• Old Second Bancorp director John Williams, Jr. resigned effective July 7, 2026 under the board’s age-73 resignation policy.
• The vacancy will not be filled immediately, reducing the board size by one member.
• Williams served on the Risk and Insurance Committee.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Old Second Bancorp Inc. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0000357173-26-000037), on July 08, 2026, and is solely responsible for the information contained therein.