Announcement PDF 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 Atomos Limited ABN 25 139 730 500 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 Date of last notice Peter Gordon Barber 9 September 2025 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) Equities held by Monreii Pte Ltd, an entity controlled by Mr Barber. Date of change 12-16 September 2025 No. of securities held prior to change 109,081,145 FPOS 100,000,000 Options Class Fully Paid Ordinary Shares (FPOS) Note: Provide details of the circumstances giving rise to the relevant interest. Number acquired 1,383,589 Number disposed Nil Value/Consideration $15,219.48 Note: If consideration is non-cash, provide details and estimated valuation + See chapter 19 for defined terms. 01/01/2011 Appendix 3Y Page 1 Appendix 3Y Change of Director’s Interest Notice No. of securities held after change 110,464,734 FPOS 100,000,000 Options Nature of change On market trade Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buyback 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 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 + See chapter 19 for defined terms. Appendix 3Y Page 2 01/01/2011 Appendix 3Y Change of Director’s Interest Notice 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 N/A trade to proceed during this period? If prior written clearance was provided, on what date was N/A this provided? 19 September 2025 + See chapter 19 for defined terms. 01/01/2011 Appendix 3Y Page 3