THIS ANNOUNCEMENT AND THE INFORMATION CONTAINED HEREIN IS RESTRICTED AND IS NOT FOR RELEASE, PUBLICATION OR DISTRIBUTION, IN WHOLE OR IN PART, DIRECTLY OR INDIRECTLY, IN, INTO OR FROM THE UNITED STATES, AUSTRALIA, CANADA, JAPAN, NEW ZEALAND, THE REPUBLIC OF SOUTH AFRICA OR ANY OTHER JURISDICTION IN WHICH SUCH RELEASE, PUBLICATION OR DISTRIBUTION WOULD BE UNLAWFUL.

1 July 2026

CleanTech Lithium PLC ("CTL", CleanTech Lithium" or the "Company")

Results of GM, Total Voting Rights and Options Award

CleanTech Lithium PLC (AIM: CTL, Frankfurt:T2N), an exploration and development company advancing sustainable lithium projects in Chile, is pleased to announce that all resolutions were passed at the General Meeting ("GM") held earlier today.

Therefore, a total of 55,007,875 new Ordinary Shares comprising 40,339,576 Conditional Placing Shares, 10,063,749 Retail Offer Shares and 4,604,550 Subscription Shares (each as defined in the Company's Circular published on 9 June 2026) (together the "New Ordinary Shares"), for which application has been made, are expected to be admitted to trading on AIM at 8.00 a.m. on 2 July 2026 ("Admission"). 

As set out in the Circular, Steve Kesler agreed to satisfy amounts owed to him by the Company, being £276,273, by subscribing for 4,604,550 Subscription Shares at the Issue Price. Furthermore, Steve Kesler has notified the Company that he is transferring 359,090 Ordinary Shares for nil consideration from his individual account into a joint account with his wife. Following Admission, Steve Kesler will be interested in 4,963,640 Ordinary Shares representing 1.37 per cent. of the Company's enlarged ordinary share capital following the Admission.

Options Award

Following shareholder approval the Company has today awarded a total of 19,966,431 new options under the Company's existing Share Option Plan. Options are subject to the various conditions set out in paragraph 11 of the Circular.  Out of the total amount 18,166,431 options have been awarded to PDMRs with further information set out in the PDMR notification below.

Total voting rights

Following Admission, the Company will have a total of 362,991,716 Ordinary Shares in issue. The Company does not hold any Ordinary Shares in treasury and accordingly as from Admission the total number of voting rights in the Company will be 362,991,716.

With effect from Admission, this figure may be used by shareholders as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in the Company, under the Disclosure Guidance and Transparency Rules of the Financial Conduct Authority. 

The New Ordinary Shares will, when issued, be credited as fully paid and will rank pari passu in all respects with the existing ordinary shares of the Company. 

Beaumont Cornish Limited ("Beaumont Cornish") is the Company's Nominated Adviser and is authorised and regulated by the FCA. Beaumont Cornish's responsibilities as the Company's Nominated Adviser, including a responsibility to advise and guide the Company on its responsibilities under the AIM Rules for Companies and AIM Rules for Nominated Advisers, are owed solely to the London Stock Exchange. Beaumont Cornish is not acting for and will not be responsible to any other persons for providing protections afforded to customers of Beaumont Cornish nor for advising them in relation to the proposed arrangements described in this announcement or any matter referred to in it.

Notes

CleanTech Lithium (AIM:CTL, Frankfurt:T2N) is an exploration and development company advancing lithium projects in Chile for the clean energy transition. CleanTech Lithium has two key lithium projects in Chile, Laguna Verde and Viento Andino, and exploration stage project in Arenas Blancas (Salar de Atacama), located in the lithium triangle, a leading centre for battery grade lithium production. CleanTech Lithium and the Mining Ministry in Chile have agreed the contractual terms for the Special Lithium Operating Contract ("CEOL") for Laguna Verde, subject to final ratification.

CleanTech Lithium is committed to utilising Direct Lithium Extraction ("DLE") with reinjection of spent brine. Direct Lithium Extraction is a transformative technology which removes lithium from brine with higher recoveries, short development lead times and no extensive evaporation pond construction. For more information, please visit: www.ctlithium.com

Appendix 1

Notifications of Transactions of Directors/Persons Discharging Managerial Responsibility and Connected Persons

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