Document:

Exhibit 10.5

 

 

 

 

 

 

AMENDED
AND RESTATED STOCKHOLDERS’ AGREEMENT

 

 

of

 

 

CUSTOM TRUCK ONE SOURCE, INC.

 

 

Dated as of April 1, 2021

 

 

 

 

 

 

 

     

     

    

 

TABLE OF CONTENTS

 

	ARTICLE I CORPORATE GOVERNANCE	2
	 	 	 
	Section 1.1	Board of Directors Composition	2
	Section 1.2	Committees; Subsidiary Boards	6
	Section 1.3	Operating Council	7
	Section 1.4	Board Quorum and Action by Written Consent	8
	Section 1.5	Special Meetings of the Board	8
	Section 1.6	Actions Requiring Disinterested Director Approval	8
	Section 1.7	Actions Requiring Platinum Approval	8 
	Section 1.8	Controlled Company	10
	Section 1.9	Special Meetings of Stockholders	10
	Section 1.10	Stockholder Action by Written Consent	10
	Section 1.11	Stock Exchange Listing	10
	 	 	 
	ARTICLE II EARNOUT SHARES	10
	 	 	 
	Section 2.1	Sponsor Earnout Shares	10
	Section 2.2	NESCO Holder Earnout Shares	13
	 	 	 
	ARTICLE III OTHER TRANSFER RESTRICTIONS, DRAG-ALONG	14
	 	 	 
	Section 3.1	Restrictions on Transfer of Common Stock	14
	Section 3.2	Certain Change in Control Transactions	16
	Section 3.3	Drag-Along Rights	16
	 	 	 
	ARTICLE IV REGISTRATION RIGHTS	18
	 	 	 
	Section 4.1	Demand Registrations	18
	Section 4.2	Piggyback Registrations	23
	Section 4.3	Holdback Agreements	23
	Section 4.4	Registration Procedures	24
	Section 4.5	Registration Expenses	28
	Section 4.6	Indemnification and Contribution	29
	Section 4.7	Underwritten Offerings	32
	Section 4.8	Additional Parties; Joinder	32
	Section 4.9	Current Public Information	32
	Section 4.10	Subsidiary Public Offering	32
	 	 	 
	ARTICLE V MISCELLANEOUS, DEFINITIONS	33
	 	 	 
	Section 5.1	Assignment; Benefit of Parties	33
	Section 5.2	Remedies	33
	Section 5.3	Notices	34
	Section 5.4	Adjustments	36
	Section 5.5	No Strict Construction	36

 

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	Section 5.6	Further Assurances	36
	Section 5.7	Counterparts	36
	Section 5.8	Governing Law	36
	Section 5.9	Jurisdiction; WAIVER OF TRIAL BY JURY	37
	Section 5.10	Indemnification	37
	Section 5.11	Entire Agreement	38
	Section 5.12	Severability	38
	Section 5.13	Amendment and Waiver	38
	Section 5.14	Termination	39
	Section 5.15	Enforcement	39
	Section 5.16	Definitions	39

 

EXHIBITS AND SCHEDULES

 

	Exhibit A	Sponsor Earnout Shares
	Exhibit B	Registration Rights Joinder
	Schedule 1	Management Holders

 

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AMENDED AND RESTATED STOCKHOLDERS’ AGREEMENT

 

This AMENDED AND RESTATED
STOCKHOLDERS’ AGREEMENT (this “Agreement”), dated as of April 1, 2021 (the “Effective Time”),
is entered into by and among (i) Custom Truck One Source, Inc., a Delaware corporation f/k/a Nesco Holdings, Inc. (the “Company”);
(ii) NESCO Holdings, LP, a Delaware limited partnership (the “NESCO Holder”); (iii) Energy Capital Partners III,
LP, a Delaware limited partnership, Energy Capital Partners III-A, LP, a Delaware limited partnership, Energy Capital Partners III-B,
LP, a Delaware limited partnership, Energy Capital Partners III-C, LP, a Delaware limited partnership, Energy Capital Partners III-D,
LP, a Delaware limited partnership, and Energy Capital Partners III (NESCO Co-Invest), LP, a Delaware limited partnership (collectively,
together with the NESCO Holder, “ECP”); (iv) Capitol Acquisition Management IV LLC, a Delaware limited liability company,
Capitol Acquisition Founder IV LLC, a Delaware limited liability company, and the other Persons included on the signature pages hereto
as “Sponsors” (collectively, the “Sponsors”); (v) PE One Source Holdings, LLC, a Delaware limited liability
company (“Platinum”); (vi) BCP CTOS Holdings L.P., a Delaware limited partnership, BEP CTOS Holdings L.P., a Delaware
limited partnership, Blackstone Energy Partners NQ L.P., a Delaware limited partnership, Blackstone Energy Management Associates NQ L.L.C.,
a Delaware limited liability company, Blackstone Energy Family Investment Partnership SMD L.P., a Delaware limited partnership, Blackstone
Energy Family Investment Partnership NQ ESC L.P., a Delaware limited partnership, Blackstone Capital Partners VI-NQ L.P., a Delaware limited
partnership, Blackstone Management Associates VI-NQ L.L.C., a Delaware limited liability company, and Blackstone Family Investment Partnership
VI-NQ ESC L.P., a Delaware limited partnership (collectively, “Blackstone”); and (vii) the stockholders whose names
are set forth on Schedule 1 (each a “Management Holder” and collectively the “Management Holders”).
Each of the Company, the NESCO Holder, ECP, the Sponsors, Platinum, Blackstone and the Management Holders may be referred to herein as
a “Party” and collectively as the “Parties”. Except as otherwise indicated, capitalized terms used
but not defined herein shall have the meanings set forth in Section 5.16.

 

RECITALS

 

WHEREAS, in connection
with the closing of the transactions contemplated by that certain Agreement and Plan of Merger, dated as of April 7, 2019, among the Company,
the NESCO Holder and the other parties thereto (as amended or modified, the “Merger Agreement”), the NESCO Holder,
ECP, the Sponsors and certain other parties entered into (x) that certain Stockholders’ Agreement with respect to the Company, dated
July 31, 2019 and (y) that certain Registration Rights Agreement, dated July 31, 2019 (the “Prior Agreements”);

 

WHEREAS, as of the
date hereof, Platinum has purchased common stock of the Company, par value $0.0001 per share (the “Common Stock”),
to facilitate the acquisition by the Company of Custom Truck One Source, L.P. (“CTOS”), an entity controlled by affiliates
of Blackstone and by the Management Holders, which acquisition closed on the date hereof and as part of which Blackstone and the Management
Holders have agreed to exchange certain of their Equity Interests in CTOS for Common Stock; and

 

WHEREAS, in connection
with the transactions described in the foregoing WHEREAS clause, the parties to the Prior Agreements desire to amend and restate the Prior
Agreements by entering into this Agreement, and the other Parties desire to enter into this Agreement, in each case, to govern certain
of their rights, duties and obligations with respect to their ownership of Common Stock and the other matters set forth herein.

 

     

     

    

 

NOW, THEREFORE, in
consideration of the mutual covenants contained herein and other good and valuable consideration, the receipt and sufficiency of which
are hereby acknowledged, the Parties hereby agree as follows:

 

ARTICLE
I

CORPORATE GOVERNANCE

 

Section 1.1 Board of Directors
Composition.

 

(a) The
Company shall take all necessary and desirable actions such that (i) the size of the Board shall be set at eleven (11) members, each of
whom shall have one Vote, provided that such number and Vote are subject to Section 1.1(b)(i) and Section 1.1(b)(ii), and
(ii) the following Persons shall form the composition of the Board: (A) David Glatt, Paul Bader, Rahman D’Argenio and Mark Ein shall
be appointed as Class A Directors with terms ending at the Company’s 2023 Annual Meeting; (B) Marshall Heinberg, Louis Samson and
David Wolf shall be appointed as Class B Directors with terms ending at the Company’s 2021 Annual Meeting; and (C) Bryan Kelln,
Georgia Nelson, John-Paul (JP) Munfa and Fred Ross shall be appointed as Class C Directors with terms ending at the Company’s 2022
Annual Meeting.

 

(b) The
following Parties shall have the right to nominate the following Directors (each, a “Nominee”):

 

(i) For
so long as Platinum (together with its Affiliates) meets the Platinum Director Nomination Threshold, Platinum shall have the option and
right (but not the obligation) to designate, in the aggregate (and less the number of Platinum Directors who are not up for election)
(y) four (4) Directors, each of whom shall be nominated by the Company and have two (2) Votes; plus (z) three (3) Directors
who shall be nominated by the Company and the minimum number of whom shall qualify as “independent” solely to the extent necessary
to comply with the listing standards of the Approved Stock Exchange. For so long as Platinum (together with its Affiliates) meets the
Platinum Ownership Threshold but not the Platinum Director Nomination Threshold, Platinum shall have the option and right (but not the
obligation) to designate any number of Directors described in the immediately preceding sentence, having one (1) or two (2) Votes each,
so long as the total number of Votes of all such designees does not exceed the difference of the total number of Votes constituting a
majority of all Votes of all Directors minus one (1). For so long as Platinum does not meet the Platinum Ownership Threshold but (together
with its Affiliates) Beneficially Owns a number of shares of Common Stock (i) equal to or greater than four and one half percent (4.5%)
of the total number of shares of Common Stock issued and outstanding (on a Non-Fully Diluted Basis), Platinum shall have the option and
right (but not the obligation) to designate one (1) Director (less the number of Platinum Directors who are not up for election) who shall
be nominated by the Company, and (ii)(A) equal to or greater than 15% of the total number of shares of Common Stock issued and outstanding
and (B) greater than the number of shares of Common Stock owned by any other Person or group of Affiliated Persons (in each of cases (A)
and (B) of this sentence, on a Non-Fully Diluted Basis), Platinum shall have the right to designate the Chairperson from among the Directors.

 

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(ii) For
so long as Platinum (together with its Affiliates) meets the Platinum Ownership Threshold, in addition to the Directors it designated
and the Company nominated pursuant to the first sentence of Section 1.1(b)(i), Platinum shall have the right to designate up to
two (2) additional Directors, each of whom shall be nominated by the Company. If Platinum designates one (1) or two (2) additional Directors
pursuant to the provisions of this Section 1.1(b)(ii), (i) each Director designated and nominated pursuant to this Section
1.1(b)(ii) and Section 1.1(b)(i)(y) shall have a number of Votes that is equal to a fraction the denominator of which is the
actual number of Directors serving on the Board at the time such Vote is cast that were nominated pursuant to this Section 1.1(b)(ii)
and Section 1.1(b)(i)(y) and the numerator of which is eight (8) and (ii) the Company shall take all necessary and desirable
actions such that the size of the Board shall be expanded solely to accommodate the Directors designated and nominated pursuant to this
Section 1.1(b)(ii) and to appoint such Director to a directorship class of Platinum’s choice.

 

(iii) Notwithstanding
anything to the contrary contained in this Agreement, if and so long as Platinum (together with its Affiliates) meets the Platinum Director
Nomination Threshold and subject to, in addition to and without limiting any and all nomination rights of Platinum and appearance, voting
and consent commitments contained in this Agreement, including without limitation as set forth in Section 1.1(d), nothing in this
Agreement or the Bylaws shall be deemed to limit (A) the right of Platinum to nominate additional Directors for election to the Board
through any and all means not in violation of the Bylaws and to solicit stockholders outside of the Company’s proxy statement applicable
to such election, nor (B) the right or ability of the Company to include such additional nominees as the Company’s nominees in its
proxy statement applicable to such election and otherwise solicit stockholders to vote in favor of such additional nominees of Platinum,
including taking all actions in support thereof; provided however that Platinum shall not nominate any such additional Director pursuant
to clause (A) above where such nomination or Platinum’s solicitation in connection therewith would be intended or solicited to fill
any position on the Board that is reserved for a nomination pursuant to Section 1.1(b)(iv) through (vi) hereof.

 

(iv) For
so long as Blackstone (together with its Affiliates) Beneficially Owns a number of shares of Common Stock equal to or greater than four
and one half percent (4.5%) of the total number of shares of Common Stock issued and outstanding (on a Non-Fully Diluted Basis), Blackstone
shall have the right to nominate one (1) Director (if the Blackstone Director is up for election).

 

(v) For
so long as ECP (together with their respective Affiliates) Beneficially Own, in the aggregate, a number of shares of Common Stock equal
to or greater than four and one half percent (4.5%) of the total number of shares of Common Stock issued and outstanding (on a Non-Fully
Diluted Basis, ECP shall have the right to nominate one (1) Director (if the ECP Director is up for election).

 

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(vi) For
so long as Capitol (together with its Affiliates) Beneficially Owns a number of shares of Common Stock equal to 50% or more of the shares
of Common Stock owned by Capitol and its Affiliates as of the Effective Time (which number of shares of Common Stock shall include, for
the avoidance of doubt, any shares of Common Stock acquired on the date of this Agreement), Capitol shall have the right (A) to nominate
either Mark Ein or Dyson Dryden as a Director (if the Capitol Director is up for election) and (B) to have Dyson Dryden (if Capitol nominated
Mark Ein as a Director pursuant to clause (A) of this sentence) or Mark Ein (if Capitol nominated Dyson Dryden as a Director pursuant
to clause (A) of this sentence) as a non-voting observer to the Board and the Company shall furnish to such observer at the same time
provided to the Directors (x) notices of all Board meetings, (y) copies of the materials with respect to all meetings of the Board (or
any committees thereof) or otherwise provided to the Directors, and (z) copies of any action by written consent by the Board and copies
of such consent promptly after it shall have been signed by the Directors; provided, however, that the Company may redact
from the information furnished under clauses (x) through (z) of this sentence any information the Company is prohibited from providing
under applicable Law or that the Company reasonably determines may not be provided to protect attorney-client privilege.

 

In addition, the Parties agree
that the Company’s Chief Executive Officer shall be nominated as a Director. The Parties agree and acknowledge that the percentages
referenced above are measures that are used solely for purposes of this Agreement and are not intended to establish or be equal to any
ownership percentage calculated and reported under Regulation 13D-G promulgated by the SEC or under any other provision of federal or
state securities Laws.

 

(c) The
Company shall (i) include each of the Nominees up for election in its proxy statement and proxy card as director nominees of the Board,
not include any nominee in replacement of a Nominee without the prior written consent of the Stockholder that designated such Nominee,
which consent may be withheld for any reason, (ii) recommend the election of the Nominees up for election to the stockholders of the Company
and (iii) solicit proxies in favor of the election of the Nominees up for election (the foregoing clauses (i) through (iii), the “Election
Support Efforts”); provided, however, if any Election Support Efforts are not permitted by the applicable rules
and regulations of the Approved Stock Exchange or applicable Law, then the Company shall comply with its obligation under this Agreement
to the fullest extent so permitted by the applicable rules and regulations of the Approved Stock Exchange or applicable Law; and provided,
further, that nothing in this Agreement or the Company’s Bylaws shall be deemed to limit the right or ability of the Company
to nominate as the Company’s nominees (rather than as Platinum’s Nominees) any Platinum Nominees.

 

(d) Each
Stockholder shall, or shall cause its representatives to, appear in person or by proxy at each annual or special meeting of stockholders
of the Company at which Directors are to be elected and vote, or act by written consent with respect to, all Voting Securities beneficially
owned by it, to cause the Nominees of the other Stockholders to be elected to the Board, whether such Nominees have been nominated by
the Board pursuant to Section 1.1(b) or by the relevant Stockholder in accordance with the Bylaws. No Stockholder shall take any
action that would reasonably be likely to prevent the election of another Stockholder’s Nominee. Upon the written request of a Stockholder,
each other Stockholder shall vote, or act by written consent with respect to, all Voting Securities beneficially owned by it, and otherwise
take or cause to be taken all actions within its control necessary, to remove any Director designated by such requesting Stockholder and
to elect any replacement Director designated as provided in this Section 1.1. Except as set forth in the immediately preceding
sentence, neither the Company nor any Stockholder shall take any action to cause the removal of any Directors designated by another Stockholder
in accordance with this Section 1.1.

 

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(e) In
the event that a vacancy is created at any time by the death, disability, retirement, resignation or removal (with or without cause) of
any Director nominated pursuant to this Section 1.1, the remaining Directors and the Company shall, to the extent the applicable
Stockholder is entitled to nominate a Director for such position pursuant to Section 1.1(b), to the fullest extent permitted by
applicable Law, cause the vacancy created thereby to be filled by a new nominee of the Stockholder that designated such Director as soon
as possible, and the Company and the Stockholders hereby agree to take, to the fullest extent permitted by applicable Law, at any time
and from time to time, all actions necessary to accomplish the same, it being understood that any such successor designee shall serve
the remainder of the term of the Director whom such designee replaces.

 

(f) If
a Nominee is not elected because of such Nominee’s death, disability, retirement, withdrawal as a nominee or for any other reason,
the Stockholder that nominated such Nominee in accordance with this this Section 1.1 shall, to the extent the applicable Stockholder
is entitled to nominate a Director for such position pursuant to Section 1.1(b), be entitled to designate promptly another Nominee
and each other Stockholder and the Company shall take all necessary and desirable actions within its control such that the Director position
for which such Nominee was nominated shall not be filled pending such designation or the size of the Board shall be increased by one (1)
and such vacancy shall be filled with such successor Nominee within ten (10) days of such designation. Notwithstanding anything to the
contrary, the Director position for which such Nominee was nominated shall not be filled pending such designation and appointment, unless
the Stockholder that nominated such Nominee in accordance with this Section 1.1 fails to designate such Nominee for more than 30
days, after which the Company may appoint an interim successor nominee who may serve as a Director if duly elected or appointed until
the Stockholder that nominated such Nominee in accordance with this Section 1.1 makes such designation. No Stockholder shall be
obligated to designate all (or any) of the Directors it is entitled to designate pursuant to this Agreement but the failure to do so shall
not constitute a waiver of its rights hereunder.

 

(g) In
the event that Platinum has nominated less than the total number of Nominees that Platinum would be entitled to nominate pursuant to this
Section 1.1, or in the event that Platinum decides to nominate one (1) or two (2) additional Nominees in accordance with Section
1.1(b)(ii), then Platinum shall have the right, at any time, to nominate such additional Nominee(s) to which it would be entitled,
in which case the Company, the Directors and the other Stockholders shall take all necessary corporate action within their respective
control, to the fullest extent permitted by applicable Law and the rules and regulations of the Approved Stock Exchange, to (x) enable
Platinum to nominate and effect the election or appointment of such additional individuals, whether by increasing the size of the Board
or otherwise, and (y) designate such additional individuals nominated by Platinum to fill such newly created vacancies or to fill any
other existing vacancies.

 

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(h) In
the event that a Stockholder shall cease to have the right to designate a Director pursuant to this Section 1.1, the Nominee of
such Stockholder shall (i) at the request of a majority of the Directors then in office or the Chairperson, resign immediately or such
Stockholder shall take all action necessary to remove such Nominee or (ii) if no such request is made, continue to serve until his or
her term expires at the next annual meeting of stockholders of the Company. In the event such Nominee resigns or is removed at the request
of a majority of the Directors then in office or the Chairperson, the Directors remaining in office shall be entitled to decrease the
size of the Board to eliminate such vacancy and no consent under Section 1.7 shall be required in connection with such decrease.
The Company shall, and the Stockholders agree to take all action necessary to, remove from the Board any Director that has not been nominated
by a Stockholder pursuant to the provisions of this Section 1.1.

 

(i) The
rights of the Stockholders pursuant to this Section 1.1 are personal to the Stockholders and shall not be exercised by any Transferee
other than a Permitted Transferee.

 

(j) Director
Expenses; Insurance.

 

(i) The
Company shall pay the reasonable, documented out-of-pocket expenses incurred by each Director in connection with his or her services provided
to or on behalf of the Company, including attending meetings (including committee meetings) or events attended on behalf of the Company
at the Company’s request.

 

(ii) The
Company shall (A) purchase directors’ and officers’ liability insurance in an amount and pursuant to terms determined by the
Board to be reasonable and customary and (B) for so long as a Director nominated pursuant to the terms of this Agreement serves as a Director,
maintain such coverage with respect to such Director; provided, however, that upon removal or resignation of such Director
for any reason, the Company shall take all actions reasonably necessary to extend such directors’ and officers’ liability
insurance coverage for a period of not less than six (6) years from any such event in respect of any act or omission occurring at or prior
to such event.

 

Section 1.2 Committees;
Subsidiary Boards.

 

(a) Immediately
following the execution of this Agreement, the Board shall disband the Nominating Committee, if any, so that at the Effective Time the
only committees of the Board shall be the Audit Committee and the Compensation Committee.

 

(b) Subject
to Section 1.2(c) and Section 1.2(d), each of Platinum, Blackstone and Capitol, while it has the right to designate at least
one (1) Director to the Board and so designated a Director, shall have the right, but not the obligation, to designate such Director as
a member to either the Compensation Committee or the Audit Committee and ECP, while it has the right to designate at least one (1) Director
to the Board and so designated a Director, shall have the right, but not the obligation, to designate such Director as a member to the
Compensation Committee; provided, however, that Platinum, while it meets the Platinum Ownership Threshold, shall in addition
have the right, but not the obligation, to designate the majority of the members of all committees of the Board (subject to Section
1.2(d)).

