Attached files
file | filename |
---|---|
EX-21 - LIST OF SUBSIDIARIES OF THE COMPANY - Koppers Holdings Inc. | d272249dex21.htm |
EX-32.1 - SECTION 906 CEO AND CFO CERTIFICATION - Koppers Holdings Inc. | d272249dex321.htm |
EX-31.1 - SECTION 302 CEO CERTIFICATION - Koppers Holdings Inc. | d272249dex311.htm |
EX-31.2 - SECTION 302 CFO CERTIFICATION - Koppers Holdings Inc. | d272249dex312.htm |
EX-12.1 - COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES - Koppers Holdings Inc. | d272249dex121.htm |
EX-10.64 - NOTICE OF GRANT OF STOCK OPTION - Koppers Holdings Inc. | d272249dex1064.htm |
EX-10.63 - RESTRICTED STOCK UNIT ISSUANCE AGREEMENT - PERFORMANCE VESTING - Koppers Holdings Inc. | d272249dex1063.htm |
EX-10.62 - RESTRICTED STOCK UNIT ISSUANCE AGREEMENT - TIME VESTING - Koppers Holdings Inc. | d272249dex1062.htm |
EX-10.69 - SECOND AMENDMENT TO THE CREDIT AGREEMENT - Koppers Holdings Inc. | d272249dex1069.htm |
10-K - FORM 10-K - Koppers Holdings Inc. | d272249d10k.htm |
Exhibit 23.1
Consent of Independent Registered Public Accounting Firm
We consent to the incorporation by reference in the Registration Statement Form S-3 No. 333-136329 of Koppers Holdings Inc. and in the related Prospectus for the registration of debt securities, common stock, preferred stock and warrants and in the Registration Statement Form S-8 No. 333-135449 pertaining to the Koppers Holdings Inc. 2005 Long Term Incentive Plan of our reports dated February 27, 2012, with respect to the consolidated financial statements and schedule of Koppers Holdings Inc., and the effectiveness of internal control over financial reporting of Koppers Holdings Inc., included in this Annual Report (Form 10-K) for the year ended December 31, 2011.
/s/ ERNST & YOUNG LLP
Pittsburgh, Pennsylvania
February 27, 2012