The Independent Review Report in the Corporate Responsibility Report was produced by PriceWaterhouse- Coopers and based on the principles of materiality and the reliability of its most relevant indicators.
The review was conducted in accordance with the materiality criteria in the AA1000AS Standards issued by Accountability, the Institute of Social and Ethical Accountability.
Verification work was conducted according to the standards and procedures set out in ISAE 3000 Assurance Engagements other than Audits on Reviews of Historical Information within the International Framework for Assurance Engagements.