 

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(c) While
Platinum meets the Platinum Ownership Threshold, Platinum shall notify each of Blackstone and ECP upon the Board’s formation of
any committee in addition to the Audit Committee and the Compensation Committee from time to time. If either of Blackstone and ECP upon
such notification promptly notifies Platinum of its desire to have the Board appoint its Director designated in accordance with Section
1.1(a) as a member of such additional committee, Platinum shall cause the Platinum Directors to consider in good faith such request;
provided, however, that if such additional committee is a special committee of the Board, the ECP Director, the Capitol
Director and the Blackstone Director shall each have the right to be a member of such committee, in each case, if such Person qualifies
as independent with respect to the matters for which such committee is formed.

 

(d) The
right of any Director to serve on a committee shall be subject to applicable Law and the Company’s obligation, if any, to comply
with any applicable rules of any Approved Stock Exchange.

 

(e) The
Nominees of a Stockholder shall have the right to representation on the board of directors or other similar governing body (or any committee
thereof in the case of the Nominees of Platinum) of any Subsidiary of the Company in proportion to their representation on the Board;
provided, however, that the Nominee of a Stockholder other than Platinum shall have such right to representation only if
and to the extent a Nominee by Platinum is serving on any such board of directors or other similar governing body.

 

Section 1.3 Operating
Council.

 

(a) Immediately
following the execution of this Agreement, the Company shall take all action necessary to form an operating council (the “Operating
Council”). The Operating Council shall be responsible for (i) the day-to-day oversight of the Company’s and its Subsidiaries’
business (but cannot make decisions which would require Board approval), (ii) making recommendations to the Board for Board action and
(iii) recommending the agenda for every Board meeting. The Company may not dissolve the Operating Council while Platinum meets the Platinum
Ownership Threshold without Platinum’s prior written consent.

 

(b) While
Platinum meets the Platinum Ownership Threshold, it shall have the right to nominate all of the members of the Operating Council, which
members may be Directors, officers or employees of the Company or any other Persons selected by Platinum; provided, however,
that such members shall include the Chairperson, the Chief Executive Officer and the Chief Financial Officer of the Company. While any
of Blackstone, Capitol and ECP has the right to designate one (1) Director to the Board and has so designated a Director, it may designate
an observer to the Operating Council and the Operating Council shall furnish to such observer at the same time provided to the Operating
Council (i) notices of all meetings of the Operating Council, and (ii) copies of the materials with respect to all meetings of the Operating
Council.

 

(c) The
Operating Council shall meet monthly in person or by teleconference. The Operating Council shall submit to the Board the report used as
an agenda for such meeting.

 

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Section 1.4 Board Quorum
and Action by Written Consent. While Platinum has the right to nominate at least one (1)
Director to the Board, a quorum of the Board shall require the presence of at least the majority of the Platinum Directors, provided,
however, that if a Board meeting is rescheduled twice (no such Board meeting may be rescheduled within any twenty four (24) hour
period) because the majority of the Platinum Directors is not present at each such Board meeting, the presence of the majority of the
Platinum Directors shall no longer be required to establish a quorum. Any action to be taken by the Board by written consent shall require
the signature of at least the majority of the Platinum Directors.

 

Section 1.5 Special Meetings
of the Board. Special meetings of the Board for any purpose or purposes may be called
at any time by the Chairperson, the Chief Executive Officer or any two (2) Directors.

 

Section 1.6 Actions Requiring
Disinterested Director Approval. At any time after the Effective Time, the Company shall
not, and shall cause its Subsidiaries not to, enter into any transaction with, or involving, any Affiliate of a Stockholder, other than
(a) customary indemnification agreements with Directors and officers of the Company or any Subsidiary of the Company, (b) transactions
permitted by Section 1.7(g) and other customary compensation arrangements with employees of the Company or any of its Subsidiaries
and (c) any transaction or series of related transactions in the ordinary course of business and on arms-length third-party terms and
not involving amounts in excess of $5,000,000 per annum, in each of cases (a), (b) and (c) of this sentence, without the prior approval
of the majority of the Directors not nominated by such Stockholder and that are otherwise disinterested in such transaction.

 

Section 1.7 Actions Requiring
Platinum Approval. At any time after the Effective Time that Platinum meets the Platinum
Ownership Threshold, the Company shall not, and shall cause its Subsidiaries not to, take, cause to occur or permit to occur, as applicable,
or agree to take, cause to occur or permit to occur, as applicable, directly or indirectly, any of the following actions without the
prior written approval of Platinum in its capacity as a stockholder of the Company:

 

(a) enter
into or effect a Change in Control;

 

(b) consummate
any acquisition, whether by purchase, contribution, merger, consolidation or otherwise, of any property, assets or Equity Interests for
consideration in excess of $50,000,000, in a single transaction or series of related transactions;

 

(c) consummate
any disposition, whether by sale, contribution, merger, consolidation or otherwise, of any property, assets or Equity Interests for consideration
in excess of $50,000,000, in a single transaction or series of related transactions;

 

(d) enter
into any joint venture or similar business alliance having a fair market value as of the date of formation thereof in excess of $50,000,000;

 

(e) initiate
a voluntary liquidation, dissolution, receivership, bankruptcy or other insolvency proceeding involving the Company or any Subsidiary
of the Company that is a “significant subsidiary” as defined in Rule 1-02 of Regulation S-X under the Exchange Act;

 

(f) make
any material change in the nature of the business of the Company and its Subsidiaries, taken as a whole;

 

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(g) repurchase,
redeem, acquire or otherwise purchase any Equity Interests of the Company or any Subsidiary of the Company other than (i) in the open
market pursuant to a share repurchase plan, (ii) in accordance with any existing compensation plan of the Company or any Subsidiary
of the Company or (iii) from an employee in connection with such employee’s termination of employment with the Company or any Subsidiary
of the Company, in each of cases (i), (ii) and (iii), that was approved by the Board;

 

(h) declare
dividends on, or reclassify Equity Interests or securities convertible into Equity Interests other than with respect to dividends paid
by, or a reclassification of Equity Interests or securities convertible into Equity Interests of, a wholly owned Subsidiary of the Company;

 

(i) create,
incur or assume any indebtedness for borrowed money in excess of $50,000,000 other than borrowings and other extensions of credit under
a contract, agreement or similar arrangement (including the asset based lending facility and the existing floor plan financing facilities)
in effect as of the Effective Time (without giving effect to any amendment or modification after the Effective Time, unless such amendment
or modification is approved by Platinum) or is approved by Platinum after the Effective Time;

 

(j) other
than in the ordinary course of business consistent with past practice, guarantee any indebtedness of, or grant a security interest to,
any Person other than the Company and its wholly-owned Subsidiaries;

 

(k) hire,
remove or replace the Chief Executive Officer, Chief Financial Officer or Chief Operating Officer of the Company;

 

(l) amend
the charter, bylaws or similar organizational documents of the Company or any of its Subsidiaries;

 

(m) designate
any class of Equity Interests;

 

(n) issue
Equity Interests of the Company or its Subsidiaries other than issuances (i) to the Company or wholly owned Subsidiaries thereof, (ii)
to directors, officers or employees of the Company or any Subsidiary of the Company pursuant to a management incentive equity plan approved
by the Board or (iii) upon exercise of existing outstanding Equity Interests;

 

(o) establish
or change any employee incentive plan of the Company or any Subsidiary of the Company;

 

(p) change
the accounting policies of the Company or any Subsidiary of the Company other than as required in accordance with United States generally
accepted accounting principles, consistently applied, or make any material tax election;

 

(q) hire,
terminate or replace the principal outside counsel or auditor of the Company or any of its Subsidiaries; or

 

(r) enter
into any contract not specifically listed in this Section 1.7(r) involving aggregate payments to or by the Company and its Subsidiaries
in excess of $50,000,000 per annum.

 

    9

     

    

 

Section 1.8 Controlled
Company.

 

(a) The
Stockholders acknowledge and agree that by virtue of the voting power of Common Stock held by Platinum and its Affiliates representing
more than 50% of the total voting power of the Common Stock outstanding as of the Effective Time, the Company qualifies as a “controlled
company” within the rules of the Approved Stock Exchange as of the date hereof.

 

(b) So
long as the Company qualifies as a “controlled company” for purposes of the rules of the Approved Stock Exchange, at Platinum’s
request, (x) the Company will elect to be a “controlled company” for purposes of the rules of the Approved Stock Exchange,
(y) will disclose in its annual meeting proxy statement that it is a “controlled company” and the basis for that determination
and (z) file all election notices and other documentation with the Approved Stock Exchange necessary to elect to qualify for the exemptions
to any requirements under the rules of the Approved Stock Exchange that do not apply to such “controlled company”.

 

Section 1.9 Special Meetings
of Stockholders. Special meetings of the stockholders for any purpose or purposes may
be called at any time by the Board or, while Platinum has the right to designate one (1) or more Directors to the Board, by the Board
at the request of Platinum, but such special meetings may not be called by any other Person. No business may be transacted at any special
meeting of stockholders other than the business specified in the notice of such meeting. The Company may postpone, reschedule or cancel
any special meeting of stockholders previously scheduled by the Board, other than meetings called at the request of Platinum in accordance
with the first sentence of this Section 1.9.

 

Section 1.10 Stockholder
Action by Written Consent. No action that is required or permitted to be taken by the
stockholders of the Company at any annual or special meeting of stockholders may be effected by written consent of stockholders in lieu
of a meeting of stockholders except if at the time such consent would otherwise become effective, Platinum Beneficially Owns a number
of shares of Common Stock equal to or greater than 50% of the total number of shares of Common Stock issued and outstanding.

 

Section 1.11 Stock Exchange
Listing. The Company will cause the Company’s shares of Common Stock, to be listed
on an Approved Stock Exchange.

 

ARTICLE
II

EARNOUT SHARES

 

Section 2.1 Sponsor Earnout
Shares.

 

(a) Other
than in accordance with Section 2.1(g), subject to Section 2.1(c) and Section 2.1(d), no Sponsor may Transfer any
of its Sponsor Earnout Shares prior to the third anniversary of the Merger Effective Time. From and after the third anniversary of the
Merger Effective Time, the Sponsor Earnout Shares may be Transferred, subject to Section 2.1(h).

 

(b) Subject
to Section 2.1(c) and Section 2.1(d), on (i) the fifth anniversary of the Merger Effective Time, the Minimum Target Sponsor
Earnout Shares and the Second Target Sponsor Earnout Shares shall be automatically forfeited by the holders thereof to the Company for
no consideration with no further action required of any Person and (ii) on the seventh anniversary of the Merger Effective Time, the Maximum
Target Sponsor Earnout Shares shall be forfeited by the holders thereof to the Company for no consideration with no further action required
of any Person.

 

    10

     

    

 

(c) The
restrictions and forfeiture provisions set forth in this Section 2.1, including, for avoidance of doubt, Section 2.1(b),
shall cease to apply to (i) such Sponsor’s Minimum Target Sponsor Earnout Shares upon the first day after the Common Stock Price
equals or exceeds $13.00 per share, as adjusted for stock splits, dividends, reorganizations, recapitalizations and the like (the “Minimum
Target”), for any period of 20 trading days out of 30 consecutive trading days, (ii) such Sponsor’s Second Target Sponsor
Earnout Shares upon the first day after the Common Stock Price equals or exceeds $16.00 per share, as adjusted for stock splits, dividends,
reorganizations, recapitalizations and the like (the “Second Target”), for any period of 20 trading days out of 30
consecutive trading days and (iii) such Sponsor’s Maximum Target Sponsor Earnout Shares upon the first day after the Common Stock
Price equals or exceeds $19.00 per share, as adjusted for stock splits, dividends, reorganizations, recapitalizations and the like (the
“Maximum Target”), for any period of 20 trading days out of 30 consecutive trading days.

 

(d) The
restrictions and forfeiture provisions set forth in this Section 2.1, including, for avoidance of doubt, Section 2.1(b),
shall cease to apply to (i) such Sponsor’s Minimum Target Sponsor Earnout Shares immediately prior to a Change in Control if the
Change in Control Consideration paid or payable to the stockholders of the Company in connection with such Change in Control is equal
to or greater than the Minimum Target but less than the Second Target, unless the Minimum Target had previously been satisfied pursuant
to Section 2.1(c), (ii) such Sponsor’s Minimum Target Sponsor Earnout Shares and Second Target Sponsor Earnout Shares immediately
prior to a Change in Control if the Change in Control Consideration paid or payable to the stockholders of the Company in connection with
such Change in Control is equal to or greater than the Second Target but less than the Maximum Target, unless the Second Target had previously
been satisfied pursuant to Section 2.1(c), and (iii) such Sponsor’s Minimum Target Sponsor Earnout Shares, Second Target
Sponsor Earnout Shares and Maximum Target Sponsor Earnout Shares immediately prior to a Change in Control if the Change in Control Consideration
paid or payable to the stockholders of the Company in connection with such Change in Control is equal to or greater than the Maximum Target,
unless the Maximum Target had previously been satisfied pursuant to Section 2.1(c).

 

(e) The
Sponsors and the Company acknowledge and agree that:

 

(i) the
Sponsor Earnout Shares shall participate in any dividends or other distributions with respect to Common Stock prior to the date such Sponsor
Earnout Shares become Transferable in accordance herewith and thereafter;

 

(ii) the
Sponsor Earnout Shares shall have all voting rights, and the Sponsors shall be entitled to vote on any matter as a holder of Sponsor Earnout
Shares, prior to the date such Sponsor Earnout Shares become freely Transferable in accordance herewith and thereafter;

 

(iii) notwithstanding
anything to the contrary herein, the Sponsor Earnout Shares shall remain subject to the restrictions on Transfer under applicable securities
Laws of any state, federal or foreign entity and the rules and regulations promulgated thereunder; and

 

    11

     

    

 

(iv) each
certificate evidencing any Sponsor Earnout Shares and each certificate issued in exchange for or upon the Transfer of any Sponsor Earnout
Shares (unless such Sponsor Earnout Shares are no longer subject to the restrictions on Transfer and forfeiture provisions set forth in
this Section 2.1) shall be stamped or otherwise imprinted with a legend in substantially the following form:

 

“THE SECURITIES REPRESENTED
BY THIS CERTIFICATE ARE SUBJECT TO RESTRICTIONS ON TRANSFER AND OTHER PROVISIONS SET FORTH IN AN AMENDED AND RESTATED STOCKHOLDERS’
AGREEMENT, DATED AS OF APRIL 1, 2021, AMONG THE ISSUER OF SUCH SECURITIES (THE “COMPANY”) AND CERTAIN OF THE COMPANY’S
STOCKHOLDERS, AS AMENDED. A COPY OF SUCH STOCKHOLDERS’ AGREEMENT WILL BE FURNISHED WITHOUT CHARGE BY THE COMPANY TO THE HOLDER HEREOF
UPON WRITTEN REQUEST.”

 

The Company shall imprint such legend on certificates
evidencing the Sponsor Earnout Shares. The legend set forth above shall be removed from the certificates evidencing any Sponsor Earnout
Shares that are no longer subject to the restrictions on Transfer and forfeiture provisions set forth in this Section 2.1.

 

(f) Any
purported Transfer of Sponsor Earnout Shares in violation of this Agreement shall be null and void, and the Company shall refuse to recognize
any such Transfer for any purpose.

 

(g) Notwithstanding
anything to the contrary in this Section 2.1, Transfers of Sponsor Earnout Shares are permitted (i) to Permitted Transferees who
shall (A) be subject to the restrictions in this Section 2.1 as if they were the original holders of such Sponsor Earnout Shares
and (B) promptly Transfer such Sponsor Earnout Shares back to the applicable Sponsor if they cease to be a Permitted Transferee for any
reason prior to the date such Sponsor Earnout Shares become freely Transferable in accordance herewith; (ii) in the case of an individual,
by a gift to a member of the individual’s immediate family or to a trust, the beneficiary of which is a member of one of the individual’s
immediate family, an Affiliate of such person or to a charitable organization; (iii) in the case of an individual, by virtue of Laws of
descent and distribution upon death of the individual; or (iv) in the case of an individual, pursuant to a qualified domestic relations
order; provided, however, that these Transferees must become a party to this Agreement by executing and delivering such
documents as may be necessary to make such Transferee a party hereto.

 

(h) Notwithstanding
anything to the contrary in this Section 2.1, for so long as the applicable Sponsor Earnout Shares are subject to the forfeiture
provisions set forth in this Section 2.1, prior to any Transfer of any Sponsor Earnout Shares, the Transferee of such Sponsor Earnout
Shares shall agree in a duly and validly executed writing for the benefit of the Company that such Sponsor Earnout Shares remain subject
to the forfeiture provisions set forth in this Section 2.1.

 

    12

     

    

 

Section 2.2 NESCO Holder
Earnout Shares.

 

(a) Subject
to Section 2.2(b) and Section 2.2(c), on (i) the fifth anniversary of the Merger Effective Time, the Minimum Target NESCO
Holder Earnout Shares and the Second Target NESCO Holder Earnout Shares shall be automatically forfeited by the holders thereof to the
Company for no consideration with no further action required of any Person and (ii) on the seventh anniversary of the Merger Effective
Time, the Maximum Target NESCO Holder Earnout Shares shall be forfeited by the holders thereof to the Company for no consideration with
no further action required of any Person. For avoidance of doubt, to the extent that Earnout Shares (used herein as defined in the Merger
Agreement) are issued pursuant to satisfaction of Section 2.06(a)(i) - (iii) of the Merger Agreement or Section 2.06(b)(i) - (iii) of
the Merger Agreement, such Earnout Shares shall not be subject to the forfeiture provisions set forth in this Section 2.2.

 

(b) The
forfeiture provisions set forth in this Section 2.2 shall cease to apply to (i) the Minimum Target NESCO Holder Earnout Shares
upon the first day after the Common Stock Price equals or exceeds the Minimum Target for any period of 20 trading days out of 30 consecutive
trading days, (ii) the Second Target NESCO Holder Earnout Shares upon the first day after the Common Stock Price equals or exceeds the
Second Target for any period of 20 trading days out of 30 consecutive trading days and (iii) the Maximum Target NESCO Holder Earnout Shares
upon the first day after the Common Stock Price equals or exceeds the Maximum Target for any period of 20 trading days out of 30 consecutive
trading days.

 

(c) The
forfeiture provisions set forth in this Section 2.2 shall cease to apply to (i) the Minimum Target NESCO Holder Earnout Shares
immediately prior to a Change in Control if the Change in Control Consideration paid or payable to the stockholders of the Company in
connection with such Change in Control is equal to or greater than the Minimum Target but less than the Second Target, unless the Minimum
Target had previously been satisfied pursuant to Section 2.2(b), (ii) the Minimum Target NESCO Holder Earnout Shares and Second
Target NESCO Holder Earnout Shares immediately prior to a Change in Control if the Change in Control Consideration paid or payable to
the stockholders of the Company in connection with such Change in Control is equal to or greater than the Second Target but less than
the Maximum Target, unless the Second Target had previously been satisfied pursuant to Section 2.2(b), and (iii) the Minimum
Target NESCO Holder Earnout Shares, Second Target NESCO Holder Earnout Shares and Maximum Target NESCO Holder Earnout Shares immediately
prior to a Change in Control if the Change in Control Consideration paid or payable to the stockholders of the Company in connection with
such Change in Control is equal to or greater than the Maximum Target, unless the Maximum Target had previously been satisfied pursuant
to Section 2.2(b).

 

(d) The
NESCO Holder and the Company acknowledge and agree that:

 

(i) notwithstanding
anything to the contrary herein, the NESCO Holder Earnout Shares shall remain subject to the restrictions on Transfer under applicable
securities Laws of any state, federal or foreign entity and the rules and regulations promulgated thereunder; and

 

    13

     

    

 

(ii) each
certificate evidencing any NESCO Holder Earnout Shares and each certificate issued in exchange for or upon the Transfer of any NESCO Holder
Earnout Shares (unless such NESCO Holder Earnout Shares are no longer subject to the forfeiture provisions set forth in this Section
2.2) shall be stamped or otherwise imprinted with a legend in substantially the following form:

 

“THE SECURITIES REPRESENTED
BY THIS CERTIFICATE ARE SUBJECT TO RESTRICTIONS AND OTHER PROVISIONS SET FORTH IN AN AMENDED AND RESTATED STOCKHOLDERS’ AGREEMENT,
DATED AS OF APRIL 1, 2021, AMONG THE ISSUER OF SUCH SECURITIES (THE “COMPANY”) AND CERTAIN OF THE COMPANY’S STOCKHOLDERS,
AS AMENDED. A COPY OF SUCH STOCKHOLDERS’ AGREEMENT WILL BE FURNISHED WITHOUT CHARGE BY THE COMPANY TO THE HOLDER HEREOF UPON WRITTEN
REQUEST.”

 

The Company shall imprint such legend on certificates
evidencing the NESCO Holder Earnout Shares. The legend set forth above shall be removed from the certificates evidencing any NESCO Holder
Earnout Shares that are no longer subject to the forfeiture provisions set forth in this Section 2.2.

