Document:

Document

AMENDMENT NO. 7 TO
CREDIT AGREEMENT
This AMENDMENT NO. 7 to CREDIT AGREEMENT, dated as of July 13, 2020 (this “Amendment”), among GREATBATCH LTD., a New York corporation (the “Borrower”), INTEGER HOLDINGS CORPORATION (the “Parent”), MANUFACTURERS AND TRADERS TRUST COMPANY, acting in its capacity as Administrative Agent (the “Administrative Agent”), and the Lenders party hereto.
Background
The Borrower, the Parent, the Lenders and the Administrative Agent have entered into that certain Credit Agreement, dated as of October 27, 2015, as modified pursuant to that certain Consent of Lenders, dated as of February 9, 2016 and that certain Memorandum of Correction, dated as of April 19, 2016, and as amended pursuant to that certain Amendment No. 1 to Credit Agreement, dated as of November 29, 2016, that certain Second Amendment to Credit Agreement, dated as of March 17, 2017, that certain Third Amendment to Credit Agreement, dated as of November 7, 2017, that certain Amendment No. 4 to Credit Agreement, dated as of June 8, 2018, that certain Amendment No. 5 to Credit Agreement, dated as of November 21, 2019, and that certain Amendment No. 6 to Credit Agreement, dated as of November 21, 2019 (as further amended, restated, supplemented or otherwise modified and as in effect immediately prior to the date hereof, the “Existing Credit Agreement”), which provides for certain extensions of credit to the Borrower, subject to certain conditions.  
The Borrower has requested certain amendments to the Existing Credit Agreement as set forth herein, and the requisite Lenders parties to the Credit Agreement are willing to amend the Existing Credit Agreement in the manner and subject to the terms set forth below (the Existing Credit Agreement, as amended by this Amendment, and as the same may be amended, restated, modified and/or supplemented from time to time, the “Credit Agreement”).
NOW THEREFORE, in consideration of the promises and conditions set forth in this Amendment, and intending to be legally bound, the parties hereto hereby agree as follows:
Section 1.Defined Terms.  Terms used in this Amendment that are capitalized but not defined shall have the meanings given to such terms in the Credit Agreement.  This Amendment amends the Existing Credit Agreement, as in effect on the date hereof.
Section 2.Amendments.  Section 7.2 (Total Net Leverage Ratio) is amended and restated in its entirety as follows:
7.2 Total Net Leverage Ratio.
        Parent and its Subsidiaries, on a Consolidated basis, shall maintain a Total Net Leverage Ratio of no more than the ratios specified below:

						
	Maximum Total NetLeverage Ratio
	Period
		
	6.50 to 1.00	Through and including the third fiscal quarter of 2016.
	6.25 to 1.00	Fourth fiscal quarter of 2016 through and including the fourth fiscal quarter of 2017.
	6.00 to 1.00	First fiscal quarter of 2018 and second fiscal quarter of 2018.
	5.75 to 1.00	Third fiscal quarter of 2018.
	5.50 to 1.00	Fourth fiscal quarter of 2018.
	5.00 to 1.00	First fiscal quarter of 2019 and second fiscal quarter of 2019.
	4.75 to 1.00	Third fiscal quarter of 2019.
	4.50 to 1.00	Fourth fiscal quarter of 2019.
	4.25 to 1.00	First fiscal quarter of 2020.
	4.00 to 1.00	Second fiscal quarter of 2020.
	4.75 to 1.00	Third fiscal quarter of 2020 through and including the second fiscal quarter of 2021.
	4.50 to 1.00	Third fiscal quarter of 2021.
	4.00 to 1.00	Fourth fiscal quarter of 2021 and thereafter.

