Announcement PDF AGM Presentation 18 November 2025 FOCUSED ON DISCOVERY ASX BUX To accompany the Buxton Resources Ltd Annual General Meeting, 19th November at 11:00am WST, 15 Robinson Av, Belmont, WA, 6104 https://buxtonresources.com.au/link/yzjM0y BUX 2025 Annual General Meeting The Annual General Meeting of Shareholders to be held on Wednesday 19th November 2025 at 11:00 am (WST) at 15 Robinson Avenue, Belmont, Western Australia Shareholders who can’t attend in person will be able to attend via Webinar General Business ACCOUNTS AND REPORTS To receive and consider the annual financial report of the Company for the financial year ended 30 June 2025 together with the declaration of the directors, the directors' report, the remuneration report and the auditor's report. RESOLUTION 1 – ADOPTION OF REMUNERATION REPORT To consider and, if thought fit, to pass, with or without amendment, the following resolution as a non-binding resolution: "That, for the purposes of section 250R(2) of the Corporations Act and for all other purposes, approval is given for the adoption of the Remuneration Report in the Annual Report of the Company for the financial year ended 30 June 2025.“ RESOLUTION 2 – RE-ELECTION OF DIRECTOR – GERVAISE HEDDLE To consider and, if thought fit, to pass, with or without amendment, the following resolution as an ordinary resolution: "That Gervaise Heddle, being a Director of the Company appointed by the Directors as an additional Director and holding office until this Meeting and in accordance with rule 7.3(f) of the Constitution of the Company and Listing Rule 14.4, and being eligible, offers himself for re-election, is hereby re-elected as a director of the Company." RESOLUTION 3 – APPROVAL OF ADDITIONAL 10% CAPACITY To consider and, if thought fit, to pass, with or without amendment, the following resolution as a special resolution: "That, the Company have the additional capacity to issue equity securities provided for in Listing Rule 7.1A." RESOLUTION 4 – APPROVAL TO RENEW PROPORTIONAL TAKEOVER PROVISION To consider and, if thought fit, to pass, with or without amendment, the following resolution as a special resolution: "That, for the purpose of section 648G of the Corporations Act and for all other purposes, Shareholders renew the proportional takeover approval provision of the Constitution as set out in Annexure 1 of this Notice for a period of 3 years from the date of this Meeting.“ 2 We are a proven generator of high-quality projects with the relevant in-house technical and business expertise to add value from generation, through discovery and into development We are re-focused on 100% owned projects have potential to drive outstanding discovery returns for shareholders We will opportunistically assess monetising vs enhancing our portfolio of “call options” which hold significant inherent value 3 GERVAISE HEDDLE Non-Executive Chair Gervaise is the former Chief Executive Officer of Greatland Gold plc (May 2016 – March 2021). During his tenure, he led Greatland through the acquisition and discovery of the Havieron gold-copper deposit in Western Australia and was instrumental in establishing a joint venture with Newcrest Mining Limited for the development of the deposit. Under his leadership, Greatland’s share price increased by over 10,000% (more than 100 times). Prior to Greatland, Gervaise served as a Division Director at Macquarie Funds Group, and a Fund Manager and Director at Merrill Lynch Investment Managers. MARTIN MOLONEY Managing Director Marty is a geologist with deep experience in minerals exploration for a variety of commodities including Au, Ag, Cu, Mo, Pb / Zn, U, Sn, Ni and graphite. He has extensive resource project management experience from greenfields to resource definition in a variety of jurisdictions. Marty has worked for major mining houses (Mt Isa Mines), junior explorers (Thundelarra), junior developers (Dalradian Gold), mid-tier producers (Iluka), a boutique generative consultancy, in private equity, plus with a number of geophysical and related technical service providers to the mining industry. Mr Moloney joined Buxton in April 2019 as Chief Geologist, transitioned to Chief Executive Officer in August 2024 and has been Managing Director since October 2025. STUART FOGARTY Non-Executive Director Stuart has over 20 years of exploration experience with BHP Billiton and Western Mining Corporation. Stuart was BHP’s Senior Exploration Manager for North and South America. Stuart has a very strong background in nickel exploration, having commenced his career at Kambalda Nickel Operations in 1994. Stuart has had senior roles with BHP including Senior Geoscientist for nickel exploration in the Leinster and Mt Keith region, Project Manager WA Nickel Brownfields and Regional Manager Australia – Asia where he was responsible for $100 million per annum exploration budget Stuart currently serves as the Managing Director of Duketon Mining (ASX:DKM). SAM WRIGHT Company Secretary Founder and Managing Director