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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Aug 31, 2005	10.58	10.64	10.35	10.55	506,300	-0.01(-0.09%)
Aug 30, 2005	11.00	11.00	10.14	10.56	1,763,300	+0.87(+8.98%)
Aug 29, 2005	9.530	9.790	9.420	9.690	184,700	+0.11(+1.15%)
Aug 26, 2005	10.00	10.00	9.360	9.580	872,800	-0.42(-4.20%)
Aug 25, 2005	9.930	10.04	9.850	10.00	419,700	+0.07(+0.70%)
Aug 24, 2005	9.700	10.09	9.550	9.930	926,200	+0.24(+2.48%)
Aug 23, 2005	9.770	9.930	9.600	9.690	1,170,400	-0.11(-1.12%)
Aug 22, 2005	9.700	9.840	9.550	9.800	843,700	+0.26(+2.73%)
Aug 19, 2005	9.070	9.730	9.070	9.540	1,037,600	+0.44(+4.84%)
Aug 18, 2005	9.100	9.210	9.000	9.100	369,200	+0.00(+0.00%)
Aug 17, 2005	9.000	9.450	8.980	9.100	831,800	+0.10(+1.11%)
Aug 16, 2005	9.070	9.300	8.930	9.000	596,300	-0.12(-1.32%)
Aug 15, 2005	9.110	9.200	8.860	9.120	344,600	-0.01(-0.11%)
Aug 12, 2005	9.080	9.230	8.790	9.130	379,100	-0.03(-0.33%)
Aug 11, 2005	9.360	9.400	8.920	9.160	536,600	-0.14(-1.51%)
Aug 10, 2005	8.560	9.400	8.560	9.300	1,280,200	+0.74(+8.64%)
Aug 09, 2005	8.610	8.690	8.500	8.560	366,800	-0.02(-0.23%)
Aug 08, 2005	8.610	8.740	8.510	8.580	503,000	-0.02(-0.23%)
Aug 05, 2005	8.580	8.720	8.500	8.600	589,700	+0.09(+1.06%)
Aug 04, 2005	8.620	8.780	8.510	8.510	591,100	-0.21(-2.41%)
Aug 03, 2005	8.610	8.770	8.490	8.720	390,500	+0.11(+1.28%)
Aug 02, 2005	8.250	8.720	8.250	8.610	773,600	+0.04(+0.47%)
Aug 01, 2005	8.370	8.670	8.300	8.570	464,900	+0.21(+2.51%)
Jul 29, 2005	8.290	8.430	8.290	8.360	211,400	+0.05(+0.60%)
Jul 28, 2005	8.360	8.400	8.271	8.310	336,700	+0.05(+0.61%)
Jul 27, 2005	8.410	8.510	8.100	8.260	534,800	-0.14(-1.67%)
Jul 26, 2005	8.060	8.440	8.020	8.400	657,600	+0.35(+4.35%)
Jul 25, 2005	8.320	8.360	8.020	8.050	387,900	-0.21(-2.54%)
Jul 22, 2005	8.110	8.320	8.020	8.260	267,400	+0.16(+1.98%)
Jul 21, 2005	8.500	8.500	8.100	8.100	309,900	-0.29(-3.46%)
Jul 20, 2005	8.300	8.520	8.020	8.390	566,300	+0.09(+1.08%)
Jul 19, 2005	8.130	8.360	8.000	8.300	479,700	+0.29(+3.62%)
Jul 18, 2005	8.430	8.460	8.000	8.010	521,100	-0.42(-4.98%)
Jul 15, 2005	8.520	8.580	8.400	8.430	548,700	-0.07(-0.82%)
Jul 14, 2005	8.600	8.680	8.430	8.500	916,200	+0.10(+1.19%)
Jul 13, 2005	8.270	8.990	8.180	8.400	1,563,900	+0.03(+0.36%)
Jul 12, 2005	8.500	8.570	8.110	8.370	538,300	-0.12(-1.41%)
Jul 11, 2005	7.890	8.780	7.860	8.490	1,261,000	+0.61(+7.74%)
Jul 08, 2005	7.570	7.970	7.560	7.880	575,600	+0.36(+4.79%)
Jul 07, 2005	7.220	7.530	7.000	7.520	593,500	+0.20(+2.73%)
Jul 06, 2005	7.620	7.760	7.250	7.320	496,600	-0.36(-4.69%)
Jul 05, 2005	7.500	7.720	7.290	7.680	519,000	+0.27(+3.64%)
Jul 01, 2005	7.810	7.930	7.360	7.410	890,100	-0.38(-4.88%)
Jun 30, 2005	7.860	8.010	7.700	7.790	654,600	-0.09(-1.14%)
Jun 29, 2005	7.980	8.000	7.730	7.880	363,600	+0.00(+0.00%)
Jun 28, 2005	7.680	7.950	7.640	7.880	784,600	+0.21(+2.74%)
Jun 27, 2005	7.650	7.830	7.400	7.670	594,400	-0.03(-0.39%)
Jun 24, 2005	8.000	8.070	7.510	7.700	1,472,500	-0.30(-3.75%)
Jun 23, 2005	8.290	8.370	7.890	8.000	1,191,100	-0.27(-3.26%)
Jun 22, 2005	8.680	8.750	8.210	8.270	1,244,700	-0.40(-4.61%)
Jun 21, 2005	8.900	9.350	8.650	8.670	1,560,000	-0.31(-3.45%)
Jun 20, 2005	9.660	9.685	8.910	8.980	1,418,100	-0.85(-8.65%)
Jun 17, 2005	9.950	10.08	9.830	9.830	922,900	-0.15(-1.50%)
Jun 16, 2005	9.890	10.04	9.830	9.980	503,300	+0.07(+0.71%)
Jun 15, 2005	9.710	10.00	9.520	9.910	687,000	+0.19(+1.95%)
Jun 14, 2005	9.500	9.720	9.470	9.720	310,800	+0.20(+2.10%)
Jun 13, 2005	9.580	9.760	9.360	9.520	635,500	-0.08(-0.83%)
Jun 10, 2005	9.750	9.870	9.480	9.600	506,000	-0.12(-1.23%)
Jun 09, 2005	9.680	9.790	9.560	9.720	386,700	-0.01(-0.10%)
Jun 08, 2005	9.940	9.940	9.610	9.730	504,400	-0.16(-1.62%)
Jun 07, 2005	9.910	10.25	9.850	9.890	707,100	+0.03(+0.30%)
Jun 06, 2005	9.960	10.05	9.820	9.860	755,400	-0.14(-1.40%)
Jun 03, 2005	10.20	10.21	9.980	10.00	665,500	-0.25(-2.44%)
Jun 02, 2005	10.33	10.34	10.15	10.25	504,400	-0.06(-0.58%)