OLD SECOND BANCORP INC

Old Second Bancorp's Board of Directors declared a cash dividend of $0.07 per share. This dividend is scheduled to be paid on August 10, 2026, to shareholders who are on record as of July 31, 2026.

John Williams, Jr. resigned from Old Second Bancorp, Inc.'s Board of Directors, effective July 7, 2026. His departure aligns with the company's Director Resignation Policy, which mandates resignation upon reaching age 73, and is not due to any disagreement. Mr. Williams, Jr. served on the Risk and Insurance Committee since 2021. The company does not plan to immediately fill the vacancy, reducing the board size by one member.

Old Second Bancorp, Inc. announced it will release its financial results for the second quarter of 2026 after the market closes on July 22, 2026. The company will also host an earnings call on Thursday, July 23, 2026, at 10:00 a.m. Eastern Time. Investors can access the call via a live webcast, with a replay available for up to one year.

Old Second Bancorp, Inc. has authorized a new share repurchase program, allowing the company to buy back up to $61.2 million of its common stock. This program will run from July 1, 2026, to June 30, 2027, and has received non-objection from the Federal Reserve Bank of Chicago. The new program will commence after the current share repurchase plan expires on June 30, 2026.

Dennis Klaeser resigned from the Board of Directors of Old Second Bancorp, Inc. and its subsidiary bank, Old Second National Bank, effective June 5, 2026. Mr. Klaeser, who served for five years and on five key committees, stated his honor in serving. The company confirmed his departure was not due to any disagreement and will not immediately fill the vacancy, reducing the board size by one.

Old Second Bancorp, Inc. announced that its Annual Stockholders Meeting was held on May 19, 2026. The company also stated that the presentation materials from the meeting are accessible to shareholders and investors under the "Presentations" tab on the Investor Relations section of its official website.

Old Second Bancorp, Inc. reported net income of $25.6 million, or $0.48 per diluted share, for the first quarter of 2026. This represents a decrease compared to the fourth quarter of 2025, which saw net income of $28.8 million, or $0.54 per diluted share. Adjusted net income for Q1 2026 was $26.0 million, with adjusted diluted earnings per share of $0.49.