Arcadium Lithium Receives All Required Regulatory Approvals Globally to Close Acquisition by Rio Tinto and Announces Court Hearing Date PR Newswire PHILADELPHIA and PERTH, Australia, Feb. 14, 2025 PHILADELPHIA and PERTH, Australia , Feb. 14, 2025 /PRNewswire/ -- Arcadium Lithium plc (NYSE: ALTM, ASX: LTM, "Arcadium Lithium"), a leading global lithium chemicals producer, has now received all required pre-closing regulatory approvals in connection with the proposed acquisition of Arcadium Lithium...