<SEC-DOCUMENT>0001140361-17-047540.txt : 20171227
<SEC-HEADER>0001140361-17-047540.hdr.sgml : 20171227
<ACCEPTANCE-DATETIME>20171227211541
ACCESSION NUMBER:		0001140361-17-047540
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20171222
FILED AS OF DATE:		20171227
DATE AS OF CHANGE:		20171227

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Bader John M
		CENTRAL INDEX KEY:			0001713544

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36842
		FILM NUMBER:		171276977

	MAIL ADDRESS:	
		STREET 1:		C/O HALCYON CAPITAL MANAGEMENT, LLC
		STREET 2:		477 MADISON AVE., 8TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Dillow Jason
		CENTRAL INDEX KEY:			0001713578

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36842
		FILM NUMBER:		171276976

	MAIL ADDRESS:	
		STREET 1:		C/O HALCYON CAPITAL MANAGEMENT, LLC
		STREET 2:		477 MADISON AVE., 8TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Konner Kevah
		CENTRAL INDEX KEY:			0001713538

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36842
		FILM NUMBER:		171276980

	MAIL ADDRESS:	
		STREET 1:		C/O HALCYON CAPITAL MANAGEMENT, LLC
		STREET 2:		477 MADISON AVE., 8TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Kripalani Avinash
		CENTRAL INDEX KEY:			0001713540

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36842
		FILM NUMBER:		171276971

	MAIL ADDRESS:	
		STREET 1:		C/O HALCYON CAPITAL MANAGEMENT, LLC
		STREET 2:		477 MADISON AVE., 8TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			First Series of HDML Fund I, LLC
		CENTRAL INDEX KEY:			0001713553
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36842
		FILM NUMBER:		171276973

	BUSINESS ADDRESS:	
		STREET 1:		C/O HALCYON CAPITAL MANAGEMENT, LLC
		STREET 2:		477 MADISON AVE., 8TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		212-303-9400

	MAIL ADDRESS:	
		STREET 1:		C/O HALCYON CAPITAL MANAGEMENT, LLC
		STREET 2:		477 MADISON AVE., 8TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Halcyon Energy, Power & Infrastructure Capital Holdings LLC
		CENTRAL INDEX KEY:			0001713592
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36842
		FILM NUMBER:		171276974

	BUSINESS ADDRESS:	
		STREET 1:		C/O HALCYON CAPITAL MANAGEMENT, LLC
		STREET 2:		477 MADISON AVE., 8TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		212-303-9400

	MAIL ADDRESS:	
		STREET 1:		C/O HALCYON CAPITAL MANAGEMENT, LLC
		STREET 2:		477 MADISON AVE., 8TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Halcyon Mount Bonnell Fund LP
		CENTRAL INDEX KEY:			0001713588
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36842
		FILM NUMBER:		171276978

	BUSINESS ADDRESS:	
		STREET 1:		C/O HALCYON CAPITAL MANAGEMENT, LLC
		STREET 2:		477 MADISON AVE., 8TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		212-303-9400

	MAIL ADDRESS:	
		STREET 1:		C/O HALCYON CAPITAL MANAGEMENT, LLC
		STREET 2:		477 MADISON AVE., 8TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HDML Assets LLC
		CENTRAL INDEX KEY:			0001713583
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36842
		FILM NUMBER:		171276972

	BUSINESS ADDRESS:	
		STREET 1:		C/O HALCYON CAPITAL MANAGEMENT, LLC
		STREET 2:		477 MADISON AVE., 8TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		212-303-9400

	MAIL ADDRESS:	
		STREET 1:		C/O HALCYON CAPITAL MANAGEMENT, LLC
		STREET 2:		477 MADISON AVE., 8TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HLTS GP LLC
		CENTRAL INDEX KEY:			0001713586
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36842
		FILM NUMBER:		171276975

	BUSINESS ADDRESS:	
		STREET 1:		C/O HALCYON CAPITAL MANAGEMENT, LLC
		STREET 2:		477 MADISON AVE., 8TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		212-303-9400

	MAIL ADDRESS:	
		STREET 1:		C/O HALCYON CAPITAL MANAGEMENT, LLC
		STREET 2:		477 MADISON AVE., 8TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Halcyon Capital Management LP
		CENTRAL INDEX KEY:			0001633312
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36842
		FILM NUMBER:		171276979

	BUSINESS ADDRESS:	
		STREET 1:		477 MADISON AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		212.303.9400

	MAIL ADDRESS:	
		STREET 1:		477 MADISON AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

	FORMER NAME:	
		FORMER CONFORMED NAME:	Halcyon Management Holdings LP
		DATE OF NAME CHANGE:	20150210

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NextDecade Corp.
		CENTRAL INDEX KEY:			0001612720
		STANDARD INDUSTRIAL CLASSIFICATION:	NATURAL GAS TRANSMISSION & DISTRIBUTION [4923]
		IRS NUMBER:				465723951
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		3 WATERWAY SQUARE PLACE
		CITY:			THE WOODLANDS
		STATE:			TX
		ZIP:			77380
		BUSINESS PHONE:		832-403-1874

	MAIL ADDRESS:	
		STREET 1:		3 WATERWAY SQUARE PLACE
		CITY:			THE WOODLANDS
		STATE:			TX
		ZIP:			77380

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Harmony Merger Corp.
		DATE OF NAME CHANGE:	20140703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2017-12-22</periodOfReport>

