Platinum Equity Investment Holdings, LLC

SEC source: 0001104659-26-108585 · tm2625546-1_4seq1.xml · nonDerivative · entry 1

PLATINUM EQUITY, LLC · CIK 0001228754 · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · 10% owner

Platinum Equity Investment Holdings IC (Cayman), LLC · CIK 0001756330 · 10% owner

Platinum Equity InvestCo, L.P. · CIK 0001756331 · 10% owner

Platinum Equity Investment Holdings V, LLC · CIK 0001854932 · 10% owner

Platinum Equity Partners V, LLC · CIK 0001854827 · 10% owner

Platinum Equity Partners V, L.P. · CIK 0001854950 · 10% owner

Imola JV Holdings, L.P. · CIK 0001918822 · 10% owner

Ingram Holdco, LLC · CIK 0002080996 · 10% owner

Gores Tom · CIK 0001471783 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 162,372,569

F1 · ownership.nature: Imola JV Holdings, L.P. is the record holder of 19,626,323 shares of Common Stock and Ingram Holdco, LLC is the record holder of 142,746,246 shares of Common Stock. Tom Gores is the manager of Platinum Equity, LLC, which is the sole member of Platinum Equity Investment Holdings, LLC, which is the sole member of Platinum Equity Investment Holdings IC (Cayman), LLC, which is the general partner of Platinum Equity InvestCo, L.P., which is the sole member of Platinum Equity Investment Holdings V, LLC, which is the sole member of Platinum Equity Partners V, LLC, which is the general partner of Platinum Equity Partners V, L.P., which is the general partner of Imola JV Holdings, L.P., which is the sole member of Ingram Holdco, LLC. By virtue of these relationships, each of these entities and Mr. Gores may be deemed to share beneficial ownership of the securities reported herein.

SEC source: 0001104659-26-107514 · tm2625300-1_4seq1.xml · nonDerivative · entry 1

PLATINUM EQUITY, LLC · CIK 0001228754 · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · 10% owner

Platinum Equity Investment Holdings IC (Cayman), LLC · CIK 0001756330 · 10% owner

Platinum Equity InvestCo, L.P. · CIK 0001756331 · 10% owner

Platinum Equity Investment Holdings V, LLC · CIK 0001854932 · 10% owner

Platinum Equity Partners V, LLC · CIK 0001854827 · 10% owner

Platinum Equity Partners V, L.P. · CIK 0001854950 · 10% owner

Imola JV Holdings, L.P. · CIK 0001918822 · 10% owner

Ingram Holdco, LLC · CIK 0002080996 · 10% owner

Gores Tom · CIK 0001471783 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 164,341,319

F1 · ownership.nature: Imola JV Holdings, L.P. is the record holder of 19,626,323 shares of Common Stock and Ingram Holdco, LLC is the record holder of 144,714,996 shares of Common Stock. Tom Gores is the manager of Platinum Equity, LLC, which is the sole member of Platinum Equity Investment Holdings, LLC, which is the sole member of Platinum Equity Investment Holdings IC (Cayman), LLC, which is the general partner of Platinum Equity InvestCo, L.P., which is the sole member of Platinum Equity Investment Holdings V, LLC, which is the sole member of Platinum Equity Partners V, LLC, which is the general partner of Platinum Equity Partners V, L.P., which is the general partner of Imola JV Holdings, L.P., which is the sole member of Ingram Holdco, LLC. By virtue of these relationships, each of these entities and Mr. Gores may be deemed to share beneficial ownership of the securities reported herein.

SEC source: 0001104659-26-075299 · tm2618142-1_4seq1.xml · nonDerivative · entry 1

PLATINUM EQUITY, LLC · CIK 0001228754 · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · 10% owner

Platinum Equity Investment Holdings IC (Cayman), LLC · CIK 0001756330 · 10% owner

Platinum Equity InvestCo, L.P. · CIK 0001756331 · 10% owner

Platinum Equity Investment Holdings V, LLC · CIK 0001854932 · 10% owner

Platinum Equity Partners V, LLC · CIK 0001854827 · 10% owner

Platinum Equity Partners V, L.P. · CIK 0001854950 · 10% owner

Imola JV Holdings, L.P. · CIK 0001918822 · 10% owner

Ingram Holdco, LLC · CIK 0002080996 · 10% owner

Gores Tom · CIK 0001471783 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 177,466,319

F1 · ownership.nature: Imola JV Holdings, L.P. is the record holder of 19,626,323 shares of Common Stock and Ingram Holdco, LLC is the record holder of 157,839,996 shares of Common Stock. Tom Gores is the manager of Platinum Equity, LLC, which is the sole member of Platinum Equity Investment Holdings, LLC, which is the sole member of Platinum Equity Investment Holdings IC (Cayman), LLC, which is the general partner of Platinum Equity InvestCo, L.P., which is the sole member of Platinum Equity Investment Holdings V, LLC, which is the sole member of Platinum Equity Partners V, LLC, which is the general partner of Platinum Equity Partners V, L.P., which is the general partner of Imola JV Holdings, L.P., which is the sole member of Ingram Holdco, LLC. By virtue of these relationships, each of these entities and Mr. Gores may be deemed to share beneficial ownership of the securities reported herein.

SEC source: 0001104659-26-058081 · tm2614094-1_4seq1.xml · nonDerivative · entry 1

PLATINUM EQUITY, LLC · CIK 0001228754 · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · 10% owner

Platinum Equity Investment Holdings IC (Cayman), LLC · CIK 0001756330 · 10% owner

Platinum Equity InvestCo, L.P. · CIK 0001756331 · 10% owner

Platinum Equity Investment Holdings V, LLC · CIK 0001854932 · 10% owner

Platinum Equity Partners V, LLC · CIK 0001854827 · 10% owner

Platinum Equity Partners V, L.P. · CIK 0001854950 · 10% owner

Imola JV Holdings, L.P. · CIK 0001918822 · 10% owner

Ingram Holdco, LLC · CIK 0002080996 · 10% owner

Gores Tom · CIK 0001471783 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 182,633,388

F1 · ownership.nature: Imola JV Holdings, L.P. is the record holder of 19,626,323 shares of Common Stock and Ingram Holdco, LLC is the record holder of 163,007,065 shares of Common Stock. Tom Gores is the manager of Platinum Equity, LLC, which is the sole member of Platinum Equity Investment Holdings, LLC, which is the sole member of Platinum Equity Investment Holdings IC (Cayman), LLC, which is the general partner of Platinum Equity InvestCo, L.P., which is the sole member of Platinum Equity Investment Holdings V, LLC, which is the sole member of Platinum Equity Partners V, LLC, which is the general partner of Platinum Equity Partners V, L.P., which is the general partner of Imola JV Holdings, L.P., which is the sole member of Ingram Holdco, LLC. By virtue of these relationships, each of these entities and Mr. Gores may be deemed to share beneficial ownership of the securities reported herein.

SEC source: 0001104659-26-037994 · tm2610735-1_4seq1.xml · nonDerivative · entry 1

PLATINUM EQUITY, LLC · CIK 0001228754 · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · 10% owner

Platinum Equity Investment Holdings IC (Cayman), LLC · CIK 0001756330 · 10% owner

Platinum Equity InvestCo, L.P. · CIK 0001756331 · 10% owner

Platinum Equity Investment Holdings V, LLC · CIK 0001854932 · 10% owner

Platinum Equity Partners V, LLC · CIK 0001854827 · 10% owner

Platinum Equity Partners V, L.P. · CIK 0001854950 · 10% owner

Imola JV Holdings, L.P. · CIK 0001918822 · 10% owner

Ingram Holdco, LLC · CIK 0002080996 · 10% owner

Gores Tom · CIK 0001471783 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 197,104,541

F1 · ownership.nature: Imola JV Holdings, L.P. is the record holder of 19,626,323 shares of Common Stock and Ingram Holdco, LLC is the record holder of 177,478,218 shares of Common Stock. Tom Gores is the manager of Platinum Equity, LLC, which is the sole member of Platinum Equity Investment Holdings, LLC, which is the sole member of Platinum Equity Investment Holdings IC (Cayman), LLC, which is the general partner of Platinum Equity InvestCo, L.P., which is the sole member of Platinum Equity Investment Holdings V, LLC, which is the sole member of Platinum Equity Partners V, LLC, which is the general partner of Platinum Equity Partners V, L.P., which is the general partner of Imola JV Holdings, L.P., which is the sole member of Ingram Holdco, LLC. By virtue of these relationships, each of these entities and Mr. Gores may be deemed to share beneficial ownership of the securities reported herein.

SEC source: 0001104659-26-026412 · tm268511-1_4seq1.xml · nonDerivative · entry 1

PLATINUM EQUITY, LLC · CIK 0001228754 · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · 10% owner

Platinum Equity Investment Holdings IC (Cayman), LLC · CIK 0001756330 · 10% owner

Platinum Equity InvestCo, L.P. · CIK 0001756331 · 10% owner

Platinum Equity Investment Holdings V, LLC · CIK 0001854932 · 10% owner

Platinum Equity Partners V, LLC · CIK 0001854827 · 10% owner

Platinum Equity Partners V, L.P. · CIK 0001854950 · 10% owner

Imola JV Holdings, L.P. · CIK 0001918822 · 10% owner

Ingram Holdco, LLC · CIK 0002080996 · 10% owner

Gores Tom · CIK 0001471783 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 198,452,855

F1 · ownership.nature: Imola JV Holdings, L.P. is the record holder of 19,626,323 shares of Common Stock and Ingram Holdco, LLC is the record holder of 178,826,532 shares of Common Stock. Tom Gores is the manager of Platinum Equity, LLC, which is the sole member of Platinum Equity Investment Holdings, LLC, which is the sole member of Platinum Equity Investment Holdings IC (Cayman), LLC, which is the general partner of Platinum Equity InvestCo, L.P., which is the sole member of Platinum Equity Investment Holdings V, LLC, which is the sole member of Platinum Equity Partners V, LLC, which is the general partner of Platinum Equity Partners V, L.P., which is the general partner of Imola JV Holdings, L.P., which is the sole member of Ingram Holdco, LLC. By virtue of these relationships, each of these entities and Mr. Gores may be deemed to share beneficial ownership of the securities reported herein.

SEC source: 0001104659-25-008749 · tm254247-4_4seq1.xml · nonDerivative · entry 1

PE One Source Holdings, LLC · CIK 0001855018 · 10% owner

Platinum Equity Partners V, L.P. · CIK 0001854950 · 10% owner

Platinum Equity Partners V, LLC · CIK 0001854827 · 10% owner

Platinum Equity Investment Holdings V, LLC · CIK 0001854932 · 10% owner

Platinum Equity Investment Holdings V Manager, LLC · CIK 0001854967 · 10% owner

Platinum Equity InvestCo, L.P. · CIK 0001756331 · 10% owner

Platinum InvestCo (Cayman), LLC · CIK 0001766567 · 10% owner

Platinum Equity Investment Holdings IC (Cayman), LLC · CIK 0001756330 · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 156,743,635

F1 · ownership.nature: PE One Source Holdings, LLC ("PE One Source") is the record holder of the securities reported herein. Tom Gores is the manager of Platinum Equity, LLC, which is the sole member of Platinum Equity Investment Holdings, LLC, which is the sole member of Platinum Equity Investment Holdings IC (Cayman), LLC, which is the general partner of Platinum Equity InvestCo, L.P., which is the sole member of Platinum Equity Investment Holdings V, LLC, which is the sole member of Platinum Equity Partners V, LLC, which is the general partner of Platinum Equity Partners V, L.P., which is the general partner of Platinum Equity Capital Partners V, L.P., which holds a majority of the outstanding equity of PE One Source.

F2 · ownership.nature: Additionally, Platinum Equity, LLC is also the sole member of Platinum Equity Investment Holdings V Manager, LLC, which is the sole manager of Platinum Equity Investment Holdings V, LLC. Platinum Equity, LLC and Tom Gores together hold a controlling interest in Platinum InvestCo (Cayman), LLC, which holds a controlling interest in Platinum Equity InvestCo, L.P. By virtue of these relationships, each of these entities and Mr. Gores may be deemed to share beneficial ownership of the securities held of record by PE One Source. Each of these entities and Mr. Gores disclaim any such beneficial ownership except to the extent of their pecuniary interests therein.

SEC source: 0001104659-24-114809 · tm2427615-1_4seq1.xml · nonDerivative · entry 1

PLATINUM EQUITY, LLC · CIK 0001228754 · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · 10% owner

Platinum Equity Investment Holdings IC (Cayman), LLC · CIK 0001756330 · 10% owner

Platinum Equity InvestCo, L.P. · CIK 0001756331 · 10% owner

Platinum Equity Investment Holdings V, LLC · CIK 0001854932 · 10% owner

Platinum Equity Partners V, LLC · CIK 0001854827 · 10% owner

Platinum Equity Partners V, L.P. · CIK 0001854950 · 10% owner

Imola JV Holdings, L.P. · CIK 0001918822 · 10% owner

Gores Tom · CIK 0001471783 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 210,952,854

F1 · ownership.nature: Imola JV Holdings, L.P. (the "Platinum Stockholder") is the record holder of the securities reported herein. Tom Gores is the manager of Platinum Equity, LLC, which is the sole member of Platinum Equity Investment Holdings, LLC, which is the sole member of Platinum Equity Investment Holdings IC (Cayman), LLC which is the general partner of Platinum Equity InvestCo, L.P., which is the sole member of Platinum Equity Investment Holdings V, LLC, which is the sole member of Platinum Equity Partners V, LLC, which is the general partner of Platinum Equity Partners V, L.P., which is the general partner of the Platinum Stockholder. By virtue of these relationships, each of these entities and Mr. Gores may be deemed to share beneficial ownership of the securities held of record by the Platinum Stockholder.

SEC source: 0001104659-24-112259 · tm2427007-3_4seq1.xml · nonDerivative · entry 1

PLATINUM EQUITY, LLC · CIK 0001228754 · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · 10% owner

Platinum Equity Investment Holdings IC (Cayman), LLC · CIK 0001756330 · 10% owner

Platinum Equity InvestCo, L.P. · CIK 0001756331 · 10% owner

Platinum Equity Investment Holdings V, LLC · CIK 0001854932 · 10% owner

Platinum Equity Partners V, LLC · CIK 0001854827 · 10% owner

Platinum Equity Partners V, L.P. · CIK 0001854950 · 10% owner

Imola JV Holdings, L.P. · CIK 0001918822 · 10% owner

Gores Tom · CIK 0001471783 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 213,742,854

F1 · ownership.nature: Imola JV Holdings, L.P. (the "Platinum Stockholder") is the record holder of the securities reported herein. Tom Gores is the manager of Platinum Equity, LLC, which is the sole member of Platinum Equity Investment Holdings, LLC, which is the sole member of Platinum Equity Investment Holdings IC (Cayman), LLC which is the general partner of Platinum Equity InvestCo, L.P., which is the sole member of Platinum Equity Investment Holdings V, LLC, which is the sole member of Platinum Equity Partners V, LLC, which is the general partner of Platinum Equity Partners V, L.P., which is the general partner of the Platinum Stockholder. By virtue of these relationships, each of these entities and Mr. Gores may be deemed to share beneficial ownership of the securities held of record by the Platinum Stockholder.

SEC source: 0001104659-24-030006 · tm247631-1_4seq1.xml · nonDerivative · entry 1

VPE Holdings, LLC · CIK 0001801998 · Director

PLATINUM EQUITY, LLC · CIK 0001228754 · Director

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · Director

Platinum Equity Investment Holdings IC (Cayman), LLC · CIK 0001756330 · Director

Platinum Equity InvestCo, L.P. · CIK 0001756331 · Director

Platinum Equity Investment Holdings III, LLC · CIK 0001676357 · Director

Platinum Equity Partners III, LLC · CIK 0001676358 · Director

PE Vertiv Holdings, LLC · CIK 0001801996 · Director

Vertiv JV Holdings, LLC · CIK 0001801997 · Director

Gores Tom · CIK 0001471783 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 0

F1 · ownership.nature: Represents shares owned directly by VPE Holdings, LLC ("VPE").

F2 · ownership.nature: Tom Gores is the manager of Platinum Equity, LLC, which is the sole member of Platinum Equity Investment Holdings, LLC, which is the sole member of Platinum Equity Investment Holdings IC (Cayman), LLC which is the general partner of Platinum Equity InvestCo, L.P., which is the sole member of Platinum Equity Investment Holdings III, LLC, which is the managing member of an entity (the "Coinvest Entity") that is a member of PE Vertiv Holdings, LLC and the senior managing member of Platinum Equity Partners III, LLC, which is the general partner of four entities that, together with the Coinvest Entity, hold a majority of the membership interests of PE Vertiv Holdings, LLC, which owns a majority of the outstanding interests of Vertiv JV Holdings, LLC, which owns a majority of the outstanding interests of VPE.

F3 · ownership.nature: By virtue of these relationships, each of the entities named herein and Mr. Gores may be deemed to share beneficial ownership of the securities held of record by VPE. Each of these individuals and entities disclaims any such beneficial ownership except to the extent of their pecuniary interests therein.

SEC source: 0001104659-23-100112 · tm2325945-1_4seq1.xml · nonDerivative · entry 1

VPE Holdings, LLC · CIK 0001801998 · Director

PLATINUM EQUITY, LLC · CIK 0001228754 · Director

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · Director

Platinum Equity Investment Holdings IC (Cayman), LLC · CIK 0001756330 · Director

Platinum Equity InvestCo, L.P. · CIK 0001756331 · Director

Platinum Equity Investment Holdings III, LLC · CIK 0001676357 · Director

Platinum Equity Partners III, LLC · CIK 0001676358 · Director

PE Vertiv Holdings, LLC · CIK 0001801996 · Director

Vertiv JV Holdings, LLC · CIK 0001801997 · Director

Gores Tom · CIK 0001471783 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 7,955,215

F1 · ownership.nature: Represents shares owned directly by VPE Holdings, LLC ("VPE").

F2 · ownership.nature: Tom Gores is the manager of Platinum Equity, LLC, which is the sole member of Platinum Equity Investment Holdings, LLC, which is the sole member of Platinum Equity Investment Holdings IC (Cayman), LLC which is the general partner of Platinum Equity InvestCo, L.P., which is the sole member of Platinum Equity Investment Holdings III, LLC, which is the managing member of an entity (the "Coinvest Entity") that is a member of PE Vertiv Holdings, LLC and the senior managing member of Platinum Equity Partners III, LLC, which is the general partner of four entities that, together with the Coinvest Entity, hold a majority of the membership interests of PE Vertiv Holdings, LLC, which owns a majority of the outstanding interests of Vertiv JV Holdings, LLC, which owns a majority of the outstanding interests of VPE.

F3 · ownership.nature: By virtue of these relationships, each of the entities named herein and Mr. Gores may be deemed to share beneficial ownership of the securities held of record by VPE, except to the extent of their pecuniary interests therein.

