On September 9, 2022, ABM Industries Incorporated filed a Current Report on Form 8-K to announce the election of James D. DeVries to its Board of Directors on September 7, 2022. At the time of the Initial Form 8-K, the Board of Directors had not yet determined the committees on which Mr. DeVries would serve. This amendment on Form 8-K is being filed to report that on March 23, 2023, the Board of Directors appointed Mr. DeVries to serve as a member of its Compensation Committee, effective April 1, 2023.