Senior Indenture Dated as of September 11, 2007



 Exhibit 4.1 
 ALERIS INTERNATIONAL, INC. 
 the SUBSIDIARY GUARANTORS named in Schedule I hereto 
 and 
 LASALLE BANK NATIONAL ASSOCIATION, as
Trustee 
 SENIOR INDENTURE 
 Dated as of September 11, 2007 
 $105,379,000 
 9% Senior Notes Due 2014 







 Reconciliation and tie between Trust Indenture Act 
 of 1939 and Indenture, dated as of September 11, 2007* 
  

			
	 Trust Indenture Act Section
	  	 Indenture Section

	 §310(a)(1)
	  	 608

	         (a)(2)
	  	 608

	         (a)(3)
	  	 N.A.

	         (a)(4)
	  	 N.A.

	         (b)
	  	 608, 609

	         (c)
	  	 N.A.

	 §311(a)
	  	 605

	         (b)
	  	 605

	         (c)
	  	 N.A.

	 §312(a)
	  	 701

	         (b)
	  	 702

	         (c)
	  	 702

	 §313(a)
	  	 703

	         (a)(4)
	  	 703

	         (b)(1)
	  	 N.A.

	         (b)(2)
	  	 N.A.

	         (c)(1)
	  	 703

	         (c)(2)
	  	 703

	         (d)
	  	 703

	 §314(a)
	  	 1009

	         (b)
	  	 N.A.

	         (c)(1)
	  	 103

	         (c)(2)
	  	 103

	         (c)(3)
	  	 N.A.

	         (d)
	  	 N.A.

	         (e)
	  	 103

	         (f)
	  	 N.A.

	 §315(a)
	  	 601

	         (b)
	  	 602

	         (c)
	  	 601

	         (d)
	  	 601

	         (e)
	  	 515

	 §316(a) (last sentence)
	  	 102 (“Outstanding”)

	         (a)(1)(A)
	  	 502, 512

	         (a)(1)(B)
	  	 513

	         (a)(2)
	  	 N.A.

	         (b)
	  	 508

	         (c)
	  	 105

	 §317(a)(1)
	  	 503

	         (a)(2)
	  	 504

	         (b)
	  	 1003

	 §318(a)
	  	 115

	N.A. means Not Applicable.

  

	*	This reconciliation and tie shall not, for any purpose, be deemed to be a part of this Indenture. 








 TABLE OF CONTENTS1 
  
  

					
	  	  	 	  	Page
	 ARTICLE ONE
  
 DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION
	  	
			
	 SECTION 101.
	  	 Rules of Construction and Incorporation by Reference of Trust Indenture Act
	  	1
	 SECTION 102.
	  	 Definitions
	  	2
	 SECTION 103.
	  	 Compliance Certificates and Opinions
	  	28
	 SECTION 104.
	  	 Form of Documents Delivered to Trustee
	  	28
	 SECTION 105.
	  	 Acts of Holders
	  	29
	 SECTION 106.
	  	 Notices, Etc., to Trustee, Company, Any Subsidiary Guarantor and Agent
	  	30
	 SECTION 107.
	  	 Notice to Holders; Waiver
	  	30
	 SECTION 108.
	  	 Effect of Headings and Table of Contents
	  	31
	 SECTION 109.
	  	 Successors and Assigns
	  	31
	 SECTION 110.
	  	 Separability Clause
	  	31
	 SECTION 111.
	  	 Benefits of Indenture
	  	31
	 SECTION 112.
	  	 Governing Law
	  	31
	 SECTION 113.
	  	 Legal Holidays
	  	31
	 SECTION 114.
	  	 No Personal Liability of Directors, Officers, Employees and Stockholders
	  	31
	 SECTION 115.
	  	 Trust Indenture Act Controls
	  	31
	 SECTION 116.
	  	 Counterparts
	  	31
		
	 ARTICLE TWO
  
 NOTE FORMS
	  	
			
	 SECTION 201.
	  	 Form and Dating
	  	31
	 SECTION 202.
	  	 Execution, Authentication, Delivery and Dating
	  	32
		
	 ARTICLE THREE
  
 THE NOTES
	  	
			
	 SECTION 301.
	  	 Title and Terms
	  	33
	 SECTION 302.
	  	 Denominations
	  	33
	 SECTION 303.
	  	 Temporary Notes
	  	33
	 SECTION 304.
	  	 Note Registrar; Paying Agent; Registration of Transfer and Exchange
	  	34
	 SECTION 305.
	  	 Mutilated, Destroyed, Lost and Stolen Notes
	  	35
	 SECTION 306.
	  	 Payment of Interest; Interest Rights Preserved
	  	35
	 SECTION 307.
	  	 Persons Deemed Owners
	  	36
	 SECTION 308.
	  	 Cancellation
	  	36
	 SECTION 309.
	  	 Computation of Interest
	  	36
	 SECTION 310.
	  	 Transfer and Exchange
	  	36
	 SECTION 311.
	  	 CUSIP Numbers
	  	37
	 SECTION 312.
	  	 Issuance of Additional Notes
	  	37



	 1
	 This table of contents shall not, for any purpose, be deemed to be a part of this
Indenture. 


  

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	 	  	Page
	 ARTICLE FOUR
  
 SATISFACTION AND DISCHARGE
	  	
			
	 SECTION 401.
	  	 Satisfaction and Discharge of Indenture
	  	37
	 SECTION 402.
	  	 Application of Trust Money
	  	38
		
	 ARTICLE FIVE
  
 REMEDIES
	  	
			
	 SECTION 501.
	  	 Events of Default
	  	39
	 SECTION 502.
	  	 Acceleration of Maturity; Rescission and Annulment
	  	40
	 SECTION 503.
	  	 Collection of Indebtedness and Suits for Enforcement by Trustee
	  	41
	 SECTION 504.
	  	 Trustee May File Proofs of Claim
	  	41
	 SECTION 505.
	  	 Trustee May Enforce Claims Without Possession of Notes
	  	42
	 SECTION 506.
	  	 Application of Money Collected
	  	42
	 SECTION 507.
	  	 Limitation on Suits
	  	42
	 SECTION 508.
	  	 Unconditional Right of Holders to Receive Principal, Premium and Interest
	  	43
	 SECTION 509.
	  	 Restoration of Rights and Remedies
	  	43
	 SECTION 510.
	  	 Rights and Remedies Cumulative
	  	43
	 SECTION 511.
	  	 Delay or Omission Not Waiver
	  	43
	 SECTION 512.
	  	 Control by Holders
	  	43
	 SECTION 513.
	  	 Waiver of Default
	  	44
	 SECTION 514.
	  	 Waiver of Stay or Extension Laws
	  	44
	 SECTION 515.
	  	 Undertaking for Costs
	  	44
		
	 ARTICLE SIX
  
 THE TRUSTEE
	  	
			
	 SECTION 601.
	  	 Duties of the Trustee
	  	44
	 SECTION 602.
	  	 Notice of Defaults
	  	45
	 SECTION 603.
	  	 Certain Rights of Trustee
	  	45
	 SECTION 604.
	  	 Trustee Not Responsible for Recitals or Issuance of Notes
	  	46
	 SECTION 605.
	  	 May Hold Notes
	  	46
	 SECTION 606.
	  	 Money Held in Trust
	  	46
	 SECTION 607.
	  	 Compensation and Reimbursement
	  	46
	 SECTION 608.
	  	 Corporate Trustee Required; Eligibility
	  	47
	 SECTION 609.
	  	 Resignation and Removal; Appointment of Successor
	  	47
	 SECTION 610.
	  	 Acceptance of Appointment by Successor
	  	48
	 SECTION 611.
	  	 Merger, Conversion, Consolidation or Succession to Business
	  	48
	 SECTION 612.
	  	 Appointment of Authenticating Agent
	  	49
		
	 ARTICLE SEVEN
  
 HOLDERS LISTS AND REPORTS BY TRUSTEE AND COMPANY
	  	
			
	 SECTION 701.
	  	 Holder Lists
	  	50
	 SECTION 702.
	  	 Disclosure of Names and Addresses of Holders
	  	50
	 SECTION 703.
	  	 Reports by Trustee
	  	50

  

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	  	  	 	  	Page
	 ARTICLE EIGHT
  
 MERGER, CONSOLIDATION OR SALE OF ALL OR SUBSTANTIALLY ALL ASSETS
	  	
			
	 SECTION 801.
	  	 Company May Consolidate, Etc., Only on Certain Terms
	  	50
	 SECTION 802.
	  	 Subsidiary Guarantors May Consolidate, Etc., Only on Certain Terms
	  	51
	 SECTION 803.
	  	 Reserved
	  	51
	 SECTION 804.
	  	 Successor Substituted
	  	52
	 SECTION 805.
	  	 Reserved
	  	52
	 SECTION 806.
	  	 Assets of Subsidiary Apply to Company
	  	52
		
	 ARTICLE NINE
  
 AMENDMENT, SUPPLEMENT AND WAIVER
	  	
			
	 SECTION 901.
	  	 Amendments or Supplements Without Consent of Holders
	  	52
	 SECTION 902.
	  	 Amendments or Supplements with Consent of Holders
	  	53
	 SECTION 903.
	  	 Execution of Amendments, Supplements or Waivers
	  	54
	 SECTION 904.
	  	 Effect of Amendments, Supplements or Waivers
	  	54
	 SECTION 905.
	  	 Compliance with Trust Indenture Act
	  	54
	 SECTION 906.
	  	 Reference in Notes to Supplemental Indentures
	  	54
	 SECTION 907.
	  	 Notice of Supplemental Indentures
	  	54
		
	 ARTICLE TEN
  
 COVENANTS
	  	
			
	 SECTION 1001.
	  	 Payment of Principal, Premium, if Any, and Interest
	  	55
	 SECTION 1002.
	  	 Maintenance of Office or Agency
	  	55
	 SECTION 1003.
	  	 Paying Agent to Hold Money in Trust
	  	55
	 SECTION 1004.
	  	 Corporate Existence
	  	56
	 SECTION 1005.
	  	 Payment of Taxes and Other Claims
	  	56
	 SECTION 1006.
	  	 Reserved
	  	56
	 SECTION 1007.
	  	 Reserved
	  	56
	 SECTION 1008.
	  	 Statement by Officers as to Default
	  	56
	 SECTION 1009.
	  	 Reports and Other Information
	  	57
	 SECTION 1010.
	  	 Limitation on Restricted Payments
	  	58
	 SECTION 1011.
	  	 Limitation on Incurrence of Indebtedness and Issuance of Disqualified Stock and Preferred Stock
	  	63
	 SECTION 1012.
	  	 Liens
	  	68
	 SECTION 1013.
	  	 Limitations on Transactions with Affiliates
	  	68
	 SECTION 1014.
	  	 Limitations on Dividend and Other Payment Restrictions Affecting Restricted Subsidiaries
	  	70
	 SECTION 1015.
	  	 Limitation on Guarantees of Indebtedness by Restricted Subsidiaries
	  	71
	 SECTION 1016.
	  	 Limitation on Sale and Lease-Back Transactions
	  	72
	 SECTION 1017.
	  	 Change of Control
	  	72
	 SECTION 1018.
	  	 Asset Sales
	  	74
	 SECTION 1019.
	  	 No Amendment to Subordination Provisions
	  	76
	 SECTION 1020.
	  	 Designation of “Designated Senior Indebtedness”
	  	76
		
	 ARTICLE ELEVEN
  
 REDEMPTION OF NOTES
	  	
			
	 SECTION 1101.
	  	 Right of Redemption
	  	77

  

 -iii- 









					
	  	  	 	  	Page
	 SECTION 1102.
	  	 Mandatory Redemption
	  	77
	 SECTION 1103.
	  	 Applicability of Article
	  	77
	 SECTION 1104.
	  	 Election to Redeem; Notice to Trustee
	  	77
	 SECTION 1105.
	  	 Selection by Trustee of Notes to Be Redeemed
	  	77
	 SECTION 1106.
	  	 Notice of Redemption
	  	78
	 SECTION 1107.
	  	 Effect of Notice of Redemption
	  	79
	 SECTION 1108.
	  	 Deposit of Redemption Price
	  	79
	 SECTION 1109.
	  	 Notes Payable on Redemption Date
	  	79
	 SECTION 1110.
	  	 Notes Redeemed in Part
	  	79
		
	 ARTICLE TWELVE
  
 GUARANTEES
	  	
			
	 SECTION 1201.
	  	 Guarantees
	  	80
	 SECTION 1202.
	  	 Severability
	  	81
	 SECTION 1203.
	  	 Reserved
	  	81
	 SECTION 1204.
	  	 Limitation of Subsidiary Guarantors’ Liability
	  	81
	 SECTION 1205.
	  	 Contribution
	  	81
	 SECTION 1206.
	  	 Subrogation
	  	81
	 SECTION 1207.
	  	 Reinstatement
	  	81
	 SECTION 1208.
	  	 Release of a Subsidiary Guarantor
	  	81
	 SECTION 1209.
	  	 Benefits Acknowledged
	  	82
		
	 ARTICLE THIRTEEN
  
 LEGAL DEFEASANCE AND COVENANT DEFEASANCE
	  	
			
	 SECTION 1301.
	  	 Company’s Option to Effect Legal Defeasance or Covenant Defeasance
	  	82
	 SECTION 1302.
	  	 Legal Defeasance and Discharge
	  	82
	 SECTION 1303.
	  	 Covenant Defeasance
	  	83
	 SECTION 1304.
	  	 Conditions to Legal Defeasance or Covenant Defeasance
	  	83
	 SECTION 1305.
	  	 Deposited Money and Government Securities to Be Held in Trust; Other Miscellaneous Provisions
	  	84
	 SECTION 1306.
	  	 Reinstatement
	  	85
	 SECTION 1307.
	  	 Repayment to Company
	  	85

 APPENDIX & EXHIBITS 
 Rule 144A / Regulation S Appendix 
 EXHIBIT 1 to Rule 144A / Regulation S Appendix — Form of Initial Note 
 EXHIBIT 2 to Rule 144A / Regulation S Appendix — Form of Transferee Letter of Representation 
 EXHIBIT 3 to Rule 144A/Regulation S Appendix — Form of Non-U.S. Beneficial Ownership Certification by Euroclear or Clearstream
Luxembourg 
 EXHIBIT A — Form of Exchange Security or Private Exchange Security 
 EXHIBIT B — Form of Supplemental Indenture 
  

 -iv- 








 SENIOR INDENTURE dated as of September 11, 2007 (this “Indenture”), among ALERIS
INTERNATIONAL, INC., a Delaware corporation (the “Company”), and certain of Aleris International, Inc.’s direct and indirect Domestic Subsidiaries (as defined below), each named in Schedule I hereto (each, a “Subsidiary
Guarantor” and collectively, the “Subsidiary Guarantors”), and LASALLE BANK NATIONAL ASSOCIATION, as Trustee (the “Trustee”). 
 RECITALS 
 The Company has duly authorized the creation of an issue of (i) 9% Senior Notes Due
2014 issued on the date hereof (the “Initial Notes”) and (ii) if and when issued as required by the Registration Rights Agreement dated the date hereof, among the Company, the Subsidiary Guarantors and the Initial Purchaser (as
defined therein) (the “Registration Rights Agreement”), 9% Senior Exchange Notes Due 2014 issued in an Exchange Offer in exchange for any Initial Notes (the “Exchange Notes” and, collectively with the Initial Notes,
the “Notes”), of substantially the tenor and amount hereinafter set forth, and to provide therefor the Company and the Subsidiary Guarantors have duly authorized the execution and delivery of this Indenture. 
 The Subsidiary Guarantors have each duly authorized their Subsidiary Guarantee of the Initial Notes and, if and when issued, the Exchange Notes, and to
provide therefor the Subsidiary Guarantors have each duly authorized the execution and delivery of this Indenture. 
 All things necessary
have been done to make the Notes, when executed by the Company and authenticated and delivered hereunder and duly issued by the Company, the valid and legally binding obligations of the Company and to make this Indenture a valid and legally binding
agreement of the Company, in accordance with their and its terms. 
 All things necessary have been done to make the Subsidiary Guarantees,
upon execution and delivery of this Indenture, the valid obligations of each Subsidiary Guarantor and to make this Indenture a valid and legally binding agreement of each Subsidiary Guarantor, in accordance with their and its terms. 
 NOW, THEREFORE, THIS INDENTURE WITNESSETH: 
 For and in consideration of the premises and the purchase of the Notes by the Holders thereof, it is mutually covenanted and agreed, for the equal and ratable benefit of all Holders, as follows: 
 ARTICLE ONE 
 DEFINITIONS AND OTHER
PROVISIONS OF GENERAL APPLICATION 
 SECTION 101. Rules of Construction and Incorporation by Reference of Trust Indenture Act. For
all purposes of this Indenture, except as otherwise expressly provided or unless the context otherwise requires: 
 (1) the
terms defined in this Article One have the meanings assigned to them in this Article One, and words in the singular include the plural and words in the plural include the singular; 
 (2) all accounting terms not otherwise defined herein have the meanings assigned to them in accordance with GAAP (as herein defined);
provided that for clarity purposes, determination of whether an action is for speculative purposes is not an accounting term; 
 (3) the words “herein,” “hereof” and “hereunder” and other words of similar import refer to this Indenture as a whole and not to any particular Article, Section or other subdivision; 
 (4) all references to Articles, Sections, Exhibits and Appendices shall be construed to refer to Articles and Sections of, and Exhibits
and Appendices to, this Indenture; 
 (5) “including” means including without limitation; 







 (6) all references to the date the Notes were originally issued shall refer to the Issue
Date; and 
 (7) all references, in any context, to any interest or other amount payable on or with respect to the Notes shall
be deemed to include any Additional Interest (as herein defined) pursuant to the Registration Rights Agreement. 
 This Indenture is subject
to the mandatory provisions of the TIA (as herein defined) which are incorporated by reference in and made a part of this Indenture. The following TIA terms have the following meanings: 
 (1) “Commission” means the SEC; 
 (2) “indenture securities” means the Notes and the Subsidiary Guarantees; 
 (3) “indenture security holder” means a Holder; 
 (4) “indenture to be qualified” means this Indenture; 
 (5) “indenture trustee” or “institutional trustee” means the Trustee; and 
 (6) “obligor” on the Notes means the Company, each Subsidiary Guarantor and any successor obligor on the indenture
securities. 
 All other TIA terms used in this Indenture that are defined by the TIA, defined by TIA reference to another statute or defined
by SEC rule have the meanings assigned to them by such definitions. 
 SECTION 102. Definitions. 
 “ABL Credit Agreement” means the amended and restated credit agreement dated as of August 1, 2006, as amended and restated as of
December 19, 2006 and as further amended by the Incremental Commitment Agreement dated as of August 23, 2007, among the Company, Corus S.E.C./Corus L.P., Aleris Switzerland GmbH, each other Subsidiary of the Company set forth on the
signature pages thereto, the lenders party thereto from time to time and Deutsche Bank AG New York Branch, as Administrative Agent, together with the related documents thereto (including, without limitation, any guarantee agreements and security
documents), in each case as such agreements may be amended (including any amendment and restatement thereof), extended, renewed, restated, supplemented or otherwise modified (in whole or in part, and without limitation as to amount, terms,
conditions, covenants and other provisions) from time to time, including one or more credit facilities, credit agreements, loan agreements, indentures, commercial paper facilities or similar agreements extending the maturity of, refinancing,
refunding, replacing or otherwise restructuring (including increasing the amount of available borrowings thereunder or adding Restricted Subsidiaries of the Company as additional borrowers or guarantors thereunder) all or any portion of the
Indebtedness under such agreement or agreements or any successor or replacement agreement or agreements and whether by the same or any other agent, lender or group of lenders, or other investors and whether involving the same or different group of
the Company and Restricted Subsidiaries as principal obligors or guarantors. 
 “Acquired Indebtedness” means, with respect
to any specified Person, 
 (1) Indebtedness of any other Person existing at the time such other Person is merged with or into
or became a Restricted Subsidiary of such specified Person, including Indebtedness incurred in connection with, or in contemplation of, such other Person merging with or into, or becoming a Restricted Subsidiary of such specified Person; and

 (2) Indebtedness secured by a Lien encumbering any asset acquired by such specified Person. 
 “Act,” when used with respect to any Holder, has the meaning specified in Section 105 of this Indenture. 
  

 -2- 








 “Additional Interest” means all liquidated damages then owing pursuant to the
Registration Rights Agreement. 
 “Additional Notes” means any Notes issued by the Company pursuant to Section 312.

 “Affiliate” of any specified Person means any other Person directly or indirectly controlling or controlled by or under
direct or indirect common control with such specified Person. For purposes of this definition, “control” (including, with correlative meanings, the terms “controlling,” “controlled by” and “under common control
with”), as used with respect to any Person, shall mean the possession, directly or indirectly, of the power to direct or cause the direction of the management or policies of such Person, whether through the ownership of voting securities, by
agreement or otherwise. 
 “Affiliate Transaction” has the meaning specified in Section 1013(a) of this Indenture.

 “Applicable Premium” means, with respect to a Note at any Redemption Date, the greater of (i) 1.0% of the principal
amount of such Note and (ii) the excess of (A) the present value at such Redemption Date of (1) the Redemption Price of such Note on December 15, 2010 (such Redemption Price being that described in the table set forth in
Section 1101(b)) plus (2) all required remaining scheduled interest payments (calculated based on the cash interest rate payable on the Notes) due on such Note through such date (excluding accrued but unpaid interest to the
Redemption Date), computed using a discount rate equal to the Treasury Rate plus 50 basis points, over (B) the principal amount of such Note on such Redemption Date, as calculated by the Company or on behalf of the Company by such Person as the
Company shall designate; provided that such calculation shall not be a duty or obligation of the applicable Trustee. 
 “Asset
Sale” means 
 (1) the sale, conveyance, transfer or other disposition, whether in a single transaction or a series
of related transactions, of property or assets (including by way of a Sale and Lease-Back Transaction) of the Company or any Restricted Subsidiary (each referred to in this definition as a “disposition”); and 
 (2) the issuance or sale of Equity Interests of any Restricted Subsidiary, whether in a single transaction or a series of related
transactions, 
 in each case, other than: 
 (a) a disposition of cash, Cash Equivalents or Investment Grade Securities or excess, damaged, obsolete or worn out assets in the ordinary course of business or any disposition of inventory or goods held for sale in
the ordinary course of business; 
 (b) the disposition of all or substantially all of the assets of the Company in a manner
permitted pursuant to the provisions described under Section 801 of this Indenture or any disposition that constitutes a Change of Control pursuant to this Indenture; 
 (c) the making of any Permitted Investment or the making of any Restricted Payment that is not prohibited by Section 1010;

 (d) any disposition of assets or issuance or sale of Equity Interests of any Restricted Subsidiary in any transaction or
series of transactions with an aggregate fair market value of less than $25.0 million; 
 (e) any disposition of property or
assets or issuance of securities by a Restricted Subsidiary to the Company or by the Company or a Restricted Subsidiary to a Restricted Subsidiary; 
 (f) to the extent allowable under Section 1031 of the Code, any exchange of like property (excluding any boot thereon) for use in a Similar Business; 
  

 -3- 








 (g) the lease, assignment, license, sub-license or sub-lease of any real or personal
property in the ordinary course of business; 
 (h) any issuance or sale of Equity Interests in, or Indebtedness or other
securities of, an Unrestricted Subsidiary; 
 (i) foreclosures on assets; 
 (j) sales of accounts receivable, or participations therein, in connection with any Receivables Facility; and 
 (k) the unwinding of any Hedging Obligations. 
 “Asset Sale Offer” has the meaning specified in Section 1018 of this Indenture. 
 “Attributable Debt” in respect of a Sale and Lease-Back Transaction means, as at the time of determination, the present value (discounted at the cash interest rate borne by the Notes, compounded annually) of the total
obligations of the lessee for rental payments during the remaining term of the lease included in such Sale and Lease-Back Transaction (including any period for which such lease has been extended); provided, however, that if such Sale
and Lease-Back Transaction results in a Capitalized Lease Obligation, the amount of Indebtedness represented thereby shall be determined in accordance with the definition of “Capitalized Lease Obligation.” 
 “Authenticating Agent” has the meaning specified in Section 612 of this Indenture. 
 “Bankruptcy Law” means Title 11, United States Bankruptcy Code of 1978, as amended, or any similar United States federal or state or
foreign law relating to bankruptcy, insolvency, receivership, winding-up, liquidation, reorganization or relief of debtors or any amendment to, succession to or change in any such law. 
 “Board of Directors” means: 
 (1) with respect to a corporation, the board of directors of the corporation; 
 (2) with
respect to a partnership, the board of directors of the general partner of the partnership; and 
 (3) with respect to any
other Person, the board or committee of such Person serving a similar function. 
 “Board Resolution” means, with respect to
the Company, a duly adopted resolution of the Board of Directors of the Company or any committee thereof. 
 “Business Day”
means each day that is not a Legal Holiday. 
 “Capital Stock” means 
 (1) in the case of a corporation, corporate stock, 
 (2) in the case of an association or business entity, any and all shares, interests, participations, rights or other equivalents (however
designated) of corporate stock, 
 (3) in the case of a partnership or limited liability company, partnership or membership
interests (whether general or limited), and 
 (4) any other interest or participation that confers on a Person the right to
receive a share of the profits and losses of, or distributions of assets of, the issuing Person. 
  

 -4- 








 “Capitalized Lease Obligation” means, at the time any determination thereof is to be
made, the amount of the liability in respect of a capital lease that would at such time be required to be capitalized and reflected as a liability on a balance sheet (excluding the footnotes thereto) in accordance with GAAP. 
 “Cash Equivalents” means, as to any Person, 
 (1) securities issued or directly and fully guaranteed or insured by the United States or any agency, instrumentality or sponsored
corporation thereof and backed by the full faith and credit of the United States, and in each case having maturities of not more than 24 months from the date of acquisition; 
 (2) U.S. Dollar denominated time deposits, certificates of deposit, overnight bank deposits and bankers’ acceptances having
maturities within one year from the date of acquisition thereof issued by any lender under the Senior Credit Facilities or any commercial bank of recognized standing, having capital and surplus in excess of $250,000,000; 
 (3) repurchase obligations for underlying securities of the types described in clauses (1) and (2) above and entered into with
any commercial bank meeting the qualifications specified in clause (2) above; 
 (4) other investment instruments having
maturities within 180 days from the date of acquisition thereof offered or sponsored by financial institutions having capital and surplus in excess of $500,000,000; 
 (5) readily marketable direct obligations issued by any state of the United States or any political subdivision thereof having maturities
within 180 days from the date of acquisition thereof and having, at the time of acquisition thereof, one of the two highest rating categories obtainable from either Moody’s or S&P (or if at such time neither is issuing ratings, then a
comparable rating of another nationally recognized rating agency); 
 (6) commercial paper rated, at the time of acquisition
thereof, at least A-2 or the equivalent thereof by S&P or at least P-2 or the equivalent thereof by Moody’s (or if at such time neither is issuing ratings, then a comparable rating of another nationally recognized rating agency), in each
case maturing within one year after the date of acquisition; 
 (7) investments in money market funds which invest
substantially all their assets in securities of the types described in clauses (1) through (6) above; 
 (8) in the
case of any Foreign Subsidiary of the Company, (x) certificates of deposit or bankers’ acceptances of any bank organized under the laws of Canada, Japan or any country that is a member of the European economic and monetary union pursuant
to the Treaty whose short term commercial paper, at the time of acquisition thereof, is rated at least A-2 or the equivalent thereof by S&P or at least P-2 or the equivalent thereof by Moody’s (or if at such time neither is issuing ratings,
then a comparable rating of another nationally recognized rating agency), or, if no such commercial paper rating is available, a long-term debt rating, at the time of acquisition thereof, of at least A or the equivalent thereof by S&P or at
least A-2 or the equivalent thereof by Moody’s (or if at such time neither is issuing ratings, then a comparable rating of another nationally recognized rating agency), in each case maturing not more than one year from the date of acquisition
by such Foreign Subsidiary, (y) overnight deposits and demand deposit accounts maintained with any bank that such Foreign Subsidiary regularly transacts business and (z) securities of the type and maturity described in clause
(1) above but issued by the principal governmental authority in which such Foreign Subsidiary is organized so long as such security has the highest rating available from either S&P or Moody’s; 
 (9) Indebtedness or Preferred Stock issued by Persons with a rating of A or higher from S&P or A2 or higher from Moody’s with
maturities of one year or less from the date of acquisition; 
  

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 (10) U.S. Dollars; and 
 (11) Canadian dollars, Japanese yen, pounds sterling, Euros or, in the case of any Foreign Subsidiary that is a Restricted Subsidiary,
such local currencies held by it from time to time in the ordinary course of business. 
 “Change of Control” means the
occurrence of any of the following: 
 (1) the sale, lease or transfer, in one or a series of related transactions, of all or
substantially all of the assets of the Company and its Subsidiaries, taken as a whole, to any Person other than a Permitted Holder, or 
 (2) the Company becomes aware of (by way of a report or any other filing pursuant to Section 13(d) of the Exchange Act, proxy, vote, written notice or otherwise) the acquisition by any Person or group (within the
meaning of Section 13(d)(3) or Section 14(d)(2) of the Exchange Act, or any successor provision), including any group acting for the purpose of acquiring, holding or disposing of securities (within the meaning of Rule 13d-5(b)(1) under the
Exchange Act, or any successor provision), other than the Permitted Holders, in a single transaction or in a series of related transactions, by way of merger, consolidation or other business combination or purchase of beneficial ownership (within
the meaning of Rule 13d-3 under the Exchange Act, or any successor provision) of 50% or more of the total voting power of the Voting Stock of the Company or any of its direct or indirect parent companies. 
 “Change of Control Offer” has the meaning specified in Section 1017 of this Indenture. 
 “Change of Control Payment” has the meaning specified in Section 1017 of this Indenture. 
 “Change of Control Payment Date” has the meaning specified in Section 1017 of this Indenture. 
 “Code” means the Internal Revenue Code of 1986, as amended from time to time, and the regulations promulgated and rulings issued
thereunder. 
 “Co-Investors” means Persons (and their Affiliates) who, on December 19, 2006, were limited partners of
TPG Partners IV, L.P. or TPG Partners V, L.P. 
 “Company” means the Person named as the “Company” in the first
paragraph of this Indenture, until a successor Person shall have become such pursuant to the applicable provisions of this Indenture, and thereafter, “Company” shall mean such successor Person; provided that when used in the context
of determining the fair market value of an asset or liability under this Indenture, “Company” shall, unless otherwise expressly stated, be deemed to mean the Board of Directors of the Company when the fair market value of such asset or
liability is equal to or in excess of $100.0 million. 
 “Company Request” or “Company Order” means a
written request or order signed in the name of the Company by two Officers or one Officer and either an Assistant Treasurer or an Assistant Secretary of the Company, and delivered to the Trustee. 
 “consolidated” or “Consolidated” means, with respect to any Person, such Person consolidated with its Restricted
Subsidiaries, and excludes from such consolidation any Unrestricted Subsidiary as if such unrestricted subsidiary were not an Affiliate of such Person. 
 “Consolidated Depreciation and Amortization Expense” means with respect to any Person for any period, the total amount of depreciation and amortization expense, including the amortization of deferred
financing fees and other related noncash charges of such Person and its Restricted Subsidiaries for such period on a consolidated basis and otherwise determined in accordance with GAAP. 
  

