X0407 4 2023-04-13 0000080661 PROGRESSIVE CORP/OH/ PGR 0001496583 Snyder Barbara R 6300 WILSON MILLS ROAD MAYFIELD VILLAGE OH 44143 1 0 Common 2023-04-13 4 D 0 2734 0 D 21730.479 D Phantom Stock Unit (rest. Stock) 0 2023-04-13 4 A 0 2734 0 A Common 2734 26875.8119 D The reporting person elected to defer receipt of previously granted restricted common shares upon vesting thereof. This Form 4 reports the disposition of such restricted shares in exchange for an equal number of units under the applicable deferred compensation plan. 1 for 1 These units will be paid out in an equal number of Common Shares at the time elected by the reporting person or at such other time determined in accordance with the plan. Expiration Date is the same as the Date Exercisable. /s/ Laurie F. Humphrey, By Power of Attorney 2023-04-17