Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

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

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1. Name and Address of Reporting Person * CH4 Natural Solutions Acquisition Sponsor Manager, LLC 2. Issuer Name and Ticker or Trading Symbol CH4 Natural Solutions Corp [MTNE] 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) C/O RIVERSTONE EARTH LLC, 712 FIFTH AVENUE, 36TH FLOOR 3. Date of Earliest Transaction (Month/Day/Year) 05/04/2026 (Street) NEW YORK, NY 10019 4. If Amendment, Date Original Filed (Month/Day/Year) 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 (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 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 Class A Ordinary Shares 05/04/2026 P 200,000 A (1) 200,000(1) I(2) See footnote(2)

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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 (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

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 (Month/Day/Year)

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
CH4 Natural Solutions Acquisition Sponsor Manager, LLC C/O RIVERSTONE EARTH LLC 712 FIFTH AVENUE, 36TH FLOOR NEW YORK, NY 10019		X
Riverstone Earth LLC C/O RIVERSTONE EARTH LLC 712 FIFTH AVENUE, 36TH FLOOR NEW YORK, NY 10019		X
LEUSCHEN DAVID M C/O RIVERSTONE EARTH LLC 712 FIFTH AVENUE, 36TH FLOOR NEW YORK, NY 10019	X	X	Chairman and CEO

Signatures

/s/ Arthuros Mangriotis, CH4 Natural Solutions Acquisition Sponsor Manager, LLC, By: Arthuros Mangriotis, Authorized Person		05/04/2026
**Signature of Reporting Person		Date
/s/ Arthuros Mangriotis, Riverstone Earth LLC, By: Arthuros Mangriotis, Attorney-in-fact		05/04/2026
**Signature of Reporting Person		Date
/s/ Arthuros Mangriotis, David Leuschen, By: Arthuros Mangriotis, Attorney-in-fact		05/04/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	Simultaneously with the consummation of CH4 Natural Solution Corporation's (the "Issuer") initial public offering, CH4 Natural Solutions Acquisition Security Holdings LLC ("Security Holdings") acquired, at a price of $10.00 per unit, 200,000 private placement units of the Issuer. Each private placement unit consists of one Class A ordinary share and one-half of one warrant. The warrants included in the private placement units will become exercisable, if at all, 30 days after the completion of the Issuer's initial business combination (the "Business Combination"), and will expire five years after the completion of the Business Combination or earlier upon redemption or liquidation.
(2)	Security Holdings is the record holder of the securities reported herein. CH4 Natural Solutions Acquisition Sponsor Manager, LLC is the managing member of Security Holdings. Riverstone Earth LLC is the managing member of CH4 Natural Solutions Acquisition Sponsor Manager, LLC. David Leuschen is the sole member of Riverstone Earth LLC. As such, CH4 Natural Solutions Acquisition Sponsor Manager, LLC, Riverstone Earth LLC and David Leuschen may be deemed to have or share beneficial ownership of the private placement units held directly by Security Holdings. Such entity or person disclaims any beneficial ownership of such securities held by Security Holdings other than to the extent of any pecuniary interest they may have therein, directly or indirectly, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or any other purpose.

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