Oceanagold Corporation · TSX:OGC
Oceanagold — Investor Presentation (September 2026)
41 slides from Oceanagold's investor presentation, September 2026
Slide 1: Performance, Growth, Returns
Performance, Growth, Returns 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: Our Purpose, Our Vision, Our Values
Our Purpose Mining gold for a better future Our Vision To be a company people trust, want to work and partner with, supply and invest in, to create value Our Values Care Respect Integrity Performance Teamwork 4
Slide 5: 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 6: Strong, Capable & Aligned Leadership Team
GERARD MARIUS VAN BHUVANESH KEENAN BOND NIEKERK MALHOTRA JENNINGS Strong, Capable President & Chief Executive Officer EVP, Chief Financial Officer EVP, Chief Operating Officer EVP, Chief Exploration Officer & Aligned Leadership Team MICHELLE ELIZABETH DAVID EDELSON THAMPY BICKERTON EVP, Chief People
Slide 7: Executing on Our Corporate Strategy
Executing on Our Corporate Strategy Five pillars to increase and sustain a higher value for OceanaGold shares 1 2 3 4 5 Safely, Responsibly A Caring, Inclusive Increase Reserves & Deliver Financial Premium Rating with & Reliably Deliver and Winning Deliver New Resources Strength and the Investment G
Slide 8: Safely, Responsibly & Reliably Deliver Gold Production
1 Safely, Responsibly & Reliably Deliver Gold Production 600 590 550 Organic, low-risk, Gold Production (koz) production growth 498 520 500 489 450 2026 production growth is driven by Haile 400 350 2024 Actual 2025 Actual 2026 Guidance1 8 1. See Q4 2025 MD&A for more information. Guidance is subject
Slide 9: 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 10: Updated Technical Reports
Updated Technical Reports Positioned to generate substantial FCF1, based on reserves only2 $1,600 $1,577 $1,573 $1,575 $1,513 $1,519 $1,553 ✓ Expected to produce an average of 210,000 oz $1,307 $1,314 Au per year from 2027 to 2031 inclusive HAILE ✓ First ore from Palomino UG expected in 2028 248 231
Slide 11: Sustainability is Central to Business Performance
27% of short-term High importance on delivering incentive KPIs are results in a responsible way sustainability related 10% Sustainability is 17% 2026 Corporate 40% Central to Business Safety of the workforce, care for Scorecard & KPI Breakdown the environment, positive 6% Performance relationships w
Slide 12: A Caring, Inclusive and Winning Culture
2 A Caring, Inclusive and Winning Culture Culture survey achieved strong employee engagement scores Strength in technical expertise and across our business Focused on creating an inclusive and respectful workplace experience for our workforce Living Our Values program celebrates outstanding role mod
Slide 13: Increase Resources & Reserves Cost Effectively
3 Increase Resources & Reserves Cost Effectively Record exploration spend planned for 2026 2026 Priorities $60M1 Conversion of Resources to Reserves $10M $40M $10M Brownfield exploration to grow Resources $25M New greenfield opportunities & $10M earn-ins 2025A 2026E Didipio Waihi District Macraes Ha
Slide 14: Key Catalysts
EXPECTED TIMING 1 PROJECT CATALYST Palomino Underground First ore 2028 HAILE Ledbetter Underground First ore 2029 Record exploration budget 2026 Further mine life extension Technical Report MACRAES Early 2028 (NI 43-101) Key Catalysts Waihi North Project Underground Commenced development tunnelling
Slide 15: Deliver Financial Strength and Returns
4 Deliver Financial Strength and Returns 655 Robust 477 financial position Adding Cash to the Balance Sheet 192 Net Cash (debt) ($M)1 No debt (77) (170) Tripled annual 2022 2023 2024 2025 Q2 2026 dividend for 2026 ($0.36 per share annually) Returning Capital up to 432 to Shareholders Doubled share D
Slide 16: A Focus on Per Share Metrics
A Focus on Per Share Metrics Production (oz/‘000 share) Operating Cash Flow1 ($/share) 6.23 Strong per share metrics 2.2 2.4 2.0 2.0 2.0 3.96 2.48 Free Cash Flow powered by 1.62 1.69 strong production and high gold price environment 2022 2023 2024 2025 H1 2026 2022 2023 2024 2025 H1 2026 2 2 Annuali
Slide 17: Delivering Strong Returns on Capital
Delivering Strong Returns on Capital Generated $543M of Free Cash Flow1 in 2025 Free Cash Flow Yield2 Return on Capital Employed3 29% 15% 14% 12% 18% 9% 4% 7% 3% 6% 2022 2023 2024 2025 LTM Q2 26 2022 2023 2024 2025 LTM Q2 26 1. Free Cash Flow is a non-IFRS measure. See “Cautionary Statements” in thi
Slide 18: 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 19: A Premium Rating with the Investment Community
5 A Premium Rating with the Investment Community 2 0 2 6 E F C F Yi e l d 1 P/ N AV 2 2 0 2 6 E EV E B I T DA 3 TXG 15.2% LUG 1.5x EVN 9.5x Independent Chair IMG 13.4% CDE 1.5x LUG 9.5x and strong technical EDV 13.4% EVN 1.2x DPM 8.9x Directors OGC 12.0% NST 1.1x AGI 8.6x RRL 11.2% DPM 1.0x NST 8.4x
Slide 20: 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 21: Haile
HAILE HAILE Growth in the USA OVERVIEW Location South Carolina, USA ~45% Metals Gold, Silver of OGC’s Annual Mine Type Production in 2026 2 Open Pit & Underground Processing Type Carbon-in-leach flotation plant Mine Life1 2026 Guidance 2036+ 235 - 260 koz $1,500 - $1,700/oz GOLD PRODUCTION AISC 3 1.