SEC source: 0001104659-23-089419 · tm2323331-3_4seq1.xml · nonDerivative · entry 1

VPE Holdings, LLC · CIK 0001801998 · Director

PLATINUM EQUITY, LLC · CIK 0001228754 · Director

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · Director

Platinum Equity Investment Holdings IC (Cayman), LLC · CIK 0001756330 · Director

Platinum Equity InvestCo, L.P. · CIK 0001756331 · Director

Platinum Equity Investment Holdings III, LLC · CIK 0001676357 · Director

Platinum Equity Partners III, LLC · CIK 0001676358 · Director

PE Vertiv Holdings, LLC · CIK 0001801996 · Director

Vertiv JV Holdings, LLC · CIK 0001801997 · Director

Gores Tom · CIK 0001471783 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 17,955,215

F1 · ownership.nature: Represents shares owned directly by VPE Holdings, LLC ("VPE").

F2 · ownership.nature: Tom Gores is the manager of Platinum Equity, LLC, which is the sole member of Platinum Equity Investment Holdings, LLC, which is the sole member of Platinum Equity Investment Holdings IC (Cayman), LLC which is the general partner of Platinum Equity InvestCo, L.P., which is the sole member of Platinum Equity Investment Holdings III, LLC, which is the managing member of an entity (the "Coinvest Entity") that is a member of PE Vertiv Holdings, LLC and the senior managing member of Platinum Equity Partners III, LLC, which is the general partner of four entities that, together with the Coinvest Entity, hold a majority of the membership interests of PE Vertiv Holdings, LLC, which owns a majority of the outstanding interests of Vertiv JV Holdings, LLC, which owns a majority of the outstanding interests of VPE.

F3 · ownership.nature: By virtue of these relationships, each of the entities named herein and Mr. Gores may be deemed to share beneficial ownership of the securities held of record by VPE, except to the extent of their pecuniary interests therein.

SEC source: 0001104659-23-089785 · tm2323181-1_4seq1.xml · nonDerivative · entry 1

PLATINUM EQUITY, LLC · CIK 0001228754 · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · 10% owner

Platinum Equity Investment Holdings IC (Cayman), LLC · CIK 0001756330 · 10% owner

Platinum Equity InvestCo, L.P. · CIK 0001756331 · 10% owner

Platinum Equity Investment Holdings II, LLC · CIK 0001471784 · 10% owner

Platinum Equity Partners II, LLC · CIK 0001471786 · 10% owner

RYPS, LLC · CIK 0001666670 · 10% owner

Gores Tom · CIK 0001471783 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 3,924,478

F1 · ownership.nature: RYPS, LLC (the "Platinum Stockholder") is the record holder of the securities reported herein. Tom Gores is the manager of Platinum Equity, LLC, which is the sole member of Platinum Equity Investment Holdings, LLC, which is the sole member of Platinum Equity Investment Holdings IC (Cayman), LLC which is the general partner of Platinum Equity InvestCo, L.P., which is the sole member of Platinum Equity Investment Holdings II, LLC, which is the senior managing member of Platinum Equity Partners II, LLC, which is the general partner of members controlling a majority of the membership interest of the Platinum Stockholder. By virtue of these relationships, each of these entities and Mr. Gores may be deemed to share beneficial ownership of the securities held of record by the Platinum Stockholder.

SEC source: 0001104659-23-057184 · tm2314907-1_4seq1.xml · nonDerivative · entry 2

PLATINUM EQUITY, LLC · CIK 0001228754 · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · 10% owner

Platinum Equity Investment Holdings IC (Cayman), LLC · CIK 0001756330 · 10% owner

Platinum Equity InvestCo, L.P. · CIK 0001756331 · 10% owner

Platinum Equity Investment Holdings II, LLC · CIK 0001471784 · 10% owner

Platinum Equity Partners II, LLC · CIK 0001471786 · 10% owner

RYPS, LLC · CIK 0001666670 · 10% owner

Gores Tom · CIK 0001471783 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 7,924,478

F1 · ownership.nature: RYPS, LLC (the "Platinum Stockholder") is the record holder of the securities reported herein. Tom Gores is the manager of Platinum Equity, LLC, which is the sole member of Platinum Equity Investment Holdings, LLC, which is the sole member of Platinum Equity Investment Holdings IC (Cayman), LLC which is the general partner of Platinum Equity InvestCo, L.P., which is the sole member of Platinum Equity Investment Holdings II, LLC, which is the senior managing member of Platinum Equity Partners II, LLC, which is the general partner of members controlling a majority of the membership interest of the Platinum Stockholder. By virtue of these relationships, each of these entities and Mr. Gores may be deemed to share beneficial ownership of the securities held of record by the Platinum Stockholder.

SEC source: 0001104659-23-057184 · tm2314907-1_4seq1.xml · nonDerivative · entry 1

PLATINUM EQUITY, LLC · CIK 0001228754 · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · 10% owner

Platinum Equity Investment Holdings IC (Cayman), LLC · CIK 0001756330 · 10% owner

Platinum Equity InvestCo, L.P. · CIK 0001756331 · 10% owner

Platinum Equity Investment Holdings II, LLC · CIK 0001471784 · 10% owner

Platinum Equity Partners II, LLC · CIK 0001471786 · 10% owner

RYPS, LLC · CIK 0001666670 · 10% owner

Gores Tom · CIK 0001471783 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 9,293,778

F1 · ownership.nature: RYPS, LLC (the "Platinum Stockholder") is the record holder of the securities reported herein. Tom Gores is the manager of Platinum Equity, LLC, which is the sole member of Platinum Equity Investment Holdings, LLC, which is the sole member of Platinum Equity Investment Holdings IC (Cayman), LLC which is the general partner of Platinum Equity InvestCo, L.P., which is the sole member of Platinum Equity Investment Holdings II, LLC, which is the senior managing member of Platinum Equity Partners II, LLC, which is the general partner of members controlling a majority of the membership interest of the Platinum Stockholder. By virtue of these relationships, each of these entities and Mr. Gores may be deemed to share beneficial ownership of the securities held of record by the Platinum Stockholder.

SEC source: 0001104659-23-027342 · tm237842-1_4seq1.xml · nonDerivative · entry 2

PLATINUM EQUITY, LLC · CIK 0001228754 · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · 10% owner

Platinum Equity Investment Holdings IC (Cayman), LLC · CIK 0001756330 · 10% owner

Platinum Equity InvestCo, L.P. · CIK 0001756331 · 10% owner

Platinum Equity Investment Holdings II, LLC · CIK 0001471784 · 10% owner

Platinum Equity Partners II, LLC · CIK 0001471786 · 10% owner

RYPS, LLC · CIK 0001666670 · 10% owner

Gores Tom · CIK 0001471783 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 11,924,478

F1 · ownership.nature: RYPS, LLC (the "Platinum Stockholder") is the record holder of the securities reported herein. Tom Gores is the manager of Platinum Equity, LLC, which is the sole member of Platinum Equity Investment Holdings, LLC, which is the sole member of Platinum Equity Investment Holdings IC (Cayman), LLC which is the general partner of Platinum Equity InvestCo, L.P., which is the sole member of Platinum Equity Investment Holdings II, LLC, which is the senior managing member of Platinum Equity Partners II, LLC, which is the general partner of members controlling a majority of the membership interest of the Platinum Stockholder. By virtue of these relationships, each of these entities and Mr. Gores may be deemed to share beneficial ownership of the securities held of record by the Platinum Stockholder.

SEC source: 0001104659-23-027342 · tm237842-1_4seq1.xml · nonDerivative · entry 1

PLATINUM EQUITY, LLC · CIK 0001228754 · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · 10% owner

Platinum Equity Investment Holdings IC (Cayman), LLC · CIK 0001756330 · 10% owner

Platinum Equity InvestCo, L.P. · CIK 0001756331 · 10% owner

Platinum Equity Investment Holdings II, LLC · CIK 0001471784 · 10% owner

Platinum Equity Partners II, LLC · CIK 0001471786 · 10% owner

RYPS, LLC · CIK 0001666670 · 10% owner

Gores Tom · CIK 0001471783 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 13,437,898

F1 · ownership.nature: RYPS, LLC (the "Platinum Stockholder") is the record holder of the securities reported herein. Tom Gores is the manager of Platinum Equity, LLC, which is the sole member of Platinum Equity Investment Holdings, LLC, which is the sole member of Platinum Equity Investment Holdings IC (Cayman), LLC which is the general partner of Platinum Equity InvestCo, L.P., which is the sole member of Platinum Equity Investment Holdings II, LLC, which is the senior managing member of Platinum Equity Partners II, LLC, which is the general partner of members controlling a majority of the membership interest of the Platinum Stockholder. By virtue of these relationships, each of these entities and Mr. Gores may be deemed to share beneficial ownership of the securities held of record by the Platinum Stockholder.

SEC source: 0000899243-22-018405 · doc4.xml · nonDerivative · entry 2

PLATINUM EQUITY, LLC · CIK 0001228754 · 10% owner

PLATINUM EQUITY CAPITAL PARTNERS LP · CIK 0001271868 · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · 10% owner

Platinum Equity Investment Holdings IC (Cayman), LLC · CIK 0001756330 · 10% owner

Platinum Equity InvestCo, L.P. · CIK 0001756331 · 10% owner

Platinum Equity Investment Holdings II, LLC · CIK 0001471784 · 10% owner

Platinum Equity Partners II, LLC · CIK 0001471786 · 10% owner

RYPS, LLC · CIK 0001666670 · 10% owner

Gores Tom · CIK 0001471783 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 15,924,478

F1 · ownership.nature: RYPS, LLC (the "Platinum Stockholder") is the record holder of the securities reported herein. Tom Gores is the manager of Platinum Equity, LLC, which is the sole member of Platinum Equity Investment Holdings, LLC, which is the sole member of Platinum Equity Investment Holdings IC (Cayman), LLC which is the general partner of Platinum Equity InvestCo, L.P., which is the sole member of Platinum Equity Investment Holdings II, LLC, which is the senior managing member of Platinum Equity Partners II, LLC, which is the general partner of members controlling a majority of the membership interest of the Platinum Stockholder. By virtue of these relationships, each of these entities and Mr. Gores may be deemed to share beneficial ownership of the securities held of record by the Platinum Stockholder.

SEC source: 0000899243-22-018405 · doc4.xml · nonDerivative · entry 1

PLATINUM EQUITY, LLC · CIK 0001228754 · 10% owner

PLATINUM EQUITY CAPITAL PARTNERS LP · CIK 0001271868 · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · 10% owner

Platinum Equity Investment Holdings IC (Cayman), LLC · CIK 0001756330 · 10% owner

Platinum Equity InvestCo, L.P. · CIK 0001756331 · 10% owner

Platinum Equity Investment Holdings II, LLC · CIK 0001471784 · 10% owner

Platinum Equity Partners II, LLC · CIK 0001471786 · 10% owner

RYPS, LLC · CIK 0001666670 · 10% owner

Gores Tom · CIK 0001471783 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 17,537,500

F1 · ownership.nature: RYPS, LLC (the "Platinum Stockholder") is the record holder of the securities reported herein. Tom Gores is the manager of Platinum Equity, LLC, which is the sole member of Platinum Equity Investment Holdings, LLC, which is the sole member of Platinum Equity Investment Holdings IC (Cayman), LLC which is the general partner of Platinum Equity InvestCo, L.P., which is the sole member of Platinum Equity Investment Holdings II, LLC, which is the senior managing member of Platinum Equity Partners II, LLC, which is the general partner of members controlling a majority of the membership interest of the Platinum Stockholder. By virtue of these relationships, each of these entities and Mr. Gores may be deemed to share beneficial ownership of the securities held of record by the Platinum Stockholder.

SEC source: 0000899243-22-009735 · doc4.xml · derivative · entry 1

VPE Holdings, LLC · CIK 0001801998 · Director · 10% owner

Vertiv JV Holdings, LLC · CIK 0001801997 · Director · 10% owner

PE Vertiv Holdings, LLC · CIK 0001801996 · Director · 10% owner

Platinum Equity Investment Holdings III, LLC · CIK 0001676357 · Director · 10% owner

Platinum Equity Investment Holdings III Manager, LLC · CIK 0001757175 · Director · 10% owner

Platinum Equity InvestCo, L.P. · CIK 0001756331 · Director

Platinum Equity Investment Holdings IC (Cayman), LLC · CIK 0001756330 · Director

Platinum InvestCo (Cayman), LLC · CIK 0001766567 · Director

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · Director

PLATINUM EQUITY LLC · CIK 0001228754 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 77,294

Underlying: Class A Common Stock · 77,294 shares

Expires 2032-03-02

F1 · derivative.exercise_date: Consists of options to purchase shares of Class A common stock of Vertiv Holdings Co (the "Issuer"), subject to vesting in equal or nearly equal installments on March 3 of each of 2023, 2024, 2025 and 2026, granted to Jacob Kotzubei and Matthew Louie, assuming continued board service through the applicable vesting date. Options to purchase 38,647 shares of Class A common stock of the Issuer were granted to each of Messrs. Kotzubei and Louie.

F2 · ownership.nature: Pursuant to a contractual agreement between Messrs. Kotzubei and Louie, on the one hand, and VPE Holdings, LLC ("VPE"), on the other hand, the shares of Class A common stock of the Issuer issuable to Messrs. Kotzubei and Louie upon exercise of such stock options will be immediately transferred to VPE in a transaction exempt from Section 16 pursuant to Rule 16a-13 thereunder.

F3 · ownership.nature: Vertiv JV Holdings, LLC ("JV") owns a majority of the outstanding equity interests of VPE, and PE Vertiv Holdings, LLC ("PE Vertiv") owns a majority of the outstanding interests of JV, and, accordingly, each may be deemed to beneficially own the shares of Class A common stock beneficially owned by VPE. PE Vertiv is directly owned by six private equity investment funds (the "Funds"), none of which private equity investment funds individually has the power to direct the voting or disposition of shares beneficially owned. Platinum Equity Investment Holdings III, LLC ("Holdings III") is the managing member of one of the Funds and the managing member of the general partner of four of the Funds.

F4 · ownership.nature: (Continued from footnote 3) Through such positions, Holdings III has the indirect power to direct the voting of a majority of the outstanding equity interests of PE Vertiv. Platinum Equity Investment Holdings III Manager, LLC ("Holdings Manager") is the managing member of Holdings III. Platinum Equity InvestCo, L.P. ("InvestCo") owns all of the economic interests in Holdings III. Platinum Equity Investment Holdings IC (Cayman), LLC ("Holdings Cayman") is the general partner of InvestCo. Platinum InvestCo (Cayman), LLC ("InvestCo Cayman") holds a controlling interest in InvestCo. Platinum Equity, LLC ("Platinum") is sole member of Holdings Manager. Platinum also indirectly controls the other funds that own equity interests of PE Vertiv. Mr. Tom Gores (together with VPE, JV, PE Vertiv, Holdings III, Holdings Manager, InvestCo, Holdings Cayman, InvestCo Cayman and Platinum, the "Reporting Persons") is the beneficial owner of Platinum. Accordingly,

F5 · ownership.nature: (Continued from footnote 4) as a result of their indirect ownership and control of each of VPE, JV and PE Vertiv, each of Holdings III, Holdings Manager, InvestCo, Holdings Cayman, InvestCo Cayman, Platinum and Mr. Tom Gores may be deemed to beneficially own the shares owned directly by VPE.

F6 · ownership.nature: Because of the relationship among the Reporting Persons, the Reporting Persons may be deemed to beneficially own the securities reported herein to the extent of their respective pecuniary interests. Each Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein, if any.

F7 · ownership.nature: Pursuant to Rule 16a-1(a)(4) under the Exchange Act, this filing shall not be deemed an admission that the Reporting Persons are, for purposes of Section 16 of the Exchange Act or otherwise, the beneficial owners of any equity securities in excess of their respective pecuniary interests.

SEC source: 0000899243-21-047783 · doc4.xml · nonDerivative · entry 1

PLATINUM EQUITY LLC · CIK 0001228754 · Director

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · Director

Gores Tom · CIK 0001471783 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 0

F1 · ownership.nature: Shares held directly by PE Greenlight Holdings, LLC ("PE Greenlight"). Platinum Equity Capital Partners IV, L.P. ("PECP IV") holds a majority membership interest in PE Greenlight and may be deemed to beneficially own the Issuer securities beneficially owned by PE Greenlight. Platinum Equity Partners IV, L.P. ("PEP IV LP") is the general partner of PECP IV and may be deemed to beneficially own the Issuer securities beneficially owned by PECP IV. Platinum Equity Partners IV, LLC ("PEP IV LLC") is the general partner of PEP IV LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEP IV LP. Platinum Equity Investment Holdings IV, LLC ("PEIH IV") is the sole member of PEP IV LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PEP IV LLC.

F2 · ownership.nature: (Continued from Footnote 1) Platinum Equity Investment Holdings IV Manager, LLC ("PEIH IV Manager") is the sole manager of PEIH IV and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IV. Platinum Equity InvestCo, L.P. ("PEI LP") owns all of the economic interests in PEIH IV and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IV. Platinum Equity Investment Holdings IC (Cayman), LLC ("PEIH IC LLC") is the general partner of PEI LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEI LP. Platinum Equity Investment Holdings, LLC ("PEIH LLC") is the sole member of PEIH IC LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IC LLC. Platinum InvestCo (Cayman), LLC ("PI LLC") holds a controlling interest in PEI LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEI LP.

F3 · ownership.nature: (Continued from Footnote 2) Platinum Equity, LLC ("Platinum Equity") is the sole member of PEIH IV Manager and PEIH LLC and may be deemed to beneficially own the Issuer securities beneficially owned by each of PEIH IV Manager and PEIH LLC. Platinum Equity and Tom Gores, together, hold a controlling interest in PI LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PI LLC. Tom Gores is the Chairman and Chief Executive Officer of Platinum Equity and may be deemed to beneficially own the Issuer securities beneficially owned by Platinum Equity. Mr. Gores disclaims beneficial ownership of all Issuer securities beneficially owned by each of the foregoing entities except to the extent of any pecuniary interest therein.

SEC source: 0000899243-21-043495 · doc4.xml · nonDerivative · entry 1

VPE Holdings, LLC · CIK 0001801998 · Director · 10% owner

Vertiv JV Holdings, LLC · CIK 0001801997 · Director · 10% owner

PE Vertiv Holdings, LLC · CIK 0001801996 · Director · 10% owner

Platinum Equity Investment Holdings III, LLC · CIK 0001676357 · Director · 10% owner

Platinum Equity Investment Holdings III Manager, LLC · CIK 0001757175 · Director · 10% owner

Platinum Equity InvestCo, L.P. · CIK 0001756331 · Director · 10% owner

Platinum Equity Investment Holdings IC (Cayman), LLC · CIK 0001756330 · Director · 10% owner

Platinum InvestCo (Cayman), LLC · CIK 0001766567 · Director · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · Director · 10% owner

PLATINUM EQUITY LLC · CIK 0001228754 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,955,215

F1 · ownership.direct: VPE Holdings, LLC ("VPE"), a Delaware limited liability company, directly owns 37,955,215 shares of Class A common stock, par value $0.0001 per share (the "Shares"), of Vertiv Holdings Co (the "Issuer"). Vertiv JV Holdings, LLC ("JV") owns a majority of the outstanding equity interests of VPE, and PE Vertiv Holdings, LLC ("PE Vertiv") owns a majority of the outstanding interests of JV, and, accordingly, each may be deemed to beneficially own the Shares beneficially owned by VPE. PE Vertiv is directly owned by six private equity investment funds (the "Funds"), none of which private equity investment funds individually has the power to direct the voting or disposition of shares beneficially owned.

