Prominence Energy Ltd, together with its subsidiaries, explores for, develops, and produces oil and gas projects in Australia, the United States of America, and Kazakhstan. 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 of America; and a 12.5% interest in exploration permit WA-519-P located on the Northwest Shelf, Australia. The company was formerly known as Sun Resources NL and changed its name to Prominence Energy NL in December 2019. Prominence Energy Ltd was incorporated in 1986 and is headquartered in West Leederville, Australia.