2026 Corporate Report

Transurban FY26 Corporate Report Section D: Risk management

Monitoring Identified climate-related risks and opportunities are embedded in the Group’s central risk registers and reviewed by the assigned risk owner on a periodic basis as defined by risk ratings and the Group’s ERM Framework. Changes in exposure or materiality are escalated through management, executive and Board governance processes, including ARC oversight. Reporting covers risk exposures and opportunities, progress on mitigation actions and performance against climate- related metrics. Monitoring activities are supported by a range of quantitative indicators and operational tools including risk health dashboards that can be used to disseminate risk management information across the business. Key climate-related metrics include Scope 1, 2, and 3 emissions data, energy consumption and weather-related incidents. These indicators are tracked across the Group’s asset portfolio and used to evaluate progress against targets and the effectiveness of climate adaptation strategies. At the asset level, CCAPs in place cover all operational assets (except for West Gate Tunnel CCAP planned for completion in FY27, allowing sufficient time to gain operational experience after road opening in December 2025) and include defined adaptation pathways in response to key climate risks. Progress against CCAPs is tracked through internal reporting systems and reviewed periodically to ensure alignment with evolving climate scenarios and asset conditions.

The Group also monitors climate-related risks and opportunities in its supply chain through engagement with suppliers through the CDP. Collaboration with government partners further supports the development of sustainable transport initiatives and policy innovation. Targeted supplier engagement is also undertaken on emissions tracking practices and climate focused due diligence, as aligned with the Group’s Supplier Sustainability Code of Practice. Continuous improvement The following changes reflect the Group’s commitment to continuous improvement in climate-related governance: • Refreshing climate-related risks and opportunities and embedding them into the ERM Framework; • Establishing the SSC, which comprises senior executives and management representatives from delivery, markets, legal, finance and corporate affairs, to provide strategic oversight and ensure climate risks and opportunities are considered across business functions; • Refining GHG emissions data methodologies, particularly for Scope 2 and 3 to improve the accuracy of GHG accounting and tracking; and • Strengthening climate-related processes, to improve governance, reporting and record keeping, and align with regulatory requirements, including Australian Sustainability Reporting Standards.

Key judgements and uncertainties Materiality process

The assessment of material climate-related risks and opportunities considers both qualitative and quantitative factors and involves the application of judgement and assumptions, which are reassessed each reporting period. The Group evaluates the likelihood and potential magnitude of climate-related impacts, taking into account the nature of its road operations, stakeholder expectations, scenario analysis outcomes and the potential influence of climate factors on long-term asset performance, value chain dependencies and strategic decisions. Material information is identified based on its potential to affect users’ understanding of the Group’s resilience, financial effects (including prospects) and future outlook. ¢

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