F2 · ownership.direct: (continued from Footnote 1) Platinum Equity Investment Holdings III, LLC ("Holdings III") is the managing member of one of the Funds and the managing member of the general partner of four of the Funds. Through such positions, Holdings III has the indirect power to direct the voting of a majority of the outstanding equity interests of PE Vertiv.

F3 · ownership.direct: (Continued From Footnote 2) Platinum Equity Investment Holdings Manager III, LLC ("Holdings Manager") is the managing member of Holdings III. Platinum Equity InvestCo, L.P. ("InvestCo") owns all of the economic interests in Holdings III. Platinum Equity Investment Holdings IC (Cayman), LLC ("Holdings Cayman") is the general partner of InvestCo. Platinum InvestCo (Cayman), LLC ("InvestCo Cayman") holds a controlling interest in InvestCo. Platinum Equity, LLC ("Platinum") is sole member of Holdings Manager. Platinum also indirectly controls the other funds that own equity interests of PE Vertiv.

F4 · ownership.direct: (Continued From Footnote 3) Mr. Tom Gores (together with VPE, JV, PE Vertiv, Holdings III, Holdings Manager, InvestCo, Holdings Cayman, InvestCo Cayman and Platinum, the "Reporting Persons") is the beneficial owner of Platinum. Accordingly, as a result of their indirect ownership and control of each of VPE, JV and PE Vertiv, each of Holdings III, Holdings Manager, InvestCo, Holdings Cayman, InvestCo Cayman, Platinum and Mr. Tom Gores may be deemed to beneficially own the shares owned directly by VPE.

F5 · ownership.direct: Because of the relationship among the Reporting Persons, the Reporting Persons may be deemed to beneficially own the securities reported herein to the extent of their respective pecuniary interests. Each Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein, if any.

F6 · ownership.direct: Pursuant to Rule 16a-1(a)(4) under the Exchange Act, this filing shall not be deemed an admission that the Reporting Persons are, for purposes of Section 16 of the Exchange Act or otherwise, the beneficial owners of any equity securities in excess of their respective pecuniary interests.

SEC source: 0000899243-21-043640 · doc4a.xml · nonDerivative · entry 1

VPE Holdings, LLC · CIK 0001801998 · Director · 10% owner

Vertiv JV Holdings, LLC · CIK 0001801997 · Director · 10% owner

PE Vertiv Holdings, LLC · CIK 0001801996 · Director · 10% owner

Platinum Equity Investment Holdings III, LLC · CIK 0001676357 · Director · 10% owner

Platinum Equity Investment Holdings III Manager, LLC · CIK 0001757175 · Director · 10% owner

Platinum Equity Investment Holdings IC (Cayman), LLC · CIK 0001756330 · Director · 10% owner

Platinum InvestCo (Cayman), LLC · CIK 0001766567 · Director · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · Director · 10% owner

PLATINUM EQUITY LLC · CIK 0001228754 · Director · 10% owner

Gores Tom · CIK 0001471783 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,955,215

F1 · ownership.direct: VPE Holdings, LLC ("VPE"), a Delaware limited liability company, directly owns 37,955,215 shares of Class A common stock, par value $0.0001 per share (the "Shares"), of Vertiv Holdings Co (the "Issuer"). Vertiv JV Holdings, LLC ("JV") owns a majority of the outstanding equity interests of VPE, and PE Vertiv Holdings, LLC ("PE Vertiv") owns a majority of the outstanding interests of JV, and, accordingly, each may be deemed to beneficially own the Shares beneficially owned by VPE. PE Vertiv is directly owned by six private equity investment funds (the "Funds"), none of which private equity investment funds individually has the power to direct the voting or disposition of shares beneficially owned.

F2 · ownership.direct: (continued from Footnote 1) Platinum Equity Investment Holdings III, LLC ("Holdings III") is the managing member of one of the Funds and the managing member of the general partner of four of the Funds. Through such positions, Holdings III has the indirect power to direct the voting of a majority of the outstanding equity interests of PE Vertiv.

F3 · ownership.direct: (Continued From Footnote 2) Platinum Equity Investment Holdings III Manager, LLC ("Holdings Manager") is the managing member of Holdings III. Platinum Equity InvestCo, L.P. ("InvestCo") owns all of the economic interests in Holdings III. Platinum Equity Investment Holdings IC (Cayman), LLC ("Holdings Cayman") is the general partner of InvestCo. Platinum InvestCo (Cayman), LLC ("InvestCo Cayman") holds a controlling interest in InvestCo. Platinum Equity, LLC ("Platinum") is sole member of Holdings Manager. Platinum also indirectly controls the other funds that own equity interests of PE Vertiv.

F4 · ownership.direct: (Continued From Footnote 3) Mr. Tom Gores (together with VPE, JV, PE Vertiv, Holdings III, Holdings Manager, InvestCo, Holdings Cayman, InvestCo Cayman and Platinum, the "Reporting Persons") is the beneficial owner of Platinum. Accordingly, as a result of their indirect ownership and control of each of VPE, JV and PE Vertiv, each of Holdings III, Holdings Manager, InvestCo, Holdings Cayman, InvestCo Cayman, Platinum and Mr. Tom Gores may be deemed to beneficially own the shares owned directly by VPE.

F5 · ownership.direct: Because of the relationship among the Reporting Persons, the Reporting Persons may be deemed to beneficially own the securities reported herein to the extent of their respective pecuniary interests. Each Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein, if any.

F6 · ownership.direct: Pursuant to Rule 16a-1(a)(4) under the Exchange Act, this filing shall not be deemed an admission that the Reporting Persons are, for purposes of Section 16 of the Exchange Act or otherwise, the beneficial owners of any equity securities in excess of their respective pecuniary interests.

SEC source: 0000899243-21-034453 · doc4.xml · nonDerivative · entry 1

PLATINUM EQUITY LLC · CIK 0001228754 · Director

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · Director

Gores Tom · CIK 0001471783 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 8,207,821

F1 · ownership.nature: Shares held directly by PE Greenlight Holdings, LLC ("PE Greenlight"). Platinum Equity Capital Partners IV, L.P. ("PECP IV") holds a majority membership interest in PE Greenlight and may be deemed to beneficially own the Issuer securities beneficially owned by PE Greenlight. Platinum Equity Partners IV, L.P. ("PEP IV LP") is the general partner of PECP IV and may be deemed to beneficially own the Issuer securities beneficially owned by PECP IV. Platinum Equity Partners IV, LLC ("PEP IV LLC") is the general partner of PEP IV LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEP IV LP. Platinum Equity Investment Holdings IV, LLC ("PEIH IV") is the sole member of PEP IV LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PEP IV LLC.

F2 · ownership.nature: (Continued from Footnote 1) Platinum Equity Investment Holdings IV Manager, LLC ("PEIH IV Manager") is the sole manager of PEIH IV and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IV. Platinum Equity InvestCo, L.P. ("PEI LP") owns all of the economic interests in PEIH IV and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IV. Platinum Equity Investment Holdings IC (Cayman), LLC ("PEIH IC LLC") is the general partner of PEI LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEI LP. Platinum Equity Investment Holdings, LLC ("PEIH LLC") is the sole member of PEIH IC LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IC LLC. Platinum InvestCo (Cayman), LLC ("PI LLC") holds a controlling interest in PEI LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEI LP.

F3 · ownership.nature: (Continued from Footnote 2) Platinum Equity, LLC ("Platinum Equity") is the sole member of PEIH IV Manager and PEIH LLC and may be deemed to beneficially own the Issuer securities beneficially owned by each of PEIH IV Manager and PEIH LLC. Platinum Equity and Tom Gores, together, hold a controlling interest in PI LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PI LLC. Tom Gores is the Chairman and Chief Executive Officer of Platinum Equity and may be deemed to beneficially own the Issuer securities beneficially owned by Platinum Equity. Mr. Gores disclaims beneficial ownership of all Issuer securities beneficially owned by each of the foregoing entities except to the extent of any pecuniary interest therein.

SEC source: 0000899243-21-034058 · doc4.xml · nonDerivative · entry 2

PLATINUM EQUITY LLC · CIK 0001228754 · Director · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · Director · 10% owner

Gores Tom · CIK 0001471783 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 9,407,821

F1 · ownership.nature: Shares held directly by PE Greenlight Holdings, LLC ("PE Greenlight"). Platinum Equity Capital Partners IV, L.P. ("PECP IV") holds a majority membership interest in PE Greenlight and may be deemed to beneficially own the Issuer securities beneficially owned by PE Greenlight. Platinum Equity Partners IV, L.P. ("PEP IV LP") is the general partner of PECP IV and may be deemed to beneficially own the Issuer securities beneficially owned by PECP IV. Platinum Equity Partners IV, LLC ("PEP IV LLC") is the general partner of PEP IV LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEP IV LP. Platinum Equity Investment Holdings IV, LLC ("PEIH IV") is the sole member of PEP IV LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PEP IV LLC.

F2 · ownership.nature: (Continued from Footnote 1) Platinum Equity Investment Holdings IV Manager, LLC ("PEIH IV Manager") is the sole manager of PEIH IV and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IV. Platinum Equity InvestCo, L.P. ("PEI LP") owns all of the economic interests in PEIH IV and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IV. Platinum Equity Investment Holdings IC (Cayman), LLC ("PEIH IC LLC") is the general partner of PEI LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEI LP. Platinum Equity Investment Holdings, LLC ("PEIH LLC") is the sole member of PEIH IC LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IC LLC. Platinum InvestCo (Cayman), LLC ("PI LLC") holds a controlling interest in PEI LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEI LP.

F3 · ownership.nature: (Continued from Footnote 2) Platinum Equity, LLC ("Platinum Equity") is the sole member of PEIH IV Manager and PEIH LLC and may be deemed to beneficially own the Issuer securities beneficially owned by each of PEIH IV Manager and PEIH LLC. Platinum Equity and Tom Gores, together, hold a controlling interest in PI LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PI LLC. Tom Gores is the Chairman and Chief Executive Officer of Platinum Equity and may be deemed to beneficially own the Issuer securities beneficially owned by Platinum Equity. Mr. Gores disclaims beneficial ownership of all Issuer securities beneficially owned by each of the foregoing entities except to the extent of any pecuniary interest therein.

SEC source: 0000899243-21-034058 · doc4.xml · nonDerivative · entry 1

PLATINUM EQUITY LLC · CIK 0001228754 · Director · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · Director · 10% owner

Gores Tom · CIK 0001471783 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 16,257,136

F1 · ownership.nature: Shares held directly by PE Greenlight Holdings, LLC ("PE Greenlight"). Platinum Equity Capital Partners IV, L.P. ("PECP IV") holds a majority membership interest in PE Greenlight and may be deemed to beneficially own the Issuer securities beneficially owned by PE Greenlight. Platinum Equity Partners IV, L.P. ("PEP IV LP") is the general partner of PECP IV and may be deemed to beneficially own the Issuer securities beneficially owned by PECP IV. Platinum Equity Partners IV, LLC ("PEP IV LLC") is the general partner of PEP IV LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEP IV LP. Platinum Equity Investment Holdings IV, LLC ("PEIH IV") is the sole member of PEP IV LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PEP IV LLC.

F2 · ownership.nature: (Continued from Footnote 1) Platinum Equity Investment Holdings IV Manager, LLC ("PEIH IV Manager") is the sole manager of PEIH IV and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IV. Platinum Equity InvestCo, L.P. ("PEI LP") owns all of the economic interests in PEIH IV and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IV. Platinum Equity Investment Holdings IC (Cayman), LLC ("PEIH IC LLC") is the general partner of PEI LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEI LP. Platinum Equity Investment Holdings, LLC ("PEIH LLC") is the sole member of PEIH IC LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IC LLC. Platinum InvestCo (Cayman), LLC ("PI LLC") holds a controlling interest in PEI LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEI LP.

F3 · ownership.nature: (Continued from Footnote 2) Platinum Equity, LLC ("Platinum Equity") is the sole member of PEIH IV Manager and PEIH LLC and may be deemed to beneficially own the Issuer securities beneficially owned by each of PEIH IV Manager and PEIH LLC. Platinum Equity and Tom Gores, together, hold a controlling interest in PI LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PI LLC. Tom Gores is the Chairman and Chief Executive Officer of Platinum Equity and may be deemed to beneficially own the Issuer securities beneficially owned by Platinum Equity. Mr. Gores disclaims beneficial ownership of all Issuer securities beneficially owned by each of the foregoing entities except to the extent of any pecuniary interest therein.

SEC source: 0000899243-21-020788 · doc4.xml · derivative · entry 4

PLATINUM EQUITY LLC · CIK 0001228754 · Director · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · Director · 10% owner

Gores Tom · CIK 0001471783 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 8,690

Underlying: Class A Common Stock, par value $0.0001 per share · 8,690 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted unit represents a contingent right to receive one share of Class A Common Stock of Verra Mobility Corporation (the "Issuer").

F2 · shares: The restricted stock units reported on this row were granted to Jacob Kotzubei as compensation for his service on the Issuer's board of directors and are held by Mr. Kotzubei for the benefit of PE Greenlight Holdings, LLC ("PE Greenlight").

F3 · derivative.exercise_date: The restricted stock will vest in full on the earlier of (a) May 25, 2022, or (b) the date immediately prior to the next annual meeting of Issuer's stockholders occurring after the date of grant. Pursuant to a contractual agreement between Mr. Kotzubei and PE Greenlight, the shares of Class A Common Stock issued to Mr. Kotzubei upon settlement of such restricted stock units will be immediately transferred to PE Greenlight in a transaction exempt from Section 16 pursuant to Rule 16a-13 thereunder.

F3 · derivative.expiration_date: The restricted stock will vest in full on the earlier of (a) May 25, 2022, or (b) the date immediately prior to the next annual meeting of Issuer's stockholders occurring after the date of grant. Pursuant to a contractual agreement between Mr. Kotzubei and PE Greenlight, the shares of Class A Common Stock issued to Mr. Kotzubei upon settlement of such restricted stock units will be immediately transferred to PE Greenlight in a transaction exempt from Section 16 pursuant to Rule 16a-13 thereunder.

F4 · ownership.nature: Platinum Equity Capital Partners IV, L.P. ("PECP IV") holds a majority membership interest in PE Greenlight and may be deemed to beneficially own the Issuer securities beneficially owned by PE Greenlight. Platinum Equity Partners IV, L.P. ("PEP IV LP") is the general partner of PECP IV and may be deemed to beneficially own the Issuer securities beneficially owned by PECP IV. Platinum Equity Partners IV, LLC ("PEP IV LLC") is the general partner of PEP IV LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEP IV LP. Platinum Equity Investment Holdings IV, LLC ("PEIH IV") is the sole member of PEP IV LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PEP IV LLC.

F5 · ownership.nature: (Continued from Footnote 4) Platinum Equity Investment Holdings IV Manager, LLC ("PEIH IV Manager") is the sole manager of PEIH IV and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IV. Platinum Equity InvestCo, L.P. ("PEI LP") owns all of the economic interests in PEIH IV and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IV. Platinum Equity Investment Holdings IC (Cayman), LLC ("PEIH IC LLC") is the general partner of PEI LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEI LP. Platinum Equity Investment Holdings, LLC ("PEIH LLC") is the sole member of PEIH IC LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IC LLC. Platinum InvestCo (Cayman), LLC ("PI LLC") holds a controlling interest in PEI LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEI LP.

F6 · ownership.nature: Platinum Equity, LLC ("Platinum Equity," and together with PE Greenlight, PECP IV, PEP IV LP, PEP IV LLC, PEIH IV, PEIH IV Manager, PEI LP, PEIH IC LLC, PEIH LLC and PI LLC, the "Platinum Entities") is the sole member of PEIH IV Manager and PEIH LLC and may be deemed to beneficially own the Issuer securities beneficially owned by each of PEIH IV Manager and PEIH LLC. Platinum Equity and Tom Gores, together, hold a controlling interest in PI LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PI LLC. Tom Gores is the Chairman and Chief Executive Officer of Platinum Equity and may be deemed to beneficially own the Issuer securities beneficially owned by Platinum Equity. Mr. Gores disclaims beneficial ownership of all Issuer securities beneficially owned by each of the foregoing entities except to the extent of any pecuniary interest therein.

SEC source: 0000899243-21-020788 · doc4.xml · derivative · entry 3

PLATINUM EQUITY LLC · CIK 0001228754 · Director · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · Director · 10% owner

Gores Tom · CIK 0001471783 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Class A Common Stock, par value $0.0001 per share · 17,392 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted unit represents a contingent right to receive one share of Class A Common Stock of Verra Mobility Corporation (the "Issuer").

F10 · shares: Such securities were granted to Bryan Kelln and Jacob Kotzubei as compensation for their service on the Issuer's board of directors and are held by Messrs. Kelln and Kotzubei for the benefit of PE Greenlight. 8,696 of such restricted stock units were granted to Mr. Kelln, and 8,696 of such restricted stock units were granted to Mr. Kotzubei.

F8 · shares: On May 26, 2020, Messrs. Kelln and Kotzubei were each granted restricted stock units, vesting in full on the earlier of (a) May 26, 2021, or (b) the date immediately prior to the next annual meeting of the Issuer's stockholders occurring after the date of grant (May 24, 2021). Pursuant to a contractual agreement between Messrs. Kelln and Kotzubei, on the one hand, and PE Greenlight, on the other hand the shares of Class A Common Stock issued to Messrs. Kelln and Kotzubei upon settlement of such restricted stock units will be immediately transferred to PE Greenlight in a transaction exempt from Section 16 pursuant to Rule 16a-13 thereunder.

F8 · derivative.exercise_date: On May 26, 2020, Messrs. Kelln and Kotzubei were each granted restricted stock units, vesting in full on the earlier of (a) May 26, 2021, or (b) the date immediately prior to the next annual meeting of the Issuer's stockholders occurring after the date of grant (May 24, 2021). Pursuant to a contractual agreement between Messrs. Kelln and Kotzubei, on the one hand, and PE Greenlight, on the other hand the shares of Class A Common Stock issued to Messrs. Kelln and Kotzubei upon settlement of such restricted stock units will be immediately transferred to PE Greenlight in a transaction exempt from Section 16 pursuant to Rule 16a-13 thereunder.

F8 · derivative.expiration_date: On May 26, 2020, Messrs. Kelln and Kotzubei were each granted restricted stock units, vesting in full on the earlier of (a) May 26, 2021, or (b) the date immediately prior to the next annual meeting of the Issuer's stockholders occurring after the date of grant (May 24, 2021). Pursuant to a contractual agreement between Messrs. Kelln and Kotzubei, on the one hand, and PE Greenlight, on the other hand the shares of Class A Common Stock issued to Messrs. Kelln and Kotzubei upon settlement of such restricted stock units will be immediately transferred to PE Greenlight in a transaction exempt from Section 16 pursuant to Rule 16a-13 thereunder.

