Mammoth Minerals Limited · ASX:M79

Mammoth Minerals — Investor Presentation (September 2026)

33 slides from Mammoth Minerals's investor presentation, September 2026

  1. Slide 1: Corporate Presentation – September 2026

    Corporate Presentation –September 2026 Mammoth Minerals ASX : M79 1

  2. 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

  3. 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 EXECUTIVE CHAIR MANAGING DIRECTOR & CEO NON-EXECUTIVE DIRECTOR NON-EXECUTIVE DIRECTOR Rob has a wealth of experience globally Glenn is an e

  4. Slide 4: Corporate Overview

    ASX : M79 Mammoth Minerals Limited Corporate Overview ASX-M79 $22m Bella - Au 4.80% Skyline – Cu-Ag-Zn Excelsior Au-Ag-Cu 559m 9.69% 97.4m 5.10% Picha - Cu Charaque - Cu York Harbour Metals Athena Gold Corp Board & Management 4

  5. Slide 5: Key Value Drivers

    ASX : M79 Mammoth Minerals Limited Key Value Drivers 1. Active RC Drilling program at Blue Dick Prospect – First ever drill holes across 6.5km of strike Drilling across multiple Silver, Gold and critical minerals targets Shallow Gold Mineralisation across Advancing pipeline of targets Critical Miner

  6. Slide 6: Value Proposition – Gold & Silver

    ASX : M79 Value Proposition – Gold & Silver Mammoth Minerals Limited Substantial Exposure to High-Grade USA BELLA Gold-Silver Projects Au EXCELSIOR SPRINGS Au Ag Excelsior Springs Bella Nevada, USA South Dakota, USA Au, Ag, Cu , Sb Au 6

  7. 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 Operating Environment Cost Structure 7

  8. Slide 8: Heap leach Gold– Metrics in Focus

    ASX : M79 Heap leach Gold– Metrics in Focus Mammoth Minerals Limited US Open Pit Gold Mines – Heap leach Dominated Reserve/Resource Grade (g/t Au) 0.5g/t Au Fort Knox • Heap leach Extraction employed across numerous Hycroft Pan US states and global mining jurisdictions since Florida Canyon Mountain

  9. Slide 9: Great (Basin) Opportunity

    ASX : M79 Great (Basin) Opportunity Mammoth Minerals Limited Building Blocks of multimillion ounce deposits Gold Deposits Intrusive Stock 9

  10. Slide 10: 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 5Refer to https://a2gold.com/project/other/ 10

  11. 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 6.32m at 2.10g/t Au from 26.0m Historic

  12. 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 Railroad Springs Target “Carlin-style” mineralisation • Over 6.5km of drilling completed across 2 target zones

  13. 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 • Pre-curser to conventional heap leach methods • Imperial Mine has a strike of over 1.3km of adits and historic shafts • Historic

  14. Slide 14: Railroad Springs Trend

    Nevada, USA - Gold ASX : M79 Railroad Springs Trend Mammoth Minerals Limited • Part of Mineral Claim staking completed Q1 2026 • Broad Trend of historic Shafts and workings • Parallel Trend to Imperial Fault – Same host lithology • Strike of over 650m • Silver dominant with supporting gold grades •

  15. Slide 15: 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 Replacement type deposit (CRD) • Significant stope fronts open to surface • Limited Mining Extents – Open strike Mineralisation • Shallow development – Open at Depth •

  16. Slide 16: Blue Dick Polymetallic System

    Nevada, USA - Gold ASX : M79 Blue Dick Polymetallic System Mammoth Minerals Limited • RC Drilling program underway across priority zones – Assays Pending • High-grade polymetallic vein system underpinned by significant gold values • Cumulative strike length of over 7km of historic workings – Samplin

  17. Slide 17: Defined Polymetallic Targets

    Nevada, USA - Gold ASX : M79 Defined Polymetallic Targets Mammoth Minerals Limited • Strong grade continuity over significant 250m strike length – remains open • Significant historical workings targeting High-grade polymetallic vein system – Carbonate Replacement Type Deposit • Hosting Gold and 5 el

