Amended and Restated Credit Agreement


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 Exhibit 10.1 
  
 AMENDED AND RESTATED 
 CREDIT AGREEMENT 
  
 dated as of 
 January 30, 2006 
  
 Among 
  
 CALGON CARBON CORPORATION 
 as
Borrower, 
  
 THE LENDING INSTITUTIONS NAMED THEREIN

 as Lenders, 
  
 NATIONAL CITY BANK OF PENNSYLVANIA 
 as a Lender, the Swing Line Lender, 
 as Administrative Agent, and as Collateral Agent 






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TABLE OF CONTENTS 
  

							
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	SECTION 2.         
DEFINITIONS AND TERMS 	  	11
				
	 	 	    2.1.	  	
Certain Defined Terms	  	11
				
	 	 	    2.2.	  	
Computation of Time Periods	  	33
				
	 	 	    2.3.	  	
Accounting Terms	  	33
				
	 	 	    2.4.	  	
Terms Generally	  	33
		
	SECTION 3.         
AMOUNT AND TERMS OF LOANS 	  	33
				
	 	 	    3.1.	  	
Commitments for Loans	  	33
				
	 	 	    3.2.	  	
Minimum Borrowing Amounts, etc.; Pro Rata Borrowings	  	35
				
	 	 	    3.3.	  	
Procedures for Borrowing	  	35
				
	 	 	    3.4.	  	
Disbursement of Funds	  	36
				
	 	 	    3.5.	  	
Refunding of, or Participation in, Swing Line Revolving Loans	  	37
				
	 	 	    3.6.	  	
Notes and Loan Accounts	  	38
				
	 	 	    3.7.	  	
Voluntary Conversions of Loans	  	40
				
	 	 	    3.8.	  	
Interest	  	40
				
	 	 	    3.9.	  	
Selection and Continuation of Interest Periods	  	43
				
	 	 	    3.10.	  	
Increased Costs, Illegality, etc	  	44
				
	 	 	    3.11.	  	
Breakage Compensation	  	46
				
	 	 	    3.12.	  	
Change of Lending Office; Replacement of Lenders	  	46
		
	SECTION 4.         
LETTERS OF CREDIT 	  	47
				
	 	 	    4.1.	  	
Letters of Credit	  	47
				
	 	 	    4.2.	  	
Letter of Credit Requests; Notices of Issuance	  	48
				
	 	 	    4.3.	  	
Agreement to Repay Letter of Credit Drawings	  	49
				
	 	 	    4.4.	  	
Letter of Credit Participations	  	49
				
	 	 	    4.5.	  	
Increased Costs	  	51
				
	 	 	    4.6.	  	
Guaranty of Subsidiary Letter of Credit Obligations	  	52
		
	SECTION 5.         
FEES 	  	53
				
	 	 	    5.1.	  	
Commitment Fee 	  	53
				
	 	 	    5.2.	  	
Letter of Credit Fees	  	54
				
	 	 	    5.3.	  	
Facing Fees	  	54
				
	 	 	    5.4.	  	
Letter of Credit Administrative Fees	  	55
				
	 	 	    5.5.	  	
Other Fees	  	55
				
	 	 	    5.6.	  	
Computations of Fees	  	55
		
	SECTION 6.         
REDUCTIONS AND TERMINATION OF COMMITMENTS 	  	55

  

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	 	 	    6.1.	  	
Voluntary Termination/Reduction of Commitments	  	55
				
	 	 	    6.2.	  	
Mandatory Termination/Adjustments of Commitments, etc	  	55
		
	SECTION 7.         
PAYMENTS 	  	56
				
	 	 	    7.1.	  	
Voluntary Prepayments	  	56
				
	 	 	    7.2.	  	
Scheduled Payments and Mandatory Prepayments	  	57
				
	 	 	    7.3.	  	
Method and Place of Payment	  	59
				
	 	 	    7.4.	  	
Net Payments	  	59
				
	 	 	    7.5.	  	
Late Charges	  	61
		
	SECTION 8.         
CONDITIONS PRECEDENT 	  	61
				
	 	 	    8.1.	  	
Conditions Precedent at Closing Date	  	61
				
	 	 	    8.2.	  	
Conditions Precedent to All Loans	  	63
		
	SECTION 9.         
REPRESENTATIONS AND WARRANTIES 	  	64
				
	 	 	    9.1.	  	
Corporate Status, etc	  	64
				
	 	 	    9.2.	  	
Subsidiaries	  	64
				
	 	 	    9.3.	  	
Corporate Power and Authority, etc	  	64
				
	 	 	    9.4.	  	
No Violation	  	64
				
	 	 	    9.5.	  	
Governmental Approvals	  	65
				
	 	 	    9.6.	  	
Litigation	  	65
				
	 	 	    9.7.	  	
Use of Proceeds; Margin Regulations	  	65
				
	 	 	    9.8.	  	
Financial Statements, etc	  	65
				
	 	 	    9.9.	  	
No Material Adverse Change	  	66
				
	 	 	    9.10.	  	
Tax Returns and Payments	  	66
				
	 	 	    9.11.	  	
Title to Properties, etc	  	66
				
	 	 	    9.12.	  	
Lawful Operations, etc	  	66
				
	 	 	    9.13.	  	
Environmental Matters	  	66
				
	 	 	    9.14.	  	
Compliance with ERISA	  	67
				
	 	 	    9.15.	  	
Intellectual Property, etc	  	67
				
	 	 	    9.16.	  	
Investment Company Act, etc	  	68
				
	 	 	    9.17.	  	
Burdensome Contracts; Labor Relations	  	68
				
	 	 	    9.18.	  	
Existing Indebtedness	  	68
				
	 	 	    9.19.	  	
Security Interests	  	68
				
	 	 	    9.20.	  	
True and Complete Disclosure	  	69
				
	 	 	    9.21.	  	
Insurance	  	69

  

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	SECTION 10.         
AFFIRMATIVE COVENANTS 	  	69
				
	 	 	    10.1.	  	
Reporting Requirements	  	69
				
	 	 	    10.2.	  	
Books, Records and Inspections	  	72
				
	 	 	    10.3.	  	
Insurance	  	72
				
	 	 	    10.4.	  	
Payment of Taxes and Claims	  	73
				
	 	 	    10.5.	  	
Corporate Franchises	  	73
				
	 	 	    10.6.	  	
Good Repair	  	73
				
	 	 	    10.7.	  	
Compliance with Statutes, etc	  	73
				
	 	 	    10.8.	  	
Compliance with Environmental Laws	  	73
				
	 	 	    10.9.	  	
Fiscal Years, Fiscal Quarters	  	74
				
	 	 	    10.10.	  	
Hedge Agreements, etc	  	74
				
	 	 	    10.11.	  	
Most Favored Covenant Status	  	74
				
	 	 	    10.12.	  	
[Reserved.]	  	75
				
	 	 	    10.13.	  	
Certain Subsidiaries to Join in Subsidiary Guaranty	  	75
				
	 	 	    10.14.	  	
Additional Security; Further Assurances	  	75
				
	 	 	    10.15.	  	
Casualty and Condemnation	  	78
				
	 	 	    10.16.	  	
Control Agreements	  	78
				
	 	 	    10.17.	  	
Collateral Access Agreements	  	78
				
	 	 	    10.18.	  	
Title Policies and Other Documents Relating to Mortgaged Real Property	  	78
		
	SECTION 11.         
NEGATIVE COVENANTS 	  	79
				
	 	 	    11.1.	  	
Changes in Business	  	79
				
	 	 	    11.2.	  	
Consolidation, Merger, Acquisitions, Asset Sales, etc	  	79
				
	 	 	    11.3.	  	
Liens	  	82
				
	 	 	    11.4.	  	
Indebtedness	  	82
				
	 	 	    11.5.	  	
Advances, Investments, Loans and Guaranty Obligations	  	83
				
	 	 	    11.6.	  	
Dividends, etc	  	85
				
	 	 	    11.7.	  	
Asset Coverage Percentage	  	85
				
	 	 	    11.8.	  	
Ratio of Consolidated Total Debt to Adjusted Consolidated EBITDA	  	85
				
	 	 	    11.9.	  	
Fixed Charge Coverage Ratio	  	85
				
	 	 	    11.10.	  	
Minimum Consolidated Net Worth	  	85
				
	 	 	    11.11.	  	
Prepayments and Refinancings of Other Debt, etc	  	85
				
	 	 	    11.12.	  	
Limitation on Certain Restrictive Agreements	  	86
				
	 	 	    11.13.	  	
Transactions with Affiliates	  	86

  

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	 	 	    11.14.	  	
Plan Terminations, Minimum Funding, etc 	  	86
		
	SECTION 12.         
EVENTS OF DEFAULT 	  	87
				
	 	 	    12.1.	  	
Events of Default	  	87
				
	 	 	    12.2.	  	
Acceleration, etc	  	88
				
	 	 	    12.3.	  	
Application of Liquidation Proceeds	  	89
		
	SECTION 13.         
THE ADMINISTRATIVE AGENT 	  	90
				
	 	 	    13.1.	  	
Appointment	  	90
				
	 	 	    13.2.	  	
Delegation of Duties	  	90
				
	 	 	    13.3.	  	
Exculpatory Provisions	  	90
				
	 	 	    13.4.	  	
Reliance by Administrative Agent	  	90
				
	 	 	    13.5.	  	
Notice of Default	  	91
				
	 	 	    13.6.	  	
Non-Reliance	  	91
				
	 	 	    13.7.	  	
Indemnification	  	91
				
	 	 	    13.8.	  	
The Administrative Agent in Individual Capacity	  	92
				
	 	 	    13.9.	  	
Successor Administrative Agent	  	92
				
	 	 	    13.10.	  	
Other Agents	  	92
		
	SECTION 14.         
MISCELLANEOUS 	  	92
				
	 	 	    14.1.	  	
Payment of Expenses etc	  	92
				
	 	 	    14.2.	  	
Right of Setoff	  	94
				
	 	 	    14.3.	  	
Notices	  	94
				
	 	 	    14.4.	  	
Benefit of Agreement	  	94
				
	 	 	    14.5.	  	
No Waiver: Remedies Cumulative	  	97
				
	 	 	    14.6.	  	
Payments Pro Rata	  	98
				
	 	 	    14.7.	  	
Calculations: Computations	  	98
				
	 	 	    14.8.	  	
Governing Law; Submission to Jurisdiction; Venue; Waiver of Jury Trial	  	98
				
	 	 	    14.9.	  	
Counterparts	  	99
				
	 	 	    14.10.	  	
Effectiveness; Integration	  	99
				
	 	 	    14.11.	  	
Headings Descriptive	  	99
				
	 	 	    14.12.	  	
Amendment or Waiver	  	100
				
	 	 	    14.13.	  	
Survival	  	100
				
	 	 	    14.14.	  	
Domicile of Loans	  	101
				
	 	 	    14.15.	  	
Confidentiality	  	101
				
	 	 	    14.16.	  	
Lender Register	  	101

  

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	 	 	    14.17.	  	
General Limitation of Liability	  	102
				
	 	 	    14.18.	  	
No Duty	  	102
				
	 	 	    14.19.	  	
Lenders and Agents Not Fiduciary to Borrower, etc	  	102
				
	 	 	    14.20.	  	
Survival of Representations and Warranties	  	102
				
	 	 	    14.21.	  	
Independence of Covenants	  	102
		
	SECTION 15.         
RESTATEMENT OF EXISTING LOAN AGREEMENT 	  	103
				
	 	 	    15.1.	  	
Acknowledgment of Existing Obligations and Restatement Thereof 	  	103

  

					
	ANNEX I	 	—	  	
INFORMATION AS TO LENDERS
	ANNEX II	 	—	  	
INFORMATION AS TO SUBSIDIARIES
	ANNEX III	 	—	  	
DESCRIPTION OF EXISTING INDEBTEDNESS
	ANNEX IV	 	—	  	
DESCRIPTION OF EXISTING LIENS
	ANNEX V	 	—	  	
DESCRIPTION OF EXISTING ADVANCES, LOANS, INVESTMENTS AND GUARANTEES
	ANNEX VI	 	—	  	
DESCRIPTION OF EXISTING LETTERS OF CREDIT
	ANNEX VII	 	—	  	
DESCRIPTION OF MATERIAL RECOVERY EVENTS
	ANNEX VIII	 	—	  	
DESCRIPTION OF CONTINGENT LIABILITIES WITH RESPECT TO POST-RETIREMENT WELFARE BENEFIT PLANS
	ANNEX IX	 	—	  	
DESCRIPTION OF DOCUMENTS REQUIRED TO BE SCHEDULED PURSUANT TO SECTION 9.11
	ANNEX X	 	—	  	
ENVIRONMENTAL MATTERS
	ANNEX XI	 	—	  	
ADJUSTMENTS TO EBITDA
			
	EXHIBIT A-1	 	-	  	
FORM OF TERM NOTE
	EXHIBIT A-2	 	-	  	
FORM OF GENERAL REVOLVING NOTE
	EXHIBIT A-3	 	-	  	
FORM OF SWING LINE REVOLVING NOTE
	EXHIBIT B-1	 	-	  	
FORM OF NOTICE OF BORROWING
	EXHIBIT B-2	 	-	  	
FORM OF NOTICE OF CONVERSION
	EXHIBIT B-3	 	-	  	
FORM OF LETTER OF CREDIT REQUEST
	EXHIBIT C	 	—	  	
FORM OF CORPORATE CERTIFICATE
	EXHIBIT D	 	 	  	
FORM OF SOLVENCY CERTIFICATE
	EXHIBIT E	 	-	  	
FORM OF ASSIGNMENT AGREEMENT
	EXHIBIT F	 	-	  	
FORM OF SECTION 6.4(b)(ii) CERTIFICATE

  

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 EXECUTION VERSION 
  
 AMENDED AND RESTATED CREDIT AGREEMENT, dated as of January 30, 2006 (herein, as amended, supplemented or
otherwise modified from time to time, this “Agreement”), among the following: 
  
 (i) CALGON CARBON CORPORATION, a Delaware corporation (herein, together with its successors and assigns, the
“Borrower”); 
  
 (ii) the
lending institutions listed in Annex I hereto (herein, together with its or their successors and assigns, each a “Lender” and collectively, the “Lenders”); and 
  
 (iii) NATIONAL CITY BANK OF PENNSYLVANIA, a national
banking association, as one of the Lenders, as the Lender under the Swing Line Revolving Facility referred to herein (together with its successors and assigns, in such capacity, the “Swing Line Lender”), as the lead arranger
and book manager, as administrative agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (as hereinafter defined). 
  
 PRELIMINARY STATEMENTS: 
  
 (1) Unless otherwise defined herein, all capitalized terms used herein and defined in section 1 are used herein as so defined. 
  
 (2) The Borrower, certain financial institutions (the “Existing
Lenders”) and the Administrative Agent are parties to a Credit Agreement, dated as of February 18, 2004 (as amended, the “Existing Credit Agreement”). 
  
 (3) The Borrower has requested, and the Administrative Agent and the Lenders
have agreed to make, certain amendments and modifications to the Existing Credit Agreement. 
  
 (4) The Borrower, the Lenders and the Administrative Agent desire to evidence the amendments and modifications by amending and restating the Existing Credit Agreement in its entirety in order to, among other things
(i) provide for the issuance of a new term loan facility in the amount of $18,000,000 and (ii) provide funds for working capital, capital expenditures and other lawful purposes. 
  
 (5) On the Closing Date, the outstanding Loans and Commitments of certain of the Existing Lenders will be assigned in their
entirety to the Lenders under this Agreement and such Loans and Commitments will continue and be part of the Loans and Commitments hereunder. The proceeds of the Loans made on the Closing Date will be used to repay or return, as applicable, certain
amounts under the Existing Credit Agreement to those Existing Lenders who thereafter are not Lenders on the Closing Date and for other several corporate purposes. On the Closing Date, the indebtedness under the Existing Credit Agreement will be
adjusted as provided under this Agreement or will be re-allocated among the Lenders in accordance with their Commitments established by this Agreement. 
  
 (6) Subject to and upon the terms and conditions set forth herein, the Lenders are willing to make available to the Borrower the credit facilities
provided for herein. 






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 NOW, THEREFORE, it is agreed and the parties intending to be legally bound hereby: 
  
 
SECTION 2. DEFINITIONS AND TERMS. 
  
 
2.1. Certain Defined Terms. As used herein, the following terms shall have the meanings herein specified unless the context otherwise requires: 
  
 “Account” shall mean any present or future right to payment for goods sold or leased or for services
rendered, whether now existing or hereafter arising and whether or not earned by performance. 
  
 “Acquisition” shall mean and include (i) any acquisition on a going concern basis (whether by purchase, lease or otherwise) of any facility and/or business operated by any person who is
not a Subsidiary of the Borrower, and (ii) any acquisition of a majority of the outstanding equity or other similar interests in any such person (whether by merger, stock purchase or otherwise). 
  
 “Additional Security Document” shall have the meaning
assigned to such term in section 9.14(b). 
  
 “Adjusted Consolidated EBITDA” shall mean, for any period, Consolidated EBITDA plus, with respect to the fiscal quarters ending December 31, 2005, March 31, 2006, June 30, 2006
and September 30, 2006, the applicable amounts described on Annex XI to the extent included in determining Consolidated Net Income for such periods. 
  

“Administrative Agent” shall have the meaning provided in the first paragraph of this Agreement and shall include any successor
to the Administrative Agent appointed pursuant to section 12.9. 
  
 “Affiliate” shall mean, with respect to any person, any other person directly or indirectly controlling, controlled by, or under direct or indirect common control with such person. A person shall be deemed to control
a second person if such first person possesses, directly or indirectly, the power (i) to vote 10% or more of the securities having ordinary voting power for the election of directors or managers of such second person or (ii) to direct or
cause the direction of the management and policies of such second person, whether through the ownership of voting securities, by contract or otherwise. Notwithstanding the foregoing, (x) a director, officer or employee of a person shall not,
solely by reason of such status, be considered an Affiliate of such person; and (y) neither the Administrative Agent nor any Lender shall in any event be considered an Affiliate of the Borrower or any of its Subsidiaries. 
  
 “Agreement” shall have the meaning provided in the
introductory paragraph of this Agreement. 
  
 “Applicable Commitment Fee Rate” shall have the meaning provided in section 4.1(b). 
  
 “Applicable Eurodollar Rate Margin” shall have the meaning provided in section 2.8(h). 
  
 “Applicable Lending Office” shall mean, with respect
to each Lender, (i) such Lender’s Domestic Lending Office in the case of Borrowings consisting of Prime Rate Loans and (ii) such Lender’s Eurodollar Lending Office in the case of Borrowings consisting of Eurodollar Loans.

  
 “Applicable Prime Rate Margin” shall
have the meaning provided in section 2.8(h). 
  
 “Approved Bank” shall have the meaning provided in the definition of Cash Equivalents. 
  
 “Asset Sale” shall mean the sale, transfer or other disposition (including by means of Sale and Lease-Back Transactions, and by
means of mergers, consolidations, and liquidations of a corporation, partnership or limited liability company of the interests therein of the Borrower or any Subsidiary) by the Borrower or any Subsidiary to any person other than the Borrower or any
Subsidiary of any of their respective assets, provided that the term Asset Sale specifically excludes any sales, transfers or other dispositions of inventory, or obsolete or excess furniture, fixtures, equipment or other property,
tangible or intangible, in each case in the ordinary course of business. 
  

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 “Assignment Agreement” shall mean an Assignment Agreement substantially in the
form of Exhibit E hereto. 
  
 “AST” shall
mean Advanced Separation Technologies, Inc., a Florida corporation. 
  
 “Authorized Officer” shall mean any officer or employee of the Borrower designated as such in writing to the Administrative Agent by the Borrower. 
  
 “Bankruptcy Code” shall have the meaning provided in section 11.1(h). 
  
 “Basket Investments” shall have the meaning provided
in section 10.5(l). 
  
 “Bodenfelde
Facility” shall mean the facility located in Lower Saxony, Germany, which relates to the German retail charcoal business. 
  
 “Borrower” shall have the meaning provided in the first paragraph of this Agreement. 
  
 “Borrowing” shall mean (i) the incurrence of
Term Loans by the Borrower from all of the Lenders having Commitments in respect thereof on a pro rata basis on the Closing Date (or resulting from Conversions or Continuations on a given date), (ii) the incurrence of General
Revolving Loans consisting of one Type of Loan, by the Borrower from all of the Lenders having Commitments in respect thereof on a pro rata basis on a given date (or resulting from Conversions or Continuations on a given date), having
in the case of Eurodollar Loans the same Interest Period, or (iii) the incurrence of a Swing Line Revolving Loan of a single Type from the Swing Line Lender on a given date. 
  
 “Business Day” shall mean: (i) for all purposes other than as covered by clause
(ii) below, any day excluding Saturday, Sunday and any day that shall be in the city in which the applicable Payment Office is located a legal holiday or a day on which banking institutions are authorized by law or other governmental actions to
close; and (ii) with respect to all notices and determination in connection with, and payments of principal and interest on, Eurodollar Loans, any day that is a Business Day described in clause (i) and that is also a day on which dealings
are carried on in the London interbank market and banks are open for business in London in which any applicable Eurodollar Loans are denominated. 
  
 “Capital Distributions” shall mean a payment made, liability incurred or other consideration given as a dividend, return of
capital (including, but not limited to, the purchase, redemption, retirement or other acquisition of (x) any capital stock of any class of the Borrower (other than for a consideration consisting solely of capital stock of the same class of the
Borrower) or (y) any warrants, rights or options to acquire or any securities convertible into or exchangeable for any capital stock of the Borrower) or other distribution in respect of the Borrower’s capital stock or other equity
interest, excluding dividends or distributions made solely in the form of capital stock of the Borrower. 
  
 “Capital Lease” as applied to any person shall mean any lease of any property (whether real, personal or mixed) by that person as
lessee that, in conformity with GAAP, is accounted for as a capital lease on the balance sheet of that person. 
  
 “Capitalized Lease Obligations” shall mean all obligations under Capital Leases of the Borrower or any of its Subsidiaries in each
case taken at the amount thereof accounted for as liabilities identified as “capital lease obligations” (or any similar words) on a consolidated balance sheet of the Borrower and its Subsidiaries prepared in accordance with GAAP.

  

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 “Cash Equivalents” shall mean any of the following (including foreign equivalents
thereof): 
  
 (i) securities issued or directly
and fully guaranteed or insured by the United States of America or any agency or instrumentality thereof (provided that the full faith and credit of the United States of America is pledged in support thereof) having maturities of not
more than one year from the date of acquisition; 
  
 (ii) U.S. dollar denominated time deposits, certificates of deposit and bankers’ acceptances of (x) any Lender or (y) any bank whose short-term commercial paper rating from S&P is at least A-1 or the equivalent thereof or
from Moody’s is at least P-1 or the equivalent thereof (any such bank, an “Approved Bank”), in each case with maturities of not more than 180 days from the date of acquisition; 
  
 (iii) commercial paper issued by any Lender or Approved Bank
or by the parent company of any Lender or Approved Bank and commercial paper issued by, or guaranteed by, any industrial or financial company with a short- term commercial paper rating of at least A-1 or the equivalent thereof by S&P or at least
P-1 or the equivalent thereof by Moody’s, or guaranteed by any industrial company with a long term unsecured debt rating of at least A or A2, or the equivalent of each thereof, from S&P or Moody’s, as the case may be, and in each case
maturing within 270 days after the date of acquisition; 
  
 (iv) investments in money market funds substantially all the assets of which are comprised of securities of the types described in clauses (i) through (iii) above; and 
  
 (v) investments in money market funds access to which is
provided as part of “sweep” accounts maintained with a Lender or an Approved Bank. 
  
 “Cash Proceeds” shall mean, with respect to any: (i) Asset Sale, the aggregate cash payments (including any cash received by way of deferred payment pursuant to a note receivable issued in
connection with such Asset Sale, other than the portion of such deferred payment constituting interest, but only as and when so received) received by the Borrower and/or any Subsidiary from such Asset Sale; (ii) Event of Loss, the aggregate
cash payments received by the Borrower and/or any Subsidiary as the result of such Event of Loss; and (iii) Material Recovery Event, the aggregate cash payments received by the Borrower and/or any Subsidiary as the result of such Material
Recovery Event. 
  
 “CERCLA” shall mean
the Comprehensive Environmental Response, Compensation, and Liability Act of 1980, as the same may be amended from time to time, 42 U.S.C. § 9601 et seq. 
  
 “Change of Control” shall mean and include any of the following: 
  
 (i) during any period of two consecutive calendar years,
individuals who at the beginning of such period constituted the Borrower’s Board of Directors (together with any new directors (x) whose election by the Borrower’s Board of Directors was, or (y) whose nomination for election by
the Borrower’s shareholders was (prior to the date of the proxy or consent solicitation relating to such nomination), approved by a vote of at least two-thirds of the directors then still in office who either were directors at the beginning of
such period or whose election or nomination for election was previously so approved), shall cease for any reason to constitute a majority of the directors then in office; 
  
 (ii) any person or group (as such term is defined in section 13(d)(3) of the 1934 Act) shall acquire,
directly or indirectly, beneficial ownership (within the meaning of Rule 13d-3 and 13d-5 of the 1934 Act) of more than 35%, on a fully diluted basis, of the economic or voting interest in the Borrower’s capital stock; 
  

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 (iii) the shareholders of the Borrower approve a merger or consolidation of the Borrower
with any other person, other than a merger or consolidation that would result in the voting securities of the Borrower outstanding immediately prior thereto continuing to represent (either by remaining outstanding or by being converted
or exchanged for voting securities of the surviving or resulting entity) more than 75% of the combined voting power of the voting securities of the Borrower or such surviving or resulting entity outstanding after such merger or consolidation;

  
 (iv) the shareholders of the Borrower approve
a plan of complete liquidation of the Borrower or an agreement or agreements for the sale or disposition by the Borrower of all or substantially all of the Borrower’s assets; and/or 
  
 (v) any “change in control” or any similar term as defined in any of the indentures, credit
agreements, note or securities purchase agreements, or other agreements or instruments governing any Indebtedness of the Borrower or any of its Subsidiaries with an outstanding principal amount, or providing for commitments to lend or otherwise
invest or purchase in an outstanding principal amount, of at least $10,000,000 (or the equivalent amount in any other currency). 
  
 “Claims” shall have the meaning provided in the definition of Environmental Claims. 
  
 “Closing Date” shall mean the date, on or after the
Effective Date, upon which the conditions specified in section 7.1 are satisfied. 
  
 “Closing Date Mortgaged Property” shall mean the following Real Property, each of which is subject to a Mortgage as of the Closing Date: (i) the virgin carbon manufacturing and
reactivation facility on Neville Island, Pennsylvania; (ii) the facility located in Big Sandy, Kentucky; and (iii) the facility located in Pearl River, Mississippi. 
  
 “Code” shall mean the Internal Revenue Code of 1986, as amended from time to time, and the
regulations promulgated thereunder. Section references to the Code are to the Code, as in effect at the Effective Date and any subsequent provisions of the Code, amendatory thereof, supplemental thereto or substituted therefor. 
  
 “Collateral” means any collateral covered by any
Security Document. 
  
 “Collateral Access
Agreement” shall mean each landlord waiver or other agreement, in form and substance satisfactory to the Collateral Agent, between the Collateral Agent and any third party (including any bailee, assignee, customs broker, or other
similar Person) in possession of any Collateral or any landlord of any Credit Party for any real property where any Collateral is located. 
  
 “Collateral Agent” shall mean the Administrative Agent acting in its capacity as Collateral Agent for the Lenders pursuant to the
Security Documents. 
  
 “Collateral Assignment of
Patents” shall mean each Collateral Assignment of Patents by a Credit Party for the benefit of the Collateral Agent. 
  
 “Collateral Assignment of Trademarks” shall mean each Collateral Assignment of Trademarks by a Credit Party for the benefit of the
Collateral Agent. 
  

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 “Commitment” shall mean, with respect to each Lender, its Term Commitment, its
General Revolving Commitment or its Swing Line Revolving Commitment, or each of them, as the case may be. 
  
 “Commitment Fee” shall have the meaning specified in section 4.1(a). 
  
 “Commitment Increase” shall have the meaning provided in section 2.1(d). 
  
 “Confidential Information” shall have the meaning
provided in section 13.15. 
  
 “Consolidated
Amortization Expense” shall mean, for any period, all amortization expenses, including without limitation, amortization of goodwill, of the Borrower and its Subsidiaries, all as determined for the Borrower and its Subsidiaries on a
consolidated basis in accordance with GAAP. 
  
 “Consolidated Capital Expenditures” shall mean, for any period, the aggregate of all expenditures for property, plant or equipment (whether paid in cash or accrued as liabilities and including in all events amounts
expended or capitalized under Capital Leases and Synthetic Leases but excluding any amount representing capitalized interest) by the Borrower and its Subsidiaries during that period. 
  
 “Consolidated Cash” shall mean, as of any date, the aggregate cash and Cash Equivalents held by the
Borrower and its Subsidiaries. 
  
 “Consolidated
Depreciation Expense” shall mean, for any period, all depreciation expenses of the Borrower and its Subsidiaries, all as determined for the Borrower and its Subsidiaries on a consolidated basis in accordance with GAAP. 
  
 “Consolidated EBIT” shall mean, for any period,
Consolidated Net Income for such period; plus (A) the sum (without duplication) of the amounts for such period included in determining such Consolidated Net Income of (i) Consolidated Interest Expense, (ii) Consolidated
Income Tax Expense, (iii) extraordinary and other non-recurring non-cash losses and charges, (iv) expenses attributable to stock options, (v) one time non-cash restructuring, reorganization and implementation charges associated with
Permitted Dispositions, and (vi) the cumulative effect of changes in accounting principles adopted after the date hereof less (B) extraordinary or other non-recurring gains, all as determined for the Borrower and its
Subsidiaries on a consolidated basis in accordance with GAAP, except that in computing Consolidated Net Income for purposes of this definition, there shall be excluded therefrom (x) the income (or loss) of any entity (other than
Subsidiaries of the Borrower) in which the Borrower or any of its Subsidiaries has a joint or minority interest, except to the extent of the amount of dividends or other distributions actually paid to the Borrower or any of its Subsidiaries during
such period, and (y) the income of any Subsidiary of the Borrower to the extent that the declaration or payment of dividends or similar distributions by that Subsidiary of that income is not at the time permitted by operation of the terms of
its charter or any agreement, instrument, judgment, decree, order, statute, rule or governmental regulation applicable to that Subsidiary; and provided that, notwithstanding anything to the contrary contained herein, the
Borrower’s Consolidated EBIT for any Testing Period shall (x) include the appropriate financial items for any person or business unit that has been acquired by the Borrower for any portion of such Testing Period prior to the date of
acquisition, and (y) exclude the appropriate financial items for any person or business unit that has been disposed of by the Borrower, for the portion of such Testing Period prior to the date of disposition. 
  
 “Consolidated EBITDA” shall mean, for any period,
Consolidated EBIT for such period; plus the sum (without duplication) of the amounts for such period included in determining such Consolidated Net Income of (i) Consolidated Depreciation Expense, and (ii) Consolidated
Amortization Expense, all as determined for the Borrower and its Subsidiaries on a consolidated basis in accordance with GAAP, provided that, notwithstanding anything to the contrary contained herein, the Borrower’s Consolidated
EBITDA for any Testing Period shall (x) include the appropriate financial items for any person or 

  

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business unit that has been acquired by the Borrower for any portion of such Testing Period prior to the date of acquisition, and (y) exclude the
appropriate financial items for any person or business unit that has been disposed of by the Borrower, for the portion of such Testing Period prior to the date of disposition. 
  
 “Consolidated Income Tax Expense” shall mean, for any period, all provisions for taxes based on the
net income of the Borrower or any of its Subsidiaries, all as determined for the Borrower and its Subsidiaries on a consolidated basis in accordance with GAAP. 
  

“Consolidated Interest Expense” shall mean, for any period, interest expense net of interest income of the Borrower and its
Subsidiaries on a consolidated basis with respect to all outstanding Indebtedness of the Borrower and its Subsidiaries, all as determined for the Borrower and its Subsidiaries on a consolidated basis in accordance with GAAP. 
  
 “Consolidated Net Income” shall mean for any period,
the net income (or loss) of the Borrower and its Subsidiaries on a consolidated basis for such period taken as a single accounting period determined in conformity with GAAP. 
  
 “Consolidated Net Worth” shall mean at any time for the determination thereof (i) all amounts
that, in conformity with GAAP (without giving effect to any non-cash losses as a result of impairment of goodwill as required by Statement of Financial Accounting Standards No. 142), would be included under the caption “total
stockholders’ equity” (or any like caption) on a consolidated balance sheet of the Borrower as at such date, provided that in no event shall Consolidated Net Worth include any amounts in respect of Redeemable Stock.

  
 “Consolidated Total Assets” shall mean
with respect to any person at any date of determination the net book value of all assets that would appear on a consolidated balance sheet of such person and its consolidated Subsidiaries at such date that is prepared in accordance with GAAP.

  
 “Consolidated Total Debt” shall mean
the sum (without duplication) of the principal amount (or Capitalized Lease Obligation, in the case of a Capital Lease, or present value, based on the implicit interest rate, in the case of any Synthetic Lease, or the higher of liquidation value or
stated value, in the case of Redeemable Stock) of all Indebtedness of the Borrower and each of its Subsidiaries, all as determined on a consolidated basis, minus Consolidated Cash. 
  
 “Continue,” “Continuation”
and “Continued” each refers to a continuation of a General Revolving Loan or a Term Loan that is a Eurodollar Loans for an additional Interest Period as provided in section 2.9. 
  
 “Control Agreement” means tri-party deposit account,
securities account or commodities account control agreements by and among the applicable Credit Party, the Collateral Agent and the depository, securities intermediary or commodities intermediary, and each in form and substance satisfactory in all
respects to the Collateral Agent and in any event giving to the Collateral Agent “control” of such deposit account, securities or commodities account within the meaning of Articles 8 and 9 of the UCC. 
  
 “Convert,” “Conversion” and
“Converted” each refers to a conversion of General Revolving Loans or Term Loans of one Type into General Revolving Loans or Term Loans of another Type, pursuant to section 2.7, 2.9(b), 2.10 or 6.2. 
  
 “Credit Documents” shall mean this Agreement, the
Notes, the Security Documents, the Subsidiary Guaranty and each other document or agreement executed in connection herewith. 
  
 “Credit Party” shall mean the Borrower and each Subsidiary Guarantor. 
  

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 “Default” shall mean any event, act or condition that with notice or lapse of
time, or both, would constitute an Event of Default. 
  
 “Defaulting Lender” shall mean any Lender with respect to which a Lender Default is in effect. 
  
 “Designated Hedge Agreement” shall mean any Hedge Agreement to which the Borrower or any of its Subsidiaries is a party which,
pursuant to (x) a written instrument signed by the Administrative Agent and (y) the following provisions, has been designated as a Designated Hedge Agreement so that the Borrower’s or Subsidiary’s counterparty’s credit
exposure thereunder will be entitled to share in the benefits of the Subsidiary Guaranty, the Security Documents and any other Credit Documents to the extent the Subsidiary Guaranty, the Security Documents and such other Credit Documents provide
guarantees or security for creditors of the Borrower or any Subsidiary under Designated Hedge Agreements: 
  
 (i) Each Hedge Agreement entered into with a Lender or an Affiliate of a Lender will automatically be deemed to be a Designated Hedge
Agreement. 
  
 (ii) If so requested by the
Borrower, the Administrative Agent may, without the approval or consent of the Lenders, designate a Hedge Agreement as a Designated Hedge Agreement. 
  
 (iii) Notwithstanding clause (ii) above, the Administrative Agent will not designate any Hedge Agreement as a Designated Hedge
Agreement without the approval, consent or instructions of the Required Lenders, unless the Administrative Agent reasonably determines, at the time of such designation and after giving effect thereto, in accordance with its own
customary valuation practices, that the maximum aggregate credit exposure to the Borrower and its Subsidiaries of all counterparties under all Designated Hedge Agreements is not more than $10,000,000. 
  
 (iv) It shall be a condition to the rights of any
counterparty creditor of the Borrower or any Subsidiary under any Designated Hedge Agreement to share in any recoveries of enforcement of the Subsidiary Guaranty, the Security Documents and the other Credit Documents, that such counterparty creditor
shall have entered into an intercreditor or similar agreement with the Administrative Agent under which recoveries from the Borrower and its Subsidiaries with respect to such Designated Hedge Agreement will be shared in a manner consistent with the
provisions of section 11.3 hereof. 
  
 “Dollars,” “U.S. dollars,” “dollars” and the sign “$” each means lawful money of the United States. 
  
 “Domestic Lending Office” shall mean, with respect to
any Lender, the office of such Lender specified as its Domestic Lending Office in Annex I or in the Assignment Agreement pursuant to which it became a Lender, or such other office of such Lender as such Lender may from time to time specify to the
Borrower and the Administrative Agent. 
  
 “Domestic
Subsidiary” shall mean any Subsidiary other than a Foreign Subsidiary. 
  
 “Effective Date” shall have the meaning provided in section 13.10. 
  
 “Eligible Accounts Receivable” shall mean, as of any date, the gross outstanding balance on such date, determined in accordance
with GAAP and stated on a basis consistent with the historical practices of the Borrower as of the Closing Date, of Accounts of the Borrower and its Subsidiaries, less the sum of 

  

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(x) reserves established in respect of Accounts and (y) any amount that the Administrative Agent determines in its good faith business judgment to
be ineligible for purposes of calculating the covenant set forth in section 10.7. 
  
 “Eligible Inventory” shall mean, as of any date, the aggregate value of the Inventory of the Borrower and its Subsidiaries valued at the lower of cost or market and on a first-in, first-out
basis, excluding such Inventory as the Administrative Agent determines in its good faith business judgment to be ineligible for purposes of calculating the covenant set forth in section 10.7. 
  
 “Eligible PP&E” shall mean, as of any date, the
net book value of the property, plant and equipment of the Borrower and its Subsidiaries as reflected on the Borrower’s most recent financial statements. 
  

“Eligible Transferee” shall mean and include a commercial bank, financial institution or other “accredited investor”
(as defined in SEC Regulation D), in each case that: 
  
 (i) is not disapproved in writing by the Borrower in a notice given to a requesting Lender and the Administrative Agent, specifying the reasons for such disapproval, within five Business Days following the giving of notice to the Borrower
of the identity of any proposed transferee (any such disapproval by the Borrower must be reasonable), provided that (a) this subclause (i) shall not apply in the case of any participation permitted pursuant to section 13.4(b) and
(b) Borrower shall not be entitled to exercise the foregoing right of disapproval if and so long as any Event of Default shall have occurred and be continuing; and 
  
 (ii) is not a direct competitor of the Borrower or engaged in the same or similar principal lines of
business as the Borrower and its Subsidiaries considered as a whole, or a Subsidiary of any such competitor of the Borrower and its Subsidiaries. 
  
 “Environmental Claims” shall mean any and all administrative, regulatory or judicial actions, suits, demands, demand letters,
claims, liens, notices of non-compliance or violation, investigations or proceedings relating in any way to any Environmental Law or any permit issued under any such law (hereafter “Claims”), including, without limitation,
(i) any and all Claims by governmental or regulatory authorities for enforcement, cleanup, removal, response, remedial or other actions or damages pursuant to any applicable Environmental Law, and (ii) any and all Claims by any third party
seeking damages, contribution, indemnification, cost recovery, compensation or injunctive relief resulting from the storage, treatment or Release (as defined in CERCLA) of any Hazardous Materials or arising from alleged injury or threat of injury to
health, safety or the environment. 
  
 “Environmental
Law” shall mean any applicable Federal, state, foreign or local statute, law, rule, regulation, ordinance, code, binding and enforceable guideline, binding and enforceable written policy and rule of common law now or hereafter in effect
and in each case as amended, and any binding and enforceable judicial or administrative interpretation thereof, including any judicial or administrative order, consent, decree or judgment issued to or rendered against the Borrower or any of its
Subsidiaries relating to the environment, employee health and safety or Hazardous Materials, including, without limitation, CERCLA; RCRA; the Federal Water Pollution Control Act, 33 U.S.C. § 2601 et seq.; the Clean Air Act, 42
U.S.C. § 7401 et seq.; the Safe Drinking Water Act, 42 U.S.C. § 3803 et seq.; the Oil Pollution Act of 1990, 33 U.S.C. § 2701 et seq.; the Emergency Planning and the Community
Right-to-Know Act of 1986, 42 U.S.C. § 11001 et seq., the Hazardous Material Transportation Act, 49 U.S.C. § 1801 et seq.; and the Occupational Safety and Health Act, 29 U.S.C. § 651 et
seq. (to the extent it regulates occupational exposure to Hazardous Materials); and any state and local or foreign counterparts or equivalents, in each case as amended from time to time. 
  

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 “ERISA” shall mean the Employee Retirement Income Security Act of 1974, as
amended from time to time, and the regulations promulgated and rulings issued thereunder. Section references to ERISA are to ERISA, as in effect at the Effective Date and any subsequent provisions of ERISA, amendatory thereof, supplemental thereto
or substituted therefor. 
  
 “ERISA
Affiliate” shall mean each person (as defined in section 3(9) of ERISA) that together with the Borrower or a Subsidiary of the Borrower would be deemed to be a “single employer”: (i) within the meaning of section
414(b),(c), (m) or (o) of the Code; or (ii) as a result of the Borrower or a Subsidiary of the Borrower being or having been a general partner of such person. 
  
 “Eurodollar Lending Office” shall mean, with respect to any Lender, the office of such Lender
specified as its Eurodollar Lending Office in Annex I or in the Assignment Agreement pursuant to which it became a Lender, or such other office or offices (for Eurodollar Loans denominated in Dollars) of such Lender as such Lender may from time to
time specify to the Borrower and the Administrative Agent. 
  
 “Eurodollar Loans” shall mean each Loan, denominated in Dollars, bearing interest at the rates provided in section 2.8(b). 
  
 “Eurodollar Market Index Rate” shall mean, as of any date, the Eurodollar Rate applicable to Eurodollar Loans with one month
Interest Periods. 
  
 “Eurodollar Market Index Rate
Loans” shall mean each Swing Line Revolving Loan bearing interest at the rate provided in section 2.8(c). 
  
 “Eurodollar Rate” shall mean, with respect to each Interest Period for a Eurodollar Loan, (A) either (i) the rate per
annum for deposits in Dollars for a maturity most nearly comparable to such Interest Period that appears on page 3740 or 3750, as applicable, of the Dow Jones Telerate Screen as of 11:00 A.M. (London time) on the date that is two Business Days prior
to the commencement of such Interest Period, or (ii) if such a rate does not appear on such a page, an interest rate per annum equal to the average (rounded upward to the nearest whole multiple of 1/16 of 1% per annum, if such average is
not such a multiple) of the rate per annum at which deposits in Dollars are offered to each of the Reference Banks by prime banks in the London interbank Eurocurrency market for deposits of amounts in same day funds comparable to the outstanding
principal amount of the Eurodollar Loan for which an interest rate is then being determined with maturities comparable to the Interest Period to be applicable to such Eurodollar Loan, determined as of 11:00 A.M. (London time) on the date that is two
Business Days prior to the commencement of such Interest Period, in each case divided (and rounded upward to the nearest whole multiple of 1/16th of 1%) by (B) a percentage equal to 100% minus the then stated maximum rate of all reserve
requirements (including, without limitation, any marginal, emergency, supplemental, special or other reserves) applicable to any member bank of the Federal Reserve System in respect of Eurocurrency liabilities as defined in Regulation D (or any
successor category of liabilities under Regulation D); provided, however, that in the event that the rate referred to in clause (i) above is not available at any such time for any reason, then the rate referred
to in clause (i) shall instead be the average (rounded to the nearest ten thousandth of 1%) of the rates at which U.S. dollar deposits of $5,000,000 are offered to the Reference Banks in the London interbank market at approximately 11:00 a.m.
(London time), two Business Days prior to the commencement of such Interest Period, for contracts that would be entered into at the commencement of such Interest Period. 
  
 “Euros” shall mean the single currency of the European Union. 
  
 “Event of Default” shall have the meaning provided in
section 11.1. 
  

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 “Event of Loss” shall mean, with respect to any property: (i) the actual or
constructive total loss of such property or the use thereof, resulting from destruction, damage beyond repair, or the rendition of such property permanently unfit for normal use from any casualty or similar occurrence whatsoever; (ii) the
destruction or damage of a portion of such property from any casualty or similar occurrence whatsoever under circumstances in which such damage cannot reasonably be expected to be repaired, or such property cannot reasonably be expected to be
restored to its condition immediately prior to such destruction or damage, within 180 days after the occurrence of such destruction or damage; (iii) the condemnation, confiscation or seizure of, or requisition of title to or use of, any
property; or (iv) in the case of any property located upon a Leasehold, the termination or expiration of such Leasehold. 
  
 “Existing Credit Agreement” shall have the meaning provided in the preliminary statements hereto. 
  
 “Existing Indebtedness” shall have the meaning
provided in section 8.18. 
  
 “Existing Indebtedness
Agreements” shall have the meaning provided in section 8.18. 
  
 “Existing Lenders” shall have the meaning provided in the preliminary statements hereto. 
  
 “Existing Letters of Credit” shall have the meaning provided in section 3.1(d). 
  
 “Existing Revolver Balance” shall have the meaning
provided in section 14.1. 
  
