Attached files
| file | filename |
|---|---|
| EX-24 - EX-24 - Koppers Holdings Inc. | d836465dex24.htm |
| EX-21 - EX-21 - Koppers Holdings Inc. | d836465dex21.htm |
| EX-31.2 - EX-31.2 - Koppers Holdings Inc. | d836465dex312.htm |
| EX-23.1 - EX-23.1 - Koppers Holdings Inc. | d836465dex231.htm |
| EX-31.1 - EX-31.1 - Koppers Holdings Inc. | d836465dex311.htm |
| EX-10.99 - EX-10.99 - Koppers Holdings Inc. | d836465dex1099.htm |
| EX-10.96 - EX-10.96 - Koppers Holdings Inc. | d836465dex1096.htm |
| EX-10.98 - EX-10.98 - Koppers Holdings Inc. | d836465dex1098.htm |
| EX-10.97 - EX-10.97 - Koppers Holdings Inc. | d836465dex1097.htm |
| EX-10.102 - EX-10.102 - Koppers Holdings Inc. | d836465dex10102.htm |
| EX-10.101 - EX-10.101 - Koppers Holdings Inc. | d836465dex10101.htm |
| EX-10.100 - EX-10.100 - Koppers Holdings Inc. | d836465dex10100.htm |
| EXCEL - IDEA: XBRL DOCUMENT - Koppers Holdings Inc. | Financial_Report.xls |
| 10-K - FORM 10-K - Koppers Holdings Inc. | d836465d10k.htm |
| EX-12.1 - EX-12.1 - Koppers Holdings Inc. | d836465dex121.htm |
Koppers Holdings Inc. 2014 Annual Report
Exhibit 32.1
CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
In connection with the Annual Report of Koppers Holdings Inc. (the “Company”) on Form 10-K for the year ended December 31, 2014, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), each of the undersigned hereby certifies in his capacity as an officer of Koppers Holdings Inc., pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:
| (1) | The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and |
| (2) | The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. |
A signed original of this written statement required by Section 906, or other document authenticating, acknowledging, or otherwise adopting the signature that appears in typed form within the electronic version of this written statement required by Section 906, has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.
| /S/ LEROY M. BALL, JR. | /S/ MICHAEL J. ZUGAY | |
| Leroy M. Ball, Jr. | Michael J. Zugay | |
| President and Chief Executive Officer | Chief Financial Officer | |
| March 2, 2015 | March 2, 2015 | |
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