Reserves and Resources (cont.) 2019 Measured and Indicated Mineral Resources
(excluding Reserves) Location Short tons Grade Contained Gold (oz/t) Silver (oz/t) Zinc (%) Lead (%) Gold (oz) Silver (oz) Zinc (lbs) Lead (lbs) MEASURED RESOURCES Palmarejo Chihuahua,
Mexico 870,000 0.055 3.69 48,000 3,210,000 Rochester Nevada, USA 194,330,000 0.002 0.35 450,000 67,602,000 Kensington Alaska, USA 2,062,000 0.239 - 493,000 - Wharf South
Dakota, USA 6,631,000 0.027 - 178,000 - Silvertip British Columbia, Canada 138,000 - 10.85 9.79% 7.70% - 1,497,000 26,924,000 21,183,000 Lincoln Hill Nevada,
USA 4,642,000 0.012 0.34 58,000 1,592,000 La Preciosa Durango, Mexico 9,536,000 0.005 3.04 45,000 29,001,000 Total 218,209,000 0.006 0.47 1,272,000 102,902,000 26,924,000 21,183,000 INDICATED
RESOURCES Palmarejo Chihuahua, Mexico 7,894,000 0.048 3.97 377,000 31,313,000 Rochester Nevada, USA 42,015,000 0.002 0.36 96,000 15,195,000 Kensington Alaska,
USA 1,164,000 0.231 - 269,000 - Wharf South Dakota, USA 4,926,000 0.032 - 156,000 - Silvertip British Columbia, Canada 1,579,000 - 6.39 8.81% 3.89% - 10,091,000 278,081,000 122,734,000 Lincoln
Hill Nevada, USA 27,668,000 0.011 0.31 306,000 8,655,000 La Preciosa Durango,
Mexico 19,141,000 0.006 3.98 118,000 76,185,000 Total 104,385,000 0.013 1.35 1,323,000 141,438,000 278,081,000 122,734,000 MEASURED AND INDICATED RESOURCES Palmarejo Chihuahua,
Mexico 8,764,000 0.048 3.94 425,000 34,522,000 Rochester Nevada, USA 236,345,000 0.002 0.35 546,000 82,797,000 Kensington Alaska, USA 3,226,000 0.236 - 762,000 - Wharf South
Dakota, USA 11,557,000 0.029 - 334,000 - Silvertip British Columbia, Canada 1,716,000 - 6.75 8.89% 4.19% - 11,588,000 305,005,000 143,917,000 Lincoln Hill Nevada,
USA 32,310,000 0.011 0.32 364,000 10,247,000 La Preciosa Durango, Mexico 28,677,000 0.006 3.67 163,000 105,186,000 Total Measured and Indicated
Resources 322,594,000 0.008 0.76 2,594,000 244,340,000 305,005,000 143,917,000