This covenant shall be tested quarterly on the last day of each fiscal quarter.  Notwithstanding the foregoing, for the four fiscal quarters commencing with the fiscal quarter in which an Eligible Adjustment Acquisition (as defined below) is consummated, at the election of the Borrower, the maximum Total Net Leverage Ratio shall be increased by 0.50 (for purposes of this Section 7.2, the “Increase Amount”) so long as any increase in the maximum Total Net Leverage Ratio pursuant to this paragraph shall be applicable for no more than four consecutive quarters notwithstanding any additional Eligible Adjustment Acquisitions.  If at any time after such an increase, the maximum Total Net Leverage Ratio is reduced to the maximum Total Net Leverage Ratio without the Increase Amount for at least two consecutive fiscal quarters and the Borrower is in compliance with such covenant, the Borrower may thereafter again make an election to increase the maximum Total Net Leverage Ratio by the Increase Amount in connection with additional consummated Eligible Adjustment Acquisitions subject to the foregoing limitations. For the avoidance of doubt, with respect to the pro forma Total Net Leverage Ratio compliance required for any Eligible Adjustment Acquisition, pro forma compliance before giving effect to such Acquisition will be based on the maximum Total Net Leverage Ratio permitted by this Section 7.2 without giving effect to any Increase Amount that would result from such Acquisition pursuant to this Section 7.2 and, after giving effect to such Acquisition, will be based on the maximum Total Net Leverage Ratio after giving effect to any Increase Amount that would result from such Acquisition pursuant to this Section 7.2.  For purposes of this Section 7.2, “Eligible Adjustment Acquisition” shall mean a Permitted Acquisition for which the aggregate amount of consideration for such Permitted Acquisition exceeds Forty Million Dollars ($40,000,000).    
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Section 3.REPRESENTATIONS AND WARRANTIES.  In order to induce the Lenders and the Administrative Agent to agree to the amendments set forth in this Amendment, the Borrower makes the following representations and warranties, which shall survive the execution and delivery of this Amendment:
(1)As of the date hereof, no Default or Event of Default has occurred and is continuing or would exist immediately after giving effect to the amendments contained herein.
(2)Each of the representations and warranties of the Loan Parties set forth in the Existing Credit Agreement and other Loan Documents is true and correct in all material respects both before and after giving effect to the amendments contemplated hereby as though each such representation and warranty were made at and as of the date hereof, except to the extent that any such representation and warranty specifically refers to an earlier date, in which case it is true and correct in all material respects as of such earlier date.
(3)No consent or approval of any third party, or any governmental agency or authority, is necessary in connection with the execution, delivery and/or performance of this Amendment or any other instrument, agreement or other document executed and/or delivered in connection herewith and/or the enforceability hereof or thereof.
(4)The amendments set forth herein do not conflict with the provisions of any other indenture or credit facility of the Borrower.
(5)Upon satisfaction of the conditions set forth in Section 4 (Conditions Precedent) below, the Existing Credit Agreement, as amended by this Amendment, and each other Loan Document is and will constitute the legal, valid and binding obligation of the applicable Loan Party, enforceable against it in accordance with the terms thereof.
Section 4.CONDITIONS PRECEDENT.
a.The amendments to the Existing Credit Agreement set forth in Section 2 above shall become effective, as of the date first above written, upon satisfaction of the following:
(1)The Administrative Agent shall have received counterparts of this Amendment duly executed and delivered on behalf of the Borrower, the Parent, the Administrative Agent, and the Required Financial Covenant Lenders; 
(2)The Administrative Agent shall have received payment by the Borrower of the fees set forth herein and all reasonable out-of-pocket costs, expenses (including but not limited to attorneys’ fees) and other amounts required to be paid by the Borrower in connection with the execution and delivery of this Amendment or otherwise under the Loan Documents; and
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(3)The Administrative Agent shall have received such other documents and information as the Administrative Agent shall reasonably request on or prior to the date that the condition in clause (a) above is satisfied.
Section 5.AMENDMENT FEE.  To induce the Required Financial Covenant Lenders to execute and deliver this Amendment and agree to the terms set forth herein, Borrower hereby agrees to pay to the Administrative Agent, subject to the provisos below, for the account of each such Lender who signs or consents to the Amendment on or before the date requested by the Administrative Agent (each such Lender, a “Consenting Lender”), (i) an advanced amendment fee in an amount equal to the product of (a) the amount of the unused Commitments and the outstanding Loans representing Financial Covenant Indebtedness of such Lender as of the Amendment Effective Date multiplied by (b) ten basis points (the “Advanced Amendment Fee”) and (ii) a deferred amendment fee payable in installments of an amount equal to the product of (x) the amount of the outstanding Loans representing Financial Covenant Indebtedness of such Lender as of each Payment Date (as defined below) multiplied by (y) three and one eighth basis points (the “Deferred Amendment Fee”).  The Advanced Amendment Fee shall be earned, due and payable on, and subject to the occurrence of, the date the conditions to the effectiveness of this Amendment are satisfied (such date, the “Amendment Effective Date”).  Each installment of the Deferred Amendment Fee shall be earned on, and subject to the occurrence of, the Amendment Effective Date, but due and payable on each of (I) the earlier of the date that the Officer’s Compliance Certificate is delivered and the date that the Officer’s Compliance Certificate is due after the close of each fiscal quarter commencing with the third fiscal quarter of 2020 and ending with (and including) the third fiscal quarter of 2022 and (II) the earlier of the Maturity Date and the last day of the fourth fiscal quarter of 2022 (each such date, a “Payment Date”); provided, however, that (i) except in the case of the Deferred Amendment Fee payable on the last Payment Date, if the applicable Officer’s Compliance Certificate delivered on or before each Payment Date demonstrates a Total Net Leverage Ratio less than 3.00 to 1.00, then the amount of the Deferred Amendment Fee payable on such Payment Date is waived and shall not be paid and (ii) if, but only if, on any Payment Date, the Financial Covenant Indebtedness has been paid in full prior to such Payment Date and there are no outstanding Commitments relative to Financial Covenant Indebtedness, then the amount of the Deferred Amendment Fee payable on such Payment Date is waived and shall not be paid.  For the avoidance of doubt, no Lender who is not a Consenting Lender shall be entitled to an Advanced Amendment Fee or a Deferred Amendment Fee. 
Section 6.MISCELLANEOUS.
a.Counterparts.  This Amendment may be executed in counterparts and by different parties hereto in separate counterparts, each of which, when executed and delivered, shall be deemed to be an original and all of which, when taken together, shall constitute one and the same instrument. A photocopied, electronic, facsimile or pdf signature shall be deemed to be the functional equivalent of a manually executed original for all purposes.
b.Ratification.  Except as specifically modified hereby, all of the terms, covenants and conditions of the Existing Credit Agreement and each of the other Loan 
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Documents are ratified, reaffirmed and confirmed and shall continue in full force and effect as therein written.
c.Payment of Expenses.  Without limiting other payment obligations of the Borrower set forth in the Loan Documents, the Borrower agrees to pay all reasonable, out-of-pocket costs and expenses incurred by the Administrative Agent in connection with the preparation, execution and delivery of this Amendment and any other documents or instruments which may be delivered in connection herewith, including, without limitation, the reasonable fees and expenses of its counsel, Faegre Drinker Biddle & Reath LLP, whether or not this Amendment shall become effective.
d.Governing Law.  This Amendment shall be governed by, and construed in accordance with, the Law of the State of New York (excluding the Laws applicable to conflicts or choice of law).
e.Binding Effect.  This Amendment shall be binding upon and inure to the benefit of Borrower, the Administrative Agent, the Lenders and their respective successors and assigns; provided, however, that Borrower may not assign this Amendment or the Existing Credit Agreement or any of its rights hereunder or thereunder without the prior written consent of the Administrative Agent and each Lender and any such prohibited assignment shall be null and void.
f.Severability.  If any provision of this Amendment or the application thereof to any Person or circumstance shall be invalid or unenforceable to any extent, the remainder of this Amendment and the application of such provision to any other Person or circumstance shall not be affected thereby and shall be enforced to the greatest extent permitted by law
g.References.  From and after the effective date of this Amendment, each reference in the Credit Agreement to “this Agreement”, “hereof”, “hereunder” or words of like import, and all references to the Credit Agreement in any and all Loan Documents, other agreements, instruments, documents, certificates and writings of every kind and nature, shall be deemed to mean the Existing Credit Agreement as modified and amended by this Amendment and as the same may be further amended, modified or supplemented in accordance with the terms thereof.
[signature page follows]

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IN WITNESS WHEREOF, the undersigned have caused this Amendment No. 7 to Credit Agreement to be duly executed by their respective, duly authorized officers as of the date first above written.

PARENT:
INTEGER HOLDINGS CORPORATION
By:  /s/ Jason K Garland  
Name:  Jason K Garland
           Title: EVP & CFO, Integer Holdings

BORROWER:
GREATBATCH LTD.
By:  /s/ Tom P. Thomas  
Name:  Tom P. Thomas
           Title: Vice President & Corporate Controller

[Signature Page to Amendment No. 7 to Credit Agreement]

ADMINISTRATIVE AGENT:
MANUFACTURERS AND TRADERS TRUST COMPANY, in its capacity as the Administrative Agent and a Lender and on behalf of certain of the consenting Lenders
By: /s/ Michael J. Prendergast 
Name: Michael J. Prendergast
Title: Vice President

[Signature Page to Amendment No. 7 to Credit Agreement]

             

Bank Leumi USA
Name of Lender

By:  /s/ Kristina Salvo 
Name:  Kristina Salvo
Title: Assistant Vice President

By:  /s/ James Foti 
Name:  James Foti
Title: VP

[Signature Page to Amendment No. 7 to Credit Agreement]

Capital One, National Association 
Name of Lender

By:  /s/ Matthew Corrado 
Name:  Matthew Corrado
Title: Duly Authorized Signatory

[Signature Page to Amendment No. 7 to Credit Agreement]

Citibank, NA 
Name of Lender

By:  /s/ Randy Humphreys 
Name:  Randy Humphreys
Title: Director

[Signature Page to Amendment No. 7 to Credit Agreement]

CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH

By:  /s/ Lingzi Huang 
Name:  Lingzi Huang
Title: Authorized Signatory

By:  /s/ Nicolas Thierry
Name:  Nicolas Thierry
Title: Authorized Signatory

[Signature Page to Amendment No. 7 to Credit Agreement]

FIFTH THIRD BANK, National Association 

By:  /s/ Nathaniel E. Sher 
Nathaniel E. (Ned) Sher
Senior Vice President

[Signature Page to Amendment No. 7 to Credit Agreement]

KEYBANK, NATIONAL ASSOCIATION, as a Lender

By:  /s/ Tanille Ingle 
Name:  Tanille Ingle
Title: Assistant Vice President

[Signature Page to Amendment No. 7 to Credit Agreement]

HANCOCK WHITNEY BANK,
as a Lender

By:  /s/ Joshua N. Livingston
Name:  Joshua N. Livingston
Title: Duly Authorized Signatory

[Signature Page to Amendment No. 7 to Credit Agreement]

Santander Bank, N.A.
Name of Lender

By:  /s/ Irv Roa 
Name:  Irv Roa
Title: Managing Director

[Signature Page to Amendment No. 7 to Credit Agreement]

SIEMENS FINANCIAL SERVICES, INC.

