Announcement PDF ASX:OD6 Advancing USA and Australian Critical Mineral Projects EGM Presentation & Company Update Presentation 20 April 2026 OD6 METALS | A CRITICAL MINERALS COMPANY 2 IMPORTANT INFORMATION Disclaimer This presentation has been prepared by OD6 Metals Ltd (ACN 654 839 602) (OD6) and is current as at the date of this document. The information contained in this presentation is a summary and for informational purposes only and does not constitute an offer to issue, or arrange to issue, securities or other financial products. The information contained in this presentation is not investment or financial product advice and is not intended to be used as the basis for making an investment decision. The presentation has been prepared without considering the investment objectives, financial situation or needs of any particular person. Before making an investment decision, you should consider, with or without the assistance of a financial adviser, whether an investment is appropriate considering your particular investment needs, objectives and financial circumstances. Past performance is no guarantee of future performance. Any securities that may be issued by OD6 should be considered speculative and there is no guarantee implied or explicit that there will be a return on the capital invested or that any dividend will be paid or that there will be an increase in the price or value of OD6’s shares in the future. No representation or warranty, express or implied, is made as to the fairness, accuracy, completeness or correctness of the information, opinions and conclusions contained in this presentation. To the maximum extent permitted by law, none of OD6, its directors, employees or agents, nor any other person accepts any liability, including, without limitation, any liability arising out of fault of negligence, for any loss arising from the use of the information contained in this presentation. In particular, no representation or warranty, express or implied is given as to the accuracy, completeness or correctness, likelihood of achievement or reasonableness or any forecasts, prospects or returns contained in this presentation nor is any obligation assumed to update such information. Such forecasts, prospects or returns are by their nature subject to significant uncertainties and contingencies. No New Information This document contains information extracted from OD6’s ASX market announcements reported in accordance with the 2012 edition of the “Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves” (JORC Code), which were prepared by a Competent Person in accordance with the JORC Code and are available for viewing at https://www.od6metals.com.au/investors/asx-announcements/. OD6 confirms that it is not aware of any new information or data that materially affects the information included in any original ASX market announcement. The Company confirms that the form and context in which each relevant Competent Person's findings are presented have not been materially modified from those announcements The information in this report relating to the Mineral Resource estimate for the Splinter Rock Project is extracted from the Company’s ASX announcement dated 29 May 2024. OD6 confirms that it is not aware of any new information or data that materially affects the information included in the original announcement and that all material assumptions and technical parameters underpinning the Mineral Resource estimate continue to apply. Forward Looking Statements Certain statements contained in this presentation, including information as to the future financial or operating performance of OD6 and its projects, are forward looking statements. Such forward looking statements: • may