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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Nov 30, 2006	15.25	17.23	15.19	17.01	4,559,636	+1.71(+11.20%)
Nov 29, 2006	14.35	15.44	14.35	15.30	1,815,237	+1.07(+7.48%)
Nov 28, 2006	14.10	14.50	13.99	14.23	641,612	+0.03(+0.20%)
Nov 27, 2006	14.64	14.64	13.97	14.21	1,262,492	-0.53(-3.58%)
Nov 24, 2006	14.35	14.81	14.26	14.73	299,642	+0.30(+2.05%)
Nov 22, 2006	14.63	14.74	14.23	14.44	843,533	-0.18(-1.20%)
Nov 21, 2006	14.73	15.05	14.50	14.61	686,747	-0.07(-0.50%)
Nov 20, 2006	14.49	14.73	14.38	14.69	534,496	+0.27(+1.86%)
Nov 17, 2006	14.22	14.43	13.91	14.42	545,186	+0.08(+0.58%)
Nov 16, 2006	14.12	14.59	14.12	14.34	1,274,370	+0.25(+1.77%)
Nov 15, 2006	13.39	14.35	13.34	14.09	1,873,546	+0.69(+5.19%)
Nov 14, 2006	12.99	13.52	12.85	13.39	645,283	+0.41(+3.14%)
Nov 13, 2006	12.76	13.05	12.61	12.98	314,543	+0.21(+1.67%)
Nov 10, 2006	12.72	12.90	12.62	12.77	293,487	+0.04(+0.29%)
Nov 09, 2006	12.88	12.92	12.65	12.73	320,590	-0.16(-1.22%)
Nov 08, 2006	12.86	13.03	12.65	12.89	434,508	-0.06(-0.43%)
Nov 07, 2006	12.84	13.23	12.79	12.95	615,373	+0.10(+0.79%)
Nov 06, 2006	12.47	12.93	12.38	12.85	402,006	+0.52(+4.21%)
Nov 03, 2006	12.48	12.67	12.11	12.33	364,429	-0.12(-0.97%)
Nov 02, 2006	12.18	12.59	12.16	12.45	346,181	+0.19(+1.59%)
Nov 01, 2006	12.41	12.58	12.21	12.25	507,286	-0.16(-1.27%)
Oct 31, 2006	12.55	12.64	12.24	12.41	305,689	-0.09(-0.74%)
Oct 30, 2006	12.61	12.67	12.33	12.50	422,306	-0.18(-1.39%)
Oct 27, 2006	13.10	13.10	12.56	12.68	396,607	-0.42(-3.18%)
Oct 26, 2006	12.94	13.10	12.80	13.10	634,269	+0.30(+2.32%)
Oct 25, 2006	12.35	12.86	12.35	12.80	537,196	+0.39(+3.13%)
Oct 24, 2006	12.26	12.58	12.18	12.41	502,750	+0.06(+0.52%)
Oct 23, 2006	12.39	12.58	12.30	12.35	220,925	-0.14(-1.11%)
Oct 20, 2006	12.75	12.79	12.37	12.48	414,100	-0.22(-1.75%)
Oct 19, 2006	12.63	12.97	12.55	12.71	751,642	+0.21(+1.70%)
Oct 18, 2006	12.20	12.61	12.18	12.49	1,415,066	+0.42(+3.45%)
Oct 17, 2006	12.24	12.24	11.87	12.08	427,273	-0.28(-2.25%)
Oct 16, 2006	12.04	12.37	12.04	12.35	343,481	+0.32(+2.69%)
Oct 13, 2006	11.77	12.09	11.66	12.03	447,573	+0.31(+2.69%)
Oct 12, 2006	11.54	11.72	11.30	11.72	360,434	+0.22(+1.93%)
Oct 11, 2006	11.76	11.81	11.27	11.49	418,635	-0.27(-2.28%)
Oct 10, 2006	11.78	11.79	11.39	11.76	419,930	+0.05(+0.40%)
Oct 09, 2006	11.63	11.80	11.58	11.72	199,329	+0.02(+0.16%)
Oct 06, 2006	11.60	11.79	11.44	11.70	435,587	+0.10(+0.88%)
Oct 05, 2006	11.26	11.61	11.22	11.59	778,853	+0.31(+2.71%)
Oct 04, 2006	11.53	11.53	11.17	11.29	1,427,376	-0.29(-2.48%)
Oct 03, 2006	11.92	11.93	11.44	11.58	597,988	-0.39(-3.25%)
Oct 02, 2006	12.28	12.36	11.94	11.97	524,994	-0.31(-2.56%)
Sep 29, 2006	12.24	12.49	12.13	12.28	705,211	+0.01(+0.07%)
Sep 28, 2006	12.03	12.36	11.95	12.27	759,201	+0.24(+2.00%)
Sep 27, 2006	11.89	12.09	11.84	12.03	465,282	+0.05(+0.39%)
Sep 26, 2006	12.09	12.22	11.88	11.98	489,361	-0.15(-1.22%)
Sep 25, 2006	12.01	12.26	11.84	12.13	654,785	+0.12(+1.00%)
Sep 22, 2006	11.90	12.18	11.74	12.01	709,315	+0.06(+0.54%)
Sep 21, 2006	12.17	12.32	11.78	11.95	511,497	-0.22(-1.83%)
Sep 20, 2006	11.85	12.41	11.85	12.17	1,005,178	+0.46(+3.96%)
Sep 19, 2006	11.84	11.95	11.36	11.71	898,386	-0.08(-0.71%)
Sep 18, 2006	11.36	11.79	11.17	11.79	712,554	+0.47(+4.17%)
Sep 15, 2006	11.34	11.58	11.18	11.32	822,261	+0.05(+0.41%)
Sep 14, 2006	11.58	11.58	11.20	11.27	582,331	-0.31(-2.64%)
Sep 13, 2006	11.69	11.90	11.36	11.58	626,927	-0.11(-0.95%)
Sep 12, 2006	10.10	12.04	10.10	11.69	3,300,815	+1.56(+15.36%)
Sep 11, 2006	10.19	10.46	9.215	10.13	1,739,652	+0.86(+9.29%)
Sep 08, 2006	9.150	9.354	9.085	9.270	426,301	+0.19(+2.04%)
Sep 07, 2006	9.400	9.437	9.057	9.085	787,060	-0.37(-3.92%)
Sep 06, 2006	9.493	9.659	9.446	9.456	473,056	-0.09(-0.97%)
Sep 05, 2006	9.530	9.659	9.446	9.548	324,693	-0.03(-0.29%)