 

(e) Notwithstanding
anything to the contrary in this Section 2.2, for so long as the applicable NESCO Holder Earnout Shares are subject to the forfeiture
provisions set forth in this Section 2.2, prior to any Transfer of any NESCO Holder Earnout Shares, the Transferee of such NESCO
Holder Earnout Shares shall agree in a duly and validly executed writing for the benefit of the Company that such NESCO Holder Earnout
Shares remain subject to the forfeiture provisions set forth in this Section 2.2. Any purported Transfer of NESCO Holder Earnout
Shares in violation of this Section 2.2 shall be null and void, and the Company shall refuse to recognize any such Transfer for
any purpose.

 

ARTICLE
III

OTHER TRANSFER RESTRICTIONS, DRAG-ALONG

 

Section 3.1 Restrictions
on Transfer of Common Stock.

 

(a) Notwithstanding
anything to the contrary in ARTICLE IV, during the period commencing on the date hereof and ending on the date that is eighteen
(18) months following the date of this Agreement (the “Lockup Period” ), Platinum shall not Transfer any shares of
Common Stock Beneficially Owned or otherwise held by it other than (i) in accordance with Section 3.1(f), (ii) upon approval by
each of Blackstone and ECP (each, while it owns 5% or more of the Common Stock on a fully diluted basis (calculated using the treasury
stock method), and in such capacity a “Qualifying Stockholder”), (iii) in a Transfer that is part of a transaction
unanimously approved by the Board or (iv) subject to Section 3.1(b), in a Transfer in which the consideration paid or payable for
such shares of Common Stock equals or exceeds $8 per share as adjusted for stock splits, dividends, reorganizations, recapitalizations
and the like (the “Trigger Price”).

 

    14

     

    

 

(b) At
least ten (10) Business Days prior to the anticipated closing date of a Transfer in accordance with Section 3.1(a)(iv) that is
a registered underwritten public follow-on offering (a “Trigger Transfer” ), Platinum shall notify (the “Trigger
Notice” ) each Qualifying Stockholder and Capitol. Each of the Qualifying Stockholders and Capitol and their respective Affiliates
that notifies Platinum within five (5) Business Days following its receipt of the Trigger Notice of its desire to participate in such
Trigger Transfer (a “Participating Stockholder” ) shall have the right to participate in such Trigger Transfer in accordance
with the provisions set forth in Section 3.1(c) and Section 3.1(d), as applicable.

 

(c) With
respect to the first $200,000,000 in total proceeds raised in Trigger Transfers during the Lockup Period, each Participating Stockholder
(other than Capitol) shall have the right to sell a number of shares of Common Stock equal to the lesser of (i) the number of shares of
Common Stock that Platinum sells in such Trigger Transfer and (ii) the number of shares of Common Stock that such Participating Stockholder
desires to sell in such Trigger Transfer; provided, however, that to the extent a Participating Stockholder (other than
Capitol) desires to sell less than the number of shares of Common Stock that Platinum sells in such Trigger Transfer, Platinum and the
other Participating Stockholders (other than Capitol) shall be entitled to each additionally sell an equal percentage of the amount of
such deficit. Capitol shall have the right to participate in a Trigger Transfer contemplated by this Section 3.1(c) in which ECP
is a Participating Stockholder with respect to a number of shares of Common Stock equal to the product of (x) the number of shares of
Common Stock ECP has a right to sell in such Trigger Transfer in accordance with the provisions of this paragraph (disregarding any reduction
thereof in accordance with this sentence) times (y) a fraction, the denominator of which is the number of shares of Common Stock
held by both ECP and Capitol and the numerator of which is the number of shares of Common Stock held by Capitol, and the number of shares
of Common Stock that ECP has a right to sell in such Trigger Sale shall be reduced by the number of shares of Common Stock that Capitol
elects to sell pursuant to this sentence.

 

(d) With
respect to total proceeds in excess of $200,000,000 raised in Trigger Transfers during the Lockup Period, each Participating Stockholder
shall have the right to sell a number of shares of Common Stock equal to the lower of (i) the product of (A) the number of shares of Common
Stock subject to such Trigger Transfer times (B) a fraction, the denominator of which is the number of shares of Common Stock
held by Platinum and the Participating Stockholders and the numerator of which is the number of shares of Common Stock held by such Participating
Stockholder and (ii) the number of Shares of Common Stock that such Participating Stockholder desires to sell.

 

(e) The
Stockholders and the Company acknowledge and agree that:

 

(i) notwithstanding
anything to the contrary herein, the shares of Common Stock and warrants to purchase shares of Common Stock, in each case, held by a Stockholder
shall remain subject to the restrictions on Transfer under applicable securities Laws of any state, federal or foreign entity and the
rules and regulations promulgated thereunder; and

 

    15

     

    

 

(ii) each
certificate evidencing any shares of Common Stock held by a Stockholder and each certificate issued in exchange for or upon the Transfer
of any shares of Common Stock held by a Stockholder (unless such shares are no longer subject to the restrictions on Transfer set forth
in this ARTICLE III) shall be stamped or otherwise imprinted with a legend in substantially the form set forth in Section 2.1(e)(iv).
The Company shall imprint such legend on certificates evidencing the shares of Common Stock held by each Stockholder. The legend set forth
above shall be removed from the certificates evidencing any shares of Common Stock held by a Stockholder that are no longer subject to
the restrictions on Transfer set forth in this ARTICLE III.

 

(f) Notwithstanding
anything to the contrary in this ARTICLE III, Transfers of shares of Common Stock and warrants to purchase shares of Common Stock
are permitted (i) to Permitted Transferees who shall (A) be subject to the restrictions in this ARTICLE III as if they were the
original holders of such shares or warrants and (B) promptly Transfer such shares or warrants back to the applicable Shareholder if they
cease to be a Permitted Transferee for any reason prior to the date such shares or warrants become freely Transferable in accordance herewith;
(ii) in the case of an individual, by a gift to a member of the individual’s immediate family or to a trust, the beneficiary of
which is a member of one of the individual’s immediate family, an Affiliate of such person or to a charitable organization; (iii)
in the case of an individual, by virtue of Laws of descent and distribution upon death of the individual; or (iv) in the case of an individual,
pursuant to a qualified domestic relations order; provided, however, that these Transferees must become a party to this
Agreement by executing and delivering such documents as may be necessary to make such Transferee a party hereto.

 

Section 3.2 Certain Change
in Control Transactions. During the Lockup Period, Platinum shall not vote its Common
Stock in favor of any transaction that, if consummated, would result in a Change in Control or in which an Affiliate of Platinum participates,
other than a transaction (a) unanimously approved by the Board, (b) consented to in writing by the Qualifying Stockholders, or (c) in
which the Change in Control Consideration paid or payable to any of Blackstone, ECP, Capitol or the Management Holders (i) would
consist of only cash or publicly-traded securities and (ii) would be equal to or in excess of the Trigger Price. From and after the date
hereof, if Platinum or an Affiliate of Platinum proposes an acquisition of the Company, “take private” transaction or any
similar transaction by Platinum or one or more of its Affiliates or Platinum does not receive the same form of consideration as the other
stockholders of the Company in a Change of Control transaction, such transaction shall require, in addition to any other approvals required
with respect thereto, approval by (A) a majority of the Directors not nominated by Platinum and that are otherwise disinterested in such
transaction or a special committee of independent Directors and (B) while ECP owns 5% or more of the Common Stock on a fully diluted
basis (calculated using the treasury stock method), a majority of the stockholders of the Company that are independent of Platinum and
otherwise disinterested in such transaction.

 

Section 3.3 Drag-Along
Rights.

 

(a) Subject
to the provisions of Section 3.1 and Section 3.2 if, at any time while Platinum Beneficially Owns a number of shares of
Common Stock equal to or greater than 50% of the total number of shares of Common Stock issued and outstanding (on a Non-Fully Diluted
Basis), Platinum receives a bona fide offer from a third party to purchase or otherwise desires to Transfer shares of Common Stock to
a third party on arm’s length terms (a “Sale Proposal”), including Common Stock owned by other Stockholders (the
“Drag Shares”), and (i) such Sale Proposal, if consummated, would result in a Change in Control (taking into account
all shares of Common Stock being “dragged”), (ii) such Sale Proposal does not involve the transfer of Drag Shares to Platinum
or an Affiliate of Platinum and (iii) in such Sale Proposal, if consummated, Platinum would receive the same form of consideration as
the other stockholders of the Company (a “Required Sale”), then Platinum may deliver a written notice (a “Required
Sale Notice”) with respect to such Sale Proposal at least ten (10) Business Days prior to the anticipated closing date of such
Required Sale to all other Stockholders requiring them to sell or otherwise Transfer their Common Stock to the proposed transferee in
accordance with the provisions of this Section 3.3(a).

 

    16

     

    

 

(b) The
Required Sale Notice shall include the material terms and conditions of the Required Sale, including (i) the name and address of the proposed
transferee, (ii) the proposed amount and form of consideration (and if any portion of the consideration is other than cash, any material
information made available to Platinum with respect to such non-cash consideration that a Stockholder may reasonably request); provided,
however, that the provision of such information (or, except with respect to (i) and (ii) of this sentence, lack thereof) shall
not relieve any Stockholder of its obligation to sell or otherwise Transfer its Common Stock under this Section 3.3(b) and (iii)
the proposed Transfer date, if known. Platinum shall deliver or cause to be delivered to each other Stockholder a copy of the final sale
agreement for the Required Sale as soon as reasonably practicable after the same becomes available.

 

(c) Each
Stockholder, upon receipt of a Required Sale Notice, shall be obligated to sell or otherwise Transfer, the same proportion of its Common
Stock as is being Transferred by Platinum and to otherwise participate in the Required Sale contemplated by the Sale Proposal, to vote,
if required by this Agreement or otherwise, its Common Stock in favor of the Required Sale at any meeting of the Company’s stockholders
called to vote on or approve the Required Sale and/or to consent in writing to the Required Sale, to waive all dissenters’ or appraisal
or similar rights, if any, in connection with the Required Sale and to take all actions as may be reasonably necessary to consummate the
Required Sale, including, without limitation, entering into agreements and delivering certificates and instruments, in each case, with
terms and conditions that are no worse to such Stockholder than the agreements being entered into and the certificates being delivered
by Platinum relating to the Required Sale, and to agree (as to itself) to make to the proposed purchaser the same representations, warranties,
covenants, indemnities and agreements as Platinum agrees to make in connection with the Required Sale, and to take or cause to be taken
all other actions as may be reasonably necessary to consummate the Required Sale; provided, however, that unless otherwise
agreed by any Stockholder, (w) a Stockholder shall not be required to make representations and warranties (but, subject to clause
(z) below, shall be required to provide several but not joint indemnities with respect to breaches of representations, warranties and
covenants made, and all other actions taken in connection therewith, by, or with respect to, the Company or its Subsidiaries) or provide
indemnities as to any other Stockholder and a Stockholder shall not be required to make any representations and warranties about the business
of the Company or its Subsidiaries, (x) no Stockholder shall be liable for the breach of any covenant by any other Stockholder, (y) no
Stockholder shall be required to enter into any agreement not to compete (or other restrictive covenant) with the Company or any of its
Subsidiaries in connection with the Required Sale, and (z) notwithstanding anything in this Section 3.3(c) to the contrary, any
liability relating to representations and warranties and covenants (and related indemnities) and other indemnification, escrow or continuing
obligations regarding the business of the Company or its Subsidiaries in connection with the Required Sale shall be shared by a Stockholder
in proportion to the proceeds received by such Stockholder and in any event shall not exceed the proceeds received by such Stockholder
in the Required Sale.

 

    17

     

    

 

ARTICLE
IV

REGISTRATION RIGHTS

Section 4.1 Demand
Registrations.

 

(a) Requests
for Registration. Subject to the terms and conditions of this Agreement and following the expiration of the period commencing on the
date of this Agreement and ending on the three (3) month anniversary thereof (the “Registration Lockup Period” ), the
holders of at least a majority of (i) the Platinum Registrable Securities, (ii) the Blackstone Registrable Securities, (iii) the
ECP Registrable Securities, or (iv) the Sponsor Registrable Securities (the holders listed in clauses (i) through (iv) of this sentence,
the “Demand Holders”) may, in each case, request registration under the Securities Act of all or any portion of their
Registrable Securities on Form S-1 or any similar long-form registration (“Long-Form Registrations”), or on Form S-3
or any similar short-form registration (“Short-Form Registrations”) if available; provided, however,
that each Demand Holder may only make six (6) such requests. All registrations requested pursuant to this Section 4.1(a) are referred
to herein as “Demand Registrations”. Demand Registrations shall be underwritten offerings upon the request of a Demanding
Holder. The Demand Holders requesting a Demand Registration also may request that the registration be made pursuant to Rule 415 under
the Securities Act (a “Shelf Registration”) and, if the Company is a WKSI at the time any request for a Demand Registration
is submitted to the Company, that such Shelf Registration be an automatic shelf registration statement (as defined in Rule 405 under the
Securities Act) (an “Automatic Shelf Registration Statement”). Each request for a Demand Registration shall specify
the approximate number of Registrable Securities requested to be registered and the intended method of distribution. Within ten (10) days
after receipt of any such request, the Company shall give written notice of the Demand Registration to all other Holders and, subject
to the terms of Section 4.1(e), shall include in such Demand Registration (and in all related registrations and qualifications
under state blue sky laws and in any related underwriting) all Registrable Securities with respect to which the Company has received written
requests for inclusion therein within ten (10) days after the Company issues such notice. Each Holder agrees that such Holder shall treat
as confidential the receipt of the notice of Demand Registration and shall not disclose or use the information contained in such notice
of Demand Registration without the prior written consent of the Company until such time as the information contained therein is or becomes
available to the public generally, other than as a result of disclosure by the Holder in breach of the terms of this Agreement.

 

(b) Long-Form
Registrations. The Company shall pay all Registration Expenses in connection with any Long-Form Registration. The aggregate offering
value of the Registrable Securities requested to be registered in any Long-Form Registration must equal at least $10,000,000. All Long-Form
Registrations shall be underwritten registrations unless otherwise approved by the Demand Holders requesting registration.

 

(c) Short-Form
Registrations. The Company shall pay all Registration Expenses in connection with any Short-Form Registration. Demand Registrations
shall be Short-Form Registrations whenever the Company is permitted to use any applicable short form and if the managing underwriters
(if any) agree to the use of a Short-Form Registration.

 

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(d) Shelf
Registrations.

 

(i) In
the event that a registration statement under the Securities Act for the Shelf Registration (a “Shelf Registration Statement”)
is effective, the Demand Holders whose Registrable Securities are covered by such Shelf Registration Statement shall each have the right
at any time or from time to time following the expiration of the Registration Lockup Period, to elect to sell pursuant to an offering
(including an underwritten offering) Registrable Securities available for sale pursuant to such Shelf Registration Statement (“Shelf
Registrable Securities”), so long as the Shelf Registration Statement remains in effect, and the Company shall pay all
Registration Expenses in connection therewith. The applicable Demand Holders shall make such election by delivering to the Company a written
notice (a “Shelf Offering Notice”) with respect to such offering specifying the number of Shelf Registrable Securities
that they desire to sell pursuant to such offering (the “Shelf Offering”). As promptly as practicable, but no later
than two (2) Business Days after receipt of a Shelf Offering Notice, the Company shall give written notice of such Shelf Offering Notice
to all other holders of Shelf Registrable Securities. The Company, subject to Sections 4.1(e) and 4.7, shall include in
such Shelf Offering the Shelf Registrable Securities of any other holder of Shelf Registrable Securities that shall have made a written
request to the Company for inclusion in such Shelf Offering (which request shall specify the maximum number of Shelf Registrable Securities
intended to be disposed of by such holder) within five (5) Business Days after the receipt of the Shelf Offering Notice. The Company shall,
as expeditiously as possible (and in any event within 20 days after the receipt of a Shelf Offering Notice), but subject to Section
4.1(f), use its reasonable best efforts to facilitate such Shelf Offering. Each Holder agrees that such Holder shall treat as confidential
the receipt of the Shelf Offering Notice and shall not disclose or use the information contained in the Company’s notice regarding
the Shelf Offering Notice without the prior written consent of the Company and the Holders delivering such Shelf Offering Notice until
such time as the information contained therein is or becomes available to the public generally, other than as a result of disclosure by
the Holder in breach of the terms of this Agreement.

 

(ii) If
a Demand Holder wishes to engage in an underwritten block trade, variable price reoffer or overnight underwritten offering, in each case,
off of a Shelf Registration Statement (either through filing an Automatic Shelf Registration Statement or through a take-down from an
already existing Shelf Registration Statement), then, notwithstanding the time periods set forth in Section 4.1(d)(i) but only
following the expiration of the Registration Lockup Period, such holder shall notify the Company not less than two (2) Business Days prior
to the day such offering is to commence. The Company shall promptly notify all other Holders of such offering, and such other Holders
must elect whether or not to participate by the next Business Day (i.e., one Business Day prior to the day such offering is to
commence) (unless a longer period is agreed to by such Demand Holder) wishing to engage in the underwritten block trade), and the Company
shall as expeditiously as possible use its reasonable best efforts to facilitate such offering (which may close as early as two (2) Business
Days after the date it commences); provided, however, that such Demand Holder shall use commercially reasonable efforts
to work with the Company and the underwriters prior to making such request in order to facilitate preparation of the registration statement,
prospectus and other offering documentation related to the transaction.

 

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(iii) Subject
to Section 4.1(f)(ii), the Company shall, at the request of a Demand Holder whose Shelf Registrable Securities are covered by a
Shelf Registration Statement, file any prospectus supplement or any post-effective amendments and otherwise take any action necessary
to include therein all disclosures and language deemed necessary or advisable by such holders to effect such Shelf Offering.

 

(e) Priority
on Demand Registrations and Shelf Offerings. The Company shall not include in any Demand Registration or Shelf Offering any securities
which are not Registrable Securities without the prior written consent of the Holders holding at least a majority of the Registrable Securities
initially requesting such registration. If a Demand Registration or a Shelf Offering is an underwritten offering and the managing underwriters
advise the Company in writing that in their opinion the number of Registrable Securities and, if permitted hereunder, other securities
requested to be included in such offering exceeds the number of Registrable Securities and other securities, if any, which can be sold
therein without adversely affecting the marketability, proposed offering price, timing or method of distribution of the offering, the
Company shall include in such offering prior to the inclusion of any securities which are not Registrable Securities the number of Registrable
Securities requested to be included which, in the opinion of such underwriters, can be sold, without any such adverse effect, pro rata
among the respective holders thereof on the basis of the amount of Registrable Securities owned by each such holder; provided,
however, notwithstanding anything to the contrary in this ARTICLE IV, if during the Lockup Period ECP has not Transferred
any of its shares of Common Stock (excluding Transfers to Permitted Transferees), then, until the earlier of (a) eighteen (18) months
following the expiration of the Lockup Period and (b) the time at which ECP Transfers any shares of Common Stock, ECP shall have the right
to demand one (1) Demand Registration or Shelf Offering in which the Company shall allocate (i) with respect to the first $200,000,000
in total proceeds raised thereby, at least 33% of such offering to shares of Common Stock held by ECP and Capitol on the basis of the
amount of Registrable Securities owned by each of them and (ii) with respect to proceeds raised in excess of $200,000,000, a pro
rata portion to ECP and Capitol on the basis of the amount of Registrable Securities owned by each of them as a portion of the total
amount of Registrable Securities then issued and outstanding.

 

(f) Restrictions
on Demand Registration and Shelf Offerings.

 

(i) The
Company shall not be obligated to effect any Demand Registration or underwritten Shelf Offering at any time during the Registration Lockup
Period or within 60 days after the effective date of a previous Demand Registration or a previous registration in which Registrable Securities
were included pursuant to Section 4.2.

 

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(ii) The
Company may postpone for up to 90 days from the date of the request (the “Suspension Period”), the filing or the effectiveness
of a registration statement for a Demand Registration or suspend the use of a prospectus that is part of a Shelf Registration Statement
(and therefore suspend sales of the Shelf Registrable Securities) by providing written notice to the Holders if (A) the Board determines
in its reasonable good faith judgment that the offer or sale of Registrable Securities would reasonably be expected to have a material
adverse effect on any proposal or plan by the Company or any of its Subsidiaries to engage in any material acquisition of assets or stock
(other than in the ordinary course of business) or any material merger, consolidation, tender offer, recapitalization, reorganization
or other financially material transaction involving the Company, (B) the sale of Registrable Securities pursuant to the registration statement
would require disclosure of non-public material information not otherwise required to be disclosed under applicable law, and (C) (x) the
Company has a bona fide business purpose for preserving the confidentiality of such transaction, (y) disclosure would have a material
adverse effect on the Company or the Company’s ability to consummate such transaction or (z) such transaction renders the Company
unable to comply with requirements of the SEC, in each case under circumstances that would make it impractical or inadvisable to cause
the Shelf Registration Statement (or such filings) to become effective or to promptly amend or supplement the Shelf Registration Statement
on a post effective basis, as applicable; provided, however, that, in such event, the Holders initially requesting such
Demand Registration shall be entitled to withdraw such request, and if such request is withdrawn, such Demand Registration shall not count
as one of the permitted Demand Registrations hereunder and the Company shall pay all Registration Expenses in connection with such registration.
The Company may delay or suspend the effectiveness of a Demand Registration or Shelf Offering pursuant to this Section 4.1(f)(ii)
only once in any consecutive twelve (12)-month period; provided, however, that, for the avoidance of doubt, the Company
may in any event delay or suspend the effectiveness of Demand Registration or Shelf Offering in the case of an event described under Section
4.4(a)(vi) to enable it to comply with its obligations set forth in Section 4.4(a)(vi). If the conditions set forth in clauses
(A) through (C) above are satisfied, the Company may extend the Suspension Period for an additional consecutive 60 days with the consent
of the Holders holding a majority of the Registrable Securities initially requesting such registration.

