Document:

exv10w1

 

Exhibit 10.1

EXECUTION

SEQUOIA RESIDENTIAL FUNDING, INC.

Depositor

WELLS FARGO BANK, N.A.

Master Servicer and Securities Administrator

and

HSBC BANK USA, NATIONAL ASSOCIATION

Trustee

 

POOLING AND SERVICING AGREEMENT

Dated as of May 1, 2007

 

SEQUOIA MORTGAGE TRUST 2007-2

 

 

TABLE OF CONTENTS

	 	 	 	 	 	 	 
	 	 	 	 	Page
	ARTICLE I DEFINITIONS	 	 	7	 
	 
	 	 	 	 	 	 
	Section 1.01.
	 	Definitions	 	 	7	 
	Section 1.02.
	 	Calculations Respecting Mortgage Loans	 	 	43	 
	 
	 	 	 	 	 	 
	ARTICLE II DECLARATION OF TRUST; ISSUANCE OF CERTIFICATES	 	 	44	 
	 
	 	 	 	 	 	 
	Section 2.01.
	 	Creation and Declaration of Trust Fund; Conveyance of Mortgage Loans	 	 	44	 
	Section 2.02.
	 	Acceptance of Trust Fund by Trustee; Review of Documentation for Trust Fund	 	 	47	 
	Section 2.03.
	 	Representations and Warranties of the Depositor	 	 	48	 
	Section 2.04.
	 	Discovery of Breach; Repurchase or Substitution of Mortgage Loans	 	 	50	 
	Section 2.05.
	 	[Reserved]	 	 	53	 
	Section 2.06.
	 	Grant Clause	 	 	53	 
	 
	 	 	 	 	 	 
	ARTICLE III THE CERTIFICATES	 	 	54	 
	 
	 	 	 	 	 	 
	Section 3.01.
	 	The Certificates	 	 	54	 
	Section 3.02.
	 	Registration	 	 	55	 
	Section 3.03.
	 	Transfer and Exchange of Certificates	 	 	55	 
	Section 3.04.
	 	Cancellation of Certificates	 	 	59	 
	Section 3.05.
	 	Replacement of Certificates	 	 	59	 
	Section 3.06.
	 	Persons Deemed Owners	 	 	59	 
	Section 3.07.
	 	Temporary Certificates	 	 	60	 
	Section 3.08.
	 	Appointment of Paying Agent	 	 	60	 
	Section 3.09.
	 	Book-Entry Certificates	 	 	60	 
	 
	 	 	 	 	 	 
	ARTICLE IV ADMINISTRATION OF THE TRUST FUND	 	 	62	 
	 
	 	 	 	 	 	 
	Section 4.01.
	 	Collection Accounts; Distribution Account	 	 	62	 
	Section 4.02
	 	[Reserved]	 	 	63	 
	Section 4.03
	 	[Reserved]	 	 	63	 
	Section 4.04.
	 	Reports to Trustee and Certificateholders	 	 	63	 
	 
	 	 	 	 	 	 
	ARTICLE V DISTRIBUTIONS TO HOLDERS OF CERTIFICATES	 	 	66	 
	 
	 	 	 	 	 	 
	Section 5.01.
	 	Distributions Generally	 	 	66	 
	Section 5.02.
	 	Distributions from the Distribution Account	 	 	67	 
	Section 5.03.
	 	Allocation of Losses	 	 	73	 
	Section 5.04.
	 	Advances by Master Servicer	 	 	74	 
	Section 5.05.
	 	Compensating Interest Payments	 	 	74	 

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	 	 	 	 	Page
	Section 5.06.
	 	Reserve Fund	 	 	75	 
	 
	 	 	 	 	 	 
	ARTICLE VI CONCERNING THE TRUSTEE AND THE SECURITIES ADMINISTRATOR; EVENTS OF DEFAULT	 	 	76	 
	 
	 	 	 	 	 	 
	Section 6.01.
	 	Duties of Trustee and the Securities Administrator	 	 	76	 
	Section 6.02.
	 	Certain Matters Affecting the Trustee and the Securities Administrator	 	 	79	 
	Section 6.03.
	 	Trustee and Securities Administrator Not Liable for Certificates	 	 	81	 
	Section 6.04.
	 	Trustee and the Securities Administrator May Own Certificates	 	 	81	 
	Section 6.05.
	 	Eligibility Requirements for Trustee and Securities Administrator	 	 	81	 
	Section 6.06.
	 	Resignation and Removal of Trustee and the Securities Administrator	 	 	82	 
	Section 6.07.
	 	Successor Trustee and Successor Securities Administrator	 	 	83	 
	Section 6.08.
	 	Merger or Consolidation of Trustee or the Securities Administrator	 	 	84	 
	Section 6.09.
	 	Appointment of Co-Trustee, Separate Trustee or Custodian	 	 	84	 
	Section 6.10.
	 	Authenticating Agents	 	 	86	 
	Section 6.11.
	 	Indemnification of the Trustee and the Securities Administrator	 	 	86	 
	Section 6.12.
	 	Fees and Expenses of Securities Administrator and the Trustee	 	 	87	 
	Section 6.13.
	 	Collection of Monies	 	 	87	 
	Section 6.14.
	 	Events of Default; Trustee To Act; Appointment of Successor	 	 	88	 
	Section 6.15.
	 	Additional Remedies of Trustee Upon Event of Default	 	 	92	 
	Section 6.16.
	 	Waiver of Defaults	 	 	92	 
	Section 6.17.
	 	Notification to Holders	 	 	92	 
	Section 6.18.
	 	Directions by Certificateholders and Duties of Trustee During Event of Default	 	 	92	 
	Section 6.19.
	 	[Reserved]	 	 	93	 
	Section 6.20.
	 	Preparation of Tax Returns and Other Reports	 	 	93	 
	Section 6.21.
	 	Reporting to the Commission	 	 	94	 
	Section 6.22.
	 	Annual Statements of Compliance	 	 	100	 
	Section 6.23.
	 	Annual Assessments of Compliance	 	 	101	 
	Section 6.24.
	 	Accountant’s Attestation	 	 	102	 
	 
	 	 	 	 	 	 
	ARTICLE VII PURCHASE OF MORTGAGE LOANS AND TERMINATION OF THE TRUST FUND	 	 	103	 
	 
	 	 	 	 	 	 
	Section 7.01.
	 	Purchase of Mortgage Loans; Termination of Trust Fund Upon Purchase or Liquidation of All Mortgage Loans	 	 	103	 
	Section 7.02.
	 	Procedure Upon Redemption and Termination of Trust Fund	 	 	105	 
	Section 7.03.
	 	Additional REMIC Related Termination Requirements	 	 	106	 
	 
	 	 	 	 	 	 
	ARTICLE VIII RIGHTS OF CERTIFICATEHOLDERS	 	 	107	 
	 
	 	 	 	 	 	 
	Section 8.01.
	 	Limitation on Rights of Holders	 	 	107	 

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	 	 	 	 	Page
	Section 8.02.
	 	Access to List of Holders	 	 	107	 
	Section 8.03.
	 	Acts of Holders of Certificates	 	 	108	 
	 
	 	 	 	 	 	 
	ARTICLE IX ADMINISTRATION AND SERVICING OF MORTGAGE LOANS BY THE MASTER SERVICER	 	 	109	 
	 
	 	 	 	 	 	 
	Section 9.01.
	 	Duties of the Master Servicer; Enforcement of Servicer’s and Master Servicer’s Obligations	 	 	109	 
	Section 9.02
	 	Assumption of Master Servicing by Trustee	 	 	112	 
	Section 9.03.
	 	Representations and Warranties of the Master Servicer	 	 	112	 
	Section 9.04.
	 	Compensation to the Master Servicer	 	 	114	 
	Section 9.05.
	 	Merger or Consolidation	 	 	114	 
	Section 9.06.
	 	Resignation of Master Servicer	 	 	115	 
	Section 9.07.
	 	Assignment or Delegation of Duties by the Master Servicer	 	 	115	 
	Section 9.08.
	 	Limitation on Liability of the Master Servicer and Others	 	 	116	 
	Section 9.09.
	 	Indemnification; Third-Party Claims	 	 	116	 
	Section 9.10.
	 	Master Servicer Fidelity Bond and Master Servicer Errors and Omissions Insurance Policy	 	 	117	 
	 
	 	 	 	 	 	 
	ARTICLE X REMIC ADMINISTRATION	 	 	117	 
	 
	 	 	 	 	 	 
	Section 10.01.
	 	REMIC Administration	 	 	117	 
	Section 10.02.
	 	Prohibited Transactions and Activities	 	 	119	 
	Section 10.03.
	 	Indemnification with Respect to Prohibited Transactions or Loss of REMIC Status	 	 	120	 
	Section 10.04.
	 	REO Property	 	 	120	 
	 
	 	 	 	 	 	 
	ARTICLE XI MISCELLANEOUS PROVISIONS	 	 	121	 
	 
	 	 	 	 	 	 
	Section 11.01.
	 	Binding Nature of Agreement; Assignment	 	 	121	 
	Section 11.02.
	 	Entire Agreement	 	 	121	 
	Section 11.03.
	 	Amendment	 	 	121	 
	Section 11.04.
	 	Voting Rights	 	 	123	 
	Section 11.05.
	 	Provision of Information	 	 	123	 
	Section 11.06.
	 	Governing Law	 	 	123	 
	Section 11.07.
	 	Notices	 	 	124	 
	Section 11.08.
	 	Severability of Provisions	 	 	124	 
	Section 11.09.
	 	Indulgences; No Waivers	 	 	124	 
	Section 11.10.
	 	Headings Not To Affect Interpretation	 	 	124	 
	Section 11.11.
	 	Benefits of Agreement	 	 	125	 
	Section 11.12.
	 	Special Notices to the Rating Agencies	 	 	125	 
	Section 11.13.
	 	Conflicts	 	 	126	 
	Section 11.14.
	 	Counterparts	 	 	126	 
	Section 11.15
	 	No Petitions	 	 	126	 
	Section 11.16
	 	Intention of the Parties and Interpretation; Indemnification	 	 	126	 

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     ATTACHMENTS

	 	 	 
	Exhibit A

	 	Forms of Certificates
	Exhibit B

	 	Form of Residual Certificate Transfer Affidavit (Transferee)
	Exhibit C

	 	Form of Residual Certificate Transfer Affidavit (Transferor)
	Exhibit D

	 	Form of Custody Agreement
	Exhibit E

	 	List of Servicing Agreements
	Exhibit F

	 	List of Purchase Agreements
	Exhibit G

	 	List of Limited Purpose Surety Bonds
	Exhibit H

	 	Form of Rule 144A Transfer Certificate
	Exhibit I

	 	Form of Purchaser’s Letter for Institutional Accredited Investors
	Exhibit J

	 	Form of ERISA Transfer Affidavit
	Exhibit K

	 	Form of Letter of Representations with the Depository Trust Company
	Exhibit L

	 	Additional Disclosure Notification
	Exhibit M

	 	Form of Annual Certification
	Exhibit N

	 	Servicing Criteria to Be Addressed in Assessment of Compliance
	Exhibit O

	 	Additional Form 10-D Disclosure
	Exhibit P

	 	Additional Form 10-K Disclosure
	Exhibit Q

	 	Additional Form 8-K Disclosure
	 
	 	 
	Schedule A

	 	Mortgage Loan Schedule

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     This POOLING AND SERVICING AGREEMENT, dated as of May 1, 2007 (the “Agreement”), by and among
SEQUOIA RESIDENTIAL FUNDING, INC., a Delaware corporation, as depositor (the “Depositor”), HSBC
BANK USA, NATIONAL ASSOCIATION, a national banking association, as trustee (the “Trustee”), and
WELLS FARGO BANK, N.A., in its dual capacities as master servicer (the “Master Servicer”) and
securities administrator (the “Securities Administrator”) and acknowledged by RWT HOLDINGS, INC., a
Delaware corporation, as seller (the “Seller”), for purposes of Section 2.04.

PRELIMINARY STATEMENT

     The Depositor has acquired the Mortgage Loans from the Seller and at the Closing Date is the
owner of the Mortgage Loans and related property being conveyed by the Depositor to the Trustee
hereunder for inclusion in the Trust Fund. On the Closing Date, the Depositor will acquire the
Certificates from the Trustee as consideration for the Depositor’s transfer to the Trust Fund of
the Mortgage Loans, and the other property constituting the Trust Fund. The Depositor has duly
authorized the execution and delivery of this Agreement to provide for the conveyance to the
Trustee of the Mortgage Loans and the related property constituting the Trust Fund. All covenants
and agreements made by the Seller in the Mortgage Loan Purchase and Sale Agreement and in this
Agreement and by the Depositor, the Master Servicer, the Securities Administrator and the Trustee
herein, with respect to the Mortgage Loans and the other property constituting the Trust Fund, are
for the benefit of the Holders from time to time of the Certificates. The Depositor, the Trustee,
the Master Servicer and the Securities Administrator are entering into this Agreement, and the
Trustee is accepting the Trust Fund created hereby, for good and valuable consideration, the
receipt and sufficiency of which are hereby acknowledged.

     As provided herein, the Securities Administrator shall elect that the Trust Fund (exclusive of
the Additional Collateral and the assets deposited in the Reserve Fund (the “Excluded Trust
Property”)) be treated for federal income tax purposes as comprising four real estate mortgage
investment conduits (each, a “REMIC” or, in the alternative, the “Group 1 Lower-Tier REMIC,” the
“Group 1 Upper-Tier REMIC,” the “Group 2 Lower-Tier REMIC” and the “Group 2 Upper-Tier REMIC”).
Each Group 1 Certificate, other than the Class 1-AR Certificate and the Class 1-LTR Certificate, is
hereby designated as a regular interest in the Group 1 Upper-Tier REMIC, as described herein. In
addition, each of the LIBOR Certificates represents the right to receive payments in respect of Net
WAC Shortfalls from the related Sub Account of the Reserve Fund as provided in Section 5.02 and
Section 5.06. The owners of the Interest-Only Certificates beneficially own the Sub Accounts that
compose the Reserve Fund. The Class 1-AR Certificate is hereby designated as the sole class of
residual interest in the Group 1 Upper-Tier REMIC.

     The Class 1-LTR Certificate evidences ownership of the sole class of residual interest in the
Group 1 Lower-Tier REMIC (the “1-LTR Interest”). The Group 1 Lower-Tier REMIC shall hold as its
assets the Pool 1 Mortgage Loans and all property of the Trust Fund related thereto, other than the
Excluded Trust Property and other than the interests in any REMIC formed hereby. Each Group 1
Lower-Tier Interest other than the 1-LTR Interest is hereby designated as a regular interest in the
Group 1 Lower-Tier REMIC and the 1-LTR Interest is hereby designated as the sole Class of residual
interest in the Group 1 Lower-Tier REMIC. The Group 1 Upper-Tier REMIC shall hold as its assets
the Group 1 Lower-Tier Interests other than the 1-LTR Interest.

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     Each Group 2 Certificate, other than the Class 2-AR Certificate and the Class 2-LTR Certificate, is
hereby designated as a regular interest in the Group 2 Upper-Tier REMIC, as described herein. The
Class 2-AR Certificate is hereby designated as the sole class of residual interest in the Group 2
Upper-Tier REMIC.

     The Class 2-LTR Certificate evidences ownership of the sole class of residual interest in the
Group 2 Lower-Tier REMIC (the “2-LTR Interest”). The Group 2 Lower-Tier REMIC shall hold as its
assets the Pool 2A and Pool 2B Mortgage Loans and all property of the Trust Fund related thereto,
other than the Excluded Trust Property and other than the interests in any REMIC formed hereby.
Each Group 2 Lower-Tier Interest other than the 2-LTR Interest is hereby designated as a regular
interest in the Group 2 Lower-Tier REMIC and the 2-LTR Interest is hereby designated as the sole
Class of residual interest in the Group 2 Lower-Tier REMIC. The Group 2 Upper-Tier REMIC shall
hold as its assets the Group 2 Lower-Tier Interests other than the 2-LTR Interest.

     The Lower-Tier REMIC Interests

     Group 1 Lower-Tier REMIC

     The following table sets forth (or describes) the Class designation, interest rate, and
initial Class Principal Amount for each Class of Group 1 Lower-Tier Interests:

	 	 	 	 	 	 	 
	Group 1 Lower-Tier	 	 	 	 	 	 
	   REMIC Interest	 	 	 	Initial Class	 	Corresponding Class
	     Designation	 	Interest Rate	 	Principal Amount	 	of Certificate(s)
	LT-1A1
	 	(1)	 	(3)	 	1-A1, 1-AR, 1-XA
	LT-1A2
	 	(1)	 	(3)	 	1-A2, 1-XA
	LT-1A3
	 	(1)	 	(3)	 	1-A3, 1-XA
	LT-1B1
	 	(1)	 	(3)	 	1-B1, 1-XB
	LT-1B2
	 	(1)	 	(3)	 	1-B2, 1-XB
	LT-1B3
	 	(1)	 	(3)	 	1-B3
	LT-1B4
	 	(1)	 	(3)	 	1-B4
	LT-1B5
	 	(1)	 	(3)	 	1-B5
	LT-1B6
	 	(1)	 	(3)	 	1-B6
	1-LTR
	 	(2)	 	(2)	 	1-LTR

 

			
	(1)	 	The interest rate with respect to any Distribution Date (and the related Accrual
Period) for each of these Group 1 Lower-Tier Interests will be a per annum rate equal to
the Pool 1 Net WAC.
	 
	(2)	 	The 1-LTR Interest is the sole class of residual interest in the Lower-Tier REMIC. It
does not have a principal balance and does not bear interest.
	 
	(3)	 	This interest shall have an initial class principal amount equal to the aggregate
Initial Class Principal Amount of its Corresponding Class(es) of Certificates (other than
any interest-only certificates).

     On each Distribution Date, the Available Distribution Amount distributable as interest
with respect to Pool 1 shall be distributed as interest with respect to the Group 1 Lower-Tier
Interests based on the interest rates described above. On each Distribution Date, Interest

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Shortfalls with respect to Pool 1 shall be allocated among the related Group 1 Lower-Tier
Interests based on the relative amounts of interest otherwise accrued for the related Accrual
Period on each such Group 1 Lower-Tier Interest.

     On each Distribution Date, the remaining Available Distribution Amount distributable with
respect to Pool 1 shall be distributed as principal to the Group 1 Lower-Tier Interests as follows:

	 	(i)	 	first, to the LT-1A1, LT-1A2, and LT-1A3 Interests, pro rata,
until their Class Principal Amounts equal the sum of the Class Principal
Amounts of their Corresponding Class(es) of Certificates (other than any
interest-only certificates);
	 
	 	(ii)	 	second, to the LT-1B1 Interest until its Class Principal Amount
equals the Class Principal Amount of the Class 1-B1 Certificate;
	 
	 	(iii)	 	third, to the LT-1B2 Interest until its Class Principal Amount
equals the Class Principal Amount of the Class 1-B2 Certificate;
	 
	 	(iv)	 	fourth, to the LT-1B3 Interest until its Class Principal Amount
equals the Class Principal Amount of the Class 1-B3 Certificate;
	 
	 	(v)	 	fifth, to the LT-1B4 Interest until its Class Principal Amount
equals the Class Principal Amount of the Class 1-B4 Certificate;
	 
	 	(vi)	 	sixth, to the LT-1B5 Interest until its Class Principal Amount
equals the Class Principal Amount of the Class 1-B5 Certificate;
	 
	 	(vii)	 	seventh, to the LT-1B6 Interest until its Class Principal
Amount equals the Class Principal Amount of the Class 1-B6 Certificate; and
	 
	 	(viii)	 	finally, to the 1-LTR Interest, any remaining amounts (including any and all
remaining amounts representing net gain, if any, from the sale of any REO
Properties at a price in excess of the foreclosed balance of the related
Mortgage Loan or other Liquidation Proceeds realized with respect to Pool 1).

     Group 2 Lower-Tier REMIC

     The following table sets forth (or describes) the Class designation, interest rate, and
initial Class Principal Amount for each Class of Group 2 Lower-Tier Interests:

	 	 	 	 	 	 	 
	Group 2 Lower-Tier	 	 	 	 	 	Corresponding Pool or
	   REMIC Interest	 	 	 	Initial Class	 	Corresponding Class of
	    Designation	 	Interest Rate	 	Principal Amount	 	Certificates
	2-LT-Pool 2A
	 	(1)	 	(4)	 	2A
	2-LT-Pool 2A PSA
	 	(1)	 	(5)	 	2A
	2-LT-Pool 2B
	 	(2)	 	(4)	 	2B
	2-LT-Pool 2B PSA
	 	(2)	 	(5)	 	2B
	2-LTR
	 	(3)	 	(3)	 	Class 2-LTR

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	(1)	 	The interest rate with respect to any Distribution Date (and the related Accrual
Period) for each of these Group 2 Lower-Tier Interests will be a per annum rate equal to
the Pool 2A Net WAC.
	 
	(2)	 	The interest rate with respect to any Distribution Date (and the related Accrual
Period) for each of these Group 2 Lower-Tier Interests will be a per annum rate equal to
the Pool 2B Net WAC.
	 
	(3)	 	The 2-LTR Interest is the sole class of residual interest in the Group 2 Lower-Tier
REMIC. It does not have a principal balance and does not bear interest.
	 
	(4)	 	The Class Principal Amount with respect to any Distribution Date (and the related
Accrual Period) for each of these Group 2 Lower-Tier Interests will be an amount equal to
the excess of (i) the Aggregate Stated Principal Balance of the Corresponding Pool over
(ii) the Class Principal Amount of the Group 2 Lower Tier Interest having “PSA” in its
designation that corresponds to the same Mortgage Pool.
	 
	(5)	 	The Class Principal Amount with respect to any Distribution Date (and the related
Accrual Period) for each of these Group 2 Lower-Tier Interests will be an amount equal to
one percent of the Pool Subordinate Amount of the Corresponding Pool.

     On each Distribution Date, the Available Distribution Amount distributable as interest
with respect to Pool 2A and Pool 2B shall be distributed as interest with respect to the Group 2
Lower-Tier Interests based on the interest rates described above. On each Distribution Date,
Interest Shortfalls shall be allocated among the related Group 2 Lower-Tier Interests based on the
relative amounts of interest otherwise accrued for the related Accrual Period on each such Group 2
Lower-Tier Interest.

     On each Distribution Date, the remaining Available Distribution Amount shall be distributed as
principal on the Group 2 Lower-Tier Interests as follows:

	 	(1)	 	first, from the remaining Available Distribution Amount for Pool 2A, to the
2-LT-Pool 2A PSA Interest until its Class Principal Amount equals one percent of the
Pool 2A Subordinate Amount after such Distribution Date;
	 
	 	(2)	 	second, from the remaining Available Distribution Amount for Pool 2B, to the
2-LT-Pool 2B PSA Interest until its Class Principal Amount equals one percent of the
Pool 2B Subordinate Amount after such Distribution Date;
	 
	 	(3)	 	third, to the 2-LT-Pool 2A PSA or 2-LT-Pool 2B PSA Interest, from the remaining
Available Distribution Amount, the minimum amount necessary to cause the ratio of the
Class Principal Amount of each such Group 2 Lower-Tier REMIC Interest to the sum of the
Class Principal Amounts of the other Group 2 Lower-Tier REMIC Interest to equal the
ratio of the Pool Subordinate Amount related to such interest to the sum of the Pool
Subordinate Amount related to the other Group 2 Lower-Tier REMIC Interest immediately
after such Distribution Date;
	 
	 	(4)	 	fourth, from the remaining Available Distribution Amount for Pool 2A, to the
2-LT-Pool 2A Interest, until its Class Principal Amount is reduced to zero;

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	 	(5)	 	fifth, from the remaining Available Distribution Amount for Pool 2B, to the
2-LT-Pool 2B Interest, until its Class Principal Amount is reduced to zero; and
	 
	 	(6)	 	finally, to the Class 2-LT-R Interest, any remaining amounts (including any and
all remaining amounts representing net gain, if any, from the sale of any REO
Properties at a price in excess of the foreclosed balance of the related Mortgage Loan
or other Liquidation Proceeds realized with respect to Pool 2A or Pool 2B).

     The Certificates and the Upper-Tier REMICs

     The following table sets forth (or describes) the Class designation, Certificate Interest
Rate, initial Class Principal Amount (or initial Class Notional Amount) and minimum denomination
for each Class of Certificates comprising interests in the Trust Fund created hereunder.

	 	 	 	 	 	 	 	 	 	 	 
	 	 	 	 	Initial Class	 	Minimum
	 	 	Certificate	 	Class Principal or Class	 	Denominations or
	Class Designation	 	Interest Rate	 	Notional Amount	 	Percentage Interest
	Class 1-A1
	 	(1)	 	$	120,000,000.00	 	 	$	25,000.00	 
	Class 1-A2
	 	(2)	 	$	493,735,000.00	 	 	$	25,000.00	 
	Class 1-A3
	 	(3)	 	$	23,265,000.00	 	 	$	25,000.00	 
	Class 1-AR
	 	(4)	 	$	100.00	 	 	 	100	%
	Class 1-XA
	 	(5)	 	 	(6)	 	 	 	100	%
	Class 1-XB
	 	(7)	 	 	(8)	 	 	 	100	%
	Class 1-B1
	 	(9)	 	$	2,275,000.00	 	 	$	100,000.00	 
	Class 1-B2
	 	(10)	 	$	1,950,000.00	 	 	$	100,000.00	 
	Class 1-B3
	 	(11)	 	$	6,175,000.00	 	 	$	100,000.00	 
	Class 1-B4
	 	(11)	 	$	975,000.00	 	 	$	100,000.00	 
	Class 1-B5
	 	(11)	 	$	975,000.00	 	 	$	100,000.00	 
	Class 1-B6
	 	(11)	 	$	665,098.27	 	 	$	100,000.00	 
	Class 1-LTR
	 	(12)	 	 	(12)	 	 	 	100	%
	Class 2A-A1
	 	(13)	 	$	221,040,000.00	 	 	$	25,000.00	 
	Class 2B-A1
	 	(14)	 	$	170,921,000.00	 	 	$	25,000.00	 
	Class 2-AR
	 	(13)	 	$	100.00	 	 	 	100	%
	Class 2-B1
	 	(15)	 	$	7,145,000.00	 	 	$	100,000.00	 
	Class 2-B2
	 	(15)	 	$	3,062,000.00	 	 	$	100,000.00	 
	Class 2-B3
	 	(15)	 	$	2,041,000.00	 	 	$	100,000.00	 
	Class 2-B4
	 	(15)	 	$	1,633,000.00	 	 	$	100,000.00	 
	Class 2-B5
	 	(15)	 	$	1,429,000.00	 	 	$	100,000.00	 
	Class 2-B6
	 	(15)	 	$	1,031,070.93	 	 	$	100,000.00	 
	Class 2-LTR
	 	(16)	 	 	(16)	 	 	 	100	%

 

			
	(1)	 	The Certificate Interest Rate with respect to any Distribution Date (and the related
Accrual Period) for the Class 1-A1 Certificates is the per annum rate equal to the least of
(i) One-Month LIBOR plus 0.21%, (ii)

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	 	 	the Pool 1 Net WAC and (iii) 11.500%; provided, however, that if the Holder of the Class
1-LTR Certificate does not exercise the option to redeem the Group 1 Certificates on or
prior to the Group 1 Step-Up Date, then the per annum rate calculated pursuant to clause (i)
above with respect to the Class 1-A1 Certificates will be One-Month LIBOR plus 0.42% on the
Distribution Date immediately following the Group 1 Step-Up Date and for all Distribution
Dates thereafter.
	 
	(2)	 	The Certificate Interest Rate with respect to any Distribution Date (and the related
Accrual Period) for the Class 1-A2 Certificates is the per annum rate equal to the least of
(i) One-Month LIBOR plus 0.19%, (ii) the Pool 1 Net WAC and (iii) 11.500%; provided,
however, that if the Holder of the Class 1-LTR Certificate does not exercise the option to
redeem the Group 1 Certificates on or prior to the Group 1 Step-Up Date, then the per annum
rate calculated pursuant to clause (i) above with respect to the Class 1-A2 Certificates
will be One-Month LIBOR plus 0.38% on the Distribution Date immediately following the Group
1 Step-Up Date and for all Distribution Dates thereafter.
	 
	(3)	 	The Certificate Interest Rate with respect to any Distribution Date (and the related
Accrual Period) for the Class 1-A3 Certificates is the per annum rate equal to the least of
(i) One-Month LIBOR plus 0.32%, (ii) the Pool 1 Net WAC and (iii) 11.500%; provided,
however, that if the Holder of the Class 1-LTR Certificate does not exercise the option to
redeem the Group 1 Certificates on or prior to the Group 1 Step-Up Date, then the per annum
rate calculated pursuant to clause (i) above with respect to the Class 1-A3 Certificates
will be One-Month LIBOR plus 0.64% on the Distribution Date immediately following the Group
1 Step-Up Date and for all Distribution Dates thereafter.
	 
	(4)	 	The Certificate Interest Rate with respect to any Distribution Date (and the related
Accrual Period) for the Class 1-AR Certificates will equal the Pool 1 Net WAC.
	 
	(5)	 	The Certificate Interest Rate with respect to any Distribution Date (and the related
Accrual Period) for the Class 1-XA Certificates will be a per annum rate equal to the
excess, if any, of the Pool 1 Net WAC over the weighted average of the Certificate Interest
Rates of the Class 1-A1, Class 1-A2 and Class 1-A3 Certificates (multiplied by a fraction,
the numerator of which is 25 and the denominator of which is 30 for the first Distribution
Date only).
	 
	(6)	 	The Class 1-XA Certificate is an interest only Certificate and for any Distribution
Date the Class Notional Amount of the Class 1-XA Certificates is equal to the aggregate of
the Class Principal Amounts of the Class 1-A1, Class 1-A2 and Class 1-A3 Certificates
immediately before such Distribution Date. The initial Class Notional Amount of the Class
1-XA Certificates is $637,000,000.
	 
	(7)	 	The Certificate Interest Rate with respect to any Distribution Date (and the related
Accrual Period) for the Class 1-XB Certificates will be a per annum rate equal to the
excess, if any, of the Pool 1 Net WAC over the weighted average of the Certificate Interest
Rates of the Class 1-B1 and Class 1-B2 Certificates (multiplied by a fraction, the
numerator of which is 25 and the denominator of which is 30 for the first Distribution Date
only).
	 
	(8)	 	The Class 1-XB Certificate is an interest only Certificate and for any Distribution
Date the Class Notional Amount of the Class 1-XB Certificates is equal to the aggregate of
the Class Principal Amounts of the Class 1-B1 and Class 1-B2 Certificates immediately
before such Distribution Date. The initial Class Notional Amount of the Class 1-XB
Certificates is $4,225,000.
	 
	(9)	 	The Certificate Interest Rate with respect to any Distribution Date (and the related
Accrual Period) for the Class 1-B1 Certificates is the per annum rate equal to the least of
(i) One-Month LIBOR plus 0.40%, (ii) the Pool 1 Net WAC and (iii) 11.500%; provided,
however, that if the Holder of the Class 1-LTR Certificate does not exercise the option to
redeem the Group 1 Certificates on or prior to the Group 1 Step-Up Date, then the per annum
rate calculated pursuant to clause (i) above with respect to the Class 1-B1 Certificates
will be One-Month LIBOR plus 0.60% on the Distribution Date immediately following the Group
1 Step-Up Date and for all Distribution Dates thereafter.
	 
	(10)	 	The Certificate Interest Rate with respect to any Distribution Date (and the related
Accrual Period) for the Class 1-B2 Certificates is the per annum rate equal to the least of
(i) One-Month LIBOR plus 1.10%, (ii) the Pool 1 Net WAC and (iii) 11.500%; provided,
however, that if the Holder of the Class 1-LTR Certificate does not exercise the option to
redeem the Group 1 Certificates on or prior to the Group 1 Step-

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	 	 	Up Date, then the per annum rate calculated pursuant to clause (i) above with respect to the
Class 1-B2 Certificates will be One-Month LIBOR plus 1.65% on the Distribution Date
immediately following the Group 1 Step-Up Date and for all Distribution Dates thereafter.
	 
	(11)	 	The Certificate Interest Rates with respect to any Distribution Date (and the related
Accrual Period) for the Class 1-B3, Class 1-B4, Class 1-B5 and Class 1-B6 Certificates will
equal the Pool 1 Net WAC.
	 
	(12)	 	The Class 1-LTR Certificate does not have a Certificate Interest Rate or a Class
Principal Amount.
	 
	(13)	 	The Certificate Interest Rate with respect to any Distribution Date (and the related
Accrual Period) for the Class 2A-A1 and Class 2-AR Certificates will equal the Pool 2A Net
WAC.
	 
	(14)	 	The Certificate Interest Rate with respect to any Distribution Date (and the related
Accrual Period) for the Class 2B-A1 Certificates will equal the Pool 2B Net WAC.
	 
	(15)	 	The Certificate Interest Rates with respect to any Distribution Date (and the related
Accrual Period) for the Class 2-B1, Class 2-B2, Class 2-B3, Class 2-B4, Class 2-B5 and
Class 2-B6 Certificates will equal the Group 2 Subordinate Net WAC.
	 
	(16)	 	The Class 2-LTR Certificate does not have a Certificate Interest Rate or a Class
Principal Amount.

     As of the Cut-off Date, the Mortgage Loans had an Aggregate Stated Principal Balance of
$1,058,317,369.20.

     In consideration of the mutual agreements herein contained, the Depositor, the Master
Servicer, the Securities Administrator and the Trustee hereby agree as follows.

ARTICLE I

DEFINITIONS

     Section 1.01 Definitions. The following words and phrases, unless the context
otherwise requires, shall have the following meanings:

     1-LTR Interest: The sole residual interest in the Group 1 Lower-Tier REMIC, as
described in the Preliminary Statement to this Agreement.

     2-LTR Interest: The sole residual interest in the Group 2 Lower-Tier REMIC, as
described in the Preliminary Statement to this Agreement.

     10-K Filing Deadline: As defined in Section 6.21(b)(i) hereof.

     Accepted Servicing Practices: With respect to any Mortgage Loan, those mortgage
servicing practices of prudent mortgage lending institutions which service mortgage loans of the
same type as such Mortgage Loan in the jurisdiction where the related Mortgaged Property is
located.

     Accountant: A Person engaged in the practice of accounting who (except when this
Agreement provides that an Accountant must be Independent) may be employed by or affiliated with
the Depositor or an Affiliate of the Depositor.

     Accountant’s Attestation: As defined in Section 6.24.

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     Accrual Period: With respect to any Distribution Date and any Class of LIBOR
Certificates, the period commencing on the 20th day of the month preceding the month in
which the Distribution Date occurs and ending on the 19th day of the month in which the
Distribution Date occurs; provided, however, that the first Accrual Period with respect to the
LIBOR Certificates shall be the period beginning on the Closing Date and ending on June 19, 2007.
The Accrual Period applicable to the remaining Classes of Certificates and to each Lower-Tier
Interest is the calendar month preceding the month in which the Distribution Date occurs. Interest
shall accrue on all Classes of Certificates and on all Lower-Tier Interests on the basis of a
360-day year consisting of twelve 30-day months, except that for the first Accrual Period only,
interest shall accrue on each Class of LIBOR Certificates on the basis of a 25-day Accrual Period
and a year assumed to consist of 360 days.

     Acknowledgements: The Assignment, Assumption and Recognition Agreements, each dated
May 25, 2007, assigning rights under the Purchase Agreements and the Servicing Agreements from the
Seller to the Depositor and from the Depositor to the Trustee, for the benefit of the
Certificateholders.

     Additional Collateral: With respect to any Additional Collateral Mortgage Loan, the
marketable securities and other acceptable collateral pledged as collateral pursuant to the related
pledge agreements.

     Additional Collateral Mortgage Loan: Each Mortgage Loan identified as such in the
Mortgage Loan Schedule.

     Additional Form 10-D Disclosure: As defined in Section 6.21(a)(i).

     Additional Form 10-K Disclosure: As defined in Section 6.21(b)(i).

     Additional Servicer: Each affiliate of a Servicer that Services any of the Mortgage
Loans and each Person who is not an affiliate of the Depositor, who Services 10% or more of the
Mortgage Loans (measured by aggregate Stated Principal Balance of the Mortgage Loans, annually at
the commencement of the calendar year prior to the year in which an Item 1123 Certificate is
required to be delivered). For clarification purposes, the Master Servicer and the Securities
Administrator are Additional Servicers.

     Adjustment Date: As to any Mortgage Loan, the date on which the related Mortgage Rate
adjusts in accordance with the terms of the related Mortgage Note.

     Advance: With respect to a Mortgage Loan, the payments required to be made by the
Master Servicer or the applicable Servicer with respect to any Distribution Date pursuant to this
Agreement or the Servicing Agreements, as applicable, the amount of any such payment being equal to
the aggregate of the payments of principal and interest (net of the Master Servicing Fee and/or the
applicable Servicing Fee and net of any net income in the case of any REO Property) on the Mortgage
Loans that were due on the related Due Date and not received as of the close of business on the
related Determination Date, less the aggregate amount of any such delinquent
payments that the Master Servicer or the Servicers have determined would constitute
Nonrecoverable Advances if advanced.

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     Adverse REMIC Event: Either (i) loss of status as a REMIC, within the meaning of
Section 860D of the Code, for any group of assets identified as a REMIC in the Preliminary
Statement to this Agreement, or (ii) imposition of any tax, including the tax imposed under Section
860F(a)(1) on prohibited transactions, and the tax imposed under Section 860G(d) on certain
contributions to a REMIC, on any REMIC created hereunder to the extent such tax would be payable
from assets held as part of the Trust Fund.

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

     Aggregate Expense Rate: With respect to any Mortgage Loan, the sum of the Master
Servicing Fee Rate, the applicable Servicing Fee Rate and the premium rate of any lender-paid
Primary Mortgage Insurance Policy, expressed as an annual rate.

     Aggregate Stated Principal Balance: As to any Distribution Date, the aggregate of the
Stated Principal Balances for all Mortgage Loans (and when such term is used with respect to a
particular Mortgage Pool, the aggregate of the Stated Principal Balances of the Mortgage Loans in
such Mortgage Pool) which were outstanding on the Due Date in the month preceding the month of such
Distribution Date.

     Aggregate Voting Interests: The aggregate of the Voting Interests of all the
Certificates under this Agreement.

     Agreement: This Pooling and Servicing Agreement and all amendments and supplements
hereto.

     Applicable Credit Support Percentage: As to any Class of Group 1 Subordinate
Certificates and any Distribution Date, the sum of the Class Subordination Percentage of such Class
and the aggregate of the Class Subordination Percentages of all other Classes (if any) of Group 1
Subordinate Certificates that rank lower in priority than such Class; and as to any Class of Group
2 Subordinate Certificates and any Distribution Date, the sum of the Class Subordination Percentage
of such Class and the aggregate of the Class Subordination Percentages of all other Classes (if
any) of Group 2 Subordinate Certificates that rank lower in priority than such Class.

     Apportioned Principal Balance: As to any Distribution Date and each Class of Group 2
Subordinate Certificates, the Class Principal Amount thereof immediately prior to that Distribution
Date multiplied by a fraction, the numerator of which is the applicable Pool Subordinate Amount
(i.e., the Pool 2A Subordinate Amount or the Pool 2B Subordinate Amount,
as the case may require), and the denominator of which is the sum of the Pool 2A Subordinate
Amount and the Pool 2B Subordinate Amount, in each case, on such date.

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     Appraised Value: With respect to any Mortgage Loan, the Appraised Value of the
related Mortgaged Property shall be: (i) with respect to a Mortgage Loan other than a Refinancing
Mortgage Loan, the lesser of (a) the value of the Mortgaged Property based upon the appraisal made
at the time of the origination of such Mortgage Loan and (b) the sales price of the Mortgaged
Property at the time of the origination of such Mortgage Loan; and (ii) with respect to a
Refinancing Mortgage Loan, the value of the Mortgaged Property based upon the appraisal made at the
time of the origination of such Refinancing Mortgage Loan.

     Assessment of Compliance: As defined in Section 6.23(a).

     Assignment of Mortgage: An assignment of the Mortgage, notice of transfer or
equivalent instrument, in recordable form, sufficient under the laws of the jurisdiction wherein
the related Mortgaged Property is located to reflect the sale of the Mortgage to the Trustee, which
assignment, notice of transfer or equivalent instrument may be in the form of one or more blanket
assignments covering the Mortgage Loans secured by Mortgaged Properties located in the same
jurisdiction, if permitted by law; provided, however, that the Trustee shall not be responsible for
determining whether any such assignment is in recordable form.

     Authenticating Agent: Any authenticating agent appointed by the Trustee pursuant to
Section 6.10 until any successor authenticating agent for the Certificates is named, and thereafter
“Authenticating Agent” shall mean any such successor. The initial Authenticating Agent shall be
the Securities Administrator under this Agreement.

     Authorized Officer: Any Person who may execute an Officer’s Certificate on behalf of
the Depositor.

     Available Distribution Amount: With respect to any Distribution Date and each
Mortgage Pool, the total amount of all cash, including the related Redemption Price (if applicable)
received by the Master Servicer or the Securities Administrator on the Mortgage Loans in such
Mortgage Pool from each Servicer or otherwise through the Distribution Account Deposit Date for
deposit into the Distribution Account in respect of such Distribution Date, including (1) all
scheduled installments of interest (net of the related Servicing Fees and Master Servicing Fees)
and principal collected on the related Mortgage Loans and due during the Due Period related to such
Distribution Date, together with any Advances in respect thereof, (2) all Insurance Proceeds,
Liquidation Proceeds, Subsequent Recoveries and the proceeds of any Additional Collateral from the
related Mortgage Loans, in each case for such Distribution Date, (3) all partial or full Principal
Prepayments, together with any accrued interest thereon, identified as having been received from
the related Mortgage Loans during the related Prepayment Period, (4) any amounts paid by the Master
Servicer and/or received from the Servicers in respect of Prepayment Interest Shortfalls with
respect to the related Mortgage Loans; and (5) the aggregate Purchase Price of all Defective
Mortgage Loans in such Mortgage Pool purchased from the Trust Fund during the related Prepayment
Period, minus:

(A) an amount equal to the product of (a) the applicable Pool Percentage and (b) the sum of
(i) all related fees, charges and other amounts (other than the Master Servicing Fees)
payable or reimbursable to the Master Servicer, the Securities Administrator and

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the Trustee
under this Agreement (subject to an aggregate maximum amount of $300,000 annually (per year
from the Closing Date to the first anniversary of the Closing Date and each subsequent
anniversary year thereafter) to be paid to such parties collectively, whether from
collections from Pool 1, Pool 2A or Pool 2B, in the order claims for payment of such amounts
are received by the Securities Administrator, provided, however, that if a claim is
presented for an amount that, when combined with the amount of prior claims paid during
that year, would exceed $300,000, then only a portion of such claim will be paid that will
make the total amount paid during that year equal to $300,000 and the excess remaining
unpaid, together with any additional claims received during that year, will be deferred
until the following anniversary year and if the total amount of such deferred claims exceeds
$300,000 then payment in such following anniversary year (and each subsequent anniversary
year as may be needed until such deferred claims are paid in full) shall be apportioned
between the Master Servicer and the Securities Administrator, on the one hand, and the
Trustee on the other hand, in proportion to the aggregate amount of deferred claims
submitted by such group as of the last day of the prior year, and (ii) all charges and other
amounts payable to the Servicers under the Servicing Agreements;

(B) in the case of (2), (3), (4) and (5) above, with respect to the related Mortgage Loans,
any related unreimbursed expenses incurred by the related Servicers in connection with a
liquidation or foreclosure and any unreimbursed Advances or Servicer Advances due to the
Master Servicer or the related Servicers;

(C) with respect to the related Mortgage Loans, any related unreimbursed Nonrecoverable
Advances due to the Master Servicer or the Servicers; and

(D) in the case of (1) through (4) above, with respect to the related Mortgage Loans, any
related amounts collected which are determined to be attributable to a subsequent Due Period
or Prepayment Period.

     Back-Up Certification: As defined in Section 6.21(e).

     Bankruptcy: As to any Person, the making of an assignment for the benefit of
creditors, the filing of a voluntary petition in bankruptcy, adjudication as a bankrupt or
insolvent, the entry of an order for relief in a bankruptcy or insolvency proceeding, the seeking
of reorganization, arrangement, composition, readjustment, liquidation, dissolution or similar
relief, or seeking, consenting to or acquiescing in the appointment of a trustee, receiver or
liquidator, dissolution, or termination, as the case may be, of such Person pursuant to the
provisions of either the Bankruptcy Code or any other similar state laws.

     Bankruptcy Code: The United States Bankruptcy Code of 1986, as amended.

     BBA: The British Banker’s Association.

     Benefit Plan Opinion: An Opinion of Counsel satisfactory to the Certificate Registrar
to the effect that any proposed transfer will not (i) cause the assets of the Trust Fund to be
regarded as plan assets for purposes of the Plan Asset Regulations or (ii) give rise to any
fiduciary duty on the part of the Depositor or the Trustee.

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     Book-Entry Certificates: Beneficial interests in Certificates designated as
“Book-Entry Certificates” in this Agreement, ownership and transfers of which shall be evidenced or
made through book entries by a Clearing Agency as described in Section 3.09; provided, that after
the occurrence of a Book-Entry Termination whereupon book-entry registration and transfer are no
longer permitted and Definitive Certificates are to be issued to Certificate Owners, such
Book-Entry Certificates shall no longer be “Book-Entry Certificates.” As of the Closing Date, the
following Classes of Certificates constitute Book-Entry Certificates: Class 1-A1, Class 1-A2,
Class 1-A3, Class 1-XA, Class 1-XB, Class 2A-A1, Class 2B-A1, Class 1-B1, Class 1-B2, Class 1-B3,
Class 2-B1, Class 2-B2 and Class 2-B3.

     Book-Entry Termination: As defined in Section 3.09(c).

     Business Day: Any day other than (i) a Saturday or a Sunday or (ii) a day on which
banking institutions in New York, New York or, if other than New York, the city in which the
Corporate Trust Office of the Trustee is located, or the States of Maryland or Minnesota, are
authorized or obligated by law or executive order to be closed.

     Certificate: Any one of the certificates signed by the Trustee and authenticated by
the Securities Administrator as Authenticating Agent in substantially the forms attached hereto as
Exhibit A.

     Certificate Interest Rate: With respect to each Class of Certificates and any
Distribution Date, the applicable per annum rate described in the Preliminary Statement to this
Agreement.

     Certificate Owner: With respect to a Book-Entry Certificate, the Person who is the
owner of such Book-Entry Certificate, as reflected on the books of the Clearing Agency, or on the
books of a Person maintaining an account with such Clearing Agency (directly or as an indirect
participant, in accordance with the rules of such Clearing Agency).

     Certificate Principal Amount: With respect to any Certificate (other than an
Interest-Only Certificate), at the time of determination, the maximum specified dollar amount of
principal to which the Holder thereof is then entitled hereunder, such amount being equal to the
initial principal amount set forth on the face of such Certificate, less (i) the amount of all
principal distributions previously made with respect to such Certificate; (ii) all Realized Losses
allocated to such Certificate; provided, however, that on any Distribution Date on which a
Subsequent Recovery is distributed, the Certificate Principal Amount of any Certificate then
outstanding to which a Realized Loss amount has been applied will be increased sequentially, in
order of seniority, by an amount equal to the lesser of (A) the Realized Loss amount previously
allocated to that Certificate and (B) any Subsequent Recovery allocable to any Group 1 Certificate
after application (for this purpose) to more senior Classes of Group 1 Certificates, and any
Subsequent Recovery allocable to any Group 2 Certificate after application (for this purpose)
to more senior Classes of Group 2 Certificates pursuant to this Agreement; (iii) in the case
of a Group 1 Subordinate Certificate, any Group 1 Subordinate Certificate Writedown Amount
allocated to such Certificate; and (iv) in the case of a Group 2 Subordinate Certificate, any Group
2 Subordinate Certificate Writedown Amount allocated to such Certificate. For purposes of Article
V hereof, unless specifically provided to the contrary, Certificate Principal Amounts shall

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be
determined as of the close of business of the immediately preceding Distribution Date, after giving
effect to all distributions made on such date. Interest-Only Certificates, if applicable, are
issued without Certificate Principal Amounts.

     Certificate Register and Certificate Registrar: The register maintained and the
registrar appointed pursuant to Section 3.02. The Securities Administrator will act as the initial
Certificate Registrar.

     Certificateholder: The meaning provided in the definition of “Holder.”

     Certification Parties: As defined in Section 6.21(e).

     Certifying Person: As defined in Section 6.21(e).

     Civil Relief Act: The Servicemembers Civil Relief Act, as amended, or any similar
state or local law.

     Class: Collectively, Certificates bearing the same class designation. In the case of
the Lower-Tier REMIC, the term “Class” refers to all Lower-Tier Interests having the same
alphanumeric designation.

     Class 1-AR Certificate: The Class 1-AR Certificate executed by the Trustee, and
authenticated and delivered by the Authenticating Agent, substantially in the form annexed hereto
as Exhibit A, and evidencing the ownership of the sole residual interest in the Group 1 Upper-Tier
REMIC.

     Class 1-LTR Certificate: The Class 1-LTR Certificate executed by the Trustee and
authenticated and delivered by the Authenticating Agent, substantially in the form annexed as
Exhibit A and evidencing ownership of the 1-LTR Interest.

     Class 1-XA Required Reserve Fund Deposit: For any Distribution Date, an amount equal
to the lesser of (i) the Current Interest for the Class 1-XA Certificates for such Distribution
Date and (ii) the amount needed to increase the amount on deposit in the Class 1-XA Sub Account to
the sum of (a) Net WAC Shortfalls for such Distribution Date with respect to the Class 1-A1, Class
1-A2 and Class 1-A3 Certificates and (b) $5,000.

     Class 1-XA Sub Account: As defined in Section 5.06(b).

     Class 1-XB Required Reserve Fund Deposit: For any Distribution Date, an amount equal
to the lesser of (i) the Current Interest for the Class 1-XB Certificates for such Distribution
Date and (ii) the amount needed to increase the amount on deposit in the Class 1-XB Sub Account to
the sum of (a) Net WAC Shortfalls for such Distribution Date with respect to the Class 1-B1
and Class 1-B2 Certificates and (b) $5,000.

     Class 1-XB Sub Account: As defined in Section 5.06(b).

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     Class 2-AR Certificate: The Class 2-AR Certificate executed by the Trustee, and
authenticated and delivered by the Authenticating Agent, substantially in the form annexed hereto
as Exhibit A, and evidencing the ownership of the sole residual interest in the Group 2 Upper-Tier
REMIC.

     Class 2-LTR Certificate: The Class 2-LTR Certificate executed by the Trustee and
authenticated and delivered by the Authenticating Agent, substantially in the form annexed as
Exhibit A and evidencing ownership of the 2-LTR Interest.

     Class Notional Amount: With respect to any Class of Interest-Only Certificates, the
applicable class notional amount calculated as provided in the Preliminary Statement to this
Agreement.

     Class Principal Amount: With respect to each Class of Certificates (other than any
Interest-Only Certificate), the aggregate of the Certificate Principal Amounts of all Certificates
of such Class at the date of determination. With respect to any Lower-Tier Interest, the initial
Class Principal Amount as shown or described in the table set forth in the Preliminary Statement to
this Agreement for the issuing REMIC, as reduced by principal distributed with respect to such
Lower-Tier Interest and Realized Losses allocated to such Lower-Tier Interest at the date of
determination.

     Class Subordination Percentage: With respect to each Class of Group 1 Subordinate
Certificates or Group 2 Subordinate Certificates, for each Distribution Date, the percentage
obtained by dividing the Class Principal Amount of such Class immediately prior to such
Distribution Date by the aggregate of the Class Principal Amounts of all Classes of Group 1
Subordinate Certificates or Group 2 Subordinate Certificates, respectively, immediately prior to
such Distribution Date.

     Clearing Agency: An organization registered as a “clearing agency” pursuant to
Section 17A of the Exchange Act. As of the Closing Date, the Clearing Agency shall be The
Depository Trust Company.

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

     Closing Date: May 25, 2007.

     Code: The Internal Revenue Code of 1986, as amended, and as it may be further amended
from time to time, any successor statutes thereto, and applicable U.S. Department of Treasury
regulations issued pursuant thereto in temporary or final form.

     Collection Accounts: Each collection account (other than an Escrow Account)
established and maintained by a Servicer pursuant to a Servicing Agreement.

     Commission: U.S. Securities and Exchange Commission.

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     Compensating Interest Payment: As to any Distribution Date, the lesser of (1) the
Master Servicing Fee for such date and (2) any Prepayment Interest Shortfall for such date.

     Component: Not applicable.

     Component Interest Rate: Not applicable.

     Component Notional Amount: Not applicable.

     Cooperative Corporation: The entity that holds title (fee or an acceptable leasehold
estate) to the real property and improvements constituting the Cooperative Property and which
governs the Cooperative Property, which Cooperative Corporation must qualify as a Cooperative
Housing Corporation under Section 216 of the Code.

     Cooperative Loan: Any Mortgage Loan secured by Cooperative Shares and a Proprietary
Lease.

     Cooperative Property: The real property and improvements owned by the Cooperative
Corporation, that includes the allocation of individual dwelling units to the holders of the shares
of the Cooperative Corporation.

     Cooperative Shares: Shares issued by a Cooperative Corporation.

     Corporate Trust Office: With respect to the Trustee, the principal corporate trust
office of the Trustee located at 452 Fifth Avenue, New York, New York 10018, Attention: Trustee
Sequoia Mortgage Trust 2007-2, or at such other address as the Trustee may designate from time to
time by notice to the Certificateholders, the Depositor, the Master Servicer and the Securities
Administrator or the principal corporate trust office of any successor Trustee. With respect to
the Certificate Registrar and presentment of Certificates for registration of transfer, exchange
or final payment, Wells Fargo Bank, N.A., Sixth Street and Marquette Avenue, Minneapolis, Minnesota
55479, Attention: Sequoia Mortgage Trust 2007-2.

     Corresponding Class of Certificates: With respect to each Lower-Tier Interest, the
Class or Classes of Certificates appearing opposite such Lower-Tier Interest, as described in the
Preliminary Statement to this Agreement.

     Current Interest: With respect to each Class of Certificates and any Distribution
Date, the aggregate amount of interest accrued at the applicable Certificate Interest Rate during
the related Accrual Period on the Class Principal Amount or Class Notional Amount, as applicable,
of such Class immediately prior to such Distribution Date.

     Custodian: A Person who is at anytime appointed by the Trustee and the Depositor as a
custodian of all or a portion of the Mortgage Documents and the related Trustee Mortgage Files and
listed on the Mortgage Loan Schedule as the Custodian of such Mortgage Documents and related
Trustee Mortgage Files. The initial Custodian is Wells Fargo Bank, N.A.

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     Custody Agreement: The Custody Agreement, dated as of May 1, 2007, among the
Depositor, the Seller, the Trustee and Wells Fargo Bank, N.A., as Custodian. A copy of the Custody
Agreement is attached hereto as Exhibit D.

     Cut-off Date: May 1, 2007.

     Debt Service Reduction: With respect to any Mortgage Loan, a reduction by a court of
competent jurisdiction in a proceeding under the Bankruptcy Code in the Scheduled Payment for such
Mortgage Loan which became final and non-appealable, except such a reduction resulting from a
Deficient Valuation or any reduction that results in a permanent forgiveness of principal.

     Defective Mortgage Loan: The meaning specified in Section 2.04.

     Deficient Valuation: With respect to any Mortgage Loan, a valuation of the related
Mortgaged Property by a court of competent jurisdiction in an amount less than the then outstanding
indebtedness under the Mortgage Loan, or any reduction in the amount of principal to be paid in
connection with any Scheduled Payment that results in a permanent forgiveness of principal, which
valuation or reduction results from an order of such court which is final and non-appealable in a
proceeding under the Bankruptcy Code.

     Definitive Certificate: A Certificate of any Class issued in definitive, fully
registered, certificated form.

     Deleted Mortgage Loan: As defined in the applicable Purchase Agreement.

     Delinquent: Any Mortgage Loan with respect to which the Scheduled Payment due on a
Due Date is not received, based on the MBS method of calculating delinquency.

     Depositor: Sequoia Residential Funding, Inc., a Delaware corporation having its
principal place of business in California, or its successors in interest.

     Determination Date: With respect to each Distribution Date, the 18th day of the month
in which such Distribution Date occurs, or, if such 18th day is not a Business Day, the next
succeeding Business Day; provided, however, that with respect to a Servicer, the Determination Date
is the date set forth in the related Servicing Agreement.

     Disqualified Organization: A “disqualified organization” as defined in Section
860E(e)(5) of the Code.

     Distribution Account: The separate Eligible Account created and maintained by the
Securities Administrator, on behalf of the Trustee, pursuant to Section 4.01. Funds in the
Distribution Account (exclusive of any earnings on investments made with funds deposited in
the Distribution Account) shall be held in trust for the Trustee and the Certificateholders
for the uses and purposes set forth in this Agreement.

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     Distribution Account Deposit Date: The 18th day of each calendar month after the
initial issuance of the Certificates or, if such 18th day is not a Business Day, the immediately
preceding Business Day, commencing in June 2007.

     Distribution Date: The 20th day of each month or, if such 20th day is not a Business
Day, the next succeeding Business Day, commencing in June 2007.

     Distribution Date Statement: As defined in Section 4.04.

     Document Transfer Event: The day on which (i) Wells Fargo Bank, N.A. or any successor
thereto is no longer a Servicer of any of the Mortgage Loans, (ii) the senior, unsecured long-term
debt rating of Wells Fargo & Company is less than “BBB-” by Fitch or (iii) any Rating Agency
requires such Servicer to deliver the Retained Mortgage Files to the Custodian.

     Due Date: With respect to any Mortgage Loan, the date on which a Scheduled Payment is
due under the related Mortgage Note as indicated in the applicable Servicing Agreement.

     Due Period: As to any Distribution Date, the period beginning on the second day of
the month preceding the month of such Distribution Date, and ending on the first day of the month
of such Distribution Date.

     Effective Loan-to-Value Ratio: A fraction, expressed as a percentage, the numerator
of which is the original Stated Principal Balance of the Mortgage Loan, less the amount of
Additional Collateral required to secure such Mortgage Loan at the time of origination, if any, and
the denominator of which is the Appraised Value of the related Mortgage Property at such date.

     Eligible Account: Any of (i) an account or accounts maintained with a federal or
state chartered depository institution or trust company the short-term unsecured debt obligations
of which (or, in the case of a depository institution or trust company that is the principal
subsidiary of a holding company, the debt obligations of such holding company) have the highest
short-term ratings of each Rating Agency at the time any amounts are held on deposit therein, or
(ii) an account or accounts in a depository institution or trust company in which such accounts are
insured by the FDIC or the SAIF (to the limits established by the FDIC or the SAIF) and the
uninsured deposits in which accounts are otherwise secured such that, as evidenced by an Opinion of
Counsel delivered to the Trustee, the Securities Administrator and to each Rating Agency, the
Certificateholders have a claim with respect to the funds in such account or a perfected first
priority security interest against any collateral (which shall be limited to Permitted Investments)
securing such funds that is superior to claims of any other depositors or creditors of the
depository institution or trust company in which such account is maintained, or (iii) a trust
account or accounts maintained with the trust department of a federal or state chartered depository
institution or trust company, acting in its fiduciary capacity or (iv) any other account acceptable
to each Rating Agency. Eligible Accounts may bear interest, and may include, if
otherwise qualified under this definition, accounts maintained with the Trustee, the Paying
Agent, the Securities Administrator or the Master Servicer.

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

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     ERISA-Qualifying Underwriting: A best efforts or firm commitment underwriting or
private placement that meets the requirements of an Underwriter’s Exemption.

     ERISA-Restricted Certificate: The Class 1-AR, Class 2-AR, Class 1-LTR, Class 2-LTR,
Class 1-B4, Class 1-B5, Class 1-B6, Class 2-B4, Class 2-B5 or Class 2-B6 Certificates, any Retained
Certificates until such Retained Certificates have been subject to an ERISA-Qualifying Underwriting
and any Certificate that does not satisfy the applicable rating requirement under the Underwriter’s
Exemption.

     Escrow Account: As defined in Section 1 of each Servicing Agreement.

     Event of Default: Any one of the conditions or circumstances enumerated in Section
6.14.

     Exchange Act: The Securities Exchange Act of 1934, as amended, and the rules and
regulations thereunder.

     Excluded Trust Property: As defined in the Preliminary Statement.

     Fannie Mae: The Federal National Mortgage Association, a federally chartered and
privately owned corporation organized and existing under the Federal National Mortgage Association
Charter Act, or any successor thereto.

     FDIC: The Federal Deposit Insurance Corporation or any successor thereto.

     FHLMC: The Federal Home Loan Mortgage Corporation, a corporate instrumentality of the
United States created and existing under Title III of the Emergency Home Finance Act of 1970, as
amended, or any successor thereto.

     Fitch Ratings: Fitch, Inc., or any successor in interest.

     Form 8-K Disclosure Information: As defined in Section 6.21(c)(i).

     Global Securities: The global certificates representing the Book-Entry Certificates.

     Group 1 Aggregate Senior Percentage: As to any Distribution Date, the percentage
equivalent of a fraction, the numerator of which is the aggregate of the Class Principal Amounts of
the Class 1-A1, Class 1-A2, Class 1-A3 and Class 1-AR Certificates and the denominator of which is
the Aggregate Stated Principal Balance of Pool 1 for such date, but in no event greater than 100%.

     Group 1 Aggregate Subordinate Percentage: As to any Distribution Date and Pool 1, the
excess of 100% over the Group 1 Aggregate Senior Percentage for such Distribution Date, but in no
event less than zero.

     Group 1 Certificates: Collectively, the Group 1 Senior Certificate and the Group 1
Subordinate Certificates.

