Loyalist Exploration Limited, a mineral exploration company, engages in the acquisition, exploration, and development of mineral property interests in Papua New Guinea. The company primarily explores for copper and gold deposits. It has an option to acquire an 85% interest in the Mount Suckling project consisting of two mineral concessions located in Papua New Guinea. The company was formerly known as Golden Birch Resources Inc. and changed its name to PNG Copper Inc. in August 2021. PNG Copper Inc. was incorporated in 2017 and is headquartered in Timmins, Canada.