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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Feb 29, 2012	52.77	53.16	52.25	52.75	635,957	+0.01(+0.02%)
Feb 28, 2012	52.35	53.03	52.34	52.74	549,648	+0.45(+0.87%)
Feb 27, 2012	52.07	52.42	51.69	52.29	389,397	-0.23(-0.44%)
Feb 24, 2012	51.78	52.61	51.78	52.52	392,633	+0.49(+0.94%)
Feb 23, 2012	51.63	52.09	51.45	52.03	329,928	+0.33(+0.64%)
Feb 22, 2012	51.73	51.92	51.51	51.70	383,231	-0.07(-0.14%)
Feb 21, 2012	52.07	52.20	51.52	51.77	594,269	-0.14(-0.27%)
Feb 17, 2012	52.44	52.44	51.35	51.91	461,407	-0.18(-0.34%)
Feb 16, 2012	51.08	52.86	51.00	52.08	898,157	+0.94(+1.85%)
Feb 15, 2012	51.84	51.86	50.77	51.14	535,443	-0.33(-0.65%)
Feb 14, 2012	51.45	51.67	51.13	51.47	466,227	-0.14(-0.27%)
Feb 13, 2012	51.15	51.82	51.01	51.61	741,643	+0.83(+1.64%)
Feb 10, 2012	50.36	51.06	50.10	50.78	679,435	-0.25(-0.49%)
Feb 09, 2012	51.29	51.40	50.63	51.03	754,338	+0.02(+0.04%)
Feb 08, 2012	50.87	51.15	50.51	51.01	607,190	+0.24(+0.47%)
Feb 07, 2012	50.49	51.64	50.49	50.77	714,626	+0.07(+0.15%)
Feb 06, 2012	50.26	50.78	49.93	50.70	598,039	+0.03(+0.05%)
Feb 03, 2012	50.00	51.21	49.67	50.67	1,712,931	+0.76(+1.52%)
Feb 02, 2012	50.21	50.52	49.72	49.91	1,114,346	-0.40(-0.79%)