Great Pacific Gold Corp. · TSXV:GPAC
Great Pacific Gold — Corporate Update (October 2025)
49 slides from Great Pacific Gold's corporate update, October 2025
Slide 1: Leading Gold-Copper Development in Papua New Guinea
TSX-V: GPAC OTCQX: GPGCF FRA: V3H Leading Gold-Copper Development in Papua New Guinea CORPORATE PRESENTATION OCTOBER 2025 1
Slide 2: Forward-Looking Statements
Forward-Looking Statements No stock exchange, securities commission or other regulatory authority has approved or disapproved the information contained on this presentation. This presentation is not an offer to purchase securities and does not constitute an offering document under Securities legisla
Slide 3: 3 Investment Opportunities in 1
3 Investment Opportunities in 1 1 2 3 WILD DOG KE S AR & A R A U WAL HALL A Fully-Funded, Robust Drill Strategically Positioned 1:1 Spinout Shareholder Program Projects Opportunity 3
Slide 4: Site Visit Itinerary
WILD DOG Site Visit Itinerary Friday, 24 October 2025 07:00 – 09:00 | Charter flight from Port Moresby to Kokopo, ENB. Arrival at Kokopo Airport. 09:15 – 10:30 | Drive to site. 10:30 – 11:30 | Camp and core shed overview, meet the team, logistics overview (with refreshments) 11:30 – 12:00 | Drive fr
Slide 5: Project Overview
WILD DOG Project Overview • District-scale land package: Over 1,400km² located in East New Britain, PNG • High-grade: Current diamond drilling program returning high-grade Au-Cu intercepts from epithermal Sinivit Target • Large-Scale: >15km strike length with +1,000 meters of depth potential • Porph
Slide 6: Location
WILD DOG Deep water port of Location Rabaul located approx. 50km from Wild Dog – access via 12km sealed project road & 38km paved public highway Island of New Britain, PNG Rabaul Port Kokopo Multiple daily commercial air Tokua flights to Port Moresby from Airport Tokua Airport, 45km from site EL2761
Slide 7: Road to Wild Dog - Points of Interest
WILD DOG Road to Wild Dog - Points of Interest • Wild Dog Structure: Road from Riet to the Sinivit historic open pit traverses along the Wild Dog structure from NW to SE. • Clay alteration: Note strong hydrothermal clay/argillic alteration along road cuttings. • Geochemical anomalism beyond main str
Slide 8: History of the Wild Dog Project
WILD DOG History of the Wild Dog Project Early Discoveries and Initial Exploration (1940s–1980s) • 1942 – First recorded mineralization at Sinivit. • 1983 (Esso PNG) – Wild Dog gold deposit discovered, identifying epithermal-style mineralization. Major Exploration and Resource Development (1989–2004
Slide 9: Wild Dog Focus Area
WILD DOG Wild Dog Focus Area • 2025 exploration focus: Historic open pits situated along highly prospective ~3km section of Wild Dog Vein structure • Historic high-grade gold production: Historic small- scale mining targeted high-grade epithermal near- surface oxide material. • Open along strike and
Slide 10: Wild Dog Focus Area
WILD DOG Wild Dog Focus Area • Historical data includes soil sampling, rock sampling, trenching and drilling over limited amounts of the exploration area (mostly around historic open pit) • Wild Dog project area extensively mapped – not incorporated into subsequent exploration programs/production •
Slide 11: Sinivit Open-Pit
WILD DOG Sinivit Open-Pit FW Quartz veins Main Vein 0.8m @ 122g/t Au, 2.7% Cu, 88g/t Ag 3m @ 4.56 g/t Au, 0.62% Cu, 20.7 g/t Ag Fault 0.2m @ 43.1g/t Au, 0.99% Cu, 33g/t Ag Panoramic photo of Wild Dog open pit (facing south) with lithological contacts/alteration/structures marked See appendix for ass
Slide 12: Wild Dog Open Pit Assay Results
