Empyrean Energy Plc engages in the exploration, development, and production of oil and gas resources, with a predominant focus on non-operating working interests in projects across Southeast Asia, Australia, and the United States. Founded in 2005 and headquartered in Subiaco, Australia, with a registered office in London, England, the company holds an 8.5% interest in the Duyung Production Sharing Contract (PSC) offshore Indonesia, encompassing the Mako shallow gas field with certified 2C contingent resources of 376 billion cubic feet; a multi-project farm-in in the Sacramento Basin, onshore California, offering 25-30% working interests in gas prospects such as Dempsey and Alvares; a 10% working interest in the Riverbend oil and gas project in Jasper and Tyler Counties, onshore Texas; a 58.084% working interest in the Eagle Oil Pool Development project in the San Joaquin Basin, onshore Southern California; and interests in other Australasian opportunities. Empyrean targets energy-hungry markets proximate to existing infrastructure, emphasizing drill-ready prospects in stable geopolitical environments. Recent developments include the July 2025 signing of a binding Gas Sales Agreement by operator Conrad Asia Energy with PT PLN Energi Primer Indonesia for all Mako gas sales to the Indonesian domestic market in Batam at Brent-linked pricing, following a Ministry of Energy and Mineral Resources directive and termination of prior export and partial domestic agreements; the March 2025 spudding and subsequent plugging of the Wilson River-1 exploration well in the Cooper Basin, Queensland, Australia, after confirming formation water in the targeted Murta Formation oil zone; multiple equity fundraisings comprising placings and retail offers raising approximately US$5.4 million between November 2024 and July 2025 to support operations and working capital; a capital reorganisation in 2025; the passing of Managing Director and CEO Tom Kelly in 2025; and the assumption of Non-Executive Chairman role by John Laycock in April 2024.