Prominence Energy Ltd, together with its subsidiaries, explores for, develops, and produces oil and gas projects in Australia and the United States. It holds a 100% working interest in the Big Apple Gas Prospect located on the Outer Continental Shelf of the Gulf of Mexico in the United States; and a 12.5% interest in exploration permit WA-519-P located on the Northwest Shelf, Australia. Prominence Energy Ltd was incorporated in 1986 and is headquartered in West Leederville, Australia.