Slide 22: Haile Exploration
Exploration HAILE Multi-million ounce mine with further upside potential Mines & Prospects Strategic Only gold producer in under-explored OGC Tenements Position gold district Resource Areas Fourth largest operating gold Target Areas mine in the United States Continue exploration with focus on underg
Slide 23: Macraes
MACRAES MACRAES The foundation asset OVERVIEW Location South Island, New Zealand ~26% Metals Gold of OGC’s Annual Mine Type Production in 20262 Open Pit & Underground Processing Type Carbon-in-leach, Pressure oxidation Mine Life1 2026 Guidance 2032+ 135 - 155 koz $1,950 - $2,150/oz GOLD PRODUCTION A
Slide 24: Macraes Exploration
MACRAES Exploration 6 Moz produced from 11 deposits Strategic 30 km highly mineralized structure Position Mines & Prospects Large >14,000 ha prospective land OGC Tenements holding Resource Areas Macraes Shear Zone Significant ounce potential with leverage to higher gold prices MP4 application submit
Slide 25: Mine Life Extension Potential at Macraes
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 S
Slide 26: Waihi
WAIHI WAIHI The gateway to Wharekirauponga OVERVIEW Location North Island, New Zealand ~12% Metals Gold, Silver of OGC’s Annual Mine Type Production in 20262 Underground Processing Type Carbon-in-pulp Mine Life1 2026 Guidance 2038+ (MUG+WUG) 60 - 75 koz $2,100 - $2,300/oz GOLD PRODUCTION AISC 3 1. B
Slide 27: Waihi North Project Well on Track
Waihi North Project Well on Track WAIHI 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 2
Slide 28: Fully permitted to develop & operate the Waihi North Project
Fully permitted to develop & operate the Waihi North Project WAIHI - 1845000mE - 1850000mE 8 Moz high-grade epithermal district1 1.2Moz of Reserves2, 800koz of Inferred2 at Wharekirauponga Wharekirauponga with strong growth Underground Strategic potential Position Mines & Prospects Large land holdin
Slide 29: Further High-Grade Drill Results at Wharekirauponga
Further High-Grade Drill Results at Wharekirauponga1 WAIHI 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 Mi
Slide 30: Didipio
Didipio DIDIPIO A strong Free Cash Flow generator with upside OVERVIEW Location Luzon Island, Philippines Metals Gold & Copper ~17% Ownership of OGC’s Annual 80% OceanaGold, 20% PSE Listed Production in 20262 Mine Type Stockpile & Underground Processing Type Gravity, Flotation 2026 Guidance Mine Lif
Slide 31: Didipio Exploration
Exploration DIDIPIO HAILE High-margin Copper-Gold porphry Strategic Multi-million-ounce deposit with large and Position prospective land holding Mines Prospects OGC Tenements Intrusive Rock Continued growth through Resource conversion at depth Regional discovery potential across the FTAA Opportunity
Slide 32: Katanning
KATANNING Katanning High-quality development asset in Australia OVERVIEW Location Western Australia Tier-1 Permitting Low Jurisdiction advanced capital Metals Established Gold infrastructure and with granted mining Conventional OP with leases CIL processing workforce Mine Type Open Pit Production of
Slide 33: 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 34: Appendix
4) OCEANAGOLD Appendix
Slide 35: Capital Structure
Capital Structure Capitalization1 Top Shareholders2 Analyst Coverage TSX / NYSE OGC BMO Capital Markets Brian Quast Issued and Outstanding Shares1: 222M Canaccord Genuity Jeremy Hoy Fully Diluted Shares1: 225M CIBC World Markets Cosmos Chiu Current Share Price (CAD)2: $41.87 ATB Cormark Securities R
Slide 36: Board of Directors
PAUL GERARD LINDA SANDRA BENSON BOND BROUGHTON DODDS Chair Executive Director Non-Executive Non-Executive Board Director Director of Directors STEFANIE CRAIG ALAN IAN LOADER NELSEN PANGBOURNE REID Non-Executive Non-Executive Non-Executive Non-Executive Director Director Director Director 36
Slide 37: Diesel Price Sensitivity and Supply
Diesel Price Sensitivity and Supply No disruptions to operations to date due to Iran conflict Majority of diesel consumption is at Haile and Diesel consumption comprises ~6% of Macraes consolidated 2026 AISC1 guidance Diesel 80% of diesel is hedged at ~$65/bbl at Haile and 6% Macraes, on a rolling 1
Slide 38: 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 39: 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 40: 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 41: 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