Appendix 3Y Change of Director’s Interest Notice + See chapter 19 for defined terms. 01/01/2011 Appendix 3Y Page 1 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 Mesoblast Limited ABN 68 109 431 870 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 Dr Eric Rose Date of last notice 14 October 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 Direct Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest. Eric Rose Date of change 6 January to 9 January 2026 No. of securities held prior to change 6,107,293 ordinary shares (including 71,472 ADS) 6,874,102 options Class Ordinary Shares Number acquired 1,280,651 ordinary shares acquired Number disposed 638,670 ordinary shares sold on-market to fund the exercise price and directors tax liability for options which were required to be exercised by 13 March 2026 (to avoid expiry)
Appendix 3Y Change of Director’s Interest Notice + See chapter 19 for defined terms. Appendix 3Y Page 2 01/01/2011 Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation Exercise price of A$12,807 for the options which were approved by shareholders at the 2024 AGM A$1,894,152 was received for the ordinary shares sold on-market with these proceeds used entirely to fund the exercise price and directors tax liability for options which were required to be exercised by 13 March 2026 (to avoid expiry) No. of securities held after change 6,749,274 ordinary shares (including 71,472 ADS) 5,593,451 options Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back Exercise of options and on-market share trade to fund exercise price and directors tax liability for options 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 Not applicable Nature of interest Not applicable Name of registered holder (if issued securities) Not applicable Date of change Not applicable No. and class of securities to which interest related prior to change Note: Details are only required for a contract in relation to which the interest has changed Not applicable Interest acquired Not applicable Interest disposed Not applicable Value/Consideration Note: If consideration is non-cash, provide details and an estimated valuation Not applicable
Appendix 3Y Change of Director’s Interest Notice + See chapter 19 for defined terms. 01/01/2011 Appendix 3Y Page 3 Interest after change Not applicable 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? No If so, was prior written clearance provided to allow the trade to proceed during this period? Not applicable If prior written clearance was provided, on what date was this provided? Not applicable