STRUCTURED ASSET MORTGAGE INVESTMENTS II INC.,

                                                   as DEPOSITOR,

                                                        and

                                      WELLS FARGO BANK, NATIONAL ASSOCIATION,

                                                as GRANTOR TRUSTEE

                                              GRANTOR TRUST AGREEMENT

                                            Dated as of August 31, 2007

                          Structured Asset Mortgage Investments II Grantor Trust 2007-AR4
                                Mortgage Pass-Through Certificates, Series 2007-AR4

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                                                       TABLE OF CONTENTS

                                                                                                              Page

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

ARTICLE II            CONVEYANCE OF UNDERLYING CERTIFICATES; ORIGINAL ISSUANCE OF CERTIFICATES...................7

         Section 2.01.         CONVEYANCE OF UNDERLYING CERTIFICATES TO GRANTOR TRUSTEE..........................7

         Section 2.02.         ACCEPTANCE BY GRANTOR TRUSTEE.....................................................8

         Section 2.03.         SWAP AGREEMENT....................................................................8

         Section 2.04.         REPRESENTATIONS AND WARRANTIES CONCERNING THE DEPOSITOR...........................8

ARTICLE III           ACCOUNTS...................................................................................9

         Section 3.01.         GRANTOR TRUST DISTRIBUTION ACCOUNT................................................9

         Section 3.02.         PERMITTED WITHDRAWALS AND TRANSFERS FROM THE GRANTOR TRUST DISTRIBUTION
                               ACCOUNT..........................................................................10

ARTICLE IV            CERTIFICATES..............................................................................10

         Section 4.01.         CERTIFICATES.....................................................................10

         Section 4.02.         REGISTRATION OF TRANSFER AND EXCHANGE OF CERTIFICATES............................12

         Section 4.03.         MUTILATED, DESTROYED, LOST OR STOLEN CERTIFICATES................................14

         Section 4.04.         PERSONS DEEMED OWNERS............................................................14

         Section 4.05.         ERISA RESTRICTIONS...............................................................14

ARTICLE V             PAYMENTS TO CERTIFICATEHOLDERS............................................................15

         Section 5.01.         DISTRIBUTIONS ON THE CERTIFICATES................................................15

         Section 5.02.         ALLOCATION OF LOSSES.............................................................16

         Section 5.03.         PAYMENTS.........................................................................16

         Section 5.04.         STATEMENTS TO CERTIFICATEHOLDERS.................................................17

ARTICLE VI            INDEMNIFICATION...........................................................................17

         Section 6.01.         INDEMNIFICATION OF THE GRANTOR TRUSTEE...........................................17

ARTICLE VII           CONCERNING THE GRANTOR TRUSTEE............................................................18

         Section 7.01.         DUTIES OF THE GRANTOR TRUSTEE....................................................18

         Section 7.02.         CERTAIN MATTERS AFFECTING THE GRANTOR TRUSTEE....................................20

         Section 7.03.         GRANTOR TRUSTEE NOT LIABLE FOR CERTIFICATES OR MORTGAGE LOANS....................21

         Section 7.04.         GRANTOR TRUSTEE MAY OWN CERTIFICATES.............................................21

         Section 7.05.         EXPENSES.........................................................................22

         Section 7.06.         ELIGIBILITY REQUIREMENTS FOR GRANTOR TRUSTEE.....................................22

         Section 7.07.         INSURANCE........................................................................22

         Section 7.08.         RESIGNATION AND REMOVAL OF THE GRANTOR TRUSTEE...................................22

         Section 7.09.         SUCCESSOR GRANTOR TRUSTEE........................................................23

         Section 7.10.         MERGER OR CONSOLIDATION OF GRANTOR TRUSTEE.......................................24

         Section 7.11.         APPOINTMENT OF CO-GRANTOR TRUSTEE OR SEPARATE GRANTOR TRUSTEE....................24

         Section 7.12.         FEDERAL INFORMATION RETURNS AND REPORTS TO CERTIFICATEHOLDERS; GRANTOR
                               TRUST ADMINISTRATION.............................................................25

ARTICLE VIII          TERMINATION...............................................................................28

         Section 8.01.         TERMINATION UPON REPURCHASE BY THE DEPOSITOR OR ITS DESIGNEE OR
                               LIQUIDATION OF THE MORTGAGE LOANS................................................28

ARTICLE IX            MISCELLANEOUS PROVISIONS..................................................................29

         Section 9.01.         INTENT OF PARTIES................................................................29

         Section 9.02.         ACTION UNDER UNDERLYING DOCUMENTS................................................29

         Section 9.03.         AMENDMENT........................................................................29

         Section 9.04.         RECORDATION OF AGREEMENT.........................................................30

         Section 9.05.         LIMITATION ON RIGHTS OF CERTIFICATEHOLDERS.......................................30

         Section 9.06.         ACTS OF CERTIFICATEHOLDERS.......................................................31

         Section 9.07.         GOVERNING LAW....................................................................32

         Section 9.08.         NOTICES..........................................................................32

         Section 9.09.         SEVERABILITY OF PROVISIONS.......................................................33

         Section 9.10.         SUCCESSORS AND ASSIGNS...........................................................33

         Section 9.11.         ARTICLE AND SECTION HEADINGS.....................................................33

         Section 9.12.         COUNTERPARTS.....................................................................33

         Section 9.13.         NOTICE TO RATING AGENCIES........................................................33

         Section 9.14          ENFORCEMENT OF RIGHTS............................................................33

         Section 9.15.         BENEFICIARIES....................................................................33

Exhibit A         FORM OF CERTIFICATES

Exhibit B         COPY OF UNDERLYING CLASS A-4B CERTIFICATE

Exhibit C         FORM OF SWAP AGREEMENT

Exhibit D         UNDERLYING POOLING AND SERVICING AGREEMENT

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                                              GRANTOR TRUST AGREEMENT

         Grantor Trust Agreement,  dated as of August 31, 2007,  between  Structured Asset Mortgage  Investments II
Inc.,  a Delaware  corporation,  as depositor  (the  "Depositor")  and Wells Fargo Bank,  National  Association,  a
national banking association, as grantor trustee (the "Grantor Trustee").

                                               PRELIMINARY STATEMENT

         On the Closing Date, the Depositor will acquire the Underlying  Certificates  (as defined  below).  On the
Closing Date, the Depositor will transfer the Underlying  Certificates and receive the Certificates  evidencing the
entire beneficial ownership interest in the Trust Fund.

         The Grantor  Trustee on behalf of the Trust shall make an election for the assets  constituting  the Trust
Fund to be treated for federal income tax purposes as a grantor trust.

         In consideration of the mutual agreements  herein  contained,  the Depositor and the Grantor Trustee agree
as follows:

                                                     ARTICLE I

                                                    Definitions

         Whenever used in this Agreement,  the following words and phrases,  unless otherwise expressly provided or
unless the context otherwise  requires,  shall have the meanings  specified in this Article.  Capitalized terms not
otherwise  defined herein shall have the meanings  assigned to such terms in the  Underlying  Pooling and Servicing
Agreement.

         Accrued  Certificate  Interest:  For each  Distribution  Date and the  Certificates,  the interest accrued
during the  related  Interest  Accrual  Period at the  Pass-Through  Rate on the  Current  Principal  Amount of the
Certificates  immediately prior to such Distribution Date, less any Underlying  Interest Shortfall allocated to the
Underlying  Certificates  pursuant to the Underlying Pooling and Servicing Agreement.  Interest on the Certificates
shall be calculated on the basis of a 360-day year and the actual  number of days in the related  Interest  Accrual
Period.

         Affiliate:  As to any Person,  any other Person  controlling,  controlled by or under common  control with
such  Person.  "Control"  means  the  power to  direct  the  management  and  policies  of a  Person,  directly  or
indirectly,  whether  through  ownership  of  voting  securities,  by  contract  or  otherwise.   "Controlled"  and
"Controlling"  have meanings  correlative to the foregoing.  The Grantor  Trustee may  conclusively  presume that a
Person is not an  Affiliate  of another  Person  unless a  Responsible  Officer of the  Grantor  Trustee has actual
knowledge to the contrary.

         Agreement:  This Grantor Trust Agreement and all amendments hereof and supplements hereto.

         Available Funds: With respect to each Distribution  Date and the Underlying  Certificates,  the sum of (i)
any payments  received by the Grantor  Trustee with respect to the  Underlying  Certificates  and (ii) any payments
received by the Grantor  Trustee  from or with  respect to the Swap  Counterparty  pursuant to the Swap  Agreement,
following  the payment of amounts to  reimburse  the Grantor  Trustee  for its  reimbursable  expenses as set forth
herein.

         Bankruptcy Code:  The United States Bankruptcy Code, as amended as codified in 11 U.S.C. §§ 101-1330.

         Book-Entry Certificates:  The Certificates.

         Business  Day:  Any day other than (i) a Saturday  or a Sunday,  or (ii) a day on which the New York Stock
Exchange  or  Federal  Reserve  is  closed  or on which  banking  institutions  in the  jurisdiction  in which  the
Underlying  Trustee,  the  Custodian or the Servicer are  authorized  or obligated by law or executive  order to be
closed.

         Certificate:  Any Class A-4B  Certificate  evidencing  a beneficial  ownership  interest in the Trust Fund
signed by the  Grantor  Trustee in  substantially  the form  annexed  hereto as  Exhibit A with the blanks  therein
appropriately completed.

         Certificate  Owner:  Any Person who is the  beneficial  owner of a  Certificate  registered in the name of
DTC or its nominee.

         Certificate Register:  The register maintained pursuant to Section 4.02.

         Certificateholder:  A Holder of a Certificate.

         Class:  With respect to the Certificates, Class A-4B.

         Closing Date:  August 31, 2007.

         Code:  The Internal Revenue Code of 1986, as amended.

         Corporate  Trust Office:  With respect to the Grantor  Trustee and the  presentment  of  Certificates  for
registration  of transfer,  exchange or final payment,  Wells Fargo Bank,  National  Association,  Sixth Street and
Marquette  Avenue,  Minneapolis,  Minnesota  44579,  Attention:  Corporate Trust Group,  Structured  Asset Mortgage
Investments II Grantor Trust 2007-AR4,  and for all other purposes,  P.O. Box 98, Columbia,  Maryland 21046 (or for
overnight  deliveries,  9062 Old Annapolis  Road,  Columbia,  Maryland  21045),  Attention:  Corporate Trust Group,
Structured Asset Mortgage Investments II Grantor Trust 2007-AR4.

         Current  Principal  Amount:  With respect to the  Certificates  as of any  Distribution  Date, the initial
principal  amount of the  Certificates  on the Closing  Date,  reduced by (i) all amounts  allocable  to  principal
previously  distributed with respect to the Certificates and (ii) the principal portion of all Underlying  Realized
Losses  allocated  prior  to  such  Distribution  Date  to the  Certificates  (indirectly  through  the  Underlying
Certificates).

         Cut-Off Date:  August 1, 2007.

         Depositor:  Structured Asset Mortgage  Investments II Inc., a Delaware  corporation,  or its successors in
interest.

         Distribution  Date: The 25th day of any month,  beginning in the month immediately  following the month of
the Closing Date, or, if such 25th day is not a Business Day, the Business Day immediately following.

         DTC:  The Depository Trust Company, the nominee of which is Cede & Co., or any successor thereto.

         DTC Agreement:  The meaning specified in Subsection 4.01(a) hereof.

         DTC Custodian:  The Grantor Trustee, or its successor in interest as custodian for DTC.

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

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

         Fannie Mae:  Fannie Mae (also known as Federal National Mortgage Association) or any successor thereto.

         FDIC:  Federal Deposit Insurance Corporation or any successor thereto.

         Fractional  Undivided  Interest:  With respect to the  Certificates,  the  fractional  undivided  interest
evidenced  by any  Certificate,  the  numerator  of  which  is the  Current  Principal  Amount  allocated  to  such
Certificate and the denominator of which is the aggregate Current Principal Amounts of the Certificates.

         Freddie  Mac:  Freddie Mac (also known as the Federal Home Loan  Mortgage  Corporation)  or any  successor
thereto.

         Grantor Trust  Distribution  Account:  The trust account or accounts  created and  maintained  pursuant to
Section 3.01,  which shall be  denominated  "Wells Fargo Bank,  National  Association,  as Grantor  Trustee for the
benefit of the holders of Structured Asset Mortgage  Investments II Inc.,  Structured Asset Mortgage Investments II
Grantor Trust 2007-AR4, Mortgage Pass-Through Certificates, Series 2007-AR4 - Grantor Trust Distribution Account."

         Grantor Trustee:  Wells Fargo Bank, National  Association,  or its successor in interest, or any successor
grantor trustee appointed as herein provided.

         Holder:  The Person in whose name a Certificate is registered in the  Certificate  Register,  except that,
subject to  Subsections  9.03(b)  and  9.06(e),  solely for the  purpose of giving  any  consent  pursuant  to this
Agreement,  any  Certificate  registered  in the name of the  Depositor  or the  Grantor  Trustee or any  Affiliate
thereof shall be deemed not to be outstanding and the Fractional  Undivided  Interest  evidenced  thereby shall not
be taken into account in determining whether the requisite  percentage of Fractional  Undivided Interests necessary
to effect any such consent has been obtained.

         Indemnified Persons: The Grantor Trustee and their respective  officers,  directors,  agents and employees
and any separate  grantor  trustee or  co-grantor  trustee and their  respective  officers,  directors,  agents and
employees.

         Independent:  When used with respect to any specified  Person,  this term means that such Person (a) is in
fact  independent  of the Depositor and of any Affiliate of the Depositor,  (b) does not have any direct  financial
interest or any material  indirect  financial  interest in the  Depositor or any Affiliate of the Depositor and (c)
is not  connected  with the  Depositor  or any  Affiliate  of the  Depositor  as an  officer,  employee,  promoter,
underwriter, trustee, partner, director or person performing similar functions.

         Interest  Accrual Period:  With respect to the  Certificates,  the period from and including the preceding
Distribution  Date (or, in the case of the first  Distribution  Date,  from the Closing  Date) to and including the
day prior to the current  Distribution  Date. For purposes of clarification,  if the Closing Date occurs in a month
that contains thirty one (31) days, the first Interest Accrual Period shall include the 31st day of such month.

         LIBOR:  LIBOR as determined by the Underlying  Trustee  pursuant to the  Underlying  Pooling and Servicing
Agreement.

         Moody's:  Moody's Investors Service, Inc. or its successor in interest.

         Non-Mortgage  Widely Held Fixed Investment Trust: As such term is defined in Treasury  Regulations section
1.671-5(b)(12) or successor provisions.

         One-Month  LIBOR:  One-Month  LIBOR as determined by the  Underlying  Trustee  pursuant to the  Underlying
Pooling and Servicing Agreement.

         Opinion of Counsel:  A written  opinion of counsel  who is or are  acceptable  to the Grantor  Trustee and
who,  unless  required to be Independent  (an "Opinion of Independent  Counsel"),  may be internal  counsel for the
Depositor.

         Optional Termination Date:  As defined in the Underlying Pooling and Servicing Agreement.

         Pass-Through  Rate:  With  respect  to the  Certificates  and any  Distribution  Date,  the  least  of (i)
One-Month  LIBOR plus the related  Margin (as defined in the  Underlying  Pooling and  Servicing  Agreement),  (ii)
11.50% per annum and (iii) the Net Rate Cap (as defined in the  Underlying  Pooling and  Servicing  Agreement),  in
each case calculated on the basis of a 360-day year and the actual number of days in the related  Interest  Accrual
Period.

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

         Rating Agency:  Each of S&P and Moody's.

         Record Date:  With respect to the  Certificates,  the Business Day preceding the  applicable  Distribution
Date.

         Responsible  Officer:  Any officer  assigned to the  Corporate  Trust Office (or any  successor  thereto),
including any Vice President,  Assistant Vice President,  Trust Officer, any Assistant Secretary, any trust officer
or any other officer of the Grantor Trustee customarily  performing  functions similar to those performed by any of
the above designated officers and having direct responsibility for the administration of this Agreement.

         S&P:  Standard  and Poor's  Rating  Services,  a division  of The  McGraw-Hill  Companies,  Inc.,  and its
successor in interest.

         Swap  Agreement:  The ISDA Master  Agreement  and  related  Confirmation,  dated as of the  Closing  Date,
between the Swap Counterparty and the Grantor Trustee with respect to the Underlying Certificates.

         Swap  Counterparty:  Bear Stearns  Capital Markets Inc., or any successor swap  counterparty  appointed in
accordance with the Swap Agreement.

         Swap Counterparty  Payment:  On each Distribution Date,  amounts due to the Swap Counterparty  pursuant to
the Swap Agreement.

         Trust Fund or Trust:  The corpus of the trust  created by this  Agreement,  consisting  of the  Underlying
Certificates, the Swap Agreement and the other assets described in Section 2.01.

         Underlying  Certificates:  The  Underlying  Class A-4B  Certificates  issued  pursuant  to the  Underlying
Pooling and Servicing Agreement, a copy of which is attached hereto as Exhibit B.

         Underlying  Certificates  Remittance  Report:  The  remittance  report  provided  to  the  Holders  of the
Underlying Certificates in accordance with Section 6.04 of the Underlying Pooling and Servicing Agreement.

         Underlying  Interest  Shortfalls:  Any Underlying  Realized Losses and Net Interest Shortfalls (as defined
in the  Underlying  Pooling and  Servicing  Agreement)  allocated to the  Underlying  Certificates  pursuant to the
Underlying Pooling and Servicing Agreement.

         Underlying  Mortgage  Loans:  The  Mortgage  Loans  deposited  into the  Underlying  Trust  created by the
Underlying Pooling and Servicing Agreement.

         Underlying Pooling and Servicing  Agreement:  The Pooling and Servicing  Agreement dated as of the Closing
Date,  by and among  Structured  Asset  Mortgage  Investments  II Inc., as  depositor,  Wells Fargo Bank,  National
Association, as trustee, and EMC Mortgage Corporation, as servicer and sponsor, attached hereto as Exhibit D.

         Underlying  Realized  Losses:  Any Realized  Losses on the  Mortgage  Loans  allocated  to the  Underlying
Certificates pursuant to the Underlying Pooling and Servicing Agreement.

         Underlying Trust:  The corpus of the trust created by the Underlying Pooling and Servicing Agreement.

         Underlying Trustee:  Wells Fargo Bank, National  Association,  as trustee under the Underlying Pooling and
Servicing  Agreement,  or its  successor  in  interest,  or any  successor  trustee  appointed  as  provided in the
Underlying Pooling and Servicing Agreement.

         Widely  Held  Fixed  Investment  Trust:  As  such  term  is  defined  in  Treasury   Regulations   section
1.671-5(b)(22) or successor provisions.

         Widely Held Fixed Investment Trust Regulations: Treasury Regulations section 1.671-5, as amended.

                                                    ARTICLE II

                                      Conveyance of Underlying Certificates;
                                         Original Issuance of Certificates

         Section 2.01.     CONVEYANCE OF UNDERLYING  CERTIFICATES TO GRANTOR TRUSTEE.  The Depositor,  concurrently
with the execution and delivery hereof,  does hereby transfer,  convey and assign to the Grantor Trustee, in trust,
for the use and  benefit  of the  Certificateholders  and the  Swap  Counterparty,  (i) all the  right,  title  and
interest  of the  Depositor  in and to the  Underlying  Certificates,  (ii)  all  distributions  on the  Underlying
Certificates after the Closing Date and (iii) all other assets constituting the Trust Fund.

         In connection with such transfer and  assignment,  the Depositor is causing the delivery of the Underlying
Certificates to the Grantor Trustee.

         It is intended by the Depositor that the conveyance of the  Depositor's  right,  title and interest in and
to the Underlying  Certificates  and all other assets  constituting the Trust Fund pursuant to this Agreement shall
constitute,  and  be  construed  as,  an  absolute  sale  of the  Underlying  Certificates  and  the  other  assets
constituting  the Trust Fund by the  Depositor  to the Grantor  Trustee for the benefit of the  Certificateholders.
Furthermore,  it is not  intended  by the  Depositor  that such  conveyance  be  deemed a pledge of the  Underlying
Certificates  and the other assets  constituting the Trust Fund by the Depositor to the Grantor Trustee to secure a
debt or other  obligation  of the  Depositor.  However,  in the  event  that,  notwithstanding  the  intent  of the
parties,  the Underlying  Certificates and the other assets constituting the Trust Fund are held to be the property
of the  Depositor,  or if for any other reason this  Agreement  is held or deemed to create a security  interest in
the  Underlying  Certificates  and the  other  assets  constituting  the Trust  Fund,  then it is  intended  by the
Depositor as follows:  (a) this  Agreement  shall also be deemed to be a security  agreement  within the meaning of
Articles 8 and 9 of the Uniform  Commercial  Code; (b) the conveyance  provided for in this Section shall be deemed
to be a grant by the  Depositor  to the Grantor  Trustee of a security  interest in all of the  Depositor's  right,
title  and  interest  in and to the  Underlying  Certificates,  and  all  amounts  payable  to the  holders  of the
Underlying Certificates and all proceeds of the conversion,  voluntary or involuntary,  of the foregoing into cash,
instruments,  securities or other  property,  including  without  limitation  all amounts from time to time held or
invested in the Grantor Trust Distribution Account,  whether in the form of cash, instruments,  securities or other
property;  (c) the  possession  by the Grantor  Trustee (or its agent,  providing  that the agent  authenticates  a
record  acknowledging  that  it  holds  possession  for the  benefit  of the  Grantor  Trustee)  of the  Underlying
Certificates and such other items of property as constitute  instruments,  money,  negotiable  documents or chattel
paper shall be deemed to be  "possession  by the secured  party" for purposes of perfecting  the security  interest
pursuant to Section 9-313 of the Uniform  Commercial Code; and (d)  notifications to persons holding such property,
and  acknowledgments,  receipts  or  confirmations  from  persons  holding  such  property,  shall be  deemed to be
notifications to or acknowledgments,  receipts or confirmations from, financial  intermediaries,  bailees or agents
(as applicable) of the Grantor Trustee for the purpose of perfecting such security  interest under  applicable law.
It is also intended  that the Trust Fund be classified  (for Federal tax purposes) as a grantor trust under subpart
E, part I of subchapter J of chapter 1 of the Code, of which the  Certificateholders  are owners, rather than as an
association  taxable as a corporation.  The powers granted and  obligations  undertaken in this Agreement  shall be
construed so as to further such intent.

