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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 JfuhBGCx0QhRTJkmIV1ScscoaEnSweQuxEFsmFQaXtFHqdAKoGpAcFuC6vtkAi4s
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<SEC-DOCUMENT>0001181431-10-023344.txt : 20100429
<SEC-HEADER>0001181431-10-023344.hdr.sgml : 20100429
<ACCEPTANCE-DATETIME>20100429112002
ACCESSION NUMBER:		0001181431-10-023344
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100427
FILED AS OF DATE:		20100429
DATE AS OF CHANGE:		20100429

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			KAISER ALUMINUM CORP
		CENTRAL INDEX KEY:			0000811596
		STANDARD INDUSTRIAL CLASSIFICATION:	ROLLING DRAWING & EXTRUDING OF NONFERROUS METALS [3350]
		IRS NUMBER:				943030279
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		27422 PORTOLA PARKWAY, SUITE 350
		CITY:			FOOTHILL RANCH
		STATE:			CA
		ZIP:			92610-2831
		BUSINESS PHONE:		949-614-1740

	MAIL ADDRESS:	
		STREET 1:		27422 PORTOLA PARKWAY, SUITE 350
		CITY:			FOOTHILL RANCH
		STATE:			CA
		ZIP:			92610-2831

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	KAISERTECH LTD
		DATE OF NAME CHANGE:	19901122

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			VEBA for Retirees of Kaiser Aluminum
		CENTRAL INDEX KEY:			0001369009
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-52105
		FILM NUMBER:		10779552

	BUSINESS ADDRESS:	
		STREET 1:		C/O MELLON BANK, N.A., AS TRUSTEE
		STREET 2:		ONE MELLON CENTER, ROOM 151-1935
		CITY:			PITTSBURGH
		STATE:			PA
		ZIP:			15258
		BUSINESS PHONE:		412-644-8545

	MAIL ADDRESS:	
		STREET 1:		C/O MELLON BANK, N.A., AS TRUSTEE
		STREET 2:		ONE MELLON CENTER, ROOM 151-1935
		CITY:			PITTSBURGH
		STATE:			PA
		ZIP:			15258
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rrd273740.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-04-27</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000811596</issuerCik>
        <issuerName>KAISER ALUMINUM CORP</issuerName>
        <issuerTradingSymbol>KALU</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001369009</rptOwnerCik>
            <rptOwnerName>VEBA for Retirees of Kaiser Aluminum</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O THE BANK OF NEW YORK MELLON, TRUSTEE</rptOwnerStreet1>
            <rptOwnerStreet2>ONE MELLON CENTER, ROOM 151-1935</rptOwnerStreet2>
            <rptOwnerCity>PITTSBURGH</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>15258</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-04-27</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1725</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>40.28</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4002454</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-04-28</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>2082</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>39.45</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4000372</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $40.25 - $40.34, inclusive. The reporting person undertakes to provide to Kaiser Aluminum Corp., any shareholder of Kaiser Aluminum Corp., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (1) to this Form 4.</footnote>
        <footnote id="F2">The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $39.45 - $39.47, inclusive. The reporting person undertakes to provide to Kaiser Aluminum Corp., any shareholder of Kaiser Aluminum Corp., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (2) to this Form 4.</footnote>
    </footnotes>

    <remarks>The filing of this statement shall not be construed as an admission (a) that the person filing this statement is, for the purpose of Section 16 of the Securities Exchange Act of 1934, as amended, the beneficial owner of any equity securities covered by this statement, or (b) that this statement is legally required to be filed by such person.</remarks>

    <ownerSignature>
        <signatureName>/s/ Bernadette T. Rist for The Bank of New York Mellon, successor to Mellon Bank, N.A., solely in its capacity as Trustee for the VEBA for Retirees of Kaiser Aluminum Trust (as directed by the Investment Fiduciary), and not in its individual capacity</signatureName>
        <signatureDate>2010-04-29</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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