Exhibit 21

SUBSIDIARIES

Listed below are the principal subsidiaries and equity investments of Kaiser Aluminum Corporation, the jurisdiction of their incorporation or organization, and the names under which such subsidiaries do business. The Company’s ownership is indicated for its equity investment. Certain subsidiaries are omitted which, considered in the aggregate as a single subsidiary, would not constitute a significant subsidiary.

	Place of
	Incorporation or
Name	Organization
Kaiser Aluminum Investments Company	Delaware
Kaiser Aluminum Fabricated Products, LLC	Delaware
Kaiser Aluminium International, Inc.	Delaware
Kaiser Aluminum & Chemical Corporation, LLC	Delaware
Anglesey Aluminium Limited (49%)	United Kingdom

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Principal Domestic Operations and Administrative Offices	Arizona   Chandler      Fabricated Products	South Carolina   Greenwood      Fabricated Products
	California   Foothill Ranch      Corporate Headquarters	Tennessee   Jackson      Fabricated Products
	Los Angeles (City of Commerce)   Fabricated Products	Texas   Sherman      Fabricated Products
	Michigan   Detroit (Southfield)      Automotive Product Development and sales	Virginia   Richmond      Fabricated Products
	Ohio   Newark      Fabricated Products	Washington   Richland      Fabricated Products
	Oklahoma   Tulsa      Fabricated Products	Trentwood   Fabricated Products
Principal Worldwide Operations	Canada   Kaiser Aluminum & Chemical   of Canada Limited (100%)      Fabricated Products	Wales, United Kingdom   Anglescy Aluminum Ltd. (49)%      Primary Aluminum

109