 

(iii) In
the case of an event that causes the Company to suspend the use of a Shelf Registration Statement as set forth in paragraph (f)(ii)
above or pursuant to Section 4.4(a)(xiv) (a “Suspension Event”), the Company shall give a notice to the Holders
registered pursuant to such Shelf Registration Statement (a “Suspension Notice”) to suspend sales of the Registrable
Securities, and such notice shall state generally the basis for the notice and that such suspension shall continue only for so long as
the Suspension Event or its effect is continuing; provided that the Company shall not be permitted to deliver more than one Suspension
Notice during any consecutive twelve (12) month period or for a period exceeding ninety (90) days. A Holder shall not effect any sales
of its Registrable Securities pursuant to such Shelf Registration Statement (or such filings) at any time after it has received a Suspension
Notice from the Company and prior to receipt of an End of Suspension Notice (as defined below). Each Holder agrees that it shall treat
as confidential the receipt of the Suspension Notice and shall not disclose or use the information contained in such Suspension Notice
without the prior written consent of the Company until such time as the information contained therein is or becomes available to the public
generally, other than as a result of disclosure by such Holder in breach of the terms of this Agreement. A Holder may recommence effecting
sales of the Registrable Securities pursuant to the Shelf Registration Statement (or such filings) following further written notice to
such effect (an “End of Suspension Notice”) from the Company, which End of Suspension Notice shall be given by the
Company to the holders and to the holders’ counsel, if any, promptly following the conclusion of any Suspension Event.

 

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(iv) Notwithstanding
any provision herein to the contrary, if the Company shall give a Suspension Notice with respect to any Shelf Registration Statement pursuant
to Section 4.1(f)(iii), the Company agrees that it shall extend the period of time during which such Shelf Registration Statement
shall be maintained effective pursuant to this Agreement by the number of days during the period from the date of receipt by the holders
of the Suspension Notice to and including the date of receipt by the holders of the End of Suspension Notice and provide copies of the
supplemented or amended prospectus necessary to resume sales with respect to each Suspension Event; provided, however, that
such period of time shall not be extended beyond the date that shares of Common Stock covered by such Shelf Registration Statement are
no longer Registrable Securities.

 

(g) Selection
of Underwriters. The Demand Holders requesting any Demand Registration shall have the right to select the investment banker(s) and
manager(s) to administer the offering. If any Shelf Offering is an underwritten offering, the Demand Holders requesting such underwritten
offering shall have the right to select the investment banker(s) and manager(s) to administer the offering relating to such Shelf Offering.
The Company represents and warrants that no investment bankers are entitled to any rights that would conflict with the rights of the Holders
under this Section 4.1(g).

 

(h) Other
Registration Rights. The Company represents and warrants that it is not a party to, or otherwise subject to, any other agreement
granting registration rights to any other Person with respect to any securities of the Company. Except as provided in this Agreement,
the Company shall not grant to any Persons the right to request the Company or any Subsidiary to register any Equity Interests of the
Company or any Subsidiary, or any securities convertible or exchangeable into or exercisable for such securities, without the prior written
consent of the Holders holding a majority of the Registrable Securities; provided, however, that the Company may grant rights
to other Persons to participate in Piggyback Registrations so long as such rights are subordinate to the rights of the Holders with respect
to such Piggyback Registrations as set forth in Section 4.2(c).

 

(i) Revocation
of Demand Notice or Shelf Offering Notice. At any time prior to the effective date of the registration statement relating to a Demand
Registration or the “pricing” of any offering relating to a Shelf Offering Notice, the Holders that provided such Demand Registration
or Shelf Offering Notice may revoke such Demand Registration or Shelf Offering Notice on behalf of all Holders participating in such Demand
Registration or Shelf Offering without liability to such Holders, in each case by providing written notice to the Company.

 

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Section 4.2 Piggyback
Registrations.

 

(a) Right
to Piggyback. Whenever following the expiration of the Registration Lockup Period the Company proposes to register any of its securities
under the Securities Act (other than pursuant to a Demand Registration or in connection with registrations on Form S-4 or S-8 promulgated
by the SEC or any successor or similar forms) and the registration form to be used may be used for the registration of Registrable Securities
(a “Piggyback Registration”), the Company shall give written notice at least five (5) Business Days prior to the filing
of the registration statement relating to the Piggyback Registration to all Holders of its intention to effect such Piggyback Registration
and, subject to the terms of Section 4.2(c) and Section 4.1(e), shall include in such Piggyback Registration (and in all
related registrations or qualifications under blue sky laws and in any related underwriting) all Registrable Securities with respect to
which the Company has received written requests for inclusion therein within two (2) Business Days after delivery of the Company’s
notice.

 

(b) Piggyback
Expenses. The Registration Expenses of the Holders shall be paid by the Company in all Piggyback Registrations, whether or not any
such registration became effective.

 

(c) Priority
on Primary Registrations. If a Piggyback Registration is an underwritten primary registration on behalf of the Company, and the managing
underwriters advise the Company in writing that in their sole opinion the number of securities requested to be included in such registration
exceeds the number which can be sold in such offering without adversely affecting the marketability, proposed offering price, timing or
method of distribution of the offering, the Company shall include in such registration (i) first, the securities the Company proposes
to sell, (ii) second, the Registrable Securities requested to be included in such registration which, in the opinion of the underwriters,
can be sold without any such adverse effect, pro rata among the holders of such Registrable Securities on the basis of the number
of shares owned by each such holder, and (iii) third, other securities requested to be included in such registration which, in the sole
opinion of the underwriters, can be sold without any such adverse effect.

 

(d) Selection
of Underwriters. If any Piggyback Registration is an underwritten offering, the investment banker(s) and manager(s) for the offering
shall be selected by the Company.

 

(e) Right
to Terminate Registration. The Company shall have the right to terminate or withdraw any registration initiated by it as a primary
offering under this Section 4.2 whether or not any Holder has elected to include securities in such registration. The Registration
Expenses of such withdrawn registration shall be borne by the Company in accordance with Section 4.5.

 

Section 4.3 Holdback Agreements.

 

(a) Holders.
Each and every Holder shall enter into lock-up agreements with the managing underwriter(s) of an underwritten Public Offering providing
that, unless the underwriters managing such underwritten Public Offering otherwise agree in writing, subject to customary exceptions such
Holder shall not (i) offer, sell, contract to sell, pledge (excluding bona fide pledges pursuant to margin loans or similar arrangements)
or otherwise dispose of (including sales pursuant to Rule 144), directly or indirectly, any Equity Interests of the Company (including
Equity Interests of the Company that may be deemed to be owned beneficially by such holder in accordance with the rules and regulations
of the SEC) (collectively, “Securities”), (ii) enter into a transaction which would have the same effect as described
in clause (i) above, (iii) enter into any swap, hedge or other arrangement that transfers, in whole or in part, any of the
economic consequences or ownership of any Securities, whether such transaction is to be settled by delivery of such Securities, in cash
or otherwise (each of (i), (ii) and (iii) above, a “Sale Transaction”), or (iv) publicly disclose
the intention to enter into any Sale Transaction, commencing on the earlier of the date on which the Company gives notice to the Holders
that a preliminary prospectus has been circulated for such Public Offering or the “pricing” of such offering and continuing
to the date that is no longer than 90 days following the date of the final prospectus for such Public Offering (or such shorter period
that is required by the managing underwriter(s)) (the “Holdback Period”).

 

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(b) The
Company. The Company (i) shall not file any registration statement for a Public Offering or cause any such registration statement
to become effective, or effect any public sale or distribution of its Equity Interests during any Holdback Period and (ii) shall use its
reasonable best efforts to cause (A) each holder of at least 5% (on a fully-diluted basis) of its shares of Common Stock, or any securities
convertible into or exchangeable or exercisable for shares of Common Stock, and (B) each of its Directors and executive officers to agree
not to effect any Sale Transaction during any Holdback Period, except as part of such underwritten registration, if otherwise permitted,
unless the underwriters managing the Public Offering otherwise agree in writing.

 

Section 4.4 Registration
Procedures.

 

(a) Whenever
the Holders have requested that any Registrable Securities be registered pursuant to this Agreement or have initiated a Shelf Offering,
the Company shall use its reasonable best efforts to effect the registration and the sale of such Registrable Securities in accordance
with the intended method of disposition thereof, and pursuant thereto the Company shall as expeditiously as possible:

 

(i) in
accordance with the Securities Act and all applicable rules and regulations promulgated thereunder, prepare and file with the SEC a registration
statement, and all amendments and supplements thereto and related prospectuses, with respect to such Registrable Securities and use its
reasonable best efforts to cause such registration statement to become effective (provided, however, that, before filing
a registration statement or prospectus or any amendments or supplements thereto, the Company shall furnish to the counsel selected by
the Holders holding a majority of the Registrable Securities covered by such registration statement copies of all such documents proposed
to be filed, which documents shall be subject to the review and comment of such counsel);

 

(ii) notify
each Holder of (A) the issuance by the SEC of any stop order suspending the effectiveness of any registration statement or the initiation
of any proceedings for that purpose, (B) the receipt by the Company or its counsel of any notification with respect to the suspension
of the qualification of the Registrable Securities for sale in any jurisdiction or the initiation or threatening of any proceeding for
such purpose, and (C) the effectiveness of each registration statement filed hereunder;

 

(iii) prepare
and file with the SEC such amendments and supplements to such registration statement and the prospectus used in connection therewith as
may be necessary to keep such registration statement effective for a period ending when all of the securities covered by such registration
statement have been disposed of in accordance with the intended methods of distribution by the sellers thereof set forth in such registration
statement (but not in any event before the expiration of any longer period required under the Securities Act or, if such registration
statement relates to an underwritten Public Offering, such longer period as in the opinion of counsel for the underwriters a prospectus
is required by law to be delivered in connection with sale of Registrable Securities by an underwriter or dealer) and comply with the
provisions of the Securities Act with respect to the disposition of all securities covered by such registration statement during such
period in accordance with the intended methods of disposition by the sellers thereof set forth in such registration statement;

 

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(iv) furnish
to each seller of Registrable Securities thereunder such number of copies of such registration statement, each amendment and supplement
thereto, the prospectus included in such registration statement (including each preliminary prospectus), each Free-Writing Prospectus
and such other documents as such seller may reasonably request in order to facilitate the disposition of the Registrable Securities owned
by such seller;

 

(v) use
its reasonable best efforts to register or qualify such Registrable Securities under such other securities or blue sky laws of such jurisdictions
as any seller reasonably requests and do any and all other acts and things which may be reasonably necessary or advisable to enable such
seller to consummate the disposition in such jurisdictions of the Registrable Securities owned by such seller (provided, however,
that the Company shall not be required to (A) qualify generally to do business in any jurisdiction where it would not otherwise be required
to qualify but for this Section 4.4(a)(v), (B) consent to general service of process in any such jurisdiction or (C) subject
itself to taxation in any jurisdiction where it would not otherwise be subject to taxation);

 

(vi) notify
each seller of such Registrable Securities (A) promptly after it receives notice thereof, of the date and time when such registration
statement and each post-effective amendment thereto has become effective or a prospectus or supplement to any prospectus relating to a
registration statement has been filed and when any registration or qualification has become effective under a state securities or blue
sky law or any exemption thereunder has been obtained, (B) promptly after receipt thereof, of any request by the SEC for the amendment
or supplementing of such registration statement or prospectus or for additional information, and (C) at any time when a prospectus relating
thereto is required to be delivered under the Securities Act, of the happening of any event as a result of which the prospectus included
in such registration statement contains an untrue statement of a material fact or omits any fact necessary to make the statements therein
not misleading, and, subject to Section 4.1(f), at the request of any such seller, the Company shall use its reasonable best efforts
to prepare a supplement or amendment to such prospectus so that, as thereafter delivered to the purchasers of such Registrable Securities,
such prospectus shall not contain an untrue statement of a material fact or omit to state any fact necessary to make the statements therein
not misleading;

 

(vii) use
reasonable best efforts to cause all such Registrable Securities to be listed on each securities exchange on which similar securities
issued by the Company are then listed and, if not so listed, to be listed on a securities exchange and, without limiting the generality
of the foregoing, to arrange for at least two market makers to register as such with respect to such Registrable Securities with FINRA;

 

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(viii) use
reasonable best efforts to provide a transfer agent and registrar for all such Registrable Securities not later than the effective date
of such registration statement;

 

(ix) enter
into and perform such customary agreements (including underwriting agreements in customary form) and take all such other actions as the
Holders holding a majority of the Registrable Securities being sold or the underwriters, if any, reasonably request in order to expedite
or facilitate the disposition of such Registrable Securities (including, without limitation, effecting a stock split, combination of shares,
recapitalization or reorganization);

 

(x) make
available for inspection by any seller of Registrable Securities, any underwriter participating in any disposition pursuant to such registration
statement and any attorney, accountant or other agent retained by any such seller or underwriter, all financial and other records, pertinent
corporate and business documents and properties of the Company as shall be necessary to enable them to exercise their due diligence responsibility,
and cause the Company’s officers, directors, employees, agents, representatives and independent accountants to supply all information
reasonably requested by any such seller, underwriter, attorney, accountant or agent in connection with such registration statement;

 

(xi) take
all reasonable actions to ensure that any Free-Writing Prospectus utilized in connection with any Demand Registration or Piggyback Registration
hereunder complies in all material respects with the Securities Act, is filed in accordance with the Securities Act to the extent required
thereby, is retained in accordance with the Securities Act to the extent required thereby and, when taken together with the related prospectus,
shall not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements therein, in
the light of the circumstances under which they were made, not misleading;

 

(xii) otherwise
use its reasonable best efforts to comply with all applicable rules and regulations of the SEC and make available to its security holders,
as soon as reasonably practicable, an earnings statement covering the period of at least twelve (12) months beginning with the first day
of the Company’s first full calendar quarter after the effective date of the registration statement, which earnings statement shall
satisfy the provisions of Section 11(a) of the Securities Act and Rule 158;

 

(xiii) permit
any Holder which holder, in its sole and exclusive judgment, might be deemed to be an underwriter or a controlling person of the Company
to participate in the preparation of such registration or comparable statement and to allow such holder to provide language for insertion
therein, in form and substance reasonably satisfactory to the Company, which in the reasonable judgment of such holder and its counsel
should be included;

 

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(xiv) in
the event of the issuance of any stop order suspending the effectiveness of a registration statement or the issuance of any order suspending
or preventing the use of any related prospectus or suspending the qualification of any shares of Common Stock included in such registration
statement for sale in any jurisdiction, use reasonable best efforts promptly to obtain the withdrawal of such order;

 

(xv) use
its reasonable best efforts to cause such Registrable Securities covered by such registration statement to be registered with or approved
by such other governmental agencies or authorities as may be necessary to enable the sellers thereof to consummate the disposition of
such Registrable Securities;

 

(xvi) cooperate
with the Holders covered by the registration statement and the managing underwriter or agent, if any, to facilitate the timely preparation
and delivery of certificates (not bearing any restrictive legends) representing securities to be sold under the registration statement
and enable such securities to be in such denominations and registered in such names as the managing underwriter, or agent, if any, or
such holders may request;

 

(xvii) cooperate
with each Holder covered by the registration statement and each underwriter or agent participating in the disposition of such Registrable
Securities and their respective counsel in connection with any filings required to be made with FINRA;

 

(xviii) use
its reasonable best efforts to make available the executive officers of the Company to participate with the Holders and any underwriters
in any “road shows” or other selling efforts that may be reasonably requested by the Holders in connection with the methods
of distribution for the Registrable Securities;

 

(xix) in
the case of any underwritten offering, use its reasonable best efforts to obtain one or more comfort letters from the Company’s
independent public accountants in customary form and covering such matters of the type customarily covered by comfort letters;

 

(xx) in
the case of an underwritten offering, use its reasonable best efforts to provide a legal opinion of the Company’s outside counsel,
dated the effective date of such registration statement (and, if such registration includes an underwritten Public Offering, dated the
date of the closing under the underwriting agreement), the registration statement, each amendment and supplement thereto, the prospectus
included therein (including the preliminary prospectus) and such other documents relating thereto in customary form and covering such
matters of the type customarily covered by legal opinions of such nature, which opinion shall be addressed to the underwriters;

 

(xxi) if
the Company files an Automatic Shelf Registration Statement covering any Registrable Securities, use its reasonable best efforts to remain
a WKSI (and not become an ineligible issuer (as defined in Rule 405 under the Securities Act)) during the period during which such Automatic
Shelf Registration Statement is required to remain effective and, if WKSI status is lost, to file an amendment to the Automatic Shelf
Registration Statement to convert it into a Shelf Registration Statement as promptly as practicable;

 

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(xxii) if
the Company does not pay the filing fee covering the Registrable Securities at the time an Automatic Shelf Registration Statement is filed,
pay such fee at such time or times as the Registrable Securities are to be sold; and

 

(xxiii) if
the Automatic Shelf Registration Statement has been outstanding for at least three (3) years, at the end of the third year, refile a new
Automatic Shelf Registration Statement covering the Registrable Securities, and, if at any time when the Company is required to re-evaluate
its WKSI status the Company determines that it is not a WKSI, use its reasonable best efforts to refile the Shelf Registration Statement
on Form S-3 and, if such form is not available, Form S-1 and keep such registration statement effective during the period during which
such registration statement is required to be kept effective.

 

(b) If
the Company files any Automatic Shelf Registration Statement for the benefit of the holders of any of its securities other than the Holders,
and the Holders do not request that their Registrable Securities be included in such Shelf Registration Statement, the Company agrees
that, once it is eligible to rely on Rule 430B, at the request of the Holders holding a majority of the Registrable Securities, it shall
include in such Automatic Shelf Registration Statement such disclosures as may be required by Rule 430B in order to ensure that the Holders
may be added to such Shelf Registration Statement at a later time through the filing of a prospectus supplement rather than a post-effective
amendment.

 

(c) The
Company may require each seller of Registrable Securities as to which any registration is being effected to furnish the Company such information
required by law to be included in such registration regarding such seller and the distribution of such securities as the Company may from
time to time reasonably request in writing.

 

(d) If
Platinum, Blackstone, ECP, the Sponsors or any of their respective Affiliates seek to effectuate an in-kind distribution of all or part
of their respective Registrable Securities to their respective direct or indirect equityholders, the Company shall, subject to any applicable
lock-ups, use reasonable best efforts to facilitate such in-kind distribution in the manner reasonably requested.

 

Section 4.5 Registration
Expenses.

 

(a) The
Company’s Obligation. All expenses incident to the Company’s performance of or compliance with this ARTICLE IV
(including, without limitation, all registration, qualification and filing fees, including FINRA filing fees, fees and expenses of compliance
with securities or blue sky laws, printing expenses, transfer agent fees and expenses, travel expenses, messenger and delivery expenses,
fees and disbursements of custodians, and fees and disbursements of counsel for the Company and all independent certified public accountants,
underwriters, including, if necessary, a “qualified independent underwriter” (as such term is defined by FINRA) (excluding
underwriting discounts and commissions), and other Persons retained by the Company) (all such expenses being herein called “Registration
Expenses”), shall be borne by the Company, and the Company shall, in any event, pay its internal expenses (including, without
limitation, all salaries and expenses of its officers and employees performing legal or accounting duties), the expense of any annual
audit or quarterly review, the expense of any liability insurance and the expenses and fees for listing the securities to be registered
on each securities exchange on which similar securities issued by the Company are then listed. Each Person that sells securities pursuant
to a Demand Registration, Shelf Offering or Piggyback Registration hereunder shall bear and pay all underwriting discounts and commissions
applicable to the securities sold for such Person’s account (provided, however, that such underwriting discounts and
commissions applicable to Registrable Securities will be the same per share as those applicable to Registrable Securities held be the
Demand Holders included in such Demand Registration, Shelf Offering or Piggyback Registration).

 

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(b) Counsel
Fees and Disbursements. In connection with each Demand Registration, each Piggyback Registration and each Shelf Offering that is an
underwritten offering, the Company shall reimburse the Holders participating in such registration (i) for the reasonable fees and disbursements
of one counsel chosen by the Holders holding a majority of the Registrable Securities included in such registration or participating in
such Shelf Offering and (ii) for the reasonable fees and disbursements of each additional counsel retained by any holder for the purpose
of rendering a legal opinion on behalf of any such holder in connection with any underwritten Demand Registration, Piggyback Registration
or Shelf Offering.

 

(c) Security
Holders. To the extent any expenses are not required to be paid by the Company, each holder of securities included in any registration
hereunder shall pay those expenses allocable to the registration of such holder’s securities so included in proportion to the aggregate
selling price of the securities to be so registered.

