<SEC-DOCUMENT>0000903423-17-000689.txt : 20171116
<SEC-HEADER>0000903423-17-000689.hdr.sgml : 20171116
<ACCEPTANCE-DATETIME>20171116164306
ACCESSION NUMBER:		0000903423-17-000689
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20171115
FILED AS OF DATE:		20171116
DATE AS OF CHANGE:		20171116

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			KAYE CHARLES R
		CENTRAL INDEX KEY:			0001239318

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32426
		FILM NUMBER:		171208463

	MAIL ADDRESS:	
		STREET 1:		C/O WARBURG PINCUS LLC
		STREET 2:		450 LEXINGTON AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Landy Joseph P.
		CENTRAL INDEX KEY:			0001220638

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32426
		FILM NUMBER:		171208462

	MAIL ADDRESS:	
		STREET 1:		C/O WARBURG PINCUS LLC
		STREET 2:		450 LEXINGTON AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017

	FORMER NAME:	
		FORMER CONFORMED NAME:	LANDY JOSEPH
		DATE OF NAME CHANGE:	20030225

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WARBURG PINCUS XI (E&P) PARTNERS-B, L.P.
		CENTRAL INDEX KEY:			0001676974
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32426
		FILM NUMBER:		171208467

	BUSINESS ADDRESS:	
		STREET 1:		450 LEXINGTON AVE
		STREET 2:		C/O WARBURG PINCUS LLC
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
		BUSINESS PHONE:		2128780600

	MAIL ADDRESS:	
		STREET 1:		450 LEXINGTON AVE
		STREET 2:		C/O WARBURG PINCUS LLC
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017

	FORMER NAME:	
		FORMER CONFORMED NAME:	WARBURG PINCUS XI (E&P)PARTNERS-B, L.P.
		DATE OF NAME CHANGE:	20160613

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WARBURG PINCUS PRIVATE EQUITY (LEXINGTON) XI-A, L.P.
		CENTRAL INDEX KEY:			0001676982
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32426
		FILM NUMBER:		171208470

	BUSINESS ADDRESS:	
		STREET 1:		450 LEXINGTON AVE
		STREET 2:		C/O WARBURG PINCUS LLC
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
		BUSINESS PHONE:		2128780600

	MAIL ADDRESS:	
		STREET 1:		450 LEXINGTON AVE
		STREET 2:		C/O WARBURG PINCUS LLC
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WARBURG PINCUS XI (LEXINGTON) PARTNERS-A, L.P.
		CENTRAL INDEX KEY:			0001676981
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32426
		FILM NUMBER:		171208468

	BUSINESS ADDRESS:	
		STREET 1:		450 LEXINGTON AVE
		STREET 2:		C/O WARBURG PINCUS LLC
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
		BUSINESS PHONE:		2128780600

	MAIL ADDRESS:	
		STREET 1:		450 LEXINGTON AVE
		STREET 2:		C/O WARBURG PINCUS LLC
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Mustang HoldCo II LLC
		CENTRAL INDEX KEY:			0001611226
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32426
		FILM NUMBER:		171208471

	BUSINESS ADDRESS:	
		STREET 1:		C/O WARBURG PINCUS LLC
		STREET 2:		450 LEXINGTON AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
		BUSINESS PHONE:		212-878-0600

	MAIL ADDRESS:	
		STREET 1:		C/O WARBURG PINCUS LLC
		STREET 2:		450 LEXINGTON AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017

	FORMER NAME:	
		FORMER CONFORMED NAME:	Mustang HoldCo 1 LLC
		DATE OF NAME CHANGE:	20140618

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WP MUSTANG CO-INVEST LLC
		CENTRAL INDEX KEY:			0001677111
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32426
		FILM NUMBER:		171208466

	BUSINESS ADDRESS:	
		STREET 1:		450 LEXINGTON AVE
		STREET 2:		C/O WARBURG PINCUS LLC
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
		BUSINESS PHONE:		2128780600

	MAIL ADDRESS:	
		STREET 1:		450 LEXINGTON AVE
		STREET 2:		C/O WARBURG PINCUS LLC
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WP MUSTANG CO-INVEST-B L.P.
		CENTRAL INDEX KEY:			0001678060
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32426
		FILM NUMBER:		171208465

	BUSINESS ADDRESS:	
		STREET 1:		450 LEXINGTON AVENUE
		STREET 2:		C/O WARBURG PINCUS LLC
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
		BUSINESS PHONE:		2128780600

	MAIL ADDRESS:	
		STREET 1:		450 LEXINGTON AVENUE
		STREET 2:		C/O WARBURG PINCUS LLC
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WP MUSTANG CO-INVEST-C L.P.
		CENTRAL INDEX KEY:			0001677007
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32426
		FILM NUMBER:		171208464

