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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Aug 31, 2007	20.39	20.84	20.02	20.69	554,041	+0.58(+2.90%)
Aug 30, 2007	20.00	20.74	19.14	20.11	472,624	-0.25(-1.23%)
Aug 29, 2007	19.70	20.39	19.53	20.36	278,262	+0.80(+4.07%)
Aug 28, 2007	20.22	20.37	19.51	19.56	610,838	-0.82(-4.04%)
Aug 27, 2007	21.15	21.18	20.11	20.38	466,793	-0.92(-4.30%)
Aug 24, 2007	20.24	21.37	20.02	21.30	581,467	+0.98(+4.83%)
Aug 23, 2007	20.37	20.55	19.57	20.32	623,579	+0.01(+0.05%)
Aug 22, 2007	19.44	20.34	19.44	20.31	425,761	+1.13(+5.89%)
Aug 21, 2007	19.36	19.91	19.00	19.18	356,115	-0.21(-1.10%)
Aug 20, 2007	19.59	20.18	18.86	19.39	707,803	-0.07(-0.38%)
Aug 17, 2007	20.10	20.25	18.83	19.47	1,050,637	+0.91(+4.89%)
Aug 16, 2007	18.42	18.93	17.14	18.56	1,762,975	+0.18(+0.96%)
Aug 15, 2007	18.63	19.45	17.95	18.38	772,267	-0.31(-1.68%)
Aug 14, 2007	19.68	19.68	18.69	18.70	559,764	-0.79(-4.04%)
Aug 13, 2007	19.49	19.97	19.09	19.49	705,967	+0.39(+2.04%)
Aug 10, 2007	20.84	20.84	18.45	19.10	1,102,683	+0.00(+0.00%)
Aug 09, 2007	18.80	19.61	18.63	19.10	1,742,999	-0.27(-1.39%)
Aug 08, 2007	18.96	19.89	18.92	19.36	1,232,690	+0.62(+3.31%)
Aug 07, 2007	18.01	18.98	17.95	18.74	1,049,989	+0.45(+2.48%)
Aug 06, 2007	18.29	18.50	17.21	18.29	1,363,560	-0.20(-1.10%)
Aug 03, 2007	18.79	19.17	18.38	18.49	1,117,368	-0.68(-3.53%)
Aug 02, 2007	19.27	19.83	18.92	19.17	1,095,448	-0.03(-0.14%)