Abx Group Limited · ASX:ABX
Abx — Technical Presentation (April 2026)
21 slides from Abx's technical presentation, Apr 23, 2026
Slide 1: Director Presentation at Sydney Mineral Exploration Discussion Group
ASX Announcement 23 April 2026 ASX: ABX Director Presentation at Sydney Mineral Exploration Discussion Group ABx Group Limited (ASX: ABX) (ABx or the Company) is pleased to provide the attached material being presented by Director Ian Levy at the Sydney Mineral Exploration Discussion Group (SMEDG) T
Slide 2: ABx's ionic clay rare earth deposits in Tasmania, Australia
Suite 2 Level 11, 385 Bourke St, Melbourne VIC 3000 ASX: ABX P: +61 3 9692 7222 F: +61 2 9956 7355 E: corporate@abxgroup.com.au W: www.abxgroup.com.au For personal use only ABx’s ionic clay rare earth deposits in Tasmania, Australia The only true ionic clay REE in Australia ABx discoveries Ian Levy
Slide 3: Disclaimer
Disclaimer This presentation has been prepared by ABx Group Limited ACN 139 494 885 (“ABx” or the “Company”). It should not be considered as an offer or invitation to subscribe for or purchase any securities in the Company or as an inducement to make an offer or invitation with respect to those secu
Slide 4: ABx business: REE, Fluorine & Bauxite for fertiliser & cement
ABx business : REE, Fluorine & Bauxite for fertiliser & cement ABx REE research lab For personal use only Tasmania Slide 3
Slide 5: ABx rare earths in Tasmania contain the most critical Dy & Tb REEs
ABx rare earths in Tasmania contain the most critical Dy & Tb REEs ❑ True ionic adsorption clay IAC REE deposits* ** For personal use only ❖ Highly enriched in Dy & Tb amongst best globally ❖ Highest critical ratio Dy+Tb/TREO 4% to 6% ❑ Resources 89Mt @ 884ppm TREO & growing** Launceston ❑ Low cost,
Slide 6: Resource of 89 million tonnes from 29% of target zones & growing
Resource 89 million tonnes @ 844ppm TREO from 29% of target zones & growing. Discovered 2020 (Covid) Enriched in Dy & Tb which is needed for wind turbines and guidance systems Drilled Oct’21 to Feb’24 1,077 holes, 9,742 metres 895 holes REE sampled 3,843 metres REE assayed For personal use only 18.4
Slide 7: ABx rare earth resources exceed 89Mt
ABx rare earth resources exceed 89Mt* * See ASX release 04 May 2024 For personal use only Parameters: Note 1 ppm = 1 gram/t: Block cut-off grade (cog) = US$30/t (~350ppm TREO-CeO2) Min thickness = 2 metres Density = 1.9 t/metre3 Search ellipse = 120 x 150m (Meas & Ind), 250 x 250m (Inf). TREO = tota
Slide 8: ABx deposits are aligned with REE market trends
ABx deposits are aligned with REE market trends USD$/tonne REE (oxide) ABx Deposits For personal use only at 6/3/26 La $740 Ce $1,990 Pr $133,100 Rich in Pr Nd $133,500 Rich in Nd Sm $2,380 Eu $24,900 Tb & Dy are vital but supply is the most uncertain Gd $36,300 Tb $908,500 Most enriched in Tb • Har
Slide 9: Regional Geology: Basalts & dolerite in northern Tasmania
Regional Geology Basalts & dolerite in northern Tasmania Ages in Ma Deep Leads 1. Cenozoic erosion, glaciation, young soils For personal use only developed (unique in Australia). DAMP 2. Alkali Basalts filled rivers and gullies 20 to 30Ma. Heavily eroded and bauxitised Alkali in places. Often absent
Slide 10: Ferrar dolerite large igneous province. Jurassic ~170Ma
Ferrar dolerite large igneous province. Jurassic ~170Ma Ferrar dolerite sill in Antarctica Strong layering and granophyric phases For personal use only Ferrar dolerite sill in Tasmania Strong layering and granophyric phases Ferrar dolerite Ferrar tholeiitic dolerite extends along the covers 1/3rd of
