On February 16, 2022, Coeur Mining Inc. (" Coeur ") reported in a news release that Wharf's updated Proven and Probable Reserves totaled 852 Koz at 0.73 g/t. Total Measured and Indicated Resources were reported at 412 Koz at 0.63g/t, with an Inferred Resource estimate of 90 Koz at 0.75 g/t. In addition, Coeur reported in their Q4 2021 financial statements, an updated mine life of 8 years for Wharf.