    <issuer>
        <issuerCik>0001612720</issuerCik>
        <issuerName>NextDecade Corp.</issuerName>
        <issuerTradingSymbol>NEXT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001633312</rptOwnerCik>
            <rptOwnerName>Halcyon Capital Management LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>477 MADISON AVENUE, 8TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001713588</rptOwnerCik>
            <rptOwnerName>Halcyon Mount Bonnell Fund LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O HALCYON CAPITAL MANAGEMENT, LP</rptOwnerStreet1>
            <rptOwnerStreet2>477 MADISON AVE., 8TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
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    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001713586</rptOwnerCik>
            <rptOwnerName>HLTS GP LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O HALCYON CAPITAL MANAGEMENT, LP</rptOwnerStreet1>
            <rptOwnerStreet2>477 MADISON AVE., 8TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001713592</rptOwnerCik>
            <rptOwnerName>Halcyon Energy, Power &amp; Infrastructure Capital Holdings LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O HALCYON CAPITAL MANAGEMENT, LP</rptOwnerStreet1>
            <rptOwnerStreet2>477 MADISON AVE., 8TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001713553</rptOwnerCik>
            <rptOwnerName>First Series of HDML Fund I, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O HALCYON CAPITAL MANAGEMENT, LP</rptOwnerStreet1>
            <rptOwnerStreet2>477 MADISON AVE., 8TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001713583</rptOwnerCik>
            <rptOwnerName>HDML Assets LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O HALCYON CAPITAL MANAGEMENT, LP</rptOwnerStreet1>
            <rptOwnerStreet2>477 MADISON AVE., 8TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001713540</rptOwnerCik>
            <rptOwnerName>Kripalani Avinash</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O HALCYON CAPITAL MANAGEMENT, LP</rptOwnerStreet1>
            <rptOwnerStreet2>477 MADISON AVENUE, 8TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001713538</rptOwnerCik>
            <rptOwnerName>Konner Kevah</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O HALCYON CAPITAL MANAGEMENT, LP</rptOwnerStreet1>
            <rptOwnerStreet2>477 MADISON AVENUE, 8TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001713544</rptOwnerCik>
            <rptOwnerName>Bader John M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O HALCYON CAPITAL MANAGEMENT, LP</rptOwnerStreet1>
            <rptOwnerStreet2>477 MADISON AVENUE, 8TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001713578</rptOwnerCik>
            <rptOwnerName>Dillow Jason</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O HALCYON CAPITAL MANAGEMENT, LP</rptOwnerStreet1>
            <rptOwnerStreet2>477 MADISON AVE., 8TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, $ 0.0001 par value</value>
            </securityTitle>
            <transactionDate>
                <value>2017-12-22</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>5500</value>
                    <footnoteId id="F3"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>8.85</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>11051566</value>
                    <footnoteId id="F4"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnotes</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                    <footnoteId id="F5"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">See Exhibit 99.1 for text of footnote (1).</footnote>
        <footnote id="F2">See Exhibit 99.1 for text of footnote (2).</footnote>
        <footnote id="F3">See Exhibit 99.1 for text of footnote (3).</footnote>
        <footnote id="F4">See Exhibit 99.1 for text of footnote (4).</footnote>
        <footnote id="F5">See Exhibit 99.1 for text of footnote (5).</footnote>
    </footnotes>

    <remarks>Exhibit 99.1 (Footnotes) and Exhibit 99.2 (Joint Filer Information) are incorporated herein by reference. This Form 4 is the first of two Forms 4 being filed relating to the same event. The Form 4 has been split into two filings because there are more than ten Reporting Persons in total, and the SEC's EDGAR filing system limits a single Form 4 to a maximum of ten Reporting Persons. This Form 4 is filed by Designated Filer Halcyon Capital Management LP.</remarks>

    <ownerSignature>
        <signatureName>Halcyon Capital Management LP
By:  /s/ Suzanne McDermott
Title:    Chief Compliance Officer</signatureName>
        <signatureDate>2017-12-27</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>By:  /s/ John Freese
Title:    Senior Corporate Counsel</signatureName>
        <signatureDate>2017-12-27</signatureDate>
    </ownerSignature>
</ownershipDocument>
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<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>ex99_1.htm
<DESCRIPTION>EXHIBIT 99.1
<TEXT>
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<head>
<title></title>
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<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: center"><u>Exhibit 99.1</u></div>