 “Facility”
shall mean the General Revolving Facility, the Term Facility or the Swing Line Revolving Facility, as applicable. 
  
 “Facing Fee” shall have the meaning provided in section 4.3. 
  
 “Federal Funds Effective Rate” shall mean, for any period, a fluctuating interest rate equal for
each day during such period to the weighted average of the rates on overnight Federal Funds transactions with members of the Federal Reserve System arranged by Federal Funds brokers, as published for such day (or, if such day is not a Business Day,
for the next preceding Business Day) by the Federal Reserve Bank of New York, or, if such rate is not so published for any day that is a Business Day, the average of the quotations for such day on such transactions received by the Administrative
Agent from three Federal Funds brokers of recognized standing selected by the Administrative Agent. 
  
 “Fees” shall mean all amounts payable pursuant to, or referred to in, section 4. 
  
 “Financial Projections” shall have the meaning
provided in section 8.8(b). 
  
 “First Increase
Amount” shall have the meaning provided in section 2.1(d). 
  
 “Fixed Charge Coverage Ratio” shall mean, for any Testing Period, the ratio of (i) Adjusted Consolidated EBITDA for such Testing Period to (ii) the sum of (without duplication) of (a) Consolidated
Interest Expense, plus (b) scheduled repayments of the principal of Indebtedness described in subsections (i), (ii), (iii), (vii) and (viii) of the definition of “Indebtedness,” plus
(c) Consolidated Capital Expenditures (to the extent paid in cash), plus (d) the aggregate amount of Capital Distributions made by the Borrower, if any, plus (e) Consolidated Income Tax Expense (to the
extent paid in cash and net of refunds and credits), in each case, for such Testing Period. 
  
 “Foreign Lender” shall mean a person that is not a United States person (as such term is defined in section 7701(a)(30) of the Code) for Federal Income Tax purposes. 
  

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 “Foreign Subsidiary” shall mean any Subsidiary: (i) that is not incorporated
in the United States and substantially all of whose assets and properties are located, or substantially all of whose business is carried on, outside the United States; or (ii) substantially all of whose assets consist of Subsidiaries that are
Foreign Subsidiaries as defined in clause (i) of this definition. 
  
 “GAAP” shall mean generally accepted accounting principles in the United States of America as in effect from time to time; it being understood and agreed that determinations in accordance with GAAP for purposes of
section 10, including defined terms as used therein, are subject (to the extent provided therein) to sections 1.3 and 13.7(a). 
  
 “General Revolving Commitment” shall mean, with respect to each Lender, the amount, if any, set forth opposite such Lender’s
name in Annex I as its “General Revolving Commitment” as the same may be increased from time to time pursuant to section 2.1(d), reduced from time to time pursuant to section 5.1, 5.2 and/or 11.2 or adjusted from time to time as a result
of assignments to or from such Lender pursuant to section 13.4. 
  
 “General Revolving Facility” shall mean the credit facility evidenced by the Total General Revolving Commitment. 
  
 “General Revolving Facility Percentage” shall mean at any time for any Lender with a General Revolving Commitment, the percentage
obtained by dividing such Lender’s General Revolving Commitment by the Total General Revolving Commitment, provided, that if the Total General Revolving Commitment has been terminated, the General Revolving Facility Percentage for
each Lender with a General Revolving Commitment shall be determined by dividing such Lender’s General Revolving Commitment immediately prior to such termination by the Total General Revolving Commitment immediately prior to such termination.

  
 “General Revolving Loan” shall have
the meaning provided in section 2.1(a). 
  
 “General
Revolving Note” shall have the meaning provided in section 2.6(a). 
  
 “Granting Lender” shall have the meaning provided in section 13.4(f). 
  
 “Guaranty Obligations” shall mean as to any person (without duplication) any obligation of such person guaranteeing any
Indebtedness (“primary Indebtedness”) of any other person (the “primary obligor”) in any manner, whether directly or indirectly, including, without limitation, any obligation of such person, whether or
not contingent, (a) to purchase any such primary Indebtedness or any property constituting direct or indirect security therefor, (b) to advance or supply funds (i) for the purchase or payment of any such primary Indebtedness or
(ii) to maintain working capital or equity capital of the primary obligor or otherwise to maintain the net worth or solvency of the primary obligor, (c) to purchase property, securities or services primarily for the purpose of assuring the
owner of any such primary Indebtedness of the ability of the primary obligor to make payment of such primary Indebtedness, or (d) otherwise to assure or hold harmless the owner of such primary Indebtedness against loss in respect thereof,
provided, however, that the term Guaranty Obligation shall not include endorsements of instruments for deposit or collection in the ordinary course of business. The amount of any Guaranty Obligation shall be deemed to be an amount
equal to the stated or determinable amount of the primary Indebtedness in respect of that such Guaranty Obligation is made or, if not stated or determinable, the maximum reasonably anticipated liability in respect thereof (assuming such person is
required to perform thereunder) as determined by such person in good faith. 
  
 “Hazardous Materials” shall mean: (i) any petrochemical or petroleum products, radioactive materials, asbestos in any form that is or could become friable, urea formaldehyde foam
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transformers or other equipment that contain dielectric fluid containing levels of polychlorinated biphenyls, and radon gas; and (ii) any chemicals,
materials or substances defined as or included in the definition of “hazardous substances,” “hazardous wastes,” “hazardous materials,” “restricted hazardous materials,” “extremely hazardous wastes,”
“restrictive hazardous wastes,” “toxic substances,” “toxic pollutants,” “contaminants” or “pollutants,” or words of similar meaning and regulatory effect, under any applicable Environmental Law.

  
 “Hedge Agreement” shall mean any
interest rate swap agreement, any interest rate cap agreement, any interest rate collar agreement or other similar agreement or arrangement designed to protect against fluctuations in interest rates; provided, however,
that in each case, the documentation with respect to such arrangements shall conform to any form of master agreement published by the International Swaps and Derivatives Association, Inc. 
  
 “Increase Amount” shall have the meaning provided in section 2.1(d). 
  
 “Incremental Revolving Lender” shall mean a lender
that has agreed to provide all or any portion of a Commitment Increase. 
  
 “Indebtedness” of any person shall mean without duplication: 
  
 (i) all indebtedness of such person for borrowed money; 
  
 (ii) all bonds, notes, debentures and similar debt securities of such person; 
  
 (iii) the deferred purchase price of capital assets or
services that in accordance with GAAP would be shown on the liability side of the balance sheet of such person; 
  
 (iv) the face amount of all letters of credit issued for the account of such person and, without duplication, all drafts drawn thereunder;

  
 (v) all obligations, contingent or otherwise,
of such person in respect of bankers’ acceptances; 
  
 (vi) all Indebtedness of a second person secured by any Lien on any property owned by such first person, whether or not such Indebtedness has been assumed; 
  
 (vii) all Capitalized Lease Obligations of such person;

  
 (viii) the present value, determined on the
basis of the implicit interest rate, of all basic rental obligations under all Synthetic Leases of such person; 
  
 (ix) all net obligations of such person under Hedge Agreements; 
  
 (x) the full outstanding balance of trade receivables, notes or other instruments sold with full recourse
(and the portion thereof subject to potential recourse, if sold with limited recourse), other than in any such case any thereof sold solely for purposes of collection of delinquent accounts; 
  
 (xi) the stated value, or liquidation value if higher, of
all Redeemable Stock of such person; and 
  
 (xii) all Guaranty Obligations of such person; 
  

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 provided that: (x) neither trade payables nor other similar accrued expenses, in each case arising in
the ordinary course of business, nor obligations in respect of insurance policies or performance or surety bonds that themselves are not guarantees of Indebtedness (nor drafts, acceptances or similar instruments evidencing the same nor obligations
in respect of letters of credit supporting the payment of the same), shall constitute Indebtedness; and (y) the Indebtedness of any person shall in any event include (without duplication) the Indebtedness of any other entity (including any
general partnership in which such person is a general partner) to the extent such person is liable thereon as a result of such person’s ownership interest in or other relationship with such entity, except to the extent the terms of such
Indebtedness provide expressly that such person is not liable thereon. 
  
 “Indemnitees” shall have the meaning provided in section 13.1(f). 
  
 “Interest Period” with respect to any Eurodollar Loan shall mean the interest period applicable thereto, as determined pursuant to
section 2.9. 
  
 “Inventory” shall mean,
as of any date, the net book value of the inventory of the Borrower and its Subsidiaries as reflected on the Borrower’s most recent financial statements. 
  

“Leaseholds” of any person means all the right, title and interest of such person as lessee or licensee in, to and under leases
or licenses of land, improvements and/or fixtures. 
  
 “Lender” shall have the meaning provided in the first paragraph of this Agreement. 
  
 “Lender Default” shall mean: (i) the refusal (that has not been retracted) of a Lender in violation of its obligations under
this Agreement to make available its portion of any incurrence of Loans or to fund its portion of any Swing Line Participation Amount under section 2.5(b); or (ii) a Lender having notified the Administrative Agent and/or the Borrower that it
does not intend to comply with such obligations, in the case of either (i) or (ii) as a result of the appointment of a receiver or conservator with respect to such Lender at the direction or request of any regulatory agency or authority.

  
 “Lender Register” shall have the
meaning provided in section 13.16. 
  
 “Letter of
Credit” shall have the meaning provided in section 3.1(a). 
  
 “Letter of Credit Documents” shall have the meaning specified in section 3.2(a). 
  
 “Letter of Credit Fee” shall have the meaning provided in section 4.2. 
  
 “Letter of Credit Issuer” shall mean (i) in
respect of each Existing Letter of Credit, the Lender that has issued same as of the Effective Date; and (ii) in respect of any other Letter of Credit, NCB or (iii) in the event NCB chooses not to issue a particular Letter of Credit, any
other Lender so long as such Lender is a Non-Defaulting Lender and otherwise has satisfied and/or continues to satisfy its obligations as a Letter of Credit Issuer hereunder. 
  
 “Letter of Credit Outstandings” shall mean, at any time, the sum, without duplication, of
(i) the aggregate Stated Amount of all outstanding Letters of Credit and (ii) the aggregate amount of all Unpaid Drawings. 
  
 “Letter of Credit Request” shall have the meaning provided in section 3.2(a). 
  
 “Letter of Credit Sublimit” shall have the meaning
provided in section 3.1(b). 
  

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 “Lien” shall mean any mortgage, pledge, security interest, encumbrance, lien or
charge of any kind (including any agreement to give any of the foregoing, any conditional sale or other title retention agreement or any lease in the nature thereof). 
  
 “Loan” shall have the meaning provided in section 2.1 and shall include any Term Loan, General
Revolving Loan or Swing Line Revolving Loan, as the case may be. 
  
 “Margin Stock” shall have the meaning provided in Regulation U. 
  
 “Material Adverse Effect” shall mean any or all of the following: (i) any material adverse effect on the business,
operations, property, assets, liabilities or condition (financial or otherwise) of, when used with reference to the Borrower and/or any of its Subsidiaries, the Borrower and its Subsidiaries, taken as a whole, or when used with reference to any
other person, such person and its Subsidiaries, taken as a whole, as the case may be; (ii) any material adverse effect on the ability of the Borrower to perform its obligations under the Credit Documents to which it is a party; (iii) any
material adverse effect on the ability of the Borrower and its Subsidiaries, taken as a whole, to pay their liabilities and obligations as they mature or become due; or (iv) any material adverse effect on the validity, effectiveness or
enforceability, as against the Borrower, of any of the Credit Documents to which it is a party. 
  
 “Material Recovery Event” shall mean the receipt by the Borrower or any Subsidiary of any proceeds resulting from or awarded in
connection with the settlement or favorable decision of any litigation, arbitration, or other legal proceeding (other than amounts, if any, specifically designated to cover fees and expenses of counsel), in excess of $2,000,000 in any fiscal year
other than as a result of any of the items disclosed on Annex VII. 
  
 “Material Subsidiary” shall mean, at any time, with reference to any person, any Subsidiary of such person (i) that has assets at such time comprising 10% or more of the consolidated assets of such person and
its Subsidiaries, or (ii) whose operations in the current fiscal year are expected to, or whose operations in the most recent fiscal year did (or would have if such person had been a Subsidiary for such entire fiscal year), represent 10% or
more of the consolidated earnings before interest, taxes, depreciation and amortization of such person and its Subsidiaries for such fiscal year; provided, however, that to the extent all Subsidiaries of such person
constituting Non-Material Subsidiaries and Foreign Subsidiaries (a) account in the aggregate for more than 15% or more of the consolidated assets of such person and its Subsidiaries, or (b) whose operations in the current fiscal year are
expected to, or whose operations in the most recent fiscal year did (or would have if such person had been a Subsidiary for such entire fiscal year), represent 15% or more of the consolidated earnings before interest, taxes, depreciation and
amortization of such person and its Subsidiaries for such fiscal year, then each such domestic Subsidiary shall be deemed a Material Subsidiary; and provided further that neither Solarchem nor AST will be deemed a Material Subsidiary
unless and until either such Subsidiary would be deemed a Material Subsidiary without giving effect to the immediately preceding proviso. 
  
 “Maturity Date” shall mean February 18, 2008 or such earlier date on which the Total Commitment is terminated. 
  
 “Minimum Borrowing Amount” shall mean: (i) for
Term Loans that are (A) Prime Rate Loans, $2,500,000, with minimum increments thereafter of $500,000, or (B) Eurodollar Loans, $5,000,000 with minimum increments thereafter of $1,000,000; (ii) for General Revolving Loans that are
(A) Prime Rate Loans, $2,500,000, with minimum increments thereafter of $500,000, or (B) Eurodollar Loans, $5,000,000, with minimum increments thereafter of $1,000,000; and (iii) for Swing Line Revolving Loans, $500,000, with minimum
increments thereafter of $100,000. 
  
 “Moody’s” shall mean Moody’s Investors Service, Inc. and its successors. 
  

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 “Mortgage” shall mean each mortgage, deed of trust, or other agreement which
conveys or evidences a lien in favor of the Collateral Agent on Real Property of any Credit Party, including any amendment, modification or supplement thereto. 
  

“Multiemployer Plan” shall mean a multiemployer plan, as defined in section 4001(a)(3) of ERISA to which the Borrower or any
ERISA Affiliate is making or accruing an obligation to make contributions or has within any of the preceding three plan years made or accrued an obligation to make contributions. 
  
 “Multiple Employer Plan” shall mean a Plan, other than a Multiemployer Plan, to which the Borrower
or any ERISA Affiliate, and one or more employers other than the Borrower or an ERISA Affiliate, is making or accruing an obligation to make contributions or, in the event that any such plan has been terminated, to which the Borrower or an ERISA
Affiliate made or accrued an obligation to make contributions during any of the five plan years preceding the date of termination of such plan. 
  
 “NCB” shall mean National City Bank of Pennsylvania, a national banking association, together with its affiliates, successors and
assigns. 
  
 “Net Cash Proceeds” shall
mean, with respect to any: (i) Asset Sale, the Cash Proceeds resulting therefrom net of (a) reasonable and customary expenses of sale incurred in connection with such Asset Sale, and other reasonable and customary fees and expenses
incurred, and all state, and local taxes paid or reasonably estimated to be payable by such person, as a consequence of such Asset Sale and the payment of principal, premium and interest of Indebtedness secured by the asset that is the subject of
the Asset Sale and required to be, and that is, repaid under the terms thereof as a result of such Asset Sale, (b) amounts of any distributions payable to holders of minority interests in the relevant person or in the relevant property or
assets and (c) incremental income taxes paid or payable as a result thereof; (ii) Event of Loss, the Cash Proceeds resulting therefrom net of (a) reasonable and customary expenses incurred in connection with such Event of Loss, and
other reasonable and customary fees and expenses incurred, and all state, and local taxes paid or reasonably estimated to be payable by such person, as a consequence of such Event of Loss and the payment of principal, premium and interest of
Indebtedness secured by the asset that is the subject of the Event of Loss and required to be, and that is, repaid under the terms thereof as a result of such Event of Loss, (b) amounts of any distributions payable to holders of minority
interests in the relevant person or in the relevant property or assets and (c) incremental income taxes paid or payable as a result thereof; and (iii) Material Recovery Event, the Cash Proceeds resulting therefrom net of
(a) reasonable and customary expenses incurred in connection with such Material Recovery Event, and other reasonable and customary fees and expenses incurred, and all state, and local taxes paid or reasonably estimated to be payable by such
person, as a consequence of such Material Recovery Event and the payment of principal, premium and interest of Indebtedness secured by the asset that is the subject of the Material Recovery Event and required to be, and that is, repaid under the
terms thereof as a result of such Material Recovery Event, (b) amounts of any distributions payable to holders of minority interests in the relevant person or in the relevant property or assets and (c) incremental income taxes paid or
payable as a result thereof 
  
 “Net Debt
Proceeds” shall mean, with respect to the incurrence, sale or issuance by the Borrower or any of its Subsidiaries of any Indebtedness after the date hereof (other than any Indebtedness permitted by section 10.4), the excess of
(i) the gross cash proceeds received by such person from such incurrence, sale or issuance, over (ii) all reasonable and customary underwriting commissions and legal, investment banking, brokerage and accounting and other professional
fees, sales commissions and disbursements actually incurred in connection with such incurrence, sale or issuance that have not been paid to an Affiliate of the Borrower in connection therewith. 
  
 “1934 Act” shall mean the Securities Exchange Act of
1934, as amended. 
  

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 “Non-Consenting Lender” shall have the meaning provided in section 13.12.

  
 “Non-Defaulting Lender” shall mean
each Lender other than a Defaulting Lender. 
  
 “Non-Material Subsidiary” shall mean a Subsidiary that is not a Material Subsidiary. 
  
 “Note” shall mean a Term Note, General Revolving Note or a Swing Line Revolving Note, as the case may be. 
  
 “Notice of Borrowing” shall have the meaning provided
in section 2.3(a). 
  
 “Notice of
Continuation” shall have the meaning provided in section 2.9(a). 
  
 “Notice of Conversion” shall have the meaning provided in section 2.7(a). 
  
 “Notice Office” shall mean the office of the Administrative Agent at 629 Euclid Avenue, Locator 01-3028, Cleveland, Ohio 44114,
Attention: Agent Services (facsimile: (216) 222-0012), or such other office, located in a city in the United States Eastern Time Zone, as the Administrative Agent may designate to the Borrower from time to time. 
  
 “Notice of Swing Line Refunding” shall have the
meaning provided in section 2.5(a). 
  
 “Obligations” shall mean all amounts, direct or indirect, contingent or absolute, of every type or description, and at any time existing, owing by the Borrower to the Administrative Agent or any Lender pursuant to
the terms of this Agreement or any other Credit Document. 
  
 “Operating Lease” as applied to any person shall mean any lease of any property (whether real, personal or mixed) by that person as lessee that, in conformity with GAAP, is not accounted for as a Capital Lease on the
balance sheet of that person. 
  
 “Participant” shall have the meaning provided in section 3.4(a). 
  
 “Payment Office” shall mean the office of the Administrative Agent at 629 Euclid Avenue, Locator 01-3028, Cleveland, Ohio 44114,
Attention: Agent Services (facsimile: (216) 222-0012), or such other office, located in a city in the United States Eastern Time Zone, as the Administrative Agent may designate to the Borrower from time to time. 
  
 “PBGC” shall mean the Pension Benefit Guaranty
Corporation established pursuant to section 4002 of ERISA, or any successor thereto. 
  
 “Percentage” shall mean the General Revolving Facility Percentage or the Swing Line Revolving Facility Percentage, as applicable. 
  
 “Permitted Acquisition” shall mean and include any Acquisition as to which all of the following
conditions are satisfied: 
  
 (i) such
Acquisition involves a line or lines of business that is complementary to the lines of business in which the Borrower and its Subsidiaries, considered as an entirety, are engaged on the Effective Date, unless the Required Lenders
specifically approve or consent to such Acquisition in writing; 
  

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 (ii) such Acquisition is not actively opposed by the Board of Directors (or similar
governing body) of the selling person or the person whose equity interests are to be acquired, unless all of the Lenders specifically approve or consent to such Acquisition in writing; 
  
 (iii) if as a result of an Acquisition a person becomes a
Subsidiary of the Borrower, such Subsidiary shall be a Wholly-Owned Subsidiary; 
  
 (iv) the aggregate consideration for such Acquisition, including the principal amount of any assumed Indebtedness and (without
duplication) any Indebtedness of any acquired person or persons, does not exceed $10,000,000, unless the Required Lenders specifically approve or consent to such Acquisition; 
  
 (v) the aggregate consideration for such Acquisition and all
other Permitted Acquisitions completed within the preceding 12 month period, including the principal amount of any assumed Indebtedness and (without duplication) any Indebtedness of any acquired person or persons, does not exceed $20,000,000,
unless the Required Lenders specifically approve or consent to such Acquisition; and 
  
 (vi) the Borrower delivers to the Administrative Agent, at least five Business Days prior to the proposed date of such Acquisition, an
Officer’s Certificate executed on behalf of the Borrower by an Authorized Officer of the Borrower demonstrating compliance with the requirements above and which certifies that the Borrower would, after giving effect to such Acquisition, be in
compliance, on a pro forma basis, with the financial covenants contained in sections 10.7, 10.8, 10.9 and 10.10 such pro forma ratios being determined: 
  
 (A) as if (x) such Acquisition had been completed at the beginning of the most recent period of four
consecutive fiscal quarters of the Borrower for which financial information for the Borrower and the business or person to be acquired, is available, and (y) any such Indebtedness, or other Indebtedness incurred to finance such Acquisition, had
been outstanding for such period; and 
  
 (B)
without giving effect to any credit for unobtained or unrealized gains in connection with such Acquisition, but taking into account such adjustments to the overhead of such properties and assets as may reasonably determined and specified by the
Borrower to reflect the overhead generally applicable to similar properties and assets owned by the Borrower and its Subsidiaries, as and to the extent the Administrative Agent determines (acting on instructions from the Required Lenders) such
adjustments to be reasonable and appropriate under the particular circumstances); 
  
 provided, that the term Permitted Acquisition specifically excludes any loans, advances or minority investments otherwise permitted pursuant to section 10.5. 
  
 “Permitted Dispositions” shall mean the sale, transfer or other disposition or other cessation of
all or a portion of the operations of (i) the Borrower’s assets located in Catlettsburg, Kentucky or (ii) the Borrower’s assets located in Neville Island, Pennsylvania. 
  
 “Permitted Liens” shall mean Liens described in
section 10.3. 
  
 “person” shall mean any
individual, partnership, joint venture, firm, corporation, limited liability company, association, trust or other enterprise or any government or political subdivision or any agency, department or instrumentality thereof. 
  

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 “Plan” shall mean any multiemployer or single-employer plan as defined in section
4001 of ERISA, that is maintained or contributed to by (or to which there is an obligation to contribute by) the Borrower or a Subsidiary of the Borrower or an ERISA Affiliate, and each such plan for the five year period immediately following the
latest date on which the Borrower, or a Subsidiary of the Borrower or an ERISA Affiliate maintained, contributed to or had an obligation to contribute to such plan. 
  
 “Pledge Agreement” shall mean, collectively, the Pledge Agreement, dated as of November 4,
2005, by the Borrower and the other Subsidiary Guarantors party thereto for the benefit of the Collateral Agent, the Reaffirmation of Pledge Agreement, dated as of the Closing Date, by the Borrower and the other Subsidiary Guarantors party thereto
in favor of the Collateral Agent, and each other Pledge Agreement executed in connection with this Agreement, as the same may be amended, restated, amended and restated, supplemented or otherwise modified from time to time. 
  
 “primary Indebtedness” shall have the meaning
provided in the definition of Guaranty Obligations. 
  
 “primary obligor” shall have the meaning provided in the definition of Guaranty Obligations. 
  
 “Prime Rate” shall mean, for any period, a fluctuating interest rate per annum as shall be in effect from time to time, which rate
per annum shall at all times be equal to the greater of: (i) the rate of interest established by the Administrative Agent at its principal office, from time to time, as its prime rate, whether or not publicly announced, which interest rate may
or may not be the lowest rate charged by it for commercial loans or other extensions of credit; and (ii) the Federal Funds Effective Rate in effect from time to time plus 1/2 of 1% per annum. 
  
 “Prime Rate Loan” shall mean each Loan, denominated
in U.S. dollars, bearing interest at the rate provided in section 2.8(a). 
  
 “Prohibited Transaction” shall mean a transaction with respect to a Plan that is prohibited under section 4975 of the Code or section 406 of ERISA and not exempt under section 4975 of the Code
or section 408 of ERISA. 
  
 “Purchase
Date” shall have the meaning provided in section 2.5(b). 
  
 “RCRA” shall mean the Resource Conservation and Recovery Act, as the same may be amended from time to time, 42 U.S.C. § 6901 et seq. 
  
 “Real Property” of any person shall mean all of the
right, title and interest of such person in and to land, improvements and fixtures, including Leaseholds. 
  
 “Redeemable Stock” shall mean with respect to any person any capital stock or similar equity interests of such person that:
(i) is by its terms subject to mandatory redemption, in whole or in part, pursuant to a sinking fund, scheduled redemption or similar provisions, at any time prior to the Maturity Date; or (ii) otherwise is required to be repurchased or
retired on a scheduled date or dates, upon the occurrence of any event or circumstance, or at the option of the holder or holders thereof, or otherwise, at any time prior to the Maturity Date, other than any such repurchase or retirement occasioned
by a “change of control” or similar event. 
  
 “Reference Banks” shall mean (i) NCB, and (ii) any other Lender or Lenders selected as a Reference Bank by the Administrative Agent and the Required Lenders, provided, that if any such
Reference Bank is no longer a Lender, such other Lender or Lenders as may be selected by the Administrative Agent acting on instructions from the Required Lenders. 
  

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 “Regulation D” shall mean Regulation D of the Board of Governors of the Federal
Reserve System as from time to time in effect and any successor to all or a portion thereof establishing reserve requirements. 
  
 “Regulation U” shall mean Regulation U of the Board of Governors of the Federal Reserve System as from time to time in effect and
any successor to all or a portion thereof establishing margin requirements. 
  
 “Related Transactions” shall mean the transactions contemplated by the Purchase Agreement. 
  
 “Replacement Lender” shall have the meaning provided in section 13.12. 
  
 “Reportable Event” shall mean an event described in
section 4043 of ERISA or the regulations thereunder with respect to a Plan, other than those events as to which the notice requirement is waived under subsections .22, .23, .24, .25, .26, .27, .28, .29, .30, .31, .32, .34, .35, .62, .63, .64, .65 or
..67 of PBGC Regulation section 4043. 
  
 “Required
Lenders” shall mean Non-Defaulting Lenders whose outstanding Loans and Unused General Revolving Commitments constitute more than 51% of the sum of the total outstanding Loans and Unused General Revolving Commitments of Non-Defaulting
Lenders (provided that, for purposes hereof, neither the Borrower, nor any of its Affiliates, shall be included in (i) the Lenders holding such amount of the Loans or having such amount of the Unused General Revolving Commitments,
or (ii) determining the aggregate unpaid principal amount of the Loans or Unused General Revolving Commitments). 
  
 “Revolving Facility Percentage” shall mean, with respect to any Lender and at any time, its percentage of the Total General
Revolving Commitment. 
  
 “S&P” shall
mean Standard & Poor’s Ratings Group, a division of McGraw Hill, Inc., and its successors. 
  
 “Sale and Lease-Back Transaction” shall mean any arrangement with any person providing for the leasing by the Borrower or any
Subsidiary of the Borrower of any property (except for temporary leases for a term, including any renewal thereof, of not more than one year and except for leases between the Borrower and a Subsidiary or between Subsidiaries), which property has
been or is to be sold or transferred by the Borrower or such Subsidiary to such person. 
  
 “Scheduled Repayment” shall have the meaning provided in section 6.2(a). 
  
 “SEC” shall mean the United States Securities and Exchange Commission. 
  
 “Second Increase Amount” shall have the meaning
provided in section 2.1(d). 
  
 “SEC Regulation
D” shall mean Regulation D as promulgated under the Securities Act of 1933, as amended, as the same may be in effect from time to time. 
  
 “Section 6.4(b)(ii) Certificate” shall have the meaning provided in section 6.4(b)(ii). 
  
 “Security Agreement” shall mean, collectively, the
Security Agreement, dated as of November 4, 2005, by the Borrower and the other Subsidiary Guarantors party thereto, for the benefit of the Collateral Agent, the Reaffirmation of Security Agreement, dated as of the Closing Date, by the
Borrower, the other Subsidiary Guarantors party thereto, and the Collateral Agent, and each other Security Agreement executed in connection with this Agreement, as the same may be amended, restated, amended and restated, supplemented or otherwise
modified from time to time. 
  

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 “Security Documents” means each Security Agreement, each Pledge Agreement, each
Collateral Assignment of Patents, each Collateral Assignment of Trademarks, each Mortgage, each Control Agreement, each Collateral Access Agreement and each other document pursuant to which any Lien or security interest is granted by any Credit
Party to the Collateral Agent as security for any of the Obligations. 
  
 “Solarchem” shall mean Solarchem Environmental Systems, Inc., a Nevada corporation. 
  
 “Solvent Recovery Business” shall mean the Borrower’s solvent recovery business conducted at locations in the United States
and the United Kingdom. 
  
 “SPC” shall
have the meaning provided in section 13.4(f). 
  
 “Standard Permitted Liens” shall mean the following: 
  
 (i) Liens for taxes not yet delinquent or Liens for taxes being contested in good faith and by appropriate proceedings for which adequate
reserves (in the good faith judgment of the management of the Borrower) have been established; 
  
 (ii) Liens in respect of property or assets imposed by law that were incurred in the ordinary course of business, such as carriers’,
warehousemen’s, materialmen’s and mechanics’ Liens and other similar Liens arising in the ordinary course of business, that do not in the aggregate materially detract from the value of such property or assets or materially impair the
use thereof in the operation of the business of the Borrower or any Subsidiary; 
  
 (iii) Liens arising from judgments, decrees or attachments in circumstances not constituting an Event of Default under section 11.1(f);

  
 (iv) Liens (other than any Lien imposed by
ERISA) incurred or deposits made in the ordinary course of business in connection with workers’ compensation, unemployment insurance and other types of social security; and mechanic’s Liens, carrier’s Liens, and other Liens to secure
the performance of tenders, statutory obligations, contract bids, government contracts, performance and return-of-money bonds and other similar obligations, incurred in the ordinary course of business (exclusive of obligations in respect of the
payment for borrowed money), whether pursuant to statutory requirements, common law or consensual arrangements; 
  
 (v) Leases or subleases granted to others not interfering in any material respect with the business of the Borrower or any of its
Subsidiaries and any interest or title of a lessor under any lease not in violation of this Agreement; 
  
 (vi) easements, rights-of-way, zoning or deed restrictions, minor defects or irregularities in title and other similar charges or
encumbrances not interfering in any material respect with the ordinary conduct of the business of the Borrower or any of its Subsidiaries considered as an entirety; and 
  
 (vii) Liens arising from financing statements regarding property subject to leases not in violation of the
requirements of this Agreement, provided that such Liens are only in respect of the property subject to, and secure only, the respective lease (and any other lease with the same or an affiliated lessor). 
  

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 “Stated Amount” of each Letter of Credit shall mean the maximum available to be
drawn thereunder (regardless of whether any conditions or other requirements for drawing could then be met). 
  
 “Subordinated Indebtedness” shall mean any Indebtedness that has been subordinated to the Obligations in such manner and to such
extent as the Administrative Agent (acting on instructions from the Required Lenders) may require. 
  
 “Subsidiary” of any person shall mean and include: (i) any corporation more than 50% of whose stock of any class or classes
having by the terms thereof ordinary voting power to elect a majority of the directors of such corporation (irrespective of whether or not at the time stock of any class or classes of such corporation shall have or might have voting power by reason
of the happening of any contingency) is at the time owned by such person directly or indirectly through Subsidiaries; and (ii) any partnership, association, joint venture or other entity in which such person directly or indirectly through
Subsidiaries, has more than a 50% equity interest at the time. Unless otherwise expressly provided, all references herein to “Subsidiary” shall mean a Subsidiary of the Borrower. 
  
 “Subsidiary Guarantor” shall mean any Subsidiary that
is party to the Subsidiary Guaranty and shall in any event include each Subsidiary required to join the Subsidiary Guaranty pursuant to Section 9.13 hereof. 
  
 “Subsidiary Guaranty” means, collectively, the Subsidiary Guaranty, dated February 18, 2004, by
the Subsidiary Guarantors party thereto for the benefit of the Collateral Agent, the Reaffirmation of Subsidiary Guaranty, dated as of the Closing Date, by the Subsidiary Guarantors party thereto and the Collateral Agent, and any other Subsidiary
Guaranty executed and delivered in connection herewith, as the same may be amended, restated, amended and restated, supplemented or otherwise modified from time to time. 
  
 “Swing Line Lender” shall have the meaning provided in the introductory paragraph hereof and shall
include any other single Lender to whom the Swing Line Lender has transferred its entire Swing Line Revolving Commitment and any Swing Line Revolving Loans. 
  
 “Swing Line Participation Amount” shall have the meaning provided in section 2.5(b). 
  
 “Swing Line Revolving Commitment” shall mean, with
respect to the Swing Line Lender, the amount set forth opposite such Lender’s name in Annex I as its “Swing Line Revolving Commitment” as the same may be reduced from time to time pursuant to section 5.1, 5.2 and/or 11.2 or adjusted
from time to time as a result of assignments to or from the Swing Line Lender pursuant to section 13.4. 
  
 “Swing Line Revolving Facility” shall mean the credit facility evidenced by the Swing Line Revolving Commitment. 
  
 “Swing Line Revolving Loan” shall have the meaning
provided in section 2.1(b). 
  
 “Swing Line Revolving
Note” shall have the meaning provided in section 2.6(a). 
  
 “Synthetic Lease” shall mean any lease (i) that is accounted for by the lessee as an Operating Lease, and (ii) under which the lessee is intended to be the “owner” of the leased property for
Federal income tax purposes. 
  
 “Taxes”
shall have the meaning provided in section 6.4(a). 
  

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 “Term Commitment” shall mean, with respect to each Lender, the amount, if any,
set forth on Annex I, as the same may be reduced from time to time pursuant to sections 5.1, 5.2 and/or 11.2 or adjusted from time to time as a result of assignments to or from such Lender pursuant to section 13.4. 
  
 “Terminated Lender” shall have the meaning provided
in section 13.12. 
  
 “Term Facility”
shall mean the credit facility evidenced by the Total Term Commitment. 
  
 “Term Loan” has the meaning assigned to such term in section 2.1(c). 
  
 “Term Maturity Date” shall mean February 18, 2008 or such earlier date on which the Total Term Commitment is terminated.

  
 “Term Note” has the meaning assigned
to such term in section 2.6(a). 
  
 “Testing
Period” shall mean for any determination, a single period consisting of the four consecutive fiscal quarters of the Borrower then last ended (whether or not such quarters are all within the same fiscal year), except that
if a particular provision of this Agreement indicates that a Testing Period shall be of a different specified duration, such Testing Period shall consist of the particular fiscal quarter or quarters of the Borrower then last ended that are so
indicated in such provision. 
  
 “Total Term Loan
Commitment” shall mean the sum of the Term Commitments of the Lenders. 
  
 “Total Commitment” shall mean the sum of the Commitments of the Lenders. 
  
 “Total General Revolving Commitment” shall mean the sum of the General Revolving Commitments of the Lenders as may be increased or
decreased pursuant to section 2.1(d) or 5. 
  
 “Type” shall mean any type of Loan determined with respect to the interest option applicable thereto, i.e., a Prime Rate Loan, a Eurodollar Loan or a Eurodollar Market Index Rate Loan.

  
 “UCC” shall mean the Uniform
Commercial Code. 
  
 “Uncollateralized
Property” shall have the meaning specified in section 9.14(a). 
  
 “Unfunded Current Liability” of any Plan shall mean the amount, if any, by which the actuarial present value of the accumulated plan benefits under the Plan as of the close of its most recent
plan year exceeds the fair market value of the assets allocable thereto, each determined in accordance with Statement of Financial Accounting Standards No. 87, based upon the actuarial assumptions used by the Plan’s actuary in the most
recent annual valuation of the Plan. 
  
 “United
States” and “U.S.” each means United States of America. 
  
 “Unpaid Drawing” shall have the meaning specified in section 3.3(a). 
  
 “Unused General Revolving Commitment” for any Lender at any time shall mean the excess of (i) such Lender’s General
Revolving Commitment at such time over (ii) the principal amount of General Revolving Loans made by such Lender and outstanding at such time. 
  
 “Unused Swing Line Revolving Commitment” for the Swing Line Lender at any time shall mean the excess of (i) the Swing Line
Lender’s Swing Line Revolving Commitment at such time over (ii) the aggregate principal amount of Swing Line Revolving Loans made by the Swing Line Lender and outstanding at such time. 
  

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 “Unused Total General Revolving Commitment” shall mean, at any time, the excess
of (i) the Total General Revolving Commitment at such time over (ii) the sum of (x) the aggregate principal amount of all General Revolving Loans then outstanding plus (y) the aggregate Letter of Credit Outstandings at such time.

  
 “Wholly-Owned Subsidiary” shall mean
each Subsidiary of the Borrower at least 95% of whose capital stock, equity interests and partnership interests, other than director’s qualifying shares or similar interests, are owned directly or indirectly by the Borrower. 
  
 “Written,” “written” or
“in writing” shall mean any form of written communication or a communication by means of telex, facsimile transmission, e-mail electronic transmission, telegraph or cable. 
  
 
2.2. Computation of Time Periods. In this Agreement in the computation of periods of time from a specified date to a later specified date, the word “from” means “from and including” and the words
“to” and “until” each means “to but excluding.” 
  
 
2.3. Accounting Terms. Except as otherwise specifically provided herein, all terms of an accounting or financial nature shall be construed in accordance with GAAP, as in effect from time to time; provided
that, if the Borrower notifies the Administrative Agent that the Borrower requests an amendment to any provision of section 9 or 10 hereof to eliminate the effect of any change occurring after the Effective Date in GAAP or in the application thereof
to such provision (or if the Administrative Agent notifies the Borrower that the Required Lenders request an amendment to any such provision hereof for such purposes), regardless of whether any such notice is given before or after such change in
GAAP or in the application thereof, then such provision shall be interpreted on the basis of GAAP as in effect and applied immediately before such change shall have become effective until such notice shall have been withdrawn or such provision
amended in accordance with the requirements of this Agreement. 
  
 
2.4. Terms Generally. The definitions of terms herein shall apply equally to the singular and plural forms of the terms defined. Whenever the context may require, any pronoun shall include the corresponding masculine,
feminine and neuter forms. The words “include,” “includes” and “including” shall be deemed to be followed by the phrase “without limitation.” The word “will” shall be construed to have the same
meaning and effect as the word “shall.” Unless the context requires otherwise: (a) any definition of or reference to any agreement, instrument or other document herein shall be construed as referring to such agreement, instrument or
other document as from time to time amended, supplemented or otherwise modified (subject to any restrictions on such amendments, supplements or modifications set forth herein); (b) any reference herein to any person shall be construed to
include such person’s successors and assigns; (c) the words “herein,” “hereof” and “hereunder,” and words of similar import, shall be construed to refer to this Agreement in its entirety and not to any
particular provision hereof; (d) all references herein to sections, Annexes and Exhibits shall be construed to refer to sections of, and Annexes and Exhibits to, this Agreement; and (e) the words “asset” and “property”
shall be construed to have the same meaning and effect and to refer to any and all real property, tangible and intangible assets and properties, including cash, securities, accounts and contract rights, and interests in any of the foregoing.

  
 
SECTION 3. AMOUNT AND TERMS OF LOANS. 
  
 
3.1. Commitments for Loans. Subject to and upon the terms and conditions herein set forth, each Lender severally agrees to make a loan or loans (each a “Loan” and, collectively, the
“Loans”) to 

  

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the Borrower, which Loans shall be drawn, to the extent such Lender has a Commitment under a Facility for the Borrower, under the applicable Facility, as set
forth below: 
  
 (a) General Revolving Facility. Loans to
the Borrower under the General Revolving Facility (each a “General Revolving Loan” and, collectively, the “General Revolving Loans”): (i) may be made at any time and from time to time on and after
the Closing Date and prior to the Maturity Date; (ii) shall be made only in U.S. dollars; (iii) except as otherwise provided, may, at the option of the Borrower, be incurred and maintained as, or Converted into, General Revolving Loans
that are either Prime Rate Loans or Eurodollar Loans, in each case denominated in Dollars, provided that all General Revolving Loans made as part of the same Borrowing shall, unless otherwise specifically provided herein, consist of
General Revolving Loans of the same Type; (iv) may be repaid or prepaid and reborrowed in accordance with the provisions hereof; (v) may only be made if after giving effect thereto the Unused Total General Revolving Commitment exceeds the
outstanding Swing Line Revolving Loans; and (vi) shall not exceed for any Lender at any time outstanding the General Revolving Commitment of such Lender at such time minus such Lender’s General Revolving Facility Percentage of the Letter
of Credit Outstandings and Swing Line Participation Amount. 
  
 (b) Swing Line Revolving Facility. Loans to the Borrower under the Swing Line Revolving Facility (each a “Swing Line Revolving Loan” and, collectively, the “Swing Line Revolving
Loans”): (i) shall be made only by the Swing Line Lender; (ii) may be made at any time and from time to time on and after the Closing Date and prior to the Maturity Date; (iii) shall be made only in U.S. dollars;
(iv) may be incurred as a Prime Rate or a Eurodollar Market Index Rate Loan; (v) may be repaid or prepaid and reborrowed in accordance with the provisions hereof; (vi) may only be made if after giving effect thereto the Unused Total
General Revolving Commitment exceeds the outstanding Swing Line Revolving Loans; and (vii) shall not exceed for the Swing Line Lender at any time outstanding its Swing Line Revolving Commitment at such time. 
  
 (c) Term Loan Facility. Loans to the Borrower under the Term Loan
Facility (each a “Term Loan” and, collectively, the “Term Loans”): (i) can only be incurred by the Borrower in Dollars on the Closing Date in the entire amount of the Total Term Loan Commitment;
(ii) except as otherwise provided, may, at the option of the Borrower, be incurred and maintained as, or Converted into Term Loans which are Prime Rate Loans or Eurodollar Loans, provided that all Term Loans made as part of the
same Term Loan Borrowing shall, unless otherwise specifically provided herein, consist of Term Loans of the same Type; and (iii) shall not exceed for any Lender at the time of incurrence thereof the aggregate principal amount of the Term Loan
Commitment, if any, of such Lender at such time. Once prepaid or repaid, Term Loans may not be reborrowed. 
  
 (d) Increase in General Revolving Commitments. 
  
 (i) The Borrower may, by written notice to the Administrative Agent from time to time, request that the Total General Revolving Commitment
be increased (a “Commitment Increase”) by an amount not to exceed, in the aggregate for all Commitment Increases, the sum of $13,000,000 (the “First Increase Amount”) plus $10,000,000
(the “Second Increase Amount,” together with the First Increase Amount, the “Total Increase Amount”). The Administrative Agent shall deliver a copy thereof to each Lender with a General Revolving
Commitment. Such notice shall set forth the amount of the requested increase in the Total General Revolving Commitment (which, with respect to the First Increase Amount, shall be in minimum increments of $1,000,0000 and a minimum amount of
$5,000,000 and with respect to the Second Increase Amount, minimum increments of $5,000,000 and a minimum amount of $5,000,000) and the date on which such increase is requested to become effective (which shall be not less than 10 Business Days nor
more than 60 days after the date of such notice and that, in any event, must be on or prior to the Maturity Date). Commitment Increases will be provided by 

  

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one or more Incremental Revolving Lenders (which may include any existing Lender) willing to provide such Commitment Increases at their own discretion Each
Incremental Revolving Lender, if not already a Lender with a General Revolving Commitment hereunder, shall be subject to the approval of the Administrative Agent (which approval shall not be unreasonably withheld), and the Borrower and each
Incremental Revolving Lender shall execute all such documentation as the Administrative Agent shall reasonably specify to evidence its General Revolving Commitment and/or its status as a Lender with a General Revolving Commitment hereunder. Any
increase in the Total General Revolving Commitment may be made in an amount that is less than the increase requested by the Borrower if the Borrower is unable to arrange for, or chooses not to arrange for, Incremental Revolving Loans in the maximum
amount of the entire Increase Amount. 
  
 (ii)
Each of the parties hereto agrees that the Administrative Agent may take any and all actions as may be reasonably necessary to ensure that after giving effect to any increase in the Total General Revolving Commitment pursuant to this section 2.1(d),
the outstanding General Revolving Loans (if any) are held by the Lenders with General Revolving Commitments in accordance with their new General Revolving Facility Percentages. 
  
 (iii) Notwithstanding the foregoing, no increase in the Total General Revolving Credit Commitment (or in the
General Revolving Commitment of any Lender) or addition of a new Lender shall become effective under this section 2.1(d) unless: (x) with respect to the Second Increase Amount only, cash proceeds from asset sales in a minimum amount of
$15,000,000 have been received by the Borrower; (y) on the date of such increase, the conditions set forth in section 7.2 shall be satisfied, and the Administrative Agent shall have received a certificate to that effect dated such date and
executed by a responsible financial officer of the Borrower; and (z) the Administrative Agent shall have received (with sufficient copies for each of the Lenders with General Revolving Commitments) certificates, legal opinions, board
resolutions and an officer’s certificate consistent with those delivered on the Closing Date under sections 7.1(c), (d), (e) and (f). 
  
