EX-4.1 3 d142319.txt INSTRUMENTS DEFINING RIGHTS OF SECURITY HOLDERS AMERIQUEST MORTGAGE SECURITIES INC. ASSET-BACKED PASS-THROUGH CERTIFICATES, SERIES 2003-1 AMENDMENT NO. 1 Amendment No. 1 (the "Amendment"), dated and effective as of July 21, 2003 among Ameriquest Mortgage Securities Inc., as depositor (the "Depositor"), Ameriquest Mortgage Company, as master servicer (the "Master Servicer") and Deutsche Bank National Trust Company, as trustee (the "Trustee"), to the Pooling and Servicing Agreement, relating to the above-captioned Asset Backed Pass-Through Certificates (the "Agreement"), dated as of February 1, 2003, among the Depositor as depositor, the Master Servicer as master servicer and the Trustee as trustee. The parties hereto are entering into the Amendment pursuant to the first paragraph of Section 11.01 of the Agreement. Capitalized terms used herein but not defined herein shall have the meanings ascribed thereto in the Agreement. 1. AMENDMENT. In consideration of the mutual agreements herein contained, the receipt and sufficiency of which are hereby acknowledged, the parties hereto agree to delete the Preliminary Statement in the Agreement and replace it with the following: PRELIMINARY STATEMENT: The Depositor intends to sell pass-through certificates (collectively, the "Certificates"), to be issued hereunder in multiple classes, which in the aggregate will evidence the entire beneficial ownership interest in each REMIC (as defined herein) created hereunder. The Trust Fund will consist of a segregated pool of assets consisting of the Mortgage Loans and certain other related assets subject to this Agreement. REMIC I ------- As provided herein, the Trustee will elect to treat the segregated pool of assets consisting of the Mortgage Loans and certain other related assets (other than any Master Servicer Prepayment Charge Payment Amounts and the Net WAC Rate Carryover Reserve Account) subject to this Agreement as a REMIC for federal income tax purposes, and such segregated pool of assets will be designated as "REMIC I." The Class R-I Interest will be the sole class of "residual interests" in REMIC I for purposes of the REMIC Provisions (as defined herein). The following table irrevocably sets forth the designation, the REMIC I Remittance Rate, the initial Uncertificated Balance and, solely for purposes of satisfying Treasury regulation section 1.860G-1(a)(4)(iii), the "latest possible maturity date" for each of the REMIC I Regular Interests (as defined herein). None of the REMIC I Regular Interests will be certificated.

________________ (1) Solely for purposes of Section 1.860G-1(a)(4)(iii) of the Treasury regulations, the Distribution Date immediately following the maturity date for the Mortgage Loans with the latest maturity date has been designated as the "latest possible maturity date" for each Class of Certificates. (2) Calculated in accordance with the definition of "Pass-Through Rate" herein. (3) The Class CE Certificates will accrue interest at its variable Pass-Through Rate on the Notional Amount of the Class CE Certificates outstanding from time to time which shall equal the Uncertificated Balance of the REMIC I Regular Interests. The Class CE Certificates will not accrue interest on its Certificate Principal Balance. (4) The Class P Certificates will not accrue interest. As of the Cut-off Date, the Group I Mortgage Loans had an aggregate Scheduled Principal Balance equal to $674,875,094.20 and the Group II Mortgage Loans had an aggregate Scheduled Principal Balance equal to $1,024,098,727.12. 2. COUNTERPARTS. This Amendment may be executed simultaneously in any number of counterparts, each of which counterparts shall be deemed to be an original, and such counterparts shall constitute but one and the same instrument. 3. GOVERNING LAW. This Amendment shall be construed in accordance with the laws of the State of New York and the obligations, rights and remedies of the parties hereunder shall be determined in accordance with such laws. 4. SEVERABILITY OF PROVISIONS. If any one or more of the covenants, agreements, provisions or terms of this Amendment for any reason whatsoever shall be held invalid, then such covenants, agreements, provisions or terms shall be deemed severable from the remaining covenants, agreements, provisions or terms of this Amendment and shall in no way affect the validity or enforceability of the other provisions of this Amendment. 5. SUCCESSORS AND ASSIGNS. The provisions of this Amendment shall be binding upon and inure to the benefit of the respective successors and assigns of the parties hereto, and all such provisions shall inure to the benefit of the Certificateholders. 6. ARTICLE AND SECTION HEADINGS. The article and section headings herein are for convenience of reference only, and shall not limit or otherwise affect the meaning hereof. IN WITNESS WHEREOF, the undersigned have caused their names to be signed hereto by their respective officers thereunto duly authorized, all as of the day and year first above written. AMERIQUEST MORTGAGE SECURITIES INC., as Depositor By: /s/ John P. Grazer -------------------------------- Name: John P. Grazer Title: Chief Financial Officer AMERIQUEST MORTGAGE COMPANY, as Master Servicer By: /s/ John P. Grazer -------------------------------- Name: John P. Grazer Title: Executive Vice-President DEUTSCHE BANK NATIONAL TRUST COMPANY, as Trustee By: /s/ Valerie Delgado -------------------------------- Name: Valerie Delgado Title: Associate By: /s/ Ronaldo Reyes -------------------------------- Name: Ronaldo Reyes Title: Assistant Vice-President

AMERIQUEST MORTGAGE SEC INC AST BACK PS THR CERT SER 2003-1 8-K/A