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 “Consolidated Interest Expense” means, with respect to any Person for any period, the
sum, without duplication, of: 
 (a) consolidated interest expense of such Person and its Restricted Subsidiaries for such
period, to the extent such expense was deducted in computing Consolidated Net Income (including (a) amortization of original issue discount resulting from the issuance of Indebtedness at less than par, (b) all commissions, discounts and
other fees and charges owed with respect to letters of credit or bankers’ acceptances, (c) noncash interest payments (but excluding any noncash interest expense attributable to the movement in the mark-to-market valuation of Hedging
Obligations or other derivative instruments pursuant to GAAP), (d) the interest component of Capitalized Lease Obligations and (e) net payments, if any, pursuant to interest rate Hedging Obligations with respect to Indebtedness, and
excluding (i) Additional Interest, (ii) amortization of deferred financing fees, debt issuance costs, commissions, fees and expenses, (iii) any expensing of bridge, commitment and other financing fees and (iv) commissions,
discounts, yield and other fees and charges (including any interest expense) related to any Receivables Facility); plus 
 (b) consolidated capitalized interest of such Person and its Restricted Subsidiaries for such period, whether paid or accrued; less 
 (c) interest income for such period. 
 For purposes of this definition, interest on a Capitalized Lease
Obligation shall be deemed to accrue at an interest rate reasonably determined by such Person to be the rate of interest implicit in such Capitalized Lease Obligation in accordance with GAAP. 
 “Consolidated Net Income” means, with respect to any Person for any period, the aggregate of the Net Income of such Person and its
Restricted Subsidiaries for such period, on a consolidated basis, and otherwise determined in accordance with GAAP; provided that, without duplication: 
 (1) any net after-tax extraordinary gains or losses or any non-recurring or unusual gains or losses (less all fees and expenses relating
thereto) or expenses (including, but not limited to, any expenses relating to severance, relocation, one-time compensation charges and the Transactions and any expenses directly attributable to the implementation of cost saving initiatives) shall be
excluded; 
 (2) the Net Income for such period shall not include the cumulative effect of a change in accounting principles
during such period, whether effected through a cumulative effect adjustment or a retroactive application in each case in accordance with GAAP; 
 (3) any net after-tax income (loss) from disposed or discontinued operations and any net after-tax gains or losses on disposal of disposed or discontinued operations shall be excluded; 
 (4) any net after-tax gains or losses (less all fees and expenses relating thereto) attributable to asset dispositions or the sale or
other disposition of any Capital Stock of any Person other than in the ordinary course of business, as determined in good faith by the Company, shall be excluded; 
 (5) the Net Income for such period of any Person that is not a Subsidiary, or is an Unrestricted Subsidiary, or that is accounted for by
the equity method of accounting, shall be excluded; provided that Consolidated Net Income of such Person shall be increased by the amount of dividends or distributions or other payments that are actually paid in cash (or to the extent
converted into cash) to the referent Person or a Restricted Subsidiary thereof in respect of such period (subject in the case of dividends, distributions or other payments made to a Restricted Subsidiary to the limitations contained in clause
(6) below); 
 (6) solely for the purpose of determining the amount available for Restricted Payments under clause (C)(1)
of Section 1010(a) of this Indenture, the Net Income for such period of any Restricted Subsidiary (other than any Subsidiary Guarantor) shall be excluded if the declaration or payment of dividends or similar distributions by that Restricted
Subsidiary of its Net Income is not at the date of determination 

  

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wholly permitted without any prior governmental approval (which has not been obtained) or, directly or indirectly, by the operation of the terms of its
charter or any agreement, instrument, judgment, decree, order, statute, rule, or governmental regulation applicable to that Restricted Subsidiary or its stockholders, unless such restriction with respect to the payment of dividends or similar
distributions has been legally waived; provided that Consolidated Net Income of the Company shall be increased by the amount of dividends or other distributions or other payments actually paid in cash (or to the extent converted into cash) to
the Company or a Restricted Subsidiary thereof in respect of such period, to the extent not already included therein; 
 (7)
any increase in amortization or depreciation or other noncash charges resulting from the application of purchase accounting in relation to the Corus Transaction, the Transactions or any acquisition that is consummated after December 19, 2006,
net of taxes, shall be excluded; 
 (8) any net after-tax income (loss) from the early extinguishment of Indebtedness or
Hedging Obligations or other derivative instruments shall be excluded; 
 (9) any impairment charge or asset write-off, in
each case pursuant to GAAP, and the amortization of intangibles arising pursuant to GAAP shall be excluded; and 
 (10) any
noncash compensation expense recorded from grants of stock appreciation or similar rights, stock options, restricted stock or other rights to officers, directors or employees shall be excluded. 
 Notwithstanding the foregoing, for the purpose of Section 1010(a) of this Indenture only (other than clause (C)(4) thereof), there shall be excluded
from Consolidated Net Income any income arising from any sale or other disposition of Restricted Investments made by the Company and the Restricted Subsidiaries, any repurchases and redemptions of Restricted Investments from the Company and the
Restricted Subsidiaries, any repayments to the Company or a Restricted Subsidiary of loans and advances that constitute Restricted Investments, any sale of the stock of an Unrestricted Subsidiary or any distribution or dividend from an Unrestricted
Subsidiary, in each case only to the extent such amounts increase the amount of Restricted Payments permitted under Section 1010(a) of this Indenture pursuant to clause (C)(4). 
 “Consolidated Secured Debt Ratio” as of any date of determination means the ratio of (a) Consolidated Total Indebtedness of the
Company and the Restricted Subsidiaries that is secured by Liens as of the end of the most recent fiscal quarter for which internal financial statements are available immediately preceding the date on which such event for which such calculation is
being made shall occur to (b) the aggregate amount of EBITDA of the Company and the Restricted Subsidiaries for the period of the most recently ended consecutive four full fiscal quarters for which internal financial statements are available
immediately preceding the date on which such event for which such calculation is being made shall occur, in each case with such pro forma adjustments to Consolidated Total Indebtedness and EBITDA as are appropriate and consistent with the pro forma
adjustment provisions set forth in the definition of “Fixed Charge Coverage Ratio.” 
 “Consolidated Total
Indebtedness” means, as at any date of determination, an amount equal to the sum of (1) the aggregate amount of all outstanding Indebtedness of the Company and the Restricted Subsidiaries on a consolidated basis consisting of
Indebtedness for borrowed money, Obligations in respect of Capitalized Lease Obligations, Attributable Debt in respect of Sale and Lease-Back Transactions and debt obligations evidenced by bonds, notes, debentures or similar instruments or letters
of credit or bankers’ acceptances (and excluding (x) any undrawn letters of credit and (y) all obligations relating to Receivables Facilities) and (2) the aggregate amount of all outstanding Disqualified Stock of the Company and
all Disqualified Stock and Preferred Stock of the Restricted Subsidiaries (excluding items eliminated in consolidation), with the amount of such Disqualified Stock and Preferred Stock equal to the greater of their respective voluntary or involuntary
liquidation preferences and Maximum Fixed Repurchase Prices, in each case determined on a consolidated basis in accordance with GAAP. 
 For
purposes hereof, the “Maximum Fixed Repurchase Price” of any Disqualified Stock or Preferred Stock that does not have a fixed repurchase price shall be calculated in accordance with the terms of such Disqualified Stock or Preferred
Stock as if such Disqualified Stock or Preferred Stock were purchased on any date on which Consolidated Total Indebtedness shall be required to be determined pursuant to this Indenture, and if such price is based upon, or measured by, the fair
market value of such Disqualified Stock or Preferred Stock, such fair market value shall be determined reasonably and in good faith by the Company. 
  

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 “Contingent Obligations” means, with respect to any Person, any obligation of such
Person guaranteeing any leases, dividends or other obligations that do not constitute Indebtedness (the “primary obligations”) of any other Person (the “primary obligor”) in any manner, whether directly or
indirectly, including any obligation of such Person, whether or not contingent, 
 (1) to purchase any such primary obligation
or any property constituting direct or indirect security therefor, 
 (2) to advance or supply funds 
 (a) for the purchase or payment of any such primary obligation or 
 (b) to maintain working capital or equity capital of the primary obligor or otherwise to maintain the net worth or solvency of the primary
obligor, or 
 (3) to purchase property, securities or services primarily for the purpose of assuring the owner of any such
primary obligation of the ability of the primary obligor to make payment of such primary obligation against loss in respect thereof. 
 “Corporate Trust Office” means the principal corporate trust office of the Trustee, at which at any particular time its corporate trust business shall be principally administered, which office at the date of execution of
this Indenture is located at 135 S. LaSalle Street, Suite 1560, Chicago IL 60603; Attn: Corporate Trust Services Division, except that with respect to presentation of the Notes for payment or for registration of transfer or exchange, such term shall
mean the office or agency of the Trustee at which, at any particular time, its corporate agency business shall be conducted. 
 “Corus Acquisitions” means the acquisition consummated on August 1, 2006 by the Company and its Subsidiaries of (i) all of the limited partnership interests in Corus L.P., a limited partnership organized under the
laws of Quebec (n/k/a Aleris Aluminum Canada L.P.), and all of the shares of Corus Aluminium Inc., a corporation organized under the laws of Quebec (n/k/a Aleris Aluminum Canada Holding 2, Inc.), and each of their respective Subsidiaries and
(ii) all of the beneficial interest in the entire share capital of Corus Hylite BV (n/k/a Aleris Hylite B.V.), Corus Aluminium Rolled Products BV (n/k/a Aleris Aluminum Netherlands B.V.), Corus Aluminium NV, Corus Aluminium GmbH (n/k/a Aleris
Aluminum GmbH), Corus Aluminium Corp. (n/k/a Aleris Aluminum U.S. Sales, Inc.) and Hoogovens Aluminium Europe Inc. (n/k/a Aleris Aluminum Europe, Inc.) and each of their respective Subsidiaries. 
 “Corus Credit Documents” means collectively, (i) the Senior Bridge Loan Agreement dated as of August 1, 2006 among the Company
and the lenders party thereto, (ii) the Term Loan Agreement dated as of August 1, 2006 among the Company, certain of its Subsidiaries and the agents and lenders party thereto and (iii) the Credit Agreement dated as of August 1,
2006 among the Company, certain of its Subsidiaries and the agents and lenders party thereto and, in each case, all other instruments, documents, agreements and certificates executed in connection with the foregoing. 
 “Corus Transaction” means collectively, (i) the entering into of the Corus Credit Documents and the incurrence of borrowings
thereunder (including the issuance of letters of credit), (ii) the consummation of the Corus Acquisitions, (iii) the refinancing of Indebtedness consummated in connection with the transactions described in clauses (i) and (ii),
(iv) all intercompany loans, equity contributions, repayments of intercompany loans, dividends, distributions and other intercompany Investments related to the foregoing and (v) the payment of all fees and expenses in connection with the
foregoing. 
 “Covenant Defeasance” has the meaning specified in Section 1303 of this Indenture. 
  

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 “December 2006 Offering Circular” means the offering circular dated December 13,
2006 relating to the Senior PIK Notes and the Senior Subordinated Notes. 
 “December 2006 Registration Rights Agreement”
means the Registration Rights Agreement dated as of December 19, 2006, among the Company, the Subsidiary Guarantors and Deutsche Bank Securities Inc., Goldman, Sachs & Co., KeyBanc Capital Markets, a division of McDonald Investments
Inc., and PNC Capital Markets LLC, as the initial purchasers of the Senior PIK notes and the Senior Subordinated Notes. 
 “Default” means any event that is, or with the passage of time or the giving of notice or both would be, an Event of Default. 
 “Defaulted Interest” has the meaning specified in Section 306(b) of this Indenture. 
 “Depository” means The Depository Trust Company, its nominees and their respective successors. 
 “Designated Noncash Consideration” means the fair market value of noncash consideration received by the Company or a Restricted Subsidiary in connection with an Asset Sale that is so designated as Designated Noncash
Consideration pursuant to an Officers’ Certificate, setting forth the basis of such valuation, executed by an executive vice president and the principal financial officer of the Company (or a parent company thereof), less the amount of cash or
Cash Equivalents received in connection with a subsequent sale of such Designated Noncash Consideration. 
 “Designated Preferred
Stock” means Preferred Stock of the Company or any parent company thereof (in each case other than Disqualified Stock) that is issued for cash (other than to a Restricted Subsidiary) and is so designated as Designated Preferred Stock
pursuant to an Officers’ Certificate executed by an executive vice president and the principal financial officer of the Company or the applicable parent company thereof, as the case may be, on the issuance date thereof, the cash proceeds of
which are excluded from the calculation set forth in clause (C) of Section 1010(a) of this Indenture. 
 “Disqualified
Stock” means, with respect to any Person, any Capital Stock of such Person which, by its terms, or by the terms of any security into which it is convertible or for which it is putable or exchangeable, or upon the happening of any event,
matures or is mandatorily redeemable (other than solely for Capital Stock that is not Disqualified Stock), other than as a result of a change of control or asset sale, pursuant to a sinking fund obligation or otherwise, or is redeemable at the
option of the holder thereof, other than as a result of a change of control or asset sale, in whole or in part, in each case prior to the date that is 91 days after the earlier of the maturity date of the Notes and the date the Notes are no longer
outstanding; provided that if such Capital Stock is issued to any plan for the benefit of employees of the Company or its Subsidiaries or by any such plan to such employees, such Capital Stock shall not constitute Disqualified Stock solely
because it may be required to be repurchased by the Company or its Subsidiaries in order to satisfy applicable statutory or regulatory obligations. 
 “Domestic Subsidiary” means, with respect to any Person, any Restricted Subsidiary of such Person other than (i) a Foreign Subsidiary or (ii) a Domestic Subsidiary of a Foreign Subsidiary, but, in each case,
including any Subsidiary that guarantees or otherwise provides direct credit support for any indebtedness of the Company. 
 “EBITDA” means, with respect to any Person for any period, the Consolidated Net Income of such Person for such period, 
 (1) increased by (without duplication): 
 (a) provision for taxes based on income or profits,
plus franchise or similar taxes, of such Person for such period deducted in computing Consolidated Net Income; plus 
 (b) consolidated Fixed Charges of such Person for such period to the extent the same was deducted in computing Consolidated Net Income; plus 
  

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 (c) Consolidated Depreciation and Amortization Expense of such Person for such period to
the extent deducted in computing Consolidated Net Income; plus 
 (d) any expenses or charges related to any Equity
Offering, Permitted Investment, acquisition, disposition, recapitalization or the incurrence of Indebtedness permitted to be incurred by this Indenture including a refinancing thereof (whether or not successful) and any amendment or modification to
the terms of any such transactions, including such fees, expenses or charges related to the Corus Transaction and the Transactions, in each case, deducted in computing Consolidated Net Income; plus 
 (e) the amount of any restructuring charge or reserve deducted in such period in computing Consolidated Net Income, including any one-time
costs incurred in connection with (x) acquisitions after December 19, 2006 or (y) the closing of any production or manufacturing facilities after December 19, 2006; plus 
 (f) any write-offs, write-downs or other noncash charges reducing Consolidated Net Income for such period, excluding any such charge that
represents an accrual or reserve for a cash expenditure for a future period; plus 
 (g) the amount of any minority
interest expense deducted in computing Consolidated Net Income; plus 
 (h) the amount of management, monitoring,
consulting and advisory fees and related expenses paid (or any accruals related to such fees or related expenses) during such period to the Sponsor and the Co-Investors to the extent permitted under Section 1013 of this Indenture; plus

 (i)(A) the amount of cost savings projected by the Company in good faith to be realized as a result of actions taken
or expected to be taken during such period (calculated on a pro forma basis as though such cost savings had been realized on the first day of such period), net of the amount of actual benefits realized during such period from such actions;
provided that (x) such cost savings are reasonably identifiable and factually supportable, (y) such actions are taken within 36 months after December 19, 2006 and (z) the aggregate amount of cost savings added pursuant to
this clause (i)(A) shall not exceed $40.0 million for any four consecutive quarter period (which adjustments may be incremental to pro forma adjustments made pursuant to the second paragraph of the definition of “Fixed Charge Coverage
Ratio”) and (B) the amount of (i) cost savings or (ii) increases in EBITDA, in each case projected by the Company in good faith to be realized as the result of the replacement of or modification to contractual arrangements with
unaffiliated third parties (calculated on a pro forma basis as though such cost savings or increases in EBITDA had been realized on the first day of such period) and, in the case of cost savings, net of the amount of actual benefits realized
during such period from such action; provided that such contractual arrangements were entered into with a Person that was acquired by the Company or its Restricted Subsidiaries within 12 months of any such replacement or modification;
plus 
 (j) any costs or expenses incurred by the Company or a Restricted Subsidiary pursuant to any management equity
plan or stock option plan or any other management or employee benefit plan or agreement or any stock subscription or stockholders agreement, to the extent that such costs or expenses are funded with cash proceeds contributed to the capital of the
Company or net cash proceeds of issuance of Equity Interests of the Company (other than Disqualified Stock that is Preferred Stock) in each case, solely to the extent that such cash proceeds are excluded from the calculation set forth in clause
(C) of Section 1010(a); 
 (2) decreased by (without duplication) noncash gains increasing Consolidated Net Income
of such Person for such period, excluding any gains that represent the reversal of any accrual of, or cash reserve for, anticipated cash charges in any prior period (other than such cash charges that have been added back to Consolidated Net Income
in computing EBITDA in accordance with this definition); and 
  

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 (3) increased or decreased, as applicable, by (without duplication): 
 (a) any net gain or loss resulting in such period from Hedging Obligations and the application of Statement of Financial Accounting
Standards #133; 
 (b) any net gain or loss resulting in such period from currency translation gains or losses related to
currency remeasurements of Indebtedness; and 
 (c) the amount of gain or loss resulting in such period from a sale of
receivables and related assets to a Receivables Subsidiary in connection with a Receivables Facility. 
 “Equity Interests”
means Capital Stock and all warrants, options or other rights to acquire Capital Stock, but excluding any debt security that is convertible into, or exchangeable for, Capital Stock. 
 “Equity Offering” means any public or private sale of common stock or Preferred Stock of the Company or any of its direct or indirect
parent companies (excluding Disqualified Stock), other than 
 (a) public offerings with respect to the Company’s or any
direct or indirect parent company’s common stock registered on Form S-4 or Form S-8; 
 (b) any such public or private
sale that constitutes an Excluded Contribution; and 
 (c) an issuance to any Subsidiary of the Company. 
 “Event of Default” has the meaning specified in Section 501 of this Indenture. 
 “Excess Proceeds” has the meaning specified in Section 1018 of this Indenture. 
 “Exchange Act” means the Securities Exchange Act of 1934, as amended, and the rules and regulations of the SEC promulgated thereunder.

 “Exchange Notes” has the meaning specified in the first recital of this Indenture. Unless the context otherwise requires,
all references to the Exchange Notes shall include any Additional Notes. 
 “Exchange Offer” means the Exchange Offer as
defined in the Registration Rights Agreement. 
 “Exchange Offer Registration Statement” means the Exchange Offer
Registration Statement as defined in the Registration Rights Agreement. 
 “Excluded Contribution” means net cash proceeds,
marketable securities or Qualified Proceeds received by the Company from: 
 (a) contributions to its common equity capital;
and 
 (b) the sale (other than to a Subsidiary of the Company or to any management equity plan or stock option plan or any
other management or employee benefit plan or agreement of the Company) of Capital Stock (other than Disqualified Stock and Designated Preferred Stock) of the Company, 
 in each case designated as Excluded Contributions pursuant to an Officers’ Certificate executed by an executive vice president and the principal financial officer of the Company on the date such capital
contributions are made or the date such Equity Interests are sold, as the case may be, which are excluded from the calculation set forth in clause (C) of Section 1010(a) of this Indenture. 
 “Existing Indebtedness” means Indebtedness of the Company or the Restricted Subsidiaries in existence on December 19, 2006, plus
interest accruing thereon. 
  

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 “Fixed Charge Coverage Ratio” means, with respect to any Person for any period, the
ratio of EBITDA of such Person for such period to the Fixed Charges of such Person for such period. In the event that the Company or any Restricted Subsidiary incurs, assumes, guarantees, redeems, retires or extinguishes any Indebtedness (other than
Indebtedness incurred under any revolving credit facility that has been permanently repaid and has not been replaced) or issues or redeems Disqualified Stock or Preferred Stock subsequent to the commencement of the period for which the Fixed Charge
Coverage Ratio is being calculated but prior to or simultaneously with the event for which the calculation of the Fixed Charge Coverage Ratio is made (the “Calculation Date”), then the Fixed Charge Coverage Ratio shall be calculated
giving pro forma effect to such incurrence, assumption, guarantee, redemption, retirement or extinguishing of Indebtedness, or such issuance or redemption of Disqualified Stock or Preferred Stock, as if the same had occurred at the beginning
of the applicable four-quarter period (the “reference period”). 
 For purposes of making the computation referred to above,
Investments, acquisitions, dispositions, mergers, consolidations and disposed operations (as determined in accordance with GAAP) that have been made by the Company or any Restricted Subsidiary during the four-quarter reference period or subsequent
to such reference period and on or prior to or simultaneously with the Calculation Date shall be calculated on a pro forma basis assuming that all such Investments, acquisitions, dispositions, mergers, consolidations and disposed operations
(and the change in any associated fixed charges and the change in EBITDA resulting therefrom) had occurred on the first day of the reference period. If since the beginning of such period any Person (that subsequently became a Restricted Subsidiary
or was merged with or into the Company or any Restricted Subsidiary since the beginning of such period) shall have made any Investment, acquisition, disposition, merger, consolidation or disposed operation that would have required adjustment
pursuant to this definition, then the Fixed Charge Coverage Ratio shall be calculated giving pro forma effect thereto for such period as if such Investment, acquisition, disposition, merger, consolidation or disposed operation had occurred at
the beginning of the reference period. 
 For purposes of this definition, whenever pro forma effect is to be given to a transaction,
the pro forma calculations shall be made in good faith by a responsible financial or accounting officer of the Company. If any Indebtedness bears a floating rate of interest and is being given pro forma effect, the interest on such
Indebtedness shall be calculated as if the rate in effect on the Calculation Date had been the applicable rate for the entire period (taking into account any Hedging Obligations applicable to such Indebtedness). Interest on a Capitalized Lease
Obligation shall be deemed to accrue at an interest rate reasonably determined by a responsible financial or accounting officer of the Company to be the rate of interest implicit in such Capitalized Lease Obligation in accordance with GAAP. For
purposes of making the computation referred to above, interest on any Indebtedness under a revolving credit facility computed on a pro forma basis shall be computed based upon the average daily balance of such Indebtedness during the
applicable period. Interest on Indebtedness that may optionally be determined at an interest rate based upon a factor of a prime or similar rate, a eurocurrency interbank offered rate, or other rate, shall be deemed to have been based upon the rate
actually chosen, or, if none, then based upon such optional rate chosen as the Company may designate. 
 “Fixed Charges”
means, with respect to any Person for any period, the sum of 
 (a) Consolidated Interest Expense of such Person for such
period, 
 (b) all cash dividend payments (excluding items eliminated in consolidation) on any series of Preferred Stock made
during such period, and 
 (c) all cash dividend payments (excluding items eliminated in consolidation) on any series of
Disqualified Stock made during such period. 
 “Foreign Subsidiary” means, with respect to any Person, any Restricted
Subsidiary of such Person that is not organized or existing under the laws of the United States of America, any state thereof, the District of Columbia, or any territory thereof. 
 “Foreign Subsidiary Total Assets” means the total amount of all assets of Foreign Subsidiaries of the Company and the Restricted
Subsidiaries, determined on a consolidated basis in accordance with GAAP as shown on the most recent balance sheet of the Company. 
  

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 “GAAP” means generally accepted accounting principles in the United States of America
that are in effect on December 19, 2006. 
 “Government Securities” means securities that are 
 (a) direct obligations of the United States of America for the timely payment of which its full faith and credit is pledged; or

 (b) obligations of a Person controlled or supervised by and acting as an agency or instrumentality of the United States of
America the timely payment of which is unconditionally guaranteed as a full faith and credit obligation by the United States of America, 
 which, in either
case, are not callable or redeemable at the option of the issuers thereof, and shall also include a depository receipt issued by a bank (as defined in Section 3(a)(2) of the Securities Act), as custodian with respect to any such Government
Securities, or a specific payment of principal of or interest on any such Government Securities held by such custodian for the account of the holder of such depository receipt; provided that (except as required by law) such custodian is not
authorized to make any deduction from the amount payable to the holder of such depository receipt from any amount received by the custodian in respect of the Government Securities or the specific payment of principal of or interest on the Government
Securities evidenced by such depository receipt. 
 “guarantee” means a guarantee (other than by endorsement of negotiable
instruments for collection in the ordinary course of business), direct or indirect, in any manner (including letters of credit and reimbursement agreements in respect thereof), of all or any part of any Indebtedness or other obligations, and, when
used as a verb, shall have a corresponding meaning. 
 “Hedging Obligations” means, with respect to any Person, the
obligations of such Person under currency exchange, interest rate or commodity swap agreements, currency exchange, interest rate or commodity cap agreements and currency exchange, interest rate or commodity collar agreements and other agreements or
arrangements, in each case designed to protect such Person against fluctuations in currency exchange, interest rates or commodity prices. 
 “Holder” means the Person in whose name a Note is registered on the books of the Note Registrar. 
 “incur” has the meaning specified in Section 1011 of this Indenture. 
 “incurrence” has the
meaning specified in Section 1011 of this Indenture. 
 “Indebtedness” means, with respect to any Person: 

(a) any indebtedness (including principal and premium) of such Person, whether or not contingent: 
 (1) in respect of borrowed money; 
 (2) evidenced by bonds, notes, debentures or similar instruments or letters of credit or bankers’ acceptances (or, without double counting, reimbursement agreements in respect thereof); 
 (3) representing the balance deferred and unpaid of the purchase price of any property (including Capitalized Lease Obligations), except
any such balance that constitutes a trade payable or similar obligation to a trade creditor, in each case accrued in the ordinary course of business; or 
 (4) representing any Hedging Obligations; 
  

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 if and to the extent that any of the foregoing Indebtedness (other than letters of credit and Hedging
Obligations) would appear as a liability upon a balance sheet (excluding the footnotes thereto) of such Person prepared in accordance with GAAP; 
 (b) to the extent not otherwise included, any obligation by such Person to be liable for, or to pay, as obligor, guarantor or otherwise, on the obligations of the type referred to in clause (a) of another Person
(whether or not such items would appear upon the balance sheet of such obligor or guarantor), other than by endorsement of negotiable instruments for collection in the ordinary course of business; 
 (c) to the extent not otherwise included, the obligations of the type referred to in clause (a) of another Person secured by a Lien
on any asset owned by such Person, whether or not such obligations are assumed by such Person and whether or not such obligations would appear upon the balance sheet of such Person; provided that the amount of such Indebtedness shall be the
lesser of the fair market value of such asset at the date of determination and the amount of Indebtedness so secured; and 
 (d) Attributable Debt in respect of Sale and Lease-Back Transactions; 
 provided, however, that notwithstanding the foregoing,
Indebtedness shall be deemed not to include (A) Contingent Obligations incurred in the ordinary course of business and (B) Obligations under, or in respect of, Receivables Facilities. 
 “Indenture” means this instrument as originally executed and as it may from time to time be supplemented or amended by one or more
indentures supplemental hereto entered into pursuant to the applicable provisions hereof, including, for all purposes of this Indenture and any such supplemental indenture, the provisions of the Trust Indenture Act that are deemed to be part of and
govern this instrument and any such supplemental indenture, respectively. 
 “Indentures” means this Indenture, the Senior
PIK Indenture and the Senior Subordinated Indenture. 
 “Independent Financial Advisor” means an accounting, appraisal,
investment banking firm or consultant to Persons engaged in Similar Businesses of nationally recognized standing that is, in the good faith judgment of the Company, qualified to perform the task for which it has been engaged and that is independent
of the Company and its Affiliates. 
 “Initial Notes” has the meaning stated in the first recital of this Indenture.

 “Initial Purchaser” means Deutsche Bank Securities Inc. 
 “Interest Payment Date” means the Stated Maturity of an installment of interest on the Notes. 
 “Interest Period” means each period commencing on and including an Interest Payment Date (or, if there has not yet been an Interest
Payment Date, September 11, 2007) and ending on and including the day immediately preceding the next succeeding Interest Payment Date. 
 “Investment Grade Securities” means: 
 (1) securities issued or directly and fully guaranteed or
insured by the government of the United States of America or any agency or instrumentality thereof (other than Cash Equivalents); 
 (2) debt securities or debt instruments with a rating of BBB- or higher by S&P or Baa3 or higher by Moody’s or the equivalent of such rating by such rating organization, or, if no rating of S&P or Moody’s then exists, the
equivalent of such rating by any other nationally recognized securities rating agency, but excluding any debt securities or instruments constituting loans or advances among the Company and its Subsidiaries; 
  

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 (3) investments in any fund that invests exclusively in investments of the type described
in clauses (1) and (2), which fund may also hold immaterial amounts of cash pending investment or distribution; and 
 (4) corresponding instruments in countries other than the United States of America customarily utilized for high quality investments. 
 “Investments” means, with respect to any Person, all investments by such Person in other Persons (including Affiliates) in the form of loans (including guarantees), advances or capital contributions (including by means of
any transfer of cash or other property to others or any payment for property or services for the account or use of others, but excluding accounts receivable, trade credit, advances to customers, commission, travel and similar advances to officers
and employees, in each case made in the ordinary course of business), purchases or other acquisitions for consideration of Indebtedness, Equity Interests or other securities issued by any other Person and investments that are required by GAAP to be
classified on the balance sheet (excluding the footnotes) of such Person in the same manner as the other investments included in this definition to the extent such transactions involve the transfer of cash or other property. For purposes of the
definition of “Unrestricted Subsidiary” and Section 1010 of this Indenture: 
 (1) “Investments”
shall include the portion (proportionate to the Company’s equity interest in such Subsidiary) of the fair market value of the net assets of a Subsidiary of the Company at the time that such Subsidiary is designated an Unrestricted Subsidiary;
provided that upon a redesignation of such Subsidiary as a Restricted Subsidiary, the Company shall be deemed to continue to have a permanent “Investment” in an Unrestricted Subsidiary in an amount (if positive) equal to:

 (x) the Company’s “Investment” in such Subsidiary at the time of such redesignation; less 

(y) the portion (proportionate to the Company’s equity interest in such Subsidiary) of the fair market value of the net assets of
such Subsidiary at the time of such redesignation; and 
 (2) any property transferred to or from an Unrestricted Subsidiary
shall be valued at its fair market value at the time of such transfer, in each case as determined in good faith by the Company. 
 “Issue Date” means September 11, 2007. 
 “Legal Defeasance” has the meaning specified in
Section 1302 of this Indenture. 
 “Legal Holiday” means a Saturday, a Sunday or a day on which banking institutions
are not required to be open in Chicago, Illinois or in the State of New York. 
 “Lien” means, with respect to any asset,
any mortgage, lien, pledge, charge, security interest or encumbrance of any kind in respect of such asset, whether or not filed, recorded or otherwise perfected under applicable law, including any conditional sale or other title retention agreement,
any lease in the nature thereof, any option or other agreement to sell or give a security interest in and any filing of or agreement to give any financing statement under the Uniform Commercial Code (or equivalent statutes) of any jurisdiction;
provided that in no event shall an operating lease be deemed to constitute a Lien. 
 “Management Services Agreement”
means the Management Services Agreement as in effect on December 19, 2006 between the Company and the Sponsor. 
 “Maturity,” when used with respect to any Note, means the date on which the principal of such Note or an installment of principal becomes due and payable as therein or herein provided, whether at the Stated Maturity or by
declaration of acceleration, notice of redemption or otherwise. 
  

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 “Merger” means the merger of Aurora Acquisition Merger Sub, Inc., a Delaware
corporation, with and into Aleris International, Inc. pursuant to the Merger Agreement. 
 “Merger Agreement” means the
Agreement and Plan of Merger among Aurora Acquisition Holdings, Inc., Aurora Acquisition Merger Sub, Inc. and Aleris International, Inc., dated as of August 7, 2006. 
 “Moody’s” means Moody’s Investors Service, Inc. and any successor to its rating agency business. 
 “Net Income” means, with respect to any Person, the net income (loss) of such Person, determined in accordance with GAAP and before any reduction in respect of Preferred Stock dividends. 

“Net Proceeds” means the aggregate cash proceeds received by the Company or any Restricted Subsidiary in respect of any Asset Sale,
including any cash received upon the sale or other disposition of any Designated Noncash Consideration received in any Asset Sale, net of the direct costs relating to such Asset Sale and the sale or disposition of such Designated Noncash
Consideration, including legal, accounting and investment banking fees, and brokerage and sales commissions, any relocation expenses incurred as a result thereof, other fees and expenses, including title and recordation expenses, taxes paid or
payable as a result thereof (after taking into account any available tax credits or deductions and any tax sharing arrangements), amounts required to be applied to the repayment of principal, premium, if any, and interest on Indebtedness required
(other than by Section 1018(b)(1)) to be paid as a result of such transaction and any deduction of appropriate amounts to be provided by the Company or a Restricted Subsidiary as a reserve in accordance with GAAP against any liabilities
associated with the asset disposed of in such transaction and retained by the Company or a Restricted Subsidiary after such sale or other disposition thereof, including pension and other post-employment benefit liabilities and liabilities related to
environmental matters or against any indemnification obligations associated with such transaction. 
 “Non-U.S. Person”
means a Person who is not a U.S. Person. 
 “Note Register” and “Note Registrar” have the respective
meanings specified in Section 304. 
 “Notes” has the meaning stated in the first recital of this Indenture and more
particularly means any Notes authenticated and delivered under this Indenture. The Initial Notes and any Additional Notes shall be treated as a single class for all purposes of this Indenture, including waivers, amendments, redemptions and offers to
purchase, and unless the context otherwise requires, all references to the Notes shall include the Initial Notes, any Additional Notes and the Exchange Notes issued in exchange for the Initial Notes and any Additional Notes. 
 “Obligations” means any principal (including reimbursement obligations with respect to letters of credit whether or not drawn), interest
(including, to the extent legally permitted, all interest accrued thereon after the commencement of any insolvency or liquidation proceeding at the rate, including any applicable post-default rate, specified in the applicable agreement), premium (if
any), guarantees of payment, fees, indemnifications, reimbursements, expenses, damages and other liabilities payable under the documentation governing any Indebtedness; provided that Obligations with respect to the Notes shall not include
fees or indemnification in favor of the Trustee and any other third parties other than the Holders. 
 “Officer” means the
Chairman of the Board, the Chief Executive Officer, the Chief Financial Officer, the President, any Executive Vice President, Senior Vice President or Vice President, the Treasurer or the Secretary of the Company. 
 “Officers’ Certificate” means a certificate signed on behalf of the Company by two Officers of the Company, one of whom must be the
principal executive officer, the principal financial officer, the treasurer or the principal accounting officer of the Company, that meets the requirements set forth in this Indenture. 
 “Opinion of Counsel” means a written opinion from legal counsel. The counsel may be an employee of or counsel to the Company. Opinions
of Counsel required to be delivered under this Indenture may have qualifications customary for opinions of the type required and counsel delivering such Opinions of Counsel may rely on certificates of the Company or government or other officials
customary for opinions of the type required, including certificates certifying as to matters of fact, including that various covenants have been complied with. 
  

