Wallbridge Mining Company (WM) investor relations material

Portfolio and resource base

• 2025 MRE across Fenelon and Martiniere: 2.10 Moz Indicated and 2.037 Moz Inferred; Fenelon 1.754 Moz Indicated and 1.649 Moz Inferred, Martiniere 346 Koz and 387 Koz, respectively.

• Projects lie along the Detour-Fenelon Gold Trend in Quebec’s Abitibi; Fenelon and Martiniere resources span open-pit and underground categories.

• Fenelon’s 2025 MRE totals 15.087 Mt Indicated at 3.62 g/t Au and 15.028 Mt Inferred at 3.41 g/t Au.

Fenelon PEA

• 2025 PEA models a 16-year mine life, 3,000 tpd mining and milling, and 107,000 oz average annual production; first five years average 127,000 oz annually.

• At US$2,200/oz gold and a 1.35 CAD:USD exchange rate, after-tax NPV at 5% is C$706M, IRR 21%, and payback 4.0 years.

• Initial capital is C$579M and sustaining capital C$449M; total cash costs are US$851/oz and AISC US$1,046/oz.

• Annual after-tax free cash flow averages C$120M at the PEA base-case gold price; annual production averages 107,000 oz over the mine life.

• PEA is preliminary, includes inferred resources, and has no certainty of realization; economic results are significantly influenced by gold prices.

Exploration and project advancement

• Fenelon PFS work is funded by a C$56M private placement closed May 22, 2026; PFS completion is expected at end-2027 or early 2028.

• 2026 programs planned ~43,000 m across four properties, including Fenelon infill and satellite drilling, Martiniere drilling, Casault and Grasset regional work.

• Martiniere completed 4,050 m of drilling in H1 2026, confirming Dragonfly-Bug Lake continuity and northern expansion potential beyond Horsefly and along the Lac du Doigt fault.

• Martiniere’s 2025 program drilled 17,411 m in 34 holes plus five extensions; footprint expanded to 2 km strike, 800 m width and 800 m depth, with mineralization open along strike, at depth and north.

• Fenelon long-lead studies include expanded metallurgical testing, tailings and paste-backfill characterization, and power and infrastructure alternatives to support PFS planning.