Recent Updates — BY

Byline Bancorp announced executive leadership changes effective January 1, 2027. Sean H. McGuire was appointed Chief Commercial Banking Officer, a newly created role, while Scott Hawthorne succeeded Mark Fucinato as Chief Credit Officer. Brogan Ptacin and Mark Fucinato are retiring from their executive positions after December 31, 2026, remaining in advisory roles. Darrin Bacon was also named Head of Commercial Banking. Byline Bancorp is the parent company of Byline Bank, a full-service commercial bank serving small- and medium-sized businesses.

Byline Bancorp, Inc. has entered into a definitive merger agreement to acquire Illinois State Bancorp, Inc., including its banking subsidiaries First Nations Bank and The Bank of Bourbonnais, in a transaction valued at approximately $87.9 million. Byline will issue roughly 1.4 million shares of common stock and pay $28.9 million in cash to Illinois State Bancorp shareholders, plus an additional $5.1 million to settle outstanding options. Based on Byline's October 5 closing price of $37.63, the deal values each share at $261.23. The transaction is expected to close in the first quarter of 2027, subject to regulatory and shareholder approvals. Upon completion, the combined entity will operate 48 branches with approximately $10.5 billion in assets. Byline Bancorp operates as a full-service commercial bank serving small- and medium-sized businesses and consumers.