W.R. Grace & Company (NY: GRA )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2007	24.97	25.24	24.25	24.63	1,212,667	-0.63(-2.49%)
Apr 27, 2007	25.82	25.93	25.21	25.26	998,915	-0.70(-2.71%)
Apr 26, 2007	27.09	27.29	25.75	25.97	945,449	-0.82(-3.08%)
Apr 25, 2007	25.85	26.86	25.80	26.79	955,075	+1.02(+3.95%)
Apr 24, 2007	25.99	26.36	25.41	25.77	937,305	-0.18(-0.68%)
Apr 23, 2007	26.16	26.40	25.84	25.95	550,261	-0.35(-1.34%)
Apr 20, 2007	26.57	26.67	25.89	26.30	562,463	+0.37(+1.43%)
Apr 19, 2007	25.56	26.40	25.08	25.93	1,382,459	-0.28(-1.06%)
Apr 18, 2007	26.69	26.93	26.16	26.21	799,775	-0.70(-2.62%)
Apr 17, 2007	27.76	27.78	26.77	26.91	652,518	-0.80(-2.87%)
Apr 16, 2007	27.53	27.77	27.31	27.71	782,209	+0.41(+1.49%)
Apr 13, 2007	27.09	27.54	26.87	27.30	831,007	+0.12(+0.44%)
Apr 12, 2007	26.58	27.18	26.30	27.18	1,121,147	+0.51(+1.91%)
Apr 11, 2007	27.23	27.38	26.60	26.67	833,059	-0.47(-1.74%)
Apr 10, 2007	26.72	27.16	26.59	27.14	826,580	+0.32(+1.21%)
Apr 09, 2007	26.63	26.92	26.56	26.82	786,412	+0.12(+0.45%)
Apr 05, 2007	26.26	26.86	25.98	26.70	535,900	+0.05(+0.17%)
Apr 04, 2007	25.93	26.92	25.79	26.65	1,204,939	+0.82(+3.15%)
Apr 03, 2007	25.22	26.01	25.19	25.84	1,062,024	+0.77(+3.07%)