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

                           PRIMARY SERVICING AGREEMENT

                          DATED AS OF SEPTEMBER 1, 2007

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

                     WELLS FARGO BANK, NATIONAL ASSOCIATION

                               AS MASTER SERVICER,

                        PRINCIPAL GLOBAL INVESTORS, LLC,

                              AS PRIMARY SERVICER,

                      TO BE ENTERED INTO IN CONNECTION WITH

                  THAT CERTAIN POOLING AND SERVICING AGREEMENT

                          DATED AS OF SEPTEMBER 1, 2007

                                     BETWEEN

                BEAR STEARNS COMMERCIAL MORTGAGE SECURITIES INC.,
                                  AS DEPOSITOR,

                     WELLS FARGO BANK, NATIONAL ASSOCIATION
                              AS A MASTER SERVICER,

                        PRUDENTIAL ASSET RESOURCES, INC.
                              AS A MASTER SERVICER

                            CENTERLINE SERVICING INC.
                          AS GENERAL SPECIAL SERVICER,

                        LASALLE BANK NATIONAL ASSOCIATION
                                   AS TRUSTEE

                                       AND

                     WELLS FARGO BANK, NATIONAL ASSOCIATION
              AS CERTIFICATE ADMINISTRATOR AND AS TAX ADMINISTRATOR

                  COMMERCIAL MORTGAGE PASS-THROUGH CERTIFICATES
                                SERIES 2007-PWR17




                                TABLE OF CONTENTS



                                                                                                PAGE

ARTICLE I.         DEFINITIONS ....................................................................1

ARTICLE II.        PRIMARY SERVICING ..............................................................8

   SECTION 2.1     PRIMARY SERVICING ..............................................................8
   SECTION 2.2     STANDARD OF CARE ..............................................................15
   SECTION 2.3     COMPENSATION AND OTHER PAYMENTS TO THE PRIMARY SERVICER .......................15
   SECTION 2.4     PRIMARY SERVICER REPRESENTATIONS AND WARRANTIES ...............................16

ARTICLE III.       DOCUMENTS AND OTHER MATTERS ...................................................17

   SECTION 3.1     SEGREGATION OF MORTGAGE LOAN DOCUMENTS ........................................17
   SECTION 3.2     ACCESS TO DOCUMENTS; PROVISION OF CERTAIN INFORMATION .........................17

ARTICLE IV.        MASTER SERVICER ASSISTANCE ....................................................17

   SECTION 4.1     MASTER SERVICER ASSISTANCE ....................................................17
   SECTION 4.2     SPECIALLY SERVICED MORTGAGE LOANS .............................................18

ARTICLE V.         ADDITIONAL PRIMARY SERVICER COVENANTS .........................................18

   SECTION 5.1     NOTICE OF LITIGATION ..........................................................18
   SECTION 5.2     NO PERSONAL SOLICITATION ......................................................18
   SECTION 5.3     FIDELITY BOND AND ERRORS AND OMISSIONS INSURANCE POLICY .......................19
   SECTION 5.4     PRIMARY SERVICER'S FINANCIAL STATEMENTS AND RELATED INFORMATION ...............20
   SECTION 5.5     NO ADVANCING ..................................................................20
   SECTION 5.6     REMIC COMPLIANCE ..............................................................20
   SECTION 5.7     INSPECTION RIGHTS .............................................................20
   SECTION 5.8     AUTHORIZED OFFICER ............................................................20
   SECTION 5.9     ADDITIONAL REPORTS ............................................................21
   SECTION 5.10    PREPAYMENT INTEREST SHORTFALLS AND EXCESSES ...................................21
   SECTION 5.11    CONSENTS ......................................................................22
   SECTION 5.12    QUARTERLY SERVICING ACCOUNTS RECONCILIATION CERTIFICATION .....................22
   SECTION 5.13    EXCHANGE ACT REPORTS; ANNUAL COMPLIANCE DOCUMENTS .............................22

ARTICLE VI.        PRIMARY SERVICER DEFAULT; TERMINATION; POST-TERMINATION OBLIGATIONS ...........23

   SECTION 6.1     PRIMARY SERVICER DEFAULT ......................................................23
   SECTION 6.2     TERMINATION ...................................................................24
   SECTION 6.3     POST-TERMINATION OBLIGATIONS ..................................................25
   SECTION 6.4     ADDITIONAL TERMINATION ........................................................26

ARTICLE VII.       SUBCONTRACTORS ................................................................26

ARTICLE VIII.      PRIMARY SERVICER TO HOLD PROPERTY FOR THE MASTER SERVICER .....................26

ARTICLE IX.        INDEMNIFICATION ...............................................................27

   SECTION 9.1     PRIMARY SERVICER'S INDEMNITY ..................................................27

ARTICLE X.         MISCELLANEOUS .................................................................27

   SECTION 10.1    SEVERABILITY ..................................................................27
   SECTION 10.2    RIGHTS CUMULATIVE; WAIVERS ....................................................28
   SECTION 10.3    HEADINGS ......................................................................28
   SECTION 10.4    CONSTRUCTION ..................................................................28
   SECTION 10.5    ASSIGNMENT ....................................................................28



                                       -i-



                                TABLE OF CONTENTS
                                   (continued)



                                                                                                PAGE

   SECTION 10.6    PRIOR UNDERSTANDINGS ..........................................................29
   SECTION 10.7    INTEGRATED AGREEMENT...........................................................30
   SECTION 10.8    COUNTERPARTS...................................................................30
   SECTION 10.9    GOVERNING LAWS.................................................................30
   SECTION 10.10   NOTICES........................................................................30
   SECTION 10.11   AMENDMENT......................................................................30
   SECTION 10.12   OTHER..........................................................................31
   SECTION 10.13   BENEFITS OF AGREEMENT..........................................................31



                                      -ii-



            This PRIMARY SERVICING AGREEMENT, dated and effective as of
September 1, 2007, by and between PRINCIPAL GLOBAL INVESTORS, LLC (in the
capacity of primary servicer, the "Primary Servicer") and WELLS FARGO BANK,
NATIONAL ASSOCIATION, a national banking association, acting solely in its
capacity as Master Servicer under the Pooling and Servicing Agreement (as
defined below) (the "Master Servicer").

            WHEREAS, Bear Stearns Commercial Mortgage Securities Inc., as
depositor, Wells Fargo Bank, National Association, as a master servicer,
Prudential Asset Resources, Inc., as a master servicer, Centerline Servicing
Inc., as general special servicer, Wells Fargo Bank, National Association, as
certificate administrator and tax administrator, and LaSalle Bank National
Association, as trustee, have entered into a Pooling and Servicing Agreement,
dated as of September 1, 2007, relating to the Commercial Mortgage Pass-Through
Certificates, Series 2007-PWR17 (as amended, from time to time, the "Pooling and
Servicing Agreement"), a copy of which is attached hereto as Exhibit A; and

            WHEREAS, the Master Servicer desires that the Primary Servicer act
as Primary Servicer with respect to the mortgage loans listed on Schedule I
hereto and provide, on behalf of the Master Servicer, the necessary servicing of
such mortgage loans performed in a manner consistent with the Servicing Standard
and in a manner consistent with this Agreement and the Pooling and Servicing
Agreement from the Closing Date until this Agreement is terminated in accordance
herewith;

            NOW, THEREFORE, in consideration of the premises and the mutual
covenants herein contained, the Primary Servicer and the Master Servicer hereby
agree as follows:

                                   ARTICLE I.
                                   DEFINITIONS

            As used in this Agreement, the following terms shall have the
meanings set forth below. Capitalized terms used and not defined herein shall
have the meanings ascribed to them in the Pooling and Servicing Agreement,
provided, however, that terms whose meanings are ascribed in the Pooling and
Servicing Agreement and by the provisions thereof pertain to one or more
mortgage loans that are the subject of the Pooling and Servicing Agreement shall
be construed for purposes of this Agreement to pertain to the related Mortgage
Loan(s) that are the subject of this Agreement.

            "A/B Intercreditor Agreement": With respect to an A/B Mortgage Loan,
the related co-lender agreement, by and between the holder of the related
Mortgage Loan and the holder of the related B Note, setting forth the relative
rights of such holders, as the same may be further amended from time to time in
accordance with the terms thereof.

            "A/B Mortgage Loan": Any Mortgage Loan serviced under this Agreement
that is divided into a senior mortgage note and a subordinated mortgage note,
which senior mortgage note is included in the Trust. The parties acknowledge
that there are no A/B Mortgage Loans for purposes of the Series 2007-PWR17 Trust
Fund.

            "ABS Issuing Entity": Each trust or entity that has issued
asset-backed securities that directly or indirectly evidence interests in or are
secured by a pledge of one or more mortgage loans serviced hereunder (regardless
of whether such mortgage loan constitutes a "Mortgage Loan" under the other
provisions of this Agreement), it being understood that the PWR17 Trust
constitutes an ABS Issuing Entity.

            "Aggregate Servicing Fee": The Primary Servicing Fee and the Excess
Servicing Fee.




            "Agreement": This Primary Servicing Agreement, as modified, amended
and supplemented from time to time, including all exhibits, schedules and
addenda hereto.

            "Annual Statement and Rent Roll Reporting": Copies of quarterly and
annual financial statements and rent rolls collected with respect to the
Mortgaged Properties securing the Mortgage Loans and A/B Mortgage Loans, to be
made available, within 30 days following receipt thereof by the Primary
Servicer, to the Master Servicer (and, with respect to an A/B Mortgage Loan, the
holder of the B Note, if required by the applicable A/B Intercreditor
Agreement), the Operating Adviser, and, to any of the following Persons upon
written notification from Master Servicer of a request for such information and
the identity and address of the requesting Person requesting: the Rating
Agencies, the Special Servicer, or the Trustee.

            "Applicable Depositor": The Depositor or the depositor with respect
to an ABS Issuing Entity other than the PWR17 Trust.

            "B Note": With respect to any A/B Mortgage Loan, the related
subordinated Mortgage Note not included in the Trust, which is subordinated in
right of payment to the related A Note to the extent set forth in the related
A/B Intercreditor Agreement.

            "Category 1 Consent Aspect": A condition, term or provision of a
Category 1 Request that requires, or specifies a standard of, consent, or
approval of the applicable mortgagee under the Loan Documents, but shall
explicitly exclude any such conditions, terms or provisions enumerated in (a) an
escrow or reserve agreement for disbursements made from an escrow or reserve
account or an extension of time to complete repairs, replacements or
improvements in accordance with the terms and conditions set forth in Exhibit
B-2(c); (b) an assignment and assumption request covered under Section
A.1.(c)(ii) of Exhibit B-2(c) of this Agreement; (c) an additional lien,
monetary encumbrance or mezzanine financing request covered under Section
A.1.(c)(iii) of Exhibit B-2(c) of this Agreement; or (d) a defeasance request
covered under Section A.1.(c)(i) of Exhibit B-2(c) of this Agreement.

            "Category 1 Request": As defined in the Post Closing Matters
Description in Exhibit B-2.

            "Category 2 Request": As defined in the Post Closing Matters
Description in Exhibit B-2.

            "Category 3 Request": As defined in the Post Closing Matters
Description in Exhibit B-2.

            "CMSA Comparative Financial Status Report": A report which is one
element of the supplemental reports of the CMSA Investor Reporting Package and
is substantially in the form of, and contains the information called for in, the
downloadable form entitled as such available as of the Closing Date on the CMSA
Website. "CMSA Delinquent Loan Status Report": A report which is one element of
the supplemental reports of the CMSA Investor Reporting Package and is
substantially in the form of, and contains the information called for in, the
downloadable form entitled as such available as of the Closing Date on the CMSA
Website.

            "CMSA Financial File": A report which is one element of the CMSA
Investor Reporting Package and is substantially in the form of, and contains the
information called for in, the downloadable form entitled as such available as
of the Closing Date on the CMSA Website. "CMSA Historical Liquidation Report": A
report which is one element of the supplemental reports of the CMSA Investor
Reporting Package and is substantially in the form of, and contains the
information called for in, the downloadable form entitled as such available as
of the Closing Date on the CMSA Website.


                                       -2-



            "CMSA Historical Loan Modification Report": A report which is one
element of the supplemental reports of the CMSA Investor Reporting Package and
is substantially in the form of, and contains the information called for in, the
downloadable form entitled as such available as of the Closing Date on the CMSA
Website.

            "CMSA Investor Reporting Package": The Commercial Mortgage
Securities Association Investor Reporting Package, elements of which shall be
produced as provided in Section 2.1(c) and the Task Description.

            "CMSA Loan Level Reserve/LOC Report": A report which is one element
of the supplemental reports of the CMSA Investor Reporting Package and is
substantially in the form of, and contains the information called for in, the
downloadable form entitled as such available as of the Closing Date on the CMSA
Website.

            "CMSA Loan Periodic Update File": A report which is one element of
the CMSA Investor Reporting Package and is substantially in the form of, and
contains the information called for in, the downloadable form entitled as such
available as of the Closing Date on the CMSA Website.

            "CMSA Loan Setup File": A report which is one element of the CMSA
Investor Reporting Package and is substantially in the form of, and contains the
information called for in, the downloadable form entitled as such available as
of the Closing Date on the CMSA Website.

            "CMSA Property File": A report which is one element of the CMSA
Investor Reporting Package and is substantially in the form of, and contains the
information called for in, the downloadable form entitled as such available as
of the Closing Date on the CMSA Website.

            "CMSA Quarterly Financial File": A report which is one element of
the CMSA Investor Reporting Package and is substantially in the form of, and
contains the information called for in, the downloadable form entitled as such
available as of the Closing Date on the CMSA Website.

            "CMSA REO Status Report": A report which is one element of the
supplemental reports of the CMSA Investor Reporting Package and is substantially
in the form of, and contains the information called for in, the downloadable
form entitled as such available as of the Closing Date on the CMSA Website.

            "CMSA Servicer Watch List": A report which is one element of the
supplemental reports of the CMSA Investor Reporting Package and is substantially
in the form of, and contains the information called for in, the downloadable
form entitled as such available as of the Closing Date on the CMSA Website.

            "CMSA Website": The Commercial Mortgage Securities Association
website located at "www.cmbs.org" or such other primary website as the CMSA may
establish for dissemination of its report forms.

            "Day One Report": With respect to each Mortgage Loan and A/B
Mortgage Loan, a statement in the form of Exhibit B-1(f) setting forth the
Monthly Payments of interest and principal and the amount of any unanticipated
prepayments of which the Primary Servicer has received notice, indicating the
Mortgage Loan or A/B Mortgage Loan and on account of what type of payment such
amount is to be applied on behalf of the related Mortgagor.


                                       -3-



            "Deemed Category 1 Request": With respect to an A/B Mortgage Loan, a
Category 2 Request shall, for purposes of this Agreement, be deemed to be a
Category 1 Request and shall be processed, as such, by the Primary Servicer.

            "Distribution Date": With respect to the PWR17 Trust, as defined in
the Pooling and Servicing Agreement. With respect to any other ABS Issuing
Entity (as the context requires), the monthly date on which distributions are
made on the related certificates under the related pooling and servicing
agreement.

            "Excess Servicing Fee": For each calendar month, as to each Mortgage
Loan, the portion of the related Excess Servicing Fee Rate applicable to such
month (determined in the same manner as the applicable Mortgage Rate determined
for such Mortgage Loan for such month) multiplied by the Stated Principal
Balance of such Mortgage Loan immediately before the Due Date occurring in such
month, but prorated for the number of days during the calendar month for such
Mortgage Loan for which interest actually accrues on such Mortgage Loan and only
from collections on such Mortgage Loan.

            "Excess Servicing Fee Rate": The rate of 0.0% per annum with respect
to each Mortgage Loan.

            "Lease": A lease, proposed lease, or amendment, modification,
restatement, extension or termination of a lease, in each case of space and any
other ancillary and associated rights in a building or on the real estate
constituting all or a portion of a Mortgaged Property.

            "Loan Documents": As defined in the Post Closing Matters Description
in Exhibit B-2.

            "Mandatory Prepayment Date Assumption": The assumption set forth in
Exhibit B (Servicing Proposal) to the Servicing Rights Purchase Agreement dated
September 12, 2007 between the Master Servicer and Principal Commercial Funding
II, LLC, as Seller, to the effect that, except as disclosed to the Master
Servicer in the servicing tape referred to therein, no Mortgage Loan has terms
under which it may be paid off, in whole or in part, on a date other than a due
date or maturity date (including during open periods) without payment of a full
month of interest.

            "Master Servicer": As defined in the preamble to this Agreement.

            "Master Servicer Servicing Documents": A copy of the documents
contained in the Mortgage File for the Mortgage Loans and any A/B Mortgage
Loans.

            "Materiality Determination": With respect to a Category 1 Request,
the determination by Primary Servicer, exercised in good faith using the
"Servicing Standard" set forth in the Pooling and Servicing Agreement, whether a
Category 1 Consent Aspect is material and should be referred to the Special
Servicer for consent in accordance with this Agreement and the Pooling and
Servicing Agreement.

            "Mortgage Loan": A Mortgage Note secured by a Mortgage, and all
amendments and modifications thereof, identified on the schedule attached to
this Agreement as Schedule I, as amended from time to time, and conveyed,
transferred, sold, assigned to or deposited with the Trustee pursuant to Section
2.01 or Section 2.03 of the Pooling and Servicing Agreement, and Mortgage Loan
shall also include any Defeasance Loan.


                                       -4-



            "Non-Mandatory Prepayment Date Mortgage Loan": As defined in Section
5.10(a) hereof.

            "Officer's Certificate": In the case of the Primary Servicer, a
certificate signed by one or more of the Chairman of the Board, any Vice
Chairman, the President, or any Executive Vice President, Senior Vice President,
Vice President or Assistant Vice President or an employee designated as a
Servicing Officer pursuant to this Agreement.

            "Operating Statement Analysis": A report which is one element of the
MBA/CMSA Methodology for Analyzing and Reporting Property Income Statements,
which is part of the CMSA Investor Reporting Package and the form of which is
attached to the Pooling and Servicing Agreement as Exhibit W.

            "Payment and Collection Description": The description of the
obligations of the Primary Servicer with respect to collection and remittance of
payments on the Mortgage Loans and the A/B Mortgage Loans, as more particularly
described in Section 2.1(c) hereof.

            "Payment and Mortgage Loan Status Reports": The reports to be
submitted by Primary Servicer to the Master Servicer with respect to reporting
about collection and remittance of payments, delinquencies, status of real
estate taxes, status of insurance and status of UCC financing statements for the
Mortgage Loans and with respect to an A/B Mortgage Loan, the holder of the B
Note, if required by the applicable A/B Intercreditor Agreement, as more
particularly described and in the forms attached hereto as Exhibit B-1.

            "POA Notice": As defined in the Post Closing Matters Description in
Exhibit B-2.

            "Pooling and Servicing Agreement": As defined in the preamble to
this Agreement.

            "Post Closing Matters Description": The description of the relative
obligations of the Primary Servicer and Master Servicer with respect to requests
from Mortgagors on Mortgage Loans and A/B Mortgage Loans that have not become
Defaulted Mortgage Loans, a Specially Serviced Mortgage Loan or one on which a
Servicing Transfer Event has occurred, which obligations are more particularly
described and set forth on Exhibit B-2.

            "Post Closing Request": As defined in the Post Closing Matters
Description in Exhibit B-2.

            "Primary Servicer Collection Account": An account, which shall be an
Eligible Account, established by Primary Servicer for the purposes set forth in
this Agreement, the income and earnings on which shall inure entirely to the
benefit of Primary Servicer. The Primary Servicer Collection Account shall be
established in the name of "Principal Global Investors, LLC, as Primary Servicer
for Wells Fargo Bank, National Association, as Master Servicer for LaSalle Bank
National Association, as Trustee for the Holders of Bear Stearns Commercial
Mortgage Securities Inc., Commercial Mortgage Pass-Through Certificates, Series
2007-PWR17."

            "Primary Servicer Default": As defined in Section 6.1 hereof.

            "Primary Servicer Errors and Omissions Insurance Policy": As defined
in Section 5.3(a) hereof.

            "Primary Servicer Fidelity Bond": As defined in Section 5.3(a)
hereof.


                                       -5-



            "Primary Servicer Form 8-K Information Report": As defined in
Section 5.13(c)(i) hereof.

            "Primary Servicer Form 10-D Information Report": As defined in
Section 5.13(c)(ii) hereof.

            "Primary Servicer Form 10-K Information Report": As defined in
Section 5.13(c)(iii) hereof.

            "Primary Servicer Servicing Documents": (a) a copy of the documents
contained in the Mortgage File for the Mortgage Loans and A/B Mortgage Loans and
(b) all other servicing documents and records in possession of Primary Servicer
that relate to or are used for the servicing of the Mortgage Loans and A/B
Mortgage Loans and that are not required to be part of the applicable Mortgage
File.

            "Primary Servicing Fee": For each calendar month, as to each
Mortgage Loan and each B Note, the portion of the Primary Servicing Fee Rate
applicable to such month (determined in the same manner as the applicable
Mortgage Rate is determined for such Mortgage Loan for such month) multiplied by
the Stated Principal Balance of such Mortgage Loan (or the Principal Balance in
the case of each B Note) immediately before the Due Date occurring in such
month, but prorated for the number of days during the calendar month for such
Mortgage Loan for which interest actually accrues on such Mortgage Loan and only
from collections on such Mortgage Loan.

            "Primary Servicing Fee Rate": A rate of 0.01% per annum with respect
to each Mortgage Loan.

            "Primary Servicing Officer": Any officer or employee of the Primary
Servicer involved in, or responsible for, the administration and servicing of
the Mortgage Loans and A/B Mortgage Loans whose name and specimen signature
appear on a list of servicing officers or employees furnished to the Master
Servicer by the Primary Servicer and signed by an officer of the Primary
Servicer, as such list may from time to time be amended.

            "Primary Servicing Termination Date": As defined in Section 6.2
hereof.

            "Property Inspection Description": The description of the
obligations of the Primary Servicer with respect to inspection of the Mortgaged
Properties for each of the Mortgage Loans and the A/B Mortgage Loans as more
particularly described in Section 2.1(d) hereof and Exhibit B-3.

            "PWR17 Trust": The trust established under the Pooling and Servicing
Agreement.

            "Reconciliation Certification Date": As defined in Section 5.12
hereof.

            "Regulations": The rules, regulations and policy statements of the
SEC as in effect from time to time.

            "Requirements List": As defined in the Post Closing Matters
Description in Exhibit B-2.

            "Report Date": The third Business Day before the related
Distribution Date.

            "SEC": The Securities and Exchange Commission.


                                       -6-



            "Services": Those activities to be provided by the Primary Servicer
for the Servicing of the Mortgage Loans and the A/B Mortgage Loans pursuant to
the provisions of this Agreement.

            "Servicing": With respect to any Mortgage Loan and any A/B Mortgage
Loan, the right and obligation of the Primary Servicer to administer such
Mortgage Loan and any A/B Mortgage Loan in accordance with the provisions
hereof.

            "Servicing Documents": The Master Servicer Servicing Documents and
Primary Servicer Servicing Documents.

            "Servicing Standard": With respect to the Primary Servicer, the
Primary Servicer shall service and administer the Mortgage Loans and the A/B
Mortgage Loans that it is obligated to service and administer pursuant to this
Agreement on behalf of the Master Servicer and in the best interests of and for
the benefit of the Certificateholders and, with respect to each B Note, the
holder(s) of each such B Note (as determined by the Primary Servicer in its good
faith and reasonable judgment), in accordance with applicable law, the terms of
this Agreement and the terms of the respective Mortgage Loans and A/B Mortgage
Loans and, to the extent consistent with the foregoing, further as follows:

            (a)   with the same care, skill and diligence as is normal and usual
in its general mortgage servicing and REO property management activities on
behalf of third parties or on behalf of itself, whichever is higher, with
respect to mortgage loans and REO properties that are comparable to those for
which it is responsible hereunder; and

            (b)   with a view to the timely collection of all Monthly Payments
of principal and interest under the Mortgage Loans and A/B Mortgage Loans;

and without regard to: (I) any other relationship that the Primary Servicer, or
any Affiliate thereof, may have with the related Mortgagor; (II) the ownership
of any Certificate or B Note by the Primary Servicer, or any Affiliate thereof;
(III) the Master Servicer's obligation to make Advances; and (IV) the right of
the Primary Servicer (or any Affiliate thereof) to receive reimbursement of
costs, or the sufficiency of any compensation payable to it, hereunder or with
respect to any particular transaction; provided, however, that in no event shall
the foregoing standards be less than the applicable provisions of the Servicing
Standard set forth in the Pooling and Servicing Agreement and with respect to an
A/B Mortgage Loan, the servicing standards set forth in the related A/B
Intercreditor Agreement.

            "Significant Leases": A Lease at a Mortgaged Property covering or
proposed to cover more than the greater of either (a) 30,000 net rentable square
feet or (b) thirty percent (30%) of the net rentable square footage of the
Mortgaged Property.

            "Significant Obligor": A person that is identified in the Prospectus
Supplement as a "significant obligor" for the PWR17 Trust within the meaning of
Item 1101(k) of Regulation AB. For the avoidance of doubt, the parties
acknowledge that the Pooling and Servicing Agreement entitles the parties to
rely on the Prospectus Supplement for purposes of identifying a "significant
obligor" for the PWR17 Trust and that the Prospectus Supplement does not
identify any Borrower under a Mortgage Loan primary serviced hereunder as a
"significant obligor" for the PWR17 Trust.

