X0306 4 2020-03-06 0000874977 State Auto Financial CORP STFC 0001575346 Pollak Matthew Robert 518 E. BROAD STREET COLUMBUS OH 43215 0 1 0 0 Vice President Common Shares without par value 2020-03-06 4 A 0 1679 31.02 A 5007.558 D Common Shares without par value 2020-03-06 4 F 0 599 31.02 D 4408.558 D Represents common shares surrendered by the reporting person to STFC (or disposed to the issuer thereiof) for payment of tax liability incident to a prior Performance Stock Unit Award issued on 3/3/17, which has a three-year performance period, vesting on 12/31/19. Prior thereto, such disposition to the issuer had been approved by the STFC Compensation Committee pursuant to Rule 16-b-3 (e) and is therefore exempt from the provisions of Section 16(b) of the Securites Exchange Act of 1934. The price per share of $31.02 represents the closing price of STFC's common shares on December 31, 2019. Includes the following acquisitions: 288.189 shares acquired in June 2019 and 323.049 shares acquired in December 2019 under the State Auto Financial Corporation Employee Stock Purchase Plan; 0.68 shares acquired in December, 2019 as Restricted Dividend Reinvestment. Also includes 124.163 shares in a DRIP Account. /s/Matthew Robert Pollak by Melissa A. Centers, attorney in fact, pursuant to POA filed with commission 3-7-16. 2020-03-09