Announcement PDF Appendix 3H - Notification of cessation of securities Appendix 3H - Notification of cessation of securities 1 / 5 Announcement Summary Entity name IMAGION BIOSYSTEMS LIMITED Announcement Type New announcement Date of this announcement Thursday May 28, 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 IBXAAT OPTION EXPIRING 26-MAY-2026 EX $1.496 699,897 Expiry of option or other convertible security without exercise or conversion 26/05/2026 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 / 5 Part 1 - Announcement Details 1.1 Name of +Entity IMAGION BIOSYSTEMS LIMITED We (the entity named above) provide the following information about our issued capital. 1.2 Registered Number Type ACN Registration Number 616305027 1.3 ASX issuer code IBX 1.4 The announcement is 1.5 Date of this announcement 28/5/2026 New announcement Appendix 3H - Notification of cessation of securities Appendix 3H - Notification of cessation of securities 3 / 5 Part 2 - Details of +equity securities or +debt securities that have ceased ASX +Security Code and Description IBXAAT : OPTION EXPIRING 26-MAY-2026 EX $1.496 Unquoted +equity securities that have ceased Number of securities that have ceased 699,897 Reason for cessation Expiry of option or other convertible security without exercise or conversion Date of cessation 26/5/2026 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 / 5 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 IBXO : OPTION EXPIRING 13-DEC-2027 330,833,334 IBX : ORDINARY FULLY PAID 490,590,239 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 IBXAAY : PERFORMANCE RIGHTS CLASS A 975,000 IBXAAZ : PERFORMANCE RIGHTS CLASS B 375,000 IBXAAV : OPTION EXPIRING 28-FEB-2029 EX $0.64 75,000 IBXABB : OPTION EXPIRING 10-SEP-2027 EX $0.04284 12,254,902 IBXAAX : OPTION EXPIRING 29-MAY-2027 EX $0.11284 2,048,122 IBXAAU : OPTION EXPIRING 25-AUG-2026 EX $0.90 1,164,597 IBXAAQ : CONVERTIBLE NOTES 2,780,000 IBXABA : PERFORMANCE RIGHTS CLASS C 500,000 IBXAA : OPTION EXPIRING 21-SEP-2028 EX $0.04 26,250,000 IBXABF : OPTION EXPIRING 23-APR-2029 EX $0.0297 10,600,177 IBXABD : OPTION EXPIRING 29-MAY-2028 EX $0.019 2,000,000 IBXABE : OPTION EXPIRING 29-MAY-2030 EX $0.012 4,700,000 IBXAAB : OPTION EXPIRING 01-MAY-2027 EX $1.12 68,750 Appendix 3H - Notification of cessation of securities Appendix 3H - Notification of cessation of securities 5 / 5 IBXAAC : OPTION EXPIRING 01-MAY-2028 EX $1.12 50,000 IBXAAM : OPTION EXPIRING VARIOUS DATES EX $1.68 21,775 IBXAF : OPTION EXPIRING VARIOUS DATES EX VARIOUS PRICES 3,827,247 IBXAAH : PERFORMANCE OPTION EXPIRING VAR DATES EX $3.488 100,000 IBXAAT : OPTION EXPIRING 26-MAY-2026 EX $1.496 0 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.