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     Group 1 Lower-Tier REMIC: As described in the Preliminary Statement to this
Agreement.

     Group 1 Senior Certificate: Any Class 1-A1, Class 1-A2, Class 1-A3, Class 1-XA, Class
1-XB, Class 1-AR or Class 1-LTR Certificate.

     Group 1 Senior Prepayment Percentage: With respect to any Distribution Date occurring
before the Distribution Date in June 2017 and Pool 1, 100%. Except as provided herein, the Group 1
Senior Prepayment Percentage and any Distribution Date occurring in or after June 2017 shall be as
follows: (i) from June 2017 through May 2018, the related Senior Percentage plus 70% of the related
Subordinate Percentage for that Distribution Date; (ii) from June 2018 through May 2019, the
related Senior Percentage plus 60% of the related Subordinate Percentage for that Distribution
Date; (iii) from June 2019 through May 2020, the related Senior Percentage plus 40% of the related
Subordinate Percentage for that Distribution Date; (iv) from June 2020 through May 2021, the
related Senior Percentage plus 20% of the related Subordinate Percentage for that Distribution
Date; and (v) from and after June 2021, the related Senior Percentage for that Distribution Date;
provided, however, that there shall be no reduction in the Group 1 Senior Prepayment Percentage
unless both Group 1 Step Down Conditions are satisfied; and provided, further, that if on any such
Distribution Date on or after the Distribution Date in June 2017, the Senior Percentage for Pool 1
exceeds the initial Senior Percentage for Pool 1, the Group 1 Senior Prepayment Percentage for that
Distribution Date shall again equal 100%.

     Notwithstanding the above, if on any Distribution Date the Group 1 Two Times Test is satisfied
on any Distribution Date (i) before the Distribution Date in June 2010, the Group 1 Senior
Prepayment Percentage shall equal the related Senior Percentage for such Distribution Date plus 50%
of an amount equal to the 100% minus the related Senior Percentage for such Distribution Date and
(ii) on or after the Distribution Date in June 2010, the Group 1 Senior Prepayment Percentage shall
equal the related Senior Percentage for such Distribution Date. In addition, if on any
Distribution Date the allocation to the Group 1 Senior Certificates then entitled to distributions
of principal of full and partial principal prepayments and other amounts in the percentage required
above would reduce the aggregate of the Class Principal Amounts of those Certificates to below
zero, the Group 1 Senior Prepayment Percentage for such Distribution Date shall be limited to the
percentage necessary to reduce the each such Class Principal Amount to zero.

     Group 1 Step Down Conditions: As of the first Distribution Date as to which any
decrease in any Group 1 Senior Prepayment Percentage applies, (i) the aggregate outstanding Stated
Principal Balance of all Pool 1 Mortgage Loans 60 days or more Delinquent (including such Mortgage
Loans in REO, foreclosure and bankruptcy status) (averaged over the preceding
six-month period), as a percentage of the aggregate of the Class Principal Amounts of the
Group 1 Subordinate Certificates on such Distribution Date, does not equal or exceed 50% and (ii)
cumulative Realized Losses with respect to the Pool 1 Mortgage Loans do not exceed (a) with respect
to each Distribution Date from June 2017 through May 2018, 30% of the Original Group 1 Subordinate
Class Principal Amount, (b) with respect to each Distribution Date from June 2018 through May 2019,
35% of the Original Group 1 Subordinate Class Principal Amount, (c) with respect to each
Distribution Date from June 2019 through May 2020, 40% of the

221575 Sequoia 2007-2

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19

 

Original Group 1 Subordinate Class
Principal Amount, (d) with respect to each Distribution Date from June 2020 through May 2021, 45%
of the Original Group 1 Subordinate Class Principal Amount and (e) with respect to each
Distribution Date from and after June 2021, 50% of the Original Group 1 Subordinate Class Principal
Amount.

     Group 1 Step-Up Date: The Distribution Date on which the then Aggregate Stated
Principal Balance of the Pool 1 Mortgage Loans is equal to or less than 10% of the Aggregate Stated
Principal Balance of the Pool 1 Mortgage Loans as of the Cut-off Date.

     Group 1 Subordinate Certificate: Any Class 1-B1, Class 1-B2, Class 1-B3, Class 1-B4,
Class 1-B5 or Class 1-B6 Certificate.

     Group 1 Subordinate Certificate Writedown Amount: The amount described in Section
5.03(e).

     Group 1 Two Times Test: As to Pool 1 and any Distribution Date, (i) the Group 1
Aggregate Subordinate Percentage is at least two times the Group 1 Aggregate Subordinate Percentage
as of the Closing Date; (ii) the aggregate outstanding Stated Principal Balance of all Pool 1
Mortgage Loans 60 days or more Delinquent (including such Mortgage Loans in REO, foreclosure and
bankruptcy status) (averaged over the preceding six month period), as a percentage of the aggregate
of the Class Principal Amounts of the Group 1 Subordinate Certificates on such Distribution Date,
does not equal or exceed 50%; and (iii) on or prior to the Distribution Date in May 2010,
cumulative Realized Losses with respect to the Pool 1 Mortgage Loans do not exceed 20% of the
aggregate Original Group 1 Subordinate Class Principal Amount, and thereafter, cumulative Realized
Losses with respect to the Pool 1 Mortgage Loans do not exceed 30% of the Original Group 1
Subordinate Class Principal Amount.

     Group 1 Upper-Tier REMIC: As described in the Preliminary Statement to this
Agreement.

     Group 1 Aggregate Senior Percentage: As to any Distribution Date, the percentage
equivalent of a fraction, the numerator of which is the aggregate of the Class Principal Amounts of
the Class 1-A1, Class 1-A2, Class 1-A3 and Class 1-AR Certificates and the denominator of which is
the Aggregate Stated Principal Balance of Pool 1 for such date, but in no event greater than 100%.

     Group 2 Aggregate Senior Percentage: As to any Distribution Date, the percentage
equivalent of a fraction, the numerator of which is the aggregate of the Class Principal Amounts of
the Class 2A-A1, Class 2B-A1 and Class 2-AR Certificates and the denominator of which is
the sum of the Aggregate Stated Principal Balances of Pool 2A and Pool 2B for such date, but
in no event greater than 100%.

     Group 2 Aggregate Subordinate Percentage: As to any Distribution Date and Pool 2A and
Pool 2B (in the aggregate), the excess of 100% over the Group 2 Aggregate Senior Percentage for
such Distribution Date, but in no event less than zero.

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     Group 2 Certificates: Collectively, the Group 2A Senior Certificate, the Group 2B
Senior Certificates and the Group 2 Subordinate Certificates.

     Group 2 Credit Support Depletion Date: The first Distribution Date, if any, on which
the aggregate of the Class Principal Amounts of the Group 2 Subordinate Certificates has been
reduced to zero.

     Group 2 Lower-Tier REMIC: As described in the Preliminary Statement to this
Agreement.

     Group 2 Senior Certificate: All of the Group 2A Senior Certificates and Group 2B
Senior Certificates.

     Group 2 Senior Prepayment Percentage: With respect to any Distribution Date occurring
before the Distribution Date in June 2014 and each of Pool 2A and Pool 2B, 100%. Except as
provided herein, the Group 2 Senior Prepayment Percentage and any Distribution Date occurring in or
after June 2014 shall be as follows: (i) from June 2014 through May 2015, the related Senior
Percentage plus 70% of the related Subordinate Percentage for that Distribution Date; (ii) from
June 2015 through May 2016, the related Senior Percentage plus 60% of the related Subordinate
Percentage for that Distribution Date; (iii) from June 2016 through May 2017, the related Senior
Percentage plus 40% of the related Subordinate Percentage for that Distribution Date; (iv) from
June 2017 through May 2018, the related Senior Percentage plus 20% of the related Subordinate
Percentage for that Distribution Date; and (v) from and after June 2018, the related Senior
Percentage for that Distribution Date; provided, however, that there shall be no reduction in the
Group 2 Senior Prepayment Percentage unless both Group 2 Step Down Conditions are satisfied; and
provided, further, that if on any such Distribution Date on or after the Distribution Date in June
2014, the Senior Percentage for Pool 2A or Pool 2B exceeds the initial related Senior Percentage
for such Mortgage Pool, the Group 2 Senior Prepayment Percentage for each of Pool 2A and Pool 2B
for that Distribution Date shall again equal 100%.

     Notwithstanding the above, if on any Distribution Date the Group 2 Two Times Test is satisfied
on any Distribution Date (i) before the Distribution Date in June 2010, the Group 2 Senior
Prepayment Percentage with respect to each of Pool 2A and Pool 2B shall equal the related Senior
Percentage for such Distribution Date plus 50% of an amount equal to the 100% minus the related
Senior Percentage for such Distribution Date and (ii) on or after the Distribution Date in June
2010, the Group 2 Senior Prepayment Percentage shall equal the related Senior Percentage for such
Distribution Date. In addition, if on any Distribution Date the allocation to the Group 2 Senior
Certificates then entitled to distributions of principal of full and partial principal prepayments
and other amounts in the percentage required above would reduce
the aggregate of the Class Principal Amounts of those Certificates to below zero, the Group 2
Senior Prepayment Percentage for such Distribution Date shall be limited to the percentage
necessary to reduce each such Class Principal Amount to zero.

     Group 2 Step Down Conditions: As of the first Distribution Date as to which any
decrease in any Group 2 Senior Prepayment Percentage applies, (i) the aggregate outstanding Stated
Principal Balance of all Mortgage Loans in Pool 2A and Pool 2B (in the aggregate) that

221575 Sequoia 2007-2

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21

 

are 60 days
or more Delinquent (including such Mortgage Loans in REO, foreclosure and bankruptcy status)
(averaged over the preceding six-month period), as a percentage of the aggregate of the Class
Principal Amounts of the Group 2 Subordinate Certificates on such Distribution Date, does not equal
or exceed 50% and (ii) cumulative Realized Losses with respect to Pool 2A and Pool 2B (in the
aggregate) do not exceed (a) with respect to each Distribution Date from June 2014 through May
2015, 30% of the Original Group 2 Subordinate Class Principal Amount, (b) with respect to each
Distribution Date from June 2015 through May 2016, 35% of the Original Group 2 Subordinate Class
Principal Amount, (c) with respect to each Distribution Date from June 2016 through May 2017, 40%
of the Original Group 2 Subordinate Class Principal Amount, (d) with respect to each Distribution
Date from June 2017 through May 2018, 45% of the Original Group 2 Subordinate Class Principal
Amount and (e) with respect to each Distribution Date from and after June 2018, 50% of the Original
Group 2 Subordinate Class Principal Amount.

     Group 2 Subordinate Certificate: Any Class 2-B1, Class 2-B2, Class 2-B3, Class 2-B4,
Class 2-B5 or Class 2-B6 Certificate.

     Group 2 Subordinate Net WAC: For any Distribution Date, the weighted average of the
Pool 2A Net WAC (weighted on the basis of the Pool 2A Subordinate Amount) and the Pool 2B Net WAC
(weighted on the basis of the Pool 2B Subordinate Amount), immediately prior to such Distribution
Date.

     Group 2 Subordinate Certificate Writedown Amount: The amount described in Section
5.03(d).

     Group 2 Two Times Test: As to Pool 2A and Pool 2B and any Distribution Date, (i) the
Group 2 Aggregate Subordinate Percentage is at least two times the Group 2 Aggregate Subordinate
Percentage as of the Closing Date; (ii) the aggregate outstanding Stated Principal Balance of all
Mortgage Loans in Pool 2A and Pool 2B (in the aggregate) that are 60 days or more Delinquent
(including such Mortgage Loans in REO, foreclosure and bankruptcy status) (averaged over the
preceding six month period), as a percentage of the aggregate of the Class Principal Amounts of the
Group 2 Subordinate Certificates on such Distribution Date, does not equal or exceed 50%; and (iii)
on or prior to the Distribution Date in May 2010, cumulative Realized Losses with respect to Pool
2A and Pool 2B (in the aggregate) do not exceed 20% of the aggregate Original Group 2 Subordinate
Class Principal Amount, and thereafter, cumulative Realized Losses with respect to Pool 2A and Pool
2B (in the aggregate) do not exceed 30% of the Original Group 2 Subordinate Class Principal Amount.

     Group 2 Upper-Tier REMIC: As described in the Preliminary Statement to this
Agreement.

     Group 2A Senior Certificate: Any Class 2A-A1, Class 2-AR or Class 2-LTR Certificate.

     Group 2B Senior Certificate: Any Class 2B-A1 Certificate.

     Holder or Certificateholder: The registered owner of any Certificate as recorded on
the books of the Certificate Registrar except that, solely for the purposes of taking any action or

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Pooling and Servicing Agmt.

22

 

giving any consent pursuant to this Agreement, any Certificate registered in the name of the
Depositor, the Trustee, the Master Servicer, the Securities Administrator and any Servicer, or any
Affiliate thereof shall be deemed not to be outstanding in determining whether the requisite
percentage necessary to effect any such consent has been obtained, except that, in determining
whether the Trustee shall be protected in relying upon any such consent, only Certificates which a
Responsible Officer of the Trustee knows to be so owned shall be disregarded. The Trustee, the
Certificate Registrar and the Securities Administrator may request and conclusively rely on
certifications by the Depositor, the Master Servicer, the Securities Administrator or any Servicer
in determining whether any Certificates are registered to an Affiliate of the Depositor, the Master
Servicer, the Securities Administrator or any Servicer.

     HUD: The United States Department of Housing and Urban Development, or any successor
thereto.

     Independent: When used with respect to any Accountants, a Person who is “independent”
within the meaning of Rule 2-01(b) of the Securities and Exchange Commission’s Regulation S-X.
When used with respect to any other Person, a Person who (a) is in fact independent of another
specified Person and any Affiliate of such other Person, (b) does not have any material direct
financial interest in such other Person or any Affiliate of such other Person, and (c) is not
connected with such other Person or any Affiliate of such other Person as an officer, employee,
promoter, underwriter, trustee, partner, director or Person performing similar functions.

     Index: As to each Mortgage Loan, the index from time to time in effect for adjustment
of the Mortgage Rate as set forth as such on the related Mortgage Note.

     Initial One-Month LIBOR Rate: 5.32%.

     Initial Trust Receipt. With respect to any Mortgage Loan, as defined in the Custody
Agreement.

     Insurance Policy: With respect to any Mortgage Loan, any insurance policy, including
all names and endorsements thereto in effect, including any replacement policy or policies for any
Insurance Policies.

     Insurance Proceeds: Proceeds paid by any Insurance Policy (excluding proceeds
required to be applied to the restoration and repair of the related Mortgaged Property or released
to the
Mortgagor), in each case other than any amount included in such Insurance Proceeds in respect
of Insured Expenses and (i) the proceeds from any Limited Purpose Surety Bond.

     Insured Expenses: Expenses covered by an Insurance Policy or any other insurance
policy with respect to the Mortgage Loans.

     Interest Distribution Amount: For each Class of Certificates on any Distribution Date,
the Current Interest for such Class as reduced by such Class’s share of Net Prepayment Interest
Shortfalls and Relief Act Shortfalls. Any such shortfalls and reductions shall be allocated among
(i) the Group 1 Certificates proportionately based on the amount of Net Prepayment Interest

221575 Sequoia 2007-2

Pooling and Servicing Agmt.

23

 

Shortfalls and Relief Act Shortfalls experienced by the Pool 1 and related Current Interest
otherwise distributable thereon on such Distribution Date, (ii) the Group 2A Senior Certificates
proportionately based on the amount of Net Prepayment Interest Shortfalls and Relief Act Shortfalls
experienced by the Pool 2A and related Current Interest otherwise distributable thereon on such
Distribution Date, (iii) the Group 2B Senior Certificates proportionately based on the amount of
Net Prepayment Interest Shortfalls and Relief Act Shortfalls experienced by Pool 2A and related
Current Interest otherwise distributable thereon on such Distribution Date and (iv) the Group 2
Subordinate Certificates, proportionately based on the amount of Net Prepayment Interest Shortfalls
and Relief Act Shortfalls experienced by Pool 2A and Pool 2B (in the aggregate), and interest
accrued on their Apportioned Principal Balances before taking into account any reductions in such
amounts from shortfalls for that Distribution Date.

     Interest-Only Certificates: Any of the Class 1-XA or Class 1-XB Certificates.

     Interest Shortfall: As to any Class of Certificates and any Distribution Date, (i)
the amount by which the Interest Distribution Amount for such Class on such Distribution Date and
all prior Distribution Dates exceeds (ii) amounts distributed in respect thereof to such Class on
prior Distribution Dates.

     Interest Transfer Amount: With respect to any Distribution Date and for any
Undercollateralized Group, an amount equal to one month’s interest on the applicable Principal
Transfer Amount at the Pool 2A Net WAC (if Pool 2A is an Undercollateralized Group) or the Pool 2B
Net WAC (if Pool 2B is an Undercollateralized Group), plus any interest accrued on such
Undercollateralized Group remaining unpaid from prior Distribution Dates.

     Intervening Assignments: The original intervening assignments of the Mortgage,
notices of transfer or equivalent instrument.

     Item 1123 Certificate: As defined in Section 6.22.

     Latest Possible Maturity Date: The Distribution Date occurring in June 2037.

     LIBOR Business Day: Any day on which banks in London, England and The City of New
York are open and conducting transactions in foreign currency and exchange.

     LIBOR Certificate: Any Class 1-A1, Class 1-A2, Class 1-A3, Class 1-B1 or Class 1-B2
Certificate.

     LIBOR Determination Date: With respect to each Class of LIBOR Certificates and any
Distribution Date, the second LIBOR Business Day immediately preceding the commencement of the
Accrual Period related to such Distribution Date.

     Limited Purpose Surety Bond: Any Limited Purpose Surety Bond listed in Exhibit G.

     Liquidated Mortgage Loan: With respect to any Distribution Date, a defaulted Mortgage
Loan (including any REO Property) which was liquidated in the calendar month preceding the month of
such Distribution Date and as to which the related Servicer has certified (in accordance

221575 Sequoia 2007-2

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24

 

with its
Servicing Agreement) that it has received all amounts it expects to receive in connection with the
liquidation of such Mortgage Loan including the final disposition of an REO Property.

     Liquidation Proceeds: Amounts, including Insurance Proceeds, received in connection
with the partial or complete liquidation of defaulted Mortgage Loans, whether through trustee’s
sale, foreclosure sale or otherwise or amounts received in connection with any condemnation or
partial release of a Mortgaged Property and any other proceeds received in connection with an REO
Property.

     Loan-To-Value Ratio: With respect to any Mortgage Loan and as to any date of
determination, the fraction (expressed as a percentage) the numerator of which is the principal
balance of the related Mortgage Loan at such date of determination and the denominator of which is
the Appraised Value of the related Mortgaged Property.

     Lower-Tier Interest: Any one of the interests in a Lower-Tier REMIC as described in
the Preliminary Statement to this Agreement.

     Lower-Tier REMIC: Any of the Group 1 Lower-Tier REMIC or Group 2 Lower-Tier REMIC.

     Margin: As to each Mortgage Loan, the percentage amount set forth on the related
Mortgage Note added to the Index in calculating the Mortgage Rate thereon.

     Master Servicer: Wells Fargo Bank, N.A., a national banking association organized
under the laws of the United States in its capacity as Master Servicer and any Person succeeding as
Master Servicer hereunder or any successor in interest, or if any successor master servicer shall
be appointed as herein provided, then such successor master servicer.

     Master Servicing Fee: With respect to any Distribution Date, an amount equal to the
product of one-twelfth of the Master Servicing Fee Rate and the Stated Principal Balance of each
Mortgage Loan as of the first day of the related Due Period.

     Master Servicing Fee Rate: 0.005% per annum.

     Maximum Rate: As to any Mortgage Loan, the maximum rate set forth on the related
Mortgage Note at which interest can accrue on such Mortgage Loan.

     MERS: Mortgage Electronic Registration Systems, Inc., or its successors or assigns.

     MERS Designated Mortgage Loan: Each Mortgage Loan that has been originated in the
name of, or assigned to, MERS and registered under the MERS System.

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

     Middle-Tier Interest: Not applicable.

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     Middle-Tier REMIC: Not applicable.

     Moody’s: Moody’s Investors Service, Inc., or any successor in interest.

     Mortgage: A mortgage, deed of trust or other instrument encumbering a fee simple
interest in real property securing a Mortgage Note, together with improvements thereto.

     Mortgage Documents: With respect to each Mortgage Loan, the mortgage documents
required to be delivered to the Custodian pursuant to the Custody Agreement.

     Mortgage Loan: A Mortgage and the related notes or other evidences of indebtedness
secured by each such Mortgage conveyed, transferred, sold, assigned to or deposited with the
Trustee pursuant to Section 2.01 (including any Replacement Loan and REO Property), including
without limitation, each Mortgage Loan listed on the Mortgage Loan Schedule, as amended from time
to time.

     Mortgage Loan Purchase and Sale Agreement: The mortgage loan purchase and sale
agreement, dated as of May 1, 2007, between the Seller and the Depositor.

     Mortgage Loan Schedule: The schedule attached hereto as Schedule A, which shall
identify each Mortgage Loan, as such schedule may be amended by the Depositor or the Servicer from
time to time to reflect the addition of Replacement Mortgage Loans to, or the deletion of Deleted
Mortgage Loans from, the Trust Fund. Such schedule shall, among other things (i) designate the
Servicer servicing such Mortgage Loan and the applicable Servicing Fee Rate (and the rate of any
subservicing fee, if applicable); (ii) identify the designated Mortgage Pool in which such Mortgage
Loan is included; (iii) separately identify the Mortgage Loans with Mortgage Rates that adjust
based on the one-month LIBOR index, six-month LIBOR index, one-year CMT index, six-month CMT index
and one-year LIBOR index; (iv) separately identify Additional Collateral Mortgage Loans; and (v)
designate the rate of any lender-paid Primary Mortgage Insurance Policy.

     Mortgage Note: The original executed note or other evidence of the indebtedness of a
Mortgagor secured by a Mortgage under a Mortgage Loan.

     Mortgage Pool: Each of Pool 1, Pool 2A and Pool 2B.

     Mortgaged Property: The underlying property, including any Additional Collateral,
securing a Mortgage Loan which, with respect to a Cooperative Loan, is the related Cooperative
Shares and Property Lease.

     Mortgage Rate: As to any Mortgage Loan, the annual rate of interest borne by the
related Mortgage Notes.

     Mortgagor: The obligor on a Mortgage Note.

     MT-R Interest: Not applicable.

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     Net Liquidation Proceeds: With respect to any Liquidated Mortgage Loan or any other
disposition of related Mortgaged Property, the related Liquidation Proceeds net of Advances,
Servicer Advances, related Servicing Fees and/or Master Servicing Fees and any other accrued and
unpaid servicing fees received and retained in connection with the liquidation of such Mortgage
Loan or Mortgaged Property.

     Net Mortgage Rate: With respect to any Mortgage Loan and any Distribution Date, the
related Mortgage Rate as of the Due Date in the month preceding the month of such Distribution Date
reduced by the Aggregate Expense Rate for such Mortgage Loan.

     Net Prepayment Interest Shortfall: With respect to any Mortgage Loan and any
Distribution Date, the amount by which any Prepayment Interest Shortfall for such date exceeds the
amount of Compensating Interest Payment paid by the Master Servicer and related amounts paid by the
applicable Servicer in respect of such shortfall.

     Net WAC Shortfall: For any Class of LIBOR Certificates and any Distribution Date, the
sum of:

	 	(i)	 	the excess, if any, of the amount that would have been the Current Interest for
such Class if the Certificate Interest Rate for such Class were calculated without
regard to clause (ii) in the definition thereof, over the actual Current Interest for
such Class for such Distribution Date;
	 
	 	(ii)	 	any excess described in clause (i) above remaining unpaid from prior
Distribution Dates; and
	 
	 	(iii)	 	interest for the applicable Accrual Period on the amount described in clause
(ii) above based on the applicable Certificate Interest Rate (determined without regard
to clause (ii) in the definition thereof).

     Non-Book-Entry Certificate: Any Certificate other than a Book-Entry Certificate.

     Non-permitted Foreign Holder: As defined in Section 3.03(g).

     Nonrecoverable Advance: Any portion of an Advance or Servicer Advance previously made
or proposed to be made by the Master Servicer and/or a Servicer (as certified in an Officer’s
Certificate of the Servicer), which in the good faith judgment of such party, shall not be
ultimately recoverable by such party from the related Mortgagor, related Liquidation Proceeds or
otherwise.

     Non-Upper-Tier REMIC: As defined in Section 10.01(d).

     Non-U.S. Person: Any person other than a “United States person” within the meaning of
Section 7701(a)(30) of the Code.

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     Notional Amount: With respect to any Interest-Only Certificate and any Distribution
Date, such Certificate’s Percentage Interest of the Class Notional Amount of such Class of
Certificates for such Distribution Date.

     Officer’s Certificate: A certificate signed by two Authorized Officers of the
Depositor or the Chairman of the Board, any Vice Chairman, the President, any Vice President or any
Assistant Vice President of the Master Servicer or the Securities Administrator, and in each case
delivered to the Trustee or the Securities Administrator, as provided in this Agreement.

     Officer’s Certificate of the Servicer: A certificate (i) signed by the Chairman of
the Board, the Vice Chairman of the Board, the President, a Managing Director, a Vice President
(however denominated), an Assistant Vice President, the Treasurer, the Secretary, or one of the
Assistant Treasurers or Assistant Secretaries of a Servicer, or (ii) if provided for herein, signed
by a Servicing Officer, as the case may be, and delivered to the Trustee, the Securities
Administrator or the Master Servicer, as required hereby.

     One-Month LIBOR: With respect to the first Accrual Period, the Initial One-Month
LIBOR Rate. With respect to each subsequent Accrual Period, a per annum rate determined on the
LIBOR Determination Date for the LIBOR Certificates in the following manner by the Securities
Administrator on the basis of the “Interest Settlement Rate” set by the BBA for one-month United
States dollar deposits, as such rates appear on the Telerate Page 3750, as of 11:00 a.m. (London
time) on such LIBOR Determination Date.

     (a) If on such a LIBOR Determination Date, the BBA’s Interest Settlement Rate does not appear
on the Telerate Page 3750 as of 11:00 a.m. (London time), or if the Telerate Page 3750 is not
available on such date, the Securities Administrator will obtain such rate from Reuters Monitor
Money Rates Service “page LIBOR01” or Bloomberg L.P. page “BBAM.” If such rate is not published
for such LIBOR Determination Date, One-Month LIBOR for such date will be the most recently
published Interest Settlement Rate. In the event that the BBA no longer sets an Interest
Settlement Rate, the Securities Administrator will designate an alternative index that has
performed, or that the Securities Administrator expects to perform, in a manner substantially
similar to the BBA’s Interest Settlement Rate. The Securities Administrator will select a
particular index as the alternative index only if it receives an Opinion of Counsel, which opinion
shall be an expense reimbursed from the Distribution Account, that the selection of such index will
not cause any of the REMICs to lose their classification as REMICs for federal income tax purposes.

     (b) The establishment of One-Month LIBOR by the Securities Administrator and the Securities
Administrator’s subsequent calculation of the Certificate Interest Rate applicable to the LIBOR
Certificates for the relevant Accrual Period, in the absence of manifest error, will be final and
binding.

     Opinion of Counsel: A written opinion of counsel, reasonably acceptable in form and
substance to the Trustee, the Securities Administrator or the Master Servicer, as required hereby,
and who may be in-house or outside counsel to the Depositor, the Master Servicer, the Securities
Administrator or the Trustee but which must be Independent outside counsel with respect to any

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such
opinion of counsel concerning the transfer of any Residual Certificate or concerning certain
matters with respect to the Employee Retirement Income Security Act of 1974, as amended (“ERISA”),
or the taxation, or the federal income tax status, of each REMIC.

     Original Applicable Credit Support Percentage: With respect to the Group 1
Subordinate Certificates and the Group 2 Subordinate Certificates, the related Applicable Credit
Support Percentage as of the Closing Date, which shall be equal to the approximate percentage set
forth in the table below opposite the Class designation of each such Class of Subordinate
Certificates:

Group 1 Subordinate Certificates

	 	 	 	 	 
	Class 1-B1
	 	 	2.00	%
	Class 1-B2
	 	 	1.65	%
	Class 1-B3
	 	 	1.35	%
	Class 1-B4
	 	 	0.40	%
	Class 1-B5
	 	 	0.25	%
	Class 1-B6
	 	 	0.10	%

Group 2 Subordinate Certificates

	 	 	 	 	 
	Class 2-B1
	 	 	4.00	%
	Class 2-B2
	 	 	2.25	%
	Class 2-B3
	 	 	1.50	%
	Class 2-B4
	 	 	1.00	%
	Class 2-B5
	 	 	0.60	%
	Class 2-B6
	 	 	0.25	%

     Original Group 1 Subordinate Class Principal Amount: The aggregate of the initial
Class Principal Amounts of the Group 1 Subordinate Certificates as of the Closing Date.

     Original Group 2 Subordinate Class Principal Amount: The aggregate of the initial
Class Principal Amounts of the Group 2 Subordinate Certificates as of the Closing Date.

     Overcollateralized Group: On any Distribution Date, the Group 2A Senior Certificates,
if Pool 2B is the Undercollateralized Group, or the Group 2B Senior Certificates, if Pool 2A is the
Undercollateralized Group.

     Paying Agent: Any paying agent appointed pursuant to Section 3.08. The initial
Paying Agent shall be the Securities Administrator under this Agreement.

     Percentage Interest: With respect to any Certificate, its percentage interest in the
undivided beneficial ownership interest in the Trust Fund evidenced by all Certificates of the
same Class as such Certificate. With respect to any Certificate, other than an Interest-Only
Certificate, if applicable, or the Class 1-AR, Class 1-LTR, Class 2-AR and Class 2-LTR
Certificates, the Percentage Interest evidenced thereby shall equal the initial Certificate
Principal Amount thereof divided by the initial Class Principal Amount of all Certificates of the
same

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Class. With respect to each of the Class 1-AR, Class 1-LTR, Class 2-AR and Class 2-LTR
Certificates, the Percentage Interest evidenced thereby shall be as specified on the face thereof,
or otherwise, be equal to 100%. With respect to any Interest-Only Certificate, the Percentage
Interest evidenced thereby shall equal its initial Notional Amount as set forth on the face thereof
divided by the initial Class Notional Amount of such Class.

     Permitted Investments: At any time, any one or more of the following obligations and
securities:

     (i) obligations of the United States or any agency thereof, provided that such
obligations are backed by the full faith and credit of the United States;

     (ii) general obligations of or obligations guaranteed by any state of the United States
or the District of Columbia receiving the highest long-term debt rating of each Rating
Agency, or such lower rating as shall not result in the downgrading or withdrawal of the
ratings then assigned to the Certificates by the Rating Agencies, as evidenced by a signed
writing delivered by each Rating Agency;

     (iii) commercial or finance company paper which is then receiving the highest
commercial or finance company paper rating of each Rating Agency rating such paper, or such
lower rating as shall not result in the downgrading or withdrawal of the ratings then
assigned to the Certificates by the Rating Agencies, as evidenced by a signed writing
delivered by each Rating Agency;

     (iv) certificates of deposit, demand or time deposits, or bankers’ acceptances issued
by any depository institution or trust company incorporated under the laws of the United
States or of any state thereof and subject to supervision and examination by federal and/or
state banking authorities, provided that the commercial paper and/or long-term unsecured
debt obligations of such depository institution or trust company (or in the case of the
principal depository institution in a holding company system, the commercial paper or
long-term unsecured debt obligations of such holding company, but only if Moody’s is not the
applicable Rating Agency) are then rated one of the two highest long-term and the highest
short-term ratings of each Rating Agency for such securities, or such lower ratings as shall
not result in the downgrading or withdrawal of the ratings then assigned to the Certificates
by the Rating Agencies, as evidenced by a signed writing delivered by each Rating Agency;

     (v) demand or time deposits or certificates of deposit issued by any bank or trust
company or savings institution to the extent that such deposits are fully insured by the
FDIC;

     (vi) guaranteed reinvestment agreements issued by any bank, insurance company or other
corporation acceptable to the Rating Agencies at the time of the issuance of such
agreements, as evidenced by a signed writing delivered by each Rating Agency;

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     (vii) repurchase obligations with respect to any security described in clauses (i) and
(ii) above, in either case entered into with a depository institution or trust company
(acting as principal) described in clause (iv) above;

     (viii) securities (other than stripped bonds, stripped coupons or instruments sold at a
purchase price in excess of 115% of the face amount thereof) bearing interest or sold at a
discount issued by any corporation incorporated under the laws of the United States or any
state thereof which, at the time of such investment, have one of the two highest long-term
ratings of each Rating Agency (except if the Rating Agency is Moody’s, such rating shall be
the highest commercial paper rating of Moody’s for any such series), or such lower rating as
shall not result in the downgrading or withdrawal of the ratings then assigned to the
Certificates by the Rating Agencies, as evidenced by a signed writing delivered by each
Rating Agency;

     (ix) interests in any money market fund which at the date of acquisition of the
interests in such fund and throughout the time such interests are held in such fund has the
highest applicable rating by each Rating Agency rating such fund or such lower rating as
shall not result in a change in the rating then assigned to the Certificates by each Rating
Agency as evidenced by a signed writing delivered by each Rating Agency, including funds for
which the Trustee, the Master Servicer, the Securities Administrator or any of its
Affiliates is investment manager or adviser;

     (x) short-term investment funds sponsored by any trust company or national banking
association incorporated under the laws of the United States or any state thereof which on
the date of acquisition has been rated by each applicable Rating Agency in their respective
highest applicable rating category or such lower rating as shall not result in a change in
the rating then specified stated maturity and bearing interest or sold at a discount
acceptable to each Rating Agency as shall not result in the downgrading or withdrawal of the
ratings then assigned to the Certificates by the Rating Agencies as evidenced by a signed
writing delivered by each Rating Agency; and

     (xi) such other investments having a specified stated maturity and bearing interest or
sold at a discount acceptable to the Rating Agencies as shall not result in the downgrading
or withdrawal of the ratings then assigned to the Certificates by the Rating Agencies as
evidenced by a signed writing delivered by each Rating Agency;

provided, that no such instrument shall be a Permitted Investment if (i) such instrument evidences
the right to receive interest only payments with respect to the obligations underlying such
instrument, (ii) such instrument would require the Depositor to register as an investment company
under the Investment Company Act of 1940, as amended or (iii) the rating of such instrument
contains a “t” or “r” notation therein.

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

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     Plan: An employee benefit plan or other retirement arrangement which is subject to
Section 406 of ERISA and/or Section 4975 of the Code or any entity whose underlying assets include
such plan’s or arrangement’s assets by reason of their investment in the entity.

     Plan Asset Regulations: The Department of Labor regulations set forth in 29 C.F.R.
2510.3-101.

     Pool 1: The aggregate of Mortgage Loans identified on the Mortgage Loan Schedule as
being included in Pool 1.

     Pool 1 Mortgage Loan: Any Mortgage Loan in Pool 1.

     Pool 1 Net WAC: With respect to any Distribution Date, the weighted average of the
Net Mortgage Rates of the Pool 1 Mortgage Loans as of the first day of the calendar month
immediately preceding the calendar month of such Distribution Date, weighted on the basis of their
Stated Principal Balances.

     Pool 2A: The aggregate of Mortgage Loans identified on the Mortgage Loan Schedule as
being included in Pool 2A.

     Pool 2A Mortgage Loan: Any Mortgage Loan in Pool 2A.

     Pool 2A Net WAC: With respect to any Distribution Date, the weighted average of the
Net Mortgage Rates of the Pool 2A Mortgage Loans as of the first day of the calendar month
immediately preceding the calendar month of such Distribution Date, weighted on the basis of their
Stated Principal Balances.

     Pool 2A Subordinate Amount: For any Distribution Date, the excess of the Aggregate
Stated Principal Balance of the Pool 2A Mortgage Loans over the aggregate of the Class Principal
Amounts of the Group 2A Senior Certificates immediately before such Distribution Date.

     Pool 2B: The aggregate of Mortgage Loans identified on the Mortgage Loan Schedule as
being included in Pool 2B.

     Pool 2B Mortgage Loan: Any Mortgage Loan in Pool 2B.

     Pool 2B Net WAC: With respect to any Distribution Date, the weighted average of the
Net Mortgage Rates of the Pool 2B Mortgage Loans as of the first day of the calendar month
immediately preceding the calendar month of such Distribution Date, weighted on the basis of their
Stated Principal Balances.

     Pool 2B Subordinate Amount: For any Distribution Date, the excess of the Aggregate
Stated Principal Balance of the Pool 2B Mortgage Loans over the aggregate of the Class Principal
Amounts of the Group 2B Senior Certificates immediately before such Distribution Date.

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     Pool Percentage: With respect to each Mortgage Pool and any Distribution Date, a
fraction, expressed as a percentage, the numerator of which is the Aggregate Stated Principal
Balance of such Mortgage Pool, and the denominator of which is the sum of the Aggregate Stated
Principal Balances of all of the Mortgage Pools as of such Due Date.

     Pool Subordinate Amount: Either of the Pool 2A Subordinate Amount or the Pool 2B
Subordinate Amount.

     Prepayment Interest Shortfall: With respect to any full or partial Principal
Prepayment of a Mortgage Loan, the excess, if any, of (i) one full month’s interest at the
applicable Mortgage Rate on the Stated Principal Balance of such Mortgage Loan immediately prior to
such Principal Prepayment over (ii) the amount of interest actually received with respect to such
Mortgage Loan in connection with such Principal Prepayment.

     Prepayment Period: With respect to each Distribution Date, the calendar month
immediately preceding the month in which the Distribution Date occurs.

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

     Principal Distribution Amount: With respect to any Mortgage Pool and any Distribution
Date, the sum of (a) each Scheduled Payment of principal collected or advanced on the related
Mortgage Loans (before taking into account any Deficient Valuations or Debt Service Reductions) and
due during the related Due Period, (b) that portion of the Purchase Price representing principal of
any Mortgage Loans in such Mortgage Pool purchased in accordance with Section 2.04 hereof and
received during the related Prepayment Period, (c) the principal portion of any related
Substitution Amount received during the related Prepayment Period, (d) any Subsequent Recoveries
and the principal portion of all Insurance Proceeds received during the related Prepayment Period
with respect to Mortgage Loans in such Mortgage Pool that are not yet Liquidated Mortgage Loans,
(e) the principal portion of all Net Liquidation Proceeds received during the related Prepayment
Period with respect to Liquidated Mortgage Loans in such Mortgage Pool, (f) the principal portion
of the proceeds of any Additional Collateral with respect to the Mortgage Loans in such Mortgage
Pool, (g) the principal portion of all partial and full principal prepayments of Mortgage Loans in
such Mortgage Pool applied by the Servicers during the related Prepayment Period and (h) on the
Distribution Date on which the Group 1 Certificates are to be redeemed pursuant to Article X
hereof, that portion of the Redemption Price in respect of principal for Pool 1, and on the
Distribution Date on which the Group 2 Certificates are to be redeemed pursuant to Article X
hereof, that portion of the Redemption Price in respect of principal for Pool 2A and Pool 2B.

     Principal Prepayment: Any Mortgagor payment of principal or other recovery of
principal on a Mortgage Loan that is recognized as having been received or recovered in advance of
its scheduled Due Date and applied to reduce the principal balance of the Mortgage Loan in
accordance with the terms of the Mortgage Note or the Servicing Agreement.

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33

 

     Principal Prepayment In Full: Any Principal Prepayment of the entire principal
balance of the Mortgage Loans.

     Principal Transfer Amount: For any Distribution Date and for any Undercollateralized
Group, the excess, if any, of the aggregate of the Class Principal Amounts of the Senior
Certificates related to such Undercollateralized Group immediately prior to such Distribution Date,
over the Aggregate Stated Principal Balance of the Mortgage Pool related to such
Undercollateralized Group immediately prior to such Distribution Date.

     Proceeding: Any suit in equity, action at law or other judicial or administrative
proceeding.

     Proprietary Lease: With respect to any Cooperative Property, a lease or occupancy
agreement between a Cooperative Corporation and a holder of related Cooperative Shares.

     Prospectus: The prospectus supplement dated May 23, 2007 and the accompanying
prospectus dated July 26, 2006, relating to the Class 1-A1, Class 1-A2, Class 1-A3, Class 1-XA,
Class 1-XB, Class 1-AR, Class 2A-A1, Class 2B-A1, Class 2-AR, Class 1-B1, Class 1-B2, Class 1-B3,
Class 2-B1, Class 2-B2 and Class 2-B3 Certificates, together with any supplement thereto.

     Purchase Agreement: Each mortgage purchase agreement listed in Exhibit F hereto, as
each such agreement has been modified by the related Acknowledgement.

     Purchase Price: With respect to any Mortgage Loan required or permitted to be
purchased by the Seller or Depositor pursuant to this Agreement, by the Servicers pursuant to the
Servicing Agreements, or by the Seller pursuant to the Purchase Agreements, an amount equal to the
sum of (i) 100% of the unpaid principal balance of the Mortgage Loan on the date of such purchase,
(ii) accrued interest thereon at the applicable Net Mortgage Rate from the date through which
interest was last paid by the Mortgagor to the Due Date in the month in which the Purchase Price is
to be distributed to Certificateholders, or such other amount as may be specified in the related
Servicing Agreement or Purchase Agreement and (iii) the amount of any costs and damages incurred by
the Trust Fund as a result of any violation of any applicable federal, state, or local predatory or
abusive lending law arising from or in connection with the origination of such Mortgage Loan.

     Rapid Prepayment Conditions: As to any Distribution Date, if (1) Group 2 Aggregate
Subordinate Percentage on such date is less than 200% of the Group 2 Aggregate Subordinate
Percentage on the Closing Date; or (2) the outstanding Stated Principal Balance of the Mortgage
Loans in Pool 2A or Pool 2B that are 60 days or more Delinquent (including such Mortgage Loans in
REO, foreclosure and bankruptcy status) (averaged over the preceding six month period), as a
percentage of the Pool Subordinate Amount of such Mortgage Pool, is greater than or equal to 50%.

     Rating Agency: Each of Fitch Ratings, Moody’s and S&P.

     Realized Loss: With respect to each Liquidated Mortgage Loan, an amount (not less
than zero or more than the Stated Principal Balance of the Mortgage Loan) as of the date of such

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34

 

liquidation, equal to (i) the Stated Principal Balance of the Liquidated Mortgage Loan as of the
date of such liquidation, plus (ii) interest at the Net Mortgage Rate from the Due Date as to which
interest was last paid or advanced (and not reimbursed) to Certificateholders up to the Due Date in
the month in which Liquidation Proceeds are required to be distributed on the Stated Principal
Balance of such Liquidated Mortgage Loan from time to time, minus (iii) the Liquidation Proceeds
and the proceeds of any Additional Collateral, if any, received during the month in which such
liquidation occurred, to the extent applied as recoveries of interest at the Net Mortgage Rate and
to principal of the Liquidated Mortgage Loan. With respect to each Mortgage Loan which has become
the subject of a Deficient Valuation, if the principal amount due under the related Mortgage Note
has been reduced, the difference between the principal balance of the Mortgage Loan outstanding
immediately prior to such Deficient Valuation and the principal balance of the Mortgage Loan as
reduced by the Deficient Valuation.

     Record Date: As to any Distribution Date (i) with respect to the LIBOR Certificates,
the last Business Day preceding such Distribution Date (or the Closing Date, in the case of the
first Distribution Date) unless such Certificates shall no longer be Book-Entry Certificates, in
which case the Record Date shall be the last Business Day of the month preceding the month of such
Distribution Date and (ii) in the case of all other Certificates (including LIBOR Certificates that
are subsequently reissued as Definitive Certificates), the last Business Day of the month preceding
the month of each Distribution Date (or the Closing Date, in the case of the first Distribution
Date).

     Redemption Price: With respect to any Class of Certificates to be redeemed, an amount
equal to 100% of the related Class Principal Amount of the Certificates to be so redeemed, together
with interest on such amount at the applicable Certificate Interest Rate through the related
Accrual Period (excluding the amount of any unpaid Net WAC Shortfalls with respect to the LIBOR
Certificates), and including, the payment of all amounts relating to Pool 1 (in the case of a
redemption of the Group 1 Certificates) and all amounts relating to Pool 2A and Pool 2B, in the
aggregate (in the case of a redemption of the Group 2 Certificates), in each case, including,
without limitation, all previously unreimbursed Advances and Servicer Advances and accrued and
unpaid Servicing Fees, payable or reimbursable to the Trustee, the Securities Administrator, the
Master Servicer and the Servicers pursuant to this Agreement and the Servicing Agreements, or to
the Custodian under the Custody Agreement (to the extent such amounts are not paid to the Custodian
by the Seller), as applicable.

     Refinancing Mortgage Loan: Any Mortgage Loan originated in connection with the
refinancing of an existing mortgage loan.

     Regulation AB: Subpart 229.1100 – Asset Backed Securities (Regulation AB), 17 C.F.R.
§§229.1100-229.1123, as such may be amended from time to time, and subject to such clarifications
and interpretations as have been provided by the Commission in the adopting release (Asset-Backed
Securities, Securities Act Release No. 33-8518, 70 Fed. Reg. 1,506, 1,531
(Jan. 7, 2005)) or by the staff of the Commission, or as may be provided by the Commission or
its staff from time to time.

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     Relevant Servicing Criteria: The Servicing Criteria applicable to each party, as set
forth on Exhibit N attached hereto. Multiple parties can have responsibility for the same Relevant
Servicing Criteria. With respect to a Servicing Function Participant engaged by the Master
Servicer, the Securities Administrator or any Servicer, the term “Relevant Servicing Criteria” may
refer to a portion of the Relevant Servicing Criteria applicable to such parties.

     Relief Act Shortfalls: With respect to any Distribution Date and any Mortgage Loan as
to which there has been a reduction in the amount of interest collectible thereon for the most
recently ended calendar month as a result of the application of the Civil Relief Act, the amount,
if any, by which (i) interest collectible on such Mortgage Loan for the most recently ended
calendar month is less than (ii) interest accrued thereon for such month pursuant to the Mortgage
Note.

     REMIC: Each pool of assets in the Trust Fund designated as a REMIC as described in
the Preliminary Statement to this Agreement.

     REMIC Provisions: The provisions of the federal income tax law relating to real
estate mortgage investment conduits, which appear at sections 860A through 860G of the Code, and
related provisions, and regulations, including proposed regulations and rulings, and administrative
pronouncements promulgated thereunder, as the foregoing may be in effect from time to time.

     REO Property: A Mortgaged Property acquired by the Trust Fund through foreclosure or
deed-in-lieu of foreclosure in connection with a defaulted Mortgage Loan or otherwise treated as
having been acquired pursuant to the REMIC Provisions.

     Replacement Mortgage Loan: A mortgage loan substituted by the Seller for a Deleted
Mortgage Loan which must, on the date of such substitution, as confirmed in a Request for Release,
substantially in the form attached to the Custody Agreement, (i) have a Stated Principal Balance,
after deduction of the principal portion of the Scheduled Payment due in the month of substitution,
not in excess of, and not more than 10% less than, the Stated Principal Balance of the Deleted
Mortgage Loan; (ii) have a Maximum Rate not less than (and not more than two percentage points
greater than) the Maximum Rate of the Deleted Mortgage Loan; (iii) have a gross margin not less
than that of the Deleted Mortgage Loan and, if Mortgage Loans equal to 1% or more of the balance of
the related Mortgage Pool as of the Cut-off Date have become Deleted Mortgage Loans, not more than
two percentage points more than that of the Deleted Mortgage Loan; (iv) have an Effective
Loan-to-Value Ratio or Loan-to-Value Ratio, as applicable, no higher than that of the Deleted
Mortgage Loan; (v) have Adjustment Dates that are no more or less frequent than the Deleted
Mortgage Loan; (vi) have a remaining term to maturity no greater than (and not more than one year
less than that of) the Deleted Mortgage Loan; (vii) not permit conversion of the related Mortgage
Rate to a permanent fixed Mortgage Rate; (viii) not be a Cooperative Loan unless the Deleted
Mortgage Loan was a Cooperative Loan; (ix) have the same or better Fair, Isaac & Company (FICO)
credit score; (x) have an initial interest
adjustment date no earlier than five months before (and no later than five months after) the
initial adjustment date of the Deleted Mortgage Loan, (xi) comply with each representation and
warranty set forth in Article III of each Purchase Agreement; and (xii) shall be accompanied by

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an
Opinion of Counsel that such Replacement Mortgage Loan would not adversely affect the REMIC status
of the Trust Fund or would not otherwise be prohibited by this Agreement.

     Reportable Event: As defined in Section 6.21(c)(i).

     Reporting Servicer: As defined in Section 6.21(b)(i).

     Required Reserve Fund Deposit: Each of the Class 1-XA Required Reserve Fund Deposit
and the Class 1-XB Required Reserve Fund Deposit.

     Reserve Fund: A fund created as part of the Trust Fund pursuant to Section 5.06 of
this Agreement (but which is not an asset of any REMIC) consisting of the Class 1-XA Sub Account
and the Class 1-XB Sub Account.

     Residual Certificate: Each of the Class 1-AR, Class 2-AR, Class 1-LTR and Class 2-LTR
Certificates.

     Responsible Officer: With respect to the Trustee, any officer in the corporate trust
department or similar group of the Trustee with direct responsibility for the administration of
this Agreement and also, with respect to a particular corporate trust matter, any other officer to
whom such matter is referred because of his or her knowledge of and familiarity with the particular
subject.

     Restricted Certificate: Any Class B-4, Class B-5, Class B-6 or Class LT-R
Certificate.

     Restricted Global Security: As defined in Section 3.01(c).

     Restricted Holder: As defined in Section 3.03(d).

     Retained Certificates: Not applicable.

     Retained Mortgage File: Any file of mortgage loan documents maintained by Wells Fargo
Bank, N.A., in its capacity as Servicer, pursuant to the related Servicing Agreement, prior to any
Document Transfer Event.

     S&P: Standard & Poor’s Ratings Services, a division of The McGraw-Hill Companies,
Inc., or any successor in interest.

     SAIF: The Saving’s Association Insurance Fund, or any successor thereto.

     Sarbanes Oxley Act: The Sarbanes-Oxley Act of 2002 and the rules and regulations of
the Commission promulgated thereunder (including any interpretations thereof by the Commission’s
staff).

     Sarbanes-Oxley Certification: As defined in Section 6.21(e).

     Schedule of Exceptions: With respect to any Mortgage Loan, as defined in the Custody
Agreement.

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     Scheduled Payment: The scheduled monthly payment on a Mortgage Loan due on any Due
Date allocable to principal and/or interest on such Mortgage Loan which, unless otherwise specified
in the Servicing Agreements, shall give effect to any related Debt Service Reduction and any
Deficient Valuation that affects the amount of the monthly payment due on such Mortgage Loan.

     Securities Act: The Securities Act of 1933, as amended, and the rules and regulations
thereunder.

     Securities Administrator: Wells Fargo Bank, N.A., not in its individual capacity but
solely as Securities Administrator, or any successor in interest, or if any successor Securities
Administrator shall be appointed as herein provided, then such successor Securities Administrator.
Wells Fargo Bank, N.A. shall act as Securities Administrator for so long as it is Master Servicer
under this Agreement.

     Seller: RWT Holdings, Inc., a Delaware corporation.

     Senior Certificate: Any one of the Class 1-A1, Class 1-A2, Class 1-A3, Class 1-XA,
Class 1-XB, Class 1-AR, Class 1-LTR, Class 2A-A1, Class 2B-A1, Class 2-AR or Class 2-LTR
Certificates, as applicable.

     Senior Percentage: With respect to each Distribution Date and each Mortgage Pool, (i)
in the case of Pool 1, the percentage equivalent of a fraction, the numerator of which is the
aggregate of the Class Principal Amounts of the Group 1 Senior Certificates immediately prior to
such Distribution Date, and the denominator of which is the Aggregate Stated Principal Balance of
Pool 1 for such Distribution Date, (ii) in the case of Pool 2A, the percentage equivalent of a
fraction, the numerator of which is the aggregate of the Class Principal Amounts of the Group 2A
Senior Certificates immediately prior to such Distribution Date, and the denominator of which is
the Aggregate Stated Principal Balance of Pool 2A for such Distribution Date and (iii) in the case
of Pool 2B, the percentage equivalent of a fraction, the numerator of which is the aggregate of the
Class Principal Amounts of the Group 2B Senior Certificates immediately prior to such Distribution
Date, and the denominator of which is the Aggregate Stated Principal Balance of Pool 2B for such
Distribution Date.

     Senior Prepayment Percentage: With respect to Pool 1 and any Distribution Date, the
Group 1 Senior Prepayment Percentage for such date; and with respect to Pool 2A and Pool 2B and any
Distribution Date, the Group 2 Senior Prepayment Percentage for such date.

     Senior Principal Distribution Amount: With respect to each Mortgage Pool and any
Distribution Date, the sum of:

     (1) the related Senior Percentage of all amounts described in clause (a) of the
definition of “Principal Distribution Amount” for that Distribution Date;

     (2) with respect to each related Mortgage Loan which became a Liquidated Mortgage Loan
during the related Prepayment Period, the lesser of:

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     (x) the related Senior Prepayment Percentage (i.e., the Group 1 Senior
Prepayment Percentage in the case of a Pool 1 Mortgage Loan and the Group 2 Senior
Prepayment Percentage in the case of a Pool 2A Mortgage Loan or a Pool 2B Mortgage
Loan) of the Stated Principal Balance of that Mortgage Loan, and

     (y) Net Liquidation Proceeds allocable to principal received with respect to
that Mortgage Loan;

     (3) the related Senior Prepayment Percentage of the amounts described in clauses (b),
(c), (d) and (g) of the definition of “Principal Distribution Amount” for that Mortgage
Pool; and

     (4) any amounts described in clauses (1) through (3) that remain unpaid with respect to
the related Senior Certificates from prior Distribution Dates.

     Senior Termination Date: With respect to each of Pool 2A and Pool 2B, the date on
which the aggregate of the Class Principal Amounts of the Senior Certificates related to such
Mortgage Pool is reduced to zero.

     Servicers: Each Servicer under a Servicing Agreement.

     Servicer Advance: A “Servicing Advance” as defined in the applicable Servicing
Agreement.

     Servicer Remittance Date: The 18th day of each calendar month after the initial
issuance of the Certificates or, if such 18th day is not a Business Day, the immediately preceding
Business Day, commencing in June 2007.

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

     Servicing Agreement: Each agreement listed in Exhibit E, as such agreement has been
modified by the related Acknowledgement and as it may be amended or supplemented from time to time
as permitted hereunder.

     Servicing Criteria: The criteria set forth in paragraph (d) of Item 1122 of
Regulation AB, as such may be amended from time to time.

     Servicing Fee: As to any Distribution Date and each Mortgage Loan, an amount equal to
the product of (a) one-twelfth of the Servicing Fee Rate and (b) the Stated Principal Balance of
such Mortgage Loan as of the first day of the related Due Period.

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     Servicing Fee Rate: With respect to each Mortgage Loan and any Distribution Date, the
rate specified in the related Servicing Agreement.

     Servicing Function Participant: Any Subservicer or Subcontractor, other than each
Servicer, the Master Servicer and the Securities Administrator, that is participating in the
servicing function within the meaning of Regulation AB, unless such Person’s activities relate only
to 5% or less of the Mortgage Loans.

     Servicing Officer: Any officer of the Servicers involved in, or responsible for, the
administration and servicing of the Mortgage Loans whose name and facsimile signature appear on a
list of servicing officers furnished to the Master Servicer by the Servicers on the Closing Date
pursuant to the Servicing Agreements, as such list may from time to time be amended.

     Startup Day: The day designated as such pursuant to Section 10.01(b) hereof.

     Stated Principal Balance: As to any Mortgage Loan and Due Date, the unpaid principal
balance of such Mortgage Loan as of such Due Date as specified in the amortization schedule at the
time relating thereto (before any adjustment to such amortization schedule by reason of any
moratorium or similar waiver or grace period) after giving effect to any previous partial Principal
Prepayments and Liquidation Proceeds allocable to principal (other than with respect to any
Liquidated Mortgage Loan) and to the payment of principal due on such Due Date and irrespective of
any delinquency in payment by the related Mortgagor.

     Sub Account: Each of the Class 1-XA Sub Account or the Class 1-XB Sub Account,
constituting the Reserve Fund.

     Subcontractor: Any vendor, subcontractor or other Person that is not responsible for
the overall servicing of Mortgage Loans but performs one or more discrete functions identified in
Item 1122(d) of Regulation AB with respect to Mortgage Loans under the direction or authority of
any Servicer (or a Subservicer of any Servicer), the Master Servicer or the Securities
Administrator.

     Subordinate Certificate: Any of the Class 1-B1, Class 1-B2, Class 1-B3, Class 1-B4,
Class 1-B5, Class 1-B6, Class 2-B1, Class 2-B2, Class 2-B3, Class 2-B4, Class 2-B5 or Class 2-B6
Certificates.

     Subordinate Class Percentage: As to any Distribution Date and any Class of the Group
1 Subordinate Certificates or Group 2 Subordinate Certificates, a fraction, expressed as a
percentage, the numerator of which is the Class Principal Amount of such Class on such date, and
the denominator of which is the aggregate of the Class Principal Amounts of the Group 1 Subordinate
Certificates or Group 2 Subordinate Certificates, respectively, on such date.

     Subordinate Percentage: With respect to each Mortgage Pool and any Distribution Date,
the difference between 100% and the related Senior Percentage for such Mortgage Pool for such
Distribution Date.

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     Subordinate Prepayment Percentage: With respect to Pool 1 and any Distribution Date,
the difference between 100% and the Group 1 Senior Prepayment Percentage for such date; and with
respect to Pool 2A and Pool 2B and any Distribution Date, the difference between 100% and the Group
2 Senior Prepayment Percentage for such date.

     Subordinate Principal Distribution Amount: With respect to any Distribution Date and
each Mortgage Pool, an amount equal to the sum of:

     (1) the related Subordinate Percentage of all amounts described in clause (a)
of the definition of “Principal Distribution Amount” for that Distribution Date;

     (2) with respect to each Mortgage Loan that became a Liquidated Mortgage Loan
during the related Prepayment Period the amount of the Net Liquidation Proceeds
allocated to principal received with respect thereto remaining after application
thereof pursuant to clause (2) of the definition of “Senior Principal Distribution
Amount” for that Distribution Date, up to the related Subordinate Percentage of the
Stated Principal Balance of such Mortgage Loan;

     (3) the related Subordinate Prepayment Percentage of all amounts described in
clauses (b), (c), (d) and (g) of the definition of “Principal Distribution Amount”
for that Mortgage Pool and that Distribution Date; and

     (4) any amounts described in clauses (1) through (3) for any previous
Distribution Date that remain unpaid,

     minus, in the case of Pool 2A and Pool 2B only, the sum of:

     (a) any Principal Transfer Amount paid from the Available Distribution Amount
of such Mortgage Pool to the Undercollateralized Group; and

     (b) the amount of principal distributions made to the Senior Certificates
pursuant to Section 5.02(l).

     Subsequent Recovery: Any amount recovered by a Servicer with respect to a Liquidated
Mortgage Loan (after reimbursement of any unreimbursed Advances or expenses of the Servicer) with
respect to which a Realized Loss was incurred after the liquidation or disposition of such Mortgage
Loan.

     Subservicer: Any Person that (i) services Mortgage Loans on behalf of any Servicer,
and (ii) is responsible for the performance (whether directly or through sub-servicers or
Subcontractors) of Servicing functions required to be performed under this Agreement, any
related Servicing Agreement or any sub-servicing agreement that are identified in Item 1122(d)
of Regulation AB.

     Substitution Amount: As defined in the second paragraph of Section 2.04(b).

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     Tax Matters Person: The “tax matters person” as specified in the REMIC Provisions
which shall initially be the Holder of the Class 1-LTR or Class 2-LTR Certificate, as described
under Section 10.01(l).

     Telerate Page 3750: The display currently so designated as “Page 3750” on the Bridge
Telerate Service (or such other page selected by the Securities Administrator as may replace Page
3750 on that service for the purpose of displaying daily comparable rates on prices).

     Trust Fund: The corpus of the trust created pursuant to this Agreement, consisting of
the Mortgage Loans and all interest and principal received thereon after the Cut-off Date (other
than Scheduled Payments due on or prior to the Cut-off Date), the Depositor’s rights assigned to
the Trustee under the Purchase Agreements and the Servicing Agreements and the Mortgage Loan
Purchase and Sale Agreement, the Insurance Policies relating to the Mortgage Loans, all cash,
instruments or property held or required to be held in the Collection Accounts, the Distribution
Account, property that secured a Mortgage Loan, the pledge, control and guaranty agreements and any
Limited Purpose Surety Bond relating to the Additional Collateral Mortgage Loans and the Reserve
Fund.

     Trustee: HSBC Bank USA, National Association, a national banking association
organized and existing under the laws of the United States of America and any Person succeeding the
Trustee hereunder, or if any successor trustee or any co-trustee shall be appointed as herein
provided, then such successor trustee and such co-trustee, as the case may be.

     Trustee Mortgage Files: With respect to each Mortgage Loan, the Mortgage Documents to
be retained in the custody and possession of the Trustee or the Custodian on behalf of the Trustee,
and any Retained Mortgage File that is delivered to the Custodian or the Trustee pursuant to
Section 2.01(a) of this Agreement.

     UCC: The Uniform Commercial Code as enacted in the relevant jurisdiction.

     Undercollateralized Group: With respect to any Distribution Date, the Group 2A Senior
Certificates shall be the Undercollateralized Group if the aggregate of the Class Principal Amounts
of the Group 2A Senior Certificates is greater than the Aggregate Stated Principal Balance of Pool
2A immediately prior to such Distribution Date, and the Group 2B Senior Certificates shall be an
Undercollateralized Group if the aggregate of the Class Principal Amounts of the Group 2B Senior
Certificates is greater than the Aggregate Stated Principal Balance of Pool 2B immediately prior to
such Distribution Date.