	BUSINESS ADDRESS:	
		STREET 1:		450 LEXINGTON AVE
		STREET 2:		C/O WARBURG PINCUS LLC
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
		BUSINESS PHONE:		2128780600

	MAIL ADDRESS:	
		STREET 1:		450 LEXINGTON AVE
		STREET 2:		C/O WARBURG PINCUS LLC
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WP (LEXINGTON) HOLDINGS II, L.P.
		CENTRAL INDEX KEY:			0001678392
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32426
		FILM NUMBER:		171208469

	BUSINESS ADDRESS:	
		STREET 1:		450 LEXINGTON AVENUE
		STREET 2:		C/O WARBURG PINCUS LLC
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
		BUSINESS PHONE:		2128780600

	MAIL ADDRESS:	
		STREET 1:		450 LEXINGTON AVENUE
		STREET 2:		C/O WARBURG PINCUS LLC
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			WEX Inc.
		CENTRAL INDEX KEY:			0001309108
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-BUSINESS SERVICES, NEC [7389]
		IRS NUMBER:				010526993
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		97 DARLING AVENUE
		CITY:			SOUTH PORTLAND
		STATE:			ME
		ZIP:			04106
		BUSINESS PHONE:		(207) 773-8171

	MAIL ADDRESS:	
		STREET 1:		97 DARLING AVENUE
		CITY:			SOUTH PORTLAND
		STATE:			ME
		ZIP:			04106

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Wright Express CORP
		DATE OF NAME CHANGE:	20041118
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wp1wex.xml
<DESCRIPTION>OWNERSHIP DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2017-11-15</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0001309108</issuerCik>
        <issuerName>WEX Inc.</issuerName>
        <issuerTradingSymbol>WEX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001611226</rptOwnerCik>
            <rptOwnerName>Mustang HoldCo II LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O WARBURG PINCUS LLC</rptOwnerStreet1>
            <rptOwnerStreet2>450 LEXINGTON AVENUE</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10017</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001676982</rptOwnerCik>
            <rptOwnerName>WARBURG PINCUS PRIVATE EQUITY (LEXINGTON) XI-A, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O WARBURG PINCUS LLC</rptOwnerStreet1>
            <rptOwnerStreet2>450 LEXINGTON AVENUE</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10017</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001678392</rptOwnerCik>
            <rptOwnerName>WP (LEXINGTON) HOLDINGS II, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O WARBURG PINCUS LLC</rptOwnerStreet1>
            <rptOwnerStreet2>450 LEXINGTON AVENUE</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10017</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001676981</rptOwnerCik>
            <rptOwnerName>WARBURG PINCUS XI (LEXINGTON) PARTNERS-A, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O WARBURG PINCUS LLC</rptOwnerStreet1>
            <rptOwnerStreet2>450 LEXINGTON AVENUE</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10017</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001676974</rptOwnerCik>
            <rptOwnerName>WARBURG PINCUS XI (E&amp;P) PARTNERS-B, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O WARBURG PINCUS LLC</rptOwnerStreet1>
            <rptOwnerStreet2>450 LEXINGTON AVENUE</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10017</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001677111</rptOwnerCik>
            <rptOwnerName>WP MUSTANG CO-INVEST LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O WARBURG PINCUS LLC</rptOwnerStreet1>
            <rptOwnerStreet2>450 LEXINGTON AVENUE</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10017</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001678060</rptOwnerCik>
            <rptOwnerName>WP MUSTANG CO-INVEST-B L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O WARBURG PINCUS LLC</rptOwnerStreet1>
            <rptOwnerStreet2>450 LEXINGTON AVENUE</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10017</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001677007</rptOwnerCik>
            <rptOwnerName>WP MUSTANG CO-INVEST-C L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O WARBURG PINCUS LLC</rptOwnerStreet1>
            <rptOwnerStreet2>450 LEXINGTON AVENUE</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10017</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001239318</rptOwnerCik>
            <rptOwnerName>KAYE CHARLES R</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O WARBURG PINCUS LLC</rptOwnerStreet1>
            <rptOwnerStreet2>450 LEXINGTON AVENUE</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10017</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001220638</rptOwnerCik>
            <rptOwnerName>Landy Joseph P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O WARBURG PINCUS LLC</rptOwnerStreet1>
            <rptOwnerStreet2>450 LEXINGTON AVENUE</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10017</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, $0.01 par value per share (&quot;Common Stock&quot;)</value>
