Great Divide Mining Ltd · ASX:GDM
Great Divide Mining — Australian Gold Conference (July 2025)
22 slides from Great Divide Mining's conference presentation, Oct 15, 2025
Slide 1: Australian Gold Conference: Australia's Newest Gold Producer
For personal use only Australian Gold Conference Australia’s Newest Gold Producer Great Divide Mining Ltd ACN 655 868 803 ASX:GDM 28 July, 2025
Slide 2: Disclaimer
DISCLAIMER For personal use only Nature of Document: This presentation has been prepared and issued by Great Divide Mining 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 repr
Slide 3: For personal use only
For personal use only GREAT DIVIDE MINING ASX:GDM 3
Slide 4: From listed explorer to miner and producer in under 2 years
For personal use only GDM … from listed Explorer, 25 Aug 2023 ... to Miner & Producer, 16 Jul 2025 ... in under 2-Years 4 GREAT DIVIDE MINING ASX:GDM 4
Slide 5: Contents
Contents For personal use only 1.Why Gold ? 2.Why GDM ? 3.About GDM. 4.Our First Two Years. 5.Our Projects. 6.Our Next Two Years. GREAT DIVIDE MINING ASX:GDM 5
Slide 6: Why Gold? Lithium prices for last 5 years
WHY GOLD? For personal use only Lithium Prices for last 5-years - $US/Kg https://www.dailymetalprice.com/metalpricecharts.php?c=li&u=kg&d=1200 GREAT DIVIDE MINING ASX:GDM 6
Slide 7: Why Gold? Gold prices for last 100 years
WHY GOLD? Gold Prices for last 100-years - $US/oz For personal use only https://www.macrotrends.net/1333/historical-gold-prices-100-year-chart GREAT DIVIDE MINING ASX:GDM 7
Slide 8: Why GDM?
WHY GDM? For personal use only • Focus on cashflow • Targeting production while prices increasing • Exploration upside, de-risked by production • Hands-on team supplemented with experienced contractors • Low-cost and rapid commercialisation • Brown-field strategy GREAT DIVIDE MINING ASX:GDM 8
Slide 9: About GDM: share price since listing
ABOUT GDM For personal use only GDM share price since listing Aug 2023 asx:gdm GREAT DIVIDE MINING ASX:GDM 9
Slide 10: GDM's First Two Years
GDM’S FIRST TWO YEARS For personal use only Challenger Gold • 51% equity in Challenger Gold Mine and Processing Plant, First pour July 2025 Mine • Continuous production pending minor low CAPEX upgrade • Near-mine resources upside Devil’s Gold • Gympie look-alike within 2 hours of Brisbane Copper Mou
Slide 11: Our Projects
For personal use only OUR PROJECTS GDM … from listed Explorer to Miner & Producer in under 2-Years GREAT DIVIDE MINING ASX:GDM 11
Slide 12: Challenger Gold Mine
CHALLENGER GOLD MINE For personal use only Existing gold miner and producer in historically proven area 800 Koz historical production @ up to 45g/t 68 km2 Exploration permit; 1.5 km2 Mining permit 188 Koz JORC Resource Open-cut & under-ground opportunities Operating permits in place Existing process
Slide 13: Challenger Key Metrics
CHALLENGER KEY METRICS For personal use only Resources 80,000 Oz at • Historical mining produced 800,000 Oz – 400,00 alluvial and 400,000 underground Challenger + • ML has 5 known reefs, none drilled out; EL has over 10 more reefs, little drilling targets • Challenger is first defined resource; not
Slide 14: Challenger Resources
CHALLENGER RESOURCES For personal use only “ Historic Mine Plan with resources envelopes • Proposed mining areas limited to drilling • Historic mined areas contain significant resources 14 GREAT DIVIDE MINING ASX:GDM 14
Slide 15: Queensland Exploration Assets
QUEENSLAND EXPLORATION ASSETS For personal use only Gold - Antimony - Copper 4 gold and critical metals exploration projects in Queensland; “ 15 highly prospective exploration tenements with work on-ground already Every brown-field undertaken by GDM site recommissioned means we’ve High grade mineral
Slide 16: Coonambula
COONAMBULA For personal use only Advanced Antimony and Gold exploration near historic mines in known gold region Farm-out to Dart Mining NL (ASX:DTM) - DTM has rapidly $250,000 for initial 15% equity, increasing to 51% on completion of advanced 4,000m of drilling and 2 resource reports. exploration
Slide 17: Coonambula Exploration
COONAMBULA EXPLORATION For personal use only “GDM’s strategic partnership with DTM has proven a win-win for both Companies.” Justin Haines CEO, Great Divide Mining GREAT DIVIDE MINING ASX:GDM 17
Slide 18: Devils Mountain
DEVILS MOUNTAIN For personal use only Advanced Gold and Copper project centered within historic gold mine area Extensive historic workings + limited modern exploration = significant upside potential Historical drill intercepts: • 7m @ 11.45g/t Au • 3m @ 4.51 g/t Au • 2m @ 11.04g/t Au Rock chip sampl
Slide 19: Yellow Jack
YELLOW JACK For personal use only Advanced Gold project - Initial JORC Mineral Resource Estimate - 51kOz Gold. Extensive historical drilling across 170+ open holes GDM completed 17 RC and 3 cored holes - Dec 2023 7m @ 4.1g/t Au, 16m @ 3.5g/t Au, with historic resource of shallow oxide gold, open in
Slide 20: Cape
CAPE For personal use only Two significant historical exploration sites Three tenements at Bonanza and New Goldfield Bonanza, a copper-gold project, is within the Chillagoe Formation which hosts the Mungana and Red Dome deposits New Goldfield has significant REE – Rare Earth Elements in stream sedim
Slide 21: GDM's Next Two Years
GDM’S NEXT TWO YEARS For personal use only Challenger Mine Gold • Develop continuous mining operation at >15,000 kOz per annum then scale up • Undertake resource expansion drilling, expand mining to suit Devil’s Mountain Gold Copper • Advance exploration at Devils Mountain Gold prospect – define gol
Slide 22: Summary
SUMMARY For personal use only “ “Great Divide Mining will own, “Every brown-field mine, process and sell its’ site recommissioned own resources” means we’ve protected another Justin Haines CEO piece of the Great Divide Mining environment.” e. justin.haines@greatdividemining.com.au Paul Ryan m. 0418
Great Divide Mining — Australian Gold Conference (July 2025) on 6ix