Investor Presentaiton

TAHUEHUETO PRODUCTION & AISC PROFILE GUIDANCE Gold Equivalent Production (000 oz AuEq) COMPANY FORECAST BASED ON CURRENT RESERVES AND THE 2022 PFS AT 1,000 TPD OPERATION Gold Equivalent Production and (Internal) AISC Forecast Lead Silver Gold Copper Zinc 50 47 41 42 42 41 42 58 39 38 40 30 20 Total Revenue Breakdown (Life of Mine) Copper Lead AISC 1,200 Silver 13% 4% 9% Zinc 1,000 12% 50 800 30 600 400 AISC (US$/oz AuEq) Lead Zinc ■Gold Silver 10 о 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 200 Gold 62% 75% OF ESTIMATED ANNUAL REVENUES FROM PRECIOUS METALS 1. Based on management's forecasts. Gold equivalent production, AISC and revenue breakdown were calculated using the following metal price forecast based on CIBC September 2022 consensus research median prices: 2. Production expected to be maintained above 40,000 AuEq ounces in later years of mine life and mine life expected to be significantly extended past 2032 by outlining new reserves with exploration. Metal Zinc Unit 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 USD/lb Lead USD/lb Gold USD/oz Silver USD/oz Copper USD/lb 1.36 0.94 1,796.02 21.86 3.73 1.29 0.93 1,761.93 22.30 3.86 1.24 1.14 1.14 1.14 1.14 1.14 1.14 1.14 0.93 0.92 0.92 0.92 0.92 0.92 0.92 0.92 1,748.80 1,649.97 1,649.97 1,649.97 1,649.97 1,649.97 1,649.97 1,649.97 22.24 21.35 21.35 21.35 21.35 21.35 21.35 21.35 3.94 3.59 3.59 3.59 3.59 3.59 3.59 3.59 10

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