  18. Slide 18: Defined Polymetallic Targets

    Nevada, USA - Gold ASX : M79 Defined Polymetallic Targets Mammoth Minerals Limited • Significant Copper Grades supported by strong Gold and Silver values at surface • Over 550m of strike proven and trend remains open to the North • Key target for drilling commencing in Q3 – the first modern explorat

  19. Slide 19: 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 and sampling activities • Kentucky Trend: Rock chip results of up to 5,580g/t Ag, >1% Sb, 2.46g/t Au 1

  20. Slide 20: South Dakota – 145 Years of Mining

    South Dakota, USA - Gold ASX : M79 South Dakota – 145 Years of Mining Mammoth Minerals Limited Scale, Grade & Unquantified Potential 20

  21. Slide 21: Bella – Overview

    South Dakota, USA - Gold ASX : M79 Bella – Overview Mammoth Minerals Limited HIGH-GRADE, SCALEABLE OPPORTUNITY 21

  22. Slide 22: Jackpot trend - 20km from Homestake Mine

    South Dakota, USA - Gold ASX : M79 Mammoth Minerals Limited Jackpot trend - 20km from Homestake Mine 22

  23. Slide 23: Copper Projects in Favourable Jurisdictions

    ASX : M79 Mammoth Minerals Limited Skyline Project Copper Projects in Cu-Zn-Ag Favourable Jurisdictions Charaque Newfoundland Peru Picha Cu-Ag CANADA SOUTH AMERICA Cu-Ag 23

  24. Slide 24: Skyline Copper

    Newfoundland, Canada - Copper ASX : M79 Skyline Copper Mammoth Minerals Limited HIGH-GRADE OPPORTUNITY SKILLED WORKFORCE & YEAR-ROUND OPERATIONS MINING-FRIENDLY JURISDICTION EXCEPTIONAL ACCESS & INFRASTRUCTURE 24

  25. Slide 25: Cyprus Style - The Original Copper Deposit

    Newfoundland, Canada - Copper ASX : M79 Cyprus Style - The Original Copper Deposit Mammoth Minerals Limited Governor’s Target Zone A Setting the Geological Scene A’ 25

  26. Slide 26: 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 s

  27. Slide 27: 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 defined a target that aligns with stratigraphic sequence • Coincidental with sulphide samples at surface • Advanced dr

  28. Slide 28: Peru Copper Projects Overview

    ASX : M79 Peru Copper Projects Overview Mammoth Minerals Limited • Peru is the 2nd largest global producer of copper and silver: • Mining accounts for 12% of GDP and 60% of exports 28

  29. Slide 29: Picha Copper Project

    Picha, Peru - Copper ASX : M79 Picha Copper Project Mammoth Minerals Limited Mammoth Minerals Anta Q’ilqa Target Ichucollo Target Anta Qilqa Target 2.0 x 1.2km Hydrothermal alteration and Muscovite-Pyrite-Kaolinite footprint 29

  30. Slide 30: Picha Copper Geophysics

    Picha, Peru - Copper ASX : M79 Picha Copper Geophysics Mammoth Minerals Limited Anta Q’ilqa Target Low Mag Response correlates to mapped alteration zone 2.0 x 1.2k 30

  31. Slide 31: Picha Copper Geophysics

    Picha, Peru - Copper ASX : M79 Picha Copper Geophysics Mammoth Minerals Limited Anta Q’ilqa Target Anta Q’ilqa Target Ichucollo Low Resistivity Target High Resistivity Zone 2.0 x 1.2k 31

  32. Slide 32: Key Reasons to Invest

    ASX : M79 Mammoth Minerals Limited Mammoth Minerals Key Reasons to Invest BLUE DICK, NEVADA – Au/Ag-Cu-Sb Active RC program underway targeting high grade trends identified in the recent field mapping programs Drill targets returning significant Silver, Gold and Critical mineral values with potential

  33. Slide 33: Mammoth Minerals

    ASX : M79 Mammoth Minerals Limited Mammoth 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 33

Mammoth Minerals — Investor Presentation (September 2026) on 6ix