We performed our work described below in compliance with Article A.of the French Commercial Code (Code de commerce), defining the conditions under which the independent third party performs its engagement, and with the professional guidance issued by the French Institute of Statutory Auditors (Compagnie nationale des commissaires aux comptes or CNCC) relating to this engagement and with ISAE 3000 (international standard on assurance engagements other than audits or reviews of historical financial information).