-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 FLhRMR53+SCj9ndLIkTA4TVWUidp9enbmqL1JETDxq7lNRG2hEzB2TlAXLUF2+dy
 FrevOE51dn7HqyxLaL9/Mg==

<SEC-DOCUMENT>0001181431-10-006553.txt : 20100204
<SEC-HEADER>0001181431-10-006553.hdr.sgml : 20100204
<ACCEPTANCE-DATETIME>20100204094918
ACCESSION NUMBER:		0001181431-10-006553
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100202
FILED AS OF DATE:		20100204
DATE AS OF CHANGE:		20100204

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			FREDERICO DOMINIC
		CENTRAL INDEX KEY:			0001072524

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32141
		FILM NUMBER:		10572692

	MAIL ADDRESS:	
		STREET 1:		ACE LTD
		STREET 2:		ACE BLDG 30 WOODBOURNE AVE HAMILTON BER

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ASSURED GUARANTY LTD
		CENTRAL INDEX KEY:			0001273813
		STANDARD INDUSTRIAL CLASSIFICATION:	SURETY INSURANCE [6351]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			D0

	BUSINESS ADDRESS:	
		STREET 1:		30 WOOD BOURNE AVE
		CITY:			HAMILTON BERMUDA
		STATE:			D0
		ZIP:			0000
		BUSINESS PHONE:		441-279-5700

	MAIL ADDRESS:	
		STREET 1:		30 WOOD BOURNE AVE
		CITY:			HAMILTON BERMUDA
		STATE:			D0
		ZIP:			0000

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AGR LTD
		DATE OF NAME CHANGE:	20040122

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AGC HOLDINGS LTD
		DATE OF NAME CHANGE:	20031218
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rrd264773.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-02-02</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001273813</issuerCik>
        <issuerName>ASSURED GUARANTY LTD</issuerName>
        <issuerTradingSymbol>AGO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001072524</rptOwnerCik>
            <rptOwnerName>FREDERICO DOMINIC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>30 WOODBOURNE AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>HAMILTON</rptOwnerCity>
            <rptOwnerState>D0</rptOwnerState>
            <rptOwnerZipCode>HM08</rptOwnerZipCode>
            <rptOwnerStateDescription>BERMUDA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Deputy Chairman/President/CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Shares</value>
            </securityTitle>
            <transactionDate>
                <value>2010-02-02</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>8138</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>22.97</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>840458.0746</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Shares</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>9400</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Wife</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Shares</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>200</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Daughter</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Common Shares being withheld to pay tax liability.</footnote>
        <footnote id="F2">Total includes 929.2798 shares purchased on December 31, 2009, pursuant to the Assured Guaranty Ltd. Stock Purchase Plan which meets the requirements of Rule 16b-3.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>By: James M. Michener  Attorney-in-fact</signatureName>
        <signatureDate>2010-02-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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