We appointed PricewaterhouseCoopers LLP to provide independent assurance on selected information in our Sustainability Report 2013 covering CO2 emissions, and our application of the Equator Principles. Their assurance is performed in accordance with the internationally recognised professional assurance standard ISAE3000, against a clear and public set of criteria, which can be found below.

The PricewaterhouseCoopers LLP assurance report is on page 35 of the HSBC Sustainability Report 2013.