Announcement PDF 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 becomes ASX's property and may be made public. Introduced 30/09/01 Amended 01/01/11 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. 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. Part 2 - Change of director's relevant 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. Appendix 3Y Change of Director's Interest Notice Name of entity Lake Resources N.L. ABN 49 079 471 980 Name of director Robert Trzebski Date of last notice 20 October 2025 Direct or indirect interest Direct Nature of indirect interest (including registered holder) N/A Date of change 03 December 2025 No. of securities held prior to change 15,000,000 – Listed directors options exercise price $0.05 expiring 14 October 2028 Class Employee Awards Plan - Restricted Stock Units Number acquired 2,884,615 - Employee Awards Plan - Restricted Stock Units Number disposed Nil Value/Consideration Nil No. of securities held after change (1) 2,884,615 - Employee Awards Plan - Restricted Stock Units (2) 15,000,000 - Listed directors options exercise price $0.05 expiring 14 October 2028 Nature of change Employee Award Plan - Restricted Stock Unit Allotment Detail of contract N/A Nature of interest N/A + See chapter 19 for defined terms. 01/01/2011 Appendix 3Y Page 1 Part 3 - +Closed period Appendix 3Y Change of Director's Interest Notice 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 N/A Interest acquired N/A Interest disposed N/A Value/Consideration N/A Interest after change N/A 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 2