 

Section 4.6 Indemnification
and Contribution.

 

(a) By
the Company. The Company shall indemnify and hold harmless, to the extent permitted by applicable Law, each Holder, such Holder’s
officers, directors employees, agents and representatives, and each Person who controls such holder (within the meaning of the Securities
Act) (the “Indemnified Parties”) against all losses, claims, actions, damages, liabilities and expenses (including
with respect to actions or proceedings, whether commenced or threatened, and including reasonable attorney fees and expenses) caused by,
resulting from, arising out of, based upon or related to any of the following statements, omissions or violations by the Company: (i)
any untrue or alleged untrue statement of material fact contained in any registration statement, prospectus, preliminary prospectus or
Free-Writing Prospectus, or any amendment thereof or supplement thereto or (B) any application or other document or communication (in
this Section 4.6(a), collectively called an “application”) executed by or on behalf of the Company or based upon written
information furnished by or on behalf of the Company filed in any jurisdiction in order to qualify any securities covered by such registration
under the securities laws thereof, (ii) any omission or alleged omission of a material fact required to be stated therein or necessary
to make the statements therein not misleading or (iii) any violation or alleged violation by the Company of the Securities Act or any
other similar federal or state securities laws or any rule or regulation promulgated thereunder applicable to the Company and relating
to action or inaction required of the Company in connection with any such registration, qualification or compliance. In addition, the
Company will reimburse such Indemnified Party for any legal or any other expenses reasonably incurred by them in connection with investigating
or defending any such losses. Notwithstanding the foregoing, the Company shall not be liable in any such case to the extent that any such
losses result from, arise out of, are based upon, or relate to an untrue statement or alleged untrue statement, or omission or alleged
omission, made in such registration statement, any such prospectus, preliminary prospectus or Free-Writing Prospectus or any amendment
or supplement thereto, or in any application, in reliance upon, and in conformity with, written information prepared and furnished in
writing to the Company by such Indemnified Party expressly for use therein or by such Indemnified Party’s failure to deliver a copy
of the registration statement or prospectus or any amendments or supplements thereto after the Company has furnished such Indemnified
Party with a sufficient number of copies of the same. In connection with an underwritten offering, the Company shall indemnify such underwriters,
their officers and directors, and each Person who controls such underwriters (within the meaning of the Securities Act) to the same extent
as provided above with respect to the indemnification of the Indemnified Parties.

 

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(b) By
each Holder. In connection with any registration statement in which a Holder is participating, each such Holder shall furnish to the
Company in writing such information and affidavits as the Company reasonably requests for use in connection with any such registration
statement or prospectus and, to the extent permitted by law, shall indemnify the Company, its officers, directors, employees, agents and
representatives, and each Person who controls the Company (within the meaning of the Securities Act) against any losses, claims, damages,
liabilities and expenses resulting from any untrue or alleged untrue statement of material fact contained in the registration statement,
prospectus or preliminary prospectus or any amendment thereof or supplement thereto or any omission or alleged omission of a material
fact required to be stated therein or necessary to make the statements therein not misleading, but only to the extent that such untrue
statement or omission is contained in any information or affidavit so furnished in writing by such Holder expressly for use in such registration
statement; provided, however, that the obligation to indemnify shall be individual, not joint and several, for each Holder
and shall be limited to the net amount of proceeds received by such Holder from the sale of Registrable Securities pursuant to such registration
statement.

 

(c) Claim
Procedure. Any Person entitled to indemnification hereunder shall (i) give prompt written notice to the indemnifying party of any
claim with respect to which it seeks indemnification (provided, however, that the failure to give prompt notice shall impair
any Person’s right to indemnification hereunder only to the extent such failure has prejudiced the indemnifying party) and (ii)
unless in such indemnified party’s reasonable judgment a conflict of interest between such indemnified and indemnifying parties
may exist with respect to such claim, permit such indemnifying party to assume the defense of such claim with counsel reasonably satisfactory
to the indemnified party. If such defense is assumed, the indemnifying party shall not be subject to any liability for any settlement
made by the indemnified party without its consent (but such consent shall not be unreasonably withheld, conditioned or delayed). An indemnifying
party who is not entitled to, or elects not to, assume the defense of a claim shall not be obligated to pay the fees and expenses of more
than one counsel for all parties indemnified by such indemnifying party with respect to such claim, unless in the reasonable judgment
of any indemnified party a conflict of interest may exist between such indemnified party and any other of such indemnified parties with
respect to such claim. In such instance, the conflicted indemnified parties shall have a right to retain one separate counsel, chosen
by the Holders holding a majority of the Registrable Securities included in the registration if such Holders are indemnified parties,
at the expense of the indemnifying party.

 

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(d) Contribution.
If the indemnification provided for in this Section 4.6(a) or (b) is held by a court of competent jurisdiction to be unavailable
to, or is insufficient to hold harmless, an indemnified party or is otherwise unenforceable with respect to any loss, claim, damage, liability
or action referred to herein, then the indemnifying party shall contribute to the amounts paid or payable by such indemnified party as
a result of such loss, claim, damage, liability or action in such proportion as is appropriate to reflect the relative fault of the indemnifying
party on the one hand and of the indemnified party on the other hand in connection with the statements or omissions which resulted in
such loss, claim, damage, liability or action as well as any other relevant equitable considerations; provided, however,
that the maximum amount of liability in respect of such contribution shall be limited, in the case of each seller of Registrable Securities,
to an amount equal to the net proceeds actually received by such seller from the sale of Registrable Securities effected pursuant to such
registration. The relative fault of the indemnifying party and of the indemnified party shall be determined by reference to, among other
things, whether the untrue or alleged untrue statement of a material fact or the omission to state a material fact relates to information
supplied by the indemnifying party or by the indemnified party and the parties’ relative intent, knowledge, access to information
and opportunity to correct or prevent such statement or omission. The parties hereto agree that it would not be just or equitable if the
contribution pursuant to this Section 4.6(d) were to be determined by pro rata allocation or by any other method of allocation
that does not take into account such equitable considerations. The amount paid or payable by an indemnified party as a result of the losses,
claims, damages, liabilities or expenses referred to herein shall be deemed to include any legal or other expenses reasonably incurred
by such indemnified party in connection with investigating or defending against any action or claim which is the subject hereof. No person
guilty of fraudulent misrepresentation (within the meaning of Section 11(f) of the Securities Act) shall be entitled to contribution from
any Person who is not guilty of such fraudulent misrepresentation.

 

(e) Release.
No indemnifying party shall, except with the consent of the indemnified party, consent to the entry of any judgment or enter into any
settlement that does not include as an unconditional term thereof giving by the claimant or plaintiff to such indemnified party of a release
from all liability in respect to such claim or litigation.

 

(f) Non-exclusive
Remedy; Survival. The indemnification and contribution provided for under this Section 4.6 shall be in addition to any other
rights to indemnification or contribution that any indemnified party may have pursuant to Law or contract and shall remain in full force
and effect regardless of any investigation made by or on behalf of the indemnified party or any officer, director or controlling Person
of such indemnified party and shall survive the transfer of Registrable Securities and the termination or expiration of this Agreement.

 

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Section 4.7 Underwritten
Offerings. No Person may participate in any registration hereunder which is underwritten unless
such Person: (a) agrees to sell the same class and type of securities on the basis provided in any underwriting arrangements
approved by the Person or Persons entitled hereunder to approve such arrangements (including, without limitation, pursuant to any
over-allotment or “green shoe” option requested by the underwriters; provided, however, that no Holder
shall be required to sell more than the number of Registrable Securities such Holder has requested to include); (b) completes and
executes all questionnaires, indemnities, underwriting agreements and other documents reasonably required of all holders of
securities being included in such registration under the terms of such underwriting arrangements; and (c) completes and executes all
powers of attorney and custody agreements as reasonably requested by the managing underwriters; provided, however,
that no Holder included in any underwritten registration shall be required to make any representations or warranties to the Company
or the underwriters (other than representations and warranties regarding such holder and such holder’s intended method of
distribution) or to undertake any indemnification obligations to the Company or the underwriters with respect thereto that are
materially more burdensome than those provided in Section 4.6 or those provided by the other Holders participating in such
underwritten registration. For the avoidance of doubt, each Holder shall execute such customary powers of attorney or custody
agreements as are requested by the managing underwriters, appointing as power of attorney or custodian such persons as reasonably
requested by the Holders holding the majority of the Registrable Securities. Each Holder shall execute and deliver such other
agreements as may be reasonably requested by the Company and the lead managing underwriter(s) that are consistent with such
Holder’s obligations under Section 4.3, Section 4.4 and this Section 4.7 or that are necessary to give
further effect thereto. To the extent that any such agreement is entered into pursuant to, and consistent with, Section 4.3
and this Section 4.7, the respective rights and obligations created under such agreement shall supersede the respective
rights and obligations of the Holders, the Company and the underwriters created pursuant to this Section 4.7. In the case of
any registration hereunder that is underwritten which is requested by the Demand Holders, the price, underwriting discount and other
financial terms of the related underwriting agreement for such securities shall be determined by the Holders holding a majority of
the Registrable Securities requesting such underwritten offering, provided, however, that such price, underwriting
discount and other financial terms shall be applicable pari passu among all Registrable Securities included in such
registration on a pro rata basis.

 

Section 4.8 Additional
Parties; Joinder. Subject to the prior written consent of the Holders holding a majority of the Registrable
Securities and except as provided in Section 5.1(b), the Company may permit any Person who acquires shares of Common Stock or
rights to acquire shares of Common Stock from the Company after the date hereof to become a party to this Agreement and to succeed to
all of the rights and obligations of a “Holder” under this Agreement by obtaining an executed joinder to this Agreement from
such Person in the form of Exhibit B (a “Joinder”). Upon the execution and delivery of a Joinder by such Person,
the shares of Common Stock acquired by such Person (the “Acquired Common”) shall be Registrable Securities hereunder,
such Person shall be a “Holder” under this Agreement with respect to the Acquired Common, and the Company shall add such
Person’s name and address to the appropriate schedule hereto and circulate such information to the parties to this Agreement.

 

Section 4.9 Current Public
Information. The Company shall file all reports required to be filed by it under the Securities Act
and the Exchange Act and shall take such further action as any holder or Holders may reasonably request, all to the extent required to
enable such Holders to sell Registrable Securities pursuant to Rule 144. Upon request, the Company shall deliver to any Holder a written
statement as to whether it has complied with such requirements.

 

Section 4.10 Subsidiary
Public Offering. If, after an initial Public Offering of the Equity Interests of one of its Subsidiaries,
the Company distributes securities of such Subsidiary to its equity holders, then the rights and obligations of the Company pursuant
to this Agreement shall apply, mutatis mutandis, to such Subsidiary, and the Company shall cause such Subsidiary to comply with
such Subsidiary’s obligations under this Agreement.

 

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ARTICLE
V

MISCELLANEOUS, DEFINITIONS

 

Section 5.1 Assignment;
Benefit of Parties.

 

(a) Subject
to Section 5.1(b) and Section 5.1(c), this Agreement shall not be assignable or otherwise transferable by any Party without
the prior written consent of the other Parties, and any purported assignment or other transfer without such consent shall be null and
void. Nothing herein contained shall confer or is intended to confer on any third party or entity that is not a party to this Agreement
any rights under this Agreement.

 

(b) The
rights to cause the Company to register Registrable Securities under ARTICLE IV may be transferred or assigned by each Holder to
one or more transferees or assignees of Registrable Securities; provided, however, that any such transferee or assignee
is an Affiliate of, and after such transfer or assignment continues to be an Affiliate of, such Holder and that each such transferee or
assignee assumes in writing responsibility for its portion of the obligations of such transferring Holder under ARTICLE IV.

 

(c) So
long as ECP and its Affiliates are the beneficial owners of a majority of the NESCO Holder Shares, at the written request of ECP, the
NESCO Holder shall assign to ECP (or to an Affiliate of ECP designated in writing by it), without any further consent required from any
other Party, all of its rights hereunder and, following such assignment, ECP (or an Affiliate designated in writing by it) shall be deemed
to be the “NESCO Holder” for all purposes hereunder; provided, however, that ECP (or its Affiliate designated
in writing) assumes in writing responsibility for its portion of the obligations of the NESCO Holder and that, if ECP designates an Affiliate
in writing, then such Affiliate shall continue to be an Affiliate of ECP at all times.

 

Section 5.2 Remedies.
The Parties shall be entitled to enforce their rights under this Agreement specifically, to recover damages by reason of any breach of
any provision of this Agreement and to exercise all other rights existing in their favor. The Parties agree and acknowledge that a breach
of this Agreement would cause irreparable harm and money damages would not be an adequate remedy for any such breach and that, in addition
to other rights and remedies hereunder, the Parties shall be entitled to specific performance and/or injunctive or other equitable relief
(without posting a bond or other security) from any court of Law or equity of competent jurisdiction in order to enforce or prevent any
violation of the provisions of this Agreement.

 

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Section 5.3 Notices.
Except as otherwise expressly provided herein, all notices, demands and other communications to be given or delivered under or by reason
of the provisions of this Agreement shall be in writing and shall be deemed to have been given (a) when personally delivered, (b) when
transmitted via electronic mail as of the date so transmitted (or, if transmitted after normal business hours, on the next Business Day
at the local time of the recipient), (c) the third Business Day following the day sent by reputable national overnight courier (with
written confirmation of receipt), or (d) the seventh Business Day following the day on which the same is sent by certified or registered
mail, postage prepaid, in each case to the respective parties hereto at the address set forth below, or at such other address as such
party may specify by written notice to the other party hereto:

 

(a) If
to the Company or the Management Holders:

 

Custom Truck One Source, Inc.

6714 Pointe Inverness Way, Suite 220

Fort Wayne, Indiana 46804

	 	Attention: 	Joshua A. Boone
	 	E-mail: 	josh.boone@nescorentals.com

 

with a copy (which alone shall not constitute notice) to:

 

Latham & Watkins LLP

555 11th Street, N.W., Suite 1000

Washington D.C. 20004

		Attn:	Paul Sheridan

			David Brown

		Email:	Paul.Sheridan@lw.com

		 	David.Brown@lw.com

 

(b) If
to the NESCO Holder or ECP:

 

Energy Capital Partners III, LLC

12680 High Bluff Drive, Suite 400

San Diego, California 92130

		Attention:	Rahman D’Argenio

		   	Chris Leininger

		Email:	rdargenio@ecpartners.com

		 	cleininger@ecpartners.com

 

(c) If
to the Sponsors:

 

Capitol Investment Corp. IV

1300 17th Street North, Suite 820

Arlington, Virginia 22209

		Attn:	Mark D. Ein, Chairman & CEO, and

			Dyson Dryden, President & CFO

		E-mail:	mark@capinvestment.com

		 	dyson@capinvestment.com

 

with a copy (which alone shall not constitute notice) to:

Latham & Watkins LLP

555 11th Street, N.W., Suite 1000

Washington D.C. 20004

		Attn:	Paul Sheridan

			David Brown

		Email:	Paul.Sheridan@lw.com

		 	David.Brown@lw.com

 

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(d) If
to Platinum:

 

Platinum Once Source Holdings, LLC

c/o Platinum Equity Advisors, LLC

1 Greenwich Office Park

North Building, Floor 2

Greenwich, CT 06831

Email: LSamson@platinumequity.com

Attn: Louis Samson

 

and

 

c/o Platinum Equity Advisors, LLC

360 North Crescent Drive, South Building

Beverly Hills, CA 90210

Attn: John Holland

Email: jholland@platinumequity.com

 

with a copy (which alone shall not constitute notice) to:

Hughes Hubbard & Reed LLP

One Battery Park Plaza

New York, NY 10004

E-mail Address: ken.lefkowitz@hugheshubbard.com

Attention: Kenneth A. Lefkowitz

 

(e) If
to Blackstone:

 

345 Park Avenue, 43rd Floor

New York, New York 10154

Attn: JP Munfa; Gregory Perez

Email: jp.munfa@blackstone.com

Gregory.perez@blackstone.com

 

with a copy (which alone shall not constitute notice) to:

Kirkland & Ellis LLP

609 Main Street

Houston, Texas 77002

Attention: Rhett A. Van Syoc, P.C.

Cyril V. Jones

E-mail: rhett.vansyoc@kirkland.com

cyril.jones@kirkland.com

 

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Section 5.4 Adjustments.
If, and as often as, there are any changes in the Common Stock by way of stock split, stock dividend, combination or reclassification,
or through merger, consolidation, reorganization, recapitalization or sale, or by any other means, appropriate adjustment shall be made
in the provisions of this Agreement, as may be required, so that the rights, privileges, duties and obligations hereunder shall continue
with respect to the Common Stock as so changed.

 

Section 5.5 No Strict
Construction. The language used in this Agreement shall be deemed to be the language chosen by the
Parties to express their mutual intent, and no rule of strict construction shall be applied against any Party.

 

Section 5.6 Further Assurances.
In order to effectuate the provisions of this Agreement, each Stockholder hereby agrees to take, in its capacity as a stockholder of
the Company, all actions reasonably necessary to give effect to the provisions of this Agreement (such actions, “Necessary Action”),
including, without limitation, (a) when any action or vote is required to be taken by such Stockholder pursuant to this Agreement, using
its commercially reasonable efforts to call, or cause the appropriate officers and Directors of the Company to call, one or more meetings
of the Company’s stockholders, to take such action or vote, (b) to attend all meetings of the Company’s stockholders in person
or by proxy for purposes of obtaining a quorum that are called for the election of Directors of the Company or for the purpose of taking
any action required by this Agreement, (c) to vote or cause to be voted all Equity Interests over which such Stockholder has voting power
at meetings of the Company’s stockholders or in actions of the Company’s stockholders by written consent so as to effectuate
the provisions of this Agreement and, (d) in the case of a Stockholder that has nominated a Director pursuant to Section 1.1,
to use its reasonable best efforts to cause the Board to adopt, either at a meeting of the Board or by unanimous written consent of the
Board, all the resolutions necessary to effectuate the provisions of this Agreement, including causing members of the Board to be removed
in accordance with the provisions of this Agreement.

 

Section 5.7 Counterparts.
This Agreement may be executed in one or more counterparts, and may be delivered by means of facsimile or electronic transmission in
portable document format, each of which shall be deemed to be an original and shall be binding upon the Party who executed the same,
but all of such counterparts shall constitute the same agreement.

 

Section 5.8 Governing
Law. This Agreement, and all claims or causes of action based upon, arising out of, or related to this
Agreement or the transactions contemplated hereby, shall be governed by, and construed in accordance with, the Laws of the State of Delaware,
without giving effect to principles or rules of conflict of Laws to the extent such principles or rules would require or permit the application
of Laws of another jurisdiction.

 

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Section 5.9 Jurisdiction;
WAIVER OF TRIAL BY JURY. Any Action based upon, arising out of or related to this Agreement or the
transactions contemplated hereby may be brought in federal and state courts located in the State of Delaware, and each of the Parties
irrevocably submits to the exclusive jurisdiction of each such court in any such Action, waives any objection it may now or hereafter
have to personal jurisdiction, venue or to convenience of forum, agrees that all claims in respect of the Action shall be heard and determined
only in any such court, and agrees not to bring any Action arising out of or relating to this Agreement or the transactions contemplated
hereby in any other court. Nothing herein contained shall be deemed to affect the right of any Party to serve process in any manner permitted
by Law or to commence legal proceedings or otherwise proceed against any other Party in any other jurisdiction, in each case, to enforce
judgments obtained in any Action brought pursuant to this Section 5.9. EACH OF THE PARTIES HEREBY IRREVOCABLY WAIVES ANY AND ALL
RIGHT TO TRIAL BY JURY IN ANY ACTION BASED UPON, ARISING OUT OF OR RELATED TO THIS AGREEMENT OR THE TRANSACTIONS CONTEMPLATED HEREBY.

 

Section 5.10 Indemnification.