<div><br>
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<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 40%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Name and Address of Reporting Person:</div>
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<td style="VERTICAL-ALIGN: top; WIDTH: 60%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Halcyon Capital Management, LP</div>
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<td style="VERTICAL-ALIGN: top; WIDTH: 40%">&#160;</td>
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<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">477 Madison Avenue, Eighth Floor</div>
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<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">New York, NY 10022</div>
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<td style="VERTICAL-ALIGN: top; WIDTH: 40%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 60%">&#160;</td>
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<td style="VERTICAL-ALIGN: top; WIDTH: 40%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Issuer Name and Ticker or Trading Symbol:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 60%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">NextDecade Corporation [NEXT]</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 40%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 60%">&#160;</td>
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<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 40%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Date of Earliest Transaction to be Reported</div>
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<td style="VERTICAL-ALIGN: top; WIDTH: 60%">&#160;</td>
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<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 40%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">(Month/Day/Year):</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 60%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">December 22, 2017</div>
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<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: center"><u>Footnotes to Form 4</u></div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: justify">(1) This statement is being filed by the following Reporting Persons:&#160; HCN GP LLC (&#8220;HCN GP&#8221;), HCN LP (&#8220;HCN&#8221;), Halcyon Mount Bonnell Fund LP (&#8220;Mount Bonnell&#8221;), HLTS GP LLC (&#8220;HLTS&#8221;), Halcyon Energy, Power &amp; Infrastructure Capital Holdings LLC (&#8220;HEPI&#8221;), First Series of HDML Fund I LLC (&#8220;HDML&#8221;), HDML Asset LLC (&#8220;HDML Asset&#8221;), Halcyon Capital Management LP (&#8220;Halcyon Capital&#8221;), Avinash Kripalani, Jason Dillow, Kevah Konner and John Bader.</div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: justify">(2) HCN GP is the general partner of HCN. HDML Asset is the investment member of HDML.&#160; HLTS is the general partner of Mount Bonnell.&#160; Halcyon Solutions GP, LLC is the general partner of Halcyon Solutions Master Fund, LP (&#8220;HSM&#8221;). Halcyon Capital is the investment manager for each of Mount Bonnell, HCN, HEPI, HDML and HSM.&#160; Investment decisions of Halcyon Capital are made by one or more of its portfolio managers, including Jason Dillow and Kevah Konner, each of whom has individual decision-making authority.&#160; John Bader is the CEO of Halcyon Capital.&#160; Avinash Kripalani is a Principal at Halcyon Capital and serves on the board of directors of the Issuer as Halcyon&#8217;s representative.</div>

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</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: justify">(3) Represents 5,500 shares sold by HCN.</div>

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</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: justify">(4) Represents 2,056,621 shares directly held by HEPI (including 313,288 shares issuable pursuant to the that certain Agreement and Plan of Merger, dated April 17, 2017, by and among Harmony Merger Corporation, Harmony Merger Sub, LLC, NextDecade, LLC and certain members of NextDecade, LLC and entities affiliated with such members (the &#8220;Merger Agreement&#8221;) upon the satisfaction of certain milestones),<font style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'">&#160;</font>4,800,820 shares directly held by HCN (including 730,789 shares issuable pursuant to the Merger Agreement upon the satisfaction of certain milestones), 3,119,348 shares held directly held by Mount Bonnell (including 475,160 contingent shares issuable pursuant to the Merger Agreement upon the satisfaction of certain milestones), 749,612 shares directly held by HDML (including 114,176 shares issuable pursuant to the Merger Agreement upon the satisfaction of certain milestones), and 325,165 shares directly held by HSM.</div>

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<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: justify">(5) Each of the Reporting Persons disclaims beneficial ownership of the shares reported herein, except to the extent of its, his or her pecuniary interest.</div>

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<DOCUMENT>
<TYPE>EX-99.2
<SEQUENCE>3
<FILENAME>ex99_2.htm
<DESCRIPTION>EXHIBIT 99.2
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<u>Exhibit 99.2</u></div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: center"><u>Joint Filer Information</u></div>

<div><br>
</div>

<table id="zb934873755c34061a6e682296b0d4987" style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; BORDER-COLLAPSE: collapse; WIDTH: 100%" cellspacing="0" cellpadding="0">
<tr>
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<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Name of Joint Filer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50.88%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Halcyon Capital Management LP</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 49.12%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50.88%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 49.12%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Address of Joint Filer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50.88%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">477 Madison Avenue, 8th Floor</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 49.12%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50.88%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">New York, NY 10022</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 49.12%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50.88%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 49.12%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Relationship of Joint Filer to Issuer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50.88%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Director</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 49.12%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50.88%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 49.12%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Issuer Name and Ticker or Trading Symbol:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50.88%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">NextDecade Corporation [NEXT]</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 49.12%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50.88%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 49.12%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Date of Earliest Transaction Required</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50.88%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 49.12%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">to be Reported (Month/Day/Year):</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50.88%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">December 22, 2017</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 49.12%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50.88%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 49.12%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Designated Filer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50.88%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Halcyon Capital Management LP</div>
</td>
</tr>
</table>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-WEIGHT: bold; TEXT-ALIGN: left">Signature:</div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Halcyon Capital Management LP</div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-VARIANT: normal; FONT-WEIGHT: normal; FONT-STYLE: normal; TEXT-ALIGN: left"><u>/s/ Suzanne McDermott</u></div>

<table id="z53a247e58e9c4ceebb54f63467a6e97e" style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; BORDER-COLLAPSE: collapse; WIDTH: 100%" cellspacing="0" cellpadding="0" border="0">
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<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Name:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 90%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Suzanne McDermott</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 10%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Title:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 90%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Chief Compliance Officer</div>
</td>
</tr>
</table>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-VARIANT: normal; FONT-WEIGHT: normal; FONT-STYLE: normal; TEXT-ALIGN: left"><u>/s/ John Freese</u></div>

<table id="z13410621ba2e4f05ad97282da8efc818" style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; BORDER-COLLAPSE: collapse; WIDTH: 100%" cellspacing="0" cellpadding="0">
<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 10%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Name:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 90%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">John Freese</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 10%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Title:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 90%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Senior Corporate Counsel</div>
</td>
</tr>
</table>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left"><u>December 27, 2017</u></div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Date</div>