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 “Outstanding,” when used with respect to Notes, means, as of the date of determination,
all Notes theretofore authenticated and delivered under this Indenture, except: 
 (1) Notes theretofore cancelled by the
Trustee or delivered to the Trustee for cancellation; 
 (2) Notes, or portions thereof, for whose payment or redemption money
in the necessary amount has been theretofore deposited with the Trustee or any Paying Agent (other than the Company) in trust or set aside and segregated in trust by the Company (if the Company shall act as its own Paying Agent) for the Holders of
such Notes; provided that, if such Notes are to be redeemed, notice of such redemption has been duly given pursuant to this Indenture or provision therefor satisfactory to the Trustee has been made; 
 (3) Notes, except to the extent provided in Sections 1302 and 1303, with respect to which the Company has effected Legal Defeasance or
Covenant Defeasance as provided in Article Thirteen; and 
 (4) Notes which have been paid pursuant to Section 305 or in
exchange for or in lieu of which other Notes have been authenticated and delivered pursuant to this Indenture, other than any such Notes in respect of which there shall have been presented to the Trustee proof satisfactory to it that such Notes are
held by a Protected Purchaser in whose hands the Notes are valid obligations of the Company; 
 provided, however, that in determining whether
the Holders of the requisite principal amount of Outstanding Notes have given any request, demand, authorization, direction, consent, notice or waiver hereunder, and for the purpose of making the calculations required by TIA Section 316, Notes
owned by the Company or any other obligor upon the Notes or any Affiliate of the Company or such other obligor shall be disregarded and deemed not to be Outstanding, except that, in determining whether the Trustee shall be protected in making such
calculation or in relying upon any such request, demand, authorization, direction, notice, consent or waiver, only Notes which a Responsible Officer of the Trustee actually knows to be so owned shall be so disregarded. 
 “Paying Agent” means any Person (including the Company acting as Paying Agent) authorized by the Company to pay the principal of (and
premium, if any) or interest on any Notes on behalf of the Company. 
 “Permitted Asset Swap” means the concurrent purchase
and sale or exchange of Related Business Assets or a combination of Related Business Assets and cash or Cash Equivalents between the Company or any of its Restricted Subsidiaries and another Person that is not the Company or any of its Restricted
Subsidiaries; provided that any cash or Cash Equivalents received must be applied in accordance with Section 1018 of this Indenture. 
 “Permitted Holders” means the Sponsor and members of management of the Company (or its direct parent) who are holders of Equity Interests of the Company (or any of its direct or indirect parent companies) on
December 19, 2006 (the “Management Investors”) and any Co-Investors or Subsequent Co-Investors; provided, that the Sponsor, the Management Investors and the Co-Investors, collectively, have beneficial ownership of at
least 50% of the total voting power of the Voting Stock of the Company or any of its direct or indirect parent companies. Any Person or group whose acquisition of beneficial ownership constitutes a Change of Control in respect of which a Change of
Control Offer is made in accordance with the requirements of this Indenture shall thereafter, together with its Affiliates, constitute an additional Permitted Holder. 
 “Permitted Investments” means: 
 (a) any Investment in the Company or any
Restricted Subsidiary; 
 (b) any Investment in cash and Cash Equivalents or Investment Grade Securities; 
  

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 (c)(i) any Investment by the Company or any Restricted Subsidiary of the Company in a
Person that is engaged in a Similar Business if as a result of such Investment 
 (1) such Person becomes a Restricted
Subsidiary of the Company or 
 (2) such Person, in one transaction or a series of related transactions, is merged,
consolidated or amalgamated with or into, or transfers or conveys substantially all of its assets to, or is liquidated into, the Company or a Restricted Subsidiary of the Company and 
 (ii) any Investment held by such Person; 
 (d) any Investment in securities or other assets not constituting cash, Cash Equivalents or Investment Grade Securities and received in connection with an Asset Sale made pursuant to the provisions of
Section 1018 of this Indenture or any other disposition of assets not constituting an Asset Sale; 
 (e) any Investment
existing on December 19, 2006 or made pursuant to legally binding written commitments in existence on December 19, 2006; 
 (f) loans and advances to, and guarantees of Indebtedness of, employees of the Company (or any of its direct or indirect parent companies) or a Restricted Subsidiary not in excess of $8.0 million outstanding at any one time, in the
aggregate; 
 (g) any Investment acquired by the Company or any Restricted Subsidiary 
 (1)(x) in exchange for any other Investment or accounts receivable held by the Company or any such Restricted Subsidiary in connection
with or as a result of a bankruptcy, workout, reorganization or recapitalization of the Person in which such other Investment is made or which is the obligor with respect to such accounts receivable or (y) in good faith settlement of delinquent
obligations of, and other disputes with, customers, trade debtors, licensors, licensees and suppliers arising in the ordinary course; or 
 (2) as a result of a foreclosure by the Company or any Restricted Subsidiary with respect to any secured Investment or other transfer of title with respect to any secured Investment in default; 
 (h) Hedging Obligations permitted under Section 1011(b)(12) of this Indenture; 
 (i) loans and advances to officers, directors and employees of the Company (or any of its direct or indirect parent companies) or a
Restricted Subsidiary for business-related travel expenses, moving expenses and other similar expenses, in each case incurred in the ordinary course of business or consistent with past practice or to fund such Person’s purchase of Equity
Interests of the Company or any direct or indirect parent company thereof under compensation plans approved by the Board of Directors of the Company in good faith; 
 (j) Investments the payment for which consists of Equity Interests of the Company or any of its direct or indirect parent companies
(exclusive of Disqualified Stock); provided that such Equity Interests shall not increase the amount available for Restricted Payments under clause (C) of Section 1010(a) of this Indenture; 
 (k) guarantees of Indebtedness permitted under Section 1011 and performance guarantees in the ordinary course of business;

 (l) any transaction to the extent it constitutes an Investment that is permitted and made in accordance with
Section 1013(b) (except transactions described in Sections 1013(b)(2), (6) and (11)); 
  

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 (m) Investments consisting of purchases and acquisitions of inventory, supplies, material
or equipment or the licensing or contribution of intellectual property pursuant to joint marketing arrangements with other Persons; 
 (n) Investments in a Similar Business having an aggregate fair market value, taken together with all other Investments made pursuant to this clause (n) that are at that time outstanding (without giving effect to the sale of an
Unrestricted Subsidiary to the extent the proceeds of such sale do not consist of cash or marketable securities), not to exceed the greater of (x) $100.0 million and (y) 3.0% of Total Assets at the time of each Investment (with the fair
market value of each Investment being measured at the time made and without giving effect to subsequent changes in value); 
 (o) Investments relating to a Receivables Facility; provided that in the case of Receivables Facilities established after December 19, 2006, such Investments are necessary or advisable (in the good faith determination of the
Company) to effect such Receivables Facility; 
 (p) additional Investments having an aggregate fair market value, taken
together with all other Investments made pursuant to this clause (p) that are at that time outstanding (without giving effect to the sale of an Unrestricted Subsidiary to the extent the proceeds of such sale do not consist of cash or marketable
securities), not to exceed the greater of (x) $125.0 million and (y) 4.0% of Total Assets (with the fair market value of each Investment being measured at the time made and without giving effect to subsequent changes in value); and

 (q) Investments in joint ventures having an aggregate fair market value, taken together with all other Investments made
pursuant to this clause (q) that are at that time outstanding, not to exceed the greater of (x) $100.0 million and (y) 3.0% of Total Assets (with the fair market value of each Investment being measured at the time made and without
giving effect to subsequent changes in value). 
 “Permitted Liens” means, with respect to any Person: 
 (1) Liens to secure Indebtedness incurred under Sections 1011(b)(1) and (2) (and, in each case, any related Obligations); 

(2) pledges or deposits by such Person under workmen’s compensation laws, unemployment insurance laws or similar legislation, or
good faith deposits, prepayments or cash pledges to secure bids, tenders, contracts (other than for the payment of Indebtedness) or leases to which such Person is a party, or deposits to secure public or statutory obligations of such Person or
deposits of cash or U.S. government bonds to secure surety or appeal bonds to which such Person is a party, or deposits as security for contested taxes or import duties or for the payment of rent, in each case incurred in the ordinary course of
business; 
 (3) Liens imposed by law, such as landlords’, carriers’, warehousemen’s and mechanics’ Liens
and other similar Liens, in each case, for sums not yet overdue for a period of more than 30 days or being contested in good faith by appropriate proceedings or other Liens arising out of judgments or awards against such Person with respect to which
such Person shall then be proceeding with an appeal or other proceedings for review, if adequate reserves with respect thereto are maintained on the books of such Person in accordance with GAAP; 
 (4) Liens for taxes, assessments or other governmental charges or claims not yet overdue for a period of more than 30 days or payable or
subject to penalties for nonpayment or which are being contested in good faith by appropriate proceedings diligently conducted, if adequate reserves with respect thereto are maintained on the books of such Person in accordance with GAAP; 

(5) Liens in favor of issuers of performance and surety bonds or bid bonds or with respect to other regulatory requirements or letters
of credit issued pursuant to the request of and for the account of such Person in the ordinary course of its business; 
  

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 (6) minor survey exceptions, minor encumbrances, easements or reservations of, or rights
of others for, licenses, rights-of-way, sewers, electric lines, telegraph and telephone lines and other similar purposes, or zoning or other restrictions as to the use of real properties or Liens incidental to the conduct of the business of such
Person or to the ownership of its properties, in each case, which were not incurred in connection with Indebtedness and which do not in the aggregate materially adversely affect the value of said properties or materially impair their use in the
operation of the business of such Person; 
 (7) Liens existing on December 19, 2006; 
 (8) Liens on property or shares of stock of a Person at the time such Person becomes a Subsidiary; provided that such Liens are not
created or incurred in connection with, or in contemplation of, such other Person becoming such a Subsidiary; provided, further, that such Liens may not extend to any other property owned by the Company or any Restricted Subsidiary;

 (9) Liens on property at the time the Company or a Restricted Subsidiary acquired the property, including any acquisition
by means of a merger or consolidation with or into the Company or any Restricted Subsidiary; provided that such Liens are not created or incurred in connection with, or in contemplation of, such acquisition; provided, further,
that the Liens may not extend to any other property owned by the Company or any Restricted Subsidiary; 
 (10) Liens securing
Indebtedness or other obligations of a Restricted Subsidiary owing to the Company or another Restricted Subsidiary permitted to be incurred in accordance with Section 1011 of this Indenture; 
 (11) Liens on specific items of inventory or other goods and proceeds of any Person securing such Person’s obligations in respect of
bankers’ acceptances issued or created for the account of such Person to facilitate the purchase, shipment or storage of such inventory or other goods; 
 (12) leases, licenses, subleases and sublicenses of assets (including, without limitation, real property and intellectual property rights)
in the ordinary course of business which do not materially interfere with the ordinary conduct of the business of the Company or any of the Restricted Subsidiaries and do not secure any Indebtedness; 
 (13) Liens arising from financing statement filings under the Uniform Commercial Code or similar state laws regarding (i) operating
leases entered into by the Company and its Restricted Subsidiaries in the ordinary course of business and (ii) goods consigned or entrusted to or bailed with a Person in connection with the processing, reprocessing, recycling or tolling of such
goods; 
 (14) Liens in favor of the Company or any Subsidiary Guarantor; 
 (15) Liens on inventory or equipment of the Company or any Restricted Subsidiary granted in the ordinary course of business to the
Company’s client at which such inventory or equipment is located; 
 (16) Liens on accounts receivable and related assets
incurred in connection with a Receivables Facility; 
 (17) Liens to secure any refinancing, refunding, extension, renewal or
replacement (or successive refinancings, refundings, extensions, renewals or replacements) as a whole, or in part, of any Indebtedness secured by any Lien referred to in the foregoing clauses (1), (7), (8) and (9) and the following clauses
(18) and (28); provided that (x) such new Lien shall be limited to all or part of the same property that secured the original Lien (plus improvements on such property), and (y) the Indebtedness secured by such Lien at such time
is not increased to any amount greater than the sum of (A) the outstanding principal amount or, if greater, committed amount of the Indebtedness described under clauses (1), (7), (8), (9) and the following clauses (18) and
(28) at the time the original Lien became a Permitted Lien under this Indenture, and (B) an amount necessary to pay any fees and expenses, including premiums, related to such refinancing, refunding, extension, renewal or replacement;

  

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 (18) Liens securing Indebtedness permitted to be incurred pursuant to Sections
1011(b)(6), (19), (20), (22)(i) and (23); provided that (A) Liens securing Indebtedness permitted to be incurred pursuant to clause (19) are solely on acquired property or the assets of the acquired entity, as the case may be
and (B) Liens securing Indebtedness permitted to be incurred pursuant to clause (20) extend only to the assets of Foreign Subsidiaries; 
 (19) deposits in the ordinary course of business to secure liability to insurance carriers; 
 (20) Liens securing judgments for the payment of money not constituting an Event of Default under clause (5) under Section 501 of this Indenture, so long as such Liens are adequately bonded and any appropriate legal proceedings
that may have been duly initiated for the review of such judgment have not been finally terminated or the period within which such proceedings may be initiated has not expired; 
 (21) Liens in favor of customs and revenue authorities arising as a matter of law to secure payment of customs duties in connection with
the importation or exportation of goods in the ordinary course of business; 
 (22) Liens (i) of a collection bank
arising under Section 4-210 of the Uniform Commercial Code on items in the course of collection, (ii) attaching to commodity trading accounts or other commodity brokerage accounts incurred in the ordinary course of business and
(iii) in favor of banking institutions arising as a matter of law encumbering deposits (including the right of set-off) and which are within the general parameters customary in the banking industry; 
 (23) Liens that are contractual rights of set-off (i) relating to the establishment of depository relations with banks not given in
connection with the issuance of Indebtedness, (ii) relating to pooled deposit or sweep accounts of the Company or any of its Restricted Subsidiaries to permit satisfaction of overdraft or similar obligations incurred in the ordinary course of
business of the Company and its Restricted Subsidiaries or (iii) relating to purchase orders and other agreements entered into with customers of the Company or any of its Restricted Subsidiaries in the ordinary course of business; 

(24) Liens encumbering reasonable customary initial deposits and margin deposits and similar Liens attaching to commodity trading
accounts or other brokerage accounts incurred in the ordinary course of business and not for speculative purposes; 
 (25)
Liens deemed to exist in connection with Investments in repurchase agreements permitted under Section 1011 of this Indenture; provided that such Liens do not extend to any assets other than those assets that are the subject of such
repurchase agreement; 
 (26) other Liens securing obligations incurred in the ordinary course of business which obligations
do not exceed $50.0 million; 
 (27) Liens securing Hedging Obligations; and 
 (28) Liens incurred to secure Obligations in respect of any Indebtedness permitted to be incurred pursuant to the covenant described under
Section 1011; provided that, at the time of incurrence and after giving pro forma effect thereto, the Consolidated Secured Debt Ratio would be no greater than 3.00:1.0. 
 “Person” means any individual, corporation, limited liability company, partnership, joint venture, association, joint stock company,
trust, unincorporated organization, government or any agency or political subdivision thereof or any other entity. 
  

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 “Predecessor Note” of any particular Note means every previous Note evidencing all or a
portion of the same debt as that evidenced by such particular Note; and, for the purposes of this definition, any Note authenticated and delivered under Section 305 in exchange for a mutilated Note or in lieu of a lost, destroyed or stolen Note
shall be deemed to evidence the same debt as the mutilated, lost, destroyed or stolen Note. 
 “Preferred Stock” means any
Equity Interest with preferential rights of payment of dividends or upon liquidation, dissolution or winding up. 
 “Protected
Purchaser” has the meaning specified in Section 305 of this Indenture. 
 “Qualified Proceeds” means assets
that are used or useful in, or Capital Stock of any Person engaged in, a Similar Business; provided that the fair market value of any such assets or Capital Stock shall be determined by the Company in good faith. 
 “Qualifying Trustee” has the meaning specified in Section 1305 of this Indenture. 
 “Receivables Facility” means one or more receivables financing facilities, as amended, supplemented, modified, extended, renewed,
restated, refunded, replaced or refinanced from time to time, the Indebtedness of which is non-recourse (except for standard representations, warranties, covenants and indemnities made in connection with such facilities) to the Company and its
Restricted Subsidiaries pursuant to which the Company or any of its Restricted Subsidiaries sells its accounts receivable to either (a) a Person that is not a Restricted Subsidiary or (b) a Receivables Subsidiary that in turn sells its
accounts receivable to a Person that is not a Restricted Subsidiary. 
 “Receivables Fees” means distributions or payments
made directly or by means of discounts with respect to any participation interest issued or sold in connection with, and other fees paid to a Person that is not a Restricted Subsidiary in connection with, any Receivables Facility. 
 “Receivables Subsidiary” means any Subsidiary formed solely for the purpose of engaging, and that engages only, in one or more
Receivables Facilities. 
 “Redemption Date,” when used with respect to any Note to be redeemed, in whole or in part, means
the date fixed for such redemption by or pursuant to this Indenture. 
 “Redemption Price,” when used with respect to any
Note to be redeemed, means the price at which it is to be redeemed pursuant to this Indenture. 
 “Refinancing Indebtedness”
has the meaning specified in Section 1011 of this Indenture. 
 “Refunding Capital Stock” has the meaning specified in
Section 1010 of this Indenture. 
 “Registration Rights Agreement” means the Registration Rights Agreement dated as of
the Issue Date, among the Company, the Subsidiary Guarantors and the Initial Purchaser, as may be amended, restated, supplemented or otherwise modified (in whole or in part) from time to time. 
 “Regular Record Date” has the meaning specified in Section 301 of this Indenture. 
 “Related Business Assets” means assets (other than cash or Cash Equivalents) used or useful in a Similar Business; provided that
any assets received by the Company or a Restricted Subsidiary in exchange for assets transferred by the Company or a Restricted Subsidiary shall not be deemed to be Related Business Assets if they consist of securities of a Person, unless upon
receipt of the securities of such Person, such Person would become a Restricted Subsidiary. 
 “Responsible Officer,” when
used with respect to the Trustee, means any vice president, any assistant treasurer, any trust officer or assistant trust officer, or any other officer of the Trustee customarily performing functions similar to those performed by any of the
above-designated officers, and also means, with respect to a particular corporate trust matter, any other officer to whom such matter is referred because of his knowledge of and familiarity with the particular subject and who shall have direct
responsibility for the administration of this Indenture. 
  

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 “Restricted Investment” means an Investment other than a Permitted Investment.

 “Restricted Payments” has the meaning specified in Section 1010 of this Indenture. 
 “Restricted Subsidiary” means, at any time, any direct or indirect Subsidiary of the Company (including any Foreign Subsidiary) that is
not then an Unrestricted Subsidiary; provided that upon the occurrence of an Unrestricted Subsidiary ceasing to be an Unrestricted Subsidiary, such Subsidiary shall be included in the definition of “Restricted Subsidiary.”

 “Retired Capital Stock” has the meaning specified in Section 1010 of this Indenture. 
 “S&P” means Standard and Poor’s, a division of the McGraw-Hill Companies, Inc., and any successor to its rating agency
business. 
 “Sale and Lease-Back Transaction” means any arrangement with any Person providing for the leasing by the
Company or any Restricted Subsidiary of any real or tangible personal property, which property has been or is to be sold or transferred by the Company or such Restricted Subsidiary to such Person in contemplation of such leasing. 
 “SEC” means the Securities and Exchange Commission. 
 “Secured Indebtedness” means any Indebtedness secured by a Lien. 
 “Securities
Act” means the Securities Act of 1933, as amended, and the rules and regulations of the SEC promulgated thereunder. 
 “Senior Credit Facilities” means the ABL Credit Agreement and the Term Credit Agreement. 
 “Senior
Indebtedness” means with respect to any Person: 
 (1) all Indebtedness of such Person, whether outstanding on the
Issue Date or thereafter incurred; and 
 (2) all other Obligations of such Person (including interest accruing on or after
the filing of any petition in bankruptcy or for reorganization relating to such Person whether or not post-filing interest is allowed in such proceeding) in respect of Indebtedness described in clause (1) above 
 unless, in the case of clauses (1) and (2), the instrument creating or evidencing the same or pursuant to which the same is outstanding expressly provides that such
Indebtedness or other Obligations are subordinate in right of payment to the Notes or the Subsidiary Guarantee of such Person, as the case may be; provided that Senior Indebtedness shall not include: 
 (1) any obligation of such Person to the Company or any Subsidiary or to any joint venture in which the Company or any Restricted
Subsidiary has an interest; 
 (2) any liability for Federal, state, local or other taxes owed or owing by such Person;

 (3) any accounts payable or other liability to trade creditors in the ordinary course of business (including guarantees
thereof as instruments evidencing such liabilities); 
 (4) any Indebtedness or other Obligation of such Person that is
subordinate or junior in right of payment with respect to any other Indebtedness or other Obligation of such Person; or 
  

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 (5) that portion of any Indebtedness that at the time of incurrence is incurred in
violation of this Indenture. 
 “Senior PIK Indenture” means the Senior PIK Indenture dated as of December 19, 2006,
among the Company, as issuer, certain of its Subsidiaries, as guarantors and LaSalle Bank National Association, as trustee, pursuant to which the Senior PIK Notes were issued. 
 “Senior PIK Notes” means the $600,000,000 aggregate principal amount of 9%/9 3/4% Senior PIK Notes due 2014 issued by the Company under
the Senior PIK Indenture on December 19, 2006. 
 “Senior Subordinated Indenture” means the Senior Subordinated
Indenture dated as of December 19, 2006, among the Company, as issuer, certain of its Subsidiaries, as guarantors and LaSalle Bank National Association, as trustee, pursuant to which the Senior Subordinated Notes were issued. 
 “Senior Subordinated Notes” means the $400,000,000 aggregate principal amount of 10% Senior Subordinated Notes due 2016 issued by the
Company under the Senior Subordinated Indenture on December 19, 2006. 
 “Shelf Registration Statement” means the shelf
registration statement as defined in the Registration Rights Agreement. 
 “Significant Subsidiary” means any Restricted
Subsidiary of the Company that would be a “significant subsidiary” as defined in Article 1, Rule 1-02 of Regulation S-X, promulgated pursuant to the Securities Act, as such regulation is in effect on the date hereof. 
 “Similar Business” means any business conducted by the Company and its Restricted Subsidiaries on December 19, 2006 or any business
that is similar, reasonably related, incidental or ancillary thereto. 
 “Special Record Date” for the payment of any
Defaulted Interest means a date fixed by the Trustee pursuant to Section 306. 
 “Sponsor” means Texas Pacific Group
and its Affiliates, but not including any portfolio companies thereof. 
 “Stated Maturity,” when used with respect to any
Note or any installment of principal thereof or interest thereon, means the date specified in such Note as the fixed date on which the principal of such Note or such installment of principal or interest is due and payable. 
 “Subordinated Indebtedness” means 
 (a) with respect to the Company, any Indebtedness of the Company that is by its terms subordinated in right of payment to the Notes, and 
 (b) with respect to any Subsidiary Guarantor, any Indebtedness of such Subsidiary Guarantor that is by its terms subordinated in right of
payment to the Subsidiary Guarantee of such Subsidiary Guarantor. 
 “Subsequent Co-Investors” means any Person (other than
the Sponsor and the Co-Investors) and its Affiliates who, in connection with the acquisition of Equity Interests of the Company (or any of its direct or indirect parent companies) after December 19, 2006, is part of a group (within the meaning
of Section 13(d)(3) or Section 14(d)(2) of the Exchange Act, or any successor provision) in which any of the Sponsor, the Co-Investors or Management Investors is a member. 
 “Subsidiary” means, with respect to any Person, 
 (1) any corporation, association, or other business entity (other than a partnership, joint venture, limited liability company or similar
entity) of which more than 50% of the total voting power of 

  

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shares of Capital Stock entitled (without regard to the occurrence of any contingency) to vote in the election of directors, managers or trustees thereof is
at the time of determination owned or controlled, directly or indirectly, by such Person or one or more of the other Subsidiaries of that Person or a combination thereof and 
 (2) any partnership, joint venture, limited liability company or similar entity of which 
 (x) more than 50% of the capital accounts, distribution rights, total equity and voting interests or general or limited partnership
interests, as applicable, are owned or controlled, directly or indirectly, by such Person or one or more of the other Subsidiaries of that Person or a combination thereof whether in the form of membership, general, special or limited partnership or
otherwise, and 
 (y) such Person or any Restricted Subsidiary of such Person is a controlling general partner or otherwise
controls such entity. 
 “Subsidiary Guarantee” means the guarantee by any Subsidiary Guarantor of the Company’s
Obligations under this Indenture and the Notes. 
 “Subsidiary Guarantor” means each Restricted Subsidiary of the Company
that executes this Indenture as a guarantor on the Issue Date and each other Restricted Subsidiary of the Company that thereafter guarantees the Notes pursuant to the terms of this Indenture. 
 “Successor Company” has the meaning specified in Section 801 of this Indenture. 
 “Successor Person” has the meaning specified in Section 802 of this Indenture. 
 “Term Credit Agreement” means the credit agreement dated as of December 19, 2006, among the Company, Aleris Deutschland Holding
GmbH, the lenders party thereto from time to time and Deutsche Bank AG New York Branch, as Administrative Agent, together with the related documents thereto (including, without limitation, any guarantee agreements and security documents), in each
case as such agreements may be amended (including any amendment and restatement thereof), extended, renewed, restated, supplemented or otherwise modified (in whole or in part, and without limitation as to amount, terms, conditions, covenants and
other provisions) from time to time, including one or more credit facilities, credit agreements, loan agreements, indentures, commercial paper facilities or similar agreements extending the maturity of, refinancing, refunding, replacing or otherwise
restructuring (including increasing the amount of available borrowings thereunder or adding Restricted Subsidiaries of the Company as additional borrowers or guarantors thereunder) all or any portion of the Indebtedness under such agreement or
agreements or any successor or replacement agreement or agreements and whether by the same or any other agent, lender or group of lenders, or other investors and whether involving the same or a different group of the Company and Restricted
Subsidiaries as principal obligors or guarantors. 
 “Total Assets” means the total amount of all assets of the Company and
the Restricted Subsidiaries, determined on a consolidated basis in accordance with GAAP as shown on the most recent balance sheet of the Company. 
 “Transactions” means the Merger, including the payment of the merger consideration in connection therewith, the investment by the Sponsor, the Co-Investors and members of management, the issuance of the Senior PIK Notes and
the Senior Subordinated Notes and the execution of, and borrowings on December 19, 2006 under the Senior Credit Facilities as in effect on December 19, 2006, the pledge and security arrangements in connection with the foregoing, the
refinancing of certain Indebtedness in connection with the foregoing and the related transactions described in the December 2006 Offering Circular, in particular as described under the section thereof entitled “The Transactions.”

 “Treasury Rate” means, as of any Redemption Date, the yield to maturity as of such Redemption Date of United States
Treasury securities with a constant maturity (as compiled and published in the most recent Federal 

  

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Reserve Statistical Release H.15 (519) that has become publicly available at least two Business Days prior to the Redemption Date (or, if such
Statistical Release is no longer published, any publicly available source of similar market data)) most nearly equal to the period from the Redemption Date to December 15, 2010; provided, however that if the period from the
Redemption Date to December 15, 2010, is less than one year, the weekly average yield on actually traded United States Treasury securities adjusted to a constant maturity of one year shall be used. 
 “Trust Indenture Act” or “TIA” means the Trust Indenture Act of 1939 as in force at the date as of which this Indenture
was executed, except as provided in Section 905. 
 “Trustee” means LaSalle Bank National Association, until a
successor replaces it and, thereafter, means the successor. 
 “Uniform Commercial Code” means the New York Uniform
Commercial Code as in effect from time to time. 
 “Unrestricted Subsidiary” means 
 (1) any Subsidiary of the Company that at the time of determination is an Unrestricted Subsidiary (as designated by the Company, as
provided below) and 
 (2) any Subsidiary of an Unrestricted Subsidiary. 
 The Company may designate any Subsidiary of the Company (including any existing Subsidiary and any newly acquired or newly formed Subsidiary) to be an
Unrestricted Subsidiary unless such Subsidiary or any of its Subsidiaries owns any Equity Interests or Indebtedness of, or owns or holds any Lien on, any property of, the Company or any Subsidiary of the Company (other than any Subsidiary of the
Subsidiary to be so designated); provided that 
 (a) any Unrestricted Subsidiary must be an entity of which shares of
the Capital Stock or other Equity Interests (including partnership interests) entitled to cast at least a majority of the votes that may be cast by all shares of Capital Stock or Equity Interests having ordinary voting power for the election of
directors or other governing body are owned, directly or indirectly, by the Company, 
 (b) such designation complies with
Section 1010 of this Indenture and 
 (c) each of 
 (1) the Subsidiary to be so designated and 
 (2) its Subsidiaries 
 has not at the time of designation, and does not thereafter, create, incur, issue,
assume, guarantee or otherwise become directly or indirectly liable with respect to any Indebtedness pursuant to which the lender has recourse to any of the assets of the Company or any Restricted Subsidiary. 
 The Company may designate any Unrestricted Subsidiary to be a Restricted Subsidiary; provided that, immediately after giving effect to such
designation, no Default shall have occurred and be continuing and either 
 (1) the Company could incur at least $1.00 of
additional Indebtedness pursuant to the Fixed Charge Coverage Ratio test described in Section 1011(a) of this Indenture; or 
 (2) the Fixed Charge Coverage Ratio for the Company and its Restricted Subsidiaries would be greater than such ratio for the Company and its Restricted Subsidiaries immediately prior to such designation, in each case on a pro forma
basis taking into account such designation. 
  

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 Any such designation by the Company shall be notified by the Company to the Trustee by promptly filing
with the Trustee a copy of any applicable Board Resolution giving effect to such designation and an Officers’ Certificate certifying that such designation complied with the foregoing provisions. 
 “U.S. Person” means a U.S. Person as defined in Rule 902(k) promulgated under the Securities Act. 
 “Vice President,” when used with respect to the Company or the Trustee, means any vice president, whether or not designated by a number
or a word or words added before or after the title “vice president.” 
 “Voting Stock” of any Person as of any
date means the Capital Stock of such Person that is at the time entitled to vote in the election of the Board of Directors of such Person. 
 “Weighted Average Life to Maturity” means, when applied to any Indebtedness, Disqualified Stock or Preferred Stock, as the case may be, at any date, the quotient obtained by dividing 
 (1) the sum of the products of the number of years from the date of determination to the date of each successive scheduled principal
payment of such Indebtedness or redemption or similar payment with respect to such Disqualified Stock or Preferred Stock multiplied by the amount of such payment, by 
 (2) the sum of all such payments. 
 “Wholly Owned Subsidiary” of any Person means a Subsidiary of such Person, 100% of the outstanding Capital Stock or other ownership interests of which (other than directors’ qualifying shares) shall at the time be
owned by such Person or by one or more Wholly Owned Subsidiaries of such Person. 
 SECTION 103. Compliance Certificates and Opinions.
Upon any application or request by the Company to the Trustee to take or refrain from taking any action under this Indenture, the Company shall furnish to the Trustee an Officers’ Certificate stating that all conditions precedent, if any,
provided for in this Indenture (including any covenant compliance with which constitutes a condition precedent) relating to the proposed action have been complied with and, other than in connection with the authentication and delivery of the Initial
Notes, an Opinion of Counsel stating that in the opinion of such counsel all such conditions precedent, if any, have been complied with, except that in the case of any such application or request as to which the furnishing of such documents is
specifically required by any provision of this Indenture relating to such particular application or request, no additional certificate or opinion need be furnished. 
 Every certificate or opinion with respect to compliance with a condition or covenant provided for in this Indenture (other than pursuant to Section 1008(a) of this Indenture or Section 314(a)(4) of the TIA)
shall include: 
 (1) a statement that each individual signing such certificate or opinion has read such covenant or condition
and the definitions herein relating thereto; 
 (2) a brief statement as to the nature and scope of the examination or
investigation upon which the statements or opinions contained in such certificate or opinion are based; 
 (3) a statement
that, in the opinion of each such individual, he or she has made such examination or investigation as is necessary to enable him or her to express an informed opinion as to whether or not such covenant or condition has been complied with; and

 (4) a statement as to whether, in the opinion of each such individual, such condition or covenant has been complied with.

 SECTION 104. Form of Documents Delivered to Trustee. In any case where several matters are required to be certified by, or covered
by an opinion of, any specified Person, it is not necessary that all such matters be certified by, or covered by the opinion of, only one such Person, or that they be so certified or covered by only one document, but one such Person may certify or
give an opinion with respect to some matters and one or more other such Persons as to other matters, and any such Person may certify or give an opinion as to such matters in one or several documents. 
  

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 Any certificate or opinion of an officer of the Company may be based, insofar as it relates to legal
matters, upon a certificate or opinion of, or representations by, counsel, unless such officer knows, or in the exercise of reasonable care should know, that the certificate or opinion or representations with respect to the matters upon which his
certificate or opinion is based are erroneous. Any such certificate or opinion may be based, insofar as it relates to factual matters, upon a certificate or opinion of, or representations by, an officer or officers of the Company stating that the
information with respect to such factual matters is in the possession of the Company, unless such counsel knows, or in the exercise of reasonable care should know, that the certificate or opinion or representations with respect to such matters are
erroneous. 
 Where any Person is required to make, give or execute two or more applications, requests, consents, certificates, statements,
opinions or other instruments under this Indenture, they may, but need not, be consolidated and form one instrument. 
 SECTION 105. Acts
of Holders. Any request, demand, authorization, direction, notice, consent, waiver or other action provided by this Indenture to be given or taken by Holders may be embodied in and evidenced by one or more instruments of substantially similar
tenor signed by such Holders in person or by agents duly appointed in writing; and, except as herein otherwise expressly provided, such action shall become effective when such instrument or instruments are delivered to the Trustee and, where it is
hereby expressly required, to the Company. Such instrument or instruments (and the action embodied therein and evidenced thereby) are herein sometimes referred to as the “Act” of the Holders signing such instrument or instruments. Proof of
execution of any such instrument or of a writing appointing any such agent shall be sufficient for any purpose of this Indenture and (subject to Section 601) conclusive in favor of the Trustee and the Company, if made in the manner provided in
this Section. 
 The fact and date of the execution by any Person of any such instrument or writing may be proved by the affidavit of a
witness of such execution or by a certificate of a notary public or other officer authorized by law to take acknowledgments of deeds, certifying that the individual signing such instrument or writing acknowledged to him the execution thereof. Where
such execution is by a signer acting in a capacity other than his or her individual capacity, such certificate or affidavit shall also constitute sufficient proof of authority. The fact and date of the execution of any such instrument or writing, or
the authority of the Person executing the same, may also be proved in any other manner that the Trustee deems sufficient. 
 The principal
amount and serial numbers of Notes held by any Person, and the date of holding the same, shall be proved by the Note Register. 
 If the
Company shall solicit from the Holders any request, demand, authorization, direction, notice, consent, waiver or other Act, the Company may, at its option, fix in advance a record date for the determination of Holders entitled to give such request,
demand, authorization, direction, notice, consent, waiver or other Act, but the Company shall have no obligation to do so. Notwithstanding TIA Section 316(c), such record date shall be a date not earlier than the date 30 days prior to the first
solicitation of Holders generally in connection therewith and not later than the date such solicitation is completed. If such a record date is fixed, such request, demand, authorization, direction, notice, consent, waiver or other Act may be given
before or after such record date, but only the Holders of record at the close of business on such record date shall be deemed to be Holders for the purposes of determining whether Holders of the requisite proportion of Outstanding Notes have
authorized or agreed or consented to such request, demand, authorization, direction, notice, consent, waiver or other Act, and for that purpose the Outstanding Notes shall be computed as of such record date; provided that no such
authorization, agreement or consent by the Holders on such record date shall be deemed effective unless it shall become effective pursuant to the provisions of this Indenture not later than eleven months after the record date. Any request, demand,
authorization, direction, notice, consent, waiver or other Act of the Holder of any Note shall bind every future Holder of the same Note and the Holder of every Note issued upon the registration of transfer thereof or in exchange therefor or in lieu
thereof in respect of anything done, omitted or suffered to be done by the Trustee, the Company or any Subsidiary Guarantor in reliance thereon, whether or not notation of such action is made upon such Note. 
  

