X0306 4 2012-12-07 0000874977 State Auto Financial CORP STFC 0001398593 Baker Robert Ellison 1310 GLEN CEDARS DRIVE MABLETON GA 30126 1 0 0 0 Common Shares without par value 2012-12-07 4 P 0 500 14.25 A 2800 D Restricted Share Units 15036.639 D Represents restricted share units previously granted under Oustide 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. Each restricted share unit represents a right to receive one share of STFC common stock. 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 six month waiting period. Robert E. Baker by James A. Yano, attorney in fact pursuant to a POA filed with the Commission 5-8-07 2012-12-10