We conducted our assurance engagement in accordance with the International Standard on Assurance Engagements (ISAE) other than Audits or Reviews of Historical Financial Information, and the carbon emission assurance portion of our engagement in accordance with the International Standard on Assurance Engagements 3410, Assurance Engagements on Greenhouse Gas Statements (“ISAE 3410”), issued by the International Auditing and Assurance Standards Board.