Comfort Inn Chandler                            255 North Kyrene Road
179       2   Turnberry Apartments                               1911 Twisted Oaks Drive
182       1   18th and Everett                                   820, 824 and 830 Northwest 18th Avenue
184       1   Magnolia Self Storage                              3711 Highway 61 South
192       1   Shoppes at Gallatin                                825 Nashville Pike
194       1   Candlewood Suites - Yorktown                       329 Commonwealth Drive
198       1   Hampton Inn Albany                                 806 North Westover Boulevard
203       1   Walgreens - Amelia, OH                             57 West Main Street
211       2   Grayton Park Apartments                            12850 Dolphin Street
212       1   Oakland Center                                     525 West Oakland Avenue
213       1   Save Mor Self Storage                              321 Harbor Drive
225       1   Jefferson Shoppes                                  13175 Jefferson Avenue
227       1   AutoZone-Jacksonville, FL                          7698 103rd Street
228       1   Autozone-Gaston, SC                                5211 US-321
229       1   Autozone-Winnsboro, SC                             119-324 Stanton Avenue,
                                                                 116-324 Welch Avenue,
                                                                 304 Lynn Avenue and
                                                                 2323-2337 Knapp Street
235       1   Randy's U Store It                                 2660 North Morton Street
241       1   Route 6 Self Storage                               2542 GAR Highway
246       1   Thomas Road                                        3700 Thomas Road
247       1   Commercial Plaza                                   4800 Southwest Griffith Drive
249       2   Wyngate Apartments                                 1601 Wynn-Joyce Road
251       1   Walgreens Reno                                     10370 North McCarran Boulevard
252       1   Dora Canal Plaza                                   500 South Duncan Road
257       1   Greenwood Oaks Business Park                       500 Polk Avenue
259       1   Colonial Square Office Park                        3597 Henry Street
263       1   Rosebud Business Park                              5859 Rosebud Lane
266       1   Broad Street Retail                                9460 West Broad Street
270       2   Woodlands Apartments                               3324, 3332, 3338 and 3334
                                                                 South Tobacco Road
273       2   Westshore Estates                                  3201 South Euclid Avenue
285       1   Tropic Isle RV Park                                15175 Stringfellow Road
287       1   El Cajon Mini Storage                              512 Raleigh Avenue
296       2   Lakeshore Apartments                               4625 Dewey Avenue
297       1   Promenade in the Village at Fox Run                1923 59th Avenue
301       1   Cubby Hole Texas                                   1821 East 29th Street
302       1   1935 Retail                                        2301-2313 South Service Road (I-35)
317       1   Verizon Wireless Free Standing Building            305 Greenville Boulevard Southeast
320       1   Spruce Tree MHC                                    14200 - 18 1/2 Mile Road
321       2   Amberwood Apartment Homes                          801 Willie L. Miner Avenue
322       1   Riviera Towne Center                               10207 China Spring Highway
327       1   Rite Aid - Shelbyville, KY                         1605 Midland Trail

<CAPTION>
                                                                              Units/
                                                                              Sq. Ft./                               Orig
                                                       Zip     Property       Rooms/     Original      Cut-off       Amort.
#     City                County               State   Code    Type           Pads       Balance       Balance (1)   Term
---   -----------------   ------------------   -----   -----   ------------   --------   -----------   -----------   -------------
<S>   <C>                 <C>                  <C>     <C>     <C>            <C>        <C>           <C>           <C>
 13   Arlington           Arlington            VA      22201   Office          205,372   $64,000,000   $64,000,000             360
 14   Philadelphia        Philadelphia         PA      19121   Multifamily         799   $60,800,000   $60,800,000             360
 24   Phoenix             Maricopa             AZ      85008   Office          230,902   $40,000,000   $40,000,000             360
 30   Houston             Harris               TX      77030   Office          154,905   $33,500,000   $33,500,000             360
 32   San Luis Obispo     San Luis Obispo      CA      93405   Retail          173,347   $33,000,000   $33,000,000             360
 34   Dayton              Greene               OH      45431   Office          204,961   $26,800,000   $26,800,000             360
 35   Gainesville         Hall                 GA      30501   Retail          229,750   $25,148,071   $25,148,071   Interest Only
 49   Germantown          Montgomery           MD      20874   Retail          119,316   $18,500,000   $18,500,000             360
 53                                                                                      $17,575,000   $17,514,654             360
53a   Cedar               Anoka                MN      55011   Industrial       81,920    $4,197,243    $4,182,831
53b   Neenah              Winnebago            WI      54956   Industrial       65,000    $3,968,302    $3,954,676
53c   Green Bay           Brown                WI      54303   Industrial       74,620    $3,418,845    $3,407,106
53d   Howard              Brown                WI      54303   Industrial       75,180    $2,632,816    $2,623,776
53e   Cincinnati          Butler               OH      45246   Industrial       80,958    $1,984,151    $1,977,338
53f   Baldwin             Saint Croix          WI      54002   Industrial       25,342    $1,373,643    $1,368,926
 56   Warner Robins       Houston              GA      31088   Multifamily         530   $17,000,000   $16,986,677             360
 69   Rancho Cucamonga    San Bernardino       CA      91739   Industrial      144,428   $13,325,000   $13,325,000             360

