Paris, 25 August 2010 – BlueNext, the leading environmental trading exchange, jointly owned by NYSE Euronext and Caisse des Dépôts, today announced the appointment of François-Xavier Saint-Macary as Chief Executive Officer of BlueNext, effective September 1st, pending regulatory approvals. He will succeed Serge Harry, the veteran NYSE Euronext exchange expert, who has steered BlueNext from its birth to its establishment as a global brand.