Gimlet Gold Project

The Gimlet Gold Project is strategically positioned near Kalgoorlie in Western Australia, within a well-established gold mining region with access to infrastructure and multiple toll treatment options.

The Project hosts a JORC Mineral Resource of 1.58Mt @ 2.22 g/t Au for 112,900 ounces, with 62% classified as Indicated, marking a significant step toward potential development.

First Au rapidly advanced Gimlet following its discovery, highlighted by exceptional early drilling including 4m @ 393 g/t Au (from 52m), confirming the presence of a high-grade gold system.

Kalgoorlie, Western Australia

Gimlet Gold Project

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15 km NW of Kalgoorlie, Western Australia

The Gimlet Project comprises two granted tenements:

  • Exploration Licence E26/174 (4.37km²)
  • Mining Lease M26/849 (5.21km²)

Both are 100% owned and operated by First Au, covering a prospective landholding within the Eastern Goldfields of the Yilgarn Craton.

Mineral Resource & Development Potential

The Gimlet Deposit hosts a JORC Mineral Resource of 1.58Mt @ 2.22 g/t Au for 112,900 ounces (0.5 g/t cut-off).

Importantly, 62% of the resource has been upgraded to the Indicated category (1.0Mt @ 2.12 g/t Au for 70,400 ounces), representing a substantial increase in geological confidence from the previous 100% Inferred resource.

The deposit is hosted within metamorphosed volcanic and sedimentary rocks of the Black Flag Group and comprises both near-surface and fresh rock mineralisation, supporting open pit development potential.

With a majority Indicated resource now defined and located within trucking distance of multiple operating gold mills, the Project is well positioned for potential low-capex development.

First Au is progressing technical studies, including metallurgical, mining, geotechnical and environmental workstreams, while evaluating third-party processing options in the Kalgoorlie region, with the objective of defining a commercially viable development pathway.

(Refer ASX Announcement: 16 April 2026)

Project Advantages

  • Located just 15km from Kalgoorlie, a Tier-1 gold mining centre
  • Within trucking distance of multiple operating gold mills, supporting potential low-capex development pathways
  • Close to established deposits including Horizon Minerals’ Teal, Jacques Find and Peyes
  • Situated in a region with established infrastructure, workforce and mining services

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