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 Without limiting the foregoing, a Holder entitled to take any action hereunder with regard to any
particular Note may do so with regard to all or any part of the principal amount of such Note or by one or more duly appointed agents, each of which may do so pursuant to such appointment with regard to all or any part of such principal amount. Any
notice given or action taken by a Holder or its agents with regard to different parts of such principal amount pursuant to this paragraph shall have the same effect as if given or taken by separate Holders of each such different part. 
 Without limiting the generality of the foregoing, a Holder, including the Depository that is the Holder of a Global Note, may make, give or take, by a
proxy or proxies duly appointed in writing, any request, demand, authorization, direction, notice, consent, waiver or other action provided in this Indenture to be made, given or taken by Holders, and the Depository that is the Holder of a Global
Note may provide its proxy or proxies to the beneficial owners of interests in any such Global Note through such depositary’s standing instructions and customary practices. 
 The Company may fix a record date for the purpose of determining the Persons who are beneficial owners of interests in any Global Note held by the
Depository entitled under the procedures of such depositary to make, give or take, by a proxy or proxies duly appointed in writing, any request, demand, authorization, direction, notice, consent, waiver or other action provided in this Indenture to
be made, given or taken by Holders. 
 SECTION 106. Notices, Etc., to Trustee, Company, Any Subsidiary Guarantor and Agent. Any
request, demand, authorization, direction, notice, consent, waiver or Act of Holders or other document provided or permitted by this Indenture to be made upon, given or furnished to, or filed with, 
 (1) the Trustee by any Holder or by the Company or any Subsidiary Guarantor shall be sufficient for every purpose hereunder if made,
given, furnished or filed in writing (which may be via facsimile) to or with the Trustee at LaSalle Bank National Association, 135 S. LaSalle Street, Suite 1560, Chicago, IL 60603, Attn: Corporate Trust Services Division, or 
 (2) the Company or any Subsidiary Guarantor by the Trustee or by any Holder shall be sufficient for every purpose hereunder (unless
otherwise herein expressly provided) if made, given, furnished or delivered in writing and mailed, first-class postage prepaid, or delivered by recognized overnight courier, to the Company or such Subsidiary Guarantor addressed to it at Aleris
International, Inc., 25825 Science Park Drive, Beachwood, OH 44122, Attention: General Counsel, or at any other address previously furnished in writing to the Trustee by the Company or such Subsidiary Guarantor. 
 SECTION 107. Notice to Holders; Waiver. Where this Indenture provides for notice of any event to Holders by the Company or the Trustee, such
notice shall be sufficiently given (unless otherwise herein expressly provided) if in writing and mailed, first-class postage prepaid, to each Holder affected by such event, at his address as it appears in the Note Register, within the time
prescribed for the giving of such notice. In any case where notice to Holders is given by mail, neither the failure to mail such notice, nor any defect in any notice so mailed, to any particular Holder shall affect the sufficiency of such notice
with respect to other Holders. Notices given by publication shall be deemed given on the first date on which publication is made and notices given by first-class mail, postage prepaid, shall be deemed given five calendar days after mailing.

 In case by reason of the suspension of or irregularities in regular mail service or by reason of any other cause, it shall be
impracticable to mail notice of any event to Holders when such notice is required to be given pursuant to any provision of this Indenture, then any manner of giving such notice as shall be satisfactory to the Trustee shall be deemed to be a
sufficient giving of such notice for every purpose hereunder. 
 Where this Indenture provides for notice in any manner, such notice may be
waived in writing by the Person entitled to receive such notice, either before or after the event, and such waiver shall be the equivalent of such notice. Waivers of notice by Holders shall be filed with the Trustee, but such filing shall not be a
condition precedent to the validity of any action taken in reliance upon such waiver. 
  

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 SECTION 108. Effect of Headings and Table of Contents. The Article and Section headings herein,
the Table of Contents and the reconciliation and tie between the TIA and this Indenture are for convenience of reference only, are not intended to be considered a part hereof and shall in no way affect the construction of, or modify or restrict, any
of the terms or provisions hereof. 
 SECTION 109. Successors and Assigns. All agreements of the Company in this Indenture and the
Notes shall bind its successors. All agreements of the Trustee in this Indenture shall bind its successors. All agreements of each Subsidiary Guarantor in this Indenture shall bind its successors, except as otherwise provided in Section 1208
hereof. 
 SECTION 110. Separability Clause. In case any provision in this Indenture or in the Notes shall be invalid, illegal or
unenforceable, the validity, legality and enforceability of the remaining provisions shall not in any way be affected or impaired thereby. 
 SECTION 111. Benefits of Indenture. Nothing in this Indenture or in the Notes, express or implied, shall give to any Person, other than the parties hereto, any Paying Agent, any Note Registrar and their successors hereunder and the
Holders any benefit or any legal or equitable right, remedy or claim under this Indenture. 
 SECTION 112. Governing Law. This
Indenture, the Notes and any Subsidiary Guarantee shall be governed by and construed in accordance with the laws of the State of New York. This Indenture is subject to the provisions of the Trust Indenture Act that are required to be part of this
Indenture and shall, to the extent applicable, be governed by such provisions. 
 SECTION 113. Legal Holidays. In any case where any
Interest Payment Date, Redemption Date or Stated Maturity or Maturity of any Note shall not be a Business Day, then (notwithstanding any other provision of this Indenture or of the Notes) payment of principal (or premium, if any) or interest need
not be made on such date, but may be made on the next succeeding Business Day with the same force and effect as if made on the Interest Payment Date, Redemption Date, or at the Stated Maturity or Maturity; provided that no interest shall
accrue for purposes of such payment for the period from and after such Interest Payment Date, Redemption Date, Stated Maturity or Maturity, as the case may be. 
 SECTION 114. No Personal Liability of Directors, Officers, Employees and Stockholders. No director, officer, employee, incorporator or stockholder of the Company or any Subsidiary Guarantor (other than in the
case of stockholders of any Subsidiary Guarantor, the Company or another Subsidiary Guarantor) or any of their parent companies shall have any liability for any obligations of the Company or the Subsidiary Guarantors under the Notes, the Subsidiary
Guarantees and this Indenture or for any claim based on, in respect of, or by reason of such obligations or their creation. Each Holder by accepting a Note waives and releases all such liability. The waiver and release are part of the consideration
for issuance of the Notes and the Subsidiary Guarantees. 
 SECTION 115. Trust Indenture Act Controls. Upon qualification of this
Indenture under the TIA, if any provision of this Indenture limits, qualifies or conflicts with another provision which is required to be included in this Indenture by the TIA, the provision required by the TIA shall control. If any provision of
this Indenture modifies or excludes any provision of the TIA that may be so modified or excluded, the latter provision shall be deemed to apply to this Indenture as so modified or excluded, as the case may be. 
 SECTION 116. Counterparts. This Indenture may be executed in any number of counterparts, each of which shall be original; but such counterparts
shall together constitute but one and the same instrument. One signed copy is enough to prove this Indenture. 
 ARTICLE TWO

 NOTE FORMS 
 SECTION 201. Form and Dating. Provisions relating to the Initial Notes, the Private Exchange Notes and the Exchange Notes are set forth in the Rule 144A / Regulation S Appendix attached hereto (the “Appendix”)


  

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which is hereby incorporated in, and expressly made part of, this Indenture. The Initial Notes and the Trustee’s certificate of authentication shall be
substantially in the form of Exhibit 1 to the Appendix which is hereby incorporated in, and expressly made a part of, this Indenture. The Exchange Notes, the Private Exchange Notes and the Trustee’s certificate of authentication shall be
substantially in the form of Exhibit A, which is hereby incorporated in and expressly made a part of this Indenture. The Notes may have notations, legends or endorsements required by law, stock exchange rule, agreements to which the Company is
subject, if any, or usage (provided that any such notation, legend or endorsement is in a form reasonably acceptable to the Company). Each Note shall be dated the date of its authentication. The terms of the Note set forth in the Appendix and
Exhibit A are part of the terms of this Indenture. 
 SECTION 202. Execution, Authentication, Delivery and Dating. The Notes shall be
executed on behalf of the Company by any Officer. The signature of an Officer on the Notes may be manual or facsimile signature of the present or any future such authorized officer and may be imprinted or otherwise reproduced on the Notes.

 Notes bearing the manual or facsimile signature of an individual who was at any time a proper officer of the Company shall bind the
Company, notwithstanding that such individual ceased to hold such office prior to the authentication and delivery of such Notes or did not hold such office at the date of such Notes. 
 At any time and from time to time after the execution and delivery of this Indenture, the Company may deliver Notes executed by the Company to the
Trustee for authentication, together with a Company Order for the authentication and delivery of such Notes, and the Trustee in accordance with such Company Order shall authenticate and deliver such Notes. 
 On the Issue Date, the Company shall deliver the Initial Notes in the aggregate principal amount of $105,379,000 executed by the Company to the Trustee
for authentication, together with a Company Order directing the Trustee to authenticate the Notes and certifying that all conditions precedent to the issuance of Notes contained herein have been fully complied with, and the Trustee in accordance
with such Company Order shall authenticate and deliver such Initial Notes. At any time and from time to time after the Issue Date, the Company may deliver Additional Notes executed by the Company to the Trustee for authentication, together with a
Company Order for the authentication and delivery of such Additional Notes, directing the Trustee to authenticate the Additional Notes and certifying that the issuance of such Additional Notes is in compliance with Article Ten hereof and that all
other conditions precedent to the issuance of Notes contained herein have been fully complied with, and the Trustee in accordance with such Company Order shall authenticate and deliver such Additional Notes. 
 Upon receipt of a Company Order, the Trustee shall authenticate for original issue Exchange Notes in an aggregate principal amount not to exceed
$105,379,000 plus the aggregate principal amount of any Additional Notes issued; provided that such Exchange Notes shall be issuable only upon the valid surrender for cancellation of Initial Notes and any Additional Notes of a like aggregate
principal amount in accordance with an Exchange Offer pursuant to the Registration Rights Agreement and a Company Order for the authentication and delivery of such Exchange Notes and certifying that all conditions precedent to the issuance of such
Exchange Notes are complied with. In each case, the Trustee shall receive a Company Order and an Opinion of Counsel of the Company that it may reasonably require in connection with such authentication of Notes. Such Company Order shall specify the
amount of Notes to be authenticated and the date on which the original issue of Notes is to be authenticated. 
 Each Note shall be dated the
date of its authentication. 
 No Note shall be entitled to any benefit under this Indenture or be valid or obligatory for any purpose unless
there appears on such Note a certificate of authentication substantially in the form provided for in Exhibit 1 to the Appendix, duly executed by the Trustee by manual signature of an authorized officer, and such certificate upon any Note shall be
conclusive evidence, and the only evidence, that such Note has been duly authenticated and delivered hereunder and is entitled to the benefits of this Indenture. 
 In case the Company or any Subsidiary Guarantor, pursuant to Article Eight of this Indenture, shall be consolidated or merged with or into any other Person or shall convey, transfer, lease or otherwise dispose of its
properties and assets substantially as an entirety to any Person, and the successor Person resulting from such consolidation, or surviving such merger, or into which the Company or such Subsidiary Guarantor shall have been merged, or the Person
which shall have received a conveyance, transfer, lease or other disposition as aforesaid, shall have executed 

  

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a supplemental indenture hereto with the Trustee pursuant to Article Eight of this Indenture, any of the Notes authenticated or delivered prior to such
consolidation, merger, conveyance, transfer, lease or other disposition may, from time to time, at the request of the successor Person, be exchanged for other Notes executed in the name of the successor Person with such changes in phraseology and
form as may be appropriate, but otherwise in substance of like tenor as the Notes surrendered for such exchange and of like principal amount; and the Trustee, upon Company Request of the successor Person, shall authenticate and deliver Notes as
specified in such request for the purpose of such exchange. If Notes shall at any time be authenticated and delivered in any new name of a successor Person pursuant to this Section in exchange or substitution for or upon registration of transfer of
any Notes, such successor Person, at the option of the Holders but without expense to them, shall provide for the exchange of all Notes at the time outstanding for Notes authenticated and delivered in such new name. 
 ARTICLE THREE 
 THE NOTES

 SECTION 301. Title and Terms. The aggregate principal amount of Notes which may be authenticated and issued under this
Indenture is not limited; provided, however that any Additional Notes issued under this Indenture rank pari passu with the Initial Notes, are issued in accordance with Sections 202, 312 and 1011 hereof, form a single class with
the Initial Notes and shall have the same terms as to status, redemption or otherwise as the Initial Notes. Any Additional Notes shall be issued pursuant to a supplemental indenture to this Indenture. 
 The Notes shall be known and designated as the “9% Senior Notes Due 2014” of the Company. The Stated Maturity of the Notes shall be
December 15, 2014, and the Notes shall bear interest at the rate set forth below from September 11, 2007, or from the most recent Interest Payment Date to which interest has been paid or duly provided for, payable on December 15, 2007
and semi-annually thereafter on December 15 and June 15 in each year and at said Stated Maturity, until the principal thereof is paid or duly provided for and to the Person in whose name the Note (or any predecessor Note) is registered at
the close of business on the December 1 and June 1 immediately preceding such Interest Payment Date (each, a “Regular Record Date”). 
 The principal of (and premium, if any), interest and Additional Interest, if any, on the Notes shall be payable at the office or agency of the Company maintained for such purpose in the City of Chicago or, at the
option of the Company, payment of interest may be made by check mailed to the Holders of the Notes at their respective addresses set forth in the Note Register of Holders; provided that all payments of principal, premium, if any, and interest
and Additional Interest, if any, with respect to Notes represented by one or more permanent global notes registered in the name of or held by the Depository or its nominee shall be made by wire transfer of immediately available funds to the accounts
specified by the Holder or Holders thereof. 
 Holders shall have the right to require the Company to purchase their Notes, in whole or in
part, in the event of a Change of Control pursuant to Section 1017. The Notes shall be subject to repurchase pursuant to an Asset Sale Offer as provided in Section 1018. 
 The Notes shall be redeemable as provided in Article Eleven of this Indenture and Paragraph 6 of the Notes. 
 The due and punctual payment of principal of, premium, if any, and interest on the Notes payable by the Company is irrevocably unconditionally
guaranteed, to the extent set forth herein, by each of the Subsidiary Guarantors. 
 SECTION 302. Denominations. The Notes shall be
issuable only in registered form without coupons and only in denominations of $1,000 and any integral multiple of $1,000 in excess thereof. 
 SECTION 303. Temporary Notes. Pending the preparation of definitive Notes, the Company may execute, and upon receipt of a Company Order the Trustee shall authenticate and deliver, temporary Notes which are printed, lithographed,
typewritten, mimeographed or otherwise produced, in any authorized denomination, substantially of the tenor of the definitive Notes in lieu of which they are issued and with such appropriate insertions, omissions, substitutions and other variations
as the officers executing such Notes may determine, as conclusively evidenced by their execution of such Notes. 
  

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 If temporary Notes are issued, the Company shall cause definitive Notes to be prepared without
unreasonable delay. After the preparation of definitive Notes, the temporary Notes shall be exchangeable for definitive Notes upon surrender of the temporary Notes at the office or agency of the Company designated for such purpose pursuant to
Section 1002, without charge to the Holder. Upon surrender for cancellation of any one or more temporary Notes, the Company shall execute and the Trustee shall authenticate and deliver in exchange therefor a like principal amount of definitive
Notes of authorized denominations. Until so exchanged, the temporary Notes shall in all respects be entitled to the same benefits under this Indenture as definitive Notes. 
 SECTION 304. Note Registrar; Paying Agent; Registration of Transfer and Exchange. The Company shall cause to be kept at the Corporate Trust Office
of the Trustee a register (the register maintained in such office and in any other office or agency designated pursuant to Section 1002 being herein sometimes referred to as the “Note Register”) in which, subject to such
reasonable regulations as it may prescribe, the Company shall provide for the registration of Notes and of transfers of Notes. The Note Register shall be in written form or any other form capable of being converted into written form within a
reasonable time. At all reasonable times, the Note Register shall be open to inspection by the Trustee. The Trustee is hereby initially appointed as note registrar (the “Note Registrar”) for the purpose of registering Notes and
transfers of Notes as herein provided. The Trustee is hereby initially appointed to act as the Paying Agent and to act as Notes Custodian with respect to the Global Notes. 
 Upon surrender for registration of transfer of any Note at the office or agency of the Company designated pursuant to Section 1002, the Company
shall execute, and the Trustee shall authenticate and deliver, in the name of the designated transferee or transferees, one or more new Notes of any authorized denomination or denominations of a like aggregate principal amount. 
 At the option of the Holder, Notes may be exchanged for other Notes of any authorized denomination and of a like aggregate principal amount, upon
surrender of the Notes to be exchanged at such office or agency. Whenever any Notes are so surrendered for exchange, the Company shall execute, and the Trustee shall authenticate and deliver, the Notes which the Holder making the exchange is
entitled to receive; provided that no exchange of Notes for Exchange Notes shall occur until an Exchange Offer Registration Statement shall have been declared effective by the SEC, the Trustee shall have received an Officers’ Certificate
confirming that the Exchange Offer Registration Statement has been declared effective by the SEC and the Initial Notes to be exchanged for the Exchange Notes shall be cancelled by the Trustee. 
 All Notes issued upon any registration of transfer or exchange of Notes shall be the valid obligations of the Company, evidencing the same debt, and
entitled to the same benefits under this Indenture, as the Notes surrendered upon such registration of transfer or exchange. 
 Every Note
presented or surrendered for registration of transfer or for exchange shall (if so required by the Company or the Note Registrar) be duly endorsed, or be accompanied by written instruments of transfer, in form satisfactory to the Company and the
Note Registrar, duly executed by the Holder thereof or his attorney duly authorized in writing. 
 No service charge shall be made for any
registration of transfer or exchange or redemption of Notes, but the Company may require payment of a sum sufficient to cover any taxes, fees or other governmental charge that may be imposed in connection with any registration of transfer or
exchange of Notes, other than exchanges pursuant to Sections 202, 303, 906, 1017, 1018, or 1108 not involving any transfer. 
 In case the
Company, pursuant to Article Eight, shall, in one or more related transactions, be consolidated or merged with or into any other Person or shall sell, assign, transfer, lease, convey or otherwise dispose of all or substantially all the assets of the
Company and its Restricted Subsidiaries taken as a whole to any Person, and the surviving Person resulting from such consolidation or surviving such merger, or into which the Company shall have been merged, or the surviving Person which shall have
participated in the sale, assignment, transfer, conveyance or other disposition as aforesaid, shall have assumed all of the obligations of the Company under the Notes and this Indenture pursuant to agreements reasonably satisfactory to the Trustee
pursuant to Article Eight, any of the Notes 

  

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authenticated or delivered prior to such consolidation, merger, sale, assignment, transfer, conveyance or other disposition may, from time to time, at the
request of the surviving Person, be exchanged for other Notes executed in the name of the surviving Person with such changes in phraseology and form as may be appropriate, but otherwise in substance of like tenor as the Notes surrendered for such
exchange and of like principal amount; and the Trustee, upon the request of the surviving Person, shall authenticate and deliver Notes as specified in such request for the purpose of such exchange. If Notes shall at any time be authenticated and
delivered in any new name of a surviving Person pursuant to this Section 304 in exchange or substitution for or upon registration of transfer of any Notes, such Successor Company, at the option of the Holders but without expense to them, shall
provide for the exchange of all Notes at the time outstanding for Notes authenticated and delivered in such new name. 
 SECTION 305.
Mutilated, Destroyed, Lost and Stolen Notes. If (1) any mutilated Note is surrendered to the Trustee, or (2) the Company and the Trustee receive evidence to their satisfaction of the destruction, loss or theft of any Note, and there
is delivered to the Company and the Trustee such security or indemnity as may be required to protect the Company, the Trustee, any agent and any authenticating agent from any loss that any of them may suffer if a Note is replaced, then, in the
absence of notice to the Company or the Trustee that such Note has been acquired by a Protected Purchaser (as defined in Section 8-303 of the Uniform Commercial Code) (a “Protected Purchaser”), the Company shall execute and
upon Company Order the Trustee shall authenticate and deliver, in exchange for any such mutilated Note or in lieu of any such destroyed, lost or stolen Note, a new Note of like tenor and principal amount, bearing a number not contemporaneously
outstanding. 
 In case any such mutilated, destroyed, lost or stolen Note has become or is about to become due and payable, the Company in
its discretion may, instead of issuing a new Note, pay such Note. 
 Upon the issuance of any new Note under this Section, the Company may
require the payment of a sum sufficient to cover any tax or other governmental charge that may be imposed in relation thereto and any other expenses (including the fees and expenses of the Trustee) in replacing a Note. 
 Every new Note issued pursuant to this Section in lieu of any mutilated, destroyed, lost or stolen Note shall constitute an original additional
contractual obligation of the Company and each Subsidiary Guarantor, whether or not the mutilated, destroyed, lost or stolen Note shall be at any time enforceable by anyone, and shall be entitled to all benefits of this Indenture equally and
proportionately with any and all other Notes duly issued hereunder. 
 The provisions of this Section are exclusive and shall preclude (to
the extent lawful) all other rights and remedies with respect to the replacement or payment of mutilated, destroyed, lost or stolen Notes. 
 SECTION 306. Payment of Interest; Interest Rights Preserved. 
 (a) Interest on any Note which is payable, and is punctually
paid or duly provided for, on any Interest Payment Date shall be paid to the Person in whose name such Note (or one or more Predecessor Notes) is registered at the close of business on the Regular Record Date for such interest at the office or
agency of the Company maintained for such purpose pursuant to Section 1002; provided, however, that, subject to Section 301 hereof, each installment of interest may at the Company’s option be paid by (1) mailing a
check for such interest, payable to or upon the written order of the Person entitled thereto pursuant to Section 307, to the address of such Person as it appears in the Note Register or (2) transfer to an account located in the United
States maintained by the payee. 
 (b) Any interest on any Note which is payable, but is not punctually paid or duly provided for, on any
Interest Payment Date shall forthwith cease to be payable to the Holder on the Regular Record Date by virtue of having been such Holder, and such defaulted interest and (to the extent lawful) interest on such defaulted interest at the rate borne by
the Notes (such defaulted interest and interest thereon herein collectively called “Defaulted Interest”) may be paid by the Company, at its election in each case, as provided in clause (1) or (2) below: 
 (1) The Company may elect to make payment of any Defaulted Interest to the Persons in whose names the Notes (or their respective
Predecessor Notes) are registered at the close of business on a Special Record Date for the payment of such Defaulted Interest, which shall be fixed in the following manner. The Company shall notify the Trustee in writing of the amount of Defaulted
Interest proposed to be 

  

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paid on each Note and the date of the proposed payment, and at the same time the Company shall deposit with the Trustee an amount of money equal to the
aggregate amount proposed to be paid in respect of such Defaulted Interest or shall make arrangements satisfactory to the Trustee for such deposit prior to the date of the proposed payment, such money when deposited to be held in trust for the
benefit of the Persons entitled to such Defaulted Interest as in this clause provided. Thereupon the Trustee shall fix a Special Record Date for the payment of such Defaulted Interest which shall be not more than 15 days and not less than 10 days
prior to the date of the proposed payment and not less than 10 days after the receipt by the Trustee of the notice of the proposed payment. The Trustee shall promptly notify the Company of such Special Record Date, and in the name and at the expense
of the Company, shall cause notice of the proposed payment of such Defaulted Interest and the Special Record Date therefor to be given in the manner provided for in Section 107, not less than 10 days prior to such Special Record Date. Notice of
the proposed payment of such Defaulted Interest and the Special Record Date therefor having been so given, such Defaulted Interest shall be paid to the Persons in whose names the Notes (or their respective Predecessor Notes) are registered at the
close of business on such Special Record Date and shall no longer be payable pursuant to the following clause (2). 
 (2) The Company may make payment of any Defaulted Interest in any other lawful manner not inconsistent with the requirements of any securities exchange on which the Notes may be listed, and upon such notice as may be required by such
exchange, if, after notice given by the Company to the Trustee of the proposed payment pursuant to this clause, such manner of payment shall be deemed practicable by the Trustee. 
 (c) Subject to the foregoing provisions of this Section, each Note delivered under this Indenture upon registration of transfer of or in exchange for or
in lieu of any other Note shall carry the rights to interest accrued and unpaid, and to accrue, which were carried by such other Note. 
 SECTION 307. Persons Deemed Owners. Prior to the due presentment of a Note for registration of transfer, the Company, any Subsidiary Guarantor, the Trustee and any agent of the Company or the Trustee may treat the Person in whose
name such Note is registered as the owner of such Note for the purpose of receiving payment of principal of (and premium, if any) and (subject to Sections 304 and 306) interest on such Note and for all other purposes whatsoever, whether or not such
Note be overdue, and none of the Company, the Trustee or any agent of the Company or the Trustee shall be affected by notice to the contrary. 
 SECTION 308. Cancellation. All Notes surrendered for payment, redemption, registration of transfer or exchange shall, if surrendered to any Person other than the Trustee, be delivered to the Trustee and shall be promptly cancelled by
it. The Company may at any time deliver to the Trustee for cancellation any Notes previously authenticated and delivered hereunder which the Company may have acquired in any manner whatsoever, and may deliver to the Trustee (or to any other Person
for delivery to the Trustee) for cancellation any Notes previously authenticated hereunder which the Company has not issued and sold, and all Notes so delivered shall be promptly cancelled by the Trustee. If the Company shall so acquire any of the
Notes, however, such acquisition shall not operate as a redemption or satisfaction of the indebtedness represented by such Notes unless and until the same are surrendered to the Trustee for cancellation. No Notes shall be authenticated in lieu of or
in exchange for any Notes cancelled as provided in this Section, except as expressly permitted by this Indenture. All cancelled Notes held by the Trustee shall be disposed of by the Trustee in accordance with its customary procedures (subject to the
record retention requirements of the Exchange Act). Certification of the destruction of all cancelled Notes shall be delivered to the Company by the Trustee. The Trustee shall maintain a record of all cancelled Notes. The Trustee shall provide the
Company a list of all Notes that have been cancelled from time to time as requested by the Company. 
 SECTION 309. Computation of
Interest. Interest on the Notes shall be computed on the basis of a 360-day year of twelve 30-day months. 
 SECTION 310. Transfer and
Exchange. The Notes shall be issued in registered form and shall be transferable only upon the surrender of a Note for registration of transfer. When a Note is presented to the Note Registrar or a co-registrar with a request to register a
transfer, the Note Registrar shall register the transfer as requested if the requirements of this Indenture and Section 8-401(a) of the Uniform Commercial Code are met. When Notes are presented to the Note Registrar or a co-registrar with a
request to exchange them for an equal principal amount of Notes of other denominations, the Note Registrar shall make the exchange as requested if the same requirements are met. 
  

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 The Company shall not be required and without the prior written consent of the Company, the Note
Registrar shall not be required to register the transfer of or exchange of any Note (i) during a period beginning at the opening of business 15 days before mailing of a notice of redemption of Notes and ending at the close of business on the
day of such mailing, (ii) selected for redemption in whole or in part, (iii) that has been tendered in a Change of Control Offer and (iv) beginning at the opening of business on any record date and ending on the close of business on
the related Interest Payment Date. 
 SECTION 311. CUSIP Numbers. The Company in issuing the Notes may use “CUSIP” numbers,
ISINs and “Common Code” numbers (in each case, if then generally in use) in addition to serial numbers, and, if so, the Trustee shall use such “CUSIP” numbers, ISINs and “Common Code” numbers in addition to serial
numbers in notices of redemption, repurchase or other notices to Holders as a convenience to Holders; provided that any such notice may state that no representation is made as to the correctness of such “CUSIP” numbers, ISINs and
“Common Code” numbers either as printed on the Notes or as contained in any notice of a redemption or repurchase and that reliance may be placed only on the serial or other identification numbers printed on the Notes, and any such
redemption or repurchase shall not be affected by any defect in or omission of such numbers. The Company shall promptly notify the Trustee in writing of any change in the “CUSIP” numbers, ISINs and “Common Code” numbers
applicable to the Notes. 
 SECTION 312. Issuance of Additional Notes. The Company may, subject to Section 1011 of this
Indenture, issue additional Notes having identical terms and conditions to the Initial Notes issued on the Issue Date, other than with respect to the date of issuance and issue price (the “Additional Notes”). The Initial Notes
issued on the Issue Date and any Additional Notes subsequently issued shall be treated as a single class for all purposes under this Indenture. Exchange Notes issued in exchange for Initial Notes issued on the Issue Date and Exchange Notes issued
for any Additional Notes subsequently issued shall be treated as a single class for all purposes under this Indenture. 
 ARTICLE FOUR 

 SATISFACTION AND DISCHARGE 
 SECTION 401. Satisfaction and Discharge of Indenture. This Indenture shall upon Company Request and at the Company’s expense cease to be of further effect as to all Notes issued hereunder and then outstanding (except as set
forth in the last paragraph of this Section and as to surviving rights of registration of transfer or exchange of Notes expressly provided for herein or pursuant hereto) and the Trustee, at the expense of the Company, shall execute proper
instruments acknowledging satisfaction and discharge of this Indenture when: 
 (1) either 
 (A) all Notes theretofore authenticated and delivered (other than (i) Notes which have been destroyed, lost or stolen and which have
been replaced or paid as provided in Section 305 and (ii) Notes for whose payment money has theretofore been deposited in trust with the Trustee or any Paying Agent or segregated and held in trust by the Company and thereafter repaid to
the Company or discharged from such trust, as provided in Section 1003) have been delivered to the Trustee for cancellation; or 
 (B) all such Notes not theretofore delivered to the Trustee for cancellation, 
 (i) have become due and payable by
reason of the making of a notice of redemption pursuant to Section 1105 or otherwise, or 
 (ii) shall become due and
payable at their Stated Maturity within one year, or 
  

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 (iii) are to be called for redemption within one year under arrangements satisfactory to
the Trustee for the giving of notice of redemption by the Trustee in the name, and at the expense, of the Company, 
 and the Company or any
Subsidiary Guarantor, in the case of (i), (ii) or (iii) of this clause (B), has irrevocably deposited or caused to be deposited with the Trustee as trust funds in trust solely for the benefit of the Holders, cash in U.S. dollars,
non-callable Government Securities, or a combination thereof, in such amounts as shall be sufficient without consideration of any reinvestment of interest to pay and discharge the entire indebtedness on such Notes not theretofore delivered to the
Trustee for cancellation for principal, premium, if any, and accrued interest to the date of maturity or redemption, as the case may be; 
 (2) no Default (other than that resulting from borrowing funds to be applied to make such deposit and the granting of Liens in connection therewith) with respect to this Indenture or the Notes issued hereunder shall
have occurred and be continuing on the date of such deposit or shall occur as a result of such deposit and such deposit shall not result in a breach or violation of, or constitute a default under, the Senior Credit Facilities, the Senior PIK
Indenture, the Senior PIK Notes, the Senior Subordinated Indenture, the Senior Subordinated Notes or any other material agreement or instrument (other than this Indenture) to which the Company or any Subsidiary Guarantor is a party or by which the
Company or any Subsidiary Guarantor is bound; 
 (3) the Company has paid or caused to be paid all sums payable by it under
this Indenture; 
 (4) the Company has delivered irrevocable instructions to the Trustee under this Indenture to apply the
deposited money toward the payment of such Notes at Maturity or the Redemption Date, as the case may be; and 
 (5) the
Company has delivered to the Trustee an Officers’ Certificate and an Opinion of Counsel, each stating that all conditions precedent herein to the satisfaction and discharge of this Indenture have been complied with. 
 Notwithstanding the satisfaction and discharge of this Indenture, if money or Government Securities shall have been deposited with the Trustee pursuant
to subclause (B) of clause (1) of this Section, the obligations of the Trustee under Section 402 and the last paragraph of Section 1003 shall survive such satisfaction and discharge. In addition, nothing in this Section 401
shall be deemed to discharge the obligations of the Company to the Trustee under Section 607 and the obligations of the Company to any Authenticating Agent under Section 612 that, by their terms, survive the satisfaction and discharge of
this Indenture. 
 SECTION 402. Application of Trust Money. Subject to the provisions of the last paragraph of Section 1003, all
money or Government Securities deposited with the Trustee pursuant to Section 401 shall be held in trust and applied by it, in accordance with the provisions of the Notes and this Indenture, to the payment, either directly or through any Paying
Agent (including the Company acting as its own Paying Agent) as the Trustee may determine, to the Persons entitled thereto, of the principal (and premium and Additional Interest, if any) and interest for whose payment such money or Government
Securities has been deposited with the Trustee, but such money or Government Securities need not be segregated from other funds except to the extent required by law. 
 If the Trustee or Paying Agent is unable to apply any money or Government Securities in accordance with Section 401 by reason of any legal proceeding or by reason of any order or judgment of any court or
governmental authority enjoining, restraining or otherwise prohibiting such application, the Company’s and any Subsidiary Guarantor’s obligations under this Indenture and the Notes shall be revived and reinstated as though no deposit had
occurred pursuant to Section 401 until such time as the Trustee or Paying Agent is permitted to apply all such money or Government Securities in accordance with Section 401; provided that if the Company has made any payment of
principal of, premium, if any, or interest on any Notes because of the reinstatement of its obligations, the Company shall be subrogated to the rights of the Holders of such Notes to receive such payment from the money or Government Securities held
by the Trustee or Paying Agent. 
  

