X0508 4 2026-03-16 0000007789 ASSOCIATED BANC-CORP ASB 0001774576 Haddad Michael J C/O ASSOCIATED BANC-CORP 433 MAIN STREET GREEN BAY WI 54301 1 0 Common Stock $0.01 Par Value 2026-03-16 5 J 0 E 39.585 24.5909 A 8680.542 D Common Stock $0.01 Par Value 2026-03-16 4 A 0 44 24.59 A 8724.542 D Common Stock $0.01 Par Value 5750 I By Trust (with voting rights) Shares were purchased with reinvested dividends in the reporting person's brokerage account. Dividend equivalent units, which vest on the first anniversary of the grant of the restricted stock units to which they relate, are payable solely in shares of common stock upon vesting (subject to deferral if so elected by the Insider). /s/ Lynn M. Floeter, attorney-in-fact for Michael J. Haddad 2026-03-17