Compa¦fa de Minas Buenaventura S.A.A

Compañía de Minas Buenaventura S.A.A. engages in the exploration mining concentration smelting and marketing of polymetallic ores and metals in Peru the United States Asia and Europe. The company explores for gold silver lead zinc and copper metals. It operates operating mining units including Tambomayo located in the Caylloma province Orcopampa Unit located in the province of Castilla Uchucchacua located in province of Oyón Julcani located in province of Angaraes Peru as well as San Gabrie located in the province of General Sánchez Cerro in the Moquegua region. The company also owns interests in Colquijirca La Zanja Cerro Verde El Brocal Coimolache Yumpaq San Gregorio mines and Trapiche mining unit. In addition it produces monohydrate manganese sulphate; and operates hydroelectric power plants. The company was incorporated in 1953 and is based in Lima Peru.