X0306 4 2018-03-16 0000080661 PROGRESSIVE CORP/OH/ PGR 0001699883 Mascaro Daniel P 6300 WILSON MILLS RD. MAYFIELD VILLAGE OH 44143 1 Vice Pres, Secretary and CLO Restricted Stock Unit 2018-03-16 4 A 0 6090 0 A Common 6090 15510.567 D Each Restricted Stock Unit represents a contingent right to receive one Common Share of the Company's stock. Fifty percent of these restricted stock units will vest on May 1, 2018 as a result of qualified retirement eligibility provisions contained in the plan and the award agreement; the remaining fifty percent of these units will vest in three equal annual installments beginning January 1, 2021, subject to earlier vesting or forfeiture in accordance with the provisions of the plan and the award agreement. Expiration Date is the same as the Date Exercisable. /s/ Laurie F. Humphrey, By Power of Attorney 2018-03-20