Imperial Metals (III) Corporate presentation summary

Investment highlights and financial performance

• Holds a 30% stake in Red Chris Cu-Au mine, 100% ownership of Mount Polley Cu-Au mine, and Huckleberry Cu-Mo mine on care and maintenance.

• Achieved record revenue of $691.8M and reduced debt by $194.1M in 2025.

• Consolidated cash cost for copper was negative $0.28 per pound in 2025.

• Focused on organic growth with feasibility studies and mine life extension plans.

Red Chris mine developments

• 30% joint venture interest, transitioning from open pit to underground block cave mining.

• 2025 production reached 93.1 million lbs copper and 92.4 koz gold.

• Feasibility study and permitting for block cave mining expected in 2026.

• East Zone block cave resource: 670Mt @ 0.46g/t Au, 0.40% Cu; East Ridge exploration target: 400-500Mt.

• Over 11 km of underground development completed, with major infrastructure upgrades planned.

Mount Polley mine updates

• 100% owned, produced 31 million lbs copper and 38 koz gold in 2025.

• Mine life extension driven by exploration, with Springer Pit Phases 5 and 6 underway.

• Proven and probable reserves: 62.8Mt @ 0.29% Cu, 0.32g/t Au; measured and indicated resources: 188Mt.

• Multiple pit expansions and resource conversion projects ongoing.