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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Nov 30, 2006	16.47	18.60	16.40	18.37	4,222,700	+1.85(+11.20%)
Nov 29, 2006	15.49	16.67	15.49	16.52	1,681,100	+1.15(+7.48%)
Nov 28, 2006	15.22	15.66	15.11	15.37	594,200	+0.03(+0.20%)
Nov 27, 2006	15.81	15.81	15.08	15.34	1,169,200	-0.57(-3.58%)
Nov 24, 2006	15.49	15.99	15.40	15.91	277,500	+0.32(+2.05%)
Nov 22, 2006	15.80	15.92	15.37	15.59	781,200	-0.19(-1.20%)
Nov 21, 2006	15.90	16.25	15.66	15.78	636,000	-0.08(-0.50%)
Nov 20, 2006	15.65	15.90	15.53	15.86	495,000	+0.29(+1.86%)
Nov 17, 2006	15.35	15.58	15.02	15.57	504,900	+0.09(+0.58%)
Nov 16, 2006	15.25	15.75	15.25	15.48	1,180,200	+0.27(+1.78%)
Nov 15, 2006	14.46	15.50	14.40	15.21	1,735,100	+0.75(+5.19%)
Nov 14, 2006	14.03	14.60	13.88	14.46	597,600	+0.44(+3.14%)
Nov 13, 2006	13.78	14.09	13.62	14.02	291,300	+0.23(+1.67%)
Nov 10, 2006	13.73	13.93	13.63	13.79	271,800	+0.04(+0.29%)
Nov 09, 2006	13.91	13.95	13.66	13.75	296,900	-0.17(-1.22%)
Nov 08, 2006	13.89	14.07	13.66	13.92	402,400	-0.06(-0.43%)
Nov 07, 2006	13.86	14.29	13.81	13.98	569,900	+0.11(+0.79%)
Nov 06, 2006	13.46	13.96	13.37	13.87	372,300	+0.56(+4.21%)
Nov 03, 2006	13.48	13.68	13.08	13.31	337,500	-0.13(-0.97%)
Nov 02, 2006	13.15	13.59	13.13	13.44	320,600	+0.21(+1.59%)
Nov 01, 2006	13.40	13.58	13.18	13.23	469,800	-0.17(-1.27%)
Oct 31, 2006	13.55	13.65	13.22	13.40	283,100	-0.10(-0.74%)
Oct 30, 2006	13.62	13.68	13.31	13.50	391,100	-0.19(-1.39%)
Oct 27, 2006	14.15	14.15	13.56	13.69	367,300	-0.45(-3.18%)
Oct 26, 2006	13.97	14.15	13.82	14.14	587,400	+0.32(+2.32%)
Oct 25, 2006	13.34	13.89	13.34	13.82	497,500	+0.42(+3.13%)
Oct 24, 2006	13.24	13.58	13.15	13.40	465,600	+0.07(+0.53%)
Oct 23, 2006	13.38	13.58	13.28	13.33	204,600	-0.15(-1.11%)
Oct 20, 2006	13.77	13.81	13.36	13.48	383,500	-0.24(-1.75%)
Oct 19, 2006	13.64	14.00	13.55	13.72	696,100	+0.23(+1.70%)
Oct 18, 2006	13.17	13.62	13.15	13.49	1,310,500	+0.45(+3.45%)
Oct 17, 2006	13.22	13.22	12.82	13.04	395,700	-0.30(-2.25%)
Oct 16, 2006	13.00	13.36	13.00	13.34	318,100	+0.35(+2.69%)
Oct 13, 2006	12.71	13.05	12.59	12.99	414,500	+0.34(+2.69%)
Oct 12, 2006	12.46	12.66	12.20	12.65	333,800	+0.24(+1.93%)
Oct 11, 2006	12.70	12.75	12.17	12.41	387,700	-0.29(-2.28%)
Oct 10, 2006	12.72	12.73	12.30	12.70	388,900	+0.05(+0.40%)
Oct 09, 2006	12.56	12.74	12.50	12.65	184,600	+0.02(+0.16%)
Oct 06, 2006	12.53	12.73	12.35	12.63	403,400	+0.11(+0.88%)
Oct 05, 2006	12.16	12.54	12.11	12.52	721,300	+0.33(+2.71%)
Oct 04, 2006	12.45	12.45	12.06	12.19	1,321,900	-0.31(-2.48%)
Oct 03, 2006	12.87	12.88	12.35	12.50	553,800	-0.42(-3.25%)
Oct 02, 2006	13.26	13.35	12.89	12.92	486,200	-0.34(-2.56%)
Sep 29, 2006	13.22	13.49	13.10	13.26	653,100	+0.01(+0.08%)
Sep 28, 2006	12.99	13.35	12.90	13.25	703,100	+0.26(+2.00%)
Sep 27, 2006	12.84	13.05	12.79	12.99	430,900	+0.05(+0.39%)
Sep 26, 2006	13.05	13.20	12.83	12.94	453,200	-0.16(-1.22%)
Sep 25, 2006	12.97	13.24	12.78	13.10	606,400	+0.13(+1.00%)
Sep 22, 2006	12.85	13.15	12.68	12.97	656,900	+0.07(+0.54%)
Sep 21, 2006	13.14	13.30	12.72	12.90	473,700	-0.24(-1.83%)
Sep 20, 2006	12.80	13.40	12.80	13.14	930,900	+0.50(+3.96%)
Sep 19, 2006	12.78	12.90	12.27	12.64	832,000	-0.09(-0.71%)
Sep 18, 2006	12.27	12.73	12.06	12.73	659,900	+0.51(+4.17%)
Sep 15, 2006	12.24	12.50	12.07	12.22	761,500	+0.05(+0.41%)
Sep 14, 2006	12.50	12.50	12.09	12.17	539,300	-0.33(-2.64%)
Sep 13, 2006	12.62	12.85	12.27	12.50	580,600	-0.12(-0.95%)
Sep 12, 2006	10.91	13.00	10.91	12.62	3,056,900	+1.68(+15.36%)
Sep 11, 2006	11.00	11.30	9.950	10.94	1,611,100	+0.93(+9.29%)
Sep 08, 2006	9.880	10.10	9.810	10.01	394,800	+0.20(+2.04%)
Sep 07, 2006	10.15	10.19	9.780	9.810	728,900	-0.40(-3.92%)
Sep 06, 2006	10.25	10.43	10.20	10.21	438,100	-0.10(-0.97%)
Sep 05, 2006	10.29	10.43	10.20	10.31	300,700	-0.03(-0.29%)