X0508 4 2024-09-16 0000007789 ASSOCIATED BANC-CORP ASB 0001233165 JEFFE ROBERT A C/O ASSOCIATED BANC-CORP 433 MAIN STREET GREEN BAY WI 54301 1 0 Common Stock $0.01 Par Value 2024-09-16 4 A 0 63 21.36 A 46978 D Common Stock $0.01 Par Value 2024-09-16 4 A 0 416 21.36 A 47394 D Phantom Stock Unit 0 Common Stock $0.01 Par Value 75020.691 75020.691 D 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). Fully vested dividend equivalents received on restricted stock units payable solely in shares of common stock following the date the Insider ceases serving as a director. Stock units are 100% vested at the time of the acquisition. Phantom stock units will remain in the Director's Deferred Compensation Plan until such account balance is distributed pursuant to Insider's distribution elections(s) on file. /s/ Lynn M. Floeter, attorney-in-fact for Robert A. Jeffe 2024-09-17