DOWNER EDI LIMITED DISCLOSUREInsider Transactions (Form 3/4/5)

Change of Director's Interest Notice

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 Downer EDI Limited ABN 97 003 872 848 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 Kerry Gleeson Date of last notice 1 September 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 Indirect Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest. Beneficial interest in shares held: • by Gleeson-Peiniger SF Pty Ltd as trustee for the Gleeson-Peiniger SMSF (6,000 shares) • jointly with Michael John Peiniger (2,000 shares) Date of change 21 August 2026 No. of securities held prior to change Nil Class Ordinary Number acquired 8,000 Number disposed Nil Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation $6.6136 (6,000 shares held by Gleeson- Peiniger SF Pty Ltd atf the Gleeson-Peiniger SMSF) $6.5998 (2,000 shares held jointly with Michael John Peiniger) No. of securities held after change 8,000 For personal use only Appendix 3Y Change of Director’s Interest Notice + See chapter 19 for defined terms. Appendix 3Y Page 2 01/01/2011 Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy- back On-market trade 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