F10 · derivative.underlying_shares: Such securities were granted to Bryan Kelln and Jacob Kotzubei as compensation for their service on the Issuer's board of directors and are held by Messrs. Kelln and Kotzubei for the benefit of PE Greenlight. 8,696 of such restricted stock units were granted to Mr. Kelln, and 8,696 of such restricted stock units were granted to Mr. Kotzubei.

F4 · ownership.nature: Platinum Equity Capital Partners IV, L.P. ("PECP IV") holds a majority membership interest in PE Greenlight and may be deemed to beneficially own the Issuer securities beneficially owned by PE Greenlight. Platinum Equity Partners IV, L.P. ("PEP IV LP") is the general partner of PECP IV and may be deemed to beneficially own the Issuer securities beneficially owned by PECP IV. Platinum Equity Partners IV, LLC ("PEP IV LLC") is the general partner of PEP IV LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEP IV LP. Platinum Equity Investment Holdings IV, LLC ("PEIH IV") is the sole member of PEP IV LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PEP IV LLC.

F5 · ownership.nature: (Continued from Footnote 4) Platinum Equity Investment Holdings IV Manager, LLC ("PEIH IV Manager") is the sole manager of PEIH IV and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IV. Platinum Equity InvestCo, L.P. ("PEI LP") owns all of the economic interests in PEIH IV and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IV. Platinum Equity Investment Holdings IC (Cayman), LLC ("PEIH IC LLC") is the general partner of PEI LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEI LP. Platinum Equity Investment Holdings, LLC ("PEIH LLC") is the sole member of PEIH IC LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IC LLC. Platinum InvestCo (Cayman), LLC ("PI LLC") holds a controlling interest in PEI LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEI LP.

F6 · ownership.nature: Platinum Equity, LLC ("Platinum Equity," and together with PE Greenlight, PECP IV, PEP IV LP, PEP IV LLC, PEIH IV, PEIH IV Manager, PEI LP, PEIH IC LLC, PEIH LLC and PI LLC, the "Platinum Entities") is the sole member of PEIH IV Manager and PEIH LLC and may be deemed to beneficially own the Issuer securities beneficially owned by each of PEIH IV Manager and PEIH LLC. Platinum Equity and Tom Gores, together, hold a controlling interest in PI LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PI LLC. Tom Gores is the Chairman and Chief Executive Officer of Platinum Equity and may be deemed to beneficially own the Issuer securities beneficially owned by Platinum Equity. Mr. Gores disclaims beneficial ownership of all Issuer securities beneficially owned by each of the foregoing entities except to the extent of any pecuniary interest therein.

SEC source: 0000899243-21-020788 · doc4.xml · nonDerivative · entry 1

PLATINUM EQUITY LLC · CIK 0001228754 · Director · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · Director · 10% owner

Gores Tom · CIK 0001471783 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 24,257,136

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F8 · shares: On May 26, 2020, Messrs. Kelln and Kotzubei were each granted restricted stock units, vesting in full on the earlier of (a) May 26, 2021, or (b) the date immediately prior to the next annual meeting of the Issuer's stockholders occurring after the date of grant (May 24, 2021). Pursuant to a contractual agreement between Messrs. Kelln and Kotzubei, on the one hand, and PE Greenlight, on the other hand the shares of Class A Common Stock issued to Messrs. Kelln and Kotzubei upon settlement of such restricted stock units will be immediately transferred to PE Greenlight in a transaction exempt from Section 16 pursuant to Rule 16a-13 thereunder.

F1 · price: Each restricted unit represents a contingent right to receive one share of Class A Common Stock of Verra Mobility Corporation (the "Issuer").

F7 · balance_after: 8,696 of such shares of Issuer Class A Common Stock are held by Mr. Kelln and 8,696 are held by Mr. Kotzubei, in each case for the benefit of PE Greenlight. As disclosed in footnote (8) below, immediately following the transactions reported herein, such shares of Class A Common Stock will be transferred to PE Greenlight in a transaction exempt from Section 16 pursuant to Rule 16a-13 thereunder.

F4 · ownership.nature: Platinum Equity Capital Partners IV, L.P. ("PECP IV") holds a majority membership interest in PE Greenlight and may be deemed to beneficially own the Issuer securities beneficially owned by PE Greenlight. Platinum Equity Partners IV, L.P. ("PEP IV LP") is the general partner of PECP IV and may be deemed to beneficially own the Issuer securities beneficially owned by PECP IV. Platinum Equity Partners IV, LLC ("PEP IV LLC") is the general partner of PEP IV LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEP IV LP. Platinum Equity Investment Holdings IV, LLC ("PEIH IV") is the sole member of PEP IV LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PEP IV LLC.

F5 · ownership.nature: (Continued from Footnote 4) Platinum Equity Investment Holdings IV Manager, LLC ("PEIH IV Manager") is the sole manager of PEIH IV and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IV. Platinum Equity InvestCo, L.P. ("PEI LP") owns all of the economic interests in PEIH IV and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IV. Platinum Equity Investment Holdings IC (Cayman), LLC ("PEIH IC LLC") is the general partner of PEI LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEI LP. Platinum Equity Investment Holdings, LLC ("PEIH LLC") is the sole member of PEIH IC LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IC LLC. Platinum InvestCo (Cayman), LLC ("PI LLC") holds a controlling interest in PEI LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEI LP.

F6 · ownership.nature: Platinum Equity, LLC ("Platinum Equity," and together with PE Greenlight, PECP IV, PEP IV LP, PEP IV LLC, PEIH IV, PEIH IV Manager, PEI LP, PEIH IC LLC, PEIH LLC and PI LLC, the "Platinum Entities") is the sole member of PEIH IV Manager and PEIH LLC and may be deemed to beneficially own the Issuer securities beneficially owned by each of PEIH IV Manager and PEIH LLC. Platinum Equity and Tom Gores, together, hold a controlling interest in PI LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PI LLC. Tom Gores is the Chairman and Chief Executive Officer of Platinum Equity and may be deemed to beneficially own the Issuer securities beneficially owned by Platinum Equity. Mr. Gores disclaims beneficial ownership of all Issuer securities beneficially owned by each of the foregoing entities except to the extent of any pecuniary interest therein.

F11 · ownership.nature: Except as noted in footnote (7), such shares are held directly by PE Greenlight.

SEC source: 0001140361-21-011617 · form4.xml · nonDerivative · entry 1

PE One Source Holdings, LLC · CIK 0001855018 · 10% owner

Platinum Equity Capital Partners V, L.P. · CIK 0001778958 · 10% owner

Platinum Equity Partners V, L.P. · CIK 0001854950 · 10% owner

Platinum Equity Partners V, LLC · CIK 0001854827 · 10% owner

Platinum Equity Investment Holdings V, LLC · CIK 0001854932 · 10% owner

Platinum Equity Investment Holdings V Manager, LLC · CIK 0001854967 · 10% owner

Platinum Equity InvestCo, L.P. · CIK 0001756331 · 10% owner

Platinum InvestCo (Cayman), LLC · CIK 0001766567 · 10% owner

Platinum Equity Investment Holdings IC (Cayman), LLC · CIK 0001756330 · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 148,600,000

F1 · ownership.direct: Two Forms 4 are being filed, covering a total of twelve (12) reporting persons. This is the first of the two Forms 4 (the "First Form 4") and is being filed by each of: (i) PE One Source Holdings, LLC, a Delaware limited liability company ("PE One Source"), (ii) Platinum Equity Capital Partners V, L.P., a Delaware limited partnership ("PECP V"), (iii) Platinum Equity Partners V, L.P., a Delaware limited partnership ("PEP V LP"), (iv) Platinum Equity Partners V, LLC, a Delaware limited liability company ("PEP V LLC"), (v) Platinum Equity Investment Holdings V, LLC, a Delaware limited liability company ("PEIH V"), (vi) Platinum Equity Investment Holdings V Manager, LLC, a Delaware limited liability company ("PEIH V Manager"), (vii) Platinum Equity InvestCo, L.P., a Cayman Islands limited partnership ("PEIC LP"), (viii) Platinum InvestCo (Cayman), LLC, a Cayman Islands limited liability company ("PIC LLC"),

F2 · ownership.direct: (Continued From Footnote 1) (ix) Platinum Equity Investment Holdings IC (Cayman), LLC, a Delaware limited liability company ("PEIH IC LLC"), and (x) Platinum Equity Investment Holdings, LLC, a Delaware limited liability company ("Platinum Holdings"). The second of the two Forms 4 (the "Second Form 4") is being filed by (xi) Platinum Equity, LLC, a Delaware limited liability company ("Platinum Equity," and together with the entities listed in clauses (i)-(x), the "Platinum Entities," and (xii) Tom Gores, an individual and citizen of the United States (each person or entity listed in clauses (i)-(xii), a "Reporting Person" and, collectively, the "Reporting Persons"). PE One Source directly owns 148,600,000 shares of common stock, par value $0.0001 per share (the "Shares"), of Custom Truck One Source, Inc. (the "Issuer"). PECP V holds a majority of the outstanding equity in PE One Source and, accordingly, may be deemed to beneficially own the Shares beneficially owned by PE One Source.

F3 · ownership.direct: (Continued From Footnote 2) PEP V LP is the general partner of PECP V and, accordingly, may be deemed to beneficially own the Shares beneficially owned by PECP V. PEP V LLC is the general partner of PEP V LP and, accordingly, may be deemed to beneficially own the Shares beneficially owned by PEP V LP. PEIH V holds all of the outstanding equity in PEP V LLC and, accordingly, may be deemed to beneficially own the Shares beneficially owned by PEP V LLC. PEIH V Manager is the sole manager of PEIH V and, accordingly, may be deemed to beneficially own the Shares beneficially owned by PEIH V. PEIC LP holds all of the outstanding equity in PEIH V and, accordingly, may be deemed to beneficially own the Shares beneficially owned by PEIH V. PIC LLC holds a controlling interest in PEIC LP and, accordingly, may be deemed to beneficially own the Shares beneficially owned by PEIC LP. PEIH IC LLC is the general partner of PEIC LP and, accordingly, may be deemed to beneficially own the Shares beneficia

F4 · ownership.direct: (Continued From Footnote 3) Platinum Equity is the sole member of Platinum Holdings, and PEIH V Manager and, accordingly, may be deemed to beneficially own the Shares beneficially owned by each of Platinum Holdings and PEIH V Manager. Platinum Equity and Tom Gores, together, hold a controlling interest in PIC LLC and may be deemed to beneficially own the Shares beneficially owned by PIC LLC. Tom Gores is the Chairman and Chief Executive Officer of Platinum Equity and, accordingly, may be deemed to beneficially own the Shares beneficially owned by Platinum Equity. Mr. Gores disclaims beneficial ownership of all the Shares held by each of the entities listed above with respect to which he does not have a pecuniary interest. Because of the relationship discussed above, each Reporting Person may be deemed to beneficially own the Shares reported in this Form 4.

F5 · ownership.direct: Pursuant to Rule 16a-1(a)(4) under the Exchange Act, this filing shall not be deemed an admission that the Reporting Persons are, for purposes of Section 16 of the Exchange Act or otherwise, the beneficial owners of any equity securities in excess of their respective pecuniary interests.

F1 · ownership.nature: Two Forms 4 are being filed, covering a total of twelve (12) reporting persons. This is the first of the two Forms 4 (the "First Form 4") and is being filed by each of: (i) PE One Source Holdings, LLC, a Delaware limited liability company ("PE One Source"), (ii) Platinum Equity Capital Partners V, L.P., a Delaware limited partnership ("PECP V"), (iii) Platinum Equity Partners V, L.P., a Delaware limited partnership ("PEP V LP"), (iv) Platinum Equity Partners V, LLC, a Delaware limited liability company ("PEP V LLC"), (v) Platinum Equity Investment Holdings V, LLC, a Delaware limited liability company ("PEIH V"), (vi) Platinum Equity Investment Holdings V Manager, LLC, a Delaware limited liability company ("PEIH V Manager"), (vii) Platinum Equity InvestCo, L.P., a Cayman Islands limited partnership ("PEIC LP"), (viii) Platinum InvestCo (Cayman), LLC, a Cayman Islands limited liability company ("PIC LLC"),

F2 · ownership.nature: (Continued From Footnote 1) (ix) Platinum Equity Investment Holdings IC (Cayman), LLC, a Delaware limited liability company ("PEIH IC LLC"), and (x) Platinum Equity Investment Holdings, LLC, a Delaware limited liability company ("Platinum Holdings"). The second of the two Forms 4 (the "Second Form 4") is being filed by (xi) Platinum Equity, LLC, a Delaware limited liability company ("Platinum Equity," and together with the entities listed in clauses (i)-(x), the "Platinum Entities," and (xii) Tom Gores, an individual and citizen of the United States (each person or entity listed in clauses (i)-(xii), a "Reporting Person" and, collectively, the "Reporting Persons"). PE One Source directly owns 148,600,000 shares of common stock, par value $0.0001 per share (the "Shares"), of Custom Truck One Source, Inc. (the "Issuer"). PECP V holds a majority of the outstanding equity in PE One Source and, accordingly, may be deemed to beneficially own the Shares beneficially owned by PE One Source.

F3 · ownership.nature: (Continued From Footnote 2) PEP V LP is the general partner of PECP V and, accordingly, may be deemed to beneficially own the Shares beneficially owned by PECP V. PEP V LLC is the general partner of PEP V LP and, accordingly, may be deemed to beneficially own the Shares beneficially owned by PEP V LP. PEIH V holds all of the outstanding equity in PEP V LLC and, accordingly, may be deemed to beneficially own the Shares beneficially owned by PEP V LLC. PEIH V Manager is the sole manager of PEIH V and, accordingly, may be deemed to beneficially own the Shares beneficially owned by PEIH V. PEIC LP holds all of the outstanding equity in PEIH V and, accordingly, may be deemed to beneficially own the Shares beneficially owned by PEIH V. PIC LLC holds a controlling interest in PEIC LP and, accordingly, may be deemed to beneficially own the Shares beneficially owned by PEIC LP. PEIH IC LLC is the general partner of PEIC LP and, accordingly, may be deemed to beneficially own the Shares beneficia

F4 · ownership.nature: (Continued From Footnote 3) Platinum Equity is the sole member of Platinum Holdings, and PEIH V Manager and, accordingly, may be deemed to beneficially own the Shares beneficially owned by each of Platinum Holdings and PEIH V Manager. Platinum Equity and Tom Gores, together, hold a controlling interest in PIC LLC and may be deemed to beneficially own the Shares beneficially owned by PIC LLC. Tom Gores is the Chairman and Chief Executive Officer of Platinum Equity and, accordingly, may be deemed to beneficially own the Shares beneficially owned by Platinum Equity. Mr. Gores disclaims beneficial ownership of all the Shares held by each of the entities listed above with respect to which he does not have a pecuniary interest. Because of the relationship discussed above, each Reporting Person may be deemed to beneficially own the Shares reported in this Form 4.

F5 · ownership.nature: Pursuant to Rule 16a-1(a)(4) under the Exchange Act, this filing shall not be deemed an admission that the Reporting Persons are, for purposes of Section 16 of the Exchange Act or otherwise, the beneficial owners of any equity securities in excess of their respective pecuniary interests.

SEC source: 0000899243-21-009375 · doc4.xml · nonDerivative · entry 1

VPE Holdings, LLC · CIK 0001801998 · Director · 10% owner

Vertiv JV Holdings, LLC · CIK 0001801997 · Director · 10% owner

PE Vertiv Holdings, LLC · CIK 0001801996 · Director · 10% owner

Platinum Equity Investment Holdings III, LLC · CIK 0001676357 · Director · 10% owner

Platinum Equity Investment Holdings III Manager, LLC · CIK 0001757175 · Director · 10% owner

Platinum Equity InvestCo, L.P. · CIK 0001756331 · Director · 10% owner

Platinum Equity Investment Holdings IC (Cayman), LLC · CIK 0001756330 · Director · 10% owner

Platinum InvestCo (Cayman), LLC · CIK 0001766567 · Director · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · Director · 10% owner

PLATINUM EQUITY LLC · CIK 0001228754 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,880,215

F1 · ownership.direct: VPE Holdings, LLC ("VPE"), a Delaware limited liability company, directly owns 59,880,215 shares of Class A common stock, par value $0.0001 per share (the "Shares"), of Vertiv Holdings Co (the "Issuer"). Vertiv JV Holdings, LLC ("JV") owns a majority of the outstanding equity interests of VPE, and PE Vertiv Holdings, LLC ("PE Vertiv") owns a majority of the outstanding interests of JV, and, accordingly, each may be deemed to beneficially own the Shares beneficially owned by VPE. PE Vertiv is directly owned by six private equity investment funds (the "Funds"), none of which private equity investment funds individually has the power to direct the voting or disposition of shares beneficially owned.

F2 · ownership.direct: (Continued From Footnote 1) Platinum Equity Investment Holdings III, LLC ("Holdings III") is the managing member of one of the Funds and the managing member of the general partner of four of the Funds. Through such positions, Holdings III has the indirect power to direct the voting of a majority of the outstanding equity interests of PE Vertiv.

F3 · ownership.direct: (Continued From Footnote 2) Platinum Equity Investment Holdings Manager III, LLC ("Holdings Manager") is the managing member of Holdings III. Platinum Equity InvestCo, L.P. ("InvestCo") owns all of the economic interests in Holdings III. Platinum Equity Investment Holdings IC (Cayman), LLC ("Holdings Cayman") is the general partner of InvestCo. Platinum InvestCo (Cayman), LLC ("InvestCo Cayman") holds a controlling interest in InvestCo. Platinum Equity, LLC ("Platinum") is sole member of Holdings Manager. Platinum also indirectly controls the other funds that own equity interests of PE Vertiv.

F4 · ownership.direct: (Continued From Footnote 3) Mr. Tom Gores (together with VPE, JV, PE Vertiv, Holdings III, Holdings Manager, InvestCo, Holdings Cayman, InvestCo Cayman and Platinum, the "Reporting Persons") is the beneficial owner of Platinum. Accordingly, as a result of their indirect ownership and control of each of VPE, JV and PE Vertiv, each of Holdings III, Holdings Manager, InvestCo, Holdings Cayman, InvestCo Cayman, Platinum and Mr. Tom Gores may be deemed to beneficially own the shares owned directly by VPE.

F5 · ownership.direct: Because of the relationship among the Reporting Persons, the Reporting Persons may be deemed to beneficially own the securities reported herein to the extent of their respective pecuniary interests. Each Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein, if any.

F6 · ownership.direct: Pursuant to Rule 16a-1(a)(4) under the Exchange Act, this filing shall not be deemed an admission that the Reporting Persons are, for purposes of Section 16 of the Exchange Act or otherwise, the beneficial owners of any equity securities in excess of their respective pecuniary interests.

