TRANSURBAN GROUP DISCLOSUREInsider Transactions (Form 3/4/5)

Appendix 3Y - Change of Director's Interest Notices x 2

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 TRANSURBAN GROUP ABN Transurban International Limited ABN 90 121 746 825 Transurban Holdings Limited ABN 86 098 143 429 Transurban Holding Trust ABN 30 169 362 255 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 Sarah Elizabeth Ryan Date of last notice 26 June 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. Avoch Holdings Pty Ltd as trustee for Cedar Creek Investment Trust. Sarah Ryan is a director and shareholder of Avoch Holdings Pty Ltd and a potential beneficiary of the Cedar Creek Investment Trust Date of change 24 August 2026 No. of securities held prior to change 6,000 Stapled Securities Class Stapled Securities Number acquired 2,000 Number disposed Nil Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation $13.87 average price per security No. of securities held after change 8,000 Stapled Securities 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 acquisition Part 2 – Change of director’s interests in contracts Note: In the case of a company,