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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2007	25.33	25.67	24.78	25.07	812,651	-0.10(-0.40%)
May 30, 2007	24.45	25.25	24.17	25.17	454,376	+0.52(+2.10%)
May 29, 2007	24.52	24.77	24.29	24.65	489,901	+0.27(+1.10%)
May 25, 2007	23.83	24.49	23.72	24.38	375,443	+0.69(+2.93%)
May 24, 2007	24.45	24.75	23.61	23.69	622,175	-0.86(-3.51%)
May 23, 2007	24.87	25.20	24.41	24.55	375,659	-0.31(-1.27%)
May 22, 2007	24.94	25.08	24.75	24.87	334,951	-0.17(-0.67%)
May 21, 2007	24.02	25.32	23.81	25.03	1,306,809	+0.94(+3.92%)
May 18, 2007	24.18	24.38	23.80	24.09	571,857	-0.09(-0.38%)
May 17, 2007	24.24	24.38	23.74	24.18	654,353	-0.03(-0.11%)
May 16, 2007	24.16	24.46	23.43	24.21	636,753	+0.11(+0.46%)
May 15, 2007	24.77	24.88	23.89	24.10	692,643	-0.61(-2.47%)
May 14, 2007	25.26	25.37	24.19	24.71	1,037,571	-0.52(-2.06%)
May 11, 2007	25.18	25.61	25.04	25.23	230,967	+0.22(+0.89%)
May 10, 2007	25.44	25.44	24.65	25.00	685,667	-0.44(-1.71%)
May 09, 2007	25.20	25.84	25.05	25.44	574,989	+0.18(+0.70%)
May 08, 2007	25.32	25.45	24.95	25.26	527,170	-0.23(-0.91%)
May 07, 2007	25.15	25.75	25.13	25.50	342,509	+0.23(+0.92%)
May 04, 2007	25.62	25.62	24.99	25.26	969,005	-0.35(-1.37%)
May 03, 2007	26.33	26.44	25.40	25.62	1,212,336	-0.71(-2.71%)
May 02, 2007	25.13	26.41	24.91	26.33	1,328,230	+1.19(+4.75%)