            "SNDA": A Subordination, Non-Disturbance and Attornment Agreement
with respect to a Lease on a form customarily used by Primary Servicer with
respect to Mortgaged Properties of similar type and consistent with the
Servicing Standard.


                                       -7-



            "Special Servicer": Centerline Servicing Inc. or any successor
thereto as general special servicer under the Pooling and Servicing Agreement.

            "Successor Primary Servicer": The Person selected by the Master
Servicer upon the termination of the Primary Servicer resulting from any Primary
Servicer Default, if any, who shall thereafter perform the Services with respect
to the Mortgage Loans and the A/B Mortgage Loans; provided, that the Master
Servicer shall perform all Services with respect to the Mortgage Loans and the
A/B Mortgage Loans until such Person, if any, is selected.

            "Task Description": The outline description of the obligations of
the Primary Servicer and Master Servicer with respect to the Mortgage Loans and
the A/B Mortgage Loans as set forth in Exhibit B-4 attached to this Agreement.

            "Trustee": LaSalle Bank National Association or any successor
thereto as trustee under the Pooling and Servicing Agreement.


                                       -8-



                                   ARTICLE II.
                                PRIMARY SERVICING

            SECTION 2.1 PRIMARY SERVICING From the Closing Date until the
Primary Servicing Termination Date, Master Servicer hereby authorizes and
directs Primary Servicer to service each Mortgage Loan and each A/B Mortgage
Loan as primary servicer on behalf of and at the direction of the Master
Servicer as provided in this Agreement. The Services shall consist of the
following:

                  (a)     Primary Servicer shall perform all tasks and
      responsibilities necessary to meet the requirements under the Task
      Description, the Post Closing Matters Description, the Payment and
      Collection Description and the Payment and Mortgage Loan Status Reports,
      in each case in accordance with the terms of this Agreement and, with
      respect to each B Note, the terms of the related A/B Intercreditor
      Agreement, and in a manner not inconsistent with the Pooling and Servicing
      Agreement. Primary Servicer shall also perform the obligations to which it
      has expressly agreed under the Pooling and Servicing Agreement and the
      Master Servicer's obligations set forth in Section 4.02(d) of the Pooling
      and Servicing Agreement relating to Annual Statement and Rent Roll
      Reporting with respect to the Mortgage Loans and the A/B Mortgage Loans.

                  (b)     Master Servicer and Primary Servicer agree and
      acknowledge that the Task Description is a chart that enumerates a list of
      tasks and the general allocation of responsibility of servicing
      obligations between the Master Servicer and the Primary Servicer for such
      tasks, and the Post Closing Matters Description sets forth a specific
      method for classifying post closing requests of a Mortgagor and allocating
      responsibility for handling such requests based upon such classification.
      Master Servicer and Primary Servicer have made efforts to reconcile the
      Task Description and Post Closing Matters Description.

                  (c)     Without limiting the foregoing, Primary Servicer shall
      collect and remit payments on the Mortgage Loans and the A/B Mortgage
      Loans in accordance with the Payment and Collection Description. For the
      purposes of this Agreement, the "Payment and Collection Description" shall
      encompass all of the following responsibilities and obligations set forth
      in the following subsections (i) through (viii) and subsection (xii):

                  (i)     On or prior to the Closing Date, the Primary  Servicer
            shall establish a Primary Servicer Collection Account, and give the
            Master Servicer prior written notice of the name and address of the
            depository institution at which such Primary Servicer Collection
            Account is maintained and the account number of the Primary Servicer
            Collection Account. Primary Servicer may direct the investment of
            funds on deposit in the Primary Servicer Collection Account subject
            to and in accordance with the criteria and requirements set forth in
            the applicable A/B Intercreditor Agreement, as they relate to a
            particular B Note and those set forth in the Pooling and Servicing
            Agreement relating to the Collection Account established thereunder
            (construed as if the Primary Servicer Collection Account were such
            Collection Account), including without limitation the obligation, if
            any, to deposit into such account the amount of any investment
            losses to the extent required in the Pooling and Servicing Agreement
            and, with respect to each B Note, the terms of each related A/B
            Intercreditor Agreement.

                  (ii)    The Primary Servicer shall make efforts consistent
            with the Servicing Standard to collect all monthly payments of
            principal (including without limitation


                                       -9-



            Balloon Payments) and interest with respect to the Mortgage Loans
            and the A/B Mortgage Loans (except for payments due on or prior to
            the Cut-off Date), as well as any required Principal Prepayments,
            Prepayment Premiums, late charges, Insurance Proceeds, Condemnation
            Proceeds and any and all other amounts due from the Mortgagor or a
            third party with respect to the Mortgage Loans pursuant to the Loan
            Documents; provided, however, that with respect to any payments that
            are required under the terms of the applicable loan documents to be
            made directly to a Person other than the holder of the related
            Mortgage Loan, the Primary Servicer shall use efforts consistent
            with the Servicing Standard to cause such payments to be made.

                  (iii)   The Primary  Servicer  shall deposit all such payments
            received with respect to each A/B Mortgage Loan and each Mortgage
            Loan (less any related Aggregate Servicing Fee and any other
            payments due to Primary Servicer under this Agreement with respect
            to such Mortgage Loan) into the Primary Servicer Collection Account
            on or before the next Business Day after receiving each such
            payment. With respect to funds deposited into the Primary Servicer
            Collection Account for each A/B Mortgage Loan, on or before the end
            of the third Business Day after the Primary Servicer receives such
            funds the Primary Servicer shall determine, in accordance with the
            provisions of the applicable A/B Intercreditor Agreement, the amount
            (if any) of such funds required to be paid to the holder of the
            related B Note (less any primary servicing fee or other fee, if any,
            agreed to be paid by the holder of such B Note to the Primary
            Servicer pursuant to the applicable A/B Intercreditor Agreement or
            other agreement between the Primary Servicer and such B Note holder,
            together with any other payments related to such B Note, which are
            payable to the Primary Servicer). Such amount with respect to such
            related B Note shall be paid to the holders of such B Note, at the
            times and in the manner required pursuant to the provisions of the
            applicable A/B Intercreditor Agreement.

                  (iv)    Subject to the previous subsection, and after making
            the determination of the amount required to be paid to the holders
            of each related B Note, the Primary Servicer shall remit to the
            Master Servicer from the Primary Servicer Collection Account, by
            wire transfer of immediately available funds, all funds in such
            account (other than income and earnings on such account), and shall
            not withdraw funds therefrom for any other purpose, except to
            withdraw amounts required to be paid to the holders of each B Note
            and any other amounts deposited therein by error, as follows: (1) in
            the case of any payments received and collected during a Collection
            Period on or before the Determination Date for such Collection
            Period, Primary Servicer shall remit such payments on such
            Determination Date; and (2) in the case of any payments received and
            collected by Primary Servicer after the Determination Date for such
            Collection Period, Primary Servicer shall remit all such payments on
            the first Business Day following receipt of the amount of any such
            payments; provided, however, that notwithstanding any contrary
            provision of clause (1) or clause (2) all of the following
            provisions shall apply:

                          (1) in the case of any payment received on a
                  Determination Date for a Collection Period, Primary Servicer
                  shall (i) provide Master Servicer with immediate notice of
                  Primary Servicer's receipt of such payment and (ii) shall use
                  its reasonable best efforts to remit such payment to Master
                  Servicer on the date of receipt and in any event shall remit
                  such payment to Master Servicer within one Business Day
                  following receipt (and Primary Servicer shall in any event
                  provide Master Servicer with immediate notice of Primary
                  Servicer becoming aware that any Principal Prepayment is to be
                  made on a Determination Date);


                                      -10-



                          (2) any Monthly Payment due during a Collection Period
                  but received after the end of such Collection Period shall be
                  remitted by Primary Servicer within one Business Day following
                  Primary Servicer's receipt of such Monthly Payment;

                          (3) Primary Servicer shall use its reasonable best
                  efforts to remit to Master Servicer on the date of receipt of,
                  and in any event shall remit to Master Servicer within one
                  Business Day following receipt of, any unscheduled payments or
                  Balloon Payments that would result in a Prepayment Interest
                  Shortfall; and

                          (4) any Monthly Payment received and collected during
                  a Collection Period, but due on a Due Date occurring after the
                  end of such Collection Period, shall be remitted on the
                  Determination Date for the Collection Period in which such Due
                  Date occurs.

                  (v)     In the event any payments received by Primary
            Servicer becomes NSF (that is, returned for funds not sufficient)
            after the monies associated with that payment have been remitted to
            the Master Servicer, the Master Servicer will return such moneys to
            Primary Servicer by wire transfer in immediately available funds
            within one Business Day of notice from the Primary Servicer. If the
            Primary Servicer fails to remit to the Master Servicer when due the
            total pool remittance required to be remitted under this Agreement
            (whether or not such failure constitutes a Primary Servicer
            Default), then interest shall accrue on the amount of the total pool
            remittance and the Primary Servicer shall promptly pay such interest
            to the Master Servicer, at a per annum rate equal to the Advance
            Rate from and including the date when such remittance was required
            to be made to but excluding the day when such remittance is actually
            made. If the Primary Servicer fails to remit a single loan
            remittance more than five (5) days after the single loan remittance
            was received by the Primary Servicer (whether or not such failure
            constitutes a Primary Servicer Default), then interest shall accrue
            on the amount of such single loan remittance and the Primary
            Servicer shall promptly pay such interest to the Master Servicer, at
            a per annum rate equal to the Advance Rate from and including the
            date when such remittance was required to be made to but excluding
            the date when such remittance is actually made.

                  (vi)    With respect to escrow or reserve payments as listed
            on the Task Description, the Primary Servicer shall collect escrow
            or reserve amounts with respect to the Mortgage Loans and A/B
            Mortgage Loans, and shall deposit such funds in an escrow account,
            which shall be an Eligible Account, and shall maintain, disburse and
            account for such funds as provided in the Task Description, for real
            estate taxes, insurance and reserves, and escrows for repairs,
            replacements, principal and interest payments and lease payments and
            any other matters specified in any agreement in which funds are held
            at the time, and in the manner and for the purposes as otherwise
            required or delineated in the Loan Documents and with respect to the
            Master Servicer under the Pooling and Servicing Agreement. The
            Primary Servicer may direct the investment of such funds subject to
            and in accordance with the criteria and requirements set forth in
            the Pooling and Servicing Agreement relating to Servicing and/or
            Reserve Accounts, including without limitation the obligation to
            deposit into the Servicing and/or Reserve Account the amount of any
            investment losses to the extent required in the Pooling and
            Servicing Agreement. Primary Servicer shall have the benefit and
            shall retain all interest and income earned on


                                      -11-



            the Servicing and/or Reserve Accounts for the Mortgage Loans and A/B
            Mortgage Loans that is not paid to Mortgagors.

                  (vii)   Primary Servicer shall submit the following Payment
            and Mortgage Loan Status Reports, in each case, in the form attached
            as Exhibit B-1 and at the time specified in the succeeding sentences
            of this sub-section (vii): (1) a remittance report for payments
            received on Mortgage Loans and A/B Mortgage Loans; (2) a delinquency
            report; (3) a real estate tax delinquency report which may be based
            upon information provided by Primary Servicer's real estate tax
            service (if any) if engaged in accordance with Article VII of this
            Agreement; (4) an insurance monitoring report; (5) a UCC form
            monitoring report; and (6) the Day One Report. Primary Servicer
            shall submit the Payment and Mortgage Loan Status Report described
            by clause (1) above by electronic mail on each day that payments or
            funds are remitted to the Master Servicer pursuant to Section 2.1(c)
            of this Agreement. Primary Servicer shall submit the Payment and
            Mortgage Loan Status Report described by clause (2) above by
            electronic mail, monthly no later than the tenth (10th) day of each
            month for the previous month. Primary Servicer shall submit the
            Payment and Mortgage Loan Status Reports described by clauses (3),
            (4) and (5) above by electronic mail, quarterly no later than
            January 15, April 15, July 15 and October 15 for the previous above
            quarter. Primary Servicer shall submit the Payment and Mortgage Loan
            Status Report described by clause (6) above by electronic mail,
            monthly no later than the first (1st) day of each month in which the
            applicable Distribution Date occurs for the then current Collection
            Period. If the day on which any Payment and Mortgage Loan Status
            Report is otherwise due as described above does not constitute a
            Business Day, then such report shall be due on the immediately
            succeeding Business Day.

                  (viii)  Master Servicer and Primary Servicer hereby allocate
            responsibility for completing the CMSA Investor Reporting Package
            for the Mortgage Loans and the A/B Mortgage Loans as follows:

                          (1) Master Servicer shall complete all fields and
                  aspects of the CMSA Loan Setup File that are available from
                  the Final Prospectus Supplement. Upon completing all of such
                  fields, Master Servicer shall forward the CMSA Loan Setup File
                  for the Mortgage Loans and the A/B Mortgage Loans to Primary
                  Servicer who shall complete the fields and aspects of the CMSA
                  Loan Setup File for the Mortgage Loans and the A/B Mortgage
                  Loans that are not available from the Final Prospectus
                  Supplement and return to Master Servicer the completed CMSA
                  Loan Setup File for the Mortgage Loans and the A/B Mortgage
                  Loans within five (5) Business Days of receiving such file
                  from Master Servicer. Master Servicer shall deliver a CMSA
                  Loan Setup File to Primary Servicer (a) for the Mortgage Loans
                  and the A/B Mortgage Loans only; (b) in electronic form; (c)
                  using an Excel file; and (d) with all fields in the same order
                  as the CMSA Loan Setup File. Primary Servicer and Master
                  Servicer acknowledge that delivery of the CMSA Loan Setup File
                  is to commence with the Report Date in October 2007.

                          (2) Commencing in the applicable "Month of Initial
                  Report" set forth opposite each report described below, the
                  Primary Servicer shall complete such report at the frequency
                  set forth opposite such report below and deliver such report
                  to the Master Servicer at or before the time described
                  opposite such report below (and with respect to an A/B
                  Mortgage Loan, deliver any additional reports to the holder of
                  the related B Note which may be required to be delivered to
                  the


                                      -12-



                  holder of such B Note, at such times as may be required
                  pursuant to the applicable A/B Intercreditor Agreement):



---------------------------------------------------------------------------------------------------------------------------------
                                             Month of                 Frequency                      Time of Required
        Description of                        Initial                     of                         Delivery to the
            Report                            Report                    Report                       Master Servicer
---------------------------------------------------------------------------------------------------------------------------------

CMSA Property File                October 2007                        Monthly            10th Business Day for prior month but in
                                                                                         no event later than 5:00 p.m. (New York
                                                                                         City time) on the Report Date in such
                                                                                         month.
---------------------------------------------------------------------------------------------------------------------------------
Operating Statement Analysis      June 2008 for                       Annually           With respect to each calendar year,
Report, CMSA Financial File and   year-end 2007                                          beginning in 2008 for year-end 2007, the
NOI Adjustment Worksheet                                                                 earlier of (i) 30 days after receipt of
                                                                                         the underlying operating statements from
                                                                                         the borrower or (ii) June 1.
---------------------------------------------------------------------------------------------------------------------------------
CMSA Loan Level Reserve/LOC       October 2007                        Monthly            10th Business Day for prior month but in
Report                                                                                   no event later than 5:00 p.m. (New York
                                                                                         City time) on the Report Date in such
                                                                                         month.
---------------------------------------------------------------------------------------------------------------------------------
CMSA Servicer Watch List          October 2007                        Monthly            10th Business Day for prior month but in
                                                                                         no event later than 5:00 p.m. (New York
                                                                                         City time) on the Report Date in such
                                                                                         month.
---------------------------------------------------------------------------------------------------------------------------------
CMSA Operating Statement          October 2007                        Monthly            10th Business Day for prior month but in
Analysis Report                                                                          no event later than the Analysis Report
                                                                                         Business Day prior to the Report Date in
                                                                                         such month.
---------------------------------------------------------------------------------------------------------------------------------
CMSA NOI Adjustment Worksheet     October 2007                        Monthly            10th Business Day for prior month but in
                                                                                         no event later than 5:00 p.m. (New York
                                                                                         City time) on the Report Date in such
                                                                                         month.
---------------------------------------------------------------------------------------------------------------------------------
CMSA Comparative Financial        October 2007                        Monthly            10th Business Day for prior month but in
Status Report                                                                            no event later than 5:00 p.m. (New York
                                                                                         City time) on the Report Date in such
                                                                                         month.
---------------------------------------------------------------------------------------------------------------------------------
Quarterly Operating Statement     95 days after September 30, 2007    Quarterly, but     With respect to a calendar quarter,
Analysis Report and CMSA          (with respect to calendar quarter   with respect to    within 95 days following the end of such
Quarterly Financial File          ending on September 30, 2007)       only the first     calendar quarter (commencing with the
                                                                      three calendar     quarter ending on September 30, 2007).
                                                                      quarters in each
                                                                      year
---------------------------------------------------------------------------------------------------------------------------------


                          (3) The Master Servicer shall have the responsibility
                  to complete and deliver the following reports in accordance
                  with the Pooling and Servicing Agreement: CMSA Loan Setup
                  File, CMSA Loan Periodic Update File; CMSA Delinquent Loan
                  Status Report; CMSA REO Status Report; Corrected Mortgage Loan
                  Report, CMSA Historical Loan Modification Report and CMSA
                  Historical Liquidation Report.


                                      -13-



                          (4) Notwithstanding the foregoing: (a) Primary
                  Servicer shall reasonably cooperate to provide to Master
                  Servicer specific information or data in Primary Servicer's
                  possession and necessary to complete a report for which Master
                  Servicer is responsible, upon the written request of Master
                  Servicer; and (b) the Master Servicer shall reasonably
                  cooperate to provide to the Primary Servicer specific
                  information or data in the Master Servicer's possession, as
                  may be requested in writing by the Primary Servicer, to enable
                  the Primary Servicer to prepare and deliver to each holder of
                  a B Note any reports or notices required to be delivered to
                  each such holder of a B Note, pursuant to the provisions of
                  the applicable A/B Intercreditor Agreement.

                          (5) Notwithstanding the definitions of various CMSA
                  reports in this Agreement that directly link such reports to a
                  form available on the CMSA Website as of the Closing Date,
                  Master Servicer shall be entitled to amend the forms of such
                  reports that Primary Servicer must deliver under this
                  Agreement, provided that (a) the Commercial Mortgage
                  Securities Association has amended the applicable reports and
                  published such amendments as its revised form on its website;
                  (b) Master Servicer gives Primary Servicer no less than ninety
                  (90) days notice of any required amendments or revisions to a
                  report prior to their becoming effective as the form of report
                  to deliver under this Agreement; and (c) any such amendments
                  or revisions (either singly or in the aggregate) shall not
                  impose undue additional burden or costs upon Primary Servicer
                  to collect, format, calculate or report information to Master
                  Servicer.

                          (6) [Reserved].

                  (ix)    Master Servicer and Primary Servicer have made efforts
            to reconcile the Task Description, the Payment and Collection
            Description and Payment and Mortgage Loan Status Reports. In the
            event of any conflict between (1) the Task Description and (2) the
            Payment and Collection Description and Payment and Mortgage Loan
            Status Reports, then the Payment and Collection Description and
            Payment and Mortgage Loan Status Reports shall govern.

                  (x)     The Primary Servicer shall be responsible for the
            calculation of any and all Prepayment Premiums payable under each
            Mortgage Loan and each A/B Mortgage Loan.

                  (xi)    Within thirty (30) days following the Closing Date,
            Primary Servicer shall deliver to Master Servicer a report listing
            the tax parcels coinciding with the Mortgaged Properties.

                  (xii)   All amounts collected by the Primary Servicer during a
            Collection Period with respect to any A/B Mortgage Loans (it being
            acknowledged that there are no A/B Mortgage Loans in the Series
            2007-PWR17 Trust Fund), which are payable to the holder of the
            applicable B Note pursuant to the provisions of the applicable
            Intercreditor Agreement, shall be paid by the Primary Servicer to
            such B Note holder no later than three Business Days after
            collection of such funds. In the event that the Primary Servicer
            determines (in its sole discretion) that in order to confirm the
            amount to be disbursed to a B Note holder pursuant to the provisions
            of the applicable A/B Intercreditor Agreement, the Primary Servicer
            requires information from the Master Servicer, the Primary Servicer
            shall have the right, within three Business Days after collection of
            the funds at issue, to deliver to the Master Servicer a written
            request for such information. The Master


                                      -14-



            Servicer shall provide the information requested, to the extent that
            such information is in the possession of the Master Servicer or
            involves a calculation to be made by the Master Servicer on the
            basis of information in the possession of the Master Servicer, no
            later than three Business Days after the Master Servicer receives
            the Primary Servicer's written request, and the Primary Servicer
            shall make the disbursement at issue to the B Note holder no later
            than three Business Days after it receives the information from the
            Master Servicer needed to confirm the disbursement at issue. In the
            event that the Master Servicer determines (in its sole discretion)
            that it is necessary or desirable to direct the Primary Servicer as
            to how to allocate amounts collected for an A/B Mortgage Loan
            between the holders of the related Mortgage Loan and its related B
            Note, the Master Servicer shall have the right, no later than the
            end of the second Business Day after each of the A/B Mortgage Loans'
            scheduled monthly payment dates, to deliver a written direction
            notice to the Primary Servicer. The Primary Servicer shall comply
            with the Master Servicer's directions, absent a disagreement (which
            shall be promptly communicated in writing to the Master Servicer)
            and addressed by the Master Servicer and the Primary Servicer within
            the time frames set forth in this Section 2.1(c)(xii). If there is
            any disagreement between the Master Servicer and the Primary
            Servicer with respect to the allocation of funds on any A/B Mortgage
            Loan, then the Master Servicer and the Primary Servicer shall
            consult with each other in good faith but the determination of the
            Master Servicer shall control and no consultation shall extend in
            duration beyond the date reasonably necessary for allocations,
            remittances and reporting to be timely made to the holders of the A
            Note and B Note. In the event that collection responsibilities for
            an A/B Mortgage Loan are transferred from the Primary Servicer to
            the Master Servicer or Special Servicer pursuant to the applicable
            provisions of this Agreement or the Pooling and Servicing Agreement,
            all amounts that are collected by the Master Servicer or the Special
            Servicer, as applicable, during a Collection Period with respect to
            such A/B Mortgage Loan and are payable to the holder of the
            applicable B Note pursuant to the provisions of the related A/B
            Intercreditor Agreement shall be remitted by the Master Servicer to
            such B Note holder no later than three Business Days after the
            collection of such funds, notwithstanding any provision of the
            applicable A/B Intercreditor Agreement that may provide the Servicer
            with a longer period of time to remit such collected funds to the B
            Note holder (except that if the related Mortgaged Property has
            become an REO Property, then the funds on deposit in the related REO
            Account related to such REO Property shall be remitted to the Master
            Servicer by the Special Servicer as and to the extent otherwise
            provided in Section 3.16 of the Pooling and Servicing Agreement and
            then, to the extent remittable to the holder of the applicable B
            Note, shall be so remitted on the next succeeding Master Servicer
            Remittance Date).

                  (d)     Commencing in the year 2008, Primary Servicer shall
      inspect, or cause to be inspected, each of the Mortgaged Properties for
      the Mortgage Loans and the A/B Mortgage Loans in accordance with Section
      3.12 of the Pooling and Servicing Agreement and, promptly upon completion
      of such inspection, shall deliver to Master Servicer and with respect to
      an A/B Mortgage Loan, to the holder of the related B Note, if required by
      the applicable A/B Intercreditor Agreement, a property inspection report
      in the form attached as Exhibit B-3 ("Property Inspection Description").

                  Master Servicer and Primary Servicer have made efforts to
      reconcile the Task Description and the Property Inspection Description. In
      the event of any conflict between (1) the Task Description and (2) the
      Property Inspection Description, then the Property Inspection Description
      shall govern.


                                      -15-



                  (e)     Primary Servicer shall promptly notify the Master
      Servicer of any significant events affecting any one or more of the
      Mortgage Loans and A/B Mortgage Loans, the related Mortgagors or the
      related Mortgaged Properties which become known to Primary Servicer or of
      which the Primary Servicer receives notice, such as a payment default, a
      bankruptcy, a judicial lien or casualty or condemnation event, and the
      Primary Servicer shall also promptly advise the Master Servicer of all
      material collection and customer service issues and, promptly following
      any request therefor by the Master Servicer, shall furnish to the Master
      Servicer with copies of any correspondence or other documents in the
      possession of the Primary Servicer related to any such matter. The Primary
      Servicer shall use reasonable efforts to promptly notify the Master
      Servicer as soon as the Primary Servicer (exercising good faith and
      reasonable judgment in accordance with the Servicing Standard) becomes
      aware that any Servicing Advance will be required (or may reasonably be
      expected to be required) to be made with respect to any Mortgage Loan or
      any A/B Mortgage Loan under the standards imposed on the Master Servicer
      by the Pooling and Servicing Agreement.

