Mammoth Minerals Limited · ASX:M79
Mammoth Minerals — RIU Sydney Resources Roundup (May 2026)
30 slides from Mammoth Minerals's conference presentation, May 6, 2026
Slide 1: Corporate Presentation – May 2026
Corporate Presentation – May 2026 For personal use only Mammoth Minerals ASX : M79 1
Slide 2: Disclaimer
ASX : M79 DISCLAIMER Mammoth Minerals Limited This presentation contains summary information about Mammoth Minerals Limited (Mammoth) (ACN 651 The information in this presentation that relates to Exploration Results from the Excelsior & Bella Projects, USA, Picha & 057 822) and is current as of cove
Slide 3: Directors & Key Management
ASX : M79 Mammoth Minerals Limited Directors & Key Management COLLECTIVELY INVOLVED IN THE DISCOVERY OF >10Moz Au Rob Jewson Glenn Poole Simon Lawson Kevin Puil For personal use only EXECUTIVE CHAIR MANAGING DIRECTOR & CEO NON-EXECUTIVE DIRECTOR NON-EXECUTIVE DIRECTOR Rob has a wealth of experience
Slide 4: Corporate Overview
ASX : M79 Mammoth Minerals Limited Corporate Overview For personal use only ASX-M79 $40m Bella - Au 4.80% Skyline – Cu-Ag-Zn Excelsior - Au Blue Dick Ag-Au-Cu-Sb 559m 9.69% 97.4m 5.10% Picha - Cu Charaque - Cu York Harbour Metals Athena Gold Corp Board & Management 4
Slide 5: Key Value Drivers
ASX : M79 Mammoth Minerals Limited Key Value Drivers For personal use only 1. RC Drilling programs targeting resource definition and extension drilling across the 7km long Buster Trend, with recent drilling including 33.5m @ 1.25g/t from surface Advancing pipeline of targets Critical Minerals Exposu
Slide 6: Value Proposition - Gold
ASX : M79 Value Proposition - Gold Mammoth Minerals Limited Substantial Exposure For personal use only to High-Grade USA BELLA Gold Projects Au EXCELSIOR SPRINGS Au Ag Excelsior Springs Bella Nevada, USA South Dakota, USA 6
Slide 7: Nevada - The Heart of Gold Mining in USA
ASX : M79 Nevada - The Heart of Gold Mining in USA Mammoth Minerals Limited World-Class Endowment and Production For personal use only Operating Environment Cost Structure 7
Slide 8: Heap leach – Metrics in Focus
ASX : M79 Heap leach– Metrics in Focus Mammoth Minerals Limited US Open Pit Gold Mines – Heap leach Dominated Reserve/Resource Grade (g/t Au)* 0.5g/t Au For personal use only Fort Knox • Heap leach Extraction employed across numerous US Hycroft Pan states and global mining jurisdictions since incept
Slide 9: Great (Basin) Opportunity
ASX : M79 Great (Basin) Opportunity Mammoth Minerals Limited Building Blocks of multimillion ounce deposits For personal use only Gold Deposits Intrusive Stock 9
Slide 10: Nevada, USA - Gold: Commanding Land Position
Nevada, USA - Gold ASX : M79 Mammoth Minerals Limited Commanding Land Position Over 135km2 of Highly prospective claims in a proven mineral district For personal use only Buster 5Refer to www.a2gold.com/en/projects/west-goldfield/ 10
Slide 11: Buster Gold Trend
Nevada, USA - Gold ASX : M79 Buster Gold Trend Mammoth Minerals Limited 51.8m at 4.0g/t Au from 39.6m 24.32m at 1.08g/t Au from 9.15m 33.5m at 5.35g/t Au from 41.2m 14.4m @ 4.33g/t Au from 117m 12.2m at 2.56g/t Au from Surface 16.77m @ 1.57g/t Au from Surface For personal use only 6.32m at 2.10g/t A
Slide 12: Imperial Opportunities
Nevada, USA - Gold ASX : M79 Imperial Opportunities Mammoth Minerals Limited • Historic Gold mine – ceased at commencement WWII • Sediment host, alteration and mineralisation mapped support For personal use only “Carlin-style” mineralisation RailRoad Target • Over 6.5km of drilling completed across
Slide 13: Imperial Gold Mine
Nevada, USA - Gold ASX : M79 Imperial Gold Mine Mammoth Minerals Limited • Significant UG workings exposed at Surface • Historic Gold Extracted on Site via VAT leaching For personal use only • Pre-curser to conventional heap leach methods • Imperial Mine has a strike of over 1.3km of adits and histo
Slide 14: Blue Dick Trend – Critical Minerals in Focus
Nevada, USA - Gold ASX : M79 Blue Dick Trend– Critical Minerals in Focus Mammoth Minerals Limited • Gold/Silver-Lead-Zinc Carbonate For personal use only Replacement type deposit (CRD) • Significant stope fronts open to surface • Limited Mining Extents – Open strike • Shallow development – Open at D
Slide 15: Blue Dick Polymetallic System
