Official Notice

Finan Chief Financial Officer Paseo de la

Castellana, 278-280 28046 Madrid España

Tls. 91 348 81 00 91 348 80 00 Fax 91 314 28 21 91 348 94 94 www.repsolypf.com

Madrid, April 15th, 2008

Regarding certain information published by the media related to the comments attributed to Haroldo Lima, Head of Brazil’s National Petroleum, Natural Gas and Biofuels Agency, in relation to the Carioca field, located in Santos basin (Brazil) and operated by Petrobras (with Repsol YPF having a 25% stake), Repsol YPF refers to the attached official clarification published by Petrobras, as operator of the field, and available on its website (http://www.agenciapetrobrasdenoticias.com.br/en_materia.asp?id_editoria=8&id_noticia=4769).

Official Notice

Official Notice