Macmahon Holdings (ASX:MAH) secured a three-year contract worth AU$792 million to continue to provide open cut mining services at the Byerwen coking coal mine in Queensland, according to a Wednesday filing with the Australian bourse.

The company has the option to extend the contract by an additional two years, taking the value of the contract to AU$1.32 billion, the filing said.

It retained its fiscal 2026 revenue guidance of AU$2.6 billion to AU$2.8 billion and underlying EBIT(A) of AU$180 million to AU$195 million.