INVESTOR DAY 2026 Attributable Gold Equivalent Ounces Proven & Probable Measured & Indicated Inferred 2050 Kansanshi 50 Producing FIRST QUANTUM MINERALS Zambia Stream Terms 75oz of Au per million lbs of recovered Cu until the delivery of 425,000 ounces 55oz of Au per million lbs of recovered Cu between 425,001 ounces and 650,000 ounces delivered 45oz of Au per million lbs of recovered Cu thereafter 625 koz 109 koz 12 koz Mine Life One of Africa’s largest mines, stream expected to provide steady and long-life cash flow