Western Queen

The Western Queen Gold and Tungsten Project is located 90km northwest of Mt Magnet within Western Australia’s Yalgoo Mineral Field. The project is 100% owned by Rumble Resources and comprises two mining leases M59/45 and M59/208, one miscellaneous licence L59/40 and two exploration licences E20/967 and E59/2816.

Western Queen is strategically located 180km from Gylden’s, Kirkalocka (2.0 Mtpa) plant where Western Queen ore will be treated.

The Western Queen Deposits are typical Yilgarn shear zone gold systems. Steeply dipping to the west, the gold is hosted in sheared silica-sulphide zones within a geology of intercalated amphibolies of mafic to ultramafic composition.

Western Queen sits on a major regional shear system that remains largely untested along strike and at depth, presenting strong exploration upside. Historical production from the Western Queen Central and South pits totals 880,000 tonnes at 7.6 g/t Au for 215,000 ounces, with the Central pit alone producing 660,000 tonnes at 8.9 g/t Au for 189,500 ounces.

Western Queen South underground mine design for 617kt @ 2.95g/t for 58.5koz from the November 2025 scoping study

GOLD

Gold Resources at Western Queen

Mineral Resources reported on a dry in-situ basis

In June 2026, Rumble reported a 17% increase in the gold contained in the Mineral Resource Estimate to 443.6koz and a 54% increase in Indicated Resources to 227.7koz. In addition, a new high-grade zone was discovered at Western Queen Central of 145kt at 11.3g/t containing 52.5koz.

TUNGSTEN

In August 2025 Rumble reported a maiden Tungsten Mineral Resource Estimate at Western Queen of 4.31Mt @ 0.31%WO3 for 13.2kt of WO3.

Tungsten Resources at Western Queen

 

 

 

 

Mineral Resources reported on a dry in-situ basis

ORE TOLL MILLING & BLENDING AGREEMENT

In May 2026 the Company signed an agreement with Glyden Resources to treat Western Queen ore at Glyden’s Kirkalocka plant. The agreement runs for approx. 5 years from the processing of first ore through Kirkalocka.

MINE DEVELOPMENT – SCOPING STUDY

The Westen Queen South Scoping Study (the “Scoping Study” or “the “Study”) completed by independent mining consultant, Baybridge Mining Services, in November 2025.

The Study is based on initially mining only a portion of the Western Queen South Resource from underground and processing the ore at a third-party processing facility.

Key findings from the Western Queen South Scoping Study are as follows:

  • The Study only considers the Western Queen South Resource
  • The Production Target for Western Queen South is 617kt at 2.95g/t for 58.5koz contained gold
  • Robust economics with free cash flow of $133M, an NPV (at 8% discount rate) of $112M and an IRR of 370% at a gold price of A$5,540/oz
  • All in sustaining costs of A$2,970 per oz gold
  • Simple underground mine design utilising uphole stoping due to simple, steep-dipping deposit geometry
  • Very low upfront capital of less than $10M of predevelopment capital
  • Only 29% of the current Mineral Resource at Western Queen South is included in the mining production target of this Study, providing additional opportunities to extend Project life and life of mine (LOM) production

 

MOVING TOWARDS PRODUCTION

The next steps to get Western Queen into production are:

  • Obtain all necessary approvals and permits
  • Secure project financing/make FID
  • Convert more Inferred Resources into Indicated
  • Bring WQ Central into the mine plan
  • Production – aiming for mid 2027

 

EXPLORATION

The results of this program led to the June 2026 Resource Estimate Upgrade from 370koz to 443.6koz, the 54% increase in Indicated Resources to 227koz and the discovery of the 52.5koz high-grade zone at Western Queen Central. Planning for the next drill program is underway.

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