Interim Results for six-month ending 30 June 2026
Original announcement by lse on
- Company
- CleanTech Lithium PLC
- Ticker
- CTL
- Exchange
- LSE
- Region
- Chile
- Primary commodity
- Lithium
- Secondary commodities
- None reported
- Document categories
- Resource update, Metallurgy, Other
- Extracted
- 2026-09-21 14:28:22 UTC
Analysis by Minestarters Atlas
Atlas analysis published:
Minestarters Atlas analysis
Summary
CleanTech Lithium PLC announced its interim results for H1 2026, highlighting the completion of a Pre-Feasibility Study for its Laguna Verde project, which defined a maiden Probable Ore Reserve and strong economics. The company also agreed on contractual terms for a 40-year Special Lithium Operating Contract (CEOL) in Chile and successfully validated its Direct Lithium Extraction (DLE) process, producing high-purity lithium carbonate. Financially, the company completed a £5.3 million fundraising and restructured its Laguna Verde concession acquisition, reducing cash consideration, though a material uncertainty regarding going concern remains.
Reasoning: The company achieved significant project development milestones, including a positive PFS and CEOL agreement, alongside successful DLE validation and a capital raise. These positives are tempered by an ongoing going concern warning and the CEOL's pending final approval.
Positive factors
- Completion of Pre-Feasibility Study with positive economics for Laguna Verde.
- Declaration of a maiden Probable Ore Reserve.
- Agreement on contractual terms for a 40-year Special Lithium Operating Contract (CEOL), de-risking the project.
- Successful validation and optimization of Direct Lithium Extraction (DLE) process, producing high-purity lithium carbonate.
- Significant reduction in aggregate cash consideration for Laguna Verde concessions.
- Successful £5.3 million fundraising and conversion of loan notes to equity.
- Advancing towards an ASX dual-listing to broaden investor access.
Negative factors
- Material uncertainty related to going concern highlighted by auditors.
- CEOL still subject to final review by the Comptroller General’s Office, delaying full ratification.
- Company remains in a loss-making position.
Low confidence — this extraction should be reviewed alongside the original source.
Facts used in scoring: 2
Classification and evidence
Permitting Progresspositive · Story-specific tag
No canonical definition is currently available.
Why it applies: The company 'agreed the contractual terms of a 40-year CEOL for Laguna Verde'.
Evidence · text
“agreed the contractual terms of a 40-year CEOL for Laguna Verde”
Capital Raisepositive · Story-specific tag
No canonical definition is currently available.
Why it applies: The company announced a '£5.3 million fundraising across two tranches'.
Evidence · text
“announced a £5.3 million fundraising across two tranches”
Going Concern Warningnegative · Story-specific tag
No canonical definition is currently available.
Why it applies: The auditor's report highlights a 'material uncertainty related to going concern'.
Evidence · text
“material uncertainty exists that may cast significant doubt on the entity’s ability to continue as a going concern”
Strategic Partnershippositive · Story-specific tag
No canonical definition is currently available.
Why it applies: The company is advancing its 'strategic-partner selection and project-financing process'.
Evidence · text
“advances its strategic-partner selection and project-financing process”
Reduced Liabilitiespositive · Story-specific tag
No canonical definition is currently available.
Why it applies: The company restructured the consideration for concessions, 'reducing aggregate cash consideration from US$35.0 million to US$14.0 million'.
Evidence · text
“reducing aggregate cash consideration from US$35.0 million to US$14.0 million”
Single Domain Onlynegative
Testing limited to one composite or domain — representativeness not established.
Why it applies: only one composite was tested
Extracted facts
Stored fact records: 2. Some facts used in scoring do not have a stored record.
Resource Estimates (1)
probableLaguna Verde · lithiumContained Metal: 378000Contained Unit: tonnes lceView all detailsHide details
Identity
- Project
- Laguna Verde
- Commodity
- lithium
- Region
- chile
- Reported Region
- Chile
- Ticker
- CTL
Resource scope
- Estimate type
- reserve
- Resource group id
- resource:03b3f460fe80583a2ee1
Resource Data
- Category
- probable
- Contained Metal
- 378000
- Contained Unit
- tonnes lce
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-21T00:00:00.000Z
Reasoning: The declaration of a maiden Probable Ore Reserve is a significant de-risking event and a key milestone for the Laguna Verde project, indicating substantial lithium resources.
Positive factors
- Declaration of a maiden Probable Ore Reserve provides a strong foundation for project development.
- The reserve size of 378,000 tonnes LCE indicates significant scale.
Negative factors
- The cut-off grade for the reserve is not disclosed, limiting comparability.
Evidence · text
“maiden Probable Ore Reserve of 378,000 tonnes of LCE”
Tags used in scoring
No QP/CP Disclosurenegative
No Qualified Person or Competent Person named — lower credibility for the estimate. A QP/CP should be a member of a recognized professional association with relevant experience.
Why it applies: no Qualified or Competent Person is named anywhere in the release
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
Metallurgical Results (1)
pilot plantLaguna Verde · lithiumView all detailsHide details
Identity
- Project
- Laguna Verde
- Commodity
- lithium
- Region
- chile
- Reported Region
- Chile
- Ticker
- CTL
Test Work
- Program Status
- optimization
- Test Type
- pilot plant
- Processing Route
- Direct Lithium Extraction
- Sample
- Laguna Verde eluate
Recovery
- Conc. Grade
- 99.9
- Conc. Grade Unit
- %
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-21T00:00:00.000Z
Reasoning: The successful production of high-purity lithium carbonate from the pilot plant validates the DLE process and is a significant step towards commercial production, demonstrating technical viability.
Positive factors
- Production of high-purity lithium carbonate (99.9%) demonstrates successful DLE process validation.
- Pilot plant scale testing indicates advanced stage of metallurgical work.
Evidence · text
“five campaigns produced approximately 330kg of high-purity lithium carbonate from Laguna Verde eluate, with final product purity of 99.9%”
How Atlas produces this analysis
Minestarters Atlas uses automated extraction to summarize mining announcements, identify reported measurements, and classify supporting evidence. Sentiment reflects the extracted narrative and classification rules; it is an interpretation, not a reported measurement. Evidence quotes and context are provided where available. Missing data, low-confidence results, and review flags indicate limitations. Check the original publisher announcement before relying on an interpretation.