         Section 2.02.     ACCEPTANCE BY GRANTOR  TRUSTEE.  The Grantor Trustee hereby  acknowledges the receipt by
it of the Underlying  Certificates  and declares that it holds and will hold such Underlying  Certificates  and all
other  assets and  documents  included  in the Trust  Fund,  in trust,  upon the trusts  herein set forth,  for the
exclusive  use and  benefit of all  present  and future  Certificateholders  in  accordance  with the terms of this
Agreement.

         Section 2.03.     SWAP  AGREEMENT.  On the Closing  Date,  the Grantor  Trustee  shall enter into the Swap
Agreement with the Swap Counterparty.

         Section 2.04.     REPRESENTATIONS   AND  WARRANTIES   CONCERNING  THE  DEPOSITOR.   The  Depositor  hereby
represents and warrants to the Grantor Trustee as follows:

                  (i)      the  Depositor  (a) is a  corporation  duly  organized,  validly  existing  and in  good
         standing  under the laws of the State of Delaware and (b) is qualified  and in good  standing as a foreign
         corporation to do business in each jurisdiction  where such  qualification is necessary,  except where the
         failure  so to  qualify  would  not  reasonably  be  expected  to have a  material  adverse  effect on the
         Depositor's  business as presently  conducted or on the  Depositor's  ability to enter into this Agreement
         and to consummate the transactions contemplated hereby;

                  (ii)     the Depositor  has full  corporate  power to own its property,  to carry on its business
         as presently conducted and to enter into and perform its obligations under this Agreement;

                  (iii)    the  execution  and  delivery  by  the  Depositor  of  this  Agreement  have  been  duly
         authorized by all necessary  corporate action on the part of the Depositor;  and neither the execution and
         delivery of this Agreement,  nor the consummation of the transactions herein contemplated,  nor compliance
         with the  provisions  hereof,  will conflict with or result in a breach of, or constitute a default under,
         any of the provisions of any law,  governmental  rule,  regulation,  judgment,  decree or order binding on
         the  Depositor or its  properties or the articles of  incorporation  or by-laws of the  Depositor,  except
         those  conflicts,  breaches or defaults which would not reasonably be expected to have a material  adverse
         effect on the  Depositor's  ability  to enter  into this  Agreement  and to  consummate  the  transactions
         contemplated hereby;

                  (iv)     the  execution,  delivery and  performance  by the  Depositor of this  Agreement and the
         consummation  of the  transactions  contemplated  hereby do not require  the  consent or approval  of, the
         giving of notice to, the  registration  with,  or the taking of any other action in respect of, any state,
         federal  or  other  governmental  authority  or  agency,  except  those  consents,   approvals,   notices,
         registrations or other actions as have already been obtained, given or made;

                  (v)      this Agreement has been duly executed and delivered by the Depositor  and,  assuming due
         authorization,  execution  and  delivery  by the other  parties  hereto,  constitutes  a valid and binding
         obligation of the Depositor  enforceable  against it in accordance  with its terms  (subject to applicable
         bankruptcy  and  insolvency  laws and other  similar  laws  affecting  the  enforcement  of the  rights of
         creditors generally);

                  (vi)     there  are no  actions,  suits  or  proceedings  pending  or,  to the  knowledge  of the
         Depositor,  threatened against the Depositor,  before or by any court,  administrative agency,  arbitrator
         or  governmental  body  (i) with  respect to any of the  transactions  contemplated  by this  Agreement or
         (ii) with respect to any other matter which in the judgment of the Depositor will be determined  adversely
         to the Depositor and will if determined  adversely to the Depositor  materially  and adversely  affect the
         Depositor's  ability to enter into this Agreement or perform its  obligations  under this  Agreement;  and
         the  Depositor  is not in  default  with  respect  to any  order  of  any  court,  administrative  agency,
         arbitrator or governmental  body so as to materially and adversely  affect the  transactions  contemplated
         by this Agreement; and

                  (vii)    immediately  prior  to  the  transfer  and  assignment  to  the  Grantor  Trustee,  each
         Underlying  Certificate  was not  subject to an  assignment  or  pledge,  and the  Depositor  had good and
         marketable  title  to and was the sole  owner  thereof  and had  full  right  to  transfer  and sell  such
         Underlying  Certificate to the Grantor Trustee free and clear of any encumbrance,  equity,  lien,  pledge,
         charge, claim or security interest.

                                                    ARTICLE III

                                                     Accounts

         Section 3.01.     GRANTOR TRUST DISTRIBUTION ACCOUNT.

         (a)      The Grantor  Trustee  shall  establish and maintain in the name of the Grantor  Trustee,  for the
benefit of the  Certificateholders,  the  Grantor  Trust  Distribution  Account as a  segregated  trust  account or
accounts.  The Grantor  Trustee  will  deposit in the Grantor  Trust  Distribution  Account any amounts paid to the
Grantor  Trust  by the  Underlying  Trust  to or  with  respect  to the  Underlying  Certificates  pursuant  to the
Underlying  Pooling  and  Servicing  Agreement  and any  amounts  paid to the  Grantor  Trust  pursuant to the Swap
Agreement.

         (b)      All amounts  deposited to the Grantor  Trust  Distribution  Account  shall be held by the Grantor
Trustee in the name of the Grantor  Trustee in trust for the benefit of the  Certificateholders  in accordance with
the terms and provisions of this Agreement.

         (c)      The  Grantor  Trust  Distribution  Account  shall  constitute  a trust  account of the Trust Fund
segregated  on the books of the Grantor  Trustee and held by the Grantor  Trustee in trust in its  Corporate  Trust
Office,  and the Grantor Trust  Distribution  Account and the funds deposited  therein shall not be subject to, and
shall be protected  from,  all claims,  liens,  and  encumbrances  of any  creditors or  depositors  of the Grantor
Trustee  (whether made  directly,  or  indirectly  through a liquidator  or receiver of the Grantor  Trustee).  The
amount at any time credited to the Grantor Trust Distribution Account shall be uninvested.

         Section 3.02.     PERMITTED WITHDRAWALS AND TRANSFERS FROM THE GRANTOR TRUST DISTRIBUTION ACCOUNT.

         (a)      The Grantor Trustee may clear and terminate the Grantor Trust  Distribution  Account  pursuant to
Section  8.01(d)  and remove  amounts  from time to time  deposited  in error into the Grantor  Trust  Distribution
Account.

         (b)      On an ongoing  basis,  the Grantor  Trustee shall  withdraw  from the Grantor Trust  Distribution
Account any expenses,  disbursements  and advances  recoverable by the Grantor Trustee pursuant to Section 7.05 and
any amounts payable as indemnification pursuant to Section 6.01.

         (c)      On each  Distribution  Date, the Grantor Trustee shall pay the amount  distributable  to the Swap
Counterparty  and the Holders of the  Certificates  in  accordance  with Section 5.01 from  Available  Funds in the
Grantor Trust Distribution Account.

                                                    ARTICLE IV

                                                   Certificates

         Section 4.01.     CERTIFICATES.

         (a)      DTC, the Depositor and the Grantor  Trustee have entered into a Depository  Agreement dated as of
August 31, 2007 (the "DTC  Agreement").  The Certificates  shall at all times remain  registered in the name of DTC
or its nominee and at all times:  (i)  registration  of such  Certificates  may not be  transferred  by the Grantor
Trustee  except to a successor to DTC; (ii) ownership and transfers of  registration  of such  Certificates  on the
books of DTC shall be  governed  by  applicable  rules  established  by DTC;  (iii) DTC may  collect  its usual and
customary  fees,  charges and expenses from its DTC  Participants;  (iv) the Grantor Trustee shall deal with DTC as
representative  of the Certificate  Owners for purposes of exercising the rights of  Certificateholders  under this
Agreement,  and  requests  and  directions  for,  and  votes  of,  such  representative  shall  not be deemed to be
inconsistent if they are made with respect to different  Certificate  Owners;  and (v) the Grantor Trustee may rely
and shall be fully protected in relying upon information furnished by DTC with respect to its DTC Participants.

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

         (b)      If (i)(A) the Depositor  advises the Grantor  Trustee in writing that DTC is no longer willing or
able to  properly  discharge  its  responsibilities  under the DTC  Agreement  and (B) the  Grantor  Trustee or the
Depositor is unable to locate a qualified  successor  within 30 days thereafter or (ii) the Depositor at its option
advises the Grantor  Trustee in writing that it elects to terminate the book-entry  system through DTC, the Grantor
Trustee  shall  request  that DTC  notify all  Certificate  Owners of the  occurrence  of any such event and of the
availability  of definitive,  fully  registered  Certificates  to  Certificate  Owners  requesting  the same.  Upon
surrender to the Grantor Trustee of the  Certificates by DTC,  accompanied by  registration  instructions  from DTC
for registration,  the Grantor Trustee shall issue and sign the definitive  Certificates.  Neither of the Depositor
nor the Grantor Trustee shall be liable for any delay in delivery of such  instructions and may  conclusively  rely
on, and shall be protected in relying on, such instructions.

         (c)      The Certificates shall have the following designation and initial principal amount:

                  Designation                                 Initial Principal Amount
                  __________________________________________________________________________________________

                  A-4B                                        $100,000,000
                  __________________________________________________________________________________________

         The Certificates shall have the Pass-Through Rate as defined herein.

         (d)      With  respect to each  Distribution  Date,  the  Certificates  shall accrue  interest  during the
related  Interest Accrual Period.  Interest on the Certificates  shall be calculated on the basis of a 360-day year
and the actual number of days in the related  Interest Accrual Period,  based upon the Pass-Through  Rate set forth
herein and the Current Principal Amount of the Certificates applicable to such Distribution Date.

         (e)      The  Certificates  shall be  substantially  in the  form set  forth  in  Exhibit  A. On  original
issuance,  the Grantor Trustee shall sign the  Certificates  and shall deliver the Certificates at the direction of
the  Depositor.  Pending  the  preparation  of  definitive  Certificates,  the Grantor  Trustee may sign  temporary
Certificates  that are printed,  lithographed or typewritten,  in authorized  denominations,  substantially  of the
tenor of the  definitive  Certificates  in lieu of which  they are  issued  and with such  appropriate  insertions,
omissions,   substitutions  and  other  variations  as  the  officers  or  authorized  signatories  executing  such
Certificates may determine,  as evidenced by their execution of such  Certificates.  If temporary  Certificates are
issued,  the Depositor will cause definitive  Certificates to be prepared  without  unreasonable  delay.  After the
preparation  of  definitive  Certificates,   the  temporary  Certificates  shall  be  exchangeable  for  definitive
Certificates upon surrender of the temporary  Certificates at the office of the Grantor Trustee,  without charge to
the Holder.  Upon surrender for cancellation of any one or more temporary  Certificates,  the Grantor Trustee shall
sign and shall deliver in exchange therefor,  a like aggregate  principal amount, in authorized  denominations,  of
definitive  Certificates.  Until so exchanged,  such  temporary  Certificates  shall in all respects be entitled to
the same benefits as definitive Certificates.

         (f)      The Book-Entry  Certificates will be registered as a single  Certificate held by a nominee of DTC
or the DTC Custodian,  and beneficial interests will be held by investors through the book-entry  facilities of DTC
in minimum  denominations  of $1,000 and  increments of $1.00 in excess  thereof.  On the Closing Date, the Grantor
Trustee shall execute the  Certificate  in the entire Current  Principal  Amount of the  Certificates.  The Grantor
Trustee shall sign the  Certificates  by facsimile or manual  signature on behalf of the Grantor  Trustee by one of
its  authorized  signatories,  who  shall  be a  Responsible  Officer  of  the  Grantor  Trustee  or its  agent.  A
Certificate  bearing the manual or facsimile  signature of an  individual  who was an  authorized  signatory of the
Grantor  Trustee or its agent at the time of issuance  shall bind the Grantor  Trustee,  notwithstanding  that such
individual has ceased to hold such position prior to the delivery of such Certificate.

         (g)      No  Certificate  shall be  entitled  to any  benefit  under this  Agreement,  or be valid for any
purpose,  unless there appears on such Certificate the manually executed  signature of the Grantor Trustee,  or its
agent,  and such signature upon any  Certificate  shall be conclusive  evidence,  and the only evidence,  that such
Certificate has been duly executed and delivered  hereunder.  All Certificates  issued on the Closing Date shall be
dated the Closing Date.  All Certificates issued thereafter shall be dated the date of their signature.

         Section 4.02.     REGISTRATION OF TRANSFER AND EXCHANGE OF CERTIFICATES.

         (a)      The Grantor  Trustee  shall  maintain at its  Corporate  Trust Office a  Certificate  Register in
which,  subject to such  reasonable  regulations  as it may  prescribe,  the Grantor  Trustee shall provide for the
registration of Certificates and of transfers and exchanges of Certificates as herein provided.

         (b)      Subject to Subsection  4.01(a),  upon surrender for  registration  of transfer of any Certificate
at any office or agency of the Grantor  Trustee  maintained  for such purpose,  the Grantor  Trustee shall sign and
shall  deliver,  in the name of the designated  transferee or  transferees,  a new  Certificate of a like aggregate
Fractional Undivided Interest, but bearing a different number.

         (c)      At the option of the  Certificateholders,  Certificates  may be exchanged for other  Certificates
of authorized  denominations of a like aggregate Fractional Undivided Interest,  upon surrender of the Certificates
to be exchanged at any such office or agency;  provided,  however,  that no  Certificate  may be exchanged  for new
Certificates unless the original Fractional  Undivided Interest  represented by each such new Certificate (i) is at
least equal to the minimum  authorized  denomination  or (ii) is  acceptable  to the  Depositor as indicated to the
Grantor Trustee in writing.  Whenever any Certificates  are so surrendered for exchange,  the Grantor Trustee shall
sign and deliver the Certificates which the Certificateholder making the exchange is entitled to receive.

         (d)      If the Grantor Trustee so requires,  every  Certificate  presented or surrendered for transfer or
exchange  shall be duly  endorsed by, or be  accompanied  by a written  instrument  of  transfer,  with a signature
guarantee,  in form  satisfactory  to the  Grantor  Trustee,  duly  executed  by the  holder  thereof or his or her
attorney duly authorized in writing.

         (e)      No service  charge  shall be made for any transfer or exchange of  Certificates,  but the Grantor
Trustee may require  payment of a sum  sufficient  to cover any tax or  governmental  charge that may be imposed in
connection with any transfer or exchange of Certificates.

         (f)      The Grantor  Trustee  shall  cancel all  Certificates  surrendered  for  transfer or exchange but
shall retain such  Certificates  in accordance  with its standard  retention  policy or for such further time as is
required by the record retention  requirements of the Securities  Exchange Act of 1934, as amended,  and thereafter
may destroy such Certificates.

         (g)      The  following  legend shall be placed on the  Certificates,  whether upon  original  issuance or
upon issuance of any other Certificate in exchange therefor or upon transfer thereof:

         THIS  CERTIFICATE  MAY NOT BE ACQUIRED  DIRECTLY OR  INDIRECTLY  BY, OR ON BEHALF OF, AN EMPLOYEE  BENEFIT
         PLAN OR OTHER  RETIREMENT  ARRANGEMENT  WHICH IS  SUBJECT  TO TITLE I OF THE  EMPLOYEE  RETIREMENT  INCOME
         SECURITY ACT OF 1974, AS AMENDED  ("ERISA"),  AND/OR SECTION 4975 OF THE INTERNAL REVENUE CODE OF 1986, AS
         AMENDED,  UNLESS  THE  PURCHASE  OF THE  CERTIFICATES  ON  BEHALF  OF SUCH  PERSON  WILL NOT  RESULT IN OR
         CONSTITUTE A NON-EXEMPT  PROHIBITED  TRANSACTION  UNDER ERISA OR SECTION 4975 OF THE CODE, IS  PERMISSIBLE
         UNDER  APPLICABLE  LAW AND  WILL NOT  GIVE  RISE TO ANY  OBLIGATIONS  ON THE  PART OF THE  DEPOSITOR,  THE
         SERVICER,  THE UNDERLYING  TRUSTEE OR THE GRANTOR  TRUSTEE IN ADDITION TO THOSE  OBLIGATIONS  SET FORTH IN
         THE UNDERLYING POOLING AND SERVICING AGREEMENT.

         ANY PERSON  ACQUIRING AN INTEREST IN A CERTIFICATE,  BY ACQUISITION OF SUCH  CERTIFICATE,  SHALL BE DEEMED
         TO HAVE  REPRESENTED  TO THE GRANTOR  TRUSTEE  THAT  EITHER:  (I) IT IS NOT  ACQUIRING AN INTEREST IN SUCH
         CERTIFICATE  DIRECTLY OR  INDIRECTLY  BY, OR ON BEHALF OF, AN EMPLOYEE  BENEFIT  PLAN OR OTHER  RETIREMENT
         ARRANGEMENT  WHICH IS SUBJECT TO TITLE I OF ERISA AND/OR  SECTION  4975 OF THE CODE,  OR (II) THE TRANSFER
         AND/OR  HOLDING  OF AN  INTEREST  IN  SUCH  CERTIFICATE  TO THAT  PERSON  AND  THE  SUBSEQUENT  SERVICING,
         MANAGEMENT  AND/OR  OPERATION  OF THE  TRUST  AND ITS  ASSETS:  (I)  WILL  NOT  RESULT  IN ANY  PROHIBITED
         TRANSACTION  WHICH IS NOT COVERED UNDER A STATUTORY OR AN  ADMINISTRATIVE  INDIVIDUAL OR CLASS  PROHIBITED
         TRANSACTION  EXEMPTION  ("PTE"),  INCLUDING,  BUT NOT LIMITED TO, SECTION  408(B)(17) OF ERISA, PTE 84-14,
         PTE 90-1,  PTE 91-38,  PTE 95-60 OR PTE 96-23 AND (II) WILL NOT SUBJECT THE DEPOSITOR,  THE SERVICER,  THE
         UNDERLYING  TRUSTEE OR THE  GRANTOR  TRUSTEE TO ANY  OBLIGATION  IN ADDITION  TO THOSE  UNDERTAKEN  IN THE
         UNDERLYING  POOLING  AND  SERVICING  AGREEMENT.  THE  GRANTOR  TRUSTEE  WILL NOT BE  REQUIRED  TO MONITOR,
         DETERMINE OR INQUIRE AS TO COMPLIANCE WITH THE FOREGOING  TRANSFER  RESTRICTIONS  AND NONE OF SUCH PERSONS
         SHALL HAVE ANY  LIABILITY  FOR THE  TRANSFER  OF ANY  BOOK-ENTRY  CERTIFICATES  MADE IN  VIOLATION  OF THE
         TRANSFER RESTRICTIONS SET FORTH IN THE GRANTOR TRUST AGREEMENT.

         Section 4.03.     MUTILATED, DESTROYED, LOST OR STOLEN CERTIFICATES.

         (a)      If (i) any mutilated  Certificate is surrendered to the Grantor  Trustee,  or the Grantor Trustee
receives  evidence to its  satisfaction of the  destruction,  loss or theft of any  Certificate,  and (ii) there is
delivered to the Grantor  Trustee such  security or indemnity as it may require to save it harmless,  and (iii) the
Grantor  Trustee has not received  notice that such  Certificate  has been acquired by a third Person,  the Grantor
Trustee  shall sign and  deliver,  in  exchange  for or in lieu of any such  mutilated,  destroyed,  lost or stolen
Certificate,  a new  Certificate  of like  tenor and  Fractional  Undivided  Interest  but in each  case  bearing a
different number.  The mutilated,  destroyed,  lost or stolen  Certificate shall thereupon be canceled of record by
the Grantor Trustee and shall be of no further effect and evidence no rights.

         (b)      Upon the issuance of any new  Certificate  under this Section  4.03,  the Grantor may require the
payment of a sum sufficient to cover any tax or other  governmental  charge that may be imposed in relation thereto
and any  other  expenses  (including  the fees and  expenses  of the  Grantor  Trustee)  connected  therewith.  Any
duplicate  Certificate issued pursuant to this Section 4.03 shall constitute complete and indefeasible  evidence of
ownership in the Trust Fund,  as if originally  issued,  whether or not the lost,  stolen or destroyed  Certificate
shall be found at any time.

