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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
May 29, 2009	13.49	13.52	12.76	12.98	686,904	-0.44(-3.28%)
May 28, 2009	13.67	13.92	12.84	13.42	390,010	+0.03(+0.22%)
May 27, 2009	13.91	14.21	13.35	13.39	411,036	-0.39(-2.83%)
May 26, 2009	12.75	13.90	12.56	13.78	1,029,743	+1.13(+8.93%)
May 22, 2009	12.78	13.12	12.52	12.65	573,003	-0.04(-0.32%)
May 21, 2009	12.59	12.80	12.27	12.69	679,306	-0.20(-1.55%)
May 20, 2009	12.91	13.55	12.75	12.89	1,137,238	-0.06(-0.46%)
May 19, 2009	13.27	13.27	12.75	12.95	740,540	-0.23(-1.75%)
May 18, 2009	12.41	13.22	12.40	13.18	1,146,734	+1.01(+8.30%)
May 15, 2009	12.16	12.65	11.99	12.17	707,118	-0.12(-0.98%)
May 14, 2009	11.67	12.46	11.21	12.29	933,697	+0.68(+5.86%)
May 13, 2009	11.72	12.11	11.47	11.61	964,660	-0.49(-4.05%)
May 12, 2009	12.61	12.80	11.28	12.10	964,530	-0.40(-3.20%)
May 11, 2009	12.62	12.86	11.77	12.50	1,544,687	-0.56(-4.29%)
May 08, 2009	9.810	13.06	9.450	13.06	3,835,259	+3.54(+37.26%)
May 07, 2009	10.06	10.07	9.500	9.515	1,304,227	-0.32(-3.30%)
May 06, 2009	10.07	10.35	9.560	9.840	567,074	+0.00(+0.00%)
May 05, 2009	9.890	10.20	9.570	9.840	703,602	-0.18(-1.80%)
May 04, 2009	9.320	10.04	9.300	10.02	720,028	+0.71(+7.63%)