Westhaven Gold Corp · TSXV:WHN

Westhaven Gold — Investor Presentation (September 2026)

30 slides from Westhaven Gold's investor presentation, September 2026

  1. Slide 1: Spences Bridge Gold Belt Corporate Presentation

    TSX-V: WHN OTCQB: WTHVF FRA: 1W5 Spences Bridge Gold Belt Advancing high-margin, belt-scale, gold & silver development in southern British Columbia CORPORATE PRESENTATION SEPTEMBER 2026 WESTHAVENGOLD.COM

  2. Slide 2: Cautionary and Forward-Looking Statements

    Cautionary and Forward-Looking Statements The content of this presentation is for information purposes only and does not constitute or form part of, and should not be construed as, an offer or invitation to sell or any solicitation of any offer to purchase or subscribe for any securities of Westhave

  3. Slide 3: Three Reasons to Invest

    PEOPLE $560M EXIT TO Proven team who has sold tier-one mines. GOLDCORP ✓ Eira Thomas (Chair) sold Kaminak to Goldcorp; Director of Eira Thomas Ken Armstrong Suncor >17 years; Co-founder of Lucara Diamond Corp. CH AI R CEO & PRESI DEN T ✓ Ken Armstrong (CEO) 30+ yrs in mining; Chair of North Arrow Mi

  4. Slide 4: Dundee $85M Transaction – JV Structure

    Dundee $85M Transaction – JV Structure COMPANY OWNERSHIP 25% 37.5% 50% 60% DC.A DC.A DC.A DC.A Advance Stable funding, Shared high-quality non-dilutive to WHN development asset shareholders risk “We see a very beautiful asset at Shovelnose. There was an opportunity to do a deal that was a win-win fo

  5. Slide 5: Company Snapshot

    Company Snapshot Strategic & Institutional Shareholders Share Structure (as of August 20, 2026) Shares Outstanding 261,805,218 Eric Sprott Dundee Corporation Shares Fully Diluted 314,511,365 Franco-Nevada Catherine McLeod-Seltzer Market Capitalization ~$100M Rob McEwen Earthlabs *Through private hol

  6. Slide 6: Regional Overview

    Regional Overview Talisker Resources / Bralorne Coeur Mining / New Afton Mine • Four projects (~60,263 ha) SKOONKA NORTH • Extensive and existing Teck / Highland Copper Mine mining infrastructure SKOONKA • Merritt Core Facility / Office Nicola Mining / NIM • Region with active & historic PROSPECT VA

  7. Slide 7: July 2026 – Shovelnose Project

    July 2026 – Shovelnose Project TSX-V: WHN | OTCQB: WTHVF | FRA: 1W5 7

  8. Slide 8: Shovelnose Gold Property Overview

    Shovelnose Gold Property Overview 2.5-hour drive from Vancouver Area of Exploration Focus 30 minutes from Merritt Coquihalla Highway crosses property Powerline on property Heavily logged, >900km of forestry roads Year-round exploration SHOVELNOSE TSX-V: WHN | OTCQB: WTHVF | FRA: 1W5 8

  9. Slide 9: Shovelnose PEA Area of Focus

    Shovelnose PEA Area of Focus • Proposed Mine Site & Underground Development N Areas Dry Stack Tailings Franz Development • Developing Franz & FMN first • Potential Trade-Off to de-risk by starting FMN Development development at South Zone South Zone Development Portal Proposed Roads 0 1 Powerline Pl

  10. Slide 10: Robust Preliminary Economic Assessment

    Robust Preliminary Economic Assessment* High-Grade Underground Mining Scenario $80-$100M after-tax annual cash flow $454M after-tax NPV6% 56,000 oz Au annual production 43.2% after-tax IRR 637,000 oz Au total payable @ US$2,400 base case* $184M preproduction capex 3,562,000 oz Ag total payable $454M

  11. Slide 11: Shovelnose: Near Deposit Exploration Upside

    Shovelnose: Near Deposit Exploration Upside This 4km trend is associated with structurally favourable locations within an epithermal vein system. 0 1 TSX-V: WHN | OTCQB: WTHVF | FRA: 1W5 KILOMETRES 11

  12. Slide 12: Location of Principal Epithermal Gold Deposits

    Location of Principal Epithermal Gold Deposits TSX-V: WHN | OTCQB: WTHVF | FRA: 1W5 12

  13. Slide 13: Hishikari – Blind Deposit, Minimal Footprint

    Hishikari – Blind Deposit, Minimal Footprint Location: Japan Discovered: 1981 Endowment: >10Moz Au Average LOM Grade: >40g/t Au TSX-V: WHN | OTCQB: WTHVF | FRA: 1W5 13

  14. Slide 14: Fruta Del Norte – Blind Discovery

    Fruta Del Norte – Blind Discovery Location: Ecuador Discovered: 2006 Endowment: >9M oz Average Grade: >9g/t Au 1. Background Image: Leary et al 2019 : Geology of the Fruta del Norte Epithermal Gold-Silver Deposit, Ecuador– SEG Special Publication 2. FDN District Footprint: Lundin Gold Corp PPT 2026

  15. Slide 15: Gosowong – Blind Deposits

    Gosowong – >70% of known deposits do not outcrop Location: Indonesia Discovered: 1994 Endowment: >6M oz Au Average LOM Grade: >25g/t Au Gosowong – >70% of known deposits do not outcrop Fitzpatrick et al: The Gosowong Goldfield: A World Class Epithermal Gold Silver District in Indonesia PACRIM 2015,

