Sirios Resources, Inc. · TSXV:SOI
Sirios Resources — PDAC 2026
15 slides from Sirios Resources's conference presentation, February 2026
Slide 1: Sirios Resources Corporate Presentation
February, 2026 Sirios Resources The Leading Gold Developer in Eeyou-Istchee James Bay with district-scale growth potential CORPORATE PRESENTATION SOI SIREF February 2026 │ TSX-V │ OTCQB
Slide 2: Forward-Looking Statements
FORWARD-LOOKING STATEMENTS This presentation contains "forward-looking information" within the meaning of applicable Canadian securities legislation. All statements, other than statements of historical fact, are forward-looking statements and are based on expectations, estimates and projections as a
Slide 3: Strengthened Leadership Revitalizing Sirios
STRENGTHENED LEADERSHIP REVITALIZING SIRIOS Addition of proven track records in capital markets and mine project development Executive Chairman & Head of Exploration Board Member Dominique Doucet Colinda Parent Veteran of Québec’s mineral exploration sector with 40+ Mining-focused investment banking
Slide 4: Leading Gold Project Pipeline in James Bay
LEADING GOLD PROJECT PIPELINE IN JAMES BAY Optionality in high quality projects from early-stage to resources Projects are all strategically located on greenstone belts along the contact between the two main geological subprovinces. Flagship • Cheechoo Advanced exploration • Corvet Est • PLEX Early-
Slide 5: The Cheechoo Gold Project
THE CHEECHOO GOLD PROJECT Near-surface gold deposit with scalable open-pit potential and ÉLÉONORE underground extensions with strong continuity MINE Fully owned (100%) by Sirios Excellent potential for resource expansion Highly favourable characteristics for mining VERY FAVOURABLE LOCATION QUÉBEC IN
Slide 6: The Cheechoo Gold Project
THE CHEECHOO GOLD PROJECT Cheechoo 2025 MRE Conceptual Pit Shell, Underground Solids and Block Model (2025 MRE) TOTAL GOLD RESOURCE 1.3 million ounces at 1.12 g/t Au (Indicated) 1.7 million ounces at 1.23 g/t Au (Inferred) Au (g/t) >0.30 including 446,000 ounces in underground resources at 3.09 g/t
Slide 7: Strong Grade with a Low Strip Profile
STRONG GRADE WITH A LOW STRIP PROFILE Cheechoo sits in the optimal zone with strong grade and a low strip ratio Cheechoo Open-Pit Only Resources Compared to Recent Open-Pit Mine Plan Cheechoo 1 (Resource 7/2025) 2.0 Koné 2 1.8 (FS-2024) High grade and low Troilus 9 3 1.6 strip ratio (FS-2024) 7 Magi
Slide 8: The Cheechoo Gold Project – Exploration Target
THE CHEECHOO GOLD PROJECT – EXPLORATION TARGET Modelled Exploration target highlights significant scale growth beyond the current 2025 resource The 2025 MRE outlined a significant Exploration Target of 31 to 40 million tonnes with gold grades ranging from 1.27 to 1.45 g/t Au. The gold-mineralized zo
Slide 9: The Cheechoo Gold Project – Exploration Target
THE CHEECHOO GOLD PROJECT – EXPLORATION TARGET Untapped potential beyond the main lithology The 2025 MRE integrates resources beyond the tonalite intrusion, into the metasediment formation The gold-mineralized zones extend beyond the tonalite intrusion Mineralized Zones 2025MRE: Conceptual Pit Shell
Slide 10: The Cheechoo Gold Project – Exploration Target
THE CHEECHOO GOLD PROJECT – EXPLORATION TARGET Exploration target highlights significant scale growth beyond the current 2025 resource Additional target around multiple high-grade intercepts at Eclipse Zone Eclipse Zone Eclipse Zone Mineralized Zones 2025MRE: Conceptual Pit Shell + UG Solids SOI (1)
Slide 11: Cheechoo's Open-Pit Potential
CHEECHOO’S OPEN-PIT POTENTIAL Cheechoo demonstrates hallmarks consistent with large, open-pit mines Cheechoo Blackwater (EP2) Greenstone Location # Québec British Columbia Ontario Operator # Sirios Resources (TSXV:SOI) Artemis Gold (TSXV:ARTG) Equinox Gold (TSX:EQX) Stage # Resource Production Produ
Slide 12: Valuation Benchmark
VALUATION BENCHMARK EV per ounce positioned at the low end of Canadian advanced gold project peers Ev/oz (US$/oz AuEq) $159 $130 Acquired C$375M Deal Value $109 $90 Acquired C$65M $71 Average, $62 Deal Value $55 $50 $43 $45 $46 $33 $34 $25 $27 $11 STLR SOI ECR FKM FURY MGM BYN FF NEXG MFG TLG SUP TA
Slide 13: Capitalization Structure
CAPITALIZATION STRUCTURE (undiluted basis) TSX-V: SOI Sirios Resources OTCQB: SIREF 7.9% Market Capitalization ~C$104M 11.4% QC Institutional Funds Shares Outstanding 533.2M Osisko Group (EEM & ODV) 5.3% Warrants 66.0M Management & Insiders Options 17.6M 75.4% Retail Fully Diluted 616.7M Equity Inve
Slide 14: Next Steps
NEXT STEPS Advance Cheechoo toward a PEA while initiating exploration programs at Corvet Est and PLEX Drilling campaign at Cheechoo Modelled Targets Metasediment Eclipse Regional Update the Cheechoo resource Review drilling plan at Corvet Est Complete compilation and prioritization at PLEX Advance A
Slide 15: The Gold Leader in Eeyou Istchee James Bay
THE GOLD LEADER IN EEYOU ISTCHEE JAMES BAY Sirios Resources Inc. Jean-Félix Lepage Dominique Doucet President & CEO Executive Chairman & Head of Exploration jflepage@sirios.com ddoucet@sirios.com www.sirios.com SOI │ TSX-V │ 15