                  (f)     In addition, the Primary Servicer shall deliver or
      cause to be delivered to Master Servicer any and all information as may
      reasonably be necessary for the Master Servicer to perform its obligations
      under Section 3.20(h) of the Pooling and Servicing Agreement (to the
      extent related to the Mortgage Loans and/or A/B Mortgage Loans); provided,
      however, that in the event that the Primary Servicer has sent a notice to
      a ground lessor as contemplated by such Section 3.20(h) of the Pooling and
      Servicing Agreement, the delivery to the Master Servicer of a copy of such
      notice shall satisfy the Primary Servicer's obligation under this section
      with respect to such ground lease.

                  (g)     Primary Servicer shall perform all other obligations
      of the Primary Servicer as set forth herein.

            Primary Servicer and the Master Servicer agree that, in connection
with the performance of its obligations hereunder, the Primary Servicer shall be
entitled to request from the Master Servicer, and the Master Servicer agrees
that it shall provide, express instructions for the completion of any of the
Services to be performed or completed by the Primary Servicer, to the extent
necessary to clarify any ambiguities in the terms of this Agreement. The Master
Servicer further agrees that the Primary Servicer shall be entitled to rely upon
any such written instructions. The Primary Servicer and the Master Servicer,
respectively, shall perform all of their respective obligations as allocated and
set forth in this Agreement, and it is understood that the Primary Servicer
shall have no obligations with respect to the primary servicing of the Mortgage
Loans and the A/B Mortgage Loans, except as specifically set forth in this
Agreement.

            SECTION 2.2 STANDARD OF CARE The Primary Servicer shall perform all
Services on behalf of the Master Servicer in accordance with the terms of this
Agreement and the Servicing Standard and in a manner consistent with the
applicable provisions of the Pooling and Servicing Agreement and with respect to
an A/B Mortgage Loan, the applicable provisions of the related A/B Intercreditor
Agreement.

            SECTION 2.3 COMPENSATION AND OTHER PAYMENTS TO THE PRIMARY
SERVICER As consideration for the Primary Servicer's performance of the Services
hereunder: (a) the Primary Servicer shall be entitled to deduct the Aggregate
Servicing Fee in accordance with Section 2.1(c)(iii) of this Agreement, with
respect to the related Collection Period for each Mortgage Loan for which a
payment was received by the Master Servicer or forwarded to the Master Servicer
by the Primary Servicer; and (b) with respect to each A/B Mortgage Loan, the
Primary Servicer shall be entitled to deduct any Primary Servicing Fee or other
fee payable to the Primary Servicer as may be agreed to by the holder of the
related B Note, from each payment received by the Primary Servicer and which is
allocable to such holder of the


                                      -16-



related B Note, all in accordance with the provisions of Section 2.1 of this
Agreement. Notwithstanding the foregoing, Primary Servicer shall not be entitled
to a Primary Servicing Fee with respect to any Mortgage Loan (other than an A/B
Mortgage Loan) for which a Servicing Transfer Event has occurred (unless such
Mortgage Loan becomes a Corrected Mortgage Loan) or with respect to which the
Primary Servicer has been terminated as Primary Servicer under this Agreement
and the Pooling and Servicing Agreement.

            The Primary Servicer shall retain all rights to the Excess Servicing
Fee for all Mortgage Loans, even if (a) any Mortgage Loan or Mortgage Loans
become Specially Serviced Mortgage Loans; (b) Primary Servicer's servicing is
terminated with respect to particular Mortgage Loans or (c) Primary Servicer is
in default, is terminated or resigns under this Agreement. If Primary Servicer
is unable to deduct the Excess Servicing Fee in accordance with Section
2.1(c)(iii) because it no longer services a Mortgage Loan or Mortgage Loans or
for any other reason (other than transfer or assignment of the rights to the
Excess Servicing Fee), then Master Servicer (and any successor) shall cause the
Excess Servicing Fee to be paid on the Mortgage Loans to Primary Servicer
monthly in accordance with the terms of the Pooling and Servicing Agreement.

            The Primary Servicer shall have the benefit and shall retain all
interest and income earned on the Primary Servicer Collection Account for the
Mortgage Loans and the A/B Mortgage Loans. If Primary Servicer is terminated
under this Agreement, it shall be entitled to collect all such interest and
income that accrues through the date of termination. If a Mortgage Loan or an
A/B Mortgage Loan becomes a Specially Serviced Mortgage Loan, Primary Servicer
shall be entitled to collect all such interest and income that accrues through
the date of the applicable Servicing Transfer Event. The right to retain such
interest and income shall resume if such Mortgage Loan or an A/B Mortgage Loan
becomes a Corrected Mortgage Loan.

            The Primary Servicer shall also be entitled to retain the fees or
portions of fees set forth in the Post Closing Matters Description. Except as
specifically provided in this Agreement, the Primary Servicer shall not be
entitled to receive any default interest or late fees collected from the
Borrower, and the Primary Servicer shall promptly, upon collection of such
amounts, forward such interest and fees to the Master Servicer in accordance
with the Payment and Collection Description. Primary Servicer may waive the
right to collect a fee or portion of a fee to which it is entitled under this
Agreement but may not waive or otherwise affect the rights of other parties to
any other fees or portions of fees to which Primary Servicer is not entitled.

            The Primary Servicer shall be required to pay out of its own funds,
without reimbursement, all overhead and general and administrative expenses
incurred by it in connection with its servicing activities hereunder, including
costs for office space, office equipment, supplies and related expenses,
employee salaries and related expenses and similar internal costs and expenses,
and Primary Servicer shall be required to pay all expenses that it incurs in the
administration of this Agreement (but not those incurred at the direction or
request of Master Servicer or a third party which direction or request requires
the performance of a task or obligation not contemplated of Primary Servicer
under this Agreement) and shall not be entitled to reimbursement of such costs
and expenses, except (1) as may be specifically provided in this Agreement or
(2) to the extent expenses are reimbursable by a Mortgagor under the applicable
Loan Documents and the Mortgagor makes such reimbursement.

            SECTION 2.4 PRIMARY SERVICER REPRESENTATIONS AND WARRANTIES The
Primary Servicer hereby makes for the benefit of the Master Servicer the same
representations and warranties as are made by the Master Servicer under Section
2.06 of the Pooling and Servicing Agreement; provided, however, that (i)
references therein to the Master Servicer shall be deemed references to the
Primary Servicer and references to the Trustee shall be deemed references to the
Master Servicer and (ii) in lieu of


                                      -17-



the representation described in the first clause of Section 2.06(a)(i) of the
Pooling and Servicing Agreement, the Primary Servicer represents that the
Primary Servicer is duly organized, validly existing and in good standing as a
corporation under the laws of the jurisdiction of its organization. Primary
Servicer further represents that since origination of each Mortgage Loan and A/B
Mortgage Loan, Primary Servicer has serviced each of the Mortgage Loans and A/B
Mortgage Loans in accordance with its terms.

                                  ARTICLE III.
                           DOCUMENTS AND OTHER MATTERS

            SECTION 3.1 SEGREGATION OF MORTGAGE LOAN DOCUMENTS The Primary
Servicer shall segregate the Primary Servicer Servicing Documents related to the
Mortgage Loans and the A/B Mortgage Loans from all other assets of the Primary
Servicer and, upon request, forward to the Master Servicer copies of such
documents or originals of such documents if in the possession of Primary
Servicer and not part of the Mortgage File forwarded to the Trustee. The Primary
Servicer acknowledges that any letter of credit held by it shall be held in its
capacity as agent of the Trust, and if the Primary Servicer sells its rights to
service the applicable Mortgage Loan or A/B Mortgage Loan, the Primary Servicer
shall assign the applicable letter of credit to the Trust or at the direction of
the Special Servicer to such party as the Special Servicer may instruct, and the
Primary Servicer shall indemnify the Trust for any loss caused by the
ineffectiveness of such assignment.

            SECTION 3.2 ACCESS TO DOCUMENTS; PROVISION OF CERTAIN INFORMATION
The Primary Servicer shall make available to the Master Servicer or any
Successor Primary Servicer, at a reasonable time, such information as the Master
Servicer or such Successor Primary Servicer shall reasonably request in writing
and shall make available to the Master Servicer or any Successor Primary
Servicer or Persons designated by the Master Servicer or such Successor Primary
Servicer such documents as the Master Servicer shall reasonably request in
writing. The Master Servicer shall make available to the Primary Servicer, at a
reasonable time, such information as the Primary Servicer shall reasonably
request in writing in connection with the performance of the Services and,
subject to the terms and conditions of Section 3.15 of the Pooling and Servicing
Agreement, shall make available to the Primary Servicer or Persons designated by
the Primary Servicer such documents related to the Mortgage Loan and the A/B
Mortgage Loans and the Servicing of the Mortgage Loans and the A/B Mortgage
Loans as the Primary Servicer shall reasonably request in writing.

                                   ARTICLE IV.
                           MASTER SERVICER ASSISTANCE

            SECTION 4.1 MASTER SERVICER ASSISTANCE

            (a)   The Master Servicer shall make reasonable efforts to do any
and all things reasonably requested by the Primary Servicer to enable the
Primary Servicer to render the Services, including, without limitation,
delivering to the Trustee any receipts or other documentation that the Trustee
may require to allow it to release any Mortgage Files or documents contained
therein or acquired in respect thereof requested by the Primary Servicer.
Notwithstanding any other provision of this Agreement to the contrary and any
other notwithstanding provisions in this Agreement (including any contrary
provision of Exhibit B-2), the Primary Servicer shall do any and all things
reasonably requested by the Master Servicer to enable the Master Servicer to
comply with its obligations under the Pooling and Servicing Agreement. Before
the Master Servicer releases all or any portion of any Mortgage File or document
contained therein or acquired in respect thereof to the Primary Servicer, the
Master Servicer may require the Primary Servicer to execute a receipt therefor
or, in the event of a Mortgage Loan or an A/B Mortgage Loan that


                                      -18-



has been repaid in full, a certificate with respect to the payment in full of
the related Mortgage Loan or A/B Mortgage Loan.

            (b)   If required in connection with the provision of the Services,
the Master Servicer shall furnish, or cause to be furnished, to the Primary
Servicer, upon request, any powers of attorney of the Master Servicer or the
Trustee, empowering the Primary Servicer to take such actions as it determines
to be reasonably necessary to comply with its Servicing duties hereunder or to
enable the Primary Servicer to service and administer such Mortgage Loans and
A/B Mortgage Loans and carry out its duties hereunder, in each case in
accordance with the Servicing Standard and the terms of this Agreement. The
Primary Servicer hereby agrees to indemnify the Master Servicer and the Trustee
from any loss, damage, expense or claim relating to misuse or wrongful use of
any such power of attorney.

            SECTION 4.2 SPECIALLY SERVICED MORTGAGE LOANS The Primary Servicer
shall promptly notify the Master Servicer and Special Servicer with respect to
Specially Serviced Mortgage Loans of any questions, complaints, legal notices,
or other communications relating to the foreclosure or default of such loans or
bankruptcy proceedings of a Mortgagor that are received by the Primary Servicer
and with respect to such Mortgage Loan or A/B Mortgage Loan such other matters
as would, consistent with the Servicing Standard, require notification to the
owner or the servicer of the Mortgage Loan or A/B Mortgage Loan. The Master
Servicer shall notify the Primary Servicer of any Specially Serviced Mortgage
Loan becoming a Corrected Mortgage Loan promptly following the Master Servicer's
receipt of notice to such effect from the Special Servicer and shall provide
Primary Servicer with all relevant documents received during the time that the
relevant Mortgage Loan or A/B Mortgage Loan was a Specially Serviced Mortgage
Loan following the Master Servicer's receipt of such documents from the Special
Servicer. Upon the request of Primary Servicer, Master Servicer shall request
from the Special Servicer all such relevant documents with respect to a
Corrected Mortgage Loan. Notwithstanding anything contained herein to the
contrary, the Primary Servicer shall not without the Trustee's written consent:
(i) initiate any action, suit or proceeding solely under the Trustee's name
without indicating the Primary Servicer's representative capacity, or (ii)
knowingly take any action that causes the Trustee to be registered to do
business in any state, provided, however, that the preceding clause (i) shall
not apply to the initiation of actions relating to a Mortgage Loan that the
Primary Servicer is servicing pursuant to its duties herein (in which case the
Primary Servicer shall give three (3) Business Days prior notice to the Trustee
of the initiation of such action).

                                   ARTICLE V.
                      ADDITIONAL PRIMARY SERVICER COVENANTS

            SECTION 5.1 NOTICE OF LITIGATION With respect to any Mortgage Loan
or A/B Mortgage Loan as to which litigation is instituted, the Primary Servicer,
if aware of such litigation, shall notify the Master Servicer immediately as to
the status of the litigation related to such Mortgage Loan or A/B Mortgage Loan
and shall, when reasonably required or requested by the Master Servicer, provide
to the Master Servicer copies of all pertinent information in the Primary
Servicer's possession related to such litigation, including, without limitation,
copies of related Servicing Documents.

            SECTION 5.2 NO PERSONAL SOLICITATION The Primary Servicer hereby
agrees that it will not knowingly take any action or cause any action to be
taken by any of its agents or Affiliates, or independent contractors or working
on its behalf, to personally, by telephone or mail, solicit the prepayment of
any Mortgage Loan or A/B Mortgage Loan by any Mortgagor. Primary Servicer agrees
not to forward to any Mortgagor or other obligors under a Mortgage Loan or A/B
Mortgage Loan, any correspondence or documents between Master Servicer and
Primary Servicer regarding a Post Closing Request (except the Requirements List
(as defined in Exhibit B-2(c)) without the consent of the Master Servicer or
Special Servicer (acting in its sole discretion), unless required by law.


                                      -19-



            SECTION 5.3 FIDELITY BOND AND ERRORS AND OMISSIONS INSURANCE POLICY
(a) The Primary Servicer, at its own expense, shall maintain in effect a
fidelity bond (the "Primary Servicer Fidelity Bond") and an errors and omissions
policy (the "Primary Servicer Errors and Omissions Insurance Policy") with a
Qualified Insurer, naming the Master Servicer as loss payee, affording coverage
for all directors, officers and employees. The Primary Servicer Errors and
Omissions Insurance Policy and Primary Servicer Fidelity Bond shall be in such
form and amount that would satisfy the same requirements for such policies as
the Master Servicer must satisfy as set forth in Section 3.07 of the Pooling and
Servicing Agreement. Notwithstanding any other provisions of this Agreement, the
Primary Servicer shall be permitted to self-insure with respect to its
obligations to maintain the Primary Servicer Fidelity Bond and a Primary
Servicer Errors and Omissions Policy to the extent the Master Servicer is
permitted under Section 3.07 of the Pooling and Servicing Agreement (construed
as if the references therein to the Master Servicer were instead references to
the Primary Servicer). The Primary Servicer shall furnish to the Master
Servicer, not later than thirty (30) days after the Closing Date, evidence of
the Primary Servicer's compliance with this Section 5.3(a).

            (b)   The Primary Servicer shall promptly report in writing to the
Master Servicer any material adverse changes that may occur in the Primary
Servicer Fidelity Bond or the Primary Servicer Errors and Omissions Insurance
Policy and shall furnish to the Master Servicer upon written request copies of
all binders and policies or certificates evidencing that such bond and insurance
policy are in full force and effect. The Primary Servicer shall promptly report
in writing to the Master Servicer all cases of embezzlement or fraud or
irregularities of operation relating to the servicing of the Mortgage Loans and
of the A/B Mortgage Loans by the Primary Servicer and its employees, officers,
directors, agents and representatives if such events involve funds relating to
the Mortgage Loans and the A/B Mortgage Loans. The total of such losses,
regardless of whether claims are filed with the applicable insurer or surety,
shall be disclosed in such reports together with the amount of such losses
covered by insurance. If a bond or insurance claim report is filed with any of
the Primary Servicer's bonding companies or insurers relating to the Mortgage
Loans or the A/B Mortgage Loans or the servicing thereof, a copy of such report
(which report may omit any references to individuals suspected of such
embezzlement, fraud or irregularities of operation) shall be promptly furnished
to the Master Servicer.

            SECTION 5.4 PRIMARY SERVICER'S FINANCIAL STATEMENTS AND RELATED
INFORMATION The Primary Servicer shall deliver to the Master Servicer, within
120 days after the end of its fiscal year, a copy of its annual financial
statements, such financial statements to be audited if then customarily audited,
and with respect to any unaudited financial statements provided by the Primary
Servicer, which financial statements shall be certified by the Primary
Servicer's chief financial officer to be true, correct and complete. The Primary
Servicer shall notify the Master Servicer, as of the Closing Date, of the
Primary Servicer's fiscal year and shall notify the Master Servicer promptly
after any change thereof.

            SECTION 5.5 NO ADVANCING Under no circumstance shall the Primary
Servicer make or have an obligation to make any Advances.

            SECTION 5.6 REMIC COMPLIANCE The Primary Servicer shall comply with
all of the obligations otherwise imposed on the Master Servicer under Article X
of the Pooling and Servicing Agreement insofar as such obligations relate to the
Mortgage Loans and/or the A/B Mortgage Loans.

            SECTION 5.7 INSPECTION RIGHTS The Primary Servicer shall afford the
Master Servicer and the Trustee, upon reasonable notice and during normal
business hours, reasonable access to all records, information, books and
documentation regarding the applicable Mortgage Loans and the A/B Mortgage
Loans, and all accounts, insurance policies and other relevant matters relating
to this Agreement, and access to Primary Servicing Officers of the Primary
Servicer responsible for its obligations hereunder. Without limiting the
preceding sentence, Master Servicer may visit the offices of


                                      -20-



Primary Servicer no more than once annually for the purpose of reviewing Primary
Servicer's compliance with this Agreement upon reasonable notice and during
normal business hours, and Primary Servicer shall reasonably cooperate with
Master Servicer to provide Master Servicer with the information that Master
Servicer reasonably requests to permit such review. Primary Servicer shall
reimburse Master Servicer for its reasonable and actual travel expenses incurred
in connection with such review in an amount not to exceed $5,000 annually in
total for this Agreement and all similar commercial mortgage loan servicing
agreements in place between Primary Servicer and Master Servicer. Primary
Servicer shall have no obligation to provide access to non-public information
not pertaining to the Mortgage Loans or the A/B Mortgage Loans or to proprietary
information relating to Primary Servicer.

            SECTION 5.8 AUTHORIZED OFFICER Primary Servicer shall provide Master
Servicer promptly with a written list of authorized Servicing Officers of
Primary Servicer, which may be amended from time to time by written notice from
Primary Servicer to Master Servicer; provided, however, that such list shall
denote one principal Servicing Officer responsible for the Primary Servicer's
obligations under this Agreement.

            SECTION 5.9 ADDITIONAL REPORTS Primary Servicer shall produce such
additional written reports with respect to the Mortgage Loans and the A/B
Mortgage Loans as the Master Servicer may from time to time reasonably request
in accordance with the Servicing Standard and shall reasonably cooperate with
Master Servicer to aid Master Servicer in its obligations to produce additional
reports and respond to inquiries under the Pooling and Servicing Agreement.

            SECTION 5.10 PREPAYMENT INTEREST SHORTFALLS AND EXCESSES (a) (a) For
any Mortgage Loan, Primary Servicer shall require Principal Prepayments to be
made so as not to cause a Prepayment Interest Shortfall. If the Loan Documents
of a related Mortgage Loan do not allow Primary Servicer to require Principal
Prepayments (or condition acceptance of Principal Prepayments) on a date that
will avoid a Prepayment Interest Shortfall ("Non-Mandatory Prepayment Date
Mortgage Loan"), then the Primary Servicer shall pay to Master Servicer on the
date specified in Section 2.1(c)(iv) of this Agreement, in addition to all other
amounts due for such Principal Prepayment, an amount payable by the Primary
Servicer from its own funds without reimbursement therefor equal to any
Prepayment Interest Shortfall that results from such Principal Prepayment (for
the avoidance of doubt, no such reimbursement shall be required with respect to
any B Notes); provided, however, that for all Principal Prepayments received
during any Collection Period with respect to Non-Mandatory Prepayment Date
Mortgage Loans, the Primary Servicer shall in no event be required to remit an
amount greater than the amount of the Primary Servicing Fees for such Collection
Period, plus any investment income earned on the amount prepaid prior to the
related Distribution Date.

            (b)   If the Mandatory Prepayment Date Assumption proves to be
inaccurate as to any Mortgage Loan and, as a direct consequence of that
inaccuracy, the Master Servicer is required to make a payment of Compensating
Interest on any Master Servicer Remittance Date pursuant to Section 3.19(c) of
the Pooling and Servicing Agreement in respect of Prepayment Interest Shortfalls
arising on that Mortgage Loan during the then most recently ended Collection
Period, the Primary Servicer shall reimburse the Master Servicer the amount of
such Compensating Interest payment attributable to that Mortgage Loan promptly
following request therefor by the Master Servicer (for the avoidance of doubt,
no such reimbursement shall be required with respect to any B Note). The amount
of damages, if any, due and owing from the Primary Servicer under the Servicing
Rights Purchase Agreements, dated as of September 12, 2007 between the Master
Servicer and Principal Commercial Funding II, LLC, as Seller, with respect to an
inaccuracy of the Mandatory Prepayment Date Assumption shall be reduced by the
amount of any Compensating Interest paid by the Primary Servicer hereunder with
respect to the applicable Mortgage Loan. For the avoidance of doubt, no such
reimbursement shall be required to be made in connection with Prepayment
Interest Shortfalls resulting from involuntary Principal Prepayments


                                      -21-



except to the extent the Primary Servicer did not apply the proceeds of such
involuntary Principal Prepayments in accordance with the terms of the related
Mortgage Loan documents.

            (c)   If any Principal Prepayment on any Mortgage Loan results in a
Prepayment Interest Excess, then Primary Servicer shall remit such Principal
Prepayment and accompanying collections as required under Section 2.1 and Master
Servicer shall, on the Master Servicer Remittance Date immediately following the
remittance of the Principal Prepayment by the Primary Servicer to the Master
Servicer, remit to Primary Servicer a pro rata portion (based upon all
Prepayment Interest Excesses remitted to Master Servicer by all Primary
Servicers (as defined in the Pooling and Servicing Agreement) with respect to
such Collection Period) of the amount by which the amount of the Prepayment
Interest Excesses for such Collection Period exceed all Prepayment Interest
Shortfalls (excluding, with respect to all of the Primary Servicers, any
Prepayment Interest Shortfalls of the type described in clause (b) above) for
such Collection Period with respect to any of the mortgage loans (whether or not
the subject of this Agreement) that are serviced under the Pooling and Servicing
Agreement (except that if the aggregate pro rata portion owed to Primary
Servicer during any Collection Period as a result of such calculation exceeds
$20,000, Master Servicer shall remit to Primary Servicer such pro rata portion
no later than three (3) Business Days prior to the Distribution Date for the
applicable Collection Period).

            SECTION 5.11 CONSENTS Primary Servicer shall (a) obtain the consent
of the Special Servicer with respect to assignments and assumptions of Mortgage
Loans or A/B Mortgage Loans in accordance and subject to the terms of Section
A.1(c)(ii) of Exhibit B-2(c) of this Agreement and Section 3.08 of the Pooling
and Servicing Agreement; (b) obtain the consent of the Master Servicer with
respect to the defeasance of Mortgage Loans in accordance with and subject to
the terms of Section A.1(c)(i) of Exhibit B-2(c) of this Agreement; (c) obtain
the consent of the Special Servicer with respect to additional liens, monetary
encumbrances and mezzanine financings in accordance with and subject to the
terms of Section A.1(c)(iii) of Exhibit B-2(c) of this Agreement and Section
3.08 of the Pooling and Servicing Agreement; (d) notify Master Servicer of any
Materiality Determination, which shall thereafter be handled in accordance with
Sections A.1(a) and (c)(iv) of Exhibit B-2(c) of this Agreement; and (e) with
respect to an A/B Mortgage Loan, if required by the related A/B Intercreditor
Agreement, obtain the consent of the holder of the related B Note for those
actions which require the consent of such B Note holder.

            SECTION 5.12 QUARTERLY SERVICING ACCOUNTS RECONCILIATION
CERTIFICATION

            Primary Servicer shall execute and deliver to Master Servicer a
certification substantially in the form set forth in Exhibit D hereto no later
than the 25th calendar day of each January, April, July and October, commencing
in October 2007 (the date of such delivery, in each case, a "Reconciliation
Certification Date"), with respect to the three consecutive calendar months
immediately preceding the calendar month in which such Reconciliation
Certification Date falls.

            SECTION 5.13 EXCHANGE ACT REPORTS; ANNUAL COMPLIANCE DOCUMENTS

            (a)   Regulation AB Compliance. The Primary Servicer shall comply
with the reporting and certification requirements required to be complied with
by a "Reporting Servicer", a "Sub-Servicer", a "Servicing Function Participant"
or an "Additional Servicer" under Article XI of the Pooling and Servicing
Agreement (whether or not the Primary Servicer's activities satisfy the
percentage requirement set forth in the definition of "Servicing Function
Participant" under the Pooling and Servicing Agreement (or, implicitly, in the
definitions of "Reporting Servicer" or "Sub-Servicer" under the Pooling and
Servicing Agreement) or the definitional requirements of "Additional Servicer"
under the Pooling and Servicing Agreement). The parties acknowledge the
entitlement granted to the Master Servicer and the Primary Servicer under the
Pooling and Servicing Agreement to assume that there is no


                                      -22-



"significant obligor" other than a party identified as such in the Prospectus
Supplement and to assume that no other person will constitute a "significant
obligor" after the Cut-off Date. The parties further acknowledge that no Person
is identified in the Prospectus Supplement as a "significant obligor" with
respect to any of the Mortgage Loans. The Primary Servicer shall be entitled to
rely on such provisions of the Pooling and Servicing Agreement and such
acknowledgements for purposes of its duties under this Section 5.13.