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 ARTICLE FIVE 
 REMEDIES 
 SECTION 501. Events of Default. “Event of Default,” wherever used
herein, means any one of the following events (whatever the reason for such Event of Default and whether it shall be voluntary or involuntary or be effected by operation of law or pursuant to any judgment, decree or order of any court or any order,
rule or regulation of any administrative or governmental body): 
 (1) default in payment when due and payable, upon
redemption, acceleration or otherwise, of principal of, or premium, if any, on the Notes issued under this Indenture; 
 (2)
default for 30 days or more in the payment when due of interest on or with respect to the Notes issued under this Indenture; 
 (3) failure by the Company or any Subsidiary Guarantor for 60 days after receipt of written notice given by the Trustee or the Holders of at least 30% in principal amount of the then Outstanding Notes issued under this Indenture to comply
with any of its other agreements contained in this Indenture or the Notes; 
 (4) default under any mortgage, indenture or
instrument under which there is issued or by which there is secured or evidenced any Indebtedness for money borrowed by the Company or any Restricted Subsidiary or the payment of which is guaranteed by the Company or any Restricted Subsidiary, other
than Indebtedness owed to the Company or a Restricted Subsidiary, whether such Indebtedness or guarantee now exists or is created after the issuance of the Notes, if both 
 (A) such default either 
 (i) results from the failure to pay any principal of such Indebtedness at its stated final maturity (after giving effect to any applicable grace periods) or 
 (ii) relates to an obligation other than the obligation to pay principal of any such Indebtedness at its stated final maturity and
results in the holder or holders of such Indebtedness causing such Indebtedness to become due prior to its stated maturity and 
 (B) the principal amount of such Indebtedness, together with the principal amount of any other such Indebtedness in default for failure to pay principal at stated final maturity (after giving effect to any applicable grace periods), or the
maturity of which has been so accelerated, aggregate $40.0 million or more at any one time outstanding; 
 (5) failure by the
Company or any Significant Subsidiary (or any group of Subsidiaries that together would constitute a Significant Subsidiary) to pay final judgments aggregating in excess of $40.0 million, which final judgments remain unpaid, undischarged and
unstayed for a period of more than 60 days after such judgment becomes final, and in the event such judgment is covered by insurance, an enforcement proceeding has been commenced by any creditor upon such judgment or decree which is not promptly
stayed; 
 (6) any of the following events with respect to the Company or any Significant Subsidiary: 
 (A) the Company or any Significant Subsidiary pursuant to or within the meaning of any Bankruptcy Law 
 (i) commences a voluntary case; 
  

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 (ii) consents to the entry of an order for relief against it in an involuntary case;

 (iii) consents to the appointment of a custodian of it or for any substantial part of its property; 
 (iv) takes any comparable action under any foreign laws relating to insolvency; or 
 (B) a court of competent jurisdiction enters an order or decree under any Bankruptcy Law that: 
 (i) is for relief against the Company or any Significant Subsidiary in an involuntary case; 
 (ii) appoints a custodian of the Company or any Significant Subsidiary or for any substantial part of its property; or 
 (iii) orders the liquidation of the Company or any Significant Subsidiary; 
 and the order or decree remains unstayed and in effect for 60 days; 
 provided, that for the purposes of this clause (6), a Significant Subsidiary shall include any group of Subsidiaries that together would constitute a Significant Subsidiary; or 
 (7) the Subsidiary Guarantee of any Significant Subsidiary (or any group of Subsidiaries that together would constitute a Significant
Subsidiary) shall for any reason cease to be in full force and effect or be declared null and void or any responsible officer of any Subsidiary Guarantor that is a Significant Subsidiary (or the responsible officers of any group of Subsidiaries that
together would constitute a Significant Subsidiary), as the case may be, denies that it has any further liability under its Subsidiary Guarantee or gives notice to such effect, other than by reason of the termination of this Indenture or the release
of any such Subsidiary Guarantee in accordance with this Indenture. 
 SECTION 502. Acceleration of Maturity; Rescission and
Annulment. 
 (a) If any Event of Default (other than an Event of Default specified in Section 501(6) with respect to the Company)
occurs and is continuing under this Indenture, the Trustee or the Holders of at least 30% in principal amount of the Outstanding Notes issued under this Indenture may declare the principal, premium, if any, interest and any other monetary
Obligations on all the Outstanding Notes issued under this Indenture to be due and payable immediately by a notice in writing to the Company (and to the Trustee if given by the Holders). 
 (b) Upon the effectiveness of such declaration, such principal of and premium, if any, and interest on the Notes shall be due and payable immediately.
Notwithstanding the foregoing, if an Event of Default specified in Section 501(6) with respect to the Company occurs and is continuing, then the principal amount of all Outstanding Notes shall ipso facto become and be immediately due and
payable without any notice, declaration or other act on the part of the Trustee or any Holder. 
 (c) At any time after a declaration of
acceleration has been made and before a judgment or decree for payment of the money due has been obtained by the Trustee as hereinafter provided in this Article Five, the Holders of a majority in aggregate principal amount of the Outstanding Notes,
by written notice to the Company and the Trustee, may rescind and annul such declaration and its consequences if: 
 (1) the
Company has paid or deposited with the Trustee a sum sufficient to pay: 
 (A) all overdue interest on all Outstanding Notes,

  

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 (B) all unpaid principal of (and premium, if any, on) any Outstanding Notes which has
become due otherwise than by such declaration of acceleration, and interest on such unpaid principal at the rate borne by the Notes, 
 (C) to the extent that payment of such interest is lawful, interest on overdue interest at the rate borne by the Notes, and 
 (D) all sums paid or advanced by the Trustee hereunder and the reasonable compensation, expenses, disbursements and advances of the Trustee, its agents and counsel; and 
 (2) Events of Default, other than the non-payment of amounts of principal of (or premium, if any, on) or interest on Notes which have
become due solely by such declaration of acceleration, have been cured or waived as provided in Section 513. 
 No such rescission shall
affect any subsequent default or impair any right consequent thereon. 
 (d) Notwithstanding the preceding paragraph, in the event of any
Event of Default specified in Section 501(4) above, such Event of Default and all consequences thereof (excluding any resulting payment default) shall be annulled, waived and rescinded, automatically and without any action by the Trustee or the
Holders, if within 20 days after such Event of Default arose, 
 (1) the Indebtedness or guarantee that is the basis for such
Event of Default has been discharged, or 
 (2) the holders thereof have rescinded or waived the acceleration, notice or
action (as the case may be) giving rise to such Event of Default, or 
 (3) the default that is the basis for such Event of
Default has been cured. 
 SECTION 503. Collection of Indebtedness and Suits for Enforcement by Trustee. If an Event of Default
specified in Section 501(1) or (2) occurs and is continuing, the Trustee, in its own name as trustee of an express trust, may institute a judicial proceeding for the collection of the sums due hereunder pursuant to this Article Five and
unpaid, and, in addition thereto, such further amount as shall be sufficient to cover the costs and expenses of collection, including the reasonable compensation, expenses, disbursements and advances of the Trustee, its agents and counsel. The
Trustee may prosecute such proceeding to judgment or final decree and may enforce the same against the Company, any Subsidiary Guarantor or any other obligor upon the Notes and collect the moneys adjudged or decreed to be payable in the manner
provided by law out of the property of the Company, any Subsidiary Guarantor or any other obligor upon the Notes, wherever situated. 
 If an
Event of Default occurs and is continuing, the Trustee may in its discretion proceed to protect and enforce its rights and the rights of the Holders under this Indenture and the Subsidiary Guarantees by the judicial proceedings discussed above as
the Trustee shall deem necessary to protect and enforce any such rights, including seeking recourse against any Subsidiary Guarantor. 
 SECTION 504. Trustee May File Proofs of Claim. In case of the pendency of any receivership, insolvency, liquidation, bankruptcy, reorganization, arrangement, adjustment, composition or other judicial proceeding relative to the
Company or any other obligor including any Subsidiary Guarantor, upon the Notes or the property of the Company or of such other obligor or their creditors, the Trustee (irrespective of whether the principal of the Notes shall then be due and payable
as therein expressed or by declaration or otherwise and irrespective of whether the Trustee shall have made any demand on the Company for the payment of overdue principal, premium, if any, or interest) shall be entitled and empowered, by
intervention in such proceeding or otherwise, 
 (1) to file and prove a claim for the whole amount of principal (and premium,
if any) and interest owing and unpaid in respect of the Notes and to file such other papers or documents as may be necessary or advisable in order to have the claims of the Trustee (including any claim for the reasonable compensation, expenses,
disbursements and advances of the Trustee, its agents and counsel) and of the Holders allowed in such judicial proceeding, and 
  

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 (2) to collect, receive and distribute any moneys or other property payable or
deliverable on any such claims and to distribute the same; 
 and any custodian, receiver, assignee, trustee, liquidator, sequestrator or similar official in
any such judicial proceeding is hereby authorized by each Holder to make such payments to the Trustee and, in the event that the Trustee shall consent to the making of such payments directly to the Holders, to pay the Trustee any amount due it for
the reasonable compensation, expenses, disbursements and advances of the Trustee, its agents and counsel, and any other amounts due the Trustee under Section 607. 
 Nothing herein contained shall be deemed to authorize the Trustee to authorize or consent to or accept or adopt on behalf of any Holder any plan of reorganization, arrangement, adjustment or composition affecting the
Notes or the rights of any Holder thereof, or to authorize the Trustee to vote in respect of the claim of any Holder in any such proceeding. 
 SECTION 505. Trustee May Enforce Claims Without Possession of Notes. All rights of action and claims under this Indenture or the Notes may be prosecuted and enforced by the Trustee without the possession of any of the Notes or the
production thereof in any proceeding relating thereto, and any such proceeding instituted by the Trustee shall be brought in its own name and as trustee of an express trust, and any recovery of judgment shall, after provision for the payment of the
reasonable compensation, expenses, disbursements and advances of the Trustee, its agents and counsel, be for the ratable benefit of the Holders in respect of which such judgment has been recovered. 
 SECTION 506. Application of Money Collected. Any money or property collected by the Trustee pursuant to this Article Five shall be applied in the
following order, at the date or dates fixed by the Trustee and, in case of the distribution of such money on account of principal (or premium, if any) or interest, upon presentation of the Notes and the notation thereon of the payment if only
partially paid and upon surrender thereof if fully paid: 
 FIRST: To the payment of all amounts due the Trustee under
Section 607; 
 SECOND: To the payment of the amounts then due and unpaid for principal of (and premium, if any)
and interest on the Notes in respect of which or for the benefit of which such money has been collected, ratably, without preference or priority of any kind, according to the amounts due and payable on such Notes for principal (and premium, if any)
and interest, respectively; and 
 THIRD: The balance, if any, to the Company or as a court of competent jurisdiction
may direct in writing; provided that all sums due and owing to the Holders and the Trustee have been paid in full as required by this Indenture. 
 The Trustee may fix a record date and payment date for any payment to Holders of Notes pursuant to this Section 506. 
 SECTION 507. Limitation on Suits. Subject to Section 508, no Holder of any Notes shall have any right to institute any proceeding, judicial or otherwise, with respect to this Indenture, or for the
appointment of a receiver or trustee, or for any other remedy hereunder, unless: 
 (1) such Holder has previously given the
Trustee notice that an Event of Default is continuing; 
 (2) Holders of at least 30% in principal amount of the Outstanding
Notes have requested the Trustee to pursue the remedy; 
  

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 (3) such Holders have offered the Trustee reasonable security or indemnity reasonably
satisfactory to it against any loss, liability or expense; 
 (4) the Trustee has not complied with such request within 60
days after the receipt thereof and the offer of security or indemnity; and 
 (5) Holders of a majority in principal amount of
the Outstanding Notes have not given the Trustee a direction inconsistent with such request within such 60-day period, 
 it being understood and intended
that no one or more Holders shall have any right in any manner whatever by virtue of, or by availing of, any provision of this Indenture or the Subsidiary Guarantees to affect, disturb or prejudice the rights of any other Holders, or to obtain or to
seek to obtain priority or preference over any other Holders or to enforce any right under this Indenture or the Subsidiary Guarantees, except in the manner herein provided and for the equal and ratable benefit of all the Holders (it being further
understood that the Trustee does not have an affirmative duty to ascertain whether or not such actions or forbearances are unduly prejudicial to such Holders). 
 SECTION 508. Unconditional Right of Holders to Receive Principal, Premium and Interest. Notwithstanding any other provision in this Indenture, the Holder of any Note shall have the right, which is absolute and
unconditional, to receive payment, as provided herein (including, if applicable, Article Eleven) and in such Note of the principal of (and premium, if any) and (subject to Section 306) interest on such Note on the respective Stated Maturities
expressed in such Note (or, in the case of redemption, on the Redemption Date) and to institute suit for the enforcement of any such payment on or after such respective dates, and such rights shall not be impaired without the consent of such Holder.

 SECTION 509. Restoration of Rights and Remedies. If the Trustee or any Holder has instituted any proceeding to enforce any right or
remedy under this Indenture or the Subsidiary Guarantees and such proceeding has been discontinued or abandoned for any reason, or has been determined adversely to the Trustee or to such Holder, then and in every such case, subject to any
determination in such proceeding, the Company, any Subsidiary Guarantor, any other obligor of the Notes, the Trustee and the Holders shall be restored severally and respectively to their former positions hereunder and thereafter all rights and
remedies of the Trustee and the Holders shall continue as though no such proceeding had been instituted. 
 SECTION 510. Rights and
Remedies Cumulative. Except as otherwise provided with respect to the replacement or payment of mutilated, destroyed, lost or stolen Notes in the last paragraph of Section 305, no right or remedy herein conferred upon or reserved to the
Trustee or to the Holders is intended to be exclusive of any other right or remedy, and every right and remedy shall, to the extent permitted by law, be cumulative and in addition to every other right and remedy given hereunder or now or hereafter
existing at law or in equity or otherwise. The assertion or employment of any right or remedy hereunder, or otherwise, shall not prevent the concurrent assertion or employment of any other appropriate right or remedy. 
 SECTION 511. Delay or Omission Not Waiver. No delay or omission of the Trustee or of any Holder of any Note to exercise any right or remedy
accruing upon any Event of Default shall impair any such right or remedy or constitute a waiver of any such Event of Default or an acquiescence therein. Every right and remedy given by this Article Five or by law to the Trustee or to the Holders may
be exercised from time to time, and as often as may be deemed expedient, by the Trustee or by the Holders, as the case may be. 
 SECTION
512. Control by Holders. The Holders of not less than a majority in principal amount of the Outstanding Notes shall have the right to direct the time, method and place of conducting any proceeding for any remedy available to the Trustee, or
exercising any trust or power conferred on the Trustee, provided that: 
 (1) such direction shall not be in conflict
with any rule of law or with this Indenture, 
 (2) subject to Section 315 of the Trust Indenture Act, the Trustee may
take any other action deemed proper by the Trustee which is not inconsistent with such direction, and 
  

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 (3) the Trustee need not take any action which might involve it in personal liability or
be unduly prejudicial to the Holders not consenting. 
 SECTION 513. Waiver of Default. Subject to Sections 508 and 902, the Holders
of not less than a majority in principal amount of the Outstanding Notes may on behalf of the Holders of all such Notes waive any Default hereunder and its consequences, except a continuing Default or Event of Default (1) in respect of the
payment of interest on, premium, if any, or the principal of any such Note held by a non-consenting Holder, or (2) in respect of a covenant or provision hereof which under Article Nine cannot be modified or amended without the consent of the
Holder of each Outstanding Note affected. 
 Upon any such waiver, such Default shall cease to exist, and any Event of Default arising
therefrom shall be deemed to have been cured, for every purpose of this Indenture, but no such waiver shall extend to any subsequent or other Default or impair any right consequent thereon. 
 SECTION 514. Waiver of Stay or Extension Laws. Each of the Company, the Subsidiary Guarantors and any other obligor on the Notes covenants (to the
extent that it may lawfully do so) that it shall not at any time insist upon, or plead, or in any manner whatsoever claim or take the benefit or advantage of, any stay or extension law wherever enacted, now or at any time hereafter in force that
would prohibit or forgive the Company or a Subsidiary Guarantor from paying any portion of the principal of, and premium, if any, and interest on the Notes. 
 SECTION 515. Undertaking for Costs. In any suit for the enforcement of any right or remedy under this Indenture or in any suit against the Trustee for any action taken or omitted by it as a Trustee, a court in
its discretion may require the filing by any party litigant in the suit of an undertaking to pay the costs of the suit, and the court in its discretion may assess reasonable costs, including reasonable attorneys’ fees and expenses, against any
party litigant in the suit, having due regard to the merits and good faith of the claims or defenses made by the party litigant. This Section 515 does not apply to a suit by the Trustee, a suit by a Holder of a Note pursuant to Section 508
hereof, or a suit by Holders of more than 10% in principal amount of the then outstanding Notes. 
 ARTICLE SIX 
 THE TRUSTEE 
 SECTION 601. Duties
of the Trustee. 
 (a) Except during the continuance of an Event of Default, 
 (1) the Trustee undertakes to perform such duties and only such duties as are specifically set forth in this Indenture, and no implied
covenants or obligations shall be read into this Indenture against the Trustee; and 
 (2) in the absence of bad faith or
willful misconduct on its part, the Trustee may conclusively rely, as to the truth of the statements and the correctness of the opinions expressed therein, upon certificates or opinions furnished to the Trustee and conforming to the requirements of
this Indenture; but in the case of any such certificates or opinions specifically required by any provision hereof to be provided to it, the Trustee shall be under a duty to examine the same to determine whether or not they conform to the
requirements of this Indenture, but not to verify the contents thereof. 
 (b) If an Event of Default has occurred and is continuing of which
a Responsible Officer of the Trustee has actual knowledge or of which written notice of such Event of Default shall have been given to the Trustee by the Company, any other obligor of the Notes or by any Holder, the Trustee shall exercise such of
the rights and powers vested in it by this Indenture, and use the same degree of care and skill in their exercise, as a prudent Person would exercise or use under the circumstances in the conduct of such Person’s own affairs. 
 (c) No provision of this Indenture shall be construed to relieve the Trustee from liability for its own negligent action, its own negligent failure to
act, or its own willful misconduct, except that 
  

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 (1) this paragraph (c) shall not be construed to limit the effect of paragraph
(a) of this Section; 
 (2) the Trustee shall not be liable for any error of judgment made in good faith by a Responsible
Officer, unless it shall be proved that the Trustee was negligent in ascertaining the pertinent facts; 
 (3) the Trustee
shall not be liable with respect to any action taken or omitted to be taken by it in good faith in accordance with the direction of the Holders of a majority in aggregate principal amount of the Outstanding Notes relating to the time, method and
place of conducting any proceeding for any remedy available to the Trustee, or exercising any trust or power conferred upon the Trustee, under this Indenture; and 
 (4) no provision of this Indenture shall require the Trustee to expend or risk its own funds or otherwise incur any financial liability in
the performance of any of its duties hereunder, or in the exercise of any of its rights or powers, if it shall have reasonable grounds for believing that repayment of such funds or adequate indemnity against such risk or liability is not reasonably
assured to it. 
 (d) Whether or not therein expressly so provided, every provision of this Indenture relating to the conduct or affecting
the liability of or affording protection to the Trustee shall be subject to the provisions of this Section. 
 SECTION 602. Notice of
Defaults. If a Default or Event of Default occurs and is continuing and if it is known to the Trustee, the Trustee shall transmit, in the manner and to the extent provided in TIA Section 313(c), notice of such Default or Event of Default
within 90 days after it occurs unless such Default or Event of Default shall have been cured or waived. Except in the case of a Default or Event of Default in the payment of the principal of (or premium, if any, on) or interest on any Note, the
Trustee shall be protected in withholding such notice if it determines that the withholding of such notice is in the interest of the Holders. In addition, the Trustee shall have no obligation to accelerate the Notes if in the best judgment of the
Trustee acceleration is not in the best interest of the Holders of such Notes. 
 SECTION 603. Certain Rights of Trustee. Subject to
the provisions of TIA Sections 315(a) through 315(d): 
 (1) the Trustee may conclusively rely and shall be fully protected in
acting or refraining from acting upon any resolution, certificate, statement, instrument, opinion, report, notice, request, direction, consent, order, bond, debenture, note, other evidence of indebtedness or other paper or document (whether in
original or facsimile form) believed by it to be genuine and to have been signed or presented by the proper party or parties; 
 (2) any request or direction of the Company mentioned herein shall be sufficiently evidenced by a Company Request or Company Order and any resolution of the Board of Directors may be sufficiently evidenced by a Board Resolution; 

(3) whenever in the administration of this Indenture the Trustee shall deem it desirable that a matter be proved or established prior
to taking, suffering or omitting any action hereunder, the Trustee (unless other evidence be herein specifically prescribed) may, in the absence of bad faith on its part, rely upon an Officers’ Certificate and an Opinion of Counsel; 

(4) the Trustee may consult with counsel of its own selection and the advice of such counsel or any Opinion of Counsel shall be full
and complete authorization and protection in respect of any action taken, suffered or omitted by it hereunder in good faith and in accordance with the advice or opinion of such counsel; 
 (5) the Trustee shall be under no obligation to exercise any of the rights or powers vested in it by this Indenture at the request or
direction of any of the Holders pursuant to this Indenture, unless such 

  

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Holders shall have offered to the Trustee reasonable security or indemnity satisfactory to it against the costs, expenses, losses and liabilities which might
be incurred by it in compliance with such request or direction; 
 (6) the Trustee shall not be bound to make any
investigation into the facts or matters stated in any resolution, certificate, statement, instrument, opinion, report, notice, request, direction, consent, order, bond, debenture, note, other evidence of indebtedness or other paper or document, but
the Trustee, in its discretion, may make such further inquiry or investigation into such facts or matters as it may see fit, and, if the Trustee shall determine to make such further inquiry or investigation, it shall be entitled to examine the
books, records and premises of the Company, personally or by agent or attorney at the expense of the Company and shall incur no liability of any kind by reason of such inquiry or investigation; 
 (7) the Trustee may execute any of the trusts or powers hereunder or perform any duties hereunder either directly or by or through agents
or attorneys and the Trustee shall not be responsible for any misconduct or negligence on the part of any agent or attorney appointed with due care by it hereunder; 
 (8) the Trustee shall not be liable for any action taken, suffered or omitted by it in good faith and believed by it to be authorized or
within the discretion or rights or powers conferred upon it by this Indenture; provided, however, that the Trustee’s conduct does not constitute willful misconduct, bad faith or negligence; 
 (9) the rights, privileges, protections, immunities and benefits given to the Trustee pursuant to this Indenture, including its right to
be indemnified, are extended to, and shall be enforceable by, the Trustee in each of its capacities hereunder, and each agent, custodian and other Person employed to act hereunder; and 
 (10) in no event shall the Trustee be responsible or liable for special, indirect, or consequential loss or damage of any kind whatsoever
(including, but not limited to, loss of profit) irrespective of whether the Trustee has been advised of the likelihood of such loss or damage and regardless of the form of action. 
 SECTION 604. Trustee Not Responsible for Recitals or Issuance of Notes. The recitals contained herein and in the Notes, except for the
Trustee’s certificates of authentication, shall be taken as the statements of the Company, and the Trustee assumes no responsibility for their correctness. The Trustee makes no representations as to the validity or sufficiency of this Indenture
or of the Notes, except that the Trustee represents that it is duly authorized to execute and deliver this Indenture, authenticate the Notes and perform its obligations hereunder and that the statements made by it in a Statement of Eligibility on
Form T-1 supplied to the Company are true and accurate, subject to the qualifications set forth therein. The Trustee shall not be accountable for the use or application by the Company of Notes or the proceeds thereof. 
 SECTION 605. May Hold Notes. The Trustee, any Paying Agent, any Note Registrar or any other agent of the Company or of the Trustee, in its
individual or any other capacity, may become the owner or pledgee of Notes and, subject to TIA Sections 310(b) and 311, may otherwise deal with the Company with the same rights it would have if it were not the Trustee, Paying Agent, Note Registrar
or such other agent; provided, however, that, if it acquires any conflicting interest, it must eliminate such conflict within 90 days, apply to the SEC for permission to continue or resign. 
 SECTION 606. Money Held in Trust. Money held by the Trustee in trust hereunder need not be segregated from other funds except to the extent
required by law. The Trustee shall be under no liability for interest on any money received by it hereunder except as otherwise agreed in writing with the Company. 
 SECTION 607. Compensation and Reimbursement. The Company and the Subsidiary Guarantors, jointly and severally, agree: 
 (1) to pay to the Trustee from time to time such compensation as shall be agreed in writing between the Company and the Trustee for all
services rendered by it hereunder (which compensation shall not be limited by any provision of law in regard to the compensation of a trustee of an express trust); 
  

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 (2) except as otherwise expressly provided herein, to reimburse the Trustee upon its
request for all reasonable out-of-pocket expenses, disbursements and advances incurred or made by the Trustee in accordance with any provision of this Indenture (including the reasonable compensation and the expenses and disbursements of its agents
and counsel), except any such expense, disbursement or advance as shall be determined to have been caused by its own negligence or willful misconduct; and 
 (3) to indemnify the Trustee and any predecessor Trustee for, and to hold it harmless against, any and all loss, liability, claim, damage or reasonable out-of-pocket expenses, including taxes (other than the taxes
based on the income of the Trustee) incurred without negligence or willful misconduct on its part, arising out of or in connection with the acceptance or administration of this trust, including the costs and expenses of defending itself against any
claim regardless of whether the claim is asserted by the Company, a Subsidiary Guarantor, a Holder or any other Person or liability in connection with the exercise or performance of any of its powers or duties hereunder. 
 The obligations of the Company under this Section to compensate the Trustee, to pay or reimburse the Trustee for reasonable out-of-pocket expenses,
disbursements and advances and to indemnify and hold harmless the Trustee shall constitute additional indebtedness hereunder and shall survive the satisfaction and discharge of this Indenture and resignation or removal of the Trustee. As security
for the performance of such obligations of the Company, the Trustee shall have a claim prior to the Notes upon all property and funds held or collected by the Trustee as such, except funds held in trust for the payment of principal of (and premium,
if any) or interest on particular Notes. 
 When the Trustee incurs expenses or renders services in connection with an Event of Default
specified in Section 501(6), the expenses (including the reasonable charges and expenses of its counsel) of and the compensation for such services are intended to constitute expenses of administration under any applicable Bankruptcy Law.

 The provisions of this Section shall survive the termination of this Indenture and resignation or removal of the Trustee. 
 SECTION 608. Corporate Trustee Required; Eligibility. There shall be at all times a Trustee hereunder which shall be eligible to act as Trustee
under TIA Section 310(a)(1) and shall have a combined capital and surplus of at least $50,000,000. If such corporation publishes reports of condition at least annually, pursuant to law or to the requirements of Federal, State, territorial or
District of Columbia supervising or examining authority, then for the purposes of this Section, the combined capital and surplus of such corporation shall be deemed to be its combined capital and surplus as set forth in its most recent report of
condition so published. If at any time the Trustee shall cease to be eligible in accordance with the provisions of this Section, it shall resign immediately in the manner and with the effect hereinafter specified in this Article Six. 
 SECTION 609. Resignation and Removal; Appointment of Successor. 
 (a) No resignation or removal of the Trustee and no appointment of a successor Trustee pursuant to this Article Six shall become effective until the acceptance of appointment by the successor Trustee in accordance
with the applicable requirements of Section 610. 
 (b) The Trustee may resign at any time by giving written notice thereof within 30
days of such resignation to the Company. Upon receiving such notice of resignation, the Company shall promptly appoint a successor trustee by written instrument executed by authority of the Board of Directors, a copy of which shall be delivered to
the resigning Trustee and a copy to the successor Trustee. If the instrument of acceptance by a successor Trustee required by Section 610 shall not have been delivered to the Trustee within 30 days after the giving of such notice of
resignation, the resigning Trustee may petition, at the expense of the Company, any court of competent jurisdiction for the appointment of a successor Trustee. 
  

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 (c) The Trustee may be removed at any time by Act of the Holders of not less than a majority in principal
amount of the Outstanding Notes, delivered to the Trustee and to the Company. If the instrument of acceptance by a successor Trustee required by Section 610 shall not have been delivered to the Trustee within 30 days after the giving of such
notice of resignation, the resigning Trustee may petition, at the expense of the Company, any court of competent jurisdiction for the appointment of a successor Trustee. 
 (d) The Trustee shall comply with TIA Section 310(b); provided, however, that there shall be excluded from the operation of TIA Section 310(b)(1) any indenture or indentures under which other
securities or certificates of interest or participation in other securities of the Company are outstanding if the requirements for such exclusion set forth in TIA Section 310(b)(1) are met. 
 (e) If the Trustee shall resign, be removed or become incapable of acting, or if a vacancy shall occur in the office of Trustee for any cause, the
Company, by a Board Resolution, shall promptly appoint a successor Trustee. If, within one year after such resignation, removal or incapability, or the occurrence of such vacancy, a successor Trustee shall be appointed by Act of the Holders of a
majority in principal amount of the Outstanding Notes delivered to the Company and the retiring Trustee, the successor Trustee so appointed shall, forthwith upon its acceptance of such appointment, become the successor Trustee and supersede the
successor Trustee appointed by the Company. If no successor Trustee shall have been so appointed by the Company or the Holders and accepted appointment in the manner hereinafter provided, any Holder who has been a bona fide Holder of a Note for at
least six months may, on behalf of himself and all others similarly situated, petition any court of competent jurisdiction for the appointment of a successor Trustee. 
 (f) The Company shall give notice of each resignation and each removal of the Trustee and each appointment of a successor Trustee to the Holders in the manner provided for in Section 107. Each notice shall
include the name of the successor Trustee and the address of its Corporate Trust Office. 
 SECTION 610. Acceptance of Appointment by
Successor. 
 (a) Every successor Trustee appointed hereunder shall execute, acknowledge and deliver to the Company and to the retiring
Trustee an instrument accepting such appointment, and thereupon the resignation or removal of the retiring Trustee shall become effective and such successor Trustee, without any further act, deed or conveyance, shall become vested with all the
rights, powers, trusts and duties of the retiring Trustee; but, on request of the Company or the successor Trustee, such retiring Trustee shall, upon payment of its charges, execute and deliver an instrument transferring to such successor Trustee
all the rights, powers and trusts of the retiring Trustee and shall duly assign, transfer and deliver to such successor Trustee all property and money held by such retiring Trustee hereunder. Upon request of any such successor Trustee, the Company
shall execute any and all instruments for more fully and certainly vesting in and confirming to such successor Trustee all such rights, powers and trusts. 
 (b) No successor Trustee shall accept its appointment unless at the time of such acceptance such successor Trustee shall be qualified and eligible under this Article Six. 
 SECTION 611. Merger, Conversion, Consolidation or Succession to Business. Any corporation into which the Trustee may be merged or converted or
with which it may be consolidated, or any corporation resulting from any merger, conversion or consolidation to which the Trustee shall be a party, or any corporation succeeding to all or substantially all of the corporate trust business of the
Trustee, shall be the successor of the Trustee hereunder; provided that such corporation shall be otherwise qualified and eligible under this Article Six, without the execution or filing of any paper or any further act on the part of any of
the parties hereto. In case any Notes shall have been authenticated, but not delivered, by the Trustee then in office, any successor by merger, conversion or consolidation to such authenticating Trustee may adopt such authentication and deliver the
Notes so authenticated with the same effect as if such successor Trustee had itself authenticated such Notes. In case at that time any of the Notes shall not have been authenticated, any successor Trustee may authenticate such Notes either in the
name of any predecessor hereunder or in the name of the successor Trustee. In all such cases such certificates shall have the full force and effect which this Indenture provides for the certificate of authentication of the Trustee; provided,
however, that the right to adopt the certificate of authentication of any predecessor Trustee or to authenticate Notes in the name of any predecessor Trustee shall apply only to its successor or successors by merger, conversion or
consolidation. 
  

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 SECTION 612. Appointment of Authenticating Agent. At any time when any of the Notes remain
Outstanding, the Trustee may appoint an authenticating agent or agents with respect to the Notes which shall be authorized to act on behalf of the Trustee to authenticate Notes (an “Authenticating Agent”) and the Trustee shall give
written notice of such appointment to all Holders of Notes with respect to which such Authenticating Agent shall serve, in the manner provided for in Section 107. Notes so authenticated shall be entitled to the benefits of this Indenture and
shall be valid and obligatory for all purposes as if authenticated by the Trustee hereunder. Any such appointment shall be evidenced by an instrument in writing signed by a Responsible Officer of the Trustee, and a copy of such instrument shall be
promptly furnished to the Company. Wherever reference is made in this Indenture to the authentication and delivery of Notes by the Trustee or the Trustee’s certificate of authentication, such reference shall be deemed to include authentication
and delivery on behalf of the Trustee by an Authenticating Agent and a certificate of authentication executed on behalf of the Trustee by an Authenticating Agent. Each Authenticating Agent shall be acceptable to the Company and shall at all times be
a corporation organized and doing business under the laws of the United States of America, any state thereof or the District of Columbia, authorized under such laws to act as Authenticating Agent, having a combined capital and surplus of not less
than $50,000,000 and subject to supervision or examination by Federal or state authority. If such corporation publishes reports of condition at least annually, pursuant to law or to the requirements of said supervising or examining authority, then
for the purposes of this Section, the combined capital and surplus of such corporation shall be deemed to be its combined capital and surplus as set forth in its most recent report of condition so published. If at any time an Authenticating Agent
shall cease to be eligible in accordance with the provisions of this Section, it shall resign immediately in the manner and with the effect specified in this Section. 
 Any corporation into which an Authenticating Agent may be merged or converted or with which it may be consolidated, or any corporation resulting from any merger, conversion or consolidation to which such
Authenticating Agent shall be a party, or any corporation succeeding to all or substantially all the corporate agency or corporate trust business of an Authenticating Agent, shall continue to be an Authenticating Agent; provided that such
corporation shall be otherwise eligible under this Section, without the execution or filing of any paper or any further act on the part of the Trustee or the Authenticating Agent. 
 An Authenticating Agent may resign at any time by giving written notice thereof to the Trustee and to the Company. The Trustee may at any time terminate
the agency of an Authenticating Agent by giving written notice thereof to such Authenticating Agent and to the Company. Upon receiving such a notice of resignation or upon such a termination, or in case at any time such Authenticating Agent shall
cease to be eligible in accordance with the provisions of this Section, the Trustee may appoint a successor Authenticating Agent which shall be acceptable to the Company and shall give written notice of such appointment to all Holders of Notes, in
the manner provided for in Section 107. Any successor Authenticating Agent upon acceptance of its appointment hereunder shall become vested with all the rights, powers and duties of its predecessor hereunder, with like effect as if originally
named as an Authenticating Agent. No successor Authenticating Agent shall be appointed unless eligible under the provisions of this Section. 
 The Company agrees to pay to each Authenticating Agent from time to time such compensation for its services under this Section as shall be agreed in writing between the Company and such Authenticating Agent. 
 If an appointment is made pursuant to this Section, the Notes may have endorsed thereon, in addition to the Trustee’s certificate of authentication,
an alternate certificate of authentication in the following form: 
 This is one of the Notes designated therein referred to in the
within-mentioned Indenture. 
  

