Abengoa Announces Plans for Sale of Shares of Abengoa Yield

December 11, 2014

December 11th, 2014.- Abengoa, S.A. (MCE: ABG.B/P SM /NASDAQ: ABGB) today announced that it intends to reduce its participation in Abengoa Yield (NASDAQ: ABY) through a sale of up to 10.6 million shares, subject to market conditions, by means of a secondary public offering pursuant to a registration statement on Form F-1 filed by Abengoa Yield with the U.S. Securities and Exchange Commission.

This press release is being made pursuant to and in accordance with Rule 135 under the Securities Act of 1933 and does not constitute an offer to sell or the solicitation of an offer to buy securities, and shall not constitute an offer, solicitation or sale in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of that jurisdiction.

About Abengoa

Abengoa (MCE: ABG.B/P SM /NASDAQ: ABGB) applies innovative technology solutions for sustainability in the energy and environment sectors, generating electricity from renewable resources, converting biomass into biofuels and producing drinking water from sea water. (www.abengoa.com)

Communication Department:

Patricia Malo de Molina Meléndez.

Tel. +34 954 93 71 11

E-mail: communication@abengoa.com

Investor Relations contact:

Bárbara Zubiría Furest.

Tel. +34 954 93 71 11

E-mail: ir@abengoa.com

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