Alumina Limited Provides Production Guidance for the Year of 2022

Alumina Limited is an Australia-based company, which invests in bauxite mining and alumina refining through Alcoa World Alumina and Chemicals (AWAC), its joint venture with Alcoa Corporation (Alcoa). The principal activities of the Company relate to its 40% interest in the series of operating entities forming AWAC. AWAC has interests in bauxite mining, alumina refining and aluminum smelting. The Company is the 40% partner in the AWAC joint venture with a portfolio of assets in Australia, Brazil, Spain, Saudi Arabia, and Guinea, including global bauxite mines and alumina refineries. AWAC also has a 55% interest in the Portland aluminum smelter in Victoria, Australia. Its subsidiaries include Alumina Employee Share Plan Pty Ltd, Alumina Finance Pty Ltd., Alumina Holdings (USA) Inc., Alumina International Holdings Pty. Ltd., Alumina Brazil Holdings Pty Ltd, Alumina Limited Do Brasil SA, Alumina (U.S.A.) Inc., Butia Participacoes SA, and Westminer Acquisition (U.K.) Limited.