Investment Program to Significantly Increase Production

COMPANY PRESENTATION Solid financial performance TOP TIER MARGINS AND CONSERVATIVE LEVERAGE FOR INCREASED FINANCIAL FLEXIBILITY 2021 EBITDA Margin Antofagasta 65% 2021 Total Debt / EBITDA Rio Tinto BHP Billiton Anglo American Antofagasta Freeport SCC SCC 63% First Quantum BHP 63% Southern Copper 0.40x 0.60x 0.70x 0.80x 0.90x 1.00x 2.30x Amortization Schedule Rio Tinto 60% 2022 $300 First 2025 50% $500 Quantum 2028 $51 Anglo 2035 $1,000 49% American 2040 $1,100 2042 $1,200 Freeport 47% 2045 $1,500 2050 $1,000 18 Source: Bloomberg Consensus Source: Company Reports and Bloomberg Consensus

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