Additional Call Option Transaction Confirmation Sample Contracts

Form of Additional Call Option Transaction Confirmation [Dealer]1 [ ] [ ] [ ] [ ] March 26, 2010

Additional Call Option Transaction Confirmation • March 29th, 2010 • Kaiser Aluminum Corp • Rolling drawing & extruding of nonferrous metals

• Contract Type
  Additional Call Option Transaction Confirmation
• Filed
  March 29th, 2010
• Company
  Kaiser Aluminum Corp
• Industry
  Rolling drawing & extruding of nonferrous metals

To: Kaiser Aluminum Corporation 27422 Portola Parkway, Suite 200 Foothill Ranch, CA 92610-2831 Attention: Chief Financial Officer Telephone No.: (949) 614-1740 Facsimile No.: (949) 614-1930