			
	 LASALLE BANK NATIONAL ASSOCIATION
as Trustee

	
		
	By:	 	  

		 	as Authenticating Agent
		
	By:	 	  

		 	as Authorized Officer


  

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 ARTICLE SEVEN 
 HOLDERS LISTS AND REPORTS BY TRUSTEE AND COMPANY 
 SECTION 701. Holder Lists. The Trustee
shall preserve in as current a form as is reasonably practicable the most recent list available to it of the names and addresses of all Holders and shall otherwise comply with Trust Indenture Act Section 312(a). If the Trustee is not the Note
Registrar, the Company shall furnish to the Trustee at least two Business Days before each Interest Payment Date and at such other times as the Trustee may request in writing, a list in such form and as of such date as the Trustee may reasonably
require of the names and addresses of the Holders of Notes and the Company shall otherwise comply with Trust Indenture Act Section 312(a). 
 SECTION 702. Disclosure of Names and Addresses of Holders. Every Holder, by receiving and holding Notes, agrees with the Company and the Trustee that none of the Company or the Trustee or any agent of either of them shall be held
accountable by reason of the disclosure of any such information as to the names and addresses of the Holders in accordance with TIA Section 312, regardless of the source from which such information was derived, and that the Trustee shall not be
held accountable by reason of mailing any material pursuant to a request made under TIA Section 312(b). 
 SECTION 703. Reports by
Trustee. Within 60 days after May 15 of each year commencing with the first May 15 after the Issue Date, and for so long as Notes remain outstanding, the Trustee shall mail to the Holders (with a copy to the Company at the address
specified in Section 106), in the manner and to the extent provided in TIA Section 313(c), a brief report dated as of such May 15 that complies with TIA Section 313(a). The Trustee also shall comply with TIA Section 313(b).
The Trustee shall also transmit by mail all reports as required by the TIA Section 313(c). 
 ARTICLE EIGHT 
 MERGER, CONSOLIDATION OR SALE OF ALL OR SUBSTANTIALLY ALL ASSETS 
 SECTION 801. Company May Consolidate, Etc., Only on Certain Terms. 
 (a) The Company may not
consolidate or merge with or into or wind up into (whether or not the Company is the surviving entity), or sell, assign, transfer, lease, convey or otherwise dispose of all or substantially all of its properties or assets, in one or more related
transactions, to any Person unless: 
 (1) the Company is the surviving corporation or the Person formed by or surviving any
such consolidation or merger (if other than the Company) or to which such sale, assignment, transfer, lease, conveyance or other disposition shall have been made is a corporation organized or existing under the laws of the United States of America,
any state thereof, the District of Columbia, or any territory thereof (the Company or such Person, as the case may be, being herein called the “Successor Company”); 
 (2) the Successor Company, if other than the Company, expressly assumes all the obligations of the Company under this Indenture and the
Notes pursuant to supplemental indentures or other documents or instruments in form reasonably satisfactory to the Trustee; 
 (3) immediately after such transaction, no Default exists; 
 (4) immediately after giving pro forma effect to
such transaction, as if such transaction had occurred at the beginning of the applicable four-quarter period, 
  

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 (A) the Successor Company would be permitted to incur at least $1.00 of additional
Indebtedness pursuant to the Fixed Charge Coverage Ratio test set forth in Section 1011(a) of this Indenture or 
 (B)
the Fixed Charge Coverage Ratio for the Successor Company and the Restricted Subsidiaries on a consolidated basis would be greater than such ratio for the Company and the Restricted Subsidiaries immediately prior to such transaction; 
 (5) each Subsidiary Guarantor, unless it is the other party to the transactions described above, in which case Section 802(A)(2)
shall apply, shall have by supplemental indenture confirmed that its Subsidiary Guarantee shall apply to such Person’s obligations under this Indenture and the Notes; and 
 (6) the Company shall have delivered to the Trustee an Officers’ Certificate and an Opinion of Counsel, each stating that such
consolidation, merger or transfer and such supplemental indentures, if any, comply with this Indenture. 
 (b) Notwithstanding clauses (a)(3)
and (a)(4) above, 
 (1) any Restricted Subsidiary may consolidate with, merge into or transfer all or part of its properties
and assets to the Company and 
 (2) the Company may merge with an Affiliate of the Company incorporated solely for the
purpose of reincorporating the Company in another State of the United States so long as the amount of Indebtedness of the Company and the Restricted Subsidiaries is not increased thereby. 
 SECTION 802. Subsidiary Guarantors May Consolidate, Etc., Only on Certain Terms. Subject to Section 1208, each Subsidiary Guarantor shall
not, and the Company shall not permit any Subsidiary Guarantor to, consolidate or merge with or into or wind up into (whether or not such Subsidiary Guarantor is the surviving corporation), or sell, assign, transfer, lease, convey or otherwise
dispose of all or substantially all of its properties or assets in one or more related transactions to, any Person unless: 
 (A) (1) such Subsidiary Guarantor is the surviving corporation or the Person formed by or surviving any such consolidation or merger (if other than such Subsidiary Guarantor) or to which such sale, assignment, transfer, lease, conveyance or
other disposition shall have been made is a corporation organized or existing under the laws of the United States of America, any state thereof, the District of Columbia, or any territory thereof (such Subsidiary Guarantor or such Person, as the
case may be, being herein called the “Successor Person”); 
 (2) the Successor Person, if other than such
Subsidiary Guarantor, expressly assumes all the obligations of such Subsidiary Guarantor under this Indenture and such Subsidiary Guarantor’s Subsidiary Guarantee, pursuant to supplemental indentures or other documents or instruments in form
reasonably satisfactory to the Trustee; 
 (3) immediately after such transaction, no Default exists; and 
 (4) the Company shall have delivered to the Trustee an Officers’ Certificate and an Opinion of Counsel, each stating that such
consolidation, merger or transfer and such supplemental indentures, if any, comply with this Indenture; or 
 (B) the
transaction is made in compliance with Section 1018 of this Indenture. 
 Notwithstanding the foregoing, any Subsidiary Guarantor may
merge into or transfer all or part of its properties and assets to another Subsidiary Guarantor or the Company. 
 SECTION 803.
Reserved. 
  

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 SECTION 804. Successor Substituted. Subject to Section 1208 hereof (with respect to any
Subsidiary Guarantor only), upon any consolidation or merger, or any sale, assignment, conveyance, transfer, lease or disposition of all or substantially all of the assets of the Company or any Subsidiary Guarantor in accordance with Sections 801
and 802 hereof, the successor Person formed by such consolidation or into which the Company or such Subsidiary Guarantor, as the case may be, is merged or the successor Person to which such sale, assignment, conveyance, transfer, lease or
disposition is made, shall succeed to, and be substituted for, and may exercise every right and power of, the Company or such Subsidiary Guarantor, as the case may be, under this Indenture or the Subsidiary Guarantees, as the case may be, with the
same effect as if such successor Person had been named as the Company or such Subsidiary Guarantor, as the case may be, under this Indenture or the Subsidiary Guarantees, as the case may be; provided that the predecessor Company or any
Subsidiary Guarantor shall not be relieved from the obligation to pay the principal of and interest and Additional Interest, if any, on the Notes except in the case of a sale, assignment, transfer, conveyance or other disposition of all of the
assets of the Company or such Subsidiary Guarantor, as the case may be, that meets the requirements of Sections 801 and 802 hereof, as applicable. 
 SECTION 805. Reserved. 
 SECTION 806. Assets of Subsidiary Apply to Company. For purposes of this Article Eight, the
sale, lease, conveyance, assignment, transfer or other disposition of all or substantially all of the properties and assets of one or more Subsidiaries of the Company, which properties and assets, if held by the Company instead of such Subsidiaries,
would constitute all or substantially all of the properties and assets of the Company and its Subsidiaries on a consolidated basis shall be deemed to be the transfer of all or substantially all of the properties and assets of the Company.

 ARTICLE NINE 
 AMENDMENT, SUPPLEMENT AND WAIVER 
 SECTION 901. Amendments or Supplements Without Consent of Holders. Notwithstanding
Section 902 hereof, without the consent of any Holder, the Company, any Subsidiary Guarantor (with respect to a Subsidiary Guarantee or this Indenture to which it is a party), and the Trustee, at any time and from time to time, may amend or
supplement this Indenture, any Subsidiary Guarantee or the Notes, in form satisfactory to the Trustee, for any of the following purposes: 
 (1) to cure any ambiguity, omission, mistake, defect or inconsistency; 
 (2) to provide for
uncertificated Notes in addition to or in place of certificated Notes; 
 (3) to comply with Article Eight hereof and to
provide for the assumption of the Company’s or such Subsidiary Guarantor’s obligations to Holders in connection therewith; 
 (4) to make any change that would provide any additional rights or benefits to the Holders or that does not adversely affect the legal rights of any such Holder under this Indenture; 
 (5) to add covenants for the benefit of the Holders or to surrender any right or power conferred in this Indenture upon the Company or a
Subsidiary Guarantor; 
 (6) to comply with requirements of the SEC in order to effect or maintain the qualification of this
Indenture under the Trust Indenture Act; 
 (7) to evidence and provide for the acceptance and appointment under this
Indenture of a successor Trustee pursuant to the requirements of Sections 609 and 610 hereof; 
 (8) to provide for the
issuance of Exchange Notes or private exchange notes, which are identical to Exchange Notes except that they are not freely transferable; 
  

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 (9) to add a Subsidiary Guarantor or any other guarantor under this Indenture;

 (10) to conform the text of this Indenture, Subsidiary Guarantees or the Notes to any provision of the “Description of
Senior Notes” section of the December 2006 Offering Circular to the extent that such provision of this Indenture, the Subsidiary Guarantees or the Notes was intended to be a verbatim recitation of a provision of such “Description of Senior
Notes”, taking into account such non-conforming changes as are reasonably deemed necessary by the Company and Trustee to make the Indenture consistent in substance with the Senior PIK Indenture (other than the cash-pay feature of the Notes); or

 (11) to make any amendment to the provisions of this Indenture relating to the transfer and legending of Notes;
provided, however, that (A) compliance with this Indenture as so amended would not result in Notes being transferred in violation of the Securities Act or any applicable securities law and (B) such amendment does not
materially and adversely affect the rights of Holders to transfer Notes. 
 Upon the request of the Company accompanied by a Board Resolution
authorizing the execution of any such amended or supplemental indenture, and upon receipt by the Trustee of the documents described in Section 603 hereof, the Trustee shall join with the Company and the Subsidiary Guarantors in the execution of
any amended or supplemental indenture authorized or permitted by the terms of this Indenture and to make any further appropriate agreements and stipulations that may be therein contained, but the Trustee shall not be obligated to enter into such
amended or supplemental indenture that affects its own rights, duties or immunities under this Indenture or otherwise. Notwithstanding the foregoing, no Opinion of Counsel shall be required in connection with the addition of a Subsidiary Guarantor
under this Indenture upon execution and delivery by such Subsidiary Guarantor and the Trustee of a supplemental indenture to this Indenture, the form of which is attached as Exhibit B hereto, and delivery of an Officer’s Certificate.

 SECTION 902. Amendments or Supplements with Consent of Holders. With the written consent of the Holders of not less than a majority
in principal amount of the Outstanding Notes, delivered to the Company and the Trustee, the Company, any Subsidiary Guarantor (with respect to any Subsidiary Guarantee or this Indenture to which it is a party) and the Trustee may (a) amend or
supplement this Indenture, any Subsidiary Guarantee or the Notes (including consents obtained in connection with a purchase of, or tender offer or Exchange Offer for, the Notes) and (b) waive any existing Default or Event of Default or
compliance with any provision of this Indenture or the Notes (including consents obtained in connection with a purchase of, or tender offer or Exchange Offer, for Notes). Notwithstanding the foregoing sentence, no such amendment, supplement or
waiver shall, without the consent of each Holder of the Outstanding Notes affected thereby: 
 (1) reduce the principal amount
of Notes whose Holders must consent to an amendment, supplement or waiver, 
 (2) reduce the principal of or change the
Maturity of any such Note or alter or waive the provisions with respect to the redemption of the Notes (other than Sections 1017 and 1018), 
 (3) reduce the rate of or change the time for payment of interest on any Note, 
 (4) waive a
Default or Event of Default in the payment of principal of or premium, if any, or interest on the Notes issued under this Indenture, except a rescission of acceleration of the Notes by the Holders of at least a majority in aggregate principal amount
of the Outstanding Notes and a waiver of the payment default that resulted from such acceleration, or in respect of a covenant or provision contained in this Indenture or any Subsidiary Guarantee that cannot be amended or modified without the
consent of all Holders, 
 (5) make any Note payable in money other than that stated in the Notes, 
 (6) make any change in the provisions of Section 508 or Section 513 of this Indenture, 
  

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 (7) make any change in the ranking of this Indenture and the Notes that would adversely
affect the Holders, 
 (8) except as otherwise expressly permitted by this Indenture, modify the Subsidiary Guarantee of any
Significant Subsidiary (or any group of Subsidiaries that together would constitute a Significant Subsidiary) in any manner adverse to the Holders, 
 (9) make any change in these amendment and waiver provisions, or 
 (10) impair the right of
any Holder to receive payment of principal of, or interest on such Holder’s Notes on or after the due dates therefor or to institute suit for the enforcement of any payment on or with respect to such Holder’s Notes. 
 The consent of the Holders is not necessary under this Indenture to approve the particular form of any proposed amendment. It is sufficient if such
consent approves the substance of the proposed amendment. 
 SECTION 903. Execution of Amendments, Supplements or Waivers. The Trustee
shall sign any amendment, supplement or waiver authorized pursuant to this Article Nine if the amendment or supplement does not adversely affect the rights, duties, liabilities or immunities of the Trustee. The Company may not sign an amendment,
supplement or waiver that requires consent of Holders until the Board of Directors approves it. In executing any amendment, supplement or waiver, the Trustee shall be entitled to receive and (subject to Section 601 hereof) shall be fully
protected in relying upon, in addition to the documents required by Section 103 hereof, an Officers’ Certificate and an Opinion of Counsel stating that the execution of such amended or supplemental indenture is authorized or permitted by
this Indenture and that such amendment, supplement or waiver is the legal, valid and binding obligation of the Company and any Subsidiary Guarantors party thereto, enforceable against them in accordance with its terms, subject to customary
exceptions, and complies with the provisions hereof (including Section 905). Notwithstanding the foregoing, no Opinion of Counsel will be required for the Trustee to execute any amendment or supplement adding a new Subsidiary Guarantor under
this Indenture. 
 SECTION 904. Effect of Amendments, Supplements or Waivers. Upon the execution of any supplemental indenture under
this Article Nine, this Indenture shall be modified in accordance therewith, and such amendment, supplement or waiver shall form a part of this Indenture for all purposes; and every Holder of Notes theretofore or thereafter authenticated and
delivered hereunder shall be bound thereby. 
 SECTION 905. Compliance with Trust Indenture Act. Every amendment or supplement to this
Indenture or the Notes shall be set forth in an amended or supplemental indenture that complies with the Trust Indenture Act as then in effect. 
 SECTION 906. Reference in Notes to Supplemental Indentures. Notes authenticated and delivered after the execution of any supplemental indenture pursuant to this Article Nine may, and shall if required by the Trustee, bear a notation
in form approved by the Trustee as to any matter provided for in such supplemental indenture. If the Company shall so determine, new Notes so modified as to conform, in the opinion of the Trustee and the Company, to any such supplemental indenture
may be prepared and executed by the Company and authenticated and delivered by the Trustee in exchange for Outstanding Notes. 
 SECTION 907.
Notice of Supplemental Indentures. Promptly after the execution by the Company, any Subsidiary Guarantor and the Trustee of any supplemental indenture pursuant to the provisions of Section 902, the Company shall give notice thereof to
the Holders, in the manner provided for in Section 107, setting forth in general terms the substance of such supplemental indenture. 
  

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 ARTICLE TEN 
 COVENANTS 
 SECTION 1001. Payment of Principal, Premium, if Any, and Interest. The Company
shall pay or cause to be paid the principal of, premium, if any, Additional Interest, if any, and interest on the Notes on the dates and in the manner provided in the Notes. Principal, premium, if any, Additional Interest, if any, and interest shall
be considered paid on the date due if the Paying Agent, if other than the Company or a Subsidiary, holds as of 12:00 p.m. (Eastern Time) on the due date money deposited by the Company in immediately available funds and designated for and
sufficient to pay all principal, premium, if any, interest and Additional Interest, if any, then due. 
 The Company shall pay interest on
overdue principal at the rate equal to the then applicable interest rate on the Notes, and it shall pay interest on overdue installments of interest at the same rate, in any case to the extent lawful. 
 SECTION 1002. Maintenance of Office or Agency. The Company shall maintain an office or agency in the United States where Notes may be presented or
surrendered for payment, where Notes may be surrendered for registration of transfer or exchange and where notices and demands to or upon the Company in respect of the Notes and this Indenture may be served. The Corporate Trust Office of the Trustee
shall be such office or agency of the Company, unless the Company shall designate and maintain some other office or agency for one or more of such purposes. The Company shall give prompt written notice to the Trustee of any change in the location of
any such office or agency. If at any time the Company shall fail to maintain any such required office or agency or shall fail to furnish the Trustee with the address thereof, such presentations, surrenders, notices and demands may be made or served
at the Corporate Trust Office of the Trustee, and the Company hereby appoints the Trustee as its agent to receive all such presentations, surrenders, notices and demands. 
 The Company may also from time to time designate one or more other offices or agencies where the Notes may be presented or surrendered for any or all such purposes and may from time to time rescind any such
designation. The Company shall give prompt written notice to the Trustee of any such designation or rescission and any change in the location of any such other office or agency. 
 SECTION 1003. Paying Agent to Hold Money in Trust. If the Company shall at any time act as its own Paying Agent, it shall, on or before each due
date of the principal of (or premium, if any) or interest on any of the Notes, segregate and hold in trust for the benefit of the Persons entitled thereto a sum sufficient to pay the principal of (or premium, if any) or interest so becoming due
until such sums shall be paid to such Persons or otherwise disposed of as herein provided and shall promptly notify the Trustee of its action or failure so to act. 
 Whenever the Company shall have one or more Paying Agents for the Notes, it shall, on or before each due date of the principal of (or premium, if any) or interest on any Notes, deposit with a Paying Agent a sum
sufficient to pay the principal (and premium, if any) or interest so becoming due, such sum to be held in trust for the benefit of the Persons entitled to such principal, premium or interest, and (unless such Paying Agent is the Trustee) the Company
shall promptly notify the Trustee of such action or any failure so to act. 
 The Company shall cause each Paying Agent (other than the
Trustee) to execute and deliver to the Trustee an instrument in which such Paying Agent shall agree with the Trustee, subject to the provisions of this Section, that such Paying Agent shall: 
 (1) hold all sums held by it for the payment of the principal of (and premium, if any) or interest on Notes in trust for the benefit of
the Persons entitled thereto until such sums shall be paid to such Persons or otherwise disposed of as herein provided; 
 (2)
give the Trustee notice of any Default by the Company (or any other obligor upon the Notes) in the making of any payment of principal (and premium, if any) or interest; and 
  

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 (3) at any time during the continuance of any such Default, upon the written request of
the Trustee, forthwith pay to the Trustee all sums so held in trust by such Paying Agent. 
 The Company may at any time, for the purpose of
obtaining the satisfaction and discharge of this Indenture or for any other purpose, pay, or by Company Order direct any Paying Agent to pay, to the Trustee all sums held in trust by the Company or such Paying Agent, such sums to be held by the
Trustee upon the same trusts as those upon which such sums were held by the Company or such Paying Agent; and, upon such payment by any Paying Agent to the Trustee, such Paying Agent shall be released from all further liability with respect to such
sums. 
 Subject to applicable laws relating to abandoned property, any money deposited with the Trustee or any Paying Agent, or then held by
the Company, in trust for the payment of the principal of (or premium, if any) or interest on any Note and remaining unclaimed for two years after such principal, premium or interest has become due and payable shall be paid to the Company on Company
Request, or (if then held by the Company) shall be discharged from such trust; and the Holder of such Note shall thereafter, as an unsecured general creditor, look only to the Company for payment thereof, and all liability of the Trustee or such
Paying Agent with respect to such trust money, and all liability of the Company as Trustee thereof, shall thereupon cease. 
 SECTION 1004.
Corporate Existence. Subject to Article Eight, the Company shall do or cause to be done all things necessary to preserve and keep in full force and effect the corporate existence and that of each Restricted Subsidiary and the corporate rights
(charter and statutory) and franchises of the Company and each Restricted Subsidiary; provided, however, that the Company shall not be required to preserve any such corporate existence, right or franchise if the Board of Directors of
the Company shall determine that the preservation thereof is no longer desirable in the conduct of the business of the Company and its Subsidiaries as a whole. 
 SECTION 1005. Payment of Taxes and Other Claims. The Company shall pay or discharge or cause to be paid or discharged, before the same shall become delinquent, all taxes, assessments and governmental charges
levied or imposed upon the Company or any Subsidiary or upon the income, profits or property of the Company or any Subsidiary; provided, however, that the Company shall not be required to pay or discharge or cause to be paid or
discharged any such tax, assessment or charge whose amount, applicability or validity is being contested in good faith by appropriate proceedings and for which appropriate reserves, if necessary (in the good faith judgment of management of the
Company) are being maintained in accordance with GAAP. Notwithstanding anything to the contrary contained in this Indenture, the Company and its Restricted Subsidiaries may, to the extent required to do so by law, deduct or withhold income or other
similar taxes imposed by the United States of America from principal or interest payments under this Indenture. 
 SECTION 1006.
Reserved. 
 SECTION 1007. Reserved. 
 SECTION 1008. Statement by Officers as to Default. 
 (a) The Company shall deliver to the Trustee
within 120 days after the end of each fiscal year, an Officers’ Certificate stating that a review of the activities of the Company and its Restricted Subsidiaries during the preceding fiscal year has been made under the supervision of the
signing Officers with a view to determining whether it has kept, observed, performed and fulfilled, and has caused each of its Restricted Subsidiaries to keep, observe, perform and fulfill its obligations under this Indenture and further stating, as
to each such Officer signing such certificate, that, to the best of his or her knowledge, the Company during such preceding fiscal year has kept, observed, performed and fulfilled, and has caused each of its Restricted Subsidiaries to keep, observe,
perform and fulfill each and every such covenant contained in this Indenture and no Default occurred during such year and at the date of such certificate there is no Default which has occurred and is continuing or, if such signers do know of such
Default that is continuing, the certificate shall specify such Default and that, to the best of his or her knowledge, no event has occurred and remains by reason of which payments on the account of the principal of or interest, if any, on the Notes
is prohibited or if such event has occurred, a description of the event. The Officers’ Certificate shall also notify the Trustee should the Company elect to change the manner in which it fixes its fiscal year-end. For purposes of this
Section 1008(a), such compliance shall be determined without regard to any period of grace or requirement of notice under this Indenture. 
  

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 (b) (1) When any Default has occurred and is continuing under this Indenture, or (2) if the trustee
for or the holder of any other evidence of Indebtedness of the Company or any Restricted Subsidiary gives any notice or takes any other action with respect to a claimed Default (other than with respect to Indebtedness in the principal amount of less
than $40,000,000), the Company shall deliver to the Trustee by registered or certified mail or facsimile transmission an Officers’ Certificate specifying such event, notice or other action within five Business Days of its occurrence (with
respect to clause (1)) or such notice or other action (with respect to clause (2)). 
 SECTION 1009. Reports and Other
Information. 
 (a) Whether or not required by the SEC, so long as any Notes are outstanding, the Company shall furnish to the Holders,
within the time periods specified in the SEC’s rules and regulations (as in effect on December 19, 2006) for non-accelerated filers: 
 (1) all quarterly and annual financial information that would be required to be contained in a filing by a non-accelerated filer with the SEC on Forms 10-Q and 10-K (or any successor or comparable forms) if the
Company were required to file such forms, including a “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and, with respect to the annual information only, a report on the annual financial
statements by the Company’s certified independent accountants; and 
 (2) all current reports that would be required to
be filed with the SEC on Form 8-K if the Company were required to file such reports. 
 In addition, whether or not required by the SEC, the
Company shall file a copy of all of the information and reports referred to in clauses (1) and (2) above with the SEC for public availability within the time periods specified in the SEC’s rules and regulations (unless the SEC shall
not accept such a filing) and make such information available to securities analysts and prospective investors upon request. The Company will be deemed to have furnished the Holders the reports referred to in Section 1009(a)(1) and (2) if
the Company has either (i) filed such reports with the SEC (and such reports are publicly available) or (ii) posted such reports on the Company Website and issued a press release in respect thereof. For purposes of this Section 1009,
the term “Company Website” means the collection of web pages that may be accessed on the World Wide Web using the URL address http://www.aleris.com or such other address as the Company may from time to time designate in writing to the
Trustee. In addition, the Company has agreed that, for so long as any Notes remain outstanding, it shall furnish to Holders and to securities analysts and prospective investors, upon their request, the information required to be delivered pursuant
to Rule 144A(d)(4) under the Securities Act. 
 (b) In addition, if at any time any direct or indirect parent company of the Company becomes
a guarantor of the Notes (there being no obligation of such parent to do so), the reports, information and other documents required to be filed and furnished to the Holders pursuant to this Section 1009 may, at the option of the Company, be
filed by and be those of such parent rather than the Company; provided that the same is accompanied by consolidating information that explains in reasonable detail the differences between the information relating to such parent, on the one
hand, and the information relating to the Company and its Restricted Subsidiaries on a standalone basis, on the other hand. 
 (c)
Notwithstanding the foregoing, the requirements of this Section 1009 shall be deemed satisfied prior to the commencement of the Exchange Offer or the effectiveness of the Shelf Registration Statement by the filing with the SEC of the Exchange
Offer Registration Statement or Shelf Registration Statement, and any amendments thereto, with such financial information that satisfies Regulation S-X of the Securities Act. 
 (d) Notwithstanding anything herein to the contrary, the Company shall not be deemed to have failed to comply with any of its obligations under this
Section 1009 for the purposes of Section 501(3) until 120 days after the date any report hereunder is due. 
  

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 SECTION 1010. Limitation on Restricted Payments. (a) The Company shall not, and shall not
permit any Restricted Subsidiary to, directly or indirectly: 
 (1) declare or pay any dividend or make any distribution on
account of the Company’s or any Restricted Subsidiary’s Equity Interests, including any dividend or distribution payable in connection with any merger or consolidation other than: 
 (A) dividends or distributions by the Company payable in Equity Interests (other than Disqualified Stock) of the Company or in options,
warrants or other rights to purchase such Equity Interests (other than Disqualified Stock); or 
 (B) dividends or
distributions by a Restricted Subsidiary so long as, in the case of any dividend or distribution payable on or in respect of any class or series of securities issued by a Restricted Subsidiary other than a Wholly Owned Subsidiary, the Company or a
Restricted Subsidiary receives at least its pro rata share of such dividend or distribution in accordance with its Equity Interests in such class or series of securities; 
 (2) purchase, redeem, defease or otherwise acquire or retire for value any Equity Interests of the Company or any direct or indirect
parent of the Company, including in connection with any merger or consolidation; 
 (3) make any principal payment on, or
redeem, repurchase, defease or otherwise acquire or retire for value in each case, prior to any scheduled repayment, sinking fund payment or maturity, any Subordinated Indebtedness, other than: 
 (x) Indebtedness permitted under Sections 1011(b)(9) and (10) of this Indenture; or 
 (y) the purchase, repurchase or other acquisition of Subordinated Indebtedness purchased in anticipation of satisfying a sinking fund
obligation, principal installment or final maturity, in each case due within one year of the date of purchase, repurchase or acquisition; or 
 (4) make any Restricted Investment 
 (all such payments and other actions set forth in clauses (1) through
(4) above being collectively referred to as “Restricted Payments”), unless, at the time of such Restricted Payment: 
 (A) no Default shall have occurred and be continuing or would occur as a consequence thereof; 
 (B) immediately after giving effect to such transaction on a pro forma basis, the Company could incur $1.00 of additional Indebtedness under Section 1011(a) of this Indenture; and 
 (C) such Restricted Payment, together with the aggregate amount of all other Restricted Payments made by the Company and the Restricted
Subsidiaries after December 19, 2006 pursuant to this Section 1010(a) or clauses (1), (2) (with respect to the payment of dividends on Refunding Capital Stock pursuant to clause (b) thereof only), (6)(C), (8) and
(12) of Section 1010(b) (and excluding, for the avoidance of doubt, all other Restricted Payments made pursuant to Section 1010(b)), is less than the sum, without duplication, of: 
 (1) 50% of the Consolidated Net Income of the Company for the period (taken as one accounting period) from October 1, 2006 to the end
of the Company’s most recently ended fiscal quarter for which internal financial statements are available at the time of such Restricted Payment, or, in the case such Consolidated Net Income for such period is a deficit, minus 100% of
such deficit, plus 
 (2) 100% of the aggregate net cash proceeds and the fair market value, as determined in good
faith by the Company, of marketable securities or other property received by the Company after December 19, 2006 (less the amount of such net cash proceeds to the extent such 

  

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amount has been relied upon to permit the incurrence of Indebtedness, or issuance of Disqualified Stock or Preferred Stock pursuant to
Section 1011(b)(22)(ii) of this Indenture from the issue or sale of: 
 (x) (i) Equity Interests of the Company,
including Retired Capital Stock (as defined below), but excluding cash proceeds and the fair market value, as determined in good faith by the Company, of marketable securities or other property received from the sale of: 
 (A) Equity Interests to any future, present or former employees, directors, managers or consultants of the Company, any direct or
indirect parent company of the Company or any of the Company’s Subsidiaries after December 19, 2006 to the extent such amounts have been applied to Restricted Payments made in accordance with Section 1010(b)(4); and 
 (B) Designated Preferred Stock; and 
 (ii) to the extent actually contributed to the Company, Equity Interests of the Company’s direct or indirect parent companies (excluding contributions of the proceeds from the sale of Designated Preferred Stock of such companies
or contributions to the extent such amounts have been applied to Restricted Payments made in accordance with Section 1010(b)(4)); or 
 (y) debt securities of the Company that have been converted into or exchanged for such Equity Interests of the Company; 
 provided that this clause (2) shall not include the proceeds from (a) Refunding Capital Stock, (b) Equity Interests of the Company or debt securities of the Company that have been converted into
or exchanged for Equity Interests of the Company sold to a Restricted Subsidiary or the Company, as the case may be, (c) Disqualified Stock or debt securities that have been converted into or exchanged for Disqualified Stock or
(d) Excluded Contributions, plus 
 (3) 100% of the aggregate amount of cash and the fair market value, as
determined in good faith by the Company, of marketable securities or other property contributed to the capital of the Company after December 19, 2006 (less the amount of such net cash proceeds to the extent such amount has been relied
upon to permit the incurrence of Indebtedness or issuance of Disqualified Stock or Preferred Stock pursuant to Section 1011(b)(22)(ii) (other than by a Restricted Subsidiary and other than by any Excluded Contributions), plus 

(4) to the extent not already included in Consolidated Net Income, 100% of the aggregate amount received in cash and the fair market
value, as determined in good faith by the Company, of marketable securities or other property received after December 19, 2006 by means of 
 (A) the sale or other disposition (other than to the Company or a Restricted Subsidiary) of Restricted Investments made by the Company or any Restricted Subsidiary and repurchases and redemptions of such Restricted
Investments from the Company or any Restricted Subsidiary and repayments to the Company or a Restricted Subsidiary of loans or advances that constitute Restricted Investments; or 
 (B) the sale (other than to the Company or a Restricted Subsidiary) of the Capital Stock of an Unrestricted Subsidiary or a distribution
from an Unrestricted Subsidiary (other than in each case to the extent the Investment in such Unrestricted Subsidiary was made by the Company or a Restricted Subsidiary pursuant to Section 1010(b)(9) or (13) or to the extent such
Investment constituted a Permitted Investment) or a dividend from an Unrestricted Subsidiary, plus 
  

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 (5) in the case of the redesignation of an Unrestricted Subsidiary as a Restricted
Subsidiary after December 19, 2006, the fair market value of the Investment in such Unrestricted Subsidiary, as determined by the Company in good faith or if, in the case of an Unrestricted Subsidiary, such fair market value may exceed $100
million, in writing by an Independent Financial Advisor, at the time of the redesignation of such Unrestricted Subsidiary as a Restricted Subsidiary, other than an Unrestricted Subsidiary to the extent the Investment in such Unrestricted Subsidiary
was made by the Company or a Restricted Subsidiary pursuant to Section 1010(b)(9) or (13) or to the extent such Investment constituted a Permitted Investment. 
 (b) The foregoing provisions shall not prohibit: 
 (1) the payment of any dividend or
distribution within 60 days after the date of declaration thereof, if at the date of declaration such payment would have complied with the provisions of this Indenture; 
 (2) (a) the redemption, repurchase, retirement or other acquisition of any Equity Interests (“Retired Capital Stock”) or
Subordinated Indebtedness of the Company or any Equity Interests of any direct or indirect parent company of the Company, in exchange for, or out of the proceeds of the substantially concurrent sale (other than to a Restricted Subsidiary) of, Equity
Interests of the Company (in each case, other than any Disqualified Stock) (“Refunding Capital Stock”) and (b) if immediately prior to the retirement of Retired Capital Stock, the declaration and payment of dividends thereon
was permitted under clause (6) of this Section 1010(b), the declaration and payment of dividends on the Refunding Capital Stock (other than Refunding Capital Stock the proceeds of which were used to redeem, repurchase, retire or otherwise
acquire any Equity Interests of any direct or indirect parent company of the Company) in an aggregate amount per year no greater than the aggregate amount of dividends per annum that was declarable and payable on such Retired Capital Stock
immediately prior to such retirement; 
 (3) the defeasance, redemption, repurchase or other acquisition or retirement of
(a) Subordinated Indebtedness of the Company or a Restricted Subsidiary made by exchange for, or out of the proceeds of the substantially concurrent sale of, new Indebtedness of such Person or (b) Disqualified Stock of the Company or a
Restricted Subsidiary made by exchange for, or out of the proceeds of the substantially concurrent sale of, Disqualified Stock of such Person that, in each case, is incurred in compliance with Section 1011 of this Indenture so long as:

 (A) the principal amount of such new Indebtedness or liquidation preference of such new Disqualified Stock does not exceed
the principal amount (or accreted value, if applicable) of the Subordinated Indebtedness or the liquidation preference of the Disqualified Stock being so defeased, redeemed, repurchased, acquired or retired for value, plus the amount of any
reasonable premium required to be paid under the terms of the instrument governing the Subordinated Indebtedness or Disqualified Stock being so defeased, redeemed, repurchased, acquired or retired and any reasonable fees and expenses incurred in
connection with the issuance of such new Indebtedness or Disqualified Stock; 
 (B) such Indebtedness is subordinated to the
Notes at least to the same extent as such Subordinated Indebtedness so defeased, redeemed, repurchased, acquired or retired; 
 (C) such Indebtedness or Disqualified Stock has a final scheduled maturity date equal to or later than the final scheduled maturity date of the Subordinated Indebtedness or Disqualified Stock being so defeased, redeemed, repurchased,
acquired or retired; and 
  

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 (D) such Indebtedness or Disqualified Stock has a Weighted Average Life to Maturity equal
to or greater than the remaining Weighted Average Life to Maturity of the Subordinated Indebtedness or Disqualified Stock being so defeased, redeemed, repurchased, acquired or retired; 
 (4) a Restricted Payment to pay for the repurchase, retirement or other acquisition or retirement for value of Equity Interests (other
than Disqualified Stock) of the Company or any of its direct or indirect parent companies held by any future, present or former employee, director, manager or consultant of the Company, any of its Subsidiaries or any of its direct or indirect parent
companies pursuant to any management equity plan or stock option plan or any other management or employee benefit plan or agreement; provided that the aggregate Restricted Payments made under this clause (4) do not exceed in any calendar
year $15.0 million (with unused amounts in any calendar year being carried over to succeeding calendar years subject to a maximum (without giving effect to the following proviso) of $30.0 million in any calendar year); provided,
further, that such amount in any calendar year may be increased by an amount not to exceed 
 (A) the cash proceeds from
the sale of Equity Interests (other than Disqualified Stock) of the Company and, to the extent contributed to the Company, Equity Interests of any of the Company’s direct or indirect parent companies, in each case to members of management,
directors, managers or consultants of the Company, any of its Subsidiaries or any of its direct or indirect parent companies that occurs after December 19, 2006, to the extent the cash proceeds from the sale of such Equity Interests have not
otherwise been applied to the payment of Restricted Payments by virtue of clause (C) of Section 1010(a), plus 
 (B) the cash proceeds of key man life insurance policies received by the Company and the Restricted Subsidiaries after December 19, 2006, less 
 (C) the amount of any Restricted Payments previously made pursuant to clauses (A) and (B) of this clause (4); 
 and provided, further, that cancellation of Indebtedness owing to the Company from members of management, directors, managers or consultants
of the Company, any of its direct or indirect parent companies or any Restricted Subsidiary in connection with a repurchase of Equity Interests of the Company or any of its direct or indirect parent companies shall not be deemed to constitute a
Restricted Payment for purposes of this Section 1010(b) or any other provision of this Indenture; 
 (5) the declaration
and payment of dividends to holders of any class or series of Disqualified Stock of the Company or any Restricted Subsidiary issued in accordance with Section 1011 to the extent such dividends are included in the definition of “Fixed
Charges”; 
 (6) (A) the declaration and payment of dividends to holders of any class or series of Designated Preferred
Stock (other than Disqualified Stock) issued by the Company after December 19, 2006; 
 (B) the declaration and payment
of dividends to a direct or indirect parent company of the Company, the proceeds of which shall be used to fund the payment of dividends to holders of any class or series of Designated Preferred Stock (other than Disqualified Stock) of such parent
company issued after December 19, 2006; provided that the amount of dividends paid pursuant to this clause (B) shall not exceed the aggregate amount of cash actually contributed to the Company from the sale of such Designated
Preferred Stock; or 
 (C) the declaration and payment of dividends on Refunding Capital Stock that is Preferred Stock in
excess of the dividends declarable and payable thereon pursuant to clause (2) of this Section 1010(b); 
  

