Common use of Series Designation Clause in Contracts

Series Designation. Series 1998-ALS1. ------------------ Terms of the Series 1998-ALS1 Certificates: Structured Asset Securities ------------------------------------------ Corporation, Series 1998-ALS1 Mortgage Pass-Through Certificates, Class 1-A, Class 1-AP, Class 1-AX, Class 2-A, Class 2-AP, Class 2-AX, Class B1, Class B2, Class B3, Class B4, Class B5, Class B6 and Class R (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 consist of two pools of fixed rate, conventional, first lien residential mortgage loans (the "Mortgage Loans"). Only the Class 1-A, Class 1-AP, Class 1-AX, Class 2-A, Class 2-AP, Class 2-AX, Class B1, Class B2, Class B3 and Class R Certificates (the "Offered Certificates") are being sold pursuant to the terms hereof. Registration Statement: File Number 333-47499. --------------------- Certificate Ratings: It is a condition of Closing that at the Closing Date: ------------------- the Class 1-A and Class 2-A Certificates be rated "AAA" by each of Xxxx & Xxxxxx Credit Rating Co. ("DCR"), Fitch IBCA, Inc. ("Fitch"), and Standard & Poor's Rating Services, a division of The XxXxxx-Xxxx Companies, Inc. ("S&P," which together with DCR and Fitch, the "Rating Agencies"); the Class 1-AP, Class 1-AX, Class 2-AP, and Class 2-AX Certificates be rated "AAA" by each of DCR and Fitch and "AAAr" by S&P; the Class B1 Certificates be rated "AA" by each of DCR and Fitch; the Class B2 Certificates be rated "A" by each of DCR and Fitch; and the Class B3 Certificates be rated "BBB" by each of DCR and Fitch.

Series Designation. Series 19981997-ALS14. ------------------ Terms of the Series 19981997-ALS1 4 Certificates: Structured Asset Securities ------------------------------------------ --------------------------------------- Corporation, Series 19981997-ALS1 4 Mortgage Pass-Through Certificates, Class 1-AA1, Class 1-A2, Class 1-AP, Class 1-AX, Class 2-AA1, Class 2-A2, Class 2-A3, Class 2-A4, Class 2-A5, Class 2-A6, Class 2-A7, Class 2-A8, Class 2-A9, Class 2-AP, Class 2-AX, Class 1-B1, Class 2-B1, Class B2, Class B3, Class B4, Class B5, Class B6 B6, Class R1 and Class R R2 (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 consist of two pools of fixed adjustable rate, conventional, first lien residential mortgage loans (the "Mortgage Loans"). Only the Class 1-AA1, Class 1-A2, Class 1-AP, Class 1-AX, Class 2-AA1, Class 2-A2, Class 2-A3, Class 2-A4, Class 2-A5, Class 2-A6, Class 2-A7, Class 2-A8, Class 2-A9, Class 2-AP, Class 2-AX, Class R1 and Class R2 Certificates (collectively, the "Senior Certificates") and the Class 1-B1, Class B22-B1, Class B3 B2 and Class R B3 Certificates (together with the Senior Certificates, the "Offered Certificates") are being sold pursuant to the terms hereof. Registration Statement: File Number 33333-4749999598. --------------------- ---------------------- Certificate Ratings: It is a condition to the issuance of Closing that at the Closing Date: Senior ------------------- Certificates (other than the Class 1-A AP, Class 1-AX, Class 2-A5, Class 2-AP and Class 2-A Certificates AX Certificates) that they be rated "AAA" by each of Xxxx Duff & Xxxxxx Credit Rating Co. ("DCR"), Fitch IBCA, Inc. ("Fitch"), ) and Standard & Poor's Rating Services, a division of The XxXxxx-Xxxx Companies, Inc. ("S&P," which together with DCR and Fitch, the "Rating Agencies"); . It is a condition to the issuance of the Class 1-AP, Class 1-AX, Class 2-APA5, Class 2-AP and Class 2-AX Certificates that they be rated "AAA" by each of DCR and Fitch and "AAAr" by S&P; S&P. It is a condition to the issuance of the Class 1-B1 and Class 2-B1 Certificates that they be rated "AA" by each of DCR and FitchS&P; it is a condition to the issuance of the Class B2 Certificates that they be rated "A" by each DCR; it is a condition to the issuance of DCR and Fitch; and the Class B3 Certificates that they be rated "BBB" by each of DCR and FitchDCR.

