Minerals 260 Limited · ASX:MI6
Minerals 260 — Diggers & Dealers Mining Forum 2025
27 slides from Minerals 260's conference presentation, Aug 4, 2025
Slide 1: Advancing one of Australia's largest undeveloped gold projects
ASX: MI6 Advancing one of Australia’s largest undeveloped gold projects 2.3Moz Bullabulling Gold Project Diggers & Dealers and Site Visit Presentation 4 August 2025 Luke McFadyen, Managing Director
Slide 2: Important Notes and Disclaimer
Important Notes and Disclaimer Overview Competent Person Statement This presentation contains summary information about Minerals 260 Limited (ACN 650 766 911) (Company) and is current as of the cover date. The information in The information in this presentation that relates to the Mineral Resource E
Slide 3: Minerals 260 (ASX: MI6) Corporate Overview
Minerals 260 (ASX: MI6) Corporate Overview Corporate Structure1 Substantial Shareholders2 Shareholder Profile Shares on Issue 2,150M Samuel Terry 7.4% 8% Unlisted Options 41.85M Tim Goyder, Chairman 7.3% Share Price 10c BlackRock 6.8% 37% 55% Market Capitalisation ~$220M Franklin Templeton 5.8% Cash
Slide 4: Minerals 260 is led by an experienced and proven team
Minerals 260 is led by an experienced and proven team Board of Directors Tim Goyder Luke McFadyen Emma Scotney David Richards Stacey Apostolou Non-Executive Chairman CEO & Managing Director Non-Executive Director Non-Executive Director Non-Executive Director Mining Executive +48 years Mineral Econom
Slide 5: Bullabulling is a brownfield project with exploration upside and a near-term production target
Bullabulling is a brownfield project with exploration upside and a near-term production target Looking north, historical pits, rehabilitated leach pads and Tenements & Geology waste dumps, tailings storage facility and exploration camp 200m Minerals 260 Limited 5
Slide 6: Significant historical work sets the foundations for accelerated growth
Significant historical work sets the foundations for accelerated growth Bullabulling Gold Project Ownership History Anaconda & Valiant & Hill Central Kalgoorlie Azuex & GGG Union JV Minerals JV Gold Mines NL Resources JV 1966 - 1968 1972 - 1984 1985 - 1989 1985 - 1992 1993 - 2001 2002 - 2009 2010 -
Slide 7: Bullabulling Gold Project Highlights
Bullabulling Gold Project Highlights Bullabulling Gold Project Location, Eastern Goldfields, WA One of Australia’s largest 2.3Moz Mineral Resource1 undeveloped open-pittable contained on granted gold deposits mining leases 80,000m drilling in CY25 – Resource update by end open at depth and along 202
Slide 8: 12,000 Holes for 530,000m of drilling completed prior to acquisition
12,000 Holes for 530,000m of drilling completed prior to acquisition Bullabulling resource showing resource classifications and historic drilling Bullabulling Mineral Resource (JORC 2012)1 Category Tonnes Grade Contained Mt g/t Au Moz Au Indicated 39 1.1 1.4 Inferred 21 1.3 0.9 Total 60 1.2 2.3 1 Bu
Slide 9: Drilling by MI6 is targeting depth and strike extensions, as well as infilling existing resource
Drilling by MI6 is targeting depth and strike extensions, as well as infilling existing resource Bullabulling Gold Project Planned Drilling Locations 5 Regional targets Dicksons Gibraltar Phoenix 4 Bacchus – Kraken Strike Bacchus and depth extensions 1 Dicksons and Kraken Phoenix depth extensions 2
Slide 10: Minerals 260's drilling is delivering strong results
Minerals 260’s drilling is delivering strong results Bullabulling Exploration Plan Drilling Result Highlights MI6 is intersecting some of the highest gram x meters in the history of the project Infill drilling continues to reinforce the robustness of the MRE Drilling continues to extend known gold m
Slide 11: Drilling has confirmed the continuity of mineralisation at depth along the entire strike length
Drilling has confirmed the continuity of mineralisation at depth along the entire strike length of the current resource Bullabulling representative long section showing modelled gold mineralisation Minerals 260 Limited 11
Slide 12: Significant historical information is an advantage for the schedule
Significant historical information is an advantage for the schedule Study Area Scope Resource Updated Mineral Resource Estimate planned for Dec 2025 Feasibility level slope designs for the main pits previously completed, to be updated for the Geotechnical ongoing extensional drilling. Hydrology Mult
Slide 13: Historical metallurgical work provides strong foundations for Minerals 260 to optimize recoveries
Historical metallurgical work provides strong foundations for Minerals 260 to optimize recoveries Bullabulling Recovery Results • Previous test programs demonstrated the amenability of the current resource to a conventional carbon-in-leach (CIL) process flowsheet. • Optimum gold recoveries at resour