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provided, however, in the case of each of (A), (B) and (C) of this clause (6), that for the most recently ended four full fiscal
quarters for which internal financial statements are available immediately preceding the date of issuance of such Designated Preferred Stock or the declaration of such dividends on Refunding Capital Stock that is Preferred Stock, after giving effect
to such issuance or declaration on a pro forma basis, the Company and the Restricted Subsidiaries on a consolidated basis would have had a Fixed Charge Coverage Ratio of at least 2.00 to 1.00; 
 (7) repurchases of Equity Interests deemed to occur upon exercise of stock options or warrants if such Equity Interests represent a
portion of the exercise price of such options or warrants; 
 (8) the declaration and payment of dividends on the
Company’s common stock following the first public offering of the Company’s common stock or the common stock of any of its direct or indirect parent companies after December 19, 2006, of up to 6% per annum of the net proceeds
received by or contributed to the Company in or from any such public offering, other than public offerings with respect to the Company’s common stock registered on Form S-4 or Form S-8 and other than any public sale constituting an Excluded
Contribution; 
 (9) Restricted Payments that are made with Excluded Contributions; 
 (10) the declaration and payment of dividends by the Company to, or the making of loans to, its direct parent company in amounts required
for the Company’s direct or indirect parent companies to pay: 
 (A) franchise taxes and other fees, taxes and expenses
required to maintain their corporate existence; 
 (B) Federal, state and local income taxes, to the extent such income taxes
are attributable to the income of the Company and the Restricted Subsidiaries and, to the extent of the amount actually received from its Unrestricted Subsidiaries, in amounts required to pay such taxes to the extent attributable to the income of
such Unrestricted Subsidiaries; 
 (C) customary salary, bonus and other benefits payable to officers and employees of any
direct or indirect parent company of the Company to the extent such salaries, bonuses and other benefits are attributable to the ownership or operation of the Company and the Restricted Subsidiaries; 
 (D) general corporate overhead expenses of any direct or indirect parent company of the Company to the extent such expenses are
attributable to the ownership or operation of the Company and the Restricted Subsidiaries; and 
 (E) reasonable fees and
expenses incurred in connection with any unsuccessful debt or equity offering by such direct or indirect parent company of the Company; 
 (11) any Restricted Payments used to fund the Transactions and the fees and expenses related thereto, including those owed to Affiliates, in each case to the extent permitted by Section 1013; 
 (12) the repurchase, redemption or other acquisition or retirement for value of any Subordinated Indebtedness in connection with events
similar to those described under Section 1017 and Section 1018 of this Indenture; provided that, prior to such repurchase, redemption or other acquisition, the Company (or a third party to the extent permitted by this Indenture)
shall have made a Change of Control Offer or Asset Sale Offer, as the case may be, with respect to the Notes and shall have repurchased all Notes validly tendered and not withdrawn in connection with such Change of Control Offer or Asset Sale Offer;

 (13) Investments in Unrestricted Subsidiaries, having an aggregate fair market value, taken together with all other
Investments made pursuant to this clause (13) that are at the time outstanding, without 

  

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giving effect to the sale of an Unrestricted Subsidiary to the extent the proceeds of such sale do not consist of cash or marketable securities, not to
exceed the greater of (x) $50.0 million and (y) 1.5% of Total Assets at the time of such Investment (with the fair market value of each Investment being measured at the time such Investment is made and without giving effect to subsequent
changes in value); 
 (14) distributions or payments of Receivables Fees; 
 (15) the distribution, as a dividend or otherwise (and the declaration of such dividend), of shares of Capital Stock of, or Indebtedness
owed to the Company or a Restricted Subsidiary by, any Unrestricted Subsidiary; and 
 (16) other Restricted Payments in an
amount which, when taken together with all other Restricted Payments made pursuant to this clause (16), does not exceed the greater of (x) $100.0 million and (y) 3.0% of Total Assets; 
 provided, however, that at the time of, and after giving effect to, any Restricted Payment permitted under clauses (15) and (16) of this
Section 1010(b) no Default shall have occurred and be continuing or would occur as a consequence thereof. 
 (c) As of the time of
issuance of the Notes, all of the Company’s Subsidiaries shall be Restricted Subsidiaries. The Company shall not permit any Unrestricted Subsidiary to become a Restricted Subsidiary except pursuant to the penultimate paragraph of the definition
of “Unrestricted Subsidiary.” For purposes of designating any Restricted Subsidiary as an Unrestricted Subsidiary, all outstanding Investments by the Company and the Restricted Subsidiaries (except to the extent repaid) in the Subsidiary
so designated shall be deemed to be Restricted Payments in an amount determined as set forth in the last sentence of the definition of “Investments.” Such designation shall be permitted only if a Restricted Payment in such amount would be
permitted at such time, whether pursuant to Section 1010(a) or under clauses (9), (13) or (16) of this Section 1010(b), or pursuant to the definition of “Permitted Investments,” and if such Subsidiary otherwise meets
the definition of an Unrestricted Subsidiary. Unrestricted Subsidiaries shall not be subject to any of the restrictive covenants set forth in this Indenture. 
 SECTION 1011. Limitation on Incurrence of Indebtedness and Issuance of Disqualified Stock and Preferred Stock. (a) The Company shall not, and shall not permit any Restricted Subsidiary to, directly or
indirectly, create, incur, issue, assume, guarantee or otherwise become directly or indirectly liable, contingently or otherwise (collectively, “incur” and collectively, an “incurrence”) with respect to any
Indebtedness (including Acquired Indebtedness), and the Company shall not issue any shares of Disqualified Stock and shall not permit any Restricted Subsidiary to issue any shares of Disqualified Stock or Preferred Stock; provided that the
Company may incur Indebtedness (including Acquired Indebtedness) or issue shares of Disqualified Stock, and any Restricted Subsidiary may incur Indebtedness (including Acquired Indebtedness), issue shares of Disqualified Stock or issue shares of
Preferred Stock, if the Fixed Charge Coverage Ratio on a consolidated basis for the Company’s and its Restricted Subsidiaries’ most recently ended four full fiscal quarters for which internal financial statements are available immediately
preceding the date on which such additional Indebtedness is incurred or such Disqualified Stock or Preferred Stock is issued would have been at least 2.00 to 1.00, determined on a pro forma basis (including a pro forma application of
the net proceeds therefrom), as if the additional Indebtedness had been incurred, or the Disqualified Stock or Preferred Stock had been issued, as the case may be, and the application of the proceeds therefrom had occurred at the beginning of such
four-quarter period; provided that the amount of Indebtedness (including Acquired Indebtedness), Disqualified Stock and Preferred Stock that may be incurred or issued, as applicable, pursuant to the foregoing by Restricted Subsidiaries that
are not Subsidiary Guarantors shall not exceed $125 million at any one time outstanding. 
 (b) The foregoing limitations shall not apply to
any of the following items (collectively, “Permitted Debt”): 
 (1) Indebtedness incurred pursuant to the ABL
Credit Agreement by the Company or any Restricted Subsidiary; provided that immediately after giving effect to any such incurrence, the aggregate principal amount of all Indebtedness incurred under this clause (1) and then outstanding
does not exceed $50.0 million plus the greater of (A) $850.0 million and (B) the sum of (i) 85.0% of the net book value of 

  

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accounts receivable of the Company and its Restricted Subsidiaries and (ii) the lesser of (x) 75.0% of the net book value or (y) 85.0% of the
net orderly liquidation value of inventory of the Company and its Restricted Subsidiaries; 
 (2) Indebtedness incurred
pursuant to the Term Credit Agreement by the Company or any Restricted Subsidiary; provided that after giving effect to any such incurrence, the aggregate principal amount of all Indebtedness incurred under this clause (2) and then
outstanding does not exceed $1,225.0 million less up to $150.0 million in the aggregate of all principal payments with respect to such Indebtedness made pursuant to Section 1018(b)(1)(x) of this Indenture; 
 (3) the incurrence by the Company and any Subsidiary Guarantor of Indebtedness represented by (A) the Notes issued on the Issue Date
and the Subsidiary Guarantees thereof and the Exchange Notes and related exchange guarantees to be issued in exchange for the Notes and the Subsidiary Guarantees pursuant to the Registration Rights Agreement (other than any Additional Notes) and
(B) the Senior PIK Notes issued on December 19, 2006 and the Subsidiary Guarantees thereof and the Exchange Notes and related exchange guarantees to be issued in exchange for the Senior PIK Notes and the Subsidiary Guarantees pursuant to
the December 2006 Registration Rights Agreement (other than any Additional Notes (for the purposes of this clause (3)(B), Subsidiary Guarantees, Exchange Notes and Additional Notes have the meanings as defined in the Senior PIK Indenture));

 (4) the incurrence by the Company and any Subsidiary Guarantor of Indebtedness represented by the Senior Subordinated Notes
issued on December 19, 2006 (and the guarantees thereof and the Exchange Notes and related exchange guarantees to be issued in exchange for the Senior Subordinated Notes pursuant to the December 2006 Registration Rights Agreement (other than
any Additional Senior Subordinated Notes (as defined in the Senior Subordinated Indenture)); 
 (5) Indebtedness existing on
December 19, 2006 (other than Indebtedness described in clauses (1), (2), (3) and (4) of this Section 1011(b)); 
 (6) Indebtedness (including Capitalized Lease Obligations), Disqualified Stock and Preferred Stock incurred by the Company or any of the Restricted Subsidiaries, to finance the development, construction, purchase, lease (other than the
lease, pursuant to Sale and Lease-Back Transactions, of property (real or personal), equipment or other fixed or capital assets owned by the Company or any Restricted Subsidiary as of December 19, 2006 or acquired by the Company or any
Restricted Subsidiary after December 19, 2006 in exchange for, or with the proceeds of the sale of, such assets owned by the Company or any Restricted Subsidiary as of December 19, 2006), repairs, additions or improvement of property (real
or personal), equipment or other fixed or capital assets that are used or useful in a Similar Business, whether through the direct purchase of assets or the Capital Stock of any Person owning such assets and any Refinancing Indebtedness incurred to
refund, replace or refinance any Indebtedness, Disqualified Stock and Preferred Stock incurred pursuant to this clause (6); provided that the aggregate amount of Indebtedness, Disqualified Stock and Preferred Stock incurred pursuant to this
clause (6) (including any such Refinancing Indebtedness) does not exceed the greater of (x) $175.0 million and (y) 5.5% of Total Assets at any one time outstanding; 
 (7) Indebtedness incurred by the Company or any Restricted Subsidiary constituting reimbursement obligations with respect to letters of
credit issued in the ordinary course of business, including letters of credit in respect of workers’ compensation claims, or other Indebtedness with respect to reimbursement type obligations regarding workers’ compensation claims;
provided that upon the drawing of such letters of credit or the incurrence of such Indebtedness, such obligations are reimbursed within 30 days following such drawing or incurrence; 
 (8) Indebtedness arising from agreements of the Company or a Restricted Subsidiary providing for indemnification, adjustment of purchase
price or similar obligations, in each case, incurred or assumed in connection with the disposition of any business, assets or a Subsidiary, other than guarantees of Indebtedness incurred by any Person acquiring all or any portion of such business,
assets or Subsidiary for the purpose of financing such acquisition; provided that 
  

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 (A) such Indebtedness is not reflected on the balance sheet of the Company or any
Restricted Subsidiary (contingent obligations referred to in a footnote to financial statements and not otherwise reflected on the balance sheet shall not be deemed to be reflected on such balance sheet for purposes of this clause (8)(A)); and

 (B) the maximum assumable liability in respect of all such Indebtedness shall at no time exceed the gross proceeds
including noncash proceeds (the fair market value of such noncash proceeds being measured at the time received and without giving effect to any subsequent changes in value) actually received by the Company and the Restricted Subsidiaries in
connection with such disposition; 
 (9) Indebtedness of the Company to a Restricted Subsidiary; provided that any such
Indebtedness owing to a Restricted Subsidiary that is not a Subsidiary Guarantor is subordinated in right of payment to the Notes; provided, further, that any subsequent issuance or transfer of any Capital Stock or any other event
which results in any such Restricted Subsidiary ceasing to be a Restricted Subsidiary or any other subsequent transfer of any such Indebtedness (except to the Company or another Restricted Subsidiary) shall be deemed, in each case, to be an
incurrence of such Indebtedness; 
 (10) Indebtedness of a Restricted Subsidiary to the Company or another Restricted
Subsidiary; provided that if a Subsidiary Guarantor incurs such Indebtedness to a Restricted Subsidiary that is not a Subsidiary Guarantor such Indebtedness is subordinated in right of payment to the Subsidiary Guarantee of such Subsidiary
Guarantor; provided, further, that any subsequent issuance or transfer of Capital Stock or any other event that results in any such Restricted Subsidiary ceasing to be a Restricted Subsidiary or any subsequent transfer of any such
Indebtedness (except to the Company or another Restricted Subsidiary) shall be deemed, in each case, to be an incurrence of such Indebtedness; 
 (11) shares of Preferred Stock of a Restricted Subsidiary issued to the Company or another Restricted Subsidiary; provided that any subsequent issuance or transfer of any Capital Stock or any other event which
results in any such Restricted Subsidiary ceasing to be a Restricted Subsidiary or any other subsequent transfer of any such shares of Preferred Stock (except to the Company or another Restricted Subsidiary) shall be deemed, in each case, to be an
issuance of such shares of Preferred Stock; 
 (12) Hedging Obligations (excluding Hedging Obligations entered into for
speculative purposes) for the purpose of limiting: (A) interest rate risk with respect to any Indebtedness that is permitted by the terms of this Indenture to be outstanding, (B) exchange rate risk with respect to any currency exchange or
(C) commodity pricing risk with respect to any commodity; 
 (13) obligations in respect of self-insurance and
obligations in respect of performance, bid, appeal and surety bonds and completion guarantees and similar obligations provided by the Company or any Restricted Subsidiary in the ordinary course of business; 
 (14) (x) any guarantee by the Company or a Restricted Subsidiary of Indebtedness or other Obligations of any Restricted Subsidiary, so
long as the incurrence of such Indebtedness by such Restricted Subsidiary is permitted under the terms of this Indenture or (y) any guarantee by a Restricted Subsidiary of Indebtedness of the Company permitted to be incurred under the terms of
this Indenture; provided that such guarantee is incurred in accordance with Section 1015 of this Indenture; 
 (15) the incurrence by the Company or any Restricted Subsidiary of Indebtedness, Disqualified Stock or Preferred Stock that serves to extend, replace, refund, refinance, renew or defease any Indebtedness, Disqualified Stock or Preferred
Stock incurred as permitted under Section 1011(a) and clauses (3), (4) and (5) above, this clause (15) and clauses (16) and (22)(ii) below of this Section 1011(b) or any Indebtedness, Disqualified Stock or
Preferred Stock issued to so extend, replace, refund, refinance, renew or defease such Indebtedness, Disqualified Stock or Preferred Stock including additional Indebtedness, Disqualified Stock or Preferred Stock incurred to pay premiums and fees in
connection therewith (the “Refinancing Indebtedness”) prior to its respective maturity; provided, however, that such Refinancing Indebtedness: 
 (A) has a Weighted Average Life to Maturity at the time such Refinancing Indebtedness is incurred which is not less than the remaining
Weighted Average Life to Maturity of the Indebtedness, Disqualified Stock or Preferred Stock being extended, replaced, refunded, refinanced, renewed or defeased; 
  

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 (B) to the extent such Refinancing Indebtedness extends, replaces, refunds, refinances,
renews or defeases (i) Indebtedness subordinated to the Notes or any Subsidiary Guarantee, such Refinancing Indebtedness is subordinated to the Notes or such Subsidiary Guarantee at least to the same extent as the Indebtedness being extended,
replaced, refunded, refinanced, renewed or defeased or (ii) Disqualified Stock or Preferred Stock, such Refinancing Indebtedness must be Disqualified Stock or Preferred Stock, respectively; and 
 (C) shall not include: 
 (x) Indebtedness, Disqualified Stock or Preferred Stock of a Subsidiary that is not a Subsidiary Guarantor that refinances Indebtedness, Disqualified Stock or Preferred Stock of the Company; 
 (y) Indebtedness, Disqualified Stock or Preferred Stock of a Subsidiary that is not a Subsidiary Guarantor that refinances Indebtedness,
Disqualified Stock or Preferred Stock of a Subsidiary Guarantor; or 
 (z) Indebtedness, Disqualified Stock or Preferred
Stock of the Company or a Restricted Subsidiary that refinances Indebtedness, Disqualified Stock or Preferred Stock of an Unrestricted Subsidiary; 
 (16) Indebtedness, Disqualified Stock or Preferred Stock (x) of the Company or any of its Restricted Subsidiaries incurred to finance the acquisition of any Person or assets or (y) of Persons that are
acquired by the Company or any Restricted Subsidiary or merged into the Company or a Restricted Subsidiary in accordance with the terms of this Indenture; provided that either (A) after giving effect to such acquisition or merger,
either: 
 (i) the Company would be permitted to incur at least $1.00 of additional Indebtedness pursuant to the Fixed Charge
Coverage Ratio test set forth in Section 1011(a); or 
 (ii) the Fixed Charge Coverage Ratio of the Company and the
Restricted Subsidiaries on a consolidated basis is greater than immediately prior to such acquisition or merger; or 
 (B) such Indebtedness,
Disqualified Stock or Preferred Stock (i) is not Secured Indebtedness and is Subordinated Indebtedness with subordination terms no more favorable to the holders thereof than the subordination terms set forth in the Senior Subordinated Indenture
as in effect on December 19, 2006, (ii) is not incurred while a Default exists and no Default shall result therefrom, (iii) does not mature (and is not mandatorily redeemable in the case of Disqualified Stock or Preferred Stock) and
does not require any payment of principal prior to the final maturity of the Notes, (iv) is incurred by the Company or a Subsidiary Guarantor and (v) in the case of sub-clause (y) above only, is not incurred in contemplation of such
acquisition or merger; 
 (17) Indebtedness arising from the honoring by a bank or other financial institution of a check,
draft or similar instrument drawn against insufficient funds in the ordinary course of business; provided that such Indebtedness is extinguished within five Business Days of its incurrence; 
 (18) Indebtedness of the Company or any Restricted Subsidiary supported by a letter of credit issued pursuant to the Senior Credit
Facilities, in a principal amount not in excess of the stated amount of such letter of credit; 
  

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 (19) Indebtedness, Disqualified Stock or Preferred Stock of a Restricted Subsidiary
incurred to finance or assumed in connection with an acquisition and any Refinancing Indebtedness incurred to refund, replace or refinance any Indebtedness, Disqualified Stock and Preferred Stock incurred pursuant to this clause (19) which,
when aggregated with the principal amount of all other Indebtedness, Disqualified Stock and Preferred Stock incurred pursuant to this clause (19) and then outstanding (including any such Refinancing Indebtedness) does not exceed
$50.0 million (it being understood that any Indebtedness, Disqualified Stock and Preferred Stock incurred pursuant to this clause (19) shall cease to be deemed incurred or outstanding for purposes of this clause (19) but shall be
deemed incurred pursuant to Section 1011(a) from and after the first date on which the Company or such Restricted Subsidiary could have incurred such Indebtedness, Disqualified Stock or Preferred Stock pursuant to Section 1011(a) without
reliance on this clause (19)); 
 (20) Indebtedness incurred by a Foreign Subsidiary which, when aggregated with the principal
amount of all other Indebtedness incurred pursuant to this clause (20) and then outstanding, does not exceed the greater of (x) $75.0 million and (y) 4.0% of Foreign Subsidiary Total Assets (it being understood that any Indebtedness,
Disqualified Stock and Preferred Stock incurred pursuant to this clause (20) shall cease to be deemed incurred or outstanding for purposes of this clause (20) but shall be deemed incurred pursuant to Section 1011(a) from and after the
first date on which the Company or such Restricted Subsidiary could have incurred such Indebtedness, Disqualified Stock or Preferred Stock pursuant to Section 1011(a) without reliance on this clause (20)); 
 (21) Indebtedness issued by the Company or any Restricted Subsidiary to current or former employees, directors, managers and consultants
thereof, their respective estates, spouses or former spouses, in each case to finance the purchase or redemption of Equity Interests of the Company or any direct or indirect parent company of the Company to the extent described in
Section 1010(b)(4) of this Indenture); 
 (22) Indebtedness, Disqualified Stock and Preferred Stock of the Company or any
Restricted Subsidiary not otherwise permitted hereunder in an aggregate principal amount or liquidation preference, which, when aggregated with the principal amount and liquidation preference of all other Indebtedness, Disqualified Stock and
Preferred Stock incurred pursuant to this clause (22) and then outstanding, does not at any one time outstanding exceed the sum of: 
 (i) $150.0 million (it being understood that any Indebtedness, Disqualified Stock and Preferred Stock incurred pursuant to this clause (22)(i) shall cease to be deemed incurred or outstanding for purposes of this
clause (22)(i) but shall be deemed incurred pursuant to Section 1011(a) from and after the first date on which the Company or such Restricted Subsidiary could have incurred such Indebtedness, Disqualified Stock or Preferred Stock pursuant
to Section 1011(a) without reliance on this clause (22)(i)); plus 
 (ii) 200% of the net cash proceeds received
by the Company since after December 19, 2006 from the issue or sale of Equity Interests of the Company or cash contributed to the capital of the Company (in each case, other than proceeds of Disqualified Stock or sales of Equity Interests to
the Company or any of its Subsidiaries) as determined in accordance with clauses (C)(2) and (C)(3) of Section 1010(a) of this Indenture to the extent such net cash proceeds or cash have not been applied pursuant to such clauses to make
Restricted Payments or to make other investments, payments or exchanges pursuant to Section 1010(b) of this Indenture or to make Permitted Investments (other than Permitted Investments specified in clauses (a) and (c) of the
definition thereof); and 
 (23) Attributable Debt incurred by the Company or any Restricted Subsidiary pursuant to Sale and
Lease-Back Transactions of property (real or personal), equipment or other fixed or capital assets owned by the Company or any Restricted Subsidiary as of December 19, 2006 or acquired by the Company or any Restricted Subsidiary after
December 19, 2006 in exchange for, or with the proceeds of the sale of, such assets owned by the Company or any Restricted Subsidiary as of December 19, 2006 and any Refinancing Indebtedness incurred to refund, replace or refinance any
Indebtedness, Disqualified Stock or Preferred Stock incurred pursuant to this clause (23), provided that the aggregate amount of Attributable Debt incurred under this clause (23) (including any such Refinancing Indebtedness) does not
exceed $50.0 million. 
  

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 (c) For purposes of determining compliance with this Section 1011, in the event that an item of
Indebtedness, Disqualified Stock or Preferred Stock meets the criteria of more than one of the categories of Permitted Debt described in clauses (1) through (23) of Section 1011(b) or is entitled to be incurred pursuant to
Section 1011(a), the Company, in its sole discretion, shall classify or reclassify, or later divide, classify or reclassify, such item of Indebtedness, Disqualified Stock or Preferred Stock (or any portion thereof) and shall only be required to
include the amount and type of such Indebtedness, Disqualified Stock or Preferred Stock in one or more of the above clauses; provided that all Indebtedness outstanding under the Senior Credit Facilities on the Issue Date shall be deemed to
have been incurred on such date in reliance on the exception in clauses (1) and (2) of Section 1011(b). 
 (d) The accrual of
interest, the accretion of accreted value and the payment of interest in the form of additional Indebtedness, Disqualified Stock or Preferred Stock shall not be deemed to be an incurrence of Indebtedness, Disqualified Stock or Preferred Stock for
purposes of this Section 1011. 
 (e) For purposes of determining compliance with any U.S. dollar-denominated restriction on the
incurrence of Indebtedness, the U.S. dollar-equivalent principal amount of Indebtedness denominated in a foreign currency shall be calculated based on the relevant currency exchange rate in effect on the date such Indebtedness was incurred, in the
case of term debt, or first committed or incurred (as determined by the Company), in the case of revolving credit debt; provided that if such Indebtedness is incurred to extend, replace, refund, refinance, renew or defease other Indebtedness
denominated in a foreign currency, and such extension, replacement, refunding, refinancing, renewal or defeasance would cause the applicable U.S. dollar-denominated restriction to be exceeded if calculated at the relevant currency exchange rate in
effect on the date of such extension, replacement, refunding, refinancing, renewal or defeasance, such U.S. dollar-denominated restriction shall be deemed not to have been exceeded so long as the principal amount of such refinancing Indebtedness
does not exceed the principal amount of such Indebtedness being extended, replaced, refunded, refinanced, renewed or defeased. 
 (f) The
principal amount of any Indebtedness incurred to extend, replace, refund, refinance, renew or defease other Indebtedness, if incurred in a different currency from the Indebtedness being extended, replaced, refunded, refinanced, renewed or defeased,
shall be calculated based on the currency exchange rate applicable to the currencies in which such respective Indebtedness is denominated that is in effect on the date of such extension, replacement, refunding, refinancing, renewal or defeasance.

 SECTION 1012. Liens. The Company shall not, and shall not permit any of the Subsidiary Guarantors to, directly or indirectly,
create, incur, assume or suffer to exist any Lien (except Permitted Liens) that secures obligations under any Indebtedness on any asset or property of the Company or any Subsidiary Guarantor now owned or hereafter acquired, or any income or profits
therefrom, or assign or convey any right to receive income therefrom, unless: 
 (1) in the case of Liens securing
Subordinated Indebtedness, the Notes or the applicable Subsidiary Guarantee of a Subsidiary Guarantor, as the case may be, are secured by a Lien on such property or assets that is senior in priority to such Liens; and 
 (2) in all other cases, the Notes or the applicable Subsidiary Guarantee of a Subsidiary Guarantor, as the case may be, are equally and
ratably secured; 
 provided that any Lien which is granted to secure the Notes under this Section 1012 shall be discharged at the same time as
the discharge of the Lien (other than through the exercise of remedies with respect thereto) that gave rise to the obligation to so secure the Notes. 
 SECTION 1013. Limitations on Transactions with Affiliates. (a) The Company shall not, and shall not permit any Restricted Subsidiary to, make any payment to, or sell, lease, transfer or otherwise dispose
of any of its properties or assets to, or purchase any property or assets from, or enter into or make or amend any transaction, contract, agreement, understanding, loan, advance or guarantee with, or for the benefit of, any Affiliate of the Company
(each of the foregoing, an “Affiliate Transaction”) involving aggregate payments or consideration in excess of $10.0 million, unless 
  

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 (1) such Affiliate Transaction is on terms that are not materially less favorable to the
Company or the relevant Restricted Subsidiary than those that would have been obtained in a comparable transaction by the Company or such Restricted Subsidiary with an unrelated Person and 
 (2) the Company delivers to the Trustee with respect to any Affiliate Transaction or series of related Affiliate Transactions involving
aggregate payments or consideration in excess of $30.0 million, a Board Resolution adopted by the majority of the members of the Board of Directors of the Company approving such Affiliate Transaction and set forth in an Officers’ Certificate
certifying that such Affiliate Transaction complies with clause (1) above. 
 (b) The foregoing provisions shall not apply to the
following: 
 (1) Transactions between or among the Company or any of the Restricted Subsidiaries; 
 (2) Restricted Payments permitted by Section 1010 of this Indenture and the definition of “Permitted Investments”;

 (3) the payment of management, consulting, monitoring and advisory fees and related expenses to the Sponsor and any
Co-Investors and any termination or other fee payable to the Sponsor or any Co-Investors upon a change of control or initial public equity offering of the Company or any direct or indirect parent company thereof pursuant to the Management Services
Agreement as in effect on December 19, 2006; 
 (4) the payment of reasonable and customary fees paid to, and indemnities
provided on behalf of, officers, directors, managers, employees or consultants of the Company, any of its direct or indirect parent companies or any Restricted Subsidiary; 
 (5) payments by the Company or any Restricted Subsidiary to the Sponsor or any Co-Investors for any financial advisory, financing,
underwriting or placement services or in respect of other investment banking activities, including in connection with acquisitions or divestitures, which payments are approved by a majority of the members of the Board of Directors of the Company in
good faith; 
 (6) transactions in which the Company or any Restricted Subsidiary, as the case may be, delivers to the Trustee
a letter from an Independent Financial Advisor stating that such transaction is fair to the Company or such Restricted Subsidiary from a financial point of view or meets the requirements of clause (1) of Section 1013(a); 
 (7) payments or loans (or cancellations of loans) to employees or consultants of the Company, any of its direct or indirect parent
companies or any Restricted Subsidiary and employment agreements, employee benefit plans, stock option plans and other compensatory or severance arrangements with such employees or consultants that are, in each case, approved by the Company in good
faith; 
 (8) any agreement, instrument or arrangement as in effect as of December 19, 2006, or any amendment thereto (so
long as any such amendment is not disadvantageous to the Holders in any material respect as compared to the applicable agreement as in effect on December 19, 2006 as reasonably determined by the Company in good faith); 
 (9) the existence of, or the performance by the Company or any of the Restricted Subsidiaries of its obligations under the terms of, any
stockholders agreement or its equivalent (including any registration rights agreement or purchase agreement related thereto) to which it is a party as of December 19, 2006 and any similar agreements which it may enter into thereafter;
provided, however that the existence of, or the performance by the Company or any Restricted Subsidiary of obligations under any future 

  

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amendment to any such existing agreement or under any similar agreement entered into after December 19, 2006 shall only be permitted by this clause
(9) to the extent that the terms of any such existing agreement together with all amendments thereto, taken as a whole, or new agreement are not otherwise more disadvantageous to the Holders in any material respect than the terms of the
original agreement in effect on December 19, 2006 as reasonably determined in good faith by the Company; 
 (10) the
Transactions and the payment of all fees and expenses related to the Transactions, in each case as disclosed in the December 2006 Offering Circular; 
 (11) transactions with customers, clients, suppliers, or purchasers or sellers of goods or services, in each case in the ordinary course of business and otherwise in compliance with the terms of this Indenture that
are fair to the Company and the Restricted Subsidiaries, in the reasonable determination of the Board of Directors or the senior management of the Company, or are on terms at least as favorable as might reasonably have been obtained at such time
from an unaffiliated party; 
 (12) the issuance of Equity Interests (other than Disqualified Stock) of the Company to any
Permitted Holder or to any director, manager, officer, employee or consultant of the Company or any direct or indirect parent company thereof; 
 (13) sales of accounts receivable, or participations therein, in connection with any Receivables Facility; and 
 (14) investments by the Sponsor and the Co-Investors in securities of the Company or any of its Restricted Subsidiaries so long as (i) the investment is being offered generally to other investors on the same or
more favorable terms and (ii) the investment constitutes less than 5.0% of the proposed or outstanding issue amount of such class of securities. 
 SECTION 1014. Limitations on Dividend and Other Payment Restrictions Affecting Restricted Subsidiaries. The Company shall not, and shall not permit any Restricted Subsidiary that is not a Subsidiary Guarantor
to, directly or indirectly, create or otherwise cause or suffer to exist or become effective any consensual encumbrance or consensual restriction on the ability of any such Restricted Subsidiary to: 
 (a) (1) pay dividends or make any other distributions to the Company or any Restricted Subsidiary on its Capital Stock or with respect to
any other interest or participation in, or measured by, its profits or 
 (2) pay any Indebtedness owed to the Company or any
Restricted Subsidiary; 
 (b) make loans or advances to the Company or any Restricted Subsidiary; or 
 (c) sell, lease or transfer any of its properties or assets to the Company or any Restricted Subsidiary; 
 except (in each case) for such encumbrances or restrictions existing under or by reason of: 
 (1) contractual encumbrances or restrictions in effect on December 19, 2006, including pursuant to the Senior Credit Facilities and
the related documentation (including security documents and intercreditor agreements) and Hedging Obligations; 
 (2) the
Indentures and the Notes, the Senior PIK Notes and the Senior Subordinated Notes, and, in each case, the guarantees thereof; 
 (3) purchase money obligations for property acquired in the ordinary course of business and Capital Lease Obligations that impose restrictions of the nature discussed in clause (c) above on the property so acquired; 
  

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 (4) applicable law or any applicable rule, regulation or order; 
 (5) any agreement or other instrument of a Person acquired by the Company or any Restricted Subsidiary in existence at the time of such
acquisition (but not created in connection therewith or in contemplation thereof), which encumbrance or restriction is not applicable to any Person, or the properties or assets of any Person, other than the Person, or the property or assets of the
Person, so acquired; 
 (6) contracts for the sale of assets, including customary restrictions with respect to a Subsidiary
pursuant to an agreement that has been entered into for the sale or disposition of all or substantially all of the Capital Stock or assets of such Subsidiary; 
 (7) Secured Indebtedness otherwise permitted to be incurred pursuant to Sections 1011 and 1012 of this Indenture that limit the right of
the debtor to dispose of the assets securing such Indebtedness; 
 (8) restrictions on cash or other deposits or net worth
imposed by customers under contracts entered into in the ordinary course of business; 
 (9) other Indebtedness, Disqualified
Stock or Preferred Stock of Restricted Subsidiaries permitted to be incurred after December 19, 2006 pursuant to the provisions of Section 1011 of this Indenture; 
 (10) customary provisions in joint venture agreements, asset sale agreements, sale and leaseback agreements and other similar agreements;

 (11) customary provisions contained in leases and other agreements entered into in the ordinary course of business;

