PROSERVIA

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 July 25th, 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 Before first listing, a proportion of the shares will be included in a public placement in France and an international private Placement in some countries excluding the United States of America. - Underwriter: Portzamparc Société de bourse - Number of shares within the Global Placement: a maximum of 152,964 shares (80% of the Offer before the extension option) Depending on the demand, the breakdown between the Global Placement and the OPO may be adapted as stated below. The Open Price Offer - Number of shares within the OPO: a minimum of 38,241 shares (20% of the Offer before the extension option) If the demand permits it, the number of shares offered within the OPO will be equal to 20% minimum of the Offer.