By:  /s/ Maria Levy
Name:  Maria Levy
Title: Vice President, Head of Risk

By:  /s/ Richard Holston
Name:  Richard Holston
Title: Vice President

[Signature Page to Amendment No. 7 to Credit Agreement]

Wells Fargo Bank, N.A.

By:  /s/ Lindsey Stuckey
Name:  Lindsey Stuckey
Title: Vice President

[Signature Page to Amendment No. 7 to Credit Agreement]EX-4.4

 Exhibit 4.4 

THE SECURITIES EVIDENCED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, OR UNDER ANY APPLICABLE STATE
SECURITIES LAWS. THE SECURITIES MAY NOT BE SOLD OR TRANSFERRED IN THE ABSENCE OF SUCH REGISTRATION OR AN EXEMPTION THEREFROM UNDER SUCH ACT AND UNDER ANY APPLICABLE STATE SECURITIES LAWS. 

WARRANT TO PURCHASE 

SHARES OF COMMON STOCK OF 

MONTROSE ENVIRONMENTAL GROUP, INC. 
  

			
	May     , 2015 (the “Issuance Date”)	  	No.:                 

 This Warrant (the “Warrant”) shall entitle
                     (the “Holder”), for value received, to purchase from Montrose Environmental Group, Inc., a Delaware corporation
(the “Company”) at an exercise price of $429.70 per share, subject to adjustments as provided herein, (the “Exercise Price”),
                     fully paid and nonassessable shares of the Company’s common stock, $0.0001 par value per share (the
“Common Stock”). This Warrant shall be exercisable at any time or from time to time up to and including 5:00 p.m. (Eastern time) on
                    , 2022 (the “Expiration Date”). This Warrant was issued to the Holder pursuant to that
certain Backstop Financing Letter, dated March 31, 2015, in full satisfaction of the Company’s obligations thereunder. 
 This Warrant is subject
to the following terms and conditions. 
 1. Exercise; Issuance of Certificates; Payment for Shares. 

(a) General. This Warrant is exercisable at the option of the Holder, at any time or from time to time up to and including the
Expiration Date for all or any part of the shares of Common Stock (but not for a fraction of a share) which may be purchased hereunder. This Warrant may be exercised by the Holder by surrendering to the Company at its principal executive office at 1
Park Plaza, Suite 1000, Irvine, CA 92614 (or at such other location as the Company may advise the Holder in writing), this Warrant properly endorsed with the Exercise Form attached hereto as Exhibit A (the “Exercise Form”)
and the Letter Agreement attached hereto as Exhibit B (the “Letter Agreement”), in each case, duly filled in and signed, and upon compliance with Section 1(b) below. The Company agrees that the
shares of Common Stock purchased under this Warrant shall be and are deemed to be issued to the Holder hereof as the record owner of such shares as of the close of business on the date on which this Warrant shall have been surrendered, properly
endorsed, together with the completed, executed Exercise Form and Letter Agreement, and payment made for such shares (unless the Holder has elected to receive shares of Common Stock in accordance with Section 1(c).
Certificates for the shares of Common Stock so purchased, together with any other securities or property to which the Holder hereof is entitled upon such exercise, shall be delivered to the Holder hereof by the Company at the Company’s expense
within a reasonable time after the rights represented by this Warrant have been so exercised. In case of a purchase of less than all the shares of Common Stock which may be purchased under this Warrant, the Company shall cancel this Warrant and
execute and deliver a new Warrant or Warrants of like tenor for the balance of the shares of Common Stock purchasable under the Warrant surrendered 

 
to the Holder hereof within a reasonable time. Each stock certificate so delivered shall be in such denominations of Common Stock as may be required by the Holder hereof and shall be registered
in the name of such Holder. In addition, as a condition to exercising this Warrant and receiving shares of Common Stock, the Holder shall enter into Joinders (in the form attached hereto as Exhibit C) and become subject to the restrictions
and limitations of the Company’s Amended and Restated Investors’ Rights Agreement, Voting and Drag-Along Agreement and Right of First Refusal and Co-Sale Agreement dated as of
                         , 2015, by and among the Company and the stockholders party thereto (collectively, the
“Stockholder Agreements”), if such agreements are still in effect. 
 (b) Payment of the Aggregate Exercise Price.
In connection with the exercise of all or any part of this Warrant, the Holder shall (i) pay by a certified check or wire transfer of immediately available funds an amount equal to the applicable Exercise Price multiplied by the number of
shares of Common Stock for which this Warrant is being exercised as set forth in the applicable Exercise Form (the “Aggregate Exercise Price”) or (ii) notify the Company that this Warrant is being exercised pursuant to a
Cashless Exercise (as defined in Section 1(c)) below. 
 (c) Cashless Exercise. Notwithstanding
anything contained herein to the contrary, the Holder may, in its sole discretion, exercise this Warrant in whole or in part and, in lieu of payment of the Aggregate Exercise Price, elect instead to receive upon such exercise the “Net
Number” of shares of Common Stock determined according to the following formula (a “Cashless Exercise”): 
  

					
	Net Number	 	=	 	 (A x B) - (A x C)

		 		 	B

  

	 	For	 purposes of the foregoing formula: 

 

	 	A=	 the total number of shares of Common Stock with respect to which this Warrant is then being exercised.

  

	 	B=	 the fair market value of one share of Common Stock. 

 

	 	C=	 the Exercise Price then in effect for the applicable shares of Common Stock purchased under this Warrant at the
time of such exercise. 

 For purposes of the above calculation, the fair market value of one share of Common Stock shall
be determined by the Board of Directors of the Company (the “Board of Directors”) in good faith; provided, however, that where there exists a public market for the Common Stock at the time of such exercise, the fair
market value per share shall be the closing price quoted on any national exchange on which the Common Stock is listed, or the average of the closing bid and asked prices of the Common Stock quoted in the Over-The-Counter Market Summary, whichever is applicable, for the ten (10) trading days prior to the date of determination of fair market value. Notwithstanding the foregoing, in the event the Warrant is
exercised in connection with the Company’s initial public offering of Common Stock, the fair market value of one share of Common Stock shall be the per share offering price to the public of the Company’s Common Stock in such initial public
offering. 

