You must review the Notice of Meeting and Explanatory Memorandum in full This
presentation summarises information provided in Sayona’s Notice of Meeting and Explanatory Memorandum lodged with the ASX on 20 June 2025 and available on Sayona’s website here (Notice of Meeting and Explanatory Memorandum). This summary
of the information contained in the Notice of Meeting and Explanatory Memorandum is incomplete and you must read the information in the Notice of Meeting and Explanatory Memorandum itself in full. The notices and disclaimers contained in
the “Important notices” section on pages 2 to 5 of the Notice of Meeting and Explanatory Memorandum apply equally in respect of this presentation, with special note to (but not limited to) the disclaimers in respect of financial information
and forward-looking statements, mineral resources and ore reserves, production target disclosures and JORC code. Disclaimer No representation or warranty, express or implied, is made as to the fairness, accuracy, completeness or
correctness of the information, opinions or conclusions contained in or derived from this presentation or any omission from this presentation or of any other written or oral information or opinions provided now or in the future to any
person. To the maximum extent permitted by law, neither the Company nor any of its affiliates, related bodies corporate and their respective officers, directors, employees, advisors and agents, nor any other person, accepts any liability
as to or in relation to the accuracy or completeness of the information, statements, opinions, or matters (express or implied) arising out of, contained in or derived from this presentation or any omission from this presentation or of any
other written of oral information or opinions provided now or in the future to any person. No reliance This presentation is not a prospectus, disclosure document or offering document under Australian law or under the law of any other
jurisdiction. It is for informational purposes only. This document does not constitute and should not be construed as, an offer to sell or a solicitation of an offer or invitation to subscribe for, buy, or sell securities in the Company and
no reliance should be placed on it. Any material used in this presentation is only an overview and summary of the Notice of Meeting and Explanatory Memorandum. The presentation does not purport to contain all the information that a
prospective investor may require in evaluating a possible investment in the Company, nor does it contain all the information which would be required in a disclosure document prepared in accordance with the requirements of the Corporations
Act and should not be used in isolation as a basis to invest in the Company. Recipients of this presentation must make their own independent investigations, consideration and evaluation of the Company. The distribution of this presentation
in other jurisdictions outside of Australia may also be restricted by law and any restrictions should be observed. To avoid doubt, this presentation is not for distribution or dissemination within the US and Canada. Any failure to comply
with such restrictions may constitute a violation of applicable securities laws. Forward Looking Statements This presentation may contain certain forward-looking statements. Such statements are only predictions, based on certain
assumptions and involve known and unknown risks, uncertainties and other factors, many of which are beyond Sayona Mining Limited’s control. Actual events or results may differ materially from the events or results expected or implied in any
forward-looking statement. The inclusion of such statements should not be regarded as a representation, warranty or prediction with respect to the accuracy of the underlying assumptions or that any forward-looking statements will be or are
likely to be fulfilled. Sayona Mining Limited undertakes no obligation to update any forward-looking statement or other statement to reflect events or circumstances after the date of this presentation (subject to securities exchange
disclosure requirements). The information in this presentation does not take into account the objectives, financial situation or particular needs of any person. Nothing contained in this presentation constitutes investment, legal, tax or
other advice. 17 Important Information and Disclaimer