0001323719-21-000004.txt : 20210430 0001323719-21-000004.hdr.sgml : 20210430 20210430163900 ACCESSION NUMBER: 0001323719-21-000004 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20210407 FILED AS OF DATE: 20210430 DATE AS OF CHANGE: 20210430 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Tiffany Blain CENTRAL INDEX KEY: 0001323719 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-09447 FILM NUMBER: 21878888 MAIL ADDRESS: STREET 1: 3400 N. WOLF ROAD CITY: FRANKLIN PARK STATE: IL ZIP: 60131 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: KAISER ALUMINUM CORP CENTRAL INDEX KEY: 0000811596 STANDARD INDUSTRIAL CLASSIFICATION: ROLLING DRAWING & EXTRUDING OF NONFERROUS METALS [3350] IRS NUMBER: 943030279 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 27422 PORTOLA PARKWAY, SUITE 200 CITY: FOOTHILL RANCH STATE: CA ZIP: 92610-2831 BUSINESS PHONE: 949-614-1740 MAIL ADDRESS: STREET 1: 27422 PORTOLA PARKWAY, SUITE 200 CITY: FOOTHILL RANCH STATE: CA ZIP: 92610-2831 FORMER COMPANY: FORMER CONFORMED NAME: KAISERTECH LTD DATE OF NAME CHANGE: 19901122 3 1 wf-form3_161981512387533.xml FORM 3 X0206 3 2021-04-07 0 0000811596 KAISER ALUMINUM CORP KALU 0001323719 Tiffany Blain C/O KAISER ALUMINUM CORP. 27422 PORTOLA PARKWAY, STE. 200 FOOTHILL RANCH CA 92610 0 1 0 0 SVP - Sales & Marketing Common Stock, par value $0.01 per share 30776 D Includes 28,827 shares acquired pursuant to grants of restricted stock units. /s/ Cherrie I. Tsai, with power of attorney for Blain Tiffany 2021-04-30 EX-24 2 blaintiffanypoa.htm POWER OF ATTORNEY

POWER OF ATTORNEY
The undersigned hereby constitutes and appoints each of John M. Donnan, Cherrie I. Tsai and Troy B. Lewis, or any of them, signing singly, the undersigned's true and lawful attorney-in-fact to:
1. to the extent the undersigned does not have the access codes necessary to file on EDGAR, execute for and on behalf of the undersigned a Form ID and any other form required to be filed or submitted in accordance with Regulation S-T promulgated by the United States Securities and Exchange Commission (the Commission) in order to obtain such codes; and
2. execute for and on behalf of the undersigned, in the undersigned's capacity as an officer and/or director of Kaiser Aluminum Corporation (the Company), Forms 3, 4 and 5 in accordance with Section 16(a) of the Securities Exchange Act of 1934 and the rules thereunder;
3. do and perform any and all acts for and on behalf of the undersigned that may be necessary or desirable to complete and execute any such Form ID or Form 3, 4 or 5 and timely file any such form or forms with the Commission and any stock exchange or similar authority; and
4. take any other action of any type whatsoever in connection with the foregoing that, in the opinion of such attorney-in-fact, may be of benefit to, in the best interest of, or legally required by the undersigned, it being understood that the documents executed by such attorney-in-fact on behalf of the undersigned pursuant to this power of attorney shall be in such form and shall contain such terms and conditions as such attorney-in-fact may approve in such attorney-in-fact's sole discretion.
The undersigned hereby grants to each such attorney-in-fact and any of them full power and authority to do and perform any and every act and thing whatsoever, necessary or desirable to be done in the exercise of any of the rights and powers herein granted, as fully to all intents and purposes as the undersigned might or could do if personally present, with full power of substitution or revocation, hereby ratifying and confirming all that any such attorney-in-fact, or any such attorney-in-fact's substitute or substitutes, shall lawfully do or cause to be done by virtue of this power of attorney and the rights and powers herein granted. The undersigned acknowledges that none of the foregoing attorneys-in-fact, in serving in such capacity at the request of the undersigned, are assuming, nor is the Company assuming, any of the undersigned's responsibilities to comply with Section 16 of the Securities Exchange Act of 1934.
The execution by the undersigned of this power of attorney hereby expressly revokes and terminates any powers of attorney previously granted by the undersigned with respect to a Form ID or Forms 3, 4 and 5 involving Company securities. This power of attorney shall remain in full force and effect until the undersigned is no longer required to file a Form ID or Forms 3, 4 and 5 with respect to the undersignedTMs holdings of and transactions in securities issued by the Company, unless earlier revoked by the undersigned in a signed writing delivered to the foregoing attorneys-in-fact.
IN WITNESS WHEREOF, the undersigned has caused this power of attorney to be executed as of the 9th day of April, 2021.

/s/ Blain Tiffany
Name: Blain Tiffany