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%)
May 01, 2007	26.57	27.23	25.93	27.14	1,115,340	+0.54(+2.03%)
Apr 30, 2007	26.96	27.25	26.18	26.60	1,123,057	-0.68(-2.49%)
Apr 27, 2007	27.88	28.00	27.22	27.28	925,100	-0.76(-2.71%)
Apr 26, 2007	29.25	29.47	27.80	28.04	875,585	-0.89(-3.08%)
Apr 25, 2007	27.91	29.00	27.86	28.93	884,500	+1.10(+3.95%)
Apr 24, 2007	28.06	28.46	27.44	27.83	868,043	-0.19(-0.68%)
Apr 23, 2007	28.25	28.51	27.90	28.02	509,600	-0.38(-1.34%)
Apr 20, 2007	28.69	28.80	27.96	28.40	520,900	+0.40(+1.43%)
Apr 19, 2007	27.60	28.51	27.08	28.00	1,280,302	-0.30(-1.06%)
Apr 18, 2007	28.82	29.08	28.25	28.30	740,676	-0.76(-2.62%)
Apr 17, 2007	29.98	30.00	28.91	29.06	604,300	-0.86(-2.87%)
Apr 16, 2007	29.73	29.99	29.49	29.92	724,408	+0.44(+1.49%)
Apr 13, 2007	29.25	29.74	29.01	29.48	769,600	+0.13(+0.44%)
Apr 12, 2007	28.70	29.35	28.40	29.35	1,038,300	+0.55(+1.91%)
Apr 11, 2007	29.40	29.57	28.72	28.80	771,500	-0.51(-1.74%)
Apr 10, 2007	28.85	29.33	28.71	29.31	765,500	+0.35(+1.21%)
Apr 09, 2007	28.75	29.07	28.68	28.96	728,300	+0.13(+0.45%)
Apr 05, 2007	28.35	29.00	28.05	28.83	496,300	+0.05(+0.17%)
Apr 04, 2007	28.00	29.07	27.85	28.78	1,115,900	+0.88(+3.15%)
Apr 03, 2007	27.23	28.09	27.20	27.90	983,546	+0.83(+3.07%)
Apr 02, 2007	26.53	27.23	26.37	27.07	632,400	+0.65(+2.46%)
Mar 30, 2007	26.82	27.06	26.11	26.42	566,600	-0.33(-1.23%)
Mar 29, 2007	27.06	27.14	26.06	26.75	794,200	-0.08(-0.30%)
Mar 28, 2007	26.53	27.15	26.09	26.83	989,500	+0.30(+1.13%)
Mar 27, 2007	26.00	26.97	25.70	26.53	1,522,700	+0.25(+0.95%)
Mar 26, 2007	24.44	26.44	24.26	26.28	1,780,100	+1.90(+7.79%)
Mar 23, 2007	24.40	24.65	24.21	24.38	304,475	-0.05(-0.20%)
Mar 22, 2007	24.23	24.59	23.92	24.43	538,600	+0.32(+1.33%)
Mar 21, 2007	24.03	24.72	23.23	24.11	1,034,000	+0.87(+3.74%)
Mar 20, 2007	23.07	23.25	22.88	23.24	425,800	+0.20(+0.87%)
Mar 19, 2007	23.13	23.34	22.82	23.04	704,900	+0.11(+0.48%)
Mar 16, 2007	23.40	23.50	22.75	22.93	1,905,600	-0.57(-2.43%)
Mar 15, 2007	23.34	24.03	23.34	23.50	843,800	+0.17(+0.73%)
Mar 14, 2007	23.06	23.56	22.51	23.33	879,700	+0.18(+0.78%)
Mar 13, 2007	24.50	24.73	23.02	23.15	1,178,800	-1.35(-5.51%)
Mar 12, 2007	24.19	24.74	24.00	24.50	694,900	+0.21(+0.86%)
Mar 09, 2007	23.70	24.58	23.50	24.29	618,100	+0.79(+3.36%)
Mar 08, 2007	23.57	23.96	23.37	23.50	588,800	+0.18(+0.77%)
Mar 07, 2007	23.17	23.76	23.03	23.32	578,900	+0.17(+0.73%)
Mar 06, 2007	23.00	23.85	22.80	23.15	1,069,700	+0.49(+2.16%)
Mar 05, 2007	23.38	23.39	22.01	22.66	890,801	-1.02(-4.31%)
Mar 02, 2007	24.57	24.58	23.50	23.68	912,900	-1.10(-4.44%)