Oceanagold Corporation · TSX:OGC
Oceanagold — Investor Presentation (September 2026)
17 slides from Oceanagold's investor presentation, September 2026
Slide 1: Value, Returns, Growth
Value, Returns, Growth September 2026 TSX/NYSE: OGC
Slide 2: Cautionary Statements
Cautionary Statements Cautionary Note Regarding Forward-Looking Statements This presentation contains certain “forward-looking statements” and “forward-looking information” (collectively, “forward-looking statements”) within the meaning of applicable Canadian and United States securities laws which
Slide 3: Global Intermediate Gold and Copper Producer
Global Intermediate Gold and Copper Producer Mining gold for a better future 4 operating mines Safely and responsibly Total Gold Attractive in attractive maximizing generation of Reserves 35+ years organic growth Free Cash Flow1 of 5.8 Moz2 of exploration, jurisdictions opportunities development and
Slide 4: Diversified Portfolio in Top Mining Jurisdictions
Diversified Portfolio in Top Mining Jurisdictions GOLD & COPPER producer HEAD OFFICE Vancouver, Canada HAILE USA DIDIPIO 2026 Guidance: 235 – 260 koz Au Philippines 2026 Guidance: 85 – 105 koz Au TECHNICAL 13 – 15 kt Cu OFFICE Brisbane, Australia 2026 Guidance 520 – 590 koz GOLD PRODUCTION K ATA N N
Slide 5: Delivering Strong Returns on Capital
Delivering Strong Returns on Capital With a focus on per share metrics Free Cash Flow3 Operating Cash Flow3 ($/share) ($/share) 3.45 6.23 Strong financial position 2.32 3.96 2.48 1.01 1.62 1.69 0.37 0.18 No debt 2022 2023 2024 2025 H1 2026 2022 2023 2024 2025 H1 2026 Annualized 4 Annualized 4 Cash o
Slide 6: Balanced Capital Allocation
Balanced Capital Allocation 2025 Actual H1 2026 Sustaining1 Sustaining1 $336M $165M Shareholder Returns Buybacks & Growth Growth Buybacks & $118M $94M Dividends Dividends $203M $174M +112% Cash Increase Cash Increase $285M 2026 Dividends 3x $178M 2026 Buybacks up to $350M Exploration Exploration $40
Slide 7: Waihi North Project Well on Track
Waihi North Project Well on Track Advancing toward the high-grade Wharekirauponga Underground KEY MILESTONES Permits received to develop the Waihi North Project Q4 2025 ✓ Tunnelling contractor mobilized to site Q1 2026 ✓ Willows portal opening Q2 2026 ✓ Commencement of decline development Q2 2026 ✓
Slide 8: Further High-Grade Drill Results at Wharekirauponga
Further High-Grade Drill Results at Wharekirauponga1 Including 6.3 m @ 97.2 g/t Au and 8.5 m @ 41.5 g/t Au 1 1. See news release titled “OceanaGold Reports Exceptional High-Grade Drill Results at Wharekirauponga” dated September 24, 2026, for more information. Based on Mineral Resources and Mineral
Slide 9: Mine Life Extension Potential at Macraes
Mine Life Extension Potential at Macraes1 Current reserve life to 2032 including open pit cutbacks at Coronation, Coronation North, Innes Mills and Golden Bar, and mining at Golden Point UG MP4 extends mine life to late 2030s including potential additional open pit cutbacks, development of Southern
Slide 10: Ausgold Acquisition Delivers Growth at an Attractive Valuation
Ausgold Acquisition Delivers Growth at an Attractive Valuation Adds a high-quality development asset in a tier-1 jurisdiction Conventional, low-capital project with +100koz gold production potential1 Near-term open pit development project with first gold expected in 20291 District-scale landholding
Slide 11: Indicative Production Growth Profile
Indicative Production Growth Profile Potential for production growth to ~650,000 oz per year 900 Katanning Gold Project Potential production profile with Katanning1,2,3 800 First ore expected from Katanning in 20293 700 ~650 koz Potential to contribute over 100,000 oz/year3 600 Au Production (koz) W
Slide 12: Investment Thesis
Global gold and copper producer with deep expertise in operations, development and exploration Committed to safe and responsible mining managing our impacts and contributing to our host communities and society Investment Attractive financial outlook with significant production growth and Free Cash F
Slide 13: Appendix
4) OCEANAGOLD Appendix
Slide 14: Proven and Probable Reserves
Proven and Probable Reserves As at December 31, 2025 Proven Probable Proven & Probable Contained Tonnes Contained Tonnes Contained Tonnes (Mt) Au (g/t) Au (g/t) Au (g/t) Cut-off grade Ozs (Moz) (Mt) Ozs (Moz) (Mt) Ozs (Moz) Horseshoe Underground 1.52 4.39 0.21 2.63 4.24 0.36 4.14 4.29 0.57 1.86 g/t
Slide 15: Measured, Indicated & Inferred Resources
Measured, Indicated & Inferred Resources As at December 31, 2025 Measured Indicated Measured & Indicated Inferred Contained Contained Contained Contained Tonnes (Mt) Au (g/t) Tonnes (Mt) Au (g/t) Tonnes (Mt) Au (g/t) Tonnes (Mt) Au (g/t) Cut-off grade Ozs (Moz) Ozs (Moz) Ozs (Moz) Ozs (Moz) Horsesho
Slide 16: Technical Disclosure
Technical Disclosure Notes to Mineral Reserves and Mineral Resources Estimates All Mineral Reserves and Mineral Resources were estimated as of December 31, 2025 and have been prepared in accordance with NI 43-101. Mineral Reserves and Mineral Resources estimates are reported on a 100% basis. OceanaG
Slide 17: Investor Relations Contacts
BRIAN MARTIN SVP, Business Development & Investor Relations VALERIE BURNS Director, 400 Burrard Street #1020 Investor Relations Vancouver, British Columbia V6C 3B7 Canada BRENDAN SPRAGUE +1 604 678 4123 Manager, ir@oceanagold.com Investor Relations oceanagold.com