Exhibit 24
KOPPERS HOLDINGS INC.
POWER OF ATTORNEY
(10-K)
I, David M. Hillenbrand, Ph.D., a Director of Koppers Holdings Inc. (the “Corporation”), a Pennsylvania corporation, hereby constitute and appoint Walter W. Turner, Leroy M. Ball and Steven R. Lacy, or any of them, my true and lawful attorneys or attorneys-in-fact, with full power of substitution and revocation, to sign, in my name and on my behalf as a Director of the Corporation, the Corporation’s Form 10-K for the fiscal year ended December 31, 2013, to be filed with the Securities and Exchange Commission, Washington, DC.
WITNESS my hand this 5th day of February, 2014.
/s/ David M. Hillenbrand, Ph.D. David M. Hillenbrand, Ph.D. |
KOPPERS HOLDINGS INC.
POWER OF ATTORNEY
(10-K)
I, Louis L. Testoni, a Director of Koppers Holdings Inc. (the “Corporation”), a Pennsylvania corporation, hereby constitute and appoint Walter W. Turner, Leroy M. Ball and Steven R. Lacy, or any of them, my true and lawful attorneys or attorneys-in-fact, with full power of substitution and revocation, to sign, in my name and on my behalf as a Director of the Corporation, the Corporation’s Form 10-K for the fiscal year ended December 31, 2013, to be filed with the Securities and Exchange Commission, Washington, DC.
WITNESS my hand this 5th day of February, 2014.
/s/ Louis L. Testoni Louis L. Testoni |
KOPPERS HOLDINGS INC.
POWER OF ATTORNEY
(10-K)
I, Cynthia A. Baldwin, a Director of Koppers Holdings Inc. (the “Corporation”), a Pennsylvania corporation, hereby constitute and appoint Walter W. Turner, Leroy M. Ball and Steven R. Lacy, or any of them, my true and lawful attorneys or attorneys-in-fact, with full power of substitution and revocation, to sign, in my name and on my behalf as a Director of the Corporation, the Corporation’s Form 10-K for the fiscal year ended December 31, 2013, to be filed with the Securities and Exchange Commission, Washington, DC.
WITNESS my hand this 5th day of February, 2014.
/s/ Cynthia A. Baldwin Cynthia A. Baldwin |
KOPPERS HOLDINGS INC.
POWER OF ATTORNEY
(10-K)
I, Albert J. Neupaver, a Director of Koppers Holdings Inc. (the “Corporation”), a Pennsylvania corporation, hereby constitute and appoint Walter W. Turner, Leroy M. Ball and Steven R. Lacy, or any of them, my true and lawful attorneys or attorneys-in-fact, with full power of substitution and revocation, to sign, in my name and on my behalf as a Director of the Corporation, the Corporation’s Form 10-K for the fiscal year ended December 31, 2013, to be filed with the Securities and Exchange Commission, Washington, DC.
WITNESS my hand this 5th day of February, 2014.
/s/ Albert J. Neupaver Albert J. Neupaver |
KOPPERS HOLDINGS INC.
POWER OF ATTORNEY
(10-K)
I, Sharon Feng, Ph.D., a Director of Koppers Holdings Inc. (the “Corporation”), a Pennsylvania corporation, hereby constitute and appoint Walter W. Turner, Leroy M. Ball and Steven R. Lacy, or any of them, my true and lawful attorneys or attorneys-in-fact, with full power of substitution and revocation, to sign, in my name and on my behalf as a Director of the Corporation, the Corporation’s Form 10-K for the fiscal year ended December 31, 2013, to be filed with the Securities and Exchange Commission, Washington, DC.
WITNESS my hand this 5th day of February, 2014.
/s/ Sharon Feng, Ph.D. Sharon Feng, Ph.D. |
KOPPERS HOLDINGS INC.
POWER OF ATTORNEY
(10-K)
I, Stephen R. Tritch, a Director of Koppers Holdings Inc. (the “Corporation”), a Pennsylvania corporation, hereby constitute and appoint Walter W. Turner, Leroy M. Ball and Steven R. Lacy, or any of them, my true and lawful attorneys or attorneys-in-fact, with full power of substitution and revocation, to sign, in my name and on my behalf as a Director of the Corporation, the Corporation’s Form 10-K for the fiscal year ended December 31, 2013, to be filed with the Securities and Exchange Commission, Washington, DC.
WITNESS my hand this 4th day of February, 2014.
/s/ Stephen R. Tritch Stephen R. Tritch |
KOPPERS HOLDINGS INC.
POWER OF ATTORNEY
(10-K)
I, T. Michael Young, a Director of Koppers Holdings Inc. (the “Corporation”), a Pennsylvania corporation, hereby constitute and appoint Walter W. Turner, Leroy M. Ball and Steven R. Lacy, or any of them, my true and lawful attorneys or attorneys-in-fact, with full power of substitution and revocation, to sign, in my name and on my behalf as a Director of the Corporation, the Corporation’s Form 10-K for the fiscal year ended December 31, 2013, to be filed with the Securities and Exchange Commission, Washington, DC.
WITNESS my hand this 5th day of February, 2014.
/s/ T. Michael Young T. Michael Young |