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%)
Sep 01, 2009	15.44	16.40	15.31	15.50	658,739	+0.01(+0.06%)
Aug 31, 2009	15.80	15.96	15.35	15.49	482,548	-0.51(-3.18%)
Aug 28, 2009	16.21	16.37	15.91	16.00	260,645	-0.02(-0.12%)
Aug 27, 2009	16.11	16.31	15.72	16.02	604,219	-0.17(-1.03%)
Aug 26, 2009	16.29	16.48	15.92	16.19	381,656	-0.08(-0.51%)
Aug 25, 2009	16.47	16.58	16.16	16.27	407,490	+0.00(+0.00%)
Aug 24, 2009	16.52	16.87	16.12	16.27	460,757	-0.12(-0.73%)
Aug 21, 2009	15.90	16.40	15.82	16.39	968,191	+0.80(+5.11%)
Aug 20, 2009	15.85	16.30	15.50	15.60	672,594	-0.36(-2.26%)
Aug 19, 2009	15.21	16.09	15.11	15.96	349,856	+0.37(+2.38%)
Aug 18, 2009	15.14	15.74	15.05	15.59	405,747	+0.72(+4.86%)
Aug 17, 2009	15.24	15.48	14.82	14.86	839,047	-0.96(-6.09%)
Aug 14, 2009	16.67	16.73	15.60	15.83	710,906	-0.84(-5.06%)
Aug 13, 2009	16.44	16.90	16.28	16.67	356,250	+0.42(+2.56%)
Aug 12, 2009	16.05	16.49	16.02	16.25	419,587	+0.15(+0.92%)
Aug 11, 2009	16.04	16.20	15.60	16.11	257,429	-0.04(-0.23%)
Aug 10, 2009	16.25	16.44	15.93	16.14	366,877	-0.30(-1.80%)
Aug 07, 2009	16.26	16.60	16.05	16.44	500,642	+0.52(+3.26%)
Aug 06, 2009	16.57	16.63	15.68	15.92	841,695	-0.48(-2.94%)
Aug 05, 2009	16.43	16.89	16.11	16.40	618,626	-0.06(-0.34%)
Aug 04, 2009	16.23	16.70	15.98	16.46	658,570	+0.22(+1.37%)
Aug 03, 2009	15.80	16.29	15.70	16.23	690,963	+0.83(+5.41%)
Jul 31, 2009	15.50	15.81	15.37	15.40	426,797	-0.10(-0.66%)
Jul 30, 2009	15.55	15.88	15.45	15.50	539,295	+0.26(+1.70%)
Jul 29, 2009	15.62	15.65	15.20	15.24	538,630	-0.57(-3.63%)
Jul 28, 2009	15.96	16.61	15.29	15.82	1,125,544	-0.10(-0.64%)
Jul 27, 2009	15.63	16.13	15.56	15.92	925,639	+0.37(+2.38%)
Jul 24, 2009	14.63	15.59	13.89	15.55	1,806	+1.10(+7.63%)
Jul 23, 2009	13.53	14.51	13.40	14.45	884,934	+0.86(+6.34%)
Jul 22, 2009	13.35	13.75	13.24	13.59	342,832	+0.07(+0.55%)
Jul 21, 2009	13.30	13.59	13.15	13.51	467,000	+0.31(+2.39%)
Jul 20, 2009	12.99	13.35	12.84	13.20	591,880	+0.36(+2.81%)
Jul 17, 2009	12.45	12.97	12.32	12.84	530,487	+0.35(+2.82%)
Jul 16, 2009	12.02	12.54	11.91	12.48	466,068	+0.41(+3.37%)
Jul 15, 2009	11.26	12.11	11.25	12.08	888,456	+0.94(+8.49%)
Jul 14, 2009	11.10	11.49	10.98	11.13	699,222	+0.46(+4.34%)
Jul 13, 2009	10.39	10.74	10.32	10.67	597,454	+0.07(+0.70%)
Jul 10, 2009	10.27	10.65	10.19	10.59	363,186	+0.19(+1.78%)
Jul 09, 2009	10.32	10.65	10.27	10.41	336,453	+0.19(+1.81%)
Jul 08, 2009	10.40	10.47	9.854	10.22	406,557	-0.08(-0.81%)
Jul 07, 2009	10.65	10.72	10.29	10.31	600,562	-0.36(-3.39%)
Jul 06, 2009	10.92	10.95	10.35	10.67	484,110	-0.30(-2.70%)
Jul 02, 2009	11.41	11.42	10.97	10.97	411,579	-0.75(-6.40%)