Koppers Holdings Inc (NY: KOP )

Date	Open	High	Low	Close	Volume	Change (%)
Sep 30, 2010	23.65	23.93	23.10	23.65	1,000	+0.04(+0.16%)
Sep 29, 2010	23.22	23.68	23.22	23.61	103,900	+0.23(+0.98%)
Sep 28, 2010	23.09	23.52	22.54	23.38	218	+0.42(+1.84%)
Sep 27, 2010	23.37	23.49	22.76	22.96	80,284	-0.33(-1.44%)
Sep 24, 2010	22.57	23.34	22.57	23.29	189,819	+1.13(+5.08%)
Sep 23, 2010	22.52	22.52	21.86	22.17	901	-0.62(-2.70%)
Sep 22, 2010	22.46	22.85	22.24	22.78	137,144	+0.28(+1.25%)
Sep 21, 2010	22.52	23.00	22.40	22.50	103,275	-0.11(-0.51%)
Sep 20, 2010	21.81	23.01	21.50	22.61	218,238	+0.91(+4.17%)
Sep 17, 2010	21.71	22.20	21.59	21.71	192,194	+0.17(+0.78%)
Sep 15, 2010	21.23	21.68	21.16	21.54	72,825	+0.16(+0.74%)
Sep 14, 2010	21.25	21.69	21.03	21.38	128,999	+0.09(+0.41%)
Sep 13, 2010	21.11	21.53	20.96	21.29	165,380	+0.40(+1.94%)
Sep 10, 2010	20.41	21.09	20.41	20.89	143,695	+0.56(+2.77%)
Sep 09, 2010	20.34	20.38	19.93	20.33	136,252	+0.37(+1.85%)
Sep 08, 2010	20.03	20.26	19.83	19.96	128,326	+0.18(+0.89%)
Sep 07, 2010	19.85	19.85	19.04	19.78	735	-0.13(-0.66%)
Sep 03, 2010	19.20	19.96	19.18	19.91	190,995	+1.00(+5.30%)
Sep 02, 2010	18.53	19.02	18.48	18.91	636	+0.21(+1.13%)
Sep 01, 2010	17.97	18.95	17.83	18.70	247,589	+1.10(+6.25%)
Aug 31, 2010	17.60	18.04	17.40	17.60	2,974	-0.18(-1.02%)
Aug 30, 2010	18.40	18.53	17.62	17.78	158,201	-0.69(-3.74%)
Aug 27, 2010	18.47	18.60	17.95	18.47	216,589	+0.40(+2.19%)
Aug 26, 2010	18.46	18.53	18.05	18.07	154,268	-0.35(-1.91%)
Aug 25, 2010	18.34	18.50	17.96	18.43	510	-0.02(-0.10%)
Aug 24, 2010	18.99	19.00	18.42	18.44	2,071	-0.79(-4.12%)
Aug 23, 2010	20.23	20.34	19.17	19.24	232,102	-0.78(-3.91%)
Aug 20, 2010	20.33	20.34	19.61	20.02	205,431	-0.52(-2.53%)
Aug 19, 2010	21.14	21.14	20.47	20.54	1,780	-0.74(-3.47%)
Aug 18, 2010	21.36	21.37	20.83	21.28	8,005	-0.07(-0.33%)
Aug 17, 2010	21.00	21.67	20.92	21.35	1,229	+0.66(+3.19%)
Aug 16, 2010	19.97	20.78	19.90	20.69	179,635	+0.67(+3.34%)
Aug 13, 2010	20.02	20.35	19.86	20.02	132,911	-0.16(-0.79%)
Aug 12, 2010	19.97	20.30	19.68	20.18	166,076	+0.02(+0.09%)
Aug 11, 2010	20.46	20.66	20.05	20.16	2,253	-0.87(-4.14%)
Aug 10, 2010	20.94	21.23	20.53	21.03	193,732	-0.21(-0.98%)
Aug 09, 2010	20.68	21.45	20.66	21.24	119,498	+0.75(+3.66%)
Aug 06, 2010	20.49	21.06	19.99	20.49	159,198	-0.44(-2.12%)
Aug 05, 2010	21.95	23.45	20.67	20.94	384,228	-1.30(-5.84%)
Aug 04, 2010	21.58	22.38	21.34	22.23	147,877	+0.76(+3.53%)
Aug 03, 2010	21.92	22.24	21.41	21.48	155,359	-0.61(-2.76%)
Aug 02, 2010	22.20	22.90	22.01	22.09	124,300	+0.44(+2.01%)
Jul 30, 2010	21.65	22.38	21.59	21.65	119,496	-0.48(-2.17%)
Jul 29, 2010	21.44	22.50	21.40	22.13	187,779	+0.80(+3.76%)
Jul 28, 2010	21.33	22.33	21.11	21.33	835	-0.86(-3.89%)
Jul 27, 2010	22.16	22.53	21.94	22.19	126,261	+0.27(+1.23%)
Jul 26, 2010	21.60	22.07	21.34	21.92	164,742	+0.49(+2.28%)
Jul 23, 2010	20.47	21.50	20.47	21.43	154,618	+0.78(+3.80%)
Jul 22, 2010	19.77	20.68	19.77	20.65	196,771	+0.99(+5.05%)
Jul 21, 2010	19.94	20.17	19.62	19.65	284,990	-0.22(-1.10%)
Jul 20, 2010	19.31	19.90	18.90	19.87	170,412	+0.24(+1.20%)
Jul 19, 2010	19.71	20.07	19.14	19.64	124,058	+0.00(+0.00%)
Jul 16, 2010	19.64	20.28	19.51	19.64	389,579	-0.83(-4.05%)
Jul 15, 2010	21.33	21.41	20.10	20.46	210,424	-0.91(-4.24%)
Jul 14, 2010	21.56	21.77	21.24	21.37	212,764	-0.24(-1.09%)
Jul 13, 2010	21.61	21.71	20.44	21.61	2,042	+0.76(+3.66%)
Jul 12, 2010	21.00	21.12	20.07	20.84	225,469	-0.19(-0.89%)
Jul 09, 2010	21.03	21.06	20.15	21.03	168,783	+0.76(+3.74%)
Jul 08, 2010	20.27	20.32	18.97	20.27	620	+1.46(+7.74%)
Jul 07, 2010	18.59	19.08	18.37	18.82	343,109	+0.25(+1.36%)
Jul 06, 2010	18.56	20.15	18.49	18.56	1,044	-0.88(-4.53%)
Jul 02, 2010	19.44	20.19	19.37	19.44	175,101	-0.58(-2.87%)

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