X0609 4 2026-10-13 0000007789 ASSOCIATED BANC-CORP ASB 0001789468 Kelley Angela M false ASSOCIATED BANC-CORP 433 MAIN STREET GREEN BAY WI 54301 1 General Counsel & Corp Sec'y 0 Common Stock $0.01 Par Value 2026-10-13 4 A 0 17385 28.76 A 17385 D Sign-on award: The reported shares were granted pursuant to the issuer's equity incentive plan and vest in three equal annual installments on the first, second and third anniversaries of the grant date, subject to the reporting person's continued service through each applicable vesting date. NOTE: The reported award was granted on the date the reporting person became subject to Section 16 of the Securities Exchange Act of 1934 and is also reflected in the reporting person's Form 3 initial statement of beneficial ownership. This Form 4 is filed for informational purposes only. The reported price represents the average closing price of the Issuer's common stock over the ten consecutive trading days ending on 10/13/2026. /s/ Lynn M. Floeter, by POA from Angela M. Kelley 2026-10-15