2025 Corporate Report

Climate disclosure | Contents

Climate strategy

Our Climate Change Framework (Figure 27) summarises our organisational response to climate change, with priority areas related to the transition to net zero, resilient infrastructure and operations, and governance.

Figure 27 – Climate Change Framework priority areas summary 1 FY25 FY26

FY30

FY50

Transition to net zero

Scope 1 and 2 science-based emission reduction target: 50% reduction by 2030 2 Continuing to seek opportunities to transition Transurban’s light-vehicle fleet to EVs, where feasible; continuing to implement contractor requirements for scope 1 and 2 emissions reduction; ongoing energy efficiency upgrades (e.g. tunnel ventilation and lighting); and continuing our transition towards sourcing the equivalent of 100% renewable electricity 2 Scope 3 science-based emission reduction target: 55% reduction in emissions intensity across major construction and development projects, and a 22% reduction in emissions intensity across purchased goods and services by 2030 Continuing to engage supply chain on commitments to renewable energy and science-based targets; continuing to increase use of lower carbon and circular materials; continuing to include emission reducing considerations into major project specifications and pursuing industry engagements and partnerships 3

Continue to explore initiatives to reach net zero Source the equivalent of 100% renewable electricity; where feasible, transition Transurban’s IR&M contractors’ fleets to EVs. Continue to explore initiatives to reach net zero Accelerate uptake of lower- carbon materials; supply chain minimum contract requirements; partnerships to drive sectoral transition

Scope 3 does not include customer emissions. For scope 3 boundaries see FY25 Sustainability Basis of Preparation

Resilient infrastructure and operations

Financial assessment Financial analysis of climate-related risk impacts

Ongoing delivery and monitoring of asset-specific Climate Change Adaptation Plans (CCAPs) Including risk and adaptation assessment, defined adaptation pathways, broad financial implications Ongoing climate-related risk and adaptation assessment reviews Monitoring of climate-related metrics; reporting; and training, awareness and capacity building Refresh sustainability and climate governance approach In line with ASRS AASB S2 reporting requirements and other new and emerging standards ASRS readiness

Governance

ASRS reporting (FY26 and beyond) Mandatory AASB S2 climate-related disclosures to commence from 1 July 2025

Prepare for mandatory climate-related reporting from 1 July 2025

1 Figure to be read in conjunction with other climate disclosure documentation, including the FY25 Sustainability Basis of Preparation, which includes methodology, dependencies and assumptions 2 All GHG emissions targets are relative to a FY19 baseline. In FY25 scope 2 (market-based) methodology has been updated to align with FY25 Clean Energy Regulator guidance, and this has been applied retrospectively to FY24. Comparisons to prior years and baseline should not be made. In making progress against our scope 1 & 2 Target we utilise a combination of Power Purchase Agreements and renewable energy certificates. For information on renewable electricity usage, see the Energy tab of FY25 Sustainability Data Pack. For more information on Transurban's reporting approach and boundaries please see the FY25 Sustainability Basis of Preparation 3 For FY25 only, updates to scope 3, Category 1 have been made that impact on our ability to demonstrate progress against our scope 3 target. This included accounting for inflation, and removal of activities directly measured and reported under other emissions categories. See the FY25 Sustainability Data Pack and FY25 Sustainability Basis of Preparation for more information

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