Koppers Holdings Inc (NY: KOP )

Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2009	16.31	17.24	16.30	16.31	198,431	+0.24(+1.50%)
Apr 29, 2009	15.49	16.29	15.23	16.07	247,136	+0.80(+5.24%)
Apr 28, 2009	15.11	15.67	14.96	15.27	231,013	+0.00(+0.00%)
Apr 27, 2009	15.35	15.65	14.96	15.27	309,578	-0.50(-3.16%)
Apr 24, 2009	15.11	16.06	14.93	15.77	250,916	+0.81(+5.41%)
Apr 23, 2009	15.04	15.17	14.60	14.96	293,939	-0.05(-0.34%)
Apr 22, 2009	14.67	15.65	14.52	15.01	306,652	+0.29(+1.99%)
Apr 21, 2009	13.39	14.74	13.19	14.72	416,023	+1.21(+8.98%)
Apr 20, 2009	14.53	14.74	13.33	13.51	236,576	-1.43(-9.56%)
Apr 17, 2009	14.88	15.54	14.74	14.93	357,436	+0.09(+0.64%)
Apr 16, 2009	14.64	15.30	14.37	14.84	233,667	+0.40(+2.74%)
Apr 15, 2009	13.84	14.65	13.73	14.44	170,649	+0.50(+3.58%)
Apr 14, 2009	13.82	14.19	13.52	13.94	306,672	-0.15(-1.10%)
Apr 13, 2009	14.26	14.45	13.63	14.10	339,212	-0.37(-2.56%)
Apr 09, 2009	13.90	14.62	13.90	14.47	321,587	+1.26(+9.58%)
Apr 08, 2009	13.05	13.32	12.80	13.20	266,202	+0.22(+1.72%)
Apr 07, 2009	13.25	13.52	12.97	12.98	269,818	-0.57(-4.19%)
Apr 06, 2009	13.79	13.88	12.91	13.55	310,222	-0.45(-3.20%)
Apr 03, 2009	14.39	14.61	13.78	14.00	372,349	-0.48(-3.33%)
Apr 02, 2009	13.67	14.84	13.27	14.48	463,016	+1.26(+9.57%)
Apr 01, 2009	12.25	13.30	12.06	13.21	249,742	+0.72(+5.79%)
Mar 31, 2009	12.69	12.90	12.31	12.49	312,458	+0.03(+0.28%)
Mar 30, 2009	13.15	13.23	12.08	12.46	379,009	-1.38(-10.01%)
Mar 26, 2009	12.94	13.85	12.94	13.84	287,868	+0.92(+7.12%)
Mar 25, 2009	12.46	13.19	12.26	12.92	655,560	+0.54(+4.38%)
Mar 24, 2009	11.76	12.71	11.46	12.38	435,423	+0.34(+2.86%)
Mar 23, 2009	11.33	12.04	11.30	12.03	370,804	+1.40(+13.19%)
Mar 20, 2009	10.93	11.18	10.33	10.63	495,971	-0.41(-3.74%)
Mar 19, 2009	11.18	11.29	10.79	11.05	458,369	-0.04(-0.39%)
Mar 18, 2009	10.73	11.23	10.32	11.09	406,942	+0.43(+4.04%)
Mar 17, 2009	11.02	11.03	10.43	10.66	555,256	-0.34(-3.13%)
Mar 16, 2009	10.97	11.43	10.69	11.00	439,986	+0.34(+3.23%)
Mar 13, 2009	10.66	10.92	10.32	10.66	0	+0.03(+0.32%)
Mar 12, 2009	9.394	10.70	9.101	10.62	578,002	+1.32(+14.14%)
Mar 11, 2009	8.534	9.497	8.353	9.308	914,734	+0.88(+10.41%)
Mar 10, 2009	8.181	8.594	8.112	8.430	656,894	+0.34(+4.14%)
Mar 09, 2009	8.456	8.792	7.992	8.095	348,568	-0.63(-7.20%)
Mar 06, 2009	8.981	9.130	8.336	8.723	0	-0.34(-3.80%)
Mar 05, 2009	10.38	10.38	9.041	9.067	253,880	-0.88(-8.82%)
Mar 04, 2009	9.592	10.17	8.990	9.944	455,740	+0.15(+1.58%)
Mar 02, 2009	10.94	11.12	9.678	9.790	672,449	-1.70(-14.82%)
Feb 27, 2009	11.54	11.84	11.13	11.49	0	-0.22(-1.91%)
Feb 26, 2009	12.19	12.55	11.51	11.72	378,186	-0.34(-2.85%)
Feb 25, 2009	12.59	12.78	11.94	12.06	409,548	-0.60(-4.75%)
Feb 24, 2009	12.12	12.78	11.65	12.66	524,946	+0.80(+6.74%)
Feb 23, 2009	13.27	13.30	11.79	11.86	433,843	-1.26(-9.63%)
Feb 20, 2009	13.04	13.45	12.48	13.13	467,860	-0.31(-2.30%)
Feb 19, 2009	14.15	14.40	13.36	13.44	329,529	-0.41(-2.98%)
Feb 18, 2009	13.87	14.43	13.60	13.85	484,720	-0.02(-0.12%)
Feb 17, 2009	15.05	15.27	13.40	13.87	666,730	-0.77(-5.23%)
Feb 13, 2009	14.68	15.30	14.52	14.63	227,017	-0.08(-0.53%)
Feb 12, 2009	14.99	14.99	14.10	14.71	317,951	-0.65(-4.20%)
Feb 11, 2009	15.54	15.96	14.87	15.36	282,157	-0.12(-0.78%)
Feb 10, 2009	16.25	16.93	15.30	15.48	424,508	-0.86(-5.27%)
Feb 09, 2009	15.77	16.66	15.56	16.34	447,967	+0.40(+2.54%)
Feb 06, 2009	15.26	16.14	15.02	15.93	396,742	+0.97(+6.50%)
Feb 05, 2009	14.12	15.17	14.08	14.96	296,815	+0.77(+5.46%)
Feb 04, 2009	14.31	14.90	14.05	14.19	339,964	-0.17(-1.20%)
Feb 03, 2009	14.35	14.74	14.02	14.36	386,399	+0.22(+1.58%)

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