X0609 4 2026-03-24 0000080661 PROGRESSIVE CORP/OH/ PGR 0001691371 Niederst Lori A false 300 NORTH COMMONS BLVD. MAYFIELD VILLAGE OH 44143 1 CRM President 0 Restricted Stock Unit 2026-03-24 4 A 0 3072 0 A Common 3072 12741.326 D Each Restricted Stock Unit represents a contingent right to receive one Common Share of the Company's stock. These units will vest in three equal annual installments on each of January 16, 2029, January 15, 2030, and January 21, 2031, subject to earlier vesting or forfeiture in accordance with the plan and the award agreement. Expiration Date is the same as Date Exercisable. /s/ Laurie F. Humphrey, By Power of Attorney 2026-03-25