  
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 2. Shares to be Fully Paid; Reservation of Shares. The Company
covenants and agrees that all shares of Common Stock which may be issued upon the exercise of the rights represented by this Warrant shall, upon issuance, be duly authorized, validly issued, fully paid and nonassessable, free from all preemptive
rights of any shareholder and free of all taxes, liens and charges with respect to the issue thereof. The Company further covenants and agrees that during the period within which the rights represented by this Warrant may be exercised, the Company
shall at all times have authorized and reserved, for the purpose of issue or transfer upon exercise of the subscription rights evidenced by this Warrant, a sufficient number of shares of authorized but unissued Common Stock when and as required to
provide for the exercise in full of the rights represented by this Warrant. The Company shall take all such action as may be necessary to assure that such shares of Common Stock may be issued as provided herein without violation of any applicable
law or regulation. 
 3. Antidilution Adjustments. The Exercise Price and the number of shares of Common Stock
purchasable hereunder shall be subject to adjustment from time to time upon the occurrence of certain events described in this Section 3. 

(a) Stock Dividend, Split or Combination. If at any time the Company shall (i) pay a dividend in shares of Common Stock,
(ii) subdivide any outstanding shares of Common Stock into a greater number of shares of Common Stock, (iii) combine its outstanding shares of Common Stock into a smaller number of shares of Common Stock, or (iv) issue, by
reclassification of its shares of Common Stock, any shares of its capital stock, the amount and type of shares purchasable upon the exercise of this Warrant immediately prior thereto shall be adjusted thereafter, until further adjusted pursuant to
this Section 3, so that the Holder shall be entitled to receive upon exercise of this Warrant that number and class or series of shares of Common Stock or other capital stock which such Holder would have owned or have been
entitled to receive after the happening of such event had such Holder exercised this Warrant immediately prior to the record date, in the case of any such dividend, or the effective date in the case of any such subdivision, combination,
reclassification, or issuance. An adjustment made pursuant to this Section 3(a) shall become effective at the close of business on the effective date of any such event. 

(b) Dividends in Other Stock and Property; Reclassification. If at any time or from time to time the holders of Common Stock (or any
shares of stock or other securities at the time receivable upon the exercise of this Warrant) shall have received or become entitled to receive, without payment therefore, 

(i) any shares of stock or other Convertible Securities, or any rights or options to subscribe for, purchase or otherwise acquire any of the
foregoing by way of dividend or other distribution (other than Excluded Securities or a dividend consisting solely of shares of Common Stock); 

(ii) any cash paid or payable otherwise than as a cash dividend; or 

(iii) additional stock or other securities or property (including cash but excluding Excluded Securities) by way of spinoff, split up,
reclassification, combination 

  
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of shares or similar corporate rearrangement (other than an event in which adjustment is otherwise made pursuant to Section 3(d) below), then and in each such case, the
Holder hereof shall, upon the exercise of this Warrant, be entitled to receive, in addition to the number of shares of Common Stock receivable thereupon, and without payment of any additional consideration therefor, the amount of stock and other
securities and property (other than cash paid or payable as a cash dividend) which such Holder would hold on the date of such exercise had he been the holder of record of such Common Stock as of the date on which the holders of Common Stock received
or became entitled to receive such other shares of stock and other securities and property. 
 (c) Reorganization, Reclassification,
Consolidation, Merger or Sale. If any reorganization of the capital stock of the Company, or any consolidation or merger of the Company with another corporation, or the sale of all or substantially all of its assets to another corporation shall
be effected in such a way that holders of Common Stock shall be entitled to receive stock, securities, or other assets or property, then, as a condition of such reorganization, reclassification, consolidation, merger or sale, lawful and adequate
provisions shall be made whereby the Holder hereof shall thereafter have the right to purchase and receive (in lieu of the shares of the Common Stock of the Company immediately theretofore purchasable and receivable upon the exercise of the rights
represented hereby) such shares of stock, securities or other assets or property as may be issued or payable with respect to or in exchange for a number of outstanding shares of such Common Stock equal to the number of shares of such stock
immediately theretofore purchasable and receivable upon the exercise of the rights represented hereby. In any reorganization described above, appropriate provisions shall be made with respect to the rights and interests of the Holder of this Warrant
to the end that the provisions hereof (including, without limitation, provisions for adjustments of the number of shares of Common Stock purchasable and receivable upon the exercise of this Warrant) shall thereafter be applicable, as nearly as may
be, in relation to any shares of stock, securities or assets thereafter deliverable upon the exercise hereof. The Company will not effect any such consolidation, merger or sale unless, prior to the consummation thereof, the successor corporation (if
other than the Company) resulting from such consolidation or the corporation purchasing such assets shall assume by written instrument, executed and mailed or delivered to the registered Holder hereof at the last address of such Holder appearing on
the books of the Company, the obligation to deliver to such Holder such shares of stock, securities or assets as, in accordance with the foregoing provisions, such Holder may be entitled to purchase. 

(d) Notice of Adjustment. Upon any adjustment pursuant to this Section 3, the Company shall give written
notice thereof, by first class mail, postage prepaid, addressed to the registered Holder of this Warrant at the address of such Holder as shown on the books of the Company, and, in case of a Holder with an address of record outside of the United
States, by facsimile, and confirmed in writing by first class air mail. The notice shall be signed by the Company’s chief financial officer and shall state the nature of such adjustment, including the new Exercise Price, if applicable, setting
forth in reasonable detail the method of effecting the adjustment and the facts upon which such adjustment is based. If at any time in addition to any of the adjustments set forth in this Section 3, an increase in the
number of authorized and unissued shares of Common Stock is required pursuant to Section 2 hereof, the Company shall promptly provide to the Holder a certificate of the secretary of the Company certifying that the requisite
number of shares of Common Stock have been authorized to permit the exercise of the Warrant. 

  
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 (e) Other Notices. If at any time: 

(i) the Company shall declare any cash dividend upon its Common Stock; 

(ii) the Company shall declare any dividend upon its Common Stock payable in stock (other than solely in Common Stock) or make any special
dividend or other distribution to the holders of its Common Stock; 
 (iii) the Company shall offer for subscription pro rata to the
holders of its Common Stock any additional shares of stock of any class or other rights; 
 (iv) there shall be any capital reorganization
or reclassification of the capital stock of the Company; or consolidation or merger of the Company; or consolidation or merger of the Company with, or sale of all or substantially all of its assets to, another corporation; or 

(v) there shall be a voluntary or involuntary dissolution, liquidation or winding-up of the Company;

 then, in any one or more of said cases, the Company shall give, by first class mail, postage prepaid, addressed to the Holder of this Warrant at the
address of such Holder as shown on the books of the Company, (a) at least twenty (20) days’ prior written notice (by the method set forth in Section 3(d) above) of the date on which the books of the
Company shall close or a record shall be taken for such dividend, distribution or subscription rights or for determining rights to vote in respect of any such reorganization, reclassification, consolidation, merger, sale, dissolution, liquidation or
winding-up, and (b) in the case of any such reorganization, reclassification, consolidation, merger, sale, dissolution, liquidation or winding-up, at least twenty
(20) days’ prior written notice of the date when the same shall take place. Any notice given in accordance with the foregoing clause (a) shall also specify, in the case of any such dividend, distribution or subscription rights, the
date on which the holders of Common Stock shall be entitled thereto. Any notice given in accordance with the foregoing clause (b) shall also specify the date on which the holders of Common Stock shall be entitled to exchange their Common Stock
for securities or other property deliverable upon such reorganization, reclassification, consolidation, merger, sale, dissolution, liquidation, winding-up or conversion, as the case may be. 

