<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2011-03-01</periodOfReport>

    <dateOfOriginalSubmission>2011-03-01</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001170593</issuerCik>
        <issuerName>PRIMUS GUARANTY LTD</issuerName>
        <issuerTradingSymbol>PRS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001164098</rptOwnerCik>
            <rptOwnerName>TRANSAMERICA LIFE INSURANCE CO</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O AEGON USA INVESTMENT MANAGEMENT LLC</rptOwnerStreet1>
            <rptOwnerStreet2>4333 EDGEWOOD ROAD N.E.</rptOwnerStreet2>
            <rptOwnerCity>CEDAR RAPIDS</rptOwnerCity>
            <rptOwnerState>IA</rptOwnerState>
            <rptOwnerZipCode>52499-5335</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Deferred Shares</value>
            </securityTitle>
            <transactionDate>
                <value>2011-03-01</value>
                <footnoteId id="F1"/>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>3387</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>3.69</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>64952</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The purpose of this amendment is to revise the formatting and signature block of the original Form 4.  This transaction is neither new nor revised but is being reported again to gain access to the system.</footnote>
        <footnote id="F2">Includes 3,387 deferred shares issued to Thomas Hartlage, as a non-employee director of Primus Guaranty, Ltd. , on March 1, 2011, at the closing price as of June 30, 2010. In accordance with the reporting person's corporate policies or procedures, Mr. Hartlage ceded beneficial ownership of these 3,387 deferred shares awarded to him as director compensation to the reporting person. Such shares are fully vested in the hands of the reporting person.</footnote>
        <footnote id="F3">The total number of deferred shares beneficially owned by the reporting person includes 58,589 deferred shares granted to Mr. Hartlage and of which Mr. Hartlage ceded beneficial ownership to the reporting person prior to the date of the awards reported herein. Such shares are fully vested in the hands of the reporting person. The total excludes 5,582,585 shares directly beneficially owned by the reporting person.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Monty Jackson, Assistant Secretary of Transamerica Life Insurance Company</signatureName>
        <signatureDate>2011-03-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
