Appendix 3H - Notification of cessation of securities Appendix 3H - Notification of cessation of securities 1 / 4 Announcement Summary Entity name ARDIDEN LTD Announcement Type New announcement Date of this announcement Wednesday April 22, 2026 Details of +securities that have ceased ASX +security code Security description Number of +securities that have ceased The +securities have ceased due to Date of cessation ADVAQ OPTION EXPIRING 20-APR-2026 EX $0.8385 930,813 Expiry of option or other convertible security without exercise or conversion 20/04/2026 Refer to next page for full details of the announcement Appendix 3H - Notification of cessation of securities Appendix 3H - Notification of cessation of securities 2 / 4 Part 1 - Announcement Details 1.1 Name of +Entity ARDIDEN LTD We (the entity named above) provide the following information about our issued capital. 1.2 Registered Number Type ACN Registration Number 110884252 1.3 ASX issuer code ADV 1.4 The announcement is 1.5 Date of this announcement 22/4/2026 New announcement Appendix 3H - Notification of cessation of securities Appendix 3H - Notification of cessation of securities 3 / 4 Part 2 - Details of +equity securities or +debt securities that have ceased ASX +Security Code and Description ADVAQ : OPTION EXPIRING 20-APR-2026 EX $0.8385 Unquoted +equity securities that have ceased Number of securities that have ceased 930,813 Reason for cessation Expiry of option or other convertible security without exercise or conversion Date of cessation 20/4/2026 Is the entity paying any consideration for the cessation? Any other information the entity wishes to notify to ASX about the cessation? No Appendix 3H - Notification of cessation of securities Appendix 3H - Notification of cessation of securities 4 / 4 Part 3 - Issued capital following changes Following the cessation of the +securities the subject of this notification, the issued capital of the entity will comprise: The figures in parts 3.1 and 3.2 below are automatically generated and may not reflect the entity's current issued capital if other Appendix 2A, Appendix 3G or Appendix 3H forms are currently with ASX for processing. 3.1 Quoted +equity securities and +debt securities (total number of each +class of +securities quoted on ASX) ASX +security code and description Total number of +securities on issue ADV : ORDINARY FULLY PAID 214,906,395 3.2 Unquoted +equity securities (total number of each +class of +equity securities issued but not quoted on ASX) ASX +security code and description Total number of +securities on issue ADVAK : OPTION EXPIRING 26-MAR-2029 EX $0.20 2,000,000 ADVAQ : OPTION EXPIRING 20-APR-2026 EX $0.8385 0 ADVAI : OPTION EXPIRING 13-JUN-2027 EX $0.43 174,418 ADVAJ : OPTION EXPIRING 14-JUN-2027 EX $0.301 46,511 ADVAL : PERFORMANCE RIGHTS 20,000,000 Note: the figures stated in the tables above are used to calculate the total market capitalisation of the entity published by ASX from time to time. The table will not include those classes of +securities that have ceased or lapsed in their entirety in ASX records before the announcement date described in Q1.5, even if the entity has advised ASX of a change to that class of +security in Part 2 of this form.