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Conditions applying to both global placement and Open Price Offer The first share price will be set at the end of the OPO and will take account of the demand expressed in the Global Placement. The prices of the Global Placement and the OPO are the same. The definitive price will be set on 28 March 2006 after centralisation of the OPO and should be published by Euronext Paris SA in a notice that same day. The final share price may be set outside the mentioned range. The Global Placement Prior to the admission, a part of the shares will be distributed to institutional investors, within the framework of a Global Placement realised in France and abroad (with the exception of the United States of America). - Number of shares: A maximum of 90% of the shares offered under the Global Placement and OPO before the exercise of the extension clause and over-allocation option i.e 7,650,000 shares. The number of shares offered within the Global Placement may be increased if the OPO is not fully subscribed. - Underwriters: ABN AMRO Rotschild, Natexis Bleichroeder The Open Price Offer The OPO is mainly open to natural persons and body corporates under the French Law. The subscription orders from Apax Partners employees and Altamir shareholders will have priority over all the others orders. - Number of shares in the OPO: A minimum of 10% of the total number of shares offered under the Global Placement and OPO (before the exercise of the extension Clause and Over-allocation Option), i.e 850,000 shares. The number of shares offered within the Global Placement may be reduced in order to increase the Open Price Offer. According to the importance of the demand, the number total of shares offered within the OPO could represent 15% of the total number of shares offered to the public. Free allotments of warrants and trading of "Amboise A et BSA" The free allotment of the warrants will be executed by Euroclear on the basis of all existing shares as stated at 31 march 2006. The terms and conditions of the warrants are described in the prospectus and will be described in a Euronext Notice to be published before the 31 March 2006.</p>