NextDecade Appoints Key Marketing Personnel, Opens Offices in Singapore and Beijing

Actions Reinforce NextDecade’s Commitment to World’s Largest
and Fastest Growing LNG Markets

THE WOODLANDS, Texas–(BUSINESS WIRE)–NextDecade Corporation (“NextDecade” or the “Company”) (NASDAQ: NEXT)
announced today that, effective April 23, 2018, James MacTaggart will
join the Company as Senior Vice President, LNG Marketing – Asia. In
addition, NextDecade has opened offices in Singapore and Beijing to
serve customers throughout Asia.

“The appointment of James and the opening of these offices reinforce our
commitment to serving the world’s largest and fastest growing LNG
markets,” said Matt Schatzman, NextDecade President & Chief Executive
Officer. “We believe focusing on these markets is key to achieving a
successful Final Investment Decision on our Rio Grande LNG project.”

MacTaggart has served more than 20 years with Shell in various marketing
and trading positions. “I am honored to join the seasoned and highly
capable team at NextDecade,” said MacTaggart, who is based in, and will
lead, NextDecade’s Singapore office. “I am eager to bring to
NextDecade’s prospective customers the significant competitive
advantages of the Rio Grande LNG project, including its market-leading
EPC costs and its proximity to abundant, low-cost natural gas resources
in the Permian Basin and Eagle Ford Shale.”

Before joining NextDecade, MacTaggart was General Manager of Shell’s New
Gas and LNG Markets business in Asia, India, and the Middle East. During
his time at Shell, MacTaggart originated, negotiated, and executed a
significant number of deals in the upstream, gas and power, and LNG
trading businesses. These activities included working to set up Shell
Energy India, negotiating LNG sales contracts for the Sakhalin 2 LNG
project, and selling some of the first LNG cargoes into the Middle East.

MacTaggart completed his undergraduate studies at the School of Oriental
and African Studies in London, and holds an M.B.A. with distinction from
Cass Business School.

About NextDecade Corporation

NextDecade is an LNG development company focused on LNG export projects
and associated pipelines in Texas. NextDecade intends to develop a
portfolio of LNG projects, including the 27 mtpa Rio Grande LNG export
facility in Brownsville, Texas and the 4.5 Bcf/d Rio Bravo Pipeline that
would transport natural gas from the Agua Dulce supply area to Rio
Grande LNG. NextDecade’s common stock is listed on the Nasdaq Capital
Market under the symbol “NEXT.” NextDecade is headquartered in The
Woodlands, Texas. www.next-decade.com

CAUTIONARY INFORMATION ABOUT FORWARD-LOOKING STATEMENTS

This press release contains forward-looking statements within the
meaning of U.S. federal securities laws. The words “believe”, “expect”,
“intend”, “plan”, “potential”, and similar expressions are intended to
identify forward-looking statements, and these statements may relate to
the business of the Company and its subsidiaries. These statements
involve a number of known and unknown risks, which may cause actual
results to differ materially from expectations expressed or implied in
the forward-looking statements. These risks include uncertainties about
the Company’s Rio Grande LNG and Rio Bravo pipeline projects and other
matters discussed in the “Risk Factors” section of the Company’s Annual
Report on Form 10-K for the year ended December 31, 2017 and other
subsequent reports filed by the Company with the United States
Securities and Exchange Commission, all of which are incorporated herein
by reference. Any development of such projects remain contingent upon
completing required commercial agreements; acquiring all necessary
permits and approvals; securing all financing commitments and potential
tax incentives; achieving other customary conditions; and making a final
investment decision to proceed. The forward-looking statements in this
press release speak as of the date of this release. Although the Company
may from time to time voluntarily update its prior forward-looking
statements, it disclaims any commitment to do so except as required by
securities laws.

Contacts

INVESTORS
NextDecade
Patrick Hughes, + 1
832-209-8131
[email protected]
or
MEDIA
Ward
for NextDecade
Molly LeCronier, + 1 713-869-0707
[email protected]