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<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: right"><u>Exhibit 99.2</u></div>

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</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: center"><u>Joint Filer Information</u></div>

<div><br>
</div>

<table id="zd4a79697e19c4d9196d5d125f733399b" style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; BORDER-COLLAPSE: collapse; WIDTH: 100%" cellspacing="0" cellpadding="0">
<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Name of Joint Filer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">HCN LP</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Address of Joint Filer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">c/o Halcyon Capital Management LP</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">477 Madison Avenue, 8th Floor</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">New York, NY 10022</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Relationship of Joint Filer to Issuer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Director</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Issuer Name and Ticker or Trading Symbol:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">NextDecade Corporation [NEXT]</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Date of Earliest Transaction Required</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">to be Reported (Month/Day/Year):</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">December 22, 2017</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Designated Filer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Halcyon Capital Management LP</div>
</td>
</tr>
</table>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-WEIGHT: bold; TEXT-ALIGN: left">Signature:</div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">HCN LP</div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">By: Halcyon Capital Management LP, its Manager</div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-VARIANT: normal; FONT-WEIGHT: normal; FONT-STYLE: normal; TEXT-ALIGN: left"><u>/s/ Suzanne McDermott</u></div>

<table id="zf0e841f726cc40569d59804417f984b4" style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; BORDER-COLLAPSE: collapse; WIDTH: 100%" cellspacing="0" cellpadding="0">
<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 10%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Name:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 90%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Suzanne McDermott</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 10%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Title:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 90%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Chief Compliance Officer</div>
</td>
</tr>
</table>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-VARIANT: normal; FONT-WEIGHT: normal; FONT-STYLE: normal; TEXT-ALIGN: left"><u>/s/ John Freese</u></div>

<table id="z9d2fb9b46cda4cf7a223918eb005b7cd" style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; BORDER-COLLAPSE: collapse; WIDTH: 100%" cellspacing="0" cellpadding="0">
<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 10%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Name:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 90%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">John Freese</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 10%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Title:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 90%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Senior Corporate Counsel</div>
</td>
</tr>
</table>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left"><u>December 27, 2017</u></div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Date</div>

<div><br>
</div>

<div id="DSPFPageBreakArea" style="MARGIN-BOTTOM: 10pt; CLEAR: both; MARGIN-TOP: 10pt">
<div id="DSPFPageBreak" style="PAGE-BREAK-AFTER: always">
<hr style="BORDER-LEFT-WIDTH: 0px; HEIGHT: 2px; BORDER-RIGHT-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: #000000; CLEAR: both; MARGIN: 4px 0px; BORDER-TOP-WIDTH: 0px; WIDTH: 100%; BACKGROUND-COLOR: #000000" noshade="noshade">
</div>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: right"><u>Exhibit 99.2</u></div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: center"><u>Joint Filer Information</u></div>

<div><br>
</div>

<table id="zbd8c930502d7400a8000a8c983903803" style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; BORDER-COLLAPSE: collapse; WIDTH: 100%" cellspacing="0" cellpadding="0">
<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 49.58%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Name of Joint Filer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50.42%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">HCN GP LLC</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 49.58%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50.42%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 49.58%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Address of Joint Filer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50.42%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">c/o Halcyon Capital Management LP</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 49.58%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50.42%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">477 Madison Avenue, 8th Floor</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 49.58%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50.42%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">New York, NY 10022</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 49.58%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50.42%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 49.58%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Relationship of Joint Filer to Issuer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50.42%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Director</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 49.58%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50.42%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 49.58%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Issuer Name and Ticker or Trading Symbol:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50.42%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">NextDecade Corporation [NEXT]</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 49.58%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50.42%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 49.58%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Date of Earliest Transaction Required</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50.42%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 49.58%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">to be Reported (Month/Day/Year):</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50.42%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">December 22, 2017</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 49.58%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50.42%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 49.58%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Designated Filer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50.42%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Halcyon Capital Management LP</div>
</td>
</tr>
</table>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-WEIGHT: bold; TEXT-ALIGN: left">Signature:</div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">HCN GP LLC</div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-VARIANT: normal; FONT-WEIGHT: normal; FONT-STYLE: normal; TEXT-ALIGN: left"><u>/s/ Suzanne McDermott</u></div>

<table id="zcddccd43d17347c794c9c40aa4bcdcac" style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; BORDER-COLLAPSE: collapse; WIDTH: 100%" cellspacing="0" cellpadding="0">
<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 10%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Name:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 90%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Suzanne McDermott</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 10%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Title:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 90%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Chief Compliance Officer</div>
</td>
</tr>
</table>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-VARIANT: normal; FONT-WEIGHT: normal; FONT-STYLE: normal; TEXT-ALIGN: left"><u>/s/&#160;John Freese</u></div>

<table id="zbc567550346840fc8cb736ec5ab79ddc" style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; BORDER-COLLAPSE: collapse; WIDTH: 100%" cellspacing="0" cellpadding="0">
<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 10%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Name:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 90%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">John Freese</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 10%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Title:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 90%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Senior Corporate Counsel</div>
</td>
</tr>
</table>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left"><u>December 27, 2017</u></div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Date</div>