            </securityTitle>
            <transactionDate>
                <value>2017-11-15</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>177207</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>120</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                    <footnoteId id="F6"/>
                    <footnoteId id="F7"/>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                    <footnoteId id="F6"/>
                    <footnoteId id="F7"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">This Form 4 is being filed in connection with the sale of shares (the &quot;Sale&quot;) of Common Stock of WEX Inc. (the &quot;Issuer&quot;) by Mustang HoldCo II LLC (&quot;Mustang Holdco II&quot;).</footnote>
        <footnote id="F2">The unitholders of Mustang Holdco II are Warburg Pincus Private Equity (Lexington) XI - A, L.P. (&quot;WP XI Lexington-A&quot;), WP (Lexington) Holdings II, L.P. (&quot;WP Lexington II&quot;), Warburg Pincus XI (Lexington) Partners - A, L.P. (&quot;WP XI Lexington Partners-A&quot;), Warburg Pincus XI (E&amp;P) Partners - B, L.P. (&quot;WP XI E&amp;P Partners-B&quot;), WP Mustang Co-Invest LLC (&quot;WP Co-Invest LLC&quot;), WP Mustang Co-Invest-B L.P. (&quot;WP Co-Invest-B&quot;), and WP Mustang Co-Invest-C L.P. (&quot;WP Co-Invest-C&quot;).</footnote>
        <footnote id="F3">WP Lexington II is the managing member of Mustang Holdco II. Warburg Pincus (E&amp;P) XI, L.P. (&quot;WP E&amp;P XI GP&quot;) is (i) the general partner of WP XI Lexington-A, WP Lexington II, WP XI Lexington Partners-A, and WP XI E&amp;P Partners-B, and (ii) the managing member of WP Co-Invest LLC. Warburg Pincus (E&amp;P) XI LLC (&quot;WP E&amp;P XI LLC&quot;) is the general partner of WP E&amp;P XI GP. Warburg Pincus Partners (E&amp;P) XI LLC (&quot;WPP E&amp;P XI&quot;) is the sole member of WP E&amp;P XI LLC. Warburg Pincus Partners II (US), L.P. (&quot;WP Partners II US&quot;) is the managing member of WPP E&amp;P XI. Warburg Pincus &amp; Company US, LLC (&quot;WP &amp; Company US&quot;) is the general partner of WP Partners II US. Warburg Pincus LLC (&quot;WP LLC&quot;) is the manager of WP XI Lexington-A, WP Lexington II, WP XI Lexington Partners-A, and WP XI E&amp;P Partners-B.</footnote>
        <footnote id="F4">Warburg Pincus (Bermuda) XI, Ltd. (&quot;WP Bermuda XI&quot;) is the general partner of WP Co-Invest-B and WP Co-Invest-C. Warburg Pincus Partners II (Cayman), L.P. (&quot;WPP II Cayman&quot;) is the sole shareholder of WP Bermuda XI. Warburg Pincus (Bermuda) Private Equity GP Ltd. (&quot;WP Bermuda GP&quot;) is the general partner of WPP II Cayman. Mustang Holdco II, WP XI Lexington-A, WP Lexington II, WP XI Lexington Partners-A, WP XI E&amp;P Partners-B, WP Co-Invest LLC, WP Co-Invest-B, WP Co-Invest-C, WP E&amp;P XI GP, WP E&amp;P XI LLC, WPP E&amp;P XI, WP Partners II US, WP &amp; Company US, WP Bermuda XI, WPP II Cayman, WP Bermuda GP, and WP LLC are collectively referred to herein as the &quot;Warburg Pincus Entities&quot;).</footnote>
        <footnote id="F5">Charles R. Kaye and Joseph P. Landy each are the Managing Members of WP &amp; Company US, the Co-Chairmen and sole Directors of WP Bermuda GP, and the Managing Members and Co-Chief Executive Officers of WP LLC and, as such, may be deemed to control each of the Warburg Pincus Entities. Messrs. Kaye and Landy disclaimed beneficial ownership of all shares of Common Stock of the Issuer held by the Warburg Pincus Entities. Messrs. Kaye and Landy together with the Warburg Pincus Entities are collectively referred to herein as the &quot;Warburg Pincus Reporting Persons&quot;. Information with respect to each of the Warburg Pincus Reporting Persons is given solely by such Warburg Pincus Reporting Person, and no Warburg Pincus Reporting Person has responsibility for the accuracy or completeness of information supplied by another Warburg Pincus Reporting Person.</footnote>
        <footnote id="F6">By reason of the provisions of Rule 16a-1 of the Exchange Act, prior to the date of the Sale, the Warburg Pincus Reporting Persons may have been deemed to be beneficial owners of the 177,207 shares of Common Stock of the Issuer held by Mustang Holdco II. The Warburg Pincus Reporting Persons disclaimed beneficial ownership of such shares of Common Stock of the Issuer except to the extent of their direct pecuniary interest therein. As of the date of this filing, this Form 4 shall not be deemed an admission that any reporting person or any other person referred to herein was a beneficial owner of any securities of the Issuer for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the &quot;Exchange Act&quot;), or for any other purpose, or that any reporting person or other person has an obligation to file this Form 4.</footnote>
        <footnote id="F7">This filing constitutes a Form 4 exit filing for the Warburg Pincus Reporting Persons.</footnote>
    </footnotes>