         Section 4.04.     PERSONS DEEMED OWNERS.  Prior to due  presentation of a Certificate for  registration of
transfer,  the Depositor,  the Grantor  Trustee and any agent of the Depositor or the Grantor Trustee may treat the
Person in whose name any  Certificate is registered as the owner of such  Certificate  for the purpose of receiving
distributions  pursuant to Section 5.01 and for all other purposes whatsoever.  Neither the Depositor,  the Grantor
Trustee,  nor any agent of the Depositor or the Grantor  Trustee  shall be affected by notice to the  contrary.  No
Certificate  shall be deemed duly presented for a transfer  effective on any Record Date unless the  Certificate to
be  transferred  is presented no later than the close of business on the third  Business Day preceding  such Record
Date.

         Section 4.05.     ERISA RESTRICTIONS.

         (a)      Subject to the  provisions  of  subsection  (b),  no  Certificates  may be  acquired  directly or
indirectly  by, or on behalf of, an  employee  benefit  plan or other  retirement  arrangement  which is subject to
Title I of ERISA and/or Section 4975 of the Code (each, a "Plan"),  unless the purchase of such  Certificates by or
on  behalf of such  Plan is  permissible  under  applicable  law,  will not  constitute  or result in a  non-exempt
prohibited  transaction  under ERISA or Section 4975 of the Code and will not subject the Depositor,  the Servicer,
the Underlying  Trustee or the Grantor Trustee to any obligation in addition to those  undertaken in the Underlying
Pooling and Servicing Agreement.

         (b)      Any Person acquiring an interest in a Certificate,  by acquisition of such Certificate,  shall be
deemed to have  represented  to the  Grantor  Trustee  that  either:  (i) it is not  acquiring  an interest in such
Certificate  directly or indirectly by, or on behalf of, an employee benefit plan or other  retirement  arrangement
which is subject to Title I of ERISA and/or  Section 4975 of the Code,  or (ii) the transfer  and/or  holding of an
interest in such  Certificate  to that Person and the  subsequent  servicing,  management  and/or  operation of the
Trust and its assets:  (I) will not result in any prohibited  transaction which is not covered under a statutory or
an administrative  individual or class prohibited  transaction  exemption ("PTE"),  including,  but not limited to,
Section  408(b)(17) of ERISA,  PTE 84-14, PTE 90-1, PTE 91-38, PTE 95-60 or PTE 96-23 and (II) will not subject the
Depositor,  the Servicer,  the  Underlying  Trustee or the Grantor  Trustee to any  obligation in addition to those
undertaken  in the  Underlying  Pooling  and  Servicing  Agreement.  The  Grantor  Trustee  will not be required to
monitor,  determine or inquire as to compliance with the foregoing  transfer  restrictions and none of such Persons
shall have any  liability  for the  transfer of any  Book-Entry  Certificates  made in  violation  of the  transfer
restrictions set forth herein.

                                                     ARTICLE V

                                          Payments to Certificateholders

         Section 5.01.     DISTRIBUTIONS ON THE CERTIFICATES.

         (a)      Interest and  principal on the  Certificates  will be  distributed  monthly on each  Distribution
Date,  commencing in September  2007, in an aggregate  amount equal to the  Available  Funds for such  Distribution
Date.

         On each Distribution Date, the Available Funds shall be distributed as follows:

                  (i)      FIRST,  to the Swap  Counterparty,  the Swap  Counterparty  Payment (if any) and certain
         termination  payments (as set forth in the Swap  Agreement),  if applicable,  for such  Distribution  Date
         (other than where the Swap Counterparty is the sole defaulting or sole affected party);

                  (ii)     SECOND,  to the extent of remaining  Available Funds, to the  Certificates,  the Accrued
         Certificate Interest for such Distribution Date;

                  (iii)    THIRD, to the extent of remaining  Available Funds, to the  Certificates,  any principal
         distributions  received from the Underlying  Certificates,  in reduction of the Current  Principal  Amount
         thereof, until the Current Principal Amount thereof has been reduced to zero; and

                  (iv)     FOURTH,  to the extent of  remaining  Available  Funds,  to the Swap  Counterparty,  any
         termination  payments  (as set  forth in the Swap  Agreement)  where  the  Swap  Counterparty  is the sole
         defaulting or sole affected party.

         (b)      No Accrued  Certificate  Interest  will be payable  with  respect to the  Certificates  after the
Distribution Date on which the Current Principal Amount of the Certificates has been reduced to zero.

         Section 5.02.     ALLOCATION OF LOSSES.

         (a)      On or prior to each  Determination  Date,  the Grantor  Trustee,  based  solely upon  information
provided to it and calculations with respect thereto  conducted by the Underlying  Trustee pursuant to Section 6.04
of the Underlying  Pooling and Servicing  Agreement,  shall determine the amount of any Underlying  Realized Losses
on the Mortgage Loans to be allocated to the Underlying Certificates (and, correspondingly, to the Certificates).

         (b)      With  respect  to the  Certificates  on any  Distribution  Date,  the  principal  portion  of the
Underlying  Realized Loss allocated to the Underlying  Certificates  (and,  correspondingly,  to such Certificates)
shall be allocated to the  Certificates,  until the Current  Principal  Amount of the Certificates has been reduced
to zero.

         Section 5.03.     PAYMENTS.

         (a)      On each  Distribution  Date,  other than the final  Distribution  Date, the Grantor Trustee shall
distribute to each  Certificateholder of record on the directly preceding Record Date the  Certificateholder's  pro
rata share (based on the aggregate  Fractional  Undivided  Interest  represented by such Holder's  Certificates) of
all amounts required to be distributed on such Distribution  Date to the Certificates,  based solely on information
provided to the Grantor Trustee and calculations with respect thereto  conducted by the Underlying  Trustee and the
Swap  Counterparty.  The  Grantor  Trustee  shall  not be  required  to  confirm,  verify  or  recompute  any  such
information but shall be entitled to rely conclusively on such information.

         (b)      Payment  of the above  amounts  to each  Certificateholder  shall be made (i) by check  mailed to
each  Certificateholder  entitled thereto at the address appearing in the Certificate Register or (ii) upon receipt
by the Grantor  Trustee,  on or before the fifth  Business  Day  preceding  the  related  Record  Date,  of written
instructions from a  Certificateholder,  by wire transfer to a United States dollar account maintained by the payee
at any United States  depository  institution  with  appropriate  facilities  for receiving  such a wire  transfer;
provided,  however,  that the final payment in respect of the Certificates  will be made only upon presentation and
surrender of such respective  Certificates  at the office or agency of the Grantor Trustee  specified in the notice
to Certificateholders of such final payment.

         Section 5.04.     STATEMENTS TO CERTIFICATEHOLDERS.

         (a)      Concurrently  with each  distribution  to  Certificateholders,  the  Grantor  Trustee  shall make
available via the Grantor  Trustee's  internet website as set forth below,  all of the information  provided to the
Grantor  Trustee with respect to the Underlying  Certificates  pursuant to Section 6.04 of the  Underlying  Pooling
and Servicing Agreement.

         The Grantor  Trustee may make available  each month,  to any interested  party,  the monthly  statement to
Certificateholders  via the Grantor Trustee's website  initially  located at  www.ctslink.com.  Assistance in using
the website can be obtained by calling the Grantor  Trustee's  customer  service  desk at (866)  846-4526.  Parties
that are unable to use the above  distribution  option are  entitled  to have a paper copy mailed to them via first
class mail by calling the customer  service desk and indicating  such. The Grantor  Trustee shall have the right to
change the way such  reports  are  distributed  in order to make such  distribution  more  convenient  and/or  more
accessible to the parties,  and the Grantor Trustee shall provide timely and adequate  written  notification to all
parties regarding any such change.

         (b)      Within a reasonable  period of time after the end of the preceding  calendar  year,  beginning in
2008,  the Grantor  Trustee  will  furnish  such report to each  Holder of the  Certificates  of record at any time
during the prior calendar year as to the aggregate of amounts  reported  pursuant to subclauses  (a)(i) and (a)(ii)
of Section 6.04 of the  Underlying  Pooling and Servicing  Agreement with respect to the  Certificates,  and at the
request of the Holders,  any other  amounts  which would enable such Holders to prepare  their tax returns for such
calendar  year.  Such  obligations  shall be  deemed  to have  been  satisfied  to the  extent  that  substantially
comparable  information  shall be provided by the Grantor Trustee to such Holders  pursuant to the  requirements of
the Code.

                                                    ARTICLE VI

                                                  Indemnification

         Section 6.01.     INDEMNIFICATION  OF THE GRANTOR  TRUSTEE.  The Trust  shall  indemnify  the  Indemnified
Persons for, and will hold them harmless against,  any loss,  liability or expense incurred on their part,  arising
out of, or in connection  with, this Agreement,  the Swap Agreement and the  Certificates,  including the costs and
expenses (including  reasonable legal fees and expenses) of defending  themselves against any such claim other than
(i) any loss,  liability  or expense  related to such  Indemnified  Person's  failure to perform  such  Indemnified
Person's duties in strict  compliance with this Agreement  (except as any such loss,  liability or expense shall be
otherwise  reimbursable  pursuant to this Agreement) and (ii) any loss,  liability or expense incurred by reason of
such Indemnified  Person's willful  misfeasance,  bad faith or negligence in the performance or  non-performance of
duties  hereunder  or by  reason  of such  Indemnified  Person's  reckless  disregard  of  obligations  and  duties
hereunder.  Any amounts  payable to an Indemnified  Person as set forth herein shall be paid by the Grantor Trustee
to such  Indemnified  Person  from the  Grantor  Trust  Distribution  Account.  This  indemnity  shall  survive the
resignation or removal of the Grantor Trustee and the termination of this Agreement.

                                                    ARTICLE VII

                                          Concerning the Grantor Trustee

         Section 7.01.     DUTIES OF THE GRANTOR TRUSTEE.

         (a)      The Grantor  Trustee  undertakes to perform such duties and only such duties as are  specifically
set forth in this Agreement as duties of the Grantor Trustee.

         (b)      Upon receipt of all resolutions,  certificates,  statements, opinions, reports, documents, orders
or other  instruments  which are  specifically  required to be  furnished  to the Grantor  Trustee  pursuant to any
provision of this  Agreement,  the Grantor  Trustee  shall  examine them to determine  whether they are in the form
required by this Agreement;  provided,  however, that the Grantor Trustee shall not be responsible for the accuracy
or verification of any calculation provided to it pursuant to this Agreement.

         (c)      On each  Distribution  Date, the Grantor Trustee shall make monthly  distributions  and the final
distribution to the  Certificateholders  from Available Funds in the Grantor Trust Distribution Account as provided
in Section 5.01 herein based on a report prepared by the Underlying Trustee with respect to such distributions.

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

                  (i)      The duties and  obligations  of the Grantor  Trustee shall be  determined  solely by the
         express  provisions of this Agreement,  the Grantor Trustee shall not be liable except for the performance
         of its duties and obligations as are  specifically  set forth in this Agreement,  no implied  covenants or
         obligations  shall be read into this  Agreement  against  the Grantor  Trustee  and, in the absence of bad
         faith on the part of the Grantor Trustee,  the Grantor Trustee may  conclusively  rely, as to the truth of
         the statements and the correctness of the opinions  expressed  therein,  upon any certificates or opinions
         furnished to the Grantor Trustee and conforming to the requirements of this Agreement;

                  (ii)     The  Grantor  Trustee  shall not be liable in its  individual  capacity  for an error of
         judgment  made in good faith by a  Responsible  Officer or  Responsible  Officers of the  Grantor  Trustee
         unless it shall be proved that the Grantor Trustee was negligent in ascertaining the pertinent facts;

                  (iii)    The Grantor  Trustee shall not be liable with respect to any action  taken,  suffered or
         omitted to be taken by it in good faith in accordance  with the directions of the Holders of  Certificates
         evidencing  Fractional  Undivided  Interests  aggregating  not less  than 25% of the Trust  Fund,  if such
         action or non-action  relates to the time,  method and place of conducting  any  proceeding for any remedy
         available  to the  Grantor  Trustee or  exercising  any trust or other  power  conferred  upon the Grantor
         Trustee under this Agreement;

                  (iv)     The Grantor  Trustee  shall not in any way be liable by reason of any  insufficiency  in
         the Grantor Trust Distribution  Account unless it is determined by a court of competent  jurisdiction that
         the Grantor Trustee's  negligence,  negligent  failure to act or willful  misconduct was the primary cause
         of such  insufficiency  (except to the extent  that the  Grantor  Trustee  is  obligor  and has  defaulted
         thereon); and

                  (v)      Anything  in this  Agreement  to the  contrary  notwithstanding,  in no event  shall the
         Grantor  Trustee be liable for special,  indirect or  consequential  loss or damage of any kind whatsoever
         (including  but not  limited  to lost  profits),  even if the  Grantor  Trustee  has been  advised  of the
         likelihood of such loss or damage and regardless of the form of action.

         The Grantor  Trustee  shall not be required to expend or risk its own funds or otherwise  incur  financial
liability in the  performance  of any of its duties  hereunder,  or in the exercise of any of its rights or powers,
if there is reasonable  ground for believing  that the repayment of such funds or adequate  indemnity  against such
risk or liability is not reasonably assured to it.

         (e)      All funds  received by the Grantor  Trustee and  required to be  deposited  in the Grantor  Trust
Distribution Account pursuant to this Agreement will be promptly so deposited by the Grantor Trustee.

         (f)      Except for those actions that the Grantor Trustee is required  expressly to take  hereunder,  the
Grantor  Trustee  shall not have any  obligation  or  liability  to take any action or to refrain  from  taking any
action hereunder in the absence of written direction as provided hereunder.

         (g)      The Grantor Trustee hereby  acknowledges  and agrees to reasonably  cooperate with the Underlying
Trustee and the  Depositor in  facilitating  compliance by such parties with the  provisions  of Regulation  AB and
related  rules  and  regulations  of  the  Commission,   including  any  filings  required  thereby.   The  Grantor
Trustee acknowledges  that interpretations of the requirements of the requirements of Regulation AB may change over
time,  whether due to interpretive  guidance provided by the Commission or its staff,  consensus among participants
in the  mortgage-backed  securities markets,  advice of counsel,  or otherwise,  and agrees to comply with requests
made by  the Underlying  Trustee  and the  Depositor  in good faith for  delivery  of  information  on the basis of
evolving  interpretations  of  Regulation  AB to the  extent  reasonably  practicable.  The  Grantor  Trustee shall
cooperate  reasonably with the Underlying  Trustee and the Depositor to deliver to such  parties (including  any of
their respective assignees or designees),  any and all disclosure,  statements,  reports,  certifications,  records
and any other information  necessary in the reasonable,  good faith determination of the Underlying Trustee and the
Depositor to permit the Underlying Trustee and the Depositor to comply with the provisions of Regulation AB.

         (h)      The standard of care owed by the Grantor Trustee to the  Certificateholders  under this Agreement
shall be the same standard of care owed by the Grantor  Trustee to the Swap  Counterparty  with respect to the Swap
Counterparty's  rights under this Agreement and the Swap Agreement and the Swap  Counterparty  shall be entitled to
the same  benefits  and  limitations  of the  Certificateholders  described  in this  Agreement  and under the Swap
Agreement.  In  addition,  the  Grantor  Trustee,  in its  capacity  as Trustee  under the  Underlying  Pooling and
Servicing  Agreement,  hereby agrees that the standard of care owed by the Trustee to the Holders of the Underlying
Certificates  under the Underlying  Pooling and Servicing  Agreement shall be the same standard of care owed by the
Trustee to the Swap Counterparty with respect to the Swap  Counterparty's  rights under the Underlying  Pooling and
Servicing  Agreement,  this Agreement and the Swap Agreement (if any) and the Swap  Counterparty  shall be entitled
to the same benefits and  limitations of the Holders of the Underlying  Certificates  under the Underlying  Pooling
and Servicing Agreement, this Agreement and the Swap Agreement (if any).

         Section 7.02.     CERTAIN MATTERS AFFECTING THE GRANTOR TRUSTEE.

         Except as otherwise provided in Section 7.01:

                  (i)      The  Grantor  Trustee  may rely and shall be  protected  in acting  or  refraining  from
         acting in reliance  on any  resolution,  certificate  of the  Depositor,  the  Servicer or the  Underlying
         Trustee, any certificate of auditors or any other certificate,  statement,  instrument,  opinion,  report,
         notice, request,  consent, order, appraisal,  bond or other paper or document believed by it to be genuine
         and to have been signed or presented by the proper party or parties;

                  (ii)     The Grantor  Trustee may consult with counsel and any written  advice of such counsel or
         any  Opinion of Counsel  shall be full and  complete  authorization  and  protection  with  respect to any
         action  taken or suffered or omitted by it  hereunder  in good faith and in  accordance  with such written
         advice or Opinion of Counsel;

                  (iii)    The Grantor  Trustee shall not be under any  obligation to exercise any of the trusts or
         powers  vested in it by this  Agreement,  other  than its  obligation  to give  notices  pursuant  to this
         Agreement,  and shall  not be under  any  obligation  to  institute,  conduct  or  defend  any  litigation
         hereunder  or in relation  hereto at the  request,  order or  direction  of any of the  Certificateholders
         pursuant to the provisions of this  Agreement,  unless such  Certificateholders  shall have offered to the
         Grantor Trustee  reasonable  security or indemnity  against the costs,  expenses and liabilities which may
         be incurred therein or thereby;

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

                  (v)      The  Grantor  Trustee  shall  not be bound to make any  investigation  into the facts or
         matters stated in any resolution,  certificate,  statement,  instrument, opinion, report, notice, request,
         consent,  order,  approval,  bond or other  paper or  document,  unless  requested  in writing to do so by
         Holders of Certificates  evidencing  Fractional  Undivided Interests  aggregating not less than 25% of the
         Trust Fund and provided  that the payment  within a reasonable  time to the Grantor  Trustee of the costs,
         expenses  or  liabilities  likely to be  incurred  by it in the  making of such  investigation  is, in the
         opinion of the Grantor Trustee,  reasonably  assured to the Grantor Trustee by the security afforded to it
         by the terms of this  Agreement.  The Grantor  Trustee  may  require  reasonable  indemnity  against  such
         expense or  liability  as a condition  to taking any such  action.  The  reasonable  expense of every such
         examination shall be paid pro rata by the Certificateholders requesting the investigation;

                  (vi)     The  Grantor  Trustee  may (to the extent it is  authorized  hereunder  to so execute or
         perform)  execute any of the trusts or powers  hereunder or perform any duties  hereunder  either directly
         or through its  Affiliates,  agents or attorneys.  The Grantor  Trustee shall not be liable or responsible
         for the misconduct or negligence of any agent or attorney of the Grantor  Trustee  appointed  hereunder by
         the Grantor Trustee with due care;

                  (vii)    Should the Grantor  Trustee  deem the nature of any action  required on its part,  other
         than a payment or transfer  under  Section 3.02 or Section 5.01,  to be unclear,  the Grantor  Trustee may
         require prior to such action that it be provided by the Depositor with reasonable further instructions;

                  (viii)   The right of the Grantor  Trustee to perform any  discretionary  act  enumerated in this
         Agreement  shall not be construed as a duty, and the Grantor  Trustee shall not be  accountable  for other
         than its negligence,  bad faith,  negligent failure to act or willful misconduct in the performance of any
         such act; and

                  (ix)     The Grantor  Trustee  shall not be  required to give any bond or surety with  respect to
         the execution of the trust created hereby or the powers granted  hereunder,  except as provided in Section
         7.07.

         Section 7.03.     GRANTOR TRUSTEE NOT LIABLE FOR  CERTIFICATES OR MORTGAGE LOANS.  The recitals  contained
herein and in the  Certificates  (other than the  signature of the Grantor  Trustee on the  Certificates)  shall be
taken as the  statements of the  Depositor,  and the Grantor  Trustee shall not have any  responsibility  for their
correctness.  The  Grantor  Trustee  does not make any  representation  as to the  validity or  sufficiency  of the
Certificates  (other  than the  signature  of the  Grantor  Trustee on the  Certificates).  The  Grantor  Trustee's
signature on the  Certificates  shall be solely in its capacity as Grantor  Trustee,  and shall not  constitute the
Certificates  an  obligation  of the  Grantor  Trustee in any other  capacity.  The  Grantor  Trustee  shall not be
accountable  for the use or  application  by the  Depositor of any of the  Certificates  or of the proceeds of such
Certificates,  or for the use or  application  of any funds paid to the  Depositor  with respect to the  Underlying
Certificates.  The Grantor  Trustee  shall not be  responsible  for the legality,  sufficiency  or validity of this
Agreement,  the Swap  Agreement  or any  document or  instrument  relating to this  Agreement,  the validity of the
execution of this  Agreement or of any  supplement  hereto or instrument  of further  assurance by any Person other
than it, or the  validity,  priority,  perfection  or  sufficiency  of the  security  for the  Certificates  issued
hereunder or intended to be issued  hereunder.  The Grantor  Trustee shall not at any time have any  responsibility
or liability  for or with respect to the  legality,  validity  and  enforceability  of any Mortgage or any Mortgage
Loan, or the perfection and priority of any Mortgage or the  maintenance  of any such  perfection and priority,  or
for or  with  respect  to the  sufficiency  of the  Trust  Fund or its  ability  to  generate  the  payments  to be
distributed to  Certificateholders  under this  Agreement.  The Grantor  Trustee shall not have any  responsibility
for filing any  financing or  continuation  statement in any public  office at any time or to otherwise  perfect or
maintain the perfection of any security interest or lien granted to it hereunder or to record this Agreement.