(f) Certain Events. If any change in the outstanding Common Stock of the Company or any other event occurs as to which the other
provisions of this Section 3 are not strictly applicable or if strictly applicable would not fairly protect the purchase rights of the Holder of the Warrant in accordance with such provisions, then the Board of Directors
shall make an adjustment in the Exercise Price and/or the number and class of shares purchasable and receivable upon exercise of this Warrant or the application of such provisions, so as to protect such purchase rights as aforesaid. The adjustment
shall be such as will give the Holder of this Warrant upon exercise for the same Aggregate Exercise Price the total number, class and kind of shares as it would have owned had the Warrant been exercised prior to the event and had it continued to
hold such shares until after the event requiring adjustment. 

  
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 4. Registration Rights. 

(a) Company Registration. If the Company proposes to register any of its Common Stock under the Securities Act of 1933, as amended
(the “Securities Act”) in connection with the public offering of such securities solely for cash (other than in an Excluded Registration (as defined below)), the Company shall, at such time, promptly give the Holder notice of such
registration. Upon the request of the Holder within twenty (20) days after such notice is given by the Company, the Company shall, subject to the provisions of Section 4(b), cause to be registered all of the shares of
Common Stock issuable upon exercise of this Warrant that the Holder has requested to be included in such registration (“Registrable Securities”). The Company shall have the right to terminate or withdraw any registration initiated
by it under this Section 4 before the effective date of such registration, whether or not the Holder has elected to include any Registrable Securities in such registration. All expenses (other than Selling Expenses (as
defined below)) of such withdrawn registration shall be borne by the Company in accordance with Section 4(e) below. 

“Excluded Registration” means (i) a registration relating to the sale of securities to employees of the Company or a
subsidiary pursuant to a stock option, stock purchase, or a similar plan or (ii) a registration relating to a transaction in connection with Rule 145 of the Securities Act. 

“Selling Expenses” means all underwriting discounts, selling commissions, and stock transfer taxes applicable to the sale of
shares of Common Stock issuable upon exercise of this Warrant. 
 (b) Underwriting Requirements. In connection with any offering
involving an underwriting of shares of the Company’s capital stock pursuant to Section 4(a), the Company shall not be required to include any of the Registrable Securities unless the Holder accepts the terms of the
underwriting as agreed upon between the Company and its underwriters, and then only in such quantity as the underwriters in their sole discretion determine will not jeopardize the success of the offering by the Company. If the total number of
securities, including the Registrable Securities, exceeds the number of securities to be sold (other than by the Company) that the underwriters in their reasonable discretion determine is compatible with the success of the offering, then the Company
shall be required to include in the offering only that number of such securities, including Registrable Securities, which the underwriters and the Company in their sole discretion determine will not jeopardize the success of the offering. 

(c) Furnish Information. It shall be a condition precedent to the obligations of the Company to take any action pursuant to this
Section 4 with respect to the Registrable Securities of the Holder that the Holder shall furnish to the Company such information regarding itself, the Registrable Securities held by it, and the intended method of
disposition of such securities as is reasonably required to effect the registration of such Registrable Securities. 
 (d) Delay of
Registration. The Holder shall not have any right to obtain or seek an injunction restraining or otherwise delaying any registration pursuant to this Section 4 as the result of any controversy that might arise with
respect to the interpretation or implementation of this Section 4. 

  
 -6- 

 (e) Termination of Registration Rights. The right of the Holder to request inclusion
of Registrable Securities in any registration statement pursuant to this Section 4 shall terminate upon the earliest to occur of (i) the closing of a Deemed Liquidation Event, as such term is defined in the Certificate
of Designations with respect to the Series A Convertible Preferred Stock of the Company (the “Series A Preferred Stock”); (ii) when all of the Holder’s Registrable Securities could be sold without restriction under Rule 144 of
the Securities Act within any 90-day period; or (iii) the fifth (5th) anniversary of the closing of an initial public offering of the Company. 

(f) Expenses of Registration. All expenses (other than Selling Expenses) incurred in connection with registrations, filings, or
qualifications pursuant to this Section 4, including all registration, filing and qualification fees, printers’ and accounting fees shall be borne and paid by the Company. 

(g) Indemnification. If any Registrable Securities are included in a registration statement under this
Section 4: 
 (i) To the extent permitted by law, the Company will indemnify and hold harmless the Holder, and
its partners, members, officers, directors, and stockholders; legal counsel and accountants for such Holder; any underwriter (as defined in the Securities Act) for such Holder; and each individual, corporation, partnership, trust, limited liability
company, association or other entity (each, a “Person”) if any, who controls such Holder or underwriter within the meaning of the Securities Act or the Securities Exchange Act of 1934, as amended (the “Exchange
Act”), against any Damages (as defined below), and the Company will pay to such Holder, underwriter, controlling Person, or other aforementioned Person any legal or other expenses reasonably incurred thereby in connection with investigating
or defending any claim or proceeding from which Damages may result, as such expenses are incurred; provided, however, that the indemnity agreement contained in this Section 4(g)(i) shall not apply to
amounts paid in settlement of any such claim or proceeding if such settlement is effected without the consent of the Company, which consent shall not be unreasonably withheld, nor shall the Company be liable for any Damages to the extent that they
arise out of or are based upon actions or omissions made in reliance upon and in conformity with written information furnished by or on behalf of any such Holder, underwriter, controlling Person, or other aforementioned Person expressly for use in
connection with such registration. 
 (ii) To the extent permitted by law, the Holder will indemnify and hold harmless the Company, and
each of its directors, each of its officers who has signed the registration statement, each Person (if any), who controls the Company within the meaning of the Securities Act, legal counsel and accountants for the Company, any underwriter (as
defined in the Securities Act), and any controlling Person of any such underwriter, against any Damages, in each case only to the extent that such Damages arise out of or are based upon actions or omissions made in reliance upon and in conformity
with written information furnished by or on behalf of the Holder expressly for use in connection with such registration; and the Holder will pay to the Company and each other aforementioned Person any legal or other expenses reasonably incurred
thereby in connection with investigating or defending any claim or proceeding from which Damages may result, as such expenses are incurred; provided, however, that the indemnity agreement contained in this
Section 4(g)(ii) shall not apply to amounts paid in settlement of any such claim or 

  
 -7- 

 
proceeding if such settlement is effected without the consent of the Holder, which consent shall not be unreasonably withheld; and provided further that in no event shall the aggregate
amounts payable by the Holder by way of indemnity hereunder exceed the proceeds from the offering received by such Holder (net of any Selling Expenses paid by such Holder), except in the case of fraud or willful misconduct by such Holder. 

