Associated Banc-Corp: to host earnings conference call Jan. 20

News Release

GREEN BAY, Wis., – Jan. 17, 2005 – Associated Banc-Corp (NASDAQ: ASBC) will host a conference call for investors and analysts at 3 p.m. CDT Thursday, Jan. 20, following the release of the company’s fourth quarter earnings announcement, which is expected at approximately noon that day.

The toll-free dial-in number is 877-654-5513. Participants should ask the operator for the Associated Banc-Corp earnings call, or for call ID number 3275588.

Associated Banc-Corp, headquartered in Green Bay, Wis., is a diversified multibank holding company with total assets of approximately $20 billion, serving Wisconsin, Illinois, and Minnesota through more than 300 banking offices. Associated offers a full range of traditional banking services and a variety of other financial products and services. More information about Associated Banc-Corp is available at www.AssociatedBank.com.

For more information: Jon Drayna, Director of Corporate Communications, 920-491-7006.