include, among other things, statements regarding incomplete and uncertain proposals or targets, production and prices, operating costs and results, capital expenditures, and are or may be based on assumptions and estimates related to future technical, economic, market, political, social and other conditions; • are necessarily based upon several estimates and assumptions that, while considered reasonable by OD6, are inherently subject to significant technical, business, economic, competitive, political and social uncertainties and contingencies; and • involve known and unknown risks and uncertainties that could cause actual events or results to differ materially from estimated or anticipated events or results reflected in such forward-looking statements. OD6 disclaims any intent or obligation to update publicly any forward-looking statements, whether as a result of new information, future events or results or otherwise. The words “believe”, “expect”, “anticipate”, “indicate”, “contemplate”, “target”, “plan”, “intends”, “continue”, “budget”, “estimate”, “may”, “will”, “schedule” and similar expressions identify forward looking statements. All forward looking statements made in this presentation are qualified by the foregoing cautionary statements. Recipients are cautioned that forward looking statements are not guarantees of future performance and accordingly investors are cautioned not to put undue reliance on forward looking statements due to the inherent uncertainty therein. No representation is made that, in relation to the tenements the subject of this presentation, OD6 has now or will at any time in the future develop further resources or reserves within the meaning of the JORC Code. OD6 METALS | A CRITICAL MINERALS COMPANY 3 BUILDING A MULTI-COMMODITY CRITICAL MINERALS COMPANY QUINN FLUORSPAR - USA SPLINTER ROCK RARE EARTHS - WA GULF CREEK COPPER - NSW OD6 METALS | A CRITICAL MINERALS COMPANY 4 CORPORATE SNAPSHOT Mr Brett Hazelden MANAGING DIRECTOR Dr Darren Holden Geological Advisor Mr Piers Lewis NON-EXECUTIVE CHAIRMAN Dr Mitch Loan NON-EXECUTIVE DIRECTOR Capital Structure (proforma post EGM) ASX: OD6 Price per share 1 A$0.185 Total number of shares on issue 2 286.64 M 6.5c options 2 8.72 M 10c options 2,3 69.23 M Other options 2 8.55 M Performance rights 2 1.30 M Market capitalisation (undiluted) 2 A$53.0 M Cash 2 A$4.0 M Debt 2 Nil Enterprise value A$49.0 M Share Price 12 Month History A$/share 1. As at 16 April 2026 2. Proforma post EGM approval Tranche 2 issue 3. 34.2m 10c Options proposed to be listed in May 14% 7% 2% 7% 70% Founders Directors and Management Family Offices and Institutions Remainder of top 20 Retail / Other Register Detail & Research A close-up of a logo AI-generated content may be incorrect. Hon Julie Bishop Strategic Advisor Quinn Fluorspar Project Acquisition A Strategic US Critical Mineral Opportunity OD6 METALS | A CRITICAL MINERALS COMPANY • Located in Nevada: Tier-1 US mining jurisdiction • Essential role in AI semi-conductor chips, batteries, nuclear power, aerospace and defense. • High-Grade Epithermal fluorspar (CaF2) at a district scale • Grades up to 94% CaF₂ in rock samples and 75% CaF₂ in channel samples • Critical Mineral Listed – US, EU, Canada, Australia, Japan • US 100% import reliant – last major production in 1990s • Quinn’s targeting US market with ~400ktpa demand • TVN Case Study at ~$800M market cap supplying Asia • Acquisition structure with low upfront risk and cost 6 QUINN FLUORSPAR PROJECT, NEVADA USA Refer ASX announcement 4 March 2026 for information sources OD6 METALS | A CRITICAL MINERALS COMPANY 7 A US$3-4 Billion Acidspar Market • Fluorspar (also known as fluorite) is a simple mineral with the formula CaF2, which contains 