Mount Ridley Mines Limited · ASX:MRD
Mount Ridley Mines — Investor Presentation (August 2026)
19 slides from Mount Ridley Mines's investor presentation, Aug 27, 2026
Slide 1: An Integrated Critical Minerals Company
ASX: MRD For personal use only An Integrated Critical Minerals Company Heavy Rare Earths / Scandium / Gallium / Light Magnetic Rare Earths August 2026
Slide 2: Disclaimers & Forward-looking Statements
Disclaimers & Forward-looking Statements Disclaimer: that may cause actual results, performance or achievements to differ reported to qualify as a Competent Person as defined in the 2012 materially from those expressed or implied. Edition of the JORC Code. Mr Larder consents to the inclusion in this
Slide 3: Multi Critical Element Portfolio
Multi Critical Element Portfolio One Project. Four High-Value Critical Mineral Groups Co-Located Across the Grass Patch Complex. For personal use only Heavy Rare Earth Elements Scandium Gallium NdPr Magnetic REE • Dominant 41% HREO • Now the world's largest JORC • 838.7Mt resource footprint. • 23,50
Slide 4: Corporate Snapshot
Corporate Snapshot Building an Integrated Critical Minerals Company Key Metrics Board of Directors ASX: MRD For personal use only As at 26 August 2026 Targets: Share Price Shares on Issue Heavy Rare Earths / Scandium / Gallium / Light Magnetic Rare Earths $0.037 1.32b David Wall Allister Caird Locat
Slide 5: Corporate Highlights
Corporate Highlights Multi Critical Minerals Portfolio Large Shallow Resource <60m For personal use only HREE, Scandium, Gallium, and NdPr co-located Resource confined to shallow regolith, low strip within a single contiguous Australian project area ratios and simplified bulk extraction pathways Sel
Slide 6: Corporate Strategy
Corporate Strategy Three Key Pillars for Growth and Value Creation For personal use only 1. 2. 3. Downstream & Strategic Positioning Targeted Exploration Metallurgical Pathways And Partnerships & Expansion Focused on unlocking value through Positioning Mount Ridley within an Systematic exploration d
Slide 7: The SELECTRO Process
The SELECTRO For personal use only Process Single Leach High Purity Process End Products Reagent Environmental Generation Benefits Lower cost Lower environmental High recovery across Effective on raw or than HCL Footprint HREE, LREE, Sc, Ga beneficiated ore 7
Slide 8: SELECTRO Initial Test Results
SELECTRO Initial Test Results Proof-of-Concept Test Work Demonstrates Selective Results Summary Recovery Across All Key Critical Minerals For personal use only Test Work Overview Initial bench-scale test work was conducted on a representative Grass Patch composite prepared from historical diamond dr
Slide 9: The SELECTRO Next Steps
The SELECTRO For personal use only Next Steps 1. Beneficiated Performance SELECTRO Performance on flotation feed to be investigated 2. Accelerated Bulk Test Work Program Bulk test work program design to be informed by beneficiated program 3. Polymetallic Potential Investigate the broader applicabili
Slide 10: World's Largest JORC Scandium Resource
World's Largest JORC Scandium Resource Upgraded Mineral Resource Estimate, A Historic Milestone For personal use only 946Mt 47,357t #1 Total Resource Contained Sc Metal Global Ranking At 50.1ppm Sc / 76.8ppm Sc₂O₃ Including 72,637 tonnes World's largest JORC-compliant upgraded from 367.98Mt of conta
Slide 11: Grass Patch Project Combined Resource Summary
Grass Patch Project Combined Resource Summary Three Critical Mineral Groups. One World-Class Project. Scandium - World's Heavy Rare Earth Elements For personal use only Largest JORC Resource - High-Value REE Suite • 946Mt @ 50.1ppm Sc / 76.8ppm • 122.5Mt @ 889ppm TREO, 108,954t Sc₂O₃ — 47,357t conta
Slide 12: Grass Patch Complex - Macro Market Environment
Grass Patch Complex - Macro Market Environment Each Mineral Faces Structural Supply Deficits & Allied Policy-Driven Demand Scandium (Sc) Heavy Rare Earth Elements Gallium (Ga) For personal use only ~$3,600/kg | Acute Global Supply Deficit Dy: ~$930/kg | Tb: ~$1,800/kg | Y: ~$1,100/kg >$2,100/kg | 98
Slide 13: Critical Mineral Supply Risk
Critical Mineral Supply Risk Mount Ridley's Minerals Are Among the Most Geopolitically Exposed ★ MRD minerals For personal use only Mineral Non-Western Supply % Concentration Risk URGENT ALLIED DEMAND Gallium ★ 98% ████████████████████ Germanium 95% China dominates ███████████████████ refining for 1
Slide 14: Critical Mineral Price Premium
Critical Mineral Price Premium Mount Ridley's Portfolio Is Concentrated in the Highest-Value Critical Minerals ★ Minerals present in Mount Ridley's resource base Mineral USD/kg Price > USD For personal use only Price Relative Gallium = $2,100/kg Scandium ★ $3,600 ████████████████████ Scandium = ~$3,
Slide 15: Downstream Strategy
Downstream Strategy Building an End-to-End Processing Pathway. Feedstock to Final Product. Approach For personal use only Processing Pathway 1. Well-Established Sample Inventory End-to-end processing under evaluation - from regolith feedstock Substantial material available to support staged and disc
Slide 16: Technology Partners
Technology Partners Positioning MRD Within the Premier Allied Critical Minerals Research Ecosystem For personal use only LLNL — Lawrence Livermore National ORNL — Oak Ridge National Fraunhofer Institute — Germany Laboratory Laboratory MTA Executed. Initial 6-month Material Transfer MTA Executed. Sam
Slide 17: Western Australia — An Allied Critical Minerals Hub
Western Australia — An Allied Critical Minerals Hub China dominated supply chains & recent allied market interest Regulatory Stability For personal use only Mature, transparent mining legislation with clear permitting pathways and internationally recognized governance standards. Allied China markets
Slide 18: Indicative Project Timeline — CY2026 to CY2027
Indicative Project Timeline — CY2026 to CY2027 Near-Term Value Drivers For personal use only Q3 2026 1. Flotation Testwork Flotation testwork on Grass Patch composite ore, followed by SELECTRO leach testing on the resulting 2. Q3-Q4 2026 concentrate to validate performance uplift. Bulk Test Work Pro
Slide 19: References
References ASX announcements: 30 March 2023. “Resource Drilling Commences at Mount Ridley REE Project” 28 October 2025. “838.7Mt Gallium Resource Estimate at Mt Ridley” For personal use only 12 November 2025. “MRD Expands Rare Earth and Gallium Tenure” 25 November 2025. “33km of New REE-Gallium Targ
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