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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Dec 31, 2009	25.95	25.35	25.35	25.35	321,900	-0.82(-3.13%)
Dec 30, 2009	25.74	26.30	25.46	26.17	321,989	+0.35(+1.36%)
Dec 29, 2009	25.72	26.20	25.70	25.82	353,855	+0.12(+0.47%)
Dec 28, 2009	25.87	26.01	25.53	25.70	224,529	-0.09(-0.35%)
Dec 24, 2009	25.48	25.81	25.48	25.79	101,586	+0.39(+1.54%)
Dec 23, 2009	25.04	25.47	24.83	25.40	297,861	+0.52(+2.09%)
Dec 22, 2009	24.65	25.00	24.55	24.88	330,098	+0.23(+0.93%)
Dec 21, 2009	24.82	25.24	24.59	24.65	406,750	-0.02(-0.08%)
Dec 18, 2009	24.69	25.06	24.31	24.67	887,802	+0.29(+1.19%)
Dec 17, 2009	24.81	25.00	24.25	24.38	718,934	-0.76(-3.02%)
Dec 16, 2009	24.66	25.53	24.59	25.14	784,570	+0.87(+3.58%)
Dec 15, 2009	24.41	24.77	24.15	24.27	374,424	-0.33(-1.34%)
Dec 14, 2009	24.65	25.00	24.49	24.60	566,657	+0.48(+1.99%)
Dec 11, 2009	24.11	24.75	23.74	24.12	631,080	+0.02(+0.08%)
Dec 10, 2009	24.50	24.50	23.87	24.10	449,990	-0.32(-1.31%)
Dec 09, 2009	23.78	24.50	23.42	24.42	604,062	+0.60(+2.52%)
Dec 08, 2009	23.79	24.19	23.45	23.82	495,676	-0.20(-0.83%)
Dec 07, 2009	23.59	24.23	23.58	24.02	268,984	+0.36(+1.52%)
Dec 04, 2009	23.93	24.50	23.13	23.66	526,069	+0.24(+1.02%)
Dec 03, 2009	23.95	24.11	23.36	23.42	447,406	-0.45(-1.89%)
Dec 02, 2009	22.91	23.94	22.89	23.87	473,963	+0.97(+4.24%)
Dec 01, 2009	23.21	23.38	22.81	22.90	593,460	+0.04(+0.17%)
Nov 30, 2009	22.90	22.95	22.31	22.86	785,901	-0.05(-0.22%)
Nov 27, 2009	22.97	23.61	22.70	22.91	287,582	-1.14(-4.74%)
Nov 25, 2009	24.01	24.18	23.78	24.05	216,530	+0.14(+0.59%)
Nov 24, 2009	23.99	24.08	23.31	23.91	354,940	-0.02(-0.08%)
Nov 23, 2009	24.23	24.48	23.71	23.93	459,137	+0.33(+1.40%)
Nov 20, 2009	23.24	23.73	23.10	23.60	341,055	+0.02(+0.08%)
Nov 19, 2009	24.04	24.07	23.27	23.58	550,782	-0.90(-3.68%)
Nov 18, 2009	24.78	24.78	23.95	24.48	513,083	-0.30(-1.21%)
Nov 17, 2009	24.15	24.91	24.05	24.78	567,916	+0.37(+1.52%)
Nov 16, 2009	24.20	24.75	24.00	24.41	807,021	+0.61(+2.56%)
Nov 13, 2009	23.27	24.10	22.98	23.80	685,740	+0.39(+1.67%)
Nov 12, 2009	24.02	24.27	23.35	23.41	947,007	-0.62(-2.58%)
Nov 11, 2009	24.28	24.51	23.56	24.03	592,870	+0.01(+0.04%)
Nov 10, 2009	23.79	24.22	23.39	24.02	630,730	+0.24(+1.01%)
Nov 09, 2009	23.64	24.51	23.57	23.78	794,452	+0.40(+1.71%)
Nov 06, 2009	22.64	23.59	22.45	23.38	501,488	+0.39(+1.70%)
Nov 05, 2009	22.26	23.35	22.25	22.99	1,044,530	+1.02(+4.64%)
Nov 04, 2009	22.81	22.89	21.92	21.97	560,501	-0.53(-2.36%)
Nov 03, 2009	21.77	22.67	21.54	22.50	507,007	+0.36(+1.63%)
Nov 02, 2009	22.07	22.65	21.27	22.14	769,888	+0.25(+1.14%)
Oct 30, 2009	22.72	22.72	21.60	21.89	793,905	-1.06(-4.62%)
Oct 29, 2009	22.69	23.15	22.64	22.95	974,434	+0.60(+2.68%)
Oct 28, 2009	23.24	23.31	22.26	22.35	770,623	-0.96(-4.12%)
Oct 27, 2009	24.03	24.57	23.23	23.31	1,039,084	-0.66(-2.75%)
Oct 26, 2009	23.73	24.80	23.55	23.97	1,108,011	+0.34(+1.44%)
Oct 23, 2009	23.65	23.85	23.39	23.63	872,130	+0.06(+0.25%)
Oct 22, 2009	20.96	24.53	20.96	23.57	1,724,451	+0.62(+2.70%)
Oct 21, 2009	23.91	24.56	22.77	22.95	923,090	-1.10(-4.57%)
Oct 20, 2009	23.98	24.18	23.92	24.05	702,076	-0.30(-1.23%)
Oct 19, 2009	24.10	24.97	23.89	24.35	527,623	+0.32(+1.33%)
Oct 16, 2009	24.15	24.41	23.93	24.03	703,925	-0.37(-1.52%)
Oct 15, 2009	23.96	24.88	23.78	24.40	835,339	+0.17(+0.70%)
Oct 14, 2009	23.55	24.36	23.01	24.23	802,660	+1.25(+5.44%)
Oct 13, 2009	22.92	23.13	22.30	22.98	502,824	-0.06(-0.26%)
Oct 12, 2009	23.30	23.54	22.16	23.04	560,727	-0.33(-1.41%)
Oct 09, 2009	23.31	23.59	22.97	23.37	324,556	+0.08(+0.34%)
Oct 08, 2009	23.09	23.75	22.92	23.29	929,959	+0.56(+2.46%)
Oct 07, 2009	22.60	23.00	22.36	22.73	330,994	+0.05(+0.22%)
Oct 06, 2009	22.18	23.05	21.94	22.68	753,513	+0.82(+3.75%)
Oct 05, 2009	20.87	21.93	20.77	21.86	649,617	+1.10(+5.30%)
Oct 02, 2009	20.27	21.04	19.78	20.76	786,612	-0.02(-0.10%)