(iii) Promptly after receipt by an indemnified party under this Section 4(g) of notice of the commencement of any
action (including any governmental action) for which a party may be entitled to indemnification hereunder, such indemnified party will, if a claim in respect thereof is to be made against any indemnifying party under this
Section 4(g), give the indemnifying party notice of the commencement thereof. The indemnifying party shall have the right to participate in such action and, to the extent the indemnifying party so desires, participate
jointly with any other indemnifying party to which notice has been given, and to assume the defense thereof with counsel mutually satisfactory to the parties; provided, however, that an indemnified party (together with all other
indemnified parties that may be represented without conflict by one counsel) shall have the right to retain one separate counsel, with the fees and expenses to be paid by the indemnifying party, if representation of such indemnified party by the
counsel retained by the indemnifying party would be inappropriate due to actual or potential differing interests between such indemnified party and any other party represented by such counsel in such action. The failure to give notice to the
indemnifying party within a reasonable time of the commencement of any such action shall relieve such indemnifying party of any liability to the indemnified party under this Section 4(g), to the extent that such failure
materially prejudices the indemnifying party’s ability to defend such action. The failure to give notice to the indemnifying party will not relieve it of any liability that it may have to any indemnified party otherwise than under this
Section 4(g). 
 (iv) To provide for just and equitable contribution to joint liability under the Securities Act
in any case in which either (i) any party otherwise entitled to indemnification hereunder makes a claim for indemnification pursuant to this Section 4(g) but it is judicially determined (by the entry of a final
judgment or decree by a court of competent jurisdiction and the expiration of time to appeal or the denial of the last right of appeal) that such indemnification may not be enforced in such case, notwithstanding the fact that this
Section 4(g) provides for indemnification in such case, or (ii) contribution under the Securities Act may be required on the part of any party hereto for which indemnification is provided under this
Section 4(g), then, and in each such case, such parties will contribute to the aggregate losses, claims, damages, liabilities, or expenses to which they may be subject (after contribution from others) in such proportion as
is appropriate to reflect the relative fault of each of the indemnifying party and the indemnified party in connection with the statements, omissions, or other actions that resulted in such loss, claim, damage, liability, or expense, as well as to
reflect any other relevant equitable considerations. 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 allegedly untrue statement of a material
fact, or the omission or alleged omission of 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; provided, however, that, in any such case, (x) the Holder will not be required to contribute any amount in excess of the public offering price of all such Registrable Securities offered and
sold by the Holder pursuant to such registration statement, and (y) no Person 

  
 -8- 

 
guilty of fraudulent misrepresentation (within the meaning of Section 11(f) of the Securities Act) will be entitled to contribution from any Person who was not guilty of such fraudulent
misrepresentation; and provided further that in no event shall the Holder’s liability pursuant to this Section 4(g)(iv), when combined with the amounts paid or payable by such Holder pursuant to
Section 4(g)(ii), exceed the proceeds from the offering received by the Holder (net of any Selling Expenses paid by such Holder), except in the case of willful misconduct or fraud by such Holder. 

(v) Notwithstanding the foregoing, to the extent that the provisions on indemnification and contribution contained in the underwriting
agreement entered into in connection with the underwritten public offering are in conflict with the foregoing provisions, the provisions in the underwriting agreement shall control. 

(vi) Unless otherwise superseded by an underwriting agreement entered into in connection with the underwritten public offering, the
obligations of the Company and the Holder under this Section 4(g) shall survive the completion of any offering of Registrable Securities in a registration under this Section 4, and otherwise shall
survive the termination of this Warrant. 
 (vii) “Damages” means any loss, damage, or liability (joint or several) to
which a party hereto may become subject under the Securities Act, the Exchange Act, or other federal or state law, insofar as such loss, damage, or liability (or any action in respect thereof) arises out of or is based upon (i) any untrue
statement or alleged untrue statement of a material fact contained in any registration statement of the Company, including any preliminary prospectus or final prospectus contained therein or any amendments or supplements thereto; (ii) an
omission or alleged omission to state therein 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 indemnifying party (or any of its
agents or affiliates) of the Securities Act, the Exchange Act, any state securities law, or any rule or regulation promulgated under the Securities Act, the Exchange Act, or any state securities law. 

(h) Lock-up Agreement. The Holder hereby agrees that it will not, without the prior written
consent of the managing underwriter, during the period commencing on the date of the final prospectus relating to an initial public offering and ending on the date specified by the Company and the managing underwriter (such period not to exceed one
hundred eighty (180) days (provided, however that, if during the last seventeen (17) days of the restricted period the Company issues an earnings release or material news or a material event relating to the Company occurs, or prior to the
expiration of the restricted period the Company announces that it will release earnings results during the sixteen (16)-day period beginning on the last day of the restricted period, then, upon the request of
the managing underwriter, to the extent required by any Financial Industry Regulatory Authority rules, the restrictions imposed by this subsection shall continue to apply until the end of the third (3rd) trading day following the expiration of the
fifteen (15)-day period beginning on the issuance of the earnings release or the occurrence of the material news or material event) (i) lend; offer; pledge; sell; contract to sell; sell any option or
contract to purchase; purchase any option or contract to sell; grant any option, right, or warrant to purchase; or otherwise transfer or dispose of, directly or indirectly, any shares of Common Stock or any securities convertible into or exercisable
or exchangeable (directly or indirectly) for Common Stock held immediately before the effective date of registration statement of such initial public 

  
 -9- 

 
offering or (ii) enter into any swap or other arrangement that transfers to another, in whole or in part, any of the economic consequences of ownership of such securities, whether any such
transaction described in clause (i) or (i) above is to be settled by delivery of Common Stock or other securities, in cash, or otherwise. The foregoing provisions of this Section 4(h) shall apply only to the initial
public offering of Common Stock by the Company, shall not apply to the sale of any shares to an underwriter pursuant to an underwriting agreement, and shall be applicable to the Holder only if all officers and directors of the Company are subject to
the same restrictions and the Company uses commercially reasonable efforts to obtain a similar agreement from all stockholders individually owning more than five percent (5%) of the Company’s outstanding Common Stock (after giving effect to
conversion into Common Stock of all outstanding Series A Preferred Stock). The underwriters in connection with such initial public offering are intended third-party beneficiaries of this Section 4(h) and shall have
the right power, and authority to enforce the provisions hereof as though they were party hereto. The Holder further agrees to execute such agreements as may be reasonably requested by the underwriters in connection with such initial public offering
that are consistent with this Section 4(h) or that are necessary to give further effect thereto. 
 5.
Issue Tax. The issuance of certificates for shares of Common Stock upon the exercise of the Warrant shall be made without charge to the Holder of the Warrant for any issue tax (other than any applicable income taxes) in respect
thereof; provided, however, that the Company shall not be required to pay any tax which may be payable in respect of any transfer involved in the issuance and delivery of any certificate in a name other than that of the then Holder of
the Warrant being exercised. 
 6. Closing of Books. The Company will at no time close its transfer books against the
transfer of any Warrant or of any shares of Common Stock issued or issuable upon the exercise of any warrant in any manner which interferes with the timely exercise of this Warrant. 

