We have carried out our work to provide a limited assurance on the information related to (re)financed project of the Green Bonds in XS1490726590, ISIN XS1527758145, ISIN XS1564443759, ISIN XS1575444622, ISIN XS1682538183 e ISIN XS1721244371) issued by Iberdrola International B.V. and Iberdrola Finanzas, S.A.U. (hereinafter, “the Bonds”), contained in the “Annex 2: Report on green financing returns” of the 2017 Sustainability Report of Iberdrola, S.A. and its subsidiaries (hereinafter, “Iberdrola”) for the year ended 31 December 2017, and prepared in accordance with the “Iberdrola Framework for Green Financing” document (hereinafter, “the Framework”), available in the web page https://www.iberdrola.com/shareholders-investors/investors/fixed-income/information-related-togreen-bonds.