Exhibit
4.4


 


THIRD
AMENDMENT TO SECOND AMENDED AND RESTATED


REVOLVING
CREDIT, TERM LOAN AND SECURITY AGREEMENT AND WAIVER


 


THIS
THIRD AMENDMENT TO SECOND AMENDED AND RESTATED REVOLVING CREDIT, TERM LOAN AND SECURITY AGREEMENT AND WAIVER, dated as of March 29, 2022
(this “Amendment”), relating to the Credit Agreement referenced below, is by and among PERMA-FIX ENVIRONMENTAL SERVICES,
INC., a Delaware corporation (the “Borrower”), the lenders identified on the signature pages hereto (the “Lenders”),
and PNC Bank, National Association, a national banking association, as agent for the Lenders (in such capacity, the “Agent”).
Terms used herein but not otherwise defined herein shall have the meanings provided to such terms in the Credit Agreement.


 


W
I T N E S S E T H


 


WHEREAS,
a credit facility has been extended to the Borrower pursuant to the terms of that certain Second Amended and Restated Revolving Credit,
Term Loan and Security Agreement dated as of May 8, 2020 (as amended and modified from time to time, the “Credit Agreement”)
among the Borrower, the Lenders identified therein, and PNC Bank, National Association, as agent for the Lenders;


 


WHEREAS,
the Borrower has requested certain modifications to the Credit Agreement; and


 


WHEREAS,
the Required Lenders have agreed to the requested modifications on the terms and conditions set forth herein;


 


NOW,
THEREFORE, IN CONSIDERATION of the premises and other good and valuable consideration, the receipt and sufficiency of which are hereby
acknowledged, the parties hereto agree as follows:


 


	 	1.	Amendments.
    The Credit Agreement is amended as set forth below:


 


	 	(a)	Section
    3.3(b) is amended to read as follows:


 


	 	“(b)	Facility
    Fee.


 


Borrower
shall pay to Agent a fee for the ratable benefit of Lenders in an amount equal to (i)(x) until the first day of the month in which the
Agent receives Borrower’s Compliance Certificate showing a Fixed Charge Coverage Ratio of not less than 1.15 based on a trailing
twelve months (the “Step Down Date”), 0.50% per annum and (y) after the Step Down Date, 0.375% per annum, multiplied by
(ii) (x) the amount by which the sum of the Maximum Revolving Advance Amount plus the Maximum Equipment Loan Amount exceeds (y) the
sum of the daily unpaid balance of the Revolving Advances plus the daily unpaid balance of the Equipment Loans plus the aggregate amount
of any outstanding Letters of Credit that are available to be drawn during each calendar quarter. Such fee shall be payable to Agent
in arrears on the first day of each calendar quarter with respect to the previous calendar quarter.”


 




    	 



    	 



    

 


	 	(b)	Section
    6.5(b) is amended to read as follows: 


 


	 	“(b)	Fixed
    Charge Coverage Ratio.


 


Cause
to be maintained a Fixed Charge Coverage Ratio of not less than 1.15 to 1.0 for (i) the one quarter period ending as of June 30, 2022;
(ii) the two quarter period ending as of September 30, 2022; (iii) the three quarter period ending as of December 31, 2022; and (iv)
the four quarter period ending as of March 31, 2023 and for each fiscal quarter thereafter.”


 


	 	(c)	Section
    6.5(c) is amended to read as follows: 


 


	 	“(c)	Minimum
    Undrawn Availability.


 


Maintain
Undrawn Availability of at least $3,000,000 at all times until receipt by Agent of Borrower’s June 30, 2022 Compliance Certificate.”


 


(d)
Exhibit 1.2(a) is deleted in its entirety and replaced with a new Exhibit 1.2(a) attached hereto and incorporated herein by
reference.


 


2.
Waiver. The Agent and the Required Lenders waive the Event of Default resulting from Borrowers’ failure to comply with Section
6.5(b) (Fixed Charge Coverage Ratio) for the fiscal quarter ended as of December 31, 2021.


 


3. Conditions
Precedent. This Amendment shall be effective as of the date hereof upon satisfaction of the following conditions:


 


(a)
the execution of this Amendment by the Borrower, the Required Lenders and the Agent, and


 


(b)
receipt by the Agent of an amendment fee of $15,000.


 


4.
Representations and Warranties. The Borrower hereby represents and warrants in connection herewith that as of the date hereof
(after giving effect hereto) (i) the representations and warranties set forth in Article V of the Credit Agreement are true and correct
in all material respects (except those which expressly relate to an earlier date), and (ii) no Default or Event of Default has occurred
and is continuing under the Credit Agreement.


 


5.
Acknowledgments, Affirmations and Agreements. The Borrower (i) acknowledges and consents to all of the terms and conditions of
this Amendment and (ii) affirms all of its obligations under the Credit Agreement and the Other Documents.


 


6. Credit
Agreement. Except as expressly modified hereby, all of the terms and provisions of the Credit Agreement remain in full force and
effect.


 


7. Expenses.
The Borrower agrees to pay all reasonable costs and expenses in connection with the preparation, execution and delivery of this
Amendment, including the reasonable fees and expenses of the Agent’s legal counsel.


 


8. Counterparts.
This Amendment may be executed in any number of counterparts, each of which when so executed and delivered shall be deemed an
original. It shall not be necessary in making proof of this Amendment to produce or account for more than one such
counterpart.


 


9. Governing
Law. This Amendment shall be deemed to be a contract under, and shall for all purposes be construed in accordance with, the laws
of the State of New York.


 




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IN
WITNESS WHEREOF, each of the parties hereto has caused a counterpart of this Amendment to be duly executed and delivered as of the date
first above written.