     Underwriters: Merrill Lynch, Pierce, Fenner & Smith Incorporated and Banc of America
Securities LLC.

     Underwriter’s Exemption: Prohibited Transaction Exemption (“PTE”) 90-29 (55 Fed. Reg.
21459 (1990)) and PTE 93-31 (58 Fed. Reg. 28620 (1993)), respectively, as most recently amended and
restated by PTE 2007-5 (72 Fed. Reg. 13130 (March 20, 2007)), or any substantially similar
administrative exemption granted by the U.S. Department of Labor to the Underwriters.

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     Underwriting Agreement: The Underwriting Agreement, dated May 23, 2007, among the
Seller, the Depositor and the Underwriters.

     Uniform Commercial Code: The Uniform Commercial Code as in effect in any applicable
jurisdiction from time to time.

     Upper-Tier REMIC: As described in the Preliminary Statement to this Agreement.

     Voting Interests: The portion of the voting rights of all the Certificates that is
allocated to any Certificate for purposes of the voting provisions of this Agreement. At all times
during the term of this Agreement, 96.00% of all Voting Interests shall be allocated to the Class
1-A1, Class 1-A2, Class 1-A3, Class 2A-A1, Class 2B-A1, Class 1-B1, Class 1-B2, Class 1-B3, Class
1-B4, Class 1-B5, Class 1-B6, Class 2-B1, Class 2-B2, Class 2-B3, Class 2-B4, Class 2-B5 and Class
2-B6 Certificates. Voting Interests shall be allocated among such Certificates based on the
product of (i) 96.00% and (ii) the fraction, expressed as a percentage, the numerator of which is
the aggregate of the Class Principal Amounts for all Classes then outstanding and the denominator
of which is the sum of the then-outstanding Aggregate Stated Principal Balances of all Mortgage
Pools. At all times during the term of this Agreement, 4.00% of all Voting Interests shall be
allocated to each of the Class 1-AR, Class 1-XA, Class 1-XB and Class 2-AR, Certificates. Voting
Interests shall be allocated among such Certificates based on the product of (i) 1% and (ii) the
fraction, expressed as a percentage, the numerator of which is the aggregate of the Class Principal
Amounts of all Classes then outstanding and the denominator of which is the then-outstanding sum of
the Aggregate Stated Principal Balances of all Mortgage Pools. The Class 1-LTR and Class 2-LTR
Certificates shall not have any voting rights.

     Section 1.02 Calculations Respecting Mortgage Loans.

     Calculations required to be made pursuant to this Agreement with respect to any Mortgage Loan
in the Trust Fund shall be made based upon current information as to the terms of the Mortgage
Loans and reports of payments received from the Mortgagor on such Mortgage Loans and payments to be
made to the Securities Administrator as supplied to the Securities Administrator by the Master
Servicer. The Securities Administrator shall not be required to recompute, verify or recalculate
the information supplied to it by the Master Servicer or any Servicer.

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ARTICLE II

DECLARATION OF TRUST;

ISSUANCE OF CERTIFICATES

     Section 2.01 Creation and Declaration of Trust Fund; Conveyance of Mortgage Loans.

     (a) Concurrently with the execution and delivery of this Agreement, the Depositor does hereby
transfer, assign, set over, deposit with and otherwise convey to the Trustee, without recourse,
subject to Sections 2.02 and 2.04, in trust, all the right, title and interest of the Depositor in
and to the Trust Fund. Such conveyance includes, without limitation, (i) the Mortgage Loans,
including the right to all payments of principal and interest received on or with respect to the
Mortgage Loans after the Cut-off Date (other than Scheduled Payments due on or before such date),
and all such payments due after such date but received on or prior to such date and intended by the
related Mortgagors to be applied after such date; (ii) all of the Depositor’s right, title and
interest in and to all amounts from time to time credited to and the proceeds of the Distribution
Account, any Collection Accounts or any Escrow Account established with respect to the Mortgage
Loans; (iii) with respect to the Mortgage Loans, to the extent set forth in the related
Acknowledgements, the Depositor’s rights under the Purchase Agreements and the Servicing Agreements
and all of the Depositor’s rights under Mortgage Loan Purchase and Sale Agreement; (iv) all of the
Depositor’s right, title or interest in REO Property and the proceeds thereof; (v) all of the
Depositor’s rights under any Insurance Policies related to the Mortgage Loans; and (vi) the
Depositor’s security interest in any collateral pledged to secure the Mortgage Loans, including the
Mortgaged Properties and any Additional Collateral relating to the Additional Collateral Mortgage
Loans, including, but not limited to, the pledge, control and guaranty agreements and any related
Limited Purpose Surety Bond to have and to hold, in trust; and the Trustee declares that, subject
to the review provided for in Section 2.02, it has received and shall hold the Trust Fund, as
trustee, in trust, for the benefit and use of the Holders of the Certificates and for the purposes
and subject to the terms and conditions set forth in this Agreement, and, concurrently with such
receipt, has caused to be executed, authenticated and delivered to or upon the order of the
Depositor, in exchange for the Trust Fund, Certificates in the authorized denominations evidencing
the entire ownership of the Trust Fund.

     The foregoing sale, transfer, assignment, set-over, deposit and conveyance does not and is not
intended to result in the creation or assumption by the Trustee of any obligation of the Depositor,
the Seller or any other Person in connection with the Mortgage Loans or any other agreement or
instrument relating thereto except as specifically set forth therein.

     Notwithstanding anything to the contrary contained herein, the parties hereto acknowledge that
the functions of the Trustee with respect to the custody, acceptance, inspection and release of
Mortgage Files, including but not limited to certain insurance policies and
documents contemplated by this Agreement, and preparation and delivery of the certifications

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shall be performed by the Custodian pursuant to the terms and conditions of the Custody Agreement.

     In connection with such transfer and assignment of the Mortgage Loans, the Depositor does
hereby deliver to, and deposit with, or cause to be delivered to and deposited with, the Custodian
acting on the Trustee’s behalf, the following documents or instruments with respect to each related
Mortgage Loan (each, a “Trustee Mortgage File”) so transferred and assigned:

     (i) with respect to each Mortgage Loan, the original Mortgage Note endorsed without
recourse in proper form to the order of the Trustee, or in blank (in each case, with all
necessary intervening endorsements, as applicable); provided that any such endorsement may
be stamped or generated electronically, if acceptable under all applicable laws and
regulations and the endorsing entity had adopted appropriate authorizing resolutions prior
to such stamped or electronic endorsement.

     (ii) with respect to each Mortgage Loan (other than a Cooperative Loan), the original
mortgage, deed of trust or other instrument creating a first lien on the underlying property
securing the Mortgage Loan and bearing evidence that such instrument has been recorded in
the appropriate jurisdiction where the Mortgaged Property is located (or, in lieu of the
original of the Mortgage, a true copy of the Mortgage certified by the originator, or a
duplicate or conformed copy of the Mortgage, together with a certificate of either the
closing attorney or an officer of the title insurer that issued the related title insurance
policy, certifying that such copy represents a true and correct copy of the original and
that such original has been or is currently submitted to be recorded in the appropriate
governmental recording office of the jurisdiction where the Mortgaged Property is located);

     (iii) with respect to each Mortgage Loan (other than a Cooperative Loan), the
Assignment of Mortgage in form and substance acceptable for recording in the relevant
jurisdiction, such assignment being either (A) in blank, without recourse, or (B) or
endorsed to “HSBC Bank USA, National Association, as Trustee of the Sequoia Mortgage Trust
2007-2, Mortgage Pass-Through Certificates, without recourse;” provided, that if the
Mortgage Loan is a MERS Designated Mortgage Loan, no Assignment of Mortgage shall be
required;

     (iv) with respect to each Mortgage Loan (other than a Cooperative Loan), the originals
or certified copies of all Intervening Assignments of the Mortgage, if any, with evidence of
recording thereon, showing a complete chain of title to the last endorsee, including any
warehousing assignment;

     (v) with respect to each Mortgage Loan (other than a Cooperative Loan), any assumption,
modification, written assurance, substitution, consolidation, extension or guaranty
agreement, if applicable;

     (vi) with respect to each Mortgage Loan (other than a Cooperative Loan), the original
policy of title insurance (or a true copy thereof) with respect to any such

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Mortgage Loan,
or, if such policy has not yet been delivered by the insurer, the title commitment or title
binder to issue same;

     (vii) if the Mortgage Note or Mortgage or any other material document or instrument
relating to the Mortgage Loan has been signed by a person on behalf of the Mortgagor, the
original power of attorney or other instrument that authorized and empowered such person to
sign bearing evidence that such instrument has been recorded, if so required, in the
appropriate jurisdiction where the Mortgaged Property is located (or, in lieu thereof, a
duplicate or conformed copy of such instrument, together with a certificate of receipt from
the recording office, certifying that such copy represents a true and complete copy of the
original and that such original has been or is currently submitted to be recorded in the
appropriate governmental recording office of the jurisdiction where the Mortgaged Property
is located); and

     (viii) with respect to each Mortgage Loan which constitutes a Cooperative Mortgage
Loan:

     (a) the original loan and security agreement;

     (b) the original Cooperative Shares;

     (c) a stock power executed in blank by the person in whose name the Cooperative
Shares are issued;

     (d) the Proprietary Lease or occupancy agreement accompanied by an assignment
in blank of such proprietary lease;

     (e) the recognition agreement executed by the Cooperative Corporation, which
requires the Cooperative Corporation to recognize the rights of the lender and its
successors in interest and assigns, under the cooperative;

     (f) UCC1 financing statements with recording information thereon from the
appropriate governmental recording offices if necessary to perfect the security
interest of the Cooperative Mortgage Loan under the Uniform Commercial Code in the
jurisdiction in which the cooperative project is located, accompanied by UCC3
financing statements executed in blank for recordation of the change in the secured
party thereunder;

     (g) the original policy of title insurance or with respect to any such
Cooperative Mortgage Loan, if such policy has not yet been delivered by the insurer,
the title commitment or title binder to issue same; and

     (h) Any guarantees, if applicable.

     Notwithstanding the foregoing, with respect to Mortgage Loans serviced by Wells Fargo Bank,
N.A., such Servicer shall hold the Retained Mortgage Files in trust for the benefit of the Trustee
pursuant to the related Servicing Agreement. The possession of each Retained Mortgage

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File held by
such Servicer is in a custodial capacity only. Within 60 days of the occurrence of a Document
Transfer Event, such Servicer shall, pursuant to the related Servicing Agreement, deliver or cause
to be delivered to and deposited with the Trustee or to the corporate trust services division of
the Custodian the Retained Mortgage Files consisting of the following additional items, as
applicable: (i) the original mortgage with evidence of recording indicated thereon (or, if such
original recorded mortgage has not yet been returned by the recording office, a copy thereof
certified to be a true and complete copy of such mortgage sent for recording) and (ii) the policies
of title insurance issued with respect to each applicable Mortgage Loan.

     (b) The Depositor shall cause Assignments of Mortgage with respect to each Mortgage Loan other
than a Cooperative Mortgage Loan to be completed in the form specified in Section 2.01(a)(iii)
above within 30 days of the Closing Date for purpose of their recording; provided, however, that
such Assignments of Mortgage need not be recorded if, on or prior to the Closing Date, the
Depositor delivers, at its own expense, an Opinion of Counsel (which must be Independent counsel)
acceptable to the Trustee, the Securities Administrator and the Rating Agencies, to the effect that
recording in such states is not required to protect the Trustee’s interest in the related Mortgage
Loans. Subject to the preceding sentence, as soon as practicable after the Closing Date (but in no
event more than 270 days thereafter except to the extent delays are caused by the applicable
recording office), the Depositor at its own expense and with the cooperation of the applicable
Servicer, shall cause to be properly recorded by each Servicer in each public recording office
where the related Mortgages are recorded each Assignment of Mortgage endorsed in the form described
in Section 2.01(a)(iii) above with respect to each such Mortgage Loan.

     (c) In instances where a title insurance policy is required to be delivered to the Trustee or
the Custodian on behalf of the Trustee under Sections 2.01(a)(vi) or 2.01(a)(viii)(g) above and is
not so delivered, the Depositor will provide a copy of such title insurance policy to the Trustee,
or to the Custodian on behalf of the Trustee, as promptly as practicable after the execution and
delivery hereof, but in any case within 180 days of the Closing Date.

     (d) For Mortgage Loans (if any) that have been prepaid in full after the Cut-off Date and
prior to the Closing Date, the Depositor, in lieu of delivering the above documents, herewith
delivers to the Trustee, or to the Custodian on behalf of the Trustee, an Officer’s Certificate
which shall include a statement to the effect that all amounts received in connection with such
prepayment that are required to be deposited in the Distribution Account pursuant to Section 4.01
have been so deposited. All original documents that are not delivered to the Trustee or the
Custodian on behalf of the Trustee shall be held by the Master Servicer or the applicable Servicer
in trust for the benefit of the Trustee and the Certificateholders.

     Section 2.02 Acceptance of Trust Fund by Trustee; Review of Documentation for Trust Fund.

     (a) The Trustee, by execution and delivery hereof, acknowledges receipt by it or by the
Custodian on its behalf of the Trustee Mortgage Files pertaining to the Mortgage Loans listed on
the Mortgage Loan Schedule, subject to review thereof by the Custodian on behalf of the Trustee in
accordance with Section 4(a) of the Custody Agreement (a form of which is attached hereto as

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Exhibit D). The Custodian on behalf of the Trustee, will execute and deliver to the Trustee and
the Depositor an Initial Trust Receipt and Schedule of Exceptions, on the Closing Date in the forms
required by the Custody Agreement.

     (b) Within 270 days after the Closing Date, the Custodian on behalf of the Trustee, will, for
the benefit of Holders of the Certificates, review each related Trustee Mortgage File to ascertain
that all required documents set forth in Section 2.01 have been received and appear on their face
to conform with the requirements set forth in Section 4A and 4B of the Custody Agreement.

     (c) Nothing in this Agreement shall be construed to constitute an assumption by the Trust
Fund, the Trustee, the Custodian or the Certificateholders of any unsatisfied duty, claim or other
liability on any Mortgage Loan or to any Mortgagor.

     (d) Each of the parties hereto acknowledges that the Custodian shall perform the applicable
review of the related Mortgage Loans and respective certifications as provided in the Custody
Agreement.

     (e) Upon execution of this Agreement, the Depositor hereby delivers to the Trustee and the
Trustee acknowledges receipt of the Acknowledgements, together with the related Purchase
Agreements, Servicing Agreements and the Mortgage Loan Purchase and Sale Agreement.

     Section 2.03 Representations and Warranties of the Depositor.

     (a) The Depositor hereby represents and warrants to the Trustee, for the benefit of the
Certificateholders, and to the Master Servicer and the Securities Administrator as of the Closing
Date or such other date as is specified, that:

     (i) the Depositor is a corporation duly organized, validly existing and in good
standing under the laws governing its creation and existence and has full corporate power
and authority to own its property, to carry on its business as presently conducted, to enter
into and perform its obligations under this Agreement, and to create the trust pursuant
hereto;

     (ii) 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; 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 certificate of incorporation or bylaws of the Depositor;

     (iii) 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

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agency, except
such as has been obtained, given, effected or taken prior to the date hereof;

     (iv) this Agreement has been duly executed and delivered by the Depositor and, assuming
due authorization, execution and delivery by the Trustee, the Master Servicer and the
Securities Administrator, constitutes a valid and binding obligation of the Depositor
enforceable against it in accordance with its terms except as such enforceability may be
subject to (A) applicable bankruptcy and insolvency laws and other similar laws affecting
the enforcement of the rights of creditors generally and (B) general principles of equity
regardless of whether such enforcement is considered in a proceeding in equity or at law;

     (v) there are no actions, suits or proceedings pending or, to the knowledge of the
Depositor, threatened or likely to be asserted against or affecting the Depositor, before or
by any court, administrative agency, arbitrator or governmental body (A) with respect to any
of the transactions contemplated by this Agreement or (B) 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 it or its
business, assets, operations or condition, financial or otherwise, or adversely affect its
ability to perform its obligations under this Agreement;

     (vi) immediately prior to the transfer and assignment of the Mortgage Loans to the
Trustee, the Depositor was the sole owner of record and holder of each Mortgage Loan, and
the Depositor had good and marketable title thereto, and had full right to transfer and sell
each Mortgage Loan to the Trustee free and clear, subject only to (1) liens of current real
property taxes and assessments not yet due and payable and, if the related Mortgaged
Property is a condominium unit, any lien for common charges permitted by statute, (2)
covenants, conditions and restrictions, rights of way, easements and other matters of public
record as of the date of recording of such Mortgage acceptable to mortgage lending
institutions in the area in which the related Mortgaged Property is located and specifically
referred to in the lender’s title insurance policy or attorney’s opinion of title and
abstract of title delivered to the originator of such Mortgage Loan, and (3) such other
matters to which like properties are commonly subject which do not, individually or in the
aggregate, materially interfere with the benefits of the security intended to be provided by
the Mortgage, of any encumbrance, equity, participation interest, lien, pledge, charge,
claim or security interest, and had full right and authority, subject to no interest or
participation of, or agreement with, any other party, to sell and assign each Mortgage Loan
pursuant to this Agreement;

     (vii) This Agreement creates a valid and continuing security interest (as defined in
the applicable Uniform Commercial Code (the “UCC”), in the Mortgage Loans in favor of the
Trustee, which security interest is prior to all other liens, and is enforceable as such
against creditors of and purchasers from the Depositor;

     (viii) The Mortgage Loans constitute “instruments” within the meaning of the applicable
UCC;

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     (ix) Other than the security interest granted to the Trustee pursuant to this
Agreement, the Depositor has not pledged, assigned, sold, granted a security interest in, or
otherwise conveyed any of the Mortgage Loans. The Depositor has not authorized the filing
of and is not aware of any financing statement against the Depositor that includes a
description of the collateral covering the Mortgage Loans other than a financing statement
relating to the security interest granted to the Trustee hereunder or that has been
terminated. The Depositor is not aware of any judgment or tax lien filings against the
Depositor;

     (x) None of the Mortgage Loans have any marks or notations indicating that such
Mortgage Loans have been pledged, assigned or otherwise conveyed to any Person other than
the Trustee; and

     (xi) The Depositor has received all consents and approvals required by the terms of the
Mortgage Loans to convey the Mortgage Loans hereunder to the Trustee.

     The foregoing representations made in this Section 2.03 shall survive the termination of this
Agreement and shall not be waived by any party hereto.

     Section 2.04 Discovery of Breach; Repurchase or Substitution of Mortgage Loans.

     (a) Pursuant to Sections 2(b) and 2(d) of the Mortgage Loan Purchase and Sale Agreement, the
Seller has made certain representations and warranties as to the characteristics of the Mortgage
Loans as of the Closing Date, including representations and warranties that no Mortgage Loan is a
“high-cost home loan” as defined under any local, state, or federal laws, and each of the Depositor
and the Trustee intend that the Mortgage Loans (including any Replacement Mortgage Loans) included
in the Trust Fund satisfy such representations and warranties. The Depositor, for the benefit of
the Trustee and the Certificateholders hereby assigns any such rights against the Seller to the
Trustee and the Seller acknowledges that it has agreed to comply with the provisions of this
Section 2.04 in respect of a breach of any of such representations and warranties.

     It is understood and agreed that such representations and warranties set forth in Section 2(b)
and 2(d) of the Mortgage Loan Purchase and Sale Agreement shall survive delivery of the Trustee
Mortgage Files and the Assignment of Mortgage of each Mortgage Loan to the Trustee and shall
continue throughout the term of this Agreement. Upon (i) discovery or receipt by the Depositor of
written notice of any materially defective document in a related Trustee Mortgage
File or, following the date of delivery to the Trustee of the Custodian’s Final Trust Receipt
as required under the Custody Agreement, that a document is missing from a related Trustee Mortgage
File, or (ii) discovery by the Depositor or the Seller of the breach by the Seller of any
representation or warranty under the Mortgage Loan Purchase and Sale Agreement in respect of any
Mortgage Loan, which materially adversely affects the value of that Mortgage Loan or the interest
therein of the Certificateholders (a “Defective Mortgage Loan”) (each of such parties hereby
agreeing to give written notice thereof to the Trustee and the other of such parties), the Trustee,
or its designee, shall promptly notify the Depositor in writing of such defective or missing
document or breach and request that the Depositor deliver such missing document or

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cure or cause
the cure of such defect or breach within 90 days from the date that the Depositor discovered or was
notified of such missing document, defect or breach, and if the Depositor does not deliver such
missing document or cure such defect or breach in all material respects during such period, the
Trustee shall enforce the Seller’s obligation under the Mortgage Loan Purchase and Sale Agreement
and cause the Seller to repurchase that Mortgage Loan from the Trust Fund at the Purchase Price on
or prior to the Determination Date following the expiration of such 90-day period (subject to
Section 2.04(b) below); provided, however, that, in connection with any such breach that could not
reasonably have been cured within such 90-day period, if the Seller shall have commenced to cure
such breach within such 90-day period, the Seller shall be permitted to proceed thereafter
diligently and expeditiously to cure the same within an additional 90-day period. The Purchase
Price for the repurchased Mortgage Loan shall be deposited in the related Distribution Account, and
the Trustee, or its designee, upon receipt of written certification from the Securities
Administrator of such deposit, shall release to the Seller, the related Trustee Mortgage File and
shall execute and deliver such instruments of transfer or assignment, in each case without
recourse, representation or warranties, as either party shall furnish to it and as shall be
necessary to vest in such party any Mortgage Loan released pursuant hereto and the Trustee, or its
designee, shall have no further responsibility with regard to such Trustee Mortgage File (it being
understood that the Trustee shall have no responsibility for determining the sufficiency of such
assignment for its intended purpose). In lieu of repurchasing any such Mortgage Loan as provided
above, either party may cause such Mortgage Loan to be removed from the Trust Fund (in which case
it shall become a Deleted Mortgage Loan) and substitute one or more Replacement Mortgage Loans in
the manner and subject to the limitations set forth in Section 2.04(b) below. It is understood and
agreed that the obligation of the Seller to cure or to repurchase (or to substitute for) any
Mortgage Loan as to which a document is missing, a material defect in a constituent document exists
or as to which such a breach has occurred and is continuing shall constitute the sole remedy
against the such party respecting such omission, defect or breach available to the Trustee on
behalf of the Certificateholders.

     (b) Any substitution of Replacement Mortgage Loans for Deleted Mortgage Loans made pursuant to
Section 2.04(a) above must be effected prior to the last Business Day that is within two years
after the Closing Date. As to any Deleted Mortgage Loan for which the Seller substitutes a
Replacement Mortgage Loan or Loans, such substitution shall be effected by delivering to the
Custodian, on behalf of the Trustee, for such Replacement Mortgage Loan or Loans, the related
Mortgage Note, the related Mortgage, the related Assignment of Mortgage to the Trustee, and such
other documents and agreements, with all necessary endorsements thereon, together with an Officers’
Certificate stating that each such Replacement Mortgage Loan satisfies the definition thereof and
specifying the Substitution Amount (as described below), if
any, in connection with such substitution. The Custodian shall acknowledge receipt for such
Replacement Mortgage Loan and, within 45 days thereafter, shall review such Mortgage Documents as
specified in the Custody Agreement and deliver to the Trustee and the Depositor, with respect to
such Replacement Mortgage Loans, a certification substantially in the form of a revised Trust
Receipt, with any exceptions noted thereon. Within one year of the date of substitution, the
Custodian shall deliver to the Trustee and the Depositor a certification substantially in the form
of a revised Final Trust Receipt, with respect to such Replacement Mortgage Loans, with any
exceptions noted thereon. Monthly Payments due with respect to Replacement Mortgage Loans in the
month of substitution shall not be included as part of the

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Trust Fund and shall be retained by the
Seller. For the month of substitution, distributions to the Certificateholders shall reflect the
collections and recoveries in respect of such Deleted Mortgage in the Due Period preceding the
month of substitution and the Seller shall thereafter be entitled to retain all amounts
subsequently received in respect of such Deleted Mortgage Loan. Upon such substitution, such
Replacement Mortgage Loan shall constitute part of the Trust Fund and shall be subject in all
respects to the terms of this Agreement and the Mortgage Loan Purchase and Sale Agreement,
including all representations and warranties thereof included in the Mortgage Loan Purchase and
Sale Agreement, in each case as of the date of substitution.

     For any month in which the Seller substitutes one or more Replacement Mortgage Loans for one
or more Deleted Mortgage Loans, the related Servicer shall determine the excess (each, a
“Substitution Amount”), if any, by which the aggregate Purchase Price of all such Deleted Mortgage
Loans exceeds the aggregate Stated Principal Balance of the Replacement Mortgage Loans replacing
such Deleted Mortgage Loans, together with one month’s interest on such excess amount at the
applicable Net Mortgage Rate. On the date of such substitution, the Seller, as applicable, shall
deliver or cause to be delivered to the Servicer for deposit in the Collection Account an amount
equal to the related Substitution Amount, if any, and the Custodian, on behalf of the Trustee, upon
receipt of the related Replacement Mortgage Loan or Loans and certification by the Servicer of such
deposit, shall release to the Seller the related Trustee Mortgage File or Files and shall execute
and deliver such instruments of transfer or assignment, in each case without recourse, as the
Seller shall deliver to it and as shall be necessary to vest therein any Deleted Mortgage Loan
released pursuant hereto.

     In addition, the Seller shall obtain at its own expense and deliver to the Trustee and the
Securities Administrator an Opinion of Counsel to the effect that such substitution (either
specifically or as a class of transactions) shall not cause an Adverse REMIC Event. If such
Opinion of Counsel can not be delivered, then such substitution may only be effected at such time
as the required Opinion of Counsel can be given.

     (c) Upon discovery by the Seller, the Depositor or the Trustee that any Mortgage Loan does not
constitute a “qualified mortgage” within the meaning of Section 860G(a)(3) of the Code, the party
discovering such fact shall within two Business Days give written notice thereof to the other
parties. In connection therewith, the applicable party shall repurchase or, subject to the
limitations set forth in Section 2.04(b), substitute one or more Replacement Mortgage Loans for the
affected Mortgage Loan within 90 days of the earlier of discovery or receipt of such notice with
respect to such affected Mortgage Loan. Any such repurchase or substitution shall be made in the
same manner as set forth in Section 2.04(a) above. The Trustee shall re-convey
to the Seller the Mortgage Loan to be released pursuant hereto in the same manner, and on the
same terms and conditions, as it would a Mortgage Loan repurchased for breach of a representation
or warranty.

     (d) The Seller indemnifies and holds the Trust Fund, the Master Servicer, the Securities
Administrator, the Trustee, the Depositor and each Certificateholder harmless against any and all
taxes, claims, losses, penalties, fines, forfeitures, reasonable legal fees and related costs,
judgments, and any other costs, fees and expenses that the Trust Fund, the Trustee, the Master
Servicer, the Securities Administrator, the Depositor and any Certificateholder may sustain in

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connection with any actions of such party relating to a repurchase of a Mortgage Loan other than in
compliance with the terms of this Section 2.04 and the Mortgage Loan Purchase and Sale Agreement,
to the extent that any such action causes an Adverse REMIC Event.

     Section 2.05 [Reserved.]

     Section 2.06 Grant Clause.

     (a) It is intended that the conveyance of the Depositor’s right, title and interest in and to
property constituting the Trust Fund pursuant to this Agreement shall constitute, and shall be
construed as, a sale of such property and not a grant of a security interest to secure a loan.
However, if such conveyance is deemed to be in respect of a loan, it is intended that: (1) the
rights and obligations of the parties shall be established pursuant to the terms of this Agreement;
(2) the Depositor hereby grants to the Trustee for the benefit of the Holders of the Certificates a
first priority security interest in all of the Depositor’s right, title and interest in, to and
under, whether now owned or hereafter acquired, the Trust Fund and all proceeds of any and all
property constituting the Trust Fund to secure payment of the Certificates; and (3) this Agreement
shall constitute a security agreement under applicable law. If such conveyance is deemed to be in
respect of a loan and the trust created by this Agreement terminates prior to the satisfaction of
the claims of any Person holding any Certificate, the security interest created hereby shall
continue in full force and effect and the Trustee shall be deemed to be the collateral agent for
the benefit of such Person, and all proceeds shall be distributed as herein provided.

     (b) The Depositor shall, to the extent consistent with this Agreement, take such reasonable
actions as may be necessary to ensure that, if this Agreement were deemed to create a security
interest in the Mortgage Loans and the other property described above, such security interest would
be deemed to be a perfected security interest of first priority under applicable law and will be
maintained as such throughout the term of this Agreement. The Depositor will, at its own expense,
make all initial filings on or about the Closing Date and shall forward a copy of such filing or
filings to the Trustee. Without limiting the generality of the foregoing, the Depositor shall
prepare and forward for filing, or shall cause to be forwarded for filing, at the expense of the
Depositor, all filings necessary to maintain the effectiveness of any original filings necessary
under the relevant UCC to perfect the Trustee’s security interest in or lien on the Mortgage Loans,
including without limitation (x) continuation statements, and (y) such other statements as may be
occasioned by (1) any change of name of the Seller, the Depositor or the Trustee, (2) any change of
location of the place of business or the chief executive office of the Seller or the Depositor, (3)
any transfer of any interest of the Seller or the Depositor in any
Mortgage Loan or (4) any change under the relevant UCC or other applicable laws. Neither of
the Seller nor the Depositor shall organize under the law of any jurisdiction other than the State
under which each is organized as of the Closing Date (whether changing its jurisdiction of
organization or organizing under an additional jurisdiction) without giving 30 days prior written
notice of such action to its immediate and intermediate transferee, including the Trustee. Before
effecting such change, the Seller or the Depositor proposing to change its jurisdiction of
organization shall prepare and file in the appropriate filing office any financing statements or
other statements necessary to continue the perfection of the interests of its immediate and mediate
transferees, including the Trustee, in the Mortgage Loans. In connection with the

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transactions
contemplated by this Agreement, each of the Seller and the Depositor authorizes its immediate or
mediate transferee to file in any filing office any initial financing statements, any amendments to
financing statements, any continuation statements, or any other statements or filings described in
this paragraph (b).

     On or before March 1 of each calendar year, beginning in 2008, the Depositor shall furnish to
the Trustee and the Securities Administrator an Opinion of Counsel either stating that, in the
opinion of such counsel, such action has been taken with respect to any filings necessary to
maintain the effectiveness of any original filings necessary under the relevant UCC to perfect the
Trustee’s security interest in or lien on the Mortgage Loans, or stating that, in the opinion of
such counsel, no such action is necessary to maintain such lien and security interest. Such
Opinion of Counsel shall also describe the execution and filing of any financing statements and
continuation statements that will, in the opinion of such counsel, be required to maintain such
lien and security interest until March 1 in the following calendar year.

ARTICLE III

THE CERTIFICATES

     Section 3.01 The Certificates.

     (a) The Certificates shall be issuable in registered form only and shall be securities
governed by Article 8 of the New York Uniform Commercial Code. The Certificates will be evidenced
by one or more certificates, beneficial ownership of which will be held in the minimum
denominations in Certificate Principal Amount or Notional Amount specified in the Preliminary
Statement to this Agreement and in integral multiples of $1 in excess thereof, or in the Percentage
Interests specified in the Preliminary Statement to this Agreement, as applicable.

     (b) The Certificates shall be executed by manual or facsimile signature on behalf of the
Trustee by an authorized officer. Each Certificate shall, on original issue, be authenticated by
the Authenticating Agent upon the order of the Depositor upon receipt by the Trustee or its
Custodian of the Trustee Mortgage Files described in Section 2.01. No Certificate shall be
entitled to any benefit under this Agreement, or be valid for any purpose, unless there appears on
such Certificate a certificate of authentication substantially in the form provided for herein,
executed by an authorized officer of the Authenticating Agent, by manual signature, and such
certification upon any Certificate shall be conclusive evidence, and the only evidence, that such
Certificate has been duly authenticated and delivered hereunder. All Certificates shall be
dated the date of their authentication. At any time and from time to time after the execution and
delivery of this Agreement, the Depositor may deliver Certificates executed by the Trustee to the
Authenticating Agent for authentication and the Authenticating Agent shall authenticate and deliver
such Certificates as in this Agreement provided and not otherwise.

     (c) The Class 1-B4, Class 1-B5, Class 1-B6, Class 1-LTR, Class 2-B4, Class 2-B5 and Class 2-B6
Certificates offered and sold in reliance on the exemption from registration under Rule 144A under
the Securities Act shall be issued initially in definitive, fully registered form

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without interest
coupons with the applicable legends set forth in Exhibit A added to the forms of such Certificates
(each, a “Restricted Global Security”).

     Section 3.02 Registration.

     The Securities Administrator is hereby appointed, and the Securities Administrator hereby
accepts its appointment as, initial Certificate Registrar in respect of the Certificates and shall
maintain books for the registration and for the transfer of Certificates (the “Certificate
Register”). The Trustee may appoint a bank or trust company to act as successor Certificate
Registrar. A registration book shall be maintained for the Certificates collectively. The
Certificate Registrar may resign or be discharged or removed and a new successor may be appointed
in accordance with the procedures and requirements set forth in Sections 6.06 and 6.07 hereof with
respect to the resignation, discharge or removal of the Securities Administrator and the
appointment of a successor Securities Administrator. The Certificate Registrar may appoint, by a
written instrument delivered to the Holders and the Master Servicer, any bank or trust company to
act as co-registrar under such conditions as the Certificate Registrar may prescribe; provided,
however, that the Certificate Registrar shall not be relieved of any of its duties or
responsibilities hereunder by reason of such appointment.

     Section 3.03 Transfer and Exchange of Certificates.

     (a) A Certificate (other than Book-Entry Certificates which shall be subject to Section 3.09
hereof) may be transferred by the Holder thereof only upon presentation and surrender of such
Certificate at the office of the Certificate Registrar duly endorsed or accompanied by an
assignment duly executed by such Holder or his duly authorized attorney in such form as shall be
satisfactory to the Certificate Registrar. Upon the transfer of any Certificate in accordance with
the preceding sentence, the Trustee shall execute, and the Authenticating Agent shall authenticate
and deliver to the transferee, one or more new Certificates of the same Class and evidencing, in
the aggregate, the same aggregate Certificate Principal Amount (or Notional Amount) as the
Certificate being transferred. No service charge shall be made to a Certificateholder for any
registration of transfer of Certificates, but the Certificate Registrar may require payment of a
sum sufficient to cover any tax or governmental charge that may be imposed in connection with any
registration of transfer of Certificates.

     (b) A Certificate may be exchanged by the Holder thereof for any number of new Certificates of
the same Class, in authorized denominations, representing in the aggregate the
same Certificate Principal Amount (or Notional Amount) as the Certificate surrendered, upon
surrender of the Certificate to be exchanged at the office of the Certificate Registrar duly
endorsed or accompanied by a written instrument of transfer duly executed by such Holder or his
duly authorized attorney in such form as is satisfactory to the Certificate Registrar.
Certificates delivered upon any such exchange will evidence the same obligations, and will be
entitled to the same rights and privileges, as the Certificates surrendered. No service charge
shall be made to a Certificateholder for any exchange of Certificates, but the Certificate
Registrar may require payment of a sum sufficient to cover any tax or governmental charge that may
be imposed in connection with any exchange of Certificates. Whenever any Certificates are so
surrendered for

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exchange, the Trustee shall execute, and the Authenticating Agent shall
authenticate, date and deliver the Certificates which the Certificateholder making the exchange is
entitled to receive.

     (c) By acceptance of a Restricted Certificate, whether upon original issuance or subsequent
transfer, each Holder of such a Certificate acknowledges the restrictions on the transfer of such
Certificate set forth thereon and agrees that it will transfer such a Certificate only as provided
herein.

     The following restrictions shall apply with respect to the transfer and registration of
transfer of a Restricted Certificate to a transferee that takes delivery in the form of a
Definitive Certificate:

     (i) The Certificate Registrar shall register the transfer of a Restricted Certificate
if the requested transfer is (x) to the Depositor or an affiliate (as defined in Rule 405
under the Securities Act) of the Depositor or (y) being made to a “qualified institutional
buyer” (a “QIB”) as defined in Rule 144A under the Securities Act by a transferor that has
provided the Certificate Registrar with a certificate in the form of Exhibit H hereto; and

     (ii) The Certificate Registrar shall register the transfer of a Restricted Certificate
if the requested transfer is being made to an “accredited investor” under Rule 501(a)(1),
(2), (3) or (7) under the Securities Act, or to any Person all of the equity owners in which
are such accredited investors, by a transferor who furnishes to the Certificate Registrar a
letter of the transferee substantially in the form of Exhibit I hereto.

     (d) The Certificate Registrar shall not register the transfer of any Class 1-LTR Certificate
to RWT Holdings, Inc., Sequoia Residential Funding, Inc., Redwood Mortgage Funding, Inc., Redwood
Trust, Inc. (each a “Restricted Holder”) or any successor in interest thereto.

     (e) No transfer of an ERISA-Restricted Certificate in the form of a Definitive Certificate
shall be made to any Person or shall be effective unless the Certificate Registrar, on behalf of
the Trustee, has received (A) a certificate substantially in the form of Exhibit J hereto (or
Exhibit B, in the case of a Residual Certificate) from such transferee or (B) an Opinion of Counsel
satisfactory to the Certificate Registrar to the effect that the purchase and holding of such a
Certificate will not constitute or result in prohibited transactions under Title I of ERISA or
Section 4975 of the Code and will not subject the Certificate Registrar, the Trustee, the Master
Servicer, the Depositor or the Securities Administrator to any obligation in addition to those
undertaken in this Agreement; provided, however, that the Certificate Registrar will not
require such certificate or opinion in the event that, as a result of a change of law or otherwise,
counsel satisfactory to the Certificate Registrar has rendered an opinion to the effect that the
purchase and holding of an ERISA-Restricted Certificate by a Plan or a Person that is purchasing or
holding such a Certificate with the assets of a Plan will not constitute or result in a prohibited
transaction under Title I of ERISA or Section 4975 of the Code. Each Transferee of an
ERISA-Restricted Certificate that is a Book-Entry Certificate shall be deemed to have made the
representations set forth in Exhibit J. The preparation and delivery of the certificate and
opinions

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referred to above shall not be an expense of the Trust Fund, the Certificate Registrar,
the Trustee, the Master Servicer, the Depositor or the Securities Administrator.

     Notwithstanding the foregoing, no opinion or certificate shall be required for the initial
issuance of the ERISA-Restricted Certificates. The Certificate Registrar shall have no obligation
to monitor transfers of Book-Entry Certificates that are ERISA-Restricted Certificates and shall
have no liability for transfers of such Certificates in violation of the transfer restrictions.
The Certificate Registrar shall be under no liability to any Person for any registration of
transfer of any ERISA-Restricted Certificate that is in fact not permitted by this Section 3.03(e)
and none of the Securities Administrator, the Trustee or the Paying Agent shall have any liability
for making any payments due on such Certificate to the Holder thereof or taking any other action
with respect to such Holder under the provisions of this Agreement so long as the transfer was
registered by the Certificate Registrar in accordance with the foregoing requirements. The
Securities Administrator, on behalf of the Trustee, shall be entitled, but not obligated, to
recover from any Holder of any ERISA-Restricted Certificate that was in fact a Plan or a Person
acting on behalf of a Plan any payments made on such ERISA-Restricted Certificate at and after
either such time. Any such payments so recovered by the Securities Administrator, on behalf of the
Trustee, shall be paid and delivered by the Securities Administrator, on behalf of the Trustee, to
the last preceding Holder of such Certificate that is not such a Plan or Person acting on behalf of
a Plan.

     (f) As a condition of the registration of transfer or exchange of any Certificate, the
Certificate Registrar may require the certified taxpayer identification number of the owner of the
Certificate and the payment of a sum sufficient to cover any tax or other governmental charge
imposed in connection therewith; provided, however, that the Certificate Registrar shall have no
obligation to require such payment or to determine whether or not any such tax or charge may be
applicable. No service charge shall be made to the Certificateholder for any registration,
transfer or exchange of a Certificate.

     (g) Notwithstanding anything to the contrary contained herein, no Residual Certificate may be
owned, pledged or transferred, directly or indirectly, by or to (i) a Disqualified Organization or
(ii) an individual, corporation or partnership or other person unless such person is (A) not a
Non-U.S. Person or (B) is a Non-U.S. Person that holds a Residual Certificate in connection with
the conduct of a trade or business within the United States and has furnished the transferor and
the Certificate Registrar with an effective Internal Revenue Service Form W-8ECI or successor form
at the time and in the manner required by the Code (any such person who is not covered by clause
(A) or (B) above is referred to herein as a “Non-permitted Foreign Holder”).

     Prior to and as a condition of the registration of any transfer, sale or other disposition of
a Residual Certificate, the proposed transferee shall deliver to the Certificate Registrar, on
behalf of the Trustee, an affidavit in substantially the form attached hereto as Exhibit B
representing and warranting, among other things, that such transferee is neither a Disqualified
Organization, an agent or nominee acting on behalf of a Disqualified Organization, nor a
Non-permitted Foreign Holder (any such transferee, a “Permitted Transferee”), and the proposed
transferor shall deliver to the Certificate Registrar an affidavit in substantially the form
attached hereto as

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Exhibit C. In addition, the Certificate Registrar may (but shall have no
obligation to) require, prior to and as a condition of any such transfer, the delivery by the
proposed transferee of an Opinion of Counsel, addressed to the Certificate Registrar, that such
proposed transferee or, if the proposed transferee is an agent or nominee, the proposed beneficial
owner, is not a Disqualified Organization, agent or nominee thereof, or a Non-permitted Foreign
Holder. Notwithstanding the registration in the Certificate Register of any transfer, sale, or
other disposition of a Residual Certificate to a Disqualified Organization, an agent or nominee
thereof, or Non-permitted Foreign Holder, such registration shall be deemed to be of no legal force
or effect whatsoever and such Disqualified Organization, agent or nominee thereof, or Non-permitted
Foreign Holder shall not be deemed to be a Certificateholder for any purpose hereunder, including,
but not limited to, the receipt of distributions on such Residual Certificate. The Depositor, the
Certificate Registrar and the Trustee shall be under no liability to any Person for any
registration or transfer of a Residual Certificate to a Disqualified Organization, agent or nominee
thereof or Non-permitted Foreign Holder or for the Paying Agent making any payments due on such
Residual Certificate to the Holder thereof or for taking any other action with respect to such
Holder under the provisions of this Agreement, so long as the transfer was effected in accordance
with this Section 3.03(g), unless the Certificate Registrar shall have actual knowledge at the time
of such transfer or the time of such payment or other action that the transferee is a Disqualified
Organization, or an agent or nominee thereof, or Non-permitted Foreign Holder. The Certificate
Registrar shall be entitled to recover from any Holder of a Residual Certificate that was a
Disqualified Organization, agent or nominee thereof, or Non-permitted Foreign Holder at the time it
became a Holder or any subsequent time it became a Disqualified Organization, agent or nominee
thereof, or Non-permitted Foreign Holder, all payments made on such Residual Certificate at and
after either such times (and all costs and expenses, including but not limited to attorneys’ fees,
incurred in connection therewith). Any payment (not including any such costs and expenses) so
recovered by the Certificate Registrar shall be paid and delivered to the last preceding Holder of
such Residual Certificate.

     If any purported transferee shall become a registered Holder of a Residual Certificate in
violation of the provisions of this Section 3.03(g), then upon receipt of written notice to the
Certificate Registrar that the registration of transfer of such Residual Certificate was not in
fact permitted by this Section 3.03(g), the last preceding Permitted Transferee shall be restored
to all rights as Holder thereof retroactive to the date of such registration of transfer of such
Residual Certificate. The Depositor, the Certificate Registrar, the Securities Administrator and
the Trustee shall be under no liability to any Person for any registration of transfer of a
Residual Certificate that is in fact not permitted by this Section 3.03(g), or for the Paying Agent
making any payment due on such Certificate to the registered Holder thereof or for taking any other
action with respect to such Holder under the provisions of this Agreement so long as the transfer
was registered upon receipt of the affidavit described in the preceding paragraph of this
Section 3.03(g).

     (h) Each Holder or Certificate Owner of a Restricted Certificate, ERISA-Restricted Certificate
or Residual Certificate, or an interest therein, by such Holder’s or Owner’s acceptance thereof,
shall be deemed for all purposes to have consented to the provisions of this section.

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     Section 3.04 Cancellation of Certificates.

     Any Certificate surrendered for registration of transfer or exchange shall be cancelled and
retained in accordance with normal retention policies with respect to cancelled certificates
maintained by the Trustee or the Certificate Registrar.

     Section 3.05 Replacement of Certificates.

     If (i) any Certificate is mutilated and is surrendered to the Certificate Registrar or (ii)
the Certificate Registrar receives evidence to its satisfaction of the destruction, loss or theft
of any Certificate, and there is delivered to the Certificate Registrar such security or indemnity
as may be required by them to save each of them harmless, then, in the absence of notice to the
Depositor, the Trustee or the Certificate Registrar that such destroyed, lost or stolen Certificate
has been acquired by a protected purchaser, the Trustee shall execute and the Authenticating Agent
shall authenticate and deliver, in exchange for or in lieu of any such mutilated, destroyed, lost
or stolen Certificate, a new Certificate of like tenor and Certificate Principal Amount. Upon the
issuance of any new Certificate under this Section 3.05, the Trustee, the Depositor, the
Certificate Registrar or the Securities Administrator 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 Trustee, the Depositor, the Certificate Registrar
or the Securities Administrator) connected therewith. Any replacement Certificate issued pursuant
to this Section 3.05 shall constitute complete and indefeasible evidence of ownership in the
applicable Trust Fund, as if originally issued, whether or not the lost, stolen or destroyed
Certificate shall be found at any time.

     If after the delivery of such new Certificate, a protected purchaser of the original
Certificate in lieu of which such new Certificate was issued presents for payment such original
Certificate, the Depositor, the Securities Administrator, the Certificate Registrar and the Trustee
or any agent shall be entitled to recover such new Certificate from the Person to whom it was
delivered or any Person taking therefrom, except a protected purchaser, and shall be entitled to
recover upon the security or indemnity provided therefor to the extent of any loss, damage, cost or
expenses incurred by the Depositor, the Certificate Registrar, the Securities Administrator, the
Trustee or any agent in connection therewith.

     Section 3.06 Persons Deemed Owners.

     Subject to the provisions of Section 3.09 with respect to Book-Entry Certificates, the
Depositor, the Securities Administrator, the Master Servicer, the Trustee, the Certificate
Registrar, the Paying Agent and any agent of any of them shall treat the Person in whose name any
Certificate is registered upon the books of the Certificate Registrar as the owner of such
Certificate for the purpose of receiving distributions pursuant to Sections 5.01 and 5.02 and for
all other purposes whatsoever, and none of the Depositor, the Master Servicer, the Securities
Administrator, the Trustee, the Certificate Registrar, the Paying Agent or any agent of any of them
shall be affected by notice to the contrary.

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     Section 3.07 Temporary Certificates.

     (a) Pending the preparation of definitive Certificates, upon the order of the Depositor, the
Trustee shall execute and the Authenticating Agent shall authenticate and deliver temporary
Certificates that are printed, lithographed, typewritten, mimeographed or otherwise produced, in
any authorized denomination, substantially of the tenor of the definitive Certificates in lieu of
which they are issued and with such variations as the authorized officers executing such
Certificates may determine, as evidenced by their execution of such Certificates.

     (b) 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 or agency of the Certificate Registrar without charge to the
Holder. Upon surrender for cancellation of any one or more temporary Certificates, the Trustee
shall execute and the Authenticating Agent shall authenticate and deliver in exchange therefor a
like aggregate Certificate Principal Amount of definitive Certificates of the same Class in the
authorized denominations. Until so exchanged, the temporary Certificates shall in all respects be
entitled to the same benefits under this Agreement as definitive Certificates of the same Class.

     Section 3.08 Appointment of Paying Agent.

     The Trustee may appoint a Paying Agent (which may be the Trustee) for the purpose of making
distributions to the Certificateholders hereunder. The Trustee hereby appoints the Securities
Administrator as the initial Paying Agent. The Trustee shall cause any Paying Agent, other than
the Securities Administrator, to execute and deliver to the Trustee an instrument in which such
Paying Agent shall agree with the Trustee and the Securities Administrator that such Paying Agent
will hold all sums held by it for the payment to the Certificateholders in an Eligible Account
(which shall be the Distribution Account) in trust for the benefit of the Certificateholders
entitled thereto until such sums shall be paid to the Certificateholders. All funds remitted by
the Securities Administrator to any such Paying Agent for the purpose of making distributions shall
be paid to the Certificateholders on each Distribution Date and any amounts not so paid shall be
returned on such Distribution Date to the Securities Administrator.
If the Paying Agent is not the Securities Administrator, the Securities Administrator shall
cause to be remitted to the Paying Agent on or before the Business Day prior to each Distribution
Date, by wire transfer in immediately available funds, the funds to be distributed on such
Distribution Date. Any Paying Agent shall be either a bank or trust company or otherwise
authorized under law to exercise corporate trust powers.

     Section 3.09 Book-Entry Certificates.

     (a) Each Class of Book-Entry Certificates, upon original issuance, shall be issued in the form
of one or more typewritten Certificates representing the Book-Entry Certificates. The Book-Entry
Certificates shall initially be registered on the Certificate Register in the name of the nominee
of the Clearing Agency, and no Certificate Owner will receive a definitive certificate representing
such Certificate Owner’s interest in the Book-Entry Certificates, except as provided

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in Section
3.09(c). Unless Definitive Certificates have been issued to Certificate Owners of Book-Entry
Certificates pursuant to Section 3.09(c):

     (i) the provisions of this Section 3.09 shall be in full force and effect;

     (ii) the Certificate Registrar, the Securities Administrator, the Paying Agent and the
Trustee shall deal with the Clearing Agency for all purposes (including the making of
distributions on the Book-Entry Certificates) as the authorized representatives of the
Certificate Owners and the Clearing Agency and shall be responsible for crediting the amount
of such distributions to the accounts of such Persons entitled thereto, in accordance with
the Clearing Agency’s normal procedures;

     (iii) to the extent that the provisions of this Section 3.09 conflict with any other
provisions of this Agreement, the provisions of this Section 3.09 shall control; and

     (iv) the rights of Certificate Owners shall be exercised only through the Clearing
Agency and the Clearing Agency Participants and shall be limited to those established by law
and agreements between such Certificate Owners and the Clearing Agency and/or the Clearing
Agency Participants. Unless and until Definitive Certificates are issued pursuant to
Section 3.09(c), the initial Clearing Agency will make book-entry transfers among the
Clearing Agency Participants and receive and transmit distributions of principal of and
interest on the Book-Entry Certificates to such Clearing Agency Participants.

     (b) Whenever notice or other communication to the Certificateholders is required under this
Agreement, unless and until Definitive Certificates shall have been issued to Certificate Owners
pursuant to Section 3.09(c), the Securities Administrator shall give all such notices and
communications specified herein to be given to Holders of the Book-Entry Certificates to the
Clearing Agency.

     (c) If (i) (A) the Clearing Agency or the Depositor advises the Paying Agent in writing that
the Clearing Agency is no longer willing or able to discharge properly its responsibilities with
respect to the Book-Entry Certificates, and (B) the Depositor is unable to locate a qualified
successor satisfactory to the Depositor and the Paying Agent or (ii) after the occurrence of
an Event of Default, Certificate Owners representing beneficial interests aggregating not less than
50% of the Class Principal Amount of a Class of Book-Entry Certificates advise the Paying Agent and
the Clearing Agency through the Clearing Agency Participants in writing that the continuation of a
book-entry system through the Clearing Agency is no longer in the best interests of the Certificate
Owners of a Class of Book-Entry Certificates (each such event, a “Book-Entry Termination”), the
Certificate Registrar shall notify the Clearing Agency to effect notification to all Certificate
Owners, through the Clearing Agency, of the occurrence of any such event and of the availability of
Definitive Certificates to Certificate Owners requesting the same. Upon surrender to the
Certificate Registrar of the Book-Entry Certificates by the Clearing Agency, accompanied by
registration instructions from the Clearing Agency for registration, the Certificate Registrar
shall issue the Definitive Certificates. None of the Depositor, the Certificate Registrar, the
Securities Administrator or the Trustee shall be liable for any delay in

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delivery of such
instructions and may conclusively rely on, and shall be protected in relying on, such instructions.
Upon the issuance of Definitive Certificates all references herein to obligations imposed upon or
to be performed by the Clearing Agency shall be deemed to be imposed upon and performed by the
Certificate Registrar, to the extent applicable, with respect to such Definitive Certificates and
the Certificate Registrar shall recognize the holders of the Definitive Certificates as
Certificateholders hereunder. Notwithstanding the foregoing, the Certificate Registrar, upon the
instruction of the Depositor, shall have the right to issue Definitive Certificates on the Closing
Date in connection with credit enhancement programs.

ARTICLE IV

ADMINISTRATION OF THE TRUST FUND

     Section 4.01 Collection Accounts; Distribution Account.

     (a) On or prior to the Closing Date, the Master Servicer shall have caused the Servicers to
establish and maintain one or more Collection Accounts, as provided in the related Servicing
Agreements, into which all Scheduled Payments and unscheduled payments with respect to the Mortgage
Loans, net of any deductions or reimbursements permitted under the related Servicing Agreement,
shall be deposited. On each Distribution Account Deposit Date, the Servicers shall remit to the
Securities Administrator for deposit into the Distribution Account, all amounts so required to be
deposited into such account in accordance with the terms of the related Servicing Agreement.

     (b) The Securities Administrator, as Paying Agent for the Trustee, shall establish and
maintain an Eligible Account entitled “Distribution Account of HSBC Bank, USA, National
Association, as Trustee for the benefit of Sequoia Mortgage Trust 2007-2 Holders of Mortgage
Pass-Through Certificates.” The Securities Administrator shall, promptly upon receipt from the
Servicers on each Distribution Account Deposit Date, deposit into the Distribution Account and
retain on deposit until the related Distribution Date the following amounts:

     (i) the aggregate of collections with respect to the Mortgage Loans remitted by the
Servicers from the related Collection Accounts in accordance with the Servicing Agreements;

     (ii) any amounts required to be deposited by the Master Servicer with respect to the
Mortgage Loans for the related Due Period pursuant to this Agreement, including the amount
of any Advances or Compensation Interest Payments with respect to the Mortgage Loans not
paid by the Servicers; and

     (iii) any other amounts so required to be deposited in the Distribution Account in the
related Due Period pursuant to this Agreement.

     (c) In the event the Master Servicer or a Servicer has remitted in error to the Distribution
Account any amount not required to be remitted in accordance with the definition of Available
Distribution Amount, it may at any time direct the Securities Administrator to withdraw such

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amount
from the Distribution Account for repayment to the Master Servicer or Servicer, as applicable, by
delivery of an Officer’s Certificate to the Securities Administrator which describes the amount
deposited in error.

     (d) On each Distribution Date and final Distribution Date of the Certificates in accordance
with Section 7.01, the Securities Administrator, as Paying Agent, shall distribute the Available
Distribution Amount to the Certificateholders and any other parties entitled thereto in the amounts
and priorities set forth in Section 5.02. The Securities Administrator may from time to time
withdraw from the Distribution Account and pay the Master Servicer, the Trustee, the Securities
Administrator or any Servicer any amounts permitted to be paid or reimbursed to such Person from
funds in the Distribution Account pursuant to the clauses (A) through (D) of the definition of
Available Distribution Amount.

     (e) Funds in the Distribution Account may be invested in Permitted Investments selected by and
at the written direction of the Securities Administrator, which shall mature not later than one
Business Day prior to the Distribution Date (except that if such Permitted Investment is an
obligation of the Securities Administrator, then such Permitted Investment shall mature not later
than such applicable Distribution Date) and any such Permitted Investment shall not be sold or
disposed of prior to its maturity. All such Permitted Investments shall be made in the name of the
Trustee (in its capacity as such) or its nominee. All income and gain realized from any Permitted
Investment shall be for the benefit of the Securities Administrator, as additional compensation for
its duties hereunder, and shall be subject to its withdrawal or order from time to time, and shall
not be part of the Trust Fund. The amount of any losses incurred in respect of any such
investments shall be deposited in such Distribution Account by the Securities Administrator out of
its own funds, without any right of reimbursement therefor, immediately as realized.

     Section 4.02 [Reserved].

     Section 4.03 [Reserved].

     Section 4.04 Reports to Trustee and Certificateholders.

     On each Distribution Date, the Securities Administrator shall have prepared and shall make
available to the Trustee and each Certificateholder a written report setting forth the following
information (on the basis of Mortgage Loan level information obtained from the Master Servicer and
the Servicers) (the “Distribution Date Statement”):

     (a) the amount of the distributions, separately identified, with respect to each Class of
Certificates;

     (b) the amount of the distributions set forth in the clause (a) allocable to principal,
separately identifying the aggregate amount of any Principal Prepayments or other unscheduled
recoveries of principal included in that amount;

     (c) the amount of the distributions set forth in the clause (a) allocable to interest and how
it was calculated;

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     (d) the amount of any unpaid Interest Shortfall, Net WAC Shortfall or unpaid Net WAC Shortfall
(if applicable) and the related accrued interest thereon, with respect to each Class of
Certificates;

     (e) the Class Principal Amount of each Class of Certificates after giving effect to the
distribution of principal on that Distribution Date;

     (f) the Aggregate Stated Principal Balance of each Mortgage Pool (separately and in the
aggregate), the Mortgage Rates (in incremental ranges), the Pool 1 Net WAC, the Pool 2A Net WAC,
the Pool 2B Net WAC and the Group 2 Subordinate Net WAC, the weighted average life and the weighted
average remaining term of the Mortgage Loans, at the beginning and at the end of the related
Prepayment Period;

     (g) the Stated Principal Balance of the Mortgage Loans with Mortgage Rates that adjust based
on the one-month LIBOR index, six-month LIBOR index, one-year CMT index, six-month CMT index and
one-year LIBOR index at the end of the related Prepayment Period;

     (h) the Senior Percentage and the Subordinate Percentage for each Mortgage Pool, for the
following Distribution Date;

     (i) the Senior Prepayment Percentage and the Subordinate Prepayment Percentage for each
Mortgage Pool for the following Distribution Date;

     (j) with respect to each Mortgage Pool, in the aggregate and in the aggregate with respect to
Pool 2A and Pool 2B, the amount of the Master Servicing Fee and the Servicing Fee
paid to or retained by the Master Servicer and by each Servicer, respectively, and the amount
of any fees paid to the Securities Administrator and the Custodian;

     (k) with respect to each Mortgage Pool, in the aggregate and in the aggregate with respect to
Pool 2A and Pool 2B, the amount of Monthly Advances for the related Due Period;

     (l) the number and Stated Principal Balance of the Mortgage Loans that were (A) Delinquent
(exclusive of Mortgage Loans in foreclosure) (1) 30 to 59 days, (2) 60 to 89 days and (3) 90 or
more days, (B) in foreclosure and Delinquent (1) 30 to 59 days, (2) 60 to 89 days and (3) 90 or
more days and (C) in bankruptcy as of the close of business on the last day of the calendar month
preceding that Distribution Date;

     (m) the amount of cash flow received for such Distribution Date, and the sources thereof;

     (n) with respect to each Mortgage Pool, in the aggregate and in the aggregate with respect to
Pool 2A and Pool 2B, for any Mortgage Loan as to which the related Mortgaged Property was an REO
Property during the preceding calendar month, the principal balance of such Mortgage Loan as of the
close of business on the last day of the related Due Period;

     (o) with respect to each Mortgage Pool, in the aggregate and in the aggregate with respect to
Pool 2A and Pool 2B, the aggregate number and principal balance of any REO Properties as of the
close of business on the last day of the preceding Due Period;

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     (p) with respect to each Mortgage Pool, in the aggregate and in the aggregate with respect to
Pool 2A and Pool 2B, the amount of Realized Losses incurred during the preceding calendar month;

     (q) with respect to each Mortgage Pool, in the aggregate and in the aggregate with respect to
Pool 2A and Pool 2B, the cumulative amount of Realized Losses incurred since the Closing Date;

     (r) the Realized Losses, if any, allocated to each Class of Certificates on that Distribution
Date;

     (s) the Certificate Interest Rate for each Class of Certificates for that Distribution Date;

     (t) the amount of any Principal Transfer Amounts or Interest Transfer Amounts paid to an
Undercollateralized Group;

     (u) the applicable Record Date, Accrual Period and calculation date for each Class of
Certificates and such Distribution Date; and

     (v) the amount on deposit in the Distribution Account as of such Distribution Date (after
giving effect to distributions on such date) and as of the prior Distribution Date.

     On each Distribution Date, the Securities Administrator shall provide Bloomberg Financial
Markets, L.P. (“Bloomberg”) CUSIP level factors for each Class of Offered
Certificates as of such Distribution Date, using a format and media mutually acceptable to the
Securities Administrator and Bloomberg.

     In addition to the information listed above, such Distribution Date Statement shall also
include such other information as is required by Form 10-D, including, but not limited to, the
information required by Item 1121 (§229.1121) of Regulation AB.

     The Securities Administrator shall make such reports available each month via the Master
Servicer’s website at http://www.ctslink.com. Assistance in using the website may be obtained by
calling the Master Servicer’s customer service desk at (301) 815-6600. Certificateholders and
other parties that are unable to use the website are entitled to have a paper copy mailed to them
via first class mail by contacting the Securities Administrator and indicating such. In preparing
or furnishing the foregoing information to the Trustee, the Securities Administrator shall be
entitled to rely conclusively on the accuracy of the information or data regarding the Mortgage
Loans and the related REO Properties that has been provided to the Securities Administrator by the
Master Servicer and the Servicers, and the Securities Administrator shall not be obligated to
verify, recompute, reconcile or recalculate any such information or data.

