Assurance

Transurban engaged EY to provide limited assurance over selected disclosures within the FY17 Sustainability Report.

The scope of the assurance included verification of the following metrics:

• Road Injury Crash Index
• Recordable Injury Frequency Rate
• Scope 1 greenhouse gas emissions (tCO₂-e)
• Scope 2 greenhouse gas emissions (tCO₂-e)
• Nitrogen oxides (NOx) emissions (tonnes)
• Greenhouse gas emissions from customer travel (tCO₂-e)

The limited assurance process included interviews with key Transurban personnel and verification of the above data within the report.

The EY limited assurance statement is attached here.