Nature and scope of our work We performed our work described below in compliance with Article A.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).