 75   Cullman             Cullman              AL      35055   Retail          288,000   $11,500,000   $11,500,000             360

 76   Clermont            Lake                 FL      34715   Multifamily       1,250   $11,250,000   $11,250,000             360
 77   Milwaukee           Milwaukee            WI      53211   Mixed Use        63,289   $11,000,000   $11,000,000             360
 81   Southborough        Worcester            MA      01772   Office           72,223   $10,000,000   $10,000,000   Interest Only
 82   Corolla             Currituck            NC      27927   Hotel               123   $10,000,000    $9,960,244             240
 89   Silver Spring       Montgomery           MD      20910   Retail           49,852    $8,000,000    $8,000,000             360
 90   Indianapolis        Marion               IN      46227   Office           80,514    $7,850,000    $7,850,000             360
 94   Riverdale           Clayton              GA      30296   Multifamily         168    $7,600,000    $7,600,000             360
 96   Cedar Falls         Black Hawk           IA      50613   Office           67,250    $7,500,000    $7,470,355             300
 98   Menifee             Riverside            CA      92584   Retail           25,049    $7,300,000    $7,300,000             360
102   Rancho Cucamonga    San Bernardino       CA      91730   Industrial       64,965    $6,675,000    $6,675,000             360

109   Indiana             Indiana              PA      15701   Multifamily          72    $6,250,000    $6,250,000             360

112   Tucson              Pima                 AZ      85715   Hotel               113    $6,225,000    $6,188,096             300
114   Catonsville         Baltimore            MD      21228   Retail           14,820    $6,100,000    $6,060,282             360

124   Stow                Summit               OH      44224   Hotel                84    $5,300,000    $5,292,396             360
125   Bowling Green       Wood                 OH      43402   Multifamily         132    $5,250,000    $5,250,000             300
126   Tampa               Hillsborough         FL      33619   Hotel               119    $5,150,000    $5,076,965             300
128   San Diego           San Diego            CA      92121   Office           39,800    $5,000,000    $5,000,000             360
129   Ontario             San Bernardino       CA      91764   Office           36,744    $5,000,000    $4,996,239             360
137   Alvin               Brazoria             TX      77511   Multifamily         168    $4,860,000    $4,853,377             360
145   Deer Park           Harris               TX      77536   Multifamily         250    $4,400,000    $4,400,000             360

146   Norwalk             Fairfield            CT      06851   Office           38,807    $4,400,000    $4,400,000   Interest Only
147   Torrance            Los Angeles          CA      90503   Office           21,511    $4,375,000    $4,371,562             360
153   Orange Park         Clay                 FL      32073   Hotel               144    $4,075,000    $4,070,221             300
154   Casselberry         Seminole             FL      32707   Hotel               144    $4,075,000    $4,070,221             300
155   Pittsburgh          Allegheny            PA      15237   Retail           44,663    $4,037,500    $4,031,756             360
157   Steamboat Springs   Routt                CO      80487   Office           31,399    $4,000,000    $4,000,000             360

