Osisko Metals (OM) Corporate presentation summary

Corporate highlights

• Senior mining team with a strong track record in discovery, development, and shareholder returns.

• Approximately 80% of shares are institutionally or strategically held, with major investors including Agnico Eagle, Hudbay, Franco-Nevada, CDPQ, and Glencore.

• Market capitalization stands at C$1.238B, with C$154.5M in cash (fully diluted).

• Consensus target price is C$2.60 per share.

Gaspé Copper project overview

• One of North America's largest undeveloped copper projects, located in Quebec with existing infrastructure.

• Current in-pit measured and indicated resources: 1.83 Bt @ 0.32% CuEq; inferred: 0.24 Bt @ 0.46% CuEq.

• Project envisions a large-scale, long-life open pit with a low strip ratio of 1.57.

• Metallurgical tests show 89–91% copper recovery and 25% concentrate grade.

• Strategic offtake agreement in place with Glencore for copper concentrates.

Exploration and development progress

• 2026 drill program: minimum 50,000 metres, fully funded, with 7 rigs operating.

• Focus on converting resources to higher confidence categories, expanding resource at depth and southward, and characterizing high-grade skarn zones.

• Notable drill intercepts include 852m @ 0.70% Cu, 2.92 g/t Ag, and 0.062% Mo.

• Historical and recent drilling indicate significant potential for further resource growth, especially at Porphyry Mountain.