On December 3, 2023, Marty R. Kittrell provided notice to ASGN Incorporated (the ?Company?) that he is retiring as a member of the Board of Directors (the ?Board?) of the Company and does not intend to stand for re-election as a director of the Company upon the expiration of his current term at the Company?s 2024 annual meeting of stockholders in June. As a former Chief Financial Officer, during his 12 years of dedicated service to the Company as a Board member and the Chair of the Audit Committee, Mr. Kittrell provided invaluable guidance to management and the Board through the Company?s public offerings of debt, acquisitions and divestitures, and other strategic activity. Mr. Kittrell served on the Board during the platform acquisition of ECS in 2018, along with 13 additional strategic acquisitions throughout his tenure, during which he provided strategic insight and support as the Company evolved to provide IT staffing and consulting solutions.

Current director and member of the Audit Committee, Maria R. Hawthorne, will assume the role of Chair of the Audit Committee following Mr. Kittrell?s retirement. Ms. Hawthorne has served on the Board since June 2021, and was most recently the chief executive officer at PS Business Parks Inc. Prior to that she had previously held roles with the company as its chief financial officer, chief administrative officer, and regional senior and executive vice president. Ms. Hawthorne brings extensive experience in financial and operational strategies, capital markets, M&A, and enterprise risk management.