Borealis Mining Company (BOGO) Corporate presentation summary

Corporate overview and structure

• Operates in Nevada, ranked #1 mining jurisdiction in 2025 Fraser Institute Ranking.

• No debt as of January 2026, with USD $21 million cash and a market cap of $143 million CAD as of June 2026.

• Insiders, Rob McEwen, Eric Sprott, institutions, and retail investors hold significant ownership.

• Led by an experienced board and management team with backgrounds at Kinross, Sprott Mining, and Mega Uranium.

Borealis Mine operations and resources

• Fully permitted, producing gold and silver with all infrastructure in place and operational.

• Historical production of ~625,000 oz at 1.77 g/t; current mining at East Ridge, Deep Ore Flats, and Borealis open pits.

• Heap leach pad with ~3.8 Mt capacity, ADR plant capable of 55-60,000 oz/year, and ~70% recovery rate.

• Historical M&I resource of 1.83 Moz Au @ 1.28 g/t and inferred 195k oz @ 0.34 g/t (2011 data, not NI 43-101 current).

• High-grade exploration potential with significant untested areas and notable drill intercepts.

Project pipeline and development

• Sandman project PEA (2026) shows 105% IRR, $203M NPV at $2,600 gold, and 1.1-year payback.

• Sandman resource: 433k oz indicated, 60.8k oz inferred; 35-40k oz/year production profile.

• Sandman leverages Borealis ADR facility for low Capex and rapid development.

• Big Balds project is drill-ready, located at the intersection of Carlin & Bida trends, never before drill tested.