     Upon request, within a reasonable period of time after the end of each calendar year, the
Securities Administrator shall cause to be furnished to each Person who at any time during the
calendar year was a Certificateholder, a statement containing the information listed above
aggregated for such calendar year or applicable portion thereof during which such Person was a
Certificateholder. Such obligation of the Securities Administrator shall be deemed to have been

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satisfied to the extent that substantially comparable information shall be provided by the
Securities Administrator pursuant to any requirements of the Code as from time to time in effect.

     Upon the reasonable advance written request of any Certificateholder that is a savings and
loan, bank or insurance company, which request, if received by the Trustee or the Certificate
Registrar, shall be promptly forwarded to the Securities Administrator, the Securities
Administrator shall provide, or cause to be provided (or, to the extent that such information or
documentation is not required to be provided by a Servicer under the applicable Servicing
Agreement, shall use reasonable efforts to obtain such information and documentation from such
Servicer, and provide) to such Certificateholders such reports and access to information and
documentation regarding the Mortgage Loans as such Certificateholders may reasonably deem necessary
to comply with applicable regulations of the Office of Thrift Supervision or its successor or other
regulatory authorities with respect to an investment in the Certificates; provided, however, that
the Securities Administrator shall be entitled to be reimbursed by such Certificateholders for the
Securities Administrator’s actual expenses incurred in providing such reports and access.

ARTICLE V

DISTRIBUTIONS TO HOLDERS OF CERTIFICATES

     Section 5.01 Distributions Generally.

     (a) Subject to Section 7.01 respecting the final distribution on the Certificates, on each
Distribution Date the Paying Agent on behalf of the Trustee shall make distributions in accordance
with this Article V. Such distributions shall be made by check mailed to each Certificateholder’s
address as it appears on the Certificate Register of the Certificate Registrar or, upon written
request made to the Securities Administrator at least five Business Days prior to the related
Record Date by any Certificateholder owning an aggregate initial Certificate Principal Amount of at
least $1,000,000, or in the case of any Class of Interest-Only Certificates or Residual
Certificate, a Percentage Interest of not less than 100%, by wire transfer in immediately available
funds to an account specified in the request and at the expense of such Certificateholder;
provided, however, that the final distribution in respect of any Certificate shall be made only
upon presentation and surrender of such Certificate at the Certificate Registrar’s Corporate Trust
Office; provided, further, that the foregoing provisions shall not apply to any Class of
Certificates as long as such Certificate remains a Book-Entry Certificate in which case all
payments made shall be made through the Clearing Agency and its Clearing Agency Participants. Wire
transfers will be made at the expense of the Holder requesting such wire transfer by deducting a
wire transfer fee from the related distribution. Notwithstanding such final payment of principal
of any of the Certificates, each Residual Certificate will remain outstanding until the termination
of each REMIC and the payment in full of all other amounts due with respect to the Residual
Certificates and at such time such final payment in retirement of any Residual Certificate will be
made only upon presentation and surrender of such Certificate at the Certificate Registrar’s
Corporate Trust Office. If any payment required to be made on the Certificates is to be made on a
day that is not a Business Day, then such payment will be made

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on the next succeeding Business Day.

     (b) All distributions or allocations made with respect to the Certificateholders within each
Class on each Distribution Date shall be allocated among the outstanding Certificates in such Class
equally in proportion to their respective initial Class Principal Amounts or initial Class Notional
Amounts (or Percentage Interests).

     Section 5.02 Distributions from the Distribution Account.

     Subject to Sections 5.02(c), (d), (l) and (m), on each Distribution Date the Securities
Administrator shall withdraw (i) the Available Distribution Amount for Pool 1 and allocate such
amount to the Group 1 Certificates, (ii) the Available Distribution Amount for Pool 2A and allocate
such amount to the Group 2A Senior Certificates and the Group 2 Subordinate Certificates and (iii)
the Available Distribution Amount for Pool 2B and allocate such amount to the Group 2B Senior
Certificates and the Group 2 Subordinate Certificates, in each case, as set forth below:

     (a) On each Distribution Date, the Securities Administrator shall distribute the Available
Distribution Amount for Pool 1 for such date in the following order of priority:

     (i) Concurrently, from the Available Distribution Amount for Pool 1, to the payment of
the Interest Distribution Amount and any accrued but unpaid Interest Shortfalls on each
Class of the Group 1 Senior Certificates; provided, however, that on each Distribution Date,
the amount of interest that would otherwise be distributable (A) to the Class 1-XA
Certificates, will be deposited in the Reserve Fund and credited to the Class 1-XA Sub
Account of the Reserve Fund, to the extent of the Class 1-XA Required Reserve Fund Deposit
for such Distribution Date and (B) to the Class 1-XB Certificates, will be deposited in the
Reserve Fund and credited to the Class 1-XB Sub Account of the Reserve Fund, to the extent
of the Class 1-XB Required Reserve Fund Deposit for such Distribution Date;

     (ii) to the Group 1 Senior Certificates, from the Available Distribution Amount
remaining in Pool 1 after application of amounts pursuant to Section 5.02(a)(i) above,
sequentially in the following order of priority:

     (A) to the Class 1-AR Certificate, the Senior Principal Distribution Amount for
Pool 1, until its Class Principal Amount has been reduced to zero; and

     (B) pro rata, to the Class 1-A1, Class 1-A2 and Class 1-A3 Certificates, the
Senior Principal Distribution Amount for Pool 1, until their respective Class
Principal Amounts have been reduced to zero;

     (iii) from the Available Distribution Amount from Pool 1 remaining after the
application of amounts pursuant to Sections 5.01(a)(i) and 5.02(a)(ii) above, to the Group 1
Subordinate Certificates, sequentially in the following order of priority:

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     (A) to the Class 1-B1 Certificates, the Interest Distribution Amount and any
Interest Shortfalls, in each case, for such Class on such date;

     (B) to the Class 1-B1 Certificates, such Class’ Subordinate Class Percentage of
the aggregate Subordinate Principal Distribution Amount for Pool 1, until its Class
Principal Amount has been reduced to zero;

     (C) to the Class 1-B2 Certificates, the Interest Distribution Amount and any
Interest Shortfalls, in each case, for such Class on such date;

     (D) to the Class 1-B2 Certificates, such Class’ Subordinate Class Percentage of
the aggregate Subordinate Principal Distribution Amount for Pool 1, until its Class
Principal Amount has been reduced to zero;

     (E) to the Class 1-B3 Certificates, the Interest Distribution Amount and any
Interest Shortfalls, in each case, for such Class on such date;

     (F) to the Class 1-B3 Certificates, such Class’ Subordinate Class Percentage of
the aggregate Subordinate Principal Distribution Amount for Pool 1, until its Class
Principal Amount has been reduced to zero;

     (G) to the Class 1-B4 Certificates, the Interest Distribution Amount and any
Interest Shortfalls, in each case, for such Class on such date;

     (H) to the Class 1-B4 Certificates, such Class’ Subordinate Class Percentage of
the aggregate Subordinate Principal Distribution Amount for Pool 1, until its Class
Principal Amount has been reduced to zero;

     (I) to the Class 1-B5 Certificates, the Interest Distribution Amount and any
Interest Shortfalls, in each case, for such Class on such date;

     (J) to the Class 1-B5 Certificates, such Class’ Subordinate Class Percentage of
the aggregate Subordinate Principal Distribution Amount for Pool 1, until its Class
Principal Amount has been reduced to zero;

     (K) to the Class 1-B6 Certificates, the Interest Distribution Amount and any
Interest Shortfalls, in each case, for such Class on such date;

     (L) to the Class 1-B6 Certificates, such Class’ Subordinate Class Percentage of
the aggregate Subordinate Principal Distribution Amount for Pool 1, until its Class
Principal Amount has been reduced to zero; and

     (iv) To the Class 1-AR Certificate and the Class 1-LTR Certificate, any remaining
amount of the Available Distribution Amount from Pool 1 allocated as provided in Section
5.02(e).

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     On each Distribution Date, the Securities Administrator shall distribute concurrently, (A)
from the Class 1-XA Sub Account, pro rata (on the basis of the amount of Net WAC Shortfalls
experienced by each such Class of LIBOR Certificates and the aggregate amount of Net WAC Shortfalls
experienced by all of the Class 1-A1, Class 1-A2 and Class 1-A3 Certificates (as a group)), to the
Class 1-A1, Class 1-A2 and Class 1-A3 Certificates, any related Net WAC Shortfalls or related
unpaid Net WAC Shortfalls for such date and (B) from the Class 1-XB Sub Account, sequentially, to
the Class 1-B1 and Class 1-B2 Certificates, in that order, any related Net WAC Shortfalls or
related unpaid Net WAC Shortfalls for such date.

     (b) On each Distribution Date, the Securities Administrator shall distribute the aggregate of
the Available Distribution Amounts for Pool 2A and Pool 2B for such date, concurrently as follows:

     (i) For Pool 2A: The Available Distribution Amount for Pool 2A shall be distributed in
the following order of priority:

     (A) pro rata, to the Group 2A Senior Certificates, the Interest Distribution
Amount and any accrued but unpaid Interest Shortfalls on each Class of the Group 2A
Senior Certificates;

     (B) to the Class 1-AR Certificate, the Senior Principal Distribution Amount for
Pool 1, until its Class Principal Amount has been reduced to zero; and

     (C) pro rata, to the Group 2A Senior Certificates, the Senior Principal
Distribution Amount for Pool 2A, until their respective Class Principal Amounts have
been reduced to zero;

     (ii) For Pool 2B: The Available Distribution Amount for Pool 2B shall be distributed in
the following order of priority:

     (A) pro rata, to the Group 2B Senior Certificates, the Interest Distribution
Amount and any accrued but unpaid Interest Shortfalls on each Class of the Group 2B
Senior Certificates;

     (B) pro rata, to the Group 2B Senior Certificates, the Senior Principal
Distribution Amount for Pool 2B, until their respective Class Principal Amounts have
been reduced to zero;

     (iii) from the Available Distribution Amount from Pool 2A remaining after the
application of amounts pursuant to Sections 5.01(b)(i) and from the Available Distribution
Amount for Pool 2B remaining after the application of amounts pursuant to 5.02(b)(ii) above,
to the Group 2 Subordinate Certificates, sequentially in the following order of priority:

     (A) to the Class 2-B1 Certificates, the Interest Distribution Amount and any
Interest Shortfalls, in each case, for such Class on such date;

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     (B) to the Class 2-B1 Certificates, such Class’ Subordinate Class Percentage of
the aggregate of the Subordinate Principal Distribution Amounts for Pool 2A and Pool
2B, until its Class Principal Amount has been reduced to zero;

     (C) to the Class 2-B2 Certificates, the Interest Distribution Amount and any
Interest Shortfalls, in each case, for such Class on such date;

     (D) to the Class 2-B2 Certificates, such Class’ Subordinate Class Percentage of
the aggregate of the Subordinate Principal Distribution Amounts for Pool 2A and Pool
2B, until its Class Principal Amount has been reduced to zero;

     (E) to the Class 2-B3 Certificates, the Interest Distribution Amount and any
Interest Shortfalls, in each case, for such Class on such date;

     (F) to the Class 2-B3 Certificates, such Class’ Subordinate Class Percentage of
the aggregate of the Subordinate Principal Distribution Amounts for Pool 2A and Pool
2B, until its Class Principal Amount has been reduced to zero;

     (G) to the Class 2-B4 Certificates, the Interest Distribution Amount and any
Interest Shortfalls, in each case, for such Class on such date;

     (H) to the Class 2-B4 Certificates, such Class’ Subordinate Class Percentage of
the aggregate of the Subordinate Principal Distribution Amounts for Pool 2A and Pool
2B, until its Class Principal Amount has been reduced to zero;

     (I) to the Class 2-B5 Certificates, the Interest Distribution Amount and any
Interest Shortfalls, in each case, for such Class on such date;

     (J) to the Class 2-B5 Certificates, such Class’ Subordinate Class Percentage of
the aggregate of the Subordinate Principal Distribution Amounts for Pool 2A and Pool
2B, until its Class Principal Amount has been reduced to zero;

     (K) to the Class 2-B6 Certificates, the Interest Distribution Amount and any
Interest Shortfalls, in each case, for such Class on such date;

     (L) to the Class 2-B6 Certificates, such Class’ Subordinate Class Percentage of
the aggregate of the Subordinate Principal Distribution Amounts for Pool 2A and Pool
2B, until its Class Principal Amount has been reduced to zero;

     (iv) To the Class 2-AR Certificate and the Class 2-LTR Certificate, any remaining
amount of the aggregate of the Available Distribution Amounts from Pool 2A and Pool 2B
allocated as provided in Section 5.02(e).

     (c) On each Distribution Date on and after the Group 2 Credit Support Depletion Date, the
Available Distribution Amounts for Pool 2A and Pool 2B shall be combined and distributed to the
remaining Classes of Group 2A Senior Certificates and Group 2B Senior Certificates, first, to pay
the Interest Distribution Amount and any accrued but unpaid Interest Shortfalls; second,

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to pay
principal on a pro rata basis; and third, to the Class 2-AR and Class 2-LTR Certificates, any
remaining Available Distribution Amount from Pool 2A and Pool 2B.

     (d) Notwithstanding the priority and allocation set forth in Section 5.02(a), if with respect
to any Class of Group 1 Subordinate Certificates on any Distribution Date the aggregate of the
related Class Subordination Percentages of such Class and of all other Classes of Group 1
Subordinate Certificates which have a higher numerical Class designation than such Class is less
than the Original Applicable Credit Support Percentage for such Class, no distribution of Principal
Prepayments shall be made to any such Classes and the amount of such Principal Prepayment otherwise
distributable to such Classes shall be distributed to any Classes of Group 1 Subordinate
Certificates having lower numerical Class designations than such Class, pro rata, based on the
Class Principal Amounts of the respective Classes immediately prior to such Distribution Date and
shall be distributed in the sequential order provided in Section 5.02(a) above.

     Notwithstanding the priority and allocation set forth in Section 5.02(b), if with respect to
any Class of Group 2 Subordinate Certificates on any Distribution Date the aggregate of the related
Class Subordination Percentages of such Class and of all other Classes of Group 2 Subordinate
Certificates which have a higher numerical Class designation than such Class is less than the
Original Applicable Credit Support Percentage for such Class, no distribution of Principal
Prepayments shall be made to any such Classes and the amount of such Principal
Prepayment otherwise distributable to such Classes shall be distributed to any Classes of Group 2
Subordinate Certificates having lower numerical Class designations than such Class, pro rata, based
on the Class Principal Amounts of the respective Classes immediately prior to such Distribution
Date and shall be distributed in the sequential order provided in Section 5.02(b)(iii) above.

     (e) Amounts distributed to the Residual Certificates pursuant to Sections 5.02(a)(iv) and
5.02(b)(iv) on any Distribution Date shall be allocated among the REMIC residual interests
represented thereby such that each such interest is allocated the excess of funds available to the
related REMIC over required distributions to the regular interests in such REMIC on such
Distribution Date; provided, however, that the Class 1-LTR Certificate shall be entitled to any
amounts representing net gain resulting from the sale of any REO Properties or other Liquidation
Proceeds due to the Residual Certificates with respect to the Pool 1 Mortgage Loans; and provided,
further, that the Class 2-LTR Certificate shall be entitled to any and all amounts representing net
gain, if any, resulting from the sale of any REO Properties at a price greater than the foreclosed
balance of the related Mortgage Loan or other Liquidation Proceeds due to the Residual Certificates
with respect to the Pool 2A Mortgage Loans and the Pool 2B Mortgage Loans.

     (f) For purposes of distributions provided in Sections 5.02(a) and 5.02(b), Pool 1 shall
“relate” to the Group 1 Senior Certificates, Pool 2A shall “relate” to the Group 2A Senior
Certificates and the Group 2 Subordinate Certificates and Pool 2B shall “relate” to the Group 2B
Senior Certificates and the Group 2 Subordinate Certificates.

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     (g) On any Distribution Date for which a Net WAC Shortfall exists with respect to the Class
1-A1, Class 1-A2 or Class 1-A3 Certificates, the Securities Administrator shall withdraw from the
Reserve Fund (and debit to the Class 1-XA Sub Account), the amount for distribution to such Class
equal to the lesser of (1) the amount of such Net WAC Shortfall and (2) the amounts credited to the
related Sub Account as provided in Section 5.02(a).

     (h) On any Distribution Date for which a Net WAC Shortfall exists with respect to the Class
1-B1 or Class 1-B2 Certificates, the Securities Administrator will withdraw from the Reserve Fund
(and debit to the Class 1-XB Sub Account), the lesser of (1) the amount of such Net WAC Shortfall
and (2) the amounts credited to the related Sub Account as provided in Section 5.02(a).

     (i) [Reserved].

     (j) For purposes of distributions of interest in Sections 5.02(a) and 5.02(b) such
distributions to a Class of Certificates on any Distribution Date shall be made first, in respect
of Current Interest; and second, in respect of Interest Shortfalls.

     (k) If, immediately after any Distribution Date, the amount credited to any Sub Account of the
Reserve Fund exceeds the initial credit thereto, the Securities Administrator will distribute from
the Reserve Fund (and debit to such Sub Account) such excess to the Holders of the related
Class of Interest-Only Certificates in respect of which amounts were credited to the relevant
Sub Account.

     (l) Notwithstanding the priority of distributions set forth in Sections 5.02(b)(i) and
5.02(b)(ii) above, if on any Distribution Date prior to the Group 2 Credit Support Depletion (1)
either one of the Rapid Prepayment Conditions is satisfied on such date and (2)(i) the aggregate of
the Class Principal Amounts of the Group 2A Senior Certificates has been reduced to zero, then that
portion of the Available Distribution Amount for Pool 2A described in Section 5.02(b)(i), and that
represents principal collections on the Pool 2A Mortgage Loans shall be applied as an additional
distribution to the Group 2B Senior Certificates, in reduction of, and in proportion to, the Class
Principal Amounts thereof or (ii) the aggregate of the Class Principal Amounts of the Group 2B
Senior Certificates has been reduced to zero, then that portion of the Available Distribution
Amount for Pool 2B described in Section 5.02(b)(ii), and that represents principal collections on
the Pool 2B Mortgage Loans shall be applied as an additional distribution to the Group 2A Senior
Certificates, in reduction of, and in proportion to, the Class Principal Amounts thereof; provided,
however, that any such amounts distributable to the Class 2-AR and Class 2A-A1 Certificates shall
be distributed first, to the Class 2-AR Certificates and, second, to the Class 2A-A1 Certificates.

     (m) If, on any Distribution Date (i) the Group 2A Senior Certificates would constitute an
Undercollateralized Group and the Group 2B Senior Certificates would constitute an
Overcollateralized Group, then notwithstanding Section 5.02(b)(ii), the Available Distribution
Amount for Pool 2B, to the extent remaining following distributions of interest and principal to
the Group 2B Senior Certificates shall be distributed, up to the sum of the Interest Transfer
Amount and the Principal Transfer Amount, to the Group 2A Senior Certificates, in payment of

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accrued but unpaid interest, if any, and then to the Group 2A Senior Certificates as principal, in
the same order and priority as such Certificates would receive other distributions of principal or
(ii) the Group 2B Senior Certificates would constitute an Undercollateralized Group and the Group
2A Senior Certificates would constitute an Overcollateralized Group, then notwithstanding Section
5.02(b)(i), the Available Distribution Amount for Pool 2A, to the extent remaining following
distributions of interest and principal to the Group 2A Senior Certificates shall be distributed,
up to the sum of the Interest Transfer Amount and the Principal Transfer Amount, to the Group 2B
Senior Certificates, in payment of accrued but unpaid interest, if any, and then to the Group 2B
Senior Certificates as principal, in the same order and priority as such Certificates would receive
other distributions of principal.

     Section 5.03 Allocation of Losses.

     (a) On or prior to each Distribution Date, the Master Servicer shall aggregate the information
provided by each Servicer with respect to the total amount of Realized Losses experienced on the
Mortgage Loans for the related Distribution Date.

     (b) On each Distribution Date, the principal portion of Realized Losses relating to Pool 1
shall be allocated as follows:

     first, to the Group 1 Subordinate Certificates in reverse order of their respective
numerical Class designations (beginning with the Class 1-B6 Certificates and ending with
the Class 1-B1 Certificates) until the Class Principal Amount of each such Class is
reduced to zero; and

     second, to the Group 1 Senior Certificates (allocated among each Class of Senior
Certificates on a pro rata basis), in each case, until the Class Principal Amount of
such Class of Group 1 Senior Certificates is reduced to zero; provided, however, that
the amount of Realized Losses calculated above that would otherwise reduce the Class
Principal Amount of the Class 1-A2 Certificates will be allocated to the Class 1-A3
Certificates, in reduction of the Class Principal Amount thereof, until the Class
Principal Amount of the Class 1-A3 Certificates has been reduced to zero, before
reducing the Class Principal Amount of the Class 1-A2 Certificates.

     (c) On each Distribution Date, the principal portion of Realized Losses relating to Pool 2A
and Pool 2B (in the aggregate) shall be allocated as follows:

     first, to the extent of Realized Losses relating to Pool 2A or Pool 2B (in the
aggregate), to the Group 2 Subordinate Certificates in reverse order of their respective
numerical Class designations (beginning with the Class 2-B6 Certificates and ending with
the Class 2-B1 Certificates) until the Class Principal Amount of each such Class is
reduced to zero; and

     second, concurrently, (i) to the extent of Realized Losses relating to Pool 2A, to
the Group 2A Senior Certificates (allocated among each Class of Group 2A Senior
Certificates on a pro rata basis), until the Class Principal Amount of each such Class
of Group 2A Senior Certificates is reduced to zero and (ii) to the extent of Realized

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Losses relating to Pool 2B, to the Group 2B Senior Certificates (allocated among each
Class of Group 2B Senior Certificates on a pro rata basis), until the Class Principal
Amount of each such Class of Group 2B Senior Certificates is reduced to zero.

     (d) On each Distribution Date, (i) the Class Principal Amount of the Group 1 Subordinate
Certificates then outstanding with the highest numerical Class designation shall be reduced on each
Distribution Date by the amount (a “Group 1 Subordinate Certificate Writedown Amount”), if any, by
which the aggregate of the Class Principal Amounts of all outstanding Classes of Group 1
Certificates (after giving effect to the distribution of principal on such Distribution Date)
exceeds the Aggregate Stated Principal Balance of Pool 1 for the following Distribution Date and
(ii) the Class Principal Amount of the Group 2 Subordinate Certificates then outstanding with the
highest numerical Class designation shall be reduced on each Distribution Date by the amount (a
“Group 2 Subordinate Certificate Writedown Amount”), if any, by which the aggregate of the Class
Principal Amounts of all outstanding Classes of Group 2 Certificates (after giving effect to the
distribution of principal on such Distribution Date) exceeds the sum of the Aggregate Stated
Principal Balances of Pool 2A and Pool 2B for the following Distribution Date.

     (e) Any allocation of a loss pursuant to this section to a Class of Certificates shall be
achieved by reducing the Class Principal Amount thereof by the amount of such loss.

     (f) Subsequent Recoveries in respect of the Mortgage Loans shall be distributed to the related
Certificates still outstanding, in accordance with Section 5.02, and the Class Principal Amount of
each Class of Certificates then outstanding that has been reduced due to application of a Realized
Loss will be increased, in order of seniority, by the amount of such Subsequent Recovery.

     Section 5.04 Advances by Master Servicer.

     If any Servicer fails to remit any Advance required to be made under the applicable Servicing
Agreement after the expiration of any applicable grace period, such event shall constitute a
default under the Servicing Agreement, and upon termination of the defaulting Servicer as set forth
in Section 9.01, the Master Servicer (in its capacity as successor Servicer) shall make, or the
Master Servicer (if it is not the successor Servicer) shall cause the successor Servicer, to make,
such Advance in accordance with Section 9.01. The Master Servicer and each Servicer shall be
entitled to be reimbursed for all Advances made by it. Notwithstanding anything to the contrary
herein, in the event the Master Servicer determines in its reasonable judgment that an Advance is
non-recoverable, the Master Servicer shall be under no obligation to make such Advance. If the
Master Servicer determines that an Advance is non-recoverable, it shall, on or prior to the related
Distribution Date, deliver an Officer’s Certificate to the Trustee to such effect.

     Section 5.05 Compensating Interest Payments.

     The amount of the aggregate Master Servicing Fees payable to the Master Servicer in respect of
any Distribution Date shall be reduced (but not below zero) by the amount of any

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Compensating
Interest Payment for such Distribution Date, but only to the extent that Prepayment Interest
Shortfalls relating to such Distribution Date are required to be paid but not actually paid by the
Servicers. Such amount shall not be treated as an Advance and shall not be reimbursable to the
Master Servicer.

     Section 5.06 Reserve Fund

     (a) On the Closing Date, the Securities Administrator shall establish and maintain in the
Trustee’s name, in trust for the benefit of the holders of the LIBOR Certificates and the
Interest-Only Certificates, a Reserve Fund, into which the Depositor shall, on such date, deposit
$10,000.00. The Reserve Fund shall be an Eligible Account, and funds on deposit therein shall be
held separate and apart from, and shall not be commingled with, any other moneys, including,
without limitation, other moneys of the Trustee held pursuant to this Agreement. The Reserve Fund
shall not be an asset of any REMIC established hereby.

     (b) The Reserve Fund will be comprised of two Sub Accounts: the “Class 1-XA Sub Account” and
the “Class 1-XB Sub Account.” On each Distribution Date, (i) Current Interest
that would otherwise be distributable with respect to the Class 1-XA Certificates will be
credited instead to the Class 1-XA Sub Account and (ii) Current Interest that would otherwise be
distributable with respect to the Class 1-XB Certificates will be credited instead to the Class
1-XB Sub Account, in each case, to the extent of the applicable Required Reserve Fund Deposit for
such Class.

     (c) On any Distribution Date for which a Net WAC Shortfall exists with respect to the Class
1-A1, Class 1-A2 or Class 1-A3 Certificates, the Securities Administrator shall withdraw from the
Reserve Fund, to the extent of funds credited to the Class 1-XA Sub Account, the amount of such Net
WAC Shortfall for distribution on such Distribution Date pursuant to Section 5.02(g).

     (d) [Reserved].

     (e) On any Distribution Date for which a Net WAC Shortfall exists with respect to the Class
1-B1 or Class 1-B2 Certificates, the Securities Administrator shall withdraw from the Reserve Fund,
to the extent of available funds credited to the Class 1-XB Sub Account the amount of such Net WAC
Shortfall for distribution on such Distribution Date pursuant to Section 5.02(h).

     (f) Funds on deposit in the Reserve Fund shall be invested in the Wells Fargo Advantage Prime
Investment Money Market Fund or any successor fund. Any earnings on amounts credited to the Class
1-XA Sub Account shall be for the benefit of the Class 1-XA Certificateholders; and any earnings on
amounts credited to the Class 1-XB Sub Account shall be for the benefit of the Class 1-XB
Certificateholders. The Interest-Only Certificates shall evidence ownership of the Reserve Fund
(and Sub Accounts thereof) for federal income tax purposes and the Holders thereof shall direct the
Securities Administrator, in writing, as to investment of amounts on deposit therein. The
applicable Interest-Only Certificateholder(s) shall be liable for any losses incurred on such
investments. In the absence of written instructions from

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the applicable Interest-Only
Certificateholder as to investment of funds on deposit in the Reserve Fund (and credited to the
related Sub Account), such funds shall be invested in money market funds as described in paragraph
(ix) of the definition of Permitted Investments in Article I. For federal income tax purposes,
amounts transferred by the Group 1 Upper-Tier REMIC to the Reserve Fund shall be treated as amounts
distributed by the Group 1 Upper-Tier REMIC to the applicable Interest-Only Certificateholders.

     (g) If, immediately after any Distribution Date, the amount credited to any Sub Account of the
Reserve Fund exceeds the initial credit thereto, the Securities Administrator will debit such
excess from such Sub Account and distribute such excess from the Reserve Fund to the Holders of the
Certificates for which such amounts were credited to the relevant Sub Account pursuant to Section
5.02(k).

     (h) Upon termination of the Trust Fund any amounts on deposit in the Reserve Fund and credited
to a Sub Account shall be distributed to the applicable Interest-Only Certificateholders.

ARTICLE VI

CONCERNING THE TRUSTEE AND THE SECURITIES ADMINISTRATOR; EVENTS OF DEFAULT

     Section 6.01 Duties of Trustee and the Securities Administrator.

     (a) The Trustee, except during the continuance of an Event of Default and the Securities
Administrator undertakes to perform such duties and only such duties as are specifically set forth
in this Agreement. Any permissive right of the Trustee or the Securities Administrator provided
for in this Agreement shall not be construed as a duty of the Trustee or the Securities
Administrator. If an Event of Default has occurred and has not otherwise been cured or waived, the
Trustee or the Securities Administrator shall exercise such of the rights and powers vested in it
by this Agreement and use the same degree of care and skill in their exercise as a prudent Person
would exercise or use under the circumstances in the conduct of such Person’s own affairs, unless
the Trustee is acting as Master Servicer, in which case it shall use the same degree of care and
skill as the Master Servicer hereunder.

     (b) Each of the Trustee and the Securities Administrator, upon receipt of all resolutions,
certificates, statements, opinions, reports, documents, orders or other instruments furnished to
the Trustee or the Securities Administrator which are specifically required to be furnished
pursuant to any provision of this Agreement, shall examine them to determine whether they are in
the form required by this Agreement; provided, however, that neither the Trustee nor the Securities
Administrator shall be responsible for the accuracy or content of any such resolution, certificate,
statement, opinion, report, document, order or other instrument furnished by the Master Servicer or
any Servicer to the Trustee or the Securities Administrator pursuant to this Agreement, and shall
not be required to recalculate or verify any numerical information furnished to the Trustee or the
Securities Administrator pursuant to this Agreement. Subject to the immediately preceding
sentence, if any such resolution, certificate, statement, opinion, report, document,

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order or other
instrument is found not to conform to the form required by this Agreement in a material manner the
Trustee or the Securities Administrator, as applicable, shall take such action as it deems
appropriate to cause the instrument to be corrected, and if the instrument is not corrected to the
Trustee’s or the Securities Administrator’s satisfaction, the Trustee or the Securities
Administrator will provide notice thereof to the Certificateholders and will, at the expense of the
Trust Fund, which expense shall be reasonable given the scope and nature of the required action,
take such further action as directed by the Certificateholders.

     (c) Neither the Trustee nor the Securities Administrator shall have any liability arising out
of or in connection with this Agreement, except for its negligence or willful misconduct.
Notwithstanding anything in this Agreement to the contrary, neither the Trustee nor the Securities
Administrator shall be liable for special, indirect or consequential losses or damages of any kind
whatsoever (including, but not limited to, lost profits). No provision of this Agreement shall be
construed to relieve the Trustee or the Securities Administrator from liability for its own
negligent action, its own negligent failure to act or its own willful misconduct; provided,
however, that:

     (i) Neither the Trustee nor the Securities Administrator shall be personally liable
with respect to any action taken, suffered or omitted to be taken by it in good faith in
accordance with the direction of Holders of Certificates as provided in Section 6.18 hereof;

     (ii) For all purposes under this Agreement, the Trustee shall not be deemed to have
notice of any Event of Default (other than resulting from a failure by the Master Servicer
to furnish information to the Trustee when required to do so) unless a Responsible Officer
of the Trustee has actual knowledge thereof or unless written notice of any event which is
in fact such a default is received by the Trustee at the Corporate Trust Office of the
Trustee, and such notice references the Holders of the Certificates and this Agreement;

     (iii) For all purposes under this Agreement, the Securities Administrator shall not be
deemed to have notice of any Event of Default (other than resulting from a failure by the
Master Servicer to furnish information to the Securities Administrator when required to do
so) unless a Responsible Officer of the Securities Administrator has actual knowledge
thereof or unless written notice of any event which is in fact such a default is received by
the Securities Administrator at the address provided in Section 11.07, and such notice
references the Holders of the Certificates and this Agreement;

     (iv) No provision of this Agreement shall require the Trustee (regardless of the
capacity in which it is acting) or the Securities Administrator to expend or risk its own
funds or otherwise incur any financial liability in the performance of any of its duties
hereunder, or in the exercise of any of its rights or powers, if it shall have reasonable
grounds for believing that repayment of such funds or adequate indemnity against such risk
or liability is not reasonably assured to it; and none of the provisions contained in this
Agreement shall in any event require the Trustee or the Securities Administrator to

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perform,
or be responsible for the manner of performance of, any of the obligations of the Master
Servicer under this Agreement;

     (v) Neither the Trustee nor the Securities Administrator shall be responsible for any
act or omission of the Master Servicer, the Depositor, the Seller or the Custodian.

     (d) The Trustee shall have no duty hereunder with respect to any complaint, claim, demand,
notice or other document it may receive or which may be alleged to have been delivered to or served
upon it by the parties as a consequence of the assignment of any Mortgage Loan hereunder; provided,
however, that the Trustee shall promptly remit to the applicable Servicer upon receipt any such
complaint, claim, demand, notice or other document (i) which is delivered to the Corporate Trust
Office of the Trustee, (ii) of which a Responsible Officer has actual knowledge, and (iii) which
contains information sufficient to permit the Trustee to make a determination that the real
property to which such document relates is a Mortgaged Property.

     (e) Neither the Trustee nor the Securities Administrator shall be personally liable with
respect to any action taken, suffered or omitted to be taken by it in good faith in accordance with
the direction of the Certificateholders of any Class holding Certificates which evidence, as to
such Class, Percentage Interests aggregating not less than 25% as to the time, method and
place of conducting any proceeding for any remedy available to the Trustee or the Securities
Administrator or exercising any trust or power conferred upon the Trustee or the Securities
Administrator, as applicable, under this Agreement.

     (f) Neither the Trustee nor the Securities Administrator shall be required to perform services
under this Agreement, or to expend or risk its own funds or otherwise incur financial liability for
the performance of any of its duties hereunder or the exercise of any of its rights or powers if
there is reasonable ground for believing that the timely payment of its fees and expenses or the
repayment of such funds or adequate indemnity against such risk or liability is not reasonably
assured to it, and none of the provisions contained in this Agreement shall in any event require
the Trustee or the Securities Administrator, as applicable, to perform, or be responsible for the
manner of performance of, any of the obligations of the Master Servicer or any Servicer under this
Agreement or any Servicing Agreement except during such time, if any, as the Trustee shall be the
successor to, and be vested with the rights, duties, powers and privileges of, the Master Servicer
in accordance with the terms of this Agreement.

     (g) The Trustee shall not be held liable by reason of any insufficiency in the Distribution
Account or, if applicable, the Reserve Fund resulting from any investment loss on any Permitted
Investment included therein (except to the extent that the Trustee is the obligor and has defaulted
thereon).

     (h) Except as otherwise provided herein, neither the Trustee nor the Securities Administrator
shall have any duty (A) to see to any recording, filing, or depositing of this Agreement or any
agreement referred to herein or any financing statement or continuation statement evidencing a
security interest, or to see to the maintenance of any such recording or filing or depositing or to
any rerecording, refiling or redepositing of any thereof, (B) to see to any insurance, (C) to see
to the payment or discharge of any tax, assessment, or other

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governmental charge or any lien or
encumbrance of any kind owing with respect to, assessed or levied against, any part of the Trust
Fund other than from funds available in the Distribution Account, or (D) to confirm or verify the
contents of any reports or certificates of the Master Servicer or any Servicer delivered to the
Trustee or the Securities Administrator pursuant to this Agreement believed by the Trustee or the
Securities Administrator, as applicable, to be genuine and to have been signed or presented by the
proper party or parties.

     (i) Neither the Securities Administrator nor the Trustee shall be liable in its individual
capacity for an error of judgment made in good faith by a Responsible Officer or other officers of
the Trustee or the Securities Administrator, as applicable, unless it shall be proved that the
Trustee or the Securities Administrator, as applicable, was negligent in ascertaining the pertinent
facts.

     (j) Notwithstanding anything in this Agreement to the contrary, neither the Securities
Administrator nor the Trustee shall be liable for special, indirect or consequential losses or
damages of any kind whatsoever (including, but not limited to, lost profits), even if the Trustee
or the Securities Administrator, as applicable, has been advised of the likelihood of such loss or
damage and regardless of the form of action.

     (k) Neither the Securities Administrator nor the Trustee shall be responsible for the acts or
omissions of the other, it being understood that this Agreement shall not be construed to render
them agents of one another.

     Section 6.02 Certain Matters Affecting the Trustee and the Securities Administrator.

     Except as otherwise provided in Section 6.01:

     (i) Each of the Trustee and the Securities Administrator may request, and may rely and
shall be protected in acting or refraining from acting upon any resolution, Officer’s
Certificate, certificate of auditors or any other certificate, statement, instrument,
opinion, report, notice, request, consent, order, approval, 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) Each of the Trustee and the Securities Administrator may consult with counsel and
any advice of its counsel or Opinion of Counsel shall be full and complete authorization and
protection in respect of any action taken or suffered or omitted by it hereunder in good
faith and in accordance with such advice or Opinion of Counsel;

     (iii) Neither the Trustee nor the Securities Administrator shall be personally liable
for any action taken, suffered or omitted by it in good faith and reasonably believed by it
to be authorized or within the discretion or rights or powers conferred upon it by this
Agreement;

     (iv) Unless an Event of Default shall have occurred and be continuing, neither the
Trustee nor the Securities Administrator shall be bound to make any investigation into the
facts or matters stated in any resolution, certificate, statement, instrument,

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opinion,
report, notice, request, consent, order, approval, bond or other paper or document (provided
the same appears regular on its face), unless requested in writing to do so by the Holders
of at least a majority in Class Principal Amount (or Percentage Interest) of each Class of
Certificates; provided, however, that, if the payment within a reasonable time to the
Trustee or the Securities Administrator, as applicable, of the costs, expenses or
liabilities likely to be incurred by it in the making of such investigation is, in the
opinion of the Trustee or the Securities Administrator, as applicable, not reasonably
assured to the Trustee or the Securities Administrator by the security afforded to it by the
terms of this Agreement, the Trustee or the Securities Administrator, as applicable, may
require reasonable indemnity against such expense or liability or payment of such estimated
expenses from the Certificateholders as a condition to proceeding. The reasonable expense
thereof shall be paid by the party requesting such investigation and if not reimbursed by
the requesting party shall be reimbursed by the Trust Fund to the Trustee or the Securities
Administrator, as applicable;

     (v) Each of the Trustee and the Securities Administrator may execute any of the trusts
or powers hereunder or perform any duties hereunder either directly or by or through agents,
custodians or attorneys, which agents, custodians or attorneys shall have any and all of the
rights, powers, duties and obligations of the Trustee and the Securities Administrator
conferred on them by such appointment, provided that each of the Trustee and the Securities
Administrator shall continue to be responsible for its duties and obligations hereunder to
the extent provided herein, and provided further that neither the Trustee nor the Securities
Administrator shall be responsible for any misconduct or negligence on the part of any such
agent or attorney appointed with due care by the Trustee or the Securities Administrator, as
applicable;

     (vi) Neither the Trustee nor the Securities Administrator shall be under any obligation
to exercise any of the trusts or powers vested in it by this Agreement or to institute,
conduct or defend any litigation hereunder or in relation hereto, in each case 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 Trustee or the
Securities Administrator, as applicable, reasonable security or indemnity against the costs,
expenses and liabilities which may be incurred therein or thereby;

     (vii) The right of the Trustee and the Securities Administrator to perform any
discretionary act enumerated in this Agreement shall not be construed as a duty, and neither
the Trustee nor the Securities Administrator shall be answerable for other than its
negligence or willful misconduct in the performance of such act;

     (viii) Neither the Trustee nor the Securities Administrator shall be required to give
any bond or surety in respect of the execution of the Trust Fund created hereby or the
powers granted hereunder; and

     (ix) Neither the Trustee nor the Securities Administrator shall have any duty to
conduct any affirmative investigation as to the occurrence of any condition requiring the
repurchase of any Mortgage Loan by the Seller pursuant to this Agreement or the

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Mortgage
Loan Purchase Agreement, as applicable, or the eligibility of any Mortgage Loan for purposes
of this Agreement.

     In the event either of the Trustee or the Securities Administrator deem the nature of any
action required on its part to be unclear, the Trustee or the Securities Administrator, as
applicable, may require prior to such action that it be provided by the Depositor with reasonable
further instructions.

     Section 6.03 Trustee and Securities Administrator Not Liable for Certificates.

     The Trustee and the Securities Administrator make no representations as to the validity or
sufficiency of this Agreement or of the Certificates (other than the certificate of authentication
on the Certificates) or of any Mortgage Loan, or related document save that the Trustee and the
Securities Administrator represent that, assuming due execution and delivery by the other
parties hereto, this Agreement has been duly authorized, executed and delivered by it and
constitutes its valid and binding obligation, enforceable against it in accordance with its terms
except that such enforceability may be subject to (A) applicable bankruptcy and insolvency laws and
other similar laws affecting the enforcement of the rights of creditors generally, and (B) general
principles of equity regardless of whether such enforcement is considered in a proceeding in equity
or at law. The Trustee and the Securities Administrator shall not be accountable for the use or
application by the Depositor of funds paid to the Depositor in consideration of the assignment of
the Mortgage Loans to the Trust Fund by the Depositor or for the use or application of any funds
deposited into the Distribution Account or any other fund or account maintained with respect to the
Certificates. The Trustee and the Securities Administrator shall not be responsible for the
legality or validity of this Agreement or the validity, priority, perfection or sufficiency of the
security for the Certificates issued or intended to be issued hereunder. Except as otherwise
provided herein, the Trustee and the Securities Administrator shall have no 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 6.04 Trustee and the Securities Administrator May Own Certificates.

     The Trustee and the Securities Administrator and any Affiliate or agent of either of them in
its individual or any other capacity may become the owner or pledgee of Certificates and may
transact banking and trust business with the other parties hereto and their Affiliates with the
same rights it would have if it were not Trustee, Securities Administrator or such agent.

     Section 6.05 Eligibility Requirements for Trustee and Securities Administrator.

     The Trustee hereunder shall at all times (i) be an institution insured by the FDIC, (ii) be a
corporation or national banking association, organized and doing business under the laws of any
State or the United States of America, authorized under such laws to exercise corporate trust
powers, having a combined capital and surplus of not less than $50,000,000 and subject to
supervision or examination by federal or state authority and (iii) not be an Affiliate of the
Master Servicer or any Servicer. If such corporation or national banking association publishes
reports of

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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, the combined capital
and surplus of such corporation or national banking association shall be deemed to be its combined
capital and surplus as set forth in its most recent report of condition so published. In case at
any time the Trustee shall cease to be eligible in accordance with provisions of this Section, the
Trustee shall resign immediately in the manner and with the effect specified in Section 6.06.

     The Securities Administrator hereunder shall at all times (i) be an institution authorized to
exercise corporate trust powers under the laws of its jurisdiction of organization, (ii) be rated
at least “A/F1” by Fitch, or if not rated by Fitch, the equivalent rating by S&P or Moody’s
and (iii) not be an originator of Mortgage Loans, the Master Servicer, a Servicer, the Depositor,
or an Affiliate of the Depositor unless the Securities Administrator is in an institutional trust
department of the Securities Administrator.

     Section 6.06 Resignation and Removal of Trustee and the Securities Administrator.

     (a) Each of the Trustee and the Securities Administrator may at any time resign and be
discharged from the trust hereby created by giving 60 days’ written notice thereof to the Trustee
or the Securities Administrator, as applicable, the Depositor and the Master Servicer. Upon
receiving such notice of resignation, the Depositor will promptly appoint a successor trustee or a
successor securities administrator, as applicable, by written instrument, one copy of which
instrument shall be delivered to the resigning Trustee or resigning Securities Administrator, as
applicable, one copy to the successor trustee or successor securities administrator, as applicable,
and one copy to the Master Servicer. If no successor trustee or successor securities administrator
shall have been so appointed and shall have accepted appointment within 30 days after the giving of
such notice of resignation, the resigning Trustee or resigning Securities Administrator, as
applicable, may petition any court of competent jurisdiction for the appointment of a successor
trustee or successor securities administrator, as applicable. The Trustee shall notify the Rating
Agencies of any change of Securities Administrator.

     (b) If at any time any of the following events shall occur: (i) the Trustee or the Securities
Administrator ceases to be eligible in accordance with the provisions of Section 6.05 and fails to
resign after written request therefor by the Depositor, (ii) the Securities Administrator fails to
perform its obligations pursuant to Section 5.02 to make distributions to Certificateholders, which
failure continues unremedied for a period of one Business Day after the date upon which written
notice of such failure shall have been given to the Securities Administrator by the Trustee or the
Depositor, (iii) the Securities Administrator fails to provide an Item 1123 Certificate, Assessment
of Compliance or an Accountant’s Attestation required under Sections 6.22, 6.23 and 6.24,
respectively, by March 15 of each year in which Exchange Act reports are required, (iv) the Trustee
or the Securities Administrator becomes incapable of acting, or is adjudged a bankrupt or
insolvent, or a receiver of the Trustee or the Securities Administrator of its property is
appointed, or any public officer takes charge or control of the Trustee or the Securities
Administrator or of either of their property or affairs for the purpose of rehabilitation,
conservation or liquidation, (v) a tax is imposed or threatened with respect to the Trust Fund by
any state in which the Trustee or the Trust Fund held by the Trustee is located, or (vi) the
continued use of the Trustee or Securities Administrator would result in a downgrading of the

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rating by any Rating Agency of any Class of Certificates with a rating; then, in each such case,
the Depositor shall remove the Trustee or the Securities Administrator, as applicable, and the
Depositor shall appoint a successor trustee or successor securities administrator, as applicable,
acceptable to the Depositor or the Trustee by written instrument, one copy of which instrument
shall be delivered to the Trustee or Securities Administrator so removed, one copy each to the
successor trustee or successor securities administrator, as applicable, and one copy to the Master
Servicer.

     (c) The Holders of more than 50% of the Class Principal Amount (or Percentage Interest) of
each Class of Certificates may at any time upon 30 days’ written notice to the Trustee or the
Securities Administrator, as applicable, and to the Depositor remove the Trustee or the Securities
Administrator, as applicable, by such written instrument, signed by such Holders or their
attorney-in-fact duly authorized, one copy of which instrument shall be delivered to the Depositor,
one copy to the Trustee or Securities Administrator, as applicable and one copy to the Master
Servicer; the Depositor shall thereupon appoint a successor trustee or successor securities
administrator, as applicable, in accordance with this Section.

     (d) Any resignation or removal of the Trustee or the Securities Administrator, as applicable,
and appointment of a successor trustee or successor securities administrator pursuant to any of the
provisions of this Section shall become effective upon acceptance of appointment by the successor
trustee or the successor securities administrator, as applicable, as provided in Section 6.07.

     Section 6.07 Successor Trustee and Successor Securities Administrator.

     (a) Any successor trustee or successor securities administrator appointed as provided in
Section 6.06 shall execute, acknowledge and deliver to the Depositor and to its predecessor trustee
or predecessor securities administrator, as applicable, (i) an instrument accepting such
appointment hereunder and (ii) the certification required pursuant to the first sentence of Section
6.21(e), and thereupon the resignation or removal of the predecessor trustee or predecessor
securities administrator, as applicable, shall become effective and such successor trustee or
successor securities administrator, as applicable, without any further act, deed or conveyance,
shall become fully vested with all the rights, powers, duties and obligations of its predecessor
hereunder, with like effect as if originally named as trustee or securities administrator, as
applicable, herein. The predecessor trustee or predecessor securities administrator, as
applicable, shall deliver to the successor trustee (or assign to the Trustee its interest under the
Custody Agreement, to the extent permitted thereunder) or successor securities administrator, as
applicable, all Trustee Mortgage Files and documents and statements related to each Trustee
Mortgage File held by it hereunder, and shall duly assign, transfer, deliver and pay over to the
successor trustee the entire Trust Fund, together with all necessary instruments of transfer and
assignment or other documents properly executed necessary to effect such transfer and such of the
records or copies thereof maintained by the predecessor trustee in the administration hereof as may
be requested by the successor trustee and shall thereupon be discharged from all duties and
responsibilities under this Agreement. In addition, the Depositor and the predecessor trustee or
predecessor securities administrator, as applicable, shall execute and deliver such other
instruments and do such other things as may reasonably be required to more fully and certainly

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vest
and confirm in the successor trustee or successor securities administrator, as applicable, all such
rights, powers, duties and obligations.

     (b) No successor trustee shall accept appointment as provided in this Section unless at the
time of such appointment such successor trustee shall be eligible under the provisions of Section
6.05.

     (c) Upon acceptance of appointment by a successor trustee or successor securities
administrator, as applicable, as provided in this Section, the predecessor trustee or predecessor
securities administrator, as applicable, shall mail notice of the succession of such trustee or
securities administrator, as applicable, hereunder to all Holders of Certificates at their
addresses as shown in the Certificate Register and to any Rating Agency. The expenses of such
mailing shall be borne by the Master Servicer.

     Section 6.08 Merger or Consolidation of Trustee or the Securities Administrator.

     Any Person into which the Trustee or Securities Administrator may be merged or with which it
may be consolidated, or any Person resulting from any merger, conversion or consolidation to which
the Trustee or Securities Administrator shall be a party, or any Persons succeeding to the business
of the Trustee or Securities Administrator, shall be the successor to the Trustee or Securities
Administrator hereunder, 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, provided that,
in the case of the Trustee, such Person shall be eligible under the provisions of Section 6.05.

     Section 6.09 Appointment of Co-Trustee, Separate Trustee or Custodian.

     (a) Notwithstanding any other provisions hereof, at any time, the Trustee, the Depositor or
the Certificateholders evidencing more than 50% of the Class Principal Amount (or Percentage
Interest) of every Class of Certificates shall have the power from time to time to appoint one or
more Persons, approved by the Trustee, to act either as co-trustees jointly with the Trustee, or as
separate trustees, or as custodians, for the purpose of holding title to, foreclosing or otherwise
taking action with respect to any Mortgage Loan outside the state where the Trustee has its
principal place of business where such separate trustee or co-trustee is necessary or advisable (or
the Trustee has been advised by the Master Servicer that such separate trustee or co-trustee is
necessary or advisable) under the laws of any state in which a property securing a Mortgage Loan is
located or for the purpose of otherwise conforming to any legal requirement, restriction or
condition in any state in which a property securing a Mortgage Loan is located or in any state in
which any portion of the Trust Fund is located. The separate Trustees, co-trustees, or custodians
so appointed shall be trustees or custodians for the benefit of all the Certificateholders and
shall have such powers, rights and remedies as shall be specified in the instrument of appointment;
provided, however, that no such appointment shall, or shall be deemed to, constitute the appointee
an agent of the Trustee. The obligation of the Master Servicer to make Advances pursuant to
Section 5.04 hereof shall not be affected or assigned by the appointment of a co-trustee.

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     (b) Every separate trustee, co-trustee, and custodian shall, to the extent permitted by law,
be appointed and act subject to the following provisions and conditions:

     (i) all powers, duties, obligations and rights conferred upon the Trustee in respect of
the receipt, custody and payment of moneys shall be exercised solely by the Trustee;

     (ii) all other rights, powers, duties and obligations conferred or imposed upon the
Trustee shall be conferred or imposed upon and exercised or performed by the Trustee and
such separate trustee, co-trustee, or custodian jointly, except to the extent that under any
law of any jurisdiction in which any particular act or acts are to be performed the 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 Fund or any
portion thereof in any such jurisdiction, shall be exercised and performed by such separate
trustee, co-trustee, or custodian;

     (iii) no trustee or custodian hereunder shall be personally liable by reason of any act
or omission of any other trustee or custodian hereunder; and

     (iv) the Trustee may at any time, by an instrument in writing executed by it, with the
concurrence of the Depositor, accept the resignation of or remove any separate trustee,
co-trustee or custodian, so appointed by it or them, if such resignation or removal does not
violate the other terms of this Agreement.

     (c) Any notice, request or other writing given to the Trustee shall be deemed to have been
given to each of the then separate trustees and co-trustees, as effectively as if given to each of
them. Every instrument appointing any separate trustee, co-trustee or custodian shall refer to
this Agreement and the conditions of this Article VI. Each separate trustee and co-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 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 Trustee. Every such instrument shall be filed with the Trustee and a copy given to the Master
Servicer.

     (d) Any separate trustee, co-trustee or custodian may, at any time, constitute the Trustee its
agent or attorney-in-fact with full power and authority, to the extent not prohibited by law, to do
any lawful act under or in respect of this Agreement on its behalf and in its name. If any
separate trustee, co-trustee or custodian 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 Trustee, to the extent permitted by law, without the appointment of a new or successor
trustee.

     (e) No separate trustee, co-trustee or custodian hereunder shall be required to meet the terms
of eligibility as a successor trustee under Section 6.05 hereunder and no notice to the
Certificateholders of the appointment shall be required under Section 6.07 hereof.

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     (f) The Trustee agrees to instruct the co-trustees, if any, to the extent necessary to fulfill
the Trustee’s obligations hereunder.

     (g) The Trust shall pay the reasonable compensation of the co-trustees (which compensation
shall not reduce any compensation payable to the Trustee under such Section).

     Section 6.10 Authenticating Agents.

     (a) The Trustee may appoint one or more Authenticating Agents which shall be authorized to act
on behalf of the Trustee in authenticating Certificates. The Trustee hereby appoints the
Securities Administrator as initial Authenticating Agent, and the Securities Administrator accepts
such appointment. Wherever reference is made in this Agreement to the authentication of
Certificates by the Trustee or the Trustee’s certificate of authentication, such reference shall be
deemed to include authentication on behalf of the Trustee by an Authenticating Agent and a
certificate of authentication executed on behalf of the Trustee by an Authenticating Agent. Each
Authenticating Agent must be a national banking association or a corporation organized and doing
business under the laws of the United States of America or of any state, having a combined capital
and surplus of at least $15,000,000, authorized under such laws to do a trust business and subject
to supervision or examination by federal or state authorities.

     (b) Any Person into which any Authenticating Agent may be merged or converted or with which it
may be consolidated, or any Person resulting from any merger, conversion or consolidation to which
any Authenticating Agent shall be a party, or any Person succeeding to the corporate agency
business of any Authenticating Agent, shall continue to be the Authenticating Agent without the
execution or filing of any paper or any further act on the part of the Trustee or the
Authenticating Agent.

     (c) Any Authenticating Agent may at any time resign by giving at least 30 days’ advance
written notice of resignation to the Trustee and the Depositor. The Trustee may at any time
terminate the agency of any Authenticating Agent by giving written notice of termination to such
Authenticating Agent and the Depositor. Upon receiving a notice of resignation or upon such a
termination, or in case at any time any Authenticating Agent shall cease to be eligible in
accordance with the provisions of this Section 6.10, the Trustee may appoint a successor
authenticating agent, shall give written notice of such appointment to the Depositor and shall mail
notice of such appointment to all Holders of Certificates. Any successor authenticating agent upon
acceptance of its appointment hereunder shall become vested with all the rights, powers, duties and
responsibilities of its predecessor hereunder, with like effect as if originally named as
Authenticating Agent. No successor authenticating agent shall be appointed unless eligible under
the provisions of this Section 6.10. No Authenticating Agent shall have responsibility or
liability for any action taken by it as such at the direction of the Trustee or in accordance with
the provisions of this Agreement.

     Section 6.11 Indemnification of the Trustee and the Securities Administrator.

     The Trustee and the Securities Administrator and their respective directors, officers,
employees and agents shall be entitled to indemnification from the Depositor and the Trust Fund

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(provided that the Trust Fund’s indemnification under this Section 6.11 is limited by Section
4.01(d)) for any loss, liability or expense (including, without limitation, reasonable attorneys’
fees and disbursements (and, in the case of the Trustee, in connection with the Custody Agreement,
including the reasonable compensation and the expenses and disbursements of its agents or counsel),
incurred without negligence or willful misconduct on their part, arising out of, or in connection
with, the acceptance or administration of the trusts created hereunder or in connection with the
performance of their duties hereunder including the costs and expenses of defending themselves
against any claim in connection with the exercise or performance of any of their powers or duties
hereunder, provided that:

     (i) with respect to any such claim, the Trustee or the Securities Administrator, as
applicable, shall have given the Depositor written notice thereof promptly after the
Trustee, the Securities Administrator, as applicable, shall have knowledge thereof;

     (ii) while maintaining control over its own defense, the Trustee or the Securities
Administrator, as applicable, shall cooperate and consult fully with the Depositor in
preparing such defense; and

     (iii) notwithstanding anything to the contrary in this Section 6.11, the Trust Fund
shall not be liable for settlement of any such claim by the Trustee or the Securities
Administrator, as applicable, entered into without the prior consent of the Depositor, which
consent shall not be unreasonably withheld.

     The provisions of this Section 6.11 shall survive any termination of this Agreement and the
resignation or removal of the Trustee or the Securities Administrator, as applicable, and shall be
construed to include, but not be limited to any loss, liability or expense under any environmental
law.

     Section 6.12 Fees and Expenses of Securities Administrator and the Trustee.

     (a) Compensation for the services of the Securities Administrator hereunder shall be paid from
the Master Servicing Fee. The Securities Administrator shall be entitled to all disbursements and
advancements incurred or made by the Securities Administrator in accordance with this Agreement
(including fees and expenses of its counsel and all persons not regularly in its employment),
except any such expenses arising from its negligence, bad faith or willful misconduct. Wells Fargo
Bank, N.A. shall act as Securities Administrator for so long as it is Master Servicer under this
Agreement.

     (b) As compensation for its services hereunder, the Trustee shall be entitled to receive a
Trustee fee equal to $3,500 per annum, which shall be paid by the Master Servicer pursuant to a
separate agreement between the Trustee and the Master Servicer. Any expenses incurred by the
Trustee shall be reimbursed in accordance with Section 6.11.

     Section 6.13 Collection of Monies.

     Except as otherwise expressly provided in this Agreement, the Trustee and the Securities
Administrator may demand payment or delivery of, and shall receive and collect, all money and

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other
property payable to or receivable by the it pursuant to this Agreement. The Trustee or the
Securities Administrator, as applicable, shall hold all such money and property received by it as
part of the Trust Fund and shall distribute it as provided in this Agreement.

     Section 6.14 Events of Default; Trustee To Act; Appointment of Successor.

     (a) The occurrence of any one or more of the following events shall constitute an “Event of
Default”:

     (i) Any failure by the Master Servicer to furnish the Securities Administrator the
Mortgage Loan data sufficient to prepare the reports described in Section 4.04 which
continues unremedied for a period of one Business Day after the date upon which written
notice of such failure shall have been given to such Master Servicer by the Trustee or the
Securities Administrator or to such Master Servicer, the Securities Administrator and the
Trustee by the Holders of not less than 25% of the Class Principal Amount (or Class Notional
Amount) of each Class of Certificates affected thereby; or

     (ii) Any failure by the Master Servicer to deliver to the Depositor and the Seller the
information or reports required pursuant to Section 9.01(e) through (g) hereto;

     (iii) Any failure on the part of the Master Servicer duly to observe or perform in any
material respect any other of the covenants or agreements (other than those referred to in
(viii) and (ix) below) on the part of the Master Servicer contained in this Agreement which
continues unremedied for a period of 30 days after the date on which written notice of such
failure, requiring the same to be remedied, shall have been given to the Master Servicer by
the Trustee or the Securities Administrator, or to the Master Servicer, the Securities
Administrator and the Trustee by the Holders of more than 50% of the Aggregate Voting
Interests of the Certificates (or in the case of a breach of its obligation to provide an
Item 1123 Certificate, an Assessment of Compliance or an Accountant’s Attestation pursuant
to Sections 6.22, 6.23 and 6.24, immediately without a cure period); or

     (iv) A decree or order of a court or agency or supervisory authority having
jurisdiction for the appointment of a conservator or receiver or liquidator in any
insolvency, readjustment of debt, marshalling of assets and liabilities or similar
proceedings, or for the winding-up or liquidation of its affairs, shall have been entered
against the Master Servicer, and such decree or order shall have remained in force
undischarged or unstayed for a period of 60 days or any Rating Agency reduces or withdraws
or threatens to reduce or withdraw the rating of the Certificates because of the financial
condition or loan servicing capability of such Master Servicer; or

     (v) The Master Servicer shall consent to the appointment of a conservator or receiver
or liquidator in any insolvency, readjustment of debt, marshalling of assets and
liabilities, voluntary liquidation or similar proceedings of or relating to the Master
Servicer or of or relating to all or substantially all of its property; or

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

     (vii) The Master Servicer shall be dissolved, or shall dispose of all or substantially
all of its assets, or consolidate with or merge into another entity or shall permit another
entity to consolidate or merge into it, such that the resulting entity does not meet the
criteria for a successor servicer as specified in Section 9.05 hereof; or

     (viii) If a representation or warranty set forth in Section 9.03 hereof shall prove to
be incorrect as of the time made in any respect that materially and adversely affects the
interests of the Certificateholders, and the circumstance or condition in respect of which
such representation or warranty was incorrect shall not have been eliminated or cured within
30 days after the date on which written notice of such incorrect representation or warranty
shall have been given to the Master Servicer by the Trustee or the Securities Administrator,
or to the Master Servicer, the Securities Administrator and the Trustee by the Holders of
more than 50% of the Aggregate Voting Interests of the Certificates; or

     (ix) A sale or pledge of any of the rights of the Master Servicer hereunder or an
assignment of this Agreement by the Master Servicer or a delegation of the rights or duties
of the Master Servicer hereunder shall have occurred in any manner not otherwise permitted
hereunder and without the prior written consent of the Trustee and Certificateholders
holding more than 50% of the Aggregate Voting Interests of the Certificates; or

     (x) After receipt of notice from the Trustee, any failure of the Master Servicer to
make any Advances when such Advances are due, which failure continues unremedied for a
period of one Business Day.

