Reserves and Resources

Nevada Resources

Mineral Resource Inventory at Golden Mile, Mineral County, Nevada, USA (as of September 30, 2021)1 2 3 4 5 6 7
Class	Tonnes	Short Tons	Au (g/t)5	Au (opst)6	Au (oz)7
Indicated	2,160,000	2,380,000	1.13	0.033	78,500
Inferred	2,400,000	2,640,000	1.10	0.032	84,500
Reported at a cutoff of 0.34 g/t Au (0.010 opst). Whole block diluted estimates are reported within an optimized pit shell. Mineral Resources do not have demonstrated economic viability. Totals may not sum exactly due to rounding. "g/t" = gram/metric tonne. "Opst" = ounces per short ton. "oz" = Troy ounce.

 

Mineral Resource Inventory at County Line, Mineral & Nye Counties, Nevada, USA (as of December 31, 2022)1 2 3 4 5 6 7 8 9
Class	Tonnes	Au (g/t)	Au (oz)
Measured	579,500	1.04	19,500
Indicated	623,000	0.90	17,900
Inferred	438,000	0.87	12,200
Reported at a cutoff grade of 0.33 g/t Au. Cutoff grade calculations used mining, processing, energy, administrative and smelting/refining costs based on 2022 actual costs for the Company’s producing Isabella Pearl mine. Metallurgical gold recovery assumption used was 81%. This recovery reflects the predicted average recovery from metallurgical test programs at the Isabella Pearl mine. Whole block diluted estimates are reported within an optimized pit shell Mineral Resources do not have demonstrated economic viability Totals may not sum exactly due to rounding “g/t” = gram/metric tonne “oz” = Troy ounce Gold price $1,750 per oz assumed.  The gold price as reported on December 31, 2022 was $1,812 per oz.