48.9% fluorine by weight • Fluorspar is the main mineralogical source of fluorine • High-grade fluorspar mineralisation is typically upgraded through simple processing to produce concentrates • >97% CaF2 concentrate known as Acidspar • 60–96% CaF2 product known as Metspar • Fluorspar is generally sold as a mineral product ABOUT FLUORSPAR Future Facing Products ESSENTIAL USES • Fluorspar is essential in: • AI semi-conductor chip etching • Advanced battery technologies • Nuclear fuel processing • Defense • Hydrofluoric acid production • Steel and Aluminium production • Fluorocarbon refrigerants • Spot prices are currently approximately US$450–$650/t • Fluorspar demand is expected to grow considerably in coming years OD6 METALS | A CRITICAL MINERALS COMPANY 8 US 100% Import Reliant CRITICAL MINERAL • Fluorspar is officially recognised as a U.S. critical mineral, underpinning national security, concentrated supply chain, industrial resilience, and energy transition objectives. • Fluorspar is listed on the U.S. Critical Minerals List, first formalised by Donald Trump - Executive Order 13817 • The designation reflects: • High import to dependence • Concentrated foreign supply • Essential downstream industrial uses • Australia, EU, Canada, Japan – recognised Critical Mineral Consistently ranked as one of the world’s best mining jurisdictions NEVADA • Nevada is ranked the best mining jurisdiction globally, on Investment Attractiveness Index and consistently ranked among the top five globally on Policy Perception and Best Practice Mineral Potential according to the Fraser Institute. • The state provides established mining infrastructure and a transparent permitting framework supportive of critical minerals development. • Nevada hosts successful ASX-listed companies, including Sun Silver Ltd (SS1.ASX), which is advancing the Maverick Springs Silver Project and American Tungsten and Antimony Ltd (AT4.ASX) which is advancing 2 Tungsten projects in Nevada. OD6 METALS | A CRITICAL MINERALS COMPANY 9 Potential Government Support STRATEGIC POSITIONING Fluorspar directly supports domestic manufacturing, electrification, defence readiness, and chemical sovereignty, making U.S. projects well-positioned for: • Federal and State loan programs • Strategic offtake backing • Permitting prioritisation at state and federal levels United States, initiatives such as the “FAST-41” permitting pathway may support accelerated development for priority mineral projects. Trump administration’s “Project Vault” which aims to establish a US$12B critical minerals stockpile. Australian Government has established the A$1.2B Critical Minerals Strategic Reserve (CMSR). Ares Strategic Mining (CSE: ARS) secured major multi-year U.S. Department of Defense contract worth up to US$250M over five years. OD6 METALS | A CRITICAL MINERALS COMPANY China Mexico Mongolia Spain Iran Vietnam Germany Thailand Pakistan Other Countries China, Mongolia and Mexico dominate global supply The US is highly dependent on imports for fluorspar Fluorspar 10 Price Forecast to Increase SUPPLY RISK Source: https://www.statista.com/statistics/1051717/global-fluorspar-production-by-country/#google_vignette Leading countries based on mine production of fluorspar worldwide in 2024 (in 1,000 metric tons) Currently ~8 Mtpa Global Demand for Fluorspar 63% OD6 METALS | A CRITICAL MINERALS COMPANY 11 Fluorine is Non-Substitutable AI SEMI-CONDUCTORS • Fluorine compounds are essential in plasma etching and wafer cleaning in semiconductor chips for use in AI • Plasma etching requires fluorinated gases for extreme precision • Tungsten hexafluoride (WF₆) inventories are low currently • Advanced logic nodes (AI GPUs) require higher etching intensity per wafer • TSMC, Intel & US domestic fabrication expanding capacity • US CHIPS Act investing US$50+ billion • More advanced chips = more fluorine per wafer OD6 METALS | A CRITICAL MINERALS COMPANY 12 No Fluorine, No Lithium Battery BATTERIES • Advance Lithium-ion batteries technologies use LiPF₆ as the dominant electrolyte salt • 4.5% Li , 20.5% P and 75% Fluorine by weight • ~1kg fluorine is required per 1 kWh of battery capacity • Higher-energy EV batteries require greater fluorine intensity per cell • Battery reality: There is no commercially scalable lithium- ion chemistry without fluorine — and no fluorine without fluorspar. • US domestic EV and battery plant build-out accelerating • IRA incentives driving US-based battery gigafactories OD6 METALS | A CRITICAL MINERALS COMPANY 13 Fuel Rods Needs Fluorine - UF6 NUCLEAR POWER • Fluorine is a critical reagent in the enrichment of uranium as a nuclear fuel source • Yellow Cake (U3O8) is converted to Uranium Hexafluoride (UF6), Enriched in Centrifuges, used in Nuclear Fuel Rods • SMRs (Small Modular Reactors) expanding • US nuclear fleet extensions • Nuclear fuel demand rising • Uranium enrichment capacity being reshored • AI Data Centers proposing Nuclear Power Stations for reliable power supply Google joins Microsoft in plans to restart US nuclear plants to power AI infrastructure OD6 METALS | A CRITICAL MINERALS COMPANY 14 Fluorine Underpins Military Capability DEFENSE • Fluorine compounds are considered critical for: • Missile guidance electronics (semiconductor etching) • Radar and satellite systems • Jet engine components & high-temperature alloys • Military-grade lithium batteries • Uranium enrichment for naval propulsion • Specialty optical lenses (calcium fluoride crystals) • Submarine electronics • AI data centers • US seeks onshore supply chain sovereignty OD6 METALS | A CRITICAL MINERALS COMPANY 15 Complimentary Mines & Markets TVN CASE STUDY • Tivan Ltd (TVN.ASX) Speewah Project hosts a JORC compliant Resource of: 43.2 Mt @ 8.3% CaF2 (at a 2% CaF2 cut-off grade) containing 3.6 Mt CaF2 • TVN targeting supplying Japan based on a 77.5% :22.5% JV with Sumitomo and JOGMEC • CAPEX A$301M, All in Sustaining OPEX A$513 /t for 149 ktpa Fluorspar + 0.15 ktpa Metspar production • OD6 grades significantly higher = potentially lower CAPEX and OPEX Costs • OD6 Quinn’s targeting US market which currently has ~400ktpa demand • Significant upside potential for OD6 TVN MARKET CAP ~A$800M Refer: Tivam ASX Announcement MRE 4 February 2026. and FS Report 20 March 2026 OD6 makes no representations regarding Tivan’s Resource. As 16 April 2026 OD6 METALS | A CRITICAL MINERALS COMPANY 16 Large Effective Transport Network LOCATION & ACCESS • ~220km north of Las Vegas • ~130km east of mining centre Tonopah • ~300km by road from newly established Hawthorne US Strategic Minerals Reserve (US Govt.) • Excellent road and rail access and proximity to established mining regions • Numerous Ports on the West Coast • US Interstates offer easy transport to end user • The Project area has excellent access • ~35km on well formed county roads from the township of Rachel • ~5km on existing track that cross the project area Data source: Nevada Bureau Mines & Geology and portergeo.com OD6 METALS | A CRITICAL MINERALS COMPANY 17 EPITHERMAL FLUORSPAR FORMATION • Fluorspar deposits form in the near surface epithermal environments • Fluorine bearing hydrothermal acidic fluids rise from an intrusive source • The acid reacts with the limestone (CaCO3) and other carbonates and forms fluorspar CaF2 OD6 METALS | A CRITICAL MINERALS COMPANY 18 Multiple Fluorspar Outcrops LOCAL GEOLOGY • Right setting for district-scale project • Quinn Fluorite Project consists of Paleozoic