X0303 4 2008-12-01 0 0001045309 W R GRACE & CO GRA 0001211203 MCGOWAN W BRIAN C/O W.R GRACE CO 7500 GRACE DR COLUMBIA MD 21044 0 1 0 0 Senior Vice President Common Stock, par value $0.01 per share 2008-12-01 4 P 0 20000 3.8221 A 30000 D Each share of Common stock also represents one Preferred Share Purchase Right. Each such Right entitles the holder to purchase Preferred Stock or other securities or property upon the occurrence of certain events and subject to certain conditions. /s/ Michael W. Conron, Attorney-In-Fact 2008-12-03