Initial Statement of Beneficial Ownership - Form 3 Filing

This filing reports the initial statement of beneficial ownership for Wende L Kotouc, a director at Associated Banc-Corp (ASB). The report details shares of Common Stock acquired through a merger with American National Corporation. As of April 1, 2026, following the merger, Wende L Kotouc directly owns 1,773,132 shares. Additionally, shares are held indirectly through a spouse (8,321,731 shares) and a child (616 shares). The filing also includes a Power of Attorney document authorizing representatives to handle SEC filings and EDGAR administration on behalf of the reporting owner. The Power of Attorney is effective as of February 5, 2026, and is a durable power of attorney.