<SEC-DOCUMENT>0001209191-12-011065.txt : 20120217
<SEC-HEADER>0001209191-12-011065.hdr.sgml : 20120217
<ACCEPTANCE-DATETIME>20120217121051
ACCESSION NUMBER:		0001209191-12-011065
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20120215
FILED AS OF DATE:		20120217
DATE AS OF CHANGE:		20120217

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MITSUI & CO USA INC
		CENTRAL INDEX KEY:			0001283674
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35155
		FILM NUMBER:		12621645

	MAIL ADDRESS:	
		STREET 1:		200 PARK AVE
		STREET 2:		STE 600
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10166-0130

	FORMER NAME:	
		FORMER CONFORMED NAME:	MITUSI CO USA INC
		DATE OF NAME CHANGE:	20040315

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BOINGO WIRELESS INC
		CENTRAL INDEX KEY:			0001169988
		STANDARD INDUSTRIAL CLASSIFICATION:	COMMUNICATION SERVICES, NEC [4899]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE

	BUSINESS ADDRESS:	
		STREET 1:		10960 WILSHIRE BLVD., SUITE 800
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90024
		BUSINESS PHONE:		310-586-5180

	MAIL ADDRESS:	
		STREET 1:		10960 WILSHIRE BLVD., SUITE 800
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90024

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MITSUI & CO LTD
		CENTRAL INDEX KEY:			0000067099
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-PETROLEUM & PETROLEUM PRODUCTS (NO BULK STATIONS) [5172]
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35155
		FILM NUMBER:		12621646

	BUSINESS ADDRESS:	
		STREET 1:		2-1 OTEMACHI 1 CHOME
		STREET 2:		CHIYODA-KU
		CITY:			TOKYO
		STATE:			M0
		ZIP:			100-0004
		BUSINESS PHONE:		81-3-3285-7910

	MAIL ADDRESS:	
		STREET 1:		2-1 OTEMACHI 1 CHOME
		STREET 2:		CHIYODA-KU
		CITY:			TOKYO
		STATE:			M0
		ZIP:			100-0004

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MCVP Holding, Inc.
		CENTRAL INDEX KEY:			0001457994
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35155
		FILM NUMBER:		12621644

	BUSINESS ADDRESS:	
		STREET 1:		200 PARK AVE., 36TH FL
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10166
		BUSINESS PHONE:		212-878-4066

	MAIL ADDRESS:	
		STREET 1:		200 PARK AVE., 36TH FL
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10166

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Mitsui & Co. Global Investment, Inc.
		CENTRAL INDEX KEY:			0001519520
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35155
		FILM NUMBER:		12621642

	BUSINESS ADDRESS:	
		STREET 1:		200 PARK AVE.
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10166
		BUSINESS PHONE:		858-436-8000

	MAIL ADDRESS:	
		STREET 1:		200 PARK AVE.
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10166

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Corporate Development Fund of Mitsui & Co., Ltd.
		CENTRAL INDEX KEY:			0001519555
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35155
		FILM NUMBER:		12621643

	BUSINESS ADDRESS:	
		STREET 1:		200 PARK AVE.
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10166
		BUSINESS PHONE:		858-436-8000

	MAIL ADDRESS:	
		STREET 1:		200 PARK AVE.
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10166

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Mitsui & Co. Global Investment Ltd.
		CENTRAL INDEX KEY:			0001541933
		STATE OF INCORPORATION:			M0
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35155
		FILM NUMBER:		12621641

	BUSINESS ADDRESS:	
		STREET 1:		NIHON KEIZAI SHIMBUN, TOKYO HEADQUARTERS
		STREET 2:		8TH FLOOR, 1-3-7 OTEMACHI, CHIYODA-KU
		CITY:			TOKYO
		STATE:			M0
		ZIP:			100-0004
		BUSINESS PHONE:		81-03-3285-3124

	MAIL ADDRESS:	
		STREET 1:		NIHON KEIZAI SHIMBUN, TOKYO HEADQUARTERS
		STREET 2:		8TH FLOOR, 1-3-7 OTEMACHI, CHIYODA-KU
		CITY:			TOKYO
		STATE:			M0
		ZIP:			100-0004

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Mitsui & Co. Principal Investments Ltd.
		CENTRAL INDEX KEY:			0001541934
		STATE OF INCORPORATION:			M0
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35155
		FILM NUMBER:		12621640

