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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Dec 31, 2009	24.03	23.48	23.48	23.48	347,584	-0.76(-3.13%)
Dec 30, 2009	23.84	24.36	23.58	24.24	347,681	+0.32(+1.36%)
Dec 29, 2009	23.82	24.26	23.80	23.91	382,089	+0.11(+0.47%)
Dec 28, 2009	23.96	24.09	23.64	23.80	242,444	-0.08(-0.35%)
Dec 24, 2009	23.60	23.90	23.60	23.88	109,691	+0.36(+1.54%)
Dec 23, 2009	23.19	23.59	23.00	23.52	321,627	+0.48(+2.09%)
Dec 22, 2009	22.83	23.15	22.74	23.04	356,437	+0.21(+0.93%)
Dec 21, 2009	22.99	23.37	22.78	22.83	439,205	-0.02(-0.08%)
Dec 18, 2009	22.87	23.21	22.51	22.85	958,641	+0.27(+1.19%)
Dec 17, 2009	22.98	23.15	22.46	22.58	776,298	-0.70(-3.02%)
Dec 16, 2009	22.84	23.64	22.77	23.28	847,172	+0.81(+3.58%)
Dec 15, 2009	22.61	22.94	22.37	22.48	404,299	-0.31(-1.34%)
Dec 14, 2009	22.83	23.15	22.68	22.78	611,871	+0.44(+1.99%)
Dec 11, 2009	22.33	22.92	21.99	22.34	681,434	+0.02(+0.08%)
Dec 10, 2009	22.69	22.69	22.11	22.32	485,895	-0.30(-1.31%)
Dec 09, 2009	22.02	22.69	21.69	22.62	652,261	+0.56(+2.52%)
Dec 08, 2009	22.03	22.40	21.72	22.06	535,226	-0.19(-0.83%)
Dec 07, 2009	21.85	22.44	21.84	22.25	290,446	+0.33(+1.52%)
Dec 04, 2009	22.16	22.69	21.42	21.91	568,044	+0.22(+1.02%)
Dec 03, 2009	22.18	22.33	21.63	21.69	483,105	-0.42(-1.89%)
Dec 02, 2009	21.22	22.17	21.20	22.11	511,781	+0.90(+4.24%)