Abengoa, S.A. (the "Issuer", "we", "Abengoa" or the "Company") is offering 250,000,000 Class B shares, including in the form of shares or American Depositary Shares, or ADSs, in the offering. The ADSs may be evidenced by American Depositary Receipts, or ADRs, and each ADS represents the right to receive five Class B shares. We refer to this offering of Class B shares as the "offering".

We have been approved to list our ADSs on the NASDAQ Global Select Market under the symbol "ABGB," subject to official notice of issuance. The Class B shares are listed on the Madrid and Barcelona Stock Exchanges and traded through the Automated Quotation System of such stock exchanges under the symbol "ABG.P." We have two classes of shares outstanding, Class A shares and Class B shares. The Class B shares are entitled to the same per share dividend as the Class A shares. Each Class B share carries one vote per share. By comparison, each Class A share carries 100 votes per share.