X0303 4 2010-04-07 0000874977 State Auto Financial CORP STFC 0001227758 RESTREPO ROBERT P JR 518 E. BROAD STREET COLUMBUS OH 43215 1 1 0 0 Chairman, President, CEO Common Shares without par value 2010-04-07 4 A 0 2284.542 18.1776 A 34633.858 D These shares were purchased by the reporting person through his participant account for the State Auto Property & Casualty Insurance Company Incentive Deferred Compensation Plan (the "IDC Plan"). The IDC Plan includes a stock fund investment feature comprised of common shares of State Auto Financial Corporation (the "Company"). These shares were purchased in accordance with irrevocable written instructions given by the reporting person to the Company's administrator of the IDC Plan on March 17, 2010. See the Current Report on Form 8-K filed by the Company on March 19, 2010, for further information regarding this transaction. Includes the following acquisitions: 87.283 shares acquired in March 2010 as dividend reinvestment. /s/Robert P. Restrepo, Jr. by James A. Yano, attorney in fact pursuant to POA filed with Commission 5/7/07. 2010-04-09