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): April 7, 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. Financial Statements and Exhibits. (a.) Not applicable. (b.) Not applicable. (c.) Exhibits. The following exhibit is furnished herewith. Exhibit 99.1 Press Release dated April 7, 2004, announcing the hiring of Marita Zuraitis as president of the organization's property and casualty companies. Item 9. Regulation FD Disclosure On April 7, 2004, Allmerica Financial Corporation announced that Marita Zuraitis will be joining the organization as president of its property and casualty companies. The press release is furnished as Exhibit 99.1 hereto. 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: April 7, 2004