<div><br>
</div>

<div id="DSPFPageBreakArea" style="MARGIN-BOTTOM: 10pt; CLEAR: both; MARGIN-TOP: 10pt">
<div id="DSPFPageBreak" style="PAGE-BREAK-AFTER: always">
<hr style="BORDER-LEFT-WIDTH: 0px; HEIGHT: 2px; BORDER-RIGHT-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: #000000; CLEAR: both; MARGIN: 4px 0px; BORDER-TOP-WIDTH: 0px; WIDTH: 100%; BACKGROUND-COLOR: #000000" noshade="noshade">
</div>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: right"><u>Exhibit 99.2</u></div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: center"><u>Joint Filer Information</u></div>

<div><br>
</div>

<table id="zc1dfcf3cddaa4398a3fe84bef73054ba" style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; BORDER-COLLAPSE: collapse; WIDTH: 100%" cellspacing="0" cellpadding="0">
<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Name of Joint Filer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Halcyon Mount Bonnell Fund LP</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Address of Joint Filer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">c/o Halcyon Capital Management LP</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">477 Madison Avenue, 8th Floor</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">New York, NY 10022</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Relationship of Joint Filer to Issuer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Director</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Issuer Name and Ticker or Trading Symbol:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">NextDecade Corporation [NEXT]</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Date of Earliest Transaction Required</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">to be Reported (Month/Day/Year):</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">December 22, 2017</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Designated Filer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Halcyon Capital Management LP</div>
</td>
</tr>
</table>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-WEIGHT: bold; TEXT-ALIGN: left">Signature:</div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Halcyon Mount Bonnell Fund LP</div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">By: Halcyon Capital Management LP, its Manager</div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-VARIANT: normal; FONT-WEIGHT: normal; FONT-STYLE: normal; TEXT-ALIGN: left"><u>/s/ Suzanne McDermott</u></div>

<table id="z6a53bcdb096949c091864051bef9f0dd" style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; BORDER-COLLAPSE: collapse; WIDTH: 100%" cellspacing="0" cellpadding="0">
<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 10%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Name:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 90%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Suzanne McDermott</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 10%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Title:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 90%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Chief Compliance Officer</div>
</td>
</tr>
</table>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-VARIANT: normal; FONT-WEIGHT: normal; FONT-STYLE: normal; TEXT-ALIGN: left"><u>/s/ John Freese</u></div>

<table id="zc163bd8f379e4651a34d61158f107c60" style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; BORDER-COLLAPSE: collapse; WIDTH: 100%" cellspacing="0" cellpadding="0">
<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 10%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Name:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 90%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">John Freese</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 10%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Title:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 90%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Senior Corporate Counsel</div>
</td>
</tr>
</table>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left"><u>December 27, 2017</u></div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Date</div>

<div><br>
</div>

<div id="DSPFPageBreakArea" style="MARGIN-BOTTOM: 10pt; CLEAR: both; MARGIN-TOP: 10pt">
<div id="DSPFPageBreak" style="PAGE-BREAK-AFTER: always">
<hr style="BORDER-LEFT-WIDTH: 0px; HEIGHT: 2px; BORDER-RIGHT-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: #000000; CLEAR: both; MARGIN: 4px 0px; BORDER-TOP-WIDTH: 0px; WIDTH: 100%; BACKGROUND-COLOR: #000000" noshade="noshade">
</div>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: right"><u>Exhibit 99.2</u></div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: center"><u>Joint Filer Information</u></div>

<div><br>
</div>

<table id="za1b534775eaa445689ab4ab26cf478c9" style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; BORDER-COLLAPSE: collapse; WIDTH: 100%" cellspacing="0" cellpadding="0">
<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Name of Joint Filer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">HLTS GP LLC</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Address of Joint Filer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">c/o Halcyon Capital Management LP</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">477 Madison Avenue, 8th Floor</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">New York, NY 10022</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Relationship of Joint Filer to Issuer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Director</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Issuer Name and Ticker or Trading Symbol:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">NextDecade Corporation [NEXT]</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Date of Earliest Transaction Required</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">to be Reported (Month/Day/Year):</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">December 22, 2017</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Designated Filer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Halcyon Capital Management LP</div>
</td>
</tr>
</table>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-WEIGHT: bold; TEXT-ALIGN: left">Signature:</div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">HLTS GP LLC</div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-VARIANT: normal; FONT-WEIGHT: normal; FONT-STYLE: normal; TEXT-ALIGN: left"><u>/s/ Suzanne McDermott</u></div>

<table id="z684e6e2b9bc34a5d9bfba7954890bd79" style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; BORDER-COLLAPSE: collapse; WIDTH: 100%" cellspacing="0" cellpadding="0">
<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 10%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Name:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 90%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Suzanne McDermott</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 10%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Title:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 90%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Chief Compliance Officer</div>
</td>
</tr>
</table>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-VARIANT: normal; FONT-WEIGHT: normal; FONT-STYLE: normal; TEXT-ALIGN: left"><u>/s/ John Freese</u></div>

<table id="z58b75d3e38e2475ab71c6f50d7ee396d" style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; BORDER-COLLAPSE: collapse; WIDTH: 100%" cellspacing="0" cellpadding="0">
<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 10%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Name:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 90%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">John Freese</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 10%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Title:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 90%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Senior Corporate Counsel</div>
</td>
</tr>
</table>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left"><u>December 27, 2017</u></div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Date</div>

