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gorillagold8.com | ASX:GG8 1 ASX: GG8 Rapidly Growing High-grade Gold in WA Multiple new discoveries across a 1.5Moz gold platform with 150,000m of drilling underway 09 September 2026
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gorillagold8.com | ASX:GG8 2 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 matters that a reader should consider in evaluating the Company. While management has taken every effort to ensure the accuracy of the material in this presentation, the Company and its advisers have not verified the accuracy or completeness of the material contained in this presentation. Forward looking statements: This presentation contains forward-looking information about the Company and its operations. In certain cases, forward-looking information may be identified by such terms as "anticipates", "believes", “should”, "could", "estimates", “target”, “likely”, “plan”, "expects", "may", “intend”, "shall", "will", or "would". These statements are based on information currently available to the Company and the Company provides no assurance that actual results will meet management's expectations. Forward-looking statements are subject to risk factors associated with the Company’s business, many of which are beyond the control of the Company. It is believed that the expectations reflected in these statements are reasonable, but they may be affected by a variety of variables and changes in underlying assumptions which could cause actual results or trends to differ materially from those expressed or implied in such statements. There can be no assurance that actual outcomes will not differ materially from these statements. Disclaimer: No representation or warranty, express or implied, is made by the Company that the material contained in this presentation will be achieved or proved correct. Except for statutory liability which cannot be excluded, each of the Company, its directors, officers, employees, advisors and agents expressly disclaims any responsibility for the accuracy, fairness, sufficiency or completeness of the material contained in this presentation and excludes all liability whatsoever (including in negligence) for any loss or damage which may be suffered by any person as a consequence of any information in this presentation or any effort or omission therefrom. The Company will not update or keep current the information contained in this presentation or to correct any inaccuracy or omission which may become apparent, or to furnish any person with any further information. Any opinions expressed in the presentation are subject to change without notice. Competent Person’s Statement The Company confirms that it is not aware of any new information or data that materially affects the information included in those announcements and all material assumptions and technical parameters underpinning the resource estimates with those announcements continue to apply and have not materially changed. The Mineral Resource estimates shown for Comet Vale, Mulwarrie, Vivien and Labyrinth were prepared and disclosed by Gorilla Gold Mines Ltd. The information in this presentation related to Exploration Results or Mineral Resources based on and fairly represents information and supporting documentation compiled by Mr Charles Hughes who is a Professional Geoscientist and a Member of the Australian Institute of Mining and Metallurgy and an employee of Gorilla Gold Mines Ltd. Mr Hughes has sufficient experience relevant to the style of mineralisation and type of deposits under consideration, and to the activities which have been undertaken to quality as a Competent Person as defined in the 2012 Edition of the Joint Ore reserves committee (JORC) Australian Code for Reporting of Exploration results, Mineral Resources and Ore Reserves. Mr Hughes consents to the inclusion in this announcement of the matters based on this information in the form and context in which it appears. This presentation has been authorised and approved for release by the Chief Executive Officer.
