Director John Williams, Jr. resigns from Old Second Bancorp board upon reaching age 73

OLD SECOND BANCORP INC

Resignation effective July 7, 2026, per Director Resignation Policy requiring resignation at age 73.
Resignation not due to any disagreement with the company.
Board will not fill vacancy; board size reduced by one member.
Williams served on Risk and Insurance Committee since 2021.

item 5.02

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Departed

John Williams, Jr.

Director

OSBC · OLD SECOND BANCORP INC

Effective: 2026-07-07
Filed: July 8, 2026, 11:00 AM ET

Effective July 7, 2026, John Williams, Jr., a member of the Board of Directors (the “Board”) of Old Second Bancorp, Inc. (the “Company”), resigned from the Board.

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Executive change SEC 8-K Item 5.02 confidence 0.95

John Williams, Jr. resigned as Director at OLD SECOND BANCORP INC.

Action: resigned
Role: Director

Exact text from the filing

Effective July 7, 2026, John Williams, Jr., a member of the Board of Directors (the “Board”) of Old Second Bancorp, Inc. (the “Company”), resigned from the Board.

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Source: SEC EDGAR

accession 0000357173-26-000037

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