 

(a) The
Company agrees to indemnify and hold harmless each of Platinum, ECP, Capitol, Blackstone and their respective directors, officers, partners,
members, direct and indirect owners, managers, Affiliates and controlling persons (each, an “Stockholder Indemnitee”)
from and against any and all liability, including, without limitation, all obligations, costs, fines, claims, actions, injuries, demands,
suits, judgments, proceedings, investigations, arbitrations (including stockholder claims, actions, injuries, demands, suits, judgments,
proceedings, investigations or arbitrations) and reasonable expenses, including reasonable accountant’s and reasonable attorney’s
fees and expenses (together the “Losses”), incurred by such Stockholder Indemnitee before or after the Effective Time
to the extent arising out of, resulting from, or relating to (i) such Stockholder Indemnitee’s purchase and/or ownership of any
Equity Interests or (ii) any litigation to which any Stockholder Indemnitee is made a party in its capacity as a stockholder or owner
of securities (or as a director, officer, partner, member, manager, Affiliate or controlling person of any of Platinum, ECP, Capitol or
Blackstone, as the case may be) of the Company; provided, however, that the foregoing indemnification rights in this Section
5.10(a) shall not be available to the extent that (i) any such Losses are incurred as a result of such Stockholder Indemnitee’s
willful misconduct or gross negligence; (ii) any such Losses are incurred as a result of non-compliance by such Stockholder Indemnitee
with any laws or regulations applicable to any of them; or (iii) subject to the rights of contribution provided for below, to the extent
indemnification for any Losses would violate any applicable Law or public policy. For purposes of this Section 5.10(a), none of
the circumstances described in the limitations contained in the proviso in the immediately preceding sentence shall be deemed to apply
absent a final non-appealable judgment of a court of competent jurisdiction to such effect, in which case to the extent any such limitation
is so determined to apply to any Stockholder Indemnitee as to any previously advanced indemnity payments made by the Company under this
Section 5.10(a), then such payments shall be promptly repaid by such Stockholder Indemnitee to the Company. The rights of any Stockholder
Indemnitee to indemnification hereunder will be in addition to any other rights any such party may have under any other agreement or instrument
to which such Stockholder Indemnitee is or becomes a party or is or otherwise becomes a beneficiary or under law or regulation. In the
event of any payment of indemnification pursuant to this Section 5.10(a), to the extent that any Stockholder Indemnitee is indemnified
for Losses, the Company will be subrogated to the extent of such payment to all of the related rights of recovery of the Stockholder Indemnitee
to which such payment is made against all other Persons. Such Stockholder Indemnitee shall execute all papers reasonably required to evidence
such rights. The Company will be entitled at its election to participate in the defense of any third party claim upon which indemnification
is due pursuant to this Section 5.10(a) or to assume the defense thereof, with counsel reasonably satisfactory to such Stockholder
Indemnitee unless, in the reasonable judgment of the Stockholder Indemnitee, a conflict of interest between the Company and such Stockholder
Indemnitee may exist, in which case such Stockholder Indemnitee shall have the right to assume its own defense and the Company shall be
liable for all reasonable expenses therefor. Except as set forth above, should the Company assume such defense all further defense costs
of the Stockholder Indemnitee in respect of such third party claim shall be for the sole account of such party and not subject to indemnification
hereunder. The Company will not without the prior written consent of the Stockholder Indemnitee (which consent shall not be unreasonably
withheld) effect any settlement of any threatened or pending third party claim in which such Stockholder Indemnitee is or could have been
a party and be entitled to indemnification hereunder unless such settlement solely involves the payment of money and includes an unconditional
release of such Stockholder Indemnitee from all liability and claims that are the subject matter of such claim. If the indemnification
provided for above is unavailable in respect of any Losses, then the Company, in lieu of indemnifying a Stockholder Indemnitee, shall,
if and to the extent permitted by Law, contribute to the amount paid or payable by such Stockholder Indemnitee in such proportion as is
appropriate to reflect the relative fault of the Company and such Stockholder Indemnitee in connection with the actions which resulted
in such Losses, as well as any other equitable considerations.

 

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(b) The
Company agrees to pay or reimburse each Stockholder for all reasonable, out-of-pocket costs and expenses of such Stockholder (including
reasonable attorneys’ fees, charges, disbursement and expenses) incurred in connection with the enforcement or exercise by such
Stockholder of any right granted to it or provided for hereunder.

 

Section 5.11 Entire Agreement.
This Agreement and the agreements referenced herein constitute the entire agreement among the Parties relating to the transactions contemplated
hereby and supersede any other agreements, whether written or oral, that may have been made or entered into by or among any of the Parties
or any of their respective Subsidiaries relating to the transactions contemplated hereby.

 

Section 5.12 Severability.
If any provision of this Agreement is held invalid or unenforceable by any court of competent jurisdiction, the other provisions of this
Agreement shall remain in full force and effect. The Parties further agree that if any provision contained herein is, to any extent,
held invalid or unenforceable in any respect under the Laws governing this Agreement or the applicable rules and regulations of the Approved
Stock Exchange, the remaining provisions of this Agreement shall be reformed, construed and enforced to the fullest extent permitted
by Law or the applicable rules and regulations of the Approved Stock Exchange and to the extent necessary to give effect to the intent
of the Parties, and the Parties shall take all actions reasonably necessary to cause such reformation, construction or enforcement.

 

Section 5.13 Amendment
and Waiver. Except as otherwise provided herein, no modification, amendment or waiver of any provision
of this Agreement shall be effective against the Parties unless such modification is approved in writing by the Parties. The failure
of any Party to enforce any of the provisions of this Agreement shall in no way be construed as a waiver of such provisions and shall
not affect the right of such Party thereafter to enforce each and every provision of this Agreement in accordance with its terms.

 

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Section 5.14 Termination.
This Agreement shall expire and terminate automatically at such time as none of Platinum, Blackstone, ECP or Capitol has the right to
nominate a nominee pursuant to Section 1.1(a); provided, however, this Agreement shall expire and terminate automatically
with respect to each of Platinum, Blackstone, ECP or Capitol, as applicable, at such time as such Party no longer Beneficially Owns any
shares of Common Stock; provided, further, however, that Section 1.1(h), Section 1.1(j), Section
2.1, Section 2.2, Section 4.6 and ARTICLE V shall survive the termination of this Agreement (whether in whole
or with respect to any particular Party).

 

Section 5.15 Enforcement.
Each of the Parties covenant and agree that the disinterested Directors have the right to enforce, waive or take any other action with
respect to this Agreement on behalf of the Company.

 

Section 5.16 Definitions.

 

“Action”
means any action, claim, demand, litigation, suit, counter suit, civil charge, criminal proceeding, complaint, dispute, examination, injunction,
hearing, investigation, inquiry, audit, settlement, mediation, arbitration or other legal or administrative proceeding of any sort by
or before any Governmental Authority.

 

“Affiliate”
means, with respect to any specified Person, any Person that, directly or indirectly, controls, is controlled by, or is under common control
with, such specified Person, through one or more intermediaries or otherwise. “Affiliates” with respect to Platinum, Blackstone,
ECP and Capitol, respectively, shall not include the Company or its Subsidiaries.

 

“Annual Meeting”
means any meeting of the stockholders of the Company held for the purpose of electing the Directors of the Company.

 

“Approved Stock Exchange”
means the Nasdaq, the New York Stock Exchange or any other national securities exchange on which any of the Common Stock of the Company
is listed.

 

“Beneficially Own”
(including its correlative meanings, “Beneficial Owner” and “Beneficial Ownership”) has the meaning ascribed to
it in Section 13(d) of the Exchange Act; provided, however, that a Person shall not be deemed to have Beneficial Ownership of an Equity
Interest (including Common Stock) unless it has the pecuniary interest in such Equity Interest.

 

“Blackstone Director”
means the individual elected to the Board that has been nominated by Blackstone pursuant to this Agreement.

 

“Blackstone Registrable
Securities” means the Registrable Securities held by Blackstone and its Affiliates and any Person to whom it transfers or assigns
its rights hereunder in accordance with Section 5.1(b).

 

“Board” means
the board of directors of the Company.

 

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“Business Day”
means a day other than a Saturday, Sunday or other day on which commercial banks in New York, New York, are authorized or required by
Law to close.

 

“Capitol Director”
means the individual elected to the Board that has been nominated by Capitol pursuant to this Agreement.

 

“Chairperson”
means the chairperson of the Board.

 

“Change in Control”
means the occurrence of the following event: any one Person (other than Platinum and its Affiliates), or more than one Person that are
Affiliates or that are acting as a group (excluding Platinum and its Affiliates), acquiring ownership of Equity Interests of the Company
which, together with the Equity Interests held by such Person, such Person and its Affiliates or such group, constitutes more than 50%
of the total voting power or economic rights of the Equity Interests of the Company; provided, however, that to the extent
such Person(s) acquire(s) ownership of more than 50% of the total voting power or economic rights of the Equity Interests of the Company
through one or more transactions, the “price per share” paid or payable to the stockholders of the Company for purposes of
Section 2.1(d) and Section 2.2(c) shall be the last price per share paid by such Person(s) in connection with all such transactions.

 

“Change in Control
Consideration” means the amount per share to be received by a holder of shares of Common Stock in connection with a Change in
Control, with any non-cash consideration valued as determined by the value ascribed to such consideration by the parties to such transaction.

 

“Common Stock Price”
means, on any date after the Effective Time, the closing sale price per share of Common Stock reported as of 4:00 p.m., New York, New
York time on such date by Bloomberg, or if not available on Bloomberg, as reported by Morningstar.

 

“Director”
means a member of the Board until such individual’s death, disability, disqualification, resignation or removal.

 

“ECP Director”
means the individual elected to the Board that has been nominated by ECP pursuant to this Agreement.

 

“ECP Registrable Securities”
means the Registrable Securities held by ECP and any Affiliate of ECP to whom ECP transfers or assigns its rights hereunder in accordance
with Section 5.1(b).

 

“Equity Interests”
means, with respect to any Person, any and all shares, interests, participations, or other equivalents, including membership interests
(however designated, whether voting or nonvoting or certificated or noncertificated), of equity of such Person, including, if such Person
is a partnership, partnership interests (whether general or limited) and any other interest or participation that confers on a Person
the right to receive a share of the profits and losses of, or distributions of property of, such partnership, including all securities
convertible or exchangeable for such equity and all options, warrants and other rights to purchase or otherwise acquire such equity.

 

    40

     

    

 

“Exchange Act”
means the Securities Exchange Act of 1934, as amended from time to time, or any successor federal law then in force, together with all
rules and regulations promulgated thereunder.

 

“FINRA” means
the Financial Industry Regulatory Authority.

 

“Free-Writing Prospectus”
means a free-writing prospectus, as defined in Rule 405.

 

“Governmental Authority”
means any federal, state, provincial, municipal, local or foreign government, governmental authority, regulatory or administrative agency,
governmental commission, department, board, bureau, agency or instrumentality, court or tribunal.

 

“Governmental Order”
means any order, judgment, injunction, decree, writ, stipulation, determination or award, in each case, entered by or with any Governmental
Authority.

 

“Holder”
means a Stockholder that holds Registrable Securities.

 

“Law” means
any statute, law, ordinance, rule, regulation or Governmental Order, in each case, of any Governmental Authority.

 

“Maximum Target NESCO
Holder Earnout Shares” means, with respect to NESCO Holder, 1,651,798 shares of NESCO Holder Earnout Shares.

 

“Maximum Target Sponsor
Earnout Shares” means, with respect to each Sponsor, the shares of Common Stock noted as Maximum Target Sponsor Earnout Shares
set forth next to such Sponsor’s name on Exhibit A.

 

“Merger Effective Time”
means July 31, 2019.

 

“Minimum Target NESCO
Holder Earnout Shares” means, with respect to NESCO Holder, 900,000 shares of NESCO Holder Earnout Shares.

 

“Minimum Target Sponsor
Earnout Shares” means, with respect to each Sponsor, the shares of Common Stock noted as Minimum Target Sponsor Earnout Shares
set forth next to such Sponsor’s name on Exhibit A.

 

“NESCO Holder Earnout
Shares” means the Earnout Shares issued pursuant to Section 2.06(g) of the Merger Agreement.

 

“NESCO Holder Shares”
means any shares of Common Stock held by the NESCO Holder.

 

“Non-Fully Diluted
Basis” means all shares of Common Stock issued and outstanding, excluding the Sponsor Earnout Shares to the extent such Sponsor
Earnout Shares remain subject to forfeiture pursuant to Section 2.1.

 

“Other Holders”
means any Person that has become bound by the provisions of Article IV by executing a Joinder.

 

    41

     

    

 

“Permitted Transferee”
means, with respect to any Person, (i) the direct or indirect partners, members, equity holders or other Affiliates of such Person, or
(ii) any of such Person’s related investment funds or vehicles controlled or managed by such
Person or Affiliate of such Person.

 

“Person”
means any individual, firm, corporation, partnership, limited liability company, incorporated or unincorporated association, joint venture,
joint stock company, governmental agency or instrumentality or other entity of any kind.

 

“Platinum Director”
means an individual elected to the Board that has been nominated by Platinum pursuant to this Agreement or otherwise in accordance with
the Bylaws.

 

“Platinum Director
Nomination Threshold” means that Platinum, together with its Affiliates, Beneficially Owns a number of shares of Common Stock
that is equal to or greater than 50% of the total number of shares of Common Stock issued and outstanding (on a Non-Fully Diluted Basis).

 

“Platinum Ownership
Threshold” means that Platinum, together with its Affiliates, Beneficially Owns a number of shares of Common Stock that is (a)
equal to or greater than 30% of the total number of shares of Common Stock issued and outstanding and (b) greater than the number of shares
of Common Stock owned by any other Person or group of Affiliated Persons (in each of cases (a) and (b) of this sentence, on a Non-Fully
Diluted Basis).

 

“Platinum Registrable
Securities” means the Registrable Securities held by a Platinum, its Affiliates and any Person to whom it transfers or assigns
its rights hereunder in accordance with Section 5.1(b).

 

“Public Offering”
means any sale or distribution by the Company and/or Holders to the public of shares of Common Stock pursuant to an offering registered
under the Securities Act.

 

“Registrable Securities”
means (a) any shares of Common Stock held by a Demand Holder or any Other Holder (including, for the avoidance of doubt, any Earnout Shares
(as defined in the Merger Agreement) and Sponsor Earnout Shares), in each case, upon the issuance thereof or lapse of transfer restrictions
applicable thereto), (b) any Warrants issued to or held by ECP, any Sponsor or any Other Holder or any shares of Common Stock issued or
issuable upon exercise thereof, and (c) any Equity Interests of the Company or any Subsidiary of the Company issued or issuable with respect
to the securities referred to in clause (a) or (b) above by way of dividend, distribution, split or combination of securities,
or any recapitalization, merger, consolidation or other reorganization. As to any particular Registrable Securities, such securities shall
cease to be Registrable Securities when they have been (i) sold or distributed pursuant to a Public Offering, (ii) sold in compliance
with Rule 144 or (iii) repurchased by the Company or a Subsidiary of the Company. For purposes of this Agreement, a Person shall be deemed
to be a Holder and the Registrable Securities shall be deemed to be in existence, in each case, whenever such Person has the right to
acquire, directly or indirectly, such Registrable Securities (upon conversion or exercise in connection with a transfer of securities
or otherwise, but disregarding any restrictions or limitations upon the exercise of such right), whether or not such acquisition has actually
been effected, and such Person shall be entitled to exercise the rights of a Holder hereunder. Notwithstanding anything to the contrary
in this Agreement, the Sponsor Earnout Shares shall not be deemed Registrable Securities unless and until the restrictions set forth in
this Agreement shall have ceased to apply in accordance with the terms thereof.

 

    42

     

    

 

“Rule 144,”
“Rule 158,” “Rule 405,” “Rule 415” and “Rule 430B” mean, in
each case, such rule promulgated under the Securities Act (or any successor provision) by the SEC, as the same shall be amended from time
to time, or any successor rule then in force.

 

“SEC” means
the United States Securities and Exchange Commission.

 

“Second Target NESCO
Holder Earnout Shares” means, with respect to NESCO Holder, 900,000 shares of NESCO Holder Earnout Shares.

 

“Second Target Sponsor
Earnout Shares” means, with respect to each Sponsor, the shares of Common Stock noted as Second Target Sponsor Earnout Shares
set forth next to such Sponsor’s name on Exhibit A.

 

“Securities Act”
means the Securities Act of 1933, as amended from time to time, or any successor federal law then in force, together with all rules and
regulations promulgated thereunder.

 

“Sponsor Earnout Shares”
means, collectively, the Minimum Target Sponsor Earnout Shares, the Second Target Sponsor Earnout Shares and the Maximum Target Sponsor
Earnout Shares.

 

“Sponsor Registrable
Securities” means the Registrable Securities held by a Sponsor, its Affiliates and any Person to whom it transfers or assigns
its rights hereunder in accordance with Section 5.1(b).

 

“Stockholder”
means any holder of Common Stock that is or becomes a party to this Agreement from time to time in accordance with the provisions hereof.

 

“Subsidiary”
means, with respect to any Person, any corporation, partnership, limited liability company, joint venture or other legal entity of any
kind of which such Person (either alone or through or together with one or more of its other Subsidiaries), owns, directly or indirectly,
more than 50% of the Equity Interests the holders of which are (a) generally entitled to vote for the election of the board of directors
or other governing body of such legal entity or (b) generally entitled to share in the profits or capital of such legal entity.

 

“Transfer”
means any (a) sale, transfer, assignment, hypothecation, pledge, encumbrance or other disposition of (whether with or without consideration
and whether voluntary or involuntary or by operation of Law) of Common Stock, (b) hedge, swap, forward contract or other similar transaction
that is designed to or which would reasonably be expected to lead to or result in a sale or disposition of Beneficial Ownership of, or
pecuniary interest in, Common Stock or (c) sale of, or trade in, derivative securities representing the right to vote or economic benefits
of Common Stock.. “Transferable” and “Transferee” shall each have a correlative meaning.

 

    43

     

    

 

“Vote” with
respect to any Director, shall mean the vote of such Director when voting for or against the passing of any resolutions of the Board or
any committee thereof and in respect of any determination of quorum present with respect to any matter.

 

“Voting Securities”
shall mean, at any time of determination, shares of any class of Equity Interests of the Company that are then entitled to vote generally
in the election of Directors.

 

“Warrants”
means the Company’s warrants, each exercisable for one share of Common Stock.

 

“WKSI” means
a “well-known seasoned issuer” as defined under Rule 405.

 

Other defined terms:

 

	Acquired Common	4.8
	Agreement	Preamble
	Automatic Shelf Registration Statement	4.1(a)
	Blackstone	Preamble
	Common Stock	Recitals
	Company	Preamble
	CTOS	Recitals
	Demand Holders	4.1(a)
	Demand Registrations	4.1(a)
	Drag Shares	3.3(a)
	ECP	Preamble
	Effective Time	Preamble
	Election Support Efforts	Section 1.1(c)
	End of Suspension Notice	4.1(f)(iii)
	Holdback Period	4.3(a)
	Indemnified Parties	4.6(a)
	Joinder	4.8
	Lockup Period	3.1(a)
	Long-Form Registrations	4.1(a)
	Losses	5.10(a)
	Management Holder	Preamble
	Management Holders	Preamble
	Maximum Target	2.1(c)
	Merger Agreement	Recitals
	Minimum Target	2.1(c)
	Necessary Action	5.6
	NESCO Holder	Preamble
	Nominee	1.1(a)
	Operating Council	1.3
	Participating Stockholder	3.1(b)
	Parties	Preamble
	Party	Preamble
	Piggyback Registration	4.2(a)

 

    44

     

    

 

	Platinum	Preamble
	Prior Agreements	Recitals
	Qualifying Stockholder	3.1(a)
	Registration Expenses	4.5(a)
	Registration Lockup Period	4.1(a)
	Required Sale	3.3(a)
	Required Sale Notice	3.3(a)
	Sale Proposal	3.3(a)
	Sale Transaction	4.3(a)
	Second Target	2.1(c)
	Securities	4.3(a)
	Shelf Offering	4.1(d)
	Shelf Offering Notice	4.1(d)
	Shelf Registrable Securities	4.1(d)
	Shelf Registration	4.1(a)
	Shelf Registration Statement	4.1(d)
	Short-Form Registrations	4.1(a)
	Sponsors	Preamble
	Stockholder Indemnitee	5.10(a)
	Suspension Event	4.1(f)(iii)
	Suspension Notice	4.1(f)(iii)
	Suspension Period	4.1(f)(ii)
	Trigger Notice	3.1(b)
	Trigger Price	3.1(a)
	Trigger Transfer	3.1(b)

 

[THE REMAINDER OF THIS PAGE IS INTENTIONALLY
BLANK]

 

    45

     

    

 

IN WITNESS WHEREOF,
the Parties have executed this Agreement as of the Effective Time.

 

	 	Company:
	 	 
	 	CUSTOM TRUCK ONE SOURCE, INC.
	 	 