 (iv) Nothing in this section 2.1(d) shall be deemed to require any Lender to increase its General Revolving Commitment at any time without
the written consent of such Lender. 
  
 
3.2. Minimum Borrowing Amounts, etc.; Pro Rata Borrowings. (a) The aggregate principal amount of each Borrowing by the Borrower shall not be less than the Minimum Borrowing Amount. More than one Borrowing may be
incurred by the Borrower on any day, provided that: (i) if there are two or more Borrowings on a single day under the same Facility that consist of Eurodollar Loans, each such Borrowing shall have a different initial Interest
Period; (ii) only one Borrowing under the Swing Line Revolving Facility may be made on any single day; and (iii) at no time shall there be more than an aggregate of eight Borrowings of Eurodollar Loans outstanding hereunder. 
  
 (b) All Borrowings under a Facility shall be made by the Lenders
having Commitments under such Facility pro rata on the basis of their respective Commitments under such Facility. It is understood that no Lender shall be responsible for any default by any other Lender in its obligation to make Loans
hereunder and that each Lender shall be obligated to make the Loans provided to be made by it hereunder, regardless of the failure of any other Lender to fulfill its Commitment hereunder. 
  
 
3.3. Procedures for Borrowing. (a) Notice of Borrowing. Whenever the Borrower desires to incur Loans, it shall give the Administrative Agent at its Notice Office: 
  
 (A) Borrowings of Prime Rate Loans under the General
Revolving and Term Facilities: in the case of any Borrowing under the General Revolving Facility or the Term 

  

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Facility of Prime Rate Loans to be made hereunder, prior to 12:00 noon (local time at its Notice Office), at least one Business Day’s prior written or
telephonic notice thereof (in the case of telephonic notice, promptly confirmed in writing); or 
  
 (B) Borrowings of Eurodollar Loans under the General Revolving and Term Facilities: in the case of any Borrowing under the General
Revolving Facility or the Term Facility of Eurodollar Loans to be made hereunder, prior to 12:00 noon (local time at its Notice Office), at least three Business Days’ prior written or telephonic notice thereof (in the case of telephonic notice,
promptly confirmed in writing); or 
  
 (C)
Borrowings under the Swing Line Revolving Facility: in the case of any Borrowing under the Swing Line Revolving Facility of a Prime Rate Loan or a Eurodollar Market Index Rate Loan, prior to 1:00 P.M. (local time at its Notice Office), on the
proposed date of Borrowing, written or telephonic notice thereof (in the case of telephonic notice, promptly confirmed in writing if so requested by the Administrative Agent). 
  
 Each such notice (each such notice, a “Notice of Borrowing”) shall (in the case of Swing Line Revolving Loans, if
requested by the Administrative Agent to be confirmed in writing), be substantially in the form of Exhibit B-1, and in any event shall be irrevocable and shall specify: (i) the Facility under which the Borrowing is to be incurred; (ii) the
aggregate principal amount of the Loans to be made pursuant to such Borrowing; (iii) the date of the Borrowing (which shall be a Business Day); (iv) whether the Borrowing shall consist of Prime Rate Loans, Eurodollar Loans or Eurodollar
Market Index Rate Loans; and (v) if the requested Borrowing consists of Eurodollar Loans, the Interest Period to be initially applicable thereto. If the Borrower fails to specify in a Notice of Borrowing the Interest Period for any Eurodollar
Loans, such Interest Period shall be deemed to be one month. The Administrative Agent shall promptly give each Lender that has a Commitment under any applicable Facility written notice (or telephonic notice promptly confirmed in writing) of each
proposed Borrowing under the applicable Facility, of such Lender’s proportionate share thereof and of the other matters covered by the Notice of Borrowing relating thereto. 
  
 (b) Actions by Administrative Agent on Telephonic Notice. Without in any way limiting the obligation of the Borrower
to confirm in writing any telephonic notice permitted to be given hereunder, the Administrative Agent may act prior to receipt of written confirmation without liability upon the basis of such telephonic notice believed by the Administrative Agent in
good faith to be from an Authorized Officer of the Borrower entitled to give telephonic notices under this Agreement on behalf of the Borrower. In each such case, the Administrative Agent’s record of the terms of such telephonic notice shall be
conclusive absent manifest error. 
  
 
3.4. Disbursement of Funds. (a) No later than 2:00 P.M. (local time at the Payment Office) on the date specified in each Notice of Borrowing, each Lender with a Commitment under the Facility under which
any Borrowing pursuant to such Notice of Borrowing is to be made will make available its pro rata share, if any, of each Borrowing under such Facility requested to be made on such date in the manner provided below. All amounts shall be
made available to the Administrative Agent in U.S. dollars and immediately available funds at the Payment Office and the Administrative Agent promptly will make available to the Borrower by depositing to its account at the Payment Office the
aggregate of the amounts so made available in the type of funds received. Unless the Administrative Agent shall have been notified by any Lender prior to the date of Borrowing that such Lender does not intend to make available to the Administrative
Agent its portion of the Borrowing or Borrowings to be made on such date, the Administrative Agent may assume that such Lender has made such amount available to the Administrative Agent on such date of Borrowing, and the Administrative Agent, in
reliance upon such assumption, may (in its sole discretion and without any obligation to do so) make available to the Borrower a corresponding amount. If such corresponding amount is not in fact made available to the 

  

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Administrative Agent by such Lender and the Administrative Agent has made available same to the Borrower, the Administrative Agent shall be entitled to
recover such corresponding amount from such Lender. If such Lender does not pay such corresponding amount forthwith upon the Administrative Agent’s demand therefor, the Administrative Agent shall promptly notify the Borrower, and the Borrower
shall immediately pay such corresponding amount to the Administrative Agent. The Administrative Agent shall also be entitled to recover from such Lender or the Borrower, as the case may be, interest on such corresponding amount in respect of each
day from the date such corresponding amount was made available by the Administrative Agent to the Borrower to the date such corresponding amount is recovered by the Administrative Agent, at a rate per annum equal to (x) if paid by such Lender,
the overnight Federal Funds Effective Rate, or (y) if paid by the Borrower, the then applicable rate of interest, calculated in accordance with section 2.8, for the respective Loans (but without any requirement to pay any amounts in respect
thereof pursuant to section 2.11). 
  
 (b) Nothing
herein and no subsequent termination of the Commitments pursuant to section 5.1 or 5.2 shall be deemed to relieve any Lender from its obligation to fulfill its commitments hereunder and in existence from time to time or to prejudice any rights
that the Borrower may have against any Lender as a result of any default by such Lender hereunder. 
  
 
3.5. Refunding of, or Participation in, Swing Line Revolving Loans. (a) If any Event of Default exists, the Swing Line Lender may, in its sole and absolute discretion, direct that the Swing Line Revolving
Loans owing to it be refunded by delivering a notice to such effect to the Administrative Agent, specifying the aggregate principal amount thereof (a “Notice of Swing Line Refunding”). Promptly upon receipt of a Notice of
Swing Line Refunding, the Administrative Agent shall give notice of the contents thereof to the Lenders with General Revolving Commitments and, unless an Event of Default specified in section 11.1(g) in respect of the Borrower has occurred, also to
the Borrower. Each such Notice of Swing Line Refunding shall be deemed to constitute delivery by the Borrower of a Notice of Borrowing requesting General Revolving Loans consisting of Prime Rate Loans in the amount of the Swing Line Revolving Loans
to which it relates. Each Lender with a General Revolving Commitment (including the Swing Line Lender, in its capacity as a Lender) hereby unconditionally agrees (notwithstanding that any of the conditions specified in section 7.2 hereof or
elsewhere in this Agreement shall not have been satisfied, but subject to the provisions of paragraph (b) below) to make a General Revolving Loan to the Borrower in an amount equal to such Lender’s General Revolving Facility Percentage of
the aggregate amount of the Swing Line Revolving Loans to which such Notice of Swing Line Refunding relates. Each such Lender shall make the amount of such General Revolving Loan available to the Administrative Agent in immediately available funds
at the Payment Office not later than 2:00 P.M. (local time at the Payment Office), if such notice is received by such Lender prior to 11:00 A.M. (local time at its Domestic Lending Office), or not later than 2:00 P.M. (local time at the
Payment Office) on the next Business Day, if such notice is received by such Lender after such time. The proceeds of such General Revolving Loans shall be made immediately available to the Swing Line Lender and applied by it to repay the principal
amount of the Swing Line Revolving Loans to which such Notice of Swing Line Refunding related. The Borrower irrevocably and unconditionally agrees that, notwithstanding anything to the contrary contained in this Agreement, General Revolving Loans
made as herein provided in response to a Notice of Swing Line Refunding shall constitute General Revolving Loans hereunder consisting of Prime Rate Loans. 
  
 (b) If prior to the time a General Revolving Loan would otherwise have been made as provided above as a consequence of a Notice of Swing Line
Refunding, any of the events specified in section 11.1(g) shall have occurred in respect of the Borrower or one or more of the Lenders with General Revolving Commitments shall determine that it is legally prohibited from making a General Revolving
Loan under such circumstances, each Lender (other than the Swing Line Lender), or each Lender (other than the Swing Line Lender) so prohibited, as the case may be, shall, on the date such General Revolving 

  

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Loan would have been made by it (the “Purchase Date”), purchase an undivided participating interest in the outstanding Swing Line
Revolving Loans to which such Notice of Swing Line Refunding related, in an amount (the “Swing Line Participation Amount”) equal to such Lender’s General Revolving Facility Percentage of such Swing Line Revolving Loans.
On the Purchase Date, each such Lender or each such Lender so prohibited, as the case may be, shall pay to the Swing Line Lender, in immediately available funds, such Lender’s Swing Line Participation Amount, and promptly upon receipt thereof
the Swing Line Lender shall, if requested by such other Lender, deliver to such Lender a participation certificate, dated the date of the Swing Line Lender’s receipt of the funds from, and evidencing such Lender’s participating interest in
such Swing Line Revolving Loans and its Swing Line Participation Amount in respect thereof. If any amount required to be paid by a Lender to the Swing Line Lender pursuant to the above provisions in respect of any Swing Line Participation Amount is
not paid on the date such payment is due, such Lender shall pay to the Swing Line Lender on demand interest on the amount not so paid at the overnight Federal Funds Effective Rate from the due date until such amount is paid in full. 
  
 (c) Whenever, at any time after the Swing Line Lender has received
from any other Lender such Lender’s Swing Line Participation Amount, the Swing Line Lender receives any payment from or on behalf of the Borrower on account of the related Swing Line Revolving Loans, the Swing Line Lender will promptly
distribute to such Lender its General Revolving Facility Percentage of such payment on account of its Swing Line Participation Amount (appropriately adjusted, in the case of interest payments, to reflect the period of time during which such
Lender’s participating interest was outstanding and funded); provided, however, that in the event such payment received by the Swing Line Lender is required to be returned, such Lender will return to the Swing Line Lender any
portion thereof previously distributed to it by the Swing Line Lender. 
  
 (d) Each Lender’s obligation to make General Revolving Loans and/or to purchase participations in connection with a Notice of Swing Line Refunding (that shall in all events be within such Lender’s Unused General Revolving
Commitment, taking into account all outstanding participations in connection with Swing Line Refundings) shall be subject to the conditions that: 
  
 (i) such Lender shall have received a Notice of Swing Line Refunding complying with the provisions hereof, and 
  
 (ii) at the time the Swing Line Revolving Loans that are the
subject of such Notice of Swing Line Refunding were made, the Swing Line Lender had no actual written notice from another Lender that an Event of Default had occurred and was continuing, 
  
 but otherwise shall be absolute and unconditional, shall be solely for the benefit of the Swing Line Lender, and shall not be affected by
any circumstance, including, without limitation: (A) any set-off, counterclaim, recoupment, defense or other right that such Lender may have against any other Lender, the Borrower, or any other person, may have against any Lender or other
person, as the case may be, for any reason whatsoever; (B) the occurrence or continuance of a Default or Event of Default; (C) any event or circumstance involving a Material Adverse Effect upon the Borrower; (D) any breach of any
Credit Document by any party thereto; or (E) any other circumstance, happening or event, whether or not similar to any of the foregoing. 
  
 
3.6. Notes and Loan Accounts. (a) Forms of Notes. The Borrower’s obligation to pay the principal of, and interest on, the Loans made to it by each Lender shall be evidenced: (i) if a Term Loan, and
if so requested by the applicable Lender, by a promissory note of the Borrower substantially in the form of Exhibit A-1 with blanks appropriately completed in conformity herewith (each a “Term Note” and, collectively,
the “Term Notes”); (ii) if a General Revolving Loan, by a promissory note substantially in the form of Exhibit A-2 with blanks appropriately completed in conformity herewith (each a “General Revolving
Note” and, collectively, the “General Revolving Notes”); and (iii) if Swing Line Revolving Loan, by a promissory note substantially in the form of Exhibit A-3 with blanks appropriately completed in
conformity herewith (the “Swing Line Revolving Note”). 
  

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 (b) Term Notes. The Term Note issued to a Lender with a Term Commitment shall: (i) be
executed by the Borrower; (ii) be payable to the order of such Lender and be dated on or prior to the Closing Date; (iii) be payable in the principal amount of Term Loans evidenced thereby; (iv) be payable in installments and mature
on the Term Maturity Date; (v) bear interest as provided in section 2.8 in respect of the Prime Rate Loans or Eurodollar Loans, as the case may be, evidenced thereby; (vi) be subject to mandatory prepayment as provided in
section 6.2; and (vii) be entitled to the benefits of this Agreement and the other Credit Documents. 
  
 (c) General Revolving Notes. The General Revolving Note issued to a Lender with a General Revolving Commitment shall: (i) be executed by the
Borrower; (ii) be payable to the order of such Lender and be dated on or prior to the date the first Loan evidenced thereby is made; (iii) be in a stated principal amount equal to the General Revolving Commitment of such Lender and be
payable in the principal amount of General Revolving Loans evidenced thereby; (iv) mature on the Maturity Date; (v) bear interest as provided in section 2.8 in respect of the Prime Rate Loans and Eurodollar Loans, as the case may be,
evidenced thereby; (vi) be subject to mandatory prepayment as provided in section 6.2; and (vii) be entitled to the benefits of this Agreement and the other Credit Documents. 
  
 (d) Swing Line Revolving Note. The Swing Line Revolving Note issued to
the Swing Line Lender shall: (i) be executed by the Borrower; (ii) be payable to the order of such Lender and be dated on or prior to the date the first Loan evidenced thereby is made; (iii) be in a stated principal amount equal to
the Swing Line Revolving Commitment of such Lender and be payable in the principal amount of Swing Line Revolving Loans evidenced thereby; (iv) mature as to any Swing Line Revolving Loan no later than the Maturity Date; (v) bear interest
as provided in section 2.8 in respect of Prime Rate Loans or Eurodollar Market Index Rate Loans, as the case may be; (vi) be subject to mandatory prepayment as provided in section 6.2; and (vii) be entitled to the benefits of this
Agreement and the other Credit Documents. 
  
 (e) Loan Accounts
of Lenders. Each Lender shall maintain in accordance with its usual practice an account or accounts evidencing the indebtedness of the Borrower to such Lender resulting from each Loan made by such Lender, including the amounts of principal and
interest payable and paid to such Lender from time to time hereunder. 
  
 (f) Loan Accounts of Administrative Agent. The Administrative Agent shall maintain accounts in which it shall record: (i) the amount of each Loan made hereunder, the Type thereof, the particular Facility under which such Loan
was made, and the Interest Period or maturity date and applicable interest rate if such Loan is a Eurodollar Loan; (ii) the amount of any principal due and payable or to become due and payable from the Borrower to each Lender hereunder; and
(iii) the amount of any sum received by the Administrative Agent hereunder for the account of the Lenders and each Lender’s share thereof. 
  
 (g) Effect of Loan Accounts, etc. The entries made in the accounts maintained pursuant to section 2.6(e) and (f) shall be prima
facie evidence of the existence and amounts and amounts of the obligations recorded therein; provided, that the failure of any Lender or the Administrative Agent to maintain such accounts or any error therein shall not in any
manner affect the obligation of the Borrower to repay or prepay the Loans in accordance with the terms of this Agreement. 
  
 (h) Endorsements of Amounts on Notes Prior to Transfer. Each Lender will, prior to any transfer of any of the Notes issued to it by the Borrower,
endorse on the reverse side thereof or the grid attached thereto the outstanding principal amount of Loans evidenced thereby. Failure to make any such notation or any error in any such notation shall not affect the Borrower’s obligations in
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3.7. Voluntary Conversions of Loans. The Borrower shall have the option to Convert on any Business Day all or a portion at least equal to the applicable Minimum Borrowing Amount of the outstanding principal amount of its
Loans of one Type owing by it into a Borrowing or Borrowings pursuant to a single Facility of another Type of Loans that can be made pursuant to such Facility, provided that: 
  
 (i) no Conversion may be made with respect to any Swing Line
Revolving Loans; 
  
 (ii) no partial Conversion
of a Borrowing of Eurodollar Loans shall reduce the outstanding principal amount of the Eurodollar Loans made pursuant to such Borrowing to less than the Minimum Borrowing Amount applicable thereto; 
  
 (iii) any Conversion of Eurodollar Loans into Prime Rate
Loans shall be made on, and only on, the last day of an Interest Period for such Eurodollar Loans; 
  
 (iv) Prime Rate Loans may only be Converted into Eurodollar Loans if no Default under section 11.1(a) or Event of Default is in existence
on the date of the Conversion unless the Required Lenders otherwise agree; 
  
 (v) Prime Rate Loans may not be Converted into Eurodollar Loans during any period when such Conversion is not permitted under section 2.10; and 
  
 (vi) Borrowings of Eurodollar Loans resulting from this section 2.7 shall conform to the requirements of
section 2.2. 
  
 Each such Conversion shall be effected by the Borrower giving the
Administrative Agent at its Notice Office, prior to 12:00 noon (local time at such Notice Office), at least three Business Days’, in the case of Conversion into a Eurodollar Loans (or prior to 12:00 noon (local time at such Notice Office) same
Business Day’s, in the case of a Conversion into Prime Rate Loans), prior written notice (or telephonic notice promptly confirmed in writing if so requested by the Administrative Agent) (each a “Notice of Conversion”),
substantially in the form of Exhibit B-2, specifying the Loans to be so Converted, the Type of Loans to be Converted into and, if to be Converted into a Borrowing of Eurodollar Loans, the Interest Period to be initially applicable thereto. The
Administrative Agent shall give each Lender prompt notice of any such proposed Conversion affecting any of its Loans. For the avoidance of doubt, the prepayment or repayment of any General Revolving Loans out of the proceeds of other General
Revolving Loans by the Borrower shall not be considered a Conversion of General Revolving Loans into other General Revolving Loans. 
  
 
3.8. Interest. (a) Interest Rate for Prime Rate Loans. During such periods as a Loan is a Prime Rate Loan, the unpaid principal amount thereof shall bear interest at a fluctuating rate per annum that shall at
all times be equal to the Prime Rate in effect from time to time plus the Applicable Prime Rate Margin (as defined in section 2.8(h) below) in effect from time to time. 
  
 (b) Interest Rate for Eurodollar Loans. During such periods as a Loan is a Eurodollar Loan, the unpaid principal
amount thereof shall bear interest at a rate per annum that shall at all times during any Interest Period applicable thereto be the Applicable Eurodollar Rate Margin (as defined in Section 2.8(h) below) for such Eurodollar Loan
plus the relevant Eurodollar Rate for such Interest Period. 
  

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 (c) Interest Rate for Eurodollar Market Index Rate Loans. During such periods as a Swing Line
Revolving Loan is a Eurodollar Market Index Rate Loan, the unpaid principal amount thereof shall bear interest at a fluctuating rate that shall at all times be equal to the Applicable Eurodollar Rate Margin (as defined in Section 2.8(h) below)
plus the Eurodollar Market Index Rate plus 50 basis points. 
  
 (d) Default Interest. Notwithstanding the above provisions, if an Event of Default is in existence, all outstanding amounts of principal and, to the extent permitted by law, all overdue interest, in respect of
each Loan shall bear interest, payable on demand, at a fluctuating rate per annum equal to 2% per annum above the interest rate that would be applicable under section 2.8(a) to Prime Rate Loans in effect from time to time. If any amount (other
than the principal of and interest on the Loans) payable by the Borrower under the Credit Documents is not paid when due, all amounts outstanding shall bear interest, payable on demand, at a fluctuating rate per annum equal 2% per annum above
the interest rate that would be applicable under section 2.8(a) to Prime Rate Loans in effect from time to time. 
  
 (e) Accrual and Payment of Interest. Interest shall accrue from and including the date of any Borrowing to but excluding the date of any prepayment
or repayment thereof and shall be payable: 
  
 (i) in the case of any Swing Line Revolving Loan, (A) at the maturity date thereof, (B) on the last Business Day of each month, (C) on any prepayment (on the amount prepaid), and (D) after maturity (whether by
acceleration or otherwise), on demand; 
  
 (ii)
in the case of any General Revolving Loan, (A) that is a Prime Rate Loan, monthly in arrears on the last Business Day of each calendar month, (B) that is a Eurodollar Loan, on the last day of each Interest Period applicable thereto and, in
the case of an Interest Period in excess of three months, on the dates that are successively three months after the commencement of such Interest Period, and (C) on any repayment, prepayment or Conversion (on the amount repaid, prepaid or
Converted), at maturity (whether by acceleration or otherwise) and, after such maturity, on demand; and 
  
 (iii) in the case of any Term Loan (A) that is a Prime Rate Loan, monthly in arrears on the last business day of each calendar month,
and (B) that is a Eurodollar Loan, on the last day of each Interest Period applicable thereto and, in the case of an Interest Period in excess of three months, on the dates that are successively three months after the commencement of such
Interest Period, and (C) on any repayment, prepayment or Conversion (on the amount repaid, prepaid or Converted), at maturity (whether by acceleration or otherwise) and, after such maturity, on demand. 
  
 (f) Computations of Interest. All computations of interest hereunder
shall be made in accordance with section 13.7(b). 
  
 (g)
Information as to Interest Rates. The Administrative Agent upon determining the interest rate for any Borrowing shall promptly notify the Borrower and the affected Lenders thereof. If the Administrative Agent is unable to determine the
Eurodollar Rate for any Borrowing of Eurodollar Loans or the Eurodollar Market Index Rate for any Borrowing of Eurodollar Market Index Rate Loans by reference to the Telerate screen or other information provided by a service organization referred to
in clause (i) of the definition of the term Eurodollar Rate, then each Reference Bank agrees to furnish the Administrative Agent timely information for the purpose of determining the Eurodollar Rate for any such Borrowing. If any one or more of
the Reference Banks shall not timely furnish such information, the Administrative Agent shall determine the Eurodollar Rate on the basis of timely information furnished by the remaining Reference Banks. 
  

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 (h) Interest Margins. As used herein, the term “Applicable Prime Rate
Margin,” as applied to any Loan that is a Prime Rate Loan, and the term “Applicable Eurodollar Rate Margin,” as applied to any Loan that is a Eurodollar Loan, means the particular rate per annum determined by the
Administrative Agent in accordance with the Pricing Grid Table that appears below, based on the Borrower’s ratio of Consolidated Total Debt to Adjusted Consolidated EBITDA and such Pricing Grid Table, and the following provisions: 

 
 (i) Initially, until changed hereunder in accordance with
the following provisions, the Applicable Prime Rate Margin for General Revolving Loans will be 100 basis points per annum and for Term Loans will be 100 basis points per annum, and the Applicable Eurodollar Rate Margin for General Revolving Loans
will be 250 basis points per annum and for Term Loans will be 250 basis points per annum. 
  
 (ii) Upon receipt of the covenant compliance report for the fiscal quarter of the Borrower ended on or nearest to December 31, 2005,
and continuing with each fiscal quarter thereafter, the Administrative Agent will determine the Applicable Prime Rate Margin for any Prime Rate Loan and the Applicable Eurodollar Rate Margin for any Eurodollar Loan or Eurodollar Market Index Rate
Loan in accordance with the Pricing Grid Table, based on the Borrower’s ratio of (x) Consolidated Total Debt as of the end of the fiscal quarter, to (y) Consolidated EBITDA for the Testing Period ended on the last day of the fiscal
quarter, and identified in such Pricing Grid Table. Changes in the Applicable Prime Rate Margin and the Applicable Eurodollar Rate Margin based upon changes in such ratio shall become effective on the first day of the month following the receipt by
the Administrative Agent pursuant to section 9.1(a) or (b) of the financial statements of the Borrower, accompanied by the certificate and calculations referred to in section 9.1(c), demonstrating the computation of such ratio, based upon the
ratio in effect at the end of the applicable period covered (in whole or in part) by such financial statements. 
  
 (iii) Notwithstanding the above provisions, during any period when (A) the Borrower has failed to timely deliver its consolidated
financial statements referred to in section 9.1(a) or (b), accompanied by the certificate and calculations referred to in section 9.1(c), or (B) an Event of Default has occurred and is continuing, the Applicable Prime Rate Margin and the
Applicable Eurodollar Rate Margin shall each be the highest rate per annum indicated therefor in the Pricing Grid Table, regardless of the Borrower’s ratio of Consolidated Total Debt to Consolidated EBITDA at such time. 
  
 (iv) Any changes in the Applicable Prime Rate Margin or the
Applicable Eurodollar Rate Margin shall be determined by the Administrative Agent in accordance with the above provisions and the Administrative Agent will promptly provide notice of such determinations to the Borrower and the Lenders. Any such
determination by the Administrative Agent pursuant to this section 2.8(h) shall be conclusive and binding absent manifest error. 
  

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 PRICING GRID TABLE 
  
 (expressed in basis points) 
  

															
	 	  	 Ratio of
Consolidated
 Total Debt To
Adjusted
Consolidated
EBITDA

	  	Applicable
Eurodollar
Rate
Margin for
General
Revolving
Loans

	  	Applicable
Prime Rate
Margin for
General
Revolving
Loans

	 	 	Applicable
Eurodollar
Rate Margin
for Term
Loans

	  	Applicable
Prime Rate
Margin for
Term Loans

	 	 	Applicable
Commitment
Fee Rate


	 Tier V
	  	33.50x	  	250.0	  	100.0	 	 	250.0	  	100.0	 	 	50.0
	 Tier IV
	  	<3.50x & 33.0x	  	225.0	  	75.0	 	 	225.0	  	75.0	 	 	37.5
	 Tier III
	  	<3.0x & 32.25x	  	200.0	  	50.0	 	 	200.0	  	50.0	 	 	37.5
	 Tier II
	  	<2.25x & 31.50x	  	150.0	  	00.0	 	 	150.0	  	00.0	 	 	25.0
	 Tier I
	  	<1.50x	  	125.0	  	(25.0	)	 	125.0	  	(25.0	)	 	25.0

  
 Notwithstanding any other provision of
this Agreement, the Applicable Eurodollar Rate Margin for Term Loans and the Applicable Prime Rate Margin for Term Loans will be increased by 25 basis points on each of (i) February 15, 2006, if the Borrower has not sold the Solvent
Recovery Business to a third-party purchaser which has resulted in Net Cash Proceeds from such Asset Sale in an amount equal to at least $5,000,000 being received by the Borrower or any of its Subsidiaries (and applied to the Loans as provided in
6.2(f)) on or before such date, and (ii) March 31, 2006, if the Borrower has not sold the Bodenfelde Facility to a third party purchaser which has resulted in Net Cash Proceeds from such Asset Sale in an amount equal to at least
$10,000,000 being received by the Borrower or any of its Subsidiaries (and applied to the Loans in accordance with the provisions of section 6.2(f)) on or before such date. For the avoidance of doubt, the Applicable Margin will increase by an
aggregate of 50 basis points if neither of the events described in the previous sentence occur by the specified dates. Any increases in the Pricing Grid occurring as a result of such events will remain in effect until the Term Loans are paid in
full. 
  
 
3.9. Selection and Continuation of Interest Periods. (a) The Borrower shall have the right 
  
 (x) at the time it gives a Notice of Borrowing or Notice of Conversion in respect of the making of, or a Conversion into, Loans consisting
of Eurodollar Loans, to select in such Notice the Interest Period to be applicable to such Borrowing; and 
  
 (y) prior to 11:00 A.M. (local time at the Notice Office) on the third Business Day prior to the expiration of an Interest Period
applicable to a Borrowing of Loans consisting of Eurodollar Loans, to elect by giving the Administrative Agent written or telephonic notice (in the case of telephonic notice, promptly confirmed in writing if so requested by the Administrative Agent)
to Continue all or the Minimum Borrowing Amount of the principal amount of such Loans as one or more Borrowings of Eurodollar Loans and to select the Interest Period to be applicable to any such Borrowing (any such notice, a “Notice of
Continuation”), 
  
 which Interest Period shall, at the option of the
Borrower, be a one, two, three or six month period; provided, that notwithstanding anything to the contrary contained above, the Borrower’s right to select an Interest Period or to effect any Continuation shall be subject to the
applicable provisions of section 2.10 and to the following: 
  

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 (i) the initial Interest Period for any Borrowing of Eurodollar Loans shall commence on
the date of such Borrowing (the date of a Borrowing resulting from a Conversion or Continuation shall be the date of such Conversion or Continuation) and each Interest Period occurring thereafter in respect of such Borrowing shall commence on the
day on which the next preceding Interest Period expires; 
  
 (ii) if any Interest Period begins on a day for which there is no numerically corresponding day in the calendar month at the end of such Interest Period, such Interest Period shall end on the last Business Day of such
calendar month; 
  
 (iii) if any Interest Period
would otherwise expire on a day that is not a Business Day, such Interest Period shall expire on the next succeeding Business Day, provided that if any Interest Period would otherwise expire on a day that is not a Business Day but is a
day of the month after which no further Business Day occurs in such month, such Interest Period shall expire on the next preceding Business Day; 
  
 (iv) no Interest Period for any Eurodollar Loan may be selected that would end after the Maturity Date; 
  
 (v) each Borrowing of Eurodollar Loans resulting from any
Continuation shall be in at least the Minimum Borrowing Amount applicable thereto; and 
  
 (vi) no Interest Period may be elected at any time when a Default under section 11.1(a) or an Event of Default is then in existence unless
the Required Lenders otherwise agree. 
  
 (b) If upon the
expiration of any Interest Period the Borrower has failed to (or may not) elect a new Interest Period to be applicable to the respective Borrowing of Eurodollar Loans as provided above, in the case of any such Eurodollar Loans that are denominated
in Dollars, the Borrower shall be deemed to have elected to Convert such Borrowing to Prime Rate Loans effective as of the expiration date of such current Interest Period. 
  
 
3.10. Increased Costs, Illegality, etc. (a) In the event that (x) in the case of clause (i) below, the Administrative Agent or (y) in the case of clauses (ii) and (iii) below, any
Lender, shall have determined on a reasonable basis (which determination shall, absent manifest error, be final and conclusive and binding upon all parties hereto): 
  
 (i) on any date for determining the Eurodollar Rate for Eurodollar Loans for any Interest Period, or for
Eurodollar Market Index Rate Loans, as applicable, that, by reason of any changes arising after the Effective Date affecting the interbank Eurodollar market, adequate and fair means do not exist for ascertaining the applicable interest rate on the
basis provided for in the definition of Eurodollar Rate; or 
  
 (ii) at any time, that such Lender shall incur increased costs or reductions in the amounts received or receivable hereunder in an amount that such Lender reasonably deems material with respect to any Eurodollar Loans
(other than any increased cost or reduction in the amount received or receivable resulting from the imposition of or a change in the rate of taxes or similar charges) because of (x) any change since the Effective Date in any applicable law,
governmental rule, regulation, guideline, order or request (whether or not having the force of law), or in the interpretation or administration thereof and including the introduction of any new law or governmental rule, regulation, guideline, order
or request (such as, for example, but not limited to, a change in official reserve requirements, but, in all events, excluding reserves includable in the Eurodollar Rate pursuant to the definition thereof) and/or (y) other circumstances
adversely affecting the interbank Eurodollar market or the position of such Lender in such market; or 
  

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 (iii) at any time, that the making or continuance of any Eurodollar Loan has become
unlawful by compliance by such Lender in good faith with any change since the Effective Date in any law, governmental rule, regulation, guideline or order, or the interpretation or application thereof, or would conflict with any thereof not having
the force of law but with which such Lender customarily complies or has become impracticable as a result of a contingency occurring after the Effective Date that materially adversely affects the interbank Eurodollar market; 
  
 then, and in any such event, such Lender (or the Administrative Agent in the
case of clause (i) above) shall (x) on or promptly following such date or time and (y) within 10 Business Days of the date on which such event no longer exists give notice (by telephone confirmed in writing) to the Borrower and to the
Administrative Agent of such determination (which notice the Administrative Agent shall promptly transmit to each of the other applicable Lenders). Thereafter (x) in the case of clause (i) above, Eurodollar Loans, or for Eurodollar Market
Index Rate Loans, as applicable, shall no longer be available until such time as the Administrative Agent notifies the Borrower and the applicable Lenders that the circumstances giving rise to such notice by the Administrative Agent no longer exist,
and any Notice of Borrowing or Notice of Conversion given by the Borrower with respect to Eurodollar Loans, or for Eurodollar Market Index Rate Loans, as applicable, that have not yet been incurred or Converted shall be deemed rescinded by the
Borrower or, in the case of a Notice of Borrowing, shall, at the option of the Borrower, be deemed Converted into a Notice of Borrowing for Prime Rate Loans to be made on the date of Borrowing contained in such Notice of Borrowing, (y) in the
case of clause (ii) above, the Borrower shall pay to such Lender, upon written demand therefor, such additional amounts (in the form of an increased rate of, or a different method of calculating, interest or otherwise as such Lender shall
determine) as shall be required to compensate such Lender, for such increased costs or reductions in amounts receivable hereunder (a written notice as to the additional amounts owed to such Lender, showing the basis for the calculation thereof,
which basis must be reasonable, submitted to the Borrower by such Lender shall, absent manifest error, be final and conclusive and binding upon all parties hereto) and (z) in the case of clause (iii) above, the Borrower shall take one of
the actions specified in section 2.10(b) as promptly as possible and, in any event, within the time period required by law. 
  
 (b) At any time that any Eurodollar Loan is affected by the circumstances described in section 2.10(a)(ii) or (iii), the Borrower may (and in the
case of a Eurodollar Loan affected pursuant to section 2.10(a)(iii) the Borrower shall) either (i) if the affected Eurodollar Loan is then being made pursuant to a Borrowing, by giving the Administrative Agent telephonic notice (confirmed
promptly in writing) thereof on the same date that the Borrower was notified by a Lender pursuant to section 2.10(a)(ii) or (iii), cancel said Borrowing, convert the related Notice of Borrowing into one requesting a Borrowing of Prime Rate Loans or
require the affected Lender to make its requested Loan as a Prime Rate Loan, or (ii) if the affected Eurodollar Loan is then outstanding, upon at least one Business Day’s notice to the Administrative Agent, require the affected Lender to
Convert each such Eurodollar Loan into a Prime Rate Loan, provided that if more than one Lender is affected at any time, then all affected Lenders must be treated the same pursuant to this section 2.10(b). 
  
 (c) If any Lender shall have determined that after the Effective Date,
the adoption of any applicable law, rule or regulation regarding capital adequacy, or any change therein, or any change in the interpretation or administration thereof by any governmental authority, central bank or comparable agency charged by law
with the interpretation or administration thereof, or compliance by such Lender or its parent corporation with any request or directive regarding capital adequacy (whether or not having the force of law) of any such authority, central bank, or
comparable agency, in each case made subsequent to the Effective Date, has or would have the effect of reducing by an amount reasonably deemed by such Lender to be material the rate of return on such Lender’s or its parent corporation’s
capital or assets as a 

  

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consequence of such Lender’s commitments or obligations hereunder to a level below that which such Lender or its parent corporation could have achieved
but for such adoption, effectiveness, change or compliance (taking into consideration such Lender’s or its parent corporation’s policies with respect to capital adequacy), then from time to time, within 15 days after demand by such Lender
(with a copy to the Administrative Agent), the Borrower shall pay to such Lender such additional amount or amounts as will compensate such Lender or its parent corporation for such reduction. Each Lender, upon determining in good faith that any
additional amounts will be payable pursuant to this section 2.10(c), will give prompt written notice thereof to the Borrower, which notice shall set forth, in reasonable detail, the basis of the calculation of such additional amounts, which basis
must be reasonable, although the failure to give any such notice shall not release or diminish any of the Borrower’s obligations to pay additional amounts pursuant to this section 2.10(c) upon the subsequent receipt of such notice. 

 
 (d) Notwithstanding anything in this Agreement to the contrary,
(i) no Lender shall be entitled to compensation or payment or reimbursement of other amounts under section 2.10 for any amounts incurred or accruing more than 270 days prior to the giving of notice to the Borrower of additional costs or other
amounts of the nature described in such section, and (ii) no Lender shall demand compensation for any reduction referred to in section 2.10(c) if it shall not at the time be the general policy or practice of such Lender to demand such
compensation, payment or reimbursement in similar circumstances under comparable provisions of other credit agreements. 
  
 
3.11. Breakage Compensation. The Borrower shall compensate each applicable Lender, upon its written request (which request shall set forth the detailed basis for requesting and the method of calculating such
compensation), for all reasonable losses, expenses and liabilities (including, without limitation, any loss, expense or liability incurred by reason of the liquidation or reemployment of deposits or other funds required by such Lender to fund its
Eurodollar Loans) that such Lender may sustain: (i) if for any reason (other than a default by such Lender or the Administrative Agent), a Borrowing of Eurodollar Loans does not occur on a date specified therefor in a Notice of Borrowing or
Notice of Conversion (whether or not rescinded or withdrawn by the Borrower or deemed rescinded or withdrawn pursuant to section 2.10(a)); (ii) if any repayment, prepayment, Conversion or Continuation of any of its Eurodollar Loans occurs on a
date that is not the last day of an Interest Period applicable thereto; (iii) if any prepayment of any of its Eurodollar Loans is not made on any date specified in a notice of prepayment given by the Borrower; (iv) if such Lender transfers
its Eurodollar Loans pursuant to a request by the Borrower under section 2.12(b) hereof; or (v) as a consequence of (x) any other default by the Borrower to repay its Eurodollar Loans when required by the terms of this Agreement or
(y) an election made pursuant to section 2.10(b). Such loss, cost, expense and liability to any Lender shall be deemed to include an amount determined by such Lender to be the excess, if any, of (i) the amount of interest that would have
accrued on the principal amount of such Loan had such event not occurred, at the interest rate that would have been applicable to such Loan, for the period from the date of such event to the last day of the then current Interest Period therefor (or,
in the case of a failure to effect a Borrowing, Conversion or Continuation, for the period that would have been the Interest Period for such Loan, over (ii) the amount of interest that would accrue on such principal amount for such period at
the interest rate that such Lender would bid were it to bid, at the commencement of such period, for dollar deposits of a comparable amount and period from other banks in the eurodollar market. A certificate of any Lender setting forth any amount or
amounts that such Lender is entitled to receive pursuant to this section shall be delivered to the Borrower and shall be conclusive absent manifest error. The Borrower shall pay such Lender the amount shown as due on any such request within 10 days
after receipt thereof. 
  
 
3.12. Change of Lending Office; Replacement of Lenders. (a) Each Lender agrees that, upon the occurrence of any event giving rise to the operation of section 2.10(a)(ii) or (iii) or 2.10(c), with respect
to such Lender, it will, if requested by the Borrower, use reasonable efforts (subject to overall policy considerations of such Lender) to designate another Applicable Lending Office for any Loans or 

  

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Commitment affected by such event, provided that such designation is made on such terms that such Lender and its Applicable Lending Office
suffer no economic, legal or regulatory disadvantage, with the object of avoiding the consequence of the event giving rise to the operation of any such section. 
  

(b) If any Lender requests any compensation, reimbursement or other payment under section 2.10(a)(ii) or (iii) or 2.10(c) with respect
to such Lender, or if any Lender is a Defaulting Lender, then the Borrower may, at its sole expense and effort, upon notice to such Lender and the Administrative Agent, require such Lender to assign and delegate, without recourse (in accordance with
the restrictions contained in section 13.4(c)), all its interests, rights and obligations under this Agreement to an assignee that shall assume such obligations (which assignee may be another Lender, if a Lender accepts such assignment);
provided that (i) the Borrower shall have received the prior written consent of the Administrative Agent, which consent shall not be unreasonably withheld, (ii) such Lender shall have received payment of an amount equal to
the outstanding principal of its Loans, accrued interest thereon, accrued fees and all other amounts payable to it hereunder, from the assignee (to the extent of such outstanding principal and accrued interest and fees) or the Borrower (in the case
of all other amounts, including any breakage compensation under section 2.11 hereof), and (iii) in the case of any such assignment resulting from a claim for compensation, reimbursement or other payments required to be made under section
2.10(a)(ii) or (iii) or 2.10(c) with respect to such Lender, such assignment will result in a reduction in such compensation, reimbursement or payments. A Lender shall not be required to make any such assignment and delegation if, prior
thereto, as a result of a waiver by such Lender or otherwise, the circumstances entitling the Borrower to require such assignment and delegation cease to apply. 
  

(c) Nothing in this section 2.12 shall affect or postpone any of the obligations of the Borrower or the right of any Lender provided in section
2.10. 
  
 
SECTION 4. LETTERS OF CREDIT. 
  
 
4.1. Letters of Credit. (a) Subject to and upon the terms and conditions herein set forth, the Borrower may request a Letter of Credit Issuer at any time and from time to time on or after the Closing Date and
prior to the date that is 15 Business Days prior to the Maturity Date to issue, for the account of the Borrower or any of its Subsidiaries and in support of workers’ compensation, liability insurance, releases of contract retention obligations,
contract performance guarantee requirements and other bonding and other obligations of the Borrower or any such Subsidiary incurred in the ordinary course of its business, and such other standby obligations of the Borrower and its Subsidiaries that
are acceptable to the Letter of Credit Issuer, and subject to and upon the terms and conditions herein set forth, such Letter of Credit Issuer agrees to issue from time to time, irrevocable standby letters of credit denominated and payable in
Dollars in such form as may be approved by such Letter of Credit Issuer and the Administrative Agent (each such letter of credit (and each Existing Letter of Credit described in section 3.1(d)), a “Letter of Credit” and
collectively, the “Letters of Credit”). 
  
 (b) Notwithstanding the foregoing: (i) no Letter of Credit shall be issued the Stated Amount of which, when added to the Letter of Credit Outstandings at such time, would exceed either (x) $30,000,000 (“Letter of
Credit Sublimit”), or (y) when added to the aggregate principal amount of all Loans then outstanding, an amount equal to the Total Commitment at such time; (ii) no individual Letter of Credit (other than any Existing Letter of
Credit) shall be issued that has an initial Stated Amount less than $10,000 unless such lesser Stated Amount is acceptable to the Letter of Credit Issuer; and (iii) each Letter of Credit shall have an expiry date (including any renewal periods)
occurring not later than the earlier of (A) one year from the date of issuance thereof, unless a longer period is approved by the relevant Letter of Credit Issuer and Lenders (other than any Defaulting Lender) holding a majority of the Total
Commitment, and (B) 15 Business Days prior to the Maturity Date, in each case on terms acceptable to the Administrative Agent and the relevant Letter of Credit Issuer, provided, however, that in the case of this
subclause (B), the expiry date (including any renewal periods) may be permitted to occur beyond the 

  

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Maturity Date so long as the Borrower shall pay to the applicable Letter of Credit Issuer an amount in cash and/or Cash Equivalents equal to 103% of the
Letter of Credit Outstandings and such Letter of Credit Issuer shall hold such payment as security for the reimbursement obligations of the Borrower in respect of the applicable Letter of Credit pursuant to a cash collateral agreement to be entered
into in form and substance reasonably satisfactory to such Letter of Credit Issuer and the Borrower (which shall permit certain investments in Cash Equivalents satisfactory to such Letter of Credit Issuer and the Borrower until the proceeds are
applied to the secured obligations). 
  
 (c)
Notwithstanding the foregoing, in the event a Lender Default exists, no Letter of Credit Issuer shall be required to issue any Letter of Credit unless either: (i) such Letter of Credit Issuer has entered into arrangements satisfactory to it
and the Borrower to eliminate such Letter of Credit Issuer’s risk with respect to the participation in Letters of Credit of the Defaulting Lender or Lenders, including by cash collateralizing such Defaulting Lender’s or Lenders’
Percentage of the Letter of Credit Outstandings; or (ii) the issuance of such Letter of Credit, taking into account the potential failure of the Defaulting Lender or Lenders to risk participate therein, will not cause the Letter of Credit
Issuer to incur aggregate credit exposure hereunder with respect to Loans and Letter of Credit Outstandings in excess of its Commitment, and the Borrower has undertaken, for the benefit of such Letter of Credit Issuer, pursuant to an instrument
satisfactory in form and substance to such Letter of Credit Issuer, not to thereafter incur Loans or Letter of Credit Outstandings hereunder that would cause the Letter of Credit Issuer to incur aggregate credit exposure hereunder with respect to
Loans and Letter of Credit Outstandings in excess of its Commitment. 
  
