Independent Proxy Advisory Firms ISS and Glass Lewis Recommend Atlas Corp. Shareholders Vote "FOR" The Proposed Transaction with Poseidon Acquisition Corp. and Poseidon Merger Sub, Inc.

LONDON, UK, Feb. 9, 2023 /PRNewswire/ - Atlas Corp. ("Atlas" or the "Company") (NYSE: ATCO) today announced that leading independent proxy advisory firms Institutional Shareholder Services, Inc. ("ISS") and Glass Lewis & Co. ("Glass Lewis"), recommended that Atlas shareholders vote "FOR" the previously announced Agreement and Plan of Merger among Atlas, Poseidon Acquisition Corp. and Poseidon Merger Sub, Inc. (the "Merger Agreement"), and the transactions contemplated by the Merger Agreement at the upcoming Annual Meeting of Shareholders on February 24, 2023 (the "Annual Meeting"). ISS and Glass Lewis are two leading independent proxy advisory firms which make voting recommendations to their subscribers, including institutional investors.