Alaska Miner Summer 2023

LARGE PRODUCING MINES FORT KNOX AND GIL / Gold • Operated by Kinross Alaska • Land ownership: State/Alaska Mental Health Trust/federal • Produced 291,375 oz. of gold • 713 employees and 84 contractors • Spent $293 million with 327 Alaska companies GREENS CREEK / Silver, zinc, gold, lead • Owned and operated by Hecla • Land ownership: Private/federal • Produced 9.7 million oz. of silver • 474 employees • Spent $65 million with 371 Alaska Vendors KENSINGTON / Gold • Operated by Coeur Alaska • Land ownership: Private/federal/state • Produced 109,061 oz. of gold • 402 employees • Spent $52.8 million with 168 Alaska companies POGO / Gold • Operated by Northern Star Resources • Land ownership: State • Produced 242,808 oz of gold • 610 employees • Spent $209 million with 164 Alaska companies RED DOG / Zinc, lead, silver, germanium • Operated by Teck Alaska • Land ownership: NANA Regional Corporation • Produced 1,146,439 metric tonnes of zinc concentrate • 603 employees and 702 contractors • Spent $286 million with 493 Alaska companies USIBELLI / Coal • Operated by Usibelli Coal Mine • Land ownership: State • Produced 1 million tons • 100 employees • Spent $30.5 million with 292 Alaska companies (2022 data for production, employment, and local spending unless noted) PROJECTS IN OR NEAR DEVELOPMENT DONLIN GOLD / Gold • Developed by NovaGold and Barrick Gold • Land ownership: Calista Corp. and The Kuskokwim Corp. • $7.4 billion initial capital costs • Up to 1,000 potential production jobs MANH CHOH / Gold, silver • Developed by Kinross Alaska and Contango ORE • Land ownership: Native Village of Tetlin • $150 million projected capital costs • 500 potential production jobs PEBBLE / Copper, gold, molybdenum, silver, rhenium, palladium • Developed by Northern Dynasty Minerals • Land ownership: State • $6.05 billion projected initial capital costs • 850 potential production jobs ADVANCED EXPLORATION PROJECTS GOLDEN SUMMIT / Gold • Developed by Freegold Ventures • Land ownership: State/federal/private/Alaska Mental Health Trust GRAPHITE CREEK / Graphite • Developed by Graphite One • Land ownership: State • $499 million projected initial capital costs in Alaska • 371 potential production jobs in Alaska LIVENGOOD / Gold • Developed by Tower Hill Mines • Land ownership: State/Alaska Mental Health Trust/federal • $1.9 billion projected initial capital costs • 331 potential production jobs NIBLACK / Copper, gold, zinc, silver • Developed by Blackwolf Copper and Gold • Land ownership: State/federal PALMER / Copper, zinc, gold, silver, barite • Developed by Dowa Metals & Mining and American Pacific Mining • Land ownership: State/Alaska Mental Health Trust/Federal • $278 million projected pre-production costs (2019 PEA) UPPER KOBUK MINERAL PROJECTS (Arctic and Bornite) / Copper, zinc, gold, silver, lead, cobalt • Developed by Ambler Metals • Land ownership: State/private • $905.6 million initial capital costs (Arctic) • 400 potential production jobs (Arctic) MINING IN ALASKA COAL 6 GRAPHITE 6 82 Pb 56 Ba 32 Ge 82 Pb 56 Ba 32 Ge 82 Pb 56 Ba 32 Ge 82 Pb 56 Ba 32 Ge 82 Pb 56 Ba 32 Ge

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