SEC source: 0000899243-21-005216 · doc4.xml · derivative · entry 1

VPE Holdings, LLC · CIK 0001801998 · Director · 10% owner

Vertiv JV Holdings, LLC · CIK 0001801997 · Director · 10% owner

PE Vertiv Holdings, LLC · CIK 0001801996 · Director · 10% owner

Platinum Equity Investment Holdings III, LLC · CIK 0001676357 · Director · 10% owner

Platinum Equity Investment Holdings III Manager, LLC · CIK 0001757175 · Director · 10% owner

Platinum Equity InvestCo, L.P. · CIK 0001756331 · Director · 10% owner

Platinum Equity Investment Holdings IC (Cayman), LLC · CIK 0001756330 · Director · 10% owner

Platinum InvestCo (Cayman), LLC · CIK 0001766567 · Director · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · Director · 10% owner

PLATINUM EQUITY LLC · CIK 0001228754 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 77,294

Underlying: Class A Common Stock · 77,294 shares

Expires 2031-02-03

F1 · derivative.exercise_date: Consists of options to purchase shares of Class A common stock of Vertiv Holdings Co (the "Issuer"), subject to vesting in equal or nearly equal installments on February 4 of each of 2022, 2023, 2024 and 2025, granted to Jacob Kotzubei and Matthew Louie, assuming continued board service through the applicable vesting date. Options to purchase 38,647 shares of Class A common stock of the Issuer were granted to each of Messrs. Kotzubei and Louie.

F2 · ownership.nature: Pursuant to a contractual agreement between Messrs. Kotzubei and Louie, on the one hand, and VPE Holdings, LLC ("VPE"), on the other hand, the shares of Class A common stock of the Issuer issuable to Messrs. Kotzubei and Louie upon exercise of such stock options will be immediately transferred to VPE in a transaction exempt from Section 16 pursuant to Rule 16a-13 thereunder.

F3 · ownership.nature: Vertiv JV Holdings, LLC ("JV") owns a majority of the outstanding equity interests of VPE, and PE Vertiv Holdings, LLC ("PE Vertiv") owns a majority of the outstanding interests of JV, and, accordingly, each may be deemed to beneficially own the shares of Class A common stock beneficially owned by VPE. PE Vertiv is directly owned by six private equity investment funds (the "Funds"), none of which private equity investment funds individually has the power to direct the voting or disposition of shares beneficially owned. Platinum Equity Investment Holdings III, LLC ("Holdings III") is the managing member of one of the Funds and the managing member of the general partner of four of the Funds.

F4 · ownership.nature: (Continued from footnote 3) Through such positions, Holdings III has the indirect power to direct the voting of a majority of the outstanding equity interests of PE Vertiv. Platinum Equity Investment Holdings Manager III, LLC ("Holdings Manager") is the managing member of Holdings III. Platinum Equity InvestCo, L.P. ("InvestCo") owns all of the economic interests in Holdings III. Platinum Equity Investment Holdings IC (Cayman), LLC ("Holdings Cayman") is the general partner of InvestCo. Platinum InvestCo (Cayman), LLC ("InvestCo Cayman") holds a controlling interest in InvestCo. Platinum Equity, LLC ("Platinum") is sole member of Holdings Manager. Platinum also indirectly controls the other funds that own equity interests of PE Vertiv. Mr. Tom Gores (together with VPE, JV, PE Vertiv, Holdings III, Holdings Manager, InvestCo, Holdings Cayman, InvestCo Cayman and Platinum, the "Reporting Persons") is the beneficial owner of Platinum. Accordingly,

F5 · ownership.nature: (Continued from footnote 4) as a result of their indirect ownership and control of each of VPE, JV and PE Vertiv, each of Holdings III, Holdings Manager, InvestCo, Holdings Cayman, InvestCo Cayman, Platinum and Mr. Tom Gores may be deemed to beneficially own the shares owned directly by VPE.

F6 · ownership.nature: Because of the relationship among the Reporting Persons, the Reporting Persons may be deemed to beneficially own the securities reported herein to the extent of their respective pecuniary interests. Each Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein, if any.

F7 · ownership.nature: Pursuant to Rule 16a-1(a)(4) under the Exchange Act, this filing shall not be deemed an admission that the Reporting Persons are, for purposes of Section 16 of the Exchange Act or otherwise, the beneficial owners of any equity securities in excess of their respective pecuniary interests.

SEC source: 0000899243-20-031651 · doc4.xml · nonDerivative · entry 1

VPE Holdings, LLC · CIK 0001801998 · Director · 10% owner

Vertiv JV Holdings, LLC · CIK 0001801997 · Director · 10% owner

PE Vertiv Holdings, LLC · CIK 0001801996 · Director · 10% owner

Platinum Equity Investment Holdings III, LLC · CIK 0001676357 · Director · 10% owner

Platinum Equity Investment Holdings III Manager, LLC · CIK 0001757175 · Director · 10% owner

Platinum Equity InvestCo, L.P. · CIK 0001756331 · Director · 10% owner

Platinum Equity Investment Holdings IC (Cayman), LLC · CIK 0001756330 · Director · 10% owner

Platinum InvestCo (Cayman), LLC · CIK 0001766567 · Director · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · Director · 10% owner

PLATINUM EQUITY LLC · CIK 0001228754 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 77,261,955

F1 · ownership.direct: VPE Holdings, LLC ("VPE"), a Delaware limited liability company, directly owns 77,261,955 shares of Class A common stock, par value $0.0001 per share (the "Shares"), of Vertiv Holdings Co (the "Issuer"). Vertiv JV Holdings, LLC ("JV") owns a majority of the outstanding equity interests of VPE, and PE Vertiv Holdings, LLC ("PE Vertiv") owns a majority of the outstanding interests of JV, and, accordingly, each may be deemed to beneficially own the Shares beneficially owned by VPE. PE Vertiv is directly owned by six private equity investment funds (the "Funds"), none of which private equity investment funds individually has the power to direct the voting or disposition of shares beneficially owned. Platinum Equity Investment Holdings III, LLC ("Holdings III") is the managing member of one of the Funds and the managing member of the general partner of four of the Funds.

F2 · ownership.direct: (Continued from footnote 1) Through such positions, Holdings III has the indirect power to direct the voting of a majority of the outstanding equity interests of PE Vertiv. Platinum Equity Investment Holdings Manager III, LLC ("Holdings Manager") is the managing member of Holdings III. Platinum Equity InvestCo, L.P. ("InvestCo") owns all of the economic interests in Holdings III. Platinum Equity Investment Holdings IC (Cayman), LLC ("Holdings Cayman") is the general partner of InvestCo. Platinum InvestCo (Cayman), LLC ("InvestCo Cayman") holds a controlling interest in InvestCo. Platinum Equity, LLC ("Platinum") is sole member of Holdings Manager. Platinum also indirectly controls the other funds that own equity interests of PE Vertiv. Mr. Tom Gores (together with VPE, JV, PE Vertiv, Holdings III, Holdings Manager, InvestCo, Holdings Cayman, InvestCo Cayman and Platinum, the "Reporting Persons") is the beneficial owner of Platinum. Accordingly,

F3 · ownership.direct: (Continued from footnote 2) as a result of their indirect ownership and control of each of VPE, JV and PE Vertiv, each of Holdings III, Holdings Manager, InvestCo, Holdings Cayman, InvestCo Cayman, Platinum and Mr. Tom Gores may be deemed to beneficially own the shares owned directly by VPE.

F4 · ownership.direct: Because of the relationship among the Reporting Persons, the Reporting Persons may be deemed to beneficially own the securities reported herein to the extent of their respective pecuniary interests. Each Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein, if any.

F5 · ownership.direct: Pursuant to Rule 16a-1(a)(4) under the Exchange Act, this filing shall not be deemed an admission that the Reporting Persons are, for purposes of Section 16 of the Exchange Act or otherwise, the beneficial owners of any equity securities in excess of their respective pecuniary interests.

SEC source: 0000899243-20-022946 · doc4.xml · nonDerivative · entry 1

VPE Holdings, LLC · CIK 0001801998 · Director · 10% owner

Vertiv JV Holdings, LLC · CIK 0001801997 · Director · 10% owner

PE Vertiv Holdings, LLC · CIK 0001801996 · Director · 10% owner

Platinum Equity Investment Holdings III, LLC · CIK 0001676357 · Director · 10% owner

Platinum Equity Investment Holdings III Manager, LLC · CIK 0001757175 · Director · 10% owner

Platinum Equity InvestCo, L.P. · CIK 0001756331 · Director · 10% owner

Platinum Equity Investment Holdings IC (Cayman), LLC · CIK 0001756330 · Director · 10% owner

Platinum InvestCo (Cayman), LLC · CIK 0001766567 · Director · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 95,261,955

F1 · ownership.direct: VPE Holdings, LLC ("VPE"), a Delaware limited liability company, directly owns 95,261,955 shares of Class A common stock, par value $0.0001 per share (the "Shares"), of Vertiv Holdings Co (the "Issuer"). Vertiv JV Holdings, LLC ("JV") owns a majority of the outstanding equity interests of VPE, and PE Vertiv Holdings, LLC ("PE Vertiv") owns a majority of the outstanding interests of JV, and, accordingly, each may be deemed to beneficially own the Shares beneficially owned by VPE. PE Vertiv is directly owned by six private equity investment funds, none of which private equity investment funds individually has the power to direct the voting or disposition of shares beneficially owned.

F2 · ownership.direct: (continued from footnote 1) Platinum Equity Investment Holdings III, LLC ("Holdings III") is the managing member of one of such funds and the managing member of the general partner of four of such funds. Through such positions, Holdings III has the indirect power to direct the voting of a majority of the outstanding equity interests of PE Vertiv. Platinum Equity Investment Holdings Manager III, LLC ("Holdings Manager") is the managing member of Holdings III. Platinum Equity InvestCo, L.P. ("InvestCo") owns all of the economic interests in Holdings III. Platinum Equity Investment Holdings IC (Cayman), LLC ("Holdings Cayman") is the general partner of InvestCo. Platinum InvestCo (Cayman), LLC ("InvestCo Cayman") holds a controlling interest in InvestCo. Platinum Equity, LLC ("Platinum") is sole member of Holdings Manager and Holdings III. Platinum also indirectly controls the other funds that own equity interests of PE Vertiv.

F3 · ownership.direct: (continued from footnote 2) Mr. Tom Gores (together with VPE, JV, PE Vertiv, Holdings III, Holdings Manager, InvestCo, Holdings Cayman, InvestCo Cayman and Platinum, the "Reporting Persons") is the beneficial owner of Platinum. Accordingly, as a result of their indirect ownership and control of each of VPE, JV and PE Vertiv, each of Holdings III, Holdings Manager, InvestCo, Holdings Cayman, InvestCo Cayman, Platinum and Mr. Tom Gores may be deemed to beneficially own the shares owned directly by VPE.

F4 · ownership.direct: Because of the relationship among the Reporting Persons, the Reporting Persons may be deemed to beneficially own the securities reported herein to the extent of their respective pecuniary interests. Each Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein, if any.

F5 · ownership.direct: Pursuant to Rule 16a-1(a)(4) under the Exchange Act, this filing shall not be deemed an admission that the Reporting Persons are, for purposes of Section 16 of the Exchange Act or otherwise, the beneficial owners of any equity securities in excess of their respective pecuniary interests.

SEC source: 0000899243-20-014440 · doc4.xml · derivative · entry 1

PLATINUM EQUITY LLC · CIK 0001228754 · Director · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · Director · 10% owner

Gores Tom · CIK 0001471783 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 17,392

Underlying: Class A Common Stock, par value $0.0001 per share · 17,392 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock of Verra Mobility Corporation (the "Issuer").

F2 · shares: The restricted stock units reported on this row were granted to Bryan Kelln and Jacob Kotzubei as compensation for their service on the Issuer's board of directors and are held by Messrs. Kelln and Kotzubei for the benefit of PE Greenlight Holdings, LLC ("PE Greenlight"). 8,696 of such restricted stock units were granted to Mr. Kelln, and 8,696 of such restricted stock units were granted to Mr. Kotzubei.

F3 · derivative.exercise_date: The restricted stock units will vest in full on the earlier of (a) May 26, 2021, or (b) the date immediately prior to the next annual meeting of Issuer's stockholders occurring after the date of grant. Pursuant to a contractual agreement between Messrs. Kelln and Kotzubei, on the one hand, and PE Greenlight, on the other hand, the shares of Class A Common Stock issued to Messrs. Kelln and Kotzubei upon settlement of such restricted stock units will be immediately transferred to PE Greenlight in a transaction exempt from Section 16 pursuant to Rule 16a-13 thereunder.

F3 · derivative.expiration_date: The restricted stock units will vest in full on the earlier of (a) May 26, 2021, or (b) the date immediately prior to the next annual meeting of Issuer's stockholders occurring after the date of grant. Pursuant to a contractual agreement between Messrs. Kelln and Kotzubei, on the one hand, and PE Greenlight, on the other hand, the shares of Class A Common Stock issued to Messrs. Kelln and Kotzubei upon settlement of such restricted stock units will be immediately transferred to PE Greenlight in a transaction exempt from Section 16 pursuant to Rule 16a-13 thereunder.

F4 · ownership.nature: Platinum Equity Capital Partners IV, L.P. ("PECP IV") holds a majority membership interest in PE Greenlight and may be deemed to beneficially own the Issuer securities beneficially owned by PE Greenlight. Platinum Equity Partners IV, L.P. ("PEP IV LP") is the general partner of PECP IV and may be deemed to beneficially own the Issuer securities beneficially owned by PECP IV. Platinum Equity Partners IV, LLC ("PEP IV LLC") is the general partner of PEP IV LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEP IV LP. Platinum Equity Investment Holdings IV, LLC ("PEIH IV") is the sole member of PEP IV LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PEP IV LLC.

F5 · ownership.nature: (Continued from Footnote 4) Platinum Equity Investment Holdings IV Manager, LLC ("PEIH IV Manager") is the sole manager of PEIH IV and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IV. Platinum Equity InvestCo, L.P. ("PEI LP") owns all of the economic interests in PEIH IV and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IV. Platinum Equity Investment Holdings IC (Cayman), LLC ("PEIH IC LLC") is the general partner of PEI LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEI LP. Platinum Equity Investment Holdings, LLC ("PEIH LLC") is the sole member of PEIH IC LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IC LLC. Platinum InvestCo (Cayman), LLC ("PI LLC") holds a controlling interest in PEI LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEI LP.

F6 · ownership.nature: Platinum Equity, LLC ("Platinum Equity," and together with PE Greenlight, PECP IV, PEP IV LP, PEP IV LLC, PEIH IV, PEIH IV Manager, PEI LP, PEIH IC LLC, PEIH LLC and PI LLC, the "Platinum Entities") is the sole member of PEIH IV Manager and PEIH LLC and may be deemed to beneficially own the Issuer securities beneficially owned by each of PEIH IV Manager and PEIH LLC. Platinum Equity and Tom Gores, together, hold a controlling interest in PI LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PI LLC. Tom Gores is the Chairman and Chief Executive Officer of Platinum Equity and may be deemed to beneficially own the Issuer securities beneficially owned by Platinum Equity. Mr. Gores disclaims beneficial ownership of all Issuer securities beneficially owned by each of the foregoing entities except to the extent of any pecuniary interest therein.

SEC source: 0000899243-20-003383 · doc4.xml · derivative · entry 3

PLATINUM EQUITY LLC · CIK 0001228754 · Director · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · Director · 10% owner

Gores Tom · CIK 0001471783 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Class A common stock, par value $0.0001 per share · 2,500,000 shares

Expires 2023-10-17

F1 · derivative.exercise_price: On February 3, 2020, PE Greenlight Holdings, LLC ("PE Greenlight") received 2,500,000 shares of the Issuer's Class A common stock, par value $0.0001 per share ("Class A Shares"), in connection with the settlement of the earnout rights described in Table II, which such earnout rights were acquired by PE Greenlight on the Closing Date (as defined below). Pursuant to an "earn-out" provision in that certain Agreement and Plan of Merger by and among the Issuer, AM Merger Sub I, Inc., AM Merger Sub II, LLC, Greenlight Holding II Corporation ("Greenlight") and PE Greenlight, in its capacity as the Stockholder Representative (as amended, the "Merger Agreement") related to the Issuer's business combination with Greenlight on October 17, 2018 (the "Closing Date"),

F2 · derivative.exercise_price: (Continued from Footnote 1) PE Greenlight became irrevocably entitled on the Closing Date to receive a one-time issuance of 2,500,000 Class A Shares (the "Earn-Out Shares") if (i) the volume weighted average closing sale price of one Class A Share on Nasdaq for a period of at least 10 days out of 20 consecutive trading days at any time during the five-year period following the Closing Date (the "Average Share Price") is greater than $15.50 or (ii) upon the occurrence of certain change of control events during the five-year period following the Closing Date, as further described in the Merger Agreement, if any such event results in the holders of Issuer's Class A Shares receiving a per share price equal to or in excess of $15.50 per share. As a result of the Average Share Price being greater than $15.50, on February 3, 2020 PE Greenlight acquired an additional 2,500,000 Class A Shares as required pursuant to the Merger Agreement.

F1 · kind: On February 3, 2020, PE Greenlight Holdings, LLC ("PE Greenlight") received 2,500,000 shares of the Issuer's Class A common stock, par value $0.0001 per share ("Class A Shares"), in connection with the settlement of the earnout rights described in Table II, which such earnout rights were acquired by PE Greenlight on the Closing Date (as defined below). Pursuant to an "earn-out" provision in that certain Agreement and Plan of Merger by and among the Issuer, AM Merger Sub I, Inc., AM Merger Sub II, LLC, Greenlight Holding II Corporation ("Greenlight") and PE Greenlight, in its capacity as the Stockholder Representative (as amended, the "Merger Agreement") related to the Issuer's business combination with Greenlight on October 17, 2018 (the "Closing Date"),

F2 · kind: (Continued from Footnote 1) PE Greenlight became irrevocably entitled on the Closing Date to receive a one-time issuance of 2,500,000 Class A Shares (the "Earn-Out Shares") if (i) the volume weighted average closing sale price of one Class A Share on Nasdaq for a period of at least 10 days out of 20 consecutive trading days at any time during the five-year period following the Closing Date (the "Average Share Price") is greater than $15.50 or (ii) upon the occurrence of certain change of control events during the five-year period following the Closing Date, as further described in the Merger Agreement, if any such event results in the holders of Issuer's Class A Shares receiving a per share price equal to or in excess of $15.50 per share. As a result of the Average Share Price being greater than $15.50, on February 3, 2020 PE Greenlight acquired an additional 2,500,000 Class A Shares as required pursuant to the Merger Agreement.

F3 · kind: Transaction exempt from Section 16(b) of the Securities Exchange Act of 1934 (the "Act") pursuant to Rule 16b-6(b) promulgated under the Act.

F1 · price: On February 3, 2020, PE Greenlight Holdings, LLC ("PE Greenlight") received 2,500,000 shares of the Issuer's Class A common stock, par value $0.0001 per share ("Class A Shares"), in connection with the settlement of the earnout rights described in Table II, which such earnout rights were acquired by PE Greenlight on the Closing Date (as defined below). Pursuant to an "earn-out" provision in that certain Agreement and Plan of Merger by and among the Issuer, AM Merger Sub I, Inc., AM Merger Sub II, LLC, Greenlight Holding II Corporation ("Greenlight") and PE Greenlight, in its capacity as the Stockholder Representative (as amended, the "Merger Agreement") related to the Issuer's business combination with Greenlight on October 17, 2018 (the "Closing Date"),

F2 · price: (Continued from Footnote 1) PE Greenlight became irrevocably entitled on the Closing Date to receive a one-time issuance of 2,500,000 Class A Shares (the "Earn-Out Shares") if (i) the volume weighted average closing sale price of one Class A Share on Nasdaq for a period of at least 10 days out of 20 consecutive trading days at any time during the five-year period following the Closing Date (the "Average Share Price") is greater than $15.50 or (ii) upon the occurrence of certain change of control events during the five-year period following the Closing Date, as further described in the Merger Agreement, if any such event results in the holders of Issuer's Class A Shares receiving a per share price equal to or in excess of $15.50 per share. As a result of the Average Share Price being greater than $15.50, on February 3, 2020 PE Greenlight acquired an additional 2,500,000 Class A Shares as required pursuant to the Merger Agreement.