    <remarks>(A) Solely for purposes of Section 16 of the Exchange Act, prior to the date of the Sale, each of the Warburg Pincus Reporting Persons may have been deemed directors-by-deputization by virtue of certain Warburg Pincus Reporting Persons' (and certain affiliates of WP LLC to whom shares of Common Stock of the Issuer are transferred) contractual right to appoint a director to the board of directors of the Issuer. As a result, the &quot;Director&quot; box is marked in Item 5 of this Form 4. (B) Due to the limitations on the number of Reporting Persons allowed on each Form 4, WP E&amp;P XI GP, WP E&amp;P XI LLC, WPP E&amp;P XI, WP Partners II US, WP &amp; Company US, WP Bermuda XI, WPP II Cayman, WP Bermuda GP, and WP LLC are filing a separate Form 4. (C) Entity names in the signature blocks have been abbreviated. Please refer to Notes (1), (2), (3), and (4) of this Form 4 for the complete legal name of such entities.

*The Powers of Attorney given by each of Mr. Kaye and Mr. Landy were previously filed with the SEC on July 11, 2016 (with a revised filing date of July 12, 2016) as exhibits 99.2 and 99.3 to the statement on Schedule 13D filed by WP LLC with respect to the Issuer and are hereby incorporated by reference.</remarks>

    <ownerSignature>
        <signatureName>MUSTANG HOLDCO II /s/ James Neary, President</signatureName>
        <signatureDate>2017-11-16</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>WP XI LEXINGTON-A By: WP E&amp;P XI GP, its general partner (&quot;GP&quot;), By: WP E&amp;P XI LLC, its GP, By: WPP E&amp;P XI, its sole member, By: WP Partners II US, its managing member, By: WP &amp; Company US, its GP, By: /s/ Steven G. Glenn, Authorized Signatory</signatureName>
        <signatureDate>2017-11-16</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>WP LEXINGTON II By: WP E&amp;P XI GP, its GP, By: WP E&amp;P XI LLC, its GP, By: WPP E&amp;P XI, its sole member, By: WP Partners II US, its managing member, By: WP &amp; Company US, its GP, By: /s/ Steven G. Glenn, Authorized Signatory</signatureName>
        <signatureDate>2017-11-16</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>WP XI LEXINGTON PARTNERS-A By: WP E&amp;P XI GP, its GP, By: WP E&amp;P XI LLC, its GP, By: WPP E&amp;P XI, its sole member, By: WP Partners II US, its managing member, By: WP &amp; Company US, its GP, By: /s/ Steven G. Glenn, Authorized Signatory</signatureName>
        <signatureDate>2017-11-16</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>WP XI E&amp;P PARTNERS-B By: WP E&amp;P XI GP, its GP, By: WP E&amp;P XI LLC, its GP, By: WPP E&amp;P XI, its sole member, By: WP Partners II US, its managing member, By: WP &amp; Company US, its GP, By: /s/ Steven G. Glenn, Authorized Signatory</signatureName>
        <signatureDate>2017-11-16</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>WP CO-INVEST LLC By: WP E&amp;P XI GP, its managing member, By: WP E&amp;P XI LLC, its GP, By: WPP E&amp;P XI, its sole member, By: WP Partners II US, its managing member, By: WP &amp; Company US, its GP, By; Steven G. Glenn, Authorized Signatory</signatureName>
        <signatureDate>2017-11-16</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>WP CO-INVEST-B By: WP Bermuda XI, its GP, By /s/ Steven G. Glenn, Authorised Signatory</signatureName>
        <signatureDate>2017-11-16</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>WP CO-INVEST-C By: WP Bermuda XI, its GP, By: /s/ Steven G. Glenn, Authorised Signatory</signatureName>
        <signatureDate>2017-11-16</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>CHARLES R. KAYE By: /s/ Steven G. Glenn, Attorney-in-Fact*</signatureName>
        <signatureDate>2017-11-16</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>JOSEPH P. LANDY By: /s/ Steven G. Glenn, Attorney-in-Fact*</signatureName>
        <signatureDate>2017-11-16</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
