Igor Levental

Homestake Mining Co. of California was owned gold operations, located in the following countries: Argentina, Australia, Canada, Chile and USA. The Company was founded to develop the Homestake mine discovered in the Black Hills of the Dakota Territory in 1876. It was a gold mining company until its diversification into uranium mining. Homestake Mining was headquartered in San Francisco, CA.

The Group's principal activity is that of a mining development and exploration company. It currently focuses its resources primarily on the development of San Cristobal Project in Bolivia. San Cristobal is an open-pit silver-zinc-lead deposit, containing approximately 450 million ounces of silver, eight billion pounds of zinc and three billion pounds of lead in proven and probable reserves. San Cristobal is expected to produce approximately 17 million ounces of silver, 225,000 tonnes of zinc and 82,000 tonnes of lead per year on a payable basis in the first five years of operation. The project currently has sufficient reserves to operate for approximately 16 years with a current design capacity of 40,000 tonnes of ore per day. The Group also holds an extensive portfolio of highly prospective exploration properties located primarily in the traditional precious metals-producing regions of Argentina, Peru, Mexico and Bolivia.

DiCon Fiberoptics, Inc. manufactures optical components, modules, and test instruments. The firm’s products include optical switches, attenuators, tunable optical filters, optical channel monitors, filters, splitters and detectors and rack mount systems. It serves optical communications, defense and military, aerospace, industrial manufacturing, biomedical, test and measurement, and fiber optic sensing industries. The company was founded by Ho-Shang Lee in June 1986 and is headquartered in Richmond, CA.

International Corona Corp. is a Canadian company that specializes in mining precious metals. The company is based in Toronto, Canada. Additionally, the company was acquired by Homestake Mining Company of California, part of Barrick Gold Corp. on July 24, 1992 for $439.06 million.