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FYRE LAKE PROJECT — 2017 Technical Report Company BMC MINERALS (NO.1) LTD Date 2017 Region Ontario, Canada Commodities Nickel, Copper […]

2019 Updated Mineral Resources and Mineral Reserves Statements of Mineração Caraíba’s Vale do Curaçá Mineral Assets Company Mineração Caraíba Date

Cerro Blanco Gold Project — 2022 Technical Report Company Cerro Blanco Gold Project Date 2022 Region Not Specified Commodities Gold,

K.Hill MRE Update 2022 — Recovery Methods Company K.Hill Date 2022 Region South Africa Commodities Manganese Mine Type Open Pit

CuMo Project — 2019 Technical Report Company CuMoCo Date November 2019 Region USA Commodities Copper, Molybdenum, Silver Mine Type Open

Olympias Project — 2011 Technical Report Company European Goldfields Limited Date 2011 Region Greece Commodities Gold, Silver, Lead, Zinc, Copper

Wray Mesa Project — 2019 Technical Report Company MJH/TMP Date 2019 Region Utah, USA Commodities Uranium, Vanadium Executive Summary This

Mercedes Gold-Silver Mine — 2014 Technical Report Company Yamana Gold Inc. Mine Mercedes Gold-Silver Mine Date 2014-05-31 Commodities Gold, Silver

Diablillos — 2021 Preliminary Economic Assessment Technical Report Company Not Specified Date 2021 Region Not Specified Commodities Silver, Gold Mine

Nexa Resources S.A. – Vazante Polymetallic Operations, Project #3245 Technical Report NI 43-101 Company Nexa Resources S.A. Date 2021-01-29 Region