            (b)   General Reporting Obligations. The Primary Servicer shall
comply from time to time with the reporting and certification requirements set
forth in Section 5.13(c) with respect to each ABS Issuing Entity. For such
purpose, Section 5.13(c) shall be construed separately in relation to each ABS
Issuing Entity. If any mortgage loan serviced hereunder is not initially held by
the PWR17 Trust, then any ABS Issuing Entity to which such mortgage loan may
subsequently be transferred shall be recognized as an ABS Issuing Entity for
purposes of this Section from and after the effective date set forth in a notice
of such transfer delivered to the Primary Servicer, which notice sets forth the
name of the ABS Issuing Entity, the name and address of the depositor for such
ABS Issuing Entity, the name and address of the trustee for such ABS Issuing
Entity, the name and address of any paying agent and/or certificate
administrator for such ABS Issuing Entity that is not the same person as the
trustee for such ABS Issuing Entity and the name and address of the applicable
master servicer for such ABS Issuing Entity. In no event shall such an effective
date occur earlier than the date that is five (5) Business Days following the
delivery of such notice.

            For example and not as a limitation of the preceding paragraph, if a
hypothetical promissory note designated "Note A-1" and a hypothetical promissory
note designated "Note A-2" are secured by the same mortgaged property, such
"Note A-1" is held by the PWR17 Trust and such "Note A-2" is held by a different
commercial mortgage trust, then (i) one set of the reports required hereunder
must be prepared and delivered with respect to the trust that holds such "Note
A-1" and a second set of the reports required hereunder must be prepared and
delivered with respect to the trust that holds such "Note A-2", (ii) for
purposes of measuring percentages of pool assets, the first set of reports must
reflect (where applicable) a measurement of percentages of pool assets by
reference to the pool of assets held by the trust that holds such "Note A-1" and
the second set of reports must reflect (where applicable) a measurement of
percentages of pool assets by reference to the pool of assets held by the trust
that holds such "Note A-2" and (iii) references in the succeeding provisions of
this Section to the "ABS Issuing Entity" shall mean, for purposes of the first
set of reports, the trust that holds such "Note A-1" and, for purposes of the
second set of reports, the trust that holds such "Note A-2".

            (c)   Certain Reports, Certifications and Compliance Information.
The Primary Servicer shall comply with the following provisions:

                  (i)     Form 8-K Information. With respect to each ABS Issuing
      Entity (for so long as it is subject to Exchange Act reporting
      requirements), not later than the date set forth in Section 11.09 of the
      Pooling and Servicing Agreement with respect to any event described below
      of which the Primary Servicer becomes aware, the Primary Servicer shall
      deliver to the Depositor or other Applicable Depositor (with a copy to the
      Master Servicer) a report (a "Primary Servicer Form 8-K Information
      Report") setting forth all of the information regarding such event that is
      required to be included in a Current Report on Form 8-K ("Form 8-K") under
      the Exchange Act, to the extent that the Primary Servicer is required to
      deliver such information under Article XI of the Pooling and Servicing
      Agreement.

                  (ii)    Form 10-D Information. With respect to each ABS
      Issuing Entity and each Distribution Date (for so long as such ABS Issuing
      Entity is subject to Exchange Act reporting requirements), not later than
      the date (in each month) set forth in Section 11.06 of the


                                      -23-



      Pooling and Servicing Agreement, the Primary Servicer shall deliver to the
      Depositor or other Applicable Depositor (with a copy to the Master
      Servicer) a report (a "Primary Servicer Form 10-D Information Report")
      setting forth all of the information that is required to be included in
      the Asset-Backed Issuer Distribution Report on Form 10-D ("Form 10-D")
      under the Exchange Act relating to the Distribution Date occurring in such
      month, to the extent that the Primary Servicer is required to deliver such
      information under Article XI of the Pooling and Servicing Agreement.

                  (iii)   Form 10-K Information (Other than Annual Compliance
      Information). With respect to each ABS Issuing Entity (for so long as it
      is subject to Exchange Act reporting requirements), not later than the
      date in each month set forth in Section 11.07 of the Pooling and Servicing
      Agreement, the Primary Servicer shall deliver to the Depositor or other
      Applicable Depositor (with a copy to the Master Servicer) a report (a
      "Primary Servicer Form 10-K Information Report") setting forth all of the
      information (other than a report regarding its assessment of compliance, a
      report by a registered public accounting firm that attests to and reports
      on such assessment report and a statement of compliance, which reports and
      statements shall be governed by subsection (c)(iv)) that is required to be
      included in an Annual Report on Form 10-K (a "Form 10-K") under the
      Exchange Act relating to the most recently ended calendar year, to the
      extent that the Primary Servicer is required to deliver such information
      under Article XI of the Pooling and Servicing Agreement.

                  (iv)    Annual Compliance Information. Not later than March 1
      of each year, the Primary Servicer shall deliver to the Master Servicer
      the following reports and certifications as required under Section 11.12
      and Section 11.13 of the Pooling and Servicing Agreement (but, for the
      avoidance of doubt, such reports and certifications shall be required
      every year, regardless of the number or percentage of loans primary
      serviced hereunder by the Primary Servicer):

                          (A)   a report regarding its assessment of compliance
            with the servicing criteria specified in Item 1122(d) of Regulation
            AB, as of and for the period ending the end of the prior calendar
            year, with respect to asset-backed securities transactions taken as
            a whole that are backed by the same asset type as that included in
            the ABS Issuing Entity, which report of assessment shall or would
            conform to the criteria set forth in Item 1122(a) and Item
            1122(c)(1) of Regulation AB;

                          (B)   a report by a registered public accounting firm
            that attests to, and reports on, the assessment described in the
            preceding clause (A), which report shall be made in a manner that
            conform or would conform to the standards for attestation
            engagements issued or adopted by the Public Company Accounting
            Oversight Board and shall or would conform to the requirements of
            Item 1122(b) and Item 1122(c)(1) of Regulation AB; and

                          (C)   a statement of compliance from the Primary
            Servicer that shall or would comply with Item 1123 of Regulation AB,
            and signed by an authorized officer of the Primary Servicer, to the
            effect that: (a) a review of the Primary Servicer's activities
            during the then most-recently ended calendar year and of its
            performance under this Agreement has been made under such officer's
            supervision and (b) to the best of such officer's knowledge, based
            on such review, the servicer has fulfilled all of its obligations
            under this Agreement in all material respects throughout the then
            most-recently ended calendar year or, if there has been a failure to
            fulfill any such obligation in any material respect, specifying each
            such failure known to such officer and the nature and status
            thereof.


                                      -24-



                  (v)     Sarbanes-Oxley Back-Up Certification. Simultaneously
      with its delivery of the Primary Servicer Form 10-K Information Report,
      the Primary Servicer shall execute and deliver to or as directed by the
      Master Servicer and/or the Applicable Depositor a backup certification,
      which shall be substantially in the form attached as Exhibit M-2 to the
      Pooling and Servicing Agreement in support of any certification obligation
      to which the Master Servicer, the depositor for the ABS Issuing Entity,
      the trustee for the ABS Issuing Entity, the master servicer for the ABS
      Issuing Entity (if other than the Master Servicer) or other similar party
      is subject under the governing agreement for the ABS Issuing Entity in
      connection with the certification requirements of the Sarbanes-Oxley Act
      of 2002, as amended, and Rule 302 of the Regulations with respect to the
      mortgage loans serviced by the Primary Servicer under this Agreement.

            (d)   USAP Alternative. Notwithstanding subsection (c)(iv), with
respect to each year in respect of which both (a) the Trust is not required to
file reports with the Commission under the Exchange Act and (b) if the Primary
Servicer services hereunder any Serviced Non-Pooled Pari Passu Companion Loan
held by a trust fund formed in connection with an Other Securitization, such
trust fund is not required to file reports with the Commission under the
Exchange Act, the Primary Servicer (but only with the consent of the Master
Servicer, which consent may be withheld in the sole discretion of the Master
Servicer) will be entitled at its option, at its expense, in lieu of delivering
or causing to be delivered a report regarding assessment of compliance with
servicing criteria otherwise required to be delivered under subsection
(c)(iv)(A) and a related attestation report of a registered public accounting
firm otherwise required to be delivered under subsection (c)(iv)(B), to cause a
firm of independent public accountants that is a member of the American
Institute of Certified Public Accountants to render and to deliver (which
delivery shall be made not later than the date when such report on an assessment
of compliance and such attestation report would have been required to be
delivered) a statement to the Master Servicer, the Trustee, the Certificate
Administrator, the Depositor, the Underwriters, the Controlling Class
Representative and (only if the Primary Servicer is servicing hereunder a
Serviced Mortgage Loan Group) the respective Serviced Non-Pooled Mortgage Loan
Noteholder(s), to the effect that such firm has examined the servicing
operations of the Primary Servicer for the previous calendar year and that, on
the basis of such examination, conducted substantially in compliance with USAP,
such firm confirms that the Primary Servicer has complied during such previous
calendar year with the minimum servicing standards (to the extent applicable to
commercial and multifamily mortgage loans) identified in USAP in all material
respects, except for such significant exceptions or errors in records that, in
the opinion of such firm, USAP requires it to report. In rendering its report
such firm may rely, as to matters relating to the direct servicing of
securitized commercial and multifamily mortgage loans by sub-servicers, upon
comparable reports of firms of independent certified public accountants rendered
on the basis of examinations conducted in accordance with the same standards
(rendered within one year of such report) with respect to those sub-servicers.

            (e)   Forms of Reports. Each report and certification delivered by
the Primary Servicer shall appear under a cover substantially in the form
attached hereto as Exhibit E. Each report, certification and statement that is
delivered or rendered by the Primary Servicer itself shall be signed by an
officer of the Primary Servicer responsible for reviewing the activities
performed by the Primary Servicer under this Agreement. Each report delivered by
the Primary Servicer that contains Primary Servicer Form 8-K Reporting
Information, Primary Servicer Form 10-D Reporting Information or Primary
Servicer Form 10-K Reporting Information shall appear in the same form that a
Form 8-K, Form 10-D or Form 10-K is required to appear under the Regulations,
except that such report shall:

                  (i)     omit the cover page that would be required under the
      applicable form under the Regulations (but the report shall nonetheless
      appear under a cover substantially in the form attached hereto as Exhibit
      E, as contemplated above); and


                                      -25-



                  (ii)    omit to comply with the signature requirements that
      would apply under the applicable form under the Regulations (but the
      report shall nonetheless be signed by an officer of the Primary Servicer
      responsible for reviewing the activities performed by the Primary Servicer
      under this Agreement, as contemplated above, and shall contain a statement
      to the effect that the report is submitted in connection with the
      reporting obligations associated with the ABS Issuing Entity under the
      Exchange Act).

                  In no event shall any statement or legend (whether such
statement or legend is included in, accompanies or is referred to in a report or
certification hereunder) that purports to disclaim liability for any report or
certification, or any portion thereof, have any force or effect to the extent
that such limitation on liability would not be given effect under the Securities
Act, the Exchange Act or the Regulations if a similar statement or legend were
made by or on behalf of the ABS Issuing Entity, the Master Servicer or the
Depositor in a report or certification filed with the SEC or otherwise pursuant
to the Regulations. The preceding statement shall not be construed to allow any
limitation on liability that is not otherwise contemplated under this Section.

            (f)   Reliance on Information. For purposes of its obligations under
this Section, the Primary Servicer shall be entitled to rely on the following
information to the extent that such information relates to mortgage loans that
are not serviced under this Agreement: (i) the final prospectus supplement
prepared by the Depositor with respect to the offering of the securities issued
by the ABS Issuing Entity and (ii) any reports delivered from time to time by
the Master Servicer, the master servicer for the ABS Issuing Entity (if such
party is not the Master Servicer), the trustee for the ABS Issuing Entity and/or
the paying agent, certificate administrator or other similar party for the ABS
Issuing Entity.

            (g)   Servicing Transfers. Notwithstanding any resignation, removal
or termination of the Primary Servicer, or any assignment of the obligations of
the Primary Servicer, pursuant to the other provisions of this Agreement, the
Primary Servicer shall remain obligated to comply from time to time with the
reporting and certification obligations that would have been applicable under
subsection (c) in the absence of such resignation, removal, termination or
assignment, but only to the extent related to the time period prior to the
effective date of such resignation, removal termination or assignment. Without
limiting the generality of the preceding statement, if the Primary Servicer
voluntarily assigns its obligations under this Agreement pursuant to the other
provisions of this Agreement (or with the consent of the Master Servicer), then
the successor Primary Servicer shall be obligated to cause the predecessor
Primary Servicer to perform the surviving reporting and certification
obligations set forth above and the failure to do so will constitute an "event
of default" on the part of the successor Primary Servicer.

            (h)   Acknowledgments. The parties acknowledge that the terms and
conditions of this Agreement may result in the commencement of one or more
reporting and/or certification obligations on a date that is subsequent to the
date of this Agreement. The parties acknowledge that the provisions of this
Section shall not be construed to require the Primary Servicer to sign any Form
8-K, Form 10-D or Form 10-K to be filed with respect to the ABS Issuing Entity
with the SEC (except to the extent, if any, that the Regulations require such
signature).

            (i)   Certain Determinations. Insofar as the determination of any
reporting or certification obligation hereunder depends on an interpretation of
the Securities Act, the Exchange Act or the Regulations, then, as between the
Primary Servicer on the one hand, and the Master Servicer on the other, the
determination of the Master Servicer, as set forth in a written notice to the
Primary Servicer, shall be conclusive and binding in the absence of manifest
error, and, for the purposes of this Agreement, the Primary Servicer shall be
entitled to rely on any such determination. If the Primary Servicer initiates
legal proceedings asserting an interpretation that differs from any such
determination of the Master Servicer, as set forth in a written notice to the
Primary Servicer, the Primary Servicer shall comply with


                                      -26-



such determination of the Master Servicer unless and until a final,
nonappealable judgment is rendered in connection with such proceedings, in which
case such final, nonappealable judgment shall control. If the Primary Servicer
receives notice of interpretations hereunder from the Master Servicer that
conflict with each other, the Primary Servicer shall promptly notify the Master
Servicer, in which case the Primary Servicer shall comply with the
interpretation described in the applicable written notice from the Master
Servicer.

            (j)   Specific Regulatory Determinations. Notwithstanding any
contrary provisions set forth in this Agreement, if the SEC or its staff issues
any order, no-action letter or staff interpretation that relates specifically to
asset-backed securities issuers or transactions established by the Applicable
Depositor and/or its affiliates or specifically to the applicable ABS Issuing
Entity, then, subject to the immediately succeeding sentence, the Primary
Servicer shall comply with such order, no-action letter or staff interpretation
insofar as such order, no-action letter or staff interpretation, or the
interpretations reflected therein, does or would (if implemented) affect the
reporting and certification obligations of the Primary Servicer hereunder. The
compliance obligation otherwise described in the preceding sentence shall not be
required unless there shall have been delivered to the Primary Servicer a notice
of such order, no-action letter or staff interpretation, which notice attaches a
copy of the applicable order, no-action letter or staff interpretation or
relevant excerpts thereof.

            (k)   [Reserved.]

            (l)   No Delegation. The Primary Servicer shall not delegate or
subcontract any of its duties under this Section 5.13 under any circumstances,
notwithstanding any provisions of this Agreement that otherwise authorizes the
Primary Servicer to delegate its obligations under this Agreement.

            (m)   Disclosure. The Primary Servicer hereby consents to the filing
with the SEC, and the unrestricted disclosure to the public, of this Agreement,
any amendment to this Agreement and any and all reports and certifications
delivered under this Agreement.

            (n)   Changes in Law. In the event that the Securities Act, the
Exchange Act or the Regulations are amended to impose additional or more
stringent reporting and/or certification obligations with respect to the ABS
Issuing Entity, which additional or more stringent reporting and/or
certification obligations are not otherwise effective pursuant to the other
provisions of this Agreement, the parties hereto shall negotiate in good faith
for an amendment to this Section 5.13 to result in compliance with such law or
regulation as so amended. In the event that the Securities Act, the Exchange Act
or the Regulations are amended to reduce reporting and/or certification
obligations with respect to the ABS Issuing Entity, the parties hereto shall
negotiate in good faith for an amendment to this Section 5.13 to result in
compliance with such law or regulation as so amended.

                                  ARTICLE VI.
                     PRIMARY SERVICER DEFAULT; TERMINATION;
                          POST-TERMINATION OBLIGATIONS

            SECTION 6.1 PRIMARY SERVICER DEFAULT Each of the following events
shall constitute a "Primary Servicer Default" hereunder:

                  (a)     any failure by the Primary Servicer to remit to the
      Master Servicer when due any amount required to be remitted under this
      Agreement; or


                                      -27-



                  (b)     except in the case of Section 6.1(c), any failure by
      the Primary Servicer duly to observe or perform in any material respect
      any of the covenants or agreements on the part of the Primary Servicer
      contained in this Agreement, which failure continues unremedied for a
      period of twenty-five (25) days after the date on which written notice of
      such failure, requiring the same to be remedied, shall have been given by
      the Master Servicer to Primary Servicer; provided, however, that to the
      extent the Master Servicer determines in its reasonable discretion that
      the Primary Servicer is in good faith attempting to remedy such failure
      and the Certificateholders and holders of any B Note shall not be
      materially and adversely affected thereby, such cure period may be
      extended to the extent necessary to permit the Primary Servicer to cure
      such failure; provided, however, that such cure period may not exceed
      sixty (60) days; and provided, further, that if such failure to observe or
      perform on the part of the Primary Servicer would result in an Event of
      Default (or an event that with notice or the passage of time would
      constitute such an Event of Default) by the Master Servicer under the
      Pooling and Servicing Agreement or applicable A/B Intercreditor Agreement,
      then the cure periods described in this Section 6.1(b) shall not apply; or

                  (c)     any breach of the representations and warranties made
      pursuant to Section 2.4 hereof or any failure by the Primary Servicer to
      comply with one or more provisions of Section 5.13 or clause (d) of
      Article VII; provided, however, that all of the following provisions shall
      apply:

                          (A)   to the extent the Master Servicer determines, in
            its reasonable discretion, following consultation with the
            Applicable Depositor, that the Primary Servicer is in good faith
            attempting to remedy such failure and no Certification Party will be
            materially and adversely affected by giving the Primary Servicer an
            opportunity to cure such failure, the Master Servicer may, following
            consultation with the Applicable Depositor, give the Primary
            Servicer such opportunity;

                          (B)   the period of time to cure such failure may not
            exceed three (3) days;

                          (C)   no such cure period shall apply if such failure
            to perform on the part of the Primary Servicer would result in
            either failure by the Master Servicer (or the master servicer in an
            Other Securitization) to submit to the Depositor (or another
            Applicable Depositor, as applicable), or failure by the Depositor
            (or another Applicable Depositor) to submit to the SEC, timely,
            complete and accurate reports of the type described in Article XI of
            the Pooling and Servicing Agreement;

                          (D)   unless the Master Servicer otherwise consents,
            the cure period described in this Section 6.1(c) shall end on the
            earlier of (I) the date on which the Master Servicer has delivered
            (or would be required to deliver) a report or certification to the
            Applicable Depositor or to the SEC, which report is or would be
            inaccurate, incomplete or unable to be rendered as a result of such
            failure of the Primary Servicer and (II) the date on which the
            Applicable Depositor has delivered (or would be required to deliver)
            a report or certification to the SEC, which report is or would be
            inaccurate, incomplete or unable to be rendered as a result of such
            failure of the Primary Servicer; and

                          (E)   if, following the Primary Servicer's failure to
            comply with any of its obligations under Section 5.13(c)(i),
            5.13(c)(ii), 5.13(c)(iii), 5.13(c)(iv)(A), 5.13(c)(iv)(B) or
            5.13(c)(iv)(C) hereof on or prior to the dates by which such
            obligations are to be performed pursuant to, and as set forth in,
            such Sections, (x) the Primary Servicer subsequently complies with
            such obligations before the Master Servicer gives


                                      -28-



            written notice to the Primary Servicer that it is terminated in
            accordance with this Section 6.1(c) and Section 6.2, (y) the Primary
            Servicer's failure to comply does not cause termination of the
            Master Servicer under Section 7.01 as a result of an Event of
            Default under Section 7.01(a)(vi) or Section 7.01(a)(xiv) of the
            Pooling and Servicing Agreement, (z) the Primary Servicer's failure
            to comply does not cause the Certificate Administrator to fail in
            its obligations to timely file the related Form 8-K, Form 10-D or
            Form 10-K, as the case may be, by the related 8-K Filing Deadline,
            10-D Filing Deadline or 10-K Filing Deadline, then such failure of
            the Primary Servicer to so comply shall cease to be a Primary
            Servicer Default under this Section 6.1(c) on the date on which such
            Form 8-K, Form 10-D or Form 10-K is so filed; or

                  (d)     any breach of the representations and warranties made
      pursuant to Section 2.4(a) hereof that materially and adversely affects
      the interest of the Master Servicer and that continues unremedied for a
      period of twenty-five (25) days after the date on which written notice of
      such breach, requiring the same to be remedied, shall have been given by
      the Master Servicer to Primary Servicer; provided, however, that to the
      extent the Master Servicer determines in its reasonable discretion that
      the Primary Servicer is in good faith attempting to remedy such breach and
      the Certificateholders and holders of any B Note shall not be materially
      and adversely affected thereby, such cure period may be extended to the
      extent necessary to permit the Primary Servicer to cure such breach;
      provided, however, that such cure period may not exceed sixty (60) days;
      and provided, further, that if such failure to perform on the part of the
      Primary Servicer results in an Event of Default (or an event that with
      notice or the passage of time would constitute such an Event of Default)
      by the Master Servicer under the Pooling and Servicing Agreement or
      applicable A/B Intercreditor Agreement, then the cure periods described in
      this Section 6.1(c) shall not apply; or

                  (e)     any Rating Agency shall qualify, lower or withdraw the
      outstanding rating of any Class of Certificates because the prospective
      financial condition or mortgage loan servicing capacity of the Primary
      Servicer is insufficient to maintain such rating; or

                  (f)     a decree or order of a court or agency or supervisory
      authority having jurisdiction in the premises in an involuntary case under
      any present or future federal or state bankruptcy, insolvency or similar
      law for the appointment of a conservator, receiver, liquidator, trustee or
      similar official in any bankruptcy, insolvency, readjustment of debt,
      marshalling of assets and liabilities or similar proceedings, or for the
      winding-up or liquidation of its affairs, shall have been entered against
      the Primary Servicer and such decree or order shall have remained in force
      undischarged or unstayed for a period of 60 days; or

                  (g)     the Primary Servicer shall consent to the
      appointment of a conservator, receiver, liquidator, trustee or similar
      official in any bankruptcy, insolvency, readjustment of debt, marshalling
      of assets and liabilities or similar proceedings or of or relating to all
      or substantially all of its property; or

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

                  (i)     any other event caused by the Primary Servicer which
      creates an Event of Default (or an event that with notice or the passage
      time would constitute or result in such an


                                      -29-



      Event of Default) of the Master Servicer under the Pooling and Servicing
      Agreement or under an A/B Intercreditor Agreement; or

                  (j)     if Primary Servicer becomes or serves as Master
      Servicer at any time, any failure by the Primary Servicer duly to observe
      or perform in any material respect any of the covenants or agreements of
      Master Servicer under the Pooling and Servicing Agreement or under an A/B
      Intercreditor Agreement, which failure continues unremedied beyond the
      expiration of applicable cure periods.

            Primary Servicer agrees to give prompt written notice to the Master
Servicer and the Depositor (and any other Applicable Depositor) upon the
occurrence of any Primary Servicer Default.

            SECTION 6.2 TERMINATION (a) The obligations and responsibilities of
the Primary Servicer as created hereby (other than as expressly provided herein)
shall terminate upon the earliest to occur of (i) the receipt by the Primary
Servicer of the Master Servicer's written notice of such termination delivered
at the Master Servicer's option following the occurrence of a Primary Servicer
Default other than as described in Section 6.1(c), (ii) the occurrence of a
Primary Servicer Default described in Section 6.1(c) and (iii) the later of the
final payment or other liquidation of (x) the last Mortgage Loan or (y) the A/B
Mortgage Loans (the "Primary Servicing Termination Date"). From and after the
Primary Servicing Termination Date, the Primary Servicer shall, if applicable,
continue to cooperate in the transfer of primary servicing, including the
delivery of files and transfer of accounts as contemplated hereby but shall have
no further obligations under this Agreement.

            Without limiting the foregoing, the Primary Servicer agrees that the
rights and duties of the Master Servicer under this Agreement, the Pooling and
Servicing Agreement and each A/B Intercreditor Agreement may be assumed by a
successor Master Servicer or the Trustee upon a termination of the Master
Servicer's servicing rights pursuant to the Pooling and Servicing Agreement.

