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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Aug 31, 2007	20.39	20.84	20.02	20.69	554,041	+0.58(+2.90%)
Aug 30, 2007	20.00	20.74	19.14	20.11	472,624	-0.25(-1.23%)
Aug 29, 2007	19.70	20.39	19.53	20.36	278,262	+0.80(+4.07%)
Aug 28, 2007	20.22	20.37	19.51	19.56	610,838	-0.82(-4.04%)
Aug 27, 2007	21.15	21.18	20.11	20.38	466,793	-0.92(-4.30%)
Aug 24, 2007	20.24	21.37	20.02	21.30	581,467	+0.98(+4.83%)
Aug 23, 2007	20.37	20.55	19.57	20.32	623,579	+0.01(+0.05%)
Aug 22, 2007	19.44	20.34	19.44	20.31	425,761	+1.13(+5.89%)
Aug 21, 2007	19.36	19.91	19.00	19.18	356,115	-0.21(-1.10%)
Aug 20, 2007	19.59	20.18	18.86	19.39	707,803	-0.07(-0.38%)
Aug 17, 2007	20.10	20.25	18.83	19.47	1,050,637	+0.91(+4.89%)
Aug 16, 2007	18.42	18.93	17.14	18.56	1,762,975	+0.18(+0.96%)
Aug 15, 2007	18.63	19.45	17.95	18.38	772,267	-0.31(-1.68%)
Aug 14, 2007	19.68	19.68	18.69	18.70	559,764	-0.79(-4.04%)
Aug 13, 2007	19.49	19.97	19.09	19.49	705,967	+0.39(+2.04%)
Aug 10, 2007	20.84	20.84	18.45	19.10	1,102,683	+0.00(+0.00%)
Aug 09, 2007	18.80	19.61	18.63	19.10	1,742,999	-0.27(-1.39%)
Aug 08, 2007	18.96	19.89	18.92	19.36	1,232,690	+0.62(+3.31%)
Aug 07, 2007	18.01	18.98	17.95	18.74	1,049,989	+0.45(+2.48%)
Aug 06, 2007	18.29	18.50	17.21	18.29	1,363,560	-0.20(-1.10%)
Aug 03, 2007	18.79	19.17	18.38	18.49	1,117,368	-0.68(-3.53%)
Aug 02, 2007	19.27	19.83	18.92	19.17	1,095,448	-0.03(-0.14%)
Aug 01, 2007	19.04	19.38	18.52	19.20	1,798,824	+0.07(+0.39%)
Jul 31, 2007	18.68	19.58	18.53	19.12	2,904,315	+0.51(+2.74%)
Jul 30, 2007	17.66	18.74	17.53	18.61	1,406,644	+1.15(+6.57%)
Jul 27, 2007	18.57	18.83	16.90	17.47	2,017,158	-1.20(-6.45%)
Jul 26, 2007	19.54	19.92	14.92	18.67	6,003,856	-1.21(-6.10%)
Jul 25, 2007	20.86	21.14	19.49	19.88	1,651,325	-0.84(-4.07%)
Jul 24, 2007	21.33	21.39	20.30	20.73	2,059,054	-0.94(-4.36%)
Jul 23, 2007	21.90	22.18	21.55	21.67	699,705	-0.20(-0.93%)
Jul 20, 2007	22.71	22.78	21.83	21.87	1,029,581	-0.88(-3.87%)
Jul 19, 2007	22.74	22.81	22.47	22.75	340,026	+0.21(+0.94%)
Jul 18, 2007	22.81	22.88	22.25	22.54	594,965	-0.35(-1.54%)
Jul 17, 2007	22.70	23.22	22.60	22.89	428,893	+0.20(+0.90%)
Jul 16, 2007	22.95	23.21	22.52	22.69	516,248	-0.41(-1.76%)
Jul 13, 2007	22.91	23.31	22.77	23.10	375,551	+0.08(+0.36%)
Jul 12, 2007	22.52	23.10	22.37	23.01	517,760	+0.55(+2.43%)
Jul 11, 2007	22.07	22.63	21.92	22.47	714,174	+0.40(+1.80%)
Jul 10, 2007	22.37	22.48	21.75	22.07	697,437	-0.59(-2.62%)
Jul 09, 2007	22.89	23.04	22.57	22.66	484,394	-0.26(-1.13%)
Jul 06, 2007	22.62	23.02	22.17	22.92	402,546	+0.22(+0.98%)
Jul 05, 2007	22.25	22.70	21.95	22.70	526,830	+0.43(+1.91%)
Jul 03, 2007	22.66	22.68	22.12	22.27	549,505	-0.42(-1.84%)
Jul 02, 2007	22.83	23.06	22.66	22.69	625,091	+0.01(+0.04%)
Jun 29, 2007	23.75	23.97	22.62	22.68	1,077,308	-0.97(-4.11%)
Jun 28, 2007	23.42	23.91	23.31	23.65	500,267	+0.28(+1.19%)
Jun 27, 2007	22.32	23.59	21.92	23.37	934,127	+0.72(+3.19%)
Jun 26, 2007	23.45	23.61	22.55	22.65	1,155,701	-0.72(-3.09%)
Jun 25, 2007	23.43	23.75	23.03	23.37	667,203	-0.18(-0.75%)
Jun 22, 2007	23.81	23.81	23.37	23.55	624,335	-0.27(-1.13%)
Jun 21, 2007	23.75	23.84	23.38	23.82	491,845	-0.07(-0.31%)
Jun 20, 2007	24.45	24.94	23.83	23.89	527,802	-0.45(-1.86%)
Jun 19, 2007	24.08	24.61	23.84	24.35	374,795	-0.06(-0.23%)
Jun 18, 2007	24.62	24.75	24.19	24.40	493,680	-0.25(-1.01%)
Jun 15, 2007	23.39	24.89	23.39	24.65	2,023,205	+1.27(+5.43%)
Jun 14, 2007	23.50	24.11	23.21	23.38	674,869	+0.03(+0.12%)
Jun 13, 2007	23.16	23.58	22.88	23.36	902,489	+0.23(+1.00%)
Jun 12, 2007	23.63	23.93	22.85	23.12	899,034	-0.60(-2.54%)
Jun 11, 2007	24.22	24.42	23.64	23.73	706,399	-0.50(-2.06%)
Jun 08, 2007	23.65	24.38	23.18	24.23	550,909	+0.43(+1.79%)
Jun 07, 2007	24.27	24.69	23.55	23.80	1,086,594	-0.76(-3.09%)
Jun 06, 2007	25.02	25.02	24.36	24.56	469,709	-0.55(-2.18%)
Jun 05, 2007	24.88	25.44	24.79	25.11	430,890	+0.03(+0.11%)
Jun 04, 2007	24.81	25.08	24.44	25.08	650,034	+0.08(+0.33%)