-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Nv+bnW4HEVq8jEsL9BVNiF/gO8H5eBJbr/xMxXKjmlwrt+XjgZxAGnaeXkJ7nL4G
 +1va/mikraNogakdK9PCSA==

<SEC-DOCUMENT>0000066740-03-000110.txt : 20031027
<SEC-HEADER>0000066740-03-000110.hdr.sgml : 20031027
<ACCEPTANCE-DATETIME>20031027150112
ACCESSION NUMBER:		0000066740-03-000110
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031023
FILED AS OF DATE:		20031027

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			POWELL DAVID W
		CENTRAL INDEX KEY:			0001197746

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-03285
		FILM NUMBER:		03958400

	BUSINESS ADDRESS:	
		STREET 1:		3M CENTER
		STREET 2:		BUILDING 0220-14W-02
		CITY:			ST PAUL
		STATE:			MN
		ZIP:			55144-1000

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			3M CO
		CENTRAL INDEX KEY:			0000066740
		STANDARD INDUSTRIAL CLASSIFICATION:	CONVERTED PAPER & PAPERBOARD PRODS (NO CONTAINERS/BOXES) [2670]
		IRS NUMBER:				410417775
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		3M CENTER
		STREET 2:		BLDG. 220-11W-02
		CITY:			ST PAUL
		STATE:			MN
		ZIP:			55144-1000
		BUSINESS PHONE:		6517332204

