STRUCTURED ADJUSTABLE RATE MORTGAGE LOAN TRUST MORTGAGE PASS-THROUGH CERTIFICATES, SERIES 2007-4 TERMS AGREEMENT

STRUCTURED ADJUSTABLE RATE MORTGAGE LOAN TRUST

MORTGAGE PASS-THROUGH CERTIFICATES, SERIES 2007-4

TERMS AGREEMENT

Dated: April 26, 2007

To:	Structured Asset Securities Corporation, as Depositor under the Trust Agreement dated as of April 1, 2007 (the “Trust Agreement”).
Re:	Underwriting Agreement Standard Terms dated as of December 21, 2005 (the “Standard Terms,” and together with this Terms Agreement, the “Agreement”).

Series Designation: Series 2007-4.

Terms of the Series 2007-4 Certificates: Structured Adjustable Rate Mortgage Loan Trust Mortgage Pass-Through Certificates, Series 2007-4, Class 1-A1, Class 1-A2, Class 1-A3, Class 1-A4, Class X-0, Xxxxx X-0, Class M-3, Class M-4, Class M-5, Class M-6, Class M-7, Class 1-AP, Class X, Class C and Class R-I (the “Certificates”) will evidence, in the aggregate, the entire beneficial ownership interest in a trust fund (the “Trust Fund”). The primary assets of the Trust Fund on the Closing Date (as defined below) will consist primarily of a pool of conventional, first lien, adjustable rate, fully amortizing, residential mortgage loans having a total Scheduled Principal Balance (as defined in the Trust Agreement) as of the Cut-off Date of $541,722,183.90 (the “Mortgage Loans”). Only the Class 1-A1, Class 1-A2, Class 1-A3, Class 1-A4, Class X-0, Xxxxx X-0, Class M-3, Class M-4, Class M-5, Class M-6 and Class M-7 (the “Offered Certificates”) are being sold pursuant to the terms hereof.

Registration Statement: File Number 333-133985.

Certificate Ratings: It is a condition of Closing that at the Closing Date the Class 1-A1, Class 1-A2, Class 1-A3 and Class 1-A4 Certificates be rated “AAA” by Standard & Poor’s, A division of The XxXxxx-Xxxx Companies, Inc. (“S&P”) and “Aaa” by Xxxxx’x Investors Service, Inc., (“Moody’s”); the Class M-1 Certificates be rated “Aa2” by Moody’s and “AA+” by S&P; the Class M-2 Certificates be rated “Aa3” by Moody’s and “AA+” by S&P; the Class M-3 Certificates be rated “A2” by Moody’s and “AA” by S&P; the Class M-4 Certificates be rated “A3” by Moody’s and “AA-” by S&P; the Class M-5 Certificates be rated “Baa2” by Moody’s and “A+” by S&P; the Class M-6 Certificates be rated “Baa3” by Moody’s and “A-” by S&P; the Class M-7 Certificates be rated “BBB-” by S&P.

Terms of Sale of Offered Certificates: The Depositor agrees to sell to Xxxxxx Brothers Inc., (the “Underwriter”) and the Underwriter agrees to purchase from the Depositor, the Offered Certificates in the principal amounts and prices set forth on Schedule 1 annexed hereto. The purchase price for each class of the Offered Certificates shall be the applicable Purchase Price Percentage set forth in Schedule 1 plus accrued interest at the initial interest rate per annum from and including the Cut-off Date up to, but not including, the Closing Date.

The Underwriter will offer the Offered Certificates to the public from time to time in negotiated transactions or otherwise at varying prices to be determined at the time of sale.

The Underwriter will sell the Offered Certificates to investors in offerings occurring within Member States of the European Economic Area in minimum initial total investment amounts of $100,000.

Cut-off Date: April 1, 2007.

Closing Date: 10:00 A.M., New York time, on or about April 30, 2007. On the Closing Date, the Depositor will deliver the Offered Certificates to the Underwriter against payment therefore.

Counsel: Dechert LLP will act as counsel for the Underwriter.

Closing Notice Address: Notwithstanding anything to the contrary in the Standard Terms, the Closing shall take place at the offices of the counsel for the Underwriter, Dechert LLP, 00 Xxxxxxxxxxx Xxxxx, Xxx Xxxx, XX 00000.

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If the foregoing is in accordance with your understanding of our agreement, please sign and return to us a counterpart hereof, whereupon this instrument along with all counterparts will become a binding agreement between the Depositor and the Underwriter in accordance with its terms.

XXXXXX BROTHERS INC.

By: ___________________________

        Name: Xxxxxxxx Xxxxxxx

        Title: Vice President

Accepted:

STRUCTURED ASSET SECURITIES CORPORATION

By: _____________________________

        Name: Xxxxxxx X. Xxxxxxxx

        Title: Senior Vice President

Schedule 1

Class	Initial Certificate Principal or Notional Amount(1)	Certificate Interest Rate(2)	Purchase Price Percentage	Approximate Amount Purchased by Xxxxxx Brothers Inc.
1-A1	$148,545,000	Variable	100%	$148,545,000
1-A2	$200,000,000	Variable	100%	$200,000,000
1-A3	$100,000,000	Variable	100%	$100,000,000
1-A4	$49,838,000	Variable	100%	$49,838,000
M-1	$16,251,000	Variable	100%	$16,251,000
M-2	$4,333,000	Variable	100%	$4,333,000
M-3	$6,500,000	Variable	100%	$6,500,000
M-4	$2,708,000	Variable	100%	$2,708,000
M-5	$3,521,000	Variable	100%	$3,521,000
M-6	$2,708,000	Variable	100%	$2,708,000
M-7	$4,604,000	Variable	100%	$4,604,000

__________

(1) These balances are approximate, as described in the Prospectus Supplement.

(2) These certificates will accrue interest based on adjustable interest rates, as described in the Prospectus Supplement.