UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of Earliest Event Reported): September 28, 2004 ALLMERICA FINANCIAL CORPORATION ------------------------------- (Exact name of Registrant as specified in its charter) Delaware 1-13754 04-3263626 -------- ------- ---------- (State or other jurisdic- (Commission File Number) (I.R.S. Employer tion of incorporation) Identification No.) 440 Lincoln Street, Worcester, Massachusetts 01653 -------------------------------------------------- (Address of principal executive offices) (Zip Code) (508) 855-1000 -------------- (Registrant's telephone number, including area code) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: [ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) [ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) [ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Aqct (17 CFR 240.14d-2(b)) [ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Aqct (17 CFR 240.13e-4(c)) Item 7.01. Regulation FD Disclosure On September 28, 2004, Allmerica Financial Corporation announced estimated pre-tax catastrophe losses from Hurricane Ivan of approximately $5 million. The anticipated charges will be reflected in the Company's third quarter results. The press release is furnished as Exhibit 99.1 hereto. Item 9.01. Financial Statements and Exhibits (a) Not applicable. (b) Not applicable. (c) Exhibits. The following exhibit is furnished herewith. Exhibit 99.1 Press Release dated September 28, 2004, announcing estimated pre-tax catastrophe losses related to Hurricane Ivan. 2 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. Allmerica Financial Corporation ------------------------------- Registrant By: /s/ Edward J. Parry III ----------------------- Edward J. Parry III Chief Financial Officer, Executive Vice President, Principal Accounting Officer and Director Date: September 28, 2004 3 Exhibit Index Exhibit 99.1 Press Release, dated September 28, 2004, announcing estimated pre-tax catastrophe losses related to Hurricane Ivan. 4