EX-21.1 4 osbc-20201231ex21120d12a.htm EX-21.1

Exhibit 21.1

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LIST OF SUBSIDIARIES

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Subsidiaries of the Company |  | Incorporated Under Laws of |  | Percent Owned by the Company
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Old Second National Bank | ​ | United States | ​ | 100% of the common stock
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Old Second Capital Trust II | ​ | State of Delaware | ​ | 100% of the common stock
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Old Second Affordable | ​ | ​ | ​ | ​
Housing Fund, L.L.C. | ​ | State of Illinois | ​ | Owned by Old Second National Bank
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Station I, LLC | ​ | State of Illinois | ​ | Owned by Old Second National Bank
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River Street Advisors, LLC | ​ | State of Illinois | ​ | Owned by Old Second National Bank
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