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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Sep 30, 2009	20.78	20.81	20.01	20.13	586,386	-0.56(-2.69%)
Sep 29, 2009	20.86	21.30	20.66	20.69	292,563	-0.11(-0.53%)
Sep 28, 2009	20.18	21.12	20.10	20.80	418,701	+0.74(+3.69%)
Sep 25, 2009	20.11	20.69	19.44	20.06	467,143	-0.21(-1.05%)
Sep 24, 2009	20.93	21.22	19.85	20.27	608,429	-0.47(-2.28%)
Sep 23, 2009	21.12	21.67	20.69	20.74	493,335	-0.26(-1.23%)
Sep 22, 2009	20.47	21.07	20.47	21.00	652,374	+0.82(+4.08%)
Sep 21, 2009	20.00	20.28	19.21	20.18	802,952	-0.22(-1.09%)
Sep 18, 2009	18.77	21.09	18.77	20.40	1,997,128	+1.87(+10.09%)
Sep 17, 2009	18.60	19.02	18.44	18.53	511,045	+0.16(+0.86%)
Sep 16, 2009	18.41	18.70	18.25	18.37	402,473	+0.13(+0.71%)
Sep 15, 2009	18.12	18.36	17.72	18.24	681,913	+0.06(+0.31%)
Sep 14, 2009	17.24	18.29	17.19	18.19	591,388	+0.73(+4.19%)
Sep 11, 2009	17.61	18.14	17.14	17.46	473,354	-0.06(-0.32%)
Sep 10, 2009	17.14	17.62	17.02	17.51	464,188	+0.39(+2.27%)
Sep 09, 2009	16.51	17.26	16.33	17.12	1,142,760	+0.56(+3.35%)
Sep 08, 2009	15.60	16.73	15.60	16.57	1,226,526	+1.22(+7.97%)
Sep 04, 2009	15.10	15.40	14.85	15.35	833,167	+0.14(+0.91%)
Sep 03, 2009	15.04	15.25	14.75	15.21	814,681	+0.22(+1.48%)
Sep 02, 2009	15.50	15.50	14.93	14.98	708,353	-0.52(-3.35%)