<SEC-DOCUMENT>0001181431-12-015007.txt : 20120307
<SEC-HEADER>0001181431-12-015007.hdr.sgml : 20120307
<ACCEPTANCE-DATETIME>20120307062002
ACCESSION NUMBER:		0001181431-12-015007
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20120306
FILED AS OF DATE:		20120307
DATE AS OF CHANGE:		20120307

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Hartley Andrew
		CENTRAL INDEX KEY:			0001319936

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13879
		FILM NUMBER:		12672422

	MAIL ADDRESS:	
		STREET 1:		THE HAYLOFT, BEAR'S HEAD FARM,
		STREET 2:		NEWCASTLE ROAD, SMALLWOOD,
		CITY:			CHESHIRE
		STATE:			X0
		ZIP:			CW11 2GB

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			INNOSPEC INC.
		CENTRAL INDEX KEY:			0001054905
		STANDARD INDUSTRIAL CLASSIFICATION:	CHEMICALS & ALLIED PRODUCTS [2800]
		IRS NUMBER:				981081725
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		8375 SOUTH WILLOW STREET
		CITY:			LITTLETON
		STATE:			CO
		ZIP:			80124
		BUSINESS PHONE:		303-792-5554

	MAIL ADDRESS:	
		STREET 1:		8375 SOUTH WILLOW STREET
		CITY:			LITTLETON
		STATE:			CO
		ZIP:			80124

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	OCTEL CORP
		DATE OF NAME CHANGE:	19980209
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rrd337389.xml
<DESCRIPTION>FORM 4 - ANDREW HARTLEY
<TEXT>
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    <periodOfReport>2012-03-06</periodOfReport>

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        <issuerName>INNOSPEC INC.</issuerName>
        <issuerTradingSymbol>IOSP</issuerTradingSymbol>
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            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>LITTLETON</rptOwnerCity>
            <rptOwnerState>CO</rptOwnerState>
            <rptOwnerZipCode>80124</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>VP &amp; General Counsel</officerTitle>
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                    <value>558</value>
                    <footnoteId id="F4"/>
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                <transactionPricePerShare>
                    <value>10</value>
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                <transactionAcquiredDisposedCode>
                    <value>A</value>
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            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>11063</value>
                </sharesOwnedFollowingTransaction>
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                <directOrIndirectOwnership>
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                <transactionPricePerShare>
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                <sharesOwnedFollowingTransaction>
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                    <value>D</value>
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    <derivativeTable>
        <derivativeTransaction>
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                <value>Stock Options</value>
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                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
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            <exerciseDate>
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            <expirationDate>
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            <underlyingSecurity>
                <underlyingSecurityTitle>
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                <sharesOwnedFollowingTransaction>
                    <value>7908</value>
                </sharesOwnedFollowingTransaction>
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                <directOrIndirectOwnership>
                    <value>D</value>
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                <transactionShares>
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                <transactionPricePerShare>
                    <value>0</value>
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                    <value>D</value>
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    <footnotes>
        <footnote id="F1">Pursuant to Clause 17 of the Rules of the Innospec Inc Performance Related Stock Option Plan, a cash payment is being made to Andrew Hartley in lieu of the transfer of the remaining 218 shares to enable him to pay UK withholding tax obligations in respect of the exercise of options.</footnote>
        <footnote id="F2">Pursuant to Clause 17 of the Rules of the Innospec Inc Company Stock Option Plan A, a cash payment is being made to Andrew Hartley in lieu of the transfer of the remaining 965 shares to enable him to pay the acquisition price in respect of the exercise of options.</footnote>
        <footnote id="F3">Pursuant to Clause 17 of the Rules of the Innospec Inc Company Stock Option Plan B, a cash payment is being made to Andrew Hartley in lieu of the transfer of the remaining 1,703 shares to enable him to pay the acquisition price and UK withholding tax obligations in respect of the exercise of options.</footnote>
        <footnote id="F4">Pursuant to Clause 17 of the Rules of the Innospec Inc Company Stock Option Plan B, a cash payment is being made to Andrew Hartley in lieu of the transfer of the remaining 1,200 shares to enable him to pay the acquisition price and UK withholding tax obligations in respect of the exercise of options.</footnote>
        <footnote id="F5">Pursuant to Clause 12 of the Rules of the Innospec Inc Company Stock Option Plan B, a cash payment is being made to Andrew Hartley in lieu of the transfer of the remaining 4,115 shares to enable him to pay the acquisition price and UK withholding tax obligations in respect of the exercise of options.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Nicola Earl</signatureName>
        <signatureDate>2012-03-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</SEC-DOCUMENT>
