X0306 5 2022-12-31 0 0 1 0001592057 Enviva Inc. EVA 0001817542 Riverstone Echo GP, LLC 712 FIFTH AVENUE 36TH FLOOR NEW YORK NY 10019 1 0 1 0 0001817543 Riverstone Echo Partners, L.P. C/O RIVERSTONE HOLDINGS LLC 712 FIFTH AVENUE, 36TH FLOOR NEW YORK NY 10019 1 0 1 0 0001817538 Riverstone ECF GP, LLC 712 FIFTH AVENUE 36TH FLOOR NEW YORK NY 10019 1 0 1 0 0001817544 Riverstone Echo Rollover GP, LLC C/O RIVERSTONE HOLDINGS LLC 712 FIFTH AVENUE, 36TH FLOOR NEW YORK NY 10019 1 0 1 0 0001817539 Riverstone Echo Rollover Holdings, L.P. C/O RIVERSTONE HOLDINGS LLC 712 FIFTH AVENUE, 36TH FLOOR NEW YORK NY 10019 1 0 1 0 0001817541 Riverstone Echo Continuation Holdings, L.P. C/O RIVERSTONE HOLDINGS LLC 712 FIFTH AVENUE, 36TH FLOOR NEW YORK NY 10019 1 0 1 0 0001902658 Riverstone Echo PF Holdings, L.P. C/O RIVERSTONE HOLDINGS LLC 712 FIFTH AVENUE, 36TH FLOOR NEW YORK NY 10019 1 0 1 0 Common Stock 2022-02-25 4 A 0 L 103302 A 28262452 I See Footnotes Common Stock 2022-05-27 4 A 0 L 98042 A 28262452 I See Footnotes Common Stock 2022-08-26 4 A 0 L 116438 A 28262452 I See Footnotes Common Stock 2022-11-25 4 A 0 L 146747 A 28262452 I See Footnotes Includes 103,302 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 25, 2022 of which 49,888 shares were issued to Riverstone Echo Continuation Holdings, L.P. ("Echo Continuation Holdings"), 9,307 shares were issued to Riverstone Echo Rollover Holdings, L.P. ("Echo Rollover Holdings"), and 44,107 shares were issued to Riverstone Echo PF Holdings, L.P. ("PF Holdings"). Includes 98,042 shares of Common Stock issued in respect of reinvested dividends pursuant to the Support Agreement on May 27, 2022 of which 47,347 shares were issued to Echo Continuation Holdings, 8,834 shares were issued to Echo Rollover Holdings, and 41,861 shares were issued to PF Holdings. Includes 116,438 shares of Common Stock issued in respect of reinvested dividends pursuant to the Support Agreement on August 26, 2022 of which 56,231 shares were issued to Echo Continuation Holdings, 10,491 shares were issued to Echo Rollover Holdings, and 49,716 shares were issued to PF Holdings. Includes 146,747 shares of Common Stock issued in respect of reinvested dividends pursuant to the Support Agreement on November 25, 2022 of which 70,868 shares were issued to Echo Continuation Holdings, 13,222 shares were issued to Echo Rollover Holdings, and 62,657 shares were issued to PF Holdings. Issued in connection with each reporting person's obligations to reinvest quarterly cash dividends pursuant to the Support Agreement, to which the reporting persons are parties. 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"). 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. Due to limitations of the electronic filing system, Riverstone Holdings LLC, Riverstone Management Group, L.L.C., Riverstone/Gower Mgmt Co Holdings, L.P., David M. Leuschen, and Pierre F. Lapeyre are filing a separate Form 5. RIVERSTONE ECHO GP, LLC By: /s/ Peter Haskopoulos, Managing Director 2023-02-14 RIVERSTONE ECHO PARTNERS, L.P. By: Riverstone Echo GP, LLC, its general partner, By: /s/ Peter Haskopoulos, Managing Director 2023-02-14 RIVERSTONE ECF GP, LLC By: /s/ Peter Haskopoulos, Managing Director 2023-02-14 RIVERSTONE ECHO ROLLOVER GP, LLC By: /s/ Peter Haskopoulos, Managing Director 2023-02-14 RIVERSTONE ECHO ROLLOVER HOLDINGS, L.P. By: Riverstone Echo Rollover GP, LLC, its general partner, By: /s/ Peter Haskopoulos, Managing Director 2023-02-14 RIVERSTONE ECHO CONTINUATION HOLDINGS, L.P. By: Riverstone ECF GP, LLC, its general partner, By: /s/ Peter Haskopoulos, Managing Director 2023-02-14 RIVERSTONE ECHO PF HOLDINGS, L.P. By: Riverstone ECF GP, LLC, its general partner, By: /s/ Peter Haskopoulos, Managing Director 2023-02-14