<div><br>
</div>

<div id="DSPFPageBreakArea" style="MARGIN-BOTTOM: 10pt; CLEAR: both; MARGIN-TOP: 10pt">
<div id="DSPFPageBreak" style="PAGE-BREAK-AFTER: always">
<hr style="BORDER-LEFT-WIDTH: 0px; HEIGHT: 2px; BORDER-RIGHT-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: #000000; CLEAR: both; MARGIN: 4px 0px; BORDER-TOP-WIDTH: 0px; WIDTH: 100%; BACKGROUND-COLOR: #000000" noshade="noshade">
</div>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: right"><u>Exhibit 99.2</u></div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: center"><u>Joint Filer Information</u></div>

<div><br>
</div>

<table id="z697d2d84c5324ad59d0493f59f64f6f9" style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; BORDER-COLLAPSE: collapse; WIDTH: 100%" cellspacing="0" cellpadding="0">
<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Name of Joint Filer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Halcyon Energy, Power &amp; Infrastructure Capital Holdings LLC</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Address of Joint Filer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">c/o Halcyon Capital Management LP</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">477 Madison Avenue, 8th Floor</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">New York, NY 10022</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Relationship of Joint Filer to Issuer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Director</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Issuer Name and Ticker or Trading Symbol:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">NextDecade Corporation [NEXT]</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Date of Earliest Transaction Required</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">to be Reported (Month/Day/Year):</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">December 22, 2017</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Designated Filer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Halcyon Capital Management LP</div>
</td>
</tr>
</table>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-WEIGHT: bold; TEXT-ALIGN: left">Signature:</div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Halcyon Energy, Power &amp; Infrastructure Capital Holdings LLC</div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">By: Halcyon Capital Management LP, its Manager</div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-VARIANT: normal; FONT-WEIGHT: normal; FONT-STYLE: normal; TEXT-ALIGN: left"><u>/s/ Suzanne McDermott</u></div>

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<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 10%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Name:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 90%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Suzanne McDermott</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 10%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Title:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 90%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Chief Compliance Officer</div>
</td>
</tr>
</table>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-VARIANT: normal; FONT-WEIGHT: normal; FONT-STYLE: normal; TEXT-ALIGN: left"><u>/s/ John Freese</u></div>

<table id="z318f1ece688b4f87a7c1c115634124d7" style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; BORDER-COLLAPSE: collapse; WIDTH: 100%" cellspacing="0" cellpadding="0">
<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 10%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Name:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 90%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">John Freese</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 10%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Title:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 90%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Senior Corporate Counsel</div>
</td>
</tr>
</table>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left"><u>December 27, 2017</u></div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Date</div>

<div><br>
</div>

<div id="DSPFPageBreakArea" style="MARGIN-BOTTOM: 10pt; CLEAR: both; MARGIN-TOP: 10pt">
<div id="DSPFPageBreak" style="PAGE-BREAK-AFTER: always">
<hr style="BORDER-LEFT-WIDTH: 0px; HEIGHT: 2px; BORDER-RIGHT-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: #000000; CLEAR: both; MARGIN: 4px 0px; BORDER-TOP-WIDTH: 0px; WIDTH: 100%; BACKGROUND-COLOR: #000000" noshade="noshade">
</div>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: right"><u>Exhibit 99.2</u></div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: center"><u>Joint Filer Information</u></div>

<div><br>
</div>

<table id="z75378b9f7fe84a1888b1f8f1520e85c2" style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; BORDER-COLLAPSE: collapse; WIDTH: 100%" cellspacing="0" cellpadding="0">
<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Name of Joint Filer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">First Series of HDML Fund I LLC</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Address of Joint Filer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">c/o Halcyon Capital Management LP</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">477 Madison Avenue, 8th Floor</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">New York, NY 10022</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Relationship of Joint Filer to Issuer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Director</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Issuer Name and Ticker or Trading Symbol:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">NextDecade Corporation [NEXT]</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Date of Earliest Transaction Required</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">to be Reported (Month/Day/Year):</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">December 22, 2017</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Designated Filer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Halcyon Capital Management LP</div>
</td>
</tr>
</table>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-WEIGHT: bold; TEXT-ALIGN: left">Signature:</div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left; MARGIN-LEFT: 216pt; TEXT-INDENT: -216pt">First Series of HDML Fund I, LLC</div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left; MARGIN-LEFT: 216pt; TEXT-INDENT: -216pt">By: Halcyon Capital Management LP, its Manager</div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-VARIANT: normal; FONT-WEIGHT: normal; FONT-STYLE: normal; TEXT-ALIGN: left"><u>/s/ Suzanne McDermott</u></div>

<table id="z5426136c6e0e4da0afe79ce77c0a21fb" style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; BORDER-COLLAPSE: collapse; WIDTH: 100%" cellspacing="0" cellpadding="0">
<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 10%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Name:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 90%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Suzanne McDermott</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 10%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Title:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 90%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Chief Compliance Officer</div>
</td>
</tr>
</table>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-VARIANT: normal; FONT-WEIGHT: normal; FONT-STYLE: normal; TEXT-ALIGN: left"><u>/s/ John Freese</u></div>

