NASDAQ: NEXT

Our common stock trades on the Nasdaq Capital Market (“Nasdaq”) under the symbol “NEXT.”

Rio Grande LNG Facility Activity

Liquefaction Facilities Overview

We are constructing and developing the Rio Grande LNG Facility on the north shore of the Brownsville Ship Channel in south Texas. The site is located on approximately 1,000 acres of land which has been leased long-term and includes 15,000 feet of frontage on the Brownsville Ship Channel. We believe the site is advantaged due to its proximity to abundant natural gas resources in the Permian Basin and Eagle Ford Shale, access to an uncongested waterway for vessel loading, location in a region that has historically been subject to fewer and less severe weather events relative to other locations along the U.S. Gulf Coast, access to a large, skilled local labor force, and strong geotechnical conditions requiring less piling for soil stabilization. Trains 1 through 5 at the Rio Grande LNG Facility are under construction, and we are developing and advancing the permitting process for Trains 6 through 8. There is sufficient space at the Rio Grande LNG Facility site for up to 10 liquefaction trains.

Construction commenced on Phase 1 at the Rio Grande LNG Facility in July 2023, on Train 4 in September 2025, and on Train 5 in October 2025, in each case following a positive final investment decision ("FID") and the closing of project financing by the Company's subsidiaries. Construction will be completed by Bechtel Energy Inc. (“Bechtel”) under fully wrapped, lump-sum turnkey engineering, procurement, and construction (“EPC”) contracts, and the facility will utilize Honeywell AP-C3MR liquefaction technology, which is a predominant liquefaction technology utilized globally.

The combined scope of Phase 1, Train 4, and Train 5 includes five liquefaction trains with a total expected LNG production capacity of approximately 30 million tonnes per annum ("MTPA"), four 180,000 cubic meter full containment LNG storage tanks, two jetty berthing structures designed to load LNG carriers up to 216,000 cubic meters in capacity, and associated site infrastructure and common facilities including feed gas pretreatment facilities, electric and water utilities, ground flares, roads, levees surrounding the site, and warehouses, administrative, operations control room, and maintenance buildings.

LNG Sale and Purchase Agreements for Trains 1 through 5

We have entered into long-term LNG Sale and Purchase Agreements ("SPAs") with 14 creditworthy counterparties for aggregate volumes of approximately 25.3 MTPA of LNG from Trains 1 through 5 at the Rio Grande LNG Facility. The SPAs have a weighted average term of 19.5 years. Under these SPAs, the customers will purchase LNG from the Rio Grande LNG Facility for a price consisting of a fixed fee per MMBtu of LNG plus a variable fee per MMBtu of LNG, with the variable fees structured to cover the expected cost of natural gas plus fuel and other sourcing costs to produce LNG. In certain circumstances, customers may elect to cancel or suspend deliveries of LNG cargoes, in which case the customers would still be required to pay the fixed fee with respect to cargoes that are not delivered. A portion of the fixed fee under each SPA will be subject to annual adjustment for inflation. The SPAs and contracted volumes to be made available under the SPAs are not tied to a specific train; however, the commencement of the term of each SPA is tied to a specified train.

Each of these SPAs is currently effective, and deliveries of LNG under these SPAs will commence on the respective Date of First Commercial Delivery (“DFCD”), which is primarily tied to the substantial completion or guaranteed substantial completion dates of specific trains as defined in each SPA. Of the SPAs for Trains 1 through 5, approximately 23.75 MTPA are linked to Henry Hub and have average fixed fees, unadjusted for inflation, totaling approximately $3.0 billion expected to be paid annually.

Marketing of Uncontracted Volumes

We expect to sell any commissioning LNG volumes and operational LNG volumes in excess of SPA volumes ("portfolio volumes") into the LNG market through spot, short-term, and medium-term agreements. We have entered into certain time charter agreements and expect to enter into additional time charter agreements with vessel owners to provide shipping capacity for LNG sales

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related to our 1.0 MTPA delivered ex-ship SPA, expected commissioning volumes, and expected portfolio volumes. We may subcharter vessels with third parties from time to time to manage our shipping needs relative to chartered capacity.

Engineering, Procurement and Construction (“EPC”)

We have entered into fully wrapped, lump-sum turnkey contracts with Bechtel, a well-established and reputable LNG engineering and construction firm, for the engineering, procurement, and construction of Phase 1, Train 4, and Train 5 at the Rio Grande LNG Facility, under which Bechtel has generally guaranteed cost, performance, and schedule. Under these EPC contracts, Bechtel is responsible for the engineering, procurement, construction, commissioning, and startup of liquefaction trains and their respective related infrastructure.

On July 12, 2023, we issued final notice to proceed to Bechtel under the EPC contracts for Phase 1. Total expected capital costs for Phase 1 are estimated to be approximately $18.0 billion, including estimated EPC costs, owner’s costs, contingencies, and financing costs, and including amounts spent prior to FID under limited notices to proceed.