limestones and dolomites • Tertiary volcanism in the area introduced hydrothermal alteration and emplaced fluorite as veins, breccia and replacing strata in the limestones • Limestone & dolomites (carbonate rocks) are very reactive to acidic hydrothermal fluids and are excellent foci for mineral deposits including fluorspar OD6 METALS | A CRITICAL MINERALS COMPANY 19 HORSESHOE DEPOSIT • 26,000 tonnes mined in historic shallow open pits • ~3,000 m2 mapped zone of high-grade fluorspar • Continuous channel samples results include: ❑ 12m @ 68.9% CaF2 including a peak value of 79.7% CaF2 ❑ 7m @ 73.1% CaF2 including a peak value of 82.0% CaF2 ❑ 2m @ 75% CaF2 including a peak value of 79.9% CaF2 • Likely extends up and down dip beneath silicified limestone and talus cover • Estimated thickness of 30m • Grades support potential for Direct Shipping Ore (DSO) of Metspar (60–96% CaF2) • Potential DSO Early Mining Option Refer ASX announcement 4 March 2026 and ASX announcement 15 April 2026 OD6 METALS | A CRITICAL MINERALS COMPANY 20 View SE of in-pit (channel QCCH2602_1) sampling at Horseshoe. Orange marks indicate 1m samples. Only the reachable extent of the outcrop was sampled. Refer ASX announcement 4 March 2026 and ASX announcement 15 April 2026 HORSESHOE DEPOSIT OD6 METALS | A CRITICAL MINERALS COMPANY 21 • ~9,000 m2 mapped zone of high-grade fluorspar • Breccia fill fluorspar with ‘raccoon-tail’ textures • Previous sample results in the main zone including: ❑ Up to 80.1% CaF2 in rock results ❑ 15.2m @ 48% CaF2 in channel sampling ❑ 12m @40.8% CaF2 in channel sampling ❑ 10.7m @ 44.9% CaF2 2 in channel sampling • 34.9% CaF2 estimated average main zone grade • Channel sampling demonstrates persistent high-grade Fluorspar continuity across the exposed outcrop. • Geological indicators suggest the surface expression is representative of a potentially larger mineralised system extending at depth and along strike MAMMOTH DEPOSIT Refer ASX announcement 4 March 2026 and 9 April 2026 and 7 April 2026 OD6 METALS | A CRITICAL MINERALS COMPANY 22 MAMMOTH DEPOSIT Northern extension of Mammoth with fluorspar outcropping and plunging into the side of the hill beneath unmineralized limestone cover. Refer ASX announcement 4 March 2026 and 9 April 2026 and 7 April 2026 OD6 METALS | A CRITICAL MINERALS COMPANY 23 THE HORSESHOE TO JUMBO CORRIDOR • 1.1km long high intensity alteration zone linking Horseshoe to Jumbo prospects • Intense epithermal alteration including pyrophyllite; alunite-dickite and phyllic alteration – indicative of substantial epithermal cell • 70,000 m2 lithocap indicates large epithermal system with target beneath • Jasperoid replacement – the most intense alteration of all • Potential to link stratigraphic controlled (replacement mineralization), from Horseshoe to North Horseshoe and beyond Refer ASX announcement 25 March 2026 OD6 METALS | A CRITICAL MINERALS COMPANY 24 • Extensive epithermal alteration system • 8km long regional target alteration zone from Dress Circle to Mammoth • Spar Mine 6.1m @ 78% CaF2 in channel sample 6.1m @ 71% CaF2 in channel sample • Big Jim 94% and 90% CaF2 in rock chips from 1 to 2m wide vein 74.9% CaF2 in 0.3m rock chip from altered sediments above the vein • Rocket, Jumbo and North Horsehoe CaF2 occurrences noted by USGS • Dress Circle: a 2km by 1.8m zone of intense alteration • Additional potential targets beneath the Lithocap (estimated 20 to 40m beneath the surface). ADDITIONAL PROSPECTS Refer ASX announcement 4 March 2026 and ASX announcement 25 March 2026 Silica lithocap Epithermal alteration Jasperoidal silica OD6 METALS | A CRITICAL MINERALS COMPANY 25 SIMPLE RESOURCE DELINEATION, MINING & PROCESSING OD6 plans to delineate a Fluorspar resource at