F1 · derivative.exercise_date: On February 3, 2020, PE Greenlight Holdings, LLC ("PE Greenlight") received 2,500,000 shares of the Issuer's Class A common stock, par value $0.0001 per share ("Class A Shares"), in connection with the settlement of the earnout rights described in Table II, which such earnout rights were acquired by PE Greenlight on the Closing Date (as defined below). Pursuant to an "earn-out" provision in that certain Agreement and Plan of Merger by and among the Issuer, AM Merger Sub I, Inc., AM Merger Sub II, LLC, Greenlight Holding II Corporation ("Greenlight") and PE Greenlight, in its capacity as the Stockholder Representative (as amended, the "Merger Agreement") related to the Issuer's business combination with Greenlight on October 17, 2018 (the "Closing Date"),

F2 · derivative.exercise_date: (Continued from Footnote 1) PE Greenlight became irrevocably entitled on the Closing Date to receive a one-time issuance of 2,500,000 Class A Shares (the "Earn-Out Shares") if (i) the volume weighted average closing sale price of one Class A Share on Nasdaq for a period of at least 10 days out of 20 consecutive trading days at any time during the five-year period following the Closing Date (the "Average Share Price") is greater than $15.50 or (ii) upon the occurrence of certain change of control events during the five-year period following the Closing Date, as further described in the Merger Agreement, if any such event results in the holders of Issuer's Class A Shares receiving a per share price equal to or in excess of $15.50 per share. As a result of the Average Share Price being greater than $15.50, on February 3, 2020 PE Greenlight acquired an additional 2,500,000 Class A Shares as required pursuant to the Merger Agreement.

F4 · ownership.direct: Securities held directly by PE Greenlight. Platinum Equity Capital Partners IV, L.P. ("PECP IV") holds a majority membership interest in PE Greenlight and may be deemed to beneficially own the Issuer securities beneficially owned by PE Greenlight. Platinum Equity Partners IV, L.P. ("PEP IV LP") is the general partner of PECP IV and may be deemed to beneficially own the Issuer securities beneficially owned by PECP IV. Platinum Equity Partners IV, LLC ("PEP IV LLC") is the general partner of PEP IV LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEP IV LP. Platinum Equity Investment Holdings IV, LLC ("PEIH IV") is the sole member of PEP IV LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PEP IV LLC.

F5 · ownership.direct: (Continued from Footnote 4) Platinum Equity Investment Holdings IV Manager, LLC ("PEIH IV Manager") is the sole manager of PEIH IV and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IV. Platinum Equity InvestCo, L.P. ("PEI LP") owns all of the economic interests in PEIH IV and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IV. Platinum Equity Investment Holdings IC (Cayman), LLC ("PEIH IC LLC") is the general partner of PEI LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEI LP. Platinum Equity Investment Holdings, LLC ("PEIH LLC") is the sole member of PEIH IC LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IC LLC. Platinum InvestCo (Cayman), LLC ("PI LLC") holds a controlling interest in PEI LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEI LP.

F6 · ownership.direct: (Continued from Footnote 5) Platinum Equity, LLC ("Platinum Equity") is the sole member of PEIH IV Manager and PEIH LLC and may be deemed to beneficially own the Issuer securities beneficially owned by each of PEIH IV Manager and PEIH LLC. Platinum Equity and Tom Gores, together, hold a controlling interest in PI LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PI LLC. Tom Gores is the Chairman and Chief Executive Officer of Platinum Equity and may be deemed to beneficially own the Issuer securities beneficially owned by Platinum Equity. Mr. Gores disclaims beneficial ownership of all Issuer securities beneficially owned by each of the foregoing entities except to the extent of any pecuniary interest therein.

SEC source: 0000899243-20-003383 · doc4.xml · nonDerivative · entry 1

PLATINUM EQUITY LLC · CIK 0001228754 · Director · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · Director · 10% owner

Gores Tom · CIK 0001471783 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 24,239,744

F1 · kind: On February 3, 2020, PE Greenlight Holdings, LLC ("PE Greenlight") received 2,500,000 shares of the Issuer's Class A common stock, par value $0.0001 per share ("Class A Shares"), in connection with the settlement of the earnout rights described in Table II, which such earnout rights were acquired by PE Greenlight on the Closing Date (as defined below). Pursuant to an "earn-out" provision in that certain Agreement and Plan of Merger by and among the Issuer, AM Merger Sub I, Inc., AM Merger Sub II, LLC, Greenlight Holding II Corporation ("Greenlight") and PE Greenlight, in its capacity as the Stockholder Representative (as amended, the "Merger Agreement") related to the Issuer's business combination with Greenlight on October 17, 2018 (the "Closing Date"),

F2 · kind: (Continued from Footnote 1) PE Greenlight became irrevocably entitled on the Closing Date to receive a one-time issuance of 2,500,000 Class A Shares (the "Earn-Out Shares") if (i) the volume weighted average closing sale price of one Class A Share on Nasdaq for a period of at least 10 days out of 20 consecutive trading days at any time during the five-year period following the Closing Date (the "Average Share Price") is greater than $15.50 or (ii) upon the occurrence of certain change of control events during the five-year period following the Closing Date, as further described in the Merger Agreement, if any such event results in the holders of Issuer's Class A Shares receiving a per share price equal to or in excess of $15.50 per share. As a result of the Average Share Price being greater than $15.50, on February 3, 2020 PE Greenlight acquired an additional 2,500,000 Class A Shares as required pursuant to the Merger Agreement.

F3 · kind: Transaction exempt from Section 16(b) of the Securities Exchange Act of 1934 (the "Act") pursuant to Rule 16b-6(b) promulgated under the Act.

F1 · price: On February 3, 2020, PE Greenlight Holdings, LLC ("PE Greenlight") received 2,500,000 shares of the Issuer's Class A common stock, par value $0.0001 per share ("Class A Shares"), in connection with the settlement of the earnout rights described in Table II, which such earnout rights were acquired by PE Greenlight on the Closing Date (as defined below). Pursuant to an "earn-out" provision in that certain Agreement and Plan of Merger by and among the Issuer, AM Merger Sub I, Inc., AM Merger Sub II, LLC, Greenlight Holding II Corporation ("Greenlight") and PE Greenlight, in its capacity as the Stockholder Representative (as amended, the "Merger Agreement") related to the Issuer's business combination with Greenlight on October 17, 2018 (the "Closing Date"),

F2 · price: (Continued from Footnote 1) PE Greenlight became irrevocably entitled on the Closing Date to receive a one-time issuance of 2,500,000 Class A Shares (the "Earn-Out Shares") if (i) the volume weighted average closing sale price of one Class A Share on Nasdaq for a period of at least 10 days out of 20 consecutive trading days at any time during the five-year period following the Closing Date (the "Average Share Price") is greater than $15.50 or (ii) upon the occurrence of certain change of control events during the five-year period following the Closing Date, as further described in the Merger Agreement, if any such event results in the holders of Issuer's Class A Shares receiving a per share price equal to or in excess of $15.50 per share. As a result of the Average Share Price being greater than $15.50, on February 3, 2020 PE Greenlight acquired an additional 2,500,000 Class A Shares as required pursuant to the Merger Agreement.

F4 · ownership.nature: Securities held directly by PE Greenlight. Platinum Equity Capital Partners IV, L.P. ("PECP IV") holds a majority membership interest in PE Greenlight and may be deemed to beneficially own the Issuer securities beneficially owned by PE Greenlight. Platinum Equity Partners IV, L.P. ("PEP IV LP") is the general partner of PECP IV and may be deemed to beneficially own the Issuer securities beneficially owned by PECP IV. Platinum Equity Partners IV, LLC ("PEP IV LLC") is the general partner of PEP IV LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEP IV LP. Platinum Equity Investment Holdings IV, LLC ("PEIH IV") is the sole member of PEP IV LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PEP IV LLC.

F5 · ownership.nature: (Continued from Footnote 4) Platinum Equity Investment Holdings IV Manager, LLC ("PEIH IV Manager") is the sole manager of PEIH IV and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IV. Platinum Equity InvestCo, L.P. ("PEI LP") owns all of the economic interests in PEIH IV and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IV. Platinum Equity Investment Holdings IC (Cayman), LLC ("PEIH IC LLC") is the general partner of PEI LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEI LP. Platinum Equity Investment Holdings, LLC ("PEIH LLC") is the sole member of PEIH IC LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IC LLC. Platinum InvestCo (Cayman), LLC ("PI LLC") holds a controlling interest in PEI LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEI LP.

F6 · ownership.nature: (Continued from Footnote 5) Platinum Equity, LLC ("Platinum Equity") is the sole member of PEIH IV Manager and PEIH LLC and may be deemed to beneficially own the Issuer securities beneficially owned by each of PEIH IV Manager and PEIH LLC. Platinum Equity and Tom Gores, together, hold a controlling interest in PI LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PI LLC. Tom Gores is the Chairman and Chief Executive Officer of Platinum Equity and may be deemed to beneficially own the Issuer securities beneficially owned by Platinum Equity. Mr. Gores disclaims beneficial ownership of all Issuer securities beneficially owned by each of the foregoing entities except to the extent of any pecuniary interest therein.

SEC source: 0000899243-19-027729 · doc4.xml · nonDerivative · entry 1

PLATINUM EQUITY LLC · CIK 0001228754 · Director · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · Director · 10% owner

Gores Tom · CIK 0001471783 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 21,739,744

F1 · ownership.nature: Shares held directly by PE Greenlight Holdings, LLC ("PE Greenlight"). Platinum Equity Capital Partners IV, L.P. ("PECP IV") holds a majority membership interest in PE Greenlight and may be deemed to beneficially own the Issuer securities beneficially owned by PE Greenlight. Platinum Equity Partners IV, L.P. ("PEP IV LP") is the general partner of PECP IV and may be deemed to beneficially own the Issuer securities beneficially owned by PECP IV. Platinum Equity Partners IV, LLC ("PEP IV LLC") is the general partner of PEP IV LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEP IV LP. Platinum Equity Investment Holdings IV, LLC ("PEIH IV") is the sole member of PEP IV LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PEP IV LLC.

F2 · ownership.nature: (Continued from Footnote 1) Platinum Equity Investment Holdings IV Manager, LLC ("PEIH IV Manager") is the sole manager of PEIH IV and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IV. Platinum Equity InvestCo, L.P. ("PEI LP") owns all of the economic interests in PEIH IV and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IV. Platinum Equity Investment Holdings IC (Cayman), LLC ("PEIH IC LLC") is the general partner of PEI LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEI LP. Platinum Equity Investment Holdings, LLC ("PEIH LLC") is the sole member of PEIH IC LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IC LLC. Platinum InvestCo (Cayman), LLC ("PI LLC") holds a controlling interest in PEI LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEI LP.

F3 · ownership.nature: (Continued from Footnote 2) Platinum Equity, LLC ("Platinum Equity") is the sole member of PEIH IV Manager and PEIH LLC and may be deemed to beneficially own the Issuer securities beneficially owned by each of PEIH IV Manager and PEIH LLC. Platinum Equity and Tom Gores, together, hold a controlling interest in PI LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PI LLC. Tom Gores is the Chairman and Chief Executive Officer of Platinum Equity and may be deemed to beneficially own the Issuer securities beneficially owned by Platinum Equity. Mr. Gores disclaims beneficial ownership of all Issuer securities beneficially owned by each of the foregoing entities except to the extent of any pecuniary interest therein.

SEC source: 0000899243-19-019429 · doc4.xml · nonDerivative · entry 1

PLATINUM EQUITY LLC · CIK 0001228754 · Director · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · Director · 10% owner

Gores Tom · CIK 0001471783 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 38,989,744

F1 · ownership.nature: Shares held directly by PE Greenlight Holdings, LLC ("PE Greenlight"). Platinum Equity Capital Partners IV, L.P. ("PECP IV") holds a majority membership interest in PE Greenlight and may be deemed to beneficially own the Issuer securities beneficially owned by PE Greenlight. Platinum Equity Partners IV, L.P. ("PEP IV LP") is the general partner of PECP IV and may be deemed to beneficially own the Issuer securities beneficially owned by PECP IV. Platinum Equity Partners IV, LLC ("PEP IV LLC") is the general partner of PEP IV LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEP IV LP. Platinum Equity Investment Holdings IV, LLC ("PEIH IV") is the sole member of PEP IV LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PEP IV LLC.

F2 · ownership.nature: (Continued from Footnote 1) Platinum Equity Investment Holdings IV Manager, LLC ("PEIH IV Manager") is the sole manager of PEIH IV and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IV. Platinum Equity InvestCo, L.P. ("PEI LP") owns all of the economic interests in PEIH IV and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IV. Platinum Equity Investment Holdings IC (Cayman), LLC ("PEIH IC LLC") is the general partner of PEI LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEI LP. Platinum Equity Investment Holdings, LLC ("PEIH LLC") is the sole member of PEIH IC LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IC LLC. Platinum InvestCo (Cayman), LLC ("PI LLC") holds a controlling interest in PEI LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEI LP.

F3 · ownership.nature: (Continued from Footnote 2) Platinum Equity, LLC ("Platinum Equity") is the sole member of PEIH IV Manager and PEIH LLC and may be deemed to beneficially own the Issuer securities beneficially owned by each of PEIH IV Manager and PEIH LLC. Platinum Equity and Tom Gores, together, hold a controlling interest in PI LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PI LLC. Tom Gores is the Chairman and Chief Executive Officer of Platinum Equity and may be deemed to beneficially own the Issuer securities beneficially owned by Platinum Equity. Mr. Gores disclaims beneficial ownership of all Issuer securities beneficially owned by each of the foregoing entities except to the extent of any pecuniary interest therein.

SEC source: 0000899243-19-016727 · doc4.xml · nonDerivative · entry 1

PLATINUM EQUITY LLC · CIK 0001228754 · Director · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · Director · 10% owner

Gores Tom · CIK 0001471783 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 41,239,744

F1 · ownership.nature: Shares held directly by PE Greenlight Holdings, LLC ("PE Greenlight"). Platinum Equity Capital Partners IV, L.P. ("PECP IV") holds a majority membership interest in PE Greenlight and may be deemed to beneficially own the Issuer securities beneficially owned by PE Greenlight. Platinum Equity Partners IV, L.P. ("PEP IV LP") is the general partner of PECP IV and may be deemed to beneficially own the Issuer securities beneficially owned by PECP IV. Platinum Equity Partners IV, LLC ("PEP IV LLC") is the general partner of PEP IV LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEP IV LP. Platinum Equity Investment Holdings IV, LLC ("PEIH IV") is the sole member of PEP IV LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PEP IV LLC.

F2 · ownership.nature: (Continued from Footnote 1) Platinum Equity Investment Holdings IV Manager, LLC ("PEIH IV Manager") is the sole manager of PEIH IV and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IV. Platinum Equity InvestCo, L.P. ("PEI LP") owns all of the economic interests in PEIH IV and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IV. Platinum Equity Investment Holdings IC (Cayman), LLC ("PEIH IC LLC") is the general partner of PEI LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEI LP. Platinum Equity Investment Holdings, LLC ("PEIH LLC") is the sole member of PEIH IC LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IC LLC. Platinum InvestCo (Cayman), LLC ("PI LLC") holds a controlling interest in PEI LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEI LP.

F3 · ownership.nature: (Continued from Footnote 2) Platinum Equity, LLC ("Platinum Equity") is the sole member of PEIH IV Manager and PEIH LLC and may be deemed to beneficially own the Issuer securities beneficially owned by each of PEIH IV Manager and PEIH LLC. Platinum Equity and Tom Gores, together, hold a controlling interest in PI LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PI LLC. Tom Gores is the Chairman and Chief Executive Officer of Platinum Equity and may be deemed to beneficially own the Issuer securities beneficially owned by Platinum Equity. Mr. Gores disclaims beneficial ownership of all Issuer securities beneficially owned by each of the foregoing entities except to the extent of any pecuniary interest therein.

SEC source: 0000899243-19-011616 · doc4.xml · nonDerivative · entry 1

PLATINUM EQUITY LLC · CIK 0001228754 · Director · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · Director · 10% owner

Gores Tom · CIK 0001471783 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 56,239,744

F1 · kind: On April 30, 2019, PE Greenlight Holdings, LLC ("PE Greenlight") received 2,500,000 shares of the Issuer's Class A common stock, par value $0.0001 per share ("Class A Shares") pursuant to an "earn-out" provision in that certain Agreement and Plan of Merger by and among the Issuer, AM Merger Sub I, Inc., AM Merger Sub II, LLC, Greenlight Holding II Corporation ("Greenlight") and PE Greenlight, in its capacity as the Stockholder Representative (as amended, the "Merger Agreement") related to the Issuer's business combination (the "Business Combination") with Greenlight on October 17, 2018 (the "Closing Date"). The Merger Agreement provided that PE Greenlight would receive additional Class A Shares (any such Class A Shares, the "Earn-Out Shares") as follows:

F2 · kind: (Continued from Footnote 1) (i) a one-time issuance of 2,500,000 Class A Shares if the volume weighted average closing sale price of one Class A Share on Nasdaq for a period of at least 10 days out of 20 consecutive trading days at any time during the five-year period following the Closing Date (the "Average Share Price") is greater than $13.00; (ii) a one-time issuance of 2,500,000 Class A Shares if the Average Share Price is greater than $15.50; (iii) a one-time issuance of 2,500,000 Class A Shares if the Average Share Price is greater than $18.00; and (iv) a one-time issuance of 2,500,000 Class A Shares if the Average Share Price is greater than $20.50.

F3 · kind: (Continued from Footnote 2) PE Greenlight will also be entitled to Earn-Out Shares in the event of certain acceleration events described in greater detail in the Merger Agreement. As a result of the Average Share Price being greater than $13.00, PE Greenlight acquired an additional 2,500,000 Class A Shares pursuant to the Merger Agreement. PE Greenlight's right to receive Earn-Out Shares became fixed and irrevocable on the Closing Date.