 (d) Annex VI hereto contains a description of all letters of credit outstanding on, and to continue in effect after, the Closing Date. Each such letter of credit issued by a bank that is or becomes a Lender under this Agreement
(each, an “Existing Letter of Credit”) shall constitute a “Letter of Credit” for all purposes of this Agreement, issued, for purposes of section 3.4(a), on the Closing Date, and the Borrower, the Administrative
Agent and the applicable Lenders hereby agree that, from and after such date, the terms of this Agreement shall apply to such Letters of Credit, superseding any other agreement theretofore applicable to them to the extent inconsistent with the terms
hereof. 
  
 
4.2. Letter of Credit Requests; Notices of Issuance. (a) Whenever it desires that a Letter of Credit be issued, the Borrower shall give the Administrative Agent and the Letter of Credit Issuer written or
telephonic notice (in the case of telephonic notice, promptly confirmed in writing if so requested by the Administrative Agent) that, if in the form of written notice shall be substantially in the form of Exhibit B-4, or transmit by electronic
communication (if arrangements for doing so have been approved by the Letter of Credit Issuer), prior to 11:00 A.M. (local time at its Notice Office) at least three Business Days (or such shorter period as may be acceptable to the relevant Letter of
Credit Issuer) prior to the proposed date of issuance (which shall be a Business Day) (each a “Letter of Credit Request”), which Letter of Credit Request shall include such supporting documents that such Letter of Credit
Issuer customarily requires in connection therewith (including, in the case of a Letter of Credit for an account party other than the Borrower, an application for, and if applicable a reimbursement agreement with respect to, such Letter of Credit).
Any such documents executed in connection with the issuance of a Letter of Credit, including the Letter of Credit itself, are herein referred to as “Letter of Credit Documents.” In the event of any inconsistency between any
of the terms or provisions of any Letter of Credit Document and the terms and provisions of this Agreement respecting Letters of Credit, the terms and provisions of this Agreement shall control. The Administrative Agent shall promptly notify each
Lender of each Letter of Credit Request. 
  
 (b) Each
Letter of Credit Issuer shall provide to the Administrative Agent and each other Lender (i) a monthly summary describing each Letter of Credit issued by such Letter of Credit Issuer and then outstanding and an identification for the relevant
period of the daily aggregate Letter of Credit Outstandings represented by Letters of Credit issued by such Letter of Credit Issuer and (ii) notice 

  

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immediately upon any increase or decrease in the face amount of any Letter of Credit or any termination or cancellation of any Letter of Credit. Each Letter
of Credit Issuer shall, if requested by the Administrative Agent or any other Lender, provide a copy of each Letter of Credit issued by it. 
  
 
4.3. Agreement to Repay Letter of Credit Drawings. (a) The Borrower hereby agrees to reimburse (or cause any Subsidiary for whose account a Letter of Credit was issued to reimburse) each Letter of Credit
Issuer, by making payment directly to such Letter of Credit Issuer in immediately available funds at the payment office of such Letter of Credit Issuer, for any payment or disbursement made by such Letter of Credit Issuer under any Letter of Credit
(each such amount so paid or disbursed until reimbursed, an “Unpaid Drawing”) not later than the Business Day immediately following the Business Day on which such Letter of Credit Issuer notifies the Borrower (or any such
Subsidiary for whose account such Letter of Credit was issued) of such payment or disbursement (which notice to the Borrower (or such Subsidiary) shall be delivered reasonably promptly after any such payment or disbursement), such payment to be made
in Dollars, with interest on the amount so paid or disbursed by such Letter of Credit Issuer, to the extent not reimbursed prior to 1:00 P.M. (local time at the payment office of the Letter of Credit Issuer) on the date of such payment or
disbursement, from and including the date paid or disbursed to but not including the date such Letter of Credit Issuer is reimbursed therefor at a rate per annum that shall be the rate then applicable to Loans that are Prime Rate Loans (plus an
additional 2% per annum if not reimbursed by the third Business Day after the date of such payment or disbursement), any such interest also to be payable on demand. If by 11:00 A.M. on the Business Day immediately following notice to it of its
obligation to make reimbursement in respect of an Unpaid Drawing, the Borrower has not made such reimbursement out of its available cash on hand or a contemporaneous Borrowing hereunder, (x) the Borrower will be deemed to have given a Notice of
Borrowing for Prime Rate Loans in an aggregate principal amount sufficient to reimburse such Unpaid Drawing (and the Administrative Agent shall promptly give notice to the Lenders of such deemed Notice of Borrowing), (y) the Lenders shall,
unless they are legally prohibited from doing so, make the Loans contemplated by such deemed Notice of Borrowing (which Loans shall be considered made under section 2.1 hereof), and (z) the proceeds of such Prime Rate Loans shall be
disbursed directly to the applicable Letter of Credit Issuer to the extent necessary to effect such reimbursement, with any excess proceeds to be made available to the Borrower in accordance with the applicable provisions of this Agreement.

  
 (b) The Borrower’s obligation under this section
3.3 to reimburse, or cause a Subsidiary to reimburse, each Letter of Credit Issuer with respect to Unpaid Drawings (including, in each case, interest thereon) shall be absolute and unconditional under any and all circumstances and irrespective of
any setoff, counterclaim or defense to payment that the Borrower may have or have had against such Letter of Credit Issuer, the Administrative Agent, any other Letter of Credit Issuer or any Lender, including, without limitation, any defense based
upon the failure of any drawing under a Letter of Credit to conform to the terms of the Letter of Credit or any non-application or misapplication by the beneficiary of the proceeds of such drawing, provided,
however that the Borrower shall not be obligated to reimburse, or cause a Subsidiary to reimburse, a Letter of Credit Issuer for any wrongful payment made by such Letter of Credit Issuer under a Letter of Credit as a result of acts
or omissions constituting willful misconduct or gross negligence on the part of such Letter of Credit Issuer. 
  
 
4.4. Letter of Credit Participations. (a) Immediately upon the issuance by a Letter of Credit Issuer of any Letter of Credit (and on the Closing Date with respect to any Existing Letter of Credit), such
Letter of Credit Issuer shall be deemed to have sold and transferred to each Lender with a General Revolving Commitment, and each such Lender (each a “Participant”) shall be deemed irrevocably and unconditionally to have
purchased and received from such Letter of Credit Issuer, without recourse or warranty, an undivided interest and participation, to the extent of such Lender’s Percentage, in such Letter of Credit, each substitute letter of credit, each drawing
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Borrower under this Agreement with respect thereto (although Letter of Credit Fees shall be payable directly to the Administrative Agent for the account of
the Lenders as provided in section 4.2 and the Participants shall have no right to receive any portion of any fees of the nature contemplated by section 4.3), the obligations of any Subsidiary of the Borrower under any Letter of Credit Documents
pertaining thereto, and any security for, or guaranty pertaining to, any of the foregoing. Upon any change in the General Revolving Commitments of the Lenders pursuant to section 13.4(b), it is hereby agreed that, with respect to all outstanding
Letters of Credit and Unpaid Drawings, there shall be an automatic adjustment to the participations pursuant to this section 3.4 to reflect the new Percentages of the assigning and assignee Lender. 
  
 (b) In determining whether to pay under any Letter of Credit, a Letter
of Credit Issuer shall not have any obligation relative to the Participants other than to determine that any documents required to be delivered under such Letter of Credit have been delivered and that they appear to comply on their face with the
requirements of such Letter of Credit. Any action taken or omitted to be taken by a Letter of Credit Issuer under or in connection with any Letter of Credit if taken or omitted in the absence of gross negligence or willful misconduct, shall not
create for such Letter of Credit Issuer any resulting liability. 
  
 (c) In the event that a Letter of Credit Issuer makes any payment under any Letter of Credit and the Borrower shall not have reimbursed (or caused any applicable Subsidiary to reimburse) such amount in full to such Letter of Credit
Issuer pursuant to section 3.3(a), such Letter of Credit Issuer shall promptly notify the Administrative Agent, and the Administrative Agent shall promptly notify each Participant of such failure, and each Participant shall promptly and
unconditionally pay to the Administrative Agent for the account of such Letter of Credit Issuer, the amount of such Participant’s Percentage of such payment in U.S. dollars and in same day funds, provided,
however, that no Participant shall be obligated to pay to the Administrative Agent its Percentage of such unreimbursed amount for any wrongful payment made by such Letter of Credit Issuer under a Letter of Credit as a result of
acts or omissions constituting willful misconduct or gross negligence on the part of such Letter of Credit Issuer. If the Administrative Agent so notifies any Participant required to fund a payment under a Letter of Credit prior to 11:00 A.M.
(local time at its Notice Office) on any Business Day, such Participant shall make available to the Administrative Agent for the account of the relevant Letter of Credit Issuer such Participant’s Percentage of the amount of such payment on such
Business Day in same day funds. If and to the extent such Participant shall not have so made its Percentage of the amount of such payment available to the Administrative Agent for the account of the relevant Letter of Credit Issuer, such Participant
agrees to pay to the Administrative Agent for the account of such Letter of Credit Issuer, forthwith on demand such amount, together with interest thereon, for each day from such date until the date such amount is paid to the Administrative Agent
for the account of such Letter of Credit Issuer at the Federal Funds Effective Rate. The failure of any Participant to make available to the Administrative Agent for the account of the relevant Letter of Credit Issuer its Percentage of any payment
under any Letter of Credit shall not relieve any other Participant of its obligation hereunder to make available to the Administrative Agent for the account of such Letter of Credit Issuer its Percentage of any payment under any Letter of Credit on
the date required, as specified above, but no Participant shall be responsible for the failure of any other Participant to make available to the Administrative Agent for the account of such Letter of Credit Issuer such other Participant’s
Percentage of any such payment. 
  
 (d) Whenever a Letter
of Credit Issuer receives a payment of a reimbursement obligation as to which the Administrative Agent has received for the account of such Letter of Credit Issuer any payments from the Participants pursuant to section 3.4(c) above, such Letter of
Credit Issuer shall pay to the Administrative Agent and the Administrative Agent shall promptly pay to each Participant that has paid its Percentage thereof, in U.S. dollars and in same day funds, an amount equal to such Participant’s
Percentage of the principal amount thereof and interest thereon accruing after the purchase of the respective participations, as and to the extent so received. 
  

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 (e) The obligations of the Participants to make payments to the Administrative Agent for the
account of each Letter of Credit Issuer with respect to Letters of Credit shall be irrevocable and not subject to counterclaim, set-off or other defense or any other qualification or exception whatsoever and shall be made in accordance with the
terms and conditions of this Agreement under all circumstances, including, without limitation, any of the following circumstances: 
  
 (i) any lack of validity or enforceability of this Agreement or any of the other Credit Documents; 
  
 (ii) the existence of any claim, set-off defense or other
right that the Borrower (or any Subsidiary) may have at any time against a beneficiary named in a Letter of Credit, any transferee of any Letter of Credit (or any person for whom any such transferee may be acting), the Administrative Agent, any
Letter of Credit Issuer, any Lender, or other person, whether in connection with this Agreement, any Letter of Credit, the transactions contemplated herein or any unrelated transactions (including any underlying transaction between the Borrower (or
any Subsidiary) and the beneficiary named in any such Letter of Credit), other than any claim that the Borrower (or any Subsidiary that is the account party with respect to a Letter of Credit) may have against any applicable Letter of Credit Issuer
for gross negligence or willful misconduct of such Letter of Credit Issuer in making payment under any applicable Letter of Credit; 
  
 (iii) any draft, certificate or other document presented under the Letter of Credit proving to be forged, fraudulent, invalid or
insufficient in any respect or any statement therein being untrue or inaccurate in any respect; 
  
 (iv) the surrender or impairment of any security for the performance or observance of any of the terms of any of the Credit Documents: or

  
 (v) the occurrence of any Default or Event of
Default. 
  
 (f) To the extent the Letter of Credit Issuer
is not indemnified by the Borrower, the Participants will reimburse and indemnify the Letter of Credit Issuer, in proportion to their respective Percentages, for and against any and all liabilities, obligations, losses, damages, penalties, claims,
actions, judgments, costs, expenses or disbursements of whatsoever kind or nature that may be imposed on, asserted against or incurred by the Letter of Credit Issuer in performing its respective duties in any way related to or arising out of its
issuance of Letters of Credit, provided that no Participants shall be liable for any portion of such liabilities, obligations, losses, damages, penalties, claims, actions, judgments, costs, expenses or disbursements resulting from the
Letter of Credit Issuer’s gross negligence or willful misconduct. 
  
 
4.5. Increased Costs. If after the Effective Date, the adoption of any applicable law, rule or regulation, or any change therein, or any change in the interpretation or administration thereof by any governmental
authority, central bank or comparable agency charged with the interpretation or administration thereof, or compliance by any Letter of Credit Issuer or any Lender with any request or directive (whether or not having the force of law) by any such
authority, central bank or comparable agency (in each case made subsequent to the Effective Date) shall either: (i) impose, modify or make applicable any reserve, deposit, capital adequacy or similar requirement against Letters of Credit issued
by such Letter of Credit Issuer or such Lender’s participation therein; or (ii) shall impose on such Letter of Credit Issuer or any Lender any other conditions affecting this Agreement, any Letter of Credit or such Lender’s
participation therein; and the result of any of the foregoing is to increase the cost to such Letter of Credit Issuer or such Lender of issuing, maintaining or participating in any Letter of Credit, or to reduce the amount of any sum received or
receivable by such Letter of Credit Issuer or such Lender hereunder (other than any increased cost or reduction in the amount received or receivable resulting from the imposition of or a change in the rate of taxes or similar charges), then, upon
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by such Letter of Credit Issuer or such Lender (a copy of which notice shall be sent by such Letter of Credit Issuer or such Lender to the Administrative
Agent), the Borrower shall pay to such Letter of Credit Issuer or such Lender such additional amount or amounts as will compensate any such Letter of Credit Issuer or such Lender for such increased cost or reduction. A certificate submitted to the
Borrower by any Letter of Credit Issuer or any Lender, as the case may be (a copy of which certificate shall be sent by such Letter of Credit Issuer or such Lender to the Administrative Agent), setting forth, in reasonable detail, the basis for the
determination of such additional amount or amounts necessary to compensate any Letter of Credit Issuer or such Lender as aforesaid shall be conclusive and binding on the Borrower absent manifest error, although the failure to deliver any such
certificate shall not release or diminish any of the Borrower’s obligations to pay additional amounts pursuant to this section 3.5. Reference is hereby made to the provisions of sections 2.10(d) and 2.12 for certain limitations upon the rights
of a Letter of Credit Issuer or Lender under this section. 
  
 
4.6. Guaranty of Subsidiary Letter of Credit Obligations. (a) The Borrower hereby unconditionally guarantees, for the benefit of the Administrative Agent and the Lenders, the full and punctual payment of the
Obligations of each Subsidiary under each Letter of Credit Document to which such Subsidiary is now or hereafter becomes a party. Upon failure by any such Subsidiary to pay punctually any such amount, the Borrower shall forthwith on demand by the
Administrative Agent pay the amount not so paid at the place and in the currency and otherwise in the manner specified in this Agreement or any applicable Letter of Credit Document. 
  
 (b) As a separate, additional and continuing obligation, the Borrower unconditionally and irrevocably undertakes and
agrees, for the benefit of the Administrative Agent and the Lenders, that, should any amounts not be recoverable from the Borrower under section 3.6(a) for any reason whatsoever (including, without limitation, by reason of any provision of any
Credit Document or any other agreement or instrument executed in connection therewith being or becoming void, unenforceable, or otherwise invalid under any applicable law) then, notwithstanding any notice or knowledge thereof by any Lender, the
Administrative Agent, any of their respective Affiliates, or any other person, at any time, the Borrower as sole, original and independent obligor, upon demand by the Administrative Agent, will make payment to the Administrative Agent, for the
account of the Lenders and the Administrative Agent, of all such obligations not so recoverable by way of full indemnity, in such currency and otherwise in such manner as is provided in the Credit Documents. 
  
 (c) The obligations of the Borrower under this section shall be
unconditional and absolute and, without limiting the generality of the foregoing shall not be released, discharged or otherwise affected by the occurrence, one or more times, of any of the following: 
  
 (i) any extension, renewal, settlement, compromise, waiver
or release in respect to any obligation of any Subsidiary under any Letter of Credit Document, by operation of law or otherwise; 
  
 (ii) any modification or amendment of or supplement to this Agreement, any Note or any other Credit Document; 
  
 (iii) any release, non-perfection or invalidity of any
direct or indirect security for any obligation of the Borrower under this Agreement, any Note or any other Credit Document or of any Subsidiary under any Letter of Credit Document; 
  
 (iv) any change in the corporate existence, structure or ownership of any Subsidiary or any insolvency,
bankruptcy, reorganization or other similar proceeding affecting any Subsidiary or its assets or any resulting release or discharge of any obligation of any Subsidiary contained in any Letter of Credit Document; 
  

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 (v) the existence of any claim, set-off or other rights that the Borrower may have at any
time against any Subsidiary, the Administrative Agent, any Lender or any other person, whether in connection herewith or any unrelated transactions; 
  
 (vi) any invalidity or unenforceability relating to or against any Subsidiary for any reason of any Letter of Credit Document, or any
provision of applicable law or regulation purporting to prohibit the payment by any Subsidiary of any Obligations in respect of any Letter of Credit; or 
  
 (vii) any other act or omission to act or delay of any kind by any Subsidiary, the Administrative Agent, any Lender or any other person or
any other circumstance whatsoever that might, but for the provisions of this section, constitute a legal or equitable discharge of the Borrower’s obligations under this section. 
  
 (d) The Borrower’s obligations under this section shall remain in full force and effect until the Commitments
shall have terminated and the principal of and interest on the Notes and all other amounts payable by the Borrower under the Credit Documents and by any Subsidiary under the Letter of Credit Documents shall have been paid in full. If at any time any
payment of any of the Obligations of any Subsidiary in respect of any Letter of Credit Document is rescinded or must be otherwise restored or returned upon the insolvency, bankruptcy or reorganization of such Subsidiary, the Borrower’s
obligations under this section with respect to such payment shall be reinstated at such time as though such payment had been due but not made at such time. 
  
 (e) The Borrower irrevocably waives acceptance hereof, presentment, demand, protest and any notice not provided for herein, as well as any
requirement that at any time any action be taken by any person against any Subsidiary or any other person, or against any collateral or guaranty of any other person. 
  
 (f) The Borrower hereby subordinates all rights, whether arising by operation of law or otherwise, that it may have
upon making any payment under this section to be subrogated to the rights of the payee against any Subsidiary with respect to such payment or otherwise to be reimbursed, indemnified or exonerated by any Subsidiary in respect thereof, to the
indefeasible payment in full of all of the Obligations. 
  
 (g)
In the event that acceleration of the time for payment of any amount payable by any Subsidiary under any Letter of Credit Document is stayed upon insolvency, bankruptcy or reorganization of such Subsidiary, all such amounts otherwise subject to
acceleration under the terms of any applicable Letter of Credit Document shall nonetheless be payable by the Borrower under this section forthwith on demand by the Administrative Agent. 
  
 
SECTION 5. FEES. 
  
 
5.1. Commitment Fee. (a) The Borrower agrees to pay to the Administrative Agent a Commitment Fee (“Commitment Fee”), for the account of each Non-Defaulting Lender that has a General
Revolving Commitment, for the period from and including the Effective Date to but not including the date the Total General Revolving Commitment has been terminated, which Commitment Fee, in the case of any such Non-Defaulting Lender, shall be
computed for each day at a rate per annum equal to the Applicable Commitment Fee for such day on the amount of such Lender’s General Revolving Facility Percentage of the Unused Total General Revolving Commitment for such day. The Commitment Fee
shall be due and payable in arrears on a nonrefundable basis, on the last Business Day of each March, June, September and December and on the Maturity Date, for the preceding quarter (or shorter period, if applicable), based on a year of 360 days
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 (b) As used herein, the term “Applicable Commitment Fee Rate” means the
particular rate per annum determined by the Administrative Agent in accordance with the Pricing Grid Table that appears in section 2.8(h) hereof, based on the Borrower’s ratio of Consolidated Total Debt to Consolidated EBITDA, and the following
provisions: 
  
 (i) Initially, until changed
hereunder in accordance with the following provisions, the Applicable Commitment Fee Rate will be 50 basis points per annum. 
  
 (ii) Commencing with the fiscal quarter of the Borrower ended on or nearest to December 31, 2005, and continuing for each fiscal
quarter thereafter, the Administrative Agent will determine the Applicable Commitment Fee Rate in accordance with the Pricing Grid Table, based on the Borrower’s ratio of (x) Consolidated Total Debt as of the end of the fiscal quarter, to
(y) Consolidated EBITDA for the Testing Period ended on the last day of the fiscal quarter, and identified in such Pricing Grid Table. Changes in the Applicable Commitment Fee Rate shall be made and effective as of the same date as is provided
in section 2.8(h) in the case of the determination or re-determination of the Applicable Prime Rate Margin or Applicable Eurodollar Rate Margin. 
  
 (iii) Notwithstanding the above provisions, during any period when (A) the Borrower has failed to timely deliver its consolidated
financial statements referred to in section 9.1(a) or (b), accompanied by the certificate and calculations referred to in section 9.1(c), or (B) an Event of Default has occurred and is continuing, the Applicable Commitment Fee Rate shall be the
highest rate per annum indicated therefor in the Pricing Grid Table, regardless of the Borrower’s ratio of Consolidated Total Debt to Consolidated EBITDA at such time. 
  
 (iv) Any changes in the Applicable Commitment Fee Rate shall be determined by the Administrative Agent in
accordance with the above provisions and the Administrative Agent will promptly provide notice of such determinations to the Borrower and the Lenders. Any such determination by the Administrative Agent pursuant to this section 4.1(b) shall be
conclusive and binding absent manifest error. 
  
 
5.2. Letter of Credit Fees. The Borrower agrees to pay to the Administrative Agent, for the account of each Non-Defaulting Lender, pro rata on the basis of its General Revolving Facility Percentage, a fee
in respect of each Letter of Credit (the “Letter of Credit Fee”), payable quarterly in arrears on the last Business Day of each March, June, September and December and on the Maturity Date, computed at the rate per annum
equal to the Applicable Eurodollar Rate Margin then in effect on the Stated Amount thereof for the period from the date of issuance (or any increase in the amount, or renewal or extension) to the expiration date thereof (including any extensions of
such expiration date that may be made at the election of the beneficiary thereof). Notwithstanding the above provisions, if an Event of Default is in existence, the Borrower will pay to the Administrative Agent, on demand, for the account of each
Non-Defaulting Lender, pro rata on the basis of its General Revolving Facility Percentage, an additional Letter of Credit Fee, computed at 2% per annum on the Stated Amount of each Letter of Credit for the period such Default or
Event of Default is in existence. 
  
 
5.3. Facing Fees. The Borrower agrees to pay directly to each Letter of Credit Issuer, for its own account, a fee in respect of each Letter of Credit issued by it (a “Facing Fee”), payable
quarterly in arrears on the last Business Day of each March, June, September and December and on the Maturity Date, computed at a rate of 1/8 of 1% per annum on the Stated Amount thereof for the period from the date of issuance (or increase,
renewal or extension) to the expiration date thereof (including any extensions of such expiration date that may be made at the election of the beneficiary thereof. 
  

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5.4. Letter of Credit Administrative Fees. The Borrower agrees to pay directly to each Letter of Credit Issuer upon each issuance of, drawing under, and/or amendment, extension, renewal or transfer of, a Letter of Credit
issued by it such amount as shall at the time of such issuance, drawing, amendment, extension, renewal or transfer be the administrative or processing charge that such Letter of Credit Issuer customarily charges for issuances, drawings under or
amendments, extensions, renewals or transfers of, letters of credit issued by it. 
  
 
5.5. Other Fees. The Borrower shall pay to the Administrative Agent on the Effective Date and thereafter for its own account and/or for distribution to the Lenders such fees as heretofore agreed by the Borrower and the
Administrative Agent. In addition, the Borrower shall pay to the Administrative Agent arrangement fees as may be agreed upon in connection with any Commitment Increase. 
  
 
5.6. Computations of Fees. All computations of Fees under this Agreement shall be made in accordance with section 13.7(b). 
  
 
SECTION 6. REDUCTIONS AND TERMINATION OF COMMITMENTS. 
  
 
6.1. Voluntary Termination/Reduction of Commitments. Upon at least three Business Days’ prior written notice (or telephonic notice confirmed in writing) to the Administrative Agent at its Notice Office (which notice
the Administrative Agent shall promptly transmit to each of the Lenders), the Borrower shall have the right, without premium or penalty, to: 
  
 (a) terminate the Total Commitment, provided that all outstanding Loans are contemporaneously prepaid in accordance with section 6.1
and either no Letters of Credit remain outstanding or the Borrower shall contemporaneously either cause all outstanding letters of credit to be surrendered for cancellation or the Borrower shall pay to the Collateral Agent an amount in cash equal to
103% of the Letter of Credit Outstandings and the Collateral Agent shall hold such payment as security for the reimbursement obligations of the Borrower or the other Letter of Credit obligors in respect of Letters of Credit in a cash collateral
account pursuant to an agreement to be entered into between the Borrower and the Collateral Agent; 
  
 (b) terminate the Swing Line Revolving Commitment, provided that all outstanding Swing Line Revolving Loans are contemporaneously
prepaid in accordance with section 6.1; 
  
 (c) partially
and permanently reduce the Unused Total General Revolving Commitment, provided that: (i) any such reduction shall apply to proportionately and permanently reduce the General Revolving Commitment of each of the Lenders;
(ii) any partial reduction of the Unused Total General Revolving Commitment pursuant to this section 5.1(c) shall be in the amount of at least $5,000,000 (or, if greater, in integral multiples of $1,000,000); and (iii) after giving effect
to any such partial reduction of the Unused Total General Revolving Commitment, the Total General Revolving Commitment then in effect shall exceed the Swing Line Revolving Commitment then in effect by at least $20,000,000; and/or 
  
 (d) partially and permanently reduce the Unused Swing Line Revolving
Commitment, provided that any partial reduction of the Unused Swing Line Revolving Commitment pursuant to this section 5.1(d) shall be in the amount of at least $1,000,000 (or, if greater, in integral multiples of $1,000,000).

  
 
6.2. Mandatory Termination/Adjustments of Commitments, etc. (a) [Reserved.] 
  
 (b) The Total Commitment shall terminate (and the Commitment of each Lender shall terminate) on the earlier of (x) the Maturity Date and
(y) the date on which a Change of Control occurs. 
  

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 (c) The Total General Revolving Commitment shall be permanently reduced, without premium or
penalty, at the time that any mandatory prepayment of General Revolving Loans would be made pursuant to section 6.2(f), (g), (h) and (i) if General Revolving Loans were then outstanding in the full amount of the Total General Revolving
Commitment then in effect, in an amount equal to the required prepayment of principal of General Revolving Loans that would be required to be made in such circumstance. Any such reduction shall apply to proportionately and permanently reduce the
General Revolving Commitment of each of the Lenders. The Borrower will provide at least three Business Days’ prior written notice (or telephonic notice confirmed in writing) to the Administrative Agent at its Notice Office (which notice the
Administrative Agent shall promptly transmit to each of the Lenders), of any reduction of the Total General Revolving Commitment pursuant to this section 5.2(c), specifying the date and amount of the reduction. 
  
 
SECTION 7. PAYMENTS. 
  
 
7.1. Voluntary Prepayments. The Borrower shall have the right to prepay any of its Loans, in whole or in part, without premium or penalty, from time to time on the following terms and conditions: 
  
 (a) the Borrower shall give the Administrative Agent at the Notice
Office written or telephonic notice (in the case of telephonic notice, promptly confirmed in writing if so requested by the Administrative Agent) of its intent to prepay the Loans, the amount of such prepayment and (in the case of Eurodollar Loans)
the specific Borrowing(s) pursuant to which made, which notice shall be received by the Administrative Agent by: 
  
 (x) 11:00 A.M. (local time at the Notice Office) three Business Days prior to the date of such prepayment, in the case of any prepayment
of Eurodollar Loans; or 
  
 (y) 11:00 A.M. (local
time at the Notice Office) one Business day prior to the date of such prepayment, in the case of any prepayment of Prime Rate Loans; 
  
 and which notice shall promptly be transmitted by the Administrative Agent to each of the affected Lenders; 
  
 (b) in the case of prepayment of any Borrowings under the General
Revolving Facility, each partial prepayment of any such Borrowing shall be in an aggregate principal of at least $1,000,000 or an integral multiple of $500,000 in excess thereof, in the case of Prime Rate Loans, and at least $2,000,000 or an
integral multiple of $1,000,000 in excess thereof, in the case of Eurodollar Loans; 
  
 (c) in the case of prepayment of any Borrowing under the Term Facility, (i) such prepayment shall be applied to reduce the Scheduled Repayments in inverse order of the maturities thereof; and
(ii) each partial prepayment of any such Borrowing shall be in an aggregate principal of at least $100,000 or an integral multiple of $100,000 in excess thereof; 
  
 (d) in the case of prepayment of any Borrowings under the Swing Line Revolving Facility, each partial prepayment of
any such Borrowing shall be in an aggregate principal of at least $500,000 or an integral multiple of $250,000 in excess thereof; 
  
 (e) no partial prepayment of any Loans made pursuant to a Borrowing shall reduce the aggregate principal amount of such Loans outstanding pursuant
to such Borrowing to an amount less than the Minimum Borrowing Amount applicable thereto; 
  
 (f) each prepayment in respect of any Loans made pursuant to a Borrowing shall be applied pro rata among such Loans; and 
  

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 (g) each prepayment of Eurodollar Loans pursuant to this section 6.1 on any date other than the
last day of the Interest Period applicable thereto shall be accompanied by any amounts payable in respect thereof under section 2.11. 
  
 
7.2. Scheduled Payments and Mandatory Prepayments. The Loans shall be subject to mandatory repayment or prepayment in accordance with the following provisions: 
  
 (a) Scheduled Repayments of Term Loans. (i) On the day that is
the first Business Day in each of July 2006, October 2006, January 2007, April 2007, July 2007, October 2007 and January 2008, the Borrower shall be required to, and shall, repay the principal amount of its Term Loan in an
amount equal to 1/20th of the principal balance of the Term Loan as of June 30, 2006 and shall repay the entire
remaining principal amount of the outstanding Term Loan on the Term Maturity Date (each such repayment, as the same may be reduced by reason of the application of prepayments pursuant to section 6.1(c) or sections 6.2(f), (g), (h), (i) or (j),
a “Scheduled Repayment”). 
  
 (ii) The Borrower shall repay the entire principal amount outstanding of any General Revolving Loans on the Maturity Date. 
  
 (b) If Outstanding General Revolving Loans, Letter of Credit Outstandings and Swing Line Revolving Loans Exceed Total General Revolving Commitment.
If on any date (after giving effect to any other payments on such date) the sum of (i) the aggregate outstanding principal amount of General Revolving Loans, plus (ii) the aggregate amount of Letter of Credit Outstandings,
plus (iii) the aggregate outstanding principal amount of Swing Line Revolving Loans, exceeds the Total General Revolving Commitment as then in effect, the Borrower shall prepay on such date that principal amount of Swing Line
Revolving Loans and, after Swing Line Revolving Loans have been paid in full, Unpaid Drawings and, after Unpaid Drawings have been paid in full, General Revolving Loans, in an aggregate amount at least equal to such excess and conforming in the case
of partial prepayments of any Loans to the applicable requirements as to the amounts of partial prepayments that are contained in section 6.1. 
  
 (c) If Outstanding Swing Line Revolving Loans Exceed Unused Total General Revolving Commitment. If on any date (after giving effect to any other
payments on such date) the aggregate outstanding principal amount of Swing Line Revolving Loans exceeds the Unused Total General Revolving Commitment at such time, the Borrower shall prepay on such date Swing Line Revolving Loans in an aggregate
amount at least equal to such excess and conforming in the case of partial prepayments of Swing Line Revolving Loans to the requirements as to the amounts of partial prepayments of Swing Line Revolving Loans that are contained in section 6.1.

  
 (d) If Outstanding Swing Line Revolving Loans Exceed Swing
Line Revolving Commitment. If on any date (after giving effect to any other payments on such date) the aggregate outstanding principal amount of Swing Line Revolving Loans exceeds the Swing Line Revolving Commitment at such time, the Borrower
shall prepay on such date Swing Line Revolving Loans in an aggregate amount at least equal to such excess and conforming in the case of partial prepayments of Swing Line Revolving Loans to the requirements as to the amounts of partial prepayments of
Swing Line Revolving Loans that are contained in section 6.1. 
  
 (e) [Reserved.] 
  
 (f) Certain Proceeds of
Asset Sales. If during any fiscal year of the Borrower, the Borrower and its Subsidiaries have received cumulative Net Cash Proceeds during such fiscal year from one or more Asset Sales in an aggregate amount at least equal to $1,000,000, or if
the Borrower or any of its Subsidiaries receives any Net Cash Proceeds from Asset Sales relating to the Bodenfelde Facility or the Solvent Recovery Business, then not later than the third Business Day following the date of receipt of any 

  

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Net Cash Proceeds in excess of such amount, an amount, at least equal to 100% of the Net Cash Proceeds then received in excess of such amount from any Asset
Sale, shall be applied as a mandatory prepayment of principal of first, the outstanding Term Loans, with the amount of such payment being applied to the Scheduled Repayments in inverse order of maturity, second, after no
Term Loans are outstanding, the Swing Line Revolving Loans and, third, after Swing Line Revolving Loans have been paid in full, Unpaid Drawings and, fourth, after Unpaid Drawings have been paid in full, General Revolving
Loans provided, that (i) if no Default under section 11.1(a) or Event of Default shall have occurred and be continuing, (ii) the Borrower and its Subsidiaries have scheduled Consolidated Capital Expenditures during the
following 12 months, and (iii) the Borrower notifies the Administrative Agent of the amount and nature thereof and of its intention to reinvest all or a portion of such Net Cash Proceeds in such Consolidated Capital Expenditures during such 12
month period, then no such prepayment shall be required to the extent the Borrower so indicates that such reinvestment will take place. If at the end of any such 12 month period any portion of such Net Cash Proceeds has not been so reinvested, the
Borrower will immediately make a prepayment of the outstanding Swing Line Revolving Loans and General Revolving Loans as provided above in an amount at least equal to such remaining amount. Notwithstanding any of the provisions of this
section 6.2(f), 100% of the Net Cash Proceeds from the sale of the Solvent Recovery Business and the Bodenfelde Facility (and not just the amount of excess of $1,000,000) will be applied to the Term Loans and may not be reinvested in
Consolidated Capital Expenditures. 
  
 (g) Proceeds of Debt
Incurrence. Concurrently with the receipt by the Borrower or any Subsidiary of any Net Debt Proceeds, the Borrower shall deliver to the Administrative Agent a calculation of the amount of such Net Debt Proceeds and make a mandatory prepayment at
least equal to 100% of the Net Debt Proceeds to be applied as a mandatory prepayment of principal of first, the outstanding Term Loans, with the amount of such payment being applied to the Scheduled Repayments in inverse order of
maturity, second, after no Term Loans are outstanding, the Swing Line Revolving Loans and, third, after Swing Line Revolving Loans have been paid in full, Unpaid Drawings and, fourth, after Unpaid Drawings
have been paid in full, General Revolving Loans. 
  
 (h) Event
of Loss. If during any fiscal year of the Borrower, the Borrower and its Subsidiaries have received cumulative Net Cash Proceeds during such fiscal year from one or more Events of Loss of at least $5,000,000, not later than the fifth Business
Day following the date of receipt of any Net Cash Proceeds in excess of such amount, an amount, conforming to the requirements as to the amount of partial prepayments contained in section 6.1, at least equal to 100% of the Net Cash Proceeds then
received in excess of such amount from any Event of Loss, shall be applied as a mandatory prepayment of principal of first, the outstanding Term Loans, with the amount of such payment being applied to the Scheduled Repayments in
inverse order of maturity, second, after no Term Loans are outstanding, the Swing Line Revolving Loans and, third, after Swing Line Revolving Loans have been paid in full, Unpaid Drawings and, fourth, after
Unpaid Drawings have been paid in full, General Revolving Loans. 
  
 (i) Material Recovery Event. Concurrently with the receipt by the Borrower or any Subsidiary of Net Cash Proceeds in respect of any Material Recovery Event, the Borrower shall deliver to the Administrative Agent a calculation of the
amount of any such Net Cash Proceeds and make a mandatory prepayment at least equal to 100% of such Net Cash Proceeds to be applied as a mandatory prepayment of principal of first, the outstanding Term Loans, with the amount of such
payment being applied to the Scheduled Repayments in inverse order of maturity, second, after no Term Loans are outstanding, the Swing Line Revolving Loans and, third, after Swing Line Revolving Loans have been paid in
full, Unpaid Drawings and, fourth, after Unpaid Drawings have been paid in full, General Revolving Loans. 
  
 (j) Change of Control. On the date of which a Change of Control occurs, notwithstanding anything to the contrary contained in this Agreement, no
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and shall be prepaid in full, together with accrued interest and Fees and the Borrower shall contemporaneously either (i) cause all outstanding Letters
of Credit to be surrendered for cancellation (any such Letters of Credit to be replaced by letters of credit issued by other financial institutions acceptable to the Required General Revolving Lenders), or (ii) the Borrower shall pay to the
Administrative Agent an amount in cash and/or Cash Equivalents equal to 103% of the Letter of Credit Outstandings and the Administrative Agent shall hold such payment as security for the reimbursement obligations of the Borrower in respect of
Letters of Credit pursuant to a cash collateral agreement to be entered into in form and substance reasonably satisfactory to the Administrative Agent, each Letter of Credit Issuer and the Borrower (which shall permit certain investments in Cash
Equivalents satisfactory to the Administrative Agent, each Letter of Credit Issuer and the Borrower until the proceeds are applied to the secured obligations). 
  

(k) Particular Loans to be Prepaid. With respect to each repayment or prepayment of Loans required by this section 6.2, the Borrower shall
designate the Types of Loans that are to be prepaid and the specific Borrowing(s) pursuant to which such repayment or prepayment is to be made, provided that: (i) the Borrower shall first so designate all Loans that are Prime Rate
Loans and Eurodollar Loans with Interest Periods ending on the date of repayment or prepayment prior to designating any other Eurodollar Loans for repayment or prepayment; (ii) if the outstanding principal amount of Eurodollar Loans made
pursuant to a Borrowing is reduced below the applicable Minimum Borrowing Amount as a result of any such repayment or prepayment, then all the Loans outstanding pursuant to such Borrowing shall be Converted into Prime Rate Loans; and (iii) each
repayment and prepayment of any Loans made pursuant to a Borrowing shall be applied pro rata among such Loans. In the absence of a designation by the Borrower as described in the preceding sentence, the Administrative Agent shall,
subject to the above, make such designation in its sole discretion with a view, but no obligation, to minimize breakage costs owing under section 2.11. Any repayment or prepayment of Eurodollar Loans pursuant to this section 6.2 shall in all
events be accompanied by such compensation as is required by section 2.11. 
  
 
7.3. Method and Place of Payment. (a) Except as otherwise specifically provided herein, all payments under this Agreement shall be made to the Administrative Agent for the ratable (based on its pro
rata share) account of the Lenders entitled thereto, not later than 11:00 A.M. (local time at the Payment Office) on the date when due and shall be made in immediately available funds and in lawful money of the United States of America, at
the Payment Office, it being understood that written notice by the Borrower to the Administrative Agent to make a payment from the funds in the Borrower’s account at the Payment Office shall constitute the making of such payment to the extent
of such funds held in such account. Any payments under this Agreement that are made later than 11:00 A.M. (local time at the Payment Office) shall be deemed to have been made on the next succeeding Business Day. Whenever any payment to be made
hereunder shall be stated to be due on a day that is not a Business Day, the due date thereof shall be extended to the next succeeding Business Day and, with respect to payments of principal, interest shall be payable during such extension at the
applicable rate in effect immediately prior to such extension. 
  
 (b) If at any time insufficient funds are received by and available to the Administrative Agent to pay fully all amounts of principal, interest and Fees then due hereunder and an Event of Default is not then in existence, such funds
shall be applied: (i) first, towards payment of interest and Fees then due hereunder, ratably among the parties entitled thereto in accordance with the amounts of interest and Fees then due to such parties; and
(ii) second, towards payment of principal then due hereunder, ratably among the parties entitled thereto in accordance with the amounts of principal then due to such parties. 
  
 
7.4. Net Payments. (a) All payments made by the Borrower hereunder or under any Note will be made without setoff, counterclaim or other defense. Except as provided for in section 6.4(b), all such payments will be
made free and clear of, and without deduction or withholding for, any present or future taxes, levies, imposts, duties, fees, assessments or other charges of whatever nature now or 

  

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hereafter imposed by any jurisdiction or by any political subdivision or taxing authority thereof or therein with respect to such payments (but excluding,
except as provided in the second succeeding sentence, any tax, imposed on or measured by the net income or net profits of a Lender pursuant to the laws of the jurisdiction under which such Lender is organized or the jurisdiction in which the
principal office or Applicable Lending Office of such Lender is located or any subdivision thereof or therein) and all interest, penalties or similar liabilities with respect to such nonexcluded taxes, levies imposts, duties, fees, assessments or
other charges (all such nonexcluded taxes levies, imposts, duties, fees assessments or other charges being referred to collectively as “Taxes”). If any Taxes are so levied or imposed, the Borrower agrees to pay the full
amount of such Taxes and such additional amounts as may be necessary so that every payment by them of all amounts due hereunder or under any Note, after withholding or deduction for or on account of any Taxes will not be less than the amount
provided for herein or in such Note. If any amounts are payable in respect of Taxes pursuant to the preceding sentence, the Borrower agrees to reimburse each Lender, upon the written request of such Lender for taxes imposed on or measured by the net
income or profits of such Lender pursuant to the laws of the jurisdiction in which such Lender is organized or in which the principal office or Applicable Lending Office of such Lender is located or under the laws of any political subdivision or
taxing authority of any such jurisdiction in which the principal office or Applicable Lending Office of such Lender is located and for any withholding of income or similar taxes imposed by the United States of America as such Lender shall determine
are payable by, or withheld from, such Lender in respect of such amounts so paid to or on behalf of such Lender pursuant to the preceding sentence and in respect of any amounts paid to or on behalf of such Lender pursuant to this sentence, which
request shall be accompanied by a statement from such Lender setting forth, in reasonable detail, the computations used in determining such amounts. The Borrower will furnish to the Administrative Agent within 45 days after the date the payment of
any Taxes, or any withholding or deduction on account thereof, is due pursuant to applicable law certified copies of tax receipts, or other evidence satisfactory to the relevant Lender, evidencing such payment by the Borrower. The Borrower will
indemnify and hold harmless the Administrative Agent and each Lender, and reimburse the Administrative Agent or such Lender upon its written request, for the amount of any Taxes so levied or imposed and paid or withheld by such Lender. 

 
 (b) Each Lender that is a Foreign Lender agrees to provide to the
Borrower and the Administrative Agent on or prior to the Effective Date, or in the cases of a Lender that is an assignee or transferee of an interest under this Agreement pursuant to section 13.4 (unless the respective Lender was already a Lender
hereunder immediately prior to such assignment or transfer and such Lender is in compliance with the provisions of this section 6.4(b)), on the date of such assignment or transfer to such Lender, (i) two accurate and complete original signed
copies of Internal Revenue Service Form W-8BEN or W-8ECI (or successor forms) certifying to such Lender’s entitlement to a complete exemption from United States withholding tax with respect to payments to be made under this Agreement or
any Note, or (ii) if the Lender is not a “bank” within the meaning of section 881(c)(3)(A) of the Code and cannot deliver either Internal Revenue Service Form W-8BEN or W-8ECI pursuant to clause (i) above, (x) a certificate
substantially in the form of Exhibit D (any such certificate, a “Section 6.4(b)(ii) Certificate”) and (y) two accurate and complete original signed copies of Internal Revenue Service Form W 8 (or successor
form) certifying to such Lender’s entitlement to a complete exemption from United States withholding tax with respect to payments of interest to be made under this Agreement or any Note. In addition, each Lender agrees that from time to time
after the Effective Date, when a lapse in time or change in circumstances renders the previous certification obsolete or inaccurate in any material respect, it will deliver to the Borrower and the Administrative Agent two new accurate and complete
original signed copies of Internal Revenue Service Form W-8BEN or W-8ECI, and a section 6.4(b)(ii) Certificate, as the case may be, and such other forms as may be required in order to confirm or establish the entitlement of such Lender to a
continued exemption from or reduction in United States withholding tax with respect to payments under this Agreement or any Note, or it shall immediately notify the Borrower and the Administrative Agent of its inability to deliver any such Form or
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case such Lender shall not be required to deliver any such Form or Certificate pursuant to this section 6.4(b). Notwithstanding anything to the contrary
contained in section 6.4(a), but subject to section 13.4(g) and the immediately succeeding sentence, (x) the Borrower shall be entitled, to the extent it is required to do so by law, to deduct or withhold income or other similar taxes
imposed by the United States (or any political subdivision or taxing authority thereof or therein) from interest, fees or other amounts payable hereunder for the account of any Lender that is a Foreign Lender and that has not provided to the
Borrower such forms that establish a complete exemption from such deduction or withholding and (y) the Borrower shall not be obligated pursuant to section 6.4(a) hereof to gross-up payments to be made to a Lender in respect of income or similar
taxes imposed by the United States or any additional amounts with respect thereto (I) if such Lender has not provided to the Borrower the Internal Revenue Service forms required to be provided to the Borrower pursuant to this section 6.4(b) or
(II) in the case of a payment other than interest, to a Lender described in clause (ii) above, to the extent that such forms do not establish a complete exemption from withholding of such taxes. Notwithstanding anything to the contrary
contained in the preceding sentence or elsewhere in this section 6.4 and except as specifically provided for in section 13.4(g), the Borrower agrees to pay additional amounts and indemnify each Lender in the manner set forth in section 6.4(a)
(without regard to the identity of the jurisdiction requiring the deduction or withholding) in respect of any Taxes deducted or withheld by it as described in the previous sentence as a result of any changes after the Effective Date in any
applicable law, treaty, governmental rule, regulation, guideline or order, or in the interpretation thereof, relating to the deducting or withholding of income or similar Taxes. 
  
