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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
May 29, 2009	13.49	13.52	12.76	12.98	686,904	-0.44(-3.28%)
May 28, 2009	13.67	13.92	12.84	13.42	390,010	+0.03(+0.22%)
May 27, 2009	13.91	14.21	13.35	13.39	411,036	-0.39(-2.83%)
May 26, 2009	12.75	13.90	12.56	13.78	1,029,743	+1.13(+8.93%)
May 22, 2009	12.78	13.12	12.52	12.65	573,003	-0.04(-0.32%)
May 21, 2009	12.59	12.80	12.27	12.69	679,306	-0.20(-1.55%)
May 20, 2009	12.91	13.55	12.75	12.89	1,137,238	-0.06(-0.46%)
May 19, 2009	13.27	13.27	12.75	12.95	740,540	-0.23(-1.75%)
May 18, 2009	12.41	13.22	12.40	13.18	1,146,734	+1.01(+8.30%)
May 15, 2009	12.16	12.65	11.99	12.17	707,118	-0.12(-0.98%)
May 14, 2009	11.67	12.46	11.21	12.29	933,697	+0.68(+5.86%)
May 13, 2009	11.72	12.11	11.47	11.61	964,660	-0.49(-4.05%)
May 12, 2009	12.61	12.80	11.28	12.10	964,530	-0.40(-3.20%)
May 11, 2009	12.62	12.86	11.77	12.50	1,544,687	-0.56(-4.29%)
May 08, 2009	9.810	13.06	9.450	13.06	3,835,259	+3.54(+37.26%)
May 07, 2009	10.06	10.07	9.500	9.515	1,304,227	-0.32(-3.30%)
May 06, 2009	10.07	10.35	9.560	9.840	567,074	+0.00(+0.00%)
May 05, 2009	9.890	10.20	9.570	9.840	703,602	-0.18(-1.80%)
May 04, 2009	9.320	10.04	9.300	10.02	720,028	+0.71(+7.63%)
May 01, 2009	8.810	9.440	8.590	9.310	661,470	+0.48(+5.44%)
Apr 30, 2009	8.380	9.070	8.150	8.830	906,623	+0.65(+7.95%)
Apr 29, 2009	7.680	8.250	7.660	8.180	491,011	+0.66(+8.78%)
Apr 28, 2009	7.300	7.870	7.120	7.520	570,120	+0.06(+0.80%)
Apr 27, 2009	7.250	7.590	7.200	7.460	719,444	-0.02(-0.27%)
Apr 24, 2009	7.780	7.780	7.220	7.480	749,912	-0.19(-2.48%)
Apr 23, 2009	7.540	7.850	7.390	7.670	777,191	+0.17(+2.27%)
Apr 22, 2009	7.550	8.040	7.380	7.500	658,219	-0.26(-3.35%)
Apr 21, 2009	7.050	7.780	7.050	7.760	450,797	+0.64(+8.99%)
Apr 20, 2009	7.850	7.860	6.980	7.120	710,025	-0.88(-11.00%)
Apr 17, 2009	8.100	8.180	7.810	8.000	644,073	-0.08(-0.99%)
Apr 16, 2009	8.180	8.390	7.810	8.080	608,155	+0.10(+1.25%)
Apr 15, 2009	7.840	8.210	7.800	7.980	459,468	+0.06(+0.76%)
Apr 14, 2009	7.970	8.430	7.610	7.920	984,213	-0.15(-1.86%)
Apr 13, 2009	7.500	8.130	7.380	8.070	404,222	+0.37(+4.81%)
Apr 09, 2009	7.330	7.850	7.290	7.700	796,938	+0.68(+9.69%)
Apr 08, 2009	6.780	7.100	6.770	7.020	220,428	+0.31(+4.62%)
Apr 07, 2009	6.700	6.950	6.630	6.710	364,404	-0.17(-2.47%)
Apr 06, 2009	6.970	7.060	6.720	6.880	315,899	-0.24(-3.37%)
Apr 03, 2009	7.080	7.200	6.710	7.120	415,616	+0.03(+0.42%)
Apr 02, 2009	6.990	7.610	6.840	7.090	1,093,650	+0.35(+5.19%)
Apr 01, 2009	6.140	6.800	6.060	6.740	432,223	+0.42(+6.65%)
Mar 31, 2009	6.410	6.650	6.110	6.320	473,712	+0.17(+2.76%)
Mar 30, 2009	5.950	6.340	5.650	6.150	708,517	-0.76(-11.00%)
Mar 26, 2009	6.760	6.980	6.610	6.910	552,309	+0.30(+4.54%)
Mar 25, 2009	6.200	6.680	6.110	6.610	506,903	+0.49(+8.01%)
Mar 24, 2009	6.370	6.500	6.120	6.120	285,519	-0.41(-6.28%)
Mar 23, 2009	6.230	6.530	6.140	6.530	620,203	+0.94(+16.82%)
Mar 20, 2009	5.980	6.140	5.590	5.590	499,203	-0.29(-4.93%)
Mar 19, 2009	6.020	6.190	5.650	5.880	573,705	-0.02(-0.34%)
Mar 18, 2009	5.630	5.960	5.460	5.900	797,501	+0.34(+6.12%)
Mar 17, 2009	4.750	5.630	4.650	5.560	1,111,453	+0.78(+16.32%)
Mar 16, 2009	5.060	5.210	4.700	4.780	495,166	-0.21(-4.21%)
Mar 13, 2009	4.990	5.060	4.590	4.990	0	+0.06(+1.22%)
Mar 12, 2009	4.260	5.030	4.180	4.930	871,792	+0.76(+18.23%)
Mar 11, 2009	4.310	4.390	4.090	4.170	956,017	-0.13(-3.02%)
Mar 10, 2009	4.270	4.500	4.190	4.300	778,948	+0.20(+4.88%)
Mar 09, 2009	4.110	4.350	4.060	4.100	397,647	-0.08(-1.91%)
Mar 06, 2009	4.190	4.220	3.950	4.180	0	+0.09(+2.20%)
Mar 05, 2009	4.560	4.680	4.000	4.090	774,004	-0.68(-14.26%)
Mar 04, 2009	4.970	5.160	4.630	4.770	862,259	-0.36(-7.02%)