Rslt of Subsid's Tender Offer

Compagnie de Saint-Gobain 30 August 2000 SUCCESSFUL COMPLETION OF TENDER OFFER FOR CHEMFAB CORPORATION Norton Company, a U.S. subsidiary of Compagnie de Saint-Gobain, announced the successful completion of its tender offer for all of the outstanding shares of Chemfab Corporation. The offer expired, as scheduled, at 12:00 midnight (EDT) on Tuesday, August 29, 2000. Based on preliminary information from the depositary for the offer, approximately 93% of the outstanding shares of Chemfab have been tendered. Norton and Chemfab will now proceed to complete a merger pursuant to which Chemfab will become an indirect wholly owned subsidiary of Norton Company. The merger is expected to be completed by mid-September. Investor Relations Department Tel: Florence TRIOU-TEIXEIRA +33 1 47 62 45 19 - mailto: florence.triou@saint-gobain.com Tel: Lounis BEKKAT +33 1 47 62 32 36 - mailto: lounis.bekkat@saint-gobain-com Fax : +33 1 47 62 50 62
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