Abengoa (MCE:ABG.B/P SM) (Nasdaq:ABGB) ("Abengoa"), the international company that applies innovative technology solutions for sustainability in the energy and environment sectors, has announced today that the underwriters of the previously announced offering of 9,200,000 ordinary shares of Abengoa Yield plc have exercised in full their over-allotment option to purchase an additional 1,380,000 ordinary shares of Abengoa Yield from Abengoa.

Including the exercise of the over-allotment option, Abengoa Yield's offering amounts to a total of 10,580,000 ordinary shares, representing a gross total of $327,980,000 before fees.

This press release shall not constitute an offer to sell or a solicitation of an offer to buy, nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.

This communication is directed only at (i) persons who are outside the United Kingdom or (ii) in the United Kingdom, persons who have professional experience in matters relating to investments falling within Article 19(5) of the Financial Services and Markets Act 2000 (Financial Promotion) Order 2005, as amended (the "Order"), or who are high net worth entities, and other persons to whom it may lawfully be communicated, falling within Article 49(2) of the Order (all such persons together being referred to as "relevant persons"). Any investment or investment activity to which this communication relates will only be available to and will only be engaged in with, relevant persons. Any person who is not a relevant person must not act or rely on this document or any of its contents.

Forward-Looking Statements

This communication contains forward-looking statements that may state Abengoa's or its management's intentions, beliefs, expectations or predictions for the future. Such forward looking statements are subject to certain risks, uncertainties and assumptions, and typically can be identified by the use of words such as "will," "expect," "estimate," "anticipate," "forecast," "plan," "believe," and similar terms. Although Abengoa believes that its expectations are reasonable, it can give no assurance that these expectations will prove to have been correct, and actual results may vary materially. Factors that could cause actual results to differ materially from those contemplated above include, among others, risks and uncertainties related to the capital markets. Any forward looking information presented herein is made only as of the date of this press release, and we do not undertake any obligation to update or revise any forward-looking information to reflect changes in assumptions, the occurrence of unanticipated events, or otherwise.

CONTACT: Communication Department
         Patricia Malo de Molina Melendez
         Tel: +34 954 93 71 11
         E-mail: communication@abengoa.com
         
         Investor relations
         Barbara Zubiria Furest.
         Tel: +34 954 93 71 11
         E-mail: ir@abengoa.com