            Primary Servicer's rights and obligations shall expressly survive a
termination of Master Servicer's servicing rights pursuant to the Pooling and
Servicing Agreement (except a termination of Master Servicer caused by a Primary
Servicer Default). In the event of such a termination, any successor Master
Servicer or the Trustee (if it assumes the servicing obligations of the Master
Servicer) shall be deemed to automatically have assumed and agreed to this
Agreement without further action upon becoming the successor Master Servicer.

            Upon the request of Primary Servicer, Master Servicer shall confirm
to Primary Servicer in writing that this Agreement remains in full force and
effect. Upon the request of Primary Servicer, the successor Master Servicer or
Trustee, as applicable, shall confirm to Primary Servicer in writing that this
Agreement remains in full force and effect. Upon the request of the successor
Master Servicer or Trustee, Primary Servicer shall confirm to the successor
Master Servicer or Trustee, as applicable, in writing that this Agreement
remains in full force and effect.

            (b)   The Master Servicer's reimbursement obligations to the Primary
Servicer hereunder shall survive the Primary Servicing Termination Date, but
only to the extent such reimbursement relates to a period prior to the
termination of all of the Primary Servicer's obligations hereunder.

            (c)   The rights of Master Servicer to terminate Primary Servicer
upon the occurrence of a Primary Servicer Default shall be in addition to any
other rights Master Servicer may have at law or in equity, including injunctive
relief or specific performance.


                                      -30-



            SECTION 6.3 POST-TERMINATION OBLIGATIONS (a) In the event of a
termination of primary servicing due to a Primary Servicer Default, the Primary
Servicer shall promptly deliver the Primary Servicer Servicing Documents as
directed by the Master Servicer and remit to the Master Servicer, by wire
transfer of immediately available funds, all cash held by the Primary Servicer
with respect to the related Mortgage Loans and A/B Mortgage Loans, and shall, if
so requested by the Master Servicer, assign to the Master Servicer or a
Successor Primary Servicer, as directed by the Master Servicer, and in such
event the Master Servicer shall assume, or cause the Successor Primary Servicer
to assume, all service contracts related to the Mortgage Loans and the A/B
Mortgage Loans transferred thereon but only to the extent such contracts are
assignable and the required consents (if any) to such assignments have been
obtained. The Primary Servicer shall use all reasonable efforts to obtain the
consents required to effect such assignments.

            (b)   On and after the Primary Servicing Termination Date, the
Primary Servicer shall promptly endorse and send to the Master Servicer via
overnight mail or delivery service any checks or other funds in respect of any
Mortgage Loan and any A/B Mortgage Loan which are received by the Primary
Servicer.

            (c)   The Primary Servicer shall provide to the Master Servicer
promptly (but in no event later than ten (10) Business Days) after the Primary
Servicing Termination Date the following information, in each case as of such
date: (a) a ledger accounting itemizing the dates and amounts of all payments
made, received or applied by the Primary Servicer with regard to each Mortgage
Loan and each A/B Mortgage Loan, further itemizing principal and interest
payments, tax payments, special assessments, hazard insurance, mortgage
insurance premiums, ground rents, if any, and all other payments and (b) a
current trial balance for each such Mortgage Loan and A/B Mortgage Loan.

            (d)   On a date to be agreed upon by the Primary Servicer and the
Master Servicer, but not later than the Business Day following the Primary
Servicing Termination Date, the Primary Servicer shall commence and continue
diligently to completion at its own expense, to notify Mortgagors under the
related Mortgage Loans and A/B Mortgage Loans of the address to which payments
on such Mortgage Loans and A/B Mortgage Loans should be sent after the Primary
Servicing Termination Date; provided, however, that in any event, Primary
Servicer shall be obligated to notify Mortgagors within seven (7) Business Days
of the Primary Servicing Termination Date.

            (e)   The Primary Servicer shall promptly forward to the Master
Servicer, at the Primary Servicer's expense all Mortgagor correspondence,
insurance notices, tax bills or any other correspondence or documentation
related to any Mortgage Loan and any A/B Mortgage Loan which is received by the
Primary Servicer after the Primary Servicing Termination Date.

            (f)   The Primary Servicer shall otherwise cooperate in the orderly
transfer of the servicing of the Mortgage Loans and A/B Mortgage Loans and shall
forward to the Master Servicer and any Successor Primary Servicer such documents
as it may receive from time to time regarding any Mortgage Loan or A/B Mortgage
Loan transferred and provide such other assistance as may reasonably be required
by the Master Servicer or any Successor Primary Servicer regarding such
transfer.

            (g)   The Primary Servicer shall be entitled to all fees,
compensation, interest and earnings on the Mortgage Loans and A/B Mortgage Loans
accrued through the date of termination of its obligations and rights under this
Agreement; provided, however, Primary Servicer shall continue to collect the
Excess Servicing Fee after termination in accordance with the terms of this
Agreement and the Pooling and Servicing Agreement.


                                      -31-



            SECTION 6.4 ADDITIONAL TERMINATION Notwithstanding any provision
herein to the contrary, this Agreement shall terminate with respect to any
individual Mortgage Loan or A/B Mortgage Loan (i) if and when such Mortgage Loan
or A/B Mortgage Loan becomes a Specially Serviced Mortgage Loan or an REO
Mortgage Loan or (ii) if and when such Mortgage Loan or A/B Mortgage Loan is
sold or otherwise disposed of by or on behalf of the Trust (which sale or
disposition shall not include the transformation of a Mortgage Loan or A/B
Mortgage Loan into a Defeasance Loan). In the event of such termination, the
Primary Servicer shall comply with Section 6.3 as if a Primary Servicer Default
had occurred, except that such Section shall be construed to relate only to such
Mortgage Loan or A/B Mortgage Loan and references therein to Primary Servicing
Termination Date shall be construed to mean the date of such termination, and
(ii) the Primary Servicer shall cooperate in the orderly transfer of the
servicing of such Mortgage Loan or A/B Mortgage Loan and shall forward to the
Master Servicer such documents as it may receive from time to time with respect
thereto and provide such other assistance as may reasonably be required by the
Master Servicer with respect thereto. Primary Servicer shall be entitled to all
fees, compensation, interest and earnings on such Mortgage Loan or A/B Mortgage
Loan accrued through the date of termination of its obligations and rights with
respect to such Mortgage Loan or A/B Mortgage Loan under this Agreement;
provided, however, Primary Servicer shall continue to collect the Excess
Servicing Fee after termination in accordance with the terms of this Agreement
and the Pooling and Servicing Agreement. If such Mortgage Loan or A/B Mortgage
Loan subsequently becomes a Corrected Mortgage Loan, then the Primary Servicer
shall promptly resume the servicing of such Mortgage Loan or A/B Mortgage Loan
in accordance with the terms hereof.

                                  ARTICLE VII.
                                 SUBCONTRACTORS

            Upon prior notice to but without the consent of Master Servicer in
the case of material subcontracts and without prior notice to or the prior
written consent of the Master Servicer in the case of non-material subcontracts,
the Primary Servicer shall be permitted to employ, at its own expense,
subcontractors to perform the Services for the Mortgage Loans and A/B Mortgage
Loans; provided, however, that (a) the Primary Servicer shall remain fully
liable at all times for the performance of all Services and for all other
obligations hereunder; (b) in no event shall any such subcontractors make any of
the decisions, be given discretion to make any decisions, or have any authority
to make any decisions, required as part of a Category 1 Request or Category 2
Request or any decision or recommendation involving the exercise of the Primary
Servicer's discretion as a "lender" under any of the Loan Documents for the
Mortgage Loans and the A/B Mortgage Loans; (c) the Primary Servicer shall
maintain and perform policies and procedures to monitor such subcontractors'
performance of the services for which they are employed; and (d)(i) the Primary
Servicer shall not, for so long as any ABS Issuing Entity is subject to the
reporting requirements of the Exchange Act, engage any "Subcontractor" (as
defined in the Pooling and Servicing Agreement) after the Closing Date without
the Master Servicer's and the Depositor's prior written consent, which, in
either case, shall not be unreasonably withheld and (ii) the Primary Servicer
shall, with respect to each such Subcontractor with which it has entered into a
servicing relationship with respect to the Mortgage Loans after the Closing
Date, (A) include in a written agreement between the Primary Servicer and such
Subcontractor provisions analogous to those of Section 5.13 hereof, Section
6.1(c) hereof, Section 2.4 hereof, this clause (d) of this Article VII, the last
sentence of Section 10.11 hereof, the last sentence of Section 10.13 hereof and
penultimate sentence of Section 11.14 of the Pooling and Servicing Agreement and
(B) use reasonable efforts to cause such Subcontractor to comply with the report
delivery, indemnification and contribution obligations set forth in such
analogous provisions.


                                      -32-



                                  ARTICLE VIII.
            PRIMARY SERVICER TO HOLD PROPERTY FOR THE MASTER SERVICER

            All records relating to the Mortgage Loans and the A/B Mortgage
Loans held by the Primary Servicer, including but not limited to the Primary
Servicer Servicing Documents, mortgage servicing documents, books, computer
tapes and other documents and records (except for microfilm records) as well as
any reproductions or copies of such records furnished for the purposes of
performing Services from the Cut-off Date are, and shall continue at all times
to be, held by the Primary Servicer for the benefit of the Master Servicer and
for the Trustee and shall not be released, disseminated or otherwise made
available to third parties without the prior written consent of the Master
Servicer.

                                   ARTICLE IX.
                                 INDEMNIFICATION

            SECTION 9.1 PRIMARY SERVICER'S INDEMNITY (a) The Primary Servicer
shall indemnify the Master Servicer, its officers, employees and agents against,
and hold the Master Servicer harmless from, any and all losses, liabilities,
expenses, claims, demands, costs, or judgment of any type against the Master
Servicer arising out of or related to (i) a negligent or willful failure of the
Primary Servicer or any Person hired by the Primary Servicer to perform properly
any of the Services to be performed by the Primary Servicer pursuant to the
Payment and Collection Description, the Payment and Mortgage Loan Status
Reports, Post Closing Matters Description and Task Description, (ii) any failure
by the Primary Servicer to perform its obligations under this Agreement, or
(iii) breach of any of the Primary Servicer's representations and warranties
hereunder; provided, however, that the Primary Servicer shall not be required to
indemnify the Master Servicer, its officers, employees or agents against or hold
the Master Servicer, its officers, employees or agents harmless from any losses
to the extent that such loss is caused by the actions of the Master Servicer,
its officers, employees or agents in violation of the Master Servicer's duties
under this Agreement, under the Pooling and Servicing Agreement or under an A/B
Intercreditor Agreement (except to the extent that such failure was caused by
the Primary Servicer's failure to perform its obligations hereunder). The
indemnification provided under this Section 9.1 shall survive the Primary
Servicing Termination Date. The Master Servicer shall promptly notify the
Primary Servicer if a claim is made by a third party with respect to this
Agreement or the Mortgage Loans or the A/B Mortgage Loans entitling the Master
Servicer to indemnification hereunder. The Primary Servicer shall assume the
defense of any such claim (with counsel reasonably satisfactory to the Master
Servicer) and pay all expenses in connection therewith, including counsel fees,
and promptly pay, discharge and satisfy any judgment or decree which may be
entered against it or them in respect of such claim. Any failure to so notify
the Primary Servicer shall not affect any of the Master Servicer's rights to
indemnification.

            (b)   Neither the Primary Servicer nor any of the directors,
officers, employees or agents of the Primary Servicer shall be under any
liability to the Master Servicer, the holders of the Certificates, any holder of
a B Note, the Depositor, the Trustee or any other Person for any action taken or
for refraining from the taking of any action in good faith and using its
reasonable business judgment pursuant to this Agreement, or for errors in
judgment; provided that this provision shall not protect the Primary Servicer or
any such person against any breach of a covenant, representation or warranty
contained herein or any liability which would otherwise be imposed by reason of
willful misfeasance, bad faith or negligence in its performance of duties or by
reason of reckless disregard for its obligations and duties under this
Agreement. The Primary Servicer and any director, officer, employee or agent of
the Primary Servicer may rely in good faith on any document of any kind prima
facie properly executed and submitted by any Person respecting any matters
arising hereunder.


                                      -33-



            SECTION 9.2 MASTER SERVICER'S INDEMNITY The Master Servicer shall
indemnify the Primary Servicer, its officers, employees and agents against, and
hold the Primary Servicer harmless from, any and all losses, liabilities,
expenses, claims, demands, costs, or judgment of any type against the Primary
Servicer, to the extent arising out of, or related to reliance by the Primary
Servicer on, (i) pursuant to Section 5.13(i), an interpretation of the
Securities Act, the Exchange Act or the Regulations set forth in a written
notice from the Master Servicer to the Primary Servicer or (ii) any incorrect
asset pool balance supplied by the Master Servicer with respect to the PWR17
Trust, if such incorrect balance is the cause of any incorrect determination by
the Primary Servicer that an obligor on a Mortgage Loan is not a Significant
Obligor. The indemnification provided under this Section 9.2 shall survive the
Primary Servicing Termination Date.

                                   ARTICLE X.
                                  MISCELLANEOUS

            SECTION 10.1 SEVERABILITY If any term, covenant, condition or
provision hereof is unlawful, invalid, or unenforceable for any reasons
whatsoever, and such illegality, invalidity, or unenforceability does not affect
remaining part of this Agreement, then all such remaining parts hereof shall be
valid and enforceable and have full force and effect as if the invalid or
unenforceable part had not been included.

            SECTION 10.2 RIGHTS CUMULATIVE; WAIVERS The rights of each of the
parties under this Agreement are cumulative and may be exercised as often as any
party considers appropriate. The rights of each of the parties hereunder shall
not be capable of being waived or amended other than by an express waiver or
amendment in writing. Any failure to exercise (or any delay in exercising) any
of such rights shall not operate as a waiver or amendment of that or any other
such right. Any defective or partial exercise of any of such right shall not
preclude any other or further exercise of that or any other such right. No act
or course of conduct or negotiation on the part of any party shall in any way
stop or preclude such party from exercising any such right or constitute a
suspension or any waiver of any such right.

            SECTION 10.3 HEADINGS The headings of the Sections and Articles
contained in this Agreement are inserted for convenience only and shall not
affect the meaning or interpretation of this Agreement or any provision hereof.

            SECTION 10.4 CONSTRUCTION Unless the context otherwise requires,
singular nouns and pronouns, when used herein, shall be deemed to include the
plural of such noun or pronoun and pronouns of one gender shall be deemed to
include the equivalent pronoun of the other gender. This Agreement is the result
of arm's-length negotiations between the parties and has been reviewed by each
party hereto and its counsel. Each party agrees that any ambiguity in this
Agreement shall not be interpreted against the party drafting the particular
clause which is in question.

            SECTION 10.5 ASSIGNMENT (a) This Agreement and the terms, covenants,
conditions, provisions, obligations, undertakings, rights and benefits hereof,
shall be binding upon, and shall inure to the benefit of, the undersigned
parties and their respective permitted successors and assigns. This Agreement
and the rights and benefits hereunder of the Primary Servicer shall not be
assignable, and the duties and obligations hereunder of such party shall not be
delegable, except that in the following instances, Primary Servicer may assign,
sell or transfer its rights under this Agreement without the consent of (but
upon written notice to) the Master Servicer:

                  (i)     Primary Servicer may assign, sell or transfer its
      rights and obligations under this Agreement (in whole and not in part) to
      a parent company of Primary Servicer or a


                                      -34-



      wholly-owned subsidiary or Affiliate of such party, or a successor by
      merger or as the result of a demutualization of a parent company of
      Primary Servicer, as long as such successor has net assets and net worth
      equal to or greater than the net assets and net worth of the Primary
      Servicer.

                  (ii)    Primary Servicer may assign, sell or transfer its
      rights and obligations under this Agreement (in whole and not in part) to
      an entity that then serves as a primary servicer for other mortgage loans
      held by the Trust at the time of such assignment, sale or transfer.

                  (iii)   With the prior written consent of the Master Servicer
      and the Depositor which consent shall not be unreasonably withheld or
      delayed, Primary Servicer may assign, sell or transfer its rights and
      obligations under this Agreement (in whole and not in part) to any master
      or primary servicer, if (1) such entity is either (a) rated by the Rating
      Agencies as satisfactory or its equivalent in such capacity or (b)
      approved by the Special Servicer and Operating Advisor (in addition to
      Master Servicer as provided above), which approval shall not be
      unreasonably withheld or delayed, and (2) Primary Servicer at its sole
      cost receives Rating Agency Confirmation from the Rating Agencies prior to
      such assignment, sale or transfer.

                  (iv)    Primary Servicer may subcontract certain of its rights
      and obligations under this Agreement as expressly provided in and subject
      to the terms of Article VII of this Agreement.

            Any such assignment under this Section 10.5(a) shall (i) not be
effective until such Successor Primary Servicer enters into a written agreement
reasonably satisfactory to the Master Servicer and the Depositor agreeing to be
bound by the terms and provisions of this Agreement (but not altering the
obligations under this Agreement); and (ii) not relieve the assigning Primary
Servicer of any duties or liabilities arising or incurred prior to such
assignment. Any costs or expenses incurred in connection with such assignment
shall be payable by the assigning Primary Servicer. Any assignment or delegation
or attempted assignment or delegation in contravention of this Agreement shall
be null and void. The proceeds of any assignment, sale or transfer permitted
under this Section 10.5 or to which consent was granted shall belong solely to
the assignor of such rights, and Master Servicer shall have no claim to them.

            (b)   Resignation of Primary Servicer. Except as otherwise provided
in Section 10.6(b) hereof, the Primary Servicer shall not resign from the
obligations and duties hereby imposed on it unless it determines that the
Primary Servicer's duties hereunder are no longer permissible under applicable
law or are in material conflict by reason of applicable law with any other
activities carried on by it. Any such determination permitting the resignation
of the Primary Servicer shall be evidenced by an Opinion of Counsel to such
effect delivered to the Master Servicer. No such resignation shall become
effective until a successor servicer designated by the Master Servicer shall
have assumed the Primary Servicer's responsibilities and obligations under this
Agreement, and Special Servicer and Operating Advisor shall have consented to
such successor servicer which consent shall not be unreasonably withheld or
delayed; provided that the designation and assumption by Master Servicer of
Primary Servicer's responsibilities and obligations under this Agreement
pursuant to this Section 10.6(a) shall not require the consent of Special
Servicer or Operating Advisor.

            (c)   The Primary Servicer may resign from the obligations and
duties imposed on it, upon 60 days' notice to the Master Servicer, provided that
(i) the Primary Servicer bears all costs associated with its resignation and the
transfer of servicing; (ii) Primary Servicer designates a successor servicer to
assume Primary Servicer's responsibilities and obligations under this Agreement;
(iii) Master Servicer, Special Servicer and Operating Advisor shall consent to
such successor servicer which consent shall not be unreasonably withheld or
delayed; and (iv) such successor servicer assumes Primary Servicer's
responsibilities and obligations under this Agreement; provided, however, that
the designation and


                                      -35-



assumption by Master Servicer of Primary Servicer's responsibilities and
obligations under this Agreement pursuant to this Section 10.6(b) shall not
require the consent of Special Servicer or Operating Advisor.

            (d)   In connection with any resignation under subsections (a) or
(b) above, the Primary Servicer shall comply with Section 6.3 as if a Primary
Servicer Default occurred, except that reference in such Section to Primary
Servicing Termination Date shall be construed to mean the date of resignation
under subsections (a) or (b) above, as the case may be.

            SECTION 10.6 PRIOR UNDERSTANDINGS This Agreement supersedes any and
all prior discussions and agreements between or among the Seller, the Primary
Servicer and the Master Servicer with respect to the Servicing of the Mortgage
Loans and the A/B Mortgage Loans and the other matters contained herein. This
Agreement, together with the Pooling and Servicing Agreement and each A/B
Intercreditor Agreement, contain the sole and entire understanding between the
parties hereto with respect to the transactions contemplated herein. Every
effort shall be made to construe this Agreement, the Pooling and Servicing
Agreement and each A/B Intercreditor Agreement consistently. If a conflict
exists between such agreements, then the Pooling and Servicing Agreement and
with respect to an A/B Mortgage Loan, the applicable A/B Intercreditor Agreement
shall control. If this Agreement requires Primary Servicer to perform a task or
duty, the details and obligations of which are (a) set forth in this Agreement
and (b)(i) are not set forth in the Pooling and Servicing Agreement or with
respect to an A/B Mortgage Loan, the applicable A/B Intercreditor Agreement,
(ii) are set forth in the Pooling and Servicing Agreement and with respect to an
A/B Mortgage Loan, the applicable A/B Intercreditor Agreement only in general
terms, then Primary Servicer shall perform such task and duties in accordance
with the details and obligations set forth in this Agreement. If this Agreement
requires Primary Servicer to perform a task or duty, the details and obligations
of which are not set forth in this Agreement but are contained in the Pooling
and Servicing Agreement and with respect to an A/B Mortgage Loan, the applicable
A/B Intercreditor Agreement, then the Primary Servicer shall perform such task
and duties in accordance with the Pooling and Servicing Agreement.

            SECTION 10.7 INTEGRATED AGREEMENT This Agreement constitutes the
final complete expression of the intent and understanding of the Primary
Servicer and the Master Servicer and may not be altered or modified except by a
subsequent writing, signed by the Primary Servicer and the Master Servicer.

            SECTION 10.8 COUNTERPARTS This Agreement may be executed in any
number of counterparts, each of which shall constitute one and the same
instrument. Any party hereto may execute this Agreement by signing any such
counterpart.

            SECTION 10.9 GOVERNING LAWS This Agreement shall be governed by and
construed in accordance with the laws of the State of New York without regard to
conflicts of law principles, and the obligations, rights and remedies of the
parties hereunder shall be determined in accordance with such laws.

            SECTION 10.10 NOTICES Unless otherwise provided for herein, all
notices and other communications required or permitted hereunder shall be in
writing (including a writing delivered by facsimile transmission) and shall be
deemed to have been duly given (a) when delivered, if sent by registered or
certified mail (return receipt requested), if delivered personally or by
facsimile or (b) on the second following Business Day, if sent by overnight mail
or overnight courier, in each case to the parties at the following addresses (or
at such other addresses as shall be specified by like notice);


                                      -36-



            If to the Master Servicer:       As set forth in Section 12.05 of
                                             the Pooling and Servicing Agreement

            If to the Primary Servicer:      Principal Global Investors, LLC
                                             801 Grand Avenue
                                             Des Moines, IA 50392-0700
                                             Attention: Steve Johnson, Managing
                                             Director
                                             Telephone No.: (515) 246-7095
                                             Facsimile No.: (515) 248-8090

            SECTION 10.11 AMENDMENT In the event that the Pooling and Servicing
Agreement or an A/B Intercreditor Agreement is amended, this Agreement shall be
deemed to have been amended and to the extent necessary to reflect such
amendment to the Pooling and Servicing Agreement or such A/B Intercreditor
Agreement, but no such amendment to the Pooling and Servicing Agreement or A/B
Intercreditor Agreement or deemed amendment to this Agreement shall increase the
obligations or decrease the rights of Primary Servicer under this Agreement
without its express written consent which consent shall not be unreasonably
withheld or delayed. For so long as any ABS Issuing Entity is subject to the
reporting requirements of the Exchange Act, the parties hereto may not amend or
modify any provision of Section 5.13, Section 6.1(c), Section 2.4(b), clause (d)
of Article VII, the last sentence of Section 10.13, or this sentence without the
Depositor's prior written consent.

            Notwithstanding anything to the contrary contained in this Section
10.11, the parties hereto agree that this Agreement may be amended pursuant to
Section 5.11 herein without any notice to or consent of any of the
Certificateholders, any B Note holder, Opinions of Counsel, Officer's
Certificates or Rating Agency Confirmation.

            SECTION 10.12 OTHER This Agreement shall not be construed to grant
to any party hereto any claim, right or interest in, to or against the trust
fund created pursuant to the Pooling and Servicing Agreement or any assets of
such trust fund.

            SECTION 10.13 BENEFITS OF AGREEMENT Nothing in this Agreement,
express or implied, shall be construed to grant to any Mortgagor or other
Person, other than the parties to this Agreement and the parties to the Pooling
and Servicing Agreement, any benefit or any legal or equitable right, power,
remedy or claim under this Agreement, except that the Depositor, any other
Applicable Depositor and any master servicer for an ABS Issuing Entity other
than the PWR17 Trust are intended third-party beneficiaries of Section 5.13.

                                  [END OF PAGE]


                                      -37-



            IN WITNESS WHEREOF, this Agreement has been signed on behalf of each
of the parties hereto by an authorized representative, all as of the day and
year first above written.