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gorillagold8.com | ASX:GG8 3 A High-Grade, High-Growth Gold Company Granted Mining Leases, close to infrastructure, significant execution optionality MULTIPLE UPCOMING CATALYSTS Well-funded with ~$19.7m in cash (June 30 2026), 150km drill program underway HIGH-GRADE EXPLORATION STRATEGY Focus on growing high-grade gold deposits, building strong optionality TEAM WITH A PROVEN TRACK RECORD Accomplished team which has successfully delivered >1Moz during FY 2026 from drilling RAPIDLY EXPANDING GOLD PLATFORM 1.5Moz at 3.8g/t Au with exceptional growth potential PERMITTING WELL ADVANCED All permits in place to resume Vivien UG mine, one permit required for Comet Vale UG MULTI-MILLION OUNCE GROWTH POTENTIAL 70km of targets defined, 6.5km drilled for 1.5Moz so far
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gorillagold8.com | ASX:GG8 4 Core WA growth platform – Comet Vale + Mulwarrie District-scale structural system • ~64km of mineralised structures identified • Significant exploration upside across entire district North Kalgoorlie Gold Hub: 1.2Moz @ 3.7g/t Au Exceptionally under-drilled • Only ~5.5km of strike drilled for the current 1.2Moz high-grade resource base Close to existing infrastructure • Granted Mining Leases located near operating mills, haul roads and established mining infrastructure Multiple active discovery zones • Recent drilling success highlights significant untapped potential • Four high-grade mineralised zones recently discovered
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gorillagold8.com | ASX:GG8 5 North Kalgoorlie Hub – New Discoveries Driving Next Leg of Growth 64km of targets, 5.5km drilled for high-grade 1.2Moz Resource base
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gorillagold8.com | ASX:GG8 6 Camp-scale mineralisation • 9 x 5km zone of complex faulting, shearing and mineralisation – highly prospective Simple targeting • Surface geochem + known mineralised structure = gold • 34km of quality targets - 4km tested to date for 860koz Free-milling gold • Sovereign ore treated in three separate mills for >95% recovery • Initial metallurgy for Lakeview indicates >95% recovery Advanced permitting • One permit required to commence underground activities at Sovereign Comet Vale – 860,000oz and Growing High-grade camp, multiple new discoveries on granted Mining Leases next to the Goldfields Highway Rapidly growing high-grade • 7.3Mt @ 3.7g/t Au for 860,000oz
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gorillagold8.com | ASX:GG8 7 Comet Vale - Sovereign Discovery Large Existing Deposit • Current Resource of 3Mt @ 4.3g/t Au for 410koz (open pit + UG) High-grade Footwall Discovery • High-grade mineralisation outside the main Sovereign lode position • Discovery intercept of 9.3m @ 20.6g/t Au from 414.8m (STEX172) • Strong potential for additional parallel structures within the broader system Outstanding Upside • Sovereign lodes commonly demonstrate strong continuity over substantial strike and depth extents Underground Optionality • Permitting pathway advancing for future underground mining opportunities Strong Discovery Pipeline • Multiple nearby targets remain largely untested Recent footwall discovery at the key Sovereign deposit highlights parallel lode potential
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gorillagold8.com | ASX:GG8 8 Comet Vale - Sovereign Discovery Recent footwall discovery at the key Sovereign deposit highlights parallel lode potential
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gorillagold8.com | ASX:GG8 9 Comet Vale - Lakeview Discovery First discovered in February 2025, now emerging as a major high-grade deposit
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gorillagold8.com | ASX:GG8 10 Comet Vale: Exploration, Growth and Conversion targets Broad-spaced drilling discovering multiple new zones of high-grade mineralisation Donkey Kong Discovery • First drilling into a 1km soil anomaly intersected significant shallow gold mineralisation Magilla Discovery • Initial drilling returned multiple gold intersections along a 3km anomalous trend Diddy Kong Discovery • First drilling into 1km soil anomaly returned significant shallow gold mineralisation Repeatable Exploration Model • Surface geochemistry and mineralised structures continue to consistently generate drill success Extensive Target Pipeline • Dozens of untested targets remain across the broader district