Quinn’s through systematic drilling of known mineralisation Based on the project’s mining history and known geology, open pit mining methods should be suitable with underground mining options for some potential high-grade deposits Processing pathway likely to be simple crushing, milling and flotation to produce an Acidspar product. Metspar could be produce as a simple crushed lump and fines product OD6 METALS | A CRITICAL MINERALS COMPANY 26 Favorable Deal, Based on Success ACQUISITION TERMS • Low risk upfront payment of A$75k to acquire 120 day option, extendable for a further 60 days on A$25k payment • Option exercise payment of A$200k (50% cash and 50% shares) upon OD6 being satisfied with due diligence and otherwise comfortable with completing. • Drill permit approval payment of A$200k (50% cash and 50% shares) • Drill commencement payment of A$350k (50% cash and 50% shares) • Deferred payments of A$3.25m (50% cash and 50% shares) are also payable upon achievement of certain milestones • 2% net smelter royalty (NSR) on any fluorspar minerals recovered from the Project (Fluorspar Royalty), plus 1% NSR on all other metals • Buyback of 50% of Fluorspar Royalty by making payment of US$1 million and First Right of Refusal for sale of Royalty by Sellers Refer to ASX announcement dated 4 March 2026 for further details of acquisition terms Deferred Milestones • Milestone 1 ($500k) – JORC-compliant Indicated Mineral Resource >2 million tonnes at an average grade >30% CaF₂ • Milestone 2 ($750k) – JORC-compliant Indicated Mineral Resource >5 million tonnes at an average grade >30% CaF₂ and metallurgical recovery >75% • Milestone 3 ($1M) – Bankable Feasibility Study , based on JORC Ore Reserves and a IRR >20% • Milestone 4 ($1M) – Commencement of Commercial Production OD6 METALS | A CRITICAL MINERALS COMPANY 27 Groundwork Commences NEXT STEPS • Expand systematic channel and rock chip sampling • Validate and replicate historic high-grade results • Undertake detailed geological and structural mapping • Complete soil geochemistry programs • Identify and prioritise drill targets • Initiate permitting for maiden drilling • Progress metallurgical testwork planning Fluorspar fluoresces purple under UV light. Calcite fluoresces orange/red Image source: https://www.naturesrainbows.com/post/2020/05/08/banded- fluorite-and-calcite-pure-potential-mine-la-paz-county-arizona Splinter Rock Rare Earth Project A Strategic US Critical Mineral Opportunity Tenements REE Clay Basins OD6 METALS | A CRITICAL MINERALS COMPANY 29 A 100% Owned Australian Critical Minerals Project SPLINTER ROCK REE PROJECT HIGHLIGHTS • Strong Rare Earth Demand Fundamentals • 682Mt at 1,338 ppm TREO JORC Resource • High Grade Inside Centre 119Mt at 1,632ppm TREO (Indicated) • ~75% Nd & Pr Overall Recovery • High-quality Mixed Rare Earth Carbonate (MREC) of ~56% TREO • High-quality Mixed Rare Earth Hydroxide (MREH) of ~59% TREO • Superior product quality with low levels of impurities (Al, Fe, P, Si) • Extremely low uranium and thorium content (<0.001% U + Th) • Optimised capital and operating cost drivers • Offtake Engagement – North America, Europe & Asia • Positive Study Outcomes - ANSTO and CPC • Accelerated Scale up Testing at ANSTO - 2.5t Metallurgical Core 1. Refer to ASX Announcement Mineral Resource Estimate Doubles 2. Refer to ASX Announcement IX Improves Processing Flowsheet 3. Refer to ASX Announcement High Quality MREC produced OD6 METALS | A CRITICAL MINERALS COMPANY 30 Upside to Towards Billions of Tonnes – Across a Tenement Holding Area of 949 km2 RESOURCE GROWTH POTENTIAL • Current resource based on drilling <10% of clay basins identified • Inside Centre has direct extensions of thick REE high-grade zones pending further drilling • Centre Basin Extends >30km to the NE • Potential to exceed well beyond 1 billion tonnes • Has the best zone even been discovered ? 