Sydney,

Thiess Group awarded critical minerals contracts for Hillgrove Antimony-Gold Projects

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Thiess Group has secured contracts with Larvotto Resources at the Hillgrove Antimony-Gold Project in New South Wales, Australia.

The contracts include:

  • 20km of underground development over four years, providing a full-service mine development solution. The scope of work includes decline and lateral development, rehabilitation, ground support installation and haulage activities across the Hillgrove mine areas of Metz, Garibaldi and Clarks Gully underground zones; and
  • An engineering, procurement and construction management (EPCM) contract, which covers design, engineering, refurbishment and upgrades to the mine’s processing plant.

Thiess Group Executive Chair and CEO Michael Wright said: “These contracts are a demonstration of the expanding services the Thiess Group offers to clients in critical minerals, essential for the transition to clean energy. These works will help position Hillgrove as a reliable supplier of gold and antimony.”

These agreements position Larvotto Resources to deliver on its development schedule and bring Hillgrove into production as Australia’s next major antimony supplier in 2026.

Located near Armidale in NSW, the Hillgrove mine was a pioneer in early metals mining and is now preparing to restart, with redevelopment focused on efficient and sustainable production for the long term. The mine has potential to supply about 7% of global antimony demand, alongside its gold production.