Investor Presentaiton

CHIHUAHUA, MEXICO DOLORES // Large gold / silver Mine • 100% owned and operated • Dolores Mining is by open pit and uses conventional cyanide heap leaching to produce gold and silver doré Average throughput capacity of 20,000 tpd Silver & Gold Production Mineral Reserves & Resources Silver (Moz) Gold (koz) 3.8 98 2.2 160 Grade Contained Metal Tonnes Ag Au Ag Au 137 (Mt) (g/t) (g/t) (Moz) (koz) 2.2 P&P Reserves 17.0 20 0.57 11.0 313 2020 2021 2022 M&I Resources Inferred Resources 3.0 38 0.70 3.6 66 2.5 29 0.92 2.4 74 (as of June 30, 2022; see presentation Appendix for more detailed information on the Company's reserves and resources and the metal price assumptions used for these estimates.) 32

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