Sirios Resources, Inc. · TSXV:SOI

Sirios Resources — Investor Presentation (April 2026)

16 slides from Sirios Resources's investor presentation, April 2026

  1. Slide 1: Sirios Resources Corporate Presentation

    April 2026 Sirios Resources The leading gold developer in Eeyou-Istchee James Bay with district-scale growth potential CORPORATE PRESENTATION SOI SIREF APRIL 2026 │ TSX-V │ OTCQB

  2. 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

  3. Slide 3: Updated Leadership Strengthening Sirios

    UPDATED LEADERSHIP STRENGTHENING 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 spe

  4. Slide 4: Leading Gold Project Pipeline in James Bay

    LEADING GOLD PROJECT PIPELINE IN JAMES BAY Optionality in high quality projects from early-stage early early- to resources Projects are all strategically located on greenstone belts along the contact between the two main geological sub-provinces. Flagship • Cheechoo Advanced exploration • Corvet Est

  5. 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

  6. Slide 6: The Cheechoo Gold Project – 2025 MRE

    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

  7. Slide 7: Strong Grade with a Low Strip Profile

    STRONG GRADE WITH A LOW STRIP PROFILE Cheechoo sits in the favourable 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 M

  8. 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

  9. Slide 9: The Cheechoo Gold Project – Exploration Target

    THE CHEECHOO GOLD PROJECT – EXPLORATION TARGET Untapped Potential beyond the main lithology The 2025 MRE integrate resources beyond the tonalite intrusion, into the metasediment formation The gold-mineralized zones extend beyond the tonalite intrusion Mineralized Zones 2025MRE: Conceptual Pit Shell

  10. 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)

  11. 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

  12. Slide 12: Valuation Benchmark

    VALUATION BENCHMARK EV per ounce positioned at the low end of Canadian gold open pit peers $152 Ev/oz (US$/oz AuEq) Acquired C$375M Deal Value $103 $90 $87 Acquired C$65M Deal Value Average, $49 $38 $40 $34 $36 $37 $32 $33 $22 $22 $24 $10 STLR SOI ECR FURY MGM FKM FF NEXG TLG BYN MFG RDS SUP TAU FMT

  13. Slide 13: Capitalization Structure

    CAPITALIZATION STRUCTURE (undiluted basis) Sirios Resources TSX-V: SOI As of March 24, 2026 (C$0.18) OTCQB: SIREF Market Capitalization ~C$116M 23% Institutional Basic Shares Outstanding1 644.8M Osisko Group (EEM & ODV) Warrants 120.9M 8% Management & Insiders 65% 4% Options 17.3M Retail Fully Dilut

  14. Slide 14: Next Steps

    NEXT STEPS Advance Cheechoo towards PEA while initiating exploration programs at Corvet Est and PLEX Drilling campaign at Cheechoo Modelled Targets Metasediment Eclipse Regional Update Cheechoo resource Review drilling plan at Corvet Est Complete compilation and prioritization at PLEX Advance Aquilo

  15. Slide 15: Next Steps – Beyond Cheechoo PEA

    NEXT STEPS Beyond Cheechoo PEA – Toward Investment Decision De-risking and Permitting Process Environement Baseline Studies Pre-Feasibility Study & Feasibility Stuy Impact Studies Community Relations – Impact and Benefits Agreements (IBA) SOI │ TSX-V │ 15

  16. Slide 16: 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 │ 16

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