X0306 4 2016-05-06 0000874977 State Auto Financial CORP STFC 0001208695 ROBERTS SHARON ELAINE 4600 INTERNATIONAL GATEWAY COLUMBUS OH 43219 1 0 0 0 Restricted Share Units 2016-05-06 4 A 0 2988 0 A Common Stock 2988 33863.88 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; 129.292 restricted share units acquired on 6/30/15; 129.401 restricted share units acquired on 9/30/15; 147.851 restricted share units acquired on 12/31/15 and 138.899 restricted share units acquired on 3/31/16. S. Elaine Roberts by Melissa A. Centers, attorney in fact per POA attached. 2016-05-09