 (c) If any Lender, in its sole opinion, determines that it has finally and irrevocably received or been granted a
refund in respect of any Taxes paid as to which indemnification has been paid by the Borrower pursuant to this section, it shall promptly remit such refund (including any interest received in respect thereof), net of all out-of-pocket costs and
expenses; provided, that the Borrower agrees to promptly return any such refund (plus interest) to such Lender in the event such Lender is required to repay such refund to the relevant taxing authority. Any such Lender shall provide
the Borrower with a copy of any notice of assessment from the relevant taxing authority (redacting any unrelated confidential information contained therein) requiring repayment of such refund. Nothing contained herein shall impose an obligation on
any Lender to apply for any such refund. 
  
 
7.5. Late Charges. If any principal of any Loan is not paid within 10 days after the Administrative Agent shall have given the Borrower notice of demand for the payment of the same or within 10 days after any Event of
Default described in section 11.1(g) in respect of the Borrower shall have occurred, or if any interest on any Loan is not paid within 10 days after the same becomes due, then and in any such case the Administrative Agent shall have
the right to assess a late charge, payable by the Borrower upon demand, in an amount equal to the greater of $20.00 or 3% of the amount not timely paid. Any such late charge shall be for the account of the Lenders for the benefit of whom such amount
was not timely paid and shall be in addition to any other amounts payable by the Borrower under the Credit Documents. 
  
 
SECTION 8. CONDITIONS PRECEDENT. 
  
 
8.1. Conditions Precedent at Closing Date. The obligation of the Lenders to make Loans is subject to the satisfaction of each of the following conditions on the Closing Date: 
  
 (a) Effectiveness; Notes; Other Credit Documents. On or prior to the
Closing Date, (i) the Effective Date shall have occurred and (ii) there shall have been delivered to the Administrative Agent for the account of each Lender the appropriate Note or Notes executed by the Borrower, in each case, in the
amount, maturity and as otherwise provided herein. The Credit Parties named therein shall have duly executed and delivered and there shall be in full force and effect, and original counterparts shall have been delivered to the Administrative Agent,
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Guaranty and any other Credit Document, instrument or other item requested by the Administrative Agent, including a Reaffirmation to the Security Documents
and Subsidiary Guaranty, each Collateral Assignments of Patents, each Collateral Assignment of Trademarks, Mortgages on the Closing Date Mortgaged Properties, Collateral Access Agreements (to the extent requested by the Administrative Agent) and
other documents in connection with the perfection of security interest in the Collateral. 
  
 (b) Fees, etc. The Borrower shall have paid or caused to be paid all fees required to be paid by it on or prior to such date pursuant to section 4 hereof and all reasonable fees and expenses of the
Administrative Agent and of special counsel to the Administrative Agent that have been invoiced on or prior to such date in connection with the preparation, execution and delivery of this Agreement and the other Credit Documents and the consummation
of the transactions contemplated hereby and thereby. 
  
 (c)
Corporate Charter, Bylaws and Good Standing Certificates. The Administrative Agent shall have received, in sufficient quantity for the Administrative Agent and the Lenders: (i) a copy of the Certificate of Incorporation of the Borrower and
each other Credit Party and any and all amendments and restatements thereof, certified as of a recent date by the Secretary of State or other governmental official of the jurisdiction of its incorporation, and certified by the Secretary or Assistant
Secretary of such Credit Party as being true, correct and in full and force and effect; (ii) a copy of the By-Laws or equivalent governing documents of the Borrower and each other Credit Party, certified as true, correct and in full force and
effect by the Secretary or an Assistant Secretary of such Credit Party; (iii) a good standing certificate from the Secretary of State or other governmental official of the jurisdiction of its incorporation, dated as of a recent date, listing
all charter documents affecting the Borrower and each other Credit Party and certifying as to the good standing of the Borrower and each other Credit Party, as applicable; and (iv) certificates of good standing from each other jurisdiction in
which the failure of the Borrower and each other Credit Party to be authorized or qualified to do business could reasonably be expected to have a Material Adverse Effect. 
  
 (d) Corporate Certificate. The Administrative Agent shall have received, in sufficient quantity for the
Administrative Agent and the Lenders, a certificate of the Secretary or an Assistant Secretary of the Borrower and each other Credit Party, dated the Closing Date, substantially in the form attached hereto as Exhibit C, and such certificate shall be
satisfactory in form and substance to the Administrative Agent. 
  
 (e) Borrower’s Closing Certificate. The Administrative Agent shall have received a certificate, dated the Closing Date, of a responsible financial or accounting officer of the Borrower to the effect that, at and as of the
Closing Date and both before and after giving effect to the initial Borrowings hereunder and the application of the proceeds thereof: (x) the Borrower is in compliance with all of the covenants contained in sections 9 and 10 of this Agreement;
(y) no Default or Event of Default has occurred or is continuing; and (z) all representations and warranties of the Borrower contained herein or in the other Credit Documents are true and correct in all material respects with the same
effect as though such representations and warranties had been made on and as of the Closing Date, except that as to any such representations and warranties that expressly relate to an earlier specified date, such representations and warranties are
only represented as having been true and correct in all material respects as of the date when made. 
  
 (f) Opinion of Counsel. The Administrative Agent shall have received an opinion, addressed to the Administrative Agent and each of the Lenders and
dated the Closing Date, from Michael J. Mocniak, Vice President, Secretary and General Counsel of the Borrower, covering such matters incident to the transactions contemplated hereby as the Administrative Agent may reasonably request, such
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 (g) Solvency Certificate. The Administrative Agent shall have received, in sufficient quantities
for the Lenders, a duly executed solvency certificate substantially in the form attached hereto as Exhibit D and such certificate shall be satisfactory in form and substance to each of the Lenders. 
  
 (h) Proceedings and Documents. All corporate and other proceedings and
all documents incidental to the transactions contemplated hereby shall be satisfactory in substance and form to the Administrative Agent and the Lenders and the Administrative Agent and its special counsel and the Lenders shall have received all
such counterpart originals or certified or other copies of such documents as the Administrative Agent or its special counsel or any Lender may reasonably request. 
  
 (i) No Disruption of Financial and Capital Markets. There shall not have occurred and be continuing a material
disruption of or material adverse change in the financial, banking, or capital markets that would have an adverse effect on the syndication of credit facilities similar in nature to this Agreement, as determined by the Administrative Agent in its
reasonable discretion. 
  
 (j) Evidence of Insurance. The
Administrative Agent shall have received copies of certificates of insurance and other evidence, satisfactory to it, of compliance with the insurance requirements of this Agreement and the other Credit Documents. 
  
 (k) Search Reports. The Administrative Agent shall have received
completed search reports from one or more commercial search firms acceptable to the Administrative Agent, listing all of the effective financing statements filed against the Borrower and any of its Domestic Subsidiaries in any jurisdiction in which
the Borrower or any of its Domestic Subsidiaries is organized, maintains a chief executive office or in which any property is owned or leased by the Borrower or any of its Domestic Subsidiaries, together with copies of such financing statements.

  
 (l) Absence of Litigation. There shall not be any
action, suits or proceedings pending or threatened with respect to the Borrower or its Subsidiaries; (i) that have, or could reasonably be expected to have, a Material Adverse Effect; or (ii) that question the validity or enforceability of
any of the Credit Documents, or of any action to be taken by the Borrower pursuant to any of the Credit Documents. 
  
 (m) Due Diligence. The Administrative Agent shall be reasonably satisfied in all respects with the results of its due diligence investigation of
the Borrower and its Subsidiaries, excluding the collateral audit. 
  
 (n) Approvals, etc. The Administrative Agent shall have received evidence that all necessary consents, permits and approvals (governmental or otherwise) required for the execution, delivery and performance by each Credit Party of the
Credit Documents have been duly obtained and are in full force and effect. 
  
 (o) Material Adverse Effect. As of the Closing Date, no condition or event shall have occurred since December 31, 2004 that has resulted in, or could reasonably be expected to result in, a Material Adverse
Effect. 
  
 
8.2. Conditions Precedent to All Loans. The obligation of the Lenders to make each Loan is subject, at the time thereof, to the satisfaction of the following conditions: 
  
 (a) Notice of Borrowing, etc. The Administrative Agent shall have
received a Notice of Borrowing meeting the requirements of section 2.3 with respect to the incurrence of Loans, which notice will be deemed to have been timely received with respect to the Term Loans on the Closing Date. 
  

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 (b) No Default; Representations and Warranties. At the time of such Loan and also after giving
effect thereto: (i) there shall exist no Default or Event of Default; and (ii) all representations and warranties of the Borrower contained herein or in the other Credit Documents shall be true and correct in all material respects with the
same effect as though such representations and warranties had been made on and as of the date of such Loan, except to the extent that such representations and warranties expressly relate to an earlier specified date, in which case such
representations and warranties shall have been true and correct in all material respects as of the date when made. 
  
 The acceptance of the benefits of each Loan shall constitute a representation and warranty by the Borrower to each of the Lenders that all of the applicable conditions
specified in section 7.1 and/or 7.2, as the case may be, exist as of that time. All of the certificates, legal opinions and other documents and papers referred to in this section 7, unless otherwise specified, shall be delivered to the
Administrative Agent for the account of each of the Lenders and, except for the Notes, in sufficient counterparts for each of the Lenders, and the Administrative Agent will promptly distribute to the Lenders their respective Notes and copies of such
other certificates, legal opinions and documents. 
  
 
SECTION 9. REPRESENTATIONS AND WARRANTIES. 
  
 In order to induce the Lenders to enter into this Agreement and to make the Loans provided for herein, the Borrower makes the following representations and warranties to, and agreements with, the Lenders, all of which
shall survive the execution and delivery of this Agreement and the making of each Loan: 
  
 
9.1. Corporate Status, etc. Each of the Borrower and its Subsidiaries: (i) is a duly organized or formed and validly existing corporation, partnership or limited liability company, as the case may be, in good
standing under the laws of the jurisdiction of its formation and has the corporate, partnership or limited liability company power and authority, as applicable, to own its property and assets and to transact the business in which it is engaged and
presently proposes to engage; and (ii) has duly qualified and is authorized to do business in all jurisdictions where it is required to be so qualified except where the failure to be so qualified would not have a Material Adverse Effect.

  
 
9.2. Subsidiaries. Annex II hereto lists, as of the date hereof, each Subsidiary of the Borrower and each other Credit Party (and the direct and indirect ownership interest of the Borrower or such other Credit Party, as
applicable, therein). 
  
 
9.3. Corporate Power and Authority, etc. Each Credit Party has the corporate power and authority to execute, deliver and carry out the terms and provisions of the Credit Documents to which it is party and has taken all
necessary corporate action to authorize the execution, delivery and performance of the Credit Documents to which it is party. Each Credit Party has duly executed and delivered each Credit Document to which it is party, and each Credit Document to
which it is party constitutes the legal, valid and binding agreement or obligation of each Credit Party enforceable in accordance with its terms, except to the extent that the enforceability thereof may be limited by applicable bankruptcy,
insolvency, reorganization, moratorium or other similar laws generally affecting creditors’ rights and by equitable principles (regardless of whether enforcement is sought in equity or at law). 
  
 
9.4. No Violation. Neither the execution, delivery and performance by the Credit Parties of the Credit Documents to which each is party nor compliance with the terms and provisions thereof: (i) will contravene any
provision of any law, statute, rule, regulation, order, writ, injunction or decree of any court or governmental instrumentality applicable to such Credit Party or its properties and assets; (ii) will conflict with or result in any breach of,
any of the terms, covenants, conditions or provisions of, or constitute a default under, or result in the creation or imposition of (or the obligation to create or impose) any Lien upon any of the property or assets of each Credit Party pursuant to
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promissory note, bond, debenture, indenture, mortgage, deed of trust, credit or loan agreement, or any other material agreement or other instrument, to which
each Credit Party is a party or by which it or any of its property or assets are bound or to which it may be subject; or (iii) will violate any provision of the articles of incorporation or bylaws of each Credit Party. 
  
 
9.5. Governmental Approvals. No order, consent, approval, license, authorization, or validation of, or filing, recording or registration with, or exemption by, any foreign or domestic governmental or public body or
authority, or any subdivision thereof, is required to authorize or is required as a condition to: (i) the execution, delivery and performance by each Credit Party of any Credit Document to which it is a party; or (ii) the legality,
validity, binding effect or enforceability of any Credit Document to which each Credit Party is a party. 
  
 
9.6. Litigation. There are no actions, suits or proceedings pending or, to, the knowledge of the Borrower, threatened with respect to the Borrower or any of its Subsidiaries: (i) that have, or could reasonably be
expected to have, a Material Adverse Effect; or (ii) that question the validity or enforceability of any of the Credit Documents, or of any action to be taken by the Credit Parties pursuant to any of the Credit Documents to which each Credit
Party is a party. 
  
 
9.7. Use of Proceeds; Margin Regulations. (a) The proceeds of all Loans shall be utilized in order to refinance indebtedness of the Borrower, consummate the Related Transactions, provide working capital and
funds for capital expenditures and other general corporate purposes, consummate Permitted Acquisitions or obtain Letters of Credit as permitted hereunder. 
  
 (b) No part of the proceeds of any Loan will be used directly or indirectly to purchase or carry Margin Stock, or to extend credit to others for
the purpose of purchasing or carrying any Margin Stock, in violation of any of the provisions of Regulation T, U or X of the Board of Governors of the Federal Reserve System. The Borrower is not engaged in the business of extending credit for the
purpose of purchasing or carrying any Margin Stock. At no time would more than 25% of the value of the assets of the Borrower or of the Borrower and its consolidated Subsidiaries that are subject to any “arrangement” (as such term is used
in section 221.2(g) of such Regulation U) hereunder be represented by Margin Stock. 
  
 
9.8. Financial Statements, etc. (a) The Borrower has furnished to the Lenders and the Administrative Agent complete and correct copies of (i) the audited consolidated balance sheets of the Borrower and
its consolidated subsidiaries as of the end of its fiscal year ended on or nearest to December 31, 2004, and the related audited consolidated statements of income, stockholders’ equity, and cash flows for the fiscal year then ended,
accompanied by the unqualified report thereon of the Borrower’s independent accountants; and (ii) the unaudited condensed consolidated balance sheets of the Borrower and its consolidated subsidiaries as of each of March 31,
2005, June 30, 2005 and September 30, 2005 and the related unaudited condensed consolidated statements of income and of cash flows of the Borrower and its consolidated subsidiaries for the fiscal quarter or quarters then ended, as
contained in the Form 10-Q Quarterly Report of the Borrower filed with the SEC for such fiscal quarter. All such financial statements have been prepared in accordance with GAAP, consistently applied (except as stated therein), and fairly present the
financial position of the Borrower and its consolidated subsidiaries as of the respective dates indicated and the consolidated results of their operations and cash flows for the respective periods indicated, subject in the case of any such financial
statements that are unaudited, to normal audit adjustments, none of which will involve a Material Adverse Effect. 
  
 (b) The Borrower has delivered or caused to be delivered to the Lenders prior to the execution and delivery of this Agreement: (i) a copy of
the Borrower’s Report on Form 10-K as filed (without Exhibits) with the SEC for its fiscal year ended on or nearest to December 31, 2004, that contains a general description of the business and affairs of the Borrower and its Subsidiaries;
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projections prepared by management of the Borrower for the Borrower and its Subsidiaries for the fiscal years 2006-2008 (the “Financial
Projections”). The Financial Projections were prepared on behalf of the Borrower in good faith after taking into account the existing and historical levels of business activity of the Borrower and its Subsidiaries, known trends,
including general economic trends, and all other information, assumptions and estimates considered by management of the Borrower and its Subsidiaries to be pertinent thereto. The Financial Projections were considered by management of the Borrower,
as of such date of preparation, to be realistically achievable; provided, that no representation or warranty is made as to the impact of future general economic conditions or as to whether the Borrower’s projected consolidated
results as set forth in the Financial Projections will actually be realized. No facts are known to the Borrower at the date hereof that, if reflected in the Financial Projections, would result in a material adverse change in the assets, liabilities,
results of operations or cash flows reflected therein. 
  
 
9.9. No Material Adverse Change. Except as reflected in the financial statements delivered pursuant to section 8.8(a) hereof, since December 31, 2004, there has been no change in the condition, business or affairs
of the Borrower and its Subsidiaries taken as a whole, or their properties and assets considered as an entirety, except for changes, none of which, individually or in the aggregate, has had or could reasonably be expected to have, a Material Adverse
Effect. 
  
 
9.10. Tax Returns and Payments. Each of the Borrower and each of its Subsidiaries has filed all federal income tax returns and all other material tax returns, domestic and foreign, required to be filed by it and has paid
all material taxes and assessments payable by it that have become due, other than those not yet delinquent and except for those contested in good faith. The Borrower and each of its Subsidiaries has established on its books such charges, accruals
and reserves in respect of taxes, assessments, fees and other governmental charges for all fiscal periods as are required by GAAP. The Borrower knows of no proposed assessment for additional federal, foreign or state taxes for any period, or of any
basis therefor, that, individually or in the aggregate, taking into account such charges, accruals and reserves in respect thereof as the Borrower and its Subsidiaries have made, could reasonably be expected to have a Material Adverse Effect.

  
 
9.11. Title to Properties, etc. The Borrower and each of its Subsidiaries has good and marketable title, in the case of real property, and good title (or valid Leaseholds, in the case of any leased property), in the case
of all other property, to all of its properties and assets free and clear of Liens other than Liens permitted by section 10.3. The interests of the Borrower and each of its Subsidiaries in the properties reflected in the most recent balance sheet
referred to in section 8.8, taken as a whole, were sufficient, in the judgment of the Borrower, as of the date of such balance sheet for purposes of the ownership and operation of the businesses conducted by the Borrower and such Subsidiaries.

  
 
9.12. Lawful Operations, etc. The Borrower and each of its Subsidiaries: (i) holds all necessary federal, state and local governmental licenses, registrations, certifications, permits and authorizations necessary to
conduct its business; and (ii) is in full compliance with all material requirements imposed by law, regulation or rule, whether federal, state or local, that are applicable to it, its operations, or its properties and assets, including without
limitation, applicable requirements of Environmental Laws, except for any failure to obtain and maintain in effect, or noncompliance, that, individually or in the aggregate, could not reasonably be expected to have a Material Adverse
Effect. 
  
 
9.13. Environmental Matters. Except as set forth on Annex X hereto: 
  
 (a) The Borrower and each of its Subsidiaries is in compliance with all Environmental Laws governing its business, except to the
extent that any such failure to comply (together with any resulting penalties, fines or forfeitures) would not reasonably be expected to have a Material Adverse Effect. All licenses, permits, registrations or approvals required for the conduct of
the business of the Borrower and each of its Subsidiaries under any Environmental Law have been secured and the Borrower and each of 

  

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its Subsidiaries is in substantial compliance therewith, except for such licenses, permits, registrations or approvals the failure to secure or
to comply therewith is not reasonably likely to have a Material Adverse Effect. Neither the Borrower nor any of its Subsidiaries has received written notice, or otherwise knows, that it is in any respect in noncompliance with, breach of or default
under any applicable writ, order, judgment, injunction, or decree to which the Borrower or such Subsidiary is a party or that would affect the ability of the Borrower or such Subsidiary to operate any Real Property and no event has occurred and is
continuing that, with the passage of time or the giving of notice or both, would constitute noncompliance, breach of or default thereunder, except in each such case, such noncompliance, breaches or defaults as would not reasonably be
expected to, in the aggregate, have a Material Adverse Effect. There are no Environmental Claims pending or, to the best knowledge of the Borrower, threatened wherein an unfavorable decision, ruling or finding would reasonably be expected to have a
Material Adverse Effect. There are no facts, circumstances, conditions or occurrences on any Real Property now or at any time owned, leased or operated by the Borrower or any of its Subsidiaries or on any property adjacent to any such Real Property,
that are known by the Borrower or as to which the Borrower or any such Subsidiary has received written notice, that could reasonably be expected: (i) to form the basis of an Environmental Claim against the Borrower or any of its Subsidiaries or
any Real Property of the Borrower or any of its Subsidiaries; or (ii) to cause such Real Property to be subject to any restrictions on the ownership, occupancy, use or transferability of such Real Property under any Environmental Law, except in
each such case, such Environmental Claims or restrictions that individually or in the aggregate would not reasonably be expected to have a Material Adverse Effect. 
  
 (b) Hazardous Materials have not at any time been: (i) generated, used, treated or stored on, or transported to
or from, any Real Property of the Borrower or any of its Subsidiaries; or (ii) released on any such Real Property, in each case where such occurrence or event is not in compliance with Environmental Laws and is reasonably likely to have a
Material Adverse Effect. 
  
 
9.14. Compliance with ERISA. Compliance by the Borrower with the provisions hereof and Loans contemplated hereby will not involve any prohibited transaction within the meaning of ERISA or section 4975 of the Code. The
Borrower and each of its Subsidiaries: (i) has fulfilled all obligations under minimum funding standards of ERISA and the Code with respect to each Plan that is not a Multiemployer Plan or a Multiple Employer Plan; (ii) has satisfied all
respective contribution obligations in respect of each Multiemployer Plan and each Multiple Employer Plan; (iii) is in compliance in all material respects with all other applicable provisions of ERISA and the Code with respect to each Plan,
each Multiemployer Plan and each Multiple Employer Plan; and (iv) has not incurred any liability under the Title IV of ERISA to the PBGC with respect to any Plan, any Multiemployer Plan, any Multiple Employer Plan, or any trust established
thereunder, except for PBGC premiums in the ordinary course. No Plan or trust created thereunder has been terminated, and there have been no Reportable Events, with respect to any Plan or trust created thereunder or with respect to any Multiple
Employer Plan, which termination or Reportable Event will or could result in the termination of such Plan or Multiple Employer Plan and give rise to a material liability of the Borrower or any ERISA Affiliate in respect thereof. Neither the Borrower
nor any ERISA Affiliate is at the date hereof, or has been at any time within the two years preceding the date hereof, an employer required to contribute to any Multiemployer Plan or Multiple Employer Plan, or a “contributing sponsor” (as
such term is defined in section 4001 of ERISA) in any Multiemployer Plan or Multiple Employer Plan. Neither the Borrower nor any ERISA Affiliate has any contingent liability with respect to any post-retirement “welfare benefit plan” (as
such term is defined in ERISA) except as disclosed on Annex IX hereto. 
  
 
9.15. Intellectual Property, etc. The Borrower and each of its Subsidiaries has obtained or has the right to use all material patents, trademarks, servicemarks, trade names, copyrights, licenses and other rights with
respect to the foregoing necessary for the present and planned future conduct of its business, without any known conflict with the rights of others, except for such patents, trademarks, 

  

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servicemarks, trade names, copyrights, licenses and rights, the loss of which, and such conflicts, that in any such case individually or in the aggregate
would not reasonably be expected to have a Material Adverse Effect. 
  
 
9.16. Investment Company Act, etc. Neither the Borrower nor any of its Subsidiaries is subject to regulation with respect to the creation or incurrence of Indebtedness under the Investment Company Act of 1940, as
amended, the Interstate Commerce Act, as amended, the Federal Power Act, as amended, the Public Utility Holding Company Act of 1935, as amended, or any applicable state public utility law. 
  
 
9.17. Burdensome Contracts; Labor Relations. Neither the Borrower nor any of its Subsidiaries: (i) is subject to any burdensome contract, agreement, corporate restriction, judgment, decree or order; (ii) is a
party to any labor dispute affecting any bargaining unit or other group of employees generally; (iii) is subject to any material strike, slow down, workout or other concerted interruptions of operations by employees of the Borrower or any
Subsidiary, whether or not relating to any labor contracts; (iv) is subject to any significant pending or, to the knowledge of the Borrower, threatened, unfair labor practice complaint, before the National Labor Relations Board; and (v) is
subject to any significant pending or, to the knowledge of the Borrower, threatened, grievance or significant arbitration proceeding arising out of or under any collective bargaining agreement; (vi) is subject to any significant pending or, to
the knowledge of the Borrower, threatened, significant strike, labor dispute, slowdown or stoppage; or (vii) is, to the knowledge of the Borrower, involved or subject to any union representation organizing or certification matter with respect
to the employees of the Borrower or any of its Subsidiaries, except (with respect to any matter specified in any of the above clauses), for such matters as, individually or in the aggregate, could not reasonably be expected to have a
Material Adverse Effect. 
  
 
9.18. Existing Indebtedness. Annex III sets forth a true and complete list, as of the date or dates set forth therein, of all Indebtedness of the Borrower and each of its Subsidiaries, on a consolidated basis, that:
(i) has an outstanding principal amount of at least $1,000,000, or may be incurred pursuant to existing commitments or lines of credit; or (ii) is secured by any Lien on any property of the Borrower or any Subsidiary, and that will be
outstanding on the Closing Date after giving effect to the initial Borrowing hereunder, other than the Indebtedness created under the Credit Documents (all such Indebtedness, whether or not in a principal amount meeting such threshold and required
to be so listed on Annex III, herein the “Existing Indebtedness”). As and to the extent the Administrative Agent has so requested, the Borrower has provided to the Administrative Agent prior to the date of execution hereof
true and complete copies (or summary descriptions) of all agreements and instruments governing the Indebtedness listed on Annex III (the “Existing Indebtedness Agreements”). 
  
 
9.19. Security Interests. Until terminated in accordance with the terms thereof, each of the Security Documents creates, subject to the filings (including extension thereof), deliveries and notations contemplated in such
Security Documents, as security for the obligations purported to be secured thereby (which includes, without limitation, the Obligations), a valid and enforceable perfected security interest in and Lien on all of the Collateral subject thereto from
time to time, in favor of the Collateral Agent for the benefit of the Secured Creditors referred to in the Security Documents, superior to and prior to the rights of all third Persons and subject to no other Liens, except that the
Collateral under the Security Documents may be subject to Permitted Liens. No filings or recordings are required in order to perfect the security interests created under any Security Document except for filings or recordings required in connection
with any such Security Document which shall have been made, or for which satisfactory arrangements have been made, upon or prior to the execution and delivery thereof. All recording, stamp, intangible or other similar taxes required to be paid by
any Person under applicable legal requirements or other laws applicable to the property encumbered by the Security Documents in connection with the execution, delivery, recordation, filing, registration, perfection or enforcement thereof have been
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9.20. True and Complete Disclosure. All factual information (taken as a whole) heretofore or contemporaneously furnished by or on behalf of the Borrower or any of its Subsidiaries in writing to the Administrative Agent
or any Lender for purposes of or in connection with this Agreement or any transaction contemplated herein, other than the Financial Projections (as to which representations are made only as provided in section 8.8), is, and all other such factual
information (taken as a whole) hereafter furnished by or on behalf of such person in writing to any Lender will be, true and accurate in all material respects on the date as of which such information is dated or certified and not incomplete by
omitting to state any material fact necessary to make such information (taken as a whole) not misleading at such time in light of the circumstances under which such information was provided, except that any such future information consisting of
financial projections prepared by management of the Borrower is only represented herein as being based on good faith estimates and assumptions believed by such persons to be reasonable at the time made, it being recognized by the Lenders that such
projections as to future events are not to be viewed as facts and that actual results during the period or periods covered by any such projections may differ materially from the projected results. As of the Effective Date, there is no fact known to
the Borrower or any of its Subsidiaries that has, or could reasonably be expected to have, a Material Adverse Effect that has not theretofore been disclosed in writing to the Lenders. 
  
 
9.21. Insurance. The Borrower and each of its Subsidiaries maintains insurance coverage by such insurers and in such forms and amounts and against such risks as are generally consistent with industry standards.

  
 
SECTION 10. AFFIRMATIVE COVENANTS. 
  
 The Borrower hereby covenants and agrees that so long as this Agreement is in effect and until such time as the Total Commitment has been terminated, no Notes are outstanding and the Loans, together with interest, Fees and all other
Obligations hereunder, have been paid in full: 
  
 
10.1. Reporting Requirements. The Borrower will furnish to each Lender and the Administrative Agent: 
  
 (a) Annual Financial Statements. As soon as available and in any event within 90 days after the close of each fiscal year of the Borrower, a Form
10-K, including the consolidated and consolidating balance sheets of the Borrower and its consolidated Subsidiaries as at the end of such fiscal year and the related consolidated statements of income, of stockholder’s equity and of cash flows
for such fiscal year, in each case setting forth comparative figures for the preceding fiscal year, all in reasonable detail and accompanied by the opinion with respect to such consolidated financial statements of independent public accountants of
recognized national standing selected by the Borrower, which opinion shall be unqualified and shall: (i) state that such accountants audited such consolidated financial statements in accordance with generally accepted auditing standards, that
such accountants believe that such audit provides a reasonable basis for their opinion, and that in their opinion such consolidated financial statements present fairly, in all material respects, the consolidated financial position of the Borrower
and its consolidated subsidiaries as at the end of such fiscal year and the consolidated results of their operations and cash flows for such fiscal year in conformity with generally accepted accounting principles; or (ii) contain such
statements as are customarily included in unqualified reports of independent accountants in conformity with the recommendations and requirements of the American Institute of Certified Public Accountants (or any successor organization);
provided, that the delivery to the SEC within the time period specified above of the Borrower’s Annual Report on Form 10-K for such fiscal year (together with the Borrower’s annual report to shareholders, if any, prepared
pursuant to Rule 14a-3 under the 1934 Act) prepared in accordance with the requirements therefor and filed with the SEC shall be deemed to satisfy the requirements of this section 9.1(a) so long as a copy thereof is forwarded to the
Administrative Agent by the Borrower promptly upon completion. 
  

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 (b) Quarterly Financial Statements. For the first three quarters of each fiscal year, as soon as
available and in any event within 45 days after the close of each of the applicable quarterly accounting periods in each fiscal year of the Borrower, a Form 10-Q, together with the unaudited consolidated and consolidating balance sheets of the
Borrower and its consolidated Subsidiaries as at the end of such quarterly period and the related unaudited condensed consolidated statements of income and of cash flows for such quarterly period, and setting forth, in the case of such unaudited
consolidated statements of income and of cash flows, comparative figures for the related periods in the prior fiscal year; provided, that the delivery to the SEC within the time period specified above of the Borrower’s 10-Q for
such fiscal quarter prepared in accordance with the requirements therefor and filed with the SEC shall be deemed to satisfy the requirements of this section 9.1(b) so long as a copy thereof is forwarded to the Administrative Agent by the Borrower
promptly upon completion. 
  
 (c) Officer’s Compliance
Certificates. At the time of the delivery of the financial statements provided for in sections 9.1(a) and (b), a certificate on behalf of the Borrower of the Chief Financial Officer, Chief Executive Officer or President of the Borrower to the
effect that, to the best knowledge of the Borrower, no Default or Event of Default exists or, if any Default or Event of Default does exist, specifying the nature and extent thereof, which certificate shall set forth the calculations required to
establish compliance with the provisions of sections 10.4(c), 10.5 and 10.6 through 10.10, inclusive of this Agreement, including an identification of the amounts of any financial items of persons or business units acquired by the Borrower for any
periods prior to the date of acquisition that are used in making such calculations. 
  
 (d) Budgets and Forecasts. Not later than 45 days after the commencement of each fiscal year of the Borrower, a consolidated budget in reasonable detail for such entire fiscal year and for each of the fiscal
quarters in such fiscal year, and (if and to the extent prepared by management of the Borrower) for any subsequent fiscal years, as customarily prepared by management for its internal use, setting forth, with appropriate discussion, the forecasted
balance sheet, income statement, operating cash flows and capital expenditures of the Borrower and its Subsidiaries for the period or periods covered thereby, and the principal assumptions upon which forecasts and budget are based. 
  
 (e) Auditors’ Internal Control Comment Letters, etc. Promptly
upon receipt thereof, notice to the Administrative Agent thereof, and upon request by the Administrative Agent, a copy of each letter or memorandum commenting on internal accounting controls and/or accounting or financial reporting policies followed
by the Borrower and/or any of its Subsidiaries, that is submitted to the Borrower by its independent accountants in connection with any annual or interim audit made by them of the books of the Borrower or any of its Subsidiaries. 
  
 (f) Notice of Default or Litigation. Promptly, and in any event within
three Business Days, in the case of clause (i) below, or five Business Days, in the case of clause (ii) below, after the Borrower or any of its Subsidiaries obtains knowledge thereof, notice of: 
  
 (i) the occurrence of any event that constitutes a Default
or Event of Default, which notice shall specify the nature thereof, the period of existence thereof and what action the Borrower proposes to take with respect thereto; and 
  
 (ii) any litigation or governmental or regulatory investigation or proceeding pending against or involving
the Borrower or any of its Subsidiaries that could reasonably be expected to have a Material Adverse Effect. 
  
 (g) ERISA. Promptly, and in any event within 10 days after the Borrower, any Subsidiary of the Borrower or any ERISA Affiliate knows of the
occurrence of any of the following, the Borrower will deliver to each of the Lenders a certificate on behalf of the Borrower of an Authorized Officer of the 

  

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Borrower setting forth the full details as to such occurrence and the action, if any, that the Borrower, such Subsidiary or such ERISA Affiliate is required
or proposes to take, together with any notices required or proposed to be given to or filed with or by the Borrower, the Subsidiary, the ERISA Affiliate, the PBGC, a Plan participant or the Plan administrator with respect thereto: 
  
 (i) that a Reportable Event has occurred with respect to any
Plan; 
  
 (ii) the institution of any steps by
the Borrower, any ERISA Affiliate, the PBGC or any other person to terminate any Plan; 
  
 (iii) the institution of any steps by the Borrower or any ERISA Affiliate to withdraw from any Plan; 
  
 (iv) the institution of any steps by the Borrower or any
Subsidiary to withdraw from any Multiemployer Plan or Multiple Employer Plan, if such withdrawal could result in withdrawal liability (as described in Part 1 of Subtitle E of Title IV of ERISA) in excess of $5,000,000; 
  
 (v) a non-exempt “prohibited transaction” within
the meaning of section 406 of ERISA in connection with any Plan; 
  
 (vi) that a Plan has an Unfunded Current Liability exceeding $40,000,000; 
  
 (vii) any material increase in the contingent liability of the Borrower or any Subsidiary with respect to any post-retirement welfare
liability; or 
  
 (viii) the taking of any action
by, or the threatening of the taking of any action by, the Internal Revenue Service, the Department of Labor or the PBGC with respect to any of the foregoing. 
  

(h) Environmental Matters. Promptly upon, and in any event within 10 Business Days after, an officer of the Borrower obtains actual knowledge
thereof, notice of any of the following environmental matters that involves any reasonable likelihood (in the Borrower’s reasonable judgment) of resulting in a Material Adverse Effect: (i) any pending or threatened (in writing)
Environmental Claim against the Borrower or any of its Subsidiaries or any Real Property owned or operated by the Borrower or any of its Subsidiaries; (ii) any condition or occurrence on or arising from any Real Property owned or operated by
the Borrower or any of its Subsidiaries that (A) results in noncompliance by the Borrower or any of its Subsidiaries with any applicable Environmental Law or (B) would reasonably be expected to form the basis of an Environmental Claim
against the Borrower or any of its Subsidiaries or any such Real Property; (iii) any condition or occurrence on any Real Property owned, leased or operated by the Borrower or any of its Subsidiaries that could reasonably be expected to cause
such Real Property to be subject to any restrictions on the ownership, occupancy, use or transferability by the Borrower or any of its Subsidiaries of such Real Property under any Environmental Law; and (iv) the taking of any removal or
remedial action in response to the actual or alleged presence of any Hazardous Material on any Real Property owned, leased or operated by the Borrower or any of its Subsidiaries as required by any Environmental Law or any governmental or other
administrative agency. All such notices shall describe in reasonable detail the nature of the Environmental Claim and the Borrower’s or such Subsidiary’s response thereto. 
  
 (i) SEC Reports and Registration Statements. Promptly upon transmission thereof or other filing with the SEC, copies
of all registration statements (other than the exhibits thereto and any registration statement on Form S-8 or its equivalent) and annual, quarterly or current reports that the Borrower or any of its Subsidiaries files with the SEC. 
  

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 (j) Other Information. With reasonable promptness, such other information or documents (financial
or otherwise) relating to the Borrower or any of its Subsidiaries as any Lender may reasonably request from time to time. 
  
 
10.2. Books, Records and Inspections. The Borrower will, and will cause each of its Subsidiaries to: (i) keep proper books of record and account, in which full and correct entries shall be made of all financial
transactions and the assets and business of the Borrower or such Subsidiaries, as the case may be, in accordance with GAAP, in the case of the Borrower, or that are reconcilable to a GAAP presentation, in the case of any Subsidiary; and
(ii) permit, upon at least five Business Days’ notice to the Chief Financial Officer or any other Authorized Officer of the Borrower, officers and designated representatives of the Administrative Agent or any of the Lenders to visit and
inspect any of the properties or assets of the Borrower and any of its Subsidiaries in whomsoever’s possession (but only to the extent the Borrower or such Subsidiary has the right to do so to the extent in the possession of another person),
and to examine (and make copies of or take extracts from) the books of account of the Borrower and any of its Subsidiaries and discuss the affairs, finances and accounts of the Borrower and of any of its Subsidiaries with, and be advised as to the
same by, its and their officers and independent accountants and independent actuaries, if any, all at such reasonable times and intervals and to such reasonable extent as the Administrative Agent or any of the Lenders may request. 
  
 
10.3. Insurance. (a) The Borrower will, and will cause each of its Subsidiaries to: (i) maintain insurance coverage by such insurers and in such forms and amounts and against such risks as are generally
consistent with the insurance coverage maintained by the Borrower and its Subsidiaries at the date hereof and as may be required pursuant to the terms of any other Credit Document; and (ii) forthwith upon any Lender’s written request,
furnish to such Lender such information about such insurance as such Lender may from time to time reasonably request, which information shall be prepared in form and detail satisfactory to such Lender and certified by an Authorized Officer of the
Borrower. 
  
 (b) The Borrower will, and will cause each of
its Subsidiaries which is a Credit Party to, at all times keep their respective property which is subject to the Lien of any Security Document insured in favor of the Collateral Agent, and all policies or certificates (or certified copies thereof)
with respect to such insurance (and any other insurance maintained by the Borrower or any such Subsidiary) (i) shall be endorsed to the Collateral Agent’s satisfaction for the benefit of the Collateral Agent (including, without limitation,
by naming the Collateral Agent as loss payee (with respect to Collateral) or, to the extent permitted by applicable law, as an additional insured), (ii) shall state that such insurance policies shall not be canceled without 30 days’ prior
written notice thereof (or 10 days’ prior written notice in the case of cancellation for the non-payment of premiums) by the respective insurer to the Collateral Agent, (iii) shall provide that the respective insurers irrevocably waive any
and all rights of subrogation with respect to the Collateral Agent and the Lenders, and (iv) shall in the case of any such certificates or endorsements in favor of the Collateral Agent, be delivered to or deposited with the Collateral Agent. In
no event shall the Borrower be required to deposit the actual insurance policies with the Collateral Agent. The Administrative Agent shall deliver copies of any certificates of insurance to a Lender upon such Lender’s reasonable request.

  
 (c) If the Borrower or any of its Subsidiaries shall
fail to maintain all insurance in accordance with this section 9.3, or if the Borrower or any of its Subsidiaries shall fail to so endorse and deliver or deposit all endorsements or certificates with respect thereto, the Administrative Agent and/or
the Collateral Agent shall have the right (but shall be under no obligation), upon prior written notice to the Borrower, to procure such insurance and the Borrower agrees to reimburse the Administrative Agent or the Collateral Agent, as the case may
be, on demand, for all costs and expenses of procuring such insurance. 
  

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10.4. Payment of Taxes and Claims. The Borrower will pay and discharge, and will cause each of its Subsidiaries to pay and discharge, all taxes, assessments and governmental charges or levies imposed upon it or upon its
income or profits, or upon any properties belonging to it, prior to the date on which penalties attach thereto, and all lawful claims that, if unpaid, might become a Lien or charge upon any properties of the Borrower or any of its Subsidiaries;
provided that neither the Borrower nor any of its Subsidiaries shall be required to pay any such tax, assessment, charge, levy or claim that is being contested in good faith and by proper proceedings if it has maintained adequate
reserves with respect thereto in accordance with GAAP; and provided, further, that the Borrower will not be considered to be in default of any of the provisions of this sentence if the Borrower or any Subsidiary fails to pay any such
amount that, individually or in the aggregate, is immaterial to the Borrower and its Subsidiaries considered as an entirety. 
  
 
10.5. Corporate Franchises. The Borrower will do, and will cause each of its Subsidiaries to do, or cause to be done, all things necessary to preserve and keep in full force and effect its corporate or other
organizational existence, rights, authority and franchises, provided that nothing in this section 9.5 shall be deemed to prohibit: (i) any transaction permitted by section 10.2; (ii) the termination of existence of any
Subsidiary if (A) the Borrower determines that such termination is in its best interest and (B) such termination is not adverse in any material respect to the Lenders; or (iii) the loss of any rights, authorities or franchises if the
loss thereof, in the aggregate, could not reasonably be expected to have a Material Adverse Effect. 
  
 
10.6. Good Repair. The Borrower will, and will cause each of its Subsidiaries to, ensure that its material properties and equipment used or useful in its business in whomsoever’s possession they may be, are kept in
good repair, working order and condition, normal wear and tear excepted, and that from time to time there are made in such properties and equipment all needful and proper repairs, renewals, replacements, extensions, additions, betterments and
improvements, thereto, to the extent and in the manner customary for companies in similar businesses. 
  
 
10.7. Compliance with Statutes, etc. The Borrower will, and will cause each of its Subsidiaries to, comply, in all material respects, with all applicable statutes, regulations and orders of, and all applicable
restrictions imposed by, all governmental bodies, domestic or foreign, in respect of the conduct of its business and the ownership of its property, other than those: (i) being contested in good faith by appropriate proceedings, as to which
adequate reserves are established to the extent required under GAAP; and (ii) the noncompliance with which would not have, and that would not be reasonably expected to have, a Material Adverse Effect. 
  
 
10.8. Compliance with Environmental Laws. Without limitation of the covenants contained in section 9.7 hereof: 
  
 (a) The Borrower will, and will cause each of its Subsidiaries to: (i) comply, in all material respects, with all Environmental Laws
applicable to the ownership, lease or use of all Real Property now or hereafter owned, leased or operated by the Borrower or any of its Subsidiaries, and promptly pay or cause to be paid all costs and expenses incurred in connection with such
compliance, except for such noncompliance as would not have, and that would not be reasonably expected to have, a Material Adverse Effect; and (ii) keep or cause to be kept all such Real Property free and clear of any Liens imposed pursuant to
such Environmental Laws that are not permitted under section 10.3. 
  
 (b) Without limitation of the foregoing, if the Borrower or any of its Subsidiaries shall generate, use, treat, store, release or dispose of, or permit the generation, use, treatment, storage, release or disposal 

  

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of, Hazardous Materials on any Real Property now or hereafter owned, leased or operated by the Borrower or any of its Subsidiaries, or transport or permit
the transportation of Hazardous Materials to or from any such Real Property, any such action shall be effected only in the ordinary course of business and in any event in compliance, in all material respects, with all Environmental Laws applicable
thereto, except for such noncompliance as would not have, and that would not be reasonably expected to have, a Material Adverse Effect. 
  
 (c) If required to do so under any applicable order of any governmental agency, the Borrower will undertake, and cause each of its Subsidiaries to
undertake, any clean up, removal, remedial or other action necessary to remove and clean up any Hazardous Materials from any Real Property owned, leased or operated by the Borrower or any of its Subsidiaries in accordance with, in all material
respects, the requirements of all applicable Environmental Laws and in accordance with, in all material respects, such orders of all governmental authorities, except: (i) to the extent that the Borrower or such Subsidiary is
contesting such order in good faith and by appropriate proceedings and for which adequate reserves have been established to the extent required by GAAP; or (ii) for such noncompliance as would not have, and that would not be reasonably expected
to have, a Material Adverse Effect. 
  
 
10.9. Fiscal Years, Fiscal Quarters. If the Borrower shall change any of its or any of its Subsidiaries’ fiscal years or fiscal quarters (other than the fiscal year or fiscal quarters of a person that becomes a
Subsidiary, made at the time such person becomes a Subsidiary to conform to the Borrower’s fiscal year and fiscal quarters), the Borrower will promptly, and in any event within 30 days following any such change, deliver a notice to the
Administrative Agent and the Lenders describing such change and any material accounting entries made in connection therewith and stating whether such change will have any impact upon any financial computations to be made hereunder, and if any such
impact is foreseen, describing in reasonable detail the nature and extent of such impact. If the Required Lenders determine that any such change will have any impact upon any financial computations to be made hereunder that is adverse to the
Lenders, the Borrower will, if so requested by the Administrative Agent, enter into an amendment to this Agreement, in form and substance reasonably satisfactory to the Administrative Agent and the Required Lenders, modifying any of the financial
covenants or related provisions hereof in such manner as the Required Lenders determine is necessary to eliminate such adverse effect. 
  
