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 2, 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) Item 7.01. Regulation FD Disclosure On September 2, 2004, Allmerica Financial Corporation announced that it has increased its estimate of pre-tax catastrophe losses from Hurricane Charley by $10 million following additional inspections of the damaged properties and more complete information provided by policyholders. The Company expects to incur approximately $40 million in pre-tax catastrophe losses related to Hurricane Charley. 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 2, 2004, announcing an increased estimate of pre-tax catastrophe losses related to Hurricane Charley. 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 2, 2004 3 Exhibit Index Exhibit 99.1 Press Release, dated September 2, 2004, announcing an increased estimate of pre-tax catastrophe losses related to Hurricane Charley. 4