As filed with the Securities and Exchange Commission on or about February 14, 2003 File Nos. 811-4138 and 333-102568 U.S. SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-14 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Pre-Effective Amendment No. 1 [X] Post-Effective Amendment No. __ [ ] (Check appropriate box or boxes) Allmerica Investment Trust (Exact Name of Registrant as Specified in Charter) 440 Lincoln Street Worcester, Massachusetts 01653 (Address of Principal Executive Offices) Registrant's Telephone Number, including Area Code: (800) 855-1000 George M. Boyd Allmerica Financial Investment Management Services, Inc. 440 Lincoln Street Worcester, Massachusetts 01653 (Name and Address of Agent for Service) Copies to: Gregory D. Sheehan, Esq. Ropes & Gray One International Place Boston, Massachusetts 02110 Approximate Date of Proposed Public Offering: As soon as practicable after the Registration Statement becomes effective under the Securities Act of 1933, as amended. It is proposed that this filing will become effective on March 16, 2003, pursuant to Rule 488 under the Securities Act of 1933, as amended. This amendment is being filed for the sole purpose of delaying the effectiveness of the Registration Statement on N-14 filed by the Registrant with the Securities and Exchange Commission on January 17, 2003 (accession number 0000950109-03-000165) (the "Original Registration Statement"). Parts A, B and C of the Original Registration Statement, together with all appendices and exhibits, are incorporated herein by reference in their entirety to the Original Registration Statement. No filing fee is required because of reliance on Section 24(f) of the Investment Company Act of 1940, as amended. Title of Securities Being Registered ...... Shares of common stock, no par value, of the Select Growth Fund, the Select International Equity Fund, the Equity Index Fund and the Select Investment Grade Income Fund, each a Series of the Registrant SIGNATURES Pursuant to the requirements of the Securities Act and the Investment Company Act, Allmerica Investment Trust has duly caused this Registration Statement to be signed on its behalf by the undersigned, duly authorized, in the City of Worcester and Commonwealth of Massachusetts on the 13th day of February, 2003. ALLMERICA INVESTMENT TRUST By: /s/ JOHN P. KAVANAUGH ----------------------------- John P. Kavanaugh, President Pursuant to the requirements of the Securities Act, this Registration Statement has been signed below by the following persons in the capacities and on the date(s) indicated. Signature Title Date --------- ----- ---- /S/ JOHN P. KAVANAUGH President (Chief Executive February 13, 2003 - ----------------------- Officer), Chairman of John P. Kavanaugh the Board and Trustee /S/ PAUL T. KANE Treasurer (Principal February 13, 2003 - ----------------------- Accounting Officer, Paul T. Kane Principal Financial Officer) * Trustee February 13, 2003 - ----------------------- P. Kevin Condron * Trustee February 13, 2003 - ----------------------- Joceyln S. Davis * Trustee February 13, 2003 - ----------------------- Cynthia A. Hargadon * Trustee February 13, 2003 - ----------------------- T. Britton Harris, IV * Trustee February 13, 2003 - ----------------------- Gordon Holmes Signature Title Date --------- ----- ---- * Trustee February 13, 2003 - ----------------------- Mark A. Hug * Trustee February 13, 2003 - ----------------------- Attiat F. Ott * Trustee February 13, 2003 - ----------------------- Ranne P. Warner *By: /s/ John P. Kavanaugh, as - ----------------------- Attorney-in-fact pursuant to Power of Attorney filed previously C-6