Announcement PDF 603 Page 1 of 3 Form 603 Corporations Act 2001 Section 671B Notice of initial substantial holder To Company Name/Scheme RADIOPHARM THERANOSTICS LTD ACN/ARSN/ABN 57 647 877 889 1. Details of substantial holder (1) Name JPMorgan Chase & Co. and its affiliates ACN/ARSN (if applicable) NA The holder became a substantial holder on 01/07/2024 2. Details of voting power The total number of votes attached to all the voting shares in the company or voting interests in the scheme that the substantial holder or an associate (2) had a relevant interest (3) in on the date the substantial holder became a substantial holder are as follows: Class of securities (4) Number of securities Ordinary Person's votes (5) 54,060,030 Voting power (6) 54,060,030 5.11% 3. Details of relevant interests The nature of the relevant interest the substantial holder or an associate had in the following voting securities on the date the substantial holder became a substantial holder are as follows: Holder of relevant interest Nature of relevant interest (7) Class and number of securities J.P. MORGAN SECURITIES AUSTRALIA LIMITED Purchase and sales of securities in its capacity as Principal/Proprietary 54,060,030 (Ordinary) 4. Details of present registered holders The persons registered as holders of the securities referred to in paragraph 3 above are as follows: Holder of relevant interest Registered holder of securities J.P. MORGAN SECURITIES AUSTRALIA LIMITED Ecapital Nominees Pty Ltd Person entitled to be registered as holder (8) Class and number of securities J.P. MORGAN SECURITIES AUSTRALIA LIMITED 54,060,030 (Ordinary) 5. Consideration The consideration paid for each relevant interest referred to in paragraph 3 above, and acquired in the four months prior to the day that the substantial holder became a substantial holder is as follows: Holder of relevant interest See Appendix Date of acquisition Consideration (9) Cash Class and number of securities Non-cash 6. Associates The reasons the persons named in paragraph 3 above are associates of the substantial holder are as follows: Name and ACN/ARSN (if applicable) J.P. MORGAN SECURITIES AUSTRALIA LIMITED Nature of association Subsidiary of JPMorgan Chase & Co. 603 Page 2 of 3 7. Addresses The addresses of persons named in this form are as follows: Name Address JPMorgan Chase & Co. 383 Madison Avenue, New York, New York, NY, 10179, United States J.P. MORGAN SECURITIES AUSTRALIA LIMITED LEVEL 18, 83-85 CASTLEREAGH STREET, SYDNEY, NSW 2000, Australia Signature print name sign here Lokesh Kumar Capacity Date Compliance Officer 03/07/2024 603 Page 3 of 3 DIRECTIONS (1) If there are a number of substantial holders with similar or related relevant interests (eg. a corporation and its related corporations, or the manager and trustee of an equity trust), the names could be included in an annexure to the form. If the relevant interests of a group of persons are essentially similar, they may be referred to throughout the form as a specifically named group if the membership of each group, with the names and addresses of members is clearly set out in paragraph 7 of the form. (2) See the definition of "associate" in section 9 of the Corporations Act 2001. (3) See the definition of "relevant interest" in sections 608 and 671B(7) of the Corporations Act 2001. (4) The voting shares of a company constitute one class unless divided into separate classes. (5) The total number of votes attached to all the voting shares in the company or voting interests in the scheme (if any) that the person or an associate has a relevant interest in. (6) The person's votes divided by the total votes in the body corporate or scheme multiplied by 100. (7) Include details of: (a) any relevant agreement or other circumstances by which the relevant interest was acquired. If subsection 671B(4) applies, a copy of any document setting out the terms of any relevant agreement, and a statement by the person giving full and accurate details of any contract, scheme or arrangement, must accompany this form, together with a written statement certifying this contract, scheme or arrangement; and (b) any qualification of the power of a person to exercise, control the exercise of, or influence the exercise of, the voting powers or disposal of the securities to which the relevant