MELBANA ENERGY LIMITED

KAROON ENERGY LTDKAR · EnergySouthbank, Australia

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Engaged in the exploration and production of oil and natural gas, Karoon Energy Ltd maintains operations across Australia, Brazil, and Peru. Its key interests comprise a full 100% stake in five offshore blocks situated in Brazil's Santos Basin, off the Sáo Paulo coastline. Additionally, the company holds a 50% share in the Carnarvon Basin located in North Western Australia, alongside a significant footprint in northern Peru's Tumbes Basin, covering approximately 4,875 square kilometers. The enterprise, established in 2003, was formerly known as Karoon Gas Australia Ltd before adopting its current name in December 2018. Southbank, Australia, serves as its corporate headquarters.

MEC RESOURCES LIMITEDMMR · EnergySouth Perth, Australia

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MEC Resources Limited is an Australian company dedicated to the exploration and development of oil and gas, operating through its various subsidiaries. The firm holds complete ownership of two permits in the onshore Bonaparte basin: EP386 in Western Australia and RL1 in the Northern Territory. Additionally, it commands an 85% stake in the PEP11 petroleum exploration permit, located in the offshore Sydney basin. The company was established in 2005 and maintains its principal office in South Perth, Australia.

BEETALOO ENERGY AUSTRALIA LIMITEDBTL · EnergySydney, Australia

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Beetaloo Energy Australia Limited, along with its subsidiaries, is an Australian enterprise focused on the extraction and commercialization of oil and natural gas. The company holds a full 100% working interest across roughly 28 million acres of exploration acreage located onshore within Australia's Northern Territory, specifically encompassing the McArthur Basin and Beetaloo Sub-basin. Founded in 1981, this Sydney-headquartered firm previously operated as Empire Energy Group Limited, adopting its present name in June 2025.

Operating alongside its subsidiaries, Bass Oil Limited focuses on the exploration, development, and production of petroleum and natural gas resources. Its principal holding is a 55% interest in the Tangai-Sukananti KSO production assets, which are situated in South Sumatra, Indonesia. The company, established in 1965 and headquartered in Melbourne, Australia, was previously known as Bass Strait Oil Company Ltd until it officially adopted the name Bass Oil Limited in March 2017.

PANCONTINENTAL ENERGY NLPCL · EnergyWest Perth, Australia

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Headquartered in West Perth, Australia, Pancontinental Energy NL is an oil and gas exploration firm actively pursuing opportunities across Australia, Namibia, and Kenya. The company, which commenced operations in 1985 and adopted its current name in September 2021 (previously Pancontinental Oil & Gas NL), possesses a varied portfolio of assets. These include offshore ventures in Namibia, namely the PEL 37 project in the Walvis Basin and the PEL 87 project in the Orange Basin. Within Australia, Pancontinental holds interests in Queensland's Meeba project and the Cooper Eromanga Basin. Additionally, its international holdings extend to the Amu Basin L6 project located in Kenya.

METGASCO LTDMEL · EnergyWest Perth, Australia

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Metgasco Limited is an Australian firm dedicated to the discovery and cultivation of oil and natural gas deposits. Furthermore, it allocates capital to and constructs energy infrastructure relevant to its operations. The company was founded in 1999 and operates out of its primary office in West Perth, Australia.