	 	By:	/s/ Joshua Boone
	 	Name: 	Joshua Boone
	 	Title:	Chief Financial Officer

 

[Signature page to Stockholders’ Agreement]

 

     

     

    

 

	 	NESCO Holder:
	 	 
	 	NESCO HOLDINGS, LP
	 	 
	 	By:	NESCO Holdings GP, LLC
	 	Its:	General Partner
	 	 	 
	 	By:	/s/ Rahman D’Argenio
	 	Name: 	Rahman D’Argenio
	 	Title:	President

 

[Signature page to Stockholders’ Agreement]

 

     

     

    

 

	 	ECP:
	 	 
	 	ENERGY CAPITAL PARTNERS III, LP
	 	 
	 	By:	Energy Capital Partners GP III, LP
	 	Its:	General Partner
	 	 	 
	 	 	By:	Energy Capital Partners III, LLC
	 	 	Its:	General Partner
	 	 	 	 
	 	 	By:	ECP ControlCo, LLC
	 	 	Its:	Managing Member
	 	 	 	 
	 	By:	/s/ Rahman D’Argenio
	 	Name:	Rahman D’Argenio
	 	Title:	Managing Member
	 	 	 
	 	ENERGY CAPITAL PARTNERS III-A, LP
	 	 
	 	By:	Energy Capital Partners GP III, LP
	 	Its:	General Partner
	 	 	 
	 	 	By:	Energy Capital Partners III, LLC
	 	 	Its:	General Partner
	 	 	 	 
	 	 	By:	ECP ControlCo, LLC
	 	 	Its:	Managing Member
	 	 	 	 
	 	By:	/s/ Rahman D’Argenio
	 	Name: 	Rahman D’Argenio
	 	Title:	Managing Member

 

[Signature page to Stockholders’ Agreement]

 

     

     

    

 

	 	ENERGY CAPITAL PARTNERS III-B, LP
	 	 
	 	By:	Energy Capital Partners GP III, LP
	 	Its:	General Partner
	 	 	 
	 	 	By:	Energy Capital Partners III, LLC
	 	 	Its:	General Partner
	 	 	 	 
	 	 	By:	ECP ControlCo, LLC
	 	 	Its:	Managing Member
	 	 	 	 
	 	By:	/s/ Rahman D’Argenio
	 	Name:	Rahman D’Argenio
	 	Title:	Managing Member
	 	 	 
	 	ENERGY CAPITAL PARTNERS III-C, LP
	 	 
	 	By:	Energy Capital Partners GP III, LP
	 	Its:	General Partner
	 	 	 
	 	 	By:	Energy Capital Partners III, LLC
	 	 	Its:	General Partner
	 	 	 	 
	 	 	By:	ECP ControlCo, LLC
	 	 	Its:	Managing Member
	 	 	 	 
	 	By:	/s/ Rahman D’Argenio
	 	Name: 	Rahman D’Argenio
	 	Title:	Managing Member

 

[Signature page to Stockholders’ Agreement]

 

     

     

    

 

	 	ENERGY CAPITAL PARTNERS III-D, LP
	 	 
	 	By:	Energy Capital Partners GP III, LP
	 	Its:	General Partner
	 	 	 
	 	 	By:	Energy Capital Partners III, LLC
	 	 	Its:	General Partner
	 	 	 	 
	 	 	By:	ECP ControlCo, LLC
	 	 	Its:	Managing Member
	 	 	 	 
	 	By:	/s/ Rahman D’Argenio
	 	Name:	Rahman D’Argenio
	 	Title:	Managing Member
	 	 	 
	 	ENERGY CAPITAL PARTNERS III (NESCO CO-INVEST), LP
	 	 
	 	By:	Energy Capital Partners GP III Co-Investment (NESCO), LLC
	 	Its:	General Partner
	 	 	 
	 	 	By:	Energy Capital Partners III, LLC
	 	 	Its:	Managing Member
	 	 	 	 
	 	 	By:	ECP ControlCo, LLC
	 	 	Its:	Managing Member
	 	 	 	 
	 	By:	/s/ Rahman D’Argenio
	 	Name: 	Rahman D’Argenio
	 	Title:	Managing Member

 

[Signature page to Stockholders’ Agreement]

 

     

     

    

 

	 	Sponsors:
	 	 
	 	CAPITOL ACQUISITION MANAGEMENT IV LLC
	 	 
	 	By:	/s/ Mark Ein
	 	Name: 	Mark Ein
	 	Title:	CEO
	 	 	 
	 	CAPITOL ACQUISITION FOUNDER IV LLC
	 	 
	 	By:	/s/ Dyson Dryden
	 	Name:	Dyson Dryden
	 	Title:	CFO
	 	 	 
	 	By:	/s/ Lawrence Calcano
	 	Name: 	Lawrence Calcano
	 	 	 
	 	By:	/s/ Brooke Coburn
	 	Name: 	Brooke Coburn
	 	 	 
	 	By:	/s/ Richard Donaldson
	 	Name:	Richard Donaldson
	 	 	 
	 	By:	/s/ Preston Parnell  
	 	Name:	Preston Parnell
	 	 	 
	 	By:	/s/ Winston Lin
	 	Name:	Winston Lin

 

[Signature page to Stockholders’ Agreement]

 

     

     

    

 

	 	Blackstone:
	 	 
	 	
    BLACKSTONE CAPITAL PARTNERS VI-NQ L.P.

     

    By: Blackstone Management Associates VI-NQ L.L.C., its general partner

     

    By: BMA VI-NQ L.L.C., its sole member

	 	 
	 	By:	/s/ John-Paul Munfa
	 	 	Name: John-Paul Munfa
	 	 	
    Title: Senior Managing Director 

	 	 
	 	
    BLACKSTONE FAMILY INVESTMENT PARTNERSHIP VI-NQ ESC L.P.

     

    By: BCP VI-NQ Side-By-Side BP L.L.C., its general partner

	 	 
	 	By:	/s/ John-Paul Munfa
	 	 	Name: John-Paul Munfa
	 	 	Title:   Senior Managing Director
	 	 	 
	 	
    BLACKSTONE ENERGY PARTNERS NQ L.P.

     

    By: Blackstone Energy Management Associates NQ L.L.C., its general
    partner

     

    By: Blackstone EMA NQ L.L.C., its sole member

	 	 
	 	By:	/s/ John-Paul Munfa
	 	 	Name: John-Paul Munfa
	 	 	Title:   Senior Managing Director

 

[Signature page to Stockholders’ Agreement]

 

     

     

    

 

	 	
    BLACKSTONE ENERGY FAMILY INVESTMENT PARTNERSHIP NQ ESC L.P.

     

    By: BEP Side-By-Side GP NQ L.L.C., its general partner

	 	 
	 	By:	/s/ John-Paul Munfa
	 	 	Name: John-Paul Munfa
	 	 	Title:   Senior Managing Director

 

	 	
    BLACKSTONE MANAGEMENT ASSOCIATES VI-NQ L.L.C.

     

    By: BMA VI-NQ L.L.C., its sole member

	 	 
	 	By:	/s/ John-Paul Munfa
	 	 	Name: John-Paul Munfa
	 	 	Title:   Senior Managing Director
	 	 
	 	
    BLACKSTONE ENERGY MANAGEMENT ASSOCIATES NQ L.L.C.

     

    By: Blackstone EMA NQ L.L.C., its sole member

	 	 
	 	By:	/s/ John-Paul Munfa
	 	 	Name: John-Paul Munfa
	 	 	Title:   Senior Managing Director
	 	 	 
	 	
    BCP CTOS HOLDINGS L.P.

     

    By: Blackstone Management Associates VI-NQ L.L.C., its general partner

     

    By: BMA VI-NQ L.L.C., its sole member

	 	 
	 	By:	/s/ John-Paul Munfa
	 	 	Name: John-Paul Munfa
	 	 	Title:   Senior Managing Director

 

[Signature page to Stockholders’ Agreement]

 

     

     

    

 

	 	
    BEP CTOS HOLDINGS L.P.

     

    By: Blackstone Energy Management Associates NQ L.L.C., its general
    partner

     

    By: Blackstone EMA NQ L.L.C., its sole member

	 	 
	 	By:	/s/ John-Paul Munfa
	 	 	Name: John-Paul Munfa
	 	 	Title:   Senior Managing Director

 

	 	
    BLACKSTONE ENERGY FAMILY INVESTMENT PARTNERSHIP SMD L.P.

     

    By: Blackstone Family GP L.L.C., its general partner

	 	 
	 	By:	/s/ Christopher Straino
	 	 	Name: Christopher Striano
	 	 	Title:   Senior Managing Director – Principal Accounting Officer

 

[Signature page to Stockholders’ Agreement]

 

     

     

    

 

	 	Platinum:
	 	 
	 	PE ONE SOURCE HOLDINGS, LLC
	 	 
	 	By:	/s/ Mary Ann Sigler
	 	Name: 	Mary Ann Sigler
	 	Title:	Manager

 

[Signature page to Stockholders’ Agreement]

 

     

     

    

 

	 	Management Holders:
	 	 
	 	FREDERICK M. ROSS, JR. HOLDING COMPANY, LLC
	 	 
	 	/s/ Frederick M. Ross, Jr.
	 	Name: Frederick M. Ross, Jr.
	 	Title:   Manager

 

[Signature page to Stockholders’ Agreement]

 

     

     

    

 

EXHIBIT A

 

	Sponsor	 	Minimum Target Sponsor Earnout Shares	 	 	Second Target Sponsor Earnout Shares	 	 	Maximum Target Sponsor Earnout Shares	 
	Capitol Acquisition Management IV LLC
 c/o Mark D. Ein
 Capitol Investment Corp. IV
 1300 17th Street North, Suite 820
 Arlington, Virginia, 22209	 	 	916,405	 	 	 	916,405	 	 	 	227,924	 
	 	 	 	 	 	 	 	 	 	 	 	 	 
	Capitol Acquisition Founder IV LLC
 c/o L. Dyson Dryden
 Capitol Investment Corp. IV
 1300 17th Street North, Suite 820
 Arlington, Virginia, 22209	 	 	458,202	 	 	 	458,202	 	 	 	113,963	 
	 	 	 	 	 	 	 	 	 	 	 	 	 
	Richard C. Donaldson
 Capitol Investment Corp. IV
 1300 17th Street North, Suite 820
 Arlington, Virginia, 22209	 	 	6,957	 	 	 	6,957	 	 	 	1,730	 
	 	 	 	 	 	 	 	 	 	 	 	 	 
	Brooke B. Coburn
 Capitol Investment Corp. IV
 1300 17th Street North, Suite 820
 Arlington, Virginia, 22209	 	 	6,957	 	 	 	6,957	 	 	 	1,730	 
	 	 	 	 	 	 	 	 	 	 	 	 	 
	Lawrence Calcano
 Capitol Investment Corp. IV
 1300 17th Street North, Suite 820
 Arlington, Virginia, 22209	 	 	6,957	 	 	 	6,957	 	 	 	1,730	 
	 	 	 	 	 	 	 	 	 	 	 	 	 
	Preston Parnell
 Capitol Investment Corp. IV
 1300 17th Street North, Suite 820
 Arlington, Virginia, 22209	 	 	3,826	 	 	 	3,826	 	 	 	952	 
	 	 	 	 	 	 	 	 	 	 	 	 	 
	Winston Lin 
 Capitol Investment Corp. IV
 1300 17th Street North, Suite 820
 Arlington, Virginia, 22209	 	 	696	 	 	 	696	 	 	 	173	 
	Total	 	 	1,400,000	 	 	 	1,400,000	 	 	 	348,202	 

 

     

     

    

 

EXHIBIT B

 

REGISTRATION RIGHTS JOINDER

 

The undersigned is executing and delivering this
Joinder pursuant to the Stockholders’ Agreement dated as of [       ], 2021 (as the same may hereafter be amended, the “Stockholders’ Agreement”),
among Custom Truck One Source, Inc., a Delaware corporation (the “Company”), and the other person named as parties
therein.

 

By executing and delivering this Joinder to the
Company, the undersigned hereby agrees to become a party to, to be bound by, and to comply with the provisions of Article IV of
the Stockholders’ Agreement and all other provisions thereof necessary to give effect to such Article IV as a Holder
in the same manner as if the undersigned were an original signatory to the Stockholders’ Agreement, and the undersigned’s
[number] shares of Common Stock shall be included as Registrable Securities under the Stockholders’ Agreement.

 

Accordingly, the undersigned has executed and delivered
this Joinder as of the ____day of___________, ______________.

 

	 	 
	 	Signature of Stockholder
	 	 
	 	 
	 	Print Name of Stockholder
	 	 
	 	Address:	 
	 	 
	 	 

 

	Agreed and Accepted as of	 
	 	 
	 	 
	CUSTOM TRUCK ONE SOURCE, INC.	 
	 	 
	By:	         	 
	Its:Exhibit 10.6

 

Execution Version

 

CORPORATE
ADVISORY SERVICES AGREEMENT

 

This
CORPORATE ADVISORY SERVICES AGREEMENT (this “Agreement”) is entered into as of April 1, 2021 by and between Custom Truck One
Source, Inc., a Delaware corporation f/k/a Nesco Holdings, Inc. (the “Company”) and Platinum Equity Advisors, LLC (“Platinum”),
a Delaware limited liability company (“Advisor”).

 

RECITALS

 

A. The
Company specializes in providing a full-suite of specialty equipment services to the electric utility, telecom and rail infrastructure
end-markets (collectively, the “Business”).

 

B. Advisor
will perform certain services with respect to the Business, and, in exchange for such services, the Company agrees to pay Advisor certain
fees and to provide for other consideration, all as set forth herein.

 

AGREEMENT

 

NOW,
THEREFORE, for good and valuable consideration, the receipt and sufficiency of which is hereby acknowledged, the parties hereby agree
as follows:

 

1. Appointment.
The Company, on behalf of itself and its subsidiaries (collectively, the “Group”), hereby retains Advisor to render certain
transactional and corporate advisory services as the Company and Advisor may mutually agree from time to time (collectively, the “Services”).

 

2. Term
and Termination.

 

(a) Term.
This Agreement shall begin immediately upon Closing (the date of Closing, the “Effective Date”) and shall continue until
terminated in accordance with Section 2(b). This Agreement may only be terminated in accordance with this Section 2(b).

 

(b) Termination.
This Agreement may be terminated at any time (i) by mutual written consent of the parties hereto; (ii) by Advisor, upon ninety (90) days’
prior written notice to the Company; (iii) by the Company, following a material breach of the terms hereof by Advisor, and Advisor having
failed to cure such material breach within thirty (30) days following receipt by it of written notice of such breach; and (iv) automatically
45 days following the earlier of (x) the date that affiliates of Platinum own, in the aggregate, less than 30% of outstanding Shares
and (y) the date that any Person or group (other than affiliates of Platinum) owns a number of outstanding Shares that is greater than
the number of outstanding Shares owned, in the aggregate, by affiliates of Platinum. Upon termination of this Agreement, the Company
shall pay to Advisor, if applicable, all accrued and unpaid Advisory Fees (pursuant to this Agreement) and all unpaid Out-of-Pocket Expenses
(pursuant to Section 5(b)) due with respect to the period prior to the date of termination. The obligations of the Company to
pay any and all accrued and unpaid obligations under this Section 2(b) shall survive any termination of this Agreement.

 

(c) For
the purposes of this Agreement, the following terms shall have the following meanings:

 

“Affiliate”
means with respect to any person or entity, any other person or entity directly or indirectly controlling or controlled by or under direct
or indirect common control with such specified person or entity, where “control” means the possession, directly or indirectly,
of the power to direct the management and policies of a person or entity whether through the ownership of voting securities, contract
or otherwise.

 

“Board”
means the board of directors of the Company.

 

“Closing”
shall have the meaning ascribed to it in that certain Common Stock Purchase Agreement, dated as of the date hereof by and between the
Company and PE One Source Holdings, Inc., as amended, restated, supplemented or otherwise modified from time to time,

 

     

     

    

 

“Independent
Director” shall have the meaning ascribed to it in the NYSE listing rules.

 

“Shares”
means shares of the Company’s common stock.

 

3. Scope
of Work. The Services will be performed for the Group. The Company shall be responsible for all amounts due hereunder. Advisor and
the Board shall meet and confer from time to time regarding the Services contemplated hereby; provided, however, that no
minimum number of hours is required to be devoted by Advisor. The Company acknowledges that (x) Advisor’s services are not exclusive
to the Company and (y) Advisor may render similar services to other persons and entities. No Services provided hereunder constitute or
shall be construed as investment advice or a recommendation to proceed or not to proceed with any particular action, including any proposed
investment or acquisition by the Company or any Group member. The performance of the Services shall not create a fiduciary relationship
between Advisor on one hand, and members of the Group, on the other. The Company, on behalf of itself and of each Group member, acknowledges
and agrees that, in the course of providing the Services, in no case is Advisor providing: (i) advice as to the value of securities or
the advisability of investing in, purchasing, or selling securities or (ii) investment advice or recommendations as to or on: (A) the
advisability of the prospects of or for any particular company or security, or (B) the price or future price of or price levels of any
security, security index, securities market, commodity, commodity index or commodity market. The Company further acknowledges and agrees
that it is responsible and liable for any actions or determinations (including any investment decisions) made by the Group.

 

4. Quality
of Services. Advisor shall render the Services in a professional, timely and workmanlike manner. The Services will be performed with
the same degree of diligence and care as such Services are performed by Advisor for other portfolio companies of its managed funds.

 

5. Compensation.

 

(a) The
Company shall pay, or cause its subsidiary entities to pay, to Advisor an advisory fee (the “Advisory Fee”) of (i) $5,000,000
for the calendar year 2021, pro rated based upon the number of days in calendar year 2021 during which this Agreement is effective,
(ii) $5,000,000 per annum for calendar years 2022 and 2023, (iii) $2,500,000 per annum for calendar year 2024, and (iv) $1,250,000 per
annum for each calendar year thereafter, in each case, as specified below (the “Base Fee Amount”). The Advisory Fee shall
be paid in cash.

 

(b) Payment
of the Advisory Fee shall be made for each calendar year in equal quarterly installments of the Advisory Fee applicable to such calendar
year (each a “Quarterly Installment Payment”) in cash in arrears for each preceding quarter on January 1, April 1, July 1
and October 1 of each year (each a “Quarterly Installment Payment Date”); provided that (i) the first Quarterly Installment
Payment Date shall be the first such date following the Effective Date (the “First Installment Date”) and (ii) each payment
for such a year shall be in an amount equal to the quotient of (i) the Base Fee Amount for such year divided by (ii) the number
of Quarterly Installment Payment Dates occurring after the Effective Date and applicable to such calendar year.

 

    2

     

    

 

(c)
The Advisory Fee shall be subject to value added tax, sales tax or other similar taxes, where applicable.

 

(d) The
Company shall reimburse, or cause its subsidiaries to reimburse, Advisor monthly for Out-of-Pocket Expenses (as defined below), incurred
following the Effective Date. For the purposes of this Agreement, “Out-of-Pocket Expenses” means (i) the documented, reasonable
and actual out-of-pocket costs and expenses incurred by the Advisor while delivering products and/or services to the Company or any Group
member in connection with the Services (excluding wages, salaries, and all other customary overhead expenses of the Advisor), (ii) reasonable
fees and disbursements of unaffiliated third party advisors or consultants while delivering products and/or services to the Company or
any Group member (but excluding for the avoidance of doubt such fees and disbursements incurred in advising Advisor or its Affiliates
including in its capacity as an investor in the Company), and (iii) reasonable costs of any outside services of independent contractors
such as financial printers, couriers, business publications, online financial services or similar services incurred while delivering
products and/or services to the Company or any Group member.

 

(e)
 The provisions of this Section 5 shall survive the expiration or termination of this
Agreement.

 

(f) The
Platinum-appointed directors of the Board that are not Independent Directors shall not receive any fees on account of serving on the
Board.

 

6. Common
Legal Interest. Advisor and the Company agree that they share a mutual and common legal interest to cooperate in the prosecution
or defense of pending or future litigations, arbitrations, claims, investigations, and regulatory actions that may arise from time to
time and may be considered a single corporate client in respect of their representation by legal counsel in certain matters. Such cooperation
and single corporate client status may involve the exchange of privileged and/or confidential, business, financial, technical or other
documents, information and communications between Advisor and its affiliates, counsel, consultants or other agents on the one hand, and
the Company and its affiliates, counsel, consultants and agents on the other. In order to allow the sharing of such privileged and/or
confidential documents, information and communications in furtherance of any common legal interest and/or single corporate client status,
Advisor and the Company agree to maintain, and will direct their respective counsel, consultants and other agents to maintain, the confidentiality
of documents, information and communications that have been or will be exchanged (collectively, “Common Interest Materials”).
All Common Interest Materials exchanged between or among Advisor and the Company, their respective counsel, and any consultants or agents
that may be retained by either of them or their respective counsel are confidential and are protected from disclosure to third parties
by the attorney-client privilege, the joint defense privilege, the common interest privilege, or the attorney work-product doctrine,
which privileges and protections may not be waived by any person without the prior written consent of the holder of the privilege. In
sharing Common Interest Materials, Advisor and the Company rely and invoke the joint defense or common interest exception to the waiver
of the attorney-client privilege, the attorney work product doctrine or any other applicable privilege or protection.

 

7. Representation
and Warranties.

 

(a) Advisor
represents and warrants that as of the date hereof that (i) Advisor is a company duly organized and validly existing under the laws of
the state of Delaware, and all corporate and other internal authorization required for the execution of this Agreement have been obtained,
and (ii) this Agreement does not materially violate any agreements to which Advisor is a party.

 

(b) The
Company represents and warrants to Advisor that as of the date hereof that (i) the Company is a company duly organized and validly existing
under the laws of the State of Delaware, and all corporate and other internal authorization required for the execution of this Agreement
have been obtained, and (ii) this Agreement does not materially violate any agreements to which the Company is a party.

