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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0000034088-04-000196.txt : 20040915
<SEC-HEADER>0000034088-04-000196.hdr.sgml : 20040915
<ACCEPTANCE-DATETIME>20040915165304
ACCESSION NUMBER:		0000034088-04-000196
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20040913
FILED AS OF DATE:		20040915
DATE AS OF CHANGE:		20040915

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Hubble Henry H
		CENTRAL INDEX KEY:			0001294286

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-02256
		FILM NUMBER:		041032132

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		972-444-1000

	MAIL ADDRESS:	
		STREET 1:		C/O 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>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-09-13</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001294286</rptOwnerCik>
            <rptOwnerName>Hubble Henry H</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O EXXON MOBIL CORP</rptOwnerStreet1>
            <rptOwnerStreet2>5959 LAS COLINAS BLVD</rptOwnerStreet2>
            <rptOwnerCity>IRVING</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75039-2298</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Vice President and Secretary</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2004-09-13</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness>
                <value></value>
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            <transactionAmounts>
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                </transactionShares>
                <transactionPricePerShare>
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                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
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                <sharesOwnedFollowingTransaction>
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                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
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                    <value>D</value>
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            </ownershipNature>
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        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
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            <transactionDate>
                <value>2004-09-13</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
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            <transactionTimeliness>
                <value></value>
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            <transactionAmounts>
                <transactionShares>
                    <value>6608</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>15.125</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>102862</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
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            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
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            <transactionDate>
                <value>2004-09-13</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
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                <transactionPricePerShare>
                    <value>47.53</value>
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                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>100759</value>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>47644.308</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Savings Plan</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>568</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Spouse</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Employee Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>15.125</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2004-09-13</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>24000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>15.125</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>1995-11-30</value>
            </exerciseDate>
            <expirationDate>
                <value>2004-11-30</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>24000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <remarks>List of Exhibits

Exhibit 24 - Power of Attorney</remarks>

    <ownerSignature>
        <signatureName>Jerry D. Miller by Power of Attorney</signatureName>
        <signatureDate>2004-09-13</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>xompoa2004hubble.htm
<DESCRIPTION>POWER OF ATTORNEY
<TEXT>
<HTML>
<HEAD>
<META NAME="Generator" CONTENT="Microsoft Word 97">
<TITLE>Power of Attorney - Section 16 insiders</TITLE>
<META NAME="subject" CONTENT="Insider trading - assign Asst. Sec's ">
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<BODY>

<U><P ALIGN="CENTER"><BR>
</P></U>
<TABLE CELLSPACING=0 BORDER=0 CELLPADDING=7 WIDTH=638>
<TR><TD VALIGN="TOP">
<U><P ALIGN="CENTER">POWER OF ATTORNEY</U></TD>
</TR>
</TABLE>

<P ALIGN="CENTER"></P>
<TABLE CELLSPACING=0 BORDER=0 CELLPADDING=7 WIDTH=638>
<TR><TD VALIGN="TOP">
<P>The undersigned officer or director of Exxon Mobil Corporation, a New Jersey corporation ("ExxonMobil"), constitutes and appoints M. K. Ivey, J. D. Miller, and F. L. Reid, 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 age
nts or any of them or their or his or her substitute or substitutes, may lawfully do or cause to be done  by virtue hereof.</TD>
</TR>
</TABLE>


<TABLE CELLSPACING=0 BORDER=0 CELLPADDING=7 WIDTH=638>
<TR><TD VALIGN="TOP">
<P>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 reporting under said Section 16(a).</TD>
</TR>
</TABLE>


<TABLE CELLSPACING=0 BORDER=0 CELLPADDING=7 WIDTH=638>
<TR><TD VALIGN="TOP">
<P>IN WITNESS WHEREOF, the undersigned has executed this power of attorney as of the date set forth below.</TD>
</TR>
</TABLE>

<P><BR>
</P>
<TABLE CELLSPACING=0 BORDER=0 WIDTH=652>
<TR><TD WIDTH="40%" VALIGN="TOP">
<U><P ALIGN="CENTER">06/11/2004</U></TD>
<TD WIDTH="9%" VALIGN="TOP">&nbsp;</TD>
<TD WIDTH="51%" VALIGN="TOP">
<U><P ALIGN="CENTER">Henry H. Hubble</U></TD>
</TR>
<TR><TD WIDTH="40%" VALIGN="TOP">
<P ALIGN="CENTER">Date</TD>
<TD WIDTH="9%" VALIGN="TOP">&nbsp;</TD>
<TD WIDTH="51%" VALIGN="TOP">
<P ALIGN="CENTER">Henry H. Hubble</TD>
</TR>
</TABLE>

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