X0306 4 2020-05-08 0000874977 State Auto Financial CORP STFC 0001223829 MEUSE DAVID R 101 E. COLUMBUS STREET COLUMBUS OH 43206 1 0 0 0 Restricted Share Units 2020-05-08 4 A 0 2488 0 A Common Stock 2488 45560.178 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 Shae 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 services 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. 123 restricted share units acquired on 6/30/19; 131 restricted share units acquired on 9/30/19; 140 restricted share units acquired on 12/31/19 and 181 restricted share units acquired on 3/31/20. David R. Meuse by Melissa A. Centers, attorney in fact pursuant to a POA filed with the Commission 5/9/16. 2020-05-08