Exhibit 99.1

 

  Appendix 3H - Notification of cessation of securities

 

Announcement Summary

 

 

 

Entity name

 

RADIOPHARM THERANOSTICS LIMITED

 

Announcement Type

 

New announcement

 

Date of this announcement

 

Wednesday June 03, 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   505,598   Expiry of option or other convertible security without exercise or conversion   31/05/2026

 

Refer to next page for full details of the announcement

 

Appendix 3H - Notification of cessation of securities1 / 4

 

 

  Appendix 3H - Notification of cessation of securities

 

Part 1 - Announcement Details

 

 

 

1.1Name of +Entity

 

RADIOPHARM THERANOSTICS LIMITED

 

We (the entity named above) provide the following information about our issued capital.

 

1.2Registered Number Type Registration Number
     
 ACN 647877889

 

1.3ASX issuer code

 

RAD

 

1.4The announcement is

 

New announcement

 

1.5Date of this announcement

 

3/6/2026

 

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  Appendix 3H - Notification of cessation of securities

 

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

 

505,598

 

Reason for cessation

 

Expiry of option or other convertible security without exercise or conversion

 

Date of cessation Is the entity paying any consideration for the cessation?
   
31/5/2026 No

 

Any other information the entity wishes to notify to ASX about the cessation?

 

   

 

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  Appendix 3H - Notification of cessation of securities

 

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.

 

3.1Quoted +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   3,544,216,160 
      
RADOA : OPTION EXPIRING 24-AUG-2026   818,890,534 
      
RADOB : OPTION EXPIRING 31-OCT-2027   1,179,266,658 

 

3.2Unquoted +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 
      
RADAN : OPTION EXPIRING VARIOUS DATES EX VARIOUS PRICES   421,025,268 
      
RADAJ : OPTION EXPIRING 01-JUL-2027 EX $0.17   13,137,976 
      
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.

 

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