 
10.10. Hedge Agreements, etc. In the event the Borrower or any of its Subsidiaries determines to enter into a Hedge Agreement it may do so with any Non-Defaulting Lender or any other institution reasonably acceptable to
the Administrative Agent, provided that the purpose of such Hedge Agreement is to provide protection to the Borrower or any such Subsidiary from fluctuations and other changes in interest rates and currency exchange rates, as and to
the extent considered reasonably necessary by the Borrower, but without exposing the Borrower or its Subsidiaries to predominantly speculative risks unrelated to the amount of assets, Indebtedness or other liabilities intended to be subject to
coverage on a notional basis under all such Hedge Agreements. 
  
 
10.11. Most Favored Covenant Status. Should the Borrower at any time after the Effective Date, issue or guarantee any unsecured Indebtedness denominated in U.S. dollars for money borrowed or represented by bonds, notes,
debentures or similar securities in an aggregate amount exceeding $2,500,000, to any lender or group of lenders acting in concert with one another, or one or more institutional investors, pursuant to a loan agreement, credit agreement, note purchase
agreement, indenture, guaranty or other similar instrument, which agreement, indenture, guaranty or instrument, includes affirmative or negative business or financial covenants (or any events of default or other type of restriction that would have
the practical effect of any affirmative or negative business or financial covenant, including, without limitation, any “put” or mandatory prepayment of such Indebtedness upon the occurrence of a “change of control”) that are
applicable to the Borrower, other than those set forth herein or in any of the other Credit Documents, the Borrower shall promptly so notify the Administrative 

  

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Agent and the Lenders and, if the Administrative Agent shall so request by written notice to the Borrower (after a determination has been made by the
Required Lenders that any of the above-referenced documents or instruments contain any such provisions, that either individually or in the aggregate, are more favorable to the holders of such unsecured Indebtedness than any of the provisions set
forth herein), the Borrower, the Administrative Agent and the Lenders shall promptly amend this Agreement to incorporate some or all of such provisions, in the discretion of the Administrative Agent and the Required Lenders, into this Agreement and,
to the extent necessary and reasonably desirable to the Administrative Agent and the Required Lenders, into any of the other Credit Documents, all at the election of the Administrative Agent and the Required Lenders. Except with respect to those
documents set forth on Annex IX hereto, the Borrower covenants and agrees that no later than 30 days after the date hereof, the Borrower shall have caused any document relating to any Indebtedness that would violate the provisions of this
section 9.11 to be: (a) amended so that such document no longer violates the provisions of this section 9.11, provided that any such amendment shall be reasonably satisfactory to the Administrative Agent; or
(b) terminated. 
  
 
10.12. [Reserved.] 
  
 
10.13. Certain Subsidiaries to Join in Subsidiary Guaranty. (a) In the event that at any time after the Closing Date 
  
 (x) the Borrower has any Subsidiary (other than a Subsidiary that is a Non-Material Subsidiary and other than a Foreign Subsidiary as to which section
9.13(b) applies) that is not a party to the Subsidiary Guaranty, or 
  
 (y) an Event of Default shall have occurred and be continuing and the Borrower has any Subsidiary that is not a party to the Subsidiary Guaranty, 
  
 the Borrower will notify the Administrative Agent in writing of such event, identifying the Subsidiary in question and referring specifically to the rights of the
Administrative Agent and the Lenders under this section. The Borrower will, within 10 days following the creation or acquisition of any such Subsidiary cause such Subsidiary to deliver to the Administrative Agent, in sufficient quantities for the
Lenders, (i) a joinder supplement, reasonably satisfactory in form and substance to the Administrative Agent and the Required Lenders, duly executed by such Subsidiary, pursuant to which such Subsidiary joins in the Subsidiary Guaranty as a
guarantor thereunder, and (ii) resolutions of the Board of Directors (or similar governing body) of such Subsidiary, certified by the Secretary or an Assistant Secretary of such Subsidiary as duly adopted and in full force and effect,
authorizing the execution and delivery of such joinder supplement, or if such Subsidiary is not a corporation, such other evidence of the authority of such Subsidiary to execute such joinder supplement as the Administrative Agent may reasonably
request. 
  
 (b) Notwithstanding the foregoing provisions
of this section 9.13 or the provisions of section 9.14 hereof, unless an Event of Default shall have occurred and be continuing, the Borrower shall not be required to pledge (or cause to be pledged) more than 65% of the stock or other
equity interests in any first tier Foreign Subsidiary, or any of the stock or other equity interests in any other Foreign Subsidiary, or to cause a Foreign Subsidiary to join in the Subsidiary Guaranty or to become a party to the Security Agreement
or any other Security Document or to grant any security interests, mortgages or deeds of trust in any Uncollateralized Property of any Foreign Subsidiary if such pledge, guaranty or grant of security interest would reasonably be expected to result
in a material adverse tax consequence to the Credit Parties. 
  
 
10.14. Additional Security; Further Assurances. (a) In the event that at any time after the Closing Date Borrower or any Domestic Subsidiary that is also a Material Subsidiary owns or holds an interest in any
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outside of the United States or arising out of business conducted from any location within or outside the United States, which is not at the time included in
the Collateral (all of the foregoing, “Uncollateralized Property”), the Borrower will notify the Administrative Agent in writing of such event, identifying the Uncollateralized Property in question and referring specifically
to the rights of the Administrative Agent and the Lenders under this section 9.14. 
  
 (b) Borrower will, or will cause an applicable Subsidiary to, promptly (or, in the case of any such Uncollateralized Property acquired in connection with a Permitted Acquisition, concurrently with the
consummation thereof), grant the Collateral Agent for the benefit of the Secured Creditors (as defined in the Security Documents) security interests and mortgages or deeds of trust, pursuant to the Security Agreement, the Pledge Agreement or other
new documentation (each an “Additional Security Document”) or joinder in any existing Security Document to which it is not already a party, in all of the Uncollateralized Property, subject to obtaining any required consents
from third parties (including third party lessors and co-venturers) necessary to be obtained for the granting of a Lien on any particular Uncollateralized Property (with the Borrower hereby agreeing to use, and to cause its Subsidiaries to use,
reasonable best efforts to obtain such consents). 
  
 (c)
Each Additional Security Document (i) shall be granted pursuant to documentation reasonably satisfactory in form and substance to the Administrative Agent, which documentation shall in the case of Real Property owned in fee be accompanied
by such Phase I environmental reports or assessments (if requested by Collateral Agent), a mortgage policy of title insurance, and other supporting documentation requested by and reasonably satisfactory in form and substance to the Administrative
Agent; and (ii) shall constitute a valid and enforceable perfected Lien upon the interests or properties so included in the Collateral, superior to and prior to the rights of all third Persons and subject to no other Liens except those
permitted by section 9.2 or otherwise agreed by the Administrative Agent at the time of perfection thereof and (in the case of Real Property or interests therein) such other encumbrances as may be set forth in the mortgage policy, if any,
relating to such Additional Security Document which shall be delivered to the Collateral Agent together with such Additional Security Document and which shall be satisfactory in form and substance to the Administrative Agent and the Collateral
Agent. The Credit Parties, at their sole cost and expense, will cause each Additional Security Document or instruments related thereto to be duly recorded or filed in such manner and in such places as are required by law to establish, perfect,
preserve and protect the Liens created thereby required to be granted pursuant to the Additional Security Document, and will pay or cause to be paid in full all taxes, fees and other charges payable in connection therewith. Furthermore, the Credit
Parties shall cause to be delivered to the Collateral Agent such opinions of local counsel, appraisals, title insurance, environmental assessments, consents of landlords, lien waivers from landlords or mortgagees and other related documents as may
be reasonably requested by the Collateral Agent in connection with the execution, delivery and recording of any Additional Security Document, all of which documents shall be in form and substance reasonably satisfactory to the Administrative Agent
and the Collateral Agent. 
  
 (d) Borrower will, and will
cause each Domestic Subsidiary that is a Material Subsidiary to, at the expense of the Borrower, make, execute, endorse, acknowledge, file and/or deliver to the Collateral Agent from time to time such conveyances, financing statements, transfer
endorsements, powers of attorney, certificates, and other assurances or instruments and take such further steps relating to the Collateral covered by any of the Security Documents as the Collateral Agent may reasonably require. If at any time the
Collateral Agent determines, based on applicable law, that all applicable taxes (including, without limitation, mortgage recording taxes or similar charges) were not paid in connection with the recordation of any mortgage or deed of trust, the
Borrower shall promptly pay the same upon demand. 
  
 (e)
The Borrower will if requested by any Lender at any time, in order to meet any legal requirement applicable to such Lender, provide to the Collateral Agent and the Lenders, at the sole cost and expense of the Borrower, appraisals and other
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deed of trust delivered as an Additional Security Document hereunder, as specified by any Lender, meeting the appraisal and other documentation requirements
of the Real Estate Reform Amendments of the Financial Institution Reform, Recovery and Enforcement Act of 1989, as amended, or any other legal requirements applicable to any Lender, which in the case of any such appraisal shall be prepared by one or
more valuation firms of national standing, acceptable to the Required Lenders, utilizing appraisal standards satisfying such Amendments, Act or other legal requirements. 
  
 (f) Notwithstanding the foregoing provisions of this section 9.14, in the event the Administrative Agent
notifies the Borrower that the Required Lenders have determined on the basis of an environmental report or assessment that an Additional Security Document encumbering any particular Real Property should not be delivered, the Credit Parties shall be
relieved of their obligation in this section 9.14 to deliver or cause to be delivered an Additional Security Document in the form of a mortgage, deed of trust or similar instrument covering such Real Property, subject to any later
determination by the Required Lenders notified to the Borrower by the Administrative Agent that an Additional Security Document in the form of a mortgage, deed of trust or similar instrument covering such Real Property should be executed and
delivered hereunder. 
  
 (g) At least five
(5) Business Days prior to the date that (i) any Credit Party acquires any Collateral located in a jurisdiction as to which the Administrative Agent shall not previously have received a lien search report listing all effective UCC
financing statements and other Liens filed against such Credit Party in such jurisdiction and containing copies of all such effective UCC financing statements and other Lien documents, (ii) any Person first becomes a Credit Party (including
pursuant to a Permitted Acquisition), or (iii) any UCC financing statement or Security Document is filed against any Credit Party to perfect security interests granted pursuant to the Security Agreement or any other Security Document, the
Borrower will, at the expense of the Credit Parties, cause to be delivered to the Administrative Agent and the Lenders search reports listing all effective UCC financing statements and other Lien documents filed against such Person or Credit Party
in each applicable jurisdiction and containing copies of all such effective UCC financing statements and other Lien documents. In addition, whenever requested by the Administrative Agent, but not more frequently than once in any 12-month period, the
Borrower will promptly provide the Administrative Agent and the Lenders with such new or updated title, lien, judgment, patent, trademark and UCC financing statement searches or reports as to the Borrower or any of its Subsidiaries, or any
Collateral of any Credit Party, as the Administrative Agent may specify to the Borrower in its request. 
  
 (h) The Collateral Agent is authorized, without the consent of any of the Lenders or other Secured Creditors (as defined in the Security
Documents), to (i) enter into any modification of any Security Document which the Collateral Agent reasonably believes is required to conform to the mandatory requirements of local law, or to local customs followed by financial institutions
with respect to similar collateral documents involving property located in any particular jurisdiction, (ii) in the case of any Security Document relating to property located in a particular jurisdiction which imposes a tax with respect to such
Security Document based on the amount of the obligations secured thereby, expressly limit the amount of such secured obligations which are secured by such property to such amount as, in the Collateral Agent’s good faith judgment, is appropriate
so that the amount of such tax is reasonable in light of the estimated value of the property located in such jurisdiction, and/or (iii) designate the amount of title insurance coverage for any title insurance policy provided hereunder in an
amount reasonably believed by the Collateral Agent to be representative of the fair value of the property covered thereby. 
  
 (i) The Borrower will provide the Administrative Agent with sufficient copies of each Additional Security Document and any additional supporting
documents delivered in connection therewith for distribution of copies thereof to the Lenders, and the Administrative Agent will promptly so distribute such copies. 
  

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10.15. Casualty and Condemnation. (a) The Borrower will promptly (and in any event within 5 Business Days) furnish to the Administrative Agent and the Lenders written notice of any Event of Loss involving any
property included in the Collateral which is reasonably believed to be in excess of $5,000,000. 
  
 (b) If any Event of Loss results in Net Cash Proceeds (whether in the form of insurance proceeds, a condemnation award or otherwise), a portion or
all of which is required to be applied as a prepayment of the Loans or to the rebuilding or restoration of any affected property pursuant to section 5.2, the Collateral Agent is authorized to collect such Net Cash Proceeds and, if received by any
Credit Party, Borrower will, or will cause any applicable Credit Party, to pay over such Net Cash Proceeds to the Collateral Agent. 
  
 
10.16. Control Agreements. In the event the Borrower or any Subsidiary moves any operating account, lockbox account or other primary cash management Deposit Account to an institution other than NCB after the Closing
Date, the Borrower will, and will cause each of its Subsidiaries to, enter into Control Agreements with respect to each such Deposit Account and lock-box account maintained by the Borrower and such Subsidiaries of the Borrower. Each such Control
Agreement shall be in form and substance satisfactory to the Administrative Agent. 
  
 
10.17. Collateral Access Agreements. Notwithstanding any provision in the Security Agreement to the contrary, if requested to do so by the Administrative Agent (who may so request on its own initiative and who shall so
request if required to do so by instructions from the Required Lenders), the Borrower will use commercially reasonable efforts to promptly (and in any event within 90 days following any such request) obtain, and thereafter the Borrower will maintain
in effect, Collateral Access Agreements with respect to any location at which any tangible items of Collateral, having a minimum value as specified by the Administrative Agent in such request, are located, substantially in the form provided by, or
otherwise reasonably acceptable to, the Administrative Agent. 
  
 
10.18. Title Policies and Other Documents Relating to Mortgaged Real Property. As to each Real Property subjected to the Lien of a Mortgage on or after the Closing Date, including but not limited to the Closing Date
Mortgaged Properties (a “Mortgaged Property”), the Borrower shall deliver to the Collateral Agent the following: 
  
 (i) an American Land Title Association (ALTA) mortgagee title insurance policy or policies, or unconditional commitments therefor (a
“Mortgage Policy”) issued by a title insurance company reasonably satisfactory to the Collateral Agent (a “Title Company”), in an amount not less than the amount reasonably required therefor by the
Administrative Agent (taking into account the estimated value of the property involved), insuring fee simple title to such Mortgaged Property vested in the Borrower and assuring the Collateral Agent that the applicable Mortgage creates a valid and
enforceable first priority mortgage lien on the respective Mortgaged Property encumbered thereby, subject only to a standard survey exception, which Mortgage Policy (1) shall include an endorsement for mechanics’ liens, for revolving,
“variable rate” and future advances under this Agreement and for any other matters reasonably requested by any Agent and (2) shall provide for affirmative insurance and such reinsurance as any Agent may reasonably request, all of the
foregoing in form and substance reasonably satisfactory to the Administrative Agent; 
  
 (ii) a title report issued by the Title Company with respect thereto dated not more than 30 days prior to the Closing Date and
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 (iii) copies of all recorded documents listed as exceptions to title or otherwise
referred to in the Mortgage Policy or in such title report; 
  
 (iv) evidence, which may be in the form of a letter from the Title Company or from an insurance broker, surveyor or engineer, as to whether (1) such Mortgaged Property is a Flood Hazard Property, and (2) the
community in which such Flood Hazard Property is located is participating in the National Flood Insurance Program, and if such Mortgaged Property is a Flood Hazard Property, evidence that the Borrower has obtained flood insurance in respect of such
Flood Hazard Property to the extent required under the applicable regulations of the Board of Governors of the Federal Reserve System; and 
  
 (v) an opinion of local counsel admitted to practice in the jurisdiction in which such Mortgaged Property is located, addressed to the
Collateral Agent and authorizing the other Agents and the Lenders and their successors, assigns and participants to rely thereon, satisfactory in form and substance to the Administrative Agent, as to the validity and effectiveness of such Mortgage
as a lien on the Mortgaged Property encumbered thereby, and covering such other matters of law in connection with the execution, delivery, recording and enforcement of such Mortgage as any Agent may reasonably request. 
  
 In addition, the Borrower shall have paid or caused to be paid all costs and
expenses payable in connection with all of such actions, including but not limited to (x) all mortgage, intangibles or similar taxes or fees, however characterized, payable in respect of this Agreement, the execution and delivery of the Notes,
any of the Mortgages or any of the other Credit Documents or the recording of any of the same or any other documents related thereto; and (y) all expenses and premiums of the Title Company in connection with the issuance of such policy or
policies of title insurance and to all costs and expenses required for the recording of the Mortgages or any other Credit Documents or any other related documents in the appropriate public records. Notwithstanding the foregoing, if and to the extent
that the requirements contained in clauses (i) through (v) of section 9.18 above are not satisfied as of the Closing Date, the Borrower shall cause such requirements to be satisfied within 30 days following the Closing Date. If
requested by the Administrative Agent, the Borrower shall permit, and shall cause each other Credit Party to permit, the Administrative Agent or any of its representatives or designees access to the environmental records, reports, data and other
information on file with Borrower or any other Credit Party. 
  
 
SECTION 11. NEGATIVE COVENANTS. 
  
 The Borrower hereby covenants and agrees that on the Effective Date and thereafter for so long as this Agreement is in effect and until such time as the Total Commitment has been terminated, no Notes remain outstanding and the Loans,
together with interest, Fees and all other Obligations incurred hereunder, have been paid in full: 
  
 
11.1. Changes in Business. Neither the Borrower nor any of its Subsidiaries will engage in any business if, as a result, the general nature of the business, taken on a consolidated basis, that would then be engaged in by
the Borrower and its Subsidiaries, would be substantially changed from the business engaged in by the Borrower and its Subsidiaries on the date hereof. 
  
 
11.2. Consolidation, Merger, Acquisitions, Asset Sales, etc. Each of the Borrower and each other Credit Party will not, and will not permit any Subsidiary to, (1) wind up, liquidate or dissolve its affairs,
(2) enter into any transaction of merger or consolidation, (3) make or otherwise effect any Acquisition (other than the Related Transactions), (4) sell or otherwise dispose of any of its property or assets outside the ordinary course
of business, or otherwise make or otherwise effect any Asset Sale, or (5) agree to do any of the foregoing at any future time, except that the following shall be permitted: 
  

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 (a) Certain Intercompany Mergers, etc. If no Default or Event of Default shall have occurred and
be continuing or would result therefrom: 
  
 (i)
the merger, consolidation or amalgamation of any Subsidiary of the Borrower with or into the Borrower, provided the Borrower is the surviving or continuing or resulting corporation; 
  
 (ii) the merger, consolidation or amalgamation of any
Subsidiary of the Borrower with or into another Subsidiary of the Borrower, provided that the surviving or continuing or resulting corporation is a Wholly-Owned Subsidiary of the Borrower and provided,
further, that a party to such merger, consolidation or amalgamation is a Subsidiary Guarantor, the surviving or continuing or resulting corporation is a Subsidiary Guarantor; 
  
 (iii) the liquidation, winding up or dissolution of any
Non-Material Subsidiary of the Borrower; and 
  
 (iv) the transfer or other disposition of any property by the Borrower to any Wholly-Owned Subsidiary or by any Subsidiary to the Borrower or any other Wholly-Owned Subsidiary of the Borrower; provided, that if the transferor
is a Subsidiary Guarantor or the property being transferred is subject to the Liens of the Security Documents, the Subsidiary to which such property is transferred shall also be a Subsidiary Guarantor and the property shall continue to be subject to
the Liens of the Security Documents; provided further that transfers by a Subsidiary Guarantor or of property subject to the Liens of the Security Documents to a Subsidiary that is not a Subsidiary Guarantor shall be permitted to the
extent such transfers do not exceed $1,000,000 in the aggregate in any fiscal year; 
  
 shall each be permitted, if after giving effect thereto at least 60% of the Consolidated Total Assets (exclusive of intercompany items) of the Borrower are owned directly by the Borrower and the other Credit Parties
and not indirectly through Subsidiaries that are not Credit Parties. 
  
 (b) Other Mergers, etc. Involving the Credit Parties. Any Credit Party may consolidate or merge with any other corporation, or sell, transfer or otherwise dispose of all or substantially all of the property and assets of such Credit
Party to any person, if: (i) the surviving, continuing or resulting corporation of such merger or consolidation (if other than such Credit Party) or the acquiring person unconditionally assumes the obligations of such Credit Party under the
Credit Documents pursuant to an assumption agreement in form and substance reasonably satisfactory to the Required Lenders; (ii) no Event of Default has occurred and is continuing or would result therefrom; (iii) no Change of Control would
be occasioned thereby; and (iv) if any such merger or consolidation is entered into for the purpose of effecting an Acquisition, such Acquisition is permitted by section 10.2(c). 
  
 (c) Acquisitions. If (i) the Borrower’s ratio of the amount of its Consolidated Total Debt to its Adjusted
Consolidated EBITDA for its Testing Period most recently ended is less than 3.00 to 1.00, and (ii) no Default or Event of Default shall have occurred and be continuing or would result therefrom, the Borrower or any Subsidiary may make any
Acquisition that is a Permitted Acquisition, provided that all of the conditions contained in the definition of the term Permitted Acquisition are satisfied. 
  
 (d) Permitted Dispositions. If no Default or Event of Default shall have occurred and be continuing or would result
therefrom, the Borrower or any of its Subsidiaries may: (i) consummate any Permitted Disposition and sell the Solvent Recovery Business and the Bodenfelde Facility; (ii) sell any property, land or building (including any related
receivables or other intangible assets) to any person that is not a Subsidiary of the Borrower; (iii) sell the entire capital stock (or other equity interests) and Indebtedness of any Subsidiary owned by the Borrower or any other Subsidiary to
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Subsidiary of the Borrower; (iv) permit any Subsidiary to be merged or consolidated with a person that is not an Affiliate of the Borrower; or
(v) consummate any other Asset Sale with a person who is not a Subsidiary of the Borrower; provided that: 
  
 (A) the consideration for such transaction represents fair value (as determined by management of the Borrower), and other than with
respect to the Bodenfelde Facility, the Solvent Recovery Business or Permitted Dispositions, at least 90% of such consideration consists of cash, and with respect to Asset Sales relating to the Bodenfelde Facility or the Solvent Recovery Business,
and at least 65% of such consideration consists of cash; 
  
 (B) the cumulative aggregate consideration for all such transactions (excluding the Permitted Dispositions and the dispositions of the Solvent Recovery Business and the Bodenfelde Facility) completed during any
fiscal year does not exceed $5,000,000; 
  
 (C) in the case of any such transaction involving consideration in excess of $1,500,000 and any Asset Sale relating to the Bodenfelde Facility or the Solvent Recovery Business, at least five Business Days prior to the date of
completion of such transaction the Borrower shall have delivered to the Administrative Agent an officer’s certificate executed on behalf of the Borrower by an Authorized Officer of the Borrower, which certificate shall contain: (1) a
description of the proposed transaction, the date such transaction is scheduled to be consummated, the estimated purchase price or other consideration for such transaction; (2) a description of the contemplated use of the Cash Proceeds from
such Asset Sale, together with a certification that such Cash Proceeds will be used as described; (3) a certification that the Borrower would, after giving effect to such transaction, be in compliance, on a pro forma basis, with
the financial covenants contained in sections 10.7, 10.8, 10.9 and 10.10, such pro forma ratios being determined as if such transaction had been completed at the beginning of the most recent period of four consecutive fiscal quarters
of the Borrower; (4) a certification that no Default or Event of Default has occurred and is continuing, or would result from consummation of such transaction; and (5) if requested by the Administrative Agent, a certified copy of the draft
or definitive documentation pertaining thereto; 
  
 (D) contemporaneously with the completion of such transaction the Borrower prepays its Loans as and to the extent required by section 6.2 hereof; and 
  
 provided, further, that sales or other dispositions of obsolete, worn out or surplus equipment or fixtures may
be effected at any time in the ordinary course of business without compliance with the above provisions and the amount of any such sales or other dispositions shall be excluded from any computations under this section 10.2(d). 
  
 (e) Leases. The Borrower or any of its Subsidiaries may enter into
leases of property or assets not constituting Acquisitions, provided that such leases are not otherwise in violation of this Agreement. 
  
 (f) Capital Expenditures. The Borrower and its Subsidiaries shall be permitted to make Consolidated Capital Expenditures in any fiscal year in an
amount not to exceed $20,000,000 (excluding any Consolidated Capital Expenditures made with the Net Cash Proceeds from any Event of Loss to the extent used to repair, rebuild or replace such assets with assets similar to those assets that were the
subject of such Event of Loss). 
  
 (g) Permitted
Investments. The Borrower and it Subsidiaries shall be permitted to make the investments permitted pursuant to section 10.5. 
  

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11.3. Liens. The Borrower will not, and will not permit any of its Subsidiaries to, create, incur, assume or suffer to exist any Lien upon or with respect to any property or assets of any kind (real or personal, tangible
or intangible) of the Borrower or any such Subsidiary whether now owned or hereafter acquired, or sell any such property or assets subject to an understanding or agreement, contingent or otherwise, to repurchase such property or assets (including
sales of accounts receivable or notes with or without recourse to the Borrower or any of its Subsidiaries, other than for purposes of collection of delinquent accounts in the ordinary course of business) or assign any right to receive income, or
file or permit the filing of any financing statement under the UCC or any other similar notice of Lien under any similar recording or notice statute, except that the foregoing restrictions shall not apply to: 
  
 (a) Security Documents: the Liens of the Collateral Agent pursuant to
the Security Documents; 
  
 (b) Standard Permitted Liens:
the Standard Permitted Liens; 
  
 (c) Existing Liens, etc.:
Liens: (i) in existence on the Effective Date that are listed, and the Indebtedness secured thereby and the property subject thereto on the Effective Date described, in Annex IV; or (ii) arising out of the refinancing, extension,
renewal or refunding of any Indebtedness secured by any such Liens, provided that the principal amount of such Indebtedness is not increased and such Indebtedness is not secured by any additional assets; 
  
 (d) Purchase Money Liens: Liens: (i) that are placed upon fixed
or capital assets, acquired, constructed or improved by the Borrower or any Subsidiary, provided that (A) such Liens secure Indebtedness permitted by section 10.4(c), (B) such Liens and the Indebtedness secured thereby are
incurred prior to or within 90 days after such acquisition or the completion of such construction or improvement, (C) the Indebtedness secured thereby does not exceed 100% of the cost of acquiring, constructing or improving such fixed or
capital assets and (D) such Liens shall not apply to any other property or assets of the Borrower or any Subsidiary; or (ii) arising out of the refinancing, extension, renewal or refunding of any Indebtedness secured by any such Liens,
provided that the principal amount of such Indebtedness is not increased and such Indebtedness is not secured by any additional assets; and 
  
 (e) Liens on Acquired Properties: any Lien: (i) existing on any property or asset prior to the acquisition thereof by the Borrower or any
Subsidiary, or existing on any property or asset of any person that becomes a Subsidiary after the date hereof prior to the time such person becomes a Subsidiary; provided that (A) such Lien secures Indebtedness permitted by
section 10.4(c), (B) such Lien is not created in contemplation of or in connection with such acquisition or such person becoming a Subsidiary, as the case may be, (C) such Lien shall not attach or apply to any other property or assets of
the Borrower or any Subsidiary, and (D) such Lien shall secure only those obligations that it secures on the date of such acquisition or the date such person becomes a Subsidiary, as the case may be; or (ii) arising out of the refinancing,
extension, renewal or refunding of any Indebtedness secured by any such Liens, provided that the principal amount of such Indebtedness is not increased and such Indebtedness is not secured by any additional assets. 
  
 
11.4. Indebtedness. The Borrower will not, and will not permit any of its Subsidiaries to, contract, create, incur, assume or suffer to exist any Indebtedness of the Borrower or any of its Subsidiaries,
except: 
  
 (a) Credit Documents:
Indebtedness incurred under this Agreement and the other Credit Documents; 
  
 (b) Existing Indebtedness: Existing Indebtedness and any refinancing, extension, renewal or refunding of any such Existing Indebtedness not involving an increase in the principal amount thereof or a reduction
in the remaining weighted average life to maturity thereof (computed in accordance with standard financial practice); 
  

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 (c) Certain Priority Debt: to the extent not permitted by the foregoing clauses: 
  
 (i) Indebtedness consisting of Capital Lease Obligations of
the Borrower and its Subsidiaries; 
  
 (ii)
Indebtedness consisting of obligations under Synthetic Leases of the Borrower and its Subsidiaries; 
  
 (iii) Indebtedness secured by a Lien referred to in section 10.3(d) or 10.3(e); and 
  
 (iv) any refinancing, extension, renewal or refunding of any
such Indebtedness not involving an increase in the principal amount thereof or a reduction in the remaining weighted average life to maturity thereof (computed in accordance with standard financial practice); 
  
 provided that: (A) at the time of any incurrence thereof
after the date hereof, and after giving effect thereto, the Borrower would be in compliance with sections 10.7 and 10.8, and no Event of Default shall have occurred and be continuing or would result therefrom; and (B) the aggregate outstanding
principal amount (using Capitalized Lease Obligations in lieu of principal amount, in the case of any Capital Lease, and using the present value, based on the implicit interest rate, in lieu of principal amount, in the case of any Synthetic Lease)
of Indebtedness permitted by this clause (c), when taken together with any outstanding Indebtedness permitted by clause (b) above that is represented by a Capital Lease or a Synthetic Lease or that is secured by any Lien referred to in section
10.3(d) or (e), shall not exceed $5,000,000 at any time; 
  
 (d) Intercompany Debt: the following: (i) unsecured Indebtedness of the Borrower owed to any of its Subsidiaries, provided such Indebtedness constitutes Subordinated Indebtedness; and (ii) unsecured
Indebtedness of any of the Borrower’s Subsidiaries to the Borrower or to another Subsidiary of the Borrower, provided that in the case of this subclause (ii), after giving effect thereto, at least 60% of the Consolidated Total
Assets (exclusive of intercompany items) of the Borrower and the other Credit Parties are owned directly by the Borrower and the other Credit Parties and not indirectly through Subsidiaries that are not Credit Parties, with all such Indebtedness
being evidenced by an intercompany note, in form and substance satisfactory to the Administrative Agent, pledged to the Administrative Agent pursuant to the Pledge Agreement; 
  
 (e) Hedge Agreements: Indebtedness of the Borrower and its Subsidiaries under Hedge Agreements; and 
  
 (f) Guaranty Obligations: any Guaranty Obligations permitted by
section 10.5. 
  
 
11.5. Advances, Investments, Loans and Guaranty Obligations. The Borrower will not, and will not permit any of its Subsidiaries to: (i) lend money or credit or make advances to any person; (ii) purchase or
acquire any stock, obligations or securities of, or any other interest in, or make any capital contribution to, or other investment in, any person; (iii) create, acquire or hold any Subsidiary; (iv) be or become a party to any joint
venture, member of a limited liability company or partner of a partnership; or (v) be or become obligated under any Guaranty Obligations (other than those created in favor of the Lenders pursuant to the Credit Documents), except:

  
 (a) the Borrower or any of its Subsidiaries may invest
in cash and Cash Equivalents; 
  

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 (b) any endorsement of a check or other medium of payment for deposit or collection, or any
similar transaction in the normal course of business; 
  
 (c)
the Borrower and its Subsidiaries may acquire and hold receivables owing to them in the ordinary course of business and payable or dischargeable in accordance with customary trade terms; 
  
 (d) investments acquired by the Borrower or any of its Subsidiaries:
(i) in exchange for any other investment held by the Borrower or any such Subsidiary in connection with or as a result of a bankruptcy, workout, reorganization or recapitalization of the issuer of such other investment; or (ii) as a result
of a foreclosure by the Borrower or any of its Subsidiaries with respect to any secured investment or other transfer of title with respect to any secured investment in default; 
  
 (e) loans and advances to employees for business-related travel expenses, moving expenses, costs of replacement
homes, business machines or supplies, automobiles and other similar expenses, in each case incurred in the ordinary course of business, shall be permitted; 
  
 (f) to the extent not permitted by the foregoing clauses, the existing loans, advances, investments and guarantees described on Annex V hereto;

  
 (g) investments of the Borrower and its Subsidiaries in
Hedge Agreements; 
  
 (h) existing investments in any
Subsidiaries and any additional investments in any Wholly-Owned Subsidiary permitted by section 10.2(a) provided that the aggregate amount of investments made in any Foreign Subsidiary shall not exceed $5,000,000 at any time outstanding; 

 
 (i) intercompany loans and advances permitted by section 10.4(d);

  
 (j) the Acquisitions permitted by section 10.2 and
loans, advances and investments of any person that are outstanding at the time such person becomes a Subsidiary of the Borrower as a result of an Acquisition permitted by section 10.2, but not any increase in the amount thereof; 
  
 (k) any unsecured Guaranty Obligation incurred by the Borrower or any
Subsidiary with respect to (i) Indebtedness of a Wholly-Owned Subsidiary of the Borrower that is permitted under section 10.4 without restriction upon the ability of the Borrower or any Subsidiary to guarantee the same, or (ii) other
obligations of a Wholly-Owned Subsidiary of the Borrower that are not prohibited by this Agreement; provided that Subsidiary Guarantors may only issue Guaranty Obligations with respect to Indebtedness of another Subsidiary Guarantor; 
  
 (l) any other loans, advances, investments (whether in the form of
cash or contribution of property, and if in the form of a contribution of property, such property shall be valued for purposes of this clause at the fair value thereof as reasonably determined by the Borrower), in or to any corporation, partnership,
limited liability company, joint venture or other business entity, not otherwise permitted by the foregoing clauses (such loans, advances and investments, collectively, “Basket Investments”), provided that
(i) at the time of making any such Basket Investment no Event of Default shall have occurred and be continuing, or would result therefrom, and (ii) the maximum cumulative amount of Basket Investments that are so made and outstanding at any
time, taking into account the repayment of any loans or advances comprising such Basket Investments, shall not exceed an aggregate of $1,000,000 (exclusive of any accreted value); and 
  
 (m) non-cash consideration received by the Borrower in connection with a transaction permitted by section 10.2(d) so
long as the requirements of section 10.2(d) have been satisfied. 
  

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11.6. Dividends, etc. The Borrower will not: (i) directly or indirectly declare, order, pay or make any dividend (other than dividends payable solely in capital stock of the Borrower) or other distribution on or in
respect of any capital stock of any class of the Borrower, whether by reduction of capital or otherwise; or (ii) directly or indirectly make, or permit any of its Subsidiaries to directly or indirectly make, any purchase, redemption, retirement
or other acquisition of (x) any capital stock of any class of the Borrower (other than for a consideration consisting solely of capital stock of the same class of the Borrower), or (y) any warrants, rights or options to acquire or any
securities convertible into or exchangeable for any capital stock of the Borrower, except that the Borrower may make any purchase, redemption, retirement or other acquisition of its capital stock or make cash payments in respect of
dividends on its common stock if: 
  
 (a) no Default under
section 11.1(a) or Event of Default shall have occurred and be continuing at the time of declaration or payment thereof; 
  
 (b) after giving effect thereto the Borrower will be in compliance, on a pro forma basis, with sections 10.8, 10.9 and 10.10;

  
 (c) with respect to any purchase, redemption,
retirement or other acquisition of its capital stock, at the time of making any such purchase, redemption, retirement or other acquisition and after giving effect thereto, the cumulative aggregate amount does not exceed $10,000,000 over the life of
this Agreement; and 
  
 (d) with respect to dividends, at
the time of making any such dividend and after giving effect thereto, the cumulative aggregate amount of dividends paid and declared in any period of 12 consecutive months does not exceed $8,000,000. 
  
 
11.7. Asset Coverage Percentage. The Borrower will not at any time permit the sum of (a) 85% of Eligible Accounts Receivable plus (b) 50% of Eligible Inventory plus (c) 50% of
Eligible PP&E to be less than 125% of Consolidated Total Debt. 
  
 
11.8. Ratio of Consolidated Total Debt to Adjusted Consolidated EBITDA. The Borrower will not at any time permit the ratio of (x) the amount of its Consolidated Total Debt at such time to (y) its Adjusted
Consolidated EBITDA for its Testing Period most recently ended (i) as of the Closing Date through June 30, 2006, to exceed 4.00 to 1.00, (ii) as September 30, 2006, to exceed 3.75 to 1.00, and (iii) thereafter, to exceed
3.50 to 1.00. 
  
 
11.9. Fixed Charge Coverage Ratio. The Borrower will not at any time permit its Fixed Charge Coverage Ratio to be less than 1.10 to 1.00 for any Testing Period. 
  
 
11.10. Minimum Consolidated Net Worth. The Borrower’s Consolidated Net Worth at any time shall not be less than the sum of (i) $146,000,000 plus (ii) beginning with the fiscal quarter ending
December 31, 2005, 50% of Consolidated Net Income (to the extent a positive number) for such fiscal quarter and for each fiscal quarter thereafter. 
  
 
11.11. Prepayments and Refinancings of Other Debt, etc. The Borrower will not, and will not permit any of its Subsidiaries to, make (or give any notice in respect thereof) any voluntary or optional payment or prepayment
or redemption or acquisition for value of (including, without limitation, by way of depositing with the trustee with respect thereto money or securities before due for the purpose of paying when due) or exchange of, or refinance or refund, any
Indebtedness of the Borrower or its Subsidiaries having an outstanding principal balance (or Capitalized Lease Obligation, in the case of a Capital Lease, or present value, based on the implicit interest rate, in the case of any Synthetic Lease) in
excess of $5,000,000 (other than the Obligations and intercompany loans and advances among the 

  

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Borrower and its Subsidiaries); provided that the Borrower or any Subsidiary may refinance or refund any such Indebtedness if the aggregate
principal amount thereof (or Capitalized Lease Obligation, in the case of a Capital Lease, or present value, based on the implicit interest rate, in the case of any Synthetic Lease) is not increased and the weighted average life to maturity thereof
(computed in accordance with standard financial practice) is not reduced, and no Subsidiary which was not an original party thereto may become obligated thereunder. 
  
 
11.12. Limitation on Certain Restrictive Agreements. The Borrower will not, and will not permit any of its Subsidiaries to, directly or indirectly, enter into, incur or permit to exist or become effective, any agreement
or other arrangement that prohibits, restricts or imposes any condition upon: (a) the ability of the Borrower or any Subsidiary to create, incur or suffer to exist any Lien upon any of its property or assets as security for Indebtedness; or
(b) the ability of any such Subsidiary to pay dividends or make any other distributions on its capital stock or any other interest or participation in its profits owned by the Borrower or any Subsidiary of the Borrower, or pay any Indebtedness
owed to the Borrower or a Subsidiary of the Borrower, or to make loans or advances to the Borrower or any of the Borrower’s other Subsidiaries, or transfer any of its property or assets to the Borrower or any of the Borrower’s other
Subsidiaries, except for such restrictions existing under or by reason of (i) applicable law, (ii) this Agreement and the other Credit Documents, (iii) customary provisions restricting subletting or assignment of any
lease governing a leasehold interest, (iv) customary provisions restricting assignment of any licensing agreement entered into in the ordinary course of business, (v) customary provisions restricting the transfer or further encumbering of
assets subject to Liens permitted under section 10.3 (b), (c) or (d), (vi) restrictions contained in the Existing Indebtedness Agreements as in effect on the Closing Date (and similar restrictions governing any Indebtedness incurred in
connection with the refinancing of the Existing Indebtedness in compliance with section 10.3(b)(ii)), (vii) customary restrictions affecting only a Subsidiary of the Borrower under any agreement or instrument governing any of the Indebtedness
of a Subsidiary permitted pursuant to 10.4, (viii) any document relating to Indebtedness secured by a Lien permitted by section 10.3, insofar as the provisions thereof limit grants of junior liens on the assets securing such Indebtedness, and
(ix) any Operating Lease or Capital Lease, insofar as the provisions thereof limit grants of a security interest in, or other assignments of, the related leasehold interest to any other person. 
  
 
11.13. Transactions with Affiliates. The Borrower will not, and will not permit any Subsidiary to, enter into any transaction or series of transactions with any Affiliate (other than, in the case of the Borrower, any
Subsidiary, and in the case of a Subsidiary, the Borrower or another Subsidiary) other than in the ordinary course of business of and pursuant to the reasonable requirements of the Borrower’s or such Subsidiary’s business and upon fair and
reasonable terms no less favorable to the Borrower or such Subsidiary than would be obtained in a comparable arm’s-length transaction with a person other than an Affiliate, except (i) sales of goods to an Affiliate for use or
distribution outside the United States that in the good faith judgment of the Borrower complies with any applicable legal requirements of the Code, or (ii) agreements and transactions with and payments to officers, directors and shareholders
that are either (A) entered into in the ordinary course of business and not prohibited by any of the provisions of this Agreement, or (B) entered into outside the ordinary course of business, approved by the directors or shareholders of
the Borrower and not prohibited by any of the provisions of this Agreement. 
  
 
11.14. Plan Terminations, Minimum Funding, etc. The Borrower will not, and will not permit any ERISA Affiliate to: (i) terminate any Plan or plans so as to result in liability of the Borrower or any ERISA Affiliate
to the PBGC in excess of, in the aggregate, the amount that is equal to 5% of the Borrower’s Consolidated Net Worth as of the date of the then most recent financial statements furnished to the Lenders pursuant to the provisions of this
Agreement; (ii) permit to exist one or more events or conditions that reasonably present a material risk of the termination by the PBGC of any Plan or Plans with respect to which the Borrower or any ERISA Affiliate would, in the event of such
termination, incur liability to the PBGC in excess of such amount in the aggregate; or (iii) fail to comply with the minimum funding standards of ERISA and the Code with respect to any Plan. 
  

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SECTION 12. EVENTS OF DEFAULT. 
  
 
12.1. Events of Default. Any of the following specified events (each an “Event of Default”) shall constitute an Event of Default hereunder: 
  
 (a) Payments: the Borrower shall: (i) default in the payment
when due of any principal of the Loans; or (ii) default, and such default shall continue for five or more days, in the payment when due of any interest on the Loans or any Fees or any other amounts owing hereunder or under any other Credit
Document; or 
  
 (b) Representations, etc.: any
representation, warranty or statement made by the Borrower herein or in any other Credit Document or in any statement or certificate delivered or required to be delivered pursuant hereto or thereto shall prove to be untrue in any material respect on
the date as of that made or deemed made; or 
  
 (c) Certain
Covenants: the Borrower shall default in the due performance or observance by it of any term, covenant or agreement contained in section 9.1(f)(i), or sections 10.2 through 10.12, inclusive, of this Agreement; or 
  
 (d) Other Covenants: the Borrower shall default in the due performance
or observance by it of any term, covenant or agreement contained in this Agreement or any other Credit Document, other than those referred to in section 11.1(a) or (b) or (c) above, and such default is not remedied within 30 days after the
earlier of (i) an officer of the Borrower obtaining actual knowledge of such default and (ii) the Borrower receiving written notice of such default from the Administrative Agent or the Required Lenders (any such notice to be identified as
a “notice of default” and to refer specifically to this paragraph); or 
  
 (e) Cross Default Under Other Agreements: the Borrower or any of its Subsidiaries shall (i) default in any payment with respect to any Indebtedness (other than the Obligations) owed to any Lender or any of
its Affiliates, or having an unpaid principal amount of $2,500,000 or greater, and such default shall continue after the applicable grace period, if any, specified in the agreement or instrument relating to such Indebtedness, or (ii) default in
the observance or performance of any agreement or condition relating to any such Indebtedness or contained in any instrument or agreement evidencing, securing or relating thereto (and all grace periods applicable to such observance, performance or
condition shall have expired), or any other event shall occur or condition exist, the effect of which default or other event or condition is to cause, or to permit the holder or holders of such Indebtedness (or a trustee or agent on behalf of such
holder or holders) to cause any such Indebtedness to become due prior to its stated maturity; or any such Indebtedness of the Borrower or any of its Subsidiaries shall be declared to be due and payable, or shall be required to be prepaid (other than
by a regularly scheduled required prepayment or redemption, prior to the stated maturity thereof); or 
  
 (f) Other Credit Documents: the Subsidiary Guaranty or any other Credit Document shall cease for any reason (other than termination in accordance
with its terms) to be in full force and effect; or any Lien purported to be created with respect to any portion of the Collateral shall cease to be, or shall be asserted by any Credit Party not to be, a valid and perfected Lien on such Collateral;
or any Credit Party shall default in any payment obligation thereunder; or any Credit Party shall default in any respect in the due performance and observance of any other obligation thereunder and such default shall continue unremedied for a period
of at least 30 days; or any Credit Party shall (or seek to) disaffirm or otherwise limit its obligations thereunder otherwise than in strict compliance with the terms thereof; or 
  

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 (g) Judgments: one or more judgments or decrees shall be entered against the Borrower and/or any
of its Subsidiaries involving a liability (other than a liability covered by insurance, as to which the carrier has adequate claims paying ability and has not denied coverage or reserved its rights) equal to or more than $2,500,000 (in the aggregate
for all such judgments and decrees for the Borrower and its Subsidiaries) and any such judgments or decrees shall not have been vacated, discharged or stayed or bonded pending appeal within 30 days (or such longer period, not in excess of 60 days,
during which enforcement thereof, and the filing of any judgment lien, is effectively stayed or prohibited) from the entry thereof; or 
  
 (h) Bankruptcy, etc.: the Borrower or any of its Material Subsidiaries shall commence a voluntary case concerning itself under Title 11 of the
United States Code entitled “Bankruptcy,” as now or hereafter in effect, or any successor thereto (the “Bankruptcy Code”); or an involuntary case is commenced against the Borrower or any of its Material Subsidiaries
and the petition is not controverted within 10 days, or is not dismissed within 60 days, after commencement of the case; or a custodian (as defined in the Bankruptcy Code) is appointed for, or takes charge of, all or substantially all of the
property of the Borrower or any of its Material Subsidiaries; or the Borrower or any of its Material Subsidiaries commences (including by way of applying for or consenting to the appointment of, or the taking of possession by, a rehabilitator,
receiver, custodian, trustee, conservator or liquidator (collectively, a “conservator”) of itself or all or any substantial portion of its property) any other proceeding under any reorganization, arrangement, adjustment of
debt, relief of debtors, dissolution, insolvency, liquidation, rehabilitation, conservatorship or similar law of any jurisdiction whether now or hereafter in effect relating to the Borrower or any of its Material Subsidiaries; or any such proceeding
is commenced against the Borrower or any of its Material Subsidiaries to the extent such proceeding is consented to by such person or remains undismissed for a period of 60 days; or the Borrower or any of its Material Subsidiaries is adjudicated
insolvent or bankrupt; or any order of relief or other order approving any such case or proceeding is entered; or the Borrower or any of its Material Subsidiaries suffers any appointment of any conservator or the like for it or any substantial part
of its property that continues undischarged or unstayed for a period of 60 days; or the Borrower or any of its Material Subsidiaries makes a general assignment for the benefit of creditors; or any corporate (or similar organizational) action is
taken by the Borrower or any of its Material Subsidiaries for the purpose of effecting any of the foregoing; or 
  
 (i) ERISA: (i) any of the events described in clauses (i) through (viii) of section 9.1(g) shall have occurred; or (ii) there
shall result from any such event or events the imposition of a lien, the granting of a security interest, or a liability or a material risk of incurring a liability; and (iii) any such event or events or any such lien, security interest or
liability, individually, and/or in the aggregate, in the opinion of the Required Lenders, has had, or could reasonably be expected to have, a Material Adverse Effect; or 
  
 (j) Material Adverse Change: there occurs an event or series of events that could reasonably be expected to have a
Material Adverse Effect; or 
  
 (k) Change of Control:
there occurs a Change of Control. 
  
