Atlantic Lithium Limited — Director's Dealing 2025

May 18, 2025

19 May 2025

Notice of Changes to Directors’ Interests

The Board of Atlantic Lithium Limited (AIM: ALL, ASX: A11, GSE: ALLGH, OTCQX: ALLIF, “Atlantic Lithium” or the “Company”), the Africa-focused lithium exploration and development company targeting the delivery of Ghana's first lithium mine, provides notice of changes to directors’ interests in accordance with listing rule 3.19A.2, and as agent for the following director for the purposes of section 205G of the Corporations Act 2001 (Cth):

• Keith Muller:

• Lapse of 2,000,000 Options over new ordinary shares of no par value each with an exercise price £0.50 which expired on 16 May 2025

Authorised for release by Amanda Harsas, Finance Director and Company Secretary, Atlantic Lithium Limited.

19 May 2025

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For any further information, please contact:

Atlantic Lithium Limited Neil Herbert (Executive Chairman)

Amanda Harsas (Finance Director and Company Secretary)

[www.atlanticlithium.com.au ]

IR@atlanticlithium.com.au

Tel: +61 2 8072 0640

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SP Angel Corporate Finance LLP Yellow Jersey PR Limited Canaccord Genuity Limited Nominated Adviser Charles Goodwin Financial Adviser: Jeff Keating Bessie Elliot Raj Khatri (UK) / Charlie Bouverat atlantc@yellowjerseypr.com Duncan St John, Christian Tel: +44 (0)20 3470 0470 Tel: +44 (0)20 3004 9512 Calabrese (Australia) Corporate Broking: James Asensio Tel: +44 (0) 20 7523 4500

Notes to Editors:

About Atlantic Lithium

www.atlanticlithium.com.au

Atlantic Lithium is an AIM, ASX, GSE and OTCQX-listed lithium company advancing its flagship project, the Ewoyaa Lithium Project, a significant lithium spodumene pegmatite discovery in Ghana, through to production to become the country’s first lithiumproducing mine.

The Project was awarded a Mining Lease in October 2023, an Environmental Protection Authority (“EPA”) Permit in September 2024, and a Mine Operating Permit in October 2024 and is being developed under an earn-in agreement with Piedmont Lithium Inc.

Atlantic Lithium holds a portfolio of lithium projects within 509km[2] and 771km[2] of granted and under-application tenure across Ghana and Côte d'Ivoire respectively, which, in addition to the Project, comprises significantly under-explored, highly prospective licences.

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Notice of Changes to Directors’ Interests

Page 2 of 2

Appendix 3Y Change of Director’s Interest Notice

Rule 3.19A.2

Appendix 3Y

Change of Director’s Interest Notice

Information or documents not available now must be given to ASX as soon as available. Information and documents given to ASX become ASX’s property and may be made public.

Introduced 30/09/01 Amended 01/01/11

Name of entity: Atlantic Lithium Limited ABN: 17 127 215 132

We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the director for the purposes of section 205G of the Corporations Act.

Name of Director	Keith Muller
Date of last notice	23 December 2024

Part 1 - Change of director’s relevant interests in securities

In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust

Note: In the case of a company, interests which come within paragraph (i) of the definition of “notifiable interest of a director” should be disclosed in this part.

Direct or indirect interest	Direct
Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest.	N/A
Date of change	16 May 2025
No. of securities held prior to change	765,217 Ordinary Shares 2,000,000 Options exercise price £0.50 expiry on 16 May 2025 653,160 Performance Rights with a vesting date 31 July 2025 816,450 Performance Rights with a vesting date 31 July 2026 1,086,128 Performance Rights with a vesting date 31 July 2027

• See chapter 19 for defined terms.

01/01/2011

Appendix 3Y Page 1

Appendix 3Y Change of Director’s Interest Notice

Class	Options
Number acquired	Nil
Number disposed	2,000,000 Options exercise price £0.50 expiry on 16 May 2025
Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation	Nil
No. of securities held after change	765,217 Ordinary Shares 653,160 Performance Rights with a vesting date 31 July 2025 816,450 Performance Rights with a vesting date 31 July 2026 1,086,128 Performance Rights with a vesting date 31 July 2027
Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back	Expiry of options.

Part 2 – Change of director’s interests in contracts

Note: In the case of a company, interests which come within paragraph (ii) of the definition of “notifiable interest of a director” should be disclosed in this part.

Detail of contract	N/A
Nature of interest	N/A
Name of registered holder (if issued securities)	N/A
Date of change	N/A
No. and class of securities to which interest related prior to change Note: Details are only required for a contract in relation to which the interest has changed	N/A
Interest acquired	N/A
Interest disposed	N/A

• See chapter 19 for defined terms.

Appendix 3Y Page 2

01/01/2011

Appendix 3Y Change of Director’s Interest Notice

Value/Consideration Note: If consideration is non-cash, provide details and an estimated valuation	N/A
Interest after change	N/A

Part 3 –[+] Closed period

Part 3 –+Closed period
Were the interests in the securities or contracts detailed above traded during a+closed period where prior written clearance was required?	No
If so, was prior written clearance provided to allow the trade to proceed during this period?	N/A
If prior written clearance was provided, on what date was this provided?	N/A

• See chapter 19 for defined terms.

01/01/2011

Appendix 3Y Page 3