F1 · price: On April 30, 2019, PE Greenlight Holdings, LLC ("PE Greenlight") received 2,500,000 shares of the Issuer's Class A common stock, par value $0.0001 per share ("Class A Shares") pursuant to an "earn-out" provision in that certain Agreement and Plan of Merger by and among the Issuer, AM Merger Sub I, Inc., AM Merger Sub II, LLC, Greenlight Holding II Corporation ("Greenlight") and PE Greenlight, in its capacity as the Stockholder Representative (as amended, the "Merger Agreement") related to the Issuer's business combination (the "Business Combination") with Greenlight on October 17, 2018 (the "Closing Date"). The Merger Agreement provided that PE Greenlight would receive additional Class A Shares (any such Class A Shares, the "Earn-Out Shares") as follows:

F2 · price: (Continued from Footnote 1) (i) a one-time issuance of 2,500,000 Class A Shares if the volume weighted average closing sale price of one Class A Share on Nasdaq for a period of at least 10 days out of 20 consecutive trading days at any time during the five-year period following the Closing Date (the "Average Share Price") is greater than $13.00; (ii) a one-time issuance of 2,500,000 Class A Shares if the Average Share Price is greater than $15.50; (iii) a one-time issuance of 2,500,000 Class A Shares if the Average Share Price is greater than $18.00; and (iv) a one-time issuance of 2,500,000 Class A Shares if the Average Share Price is greater than $20.50.

F3 · price: (Continued from Footnote 2) PE Greenlight will also be entitled to Earn-Out Shares in the event of certain acceleration events described in greater detail in the Merger Agreement. As a result of the Average Share Price being greater than $13.00, PE Greenlight acquired an additional 2,500,000 Class A Shares pursuant to the Merger Agreement. PE Greenlight's right to receive Earn-Out Shares became fixed and irrevocable on the Closing Date.

F4 · ownership.nature: Shares held directly by PE Greenlight. Platinum Equity Capital Partners IV, L.P. ("PECP IV") holds a majority membership interest in PE Greenlight and may be deemed to beneficially own the Issuer securities beneficially owned by PE Greenlight. Platinum Equity Partners IV, L.P. ("PEP IV LP") is the general partner of PECP IV and may be deemed to beneficially own the Issuer securities beneficially owned by PECP IV. Platinum Equity Partners IV, LLC ("PEP IV LLC") is the general partner of PEP IV LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEP IV LP. Platinum Equity Investment Holdings IV, LLC ("PEIH IV") is the sole member of PEP IV LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PEP IV LLC.

F5 · ownership.nature: (Continued from Footnote 4) Platinum Equity Investment Holdings IV Manager, LLC ("PEIH IV Manager") is the sole manager of PEIH IV and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IV. Platinum Equity InvestCo, L.P. ("PEI LP") owns all of the economic interests in PEIH IV and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IV. Platinum Equity Investment Holdings IC (Cayman), LLC ("PEIH IC LLC") is the general partner of PEI LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEI LP. Platinum Equity Investment Holdings, LLC ("PEIH LLC") is the sole member of PEIH IC LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IC LLC. Platinum InvestCo (Cayman), LLC ("PI LLC") holds a controlling interest in PEI LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEI LP.

F6 · ownership.nature: (Continued from Footnote 5) Platinum Equity, LLC ("Platinum Equity") is the sole member of PEIH IV Manager and PEIH LLC and may be deemed to beneficially own the Issuer securities beneficially owned by each of PEIH IV Manager and PEIH LLC. Platinum Equity and Tom Gores, together, hold a controlling interest in PI LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PI LLC. Tom Gores is the Chairman and Chief Executive Officer of Platinum Equity and may be deemed to beneficially own the Issuer securities beneficially owned by Platinum Equity. Mr. Gores disclaims beneficial ownership of all Issuer securities beneficially owned by each of the foregoing entities except to the extent of any pecuniary interest therein.

SEC source: 0000899243-19-016287 · doc4a.xml · derivative · entry 3

PLATINUM EQUITY LLC · CIK 0001228754 · Director · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · Director · 10% owner

Gores Tom · CIK 0001471783 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Class A common stock, par value $0.0001 per share · 2,500,000 shares

Expires 2023-10-17

F1 · derivative.exercise_price: On April 30, 2019, PE Greenlight Holdings, LLC ("PE Greenlight") received 2,500,000 shares of the Issuer's Class A common stock, par value $0.0001 per share ("Class A Shares"), in connection with the settlement of the earnout rights described in Table II, which such earnout rights were acquired by PE Greenlight on the Closing Date (as defined below). Pursuant to an "earn-out" provision in that certain Agreement and Plan of Merger by and among the Issuer, AM Merger Sub I, Inc., AM Merger Sub II, LLC, Greenlight Holding II Corporation ("Greenlight") and PE Greenlight, in its capacity as the Stockholder Representative (as amended, the "Merger Agreement") related to the Issuer's business combination with Greenlight on October 17, 2018 (the "Closing Date"),

F2 · derivative.exercise_price: (Continued from Footnote 1) PE Greenlight became irrevocably entitled on the Closing Date to receive a one-time issuance of 2,500,000 Class A Shares (the "Earn-Out Shares") if (i) the volume weighted average closing sale price of one Class A Share on Nasdaq for a period of at least 10 days out of 20 consecutive trading days at any time during the five-year period following the Closing Date (the "Average Share Price") is greater than $13.00 or (ii) upon the occurrence of certain change of control events during the five-year period following the Closing Date, as further described in the Merger Agreement, if any such event results in the holders of Issuer's Class A Shares receiving a per share price equal to or in excess of $13.00 per share. As a result of the Average Share Price being greater than $13.00, on April 30, 2019 PE Greenlight acquired an additional 2,500,000 Class A Shares as required pursuant to the Merger Agreement.

F1 · kind: On April 30, 2019, PE Greenlight Holdings, LLC ("PE Greenlight") received 2,500,000 shares of the Issuer's Class A common stock, par value $0.0001 per share ("Class A Shares"), in connection with the settlement of the earnout rights described in Table II, which such earnout rights were acquired by PE Greenlight on the Closing Date (as defined below). Pursuant to an "earn-out" provision in that certain Agreement and Plan of Merger by and among the Issuer, AM Merger Sub I, Inc., AM Merger Sub II, LLC, Greenlight Holding II Corporation ("Greenlight") and PE Greenlight, in its capacity as the Stockholder Representative (as amended, the "Merger Agreement") related to the Issuer's business combination with Greenlight on October 17, 2018 (the "Closing Date"),

F2 · kind: (Continued from Footnote 1) PE Greenlight became irrevocably entitled on the Closing Date to receive a one-time issuance of 2,500,000 Class A Shares (the "Earn-Out Shares") if (i) the volume weighted average closing sale price of one Class A Share on Nasdaq for a period of at least 10 days out of 20 consecutive trading days at any time during the five-year period following the Closing Date (the "Average Share Price") is greater than $13.00 or (ii) upon the occurrence of certain change of control events during the five-year period following the Closing Date, as further described in the Merger Agreement, if any such event results in the holders of Issuer's Class A Shares receiving a per share price equal to or in excess of $13.00 per share. As a result of the Average Share Price being greater than $13.00, on April 30, 2019 PE Greenlight acquired an additional 2,500,000 Class A Shares as required pursuant to the Merger Agreement.

F3 · kind: Transaction exempt from Section 16(b) of the Securities Exchange Act of 1934 (the "Act") pursuant to Rule 16b-6(b) promulgated under the Act.

F1 · price: On April 30, 2019, PE Greenlight Holdings, LLC ("PE Greenlight") received 2,500,000 shares of the Issuer's Class A common stock, par value $0.0001 per share ("Class A Shares"), in connection with the settlement of the earnout rights described in Table II, which such earnout rights were acquired by PE Greenlight on the Closing Date (as defined below). Pursuant to an "earn-out" provision in that certain Agreement and Plan of Merger by and among the Issuer, AM Merger Sub I, Inc., AM Merger Sub II, LLC, Greenlight Holding II Corporation ("Greenlight") and PE Greenlight, in its capacity as the Stockholder Representative (as amended, the "Merger Agreement") related to the Issuer's business combination with Greenlight on October 17, 2018 (the "Closing Date"),

F2 · price: (Continued from Footnote 1) PE Greenlight became irrevocably entitled on the Closing Date to receive a one-time issuance of 2,500,000 Class A Shares (the "Earn-Out Shares") if (i) the volume weighted average closing sale price of one Class A Share on Nasdaq for a period of at least 10 days out of 20 consecutive trading days at any time during the five-year period following the Closing Date (the "Average Share Price") is greater than $13.00 or (ii) upon the occurrence of certain change of control events during the five-year period following the Closing Date, as further described in the Merger Agreement, if any such event results in the holders of Issuer's Class A Shares receiving a per share price equal to or in excess of $13.00 per share. As a result of the Average Share Price being greater than $13.00, on April 30, 2019 PE Greenlight acquired an additional 2,500,000 Class A Shares as required pursuant to the Merger Agreement.

F1 · derivative.exercise_date: On April 30, 2019, PE Greenlight Holdings, LLC ("PE Greenlight") received 2,500,000 shares of the Issuer's Class A common stock, par value $0.0001 per share ("Class A Shares"), in connection with the settlement of the earnout rights described in Table II, which such earnout rights were acquired by PE Greenlight on the Closing Date (as defined below). Pursuant to an "earn-out" provision in that certain Agreement and Plan of Merger by and among the Issuer, AM Merger Sub I, Inc., AM Merger Sub II, LLC, Greenlight Holding II Corporation ("Greenlight") and PE Greenlight, in its capacity as the Stockholder Representative (as amended, the "Merger Agreement") related to the Issuer's business combination with Greenlight on October 17, 2018 (the "Closing Date"),

F2 · derivative.exercise_date: (Continued from Footnote 1) PE Greenlight became irrevocably entitled on the Closing Date to receive a one-time issuance of 2,500,000 Class A Shares (the "Earn-Out Shares") if (i) the volume weighted average closing sale price of one Class A Share on Nasdaq for a period of at least 10 days out of 20 consecutive trading days at any time during the five-year period following the Closing Date (the "Average Share Price") is greater than $13.00 or (ii) upon the occurrence of certain change of control events during the five-year period following the Closing Date, as further described in the Merger Agreement, if any such event results in the holders of Issuer's Class A Shares receiving a per share price equal to or in excess of $13.00 per share. As a result of the Average Share Price being greater than $13.00, on April 30, 2019 PE Greenlight acquired an additional 2,500,000 Class A Shares as required pursuant to the Merger Agreement.

F4 · ownership.nature: Securities held directly by PE Greenlight. Platinum Equity Capital Partners IV, L.P. ("PECP IV") holds a majority membership interest in PE Greenlight and may be deemed to beneficially own the Issuer securities beneficially owned by PE Greenlight. Platinum Equity Partners IV, L.P. ("PEP IV LP") is the general partner of PECP IV and may be deemed to beneficially own the Issuer securities beneficially owned by PECP IV. Platinum Equity Partners IV, LLC ("PEP IV LLC") is the general partner of PEP IV LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEP IV LP. Platinum Equity Investment Holdings IV, LLC ("PEIH IV") is the sole member of PEP IV LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PEP IV LLC.

F5 · ownership.nature: (Continued from Footnote 4) Platinum Equity Investment Holdings IV Manager, LLC ("PEIH IV Manager") is the sole manager of PEIH IV and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IV. Platinum Equity InvestCo, L.P. ("PEI LP") owns all of the economic interests in PEIH IV and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IV. Platinum Equity Investment Holdings IC (Cayman), LLC ("PEIH IC LLC") is the general partner of PEI LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEI LP. Platinum Equity Investment Holdings, LLC ("PEIH LLC") is the sole member of PEIH IC LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IC LLC. Platinum InvestCo (Cayman), LLC ("PI LLC") holds a controlling interest in PEI LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEI LP.

F6 · ownership.nature: (Continued from Footnote 5) Platinum Equity, LLC ("Platinum Equity") is the sole member of PEIH IV Manager and PEIH LLC and may be deemed to beneficially own the Issuer securities beneficially owned by each of PEIH IV Manager and PEIH LLC. Platinum Equity and Tom Gores, together, hold a controlling interest in PI LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PI LLC. Tom Gores is the Chairman and Chief Executive Officer of Platinum Equity and may be deemed to beneficially own the Issuer securities beneficially owned by Platinum Equity. Mr. Gores disclaims beneficial ownership of all Issuer securities beneficially owned by each of the foregoing entities except to the extent of any pecuniary interest therein.

SEC source: 0000899243-19-016287 · doc4a.xml · nonDerivative · entry 1

PLATINUM EQUITY LLC · CIK 0001228754 · Director · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · Director · 10% owner

Gores Tom · CIK 0001471783 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 56,239,744

F1 · kind: On April 30, 2019, PE Greenlight Holdings, LLC ("PE Greenlight") received 2,500,000 shares of the Issuer's Class A common stock, par value $0.0001 per share ("Class A Shares"), in connection with the settlement of the earnout rights described in Table II, which such earnout rights were acquired by PE Greenlight on the Closing Date (as defined below). Pursuant to an "earn-out" provision in that certain Agreement and Plan of Merger by and among the Issuer, AM Merger Sub I, Inc., AM Merger Sub II, LLC, Greenlight Holding II Corporation ("Greenlight") and PE Greenlight, in its capacity as the Stockholder Representative (as amended, the "Merger Agreement") related to the Issuer's business combination with Greenlight on October 17, 2018 (the "Closing Date"),

F2 · kind: (Continued from Footnote 1) PE Greenlight became irrevocably entitled on the Closing Date to receive a one-time issuance of 2,500,000 Class A Shares (the "Earn-Out Shares") if (i) the volume weighted average closing sale price of one Class A Share on Nasdaq for a period of at least 10 days out of 20 consecutive trading days at any time during the five-year period following the Closing Date (the "Average Share Price") is greater than $13.00 or (ii) upon the occurrence of certain change of control events during the five-year period following the Closing Date, as further described in the Merger Agreement, if any such event results in the holders of Issuer's Class A Shares receiving a per share price equal to or in excess of $13.00 per share. As a result of the Average Share Price being greater than $13.00, on April 30, 2019 PE Greenlight acquired an additional 2,500,000 Class A Shares as required pursuant to the Merger Agreement.

F3 · kind: Transaction exempt from Section 16(b) of the Securities Exchange Act of 1934 (the "Act") pursuant to Rule 16b-6(b) promulgated under the Act.

F1 · price: On April 30, 2019, PE Greenlight Holdings, LLC ("PE Greenlight") received 2,500,000 shares of the Issuer's Class A common stock, par value $0.0001 per share ("Class A Shares"), in connection with the settlement of the earnout rights described in Table II, which such earnout rights were acquired by PE Greenlight on the Closing Date (as defined below). Pursuant to an "earn-out" provision in that certain Agreement and Plan of Merger by and among the Issuer, AM Merger Sub I, Inc., AM Merger Sub II, LLC, Greenlight Holding II Corporation ("Greenlight") and PE Greenlight, in its capacity as the Stockholder Representative (as amended, the "Merger Agreement") related to the Issuer's business combination with Greenlight on October 17, 2018 (the "Closing Date"),

F2 · price: (Continued from Footnote 1) PE Greenlight became irrevocably entitled on the Closing Date to receive a one-time issuance of 2,500,000 Class A Shares (the "Earn-Out Shares") if (i) the volume weighted average closing sale price of one Class A Share on Nasdaq for a period of at least 10 days out of 20 consecutive trading days at any time during the five-year period following the Closing Date (the "Average Share Price") is greater than $13.00 or (ii) upon the occurrence of certain change of control events during the five-year period following the Closing Date, as further described in the Merger Agreement, if any such event results in the holders of Issuer's Class A Shares receiving a per share price equal to or in excess of $13.00 per share. As a result of the Average Share Price being greater than $13.00, on April 30, 2019 PE Greenlight acquired an additional 2,500,000 Class A Shares as required pursuant to the Merger Agreement.

F4 · ownership.nature: Securities held directly by PE Greenlight. Platinum Equity Capital Partners IV, L.P. ("PECP IV") holds a majority membership interest in PE Greenlight and may be deemed to beneficially own the Issuer securities beneficially owned by PE Greenlight. Platinum Equity Partners IV, L.P. ("PEP IV LP") is the general partner of PECP IV and may be deemed to beneficially own the Issuer securities beneficially owned by PECP IV. Platinum Equity Partners IV, LLC ("PEP IV LLC") is the general partner of PEP IV LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEP IV LP. Platinum Equity Investment Holdings IV, LLC ("PEIH IV") is the sole member of PEP IV LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PEP IV LLC.

F5 · ownership.nature: (Continued from Footnote 4) Platinum Equity Investment Holdings IV Manager, LLC ("PEIH IV Manager") is the sole manager of PEIH IV and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IV. Platinum Equity InvestCo, L.P. ("PEI LP") owns all of the economic interests in PEIH IV and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IV. Platinum Equity Investment Holdings IC (Cayman), LLC ("PEIH IC LLC") is the general partner of PEI LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEI LP. Platinum Equity Investment Holdings, LLC ("PEIH LLC") is the sole member of PEIH IC LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IC LLC. Platinum InvestCo (Cayman), LLC ("PI LLC") holds a controlling interest in PEI LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEI LP.

F6 · ownership.nature: (Continued from Footnote 5) Platinum Equity, LLC ("Platinum Equity") is the sole member of PEIH IV Manager and PEIH LLC and may be deemed to beneficially own the Issuer securities beneficially owned by each of PEIH IV Manager and PEIH LLC. Platinum Equity and Tom Gores, together, hold a controlling interest in PI LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PI LLC. Tom Gores is the Chairman and Chief Executive Officer of Platinum Equity and may be deemed to beneficially own the Issuer securities beneficially owned by Platinum Equity. Mr. Gores disclaims beneficial ownership of all Issuer securities beneficially owned by each of the foregoing entities except to the extent of any pecuniary interest therein.

SEC source: 0001209191-19-020131 · doc4.xml · nonDerivative · entry 2

Soter Capital, LLC · CIK 0001703043 · 10% owner

Platinum Equity Investment Holdings IC (Cayman), LLC · CIK 0001756330 · 10% owner

Platinum InvestCo (Cayman), LLC · CIK 0001766567 · 10% owner

Platinum Equity Investment Holdings III Manager, LLC · CIK 0001757175 · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,309,609

F2 · balance_after: Includes 9,800,630 shares issued to Soter Capital, LLC ("Soter) in connection with issuer's emergence from bankruptcy on December 15, 2016 and Soter's participation in the related rights offering.

F3 · balance_after: Soter Capital Holdings, LLC ("SCH") is the sole member of Soter and may be deemed to beneficially own the common stock beneficially owned by Soter. PE Soter Holdings, LLC ("PESH") holds a majority membership interest in SCH and may be deemed to beneficially own the common stock beneficially owned by SCH. Platinum Equity Capital Soter Partners, L.P. ("PECSP") holds a majority membership interest in PESH and may be deemed to beneficially own the common stock beneficially owned by PESH. Platinum Equity Partners III, LLC ("PEP III") is the general partner of PECSP and may be deemed to beneficially own the common stock beneficially owned by PECSP.

F4 · balance_after: (Continued from Footnote 3) Platinum Equity Investment Holdings III, LLC ("PEIH III") is the senior managing member of PEP III and may be deemed to beneficially own the common stock beneficially owned by PEP III. Platinum Equity InvestCo, L.P. ("PEI LP") owns all of the economic interests in PEIH III and may be deemed to beneficially own the common stock beneficially owned by PEIH III. Platinum Equity Investment Holdings IC (Cayman), LLC ("PEIH IC LLC") is the general partner of PEI LP and may be deemed to beneficially own the common stock beneficially owned by PEI LP. Platinum InvestCo (Cayman), LLC ("PIC LLC") holds a controlling interest in PEI LP and may be deemed to beneficially own common stock beneficially owned by PEI LP.

