Selkirk Copper Mines Inc. · TSXV:SCMI
Selkirk Copper Mines — Investor Presentation (August 2026)
36 slides from Selkirk Copper Mines's investor presentation, August 2026
Slide 1: Yukon’s Next Producing Copper Mine
Yukon’s Next Producing Copper Mine Writing a New Chapter, Building for the Future Selkirk Copper Mines Inc. TSX-V:SCMI | OTCQB:SKRKF | FRA:IO20 selkirkcopper.com August 2026
Slide 2: Cautionary Notes and Technical Disclosure
Cautionary Notes and Technical Disclosure Disclaimer Recipients of this Presentation who are considering acquiring securities of Company or a related entity are reminded that any such purchase or subscription must not be made solely on the basis of the information contained in this Presentation but
Slide 3: Near-Term Copper-(Gold-Silver) Production in Canada
Near-Term Copper-(Gold-Silver) Production in Canada Compelling • Leveraging existing infrastructure and focus on only amending permits creates a rare opportunity to become a near-term Opportunity at single asset copper producer in Canada Attractive Valuation • Current market cap of <C$300M is signif
Slide 4: Corporate Overview
Corporate Overview TSXV:SCMI | OTCQB:SKRKF | FRA:IO20 Capital Structure & Market Valuation Board & Selkirk First Nation Investment CEO Mgmt • Selkirk First Nation acquired 100% ownership of the Minto Shares Outstanding 157,172,385 6.4% 4.0% Project (all infrastructure and claims covering 26,850 hect
Slide 5: Metal Price Changes
Metal Price Changes January 2023 to August 2026 00% 0% January 1, 2023 Copper Increased 67% August 13, 2026 Copper US$3.75/lb Copper US$6.61/lb Gold Increased 123% 00% Gold US$1,846/oz Gold US$4,387/oz Silver US$24.23/oz Silver Increased 148% Silver US$64.99/oz 2 0% Diesel C$1.347/litre Diesel Incre
Slide 6: Selkirk Copper Project Overview
Selkirk Copper Project Overview Located in the Minto-Carmacks Belt, Yukon – a Well-established Mining District Project Details Ownership 100% Selkirk Copper Mines Inc. (TSX-V:SCMI | OTCQB:SKRKF | FRA:IO20) Largest Shareholder Selkirk First Nation (18%) Location Central Yukon (250km North of Whitehor
Slide 7: Benchmarking SCMI to Relative North American Copper Developers
Benchmarking SCMI to Relative North American Copper Developers Anticipated First1 2028 2030 2030 - 2026 Production $4,000 0.8 Market Cap (C$M) $3,238 $3,000 0.6 $2,000 0.4 $1,475 $755 $910 0.2 $1,000 $281 0 $0 Selkirk Copper Western Copper Trilogy Metals Firefly Metals Foran Mining Asset Name Minto
Slide 8: Large Mineralized System Remains Significantly Underexplored
Large Mineralized System Remains Significantly Underexplored Only 3 km of the 7 km mineralized trend in the licensed mine area has been explored • Opportunity to grow the mineral resource along strike to the North and at depth within the current mine footprint • Multiple targets along the 7 km trend
Slide 9: Significant Existing Capital and Infrastructure
Significant Existing Capital and Infrastructure Significant Underground Workings Open Pit Mineral Resources Large Drilling Database 4,100 tpd Mill 400 Person Camp Water Treatment Plant 9
Slide 10: What’s Different This Time
at’s ifferent T is Time Boots on the Ground – This asset has been underattended to and undermanaged for ~10 years; our team is committed to changing that starting now Social License – Selkirk Copper’s advancement of the Minto Mine towards a restart decision will be in partnership with Selkirk First
Slide 11: Minto Exploration, Drilling, Development and Operations Timelines
Minto Copper-Gold-Silver Exploration, Drilling, Development and Operations Timelines 500,000 m Minto Copper-Gold-Silver No Exploration > 25,000m Exploration, Drilling, Development and Operations Timeline Drilling 400,000 m Discovery of 2013 to 2019 First First Production > 10,000m 200 High-Grade Geo
Slide 12: Historical Mine Production
Historical Mine Production OP Ore Mined (LHS) UG Ore Mined (LHS) Mill Feed (LHS) Overall Cu Recovery (%) (RHS) 2,000 100 1,600 80 Design Capacity — 4,100 tpd Tonnage (000 t) 1,200 60 800 40 400 20 0 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 Sherwood Copper
Slide 13: Restart Planning
Restart Planning
Slide 14: Multi-Step Plan to Inform a Restart Decision
Multi-Step Plan to Inform a Restart Decision Target Timeline 2025 2026 2027 2028 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Due Diligence, $4.5M Initial TSX-V OTC PEA Restart Feasibility Mill First Partnering, and Financing Listing Listing Completion Indication Completion Commissioning Producti
Slide 15: Preliminary Economic Assessment & Restart Objectives
