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): August 19, 2003 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 I.D. tion of Incorporation) Number) 440 Lincoln Street, Worcester, Massachusetts 01653 (Address of Principal Executive Offices) (Zip Code) (508) 855-1000 (Registrant's Telephone Number including area code) 1 Item 5. Other Events. On August 19, 2003, Allmerica Financial Corporation announced that it has named Frederick Eppinger as President, Chief Executive Officer and Director, effective September 8, 2003. Item 7. Financial Statements and Exhibits. (a) Not applicable. (b) Not applicable. (c) Exhibits. Exhibit 99.1 Press Release, dated August 19, 2003, announcing the appointment of a new President, Chief Executive Officer and Director of Allmerica Financial Corporation. 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/ J. Kendall Huber J. Kendall Huber Executive Officer of the Chairman, Senior Vice President and General Counsel Date: August 19, 2003 3 Exhibit Index Exhibit 99.1 Press Release, dated August 19, 2003, announcing the appointment of a new President, Chief Executive Officer and Director of Allmerica Financial Corporation. 4