	MAIL ADDRESS:	
		STREET 1:		3M CENTER
		STREET 2:		BLDG. 220-11W-02
		CITY:			ST. PAUL
		STATE:			MN
		ZIP:			55144-1000

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MINNESOTA MINING & MANUFACTURING CO
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>mmm_ex.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<!-- - EDGAR Ease Plus 1.0                                   07/25/03  TT    -->
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>
   <periodOfReport>2003-10-23</periodOfReport>
   <notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0000066740</issuerCik>
        <issuerName>3M CO</issuerName>
        <issuerTradingSymbol>MMM</issuerTradingSymbol>
   </issuer>
   <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001197746</rptOwnerCik>
            <rptOwnerName>POWELL DAVID W</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>3M CENTER</rptOwnerStreet1>
            <rptOwnerStreet2>BUILDING 0220-14W-02</rptOwnerStreet2>
            <rptOwnerCity>ST PAUL</rptOwnerCity>
            <rptOwnerState>MN</rptOwnerState>
            <rptOwnerZipCode>55144-1000</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
         <isDirector>0</isDirector>
         <isOfficer>1</isOfficer>
         <isTenPercentOwner>0</isTenPercentOwner>
         <isOther>0</isOther>
         <officerTitle>VICE PRESIDENT MARKETING</officerTitle>
      </reportingOwnerRelationship>
   </reportingOwner>
 <nonDerivativeTable>
   <nonDerivativeTransaction>
      <securityTitle>
         <value>Common Stock</value>
      </securityTitle>
      <transactionDate>
         <value>2003-04-29</value>
      </transactionDate>
      <transactionCoding>
         <transactionFormType>4</transactionFormType>
         <transactionCode>G</transactionCode>
         <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionAmounts>
         <transactionShares>
           <value>100</value>
         </transactionShares>
         <transactionPricePerShare>
           <value>0</value>
         </transactionPricePerShare>
         <transactionAcquiredDisposedCode>
           <value>D</value>
         </transactionAcquiredDisposedCode>
      </transactionAmounts>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>24137</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
            <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </nonDerivativeTransaction>
   <nonDerivativeTransaction>
      <securityTitle>
         <value>Common Stock</value>
      </securityTitle>
      <transactionDate>
         <value>2003-10-10</value>
      </transactionDate>
      <transactionCoding>
         <transactionFormType>4</transactionFormType>
         <transactionCode>G</transactionCode>
         <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionAmounts>
         <transactionShares>
           <value>900</value>
         </transactionShares>
         <transactionPricePerShare>
           <value>0</value>
         </transactionPricePerShare>
         <transactionAcquiredDisposedCode>
           <value>D</value>
         </transactionAcquiredDisposedCode>
      </transactionAmounts>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>47577</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
            <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </nonDerivativeTransaction>
   <nonDerivativeTransaction>
      <securityTitle>
         <value>Common Stock</value>
      </securityTitle>
      <transactionDate>
         <value>2003-10-23</value>
      </transactionDate>
      <transactionCoding>
         <transactionFormType>4</transactionFormType>
         <transactionCode>S</transactionCode>
         <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionAmounts>
         <transactionShares>
           <value>3000</value>
         </transactionShares>
         <transactionPricePerShare>
           <value>76.06</value>
         </transactionPricePerShare>
         <transactionAcquiredDisposedCode>
           <value>D</value>
         </transactionAcquiredDisposedCode>
      </transactionAmounts>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>44577</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
            <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </nonDerivativeTransaction>
   <nonDerivativeTransaction>
      <securityTitle>
         <value>Common Stock</value>
            <footnoteId id="F1"/>
      </securityTitle>
      <transactionDate>
         <value>2003-10-24</value>
      </transactionDate>
      <transactionCoding>
         <transactionFormType>4</transactionFormType>
         <transactionCode>F</transactionCode>
         <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionAmounts>
         <transactionShares>
           <value>44</value>
            <footnoteId id="F2"/>
         </transactionShares>
         <transactionPricePerShare>
           <value>70.375</value>
         </transactionPricePerShare>
         <transactionAcquiredDisposedCode>
           <value>D</value>
         </transactionAcquiredDisposedCode>
      </transactionAmounts>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>44533</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
            <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </nonDerivativeTransaction>
   <nonDerivativeTransaction>
      <securityTitle>
         <value>Common Stock</value>
            <footnoteId id="F3"/>
      </securityTitle>
      <transactionDate>
         <value>2003-10-23</value>
      </transactionDate>
      <transactionCoding>
         <transactionFormType>4</transactionFormType>
         <transactionCode>I</transactionCode>
         <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionAmounts>
         <transactionShares>
           <value>850</value>
         </transactionShares>
         <transactionPricePerShare>
           <value>75.93</value>
         </transactionPricePerShare>
         <transactionAcquiredDisposedCode>
           <value>D</value>
         </transactionAcquiredDisposedCode>
      </transactionAmounts>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>1937</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
            <value>I</value>
         </directOrIndirectOwnership>
         <natureOfOwnership>
            <value>by 401k/PAESOP Trust</value>
         </natureOfOwnership>
      </ownershipNature>
   </nonDerivativeTransaction>
 </nonDerivativeTable>
 <derivativeTable>
   <derivativeHolding>
      <securityTitle>
         <value>Incentive Stock Option (right to buy)</value>
      </securityTitle>
      <conversionOrExercisePrice>
         <value>31.5175</value>
      </conversionOrExercisePrice>
      <exerciseDate>
         <value>1997-05-14</value>
      </exerciseDate>
      <expirationDate>
         <value>2006-05-14</value>
      </expirationDate>
      <underlyingSecurity>
         <underlyingSecurityTitle>
           <value>Common Stock</value>
         </underlyingSecurityTitle>
         <underlyingSecurityShares>
