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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 NiN2jKrQ3uWXn9km1MwSLNTyahuxRYrbeslbH6ElYXi/K5OZxddfrZ7PjsSr1tBt
 VgI/lfx6lJQFP0PjSmWj3w==

<SEC-DOCUMENT>0000893750-09-000522.txt : 20091019
<SEC-HEADER>0000893750-09-000522.hdr.sgml : 20091019
<ACCEPTANCE-DATETIME>20091019212109
ACCESSION NUMBER:		0000893750-09-000522
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20091016
FILED AS OF DATE:		20091019
DATE AS OF CHANGE:		20091019

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			WESTERN ASSET MUNICIPAL PARTNERS FUND INC.
		CENTRAL INDEX KEY:			0000894351
		IRS NUMBER:				133694722
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		CITIGROUP ASSET MANAGEMENT
		STREET 2:		125 BROAD STREET, 10TH FLOOR, MF-2
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10004
		BUSINESS PHONE:		800-446-1013

	MAIL ADDRESS:	
		STREET 1:		CITIGROUP ASSET MANAGEMENT
		STREET 2:		125 BROAD STREET, 10TH FLOOR, MF-2
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10004

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	WETERN ASSET MUNICIPAL PARTNERS FUND INC.
		DATE OF NAME CHANGE:	20061010

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SALOMON BROTHERS MUNICIPAL PARTNERS FUND INC
		DATE OF NAME CHANGE:	20030505

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MUNICIPAL PARTNERS FUND INC
		DATE OF NAME CHANGE:	19930714

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SALACUSE JESWALD W
		CENTRAL INDEX KEY:			0001201879

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-07362
		FILM NUMBER:		091126874

	MAIL ADDRESS:	
		STREET 1:		1345 AVENUE OF AMERICAS
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10105
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4_ex.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-10-16</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000894351</issuerCik>
        <issuerName>WESTERN ASSET MUNICIPAL PARTNERS FUND INC.</issuerName>
        <issuerTradingSymbol>MNP</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001201879</rptOwnerCik>
            <rptOwnerName>SALACUSE JESWALD W</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>620 EIGHTH AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>49TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10018</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2009-10-16</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>200</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>13.146</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1086</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>/s/ William J. Renahan by Power of Attorney for Jeswald W. Salacuse</signatureName>
        <signatureDate>2009-10-19</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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