	BUSINESS ADDRESS:	
		STREET 1:		NIHON KEIZAI SHIMBUN, TOKYO HEADQUARTERS
		STREET 2:		8TH FLOOR, 1-3-7 OTEMACHI, CHIYODA-KU
		CITY:			TOKYO
		STATE:			M0
		ZIP:			100-0004
		BUSINESS PHONE:		81-03-3285-3260

	MAIL ADDRESS:	
		STREET 1:		NIHON KEIZAI SHIMBUN, TOKYO HEADQUARTERS
		STREET 2:		8TH FLOOR, 1-3-7 OTEMACHI, CHIYODA-KU
		CITY:			TOKYO
		STATE:			M0
		ZIP:			100-0004

	FORMER NAME:	
		FORMER CONFORMED NAME:	Mitsui & Co. Principal Investmenst Ltd.
		DATE OF NAME CHANGE:	20120209
</SEC-HEADER>
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    <periodOfReport>2012-02-15</periodOfReport>

    <issuer>
        <issuerCik>0001169988</issuerCik>
        <issuerName>BOINGO WIRELESS INC</issuerName>
        <issuerTradingSymbol>WIFI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000067099</rptOwnerCik>
            <rptOwnerName>MITSUI &amp; CO LTD</rptOwnerName>
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        <reportingOwnerAddress>
            <rptOwnerStreet1>2-1, OHTEMACHI 1-CHOME</rptOwnerStreet1>
            <rptOwnerStreet2>CHIYODA-KU</rptOwnerStreet2>
            <rptOwnerCity>TOKYO</rptOwnerCity>
            <rptOwnerState>M0</rptOwnerState>
            <rptOwnerZipCode>100-0004</rptOwnerZipCode>
            <rptOwnerStateDescription>JAPAN</rptOwnerStateDescription>
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            <isOther>0</isOther>
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    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001283674</rptOwnerCik>
            <rptOwnerName>MITSUI &amp; CO USA INC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>200 PARK AVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10166</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001457994</rptOwnerCik>
            <rptOwnerName>MCVP Holding, Inc.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>200 PARK AVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10166</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001519555</rptOwnerCik>
            <rptOwnerName>Corporate Development Fund of Mitsui &amp; Co., Ltd.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>NIHON KEIZAI SHIMBUN, THB
8TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2>1-3-7 OTEMACHI
CHIYODA-KU</rptOwnerStreet2>
            <rptOwnerCity>TOKYO</rptOwnerCity>
            <rptOwnerState>M0</rptOwnerState>
            <rptOwnerZipCode>100-0004</rptOwnerZipCode>
            <rptOwnerStateDescription>JAPAN</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
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    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001519520</rptOwnerCik>
            <rptOwnerName>Mitsui &amp; Co. Global Investment, Inc.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>535 MIDDLEFIELD ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MENLO PARK</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94025</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001541933</rptOwnerCik>
            <rptOwnerName>Mitsui &amp; Co. Global Investment Ltd.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>NIHON KEIZAI SHIMBUN, THB
8TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2>1-3-7 OTEMACHI
CHIYODA-KU</rptOwnerStreet2>
            <rptOwnerCity>TOKYO</rptOwnerCity>
            <rptOwnerState>M0</rptOwnerState>
            <rptOwnerZipCode>100-0004</rptOwnerZipCode>
            <rptOwnerStateDescription>JAPAN</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
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    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001541934</rptOwnerCik>
            <rptOwnerName>Mitsui &amp; Co. Principal Investments Ltd.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>NIHON KEIZAI SHIMBUN, THB
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            <rptOwnerStreet2>1-3-7 OTEMACHI
CHIYODA-KU</rptOwnerStreet2>
            <rptOwnerCity>TOKYO</rptOwnerCity>
            <rptOwnerState>M0</rptOwnerState>
            <rptOwnerZipCode>100-0004</rptOwnerZipCode>
            <rptOwnerStateDescription>JAPAN</rptOwnerStateDescription>
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        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2012-02-15</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>770</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>9.1939</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>10473</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Mitsui &amp; Co. Global Investment, Inc.</value>
                    <footnoteId id="F3"/>
                    <footnoteId id="F5"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2012-02-15</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>8096</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>9.1939</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>110044</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>MCVP Holding, Inc.</value>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2012-02-16</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1184</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>9.3933</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>9289</value>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Mitsui &amp; Co. Global Investment, Inc.</value>
