Williams Industrial Services Group Inc. reported the passing, on February 22, 2021, of its longest-serving director and Chairman of the Board, Charles Macaluso. Mr. Macaluso, 77, had served on the Company’s Board of Directors since January 2008 and at the time of his passing was Chairman of the Nominating & Corporate Governance Committee and a member of the Compensation Committee and the Audit Committee. Director Robert B. Mills, the current chairman of the Company’s Audit Committee, will be assuming the role of Acting Chairman of the Board of Directors.