PR Newswire/Les Echos/

Compagnie de Saint-Gobain - Société anonyme au capital de 2 142 254 892 euros

Les Miroirs - 18, avenue d'Alsace - 92400 Courbevoie

Information mensuelle relative au nombre total de droits de vote et d'actions
composant le capital social

Articles L .233-8 II du Code de commerce et 223-16 du règlement général de
l'Autorité des marchés financiers

Date Nombre total d'actions Nombre total de droits de vote
composant le capital social total théorique total exerçable
31 décembre 2011 535 563 723 684 350 117 675 452 208

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