Karen McMaster

Alexco Resource Corp. engages in the exploration, development, and operation of mineral resource properties. It operates through the following business segments: Reclamation Management, Mining, and Corporate and Other. The Environmental Services segment include clean-up of historical liabilities of the Keno Hill Silver District through ERDC under a contract with the Federal Government of Canada. The Mining segment comprises exploration, underground development, and evaluation activities; and environmental services carried out through ERDC and AEG, providing consulting and project management services. The Corporate and Other segment covers head office and general corporate administration activities. The company was founded on December 3, 2004 and is headquartered in Vancouver, Canada.

Rio Algom Ltd. is a diversified Canadian mining and metals distribution company, whose mining activities include the production of copper, gold, uranium, molybdenum and coal in North and South America. It also operates a metal distribution business in Canada and the United States. The company is located in Toronto, Canada.

BHP Group Plc engages in the exploration, development, production, processing and marketing of minerals, and oil and gas. It operates through the following segments: Petroleum, Copper, Iron Ore, and Coal. The Petroleum segment focuses on exploration, development, and production of oil and gas. The Copper segment includes mining of copper, silver, lead, zinc, molybdenum, uranium, and gold. The Iron Ore segment focuses only on mining of iron ore. The Coal segment is the mining of metallurgical coal and thermal energy coal. The company was founded on June 29, 2001 and is headquartered in London, the United Kingdom.