X0202 4 2008-04-14 0 0000811596 KAISER ALUMINUM CORP KALU 0001227292 RINKENBERGER DANIEL J C/O KAISER ALUMINUM CORP. 27422 PORTOLA PARKWAY SUITE 350 FOOTHILL RANCH CA 92610 0 1 0 0 Sr. VP, CFO & Treasurer Common Stock, par value $0.01 per share 2008-04-14 4 A 0 1939 0.00 A 28244 D Grant to the reporting person effective as of April 14, 2008, of restricted stock under the Kaiser Aluminum Corporation Amended and Restated 2006 Equity and Performance Incentive Plan. All restrictions will lapse on March 3, 2011 or earlier upon the occurrence of certain specified circumstances. /s/ John M. Donnan, with power of attorney for Daniel J. Rinkenberger 2008-04-16