         Section 7.04.     GRANTOR TRUSTEE MAY OWN CERTIFICATES.  The Grantor Trustee,  in its individual  capacity
or in any capacity other than as Grantor  Trustee  hereunder,  may become the owner or pledgee of any  Certificates
with the same rights it would have if it were not Grantor Trustee and may otherwise deal with the parties hereto.

         Section 7.05.     EXPENSES.  The Grantor  Trustee  and any  director,  officer,  employee or agent of such
party,  will be entitled to recover from the Grantor Trust  Distribution  Account  pursuant to Section  3.02(b) all
reasonable  out-  of-pocket  expenses,  disbursements  and advances of such party in  connection  with any event of
default or breach of this  Agreement or any claim or legal action  (including  any pending or  threatened  claim or
legal  action)  incurred  or made by such  party in the  administration  of the  trusts  hereunder  (including  the
reasonable  compensation,  expenses and  disbursements  of its counsel)  except any such expense,  disbursement  or
advance as may arise from its  negligence,  negligent  failure to act, or  intentional  misconduct  or which is the
responsibility of the  Certificateholders  or the Trust Fund hereunder.  If funds in the Grantor Trust Distribution
Account are  insufficient  therefor,  such party shall recover such expenses,  disbursements  and advances from the
Depositor.  Such compensation and  reimbursement  obligation shall not be limited by any provision of law in regard
to the compensation of a trustee of an express trust.

         Section 7.06.     ELIGIBILITY  REQUIREMENTS  FOR GRANTOR TRUSTEE.  The Grantor Trustee,  and any successor
Grantor  Trustee,  shall  during the  entire  duration  of this  Agreement  be a state  bank or trust  company or a
national  banking  association  organized and doing  business  under the laws of such state or the United States of
America,  authorized under such laws to exercise corporate trust powers,  having a combined capital and surplus and
undivided profits of at least $40,000,000 or, in the case of a successor Grantor Trustee,  $50,000,000,  subject to
supervision  or  examination  by  federal or state  authority  and rated  "BBB" or higher by  Standard & Poor's and
"Baa2" or higher by Moody's with respect to any outstanding  long-term unsecured  unsubordinated  debt, and, in the
case of a  successor  Grantor  Trustee  other  than  pursuant  to  Section  7.10,  rated in one of the two  highest
long-term debt  categories  of, or otherwise  acceptable to, each of the Rating  Agencies.  If the Grantor  Trustee
publishes  reports  of  condition  at least  annually,  pursuant  to law or to the  requirements  of the  aforesaid
supervising  or examining  authority,  then for the purposes of this Section 7.06 the combined  capital and surplus
of such corporation  shall be deemed to be its total equity capital  (combined capital and surplus) as set forth in
its most  recent  report of  condition  so  published.  In case at any time the Grantor  Trustee  shall cease to be
eligible in accordance  with the provisions of this Section 7.06, the Grantor  Trustee shall resign  immediately in
the manner and with the effect specified in Section 7.08.

         Section 7.07.     INSURANCE.  The Grantor  Trustee,  at its own expense,  shall at all times  maintain and
keep in full force and  effect:  (i)  fidelity  insurance,  (ii) theft of  documents  insurance  and (iii)  forgery
insurance  (which may be  collectively  satisfied by a  "Financial  Institution  Bond"  and/or a "Bankers'  Blanket
Bond").  All such  insurance  shall be in  amounts,  with  standard  coverage  and subject to  deductibles,  as are
customary  for  insurance  typically  maintained  by  banks  or  their  affiliates  which  act  as  custodians  for
investor-owned  mortgage  pools. A certificate of an officer of the Grantor  Trustee as to such party's  compliance
with this Section 7.07 shall be furnished to any Certificateholder upon reasonable written request.

         Section 7.08.     RESIGNATION AND REMOVAL OF THE GRANTOR TRUSTEE.

         (a)      Subject  to the terms of this  Agreement,  the  Grantor  Trustee  may at any time  resign  and be
discharged  from the  Trust  hereby  created  by  giving  written  notice  thereof  to the  Depositor  and the Swap
Counterparty,  with a copy to the Rating Agencies.  Upon receiving such notice of resignation,  the Depositor shall
promptly appoint a successor Grantor Trustee,  by written instrument,  in triplicate,  one copy of which instrument
shall be delivered to each of the resigning  Grantor  Trustee and the successor  Grantor  Trustee.  If no successor
Grantor  Trustee  shall have been so appointed  and have  accepted  appointment  within 30 days after the giving of
such notice of resignation,  the resigning  Grantor  Trustee may assign its duties and  obligations  hereunder to a
Person who satisfies the  requirements of Section 7.06 or may petition any court of competent  jurisdiction for the
appointment of a successor  Grantor  Trustee.  The Grantor Trustee may resign hereunder unless it shall also resign
as Underlying Trustee under the Underlying Pooling and Servicing Agreement.

         (b)      If at any time the Grantor  Trustee shall cease to be eligible in accordance  with the provisions
of Section 7.06 and shall fail to resign after written  request  therefor by the  Depositor,  or if at any time the
Grantor Trustee shall become  incapable of acting,  or shall be adjudged a bankrupt or insolvent,  or a receiver of
the Grantor  Trustee or of its property  shall be appointed,  or any public officer shall take charge or control of
the Grantor Trustee or of its property or affairs for the purpose of  rehabilitation,  conservation or liquidation,
then the Depositor  shall promptly  remove the Grantor  Trustee and appoint a successor  Grantor Trustee by written
instrument,  in triplicate,  one copy of which  instrument shall be delivered to the Grantor Trustee so removed and
one copy of which instrument shall be delivered to the successor Grantor Trustee so appointed.

         (c)      The Holders of Certificates  evidencing  Fractional Undivided Interests aggregating not less than
51% of the Trust Fund may at any time  remove the  Grantor  Trustee  and  appoint a  successor  Grantor  Trustee by
written  instrument  or  instruments,  in  quadruplicate,  signed by such Holders or their  attorneys-in-fact  duly
authorized,  one complete set of which  instruments  shall be delivered to the  Depositor and such party so removed
and one copy of which instrument shall be delivered to the successor so appointed.

         (d)      No resignation or removal of the Grantor Trustee and  appointment of a successor  Grantor Trustee
pursuant to any of the  provisions  of this Section  7.08 shall become  effective  except upon  appointment  of and
acceptance of such appointment by the successor Grantor Trustee as provided in Section 7.09.

         Section 7.09.     SUCCESSOR GRANTOR TRUSTEE.

         (a)      Any successor  Grantor Trustee  appointed as provided in Section 7.08 shall execute,  acknowledge
and deliver to the Depositor  and to its  predecessor  Grantor  Trustee an instrument  accepting  such  appointment
hereunder.  The  resignation or removal of the  predecessor  Grantor  Trustee shall then become  effective and such
successor  Grantor  Trustee  without any further act,  deed or  conveyance,  shall become fully vested with all the
rights,  powers,  duties and obligations of its predecessor  hereunder and the Swap Counterparty,  with like effect
as if originally  named as Grantor Trustee  herein.  The  predecessor  Grantor Trustee shall,  after its receipt of
payment of its  outstanding  fees and expenses,  promptly  deliver to the successor  Grantor Trustee all assets and
records of the Trust held by it  hereunder,  and the Depositor and the  predecessor  Grantor  Trustee shall execute
and deliver such  instruments  and do such other things as may  reasonably be required for more fully and certainly
vesting and confirming in the successor Grantor Trustee all such rights, powers, duties and obligations.

         (b)      No successor  Grantor  Trustee shall accept  appointment  as provided in this Section 7.09 unless
at the time of such  acceptance  such successor  Grantor  Trustee shall be eligible under the provisions of Section
7.06.

         (c)      Upon  acceptance of appointment by a successor  Grantor Trustee as provided in this Section 7.09,
the  successor  Grantor  Trustee  shall mail notice of the  succession  of such  Grantor  Trustee  hereunder to all
Certificateholders  at their addresses as shown in the Certificate  Register,  to the Swap  Counterparty and to the
Rating Agencies.

         Section 7.10.     MERGER  OR  CONSOLIDATION  OF  GRANTOR  TRUSTEE.  Any  state  bank or trust  company  or
national  banking  association  into which the Grantor  Trustee may be merged or  converted or with which it may be
consolidated,  or any state bank or trust  company or  national  banking  association  resulting  from any  merger,
conversion or  consolidation  to which the Grantor  Trustee shall be a party, or any state bank or trust company or
national  banking  association  succeeding to all or  substantially  all of the  corporate  business of the Grantor
Trustee  shall be the  successor of the Grantor  Trustee  hereunder,  provided  such state bank or trust company or
national  banking  association  shall be eligible under the provisions of Section 7.06.  Such  succession  shall be
valid  without the  execution  or filing of any paper or any further act on the part of any of the parties  hereto,
anything herein to the contrary notwithstanding.

         Section 7.11.     APPOINTMENT OF CO-GRANTOR TRUSTEE OR SEPARATE GRANTOR TRUSTEE.

         (a)      Notwithstanding  any other provisions  hereof,  at any time, for the purpose of meeting any legal
requirements of any  jurisdiction in which any part of the Trust or property  constituting the same may at the time
be located,  the  Depositor  and the Grantor  Trustee  acting  jointly  shall have the power and shall  execute and
deliver all  instruments  to appoint one or more Persons  approved by the Grantor  Trustee and the Depositor to act
as co-grantor  trustee or co-grantor  trustees,  jointly with the Grantor  Trustee,  or separate grantor trustee or
separate  grantor  trustees,  of all or any part of the  Trust,  and to vest in such  Person  or  Persons,  in such
capacity,  such title to the Trust,  or any part  thereof,  and,  subject to the other  provisions  of this Section
7.11,  such powers,  duties,  obligations,  rights and trusts as the Depositor and the Grantor Trustee may consider
necessary or desirable.

         (b)      If the Depositor  shall not have joined in such  appointment  within 15 days after the receipt by
it of a written  request so to do, the Grantor  Trustee shall have the power to make such  appointment  without any
action by or consent of the Depositor.

         (c)      No co-grantor  trustee or separate grantor trustee  hereunder shall be required to meet the terms
of eligibility as a successor Grantor Trustee under Section 7.06 hereunder and no notice to  Certificateholders  of
the  appointment  of co-grantor  trustee(s) or separate  grantor  trustee(s)  shall be required  under Section 7.08
hereof.

         (d)      In the case of any appointment of a co-grantor  trustee or separate  grantor trustee  pursuant to
this Section 7.11, all rights,  powers,  duties and  obligations  conferred or imposed upon the Grantor Trustee and
required to be conferred on such  co-grantor  trustee shall be conferred or imposed upon and exercised or performed
by the Grantor Trustee and such separate grantor trustee or co-grantor  trustee jointly,  except to the extent that
under any law of any  jurisdiction  in which any  particular act or acts are to be performed,  the Grantor  Trustee
shall be incompetent or  unqualified  to perform such act or acts, in which event such rights,  powers,  duties and
obligations  (including the holding of title to the Trust or any portion  thereof in any such  jurisdiction)  shall
be exercised and performed by such separate  grantor trustee or co-grantor  trustee at the direction of the Grantor
Trustee.

         (e)      Any notice,  request or other writing  given to the Grantor  Trustee shall be deemed to have been
given to each of the then separate  grantor  trustees and co-grantor  trustees,  as effectively as if given to each
of them.  Every  instrument  appointing  any separate  grantor  trustee or  co-grantor  trustee shall refer to this
Agreement and the conditions of this Article VII. Each separate  grantor trustee and co-grantor  trustee,  upon its
acceptance of the trusts  conferred,  shall be vested with the estates or property  specified in its  instrument of
appointment,  either jointly with the Grantor  Trustee or separately,  as may be provided  therein,  subject to all
the  provisions  of this  Agreement,  specifically  including  every  provision of this  Agreement  relating to the
conduct of,  affecting the liability of, or affording  protection to, the Grantor  Trustee.  Every such  instrument
shall be filed with the Grantor Trustee.

         (f)      To the extent not prohibited by law, any separate  grantor trustee or co-grantor  trustee may, at
any time,  request the Grantor Trustee,  its agent or  attorney-in-fact,  with full power and authority,  to do any
lawful  act under or with  respect  to this  Agreement  on its  behalf  and in its name.  If any  separate  grantor
trustee or co-grantor  trustee shall die,  become  incapable of acting,  resign or be removed,  all of its estates,
properties  rights,  remedies  and trusts  shall vest in and be  exercised  by the Grantor  Trustee,  to the extent
permitted by law, without the appointment of a new or successor Grantor Trustee.

         (g)      No  grantor  trustee  under this  Agreement  shall be  personally  liable by reason of any act or
omission of another  grantor  trustee under this  Agreement.  The Depositor and the Grantor  Trustee acting jointly
may at any time accept the resignation of or remove any separate grantor trustee or co-grantor trustee.

         Section 7.12.     FEDERAL   INFORMATION   RETURNS  AND  REPORTS  TO   CERTIFICATEHOLDERS;   GRANTOR  TRUST
ADMINISTRATION.

         (a)      The Grantor  Trustee  shall  perform its  obligations  relating to the Trust in a manner so as to
maintain the status of the Trust Fund as a grantor  trust under  subpart E, part I of  subchapter J of chapter 1 of
the Code and not as an association  taxable as a corporation,  as a taxable  mortgage pool, or as a partnership and
to prevent the imposition of any federal, state or local income or other tax on the Trust Fund.

                  (i)      The Trust is a Widely Held Fixed  Investment  Trust that is a  Non-Mortgage  Widely Held
         Fixed  Investment  Trust.  The  Grantor  Trustee  will  report as  required  under the  Widely  Held Fixed
         Investment  Trust  Regulations  to the extent such  information  as is reasonably  necessary to enable the
         Grantor  Trustee to do so, and is not in its  possession,  is provided to the Grantor  Trustee on a timely
         basis.  The Grantor  Trustee is hereby  directed to assume that DTC is the only  "middleman" (as such term
         is defined in the Widely Held Fixed  Investment  Trust  Regulations)  unless the  Depositor  provides  the
         Grantor  Trustee  with the  identities  of other  "middlemen"  that are  Certificateholders.  The  Grantor
         Trustee  will not be liable for any tax  reporting  penalties  that may arise  under the Widely Held Fixed
         Investment  Trust  Regulations  as a result of the  Depositor  incorrectly  determining  the status of the
         Grantor Trust as a Widely Held Fixed  Investment  Trust or failing to identify  whether or not the Grantor
         Trust is a Widely Held Fixed Investment Trust..

                  (ii)     The  Grantor  Trustee,  in its  discretion,  will  report  required  Widely  Held  Fixed
Investment Trust  information  using either the cash or accrual method,  except to the extent the Widely Held Fixed
Investment  Trust  Regulations  specifically  require a  different  method.  The Grantor  Trustee  will be under no
obligation  to determine  whether any  interest  holder in the Trust uses the cash or accrual  method.  The Grantor
Trustee will make available Widely Held Fixed Investment Trust  information to holders annually.  In addition,  the
Grantor  Trustee  will not be  responsible  or liable  for  providing  subsequently  amended,  revised  or  updated
information to any interest holder in the Trust, unless requested by such holder.

                  (iii)    The Grantor  Trustee shall not be liable for failure to meet the reporting  requirements
of the Widely Held Fixed Investment Trust  Regulations nor for any penalties  thereunder if such failure is due to:
(i) the  lack of  reasonably  necessary  information  being  provided  to the  Grantor  Trustee,  (ii)  incomplete,
inaccurate  or untimely  information  being  provided to the Grantor  Trustee or (iii) the inability of the Grantor
Trustee,  after good faith efforts,  to alter its existing  information  reporting  systems to capture  information
necessary to fully comply with the Widely Held Fixed  Investment  Trust  Regulations  for the 2007  calendar  year.
Each  Certificate  holder,  by  acceptance  of its  interest in its  Certificate,  will be deemed to have agreed to
provide the Grantor Trustee with information  regarding any sale of such Certificate,  including the price,  amount
of  proceeds  and  date of  sale.  Absent  receipt  of such  information,  and  unless  informed  otherwise  by the
Depositor,  the Grantor  Trustee will assume there is no secondary  market trading of Widely Held Fixed  Investment
Trust interests.

                  (iv)     To the extent  required  by the Widely  Held Fixed  Investment  Trust  Regulations,  the
Grantor  Trustee  will  use  reasonable  efforts  to  publish  on  an  appropriate   website  the  CUSIPs  for  the
Certificates.  The CUSIPs so published  will represent the Rule 144A CUSIPs.  The Grantor  Trustee will not publish
any  associated  Regulation S CUSIPs.  The Grantor  Trustee  will make  reasonable  good faith  efforts to keep the
website  accurate and updated to the extent CUSIPs have been received.  Absent the receipt of a CUSIP,  the Grantor
Trustee  will use a reasonable  identifier  number in lieu of a CUSIP.  The Grantor  Trustee will not be liable for
investor reporting delays that result from the receipt of inaccurate or untimely CUSIP information.

                  (v)      The  Grantor  Trustee  shall be  entitled  to  additional  reasonable  compensation  for
changes in reporting  required in respect of (i) the failure of the Depositor to timely inform the Grantor  Trustee
of the  designation  of the  Grantor  Trust as a Widely Held Fixed  Investment  or (ii) a change in the Widely Held
Fixed  Investment  Trust  Regulations  or a change in  interpretation  of the Widely  Held Fixed  Investment  Trust
Regulations  by the IRS or the  Depositor  or its  counsel,  if such  change  requires,  in the  Grantor  Trustee's
reasonable  discretion,  a material  increase  in the Grantor  Trustee's  reporting  obligations  in respect of the
Grantor Trust.

         (b)      Notwithstanding  any other  provisions of this  Agreement,  the Grantor Trustee shall comply with
all  federal   withholding   requirements  with  respect  to  payments  to   Certificateholders.   The  consent  of
Certificateholders  shall  not be  required  for any such  withholding.  In the event the  Grantor  Trustee,  based
solely  on   instructions   from  such   Certificateholder   or  other  Person,   withholds  any  amount  from  any
Certificateholder  pursuant to federal  withholdings  requirements,  the  Grantor  Trustee  shall  indicate to such
Certificateholder the amount so withheld.

         (c)      The  Grantor  Trustee  agrees to  indemnify  the Trust Fund and the  Depositor  for any taxes and
costs  including,  without  limitation,  any reasonable  attorneys fees imposed on or incurred by the Trust Fund or
the Depositor as a result of a breach of the Grantor Trustee's obligations set forth in this Section 7.12.

                                                   ARTICLE VIII

                                                    Termination

         Section 8.01.     TERMINATION  UPON  REPURCHASE  BY THE  DEPOSITOR OR ITS DESIGNEE OR  LIQUIDATION  OF THE
MORTGAGE LOANS.

         (a)      The  respective  obligations  and  responsibilities  of the  Depositor  and the  Grantor  Trustee
created  hereby,  other than the  obligation  of the  Grantor  Trustee to make  payments to  Certificateholders  as
hereinafter set forth,  shall terminate upon the termination of the Underlying  Pooling and Servicing  Agreement or
upon the making of the final payment or other  liquidation of each of the Underlying  Certificates,  or any advance
with respect thereto.

         (b)      In no event,  however,  shall the Trust created hereby continue beyond the expiration of 21 years
from the death of the last  survivor of the  descendants  of Joseph P. Kennedy,  the late  Ambassador of the United
States to the Court of St. James's, living on the date of this Agreement.

         (c)      The Grantor Trustee shall give notice of any  termination of the Trust to the  Certificateholders
and the Swap Counterparty,  with a copy to the Rating Agencies,  upon which the Certificateholders  shall surrender
their  Certificates  to the  Grantor  Trustee  for payment by the  Grantor  Trustee of the final  distribution  and
cancellation  with respect  thereto.  Such notice  shall be given by letter,  mailed not later than the 20th day of
the month of such final  distribution,  and shall specify (i) the Distribution Date upon which final payment of the
Certificates  will be made upon  presentation  and  surrender  of the  Certificates  at the  office of the  Grantor
Trustee  therein  designated,  (ii) the amount of any such final  payment and (iii) that the Record Date  otherwise
applicable  to such  Distribution  Date is not  applicable,  payments  being made by the Grantor  Trustee only upon
presentation and surrender of the Certificates at the office of the Grantor Trustee therein specified.

         (d)      Upon the  presentation  and surrender of the  Certificates,  the Grantor Trustee shall distribute
to the  remaining  Certificateholders,  in  accordance  with  their  respective  interests  and based  solely  upon
information  provided to it by the Underlying  Trustee and  calculations  conducted by the Underlying  Trustee with
respect thereto, all Available Funds remaining in the Grantor Trust Distribution Account.