  16. Slide 16: Shovelnose: Strong Potential for Additional Vein Corridors

    Shovelnose: Strong Potential for Additional Vein Corridors Epithermal districts start with a single discovery, GOSOWONG (+6 Moz Au) and over time, grow into multiple discoveries within large complex vein fields, like at Gosowong & Cracow. 1994 ~1M oz 2004 ~4M oz 1 km CRACOW (+2Moz) Historic vein fie

  17. Slide 17: Shovelnose: Strong Potential for Additional Vein Corridors

    Shovelnose: Strong Potential for Additional Vein Corridors ✓ Prospective structures found beyond the main trend ✓ Evidence for fluids (quartz veining, quartz breccia zones) ✓ Evidence for boiling = the right setting for gold deposits to form Structural Setting: • Three deposits located along interpr

  18. Slide 18: Shovelnose: A Proven Exploration Approach

    Shovelnose: A Proven Exploration Approach A focus on potential basin-bounding faults associated with elevated pathfinders & clay alteration. Schematic representation of potential NW-trending basin-bounding faults Gridded antimony in surface rock samples TSX-V: WHN | OTCQB: WTHVF | FRA: 1W5 18

  19. Slide 19: District Potential: 75km of Epithermal Veins Across the SBGB

    District Potential: 75km of Epithermal Veins Across the SBGB SKOONKA NORTH • High gold-in-silt results: 1,720 ppb Au • Comparable to top gold-in-silt results on Shovelnose (1,985 ppb Au) This is how Shovelnose started! SHOVELNOSE SKOONKA • Historic & WHN Drilling • 20.2g/t Au over 12.8m (historic) •

  20. Slide 20: The Opportunity

    The Opportunity ✦ NEW DISCOVERIES THE ASSET THE PARTNERSHIP × THE PRIZE = Build a mine. High-grade gold, in Canada $85M accelerated investment Develop a Experienced operators 5 rigs, 50,000m, PFS underway mining camp. Belt-scale potential Preserves WHN share structure

  21. Slide 21: Why Invest in Westhaven?

    Why Invest in Westhaven? $85M Shovelnose + 50,000m Partnership with Low-cost, high-margin 2026 drill program Dundee Corporation development underway ✓ DC.A to fund next $85M @ US$2,400 base case* ✓ Resource in-fill drilling** after which 60/40 54.0m of 9 g/t Au & 55 g/t Ag $454M NPV6% - 43% IRR DC.A

  22. Slide 22: W/ Westhaven Gold

    W/ WESTHAVEN GOLD TSX-V: WHN / OTCQB: WTHVF

  23. Slide 23: Appendix A – Dundee Earn-In Agreement

    Appendix A – Dundee Earn-In Agreement Up to $85M In Staged Earn-in Expenditure: Dundee can earn up to a 60% interest in by investing up to CDN$85M Firm Commitment of $30M: Dundee commits to fund a minimum of CDN$30M in project expenditures within the first three years $85M in Staged 2026 Project Exp

  24. Slide 24: Appendix B – Dundee Transaction

    Appendix B - STAGE PROJECT EXPLORATION EXPENDITURE (CDN$) DUNDEE INTEREST (%) EXPENDITURE DEADLINE Dundee Stage 1* (Minimum $30M 25% 3 Years from Execution Date of Agreement.* Transaction Commitment) Structure Stage 2 $15M 12.5% 5 Years from the Execution Date of Agreement. Stage 3 $20M 12.5% 6 Year

  25. Slide 25: Appendix C – Shovelnose Updated PEA

    Appendix C - Shovelnose Updated PEA Operating and Economic Summary Updated PEA Summary Outcomes LOM 11.1 years Production Rate 365 ktpa Total Production 4,159 kt Operations LOM gold grade/silver grade 5.26 g/t 31.9 g/t Avg Au / Ag process recoveries 91.5% / 92.9% Avg Au / Ag smelting/refining 99% /

  26. Slide 26: Appendix D – Robust High Grade Underground Mineral Resource

    Appendix D - Robust High Grade Underground Mineral Resource Shovelnose Underground Mineral Resource Estimate South Zone Zone Tonnes Au Contained Ag Contained Classification (k) (g/t) Au (k oz) (g/t) Ag (k oz) South 3,107 6.1 616 33 3,302 Franz 89 7.4 21 30 88 Indicated FMN 241 5.0 39 22 173 Total 3,

  27. Slide 27: Appendix E – Shovelnose UG Mine Design and Stope Blocks

    Appendix E - Shovelnose UG Mine Design and Stope Blocks 13.1 years mining period (2 yr-construction & development) Portal & main ramp access to all mining areas Three mining methods using mechanized trackless equipment • Longitudinal Longhole Retreat (67%) • Transverse Longhole (25%) • Cut & Fill (8

  28. Slide 28: Appendix F – The Westhaven Way

    Appendix F - The Westhaven Way Our Mission To deliver the highest standards of environment and social responsibility, with a specific focus on generating positive and long-term returns for all key stakeholders. Commitment to the Environment Westhaven acknowledges that there are more than 32,000 arch

  29. Slide 29: TSX-V: WHN | OTCQB: WTHVF | FRA: 1W5

    TSX-V: WHN | OTCQB: WTHVF | FRA: 1W5 29

  30. Slide 30: Contact

    CONTACT Ken Armstrong President & CEO Kaeli Gattens VP Communications 604-681-5558 info@westhavengold.com www.westhavengold.com

Westhaven Gold — Investor Presentation (September 2026) on 6ix