158   Greenville          Greenville           SC      29601   Office           41,316    $4,000,000    $4,000,000   Interest Only
159   Fox Point           Milwaukee            WI      53217   Retail           50,085    $4,000,000    $3,992,268             240
162   Albuquerque         Bernalillo           NM      87107   Retail           45,968    $3,920,000    $3,920,000             360
164   Montgomery          Montgomery           AL      36116   Hotel                59    $3,900,000    $3,896,022             300
167   Chamblee            Dekalb               GA      30341   Hotel               150    $3,850,000    $3,845,485             300
168   Harlingen           Cameron              TX      78550   Self Storage     58,150    $2,255,000    $2,252,315             300
169   Brownsville         Cameron              TX      78521   Self Storage     53,485    $1,591,250    $1,589,355             300
171   Florence            Boone                KY      41042   Multifamily         143    $3,800,000    $3,800,000             360
174   Napa                Napa                 CA      94558   Industrial       39,635    $3,780,000    $3,780,000             360
176   Asheville           Buncombe             NC      28805   Multifamily         212    $3,760,000    $3,760,000             360
178   Chandler            Maricopa             AZ      85226   Hotel                70    $3,700,000    $3,692,214             300
179   Norman              Cleveland            OK      73071   Multifamily         140    $3,610,000    $3,598,317             360
182   Portland            Multnomah            OR      97209   Retail           23,027    $3,600,000    $3,597,285             360
184   Vicksburg           Warren               MS      39180   Self Storage    115,182    $3,500,000    $3,497,287             360
192   Gallatin            Sumner               TN      37066   Retail           56,710    $3,350,000    $3,347,496             360
194   Yorktown            York                 VA      23693   Hotel                59    $3,300,000    $3,300,000             300
198   Albany              Dougherty            GA      31707   Hotel                82    $3,150,000    $3,130,416             300
203   Amelia              Clermont             OH      45102   Retail           14,560    $3,025,000    $3,025,000   Interest Only
211   Detroit             Wayne                MI      48223   Multifamily         128    $2,900,000    $2,890,591             360
212   Johnson City        Washington           TN      37604   Retail           23,897    $2,900,000    $2,890,497             360
213   Fort Collins        Larimer              CO      80524   Self Storage    162,413    $2,800,000    $2,797,923             360
225   Newport News        Newsport News City   VA      23609   Retail           21,240    $2,600,000    $2,596,948             300
227   Jacksonville        Duval                FL      32210   Retail            6,840      $975,000      $975,000             300
228   Gaston              Lexington            SC      29053   Retail            6,840      $885,000      $885,000             300
229   Winnsboro           Fairfield            SC      29180   Retail            6,840      $705,000      $705,000             300

235   Franklin            Johnson              IN      46131   Self Storage     57,070    $2,480,000    $2,476,269             360
241   Swansea             Bristol              MA      02777   Self Storage     38,725    $2,368,000    $2,366,282             360
246   Santa Clara         Santa Clara          CA      95054   Retail            8,338    $2,250,000    $2,250,000             360
247   Beaverton           Washington           OR      97005   Office           30,417    $2,250,000    $2,248,349             360
249   Garland             Dallas               TX      75043   Multifamily          45    $2,200,000    $2,200,000             360
251   Reno                Washoe               NV      89523   Retail           14,490    $2,200,000    $2,198,285             360
252   Tavares             Lake                 FL      32778   Retail           22,000    $2,200,000    $2,196,699             360
257   Greenwood           Johnson              IN      46143   Industrial       57,891    $2,180,000    $2,178,344             360
259   Muskegon            Muskegon             MI      49441   Office           15,034    $2,175,000    $2,175,000             360
263   Sacramento          Sacramento           CA      95841   Industrial       40,720    $2,120,000    $2,120,000             360
266   Richmond            Henrico              VA      23294   Retail            8,120    $2,055,000    $2,053,501             360
270   Greenville          Pitt                 NC      27834   Multifamily          98    $2,000,000    $1,994,887             360

273   Bay City            Bay                  MI      48706   Multifamily         149    $1,945,000    $1,938,788             360
285   Bokeelia            Lee                  FL      33922   Multifamily         146    $1,700,000    $1,700,000             300
287   El Cajon            San Diego            CA      92020   Self Storage     49,584    $1,700,000    $1,697,506             360
296   Greece              Monroe               NY      14612   Multifamily          60    $1,600,000    $1,600,000             360
297   Greeley             Weld                 CO      80634   Retail           13,614    $1,600,000    $1,598,806             360
301   Bryan               Brazos               TX      77802   Self Storage     52,625    $1,600,000    $1,596,885             240
302   Moore               Cleveland            OK      73160   Retail           14,440    $1,575,000    $1,575,000             360
317   Greenville          Pitt                 NC      27858   Retail            4,790    $1,320,000    $1,318,971             360
320   Marshall            Calhoun              MI      49068   Multifamily          80    $1,275,000    $1,274,126             360
321   El Reno             Canadian             OK      73036   Multifamily          77    $1,272,000    $1,272,000             300
322   Waco                McLennan             TX      76708   Retail           18,000    $1,255,000    $1,253,305             360
327   Shelbyville         Shelby               KY      40065   Retail           14,564    $1,200,000    $1,198,114             360