Slide 11: Ferrar Dolerite erosion & weathering
Ferrar Dolerite erosion & weathering DEEP LEADS DURING THE ICE AGE 1 metre For personal use only Ice-cut gullies Lateral moraine rubble & clays Altered/rotted dolerite (medium extraction rate) Fresh dolerite (zero extraction rate) (low-med extraction rate) Spheroidal weathering & clays formed in Tas
Slide 12: Deep Leads – Mound Geology
Deep Leads – Rubble Leech Mound Geology Scrub Bauxite For personal use only 1. Shallow clay layer: Bauxite-laterite & clays with bauxite & dolerite grains Deep Leads Tertiary laterite 2. REE clay layer & bauxite Jurassic 3. River gravel layers in a few places dolerite 4. Weathered dolerite Rubble Ba
Slide 13: Deep Leads–Rubble Mound Projects
Hole RM336 * Hole RM302 * 8m @ 6,400ppm TREO 11m @ 1,700ppm TREO Deep Leads–Rubble Mound Projects + 3rd discovery at Leech Scrub For personal use only Deep Leads viability being Deep Leads assessed & engineered High grades* • Overburden 5m thick Bx Quarry ML • REE horizon avg 8m thick • Sits on dole
Slide 14: Assays for Leech Scrub discovery hole RM336
Assays for Leech Scrub discovery hole RM336 (3rd mine centre?) Hole RM336 Location - see Map Other Rare Earth Elements TREO- Perm Dy+Tb For personal use only From To Length TREO Dy2O3 Tb4O7 CeO2 Er2O3 Eu2O3 Gd2O3 Ho2O3 La2O3 Lu2O3 Nd2O3 Pr6O11 Sm2O3 Tm2O3 Y2O3 Yb2O3 CeO2 Mag REO TREO m m m ppm ppm p
Slide 15: Discovery hole RM336: 60t bulk pit confirmed grades
Discovery hole RM336 (3rd mine centre?): 60t bulk pit confirmed grades For personal use only TREO ppm 126 952 6,719 17,333 12,894 4,817 4,285 2,078 2,167 Dy2O3 4 19 235 819 600 213 191 91 95 Tb4O7 0.6 3 40 138 99 35 32 15 16 Slide 14
Slide 16: REE project business concepts for ionic adsorption clay REE
REE project business concepts for ionic adsorption clay REE For personal use only Mine Concentrate Rehabilitate Improve Sell mixed rare earths carbonate • Dredge, Hydraulic • Simple, low-cost “MREC” • Water treated • Contour land mine & slurry? leachate pH 4 Australia &/or overseas • Clays dewatered
Slide 17: Processing - critical factor of clay-hosted REEs
Processing - critical factor of clay-hosted REEs. MOST DON’T WORK For personal use only 3-step process Slide 16
Slide 18: Not all clays are created equal: pH is most important factor
Not all clays are created equal: pH is most important factor Low acid High ore acid acid 6 Chart based on ABx Most Australian Clay REE projects /kg REO) • For personal use only published data 5 Contained potential revenue • As pH decreases, reagent cost alone 4 Reagent Cost and roduct rice ( can be
Slide 19: Land-Use & Infrastructure Setting
Land-Use & Infrastructure Setting ABx endorses best practices on agricultural land, strives to leave land & environment better than we find it. We only operate where welcomed. IAC REE occurs on poorer For personal use only land, not cropping land Replanted pine plantations and some scrubland Support
Slide 20: Future of Australian clay-hosted REE deposits
Future of Australian clay-hosted REE deposits Lessons from Australia’s 175 years of mining success 1. Metallurgical breakthroughs are happening for mainland clay REE projects For personal use only Historical examples: 1. Carbon-in-leach cyanidation for gold 2. Flotation for base metals 3. Heap leach
Slide 21: Thank you
For personal use only Thank you Suite 2 Level 11, 385 Bourke St, Melbourne VIC 3000 P: +61 3 9692 7222 F: +61 2 9956 7355 E: corporate@abxgroup.com.au W: www.abxgroup.com.au