Announcement PDF Appendix 3Y Change of Director’s Interest Notice Appendix 3Y Rule 3.19A.2 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: Future Battery Minerals Limited ABN: 91 148 966 545 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 Nicholas Rathjen Date of last notice 28 March 2025 0B 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 Indirect Nature of indirect interest (including registered holder) Aquitaine Private Equity Pty Ltd (trustee of Pot De Miel Family A/C) in which Mr Rathjen has a beneficial interest in. Date of change 18 June 2025 No. of securities held prior to change Indirectly held by Aquitaine Private Equity Pty Ltd (trustee of Pot De Miel Family A/C) in which Mr Rathjen has a beneficial interest in: Note: Provide details of the circumstances giving rise to the relevant interest. 11,800,000 Fully paid ordinary shares 12,000,000 Performance Rights – Exercisable once vested on or before 5 years from grant date, subject to meeting various vesting conditions (FBMAQ). Class + See chapter 19 for defined terms. 01/01/2011 Appendix 3Y Page 1 Ordinary Shares Appendix 3Y Change of Director’s Interest Notice Number acquired 755,000 ordinary shares Number disposed - Value/Consideration $14,910 No. of securities held after change Indirectly held by Aquitaine Private Equity Pty Ltd (trustee of Pot De Miel Family A/C) in which Mr Rathjen has a beneficial interest in: Note: If consideration is non-cash, provide details and estimated valuation 12,555,000 Fully paid ordinary shares 12,000,000 Performance Rights – Exercisable once vested on or before 5 years from grant date, subject to meeting various vesting conditions (FBMAQ). Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back On market trade 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 N/A interest related prior to change Note: Details are only required for a contract in relation to which the interest has changed 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 N/A Interest after change N/A Note: If consideration is non-cash, provide details and an estimated valuation Part 3 – +Closed period Were the interests in the securities or contracts detailed No above traded during a +closed period where prior written clearance was required? If so, was prior written clearance provided to allow the trade N/A to proceed during this period? If prior written clearance was provided, on what date was this N/A provided? + See chapter 19 for defined terms. 01/01/2011 Appendix 3Y Page 3