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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Jul 31, 2006	9.120	9.230	9.010	9.160	414,500	+0.10(+1.10%)
Jul 28, 2006	8.550	9.100	8.550	9.060	619,200	+0.21(+2.37%)
Jul 27, 2006	9.190	9.250	8.750	8.850	633,900	-0.14(-1.56%)
Jul 26, 2006	9.380	9.450	8.890	8.990	1,344,000	-0.35(-3.75%)
Jul 25, 2006	9.900	9.910	9.260	9.340	1,277,700	-0.61(-6.13%)
Jul 24, 2006	9.990	10.20	9.620	9.950	1,060,700	+0.01(+0.10%)
Jul 21, 2006	10.43	10.43	9.880	9.940	822,600	-0.49(-4.70%)
Jul 20, 2006	10.64	11.00	10.41	10.43	762,900	-0.22(-2.07%)
Jul 19, 2006	10.08	10.70	10.08	10.65	606,400	+0.62(+6.18%)
Jul 18, 2006	9.860	10.10	9.770	10.03	514,300	+0.18(+1.83%)
Jul 17, 2006	10.00	10.20	9.830	9.850	386,400	-0.19(-1.89%)
Jul 14, 2006	9.850	10.08	9.810	10.04	597,700	+0.14(+1.41%)
Jul 13, 2006	10.15	10.30	9.870	9.900	999,800	-0.51(-4.90%)
Jul 12, 2006	10.72	10.82	10.30	10.41	573,600	-0.34(-3.16%)
Jul 11, 2006	10.81	10.91	10.55	10.75	831,800	-0.11(-1.01%)
Jul 10, 2006	11.12	11.36	10.77	10.86	671,200	-0.27(-2.43%)
Jul 07, 2006	11.41	11.41	11.06	11.13	343,300	-0.33(-2.88%)
Jul 06, 2006	11.44	11.81	11.33	11.46	401,300	+0.07(+0.61%)
Jul 05, 2006	11.82	11.82	11.29	11.39	615,400	-0.51(-4.29%)
Jul 03, 2006	11.73	11.90	11.66	11.90	197,900	+0.20(+1.71%)
Jun 30, 2006	11.82	11.99	11.56	11.70	723,100	-0.07(-0.59%)
Jun 29, 2006	11.08	11.95	10.81	11.77	899,300	+0.79(+7.19%)
Jun 28, 2006	10.97	11.16	10.80	10.98	294,600	+0.07(+0.64%)
Jun 27, 2006	11.46	11.58	10.83	10.91	396,200	-0.50(-4.38%)
Jun 26, 2006	11.29	11.50	11.23	11.41	329,300	+0.19(+1.69%)
Jun 23, 2006	11.17	11.36	11.06	11.22	339,700	+0.01(+0.09%)
Jun 22, 2006	11.28	11.39	11.10	11.21	444,100	-0.06(-0.53%)
Jun 21, 2006	10.82	11.43	10.74	11.27	605,100	+0.50(+4.64%)
Jun 20, 2006	10.85	11.00	10.64	10.77	895,500	-0.13(-1.19%)
Jun 19, 2006	11.47	11.61	10.85	10.90	752,300	-0.49(-4.30%)
Jun 16, 2006	11.67	11.90	11.34	11.39	1,622,400	-0.46(-3.88%)
Jun 15, 2006	11.15	11.96	11.11	11.85	1,268,100	+0.86(+7.83%)
Jun 14, 2006	10.55	11.35	10.49	10.99	776,000	+0.30(+2.81%)
Jun 13, 2006	11.00	11.33	10.54	10.69	1,973,800	-0.60(-5.31%)
Jun 12, 2006	11.75	12.10	11.28	11.29	1,257,100	-0.49(-4.16%)
Jun 09, 2006	12.37	12.42	11.75	11.78	1,479,700	-0.34(-2.81%)
Jun 08, 2006	12.51	12.55	11.52	12.12	3,070,500	-0.68(-5.31%)
Jun 07, 2006	13.51	13.56	12.78	12.80	1,176,800	-0.73(-5.40%)
Jun 06, 2006	13.95	14.00	13.26	13.53	1,055,100	-0.42(-3.01%)
Jun 05, 2006	15.10	15.10	13.87	13.95	1,336,400	-1.16(-7.68%)
Jun 02, 2006	15.29	15.60	15.01	15.11	745,800	-0.02(-0.13%)
Jun 01, 2006	14.26	15.40	14.26	15.13	1,316,400	+0.93(+6.55%)
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%)