7. No Voting or Dividend Rights; Limitations of Liability. Nothing contained in this Warrant shall be construed as
conferring upon the Holder hereof the right to vote or to consent or to receive notice as a shareholder of the Company or any other matters or any rights whatsoever as a shareholder of the Company. No dividends or interest shall be payable or
accrued in respect of this Warrant or the interest represented hereby or the shares purchasable hereunder until and only to the extent that this Warrant shall have been exercised. No provisions hereof, in the absence of affirmative action by the
Holder to purchase shares of Common Stock, and no mere enumeration herein of the rights or privileges of the Holder hereof, shall give rise to any liability of such Holder for the Exercise Price or as a shareholder of the Company, whether such
liability is asserted by the Company or by its creditors. 
 8. Transfer and Exchange. This Warrant may not be offered,
sold, transferred, pledged, assigned, hypothecated or otherwise disposed of, in whole or in part (collectively, a “Transfer”), at any time except if transferred (i) by will or intestacy to such Holder’s spouse, lineal descendant
or antecedent, father, mother, brother or sister (such holder’s “Immediate Family”), (ii) to a trust for the benefit of such Holder, (iii) to such Holder’s Immediate Family as a gift, (iv) in any transaction in
which such Holder which is a partnership or limited liability company transfers shares solely to his/her/its partners, limited partners, retired partners, members or retired members or to any investment fund or other similar fund affiliated with
such 

  
 -10- 

 
Holder and the transaction is made for no consideration or (v) to any other Person with the written consent of the Company (it being understood that such consent may be withheld by the
Company for any reason or no reason) (“Permitted Transferees”), provided that such Transfer is in compliance with applicable federal and state securities laws. If such a Transfer is effected, this Warrant is transferable on the books of
the Company maintained for such purpose at its principal office referred to above by the Holder hereof in person or by duly authorized attorney, upon surrender of this Warrant properly endorsed and upon payment of any necessary transfer tax or other
governmental charge imposed upon such Transfer. Each Permitted Transferee, by taking or holding this Warrant, consents and agrees that this Warrant, when endorsed in blank, shall be deemed negotiable and that when this Warrant shall have been so
endorsed, such Permitted Transferee may be treated by the Company and all other persons dealing with this Warrant as the absolute owner hereof for any purpose and as the person entitled to exercise the rights represented hereby, any notice to the
contrary notwithstanding; but until such Transfer on such books, the Company may treat the registered Holder hereof as the owner for all purposes.  

9. Rights and Obligations Survive Exercise of Warrant. The rights and obligations of the Company, of the Holder of this
Warrant and of the holder of shares of Common Stock issued upon exercise of this Warrant referred to in Section 4(g) shall survive the exercise of this Warrant. 

10. Modification and Waiver. This Warrant and any provision hereof may be changed, waived, discharged or terminated only
by an instrument in writing signed by the party against which enforcement of the same is sought. 
 11. Notices. Any
notice, request or other document required or permitted to be given or delivered to the Holder hereof or the Company shall be delivered or shall be sent by certified mail, postage prepaid, to each such holder at its address as shown on the books of
the Company or to the Company at the address indicated therefor in the first paragraph of this Warrant or such other address as either may from time to time provide to the other and shall be sent to each such holder located outside of the United
States by facsimile confirmed in writing by first class air mail. 
 12. Binding Effect on Successors. This Warrant
shall be binding upon any corporation succeeding the Company by merger, consolidation or acquisition of all or substantially all of the Company’s assets. All of the obligations of the Company relating to the Common Stock issuable upon the
exercise of this Warrant shall survive the exercise of this Warrant. All of the covenants and agreements of the Company shall inure to the benefit of the successors and assigns of the Holder hereof. 

13. Descriptive Headings and Governing Law. The description headings of the several sections and paragraphs of this
Warrant are inserted for convenience only and do not constitute a part of this Warrant. This Warrant shall be construed and enforced in accordance with, and the rights of the parties shall be governed by, the laws of the State of Delaware,
regardless of the laws that might otherwise govern under applicable principles of conflicts of law. 
 14. Lost
Warrants. The Company represents and warrants to the Holder hereof that upon receipt of evidence reasonably satisfactory to the Company of the loss, theft, destruction, 

  
 -11- 

 
or mutilation of this Warrant and, in the case of any such loss, theft or destruction, upon receipt of an indemnity reasonably satisfactory to the Company, or in the case of any such mutilation
upon surrender and cancellation of such Warrant, the Company, at its expense, will make and deliver a new Warrant, of like tenor, in lieu of the lost, stolen, destroyed or mutilated Warrant. 

[Signature on Succeeding Page] 

  
 -12- 

 IN WITNESS WHEREOF, the Company has caused this Warrant to be duly executed by its
officers, thereunto duly authorized this      day of May, 2015. 
  

			
	MONTROSE ENVIRONMENTAL GROUP, INC.
	a Delaware corporation
	
	  

			
	Name:	 	  

	Title:	 	  

 (Signature Page to Warrant) 

 EXHIBIT A 

EXERCISE FORM 
 Date: 

 

	
	
                     

	
                     

	
                     

 Ladies and Gentlemen: 
 The
undersigned hereby elects to exercise the warrant issued to it by Montrose Environmental Group, Inc. (the “Company”) and dated
                    , 2015, (the “Warrant”) and initially to purchase thereunder shares of the common stock, $0.0001 par value per
share, of the Company (the “Shares”), at an exercise price of $         per share, or an aggregate purchase price of
                     Dollars ($            ) (the “Purchase
Price”), subject to adjustment. 
 Pursuant to the terms of the Warrant, the undersigned intends that payment of the Exercise Price be
made as: 
                      a
“Cash Exercise” with respect to                  shares of Common Stock; and/or 

                     a “Cashless
Exercise” with respect to                  shares of Common Stock. 

In the event that the undersigned has elected a Cash Exercise with respect to some or all of the Common Stock to be issued pursuant hereto, the undersigned
shall pay the Aggregate Exercise Price in the sum of $             to the Company in accordance with the terms of the Warrant. 

The undersigned has delivered to the Company a completed and executed Letter Agreement in the form attached as Exhibit B to the Warrant. [The
undersigned hereby agrees to enter into and be subject to the restrictions and limitations of the Company’s Amended and Restated Investors’ Rights Agreement, Voting and Drag-Along Agreement and Right of First Refusal and Co-Sale Agreement that certain Stockholders’ Agreement, by and among the Company and the stockholders party thereto (collectively, the “Stockholder Agreements”), and in
connection therewith has delivered to the Company a completed and executed Joinder to the Stockholder Agreements attached as Exhibit C to this Warrant.][Do not include if the Stockholder Agreements are no longer in effect.] 

 
			
	Very truly yours,
	
	  

	
	  

	Name:	 	
	Title:	 	

  
 -15- 

 EXHIBIT B 

THIS AGREEMENT MUST BE COMPLETED, SIGNED AND RETURNED TO MONTROSE ENVIRONMENTAL GROUP, INC., ALONG WITH THE EXERCISE FORM BEFORE THE COMMON STOCK ISSUABLE
UPON EXERCISE OF THE WARRANT CERTIFICATE DATED                     , 2015 WILL BE ISSUED. 