                    <footnoteId id="F3"/>
                    <footnoteId id="F5"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
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            <transactionDate>
                <value>2012-02-16</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>12444</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>9.3933</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>97600</value>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>MCVP Holding, Inc.</value>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
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    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The prices reported in Column 4 are weighted average prices.  The shares were sold in multiple transactions at prices ranging from $9.10 to $9.28, inclusive.  The reporting person undertakes to provide to Boingo Wireless, Inc., any security holder of Boingo Wireless, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (1) to this Form 4.</footnote>
        <footnote id="F2">The prices reported in Column 4 are weighted average prices.  The shares were sold in multiple transactions at prices ranging from $9.29 to $9.45, inclusive.  The reporting person undertakes to provide to Boingo Wireless, Inc., any security holder of Boingo Wireless, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2) to this Form 4.</footnote>
        <footnote id="F3">The reported securities are owned directly by Mitsui &amp; Co. Global Investment, Inc., which is a wholly owned subsidiary of Mitsui &amp; Co. Global Investment Ltd., which is a wholly owned subsidiary of Mitsui &amp; Co. Ltd.  Accordingly, Mitsui &amp; Co. Global Investment Ltd. and Mitsui &amp; Co. Ltd. may be deemed to be the beneficial owner of the shares of Common Stock owned by Mitsui &amp; Co. Global Investment, Inc.</footnote>
        <footnote id="F4">The reported securities are owned directly by MCVP Holding, Inc., which is a wholly owned subsidiary of Mitsui &amp; Co. Ltd.  Accordingly, Mitsui &amp; Co. Ltd. may be deemed to be the beneficial owner of the shares of Common Stock owned by MCVP Holding, Inc.</footnote>
        <footnote id="F5">Mitsui &amp; Co. Ltd. is the direct 100% owner of Mitsui &amp; Co. (U.S.A.), Inc., who directly owns 3,348,076 shares of Common Stock.  Corporate Development Fund of Mitsui &amp; Co. Ltd., who directly owns 2,520,998 shares of Common Stock, is 99% directly owned by Mitsui &amp; Co. Ltd. and 1% directly owned by Mitsui &amp; Co. Principal Investments Ltd., who has managing authority over Corporate Development Fund of Mitsui &amp; Co. Ltd.  Accordingly, Mitsui &amp; Co. Principal Investments Ltd., Mitsui &amp; Co. Global Investment Ltd. and Mitsui &amp; Co. Ltd. may be deemed to be the beneficial owners of the shares of Common Stock held by Mitsui &amp; Co. (U.S.A.), Inc., MCVP Holding, Inc., Corporate Development Fund of Mitsui &amp; Co. Ltd and Mitsui &amp; Co. Global Investment, Inc., but each disclaims beneficial ownership of such securities and this report shall not be deemed an admission that any of them is the beneficial owner of such securities, except to the extent of its pecuniary interests therein.  Mitsui &amp; Co. (U.S.A.), Inc., MCVP Holding, Inc., Corporate Development Fund of Mitsui &amp; Co. Ltd and Mitsui &amp; Co. Global Investment, Inc. may be deemed to beneficially own the securities held by each other but disclaim beneficial ownership of such securities and this report shall not be deemed an admission that any of them is the beneficial owner of such securities, except to the extent of their pecuniary interests therein.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Adam Walczak as Attorney-in-fact for Mitsui &amp; Co. Ltd.</signatureName>
        <signatureDate>2012-02-17</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Adam Walczak as Attorney-in-fact for Mitsui &amp; Co. (U.S.A.), Inc.</signatureName>
        <signatureDate>2012-02-17</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Adam Walczak as Attorney-in-fact for MCVP Holding, Inc.</signatureName>
        <signatureDate>2012-02-17</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Adam Walczak as Attorney-in-fact for Corporate Development Fund of Mitsui &amp; Co., Ltd.</signatureName>
        <signatureDate>2012-02-17</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Adam Walczak as Attorney-in-fact for Mitsui &amp; Co. Global Investment, Inc.</signatureName>
        <signatureDate>2012-02-17</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Adam Walczak as Attorney-in-fact for Mitsui &amp; Co. Global Investment Ltd.</signatureName>
        <signatureDate>2012-02-17</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Adam Walczak as Attorney-in-fact for Mitsui &amp; Co. Principal Investments Ltd.</signatureName>
        <signatureDate>2012-02-17</signatureDate>
    </ownerSignature>
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