Great Northern Minerals Limited · ASX:GNM
Great Northern Minerals — Investor Presentation (May 2026)
17 slides from Great Northern Minerals's investor presentation, May 2026
Slide 1: Unlocking Historical Value in the U.S.
UNLOCKING HISTORICAL VALUE IN THE U.S. MAIDEN JORC RESOURCE IMMINENT AT THE IRON BUTTE GOLD-SILVER PROJECT ASX: GNM Corporate Presentation May 2026 1
Slide 2: Disclaimer
Disclaimer This presentation has been prepared by Great Northern Minerals Ltd ACN 000 002 111 (‘GNM’ or the ‘Company’) for the purpose of providing general background FOR CONSIDERATION information about the Company as at the date of the presentation. It is not intended for distribution to, or use by
Slide 3: Corporate Snapshot
Corporate Snapshot BOARD AND MANAGEMENT 491,613,693 $17.2m Shares on issue (undiluted) Market capitalisation ($0.035 @ 18/05/26) $4.2m 1 $13m Cash at bank Enterprise value GNM Share Price 0.12 ASX: LKY | GNMresources.com.au EDDIE KING CLARISSA CHUA Non-Executive Chairman Non-Executive Director 0.1 0
Slide 4: US Project Portfolio
US Project Portfolio Iron Butte (Gold-Silver) / Catalyst Ridge (Antimony, Rare Earths) • Prominent landholdings in tier-one mining jurisdictions • Exposure to a suite of precious and critical minerals all with favourable market fundamentals • Projects in close proximity to major deposits (Iron Butte
Slide 5: Iron Butte Gold-Silver
Iron Butte Gold-Silver Advanced exploration project | Nevada, USA • Nevada ranked as the no.1 mining investment jurisdiction worldwide as judged by Fraser Institute 2025 survey • Positioned on the western edge of the Battle Mountain–Cortez Trend, one of the world’s most Iron Butte prolific gold belt
Slide 6: Iron Butte Gold-Silver: Nevada, home of giant gold systems
Iron Butte Gold-Silver Nevada, home of giant gold systems • Located on the western edge of the Battle Mountain– Eureka Trend, one of Nevada’s most prolific gold belts • Nearby trends are controlled by long-lived crustal fault systems, which concentrate gold mineralisation • Nearby districts (e.g. Co
Slide 7: Iron Butte – Geology & Deposit Style
Iron Butte – Geology & Deposit Style 148 Holes Highly Prospective Structural Setting Total Historical Drilling Located on the margin of the Caetano Caldera at the intersection of caldera ring fractures and north–south range-front faults along the Shoshone 23,032m across the project claims Range. 500
Slide 8: Iron Butte – Mineralisation Overview
Iron Butte – Mineralisation Overview Highlight Drilling Intersections 29.2m @ 2.0 g/t Au, 32.8 g/t Ag from 62.5m (CC09-02) 21.3m @ 1.5 g/t Au, 52.8 g/t Ag from 28.9m within 97.3m @ 0.7 g/t Au (H31-82) 21.3m @ 1.2 g/t Au, 53.8 g/t Au from 28.9m within 91.4m @ 0.6 g/t Au (H32-82) 19.8m @ 1.6 g/t Au, 4
Slide 9: Iron Butte – Geochemical Review & Drill Targets
Iron Butte – Geochemical Review & Drill Targets 1 Geochemical Review Identifies Drill Targets Two untested, high-priority drill targets identified – Iron Butte North (400 × 250 m) and Iron Butte East (200 × 200 m). Targets lie along strike and in similar geological settings to known mineralisation,
Slide 10: Iron Butte – Deal Structure & Path Forward
Iron Butte – Deal Structure & Path Forward DEAL STRUCTURE PATHWAY FORWARD Lease Term: 10 years exclusive rights 1 Validate existing database Compile QAQC data for JORC-compliant resource estimation Signing Payment: US$100,000 2 Field validation visit Annual Payments: US$120k–$180k (capped) Confirm c
Slide 11: Iron Butte – Peer Comparison
Iron Butte – Peer Comparison GNM / Iron Butte Borealis Mining Black Bear Minerals Aspect SNM (ASX:SNM) Nevada King (TSXV:NKG) (ASX:GNM) (TSXV:BOGO) (ASX: BKB) Nevada Nevada (Battle Mountain-Eureka Nevada Nevada Jurisdiction Montana (Battle Mountain) & Texas Trend, near Cortez), #1 (Battle Mountain)
Slide 12: Catalyst Ridge Project
Catalyst Ridge Project Antimony Gulch emerges as early priority • Detailed geological mapping and interpretation completed on Antimony Gulch vein system • Previous assays from this area returned up to 7.1% antimony, 0.4% tungsten and 23.3 g/t silver • Mapping validates previous discovery and extends
Slide 13: Catalyst Ridge Project
Catalyst Ridge Project Near-surface antimony, gold-silver at depth • Located in the southern portion of the prolific Walker Lane Mineral Belt renowned for its high-grade epithermal gold-silver deposits • Similar geological and structural setting to Dateline Resources’ (ASX:DTR) nearby Colosseum Gold
Slide 14: Douglas Creek
Douglas Creek Drilling Confirms Near-Surface Mineralisation • Initial RC drilling (2023) intersected: Advancing Toward Drill-Ready Targets • 1m @ 2.1 g/t Au, 28.1 g/t Ag, 0.1% Cu from 9m • 7.0m @ 20.7 g/t Ag, 0.1% Cu from 12m • Widespread disseminated sulphides (up to 5% pyrite, 1% chalcopyrite) • P
Slide 15: Next steps
Next steps Iron Butte Catalyst Ridge Compile and validate historical Douglas Creek Secure geological permit to allow for DDIP survey to assist drilling and geological datasets in refining drill targets Complete DDIP survey Secure mineral prospecting Development of maiden Inferred permit, clearing th
Slide 16: Investor Highlights
Investor Highlights Multi-Commodity Focus Well Funded Valuation Upside Exposure to gold, silver, Asset sales and equity raising Strong potential to re-rate antimony and rare earths – all equip GNM with more than on the back of maiden JORC- of which are tracking at our $4 million in cash to compliant
Slide 17: For more information contact Scott Downsborough
For more information contact Scott Downsborough General Manager Tel: +61 8 9481 0389 ASX: GNM greatnorthernminerals.com.au 17
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