Gorilla Gold Mines Ltd · ASX:GG8
Gorilla Gold Mines — Resources Rising Stars Investor Presentation (September 2025)
29 slides from Gorilla Gold Mines's conference presentation, Sep 17, 2025
Slide 1: Delivering High-Grade Ounces on Kalgoorlie's Doorstep
DELIVERING HIGH-GRADE OUNCES ON KALGOORLIE’S DOORSTEP For personal use only Rapid value creation through aggressive drilling targeting high-grade gold in Tier-1 locations Presentation September 2025 ASX:GG8
Slide 2: Disclaimer
Disclaimer Nature of Document: This presentation has been prepared and issued by Gorilla Gold Mines Ltd (Company) to provide general information about the Company. The information in this document is in summary form and should not be relied upon as a complete and accurate representation of any matte
Slide 3: Gorilla Highlights
Gorilla Highlights Rapidly discover and delineate high-grade ounces close to infrastructure Strategy at a targeted average resource grade of ~4g/t Au For personal use only Advanced, high-grade gold projects Located on granted Mining Leases, close to multiple operating mines & infrastructure. Substan
Slide 4: Experienced Team – Delivery and Value-Creation
Experienced Team – Delivery and Value-Creation Highly experienced board and leadership team with proven track records in the WA mining sector For personal use only Dean Hely Simon Lawson Alex Hewlett Kelvin Flynn [ Non-Executive Chair [ Director Non-Executive [ Director Non-Executive [ Director Non-
Slide 5: Corporate Overview
Corporate Overview Well-funded and well supported to continue driving value for shareholders SHARES ON ISSUE 646M For personal use only ANALYST COVERAGE CASH as at 30 June 25 $20M MAJOR SHAREHOLDERS MARKET CAP as at 12 eptember 25, 40c $258M 0.600 0.500 0.400 Board & Management 0.300 20% Institution
Slide 6: Exceptional Location – Heart of the WA Goldfields
Exceptional Location – Heart of the WA Goldfields Three “forgotten” projects consolidated for the first time by a focused and dynamic explorer For personal use only Strategy: Rapidly discover and delineate high-grade ounces close to infrastructure at a targeted average resource grade of ~4g/t Au gor
Slide 7: Discovery and Growth – Execution and Delivery
Discovery and Growth – Execution and Delivery A whirlwind 8 months – rapid action driving strong and consistent news flow resulting in rapid growth and shareholder value 23 Sep 2024 For personal use only Acquisition of 21 Mar 2025 Vivien Major completed, re- 15 Apr 2025 19 May 2025 18 Nov 2024 9 Dec
Slide 8: Comet Vale Project
Image: Historic Comet Vale ore drive (6m width) For personal use only Comet Vale Project: • High grade gold mine 1 hour north of Kalgoorlie. • Prior focus on production - untested Camp scale opportunity. • Major discoveries on the project this year. • Greenfields opportunity on granted Mining Leases
Slide 9: Comet Vale – Overview
Comet Vale – Overview • Historical production of >200,000oz Au at >20g/t of Au1 For personal use only last operated in 2020. • Granted Mining Leases and Existing mining permitting in place. Multiple mills in the region. • Emerging camp scale mineralisation at the project. • Four rigs working targeti
Slide 10: Comet Vale – Camp
Comet Vale – Camp For personal use only • High grade production and resource located at Sovereign Prospect. • Thick high-grade gold mineralisation. • Major unexplored camp scale opportunity. • 10km by 3km structural and mineralisation zone. gorillagold8.com | ASX:GG8 10
Slide 11: Comet Vale – Thick and High-grade standout intercepts
Comet Vale – Thick and High-grade standout intercepts Three new discoveries - Top drill results from Comet Vale Project – Thick high-grade gold For personal use only Lakeview – new discovery >1200m of strike Sovereign/Sovereign North – Cheer & Happy Jack – on 1 structure, from surface to a depth >30
Slide 12: For personal use only
For personal use only gorillagold8.com | ASX:GG8 12
Slide 13: Mulwarrie Project
Image: Open pit at Mulwarrie Project For personal use only Mulwarrie Project: • 350koz @ 3.6 g/t Au in resource. • Strategic location 60km from Comet Vale Project. • Major resource growth on the project this year. • Granted Mining Leases close to mills. PLAN – AIM TO DOUBLE RESOURCE Q2-2026 & STUDIE
Slide 14: Mulwarrie Gold Project – Coming of Age
