Philex Mining Corp. engages in the exploration, development, and utilization of mineral resources. The firm is engaged in exploration, development and utilization of mineral resources in the Philippines. The firm's two business segments includes mining, and energy and hydrocarbon. Its business includes Padcal mine, Silangan Copper and Gold Project, Bulawan project and Sibutad Project. The firm operates Padcal mine in Benguet Province, Island of Luzon, Philippines, employing the underground block cave mining method, and producing copper concentrates containing gold, copper and silver. The Silangan Copper and Gold Project, located in Surigao del Norte, consists of three deposits - Boyongan, Bayugo-Silangan and Bayugo-Kalayaan. Its Bulawan project has residual resource estimates of approximately 29.6 million tons containing 1.7 million ounces of gold, which also includes the Vista Alegre area. Its subsidiaries include Philex Gold Philippines, Inc., Silangan Mindanao Exploration Co., Inc., and Philex Gold Holdings, Inc.