HOUSTON--(BUSINESS WIRE)--NextDecade Corporation (NextDecade or the Company) (NASDAQ: NEXT) announced today that it has executed a 20-year liquefied natural gas (LNG) sale and purchase agreement (SPA) with ConocoPhillips (NYSE: COP) for offtake from Rio Grande LNG Train 5. ConocoPhillips will purchase 1.0 MTPA of LNG for 20 years on a free on board basis at a price indexed to Henry Hub, subject to NextDecade making a positive final investment decision (FID) on Train 5. "ConocoPhillips has a lon. ...