Cleantech Lithium Plc · LSE:CTL
Cleantech Lithium — Investor Presentation (November 2025)
19 slides from Cleantech Lithium's investor presentation, November 2025
Slide 1: Scaling Next-Generation Lithium Projects in Chile
Company Presentation l February 2025 AIM: CTL Scaling Next-Generation Lithium Projects in Chile November 2025 CleanTech Lithium | Company Presentation 2025 1
Slide 2: Disclaimer
Disclaimer Thi s present ation (“Presentation”) is being supplied to you solely for your information. The Present ation has been prepared by, and is the sole responsibility of CleanTech Lithium (the “Company”, or “CleanTech” or “CTL”). The dire ctors of the Com pany have taken all reasonable care to
Slide 3: Company Snapshot
CleanTech Lithium Company Snapshot Three lithium projects in Chile, prospective to development stage AIM: CTL listed in March 2022. Plans to dual-list on ASX, process well-advanced Shares on issue ~200 million. Current Market valuation ~£12m* Major Shareholders include established resource funds *As
Slide 4: Senior Management that has Delivered Major Mining Projects
Leadership team with extensive in-country and international experience Senior Management that has Delivered Major Mining Projects Dr. Steve Kesler Non Exec-Chairman Gordon Stein CFO Chile experience, first CEO of Collahuasi Chartered Accountant with over 30 years of expertise and VP Escondida leadin
Slide 5: Developing Lithium Projects Located in an established Mining District
CleanTech Lithium’s Projects Developing Lithium Projects Located in an established Mining District Chile is looking for private companies like CleanTech Lithium to help unlock potential of selected salar basins, led by the National Lithium Strategy. Scoping studies completed for Laguna Verde and Vie
Slide 6: Flagship project Laguna Verde
So where are we today in November 2025? Flagship project Laguna Verde Invested over US$30 million and completed successful drilling campaigns since 2022 which have established major JORC resource of 1.9 million tonnes LCE, 0.84 mt M&I. Delivered the Scoping Study and the PFS is being finalised, led
Slide 7: Direct Lithium Extraction
Direct Lithium Extraction "It (DLE) is actually the solution to provide the lithium that the world needs," Former Rio Tinto CEO Jakob Stausholm CleanTech Lithium | Company Presentation 2025 Technicians installing the DLE Pilot Plant at the R&D centre in Copiapó 7
Slide 8: Selective Extraction of Lithium from Brine
Direct Lithium Extraction (DLE) Selective Extraction of Lithium from Brine DLE used commercially for >20 years by Livent in Argentina, and more recently in China and now seeing major investment e.g. Rio Tinto Much higher recoveries than evaporation ponds Short production (1 to 2 days) vs evaporation
Slide 9: Producing Pilot Scale Lithium Carbonate
Advancing DLE in Chile Producing Pilot Scale Lithium Carbonate We are producing lithium carbonate from Laguna Verde concentrated eluate - recently proven to be high purity (99.78%) with low impurities (Jan 2025). Focus is on scaling these results and with further refinement to produce up to 1 tonne
Slide 10: Process Optimised for Battery Grade Samples
Process Optimised for Battery Grade Samples Produced battery-grade lithium carbonate with 99.75% purity. Results were very positive and demonstrated scalable process Pilot plant first stage production completed: 88m3 of concentrated eluate (approx. 1 tonne LCE) Total recovery of 88% for lithium from
Slide 11: Operating Contract (CEOL) with the Chilean Government
Delivering the project Operating Contract (CEOL) with the Chilean Government Laguna Verde is one of six salars to be fast-tracked by the Chile Gov’t for CEOL awards as part of a stream-lined process. CleanTech in talks with Chilean government re Special Lithium Operating Contract application. CTL ho
Slide 12: Expected New CEOL (Operating Contract) Timeline with Chilean Government
Pathway to production Expected New CEOL (Operating Contract) Timeline with Chilean Government August to October November to December January 2026 onwards Indigenous consultations conducted Once the community consultations Official new CEOL application expected by the Government to agree on have comp
Slide 13: Strong Stakeholder Relationships based on Co-designed Agreement with Local Communities
ESG-led approach Strong Stakeholder Relationships based on Co-designed Agreement with Local Communities Early engagement with indigenous communities has led to an agreement to collaborate on the Environmental Impact Assessment (EIA) and CEOL permitting process CleanTech is collaborating with local u
Slide 14: CleanTech Lithium's Development plan
CleanTech Lithium’s Development plan Major activity from 2026 onwards when lithium price is starting to show return 2017 - 2020 2023 PFS for Laguna Verde Scoping Studies Plant Company founded, field leading into DFS trips to identify highly two projects Construction Phase prospective projects EIA wi
Slide 15: Premium Lithium Product for the Growing EV and Energy Storage Market
CleanTech Lithium Business Case Premium Lithium Product for the Growing EV and Energy Storage Market Chile – largest reserves with pro- Early engagement with local DLE gov’t, and CEOL process communities. First co-designed underway alliance to collaborate on EIA Scaling battery grade lithium Strateg
Slide 16: Thank You
Thank You Despite challenges, we keep developing our projects and delivering on key milestones towards production. The lithium price crash caught everyone off guard but we kept moving. We didn’t stop, we built and advanced our projects. Now, as prices start to show recovery and the industry matures,
Slide 17: Brine-based lithium projects cost advantage
Brine vs Hard-Rock Brine-based lithium projects cost advantage The price line corresponds to the current carbonate price, July 2025 Source: Benchmark Mineral Intelligence July 2025 CleanTech Lithium | Company Presentation 2025 17
Slide 18: Viento Andino
Project 2 Viento Andino 127km2 licence area – located within 100km of Laguna Verde, similar key infrastructure Water and power access nearby: 10km away from substation at Maricunga mine Average grade 207 mg/L Li Scoping study published Sept 2023 with positive economics JORC Resource Measured Indicat
Slide 19: Arenas Blancas – Exploration Upside
Project 3 Arenas Blancas – Exploration Upside Located on periphery of Salar de Atacama basin (30% of global lithium production in 2024) 200km2 licence area, located outside the CORFO strategic area Geophysics indicates the highly lithium enriched subsurface aquifer extends into licence area Well dri
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