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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Oct 31, 2007	29.56	29.89	29.00	29.60	553,000	+0.26(+0.89%)
Oct 30, 2007	29.94	30.28	29.21	29.34	576,300	-0.79(-2.62%)
Oct 29, 2007	30.70	30.75	29.83	30.13	441,100	-0.30(-0.99%)
Oct 26, 2007	30.37	30.81	30.13	30.43	499,000	+0.27(+0.90%)
Oct 25, 2007	30.83	30.83	29.73	30.16	382,000	-0.14(-0.46%)
Oct 24, 2007	30.04	30.57	29.50	30.30	597,300	+0.18(+0.60%)
Oct 23, 2007	30.12	30.39	29.30	30.12	821,300	+0.20(+0.67%)
Oct 22, 2007	29.97	30.00	29.00	29.92	670,900	-0.11(-0.37%)
Oct 19, 2007	30.41	30.49	29.90	30.03	692,800	-0.47(-1.54%)
Oct 18, 2007	30.00	30.60	30.00	30.50	545,800	+0.17(+0.56%)
Oct 17, 2007	30.29	30.93	29.87	30.33	1,061,300	+0.22(+0.73%)
Oct 16, 2007	30.30	30.98	29.82	30.11	836,200	-0.27(-0.89%)
Oct 15, 2007	29.76	31.64	29.10	30.38	1,461,600	-0.27(-0.88%)
Oct 12, 2007	28.92	32.80	28.92	30.65	5,814,804	+1.82(+6.31%)
Oct 11, 2007	28.42	29.25	28.18	28.83	929,100	+0.57(+2.02%)
Oct 10, 2007	28.23	28.50	27.75	28.26	343,300	+0.03(+0.11%)
Oct 09, 2007	27.94	28.23	27.18	28.23	285,900	+0.32(+1.15%)
Oct 08, 2007	28.04	28.24	27.40	27.91	220,000	-0.15(-0.53%)
Oct 05, 2007	28.20	28.37	27.57	28.06	461,500	+0.12(+0.43%)
Oct 04, 2007	27.99	28.21	27.69	27.94	390,200	+0.12(+0.43%)
Oct 03, 2007	27.84	28.23	27.10	27.82	530,900	-0.08(-0.29%)
Oct 02, 2007	27.39	28.02	27.33	27.90	374,400	+0.65(+2.39%)
Oct 01, 2007	26.85	27.99	26.85	27.25	611,500	+0.39(+1.45%)
Sep 28, 2007	26.63	27.92	26.50	26.86	756,200	+0.11(+0.41%)
Sep 27, 2007	27.14	27.40	26.55	26.75	464,200	-0.21(-0.78%)
Sep 26, 2007	26.55	27.27	26.55	26.96	455,400	+0.57(+2.16%)
Sep 25, 2007	26.00	26.60	25.89	26.39	304,000	+0.03(+0.11%)
Sep 24, 2007	27.01	27.41	25.68	26.36	718,100	-0.72(-2.66%)
Sep 21, 2007	26.14	27.51	25.93	27.08	1,727,000	+1.19(+4.60%)
Sep 20, 2007	26.13	26.92	25.12	25.89	1,846,800	-0.31(-1.18%)
Sep 19, 2007	25.83	26.62	25.71	26.20	931,200	+0.64(+2.50%)
Sep 18, 2007	25.26	25.78	24.63	25.56	894,100	+0.46(+1.83%)
Sep 17, 2007	25.67	25.77	24.85	25.10	728,300	-0.59(-2.30%)
Sep 14, 2007	25.72	25.97	25.18	25.69	598,200	-0.07(-0.27%)
Sep 13, 2007	25.70	25.93	25.45	25.76	810,300	+0.24(+0.94%)
Sep 12, 2007	25.62	25.72	25.33	25.52	656,200	-0.14(-0.55%)
Sep 11, 2007	25.35	25.91	25.28	25.66	1,169,100	+0.49(+1.95%)
Sep 10, 2007	25.20	25.34	24.35	25.17	811,967	+0.47(+1.90%)
Sep 07, 2007	24.35	26.04	23.72	24.70	1,283,600	-0.02(-0.08%)
Sep 06, 2007	23.77	24.72	22.87	24.72	683,700	+1.25(+5.33%)
Sep 05, 2007	23.03	23.55	22.88	23.47	652,200	+0.20(+0.86%)
Sep 04, 2007	22.33	23.69	22.25	23.27	911,300	+0.93(+4.16%)
Aug 31, 2007	22.02	22.50	21.62	22.34	513,100	+0.63(+2.90%)
Aug 30, 2007	21.60	22.39	20.67	21.71	437,700	-0.27(-1.23%)
Aug 29, 2007	21.27	22.02	21.09	21.98	257,700	+0.86(+4.07%)
Aug 28, 2007	21.83	22.00	21.07	21.12	565,700	-0.89(-4.04%)
Aug 27, 2007	22.84	22.87	21.72	22.01	432,300	-0.99(-4.30%)
Aug 24, 2007	21.86	23.07	21.62	23.00	538,500	+1.06(+4.83%)
Aug 23, 2007	22.00	22.19	21.13	21.94	577,500	+0.01(+0.05%)
Aug 22, 2007	20.99	21.96	20.99	21.93	394,300	+1.22(+5.89%)
Aug 21, 2007	20.90	21.50	20.52	20.71	329,800	-0.23(-1.10%)
Aug 20, 2007	21.15	21.79	20.36	20.94	655,500	-0.08(-0.38%)
Aug 17, 2007	21.70	21.87	20.33	21.02	973,000	+0.98(+4.89%)
Aug 16, 2007	19.89	20.44	18.51	20.04	1,632,700	+0.19(+0.96%)
Aug 15, 2007	20.12	21.00	19.38	19.85	715,200	-0.34(-1.68%)
Aug 14, 2007	21.25	21.25	20.18	20.19	518,400	-0.85(-4.04%)
Aug 13, 2007	21.05	21.56	20.61	21.04	653,800	+0.42(+2.04%)
Aug 10, 2007	22.50	22.50	19.92	20.62	1,021,200	+0.00(+0.00%)
Aug 09, 2007	20.30	21.17	20.12	20.62	1,614,200	-0.29(-1.39%)
Aug 08, 2007	20.47	21.48	20.43	20.91	1,141,600	+0.67(+3.31%)
Aug 07, 2007	19.45	20.49	19.38	20.24	972,400	+0.49(+2.48%)
Aug 06, 2007	19.75	19.98	18.58	19.75	1,262,800	-0.22(-1.10%)
Aug 03, 2007	20.29	20.70	19.85	19.97	1,034,800	-0.73(-3.53%)
Aug 02, 2007	20.81	21.41	20.43	20.70	1,014,500	-0.03(-0.14%)