Antofagasta Investor Conference Presentation Deck

The Antofagasta investment case A reliable producer with embedded growth High quality assets Four mines in two "world-class" districts in Chile Production growth Large and growing resource base Financial position Strong balance sheet Healthy cash flow Disciplined capital allocation Strong shareholder returns ANTOFAGASTA PLC Operating efficiency Constant focus on unit costs Cost & Competitiveness Programme Operational excellence Innovation Sustainability Strict safety and health controls Create economic value for all Managed environmental impact Adapt to, and mitigate climate change risk Antofagasta plc | 2022 BMO Global Metals & Mining Conference 17

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