On September 9, 2025, we issued final notice to proceed to Bechtel under the EPC contract for Train 4. Total expected capital costs for Train 4 are estimated to be approximately $6.7 billion, including estimated EPC costs, owner's costs, contingencies, financing costs, and other costs, including a payment to be made at the commencement of operations to the trains in commercial operation at such date for Train 4's proportionate share of the capital costs of the common facilities it will access, net of the capital cost of any common facilities constructed under the Train 4 EPC contract.

On October 16, 2025, we issued final notice to proceed to Bechtel under the EPC contract for Train 5. Total expected capital costs for Train 5 are estimated to be approximately $6.7 billion, including estimated EPC costs, owner's costs, contingencies, financing costs, and other costs, including a payment to be made at the commencement of operations to the trains in commercial operation at such date for Train 5's proportionate share of the capital costs of the common facilities it will access, net of the capital cost of any common facilities constructed under the Train 5 EPC contract.

Natural Gas Transportation and Supply

We are in the process of executing a substantial and diversified natural gas feedstock sourcing and transportation strategy to spread risk exposure across multiple contracts, counterparties, and pricing hubs. We expect to enter into gas supply arrangements with a wide range of suppliers, and we also expect to leverage trading platforms and exchanges to lock in natural gas supply prices and/or hedge risk.

We have entered into agreements for transportation of natural gas to the Rio Grande LNG Facility on both a firm and interruptible basis to support commissioning and operations and provide the ability to purchase natural gas supplies at the Agua Dulce Hub and other physical access points, giving us access to prolific gas production from the Permian Basin, Eagle Ford Shale, and additional basins, and providing significant flexibility to obtain competitively priced natural gas feedstock.

We believe our proximity to major reserve basins and shale plays, increasing pipeline capacity in the area, a significant amount of natural gas production and infrastructure investment, as well as our existing contacts and discussions with some of the largest regional operators, represent key elements of a comprehensive and effective feed gas strategy.

NextDecade Economic Interest in Trains 1 Through 5

Pursuant to a joint venture agreement with equity partners for ownership of Phase 1 at the Rio Grande LNG Facility, we expect to receive up to approximately 20.8% of distributions of available cash generated from Phase 1 operations, provided that a majority of the cash distributions to which we are otherwise entitled will be paid for any distribution period only after our equity partners receive an agreed distribution threshold in respect of such distribution period and certain other deficit payments from prior distribution periods, if any, are made.

Pursuant to a joint venture agreement with equity partners for ownership of Train 4 at the Rio Grande LNG Facility, we expect to receive 40% of distributions of available cash generated from Train 4 operations, which will increase to 60% when the equity partners receive a certain return on their investments in Train 4.

Pursuant to a joint venture agreement with equity partners for ownership of Train 5 at the Rio Grande LNG Facility, we expect to receive 50% of distributions of available cash generated from Train 5 operations, which will increase to 70% when the equity partners receive a certain return on their investments in Train 5.

Development of Additional Liquefaction Capacity

We are developing and advancing the permitting process for Trains 6 through 8 at the Rio Grande LNG Facility site, which are currently wholly owned by NextDecade and are cumulatively expected to increase the Company's total liquefaction capacity by approximately 18 MTPA once constructed and placed into operation.

Train 6 is being developed inside the existing levee at the Rio Grande LNG Facility site and adjacent to Trains 1 through 5. In November 2025, we initiated the pre-filing process with FERC for expansion at the Rio Grande LNG Facility that includes Train 6 and

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an additional marine berth, and we expect to file a full application for this expansion with FERC in mid-2026. We are evaluating multiple areas on the site for the development of Trains 7 and 8 and expect to advance the development of these trains throughout 2026.

There is sufficient space at the Rio Grande LNG Facility site for up to 10 liquefaction trains.

Governmental Permits, Approvals and Authorizations

We are required to obtain governmental approvals and authorizations to implement our proposed business strategy, which includes the design, construction and operation of the Rio Grande LNG Facility and the export of LNG from the U.S. to foreign countries. The design, siting, construction and operation of LNG export facilities and the export of LNG is a regulated activity and is subject to Section 3 of the Natural Gas Act (the "NGA"). Federal law has bifurcated regulatory jurisdiction of LNG export activities. The Federal Energy Regulatory Commission ("FERC") has jurisdiction to authorize the siting, construction and operation of LNG export facilities. The Department of Energy (“DOE”) has jurisdiction over the import and export of the natural gas commodity, including natural gas in the form of LNG. The FERC also has jurisdiction over the siting, construction and operation of interstate natural gas pipelines under Section 7 of the NGA and regulates interstate pipelines’ rates and terms and conditions of service under Sections 4 and 5 of the NGA. In 2002, the FERC established a policy of not regulating the terms and conditions of service for LNG import or export facilities or requiring that LNG import or export facilities operate as “open access” facilities for all customers. The Energy Policy Act of 2005, which amended the NGA, codified this policy until January 1, 2015, and the FERC has not indicated that it intends to depart from its policy of not regulating the terms or conditions of service or requiring that LNG import or export facilities operate on an open access basis.

