Rex Minerals Limited Rex Minerals Limited (ASX:RXM) is an Australian-based minerals exploration and development company focused on copper-gold and gold projects. The company advances its 100% owned flagship Hillside Copper-Gold Project, an iron oxide copper-gold (IOCG) deposit on the Yorke Peninsula in South Australia featuring an open-pit mine, processing plant and infrastructure to produce copper and gold concentrates over a 13-year mine life; it also holds the Hog Ranch gold property in Washoe County, Nevada, USA, offering camp-scale low-grade surface gold opportunities via heap leaching alongside high-grade underground epithermal deposits and recent lithium potential. Operations span South Australia and Nevada with headquarters in Ardrossan, South Australia, founded in 2007 and listed on the ASX in September 2007. In July 2024, Rex entered a A$393 million Scheme Implementation Deed with MACH Metals Australia Pty Ltd, a Salim Group subsidiary, leading to MACH's acquisition of all shares at A$0.47 each following FIRB and shareholder approvals; the transaction completed October 30, 2024, delisting Rex from the ASX on October 31, 2024, with Rex now operating as a MACH subsidiary focused on Hillside advancement including an August 2024 road construction contract with McMahon Services Australia and October 2024 Australian Industry Participation Plan via Industry Capability Network.