         (e)      If not all of the  Certificateholders  shall surrender their Certificates for cancellation within
six months after the time specified in the  above-mentioned  written notice,  then the Grantor Trustee shall give a
second written notice to the remaining  Certificateholders  to surrender their  Certificates  for  cancellation and
receive the final  distribution  with respect thereto.  If, within six months after the second notice,  not all the
Certificates  shall have been surrendered for  cancellation,  then the Grantor Trustee may take appropriate  steps,
or appoint any agent to take appropriate steps, to contact the remaining  Certificateholders  concerning  surrender
of their  Certificates,  and the cost thereof shall be paid out of the funds and other assets which remain  subject
to this Agreement.

                                                    ARTICLE IX

                                             Miscellaneous Provisions

         Section 9.01.     INTENT OF  PARTIES.  The  parties  intend  that the Trust  Fund  shall be  treated  as a
grantor  trust for federal  income tax purposes and that the  provisions of this  Agreement  should be construed in
furtherance of this intent.

         Section 9.02.     ACTION  UNDER  UNDERLYING  DOCUMENTS.  In the event that there are any  matters  arising
under the Underlying  Pooling and Servicing  Agreement related to an Underlying  Certificate which require the vote
or  direction  of  holders  of the  Underlying  Certificates  thereunder,  the  Grantor  Trustee,  as holder of the
Underlying  Certificates  will vote  such  Underlying  Certificate  in  accordance  with the  written  instructions
received from holders of the  Certificates  evidencing  at least 51% of the  Fractional  Undivided  Interest of the
Certificates.  In the  absence  of any such  instructions,  the  Grantor  Trustee  will not  vote  such  Underlying
Certificates.

         Upon  written  request,  the  Grantor  Trustee  will  forward  to  the  Certificateholders  copies  of any
communications received regarding matters arising that require action by holders of the Underlying Certificates.

         Section 9.03.     AMENDMENT.

         (a)      This  Agreement  may be  amended  from  time to time by the  Depositor  and the  Grantor  Trustee
without the consent of the Swap  Counterparty  (other than with respect to any amendment hereto that materially and
adversely affects the rights of the Swap Counterparty  hereunder,  which amendment shall require the consent of the
Swap  Counterparty)  and  without  notice  to or the  consent  of any of the  Certificateholders,  (i) to cure  any
ambiguity,  (ii) to correct or supplement  any  provisions  herein that may be defective or  inconsistent  with any
other  provisions  herein,  (iii) to conform the terms hereof to the disclosure in the Prospectus or the Prospectus
Supplement (as each such term is defined in the Underlying  Pooling and Servicing  Agreement),  (iv) to comply with
any changes in the Code or (v) to make any other  provisions  with  respect to matters or questions  arising  under
this Agreement which shall not be  inconsistent  with the provisions of this Agreement;  provided,  however,  that,
with regard to clauses (iv) and (v) of this Section  9.03(a),  such action shall not, as evidenced by an Opinion of
Independent Counsel, adversely affect in any material respect the interests of any Certificateholder.

         (b)      This  Agreement may also be amended from time to time by the  Depositor and Grantor  Trustee with
the consent of the Holders of Certificates  evidencing  Fractional  Undivided  Interests  aggregating not less than
51% of the Trust Fund,  for the purpose of adding any  provisions to or changing in any manner or  eliminating  any
of the provisions of this Agreement or of modifying in any manner the rights of the  Certificateholders;  provided,
however,  that no such  amendment  shall (i) reduce in any  manner the amount of, or delay the timing of,  payments
received on Mortgage  Loans which are required to be  distributed  on any  Certificate,  without the consent of the
Holder of such  Certificate,  (ii)  reduce  the  aforesaid  percentage  of  Certificates  the  Holders of which are
required  to  consent  to any  such  amendment,  without  the  consent  of the  Holders  of all  Certificates  then
outstanding,  or (iii)  result in the  imposition  of a tax on the Trust Fund or cause the Trust Fund to fail to be
classified  as a grantor  trust under  subpart E, part I of  subchapter J of chapter 1 of the Code, as evidenced by
an  Opinion of Counsel  which  shall be  provided  to the  Grantor  Trustee  other  than at the  Grantor  Trustee's
expense.  Notwithstanding  any other  provision of this  Agreement,  for purposes of the giving or  withholding  of
consents  pursuant to this Section 9.03(b),  Certificates  registered in the name of or held for the benefit of the
Depositor,  the  Grantor  Trustee or any  Affiliate  thereof or nominee  thereof  shall be  entitled  to vote their
Fractional Undivided Interests with respect to matters affecting such Certificates.

         (c)      Promptly after the execution of any such  amendment,  the Grantor Trustee shall furnish a copy of
such  amendment or written  notification  of the  substance of such  amendment  to the Swap  Counterparty  and each
Certificateholder, with a copy to the Rating Agencies.

         (d)      In the case of an amendment  under  Section  9.03(b)  above,  it shall not be  necessary  for the
Certificateholders  to approve the  particular  form of such an  amendment.  Rather,  it shall be sufficient if the
Certificateholders  approve  the  substance  of the  amendment.  The  manner  of  obtaining  such  consents  and of
evidencing the  authorization of the execution  thereof by  Certificateholders  shall be subject to such reasonable
regulations as the Grantor Trustee may prescribe.

         (e)      Prior to the execution of any amendment to this  Agreement,  the parties hereto shall be entitled
to receive and rely upon an Opinion of Counsel  stating that the  execution  of such  amendment  is  authorized  or
permitted  by this  Agreement.  The  parties  hereto  may,  but  shall not be  obligated  to,  enter  into any such
amendment which affects such parties' respective rights, duties or immunities under this Agreement.

         Section 9.04.     RECORDATION  OF AGREEMENT.  To the extent  permitted by applicable  law, this  Agreement
is subject to  recordation  in all  appropriate  public  offices for real  property  records in all the counties or
other  comparable  jurisdictions  in which any or all of the Mortgaged  Properties  are situated,  and in any other
appropriate  public recording office or elsewhere.  The Depositor shall effect such recordation,  at the expense of
the Trust and upon the request in writing of a  Certificateholder,  but only if such direction is accompanied by an
Opinion of Counsel  (provided at the expense of the  Certificateholder  requesting  recordation) to the effect that
such recordation would materially and beneficially  affect the interests of the  Certificateholders  or is required
by law.

         Section 9.05.     LIMITATION ON RIGHTS OF CERTIFICATEHOLDERS.

         (a)      The death or  incapacity  of any  Certificateholder  shall not  terminate  this  Agreement or the
Trust, nor entitle such  Certificateholder's  legal  representatives or heirs to claim an accounting or to take any
action or  proceeding  in any court for a partition or winding up of the Trust,  nor  otherwise  affect the rights,
obligations and liabilities of the parties hereto or any of them.

         (b)      Except as expressly  provided in this Agreement,  no  Certificateholders  shall have any right to
vote or in any manner  otherwise  control the operation  and  management of the Trust,  or the  obligations  of the
parties hereto,  nor shall anything herein set forth, or contained in the terms of the  Certificates,  be construed
so as to establish the  Certificateholders  from time to time as partners or members of an  association;  nor shall
any  Certificateholders  be under any liability to any third Person by reason of any action taken by the parties to
this Agreement pursuant to any provision hereof.

         (c)      No  Certificateholder  shall  have any right by  virtue of any  provision  of this  Agreement  to
institute  any suit,  action or  proceeding  in equity or at law  upon,  under or with  respect  to this  Agreement
against the  Depositor or any  successor to any such parties  unless (i) such  Certificateholder  previously  shall
have given to the Grantor Trustee a written notice of a continuing  default,  as herein provided,  (ii) the Holders
of Certificates  evidencing  Fractional  Undivided Interests  aggregating not less than 51% of the Trust Fund shall
have made written  request upon the Grantor  Trustee to institute  such action,  suit or proceeding in its own name
as Grantor  Trustee  hereunder and shall have offered to the Grantor  Trustee such  reasonable  indemnity as it may
require  against the costs and expenses and  liabilities to be incurred  therein or thereby,  and (iii) the Grantor
Trustee,  for 60 days after its receipt of such notice,  request and offer of  indemnity,  shall have  neglected or
refused to institute any such action, suit or proceeding.

         (d)      No one or more  Certificateholders  shall  have any  right by  virtue  of any  provision  of this
Agreement  to affect  the  rights  of any other  Certificateholders  or to  obtain  or seek to obtain  priority  or
preference  over any other such  Certificateholder,  or to enforce  any right under this  Agreement,  except in the
manner  herein  provided  and  for the  equal,  ratable  and  common  benefit  of all  Certificateholders.  For the
protection  and  enforcement  of the  provisions of this Section  9.05,  each and every  Certificateholder  and the
Grantor Trustee shall be entitled to such relief as can be given either at law or in equity.

         Section 9.06.     ACTS OF CERTIFICATEHOLDERS.

         (a)      Any request, demand,  authorization,  direction, notice, consent, waiver or other action provided
by this  Agreement  to be given or taken by  Certificateholders  may be  embodied in and  evidenced  by one or more
instruments  of  substantially  similar  tenor  signed by such  Certificateholders  in  person or by an agent  duly
appointed in writing.  Except as herein  otherwise  expressly  provided,  such action shall become  effective  when
such  instrument or instruments  are delivered to the Grantor  Trustee  and/or,  where it is expressly  required by
this  Agreement,  to the Depositor  and/or the Grantor  Trustee.  Proof of execution of any such instrument or of a
writing  appointing  any such agent shall be sufficient  for any purpose of this  Agreement and conclusive in favor
of the Grantor Trustee and the Depositor if made in the manner provided in this Section 9.06.

         (b)      The fact and date of the  execution  by any  Person  of any such  instrument  or  writing  may be
proved by the  affidavit of a witness of such  execution or by a  certificate  of a notary  public or other officer
authorized by law to take  acknowledgments  of deeds,  certifying  that the individual  signing such  instrument or
writing  acknowledged  to him the  execution  thereof.  Where such  execution  is by a signer  acting in a capacity
other than his or her individual  capacity,  such  certificate or affidavit shall also constitute  sufficient proof
of his or her  authority.  The fact and date of the execution of any such  instrument or writing,  or the authority
of the  individual  executing  the same,  may also be proved in any other  manner which the Grantor  Trustee  deems
sufficient.

         (c)      The  ownership of  Certificates  (notwithstanding  any notation of ownership or other  writing on
such  Certificates,  except an  endorsement  in  accordance  with Section 4.02 made on a  Certificate  presented in
accordance with Section 4.04) shall be proved by the Certificate  Register,  and neither the Grantor  Trustee,  the
Depositor nor any successor to any such parties shall be affected by any notice to the contrary.

         (d)      Any request,  demand,  authorization,  direction,  notice, consent, waiver or other action of the
holder  of any  Certificate  shall  bind  every  future  holder  of the same  Certificate  and the  holder of every
Certificate  issued upon the registration of transfer or exchange thereof,  if applicable,  or in lieu thereof with
respect to anything  done,  omitted or suffered to be done by the Grantor  Trustee,  the Depositor or any successor
to any such party in reliance thereon, whether or not notation of such action is made upon such Certificates.

         (e)      In  determining  whether the  Holders of the  requisite  percentage  of  Certificates  evidencing
Fractional  Undivided  Interests  have given any request,  demand,  authorization,  direction,  notice,  consent or
waiver  hereunder,  Certificates  owned by the Grantor  Trustee,  the Depositor or any  Affiliate  thereof shall be
disregarded,  except as otherwise  provided in Section 9.03(b) and except that, in determining  whether the Grantor
Trustee and the Depositor and any  Affiliate  thereof shall be protected in relying upon any such request,  demand,
authorization,  direction,  notice,  consent or waiver,  only  Certificates  which such party  knows to be so owned
shall be so disregarded.  Certificates which have been pledged in good faith to the Grantor Trustee,  the Depositor
or any Affiliate  thereof may be regarded as outstanding  if the pledgor  establishes  to the  satisfaction  of the
Grantor  Trustee  the  pledgor's  right to act with  respect to such  Certificates  and that the  pledgor is not an
Affiliate of the Grantor Trustee or the Depositor, as the case may be.

         Section 9.07.     GOVERNING  LAW.  THIS  AGREEMENT AND THE  CERTIFICATES  SHALL BE CONSTRUED IN ACCORDANCE
WITH THE LAWS OF THE STATE OF NEW YORK WITHOUT  REFERENCE TO ITS CONFLICT OF LAWS RULES (OTHER THAN SECTION  5-1401
OF THE NEW YORK GENERAL  OBLIGATIONS  LAW, WHICH THE PARTIES  HERETO  EXPRESSLY RELY UPON IN THE CHOICE OF SUCH LAW
AS THE  GOVERNING  LAW  HEREUNDER),  AND THE  OBLIGATIONS,  RIGHTS AND REMEDIES OF THE PARTIES  HEREUNDER  SHALL BE
DETERMINED IN ACCORDANCE WITH SUCH LAWS.

         Section 9.08.     NOTICES.  All  demands  and  notices  hereunder  shall be in writing and shall be deemed
given when delivered at (including  delivery by facsimile) or mailed by registered mail, return receipt  requested,
postage prepaid, or by recognized  overnight courier, to (i) in the case of the Depositor,  383 Madison Avenue, New
York, New York 10179,  Attention:  Vice  President-Servicing,  telecopier number: (212) 272-5591,  or to such other
address as may  hereafter  be  furnished to the other  parties  hereto in writing;  (ii) in the case of the Grantor
Trustee,  at its Corporate  Trust Office,  or such other address as may hereafter be furnished to the other parties
hereto in writing,  (iii) in the case of the Swap  Counterparty,  383  Madison  Avenue,  New York,  New York 10179,
Attention:  Head of  Interest  Rate  Derivatives,  or (iv) in the case of the Rating  Agencies,  Moody's  Investors
Service,  Inc., 7 World Trade Center,  250 Greenwich Street, New York, New York 10004, and Standard & Poor's Rating
Services,  a division of The McGraw-Hill  Companies,  Inc., 55 Water Street, 41st Floor, New York, New York, 10041,
Attention:  Residential Mortgage  Surveillance.  Any notice delivered to the Depositor or the Grantor Trustee under
this  Agreement  shall be  effective  only  upon  receipt.  Any  notice  required  or  permitted  to be mailed to a
Certificateholder,  unless otherwise provided herein,  shall be given by first-class mail, postage prepaid,  at the
address of such  Certificateholder  as shown in the  Certificate  Register.  Any  notice so mailed  within the time
prescribed in this Agreement  shall be  conclusively  presumed to have been duly given when mailed,  whether or not
the Certificateholder receives such notice.

         Section 9.09.     SEVERABILITY  OF  PROVISIONS.  If  any  one  or  more  of  the  covenants,   agreements,
provisions  or terms of this  Agreement  shall be for any reason  whatsoever  held  invalid,  then such  covenants,
agreements,  provisions or terms shall be deemed severed from the remaining  covenants,  agreements,  provisions or
terms of this Agreement and shall in no way affect the validity or  enforceability  of the other provisions of this
Agreement or of the Certificates or the rights of the holders thereof.

         Section 9.10.     SUCCESSORS  AND ASSIGNS.  The  provisions  of this  Agreement  shall be binding upon and
inure to the benefit of the respective successors and assigns of the parties hereto.

         Section 9.11.     ARTICLE  AND  SECTION  HEADINGS.  The  article  and  section  headings  herein  are  for
convenience of reference only, and shall not limit or otherwise affect the meaning hereof.

         Section 9.12.     COUNTERPARTS.  This  Agreement  may be  executed  in two or more  counterparts,  each of
which when so executed and delivered  shall be an original but all of which together  shall  constitute one and the
same instrument.

         Section 9.13.     NOTICE  TO  RATING   AGENCIES.   The  article  and  section   headings  herein  are  for
convenience of reference only, and shall not limited or otherwise  affect the meaning  hereof.  The Grantor Trustee
shall  promptly  provide  notice to each Rating Agency with respect to each of the following of which it has actual
knowledge:

                           (1)      Any material change or amendment to this Agreement;

                           (2)      The resignation or termination of the Grantor Trustee under this Agreement;

                           (3)      The final payment to Certificateholders; and

                           (4)      Any change in the location of the Grantor Trust Distribution Account.

         Section 9.14.     ENFORCEMENT  OF RIGHTS.  The Grantor  Trustee shall take such action as may be necessary
to enforce  the rights of the Trust  pursuant  to the Swap  Agreement  and,  to the  extent the Swap  Agreement  is
terminated  prior to the  Termination  Date set forth  therein,  shall enter into a replacement  swap  agreement as
directed by the Depositor.

         SECTION 9.15.     BENEFICIARIES.  THE SWAP  COUNTERPARTY  AND ITS  SUCCESSORS AND ASSIGNS SHALL BE A THIRD
PARTY  BENEFICIARY  OF  EACH  AGREEMENT  OR  OBLIGATION  IN THIS  AGREEMENT  RELATING  TO THE  RIGHTS  OF THE  SWAP
COUNTERPARTY HEREUNDER.

                                                [Signatures Follow]

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

         IN WITNESS  WHEREOF,  the Depositor and the Grantor Trustee have caused their names to be signed hereto by
their respective officers thereunto duly authorized as of the day and year first above written.

                                                     STRUCTURED ASSET MORTGAGE
                                                     INVESTMENTS II INC, as Depositor

                                                     By:   /s/ Baron Silverstein         
                                                          Name: Baron Silverstein
                                                          Title: Senior Managing Director

                                                     WELLS FARGO BANK, NATIONAL
                                                     ASSOCIATION, as Grantor Trustee

                                                     By:  /s/ Stacey M. Taylor           
                                                          Name: Stacey M. Taylor
                                                          Title: Vice President

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

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

         On the 31st day of August,  2007,  before me, a notary public in and for said State,  personally  appeared
Baron Silverstein,  known to me to be a Senior Managing Director of Structured Asset Mortgage  Investments II Inc.,
the  corporation  that  executed  the within  instrument,  and also known to me to be the person who executed it on
behalf of said corporation, and acknowledged to me that such corporation executed the within instrument.

         IN WITNESS  WHEREOF,  I have  hereunto  set my hand and affixed my official  seal the day and year in this
certificate first above written.

                                                                         /s/ Michelle Sterling
                                                                                 Notary Public

[Notarial Seal]

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

STATE OF MARYLAND                        )
                                         )        ss.:
COUNTY OF HOWARD                         )

         On the 31st day of August,  2007,  before me, a notary public in and for said State,  personally  appeared
Stacey M. Taylor,  known to me to be a Vice President of Wells Fargo Bank,  National  Association,  the corporation
that  executed  the within  instrument,  and also known to me to be the  person who  executed  it on behalf of said
corporation, and acknowledged to me that such corporation executed the within instrument.

         IN WITNESS  WHEREOF,  I have  hereunto  set my hand and affixed my official  seal the day and year in this
certificate first above written.

                                                              /s/ Darron C. Woodus
                                                                      Notary Public

[Notarial Seal]

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

                                                     EXHIBIT A
                                          Form of Class A-4B Certificate

         THE CURRENT  PRINCIPAL AMOUNT OF THIS  CERTIFICATE  WILL BE DECREASED BY THE PRINCIPAL  PAYMENTS MADE WITH
RESPECT HERETO AND UNDERLYING  REALIZED LOSSES  ALLOCABLE TO THE UNDERLYING  CERTIFICATES.  ACCORDINGLY,  FOLLOWING
THE INITIAL ISSUANCE OF THE  CERTIFICATES,  THE CURRENT PRINCIPAL AMOUNT OF THIS CERTIFICATE WILL BE DIFFERENT FROM
THE  DENOMINATION  SHOWN BELOW.  ANYONE  ACQUIRING THIS  CERTIFICATE MAY ASCERTAIN ITS CURRENT  PRINCIPAL AMOUNT BY
INQUIRY OF THE GRANTOR TRUSTEE NAMED HEREIN.

         UNLESS THIS  CERTIFICATE IS PRESENTED BY AN AUTHORIZED  REPRESENTATIVE  OF THE DEPOSITORY TRUST COMPANY TO
THE GRANTOR TRUSTEE OR ITS AGENT FOR REGISTRATION OF TRANSFER,  EXCHANGE OR PAYMENT,  AND ANY CERTIFICATE ISSUED IS
REGISTERED  IN THE NAME OF CEDE & CO. OR SUCH  OTHER  NAME AS  REQUESTED  BY AN  AUTHORIZED  REPRESENTATIVE  OF THE
DEPOSITORY  TRUST  COMPANY  AND ANY  PAYMENT IS MADE TO CEDE & CO.,  ANY  TRANSFER,  PLEDGE OR OTHER USE HEREOF FOR
VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL SINCE THE REGISTERED  OWNER HEREOF,  CEDE & CO., HAS AN INTEREST
HEREIN.