Although the FERC acts as the lead agency with jurisdiction over LNG import and export facilities, other federal and state agencies act as cooperating agencies, coordinating with the FERC to evaluate applications for LNG export facilities. These agencies include the U.S. Department of Transportation’s Pipeline and Hazardous Materials Safety Administration (the “PHMSA”), the U.S. Coast Guard (the “Coast Guard”), the U.S. Army Corps of Engineers, the U.S. Environmental Protection Agency, the International Boundary and Water Commission and other federal agencies with jurisdiction over potential environmental impacts of LNG export facility construction and operation. Certain federal laws, such as the Clean Water Act, the Clean Air Act and the Coastal Zone Management Act, delegate authority over certain actions to state agencies, like the Texas Commission on Environmental Quality and the Railroad Commission of Texas. In reviewing an application for an LNG import or export facility or an interstate natural gas pipeline, the FERC also works with these state agencies that have jurisdiction over certain aspects of LNG facility or interstate natural gas pipeline construction or operation.

In particular, the PHMSA has established safety standards for interstate natural gas pipelines and LNG facilities. Similarly, the Coast Guard has established safety regulations for marine operations at LNG facilities and the operation of LNG carriers. The FERC, the PHMSA and the Coast Guard entered into a Memorandum of Understanding in 2004 that establishes the FERC’s primary role in evaluating LNG facility applications and defines the process for coordinating the review of an LNG import or export facility application with the PHMSA and the Coast Guard. In 2018, the FERC and the PHMSA entered into a separate Memorandum of Understanding that establishes the process and timeline by which the PHMSA should determine whether an LNG facility will meet the PHMSA’s LNG safety siting standards.

We have obtained all major permits required to build and export LNG from the first five liquefaction trains and related infrastructure at the Rio Grande LNG Facility, including FERC approval and Department of Energy FTA and non-FTA export authorizations.

In March 2025, the U.S. Court of Appeals for the District of Columbia (the "D.C. Circuit Court") issued a revision to its August 2024 decision regarding our FERC order, resulting in a remand without vacatur of the FERC order for the first five liquefaction trains at the Rio Grande LNG Facility. Pursuant to the remand, FERC was to consider the issue of a supplemental Environmental Impact Statement (“SEIS”) in view of several executive orders issued since January 20, 2025.

In March 2025, the FERC issued a draft SEIS for the first five liquefaction trains at the Rio Grande LNG Facility. In July 2025, the FERC issued a final SEIS for the first five liquefaction trains at the Rio Grande LNG Facility. In August 2025, the FERC issued a final order on remand (“Remand Order”) reaffirming its authorization for the siting, construction, and operation of the first five liquefaction trains at the Rio Grande LNG Facility. In September 2025, a request for rehearing of the Remand Order was filed by certain intervenors and on October 30, 2025, the rehearing request was deemed denied by operation of law, rendering the Remand Order no longer appealable to FERC. In December 2025, the intervenors that filed a request for rehearing with FERC petitioned the D.C. Circuit Court to review the Remand Order, and their request remains pending.

Corporate and Other Activities

We are required to maintain corporate and general and administrative functions to serve our business activities described above, including construction of Trains 1 through 5 at the Rio Grande LNG Facility, the development of Trains 6 through 8, and evaluating the potential development of a CCS project at the Rio Grande LNG Facility.

Competition

We are subject to a high degree of competition in all aspects of our business. See “Item 1.A — Risk Factors — Competition in the industries in which we operate is intense, and some of our competitors have greater financial, technological and other resources.”

The Rio Grande LNG Facility will compete with liquefaction facilities worldwide to supply LNG to the global market. In this market, we will compete with a variety of companies, such as independent, technology-driven companies, state-owned companies, and other independent oil and natural gas companies and utilities. Many of these competitors have longer operating histories, more

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development experience, greater name recognition, greater access to the LNG market, more employees, and substantially greater financial, technical and marketing resources than we currently possess.

Employees

As of December 31, 2025, we had 360 full-time employees. We have no collective bargaining agreements with our employees.

Offices

Our principal executive offices are located at 1000 Louisiana St., Suite 3300, Houston, Texas, 77002, and our telephone number is (713) 574-1880.

Available Information

Our internet website address is www.next-decade.com. We intend to use our website as a means of disclosing information for complying with disclosure obligations under Regulation FD. Such disclosures will be included on our website under the heading “Investors.” Accordingly, investors should monitor such portion of our website, in addition to following our press releases and SEC filings. Within our website under the heading “Investors,” we make available free of charge our Annual Report on Form 10-K, Quarterly Reports on Form 10-Q, Current Reports on Form 8-K, and amendments to those reports filed with or furnished to the SEC under applicable securities laws. These materials are made available as soon as reasonably practical after we electronically file such materials with or furnish such materials to the SEC. Information on our website is not incorporated by reference into this Annual Report on Form 10-K and should not be considered part of this document. In addition, we intend to disclose on our website any amendments to, or waivers from, our Code of Conduct and Ethics that are required to be publicly disclosed pursuant to rules of the SEC.

The SEC also maintains a website that contains reports, proxy and information statements and other information regarding issuers that file electronically with the SEC at www.sec.gov.