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Borealis Mining Company Limited

WATCH

TSXV · Gold · Scored Apr 15, 2026

Composite Score 17/25
Management Skin-in-the-Game
4/5
Borealis Mining has assembled a high-calibre management team with strong operational and capital markets credentials. CEO Kelly Malcolm is a Professional Geologist with a track record from Amex Exploration Inc., where he led discovery drilling that helped raise over $90M and earned the company Exploration Company of the Year at Mines & Money 2022. Non-Executive Chairman Robert Buchan founded Kinross Gold — which grew into the third-largest primary gold producer in North America — and later co-founded Katanga Copper. Board member Christina McCarthy brings five years of Director-level experience at McEwen Mining.

Insider alignment is substantiated by real dollars. As at early 2025, insiders collectively owned approximately 38% of shares outstanding worth roughly C$16M at then-current prices. Insiders purchased C$5.0M worth of shares in a single quarter with zero recorded sales. Key anchor shareholders are Rob McEwen (~14% stake) and Eric Sprott (~8.2% non-diluted as of September 2025). These are names that do serious diligence before committing seven-figure capital.

One deduction from a perfect 5: CEO Malcolm, while a proven exploration geologist, is managing his first mine restart as a CEO. The operational complexity of simultaneously ramping the Borealis Mine, advancing Sandman engineering and permitting, and managing a dual-asset story is significant execution risk. Robert Buchan's chairmanship provides experienced oversight but does not fully mitigate this.
Project Geology Quality
3/5
Borealis Mining operates two Nevada gold assets at different stages. The Borealis Mine (Hawthorne, NV; Walker Lane trend) has historically produced over 600,000 oz of gold via conventional heap leaching and has a 21-square-mile land package. However, the current NI 43-101 resource at the Borealis Mine is historical (2011, Gryphon Gold Corporation pre-feasibility vintage) — approximately 95,600 oz Au + 476,500 oz Ag M&I at 0.87 g/t Au — and a Qualified Person has not issued a current compliant resource estimate. Active high-grade drill results at Cerro Duro (4.48 g/t Au over 30.5m including 15.16 g/t Au over 6.1m in oxides) demonstrate strong exploration upside, but no compliant resource exists for the mine site.

The Sandman Gold Project (Humboldt County, NV) provides the NI 43-101 backbone. The 2021 compliant resource totals 21.8Mt at 0.70 g/t Au for 494,000 oz: Indicated 18.6Mt at 0.73 g/t for 433,000 oz + Inferred 3.2Mt at 0.58 g/t for 61,000 oz. No Measured resources exist. The February 2026 updated PEA (effective January 5, 2026, NI 43-101 compliant) models 340,000 oz LOM production over ~9 years at ~38,000 oz/yr from conventional open-pit heap leaching with a 2.2:1 strip ratio. The PEA study level carries PEA-stage caveats — it incorporates Inferred resources and no Mineral Reserves have been declared.

Score of 3: a PEA-stage primary asset (Sandman) built on Indicated + Inferred ounces, plus a producing but resource-uncertified secondary asset (Borealis Mine). A compliant Borealis Mine resource and Sandman PFS would be required to score 4.
Capital Structure Health
3/5
Following the C$23M January 2026 bought deal (15,341,000 shares at C$1.50, full exercise of underwriters' option), Borealis held US$21.13M cash as at January 31, 2026 — a substantial improvement from US$3.18M at July 31, 2025. Working capital was approximately US$26.7M. This liquidity is meaningful relative to the ~US$36M Sandman initial capex requirement, particularly with Borealis Mine production revenues now flowing ($1.42M in Q2 FY2026).

Share count growth has been rapid: from ~83M basic shares (July 2024) to ~115M (July 2025) to ~147.5M post-January 2026 bought deal — a ~77% increase in under two years. Fully diluted count is approximately 153–155M, adding ~913K compensation warrants at C$1.50, ~4.5M Gold Bull warrants at C$0.30 (March 2027 expiry — deep in-the-money, near-certain exercise providing cash), and ~1.3M option replacements. Warrant overhang is manageable and the in-the-money warrants represent incremental treasury, not dilutive risk. No excessive debt is apparent. Score of 3: adequate liquidity and disciplined capital raises, but rapid share count growth (~77% in two years) prevents a higher score.
Catalyst Proximity
4/5
The catalyst pipeline is unusually dense for a junior of this size. At the Borealis Mine, the first production blast was completed January 28, 2026 (East Ridge open pit); as of March 30, 2026 the company has moved ~602,000 tons of material and crushed ~45,000 tons with a fully staffed ~30-person on-site team. Gold pours from the historical stockpile heap leach are running through mid-2026. Fresh-ore mining from the East Ridge pit is underway now.