 

    3

     

    

 

8. Indemnification;
Limitation of Liability.

 

(a) Indemnification.
The Company will indemnify and hold harmless Advisor and its Affiliates and their respective partners (both general and limited), members
(both managing and otherwise), officers, directors, employees, agents and representatives (each such person being an “Indemnified
Party”) from and against any and all losses, claims, damages and liabilities, whether joint or several (the “Liabilities”),
related to, arising out of or in connection with the Services contemplated by this Agreement or the engagement of Advisor pursuant to,
and the performance by Advisor of the Services contemplated by this Agreement, whether or not pending or threatened, whether or not an
Indemnified Party is a party, whether or not resulting in any liability and whether or not such action, claim, suit, investigation or
proceeding is initiated or brought by or on behalf of the Company or any other Group member. The Company will reimburse any Indemnified
Party for all reasonable costs and expenses (including reasonable attorneys’ fees and expenses) as they are incurred in connection
with investigating, preparing, pursuing, defending or assisting in the defense of any action, claim, suit, investigation or proceeding
for which the Indemnified Party would be entitled to indemnification under the terms of the previous sentence, or any action or proceeding
arising therefrom, whether or not such Indemnified Party is a party thereto. The Company hereby acknowledges that certain Indemnified
Parties have certain rights to indemnification, advancement of expenses and/or insurance provided by Advisor and its Affiliates in connection
with the Indemnified Party’s activities on behalf of Advisor and its Affiliates, including acting as a director of a current or
former portfolio company that Advisor and its Affiliates intend to be secondary to the primary obligation of the Company to indemnify
such Indemnified Party pursuant to and in accordance with the indemnification provision in this Section 8(a). The Company acknowledges
and agrees that (a) the Company is the indemnitor of first resort and the Company is wholly and primarily responsible for the payment
of any and all indemnification to which any Indemnified Party is entitled under this Section 8(a) or otherwise pursuant to any
rights that the Company has granted to such Indemnified Party in connection with its performance of the Services, and any obligation
of Advisor and its Affiliates to provide indemnification for the same expenses or liabilities incurred by such Indemnified Party is secondary,
(b) any such indemnification and expenses shall be paid by or on behalf of the Company, and (c) the Company irrevocably waives, relinquishes
and releases Advisor and its Affiliates from any and all claims against Advisor and its Affiliates for contribution, reimbursement, subrogation,
set-off, exoneration or otherwise from any of Advisor and its Affiliates thereof for amounts paid in respect thereof. The Company further
agrees to indemnify, reimburse and hold harmless each of Advisor and its Affiliates for any and all amounts for which the Company is
wholly and primarily responsible under this Section 8(a) in the event that any of Advisor and its Affiliates actually pays any
such amounts for any reason to or on behalf of any Indemnified Party. The Company will not be liable under the foregoing indemnification
provision with respect to any particular loss, claim, damage, liability, cost or expense of an Indemnified Party that is determined by
a court of competent jurisdiction, in a final judgment from which no further appeal may be taken, to have resulted primarily from the
willful misconduct, gross negligence or bad faith of Advisor or such Indemnified Party. The attorneys’ fees and other expenses
of an Indemnified Party shall be paid by the Company as they are incurred conditioned upon receipt, in each case, of an undertaking by
or on behalf of the Indemnified Party to repay such amounts if a court of competent jurisdiction renders a final non-appealable judgment
that the Liabilities in question resulted primarily from willful misconduct, gross negligence or bad faith of Advisor or such Indemnified
Party. If such indemnification is for any reason not available or insufficient to hold an Indemnified Party harmless, the Company agrees
to contribute to the Liabilities involved in such proportion as is appropriate to reflect the relative benefits received (or anticipated
to be received) by the Group, on the one hand, and by Advisor, on the other hand, with respect to the Services or, if such allocation
is determined by a court or arbitral tribunal to be unavailable, in such proportion as is appropriate to reflect other equitable considerations
such as the relative fault of the Group, on the one hand, and of Advisor, on the other hand; provided, however, that
to the extent permitted by applicable law, the Indemnified Parties shall not be responsible for amounts in excess of the Advisory Fee
accrued by the Company in the prior twelve months (but only to the extent actually received by Advisor). Relative benefits to the Group,
on the one hand, and to Advisor, on the other hand, with respect to the Services shall be deemed to be in the same proportion as (i)
the total value received or proposed to be received by the Group in connection with the Services or any transactions to which the Services
relate bears to (ii) all fees actually received by Advisor in connection with the Services. The provisions of this Section 8(a)
shall survive the expiration or termination of this Agreement.

 

(b) Limitation
of Liability. Notwithstanding anything herein to the contrary, the maximum aggregate monetary or other liability that Advisor shall
have to the Company, a Group member or any other party (including, without limitation, the Company’s or a Group member’s
officers, directors, employees, agents and other representatives and stockholders) with respect to any and all claims (on a cumulative
basis) related to or in connection with the breach or alleged breach hereof by Advisor, or related to or in connection with the Services
provided or to be provided hereunder, shall be limited to the Advisory Fee accrued by the Company in the prior twelve months (but only
to the extent actually received by Advisor). Notwithstanding anything herein to the contrary, Advisor shall not be liable under any circumstance
for any special, consequential, indirect, punitive or exemplary, or similar, damages arising from its provision of the Services or otherwise
related to or in connection with this Agreement. The provisions of this Section 8(b) shall survive the expiration or termination
of this Agreement.

 

    4

     

    

 

9. Permissible
Activities. Subject to applicable law, nothing herein will in any way preclude Advisor or its Affiliates (other than the Group and
its respective employees) or their respective partners (both general and limited), members (both managing and otherwise), officers, directors,
employees, agents or representatives from engaging in any business activities or from performing services for its or their own account
or for the account of others, including for companies that may be in competition with the business conducted by the Group.

 

10. Accuracy
and Confidentiality of Information to be Provided.

 

(a) The
Company will furnish or cause to be furnished to Advisor such information as Advisor believes reasonably appropriate to its Services
hereunder, and Advisor acknowledges that it will have access to confidential information, records, trade secrets of the Company and certain
proprietary information of a business, financial, marketing, technical or other nature pertaining to the Company (all such information
so furnished, the “Information”). Without limiting the generality of the foregoing, the Company agrees to furnish to Advisor
monthly financial data of the type customarily prepared by the Company for senior management, except to the extent that the Company and
Advisor may otherwise mutually agree with respect to the extent and/or the frequency of the data to be so furnished to Advisor. The Company
recognizes and confirms that Advisor (a) will use and rely primarily on the Information and on information available from generally recognized
public sources in performing the Services contemplated by this Agreement without having independently verified the same, (b) does not
assume responsibility for the accuracy or completeness of the Information and such other information and (c) is entitled to rely upon
the Information without independent verification.

 

(b) During
the term of this Agreement, and for a period of 2 years after the expiration or termination of this Agreement for any reason, Advisor
shall not directly or indirectly disclose Information to any person or entity or use any Information for its own benefit or the benefit
of any other person or entity without the Company’s prior written consent. All records, files, documents and equipment relating
to the Company’s business which Advisor shall prepare, use, or come into contact with, shall be and remain the Company’s
sole property and shall be returned to the Company (or, at Advisor’s option, destroyed) upon expiration or termination of this
Agreement for any reason. Notwithstanding anything to the contrary in this Agreement, Advisor may disclose any Information in the event
that Advisor is required by applicable law, subpoena, court order, legal process, rule, regulation, or governmental or regulatory body
to disclose all or any portion of the Information. The provisions of this Section 10 (b) shall survive for 2 years after the expiration
or termination of this Agreement.

 

11. Independent
Contractor. Advisor shall act solely as an independent contractor and shall have complete charge of its personnel engaged in the
performance of the Services or any other advice or services contemplated by this Agreement. As an independent contractor, Advisor shall
have authority only to act as an advisor to the Company and the other Group members and shall have no authority to enter into any agreement
or to make any representation, commitment or warranty binding upon the Company or any of the other Group members or to obtain or incur
any right, obligation or liability on behalf of the Company or any of the other Group members. Nothing contained in this Agreement shall
cause Advisor to be deemed a partner of or joint venturer with the Company or any of the other Group members. Nothing contained in this
Agreement shall be deemed or construed by the parties or any third party to create the relationship of partners or joint ventures between
Advisor or any of its partners or members or any of their Affiliates, investment managers, investment Advisor or partners, and the Company
or any of the other Group members.

 

    5

     

    

 

12. Notices.
All notices, requests, demands and other communications provided for by this Agreement shall be in writing and shall be delivered by
hand, sent by recognized overnight courier or given by email sent to the addresses set forth below. All such communications shall be
deemed to have given or made when delivered by hand, sent by email upon confirmed receipt, or one business day after being delivered
to a recognized overnight courier.

 

(a) If
to Advisor, to:

 

Platinum
Equity Advisors, LLC

360
N. Crescent Dr.

Beverly
Hills, CA 90210

Attention:
John Holland, General Counsel

Email:
jholland@platinumequity.com

 

(b)
If to the Company, to:

 

Custom
Truck One Source, Inc.

6714 Pointe Inverness Way

Suite 220

Fort Wayne, IN 46804

Attn: Josh Boone

Email: josh.boone@nescorentals.com

 

13. Modification.
This Agreement may not be modified or amended in any manner other than by an instrument in writing signed by all of the parties hereto,
or their respective successors or permitted assigns.

 

14. Entire
Agreement. This Agreement constitutes the entire agreement between the parties with respect to the subject matter hereof and supersedes
any prior agreement or understanding among them with respect to such subject matter.

 

15. Severability.
Each provision of this Agreement shall be considered severable, and if for any reason any provision that is not essential to the effectuation
of the basic purposes of this Agreement is determined to be invalid and contrary to any existing or future law, such invalidity shall
not impair the operation of or affect those provisions of this Agreement that are valid.

 

16. Waiver.
No provision of this Agreement shall be deemed to have been waived unless such waiver is in writing and signed by or on behalf of the
party granting the waiver. The waiver of either party of any breach of this Agreement shall not operate or be construed to be a waiver
of any subsequent breach.

 

17. Assignment.
This Agreement may not be assigned by any party hereto without the written consent of the other party; provided, that Advisor
shall be entitled to assign this Agreement to any Affiliate of Advisor. Any assignment in violation of the foregoing shall be null and
void.

 

18. Governing
Law. This Agreement will be governed by, and construed in accordance with, the laws of the State of New York. Each of the parties
agrees that all actions, suits or proceedings arising out of or based upon this Agreement or the subject matter hereof shall be brought
and maintained exclusively in the federal and state courts located in the State of New York sitting in New York County and of the United
States District Court of the Southern District of New York. Each of the parties hereto by execution hereof (i) hereby irrevocably submits
to the jurisdiction of the federal and state courts located in the State of New York sitting in New York County and of the United States
District Court of the Southern District of New York for the purpose of any action, suit or proceeding arising out of or based upon this
Agreement or the subject matter hereof and (ii) hereby waives to the extent not prohibited by applicable law, and agrees not to assert,
by way of motion, as a defense or otherwise, in any such action, suit or proceeding, any claim that is not subject personally to the
jurisdiction of the above-named courts, that it is immune from extraterritorial injunctive relief or other injunctive relief, that its
property is exempt or immune from attachment or execution, that any such action, suit or proceeding may not be brought or maintained
in one of the above-named courts, that any such action, suit or proceeding brought or maintained in one of the above-named courts should
be dismissed on grounds of forum non conveniens, should be stayed by virtue of the pendency of any other action, suit or proceeding in
any court other than one of the above-named courts, or that this Agreement or the subject matter hereof may not be enforced in or by
any of the above-named courts. Each of the parties hereto hereby consents to service of process in any such suit, action or proceeding
in any manner permitted by the laws of the State of New York, agrees that service of process by registered or certified mail, return
receipt requested, at the address specified in or pursuant to Section 12 is reasonably calculated to give actual notice and waives
and agrees not to assert by way of motion, as a defense or otherwise, in any such action, suit or proceeding any claim that service of
process made in accordance with Section 12 does not constitute good and sufficient service of process. The provisions of this
Section 18 shall not restrict the ability of any party to enforce in any court any judgment obtained in a federal or state court
located in the State of New York sitting in New York County and of the United States District Court of the Southern District of New York.

 

    6

     

    

 

TO
THE EXTENT NOT PROHIBITED BY APPLICABLE LAW WHICH CANNOT BE WAIVED, EACH OF THE PARTIES HERETO HEREBY WAIVES, AND COVENANTS THAT IT WILL
NOT ASSERT (WHETHER AS PLAINTIFF, DEFENDANT, OR OTHERWISE), ANY RIGHT TO TRIAL BY JURY IN ANY FORUM IN RESPECT OF ANY ISSUE, CLAIM, DEMAND,
CAUSE OF ACTION, ACTION, SUIT OR PROCEEDING ARISING OUT OF OR BASED UPON THIS AGREEMENT OR THE SUBJECT MATTER HEREOF, IN EACH CASE WHETHER
NOW EXISTING OR HEREAFTER ARISING AND WHETHER IN CONTRACT OR TORT OR OTHERWISE. Each of the parties hereto acknowledges that it has been
informed by the other party that the provisions of this paragraph constitute a material inducement upon which such party is relying and
will rely in entering into this Agreement and the transactions contemplated hereby. Any of the parties hereto may file an original counterpart
or a copy of this Agreement with any court as written evidence of the consent of each of the parties hereto to the waiver of its right
to trial by jury.

 

19. Dispute
Resolution.

 

(a) In
the event of any controversy or claim arising out of or relating to this Agreement (hereafter, a “Dispute”), Advisor and
Board Representative shall work in good faith, using reasonable best efforts and recognizing their mutual interests, to resolve such
Dispute in a manner satisfactory to both the Advisor and the Company. If Advisor and Board Representative do not resolve such Dispute
within thirty (30) business days after notice of the Dispute is provided to the other party, the Dispute shall be determined by arbitration
(the “Arbitration”) administered by the American Arbitration Association in accordance with the provisions of its Commercial
Arbitration Rules (the “Rules”). Notwithstanding the foregoing, either party may immediately bring a proceeding seeking temporary
or preliminary injunctive relief in a court having jurisdiction thereof which shall remain in effect until a final award is made in the
Arbitration.

 

(b)
The Arbitration shall be administered before one arbitrator, who shall be selected jointly by Advisor and Board Representative, or if
such parties cannot agree on the selection of the arbitrator, shall be selected by the American Arbitration Association (provided that
any arbitrator selected by the American Arbitration Association shall not be affiliated with either party without the written consent
of the non-affiliated party). Judgment may be entered on the arbitrator’s award in any court having jurisdiction. The arbitrator
shall be empowered to enter an equitable decree mandating specific enforcement of the terms of this Agreement. The Company and Advisor
shall equally bear all expenses of the American Arbitration Association (including those of the arbitrator) incurred in connection with
the Arbitration, provided, however, that the applicable party shall bear all such expenses if the arbitrator or relevant
trier-of-fact determines that such party’s claim or position was frivolous.

 

(c) “Board
Representative” means an Independent Director appointed by a vote of the majority of the Company’s Independent Directors.

 

20. Successors
and Assigns. Except as herein otherwise specifically provided, this Agreement shall be binding upon and inure to the benefit of the
parties and their legal representatives, heirs, administrators, executors, successors and permitted assigns.

 

    7

     

    

 

21. Counterparts.
This Agreement may be executed in several counterparts (including via facsimile or other electronic method), each of which shall be deemed
an original but all of which shall constitute one and the same instrument. It shall not be necessary for all parties to execute the same
counterpart hereof.

 

22. No
Third-Party Beneficiaries. Except for the Indemnified Parties, who are express and intended third party beneficiaries of this Agreement,
no persons other than the parties to this Agreement may directly or indirectly rely upon or enforce the provisions of this Agreement,
whether as a third party beneficiary or otherwise.

 

23. Headings.
All section headings in this Agreement are for convenience of reference only and are not intended to qualify the meaning of any section.

 

24. Interpretation.
Wherever from the context it appears appropriate, each term stated in either the singular or the plural shall include the singular and
the plural, and pronouns stated in the masculine, the feminine or neuter gender shall include the masculine, the feminine and the neuter.
The construction of this Agreement shall not take into consideration the party who drafted or whose representative drafted any portion
of this Agreement, and no canon of construction shall be applied that resolves ambiguities against the drafter of a document.

 

25. Data
Protection - GDPR.

 

(a) As
used in this Section 25, all references to the “Company” shall mean the Company (or a subsidiary of Company, as applicable)
providing personal data to Advisor to be processed on its behalf as a processor or sub-processor, as applicable. To the extent that Advisor
receives personal data from Company, and provided Company is subject to the GDPR (as defined below), if Advisor processes such personal
data as a processor or sub-processor, as applicable, on behalf of the Company, this Section 25 shall apply. In relation to all such personal
data, Advisor agrees to:

 

		(i)	process,
                                            hold and use the personal data as instructed by the Company and only pursuant to the documented
                                            instructions of the Company;

 

		(ii)	provide
                                            adequate protection by implementing such security measures as are necessary and appropriate
                                            in relation to the systems in which the personal data is held by Advisor to guard against
                                            accidental or unlawful destruction, loss, alteration, unauthorized disclosure or access to
                                            the personal data and ensure a level of security appropriate to the risk;

 

		(iii)	take
                                            such steps as are necessary to ensure that its personnel who have access to the personal
                                            data are reliable and adequately trained;

 

		(iv)	ensure
                                            that personnel with access to the personal data are bound by confidentiality obligations
                                            in respect of access, use or processing of the personal data;

 

		(v)	notify
                                            the Company without undue delay upon becoming aware of any breach of security leading to
                                            the accidental or unlawful destruction, loss, alteration, unauthorized disclosure of, or
                                            access to, personal data (each, a “personal data breach”);

 

		(vi)	notify
                                            the Company if, in Advisor’s opinion, any instruction from the Company infringes the GDPR
                                            or other applicable EU or Member State data protection laws;

 

		(vii)	taking
                                            into account the nature of the processing and information available to Advisors and to the
                                            extent necessary to facilitate the Company’s compliance with its obligations under the GDPR,
                                            provide reasonable assistance to the Company in relation to (i) the Company’s obligation
                                            to respond to requests from data subjects to exercise their rights under the GDPR; and (ii)
                                            the Company’s obligations under Articles 32 (security of processing), 33 (notification of
                                            personal data breach to the supervisory authority), 34 (communication of a personal data
                                            breach to the data subject), 35 (data protection impact assessments) and 36 (prior consultation)
                                            of the GDPR; and

 

    8

     

    

 

		(viii)	make
                                            available to the Company information reasonably necessary to demonstrate Advisor’s compliance
                                            with this Section 24 and permit at the Company’s own expense and not more than once in any
                                            twelve (12) month period, the Company’s independent auditors to inspect Advisor’s arrangements
                                            for complying with this Section 25 and provide the report to the Company, provided, that
                                            a reasonable period of notice is given in advance of such an inspection and that it is conducted
                                            during Advisor’s normal business hours and the report remains confidential information of
                                            Advisor and shall not be disclosed to any other party.

 

(b) Advisor
may transfer personal data supplied to it by the Company solely for processing to sub-processors who may be authorized from time to time
to provide payroll, administrative, legal, accounting and other services. A list of such sub-processors is available from Advisor upon
request, and Advisor will provide the Company with reasonable prior notice in relation to any changes to that list of sub-processors.
Advisor may not transfer personal data belonging to the Company to any other third party without the Company’s express permission in
writing. It is a condition of this Agreement that each entity that receives personal data belonging to the Company from Advisor must
be bound in writing by terms at least as protective of such personal data as those in Section 25(a) above and that such transferee agrees
in writing that the Company may enforce such provisions against it directly.

 

(c) The
obligations of the parties under this Section 25 shall survive the expiration or termination of this Agreement.

 

(e) The
duration of the processing by Advisor of personal data is the term of this Agreement. The subject matter, nature and purposes of processing
by Advisor is the receipt of the Services by the Company and provision of the Services by Advisor. The categories of data subjects include
the following: suppliers, employees, emergency contacts, customers, clients and prospects.

 

(f) The
types of personal data include the following (and such other information necessary for the Company to receive the benefit of the Services):
identification data (e.g., names, addresses, dates/places of birth), personal life data (e.g., living habits, marital status),
professional life data (e.g., resume, education, professional training), economic and financial information, traffic data (such
as IP addresses, event logs) and location data.

 

(g)
 As used in this Section 25, the terms “personal data”, “processing” and
“data subject” shall have the meanings ascribed to such terms under Regulation (EU) 2016/679 (the “General Data Protection
Regulation” or “GDPR”).

 

26.
 Data Protection - CCPA. To the extent the CCPA (as defined below) applies to the processing
of personal data by a party to this Agreement, whether such personal data is (i) information regarding employees, customers, suppliers,
or other natural persons related to the other party or (b) information regarding employees, customers, suppliers, or other natural persons
related to a third party (such as a target company for an acquisition), then such party receiving personal data agrees to comply with
the California Consumer Privacy Act of 2018, as amended (the “CCPA”). The parties further acknowledge and agree that, solely
for purposes of the CCPA, Consultant acts as a CCPA Service Provider, and Company does not sell personal data to Consultant. As used
in this Section 12, “personal data”, “processing” and “Service Provider” shall have the meanings
ascribed to such terms in the CCPA.

 

[signature
page follows]

 

    9

     

    

 

IN
WITNESS WHEREOF, the parties have caused this Agreement to be executed by their duly authorized representatives.

 

	PLATINUM EQUITY ADVISORS, LLC	 	CUstom truck one source, inc.
	 	 	 	 	 
	By: 	/s/ Mary Ann Sigler	 	By: 	/s/ Joshua Boone
	Name:	Mary Ann Sigler	 	Name:	Joshua Boone
	Title:	Executive Vice President and	 	Title:	Chief Financial Officer
	 	Chief Financial Officer	 	 	 

 

[Signature Page to the Corporate Advisory Services
Agreement]

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