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gorillagold8.com | ASX:GG8 11 Mulwarrie – Positioned for Significant Resource Growth Multiple Mineralised Structures • Large-scale mineralised system including: • Mulwarrie Structure • Lady Gladys Structure • Little Gem Structure Simple targeting • Surface geochem + known mineralised structure = gold • 30km of targets • Only 1.5km drilled to date for 350,000oz Strong Metallurgical Performance • Advanced testwork confirms free-milling characteristics with recoveries exceeding 95% Development Studies Underway • Mining and development studies progressing alongside aggressive exploration drilling 350,000oz @ 3.6g/t Au from surface, next to Davyhurst haul road and 10km from the closest mill
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gorillagold8.com | ASX:GG8 12 Mulwarrie: Recent Step-out Drilling Highlights Strong Growth Potential High-grade gold intersected 700m beyond the current 350,000oz Resource
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gorillagold8.com | ASX:GG8 13 Vivien – Fully Permitted High-Grade Gold Mine with two new discoveries Existing high-grade Resource: • 278,000oz @ 4.1g/t Au • Established high-grade underground gold system with multiple growth targets Fully Permitted Underground Opportunity • Mining by ASX:RMS finished in 2023 • Fully permitted to recommence underground mining activities. Strong Processing Optionality • Located close to multiple operating processing facilities Exploration Upside • Numerous extensions and repeat structures remain lightly tested De-watering to commence • Gives Gorilla optionality to get back underground 4km from the closest mill
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gorillagold8.com | ASX:GG8 14 Vivien – Significant high-grade discovery at Vince Parrell structure to Vivien Main • This is the biggest Vivien style structure at the project Previously untested target • Conceptual structural target • Multiple other “Vivien style” fault targets at the Project Same vein assemblage as Vivien Main • Pyrrhotite dominated quartz vein assemblage Responds to DHEM • Drilling currently underway testing off hole conductor from VIVEX012 Numerous mineralised veins in VIVEX012 • Potential for further high-grade discoveries along strike of these intercepts
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gorillagold8.com | ASX:GG8 15 150,000m drilling planned for 2026 Across West Australian Projects 120,000m drilling for North Kalgoorlie Hub Mostly growth-focused with discovery drilling as required to advance studies 30,000m for Vivien Project Mostly growth-focused Well-Funded, Aggressive Drilling Accelerated pathway to development Studies and permitting Across all three projects simultaneously Image: Comet Vale Project
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gorillagold8.com | ASX:GG8 16 Developers who have done it all before From discovery to delivery at Northern Star, Ramelius, Ora Banda, Spartan, Bellevue Major resource growth delivered cheaply 1.3Moz resource upgrade in 2025 (1,500% increase) for ~$25/oz A Quality Team with a Track Record of Discovery and Development Rapid and efficient deployment of capital Strong geology credentials Discovery, growth, mining at Northern Star, Spartan, Saracen, Spectrum, BHP , Bellevue Dean Hely – Non-Executive Chair Lavan Legal Simon Lawson – Non-Executive Director Spartan, Ramelius, Northern Star, Torque Alex Hewlett – Non-Executive Director Spectrum, Delta Lithium, Wildcat Kelvin Flynn – Non-Executive Director Goldman Sachs, MinRes, Vault Craig Jones – Non-Executive Director Northern Star, Bellevue, Spartan, Torque Charles Hughes – Chief Executive Officer Northern Star, Saracen, Bellevue, Delta Lithium Matt Crowe – Exploration Manager BHP , Dreadnaught Kelly Moore – Company Secretary Daniel Kendall – Chief Financial Officer Delta Lithium, venture capital, BDO Jarrod Ramadan – Principal Engineer/Studies Ora Banda, Ramelius, Anglo Gold
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gorillagold8.com | ASX:GG8 17 SHARES ON ISSUE 732M CASH as at 30 June 26 $19.7M MARKET CAP $0.30 $220M SHARE PRICE ANALYST COVERAGE Corporate Snapshot ASX:GG8 19% 17% 9% 7% 49% Board & Management Institutional 1832 Genesis Balance of shareholders Significant shareholders
