Announcement PDF ASX: WMG www.westernmines.com.au @westernmines Western Mines Group WESTERN MINES GROUP THE MULGA TANK NICKEL SULPHIDE DISCOVERY INTERNATIONAL MINING AND RESOURCES CONFERENCE SYDNEY 21-23 OCTOBER 2025 ASX:WMG Western Mines Group Company Presentation, October 2025 DISCLAIMER 2 NATURE OF THIS DOCUMENT This presentation has been prepared by Western Mines Group Ltd ACN 640 738 834 (Company). The information is based on publicly available information, internally developed data and other sources. By receiving this presentation, you acknowledge and represent to the Company that you have read, understood and accepted the terms of this disclaimer. It is the responsibility of all recipients of this presentation to obtain all necessary approvals to receive this presentation and receipt of this presentation will be taken by the Company to constitute a representation and warranty that all relevant approvals have been obtained. This presentation is a visual aid and is not intended to be read as a stand-alone document. The material contains selected and abbreviated summary information about the Company and its activities current as at the date of this presentation. The material is of general background and does not purport to be complete. The Company is not responsible for providing updated information and assumes no responsibility to do so. NOT AN OFFER This presentation is for information purposes only and does not purport to be all inclusive or to contain all information about the Company or any of the assets, current or future, of the Company. This presentation does not comprise a prospectus, product disclosure statement or other offering document under Australian law (and will not be lodged with ASIC) or any other law. 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NOT INVESTMENT ADVICE To the maximum extend permitted by law, the information contained in this presentation is given without any liability whatsoever being accepted by the Company or any of its related bodies corporate or their respective directors, officers, partners, employees, advisors and agents. This presentation is not investment or financial product advice (nor tax, accounting or legal advice) and its contents are not intended to be used for the basis of making an investment decision. No representation or warranty, express or implied, is made as to the accuracy, completeness or thoroughness of the information, whether as to the past or future. Recipients of this presentation should carefully consider whether the company is an appropriate investment for them in light of their personal circumstances, including their financial and taxation position. This presentation does not take into account the individual investment objectives, financial situation and particular needs of each recipient of this presentation. Therefore, recipients of this presentation may wish to seek independent financial and taxation advice before making any decision in respect of this presentation. Neither the Company nor any of its related bodies corporate is licensed to provide financial product advice in respect of the Company’s securities or any other financial products. FORWARD LOOKING STATEMENTS Statements and material contained in this presentation, particularly those regarding possible or assumed future performance, production