Kaiser Aluminum Announces Fourth Quarter and Full Year 2009 Earnings Release and Conference Call

FOOTHILL RANCH, Calif., Feb. 1, 2010 (GLOBE NEWSWIRE) -- Kaiser Aluminum Corporation (Nasdaq:KALU) today announced that it plans to release its fourth quarter and full year 2009 financial and operating results on Tuesday, February 23, 2010 after the market closes. The Company will host its quarterly conference call on Wednesday, February 24, 2010 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 888-312-3047, internationally at 719-457-2606, 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.

Kaiser Aluminum, 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, forgings, rod, bar and tube 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(R) index. For more information, please visit www.kaiseraluminum.com.

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

CONTACT: Kaiser Aluminum
         Investor Relations Contact:
         Melinda C. Ellsworth
         (949) 614-1757

         FD
         Public Relations Contact:
         Dave Quast
         (646) 421-5341

Released February 1, 2010