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MLG Oz continues strong recent run of success with $20m Rio Tinto contract win

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By Colin Hay - 
MLG Oz ASX RIO Rio Tinto contract win
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Kalgoorlie-based integrated mining services and resource asset management company MLG Oz (ASX: MLG) continues to build on a highly successful 2025 with the signing of a new contract with Rio Tinto (ASX: RIO).

The company’s first supply agreement with Rio covers the provision of off-road bulk ore haulage services, material loading, rock breaking, unloading, stockpile management and road maintenance services.

MLG is expecting revenue of approximately $20 million from the 12-month contract, with the company to perform work in support of ongoing activities at Rio Tinto’s Western Turner Syncline mine in the Pilbara region of Western Australia.

Long-term potential

Managing director Murray Leahy said the contract could potentially lead to a long-term relationship with the mining giant.

“Rio has been actively reviewing MLG’s approach and performance standards to assess our broader capability to deliver services in the Pilbara region,” Mr Leahy said.

“In particular, they have been focused on the efficiencies […] gained through MLG’s hub-and-spoke delivery model.”

Westgold Resources contract

The Rio deal follows the significant contract MGL Oz signed in February 2025 with Westgold Resources (ASX: WGX) for the provision of bulk haulage services and an agreement to supply goods and/or services across its operations in WA’s Goldfields region.

The contract involves MGL Oz providing bulk ore haulage services to transfer run-of-mine (ROM) ore from Westgold’s various mines to its Higginsville and/or Lakewood processing facilities.

It has an initial three-year term with the potential to exceed $25m in revenue per annum and also cedes MGL Oz the responsibility for managing and maintaining the ore stockpiles on the ROM pads at Westgold’s mines, in adfdition to ongoing haul road upkeep.

This latest deal caps a strong period of contract growth for MLG that has also included agreements with Northern Star Resources (ASX: NST), Evolution Mining (ASX: EVN) and unlisted Norton Gold Fields.