X0306 4 2019-07-29 0 0001772695 Sunnova Energy International Inc. NOVA 0001707921 ECP ControlCo, LLC 51 JOHN F. KENNEDY PARKWAY SUITE 200 SHORT HILLS NJ 07078 0 0 1 0 0001621292 ENERGY CAPITAL PARTNERS III, LLC 51 JOHN F. KENNEDY PARKWAY SUITE 200 SHORT HILLS NJ 07078 0 0 1 0 0001697506 Energy Capital Partners GP III, LP 51 JOHN F. KENNEDY PARKWAY SUITE 200 SHORT HILLS NJ 07078 0 0 1 0 0001594546 ENERGY CAPITAL PARTNERS III, LP 51 JOHN F. KENNEDY PARKWAY SUITE 200 SHORT HILLS NJ 07078 0 0 1 0 0001594547 ENERGY CAPITAL PARTNERS III-A, LP 51 JOHN F. KENNEDY PARKWAY SUITE 200 SHORT HILLS NJ 07078 0 0 1 0 0001594548 ENERGY CAPITAL PARTNERS III-B, LP 51 JOHN F. KENNEDY PARKWAY SUITE 200 SHORT HILLS NJ 07078 0 0 1 0 0001594549 ENERGY CAPITAL PARTNERS III-C, LP 51 JOHN F. KENNEDY PARKWAY SUITE 200 SHORT HILLS NJ 07078 0 0 1 0 0001594550 ENERGY CAPITAL PARTNERS III-D, LP 51 JOHN F. KENNEDY PARKWAY SUITE 200 SHORT HILLS NJ 07078 0 0 1 0 0001783494 Energy Capital Partners GP III Co-Investment (Sunnova), LLC 51 JOHN F. KENNEDY PARKWAY SUITE 200 SHORT HILLS NJ 07078 0 0 1 0 0001679310 Energy Capital Partners III (Sunnova Co-Invest), LP 51 JOHN F. KENNEDY PARKWAY SUITE 200 SHORT HILLS NJ 07078 0 0 1 0 Common Stock 2019-07-29 4 C 0 38352957 A 38352957 I See footnotes Series A Convertible Preferred Stock 2019-07-29 4 C 0 88550351 D Common Stock 37955570 0 I See footnotes Series C Convertible Preferred Stock 2019-07-29 4 C 0 927109 D Common Stock 397387 0 I See footnotes On July 29, 2019, the Issuer and Sunnova Energy Corporation completed a merger (the "Merger") pursuant to which the Issuer became a parent holding company of Sunnova Energy Corporation, and each issued and outstanding share of common stock and preferred stock of Sunnova Energy Corporation was converted into one share of common stock and preferred stock of the Issuer, respectively. As a result of the Merger, each stockholder of Sunnova Energy Corporation became a stockholder of the Issuer holding the same proportional equity interests as immediately prior to the Merger. In addition, the Issuer completed a 1-for-2.333 reverse stock split immediately prior to completion of the initial public offering. In connection with the completion of the Issuer's initial public offering, each share of Series A convertible preferred stock and Series C convertible preferred stock automatically converted into shares of the Issuer's Common Stock on a 2.333-for-1 basis (after giving effect to the reverse stock split consummated by the Issuer). Following the transactions reported herein, consists of: 528,150 shares of Common Stock held by Energy Capital Partners III, LP, 17,779,378 shares of Common Stock held by Energy Capital Partners III-A, LP, 2,147,150 shares of Common Stock held by Energy Capital Partners III-B, LP, 7,350,272 shares of Common Stock held by Energy Capital Partners III-C, LP, 9,071,496 shares of Common Stock held by Energy Capital Partners III-D, LP (collectively, the "ECP Funds") and 1,476,511 shares of Common Stock held by Energy Capital Partners III (Sunnova Co-Invest), LP ("ECP Sunnova"). ECP Control Co, LLC ("ECP Control Co") is the managing member of Energy Capital Partners III, LLC ("ECP GP"), which is (i) the general partner of Energy Capital Partners GP III, LP ("ECP Fund GP") and (ii) the managing member of Energy Capital Partners GP III Co-Investment (Sunnova), LLC ("ECP Sunnova GP"). ECP Fund GP is the general partner of each of the ECP Funds and ECP Sunnova GP is the general partner of ECP Sunnova. Douglas Kimmelman, Andrew Singer, Peter Labbat, Tyler Reeder and Rahman D'Argenio are the managing members of ECP ControlCo and share the power to vote and dispose of the securities beneficially owned by ECP ControlCo. As such, each of the foregoing entities and individuals may be deemed to share beneficial ownership of the Common Stock reported herein, but each disclaims any such beneficial ownership except to the extent of their pecuniary interest therein. ECP ControlCo, LLC, By: /s/ Rahman D'Argenio, Managing Member 2019-07-31 Energy Capital Partners III, LLC, By: ECP ControlCo, LLC, its managing member, By: /s/ Rahman D'Argenio, Managing Member 2019-07-31 Energy Capital Partners GP III, LP, By: Energy Capital Partners III, LLC, its general partner, By: ECP ControlCo, LLC, its managing member, By: /s/ Rahman D'Argenio, Managing Member 2019-07-31 Energy Capital Partners III, LP, By: Energy Capital Partners GP III, LP, its general partner, By: Energy Capital Partners III, LLC, its general partner, By: ECP ControlCo, LLC, its managing member, By: /s/ Rahman D'Argenio, Managing Member 2019-07-31 Energy Capital Partners III-A, LP, By: Energy Capital Partners GP III, LP, its general partner, By: Energy Capital Partners III, LLC, its general partner, By: ECP ControlCo, LLC, its managing member, By: /s/ Rahman D'Argenio, Managing Member 2019-07-31 Energy Capital Partners III-B, LP, By: Energy Capital Partners GP III, LP, its general partner, By: Energy Capital Partners III, LLC, its general partner, By: ECP ControlCo, LLC, its managing member, By: /s/ Rahman D'Argenio, Managing Member 2019-07-31 Energy Capital Partners III-C, LP, By: Energy Capital Partners GP III, LP, its general partner, By: Energy Capital Partners III, LLC, its general partner, By: ECP ControlCo, LLC, its managing member, By: /s/ Rahman D'Argenio, Managing Member 2019-07-31 Energy Capital Partners III-D, LP, By: Energy Capital Partners GP III, LP, its general partner, By: Energy Capital Partners III, LLC, its general partner, By: ECP ControlCo, LLC, its managing member, By: /s/ Rahman D'Argenio, Managing Member 2019-07-31 Energy Capital Partners GP III Co-Investment (Sunnova), LLC, By: Energy Capital Partners III, LLC, its managing member, By: ECP ControlCo, LLC, its managing member, By: /s/ Rahman D'Argenio, Managing Member 2019-07-31 Energy Capital Partners III (Sunnova Co-Invest), LP, By: Energy Capital Partners GP III Co-Investment (Sunnova), LLC, its general partner, By: Energy Capital Partners III, LLC, By: ECP ControlCo, LLC, By: /s/ Rahman D'Argenio, Managing Member 2019-07-31