X0306 4 2015-05-08 0000874977 State Auto Financial CORP STFC 0001023572 DANTONI DAVID J 15821 SAVONA WAY NAPLES FL 34110 1 0 0 0 Restricted Share Units 2015-05-08 4 A 0 3273 0 A Common Stock 3273 30330.437 D Each restricted share unit represents a right to receive either one share of STFC common stock or the cash equivalent thereof, as further described in the Outside Directors Restricted Share Unit Plan. The restricted share units become payable, in cash or common shares, at the election of the reporting person, upon the reporting person's termination of service as a director, following a 6 month vesting period. Includes restricted share units previously granted under Outside Directors Restricted Share Unit Plan and restricted share units credited with dividends, equivalent in value to those declared and paid on one share of STFC common stock; 114.683 restricted share units acquired on 06/30/14; 128.295 restricted share units acquired on 09/30/14; 119.494 restricted share units acquired on 12/31/14 and 112.416 restricted share units acquired on 03/31/15. David J. D'Antoni by James A. Yano, attorney in fact pursuant to a POA filed with the Commission on 5-4-07 2015-05-11