Creating Stakeholder Value

Transurban tax groups-estimated timing Tax group 1H22 EBITDA as proportion of Transurban Group proportional EBITDA WestConnex 1 6.4% A25 NorthWestern 4.6% 10.6% Roads Group Airport Motorway 3.2% Group (ED) Transurban Holdings Limited 51.8% and 100% Australian entities 2 USA Group (includes 3.3% Transurban Chesapeake)³ Transurban Queensland 20.1% HFY21 FY22-FY23-FY24-FY25-FY26+FY27-FY28-FY29+ Timing is indicative only and not shown by month. Currently paying tax: Subject to corporate tax in Canada Currently paying tax: Taxed as a partial flow-through vehicle Currently paying tax: Taxed as a partial flow-through vehicle 1. WestConnex will be a flow-through vehicle from FY23, the first full year following the divestment by NSW Government. 2. The estimated tax timing does not include any potential impacts that may result from the revised terms of the West Gate Tunnel Project agreement. 3. Our USA Group has made a one-off tax payment in 1H22 due to the gain on sale as a result of the divestment of its 50% interest in Transurban Chesapeake in the year end 30 June 2021. Transurban Subject to corporate tax until end of concession Late-2020s Mid-2030s 41

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