Preliminary Economic Assessment & Restart Objectives • 12-15 year mine life – Sufficient to attract low-cost restart financing • 4,100 tpd (1.5 Mtpa) mine and mill throughput – Consistent throughput at steady grades, with an ore blending strategy to ensure mining stays ahead of milling • ~30,000 tpa
Slide 16: Recent Developments and Near-Term Catalysts
Recent Developments and Near-Term Catalysts ✓ Completed C$4.5M and C$40M equity raise at ~C$30M EV in 2025, resulting in 100% ownership of the mine and infrastructure. Raised an additional C$35M in April 2026 ✓ Resumed trading on TSX Venture (TSX-V:SCMI) on Nov 4, 2025 also trading on the OTCQB Mark
Slide 17: Selkirk Copper Team
Selkirk Copper Team Board of Directors Colin Joudrie Alex Morrison Greg Fekete Rob McLeod Stephen Mills Ryan Weymark CEO, Director Independent Director SFN Nominated Director Director SFN Nominated Director Director Executive Josh Kierce Matthew Pickard Scott Fulton Kevin McGinty Stacie Jones Justin
Slide 18: Exploration Update
Exploration Update 18
Slide 19: 2026 MRE Significantly Increased Tonnages
2026 MRE Significantly Increased Tonnages 19
Slide 20: 2026 MRE Lenses
2026 MRE Lenses Lg SELKIRK COPPER 2026 MRE: Significant Discoveries and Expansions Indicated: 2.8 Mt @ 1.39% Cu, 0.75 g/t Au, 6.6 g/t Ag Inferred: 0.2 Mt @ 1.14% Cu, 0.60 g/t Au, 5.4 g/t Ag 238 % Expansion of Indicated Copper in this Lens Expansion & Discovery: 117 Lens, Minto Main Measured: 0.1 Mt
Slide 21: Growth in Known Lenses and New Discoveries
Growth in Known Lenses and New Discoveries 21
Slide 22: District-Wide Exploration
District-Wide Exploration • Selkirk Copper acquired an updated, high-quality LiDAR dataset in Q4 2025 covering ~2,000km2 of the prospective Minto-Carmacks Copper Belt • Selkirk Copper holds ~26,850 ha of mineral tenure in the Minto-Carmacks Copper Belt centered on the existing Minto copper-gold-silv
Slide 23: Conceptual Exploration Model is Evolving
Conceptual Exploration Model is Evolving 23
Slide 24: Geological Observations
Geological Observations Increasing Deformation Intensity, Increasing Magnetite Increasing Chalcopyrite Abundance Increasing Bornite Abundance Unfoliated Incipient Weak Foliation Moderate Strong Foliation Migmatite Net-Textured Semi-Massive May contain Foliation Biotite connectivity Foliation Segrega
Slide 25: Minto Mineralization Zones
Minto Mineralization Zones Within the Mine Site Footprint 26
Slide 26: Minto North West Zone
Minto North West Zone Core Detail 25SCM001 25SCM002 0.30-1.0% Cu 1.01-3.0% Cu 3.01-10.0% Cu >10.01% Cu 27
Slide 27: Block Model Detail – Minto North
Block Model Detail – Minto North 28
Slide 28: Block Model Detail – Minto North
Block Model Detail – Minto North 29
Slide 29: New Discoveries Near Mining Infrastructure
New Discoveries Near Mining Infrastructure Excellent Results from Phase 1 Drillholes 4.67% Cu, 23.1 g/t Au, 26.4 g/t Ag (22.1% CuEq) from 283-284 m in Hole 157 30
Slide 30: Minto Property Exploration
Minto Property Exploration 2D inversion DCIP • Magnetic data appears effective at mapping structure • Discrete high magnetic responses coincide with shallow zones of high- grade mineralization; however shallow Minto North oxide development is magnetite destructive. Minto East Copper Keel • Chargeabi
Slide 31: Geoscience Advancements
Geoscience Advancements • Re-establish structural model incorporating historical work plus new drilling and oriented core measurements. Important framework for resource estimation and geotechnical designs. • Developing targeting model based upon sulphide zonation (bn > cpy > py), foliation developme
Slide 32: Trade-Off Study and Preliminary Economic Assessment (PEA) Update
Trade-Off Study and Preliminary Economic Assessment (PEA) Update 33
Slide 33: Engineering Update
Engineering Update Trade-Off Study and PEA Hatch and SRK Teams underway: Site Visit October 16-19, 2025 Trade-Off Study and Preliminary Economic Assessment (PEA) Design Basis/Objectives: • 1) define a 12-15 year mine- life; 2) 4,100tpd continuous ore production; 3) tailings & waste rock disposal wit
Slide 34: Permitting Update
Permitting Update 35
Slide 35: Advancing Our Regulatory Efforts
Advancing Our Regulatory Efforts Water, Waste, and Tailings Resourcing the Opportunity • Continuing to discuss how to address the • Hired Director, Permitting physical and permitting requirements to • Request for Qualifications and Proposals remove the water stored underground by the issued to vario
Slide 36: colin.joudrie@selkirkcopper.com justin.stevens@selkirkcopper.com
colin.joudrie@selkirkcopper.com 604-760-3157 justin.stevens@selkirkcopper.com 604-240-2959
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