Incorporation of Mr Jose Borrell to the Audit Committee in sustitution of Mr Jose Terceiro.

Dear Sirs, In accordance with Article 82 of Spanish Securities Act (Ley 24/1988 del Mercado de Valores), Abengoa, S.A. (the "Company") hereby informs the National Securities Market Commission (Comisión Nacional del Mercado de Valores) of the following:

Relevant Fact

The Company hereby informs you that the Board of Directors of Abengoa, S.A. has accepted the resignation of Mr. Jose Terceiro Lomba (in representation of Aplidig SL) as a member of the Audit Committee, and appointed to such vacancy Mr. José Borrell Fontelles. With this, the Audit Committee is integrated exclusively of non-executive directors in accordance with the provisions of the Sarbanes Oxley Act of 2002 (United States Federal Law).
Also, in accordance with the provisions of Section 407 of such Act: Disclosure of Audit Commitee Financial Expert, the person who meets that qualification is Mrs. Mercedes Gracia Díez
Miguel Ángel Jiménez-Velasco Mazarío
General Secretary