Announcement PDF Appendix 3Y Change of Director’s Interest Notice Rule 3.19A.2 Appendix 3Y Change of Director’s Interest Notice Information or documents not available now must be given to ASX as soon as available. Information and documents given to ASX become ASX’s property and may be made public. Introduced 30/09/01 Amended 01/01/11 Name of entity: Senetas Corporation Ltd ABN: 33 006 067 607 We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the director for the purposes of section 205G of the Corporations Act. Name of Director Francis William Galbally Date of last notice 4 March 2025 Part 1 - Change of director’s relevant interests in securities In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust Note: In the case of a company, interests which come within paragraph (i) of the definition of “notifiable interest of a director” should be disclosed in this part. Direct or indirect interest Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest. Indirect Corporate Services Management Pty Ltd (Francis William Galbally has a controlling interest in the above company.) Corporate Services Management Pty Ltd <F W Galbally A/C> (Francis William Galbally has a controlling interest in the above company in its capacity as trustee of the F W Galbally Trust.) F & C Corporation Pty Limited <F W Galbally Super Fund A/C> (Francis William Galbally has a beneficial interest in the above fund.) Southbank Capital Pty Ltd <Southbank Capital Unit A/C> (Francis William Galbally has a controlling interest in the above company.) + See chapter 19 for defined terms. 01/01/2011 Appendix 3Y Page 1 Appendix 3Y Change of Director’s Interest Notice Date of change 17 March 2025 Class Fully paid ordinary shares (quoted) (ASX:SEN)) (Shares) No. of securities held prior to change Indirect Holdings Corporate Services Management Pty Ltd 5,000 Shares Corporate Services Management Pty Ltd <F W Galbally A/C> 190,991,751 Shares F & C Corporation Pty Limited <F W Galbally Super Fund A/C> 19,246, 154 Shares Southbank Capital Pty Ltd <Southbank Capital Unit A/C> 7,166,667 Shares Number acquired N/A Value/Consideration $0.020 per Share Value of transfer: $143,333.34 Note: If consideration is non-cash, provide details and estimated valuation Number transferred 7,166,667 Shares No. of securities held after change Indirect Holdings Corporate Services Management Pty Ltd 7,171,667 Shares Corporate Services Management Pty Ltd <F W Galbally A/C> 190,991,751 Shares F & C Corporation Pty Limited <F W Galbally Super Fund A/C> 19,246, 154 Shares Nature of change 7,166,667 Shares were transferred from Southbank Capital Pty Ltd <Southbank Capital Unit A/C> to Corporate Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in Services Management Pty Ltd (Francis William Galbally has a controlling buy-back interest in both companies.) + See chapter 19 for defined terms. Appendix 3Y Page 2 01/01/2011 Appendix 3Y Change of Director’s Interest Notice Part 2 – Change of director’s interests in contracts Note: In the case of a company, interests which come within paragraph (ii) of the definition of “notifiable interest of a director” should be disclosed in this part. Detail of contract N/A Nature of interest N/A Name of registered holder (if issued securities) N/A Date of change N/A No. and class of securities to which interest related prior to change N/A Note: Details are only required for a contract in relation to which the interest has changed Interest acquired N/A Interest disposed N/A Value/Consideration N/A Note: If consideration is non-cash, provide details and an estimated valuation Interest after change N/A Part 3 – +Closed period Were the interests in the securities or contracts detailed above traded during a +closed period where prior written clearance was required? If so, was prior written clearance provided to allow the trade to proceed during this period? If prior written clearance was provided, on what date was this provided? + See chapter 19 for defined terms. 01/01/2011 Appendix 3Y Page 3 N/A N/A N/A