 
12.2. Acceleration, etc. Upon the occurrence of any Event of Default, and at any time thereafter, if any Event of Default shall then be continuing, the Administrative Agent shall, upon the written request of the
Required Lenders, by written notice to the Borrower, take any or all of the following actions, without prejudice to the rights of the Administrative Agent or any Lender to enforce its claims against the Borrower (provided that, if an
Event of Default specified in section 11.1(h) shall occur, the result that would occur upon the giving of written notice by the Administrative Agent as specified in clauses (i) and (ii) below shall occur automatically without the giving of
any such notice): (i) declare the Total Commitment terminated, whereupon the Commitment of each Lender shall forthwith terminate immediately without any other notice of any kind; (ii) declare the principal of and any accrued interest in
respect of all Loans, and all other Obligations owing hereunder and under the other Credit Documents to 

  

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be, whereupon the same shall become, forthwith due and payable without presentment, demand, protest or other notice of any kind, all of which are hereby
waived by the Borrower; and/or (iii) request that the Borrower shall pay, and the Borrower agrees that it shall pay if requested to do so by the Administrative Agent, to the Administrative Agent an amount in cash and/or Cash Equivalents equal
to 100% of the Letter of Credit Outstandings and the Administrative Agent shall hold such payment as security for the reimbursement obligations of the Borrower in respect of Letters of Credit pursuant to a cash collateral agreement to be entered
into in form and substance reasonably satisfactory to the Administrative Agent, each Letter of Credit Issuer and the Borrower (which shall permit certain investments in Cash Equivalents satisfactory to the Administrative Agent, each Letter of Credit
Issuer and the Borrower until the proceeds are applied to the secured obligations). 
  
 
12.3. Application of Liquidation Proceeds. All monies received by the Administrative Agent or any Lender from the exercise of remedies hereunder or under the other Credit Documents or under any other documents relating
to this Agreement shall, unless otherwise required by the terms of the other Credit Documents or by applicable law, be applied as follows: 
  
 (1) first, to the payment of all expenses (to the extent not paid by the Borrower) incurred by the Administrative
Agent and the Lenders in connection with the exercise of such remedies, including, without limitation, all reasonable costs and expenses of collection, attorneys’ fees, court costs and any foreclosure expenses; 
  
 (2) second, to the payment pro
rata of interest then accrued on the outstanding Loans; 
  
 (3) third, to the payment pro rata of any fees then accrued and payable to the Administrative Agent, the Collateral Agent, any Letter of Credit Issuer or any Lender under this
Agreement; 
  
 (4) fourth,
to the payment pro rata of (A) the principal balance then owing on the outstanding Loans, (B) the amounts then due under Hedge Agreements with any Lender as a counterparty (subject to confirmation by the Administrative Agent
of any calculations of termination or other payment amounts being made in accordance with normal industry practice), and (C) the Stated Amount of the Letter of Credit Outstandings (to be held and applied by the Collateral Agent as security for
the reimbursement obligations in respect thereof); 
  
 (5) fifth, to the payment pro rata of the amounts then due under Designated Hedge Agreements with a counterparty other than a Lender (subject to confirmation by the Administrative Agent of any calculations
of termination or other payment amounts being made in accordance with normal industry practice); 
  
 (6) sixth, to the payment to the Lenders of any amounts then accrued and unpaid under sections 2.10, 2.11, 3.5
and 6.4 hereof, and if such proceeds are insufficient to pay such amounts in full, to the payment of such amounts pro rata; 
  
 (7) seventh, to the payment pro rata of all other amounts owed by the Borrower to the Administrative
Agent, to the Collateral Agent, to any Letter of Credit Issuer, or any Lender under this Agreement or any other Credit Document, and to any counterparties under Designated Hedge Agreements of the Borrower, and if such proceeds are insufficient to
pay such amounts in full, to the payment of such amounts pro rata; and 
  
 (8) finally, any remaining surplus after all of the Obligations have been paid in full, to the Borrower or to
whomsoever shall be lawfully entitled thereto. 
  

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SECTION 13. THE ADMINISTRATIVE AGENT. 
  
 
13.1. Appointment. Each Lender hereby irrevocably designates and appoints NCB as Administrative Agent to act as specified herein and in the other Credit Documents, and each such Lender hereby irrevocably authorizes NCB
as the Administrative Agent for such Lender, to take such action on its behalf under the provisions of this Agreement and the other Credit Documents and to exercise such powers and perform such duties as are expressly delegated to the Administrative
Agent by the terms of this Agreement and the other Credit Documents, together with such other powers as are reasonably incidental thereto. The Administrative Agent agrees to act as such upon the express conditions contained in this section 12.
Notwithstanding any provision to the contrary elsewhere in this Agreement, the Administrative Agent shall not have any duties or responsibilities, except those expressly set forth herein or in the other Credit Documents, nor any fiduciary
relationship with any Lender, and no implied covenants, functions, responsibilities, duties, obligations or liabilities shall be read into this Agreement or otherwise exist against the Administrative Agent. The provisions of this section 12 are
solely for the benefit of the Administrative Agent, and the Lenders, and the Borrower and its Subsidiaries shall not have any rights as a third party beneficiary of any of the provisions hereof. In performing its functions and duties under this
Agreement, the Administrative Agent shall act solely as agent of the Lenders and does not assume and shall not be deemed to have assumed any obligation or relationship of agency or trust with or for the Borrower or any of its Subsidiaries.

  
 
13.2. Delegation of Duties. The Administrative Agent may execute any of its duties under this Agreement or any other Credit Document by or through agents or attorneys-in-fact and shall be entitled to advice of counsel
concerning all matters pertaining to such duties. The Administrative Agent shall not be responsible for the negligence or misconduct of any agents or attorneys-in-fact selected by it with reasonable care except to the extent otherwise required by
section 12.3. 
  
 
13.3. Exculpatory Provisions. Neither the Administrative Agent nor any of its respective officers, directors, employees, agents, attorneys-in-fact or affiliates shall be: (i) liable for any action lawfully taken or
omitted to be taken by it or such person under or in connection with this Agreement (except for its or such person’s own gross negligence or willful misconduct); or (ii) responsible in any manner to any of the Lenders for any recitals,
statements, representations or warranties made by the Borrower or of its Subsidiaries or any of their respective officers contained in this Agreement, any other Credit Document or in any certificate, report, statement or other document referred to
or provided for in, or received by the Administrative Agent under or in connection with, this Agreement or any other Credit Document or for any failure of the Borrower or any Subsidiary of the Borrower or any of their respective officers to perform
its obligations hereunder or thereunder. The Administrative Agent shall not be under any obligation to any Lender to ascertain or to inquire as to the observance or performance of any of the agreements contained in, or conditions of, this Agreement,
or to inspect the properties, books or records of the Borrower or any of its Subsidiaries. The Administrative Agent shall not be responsible to any Lender for the effectiveness, genuineness, validity, enforceability, collectibility or sufficiency of
this Agreement or any Credit Document or for any representations, warranties, recitals or statements made herein or therein or made in any written or oral statement or in any financial or other statements, instruments, reports, certificates or any
other documents in connection herewith or therewith furnished or made by the Administrative Agent to the Lenders or by or on behalf of the Borrower or any of its Subsidiaries to the Administrative Agent or any Lender or be required to ascertain or
inquire as to the performance or observance of any of the terms, conditions, provisions, covenants or agreements contained herein or therein or as to the use of the proceeds of the Loans or of the existence or possible existence of any Default or
Event of Default. 
  
 
13.4. Reliance by Administrative Agent. The Administrative Agent shall be entitled to rely, and shall be fully protected in relying, upon any note, writing, resolution, notice, consent, certificate, affidavit, letter,
cablegram, telegram, facsimile transmission, telex or teletype message, statement, order 

  

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or other document or conversation believed by it, in good faith, to be genuine and correct and to have been signed, sent or made by the proper person or
persons and upon advice and statements of legal counsel (including, without limitation, counsel to the Borrower or any of its Subsidiaries), independent accountants and other experts selected by the Administrative Agent. The Administrative Agent
shall be fully justified in failing or refusing to take any action under this Agreement or any other Credit Document unless it shall first receive such advice or concurrence of the Required Lenders as it deems appropriate or it shall first be
indemnified to its satisfaction by the Lenders against any and all liability and expense that may be incurred by it by reason of taking or continuing to take any such action. The Administrative Agent shall in all cases be fully protected in acting,
or in refraining from acting, under this Agreement and the other Credit Documents in accordance with a request of the Required Lenders (or all of the Lenders, as to any matter that, pursuant to section 13.12, can only be effectuated with the consent
of all Lenders), and such request and any action taken or failure to act pursuant thereto shall be binding upon all the Lenders. 
  
 
13.5. Notice of Default. The Administrative Agent shall not be deemed to have knowledge or notice of the occurrence of any Default or Event of Default hereunder unless the Administrative Agent has received notice from a
Lender or the Borrower referring to this Agreement, describing such Default or Event of Default and stating that such notice is a “notice of default.” In the event that the Administrative Agent receives such a notice, the Administrative
Agent shall give prompt notice thereof to the Lenders. The Administrative Agent shall take such action with respect to such Default or Event of Default as shall be reasonably directed by the Required Lenders, provided that unless and
until the Administrative Agent shall have received such directions, the Administrative Agent may (but shall not be obligated to) take such action, or refrain from taking such action, with respect to such Default or Event of Default as it shall deem
advisable in the best interests of the Lenders. 
  
 
13.6. Non-Reliance. Each Lender expressly acknowledges that neither the Administrative Agent nor any of its officers, directors, employees, agents, attorneys-in-fact or Affiliates have made any representations or
warranties to it and that no act by the Administrative Agent hereinafter taken, including any review of the affairs of the Borrower or any of its Subsidiaries, shall be deemed to constitute any representation or warranty by the Administrative Agent
to any Lender. Each Lender represents to the Administrative Agent that it has, independently and without reliance upon the Administrative Agent, or any other Lender, and based on such documents and information as it has deemed appropriate, made its
own appraisal of and investigation into the business, assets, operations, property, financial and other conditions, prospects and creditworthiness of the Borrower and its Subsidiaries and made its own decision to make its Loans hereunder and enter
into this Agreement. Each Lender also represents that it will, independently and without reliance upon the Administrative Agent, or any other Lender, and based on such documents and information as it shall deem appropriate at the time, continue to
make its own credit analysis, appraisals and decisions in taking or not taking action under this Agreement, and to make such investigation as it deems necessary to inform itself as to the business, assets, operations, property, financial and other
conditions, prospects and creditworthiness of the Borrower and its Subsidiaries. The Administrative Agent shall not have any duty or responsibility to provide any Lender with any credit or other information concerning the business, operations,
assets, property, financial and other conditions, prospects or creditworthiness of the Borrower or any of its Subsidiaries that may come into the possession of the Administrative Agent or any of its officers, directors, employees, agents,
attorneys-in-fact or Affiliates. 
  
 
13.7. Indemnification. The Lenders agree to indemnify the Administrative Agent in its capacity as such ratably according to their respective Loans and Unused General Revolving Commitments, from and against any and all
liabilities, obligations, losses, damages, penalties, actions, judgments, suits, costs, reasonable expenses or disbursements of any kind whatsoever that may at any time (including, without limitation, at any time following the payment of the
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incurred by or asserted against the Administrative Agent in its capacity as such in any way relating to or arising out of this Agreement or any other Credit
Document, or any documents contemplated by or referred to herein or the transactions contemplated hereby or any action taken or omitted to be taken by the Administrative Agent under or in connection with any of the foregoing, but only to the extent
that any of the foregoing is not paid by the Borrower, provided that no Lender shall be liable to the Administrative Agent for the payment of any portion of such liabilities, obligations, losses, damages, penalties, actions, judgments,
suits, costs, expenses or disbursements to the extent resulting solely from the Administrative Agent’s gross negligence or willful misconduct. If any indemnity furnished to the Administrative Agent for any purpose shall, in the opinion of the
Administrative Agent, be insufficient or become impaired, the Administrative Agent may call for additional indemnity and cease, or not commence, to do the acts indemnified against until such additional indemnity is furnished. The agreements in this
section 12.7 shall survive the payment of all Obligations. 
  
 
13.8. The Administrative Agent in Individual Capacity. The Administrative Agent and its Affiliates may make loans to, accept deposits from and generally engage in any kind of business with the Borrower, its Subsidiaries
and their Affiliates as though not acting as Administrative Agent hereunder. With respect to the Loans made by it and all Obligations owing to it, the Administrative Agent shall have the same rights and powers under this Agreement as any Lender and
may exercise the same as though it were not the Administrative Agent, and the terms “Lender” and “Lenders” shall include the Administrative Agent in its individual capacity. 
  
 
13.9. Successor Administrative Agent. The Administrative Agent may resign as the Administrative Agent upon not less than 30 Business Days’ notice to the Lenders and the Borrower. The Administrative Agent may be
removed as the Administrative Agent for cause upon not less than 30 Business Days’ notice to the Administrative Agent and the Borrower from the Required Lenders. The Required Lenders shall appoint from among the Lenders a successor
Administrative Agent for the Lenders, subject to prior approval by the Borrower if no Event of Default has occurred and is continuing (such approval not to be unreasonably withheld or delayed), whereupon such successor agent shall succeed to the
rights, powers and duties of the Administrative Agent, and the term “Administrative Agent” shall include such successor agent effective upon its appointment, and the resigning or removed Administrative Agent’s rights, powers and
duties as the Administrative Agent shall be terminated, without any other or further act or deed on the part of such former Administrative Agent or any of the parties to this Agreement. After the retiring or removed Administrative Agent’s
resignation or removal hereunder as the Administrative Agent, the provisions of this section 12 shall inure to its benefit as to any actions taken or omitted to be taken by it while it was Administrative Agent under this Agreement. 
  
 
13.10. Other Agents. Any Lender identified herein as a Co-Agent, Syndication Agent, Documentation Agent, Managing Agent, Manager or any other corresponding title, other than “Administrative Agent,” shall have
no right, power, obligation, liability, responsibility or duty under this Agreement or any other Credit Document except those applicable to all Lenders as such. Each Lender acknowledges that it has not relied, and will not rely, on any Lender so
identified in deciding to enter into this Agreement or in taking or not taking any action hereunder. 
  
 
SECTION 14. MISCELLANEOUS. 
  
 
14.1. Payment of Expenses etc. (a) Whether or not the transactions contemplated hereby are consummated, the Borrower agrees to pay (or reimburse the Administrative Agent for) all reasonable out-of-pocket
costs and expenses of the Administrative Agent in connection with the negotiation, preparation, execution and delivery of the Credit Documents and the documents and instruments referred to therein, including, without limitation, the reasonable fees
and disbursements of Jones Day, special counsel to the Administrative Agent. 
  

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 (b) The Borrower agrees to pay (or reimburse the Administrative Agent and its Affiliates for) all
reasonable out-of-pocket costs and expenses of any Agent or any of its Affiliates in connection with any amendment, waiver or consent relating to any of the Credit Documents that is requested by the Borrower, including, without limitation, the
reasonable fees and disbursements of Jones Day, special counsel to the Administrative Agent. 
  
 (c) The Borrower agrees to pay (or reimburse the Administrative Agent, the Lenders and their Affiliates for) all reasonable out-of-pocket costs and expenses of the Administrative Agent, the Lenders and their
Affiliates in connection with the enforcement against the Borrower of any of the Credit Documents or the other documents and instruments referred to therein, including, without limitation, (i) the reasonable fees and disbursements of Jones Day,
special counsel to the Administrative Agent, and (ii) the reasonable fees and disbursements of any individual counsel to any Lender (including allocated costs of internal counsel). 
  
 (d) Without limitation of the preceding section 13.1(c), in the event of the bankruptcy, insolvency, rehabilitation
or other similar proceeding in respect of the Borrower, the Borrower agrees to pay all costs of collection and defense, including reasonable attorneys’ fees in connection therewith and in connection with any appellate proceeding or
post-judgment action involved therein, that shall be due and payable together with all required service or use taxes. 
  
 (e) The Borrower agrees to pay and hold the Administrative Agent and each of the Lenders harmless from and against any and all present and future
stamp and other similar taxes with respect to the foregoing matters and save the Administrative Agent and each of the Lenders harmless from and against any and all liabilities with respect to or resulting from any delay or omission (other than to
the extent attributable to any such indemnified person) to pay such taxes. 
  
 (f) The Borrower agrees to indemnify the Administrative Agent, each Lender, and their respective officers, directors, trustees, employees, representatives, agents and Affiliates, and the successors and assigns
of any of the foregoing (collectively, the “Indemnities”) from and hold each of them harmless against any and all losses, liabilities, claims, damages or expenses reasonably incurred by any of them as a result of, or arising
out of, or in any way related to, or by reason of: 
  
 (i) any investigation, litigation or other proceeding (whether or not any Lender is a party thereto) related to the entering into and/or performance of any Credit Document or the use of the proceeds of any Loans hereunder or the
consummation of any transactions contemplated in any Credit Document, other than any such investigation, litigation or proceeding arising out of transactions solely between any of the Lenders or the Administrative Agent, transactions solely
involving the assignment by a Lender of all or a portion of its Loans and Commitments, or the granting of participations therein, as provided in this Agreement, or arising solely out of any examination of a Lender by any regulatory or other
governmental authority having jurisdiction over it; or 
  
 (ii) the actual or alleged presence of Hazardous Materials in the air, surface water or groundwater or on the surface or subsurface of any Real Property owned, leased or at any time operated by the Borrower or any of its past or then
current Subsidiaries or Affiliates or any of their predecessors in interest, the release, generation, storage, transportation, handling or disposal of Hazardous Materials at any location, whether or not owned or operated by the Borrower or any of
its past or current Subsidiaries or any of their respective Affiliates or any of their predecessors in interest, if the Borrower or any such Subsidiary or Affiliate could have or is alleged to have any responsibility in respect thereof, the
non-compliance of any such Real Property with foreign, federal, state and local laws, regulations and ordinances (including applicable permits thereunder) applicable thereto, or any Environmental Claim asserted against the Borrower or any of its
Subsidiaries or any of their respective Affiliates, in respect of any such Real Property, 
  

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 including, in each case, without limitation, the reasonable documented fees and disbursements of counsel incurred in
connection with any such investigation, litigation or other proceeding (but excluding any such losses, liabilities, claims, damages or expenses to the extent incurred by reason of the gross negligence or willful misconduct of the person to be
indemnified or of any other Indemnitee who is such person or an Affiliate of such person). To the extent that the undertaking to indemnify, pay or hold harmless any person set forth in the preceding sentence may be unenforceable because it is
violative of any law or public policy, the Borrower shall make the maximum contribution to the payment and satisfaction of each of the indemnified liabilities that is permissible under applicable law. 
  
 
14.2. Right of Setoff. In addition to any rights now or hereafter granted under applicable law or otherwise, and not by way of limitation of any such rights, upon the maturity or the acceleration of the Loans, each
Lender is hereby authorized at any time or from time to time, without presentment, demand, protest or other notice of any kind to the Borrower or to any other person, any such notice being hereby expressly waived, to set off and to appropriate and
apply any and all deposits (general or special) and any other Indebtedness at any time held or owing by such Lender (including, without limitation, by branches and agencies of such Lender wherever located) to or for the credit or the account of the
Borrower against and on account of the Obligations and liabilities of the Borrower to such Lender under this Agreement or under any of the other Credit Documents, including, without limitation, all interests in Obligations of the Borrower purchased
by such Lender pursuant to section 13.4(b), and all other claims of any nature or description arising out of or connected with this Agreement or any other Credit Document, irrespective of whether or not such Lender shall have made any demand
hereunder and although said Obligations, liabilities or claims, or any of them, shall be contingent or unmatured. 
  
 
14.3. Notices. Except as otherwise expressly provided herein, all notices and other communications provided for hereunder shall be in writing (including telegraphic, telex, facsimile transmission, e-mail transmission or
cable communication) and mailed, telegraphed, telexed, transmitted, cabled or delivered, if to the Borrower, at 500 Calgon Carbon Drive, Pittsburgh, Pennsylvania 15205, attention: Daniel W. Sullivan, Treasurer (facsimile: (412) 787-6313 and
(412) 787-4751); if to any Lender at its address specified for such Lender on Annex I hereto; if to the Administrative Agent, at 20 Stanwix Avenue, Pittsburgh, Pennsylvania 15219, attention: Lawrence Deihle, Vice President (facsimile:
(412) 471-4883); or at such other address as shall be designated by any party in a written notice to the other parties hereto. All such notices and communications shall be mailed, telegraphed, telexed, telecopied, transmitted or cabled or sent
by overnight courier, and shall be effective when received. 
  
 
14.4. Benefit of Agreement. (a) Successors and Assigns Generally. This Agreement shall be binding upon and inure to the benefit of and be enforceable by the parties hereto and their respective successors and
assigns, provided that the Borrower may not assign or transfer any of its rights or obligations hereunder without the prior written consent of all the Lenders (other than any Defaulting Lender), and, provided, further,
that any assignment by a Lender of its rights and obligations hereunder shall be effected in accordance with section 13.4(c). 
  
 (b) Participations. Notwithstanding the foregoing, each Lender may at any time grant participations in any of its rights hereunder or under any of
the Notes to (x) an Affiliate of such Lender that is a commercial bank, financial institution or other “accredited investor” (as defined in SEC Regulation D), (y) another Lender that is not a Defaulting Lender, or (z) one or
more Eligible Transferees, provided that in the case of any such participation: 
  
 (i) the participant shall not have any rights under this Agreement or any of the other Credit Documents, including rights of consent,
approval or waiver (the participant’s rights against such Lender in respect of such participation to be those set forth in the agreement executed by such Lender in favor of the participant relating thereto); 
  

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 (ii) such Lender’s obligations under this Agreement (including, without limitation,
its Commitment hereunder) shall remain unchanged; 
  
 (iii) such Lender shall remain solely responsible to the other parties hereto for the performance of such obligations; 
  
 (iv) such Lender shall remain the holder of any Note for all purposes of this Agreement; and 
  
 (v) the Borrower, the Administrative Agent, and the other
Lenders shall continue to deal solely and directly with the selling Lender in connection with such Lender’s rights and obligations under this Agreement, and all amounts payable by the Borrower hereunder shall be determined as if such Lender had
not sold such participation, except that the participant shall be entitled to the benefits of sections 2.10 and 2.11 of this Agreement to the extent that such Lender would be entitled to such benefits if the participation had not been entered into
or sold; 
  
 and, provided further, that no Lender shall transfer,
grant or sell any participation under which the participant shall have rights to approve any amendment to or waiver of this Agreement or any other Credit Document except to the extent such amendment or waiver would (x) extend any final date on
or by which any Loan in which such participant is participating may be incurred, or on which any such Loan is scheduled to be repaid or mature, or extend any final date on which any Commitment in which such participant is participating is scheduled
to expire or terminate, or reduce the rate of interest or Fees thereon (except in connection with a waiver of the applicability of any post-default increase in interest rates), or reduce the principal amount thereof, or increase such
participant’s participating interest in any Commitment over the amount thereof then in effect (it being understood that a waiver of any Default or Event of Default shall not constitute a change in the terms of any such Commitment), or
(y) consent to the assignment or transfer by the Borrower of any of its rights and obligations under this Agreement. 
  
 (c) Assignments by Lenders. Notwithstanding the foregoing, (x) any Lender may assign all or a fixed portion of its Loans and/or Commitment,
and its rights and obligations hereunder, to another Lender that is not a Defaulting Lender, or to an Affiliate of any Lender (including itself) that is not a Defaulting Lender and that is a commercial bank, financial institution or other
“accredited investor” (as defined in SEC Regulation D), and (y) any Lender may assign all, or if less than all, a fixed portion, equal to at least $1,000,000 (or, in the case of the first sixty days following the Closing Date, equal
to at least $500,000 and in $100,000 increments thereto) in the aggregate for the assigning Lender or assigning Lenders, of its Loans and/or Commitment and its rights and obligations hereunder, to one or more Eligible Transferees, each of which
assignees shall become a party to this Agreement as a Lender by execution of an Assignment Agreement, provided that: 
  
 (i) in the case of any assignment of a portion of any Loans and/or Commitment of a Lender, such Lender shall retain a minimum fixed
portion of all Loans and Commitments equal to at least $5,000,000; 
  
 (ii) the Swing Line Lender may only assign its Swing Line Revolving Commitment and its Swing Line Revolving Loans as an entirety and only if the assignee thereof is or becomes a Lender with a General Revolving
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 (iii) at the time of any such assignment the Lender Register shall be deemed modified to
reflect the Commitments of such new Lender and of the existing Lenders; 
  
 (iv) upon surrender of the old Notes, new Notes will be issued to such new Lender and to the assigning Lender, such new Notes to be in conformity with the requirements of section 2.6 (with appropriate modifications)
to the extent needed to reflect the revised Commitments; 
  
 (v) in the case of clause (y) only, the consent of the Administrative Agent shall be required in connection with any such assignment (which consent shall not be unreasonably withheld or delayed); 
  
 (vi) the Administrative Agent shall receive at the time of
each such assignment, from the assigning or assignee Lender, the payment of a non-refundable assignment fee of $3,500; and 
  
 (vii) the Administrative Agent and, so long as no Event of Default shall have occurred and be continuing, the Borrower consent to such
assignment, which consent shall not be unreasonably withheld; 
  
 and,
provided further, that such transfer or assignment will not be effective until the Assignment Agreement in respect thereof is recorded by the Administrative Agent on the Lender Register maintained by it as provided herein. 

 
 To the extent of any assignment pursuant to this section 13.4(c), the
assigning Lender shall be relieved of its obligations hereunder with respect to its assigned Commitments. 
  
 At the time of each assignment pursuant to this section 13.4(c) to a person that is not already a Lender hereunder and that is not a United States person
(as such term is defined in section 7701(a)(30) of the Code) for Federal income tax purposes, the respective assignee Lender shall provide to the Borrower and the Administrative Agent the appropriate Internal Revenue Service Forms (and, if
applicable a section 6.4(b)(ii) Certificate) described in section 6.4(b). To the extent that an assignment of all or any portion of a Lender’s Commitment and related outstanding Obligations pursuant to this section 13.4(c) would, at the
time of such assignment, result in increased costs under section 2.10 from those being charged by the respective assigning Lender prior to such assignment, then the Borrower shall not be obligated to pay such increased costs (although the Borrower
shall be obligated to pay any other increased costs of the type referred to above in this sentence resulting from changes after the date of the respective assignment). 
  
 Nothing in this section 13.4(c) shall prevent or prohibit: (i) any Lender that is a bank, trust company or other
financial institution from pledging its Notes or Loans to a Federal Reserve Bank in support of borrowings made by such Lender from such Federal Reserve Bank; or (ii) any Lender that is a trust, limited liability company, partnership or other
investment company from pledging its Notes or Loans to a trustee or agent for the benefit of holders of certificates or debt securities issued by it. No such pledge, or any assignment pursuant to or in lieu of an enforcement of such a pledge, shall
relieve the transferor Lender from its obligations hereunder. 
  
 (d) No SEC Registration or Blue Sky Compliance. Notwithstanding any other provisions of this section 13.4, no transfer or assignment of the interests or obligations of any Lender hereunder or any grant of participation therein shall
be permitted if such transfer, assignment or grant would require the Borrower to file a registration statement with the SEC or to qualify the Loans under the “Blue Sky” laws of any State. 
  

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 (e) Representations of Lenders. Each Lender initially party to this Agreement hereby represents,
and each person that became a Lender pursuant to an assignment permitted by this section 13.4 will, upon its becoming party to this Agreement, represent that it is a commercial lender, other financial institution or other “accredited”
investor (as defined in SEC Regulation D) that makes or acquires loans in the ordinary course of its business and that it will make or acquire Loans for its own account in the ordinary course of such business, provided that subject to
the preceding sections 13.4(b) and (c), the disposition of any promissory notes or other evidences of or interests in Indebtedness held by such Lender shall at all times be within its exclusive control. 
  
 (f) Grants by Lenders to SPCs. Notwithstanding anything to the
contrary contained herein, any Lender, (a “Granting Lender”) may grant to a special purpose funding vehicle (an “SPC”), identified as such in writing from time to time by the Granting Lender to the
Administrative Agent, the Borrower and the other Lenders, the option to provide to the Borrower all or any part of any Loan that such Granting Lender would otherwise be obligated to make to the Borrower pursuant to this Agreement;
provided that (i) nothing herein shall constitute a commitment by any SPC to make any Loan, and (ii) if an SPC elects not to exercise such option or otherwise fails to provide all or any part of such Loan, the Granting Lender
shall be obligated to make such Loan pursuant to the terms hereof. The making of a Loan by an SPC hereunder shall utilize the Commitment of the Granting Lender to the same extent, and as if, such Loan were made by such Granting Lender. Each party
hereto hereby agrees that no SPC shall be liable for any indemnity or payment under this Agreement for which a Lender would otherwise be liable for so long as, and to the extent, the Granting Lender provides such indemnity or makes such payment. In
furtherance of the foregoing, each party hereto hereby agrees (which agreement shall survive the termination of this Agreement) that, prior to the date that is one year and one day after the payment in full of all outstanding commercial paper or
other senior indebtedness of any SPC, it will not institute against, or join any other person in instituting against, such SPC any bankruptcy, reorganization, arrangement, insolvency or liquidation proceedings under the laws of the United States or
any State thereof. In addition, notwithstanding anything to the contrary contained in this section 13.4, any SPC may (i) with notice to, but without the prior written consent of, the Borrower and the Administrative Agent and without paying any
processing fee therefor, assign all or a portion of its interests in any Loans to the Granting Lender or to any financial institutions providing liquidity and/or credit support to or for the account of such SPC to support the funding or maintenance
of Loans and (ii) disclose on a confidential basis any non-public information relating to its Loans to any rating agency, commercial paper dealer or provider of any surety, guarantee or credit or liquidity enhancements to such SPC. In no event
shall the Borrower be obligated to pay to an SPC that has made a Loan any greater amount than the Borrower would have been obligated to pay under this Agreement had the applicable Granting Lender made such Loan. This section 13.4(f) may not be
amended without the written consent of any Granting Lender affected thereby. 
  
 
14.5. No Waiver: Remedies Cumulative. No failure or delay on the part of the Administrative Agent or any Lender in exercising any right, power or privilege hereunder or under any other Credit Document and no course of
dealing between the Borrower and the Administrative Agent or any Lender shall operate as a waiver thereof, nor shall any single or partial exercise of any right, power or privilege hereunder or under any other Credit Document preclude any other or
further exercise thereof or the exercise of any other right, power or privilege hereunder or thereunder. The rights and remedies herein expressly provided are cumulative and not exclusive of any rights or remedies that the Administrative Agent or
any Lender would otherwise have. No notice to or demand on the Borrower in any case shall entitle the Borrower to any other or further notice or demand in similar or other circumstances or constitute a waiver of the rights of the Administrative
Agent or any Lender to any other or further action in any circumstances without notice or demand. 
  

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14.6. Payments Pro Rata. (a) The Administrative Agent agrees that promptly after its receipt of each payment from or on behalf of the Borrower in respect of any Obligations, it shall distribute such payment
to the Lenders (other than any Lender that has expressly waived in writing its right to receive its pro rata share thereof) pro rata based upon their respective shares, if any, of the Obligations with respect to which
such payment was received. As to any such payment received by the Administrative Agent prior to 1:00 P.M. (local time at its Payment Office) in funds that are immediately available on such day, the Administrative Agent will use all reasonable
efforts to distribute such payment in immediately available funds on the same day to the Lenders as aforesaid. 
  
 (b) Each of the Lenders agrees that, if it should receive any amount hereunder (whether by voluntary payment, by realization upon security, by the
exercise of the right of setoff or banker’s lien, by counterclaim or cross action, by the enforcement of any right under the Credit Documents, or otherwise) that is applicable to the payment of the principal of, or interest on, the Loans or
Fees, of a sum that with respect to the related sum or sums received by other Lenders is in a greater proportion than the total of such Obligation then owed and due to such Lender bears to the total of such Obligation then owed and due to all of the
Lenders immediately prior to such receipt, then such Lender receiving such excess payment shall purchase for cash without recourse or warranty from the other Lenders an interest in the Obligations to such Lenders in such amount as shall result in a
proportional participation by all of the Lenders in such amount, provided that if all or any portion of such excess amount is thereafter recovered from such Lender, such purchase shall be rescinded and the purchase price restored to
the extent of such recovery, but without interest. 
  
 (c)
Notwithstanding anything to the contrary contained herein, the provisions of the preceding sections 13.6(a) and (b) shall be subject to the express provisions of this Agreement that require, or permit, differing payments to be made to
Lenders that are not Defaulting Lenders, as opposed to Defaulting Lenders. 
  
 
14.7. Calculations: Computations. (a) The financial statements to be furnished to the Lenders pursuant hereto shall be made and prepared in accordance with GAAP consistently applied throughout the periods
involved (except as set forth in the notes thereto or as otherwise disclosed in writing by the Borrower to the Lenders); provided, that if at any time the computations determining compliance with section 10 utilize accounting
principles different from those utilized in the financial statements furnished to the Lenders, such computations shall set forth in reasonable detail a description of the differences and the effect upon such computations. 
  
 (b) All computations of interest on Prime Rate Loans and Eurodollar
Loans hereunder and all computations of Facility Fees and other Fees hereunder shall be made on the actual number of days elapsed over a year of 360 days. 
  
 
14.8. Governing Law; Submission to Jurisdiction; Venue; Waiver of Jury Trial. (a) THIS AGREEMENT AND THE OTHER CREDIT DOCUMENTS AND THE RIGHTS AND OBLIGATIONS OF THE PARTIES HEREUNDER AND THEREUNDER SHALL BE
CONSTRUED IN ACCORDANCE WITH AND BE GOVERNED BY THE LAW OF THE COMMONWEALTH OF PENNSYLVANIA. TO THE FULLEST EXTENT PERMITTED BY LAW, THE BORROWER HEREBY UNCONDITIONALLY AND IRREVOCABLY WAIVES ANY CLAIM TO ASSERT THAT THE LAW OF ANY JURISDICTION
OTHER THAN THE COMMONWEALTH OF PENNSYLVANIA GOVERNS THIS AGREEMENT OR ANY OF THE OTHER CREDIT DOCUMENTS. Any legal action or proceeding with respect to this Agreement or any other Credit Document may be brought in the Courts of the Commonwealth of
Pennsylvania, or of the United States for the Western District of Pennsylvania, and, by execution and delivery of this Agreement, the Borrower hereby irrevocably accepts for itself and in respect of its property, generally and unconditionally, the
jurisdiction of the aforesaid courts. The Borrower hereby further irrevocably consents to the service of 

  

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process out of any of the aforementioned courts in any such action or proceeding by the mailing of copies thereof by registered or certified mail, postage
prepaid, to the Borrower at its address for notices pursuant to section 13.3, such service to become effective 30 days after such mailing or at such earlier time as may be provided under applicable law. Nothing herein shall affect the right of the
Administrative Agent or any Lender to serve process in any other manner permitted by law or to commence legal proceedings or otherwise proceed against the Borrower in any other jurisdiction. 
  
 (b) The Borrower hereby irrevocably waives any objection that it may
now or hereafter have to the laying of venue of any of the aforesaid actions or proceedings arising out of or in connection with this Agreement or any other Credit Document brought in the courts referred to in section 13.8(a) above and hereby
further irrevocably waives and agrees not to plead or claim in any such court that any such action or proceeding brought in any such court has been brought in an inconvenient forum. 
  
 (c) EACH OF THE PARTIES TO THIS AGREEMENT HEREBY IRREVOCABLY WAIVES ALL RIGHT TO A TRIAL BY JURY IN ANY ACTION,
PROCEEDING OR COUNTERCLAIM ARISING OUT OF OR RELATING TO THIS AGREEMENT OR ANY OF THE OTHER CREDIT DOCUMENTS (INCLUDING, WITHOUT LIMITATION, ANY AMENDMENTS, WAIVERS OR OTHER MODIFICATIONS RELATING TO ANY OF THE FOREGOING), OR THE TRANSACTIONS
CONTEMPLATED HEREBY OR THEREBY. EACH PARTY HERETO HEREBY (A) CERTIFIES THAT NO REPRESENTATIVE, AGENT OR ATTORNEY OF ANY OTHER PARTY HAS REPRESENTED, EXPRESSLY OR OTHERWISE, THAT SUCH OTHER PARTY WOULD NOT, IN THE EVENT OF LITIGATION, SEEK TO
ENFORCE THE FOREGOING WAIVER, AND (B) ACKNOWLEDGES THAT IT AND THE OTHER PARTIES HERETO HAVE BEEN INDUCED TO ENTER INTO THIS AGREEMENT BY, AMONG OTHER THINGS, THE MUTUAL WAIVERS AND CERTIFICATIONS IN THIS PARAGRAPH. 
  
 
14.9. Counterparts. This Agreement may be executed in any number of counterparts and by the different parties hereto on separate counterparts, each of which when so executed and delivered shall be an original, but all
of which shall together constitute one and the same agreement. A set of counterparts executed by all the parties hereto shall be lodged with the Borrower and the Administrative Agent. 
  
 
14.10. Effectiveness; Integration. This Agreement shall become effective on the date (the “Effective Date”) on which the Borrower and each of the Lenders shall have signed a copy hereof (whether
the same or different copies) and shall have delivered the same to the Administrative Agent at the Notice Office of the Administrative Agent or, in the case of the Lenders, shall have given to the Administrative Agent telephonic (confirmed in
writing), written telex or facsimile transmission notice (actually received) at such office that the same has been signed and mailed or sent by overnight courier to it. This Agreement, the other Credit Documents and any separate letter agreements
with respect to fees payable to the Administrative Agent, for its own account and benefit and/or for the account, benefit of, and distribution to, the Lenders, constitute the entire contract among the parties relating to the subject matter hereof
and thereof and supersede any and all previous agreements and understandings, oral or written, relating to the subject matter hereof or thereof. 
  
 
14.11. Headings Descriptive. The headings of the several sections and other portions of this Agreement are inserted for convenience only and shall not in any way affect the meaning or construction of any provision of
this Agreement. 
  

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14.12. Amendment or Waiver. Neither this Agreement nor any terms hereof or thereof may be amended, waived or otherwise modified unless such amendment, waiver or other modification is in writing and signed
by the Borrower and the Required Lenders, provided that no such amendment, waiver or other modification shall, without the consent of each Lender affected thereby: 
  
 (a) extend any final date on or by which any Loan to be made by such Lender may be incurred, or on which any such
Loan is scheduled to be repaid (but not prepaid) or mature, or extend any date on or by which any interest or fees payable hereunder are scheduled to be paid, or extend any final date on which any Commitment of such Lender is scheduled to expire or
terminate or increase any such Lender’s General Revolving Commitment or extend the expiration date of any Letter of Credit as to which such Lender is a Participant pursuant to section 3.4 beyond the latest expiration date for a Letter of Credit
provided for herein, or reduce the rate of interest or Fees thereon (except in connection with a waiver of the applicability of any post-default increase in interest rates), or reduce the principal amount thereof. 
  
 (b) amend, modify or waive any provision of this section 13.12, or
section 12.7, 13.4, 13.6 or 13.7(b), or any other provision of any of the Credit Documents pursuant to which the consent or approval of all Lenders is by the terms of such provision explicitly required; 
  
 (c) reduce the percentage specified in, or otherwise modify, the
definition of Required Lenders; 
  
 (d) release any
Material Subsidiary from the Subsidiary Guaranty or release all or substantially all of the Collateral; or 
  
 (e) consent to the assignment or transfer by the Borrower of any of its rights and obligations under this Agreement. 
  
 In the event that in connection with any proposed amendment, modification,
termination, waiver or consent with resect to any of the provisions hereof, the consent of one or more Lenders (each a “Non-Consenting Lender”) shall not have been obtained, then, with respect to each such Non-Consenting
Lender (the “Terminated Lender”), the Borrower may, by giving written notice to Administrative Agent and any Terminated Lender of its election to do so, elect to cause such Terminated Lender (and such Terminated Lender hereby
irrevocably agrees) to assign its outstanding Loans and its Commitments in full to one or more eligible assignees (each a “Replacement Lender”) in accordance with the provisions of Section 13.4 and the Borrower shall pay
any fees payable thereunder in connection with such assignment; provided, (1) on the date of such assignment, the Replacement Lender shall pay to Terminated Lender an amount equal to the sum of (A) an amount equal to the principal
of, and all accrued interest on, all outstanding Loans of the Terminated Lender, (B) an amount equal to all unreimbursed drawings that have been funded by such Terminated Lender, together with all then unpaid interest with respect thereto at
such time and (C) an amount equal to all accrued, but theretofore unpaid fees owing to such Terminated Lender pursuant to section 4; (2) on the date of such assignment, the Borrower shall pay any amounts payable to such Terminated
Lender pursuant to section 2.11, or otherwise as if it were a prepayment and (3) each Replacement Lender shall consent, at the time of such assignment, to each matter in respect of which such Terminated Lender was a Non-Consenting Lender;
provided, the Borrower may not make such election with respect to any Terminated Lender that is also a Letter of Credit Issuer unless, prior to the effectiveness of such election, the Borrower shall have caused each outstanding Letter
of Credit issued by such Terminated Lender to be cancelled. Upon the prepayment of all amounts owing to any Terminated Lender and the termination of such Terminated Lender’s General Revolving Commitments, if any, such Terminated Lender shall no
longer constitute a “Lender” for purposes hereof; provided, any rights of such Terminated Lender to indemnification hereunder shall survive as to such Terminated Lender. 
  
 No provision of section 12 may be amended without the consent of the
Administrative Agent. 
  
 
14.13. Survival. All indemnities set forth herein including, without limitation, in section 2.10, 2.11, 12.7 and 13.1, shall survive the execution and delivery of this Agreement and the making, prepayment and repayment
of Loans. 
  

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14.14. Domicile of Loans. Each Lender may transfer and carry its Loans at, to or for the account of any branch office, subsidiary or affiliate of such Lender, provided that no Borrower shall be responsible
for costs arising under section 2.10 resulting from any such transfer (other than a transfer pursuant to section 2.12) to the extent not otherwise applicable to such Lender prior to such transfer. 
  
