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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Jan 31, 2007	21.57	21.79	21.37	21.70	515,200	+0.14(+0.65%)
Jan 30, 2007	21.48	21.68	21.40	21.56	265,600	-0.01(-0.05%)
Jan 29, 2007	21.70	21.75	21.13	21.57	441,800	-0.22(-1.01%)
Jan 26, 2007	21.25	21.91	21.21	21.79	640,700	+0.29(+1.35%)
Jan 25, 2007	21.40	21.59	21.12	21.50	666,300	+0.23(+1.08%)
Jan 24, 2007	21.10	21.28	20.66	21.27	859,600	+0.17(+0.81%)
Jan 23, 2007	21.45	21.48	21.05	21.10	578,500	-0.04(-0.19%)
Jan 22, 2007	21.08	21.25	20.78	21.14	947,600	+0.02(+0.09%)
Jan 19, 2007	20.83	21.33	20.69	21.12	717,200	+0.30(+1.44%)
Jan 18, 2007	20.42	20.98	20.25	20.82	923,500	+0.37(+1.81%)
Jan 17, 2007	19.75	20.52	19.60	20.45	459,000	+0.40(+2.00%)
Jan 16, 2007	20.05	20.31	19.95	20.05	375,500	+0.05(+0.25%)
Jan 12, 2007	20.24	20.45	19.90	20.00	455,800	-0.31(-1.53%)
Jan 11, 2007	20.05	20.65	19.95	20.31	586,800	+0.33(+1.65%)
Jan 10, 2007	19.61	20.10	19.61	19.98	316,400	+0.16(+0.81%)
Jan 09, 2007	19.87	19.99	19.70	19.82	418,500	-0.01(-0.05%)
Jan 08, 2007	20.00	20.16	19.67	19.83	556,800	-0.17(-0.85%)
Jan 05, 2007	20.05	20.06	19.86	20.00	583,200	-0.14(-0.70%)
Jan 04, 2007	20.03	20.27	19.75	20.14	650,800	+0.11(+0.55%)