           <value>3172</value>
         </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>3172</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
           <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeHolding>
   <derivativeHolding>
      <securityTitle>
         <value>Incentive Stock Option (right to buy)</value>
      </securityTitle>
      <conversionOrExercisePrice>
         <value>43.35</value>
      </conversionOrExercisePrice>
      <exerciseDate>
         <value>2001-05-09</value>
      </exerciseDate>
      <expirationDate>
         <value>2010-05-09</value>
      </expirationDate>
      <underlyingSecurity>
         <underlyingSecurityTitle>
           <value>Common Stock</value>
         </underlyingSecurityTitle>
         <underlyingSecurityShares>
           <value>2306</value>
         </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>2306</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
           <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeHolding>
   <derivativeHolding>
      <securityTitle>
         <value>Incentive Stock Option (right to buy)</value>
      </securityTitle>
      <conversionOrExercisePrice>
         <value>45.85</value>
      </conversionOrExercisePrice>
      <exerciseDate>
         <value>1998-05-13</value>
      </exerciseDate>
      <expirationDate>
         <value>2007-05-13</value>
      </expirationDate>
      <underlyingSecurity>
         <underlyingSecurityTitle>
           <value>Common Stock</value>
         </underlyingSecurityTitle>
         <underlyingSecurityShares>
           <value>2180</value>
         </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>2180</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
           <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeHolding>
   <derivativeHolding>
      <securityTitle>
         <value>Incentive Stock Option (right to buy)</value>
      </securityTitle>
      <conversionOrExercisePrice>
         <value>46.675</value>
      </conversionOrExercisePrice>
      <exerciseDate>
         <value>1999-05-12</value>
      </exerciseDate>
      <expirationDate>
         <value>2008-05-12</value>
      </expirationDate>
      <underlyingSecurity>
         <underlyingSecurityTitle>
           <value>Common Stock</value>
         </underlyingSecurityTitle>
         <underlyingSecurityShares>
           <value>2142</value>
         </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>2142</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
           <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeHolding>
   <derivativeHolding>
      <securityTitle>
         <value>Incentive Stock Option (right to buy)</value>
      </securityTitle>
      <conversionOrExercisePrice>
         <value>47.5</value>
      </conversionOrExercisePrice>
      <exerciseDate>
         <value>2000-05-11</value>
      </exerciseDate>
      <expirationDate>
         <value>2009-05-10</value>
      </expirationDate>
      <underlyingSecurity>
         <underlyingSecurityTitle>
           <value>Common Stock</value>
         </underlyingSecurityTitle>
         <underlyingSecurityShares>
           <value>2104</value>
         </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>2104</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
           <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeHolding>
   <derivativeHolding>
      <securityTitle>
         <value>Incentive Stock Option (right to buy)</value>
      </securityTitle>
      <conversionOrExercisePrice>
         <value>58.625</value>
      </conversionOrExercisePrice>
      <exerciseDate>
         <value>2002-05-08</value>
      </exerciseDate>
      <expirationDate>
         <value>2011-05-08</value>
      </expirationDate>
      <underlyingSecurity>
         <underlyingSecurityTitle>
           <value>Common Stock</value>
         </underlyingSecurityTitle>
         <underlyingSecurityShares>
           <value>1704</value>
         </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>1704</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
           <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeHolding>
   <derivativeHolding>
      <securityTitle>
         <value>Non-Qualified Stock Option (right to buy)</value>
      </securityTitle>
      <conversionOrExercisePrice>
         <value>46.675</value>
      </conversionOrExercisePrice>
      <exerciseDate>
         <value>1999-05-12</value>
      </exerciseDate>
      <expirationDate>
         <value>2008-05-12</value>
      </expirationDate>
      <underlyingSecurity>
         <underlyingSecurityTitle>
           <value>Common Stock</value>
         </underlyingSecurityTitle>
         <underlyingSecurityShares>
           <value>824</value>
         </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>824</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
           <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeHolding>
   <derivativeHolding>
      <securityTitle>
         <value>Non-Qualified Stock Option (right to buy)</value>
      </securityTitle>
      <conversionOrExercisePrice>
         <value>47.5</value>
      </conversionOrExercisePrice>
      <exerciseDate>
         <value>2000-05-11</value>
      </exerciseDate>
      <expirationDate>
         <value>2009-05-10</value>
      </expirationDate>
      <underlyingSecurity>
         <underlyingSecurityTitle>
           <value>Common Stock</value>
         </underlyingSecurityTitle>
         <underlyingSecurityShares>
           <value>19016</value>
         </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>19016</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
           <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeHolding>
   <derivativeHolding>
      <securityTitle>
         <value>Non-Qualified Stock Option (right to buy)</value>
      </securityTitle>
      <conversionOrExercisePrice>
         <value>48.225</value>
      </conversionOrExercisePrice>
      <exerciseDate>
         <value>2000-05-10</value>
      </exerciseDate>
      <expirationDate>
         <value>2005-05-06</value>
      </expirationDate>
      <underlyingSecurity>
         <underlyingSecurityTitle>
           <value>Common Stock</value>
         </underlyingSecurityTitle>
         <underlyingSecurityShares>
           <value>4788</value>
         </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>4788</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
           <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeHolding>
   <derivativeHolding>
      <securityTitle>
         <value>Non-Qualified Stock Option (right to buy)</value>
      </securityTitle>
      <conversionOrExercisePrice>
         <value>48.25</value>
      </conversionOrExercisePrice>
      <exerciseDate>
         <value>2000-05-10</value>
      </exerciseDate>
      <expirationDate>
         <value>2004-05-07</value>
      </expirationDate>
