Philex Mining Corporation Announces the Resignation of Atty. Jonas Emanuel S. Santos as Vice-President General Counsel and Data Protection Officer. Effective May 15, 2022

Philex Mining Corporation is a Philippines-based gold and copper producer in Southeast Asia. The Company's two main businesses include mining, and energy and hydrocarbon. The Company is engaged in exploration, development and utilization of mineral resources in the Philippines. Its business includes Padcal mine, Silangan Copper and Gold Project, Bulawan project and Sibutad Project. The Company 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 two deposits - Boyongan and Bayugo. Its Bulawan project has residual resource estimates of around 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.