Modernising Agreements and Transition to Renewables

Progressing renewable power options for Australian smelters Power Assets in coal-based grids Ownership (100% basis) Contract expiry 1 Equity share Tomago smelter 51.6% 960MW (demand) 2028 Boyne Island 59.4% smelter 810MW (demand) 2029 Gladstone 42.1% power station 1,680MW (capacity) Rio Tinto ©2021, Rio Tinto, All Rights Reserved Catalyst for regional renewable energy deployment and development of industry Signed Statement of Cooperation with Queensland Government Requires deployment of 5GW+1 of solar and wind power with robust firming solution 27

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