         THIS  CERTIFICATE  MAY NOT BE ACQUIRED  DIRECTLY OR  INDIRECTLY  BY, OR ON BEHALF OF, AN EMPLOYEE  BENEFIT
PLAN OR OTHER RETIREMENT  ARRANGEMENT  WHICH IS SUBJECT TO TITLE I OF THE EMPLOYEE  RETIREMENT  INCOME SECURITY ACT
OF 1974, AS AMENDED  ("ERISA"),  AND/OR SECTION 4975 OF THE INTERNAL  REVENUE CODE OF 1986, AS AMENDED,  UNLESS THE
PURCHASE OF THE CLASS A-4B  CERTIFICATES  ON BEHALF OF SUCH PERSON WILL NOT RESULT IN OR  CONSTITUTE  A  NON-EXEMPT
PROHIBITED  TRANSACTION  UNDER ERISA OR SECTION 4975 OF THE CODE, IS PERMISSIBLE  UNDER APPLICABLE LAW AND WILL NOT
GIVE RISE TO ANY  OBLIGATIONS ON THE PART OF THE  DEPOSITOR,  THE SERVICER,  THE UNDERLYING  TRUSTEE OR THE GRANTOR
TRUSTEE IN ADDITION TO THOSE OBLIGATIONS SET FORTH IN THE UNDERLYING POOLING AND SERVICING AGREEMENT.

         ANY PERSON  ACQUIRING AN INTEREST IN A CERTIFICATE,  BY ACQUISITION OF SUCH  CERTIFICATE,  SHALL BE DEEMED
TO HAVE  REPRESENTED TO THE GRANTOR  TRUSTEE THAT EITHER:  (I) IT IS NOT ACQUIRING AN INTEREST IN SUCH  CERTIFICATE
DIRECTLY OR  INDIRECTLY  BY, OR ON BEHALF OF, AN EMPLOYEE  BENEFIT PLAN OR OTHER  RETIREMENT  ARRANGEMENT  WHICH IS
SUBJECT TO TITLE I OF ERISA AND/OR  SECTION 4975 OF THE CODE,  OR (II) THE TRANSFER  AND/OR  HOLDING OF AN INTEREST
IN SUCH CERTIFICATE TO THAT PERSON AND THE SUBSEQUENT  SERVICING,  MANAGEMENT AND/OR OPERATION OF THE TRUST AND ITS
ASSETS:  (I)  WILL  NOT  RESULT  IN ANY  PROHIBITED  TRANSACTION  WHICH  IS NOT  COVERED  UNDER A  STATUTORY  OR AN
ADMINISTRATIVE  INDIVIDUAL  OR CLASS  PROHIBITED  TRANSACTION  EXEMPTION  ("PTE"),  INCLUDING,  BUT NOT LIMITED TO,
SECTION  408(B)(17) OF ERISA,  PTE 84-14, PTE 90-1, PTE 91-38, PTE 95-60 OR PTE 96-23 AND (II) WILL NOT SUBJECT THE
DEPOSITOR,  THE SERVICER,  THE  UNDERLYING  TRUSTEE OR THE GRANTOR  TRUSTEE TO ANY  OBLIGATION IN ADDITION TO THOSE
UNDERTAKEN  IN THE  UNDERLYING  POOLING  AND  SERVICING  AGREEMENT.  THE  GRANTOR  TRUSTEE  WILL NOT BE REQUIRED TO
MONITOR,  DETERMINE OR INQUIRE AS TO COMPLIANCE WITH THE FOREGOING  TRANSFER  RESTRICTIONS AND NONE OF SUCH PERSONS
SHALL HAVE ANY  LIABILITY  FOR THE  TRANSFER OF ANY  BOOK-ENTRY  CERTIFICATES  MADE IN  VIOLATION  OF THE  TRANSFER
RESTRICTIONS SET FORTH IN THE GRANTOR TRUST AGREEMENT.

Certificate No.  [__]                                   Variable Pass-Through Rate

Grantor Trust Class A-4B

Date of Grantor Trust Agreement:                        Aggregate Initial Current Principal Amount of this
August 31, 2007                                         Certificate as of the Cut-off Date: $[____________]

Cut-off Date: August 1, 2007

First Distribution Date:                                Initial Current Principal Amount of this
September 25, 2007                                      Certificate as of the Cut-off Date:  $[____________]

Assumed Final Distribution Date:                        CUSIP: [____________]
[August] 25, 2037

                              STRUCTURED ASSET MORTGAGE INVESTMENTS II GRANTOR TRUST
                                                     2007-AR4
                                        MORTGAGE PASS-THROUGH CERTIFICATES
                                                  SERIES 2007-AR4

         evidencing a  fractional  undivided  interest in the  distributions  allocable to the Grantor  Trust Class
         A-4B  Certificates with respect to a Trust Fund consisting  primarily of the Underlying  Certificates sold
         by STRUCTURED ASSET MORTGAGE INVESTMENTS II INC.

         This  Certificate  is  payable  solely  from the  assets  of the Trust  Fund,  and does not  represent  an
obligation  of or interest in Structured  Asset  Mortgage  Investments  II Inc.  (the  "Depositor")  or the Grantor
Trustee  referred  to below or any of their  affiliates  or any other  person.  Neither  this  Certificate  nor the
Underlying  Certificates  are guaranteed or insured by any  governmental  entity or by the  Depositor,  the Grantor
Trustee or any of their  respective  affiliates or any other  person.  None of the  Depositor,  the Servicer or the
Grantor  Trustee nor any of their  respective  affiliates  will have any obligation with respect to any certificate
or other obligation secured by or payable from payments on the Certificates.

         This certifies that Cede & Co. is the registered  owner of the  Fractional  Undivided  Interest  evidenced
hereby in the beneficial  ownership  interest of Certificates of the same Class as this Certificate in a trust (the
"Trust Fund")  consisting  primarily of the Class A-4B  Certificates  (the "Underlying  Certificates")  sold by the
Depositor.  The Trust Fund was created  pursuant to the Grantor Trust  Agreement,  dated as of August 31, 2007 (the
"Agreement"),  among the Depositor, as depositor,  Wells Fargo Bank, National Association,  as grantor trustee (the
"Grantor  Trustee"),  a summary of certain of the  pertinent  provisions  of which is set forth  hereafter.  To the
extent  not  defined  herein,  capitalized  terms  used  herein  shall  have the  meaning  ascribed  to them in the
Agreement.  This  Certificate  is issued  under and is subject  to the  terms,  provisions  and  conditions  of the
Agreement,  to which  Agreement the Holder of this  Certificate by virtue of its  acceptance  hereof assents and by
which such Holder is bound.

         Interest on this Certificate  will accrue during the period from and including the preceding  Distribution
Date (or in the case of the first  Distribution  Date, from the Closing Date) to and including the day prior to the
current  Distribution  Date on the Current  Principal  Amount hereof at a per annum rate equal to the  Pass-Through
Rate set forth in the Agreement.  The Grantor  Trustee will  distribute on the 25th day of each month,  or, if such
25th day is not a Business Day, the immediately  following Business Day (each, a "Distribution  Date"),  commencing
on the first  Distribution  Date specified above, to the Person in whose name this Certificate is registered at the
close of business on the  Business  Day  immediately  preceding  such  Distribution  Date,  an amount  equal to the
product of the  Fractional  Undivided  Interest  evidenced  by this  Certificate  and the amount (of  interest  and
principal,  if  any)  required  to be  distributed  to the  Holders  of  Certificates  of the  same  Class  as this
Certificate.  The Assumed Final  Distribution Date is the Distribution Date in the month immediately  following the
month of the latest  scheduled  maturity  date of any  Mortgage  Loan and is not likely to be the date on which the
Current Principal Amount of this Class of Certificates will be reduced to zero.

         Distributions  on this  Certificate  will be made by the Grantor Trustee by check mailed to the address of
the Person entitled  thereto as such name and address shall appear on the  Certificate  Register or, if such Person
so requests by  notifying  the Grantor  Trustee in writing,  as  specified in the  Agreement.  Notwithstanding  the
above,  the final  distribution  on this  Certificate  will be made after due notice by the Grantor  Trustee of the
pendency of such  distribution  and only upon  presentation  and  surrender  of this  Certificate  at the office or
agency  appointed  by the Grantor  Trustee for that purpose and  designated  in such  notice.  The Initial  Current
Principal  Amount of this  Certificate is set forth above.  The Current  Principal Amount hereof will be reduced to
the extent of  distributions  allocable  to principal  hereon and any  Underlying  Realized  Losses on the Mortgage
Loans allocable to the Underlying  Certificates (and,  correspondingly,  to the Certificates).  This Certificate is
one of a duly  authorized  issue of Certificates  designated as set forth on the face hereof (the  "Certificates"),
issued in one Class. The  Certificates,  in the aggregate,  evidence the entire  beneficial  ownership  interest in
the Trust Fund formed pursuant to the Agreement.

         The  Certificateholder,  by its  acceptance  of this  Certificate,  agrees that it will look solely to the
Trust Fund for payment  hereunder  and that the  Grantor  Trustee is not liable to the  Certificateholders  for any
amount payable under this Certificate or the Agreement or, except as expressly  provided in the Agreement,  subject
to any liability under the Agreement.

         This  Certificate  does not purport to summarize  the Agreement and reference is made to the Agreement for
the interests,  rights and  limitations of rights,  benefits,  obligations  and duties  evidenced  hereby,  and the
rights, duties and immunities of the Grantor Trustee with respect thereto.

         The  Agreement  permits,  with  certain  exceptions  therein  provided,  the  amendment  thereof  and  the
modification  of the rights and  obligations  of the Depositor and the rights of the  Certificateholders  under the
Agreement  from  time to time by the  Depositor  and the  Grantor  Trustee  with  the  consent  of the  Holders  of
Certificates  evidencing  Fractional Undivided Interests  aggregating not less than 51% of the Trust Fund. Any such
consent  by the Holder of this  Certificate  shall be  conclusive  and  binding on such  Holder and upon all future
Holders of this  Certificate and of any Certificate  issued upon the transfer hereof or in lieu hereof,  whether or
not notation of such consent is made upon this Certificate.  The Agreement also permits the amendment  thereof,  in
certain  limited  circumstances,  without the consent of the Holders of any of the  Certificates  or the consent of
the Swap  Counterparty,  or without the consent of the Holders of any of the  Certificates  but with the consent of
the Swap Counterparty.

         As provided in the Agreement and subject to certain  limitations  therein set forth,  the transfer of this
Certificate  is  registerable  with the Grantor  Trustee upon surrender of this  Certificate  for  registration  of
transfer at the offices or agencies  maintained  by the Grantor  Trustee for such  purposes,  duly  endorsed by, or
accompanied by a written  instrument of transfer in form  satisfactory  to, the Grantor  Trustee,  duly executed by
the  Holder  hereof  or such  Holder's  attorney  duly  authorized  in  writing,  and  thereupon  one or  more  new
Certificates  in authorized  denominations  representing a like  aggregate  Fractional  Undivided  Interest will be
issued to the  designated  transferee.  The  Certificates  are issuable  only as  registered  Certificates  without
coupons in the Class and  denominations  specified in the  Agreement.  As provided in the  Agreement and subject to
certain  limitations  therein  set  forth,  this  Certificate  is  exchangeable  for one or more  new  Certificates
evidencing  the same Class and in the same  aggregate  Fractional  Undivided  Interest,  as requested by the Holder
surrendering the same.

         No service charge will be made to the  Certificateholders  for any such registration of transfer,  but the
Grantor  Trustee may require payment of a sum sufficient to cover any tax or other  governmental  charge payable in
connection  therewith.  The  Depositor,  the  Grantor  Trustee and any agent of any of them may treat the Person in
whose name this  Certificate  is  registered  as the owner  hereof for all  purposes,  and none of  Depositor,  the
Grantor  Trustee or any such agent shall be  affected by notice to the  contrary.  The  obligations  created by the
Agreement and the Trust Fund created  thereby (other than the  obligations  to make payments to  Certificateholders
with respect to the termination of the Agreement)  shall  terminate upon the termination of the Underlying  Pooling
and  Servicing  Agreement  or upon the  making  of the final  payment  or other  liquidation  with  respect  to the
Underlying  Certificates.  In no event,  however,  will the Trust Fund created by the Agreement continue beyond the
expiration of 21 years after the death of certain persons identified in the Agreement.

         Unless this  Certificate  has been  counter-signed  by an authorized  signatory of the Grantor  Trustee by
manual signature,  this Certificate  shall not be entitled to any benefit under the Agreement,  or be valid for any
purpose.

                                                [Signatures Follow]

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

         IN WITNESS WHEREOF, the Grantor Trustee has caused this Certificate to be duly executed.

Dated: August 31, 2007

                                        WELLS FARGO BANK, NATIONAL ASSOCIATION,
                                        Not in its individual capacity but solely as Grantor Trustee

                                        By: _____________________________________
                                            Authorized Signatory

                                           CERTIFICATE OF AUTHENTICATION

         This is one of the Class A-4B Certificates referred to in the within-mentioned Agreement.

                                        WELLS FARGO BANK, NATIONAL ASSOCIATION,
                                        as Grantor Trustee

                                        By: _____________________________________
                                            Authorized Signatory

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

                                                    ASSIGNMENT

         FOR   VALUE   RECEIVED,    the   undersigned    hereby   sell(s),    assign(s)   and   transfer(s)    unto
____________________________________  (Please  print or  typewrite  name and address  including  postal zip code of
assignee) a Fractional  Undivided  Interest  evidenced by the within Mortgage  Pass-Through  Certificate and hereby
authorizes  the transfer of  registration  of such  interest to assignee on the  Certificate  Register of the Trust
Fund.

         I (We) further direct the Grantor  Trustee to issue a new  Certificate of a like  denomination  and Class,
to the above named assignee and deliver such Certificate to the following address:

         Dated:                             _________________________________________
                                            Signature by or on behalf of assignor

                                            _________________________________________
                                            Signature Guaranteed

                                             DISTRIBUTION INSTRUCTIONS

         The assignee should include the following for purposes of distribution:

         Distributions  shall  be  made,  by  wire  transfer  or  otherwise,  in  immediately  available  funds  to
__________________________________  for the account of  _____________________________  account  number  __________,
or, if mailed by check, to  _________________________________________.  Applicable  statements  should be mailed to
_________________________________________________________.      This      information      is      provided      by
_______________________________________, the assignee named above, or ____________________________, as its agent.

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

                                                     EXHIBIT B

                                     COPY OF UNDERLYING CLASS A-4B CERTIFICATE

                  SOLELY FOR U.S.  FEDERAL  INCOME TAX  PURPOSES,  THIS  CERTIFICATE  IS A "REGULAR  INTEREST" IN A
"REAL ESTATE MORTGAGE INVESTMENT CONDUIT," AS THOSE TERMS ARE DEFINED,  RESPECTIVELY,  IN SECTIONS 860G AND 860D OF
THE INTERNAL REVENUE CODE OF 1986, AS AMENDED (THE "CODE").

                  THE CURRENT  PRINCIPAL  AMOUNT OF THIS  CERTIFICATE  WILL BE DECREASED BY THE PRINCIPAL  PAYMENTS
HEREON AND REALIZED LOSSES ALLOCATED HERETO AND INCREASED TO THE EXTENT OF NET DEFERRED  INTEREST  ALLOCATED HERETO
AS SET FORTH IN THE  AGREEMENT.  ACCORDINGLY,  FOLLOWING  THE  INITIAL  ISSUANCE OF THE  CERTIFICATES,  THE CURRENT
PRINCIPAL AMOUNT OF THIS CERTIFICATE  WILL BE DIFFERENT FROM THE  DENOMINATION  SHOWN BELOW.  ANYONE ACQUIRING THIS
CERTIFICATE MAY ASCERTAIN ITS CURRENT PRINCIPAL AMOUNT BY INQUIRY OF THE TRUSTEE NAMED HEREIN.

                  UNLESS THIS  CERTIFICATE IS PRESENTED BY AN AUTHORIZED  REPRESENTATIVE  OF THE  DEPOSITORY  TRUST
COMPANY TO THE TRUSTEE OR ITS AGENT FOR REGISTRATION OF TRANSFER,  EXCHANGE OR PAYMENT,  AND ANY CERTIFICATE ISSUED
IS  REGISTERED  IN THE NAME OF WELLS  FARGO,  N.A.  AS  GRANTOR  TRUSTEE  OR SUCH  OTHER  NAME AS  REQUESTED  BY AN
AUTHORIZED  REPRESENTATIVE  OF THE DEPOSITORY TRUST COMPANY AND ANY PAYMENT IS MADE TO WELLS FARGO, N.A. AS GRANTOR
TRUSTEE,  ANY  TRANSFER,  PLEDGE OR OTHER USE HEREOF FOR VALUE OR OTHERWISE  BY OR TO ANY PERSON IS WRONGFUL  SINCE
THE REGISTERED OWNER HEREOF, WELLS FARGO, N.A. AS GRANTOR TRUSTEE, HAS AN INTEREST HEREIN.

Certificate No. 1                                          Variable Pass-Through Rate

Underlying Class A-4B
Super Senior

                                                           Aggregate Initial Current Principal Amount of this
Date of Pooling and Servicing Agreement and Cut-off Date:  Certificate as of the Cut-off Date:
August 1, 2007                                             $[_______]

First Distribution Date:                                   Initial Current Principal Amount of this Certificate as
September 25, 2007                                         of the Cut-off Date:   $[_________]

Servicer:                                                  CUSIP: [________]
EMC Mortgage Corporation

Assumed Final Distribution Date:
[August] 25, 2037

                               STRUCTURED ASSET MORTGAGE INVESTMENTS II TRUST 2007-AR4
                                          MORTGAGE PASS-THROUGH CERTIFICATE
                                                   SERIES 2007-AR4

         evidencing a  fractional  undivided  interest in the  distributions  allocable to the  Underlying
         Class  A-4B  Certificates  with  respect  to a  Trust  Fund  consisting  primarily  of a pool  of
         adjustable  interest  rate  mortgage  loans  secured  by  first  liens  on  one-  to  four-family
         residential  properties (the "Mortgage Loans") and sold by Structured Asset Mortgage  Investments
         II Inc.

                  This  Certificate  is payable solely from the assets of the Trust Fund, and does not represent an
obligation of or an interest in Structured  Asset  Mortgage  Investments  II Inc.  ("SAMI II"), the Servicer or the
Trustee  referred  to below or any of their  affiliates  or any other  person.  Neither  this  Certificate  nor the
underlying  Mortgage Loans are guaranteed or insured by any governmental  entity or by SAMI II, the Servicer or the
Trustee or any of their  affiliates or any other person.  None of SAMI II, the Servicer or any of their  affiliates
will have any obligation  with respect to any certificate or other  obligation  secured by or payable from payments
on the Certificates.

                  This  certifies  that Wells  Fargo,  N.A.  as  Grantor  Trustee  is the  registered  owner of the
Fractional  Undivided  Interest  evidenced hereby in the beneficial  ownership interest of Certificates of the same
Class as this  Certificate  in a trust (the "Trust Fund")  primarily  consisting of the Mortgage Loans sold by SAMI
II. The Mortgage  Loans were sold by EMC Mortgage  Corporation  ("EMC") to SAMI II. EMC will act as servicer of the
Mortgage  Loans (the  "Servicer,"  which term  includes any  successors  thereto  under the  Agreement  referred to
below).  The Trust Fund was created  pursuant to the Pooling and Servicing  Agreement  dated as of the Cut-off Date
specified above (the "Agreement"),  among SAMI II, as depositor (the "Seller"),  EMC and Wells Fargo Bank, National
Association,  as trustee (the  "Trustee"),  a summary of certain of the pertinent  provisions of which is set forth
hereafter.  To the extent not defined  herein,  capitalized  terms used herein  shall have the meaning  ascribed to
them in the  Agreement.  This  Certificate  is issued under and is subject to the terms,  provisions and conditions
of the Agreement,  to which  Agreement the Holder of this  Certificate  by virtue of its acceptance  hereof assents
and by which such Holder is bound.

                  Interest on this  Certificate  will accrue  during the period from and  including  the  preceding
Distribution Date (as hereinafter  defined) (or in the case of the first  Distribution Date, from the Closing Date)
to and including the day prior to the current  Distribution  Date on the Current  Principal  Amount hereof at a per
annum rate equal to the  Pass-Through  Rate set forth in the  Agreement.  The Trustee will  distribute  on the 25th
day of each month,  or, if such 25th day is not a Business Day, the  immediately  following  Business Day (each,  a
"Distribution  Date"),  commencing on the first Distribution Date specified above, to the Person in whose name this
Certificate  is registered  at the close of business on the last  Business Day of the month  preceding the month in
which  such  Distribution  Date  occurs,  an amount  equal to the  product  of the  Fractional  Undivided  Interest
evidenced by this  Certificate  and the amount (of interest,  if any) required to be  distributed to the Holders of
Certificates of the same Class as this  Certificate.  The Assumed Final  Distribution Date is the Distribution Date
in the month  following  the latest  scheduled  maturity date of any Mortgage Loan and is not likely to be the date
on which the Current Principal Amount of this Class of Certificates will be reduced to zero.

                  Distributions  on this  Certificate will be made by the Trustee by check mailed to the address of
the Person entitled  thereto as such name and address shall appear on the  Certificate  Register or, if such Person
so requests by notifying the Trustee in writing as specified in the Agreement,  by wire  transfer.  Notwithstanding
the  above,  the final  distribution  on this  Certificate  will be made  after due  notice by the  Trustee  of the
pendency of such  distribution  and only upon  presentation  and  surrender  of this  Certificate  at the office or
agency  appointed by the Trustee for that purpose and  designated  in such notice.  The initial  Current  Principal
Amount of this  Certificate is set forth above.  The Current  Principal Amount hereof will be reduced to the extent
of  distributions  allocable to principal  hereon and Realized Losses allocated hereto and will be increased to the
extent of Net Deferred Interest allocated thereto, in each case, as set forth in the Agreement.

