Form 4 Filing for PROGRESSIVE CORP/OH/

This filing details a Form 4 submission by Daniel J. Witalec, Chief Strategy Officer of PROGRESSIVE CORP/OH/, on April 14, 2026. The report covers transactions on April 10 and April 13, 2026. On April 10, 2.281 Restricted Stock Units (RSUs) were acquired, bringing the total to 4488.026 RSUs. On April 13, an additional 1481 RSUs were acquired, increasing the total to 5969.026 RSUs. These RSUs represent a contingent right to receive Common Shares. The RSUs acquired on April 13 vested according to a schedule detailed in footnote 4, with vesting occurring in three equal annual installments starting January 16, 2029. Both transactions were acquired upon the reinvestment of dividend equivalents and vest at the same time as the RSUs to which they relate.