INVESTOR DAY 2026 Attributable Gold Equivalent Ounces Proven & Probable Measured & Indicated Inferred 2032 Xavantina 52 Producing ERO COPPER CORP. Brazil Stream Terms 25% of gold produced @ 40% of spot ongoing payment until 160 koz delivered; then 10% of gold produced @ 40% spot ongoing 66 koz 12 koz 22 koz Mine Life High-grade underground gold mine; exploration and processing upside Guidance 2026: 40-50 koz Au Long-term: 50-60 koz Au through 2028 + gold sale concentrates through mid-2027