FOOTHILL RANCH, Calif., May 11, 2009 (GLOBE NEWSWIRE) -- Kaiser Aluminum (Nasdaq:KALU) today announced it will host an Investor Day on Wednesday, May 20, 2009 in New York City. President, Chief Executive Officer and Chairman Jack A. Hockema, and Senior Vice President and Chief Financial Officer, Daniel J. Rinkenberger will be discussing the company's business strategy, operations and future opportunities. Presentations will begin at 10:30 a.m. EDT followed by a Q&A session, which will conclude at 12:00 p.m. EDT.

A link to the simultaneous webcast can be accessed on the Company's website in the Events and Presentations section at http://investors.kaiseraluminum.com/events.cfm. A copy of the presentation will be available prior to the start of the webcast. An audio archive will be available on the Company's website.

Kaiser Aluminum Corporation, headquartered in Foothill Ranch, Calif., is a leading producer of fabricated 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 http://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
          646-421-5321