Kaiser Aluminum Announces Fourth Quarter and Full Year 2012 Earnings Release and Conference Call

Kaiser Aluminum Announces Fourth Quarter and Full Year 2012 Earnings Release
and Conference Call

FOOTHILL RANCH, Calif., Jan. 23, 2013 (GLOBE NEWSWIRE) -- Kaiser Aluminum
Corporation (Nasdaq:KALU) today announced that it plans to release its fourth
quarter and full year 2012 financial and operating results on Tuesday,
February 19, 2013 after the market closes. The Company will host its quarterly
conference call on Wednesday, February 20, 2013 at:

                              10:00 a.m. Pacific
                              12:00 p.m. Central
                              1:00 p.m. Eastern

The conference call can be directly accessed from the U.S. and Canada at (877)
719-9799, internationally at (719) 325-4810, or through the Company's website
at http://www.kaiseraluminum.com. An audio archive will be available on the
Company's website following the call.

Company Description

Kaiser Aluminum Corporation, headquartered in Foothill Ranch, Calif., is a
leading producer of semi-fabricated specialty aluminum products, serving
customers worldwide with highly-engineered solutions for aerospace and
high-strength, general engineering, and custom automotive and industrial
applications. The Company's North American facilities produce value-added
sheet, plate, extrusions, rod, bar, tube and wire products, adhering to
traditions of quality, innovation and service that have been key components of
our culture since the Company was founded in 1946. The Company's stock is
included in the Russell 2000® index and the S&P Small Cap 600® index.

The Kaiser Aluminum Corporation logo is available at
http://www.globenewswire.com/newsroom/prs/?pkgid=6081

Available Information

For more information, please visit the Company's web site at
www.kaiseraluminum.com. The web site includes a section for investor relations
under which the Company provides notifications of news or announcements
regarding its financial performance, including Securities and Exchange
Commission (SEC) filings, investor events, and earnings and other press
releases. In addition, all Company filings submitted to the SEC are available
through a link to the section of the SEC's web site at www.sec.gov which
includes: Annual Reports on Form 10-K, Quarterly Reports on Form 10-Q, Current
Reports on Form 8-K and Proxy Statements for the Company's annual
stockholders' meetings and other information statements as filed with the SEC.
In addition, the Company provides a webcast of its quarterly earnings calls
and certain events in which management participates or hosts with members of
the investment community.

CONTACT: Investor Relations Contact:
         Melinda C. Ellsworth
         Kaiser Aluminum
         (949) 614-1757
        
         Public Relations Contact:
         Dave Quast
         FTI Consulting
         (213) 452-6348

Kaiser Aluminum