Montrose Environmental Group, Inc. 
 Attention: Chief Executive
Officer 
 The undersigned,
                                 (“Purchaser”), intends to acquire
                 shares of the common stock, $0.0001 par value per share (the “Common Stock”) of Montrose Environmental Group, Inc.
(the “Company”) from the Company pursuant to the exercise of a certain Warrant to purchase Common Stock held by Purchaser. The Common Stock will be issued to Purchaser in a transaction not involving a public offering and pursuant to
an exemption from registration under the Securities Act of 1933, as amended (the “Securities Act”) and applicable state securities laws. In connection with such purchase and in order to comply with the exemptions from registration
relied upon by the Company, Purchaser represents, warrants and agrees as follows: 
 Purchaser is acquiring the Common Stock for its own account, to hold
for investment, and Purchaser shall not make any sale, transfer or other disposition of the Common Stock in violation of the Securities Act or the General Rules and Regulations promulgated thereunder by the Securities and Exchange Commission or in
violation of any applicable state securities law. 
 Purchaser has been advised that the Common Stock has not been registered for initial issuance under the
Securities Act or state securities laws on the ground that this transaction is exempt from registration, and that reliance by the Company on such exemptions is predicated in part on Purchaser’s representations set forth in this letter. 

Purchaser has been informed that under the Securities Act, the Common Stock must be held indefinitely unless it is subsequently registered under the
Securities Act or unless an exemption from such registration is available with respect to any proposed transfer or disposition by Purchaser of the Common Stock. 

Purchaser also understands and agrees that there will be placed on the certificate(s) for the Common Stock or any substitutions therefor, a legend stating in
substance: 
 “THE SECURITIES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED UNDER THE FEDERAL AND STATE SECURITIES LAWS AND
ARE BEING OFFERED AND SOLD IN RELIANCE UPON EXEMPTIONS FROM THE REGISTRATION REQUIREMENTS OF THE FEDERAL AND STATE SECURITIES LAWS. THESE SECURITIES HAVE BEEN ACQUIRED FOR INVESTMENT AND MAY NOT BE OFFERED, SOLD, ASSIGNED, PLEDGED, HYPOTHECATED OR
OTHERWISE TRANSFERRED, EXCEPT IN A 

 
TRANSACTION WHICH IS REGISTERED UNDER, EXEMPT FROM, OR OTHERWISE IN COMPLIANCE WITH THE FEDERAL AND STATE SECURITIES LAWS, AS TO WHICH THE ISSUER HAS RECEIVED SUCH ASSURANCES AS THE ISSUER MAY
REQUEST, WHICH MAY INCLUDE, A SATISFACTORY OPINION OF ITS COUNSEL. 
 ANY SALE, ASSIGNMENT, TRANSFER, PLEDGE OR OTHER DISPOSITION OF THE
SHARES OF STOCK REPRESENTED BY THIS CERTIFICATE IS RESTRICTED BY, AND SUBJECT TO, THE TERMS AND PROVISIONS OF THE VOTING AND DRAG ALONG AGREEMENT, THE AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT, THE AMENDED AND RESTATED RIGHT OF FIRST
REFUSAL AND CO-SALE AGREEMENT AND THE STOCKHOLDERS’ AGREEMENT BETWEEN THE COMPANY AND THE STOCKHOLDERS SET FORTH THEREIN DATED MAY [    ], 2015, AS SUCH AGREEMENT MAY BE AMENDED FROM
TIME TO TIME. A COPY OF SAID AGREEMENT IS ON FILE WITH THE SECRETARY OF THE COMPANY AT THE PRINCIPAL OFFICE OF THE COMPANY. BY ACCEPTANCE OF THIS CERTIFICATE, THE HOLDER HEREOF AGREES TO BE BOUND BY THE TERMS OF SUCH AGREEMENT.” 

  
 -2- 

 Purchaser has carefully read this letter and has discussed its requirements and other applicable limitations
upon Purchaser’s resale of the Common Stock with Purchaser’s counsel. 
  

			
	Very truly yours,
	
	  

	
	  

		
	By:	 	
	Title:	 	

  
 -3- 

 EXHIBIT C 

JOINDER TO STOCKHOLDERS AGREEMENT 

[SEE ATTACHED] 

 JOINDER TO STOCKHOLDER AGREEMENTS 

This JOINDER TO THE AMENDED AND RESTATED
                                 STOCKHOLDER AGREEMENTS (the
“Joinder”) effecting a joinder to the Amended and Restated Investors’ Rights Agreement, Voting and Drag-Along Agreement and Right of First Refusal and Co-Sale Agreement that certain
Stockholders’ Agreement, by and among the Company and the stockholders party thereto dated as of                          ,
2015, (the “Stockholder Agreements”) among the Company and the stockholders party thereto (the “Stockholders”) is entered into and executed this          day of
                    , 2015 (the “Effective Date”) by the undersigned party (the “New Stockholder”) and Montrose
Environmental Group, Inc. (the “Company”). Capitalized terms not otherwise defined herein shall have the meanings ascribed to them in the Stockholder Agreements. 

RECITALS 
 WHEREAS,
pursuant to the Stockholder Agreements, the Company and its Stockholders have agreed to, among other things, certain stockholder voting provisions and certain restrictions regarding the transfer and issuance of the shares of common stock (the
“Common Stock”) and the shares of Series A Convertible Preferred Stock of the Company (the “Series A Preferred Stock”); 

WHEREAS, pursuant to that certain Confidential Private Placement Memorandum, dated May     , 2015 (the
“Memorandum”), the Company is conducting a private placement of the Series A Preferred Stock (the “Offering”); 

WHEREAS, pursuant to that certain Backup Financing Agreement, dated March 31, 201_, by and between the Company and the
individuals party thereto (the “Backup Investors”), the Backup Investors agreed to personally invest in the Offering up to $10 million in order to ensure the success of the Offering and the Company agreed to issue warrants to
the Backup Investors; 
 WHEREAS, as a condition to the exercise of such warrant, the Backup Investors must enter into and execute
this Joinder. On the Effective Date, the Backup Investors shall become a party to the Stockholder Agreements, inure to all rights and benefits thereunder and become liable and responsible for all liabilities, covenants, representations, warranties
and obligations thereunder. 
 NOW THEREFORE, in consideration for the issuance of the Common Stock to the Backup Investors and for
other sufficient and valuable consideration, the Backup Investors agree as follows: 
 1. Addition of New Stockholder as a
Stockholder under the Stockholder Agreements. The Backup Investors agree that as of the Effective Date, the Backup Investors are hereby made a party to the Stockholder Agreements as a “Stockholder” as if the Backup Investors were
an original party to the Stockholder Agreements. The Backup Investors are entitled to enforce all rights and benefits of a Stockholder under the Stockholder Agreements and shall be bound by all of the obligations of a Stockholder under the
Stockholder Agreements. The Backup Investors hereby make and join in all representations and warranties of the Stockholders as set forth in the Stockholder Agreements. 

2. Effective Time. This Joinder shall be effective as of the Effective Date, as of and made on and as of the Effective
Date. 

 3. Counterparts. This Joinder may be executed in counterparts and by
facsimile or other electronic transmission, each of which shall be deemed an original, but all of which shall constitute one and the same instrument. 

 IN WITNESS WHEREOF, the parties have caused this JOINDER to be duly executed
and delivered as of the date set forth above. 
  

			
	NEW STOCKHOLDER:
	
	  

			
	Name:	 	  

  

			
	MONTROSE ENVIRONMENTAL GROUP, INC.
	
	  

			
	By:	 	  

	Title:	 	  

 (Signature Page to Joinder to Stockholders’ Agreements)

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