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Conditions of the fixed-price offer (Centralization by Euronext Brussels) Fixed-price: 4.06 euros A maximum of 50,000 shares made available to the market Result of the fixed-price offer: the result of the offer shall be published in a notice on 6 January 2006* giving details, in particular the percentage of reduction that may have been applied to orders, as well as the conditions in which the trading on 12 January 2006* shall be pursued, subject to the realisation of the increase of capital and the delivery of the certificate by the depositary. Trading of the shares After the closing of the fixed-price offer, a maximum of 750,000 shares shall be listed on the Free Market of Euronext Brussels representing all of the existing shares of the company. Subscription of the new shares is not guaranteed. Consequently, trading of the new shares shall take place after the delivery of the certificate by the depositary and the trading of the new shares shall begin on the NSC system on 12 January 2006*. Euronext Brussels also received an application for listing on the Free Market of Euronext Brussels of maximum 50,000 new ordinary shares, which could be issued following the exercise of 50,000 warrants granted to the staff which were issued on 20 October 2005 following the decision of the company SODIPLAN s.a.. Type of shares: the shares shall be bearer shares cp 1 and following attached. Until delivery of the physical shares, the settlement of transactions will only take place in a book-entry form through CIK-EURONEXT (Transfers between accounts). * Except early close (possible at any time with preliminary announcement via publication of a notice in the Price List 2 days before the introduction day. Nevertheless, the offer will remain open at least during 3 working days).</p>