Company: ASB
Filing Date: 2025-12-30
Form Type: S-4
Source: 0001193125-25-337086
Chunk: 76

Company: ASSOCIATED BANC-CORP
Filing Date: 2025-12-30
Form: S-4
Chunk 76
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 may be important or applicable to a particular holder of American National common stock. The tax consequences of the Merger to any holder of American National common stock will depend on such holder’s specific situation and circumstances. American National shareholders should consult their own tax advisors with respect to the tax consequences of the Merger in light of their particular circumstances, including the applicability and effect of any U.S. federal, U.S. state or local, non-U.S.or other tax laws and of changes in such laws. 53

BUSINESS OF AMERICAN NATIONAL

General

American National Corporation is a Nebraska corporation founded in 1964 and is registered as a bank holding company which has elected financial
holding company status under the BHC Act. American National is headquartered in Omaha, Nebraska. American National is the parent company of American National Bank, a national banking association and majority-owned subsidiary of American National.

American National Bank was founded in 1856 and has grown into a full-service community bank serving a diversified customer base through
33 full-service branch offices located in Nebraska, Iowa and Minnesota, with a strong presence in the Omaha and Twin Cities metro areas. American National Bank provides commercial and retail banking services to small- and medium-sized businesses, professionals, agricultural enterprises and individual consumers.

As a bank
holding company, American National Corporation is subject to supervision and regulation by the Federal Reserve Board. American National Bank is subject to supervision and regulation by the Office of the Comptroller of the Currency, its primary
federal regulator. American National Bank’s deposits are insured by the FDIC up to applicable legal limits. As of September 30, 2025, American National had total consolidated assets of approximately $5.3 billion, total deposits of
approximately $4.7 billion, and total loans of approximately $3.8 billion.

American National Bank’s website is
www.american.bank. The information on American National Bank’s website is not part of this information statement/prospectus, and the reference to the American National Bank website address does not constitute incorporation by reference of any
information on that website into this information statement/prospectus.

Products and Services

American National Bank offers a full range of community banking products and services to business and retail customers. Its lending activities
include commercial and industrial loans, commercial real estate loans, residential mortgage loans, agricultural loans and consumer loans. The terms of these loans vary by purpose and by type of underlying collateral, if any. Loan products are
designed to meet the needs of the communities served while