Sec Form 3 Filing - Bardin Hill Opportunistic Credit Master (US) Fund II LP @ NextDecade Corp - 2025-07-22

FORM 3 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Bardin Hill Opportunistic Credit Master (US) Fund II LP 2. Issuer Name and Ticker or Trading Symbol NextDecade Corp [ NEXT] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner _____ Officer (give title below) X __ Other (specify below) Director by Deputization (Last) (First) (Middle) C/O BARDIN HILL INVESTMENT PARTNERS LP, 299 PARK AVE., 24TH FLOOR 3. Date of Earliest Transaction (MM/DD/YY) 07/22/2025 (Street) NEW YORK, NY10171 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Tranche C Warrants $ 9.3 07/22/2025 05/14/2030 Common Stock 818,171 ( 3 ) ( 4 ) I See notes ( 1 ) ( 2 ) ( 5 )

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Bardin Hill Opportunistic Credit Master (US) Fund II LP C/O BARDIN HILL INVESTMENT PARTNERS LP 299 PARK AVE., 24TH FLOOR NEW YORK, NY10171 Director by Deputization Bardin Hill Opportunistic Credit Fund II GP LLC C/O BARDIN HILL INVESTMENT PARTNERS LP 299 PARK AVE., 24TH FLOOR NEW YORK, NY10171 Director by Deputization Signatures See Exhibit 99.1 08/01/2025 Signature of Reporting Person Date

Explanation of Responses:

( 1 )This statement is being filed by the following Reporting Persons: Bardin Hill Opportunistic Credit Master (US) Fund II LP ("BH Opp Credit Master US II") and Bardin Hill Opportunistic Credit Fund II GP LLC ("BH Opp Credit II GP"). ( 2 )Bardin Hill Investment Partners LP ("Bardin Hill") is the investment manager of BH Opp Credit Master US II and BH Opp Credit II GP is the general partner of BH Opp Credit Master US II. Investment decisions of Bardin Hill are made by one or more of its portfolio managers, including Jason Dillow, John Greene and Pratik Desai, each of whom has individual decision-making authority. Avinash Kripalani is a Partner at Bardin Hill and serves on the board of directors of the Issuer as Bardin Hill's representative. ( 3 )In connection with entering into the Amendment to the Credit Agreement, dated May 14, 2025, providing for an incremental term loan to the Issuer, the Issuer issued 818,171 warrants to purchase an equal number of shares of the Issuer, subject to adjustment (the "Tranche C Warrants") to BH Opp Credit Master US II. In accordance with the terms of the Tranche C Common Stock Purchase Warrant Agreement, dated May 14, 2025, BH Opp Credit Master US II acquired beneficial ownership of the Tranche C Warrants on July 22, 2025, the date on which the average of the Daily VWAP for the previous thirty (30) consecutive trading days exceeded the exercise price of the Tranche C Warrants. The Tranche C Warrants are exercisable for $9.30 per share, subject to adjustment, on a cashless basis, at any time prior to May 14, 2030. ( 4 )The Tranche C Warrants are subject to anti-dilution protection upon certain issuances of Company securities at an effective price below the fair market value of the Company's capital stock, as determined in accordance with the Tranche C Warrants, and customary adjustment for stock splits, reverse splits, mergers, combinations, and other similar corporate transactions. ( 5 )Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of its, his or her pecuniary interest.

Remarks: Exhibit 99.1 (Joint Filer Information and Signatures) is incorporated herein by reference. This Form 3 is filed by Designated Filer Bardin Hill Opportunistic Credit Master (US) Fund II LP.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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