Sec Form 4 Filing - Shalennial Fund I, L.P. @ Archaea Energy Inc. - 2022-12-28

FORM 4 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 Shalennial Fund I, L.P. 2. Issuer Name and Ticker or Trading Symbol Archaea Energy Inc. [ LFG] 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) 102 EAST MAIN STREET, SECOND STORY 3. Date of Earliest Transaction (MM/DD/YY) 12/28/2022 (Street) CARNEGIE, PA15106 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ 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 Class B Common Stock 12/28/2022 D 12,499,929 D $ 0( 1 )( 2 ) 0 D

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 Class A Units of LFG Acquisition Holdings LLC ( 3 ) 12/28/2022 D 12,499,929 ( 3 ) ( 3 ) Class A Common Stock 12,499,929 $ 26( 1 )( 3 ) 0 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Shalennial Fund I, L.P. 102 EAST MAIN STREET, SECOND STORY CARNEGIE, PA15106 X Signatures /s/ Mitchell Athey, as Attorney-in-Fact 12/28/2022 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Pursuant to the Agreement and Plan of Merger, dated October 16, 2022 (the "Merger Agreement"), by and among the Issuer, LFG Acquisition Holdings LLC ("Opco"), BP Products North America Inc. ("Parent"), Condor RTM Inc. ("Merger Sub") and Condor RTM LLC ("Opco Merger Sub"), Merger Sub merged with and into the Issuer, with the Issuer surviving as a wholly owned subsidiary of Parent (the "Issuer Merger"), and Opco Merger Sub merged with and into Opco, with Opco continuing as the surviving company and a wholly owned subsidiary of Parent (the "Opco Merger"). ( 2 )Pursuant to the Merger Agreement, at the effective time of the Issuer Merger (the "Effective Time"), each share of the Issuer's Class B common stock, par value $0.0001 per share ("Class B Common Stock"), was automatically canceled and extinguished without any conversion thereof or consideration paid therefor. ( 3 )Prior to the Effective Time, the Class A Units of Opco (each, an "Opco Unit") (together with the corresponding shares of Class B Common Stock) were exchangeable into shares of the Issuer's Class A Common Stock, par value $0.0001 per share, on a one-for-one basis and had no expiration date. At the effective time of the Opco Merger (the "Opco Merger Effective Time"), pursuant to the Merger Agreement, each Opco Unit held by a holder other than the Issuer or any of its subsidiaries issued and outstanding as of immediately prior to the Opco Merger Effective Time was automatically canceled, extinguished and converted into the right to receive $26.00 in cash, without interest.

Remarks: Exhibit List: Exhibit 24 - Power of Attorney

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