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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Dec 31, 2007	23.94	24.27	23.55	24.25	732,729	+0.05(+0.19%)
Dec 28, 2007	24.89	25.00	23.97	24.20	410,709	-0.61(-2.46%)
Dec 27, 2007	24.94	25.09	24.10	24.81	470,033	-0.05(-0.19%)
Dec 26, 2007	24.39	24.87	24.18	24.86	359,138	+0.34(+1.40%)
Dec 24, 2007	24.73	25.02	24.21	24.51	409,841	-0.15(-0.60%)
Dec 21, 2007	24.60	24.78	23.92	24.66	1,056,144	+0.60(+2.50%)
Dec 20, 2007	23.12	24.06	22.22	24.06	835,110	+1.28(+5.61%)
Dec 19, 2007	21.34	23.14	21.31	22.78	1,229,126	+1.49(+7.00%)
Dec 18, 2007	21.93	22.17	21.17	21.29	1,377,922	-0.52(-2.38%)
Dec 17, 2007	23.48	23.48	21.79	21.81	1,940,277	-1.67(-7.10%)
Dec 14, 2007	23.38	23.52	23.18	23.48	615,913	-0.24(-1.01%)
Dec 13, 2007	23.89	24.12	23.50	23.72	413,236	-0.31(-1.27%)
Dec 12, 2007	24.52	24.84	23.49	24.02	524,773	+0.13(+0.54%)
Dec 11, 2007	25.30	25.30	23.72	23.89	606,853	-1.26(-5.01%)
Dec 10, 2007	24.70	25.35	24.39	25.15	751,319	+0.45(+1.84%)
Dec 07, 2007	24.58	24.94	24.08	24.70	364,645	+0.17(+0.68%)
Dec 06, 2007	24.50	26.39	23.83	24.53	752,856	-0.06(-0.26%)
Dec 05, 2007	24.54	24.85	24.19	24.60	411,616	+0.50(+2.08%)
Dec 04, 2007	24.46	24.73	24.00	24.10	978,075	-0.64(-2.58%)