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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Oct 31, 2007	27.38	27.68	26.86	27.41	597,124	+0.24(+0.89%)
Oct 30, 2007	27.73	28.04	27.05	27.17	622,283	-0.73(-2.62%)
Oct 29, 2007	28.43	28.48	27.63	27.90	476,296	-0.28(-0.99%)
Oct 26, 2007	28.13	28.53	27.90	28.18	538,816	+0.25(+0.90%)
Oct 25, 2007	28.55	28.55	27.53	27.93	412,480	-0.13(-0.46%)
Oct 24, 2007	27.82	28.31	27.32	28.06	644,959	+0.17(+0.60%)
Oct 23, 2007	27.89	28.14	27.13	27.89	886,832	+0.19(+0.67%)
Oct 22, 2007	27.76	27.78	26.86	27.71	724,432	-0.10(-0.37%)
Oct 19, 2007	28.16	28.24	27.69	27.81	748,079	-0.44(-1.54%)
Oct 18, 2007	27.78	28.34	27.78	28.25	589,350	+0.16(+0.56%)
Oct 17, 2007	28.05	28.64	27.66	28.09	1,145,982	+0.20(+0.73%)
Oct 16, 2007	28.06	28.69	27.62	27.89	902,921	-0.25(-0.89%)
Oct 15, 2007	27.56	29.30	26.95	28.14	1,578,223	-0.25(-0.88%)
Oct 12, 2007	26.78	30.38	26.78	28.39	6,278,776	+1.69(+6.31%)
Oct 11, 2007	26.32	27.09	26.10	26.70	1,003,234	+0.53(+2.02%)
Oct 10, 2007	26.14	26.39	25.70	26.17	370,692	+0.03(+0.11%)
Oct 09, 2007	25.88	26.14	25.17	26.14	308,712	+0.30(+1.15%)
Oct 08, 2007	25.97	26.15	25.38	25.85	237,554	-0.14(-0.53%)
Oct 05, 2007	26.12	26.27	25.53	25.99	498,323	+0.11(+0.43%)
Oct 04, 2007	25.92	26.13	25.64	25.88	421,334	+0.11(+0.43%)
Oct 03, 2007	25.78	26.14	25.10	25.76	573,261	-0.07(-0.29%)
Oct 02, 2007	25.37	25.95	25.31	25.84	404,274	+0.60(+2.39%)
Oct 01, 2007	24.87	25.92	24.87	25.24	660,292	+0.36(+1.45%)
Sep 28, 2007	24.66	25.86	24.54	24.88	816,538	+0.10(+0.41%)
Sep 27, 2007	25.13	25.38	24.59	24.77	501,239	-0.19(-0.78%)
Sep 26, 2007	24.59	25.25	24.59	24.97	491,737	+0.53(+2.16%)
Sep 25, 2007	24.08	24.63	23.98	24.44	328,256	+0.03(+0.11%)
Sep 24, 2007	25.01	25.38	23.78	24.41	775,398	-0.67(-2.66%)
Sep 21, 2007	24.21	25.48	24.01	25.08	1,864,800	+1.10(+4.60%)
Sep 20, 2007	24.20	24.93	23.26	23.98	1,994,159	-0.29(-1.18%)
Sep 19, 2007	23.92	24.65	23.81	24.26	1,005,501	+0.59(+2.50%)
Sep 18, 2007	23.39	23.88	22.81	23.67	965,441	+0.43(+1.83%)
Sep 17, 2007	23.77	23.87	23.01	23.25	786,412	-0.55(-2.30%)
Sep 14, 2007	23.82	24.05	23.32	23.79	645,931	-0.06(-0.27%)
Sep 13, 2007	23.80	24.01	23.57	23.86	874,955	+0.22(+0.94%)
Sep 12, 2007	23.73	23.82	23.46	23.63	708,559	-0.13(-0.55%)
Sep 11, 2007	23.48	24.00	23.41	23.76	1,262,384	+0.45(+1.95%)
Sep 10, 2007	23.34	23.47	22.55	23.31	876,755	+0.44(+1.90%)
Sep 07, 2007	22.55	24.12	21.97	22.87	1,386,020	-0.02(-0.08%)
Sep 06, 2007	22.01	22.89	21.18	22.89	738,253	+1.16(+5.33%)
Sep 05, 2007	21.33	21.81	21.19	21.74	704,240	+0.19(+0.86%)
Sep 04, 2007	20.68	21.94	20.61	21.55	984,014	+0.86(+4.16%)
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%)