1. Base case commodity prices used in the 2021 PEA are as follows: US$ 3.25/lb Cu, US$ 1,650/oz Au, US$ 10.00/lb Mo, US$1,256/kg Re, US$:C$ 0.75x
2. The 2021 PEA report detailing the disclosures in this presentation was filed on March 22, 2021 and is available on the Company’s website and on SEDAR.

The Preliminary Economic Assessment (“PEA”) is preliminary in nature and includes inferred mineral resources that are considered too speculative geologically to have the economic considerations applied to them that would allow them to be categorized as mineral reserves and there is no certainty that the preliminary economic assessment will be realized.

1. 2021 PEA: US$3.25/lb Cu, US$1650/oz Au, US$10.00/lb Mo and US$1,256/kg Re.
2. Spot Prices as of February 2, 2021: US$3.51/lb Cu, US$1835.60/oz Au, US$10.03/lb Mo and US$1,256/kg Re.

All figures are qualified by the information presented in the complete 2021 PEA report which can be found here: 2021 PEA Technical Report