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

Appendix 3Y - 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 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 Michelle Jablko Date of last notice 24 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 and indirect Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest. Securities held in the Transurban Holdings Limited Employee Share Plan Trust (held by Pacific Custodians Pty Limited <TCL Emp Share Tst A/c>, as trustee) Date of change 17 August 2026 No. of securities held prior to change Direct 171,777 Stapled Securities 756,453 Performance Awards (Unlisted) Indirect 133,731 Deferred STI Securities (Unvested) Class Stapled Securities and Deferred STI Securities (Unvested) Number acquired 57,494 Stapled Securities Number disposed 57,494 Deferred STI Securities Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation N/A (see ‘Nature of change’ below) 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 No. of securities held after change Direct 229,271 Stapled Securities 756,453 Performance Awards (Unlisted) Indirect 76,237 Deferred STI Securities (Unvested) Nature of change Example: o