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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2005	10.43	10.43	9.660	9.840	706,700	-0.61(-5.84%)
Feb 25, 2005	10.15	10.50	10.05	10.45	452,000	+0.15(+1.46%)
Feb 24, 2005	9.740	10.40	9.510	10.30	1,151,200	+0.56(+5.75%)
Feb 23, 2005	9.550	9.810	9.510	9.740	698,900	+0.23(+2.42%)
Feb 22, 2005	10.15	10.15	9.500	9.510	1,122,600	-0.74(-7.22%)
Feb 18, 2005	10.25	10.46	10.03	10.25	678,800	+0.04(+0.39%)
Feb 17, 2005	10.75	10.76	10.06	10.21	1,316,500	-0.65(-5.99%)
Feb 16, 2005	10.54	10.96	10.53	10.86	958,300	+0.15(+1.40%)
Feb 15, 2005	10.41	10.80	10.41	10.71	1,274,000	+0.32(+3.08%)
Feb 14, 2005	10.30	10.74	9.940	10.39	625,100	-0.09(-0.86%)
Feb 11, 2005	10.08	10.74	9.800	10.48	1,701,000	+0.38(+3.76%)
Feb 10, 2005	9.700	10.44	9.000	10.10	2,629,600	+0.30(+3.06%)
Feb 09, 2005	10.50	10.64	9.500	9.800	3,413,000	-0.70(-6.67%)
Feb 08, 2005	9.650	10.92	9.630	10.50	5,736,600	-0.95(-8.30%)
Feb 07, 2005	11.38	11.66	11.33	11.45	232,300	-0.03(-0.26%)
Feb 04, 2005	11.40	11.73	11.35	11.48	616,100	+0.03(+0.26%)
Feb 03, 2005	11.75	11.75	11.15	11.45	677,900	-0.29(-2.47%)
Feb 02, 2005	11.80	11.98	11.66	11.74	494,500	-0.07(-0.59%)
Feb 01, 2005	11.36	11.94	11.36	11.81	1,003,100	+0.48(+4.24%)
Jan 31, 2005	11.23	11.62	11.23	11.33	815,800	+0.14(+1.25%)
Jan 28, 2005	11.23	11.23	10.99	11.19	714,500	-0.01(-0.09%)
Jan 27, 2005	11.41	11.49	11.03	11.20	1,039,400	-0.18(-1.58%)
Jan 26, 2005	11.78	11.78	11.00	11.38	1,506,400	-0.39(-3.31%)
Jan 25, 2005	12.02	12.35	11.56	11.77	1,621,900	-0.28(-2.32%)
Jan 24, 2005	12.60	12.74	11.35	12.05	1,928,100	-0.55(-4.37%)
Jan 21, 2005	12.83	13.00	12.57	12.60	551,300	-0.19(-1.49%)
Jan 20, 2005	12.76	13.13	12.69	12.79	564,400	-0.14(-1.08%)
Jan 19, 2005	13.25	13.75	12.85	12.93	558,500	-0.32(-2.42%)
Jan 18, 2005	12.96	13.25	12.65	13.25	867,200	+0.08(+0.61%)
Jan 14, 2005	13.20	13.28	13.05	13.17	411,100	+0.02(+0.15%)
Jan 13, 2005	12.99	13.39	12.95	13.15	890,000	+0.20(+1.54%)
Jan 12, 2005	13.04	13.13	12.78	12.95	853,800	-0.15(-1.15%)
Jan 11, 2005	13.19	13.40	12.83	13.10	1,032,600	-0.15(-1.13%)
Jan 10, 2005	13.00	13.42	13.00	13.25	878,600	+0.26(+2.00%)
Jan 07, 2005	13.07	13.23	12.74	12.99	901,000	-0.01(-0.08%)
Jan 06, 2005	12.80	13.07	12.60	13.00	1,324,300	+0.16(+1.25%)
Jan 05, 2005	13.30	13.35	12.42	12.84	1,991,700	-0.56(-4.18%)
Jan 04, 2005	13.79	14.02	13.21	13.40	1,231,600	-0.39(-2.83%)
Jan 03, 2005	13.69	13.80	13.49	13.79	919,400	+0.18(+1.32%)
Dec 31, 2004	13.65	13.89	13.52	13.61	306,800	-0.04(-0.29%)
Dec 30, 2004	14.00	14.13	13.60	13.65	374,700	-0.25(-1.80%)
Dec 29, 2004	14.10	14.43	13.70	13.90	967,300	-0.10(-0.71%)
Dec 28, 2004	13.61	14.19	13.61	14.00	677,900	+0.42(+3.09%)
Dec 27, 2004	13.77	14.05	13.47	13.58	735,800	-0.18(-1.31%)
Dec 23, 2004	13.79	14.07	13.62	13.76	819,900	+0.07(+0.51%)
Dec 22, 2004	13.63	13.78	13.30	13.69	939,300	+0.16(+1.18%)
Dec 21, 2004	13.45	13.75	13.33	13.53	542,400	+0.08(+0.59%)
Dec 20, 2004	13.49	14.25	13.38	13.45	739,900	-0.06(-0.44%)
Dec 17, 2004	13.89	13.90	13.50	13.51	561,200	-0.39(-2.81%)
Dec 16, 2004	14.00	14.25	13.79	13.90	1,657,700	+0.04(+0.29%)
Dec 15, 2004	13.25	13.90	13.25	13.86	1,634,100	+0.65(+4.92%)
Dec 14, 2004	13.56	13.85	13.05	13.21	1,540,800	-0.25(-1.86%)
Dec 13, 2004	13.20	13.60	12.87	13.46	731,300	+0.24(+1.82%)
Dec 10, 2004	12.90	13.56	12.87	13.22	880,700	+0.25(+1.93%)
Dec 09, 2004	13.10	13.20	12.94	12.97	907,400	-0.13(-0.99%)
Dec 08, 2004	13.03	13.49	12.90	13.10	977,300	+0.26(+2.02%)
Dec 07, 2004	13.22	13.67	12.83	12.84	1,128,600	-0.68(-5.03%)
Dec 06, 2004	13.68	13.85	13.50	13.52	699,400	-0.23(-1.67%)
Dec 03, 2004	13.53	13.87	13.33	13.75	889,000	+0.21(+1.55%)
Dec 02, 2004	13.72	14.20	13.05	13.54	1,461,300	-0.28(-2.03%)