                  This  Certificate is one of a duly authorized  issue of  Certificates  designated as set forth on
the face  hereof  (the  "Certificates").  The  Certificates,  in the  aggregate,  evidence  the  entire  beneficial
ownership interest in the Trust Fund formed pursuant to the Agreement.

                  The  Certificateholder,  by its acceptance of this  Certificate,  agrees that it will look solely
to the Trust Fund for  payment  hereunder  and that the  Trustee is not  liable to the  Certificateholders  for any
amount payable under this Certificate or the Agreement or, except as expressly  provided in the Agreement,  subject
to any liability under the Agreement.

                  This  Certificate  does not purport to  summarize  the  Agreement  and  reference  is made to the
Agreement for the interests,  rights and limitations of rights, benefits,  obligations and duties evidenced hereby,
and the rights, duties and immunities of the Trustee.

                  The Agreement permits,  with certain  exceptions therein provided:  (i) the amendment thereof and
the  modification of the rights and  obligations of the Seller,  the Servicer and the Trustee and the rights of the
Certificateholders  under the  Agreement  from time to time by the Seller,  the Servicer and the Trustee,  and (ii)
the amendment  thereof by the Servicer and the Trustee with the consent of the Holders of Certificates,  evidencing
Fractional  Undivided  Interests  aggregating not less than 51% of the Trust Fund (or in certain cases,  Holders of
Certificates of affected Classes evidencing such percentage of the Fractional  Undivided  Interests  thereof).  Any
such consent by the Holder of this  Certificate  shall be conclusive and binding on such Holder and upon all future
Holders of this  Certificate  and of any  Certificate  issued upon the transfer hereof or in lieu hereof whether or
not notation of such consent is made upon this  Certificate.  The Agreement  also permits the amendment  thereof in
certain limited circumstances, without the consent of the Holders of any of the Certificates.

                  As provided in the Agreement and subject to certain  limitations  therein set forth, the transfer
of this  Certificate  will be registered with the Trustee upon surrender of this  Certificate  for  registration of
transfer at the offices or agencies  maintained by the Trustee for such purposes,  duly endorsed by, or accompanied
by a written  instrument  of transfer in form  satisfactory  to the Trustee duly  executed by the Holder  hereof or
such Holder's  attorney  duly  authorized in writing,  and  thereupon  one or more new  Certificates  in authorized
denominations  representing  a like  aggregate  Fractional  Undivided  Interest  will be issued  to the  designated
transferee.

                  The  Certificates  are issuable only as registered  Certificates  without  coupons in the Classes
and  denominations  specified in the  Agreement.  As provided in the Agreement  and subject to certain  limitations
therein set forth,  this  Certificate is exchangeable  for one or more new  Certificates  evidencing the same Class
and in the same aggregate Fractional Undivided Interest, as requested by the Holder surrendering the same.

                  No service charge will be made to the  Certificateholders  for any such registration of transfer,
but the Trustee may require  payment of a sum sufficient to cover any tax or other  governmental  charge payable in
connection  therewith.  The Seller, the Servicer,  the Trustee and any agent of any of them may treat the Person in
whose name this  Certificate  is  registered  as the owner  hereof for all  purposes,  and none of the Seller,  the
Servicer, the Trustee or any such agent shall be affected by notice to the contrary.

                  The  obligations  created by the  Agreement  and the Trust Fund created  thereby  (other than the
obligations  to make  payments to  Certificateholders  with  respect to the  termination  of the  Agreement)  shall
terminate  upon the earlier of (i) the later of (A) the  maturity or other  liquidation  (or Advance  with  respect
thereto) of the last  Mortgage  Loan  remaining in the Trust Fund and  disposition  of all property  acquired  upon
foreclosure  or deed in lieu of  foreclosure of any Mortgage Loan and (B) the remittance of all funds due under the
Agreement,  or (ii) the optional  repurchase  by the party named in the  Agreement  of all the  Mortgage  Loans and
other assets of the Trust Fund in  accordance  with the terms of the  Agreement.  Such optional  repurchase  may be
made only if (i) the Stated  Principal  Balance of the Mortgage  Loans at the time of any such  repurchase  is less
than 10% of (a) the  Cut-off  Date  Balance  of such  Mortgage  Loans  and (b) the  Pre-Funded  Amount  or (ii) the
Depositor,  based upon an Opinion of Counsel  addressed to the  Depositor and the Trustee has  determined  that the
REMIC  status of any REMIC  under the  Agreement  has been lost or that a  substantial  risk exists that such REMIC
status  will be lost for the  then-current  taxable  year.  The  exercise  of such  right  will  effect  the  early
retirement  of the  Certificates.  In no event,  however,  will the Trust Fund  created by the  Agreement  continue
beyond the expiration of 21 years after the death of certain persons identified in the Agreement.

                  Unless this  Certificate  has been  countersigned  by an  authorized  signatory of the Trustee by
manual  signature,  this  Certificate  shall not be entitled to any benefit under the Agreement or be valid for any
purpose.

                  IN WITNESS WHEREOF, the Trustee has caused this Certificate to be duly executed.

Dated: August 31, 2007                                        WELLS FARGO BANK, NATIONAL ASSOCIATION
                                                              Not in its individual capacity but solely as Trustee

                                                              By:_________________________________________________
                                                                                Authorized Signatory

                                            CERTIFICATE OF AUTHENTICATION

                  This  is one of the  Underlying  Class  A-4B  Certificates  referred  to in the  within-mentioned
Agreement.

                                                              WELLS FARGO BANK, NATIONAL ASSOCIATION
                                                              Authorized  signatory  of Wells Fargo Bank,  National
                                                              Association,  not  in  its  individual  capacity  but
                                                              solely as Trustee

                                                              By:__________________________________________________
                                                                                Authorized Signatory

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

                                                     ASSIGNMENT

                  FOR  VALUE  RECEIVED,   the  undersigned   hereby   sell(s),   assign(s)  and  transfer(s)   unto
__________________________________  (Please  print or  typewrite  name and  address  including  postal  zip code of
assignee) a Fractional  Undivided  Interest  evidenced by the within Mortgage  Pass-Through  Certificate and hereby
authorizes  the transfer of  registration  of such  interest to assignee on the  Certificate  Register of the Trust
Fund.

                  I  (We)  further  direct  the  Certificate  Registrar  to  issue  a  new  Certificate  of a  like
denomination and Class, to the above named assignee and deliver such Certificate to the following address:

Dated:
                                                              ____________________________________________________
                                                              Signature by or on behalf of assignor

                                                              ____________________________________________________
                                                              Signature Guaranteed

                                             DISTRIBUTION INSTRUCTIONS

                  The assignee should include the following for purposes of distribution:

                  Distributions  shall be made, by wire transfer or otherwise,  in immediately  available  funds to
_________________________________  for the account of _________________________  account number _____________,  or,
if   mailed   by   check,   to   ______________________________.   Applicable   statements   should  be  mailed  to
_____________________________________________.

                  This information is provided by    __________________,    the   assignee    named    above,    or
________________________, as its agent.

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

                                                     EXHIBIT C

                                                                           BEAR STEARNS CAPITAL MARKETS INC.
                                                                                          383 MADISON AVENUE
                                                                                    NEW YORK, NEW YORK 10179
                                                                                            TEL 212-272-2000

DATE:                      August 31, 2007

TO:                        Wells Fargo Bank, National Association, not individually, but solely
                           as Grantor Trustee for Structured Asset Mortgage Investments II
                           Grantor Trust 2007-AR4 (the "Trust")
ATTENTION:                 Structured Finance Agency & Trust-SAMI 2007-AR4
TELEPHONE:                 1-212-816-5805
FACSIMILE:                 1-212-816-5527

FROM:                      Derivatives Documentation
TELEPHONE:                 212-272-2711
FACSIMILE:                 212-272-9857

SUBJECT:                   Mortgage Derivatives Confirmation

REFERENCE NUMBER(S):       [_________]

The purpose of this letter  agreement  is to confirm the terms and  conditions  of the  Transaction  entered
into on the Trade Date  specified  below (the  "Transaction")  between  Bear  Stearns  Capital  Markets Inc.
("Bear Stearns") and Structured Asset Mortgage Investments II Grantor Trust 2007-AR4 ("Counterparty").  This
letter  agreement  constitutes  the  sole  and  complete  "Confirmation,"  as  referred  to in  the  "Master
Agreement" (as defined below), with respect to the Transaction.

1.       This  Confirmation is subject to and incorporates  the 2006 ISDA  Definitions (the  "Definitions"),
as published by the International  Swaps and Derivatives  Association,  Inc. ("ISDA").  The parties agree to
negotiate,   execute  and   deliver  an   agreement   in  the  form  of  the  1992  ISDA  Master   Agreement
(Multicurrency-Cross  Border)  (the "Form Master  Agreement"),  together  with the schedule  thereto and any
other  related  documents,   each  in  form  and  substance  as  the  parties  shall  in  good  faith  agree
(collectively,  the "Executed Master  Agreement").  In addition,  the parties agree that until execution and
delivery of the Executed Master Agreement,  a Form Master  Agreement,  shall be deemed to have been executed
and  delivered  by the parties on the Trade Date of the first  transaction  that by its terms is intended to
be governed by a Master  Agreement.  All provisions  contained in, or incorporated by reference to, the Form
Master Agreement or the Executed Master Agreement (as applicable,  the "Master  Agreement") shall govern the
Transaction  referenced  in this  Confirmation,  except as  expressly  modified  below.  This  Confirmation,
together  with all of the other  documents  confirming  any and all  Transactions  entered  into  between us
(regardless  of which branch,  if any,  either of us has acted  through) that by their terms are intended to
be  governed  by a  Master  Agreement,  shall  supplement,  form a part  of and  be  subject  to the  Master
Agreement.  In the  event  of any  inconsistency  between  the  provisions  of  this  Confirmation  and  the
Definitions  or Master  Agreement,  this  Confirmation  shall  prevail for the purpose of this  Transaction.
Terms  capitalized  but not  defined  herein  shall have the meaning  ascribed to them in the Grantor  Trust
Agreement,  dated as of August 31, 2007 (the "Grantor  Trust  Agreement")  among  Structured  Asset Mortgage
Investments II, Inc., as depositor (the  "Depositor"),  Wells Fargo Bank,  National  Association,  as paying
agent, securities  administrator and certificate registrar (the "Paying Agent",  "Securities  Administrator"
and "Certificate  Registrar") and Wells Fargo Bank, National Association,  as grantor trustee (the "Grantor
Trustee").

2.     The terms of the particular Transaction to which this Confirmation relates are as follows:

       Trade Date:       August 20, 2007

       Effective Date:   August 31, 2007

       Notional Amount:                     For  any  Calculation   Period,   the  Certificate   Principal
                                            Balance of the Grantor Trust  Certificates  as of the close of
                                            business   on  the  25th  day  of  the  month  in  which  such
                                            Calculation   Period  begins  (or,  if   remittances  on  such
                                            Grantor  Trust  Certificates  are not made on such day,  as of
                                            the  close  of   business  on  the  next  day  on  which  such
                                            remittances are made).

       Termination Date:                    The  earlier to occur of (a) the  Distribution  Date (as defined
                                            in the  Underlying  Pooling and Servicing  Agreement)  following
                                            the date on which the aggregate  outstanding  principal  balance
                                            of the  Underlying  Reference  Certificates  is  reduced to zero
                                            and the Deferred Interest  Carry-Forward  Balance is zero or (b)
                                            August  25,  2037,  subject,  in each  case,  to  adjustment  in
                                            accordance with the Business Day Convention.

       Grantor Trust Certificates:          The Class [____]  Certificates  (as defined in the Grantor Trust
                                            Agreement).

       Underlying Reference
       Certificates:                        The Class [____]  Certificates  (as defined in the  Underlying
                                            Pooling and Servicing Agreement).

       Bear Stearns
       Payment Amounts:

              Bear Stearns
              Payment Dates:                The 25th  calendar  day of each month  during the Term of this
                                            Transaction,  commencing  September 25, 2007 and ending on the
                                            Termination  Date,  subject to adjustment  in accordance  with
                                            the Business Day Convention

              Bear Stearns
              Payment Amounts:              On each Bear Stearns  Payment Date,  Bear Stearns shall pay to
                                            Counterparty  an  amount  equal to any Net  Deferred  Interest
                                            allocated  to  the  Certificate   Principal   Balance  of  the
                                            Underlying  Reference  Certificates  in  accordance  with  the
                                            definition  of  Net  Deferred   Interest  in  the   Underlying
                                            Pooling and  Servicing  Agreement  for the  Distribution  Date
                                            (as  defined  in  the   Underlying   Pooling   and   Servicing
                                            Agreement) occurring on such Bear Stearns Payment Date.

       Counterparty Payments:

              Counterparty
              Payment Dates:                     Each Bear Stearns Payment Date.

              Counterparty
              Payment Amounts #1:                On the initial  Counterparty  Payment Date,  zero and for
                                                 each Counterparty  Payment Date thereafter,  Counterparty
                                                 shall pay to Bear  Stearns an amount  equal to the lesser
                                                 of

                                                     (a)  the Deferred Interest  Carry-Forward Balance for
                                                          the previous  Counterparty Payment Date, and

                                                     (b)  the amount  distributed on the Distribution Date
                                                          (as  defined  in  the  Underlying   Pooling  and
                                                          Servicing    Agreement)    occurring   on   such
                                                          Counterparty  Payment  Date  to  the  Underlying
                                                          Reference   Certificates   in   respect  of  (i)
                                                          principal  reducing  the  Certificate  Principal
                                                          Balance    of    the    Underlying     Reference
                                                          Certificates   and  (ii)  Unpaid  Realized  Loss
                                                          Amounts.

              Deferred Interest
              Carry-Forward Balance:             For each  Counterparty  Payment  Date, an amount equal to
                                                 the sum of:

                                                 (a) the  Deferred  Interest  Carry-Forward  Balance as of
                                                 the  preceding  Counterparty  Payment Date (which for the
                                                 initial  Counterparty  Payment Date shall be deemed to be
                                                 zero),  plus (b) any Bear Stearns Payment Amounts paid by
                                                 Bear  Stearns  to  Counterparty   on  such   Counterparty
                                                 Payment Date less (c) any  Counterparty  Payment  Amounts
                                                 #1 paid  to  Bear  Stearns  by the  Counterparty  on such
                                                 Counterparty Payment Date.

              Counterparty
              Payment Amounts #2:                On each  Counterparty  Payment Date,  Counterparty  shall
                                                 pay to Bear  Stearns an amount  equal to  interest on the
                                                 Deferred  Interest   Carry-Forward   Balance  as  of  the
                                                 preceding  Counterparty  Payment  Date  accrued  from and
                                                 including,  the preceding  Counterparty  Payment Date to,
                                                 but excluding,  such Counterparty  Payment Date at a rate
                                                 equal  to  the  Pass-Through  Rate  (as  defined  in  the
                                                 Underlying  Pooling  and  Servicing  Agreement)  for  the
                                                 Underlying Reference Certificates.

     Additional Payment:                         On August 31, 2007,  subject to  adjustment in accordance
                                                 with the Business Day Convention,  Counterparty shall pay
                                                 to Bear Stearns the amount of USD 22,000

     Business Day Convention:                    Following

     Business Days:                              Any day other than (i) a Saturday or a Sunday,  or (ii) a
                                                 day on which (a) the New York Stock  Exchange  or Federal
                                                 Reserve  is closed  or (b)  banking  institutions  in New
                                                 York  City or in any of the  jurisdictions  in which  the
                                                 Trustee,  the  Master  Servicer,   the  Servicer  or  the
                                                 Securities   Administrator   (each  as   defined  in  the
                                                 Underlying  Pooling and  Servicing  Agreement) is located
                                                 are authorized or obligated by law or executive  order to
                                                 be closed.

                                                 Calculation Agent:    Bear Stearns

     3.Additional Provisions:                    (a) Each party hereto is hereby advised and  acknowledges
                                                 that the other  party has engaged in (or  refrained  from
                                                 engaging in) substantial  financial  transactions and has
                                                 taken (or refrained from taking) other  material  actions
                                                 in  reliance  upon  the  entry  by the  parties  into the
                                                 Transaction   being   entered   into  on  the  terms  and
                                                 conditions  set  forth  herein  and in  the  Confirmation
                                                 relating  to  such  Transaction,   as  applicable.   This
                                                 paragraph  shall be deemed  repeated on the trade date of
                                                 each Transaction.

                                                 (b) On the second Business Day prior to each Bear Stearns
                                                 Payment Date, the Paying Agent shall provide Bear Stearns
                                                 with the amount and supporting calculations of any Bear
                                                 Stearns Payment Amounts,  Counterparty Payment Amounts
                                                 #1, and Counterparty Payment Amounts #2, if any, to be
                                                 paid on such Bear Stearns Payment Date or  Counterparty
                                                 Payment Date, as applicable.  For the avoidance of
                                                 doubt, Bear Stearns shall not be obligated to make any
                                                 payment on a Bear Stearns Payment Date until it has
                                                 received from the Paying Agent the information set forth
                                                 in the preceding sentence.

                                                 (c) Notwithstanding anything in Section 2(c) of the Form
                                                 Master Agreement to the contrary, if on any date an
                                                 amount would be owed by Bear Stearns to Counterparty
                                                 after application of the netting provisions of Section
                                                 2(c) of the Form Master Agreement with respect to such
                                                 date, subject to Section 3(b) above, Bear Stearns hereby
                                                 agrees to remit such payment to Counterparty one
                                                 Business Day prior to such date.

4.       Provisions Deemed Incorporated in a Schedule to the Form Master Agreement:

1)   The parties agree that  subparagraph  (ii) of Section 2(c) of the Form Master  Agreement  will apply to
     any Transaction.

2)  Termination Provisions. For purposes of the Form Master Agreement:

(a)      "Specified Entity" is not applicable to Bear Stearns or Counterparty for any purpose.

(b)      "Specified  Transaction"  is not applicable to Bear Stearns or Counterparty  for any purpose,  and,
accordingly, Section 5(a)(v) will not apply to Bear Stearns and will not apply to Counterparty.

(c)      Section  5(a)(i) of the Form  Master  Agreement  is hereby  amended by  deleting  the word  "third"
therein and replacing it with the word "second."

(d)      "Breach of  Agreement"  provision of Section  5(a)(ii)  will not apply to Bear Stearns and will not
apply to Counterparty.

(e)      "Credit Support  Default"  provisions of Section  5(a)(iii) will apply to Bear Stearns and will not
apply to Counterparty.

(f)      "Misrepresentation"  provisions  of Section  5(a)(iv)  will not apply to Bear  Stearns and will not
apply to Counterparty.

(g)      The "Merger  Without  Assumption"  provision of Section  5(a)(viii)  will apply to Bear Stearns and
will not apply to Counterparty.

(h) The "Cross Default"  provision of Section  5(a)(vi) will not apply to Bear Stearns and will not apply to
Counterparty.

(i)      The "Credit Event Upon Merger"  provisions  of Section  5(b)(iv) will not apply to Bear Stearns and
will not apply to Counterparty.

(j)      The "Bankruptcy"  provision of Section  5(a)(vii)(2)  will apply to Bear Stearns and will not apply
to Counterparty.

(k)      The "Automatic  Early  Termination"  provision of Section 6(a) will not apply to Bear Stearns or to
Counterparty.

(l)      Payments on Early Termination.  For the purpose of Section 6(e) of the Form Master Agreement:

         (i)      Market Quotation will apply.

         (ii)     The Second Method will apply.

(m)      "Termination Currency" means United States Dollars.

(n)      Additional Termination Events.

         (i)      The following shall constitute an Additional  Termination  Event, upon which  Counterparty
         will have the right to designate an  Additional  Termination  Event,  Bear Stearns will be the sole
         Affected  Party and all  Transactions  hereunder  will be Affected  Transactions.  For avoidance of
         doubt, the above remedy shall be the sole remedy  available to Counterparty  upon the occurrence of
         such Additional Termination Event.

              (a) After failing to satisfy the First Trigger Required  Ratings,  the failure by Bear Stearns
                  to comply with Section 17(a) below; and

              (b) After failing to satisfy the Second Trigger Required Ratings,  the failure by Bear Stearns
                  to,  within 30 days from such  failure,  at its own  expense,  (i) transfer its rights and
                  obligations  under the Form Master  Agreement  to a  replacement  party that has (or whose
                  guarantor  has) the First Trigger  Required  Ratings,  (ii) obtain a guarantor  having the
                  First  Trigger  Required  Ratings  for Bear  Stearns'  obligations  under the Form  Master
                  Agreement with a form of guaranty  satisfying the Rating Agency  Condition;  provided that
                  if such  form of  guaranty  is  identical  to the  Guaranty  (other  than  the name of the
                  guarantor,  the effective date and the date of such guaranty),  satisfaction of the Rating
                  Agency  Condition  shall not be required  and Bear  Stearns  shall  provide a copy of such
                  guaranty to each Rating  Agency then rating the Grantor Trust  Certificates  or (iii) take
                  such other steps that satisfies the Rating Agency Condition.