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gorillagold8.com | ASX:GG8 18 Why GG8…Why Now? Six Recent Discoveries Validate District-scale Upside across portfolio • Lakeview south, Sovereign Footwall and emerging regional targets demonstrate repeatable high-grade mineralisation across extensive structural corridors Aggressive Drilling Campaign Underway And Gaining Momentum • ~150,000m drilling program underway with rigs operating across both projects and continuous assay flow expected Large-scale Exploration Upside • ~64km of mineralised structures identified with only ~5.5km systematically drilled at the North Kalgoorlie Hub High-grade Development Optionality • Permitted and near-permitted underground opportunities with proximity to multiple operating mills and existing infrastructure Well-funded For Growth • ~$19.7m in cash and no debt supports one of the most aggressive junior gold drilling campaigns currently underway in WA Multiple discoveries driving rapid, high-grade resource growth CONTINUOUS NEWS FLOW EXPECTED MULTIPLE rigs operating across multiple targets with ongoing: • Growth drilling • Discovery drilling • In-fill drilling • Underground development studies • Permitting milestones • Resource growth updates “Gorilla is rapidly evolving from a resource growth story into an emerging district- scale gold discovery platform. ”
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gorillagold8.com | ASX:GG8 19 admin@gg8.com.au www.gorillagold8.com.au Contact Charles Hughes | CEO
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gorillagold8.com | ASX:GG8 20 Image: Comet Vale Appendices
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gorillagold8.com | ASX:GG8 21 Mineral Resource Statements Indicated Inferred Total Category Tonnage (Mt) Au Grade (g/t) Au Moz Tonnage (Mt) Au Grade (g/t) Au Moz Tonnage (Mt) Au Grade (g/t) Au Moz Comet Vale 1.7 4.1 0.22 5.6 3.5 0.64 7.3 3.7 0.86 Mulwarrie 1.3 2.8 0.11 1.8 4.2 0.24 3.0 3.6 0.35 Vivien 0.2 4.9 0.03 2.0 4.1 0.25 2.1 4.1 0.28 WA Total 3.2 3.5 0.4 Moz 9.4 3.8 1.1 Moz 12.4 3.8 1.5 Moz Labyrinth - - - 3.0 5.0 0.5 3.0 5.0 0.5Moz Total 3.2 3.5 0.4 Moz 12.4 4.0 1.6 Moz 15.4 4.0 2.0 Moz Global Mineral Resource – Australia and Canada
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gorillagold8.com | ASX:GG8 22 Mineral Resource Statements The Company confirms that it is not aware of any new information or data that materially affects the information as previously released on 15 December 2025 and all material assumptions and technical parameters underpinning the estimate continue to apply and have not materially changed. Comet Vale Gold Project Method Category Tonnes (kt) Grade (Au g/t) Au (koz) Open Pit Indicated 1,300 4.3 180 Inferred 2,400 2.3 180 Sub-total 3,700 3.0 350 Underground Indicated 400 3.7 50 Inferred 3,200 4.5 460 Sub-total 3,600 4.4 510 Total All Categories 7,300 3.7 860 Notes: • Open Pit (OP) resources are constrained within optimised pit shells based on A$4,000 per ounce gold price and reported at 0.5 g/t Au cut-off grade. • Underground (UG) resources are evaluated below the optimised pit shell and constrained within mineable shapes designed at 1.1 g/t gold cut-off grade and reported within the mineralised domains. • All figures are rounded to reflect appropriate levels of confidence. Apparent differences may occur due to rounding.
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gorillagold8.com | ASX:GG8 23 Mineral Resource Statements The Company confirms that it is not aware of any new information or data that materially affects the information as previously released on 4 August 2025 and all material assumptions and technical parameters underpinning the estimate continue to apply and have not materially changed. Mulwarrie Gold Project Method Category Tonnes (kt) Grade (Au g/t) Au (koz) Open Pit Indicated 1,200 2.7 110 Inferred 850 4.0 110 Sub-total 2,100 3.3 220 Underground Indicated 34 3.1 3.3 Inferred 900 4.3 130 Sub-total 940 4.3 130 Total All Categories 3,000 3.6 350 Notes: • Open Pit (OP) resources are constrained within optimised pit shells based on A$4,000 per ounce gold price and reported at 0.5 g/t Au cut-off grade. • Underground (UG) resources are evaluated below the optimised pit shell and constrained within mineable shapes designed at 1.1 g/t gold cut-off grade and reported within the mineralised domains. • All figures are rounded to reflect appropriate levels of confidence. Apparent differences may occur due to rounding.
