ESTIMATES FOR 2004 (in French GAAP)
January 27, after market closing

> Analyst- and investor meeting
January 28, 8:30 a.m. (Paris time)

FINAL RESULTS FOR 2004 (in French GAAP)
March 24, after market closing

PROFORMA 2004 RESULTS IN IFRS
March 29, after market closing

> Analyst- and investor meeting about the switch to IFRS
March 30, 8:30 a.m. (Paris time)

FIRST QUARTER SALES
April 26, after market closing

INVESTOR DAY ABOUT THE CERAMICS, ABRASIVES AND REINFORCEMENTS DIVISIONS
May 24, in Paris

ANNUAL GENERAL MEETING (A.G.M.)
June 09 (Paris), at 3:00 p.m. (Paris time)

DIVIDEND CUT OFF DATE
June 23

FIRST-HALF RESULTS
July 28, after market closing

> Analyst- and investor meeting
July 29, 8:30 a.m. (Paris time)

NINE MONTHS SALES
October 25, after market closing