     If an Event of Default described in clauses (i) through (ix) of this Section shall occur,
then, in each and every case, subject to applicable law, so long as any such Event of Default shall
not have been remedied within any period of time prescribed by this Section, the Trustee, by notice
in writing to the Master Servicer may, and, if so directed by Certificateholders evidencing
more than 50% of the Class Principal Amount (or Class Notional Amount) of each Class of
Certificates, or upon the occurrence of an Event of Default described in clause (x) of this
Section, shall, terminate all of the rights and obligations of the Master Servicer
hereunder and in and to the Mortgage Loans and the proceeds thereof. On or after the receipt by
the Master Servicer of such written notice, all authority and power of the Master Servicer, and
only in its capacity as Master Servicer under this Agreement, whether with respect to the Mortgage
Loans or otherwise, shall pass to and be vested in the Trustee; and the Trustee is hereby
authorized and
empowered to execute and deliver, on behalf of the defaulting Master Servicer as
attorney-in-fact or otherwise, any and all documents and other instruments, and to do or accomplish
all other acts or things necessary or appropriate to effect the purposes of such notice of
termination, whether to complete the transfer and endorsement or assignment of the Mortgage Loans
and related documents or otherwise. The defaulting Master Servicer agrees to cooperate with the
Trustee

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and the Securities Administrator in effecting the termination of the defaulting Master
Servicer’s responsibilities and rights hereunder as Master Servicer including, without limitation,
notifying Servicers of the assignment of the master servicing function and providing the Trustee or
its designee all documents and records in electronic or other form reasonably requested by it to
enable the Trustee or its designee to assume the defaulting Master Servicer’s functions hereunder
and the transfer to the Trustee for administration by it of all amounts which shall at the time be
or should have been deposited by the defaulting Master Servicer in the Distribution Account and any
other account or fund maintained with respect to the Certificates or thereafter received with
respect to the Mortgage Loans. The Master Servicer being terminated shall bear all costs of a
master servicing transfer, including but not limited to those of the Trustee or Securities
Administrator reasonably allocable to specific employees and overhead, legal fees and expenses,
accounting and financial consulting fees and expenses, and costs of amending this Agreement, if
necessary.

     Notwithstanding the termination of its activities as Master Servicer, each terminated Master
Servicer shall continue to be entitled to reimbursement under this Agreement to the extent such
reimbursement relates to the period prior to such Master Servicer’s termination.

     If any Event of Default shall occur, the Trustee, upon becoming aware of the occurrence
thereof, shall promptly notify the Securities Administrator and each Rating Agency of the nature
and extent of such Event of Default. The Trustee or the Securities Administrator shall immediately
give written notice to the Master Servicer upon the Master Servicer’s failure to make Advances as
required under this Agreement.

     (b) On and after the time the Master Servicer receives a notice of termination from the
Trustee pursuant to Section 6.14(a) or the Trustee receives the resignation of the Master Servicer
evidenced by an Opinion of Counsel pursuant to Section 9.06, the Trustee, unless another master
servicer shall have been appointed, shall be the successor in all respects to the Master Servicer
in its capacity as such under this Agreement and the transactions set forth or provided for herein
and shall have all the rights and powers and be subject to all the responsibilities, duties and
liabilities relating thereto and arising thereafter placed on the Master Servicer hereunder,
including (but subject to applicable law) the obligation to make Advances in accordance with
Section 5.04; provided, however, that any failure to perform such duties or responsibilities caused
by the Master Servicer’s failure to provide information required by this Agreement shall not be
considered a default by the Trustee hereunder. In addition, the Trustee shall have no
responsibility for any act or omission of the Master Servicer prior to the issuance of any notice
of termination. The Trustee shall have no liability relating to the representations and warranties
of the Master Servicer set forth in Section 9.03. In the Trustee’s capacity as such successor, the
Trustee shall have the same limitations on liability herein granted to the Master Servicer. As
compensation therefor, the Trustee shall be entitled to receive all compensation payable to the
Master Servicer under this Agreement, including the Master Servicing Fee.

     (c) Notwithstanding the above, the Trustee may, if it shall be unwilling to continue to so
act, or shall, if it is unable to so act, petition a court of competent jurisdiction to appoint, or
appoint on its own behalf any established housing and home finance institution servicer, master
servicer, servicing or mortgage servicing institution having a net worth of not less than

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$15,000,000 and meeting such other standards for a successor master servicer as are set forth in
this Agreement, as the successor to such Master Servicer in the assumption of all of the
responsibilities, duties or liabilities of a master servicer, like the Master Servicer. Any entity
designated by the Trustee as a successor master servicer may be an Affiliate of the Trustee;
provided, however, that, unless such Affiliate meets the net worth requirements and other standards
set forth herein for a successor master servicer, the Trustee, in its individual capacity shall
agree, at the time of such designation, to be and remain liable to the Trust Fund for such
Affiliate’s actions and omissions in performing its duties hereunder. In connection with such
appointment and assumption, the Trustee may make such arrangements for the compensation of such
successor out of payments on Mortgage Loans as it and such successor shall agree; provided,
however, that no such compensation shall be in excess of that permitted to the Master Servicer
hereunder. Notwithstanding anything herein to the contrary, in no event shall the Trustee be
liable for any Master Servicing Fee or for any differential in the amount of the Master Servicing
Fee paid hereunder and the amount necessary to induce any successor master servicer to act as
successor master servicer under this Agreement and the transactions set forth or provided for
herein. The Trustee and such successor shall take such actions, consistent with this Agreement, as
shall be necessary to effectuate any such succession and may make other arrangements with respect
to the servicing to be conducted hereunder which are not inconsistent herewith. The Master
Servicer shall cooperate with the Trustee and any successor master servicer in effecting the
termination of the Master Servicer’s responsibilities and rights hereunder including, without
limitation, notifying Mortgagors of the assignment of the master servicing functions and providing
the Trustee and successor master servicer, as applicable, all documents and records in electronic
or other form reasonably requested by it to enable it to assume the Master Servicer’s functions
hereunder and the transfer to the Trustee or such successor master servicer, as applicable, all
amounts which shall at the time be or should have been deposited by the Master Servicer in the
Distribution Account and any other account or fund maintained with respect to the Certificates or
thereafter be received with respect to the Mortgage Loans. Neither the Trustee nor any other
successor master servicer shall be deemed to be in default hereunder by reason of any failure to
make, or any delay in making, any distribution hereunder or any portion thereof caused by (i) the
failure of the Master Servicer to deliver, or any delay in delivering, cash, documents or records
to it, (ii) the failure of the Master Servicer to cooperate as required by this Agreement, (iii)
the failure of the Master Servicer to deliver the Mortgage Loan data to the Trustee as required by
this Agreement or (iv) restrictions imposed by any regulatory authority having jurisdiction over
the Master Servicer. No successor master servicer shall be deemed to be in default hereunder by
reason of any failure to make, or any delay in making, any distribution hereunder or any portion
thereof caused by (i) the failure of the Trustee to deliver, or any delay in delivering cash,
documents or records to it related to such distribution, or (ii) the failure of Trustee to
cooperate as required by this Agreement.

     Any successor master servicer shall execute and deliver to the Depositor, the Seller and the
predecessor Master Servicer the certification required pursuant to the first sentence of Section
6.21(e).

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     Section 6.15 Additional Remedies of Trustee Upon Event of Default.

     During the continuance of any Event of Default, so long as such Event of Default shall not
have been remedied, the Trustee, in addition to the rights specified in Section 6.14, shall have
the right, in its own name and as trustee of the Trust Fund, to take all actions now or hereafter
existing at law, in equity or by statute to enforce its rights and remedies and to protect the
interests, and enforce the rights and remedies, of the Certificateholders (including the
institution and prosecution of all judicial, administrative and other proceedings and the filings
of proofs of claim and debt in connection therewith). Except as otherwise expressly provided in
this Agreement, no remedy provided for by this Agreement shall be exclusive of any other remedy,
and each and every remedy shall be cumulative and in addition to any other remedy, and no delay or
omission to exercise any right or remedy shall impair any such right or remedy or shall be deemed
to be a waiver of any Event of Default.

     Section 6.16 Waiver of Defaults.

     More than 50% of the Aggregate Voting Interests of the Certificateholders may waive any
default or Event of Default by the Master Servicer in the performance of its obligations hereunder,
except that a default in the making of any required deposit to the Distribution Account that would
result in a failure of the Paying Agent to make any required payment of principal of or interest on
the Certificates may only be waived with the consent of 100% of the affected Certificateholders.
Upon any such waiver of a past default, such default shall cease to exist, and any Event of Default
arising therefrom shall be deemed to have been remedied for every purpose of this Agreement. No
such waiver shall extend to any subsequent or other default or impair any right consequent thereon
except to the extent expressly so waived.

     Section 6.17 Notification to Holders.

     Upon termination of the Master Servicer or appointment of a successor to the Master Servicer,
in each case as provided herein, the Trustee shall promptly mail notice thereof by first class mail
to the Securities Administrator, and the Certificateholders at their respective addresses appearing
on the Certificate Register. The Trustee shall also, within 45 days after the occurrence of any
Event of Default known to the Trustee, give written notice thereof to the Securities Administrator
and the Certificateholders, unless such Event of Default shall have been cured or waived prior to
the issuance of such notice and within such 45-day period.

     Section 6.18 Directions by Certificateholders and Duties of Trustee During Event of Default.

     Subject to the provisions of Section 8.01 hereof, during the continuance of any Event of
Default, Holders of Certificates evidencing not less than 25% of the Class Principal Amount (or
Percentage Interest) of each Class of Certificates affected thereby may direct the time, method
and place of conducting any proceeding for any remedy available to the Trustee, or exercising
any trust or power conferred upon the Trustee, under this Agreement; provided, however, that the
Trustee shall be under no obligation to pursue any such remedy, or to exercise any of the trusts or
powers vested in it by this Agreement (including, without limitation, (i) the conducting or

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defending of any administrative action or litigation hereunder or in relation hereto and (ii) the
terminating of the Master Servicer or any successor master servicer from its rights and duties as
master servicer hereunder) at the request, order or direction of any of the Certificateholders,
unless such Certificateholders shall have offered to the Trustee reasonable security or indemnity
against the cost, expenses and liabilities which may be incurred therein or thereby; and, provided
further, that, subject to the provisions of Section 8.01, the Trustee shall have the right to
decline to follow any such direction if the Trustee, in accordance with an Opinion of Counsel,
determines that the action or proceeding so directed may not lawfully be taken or if the Trustee in
good faith determines that the action or proceeding so directed would involve it in personal
liability for which it is not indemnified to its satisfaction or be unjustly prejudicial to the
non-assenting Certificateholders.

     Section 6.19 [Reserved]

     Section 6.20 Preparation of Tax Returns and Other Reports.

     (a) The Securities Administrator shall prepare or cause to be prepared on behalf of the Trust
Fund, based upon information calculated in accordance with this Agreement pursuant to instructions
given by the Depositor, and the Securities Administrator shall file federal tax returns, all in
accordance with Article X hereof. If the Securities Administrator is notified in writing that a
state tax return or other return is required, then, at the sole expense of the Trust Fund, the
Securities Administrator shall prepare and file such state income tax returns and such other
returns as may be required by applicable law relating to the Trust Fund, and, if required by state
law, and shall file any other documents to the extent required by applicable state tax law (to the
extent such documents are in the Securities Administrator’s possession). The Securities
Administrator shall forward copies to the Depositor of all such returns and Form 1099 supplemental
tax information and such other information within the control of the Securities Administrator as
the Depositor may reasonably request in writing, and shall distribute to each Certificateholder
such forms and furnish such information within the control of the Securities Administrator as are
required by the Code and the REMIC Provisions to be furnished to them, and will prepare and
distribute to Certificateholders Form 1099 (supplemental tax information) (or otherwise furnish
information within the control of the Securities Administrator and the Trustee) to the extent
required by applicable law. The Master Servicer will indemnify the Securities Administrator and
the Trustee for any liability of or assessment against the Securities Administrator and the
Trustee, as applicable, resulting from any error in any of such tax or information returns directly
resulting from errors in the information provided by such Master Servicer.

     (b) The Securities Administrator shall prepare and file with the Internal Revenue Service
(“IRS”), on behalf of the Trust Fund and each REMIC created hereunder, an application for an
employer identification number on IRS Form SS-4 or by any other acceptable method.
The Securities Administrator shall also file a Form 8811 as required. The Securities
Administrator, upon receipt from the IRS of the Notice of Taxpayer Identification Number Assigned,
shall upon request promptly forward a copy of such notice to the Trustee and the Depositor. The
Securities Administrator shall furnish any other information that is required by the Code and
regulations thereunder to be made available to the Certificateholders. The Master

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Servicer shall
cause each Servicer to provide the Securities Administrator with such information as is necessary
for the Securities Administrator to prepare such reports.

     Section 6.21 Reporting to the Commission.

     Each of Form 10-D and Form 10-K requires the registrant to indicate (by checking “yes” or
“no”) that it “(1) has filed all reports required to be filed by Section 13 or 15(d) of the
Exchange Act during the preceding 12 months (or for such shorter period that the registrant was
required to file such reports), and (2) has been subject to such filing requirements for the past
90 days.” The Depositor hereby represents to the Securities Administrator that the Depositor has
filed all such required reports during the preceding 12 months and that it has been subject to such
filing requirement for the past 90 days. The Depositor shall notify the Securities Administrator
in writing, no later than the fifth calendar day after the related Distribution Date with respect
to the filing of a report on Form 10-D and no later than March 15th with respect to the
filing of a report on Form 10-K, if the answer to the questions should be “no.” The Securities
Administrator shall be entitled to rely on such representations in preparing, executing and/or
filing any such report.

     (a) Reports Filed on Form 10-D.

     (i) Within 15 days after each Distribution Date (subject to permitted extensions under
the Exchange Act), the Securities Administrator shall prepare and file on behalf of the
Trust Fund any Form 10-D required by the Exchange Act, in form and substance as required by
the Exchange Act. The Securities Administrator shall file each Form 10-D with a copy of the
related Distribution Date Statement attached thereto. Any disclosure in addition to the
Distribution Date Statement that is required to be included on Form 10-D (“Additional Form
10-D Disclosure”) shall be reported by the parties set forth on Exhibit O hereto to the
Depositor and the Securities Administrator and reviewed and approved or disapproved by the
Depositor pursuant to the following paragraph and the Securities Administrator will have no
duty or liability for any failure hereunder to determine or prepare any Additional Form 10-D
Disclosure, except as set forth in the next paragraph.

     (ii) As set forth on Exhibit O hereto, within 5 calendar days after the related
Distribution Date, (i) the parties set forth thereon shall be required to provide to the
Securities Administrator and the Depositor, to the extent known by a responsible party
thereof, in EDGAR-compatible form, or in such other form as otherwise agreed upon by the
Securities Administrator and such party, the form and substance of any Additional Form 10-D
Disclosure, if applicable together with an additional disclosure notification in the form of
Exhibit L hereto (an “Additional Disclosure Notification”) and (ii) the
Depositor will approve, as to form and substance, or disapprove, as the case may be,
the inclusion of the Additional Form 10-D Disclosure on Form 10-D. The Depositor will be
responsible for any reasonable fees and expenses assessed or incurred by the Securities
Administrator in connection with including any Additional Form 10-D Disclosure on Form 10-D
pursuant to this paragraph.

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     (iii) After preparing the Form 10-D, the Securities Administrator shall forward
electronically a copy of the Form 10-D to the Depositor for review. The Securities
Administrator will provide a copy of the Form 10-D to the Depositor by the 11th
calendar day after the related Distribution Date. On the 12th calendar day after
the related Distribution Date, the Depositor will provide any changes or approval to the
Securities Administrator (which may be furnished electronically). In the absence of receipt
of any written changes or approval, the Securities Administrator shall be entitled to assume
that such Form 10-D is in final form and the Securities Administrator may proceed with the
execution and filing of the Form 10-D. No later than the 13th calendar day after
the related Distribution Date, a duly authorized representative of the Master Servicer in
charge of the master servicing function shall sign the Form 10-D and return an electronic or
fax copy of such signed Form 10-D (with an original executed hard copy to follow by
overnight mail) to the Securities Administrator. If a Form 10-D cannot be filed on time or
if a previously filed Form 10-D needs to be amended, the Securities Administrator will
follow the procedures set forth in subsection (d)(ii) of this Section 6.21. Promptly (but
no later than 1 Business Day) after filing with the Commission, the Securities Administrator
will make available on its internet website a final executed copy of each Form 10-D prepared
and filed by the Securities Administrator. Each party to this Agreement acknowledges that
the performance by the Securities Administrator of its duties under this Section 6.21(a)
related to the timely preparation, execution and filing of Form 10-D is contingent upon such
parties strictly observing all applicable deadlines in the performance of their duties under
this Section 6.21(a). The Securities Administrator shall not have any liability for any
loss, expense, damage or claim arising out of or with respect to any failure to properly
prepare, execute and/or timely file such Form 10-D, where such failure results from the
Securities Administrator’s inability or failure to obtain or receive, on a timely basis, any
information from any other party hereto needed to prepare, arrange for execution or file
such Form 10-D, not resulting from its own negligence, bad faith or willful misconduct.

     (b) Reports Filed on Form 10-K.

     (i) On or prior to the 90th day after the end of each fiscal year of the Trust Fund or
such earlier date as may be required by the Exchange Act (the “10-K Filing
Deadline”) (it being understood that the fiscal year for the Trust Fund ends on December
31st of each year), commencing in March 2008, the Securities Administrator shall
prepare and file on behalf of the Trust Fund any Form 10-K required by the Exchange Act, in
form and substance as required by the Exchange Act. Each such Form 10-K shall include the
following items, in each case to the extent they have been delivered to the Securities
Administrator within the applicable time frames set forth in this Agreement, the Custody
Agreement and the related Servicing Agreement, (i) the Item 1123 Certificate for each
Servicer, each Additional Servicer, the Master Servicer and Securities Administrator as
described under Section 6.22, (ii)(A) the Assessment of Compliance with servicing criteria
for each Servicer, each Servicing Function Participant, the Master Servicer, Securities
Administrator and any Servicing Function Participant engaged by such parties (each, a
“Reporting Servicer”), as described under Section 6.23, and (B) if any Reporting
Servicer’s Assessment of Compliance identifies any material instance of noncompliance,

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disclosure identifying such instance of noncompliance,
or if any Reporting Servicer’s
Assessment of Compliance is not included as an exhibit to such Form 10-K, disclosure that
such report is not included and an explanation why such report is not included, (iii)(A) the
Accountant’s Attestation for each Reporting Servicer, as described under Section 6.24, and
(B) if any Accountant’s Attestation identifies any material instance of noncompliance,
disclosure identifying such instance of noncompliance, or if any such Accountant’s
Attestation is not included as an exhibit to such Form 10-K, disclosure that such report is
not included and an explanation why such report is not included, and (iv) a Sarbanes-Oxley
Certification as described in Section 6.21(e) (provided, however, that the
Securities Administrator, at its discretion may omit from the Form 10-K any annual
compliance statement, Assessment of Compliance or Accountant’s Attestation that is not
required to be filed with such Form 10-K pursuant to Regulation AB). Any disclosure or
information in addition to (i) through (iv) above that is required to be included on Form
10-K (“Additional Form 10-K Disclosure”) shall be reported by the parties set forth
on Exhibit P hereto to the Depositor and the Securities Administrator and reviewed and
approved or disapproved by the Depositor pursuant to the following paragraph and the
Securities Administrator will have no duty or liability for any failure hereunder to
determine or prepare any Additional Form 10-K Disclosure, except as set forth in the next
paragraph..

     (ii) As set forth on Exhibit P hereto, no later than March 15 following each fiscal
year that the Trust Fund is subject to the Exchange Act reporting requirements, commencing
in March 2008, (i) the parties set forth on Exhibit W shall be required to provide to the
Securities Administrator and the Depositor, to the extent known by a responsible officer, a
notice in the form of Exhibit L hereto, along with, in EDGAR-compatible form, or in such
other form as otherwise agreed upon by the Securities Administrator and such party, the form
and substance of any Additional Form 10-K Disclosure, if applicable, together with an
Additional Disclosure Notification and (ii) the Depositor will approve, as to form and
substance, or disapprove, as the case may be, the inclusion of the Additional Form 10-K
Disclosure on Form 10-K. The Depositor will be responsible for any reasonable fees and
expenses assessed or incurred by the Securities Administrator in connection with including
any Additional Form 10-K Disclosure on Form 10-K pursuant to this paragraph.

     (iii) After preparing the Form 10-K, the Securities Administrator shall forward
electronically a copy of the Form 10-K to the Depositor for review. Within three (3)
business days of receipt, but in no event later than March 25, the Depositor shall notify
the Securities Administrator in writing (which may be furnished electronically) of any
changes to or approval of such Form 10-K. In the absence of any written changes or
approval, the Securities Administrator shall be entitled to assume that such Form 10-K is
in final form. No later than the close of business on the 4th Business Day prior to
the 10-K Filing Deadline, the Depositor shall sign the Form 10-K and return an electronic or
fax copy of such signed Form 10-K (with an original executed hard copy to follow by
overnight mail) to the Securities Administrator. If a Form 10-K cannot be filed on time or
if a previously filed Form 10-K needs to be amended, the Securities Administrator will
follow the procedures set forth in Section 6.21(d). Promptly (but no later than 1 Business

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Day) after filing with the Commission, the Securities Administrator will make available on
its internet website a final executed copy of each Form 10-K prepared and filed by the
Securities Administrator. The parties to this Agreement acknowledge that the performance by
the Securities Administrator of its duties under this Section 6.21(b) related to the timely
preparation and filing of Form 10-K is contingent upon such parties (and the Custodian,
Servicers and any Additional Servicer or Servicing Function Participant) strictly observing
all applicable deadlines in the performance of their duties under Sections 6.21, 6.22, 6.23,
6.24 and 11.16. The Securities Administrator shall not have any liability for any loss,
expense, damage or claim arising out of or with respect to any failure to properly prepare
and/or timely file such Form 10-K, where such failure results from the Securities
Administrator’s inability or failure to obtain or receive, on a timely basis, any
information from any other party hereto needed to prepare, arrange for execution or file
such Form 10-K, not resulting from its own negligence, bad faith or willful misconduct.

     (c) Reports Filed on Form 8-K.

     (i) Within four (4) Business Days after the occurrence of an event requiring disclosure
on Form 8-K (each such event, a “Reportable Event”), and if requested by the
Depositor, the Securities Administrator shall prepare and file on behalf of the Trust Fund
any Form 8-K, as required by the Exchange Act, provided that the Depositor shall
file the initial Form 8-K in connection with the issuance of the Certificates. Any
disclosure or information related to a Reportable Event or that is otherwise required to be
included on Form 8-K (“Form 8-K Disclosure Information”) shall be reported by the
parties set forth on Exhibit Q hereto to the Depositor and the Securities Administrator and
reviewed and approved or disapproved by the Depositor pursuant to the following paragraph
and the Securities Administrator will have no duty or liability for any failure hereunder to
determine or prepare any Form 8-K Disclosure Information or any Form 8-K, except as set
forth in the next paragraph.

     (ii) As set forth on Exhibit Q hereto, for so long as the Trust Fund is subject to the
Exchange Act reporting requirements, no later than the end of business (New York City time)
on the 2nd Business Day after the occurrence of a Reportable Event (i) the parties to this
transaction shall be required to provide to the Securities Administrator and the Depositor,
to the extent known by a responsible officer thereof, a notice in the form of Exhibit L
attached hereto, along with, in EDGAR-compatible form, or in such other form as otherwise
agreed upon by the Securities Administrator and such party, the form and substance of any
Form 8-K Disclosure Information, if applicable, together with an Additional Disclosure
Notification and (ii) the Depositor will approve, as to form and substance, or disapprove,
as the case may be, the inclusion of the Form 8-K Disclosure
Information. The Depositor will be responsible for any reasonable fees and expenses
assessed or incurred by the Securities Administrator in connection with including any Form
8-K Disclosure Information on Form 8-K pursuant to this paragraph.

     (iii) After preparing the Form 8-K, the Securities Administrator shall forward
electronically a copy of the Form 8-K to the Depositor for review. Promptly, but no later

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than the close of business on the 3rd Business Day after the Reportable Event, the Depositor
shall notify the Securities Administrator in writing (which may be furnished electronically)
of any changes to or approval of such Form 8-K. In the absence of receipt of any written
changes or approval, the Securities Administrator shall be entitled to assume that such Form
8-K is in final form and the Securities Administrator may proceed with the execution and
filing of the Form 8-K. No later than noon New York City time on the 4th Business Day after
the Reportable Event, the Depositor shall sign the Form 8-K and return an electronic or fax
copy of such signed Form 8-K (with an original executed hard copy to follow by overnight
mail) to the Securities Administrator. If a Form 8-K cannot be filed on time or if a
previously filed Form 8-K needs to be amended, the Securities Administrator will follow the
procedures set forth in Section 6.21(d). Promptly (but no later than 1 Business Day) after
filing with the Commission, the Securities Administrator will make available on its internet
website a final executed copy of each Form 8-K prepared and filed by the Securities
Administrator. The parties to this Agreement acknowledge that the performance by the
Securities Administrator of its duties under this Section 6.21(c) related to the timely
preparation and filing of Form 8-K is contingent upon such parties strictly observing all
applicable deadlines in the performance of their duties under this Section 6.21(c)(ii). The
Securities Administrator shall not have any liability for any loss, expense, damage or claim
arising out of or with respect to any failure to properly prepare and/or timely file such
Form 8-K, where such failure results from the Securities Administrator’s inability or
failure to obtain or receive, on a timely basis, any information from any other party hereto
needed to prepare, arrange for execution or file such Form 8-K, not resulting from its own
negligence, bad faith or willful misconduct.

     (d) Delisting; Amendments; Late Filings.

     (i) If directed to do so by the Depositor, on or before January 30, 2008, the
Securities Administrator shall, in accordance with industry standards, file a Form 15
Suspension Notification with respect to the Trust Fund under the Exchange Act (a “Form 15”).
Subsequent to the filing of a Form 15, if the Depositor determines that the Trust Fund has
once again become subject to the Exchange Act reporting requirements, then, at that time
and, thereafter, prior to January 30 of the following calendar year, the Securities
Administrator shall, if directed to do so by the Depositor, in accordance with industry
standards, file a Form 15.

     In connection with any direct offering of Certificates by the Depositor, in an offering
registered with the Commission, subsequent to the filing of a Form 15 pursuant to the
preceding paragraph: (i) the Depositor shall notify the Securities Administrator in writing
not less than 10 days prior to the date on which such offering will be made; (ii)
the Depositor shall cause to be prepared and filed the initial current report on Form
8-K required to be filed in connection with such offering; (iii) the Securities
Administrator, as directed by the Depositor, shall file a report on Form 10-D for the
Distribution Date following the month in which such offering occurs and, thereafter, any
reports on forms 8-K, 10-K and 10-D in respect of the Trust Fund as and to the extent
required under the Exchange Act, as set forth in this Section (other than the report
referred to in clause (ii)

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above); (iv) the Depositor shall be responsible for notifying the
other parties to the transaction of such offering and that the obligations of such parties
to provide information in connection with the Depositor’s Exchange Act reporting
requirements have been reinstated; and (v) the Depositor shall be responsible for all
reasonable fees and expenses incurred by the Securities Administrator in connection with
such offering, including its review and approval of any offering document and any amendment
to any transaction document made in connection with such offering.

     (ii) In the event that the Securities Administrator is unable to timely file with the
Commission all or any required portion of any Form 8-K, 10-D or 10-K required to be filed by
this Agreement because required disclosure information was either not delivered to it or
delivered to it after the delivery deadlines set forth in this Agreement or for any other
reason, the Securities Administrator will promptly, but no later than within one Business
Day, notify electronically the Depositor. In the case of Form 10-D and 10-K, the parties to
this Agreement will cooperate to prepare and file a Form 12b-25 and a 10-D/A or 10-K/A, as
applicable, pursuant to Rule 12b-25 of the Exchange Act. In the case of Form 8-K, the
Securities Administrator will, upon receipt of all required Form 8-K Disclosure Information
and upon the approval and direction of the Depositor, include such disclosure information on
the next Form 10-D. In the event that any previously filed Form 8-K, 10-D or 10-K needs to
be amended to include additional disclosure in connection with any additional Form 10-D
disclosure (other than for the purpose of restating any Distribution Date Statement),
additional Form 10-K or Form 8-K disclosure information, the Securities Administrator will
electronically notify the Depositor and the affected parties and the Securities
Administrator shall prepare and file, and such parties will cooperate in the preparation and
filing of any necessary Form 8-K/A, 10-D/A or 10-K/A. Any Form 15, Form 12b-25 or any
amendment to Form 8-K, 10-D or 10-K shall be signed by the Depositor. The parties to this
Agreement acknowledge that the performance by the Securities Administrator of its duties
under this Section 6.21(d) related to the timely preparation and filing of Form 15, a Form
12b-25 or any amendment to Form 8-K, 10-D or 10-K is contingent upon each such party
performing its duties under this Section. Neither the Securities Administrator nor the
Master Servicer shall have any liability for any loss, expense, damage or claim arising out
of or with respect to any failure to properly prepare and/or timely file any such Form 15,
Form 12b-25 or any amendments to Forms 8-K, 10-D or 10-K, where such failure results from
the Securities Administrator’s inability or failure to obtain or receive, on a timely basis,
any information from any other party hereto needed to prepare, arrange for execution or file
such Form 15, Form 12b-25 or any amendments to Forms 8-K, 10-D or 10-K, not resulting from
its own negligence, bad faith or willful misconduct.

     Notwithstanding anything to the contrary herein, the Securities Administrator shall not
file any Form 8-K, Form 10-D or Form 10K as to which it has received from the Depositor a
notice to the effect that, upon review of the proposed filing, the Depositor does not
approve of such filing.

     (e) Sarbanes-Oxley Certification.

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     Each Form 10-K shall include a certification (the “Sarbanes-Oxley Certification”),
required to be included therewith pursuant to the Sarbanes-Oxley Act. Each Servicer, the Master
Servicer and the Securities Administrator shall provide, and each Servicer, the Master Servicer and
the Securities Administrator shall cause any Servicing Function Participant engaged by it to
provide, to the Person who signs the Sarbanes-Oxley Certification (the “Certifying
Person”), by March 15 following each year in which the Trust Fund is subject to the reporting
requirements of the Exchange Act and otherwise within a reasonable period of time upon request, a
certification (each, a “Back-Up Certification”), in the form attached hereto as Exhibit M
(or in such other form attached to the applicable Servicing Agreement), upon which the Certifying
Person, the entity for which the Certifying Person acts as an officer, and such entity’s officers,
directors and Affiliates (collectively with the Certifying Person, “Certification Parties”)
can reasonably rely. The Depositor shall serve as the Certifying Person on behalf of the Trust
Fund. In the event any such party or any Servicing Function Participant engaged by such party is
terminated or resigns pursuant to the terms of this Agreement, or any applicable sub-servicing
agreement, as the case may be, such party shall provide a Back-Up Certification to the Certifying
Person pursuant to this Section 6.21(e) with respect to the period of time it was subject to this
Agreement or any applicable sub-servicing agreement, as the case may be.

     The Master Servicer shall enforce any obligation of the Servicers, to the extent set forth in
the related Servicing Agreement, to deliver to the Master Servicer a certification similar to the
Back-Up Certification as may be required pursuant to the related Servicing Agreement.

     Section 6.22 Annual Statements of Compliance.

     (a) The Master Servicer, the Securities Administrator and each Servicer shall deliver or
otherwise make available (and the Master Servicer, the Securities Administrator and each Servicer
shall cause any Additional Servicer engaged by it to deliver or otherwise make available) to the
Depositor and the Securities Administrator on or before March 15 of each year, commencing in March
2008, an Officer’s Certificate (an “Item 1123 Certificate”) stating, as to the signer
thereof, that (A) a review of such party’s activities during the preceding calendar year or portion
thereof and of such party’s performance under this Agreement, or such other applicable agreement in
the case of an Additional Servicer, has been made under such officer’s supervision and (B) to the
best of such officer’s knowledge, based on such review, such party has fulfilled all its
obligations under this Agreement, or such other applicable agreement in the case of an Additional
Servicer, in all material respects throughout such year or portion thereof, or, if there has been a
failure to fulfill any such obligation in any material respect, specifying each such failure known
to such officer and the nature and status thereof. Promptly after receipt of each such Item 1123
Certificate, the Depositor shall review such Item 1123 Certificate and, if
applicable, consult with each such party, as applicable, as to the nature of any failures by
such party, in the fulfillment of any of such party’s obligations hereunder or, in the case of an
Additional Servicer, under such other applicable agreement.

     (b) The Master Servicer shall include all Item 1123 Certificates received by it from each
Servicer with its Item 1123 Certificate to be submitted to the Securities Administrator pursuant to
this Section.

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     (c) In the event the Master Servicer, the Securities Administrator or any Additional Servicer
engaged by any such party is terminated or resigns pursuant to the terms of this Agreement, or any
applicable agreement in the case of an Additional Servicer, as the case may be, such party shall
provide an Item 1123 Certificate pursuant to this Section 6.22 or to such applicable agreement, as
the case may be, notwithstanding any such termination, assignment or resignation.

     (d) The Master Servicer shall enforce any obligation of any Servicer, to the extent set forth
in the related Servicing Agreement, to deliver to the Master Servicer an Item 1123 Certificate as
may be required pursuant to the related Servicing Agreement. The Master Servicer shall include
such Item 1123 Certificate with its own Item 1123 Certificate to be submitted to the Securities
Administrator and the Depositor pursuant to this Section.

     Section 6.23 Annual Assessments of Compliance.

     (a) By March 15 of each year, commencing in March 2008, the Master Servicer and the Securities
Administrator and each Servicer, each at its own expense, shall furnish or otherwise make
available, and each such party shall cause any Servicing Function Participant engaged by it to
furnish or otherwise make available, each at its own expense, to the Securities Administrator and
the Depositor, a report on an assessment of compliance with the Relevant Servicing Criteria (an
“Assessment of Compliance”) that contains (A) a statement by such party of its
responsibility for assessing compliance with the Relevant Servicing Criteria, (B) a statement that
such party used the Relevant Servicing Criteria to assess compliance with the Relevant Servicing
Criteria, (C) such party’s Assessment of Compliance with the Relevant Servicing Criteria as of and
for the fiscal year covered by the Form 10-K required to be filed pursuant to Section 6.21(b),
including, if there has been any material instance of noncompliance with the Relevant Servicing
Criteria, a discussion of each such failure and the nature and status thereof, and (D) a statement
that a registered public accounting firm has issued an Accountant’s Attestation on such party’s
Assessment of Compliance with the Relevant Servicing Criteria as of and for such period.

     (b) No later than the end of each fiscal year for the Trust Fund for which a 10-K is required
to be filed, each Servicer and the Master Servicer shall each forward to the Securities
Administrator the name of each Servicing Function Participant engaged by it and what Relevant
Servicing Criteria will be addressed in the Assessment of Compliance prepared by such Servicing
Function Participant (provided, however, that the Master Servicer need not provide such information
to the Securities Administrator so long as the Master Servicer and the Securities Administrator are
the same person). When the Master Servicer and each Servicer (or
any Servicing Function Participant engaged by them) submit their Assessments of Compliance to
the Securities Administrator, such parties will also at such time include the Assessments of
Compliance (and Accountant’s Attestation), pursuant to Sections 6.23 and 6.24, of each Servicing
Function Participant engaged by it.

     (c) Promptly after receipt of each Assessment of Compliance, (i) the Depositor shall review
each such report and, if applicable, consult with the Master Servicer, the Securities
Administrator, a Servicer, the Custodian and any Servicing Function Participant engaged by such
parties as to the nature of any material instance of noncompliance with the Relevant Servicing

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Criteria by each such party, and (ii) the Securities Administrator shall confirm that the
Assessments of Compliance, taken individually, address the Relevant Servicing Criteria for each
party as set forth on Exhibit N and on any similar exhibit set forth in each Servicing Agreement in
respect of each Servicer and notify the Depositor of any exceptions. None of such parties will be
required to deliver any such assessments until March 30 in any given year so long as it has
received written confirmation from the Depositor that a Form 10-K is not required to be filed in
respect of the Trust Fund for the preceding calendar year.

     (d) The Master Servicer shall include all Assessments of Compliance received by it from the
Servicers with its own Assessment of Compliance to be submitted to the Securities Administrator
pursuant to this Section.

     (e) In the event the Master Servicer, the Securities Administrator or any Servicing Function
Participant engaged by any such party is terminated, assigns its rights and obligations under or
resigns pursuant to, the terms of this Agreement, or any other applicable agreement, as the case
may be, such party shall provide an Assessment of Compliance pursuant to this Section 6.23, or to
such other applicable agreement, notwithstanding any termination, assignment or resignation.

     (f) The Master Servicer shall enforce any obligation of the Servicers and the Custodian, to
the extent set forth in the related Servicing Agreement or the Custody Agreement, as applicable, to
deliver to the Master Servicer an Assessment of Compliance within the time frame set forth in, and
in such form and substance as may be required pursuant to, the related Servicing Agreement or the
Custody Agreement, as applicable. The Master Servicer shall include such Assessment of Compliance
with its own Assessment of Compliance to be submitted to the Securities Administrator pursuant to
this Section.

     Section 6.24 Accountant’s Attestation.

     (a) By March 15 of each year, commencing in 2008, the Master Servicer, the Securities
Administrator and each Servicer, each at its own expense, shall cause, and each such party shall
cause any Servicing Function Participant engaged by it to cause, each at its own expense, a
registered public accounting firm (which may also render other services to the Master Servicer, the
Securities Administrator or a Servicer or such other Servicing Function Participants, as the case
may be) and that is a member of the American Institute of Certified Public Accountants to furnish a
report (the “Accountant’s Attestation”) to the Securities Administrator and the
Depositor, to the effect that (i) it has obtained a representation regarding certain matters
from the management of such party, which includes an assertion that such party has complied with
the Relevant Servicing Criteria, and (ii) on the basis of an examination conducted by such firm in
accordance with standards for attestation engagements issued or adopted by the PCAOB, it is
expressing an opinion as to whether such party’s compliance with the Relevant Servicing Criteria
was fairly stated in all material respects, or it cannot express an overall opinion regarding such
party’s Assessment of Compliance with the Relevant Servicing Criteria. In the event that an
overall opinion cannot be expressed, such registered public accounting firm shall state in such
report why it was unable to express such an opinion. Such report must be available for general use
and not contain restricted use language.

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     (b) Promptly after receipt of such Accountant’s Attestations from the Master Servicer, each
Servicer, each Custodian, the Securities Administrator or any Servicing Function Participant
engaged by such parties, (i) the Depositor shall review the report and, if applicable, consult with
such parties as to the nature of any defaults by such parties, in the fulfillment of any of each
such party’s obligations hereunder or under any other applicable agreement, and (ii) the Securities
Administrator shall confirm that each Assessment of Compliance is coupled with an Accountant’s
Attestation meeting the requirements of this Section and notify the Depositor of any exceptions.
None of such parties shall be required to deliver any such assessments until March 30 in any given
year so long as it has received written confirmation from the Depositor that a Form 10-K is not
required to be filed in respect of the Trust Fund for the preceding calendar year.

     (c) The Master Servicer shall include each Accountant’s Attestation furnished to it by the
Servicers with its own Accountant’s Attestation to be submitted to the Securities Administrator
pursuant to this Section.

     (d) In the event the Master Servicer, the Securities Administrator, the Custodian, any
Servicer or Servicing Function Participant engaged by any such party, is terminated, assigns its
rights and duties under, or resigns pursuant to the terms of, this Agreement, or the Custody
Agreement, Servicing Agreement or sub-servicing agreement, as the case may be, such party shall at
its own expense cause a registered public accounting firm to provide an Accountant’s Attestation
pursuant to this Section 6.24, or other applicable agreement, notwithstanding any such termination,
assignment or resignation.

     (e) The Master Servicer shall enforce any obligation of the Servicers and the Custodian, to
the extent set forth in the related Servicing Agreement and the Custody Agreement, as applicable,
to deliver to the Master Servicer an attestation as may be required pursuant to, the related
Servicing Agreement or the Custody Agreement, as applicable. The Master Servicer shall include
each such attestation with its own Accountant’s Attestation to be submitted to the Securities
Administrator pursuant to this Section.

ARTICLE VII

PURCHASE OF MORTGAGE LOANS AND

TERMINATION OF THE TRUST FUND

     Section 7.01 Purchase of Mortgage Loans; Termination of Trust Fund Upon Purchase or
Liquidation of All Mortgage Loans.

     (a) The respective obligations and responsibilities of the Trustee, the Securities
Administrator and the Master Servicer created hereby (other than the obligation of the Securities
Administrator to make payments to the Certificateholders as set forth in Section 7.02), shall
terminate on the earliest of (i) the final payment or other liquidation of the last Mortgage Loan
remaining in the Trust Fund and the disposition of all REO Property, (ii) the later of (A) the sale
of all of the assets in Pool 1 in accordance with Section 7.01(b), if the Holder of the Class 1-LTR

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Certificate chooses to sell the assets in Pool 1 in connection with the redemption of the Group 1
Certificates and (B) the sale of all of the assets in Pool 2A and Pool 2B (in the aggregate) in
accordance with Section 7.01(c), if the Holder of the Class 2-LTR Certificate chooses to sell the
assets in Pool 2A and Pool 2B (in the aggregate) in connection with the redemption of the Group 2
Certificates and (iii) the Distribution Date immediately following the Latest Possible Maturity
Date; provided, however, that in no event shall the Trust Fund 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 hereof.
Any termination of the Trust Fund shall be carried out in such a manner so that the termination of
each REMIC included therein shall qualify as a “qualified liquidation” under the REMIC Provisions.

     (b) The Holder of the Class 1-LTR Certificate shall have the option to instruct the Trustee to
redeem the Group 1 Certificates, in whole but not in part, on any Distribution Date on or after the
date on which the Aggregate Stated Principal Balance of Pool 1 is equal to or less than 20% of the
Aggregate Stated Principal Balance of Pool 1 as of the Cut-off Date. If the Holder of the Class
1-LTR Certificate elects to cause a redemption of the Certificates, it shall, no later than 30 days
prior to the Distribution Date selected for redemption (the “Group 1 Redemption Date”), deliver
written notice to the Trustee and the Securities Administrator and either (a) deposit in the
Distribution Account the Redemption Price for the Group 1 Certificates or (b) state in such notice
that such Redemption Price shall be deposited in the Distribution Account not later than 10:00
a.m., New York City time on the Group 1 Redemption Date. In connection with such redemption, if
the Holder of the Class 1-LTR Certificate elects to liquidate the Pool 1 assets, such Holder shall
cause the Trustee to cause each related REMIC to adopt a plan of complete liquidation by complying
with the provisions of Section 7.03. If any Restricted Holder purchases (or provides financing
for) the Group 1 Certificates, the purchase price to be paid by such Restricted Holder for the Pool
1 assets shall not be less than the fair market value of those assets, as determined by an
appraiser or appraisers selected by the Depositor and agreed upon by the Trustee.

     (c) The Holder of the Class 2-LTR Certificate shall have the option to instruct the Securities
Administrator, on behalf of the Trustee, to redeem the Group 2 Certificates, in whole
but not in part, on any Distribution Date on or after the date on which the sum of the
Aggregate Stated Principal Balances of Pool 2A and Pool 2B, is equal to or less than 5% of the sum
of the Aggregate Stated Principal Balance of Pool 2A and Pool 2B as of the Cut-off Date. If the
Holder of the Class 2-LTR Certificate elects to redeem the Certificates, it shall, no later than 30
days prior to the Distribution Date selected for redemption (the “Group 2 Redemption Date”),
deliver written notice to the Trustee and the Securities Administrator and either (a) deposit in
the Distribution Account the Redemption Price for the Group 2 Certificates or (b) state in such
notice that such Redemption Price shall be deposited in the Distribution Account not later than
10:00 a.m., New York City time on the Group 2 Redemption Date. In connection with such redemption,
if the Holder of the Class 2-LTR Certificate elects to liquidate the Pool 2A and Pool 2B assets,
such Holder shall cause the Trustee to cause each related REMIC to adopt a plan of complete
liquidation by complying with the provisions of Section 7.03.

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     (d) The Depositor, the Master Servicer, each Servicer, the Securities Administrator and the
Custodian shall be reimbursed from the related Redemption Price, for any Advances, Servicer
Advances, accrued and unpaid Servicing Fees and Master Servicing Fees or other amounts with respect
to the related Mortgage Loans that are reimbursable to such parties under this Agreement, the
related Servicing Agreement or the Custody Agreement.

     Section 7.02 Procedure Upon Redemption and Termination of Trust Fund.

     (a) If on any Determination Date the Master Servicer determines that there are no outstanding
Mortgage Loans, and no other funds or assets in the Trust Fund other than the funds in the
Distribution Account, the Master Servicer shall direct the Securities Administrator promptly to
send a final distribution notice to each Certificateholder. Such notice shall specify (A) the
Distribution Date upon which final distribution on the Certificates of all amounts required to be
distributed to Certificateholders pursuant to Section 5.02 will be made upon presentation and
surrender of the Certificates at the Certificate Registrar’s Corporate Trust Office, and (B) that
the Record Date otherwise applicable to such Distribution Date is not applicable, distribution
being made only upon presentation and surrender of the Certificates at the office or agency of the
Certificate Registrar therein specified. The Securities Administrator shall give such notice to
the Trustee, the Master Servicer and the Certificate Registrar at the time such notice is given to
Holders of the Certificates. Upon any such termination, the duties of the Certificate Registrar
with respect to the Certificates shall terminate.

     Upon termination of the Trust Fund, the Securities Administrator shall terminate, or request
the Master Servicer to terminate, the Distribution Account and any other account or fund maintained
with respect to the Certificates, subject to the Securities Administrator’s obligation hereunder to
hold all amounts payable to Certificateholders in trust without interest pending such payment.

     (b) In the event that all of the Holders do not surrender their Certificates for cancellation
within three months after the time specified in the termination notice, the Securities
Administrator 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
one year after the second notice any Certificates shall not have been surrendered for
cancellation, the Securities Administrator may take appropriate steps to contact the remaining
Certificateholders concerning surrender of such Certificates, and the cost thereof shall be paid
out of the amounts distributable to such Holders. If within two years after the second notice any
Certificates shall not have been surrendered for cancellation, the Securities Administrator shall,
subject to applicable state law relating to escheatment, hold all amounts distributable to such
Holders for the benefit of such Holders. No interest shall accrue on any amount held by the
Securities Administrator and not distributed to a Certificateholder due to such Certificateholder’s
failure to surrender its Certificate(s) for payment of the final distribution thereon in accordance
with this Section.

     (c) Any reasonable expenses incurred by the Securities Administrator or the Trustee in
connection with any redemption or termination or liquidation of the Trust Fund shall be reimbursed
from proceeds received from the liquidation of the Trust Fund.

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     Section 7.03 Additional REMIC Related Termination Requirements.

     (a) Any termination of a REMIC shall be effected in accordance with the following additional
requirements, unless the Securities Administrator and the Trustee receive an Opinion of Counsel (at
the expense of the Depositor), addressed to the Securities Administrator and the Trustee to the
effect that the failure of the Trust Fund to comply with the requirements of this Section 7.03 will
not result in an Adverse REMIC Event:

     (i) Within 89 days prior to the time of the making of the final payment on the
Certificates related to such REMIC, upon notification by the Holder of the Class 1-LTR or
Class 2-LTR Certificate that it intends to exercise its option to cause the termination of
the related REMICs, the Trustee shall adopt a plan of complete liquidation of the related
REMICs, meeting the requirements of a qualified liquidation under the REMIC Provisions;

     (ii) Any sale of the assets of Pool 1 or the assets of Pool 2A and Pool 2B (in the
aggregate) the Trust Fund pursuant to Section 7.01 shall be a sale for cash and shall occur
at or after the time of adoption of such a plan of complete liquidation and prior to the
time of making of the final payment on or credit to the related Certificates, and upon the
closing of such a sale, the Trustee shall deliver or cause the Custodian to deliver the
assets to the purchaser thereof as instructed by the Holder of the Class 1-LTR Certificate
or the Holder of the Class 2-LTR Certificate, as applicable;

     (iii) On the date specified for final payment of the Certificates related to such
REMICs, the Securities Administrator shall make final distributions of principal and
interest on the Certificates in accordance with Section 5.02 and, after payment of, or
provision for any outstanding expenses, distribute or credit, or cause to be distributed or
credited, to the Holders of the Residual Certificates related to such REMICs all cash on
hand after such final payment (other than cash retained to meet claims), and such REMICs
shall terminate at that time; and

     (iv) In no event may the final payment on or credit to the Certificates related to such
REMICs or the final distribution or credit to the Holders of the Residual Certificates
related to such REMICs be made after the 89th day from the date on which the plan of
complete liquidation is adopted.

     (b) By its acceptance of a Residual Certificate, each Holder thereof hereby agrees to accept
the plan of complete liquidation adopted by the Trustee under this Section and to take such other
action in connection therewith as may be reasonably requested by the Securities Administrator or
any Servicer.

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ARTICLE VIII

RIGHTS OF CERTIFICATEHOLDERS

     Section 8.01 Limitation on Rights of Holders.

     (a) The death or incapacity of any Certificateholder shall not operate to terminate this
Agreement or this Trust Fund, nor entitle such Certificateholder’s legal representatives or heirs
to claim an accounting or take any action or proceeding in any court for a partition or winding up
of this Trust Fund, nor otherwise affect the rights, obligations and liabilities of the parties
hereto or any of them. Except as otherwise expressly provided herein, no Certificateholder, solely
by virtue of its status as a Certificateholder, shall have any right to vote or in any manner
otherwise control the Master Servicer or the operation and management of the Trust Fund, 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 constitute the Certificateholders from time to time as
partners or members of an association, nor shall any Certificateholder 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.

     (b) No Certificateholder, solely by virtue of its status as Certificateholder, shall have any
right by virtue or by availing of any provision of this Agreement to institute any suit, action or
proceeding in equity or at law upon or under or with respect to this Agreement, unless such Holder
previously shall have given to the Trustee a written notice of an Event of Default and of the
continuance thereof, as hereinbefore provided, and unless also the Holders of Certificates
evidencing not less than 25% of the Class Principal Amount or Class Notional Amount (or Percentage
Interest) of Certificates of each Class affected thereby shall have made written request upon the
Trustee to institute such action, suit or proceeding in its own name as Trustee hereunder and shall
have offered to the Trustee such reasonable indemnity as it may require against the cost, expenses
and liabilities to be incurred therein or thereby, and the Trustee, for sixty 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 and no direction inconsistent with such written
request has been given such Trustee during such sixty-day period by such Certificateholders; it
being understood and intended, and being expressly covenanted by each Certificateholder with every
other Certificateholder, the Securities Administrator and the
Trustee, that no one or more Holders of Certificates shall have any right in any manner
whatever by virtue or by availing of any provision of this Agreement to affect, disturb or
prejudice the rights of the Holders of any other of such Certificates, or to obtain or seek to
obtain priority over or preference to any other such Holder, or to enforce any right under this
Agreement, except in the manner herein provided and for the benefit of all Certificateholders. For
the protection and enforcement of the provisions of this Section, each and every Certificateholder
and the Trustee shall be entitled to such relief as can be given either at law or in equity.

     Section 8.02 Access to List of Holders.

     (a) If the Trustee is not acting as Certificate Registrar, the Certificate Registrar will
furnish or cause to be furnished to the Trustee, within fifteen days after receipt by the
Certificate

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Registrar of a request by the Trustee in writing, a list, in such form as the Trustee
may reasonably require, of the names and addresses of the Certificateholders of each Class as of
the most recent Record Date.

     (b) If three or more Holders or Certificate Owners (hereinafter referred to as “Applicants”)
apply in writing to the Certificate Registrar, and such application states that the Applicants
desire to communicate with other Holders with respect to their rights under this Agreement or under
the Certificates and is accompanied by a copy of the communication which such Applicants propose to
transmit, then the Certificate Registrar shall, within five Business Days after the receipt of such
application, afford such Applicants reasonable access during the normal business hours of the
Certificate Registrar to the most recent list of Certificateholders held by the Certificate
Registrar or shall, as an alternative, send, at the Applicants’ expense, the written communication
proffered by the Applicants to all Certificateholders at their addresses as they appear in the
Certificate Register.

     (c) Every Holder or Certificate Owner, if the Holder is a Clearing Agency, by receiving and
holding a Certificate, agrees with the Depositor, the Master Servicer, the Securities
Administrator, the Certificate Registrar and the Trustee that neither the Depositor, the Master
Servicer, the Securities Administrator, the Certificate Registrar nor the Trustee shall be held
accountable by reason of the disclosure of any such information as to the names and addresses of
the Certificateholders hereunder, regardless of the source from which such information was derived.

     Section 8.03 Acts of Holders of Certificates.

     (a) Any request, demand, authorization, direction, notice, consent, waiver or other action
provided by this Agreement to be given or taken by Holders or Certificate Owners, if the Holder is
a Clearing Agency, may be embodied in and evidenced by one or more instruments of substantially
similar tenor signed by such Holders in person or by agent duly appointed in writing; and, except
as herein otherwise expressly provided, such action shall become effective when such instrument or
instruments are delivered to the Trustee and the Securities Administrator and, where expressly
required herein, to the Master Servicer. Such instrument or
instruments (as the action embodies therein and evidenced thereby) are herein sometimes
referred to as an “Act” of the Holders signing such instrument or instruments. Proof of execution
of any such instrument or of a writing appointing any such agents shall be sufficient for any
purpose of this Agreement and conclusive in favor of the Trustee, the Securities Administrator and
the Master Servicer, if made in the manner provided in this Section. Each of the Trustee, the
Securities Administrator and the Master Servicer shall promptly notify the others of receipt of any
such instrument by it, and shall promptly forward a copy of such instrument to the others.

     (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 the certificate of any notary public
or other officer authorized by law to take acknowledgments or deeds, certifying that the individual
signing such instrument or writing acknowledged to him the execution thereof. Whenever such
execution is by an officer of a corporation or a member of a partnership on

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behalf of such
corporation or partnership, such certificate or affidavit shall also constitute sufficient proof of
his 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
Trustee or the Securities Administrator deems sufficient.

     (c) The ownership of Certificates (whether or not such Certificates shall be overdue and
notwithstanding any notation of ownership or other writing thereon made by anyone other than the
Trustee) shall be proved by the Certificate Register, and neither the Trustee, the Securities
Administrator, the Master Servicer, nor the Depositor shall be affected by any notice to the
contrary.

     (d) Any request, demand, authorization, direction, notice, consent, waiver or other action by
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 thereof or in exchange therefor or in
lieu thereof, in respect of anything done, omitted or suffered to be done by the Trustee, the
Securities Administrator or the Master Servicer in reliance thereon, whether or not notation of
such action is made upon such Certificate.

ARTICLE IX

ADMINISTRATION AND SERVICING OF MORTGAGE LOANS

BY THE MASTER SERVICER

     Section 9.01 Duties of the Master Servicer; Enforcement of Servicer’s and Master Servicer’s
Obligations.

     (a) The Master Servicer, on behalf of the Trustee, the Depositor and the Certificateholders
shall, from and after the Closing Date, monitor the performance of the Servicers under the
Servicing Agreements, and shall use its reasonable good faith efforts to cause
the Servicers duly and punctually to perform all of their duties and obligations thereunder.
Upon the occurrence of a default of which an Authorized Officer of the Master Servicer has actual
knowledge under a Servicing Agreement, the Master Servicer shall promptly notify the Trustee
thereof, and shall specify in such notice the action, if any, the Master Servicer is taking in
respect of such default. So long as any such default shall be continuing, the Master Servicer may,
and shall if it determines such action to be in the best interests of Certificateholders, (i)
terminate all of the rights and powers of such Servicer pursuant to the applicable provisions of
the Servicing Agreement; (ii) exercise any rights it may have to enforce the Servicing Agreement
against such Servicer; and/or (iii) waive any such default under the Servicing Agreement or take
any other action with respect to such default as is permitted thereunder. In addition, under the
Servicing Agreements, the Master Servicer shall be obligated to perform (as agent on behalf of the
Depositor) with respect to the Mortgage Loans, certain of the Depositor’s default administration
obligations hereunder and under the Servicing Agreements. Notwithstanding any provision of this
Agreement or any Servicing Agreement to the contrary, the Master Servicer shall have no duty or
obligation to supervise, monitor or oversee the activities of, or to enforce the obligations of,
any Servicer under its Servicing Agreement with respect to any Additional Collateral or any

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Limited
Purpose Surety Bond relating thereto, including, without limitation, the collection of any amounts
owing to the Trust Fund in respect thereof (unless and until the Master Servicer shall have assumed
the obligations of such Servicer as successor servicer under the related Servicing Agreement
pursuant to this Section 9.01, in which case, as successor servicer, it shall be bound to serve and
administer the Additional Collateral and any related Limited Purpose Surety Bond in accordance with
the provisions of such Servicing Agreement).

     (b) Upon any termination by the Master Servicer of a Servicer’s rights and powers pursuant to
its Servicing Agreement, the rights and powers of the Servicer with respect to the Mortgage Loans
shall vest in the Master Servicer and the Master Servicer shall be the successor in all respects to
such Servicer in its capacity as Servicer with respect to such Mortgage Loans under the related
Servicing Agreement, unless or until the Master Servicer shall have appointed, with the consent of
the Trustee and the Rating Agencies, such consent not to be unreasonably withheld, and in
accordance with the applicable provisions of the Servicing Agreement, a new Fannie Mae- or
FHLMC-approved Person that is a member in good standing of MERS to serve as successor to the
Servicer; provided, however, that no Trustee consent or Rating Agency approval shall be required if
the successor servicer is a Person that was a Servicer on the Closing Date; provided, further, that
it is understood and agreed by the parties hereto that there will be a period of transition (not to
exceed 90 days) before the actual servicing functions can be fully transferred to a successor
servicer (including the Master Servicer). With such consent, the Master Servicer may elect to
continue to serve as successor servicer under the Servicing Agreement. Upon appointment of a
successor servicer, as authorized under this Section 9.01(b), unless the successor servicer shall
have assumed the obligation of the terminated Servicer under such Servicing Agreement, the Master
Servicer, the Trustee and such successor servicer shall enter into a servicing agreement in a form
substantially similar to the affected Servicing Agreement. In connection with any such appointment,
the Master Servicer may make such arrangements for the compensation of such successor as it and
such successor shall agree, but in no event shall such compensation of any successor servicer
(including the Master Servicer) be in excess of that payable to the Servicer under the affected
Servicing Agreement.

     The Master Servicer shall pay the costs of such enforcement (including the termination of any
Servicer, the appointment of a successor servicer or the transfer and assumption of the servicing
by the Master Servicer) at its own expense and shall be reimbursed therefor initially (i) by the
terminated Servicer, (ii) from a general recovery resulting from such enforcement only to the
extent, if any, that such recovery exceeds all amounts due in respect of the related Mortgage
Loans, (iii) from a specific recovery of costs, expenses or attorney’s fees against the party
against whom such enforcement is directed, or (iv) to the extent that such amounts described in
(i)-(iii) above are insufficient to reimburse the Master Servicer for such costs of enforcement,
from the Trust Fund, as provided in Section 9.04.

     If the Master Servicer assumes the servicing with respect to any of the Mortgage Loans, it
will not assume liability for the representations and warranties of any Servicer it replaces or for
the errors or omissions of such Servicer.

     (c) Upon any termination of a Servicer’s rights and powers pursuant to its Servicing
Agreement, the Master Servicer shall promptly notify the Trustee and the Rating Agencies,

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specifying in such notice that the Master Servicer or any successor servicer, as the case may be,
has succeeded the Servicer under the Servicing Agreement, which notice shall also specify the name
and address of any such successor servicer.

     (d) Unless otherwise specified herein, the provisions of Section 9.01(b) (relating to the
Fannie Mae- and Freddie Mac- approval and MERS membership of any successor servicer, the form of
any servicing agreement to be entered into by such successor servicer and the amount of
compensation payable thereunder) and the provisions of Section 9.01(c) (relating to notices to the
Trustee, the Securities Administrator and the Rating Agencies) shall apply to any proposed transfer
or assignment by the Seller of its rights under any Servicing Agreement or of the servicing
thereunder or delegation of its rights or duties thereunder or any portion thereof to any other
Person other than the initial Servicer under such Servicing Agreement; provided that the Seller
shall not be required to provide prior notice to anyone other than the Master Servicer of any
transfer of servicing that occurs within four months following the Closing Date to an entity that
is a Servicer on the Closing Date. In addition, neither the Depositor nor the Trustee shall
consent to the assignment by any Servicer of such Servicer’s rights and obligations under the
Servicing Agreement to a successor servicer other than a Person that was a Servicer on the Closing
Date without the prior written consent of the Master Servicer, which consent shall not be
unreasonably withheld.

     In connection with any transfer of servicing (whether to another initial Servicer, or
otherwise), the Seller shall, at its cost and expense, take such steps, or cause the terminated
Servicer to take such steps, as may be necessary or appropriate to effectuate and evidence the
transfer of the servicing of the Mortgage Loans to such successor servicer, including, but not
limited to, the following: (A) to the extent required by the terms of the Mortgage Loans and by
applicable federal and state laws and regulations, the Seller shall cause the prior Servicer to
timely mail to each obligor under a Mortgage Loan any required notices or disclosures describing
the transfer of servicing of the Mortgage Loans to the successor servicer; (B) prior to the
effective date of such transfer of servicing, the Seller shall cause the prior Servicer to transmit
to any related insurer notification of such transfer of servicing; (C) on or prior to the
effective date of such transfer of servicing, the Seller shall cause the prior Servicer to
deliver to the successor servicer all Mortgage Documents and any related records or materials; (D)
on or prior to the effective date of such transfer of servicing, the Seller shall cause the prior
Servicer to transfer to the successor servicer all funds held by the prior Servicer in respect of
the Mortgage Loans; (E) on or prior to the effective date of such transfer of servicing, the Seller
shall cause the prior Servicer to, after the effective date of the transfer of servicing to the
successor servicer, continue to forward to such successor servicer, within one Business Day of
receipt, the amount of any payments or other recoveries received by the prior Servicer, and to
notify the successor servicer of the source and proper application of each such payment or
recovery; and (F) the Seller shall cause the prior Servicer to, after the effective date of
transfer of servicing to the successor servicer, continue to cooperate with the successor servicer
to facilitate such transfer in such manner and to such extent as the successor servicer may
reasonably request. Notwithstanding the foregoing, the prior Servicer shall be obligated to
perform the items listed above to the extent provided in the Servicing Agreement.