levels or rates, commodity prices, resources or potential growth of the Company, industry growth or other trend projects are, or may be, forward looking statements. Such statements relate to future events and expectations and, as such, involve known and unknown risks and uncertainties and are based on the assumptions, estimates, analysis and opinions of management made in light of its experience and its perception of trends, current conditions and expected developments, as well as other factors that management of the Company believes to be relevant. Although management believes that the assumptions made by the Company and the expectations represented by such information are reasonable, there can be no assurance that the forward-looking information will prove to be accurate. Forward-looking information involves known and unknown risks, uncertainties, and other factors which may cause the actual results, performance or achievements of the Company to be materially different from any anticipated future results, performance or achievements expressed or implied by such forward-looking information. Such factors include, among others, the actual market price of commodities, the actual results of current exploration, the actual results of future exploration, changes in project parameters as plans continue to be evaluated, as well as those factors disclosed in the Company's publicly filed documents. Readers should not place undue reliance on forward-looking information. The Company does not undertake to update any forward-looking information, except in accordance with applicable securities laws. DISCLAIMER No representation or warranty, express or implied, is made by the Company that the material contained in this presentation will be achieved or prove to be correct. Except for statutory liability which cannot be excluded, each of the Company, its directors, officers, employees, advisers and agents expressly disclaims any responsibility for the accuracy, fairness, sufficiency or completeness of the material contained in this presentation, or any opinions or beliefs contained in this presentation, and excludes all liability whatsoever (including in negligence) for any loss or damage which may be suffered by any person as a consequence of any information in this presentation or any error or omission there from. To the maximum extent permitted by the law, the Company disclaims any obligation to update or keep current the information contained in this presentation or to correct any inaccuracy or omission which may become apparent, or to furnish any person with any further information. Any opinions expressed in the presentation are subject to change without notice. COMPETENT PERSON STATEMENT The information in this announcement that relates to exploration results and the Mineral Resource Estimate for the Mulga Tank Project complies with the 2012 Edition of the Joint Ore Reserves Committee (JORC) Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves (JORC Code) and has been compiled and assessed under the supervision of Dr Caedmon Marriott, Managing Director of Western Mines Group Ltd. Caedmon is a member of the Australian Institute of Geoscientists and the Society of Economic Geologists. Caedmon has sufficient experience that is relevant to the styles of mineralisation and type of deposits under