Kaiser Aluminum Schedules Second Quarter 2007 Earnings Release Date and Conference Call for Tuesday, August 14

Kaiser Aluminum (NASDAQ:KALU), a leading producer of high-quality fabricated aluminum products, has scheduled its second quarter earnings release and conference call for Tuesday, August 14, 2007. The company expects to issue the earnings press release before the market opens with a conference call to discuss the results commencing at 1:00 PM EDT.

What:

Kaiser Aluminum’s Second Quarter Earnings Conference Call

When:

Tuesday, August 14, 2007 at 1:00 pm ET / 12:00 pm CT / 11:00 am MT / 10:00 am PT

Where:

Participate directly via conference call at (800) 810-0924 or listen via the company’s Web site at http://www.kaiseraluminum.com (Investor Relations section)

An audio archive will be available on the company’s Web site following the call.

Kaiser Aluminum is a leading producer of fabricated aluminum products for aerospace and high-strength, general engineering, and automotive and custom industrial applications. The company has more than 2,000 employees and 11 plants in North America and produces more than 500 million pounds annually of value-added sheet, plate, extrusions, forgings, rod, bar and tube. For more information, please visit our Web site at www.kaiseraluminum.com.

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