         (ii)     The  failure  by  Counterparty  to  comply  with  Section  16 below  shall  constitute  an
         Additional  Termination Event hereunder,  upon which  Counterparty shall be the sole Affected Party
         and all Transactions hereunder shall be Affected Transactions.

3) Tax  Representations.  Bear  Stearns  represents  that it is a  corporation  duly  organized  and validly
existing under the laws of the State of Delaware,  and Counterparty  represents that it is a statutory trust
duly organized and validly existing under the laws of the State of Delaware.

4) [Reserved]

5) Documents to be Delivered. For the purpose of Section 4(a):

(1)      Tax forms, documents, or certificates to be delivered are:

Party required to deliver document    Form/Document/                     Date by which to
                                      Certificate                        be delivered
Bear Stearns and                      Any    document    required   or   Promptly  after  the  earlier  of (i)  reasonable
the Counterparty                      reasonably  requested  to  allow   demand  by  either  party or (ii)  learning  that
                                      the   other    party   to   make   such form or document is required
                                      payments  under the Form  Master
                                      Agreement  without any deduction
                                      or  withholding  for  or on  the
                                      account  of any Tax or with such
                                      deduction  or  withholding  at a
                                      reduced rate

(2)      Other documents to be delivered are:

Party required to        Form/Document/                  Date by which to              Covered by Section 3(d) Representation
deliver document         Certificate                     be delivered
Bear Stearns and         Any documents required by       Upon the execution and        Yes
the Counterparty         the receiving party to          delivery of the Form
                         evidence the authority of       Master Agreement and such
                         the delivering party or its     Confirmation
                         Credit Support Provider, if
                         any, for it to execute and
                         deliver the Form Master
                         Agreement, any Confirmation
                         , and any Credit Support
                         Documents to which it is a
                         party, and to evidence the
                         authority of the delivering
                         party or its Credit Support
                         Provider to perform its
                         obligations under the Form
                         Master Agreement, such
                         Confirmation and/or Credit
                         Support Document, as the
                         case may be

Bear Stearns and         A certificate of an             Upon the execution and        Yes
the Counterparty         authorized officer of the       delivery of the Form
                         party, as to the incumbency     Master Agreement and such
                         and authority of the            Confirmation
                         respective officers of the
                         party signing the Form Master
                         Agreement, any relevant
                         Credit Support Document, or
                         any  Confirmation, as the
                         case may be

Bear Stearns             An opinion of counsel of such   Upon the execution and        No
                         party regarding the             delivery of the Form
                         enforceability of this          Master Agreement and such
                         Confirmation in a form          Confirmation
                         reasonably satisfactory to
                         the other party

Bear Stearns             A copy of its most recent       Promptly after the request
                         audited consolidated            of by other Party
                         financial statements

6)  Miscellaneous.

(a)      Address for Notices:  For the purposes of Section 12(a) of the Form Master Agreement:

         Contact details for notices or communications to Bear Stearns:

                  Tel: 212-272-9326
                  Fax: 212-272-0543
                  Attention: Credit Derivatives Department

                  (For all purposes)

         Contact details for notices or communications to the Counterparty:

                  Wells Fargo Bank, National Association
                  9062 Old Annapolis
                  Columbia, Maryland 21045
                  Attention: Client Manager, SAMI 2007 AR4
                  Facsimile: 410-715-2380
                  Phone: 410-884-2000

                  (For all purposes)

(b)      Process Agent.  For the purpose of Section 13(c):

                           Bear Stearns appoints as its
                           Process Agent:            Not Applicable

                           The Counterparty appoints as its
                           Process Agent:            Not Applicable

(c)      Offices.  The  provisions  of Section  10(a) will not apply to the Form Master  Agreement;  neither
         Bear Stearns nor the  Counterparty  have any Offices other than as set forth in the Notices Section
         and Bear Stearns agrees that, for purposes of Section 6(b) of the Form Master  Agreement,  it shall
         not in future have any Office other than one in the United States.

(d)      Multibranch Party.  For the purpose of Section 10(c) of the Form Master Agreement:

         Bear Stearns is not a Multibranch Party.

         The Counterparty is not a Multibranch Party.

(e)      Calculation Agent.  The Calculation Agent is Bear Stearns.

(f)      Credit Support Document.

         Bear Stearns:  Guaranty (the "Guaranty") of The Bear Stearns Companies Inc.

                  The Counterparty:  Not Applicable

(g)      Credit Support Provider.

         Bear Stearns:     The Bear Stearns Companies Inc.

         The Counterparty: Not Applicable

(h)      Governing Law.    The parties to the Form Master  Agreement  hereby agree that the law of the State
of New York shall  govern  their  rights and duties in whole  without  regard to conflict of law  provisions
thereof other than New York General Obligations Law Sections 5-1401 and 5-1402

(i)      Severability.     If any term, provision,  covenant, or condition of the Form Master Agreement,  or
the  application  thereof to any party or  circumstance,  shall be held to be invalid or  unenforceable  (in
whole or in part) for any reason, the remaining terms,  provisions,  covenants,  and conditions hereof shall
continue  in full force and effect as if the Form Master  Agreement  had been  executed  with the invalid or
unenforceable  portion  eliminated,  so long as the  Form  Master  Agreement  as so  modified  continues  to
express,  without  material change,  the original  intentions of the parties as to the subject matter of the
Form Master Agreement and the deletion of such portion of the Form Master  Agreement will not  substantially
impair the respective benefits or expectations of the parties.

The parties  shall  endeavor to engage in good faith  negotiations  to replace any invalid or  unenforceable
term, provision,  covenant or condition with a valid or enforceable term, provision,  covenant or condition,
the  economic  effect of which  comes as close as possible  to that of the  invalid or  unenforceable  term,
provision, covenant or condition.

(j)      Consent to Recording.          Each party hereto  consents to the  monitoring or recording,  at any
time and from time to time, by the other party of any and all  communications  between officers or employees
of the  parties,  waives  any  further  notice of such  monitoring  or  recording,  and agrees to notify its
officers and employees of such monitoring or recording.

(k)      Waiver of Jury Trial.        Each party  waives any right it may have to a trial by jury in respect
of any Proceedings relating to the Form Master Agreement or any Credit Support Document.

7)       Affiliate.        Notwithstanding  the  definition  of  Affiliate  in Section 14 of the Form Master
Agreement, for purposes hereof each party will be deemed not to have any Affiliates.

8)       Relationship Between Parties.      Section 3 of the Form  Master  Agreement  is hereby  amended  by
adding at the end thereof the following subsection (g):

         "(g)     Relationship Between Parties.

                                    Each party  represents  to the other party on each date when it enters
         into a Transaction that:

                  (1) Nonreliance.  It is not relying on any statement or  representation of the other party
regarding the Transaction  (whether written or oral), other than the  representations  expressly made in the
Form Master Agreement or the Confirmation in respect of that Transaction.

                  (2) Evaluation and Understanding.

                           (i)  It  has  the  capacity  to  evaluate   (internally  or  through  independent
professional advice) the Transaction and has made its own decision to enter into the Transaction; and

                           (ii) It understands  the terms,  conditions and risks of the  Transaction  and is
willing  and able to  accept  those  terms  and  conditions  and to  assume  those  risks,  financially  and
otherwise.

                  (3)  Purpose.  It is entering  into the  Transaction  for the  purposes  of  managing  its
borrowings or  investments,  hedging its underlying  assets or  liabilities or in connection  with a line of
business.

                  (4)  Principal.  The other party is not acting as a  fiduciary  for or an adviser to it in
respect of the Transaction."

         9) Proceedings.    Bear Stearns shall not institute against or cause any other person to
institute against, or join any other person in instituting against Counterparty any bankruptcy,
reorganization, arrangement, insolvency or liquidation proceedings, or other proceedings under any federal
or state bankruptcy or similar law for a period of one year and one day (or, if longer, the applicable
preference period)  following payment in full of the Grantor Trust Certificates and the Underlying
Reference Certificates.

10) Set-off.  Notwithstanding  any  provision of the Form Master  Agreement or any other  existing or future
agreement,  each  party  irrevocably  waives  any and all  rights  it may have to set off,  net,  recoup  or
otherwise  withhold or suspend or condition  payment or  performance  of any  obligation  between it and the
other  party   hereunder   against  any  obligation   between  it  and  the  other  party  under  any  other
agreements. The  provisions  for Set-off set forth in Section  6(e) of the Form Master  Agreement  shall not
apply for purposes of this Transaction.

11) Transfer,  Amendment and Assignment. No transfer,  amendment,  waiver,  supplement,  assignment or other
modification  of this  Transaction  shall be permitted  by either  party unless each Rating  Agency has been
provided  prior notice of the same and confirms in writing  (including  by facsimile  transmission)  that it
will not  downgrade,  qualify,  withdraw or otherwise  modify its  then-current  rating of the Grantor Trust
Certificates  as  a  result  of  such  transfer,   amendment,   waiver,  supplement,   assignment  or  other
modification;   provided  that  upon  notice  to  the  Rating  Agencies,   Bear  Stearns  may  transfer  the
Transaction(s)  pursuant to the Form Master  Agreement and all of its interests in such  Transaction(s)  and
all of its  Obligations  in or under  the Form  Master  Agreement  to its  Credit  Support  Provider  or any
affiliates  thereof,  and if such  transfer is to an entity  other than its Credit  Support  Provider,  Bear
Stearns will furnish to  Counterparty  a Guaranty of such Credit Support  Provider  which  guarantees all of
such  transferee's  Obligations in the form of the Guaranty of the Credit  Support  Provider of Bear Stearns
delivered in connection with the Form Master  Agreement  (other than the name of the guaranteed  party,  the
effective  date and the date of such  guaranty).   Upon such  transfer,  Bear Stearns will be fully released
from any and all Obligations and liabilities related to the interests assigned.

 12)  Limited  Recourse  Non-petition.  The  liability  of the  Counterparty  in relation to the Form Master
Agreement and any  Confirmation  hereunder is limited in recourse to assets in the Trust Fund (as defined in
the Grantor Trust  Agreement) and payments of interest  proceeds and principal  proceeds  thereon applied in
accordance  with the terms of the Grantor  Trust  Agreement.  Upon  application  of all of the assets in the
Trust Fund (and proceeds  thereon) in accordance  with the Grantor Trust  Agreement,  Bear Stearns shall not
be entitled to take any further  steps  against the  Counterparty  to recover any sums due but still  unpaid
hereunder or thereunder, all claims in respect of which shall be extinguished.

13)  Non-Reliance.  Each party represents to the other party that (a) it has not received and is not relying
upon any legal,  tax,  regulatory,  accounting or other advice (whether  written or oral) of the other party
regarding  this  Transaction,  other  than  representations  expressly  made by  that  other  party  in this
Confirmation  and in the Form  Master  Agreement  and (b) in  respect  of this  Transaction,  (i) it has the
capacity to evaluate  (internally or through independent  professional advice) this Transaction and has made
its own decision to enter into this  Transaction and (ii) it understands the terms,  conditions and risks of
this  Transaction  and  is  willing  to  assume  (financially  and  otherwise)  those  risks.   Counterparty
acknowledges  that Bear  Stearns  has advised  Counterparty  to consult  its own tax,  accounting  and legal
advisors in connection with this  Transaction  evidenced by this  Confirmation and that the Counterparty has
done so.

14)  Eligible  Contract  Participant.  Each party  represents  that it  constitutes  an  "eligible  contract
participant" as such term is defined in Section 1(a)12 of the Commodity Exchange Act, as amended.

15)  Limitation  of Liability.  It is expressly  understood  and agreed by the parties  hereto that (a) this
letter  agreement is executed and delivered by the Grantor  Trustee,  not  individually  or  personally  but
solely as the Grantor  Trustee for the Trust,  in the  exercise of the powers and  authority  conferred  and
vested in it, (b) the  representation,  undertakings  and  agreements  herein  made on part of the Trust are
made and intended not as personal  representations,  undertakings  and agreements by the Grantor Trustee but
are made and intended  for the purpose of binding  only the Trust,  (c) nothing  herein  contained  shall be
construed as creating any  liability on the Grantor  Trustee,  individually  or  personally,  to perform any
convenient  either  expressed or implied  contained  herein,  all such  liability,  if any, being  expressly
waived by the parties who are  signatories to this letter  agreement and by any person  claiming by, through
or under such parties and (d) under no  circumstances  shall the Grantor  Trustee be  personally  liable for
the  payment  of any  indebtedness  or  expenses  of the Trust or be liable for the breach or failure of any
obligation,  representation,  warranty  or  covenant  made or  undertaken  by the Trust  under  this  letter
agreement,  other than due to its  negligence or willful  misconduct in performing  the  obligations  of the
Grantor Trustee under the Grantor Trust Agreement.

16)  Amendments  to Grantor Trust  Agreement and  Underlying  Pooling and Servicing  Agreement.  Without the
prior written  consent of Bear  Stearns,  Counterparty  shall not  (i) amend the Grantor Trust  Agreement or
enter into any  amendment or  supplemental  agreement to the Grantor  Trust  Agreement if such  amendment or
supplemental  agreement could  reasonably be expected to have a material  adverse effect on the interests of
Bear  Stearns  hereunder  or  under  the  Grantor  Trust  Agreement  or (ii)  consent  to any  amendment  or
supplemental  agreement to the Underlying Pooling and Servicing  Agreement if such amendment or supplemental
agreement  could  reasonably be expected to have a material  adverse effect on the interests of Bear Stearns
hereunder or on the interests of a holder of the  Underlying  Reference  Certificates  under the  Underlying
Pooling and  Servicing  Agreement.  Counterparty  will furnish to Bear  Stearns a copy of each  proposed and
each  executed  amendment or  supplemental  agreement and copies of any related  Rating Agency  confirmation
therewith, if any.

17)      (a)      If Bear Stearns (or its  guarantor)  fails to have the First Trigger  Required  Ratings,
         Bear Stearns  shall  (within 30 days from such  failure),  at its own  expense,  (i) transfer its
         rights and  obligations  under the Form  Master  Agreement  to a  replacement  party that has (or
         whose  guarantor has) the First Trigger  Required  Ratings,  (ii) post collateral to Counterparty
         to secure  Bear  Stearns'  obligations  under the Form Master  Agreement  in such amount that the
         Rating  Agencies  confirm in writing  will be  sufficient  to maintain  the rating on the Grantor
         Trust  Certificates,  (iii) obtain a guarantor having the First Trigger Required Ratings for Bear
         Stearns'  obligations  under the Form Master  Agreement  with a form of guaranty  satisfying  the
         Rating  Agency  Condition;  provided  that if such form of guaranty is  identical to the Guaranty
         (other  than the  name of the  guarantor,  the  effective  date  and the date of such  guaranty),
         satisfaction  of the  Rating  Agency  Condition  shall not be  required  and Bear  Stearns  shall
         provide  a  copy  of  such  guaranty  to  each  Rating  Agency  then  rating  the  Grantor  Trust
         Certificates or (iv) take such other steps that satisfies the Rating Agency Condition.

         (b)      If Bear Stearns (or its guarantor)  fails to have the Second Trigger  Required  Ratings,
         Bear Stearns shall,  within 10 days from such failure,  at its own expense,  seek to (i) transfer
         its rights and obligations  under the Form Master  Agreement to a replacement  party that has (or
         whose  guarantor  has) the First Trigger  Required  Ratings,  (ii) obtain a guarantor  having the
         First Trigger  Required  Ratings for Bear Stearns'  obligations  under the Form Master  Agreement
         with a form of guaranty  satisfying  the Rating Agency  Condition;  provided that if such form of
         guaranty is identical to the Guaranty  (other than the name of the guarantor,  the effective date
         and the  date of such  guaranty),  satisfaction  of the  Rating  Agency  Condition  shall  not be
         required  and Bear  Stearns  shall  provide a copy of such  guaranty to each  Rating  Agency then
         rating the Grantor Trust  Certificates  or (iii) take such other steps that  satisfies the Rating
         Agency Condition.

         As used herein:

                  "First Trigger  Required  Ratings" shall mean, with respect to any entity (a) either (i)
                  the  unsecured,  short-term  debt  obligations  of such  entity (or its  Credit  Support
                  Provider)  are  rated  at  least  'A-1'  by S&P or (ii) if such  entity  does not have a
                  short-term  rating from S&P, the unsecured,  long-term  senior debt  obligations of such
                  entity (or its Credit  Support  Provider) are rated at least 'A+' by S&P, and (b) either
                  (i) the  unsecured,  long-term  senior  debt  obligations  of such entity (or its Credit
                  Support  Provider)  are rated at least  'A1' by Moody's  (and if rated 'A1' by  Moody's,
                  such rating is not on watch for possible  downgrade) and the unsecured,  short-term debt
                  obligations  of such entity (or its Credit  Support  Provider)  are rated at least 'P-1'
                  by Moody's  (and if rated  'P-1' by Moody's,  such  rating is not on watch for  possible
                  downgrade  and  remaining on watch for possible  downgrade),  or (ii) if such entity (or
                  its Credit Support  Provider) does not have a short-term  debt rating from Moody's,  the
                  unsecured,  long-term  senior debt  obligations  of such  entity (or its Credit  Support
                  Provider)  are rated at least  'Aa3' by Moody's  (and if rated  'Aa3' by  Moody's,  such
                  rating is not on watch for possible downgrade).

                  "Second  Trigger  Required  Ratings"  shall  mean,  with  respect  to any entity (a) the
                  unsecured,  long-term  senior debt  obligations  of such  entity (or its Credit  Support
                  Provider)  are  rated  at  least  'BBB-'  by S&P,  and  (b)  either  (i) the  unsecured,
                  long-term  senior debt  obligations of such entity (or its Credit Support  Provider) are
                  rated  at  least  'A3'  by  Moody's  (and  such  rating  is not on  watch  for  possible
                  downgrade)  and the  unsecured,  short-term  debt  obligations  of such  entity  (or its
                  Credit  Support  Provider)  are rated at least 'P-2' by Moody's  (and such rating is not
                  on  watch  for  possible  downgrade)  or (ii)  if such  entity  (or its  Credit  Support
                  Provider)  does not have a short-term  rating from  Moody's,  the  unsecured,  long-term
                  senior debt  obligations  of such entity (or its Credit  Support  Provider) are rated at
                  least 'A2' by Moody's.

                  "Rating  Agency  Condition"  means,  with  respect  to any  particular  proposed  act or
                  omission to act  hereunder  that the party  acting or failing to act must  consult  with
                  any of Rating  Agency  then  providing a rating of the Grantor  Trust  Certificates  and
                  receive from each Rating Agency a prior written  confirmation  that the proposed  action
                  or inaction  would not cause a downgrade or  withdrawal  of the  then-current  rating of
                  the Grantor Trust Certificates.

5.  Account Details and
Settlement information:             Payments to Bear Stearns:
                                    Citibank, N.A., New York
                                    ABA Number: 021-0000-89, for the account of
                                    Bear, Stearns Securities Corp.
                                    Account Number: 0925-3186, for further credit to
                                    Bear Stearns Capital Markets
                                    Sub-account Number: 101-90012-11
                                    Attention: Derivatives Operations

                                    Payments to Counterparty:

                                    Wells Fargo Bank, National Association
                                    San Francisco, CA
                                    ABA: 121-000-248
                                    A/C:3970771416
                                    Account Name: SAS Clearing
                                    For Further Credit to: 53176102, SAMI 07-AR4 Swap Account

This  Confirmation  may be executed in several  counterparts,  each of which shall be deemed an original but
all of which together shall constitute one and the same instrument.

Counterparty  hereby  agrees to check this  Confirmation  and to confirm that the foregoing  correctly  sets
forth the terms of the  Transaction  by signing in the space  provided below and returning to Bear Stearns a
facsimile  of  the   fully-executed   Confirmation   to   212-272-9857.   For   inquiries   please   contact
CreditDerivativesDocumentation@bear.com.  To discuss an inquiry regarding U.S. Transactions,  please contact
Nick  Girardi  by  telephone  at  212-272-8420.   For  all  other  inquiries   please  contact   Derivatives
Documentation  by telephone at  353-1-402-6233.  Originals  will be provided  for your  execution  upon your
request.

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We are very pleased to have  executed  this  Transaction  with you and we look forward to  completing  other
transactions with you in the near future.

Very truly yours,

                                    BEAR STEARNS CAPITAL MARKETS INC.

By:    /s/ Serge Reyser
       Name: Serge Reyser
       Title:  Authorized Signatory

Counterparty,  acting  through its duly  authorized  signatory,  hereby agrees to,  accepts and confirms the
terms of the foregoing as of the Trade Date.

WELLS FARGO BANK,  NATIONAL  ASSOCIATION NOT  INDIVIDUALLY,  BUT SOLELY AS GRANTOR TRUSTEE
FOR STRUCTURED ASSET MORTGAGE INVESTMENTS II GRANTOR TRUST 2007-AR4

By:    /s/ Stacey M. Taylor
       Name: Stacey M. Taylor
       Title: Vice President

With respect to Section 3(b) herein:
WELLS FARGO BANK, NATIONAL ASSOCIATION, as Paying Agent

By:    /s/ Stacey M. Taylor
       Name: Stacey M. Taylor
       Title:  Vice President

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                                                     EXHIBIT D
                                    Underlying Pooling and Servicing Agreement

                                              [Provided Upon Request]

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