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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2008	23.15	23.64	22.98	23.49	739,162	+0.38(+1.64%)
Apr 29, 2008	23.49	23.50	23.05	23.11	661,146	-0.36(-1.54%)
Apr 28, 2008	23.62	23.79	23.04	23.47	450,250	-0.20(-0.86%)
Apr 25, 2008	23.56	23.77	23.00	23.67	476,415	+0.25(+1.07%)
Apr 24, 2008	23.63	23.80	22.55	23.42	470,804	+0.17(+0.72%)
Apr 23, 2008	23.28	23.87	22.98	23.25	363,618	-0.09(-0.40%)
Apr 22, 2008	23.48	23.61	22.71	23.35	649,167	-0.28(-1.18%)
Apr 21, 2008	23.28	23.73	23.21	23.62	836,974	+0.11(+0.47%)
Apr 18, 2008	24.08	24.08	23.35	23.51	818,325	+0.01(+0.04%)
Apr 17, 2008	23.74	23.87	23.39	23.50	471,072	-0.39(-1.63%)
Apr 16, 2008	23.52	23.89	23.47	23.89	804,564	+0.54(+2.30%)
Apr 15, 2008	24.17	24.17	22.92	23.36	1,162,601	-0.60(-2.51%)
Apr 14, 2008	23.93	24.14	23.51	23.96	821,603	+0.06(+0.27%)
Apr 11, 2008	24.26	24.46	23.54	23.89	648,153	-0.68(-2.75%)
Apr 10, 2008	24.07	24.70	24.00	24.57	845,757	+0.47(+1.96%)
Apr 09, 2008	24.63	24.67	23.85	24.10	1,002,777	-0.48(-1.96%)
Apr 08, 2008	24.54	25.34	24.13	24.58	1,932,008	-0.27(-1.08%)
Apr 07, 2008	27.06	27.78	24.56	24.85	5,726,249	+1.83(+7.97%)
Apr 04, 2008	22.79	23.08	22.37	23.01	475,972	+0.19(+0.81%)
Apr 03, 2008	21.71	22.94	21.71	22.83	905,895	+0.85(+3.88%)
Apr 02, 2008	21.71	22.14	21.20	21.98	335,808	+0.27(+1.24%)