Koppers Holdings Inc (NY: KOP )

Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2010	25.17	25.26	24.42	24.43	87,470	-0.80(-3.16%)
Apr 29, 2010	25.08	25.28	24.74	25.23	101,895	+0.30(+1.22%)
Apr 28, 2010	25.29	25.55	24.87	24.93	69,216	-0.23(-0.93%)
Apr 27, 2010	25.11	25.45	24.81	25.16	183,774	-0.08(-0.31%)
Apr 26, 2010	25.69	25.91	25.23	25.24	82,246	-0.41(-1.59%)
Apr 23, 2010	24.60	25.73	24.47	25.65	173,280	+1.03(+4.19%)
Apr 22, 2010	24.37	24.72	24.21	24.61	125,560	-0.03(-0.11%)
Apr 21, 2010	24.85	24.87	24.42	24.64	122,173	-0.25(-1.01%)
Apr 20, 2010	24.28	24.94	24.08	24.89	239,148	+0.69(+2.83%)
Apr 19, 2010	24.61	24.76	23.85	24.21	72,341	-0.59(-2.38%)
Apr 16, 2010	24.38	24.93	23.75	24.80	372,291	+0.40(+1.64%)
Apr 15, 2010	24.20	24.50	24.17	24.40	79,079	+0.12(+0.50%)
Apr 14, 2010	23.91	24.38	23.76	24.28	127,276	+0.59(+2.49%)
Apr 13, 2010	23.34	23.99	23.22	23.69	361,711	+0.36(+1.52%)
Apr 12, 2010	23.50	23.50	22.83	23.33	302,776	-0.23(-0.99%)
Apr 09, 2010	23.76	23.86	23.31	23.56	107,971	-0.17(-0.73%)
Apr 08, 2010	23.36	23.99	23.12	23.74	289,973	+0.30(+1.30%)
Apr 07, 2010	24.49	24.49	23.36	23.43	312,190	-1.16(-4.72%)
Apr 06, 2010	24.88	24.92	24.52	24.60	128,364	-0.29(-1.15%)
Apr 05, 2010	25.00	25.13	24.80	24.88	208,373	-0.08(-0.31%)
Apr 01, 2010	24.70	24.96	24.96	24.96	96,853	+0.40(+1.62%)
Mar 31, 2010	25.19	25.45	24.54	24.56	151,545	-0.68(-2.68%)
Mar 30, 2010	25.16	25.57	25.09	25.24	130,024	+0.04(+0.17%)
Mar 29, 2010	25.33	25.39	25.12	25.19	281,612	-0.13(-0.51%)
Mar 26, 2010	24.88	25.44	24.84	25.32	313,065	+0.49(+1.96%)
Mar 25, 2010	24.97	25.58	24.71	24.84	203,553	+0.01(+0.04%)
Mar 24, 2010	24.42	24.88	23.79	24.83	234,769	+0.29(+1.17%)
Mar 23, 2010	24.43	24.57	24.03	24.54	99,050	+0.20(+0.82%)
Mar 22, 2010	24.18	24.65	24.01	24.34	73,460	-0.08(-0.32%)
Mar 19, 2010	25.19	25.30	24.14	24.42	212,307	-0.75(-2.96%)
Mar 18, 2010	25.20	25.31	24.87	25.17	175,827	-0.19(-0.75%)
Mar 17, 2010	25.54	26.01	25.35	25.36	102,862	-0.11(-0.44%)
Mar 16, 2010	25.52	25.63	25.25	25.47	111,513	+0.00(+0.00%)
Mar 15, 2010	25.41	25.58	25.28	25.47	105,334	+0.03(+0.14%)
Mar 12, 2010	25.59	25.61	25.04	25.44	61,237	-0.02(-0.07%)
Mar 11, 2010	25.29	25.48	25.02	25.46	57,918	-0.07(-0.27%)
Mar 10, 2010	25.63	25.91	25.19	25.52	87,687	-0.16(-0.64%)
Mar 09, 2010	25.77	26.00	25.49	25.69	81,092	-0.12(-0.47%)
Mar 08, 2010	25.88	26.01	25.71	25.81	69,459	+0.02(+0.07%)
Mar 05, 2010	25.25	25.89	25.25	25.79	173,839	+0.82(+3.26%)
Mar 04, 2010	25.07	25.13	24.76	24.98	60,443	-0.10(-0.38%)
Mar 03, 2010	25.24	25.55	24.87	25.07	71,793	-0.03(-0.14%)
Mar 02, 2010	24.67	25.37	24.34	25.11	126,608	+0.55(+2.26%)
Mar 01, 2010	24.34	24.76	24.30	24.55	104,785	+0.44(+1.83%)
Feb 26, 2010	24.37	24.58	23.90	24.11	99,073	-0.23(-0.96%)
Feb 25, 2010	23.92	24.43	23.62	24.34	237,484	+0.00(+0.00%)
Feb 24, 2010	24.24	24.58	24.07	24.34	123,026	+0.15(+0.61%)
Feb 23, 2010	24.25	24.63	24.07	24.20	350,211	-0.17(-0.71%)
Feb 22, 2010	24.87	24.87	24.24	24.37	158,164	-0.47(-1.89%)
Feb 19, 2010	23.96	25.01	23.85	24.84	235,478	+0.82(+3.39%)
Feb 18, 2010	23.89	24.18	23.23	24.02	281,880	-0.08(-0.32%)
Feb 17, 2010	23.24	24.39	22.19	24.10	396,146	-0.12(-0.50%)
Feb 16, 2010	24.19	24.28	23.96	24.22	140,081	+0.30(+1.27%)
Feb 12, 2010	23.19	23.92	23.92	23.92	136,862	+0.35(+1.47%)
Feb 11, 2010	23.34	23.64	23.18	23.57	147,089	+0.28(+1.19%)
Feb 10, 2010	23.35	23.50	22.94	23.30	60,154	-0.24(-1.02%)
Feb 09, 2010	23.60	23.95	23.26	23.54	100,683	+0.29(+1.26%)
Feb 08, 2010	24.02	24.02	23.23	23.24	117,926	-0.83(-3.47%)
Feb 05, 2010	24.07	24.22	23.19	24.08	135,137	+0.03(+0.11%)
Feb 04, 2010	24.34	24.35	23.81	24.05	189,817	-0.54(-2.20%)
Feb 03, 2010	24.66	24.85	24.04	24.59	119,434	-0.24(-0.97%)
Feb 02, 2010	24.78	25.03	24.50	24.84	178,616	+0.15(+0.59%)

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