Slide 14: Existing borefield to be re-established and other sources of water to be assessed
Existing borefield to be re-established and other sources of water to be assessed Bullabulling Gold Project and nearby palaeovalleys • Bullabulling is near three major palaeovalleys, which host alluvial aquifers with demonstrated water yield potential. • Existing borefields will be recommissioned an
Slide 15: Drilling results, resource update and accelerated study phase will de-risk and unlock value
Drilling results, resource update and accelerated study phase will de-risk and unlock value Historical Base Accelerated drilling, study Indicative Development Plan1 and permitting phases enabled by significant work already done, including: 2025 2026 2027 2028 ~530,000m Resource Update Transaction Co
Slide 16: 2.3Moz Bullabulling Gold Project is one of Australia's largest undeveloped gold projects
• 2.3Moz Bullabulling Gold Project is one of Australia’s largest undeveloped gold projects • 80,000m of drilling to support an updated Mineral Resource in December 2025 • Fully funded for all planned activities, Final Investment Decision in 2027 • Targeting first production in 2028 • Experienced Boa
Slide 17: Bullabulling Mineral Resource of 60.3Mt @ 1.2g/t Au for 2.3Moz
Bullabulling Mineral Resource of 60.3Mt @ 1.2g/t Au for 2.3Moz Bullabulling Mineral Resource Estimate as of December 20241 Indicated Inferred TOTAL By Area Tonnes (Mt) Grade (Au g/t) Ounces (koz) Tonnes (Mt) Grade (Au g/t) Ounces (koz) Tonnes (Mt) Grade (Au g/t) Ounces (koz) NORTH Bacchus 8.5 1.2 33
Slide 18: Geology
Geology Regional Geology The Yilgarn Craton in Western Australia’s Eastern Goldfields is Australia’s premier gold province • Bullabulling is located on the western edge of the Coolgardie Domain of the Kalgoorlie Terrane in the Archean-aged Yilgarn Craton • Coolgardie Domain is bounded by the north-
Slide 19: Bullabulling Mineralisation – Multiple Stacked Lodes
Bullabulling Mineralisation – Multiple Stacked Lodes Modelled Gold Grades and Drill Hole Traces Phoenix Cross Section Bacchus Cross Section Gold mineralisation at Bullabulling is associated with a continuous sequence of amphibolite ranging from hornblende-rich to quartz-rich overlying an ultramafic
Slide 20: Potential to extend the Phoenix and Bacchus deposits at depth
Potential to extend the Phoenix (930koz at 1.1g/t Au) and Bacchus (894koz at 1.27g/t Au) deposits at depth Cross Section showing mineralisation beneath the current Phoenix pit Drilling Result Highlights Refer to MI6 ASX Announcement 4 June 2025 for further information. Minerals 260 Limited 20
Slide 21: Drilling has confirmed the continuity of mineralisation at depth and along strike at Bacchus
Drilling has confirmed the continuity of mineralisation at depth and along strike at Bacchus Cross Section showing mineralisation beneath the current Bacchus pit Refer to MI6 ASX Announcement 7 July 2025 for further information. Minerals 260 Limited 21
Slide 22: Regional exploration is targeting similar structures
Regional exploration is targeting similar structures Aeromagnetic imagery showing untested lithological contacts and planned drilling Minerals 260 Limited 22
Slide 23: 2.3Moz Mineral Resource is supported by 12,000 drill holes
2.3Moz Mineral Resource is supported by 12,000 drill holes Bullabulling Gold Project Mineral Resource Gibraltar Dicksons Phoenix Bacchus Kraken 1km Bullabulling Mineral Resource (JORC 2012)1 Category Tonnes Grade Contained Mt g/t Au Moz Au Indicated 39 1.1 1.4 Inferred 21 1.3 0.9 Total 60 1.2 2.3 Bu
Slide 24: 2.3Moz Mineral Resource is open at depth and along strike
2.3Moz Mineral Resource is open at depth and along strike Bullabulling Gold Project Mineralisation Gibraltar Dicksons Phoenix Bacchus Kraken Bullabulling Mineral Resource (JORC 2012)1 Category Tonnes Grade Contained Mt g/t Au Moz Au 1km Indicated 39 1.1 1.4 Inferred 21 1.3 0.9 Total 60 1.2 2.3 Refer
Slide 25: Planned and completed drilling collar locations with highlighted results
Planned and completed drilling collar locations with highlighted results Minerals 260 Limited 25
Slide 26: Bullabulling Grade Tonnage Curve
Bullabulling Grade Tonnage Curve Bullabulling Grade Tonnage Curve 90 1.80 Mt Au (g/t) 1.70 80 1.60 70 1.50 60 Million Tonnes 1.40 Au g/t 1.30 50 1.20 40 1.10 30 1.00 20 0.90 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 Cut-off grade Au g/t Minerals 260 Limited 26
Slide 27: Bullabulling Ounces Per Vertical Metre
Bullabulling Ounces Per Vertical Metre Bullabulling Ounces Per Vertical Metre (OVM) Tonnes Ounces Vertical Metre Ounces Vertical Metre Minerals 260 Limited 27