AMPLITUDE ENERGY LIMITED

Operating within Australia's upstream oil and gas industry, Emperor Energy Limited and its associated companies are actively involved in exploration, development, and production. The firm's key holdings include complete ownership (a 100% interest) of the Vic/P47 exploration permit, an offshore concession spanning 200 square kilometers within the Gippsland Basin, Bass Strait. Furthermore, it possesses a full interest in the Canning Basin. Founded in 1982, the entity previously traded as Oil Basins Limited, rebranding to Emperor Energy Limited in November 2017. Its corporate headquarters are located in Sydney, 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.

OTTO ENERGY LIMITEDOEL · EnergyAdelaide, Australia

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Otto Energy Limited is an oil and gas exploration and production enterprise operating across North America via its various subsidiaries. A key asset for the company is its 50% ownership stake in the South Marsh Island 71 project. The firm's portfolio further encompasses a 37.5% working interest in the Lightning prospect, located in Matagorda County, Texas, along with a 16.7% working interest in the Green Canyon 21 lease in the Gulf of Mexico. Founded in 2004, the company was initially named Ottoman Energy Limited before adopting its current identity, Otto Energy Limited, in August 2006. Its corporate headquarters are situated in Adelaide, Australia.

Empire Energy Group Limited, alongside its subsidiaries, is active in the exploration, extraction, and marketing of oil and natural gas within the United States and Australia. The company manages its operations through distinct U.S. Operations and Northern Territory segments. A significant asset includes a 100% ownership stake in roughly 28.9 million acres of promising oil and gas exploration land located in the McArthur Basin and Beetaloo Sub-basin of Australia's Northern Territory. In the U.S., its oil and gas output is mainly sold to domestic pipeline companies, utility providers, and refineries situated in Pennsylvania and New York. Founded in 1981 and headquartered in Sydney, Australia, the company was previously known as Imperial Corporation Limited before rebranding to Empire Energy Group Limited in March 2011.

BROOKSIDE ENERGY LIMITEDBRK · EnergyWest Perth, Australia

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Brookside Energy Limited, alongside its subsidiaries, is primarily engaged in the discovery, extraction, and evaluation of petroleum and natural gas ventures. The company's focus for developing these assets is the Anadarko Basin in Oklahoma, United States. Furthermore, it actively pursues opportunities by leasing and developing land. As of December 31, 2021, its portfolio included 3,275 working interest leasehold acres located in west-central Oklahoma. Established in 2004, the firm was initially known as Red Fork Energy Limited before officially changing its name to Brookside Energy Limited in June 2015. The company's corporate headquarters are situated in Subiaco, Australia.

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.