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     Section 9.02 Assumption of Master Servicing by Trustee.

     (a) In the event the Master Servicer shall for any reason no longer be the Master Servicer
(including by reason of any Event of Default under this Agreement), the Trustee shall thereupon, in
accordance with the terms of Section 6.14 hereof, assume all of the rights and obligations of such
Master Servicer hereunder and under each Servicing Agreement entered into with respect to the
Mortgage Loans or shall appoint as successor master servicer a Fannie-Mae or FHLMC-approved
servicer that is acceptable to the Depositor and the Rating Agencies. The Trustee, its designee or
any successor master servicer appointed by the Trustee shall be deemed to have assumed all of the
Master Servicer’s interest herein and therein to the same extent as if such Servicing Agreement had
been assigned to the assuming party, except that the Master Servicer shall not thereby be relieved
of any liability or obligations of the Master Servicer under such Servicing Agreement accruing
prior to its replacement as Master Servicer, and shall be liable to the Trustee, and hereby agrees
to indemnify and hold harmless the Trustee from and against all costs, damages, expenses and
liabilities (including reasonable attorneys’ fees) incurred by the Trustee as a result of such
liability or obligations of the Master Servicer and in connection with the Trustee’s assumption
(but not its performance, except to the extent that costs or liability of the Trustee are created
or increased as a result of negligent or wrongful acts or omissions of the Master Servicer prior to
its replacement as Master Servicer) of the Master Servicer’s obligations, duties or
responsibilities thereunder.

     (b) The Master Servicer that has been terminated shall, upon request of the Trustee but at the
expense of such Master Servicer, deliver to the assuming party all documents and records relating
to each Servicing Agreement and the related Mortgage Loans and an accounting of amounts collected
and held by it and otherwise use its best efforts to effect the orderly and efficient transfer of
each Servicing Agreement to the assuming party.

     Section 9.03 Representations and Warranties of the Master Servicer.

     (a) The Master Servicer hereby represents and warrants to the Depositor, the Securities
Administrator and the Trustee, for the benefit of the Certificateholders, as of the Closing Date
that:

     (i) it is validly existing and in good standing under the laws of the United States of
America as a national banking association, and as Master Servicer has full power and
authority to transact any and all business contemplated by this Agreement and to execute,
deliver and comply with its obligations under the terms of this Agreement, the execution,
delivery and performance of which have been duly authorized by all necessary corporate
action on the part of the Master Servicer;

     (ii) the execution and delivery of this Agreement by the Master Servicer and its
performance and compliance with the terms of this Agreement will not (A) violate the Master
Servicer’s charter or bylaws, (B) violate any law or regulation or any administrative decree
or order to which it is subject or (C) constitute a default (or an event which, with notice
or lapse of time, or both, would constitute a default) under, or result in the breach of,
any material contract, agreement or other instrument to which the

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Master Servicer is a party
or by which it is bound or to which any of its assets are subject, which violation, default
or breach would materially and adversely affect the Master Servicer’s ability to perform its
obligations under this Agreement;

     (iii) this Agreement constitutes, assuming due authorization, execution and delivery
hereof by the other respective parties hereto, a legal, valid and binding obligation of the
Master Servicer, enforceable against it in accordance with the terms hereof, except as such
enforcement may be limited by bankruptcy, insolvency, reorganization, moratorium and other
laws affecting the enforcement of creditors’ rights in general, and by general equity
principles (regardless of whether such enforcement is considered in a proceeding in equity
or at law);

     (iv) the Master Servicer is not in default with respect to any order or decree of any
court or any order or regulation of any federal, state, municipal or governmental agency to
the extent that any such default would materially and adversely affect its performance
hereunder;

     (v) the Master Servicer is not a party to or bound by any agreement or instrument or
subject to any charter provision, bylaw or any other corporate restriction or any judgment,
order, writ, injunction, decree, law or regulation that may materially and adversely affect
its ability as Master Servicer to perform its obligations under this Agreement or that
requires the consent of any third person to the execution of this Agreement or the
performance by the Master Servicer of its obligations under this Agreement;

     (vi) no litigation is pending or, to the best of the Master Servicer’s knowledge,
threatened against the Master Servicer which would prohibit its entering into this Agreement
or performing its obligations under this Agreement;

     (vii) the Master Servicer, or an affiliate thereof the primary business of which is the
servicing of conventional residential mortgage loans, is a Fannie Mae- or FHLMC-approved
seller/servicer;

     (viii) no consent, approval, authorization or order of any court or governmental agency
or body is required for the execution, delivery and performance by the Master Servicer of or
compliance by the Master Servicer with this Agreement or the consummation of the
transactions contemplated by this Agreement, except for such consents, approvals,
authorizations and orders (if any) as have been obtained; and

     (ix) the consummation of the transactions contemplated by this Agreement are in the
ordinary course of business of the Master Servicer;

     (b) It is understood and agreed that the representations and warranties set forth in this
Section shall survive the execution and delivery of this Agreement. In addition to any indemnity
required pursuant to Section 11.16 hereof, the Master Servicer shall indemnify the Depositor, the
Securities Administrator and the Trustee and hold them harmless against any loss, damages,
penalties, fines, forfeitures, legal fees and related costs, judgments, and other costs and
expenses

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resulting from any claim, demand, defense or assertion based on or grounded upon, or
resulting from, a material breach of the Master Servicer’s representations and warranties contained
in Section 9.03(a) or any failure by the Master Servicer to deliver any information, report,
certification, accountants’ letter or other material when and as required under this Agreement. It
is understood and agreed that the enforcement of the obligation of the Master Servicer set forth in
this Section to indemnify the Depositor, the Securities Administrator and the Trustee as provided
in this Section constitutes the sole remedy (other than as set forth in Section 6.14) of the
Depositor, the Securities Administrator and the Trustee, respecting a breach of the foregoing
representations and warranties. Such indemnification shall survive any termination of the Master
Servicer as Master Servicer hereunder, and any termination of this Agreement.

     Any cause of action against the Master Servicer relating to or arising out of the breach of
any representations and warranties made in this Section shall accrue upon discovery of such breach
by either the Depositor, the Master Servicer or the Trustee or notice thereof by any one of such
parties to the other parties.

     Section 9.04 Compensation to the Master Servicer.

     The Master Servicer shall be entitled to be paid by the Trust Fund, and either retain or
withdraw from the Distribution Account, (i) its Master Servicing Fee with respect to each
Distribution Date, (ii) amounts necessary to reimburse itself for any previously unreimbursed
Advances, Servicer Advances and Nonrecoverable Advances in accordance with the definition of
“Available Distribution Amount” and (iii) amounts representing assumption fees, late payment
charges or other ancillary income not included in the definition of “Available Distribution
Amount” and which are not required to be remitted by the Servicers to the Securities Administrator
or deposited by the Securities Administrator into the Distribution Account. The Master Servicer
shall be required to pay all expenses incurred by it in connection with its activities hereunder
and shall not be entitled to reimbursement therefor except as provided in this Agreement.

     In addition, Depositor agrees, except as otherwise expressly provided herein, to reimburse the
Master Servicer, upon its request, for all reasonable expenses, disbursements and advances incurred
or made by the Master Servicer in connection with the performance of its duties hereunder
(including the reasonable compensation and the expenses and disbursements of its agents and
counsel), to the extent not otherwise reimbursed pursuant to this Agreement, except any such
expense, disbursement or advance as may be attributable to its willful misfeasance, bad faith or
negligence.

     Section 9.05 Merger or Consolidation.

     Any Person into which the Master Servicer may be merged or consolidated, or any Person
resulting from any merger, conversion, other change in form or consolidation to which the Master
Servicer shall be a party, or any Person succeeding to the business of the Master Servicer, shall
be the successor to the Master Servicer hereunder, 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; provided, however, that the successor or resulting Person to the Master

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Servicer
or its Affiliate whose primary business is the servicing of conventional residential mortgage loans
shall be a Person that shall be qualified and approved to service mortgage loans for Fannie Mae or
FHLMC and shall have a net worth of not less than $15,000,000.

     Section 9.06 Resignation of Master Servicer.

     Except as otherwise provided in Sections 9.05 and 9.07 hereof, the Master Servicer shall not
resign from the obligations and duties hereby imposed on it unless the Master Servicer’s duties
hereunder are no longer permissible under applicable law or are in material conflict by reason of
applicable law with any other activities carried on by it and cannot be cured. Any such
determination permitting the resignation of the Master Servicer shall be evidenced by an Opinion of
Counsel that shall be Independent to such effect delivered to the Trustee. No such resignation
shall become effective until the Trustee shall have assumed, or a successor master servicer shall
have been appointed by the Trustee and until such successor shall have assumed, the Master
Servicer’s responsibilities and obligations under this Agreement. Notice of such resignation shall
be given promptly by the Master Servicer and the Depositor to the Trustee.

     If, at any time, the Master Servicer resigns under this Section 9.06, or transfers or assigns
its rights and obligations under Section 9.07, or is removed as Master Servicer pursuant to Section
6.14, then at such time as Wells Fargo Bank, N.A. also shall resign (and shall be entitled to
resign) as Securities Administrator, Paying Agent, Authenticating Agent and Certificate
Registrar under this Agreement. In such event, the obligations of each such party shall be
assumed by the Trustee or such successor master servicer appointed by the Trustee (subject to the
provisions of Section 9.02(a)).

     Section 9.07 Assignment or Delegation of Duties by the Master Servicer.

     Except as expressly provided herein, the Master Servicer shall not assign or transfer any of
its rights, benefits or privileges hereunder to any other Person, or delegate to or subcontract
with, or authorize or appoint any other Person to perform any of the duties, covenants or
obligations to be performed by the Master Servicer hereunder; provided, however, that the Master
Servicer shall have the right with the prior written consent of the Trustee and the Depositor
(which consent shall not be unreasonably withheld), and upon delivery to the Trustee and the
Depositor of a letter from each Rating Agency to the effect that such action shall not result in a
downgrading of the Certificates, to delegate or assign to or subcontract with or authorize or
appoint any qualified Person to perform and carry out any duties, covenants or obligations to be
performed and carried out by the Master Servicer hereunder. Notice of such permitted assignment
shall be given promptly by the Master Servicer to the Depositor and the Trustee. If, pursuant to
any provision hereof, the duties of the Master Servicer are transferred to a successor master
servicer, the entire amount of the Master Servicing Fees and other compensation payable to the
Master Servicer pursuant hereto shall thereafter be payable to such successor master servicer.
Such successor master servicer shall also pay the fees of the Trustee and the Securities
Administrator, as provided herein.

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     Section 9.08 Limitation on Liability of the Master Servicer and Others.

     Neither the Master Servicer nor any of the directors, officers, employees or agents of the
Master Servicer shall be under any liability to the Trustee or the Certificateholders for any
action taken or for refraining from the taking of any action in good faith pursuant to this
Agreement, or for errors in judgment; provided, however, that this provision shall not protect the
Master Servicer or any such person against any liability that would otherwise be imposed by reason
of willful misfeasance, bad faith or negligence in its performance of its duties or by reason of
reckless disregard for its obligations and duties under this Agreement. The Master Servicer and
any director, officer, employee or agent of the Master Servicer may rely in good faith on any
document of any kind prima facie properly executed and submitted by any Person respecting any
matters arising hereunder. The Master Servicer shall be under no obligation to appear in,
prosecute or defend any legal action that is not incidental to its duties to master service the
Mortgage Loans in accordance with this Agreement and that in its opinion may involve it in any
expenses or liability; provided, however, that the Master Servicer may in its sole discretion
undertake any such action that it may deem necessary or desirable in respect to this Agreement and
the rights and duties of the parties hereto and the interests of the Certificateholders hereunder.
In such event, the legal expenses and costs of such action and any liability resulting therefrom
shall be expenses, costs and liabilities of the Trust Fund and the Master Servicer shall be
entitled to be reimbursed therefor out of the Distribution Account.

     The Master Servicer shall not be liable for any acts or omissions of any Servicer except to
the extent that damages or expenses are incurred as a result of such act or omissions and such
damages and expenses would not have been incurred but for the negligence, willful misfeasance, bad
faith or recklessness of the Master Servicer in supervising, monitoring and overseeing the
obligations of the Servicers in this Agreement.

     Section 9.09 Indemnification; Third-Party Claims.

     In addition to any indemnity required pursuant to Section 11.16 hereof, the Master Servicer
agrees to indemnify the Depositor, the Securities Administrator and the Trustee, and hold them
harmless against any and all claims, losses, penalties, fines, forfeitures, legal fees and related
costs, judgments, and any other costs, liability, fees and expenses that the Depositor, the
Securities Administrator or the Trustee may sustain as a result of the Master Servicer’s willful
misfeasance, bad faith or negligence in the performance of its duties hereunder or by reason of its
reckless disregard for its obligations and duties under this Agreement. The Depositor, the
Securities Administrator and the Trustee shall immediately notify the Master Servicer if a claim is
made by a third party with respect to this Agreement or the Mortgage Loans that such party believes
entitles it to indemnification under this Section 9.09, and immediately upon discharge and
satisfaction of any such judgment or decree which may be entered against it or them in respect of
such claim, the Master Servicer shall indemnify such party for such claim, losses, penalties,
fines, forfeitures, legal fees and related costs, judgments, and any other costs, liability, fees
and expenses in connection therewith. This indemnification shall survive the -termination of this
Agreement and the resignation or removal of the Master Servicer.

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     Section 9.10 Master Servicer Fidelity Bond and Master Servicer Errors and Omissions Insurance
Policy.

     The Master Servicer, at its expense, shall maintain in effect a blanket fidelity bond and an
errors and omissions insurance policy, affording coverage with respect to all directors, officers,
employees and other Persons acting on such Master Servicer’s behalf, and covering errors and
omissions in the performance of the Master Servicer’s obligations hereunder. The errors and
omissions insurance policy and the fidelity bond shall be in such form and amount generally
acceptable for entities serving as master servicers or trustees.

ARTICLE X

REMIC ADMINISTRATION

     Section 10.01 REMIC Administration.

     (a) REMIC elections as set forth in the Preliminary Statement to this Agreement shall be made
on Forms 1066 or other appropriate federal tax or information return for the taxable year ending on
the last day of the calendar year in which the Certificates are issued. The regular
interests and residual interest in each REMIC shall be as designated in the Preliminary
Statement to this Agreement.

     (b) The Closing Date is hereby designated as the “Startup Day” of each REMIC within the
meaning of section 86OG(a)(9) of the Code. The “latest possible maturity date” for purposes of
Treasury Regulation 1.86OG-1(a)(4) will be the Latest Possible Maturity Date.

     (c) The Securities Administrator shall represent the Trust Fund in any administrative or
judicial proceeding relating to an examination or audit by any governmental taxing authority with
respect thereto. The Securities Administrator shall pay any and all tax related expenses (not
including taxes) of each REMIC, including but not limited to any professional fees or expenses
related to audits or any administrative or judicial proceedings with respect to such REMIC that
involve the Internal Revenue Service or state tax authorities, but only to the extent that (i) such
expenses are ordinary or routine expenses, including expenses of a routine audit but not expenses
of litigation (except as described in (ii)); or (ii) such expenses or liabilities (including taxes
and penalties) are attributable to the negligence or willful misconduct of the Securities
Administrator in fulfilling its duties hereunder (including its duties as tax return preparer).
The Securities Administrator shall be entitled to reimbursement of expenses to the extent provided
in clause (i) above from the Distribution Account, provided, however, the Securities Administrator
shall not be entitled to reimbursement for expenses incurred in connection with the preparation of
tax returns and other reports as required by Section 6.20 and this Section.

     (d) The Securities Administrator shall prepare, and the Trustee shall sign and file, as
instructed by the Securities Administrator, all of each REMIC’s federal and appropriate state tax
and information returns as such REMIC’s direct representative. The expenses of preparing and
filing such returns shall be borne by the Securities Administrator. In preparing such returns, the
Securities Administrator shall, with respect to each REMIC created hereunder other than the

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Group 1
Upper-Tier REMIC and Group 2 Upper-Tier REMIC (each such REMIC, a “Non-Upper-Tier REMIC”): (i)
treat the accrual period for interests in such Non-Upper-Tier REMIC as the calendar month; (ii)
account for distributions made from such Non-Upper-Tier REMIC as made on the first day of each
succeeding calendar month; (iii) account for income under the all-OID method at the Pool 1 Net WAC,
the Pool 2A Net WAC or the Pool 2B Net WAC, as applicable; (iv) use the aggregation method provided
in Treasury Regulation section 1.1275-2(c); and (v) account for income and expenses related to such
Non-Upper-Tier REMIC in the manner resulting in the lowest amount of excess inclusion income
possible accruing to the Holder of the residual interest in such Non-Upper-Tier REMIC.

     (e) The Securities Administrator or its designee shall perform on behalf of each REMIC all
reporting and other tax compliance duties that are the responsibility of such REMIC under the Code,
the REMIC Provisions, or other compliance guidance issued by the Internal Revenue Service or any
state or local taxing authority. Among its other duties, if required by the Code, the REMIC
Provisions, or other such guidance, the Securities Administrator shall provide, upon receipt of
additional reasonable compensation, (i) to the Treasury or other governmental authority such
information as is necessary for the application of any tax relating to the transfer of a Residual
Certificate to any disqualified person or organization pursuant to Treasury Regulation
1.860E-2(a)(5) and any person designated in Section 860E(e)(3) of the Code and (ii) to the
Trustee such information as is necessary for the Trustee to provide to the Certificateholders
such information or reports as are required by the Code or REMIC Provisions.

     (f) The Trustee, the Securities Administrator, the Master Servicer and the Holders of
Certificates shall take any action or cause any REMIC to take any action necessary to create or
maintain the status of any REMIC as a REMIC under the REMIC Provisions and shall assist each other
as necessary to create or maintain such status. Neither the Trustee, the Securities Administrator,
the Master Servicer nor the Holder of any Residual Certificate shall knowingly take any action,
cause any REMIC to take any action or fail to take (or fail to cause to be taken) any action that,
under the REMIC Provisions, if taken or not taken, as the case may be, could result in an Adverse
REMIC Event unless the Trustee, the Securities Administrator and the Master Servicer have received
an Opinion of Counsel (at the expense of the party seeking to take such action or failing to take
such action) to the effect that the contemplated action (or inaction, as the case may be) will not
endanger such status or result in the imposition of such a tax. In addition, prior to taking any
action with respect to any REMIC or the assets therein, or causing any REMIC to take any action,
which is not expressly permitted under the terms of this Agreement, any Holder of a Residual
Certificate will consult with the Trustee, the Securities Administrator, the Master Servicer or
their respective designees, in writing, with respect to whether such action could cause an Adverse
REMIC Event to occur with respect to any REMIC, and no such Person shall take any such action or
cause any REMIC to take any such action as to which the Trustee, the Securities Administrator or
the Master Servicer has advised it in writing that an Adverse REMIC Event could occur; provided,
however, that if no Adverse REMIC Event would occur but such action could result in the imposition
of additional taxes on the Residual Certificateholders, no such Person shall take any such action,
or cause any REMIC to take any such action without the written consent of the Residual
Certificateholders. The Trustee may consult with counsel (and conclusively rely upon the advice of
such counsel) to make such written advice, and the cost of the same shall be borne by the party
seeking to take the action not

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expressly permitted by this Agreement, but in no event shall such
cost be an expense of the Trustee.

     (g) Each Holder of a Residual Certificate shall pay when due any and all taxes imposed on the
related REMIC by federal or state governmental authorities. To the extent that such taxes are not
paid by a Residual Certificateholder or the Paying Agent shall pay any remaining REMIC taxes out of
current or future amounts otherwise distributable to the Holder of the Residual Certificate in any
such REMIC or, if no such amounts are available, out of other amounts held in the Distribution
Account, and shall reduce amounts otherwise payable to holders of regular interests in any such
REMIC, as the case may be.

     (h) The Securities Administrator shall, for federal income tax purposes, maintain books and
records with respect to each REMIC on a calendar year and on an accrual basis.

     (i) No additional contributions of assets shall be made to any REMIC, except as expressly
provided in this Agreement.

     (j) Neither the Securities Administrator nor the Master Servicer shall enter into any
arrangement by which any REMIC will receive a fee or other compensation for services.

     (k) The Trustee and the Securities Administrator shall treat the Reserve Fund as an “outside
reserve fund” within the meaning of Treasury Regulation Section 1.860G-2(h) that is owned by the
holders of the Interest-Only Certificates and that is not an asset of any REMIC. The Trustee and
the Securities Administrator shall treat the rights of the Holders of the LIBOR Certificates to
receive distributions from the Reserve Fund to cover Net WAC Shortfalls as payments under an
interest rate cap contract written by the Holders of the Class 1-XA and Class 1-XB Certificates in
favor of the Holders of the LIBOR Certificates. Thus, each Class of LIBOR Certificates shall be
treated as representing not only ownership of regular interests in a REMIC, but also ownership of
an interest in an interest rate cap contract. For purposes of determining the issue prices of the
Certificates, the interest rate cap contracts shall be assumed to have a zero value unless and
until required otherwise by an applicable taxing authority.

     (l) The Holders of the Class 1-LTR and Class 2-LTR Certificates shall each act as a “tax
matters person” with respect to the Group 1 Lower-Tier REMIC and Group 2 Lower-Tier REMIC,
respectively, and each shall act as agent for the Holders of the Class 1-AR and Class 2-AR
Certificates as “tax matters person” with respect to the Group 1 Upper-Tier REMIC and Group 2
Upper-Tier REMIC, respectively, and the Securities Administrator shall act as agent for the Holders
of the Class 1-LTR and Class 2-LTR Certificates in such roles, unless and until another party is so
designated by the Holders of the Class 1-LTR and Class 2-LTR Certificates.

     Section 10.02 Prohibited Transactions and Activities.

     Neither the Depositor, the Master Servicer nor the Trustee shall sell, dispose of, or
substitute for any of the Mortgage Loans, except in a disposition pursuant to (i) the foreclosure
of a Mortgage Loan, (ii) the bankruptcy of the Trust Fund, (iii) the termination of each REMIC
pursuant to Article VII of this Agreement, (iv) a substitution pursuant to Article II of this
Agreement or (v) a repurchase of Mortgage Loans pursuant to Article II of this Agreement, nor

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acquire any assets for any REMIC, nor sell or dispose of any investments in the Distribution
Account for gain, nor accept any contributions to any REMIC after the Closing Date, unless it has
received an Opinion of Counsel (at the expense of the party causing such sale, disposition, or
substitution) that such disposition, acquisition, substitution, or acceptance will not result in an
Adverse REMIC Event, (b) affect the distribution of interest or principal on the Certificates or
(c) result in the encumbrance of the assets transferred or assigned to the Trust Fund (except
pursuant to the provisions of this Agreement).

     Section 10.03 Indemnification with Respect to Prohibited Transactions or Loss of REMIC
Status.

     Upon the occurrence of an Adverse REMIC Event due to the negligent performance by the
Securities Administrator of its duties and obligations set forth herein, the Securities
Administrator shall indemnify the Certificateholders of the related Residual Certificate against
any and all losses, claims, damages, liabilities or expenses (“Losses”) resulting from such
negligence; provided, however, that the Securities Administrator shall not be liable for any such
Losses attributable to the action or inaction of the Depositor, the Trustee or the Holder of the
Residual Certificate, nor for any such Losses resulting from misinformation provided by any of
the foregoing parties on which the Securities Administrator has relied. Notwithstanding the
foregoing, however, in no event shall the Securities Administrator have any liability (1) for any
action or omission that is taken in accordance with and in compliance with the express terms of, or
which is expressly permitted by the terms of, this Agreement or under any Servicing Agreement or
under any Acknowledgement, (2) for any Losses other than arising out of malfeasance, willful
misconduct or negligent performance by the Securities Administrator of its duties and obligations
set forth herein, and (3) for any special or consequential damages to Certificateholders of the
related Residual Certificate (in addition to payment of principal and interest on the
Certificates).

     Section 10.04 REO Property.

     (a) Notwithstanding any other provision of this Agreement, the Master Servicer, acting on
behalf of the Trustee hereunder, shall not, except to the extent provided in the applicable
Servicing Agreement, knowingly permit any Servicer to, rent, lease, or otherwise earn income on
behalf of any REMIC with respect to any REO Property which might cause an Adverse REMIC Event
unless the applicable Servicer has provided to the Trustee and the Securities Administrator an
Opinion of Counsel concluding that, under the REMIC Provisions, such action would not adversely
affect the status of any REMIC as a REMIC and any income generated for any REMIC by the REO
Property would not result in an Adverse REMIC Event.

     (b) The Depositor shall cause the applicable Servicer (to the extent provided in its Servicing
Agreement) to make reasonable efforts to sell any REO Property for its fair market value. In any
event, however, the Depositor shall, or shall cause the applicable Servicer (to the extent provided
in its Servicing Agreement) to, dispose of any REO Property within three years of its acquisition
by the Trust Fund unless the Depositor or the applicable Servicer (on behalf of the Trust Fund) has
received a grant of extension from the Internal Revenue Service to the effect that, under the REMIC
Provisions and any relevant proposed legislation and under applicable

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state law, the REMIC may hold
REO Property for a longer period without causing an Adverse REMIC Event. If such an extension has
been received, then the Depositor, acting on behalf of the Trustee hereunder, shall, or shall cause
the applicable Servicer to, continue to attempt to sell the REO Property for its fair market value
for such period longer than three years as such extension permits (the “Extended Period”). If such
an extension has not been received and the Depositor or the applicable Servicer, acting on behalf
of the Trust Fund hereunder, is unable to sell the REO Property within 33 months after its
acquisition by the Trust Fund or if such an extension, has been received and the Depositor or the
applicable Servicer is unable to sell the REO Property within the period ending three months before
the close of the Extended Period, the Depositor shall cause the applicable Servicer, before the end
of the three year period or the Extended Period, as applicable, to (i) purchase such REO Property
at a price equal to the REO Property’s fair market value or (ii) auction the REO Property to the
highest bidder (which may be the applicable Servicer) in an auction reasonably designed to produce
a fair price prior to the expiration of the three-year period or the Extended Period, as the case
may be.

ARTICLE XI

MISCELLANEOUS PROVISIONS

     Section 11.01 Binding Nature of Agreement; Assignment.

     This Agreement shall be binding upon and inure to the benefit of the parties hereto and their
respective successors and permitted assigns.

     Section 11.02 Entire Agreement.

     This Agreement contains the entire agreement and understanding among the parties hereto with
respect to the subject matter hereof, and supersedes all prior and contemporaneous agreements,
understandings, inducements and conditions, express or implied, oral or written, of any nature
whatsoever with respect to the subject matter hereof. The express terms hereof control and
supersede any course of performance and/or usage of the trade inconsistent with any of the terms
hereof.

     Section 11.03 Amendment.

     (a) This Agreement may be amended from time to time by the Depositor, the Master Servicer, the
Securities Administrator, and the Trustee, without notice to or the consent of any of the Holders,
(i) to cure any ambiguity or mistake, (ii) to cause the provisions herein to conform to or be
consistent with or in furtherance of the statements made with respect to the Certificates, the
Trust Fund or this Agreement in the Prospectus, or to correct or supplement any provision herein
which may be inconsistent with any other provisions herein or with the provisions of any Servicing
Agreement, (iii) to make any other provisions with respect to matters or questions arising under
this Agreement or (iv) to add, delete, or amend any provisions to the extent necessary or desirable
to comply with any requirements imposed by the Code and the REMIC Provisions. No such amendment
effected pursuant to the preceding sentence shall, as evidenced by an Opinion of Counsel, result in
an Adverse REMIC Event, nor shall such amendment

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effected pursuant to clause (iii) of such sentence
adversely affect in any material respect the interests of any Holder. Prior to entering into any
amendment without the consent of Holders pursuant to this paragraph, the Trustee shall be provided
with an Opinion of Counsel (at the expense of the party requesting such amendment) to the effect
that such amendment is permitted under this Section. Any such amendment shall be deemed not to
adversely affect in any material respect any Holder, if the Trustee and the Securities
Administrator receive written confirmation from each Rating Agency that such amendment will not
cause such Rating Agency to reduce the then current rating assigned to the Certificates.

     (b) This Agreement may also be amended from time to time by the Depositor, the Master
Servicer, the Securities Administrator and the Trustee, with the consent of the Holders of not less
than 66-2/3% of the Class Principal Amount (or Percentage Interest) of each Class of Certificates
affected thereby 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 Holders; provided, however, that no such amendment shall be made unless the Trustee and the
Securities Administrator receive an Opinion of Counsel, at the expense of the party requesting the
change, that such change will not cause an Adverse REMIC Event; and provided further, that no such
amendment may (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 or (ii) reduce the aforesaid percentages of Class Principal Amount or
Class Notional Amount (or Percentage Interest) of Certificates of each Class, the Holders of which
are required to consent to any such amendment without the consent of the Holders of 100% of the
Class Principal Amount or Class Notional Amount (or Percentage Interest) of each Class of
Certificates affected thereby. For purposes of this paragraph, references to “Holder” or “Holders”
shall be deemed to include, in the case of any Class of Book-Entry Certificates, the related
Certificate Owners.

     (c) Promptly after the execution of any such amendment, the Trustee shall furnish written
notification of the substance of such amendment to each Holder, the Depositor and the Rating
Agencies.

     (d) It shall not be necessary for the consent of Holders under this Section 11.03 to approve
the particular form of any proposed amendment, but it shall be sufficient if such consent shall
approve the substance thereof. The manner of obtaining such consents and of evidencing the
authorization of the execution thereof by Holders shall be subject to such reasonable regulations
as the Trustee may prescribe.

     (e) Notwithstanding anything to the contrary in any Servicing Agreement, the Trustee shall not
consent to any amendment of any Servicing Agreement except pursuant to the standards provided in
this Section with respect to amendment of this Agreement.

     (f) Prior to the execution of any amendment to this Agreement, each of the Trustee and the
Securities Administrator shall be entitled to receive and conclusively rely on an Opinion of
Counsel (at the expense of the Person seeking such amendment) stating that the execution of such
amendment is authorized and permitted by this Agreement. The Trustee and the Securities
Administrator may, but shall not be obligated to, enter into any such amendment which affects

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the
Trustee’s or the Securities Administrator’s own rights, duties or immunities under this Agreement.

     Section 11.04 Voting Rights.

     Except to the extent that the consent of all affected Certificateholders is required pursuant
to this Agreement, with respect to any provision of this Agreement requiring the consent of
Certificateholders representing specified percentages of aggregate outstanding Certificate
Principal Amount or Class Notional Amount (or Percentage Interest), Certificates owned by the
Depositor, the Master Servicer, the Securities Administrator, the Trustee, any Servicer or any
Affiliates thereof are not to be counted so long as such Certificates are owned by the Depositor,
the Master Servicer, the Securities Administrator, the Trustee, any Servicer or any Affiliate
thereof.

     Section 11.05 Provision of Information.

     (a) For so long as any of the Certificates of any Series or Class are “restricted securities”
within the meaning of Rule 144(a)(3) under the Securities Act, each of the Depositor, the Master
Servicer, the Securities Administrator and the Trustee agree to cooperate with each other to
provide to any Certificateholders and to any prospective purchaser of Certificates designated by
such holder, upon the request of such holder or prospective purchaser, any information required to
be provided to such holder or prospective purchaser to satisfy the condition set forth in Rule
144A(d)(4) under the Securities Act. Any reasonable, out-of-pocket expenses incurred by the
Trustee, the Master Servicer or the Securities Administrator in providing such information shall be
reimbursed by the Depositor.

     (b) The Securities Administrator shall provide to any person to whom a Prospectus was
delivered, upon the request of such person specifying the document or documents requested, (i) a
copy (excluding exhibits) of any report on Form 8-K, Form 10-D or Form 10-K (or other prescribed
form) filed with the Securities and Exchange Commission pursuant to Section 6.21 and (ii) a copy of
any other document incorporated by reference in the Prospectus. Any reasonable out-of-pocket
expenses incurred by the Securities Administrator in providing copies of such documents shall be
reimbursed by the Depositor.

     (c) On each Distribution Date, the Securities Administrator shall deliver or cause to be
delivered by first class mail or make available on its website to the Depositor, Attention:
Contract Finance, a copy of the report delivered to Certificateholders pursuant to Section 4.02.

     Section 11.06 Governing Law.

     THIS AGREEMENT SHALL BE CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK,
WITHOUT REGARD TO CONFLICT OF LAWS PROVISIONS (OTHER THAN SECTION 5-1401 OF THE GENERAL OBLIGATIONS
LAW), AND THE OBLIGATIONS, RIGHTS AND REMEDIES OF THE PARTIES HEREUNDER SHALL BE DETERMINED IN
ACCORDANCE WITH SUCH LAWS.

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     Section 11.07 Notices.

     All requests, demands, notices, authorizations, directions, consents, waivers and
communications hereunder shall be in writing and shall be deemed to have been duly given when
received by (a) in the case of the Depositor, Sequoia Residential Funding, Inc., One Belvedere
Place, Suite 330, Mill Valley, CA 94941, telecopy number (415) 381-1773, Attention: Sequoia
Mortgage Trust 2007-2, or in the case of notification required to be delivered by the Securities
Administrator to the Depositor pursuant to Section 6.21, to Sequoia Residential Funding, Inc. via
facsimile or via email at such facsimile number or email address furnished separately by the
Depositor to the Securities Administrator from time to time, (b) in the case of the Seller, RWT
Holdings, Inc., One Belvedere Place, Suite 330, Mill Valley, CA 94941 telecopy number (415)
381-1773, Attention: Sequoia Mortgage Trust 2007-2, (c) in the case of the Master Servicer or the
Securities Administrator, Wells Fargo Bank, N.A., P.O. Box 98, Columbia, Maryland 21046 (or, for overnight deliveries, 9062 Old Annapolis Road, Columbia, Maryland 21045), telecopy
number (410) 715-2380, Attention: Sequoia Mortgage Trust 2007-2, and (d) with respect to the
Trustee or the Certificate Registrar, its respective Corporate Trust Office, or as to each party
such other address as may hereafter be furnished by such party to the other parties in writing.
All demands, notices and communications to a party hereunder shall be in writing and shall be
deemed to have been duly given when delivered to such party at the relevant address, facsimile
number or electronic mail address set forth above or at such other address, facsimile number or
electronic mail address as such party may designate from time to time by written notice in
accordance with this Section 11.07.

     Section 11.08 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 severable 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 11.09 Indulgences; No Waivers.

     Neither the failure nor any delay on the part of a party to exercise any right, remedy, power
or privilege under this Agreement shall operate as a waiver thereof, nor shall any single or
partial exercise of any right, remedy, power or privilege preclude any other or further exercise of
the same or of any other right, remedy, power or privilege, nor shall any waiver of any right,
remedy, power or privilege with respect to any occurrence be construed as a waiver of such right,
remedy, power or privilege with respect to any other occurrence. No waiver shall be effective
unless it is in writing and is signed by the party asserted to have granted such waiver.

     Section 11.10 Headings Not To Affect Interpretation.

     The headings contained in this Agreement are for convenience of reference only, and they shall
not be used in the interpretation hereof.

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     Section 11.11 Benefits of Agreement.

     Nothing in this Agreement or in the Certificates, express or implied, shall give to any
Person, other than the parties to this Agreement and their successors hereunder and the Holders of
the Certificates, any benefit or any legal or equitable right, power, remedy or claim under this
Agreement, except to the extent specified in Section 11.15.

     Section 11.12 Special Notices to the Rating Agencies.

     (a) The Depositor shall give prompt notice to the Rating Agencies of the occurrence of any of
the following events of which it has notice:

     (i) any amendment to this Agreement pursuant to Section 11.03;

     (ii) any assignment by the Master Servicer of its rights hereunder or delegation of its
duties hereunder;

     (iii) the occurrence of any Event of Default described in Section 6.14;

     (iv) any notice of termination given to the Master Servicer pursuant to Section 6.14
and any resignation of the Master Servicer hereunder;

     (v) the appointment of any successor to any Master Servicer pursuant to Section 6.14;

     (vi) the making of a final payment pursuant to Section 7.02; and

     (vii) any termination of the rights and obligations of any Servicer under the
applicable Servicing Agreement.

     (b) All notices to the Rating Agencies provided for this Section shall be in writing and sent
by first class mail, telecopy or overnight courier, as follows:

     If to Fitch Ratings, to:

Fitch Ratings

One State Street Plaza, 30th Floor

New York, New York 10004

Attn: SEMT 2007-2

     If to Moody’s, to:

Moody’s Investors Service

99 Church Street

New York, New York 10007

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Attn: Residential Mortgages

     If to S&P, to:

Standard & Poor’s Ratings Services,

  a division of The McGraw-Hill Companies, Inc.

55 Water Street

New York, New York 10041

Attention: Residential Mortgages

     (c) The Securities Administrator shall provide or make available to the Rating Agencies
reports prepared pursuant to Section 4.02. In addition, the Securities Administrator shall, at the
expense of the Trust Fund, make available to each Rating Agency such information as such Rating
Agency may reasonably request regarding the Certificates or the Trust Fund, to the extent that such
information is reasonably available to the Securities Administrator.

     (d) The Depositor hereby represents to S&P that, to the Depositor’s knowledge, the information
provided to such Rating Agency, including the loan level detail, is true and correct according to
such Rating Agency’s requirements.

     Section 11.13 Conflicts.

     To the extent that the terms of this Agreement conflict with the terms of any Servicing
Agreement, the related Servicing Agreement shall govern.

     Section 11.14 Counterparts.

     This Agreement may be executed in one or more counterparts, each of which shall be deemed to
be an original, and all of which together shall constitute one and the same instrument.

     Section 11.15 No Petitions.

     The Trustee and the Master Servicer, by entering into this Agreement, hereby covenant and
agree that they shall not at any time institute against the Depositor, or join in any institution
against the Depositor of, any bankruptcy, reorganization, arrangement, insolvency or liquidation
proceedings, or other proceedings under any United States federal or state bankruptcy or similar
law in connection with any obligations relating to this Agreement or any of the documents entered
into by the Depositor in connection with the transactions contemplated by this Agreement.

     Section 11.16 Intention of the Parties and Interpretation; Indemnification.

     Each of the parties acknowledges and agrees that the purpose of Sections 6.21, 6.22, 6.23 and
6.24 of this Agreement is to facilitate compliance by the Securities Administrator and the
Depositor with the provisions of Regulation AB promulgated by the Commission under the

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Exchange Act
(17 C.F.R. §§ 229.1100 — 229.1123), as such may be amended from time to time and subject to such
clarification and interpretive advice as may be issued by the staff of the
Commission from time to time. Therefore, each of the parties agrees that (a) the obligations
of the parties hereunder shall be interpreted in such a manner as to accomplish that purpose, (b)
the parties’ obligations hereunder will be supplemented and modified as necessary to be consistent
with any such amendments, interpretive advice or guidance, convention or consensus among active
participants in the asset-backed securities markets, advice of counsel, or otherwise in respect of
the requirements of Regulation AB, (c) the parties shall comply with the reasonable requests made
by the Securities Administrator or the Depositor for delivery of such additional or different
information as the Securities Administrator or the Depositor may determine in good faith is
necessary to comply with the provisions of Regulation AB, which information is available to such
party without unreasonable effort or expense and within such timeframe as may be reasonably
requested, and (d) no amendment of this Agreement shall be required to effect any such changes in
the parties’ obligations as are necessary to accommodate evolving interpretations of the provisions
of Regulation AB.

     Each of the Depositor, the Master Servicer, each Servicer, the Securities Administrator and
any Servicing Function Participant engaged by such party shall indemnify and hold harmless the
Securities Administrator, the Master Servicer, the Depositor and the Seller and each of their
directors, officers, employees, agents, and affiliates from and against any and all claims, losses,
damages, penalties, fines, forfeitures, reasonable legal fees and related costs, judgments and
other costs and expenses arising out of or based upon (a) any breach by such party of any of its
obligations hereunder, including particularly its obligations to provide any Item 1123 Certificate,
Assessment of Compliance or Accountant’s Attestation required under Sections 6.22, 6.23 and 6.24,
respectively, or any information, data or materials required to be included in any Exchange Act
report, (b) any misstatement or omission in any information, data or materials provided by such
party, (or in the case of the Securities Administrator or the Master Servicer, any material
misstatement or material omission in (i) any Item 1123 Certificate, Assessment of Compliance,
Accountant’s Attestation delivered by it or by any Servicing Function Participation engaged by it
pursuant to this Agreement or (any Additional Form 10-D Disclosure, Additional Form 10-K Disclosure
or Form 8-K Disclosure concerning the Master Servicer or the Securities Administrator), or (c) the
negligence, bad faith or willful misconduct of such party in connection with its performance
hereunder. If the indemnification provided for herein is unavailable or insufficient to hold
harmless the Master Servicer, the Securities Administrator, the Depositor or the Seller, as the
case may be, then each such party agrees that it shall contribute to the amount paid or payable by
the Securities Administrator, the Master Servicer, the Depositor and the Seller, as applicable, as
a result of any claims, losses, damages or liabilities incurred by such party, in such proportion
as is appropriate to reflect the relative fault of the indemnified party on the one hand and the
indemnifying party on the other. This indemnification shall survive the termination of this
Agreement or the termination of any party to this Agreement.

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

	 	 	 	 	 
	 	SEQUOIA RESIDENTIAL FUNDING, INC.,

as Depositor

 	 
	 	By:  	/s/ John H. Isbrandtsen
 	 
	 	 	Name:  	John H. Isbrandtsen 	 
	 	 	Title:  	Vice President 	 
	 
	 	HSBC BANK USA, NATIONAL ASSOCIATION,
as Trustee

 	 
	 	By:  	/s/ Elena Zheng
 	 
	 	 	Name:  	Elena Zheng 	 
	 	 	Title:  	Assistant Vice President 	 
	 
	 	WELLS FARGO BANK,

NATIONAL ASSOCIATION,

as Master Servicer

 	 
	 	By:  	/s/ Graham Oglesby
 	 
	 	 	Name:  	Graham Oglesby 	 
	 	 	Title:  	Assistant Vice President 	 
	 
	 	WELLS FARGO BANK,

NATIONAL ASSOCIATION,

as Securities Administrator

 	 
	 	By:  	/s/ Graham Oglesby
 	 
	 	 	Name:  	Graham Oglesby 	 
	 	 	Title:  	Assistant Vice President 	 
	 

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Solely for purposes of Section 2.04, 7.01(b) and 9.01(d) accepted and agreed to by:

	 	 	 	 	 
	RWT HOLDINGS, INC.	 	 
	 
	 	 	 	 
	By:

	 	/s/ John H. Isbrandtsen
	 	 
	 

	 	John H. Isbrandtsen	 	 
	 

	 	Authorized Signatory	 	 

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EXHIBIT A

FORMS OF CERTIFICATES

[See Tab #           ]

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Pooling and Servicing Agmt.

A-1

 

EXHIBIT B

FORM OF RESIDUAL CERTIFICATE TRANSFER AFFIDAVIT (TRANSFEREE)

	 	 	 	 	 	 	 
	STATE OF

	 	 	)	 	 	 
	 

	 	 	)	 	 	ss.:
	COUNTY OF

	 	 	)	 	 	 

     [NAME OF OFFICER],                                          being first duly sworn, deposes and says:

	 	1.	 	That he [she] is [title of officer]                                         of [name of
Purchaser]                                          (the “Purchaser”), a
                                         [description of type of entity] duly organized and existing
under the laws of the [State of                     ] [United States], on behalf of which he
[she] makes this affidavit.
	 
	 	2.	 	That the Purchaser’s Taxpayer Identification Number is [       ].
	 
	 	3.	 	That the Purchaser is not a “disqualified organization” within the meaning of
Section 860E(e)(5) of the Internal Revenue Code of 1986, as amended (the “Code”) and
will not be a “disqualified organization” as of [date of transfer], and that the
Purchaser is not acquiring a Residual Certificate (as defined in the Agreement) for the
account of, or as agent (including a broker, nominee, or other middleman) for, any
person or entity from which it has not received an affidavit substantially in the form
of this affidavit. For these purposes, a “disqualified organization” means the United
States, any state or political subdivision thereof, any foreign government, any
international organization, any agency or instrumentality of any of the foregoing
(other than an instrumentality if all of its activities are subject to tax and a
majority of its board of directors is not selected by such governmental entity), any
cooperative organization furnishing electric energy or providing telephone service to
persons in rural areas as described in Code Section 1381(a)(2)(C), any “electing large
partnership” within the meaning of Section 775 of the Code, or any organization (other
than a farmers’ cooperative described in Code Section 521) that is exempt from federal
income tax unless such organization is subject to the tax on unrelated business income
imposed by Code Section 511.
	 
	 	4.	 	That the Purchaser either (x) is not, and on                                          [date of
transfer] will not be, an employee benefit plan or other retirement arrangement subject
to Section 406 of the Employee Retirement Income Security Act of 1974, as amended
(“ERISA”), or Section 4975 of the Code (“Code”), (collectively, a “Plan”) or a person
acting on behalf of any such Plan or investing the assets of any such Plan to acquire a
Residual Certificate; (y) if the Residual Certificate has been subject to an
ERISA-Qualifying Underwriting, is an insurance company that is purchasing the
Certificate with funds contained in an “insurance company

B-1

 

	 	 	 	general account” as defined in Section V(e) of Prohibited Transaction Class
Exemption (“PTCE”) 95-60 and the purchase and holding of the Certificate are covered
under Sections I and III of PTCE 95-60; or (z) herewith delivers to the Certificate
Registrar an opinion of counsel (a “Benefit Plan Opinion”) satisfactory to the
Certificate Registrar, and upon which the Certificate Registrar, the Trustee, the
Master Servicer, the Depositor and Securities Administrator shall be entitled to
rely, to the effect that the purchase or holding of such Residual Certificate by the
Investor will not result in any non-exempt prohibited transactions under Title I of
ERISA or Section 4975 of the Code and will not subject the Certificate Registrar,
the Trustee, the Depositor, the Master Servicer or the Securities Administrator to
any obligation in addition to those undertaken by such entities in the Agreement,
which opinion of counsel shall not be an expense of the Trust Fund or any of the
above parties.

	 	5.	 	That the Purchaser hereby acknowledges that under the terms of the Pooling and
Servicing Agreement, dated as of May 1, 2007 (the “Agreement”), by and among Sequoia
Residential Funding, Inc., as Depositor, Wells Fargo Bank, N.A., as Master Servicer and
as Securities Administrator, and HSBC Bank USA, National Association, as Trustee with
respect to Sequoia Mortgage Trust 2007-2 Mortgage Pass-Through Certificates, no
transfer of the Residual Certificates shall be permitted to be made to any person
unless the Certificate Registrar has received a certificate from such transferee
containing the representations in paragraphs 3 and 4 hereof.
	 
	 	6.	 	That the Purchaser does not hold REMIC residual securities as nominee to
facilitate the clearance and settlement of such securities through electronic
book-entry changes in accounts of participating organizations (such entity, a
“Book-Entry Nominee”).
	 
	 	7.	 	That the Purchaser does not have the intention to impede the assessment or
collection of any federal, state or local taxes legally required to be paid with
respect to such Residual Certificate.
	 
	 	8.	 	That the Purchaser will not transfer a Residual Certificate to any person or
entity (i) as to which the Purchaser has actual knowledge that the requirements set
forth in paragraph 3, paragraph 6 or paragraph 10 hereof are not satisfied or that the
Purchaser has reason to believe does not satisfy the requirements set forth in
paragraph 7 hereof, and (ii) without obtaining from the prospective Purchaser an
affidavit substantially in this form and providing to the Certificate Registrar a
written statement substantially in the form of Exhibit C to the Agreement.
	 
	 	9.	 	That the Purchaser understands that, as the holder of a Residual Certificate,
the Purchaser may incur tax liabilities in excess of any cash flows generated by the
interest and that the Purchaser has and expects to have sufficient net worth and/or
liquidity to pay in full any tax liabilities attributable to ownership of a Residual

B-2

 

	 	 	 	Certificate and intends to pay taxes associated with holding such Residual
Certificate as they become due.
	 
	 	10.	 	That the Purchaser (i) is not a Non-U.S. Person or (ii) is a Non-U.S. Person
that holds a Residual Certificate in connection with the conduct of a trade or business
within the United States and has furnished the transferor and the Certificate Registrar
with an effective Internal Revenue Service Form W-8ECI (Certificate of Foreign Person’s
Claim for Exemption From Withholding on Income Effectively Connected With the Conduct
of a Trade or Business in the United States) or successor form at the time and in the
manner required by the Code or (iii) is a Non-U.S. Person that has delivered to the
transferor and the Certificate Registrar an opinion of a nationally recognized tax
counsel to the effect that the transfer of such Residual Certificate to it is in
accordance with the requirements of the Code and the regulations promulgated thereunder
and that such transfer of a Residual Certificate will not be disregarded for federal
income tax purposes. “Non-U.S. Person” means an individual, corporation, partnership
or other person other than (i) a citizen or resident of the United States; (ii) a
corporation, partnership or other entity created or organized in or under the laws of
the United States or any state thereof, including for this purpose, the District of
Columbia; (iii) an estate that is subject to U.S. federal income tax regardless of the
source of its income; (iv) a trust if a court within the United States is able to
exercise primary supervision over the administration of the trust and one or more
United States trustees have authority to control all substantial decisions of the
trust; and, (v) to the extent provided in Treasury regulations, certain trusts in
existence on August 20, 1996 that are treated as United States persons prior to such
date and elect to continue to be treated as United States persons.
	 
	 	11.	 	The Purchaser will not cause income from the Residual Certificate to be
attributable to a foreign permanent establishment or fixed base of the Purchaser or
another U.S. taxpayer.
	 
	 	12.	 	That the Purchaser agrees to such amendments of the Agreement as may be
required to further effectuate the restrictions on transfer of any Residual Certificate
to such a “disqualified organization,” an agent thereof, a Book-Entry Nominee, or a
person that does not satisfy the requirements of paragraph 7 and paragraph 10 hereof.
	 
	 	13.	 	That the Purchaser consents to the designation of the Securities Administrator
to act as agent for the “tax matters person” of each REMIC created by the Trust Fund
pursuant to the Agreement.

B-3

 

     IN WITNESS WHEREOF, the Purchaser has caused this instrument to be executed on its behalf,
pursuant to authority of its Board of Directors, by its [title of officer] this ___ day of
___ ___  20 ___.

	 	 	 	 	 	 	 
	 	 	 	 	 
	 	 	[name of Purchaser]	 	 
	 
	 	 	 	 	 	 
	 

	 	By:	 	 	 	 
	 

	 	 	 	 	 	 
	 

	 	 	 	Name:	 	 
	 

	 	 	 	Title:	 	 

     Personally appeared before me the above-named [name of officer] ___, known or
proved to me to be the same person who executed the foregoing instrument and to be the [title of
officer] ___ of the Purchaser, and acknowledged to me that he [she] executed the same
as his [her] free act and deed and the free act and deed of the Purchaser.

     Subscribed and sworn before me this ___ day of ___ 20 ___.

NOTARY PUBLIC

                                                            

COUNTY OF                                        

STATE OF                                        

My commission expires the ___ day of ___ 20___.

B-4

 

EXHIBIT C

RESIDUAL CERTIFICATE TRANSFER AFFIDAVIT (TRANSFEROR)

	 	 	 	 	 
	 

	 	 

	 	 
	 

	 	Date	 	 

	 	 	 
	Re:

	 	Sequoia Mortgage Trust 2007-2
	 

	 	Mortgage Pass-Through Certificates

                                              (the “Transferor”) has reviewed the attached affidavit of
                                                             (the “Transferee”), and has no actual knowledge that such affidavit
is not true and has no reason to believe that the information contained in paragraph 7 thereof is
not true, and has no reason to believe that the Transferee has the intention to impede the
assessment or collection of any federal, state or local taxes legally required to be paid with
respect to a Residual Certificate. In addition, the Transferor has conducted a reasonable
investigation at the time of the transfer and found that the Transferee had historically paid its
debts as they came due and found no significant evidence to indicate that the Transferee will not
continue to pay its debts as they become due.

	 	 	 	 	 
	 	Very truly yours,

                                                            

Name:

Title:

 	 
	 	 	 
	 	 	 
	 	 	 
	 

C-1

 

EXHIBIT D

FORM OF CUSTODY AGREEMENT

D-1

 

EXHIBIT E

LIST OF SERVICING AGREEMENTS

	1.	 	Mortgage Loan Flow Purchase, Sale and Servicing Agreement, dated as of February 1, 2002,
between Redwood Trust, Inc. (“Redwood”) and GreenPoint Mortgage Funding, Inc. (“GreenPoint”),
as modified by the related Acknowledgements.
	 
	2.	 	Mortgage Loan Flow Purchase, Sale and Servicing Agreement, dated as of August 1, 2002,
between RWT Holdings, Inc. (“RWT”) and GreenPoint, as modified by the related
Acknowledgements.
	 
	3.	 	Mortgage Loan Flow Purchase, Sale and Servicing Agreement dated as of January 1, 2006 between
RWT and GreenPoint, as modified by the related Acknowledgements.
	 
	4.	 	Loan Servicing Agreement, dated as of February 1, 2004, between RWT and GMAC Mortgage, LLC
(formerly GMAC Mortgage Corporation), as amended by the Regulation AB Compliance Addendum
dated as of January 1, 2006 and as modified by the related Acknowledgements.
	 
	5.	 	Master Servicing Agreement between Redwood and Morgan Stanley Credit Corporation (formerly
Morgan Stanley Dean Witter Credit Corporation) (“Morgan Stanley”), dated August 1, 2001, as
modified by the related Acknowledgements.
	 
	6.	 	Master Servicing Agreement between RWT and Morgan Stanley, dated August 1, 2002, as modified
by the related Acknowledgements.
	 
	7.	 	Mortgage Loan Flow Purchase, Sale & Servicing Agreement among Redwood, Cendant Mortgage
Corporation (“Cendant”) and Bishop’s Gate Residential Mortgage Trust (formerly known as
Cendant Residential Mortgage Trust), dated June 27, 2001, and the Additional Collateral
Servicing Agreement between Redwood and Cendant, dated July 27, 2001, each as modified by the
related Acknowledgements.
	 
	8.	 	Mortgage Loan Flow Purchase, Sale & Servicing Agreement among RWT, Cendant and Bishop’s Gate
Residential Mortgage Trust (formerly known as Cendant Residential Mortgage Trust), as Sellers,
and Cendant, as Servicer, dated August 1, 2002, and the Additional Collateral Servicing
Agreement between RWT and Cendant, dated August 1, 2002, each as modified by the related
Acknowledgements.
	 
	9.	 	Flow Mortgage Loan Sale and Servicing Agreement, dated as of April 1, 2003, between RWT and
Bank of America, National Association, as modified by the related Acknowledgements.

E-1

 

	10.	 	Master Mortgage Loan Purchase and Servicing Agreement, dated as of July 1, 2006 by and
between Redwood and First Republic Bank, as modified by the related Acknowledgements.
	 
	11.	 	Servicing Agreement, dated as of March 1, 2002, between Greenwich Capital Financial Products,
Inc. and EverHome Mortgage Company (formerly Alliance Mortgage Company) and amended by
Amendment No. One thereto, dated as of April 1, 2002, each as modified by the related
Acknowledgements.
	 
	12.	 	Seller’s Warranties and Servicing Agreement, dated as of May 1, 2007, by and between by and
between Redwood and Wells Fargo Bank, N.A. (“Wells Fargo”), as modified by the related
Acknowledgements.
	 
	13.	 	Master Mortgage Loan Sale & Servicing Agreement, dated as of July 1, 2006 between RWT
Holdings, Inc. (“RWT Holdings”) and ABN AMRO Mortgage Group, Inc., as modified by the related
Acknowledgements.

E-2

 

EXHIBIT F

LIST OF PURCHASE AGREEMENTS

	1.	 	Mortgage Loan Flow Purchase, Sale and Servicing Agreement, dated as of February 1, 2002,
between Redwood Trust, Inc. (“Redwood”) and GreenPoint Mortgage Funding, Inc. (“GreenPoint”),
as modified by the related Acknowledgements.
	 
	2.	 	Mortgage Loan Flow Purchase, Sale and Servicing Agreement, dated as of August 1, 2002,
between RWT Holdings, Inc. (“RWT”) and GreenPoint, as modified by the related
Acknowledgements.
	 
	3.	 	Mortgage Loan Flow Purchase, Sale and Servicing Agreement dated as of January 1, 2006 between
RWT and GreenPoint, as modified by the related Acknowledgements.
	 
	4.	 	Seller’s Purchase Warranties and Interim Servicing Agreement, dated as of January 1, 2004,
between GreenPoint and GMAC Mortgage Corporation (“GMAC”), as modified by the related
Acknowledgements.
	 
	5.	 	Master Mortgage Loan Purchase Agreement between Redwood and Morgan Stanley Credit Corporation
(formerly Morgan Stanley Dean Witter Credit Corporation) (“Morgan Stanley”), dated August 1,
2001, as modified by the related Acknowledgements.
	 
	6.	 	Master Mortgage Loan Purchase Agreement between RWT and Morgan Stanley, dated August 1, 2002,
as modified by the related Acknowledgements.
	 
	7.	 	Mortgage Loan Flow Purchase, Sale & Servicing Agreement among Redwood, Cendant Mortgage
Corporation (“Cendant”) and Bishop’s Gate Residential Mortgage Trust (formerly known as
Cendant Residential Mortgage Trust), dated June 27, 2001, and the Additional Collateral
Servicing Agreement between Redwood and Cendant, dated July 27, 2001, each as modified by the
related Acknowledgements.
	 
	8.	 	Mortgage Loan Flow Purchase, Sale & Servicing Agreement among RWT, Cendant and Bishop’s Gate
Residential Mortgage Trust (formerly known as Cendant Residential Mortgage Trust), as Sellers,
and Cendant, as Servicer, dated August 1, 2002, and the Additional Collateral Servicing
Agreement between RWT and Cendant, dated August 1, 2002, each as modified by the related
Acknowledgements.
	 
	9.	 	Flow Mortgage Loan Sale and Servicing Agreement, dated as of April 1, 2003, between RWT and
Bank of America, National Association, as modified by the related Acknowledgements.

F-1

 

	10.	 	Master Mortgage Loan Purchase and Servicing Agreement, dated as of July 1, 2006 by and
between Redwood and First Republic Bank, as modified by the related Acknowledgements.
	 
	11.	 	Master Mortgage Loan Purchase Agreement, between Greenwich Capital Financial Products, Inc.
(“Greenwich”) and Merrill Lynch Credit Corporation (“Merrill Lynch”), dated as of May 13,
1997, as modified by the related Acknowledgements.
	 
	12.	 	Master Mortgage Loan Purchase Agreement, dated as of September 1, 2003, between RWT and
Merrill Lynch Bank & Trust Company, as modified by the related Acknowledgements.
	 
	13.	 	Master Mortgage Loan Purchase Agreement, dated as of June 1, 2005, among RWT, as Purchaser,
Merrill Lynch, as amended to date and as modified by the related Acknowledgements.
	 
	14.	 	Master Mortgage Loan Purchase Agreement, dated as of June 1, 2006, among RWT, as Purchaser,
Merrill Lynch Credit Corporation, as the Loan Seller, and Merrill Lynch Funding Corporation,
as the Participation Seller, as amended to date and as modified by the related
Acknowledgements.
	 
	15.	 	Mortgage Loan Purchase and Sale Agreement, dated as of April 1, 2004, between GMAC and
American Mortgage Network, Inc., as modified by the related Acknowledgements.
	 
	16.	 	Seller’s Purchase, Warranties and Interim Servicing Agreement, dated as of December 1, 2004
between GMAC and CTX Mortgage Company LLC, as modified by the related Acknowledgements.
	 
	17.	 	Mortgage Loan Flow Purchase and Sale Agreement, dated as of May 1, 2004 between E*Trade
Mortgage Corporation and GMAC, as modified by the related Acknowledgements.
	 
	18.	 	Seller’s Purchase, Warranties and Interim Servicing Agreement, dated as of June 1, 2004,
between GMAC and First Magnus Financial Corporation, as modified by the related
Acknowledgements.
	 
	19.	 	Seller’s Purchase, Warranties and Interim Servicing Agreement, dated as of December 1, 2004
between Quicken Loans Inc. and GMAC, as modified by the related Acknowledgements.

F-2

 

	20.	 	The Master Mortgage Loan Purchase and Interim Servicing Agreement between Greenwich Capital
Financial Products, Inc. and HomeBanc Mortgage Corporation, dated as of November 1, 2001, as
modified by the related Acknowledgements.
	 
	21.	 	Seller’s Warranties and Servicing Agreement, dated as of May 1, 2007, by and between by and
between Redwood and Wells Fargo Bank, N.A. (“Wells Fargo”), as modified by the related
Acknowledgements.
	 
	22.	 	Master Mortgage Loan Sale & Servicing Agreement, dated as of July 1, 2006 between RWT
Holdings, Inc. (“RWT Holdings”) and ABN AMRO Mortgage Group, Inc., as modified by the related
Acknowledgements.
	 
	23.	 	Seller’s Purchase, Warranties and Interim Servicing Agreement, dated as of June 1, 2006,
between Redwood Mortgage Funding, Inc. (“RMF”) and Arlington Capital Mortgage Corp.
(“Arlington Capital”) and an Assignment dated May ___, 2007, between RMF and RWT Holdings, as
modified by the related Acknowledgements.
	 
