Announcement PDF High-grade Tin, Silver, Rare Earths, Yttrium, Scandium and Uranium NWR Communications Critical Mineral Webinar Presentation | 1 April 2026 Critical Minerals Exploration In South Australia’s Curnamona Province Heavy Rare Earths Limited | ASX:HRE 2 The information contained in this document (“Document”) has been prepared by Heavy Rare Earths Limited (referred to as “HRE Limited” or “the Company”). The purpose of this Document is to provide background information to assist readers in obtaining a general understanding of the Company's proposals and objectives. It is not and should not be considered as an offer or invitation to apply for or purchase any securities of the Company or as a recommendation or inducement to make an offer or invitation in respect of securities in the Company. No agreement to subscribe for securities will be entered into on the basis of this Document or any information contained in this Document. The Company has authorised the distribution of this Document to recipients (“Recipients”), subject to the terms of this Important Notice and Disclaimer, to assist them in deciding whether they wish to proceed with a further investigation of the Company. However, the information in this Document is not intended to form the basis of any investment decision in relation to the Company or its assets and should not be considered as a recommendation to the Recipient to invest in the Company or acquire the Company’s assets. This Document is not a prospectus, product disclosure document or other offering document under Australian law or under the law of another jurisdiction. The Recipient should carry out and should rely on their own independent review, investigation, analysis and due diligence of HRE Limited and its operations, business and assets. The information in this Document, which is selective and does not purport to contain all the information that the Recipient may require to evaluate the opportunity, has not been independently verified by the Company or any other person. The Company releases material information as announcements to the ASX (ASX:HRE). Recipients seeking further information in respect of the Company should review the Company’s announcements as released to the ASX from time to time. No representation or warranty, expressed or implied, is or will be made by the Company and its professional advisors and their related bodies corporate, affiliates and each of their respective directors, officers, partners, employees, advisers and agents and any other person involved in the preparation of this Document (collectively “Disclosers”) as to or in relation to the accuracy, reasonableness, completeness or reliability of this Document or any other written or oral information made available to any Recipients or their advisers and to the maximum extent permitted by law the Disclosers disclaim all liability and responsibility (including without limitation any liability arising from fault or negligence) for any direct or indirect loss or damage which may arise or be suffered through use of or reliance on anything contained in, or omitted from, this Document or any errors or omissions in this Document. In particular, no representation or warranty is given as to the achievability or reasonableness of any future projections, management estimates or plans, prospects or returns. The projections in this Document are indicative only and are not and should not be relied upon as representations as to future matters. The projections are based on assumptions that may or may not prove to be correct. The Recipient must make their own independent assessment and investigation of those assumptions. Various statements in this Document constitute statements relating to intentions, future acts and events (“Forward Looking Statements”). Forward Looking Statements involve subjective judgment and analysis, known and unknown risks, uncertainties and other important factors that cause those future acts, events and circumstances to differ from the way or manner in which they are expressly or impliedly portrayed herein. Disclosers do not make or give any representation, warranty or guarantee, express or implied, that any Forward-Looking Statements will be achieved or proven correct, or that any assumptions, projections, management estimates or plans on which the Forward-Looking Statements are based are reasonable. No historical financial information, estimates, projections, management estimates or plans contained in this Document or any other financial information derived from that information, can be relied upon as a promise or representation, as to the past, present or the future. None of the Disclosers makes or gives any representation, warranty or guarantee, express or implied, that the information in this Document is accurate, current, reliable or complete, has been or will be audited or independently verified, or that reasonable care has been taken in compiling, preparing or furnishing it. Nor do the Disclosers accept any responsibility to inform the Recipients of any matter arising or coming to its attention after this date. Neither the Company nor its representatives or agents undertake any obligation to to inform Recipients of any matter arising or coming to their notice after the above date which may affect any matter referred to in this Document or to provide the Recipients with access to any additional information or to correct any inaccuracies herein which may become apparent. Neither the receipt of this Document by any person nor any information