HOUSTON–(BUSINESS WIRE)–NextDecade Corporation (“NextDecade”) (NASDAQ: NEXT) announced today the execution of a 20-year sale and purchase agreement (“SPA”) with ENN LNG (Singapore) Pte Ltd (“ENN LNG”), a wholly-owned subsidiary of ENN Natural Gas Co., Ltd. (“ENN”) for the supply of liquefied natural gas (“LNG”) from NextDecade’s Rio Grande LNG export project (“RGLNG”) in Brownsville, Texas. Under the SPA, ENN LNG will purchase 1.5 million metric tonnes per annum (MTPA) of LNG indexed to Henry