of Straight Lines Consultancy, an advisory business providing services to ASX listed companies. Sam has extensive experience in relation to public company responsibilities, including ASX and ASIC compliance, control and implementation of corporate governance, statutory financial reporting and shareholder relations with both retail and institutional Investors. Sam is currently a director of ASX listed companies; Great Dirt Resources Ltd, Reach Resources Ltd and Structural Monitoring Systems Plc. Mr Wright is also currently Company Secretary for ASX and London Stock Exchange dual listed company, Resolute Mining Ltd. Sam has also filled the role of Director and Company Secretary with companies in Australia, North America and the UK. BEN WASSE Exploration Manager - Australia Mr Wasse is an exploration geologist with extensive experience across a range of commodities including gold (Au), copper (Cu), lead-zinc (Pb/Zn), uranium (U), lithium (Li), silver (Ag) and iron ore (Fe). He has played key roles in several significant mineral discoveries, including Tropicana (AngloGold Ashanti), South Flank (BHP Billiton), and Havieron (Greatland Resources). Ben has held a number of senior technical and leadership roles throughout his career, including a board position with Greatland Resources. He also holds a Master of Business Administration (MBA) from the University of Melbourne. Ben has served as Buxton Resources’ Exploration Manager – Australia since April 2024. DIRECTORS / SENIOR MANAGEMENT 4 1) High-quality Project Generator • Thorough, evidenced-based targeting using geoscience & data science • Validation through partnerships with major mining houses 2) Proven discovery record • 2 maiden resources defined - Graphite Bull & Zanthus (magnetite) • 2 belt-scale discoveries defined via BUX’s project generation - West Kimberley (nickel) & Blackhawk (graphite) 3) Pipeline approach that balances opportunity & risk • Projects with massive re-valuation potential (e.g. Copper Wolf, Centurion, Madman) • Projects with low geological risk (Graphite Bull, Blackhawk, Matrix, Zanthus) • Commodity spread, Tier 1 jurisdictions ASX:BUX Inc: ASX:BUXO - 19.37M listed options at 16c expiring 31/07/26 Mkt Cap: A$12.5M @ 3.4c 14/11/25 Shares out: 345.1M / 64.4M options Generate Partner Drill FOCUSED ON DISCOVERY Crustal Boundaries w/ IOCG, Sed Cu & REE “sweet-spot” buffer (Shirmad et al 2025) 5 FOCUSED ON DISCOVERY Tiger by the tail CENTURION 6  Semi-coincident magnetic & gravity anomaly 3.5 x 5 km  Maiden drilling program completed July-August 2025  Hole abandoned in cover due to loose sands at ~805m depth  Strong silver + pathfinder assays indicating proximity to basement sulfide deposit  Passive seismic geophysics underway to test for shallower basement co-incident with magnetic anomaly  New applications cover a suite of similar nearby geophysical features Conceptual cross-section illustrating significance of 2025 results Silver assay results – CN002DD End of Hole Centurion - open file magnetic anomaly image & gravity contours All images & exploration results from ASX 2/10/2025 FOCUSED ON DISCOVERY  Discrete magnetic target under shallow cover  GSWA interpret timing of nearby Au mineralisation (Quadrio Lake and Phenoclast Hill) as identical to Paterson Orogen gold deposits (~650 Ma)  No previous on-ground exploration at Madman  Heritage Survey complete, clearances in hand, drilling expected to commence March / April 2026 Shallow Havieron look-alike MADMAN The Paterson Orogen hosts huge gold endowment, much of which has only been recently discovered… Telfer: 15.6 Moz Au production Winu: 8.0 Moz Au, 2.9 Mt Cu, 52 Moz Ag Havieron: 5.9 Moz Au 220 kt Cu Citadel: 2.8 Moz Au, 172 kt Cu North Telfer: 2.3 Moz Au Madman Project detailed magnetics inversion GSWA statewide magnetics image 7 All images from ASX 1/7/2025 (exploration results are all open file) FOCUSED ON DISCOVERY  Shallow magnetic targets with excellent Cu/Au fertility indicators  AFMECO 1982 intersected shallow basement rocks at 77.5m in hole S-19  New petrology indicates the magnetic features are caused by amphibole- magnetite titanite-pyrite-chalcopyrite bearing dioritic intrusives  New Gravity and passive seismic surveys completed, high resolution magnetics already in open-file – drill targets defined  Heritage Agreement negotiations nearing completion  IP + drilling program ~$500k (inc. heritage/monitoring & access works) Shallow Cu/Au drill targets LATERON Lateron magnetic anomalies with planned drillholes Petrology results of core fragments recovered by BUX from AFMECO’s 1982 S-19 drill site 8 Airborne Magnetics 1VD of Bouguer Gravity Spherical Cap 2.67 g/cc Analytical Signal of RTP All images & exploration results from ASX 10/11/2025 FOCUSED ON DISCOVERY High grade historic Cu/Ag, untested extensions under shallow cover MONTELLO Summary geology and previous exploration map Geological cross section looking NW with all historical drilling 9  Strong geological similarities to White Cliffs & Somerset  Historic