Publication of Prospectus

Compagnie de Saint-Gobain 24 May 2006 Publication of Prospectus The following prospectus has been approved by the UK Listing Authority and is available for viewing: Prospectus dated 24 May 2006 Compagnie de Saint-Gobain € 1,100,000,000 4.25 per cent. Bonds due 2011 and € 700,000,000 4.875 per cent. Bonds due 2016 To view the full document, please paste the following URL into the address bar of your browser. http://www.rns-pdf.londonstockexchange.com/rns/5232d_-2006-5-24.pdf For further information, please contact Paul Thomson Compagnie de Saint-Gobain Les Miroirs, 18 avenue d'Alsace Courbevoie France 92400 Tel: +33 1 47 62 50 73 Fax: +33 1 47 62 30 70 Email: paul.thomson@saint-gobain.com DISCLAIMER - INTENDED ADDRESSEES Please note that the information contained in the Prospectus may be addressed to and/or targeted at persons who are residents of particular countries (specified in the Prospectus) only and is not intended for use and should not be relied upon by any person outside these countries and/or to whom the offer contained in the Prospectus is not addressed. Prior to relying on the information contained in the Prospectus you must ascertain from the Prospectus whether or not you are part of the intended addressees of the information contained therein. Your right to access this service is conditional upon complying with the above requirement. This information is provided by RNS The company news service from the London Stock Exchange
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