On August 15, 2023 the board of directors of Old Second Bancorp, Inc. appointed Bradley S. Adams to serve as the company's Chief Operating Officer. In connection with Mr. Adams' appointment as Chief Operating Officer, James L. Eccher will no longer serve in that position effective August 15, 2023. Mr. Eccher will continue to serve as the Company's Chairman, President and Chief Executive Officer.

Mr. Adams will continue to also serve as the company's Chief Financial Officer.