assays including  3.2m at 9.02% Cu & 20.4 g/t Ag from 73.15m  49m @ 0.34% Cu from 39m including 6m @ 1.11% Cu & 7.7 g/t Ag from 81m  Very low exploration maturity under thin cover  Currently undertaking heritage assessments All images & exploration results from ASX 10/11/2025 FOCUSED ON DISCOVERY Resource Definition in Elephant Country Copper Wolf Tenure Situation CPW0002DD at 619.70 m depth. High grade porphyry mineralisation results where the vein system intersects mafic wall rocks. Visually estimated sulphide abundances: 1.5% pyrite, 1.0% chalcopyrite and 0.15% molybdenite. HQ3 core is 63.5 mm width. Assay 1.83m @ 0.58% Cu, 0.17% Mo or ~1.6% CuEq* from 619.35m (ASX 06/09/2023 & 14/12/2023) * CuEq based on $3.50/lb Cu and $20/lb Mo (payability / recovery not considered). Copper Equivalent (%) = Cu (%) + (Mo (%) x 5.7)  Land of Giants – SW US / Northern Mexico Porphyry Belt  Proven and huge porphyry Cu/Mo system  Cu resources defined historically  CPW0002DD: 405.38 metres at 0.35% Cu and 0.045% Mo for 0.61% CuEq* from 608.38 metres  Geological Ingredients that can drive a high-grade system 10 BUX100% BUX/IGO JV BUX100% COPPER WOLF Leached plagioclase-phyric porphyry cut by quartz-iron oxide veins Chrysocolla staining inside iron-oxide fractures nearby to porphyritic dacitic dykes. FOCUSED ON DISCOVERY WOLVERINE Undrilled extension of the Copper Wolf porphyry system at surface  Highly encouraging indications of a porphyry Cu-Mo system on 100% BUX tenure with no volcanic cover. Multiple surface exposures with:  Porphyritic dykes comparable to CPW0002DD  Coincident veining, k-feldspar & qtz-sericite-py alteration and fe-oxides  Significant Cu & Mo anomalism  No historic drilling within the Wolverine Prospect area  BLM drilling permit in hand 11 Iron-oxide-malachite contained in leached outcrop proximal to mapped porphyries. All images & exploration results from ASX 1/5/2024 This presentation has been prepared by Buxton Resources (“Buxton”). The information contained in this presentation is a professional opinion only and is given in good faith. Certain information in this document has been derived from third parties and though Buxton has no reason to believe that it is not accurate, reliable or complete, it has not been independently audited or verified by Buxton. Any forward-looking statements included in this document involve subjective judgement and analysis and are subject to uncertainties, risks and contingencies, many of which are outside the control of, and may be unknown to, Buxton. In particular they refer only to the date of this document, they assume the success of Buxton’s strategies, and they are subject to significant regulatory, business, competitive and economic risks and uncertainties. Actual future events may vary materially from those in the forward looking statements. Recipients of this document are cautioned not to place undue reliance on such forward-looking statements. Buxton makes no representation or warranty as to the accuracy, reliability or completeness of information in this document and does not take responsibility for updating any information or correcting any error or omission which may become apparent after this document has been issued. To the extent permitted by law, Buxton and its officers, employees, related corporations and agents disclaim all liability, whether direct, indirect or consequential for any loss or damage arising out of, or in connection with, any use or reliance on this presentation or information. All amounts are in A$ unless otherwise stated Forward Looking Statements Competent Persons Statement The information in this report that relates to Exploration Results is based on information compiled by Mr Martin Moloney, Member of the Australasian Institute of Geoscientists. Mr Moloney is a full-time employee of Buxton Resources Limited. Mr Moloney has sufficient experience which is relevant to the activity being undertaken to qualify as a “Competent Person”, as defined in the 2012 edition of the Joint Ore Reserves Committee (JORC) Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves. Mr Moloney consents to the inclusion in this report of the matters based on the information in the form and context in which it appears. All exploration results and geological information has been previously reported in numerous Company ASX announcements under the 2012 JORC Code. This information has not materially changed since it was initially reported. AUTHORISED BY The CEO on behalf of the Board of Directors of Buxton Resources. REGISTERED OFFICE 15 Robinson Avenue Belmont WA 6104 Phone +61 (0)8 9380 6063 Postal Address PO Box 661 Nedlands WA 6909 Email: info@buxtonresources.com.au Website: www.buxtonresources.com.au Buxton confirms that it is not aware of any new information or data that materially affects the information from previous ASX announcements which has been referenced in this announcement. Validity of Referenced Results 12 13 Sign up to the BUX InvestorHub for alerts and in-depth coverage