Mitsui E&P Australia Holdings Pty Ltd explores for, develops, and produces hydrocarbons primarily in Australia. The company offers gas, condensate, and LPG products. Its producing assets include the BassGas project situated in offshore Bass Strait, Tasmania; the Casino gas project located in the offshore Otway Basin, Victoria; the onshore Perth Basin project in Western Australia; and the Waitsia Gas Project Stage 1A situated in Perth Basin, Western Australia. The company also has interests in various exploration, appraisal, and development projects in the Waitsia Gas Project Stage 2 in Perth Basin, Western Australia; and the Ande Ande Lumut Oil Project in Northwest Natuna Sea, Indonesia. Mitsui E&P Australia Holdings Pty Ltd was formerly known AWE Pty Ltd and changed its name to Mitsui E&P Australia Holdings Pty Ltd in April 2022. The company was incorporated in 1997 and is based in Perth, Australia. As of May 2, 2018, Mitsui E&P Australia Holdings Pty Ltd operates as a subsidiary of Mitsui & Co., Ltd.