<table id="z089ca7f5c0ea4baeb4cf5324b5245611" style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; BORDER-COLLAPSE: collapse; WIDTH: 100%" cellspacing="0" cellpadding="0">
<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 10%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Name:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 90%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">John Freese</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 10%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Title:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 90%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Senior Corporate Counsel</div>
</td>
</tr>
</table>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left"><u>December 27, 2017</u></div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Date</div>

<div><br>
</div>

<div id="DSPFPageBreakArea" style="MARGIN-BOTTOM: 10pt; CLEAR: both; MARGIN-TOP: 10pt">
<div id="DSPFPageBreak" style="PAGE-BREAK-AFTER: always">
<hr style="BORDER-LEFT-WIDTH: 0px; HEIGHT: 2px; BORDER-RIGHT-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: #000000; CLEAR: both; MARGIN: 4px 0px; BORDER-TOP-WIDTH: 0px; WIDTH: 100%; BACKGROUND-COLOR: #000000" noshade="noshade">
</div>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: right"><u>Exhibit 99.2</u></div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: center"><u>Joint Filer Information</u></div>

<div><br>
</div>

<table id="zddfbdedbf53143f48440565b59ce7292" style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; BORDER-COLLAPSE: collapse; WIDTH: 100%" cellspacing="0" cellpadding="0">
<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Name of Joint Filer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">HDML Asset LLC</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Address of Joint Filer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">c/o Halcyon Capital Management LP</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">510 Madison Avenue, 25th Floor</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">New York, NY 10022</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Relationship of Joint Filer to Issuer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Director</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Issuer Name and Ticker or Trading Symbol:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">NextDecade Corporation [NEXT]</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Date of Earliest Transaction Required</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">to be Reported (Month/Day/Year):</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">December 22, 2017</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Designated Filer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Halcyon Capital Management LP</div>
</td>
</tr>
</table>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-WEIGHT: bold; TEXT-ALIGN: left">Signature:</div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">HDML Asset LLC</div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-VARIANT: normal; FONT-WEIGHT: normal; FONT-STYLE: normal; TEXT-ALIGN: left"><u>/s/ Suzanne McDermott</u></div>

<table id="z2b1de0863b654f96837531a4f4a064db" style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; BORDER-COLLAPSE: collapse; WIDTH: 100%" cellspacing="0" cellpadding="0">
<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 10%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Name:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 90%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Suzanne McDermott</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 10%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Title:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 90%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Chief Compliance Officer</div>
</td>
</tr>
</table>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-VARIANT: normal; FONT-WEIGHT: normal; FONT-STYLE: normal; TEXT-ALIGN: left"><u>/s/ John Freese</u></div>

<table id="zfac02961ce7b4a34bfafc3435cffa092" style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; BORDER-COLLAPSE: collapse; WIDTH: 100%" cellspacing="0" cellpadding="0">
<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 10%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Name:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 90%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">John Freese</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 10%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Title:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 90%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Senior Corporate Counsel</div>
</td>
</tr>
</table>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left"><u>December 27, 2017</u></div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Date</div>

<div><br>
</div>

<div id="DSPFPageBreakArea" style="MARGIN-BOTTOM: 10pt; CLEAR: both; MARGIN-TOP: 10pt">
<div id="DSPFPageBreak" style="PAGE-BREAK-AFTER: always">
<hr style="BORDER-LEFT-WIDTH: 0px; HEIGHT: 2px; BORDER-RIGHT-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: #000000; CLEAR: both; MARGIN: 4px 0px; BORDER-TOP-WIDTH: 0px; WIDTH: 100%; BACKGROUND-COLOR: #000000" noshade="noshade">
</div>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: right"><u>Exhibit 99.2</u></div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: center"><u>Joint Filer Information</u></div>

<div><br>
</div>

<table id="za71d9d67c2bc406b8706591bc1d704fc" style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; BORDER-COLLAPSE: collapse; WIDTH: 100%" cellspacing="0" cellpadding="0">
<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Name of Joint Filer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Avinash Kripalani</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Address of Joint Filer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">c/o Halcyon Capital Management LP</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">477 Madison Avenue, 8th Floor</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">New York, NY 10022</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Relationship of Joint Filer to Issuer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Director</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Issuer Name and Ticker or Trading Symbol:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">NextDecade Corporation [NEXT]</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Date of Earliest Transaction Required</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">to be Reported (Month/Day/Year):</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">December 22, 2017</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Designated Filer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Halcyon Capital Management LP</div>
</td>
</tr>
</table>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-WEIGHT: bold; TEXT-ALIGN: left">Signature:</div>

<div>&#160;</div>

<div>
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left"><u>/s/ Avinash Kripalani</u></div>

<table id="z396a61ce4069401fbf6ae46c6e375ea4" style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; BORDER-COLLAPSE: collapse; WIDTH: 100%" cellspacing="0" cellpadding="0">
<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 10%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Name:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 90%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Avinash Kripalani</div>
</td>
</tr>
</table>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left"><u>December 27, 2017</u></div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Date</div>

<div><br>
</div>

<div id="DSPFPageBreakArea" style="MARGIN-BOTTOM: 10pt; CLEAR: both; MARGIN-TOP: 10pt">
<div id="DSPFPageBreak" style="PAGE-BREAK-AFTER: always">
<hr style="BORDER-LEFT-WIDTH: 0px; HEIGHT: 2px; BORDER-RIGHT-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: #000000; CLEAR: both; MARGIN: 4px 0px; BORDER-TOP-WIDTH: 0px; WIDTH: 100%; BACKGROUND-COLOR: #000000" noshade="noshade">
</div>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: right"><u>Exhibit 99.2</u></div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: center"><u>Joint Filer Information</u></div>

