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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Nov 30, 2007	25.35	25.48	24.64	25.01	436,559	+0.05(+0.19%)
Nov 29, 2007	24.82	25.28	24.49	24.97	579,740	-0.02(-0.07%)
Nov 28, 2007	23.65	25.10	23.64	24.99	892,123	+1.48(+6.30%)
Nov 27, 2007	23.04	23.65	22.86	23.50	1,220,192	+0.55(+2.38%)
Nov 26, 2007	23.58	24.08	22.90	22.96	458,803	-0.71(-3.01%)
Nov 23, 2007	23.48	23.79	23.18	23.67	270,703	+0.51(+2.20%)
Nov 21, 2007	22.94	23.60	22.29	23.16	716,043	+0.05(+0.20%)
Nov 20, 2007	23.29	23.86	22.62	23.12	4,318,842	-0.22(-0.95%)
Nov 19, 2007	24.28	24.28	22.88	23.34	762,656	-1.25(-5.08%)
Nov 16, 2007	23.97	24.75	23.37	24.59	1,438,714	+0.07(+0.30%)
Nov 15, 2007	25.36	25.70	24.08	24.51	620,556	-1.06(-4.13%)
Nov 14, 2007	25.68	25.89	25.14	25.57	624,605	+0.10(+0.40%)
Nov 13, 2007	25.00	25.65	24.88	25.47	805,740	+0.69(+2.80%)
Nov 12, 2007	25.63	26.26	24.23	24.77	1,296,289	-0.98(-3.81%)
Nov 09, 2007	25.50	26.13	24.84	25.75	1,011,440	-0.48(-1.84%)
Nov 08, 2007	26.17	26.56	25.07	26.24	724,324	+0.26(+1.00%)
Nov 07, 2007	26.06	26.74	25.93	25.98	731,440	-0.81(-3.01%)
Nov 06, 2007	26.07	26.82	25.24	26.78	1,628,541	+0.57(+2.19%)
Nov 05, 2007	26.37	26.56	25.74	26.21	621,843	-0.55(-2.04%)
Nov 02, 2007	26.43	26.83	25.61	26.76	959,394	+0.68(+2.59%)
Nov 01, 2007	27.18	27.38	25.93	26.08	937,583	-1.33(-4.86%)
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%)