<CAPTION>

      Rem.            Orig           Rem.                             Net
      Amort.          Term to        Term to            Interest      Interest      Interest Calculation    Monthly
#     Term (1)        Maturity (2)   Maturity (1) (2)   Rate          Rate          (30/360 / Actual/360)   Payment (3)
---   -------------   ------------   ----------------   ----------    ----------    ---------------------   -----------
<S>   <C>             <C>            <C>                <C>           <C>           <C>                     <C>
 13             360            120                120   6.24015625%   6.21955625%   Actual/360                 $390,305
 14             360            121                121        5.516%        5.495%   Actual/360                 $345,826
 24             360            120                120        6.080%        6.059%   Actual/360                 $241,881
 30             360            120                119        5.730%        5.709%   Actual/360                 $195,071
 32             360            120                119        5.670%        5.649%   Actual/360                 $190,905
 34             360            120                120        6.236%        6.215%   Actual/360                 $164,768
 35   Interest Only             60                 58        4.680%        4.659%   30/360                      $98,077
 49             360            120                120        6.150%        6.099%   Actual/360                 $112,707
 53             356            120                116        6.090%        6.019%   Actual/360                 $106,390
53a
53b
53c
53d
53e
53f
 56             359            120                119        6.210%        6.189%   Actual/360                 $104,230
 69             360            120                119        6.290%        6.269%   Actual/360                  $82,391

 75             360            120                120        6.420%        6.319%   Actual/360                  $72,084

 76             360            120                120        5.780%        5.759%   Actual/360                  $65,867
 77             360            120                120        6.130%        6.059%   Actual/360                  $66,873
 81   Interest Only            120                120        6.084%        6.063%   Actual/360                  $51,404
 82             238            120                118        6.053%        6.032%   Actual/360                  $71,949
 89             360            120                119        5.903%        5.882%   Actual/360                  $47,466
 90             360            120                116        5.978%        5.907%   Actual/360                  $46,954
 94             360            120                119        6.180%        6.079%   Actual/360                  $46,449
 96             300             74                 71        6.090%        6.049%   Actual/360                  $48,736
 98             360            120                120        5.610%        5.589%   Actual/360                  $41,954
102             360            120                118        6.505%        6.484%   Actual/360                  $42,212

109             360            120                109        5.900%        5.879%   Actual/360                  $37,071

112             295            120                115        6.750%        6.729%   Actual/360                  $43,009
114             354            120                114        5.150%        5.129%   Actual/360                  $33,308

124             358            120                118        6.540%        6.519%   Actual/360                  $33,639
125             300            121                121        5.850%        5.779%   Actual/360                  $33,346
126             290            120                110        5.960%        5.839%   Actual/360                  $33,056
128             360            120                118        6.140%        6.099%   Actual/360                  $30,429
129             359            120                119        6.360%        6.339%   Actual/360                  $31,144
137             358            120                118        6.720%        6.699%   Actual/360                  $31,425
145             360            120                118        6.210%        6.139%   Actual/360                  $26,977

146   Interest Only             60                 60        6.100%        6.079%   Actual/360                  $22,677
147             359            120                119        6.200%        6.179%   Actual/360                  $26,796
153             299            120                119        6.425%        6.404%   Actual/360                  $27,324
154             299            120                119        6.425%        6.404%   Actual/360                  $27,324
155             358            120                118        6.570%        6.499%   Actual/360                  $25,706
157             360            120                119        6.080%        6.059%   Actual/360                  $24,188

