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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Dec 30, 2011	41.85	42.67	41.59	42.53	697,148	+0.94(+2.25%)
Dec 29, 2011	41.42	41.71	41.20	41.59	376,964	+0.47(+1.15%)
Dec 28, 2011	41.81	41.91	40.67	41.12	451,143	-0.60(-1.44%)
Dec 27, 2011	41.76	42.02	41.38	41.72	380,166	-0.12(-0.29%)
Dec 23, 2011	41.13	41.87	40.99	41.84	476,459	+1.19(+2.92%)
Dec 21, 2011	41.38	41.38	40.23	40.66	552,243	-0.67(-1.61%)
Dec 20, 2011	40.06	41.56	40.02	41.32	1,113,141	+2.15(+5.48%)
Dec 19, 2011	39.72	39.83	38.91	39.17	1,426,575	-0.20(-0.52%)
Dec 16, 2011	38.75	39.40	38.51	39.38	1,313,203	+0.92(+2.38%)
Dec 15, 2011	38.63	38.81	38.05	38.46	1,727,324	+0.50(+1.32%)
Dec 14, 2011	37.99	38.41	37.37	37.96	1,532,120	-0.49(-1.28%)
Dec 13, 2011	39.71	39.98	38.05	38.45	1,232,116	-0.81(-2.05%)
Dec 12, 2011	39.04	39.28	38.64	39.26	905,427	-0.45(-1.14%)
Dec 09, 2011	38.70	39.78	38.29	39.71	703,085	+0.94(+2.41%)
Dec 08, 2011	39.22	39.47	38.69	38.78	908,356	-0.86(-2.17%)
Dec 07, 2011	39.11	39.95	38.56	39.64	438,366	+0.19(+0.47%)
Dec 06, 2011	39.29	39.74	38.84	39.45	377,927	+0.31(+0.78%)
Dec 05, 2011	39.63	39.90	38.73	39.15	598,878	+0.21(+0.55%)
Dec 02, 2011	39.01	39.29	38.55	38.93	649,834	+0.56(+1.45%)