Ian Chang

Pretium Resources, Inc. engages in the acquisition, exploration, development and operation of gold and precious metals resource properties. Its projects include Snowfield and Brucejack which are located in British Columbia. The company was founded by Robert Allan Quartermain in 2010 and is headquartered in Vancouver, Canada.

Fluor Canada Ltd. provides engineering, procurement, construction and maintenance services for canadian and international customers in a variety of industries including oil & gas. The company was founded in 1949 and is located in Calgary, Canada.

Part of Freeport-McMoRan, Inc., Sociedad Contractual Minera El Abra is a leading Chilean international mining company with headquarters in the United States. The company is based in Calama, Chile, and operates seven open-pit copper mines in the United States and two molybdenum mines in the United States. The company operates large, long-lived geographically diverse assets with significant proven and probable reserves of copper, gold, and molybdenum. Additionally, through its subsidiary, the company mines one of the world's largest copper and gold deposits in the Grasberg minerals district in Papua, Indonesia, where it also produces silver. The results of the subsidiary are consolidated in the company's financial statements.