H1 2023 EBITDA Overview and Oyu Tolgoi Outlook

Global decarbonisation portfolio accelerating - near-term delivery remains a challenge BlueSmelting™ at RTIT Boron biofuel MoU with China Baowu Ilmenite reduction technology • € 95% less GHG emissions potential from BlueSmelting™ • First production delivered in July 2023 from demonstration plant • First open pit mine to convert to renewable diesel 45,000 tonnes CO2 equivalent per year reduction • 9,600 cars comparable reduction Working together to help decarbonise the steel value chain Research, build and demonstrate pilot- scale electric melter Study options for low-carbon iron in Western Australia Rio Tinto ©2023, Rio Tinto, All Rights Reserved 23

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