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 Ardiden Ltd ABN 82 110 884 252 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 Tara Robson Date of last notice 4 December 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) Note: Provide details of the circumstances giving rise to the relevant interest. Ken Robson - spouse Date of change 10/2/26 No. of securities held prior to change Direct 29,534 fully paid ordinary shares 174,418 Option Expiring 13-Jun-2027 Ex $0.43; 116,279 Options Expiring 4 Apr 2026 Ex $0.946 and 1,000,000 Tranche D Performance Rights expiring 22 Jan 2027 1,000,000 Tranche E Performance Rights expiring 22 Jan 2029 Class ORD Appendix 3Y Change of Director’s Interest Notice + See chapter 19 for defined terms. Appendix 3Y Page 2 01/01/2011 Number acquired 49,950 ordinary shares Number disposed Nil Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation $19,980 No. of securities held after change Direct 29,534 fully paid ordinary shares 174,418 Option Expiring 13-Jun-2027 Ex $0.43; 116,279 Options Expiring 4 Apr 2026 Ex $0.946 and 1,000,000 Tranche D Performance Rights expiring 22 Jan 2027 1,000,000 Tranche E Performance Rights expiring 22 Jan 2029 Indirect 49,950 fully paid 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 Acquired on-market 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 Nature of interest Name of registered holder (if issued securities) Date of change Appendix 3Y Change of Director’s Interest Notice + See chapter 19 for defined terms. 01/01/2011 Appendix 3Y Page 3 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 Interest acquired Interest disposed Value/Consideration Note: If consideration is non-cash, provide details and an estimated valuation Interest after change 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? If prior written clearance was provided, on what date was this provided?