158   Interest Only            120                118        6.018%        5.997%   Actual/360                  $20,339
159             239            120                119        6.230%        6.209%   Actual/360                  $29,191
162             360            120                118        6.280%        6.239%   Actual/360                  $24,213
164             299            120                119        7.090%        7.069%   Actual/360                  $27,789
167             299            120                119        6.425%        6.404%   Actual/360                  $25,815
168             299            120                119        6.350%        6.329%   Actual/360                  $15,015
169             299            120                119        6.350%        6.329%   Actual/360                  $10,596
171             360            120                119        6.080%        6.059%   Actual/360                  $22,979
174             360            120                118        6.280%        6.239%   Actual/360                  $23,348
176             360            120                119        5.690%        5.669%   Actual/360                  $21,799
178             298            120                118        6.960%        6.939%   Actual/360                  $26,056
179             356            120                116        6.330%        6.309%   Actual/360                  $22,416
182             359            120                119        6.351%        6.280%   Actual/360                  $22,403
184             359            120                119        6.250%        6.229%   Actual/360                  $21,550
192             359            120                119        6.383%        6.362%   Actual/360                  $20,917
194             300            120                120        6.406%        6.305%   Actual/360                  $22,088
198             295            120                115        6.490%        6.469%   Actual/360                  $21,249
203   Interest Only            120                119        6.028%        6.007%   Actual/360                  $15,407
211             356            120                116        6.320%        6.249%   Actual/360                  $17,988
212             356            120                116        6.280%        6.199%   Actual/360                  $17,912
213             359            120                119        6.410%        6.389%   Actual/360                  $17,533
225             299            120                119        6.420%        6.319%   Actual/360                  $17,426
227             300            120                120        6.436%        6.355%   Actual/360                   $6,544
228             300            120                120        6.436%        6.355%   Actual/360                   $5,940
229             300            120                120        6.436%        6.355%   Actual/360                   $4,732

235             358            120                118        6.370%        6.349%   Actual/360                  $15,464
241             359            120                119        6.490%        6.469%   Actual/360                  $14,952
246             360            120                120        6.390%        6.369%   Actual/360                  $14,059
247             359            120                119        6.450%        6.369%   Actual/360                  $14,148
249             360            120                118        6.154%        6.133%   Actual/360                  $13,409
251             359            120                119        6.230%        6.209%   Actual/360                  $13,517
252             358            120                118        6.380%        6.299%   Actual/360                  $13,732
257             359            120                119        6.325%        6.304%   Actual/360                  $13,529
259             360            120                120        6.180%        6.159%   Actual/360                  $13,293
263             360             60                 58        6.520%        6.499%   Actual/360                  $13,428
266             359            120                119        6.470%        6.349%   Actual/360                  $12,948
270             357            120                117        6.180%        6.159%   Actual/360                  $12,223

273             356            120                116        6.383%        6.362%   Actual/360                  $12,144
285             300             60                 60        6.720%        6.699%   Actual/360                  $11,713
287             358            120                118        6.460%        6.439%   Actual/360                  $10,700
296             360            120                120        6.276%        6.255%   Actual/360                   $9,879
297             359            120                119        6.390%        6.369%   Actual/360                   $9,998
301             239            120                119        6.180%        6.159%   Actual/360                  $11,630
302             360            120                120        6.475%        6.394%   Actual/360                   $9,929
317             359            120                119        6.230%        6.169%   Actual/360                   $8,110
320             359            120                119        6.690%        6.669%   Actual/360                   $8,219
321             300             60                 60        6.560%        6.439%   Actual/360                   $8,636
322             358            120                118        6.751%        6.730%   Actual/360                   $8,141
327             358            120                118        6.210%        6.189%   Actual/360                   $7,357

<CAPTION>

      First
      Payment     Maturity                                        Letter of   Ground   Earthquake        Environmental
#     Date        Date        ARD (4)    Lockout/Defeasance (5)   Credit      Lease    Insurance (Y/N)   Insurance (Y/N)
---   ---------   ---------   --------   ----------------------   ---------   ------   ---------------   ---------------
<S>   <C>         <C>         <C>        <C>                      <C>         <C>      <C>               <C>
 13   10/1/2006   9/1/2036    9/1/2016   Yes                             $0   N/A      N/A               N/A
 14   10/1/2006   10/1/2016   N/A        Yes                             $0   Yes      N/A               N/A
 24   10/1/2006   9/1/2016    N/A        Yes                             $0   N/A      N/A               N/A
 30   9/1/2006    8/1/2016    N/A        Yes                             $0   Yes      Yes               N/A
 32   9/1/2006    8/1/2016    N/A        Yes                             $0   N/A      N/A               N/A
 34   10/1/2006   9/1/2036    9/1/2016   Yes                             $0   N/A      Yes               N/A
 35   8/1/2006    7/1/2011    N/A        No                              $0   N/A      Yes               N/A
 49   10/1/2006   9/1/2016    N/A        Yes                             $0   N/A      N/A               N/A
 53   6/1/2006    5/1/2016    N/A        Yes                             $0
53a                                                                           N/A      N/A               N/A
53b                                                                           N/A      N/A               N/A
53c                                                                           N/A      N/A               N/A
53d                                                                           N/A      N/A               N/A
53e                                                                           N/A      N/A               N/A
53f                                                                           N/A      N/A               N/A
 56   9/1/2006    8/1/2016    N/A        Yes                             $0   N/A      N/A               N/A
 69   9/1/2006    8/1/2016    N/A        Yes                             $0   N/A      N/A               N/A

