Great Western Mining (GWMO) Corporate presentation summary

Portfolio overview

• Advancing a significant copper project with an initial resource and drill-ready porphyry system, plus ongoing exploration for gold and silver across established claims.

• Early-stage tungsten exploration underway at two historic mine sites with proven mineralisation.

• Eight 100% owned claim groups in Nevada's Walker Lane Belt, a top global mining jurisdiction with strong infrastructure and proximity to major end-users.

• Additional claims offer low-cost optionality and high-grade upside, including Eastside Mine, Mineral Jackpot, Tun, M5, and Rock House.

Strategic focus and growth plans

• Expanding copper resources and targeting high-impact porphyry systems to unlock scale.

• Fast-tracking tungsten exploration to align with U.S. strategic supply goals.

• Leveraging joint ventures and farm-outs to fund growth and reduce dilution.

• Monetising precious metals through exploration and reprocessing of historical mine material for near-term cash flow.

Key projects and exploration highlights

• Huntoon Copper Project features three main prospects, including a JORC-compliant skarn resource and emerging porphyry targets.

• West Huntoon shows high-grade silver and gold, with a 5-hole drill campaign underway to expand copper and precious metal zones.

• Olympic Gold Project hosts near-surface epithermal gold veins, including the historic OMCO Mine and multiple target zones for expansion.

• Rhyolite Dome at Olympic is an unexplored epithermal system with drill targets defined and a drilling program set for October 2025.

• Tungsten claims link Pine Crow and Defender workings, with high-grade samples and upcoming trenching, gravity surveys, and drilling.