Repsol

€ 10,000,000,000 Euro Guaranteed Medium Term Notes Programme, guaranteed by Repsol YPF, S.A., filed with the Commission de Surveillance du Secteur Financier of Luxembourg on October 28, 2008

• Base prospectus dated October 28, 2008   
• Prospectus supplement dated April 6, 2009  
• Prospectus supplement dated August 21, 2009