WILD DOG Wild Dog Open Pit Assay Results Easting Northing Channel Interval SampleId mRL Description/Geology Au1 ppm Ag ppm Cu ppm WGS 84 WGS 84 Sample (m) WDGS250027 394422 9488906 920.6 0.8m length Black silica with stage 2 qtz. Central part of larger vein Vein 1 0.8 14.5 144 48,960 Vein 1 WDGS2500
Slide 13: Current Program
WILD DOG Current Program • Focused Program: Diamond drilling focused on historic mining area along highly prospective, 1.5km long section of Wild Dog Vein structure – Sinivit Target • Expanded Program: Maiden drill program - initiated May 2025, expanded to 28 holes, 4,500 meters diamond drilling • E
Slide 14: High-Grade Au-Cu Mineralization – Key Intercepts
WILD DOG High-Grade Au-Cu Mineralization – Key Intercepts Tray 59 Tray 60 3.8m @ 105.3 g/t AuEq 8.4m @ 49.9 g/t AuEq 0.8m @ 322 3.8m @ 105.3 g/t AuEq g/t AuEq 0.8m @ 322 g/t AuEq Tray 61 Tray 62 8.4m @ 49.9 g/t AuEq 14
Slide 15: District-Scale Potential
WILD DOG District –Scale Potential Defined 1,000m deep MobileMT airborne structure of high- geophysical survey conductivity that runs over completed over 187 km²: *Layered View diagram not drawn to scale 15km highlighting main epithermal gold-copper target area 15
Slide 16: Magiabe Porphyry Target
WILD DOG Magiabe Porphyry Target • Mapping identified multiphase quartz diorite – monzonite porphyry intrusion • Prior geophysics work (2010 3D IP survey) identified a large chargeability anomaly adjacent to & beneath Wild Dog epithermal zone, causing geologists to draw analogies to Wafi-Golpu syste
Slide 17: Project Overview and Location
KESAR Project Overview and Location • Located in Eastern Highlands province of PNG • Contiguous with K92 Mining’s Kainantu operations • Along strike from Kora deposit, greenfield project with artisanal mining workings • Originally defined by high-grade gold assays from soil, rock & chip sampling in
Slide 18: Three Targets Tested
KESAR Three Targets Tested • Anteruno - diamond drill program completed Nov 2024 to Jan 2025– 5 holes, 2,100 meters, 1km of structural corridor tested • Hampore - diamond drill program completed Feb to April 2025 – 7 holes, 1,510 meters • Fufunambi - drilling completed with 1 hole, 227 meters 18
Slide 19: Kesar – Anteruno Drill Program
KESAR Kesar – Anteruno Drill Program 1 Geological Insights: Overview • 5 holes drilled, totaling 1,737.9 • The majority of sheeted meters veins trend WNW-ESE to E-W. • Targeting quartz-carbonate- polymetallic vein within • Hosted within the Akuna granodiorite of the Akuna Granodiorite/Tonalite Intru
Slide 20: Cross-section - Hole KDH003
Cross-section - Hole KDH003 20
Slide 21: Anteruno Highlights – Hole KDH003
KESAR 84.46m -85.17m: 0.71m @ 13.50g/t Au & 85.17m – 85.60m: 0.43m @ 2.17 g/t Au. Major fault zone silicified walls with puggy clay-mineralised. Hydrothermal polymictic qz-cb vn breccia with sulph: 7-8% massive –diss f.py-sph-gal-mo- aspy ( noted)-primary hm patch in vn.. Anteruno Highlights – Hole
Slide 22: Kesar – Hampore/Fufunambi: Drill Program
KESAR Kesar – Hampore/Fufunambi: Drill Program 1 Overview Geological Insights: • 7 holes drilled totaling 2,112 meters • Strong structural control with NW-SE fault zones and • Targeting alteration and veining with secondary E-W trending a focus along metasedimentary and structures granodiorite conta
Slide 23: Cross-section - Hole KDH006 and KDH007
KESAR Cross- section - Hole KDH006 and KDH007 23
Slide 24: Hampore / Fufunambi Highlights
KESAR Hampore / Fufunambi Highlights: Hole KDH007 10.10 g/t Au 47.80m – 48.00m: 0.20m @ 10.10 g/t Au. Mod fracture – sulphide infill with strong hem staining .Massive – blocky 30cm quartz vein with diss py-cpy-sph-gal-aspy.