                                        WELLS FARGO BANK, NATIONAL ASSOCIATION,
                                        acting solely in its capacity as Master
                                        Servicer under the Pooling and Servicing
                                        Agreement


                                        By: /s/ Kristian J. F. Bornemann
                                           -------------------------------------
                                        Name: Kristian J. F. Bornemann
                                        Title: Vice President

                                        PRINCIPAL GLOBAL INVESTORS, LLC


                                        By: /s/ Leanne M. Valentine
                                           -------------------------------------
                                        Name: Leanne M. Valentine
                                        Title: Vice President and Associate
                                               General Counsel


                                        By: /s/ Karen A. Pearston
                                           -------------------------------------
                                        Name: Karen A. Pearston
                                        Title: Assistant General Counsel




                                   SCHEDULE I
                             MORTGAGE LOAN SCHEDULES

                                                       PRIMARY
  LOAN                                              SERVICING FEE   CUT-OFF DATE
POOL NO.                 LOAN NAME                    RATE (BP)       BALANCE
--------   --------------------------------------   -------------   ------------
   2       Bank of America Center                       1.000       $232,000,000
   6       346 Madison Ave                              1.000       $100,000,000
   12      Graceland Shopping Center                    1.000        $32,500,000
   18      Hilton Garden Inn - Cupertino                1.000        $25,000,000
   19      Broadway Center                              1.000        $24,600,000
   22      One Silverline Drive                         1.000        $23,500,000
   26      Space Center Storage Portfolio               1.000        $22,658,428
   28      Promenade Shopping Center                    1.000        $21,500,000
   35      165-175 Main Street                          1.000        $19,100,000
   36      347 West 36th Street                         1.000        $19,000,000
   48      Parkwood Apartments                          1.000        $14,500,000
   52      One Boulder Plaza Phase V                    1.000        $13,800,000
   67      46360 Fremont Boulevard                      1.000        $11,400,000
   73      Radisson Chicago O'Hare Airport              1.000        $10,600,000
   81      The Summit at Los Feliz Apartments           1.000        $10,100,000
   85      Kent Business Center                         1.000         $9,975,000
   87      2400 Grand Avenue                            1.000         $9,287,156
   92      Ridgeview Portfolio                          1.000         $8,840,589
  102      Fieldstone Plaza                             1.000         $8,200,000
  109      5511 Skylab Road                             1.000         $7,636,540
  131      Courtyards at Fairview                       1.000         $6,100,000
  137      Canoga Courtyard Apartments                  1.000         $5,900,000
  141      705 South Weller Apartments                  1.000         $5,800,000
  154      Wallkill Medical Arts Commons                1.000         $5,190,662
  172      161 East Evelyn Avenue                       1.000         $4,200,000
  203      350 Sentry Parkway                           1.000         $3,194,944
  205      Bunsen Celsius I Portfolio                   1.000         $3,171,347
  208      110 Melrich                                  1.000         $3,000,000
  212      803 Gleneagles Court                         1.000         $2,995,209
  215      724 First Street North Office Building       1.000         $2,967,893
  223      Southside Landing                            1.000         $2,770,303
  255      California Street Apartments                 1.000         $1,548,752
  258      21 Cortes Street                             1.000         $1,199,016
  260      2915 Pine Ridge Road                         1.000         $1,100,000




                                   SCHEDULE II
                                   [RESERVED]




                                    EXHIBIT A
                         POOLING AND SERVICING AGREEMENT

See copy of signed Pooling and Servicing Agreement delivered under separate
cover.




                                    EXHIBIT B

Exhibit B-1: Payment and Mortgage Loan Status Reports
Exhibit B-2: Overview of Methodology of Allocation of Responsibility on Post
             Closing Requests
Exhibit B-3: Form of Property Inspection Reports
Exhibit B-4: Task Description




                                   EXHIBIT B-1
                    PAYMENT AND MORTGAGE LOAN STATUS REPORTS

Exhibit B-1(a):     Remittance report for payments received on Mortgage Loans
                    during the applicable Collection Period

Exhibit B-1(b):     Delinquency report

Exhibit B-1(c):     Real estate tax delinquency report

Exhibit B-1(d):     Insurance monitoring report

Exhibit B-1(e):     UCC form monitoring report

Exhibit B-1(f):     Day One Report




                                   EXHIBIT B-2
OVERVIEW OF METHODOLOGY OF ALLOCATION OF RESPONSIBILITY ON POST CLOSING REQUESTS

Exhibit B-2(a):     Overview of Methodology of Allocation of Responsibility on
                    Post Closing Requests
Exhibit B-2(b):     Chart Showing Classification of Post Closing Requests
Exhibit B-2(c):     Process for Handling Post Closing Requests Upon
                    Classification




                                 EXHIBIT B-2(a)
OVERVIEW OF METHODOLOGY OF ALLOCATION OF RESPONSIBILITY ON POST CLOSING REQUESTS

            When Primary Servicer receives a request from a Mortgagor or other
obligor under the Mortgage Loan or A/B Mortgage Loan, as applicable, for action
("Post Closing Request") on its related Mortgage Loan or A/B Mortgage Loan,
Primary Servicer shall classify each Post Closing Request into one of the
following three (3) categories:

      o     Post Closing Requests over which Primary Servicer shall have
            decision making authority to analyze, consent to, approve and
            process such requests, subject to consent rights in certain
            circumstances set forth in Exhibit B-2(c) below and, where
            applicable, Deemed Category 1 Requests ("Category 1 Requests");

      o     Post Closing Requests in which Primary Servicer shall gather
            information from Mortgagor and shall deliver such information
            together with a written analysis and recommendation for the consent
            and approval of such requests to the Master Servicer or Special
            Servicer, as applicable; other than Deemed Category 1 Requests
            ("Category 2 Requests"); and

      o     Post Closing Requests in which Primary Servicer will have no
            involvement but will refer the request to the Special Servicer
            ("Category 3 Requests").

            The attached chart details how a Post Closing Request will be
classified into one of the three (3) categories specified above and the
materials that follow detail how each Post Closing Request will be handled after
classification.

            The objective is to process each Post Closing Request in accordance
with the Servicing Standard, the terms of this Agreement, the Pooling and
Servicing Agreement and with respect to any A/B Mortgage Loan, its applicable
A/B Intercreditor Agreement, the REMIC Provisions, while providing responsive
service to Mortgagors.

            The attached chart does not address Payment and Collection
Description, Payment and Collection Reporting or Property Inspection
Description, which is covered elsewhere in this Agreement.






                                                       EXHIBIT B-2(b)
                                   CHART SHOWING CLASSIFICATION OF POST CLOSING REQUESTS

----------------------------------------------------------------------------------------------------------------------------
      Category               When Applicable                       Examples                        Allocation of Fees
----------------------------------------------------------------------------------------------------------------------------

1     Category 1       Post Closing Request is       Transfer rights contemplated in Loan   Primary Servicer collects entire
Requests (other than   either (a) specifically       Documents (including without           administrative or processing fee
Deemed Category 1      authorized in the related     limitation assignment and assumption   (including without limitation
Requests)              Loan Documents (as defined    rights); partial releases              defeasance fees), legal fees and
                       in Exhibit B-2(c)(A.1(b)),    contemplated in Loan Documents;        out-of-pocket expenses and 80%
                       either expressly as a         easements contemplated in Loan         of any additional fees or
                       matter of right in favor of   Documents; evaluation of alterations   portions of fees (including
                       the Mortgagor or upon the     under specified threshold;             without limitation transfer
                       satisfaction of certain       administer, monitor and release of     fees) payable to Master Servicer
                       specified conditions          reserve or escrow amounts in           under Pooling and Servicing
                       (including the exercise of    accordance with reserve or escrow      Agreement (i.e. transfer fee).
                       any specified standard of     agreements; approval of leases below   Other 20% of such additional
                       consent or judgment within    threshold specified in Loan            fees are payable to Master
                       such conditions subject to    Documents; additional lien, monetary   Servicer. Special Servicer
                       the terms of  this            encumbrance or mezzanine financing     would receive any portion of
                       Agreement); or (b) seeks      placed on Mortgaged Property that is   fees due it under the Pooling
                       the approval of the related   specifically contemplated in Loan      and Servicing Agreement. Master
                       Mortgagee under the related   Documents under specified              Servicer may also collect its
                       Loan Documents for a Lease    conditions; or process of defeasing    out-of-pocket expenses which it
                       and/or the issuance of an     a Mortgage Loan (except defeasance     shall itemize in reasonable
                       SNDA for a Lease.             of a Specially Serviced Mortgage       detail.(1)
                                                     Loans which shall not be the
                                                     responsibility of the Primary
                                                     Servicer) and servicing of Mortgage
                                                     Loans and A/B Mortgage Loans that
                                                     have been defeased; approval of a
                                                     Lease requiring such approval of
                                                     Mortgagee under the Loan Documents;
                                                     or issuance of an SNDA.
----------------------------------------------------------------------------------------------------------------------------
2     Category 2       Post Closing Request (other   Consent to easement not contemplated   For all Mortgage Loans, other
Requests for all       than Category 3 Request) is   in Loan Documents; partial releases    than A/B Mortgage Loans:
Mortgage Loans         (a) not specifically          not specifically contemplated in       Primary Servicer entitled to one
(other than A/B        authorized or is prohibited   Loan Documents; or subordinate or      hundred percent (100%) of
Mortgage Loans) and    or not addressed in the       mezzanine financing not specifically   administrative or processing
Deemed Category 1      Loan Documents; and (b) not   contemplated in Loan Documents.        fee. Additional fees are
Requests               seeking approval of a Lease                                          payable to Master Servicer
                       requiring such approval of                                           and/or Special Servicer as
                       Mortgagee under the related                                          specified in Pooling and
                       Loan Documents or issuance                                           Servicing Agreement. Master
                       of an SNDA.                                                          Servicer may also collect its
                                                                                            out-of-pocket expenses.(1)

                                                                                            For all A/B Mortgage Loans: Same
                                                                                            allocation of fees as Category 1
                                                                                            Requests.


__________________________
(1)   No reference is made in this chart to the Aggregate Servicing Fee which
      shall be collected and governed in accordance with the terms of Sections
      2.1, 2.3, 6.3 and 6.4 of this Agreement.






----------------------------------------------------------------------------------------------------------------------------
      Category               When Applicable                       Examples                        Allocation of Fees
----------------------------------------------------------------------------------------------------------------------------

3     Category 3       Post Closing Requests to      Changes to maturity date, interest     Primary Servicer not entitled to
Requests               Money Terms, Defaulted        rate, principal balance,               fee. Master Servicer or Special
                       Mortgage Loans or Mortgage    amortization term, payment amount or   Servicer is entitled to fees  as
                       Loans upon which a            frequency; or any actions to loan      provided in the Pooling and
                       Servicing Transfer Event      in default.                            Servicing Agreement.(1)
                       has occurred.
----------------------------------------------------------------------------------------------------------------------------





                                 EXHIBIT B-2(c)
         PROCESS FOR HANDLING POST CLOSING REQUESTS UPON CLASSIFICATION

A.    Process for disposition of Post Closing Requests Once Classification is
Made. Upon classification of a Post Closing Request into one of the three (3)
categories enumerated above, Primary Servicer shall process the Post Closing
Request as follows:

      1.    Category 1 Requests and Deemed Category 1 Requests:

            a)    If Primary Servicer classifies a Post Closing Request as a
Category 1 Request or Deemed Category 1 Request, it shall promptly (but in no
event more than five (5) Business Days after receiving such request) notify
Master Servicer of (a) such request; (b) Primary Servicer's classification of
the Post Closing Request as a Category 1 Request or Deemed Category 1 Request;
and (c) Primary Servicer's Materiality Determination regarding any Category 1
Consent Aspect involved in such request. Notwithstanding the foregoing, as a
result of the quarterly reconciliation of reserve accounts that Primary Servicer
provides to Master Servicer under this Agreement, Primary Servicer shall have no
obligation (a) to notify or seek the consent of Master Servicer or Special
Servicer (as applicable) of any disbursement made from an escrow or reserve
account pursuant to and in accordance with the terms of such agreement governing
such reserve or escrow or (b) to seek consent of Master Servicer to extend (1)
the time available to a Mortgagor to complete repairs, replacements or
improvements pursuant to an escrow or reserve agreement or (2) the expiration
date of any letters of credit associated with such escrow or reserve, as long as
(i) Primary Servicer promptly notifies Master Servicer in writing of such
extension; (ii) the amount being held pursuant to the applicable escrow or
reserve agreement at the time of the proposed extension is less than
$1,000,000.00; (iii) the length of such extension when added to all other
extensions granted after the Closing Date does not exceed one hundred eighty
(180) days; and (iv) any such extension is in accordance with the terms of this
Agreement (including without limitation the Servicing Standard) and the Pooling
and Servicing Agreement and with respect to an A/B Mortgage Loan, the applicable
A/B Intercreditor Agreement.

            b)    Primary Servicer shall evaluate the Category 1 Request or
Deemed Category 1 Request and process such request to meet the requirements set
forth in the loan documents for the applicable Mortgage Loan ("Loan Documents")
in a manner that complies with the terms of this Agreement and the Pooling and
Servicing Agreement and with respect to an A/B Mortgage Loan, the applicable A/B
Intercreditor Agreement. Such evaluation and processing may commence, and
continue but may not be completed prior to Primary Servicer's notice to Master
Servicer of the Category 1 Request or Deemed Category 1 Request. Primary
Servicer shall draft, or cause to be drafted, all documents necessary or
appropriate to effect the Category 1 Request or Deemed Category 1 Request in
accordance with the terms of the Loan Documents, this Agreement and the Pooling
and Servicing Agreement with respect to an A/B Mortgage Loan, the applicable A/B
Intercreditor Agreement.

            c)    Notwithstanding the foregoing, the following additional
requirements shall apply to particular types or aspects of Category 1 Requests:

                  (i)     If a Mortgagor requests to defease a Mortgage Loan or
                          A/B Mortgage Loan (other than a Specially Serviced
                          Mortgage Loan) and the Loan Documents for such
                          Mortgage Loan or A/B Mortgage Loan expressly provide
                          for a defeasance, Primary Servicer shall treat such
                          request as a Category 1 Request but shall, in addition
                          to the other provisions of this Section 1 of Exhibit
                          B-2(c), seek the prior written consent of Master
                          Servicer prior to consenting to such defeasance, which
                          consent shall not be withheld or delayed unreasonably
                          when Primary Servicer submits to Master Servicer the
                          items substantially as set forth on Appendix 1 of this




                          Agreement relating to such defeasance, and any such
                          decision of Master Servicer shall be in accordance
                          with the terms of the Loan Documents and the Servicing
                          Standard. Failure of the Master Servicer to notify the
                          Primary Servicer in writing of Master Servicer's
                          determination to grant or withhold such consent,
                          within five (5) Business Days following the Primary
                          Servicer's delivery of the request for defeasance
                          described above and the relevant information collected
                          on such defeasance, shall be deemed to constitute a
                          grant of such consent.

                  (ii)    If a Mortgagor requests consent to transfer the
                          related Mortgaged Property and assign the related
                          Mortgage Loan or A/B Mortgage Loan (other than a
                          Specially Serviced Mortgage Loan) to another Person
                          who shall assume the Mortgage Loan or A/B Mortgage
                          Loan and the Loan Documents expressly permit such
                          assignment and assumption, subject to any conditions
                          set forth in the Loan Documents, Primary Servicer may
                          treat such request as a Category 1 Request but shall,
                          in addition to the other provisions of this Section 1
                          of Exhibit B-2(c), seek the prior written consent of
                          Special Servicer prior to consenting to such
                          assignment and assumption in accordance with the terms
                          of Section 3.08 of the Pooling and Servicing Agreement
                          (subject to any time periods applicable to Primary
                          Servicer or Special Servicer for the giving, granting
                          or deemed granting of such consent contained in the
                          Pooling and Servicing Agreement) by submitting to
                          Special Servicer the items substantially as set forth
                          on Appendix 2 of this Agreement relating to such
                          assignment and assumption. For the purpose of the
                          foregoing sentence, the term "expressly permits" shall
                          have the meaning assigned to it in Section 3.08 of the
                          Pooling and Servicing Agreement.

                  (iii)   If a Mortgagor requests consent to place an additional
                          lien, monetary encumbrance or mezzanine financing on
                          the related Mortgaged Property and the Loan Documents
                          expressly permit such additional lien, monetary
                          encumbrance or mezzanine financing, subject to any
                          conditions set forth in the Loan Documents, Primary
                          Servicer may treat such request as a Category 1
                          Request but shall, in addition to the other provisions
                          of this Section 1 of Exhibit B-2(c), seek the prior
                          written consent of Special Servicer prior to
                          consenting to such additional lien, monetary
                          encumbrance or mezzanine financing in accordance with
                          the terms of Section 3.08 of the Pooling and Servicing
                          Agreement (subject to any time periods applicable to
                          Primary Servicer or Special Servicer for the giving,
                          granting or deemed granting of such consent contained
                          in the Pooling and Servicing Agreement) by submitting
                          to Special Servicer the items substantially as set
                          forth on Appendix 3 of this Agreement relating to such
                          additional lien, monetary encumbrance or mezzanine
                          financing. For the purpose of the foregoing sentence,
                          the term "expressly permits" shall have the meaning
                          assigned to it in Section 3.08 of the Pooling and
                          Servicing Agreement.

                  (iv)    If a Mortgagor requests consent to enter into a Lease
                          on the related Mortgaged Property (and/or the
                          associated issuance of an SNDA for such Lease), which
                          Lease (a) requires the consent of the Mortgagee under
                          the related Loan Documents and (b) qualifies as a
                          Significant Lease, Primary Servicer may treat such
                          request as a Category 1 Request but shall, in addition
                          to the other provisions of this Section 1 of Exhibit
                          B-2(c), seek the prior written consent of Special
                          Servicer, which consent shall not be withheld or
                          delayed unreasonably, prior to consenting to or
                          disapproving of such Significant Lease (and/or the
                          related SNDA) by submitting to Special Servicer the
                          items substantially as set forth on Appendix 4 of this




                          Agreement relating to such Significant Lease (and/or
                          related SNDA) with a copy of such items also submitted
                          to the Master Servicer solely for informational
                          purposes. Failure of the Special Servicer to notify
                          the Primary Servicer in writing of Special Servicer's
                          determination to grant or withhold such consent within
                          ten (10) Business Days following the Primary
                          Servicer's delivery of the request for consent to the
                          Lease, shall be deemed to constitute a grant of such
                          consent.

                  (v)     If Primary Servicer makes a Materiality Determination
                          that a Category 1 Consent Aspect is material, then
                          Primary Servicer shall treat such request as a
                          Category 1 Request, but shall, in addition to the
                          other provisions of this Section A.1 of this Exhibit
                          B-2(c), seek the prior written consent of Special
                          Servicer prior to consenting to the applicable
                          Category 1 Request, which consent shall not be
                          withheld or delayed unreasonably, and any such
                          decision of Special Servicer shall relate only to the
                          Category 1 Consent Aspect and shall be in accordance
                          with the terms of the Loan Documents and the Servicing
                          Standard. Failure of the Special Servicer to notify
                          the Primary Servicer in writing of Special Servicer's
                          determination to grant or withhold such consent,
                          within five (5) Business Days following the Primary
                          Servicer's delivery of the request for consent to the
                          Category 1 Consent Aspect, shall be deemed to
                          constitute a grant of such consent.

            d)    Upon conclusion of the negotiations of the documentation for
the Category 1 Request or Deemed Category 1 Request, Primary Servicer may
execute and deliver the operative documents to be executed to effect the
Category 1 Request and take the other actions necessary or appropriate to
conclude such request, in each case in accordance with the terms of this
Agreement and the Pooling and Servicing Agreement and with respect to an A/B
Mortgage Loan, the related A/B Intercreditor Agreement.

            e)    Concurrently with the execution of this Agreement, Master
Servicer shall provide to Primary Servicer a counterpart original of the Power
of Attorney executed by the Trust in favor of the Master Servicer and shall
execute and deliver to Primary Servicer a Power of Attorney attached to this
Agreement as Exhibit C. Primary Servicer shall promptly notify Master Servicer
of the execution and delivery of any document on behalf of the Master Servicer
and Trustee under such Power of Attorney ("POA Notice").

            f)    Upon the request of Primary Servicer, Master Servicer shall
execute and deliver the documents necessary or appropriate to effect a Category
1 Request or Deemed Category 1 Request. Such request shall not relieve Primary
Servicer of its obligations under this Agreement regarding a Category 1 Request
or Deemed Category 1 Request, including without limitation its obligation to
evaluate and process such request in accordance with this Agreement and the
Pooling and Servicing Agreement and with respect to an A/B Mortgage Loan, the
related A/B Intercreditor Agreement and any indemnification obligation of
Primary Servicer.

            g)    Upon completion of each Category 1 Request or Deemed Category
1 Request, Primary Servicer shall promptly (but in no event more than five (5)
Business Days after concluding such request) notify Master Servicer and Special
Servicer (if its consent was required) and shall accompany such notice with a
brief summary of the Category 1 Request or Deemed Category 1 Request, a brief
summary of Primary Servicer's analysis and decision regarding such request, a
POA Notice (if required) and a counterpart original or copy of the operative
documents executed or received to effect the Category 1 Request or Deemed
Category 1 Request.

            h)    Notwithstanding the foregoing with the consent of Master
Servicer, Primary Servicer may elect to classify and treat a Post Closing
Request that otherwise qualifies as a Category 1 Request or




Deemed Category 1 Request, as a Category 2 Request instead. In such case,
Primary Servicer shall adhere to the provisions of this Agreement regarding
Category 2 Requests or Deemed Category 1 Requests, and all aspects of such
request (including without limitation the allocation of fees) shall be governed
by the terms of this Agreement covering Category 2 Requests. Primary Servicer's
decision in any one instance to treat a Post Closing Request that otherwise
qualifies as a Category 1 Request or Deemed Category 1 Request, as a Category 2
Request instead, shall not compromise or affect its right on any other occasion
to treat a similar request as a Category 1 Request or Deemed Category 1 Request.

            i)    Notwithstanding anything to the contrary in this Section 1, if
a Category 1 Request or Deemed Category 1 Request involves an action requiring
the consent of Special Servicer under Section 3.20 of the Pooling and Servicing
Agreement, Primary Servicer shall not be permitted to take any such actions
without the consent of Special Servicer in accordance with such Section 8.18(d).
For any action relating to a Mortgage Loan or an A/B Mortgage Loan requiring the
consent of Special Servicer under Section 3.20 of the Pooling and Servicing
Agreement, Primary Servicer shall have the responsibility to seek the consent of
Special Servicer in accordance with such section. The foregoing conditions and
requirements shall be in addition to the other conditions and requirements for
Category 1 Requests or Deemed Category 1 Requests as set forth above.

      2.    Category 2 Requests (other than Deemed Category 1 Requests):

            a)    If Primary Servicer classifies a Post Closing Request as a
Category 2 Request, it shall promptly (but in no event more than five (5)
Business Days after Primary Servicer's receiving such request) notify Master
Servicer of receiving such request, of the type of request and of Primary
Servicer's classification of the Post Closing Request as a Category 2 Request.
As part of such notice, Primary Servicer shall include the following:

                  (i)     If such type of request has not previously been the
                          subject of a Category 2 Request or a Requirements List
                          (as defined below) has not previously been provided to
                          Primary Servicer, then Primary Servicer shall request
                          from Master Servicer a detailed list of the
                          requirements to be satisfied for such request (the
                          "Requirements List"). Master Servicer shall promptly
                          (but in no event more than five (5) Business Days
                          after receiving notification of such request) provide
                          to Primary Servicer a Requirements List for such
                          request.

                  (ii)    If the type of Category 2 Request has previously been
                          the subject of a Post Closing Request, then Primary
                          Servicer shall submit the existing Requirements List
                          to Master Servicer. Primary Servicer may use such
                          Requirements List for such request unless Master
                          Servicer provides to Primary Servicer a replacement
                          Requirements List within five (5) Business Days of
                          such notice.

            b)    A Requirements List (i) shall in no event be more burdensome
than that required by Master Servicer of other loans in the Trust for similar
Post Closing Requests; (ii) shall not require Primary Servicer to incur
additional third party costs or expenses; and (iii) shall require the gathering,
collection and assembling of information only and not the preparation,
evaluation, analysis of information or a recommendation regarding the Post
Closing Request.

            c)    Primary Servicer shall then use diligent efforts to collect
and assemble the items on the applicable Requirements List. Upon such collection
and assembly, Primary Servicer shall provide to Master Servicer all of the
assembled items, a list of the items collected from the Requirements List, a
list of any items not collected, any reasons why such items were not collected,
a written analysis of the Category 2 Request in light of the items collected in
a form reasonably satisfactory to Master Servicer, a




recommendation whether to approve or disapprove such request and the appropriate
division of the applicable fees in accordance with the terms of this Agreement
and the Pooling and Servicing Agreement.

            d)    Master Servicer shall use its reasonable best efforts to
notify Primary Servicer with a consent or disapproval of the Category 2 Request
within ten (10) Business Days of receiving such assembled items, analysis and
recommendation. If Master Servicer disapproves such request, it shall provide
Primary Servicer the reasons for such disapproval. If Master Servicer approves
such request, Primary Servicer shall promptly process the Category 2 Request in
a manner that complies with the terms of this Agreement and the Pooling and
Servicing Agreement and with respect to an A/B Mortgage Loan, the related A/B
Intercreditor Agreement. Primary Servicer shall draft, or cause to be drafted,
all documents necessary to effect the Category 2 Request in accordance with the
terms of the consent, the Loan Documents, this Agreement and the Pooling and
Servicing Agreement, and with respect to an A/B Mortgage Loan, the related A/B
Intercreditor Agreement. Primary Servicer shall deal directly with the
applicable Mortgagor regarding a Category 2 Request after Primary Servicer
submits the items on the applicable Requirements List.

            e)    Upon conclusion of the negotiations of the documentation for
the Category 2 Request for which Master Servicer has granted its consent,
Primary Servicer may execute and deliver the operative documents to be executed
to effect the Category 2 Request and take the other actions necessary or
appropriate to conclude such request, in each case in accordance with the terms
of this Agreement and the Pooling and Servicing Agreement and with respect to an
A/B Mortgage Loan, the related A/B Intercreditor Agreement.

            f)    Upon the request of Primary Servicer, Master Servicer shall
execute and deliver the documents necessary or appropriate to effect a Category
2 Request, which documents shall be prepared by the Primary Servicer. Such
request shall not relieve Primary Servicer of its obligations under this
Agreement regarding a Category 2 Request, including without limitation its
obligation to evaluate and process such request in accordance with this
Agreement and the Pooling and Servicing Agreement and with respect to an A/B
Mortgage Loan, the related A/B Intercreditor Agreement and any indemnification
obligation of Primary Servicer.

            g)    Upon completion of each Category 2 Request, Primary Servicer
shall promptly (but in no event more than ten (10) Business Days after
concluding such request) notify Master Servicer and shall accompany such notice
with a copy of the operative documents executed or received to effect the
Category 2 Request.

            h)    Notwithstanding anything to the contrary in this Section 2, if
a Category 2 Request involves an action requiring the consent of Special
Servicer under Section 3.20 of the Pooling and Servicing Agreement, Primary
Servicer shall not be permitted to take any such action without the consent of
Special Servicer in accordance with such Section 3.20. For any action relating
to a Mortgage Loan or an A/B Mortgage Loan requiring the consent of Special
Servicer under Section 3.20 of the Pooling and Servicing Agreement, Primary
Servicer shall have the responsibility to seek the consent of Special Servicer
in accordance with such section. The foregoing conditions and requirements shall
be in addition to the other conditions and requirements for Category 2 Requests
as set forth above.

