Attached files

file filename
EX-23.1 - CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM - KAISER ALUMINUM CORPex231-kalux12311710k.htm
10-K - 10-K - KAISER ALUMINUM CORPkalu-12312017x10k.htm
EX-32.1 - SECTION 906-JACK A. HOCKEMA - KAISER ALUMINUM CORPex321-kalux12311710k.htm
EX-31.2 - SECTION 302-DANIEL J. RINKENBERGER - KAISER ALUMINUM CORPex312-kalux12311710k.htm
EX-31.1 - SECTION 302-JACK A. HOCKEMA - KAISER ALUMINUM CORPex311-kalux12311710k.htm
EX-12.1 - COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES - KAISER ALUMINUM CORPex121-kalux12311710k.htm


Exhibit 32.2
CERTIFICATION PURSUANT TO
18 U.S.C. 1350
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
February 22, 2018
In connection with the Annual Report on Form 10-K by Kaiser Aluminum Corporation, a Delaware corporation (the “Company”), for the year ended December 31, 2017 (the “Report”), as filed on the date hereof with the Securities and Exchange Commission, the undersigned, Daniel J. Rinkenberger, Executive Vice President and Chief Financial Officer of the Company, does hereby certify, pursuant to 18 U.S.C. 1350 as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to such officer’s knowledge:
(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and
(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company as of the dates and for the periods expressed in the Report.
IN WITNESS WHEREOF, the undersigned has executed this certification as of the date first above written.

 
/s/ Daniel J. Rinkenberger
 
Daniel J. Rinkenberger
 
Executive Vice President and Chief Financial Officer
 
(Principal Financial Officer)

A signed original of this written statement required by Section 906 has been provided to Kaiser Aluminum Corporation and will be retained by Kaiser Aluminum Corporation and furnished to the Securities and Exchange Commission or its staff upon request.