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<SEC-DOCUMENT>0000034088-08-000135.txt : 20081128
<SEC-HEADER>0000034088-08-000135.hdr.sgml : 20081127
<ACCEPTANCE-DATETIME>20081128111436
ACCESSION NUMBER:		0000034088-08-000135
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20081124
FILED AS OF DATE:		20081128
DATE AS OF CHANGE:		20081128

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Duffin Neil W
		CENTRAL INDEX KEY:			0001395482

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-02256
		FILM NUMBER:		081219782

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		972-444-1000

	MAIL ADDRESS:	
		STREET 1:		EXXON MOBIL CORP.
		STREET 2:		5959 LAS COLINAS BLVD.
		CITY:			IRVING
		STATE:			TX
		ZIP:			75039-2298

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			EXXON MOBIL CORP
		CENTRAL INDEX KEY:			0000034088
		STANDARD INDUSTRIAL CLASSIFICATION:	PETROLEUM REFINING [2911]
		IRS NUMBER:				135409005
		STATE OF INCORPORATION:			NJ
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		5959 LAS COLINAS BLVD
		CITY:			IRVING
		STATE:			TX
		ZIP:			75039-2298
		BUSINESS PHONE:		9724441000

	MAIL ADDRESS:	
		STREET 1:		5959 LAS COLINAS BLVD
		CITY:			IRVING
		STATE:			TX
		ZIP:			75039-2298

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	EXXON CORP
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	STANDARD OIL CO OF NEW JERSEY
		DATE OF NAME CHANGE:	19721123
</SEC-HEADER>
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<TYPE>4
<SEQUENCE>1
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<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
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<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2008-11-24</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000034088</issuerCik>
        <issuerName>EXXON MOBIL CORP</issuerName>
        <issuerTradingSymbol>XOM</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001395482</rptOwnerCik>
            <rptOwnerName>Duffin Neil W</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>EXXON MOBIL CORP.</rptOwnerStreet1>
            <rptOwnerStreet2>5959 LAS COLINAS BLVD.</rptOwnerStreet2>
            <rptOwnerCity>IRVING</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75039-2298</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Executive Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2008-11-24</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>5</transactionFormType>
                <transactionCode>G</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value>E</value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>173</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>156917</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2008-11-25</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>46800</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>203717</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>190</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Dependent Child</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>190</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Dependent Child</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>828.6471</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Savings Plan</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">No consideration received.</footnote>
        <footnote id="F2">Restricted stock grant.</footnote>
        <footnote id="F3">Includes 11,617 shares in joint ownership with reporting person's spouse.</footnote>
    </footnotes>

    <remarks>List of exhibits:  Exhibit 24 - Power of Attorney</remarks>

    <ownerSignature>
        <signatureName>Jerry D. Miller by Power of Attorney</signatureName>
        <signatureDate>2008-11-28</signatureDate>
    </ownerSignature>
</ownershipDocument>
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<DESCRIPTION>POWER OF ATTORNEY
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<DIV class=Section1>
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      <P style="LINE-HEIGHT: 14pt"><FONT face="Times New Roman" size=3>The
      undersigned officer or director of Exxon Mobil Corporation, a New Jersey
      corporation ("ExxonMobil"), constitutes and appoints T. J. Gill, M. K.
      Ivey, and J. D. Miller, and each of them, as his or her true and lawful
      attorneys-in-fact and agents, with full power of substitution and
      resubstitution, for him or her and in his or her name, place and stead, in
      any and all capacities, to sign any and all forms of report with respect
      to securities of ExxonMobil required under Section 16(a) of the Securities
      Exchange Act of 1934, as amended, and to file the same, and any other
      documents in connection therewith, with the Securities and Exchange
      Commission, any stock exchange and ExxonMobil, granting unto said
      attorneys-in-fact and agents, and each of them, full power and authority
      to do and perform each and every act and thing requisite and necessary to
      be done, as fully for all intents and purposes as he or she might or could
      do in person, hereby ratifying and confirming all that said
      attorneys-in-fact and agents or any of them or their or his or her
      substitute or substitutes, may lawfully do or cause to be done by virtue
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      <P style="LINE-HEIGHT: 14pt"><FONT face="Times New Roman" size=3>This
      power of attorney shall remain in effect until the undersigned is no
      longer required to file forms of report with respect to securities of
      Exxon Mobil Corporation under Section 16(a) of the Securities Exchange Act
      of 1934, as amended, unless earlier revoked by the undersigned in a signed
      writing delivered to the foregoing attorneys-in-fact. Effective as of the
      date of this power of attorney, the undersigned hereby revokes any and all
      earlier dated powers of attorney given by the undersigned with respect to
      ExxonMobil securities reporting under said Section 16(a).
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      <P style="LINE-HEIGHT: 14pt"><FONT face="Times New Roman" size=3>IN
      WITNESS WHEREOF, the undersigned has executed this power of attorney as of
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      <P style="LINE-HEIGHT: 14pt; TEXT-ALIGN: center" align=center><U><FONT
      face="Times New Roman" size=3>_____11/21/2008______ </FONT></U></P></TD>
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      face="Times New Roman" size=3>____________Neil W. Duffin____________</FONT></U></P></TD></TR>
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