consideration, and to the activity being undertaken, to qualify as a Competent Person as defined in the 2012 Edition of the ‘Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves’. Caedmon consents to the inclusion in this presentation of the matters based on his information in the form and context in which it appears. MONETARY VALUES Unless otherwise stated, all dollar values are in Australian Dollars (A$). The information in this presentation remains subject to change without notice. • Exceptional flagship project – discovery of a major komatiite hosted nickel sulphide mineral system under cover in WA • “Globally significant” – Mineral Resource 1,968Mt at 0.27% Ni over 5.3Mt contained Ni • Largest nickel sulphide deposit in Australia and Top 10 in the World • Camp-scale project targeting both low-grade disseminated and high-grade massive sulphide • Exploration team lead by WA nickel expert Dr Ben Grguric • Tight capital structure with ~$20m market cap • Highly leveraged to ongoing exploration success A NICKEL EXPLORATION COMPANY Shares Outstanding Share Price (20/10/25) Market Capitalisation Cash (30/06/25) Unlisted Options ($0.30 strike) 97,188,344 $0.225 $21.87 Million $1.56 Million 10,209,667 Western Mines Group Ltd ASX:WMG WESTERN MINES GROUP COMPANY OVERVIEW ASX:WMG 3 Equentia Natural Resources Directors and Management Top 20 Shareholders 6.9% 9.0% 49.1% SIGNIFICANT NEAR TERM NEWS FLOW | SMALL MARKET CAP | EXCITING RISK-REWARD Rex Turkington Non-Executive Chairman Capital Markets | Corporate Management Dr Caedmon Marriott Managing Director Exploration | Capital Markets Francesco Cannavo Non-Executive Director Business Development | Capital Markets Dr Benjamin Grguric Technical Director Exploration | Corporate Management Western Mines Group Company Presentation, October 2025 0 50 100 150 200 250 300 350 400 450 20/7/2021 20/10/2021 20/1/2022 20/4/2022 20/7/2022 20/10/2022 20/1/2023 20/4/2023 20/7/2023 20/10/2023 20/1/2024 20/4/2024 20/7/2024 20/10/2024 20/1/2025 20/4/2025 20/7/2025 Peer 1 Peer 2 Peer 3 WMG Nickel Price LOOK AFTER THE SHARE COUNT AND THE SHARE PRICE WILL LOOK AFTER ITSELF ASX:WMG 4 RUN BY “OWNERS” FOR THE OWNERS WMG: 97.2m shares = 2.2x Peer 1: 244.9m shares = 3.6x Peer 2: 514.9m shares = 5x Peer 3: 337.4m shares = 2.9x Peer 1 (P1) $7m IPO 68.6m shares “Nickel discovery, development and acquisition” Peer 2 (P2) $10m IPO 104m shares “Dedicated WA nickel sulphide explorer” Peer 3 (P3) $12m IPO 115m shares “Nickel sulphide assets in Europe” WMG $5.5m IPO 43.8m shares DETERMINED | PERSISTENT | FRUGAL | EFFICIENT | PER SHARE DRIVEN | HIGH-QUALITY EXPLORATION Share Price Indexed to IPO Price (100) Western Mines Group Company Presentation, October 2025 • DEMAND • SUPPLY • Nickel sulphide is the lowest quartile in CO2 intensity • Polymetallic Ni-Co-Cu-PGE deposits some of the highest value per tonne deposits on the plant • Positive themes for pricing – supply chain security, ESG, supply chain tracing, European Battery Passport, “blood nickel”… Ø Stainless steel ~68% global demand = function of GDP growth Ø Key component of EV battery chemistry and energy transition = demand kicker Ø Analysts routinely underestimate nickel demand Ø Indonesia growing to ~75% global production = largely Chinese owned Ø “ONEC” could manage supply and pricing Ø Ore grades falling = costs