Attached files

file filename
EX-31.2 - EX-31.2 - Koppers Holdings Inc.kop-ex312_8.htm
EX-31.1 - EX-31.1 - Koppers Holdings Inc.kop-ex311_7.htm
10-Q - 10-Q - Koppers Holdings Inc.kop-10q_20200331.htm

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 Quarterly Report of Koppers Holdings Inc. (the “Company”) on Form 10-Q for the quarter ending March 31, 2020 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 the Company, 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.

 

/s/ LEROY M. BALL, JR.

/S/ MICHAEL J. ZUGAY

Leroy M. Ball, Jr.

Michael J. Zugay

President and Chief Executive Officer

Chief Financial Officer

 

 

May 7, 2020

May 7, 2020