Document:

Exhibit
4.10

 

SIXTH
AMENDMENT TO AMENDED AND RESTATED REVOLVING CREDIT,

TERM LOAN AND SECURITY AGREEMENT

 

THIS
SIXTH AMENDMENT TO AMENDED AND RESTATED REVOLVING CREDIT, TERM LOAN AND SECURITY AGREEMENT, dated as of 28, 2014 (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 Amended and Restated Revolving Credit,
Term Loan and Security Agreement dated as of October 31, 2011 (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;

 

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.
Amendment. The Credit Agreement is amended as set forth below:

 

(a)
A new definition of “South Georgia Insurance Proceeds”) is added to Section 1.2 in correct alphabetical order
to read as follows:

 

“
“South Georgia Insurance Proceeds” shall mean the $3,850,000 insurance proceeds from the fire at Borrower’s
Perma-Fix of South Georgia, Inc.’s facility located at 1612 James P. Rodgers Circle, Valdosta, Georgia 31601.”

 

(b)
The definition of “Guarantor” in Section 1.2 is amended to read as follows:

 

“
“Guarantor” shall mean the active Domestic Subsidiaries of Borrower (excluding limited liability companies
and joint ventures not wholly owned by Borrower), Perma-Fix Northwest Richland, Inc., a Washington corporation, Safety and Ecology
Corporation, a Nevada corporation, SEC Federal Services Corporation, a Nevada corporation, SEC Radcon Alliance, LLC, a Tennessee
limited liability company (for as long as such entity remains inactive) and any other Person who may hereafter guarantee payment
or performance of the whole or any part of the Obligations and “Guarantors” means collectively all such Persons.”

 

    	 

    	 

    

 

(c)
Section 2.1(a) is amended to read as follows:

 

“(a)
Amount of Revolving Advances

 

Subject
to the terms and conditions set forth in this Agreement including Section 2.1(b), each Lender, severally and not jointly, will
make Revolving Advances to Borrower in aggregate amounts outstanding at any time equal to such Lender’s Commitment Percentage
of the lesser of (x) the Maximum Revolving Advance Amount less the aggregate Maximum Undrawn Amount of all outstanding Letters
of Credit or (y) an amount equal to the sum of:

 

(i)
an amount equal to the sum of (without duplication) (A) up to 85%, subject to the provisions of Section 2.1(b) hereof, of Acceptable
Government Agency Receivables, (B) up to 50%, subject to the provision of Section 2.1(b) hereof, of Acceptable Unbilled Amounts,
(C) up to 85%, subject to the provisions of Section 2.1(b) hereof, of Commercial Broker Receivables, and (D) up to 85%, subject
to the provisions of Section 2.1(b) hereof, of Commercial Receivables (collectively, the “Advance Rates”); provided,
however, that Foreign Receivables shall not constitute more than ten percent (10%) of Eligible Receivables at any time, minus

 

(ii)
the aggregate Maximum Undrawn Amount of all outstanding Letters of Credit, minus

 

(iii)
a $1,500,000 availability block established from a portion of the South Georgia Insurance Proceeds, minus

 

(iv)
such reserves as Agent may in good faith reasonably deem proper and necessary from time to time.

 

The
amount derived from the sum of (x) Sections 2.1(a)(y)(i) minus (y) Section 2.1 (a)(y)(ii), (iii) and (iv) at any time and from
time to time shall be referred to as the “Formula Amount”. The Revolving Advances shall be evidenced by one or more
secured promissory notes (collectively, the “Revolving Credit Note”) substantially in the form attached hereto as
Exhibit 2.1(a).”

 

    	2

    	 

    

 

(d)
A new sentence is added to the end of Section 4.11 to read as follows:

 

“Notwithstanding
the foregoing, Borrower may retain $2,350,000 of the South Georgia insurance proceeds for working capital purposes.”

 

(e)
Section 7.1(b) is amended to read as follows:

 

“(b)
“Sell, lease, transfer or otherwise dispose of any of its properties or assets, except (i) dispositions of Inventory and
Equipment to the extent expressly permitted by Section 4.3 and (ii) any other sales or dispositions expressly permitted by this
Agreement and (iii) the sale of Schreiber, Yonley and Associates, Inc., one of the Guarantors.”

 

2.
Release of Guarantor. The Agent and the Lenders hereby release Schreiber, Yonley and Associates, Inc. as a Guarantor under
the Secured Subsidiaries Guaranty.

