MCB defines maiden JORC Ore Reserve Estimate

HIGHLIGHTS:

• Maiden Under Ground Gross Total Ore Reserves: 130.2 Mt @ 0.66% Cu and 0.21 g/t Au, for 856 kt contained copper and 891 koz contained gold at a 0.84% CuEq grade.

• The Ore Reserve forms the basis of the current updated Feasibility Study mine plan and supports ongoing project financing discussions with prospective partners and institutions.

• Metallurgical test work confirms the production of a clean, high-quality copper-gold concentrate, with strong flotation recoveries and no expected penalty elements.