Strong Foundation for Growth, Decarbonisation and Shareholder Returns

QMM construction on solar and wind power plant commenced QMM has signed a 20-year power purchase agreement using renewable energy with CrossBoundary Energy to supply their mine operations in southern Madagascar ~18,000 solar panels and four wind turbines will enable QMM to meet all of its electricity needs during peak periods and up to 60% of its annual electricity consumption, as well as to reduce its annual carbon dioxide emissions by more than 26kt The renewable power supply will reduce QMM's heavy fuel oil purchases by up to 8.5kt per year The first unit, an 8 MW solar energy facility, will be operational in 2022. The 12 MW wind power facility will be completed in 2023 Rio Tinto ©2022, Rio Tinto, All Rights Reserved 39

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