NorthIsle Copper and Gold (NCX) Corporate presentation summary

Strategic positioning and project overview

• District-scale copper-gold project with significant growth and re-rating potential, supported by $155 million raised in six months for accelerated development.

• North Island Project spans a 50km historic porphyry district, leveraging existing infrastructure and efficient exploration.

• Project benefits from strong First Nations, government, and community alignment, and inclusion in the BC Critical Minerals Office.

• Scarcity of large-scale independent critical mineral investment opportunities in the Americas.

Project economics and development

• 2025 PEA base case shows $2.0 billion NPV (7%), 29% IRR, and 1.9-year payback at conservative commodity prices.

• Mine life projected at 29 years with annual production of 157 Mlbs CuEq and 307 koz AuEq.

• Low capital intensity and phased development approach support rapid payback and fund expansion.

• Significant leverage to higher commodity prices, with NPV rising to $4.8 billion at current spot prices.

Exploration and resource growth

• Largest ever exploration program underway in 2026, integrating historical data and modern technology.

• Significant increase in indicated resources: 3.1 billion lbs Cu and 6.9 million oz Au, up 60% and 132% respectively from previous estimates.

• High-grade discoveries at Northwest Expo, West Goodspeed, and Red Dog, with ongoing drilling and resource updates.

• District-scale exploration targets a 40km porphyry belt, with new drilling commencing Q3 2026.