rising Ø Ore royalty increase = costs rising Ø Increasing push for ESG compliance = costs rising 5 ASX:WMG !" #!" $!" %!" &!" '!" (!" )!" *!" +!" #!!" ,- ,$.!!! ,&.!!! ,(.!!! ,*.!!! ,#!.!!! ,#$.!!! ,#&.!!! ,#(.!!! ,#*.!!! ,$!.!!! ,$$.!!! ,$&.!!! ,$(.!!! ,$*.!!! ,%!.!!! ",/0,12345678, 9:;,<71=L?,@A6/22L ",/0,21=BLC,<7/34=61/2,MEB12F,=E5G,E6,3100L7L2=L,9:;,<71=L5 Source: Macquarie Commodities Strategy June 2024 WHERE WILL THE WESTERN WORLD SOURCE ITS FUTURE NICKEL? NICKEL MARKET IS AT CYCLICAL LOWS BUT SETTING UP FOR STRUCTURALLY HIGHER FUTURE PRICES Strategic western sulphide projects Price floor and stable higher prices WHY NICKEL? Western Mines Group Company Presentation, October 2025 • One of the world’s major nickel provinces • World-class examples of komatiite-hosted nickel deposits – Perseverance (50Mt @ 2.3% Ni), Mt Keith (643.7Mt @ 0.58% Ni) and Kambalda (35Mt @ 3.1% Ni) MULGA TANK Ni-Co-Cu-PGE PROJECT • New search space – frontier exploration for major komatiite-hosted Ni-Co-Cu-PGE deposits under cover • Strategically assembled 425km2 position on the under-explored Minigwal Greenstone Belt • Mulga Tank Ultramafic Complex (WMG 100%) is a "camp scale" project YILGARN CRATON WESTERN AUSTRALIA ASX:WMG 6 FRONTIER EXPLORATION IN A WORLD CLASS NICKEL PROVINCE EXPLORATION MODELS ARE PERSEVERANCE AND MT KEITH Model PERSEVERANCE MT KEITH Type Type 1 Stratiform Basal Massive Sulphide Type 2 Interstitial Disseminated Sulphide Size 650m x 160m 1,900m x 400m Western Mines Group Company Presentation, October 2025 ASX:WMG 7 BELT SCALE OPPORTUNITY WMG OWN 100% MAJOR KOMATIITE NICKEL SYSTEM CLOSE TO TERRANE BOUNDARY Hayward 2024: Improving Multi-Scale Structural Targeting Precision for Large Ni-Cu (PGE, Co) Sulfide Discoveries from Global Case Studies Western Mines Group Company Presentation, October 2025 ASX:WMG 8 DISSEMINATED SULPHIDES OVER >500M INTERVALS DISCOVERY OF EXTENSIVE MT KEITH-STYLE MAGMATIC SULPHIDE • Deep diamond EIS holes MTD023 and MTD026 intersected extensive disseminated magmatic sulphides • MTD023: • MTD026: • MTD027: • MTD028: • MTD029: WITH EXAMPLES OF SHALLOW MINERALISED INTERVALS: • MTD022: • MTD026: • Mineralogical work confirms abundant coarse grained pentlandite Cumulative 693.5m at 0.28% Ni, 128ppm Co, 61ppm Cu, 27ppb Pt+Pd with S:Ni 1.1 Cumulative 840m at 0.28% Ni, 140ppm Co, 103ppm Cu, 24ppb Pt+Pd with S:Ni 1.6 Cumulative 694m at 0.31% Ni, 141ppm Co, 68ppm Cu, 30ppb Pt+Pd with S:Ni 1.0 Cumulative 466m at 0.35% Ni, 139ppm Co, 62ppm Cu, 43ppb Pt+Pd with S:Ni 1.0 Cumulative 1,247m at 0.28% Ni, 134ppm Co, 76ppm Cu, 24ppb Pt+Pd with S:Ni 1.0 114m at 0.31% Ni, 121ppm Co, 33ppm Cu from 124m inc. 14m at 0.48% Ni, 171ppm Co, 152ppm Cu from 168m 130m at 0.31% Ni, 136ppm Co, 122ppm Cu from 116m inc. 13m at 0.35% Ni, 142ppm Co, 301ppm Cu from 157m Western Mines Group Company Presentation, October 2025 ASX:WMG 9 BRAVE LITTLE COMPANY DRILLING 1,500M DIAMOND HOLES GLOBALLY SIGNIFICANT NICKEL SULPHIDE SYSTEM Western Mines Group Company Presentation, October 2025 ASX:WMG 10 FIRST EVER SYSTEMATIC EXPLORATION OF MULGA TANK • 3 Phases of RC drilling with 58 RC holes totalling 18,571m • Systematic ~200m x 200m and ~100m x 100m spacing to average 320m depth Ø 59 out of 62 RC holes mineralised to date MULTIPLE HOLES MINERALISED OVER >200m WIDTHS INCLUDING: • MTRC016: • MTRC018: • MTRC020: • MTRC024: • MTRC025: • MTRC031: • MTRC032: • MTRC034: • MTRC037: • MTRC038: • MTRC040: • MTRC042: • MTRC046: • MTRC053: • MTRC055: • MTRC056: • MTRC058: 200m at 0.30% Ni, 139ppm Co, 92ppm Cu, 25ppb Pt+Pd from 103m with S:Ni 1.2 Cumulative 209m at 0.28% Ni, 129ppm Co, 381ppm Cu, 18ppb Pt+Pd with S:Ni 1.3 Cumulative 220m at 0.28% Ni, 132ppm Co, 112ppm Cu, 18ppb Pt+Pd with S:Ni 1.1 199m at 0.31% Ni, 148ppm Co, 76ppm Cu, 23ppb Pt+Pd from 161m with S:Ni 1.1 Cumulative 239m at 0.28% Ni, 139ppm Co, 72ppm Cu, 19ppb Pt+Pd with S:Ni 1.2 210m at 0.28% Ni, 137ppm Co, 104ppm Cu, 24ppb Pt+Pd from 87m with S:Ni 1.2 198m at 0.28% Ni, 145ppm Co, 249ppm Cu, 28ppb Pt+Pd from 108m with S:Ni 1.6 240m at 0.30% Ni, 133ppm Co, 133ppm Cu, 36ppb Pt+Pd from 90m with S:Ni 1.0 224m at 0.29% Ni, 139ppm Co, 208ppm Cu, 25ppb Pt+Pd from 91m with S:Ni 1.0 199m at 0.31% Ni, 139ppm Co, 260ppm Cu, 27ppb Pt+Pd from 119m with S:Ni 1.3 Cumulative 298m at 0.29% Ni, 131ppm Co, 65ppm Cu, 16ppb Pt+Pd with S:Ni 1.1 Cumulative 238m at 0.29% Ni, 133ppm Co, 96ppm Cu, 24ppb Pt+Pd with S:Ni 1.1 193m at 0.33% Ni, 152ppm Co, 310ppm Cu, 25ppb Pt+Pd from 107 with S:Ni 1.5 205m at 0.28% Ni, 129ppm Co, 85ppm Cu, 16ppb Pt+Pd from 87m with S:Ni 1.0 216m at 0.30% Ni, 144ppm Co, 109ppm Cu, 20ppb Pt+Pd from 84m with S:Ni 1.2 201m at 0.31% Ni, 134ppm Co, 176ppm Cu, 15ppb Pt+Pd from 81m with S:Ni 0.9 209m at 0.29% Ni, 132ppm Co, 50ppm Cu, 18ppb Pt+Pd from 91m with S:Ni 0.8 RC PROGRAMS CONFIRMED SHALLOW MINERALISATION Western Mines Group Company Presentation, October 2025 ASX:WMG 11 MRE (JORC 2012) OF SHALLOW MINERALISATION TO ~400M DEPTH INDICATED 565Mt at 0.28% Ni, 134ppm Co, 105ppm Cu, 18ppb Pt+Pd with S:Ni 1.0 INFERRED 1,403Mt at 0.27% Ni, 129ppm Co, 73ppm Cu, 17ppb Pt+Pd with S:Ni 0.9 TOTAL 1,968Mt at 0.27% Ni, 131ppm Co, 82ppm Cu, 17ppb Pt+Pd with S:Ni 0.9 MINERAL RESOURCE ESTIMATE OF OVER 5.3MT CONTAINED NICKEL E W E W See Appendix 1 (Slide 20) for further details Western Mines Group Company Presentation, October 2025 ASX:WMG 12 LARGEST NICKEL SULPHIDE DEPOSIT IN AUSTRALIA… TOTAL RESOURCE 1,968Mt AT 0.27% Ni FOR 5.3Mt CONTAINED NICKEL See Appendix 2 (Slide 21) for further details Western Mines Group Company Presentation, October 2025 ASX:WMG 13 …AND LIKELY TOP 10 IN THE WORLD Western Mines Group Company Presentation, October 2025 • Largest nickel sulphide deposits in the world: • Canada Nickel (TSX-V:CNC) leading the way – Crawford BFS October 2023: Proven and Probable Reserves of 1.715Bnt at 0.22% Ni Mining and processing 42Mtpa with 2.33:1 strip ratio LoM Producing 38Ktpa Ni for 41yrs with 41% LoM Ni recovery US$1.9Bn initial capex NPV8 US$ 2.5Bn with 17.1% after-tax IRR Total onsite costs US$10.88/t milled with estimated US$3,395/t net AISC • Minimum 30Mtpa operation • >40year minelife • >0.25% Ni orebody • >40% Ni recovery • <2:1 strip ratio • <A$4.00/t unit mining cost PROJECT REQUIREMENTS Deposit Contained Nickel (M&I) Ni Grade Producing Company Norilsk-Talnakh (Russia) 11.3Mt 0.75% Yes Nornickel Crawford (Canada) 6.0Mt 0.24% No Canada Nickel Dumont (Canada) 4.4Mt 0.27% No Magneto Investments Jinchuan (China) 4.4Mt 1.39% Yes Jinchuan Group Sotkamo (Finland) 3.9Mt 0.23% Yes Terrafame Turnagain (Canada) 3.2Mt 0.21% No GigaMetals Mt Keith/Yakabindie (Australia) 2.6Mt 0.58% Yes BHP Decar (Canada) 2.4Mt 0.21% No FPX Nickel Source: Canada