Announcement PDF Appendix 3Y Change of Director’s Interest Notice + See chapter 19 for defined terms. 01/01/2011 Appendix 3Y Page 1 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 Spacetalk Ltd ABN 93 091 351 530 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 Georg Johann Chmiel Date of last notice 28 November 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 Direct and Indirect Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest. Chmiel Super Pty Ltd ATF Chmiel Super Fund Mr Chmiel is the sole beneficiary of the superannuation fund. Date of change 5 December and 8 December 2025 No. of securities held prior to change Georg Johann Chmiel 249,034 Ordinary Shares 169,730 Performance Rights Chmiel Super Pty Ltd ATF Chmiel Super Fund 1,525,000 Ordinary Shares Class Ordinary Shares Performance Rights Converting Notes, converting 31 July 2026 Number acquired 169,730 Ordinary Shares 75,000 Converting Notes, converting 31 July 2026 Appendix 3Y Change of Director’s Interest Notice + See chapter 19 for defined terms. Appendix 3Y Page 2 01/01/2011 Number disposed 169,730 Performance Rights Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation 169,730 Performance Rights were exercised (to Ordinary Shares) for nil consideration. 75,000 Converting Notes converting 31 July 2026, were purchased for $75,000. No. of securities held after change Georg Johann Chmiel 418,764 Ordinary Shares 75,000 Converting Notes, converting 31 July 2026 Chmiel Super Pty Ltd ATF Chmiel Super Fund 1,525,000 Ordinary Shares Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back Exercise of Performance Rights, and subscription for Converting Notes converting 31 July 2026. 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 Appendix 3Y Change of Director’s Interest Notice + See chapter 19 for defined terms. 01/01/2011 Appendix 3Y Page 3 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 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