Investor Presentaiton

ZACATECAS, MEXICO La Colorada LA COLORADA // Pan American's largest silver producing mine • 100% owned and operated underground mine • Expansion completed in 2017 – new mine shaft and sulphide processing plant . Currently producing silver-gold doré bars from a conventional cyanide leach plant for the oxide ore, and silver-rich lead and zinc concentrates from a flotation plant treating sulphide ore Silver Production (Moz) 5.2 5.0 Mineral Reserves & Resources 5.9 2020 2021 2022 Grade Contained Metal P&P Reserves Tonnes Ag Au (Mt) (g/t) (g/t) 10.0 Pb Zn Ag Au Pb Zn (%) (%) (Moz) (koz) (kt) (kt) 317 0.20 1.13 1.99 101.4 63 112 198 M&I Resources 5.3 200 0.15 0.88 1.53 33.9 26 47 80 Inferred 14.9 195 0.20 1.05 1.89 93.9 98 157 282 Resources (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.) 31

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