Slide 25: Geophysics
KESAR Geophysics 1 Survey: • Mobile Magnetotelluric (MobileMT) survey completed across full tenement • High-resolution 100m line spacing over priority zones Key Outcomes: • Identified extensive network of deep structures connected to Hampore & Fufunambi anomalies • Structural trends and scale are co
Slide 26: Target Generation Underway
KESAR Target Generation Underway Next Steps: • Advanced interpretation underway • Hampore and Fufunambi drill combined with geophysics to guide fieldwork during balance of 2025 • Phase II drill program expected 2026 26
Slide 27: OLGETA
Our values shape how we work, lead and grow - together To come together. We all work together. Olgeta i sef em as tingting Gutpela pasin na tok tru Tingting niupela na save SAFETY IS OUR WE ACT WITH WE USE INNOVATION TOP PRIORITY HONESTY & INTEGRITY & KNOWLEDGE OLGETA Lukautim basgraun na komiuniti
Slide 28: Appendix
Appendix 28
Slide 29: Wild Dog Open Pit Sample Locations
Central Pit WILD DOG WDGS250044 WDGS250043 WDGS250042 WDGS250041 Wild Dog WDGS250040 WDGS250027/ Open Pit Sample WDGS250034 Locations WDGS250035 Southern P WDGS250036 29
Slide 30: Wild Dog Sample Locations and Photos
WILD DOG Wild Dog Sample Locations and Photos 30
Slide 31: Wild Dog Sample Locations and Photos
WILD DOG Wild Dog Sample Locations and Photos 31
Slide 32: Wild Dog Sample Locations and Photos
WILD DOG Wild Dog Sample Locations and Photos 32
Slide 33: KDH002A
KESAR KDH002A 65.20m – 65.80m: 0.6m @ 0.68g/t Au. Mineralised zone – silicifiled & 0.68g/t Au 1.35g/t Au chlorotized > 5% sulphides: py-mo-sph- gal, qz vein as well as disseminations, bands of py-mo on qz veins, sulph-py- mo also on margins. & 65.80m-66.83m: 1.03m @1.35g/t Au. Mineralised zone - sil
Slide 34: KDH002A
KESAR KDH002A 90.65m-90.32m:0.67m @ 1.30g/t Au. Granodiorite with strong chl-seri altered halo 1.30g/t Au 15cm of fault breccia and mineralised. Discrete stng vein ser-ch-py-si halo with 5-6% diss f.py-+/-aspy+/-cpy. 34
Slide 35: KDH002A
KESAR KDH002A 156.56m – 157.30m: 0.70m @ 0.74g/t Au. Strong phyllic altered- slightly bleached zones 0.74g/t Au mineralised with lam qz-cb (ankerite) vn with py-sph-mo- trace cpy -aspy? as well as diss / replacement throughout zone . Qz-sulph vn of 5-6cm thickness. Patchy carbonate(ankerite) noted.
