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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2005	10.25	10.64	10.22	10.32	626,800	+0.03(+0.29%)
May 27, 2005	10.92	11.11	10.22	10.29	1,856,500	-0.71(-6.45%)
May 26, 2005	11.00	11.80	10.72	11.00	4,593,900	+0.00(+0.00%)
May 25, 2005	10.50	11.40	10.25	11.00	2,779,100	+0.50(+4.76%)
May 24, 2005	10.50	10.98	10.22	10.50	4,195,900	+1.37(+15.01%)
May 23, 2005	9.100	9.240	8.890	9.130	1,804,700	+0.01(+0.11%)
May 20, 2005	9.140	9.150	8.830	9.120	1,099,800	+0.01(+0.11%)
May 19, 2005	8.680	9.340	8.420	9.110	1,231,600	+0.48(+5.56%)
May 18, 2005	8.530	8.700	8.170	8.630	1,498,100	+0.10(+1.17%)
May 17, 2005	9.060	9.250	8.300	8.530	2,486,200	-0.59(-6.47%)
May 16, 2005	8.890	9.220	8.800	9.120	623,400	+0.15(+1.67%)
May 13, 2005	9.310	9.660	8.800	8.970	842,100	-0.41(-4.37%)
May 12, 2005	9.900	10.11	9.300	9.380	1,295,600	-0.69(-6.85%)
May 11, 2005	9.540	10.66	9.540	10.07	2,374,500	+0.54(+5.67%)
May 10, 2005	10.05	10.31	9.250	9.530	1,092,500	-0.62(-6.11%)
May 09, 2005	9.900	10.31	9.800	10.15	1,248,600	+0.32(+3.26%)
May 06, 2005	9.950	10.02	9.800	9.830	739,000	-0.02(-0.20%)
May 05, 2005	10.03	10.15	9.780	9.850	890,500	-0.09(-0.91%)
May 04, 2005	9.600	10.05	9.450	9.940	1,246,500	+0.33(+3.43%)
May 03, 2005	9.690	9.760	9.400	9.610	423,800	-0.08(-0.83%)
May 02, 2005	9.380	9.780	9.370	9.690	811,700	+0.31(+3.30%)
Apr 29, 2005	9.100	9.680	9.080	9.380	1,351,900	+0.28(+3.08%)
Apr 28, 2005	11.00	11.50	8.880	9.100	5,355,900	-1.81(-16.59%)
Apr 27, 2005	9.950	10.94	9.420	10.91	2,874,600	+0.96(+9.65%)
Apr 26, 2005	10.37	10.52	9.850	9.950	2,335,800	-0.40(-3.86%)
Apr 25, 2005	10.16	10.50	10.06	10.35	1,905,700	+0.20(+1.97%)
Apr 22, 2005	11.01	11.16	9.980	10.15	2,193,900	-0.84(-7.64%)
Apr 21, 2005	11.41	11.80	10.89	10.99	2,269,700	-0.41(-3.60%)
Apr 20, 2005	11.59	11.89	11.07	11.40	2,892,200	-0.19(-1.64%)
Apr 19, 2005	11.15	12.08	10.70	11.59	5,855,000	+0.39(+3.48%)
Apr 18, 2005	10.38	11.39	9.980	11.20	3,131,000	+0.82(+7.90%)
Apr 15, 2005	10.35	11.20	10.30	10.38	3,644,600	-0.07(-0.67%)
Apr 14, 2005	10.03	10.76	9.550	10.45	2,956,900	+0.43(+4.29%)
Apr 13, 2005	9.900	10.53	9.780	10.02	4,014,900	-0.61(-5.74%)
Apr 12, 2005	9.290	10.63	8.800	10.63	10,562,100	+2.59(+32.21%)
Apr 11, 2005	8.200	8.280	7.900	8.040	1,006,900	-0.17(-2.07%)
Apr 08, 2005	7.900	9.260	7.590	8.210	4,265,700	+0.62(+8.17%)
Apr 07, 2005	7.010	7.800	7.000	7.590	876,100	+0.48(+6.75%)
Apr 06, 2005	7.320	7.430	6.980	7.110	1,073,300	-0.12(-1.66%)
Apr 05, 2005	7.650	7.660	7.140	7.230	1,525,000	-0.57(-7.31%)
Apr 04, 2005	7.750	7.920	7.350	7.800	1,384,600	+0.05(+0.65%)
Apr 01, 2005	8.490	8.750	7.650	7.750	1,844,600	-0.77(-9.04%)
Mar 31, 2005	8.690	8.700	8.300	8.520	377,700	-0.17(-1.96%)
Mar 30, 2005	8.560	8.820	8.560	8.690	338,600	+0.20(+2.36%)
Mar 29, 2005	8.950	9.040	8.480	8.490	839,600	-0.39(-4.39%)
Mar 28, 2005	8.900	9.100	8.830	8.880	467,600	+0.01(+0.11%)
Mar 24, 2005	8.760	9.100	8.760	8.870	467,700	+0.06(+0.68%)
Mar 23, 2005	9.230	9.230	8.780	8.810	542,200	-0.41(-4.45%)
Mar 22, 2005	9.120	9.520	9.120	9.220	370,500	-0.01(-0.11%)
Mar 21, 2005	9.630	9.640	9.080	9.230	616,300	-0.45(-4.65%)
Mar 18, 2005	9.620	9.700	9.400	9.680	675,200	+0.06(+0.62%)
Mar 17, 2005	9.570	9.750	9.500	9.620	504,500	-0.01(-0.10%)
Mar 16, 2005	9.880	9.930	9.600	9.630	667,400	-0.37(-3.70%)
Mar 15, 2005	9.900	10.10	9.830	10.00	458,000	+0.08(+0.81%)
Mar 14, 2005	10.16	10.18	9.800	9.920	493,300	-0.18(-1.78%)
Mar 11, 2005	10.05	10.30	9.900	10.10	648,100	+0.08(+0.80%)
Mar 10, 2005	9.640	10.10	9.250	10.02	1,445,300	+0.43(+4.48%)
Mar 09, 2005	9.510	9.920	9.510	9.590	410,300	-0.02(-0.21%)
Mar 08, 2005	9.560	9.830	9.520	9.610	390,700	-0.04(-0.41%)
Mar 07, 2005	9.760	9.840	9.500	9.650	463,900	-0.13(-1.33%)
Mar 04, 2005	9.840	9.930	9.540	9.780	395,400	+0.04(+0.41%)
Mar 03, 2005	9.830	10.13	9.660	9.740	537,200	-0.05(-0.51%)
Mar 02, 2005	9.660	10.20	9.660	9.790	625,900	+0.03(+0.31%)