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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Dec 31, 2007	25.85	26.21	25.43	26.18	678,584	+0.05(+0.19%)
Dec 28, 2007	26.88	26.99	25.88	26.13	380,360	-0.66(-2.46%)
Dec 27, 2007	26.93	27.09	26.02	26.79	435,300	-0.05(-0.19%)
Dec 26, 2007	26.34	26.85	26.11	26.84	332,600	+0.37(+1.40%)
Dec 24, 2007	26.70	27.02	26.14	26.47	379,556	-0.16(-0.60%)
Dec 21, 2007	26.56	26.76	25.83	26.63	978,100	+0.65(+2.50%)
Dec 20, 2007	24.96	25.98	23.99	25.98	773,400	+1.38(+5.61%)
Dec 19, 2007	23.04	24.99	23.01	24.60	1,138,300	+1.61(+7.00%)
Dec 18, 2007	23.68	23.94	22.86	22.99	1,276,100	-0.56(-2.38%)
Dec 17, 2007	25.35	25.35	23.53	23.55	1,796,900	-1.80(-7.10%)
Dec 14, 2007	25.25	25.40	25.03	25.35	570,400	-0.26(-1.02%)
Dec 13, 2007	25.80	26.05	25.38	25.61	382,700	-0.33(-1.27%)
Dec 12, 2007	26.48	26.82	25.36	25.94	485,995	+0.14(+0.54%)
Dec 11, 2007	27.32	27.32	25.61	25.80	562,010	-1.36(-5.01%)
Dec 10, 2007	26.67	27.37	26.34	27.16	695,800	+0.49(+1.84%)
Dec 07, 2007	26.54	26.93	26.00	26.67	337,700	+0.18(+0.68%)
Dec 06, 2007	26.46	28.50	25.73	26.49	697,224	-0.07(-0.26%)
Dec 05, 2007	26.50	26.83	26.11	26.56	381,200	+0.54(+2.08%)
Dec 04, 2007	26.41	26.70	25.92	26.02	905,800	-0.69(-2.58%)
Dec 03, 2007	26.78	27.45	26.58	26.71	492,944	-0.30(-1.11%)
Nov 30, 2007	27.37	27.51	26.61	27.01	404,300	+0.05(+0.19%)
Nov 29, 2007	26.80	27.30	26.44	26.96	536,900	-0.02(-0.07%)
Nov 28, 2007	25.54	27.10	25.53	26.98	826,200	+1.60(+6.30%)
Nov 27, 2007	24.88	25.54	24.68	25.38	1,130,026	+0.59(+2.38%)
Nov 26, 2007	25.46	26.00	24.73	24.79	424,900	-0.77(-3.01%)
Nov 23, 2007	25.35	25.69	25.03	25.56	250,700	+0.55(+2.20%)
Nov 21, 2007	24.77	25.48	24.07	25.01	663,131	+0.05(+0.20%)
Nov 20, 2007	25.15	25.76	24.43	24.96	3,999,700	-0.24(-0.95%)
Nov 19, 2007	26.22	26.22	24.71	25.20	706,300	-1.35(-5.08%)
Nov 16, 2007	25.88	26.72	25.24	26.55	1,332,400	+0.08(+0.30%)
Nov 15, 2007	27.38	27.75	26.00	26.47	574,700	-1.14(-4.13%)
Nov 14, 2007	27.73	27.96	27.15	27.61	578,450	+0.11(+0.40%)
Nov 13, 2007	27.00	27.70	26.87	27.50	746,200	+0.75(+2.80%)
Nov 12, 2007	27.67	28.36	26.16	26.75	1,200,500	-1.06(-3.81%)
Nov 09, 2007	27.54	28.21	26.82	27.81	936,700	-0.52(-1.84%)
Nov 08, 2007	28.26	28.68	27.07	28.33	670,800	+0.28(+1.00%)
Nov 07, 2007	28.14	28.87	28.00	28.05	677,390	-0.87(-3.01%)
Nov 06, 2007	28.15	28.96	27.25	28.92	1,508,200	+0.62(+2.19%)
Nov 05, 2007	28.47	28.68	27.79	28.30	575,892	-0.59(-2.04%)
Nov 02, 2007	28.54	28.97	27.65	28.89	888,500	+0.73(+2.59%)
Nov 01, 2007	29.35	29.56	28.00	28.16	868,300	-1.44(-4.86%)
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%)