1. Refer to ASX Announcement Mineral Resource Estimate Doubles 2. Refer to ASX Announcement Start of the Art Modelling Reveals Basin Extensions Inside Centre Indicated Resource OD6 METALS | A CRITICAL MINERALS COMPANY 31 Indicated MRE OF 119Mt at 1,632ppm TREO (at 1,000ppm TREO cutoff grade) INSIDE CENTRE - A HIGH GRADE STAND OUT Inside Centre to be the focus of future works Refer to ASX Announcement Mineral Resource Estimate Doubles OD6 METALS | A CRITICAL MINERALS COMPANY 32 Simplified Processing Pathway to Produce High Quality Low Impurity Product INNOVATIVE PROCESSING STEPS 1. Refer to ASX Announcement Innovative Process Flowsheet Selected with High Recoveries 2. Refer to ASX Announcement Nanofiltration Reduces Acid Requirements By Over 80% • Simple acidic heap leach • Capital intensive processing steps removed - tanks, thickening, clay washing, solid liquid separation • 84.5% Acid Recycling with Nanofiltration (NF) • 69% reduction in liquor volume sent to Ion Exchange (IX) and Impurity Removal (IR) Circuits • U & Th Removed from product OD6 METALS | A CRITICAL MINERALS COMPANY 33 Rare Earths Recovered with Simple Heap Leach OUTSTANDING METALLURGICAL RESULTS • Excellent overall Nd and Pr recovery of ~75% inclusive of impurity removal • Heavy Rare Earth (Gd to Lu + Y) recoveries add significant value • High quality MREC and MREH ~56-59% TREO and Low Impurity (Al, Fe, Si, U, Th) • Product quality meets or exceeds global MREC and MREH benchmarks 1. Refer to ASX Announcement Heap Leach Improves Met Recoveries 2. Refer to ASX Announcement IXI Improves Processing Flowsheet 3. Refer to ASX Announcement High Quality MREC produced 4. Refer to ASX Announcement Innovative Process Flowsheet Selected with High Recoveries 0 10 20 30 40 50 60 70 80 La Ce Pr Nd Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Y TREY Total REE % Recovery Inside Centre Deposit - Extraction by REE OD6 METALS | A CRITICAL MINERALS COMPANY 34 East Coast Research analysis highlights OD6 outperforms many of its peers BENCHMARKING ANALYIS BY RECOVERED TREO A close-up of a logo AI-generated content may be incorrect. 1. Refer to East Coast Research OD6 Metals 9 December 2025 “Recovery-Adjusted TREO Grade aligns resource grade with actual extractability, offering a more realistic view of grade quality once metallurgical performance is taken into account.” Recovery-Adjusted TREO Grade (ppm) on the x-axis, MREO% on the y-axis, and bubble size representing total recoverable TREO tonnage. Bubble size reflecting enterprise value, the x-axis displays Recoverable TREO (Mt), the y-axis shows Recovery-Adjusted TREO Grade (ppm). OD6 METALS | A CRITICAL MINERALS COMPANY 35 Advanced Metallurgical Testwork and Studies NEXT STEPS AT SPLINTER ROCK • ANSTO Testwork Scale Up: o Heap leach Optimisation: Heap Leach duration and kinetics, Acid strength and consumption, Counter current heap configuration, Particle agglomeration methodology o Impurity Removal Verification: Nanofiltration (NF) acid recovery, Ion Exchange (IX) selectivity, two stage Impurity Removal (IR) optimisation o Bulk MREC and MREH Production: Precipitation to produce >1 kg of MREC and/or MREH for customer qualification, offtake discussions, and to assess commercial payability options • Mining Study Commenced: Inside Centre Deposit pit shells, stripping ratios, mine scheduling and preliminary mining costs • Engagement with potential offtake partners • Engagement with government and potential financing partners • Review Selective Nd, Pr, Tb and Dy Oxide Production Potential 1. Refer ASX Announcement – Innovative Process