interest relates (indicating clearly the particular securities to which the qualification applies). See the definition of "relevant agreement" in section 9 of the Corporations Act 2001. (8) If the substantial holder is unable to determine the identity of the person ( eg. if the relevant interest arises because of an option) write "unknown". (9) Details of the consideration must include any and all benefits, money and other, that any person from whom a relevant interest was acquired has, or may, become entitled to receive in relation to that acquisition. Details must be included even if the benefit is conditional on the happening or not of a contingency. Details must be included of any benefit paid on behalf of the substantial holder or its associate in relation to the acquisitions, even if they are not paid directly to the person from whom the relevant interest was acquired. TRADES FOR RELEVANT PERIOD Transaction Date Balance at start of relevant period 11-Apr-24 12-Apr-24 12-Apr-24 15-Apr-24 17-Apr-24 17-Apr-24 18-Apr-24 22-Apr-24 24-Apr-24 24-Apr-24 29-Apr-24 29-Apr-24 03-May-24 03-May-24 03-May-24 06-May-24 08-May-24 10-May-24 17-May-24 17-May-24 24-May-24 24-May-24 28-May-24 04-Jun-24 04-Jun-24 05-Jun-24 11-Jun-24 19-Jun-24 19-Jun-24 25-Jun-24 25-Jun-24 26-Jun-24 27-Jun-24 27-Jun-24 28-Jun-24 28-Jun-24 28-Jun-24 01-Jul-24 01-Jul-24 Balance at End of relevant period Entity Product Type Type of Transaction J.P. MORGAN SECURITIES AUSTRALIA LIMITED J.P. MORGAN SECURITIES AUSTRALIA LIMITED J.P. MORGAN SECURITIES AUSTRALIA LIMITED J.P. MORGAN SECURITIES AUSTRALIA LIMITED J.P. MORGAN SECURITIES AUSTRALIA LIMITED J.P. MORGAN SECURITIES AUSTRALIA LIMITED J.P. MORGAN SECURITIES AUSTRALIA LIMITED J.P. MORGAN SECURITIES AUSTRALIA LIMITED J.P. MORGAN SECURITIES AUSTRALIA LIMITED J.P. MORGAN SECURITIES AUSTRALIA LIMITED J.P. MORGAN SECURITIES AUSTRALIA LIMITED J.P. MORGAN SECURITIES AUSTRALIA LIMITED J.P. MORGAN SECURITIES AUSTRALIA LIMITED J.P. MORGAN SECURITIES AUSTRALIA LIMITED J.P. MORGAN SECURITIES AUSTRALIA LIMITED J.P. MORGAN SECURITIES AUSTRALIA LIMITED J.P. MORGAN SECURITIES AUSTRALIA LIMITED J.P. MORGAN SECURITIES AUSTRALIA LIMITED J.P. MORGAN SECURITIES AUSTRALIA LIMITED J.P. MORGAN SECURITIES AUSTRALIA LIMITED J.P. MORGAN SECURITIES AUSTRALIA LIMITED J.P. MORGAN SECURITIES AUSTRALIA LIMITED J.P. MORGAN SECURITIES AUSTRALIA LIMITED J.P. MORGAN SECURITIES AUSTRALIA LIMITED J.P. MORGAN SECURITIES AUSTRALIA LIMITED J.P. MORGAN SECURITIES AUSTRALIA LIMITED J.P. MORGAN SECURITIES AUSTRALIA LIMITED J.P. MORGAN SECURITIES AUSTRALIA LIMITED J.P. MORGAN SECURITIES AUSTRALIA LIMITED J.P. MORGAN SECURITIES AUSTRALIA LIMITED J.P. MORGAN SECURITIES AUSTRALIA LIMITED J.P. MORGAN SECURITIES AUSTRALIA LIMITED J.P. MORGAN SECURITIES AUSTRALIA LIMITED J.P. MORGAN SECURITIES AUSTRALIA LIMITED J.P. MORGAN SECURITIES AUSTRALIA LIMITED J.P. MORGAN SECURITIES AUSTRALIA LIMITED J.P. MORGAN SECURITIES AUSTRALIA LIMITED J.P. MORGAN SECURITIES AUSTRALIA LIMITED J.P. MORGAN SECURITIES AUSTRALIA LIMITED Equity Equity Equity Equity Equity Equity Equity Equity Equity Equity Equity Equity Equity Equity Equity Equity Equity Equity Equity Equity Equity Equity Equity Equity Equity Equity Equity Equity Equity Equity Equity Equity Equity Equity Equity Equity Equity Equity Equity Buy Buy Sell Sell Buy Sell Buy Sell Buy Sell Buy Sell Buy Sell Sell Buy Sell Sell Buy Sell Buy Sell Sell Buy Sell Sell Buy Buy Sell Buy Sell Buy Buy Buy Buy Buy Sell Sell Buy Quantity 14,759 10,000 57,186 (5,000) (62,186) 72,281 (10,050) 1,308 (63,539) 2,127 (2,127) 8,541 (8,541) 35,265 (7,334) (5,716) 42,939 (47,294) (17,860) 5,591 (5,591) 44,591 (474) (44,117) 42,972 (6,065) (36,907) 10,000 11,000 (16,056) 111,018 (25,521) 1,010,313 434,959 61,185 52,025,494 147,039 (92,215) (43,296) 411,351 54,060,030 Appendix Consideration Price (AUD) 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.04 0.03 0.04 0.04 0.05 0.04 0.04 0.04 0.04 0.04 0.04 0.04 $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ 500.00 2,859.30 235.00 2,922.74 3,526.37 452.25 61.48 2,859.26 104.22 97.84 392.89 392.89 1,460.08 293.36 205.78 1,717.56 1,844.47 696.54 206.87 220.84 1,516.09 15.64 1,499.98 1,203.22 181.95 1,254.84 310.00 418.00 481.68 4,712.38 1,061.19 46,909.84 18,214.34 2,585.19 2,081,019.76 5,642.03 3,542.90 1,688.54 16,080.53 1/1