Mulwarrie Gold Project – Coming of Age High-grade gold │10km from Davyhurst mill │60km from Comet Vale • Acquired from Genesis Minerals in November 2024. For personal use only • Discovered in 2017, but tied up in M&A since then. • Major extensions discovered by GG8 in 2025 – multiple >200gm intercep
Slide 15: Mulwarrie – New High-Grade Resource
Mulwarrie – New High-Grade Resource August MRE update: For personal use only Indicated and inferred - 3Mt @ 3.6 g/t Au for 350koz 5m @ 95 g/t Au fr. 73m 17MWRC008 (475 gm) 7m @ 19.9g/t Au fr. 53m 17MWRC010 (140 gm) 8.2m @ 23.5 g/t Au fr. 217.6m MWEX012 (193 gm) 9m @ 13.3g/t Au fr. 176m 17MWRC108 (12
Slide 16: For personal use only
For personal use only gorillagold8.com | ASX:GG8 16
Slide 17: Mulwarrie – New drilling outside of the August resource
Mulwarrie – New drilling outside of the August resource For personal use only gorillagold8.com | ASX:GG8 17
Slide 18: Vivien Project
Image: Vivien Gold Project For personal use only Vivien Project: • 278koz @ 4.1 g/t Au in resource. • High grade gold mine 10km west of Leinster, WA. Last operated in 2023 • Prior focus on production, excellent ore bodies - underexplored. • Granted Mining Leases very close to mills. PLAN – FIND ANOT
Slide 19: Vivien – Growth upside
Vivien – Growth upside Exploration to test the footwall or along strike positions to Vivien main lode For personal use only gorillagold8.com | ASX:GG8 19
Slide 20: Upcoming Work Program
Target Cash Spend Composition Upcoming Work Program 6% Drilling Planned discovery and growth work to drive resource potential 30% Ground Support, Targeting & Studies 64% Corporate For personal use only Work Program Calendar Year Q3’2024 Q4’2024 Q1’2025 Q2’2025 Q3’2025 Q4’2025 Q1’2026 Q2’2026 Acquisi
Slide 21: Why invest with Gorilla?
Why invest with Gorilla? For personal use only High-Grade Strategy Great Jurisdiction Quality Projects x3 Experienced Team Very Active Grade is king. The best WA’s Eastern Goldfields is Former high-grade gold Experienced Board and Gorilla is doing what it place to find a new the best place to mine i
Slide 22: Appendix
Image: Comet Vale For personal use only Appendix gorillagold8.com | ASX:GG8 22
Slide 23: Gorilla Gold – Mineral Resources
Gorilla Gold – Mineral Resources 1.2Moz contained ounces @ 4.3 g/t Au JORC Resource Table 1: Gorilla Gold – Mineral Resource1,2 For personal use only Measured Indicated Inferred Total Tonnage Au Grade Au Tonnage Au Grade Au Tonnage Au Grade Au Tonnage Au Grade Au Category (Mt) (g/t) Ounces (Mt) (g/t
Slide 24: Mineral Resources – Comet Vale
Mineral Resources – Comet Vale Existing total JORC Resource at Comet Vale of 96koz at 4.8g/t Table 1: Comet Vale March 2023 Depleted Open Pit Resource (Au>=0.5g/t OP) Comet Vale March 2023 Depleted Open Pit Resource (Au>=0.5g/t OP) For personal use only Category Tonnage (Mt) Au Grade (g/t) Au Ounces
Slide 25: Mineral Resources – Mulwarrie Gold Project
Mineral Resources – Mulwarrie Gold Project Existing total JORC Resource at Mulwarrie of 350koz at 3.6g/t For personal use only Table 1: Mulwarrie Mineral Resource Estimate Summary Mulwarrie Mineral Resource Estimate Summary (0.5g/t cut-off Open pit, 1.1 g/t Underground) Category Tonnage (Mt) Au Grad
Slide 26: Mineral Resources – Vivien Gold Project
Mineral Resources – Vivien Gold Project Existing total JORC Resource at Vivien of 278koz at 4.1g/t For personal use only Table 1: Vivien Mineral Resource Estimate Summary Comet Vale March 2023 Depleted Open Pit Resource (Au>=0.5g/t OP) Category Tonnage (Mt) Au Grade (g/t) Au Ounces Indicated 0.15 4.
Slide 27: Mineral Resources – Labyrinth Gold Project
Mineral Resources – Labyrinth Gold Project Existing 500koz at 5.0 g/t and represents a low-cost option on further exploration success For personal use only Table 1: Labyrinth Mineral Resource Estimate Summary by Lode Inferred Lode Tonnage (Mt) Au Grade (g/t) Au Ounces Boucher 1.0 5.7 190,000 McDowel
Slide 28: Previous Announcements
Previous Announcements This presentation refers to historic press releases: • Lakeview Metallurgy Update (refer ASX announcement 5 August 2025) This presentation refers to historic press releases: • Mulwarrie Resource Update (refer ASX Announcement 4 August 2025) • Latest Gold drilling results from
Slide 29: Contact
Contact Charles Hughes|CEO For personal use only admin@gg8.com.au gorillagold8.com | ASX:GG8
Gorilla Gold Mines — Resources Rising Stars Investor Presentation (September 2025) on 6ix