Appendix 2 The procedures performed on the Report were related to the compliance with the principles for defining report content and quality, as articulated in the “G4 Sustainability Reporting Guidelines” and “AA1000 AccountAbility Principles Standard (2008)” , and are summarized below: a. Comparison of the economic and financial data and information included in the Report with those included in the Enel Group’s consolidated financial statements as of 31st December 2015 on which we issued our audit report, pursuant to art .