Exhibit 99.2

Joint Filer Information

Name of Joint Filer:	Halcyon Capital Management LP

Address of Joint Filer:	477 Madison Avenue, 8th Floor
	New York, NY 10022

Relationship of Joint Filer to Issuer:	Director

Issuer Name and Ticker or Trading Symbol:	NextDecade Corporation [NEXT]

Date of Earliest Transaction Required
to be Reported (Month/Day/Year):	December 22, 2017

Designated Filer:	Halcyon Capital Management LP

Signature:

Halcyon Capital Management LP

/s/ Suzanne McDermott

Name:	Suzanne McDermott
Title:	Chief Compliance Officer

/s/ John Freese

Name:	John Freese
Title:	Senior Corporate Counsel

December 27, 2017

Date

Exhibit 99.2

Joint Filer Information

Name of Joint Filer:	HCN LP

Address of Joint Filer:	c/o Halcyon Capital Management LP
	477 Madison Avenue, 8th Floor
	New York, NY 10022

Relationship of Joint Filer to Issuer:	Director

Issuer Name and Ticker or Trading Symbol:	NextDecade Corporation [NEXT]

Date of Earliest Transaction Required
to be Reported (Month/Day/Year):	December 22, 2017

Designated Filer:	Halcyon Capital Management LP

Signature:

HCN LP

By: Halcyon Capital Management LP, its Manager

/s/ Suzanne McDermott

Name:	Suzanne McDermott
Title:	Chief Compliance Officer

/s/ John Freese

Name:	John Freese
Title:	Senior Corporate Counsel

December 27, 2017

Date

Exhibit 99.2

Joint Filer Information

Name of Joint Filer:	HCN GP LLC

Address of Joint Filer:	c/o Halcyon Capital Management LP
	477 Madison Avenue, 8th Floor
	New York, NY 10022

Relationship of Joint Filer to Issuer:	Director

Issuer Name and Ticker or Trading Symbol:	NextDecade Corporation [NEXT]

Date of Earliest Transaction Required
to be Reported (Month/Day/Year):	December 22, 2017

Designated Filer:	Halcyon Capital Management LP

Signature:

HCN GP LLC

/s/ Suzanne McDermott

Name:	Suzanne McDermott
Title:	Chief Compliance Officer

/s/ John Freese

Name:	John Freese
Title:	Senior Corporate Counsel

December 27, 2017

Date

Exhibit 99.2

Joint Filer Information

Name of Joint Filer:	Halcyon Mount Bonnell Fund LP

Address of Joint Filer:	c/o Halcyon Capital Management LP
	477 Madison Avenue, 8th Floor
	New York, NY 10022

Relationship of Joint Filer to Issuer:	Director

Issuer Name and Ticker or Trading Symbol:	NextDecade Corporation [NEXT]

Date of Earliest Transaction Required
to be Reported (Month/Day/Year):	December 22, 2017

Designated Filer:	Halcyon Capital Management LP

Signature:

Halcyon Mount Bonnell Fund LP

By: Halcyon Capital Management LP, its Manager

/s/ Suzanne McDermott

Name:	Suzanne McDermott
Title:	Chief Compliance Officer

/s/ John Freese

Name:	John Freese
Title:	Senior Corporate Counsel

December 27, 2017

Date

Exhibit 99.2

Joint Filer Information

Name of Joint Filer:	HLTS GP LLC

Address of Joint Filer:	c/o Halcyon Capital Management LP
	477 Madison Avenue, 8th Floor
	New York, NY 10022

Relationship of Joint Filer to Issuer:	Director

Issuer Name and Ticker or Trading Symbol:	NextDecade Corporation [NEXT]

Date of Earliest Transaction Required
to be Reported (Month/Day/Year):	December 22, 2017

Designated Filer:	Halcyon Capital Management LP

Signature:

HLTS GP LLC

/s/ Suzanne McDermott

Name:	Suzanne McDermott
Title:	Chief Compliance Officer

/s/ John Freese

Name:	John Freese
Title:	Senior Corporate Counsel

December 27, 2017

Date

Exhibit 99.2

Joint Filer Information

Name of Joint Filer:	Halcyon Energy, Power & Infrastructure Capital Holdings LLC

Address of Joint Filer:	c/o Halcyon Capital Management LP
	477 Madison Avenue, 8th Floor
	New York, NY 10022

Relationship of Joint Filer to Issuer:	Director

Issuer Name and Ticker or Trading Symbol:	NextDecade Corporation [NEXT]

Date of Earliest Transaction Required
to be Reported (Month/Day/Year):	December 22, 2017

Designated Filer:	Halcyon Capital Management LP

Signature:

Halcyon Energy, Power & Infrastructure Capital Holdings LLC

By: Halcyon Capital Management LP, its Manager

/s/ Suzanne McDermott

Name:	Suzanne McDermott
Title:	Chief Compliance Officer

/s/ John Freese

Name:	John Freese
Title:	Senior Corporate Counsel

December 27, 2017

Date

Exhibit 99.2

Joint Filer Information

Name of Joint Filer:	First Series of HDML Fund I LLC

Address of Joint Filer:	c/o Halcyon Capital Management LP
	477 Madison Avenue, 8th Floor
	New York, NY 10022

Relationship of Joint Filer to Issuer:	Director

Issuer Name and Ticker or Trading Symbol:	NextDecade Corporation [NEXT]

Date of Earliest Transaction Required
to be Reported (Month/Day/Year):	December 22, 2017

Designated Filer:	Halcyon Capital Management LP

Signature:

First Series of HDML Fund I, LLC

By: Halcyon Capital Management LP, its Manager

/s/ Suzanne McDermott

Name:	Suzanne McDermott
Title:	Chief Compliance Officer

/s/ John Freese

Name:	John Freese
Title:	Senior Corporate Counsel

December 27, 2017

Date

Exhibit 99.2

Joint Filer Information

Name of Joint Filer:	HDML Asset LLC

Address of Joint Filer:	c/o Halcyon Capital Management LP
	510 Madison Avenue, 25th Floor
	New York, NY 10022

Relationship of Joint Filer to Issuer:	Director

Issuer Name and Ticker or Trading Symbol:	NextDecade Corporation [NEXT]

Date of Earliest Transaction Required
to be Reported (Month/Day/Year):	December 22, 2017

Designated Filer:	Halcyon Capital Management LP

Signature:

HDML Asset LLC

/s/ Suzanne McDermott

Name:	Suzanne McDermott
Title:	Chief Compliance Officer

/s/ John Freese

Name:	John Freese
Title:	Senior Corporate Counsel

December 27, 2017

Date

Exhibit 99.2

Joint Filer Information

Name of Joint Filer:	Avinash Kripalani

Address of Joint Filer:	c/o Halcyon Capital Management LP
	477 Madison Avenue, 8th Floor
	New York, NY 10022

Relationship of Joint Filer to Issuer:	Director

Issuer Name and Ticker or Trading Symbol:	NextDecade Corporation [NEXT]

Date of Earliest Transaction Required
to be Reported (Month/Day/Year):	December 22, 2017

Designated Filer:	Halcyon Capital Management LP

Signature:

/s/ Avinash Kripalani

Name:

Avinash Kripalani

December 27, 2017

Date

Exhibit 99.2

Joint Filer Information

Name of Joint Filer:	Kevah Konner

Address of Joint Filer:	c/o Halcyon Capital Management LP
	477 Madison Avenue, 8th Floor
	New York, NY 10022

Relationship of Joint Filer to Issuer:	Director

Issuer Name and Ticker or Trading Symbol:	NextDecade Corporation [NEXT]

Date of Earliest Transaction Required
to be Reported (Month/Day/Year):	December 22, 2017

Designated Filer:	Halcyon Capital Management LP

Signature:

/s/ Kevah Konner

Name:	Kevah Konner
Title:	Portfolio Manager

December 27, 2017

Date

Exhibit 99.2

Joint Filer Information

Name of Joint Filer:	John Bader

Address of Joint Filer:	c/o Halcyon Capital Management LP
	477 Madison Avenue, 8th Floor
	New York, NY 10022

Relationship of Joint Filer to Issuer:	Director

Issuer Name and Ticker or Trading Symbol:	NextDecade Corporation [NEXT]

Date of Earliest Transaction Required
to be Reported (Month/Day/Year):	December 22, 2017

Designated Filer:	Halcyon Capital Management LP

Signature:

/s/ John Bader

Name:	John Bader
Title:	CEO

December 27, 2017

Date

Exhibit 99.2

Joint Filer Information

Name of Joint Filer:	Jason Dillow

Address of Joint Filer:	c/o Halcyon Capital Management LP
	477 Madison Avenue, 8th Floor
	New York, NY 10022

Relationship of Joint Filer to Issuer:	Director

Issuer Name and Ticker or Trading Symbol:	NextDecade Corporation [NEXT]

Date of Earliest Transaction Required
to be Reported (Month/Day/Year):	December 22, 2017

Designated Filer:	Halcyon Capital Management LP

Signature:

/s/ Jason Dillow

Name:	Jason Dillow
Title:	Portfolio Manager

December 27, 2017

Date

HCN GP LLC 4