Flowsheet Selected with High Recoveries at Splinter Rock Gulf Creek Copper Project Historic High-Grade Copper-Zinc Mine (1896-1912) OD6 METALS | A CRITICAL MINERALS COMPANY 37 Perfectly Positioned GULF CREEK COPPER • Tier 1 Location: Northern NSW, Australia • Ideally located with road access to Port of Newcastle • Situated between two renewable energy zones (REZ) • 83km from the nearest gas pipeline and rail lines GULF CREEK COPPER 23.75 km2 Tenement Area OD6 METALS | A CRITICAL MINERALS COMPANY 38 EARLY PHASE DRILLING CONFIRMS HIGH-GRADE COPPER • Successful 6 hole maiden drill program confirmed high-grade copper o 8m @ 1.41% Cu, 1.26% Zn, 7.08g/t Ag o 6m @ 1.32% Cu, 2.82% Zn, 9.02g/t Ag o 1m @ 4.33% Cu, 1.02% Zn, 2.5g/t Ag • Strong relationship between magnetism and massive sulphide mineralisation • Phase 2 drilling tested repeat structures identified by geophysics modelling • Downhole EM and magnetics has identified follow up targets for 2026 Plan view of Phase 1 drilling Exploration Targeting Methodology Continuing to be Optimised Refer to ASX Announcement High Grade Copper Massive Sulphides Refer to ASX Announcement Down Hole EM Survey Commences at Gulf Creek OD6 METALS | A CRITICAL MINERALS COMPANY Very elevated grades (up to 4.6% Cu) within hole GC0004 HIGH-GRADE COPPER CONFIRMED 39 Chip Trays from Hole GC0004 showing the classic VMS stratigraphic succession from hanging wall sediments, jaspilite, disseminate to semi-massive to massive sulphides to footwall basalts. Refer to ASX Announcement High Grade Copper Massive Sulphides OD6 METALS | A CRITICAL MINERALS COMPANY STRONG CONDUCTOR – COMPELLING NEW DRILL TARGET EM SURVEY IDENTIFIES OFF HOLE CONDUCTOR Refer to ASX Announcement Down Hole Electromagnetic Survey Identifies off Hole Conductor • DHEM surveying results complete across six drill holes using four surface EM loops • Strong conductor identified approximately 75m beyond the end of hole GDD010 • Geological reinterpretation indicates a potential fault offset of historic high-grade lodes mined • DHEM results at the Northwest Target indicates a possible additional conductor • Drill assay results pending from the recent diamond drilling program • OD6 fully permitted for additional 25 holes at Gulf Creek follow up drilling OD6 METALS | A CRITICAL MINERALS COMPANY >10km Target Horizon including Historic Murchison Mine SCALE POTENTIAL Refer ASX Announcement New Potential VMS Copper Targets at Gulf Creek 41 OD6 METALS | A CRITICAL MINERALS COMPANY 42 A 100% Owned Australian Critical Minerals Project GULF CREEK COPPER PROJECT HIGHLIGHTS & NEXT STEPS • Record copper prices supported by strong market fundamentals • Copper up to 4.6% Confirmed in Phase 1 Drilling • High Grade Production History (Up to 12% Cu) • Multiple High Priority Targets • >3km to 10km of VMS target horizon • Down Hole EM (DHEM) survey completed have refined the geophysical model and identified targets for follow-up work • Continued drilling during 2026 • 25-hole, ~7,500m Drill Program Permitted • Assays Results from Recent Drilling Pending CONTACT US LUCAS ROBINSON Investor Relations lucas@corporatestorytime.com +61 408 228 889 43 REGISTERED OFFICE c/o LCP Group Level 1, 1 Alvan Street Subiaco WA 6010 Phone: +61 8 6189 8515 Email: info@od6metals.com.au SHARE REGISTRY Computershare Investor Services Level 11, 172 St Georges Tce Perth WA 6000 www.od6metals.com.au ASX:OD6 CONTACT US OD6 METALS | A CRITICAL MINERALS COMPANY 44 At 1,000ppm Cut Off Grade SPLINTER ROCK MINERAL RESOURCE ESTIMATE Prospect Category Tonnes (Mt) TREO (ppm) Pr6O11 (ppm) Nd2O3 (ppm) Tb4O7 (ppm) Dy2O3 (ppm) MagREO (ppm) MagREO (% of TREO) Inside Centre Indicated 119 1,632 79 271 2 12 366 22.4% Centre Inferred 276 1,342 65 228 3 15 31