Nickel Investor Presentations April 2023 and July 2025 LARGE LOW-GRADE NICKEL SULPHIDE WILL BECOME AND ESSENTIAL NEW SUPPLY OF WESTERN WORLD NICKEL Source: Crawford Nickel Sulphide Project NI 43-101 Technical Report and Feasibility Study October 2023 ASX:WMG 14 HIGH-GRADE COMPONENT TO MINERALISATION ITS NOT MT KEITH – ITS A PERSEVERANCE-STYLE HYBRID SYSTEM • Processes working to coalesce sulphides and form massive sulphide deposits • Multiple zones of remobilised massive nickel sulphide veinlets, in-situ immiscible globules and sulphide segregations seen in diamond core across the Complex • MTD012: • MTD013: • MTD022: • MTD023: • MTD026: • MTD027: • Sulphide material migrates along faults and fractures – from where? 0.5m at 1.49% Ni, 0.04% Cu and 0.04% Co from 385.8m 1.6m at 0.83% Ni and 0.30g/t Pt+Pd from 304m inc. 0.4m at 1.34% Ni, 0.04% Co and 0.55g/t Pt+Pd from 304.4m and 0.4m at 1.29% Ni and 0.43g/t Pt+Pd from 153.6m 0.15m at 2.73% Ni, 0.08% Cu, 0.06% Co and 0.10g/t Pt+Pd from 525.15m and 0.5m at 1.42% Ni, 0.05% Cu, 0.04% Co and 0.41g/t Pt+Pd from 553m 1.5m at 1.88% Ni, 0.04% Cu, 0.07% Co from 402m 0.5m at 1.21% Ni, 0.05% Co, 0.15% Cu, 0.1g/t Pt+Pd from 116.5m and 0.3m at 1.88% Ni, 0.08% Co, 0.08% Cu, 0.2g/t Pt+Pd from 224.3m 1.0m at 1.05% Ni, 0.03% Co, 0.01% Cu, 0.1g/t Pt+Pd from 504m Western Mines Group Company Presentation, October 2025 ASX:WMG 15 SEMI-MASSIVE NICKEL-COPPER SULPHIDE IN RC SHALLOW HIGH-GRADE RESULTS IN RC DRILLING • Higher grade results in the central-eastern area of the Complex • MTRC015: • MTRC018: • MTRC024: • MTRC032: • MTRC038: • MTRC046: • MTRC055: • MTRC066: 1m at 1.11% Ni, 516ppm Co, 0.45% Cu, 62ppb Pt+Pd from 172m 3m at 1.32% Ni, 56ppm Co, 0.10% Cu, 34ppb Pt+Pd from 184m 2m at 1.71% Ni, 836ppm Co, 0.10% Cu, 0.4g/t Pt+Pd from 229m 1m at 1.84% Ni, 0.10% Co, 4.88% Cu, 26ppb Pt+Pd from 293m 3m at 2.19% Ni, 777ppm Co, 597ppm Cu, 9ppb Pt+Pd from 253m inc. 1m at 4.51% Ni, 0.16% Co, 0.14% Cu, 16ppb Pt+Pd from 253m 1m at 1.08% Ni, 602pm Co, 379ppm Cu, 83ppb Pt+Pd from 131m 6m at 1.01% Ni, 443ppm Co, 0.32% Cu, 0.12g/t Pt+Pd from 254m 2m at 1.51% Ni, 539ppm Co, 0.72% Cu, 94ppb Pt+Pd from 135m 1m at 3.16% Ni, 662ppm Co, 385ppm Cu, 0.18g/t Pt+Pd from 192m 4m at 1.14% Ni, 501ppm Co, 803ppm Cu, 0.14g/t Pt+Pd from 224m 5m at 1.92% Ni, 711ppm Co, 0.21% Cu, 0.18g/t Pt+Pd from 283m 4m at 1.16% Ni, 345ppm Co, 0.13% Cu, 6ppb Pt+Pd from 182m inc. 1m @ 2.46% Ni, 641ppm Co, 0.43% Cu, 18ppb Pt+Pd from 183m 6m at 1.18% Ni, 480ppm Co, 0.11% Cu, 46ppb Pt+Pd from 94m Western Mines Group Company Presentation, October 2025 ASX:WMG 16 GEOCHEMICAL TRENDS UNLOCKING ARCHITECTURE Unmineralised Unmineralised Unmineralised Unmineralised Unmineralised Unmineralised Mineralised Zone Mineralised Zone Mineralised Zone Mineralised Zone Mineralised Zone MTD027 MTD029 MTD028 Mineralised Zone with 96m at 0.40% Ni inc. 38m at 0.56% Ni inc. 8m at 1.11% Ni Mineralised Zone with 126m at 0.42% Ni inc. 12m at 0.57% Ni inc. 2m at 1.09% Ni and inc. 34m at 0.50% Ni Mineralised Zone with 140m at 0.49% Ni inc. 82m at 0.55% Ni Basal contact Dolerite unit ~800m ~1,300m HIGHLY PROSPECTIVE BASAL ZONE • 91 occurrences of high-grade sulphide across 13 diamond holes over ~4km2 area Example of structural vein sulphide (MTD027) Example of sulphide melt pockets (MTD029 EIS3) Western Mines Group Company