F5 · balance_after: (Continued from Footnote 4) Platinum Equity Investment Holdings, LLC ("PEIH LLC") is the sole member of PEIH IC LLC and may be deemed to beneficially own the common stock beneficially owned by PEIH IC LLC. Platinum Equity Investment Holdings III Manager, LLC ("PEIH III Manager") is the sole manager of PEIH III and may be deemed to beneficially own the common stock beneficially owned by PEIH III. Platinum Equity, LLC ("Platinum Equity") is the sole member of PEIH III Manager and PEIH LLC and may be deemed to beneficially own the common stock beneficially owned by each of PEIH III Manager and PEIH LLC. Platinum Equity and Tom Gores, together, hold a controlling interest in PIC LLC and may be deemed to beneficially own the common stock beneficially owned by PIC LLC.

F6 · balance_after: (Continued from Footnote 5) Tom Gores is the Chairman and Chief Executive Officer of Platinum Equity and may be deemed to beneficially own the common stock beneficially owned by Platinum Equity. Mr. Gores disclaims beneficial ownership of all the shares of common stock held by each of the entities listed above with respect to which he does not have a pecuniary interest.

F7 · balance_after: Includes the 100,000 shares that were purchased on March 14, 2019.

SEC source: 0001209191-19-020131 · doc4.xml · nonDerivative · entry 1

Soter Capital, LLC · CIK 0001703043 · 10% owner

Platinum Equity Investment Holdings IC (Cayman), LLC · CIK 0001756330 · 10% owner

Platinum InvestCo (Cayman), LLC · CIK 0001766567 · 10% owner

Platinum Equity Investment Holdings III Manager, LLC · CIK 0001757175 · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,304,609

F1 · price: The price reported in Column 4 is a weighted average price. The reporting person undertakes to provide KEG, any security holder of KEG, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth above.

F2 · balance_after: Includes 9,800,630 shares issued to Soter Capital, LLC ("Soter) in connection with issuer's emergence from bankruptcy on December 15, 2016 and Soter's participation in the related rights offering.

F3 · balance_after: Soter Capital Holdings, LLC ("SCH") is the sole member of Soter and may be deemed to beneficially own the common stock beneficially owned by Soter. PE Soter Holdings, LLC ("PESH") holds a majority membership interest in SCH and may be deemed to beneficially own the common stock beneficially owned by SCH. Platinum Equity Capital Soter Partners, L.P. ("PECSP") holds a majority membership interest in PESH and may be deemed to beneficially own the common stock beneficially owned by PESH. Platinum Equity Partners III, LLC ("PEP III") is the general partner of PECSP and may be deemed to beneficially own the common stock beneficially owned by PECSP.

F4 · balance_after: (Continued from Footnote 3) Platinum Equity Investment Holdings III, LLC ("PEIH III") is the senior managing member of PEP III and may be deemed to beneficially own the common stock beneficially owned by PEP III. Platinum Equity InvestCo, L.P. ("PEI LP") owns all of the economic interests in PEIH III and may be deemed to beneficially own the common stock beneficially owned by PEIH III. Platinum Equity Investment Holdings IC (Cayman), LLC ("PEIH IC LLC") is the general partner of PEI LP and may be deemed to beneficially own the common stock beneficially owned by PEI LP. Platinum InvestCo (Cayman), LLC ("PIC LLC") holds a controlling interest in PEI LP and may be deemed to beneficially own common stock beneficially owned by PEI LP.

F5 · balance_after: (Continued from Footnote 4) Platinum Equity Investment Holdings, LLC ("PEIH LLC") is the sole member of PEIH IC LLC and may be deemed to beneficially own the common stock beneficially owned by PEIH IC LLC. Platinum Equity Investment Holdings III Manager, LLC ("PEIH III Manager") is the sole manager of PEIH III and may be deemed to beneficially own the common stock beneficially owned by PEIH III. Platinum Equity, LLC ("Platinum Equity") is the sole member of PEIH III Manager and PEIH LLC and may be deemed to beneficially own the common stock beneficially owned by each of PEIH III Manager and PEIH LLC. Platinum Equity and Tom Gores, together, hold a controlling interest in PIC LLC and may be deemed to beneficially own the common stock beneficially owned by PIC LLC.

F6 · balance_after: (Continued from Footnote 5) Tom Gores is the Chairman and Chief Executive Officer of Platinum Equity and may be deemed to beneficially own the common stock beneficially owned by Platinum Equity. Mr. Gores disclaims beneficial ownership of all the shares of common stock held by each of the entities listed above with respect to which he does not have a pecuniary interest.

SEC source: 0001209191-19-019549 · doc4.xml · nonDerivative · entry 2

Soter Capital, LLC · CIK 0001703043 · 10% owner

Platinum Equity Investment Holdings IC (Cayman), LLC · CIK 0001756330 · 10% owner

Platinum InvestCo (Cayman), LLC · CIK 0001766567 · 10% owner

Platinum Equity Investment Holdings III Manager, LLC · CIK 0001757175 · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,204,609

F2 · balance_after: Includes 9,800,630 shares issued to Soter Capital, LLC ("Soter) in connection with issuer's emergence from bankruptcy on December 15, 2016 and Soter's participation in the related rights offering.

F3 · balance_after: Soter Capital Holdings, LLC ("SCH") is the sole member of Soter and may be deemed to beneficially own the common stock beneficially owned by Soter. PE Soter Holdings, LLC ("PESH") holds a majority membership interest in SCH and may be deemed to beneficially own the common stock beneficially owned by SCH. Platinum Equity Capital Soter Partners, L.P. ("PECSP") holds a majority membership interest in PESH and may be deemed to beneficially own the common stock beneficially owned by PESH. Platinum Equity Partners III, LLC ("PEP III") is the general partner of PECSP and may be deemed to beneficially own the common stock beneficially owned by PECSP.

F4 · balance_after: (Continued from Footnote 3) Platinum Equity Investment Holdings III, LLC ("PEIH III") is the senior managing member of PEP III and may be deemed to beneficially own the common stock beneficially owned by PEP III. Platinum Equity InvestCo, L.P. ("PEI LP") owns all of the economic interests in PEIH III and may be deemed to beneficially own the common stock beneficially owned by PEIH III. Platinum Equity Investment Holdings IC (Cayman), LLC ("PEIH IC LLC") is the general partner of PEI LP and may be deemed to beneficially own the common stock beneficially owned by PEI LP. Platinum InvestCo (Cayman), LLC ("PIC LLC") holds a controlling interest in PEI LP and may be deemed to beneficially own common stock beneficially owned by PEI LP.

F5 · balance_after: (Continued from Footnote 4) Platinum Equity Investment Holdings, LLC ("PEIH LLC") is the sole member of PEIH IC LLC and may be deemed to beneficially own the common stock beneficially owned by PEIH IC LLC. Platinum Equity Investment Holdings III Manager, LLC ("PEIH III Manager") is the sole manager of PEIH III and may be deemed to beneficially own the common stock beneficially owned by PEIH III. Platinum Equity, LLC ("Platinum Equity") is the sole member of PEIH III Manager and PEIH LLC and may be deemed to beneficially own the common stock beneficially owned by each of PEIH III Manager and PEIH LLC. Platinum Equity and Tom Gores, together, hold a controlling interest in PIC LLC and may be deemed to beneficially own the common stock beneficially owned by PIC LLC.

F6 · balance_after: (Continued from Footnote 5) Tom Gores is the Chairman and Chief Executive Officer of Platinum Equity and may be deemed to beneficially own the common stock beneficially owned by Platinum Equity. Mr. Gores disclaims beneficial ownership of all the shares of common stock held by each of the entities listed above with respect to which he does not have a pecuniary interest.

F7 · balance_after: Includes the 125,000 shares that were purchased on March 12, 2019.

SEC source: 0001209191-19-019549 · doc4.xml · nonDerivative · entry 1

Soter Capital, LLC · CIK 0001703043 · 10% owner

Platinum Equity Investment Holdings IC (Cayman), LLC · CIK 0001756330 · 10% owner

Platinum InvestCo (Cayman), LLC · CIK 0001766567 · 10% owner

Platinum Equity Investment Holdings III Manager, LLC · CIK 0001757175 · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,201,496

F1 · price: The price reported in Column 4 is a weighted average price. The reporting person undertakes to provide KEG, any security holder of KEG, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth above.

F2 · balance_after: Includes 9,800,630 shares issued to Soter Capital, LLC ("Soter) in connection with issuer's emergence from bankruptcy on December 15, 2016 and Soter's participation in the related rights offering.

F3 · balance_after: Soter Capital Holdings, LLC ("SCH") is the sole member of Soter and may be deemed to beneficially own the common stock beneficially owned by Soter. PE Soter Holdings, LLC ("PESH") holds a majority membership interest in SCH and may be deemed to beneficially own the common stock beneficially owned by SCH. Platinum Equity Capital Soter Partners, L.P. ("PECSP") holds a majority membership interest in PESH and may be deemed to beneficially own the common stock beneficially owned by PESH. Platinum Equity Partners III, LLC ("PEP III") is the general partner of PECSP and may be deemed to beneficially own the common stock beneficially owned by PECSP.

F4 · balance_after: (Continued from Footnote 3) Platinum Equity Investment Holdings III, LLC ("PEIH III") is the senior managing member of PEP III and may be deemed to beneficially own the common stock beneficially owned by PEP III. Platinum Equity InvestCo, L.P. ("PEI LP") owns all of the economic interests in PEIH III and may be deemed to beneficially own the common stock beneficially owned by PEIH III. Platinum Equity Investment Holdings IC (Cayman), LLC ("PEIH IC LLC") is the general partner of PEI LP and may be deemed to beneficially own the common stock beneficially owned by PEI LP. Platinum InvestCo (Cayman), LLC ("PIC LLC") holds a controlling interest in PEI LP and may be deemed to beneficially own common stock beneficially owned by PEI LP.

F5 · balance_after: (Continued from Footnote 4) Platinum Equity Investment Holdings, LLC ("PEIH LLC") is the sole member of PEIH IC LLC and may be deemed to beneficially own the common stock beneficially owned by PEIH IC LLC. Platinum Equity Investment Holdings III Manager, LLC ("PEIH III Manager") is the sole manager of PEIH III and may be deemed to beneficially own the common stock beneficially owned by PEIH III. Platinum Equity, LLC ("Platinum Equity") is the sole member of PEIH III Manager and PEIH LLC and may be deemed to beneficially own the common stock beneficially owned by each of PEIH III Manager and PEIH LLC. Platinum Equity and Tom Gores, together, hold a controlling interest in PIC LLC and may be deemed to beneficially own the common stock beneficially owned by PIC LLC.

F6 · balance_after: (Continued from Footnote 5) Tom Gores is the Chairman and Chief Executive Officer of Platinum Equity and may be deemed to beneficially own the common stock beneficially owned by Platinum Equity. Mr. Gores disclaims beneficial ownership of all the shares of common stock held by each of the entities listed above with respect to which he does not have a pecuniary interest.

SEC source: 0000899243-18-027562 · doc4a.xml · derivative · entry 3

PLATINUM EQUITY LLC · CIK 0001228754 · Director · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · Director · 10% owner

Gores Tom · CIK 0001471783 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A common stock, par value $0.0001 per share · 1,893,798 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Pursuant to the Amended and Restated Certificate of Incorporation of the Issuer, shares of Class F common stock, par value $0.0001 per share ("Class F Shares"), have no expiration date and (i) are convertible into shares of Class A common stock, par value $0.0001 per share ("Class A Shares"), of the Issuer at any time at the option of the holder on a one-for-one basis and (ii) will automatically convert into Class A Shares at the time of the Issuer's initial business combination on a one-for-one basis, in each case, subject to adjustment. The Class F Shares were automatically converted to Class A Shares on a one-for-one basis in connection with the Issuer's initial business combination on October 17, 2018, which is described in footnote (3).

F1 · price: Pursuant to the Amended and Restated Certificate of Incorporation of the Issuer, shares of Class F common stock, par value $0.0001 per share ("Class F Shares"), have no expiration date and (i) are convertible into shares of Class A common stock, par value $0.0001 per share ("Class A Shares"), of the Issuer at any time at the option of the holder on a one-for-one basis and (ii) will automatically convert into Class A Shares at the time of the Issuer's initial business combination on a one-for-one basis, in each case, subject to adjustment. The Class F Shares were automatically converted to Class A Shares on a one-for-one basis in connection with the Issuer's initial business combination on October 17, 2018, which is described in footnote (3).

F1 · derivative.exercise_date: Pursuant to the Amended and Restated Certificate of Incorporation of the Issuer, shares of Class F common stock, par value $0.0001 per share ("Class F Shares"), have no expiration date and (i) are convertible into shares of Class A common stock, par value $0.0001 per share ("Class A Shares"), of the Issuer at any time at the option of the holder on a one-for-one basis and (ii) will automatically convert into Class A Shares at the time of the Issuer's initial business combination on a one-for-one basis, in each case, subject to adjustment. The Class F Shares were automatically converted to Class A Shares on a one-for-one basis in connection with the Issuer's initial business combination on October 17, 2018, which is described in footnote (3).

F1 · derivative.expiration_date: Pursuant to the Amended and Restated Certificate of Incorporation of the Issuer, shares of Class F common stock, par value $0.0001 per share ("Class F Shares"), have no expiration date and (i) are convertible into shares of Class A common stock, par value $0.0001 per share ("Class A Shares"), of the Issuer at any time at the option of the holder on a one-for-one basis and (ii) will automatically convert into Class A Shares at the time of the Issuer's initial business combination on a one-for-one basis, in each case, subject to adjustment. The Class F Shares were automatically converted to Class A Shares on a one-for-one basis in connection with the Issuer's initial business combination on October 17, 2018, which is described in footnote (3).

F1 · derivative.underlying_shares: Pursuant to the Amended and Restated Certificate of Incorporation of the Issuer, shares of Class F common stock, par value $0.0001 per share ("Class F Shares"), have no expiration date and (i) are convertible into shares of Class A common stock, par value $0.0001 per share ("Class A Shares"), of the Issuer at any time at the option of the holder on a one-for-one basis and (ii) will automatically convert into Class A Shares at the time of the Issuer's initial business combination on a one-for-one basis, in each case, subject to adjustment. The Class F Shares were automatically converted to Class A Shares on a one-for-one basis in connection with the Issuer's initial business combination on October 17, 2018, which is described in footnote (3).

F2 · ownership.direct: Tom Gores is the Chairman and Chief Executive Officer of Platinum Equity, LLC ("Platinum Equity") and may be deemed to beneficially own the Issuer securities beneficially owned by Platinum Equity. Mr. Gores disclaims beneficial ownership of all Issuer securities beneficially owned by Platinum Equity except to the extent of any pecuniary interest therein.

SEC source: 0000899243-18-027562 · doc4a.xml · nonDerivative · entry 2

PLATINUM EQUITY LLC · CIK 0001228754 · Director · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · Director · 10% owner

Gores Tom · CIK 0001471783 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 53,739,744

F3 · price: Class A Shares were acquired on October 17, 2018 pursuant to that certain Agreement and Plan of Merger by and among the Issuer, AM Merger Sub I, Inc., AM Merger Sub II, LLC, Greenlight Holding II Corporation ("Greenlight") and PE Greenlight Holdings, LLC ("PE Greenlight"), in its capacity as the Stockholder Representative (as amended, the "Merger Agreement") in exchange for PE Greenlight's ownership interest in the acquired business. Pursuant to the Merger Agreement, each share of Class A Stock was valued at $10.00 for purposes of determining the number of shares payable to the stockholders of the acquired business in respect of their ownership interests therein.

F4 · ownership.nature: Shares held directly by PE Greenlight. Platinum Equity Capital Partners IV, L.P. ("PECP IV") holds a majority membership interest in PE Greenlight and may be deemed to beneficially own the Issuer securities beneficially owned by PE Greenlight. Platinum Equity Partners IV, L.P. ("PEP IV LP") is the general partner of PECP IV and may be deemed to beneficially own the Issuer securities beneficially owned by PECP IV. Platinum Equity Partners IV, LLC ("PEP IV LLC") is the general partner of PEP IV LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEP IV LP. Platinum Equity Investment Holdings IV, LLC ("PEIH IV") is the sole member of PEP IV LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PEP IV LLC.

F5 · ownership.nature: (Continued from Footnote 4) Platinum Equity Investment Holdings IV Manager, LLC ("PEIH IV Manager") is the sole manager of PEIH IV and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IV. Platinum Equity InvestCo, L.P. ("PEI LP") owns all of the economic interests in PEIH IV and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IV. Platinum Equity Investment Holdings IC (Cayman), LLC ("PEIH IC LLC") is the general partner of PEI LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEI LP. Platinum InvestCo, LLC ("PI LLC") holds a controlling interest in PEI LP and may be deemed to beneficially own the Issuer securities beneficially owned by PEI LP. Platinum Equity Investment Holdings, LLC ("PEIH LLC") is the sole member of PEIH IC LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PEIH IC LLC.

F6 · ownership.nature: (Continued from Footnote 5) Platinum Equity is the sole member of PEIH IV Manager and PEIH LLC and may be deemed to beneficially own the Issuer securities beneficially owned by each of PEIH IV Manager and PEIH LLC. Platinum Equity and Tom Gores, together, hold a controlling interest in PI LLC and may be deemed to beneficially own the Issuer securities beneficially owned by PI LLC. Tom Gores is the Chairman and Chief Executive Officer of Platinum Equity and may be deemed to beneficially own the Issuer securities beneficially owned by Platinum Equity. Mr. Gores disclaims beneficial ownership of all Issuer securities beneficially owned by each of the foregoing entities except to the extent of any pecuniary interest therein.

SEC source: 0000899243-18-027562 · doc4a.xml · nonDerivative · entry 1

PLATINUM EQUITY LLC · CIK 0001228754 · Director · 10% owner

Platinum Equity Investment Holdings, LLC · CIK 0001634372 · Director · 10% owner

Gores Tom · CIK 0001471783 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,540,344

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Pursuant to the Amended and Restated Certificate of Incorporation of the Issuer, shares of Class F common stock, par value $0.0001 per share ("Class F Shares"), have no expiration date and (i) are convertible into shares of Class A common stock, par value $0.0001 per share ("Class A Shares"), of the Issuer at any time at the option of the holder on a one-for-one basis and (ii) will automatically convert into Class A Shares at the time of the Issuer's initial business combination on a one-for-one basis, in each case, subject to adjustment. The Class F Shares were automatically converted to Class A Shares on a one-for-one basis in connection with the Issuer's initial business combination on October 17, 2018, which is described in footnote (3).

F2 · ownership.direct: Tom Gores is the Chairman and Chief Executive Officer of Platinum Equity, LLC ("Platinum Equity") and may be deemed to beneficially own the Issuer securities beneficially owned by Platinum Equity. Mr. Gores disclaims beneficial ownership of all Issuer securities beneficially owned by Platinum Equity except to the extent of any pecuniary interest therein.