 75   10/1/2006   9/1/2016    N/A        Yes                             $0   N/A      Yes               N/A

 76   10/1/2006   9/1/2016    N/A        Yes                             $0   N/A      N/A               N/A
 77   10/1/2006   9/1/2016    N/A        Yes                             $0   N/A      N/A               N/A
 81   10/1/2006   9/1/2016    N/A        Yes                             $0   N/A      N/A               N/A
 82   8/1/2006    7/1/2016    N/A        No                              $0   N/A      Yes               N/A
 89   9/1/2006    8/1/2016    N/A        No                              $0   N/A      N/A               N/A
 90   6/1/2006    5/1/2016    N/A        Yes                             $0   N/A      N/A               N/A
 94   9/1/2006    8/1/2016    N/A        No                              $0   N/A      N/A               N/A
 96   7/1/2006    8/1/2012    N/A        Yes                             $0   N/A      N/A               N/A
 98   10/1/2006   9/1/2016    N/A        Yes                             $0   N/A      N/A               N/A
102   8/1/2006    7/1/2016    N/A        Yes                             $0   N/A      N/A               N/A

109   11/1/2005   10/1/2015   N/A        Yes                             $0   N/A      N/A               N/A

112   5/1/2006    4/1/2016    N/A        Yes                             $0   N/A      N/A               N/A
114   4/1/2006    3/1/2016    N/A        Yes                             $0   Yes      N/A               N/A

124   8/1/2006    7/1/2016    N/A        Yes                             $0   N/A      Yes               N/A
125   10/1/2006   10/1/2016   N/A        Yes                             $0   N/A      N/A               N/A
126   12/1/2005   11/1/2015   N/A        Yes                             $0   N/A      N/A               N/A
128   8/1/2006    7/1/2016    N/A        No                              $0   N/A      N/A               N/A
129   9/1/2006    8/1/2016    N/A        Yes                             $0   N/A      N/A               N/A
137   8/1/2006    7/1/2016    N/A        Yes                             $0   N/A      Yes               N/A
145   8/1/2006    7/1/2016    N/A        Yes                             $0   N/A      N/A               N/A

146   10/1/2006   9/1/2011    N/A        Yes                             $0   N/A      N/A               N/A
147   9/1/2006    8/1/2016    N/A        Yes                             $0   N/A      N/A               N/A
153   9/1/2006    8/1/2016    N/A        Yes                             $0   N/A      Yes               N/A
154   9/1/2006    8/1/2016    N/A        Yes                             $0   N/A      Yes               N/A
155   8/1/2006    7/1/2016    N/A        Yes                             $0   N/A      N/A               N/A
157   9/1/2006    8/1/2016    N/A        No                              $0   N/A      N/A               N/A

158   8/1/2006    7/1/2016    N/A        Yes                             $0   N/A      N/A               N/A
159   9/1/2006    8/1/2016    N/A        Yes                             $0   N/A      N/A               N/A
162   8/1/2006    7/1/2016    N/A        No                              $0   N/A      Yes               N/A
164   9/1/2006    8/1/2016    N/A        Yes                             $0   N/A      N/A               N/A
167   9/1/2006    8/1/2016    N/A        Yes                             $0   N/A      Yes               N/A
168   9/1/2006    8/1/2016    N/A        Yes                             $0   N/A      N/A               N/A
169   9/1/2006    8/1/2016    N/A        Yes                             $0   N/A      N/A               N/A
171   9/1/2006    8/1/2016    N/A        Yes                             $0   N/A      Yes               N/A
174   8/1/2006    7/1/2016    N/A        No                              $0   N/A      N/A               N/A
176   9/1/2006    8/1/2016    N/A        Yes                             $0   N/A      Yes               N/A
178   8/1/2006    7/1/2016    N/A        Yes                             $0   N/A      N/A               N/A
179   6/1/2006    5/1/2016    N/A        Yes                             $0   N/A      N/A               N/A
182   9/1/2006    8/1/2016    N/A        Yes                             $0   N/A      No                N/A
184   9/1/2006    8/1/2016    N/A        Yes                             $0   N/A      N/A               N/A
192   9/1/2006    8/1/2016    N/A        Yes                             $0   N/A      N/A               N/A
194   10/1/2006   9/1/2016    N/A        Yes                             $0   N/A      Yes               N/A
198   5/1/2006    4/1/2016    N/A        Yes                             $0   N/A      N/A               N/A
203   9/1/2006    8/1/2016    N/A        Yes                             $0   N/A      N/A               N/A
211   6/1/2006    5/1/2016    N/A        No                              $0   N/A      N/A               N/A
212   6/1/2006    5/1/2016    N/A        Yes                             $0   N/A      N/A               N/A
213   9/1/2006    8/1/2016    N/A        Yes                             $0   N/A      N/A               N/A
225   9/1/2006    8/1/2016    N/A        Yes                             $0   N/A      N/A               N/A
227   10/1/2006   9/1/2016    N/A        Yes                             $0   N/A      N/A               N/A
228   10/1/2006   9/1/2016    N/A        Yes                             $0   N/A      N/A               N/A
229   10/1/2006   9/1/2016    N/A        Yes                             $0   N/A      N/A               N/A