Presentation, October 2025 ASX:WMG 17 THERE’S A MONSTER HIDING SOMEWHERE WHAT LIES AT DEPTH WITHIN THIS EXTENSIVE SULPHIDE SYSTEM? • Intersections of “cloud” sulphide potentially vectoring towards sulphide enriched keel and/or feeder vent: • MTD023: • MTD027: • MTD028: • MTD029: 88m at 0.44% Ni, 151ppm Co from 1,212m 96m at 0.40% Ni, 161ppm Co from 1,208m inc. 38m at 0.56% Ni, 159ppm Co from 1,262m inc. 8m at 1.11% Ni, 181ppm Co from 1,270m 140m at 0.49% Ni, 161ppm Co from 874m inc. 82m at 0.55% Ni, 173ppm Co from 886m 126m at 0.42% Ni, 153ppm Co from 1,326m inc. 12m at 0.57%, 181ppm Co from 1,326m that inc. 2m at 1.09% Ni, 242ppm Co from 1,334m and inc. 34m at 0.50% Ni, 160ppm Co from 1,416m Mines Group Company Presentation, October 2025 3D INVERSION MOBILEMT -600 AHD ASX:WMG 18 PHASE 4 DRILLING PROGRAM - RESOURCE EXTENSION, INFILL AND HIGH-GRADE TARGETS MULTIPLE DRIVERS OF COMPANY SUCCESS OVER NEXT 6-12 MONTHS 1. MT KEITH-STYLE OPEN PITABLE DISSEMINATED SULPHIDE RESOURCE – BACKSTOPS COMPANY VALUE • Resource expansion: RC holes to the south of current resource • Resource infill: RC and diamond holes between Indicated zones and within current resource Ø Resource upgrade • Ongoing metallurgical test work Ø Initial Scoping Study 2. PERSEVERENCE-STYLE HIGH-GRADE TARGET AT DEPTH WITHIN THE MAIN INTRUSION • Deep diamond hole EIS9 with $220,000 EIS grant • “Western Press”: diamond tails targeting basal contact near MTD028 • DHEM and geochemical assays Ø Vector towards high-grade horizon at depth 3. KAMBALDA-STYLE KOMATIITE CHANNELS ALONG THE BELT • MLEM survey of Panhandle area • Two outstanding EIS grants totalling $400,000 for 1 x deep diamond, 2 x RC with diamond tail and 4 x RC Ø Drill test targets within highly fertile mineralised komatiite channel system Western Mines Group Company Presentation, October 2025 EXCITING DISCOVERY OPPORTUNITY EXPLORATION PHILOSOPHY ASX:WMG 19 FOR FURTHER INFORMATION PLEASE CONTACT AND VISIT US AT STAND MH261: This announcement has been authorised for release to the ASX by the Board of Western Mines Group Ltd Refer to Western Mines Group Ltd ASX Announcements for relevant disclosures, no material changes to previously disclosed information FOLLOW US Dr Caedmon Marriott Managing Director Western Mines Group Ltd Email: contact@westernmines.com.au Tel: +61 475 116 798 • We believe multiple significant nickel deposits will be found at Mulga Tank • We strive to do high-quality technical exploration work • We are frugal to maximise exploration spend and minimise equity dilution • We are per share driven – at the end value created will be divided by shares outstanding ASX: WMG www.westernmines.com.au @westernmines Western Mines Group Western Mines Group Company Presentation, October 2025 ASX:WMG 20 APPENDIX 1: MULGA TANK MINERAL RESOURCES ESTIMATE ASX, Mulga Tank Mineral Resources Over 5Mt Contained Nickel, 10 April 2025 Refer to Western Mines Group Ltd ASX Announcements for relevant disclosures, no material changes to previously disclosed information Western Mines Group Company Presentation, October 2025 ASX:WMG 21 APPENDIX 2: AUSTRALIAN NICKEL SULPHIDE DEPOSITS Australian nickel sulphide deposits with total measured, indicated and inferred resources of contained nickel >100Kt Ni Numbers may not add up due to rounding Western Mines Group Company Presentation, October 2025