	24.	 	Seller’s Purchase, Warranties and Interim Servicing Agreement, dated as of June 1, 2006,
between Redwood Mortgage Funding, Inc. and First Magnus Financial Corporation and an
Assignment dated May ___, 2007, between RMF and RWT Holdings, as modified by the related
Acknowledgements.
	 
	25.	 	Seller’s Purchase, Warranties and Interim Servicing Agreement, dated as of May 1, 2006 by and
between Redwood Mortgage Funding, Inc. (“RMF”) and New Century Mortgage Corporation (“New
Century”), and an Assignment dated May ___, 2007, between RMF and RWT Holdings, as modified by
the related Acknowledgements.

F-3

 

EXHIBIT G

LIST OF LIMITED PURPOSE SURETY BONDS

	 	1.	 	Ambac Assurance Corporation Surety Bond No. AB0240BE, issued March 17, 1999, for Morgan
Stanley Dean Witter Credit Corporation loans.
	 
	 	2.	 	Ambac Assurance Corporation Surety Bond No. AB0039BE, issued February 26, 1996, for
Merrill Lynch Credit Corporation loans.

G-1

 

EXHIBIT H

FORM OF RULE 144A TRANSFER CERTIFICATE

	 	 	 
	Re:

	 	Sequoia Mortgage Trust 2007-2
	 

	 	Mortgage Pass-Through Certificates

     Reference is hereby made to the Pooling and Servicing Agreement, dated as of May 1, 2007 (the
“Pooling and Servicing Agreement”), by and among Sequoia Residential Funding, Inc., as Depositor,
Wells Fargo Bank, N.A., as Master Servicer and as Securities Administrator, and HSBC Bank USA,
National Association, as Trustee. Capitalized terms used but not defined herein shall have the
meanings given to them in the Pooling and Servicing Agreement.

     This letter relates to $___ initial Certificate Principal Amount of Class ___
Certificates which are held in the form of Definitive Certificates registered in the name of
___ (the “Transferor”). The Transferor has requested a transfer of such Definitive
Certificates for Definitive Certificates of such Class registered in the name of [insert name of
transferee].

     In connection with such request, and in respect of such Certificates, the Transferor hereby
certifies that such Certificates are being transferred in accordance with (i) the transfer
restrictions set forth in the Pooling and Servicing Agreement and the Certificates and (ii) Rule
144A under the Securities Act to a purchaser that the Transferor reasonably believes is a
“qualified institutional buyer” within the meaning of Rule 144A purchasing for its own account or
for the account of a “qualified institutional buyer,” which purchaser is aware that the sale to it
is being made in reliance upon Rule 144A, in a transaction meeting the requirements of Rule 144A
and in accordance with any applicable securities laws of any state of the United States or any
other applicable jurisdiction.

     This certificate and the statements contained herein are made for your benefit and the benefit
of the Underwriters and the Depositor.

	 	 	 	 	 	 	 
	 	 	 	 	 
	 	 	[Name of Transferor]	 	 
	 
	 	 	 	 	 	 
	 

	 	By:	 	 	 	 
	 

	 	 	 	 	 	 
	 

	 	 	 	Name:	 	 
	 

	 	 	 	Title:	 	 

Dated:                     , ___

H-1

 

EXHIBIT I

FORM OF PURCHASER’S LETTER FOR

INSTITUTIONAL ACCREDITED INVESTOR

	 	 	 
	 

	 	Date

Dear Sirs:

          In connection with our proposed purchase of $___ principal amount of Sequoia
Mortgage Trust 2007-2 Mortgage Pass-Through Certificates (the “Privately Offered Certificates”) of
Sequoia Residential Funding, Inc. (the “Depositor”), we confirm that:

	(1)	 	We understand that the Privately Offered Certificates have not been, and will not be,
registered under the Securities Act of 1933, as amended (the “Securities Act”), and may not be
sold except as permitted in the following sentence. We agree, on our own behalf and on behalf
of any accounts for which we are acting as hereinafter stated, that if we should sell any
Privately Offered Certificates within two years of the later of the date of original issuance
of the Privately Offered Certificates or the last day on which such Privately Offered
Certificates are owned by the Depositor or any affiliate of the Depositor we will do so only
(A) to the Depositor, (B) to “qualified institutional buyers” (within the meaning of Rule 144A
under the Securities Act) in accordance with Rule 144A under the Securities Act (“QIBs”), (C)
pursuant to the exemption from registration provided by Rule 144 under the Securities Act, or
(D) to an institutional “accredited investor” within the meaning of Rule 501(a)(1), (2), (3)
or (7) of Regulation D under the Securities Act that is not a QIB (an “Institutional
Accredited Investor”) which, prior to such transfer, delivers to the Certificate Registrar
under the Pooling and Servicing Agreement, dated as of May 1, 2007 (the “Agreement”), by and
among Sequoia Residential Funding, Inc., as Depositor, Wells Fargo Bank, N.A., as Master
Servicer and as Securities Administrator, and HSBC Bank USA, National Association, as Trustee,
a signed letter in the form of this letter; and we further agree, in the capacities stated
above, to provide to any person purchasing any of the Privately Offered Certificates from us a
notice advising such purchaser that resales of the Privately Offered Certificates are
restricted as stated herein.
	 
	(2)	 	We understand that, in connection with any proposed resale of any Privately Offered
Certificates to an Institutional Accredited Investor, we will be required to furnish to the
Certificate Registrar a certification from such transferee in the form hereof to confirm that
the proposed sale is being made pursuant to an exemption from, or in a transaction not subject
to, the registration requirements of the Securities Act. We further understand that the
Privately Offered Certificates purchased by us will bear a legend to the foregoing effect.

I-1

 

	(3)	 	We are acquiring the Privately Offered Certificates for investment purposes and not with
a view to, or for offer or sale in connection with, any distribution in violation of the
Securities Act. We have such knowledge and experience in financial and business matters as
to be capable of evaluating the merits and risks of our investment in the Privately Offered
Certificates, and we and any account for which we are acting are each able to bear the
economic risk of such investment.
	 
	(4)	 	We are an Institutional Accredited Investor and we are acquiring the Privately Offered
Certificates purchased by us for our own account or for one or more accounts (each of which is
an Institutional Accredited Investor) as to each of which we exercise sole investment
discretion.
	 
	(5)	 	We have received such information as we deem necessary in order to make our investment
decision.
	 
	(6)	 	If we are acquiring ERISA-Restricted Certificates, we understand that in accordance with
ERISA, the Code and the Exemption, no Plan and no person acting on behalf of such a Plan may
acquire such Certificate except in accordance with Section 3.03(e) of the Agreement.

          Terms used in this letter which are not otherwise defined herein have the respective meanings
assigned thereto in the Agreement.

I-2

 

     You are entitled to rely upon this letter and are irrevocably authorized to produce this
letter or a copy hereof to any interested party in any administrative or legal proceeding or
official inquiry with respect to the matters covered hereby.

	 	 	 	 	 	 	 
	 	 	Very truly yours,	 	 
	 
	 	 	 	 	 	 
	 	 	 	 	 
	 	 	[Purchaser]	 	 
	 
	 	 	 	 	 	 
	 

	 	By:	 	 	 	 
	 

	 	 	 	 	 	 
	 

	 	 	 	Name:	 	 
	 

	 	 	 	Title:	 	 

I-3

 

EXHIBIT J

FORM OF ERISA TRANSFER AFFIDAVIT

	 	 	 	 	 	 	 
	STATE OF NEW YORK

	 	 	)	 	 	 
	 

	 	 	)	 	 	ss.:
	COUNTY OF NEW YORK

	 	 	)	 	 	 

     The undersigned, being first duly sworn, deposes and says as follows:

     1. The undersigned is the                                          of                      (the “Investor”), a
[corporation duly organized] and existing under the laws of                     , on behalf of which he
makes this affidavit.

     2. The Investor either (x) is not, and on                      [date of transfer] will not be, an
employee benefit plan or other retirement arrangement subject to Section 406 of the Employee
Retirement Income Security Act of 1974, as amended (“ERISA”), or Section 4975 of the Internal
Revenue Code of 1986, as amended (the “Code”), (collectively, a “Plan”) or a person acting on
behalf of any such Plan or investing the assets of any such Plan; (y) if the Certificate has
been the subject of an ERISA-Qualifying Underwriting, is an insurance company that is purchasing
the Certificate with funds contained in an “insurance company general account” as defined in
Section V(e) of Prohibited Transaction Class Exemption (“PTCE”) 95-60 and the purchase and
holding of the Certificate are covered under Sections I and III of PTCE 95-60; or (z) herewith
delivers to the Certificate Registrar an opinion of counsel (a “Benefit Plan Opinion”)
satisfactory to the Certificate Registrar, and upon which the Certificate Registrar, the
Trustee, the Master Servicer, the Depositor and the Securities Administrator shall be entitled
to rely, to the effect that the purchase or holding of such Certificate by the Investor will not
constitute or result in any non-exempt prohibited transactions under Title I of ERISA or Section
4975 of the Code and will not subject the Certificate Registrar, the Trustee, the Master
Servicer, the Depositor or the Securities Administrator to any obligation in addition to those
undertaken by such entities in the Pooling and Servicing Agreement, dated as of May 1, 2007 (the
“Agreement”), by and among Sequoia Residential Funding, Inc., as Depositor, Wells Fargo Bank,
N.A., as Master Servicer and as Securities Administrator, and HSBC Bank USA, National
Association, as Trustee, by which opinion of counsel shall not be an expense of the Trust Fund
or the above parties.

     3. The Investor hereby acknowledges that under the terms of the Agreement, no transfer of
the ERISA-Restricted Certificates shall be permitted to be made to any person unless the
Certificate Registrar has received a certificate from such transferee in the form hereof.

J-1

 

     IN WITNESS WHEREOF, the Investor has caused this instrument to be executed on its behalf,
pursuant to proper authority, by its duly authorized officer, duly attested, this ___ day of
                     20___.

	 	 	 	 	 	 	 
	 	 	 	 	 
	 	 	[Investor]	 	 
	 
	 	 	 	 	 	 
	 

	 	By:	 	 	 	 
	 

	 	 	 	 	 	 
	 

	 	 	 	Name:	 	 
	 

	 	 	 	Title:	 	 

ATTEST:

                                                            

	 	 	 	 	 	 	 
	STATE OF

	 	 	)	 	 	 
	 

	 	 	)	 	 	ss.:
	COUNTY OF

	 	 	)	 	 	 

     Personally appeared before me the above-named                     , known or proved to me
to be the same person who executed the foregoing instrument and to be the
                                         of the Investor, and acknowledged that he executed the same as his free
act and deed and the free act and deed of the Investor.

     Subscribed and sworn before me this ___ day of ___ 20___.

                                                            

NOTARY PUBLIC

 

My commission expires the

___ day of ___ 20 ___.

J-2

 

EXHIBIT K

FORM OF LETTER OF REPRESENTATIONS

WITH THE DEPOSITORY TRUST COMPANY

K-1

 

EXHIBIT L

ADDITIONAL DISCLOSURE NOTIFICATION

Additional Disclosure Notification

Wells Fargo Bank, N.A.

Old Annapolis Road

Columbia, Maryland 21045

Fax: (410) 715-2380

Email: cts.sec.notifications@wellsfargo.com

Attn: Corporate Trust Services- Sequoia Mortgage Trust 2007-2, Mortgage Pass-Through Certificates, Series 2007-2—SEC REPORT PROCESSING

RE: **Additional Form [10-D][10-K][8-K] Disclosure** Required

Ladies and Gentlemen:

     In accordance with Section 6.21[(a)][(b)][(c)] of the Pooling and Servicing Agreement, Pooling
and Servicing Agreement, dated as of May 1, 2007 (the “Agreement”), by and among Sequoia
Residential Funding, Inc., as Depositor, Wells Fargo Bank, N.A., as Master Servicer and as
Securities Administrator, and HSBC Bank USA, National Association, as Trustee with respect to
Sequoia Mortgage Trust 2007-2 Mortgage Pass-Through Certificate, the undersigned, as [         ],
hereby notifies you that certain events have come to our attention that [will] [may] need to be
disclosed on Form [10-D][10-K][8-K].

     Description of Additional Form [10-D][10-K][8-K] Disclosure:

L-1

 

     List of any Attachments hereto to be included in the Additional Form [10-D][10-K][8-K]
Disclosure:

     Any inquiries related to this notification should be directed to [            ],
phone number: [    ]; email address: [       ].

	 	 	 	 	 	 	 
	 	 	[NAME OF PARTY],	 	 
	 	 	as [role]	 	 
	 
	 	 	 	 	 	 
	 

	 	By:	 	 	 	 
	 

	 	 	 	 	 	 
	 

	 	 	 	Name:	 	 
	 

	 	 	 	Title:	 	 

L-2

 

EXHIBIT M

FORM OF ANNUAL CERTIFICATION

Sequoia Mortgage Trust 2007-2 (the “Trust”)

Mortgage Pass-Through Certificates

Re: The Pooling and Servicing Agreement, dated as of May 1, 2007 (the
“Agreement”), by and among Sequoia Residential Funding, Inc., as Depositor, Wells
Fargo Bank, N.A., as Master Servicer and as Securities Administrator, and HSBC Bank
USA, National Association, as Trustee with respect to Sequoia Mortgage Trust 2007-2
Mortgage Pass-Through Certificate. I,                                                             , the
                                         of [NAME OF COMPANY] (the “Company”), certify to the
Depositor and its officers, directors and affiliates, with the knowledge and intent
that they will rely upon this certification, that:

(1) I have reviewed (i) the servicer compliance statement of the Company provided in
accordance with Section 6.22 of the Pooling and Servicing Agreement (the “Item 1123
Certificate”), (ii) the report on assessment of the Company’s compliance with the servicing
criteria provided in accordance with Section 6.23 of the Pooling and Servicing Agreement
(the “Assessment of Compliance”), (iii) the registered public accounting firm’s attestation
report provided in accordance with Section 6.24 of the Pooling and Servicing Agreement (the
“Accountant’s Attestation”), and all servicing reports, officer’s certificates and other
information relating to the servicing of the Mortgage Loans by the Company during 20[ ]
that were delivered by the Company to the Securities Administrator pursuant to the Agreement
(collectively, the “Company Servicing Information”);

(2) Based on my knowledge, the Company Servicing Information, taken as a whole, does not
contain any untrue statement of a material fact or omit to state a material fact necessary
to make the statements made, in the light of the circumstances under which such statements
were made, not misleading with respect to the period of time covered by the Company
Servicing Information;

(3) Based on my knowledge, all of the Company Servicing Information required to be provided
by the Company under the Agreement has been provided to the Securities Administrator;

(4) I am responsible for reviewing the activities performed by the Company as servicer under
the Agreement, and based on my knowledge and the compliance review conducted in preparing
the Item 1123 Certificate and except as disclosed in the 1123 Certificate, the Assessment of
Compliance or the Accountant’s Attestation, the Company has fulfilled its obligations under
the Agreement in all material respects; and

M-1

 

(5) The Item 1123 Certificate required to be delivered by the Company pursuant to the
Agreement, and the Assessment of Compliance and the Accountant’s Attestation required to be
provided by the Company and by any Subservicer or Subcontractor pursuant to the Agreement,
have been provided to Securities Administrator. Any material instances of noncompliance
described in such reports have been disclosed to Securities Administrator. Any material
instance of noncompliance with the Servicing Criteria has been disclosed in such reports.

	 	 	 	 	 
	By:

	 	 	 	 
	 

	 	 	 	 
	Name:
	 	 	 	 
	Title
	 	 	 	 
	 
	 	 	 	 
	Date:
	 	 	 	 

M-2

 

EXHIBIT N

SERVICING CRITERIA TO BE ADDRESSED IN ASSESSMENT OF COMPLIANCE

     The Assessment of Compliance to be delivered by the parties listed in the table below shall
address, at a minimum, the criteria identified below as “Applicable Servicing Criteria” for each
such party:

	 	 	 	 	 	 	 	 	 	 	 
	 	 	 	 	 	 	Securities	 	 	 	 
	Regulation AB	 	 	 	Master	 	Admini-	 	 	 	 
	Reference	 	Servicing Criteria	 	Servicer	 	strator	 	Servicers	 	Custodian
	 

	 	General Servicing Considerations	 	 	 	 	 	 	 	 
	 
	 	 	 	 	 	 	 	 	 	 
	1122(d)(1)(i)

	 	Policies and procedures are
instituted to monitor any performance
or other triggers and events of
default in accordance with the
transaction agreements.
	 	X
	 	X
	 	X	 	 
	 
	 	 	 	 	 	 	 	 	 	 
	1122(d)(1)(ii)

	 	If any material servicing activities
are outsourced to third parties,
policies and procedures are
instituted to monitor the third
party’s performance and compliance
with such servicing activities.
	 	X
	 	 	 	X	 	 
	 
	 	 	 	 	 	 	 	 	 	 
	1122(d)(1)(iii)

	 	Any requirements in the transaction
agreements to maintain a back-up
servicer for the pool assets are
maintained.
	 	N/A
	 	N/A
	 	N/A	 	 
	 
	 	 	 	 	 	 	 	 	 	 
	1122(d)(1)(iv)

	 	A fidelity bond and errors and
omissions policy is in effect on the
party participating in the servicing
function throughout the reporting
period in the amount of coverage
required by and otherwise in
accordance with the terms of the
transaction agreements.
	 	X
	 	 	 	X	 	 
	 
	 	 	 	 	 	 	 	 	 	 
	 

	 	Cash Collection and Administration	 	 	 	 	 	 	 	 
	 
	 	 	 	 	 	 	 	 	 	 
	1122(d)(2)(i)

	 	Payments on pool assets are deposited
into the appropriate bank collection
accounts and related bank clearing
accounts no more than two business
days following receipt, or such other
number of days specified in the
transaction agreements.
	 	X
	 	X
	 	X	 	 
	 
	 	 	 	 	 	 	 	 	 	 
	1122(d)(2)(ii)

	 	Disbursements made via wire transfer
on behalf of an obligor or to an
investor are made only by authorized
personnel.
	 	X
	 	X
	 	X	 	 
	 
	 	 	 	 	 	 	 	 	 	 
	1122(d)(2)(iii)

	 	Advances of funds or guarantees
regarding collections, cash flows or
distributions, and any interest or
other fees charged for such advances,
are made, reviewed and approved as
specified in the transaction
agreements.
	 	X
	 	 	 	X	 	 
	 
	 	 	 	 	 	 	 	 	 	 
	1122(d)(2)(iv)

	 	The related accounts for the
transaction, such as cash reserve
accounts or accounts established as a
form of over collateralization, are
separately maintained (e.g., with
respect to commingling of cash) as
set forth in the transaction
agreements.
	 	X
	 	X
	 	X	 	 
	 
	 	 	 	 	 	 	 	 	 	 
	1122(d)(2)(v)

	 	Each collection account is maintained
at a federally insured depository
institution as set forth in the
transaction agreements. For purposes
of this criterion, “federally insured
depository institution” with respect
to a foreign financial institution
means a foreign financial institution
that meets the requirements of Rule
13k-1(b)(1) of the Securities
Exchange Act.
	 	X
	 	X
	 	X	 	 
	 
	 	 	 	 	 	 	 	 	 	 
	1122(d)(2)(vi)

	 	Unissued checks are safeguarded so as
to prevent unauthorized access.
	 	 	 	 	 	X	 	 
	 
	 	 	 	 	 	 	 	 	 	 
	1122(d)(2)(vii)

	 	Reconciliations are prepared on a
monthly basis for all asset-backed
securities related bank accounts,
including collection
	 	X
	 	X
	 	X	 	 

N-1

 

	 	 	 	 	 	 	 	 	 	 	 
	 	 	 	 	 	 	Securities	 	 	 	 
	Regulation AB	 	 	 	Master	 	Admini-	 	 	 	 
	Reference	 	Servicing Criteria	 	Servicer	 	strator	 	Servicers	 	Custodian
	 

	 	accounts and
related bank clearing accounts. These
reconciliations are (A)
mathematically accurate; (B) prepared
within 30 calendar days after the
bank statement cutoff date, or such
other number of days specified in the
transaction agreements; (C) reviewed
and approved by someone other than
the person who prepared the
reconciliation; and (D) contain
explanations for reconciling items.
These reconciling items are resolved
within 90 calendar days of their
original identification, or such
other number of days specified in the
transaction agreements.	 	 	 	 	 	 	 	 
	 
	 	 	 	 	 	 	 	 	 	 
	 

	 	Investor Remittances and Reporting	 	 	 	 	 	 	 	 
	 
	 	 	 	 	 	 	 	 	 	 
	1122(d)(3)(i)

	 	Reports to investors, including those
to be filed with the Commission, are
maintained in accordance with the
transaction agreements and applicable
Commission requirements.
Specifically, such reports (A) are
prepared in accordance with
timeframes and other terms set forth
in the transaction agreements; (B)
provide information calculated in
accordance with the terms specified
in the transaction agreements; (C)
are filed with the Commission as
required by its rules and
regulations; and (D) agree with
investors’ or the trustee’s records
as to the total unpaid principal
balance and number of pool assets
serviced by the Servicer.
	 	X
	 	X
	 	X	 	 
	 
	 	 	 	 	 	 	 	 	 	 
	1122(d)(3)(ii)

	 	Amounts due to investors are
allocated and remitted in accordance
with timeframes, distribution
priority and other terms set forth in
the transaction agreements.
	 	X
	 	X
	 	X	 	 
	 
	 	 	 	 	 	 	 	 	 	 
	1122(d)(3)(iii)

	 	Disbursements made to an investor are
posted within two business days to
the Servicer’s investor records, or
such other number of days specified
in the transaction agreements.
	 	X
	 	X
	 	X	 	 
	 
	 	 	 	 	 	 	 	 	 	 
	1122(d)(3)(iv)

	 	Amounts remitted to investors per the
investor reports agree with cancelled
checks, or other form of payment, or
custodial bank statements.
	 	X
	 	X
	 	X	 	 
	 
	 	 	 	 	 	 	 	 	 	 
	 

	 	Pool Asset Administration	 	 	 	 	 	 	 	 
	 
	 	 	 	 	 	 	 	 	 	 
	1122(d)(4)(i)

	 	Collateral or security on pool assets
is maintained as required by the
transaction agreements or related
pool asset documents.
	 	 	 	 	 	X
	 	X
	 
	 	 	 	 	 	 	 	 	 	 
	1122(d)(4)(ii)

	 	Pool assets and related documents
are safeguarded as required by the
transaction agreements
	 	 	 	 	 	X
	 	X
	 
	 	 	 	 	 	 	 	 	 	 
	1122(d)(4)(iii)

	 	Any additions, removals or
substitutions to the asset pool are
made, reviewed and approved in
accordance with any conditions or
requirements in the transaction
agreements.
	 	 	 	 	 	X	 	 
	 
	 	 	 	 	 	 	 	 	 	 
	1122(d)(4)(iv)

	 	Payments on pool assets, including
any payoffs, made in accordance with
the related pool asset documents are
posted to the Servicer’s obligor
records maintained no more than two
business days after receipt, or such
other number of days specified in the
transaction agreements, and allocated
to principal, interest or other items
(e.g., escrow) in accordance with the
related pool asset documents.
	 	 	 	 	 	X	 	 
	 
	 	 	 	 	 	 	 	 	 	 
	1122(d)(4)(v)

	 	The Servicer’s records regarding the
pool assets agree with the Servicer’s
records with respect to an obligor’s
unpaid principal balance.
	 	 	 	 	 	X	 	 
	 
	 	 	 	 	 	 	 	 	 	 
	1122(d)(4)(vi)

	 	Changes with respect to the terms or
status of an obligor’s pool assets
(e.g., loan modifications or
re-agings) are made, reviewed and
approved by authorized personnel in
accordance with the transaction
agreements and related pool asset
documents.
	 	 	 	 	 	X	 	 
	 
	 	 	 	 	 	 	 	 	 	 
	1122(d)(4)(vii)

	 	Loss mitigation or recovery actions
(e.g., forbearance plans,
modifications and deeds in lieu of
foreclosure, foreclosures and
repossessions, as applicable) are
initiated, conducted and concluded in
accordance with the timeframes or
other requirements established by the
transaction agreements.
	 	 	 	 	 	X	 	 

N-2

 

	 	 	 	 	 	 	 	 	 	 	 
	 	 	 	 	 	 	Securities	 	 	 	 
	Regulation AB	 	 	 	Master	 	Admini-	 	 	 	 
	Reference	 	Servicing Criteria	 	Servicer	 	strator	 	Servicers	 	Custodian
	1122(d)(4)(viii)

	 	Records documenting collection
efforts are maintained during the
period a pool asset is delinquent in
accordance with the transaction
agreements. Such records are
maintained on at least a monthly
basis, or such other period specified
in the transaction agreements, and
describe the entity’s activities in
monitoring delinquent pool assets
including, for example, phone calls,
letters and payment rescheduling
plans in cases where delinquency is
deemed temporary (e.g., illness or
unemployment).
	 	 	 	 	 	X	 	 
	 
	 	 	 	 	 	 	 	 	 	 
	1122(d)(4)(ix)

	 	Adjustments to interest rates or
rates of return for pool assets with
variable rates are computed based on
the related pool asset documents.
	 	 	 	 	 	X	 	 
	 
	 	 	 	 	 	 	 	 	 	 
	1122(d)(4)(x)

	 	Regarding any funds held in trust for an obligor (such as escrow accounts): (A) such funds are analyzed, in
accordance with the obligor’s pool
asset documents, on at least an
annual basis, or such other period
specified in the transaction
agreements; (B) interest on such
funds is paid, or credited, to
obligors in accordance with
applicable pool asset documents and
state laws; and (C) such funds are
returned to the obligor within 30
calendar days of full repayment of
the related pool assets, or such
other number of days specified in the
transaction agreements.
	 	 	 	 	 	X	 	 
	 
	 	 	 	 	 	 	 	 	 	 
	1122(d)(4)(xi)

	 	Payments made on behalf of an obligor
(such as tax or insurance payments)
are made on or before the related
penalty or expiration dates, as
indicated on the appropriate bills or
notices for such payments, provided
that such support has been received
by the servicer at least 30 calendar
days prior to these dates, or such
other number of days specified in the
transaction agreements.
	 	 	 	 	 	X	 	 
	 
	 	 	 	 	 	 	 	 	 	 
	1122(d)(4)(xii)

	 	Any late payment penalties in
connection with any payment to be
made on behalf of an obligor are paid
from the Servicer’s funds and not
charged to the obligor, unless the
late payment was due to the obligor’s
error or omission.
	 	 	 	 	 	X	 	 
	 
	 	 	 	 	 	 	 	 	 	 
	1122(d)(4)(xiii)

	 	Disbursements made on behalf of an
obligor are posted within two
business days to the obligor’s
records maintained by the servicer,
or such other number of days
specified in the transaction
agreements.
	 	 	 	 	 	X	 	 
	 
	 	 	 	 	 	 	 	 	 	 
	1122(d)(4)(xiv)

	 	Delinquencies, charge-offs and
uncollectible accounts are recognized
and recorded in accordance with the
transaction agreements.
	 	X
	 	 	 	X	 	 
	 
	 	 	 	 	 	 	 	 	 	 
	1122(d)(4)(xv)

	 	Any external enhancement or other
support, identified in Item
1114(a)(1) through (3) or Item 1115
of Regulation AB, is maintained as
set forth in the transaction
agreements.
	 	N/A
	 	N/A
	 	N/A
	 	N/A

[NAME OF PARTY]

Date:                                                              

N-3

 

	 	 	 	 	 
	By:
	 	 	 	 
	 
	 	 	 	 
	Name:
	 	 	 	 
	 

	 	 

	 	 
	 Title:
	 	 	 	 
	 

	 	 	 	 

N-4

 

EXHIBIT O

ADDITIONAL FORM 10-D DISCLOSURE

	 	 	 
	ADDITIONAL FORM 10-D DISCLOSURE
	Item on Form 10-D	 	Party Responsible
	Item 1: Distribution and Pool
	 	 
	Performance Information
	 	 
	 
	 	 
	Information included in the [Distribution Date 

Statement]

	 	Master Servicer

Securities Administrator
	 
	 	 
	Any information required by 1121 which is NOT
included on the [Distribution Date Statement]

	 	Depositor
	 
	 	 
	Item 2: Legal Proceedings
	 	 
	 
	 	 
	Any legal proceeding pending against the
following entities or their respective property,
that is material to Certificateholders, including
any proceedings known to be contemplated by
governmental authorities:
	 	 
	 
	 	 
	§ Issuing Entity (Trust Fund)

	 	Trustee, Master Servicer, Securities Administrator

and Depositor
	 
	 	 
	§ Sponsor (Seller)

	 	Seller (if a party to the Pooling and Servicing

Agreement) or Depositor
	 
	 	 
	§ Depositor

	 	Depositor
	 
	 	 
	§ Trustee

	 	Trustee
	 
	 	 
	§ Securities Administrator

	 	Securities Administrator
	 
	 	 
	§ Master Servicer

	 	Master Servicer
	 
	 	 
	§ Custodian

	 	Custodian
	 
	 	 
	§ 1110(b) Originator

	 	Depositor
	 
	 	 
	§ Any 1108(a)(2) Servicer (other than the Master
Servicer or Securities Administrator)

	 	Servicer (as to itself)
	 
	 	 
	§ Any other party contemplated by 1100(d)(1)

	 	Depositor
	 
	 	 
	Item 3: Sale of Securities and Use of

	 	Depositor
	Proceeds
	 	 
	 
	 	 
	Information from Item 2(a) of Part II of Form
10-Q:
	 	 
	 
	 	 
	With respect to any sale of securities by the
sponsor, depositor or issuing entity, that are
backed by the same asset pool or are otherwise
issued by the issuing entity, whether or not
	 	 

O-1

 

	 	 	 
	ADDITIONAL FORM 10-D DISCLOSURE
	Item on Form 10-D	 	Party Responsible
	registered, provide the sales and use of proceeds
information in Item 701 of Regulation S-K. Pricing
information can be omitted if securities were not
registered.
	 	 
	 
	 	 
	Item 4: Defaults Upon Senior Securities
	 	Securities Administrator

Trustee
	 
	 	 
	Information from Item 3 of Part II of Form
10-Q:
	 	 
	 
	 	 
	Report the occurrence of any Event of Default
(after expiration of any grace period and provision
of any required notice)

	 	
	 
	 	 
	Item 5: Submission of Matters to a Vote
	 	Securities Administrator
	of Security Holders

	 	Trustee
	 
	 	 
	Information from Item 4 of Part II of Form 10-Q

	 	
	 
	 	 
	Item 6: Significant Obligors of Pool
	 	Depositor
	Assets
	 	 
	 
	 	 
	Item 1112(b) – Significant Obligor Financial
Information*

	 	
	 
	 	 
	
 

	* This information need only be reported on the Form
10-D for the distribution period in which updated
information is required pursuant to the Item.
	 	 
	 
	 	 
	Item 7: Significant Enhancement
	 	 
	Provider Information
	 	 
	 
	 	 
	Item 1114(b)(2) – Credit Enhancement Provider
Financial Information*
	 	 
	 
	 	 
	§ Determining applicable disclosure threshold

	 	Depositor
	 
	 	 
	§ Requesting required financial information
(including any required accountants’ consent to the
use thereof) or effecting incorporation by
reference

	 	Depositor
	 
	 	 
	Item 1115(b) – Derivative Counterparty 
	 	 
	Financial Information*
	 	 
	 
	 	 
	§ Determining current maximum probable exposure

	 	Depositor
	 
	 	 
	§ Determining current significance percentage

	 	Depositor
	 
	 	 
	§ Requesting required financial information
(including any required accountants’ consent to the
use thereof) or effecting incorporation by
reference

	 	Depositor
	 
	 	 
	
 

	* This information need only be reported on the
	 	 

O-2

 

	 	 	 
	ADDITIONAL FORM 10-D DISCLOSURE
	Item on Form 10-D	 	Party Responsible
	Form 10-D for the distribution period in which updated
information is required pursuant to the Items.
	 	 
	 
	 	 
	Item 8: Other Information

	 	Any party responsible for the applicable Form 8-K

 Disclosure item
	 
	 	 
	Disclose any information required to be
reported on Form 8-K during the period covered by
the Form 10-D but not reported
	 	 
	 
	 	 
	Item 9: Exhibits
	 	 
	 
	 	 
	Distribution Date Statement to
	 	 
	Certificateholders

	 	Securities Administrator
	 
	 	 
	Exhibits required by Item 601 of Regulation S-K,
	 	Depositor
	such as material agreements

	 	 

O-3

 

EXHIBIT P

ADDITIONAL FORM 10-K DISCLOSURE

	 	 	 
	ADDITIONAL FORM 10-K DISCLOSURE
	Item on Form 10-K	 	Party Responsible
	Item 1B: Unresolved Staff Comments

	 	Depositor
	 
	 	 
	Item 9B: Other Information
	 	 
	Disclose any information required to be
reported on Form 8-K during the fourth quarter
covered by the Form 10-K but not reported

	 	Any party responsible for disclosure items on

Form 8-K
	 
	 	 
	Item 15: Exhibits, Financial Statement

	 	Securities Administrator
	Schedules

	 	Depositor
	 
	 	 
	Reg AB Item 1112(b): Significant 
	 	 
	Obligors of Pool Assets
	 	 
	 
	 	 
	Significant Obligor Financial Information*

	 	Depositor
	 
	 	 
	
 

	* This information need only be reported on the
Form 10-D for the distribution period in which
updated information is required pursuant to the
Item.
	 	 
	 
	 	 
	Reg AB Item 1114(b)(2): Credit 
	 	 
	Enhancement Provider Financial 
	 	 
	Information
	 	 
	 
	 	 
	§ Determining applicable disclosure threshold

	 	Depositor
	 
	 	 
	§ Requesting required financial information
(including any required accountants’ consent to
the use thereof) or effecting incorporation by
reference

	 	Depositor
	 
	 	 
	
 

	* This information need only be reported on the
Form 10-D for the distribution period in which
updated information is required pursuant to the
Items.
	 	 
	 
	 	 
	Reg AB Item 1115(b): Derivative
	 	 
	Counterparty Financial Information
	 	 
	 
	 	 
	§ Determining current maximum probable
exposure

	 	Depositor
	 
	 	 
	§ Determining current significance percentage

	 	Depositor
	 
	 	 
	§ Requesting required financial information
(including any required accountants’ consent to
the use thereof) or effecting incorporation by
reference

	 	Depositor
	 
	 	 
	
 

	* This information need only be reported on the
Form 10-D for the distribution period in which
updated information is required pursuant to the
Items.
	 	 

P-1

 

	 	 	 
	ADDITIONAL FORM 10-K DISCLOSURE
	Item on Form 10-K	 	Party Responsible
	Reg AB Item 1117: Legal Proceedings
	 	 
	 
	 	 
	Any legal proceeding pending against the
following entities or their respective property,
that is material to Certificateholders, including
any proceedings known to be contemplated by
governmental authorities:
	 	 
	 
	 	 
	§ Issuing Entity (Trust Fund)

	 	Trustee, Master Servicer,
Securities Administrator
 and
Depositor
	 
	 	 
	§ Sponsor (Seller)

	 	Seller (if a party to the
Pooling and Servicing

Agreement) or Depositor
	 
	 	 
	§ Depositor

	 	Depositor
	 
	 	 
	§ Trustee

	 	Trustee
	 
	 	 
	§ Securities Administrator

	 	Securities Administrator
	 
	 	 
	§ Master Servicer

	 	Master Servicer
	 
	 	 
	§ Custodian

	 	Custodian
	 
	 	 
	§ 1110(b) Originator

	 	Depositor
	 
	 	 
	§ Any 1108(a)(2) Servicer (other than the Master
Servicer or Securities Administrator)

	 	Servicer (as to itself)
	 
	 	 
	§ Any other party contemplated by 1100(d)(1)

	 	Depositor
	 
	 	 
	Reg AB Item 1119: Affiliations and
	 	 
	Relationships
	 	 
	 
	 	 
	Whether (a) the Sponsor (Seller), Depositor
or Issuing Entity is an affiliate of the
following parties, and (b) to the extent known
and material, any of the following parties are
affiliated with one another:

	 	Depositor as to (a)

Sponsor/Seller as to (b)
	 
	 	 
	§ Master Servicer

	 	Master Servicer
	 
	 	 
	§ Securities Administrator

	 	Securities Administrator
	 
	 	 
	§ Trustee

	 	Depositor as to (a)

Trustee as to (b)
	 
	 	 
	§ Any other 1108(a)(3) servicer

	 	Servicer (as to itself)
	 
	 	 
	§ Any 1110 Originator

	 	Depositor/Sponsor
	 
	 	 
	§ Any 1112(b) Significant Obligor

	 	Depositor/Sponsor
	 
	 	 
	§ Any 1114 Credit Enhancement Provider

	 	Depositor/Sponsor
	 
	 	 
	§ Any 1115 Derivative Counterparty Provider

	 	Depositor/Sponsor
	 
	 	 
	§ Any other 1101(d)(1) material party

	 	Depositor/Sponsor
	 
	 	 
	Whether there are any “outside the ordinary
course business arrangements” other than would be
obtained in an arm’s length transaction between
(a) the Sponsor (Seller), Depositor or Issuing
Entity on the one hand, and (b) any of the
following parties (or their affiliates) on the
other hand, that exist currently or within the
past two years and that are material to a
Certificateholder’s understanding of the

	 	Depositor as to (a)
Sponsor/Seller as to (b)

P-2

 

	 	 	 
	ADDITIONAL FORM 10-K DISCLOSURE
	Item on Form 10-K	 	Party Responsible
	Certificates:
	 	 
	 
	 	 
	§ Master Servicer

	 	Master Servicer
	 
	 	 
	§ Securities Administrator

	 	Securities Administrator
	 
	 	 
	§ Trustee

	 	Depositor/Sponsor
	 
	 	 
	§ Any other 1108(a)(3) servicer

	 	Servicer (as to itself)
	 
	 	 
	§ Any 1110 Originator

	 	Depositor/Sponsor
	 
	 	 
	§ Any 1112(b) Significant Obligor

	 	Depositor/Sponsor
	 
	 	 
	§ Any 1114 Credit Enhancement Provider

	 	Depositor/Sponsor
	 
	 	 
	§ Any 1115 Derivative Counterparty Provider

	 	Depositor/Sponsor
	 
	 	 
	§ Any other 1101(d)(1) material party

	 	Depositor/Sponsor
	 
	 	 
	Whether there are any specific relationships
involving the transaction or the pool assets
between (a) the Sponsor (Seller), Depositor or
Issuing Entity on the one hand, and (b) any of
the following parties (or their affiliates) on
the other hand, that exist currently or within
the past two years and that are material:

	 	Depositor as to (a)

Sponsor/Seller as to (b)
	 
	 	 
	§ Master Servicer

	 	Master Servicer
	 
	 	 
	§ Securities Administrator

	 	Securities Administrator
	 
	 	 
	§ Trustee

	 	Depositor/Sponsor
	 
	 	 
	§ Any other 1108(a)(3) servicer

	 	Servicer (as to itself)
	 
	 	 
	§ Any 1110 Originator

	 	Depositor/Sponsor
	 
	 	 
	§ Any 1112(b) Significant Obligor

	 	Depositor/Sponsor
	 
	 	 
	§ Any 1114 Credit Enhancement Provider

	 	Depositor/Sponsor
	 
	 	 
	§ Any 1115 Derivative Counterparty Provider

	 	Depositor/Sponsor
	 
	 	 
	§ Any other 1101(d)(1) material party

	 	Depositor/Sponsor

P-3

 

EXHIBIT Q

ADDITIONAL FORM 8-K DISCLOSURE

	 	 	 
	FORM 8-K DISCLOSURE INFORMATION 
	Item on Form 8-K	 	Party Responsible
	Item 1.01- Entry into a Material Definitive

	 	All parties (as to themselves)
	Agreement
	 	 
	 
	 	 
	Disclosure is required regarding
entry into or amendment of any definitive
agreement that is material to the
securitization, even if depositor is not
a party.
	 	 
	 
	 	 
	Examples: servicing agreement, custody
agreement.
	 	 
	 
	 	 
	Note: disclosure not required as to
definitive agreements that are fully
disclosed in the prospectus
	 	 
	 
	 	 
	Item 1.02- Termination of a Material

	 	All parties (as to themselves)
	Definitive Agreement
	 	 
	 
	 	 
	Disclosure is required regarding
termination of any definitive agreement
that is material to the securitization
(other than expiration in accordance with
its terms), even if depositor is not a
party.
	 	 
	 
	 	 
	Examples: servicing agreement, custody
agreement.
	 	 
	 
	Item 1.03- Bankruptcy or Receivership

	 	Depositor
	 
	Disclosure is required regarding the
bankruptcy or receivership, with respect
to any of the following:
	 	 
	 
	 	 
	§ Sponsor (Seller)

	 	Depositor/Sponsor (Seller)
	 
	 	 
	§ Depositor

	 	Depositor
	 
	 	 
	§ Master Servicer

	 	Master Servicer
	 
	 	 
	§ Affiliated Servicer

	 	Servicer (as to itself)
	 
	 	 
	§ Other Servicer servicing 20% or more of
the pool assets at the time of the report

	 	Servicer (as to itself)
	 
	 	 
	§ Other material servicers

	 	Servicer (as to itself)
	 
	 	 
	§ Trustee

	 	Trustee
	 
	 	 
	§ Securities Administrator

	 	Securities Administrator
	 
	 	 
	§ Significant Obligor

	 	Depositor

Q-1

 

	 	 	 
	FORM 8-K DISCLOSURE INFORMATION 
	Item on Form 8-K	 	Party Responsible
	§ Credit Enhancer (10% or more)

	 	Depositor
	 
	 	 
	§ Derivative Counterparty

	 	Depositor
	 
	 	 
	§ Custodian

	 	Custodian
	 
	 	 
	Item 2.04- Triggering Events that

	 	Depositor
	Accelerate or Increase a Direct Financial
	 	Master Servicer
	Obligation or an Obligation under an Off-
	 	Securities Administrator
	Balance Sheet Arrangement
	 	 
	 
	 	 
	Includes an early amortization,
performance trigger or other event,
including event of default, that would
materially alter the payment
priority/distribution of cash
flows/amortization schedule.
	 	 
	 
	 	 
	Disclosure will be made of events other
than waterfall triggers which are
disclosed in the Distribution Date
Statements to the certificateholders.
	 	 
	 
	 	 
	Item 3.03- Material Modification to Rights

of Security Holders

	 	Securities Administrator
Depositor
	 
	 	 
	 
	 	 
	Disclosure is required of any
material modification to documents
defining the rights of
Certificateholders, including the Pooling
and Servicing Agreement.
	 	 
	 
	 	 
	Item 5.03- Amendments of Articles of

	 	Depositor
	Incorporation or Bylaws; Change of Fiscal
	 	 
	Year
	 	 
	 
	Disclosure is required of any
amendment “to the governing documents of
the issuing entity”.
	 	 
	 
	 	 
	Item 6.01- ABS Informational and
	 	Depositor
	Computational Material

	 	
	 
	 	 
	Item 6.02- Change of Servicer or

	 	Master Servicer/Securities
	Securities Administrator

	 	Administrator/Depositor/
Servicer (as to itself)/Trustee
	 
	 	 
	Requires disclosure of any removal,
replacement, substitution or addition of
any master servicer, affiliated servicer,
other servicer servicing 10% or more of
pool assets at time of report, other
material servicers or trustee.
	 	 
	 
	 	 
	Reg AB disclosure about any new servicer
or master servicer is also required.

	 	Servicer (as to itself)/Master Servicer/Depositor
	 
	 	 
	Reg AB disclosure about any new Trustee
is also required.

	 	Depositor/Securities Administrator
	 
	 	 
	Item 6.03- Change in Credit Enhancement

	 	Depositor/Securities Administrator

Q-2

 

	 	 	 
	FORM 8-K DISCLOSURE INFORMATION 
	Item on Form 8-K	 	Party Responsible
	or External Support
	 	 
	 
	Covers termination of any
enhancement in manner other than by its
terms, the addition of an enhancement, or
a material change in the enhancement
provided. Applies to external credit
enhancements as well as derivatives.
	 	 
	 
	 	 
	Reg AB disclosure about any new
enhancement provider is also required.

	 	Depositor
	 
	 	 
	Item 6.04- Failure to Make a Required
	 	 
	Distribution

	 	Trustee/Securities Administrator
	 
	 	 
	Item 6.05- Securities Act Updating

	 	Depositor
	Disclosure
	 	 
	 
	 	 
	If any material pool characteristic
differs by 5% or more at the time of
issuance of the securities from the
description in the final prospectus,
provide updated Reg AB disclosure about
the actual asset pool.
	 	 
	 
	 	 
	If there are any new servicers or
originators required to be disclosed
under Regulation AB as a result of the
foregoing, provide the information called
for in Items 1108 and 1110 respectively.

	 	Depositor
	 
	 	 
	Item 7.01- Reg FD Disclosure

	 	All parties (as to themselves)
	 
	 	 
	Item 8.01- Other Events

	 	Depositor
	 
	 	 
	Any event, with respect to which
information is not otherwise called for
in Form 8-K, that the registrant deems of
importance to certificateholders.
	 	 
	 
	 	 
	Item 9.01- Financial Statements and

	 	Responsible party for reporting/disclosing the
	Exhibits

	 	financial statement or exhibit

Q-3

 

	 	 	 	 	 
	 	WELLS FARGO BANK, N.A., 

     as [Securities Administrator] [Master Servicer]

 	 
	 	By:  	 	 
	 	 	Name:  	 	 
	 	 	Title:  	 	 
	 

 

 

SCHEDULE A

MORTGAGE LOAN SCHEDULEexv10w2

 

Exhibit 10.2

EXECUTION

SEQUOIA MORTGAGE TRUST 2007-2

Mortgage Pass-Through Certificates

UNDERWRITING AGREEMENT

May 23, 2007

The Firm or Firms

     of Underwriters named

     on the signature page hereof

Ladies and Gentlemen:

     Sequoia Residential Funding, Inc., a Delaware corporation (the “Depositor”) and an indirect
wholly-owned limited purpose subsidiary of Redwood Trust, Inc., a Maryland corporation (“Redwood
Trust”), proposes to cause Sequoia Mortgage Trust 2007-2 (the “Issuing Entity”), a common law trust
governed by New York law, to issue and sell to you (each, an “Underwriter”) its Mortgage
Pass-Through Certificates, Class 1-A1, Class 1-A2, Class 1-A3, Class 1-AR, Class 1-XA, Class 1-XB,
Class 2A-A1, Class 2B-A1, Class 2-AR, Class 1B-1, Class 1B-2, Class 1B-3, Class 2B-1, Class 2B-2
and Class 2B-3 Certificates (collectively, the “Publicly-Offered Certificates”) having the
characteristics set forth in the Final Prospectus, evidencing beneficial ownership interests in the
Issuing Entity, the assets of which will consist primarily of three pools: (1) one pool of
adjustable rate, fully amortizing mortgage loans secured by first liens on one-to- four family
residential properties, (2) one pool of hybrid, fully amortizing mortgage loans secured by first
liens on one-to-four family residential properties and bearing interest at a fixed rate for an
initial 5-year period and at an adjustable rate thereafter and (3) one pool of hybrid, fully
amortizing mortgage loans secured by first liens on one-to-four family residential properties and
bearing interest at a fixed rate for an initial 10-year period and

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at an adjustable rate thereafter (collectively, the “Mortgage Loans”). Simultaneously with
the issuance and sale of the Publicly-Offered Certificates, the Class 1B-4, Class 1B-5, Class 1B-6,
Class 2B-4, Class 2B-5 and Class 2B-6, Class 1-LTR and Class 2-LTR Certificates (together with the
Publicly-Offered Certificates, the “Certificates”) are being issued. The Mortgage Loans will have
the characteristics described in the Final Prospectus, subject to the variances, ranges, minimums
and maximums set forth in the Final Prospectus.

     The Issuing Entity will be formed, and the Certificates will be issued, pursuant to a pooling
and servicing agreement (the “Pooling and Servicing Agreement”) dated as of May 1, 2007, by and
among the Depositor, HSBC Bank USA, National Association, as trustee (the “Trustee”), Wells Fargo
Bank, N.A., in the capacities of master servicer (in such capacity, the “Master Servicer”),
securities administrator (in such capacity, the “Securities Administrator”), and acknowledged by
RWT Holdings, Inc., a Delaware corporation and wholly-owned subsidiary of Redwood Trust, as seller
(the “Seller”). On or about May 25, 2007 (the “Closing Date”), the Seller will assign all of its
right, title and interest in the Mortgage Loans to the Depositor pursuant to a mortgage loan
purchase and sale agreement, dated as of May 1, 2007 (the “Mortgage Loan Purchase Agreement”),
between the Seller, as seller, and the Depositor, as purchaser. Pursuant to the Pooling and
Servicing Agreement, the Mortgage Loans will, in turn, be assigned by the Depositor to the Trustee
for the benefit of the Certificateholders, together with all principal and interest collections
received with respect to the Mortgage Loans after May 1, 2007 (the “Cut-off Date”). The Trustee
will concurrently with such assignment, authenticate and deliver the Certificates to the Depositor,
and the Depositor will sell the Publicly-Offered Certificates to the Underwriters. In addition,
pursuant to various assignment, assumption and recognition agreements (collectively, the
“Assignment Agreements”), (i) the Seller will assign its

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rights under various underlying mortgage loan purchase and servicing agreements relating to
the Mortgage Loans entered into by the Seller (collectively, the “Underlying Purchase and Servicing
Agreements”), to the Depositor and (ii) the Depositor will, in turn, assign its rights under the
Underlying Purchase and Servicing Agreements to the Trustee for the benefit of the
Certificateholders. The Master Servicer will monitor the servicing of the Mortgage Loans by the
servicers pursuant to the provisions of the Pooling and Servicing Agreement.

     The Pooling and Servicing Agreement, the Mortgage Loan Purchase Agreement, the Assignment
Agreements and this Agreement are sometimes referred to herein collectively as the “Transaction
Documents.” Capitalized terms shall have the respective meanings set forth in this Agreement (or
by reference to Section 10 hereof) or, if not defined therein, as set forth in the Pooling and
Servicing Agreement.

     1. Representations and Warranties. The Seller, the Depositor and Redwood Trust,
jointly and severally represent and warrant to, and agree with, each Underwriter that:

     (i) A registration statement on Form S-3 (File No. 333-132123) relating to mortgage
pass-through certificates has been filed with the Securities and Exchange Commission (the
“Commission”) and has become effective under the Securities Act of 1933, as amended (the
“Securities Act”). Such registration statement as of its effective date, and each amendment
thereto and any document incorporated by reference therein and any prospectus included or
deemed or retroactively deemed to be a part thereof pursuant to Rule 430A or Rule 430B, as
of the date of this Agreement, is hereinafter referred to as the “Registration Statement.”
The Registration Statement meets the requirements set forth in Rule 415(a)(1)(x) under the
Securities Act. As of the Closing Date, no stop order suspending the effectiveness of such
Registration Statement has been

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issued and no proceedings for that purpose have been initiated or, to the knowledge of
the Seller, the Depositor or Redwood Trust, threatened by the Commission. The Depositor
proposes to prepare and file with the Commission pursuant to Rule 424 under the Securities
Act a final prospectus dated July 26, 2006 (the “Base Prospectus”) to be supplemented by a
prospectus supplement dated the date hereof relating to the Publicly-Offered Certificates in
the form filed after the date of this Agreement pursuant to Section 424(b) that discloses
the public offering price and other final terms of the Publicly-Offered Certificates
(together with any revision, amendment or supplement, the “Prospectus Supplement”). The
Prospectus Supplement, together with the Base Prospectus, including the documents
incorporated therein as of the time of such filing is hereinafter referred to as the “Final
Prospectus.” In connection with the offering of the Publicly-Offered Certificates, the
Depositor has also prepared two preliminary prospectus supplements dated April 27, 2007 and
May 2, 2007, respectively, each of which constitutes a statutory prospectus to be
retroactively included in the Registration Statement and has been or will be filed with the
Commission pursuant to Rule 424(b) under the Securities Act (each, a “Preliminary Prospectus
Supplement” and together with the Base Prospectus, a “Preliminary Prospectus”). Each
Preliminary Prospectus and the Final Prospectus separately, are referred to herein as a
“Prospectus.” Any reference herein to the Registration Statement or a Prospectus shall be
deemed to refer to and include the documents incorporated by reference therein pursuant to
Item 12 of Form S-3 which were filed under the Securities Exchange Act of 1934, as amended
(the “Exchange Act”), on or before the date on which the Registration Statement, as amended,
became effective, or the issue date of a Preliminary Prospectus, or the date on which the
Final

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Prospectus is filed pursuant to Rule 424(b) under the Securities Act, as the case may
be; and any reference herein to the terms “amend,” “amendment” or “supplement” with respect
to the Registration Statement and each Prospectus shall be deemed to refer to and include
any document incorporated by reference therein which is filed under the Exchange Act after
the date on which the Registration Statement became effective, the issue date of each
Preliminary Prospectus or the date on which a Final Prospectus is filed pursuant to Rule
424(b) under the Securities Act, as the case may be.

     (ii) Each of (A) The Registration Statement, as of its effective date, (B) each
Preliminary Prospectus, taken together with the static pool information set forth in or
referred to under the caption “Static Pool Information” in each Preliminary Prospectus but
deemed to be excluded from the Registration Statement and each Preliminary Prospectus
pursuant to Item 1105(d) of Regulation AB (the “Designated Static Pool Information”), as of
its issue date, and (C) the Final Prospectus, taken together with the Designated Static Pool
Information set forth in or referred to under the caption “Static Pool Information” in such
Final Prospectus, as of its issue date, as revised, amended or supplemented and filed with
the Commission prior to the termination of the offering of the Publicly-Offered
Certificates, will conform in all material respects to the requirements of the Securities
Act and the rules and regulations (the “Regulations”) of the Commission thereunder
applicable to such documents as of their respective dates, and the Registration Statement,
the Designated Static Pool Information and the Final Prospectus as revised, amended or
supplemented and filed with the Commission as of the Closing Date will conform in all
material respects to the requirements of the Securities Act and the Regulations of the
Commission applicable to such documents as of the

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Closing Date. None of (A) the Registration Statement, at the time it became effective
and as of the Closing Date, (B) any Preliminary Prospectus (excluding information with
respect to the Group 1 Certificates set forth in the Preliminary Prospectus Supplement dated
April 27, 2007), taken together with the Designated Static Pool Information, as of its issue
date, or (C) the Final Prospectus, taken together with the Designated Static Pool
Information, as of its issue date, as of the date of any Contract of Sale, and as of the
Closing Date, contained or will contain any untrue statement of a material fact or omit to
state a material fact required to be stated therein or necessary to make the statements
therein, in the light of the circumstances under which they were made, not misleading;
provided, however, that the Seller, the Depositor and Redwood Trust make no representations,
warranties or agreements as to the information contained in a Prospectus or any revision or
amendment thereof or supplement thereto (in the case of the Final Prospectus) in reliance
upon and in conformity with information furnished in writing to the Depositor by or on
behalf of any Underwriter specifically for use in connection with the preparation of a
Prospectus or any revision or amendment thereof or supplement thereto (in the case of the
Final Prospectus), such information being defined as the “Underwriter Information” in
Section 10 hereof.

     If, subsequent to the date of this Agreement, the Depositor and the Underwriters
determine that such information included an untrue statement of material fact or omitted to
state a material fact necessary in order to make the statements therein, in the light of the
circumstances under which they were made, not misleading and terminate their old Contracts
of Sale and enter into new Contracts of Sale with investors in the Publicly-Offered
Certificates, then each Preliminary Prospectus and the Designated Static Pool

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Information will refer to the information agreed upon in writing by the Depositor and
the Underwriters and conveyed to purchasers at the time of entry into the first such new
Contract of Sale, including any information that corrects such material misstatements or
omissions (“Corrective Information”) and the date of each affected Contract of Sale will
refer to the time and date agreed upon by the Depositor and the Underwriters.

     (iii) The conditions to the use by the Depositor of a registration statement on Form
S-3 under the Securities Act, as set forth in the General Instructions to Form S-3, have
been satisfied with respect to the Registration Statement. There are no contracts or
documents of the Depositor which are required to be filed as exhibits to the Registration
Statement pursuant to the Securities Act or the Regulations of the Commission thereunder
which have not been so filed.

     (iv) (A) At the time of the filing of the Registration Statement and (B) at the date
of this Agreement, the Depositor was not and is not an “ineligible issuer,” as defined in
Rule 405 under the Securities Act.

     (v) As of the date hereof, as of the date of any Contract of Sale (if dated prior to
the date hereof) and at all subsequent times through the completion of the public offer and
sale of the Publicly-Offered Certificates, any Preliminary Prospectus (excluding
information with respect to the Group 1 Certificates set forth in the Preliminary Prospectus
Supplement dated April 27, 2007) issued at or prior to the date hereof, any Issuer
Information or the Seller Mortgage Loan Information (each as defined below) contained in a
Free Writing Prospectus did not include any untrue statement of a material fact or omit to
state any material fact necessary in order to make the statements therein, in the light of
the circumstances under which they were made, not misleading.

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     (vi) The Publicly-Offered Certificates conform in all material respects to the
description thereof contained in the Final Prospectus. The issuance of the Publicly-Offered
Certificates has been authorized, and on the Closing Date the Publicly-Offered Certificates
will have been duly and validly executed, authenticated and delivered in accordance with the
Pooling and Servicing Agreement and delivered to the Underwriters for the account of the
Underwriters against payment therefor as provided herein, and such Certificates will be duly
and validly issued and outstanding and entitled to the benefits afforded by the Pooling and
Servicing Agreement. Each Publicly-Offered Certificate of the Class (or if applicable,
Classes) or type indicated to be “mortgage related securities” under the heading “Summary of
Terms — Legal Investment” in the Prospectus Supplement will, when issued, be a “mortgage
related security” as such term is defined in Section 3(a)(41) of the Exchange Act.

     (vii) This Agreement has been duly authorized, executed and delivered by each of the
Seller, the Depositor and Redwood Trust, and as of the Closing Date, each of the other
Transaction Documents to which the Seller, the Depositor or Redwood Trust is a party will
have been, duly authorized, executed and delivered by the Seller, the Depositor or Redwood
Trust, as applicable, and will conform in all material respects to the descriptions thereof
contained in the Final Prospectus and, assuming the valid execution and delivery thereof by
the other parties thereto, each Transaction Document to which Redwood Trust, the Seller or
the Depositor is a party will constitute a legal, valid and binding agreement of the Seller,
the Depositor or Redwood Trust, as applicable, enforceable in accordance with its terms,
except as the same may be limited by

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bankruptcy, insolvency, reorganization or other similar laws affecting creditors’
rights generally and by general principles of equity.

     (viii) Each of the Seller, the Depositor and Redwood Trust has been duly incorporated
and is validly existing as a corporation in good standing under the laws of its respective
State of incorporation, and each of the Seller, the Depositor and Redwood Trust is duly
qualified to do business as a foreign corporation and is in good standing under the laws of
each jurisdiction where the character of its respective properties or the nature of its
respective activities makes such qualification necessary, except such jurisdictions, if any,
in which the failure to be so qualified will not have a material adverse effect on the
condition (financial or otherwise), earnings, regulatory affairs, business affairs, business
prospects or properties of Redwood Trust, the Seller or the Depositor; each of Redwood
Trust, the Seller and the Depositor holds all material licenses, certificates and permits
from all governmental authorities necessary for the conduct of its respective business as
described in the Final Prospectus; and each of the Seller, the Depositor and Redwood Trust
has the corporate power and authority to own its respective properties and conduct its
respective business as described in the Final Prospectus and to enter into and perform its
respective obligations under each Transaction Document to which it is a party.

     (ix) Neither the issuance, delivery or sale of the Publicly-Offered Certificates, nor
the consummation of any other of the transactions contemplated herein, nor the execution and
delivery of the Transaction Documents by the Seller, the Depositor or Redwood Trust, as
applicable, and compliance with the provisions of the Transaction Documents, does or will
conflict with or result in the breach of any material term or

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provision of the certificate of incorporation or by-laws of the Seller, the Depositor,
or Redwood Trust, and none of the Seller, the Depositor or Redwood Trust is in breach or
violation of or in default (nor has an event occurred which with notice or lapse of time or
both would constitute a default) under the terms of (i) any indenture, contract, lease,
mortgage, deed of trust, note, agreement or other evidence of indebtedness or other
agreement, obligation or instrument to which the Seller, the Depositor or Redwood Trust is a
party or by which it or its respective properties are bound, or (ii) any law, decree, order,
rule or regulation applicable to the Seller, the Depositor or Redwood Trust of any court or
supervisory, regulatory, administrative or governmental agency, body or authority, or
arbitrator having jurisdiction over the Seller, the Depositor or Redwood Trust, or its
respective properties, the default, breach or violation of which would have a material
adverse effect on the Depositor, Redwood Trust, the Issuing Entity or the Certificates or on
the ability of the Seller, the Depositor or Redwood Trust to perform its respective
obligations under the Transaction Documents to which it is a party; and none of the delivery
of the Certificates, the consummation of any other of the transactions contemplated herein,
or the compliance with the provisions of the Transaction Documents will result in such a
default, breach or violation or which would have such a material adverse effect.

     (x) No filing or registration with, notice to, or consent, approval, authorization or
order or other action of any court or governmental authority or agency is required for the
consummation by the Seller, the Depositor or Redwood Trust of the transactions contemplated
by the Transaction Documents to which it is a party (other than as required under “blue sky”
or state securities laws, as to which no representations and warranties

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are made by the Seller, the Depositor or Redwood Trust), except such as have been, or
will have been prior to the Closing Date, obtained under the Securities Act, and such
recordations of the assignment of the Mortgage Loans to the Trustee (to the extent such
recordations are required pursuant to the Pooling and Servicing Agreement) that have not yet
been completed.