235   8/1/2006    7/1/2016    N/A        Yes                             $0   N/A      N/A               N/A
241   9/1/2006    8/1/2016    N/A        No                              $0   N/A      N/A               N/A
246   10/1/2006   9/1/2016    N/A        Yes                             $0   N/A      N/A               N/A
247   9/1/2006    8/1/2016    N/A        Yes                             $0   N/A      Yes               N/A
249   8/1/2006    7/1/2016    N/A        Yes                             $0   N/A      Yes               N/A
251   9/1/2006    8/1/2016    N/A        Yes                             $0   N/A      N/A               N/A
252   8/1/2006    7/1/2016    N/A        Yes                             $0   N/A      N/A               N/A
257   9/1/2006    8/1/2016    N/A        No                              $0   N/A      N/A               N/A
259   10/1/2006   9/1/2016    N/A        Yes                             $0   N/A      N/A               N/A
263   8/1/2006    7/1/2011    N/A        Yes                             $0   N/A      Yes               N/A
266   9/1/2006    8/1/2016    N/A        Yes                             $0   N/A      N/A               N/A
270   7/1/2006    6/1/2016    N/A        Yes                             $0   N/A      N/A               N/A

273   6/1/2006    5/1/2016    N/A        Yes                             $0   N/A      N/A               N/A
285   10/1/2006   9/1/2011    N/A        Yes                             $0   N/A      N/A               N/A
287   8/1/2006    7/1/2016    N/A        Yes                             $0   N/A      N/A               N/A
296   10/1/2006   9/1/2016    N/A        Yes                             $0   N/A      N/A               N/A
297   9/1/2006    8/1/2016    N/A        Yes                             $0   N/A      N/A               N/A
301   9/1/2006    8/1/2016    N/A        Yes                             $0   N/A      N/A               N/A
302   10/1/2006   9/1/2016    N/A        Yes                        $50,000   N/A      N/A               N/A
317   9/1/2006    8/1/2016    N/A        Yes                             $0   N/A      N/A               N/A
320   9/1/2006    8/1/2016    N/A        Yes                             $0   N/A      N/A               N/A
321   10/1/2006   9/1/2011    N/A        Yes                             $0   N/A      N/A               N/A
322   8/1/2006    7/1/2016    N/A        Yes                             $0   N/A      N/A               N/A
327   8/1/2006    7/1/2016    N/A        Yes                             $0   N/A      N/A               N/A

<CAPTION>
      Servicing
      and
      Trustee
#     Fees         Loan Seller
---   ---------    ---------------------------------
<S>   <C>          <C>
 13    0.020600%   LaSalle Bank National Association
 14    0.020600%   LaSalle Bank National Association
 24    0.020600%   LaSalle Bank National Association
 30    0.020600%   LaSalle Bank National Association
 32    0.020600%   LaSalle Bank National Association
 34    0.020600%   LaSalle Bank National Association
 35    0.020600%   LaSalle Bank National Association
 49    0.050600%   LaSalle Bank National Association
 53    0.070600%   LaSalle Bank National Association
53a                LaSalle Bank National Association
53b                LaSalle Bank National Association
53c                LaSalle Bank National Association
53d                LaSalle Bank National Association
53e                LaSalle Bank National Association
53f                LaSalle Bank National Association
 56    0.020600%   LaSalle Bank National Association
 69    0.020600%   LaSalle Bank National Association