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gorillagold8.com | ASX:GG8 24 Mineral Resource Statements The Company confirms that it is not aware of any new information or data that materially affects the information as previously released on 14 April 2025 and all material assumptions and technical parameters underpinning the estimate continue to apply and have not materially changed. Vivien Gold Project Category Tonnage (Mt) Grade (Au g/t) Au (koz) Indicated 0.15 4.9 24 Inferred 1.95 4.1 254 Total 2.1 4.1 278 Notes: • Open Pit (OP) resources are constrained within optimised pit shells based on A$3,500 per ounce gold price and reported at 0.5 g/t Au cut-off grade. • Underground (UG) resources are evaluated below the optimised pit shell and constrained within mineable shapes designed at 1.5 g/t gold cut-off grade and reported within the mineralised domains. • All figures are rounded to reflect appropriate levels of confidence. Apparent differences may occur due to rounding.
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gorillagold8.com | ASX:GG8 25 The Company confirms that it is not aware of any new information or data that materially affects the information as previously released on 27 September 2022 and all material assumptions and technical parameters underpinning the estimate continue to apply and have not materially changed. Mineral Resource Statements Labyrinth Gold Project Lode Tonnes (Mt) Grade (Au g/t) Au (koz) Boucher 1 5.7 190 McDowell 1 4.5 150 Talus 0.7 5.3 110 Front West 0.2 2.7 20 Shaft 0.1 5.5 30 Total (Inferred) 3.0 5.0 500 Notes: • Reported at a 3g/t.m accumulation (grade x vein thickness) cut-off and depleted for historical mining. • The Mineral Resource is classified in accordance with the JORC Code (2012). • The effective date of the Mineral Resource estimate is 25 August 2022. • Estimates are rounded to reflect the level of confidence in the Mineral Resource at present. All resource tonnages have been rounded to the first significant figure. Differences may occur in totals due to rounding • Mineral Resource is reported as a global resource.
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gorillagold8.com | ASX:GG8 26 Relevant releases • Sovereign Footwall Grows Beyond 1km (3 September 2026) • Discovery Continues to Grow at Vivien (21 July 2026) • New High-Grade Gold Discoveries at Vivien (21 July 2026) • High Grade Growth Results & Comet Vale Discovery Drilling (23 June 2026) • High Grade zone at Sovereign Grows (29 May 2026) • Fourth Gold Discovery in Three weeks at Comet Vale (11 May 2026) • High Grade Discovery at Sovereign (4 May 2026) • New Discoveries at Comet Vale (28 April 2026) • High Grade Hits from Comet Vale (8 April 2026) • Mulwarrie High Grade Gold Intercept Beyond Resource 18 March 2026) • Thick Drilling Intercepts at Comet Vale (23 February 2026) • Mulwarrie Drilling Resumes and Further High-Grade Intercepts (27 January 2026) • Major Resource Upgrade for Comet Vale (15 December 2025) • Mulwarrie Met Results and Drilling Commenced (24 November 2025) • High-Priority Surface Geochem Targets - Comet Vale/Mulwarrie (17 October 2025) • Mulwarrie High-Grade Step Outs (3 October 2025) • Lakeview Metallurgy Update (5 August 2025) • Mulwarrie Resource Update (4 August 2025) • High grade diamond results from Mulwarrie (12 June 2025) • Maiden Gorilla Mineral Resource Estimate for Vivien Project 1(5 April 2025) • Reporting on Genesis Minerals Mulwarrie Project (18 November 2024) • Review of historical Vivien and Comet Vale databases (13 September 2024) • Labyrinth Resource Estimate 2022 (27 September 2022) The Company confirms that it is not aware of any information or data that materially affects the information included in the said original announcements and the form and context in which the Competent Persons’ findings are presented have not materially modified from the original market announcements. This presentation refers to historical ASX releases: