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%)