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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Jan 31, 2007	19.98	20.18	19.79	20.10	556,308	+0.13(+0.65%)
Jan 30, 2007	19.89	20.08	19.82	19.97	286,792	-0.01(-0.05%)
Jan 29, 2007	20.10	20.14	19.57	19.98	477,051	-0.20(-1.01%)
Jan 26, 2007	19.68	20.29	19.64	20.18	691,822	+0.27(+1.35%)
Jan 25, 2007	19.82	19.99	19.56	19.91	719,465	+0.21(+1.08%)
Jan 24, 2007	19.54	19.71	19.13	19.70	928,188	+0.16(+0.81%)
Jan 23, 2007	19.86	19.89	19.49	19.54	624,659	-0.04(-0.19%)
Jan 22, 2007	19.52	19.68	19.24	19.58	1,023,210	+0.02(+0.10%)
Jan 19, 2007	19.29	19.75	19.16	19.56	774,426	+0.28(+1.44%)
Jan 18, 2007	18.91	19.43	18.75	19.28	997,187	+0.34(+1.81%)
Jan 17, 2007	18.29	19.00	18.15	18.94	495,624	+0.37(+1.99%)
Jan 16, 2007	18.57	18.81	18.48	18.57	405,461	+0.05(+0.25%)
Jan 12, 2007	18.74	18.94	18.43	18.52	492,169	-0.29(-1.53%)
Jan 11, 2007	18.57	19.12	18.48	18.81	633,621	+0.31(+1.65%)
Jan 10, 2007	18.16	18.61	18.16	18.50	341,646	+0.15(+0.81%)
Jan 09, 2007	18.40	18.51	18.24	18.36	451,892	-0.01(-0.05%)
Jan 08, 2007	18.52	18.67	18.22	18.36	601,228	-0.16(-0.85%)
Jan 05, 2007	18.57	18.58	18.39	18.52	629,734	-0.13(-0.69%)
Jan 04, 2007	18.55	18.77	18.29	18.65	702,728	+0.10(+0.55%)