     (xi) There is no action, order, suit or proceeding before or by any court,
administrative or governmental agency now pending to which the Seller, the Depositor or
Redwood Trust is a party, or to the best knowledge of each of the Seller, the Depositor or
Redwood Trust, threatened against the Seller, the Depositor or Redwood Trust, which could
reasonably result individually or in the aggregate in any material adverse change in the
condition (financial or otherwise), earnings, regulatory affairs, business affairs, business
prospects or properties of the Seller, the Depositor or Redwood Trust or could reasonably
interfere with or materially and adversely affect the consummation of the transactions
contemplated by the Transaction Documents.

     (xii) At the time of execution and delivery of the Mortgage Loan Purchase Agreement
between the Seller and the Depositor, the Seller will own the Mortgage Loans being sold to
the Depositor pursuant thereto, free and clear of any lien, mortgage, pledge, charge,
encumbrance, adverse claim or other security interest (collectively “Liens”), except to the
extent permitted by the Mortgage Loan Purchase Agreement, and will not have assigned to any
person other than the Depositor any of its right, title or interest in the Mortgage Loans.

     (xiii) Immediately prior to the assignment of the Mortgage Loans by the Depositor to
the Trustee as contemplated by the Pooling and Servicing Agreement, the

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Depositor (i) will have good title to and be the sole owner of, each such Mortgage Loan
free and clear of any Lien, (ii) will not have assigned to any Person any of its rights,
title or interest in and to such Mortgage Loans or in the Underlying Purchase and Servicing
Agreements and (iii) will have the power and authority to sell such Mortgage Loans to the
Trustee, and upon execution and delivery of the Pooling and Servicing Agreement by the
Trustee, the Trustee will have acquired all of the Depositor’s right, title and interest in
and to such Mortgage Loans.

     (xiv) Any taxes, fees and other governmental charges in connection with the execution,
delivery and issuance of the Transaction Documents and the Certificates have been or will be
paid by the Seller, the Depositor or Redwood Trust at or prior to the Closing Date, except
(if applicable) for fees for recording assignments of the Mortgage Loans to the Trustee
pursuant to the Pooling and Servicing Agreement that have not yet been completed, which fees
will be paid by or on behalf of Redwood Trust.

     (xv) The Mortgage Loans conform in all material respects to the description thereof
contained in the Final Prospectus.

     (xvi) Neither the Depositor nor the Issuing Entity is, and neither the issuance and
sale of the Certificates nor the activities of the Issuing Entity pursuant to the Pooling
and Servicing Agreement will cause the Depositor or the Issuing Entity to be, an “investment
company” or under the interest of an “investment company” as such terms are defined in the
Investment Company Act of 1940, as amended (the “Investment Company Act”).

     (xvii) None of the Seller, the Depositor or Redwood Trust is doing business with Cuba.

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     (xviii) As of the date of delivery, any Seller Mortgage Loan Information provided to
the Underwriters is true and correct in all material respects, or if there is any material
error in any Seller Mortgage Loan Information, the Depositor or the Seller has promptly
provided corrected information to the Underwriters.

     2. Purchase and Sale. Subject to the terms and conditions and in reliance upon the
representations and warranties set forth herein, the Depositor agrees to sell, and each Underwriter
agrees, severally and not jointly, to purchase from the Depositor, each Class of Publicly-Offered
Certificates to be purchased by such Underwriter, in the respective initial Class Principal
Amounts, and at the respective purchase price for each Underwriter, as set forth on Schedule 1
annexed hereto (including accrued interest from and including the Cut-off Date to, but not
including, the Closing Date, except in the case of the Class 1-A1, Class 1-A2, Class 1-A3, Class
1-B1 and Class 1-B2 Certificates).

     3. Delivery and Payment. The Publicly-Offered Certificates shall be delivered at the
office, on the date and at the time specified in the Final Prospectus, which place, date and time
may be changed by agreement between the Underwriters and the Depositor. Delivery of the
Publicly-Offered Certificates shall be made to each of the Underwriters as against their respective
payment of the purchase price therefor to or upon the order of the Issuing Entity in immediately
available federal funds. The Publicly-Offered Certificates shall be registered in such names and
in such denominations as required by book-entry registration not less than two full business days
prior to the Closing Date. The Depositor agrees to cause the Publicly-Offered Certificates to be
made available for inspection, checking and packaging in New York, New York on the business day
prior to the Closing Date.

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     4. Offering Procedures. It is understood that the Underwriters propose to offer the
Publicly-Offered Certificates for sale as set forth in the Final Prospectus and that you will not
offer, sell or otherwise distribute the Publicly-Offered Certificates (except for the sale thereof
in exempt transactions) in any state in which the Publicly-Offered Certificates are not exempt from
registration under “blue sky” or state securities laws (except where the Publicly-Offered
Certificates will have been qualified for offering and sale at your direction under such “blue sky”
or state securities laws).

     Neither the Depositor nor any Underwriter will disseminate to any potential investor
information relating to the Publicly-Offered Certificates that constitutes a “written
communication” within the meaning of Rule 405 under the Securities Act, other than the Preliminary
Term Sheet, each Prospectus and, in the case of the Underwriters, Derived Information or Custom
Loan Information, unless (i) if an Underwriter seeks to disseminate such information, such
Underwriter has obtained the prior consent of the Depositor, or (ii) if the Depositor seeks to
disseminate such information, the Depositor has notified the Underwriters.

     An Underwriter may convey Derived Information or Custom Loan Information to a potential
investor prior to entering into a Contract of Sale with such investor; provided, however, that
Derived Information shall not be distributed in a manner reasonably designed to lead to its broad
unrestricted dissemination within the meaning of Rule 433(d) under the Securities Act. Each
Underwriter shall deliver to the Depositor and its counsel a copy, in electronic form, of each Free
Writing Prospectus disseminated by such Underwriter that is required to be filed with the
Commission, not later than one business day prior to the date on which such Free Writing Prospectus
is required under the Regulations to be so filed. Each Underwriter will comply with

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the requirements of Rule 433(g) applicable to any Free Writing Prospectus, including document
retention and record-keeping.

     The Depositor represents that it has treated and agrees that it will treat each Free Writing
Prospectus as an “issuer free writing prospectus,” as defined in Rule 433, and has complied and
will comply with the requirements of Rule 433 applicable to any Free Writing Prospectus, including
timely Commission filing where required, legending and record-keeping.

     Neither the Depositor nor any Underwriter shall disseminate or file with the Commission any
information relating to Publicly-Offered Certificates in reliance on Rule 167 or 426 under the
Securities Act, nor shall any Underwriter disseminate any Free Writing Prospectus in a manner
reasonably designed to lead to its broad unrestricted dissemination within the meaning of Rule
433(d) under the Securities Act.

     Prior to or simultaneously with entering into a Contract of Sale, each Underwriter shall
deliver to the related purchaser a copy of the Final Prospectus, or if prior to the date hereof, a
copy of the Preliminary Prospectus, in the form that such Underwriter and the Depositor have agreed
most recently prior thereto shall be used for offers and sales of the Publicly-Offered
Certificates. Each confirmation of sale with respect to the Publicly-Offered Certificates
delivered by an Underwriter shall, if such confirmation of sale is not preceded or accompanied by
delivery of the Final Prospectus, include a legend to the following effect, or a similar legend, in
compliance with Rule 173 under the Securities Act:

Rule 173 notice: This security was sold pursuant to an effective registration
statement that is on file with the SEC. You may request a copy of the Prospectus at
www.sec.gov, or by calling 1-800-323-5678.

     5. Agreements.

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     The Depositor agrees with each Underwriter that:

          (i) The Depositor will cause the Preliminary Prospectus and the Final Prospectus to be
filed with the Commission pursuant to Rule 424(b) under the Securities Act not later than
9:00 a.m. (New York time) on the Closing Date, will promptly advise each Underwriter when
such Prospectus has been so filed, and, prior to the termination of the offering of the
Publicly-Offered Certificates, will also promptly advise each Underwriter (i) when any
amendment to the Registration Statement has become effective or any revision of or
supplement to the Final Prospectus has been so filed (unless such amendment, revision or
supplement does not relate to the Publicly-Offered Certificates or the Issuing Entity), (ii)
of any request by the Commission for any amendment of the Registration Statement or any
Final Prospectus or for any additional information (unless such amendment or request for
additional information does not relate to the Publicly-Offered Certificates or the Issuing
Entity), (iii) of any written notification received by the Depositor of the suspension of
qualification of the Publicly-Offered Certificates for sale in any jurisdiction or the
initiation or threatening of any proceeding for such purpose and (iv) of the issuance by the
Commission of any stop order suspending the effectiveness of the Registration Statement or
the institution or, to the knowledge of the Depositor, the threatening of any proceeding for
that purpose. The Depositor will use its best efforts to prevent the issuance of any such
stop order and, if issued, to obtain as soon as possible the withdrawal thereof. The
Depositor will not file prior to the termination of such offering any amendment to the
Registration Statement or any revision of or supplement to the Final Prospectus (other than
any such amendment, revision or supplement which

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does not relate to Publicly-Offered Certificates or the Issuing Entity) which shall be
disapproved by the Underwriters after reasonable notice and review of such filing.

     (ii) If, at any time when a prospectus relating to the Publicly-Offered Certificates is
required to be delivered under the Securities Act, (i) any event occurs as a result of which
the Final Prospectus (including in each case, the Designated Static Pool Information) or a
Preliminary Prospectus (if used by the Underwriters to enter into a Contract of Sale) as
then amended or supplemented would include any untrue statement of a material fact or omit
to state a material fact necessary to make the statements therein in the light of the
circumstances under which they were made not misleading, or (ii) it shall be necessary to
revise, amend or supplement the Final Prospectus to comply with the Securities Act or the
Regulations of the Commission thereunder, the Depositor promptly will notify each
Underwriter and will, upon the request of any Underwriter, or may, after consultation with
each Underwriter, prepare and file with the Commission a revision, amendment or supplement
which will correct such statement or omission or effect such compliance, and furnish without
charge to each Underwriter as many copies as such Underwriter may from time to time
reasonably request of an amended Final Prospectus or a Preliminary Prospectus (if used by
the Underwriters to enter into a Contract of Sale) or a supplement to the Final Prospectus
or a Preliminary Prospectus (if used by the Underwriters to enter into a Contract of Sale)
which will correct such statement or omission or effect such compliance.

     (iii) The Depositor will furnish to each Underwriter and counsel to the Underwriters,
without charge, conformed copies of the Registration Statement (including exhibits thereto)
and, so long as delivery of a prospectus relating to the Publicly-Offered

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Certificates is required under the Securities Act, as many copies of the Preliminary
Prospectus, the Final Prospectus and any revisions or amendments thereof or supplements
thereto as may be reasonably requested.

     (iv) The Depositor will, as between itself and the Underwriters, pay all expenses
incidental to the performance of the obligations of the Depositor, the Seller or Redwood
Trust under this Agreement, including without limitation (i) expenses of preparing, printing
and reproducing the Registration Statement, each Preliminary Prospectus, the Final
Prospectus, any Free Writing Prospectuses, the Transaction Documents and the Certificates,
(ii) the cost of delivering the Publicly-Offered Certificates to the Underwriters, (iii) the
fees charged by securities rating agencies for rating the Publicly-Offered Certificates,
(iv) all transfer taxes, if any, with respect to the sale and delivery of the
Publicly-Offered Certificates to the Underwriters, (v) any expenses for the qualification of
the Publicly-Offered Certificates under “blue sky” or state securities laws, including
filing fees and the fees and disbursements of counsel for such Underwriter in connection
therewith and in connection with the preparation of any Blue Sky Survey, (vi) all other
costs and expenses incidental to the performance by the Depositor, the Seller or Redwood
Trust of their respective obligations hereunder which are not otherwise specifically
provided for in this subsection, (vii) the fees of any counsel to the Underwriters,
including the fees incurred in connection with the review of the Transaction Documents and
the preparation of the Underwriting Agreement and the legal opinions and (viii) the fees of
any accountants in connection with preparation of any comfort letters in connection with a
Prospectus or with respect to Designated Static Pool Information. In addition, it is
understood that, except as provided in this paragraph (iv)

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and in Section 9 hereof, the Underwriters will pay all the following additional
expenses: (i) any transfer taxes on resale of any of the Publicly-Offered Certificates by
them and (ii) any advertising expenses connected with any offers that such Underwriters may
make.

     (v) So long as any Publicly-Offered Certificates are outstanding, upon request of any
Underwriter, the Depositor will furnish, or will cause to be furnished, to such Underwriter,
as soon as available, a copy of (i) the annual statement of compliance prepared by the
Master Servicer and the servicers pursuant to the Pooling and Servicing Agreement or the
Assignment Agreements, respectively, (ii) each report regarding the Publicly-Offered
Certificates filed with the Commission under the Exchange Act or mailed to the holders of
the Publicly-Offered Certificates and (iii) from time to time, such other information
concerning the Publicly-Offered Certificates which may be furnished by the Depositor or the
Trustee without undue expense and without violation of applicable law.

     (vi) [Reserved]

     (vii) For a period ending on the Closing Date, the Depositor shall not offer or sell,
or announce the offering of, or cause any trust created by the Depositor to offer or sell,
or announce the offering of, any mortgage pass-through certificates or other similar
mortgage-related securities, without the prior written consent of the Underwriters.

     (viii) The Depositor has prepared each Preliminary Prospectus described in Section 1(i)
relating to the Publicly-Offered Certificates, in a form consented to by the Underwriters,
and has filed or will file each such Preliminary Prospectus within the period required by
Rule 424(b).

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     (ix) All written and graphic communications relating to the Publicly-Offered
Certificates used prior to the availability of a Prospectus will comply with the
requirements of Rule 433, including the inclusion of the legend required by Rule 433(c)(2).

          Redwood Trust covenants with each Underwriter and with the Depositor that it shall notify you
and the Depositor of the occurrence of any material events respecting the activities, affairs or
condition, financial or otherwise, of Redwood Trust and its subsidiaries and, if as a result of any
such event it is necessary to amend or supplement any Prospectus in order to make such Prospectus
not misleading in the light of the circumstances existing at the time it is delivered to a
purchaser, Redwood Trust will forthwith supply such information to the Depositor as shall be
necessary for the Depositor to prepare an amendment or supplement to such Prospectus so that, as so
amended or supplemented, such Prospectus (including in each case, the Designated Static Pool
Information) will not contain an untrue statement of a material fact or omit to state a material
fact necessary in order to make the statements therein, in the light of the circumstances existing
at the time it is delivered to a purchaser, not misleading.

     6. Conditions to the Obligations of Underwriters. The obligation of each Underwriter
to purchase the Publicly-Offered Certificates to be purchased by it as set forth on Schedule 1
annexed hereto shall be subject to the accuracy in all material respects of the representations and
warranties on the part of the Seller, the Depositor and Redwood Trust contained herein as of the
date hereof and as of the Closing Date, to the accuracy of the statements of the Seller, the
Depositor and Redwood Trust made in any officer’s certificate pursuant to the provisions hereof, to
the performance in all material respects by the Seller, the Depositor and Redwood Trust of its
obligations hereunder and to the following additional conditions:

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          No stop order suspending the effectiveness of the Registration Statement shall have been
issued and no proceedings for that purpose shall have been instituted and be pending or shall have
been threatened, any requests for additional information on the part of the Commission (to be
included in the Registration Statement or in a Prospectus or otherwise) shall have been complied
with to the reasonable satisfaction of the Underwriters, and each Preliminary Prospectus and the
Final Prospectus shall have been filed or transmitted for filing with the Commission not later than
the time the same is required to be filed or transmitted for filing pursuant to the Regulations of
the Commission.

          Each of the Depositor and the Seller shall have furnished to the Underwriters a certificate,
dated the Closing Date, signed by the Chairman of the Board or the President and the principal
financial or accounting officer of such entity, to the effect that each signer of such certificate
has carefully examined the Registration Statement, the Final Prospectus, each Preliminary
Prospectus, the Designated Static Pool Information and this Agreement and that:

     (i) The representations and warranties made by such entity herein are true and correct
in all material respects on and as of the Closing Date with the same effect as if made on
the Closing Date, and such entity has complied with all agreements and satisfied all the
conditions on its part to be performed or satisfied at or prior to the Closing Date;

     (ii) No stop order suspending the effectiveness of the Registration Statement has been
issued, and no proceedings for that purpose have been instituted and are pending or, to the
knowledge of such officer, have been threatened as of the Closing Date;

     (iii) Nothing has come to the attention of such officer that would lead such officer to
believe that either Preliminary Prospectus (excluding information with respect to the Group
1 Certificates set forth in the Preliminary Prospectus Supplement dated

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April 27, 2007) or the Final Prospectus (including in each case, the Designated Static
Pool Information) contains any untrue statement of a material fact or omits to state any
material fact necessary in order to make the statements therein, in the light of the
circumstances under which they were made, not misleading; and

     (iv) Nothing has come to the attention of such officer that would lead such officer to
believe that any Seller Mortgage Loan Information contains any untrue statement of a
material fact or, in conjunction with either Preliminary Prospectus or the Final Prospectus
(including in each case, the Designated Static Pool Information), omits any material fact
necessary in order to make the statements therein, in the light of the circumstances under
which they were made, not misleading.

          Redwood Trust shall have furnished to the Underwriters a certificate, dated the Closing Date,
of Redwood Trust, signed by the Chairman of the Board or President and the principal financial or
accounting officer of Redwood Trust, to the effect that each signer of such certificate has
carefully examined the Registration Statement, each Preliminary Prospectus, the Final Prospectus,
the Designated Static Pool Information and this Agreement and that:

     (v) The representations and warranties of Redwood Trust herein are true and correct in
all material respects on and as of the Closing Date with the same effect as if made on the
Closing Date, and Redwood Trust has complied with all agreements and satisfied all the
conditions on its part to be performed or satisfied at or prior to the Closing Date;

     (vi) No stop order suspending the effectiveness of the Registration Statement has been
issued, and no proceedings for that purpose have been instituted and are pending or, to the
knowledge of such officer, have been threatened as of the Closing Date; and

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     (vii) Nothing has come to the attention of such officer that would lead such officer to
believe that either Preliminary Prospectus (excluding information with respect to the Group
1 Certificates set forth in the Preliminary Prospectus Supplement dated April 27, 2007) or
the Final Prospectus (including in each case, the Designated Static Pool Information)
contains any untrue statement of a material fact or omits to state any material fact
necessary in order to make the statements therein, in the light of the circumstances under
which they were made, not misleading.

          Each of the Depositor and the Seller shall have furnished to you an opinion, dated the Closing
Date, of Tobin & Tobin, special counsel to the Depositor and the Seller, in form and substance
satisfactory to the Underwriters and counsel to the Underwriters, to the effect that:

     (viii) Such entity has been duly incorporated, is validly existing as a corporation in
good standing under the laws of the State of its incorporation and is duly qualified to do
business in, and is in good standing as a foreign corporation under the laws of, each
jurisdiction where the character of its properties or the nature of its activities makes
such qualification necessary, except such jurisdictions, if any, in which the failure to be
so qualified will not have a material adverse effect on the condition (financial or
otherwise), earnings, regulatory affairs, business affairs, business prospects or properties
of such entity; and such entity holds all material licenses, certificates and permits from
all governmental authorities necessary for the conduct of its business as described in the
Final Prospectus;

     (ix) No filing or registration with, notice to, or consent, approval, authorization,
order or other action of any governmental agency or body or any court is required for the
consummation by such entity of the transactions contemplated by the

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terms of the Transaction Documents to which it is a party except such as may be
required under the “blue sky” or state securities laws of any jurisdiction in connection
with the offering, sale or acquisition of the Publicly-Offered Certificates, any
recordations of the Mortgage Loans to the Trustee (to the extent such recordations are
required pursuant to the Pooling and Servicing Agreement) that have not yet been completed
and such other approvals as have been obtained;

     (x) The issuance, delivery and sale of the Publicly-Offered Certificates to be
purchased by the Underwriters pursuant to this Agreement, the execution and delivery of the
Transaction Documents by such entity and the consummation of any of the transactions
contemplated by the terms of the Transaction Documents do not conflict with or result in a
breach or violation of any material term or provision of, or constitute a default under, the
certificate of incorporation or by-laws of such entity, or any indenture, contract, lease,
mortgage, deed of trust, note, agreement or other evidence of indebtedness or other
agreement, obligation or instrument to which such entity is a party or by which it or its
property is bound, or any statute or any law, decree, order, rule or regulation applicable
to such entity of any court, regulatory body, administrative agency or governmental body
having jurisdiction over such entity or its properties;

     (xi) There are no legal or governmental actions, investigations or proceedings pending
to which such entity is a party, or, to the best knowledge of such counsel, threatened
against the such entity, (A) asserting the invalidity of any Transaction Document or the
Certificates, (B) seeking to prevent the issuance of the Certificates or the consummation of
any of the transactions contemplated by any Transaction Document, (C) which might materially
and adversely affect the performance by such entity of its

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respective obligations under, or the validity or enforceability of, any Transaction
Document or the Certificates or (D) seeking to affect adversely the Federal income tax
attributes of the Publicly-Offered Certificates as described in the Final Prospectus under
the heading “Material Federal Income Tax Consequences” or the state income tax attributes of
the Publicly-Offered Certificates as described in the Final Prospectus under the heading
“State Tax Considerations;”

     (xii) The Registration Statement and any amendments thereto have become effective under
the Securities Act; to the best knowledge of such counsel, no stop order suspending the
effectiveness of the Registration Statement has been issued and not withdrawn, no
proceedings for that purpose have been instituted or threatened and not terminated; and the
Registration Statement and each Prospectus and each amendment or supplement thereto (in the
case of the Registration Statement and the Final Prospectus), as of their respective
effective or issue dates (other than the financial and statistical information contained
therein as to which such counsel need express no opinion), complied as to form in all
material respects with the applicable requirements of the Securities Act and the respective
rules and regulations thereunder;

     (xiii) To the best knowledge of such counsel, there are no material contracts,
indentures or other documents of a character required to be described or referred to in the
Registration Statement or any Prospectus or to be filed as exhibits to the Registration
Statement other than those described or referred to therein or filed or incorporated by
reference as exhibits thereto;

     (xiv) Each Transaction Document to which such entity is a party has been duly
authorized, executed and delivered by such entity and constitutes a valid, legal and

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binding agreement of such entity enforceable against such entity in accordance with its
terms, subject, as to enforceability to bankruptcy, insolvency, reorganization, moratorium
or other similar laws affecting creditors’ rights generally and to general principles of
equity regardless of whether enforcement is sought in a proceeding in equity or at law;

     (xv) The direction by the Depositor to the Trustee to execute, authenticate and deliver
the Publicly-Offered Certificates has been duly authorized by the Depositor, and the
Publicly-Offered Certificates, when authenticated by the Trustee in the manner anticipated
by the Pooling and Servicing Agreement and delivered and paid for by you as provided in this
Agreement, will be validly issued and outstanding and entitled to the benefits of the
Pooling and Servicing Agreement;

     (xvi) The Publicly-Offered Certificates and the Transaction Documents conform in all
material respects to the descriptions thereof contained in the Final Prospectus;

     (xvii) The statements in the Final Prospectus under the headings “Certain Legal Aspects
of the Loans” and “Legal Investment,” to the extent that they constitute matters of law or
legal conclusions with respect thereto, have been reviewed by such counsel and are correct
in all material respects;

     (xviii) The Publicly-Offered Certificates indicated under the heading “Summary of Terms
— Legal Investment” in the Final Prospectus to be “mortgage related securities” will be
mortgage related securities, as defined in Section 3(a)(41) of the Exchange Act, so long as
such Publicly-Offered Certificates are rated in one of the two highest rating categories by
at least one nationally recognized statistical rating organization; and

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     (xix) The Pooling and Servicing Agreement is not required to be qualified under the
Trust Indenture Act of 1939, as amended, and neither the Depositor nor the Issuing Entity is
required to be registered as an “investment company” under the 1940 Act.
Such opinion of counsel shall also include negative assurances with respect to each

Preliminary Prospectus and the Final Prospectus.

     Such opinion may express its reliance as to factual matters on the representations and
warranties made by, and on certificates or other documents furnished by officers of, the parties to
the Transaction Documents. Such opinion may assume the due authorization, execution and delivery
of the instruments and documents referred to therein by the parties thereto other than the Seller,
the Depositor and Redwood Trust. Such opinion may be qualified as an opinion only on the laws of
the States of New York, California and Delaware and the federal law of the United States. To the
extent that such firm relies upon the opinion of other counsel in rendering any portion of its
opinion, the opinion of such other counsel shall be attached to and delivered with the opinion of
such firm that is delivered to you.

          The Depositor shall have furnished to the Underwriters an opinion, dated the Closing Date, of
Chapman and Cutler LLP, special tax counsel to the Depositor, in form and substance satisfactory to
the Underwriters and counsel to the Underwriters, to the effect that:

     (xx) the statements in the Final Prospectus under the heading “Material Federal Income
Tax Consequences,” as supplemented or modified by the statements in the Prospectus
Supplement under the heading “Federal Income Tax Consequences,” to the extent that they
constitute matters of law or legal conclusions with respect to Federal income tax matters,
are correct in all material respects;

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     (xxi) each segregated asset pool for which the Pooling and Servicing Agreement directs
the Trustee to make a REMIC election will qualify as a REMIC within the meaning of Section
860D of the Code;

     (xxii) the Reserve Fund is an “outside reserve fund” that is beneficially owned by the
owners of the Class 1-XA and Class 1-XB Certificates, as applicable; and

     (xxiii) the rights of the owners of the Class 1-A1, Class 1-B1 and Class 1-B2
Certificates with respect to the Reserve Fund represent, for federal income tax purposes,
contractual rights that are separate from their regular interests within the meaning of
Treasury Regulations Section 1.860G-2(i)

          Redwood Trust shall have furnished to the Underwriters an opinion, dated the Closing Date, of
Tobin & Tobin, special counsel to Redwood Trust, in form and substance satisfactory to the
Underwriters and counsel to the Underwriters, to the effect that:

     (xxiv) Redwood Trust has been duly incorporated and is validly existing as a
corporation in good standing under the laws of the State of Maryland and is duly qualified
to do business in, and is in good standing as a foreign corporation under the laws of, each
jurisdiction where the character of its properties or the nature of its activities makes
such qualification necessary, except such jurisdictions, if any, in which the failure to be
so qualified will not have a material adverse effect on the condition (financial or
otherwise), earnings, regulatory affairs, business affairs, business prospects or properties
of Redwood Trust; and Redwood Trust holds all material licenses, certificates and permits
from all governmental authorities necessary for the conduct of its business as described in
the Final Prospectus;

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     (xxv) Each Transaction Document to which Redwood Trust is a party has been duly
authorized, executed and delivered by Redwood Trust and constitutes a valid, legal and
binding agreement of Redwood Trust, enforceable against Redwood Trust in accordance with its
terms, subject, as to enforceability to bankruptcy, insolvency, reorganization, moratorium
or other similar laws affecting creditors’ rights generally and to general principles of
equity regardless of whether enforcement is sought in a proceeding in equity or at law;

     (xxvi) No consent, approval, authorization or order of any court or governmental agency
or body is required for the consummation by Redwood Trust of the transactions contemplated
by the terms of the Transaction Documents to which Redwood Trust is a party except such as
may be required under the “blue sky” or state securities laws of any jurisdiction in
connection with the offering, sale or acquisition of the Publicly-Offered Certificates, any
recordations of the assignment of the Mortgage Loans to the Trustee (to the extent such
recordations are required pursuant to the Pooling and Servicing Agreement) that have not yet
been completed and such other approvals as have been obtained;

     (xxvii) The consummation of any of the transactions contemplated by the terms of the
Transaction Documents to which Redwood Trust is a party do not conflict with or result in a
breach or violation of any material term or provision of, or constitute a default under, the
charter or by-laws of Redwood Trust, or, to the best knowledge of such counsel, any
indenture or other agreement or instrument to which Redwood Trust is a party or by which it
is bound, or any statute or regulation applicable to Redwood Trust or

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any order of any court, regulatory body, administrative agency or governmental body
having jurisdiction over Redwood Trust; and

     (xxviii) There are no legal or governmental actions, investigations or proceedings
pending to which Redwood Trust is a party, or, to the best knowledge of such counsel,
threatened against Redwood Trust, (A) asserting the invalidity of any Transaction Document
to which Redwood Trust is a party or (B) which might materially and adversely affect the
performance by Redwood Trust of its obligations under, or the validity or enforceability of
any Transaction Document to which Redwood Trust is a party.

     Such opinion may express its reliance as to factual matters on the representations and
warranties made by, and on certificates or other documents furnished by officers of, the parties to
the Transaction Documents. Such opinion may assume the due authorization, execution and delivery
of the instruments and documents referred to therein by the parties thereto other than Redwood
Trust, the Seller and the Depositor. Such opinion may be qualified as an opinion only on the laws
of the States of Maryland, New York and California and the federal law of the United States. To
the extent that such counsel relies upon the opinion of other counsel in rendering any portion of
its opinion, the opinion of such other counsel shall be attached to and delivered with the opinion
of such counsel that is delivered to the Underwriters.

          The Trustee shall have furnished to the Underwriters an opinion, dated the Closing Date, of
Pryor Cashman Sherman & Flynn LLP, counsel to the Trustee, in form and substance satisfactory to
the Underwriters and counsel to the Underwriters, to the effect that:

     (xxix) The Trustee has been duly organized and is validly existing as a national
banking association duly organized under the laws of the United States of America, and

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is duly qualified to do business in each jurisdiction where the character of its
properties or the nature of its activities makes such qualification necessary, except such
jurisdictions, if any, in which the failure to be so qualified will not have a material
adverse effect on the condition (financial or otherwise), earnings, regulatory affairs,
business affairs, business prospects or properties of the Trustee; and the Trustee holds all
material licenses, certificates and permits from all governmental authorities necessary for
the conduct of its business as described in the Final Prospectus;

     (xxx) The Pooling and Servicing Agreement has been duly authorized, executed and
delivered by the Trustee and constitutes a valid, legal and binding agreement of the
Trustee, enforceable against the Trustee in accordance with its terms, subject, as to
enforceability to bankruptcy, insolvency, reorganization, moratorium or other similar laws
affecting creditors’ rights generally and to general principles of equity regardless of
whether enforcement is sought in a proceeding in equity or at law;

     (xxxi) No consent, approval, authorization or order of any court or governmental agency
or body is required for the consummation by the Trustee of the transactions contemplated by
the terms of the Pooling and Servicing Agreement, except any such as may be required under
the “blue sky” or state securities laws of any jurisdiction in connection with the offering,
sale or acquisition of the Publicly-Offered Certificates, any recordations of the assignment
of the Mortgage Loans to the Trustee (to the extent such recordations are required pursuant
to the Pooling and Servicing Agreement) that have not yet been completed and such other
approvals as have been obtained; and

     (xxxii) The consummation of any of the transactions contemplated by the Pooling and
Servicing Agreement do not conflict with or result in a breach or violation of any

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material term or provision of, or constitute a default under, the charter or by-laws of
the Trustee, or, to the best knowledge of such counsel, any indenture or other agreement or
instrument to which the Trustee is a party or by which it is bound, or any statute or
regulation applicable to the Trustee or any order of any court, regulatory body,
administrative agency or governmental body having jurisdiction over the Trustee.

     Such opinion may express its reliance as to factual matters on the representations and
warranties made by, and on certificates or other documents furnished by officers of, the parties to
the Transaction Documents. Such opinion may assume the due authorization, execution and delivery
of the instruments and documents referred to therein by the parties thereto other than the Trustee.
Such opinion may be qualified as an opinion only on the laws of the States of New York and
Delaware and the federal law of the United States. To the extent that such counsel relies upon the
opinion of other counsel in rendering any portion of its opinion, the opinion of such other counsel
shall be attached to and delivered with the opinion of such counsel that is delivered to the
Underwriters.

     The Master Servicer and the Securities Administrator shall have furnished to the Underwriters
an opinion, dated the Closing Date, of in-house counsel to the Master Servicer and Hunton &
Williams LLP, counsel to such parties, in form and substance satisfactory to the Underwriters and
counsel to the Underwriters, to the effect that:

     (xxxiii) Each of the Master Servicer and the Securities Administrator has been duly
organized and is validly existing as a national banking association under the laws of the
United States of America, and is duly qualified to do business in each jurisdiction where
the character of its properties or the nature of its activities makes such qualification
necessary, except such jurisdictions, if any, in which the failure to be so qualified will
not

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have a material adverse effect on the condition (financial or otherwise), earnings,
regulatory affairs, business affairs, business prospects or properties of the such party;
and such party holds all material licenses, certificates and permits from all governmental
authorities necessary for the conduct of its business as described in the Final Prospectus;

     (xxxiv) The Pooling and Servicing Agreement has been duly authorized, executed and
delivered by each of the Master Servicer and the Securities Administrator and constitutes a
valid, legal and binding agreement of the such party, enforceable against such party in
accordance with its terms, subject, as to enforceability to bankruptcy, insolvency,
reorganization, moratorium or other similar laws affecting creditors’ rights generally and
to general principles of equity regardless of whether enforcement is sought in a proceeding
in equity or at law;

     (xxxv) No consent, approval, authorization or order of any court or governmental agency
or body is required for the consummation by any of the Master Servicer or the Securities
Administrator of the transactions contemplated by the terms of the Pooling and Servicing
Agreement;

     (xxxvi) The consummation of any of the transactions contemplated by the terms of the
Pooling and Servicing Agreement do not conflict with or result in a breach or violation of
any material term or provision of, or constitute a default under, the charter or by-laws of
any of the Master Servicer or the Securities Administrator or, to the best knowledge of such
counsel, any indenture or other agreement or instrument to which such party is a party or by
which it is bound, or any statute or regulation applicable to such party or any order of any
court, regulatory body, administrative agency or governmental body having jurisdiction over
such party; and

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     (xxxvii) There are no legal or governmental actions, investigations or proceedings
pending to which any of the Master Servicer or the Securities Administrator is a party, or,
to the best knowledge of such counsel, threatened against the such party, (A) asserting the
invalidity of the Pooling and Servicing Agreement or (B) which might materially and
adversely affect the performance by such party of its obligations under, or the validity or
enforceability of, the Pooling and Servicing Agreement.

     Such opinion may express its reliance as to factual matters on the representations and
warranties made by, and on certificates or other documents furnished by officers of, the parties to
the Transaction Documents. Such opinion may assume the due authorization, execution and delivery
of the instruments and documents referred to therein by the parties thereto other than the Master
Servicer or Securities Administrator. Such opinion may be qualified as an opinion only on the laws
of the States of New York and Delaware and the federal law of the United States. To the extent
that such counsel relies upon the opinion of other counsel in rendering any portion of its opinion,
the opinion of such other counsel shall be attached to and delivered with the opinion of such
counsel that is delivered to the Underwriters.

          The Underwriters shall have received copies of any opinions of counsel delivered to the rating
agencies set forth in the Final Prospectus as rating the Publicly-Offered Certificates, including,
but not limited to, any “true sale,” “non-consolidation” or “perfection” opinions. Any such
opinions shall be dated the Closing Date and addressed to the Underwriters or accompanied by
reliance letters addressed to the Underwriters.

          The Underwriters shall have received from their counsel such opinion or opinions, dated the
Closing Date, with respect to the issuance and sale of the Publicly-Offered Certificates, the
Registration Statement and each Prospectus, and such other related matters as you may

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reasonably require, including a negative assurance letter with respect to the Preliminary
Prospectus or the Final Prospectus.

          The Depositor’s independent accountants, Deloitte & Touche LLP shall have furnished to the
Underwriters a letter or letters addressed to the Underwriters and dated as of or prior to the date
of first use of either Preliminary Prospectus or the Final Prospectus in the form and reflecting
the performance of the procedures previously agreed to by the Depositor and the Underwriters.

          Subsequent to the date hereof, there shall not have occurred any change, or any development
involving a prospective change in or affecting the earnings, business or properties of Redwood
Trust, the Depositor or the Seller which, in your judgment, materially impairs the investment
quality of the Publicly-Offered Certificates so as to make it impractical or inadvisable to proceed
with the public offering or the delivery of the Publicly-Offered Certificates as contemplated by
the Final Prospectus.

          The Publicly-Offered Certificates shall be rated not lower than the required ratings set forth
under the heading “Ratings” in the Final Prospectus, such ratings shall not have been rescinded and
no public announcement shall have been made that any such required rating of the Publicly-Offered
Certificates has been placed under review (otherwise than for possible upgrading).

          The Depositor shall have furnished to the Underwriters such further information, certificates
and documents as the Underwriters may reasonably have requested, and all proceedings in connection
with the transactions contemplated by this Agreement and all documents incident hereto shall be in
all material respects satisfactory in form and substance to the Underwriters and their counsel.

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          If any of the conditions specified in this Section 6 shall not have been fulfilled when and as
provided in this Agreement, this Agreement and all obligations of an Underwriter hereunder may be
canceled at, or at any time prior to, the Closing Date by such Underwriter. Notice of such
cancellation shall be given to the Depositor in writing, or by telephone or telegraph confirmed in
writing.

     7. Termination. This Agreement shall be subject to termination in your absolute
discretion, by notice given to the Depositor if, subsequent to the date hereof, (i) trading
generally shall have been suspended or materially limited on, or by, as the case may be, any of the
New York Stock Exchange, the American Stock Exchange, the Nasdaq National Market, the Chicago Board
of Options Exchange, the Chicago Mercantile Exchange or the Chicago Board of Trade, (ii) trading of
any securities of Redwood Trust or the Depositor shall have been suspended on any exchange or in
any over-the-counter market, (iii) a material disruption in securities settlement, payment or
clearance services in the United States shall have occurred, (iv) any moratorium on commercial
banking activities shall have been declared by Federal or New York State authorities or (v) there
shall have occurred any outbreak or escalation of hostilities, or any change in financial markets
or any calamity or crisis that, in your judgment, is material and adverse and which, singly or
together with any other event specified in this clause (v), makes it, in your judgment,
impracticable or inadvisable to proceed with the offer, sale or delivery of the Publicly-Offered
Certificates on the terms and in the manner contemplated in the Final Prospectus.

     8. Representations and Indemnities to Survive. The respective agreements,
representations, warranties, indemnities and other statements of the Depositor, the Seller and
Redwood Trust and their respective officers and of each Underwriter set forth in or made

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pursuant to this Agreement will remain in full force and effect, regardless of any
investigation made by or on behalf of any Underwriter or the Depositor, the Seller or Redwood
Trust, and will survive delivery of and payment for the Publicly-Offered Certificates. The
provisions of Sections 5(a)(iv), 9, 11 and 12 hereof shall survive the termination or cancellation
of this Agreement.

     9. Reimbursement of Underwriter Expenses. If for any reason, other than default by
any Underwriter in its obligation to purchase the Publicly-Offered Certificates or termination by
any Underwriter pursuant to Section 7 hereof, the Publicly-Offered Certificates are not delivered
as provided herein, the Depositor, the Seller and Redwood Trust jointly and severally agree to
reimburse each Underwriter for all damages, losses and out-of-pocket expenses of such Underwriter,
including reasonable fees and disbursements of its counsel, reasonably incurred by such Underwriter
in making preparations for the purchase, sale and delivery of the Publicly-Offered Certificates,
but the Depositor, the Seller and Redwood Trust shall then be under no further liability to any
Underwriter with respect to the Publicly-Offered Certificates, except as provided in Sections
5(a)(iv), 8, 11 or 12 hereof.

     10. Certain Definitions. For purposes of this Agreement, the following terms shall
have the respective meanings set forth below:

     Custom Loan Information: Such information regarding the Mortgage Loans as is
disseminated by any Underwriter to a potential investor, exclusive of any Seller Mortgage Loan
Information (in the form provided by the Depositor) and information included in the Preliminary
Term Sheet.

     Contract of Sale: A valid contract, whether oral or written, by which a third party
becomes committed to purchase any Publicly-Offered Certificates from any Underwriter and

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such Underwriter becomes committed to sell such Publicly-Offered Certificates to such third
party; provided that “Contract of Sale” excludes any action by such third party and such
Underwriter prior to such commitments.

     Derived Information: Such information regarding the Publicly-Offered Certificates as
is disseminated by any Underwriter to a potential investor, which information is prepared on the
basis of or derived from Seller Mortgage Loan Information (e.g., tables and/or charts displaying
with respect to any Class or Classes of Publicly-Offered Certificates, any of the following:
yield, average life, duration, expected maturity, interest rate sensitivity, loss sensitivity)
from, but does not include (i) Issuer Information, (ii) information contained in the Registration
Statement, any Prospectus or any amendment or supplement to any of them, taking into account
information incorporated therein by reference or (iii) Seller Mortgage Loan Information.

     Free Writing Prospectus: The Preliminary Term Sheet and any Custom Loan Information,
Derived Information or other information relating to the Publicly-Offered Certificates disseminated
by the Depositor (with prior notification to the Underwriters pursuant to Section 4) or by any
Underwriter (with the prior consent of the Depositor pursuant to Section 4), that constitutes a
“free writing prospectus” within the meaning of Rule 405 under the Securities Act.

     Issuer Information: Such information as defined in Rule 433(h) under the Securities
Act and information that is based on or derived from such information, but excluding Derived
Information or Custom Loan Information.

     Preliminary Term Sheet: Collectively, the preliminary term sheet dated April 25, 2007
relating to Group 1 of certain classes of the Publicly-Offered Certificates and the preliminary

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term sheet dated April 25, 2007 relating to Group 2 of certain classes of the Publicly-Offered
Certificates.

     Seller Mortgage Loan Information: Information relating to the Mortgage Loans
furnished by or on behalf of the Depositor or the Seller to the Underwriters.

     Spread: The excess, if any, of (i) the purchase prices paid by investors to an
Underwriter for the Publicly-Offered Certificates over (ii) the purchase price paid by such
Underwriter to the Depositor for the Publicly-Offered Certificates purchased by such Underwriter.

     Underwriter Information: The only written information furnished by or on behalf of an
Underwriter to the Depositor specifically for use in connection with the preparation of the
Registration Statement, any Prospectus or any Free Writing Prospectus, such information being
specified on Exhibit A attached hereto.

     11. Indemnification. (a) The Depositor, the Seller and Redwood Trust jointly and
severally agree to indemnify and hold harmless each Underwriter and each person who controls an
Underwriter within the meaning of either the Securities Act or the Exchange Act against any and all
losses, claims, damages or liabilities, joint or several, to which they may become subject under
the Securities Act, the Exchange Act, or other federal or state statutory law or regulation, at
common law or otherwise, insofar as such losses, claims, damages or liabilities (or actions in
respect thereof) arise out of or are based upon (i) any untrue statement or alleged untrue
statement of a material fact contained in the Registration Statement or in any revision or
amendment thereof or supplement thereto, (ii) the omission or alleged omission to state therein a
material fact required to be stated in the Registration Statement or necessary to make the
statements therein, in the light of the circumstances under which they were made, not misleading,
(iii) any untrue statement or alleged untrue statement of a material fact contained in a

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Preliminary Prospectus (expressly including any information relating to a servicer or an
originator), taken together with the Designated Static Pool Information, (iv) the omission or
alleged omission to state therein a material fact required to be stated in such Preliminary
Prospectus (expressly including any information relating to a servicer or an originator), taken
together with the Designated Static Pool Information, or necessary to make the statements therein,
in the light of the circumstances under which they were made, not misleading, (v) any untrue
statement or alleged untrue statement of a material fact contained in the Final Prospectus
(expressly including any information relating to a servicer or an originator), taken together with
the Designated Static Pool Information, or in any revision or amendment thereof or supplement
thereto, (vi) the omission or alleged omission to state in the Final Prospectus (expressly
including any information relating to a servicer or an originator) or the Designated Static Pool
Information, or in any revision or amendment thereof or supplement thereto, a material fact
required to be stated therein or necessary to make the statements therein, in the light of the
circumstances under which they were made, not misleading, (vii) any untrue statement or alleged
untrue statement of a material fact contained in a Free Writing Prospectus, or (viii) the omission
or alleged omission to state therein a material fact required to be stated in a Free Writing
Prospectus or necessary to make the statements therein, in the light of the circumstances under
which they were made, not misleading, and further agree to promptly reimburse each such indemnified
party for any legal or other expenses reasonably incurred by it or him, as incurred, in connection
with investigating or defending or preparing to defend against any such loss, claim, damage,
liability or action; provided, however, that none of the Depositor, the Seller or Redwood Trust
shall be liable to a particular Underwriter or any person who controls such Underwriter to the
extent that any misstatement or alleged misstatement or omission or alleged omission (i) was

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made in either Preliminary Prospectus, the Final Prospectus, any Free Writing Prospectus, the
Registration Statement or the Designated Static Pool Information, as applicable, pursuant to
Underwriter Information, Derived Information or Custom Loan Information disseminated by such
Underwriter (unless such misstatement or alleged misstatement or omission or alleged omission
resulted from an error or material omission in the Seller Mortgage Loan Information) or (ii) was
corrected (with such correction timely delivered to the Underwriter) at least one business day
prior to the written confirmation of such sale and such correction did not materially and adversely
affect the marketing or pricing of the Publicly-Offered Certificates and such Underwriter did not
deliver, at or prior to the written confirmation of such sale, a copy of the Final Prospectus as
then revised, amended or supplemented in any case where such delivery is required by the Securities
Act or the Exchange Act, if the Depositor has previously furnished copies thereof to the
Underwriters in accordance with the terms of this Agreement. This agreement as to indemnity will
be in addition to any liability that the Depositor, the Seller or Redwood Trust may otherwise have.

          Each Underwriter severally agrees to indemnify and hold harmless the Depositor, Redwood Trust
and the Seller, the officers of the Depositor who signed the Registration Statement or any
amendment thereof, the directors of the Depositor, and each person who controls the Depositor,
Redwood Trust or the Seller within the meaning of either the Securities Act or the Exchange Act, to
the same extent as the foregoing indemnities from the Depositor, the Seller and Redwood Trust to
each Underwriter; provided, however, that an Underwriter will be liable in any such case only to
the extent that such untrue statement or alleged untrue statement or omission or alleged omission
was made in reliance upon and in conformity with Underwriter Information, Derived Information or
Custom Loan Information, as applicable, furnished by that

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particular Underwriter to the Depositor or to a prospective investor, except to the extent
that any untrue statement or alleged untrue statement therein or omission therefrom (or is alleged
to have resulted) directly from an error in the Seller Mortgage Loan Information that was used in
the preparation of either (x) any Underwriter Information, Derived Information or Custom Loan
Information (or amendment or supplement thereof) or (y) any written or electronic materials
furnished to prospective investors on which the Underwriter Information (or amendments or
supplements) were based. This agreement as to indemnity will be in addition to any liability that
any Underwriter may otherwise have.

          Promptly after receipt of notice of the commencement of any action by an indemnified party
under this Section 11, such indemnified party shall, if a claim in respect thereof is to be made
against the indemnifying party under this Section 11, notify the indemnifying party in writing of
the commencement thereof; provided, however, that the omission so to notify the indemnifying party
will not relieve the indemnifying party from any liability which it may have to any indemnified
party, unless the indemnifying party is materially prejudiced by such failure to notify and in any
event shall not relieve the indemnifying party from any liability which it may have to any
indemnified party other than under this Section 11. In case any such action is brought against any
indemnified party and it notifies the indemnifying party of the commencement thereof, the
indemnifying party shall be entitled to participate therein, and to the extent that it may elect by
written notice delivered to the indemnified party promptly after receiving the aforesaid notice
from such indemnified party, to assume the defense thereof, with counsel satisfactory to such
indemnified party; provided, however, that if the defendants in any such action include both the
indemnified party and the indemnifying party and the indemnified party (including impleaded
parties) and the indemnified party or parties shall

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have reasonably concluded that there may be legal defenses available to it or them and/or
other indemnified parties that are different from or additional to those available to the
indemnifying party, the indemnified party or parties shall have the right to elect separate counsel
to assert such legal defenses and to otherwise participate in the defense of such action on behalf
of such indemnified party or parties. Upon receipt of notice from the indemnifying party to such
indemnified party of its election so to assume the defense of such action and approval by the
indemnified party of counsel, the indemnifying party will not be liable for any legal or other
expenses subsequently incurred by such indemnified party in connection with the defense thereof,
unless (i) the indemnified party shall have employed separate counsel in connection with the
assertion of legal defenses in accordance with the proviso to the next preceding sentence (it being
understood, however, that the indemnifying party shall not be liable for the expenses of more than
one separate counsel (in addition to local counsel) for each of, and approved by, the Underwriters
in the case of paragraph (a) of this Section 11, representing the related indemnified parties under
such paragraph (a) who are parties to such action), (ii) the indemnifying party shall not have
employed counsel satisfactory to the indemnified party to represent the indemnified party within a
reasonable time after notice of commencement of the action or (iii) the indemnifying party has
authorized the employment of counsel for the indemnified party at the expense of the indemnifying
party; and except that, if clause (i) or (iii) is applicable, such liability shall only be in
respect of the counsel referred to in such clause (i) or (iii). No indemnifying party shall,
without the consent of the indemnified party, effect any settlement of any pending or threatened
proceeding in respect of which any indemnified party is or could have been a party and indemnity
could have been sought hereunder by such indemnified party, unless

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such settlement includes an unconditional release of such indemnified party from all liability
on claims that are the subject matter of such proceeding.

     12. Contribution. If the indemnification provided for in Section 11 is unavailable or
insufficient to hold harmless an indemnified party under Section 11, then each indemnifying party
shall contribute to the amount paid or payable by such indemnified party as a result of the losses,
claims, damages or liabilities referred to in Section 11 above in such proportion as is appropriate
to reflect the relative benefits received by the Depositor, the Seller and Redwood Trust on the one
hand and the Underwriter on the other from the offering of the Publicly-Offered Certificates or
(ii) if the allocation provided by clause (i) above is not permitted by applicable law, in such
proportion as is appropriate to reflect not only the relative benefits referred to in clause (i)
above but also the relative fault of the Depositor, the Seller and Redwood Trust on the one hand
and the Underwriter on the other in connection with the statements or omissions or alleged
statements or alleged omissions which resulted in such losses, claims, damages or liabilities as
well as any other relevant equitable considerations. The relative benefits received by the
Depositor, the Seller and Redwood Trust on the one hand and the Underwriters on the other shall be
in such proportion so that the Underwriters are responsible for an amount equal to the Spread, and
the Depositor, the Seller and Redwood Trust are responsible for the balance. The relative fault
shall be determined by reference to, among other things, whether the untrue or alleged untrue
statement of a material fact or the omissions or alleged omission to state a material fact relates
to information supplied by the Depositor, the Seller or Redwood Trust or by the Underwriters and
the parties’ relative intent, knowledge, access to information and opportunity to correct or
prevent such untrue statement or omission. The amount paid by an indemnified party as a result of
the losses, claims, damages or liabilities referred to in the first

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sentence of this Section 12 shall be deemed to include any legal or other expenses reasonably
incurred by such indemnified party in connection with investigating or defending any action or
claim which is the subject of this Section 12. An Underwriter shall not be required to contribute
any amount in excess of (x) the Spread of such Underwriter, over (y) the amount of any damages
which the applicable Underwriter has otherwise been required to pay by reason of such untrue or
alleged untrue statement or omission or alleged omission. The obligation of any Underwriter to
contribute under this Section 12 is several in proportion to the portion of the Spread applicable
to it. No person guilty of fraudulent misrepresentation (within the meaning of Section 11(f) of
the Securities Act) shall be entitled to contribution from any person who was not guilty of such
fraudulent misrepresentation.

     13. Successors. This Agreement will inure to the benefit of and be binding upon the
parties hereto and their respective successors and assigns, and no other person will have any right
or obligation hereunder.

     14. Applicable Law. This Agreement will be governed by, and construed in accordance
with, the laws of the State of New York applicable to agreements made and to be performed therein,
without reference to its conflict of law provisions (other than Section 5-1401 of the General
Obligations Law), and the obligations, rights and remedies of the parties hereunder shall be
determined in accordance with such laws.

     15. No Advisory or Fiduciary Responsibility. The Depositor acknowledges and agrees
that: (i) the purchase and sale of the Publicly-Offered Certificates pursuant to this Agreement,
including the determination of the public offering price of the Publicly-Offered Certificates and
any related discounts and commissions, is an arm’s-length commercial transaction between the
Depositor, on the one hand, and the several Underwriters, on the other hand, and the Depositor is

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capable of evaluating and understanding and understands and accepts the terms, risks and
conditions of the transactions contemplated by this Agreement; (ii) in connection with each
transaction contemplated hereby and the process leading to such transaction each Underwriter is and
has been acting solely as a principal and is not the financial advisor, agent or fiduciary of the
Depositor or its affiliates, stockholders, creditors or employees or any other party; (iii) no
Underwriter has assumed or will assume an advisory, agency or fiduciary responsibility in favor of
the Depositor with respect to any of the transactions contemplated hereby or the process leading
thereto (irrespective of whether such Underwriter has advised or is currently advising the
Depositor on other matters) or any other obligation to the Depositor except the obligations
expressly set forth in this Agreement; (iv) the several Underwriters and their respective
affiliates may be engaged in a broad range of transactions that involve interests that differ from
those of the Depositor and that the several Underwriters have no obligation to disclose any of such
interests by virtue of any advisory, agency or fiduciary relationship; and (v) the Underwriters
have not provided any legal, accounting, regulatory or tax advice with respect to the offering
contemplated hereby and the Depositor has consulted its own legal, accounting, regulatory and tax
advisors to the extent it deemed appropriate.

     This Agreement supersedes all prior agreements and understandings (whether written or oral)
between the Depositor and the several Underwriters, or any of them, with respect to the subject
matter hereof. The Depositor hereby waives and releases, to the fullest extent permitted by law,
any claims that the Depositor may have against the several Underwriters with respect to any breach
or alleged breach of agency or fiduciary duty.

     16. The Depositor acknowledges and agrees that the Underwriters are acting solely in the
capacity of an arm’s length contractual counterparty to the Depositor with respect to the offering

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of Publicly-Offered Certificates contemplated hereby (including in connection with determining
the terms of the offering) and not as a financial advisor or a fiduciary to, or an agent of, the
Depositor or any other person. In addition, neither the Representative nor any other Underwriter
is advising the Depositor or any other person as to any legal, tax, investment, accounting or
regulatory matters in any jurisdiction. The Depositor shall consult with its own advisors
concerning such matters, and the Underwriters shall have no responsibility or liability to the
Depositor with respect thereto. Any review by the Underwriters of the Depositor, the transactions
contemplated hereby or other matters relating to such transactions will be performed solely for the
benefit of the Underwriters and shall not be on behalf of the Depositor

     17. Miscellaneous. Time shall be of the essence of this Agreement. This Agreement,
together with any contemporaneous written agreements and any prior written agreements (to the
extent not superseded by this Agreement) that relate to the offering of the Publicly-Offered
Certificates, represents the entire agreement between Depositor, the Seller and Redwood Trust, on
the one hand, and the Underwriters, on the other, with respect to the preparation of either
Preliminary Prospectus, the Final Prospectus and any Free Writing Prospectus, the conduct of the
offering and the purchase and sale of the Publicly-Offered Certificates. Neither this Agreement
nor any term hereof may be changed, waived, discharged or terminated except by a writing signed by
the party against whom enforcement of such change, waiver, discharge or termination is sought.
This Agreement may be signed in any number of counterparts, each of which shall be deemed an
original, which taken together shall constitute one and the same instrument.

     18. Notices. All communications hereunder shall be in writing and effective only on
receipt and, if sent to an Underwriter, shall be delivered to the address specified on the
signature page hereof. If such notice is sent to the Depositor, the Seller or Redwood Trust, it
shall be

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delivered to One Belvedere Place, Suite 330, Mill Valley, California 94941, attention of John
Isbrandtsen, Vice President.

* * *

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     If the foregoing is in accordance with your understanding of our agreement please sign and
return to the undersigned a counterpart hereof, whereupon this Agreement and your acceptance shall
represent a binding agreement by and among the Depositor, the Seller, Redwood Trust and each
Underwriter relating to the Publicly-Offered Certificates.

	 	 	 	 	 
	 	

Very truly yours, 

REDWOOD TRUST, INC.

 	 
	 	By:  	/s/ John Isbrandtsen
 	 
	 	 	Name:  	John Isbrandtsen 	 
	 	 	Title:  	Vice President 	 
	 
	 	RWT HOLDINGS, INC.,

as Seller

 	 
	 	By:  	/s/ John Isbrandtsen
 	 
	 	 	Name:  	John Isbrandtsen 	 
	 	 	Title:  	Vice President 	 
	 
	 	SEQUOIA RESIDENTIAL FUNDING, INC.,

as Depositor

 	 
	 	By:  	/s/ John Isbrandtsen
 	 
	 	 	Name:  	John Isbrandtsen 	 
	 	 	Title:  	Vice President 	 

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The foregoing Agreement
is hereby confirmed and accepted by:

MERRILL LYNCH, PIERCE, FENNER & SMITH

     INCORPORATED

By: /s/ Paul Park

     Name: Paul Park

     Title:

     Address: Merrill Lynch, Pierce, Fenner & Smith Incorporated

                    4 World Financial Center, 10th Floor

                    New York, New York 10080

BANC OF AMERICA SECURITIES LLC

By: /s/ Scott Evans

     Name: Scott Evans

     Title:

     Address: Banc of America Securities LLC

                    214 North Tryon Street

                    Charlotte, North Carolina 28235

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Schedule 1 – Schedule of Publicly-Offered Certificates

	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 
	 	 	 	 	 	 	 	 	 	 	Merrill	 	 	 	 	 	 
	 	 	 	 	 	 	 	 	 	 	Lynch,	 	 	 	 	 	 
	 	 	 	 	 	 	 	 	 	 	Pierce,	 	Original	 	Banc of	 	 
	 	 	 	 	 	 	 	 	 	 	Fenner and	 	Amount to be	 	America	 	 
	 	 	Original	 	 	 	 	 	Smith	 	purchased by	 	Securities	 	 
	 	 	Class	 	 	 	 	 	Incorporated	 	Merrill Lynch,	 	LLC	 	Original Amount to
	 	 	Principal or	 	 	 	 	 	Purchase	 	Pierce, Fenner	 	Purchase	 	be purchased by
	 	 	Notional	 	Class Interest	 	Price	 	and Smith	 	Price	 	Banc of America
	Class	 	Amount(1)	 	Rate(2)	 	Percentage(3)	 	Incorporated	 	Percentage(4)	 	Securities LLC
	1-A1
	 	$	120,000,000	 	 	Adjustable	 	 	99.9375	%	 	$	60,000,000	 	 	 	99.9375	%	 	$	60,000,000	 
	1-A2
	 	$	493,735,000	 	 	Adjustable	 	 	99.9375	%	 	$	246,867,500	 	 	 	99.9375	%	 	$	246,867,500	 
	1-A3
	 	$	23,265,000	 	 	Adjustable	 	 	99.9375	%	 	$	11,632,500	 	 	 	99.9375	%	 	$	11,632,500	 
	1-AR
	 	$	100	 	 	Variable	 	 	99.9375	%	 	$	100	 	 	 	99.9375	%	 	 	—	 
	1-XA
	 	$	637,000,000	 	 	Variable	 	 	100.0000	%	 	$	318,500,000	 	 	 	100.0000	%	 	$	318,500,000	 
	1-XB
	 	$	4,225,000	 	 	Variable	 	 	100.0000	%	 	$	2,112,500	 	 	 	100.0000	%	 	$	2,112,500	 
	1-B1
	 	$	2,275,000	 	 	Adjustable	 	 	99.9375	%	 	$	1,137,500	 	 	 	99.9375	%	 	$	1,137,500	 
	1-B2
	 	$	1,950,000	 	 	Adjustable	 	 	100.0000	%	 	$	975,000	 	 	 	100.0000	%	 	$	975,000	 
	1-B3
	 	$	6,175,000	 	 	Variable	 	 	100.0000	%	 	$	3,087,500	 	 	 	100.0000	%	 	$	3,087,500	 
	2A-A1
	 	$	221,040,000	 	 	Variable	 	 	99.9584	%	 	$	110,520,000	 	 	 	99.9584	%	 	$	110,520,000	 
	2B-A1
	 	$	170,921,000	 	 	Variable	 	 	99.9531	%	 	$	85,460,500	 	 	 	99.9531	%	 	$	85,460,500	 
	2-AR
	 	$	100	 	 	Variable	 	 	99.9531	%	 	$	100	 	 	 	99.9531	%	 	 	—	 
	2-B1
	 	$	7,145,000	 	 	Variable	 	 	99.9531	%	 	$	3,572,500	 	 	 	99.9531	%	 	$	3,572,500	 
	2-B2
	 	$	3,062,000	 	 	Variable	 	 	99.9531	%	 	$	1,531,000	 	 	 	99.9531	%	 	$	1,531,000	 
	2-B3
	 	$	2,041,000	 	 	Variable	 	 	99.9531	%	 	$	1,020,500	 	 	 	99.9531	%	 	$	1,020,500	 

 

			
	(1)	 	These balances are approximate, as described in the Final Prospectus.
	 
	(2)	 	These Publicly-Offered Certificates will accrue interest based on adjustable rates based on
the value of the one-month LIBOR index, or at variable interest rates, as described in the
Final Prospectus.
	 
	(3)	 	The total underwriting fees/discounts payable to Merrill Lynch, Pierce, Fenner and Smith
Incorporated shall be $577,301.20.
	 
	(4)	 	The total underwriting fees/discounts payable to Banc of America Securities LLC shall be
$577,301.20.

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EXHIBIT A

     The following constitutes Underwriter Information for purposes of Section 10 of this
Agreement:

     The information set forth in each Preliminary Prospectus Supplement and the Prospectus
Supplement (i) in the first and second sentences of the paragraph immediately preceding the
penultimate paragraph on the cover page thereof and (ii) in the first and second paragraphs
(including the table contained therein) under the caption “Method of Distribution” therein.

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