3.41
Mineral Resources and Mineral Reserves are as defined by CIM definition Standards on Mineral Resources and Mineral Reserves 2014.
Mineral Resources and Mineral Reserves are estimated as of September 30
th
2020.
Mineral Reserves are reported using an NSR breakeven cut-off value of US$104.44/t (cost basis October 2019 to September 2020) for the Zeus body.
Mineral Resources are reported based on an NSR cut-off grade of US$54.39/t (cost basis October 2019 through September 2020),
Metal prices used were US$1,543.13/troy ounce Au and US$ 3.01/t Cu.
Metallurgical recoveries are based in the historical recovery (El Roble process plant results October 2019 through September 2020): Au is 57.94% and Cu is 92.13%.