Nevada, USA - Gold ASX : M79 Blue Dick Polymetallic System Mammoth Minerals Limited • Yet to be drill tested precious and base metal For personal use only opportunity – Permitting underway • High-grade polymetallic vein system underpinned by significant gold values • Cumulative strike length of over
Slide 16: Building out the pipeline of targets
Nevada, USA - Gold ASX : M79 Building out the pipeline of targets Mammoth Minerals Limited • High calibre Gold and critical minerals Prospects • Extensive historic workings supported by prospecting For personal use only and sampling activities • Kentucky Trend: Rock chip results of up to 5,580g/t Ag
Slide 17: South Dakota – Years of Mining
South Dakota, USA - Gold ASX : M79 South Dakota – 145 Years of Mining For personal use only Mammoth Minerals Limited Scale, Grade & Unquantified Potential 17
Slide 18: Bella – Overview
South Dakota, USA - Gold ASX : M79 Bella – Overview Mammoth Minerals Limited HIGH-GRADE, SCALEABLE OPPORTUNITY For personal use only 18
Slide 19: Jackpot trend - 20km from Homestake Mine
South Dakota, USA - Gold ASX : M79 Mammoth Minerals Limited Jackpot trend - 20km from Homestake Mine For personal use only 19
Slide 20: Copper Portfolio
ASX : M79 Mammoth Minerals Limited Copper Portfolio Skyline Project For personal use only optimisation strategy Cu-Zn-Ag active to support US Gold Strategy Charaque Newfoundland Peru Picha Cu-Ag CANADA SOUTH AMERICA Cu-Ag 20
Slide 21: Skyline Copper
Newfoundland, Canada - Copper ASX : M79 Skyline Copper Mammoth Minerals Limited HIGH-GRADE OPPORTUNITY For personal use only SKILLED WORKFORCE & YEAR-ROUND OPERATIONS MINING-FRIENDLY JURISDICTION EXCEPTIONAL ACCESS & INFRASTRUCTURE 21
Slide 22: Cyprus Style - The Original Copper Deposit
Newfoundland, Canada - Copper ASX : M79 Cyprus Style - The Original Copper Deposit Mammoth Minerals Limited For personal use only Governor’s Target Zone A Setting the Geological Scene A’ 22
Slide 23: Belt Scale VMS target Potential
Newfoundland, Canada - Copper ASX : M79 Belt Scale VMS target Potential Mammoth Minerals Limited Untapped Exploration Opportunity The package offers excellent potential for identifying VMS-style systems identical to the Troodos Ophiolite sequence in Cyprus, over 8km of strike across potential host F
Slide 24: Belt Scale VMS target Potential
Newfoundland, Canada - Copper ASX : M79 Belt Scale VMS target Potential Mammoth Minerals Limited 3D – IP Geophysics directly targeting Governors Target • Ground-based geophysics has For personal use only defined a target that aligns with stratigraphic sequence • Coincidental with sulphide samples at
Slide 25: Peru Copper Projects Overview
ASX : M79 Peru Copper Projects Overview For personal use only Mammoth Minerals Limited • Peru is the 2nd largest global producer of copper and silver: • Mining accounts for 12% of GDP and 60% of exports 25
Slide 26: Picha Copper Project
Picha, Peru - Copper ASX : M79 Picha Copper Project Mammoth Minerals Limited Mammoth Minerals Anta Q’ilqa Target For personal use only Ichucollo Target Anta Qilqa Target 2.0 x 1.2km Hydrothermal alteration and Muscovite-Pyrite-Kaolinite footprint 26
Slide 27: Picha Copper Geophysics
Picha, Peru - Copper ASX : M79 Picha Copper Geophysics Mammoth Minerals Limited Anta Q’ilqa Target For personal use only Low Mag Response correlates to mapped alteration zone 2.0 x 1.2k 27
Slide 28: Picha Copper Geophysics
Picha, Peru - Copper ASX : M79 Picha Copper Geophysics For personal use only Mammoth Minerals Limited Anta Q’ilqa Target Anta Q’ilqa Target Ichucollo Low Resistivity Target High Resistivity Zone 2.0 x 1.2k 28
Slide 29: Key Reasons to Invest
ASX : M79 Mammoth Minerals Limited Mammoth Minerals For personal use only Key Reasons to Invest Drill programs completed extending of the Buster Mine Gold Trend to underpin maiden mineral resources. BUSTER TREND/IMPERIAL, NEVADA - Au Drill targeting from historic drilling and UG Mapping at Imperial
Slide 30: Mammoth Minerals Contact
ASX : M79 Mammoth Minerals Limited Mammoth For personal use only Minerals ASX : M79 Investors: Media: Glenn Poole Nicholas Read Managing Director & CEO Read Corporate Mammoth Minerals Limited +61 8 9388 1474 +61 (08) 9322 2338 info@readcorporate.com.au info@m79.com.au www.mammothminerals.com.au 30
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