<div><br>
</div>

<table id="z38f7d76098e241a0ac26ee1b55f65fa3" style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; BORDER-COLLAPSE: collapse; WIDTH: 100%" cellspacing="0" cellpadding="0">
<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Name of Joint Filer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Kevah Konner</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Address of Joint Filer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">c/o Halcyon Capital Management LP</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">477 Madison Avenue, 8th Floor</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">New York, NY 10022</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Relationship of Joint Filer to Issuer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Director</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Issuer Name and Ticker or Trading Symbol:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">NextDecade Corporation [NEXT]</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Date of Earliest Transaction Required</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">to be Reported (Month/Day/Year):</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">December 22, 2017</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Designated Filer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Halcyon Capital Management LP</div>
</td>
</tr>
</table>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-WEIGHT: bold; TEXT-ALIGN: left">Signature:</div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left"><u>/s/ Kevah Konner</u></div>

<table id="z034c93c1debb44199ec012a8a42142b8" style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; BORDER-COLLAPSE: collapse; WIDTH: 100%" cellspacing="0" cellpadding="0">
<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 10%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Name:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 90%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Kevah Konner</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 10%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Title:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 90%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Portfolio Manager</div>
</td>
</tr>
</table>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left"><u>December 27, 2017</u></div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Date</div>

<div><br>
</div>

<div id="DSPFPageBreakArea" style="MARGIN-BOTTOM: 10pt; CLEAR: both; MARGIN-TOP: 10pt">
<div id="DSPFPageBreak" style="PAGE-BREAK-AFTER: always">
<hr style="BORDER-LEFT-WIDTH: 0px; HEIGHT: 2px; BORDER-RIGHT-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: #000000; CLEAR: both; MARGIN: 4px 0px; BORDER-TOP-WIDTH: 0px; WIDTH: 100%; BACKGROUND-COLOR: #000000" noshade="noshade">
</div>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: right"><u>Exhibit 99.2</u></div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: center"><u>Joint Filer Information</u></div>

<div><br>
</div>

<table id="z60dcc0c666e541a18b79f907da175d9e" style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; BORDER-COLLAPSE: collapse; WIDTH: 100%" cellspacing="0" cellpadding="0">
<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Name of Joint Filer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">John Bader</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Address of Joint Filer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">c/o Halcyon Capital Management LP</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">477 Madison Avenue, 8th Floor</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">New York, NY 10022</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Relationship of Joint Filer to Issuer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Director</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Issuer Name and Ticker or Trading Symbol:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">NextDecade Corporation [NEXT]</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Date of Earliest Transaction Required</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">to be Reported (Month/Day/Year):</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">December 22, 2017</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Designated Filer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Halcyon Capital Management LP</div>
</td>
</tr>
</table>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; FONT-WEIGHT: bold; TEXT-ALIGN: left">Signature:</div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left"><u>/s/ John Bader</u></div>

<table id="z954a50025bd0400ca64a059a10803180" style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; BORDER-COLLAPSE: collapse; WIDTH: 100%" cellspacing="0" cellpadding="0">
<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 10%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Name:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 90%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">John Bader</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 10%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Title:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 90%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">CEO</div>
</td>
</tr>
</table>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left"><u>December 27, 2017</u></div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Date</div>

<div><br>
</div>

<div id="DSPFPageBreakArea" style="MARGIN-BOTTOM: 10pt; CLEAR: both; MARGIN-TOP: 10pt">
<div id="DSPFPageBreak" style="PAGE-BREAK-AFTER: always">
<hr style="BORDER-LEFT-WIDTH: 0px; HEIGHT: 2px; BORDER-RIGHT-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; COLOR: #000000; CLEAR: both; MARGIN: 4px 0px; BORDER-TOP-WIDTH: 0px; WIDTH: 100%; BACKGROUND-COLOR: #000000" noshade="noshade">
</div>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: right"><u>Exhibit 99.2</u></div>

<div><br>
</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: center"><u>Joint Filer Information</u></div>

<div><br>
</div>

<table id="z75f04c58250948e3a34f66d1556088ee" style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; BORDER-COLLAPSE: collapse; WIDTH: 100%" cellspacing="0" cellpadding="0">
<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Name of Joint Filer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Jason Dillow</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Address of Joint Filer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">c/o Halcyon Capital Management LP</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">477 Madison Avenue, 8th Floor</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">New York, NY 10022</div>
</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">&#160;</td>
</tr>

<tr>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Relationship of Joint Filer to Issuer:</div>
</td>
<td style="VERTICAL-ALIGN: top; WIDTH: 50%">
<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Director</div>
</td>
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<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">NextDecade Corporation [NEXT]</div>
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<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">December 22, 2017</div>
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<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Designated Filer:</div>
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<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Halcyon Capital Management LP</div>
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<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left"><u>/s/ Jason Dillow</u></div>

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<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Name:</div>
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<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Jason Dillow</div>
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<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Title:</div>
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<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left">Portfolio Manager</div>
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<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'; TEXT-ALIGN: left"><u>December 27, 2017</u></div>

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