At Sandman, the April 13, 2026 announcement initiated detailed engineering, permitting, and technical programs — the formal transition from study to execution phase. The existing ADR processing facility at Borealis Mine is flagged as a potential carbon processing hub for Sandman, which reduces the capital hurdle. Drill-result catalysts at Borealis Mine (Cerro Duro high-grade oxide, Graben deposit) could yield a new compliant NI 43-101 resource. Score of 4: a construction/production decision at Sandman and a new compliant Borealis Mine resource — both probable within 12–18 months — were not yet announced, preventing a score of 5.
Comparable Acquisition Value
3/5
The Sandman PEA (February 2026, NI 43-101, PEA study level) generates a post-tax NPV(6%) of US$203M at US$2,600/oz gold and US$696M at US$4,550/oz. With gold at approximately US$4,830/oz on April 15, 2026, the spot-price Sandman NPV is conservatively estimated at approximately US$730M. Dividing by ~155M fully diluted shares yields an unadjusted NAV per share of approximately US$4.71 (CAD$6.50 at 1.38 FX rate).

Applying a 50% discount for PEA-stage risk (no Mineral Reserves established, no PFS, partial Inferred reliance, Nevada permitting and construction financing not yet secured) yields a risk-adjusted NAV per share of approximately US$2.35 (CAD$3.25). At the current stock price of CAD$1.35, the implied P/NAV on this risked basis is approximately 0.42x — a meaningful discount. The Borealis Mine producing asset adds strategic value not captured in the Sandman-only NAV. Score of 3: the 0.42x P/NAV is compelling, but no Mineral Reserves have been declared and the project is at PEA stage only — full-cycle value realisation depends on a successful PFS and construction decision that is at minimum 2–3 years away.
Analyst Summary

Borealis Mining (BOGO) scores 17 — a high-end WATCH, one reclassification catalyst away from a BUY. The company combines an active, cash-generating Nevada gold mine (Borealis Mine, now in open-pit restart since January 2026) with a development-stage Sandman asset whose PEA economics are highly leveraged to the current gold price environment (spot ~US$4,830/oz versus the US$2,600 PEA base case). Composite score: 17/25.

The geology story is bifurcated: Sandman's 2021 NI 43-101 resource (494,000 oz total; 433,000 oz Indicated at 0.73 g/t + 61,000 oz Inferred at 0.58 g/t) underpins a February 2026 PEA with a post-tax NPV(6%) that extrapolates to approximately US$730M at today's spot price. Sandman is at PEA study level only with no Mineral Reserves declared; the Borealis Mine is producing but lacks a current NI 43-101 compliant resource estimate. Applying a 50% PEA-stage discount yields a risk-adjusted NAV per share of approximately CAD$3.25 — the stock at CAD$1.35 implies a P/NAV of ~0.42x, a meaningful discount.

The insider base (Rob McEwen at 14%, insiders collectively at 38%, Eric Sprott at 8%+) is one of the stronger alignment profiles on the TSXV. The principal upgrade triggers: (1) release of a current NI 43-101 compliant resource at the Borealis Mine itself; (2) a Sandman PFS announcement converting Inferred ounces to Reserves; and (3) continued execution at the Borealis Mine restart. Watch for the Cerro Duro drill results and any Sandman permitting updates as near-term catalysts.

Valuation
NAV / Share C$3.2500
Price at Scoring C$1.4400
P/NAV Multiple 0.44x

Reference: explorers 0.1–0.3x · acquisition range 0.5–1.0x

Company
Exchange / Ticker
TSXV:BOGO
Jurisdiction
Nevada, USA
Primary Commodity
Gold
Website
https://borealismining.com

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