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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2010	27.55	28.06	26.75	26.76	1,208,637	-0.80(-2.89%)
Apr 29, 2010	27.09	27.59	26.90	27.55	789,301	+0.76(+2.83%)
Apr 28, 2010	27.13	27.15	26.45	26.79	635,708	-0.06(-0.21%)
Apr 27, 2010	27.38	27.50	26.76	26.85	1,211,794	-0.51(-1.86%)
Apr 26, 2010	27.38	27.69	27.29	27.36	631,096	+0.02(+0.07%)
Apr 23, 2010	26.91	27.38	26.71	27.34	817,542	+0.44(+1.62%)
Apr 22, 2010	25.57	27.13	25.27	26.90	1,571,684	+1.07(+4.16%)
Apr 21, 2010	25.64	25.87	25.38	25.83	546,543	+0.23(+0.90%)
Apr 20, 2010	25.23	25.60	25.04	25.60	459,160	+0.47(+1.88%)
Apr 19, 2010	25.59	25.92	24.87	25.13	747,883	-0.63(-2.45%)
Apr 16, 2010	26.53	26.66	25.58	25.75	948,453	-0.96(-3.60%)
Apr 15, 2010	26.74	26.86	26.58	26.72	451,497	-0.13(-0.48%)
Apr 14, 2010	26.63	26.87	26.51	26.85	415,422	+0.34(+1.29%)
Apr 13, 2010	26.19	26.86	26.11	26.51	653,556	+0.11(+0.42%)
Apr 12, 2010	26.42	26.53	26.28	26.39	607,338	-0.03(-0.11%)
Apr 09, 2010	26.19	26.43	25.70	26.42	368,345	+0.22(+0.85%)
Apr 08, 2010	26.00	26.37	25.75	26.20	323,345	+0.12(+0.46%)
Apr 07, 2010	26.57	26.57	25.86	26.08	792,657	-0.61(-2.29%)
Apr 06, 2010	26.52	26.77	26.02	26.69	695,544	+0.27(+1.02%)
Apr 05, 2010	26.51	26.66	26.31	26.42	1,047,746	+0.18(+0.67%)