National Instrument 43-101 Technical Report: Updated Mineral Resource Estimate for the Empire Mine Project, Custer County, Idaho USA” May 30, 2020, by Hard Rock Consulting LLC., Jeff Choquette, P.E., State of Montana (No. 12265), J. J. Brown, P.G., SME-RM (No. 4168244RM), and Zachary J. Black, SME-RM (No. 4156858RM).

*The mineral reserves reported herein for the Empire project have been estimated in a manner consistent with the NI 43-101 Committee of Mineral Reserves International Reporting Standards (“CRIRSCO”) of which both the Canadian Institute of Mining, Metallurgy and Petroleum (“CIM”) and Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves (the “JORC Code”) are members.