Barry Lavin

OZ Minerals Ltd. is a copper-focused international company. It operates through the following segments: Prominent Hill, Carrapateena, Carajas, West Must Grave, Exploration and Development, and Corporate. The Prominent Hill segment engages in the mining and processing high grade underground ore containing copper, gold and silver along with open pit ore from stockpiles. The Carrapateena segment is involved in mining and processing underground ore containing copper, gold, and silver. The Carajás segment focuses on mining and processing open pit ore containing copper and gold from the Antas mine and developing the Pedra Branca Mine in the Carajas Hub in Brazil. The Exploration and Development segment includes exploration and evaluation activities associated with other projects. The Corporate segment offers corporate activities such as other investment in equity securities and cash balances. The company was founded in 2008 and is headquartered in Adelaide, Australia.

Barminco Ltd. provides underground mining services. Its services include production mining, diamond drilling, shotcreting and crushing and screening. The company was founded by Peter Bartlett in 1989 and is headquartered in Perth, Australia.

Toachi Mining, Inc. operates as an exploration company. The firm engages in the development of the La Plata gold, copper, zinc and silver volcanogenic-massive-sulphide project in Ecuador. The company was founded by Nicholas Tintor and Laurence Wilson Curtis and is headquartered in Vancouver, Canada.

Rio Tinto-Iron Ore explores and mines for mineral resources. The company was founded on August 12, 1997 and is headquartered in Perth, Australia.

Barminco Holdings Pty Ltd. operates as a holding company with interests in providing underground hard rock contract mining services. The firm involves in the provision of equipment, personnel, and technical expertise to conduct underground operations for producing mining companies, primarily in the gold, copper, and nickel sectors as well as zinc and tin. It also provides underground diamond drilling, crushing and screening, and support services. The company was founded in 1989 and is headquartered in Perth, Australia.