Slide 36: KDH003
KESAR KDH003 2.76g/t Au 52.0m -52.87m: 0.80m @ 2.76g/t. Silicified -ser altered zone.Sheared with 3-4% tight- narrow sheeted qz-py-aspy vnlets + stingers.4-5% vein control –diss f.py-aspy+/-cpy. 36
Slide 37: KDH006
KESAR KDH006 A A 26.80m to 27.45m: 3.85 g/t Au 0.65m @ 3.85 g/t Au. Mineralized gossanous zone- bleached – FeO stains. Pervasive – FOX. Discrete open qz- sulph veins and fractures. 37
Slide 38: KDH006
KESAR KDH006 1.47 g/t Au 73.72m - 74.80m: 1.08m @ 1.47 g/t Au. Gossanous structure, bleached-kao-ill- sulphides & strong FeOxd stains through fractured/ vughs. Monomictic leached quartz-sulphides py-aspy vn bx with disoriented py-aspy stringers + dissemination. 38
Slide 39: KDH006
KESAR KDH006 0.652 g/t Au 0.92g/t Au 98.10m – 98.62m: 0.52m @ 0.916 g/t Au . Moderately fractured granodiorite > chl-py or ser-py stringers increased zone.15-20cm discrete shtd qz-py+/-aspy vein. & 98.62m – 99.07m: 0.45m @ 0.652 g/t Au. Moderately fractured granodiorite > chl-py or ser-py stringers
Slide 40: KDH007
KESAR KDH007 1.50 g/t Au 137.80 to 138.34m: 0.54m @ 1.50 g/t Au. 15cm – 20cm sheeted & laminated qz-py-sph-gal vein breccia. 4-5% massive – diss f.sph-py-gal/-bor. 40
Slide 41: KDH008
KESAR KDH008 35.40m – 36.40m: 1.00m @ 2.59 g/t Au. Fault 2.59 g/t Au breccia- Oxidised zone, clay infill with fine sulphides 3-6% disseminations. Diss li-hem stains + coatings 41
Slide 42: KDH008
KESAR KDH008 183.32m – 183.70m, 183.70m – 184.20m & 184.20m – 184.60m: 0.38m @ 5.25 g/t Au, 0.50m @ 5.25 g/t Au 1.00 g/t Au 1.00 g/t Au & 0.40m @ 0.55 g/t Au: respectively. Flt Shear Zone: Qz-py- aspy-sph-cpy +/-gal vein breccia.Stng ser-il-py altn.5-6% massive – diss py-aspy-sph-cpy+/- gal. 0.67 g/
Slide 43: KDH008
KESAR KDH008 185.90m -186.10m: 0.20m @ 2.10 g/t Au. Fault 2.10 g/t Au breccia zone: Silty – cly with bx clasts + fragmnts of qz-py-aspy-sph+/-gal vns. 8-10% diss f.py-aspy-sph+/-gal. 43
Slide 44: KDH011
KESAR KDH011 183.64m – 183.85m & 0.20 g/t Au 9.08 g/t Au 183.85m – 184.14m: 0.21m @ 0.20 g/t Au & 0.29m @ 9.08 g/t Au respectively. Semi- massive sulphide zone pyrite- arsenopyrite-sphalerite-galena- clay, brecciated with clay infill- friable zone. HW & FW contained massive quartz- carbonate- less s
Slide 45: KDH011
KESAR KDH011 184.14m – 184.58m: 0.44m @ 0.70 g/t Au. Footwall of semi- 0.70 g/t Au massive sulphide structure contained massive. 4-5% foln – fract cntrl diss f.py – aspy +/-sph+/-gal. 45
Slide 46: KDH012a
KESAR KDH012a 0.91 g/t Au 76.30m – 77.40m & 77.40m – 78.10m: 1.10m @ 0.91 g/t Au & 0.70m @0.83 g/t Au respectively. Brecciated zone :clay –sericitic -oxidised zone with clay-rock fragments infill with vfg sulphides diss <2%. 0.83 g/t Au 46
Slide 47: 1:1 Spin Out – Walhalla Project
WALHALLA PROJECT 1:1 Spin Out o Creates immediate GPAC shareholder value into Walhalla Gold Corp. o GPAC will retain a 2% NSR for Walhalla Project: • Total historic production of 1,510,309 ounces at 33.59 g/t gold (GeoVic, 2020) • 1,400km2 land package comprising numerous occurrences & historic mine
Slide 48: Our People
Our People Management Board of Directors Greg McCunn – CEO & DIRECTOR Mick Carew - VP CORPORATE DEVELOPMENT Charles Hethey - BOARD CHAIR Dr. Chris Muller - INDEPENDENT DIRECTOR B.A .Sc. Metallurg ical Engin eering, MBA PhD Geologist Secu rities Lawyer in B.A .Sc. Geology, PhD. Former CEO at Alio Gol
Slide 49: info@gpacgold.com OTCQX: GPGCF www.gpacgold.com
info@gpacgold.com TSX-V: GPAC +1 778 262 2331 OTCQX: GPGCF www.gpacgold.com FRA: V3H 49