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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Jan 31, 2012	49.16	51.20	48.67	49.58	2,385,108	+0.65(+1.32%)
Jan 30, 2012	48.17	49.08	48.07	48.94	1,333,315	+0.11(+0.23%)
Jan 27, 2012	47.97	49.38	47.81	48.82	907,800	+0.80(+1.66%)
Jan 26, 2012	47.47	48.47	47.47	48.03	896,240	+0.37(+0.78%)
Jan 25, 2012	46.59	47.79	46.38	47.66	1,258,313	+1.11(+2.39%)
Jan 24, 2012	45.81	46.65	45.38	46.55	747,389	+0.29(+0.62%)
Jan 23, 2012	46.59	46.77	46.17	46.26	783,266	-0.10(-0.22%)
Jan 20, 2012	46.07	46.52	45.95	46.36	977,634	+0.21(+0.46%)
Jan 19, 2012	45.80	46.32	45.52	46.15	610,638	+0.68(+1.49%)
Jan 18, 2012	44.60	45.55	44.51	45.47	576,763	+0.79(+1.76%)
Jan 17, 2012	44.32	44.78	44.18	44.68	587,593	+0.69(+1.56%)
Jan 13, 2012	43.30	44.05	42.96	44.00	648,908	+0.39(+0.89%)
Jan 12, 2012	43.47	43.83	43.00	43.61	816,968	+0.45(+1.05%)
Jan 11, 2012	43.17	43.55	43.06	43.16	579,141	-0.13(-0.30%)
Jan 10, 2012	43.75	44.02	43.05	43.29	689,031	+0.37(+0.86%)
Jan 09, 2012	43.03	43.03	42.38	42.92	569,736	+0.17(+0.39%)
Jan 06, 2012	43.08	43.13	42.71	42.75	557,743	-0.36(-0.84%)
Jan 05, 2012	42.58	43.34	42.04	43.11	710,678	+0.07(+0.17%)