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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Feb 28, 2007	22.60	23.22	21.53	22.82	1,087,242	+0.44(+1.99%)
Feb 27, 2007	23.62	23.79	21.75	22.37	1,383,105	-1.80(-7.43%)
Feb 26, 2007	24.41	24.75	23.56	24.17	998,704	-0.16(-0.65%)
Feb 23, 2007	23.29	24.75	23.27	24.33	1,248,023	+0.71(+3.02%)
Feb 22, 2007	23.85	24.00	23.00	23.62	841,481	-0.23(-0.97%)
Feb 21, 2007	22.55	24.04	22.55	23.85	1,337,753	+1.18(+5.19%)
Feb 20, 2007	22.84	22.85	22.32	22.67	697,545	-0.18(-0.77%)
Feb 16, 2007	21.93	22.93	21.73	22.85	1,117,476	+0.93(+4.22%)
Feb 15, 2007	22.00	22.28	21.83	21.92	471,005	-0.10(-0.46%)
Feb 14, 2007	21.85	22.12	21.65	22.02	498,703	+0.19(+0.89%)
Feb 13, 2007	21.68	22.00	21.42	21.83	436,853	+0.23(+1.07%)
Feb 12, 2007	21.75	21.75	21.02	21.60	617,824	-0.16(-0.72%)
Feb 09, 2007	22.09	22.54	21.61	21.75	644,743	-0.31(-1.43%)
Feb 08, 2007	20.85	22.15	20.85	22.07	658,348	+0.74(+3.47%)
Feb 07, 2007	21.58	22.13	20.99	21.33	1,356,110	-0.67(-3.03%)
Feb 06, 2007	20.56	22.60	20.47	22.00	1,852,166	+1.48(+7.22%)
Feb 05, 2007	20.38	20.73	20.38	20.51	512,037	+0.08(+0.41%)
Feb 02, 2007	20.53	20.78	20.32	20.43	549,829	+0.01(+0.05%)