Series Designation. Series 19981997-ALS12. ------------------ Terms of the Series 19981997-ALS1 2 Certificates: Structured Asset Securities ------------------------------------------ --------------------------------------- Corporation, Series 19981997-ALS1 2 Mortgage Pass-Through Certificates, Class 1-A, Class 12-APA1, Class 1Class, 2-AXA2, Class 2-AA3, Class, 2-A4, Class 2-AP, Class 2-AX, Class B1, Class B2, Class B3, Class B4, Class B5, Class B6 and Class R (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 consist of two three pools of fixed adjustable rate, conventional, first lien residential mortgage loans (the "Mortgage Loans"). Only the Class 1-A, Class 12-APA1, Class 1Class, 2-AXA2, Class 2-AA3, Class 2-A4, Class 2-AP, Class 2-AX, Class B1, Class B2, Class B3 AX and Class R Certificates (collectively, the "Senior Certificates") and the Class B1, Class B2 and Class B3 Certificates (together with the Senior Certificates, the "Offered Certificates") are being sold pursuant to the terms hereof. Registration Statement: File Number 33333-4749999598. --------------------- ---------------------- Certificate Ratings: It is a condition of Closing that at the Closing Date: Date ------------------- the Senior Certificates, other than the Class 12-A AP and Class 2-A Certificates AX Certificates, be rated "AAA" by each of Xxxx & Xxxxxx Credit Rating Co. ("DCR")Fitch Investors Service, Fitch IBCA, Inc. L.P. ("Fitch"), ) and Standard & Poor's Rating Services, a division of The XxXxxx-Xxxx Companies, Inc. ("S&P," which together with DCR and Fitch, the "Rating Agencies"); that the Class 1-AP, Class 1-AX, Class 2-AP, AP and Class 2-AX Certificates be rated "AAA" by each of DCR and Fitch and "AAAr" by S&P; that the Class B1 Certificates be rated "AA" or higher by each of DCR and Fitch; that the Class B2 Certificates be rated "A" or higher by each of DCR and Fitch; and that the Class B3 Certificates be rated "BBB" or higher by each of DCR and Fitch.

Series Designation. Series 19981997-ALS11. ------------------ Terms of the Series 19981997-ALS1 1 Certificates: Structured Asset Securities ------------------------------------------ --------------------------------------- Corporation, Series 19981997-ALS1 1 Mortgage Pass-Through Certificates, Class 1-A, Class 1-AP, Class 1-AX, Class 2-A, Class 2-AP, Class 2-AX, Class B1, Class B2, Class B3, Class B4, Class B5, Class B6 and Class R (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 consist of two three pools of fixed adjustable rate, conventional, first lien residential mortgage loans (the "Mortgage Loans"). Only the Class 1-A, Class 1-AP, Class 1-AX, Class 2-A, Class 2-AP, Class 2-AX, Class B1, Class B2, Class B3 A and Class R Certificates (collectively, the "Senior Certificates") and the Class B1, Class B2 and Class B3 Certificates (together with the Senior Certificates, the "Offered Certificates") are being sold pursuant to the terms hereof. Registration Statement: File Number 33333-4749999598. --------------------- ---------------------- Certificate Ratings: It is a condition of Closing that at the Closing Date: Date ------------------- the Class 1-A and Class 2-A Senior Certificates be rated "AAA" by each of Xxxx & Xxxxxx Credit Rating Co. ("DCR")Fitch Investors Service, Fitch IBCA, Inc. L.P. ("Fitch"), ) and Standard & Poor's Rating Services, a division of The XxXxxx-Xxxx Companies, Inc. ("S&P," which together with DCR and Fitch, the "Rating Agencies"); the Class 1-AP, Class 1-AX, Class 2-AP, and Class 2-AX Certificates be rated "AAA" by each of DCR and Fitch and "AAAr" by S&P; that the Class B1 Certificates be rated "AA" or higher by each of DCR S&P and Fitch; that the Class B2 Certificates be rated "A" or higher by each of DCR S&P and Fitch; and that the Class B3 Certificates be rated "BBB" or higher by each of DCR S&P and Fitch.

Series Designation. Series 19981996-ALS16. ------------------ Terms of the Series 19981996-ALS1 6 Certificates: Structured Asset Securities ------------------------------------------ --------------------------------------- Corporation, Series 19981996-ALS1 6 Mortgage Pass-Through Certificates, Class 1-AA1, Class 1-A2, Class 1-A3, Class 1-A4, Class 1-A5, Class 1-AP, Class 1-AX, Class 2-A, Class 23-APA1, Class 23-AXA2, Class B1, Class 3-B1, Class B2, Class 3-B2, Class B3, Class 3-B3, Class B4, Class B5, Class B6 B6, Class R1 and Class R R2 (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 consist of two three pools of fixed rate, fully amortizing, conventional, first lien residential mortgage loans (the "Mortgage Loans"). Only the Class 1-AA1, Class 1-A2, Class 1-A3, Class 1-A4, Class 1-A5, Class 1-AP, Class 1-AX, Class 2-A, Class 23-APA1, Class 23-AXA2, Class R1 and Class R2 Certificates (collectively, the Senior Certificates") and the Class B1, Class 3-B1, Class B2, Class 3-B2, Class B3, Class 3-B3 and Class R Certificates (together with the Senior Certificates, the "Offered Certificates") are being sold pursuant to the terms hereof. Registration Statement: File Number 33333-4749999598. --------------------- ---------------------- Certificate Ratings: It is a condition of Closing that at the Closing Date: Date ------------------- the Senior Certificates (other than the Class 1-A A4, Class 1-AP and Class 21-A Certificates AX Certificates) be rated "AAA" by each of Xxxx & Xxxxxx Credit Rating Co. ("DCR")Fitch Investors Service, Fitch IBCA, Inc. L.P. ("Fitch"), ) and Standard & Poor's Rating Services, a division of The XxXxxx-Xxxx Companies, Inc. ("S&P," which together with DCR and Fitch, the "Rating Agencies"); that the Class 1-APA4, Class 1-AX, Class 2-AP, AP and Class 21-AX Certificates be rated "AAA" by each of DCR and Fitch and "AAAr" by S&P; that the Class B1 and Class 3-B1 Certificates be rated "AA" or higher by each of DCR and Fitch; that the Class B2 and Class 3-B2 Certificates be rated "A" or higher by each of DCR and Fitch; and that the Class B3 and Class 3-B3 Certificates be rated "BBB" or higher by each of DCR and Fitch.

