<SEC-DOCUMENT>0001206774-17-000583.txt : 20170223
<SEC-HEADER>0001206774-17-000583.hdr.sgml : 20170223
<ACCEPTANCE-DATETIME>20170223183435
ACCESSION NUMBER:		0001206774-17-000583
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:			Dye John R
		CENTRAL INDEX KEY:			0001527437

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32903
		FILM NUMBER:		17634155

	MAIL ADDRESS:	
		STREET 1:		8200 JONES BRANCH DRIVE
		CITY:			MCLEAN
		STATE:			VA
		ZIP:			22102
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>dye3207061-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>0001527437</rptOwnerCik>
            <rptOwnerName>Dye John R</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, Secretary &amp; Gen. Counsel</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>10349</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.0000</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>110965.67</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>