      3.    Category 3 Requests:

            a)    If Primary Servicer classifies a Post Closing Request as a
Category 3 Request, it shall promptly (but in no event more than five (5)
Business Days after receiving such request) notify Master Servicer and Special
Servicer of receiving such request and of Primary Servicer's classification of
the




Post Closing Request as a Category 3 Request and shall refer such Category 3
Request to the Special Servicer for handling in accordance with the Pooling and
Servicing Agreement.

            b)    Upon such referral, Primary Servicer shall notify the
applicable Mortgagor of such referral and shall direct the Mortgagor that all
further correspondence and interaction regarding the applicable Category 3
Request shall be directed to and through the Special Servicer (unless the
Special Servicer and Master Servicer shall otherwise direct the Primary
Servicer). Primary Servicer shall forward all correspondence and other
information regarding such request in its possession to Special Servicer.

B.    Dispute of Classification.

      1.    Notification of Dispute. If either Master Servicer or Special
Servicer disputes the classification of Primary Servicer of any Post Closing
Request (for purposes of this Section B, the term "classification" shall include
a Materiality Determination of Primary Servicer regarding a Category 1 Consent
Aspect with respect to such Post Closing Request), then Master Servicer or
Special Servicer, as applicable, shall notify Primary Servicer of such dispute
promptly (but in no event more than five (5) Business Days from Primary
Servicer's notice of such classification) in writing and the specific reasons
for such dispute. The parties shall then work in good faith for a period not
more than five (5) Business Days to resolve the classification of the Post
Closing Request. Primary Servicer's classification of a Post Closing Request
shall govern the handling of such request absent Primary Servicer's receipt of
notice of such dispute within the specified time period but shall not diminish
the obligation of Primary Servicer to classify Post Closing Requests in
accordance with this Agreement and to handle such requests in accordance with
this Agreement and the Pooling and Servicing Agreement and with respect to an
A/B Mortgage Loan, the related A/B Intercreditor Agreement.

      2.    Resolution of Dispute in Absence of Agreement. If after such good
faith efforts to resolve such classification dispute the parties cannot agree to
a classification, then the following shall apply: For Mortgage Loans or A/B
Mortgage Loans that individually, or together with all other Mortgage Loans and
A/B Mortgage Loans that have the same or an affiliated Mortgagor or that are
cross-collateralized with such Mortgage Loans or A/B Mortgage Loans have a
principal balance on the Cut-off Date that is in excess of two percent (2%) of
the then Aggregate Principal Balance, then the good faith classification of the
Master Servicer or Special Servicer, as applicable, shall govern. For Mortgage
Loans that individually, or together with all other Mortgage Loans and A/B
Mortgage Loans that have the same or an affiliated Mortgagor or that are
cross-collateralized with such Mortgage Loans or A/B Mortgage Loans have a
principal balance on the Cut-off Date that is equal to or less than two percent
(2%) of the then Aggregate Principal Balance, then the good faith classification
of the Primary Servicer shall govern; provided that, in no event, shall Primary
Servicer's classification govern if such classification would, in the sole
judgment of Master Servicer or Special Servicer (as applicable), conflict with
any provision of the Pooling and Servicing Agreement or result in a default by
Master Servicer or Special Servicer under the Pooling and Servicing Agreement.

      3.    Processing of Post Closing Request During Dispute. During a pending
dispute over classification of a Post Closing Request, the parties shall
continue to cooperate to process such request in accordance with Primary
Servicer's initial classification until a resolution is achieved or, failing
resolution, the Post Closing Request is classified in accordance with the terms
of Section B.2 of this Exhibit B-2(c). Master Servicer and Primary Servicer
acknowledge that it is a goal of both parties not to unduly burden or delay the
processing of a Post Closing Request even though a dispute about classification
of such request may exist but in any event the processing of a Post Closing
Request must be accomplished in a manner consistent and in compliance with the
Pooling and Servicing Agreement and with respect to an A/B Mortgage Loan, the
related A/B Intercreditor Agreement.




                                   EXHIBIT B-3
                      FORMS OF PROPERTY INSPECTION REPORTS


                                See CMSA Website




                                   EXHIBIT B-4
                                TASK DESCRIPTION

                   MASTER SERVICER/PRIMARY SERVICER TASK LIST
        COMMERCIAL MORTGAGE PASS-THROUGH CERTIFICATES, SERIES 2007-PWR17

Note: Some listed tasks designate more than one party to perform that function
      by placing an "X" in more than one column. In these instances, the
      parties shall follow any specific guidance about the allocation of
      responsibilities in completing the task found in the terms of this
      Agreement (including Exhibits B-2 and B-3). In the absence of specific
      allocation of obligations in this Agreement, the parties shall work in
      good faith to allocate responsibilities in a fair and equitable manner in
      accordance with this Agreement and the Pooling and Servicing Agreement.



---------------------------------------------------------------------------------------------------------------------------------
                                                                                          MASTER    PRIMARY    SPECIAL
                                                                                         SERVICER   SERVICER   SERVICER   TRUSTEE
---------------------------------------------------------------------------------------------------------------------------------

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

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

---------------------------------------------------------------------------------------------------------------------------------
1.   Asset Files
---------------------------------------------------------------------------------------------------------------------------------
     Original credit file management                                                                   X
---------------------------------------------------------------------------------------------------------------------------------
     Original collateral file (security)                                                                                     X
---------------------------------------------------------------------------------------------------------------------------------
     Authorized parties list for request for release of collateral from Trustee             X          X
---------------------------------------------------------------------------------------------------------------------------------
     Establish servicing files criteria                                                     X          X
---------------------------------------------------------------------------------------------------------------------------------
     Provide access to servicing files and copies of servicing files or of specific                    X
     docs upon request to the Master Servicer
---------------------------------------------------------------------------------------------------------------------------------
     Request delivery of files from Trustee upon request and certification of Primary                  X
     Servicer
---------------------------------------------------------------------------------------------------------------------------------

---------------------------------------------------------------------------------------------------------------------------------
2.   Property Taxes
---------------------------------------------------------------------------------------------------------------------------------
     Preparation and delivery of quarterly tax delinquency reports                                     X
---------------------------------------------------------------------------------------------------------------------------------
     Monitoring of tax status - Loans with/without escrows                                             X
---------------------------------------------------------------------------------------------------------------------------------
     Recommendation of payment of taxes - Loans with/without escrows                                   X
---------------------------------------------------------------------------------------------------------------------------------
     Notification of advance requirement 3 business days prior to advance being                        X
     required
---------------------------------------------------------------------------------------------------------------------------------
     Payment of taxes - with sufficient escrows                                                        X
---------------------------------------------------------------------------------------------------------------------------------
     Payment of taxes - with escrow shortfall                                               X
---------------------------------------------------------------------------------------------------------------------------------

---------------------------------------------------------------------------------------------------------------------------------
3.   Property Insurance
---------------------------------------------------------------------------------------------------------------------------------
     Preparation and delivery of quarterly insurance tickler reports                                    X
---------------------------------------------------------------------------------------------------------------------------------
     Monitoring of insurance status - Loans with/without escrows                                        X
---------------------------------------------------------------------------------------------------------------------------------
     Ensure insurance carrier meets Pooling and Servicing Agreement qualifications                      X
---------------------------------------------------------------------------------------------------------------------------------
     Ensure insurance in favor of the Master Servicer on behalf of the Trustee                          X
---------------------------------------------------------------------------------------------------------------------------------
     Recommendation of payment or force placement of insurance with/without escrow                      X
---------------------------------------------------------------------------------------------------------------------------------
     Notification of advance requirement or force placement of insurance 3 business                     X
     days prior to advance being required
---------------------------------------------------------------------------------------------------------------------------------







---------------------------------------------------------------------------------------------------------------------------------
                                                                                          MASTER    PRIMARY    SPECIAL
                                                                                         SERVICER   SERVICER   SERVICER   TRUSTEE
---------------------------------------------------------------------------------------------------------------------------------

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

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

---------------------------------------------------------------------------------------------------------------------------------
     Payment of insurance - with sufficient escrows                                                    X
---------------------------------------------------------------------------------------------------------------------------------
     Payment of insurance or force placement - with escrow shortfall                        X
---------------------------------------------------------------------------------------------------------------------------------
     Category 1 Requests and Deemed Category 1 Requests
---------------------------------------------------------------------------------------------------------------------------------
         Preparation and presentment of claims                                                         X
---------------------------------------------------------------------------------------------------------------------------------
         Collection of insurance proceeds                                                              X
---------------------------------------------------------------------------------------------------------------------------------
     Category 2 Requests
---------------------------------------------------------------------------------------------------------------------------------
         Preparation and presentment of claims                                              X
---------------------------------------------------------------------------------------------------------------------------------
         Collection of insurance proceeds                                                   X
---------------------------------------------------------------------------------------------------------------------------------

---------------------------------------------------------------------------------------------------------------------------------
4.   UCC Continuation Filings
---------------------------------------------------------------------------------------------------------------------------------
     Preparation and delivery of quarterly UCC tickler report                                          X
---------------------------------------------------------------------------------------------------------------------------------
     Maintain tickler system of refiling the dates on all Loans                                        X
---------------------------------------------------------------------------------------------------------------------------------
     File UCC Continuation Statements                                                                  X
---------------------------------------------------------------------------------------------------------------------------------
     Pay recording fees                                                                                X
---------------------------------------------------------------------------------------------------------------------------------
     Monitor tickler system                                                                            X
---------------------------------------------------------------------------------------------------------------------------------

---------------------------------------------------------------------------------------------------------------------------------
5.   Collection/Deposit/Distribution of P&I payments and Principal Prepayments
---------------------------------------------------------------------------------------------------------------------------------
     Collection and deposit of loan P&I payments                                                       X
---------------------------------------------------------------------------------------------------------------------------------
     Remittance of available Primary Servicer P&I payments to Master Servicer                          X
     and B Note holders, as applicable (net of Aggregate Servicing Fee and other fees
     payable to the Primary Servicer by the B Note holders)
---------------------------------------------------------------------------------------------------------------------------------
     Provide Collection Reports to Master Servicer                                                     X
---------------------------------------------------------------------------------------------------------------------------------
     Distribution of P&I payments to the Trustee                                            X
---------------------------------------------------------------------------------------------------------------------------------
     Distribution of Special Servicer compensation                                          X
---------------------------------------------------------------------------------------------------------------------------------
     Approval of Prepayment Premiums                                                        X
---------------------------------------------------------------------------------------------------------------------------------

---------------------------------------------------------------------------------------------------------------------------------
6.   Collection/Deposit/Disbursement of Reserves
---------------------------------------------------------------------------------------------------------------------------------
     Collection and deposit of reserves                                                                X
---------------------------------------------------------------------------------------------------------------------------------
     Disbursement of reserves                                                                          X
---------------------------------------------------------------------------------------------------------------------------------

---------------------------------------------------------------------------------------------------------------------------------
7.   Customer Billing, Collection and Customer Service
---------------------------------------------------------------------------------------------------------------------------------
     Contact delinquent borrowers by phone 3 days after delinquent date                                X
---------------------------------------------------------------------------------------------------------------------------------
     Send 30 day delinquent notices                                                                    X
---------------------------------------------------------------------------------------------------------------------------------
     Send notice of balloon payment to each Mortgagor one year, 180, and 90 days                       X
     prior to the related maturity date
---------------------------------------------------------------------------------------------------------------------------------
     Provide copy of Balloon Mortgage Loan notice to Master Servicer                                   X
---------------------------------------------------------------------------------------------------------------------------------

---------------------------------------------------------------------------------------------------------------------------------
8.   Escrows
---------------------------------------------------------------------------------------------------------------------------------







---------------------------------------------------------------------------------------------------------------------------------
                                                                                          MASTER    PRIMARY    SPECIAL
                                                                                         SERVICER   SERVICER   SERVICER   TRUSTEE
---------------------------------------------------------------------------------------------------------------------------------

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

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

---------------------------------------------------------------------------------------------------------------------------------
     Setup and monitor Escrow Accounts including escrow analysis                                       X
---------------------------------------------------------------------------------------------------------------------------------
     Pay borrower investment income required                                                           X
---------------------------------------------------------------------------------------------------------------------------------
     Prepare annual escrow analysis                                                                    X
---------------------------------------------------------------------------------------------------------------------------------

---------------------------------------------------------------------------------------------------------------------------------
9.   Loan payment history/calculation
---------------------------------------------------------------------------------------------------------------------------------
     Maintain loan payment history                                                                     X
---------------------------------------------------------------------------------------------------------------------------------
     Create payoff/reinstatement statements and telecopy to Master Servicer                            X
---------------------------------------------------------------------------------------------------------------------------------
     Approve payoff calculations and telecopy approval to Primary Servicer                  X
     within five (5) Business Days
---------------------------------------------------------------------------------------------------------------------------------

---------------------------------------------------------------------------------------------------------------------------------
10.  Monitoring of Financial and Legal Covenants
---------------------------------------------------------------------------------------------------------------------------------
     Collect quarterly and annual operating statements, budgets, rent rolls and
     borrower financial statements, as applicable.                                                     X
---------------------------------------------------------------------------------------------------------------------------------
     Deliver Operating Statement Analysis Report, CMSA Financial File and NOI
     Adjustment X Worksheet in accordance with Section 2.1(c)(viii) of this                            X
     Agreement.
---------------------------------------------------------------------------------------------------------------------------------
     Deliver one (1) copy of quarterly and annual operating statements, budgets,
     rent X rolls and borrower financial statement, as applicable, within thirty                       X
     (30) days of Primary Servicer's receipt
---------------------------------------------------------------------------------------------------------------------------------
     Complete CMSA Loan Setup File for Mortgage Loans                                       X          X
---------------------------------------------------------------------------------------------------------------------------------
     Complete CMSA Loan Periodic Update File for Mortgage Loans                             X
---------------------------------------------------------------------------------------------------------------------------------
     Complete and deliver CMSA Property File for Mortgage Loans                                        X
---------------------------------------------------------------------------------------------------------------------------------
     Complete and deliver quarterly Operating Statement Analysis Report and CMSA
     Quarterly Financial File in accordance with Section 2.1(c)(viii) of                    X          X
     this Agreement.
---------------------------------------------------------------------------------------------------------------------------------
     Cash account Reconciliations - Copies of monthly bank statements for all
     deposit, escrow and reserve accounts                                                              X
---------------------------------------------------------------------------------------------------------------------------------
     CMSA Supplemental Reports
---------------------------------------------------------------------------------------------------------------------------------
         Complete Servicer Watch List                                                                             X
---------------------------------------------------------------------------------------------------------------------------------
         Complete Comparative Financial Status Report                                                             X
---------------------------------------------------------------------------------------------------------------------------------
         Delinquent Loan Status Report                                                      X
---------------------------------------------------------------------------------------------------------------------------------
         REO Status Report                                                                  X
---------------------------------------------------------------------------------------------------------------------------------
         Historical Loan Status Report                                                      X
---------------------------------------------------------------------------------------------------------------------------------
         Historical Liquidation Report                                                      X
---------------------------------------------------------------------------------------------------------------------------------
         CMSA Loan Level Reserve/LOC Report                                                            X
---------------------------------------------------------------------------------------------------------------------------------

---------------------------------------------------------------------------------------------------------------------------------
11.  Advancing
---------------------------------------------------------------------------------------------------------------------------------
     Determination of Non-Recoverability                                                    X
---------------------------------------------------------------------------------------------------------------------------------

---------------------------------------------------------------------------------------------------------------------------------
12.  Borrower Inquiries/Performing Loans
---------------------------------------------------------------------------------------------------------------------------------







---------------------------------------------------------------------------------------------------------------------------------
                                                                                          MASTER    PRIMARY    SPECIAL
                                                                                         SERVICER   SERVICER   SERVICER   TRUSTEE
---------------------------------------------------------------------------------------------------------------------------------

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

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

---------------------------------------------------------------------------------------------------------------------------------
     Performing Loans - respond to routine billing questions                                           X
---------------------------------------------------------------------------------------------------------------------------------
     Category 1 Requests and Deemed Category 1 Requests
---------------------------------------------------------------------------------------------------------------------------------
         Assumptions & Due on sale:
---------------------------------------------------------------------------------------------------------------------------------
            Borrower contact and data gathering                                                        X
---------------------------------------------------------------------------------------------------------------------------------
            Underwriting and analysis of request                                                       X
---------------------------------------------------------------------------------------------------------------------------------
            Approval of assumption                                                                     X
---------------------------------------------------------------------------------------------------------------------------------
            Consent to assumption                                                                                 X
---------------------------------------------------------------------------------------------------------------------------------
            Close assumption                                                                           X
---------------------------------------------------------------------------------------------------------------------------------
     Category 2 Requests
---------------------------------------------------------------------------------------------------------------------------------
         Assumptions & Due on sale:
---------------------------------------------------------------------------------------------------------------------------------
            Initial Borrower contact and data gathering                                                X
---------------------------------------------------------------------------------------------------------------------------------
            Underwriting and analysis                                                                  X          X
---------------------------------------------------------------------------------------------------------------------------------
            Approval of assumption                                                                     X          X
---------------------------------------------------------------------------------------------------------------------------------
            Consent to assumption                                                                                 X
---------------------------------------------------------------------------------------------------------------------------------
            Close assumption (directly with Borrower)                                                  X
---------------------------------------------------------------------------------------------------------------------------------

---------------------------------------------------------------------------------------------------------------------------------
     Category 1 Requests and Deemed Category 1 Requests
---------------------------------------------------------------------------------------------------------------------------------
         Additional Liens, Monetary Encumbrances or Mezzanine Financing:
---------------------------------------------------------------------------------------------------------------------------------
            Borrower contact and data gathering                                                        X
---------------------------------------------------------------------------------------------------------------------------------
            Underwriting and analysis of request                                                       X
---------------------------------------------------------------------------------------------------------------------------------
            Approval of additional lien, monetary encumbrance or mezzanine financing                   X
---------------------------------------------------------------------------------------------------------------------------------
            Consent to additional lien, monetary encumbrance or mezzanine financing                               X
---------------------------------------------------------------------------------------------------------------------------------
            Close additional lien, monetary encumbrance or mezzanine financing                         X
---------------------------------------------------------------------------------------------------------------------------------
     Category 2 Requests
---------------------------------------------------------------------------------------------------------------------------------
         Additional Liens, Monetary Encumbrances or Mezzanine Financing:
---------------------------------------------------------------------------------------------------------------------------------
            Initial Borrower contact and data gathering                                                X
---------------------------------------------------------------------------------------------------------------------------------
            Underwriting and analysis                                                                  X          X
---------------------------------------------------------------------------------------------------------------------------------
            Approval of additional lien, monetary encumbrance or mezzanine financing        X                     X
---------------------------------------------------------------------------------------------------------------------------------
            Consent to additional lien, monetary encumbrance or mezzanine financing                               X
---------------------------------------------------------------------------------------------------------------------------------
            Close additional lien, monetary encumbrance or mezzanine financing                         X
            (directly with Borrower)
---------------------------------------------------------------------------------------------------------------------------------

---------------------------------------------------------------------------------------------------------------------------------
     Modifications (Non-Money Terms), Waivers, Consents and Extensions up to 60
     days (not otherwise provided in this Agreement):
---------------------------------------------------------------------------------------------------------------------------------
         Initial Borrower contact and data gathering                                                   X
---------------------------------------------------------------------------------------------------------------------------------
         Underwriting and analysis                                                                     X
---------------------------------------------------------------------------------------------------------------------------------
         Approval of modification and extensions up to 60 days (Category 1 Requests                    X
         and Deemed Category 1 Requests)
---------------------------------------------------------------------------------------------------------------------------------







---------------------------------------------------------------------------------------------------------------------------------
                                                                                          MASTER    PRIMARY    SPECIAL
                                                                                         SERVICER   SERVICER   SERVICER   TRUSTEE
---------------------------------------------------------------------------------------------------------------------------------

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

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

---------------------------------------------------------------------------------------------------------------------------------
         Approval of modification and extensions up to 60 days (Category 2 Request)         X
---------------------------------------------------------------------------------------------------------------------------------
         Consent to modification and waivers and other consents  (not otherwise                                   X
         provided in this Agreement)
---------------------------------------------------------------------------------------------------------------------------------
         Closing Documents and Closing                                                                 X
---------------------------------------------------------------------------------------------------------------------------------
     Modification (Money Terms):                                                                                  X
---------------------------------------------------------------------------------------------------------------------------------
     Extensions of Maturity Date (more than 60 days):                                                             X
---------------------------------------------------------------------------------------------------------------------------------
     Response to request for Discounted Payoffs, Workouts, Restructures, Forbearances                             X
     and Casualties
---------------------------------------------------------------------------------------------------------------------------------
     Condemnation (only with respect to Specially Serviced Mortgage Loans the Special       X          X          X
     Servicer will perform such functions)
---------------------------------------------------------------------------------------------------------------------------------

---------------------------------------------------------------------------------------------------------------------------------
13.  Monthly Reporting (Hardcopy & Electronic mail)
---------------------------------------------------------------------------------------------------------------------------------
     Day One Report                                                                                    X
---------------------------------------------------------------------------------------------------------------------------------
     Delinquency and past due reporting on all Loans                                                   X
---------------------------------------------------------------------------------------------------------------------------------
     Deliver on April 25, July 25, October 25 and January 25 of each year a                            X
     Quarterly X Servicing Accounts Reconciliation Certification in the form of
     Exhibit D
---------------------------------------------------------------------------------------------------------------------------------

---------------------------------------------------------------------------------------------------------------------------------
14.  Category 1 Requests and Deemed Category 1 Requests
---------------------------------------------------------------------------------------------------------------------------------
         Release of Collateral
---------------------------------------------------------------------------------------------------------------------------------
            Determination if collateral should be released                                             X
---------------------------------------------------------------------------------------------------------------------------------
            Consent to release collateral                                                              X
---------------------------------------------------------------------------------------------------------------------------------
            Request delivery of files from Trustee upon Primary Servicer request and                   X
            certification
---------------------------------------------------------------------------------------------------------------------------------
            Preparation and recordation of release deeds all Loans (full and partial)                  X
---------------------------------------------------------------------------------------------------------------------------------
     Category 2 Requests
---------------------------------------------------------------------------------------------------------------------------------
         Release of Collateral
---------------------------------------------------------------------------------------------------------------------------------
            Initial Borrower contact and data gathering                                                X
---------------------------------------------------------------------------------------------------------------------------------
            Underwriting and analysis                                                                  X
---------------------------------------------------------------------------------------------------------------------------------
            Determination if collateral should be released                                  X
---------------------------------------------------------------------------------------------------------------------------------
            Consent to release collateral                                                   X
---------------------------------------------------------------------------------------------------------------------------------
            Request delivery of files from Trustee                                                     X
---------------------------------------------------------------------------------------------------------------------------------
            Preparation and recordation of release deeds all Loans (full and partial)                  X
---------------------------------------------------------------------------------------------------------------------------------
15.  Property Annual Inspections
---------------------------------------------------------------------------------------------------------------------------------
     Conduct site inspection per Pooling and Servicing Agreement requirement                           X
---------------------------------------------------------------------------------------------------------------------------------
     Provide 3 copies of site inspection reports to the Master Servicer within
     30 days of inspection but not later than December 15 of each year                                 X
     beginning in 2008
---------------------------------------------------------------------------------------------------------------------------------







---------------------------------------------------------------------------------------------------------------------------------
                                                                                          MASTER    PRIMARY    SPECIAL
                                                                                         SERVICER   SERVICER   SERVICER   TRUSTEE
---------------------------------------------------------------------------------------------------------------------------------

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

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

---------------------------------------------------------------------------------------------------------------------------------
16.  Preparation of servicing transfer letters                                                         X
---------------------------------------------------------------------------------------------------------------------------------

