Mammoth Minerals Limited · ASX:M79
Mammoth Minerals — RIU Explorers Conference 2026
27 slides from Mammoth Minerals's conference presentation, Feb 17, 2026
Slide 1: Corporate Presentation – February 2026
Corporate Presentation – February 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 $46.5m 4.80% Bella - Au Skyline – Cu-Ag-Zn Excelsior - Au 9.69% Blue Dick Ag-Au-Cu-Sb 559m 5.01% 97.4m Picha - Cu 5.10% Charaque - Cu York Harbour Metals Athena Gold Corp 1832 Asset Management L.P Board & Management
Slide 5: Key Value Drivers
ASX : M79 Mammoth Minerals Limited Key Value Drivers For personal use only 1. Active RC Drilling programs targeting resource definition and extension drilling across the 7km long Buster Trend, last RC drill program hit 51.8m at 4.01g/t Au Advancing pipeline of targets Data consolidation, reprocessin
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: 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 8
Slide 9: Nevada, USA - Gold: Commanding Land Position
Nevada, USA - Gold ASX : M79 Mammoth Minerals Limited Commanding Land Position Over 88km2 of Highly prospective claims in a proven gold district For personal use only Buster Trend Blue Dick Trend 5Refer to www.a2gold.com/en/projects/west-goldfield/ 9
Slide 10: 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 For personal use only 6.32m at 2.10g/t Au from 26.0m Historic Buster 25.2m at 1.05g/t Au from 34.5m UG Min
Slide 11: Blue Dick – Rich History, Rich Veins
Nevada, USA - Gold ASX : M79 Blue Dick – Rich History, Rich Veins Mammoth Minerals Limited • Gold/Silver-Lead-Zinc Carbonate Replacement type deposit (CRD) For personal use only • Potential Heat and fluid source on northern intrusive within Mammoth Claims • Last operated in the 1960s • Significant s
Slide 12: 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 opportunity For personal use only • High-grade polymetallic vein system • Over 3km of strike on parallel trends of historic workings • Recently expanded land position
Slide 13: 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 13
Slide 14: Bella – Overview
South Dakota, USA - Gold ASX : M79 Bella – Overview Mammoth Minerals Limited HIGH-GRADE, SCALEABLE OPPORTUNITY For personal use only 14
Slide 15: 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 15
Slide 16: Bella – Refining Priority targets
South Dakota, USA - Gold ASX : M79 Bella – Refining Priority targets Mammoth Minerals Limited Data Mining and Processing For personal use only Geophysical Reprocessing and Interpretation 3D Geological Modelling Mapping, Sampling and Targeting 16
Slide 17: Copper Projects in Favourable Jurisdictions
ASX : M79 Mammoth Minerals Limited Skyline Project Copper Projects in For personal use only Cu-Zn-Ag Favourable Jurisdictions Charaque Newfoundland Peru Picha Cu-Ag CANADA SOUTH AMERICA Cu-Ag 17
Slide 18: 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 18
Slide 19: 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’ 19
Slide 20: 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 21: 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 22: 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 22
Slide 23: 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 23
Slide 24: 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 24
Slide 25: 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 25
Slide 26: Key Reasons to Invest
ASX : M79 Mammoth Minerals Limited Mammoth Minerals For personal use only Key Reasons to Invest RC campaign ongoing expanding the extents of the Buster Mine Trend, pipeline of priority targets developing from BUSTER TREND, NEVADA - Au geophysics and surface mapping Targeted mapping and sampling the
Slide 27: Mammoth Minerals
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 27