Investor Presentaiton

Rio Grande LNG Phase 1 Project Financing and Sources and Uses of Funds Project Debt Financing $12.3 billion project debt financing Credit Facilities - $11.1 billion 7-year mini-perm Construction Term Loan Facilities (Term Loans) - $500 million working capital facility (WCF) – $700 million 10-year private placement notes (Notes) - Term Loans, WCF and Notes are senior secured, pari passu and non-recourse Lender group includes many of the world's leading banks Sources and Uses of Funds Sources: Project Equity Construction Term Loans Senior Secured Notes Total Sources Uses: EPC Contracts 1 Owner's Costs and Contingency 2 $ Billions $ 6.1 11.1 0.7 $ 17.9 $ 11.9 2.3 Dredging, Utility Installations and Other 2 IDCs and Other Financing Costs 2 0.6 3.1 Total Uses $ 17.9 Rio Grande LNG Phase 1 is the largest greenfield energy project financing in U.S. history 1 Project Equity sources and the EPC Contracts uses are both net of NextDecade's ~$125 million of pre-FID capital investments into Phase 1 of which ~$120 million is attributable to limited notice to proceed work under the EPC Contracts. | 2 Owner's costs, contingency, dredging, utility installations and other and IDCs are expected amounts, which may ultimately vary from actual. RIO GRANDE LNG 16

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