 


	BORROWER:	PERMA-FIX
    ENVIRONMENTAL SERVICES, INC.
	 	 	 
	 	By
    :	/s/Ben
    Naccarato
	 	Name
    :	Ben
    Naccarato
	 	Title
    :	CFO
	 	 	 
	AGENT
    AND LENDER:	PNC
    BANK, NATIONAL ASSOCIATION, 

in its capacity as Agent and as Lender
	 	 	 
	 	By
    :	/s/Scott
    Goldstein
	 	Name
    :	Scott
    Goldstein
	 	Title
    :	Senior
    Vice President


 


Third
Amendment to Second Amended and Restated


Revolving
Credit, Term Loan and Security Agreement


Perma-Fix


 




    	 



    	 



    

 


Exhibit
1.2(a)


 


[Letterhead
of Company]


 


COMPLIANCE
CERTIFICATE          __________________, 20__


 


PNC
Bank, National Association, as Agent


One
Piedmont Town Center


4720
Piedmont Row Drive


Suite
300


Charlotte,
NC 28210


Attention:
Scott Goldstein


 


The
undersigned, the [Chief Executive Officer][President][Chief Financial Officer][Controller] of Perma-Fix Environmental Services,
Inc., a Delaware corporation, gives this certificate to PNC Bank, National Association, as Agent (in such capacity, the “Agent”),
in accordance with the requirements of Section 9.7 and 9.8 (Annual and Quarterly Financial Statements) of that certain Second
Amended and Restated Revolving Credit, Term Loan and Security Agreement dated as of May 8, 2020, among the Borrower, the financial institutions
which are parties thereto as Lenders, and the Agent (the “Loan Agreement”).


 


Capitalized
terms used in this Certificate, unless otherwise defined herein, shall have the meanings ascribed to them in the Loan Agreement.


 


1.
Based upon my review of the financial statements of the Company for the [Fiscal Year/Quarter] ending __________________, 20__,
copies of which are attached hereto, I hereby certify that:


 


	 	(a)	Section
    6.5(a), the Tangible Adjusted Net Worth is [satisfied / not satisfied] at $__________ when compared to the required amount of at
    least $27,000,000.
	 	 	 
	 	(b)	Section
    6.5(b), the Fixed Charge Coverage Ratio is [satisfied / not satisfied] at _____ to 1.0 when compared to the required 1.15 to 1.0
    for (i) the one quarter period ending as of June 30, 2022; (ii) the two quarter period ending as of September 30, 2022; (iii)
    the three quarter period ending as of December 31, 2022; and (iv) the four quarter period ending as of March 31, 2023 and as of the
    end of each fiscal quarter thereafter.
	 	 	 
	 	(c)	Section
    6.5(c), Minimum Undrawn Availability is [satisfied/not satisfied] of $____________ when compared to the required $3,000,000.
	 	 	 
	 	(d)	Sections
    7.4, Investments are [satisfied/not satisfied] as there are $xx,xxx (if none, so state) outstanding.
	 	 	 
	 	(e)	Sections
    7.5(a), Loans are [satisfied/not satisfied] as no advances, loans or extensions of credit have been made except for extensions of
    trade credit in connection with the sale of Inventory in the Ordinary Course of Business and Section 7.5(b), Loans to employees in
    the Ordinary Course of Business in the amount of $xx,xxx (if none, so state) are [less/more] than the allowable amount of $1,000,000
    in the aggregate.


 




    	 



    	 



    

 


	 	(f)	Sections
    7.6, Capital Expenditures are [satisfied/not satisfied] as $xx,xxx is [less/more] than the allowable amount of $6,000,000 for any
    fiscal year.
	 	 	 
	 	(g)	Sections
    7.7, Dividends and Distributions are [satisfied/not satisfied] as the payment of all dividends and distributions comply with the
    provisions of Section 7.7.
	 	 	 
	 	(h)	Sections
    7.8, Create additional Indebtedness is [satisfied/not satisfied] as such additional Indebtedness complies with the provisions of
    Section 7.8.
	 	 	 
	 	(i)	Sections
    7.11, Leases are [satisfied/not satisfied] as $xx,xxx is [less/ more] when compared to the annual rental payments for all
    property of $1,000,000.


 


	2.	No
    Default exists on the date hereof, other than: _______________[if none, so state]; and
	 	 
	3.	No
    Event of Default exists on the date hereof, other than _____________ [if none, so state].
	 	 
	4.	As
    of the date hereof, if applicable, Borrower is current in all material respects in payment of all accrued rent, warehouse fees, and
    other charges to Persons who own or lease any premises where any of the Collateral is located, and there are no pending disputes
    or claims regarding Borrowers’ failure to pay or delay in payment of any such rent or other charges.
	 	 
	5.	Additionally,
    as of the date hereof, as required by Section 9.3, to the best of my knowledge, Borrower is in compliance in all material respects
    with all federal, state and local laws relating to environmental protection and control and occupational safety and health, or if
    such is not the case, specifying in all areas of material non-compliance of which such officer has actual knowledge and the proposed
    action Borrower will implement in order to achieve compliance in all material respects unless full compliance is otherwise required.
	 	 
	6.	The
    financial statements attached hereto are complete and accurate in all respects and were prepared in accordance with GAAP, consistently
    applied, except for the absence of footnotes and subject to year end audit adjustments, and except as may be disclosed in such financial
    statements.


 


	 	PERMA-FIX
    ENVIRONMENTAL SERVICES, INC.
	 	 
	 	_________________
    as [Chief Executive Officer] [President] 

    [Chief
    Financial Officer] [Controller]

	 	 
	 	Dated _______________ 


 




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Spreadsheet