Company: OSBC
Filing Date: 2025-05-06
Form Type: S-4/A
Source: 0001104659-25-045103
Chunk: 34

Company: OLD SECOND BANCORP INC
Filing Date: 2025-05-06
Form: S-4/A
Chunk 34
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emics, war or terrorist activities, such as the war in Ukraine, the Middle East conflict, and the conflict between China and Taiwan, essential utility outages, deterioration in the global economy, instability in the credit markets, disruptions in customers’ supply chains or disruption in transportation;

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changes in trade policy and any related tariffs;

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risks associated with complex and changing regulatory environments, including, among others, with respect to data privacy, artificial intelligence, information security, climate change or other environmental, social and governance matters, and labor matters, relating to our operations;

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the ability to use technology to provide products and services that will satisfy customer demands and create efficiencies in operations;

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adverse effects on information technology systems resulting from system failures, human error or cyberattacks;

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adverse effects of cyberattacks or failures by our vendors to provide agreed upon services in the manner and at the cost agreed, particularly information technology vendors and those vendors performing a service on our behalf;

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the soundness of other financial institutions and other counter-party risk; and

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other actions of the Federal Reserve Board and legislative and regulatory actions and reforms.

Additional factors that could cause Old Second’s results to differ materially from those described in the forward-looking statements can be found in Old Second’s filings with the SEC, including Old Second’s Annual Report on Form 10-K for the fiscal year ended December 31, 2024. These and other factors are representative of the risk factors that may emerge and could cause a difference between an ultimate actual outcome and a forward-looking statement.

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### RISK FACTORS
In addition to the other information contained in or incorporated by reference into this proxy statement/ prospectus, including the matters addressed under the caption “Cautionary Statement Regarding Forward-Looking Statements,” you should carefully consider the following risk factors in deciding how to vote on the proposals presented in this proxy statement/prospectus. See also “Where You Can Find More Information” in the forepart of this proxy statement/prospectus and “Incorporation of Certain Documents by Reference” beginning on page 126.

Risks Relating to the Consummation of the Merger and the Combined Company Following the Merger

Because the exchange ratio is fixed and the market price of shares of Old Second common stock has fluctuated and will continue to fluctuate, Bancorp Financial stockholders cannot be sure of the value of the stock component