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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
May 31, 2006	14.18	14.45	14.10	14.20	684,100	+0.04(+0.28%)
May 30, 2006	14.78	14.78	14.03	14.16	831,500	-0.62(-4.19%)
May 26, 2006	14.32	14.88	14.11	14.78	1,387,500	+0.74(+5.27%)
May 25, 2006	13.72	14.14	13.72	14.04	482,800	+0.42(+3.08%)
May 24, 2006	14.35	14.35	13.35	13.62	1,545,600	-0.83(-5.74%)
May 23, 2006	14.45	14.80	14.29	14.45	866,300	+0.32(+2.26%)
May 22, 2006	14.96	14.96	13.91	14.13	1,494,300	-0.88(-5.86%)
May 19, 2006	14.94	15.15	14.70	15.01	988,700	+0.07(+0.47%)
May 18, 2006	15.20	15.44	14.89	14.94	738,500	-0.30(-1.97%)
May 17, 2006	15.88	15.88	14.97	15.24	1,652,300	-0.67(-4.21%)
May 16, 2006	16.25	16.34	15.57	15.91	1,339,200	-0.31(-1.91%)
May 15, 2006	16.87	17.02	15.74	16.22	1,668,600	-0.94(-5.48%)
May 12, 2006	17.55	17.59	16.94	17.16	1,751,500	-0.33(-1.89%)
May 11, 2006	17.23	18.20	17.23	17.49	1,901,500	+0.23(+1.33%)
May 10, 2006	16.80	17.72	16.75	17.26	1,831,100	+0.23(+1.35%)
May 09, 2006	16.85	17.15	16.68	17.03	692,100	+0.18(+1.07%)
May 08, 2006	16.75	17.45	16.69	16.85	848,200	+0.13(+0.78%)
May 05, 2006	16.81	16.97	16.56	16.72	379,600	-0.06(-0.36%)
May 04, 2006	16.56	17.14	16.56	16.78	954,200	+0.18(+1.08%)
May 03, 2006	16.66	16.97	16.30	16.60	801,900	-0.02(-0.12%)
May 02, 2006	16.01	16.74	15.70	16.62	1,044,300	+0.55(+3.42%)