Custom Truck One Source, Inc. — Director's Dealing 2020

Jun 15, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: NESCO HOLDINGS, INC. (NSCO)
CIK: 0001709682
Period of Report: 2020-06-11

Reporting Person: ECP ControlCo, LLC (10% Owner)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-06-11	Restricted Stock Unit	$	J	60000	Acquired		Common Stock (60000)	Indirect
2020-06-11	Stock Option	$4.00	J	80000	Acquired	2030-06-11	Common Stock (80000)	Indirect

Footnotes

F1: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

F2: Represents securities held directly by Energy Capital Partners Management, LP ("ECP Management"). Each of Jennifer Gray, Rahman D'Argenio, Matthew Himler and Douglas Kimmelman have entered into an agreement with ECP Management pursuant to which each of the foregoing individuals has irrevocably assigned any and all compensation, including the equity awards reported herein, that he or she may receive from serving as a director of the Issuer to ECP Management.

F3: The award will vest in three equal, annual installments beginning on June 11, 2021.

F4: ECP ControlCo, LLC ("ECP ControlCo") is the sole member of ECP Management GP, LLC, which is the general partner of ECP Management. As a result, each of the foregoing entities may be deemed to share beneficial ownership of the securities held by ECP Management. The managing members of ECP ControlCo are Douglas Kimmelman, Andrew Singer, Peter Labbat, Tyler Reeder and Rahman D'Argenio all of whom collectively share the power to vote and dispose of the securities beneficially owned by ECP ControlCo. Each such individual disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.