Old Second Bancorp, Inc. Declares Cash Dividend – Key Shareholder Update

Aurora, IL – April 21, 2026 – Old Second Bancorp, Inc. (NASDAQ: OSBC), a state commercial bank holding company headquartered in Aurora, Illinois, has announced a significant update that will be of interest to shareholders and investors.

Key Highlights from the SEC 8-K Filing

• Dividend Declaration: On April 21, 2026, the Board of Directors of Old Second Bancorp, Inc. declared a cash dividend of \$0.07 per share.
• Dividend Payable Date: The dividend will be payable on May 11, 2026.
• Record Date: Shareholders of record as of May 1, 2026 will be eligible to receive the dividend.
• Trading Information: Old Second Bancorp’s common stock trades on the NASDAQ under the symbol OSBC.
• Corporate Details: The company is incorporated in Delaware and its principal executive offices are located at 37 S River St, Aurora, IL 60507. The company’s central index key (CIK) is 0000357173, and its Employer Identification Number (EIN) is 36-3143493.

Implications for Shareholders

This dividend declaration is a direct return of capital to shareholders and is generally seen as a positive indicator of the company’s ongoing financial health and confidence in its cash flow. Regular dividend payments, even at modest levels, can be price sensitive and impact the share value, reflecting management’s commitment to shareholder value.

For investors, the timing of the record and payment dates is important. Only shareholders who are on record as of May 1, 2026, will receive the dividend. This could lead to increased trading volume and price movement as the ex-dividend date approaches, as investors may position themselves to qualify for the payout.

Other Regulatory and Corporate Information

• Emerging Growth Company Status: Old Second Bancorp, Inc. is not classified as an emerging growth company under SEC rules, implying it is a well-established issuer.
• No Other Material Events: The filing does not report any mergers, acquisitions, governance changes, or other events that could immediately impact share price beyond the dividend announcement.
• Compliance: There are no written communications pursuant to Rule 425, no soliciting material under Rule 14a-12, and no pre-commencement communications for tender offers noted in this filing.

Signature

The report was signed by Bradley S. Adams, Executive Vice President, Chief Operating Officer, and Chief Financial Officer of Old Second Bancorp, Inc., on behalf of the company.

Potential Impact on Share Price

The declaration of a cash dividend can positively influence the stock price, as it signals management’s confidence in the company’s profitability and future prospects. Investors seeking income may find the dividend attractive, potentially supporting the stock price around the record and payable dates. However, the magnitude of the dividend (\$0.07 per share) should be compared to the company’s historical dividend trend and overall payout ratio for a comprehensive assessment.

Disclaimer: This article is for informational purposes only and does not constitute investment advice or a recommendation to buy or sell any securities. Investors should perform their own due diligence and consult with financial professionals before making investment decisions. The information presented is based solely on the latest SEC filing by Old Second Bancorp, Inc. as of April 21, 2026.

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