<SEC-DOCUMENT>0001206774-17-000578.txt : 20170223
<SEC-HEADER>0001206774-17-000578.hdr.sgml : 20170223
<ACCEPTANCE-DATETIME>20170223182916
ACCESSION NUMBER:		0001206774-17-000578
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20170221
FILED AS OF DATE:		20170223
DATE AS OF CHANGE:		20170223

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Western Union CO
		CENTRAL INDEX KEY:			0001365135
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-BUSINESS SERVICES, NEC [7389]
		IRS NUMBER:				204531180
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		12500 EAST BELFORD AVENUE
		CITY:			ENGLEWOOD
		STATE:			CO
		ZIP:			80112
		BUSINESS PHONE:		(720) 332-3361

	MAIL ADDRESS:	
		STREET 1:		12500 EAST BELFORD AVENUE
		CITY:			ENGLEWOOD
		STATE:			CO
		ZIP:			80112

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Thompson John David
		CENTRAL INDEX KEY:			0001423891

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32903
		FILM NUMBER:		17634128

	MAIL ADDRESS:	
		STREET 1:		SYMANTEC CORPORATION
		STREET 2:		350 ELLIS STREET
		CITY:			MOUNTAIN VIEW
		STATE:			CA
		ZIP:			94043
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>thompson3207061-form4.xml
<DESCRIPTION>STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2017-02-21</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001365135</issuerCik>
        <issuerName>Western Union CO</issuerName>
        <issuerTradingSymbol>WU</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001423891</rptOwnerCik>
            <rptOwnerName>Thompson John David</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>THE WESTERN UNION COMPANY</rptOwnerStreet1>
            <rptOwnerStreet2>12500 EAST BELFORD AVENUE</rptOwnerStreet2>
            <rptOwnerCity>ENGLEWOOD</rptOwnerCity>
            <rptOwnerState>CO</rptOwnerState>
            <rptOwnerZipCode>80112</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>EVP and CIO</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2017-02-21</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>12620</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.0000</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>154886.36</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Restricted stock unit award which vests in full on February 21, 2020, if: (1) the Company achieves not less than $1.5 billion of combined operating income during the period beginning January 1, 2017 and ending December 31, 2019, as determined by the Compensation and Benefits Committee of the Company's Board of Directors based on the Company's 2017, 2018 and 2019 financial statements; and (2) the reporting person is employed by the Company on such vesting date (or as otherwise provided in the Company's Severance-Change In Control Policy (Executive Committee Level)).</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Darren Dragovich, as Attorney-in-Fact</signatureName>
        <signatureDate>2017-02-23</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
