On March 1, 2024, following the recommendation by its Nominating Committee, the Board of Directors (the ?Board?) of Chicago Rivet & Machine Co. (the ?Company?) appointed Karen G. Ong to the Board of Directors of the Company to serve until the Company?s next Annual Meeting of Shareholders, which is scheduled to be held on Tuesday, May 14, 2024. Ms. Ong, age 52, currently serves, and has served since July 2015, as the President and Chief Operating Officer, and as a Director, of Algonquin State Bank.

In addition, Ms. Ong is a certified public accountant. Prior to her current position, Ms. Ong worked for several years as a certified public accountant for RSM and Grant Thornton and as Tax Director for MB Financial Bank. The Board has also appointed Ms. Ong to the Board?s Audit Committee.