 
14.15. Confidentiality. (a) The Administrative Agent and the Lenders agrees to maintain the confidentiality of the Confidential Information (as defined below), except that Confidential
Information may be disclosed: (i) to its and its Affiliates’ directors, officers, employees and agents, including accountants, legal counsel and other advisors (it being understood that the persons to whom such disclosure is made will be
informed of the confidential nature of such Confidential Information and instructed to keep such Confidential Information confidential); (ii) to any direct or indirect contractual counterparty in any swap, hedge or similar agreement (or to any
such contractual counterparty’s professional advisor, so long as such contractual counterparty (or such professional advisor) agrees to be bound by the provisions of this section 13.15; (iii) to the extent requested by any regulatory
authority; (iv) to the extent required by applicable laws or regulations or by any subpoena or similar legal process; (v) to any other party to this Agreement; (vi) in connection with the exercise of any remedies hereunder or under
any of the other Credit Documents, or any suit, action or proceeding relating to this Agreement or any of the other Credit Documents or the enforcement of rights hereunder or thereunder; (vii) subject to an agreement containing provisions
substantially the same as those of this section 13.15, to any assignee of or participant in, or any prospective assignee of or participant in, any of its rights or obligations under this Agreement; (viii) with the consent of the Borrower; or
(ix) to the extent such Confidential Information (x) becomes publicly available other than as a result of a breach of this section 13.15, or (y) becomes available to the Administrative Agent or any Lender on a nonconfidential basis
from a source other than the Borrower. 
  
 (b) For the
purposes of this section 13.15, “Confidential Information” means all information received from the Borrower relating to the Borrower and/or its Subsidiaries or their business, other than any such information that is
(i) identified at the time of delivery as non-confidential, or (ii) available to the Administrative Agent or any Lender on a nonconfidential basis prior to disclosure by the Borrower. 
  
 (c) Any person required to maintain the confidentiality of
Confidential Information as provided in this section 13.15 shall be considered to have complied with its obligation to do so if such person has exercised the same degree of care to maintain the confidentiality of such Confidential Information as
such person would accord to its own confidential information. The Borrower hereby agrees that the failure of the Administrative Agent or any Lender to comply with the provisions of this section 13.15 shall not relieve the Borrower of any of its
obligations under this Agreement or any of the other Credit Documents. 
  
 
14.16. Lender Register. The Borrower hereby designates the Administrative Agent to serve as its agent, solely for purposes of this section 13.16, to retain a copy of each Assignment Agreement delivered to and accepted
by it and to maintain a register (the “Lender Register”) on or in which it will record the names and addresses of the Lenders, and the Commitments from time to time of each of such Lenders to the Borrower, the Loans made to
the Borrower by each of such Lenders and each repayment and prepayment in respect of the principal amount of such Loans of each such Lender. Failure to make any such recordation, or (absent manifest error) any error in such recordation, shall not
affect the Borrower’s obligations in respect of such Loans. With respect to any Lender, the transfer of any Commitment of such Lender and the rights to the principal of, and interest on, any Loan made pursuant to such Commitment shall not be
effective until such transfer is recorded on the Lender Register maintained by the Administrative Agent with respect to ownership of such Commitment and Loans and prior to such recordation all amounts owing to the transferor with respect to such
Commitment and Loans shall remain owing to the transferor. The registration of assignment or transfer of all or part of any Commitment and Loans shall be recorded by the Administrative Agent on the Lender Register only upon the acceptance by the
Administrative Agent of a properly executed and delivered Assignment Agreement pursuant to 

  

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section 13.4(c). The Borrower agrees to indemnify the Administrative Agent from and against any and all losses, claims, damages and liabilities of
whatsoever nature that may be imposed on, asserted against or incurred by the Administrative Agent in performing its duties under this section 13.16. The Lender Register shall be available for inspection by the Borrower or any Lender at any
reasonable time and from time to time upon reasonable prior notice. 
  
 
14.17. General Limitation of Liability. No claim may be made by the Borrower, any Lender or the Administrative Agent or any other person against the Administrative Agent or any other Lender or the Affiliates, directors,
officers, employees, attorneys or agents of any of them, for any damages other than actual compensatory damages in respect of any claim for breach of contract or any other theory of liability arising out of or related to the transactions
contemplated by this Agreement or any of the other Credit Documents, or any act, omission or event occurring in connection therewith, and the Borrower, each Lender and the Administrative Agent hereby, to the fullest extent permitted under applicable
law, waives, releases and agrees not to sue or counterclaim upon any such claim for any special, consequential or punitive damages, whether or not accrued and whether or not known or suspected to exist in its favor. 
  
 
14.18. No Duty. All attorneys, accountants, appraisers, consultants and other professional persons (including the firms or other entities on behalf of which any such person may act) retained by the Administrative Agent
or any Lender with respect to the transactions contemplated by the Credit Documents shall have the right to act exclusively in the interest of the Administrative Agent or such Lender, as the case may be, and shall have no duty of disclosure, duty of
loyalty, duty of care, or other duty or obligation of any type or nature whatsoever to the Borrower, to any of its Subsidiaries or Affiliates, or to any other person, with respect to any matters within the scope of such representation or related to
their activities in connection with such representation. The Borrower agrees, on behalf of itself and its Subsidiaries, not to assert any claim or counterclaim against any such persons with regard to such matters, all such claims and counterclaims,
now existing or hereafter arising, whether known or unknown, foreseen or unforeseeable, being hereby waived, released and forever discharged. 
  
 
14.19. Lenders and Agents Not Fiduciary to Borrower, etc. The relationship among the Borrower and its Subsidiaries and Affiliates, on the one hand, and the Administrative Agent and the Lenders, on the other hand, is
solely that of debtor and creditor, and the Administrative Agent and the Lenders have no fiduciary or other special relationship with the Borrower and/or any of its Subsidiaries and Affiliates, and no term or provision of any Credit Document, no
course of dealing, no written or oral communication, or other action, shall be construed so as to deem such relationship to be other than that of debtor and creditor. 
  
 
14.20. Survival of Representations and Warranties. All representations and warranties herein shall survive the making of Loans hereunder, the execution and delivery of this Agreement, the Notes and any other documents
the forms of which are attached as Exhibits hereto, the issue and delivery of the Notes, any disposition thereof by any holder thereof, and any investigation made by the Administrative Agent or any Lender or any other holder of any of the Notes or
on its behalf. All statements contained in any certificate or other document delivered to the Administrative Agent or any Lender or any holder of any Notes by or on behalf of the Borrower or any of its Subsidiaries or Affiliates pursuant hereto or
otherwise specifically for use in connection with the transactions contemplated hereby shall constitute representations and warranties by the Borrower hereunder, made as of the respective dates specified therein or, if no date is specified, as of
the respective dates furnished to the Administrative Agent or any Lender. 
  
 
14.21. Independence of Covenants. All covenants hereunder shall be given independent effect so that if a particular action, event, condition or circumstance is not permitted by any of such covenants, the fact that it
would be permitted by an exception to, or would otherwise be within the limitations or restrictions of, another covenant, shall not avoid the occurrence of a Default or an Event of Default if such action is taken or event, condition or circumstance
exists. 
  

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SECTION 15. RESTATEMENT OF EXISTING LOAN AGREEMENT. 
  
 
15.1. Acknowledgment of Existing Obligations and Restatement Thereof. The Credit Parties, the Administrative Agent and the Lenders acknowledge and agree that under the Existing Credit Agreement, the aggregate
principal balance of all Obligations (excluding Letter of Credit Obligations) owing by Credit Parties on January 30, 2006 totaled $81,000,000.00 (exclusive of interest, fees and expenses), which constitutes the aggregate principal balance of
the General Revolving Loans (the “Existing Revolver Balance”). The Credit Parties acknowledge and agree that all Obligations (including, without limitation, Letter of Credit Obligations) outstanding as of the Closing Date
under the Existing Credit Agreement constitute valid and binding obligations of the Credit Parties without offset, counterclaim, defense or recoupment of any kind. The Credit Parties, Administrative Agent and Lenders acknowledge and agree that
effective as of the Closing Date pursuant to the terms of this Agreement: the Existing Revolver Balance outstanding under the Existing Credit Agreement shall be allocated to and constitute the initial principal balance of the Revolving Loans under
this Agreement and shall be deemed fully funded as of the Closing Date. The Credit Parties, Administrative Agent and Lenders acknowledge and agree that all interest, fees and expenses, together with all other Obligations outstanding under the
Existing Credit Agreement which remain unpaid and outstanding as of the Closing Date, shall be and remain outstanding and payable under this Agreement and the other Credit Documents. 
  
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 IN WITNESS WHEREOF, each of the parties hereto has caused a counterpart of this Agreement
to be duly executed and delivered as of the date first above written. 
  

							
	CALGON CARBON CORPORATION	 	NATIONAL CITY BANK OF PENNSYLVANIA
	 	 	 	 	Individually as a Lender, and as a Letter of Credit Issuer, the Swing Line Lender, Administrative Agent and the Collateral Agent 
				
	 By:
	 	 /s/ Leroy M. Ball

	 	 By:
	 	 /s/ Lawrence C. Deihle


	 Name:
	 	 Leroy M. Ball
	 	 Name:
	 	 Lawrence C. Deihle

	 Title:
	 	 Chief Financial Officer
	 	 Title:
	 	 Vice President








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	PNC BANK, NATIONAL ASSOCIATION
		
	By:	 	 /s/ Meredith Heavner


	Name:	 	Meredith Heavner
	Title:	 	Vice President








Table of Contents



			
	HARRIS N.A.
		
	By:	 	 /s/ George Dluhy


	Name:	 	George Dluhy
	Title:	 	Director








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	FIRST COMMONWEALTH BANK
		
	By:	 	 /s/ C. Forrest Tefft


	Name:	 	C. Forrest Tefft
	Title:	 	Senior Vice President








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	FIRST NATIONAL BANK OF PENNSYLVANIA
		
	By:	 	 /s/ John L. Hayes IV


	Name:	 	John L. Hayes IV
	Title:	 	Vice President








Table of Contents


 
ANNEX I 
  
 INFORMATION AS TO
LENDERS 
  

							
	 Name of Lender

	  	 Commitment

	  	 Domestic Lending Office

	  	 Eurodollar
 Lending Office


	National City Bank of Pennsylvania	  	 General Revolving Commitment:
  
 $21,874,285.72
  
 Swing Line Revolving Commitment:
  
 $10,000,000.00
  
 Term Commitment:
  
 $4,525,714.28
	  	 National City Bank of Pennsylvania
  
 Primary Contact:
 Lawrence C. Deihle
 20 Stanwix Avenue
 Pittsburgh, Pennsylvania 15219
 Telephone: (412) 644-8944
 Facsimile: (412) 471-4883
  
 Contact for Borrowings, Payments, etc.:
 Attn: Sonya Townsell
 629 Euclid Avenue
 Locator No. 01-3028
 Cleveland, Ohio 44114
 Telephone: (216) 222-2254
 Facsimile: (216) 222-0012
  
 Wiring Information:
 National City Bank
 Pittsburgh, Pennsylvania
 ABA: 043-000-122
 Beneficiary: Agent Services Group
 Account No. 151810
 Ref: Calgon Carbon
	  	Same







Table of Contents



							
	PNC Bank, National Association	  	 General Revolving Commitment:
  
 $19,554,285.71
  
 Term Commitment:
  
 $4,045,714.29
	  	 PNC Bank, National Association
  
 Primary Contact:
 Meredith Heavner
 249 Fifth Avenue, 5th
Floor
 Pittsburgh, PA 15222
 Telephone: (412) 762-5262

Facsimile: (412) 762-4718
  
 Contact for Borrowings, Payments, etc.:
 Attn: San McCloskey
 500 First Avenue
 Pittsburgh, PA 15219
 Telephone: (412) 768-2657
 Facsimile: (412) 768-4586
  
 Wiring Information:
 PNC Bank, National Association
 Pittsburgh, PA
 ABA: 043-000-096
 Beneficiary: Commercial Loans
 Account No. 130760016803
 Ref: Calgon Carbon
	  	Same
				
	Harris N.A.	  	 General Revolving Commitment:
  
 $20,714,285.71
  
 Term Commitment:
  
 $4,285,714.29
	  	 Harris N.A.
  
 Primary Contact:
 Michael Leong
 111 West Monroe Street — 111/10W
 Chicago, Illinois 60603
 Telephone: 312-461-2432
 Facsimile: 312-293-5068
  
 Contact for Borrowings, Payments, etc.:
 Ellen Dancer
 111 West Monroe Street — 111/10W
 Chicago, Illinois 60603
 Telephone: 312-461-2587
 Facsimile: 312-293-5884
  
 Contact for Letters of Credit:
 Donald Schumber
 111 West Monroe Street — 111/10W
 Chicago, Illinois 60603
 Telephone: 312-461-6462
 Facsimile: 312-293-4821
  
 Wiring Information:
 Harris
N.A.
 Chicago, Illinois
 ABA No. 070-000-288
 Beneficiary: Loan Clearing Account
 No. 1095355
 Ref: Calgon Carbon Corporation
	  	Same







Table of Contents



							
	First Commonwealth Bank	  	 General Revolving Commitment:
  
 $14,500,000.00
  
 Term Commitment:
  
 $3,000,000.00
	  	 First Commonwealth Bank
  
 Primary Contact:
 C. Forrest Tefft
 437 Grant St., Frick Building, Suite 1600
 Pittsburgh, Pennsylvania
15219
 Telephone: (412) 690-2202
 Facsimile: (412)
6902206
  
 Contact for Borrowings, Payments, etc.:
 Misty Cleary
 437 Grant St., Frick Building, Suite 1600
 Pittsburgh, Pennsylvania 15219
 Telephone: 412-690-2214
 Facsimile: 412-690-2206
  
 Wiring Information:
 First Commonwealth Bank
 Indiana, Pennsylvania
 ABA: 043306826
 Account No.(Revolving Loans):
 9250530110-85001
 Account No. (Term Loans):
 9250530113-85002
 Beneficiary: Calgon Carbon Corporation
 Ref: Calgon Carbon Participation
	  	Same
				
	First National Bank of Pennsylvania	  	 General Revolving Commitment:
  
 $10,357,142.86
  
 Term Commitment:
  
 $2,142,857.14
	  	 First National Bank of Pennsylvania
  
 Primary Contact:
  
 John Hayes
 100 Federal Street, 3rd Floor
 Pittsburgh, Pennsylvania 15212
 Telephone: 412-359-2617
 Facsimile: 412-231-3584
  
 Contact for Paydowns, Interests, Fees, Interest Changes, etc.:
  
 Debbie Haney
 4145 East State Street
 Hermitage, Pennsylvania 16148
 Telephone: 724-983-3353
 Facsimile: 724-983-3522
  
 Contact for Borrowings and Letters of Credit:
 Regina D. Schipani
 100 Federal Street
 Pittsburgh,
Pennsylvania 15212
 Telephone: 412-359-2621
 Facsimile:
412-231-3584
  
 Wiring Information:
 First National Bank of Pennsylvania
 Hermitage, Pennsylvania
 ABA: 043318092
 Beneficiary: Cash Items
 Account No. 1000704105
 Ref: Calgon Carbon Corp (indicate Term Loan or
Revolving Loan)
	  	Same







Table of Contents


 
ANNEX II 
  
 INFORMATION AS TO
SUBSIDIARIES 
  

							
	 Name of Subsidiary

	  	Type of Organization

	  	 Jurisdiction Where
 Organized

	  	 Percentage of Outstanding
 Stock or Other Equity
 Interests Owned (Owned
 by the Borrower unless
 otherwise
noted)









Table of Contents


 
ANNEX III 
  
 DESCRIPTION OF
EXISTING INDEBTEDNESS 






Table of Contents


 
ANNEX IV 
  
 DESCRIPTION OF
EXISTING LIENS 






Table of Contents


 
ANNEX V 
  
 DESCRIPTION OF
EXISTING ADVANCES, LOANS, INVESTMENTS AND GUARANTEES 






Table of Contents


 
ANNEX VI 
  
 DESCRIPTION OF
EXISTING LETTERS OF CREDIT 






Table of Contents


 
ANNEX VII 
  
 DESCRIPTION OF
MATERIAL RECOVERY EVENTS 






Table of Contents


 
ANNEX VIII 
  
 DESCRIPTION
OF CONTINGENT LIABILITIES WITH RESPECT TO 
 POST-RETIREMENT WELFARE BENEFIT PLANS 






Table of Contents


 
ANNEX IX 
  
 DESCRIPTION OF
DOCUMENTS REQUIRED TO BE SCHEDULED 
 PURSUANT TO SECTION 9.11 






Table of Contents


 
ANNEX X 
  
 ENVIRONMENTAL MATTERS







Table of Contents


 
ANNEX XI 
  
 EBITDA ADJUSTMENTS







Table of Contents


 
EXHIBIT A-1 
  
 TERM NOTE

  

			
	$            	 	 
	Pittsburgh, Pennsylvania	 	January 30, 2006

  
 FOR VALUE
RECEIVED, the undersigned CALGON CARBON CORPORATION, a Delaware corporation (herein, together with its successors and assigns, the “Borrower”), hereby promises to pay to the order of
                     (the “Lender”), in lawful money of the United States of America and in immediately
available funds, at the Payment Office (such term and certain other terms used herein without definition shall have the meanings ascribed thereto in the Credit Agreement referred to below) of National City Bank of Pennsylvania (the
“Administrative Agent”), the principal sum of                      DOLLARS AND NO CENTS
($             ) or, if less, the then unpaid principal amount of all Term Loans made by the Lender (or any of its predecessors in interest with respect hereto) to the Borrower
pursuant to the Credit Agreement outstanding on the Term Maturity Date, and prior thereto, in installments on the dates and in the amounts provided in section 6.2(a) of the Credit Agreement. 
  
 The Borrower promises also to pay interest in like currency and funds at the
Payment Office on the unpaid principal amount of each Term Loan made by the Lender from the date of such Term Loan until paid at the rates and at the times provided in section 2.8 of the Credit Agreement. 
  
 This Note is one of the Term Notes referred to in the Amended and Restated
Credit Agreement, dated as of January 30, 2006, among the Borrower, the financial institutions from time to time party thereto (including the Lender), and National City Bank of Pennsylvania, as Administrative Agent (as from time to time in
effect, the “Credit Agreement”), and is entitled to the benefits thereof and of the other Credit Documents (as defined in the Credit Agreement). As provided in the Credit Agreement, this Note is subject to mandatory
prepayment prior to the Maturity Date, in whole or in part. 
  
 In
case an Event of Default shall occur and be continuing, the principal of and accrued interest on this Note may be declared to be due and payable in the manner and with the effect provided in the Credit Agreement. 
  
 The Borrower hereby waives presentment, demand, protest or notice of any kind
in connection with this Note. No failure to exercise, or delay in exercising, any rights hereunder on the part of the holder hereof shall operate as a waiver of any such rights. 
  
 THIS NOTE SHALL BE CONSTRUED IN ACCORDANCE WITH AND BE GOVERNED BY THE LAWS OF THE COMMONWEALTH OF PENNSYLVANIA. 

 
 [The balance of this page is intentionally left blank; 
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	CALGON CARBON CORPORATION
		
	By:	 	  


	Name:	 	 
	Title:	 	 








Table of Contents


 LOANS AND PAYMENTS OF PRINCIPAL 
  

													
	 Date of
 Notation

	 	 Amount of
 Loan

	 	 Type of Loan

	 	 Interest Period

	 	 Amount of
 Principal
 Paid or
 Prepaid

	 	 Unpaid
 Principal
 Balance

	 	 Made By









Table of Contents


 
EXHIBIT A-2 
  
 GENERAL REVOLVING
NOTE 
  

			
	$            	 	 
	Pittsburgh, Pennsylvania	 	January 30, 2006

  
 FOR VALUE
RECEIVED, the undersigned CALGON CARBON CORPORATION, a Delaware corporation (herein, together with its successors and assigns, the “Borrower”), hereby promises to pay to the order of
                     (the “Lender”), in lawful money of the United States of America, in immediately available
funds, at the Payment Office (such term and certain other terms used herein without definition shall have the meanings ascribed thereto in the Credit Agreement referred to below) of National City Bank of Pennsylvania (the “Administrative
Agent”), on the Maturity Date, the principal sum of                      DOLLARS AND NO CENTS
($             ) or, if less, the then unpaid principal amount of all General Revolving Loans made by the Lender to the Borrower pursuant to the Credit Agreement.

  
 The Borrower promises also to pay interest on the unpaid
principal amount of each General Revolving Loan made by the Lender to the Borrower in like money at said office from the date hereof until paid at the rates and at the times provided in section 2.8 of the Agreement. 
  
 This Note is one of the General Revolving Notes referred to in the Amended
and Restated Credit Agreement, dated as of January 30, 2006, among the Borrower, the financial institutions from time to time party thereto (including the Lender), and National City Bank of Pennsylvania, as Administrative Agent (as from time to
time in effect, the “Credit Agreement”), and is entitled to the benefits thereof and of the other Credit Documents (as defined in the Credit Agreement). As provided in the Credit Agreement, this Note is subject to mandatory
prepayment prior to the Maturity Date, in whole or in part. 
  
 In
case an Event of Default shall occur and be continuing, the principal of and accrued interest on this Note may be declared to be due and payable in the manner and with the effect provided in the Credit Agreement. 
  
 The Borrower hereby waives presentment, demand, protest or notice of any kind
in connection with this Note. No failure to exercise, or delay in exercising, any rights hereunder on the part of the holder hereof shall operate as a waiver of any such rights. 
  
 THIS NOTE SHALL BE CONSTRUED IN ACCORDANCE WITH AND BE GOVERNED BY THE LAWS OF THE COMMONWEALTH OF PENNSYLVANIA. 

 
 [The balance of this page is intentionally left blank; 
 the next page is a signature page.] 






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	CALGON CARBON CORPORATION
		
	By:	 	  


	Name:	 	 
	Title:	 	 








Table of Contents


 LOANS AND PAYMENTS OF PRINCIPAL 
  

													
	 Date of
 Notation

	 	 Amount of
 Loan

	 	 Type of Loan

	  	Interest Period

	  	 Amount of
Principal
 Paid or
 Prepaid

	  	Unpaid
Principal
Balance

	  	Made By









Table of Contents


 
EXHIBIT A-3 
  
 SWING LINE
REVOLVING NOTE 
  

			
	$10,000,000	 	 
	Pittsburgh, Pennsylvania	 	January 30, 2006

  
 FOR VALUE
RECEIVED, the undersigned CALGON CARBON CORPORATION, a Delaware corporation (herein, together with its successors and assigns, the “Borrower”), hereby promises to pay to the order of NATIONAL CITY BANK OF
PENNSYLVANIA (the “Lender”), in lawful money of the United States of America in immediately available funds, at the Payment Office (such term and certain other terms used herein without definition shall have the meanings
ascribed thereto in the Credit Agreement referred to below) of National City Bank of Pennsylvania (the “Administrative Agent”), the principal sum of TEN MILLION DOLLARS AND NO CENTS ($10,000,000) or, if less,
the then unpaid principal amount of all Swing Line Revolving Loans made by the Lender to the Borrower pursuant to the Credit Agreement. The Borrower will pay the principal amount of any Swing Line Revolving Loan no later than the Maturity Date.

  
 The Borrower promises also to pay interest on the unpaid
principal amount of each Swing Line Revolving Loan made by the Lender in like money at said office from the date hereof until paid at the rates and at the times provided in section 2.8 of the Credit Agreement. 
  
 This Note is the Swing Line Revolving Note referred to in the Amended and
Restated Credit Agreement, dated as of January 30, 2006, among the Borrower, the financial institutions from time to time party thereto (including the Lender), and National City Bank of Pennsylvania, as Administrative Agent (as from time to
time in effect, the “Credit Agreement”), and is entitled to the benefits thereof and of the other Credit Documents (as defined in the Credit Agreement). As provided in the Agreement, this Note is subject to mandatory
prepayment prior to the maturity date of any Swing Line Revolving Loan, in whole or in part. 
  
 In case an Event of Default shall occur and be continuing, the principal of and accrued interest on this Note may be declared to be due and payable in the manner and with the effect provided in the Credit Agreement.

  
 The Borrower hereby waives presentment, demand, protest or
notice of any kind in connection with this Note. No failure to exercise, or delay in exercising, any rights hereunder on the part of the holder hereof shall operate as a waiver of any such rights. 
  
 THIS NOTE SHALL BE CONSTRUED IN ACCORDANCE WITH AND BE GOVERNED BY THE LAWS
OF THE COMMONWEALTH OF PENNSYLVANIA. 
  
 [The balance of this page
is intentionally left blank; 
 the next page is a signature page.] 






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	CALGON CARBON CORPORATION
		
	By:	 	  


	Name:	 	 
	Title:	 	 








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 LOANS AND PAYMENTS OF PRINCIPAL 
  

													
	 Date of
 Notation

	 	 Amount of
 Loan

	 	 Type of
 Loan/or
 Interest Rate

	  	Maturity

	  	 Amount of
Principal
 Paid or
 Prepaid

	  	Unpaid
Principal
Balance

	  	Made By









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EXHIBIT B-1 
  
 NOTICE OF
BORROWING 






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EXHIBIT B-2 
  
 NOTICE OF
CONVERSION 






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EXHIBIT B-3 
  
 LETTER OF CREDIT
REQUEST 
  

			
	 No.              1
	 	 
	 	 	Dated                      2

  
 National City Bank of Pennsylvania, 
     as Administrative Agent for the Lenders party

     to the Credit Agreement referred to below 
  
 National City Bank of Pennsylvania

 Attn: Agent Services 
 Locator No. 01-3028 
 629 Euclid Avenue 
 Cleveland, Ohio 44114 
  
 Attention: Letter of Credit Operations 
  
 Ladies and Gentlemen: 
  
 The undersigned, Calgon Carbon Corporation (the
“Borrower”), refers to the Amended and Restated Credit Agreement, dated as of January 30, 2006 (as amended, modified or supplemented from time to time, the “Credit Agreement,” the capitalized
terms defined therein being used herein as therein defined), among the Borrower, the financial institutions from time to time party thereto (the “Lenders”), and National City Bank of Pennsylvania, as Administrative Agent for
such Lenders. 
  
 The undersigned hereby requests that
                    , as a Letter of Credit Issuer, issue a Letter of Credit on
            , 200_ (the “Date of Issuance”) in the aggregate amount of U.S. $            ,
for the account of                     . 
  
 The beneficiary of the requested Letter of Credit will be             ,3 and such Letter of Credit will be in support of
            4 and will have a stated termination
date of             .5 
  
 The undersigned hereby certifies that after giving effect to the requested
issuance of the Letter of Credit: 
  

	 	(i)	$             principal amount of General Revolving Loans will be outstanding; and 

  

	 	(ii)	the Letter of Credit Outstandings will be $            . 

  


	1	Letter of Request Number. 


	2	Date of Letter of Request (at least five Business Days prior to the Date of Issuance or such lesser number as may be agreed by the relevant Letter of Credit Issuer).



	3	Insert name and address of beneficiary. 







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	4	Insert description of the supported obligations, name of agreement and/or the commercial transaction to which this Letter of Credit Request relates. 


	5	Insert last date upon which drafts may be presented (which may not be beyond the 15th Business Day next preceding the Revolving Maturity Date). 







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 The undersigned hereby certifies that the following statements are true on the date hereof, and will be
true on the Date of Issuance: 
  
 (A) the
representations and warranties of the Borrower contained in the Credit Agreement and the other Credit Documents are and will be true and correct in all material respects, before and after giving effect to the Proposed Borrowing and to the
application of the proceeds thereof, as though made on such date, except to the extent that such representations and warranties expressly relate to an earlier specified date, in which case such representations and warranties were true and correct in
all material respects as of the date when made; and 
  
 (B) no Default or Event of Default has occurred and is continuing, or would result after giving effect to the issuance of the Letter of Credit requested hereby. 
  
 Copies of all documentation with respect to the supported transaction are attached hereto. 
  

			
	Very truly yours,
	
	CALGON CARBON CORPORATION
		
	By:	 	  


	Name:	 	 
	Title:	 	 


  
 ACKNOWLEDGED AND AGREED 
 TO BY: 
  

			
	 NATIONAL CITY BANK OF PENNSYLVANIA

		
	 By:
	 	  


	 Name:
	 	 
	 Title:
	 	 







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EXHIBIT C 
  

  
 FORM OF 
  
 CORPORATE CERTIFICATE 
  

  
  






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 CALGON CARBON CORPORATION 
  
 Corporate Certificate 
  

The undersigned certifies that he is the Secretary of CALGON CARBON CORPORATION, a Delaware corporation (the
“Borrower”), and that as such he is authorized to execute and deliver this Certificate on behalf of the Borrower, and further certifies that: 
  
 (1) Filing of Charter Documents. No corporate document amending or otherwise modifying the
Borrower’s certificate of incorporation has been filed with the Secretary of State of Delaware since             .1 Attached hereto as Exhibit A is a copy of the Borrower’s Certificate of Incorporation, certified by the Delaware Secretary of State as of a recent
date. 
  
 (2) No Proceedings for Amendments,
Merger, etc. No proceeding for the amendment of the Certificate of Incorporation of the Borrower, or for the merger, consolidation, sale of substantially all of the assets and business, liquidation or dissolution of the Borrower has been taken
on or since such date or is pending. 
  
 (3)
Organization and Standing. Attached hereto as Exhibit B is a long-form good standing certificate, dated as of a recent date, from the Delaware Secretary of State evidencing that the Borrower is validly existing in good standing under the
laws of the State of Delaware. Attached hereto as Exhibit C are certificates, each dated as of a recent date, evidencing the Borrower’s good standing as a foreign corporation in the following jurisdictions:
            . 
  
 (4) Bylaws. Attached hereto as Exhibit D is a complete and correct copy of the Bylaws of the Borrower, as in effect since
            ,2 and thereafter to and including
the date hereof. 
  
 (5) Resolutions.
Attached hereto as Exhibit E is a complete and correct copy of resolutions duly adopted by the duly elected Directors of the Borrower at a meeting duly called and held on
            , 2006, at which a quorum was present and acting throughout.3 Such resolutions have not been amended, modified or rescinded and are in full force and effect on the date hereof. Such resolutions constitute all of the resolutions adopted by the Directors of the Borrower incident to the
transactions contemplated by the Credit Agreement (the “Credit Agreement;” with capitalized terms used herein without definition having the respective meanings ascribed thereto in the Amended and Restated Credit Agreement,
dated as of 
  


	1	Insert the date of filing of the last document affecting the charter of the Borrower as identified in a long form good standing certificate or certified copy of the
charter and all amendments of the Borrower. 


	2	Insert a date prior to the execution of any documents incident to the transaction. 


	3	If the resolutions have been adopted by written consent, the following alternative is suggested: 

  
 Attached hereto as Exhibit B is a complete and correct copy of resolutions duly adopted by
the duly elected Directors of the Borrower by unanimous written consent dated [as of]             , 2006. 
  
 If the resolutions have been adopted by a committee of Directors, the following is suggested: 

 
 Attached hereto as Exhibit B is a complete and correct copy of resolutions duly adopted
by the duly elected [Executive] Committee of the Directors of the Borrower at a meeting duly called and held on             , 2006, at which a quorum was present and acting
throughout. Attached hereto as Exhibit C is a complete and correct copy of resolutions duly adopted by the duly elected Directors of the Borrower at a meeting duly called and held on
            , 2006, at which a quorum was present and acting throughout, which resolutions set forth the powers of the [Executive] Committee of the Directors of the Borrower.







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 January 30, 2006, among the Borrower, the financial institutions named as Lenders therein, and
National City Bank of Pennsylvania, as Administrative Agent for the Lenders under the Credit Agreement). The execution, delivery and performance by the Borrower of the Credit Agreement, and all other documents to which the Borrower is to be a party
as contemplated by the Credit Agreement, have been duly authorized by such resolutions. 
  
 (6) Incumbency. Each of the following persons now is and at all times since prior to
            ,4 has been a duly elected or
appointed officer of the Borrower, holding the office or offices in the Borrower set opposite his or her name below, and that the signature of each such person set opposite his or her name below is his or her own true original or facsimile
signature: 
  

					
	 Name

	  	 Title

	 	 Signature


	_________________________	  	President and Chief Executive Officer	 	_________________________
			
	_________________________	  	Vice President & Chief Financial Officer	 	_________________________
			
	_________________________	  	Treasurer	 	_________________________
			
	Michael J. Mocniak	  	Vice President, General Counsel and Secretary	 	_________________________

  
 IN WITNESS
WHEREOF, the undersigned has duly executed and delivered this Certificate on behalf of the Borrower on the date specified below. 
  

	
	
 Name: Michael J. Mocniak

	Vice President, General Counsel and Secretary


  
 Dated: January 30, 2006 
  
 The undersigned, one of
the officers named in the foregoing Certificate, hereby confirms such Certificate as of the date hereof. 
  

			
	

		
	Name: 	 	

		
	Title:	 	



  


	4	Insert a date prior to the execution of any documents incident to the transaction. 







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EXHIBIT D 
  

  
 FORM OF 
  
 SOLVENCY CERTIFICATE 
  







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 SOLVENCY CERTIFICATE 
  
 CALGON CARBON CORPORATION, a Delaware corporation (the “Borrower”), hereby certifies that the
officer executing this Solvency Certificate is the Chief Financial Officer of the Borrower and that such officer is duly authorized to execute this Solvency Certificate, which is hereby delivered on behalf of the Borrower pursuant to section 7.1(g)
of the Amended and Restated Credit Agreement, dated as of January 30, 2006 (as amended, supplemented or otherwise modified from time to time, the “Credit Agreement”; terms defined or referenced therein and not otherwise
defined or referenced herein being used herein as therein defined or referenced), among the Borrower, the Lenders named therein, and National City Bank of Pennsylvania, as Administrative Agent. 
  
 The Borrower further certifies that such officer is generally familiar with
the properties, businesses and assets of the Borrower and has carefully reviewed the Credit Documents and the contents of this Solvency Certificate and, in connection herewith, has reviewed such other documentation and information and has made such
investigations and inquiries as the Borrower and such officer deem necessary and prudent therefor. The Borrower further certifies that the financial information and assumptions that underlay and form the basis for the representations made in this
Solvency Certificate were reasonable when made and were made in good faith and continue to be reasonable as of the date hereof. 
  
 The Borrower understands that the Lenders are relying on the truth and accuracy of this Solvency Certificate in connection with the Credit Documents.

  
 The Borrower hereby further certifies that: 
  
 1. The Borrower has reviewed the Financial Projections that were prepared on
the basis of the estimates and assumptions stated therein, a copy of that Financial Projections were furnished to the Lenders. The Financial Projections were prepared in good faith and represent reasonable estimates of future financial performance
and are reasonable in light of the business conditions existing on the date hereof. However, the Borrower can provide no assurances as to the outcome of any such projections. On the date hereof, immediately before and immediately after giving effect
to the Contemplated Transactions, to the best of the Borrower’s knowledge, the fair value of the property and assets of the Borrower is greater than the total amount of liabilities (including contingent, subordinated, absolute, fixed, matured
or unmatured and liquidated or unliquidated liabilities) of the Borrower. 
  
 2. On the date hereof, the present fair salable value of the property and assets of the Borrower exceeds the amount that will be required to pay the probable liabilities of the Borrower on its debts as they become
absolute and matured. 
  
 3. The Borrower does not currently
intend or believe that it will incur debts and liabilities that will be beyond its ability to pay as such debts and liabilities mature. 
  
 4. On the date hereof, the Borrower is not engaged in business or in a transaction, and is not about to engage in business or in a transaction, for that
its property and assets would constitute unreasonably small capital. 
  
 5. The Borrower does not intend to hinder, delay or defraud either present or future creditors or any other person to which the Borrower is or, on or after the date hereof, will become indebted. 






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 IN WITNESS WHEREOF, the Borrower has caused this Solvency Certificate to be executed by its Chief
Financial Officer thereunto duly authorized, on and as of this             day of January 2006. 
  

			
	 CALGON CARBON CORPORATION

		
	 By:
	 	  


	 Name:
	 	 
	 Title:
	 	 








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EXHIBIT E 
  

  
 FORM OF 
  
 ASSIGNMENT AGREEMENT 
  

  
  






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 ASSIGNMENT AGREEMENT 
  
 DATE:
                     
  
 Reference is made to the Credit Agreement described in Item 2 of Annex I annexed hereto (as such Credit Agreement may hereafter be amended, modified
or supplemented from time to time, the “Credit Agreement”). Unless defined in Annex I attached hereto, terms defined in the Credit Agreement are used herein as therein defined. 
  
                      (the “Assignor”) and
                     (the “Assignee”) hereby agree as follows: 
  
 1. The Assignor hereby sells and assigns to the Assignee without recourse
and without representation or warranty (other than as expressly provided herein), and the Assignee hereby purchases and assumes from the Assignor, that interest in and to all of the Assignor’s rights and obligations under the Credit Agreement
as of the date hereof that represents the percentage interest specified in Item 4 of Annex I (the “Assigned Share”) of all of Assignor’s outstanding rights and obligations under the Credit Agreement indicated in
Item 4 of Annex I, including, without limitation, all rights and obligations with respect to the Assigned Share of the Assignor’s Commitment and of the Loans and the Notes held by the Assignor. After giving effect to such sale and
assignment, the Assignee’s Commitment will be as set forth in Item 4 of Annex I. 
  
 2. The Assignor (i) represents and warrants that it is the legal and beneficial owner of the interest being assigned by it hereunder, that such interest is free and clear of any liens or security interests, and
that it is duly authorized to enter into and perform the terms of this Assignment Agreement; (ii) makes no representation or warranty and assumes no responsibility with respect to any statements, warranties or representations made in or in
connection with the Credit Agreement or the other Credit Documents or the execution, legality, validity, enforceability, genuineness, sufficiency or value of the Credit Agreement or the other Credit Documents or any other instrument or document
furnished pursuant thereto; and (iii) makes no representation or warranty and assumes no responsibility with respect to the financial condition of the Borrower or any of its Subsidiaries or the performance or observance by the Borrower of any
of its obligations under the Credit Agreement or the other Credit Documents or any other instrument or document furnished pursuant thereto. 
  
 3. The Assignee (i) represents and warrants that it is duly authorized to enter into and perform the terms of this Assignment Agreement;
(ii) confirms that it has received a copy of the Credit Agreement and the other Credit Documents, together with copies of the financial statements referred to therein, and such other documents and information as it has deemed appropriate to
make its own credit analysis and decision to enter into this Assignment Agreement; (iii) agrees that it will, independently and without reliance upon the Administrative Agent, the Assignor or any other Lender and based on such documents and
information as it shall deem appropriate at the time, continue to make its own credit decisions in taking or not taking action under the Credit Agreement; (iv) appoints and authorizes the Administrative Agent to take such action as agent on its
behalf and to exercise such powers under the Credit Agreement and the other Credit Documents as are delegated to the Administrative Agent by the terms thereof, together with such powers as are reasonably incidental thereto; [and]
(v) agrees that it will perform in accordance with their terms all of the obligations that by the terms of the Credit Agreement are required to be performed by it as a Lender[; and (vi) to the extent legally entitled to do so, attaches the
forms described in section 6.4(b)(ii) of the Credit Agreement5. 
  


	5	If the Assignee is organized under the laws of a jurisdiction outside the United States. 







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 4. Following the execution of this Assignment Agreement by the Assignor and the Assignee, an executed
original hereof (together with all attachments) will be delivered to the Administrative Agent. The effective date of this Assignment Agreement shall be the date of execution hereof by the Assignor, the Assignee and the consent hereof by the
Administrative Agent and the receipt by the Administrative Agent of the administrative fee referred to in section 13.4(c) of the Credit Agreement, unless otherwise specified in Item 5 of Annex I hereto (the “Settlement
Date”). 
  
 5. Upon the delivery of a fully executed
original hereof to the Administrative Agent, as of the Settlement Date, (i) the Assignee shall be a party to the Credit Agreement and, to the extent provided in this Assignment Agreement, have the rights and obligations of a Lender thereunder
and under the other Credit Documents, and (ii) the Assignor shall, to the extent provided in this Assignment Agreement, relinquish its rights (except any rights to indemnity by the Borrower) and be released from its obligations under the Credit
Agreement and the other Credit Documents. 
  
 6. It is agreed that
upon the effectiveness hereof, the Assignee shall be entitled to (x) all interest on the Assigned Share of the Loans at the rates specified in Item 6 of Annex I, and (y) all Facility Fee (if applicable) on the Assigned Share of the
Commitment at the rate specified in Item 7 of Annex I, that, in each case, accrue on and after the Settlement Date, such interest and, if applicable, Facility Fees, to be paid by the Administrative Agent, upon receipt thereof from the Borrower,
directly to the Assignee. It is further agreed that all payments of principal made by the Borrower on the Assigned Share of the Loans that occur on and after the Settlement Date will be paid directly by the Administrative Agent to the Assignee. Upon
the Settlement Date, the Assignee shall pay to the Assignor an amount specified by the Assignor in writing which represents the Assigned Share of the principal amount of the respective Loans made by the Assignor pursuant to the Credit Agreement that
are outstanding on the Settlement Date, net of any closing costs, and that are being assigned hereunder. The Assignor and the Assignee shall make all appropriate adjustments in payments under the Credit Agreement for periods prior to the Settlement
Date directly between themselves on the Settlement Date. 
  
 7.
THIS ASSIGNMENT AGREEMENT SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE COMMONWEALTH OF PENNSYLVANIA. 
  
 * * * 
  
 IN WITNESS WHEREOF, the parties hereto have caused this Assignment Agreement to be executed by their respective officers thereunto duly authorized,
as of the date first above written. 
  

							
	 [NAME OF ASSIGNOR],
 as
Assignor
	 	 [NAME OF ASSIGNEE],
 as
Assignee

				
	By:	 	  

	 	By:	 	  


	 	 	Vice President	 	 	 	Vice President

  

			
	
	Acknowledged and agreed.
	
	 NATIONAL CITY BANK OF
 PENNSYLVANIA,
 as Administrative Agent

		
	By:	 	  


	 	 	Vice President







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 ANNEX I 
 FOR 
 ASSIGNMENT AND ASSUMPTION AGREEMENT 
  

					
	1.	  	The Borrower:	  	CALGON CARBON CORPORATION
		
	2.	  	Name and Date of Credit Agreement:
			
	 	  	 	  	Amended and Restated Credit Agreement, dated as of January 30, 2006, among Calgon Carbon Corporation, the Lenders from time to time party thereto, and National City Bank of Pennsylvania,
as Administrative Agent.
		
	3.	  	 Date of Assignment Agreement:

			
	 	  	 	  	                         ,
            
		
	4.	  	 Amounts (as of date of item #3 above):


  

																									
	 	  	General
Revolving
Commitment

	 	 	General
Revolving
Loans

	 	 	Swing Line
Revolving
Commitment

	 	 	Swing
Line
Revolving
Loans

	 	 	Term
Commitment

	 	 	Term
Loans

	 
	 Aggregate Amount for all Lenders
	  	$	            	 	 	$	            	 	 	$	            	 	 	$	            	 	 	$	            	 	 	$	            	 
	 Assigned Share
	  	 	            	%	 	 	            	%	 	 	            	%	 	 	            	%	 	 	            	%	 	 	            	%
	 Amount of Assigned Share
	  	$	            	 	 	$	            	 	 	$	            	 	 	$	            	 	 	$	            	 	 	$	            	 
	 Amount Retained by Assignor
	  	$	            	 	 	$	            	 	 	$	            	 	 	$	            	 	 	$	            	 	 	$	            	 

  

					
	5.	  	Settlement Date:	  	                         ,
            
			
	6.	  	 Rate of Interest
 to the Assignee:
	  	As set forth in section 2.8 of the Credit Agreement (unless otherwise agreed to by the Assignor and the Assignee).6
			
	7.	  	Commitment Fee:	  	Fee: As set forth in section 4.1 of the Credit Agreement (unless otherwise agreed to by the Assignor and the Assignee).7

  
  


	6	The Borrower and the Administrative Agent shall direct the entire amount of the interest to the Assignee at the rate set forth in section 2.8 of the Credit
Agreement, with the Assignor and Assignee effecting any agreed upon sharing of interest through payments by the Assignee to the Assignor. 

  

	7	The Borrower and the Administrative Agent shall direct the entire amount of the Commitment
Fee to the Assignee at the rate set forth in section 3.1 of the Credit Agreement, with the Assignor and the Assignee effecting any agreed upon sharing of Commitment Fee through payment by the Assignee to the Assignor. 







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	8.	Notices: 

  

			
	 ASSIGNOR:
  
 Attention:                    
 Telephone:
 Facsimile:
	 	 ASSIGNEE:
  
 Attention:                    
 Telephone:
 Facsimile:


  

	9.	Payment Instructions: 

  

			
	 ASSIGNOR:
  
 ABA No.:
 Account No.:
 Ref.:
Calgon Carbon Corporation
 Attention:                    
 Telephone:
 Facsimile:
	  	 ASSIGNEE:
  
 ABA No.:
 Account No.:
 Ref.: Calgon Carbon Corporation
 Attention:                    
 Telephone:
 Facsimile:








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EXHIBIT F 
  

  
 FORM OF 
  
 SECTION 6.4(B)(II) CERTIFICATE 
  

  
  






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 SECTION 6.4(B)(ii) CERTIFICATE 
  
 Reference is hereby made to the Amended and Restated Credit Agreement, dated as of January 30, 2006, among Calgon
Carbon Corporation, the financial institutions party thereto from time to time, and National City Bank of Pennsylvania, as Administrative Agent (the “Credit Agreement”). Pursuant to the provisions of section 6.4(b)(ii) of the
Credit Agreement, the undersigned hereby certifies that it is not a “bank” as such term is used in section 881(c)(3)(A) of the Internal Revenue Code of 1986, as amended. 
  

			
	[NAME OF BANK]
		
	 By:
	 	  


	 Name:
	 	 
	 Title:
	 	 


  
 Dated: