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): June 4, 2003 State Auto Financial Corporation -------------------------------------------------------------------------------- (Exact name of registrant as specified in its charter) Ohio -------------------------------------------------------------------------------- (State or other jurisdiction of incorporation) 0-19289 31-1324304 ---------------------------------- ---------------------------------- (Commission File Number) (IRS Employer Identification No.) 518 East Broad Street, Columbus, Ohio 43215-3976 -------------------------------------------------------------------------------- (Address of principal executive offices) (zip code) Registrant's telephone number, including area code: (614) 464-5000 -------------------------------------------------------------------------------- N/A -------------------------------------------------------------------------------- (Former name or former address, if changed since last report) ITEM 5. OTHER EVENTS AND REGULATION FD DISCLOSURE Attached as Exhibit 99.1 to this Current Report on Form 8-K and incorporated herein by reference is a letter dated June 4, 2003, from Robert H. Moone, President and Chief Executive Officer of State Automobile Mutual Insurance Company, the holder of approximately 67% of the outstanding common shares of State Auto Financial Corporation ("STFC"), to Gregory M. Shepard, a minority shareholder in STFC. ITEM 7. FINANCIAL STATEMENTS AND EXHIBITS (c) Exhibits. EXHIBIT NO. DESCRIPTION 99.1 Letter dated June 4, 2003, from Robert H. Moone, President and Chief Executive Officer of State Automobile Mutual Insurance Company, to Gregory M. Shepard. 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. State Auto Financial Corporation Date: June 4, 2003 By: /s/ Robert H. Moone ------------------------------------ Robert H. Moone, President and Chief Executive Officer EXHIBIT INDEX EXHIBIT NO. DESCRIPTION OF EXHIBIT 99.1 Letter dated June 4, 2003, from Robert H. Moone, President and Chief Executive Officer of State Automobile Mutual Insurance Company, to Gregory M. Shepard.