Koppers Holdings Inc (NY: KOP )

Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2007	25.38	25.38	24.63	24.90	511,945	-0.39(-1.53%)
Apr 27, 2007	24.77	25.62	24.69	25.28	971,232	+0.66(+2.69%)
Apr 26, 2007	24.52	24.86	24.31	24.62	630,981	+0.34(+1.38%)
Apr 25, 2007	23.66	24.52	23.35	24.28	1,365,072	+1.34(+5.85%)
Apr 24, 2007	22.99	23.08	22.45	22.94	410,114	+0.03(+0.15%)
Apr 23, 2007	22.75	23.22	22.65	22.91	300,378	+0.14(+0.60%)
Apr 20, 2007	22.67	22.87	22.53	22.77	124,964	+0.43(+1.93%)
Apr 19, 2007	22.62	22.67	21.94	22.34	205,638	-0.28(-1.25%)
Apr 18, 2007	22.37	22.76	22.06	22.62	120,197	+0.00(+0.00%)
Apr 17, 2007	22.83	22.96	22.53	22.62	138,797	-0.17(-0.75%)
Apr 16, 2007	22.94	23.14	22.76	22.80	287,126	+0.00(+0.00%)
Apr 13, 2007	22.77	23.12	22.58	22.80	185,295	+0.09(+0.38%)
Apr 12, 2007	22.23	23.23	22.23	22.71	336,879	+0.51(+2.29%)
Apr 11, 2007	22.86	22.86	22.06	22.20	113,455	-0.59(-2.60%)
Apr 10, 2007	22.79	22.90	22.75	22.80	33,246	+0.06(+0.27%)
Apr 09, 2007	22.97	23.23	22.73	22.74	152,979	-0.38(-1.64%)
Apr 05, 2007	23.01	23.23	22.93	23.11	163,325	+0.15(+0.64%)
Apr 04, 2007	22.90	23.05	22.78	22.97	51,380	-0.02(-0.07%)
Apr 03, 2007	22.38	23.18	22.19	22.99	96,135	+0.75(+3.37%)

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