Exhibit 24
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 Leroy M. Ball, Jr., Michael J. Zugay 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, 2018, to be filed with the Securities and Exchange Commission, Washington, DC.
WITNESS my hand this 1st day of March, 2019.
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/s/ Stephen R. Tritch |
Stephen R. Tritch |
POWER OF ATTORNEY
(10-K)
I, Louis L. Testoni, a Director of Koppers Holdings Inc. (the “Corporation”), a Pennsylvania corporation, hereby constitute and appoint Leroy M. Ball, Jr., Michael J. Zugay 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, 2018, to be filed with the Securities and Exchange Commission, Washington, DC.
WITNESS my hand this 1st day of March, 2019.
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/s/ Louis L. Testoni |
Louis L. Testoni |
POWER OF ATTORNEY
(10-K)
I, Cynthia A. Baldwin, a Director of Koppers Holdings Inc. (the “Corporation”), a Pennsylvania corporation, hereby constitute and appoint Leroy M. Ball, Jr., Michael J. Zugay 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, 2018, to be filed with the Securities and Exchange Commission, Washington, DC.
WITNESS my hand this 1st day of March, 2019.
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/s/ Cynthia A. Baldwin |
Cynthia A. Baldwin |
POWER OF ATTORNEY
(10-K)
I, Albert J. Neupaver, a Director of Koppers Holdings Inc. (the “Corporation”), a Pennsylvania corporation, hereby constitute and appoint Leroy M. Ball, Jr., Michael J. Zugay 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, 2018, to be filed with the Securities and Exchange Commission, Washington, DC.
WITNESS my hand this 1st day of March, 2019.
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/s/ Albert J. Neupaver |
Albert J. Neupaver |
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 Leroy M. Ball, Jr., Michael J. Zugay 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, 2018, to be filed with the Securities and Exchange Commission, Washington, DC.
WITNESS my hand this 1st day of March, 2019.
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/s/ Sharon Feng, Ph.D. |
Sharon Feng, Ph.D. |
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 Leroy M. Ball, Jr., Michael J. Zugay 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, 2018, to be filed with the Securities and Exchange Commission, Washington, DC.
WITNESS my hand this 1st day of March, 2019.
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/s/ T. Michael Young |
T. Michael Young |
POWER OF ATTORNEY
(10-K)
I, Traci Jensen, a Director of Koppers Holdings Inc. (the “Corporation”), a Pennsylvania corporation, hereby constitute and appoint Leroy M. Ball, Jr., Michael J. Zugay 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, 2018, to be filed with the Securities and Exchange Commission, Washington, DC.
WITNESS my hand this 1st day of March, 2019.
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/s/ Traci Jensen |
Traci Jensen |
POWER OF ATTORNEY
(10-K)
I, David L. Motley, a Director of Koppers Holdings Inc. (the “Corporation”), a Pennsylvania corporation, hereby constitute and appoint Leroy M. Ball, Jr., Michael J. Zugay 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, 2018, to be filed with the Securities and Exchange Commission, Washington, DC.
WITNESS my hand this 1st day of March, 2019.
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/s/ David L. Motley |
David L. Motley |
POWER OF ATTORNEY
(10-K)
I, Sonja M. Wilkerson, a Director of Koppers Holdings Inc. (the “Corporation”), a Pennsylvania corporation, hereby constitute and appoint Leroy M. Ball, Jr., Michael J. Zugay 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, 2018, to be filed with the Securities and Exchange Commission, Washington, DC.
WITNESS my hand this 1st day of March, 2019.
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/s/ Sonja M. Wilkerson |
Sonja M. Wilkerson |