      <underlyingSecurity>
         <underlyingSecurityTitle>
           <value>Common Stock</value>
         </underlyingSecurityTitle>
         <underlyingSecurityShares>
           <value>3946</value>
         </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>3946</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
           <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeHolding>
   <derivativeHolding>
      <securityTitle>
         <value>Non-Qualified Stock Option (right to buy)</value>
      </securityTitle>
      <conversionOrExercisePrice>
         <value>48.25</value>
      </conversionOrExercisePrice>
      <exerciseDate>
         <value>2000-05-10</value>
      </exerciseDate>
      <expirationDate>
         <value>2006-05-12</value>
      </expirationDate>
      <underlyingSecurity>
         <underlyingSecurityTitle>
           <value>Common Stock</value>
         </underlyingSecurityTitle>
         <underlyingSecurityShares>
           <value>6060</value>
         </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>6060</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
           <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeHolding>
   <derivativeHolding>
      <securityTitle>
         <value>Non-Qualified Stock Option (right to buy)</value>
      </securityTitle>
      <conversionOrExercisePrice>
         <value>58.625</value>
      </conversionOrExercisePrice>
      <exerciseDate>
         <value>2002-05-08</value>
      </exerciseDate>
      <expirationDate>
         <value>2011-05-08</value>
      </expirationDate>
      <underlyingSecurity>
         <underlyingSecurityTitle>
           <value>Common Stock</value>
         </underlyingSecurityTitle>
         <underlyingSecurityShares>
           <value>38296</value>
         </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>38296</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
           <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeHolding>
   <derivativeHolding>
      <securityTitle>
         <value>Non-Qualified Stock Option (right to buy)</value>
      </securityTitle>
      <conversionOrExercisePrice>
         <value>61.85</value>
      </conversionOrExercisePrice>
      <exerciseDate>
         <value>2003-05-14</value>
      </exerciseDate>
      <expirationDate>
         <value>2013-05-12</value>
      </expirationDate>
      <underlyingSecurity>
         <underlyingSecurityTitle>
           <value>Common Stock</value>
         </underlyingSecurityTitle>
         <underlyingSecurityShares>
           <value>41500</value>
         </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>41500</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
           <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeHolding>
   <derivativeHolding>
      <securityTitle>
         <value>Non-Qualified Stock Option (right to buy)</value>
      </securityTitle>
      <conversionOrExercisePrice>
         <value>64.5</value>
      </conversionOrExercisePrice>
      <exerciseDate>
         <value>2003-05-15</value>
      </exerciseDate>
      <expirationDate>
         <value>2012-05-14</value>
      </expirationDate>
      <underlyingSecurity>
         <underlyingSecurityTitle>
           <value>Common Stock</value>
         </underlyingSecurityTitle>
         <underlyingSecurityShares>
           <value>40000</value>
         </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>40000</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
           <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeHolding>
   <derivativeHolding>
      <securityTitle>
         <value>Non-Qualified Stock Option (right to buy)</value>
      </securityTitle>
      <conversionOrExercisePrice>
         <value>66.95</value>
      </conversionOrExercisePrice>
      <exerciseDate>
         <value>2003-10-04</value>
      </exerciseDate>
      <expirationDate>
         <value>2007-05-11</value>
      </expirationDate>
      <underlyingSecurity>
         <underlyingSecurityTitle>
           <value>Common Stock</value>
         </underlyingSecurityTitle>
         <underlyingSecurityShares>
           <value>6654</value>
         </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>6654</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
           <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeHolding>
   <derivativeHolding>
      <securityTitle>
         <value>Non-Qualified Stock Option (right to buy)</value>
      </securityTitle>
      <conversionOrExercisePrice>
         <value>66.95</value>
      </conversionOrExercisePrice>
      <exerciseDate>
         <value>2003-10-04</value>
      </exerciseDate>
      <expirationDate>
         <value>2008-05-12</value>
      </expirationDate>
      <underlyingSecurity>
         <underlyingSecurityTitle>
           <value>Common Stock</value>
         </underlyingSecurityTitle>
         <underlyingSecurityShares>
           <value>6032</value>
         </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>6032</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
           <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeHolding>
   <derivativeHolding>
      <securityTitle>
         <value>Non-Qualified Stock Option (right to buy)</value>
      </securityTitle>
      <conversionOrExercisePrice>
         <value>66.95</value>
      </conversionOrExercisePrice>
      <exerciseDate>
         <value>2003-10-04</value>
      </exerciseDate>
      <expirationDate>
         <value>2010-05-07</value>
      </expirationDate>
      <underlyingSecurity>
         <underlyingSecurityTitle>
           <value>Common Stock</value>
         </underlyingSecurityTitle>
         <underlyingSecurityShares>
           <value>14484</value>
         </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>14484</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
           <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeHolding>
 </derivativeTable>
   <footnotes>
      <footnote id="F1"> The directly-held common stock holding reported in Table I includes shares acquired during the fiscal year pursuant to 3M's General Employee Stock Purchase Plan.</footnote>

      <footnote id="F2"> Shares held in corporate custody as restricted shares and awarded under the applicable 3M Management Stock Ownership Program pursuant to Rule 16b-3(d) have been distributed to participant (including shares withheld for taxes) pursuant to the provisions of the Program.</footnote>

      <footnote id="F3"> On September 29, 2003, the common stock of 3M Company split 2-for-1. The shares of common stock reported on Table I and all options reported on Table II have been adjusted to reflect the split.</footnote>
   </footnotes>
   <ownerSignature>
      <signatureName>By: George Ann Biros For: David W. Powell</signatureName>
      <signatureDate>2003-10-27</signatureDate>
   </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----