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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2007	27.35	27.72	26.76	27.07	752,600	-0.11(-0.40%)
May 30, 2007	26.40	27.27	26.10	27.18	420,800	+0.56(+2.10%)
May 29, 2007	26.48	26.75	26.23	26.62	453,700	+0.29(+1.10%)
May 25, 2007	25.73	26.44	25.61	26.33	347,700	+0.75(+2.93%)
May 24, 2007	26.40	26.72	25.49	25.58	576,200	-0.93(-3.51%)
May 23, 2007	26.85	27.21	26.36	26.51	347,900	-0.34(-1.27%)
May 22, 2007	26.93	27.08	26.73	26.85	310,200	-0.18(-0.67%)
May 21, 2007	25.94	27.34	25.71	27.03	1,210,242	+1.02(+3.92%)
May 18, 2007	26.11	26.32	25.70	26.01	529,600	-0.10(-0.38%)
May 17, 2007	26.17	26.33	25.63	26.11	606,000	-0.03(-0.11%)
May 16, 2007	26.09	26.41	25.30	26.14	589,700	+0.12(+0.46%)
May 15, 2007	26.75	26.86	25.80	26.02	641,460	-0.66(-2.47%)
May 14, 2007	27.28	27.39	26.12	26.68	960,900	-0.56(-2.06%)
May 11, 2007	27.19	27.65	27.04	27.24	213,900	+0.24(+0.89%)
May 10, 2007	27.47	27.47	26.62	27.00	635,000	-0.47(-1.71%)
May 09, 2007	27.21	27.90	27.05	27.47	532,500	+0.19(+0.70%)
May 08, 2007	27.34	27.48	26.94	27.28	488,215	-0.25(-0.91%)
May 07, 2007	27.16	27.80	27.14	27.53	317,200	+0.25(+0.92%)
May 04, 2007	27.66	27.66	26.98	27.28	897,400	-0.38(-1.37%)
May 03, 2007	28.43	28.55	27.43	27.66	1,122,750	-0.77(-2.71%)
May 02, 2007	27.14	28.52	26.90	28.43	1,230,080	+1.29(+4.75%)