 75    0.100600%   LaSalle Bank National Association

 76    0.020600%   LaSalle Bank National Association
 77    0.070600%   LaSalle Bank National Association
 81    0.020600%   LaSalle Bank National Association
 82    0.020600%   LaSalle Bank National Association
 89    0.020600%   LaSalle Bank National Association
 90    0.070600%   LaSalle Bank National Association
 94    0.100600%   LaSalle Bank National Association
 96    0.040600%   LaSalle Bank National Association
 98    0.020600%   LaSalle Bank National Association
102    0.020600%   LaSalle Bank National Association

109    0.020600%   LaSalle Bank National Association

112    0.020600%   LaSalle Bank National Association
114    0.020600%   LaSalle Bank National Association

124    0.020600%   LaSalle Bank National Association
125    0.070600%   LaSalle Bank National Association
126    0.120600%   LaSalle Bank National Association
128    0.040600%   LaSalle Bank National Association
129    0.020600%   LaSalle Bank National Association
137    0.020600%   LaSalle Bank National Association
145    0.070600%   LaSalle Bank National Association

146    0.020600%   LaSalle Bank National Association
147    0.020600%   LaSalle Bank National Association
153    0.020600%   LaSalle Bank National Association
154    0.020600%   LaSalle Bank National Association
155    0.070600%   LaSalle Bank National Association
157    0.020600%   LaSalle Bank National Association

158    0.020600%   LaSalle Bank National Association
159    0.020600%   LaSalle Bank National Association
162    0.040600%   LaSalle Bank National Association
164    0.020600%   LaSalle Bank National Association
167    0.020600%   LaSalle Bank National Association
168    0.020600%   LaSalle Bank National Association
169    0.020600%   LaSalle Bank National Association
171    0.020600%   LaSalle Bank National Association
174    0.040600%   LaSalle Bank National Association
176    0.020600%   LaSalle Bank National Association
178    0.020600%   LaSalle Bank National Association
179    0.020600%   LaSalle Bank National Association
182    0.070600%   LaSalle Bank National Association
184    0.020600%   LaSalle Bank National Association
192    0.020600%   LaSalle Bank National Association
194    0.100600%   LaSalle Bank National Association
198    0.020600%   LaSalle Bank National Association
203    0.020600%   LaSalle Bank National Association
211    0.070600%   LaSalle Bank National Association
212    0.080600%   LaSalle Bank National Association
213    0.020600%   LaSalle Bank National Association
225    0.100600%   LaSalle Bank National Association
227    0.080600%   LaSalle Bank National Association
228    0.080600%   LaSalle Bank National Association
229    0.080600%   LaSalle Bank National Association

235    0.020600%   LaSalle Bank National Association
241    0.020600%   LaSalle Bank National Association
246    0.020600%   LaSalle Bank National Association
247    0.080600%   LaSalle Bank National Association
249    0.020600%   LaSalle Bank National Association
251    0.020600%   LaSalle Bank National Association
252    0.080600%   LaSalle Bank National Association
257    0.020600%   LaSalle Bank National Association
259    0.020600%   LaSalle Bank National Association
263    0.020600%   LaSalle Bank National Association
266    0.120600%   LaSalle Bank National Association
270    0.020600%   LaSalle Bank National Association

273    0.020600%   LaSalle Bank National Association
285    0.020600%   LaSalle Bank National Association
287    0.020600%   LaSalle Bank National Association
296    0.020600%   LaSalle Bank National Association
297    0.020600%   LaSalle Bank National Association
301    0.020600%   LaSalle Bank National Association
302    0.080600%   LaSalle Bank National Association
317    0.060600%   LaSalle Bank National Association
320    0.020600%   LaSalle Bank National Association
321    0.120600%   LaSalle Bank National Association
322    0.020600%   LaSalle Bank National Association
327    0.020600%   LaSalle Bank National Association
</TABLE>

(1)   Assumes a Cut-off Date in September 2006.

(2)   In the case of the ARD Loans, the anticipated repayment date is assumed to
      be the maturity date for the purposes of the indicated column.

(3)   For mortgage loans classified as interest only, the monthly payments
      represent the average of one full year of interest payments. For mortgage
      loans with an initial interest only term, the monthly payments represent
      the principal and interest payments du

(4)   Anticipated Repayment Date.

(5)   Yes means that defeasance is permitted notwithstanding the Lockout Period.

Source: [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00111-of-00352.parquet"}, [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00111-of-00352.parquet"}]]