---------------------------------------------------------------------------------------------------------------------------------
17.  Preparation of IRS Reporting (1098s and 1099s or other tax reporting
     requirements) and delivery of copies to the Master Servicer by January 31                         X
     of each year
---------------------------------------------------------------------------------------------------------------------------------

---------------------------------------------------------------------------------------------------------------------------------
18.  Provide Primary Servicer Form 8-K Information Reports, Primary Servicer
     Form 10-D Information Reports and Primary Servicer Form 10-K Information                          X
     Reports at the times and in the manner set forth in Section 5.13(c) of this
     Primary Servicing Agreement
---------------------------------------------------------------------------------------------------------------------------------

---------------------------------------------------------------------------------------------------------------------------------
19.  Provide annual statement of compliance at the times and in the manner                             X
     set forth ) in Section 5.13(c of this Primary Servicing Agreement
---------------------------------------------------------------------------------------------------------------------------------

---------------------------------------------------------------------------------------------------------------------------------
20.  Provide either (a) a report regarding Primary Servicer's assessment of
     compliance with servicing criteria and a report by a registered public                            X
     accounting firm that attests to and reports on such assessment report or
     (b) a report of a firm of independent public accounts based on
     USAP-compliant examinations, as the case may be, at the times, in the
     manner and as specified in Section 5.13(c) of this Primary Servicing
     Agreement.
---------------------------------------------------------------------------------------------------------------------------------

---------------------------------------------------------------------------------------------------------------------------------
21.  Provide annual Sarbanes-Oxley back-up certification at the times and in the                       X
     manner set forth in Section 5.13(c)(v) of this Primary Servicing Agreement
---------------------------------------------------------------------------------------------------------------------------------

---------------------------------------------------------------------------------------------------------------------------------
22.  Compensation
---------------------------------------------------------------------------------------------------------------------------------
     Primary Servicer Fee and other fees payable to the Primary Servicer by the                        X
     B Note holders
---------------------------------------------------------------------------------------------------------------------------------
     Investment earnings on Primary Servicer Collection Account                                        X
---------------------------------------------------------------------------------------------------------------------------------
     Investment earnings on tax & insurance reserves not payable to borrower                           X
---------------------------------------------------------------------------------------------------------------------------------
     Investment earnings on reserve accounts not payable to borrower                                   X
---------------------------------------------------------------------------------------------------------------------------------
     Late charges to the extent collected from borrower (offsets advance                    X
     interest per Pooling and Servicing Agreement)
---------------------------------------------------------------------------------------------------------------------------------

---------------------------------------------------------------------------------------------------------------------------------
23.  Defeasance
---------------------------------------------------------------------------------------------------------------------------------
     Coordinate, analyze, approve, and process defeasance request                                      X
---------------------------------------------------------------------------------------------------------------------------------
     Consent to defeasance                                                                  X
---------------------------------------------------------------------------------------------------------------------------------
     Service Defeasance Loans                                                                          X
---------------------------------------------------------------------------------------------------------------------------------
     Retain all fees associated with Defeasance Loans                                                  X
---------------------------------------------------------------------------------------------------------------------------------





                                    EXHIBIT C
                 FORM OF POWER OF ATTORNEY FROM MASTER SERVICER

                                                     RECORDING REQUESTED BY:

                                                     AND WHEN RECORDED MAIL TO:

                                           Attention:  Commercial Mortgage Pass-
                                          Through Certificates Series 2007-PWR17
                    Space above this line for Recorder's use
--------------------------------------------------------------------------------

                            LIMITED POWER OF ATTORNEY
                                (MASTER SERVICER)

            WELLS FARGO BANK, NATIONAL ASSOCIATION, acting solely in its
capacity as a Master Servicer ("Master Servicer"), under the Pooling and
Servicing Agreement dated as of September 1, 2007 (the "Pooling and Servicing
Agreement") and a Primary Servicing Agreement dated as of September 1, 2007 (the
"Primary Servicing Agreement"), in each case relating to the Commercial Mortgage
Pass-Through Certificates, Series 2007-PWR17, does hereby nominate, constitute
and appoint Principal Global Investors, LLC ("PGI"), as Primary Servicer under
the Primary Servicing Agreement ("Primary Servicing Agreement"), as its true and
lawful attorney-in-fact for it and in its name, place, stead and for its use and
benefit:

            To perform any and all acts which may be necessary or appropriate to
enable PGI to service and administer the Mortgage Loans (as defined in the
Primary Servicing Agreement) in connection with the performance by PGI of its
duties as Primary Servicer under the Primary Servicing Agreement, giving and
granting unto PGI full power and authority to do and perform any and every act
necessary, requisite, or proper in connection with the foregoing and hereby
ratifying, approving or confirming all that PGI shall lawfully do or cause to be
done by virtue hereof.

            IN WITNESS WHEREOF, the undersigned has caused this limited power of
attorney to be executed as of this ___ day of __________________



                                               WELLS FARGO BANK, NATIONAL
                                               ASSOCIATION, acting solely in its
                                               capacity as a Master Servicer
                                               under the Pooling and Servicing
                                               Agreement and the Primary
                                               Servicing Agreement


                                               By:______________________________
                                               Name:
                                               Title:




                                    EXHIBIT D

            QUARTERLY SERVICING ACCOUNTS RECONCILIATION CERTIFICATION

                Primary Servicer: Principal Global Investors, LLC

            RE: Bear Stearns Commercial Mortgage Securities Inc., Commercial
            Mortgage Pass-Through Certificates, Series 2007-PWR17

            Pursuant to the Primary Servicing Agreement between Wells Fargo
Bank, National Association ("Wells Fargo Bank") and Principal Global Investors,
LLC ("Primary Servicer") for the transaction referenced above, I hereby certify
with respect to each mortgage loan serviced by Primary Servicer for Wells Fargo
Bank for such transaction that within 25 days after the end of each of the
months of [January, February and March][April, May and June][July, August and
September][October, November and December], any and all deposit accounts, escrow
accounts and reserve accounts, and any and all other collection accounts and
servicing accounts, related to such mortgage loan have been properly reconciled,
and the reconciliations have been reviewed and approved, by Primary Servicer's
management, except as otherwise noted below:

            EXCEPTIONS: ______________________________________________

            __________________________  [Signature]

            Name: [INSERT NAME OF SERVICING OFFICER]
            Title: Servicing Officer, Principal Global Investors, LLC

            Date:  [April, July, October, January] 25, [20__]


                                      D-1



                                    EXHIBIT E

                 FORM OF COVER PAGE FOR REPORT OR CERTIFICATION

                          COMPLIANCE INFORMATION REPORT

IDENTIFYING INFORMATION FOR THIS REPORT:

Date of Submission:                       _______

Depositor:                                ______________________________________

Trust:                                    ______________________________________

Pooling and Servicing Agreement:          Pooling and Servicing Agreement dated
                                          as of _______, ___, among
                                          _________________________________.

Subservicing Agreement:                   Subservicing Agreement dated as of
                                          ________, ___, between Wells Fargo
                                          Bank, National Association, as master
                                          servicer, and ______________, as
                                          Primary Servicer.

Master Servicer:                          Wells Fargo Bank, National Association

Primary Servicer:                         ______________________________________

Primary Servicer Contact Person:          [Name] [telephone] [facsimile]
                                          [email address]


THIS REPORT CONTAINS THE FOLLOWING INFORMATION:

Immediate Reporting:
                  |_|                     Form 8- K Reporting Information

Monthly Reporting:
                  |_|                     Form 10-D Reporting Information

Annual Reporting:
                  |_|                     Form 10-K Reporting Information

Annual Compliance:
                  |_|                     Compliance Assessment Report (Item
                                          1122(a)) by Primary Servicer on
                                          Compliance With Servicing Criteria in
                                          Item 1122(d) of Regulation AB

                  |_|                     Attestation Report (Item 1122(b)) by
                                          Registered Public Accounting Firm on
                                          Compliance Assessment Report

                  |_|                     Statement of Compliance (Item 1123)

                  |_|                     Sarbanes-Oxley Back-Up Certification

THIS REPORT AMENDS PRIOR REPORTING INFORMATION:

                  |_|                     Yes - Date of Submission of Prior
                                          Reporting Information:

                                                     _____/_____/_____

                  |_|                     No


                                      G-1



                                   APPENDIX 1
           ITEMS REQUIRED FOR DEFEASANCE SUBMISSION TO MASTER SERVICER

                REQUEST FOR MASTER SERVICER CONSENT TO DEFEASANCE

            Primary Servicer shall submit to Master Servicer the following
listed items to seek the consent of Master Servicer to a defeasance of a
Mortgage Loan or an A/B Mortgage Loan that Primary Servicer is permitted to
process under this Primary Servicing Agreement.

1.    Copy of written notice to Primary Servicer from Mortgagor requesting
      defeasance of the applicable Mortgage Loan.

2.    An Executed Certificate substantially in the form attached hereto at
      Exhibit A.

3.    (i) A description of the proposed defeasance collateral, (ii) written
      confirmation from an independent accountant stating that payments made on
      such defeasance collateral are sufficient to pay the subject Mortgage
      Loan, and (iii) a copy of the form of opinion of counsel from the related
      Mortgagor or other counsel that the related Trust has the benefit of a
      first lien, perfected security interest in the defeasance collateral..

4.    Such other items as are reasonably required by Master Servicer consistent
      with the Servicing Standard as long as such requirements may be required
      of the related Mortgagor under the related Loan Documents without
      additional expense to Primary Servicer or Master Servicer.


                                   Appendix 1



                             EXHIBIT A TO APPENDIX 1

                     PRIMARY SERVICER DEFEASANCE CERTIFICATE

                              [INSERT DATE], 20[_]

RE: Defeasance of the "[INSERT NAME OF MORTGAGE LOAN FROM SCHEDULE I]"
(Prospectus ID Number: [INSERT ID NUMBER]) mortgage loan (the "Mortgage Loan")
to [INSERT NAME OF MORTGAGOR] (the "Mortgagor") serviced by Principal Global
Investors, LLC, as primary servicer (the "Primary Servicer") pursuant to that
Primary Servicing Agreement (the "Primary Servicing Agreement") dated as of
September 1, 2007, between Primary Servicer and Wells Fargo Bank, N.A., as a
master servicer (the "Master Servicer") related to the Bear Stearns Commercial
Mortgage Securities Inc., Commercial Mortgage Pass-Through Certificates, Series
2007-PWR17.

The undersigned hereby certifies to the Master Servicer on behalf of the Primary
Servicer as of the date hereof as follows:

1. The Mortgagor has the right to defease the Mortgage Loan pursuant to the loan
documents (the "Loan Documents") related to the Mortgage Loan.

2. The Mortgagor will have satisfied all of the requirements for the defeasance
of the Mortgage Loan under the Loan Documents by the closing date of the
defeasance.

3. (i) The Primary Servicer has retained outside legal counsel with experience
reviewing and documenting the defeasance of commercial mortgage loans to review
the Loan Document defeasance provisions and to document the defeasance of the
Mortgage Loan in accordance therewith and (ii) the Primary Servicer has provided
or will provide such legal counsel with the Loan Documents needed for such
purposes.


PRINCIPAL GLOBAL INVESTORS, LLC

By:______________________________
    Name:
    Title:


                             Exhibit A to Appendix 1



                                   APPENDIX 2

            Assignment and Assumption Submission to Special Servicer

PRESENT MORTGAGOR:

PROPOSED MORTGAGOR:


PRIMARY SERVICER #:

SPECIAL SERVICER #:

COLLATERAL TYPE:                 (Retail, Industrial, Apartments, Office, etc.)

ADDRESS:                                  Property Address

                                          City, State, zip code

ASSET STATUS:                             As of (date)

      Principal Balance:                  $
      Unpaid Accrued Interest:            $
      Unpaid Late Fees/other fees:        $
      Tax Escrow Balance:                 $
            a.    Insurance Escrow Balance:      $

      Reserve Escrow Balance:             $
      Monthly (P&I) Payment:              $
      Interest Rate:                      %
      Date Principal Paid To:
      Date Interest Paid To:
      Maturity Date:
      Origination Date:

Executive Summary:

1.    Summarize the transaction

      a.    note any significant modification of terms of the Loan Documents
            permitting assumption that could result in Adverse REMIC Event

2.    Discuss proposed Mortgagor entity and ownership structure

      a.    include any changes in level of SAE or SPE compliance from existing
            Mortgagor as noted on Asset Summary attached)

3.    How will title be held

4.    Source of cash for down payment

5.    Briefly describe collateral


                              Page 1 of Appendix 2



      a.    Size, occupancy, primary tenants, location

      b.    Prior year NOI and DSCR and Pro-forma NOI DSCR

6.    Complete the chart below:

The sale terms and property characteristics are summarized as follows:

      --------------------------------------------------------------------
      Purchase price                                            $
      Buyer down payment                                        $     (%)
      Estimated closing date
      1% loan fee split:  Principal                             40% - $
            WFB, Master Serv.                                   10% - $
            Centerline, Special Serv.                           50% - $
      Most recent appraised value according to                  $
      appraisal in Primary Servicer's possession
      Loan-to-value as if initial underwriting                  %
      Occupancy as of                                           %
      12/31/__ NOI                                              $
      Debt service coverage as of                               x
      --------------------------------------------------------------------

Financial Condition of Proposed Mortgagor/Guarantor:

1.    Explain background and experience of the proposed Mortgagor/principals;
      describe any deficiencies in Mortgagor's ability to meet creditworthiness
      and experience requirements of Loan Documents and compare creditworthiness
      and experience of proposed Mortgagor to that of transferring Mortgagor to
      the extent information about transferring Mortgagor is available.

2.    State date of the financial statement, who prepared, if CPA, state the
      opinion rendered, how assets are valued

3.    Highlight Balance sheet and Income statement

      a.    Describe significant assets (e.g. obtain from proposed Mortgagor and
            Guarantor (as applicable) information about how it values its
            assets)

      b.    Related debt

4.    For public companies that have historical financial information:

      a.    Spread Balance Sheet for minimum of two (2) years (request three (3)
            years, if available)

      b.    Spread and commonsize Income statement for minimum of two (2) years
            (request three (3) years, if available);

5.    Explain results of credit checks, legal searches and banking credit
      references (two required)

6.    If Rating Agency Confirmation is permitted under applicable Loan
      Documents, note if such Confirmation will be sought

7.    Describe whether assigning Mortgagor and/or Guarantors will be released
      from its obligations under the Loan Documents [from and after the date of
      the transfer]. If so, describe extent of release and rationale for it.

Project Status & Description: (See attached Asset Summary, most recent
Inspection Report and most recent rent roll)

1.    Describe any current, material issues regarding the operating status of
the property:

(e.g. issues surrounding current occupancy, anchor tenants, tenant rollover)

Property Financial Summary: (See attached Income and Expense Statements for
Mortgaged Property and year-to-date operating statements)


                                 2 of Appendix 2



New Environmental and Engineering Developments (if any) and Status of Issues
identified in Original Reports or Loan Documents as needing Remediation: (See
attached Asset Summary)

1.    Describe any material issues requiring remediation contained in original
      reports

2.    Describe current status of issue and remediation

Escrow Status:

1.    Explain status of all reserves

Property Management Summary:

1.    Who is proposed property management firm

2.    Background and Experience

Collateral Valuation:

1.    Discuss the original appraisal

      A.    Who prepared

      B.    Attach Executive Summary and discussion of approach to value given
            most weight from most recent appraisal in Primary Servicer's
            possession

2.    Comparison of the following (original to actual property):

      A.    Vacancy

      B.    Rents

      C.    Taxes

      D.    Other Key Expenses

            Current Market Conditions:

            Briefly state material current real estate market dynamics and
economic influences that may affect the operational performance of the property.

Recommendation:

1.    State recommendation for approval.

2.    Highlight strengths and weaknesses. How are weaknesses mitigated? (bullet
      points are fine)


                                 3 of Appendix 2



Request for Special Servicer Consent:

Primary Servicer hereby recommends and requests consent of Special Servicer to
the foregoing Assignment and Assumption.



By: ______________________________________

Title: ___________________________________

Date: ____________________________________

Consent to Assignment & Assumption is given:

CENTERLINE SERVICING INC., acting solely in its capacity as Special Servicer

By: ______________________________________

Title: ___________________________________

Date: ____________________________________


                                 4 of Appendix 2



                  Schedule of Exhibits to Assumption Submission

1.    Financial statements of purchasing entity and any guarantors (audited, if
      available)

2.    Financial statement of selling entity only if available

3.    Bank and /or credit references for transferee

4.    Credit report for principal(s) of the proposed borrowing entity.

5.    Most recent Income & Expense Statement for Mortgaged Property and
      operating statement review

6.    Income & Expense Statement for Mortgaged Property for previous two (2)
      years to the extent available

7.    Most recent Property Inspection report

8.    Original Asset Summary for Mortgaged Property

9.    Purchase and Sale Agreement

10.   If available from Mortgagor, diagram of proposed ownership structure,
      including percentages of ownership

11.   Proposed property management agreement

12.   Description and source of equity being used for the purchase, if available

13.   Most recent Rent Roll

14.   Copy of Promissory Note, Mortgage and any Loan Agreement

15.   Other items as required by the description set forth above


                                 5 of Appendix 2



                                   APPENDIX 3

Additional Lien, Monetary Encumbrance or Mezzanine Financing Submission to
Special Servicer

Mortgagor:

Master Servicer Loan  #:

Primary Servicer Loan #:

Collateral Type:                 (Retail, Industrial, Apartments, Office, etc.)

Address of Property:

Asset Status                              As of (date):
      Principal Balance:                  $
      Unpaid Accrued Interest:            $
      Unpaid Late Fees/other fees:        $
      Tax Escrow Balance:                 $
      Insurance Escrow Balance:           $
      Monthly P+I Payment:                $
      Interest Rate:                      %
      Date Principal Paid To:
      Date Interest Paid To:
      Origination Date:
      Maturity Date:

Executive Summary:

1.    Summarize the transaction

      a.    note deviations from requirements for subordinate/mezzanine
            financing contained in Loan Documents

      b.    if Rating Agency Confirmation is permitted under applicable Loan
            Documents, note if such Confirmation will be sought

2.    State amount and purpose of Lien/Financing

3.    Interest Rate

4.    Amount of Monthly/Periodic Payment (identify if P&I or Interest only)

5.    Identify Subordinate/Mezzanine Lender

      a.    provide any information furnished by Mortgagor regarding proposed
            lender

6.    Collateral pledged or mortgaged as security:

7.    Briefly describe collateral

      a.    Size, occupancy, primary tenants, location

      b.    NOI and DSCR for prior year and, if available, prior two years and
            Pro-forma NOI DSCR

8.    Complete the chart below:


                              Page 1 of Appendix 3



The transaction terms and property characteristics are summarized as follows:

      ------------------------------------------------------------------
      Estimated closing date for financing:
      Administrative fee to Primary Servicer                         $
      Additional Fees, if any                                        $
      (50%: Special Servicer; 10%: Master
      Servicer; 40%: Primary Servicer
      Most recent appraised value according to
      appraisal in Primary Servicer's possession                     $
      Loan-to-value as of initial underwriting                       %
      Occupancy as of                                                %
      12/31/__ NOI                                                   $
      Debt service coverage as of                                    x
      ------------------------------------------------------------------

Project Status & Description: (See attached Asset Summary, most recent
Inspection Report and most recent rent roll)

1.    Describe any current, material issues regarding the operating status of
the property:

(e.g. issues surrounding current occupancy, anchor tenants, tenant rollover)

Property Financial Summary: (See attached most recent Income and Expense
Statement for Mortgaged Property and operating statement review)

Escrow Status:

1.    Explain status of all Reserves

Collateral Valuation:

1.    Discuss the original appraisal

      A.    Who prepared

      B.    Attach Executive Summary and discussion of approach to value given
            most weight from most recent appraisal in Primary Servicer's
            possession

2.    Comparison of the following (original to actual property):

      A.    Vacancy

      B.    Rents

      C.    Taxes

      D.    Other Key Expenses

            Current Market Conditions:

            Briefly state material current real estate market dynamics and
economic influences that may affect the operational performance of the property.

Recommendation:

1.    State recommendation for approval.

2.    Highlight strengths and weaknesses. How are weaknesses mitigated? (bullet
      points are fine)


                                 2 of Appendix 3



Request for Special Servicer Consent:

Primary Servicer hereby recommends and requests consent of Special Servicer to
the foregoing [Subordinate/Mezzanine] Financing.



By: ______________________________________

Title: ___________________________________

Date: ____________________________________

Consent to Additional Lien, Monetary Encumbrance or Mezzanine Financing as
described above is given: CENTERLINE SERVICING INC., acting solely in its
capacity as Special Servicer

By: ______________________________________

Title: ___________________________________

Date: ____________________________________


                                 3 of Appendix 3



Schedule of Exhibits to Additional Lien, Monetary Encumbrance or Mezzanine
Financing Submission

1.    Most recent Income & Expense Statement for property and operating
      statement review

2.    Original Asset Summary for Mortgaged Property

3.    [For Mezzanine financing: If available from Mortgagor, diagram of proposed
      ownership structure, including percentages of ownership]

4.    [For subordinate mortgage: Copy of Subordination/Intercreditor Agreement
      in substantially the form to be executed with subordinate lender]

5.    Copy of Note, Mortgage and any Loan Agreement

6.    Copy of subordinate loan documents in substantially the form to be
      executed

7.    Most recent Rent Roll.

8.    Other items as required by the description set forth above


                                 4 of Appendix 3



                                   APPENDIX 4

                        Lease Summary Submission Package

                                                 Loan # ________________________

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

Borrower Name: _________________________________________________________________

Property Name: _________________________________________________________________

Total Property NRSF (Per Rent Roll): ___________________________________________

Lease Sq. Footage ________ % of Total NRSF
Is Lease A Major Lease Per Loan Docs (Y/N) _____________________________________

--------------------------------------------------------------------------------
                                LEASE INFORMATION
--------------------------------------------------------------------------------

1.    Parties to Lease

      a.    Landlord: __________________________________________________________

      b.    Rent Commencement Date: ____________________________________________

      c.    Tenant: ____________________________________________________________

      d.    Parent Company (if applicable): ____________________________________

      e.    Subtenant and/or Assignee (if applicable): _________________________

      F.    IF YES, IS ORIGINAL TENANT LIABLE? (Y/N) ___________________________

      g.    Guarantor(s): ______________________________________________________

      h.    Tenant financial statements attached: ______________________________

      i.    If not, why: _______________________________________________________

--------------------------------------------------------------------------------
2.    Basic Lease Terms

      a.    Lease Commencement Date: ___________________________________________

      b.    Rent Commencement Date: ____________________________________________

      c.    Lease Expiration: __________________________________________________

      d.    Unexercised Extension Options (Y/N): _______________________________

            -If Yes, # of Options/Term (i.e. 1-3 yrs): _________________________

            -Terms: ____________________________________________________________

      e.    Lease Type (Credit/Form): __________________________________________

      f.    Use of Premises: ___________________________________________________

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


                                   Appendix 4



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

3.    Lease Economic Terms

      a.    Current Base Annual Rent $ _________________________________________

      b.    Scheduled Increases Date/New Annual: _______________________________

      c.    Increases/Option Periods (Date/New Annual Rent/PSF): _______________

      d.    Percentage Rent Clause? Breakpoint: ________________________________

      e.    TI Amortization Component: _________________________________________

      f.    Rent Concessions (enter month): ____________________________________

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

4.    Expense Reimbursement Recoverable From the Lease (Only note those that
      apply):

      a.    Taxes ______________________________________________________________

      b.    Insurance __________________________________________________________

      c.    Management Fees ____________________________________________________

      d.    Utilities __________________________________________________________

      e.    Non-Structural Maintanance/Repair __________________________________

      f.    Contract Services __________________________________________________

      g.    Administrative (% of CAM) __________________________________________

      h.    Professional Fees __________________________________________________

      i.    CAM ________________________________________________________________

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

5.    Options

      a.    Purchase Option (Note Date/Terms): _________________________________

      b.    Right of First Refusal (Note Date/Terms/Reference DOT): ____________
            ____________________________________________________________________

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

6.    Other Information (Only note those that apply):

      a.    Expense Stop Formula _______________________________________________

      b.    Base Year __________________________________________________________

      c.    Security/Other Deposits ____________________________________________

      d.    Tenant Improvement Allowance _______________________________________

            -Above Standard TI's? ______________________________________________

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




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

7.    Compliance

      a.    Lease meets all requirements of the Loan Documents. (Y/N)

            If no, specify _____________________________________________________

      b.    Landlord has complied with all leasing requirements in the Loan
            Documents. (Y/N)

            If no, specify _____________________________________________________

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

8.    Recommendation Request for Master Servicer Consent:

Primary Servicer hereby recommends and requests consent of Master Servicer to
the foregoing Lease Approval.

By: ______________________________________
Title: ___________________________________
Date: ____________________________________

Consent to Lease Approval is given:

Wells Fargo Bank, National Association, acting solely in its capacity as Master
Servicer

By: ______________________________________
Title:____________________________________Date: ________________________________




Exhibits to Lease Summary Submission Package

1.    Borrower's written request

2.    Lease with amendments, if any

3.    Current Rent Roll

4.    Current Operating Statement

5.    Tenant Financial Statement

6.    Applicable provision of Loan Documents