Sec Form 3 Filing - Hanwha Aerospace Co., Ltd. @ NextDecade Corp. - 2024-06-13

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 Hanwha Aerospace Co., Ltd. 2. Issuer Name and Ticker or Trading Symbol NextDecade Corp. [ NEXT] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 1204, CHANGWON-DAERO, SEONGSAN-GU, 3. Date of Earliest Transaction (MM/DD/YY) 06/13/2024 (Street) CHANGWON-SI, GYEONGSANGNAM-DO, M551542 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 Common Stock 11,690,914 ( 1 ) D ( 2 ) ( 3 ) Common Stock 11,690,914 ( 1 ) D ( 3 ) ( 4 )

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

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Hanwha Aerospace Co., Ltd. 1204, CHANGWON-DAERO, SEONGSAN-GU CHANGWON-SI, GYEONGSANGNAM-DO, M551542 X Hanwha Ocean USA International LLC 5051 WESTHEIMER RD. GALLERIA TOWER II, SUITE 1400 HOUSTON, TX77056 X Hanwha Ocean USA Holdings Corp. 5051 WESTHEIMER RD. GALLERIA TOWER II, SUITE 1400 HOUSTON, TX77056 X Hanwha Ocean Co., Ltd. 3370, GEOJE-DAERO GEOJE-SI, GYEONGSANGNAM-DO, M553302 X Signatures Hanwha Aerospace Co., Ltd. By: /s/ Jaeil Son Title: Chief Executive Officer 06/21/2024 Signature of Reporting Person Date Hanwha Ocean USA International LLC By: /s/ Sukwon Lee Title: Chief Executive Officer 06/21/2024 Signature of Reporting Person Date Hanwha Ocean USA Holdings Corp. By: /s/ Sukwon Lee Title: Chief Executive Officer 06/21/2024 Signature of Reporting Person Date Hanwha Ocean Co., Ltd. By: /s/ Duhyoung Ryoo Title: President 06/21/2024 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Includes shares of common stock (the "Common Stock"), par value $0.0001 per share, of NextDecade Corporation, a Delaware corporation, that both Hanwha Aerospace Co., Ltd. ("Hanwha Aerospace"), a corporation organized under the laws of the Republic of Korea, and Hanwha Ocean USA International LLC ("Hanwha Ocean LLC"), a Delaware limited liability company, agreed to purchase pursuant to the secondary block trade agreement, dated June 13, 2024, by and among Hanwha Aerospace and the sellers party thereto (the "Sellers"), and the secondary block trade agreement, dated June 13, 2024, by and among Hanwha Ocean LLC and the Sellers, respectively, as more fully described in the Amendment No. 2 to the Schedule 13D filed by HGC NEXT INV LLC ("HGC"), a Delaware limited liability company, on June 17, 2024. ( 2 )Reflects securities to be held directly by Hanwha Aerospace. ( 3 )This filing shall not be deemed an admission that the reporting persons are beneficial owners of all securities covered by this filing for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act") or otherwise, or are subject to Section 16 of the Exchange Act, and each of the reporting persons disclaims beneficial ownership of the securities reported herein, except to the extent of their pecuniary interest therein. ( 4 )Reflects securities to be held directly by Hanwha Ocean LLC. Hanwha Ocean USA Holdings Corp. ("Hanwha Ocean Corp."), a Delaware corporation, is the sole member of Hanwha Ocean LLC, and Hanwha Ocean Co., Ltd., a corporation organized under the laws of the Republic of Korea, is the sole shareholder of Hanwha Ocean Corp.

Remarks: The reporting persons, together with the entities identified on HGC's Form 3 filed July 24, 2023, may be deemed members of a "group" (as such term is used in Section 13(d) of the Exchange Act and the rules promulgated thereunder) that beneficially own more than 10% of the outstanding shares of Common Stock. Each of the reporting persons disclaims membership in any such group.

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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