 

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

 

(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.
Conditions Subsequent. Prior to September 28, 2014 or such later date as the Agent may determine, the Borrower shall deliver
or shall cause to be delivered to the Agent (a) documents and other information requested by the Agent with respect to the new
Domestic Subsidiary, Safety and Ecology Radcon Alliance, LLC, an entity organized in the State of Nevada, that will become a Guarantor,
(b) an executed Agreement to be Bound by Guaranty with respect to Safety and Ecology Radcon Alliance, LLC and such other documents
reasonably requested by the Agent to add Safety and Ecology Radcon Alliance, LLC as a Guarantor to the Credit Agreement and the
Other Documents and (c) an executed Second Amendment to Pledge Agreement.

 

5.
Clarification of Condition Subsequent in Fourth Amendment. Pursuant to the terms of the Fourth Amendment to Amended and
Restated Revolving Credit, Term and Security Agreement dated as of April 14, 2014 the Borrower was required, as a condition subsequent,
to deliver to the Agent prior to July 8, 2014 documents relating to Perma-Fix of Canada Inc. The Agent agreed to extend the date
of such deliverables to July 25, 2014 and the required documents were delivered to Agent on that date.

 

6.
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.

 

7.
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.

 

8.
Credit Agreement. Except as expressly modified hereby, all of the terms and provisions of the Credit Agreement remain in
full force and effect.

 

9.
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.

 

10.
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.

 

11.
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.

 

    	3

    	 

    

 

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:	B.
    Naccarato
	 	Title:	CFO

 

	AGENT
    AND LENDER:	PNC BANK, NATIONAL ASSOCIATION,
	 	in its capacity as Agent and as Lender
	 	 	 
	 	By:	/s/
    Alex Council
	 	Name:	Alex
    M. Council
	 	Title:	Vice
    President

 

Sixth
Amendment

Perma-FixExhibit 4.17

 

THIRTEENTH
AMENDMENT TO AMENDED AND RESTATED REVOLVING CREDIT,

TERM LOAN AND SECURITY AGREEMENT

 

THIS
THIRTEENTH AMENDMENT TO AMENDED AND RESTATED REVOLVING CREDIT, TERM LOAN AND SECURITY AGREEMENT, dated as of December 13, 2019
(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 Amended and Restated Revolving Credit,
Term Loan and Security Agreement dated as of October 31, 2011 (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 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) The
definition of “EBITDA” set forth in Section 1.2 is amended to read as follows:

 

“
“EBITDA” shall mean for any period, for Borrower, the sum of (i) Net Income for such period, plus (ii) all
Interest Expense for such period, plus (iii) all charges against income of Borrower for such period for federal, state and local
taxes expenses, plus (iv) depreciation expenses for such period, plus (v) amortization expenses for such period, plus (vi) any
extraordinary, unusual or non-recurring non-cash expenses or losses (including non-cash losses on sales of assets outside of the
Ordinary Course of Business) during such period, minus (vii) any extraordinary, unusual or non-recurring non-cash income or gains
(including gains on the sale of assets outside of the Ordinary Course of Business) during such period, in each case, only to the
extent included in the statement of net income for such period. For purposes of calculating EBITDA (i) add-backs for Agent’s
$50,000 amendment fee charged in connection with the Twelfth Amendment and distributions received by Borrower from joint ventures
approved by Agent will be permitted; (ii) cash investments by Borrower in joint ventures approved by Agent will be a deduction;
and (iii) EBITDA generated by any joint venture will be excluded.”

 

    	 

    	 

    

 

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

 

“(b) Enter
into any partnership, joint venture or similar arrangement, except (i) as described on Schedule 7.12(b) and which will be disclosed
to Agent on a quarterly basis and (ii) a joint venture in which Borrower’s initial investment does not exceed $100,000 (Borrower’s
aggregate investment in all joint ventures shall not exceed $250,000) and whose operating agreement is acceptable to Agent.”

 

2. Conditions
Precedent. This Amendment shall be effective as of the date hereof upon the execution of this Amendment by the Borrower, the
Lenders and the Agent.

 

3. 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.

 

4. 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.

 

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

 

6. 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.

 

7. 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.

 

8. 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.

 

    	2

    	 

    

 

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

 

Thirteenth
Amendment

Perma-Fix

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