Series Designation. Series 1998-ALS13. ------------------ Terms of the Series 1998-ALS1 3 Certificates: Structured Asset Securities ------------------------------------------ Corporation, --------------------------------------- Corporation Series 1998-ALS1 3 Mortgage Pass-Through Certificates, Class 1-AA-1, Class 1-APA-2, Class 1-AXM-1, Class 2-AM-2, Class 2-APB, Class 2-AX, Class B1, Class B2, Class B3, Class B4, Class B5, Class B6 X and Class R (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 will consist of two pools of fixed and adjustable rate, fully amortizing and balloon, conventional, first lien residential mortgage loans (the "Mortgage Loans"). Only the Class 1-AA-1, Class 1-APA-2, Class 1-AXM-1, Class 2-A, Class 2-AP, Class 2-AX, Class B1, Class B2, Class B3 M-2 and Class R B Certificates (the "Offered Certificates") are being sold pursuant to the terms hereof. Registration Statement: File Number 333-47499. --------------------- 47499 ---------------------- Certificate Ratings: It is a condition to the issuance of Closing that at the Closing Date: ------------------- the Class 1-A and Class 2-A ------------------- Certificates that they be rated "AAA" by each of Xxxx & Xxxxxx Credit Rating Co. ("DCR"), Fitch IBCA, Inc. ("Fitch"), ) and Standard & Poor's Rating Services, a division of The XxXxxxMcGraw-Xxxx Hill Companies, Inc. ("S&P," which together with DCR and Fitch, the "Rating Agencies"); . It is a condition to the issuanxx xx xxx Class 1-AP, Class 1-AX, Class 2-AP, and Class 2-AX M-1 Certificates be rated "AAA" by each of DCR and Fitch and "AAAr" by S&P; the Class B1 Certificates that they be rated "AA" by each of DCR and Fitch; it is a condition to the issuance of the Class B2 M-2 Certificates that they be rated "A" by each of DCR and Fitch; and it is a condition to the issuance of the Class B3 B Certificates that they be rated "BBB" by each of DCR and Fitch.

Series Designation. Series 19982002-ALS17. ------------------ Terms of the Series 19982002-ALS1 7 Certificates: Structured Asset Securities ------------------------------------------ Corporation, Series 19982002-ALS1 7 Mortgage Pass-Through Certificates, Class 1-AA1, Class 1-A2, Class A3, Class A4, Class A5, Class A6, Class A7, Class A8, Class A9, Class PAX, Class AP, Class 1-AX, Class 2-A, Class 2-AP, Class 2-AX, Class B1, Class B2, Class B3, Class B4, Class B5, Class B6 B6, Class P, Class E and Class R (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 consist of two pools of a pool fixed rate, conventional, fully amortizing, first lien lien, residential mortgage loans (the "Mortgage Loans"). Only the Class 1-AA1, Class 1-A2, Class A3, Class A4, Class A5, Class A6, Class A7, Class A8, Class A9, Class PAX, Class AP, Class 1-AX, Class 2-A, Class 2-AP, Class 2-AX, Class B1, Class B2, Class B3 and Class R Certificates (the "Offered Certificates") are being sold pursuant to the terms hereof. Registration Statement: File Number 333-4749982904. --------------------- Certificate Ratings: It is a condition of Closing that at the Closing Date: ------------------- Date the Class 1-A A1, Class A2, Class A3, Class A4, Class A5, Class A6, Class A7, Class A8, Class A9, Class PAX, Class AP and Class 2-A AX Certificates be rated "AAA" by each of Xxxx & Xxxxxx Credit Rating Co. ("DCR"), Fitch IBCA, Inc. ("Fitch"), and Standard & Poor's Rating ServicesRatings Service, a division of The XxXxxx-Xxxx Companies, Inc. ("S&P,") and be rated "Aaa" which by Xxxxx'x Investors Service, Inc. ("Xxxxx'x" and, together with DCR and FitchS&P, the "Rating Agencies"); the Class 1-AP, Class 1-AX, Class 2-AP, and Class 2-AX Certificates R Certificate be rated "AAA" by each of DCR and Fitch and "AAAr" by S&P; the Class B1 Certificates be rated "AA" by each of DCR and FitchS&P; the Class B2 Certificates be rated "A" by each of DCR and FitchS&P; and the Class B3 Certificates be rated "BBB" by each of DCR and Fitch.S&P.