Antofagasta Results Presentation Deck

1 2 3 Environment and climate change Committed to emissions reduction and efficient water use Mining division Since 2020 2022 TUCOYA 30% Reduction by 2025 100% eléctrico 0% emisiones & GHG emission targets 100% renewable energy since April 2022¹ Nearly 1 million tCO₂e reduction² in Scope 2 emissions 84% of water used is recirculated³ 45% of water used is from the sea³ Carbon neutral by 2050 ANTOFAGASTA PLC Antofagasta plc | 2022 Full Year Results Sea and recirculated water More than 90% of total operational use by 2025 20

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