contained in it or supplied with it or subsequently communicated to any person in connection with a proposed investment in or purchase of the Company’s assets constitutes, or is to be taken as constituting, the giving of investment, financial product, legal, tax or other advice advice to any such person. Each such person should make their own independent investigation and assessment, including obtaining their own professional advice. The distribution of this Document (including electronic copies) outside Australia may be restricted by law and persons who come into possession of this Document outside of Australia should seek advice on and observe any such restrictions. Any failure to comply with such restrictions may constitute a violation of applicable securities laws. This Document must not be copied, reproduced, distributed or passed to others at any time without the prior written consent of the Company. By accepting this Document, Recipient’s acknowledge and agree to be bound by the above statements. Competent Persons Statement The Exploration Results contained in this Document have been extracted from ASX releases dated 21 October 2024 and 30 October 2024. The Company confirms that it is not aware of any new information or data that materially affects the Exploration Results contained in the 21 October 2024 and 30 October 2024 ASX releases. All material assumptions and technical parameters supporting the Exploration Results in the ASX releases dated 21 October 2024 and 30 October 2024 continue to apply and have not materially changed. Important Notice and Disclaimer 3 Board and Corporate Snapshot Gabriel Chiappini Non-Executive Chairman Mr Gabriel Chiappini is a Chartered Accountant with over 20 years’ experience as a director, capital markets participant and a governance professional. He is a current director of EMC Gold Corporation (ASX:EM3) and Invictus Energy Limited (ASX:IVZ) and also served as the Governance Chair (Australia) at Adriatic Metals plc from pre-IPO in 2017 through to its USD$1.3bn takeover by DPM Metals. He is a current member of the Australian Institute of Company Directors and Institute of Chartered Accountants (Australia). Amanda Buckingham Non-Executive Director Dr Amanda Buckingham is a geophysicist with more than 30 years of experience in mineral exploration.. In addition to co-founding Cygnus Metals Limited (ASX: CY5) and Desert Minerals Limited (ASX: DM1), she serves as a director of several private companies, including Plutonic Limited, and is an Adjunct Research Fellow at the University of Western Australia. Prior to the takeover by Capricorn Resources, Amanda was the Managing Director of Warriedar Resources Limited (ASX: WA8) focused on the discovery and expansion of gold and antimony Resources in Western Australia. Graeme Morissey Non-Executive Director Mr Graeme Morissey is a Chartered Accountant with extensive experience serving as Chief Financial Officer (CFO) for a number of mining and mineral exploration companies listed on the Australian Securities Exchange (ASX). Graeme was the Chief Financial Officer for Warriedar Resources Limited (ASX: WA8) prior to its takeover by Capricorn Resources. He a Chartered Accountant (CA) and a Member of the Australian Institute of Company Directors (MAICD) and holds a Bachelor of Commerce from McMaster University in Canada. Shares on Issue $7.1million Market Cap (@ $0.034) $1.3million Cash (@ 31/12/25) $0nil Debt $5.8million Enterprise Value 61.7% Top 20 Shareholders 208million 4 Critical Minerals Flagship projects highly prospective for key critical minerals Silver Global renaissance of nuclear power has uranium in long-term bull-market with price up 30% in 12 months Uranium Used for clean energy tech, with prices up sharply in last 12 months after Chinese export controls Rare Earth Elements Strong price on AI infrastructure build out, electrification, and supply constraints. Price up 52% in 12 months Tin Used for EV motors, and price up over 1500% in 12 months after Chinese export restrictions Yttrium Scandium is critical for aerospace and clean energy, with price up >400% in 12 months Scandium Silver demand soaring from solar industry and precious metals investors, to push price up 160% in a year Heavy Rare Earths Limited | ASX:HRE 5 Prospect Hill (75 km2) – (HRE 80% rights to all minerals) • Prospect Hill hosts high-grade tin targets, e.g. South Ridge with intersections including 5 metres @ 3.32% Tin, within a 500m strike. • Prospective for silver and base metals, and untested for uranium • Largest known and most advanced Tin Project in SA • 2,500m maiden drill program planned for Q2 seeking to define MRE. Radium Hill (57 km2) - (HRE 80% rights to all minerals) • Highly prospective 8km-long critical minerals corridor with Rare Earth Elements, scandium, yttrium, vanadium, and uranium • Project comprises mineralised strike extensions of historic Radium Hill Mine, where 1.9 Mlbs U3O8 was produced between 1954 and 1961 Lake Namba-Billeroo (~2,820 km2) - (HRE 80% rights to U) • > 150 km, sparsely-tested, palaeochannel length, highly-prospective for sediment-hosted uranium, amenable to ISR mining. HRE’s Three Projects in the Curnamona High-grade Tin, Silver, Cu, REEs, Yttrium and Scandium Heavy Rare Earths Limited | ASX:HRE 6 Prospect Hill Project Q2 drilling targeting maiden Tin MRE Regional geology of Palaeo-Mesoproterozoic Mt Painter and Mt Babbage Inliers. • The Prospect Hill project comprises 75 km2 and lies on the north-western margin of the Curnamona Craton, South Australia • Well-endowed in critical and clean energy minerals, and geologically similar to nearby Gawler Craton • Rich historic dataset includes numerous high- grade tin intersections along a 500-metre strike at South Ridge • Previous drilling also demonstrates presence of other base metals and high-grade silver • 2,500m maiden RC program planned for Q2, targeting maiden MRE • Project also prospective for sedimentary-hosted uranium F F Heavy Rare Earths Limited | ASX:HRE 7 Prospect Hill Project Rich dataset acquired includes high-grade South ridge target Location of South Ridge and other key tin targets at Prospect Hill • Acquired dataset includes 71 RC holes, 19 percussion holes, 40 trenches, and numerous soil, stream and rock samples, over 6 main tin projects • The most advanced project is South Ridge, a shear zone hosted system, where drilling outlined steep-dipping tin mineralisation over 500 metres of strike, up to 120 metres depth and still open down-dip and along strike • Notable intersections include - 3 metres @ 4.85% Sn from 44 metres (PHRC03) - 5 metres @ 3.32% Sn from 84 metres (PHRC55) - 6 metres @ 2.33% Sn from 14 metres (PHP-15) • Also prospective for silver and base metals: - 1metre @ 282 g/t Ag, 1.87% Cu, 3.48% Zn, 3.16% Pb, with 2.9% Sn Heavy Rare Earths Limited | ASX:HRE 8 • South ridge is South Australia’s largest and most advanced tin project • Maiden Drilling Program targeting early Q2 to comprise ~20 Reverse Circulation holes and ~4 diamond holes, for a total of 2,500m • Program designed to test extensions to mineralisation • Company is anticipating the program will lead to a maiden JORC Resource Estimate • Program will also acquire drill core for further metallurgical testwork, with initial studies showing tin is mostly present as cassiterite which can be recovered by inexpensive gravity processing. Long view, looking north, of the South Ridge Prospect interpreted mineralisation model, showing zones of potential mineralisation extension, and drillhole piercement points on surface shown as coloured dots Prospect Hill Project 2,500m RC and Diamond program planned Heavy Rare Earths Limited | ASX:HRE 9 • Radium Hill Project is located on the southern margin of Curnamona Province, 90 km southwest of Broken Hill • Project comprises 55 km2 of highly prospective tenure, that includes the recently defined 8km-long Critical Minerals Corridor enriched with Yttrium, Scandium, Rare Earths, Uranium and Vanadium. • Is immediately along strike from, and adjacent to, the historic Radium Hill Mine – Australia’s first uranium mine • Mine produced 1.9 Mlbs @ 1,170 ppm U3O8 between 1954 and 1961 (though never assayed for Rare Earths, Yttrium or Scandium) • HRE recently negotiated Mineral Rights at Radium Hill to include all minerals, i.e. all critical minerals and precious and base metals Radium Hill Project Yttrium-Rare Earths-Scandium-Uranium The Radium Hill Mine circa 1955 Heavy Rare Earths Limited | ASX:HRE 10 • Aerial geophysics, historical records, and field follow-up, have focused on better defining an 8km+ structural zone extending from Radium Hill in the south to Bonython Hill in the north. • This structural corridor is along strike from the historic mine, and is enriched in a variety of critical minerals including Yttrium, Scandium, Rare Earth Elements, and Vanadium • Rock samples along this Critical Mineral Corridor test positive for high grade Scandium (to 959ppm Sc2O3), Yttrium (to 2236ppm Y2O3) and Uranium (to 3597ppm U3O8) • One target, Railway Prospect, lies just over 100m along strike from the Radium Hill mine, and returned 0.36% U3O8, 253 ppm Sc2O3, 1.26% TREO (incl. 0.13% Y2O3). • The recent work strengthens our geological model of Radium Hill as a critical minerals project, and drilling is planned subject to permit and consent approvals Radium Hill Project 8km-long‘Bonython Critical Minerals Corridor’ Heavy Rare Earths Limited | ASX:HRE 11 • Potential for sediment-hosted uranium upstream and downstream from Boss Energy’s Gould’s Dam deposit (25 Mlbs U3O8). • HRE has ~75 km of the Billeroo Palaeochannel’s northern extension, just 16 km north of Gould’s Dam. • ~30 m of Eyre Formation sands with lignitic material – the ideal uranium host, identified in a drillhole in 1972 with no follow-up. • 30km section of the Billeroo Palaeochannel which has never been tested by a single drillhole, only 20km “down-channel” from the Gould’s Dam Deposit • Widespread passive seismic and gravity survey completed by Atlas Geophysics with data processed and interpreted by Resource Potentials (RESPOT) of Perth. • This was integrated with reprocessed regional mag, gravity and TEM data to generate a paleogeographic model for drill planning Lake Namba-Billeroo Uranium Project 2,820 km2 of tenure prospective for uranium The Vast Lake Namba-Billeroo tenement 12 Investment Highlights Highly leveraged to exploration success in critical minerals portfolio Short-term catalysts Undemanding valuation and potential catalysts create significant leverage Leverage Experienced new board and management team to drive aggressive program Quality team South Australia ranks in the top 20 locations globally for mining investment Tier One Jurisdiction 3 high-quality critical mineral projects Quality Portfolio Exposure to Tin, Rare Earths, Yttrium, Scandium and Uranium Critical Minerals Exploration, results and resource definition to drive potential re-rate 13 Thank You Gabriel Chiappini Chairman A Level 21, 459 Collins Street Melbourne VIC 3000 E info@hreltd.com.au M +61 3 8630 3321 Contact Us