¹Simandou Mineral Resources and Ore Reserves have been reported in accordance with the JORC Code and the ASX Listing Rules in Rio Tinto’s 2024 Annual Report released to the ASX on 20 February 2025. The Simandou Mineral Resources comprise 0.2 Bt @ 67.1% Fe of Measured Mineral Resources, 0.5 Bt @ 66.2% Fe of Indicated Mineral Resources and 0.7 Bt @ 65.8% Fe of Inferred Mineral Resources.

The Simandou Ore Reserves comprise 0.2 Bt @ 66.4% Fe of Proved Ore Reserves and 1.3 Bt @ 65.0% Fe of Probable Ore Reserves. The Competent Person responsible for the information in that release that relates to Mineral Resources is Mathew Styles, a Member of the Australasian Institute of Mining and Metallurgy (MAusIMM). The Competent Person for Ore Reserves is Michael Apfel, a MAusIMM. Rio Tinto confirms that it is not aware of any new information or data that materially affects the information included in the 2024 Annual Report, that all material assumptions and technical parameters underpinning the estimates in the 2024 Annual Report continue to apply and have not materially changed, and that the form and context in which the Competent Persons’ findings are presented have not been materially modified.