Patrick Keenan

Teledyne, Inc. is a technology-based manufacturing businesses. It is engaged in serving customers with specialty metals for consumer, industrial and aerospace applications; commercial and government-related aviation and electronics products and consumer and industrial products. The company was founded by Henry Singleton and George Kozmetsky in 1960 and is headquartered in Akron, OH.

PolyMet Mining Corp. engages in the exploration and development of natural resource properties. It develops and operates the NorthMet project in Minnesota, which hosts copper, nickel, cobalt, and platinum group metal mineralization. The company was founded by John P. McGoran on March 4, 1981 and is headquartered in St. Paul, MN.

Kennecott Utah Copper LLC develops, processes and provides mining support activities related to copper. The company was founded on June 4, 1903 and is headquartered in South Jordan, UT.

Part of Freeport-McMoRan, Inc., PT Rio Tinto Indonesia is an Indonesian company that explores and mines for copper. The private company is based in Jakarta Selatan, Indonesia.

RIO Tinto Diamonds Ltd. engages in diamond exploration, mining, and sales and marketing. The company was founded on October 21, 2004 and is headquartered in London, the United Kingdom.

Part of Rio Tinto Ltd., Rio Tinto Energy engages in uranium mining business. The private company is based in Brisbane, Australia.