Sec Form 4 Filing - RIVERSTONE HOLDINGS LLC @ Enviva Inc. - 2023-02-24

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 RIVERSTONE HOLDINGS LLC 2. Issuer Name and Ticker or Trading Symbol Enviva Inc. [ EVA] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O RIVERSTONE HOLDINGS LLC, 712 FIFTH AVENUE, 36TH FLOOR 3. Date of Earliest Transaction (MM/DD/YY) 02/24/2023 (Street) NEW YORK, NY10019 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 02/24/2023 A 176,245 ( 1 ) A 28,438,697 I See Footnotes ( 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 RIVERSTONE HOLDINGS LLC C/O RIVERSTONE HOLDINGS LLC 712 FIFTH AVENUE, 36TH FLOOR NEW YORK, NY10019 X X Riverstone Management Group, L.L.C. C/O RIVERSTONE HOLDINGS LLC 712 FIFTH AVENUE, 36TH FLOOR NEW YORK, NY10019 X X Riverstone/Gower Mgmt Co Holdings, L.P. C/O RIVERSTONE HOLDINGS LLC 712 FIFTH AVENUE, 36TH FLOOR NEW YORK, NY10019 X X LEUSCHEN DAVID M C/O RIVERSTONE HOLDINGS LLC 712 FIFTH AVENUE, 36TH FLOOR NEW YORK, NY10019 X X LAPEYRE PIERRE F JR C/O RIVERSTONE HOLDINGS LLC 712 FIFTH AVENUE, 36TH FLOOR NEW YORK, NY10019 X X Signatures RIVERSTONE HOLDINGS LLC Peter Haskopoulos Authorized Person 02/28/2023 Signature of Reporting Person Date RIVERSTONE MANAGEMENT GROUP, L.L.C. Peter Haskopoulos Manager 02/28/2023 Signature of Reporting Person Date RIVERSTONE/GOWER MGMT CO HOLDINGS, L.P. Peter Haskopoulos Manager 02/28/2023 Signature of Reporting Person Date David M. Leuschen 02/28/2023 Signature of Reporting Person Date Pierre F. Lapeyre, Jr. 02/28/2023 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Includes 176,245 shares of the Issuer's Common Stock, par value $0.001 per share (the "Common Stock") issued in respect of reinvested dividends pursuant to the Support Agreement, dated October 14, 2021, by and among Enviva Partners, LP, the persons set forth on Schedule I attached thereto and the other parties named therein (the "Support Agreement") on February 24, 2023 of which 85,114 shares were issued to Riverstone Echo Continuation Holdings, L.P. ("Echo Continuation Holdings"), 15,879 shares were issued to Riverstone Echo Rollover Holdings, L.P. ("Echo Rollover Holdings"), and 75,252 shares were issued to Riverstone Echo PF Holdings, L.P. ("PF Holdings"). ( 2 )Issued in connection with each reporting person's obligation to reinvest quarterly cash dividends pursuant to the Support Agreement, to which the reporting persons are parties. ( 3 )David M. Leuschen and Pierre F. Lapeyre, Jr. are the managing directors of Riverstone Management Group, L.L.C. ("Riverstone Management"), and have or share voting and investment discretion with respect to the securities beneficially owned by Riverstone Management, which is the general partner of Riverstone/Gower Mgmt Co Holdings, L.P., which is the sole member of Riverstone Holdings LLC, which is the sole member of Riverstone Echo GP, LLC, which is the general partner of Riverstone Echo Partners, L.P., which is the sole member of each of Riverstone ECF GP, LLC ("ECF GP") and Riverstone Echo Rollover GP, LLC ("Echo Rollover GP"). ( 4 )ECF GP is the general partner of each of Echo Continuation Holdings and PF Holdings. Echo Rollover GP is the general partner of Echo Rollover Holdings. As a result of these relationships, each of these entities and individuals may be deemed to have or share beneficial ownership of the securities held of record by Echo Continuation Holdings, Echo Rollover Holdings, and PF Holdings. Each such entity or person disclaims beneficial ownership of such securities except to the extent of their respective pecuniary interest therein.

Remarks: Due to limitations of the electronic filing system, Riverstone Echo GP, LLC, Riverstone Echo Partners, L.P., Riverstone ECF GP, LLC, Riverstone Echo Rollover GP, LLC, Riverstone Echo Rollover Holdings, L.P., Riverstone Echo Continuation Holdings, L.P., and Riverstone Echo PF Holdings, L.P. are filing a separate Form 4.

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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