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

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Oct 31, 2006	12.55	12.64	12.24	12.41	305,689	-0.09(-0.74%)
Oct 30, 2006	12.61	12.67	12.33	12.50	422,306	-0.18(-1.39%)
Oct 27, 2006	13.10	13.10	12.56	12.68	396,607	-0.42(-3.18%)
Oct 26, 2006	12.94	13.10	12.80	13.10	634,269	+0.30(+2.32%)
Oct 25, 2006	12.35	12.86	12.35	12.80	537,196	+0.39(+3.13%)
Oct 24, 2006	12.26	12.58	12.18	12.41	502,750	+0.06(+0.52%)
Oct 23, 2006	12.39	12.58	12.30	12.35	220,925	-0.14(-1.11%)
Oct 20, 2006	12.75	12.79	12.37	12.48	414,100	-0.22(-1.75%)
Oct 19, 2006	12.63	12.97	12.55	12.71	751,642	+0.21(+1.70%)
Oct 18, 2006	12.20	12.61	12.18	12.49	1,415,066	+0.42(+3.45%)
Oct 17, 2006	12.24	12.24	11.87	12.08	427,273	-0.28(-2.25%)
Oct 16, 2006	12.04	12.37	12.04	12.35	343,481	+0.32(+2.69%)
Oct 13, 2006	11.77	12.09	11.66	12.03	447,573	+0.31(+2.69%)
Oct 12, 2006	11.54	11.72	11.30	11.72	360,434	+0.22(+1.93%)
Oct 11, 2006	11.76	11.81	11.27	11.49	418,635	-0.27(-2.28%)
Oct 10, 2006	11.78	11.79	11.39	11.76	419,930	+0.05(+0.40%)
Oct 09, 2006	11.63	11.80	11.58	11.72	199,329	+0.02(+0.16%)
Oct 06, 2006	11.60	11.79	11.44	11.70	435,587	+0.10(+0.88%)
Oct 05, 2006	11.26	11.61	11.22	11.59	778,853	+0.31(+2.71%)
Oct 04, 2006	11.53	11.53	11.17	11.29	1,427,376	-0.29(-2.48%)
Oct 03, 2006	11.92	11.93	11.44	11.58	597,988	-0.39(-3.25%)
Oct 02, 2006	12.28	12.36	11.94	11.97	524,994	-0.31(-2.56%)
Sep 29, 2006	12.24	12.49	12.13	12.28	705,211	+0.01(+0.07%)
Sep 28, 2006	12.03	12.36	11.95	12.27	759,201	+0.24(+2.00%)
Sep 27, 2006	11.89	12.09	11.84	12.03	465,282	+0.05(+0.39%)
Sep 26, 2006	12.09	12.22	11.88	11.98	489,361	-0.15(-1.22%)
Sep 25, 2006	12.01	12.26	11.84	12.13	654,785	+0.12(+1.00%)
Sep 22, 2006	11.90	12.18	11.74	12.01	709,315	+0.06(+0.54%)
Sep 21, 2006	12.17	12.32	11.78	11.95	511,497	-0.22(-1.83%)
Sep 20, 2006	11.85	12.41	11.85	12.17	1,005,178	+0.46(+3.96%)
Sep 19, 2006	11.84	11.95	11.36	11.71	898,386	-0.08(-0.71%)
Sep 18, 2006	11.36	11.79	11.17	11.79	712,554	+0.47(+4.17%)
Sep 15, 2006	11.34	11.58	11.18	11.32	822,261	+0.05(+0.41%)
Sep 14, 2006	11.58	11.58	11.20	11.27	582,331	-0.31(-2.64%)
Sep 13, 2006	11.69	11.90	11.36	11.58	626,927	-0.11(-0.95%)
Sep 12, 2006	10.10	12.04	10.10	11.69	3,300,815	+1.56(+15.36%)
Sep 11, 2006	10.19	10.46	9.215	10.13	1,739,652	+0.86(+9.29%)
Sep 08, 2006	9.150	9.354	9.085	9.270	426,301	+0.19(+2.04%)
Sep 07, 2006	9.400	9.437	9.057	9.085	787,060	-0.37(-3.92%)
Sep 06, 2006	9.493	9.659	9.446	9.456	473,056	-0.09(-0.97%)
Sep 05, 2006	9.530	9.659	9.446	9.548	324,693	-0.03(-0.29%)
Sep 01, 2006	9.539	9.585	9.400	9.576	289,276	+0.13(+1.37%)
Aug 31, 2006	9.446	9.678	9.372	9.446	539,032	+0.00(+0.00%)
Aug 30, 2006	8.955	9.483	8.891	9.446	1,114,992	+0.50(+5.59%)
Aug 29, 2006	8.733	8.965	8.520	8.946	568,834	+0.31(+3.65%)
Aug 28, 2006	8.455	8.752	8.363	8.631	312,383	+0.21(+2.53%)
Aug 25, 2006	8.335	8.752	8.335	8.418	357,087	+0.14(+1.68%)
Aug 24, 2006	8.511	8.557	8.196	8.279	342,401	-0.23(-2.72%)
Aug 23, 2006	8.566	8.696	8.400	8.511	284,309	-0.11(-1.29%)
Aug 22, 2006	8.752	8.835	8.557	8.622	348,448	-0.18(-2.00%)
Aug 21, 2006	8.881	8.918	8.668	8.798	365,293	-0.13(-1.45%)
Aug 18, 2006	8.891	8.983	8.631	8.928	477,699	+0.16(+1.80%)
Aug 17, 2006	8.613	9.048	8.520	8.770	904,865	+0.34(+4.07%)
Aug 16, 2006	8.113	8.798	8.113	8.428	965,441	+0.36(+4.48%)
Aug 15, 2006	7.603	8.178	7.529	8.066	758,445	+0.55(+7.27%)
Aug 14, 2006	7.687	7.789	7.483	7.520	346,181	-0.09(-1.22%)
Aug 11, 2006	7.640	7.714	7.390	7.613	481,587	-0.05(-0.60%)
Aug 10, 2006	7.677	7.705	7.353	7.659	1,496,051	-0.11(-1.43%)
Aug 09, 2006	8.140	8.307	7.724	7.770	568,186	-0.31(-3.78%)
Aug 08, 2006	8.279	8.418	7.965	8.076	698,193	-0.20(-2.46%)
Aug 07, 2006	8.196	8.381	8.150	8.279	270,703	+0.04(+0.45%)
Aug 04, 2006	8.502	8.659	8.159	8.242	675,625	-0.19(-2.20%)
Aug 03, 2006	8.335	8.502	8.159	8.428	434,400	+0.01(+0.11%)
Aug 02, 2006	8.326	8.641	8.298	8.418	387,861	+0.10(+1.22%)