X0508 4 2024-09-13 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 2024-09-13 2024-09-16 5 J 0 E 40.041 21.0414 A 9997.686 D Common Stock $0.01 Par Value 2024-09-16 4 A 0 63 21.36 A 10060.686 D Common Stock $0.01 Par Value 5750 I By Trust (with voting rights) Phantom Stock Unit 0 Common Stock $0.01 Par Value 48237.269 48237.269 D 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). 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 Michael J. Haddad 2024-09-17