Puna

100%-owned silver-lead-zinc Puna Operations in Jujuy Province, Argentina. Open-pit Ag-Pb-Zn mining at Chinchillas with concentrate processing through the Pirquitas plant; producers silver, lead and zinc concentrates sold to smelters/traders. Reserves at $20.50/oz Ag, $0.90/lb Pb, $1.15/lb Zn. Chinchillas NSR cut-off $44.32/t. Average recoveries 95.8% Ag, 93.7% Pb, 44.4% Zn. Contributed 28% of 2025 SSR revenue. Was material property prior to CC&V acquisition; reclassified as non-material in 2025.