Announcement PDF Appendix 3H - Notification of cessation of securities Appendix 3H - Notification of cessation of securities 1 / 5 Announcement Summary Entity name RADIOPHARM THERANOSTICS LIMITED Announcement Type New announcement Date of this announcement Thursday October 01, 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 RADAN OPTION EXPIRING VARIOUS DATES EX VARIOUS PRICES 24,000,000 Expiry of option or other convertible security without exercise or conversion 30/09/2026 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 RADIOPHARM THERANOSTICS LIMITED We (the entity named above) provide the following information about our issued capital. 1.2 Registered Number Type ACN Registration Number 647877889 1.3 ASX issuer code RAD 1.4 The announcement is 1.5 Date of this announcement 1/10/2026 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 RADAN : OPTION EXPIRING VARIOUS DATES EX VARIOUS PRICES Unquoted +equity securities that have ceased Number of securities that have ceased 24,000,000 Reason for cessation Expiry of option or other convertible security without exercise or conversion Date of cessation 30/9/2026 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 RADO : OPTION EXPIRING 30-NOV-2026 79,352,040 RAD : ORDINARY FULLY PAID 4,710,882,790 RADOC : OPTION EXPIRING 31-JUL-2029 982,172,830 RADOB : OPTION EXPIRING 31-OCT-2027 1,179,266,658 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 RADAK : OPTION EXPIRING 01-JUN-2027 EX $0.60 1,666,500 RADAAB : WARRANT EXPIRING 31-JUL-2029 EX USD3.79 1,281,646 RADAAC : WARRANT EXPIRING 31-JUL-2029 EX USD3.95 64,082 RADAN : OPTION EXPIRING VARIOUS DATES EX VARIOUS PRICES 363,179,525 RADAJ : OPTION EXPIRING 01-JUL-2027 EX $0.17 12,425,675 RADAF : OPTION EXPIRING 25-NOV-2026 RESTRICTED 8,666,678 RADAG : OPTION EXPIRING 25-NOV-2026 EX $0.60 5,066,672 RADAI : OPTION EXPIRING 27-MAY-2027 EX $0.60 740,000 RADAP : OPTION EXPIRING 24-APR-2028 EX $0.09 8,955,224 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. Appendix 3H - Notification of cessation of securities Appendix 3H - Notification of cessation of securities 5 / 5