Form 4 Filing by Gregory Warsek

Gregory Warsek, EVP of ASSOCIATED BANC-CORP, acquired 42 shares of Common Stock with a par value of $0.01 on March 16, 2026, at a price of $24.59 per share. This transaction is coded as "A" and is not subject to insider trading reporting requirements. Post-transaction, Warsek owns 17,055 shares directly. Additionally, Warsek has 28,100.34 shares of the same stock indirectly held through a 401(K) Plan. The filing also notes dividend equivalent units earned on vested shares, with a portion deferred until distribution per Warsek's election.