 (12) restrictions created in connection with any Receivables Facility; provided that in the case of Receivables
Facilities established after December 19, 2006, such restrictions are necessary or advisable, in the good faith determination of the Company, to effect such Receivables Facility; 
 (13) restrictions or conditions contained in any trading, netting, operating, construction, service, supply, purchase, sale or other
agreement to which the Company or any of its Restricted Subsidiaries is a party entered into in the ordinary course of business; provided that such agreement prohibits the encumbrance of solely the property or assets of the Company or such
Restricted Subsidiary that are the subject of such agreement, the payment rights arising thereunder or the proceeds thereof and does not extend to any other asset or property of the Company or such Restricted Subsidiary or the assets or property of
any other Restricted Subsidiary; and 
 (14) any encumbrances or restrictions of the type referred to in clauses (a),
(b) and (c) above imposed by any amendments, modifications, restatements, renewals, increases, supplements, refundings, replacements or refinancings of the contracts, instruments or obligations referred to in clauses (1) through
(13) above; provided that such amendments, modifications, restatements, renewals, increases, supplements, refundings, replacements or refinancings are, in the good faith judgment of the Company, not materially more restrictive with
respect to such encumbrance and other restrictions than those prior to such amendment, modification, restatement, renewal, increase, supplement, refunding, replacement or refinancing; provided, further, that with respect to contracts,
instruments or obligations existing on December 19, 2006, any amendments, modifications, restatements, renewals, increases, supplements, refundings, replacements or refinancings are not materially more restrictive with respect to such
encumbrances and other restrictions than those contained in such contracts, instruments or obligations as in effect on December 19, 2006. 
 SECTION 1015. Limitation on Guarantees of Indebtedness by Restricted Subsidiaries. The Company shall not permit any of its Wholly Owned Subsidiaries that are Restricted Subsidiaries (and non-Wholly Owned Subsidiaries if such
non-Wholly Owned Subsidiaries guarantee other capital markets debt securities) of the Company or any Subsidiary Guarantor, other than a Subsidiary Guarantor or a Foreign Subsidiary, to guarantee the payment of any Indebtedness of the Company or any
Subsidiary Guarantor unless: 
 (1) such Restricted Subsidiary within 30 days executes and delivers a supplemental indenture
to this Indenture providing for a Subsidiary Guarantee by such Restricted Subsidiary, except that with respect to a guarantee of Indebtedness of the Company or any Subsidiary Guarantor, that is by its express terms subordinated in right of payment
to the Notes or such Subsidiary Guarantor’s Subsidiary Guarantee, any such guarantee by such Restricted Subsidiary with respect to such Indebtedness shall be subordinated in right of payment to such Subsidiary Guarantee substantially to the
same extent as such Indebtedness is subordinated to the Notes; 
  

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 (2) such Restricted Subsidiary waives and shall not in any manner whatsoever claim or
take the benefit or advantage of, any rights of reimbursement, indemnity or subrogation or any other rights against the Company or any other Restricted Subsidiary as a result of any payment by such Restricted Subsidiary under its Subsidiary
Guarantee; and 
 (3) such Restricted Subsidiary shall deliver to the Trustee an Opinion of Counsel to the effect that:

 (a) such Subsidiary Guarantee has been duly executed and authorized; and 
 (b) such Subsidiary Guarantee constitutes a valid, binding and enforceable obligation of such Restricted Subsidiary, except insofar as
enforcement thereof may be limited by bankruptcy, insolvency or similar laws (including, without limitation, all laws relating to fraudulent transfers) and except insofar as enforcement thereof is subject to general principles of equity, 

provided that this Section 1015 shall not be applicable to any guarantee of any Restricted Subsidiary that existed at the time such Person became a
Restricted Subsidiary and was not incurred in connection with, or in contemplation of, such Person becoming a Restricted Subsidiary. 
 SECTION 1016. Limitation on Sale and Lease-Back Transactions. The Company shall not, and shall not permit any Restricted Subsidiary to, enter into any Sale and Lease-Back Transaction with respect to any property unless: 

(1) the Company or such Restricted Subsidiary would be entitled to (A) incur Indebtedness in an amount equal to the Attributable
Debt with respect to such Sale and Lease-Back Transaction pursuant to Section 1011 of this Indenture and (B) create a Lien on such property securing such Attributable Debt without equally and ratably securing the Notes pursuant to
Section 1012; 
 (2) the consideration received by the Company or any Restricted Subsidiary in connection with such Sale
and Lease-Back Transaction is at least equal to the fair market value (as determined in good faith by the Company) of such property; and 
 (3) the Company applies the proceeds of such transaction in compliance with Section 1018 of this Indenture. 
 SECTION 1017. Change of Control. 
 (a) If a Change of Control occurs, the Company shall make an offer to purchase all of the
Notes pursuant to the offer described below (the “Change of Control Offer”) at a price in cash (the “Change of Control Payment”) equal to 101% of the aggregate principal amount thereof plus accrued and unpaid
interest, and Additional Interest, if any, to the date of purchase, subject to the right of Holders of record on the relevant record date to receive interest due on the relevant Interest Payment Date. Within 30 days following any Change of Control,
the Company shall send notice of such Change of Control Offer by first class mail, with a copy to the Trustee, to each Holder to the address of such Holder appearing in the security register with a copy to the Trustee, with the following
information: 
 (1) a Change of Control Offer is being made pursuant to this Section 1017 and all Notes properly tendered
pursuant to such Change of Control Offer shall be accepted for payment; 
  

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 (2) the purchase price and the purchase date, which shall be no earlier than 30 days nor
later than 60 days from the date such notice is mailed (the “Change of Control Payment Date”); 
 (3) any
Note not properly tendered shall remain outstanding and continue to accrue interest; 
 (4) unless the Company defaults in the
payment of the Change of Control Payment, all Notes accepted for payment pursuant to the Change of Control Offer shall cease to accrue interest on the Change of Control Payment Date; 
 (5) Holders electing to have any Notes purchased pursuant to a Change of Control Offer shall be required to surrender the Notes, with the
form entitled “Option of Holder to Elect Purchase” on the reverse of the Notes completed, to the paying agent specified in the notice at the address specified in the notice prior to the close of business on the third Business Day preceding
the Change of Control Payment Date; 
 (6) Holders shall be entitled to withdraw their tendered Notes and their election to
require the Company to purchase such Notes; provided that the paying agent receives, not later than the close of business on the last day of the offer period, a telegram, telex, facsimile transmission or letter setting forth the name of the
Holder, the principal amount of Notes tendered for purchase, and a statement that such Holder is withdrawing its tendered Notes and its election to have such Notes purchased; and 
 (7) Holders whose Notes are being purchased only in part shall be issued new Notes equal in principal amount to the unpurchased portion of
the Notes surrendered, which unpurchased portion must be equal to $1,000 or an integral multiple of $1,000 in excess of $1,000. 
 (b) While
the Notes are in global form and the Company makes a Change of Control Offer, a Holder may exercise its option to elect for the purchase of the Notes through the facilities of DTC, subject to its rules and regulations. 
 (c) The Company shall comply with the requirements of Rule 14e-1 under the Exchange Act and any other securities laws and regulations thereunder to the
extent such laws or regulations are applicable in connection with the repurchase of the Notes pursuant to a Change of Control Offer. To the extent that the provisions of any securities laws or regulations conflict with the provisions of this
Indenture, the Company shall comply with the applicable securities laws and regulations and shall not be deemed to have breached its obligations described in this Indenture by virtue thereof. 
 (d) On the Change of Control Payment Date, the Company shall, to the extent permitted by law, 
 (1) accept for payment all Notes or portions thereof properly tendered pursuant to the Change of Control Offer, 
 (2) deposit with the Paying Agent an amount equal to the aggregate Change of Control Payment in respect of all Notes or portions thereof
so tendered and 
 (3) deliver, or cause to be delivered, to the Trustee for cancellation the Notes so accepted together with
an Officers’ Certificate stating that such Notes or portions thereof have been tendered to and purchased by the Company. 
 (e) The
Paying Agent shall promptly mail to each Holder the Change of Control Payment for such Notes, and the Trustee shall promptly authenticate and mail to each Holder a new Note equal in principal amount to any unpurchased portion of the Notes
surrendered, if any; provided that each such new Note shall be in a principal amount of $1,000 or an integral multiple of $1,000 in excess of $1,000. The Company shall publicly announce the results of the Change of Control Offer on or as soon
as practicable after the Change of Control Payment Date. 
  

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 (f) The Company shall not be required to make a Change of Control Offer following a Change of Control if
a third party makes the Change of Control Offer in the manner, at the time and otherwise in compliance with the requirements set forth in this Indenture applicable to a Change of Control Offer made by the Company and purchases all Notes validly
tendered and not withdrawn under such Change of Control Offer. A Change of Control Offer may be made in advance of a Change of Control, conditional upon such Change of Control, if a definitive agreement is in place for the Change of Control at the
time of making of the Change of Control Offer. 
 SECTION 1018. Asset Sales. 
 (a) The Company shall not, and shall not permit any Restricted Subsidiary to, cause, make or suffer to exist an Asset Sale, unless: 
 (1) the Company or such Restricted Subsidiary, as the case may be, receives consideration at the time of such Asset Sale at least equal to
the fair market value (as determined in good faith by the Company) of the assets sold or otherwise disposed of (notwithstanding the foregoing, the consideration received by the Company or any of its Restricted Subsidiaries from the sale of the
Saginaw, Michigan facility on terms materially consistent with the terms, as in effect as of October 6, 2003, set forth in Exhibit 5 to the Long Term Agreement as in effect as of October 6, 2003 between General Motors Corporation and
Alchem Aluminum Inc., dated as of February 26, 1999, shall, in each case, be deemed to be fair market value for purposes of this paragraph); and 
 (2) except in the case of a Permitted Asset Swap, at least 75% of the consideration therefor received by the Company or such Restricted Subsidiary, as the case may be, is in the form of cash or Cash Equivalents;
provided that the amount of 
 (A) any liabilities (as shown on the Company’s or such Restricted Subsidiary’s
most recent balance sheet or in the notes thereto) of the Company or such Restricted Subsidiary, other than liabilities that are by their terms subordinated to the Notes, that are assumed by the transferee of any such assets (or a third party on
behalf of the transferee) and for which the Company or such Restricted Subsidiary has been validly released by all creditors in writing, 
 (B) any securities, notes or other obligations or assets received by the Company or such Restricted Subsidiary from such transferee that are converted by the Company or such Restricted Subsidiary into cash (to the
extent of the cash received) within 180 days following the closing of such Asset Sale and 
 (C) any Designated Noncash
Consideration received by the Company or such Restricted Subsidiary in such Asset Sale having an aggregate fair market value, taken together with all other Designated Noncash Consideration received pursuant to this clause (C) that has not
previously been converted to cash, not to exceed the greater of (x) $100.0 million and (y) 3.0% of Total Assets at the time of receipt of such Designated Noncash Consideration, with the fair market value of each item of Designated Noncash
Consideration being measured at the time received and without giving effect to subsequent changes in value, 
 shall be deemed to be cash for
purposes of this provision and for no other purpose. 
  

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 (b) Within 450 days after any of the Company’s or any Restricted Subsidiary’s receipt of the
Net Proceeds of any Asset Sale, the Company or such Restricted Subsidiary may, at its option, apply the Net Proceeds from such Asset Sale: 
 (1) to permanently reduce 
 (x) Obligations under the Senior Credit Facilities or other any
Senior Indebtedness, in each case, of the Company or any Subsidiary Guarantor and, in the case of Obligations under revolving credit facilities or other similar Indebtedness, to correspondingly permanently reduce commitments with respect thereto
(other than Obligations owed to the Company or a Restricted Subsidiary); provided that if the Company or any Restricted Subsidiary shall so reduce Obligations under any Senior Indebtedness that is not Secured Indebtedness, the Company or such
Subsidiary Guarantor shall, equally and ratably, reduce Obligations under the Notes by, at its option, (A) redeeming Notes if the Notes are then redeemable as provided by the terms of the Notes, (B) making an offer (in accordance with the
procedures set forth in this Section 1018) to all Holders to purchase their Notes at 100% of the principal amount thereof, plus the amount of accrued and unpaid interest and Additional Interest, if any, on the principal amount of Notes
to be repurchased or (C) purchasing Notes through open market purchases (to the extent such purchases are at a price equal to or higher than 100% of the principal amount thereof) in a manner that complies with this Indenture and applicable
securities law; or 
 (y) Indebtedness of a Restricted Subsidiary that is not a Subsidiary Guarantor, other than Indebtedness
owed to the Company or another Restricted Subsidiary; or 
 (2) to an investment in (A) any one or more businesses;
provided that such investment in any business is in the form of the acquisition of Capital Stock and results in the Company or any Restricted Subsidiary owning an amount of the Capital Stock of such business such that it constitutes a
Restricted Subsidiary, (B) properties, (C) capital expenditures and (D) acquisitions of other assets, that in each of (A), (B), (C) and (D), are used or useful in a Similar Business or replace the businesses, properties and
assets that are the subject of such Asset Sale. 
 (c) Any Net Proceeds from any Asset Sale that are not invested or applied in accordance
with the preceding paragraph within 450 days from the date of the receipt of such Net Proceeds shall be deemed to constitute “Excess Proceeds”; provided that if during such 450-day period the Company or a Restricted
Subsidiary enters into a definitive binding agreement committing it to apply such Net Proceeds in accordance with the requirements of clause (2) of Section 1018(b) after such 450th day, such 450-day period shall be extended with respect to
the amount of Net Proceeds so committed until such Net Proceeds are required to be applied in accordance with such agreement (but such extension shall in no event be for a period longer than 180 days) (or, if earlier, the date of termination of such
agreement). When the aggregate amount of Excess Proceeds exceeds $35.0 million, the Company shall make an offer to all Holders and, if required by the terms of any Senior Indebtedness, to the holders of such Senior Indebtedness (other than with
respect to Hedging Obligations) (an “Asset Sale Offer”), to purchase the maximum aggregate principal amount of Notes and such Senior Indebtedness that is an integral multiple of $1,000 that may be purchased out of the Excess
Proceeds at an offer price in cash in an amount equal to 100% of the principal amount thereof, plus accrued and unpaid interest and Additional Interest, if any, to the date fixed for the closing of such offer, in accordance with the
procedures set forth in this Indenture. The Company shall commence an Asset Sale Offer with respect to Excess Proceeds within ten Business Days after the date that Excess Proceeds exceed $35.0 million by mailing the notice required pursuant to the
terms of this Indenture, with a copy to the Trustee. The Company may satisfy the foregoing obligations with respect to any Net Proceeds from an Asset Sale by making an Asset Sale Offer with respect to such Net Proceeds prior to the expiration of the
relevant 450 days (or such longer period provided above) or with respect to Excess Proceeds of $35.0 million or less. To the extent that the aggregate amount of Notes and such Senior Indebtedness tendered pursuant to an Asset Sale Offer is less than
the Excess Proceeds, the Company may use any remaining Excess Proceeds for general corporate purposes, subject to the other covenants contained in this Indenture. If the aggregate principal amount of Notes or the Senior Indebtedness surrendered by
such holders thereof exceeds the amount of Excess Proceeds, the Company shall select or cause to be selected the Notes and such Senior Indebtedness to be purchased on a pro rata basis based on the accreted value or principal amount of the
Notes or such Senior Indebtedness tendered. Upon completion of any such Asset Sale Offer, the amount of Excess Proceeds related to such Asset Sale Offer shall be reset at zero. 
 (d) Pending the final application of any Net Proceeds pursuant to this Section 1018, the Company or the applicable Restricted Subsidiary may apply
such Net Proceeds temporarily to reduce Indebtedness outstanding under a revolving credit facility or otherwise invest such Net Proceeds in any manner not prohibited by this Indenture. 
  

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 (e) The Company shall comply with the requirements of Rule 14e-1 under the Exchange Act and any other
securities laws and regulations thereunder to the extent such laws or regulations are applicable in connection with the repurchase of Notes pursuant to an Asset Sale Offer. To the extent that the provisions of any securities laws or regulations
conflict with the provisions of this Indenture, the Company shall comply with the applicable securities laws and regulations and shall not be deemed to have breached its obligations described in this Indenture by virtue thereof. 
 (f) If the Company is repurchasing less than all of the Notes at any time, the Company shall select the Notes to be repurchased (a) if the Notes are
listed on any national securities exchange, in compliance with the requirements of the principal national securities exchange on which such Notes are listed or (b) if such Notes are not so listed, on a pro rata basis to the extent practicable;
provided that no Notes of $1,000 or less shall be repurchased in part. 
 (g) Notices of repurchase shall be mailed by first class
mail, postage prepaid, at least 30 days but not more than 60 days before the date of repurchase to each Holder at such Holder’s registered address, except that notices of repurchase may be mailed more than 60 days prior to a date of repurchase
if the notice is issued in connection with a defeasance of the Notes or a satisfaction and discharge of this Indenture. If any Note is to be repurchased in part only, any notice of repurchase that relates to such Note shall state the portion of the
principal amount thereof to be repurchased. 
 (h) A new Note in principal amount equal to the unrepurchased portion of any Note repurchased
in part shall be issued in the name of the Holder thereof upon cancellation of the original Note. Notes called for repurchase become due and payable on the date fixed for repurchase. On and after the date of repurchase, unless the Company defaults
in the repurchase payment, interest shall cease to accrue on the Note or portions thereof called for repurchase. The Paying Agent, if not the Company, shall return to the Company any cash that remains unclaimed, together with interest, if any,
thereon, held by the Paying Agent for the payment of the amount required pursuant to the Asset Sale Offer. 
 SECTION 1019. No Amendment
to Subordination Provisions. Without the consent of the Holders of a majority in Outstanding aggregate principal amount of the Notes, the Company shall not amend, modify or alter the Senior Subordinated Indenture in any way to: 
 (1) increase the rate of or change the time for payment of interest on any Senior Subordinated Notes; 
 (2) increase the principal of, advance the final maturity date of or shorten the Weighted Average Life to Maturity of any Senior
Subordinated Notes; 
 (3) alter the redemption provisions or the price or terms at which the Company is required to offer to
purchase any Senior Subordinated Notes; or 
 (4) amend the provisions of the Senior Subordinated Indenture that relate to
subordination. 
 SECTION 1020. Designation of “Designated Senior Indebtedness”. The Company hereby designates the Notes to
be “Designated Senior Indebtedness” under the Senior Subordinated Indenture. 
  

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 ARTICLE ELEVEN 
 REDEMPTION OF NOTES 
 SECTION 1101. Right of Redemption. 
 (a) At any time prior to December 15, 2010, the Company may redeem all or a part of the Notes, upon not less than 30 nor more than 60 days’
prior notice, at a redemption price equal to 100% of the principal amount of Notes redeemed plus the Applicable Premium as of, and accrued and unpaid interest and Additional Interest, if any, to the Redemption Date, subject to the rights of Holders
on the relevant Record Date to receive interest due on the relevant Interest Payment Date. 
 (b) From and after December 15, 2010, the
Company may redeem the Notes, in whole or in part, upon not less than 30 nor more than 60 days’ prior notice at the redemption prices (expressed as percentages of principal amount) set forth below, plus accrued and unpaid interest, and
Additional Interest, if any, thereon to the applicable Redemption Date, subject to the right of Holders on the relevant record date to receive interest due on the relevant Interest Payment Date, if redeemed during the twelve-month period beginning
on December 15 of each of the years indicated below: 
  

				
	 Year
	  	Percentage	 
	 2010
	  	104.500	%
	 2011
	  	102.250	%
	 2012 and thereafter
	  	100.000	%

 (c) Prior to December 15, 2009, the Company may, at its option, redeem up to 35% of the
original aggregate principal amount of Notes (and the original principal amount of any Additional Notes) issued under this Indenture at a redemption price equal to 109.000% of the aggregate principal amount thereof, plus accrued and unpaid interest
and Additional Interest, if any, thereon to the applicable Redemption Date, subject to the right of Holders on the relevant record date to receive interest due on the relevant Interest Payment Date, with the net cash proceeds of one or more Equity
Offerings of the Company or any direct or indirect parent of the Company to the extent such net cash proceeds are contributed to the Company; provided that at least 50% of the sum of the aggregate principal amount of Notes originally issued
under this Indenture and the aggregate principal amount of any Additional Notes issued under this Indenture after the Issue Date remains Outstanding immediately after the occurrence of each such redemption; provided, further, that each
such redemption occurs within 180 days of the date of closing of each such Equity Offering. 
 SECTION 1102. Mandatory Redemption. The
Company shall not be required to make any mandatory redemption or sinking fund payments with respect to the Notes. 
 SECTION 1103.
Applicability of Article. Redemption of Notes at the election of the Company or otherwise, as permitted or required by any provision of this Indenture or the Notes, shall be made in accordance with such provision and this Article Eleven.

 SECTION 1104. Election to Redeem; Notice to Trustee. The election of the Company to redeem any Notes pursuant to Section 1101
above shall be evidenced by a Board Resolution. If the Company elects to redeem Notes pursuant to Section 1101 hereof, it shall furnish to the Trustee, at least five Business Days before notice of redemption is required to be mailed or caused
to be mailed to Holders pursuant to Section 1106 hereof, an Officers’ Certificate setting forth (i) the paragraph or subparagraph of such Note and/or Section of this Indenture pursuant to which the redemption shall occur,
(ii) the Redemption Date, (iii) the principal amount of the Notes to be redeemed and (iv) the Redemption Price. 
 SECTION
1105. Selection by Trustee of Notes to Be Redeemed. 
 (a) If the Company is redeeming less than all of the Notes at any time, the
Trustee shall select the Notes to be redeemed (a) if the Notes are listed on any national securities exchange, in compliance with the requirements of the principal national securities exchange on which such Notes are listed or (b) if such
Notes are not so listed, on a pro rata basis to the extent practicable; provided that no Notes of $1,000 or less shall be redeemed in part. 
  

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 (b) If any Note is to be redeemed in part only, any notice of redemption that relates to such Note shall
state the portion of the principal amount thereof to be redeemed. 
 (c) A new Note in principal amount equal to the unredeemed portion of
any Note redeemed in part shall be issued in the name of the Holder thereof upon cancellation of the original Note. Notes called for redemption become due and payable on the date fixed for redemption. On and after the Redemption Date, unless the
Company defaults in the redemption payment, interest shall cease to accrue on the Note or portions thereof called for redemption. 
 SECTION
1106. Notice of Redemption. Notices of redemption shall be mailed by first class mail, postage prepaid, at least 30 days but not more than 60 days before the Redemption Date to each Holder at such Holder’s registered address, except that
notices of redemption may be mailed more than 60 days prior to a Redemption Date if the notice is issued in connection with a defeasance of the Notes or a satisfaction and discharge of this Indenture. 
 All notices of redemption shall state: 
 (1) the Redemption Date, 
 (2) the Redemption Price and the amount of accrued interest to the
Redemption Date payable as provided in Section 1108, if any, 
 (3) if less than all Outstanding Notes are to be
redeemed, the identification (and, in the case of a partial redemption, the principal amounts) of the particular Notes to be redeemed, 
 (4) in case any Note is to be redeemed in part only, the notice which relates to such Note shall state that on and after the Redemption Date, upon surrender of such Note, the Holder shall receive, without charge, a
new Note or Notes of authorized denominations for the principal amount thereof remaining unredeemed, 
 (5) that on the
Redemption Date the Redemption Price (and accrued interest, if any, to the Redemption Date payable as provided in Section 1108) shall become due and payable upon each such Note, or the portion thereof, to be redeemed, and that interest thereon
shall cease to accrue on and after said date, 
 (6) the place or places where such Notes are to be surrendered for payment of
the Redemption Price and accrued interest, if any, 
 (7) the name and address of the Paying Agent, 
 (8) that Notes called for redemption must be surrendered to the Paying Agent to collect the Redemption Price, 
 (9) that, unless the Company defaults in making such redemption payment, interest on Notes called for redemption ceases to accrue on and
after the Redemption Date; 
 (10) the “CUSIP” number, ISIN or “Common Code” number and that no
representation is made as to the accuracy or correctness of the “CUSIP” number, ISIN or “Common Code” number, if any, listed in such notice or printed on the Notes, and 
 (11) the paragraph of the Notes or Section of the Indenture pursuant to which the Notes are to be redeemed. 
  

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 At the Company’s request, the Trustee shall give the notice of redemption in the Company’s name
and at its expense; provided that the Company shall have delivered to the Trustee, at least five Business Days before notice of redemption is required to be mailed or caused to be mailed to Holders pursuant to this Section 1106 (unless a
shorter notice shall be agreed to by the Trustee), an Officers’ Certificate requesting that the Trustee give such notice and setting forth the information to be stated in such notice as provided in Section 1104. 
 SECTION 1107. Effect of Notice of Redemption. Once notice of redemption is mailed in accordance with Section 1106 hereof, Notes called for
redemption become irrevocably due and payable on the Redemption Date at the Redemption Price. The notice, if mailed in a manner herein provided, shall be conclusively presumed to have been given, whether or not the Holder receives such notice. In
any case, failure to give such notice by mail or any defect in the notice to the Holder of any Note designated for redemption in whole or in part shall not affect the validity of the proceedings for the redemption of any other Note. Subject to
Section 1108 hereof, on and after the Redemption Date, interest and Additional Interest, if any, shall cease to accrue on Notes or portions of Notes called for redemption. 
 SECTION 1108. Deposit of Redemption Price. Prior to 12:00 p.m. (Eastern Time) on any Redemption Date, the Company shall deposit with the Trustee
or with a Paying Agent (or, if the Company is acting as its own Paying Agent, segregate and hold in trust as provided in Section 1003) an amount of money sufficient to pay the Redemption Price of, and accrued interest and Additional Interest,
if any, on, all the Notes that are to be redeemed on that date. The Trustee or the Paying Agent shall promptly return to the Company any money deposited with the Trustee or the Paying Agent by the Company in excess of the amounts necessary to pay
the redemption price of, and accrued and unpaid interest and Additional Interest, if any, on, all Notes to be redeemed or purchased. In addition, all money, if any, earned on funds held by the Trustee or the Paying Agent shall be remitted to the
Company. 
 SECTION 1109. Notes Payable on Redemption Date. 
 (a) Notice of redemption having been given as aforesaid, the Notes so to be redeemed shall, on the Redemption Date, become due and payable at the
Redemption Price therein specified (together with accrued interest and Additional Interest, if any, to the Redemption Date), and from and after such date (unless the Company shall default in the payment of the Redemption Price and accrued interest)
such Notes shall cease to bear interest. Upon surrender of any such Note for redemption in accordance with said notice, such Note shall be paid by the Company at the Redemption Price, together with accrued interest and Additional Interest, if any,
to the Redemption Date and such Notes shall be canceled by the Trustee; provided, however, that installments of interest whose Stated Maturity is on or prior to the Redemption Date shall be payable to the Holders of such Notes, or one
or more Predecessor Notes, registered as such at the close of business on the relevant Record Dates according to their terms and the provisions of Section 306. 
 (b) If any Note called for redemption shall not be so paid upon surrender thereof for redemption, the principal (and premium, if any) shall, until paid, bear interest from the Redemption Date at the rate borne by the
Notes. 
 SECTION 1110. Notes Redeemed in Part. Any Note which is to be redeemed only in part (pursuant to the provisions of this
Article Eleven) shall be surrendered at the office or agency of the Company maintained for such purpose pursuant to Section 1002 (with, if the Company or the Trustee so requires, due endorsement by, or a written instrument of transfer in form
satisfactory to the Company and the Trustee duly executed by, the Holder thereof or such Holder’s attorney duly authorized in writing), and the Company shall execute, and the Trustee shall authenticate and deliver to the Holder of such Note
without service charge, a new Note or Notes, of any authorized denomination as requested by such Holder, in aggregate principal amount equal to and in exchange for the unredeemed portion of the principal of the Note so surrendered; provided
that no Note of $1,000 or less will be redeemed in part. 
  

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 ARTICLE TWELVE 
 GUARANTEES 
 SECTION 1201. Guarantees. Each Subsidiary Guarantor hereby jointly and severally,
irrevocably and unconditionally irrevocably guarantees, as primary obligor and not merely as surety, the Notes and obligations of the Company hereunder and thereunder, and guarantees to each Holder of a Note authenticated and delivered by the
Trustee, and to the Trustee for itself and on behalf of such Holder, that: (1) the principal of (and premium, if any) and interest on, or Additional Interest in respect of, the Notes shall be paid in full when due, whether at Stated Maturity,
by acceleration or otherwise (including the amount that would become due but for the operation of the automatic stay under Section 362(a) of the Bankruptcy Law), subject to any applicable grace period, together with interest on the overdue
principal, if any, and interest on any overdue interest, to the extent lawful, and all other obligations of the Company to the Holders or the Trustee hereunder or thereunder shall be paid in full or performed, all in accordance with the terms hereof
and thereof; and (2) in case of any extension of time of payment or renewal of any Notes or of any such other obligations, the same shall be paid in full when due or performed in accordance with the terms of the extension or renewal, whether at
Stated Maturity, by acceleration or otherwise, subject to any applicable grace period, and subject, however, in the case of clauses (1) and (2) above, to the limitation set forth in Section 1204 hereof. 
 (a) Each Subsidiary Guarantor hereby agrees that (to the extent permitted by law) its obligations hereunder shall be unconditional, irrespective of the
validity, regularity or enforceability of the Notes or this Indenture, the absence of any action to enforce the same, any waiver or consent by any Holder with respect to any provisions hereof or thereof, any release of any other Subsidiary
Guarantor, the recovery of any judgment against the Company, any action to enforce the same or any other circumstance which might otherwise constitute a legal or equitable discharge or defense of a Subsidiary Guarantor. 
 (b) Each Subsidiary Guarantor hereby waives (to the extent permitted by law) the benefits of diligence, presentment, demand for payment, filing of claims
with a court in the event of insolvency or bankruptcy of the Company, any right to require a proceeding first against the Company or any other Person, protest, notice and all demands whatsoever and covenants that the Subsidiary Guarantee of such
Subsidiary Guarantor shall not be discharged as to any Note except by complete performance of the obligations contained in such Note, this Indenture and such Subsidiary Guarantee. Each Subsidiary Guarantor acknowledges that the Subsidiary Guarantee
is a guarantee of payment, performance and compliance when due and not of collection. Each of the Subsidiary Guarantors hereby agrees that, in the event of a default in payment of principal (or premium, if any) or interest on such Note, whether at
its Stated Maturity, by acceleration, purchase or otherwise, legal proceedings may be instituted by the Trustee on behalf of, or by, the Holder of such Note, subject to the terms and conditions set forth in this Indenture, directly against each of
the Subsidiary Guarantors to enforce such Subsidiary Guarantor’s Subsidiary Guarantee without first proceeding against the Company or any other Subsidiary Guarantor. Each Subsidiary Guarantor agrees that if, after the occurrence and during the
continuance of an Event of Default, the Trustee or any of the Holders are prevented by applicable law from exercising their respective rights to accelerate the Maturity of the Notes, to collect interest on the Notes, or to enforce or exercise any
other right or remedy with respect to the Notes, such Subsidiary Guarantor shall pay to the Trustee for the account of the Holder, upon demand therefor, the amount that would otherwise have been due and payable had such rights and remedies been
permitted to be exercised by the Trustee or any of the Holders. 
 (c) If any Holder or the Trustee is required by any court or otherwise to
return to the Company or any Subsidiary Guarantor, or any custodian, trustee, liquidator or other similar official acting in relation to either the Company or any Subsidiary Guarantor, any amount paid by any of them to the Trustee or such Holder,
the Subsidiary Guarantee of each of the Subsidiary Guarantors, to the extent theretofore discharged, shall be reinstated in full force and effect. Each Subsidiary Guarantor further agrees that, as between each Subsidiary Guarantor, on the one hand,
and the Holders and the Trustee on the other hand, (1) subject to this Article Twelve, the Maturity of the obligations guaranteed hereby may be accelerated as provided in Article Five hereof for the purposes of the Subsidiary Guarantee of such
Subsidiary Guarantor notwithstanding any stay, injunction or other prohibition preventing such acceleration in respect of the obligations guaranteed hereby, and (2) in the event of any acceleration of such obligation as provided in Article Five
hereof, such obligations (whether or not due and payable) shall forthwith become due and payable by each Subsidiary Guarantor for the purpose of the Subsidiary Guarantee of such Subsidiary Guarantor. The Subsidiary Guarantors shall have the right to
seek contribution from any non-paying Subsidiary Guarantor so long as the exercise of such right does not impair the rights of the Holders under the Subsidiary Guarantees. 
  


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 (d) Each Subsidiary Guarantee shall remain in full force and effect and continue to be effective should
any petition be filed by or against the Company for liquidation, reorganization, should the Company become insolvent or make an assignment for the benefit of creditors or should a receiver or trustee be appointed for all or any significant part of
the Company’s assets, and shall, to the fullest extent permitted by law, continue to be effective or be reinstated, as the case may be, if at any time payment and performance of the Notes are, pursuant to applicable law, rescinded or reduced in
amount, or must otherwise be restored or returned by any obligee on the Notes, whether as a “voidable preference,” “fraudulent transfer” or otherwise, all as though such payment or performance had not been made. In the event that
any payment or any part thereof, is rescinded, reduced, restored or returned, the Notes shall, to the fullest extent permitted by law, be reinstated and deemed reduced only by such amount paid and not so rescinded, reduced, restored or returned.

 SECTION 1202. Severability. In case any provision of any Subsidiary Guarantee shall be invalid, illegal or unenforceable, the
validity, legality, and enforceability of the remaining provisions shall not in any way be affected or impaired thereby to the extent permitted by applicable law. 
 SECTION 1203. Reserved. 
 SECTION 1204. Limitation of Subsidiary Guarantors’ Liability.
Each Subsidiary Guarantor, and by its acceptance of Notes, each Holder hereby confirms that it is the intention of all such parties that the Subsidiary Guarantee of such Subsidiary Guarantor not constitute a fraudulent transfer or conveyance for
purposes of the Bankruptcy Law, the Uniform Fraudulent Conveyance Act, the Uniform Fraudulent Transfer Act or any similar federal or state law to the extent applicable to any Subsidiary Guarantee or the provisions of its local law relating to
fraudulent transfer or conveyance. To effectuate the foregoing intention, the Trustee, the Holders and each such Subsidiary Guarantor hereby irrevocably agree that the obligations of such Subsidiary Guarantor under its Subsidiary Guarantee shall be
limited to the maximum amount as will, after giving effect to such maximum amount and all other contingent and fixed liabilities of such Subsidiary Guarantor that are relevant under such laws and after giving effect to any collections from, rights
to receive contribution from or payments made by or on behalf of any other Subsidiary Guarantor in respect of the obligations of such other Subsidiary Guarantor under this Article Twelve, result in the obligations of such Subsidiary Guarantor under
its Subsidiary Guarantee not constituting a fraudulent conveyance or fraudulent transfer under applicable law. 
 SECTION 1205.
Contribution. Each Subsidiary Guarantor that makes a payment under its Subsidiary Guarantee shall be entitled upon payment in full of all guaranteed Obligations under this Indenture to a contribution from each other Subsidiary Guarantor in an
amount equal to such other Subsidiary Guarantor’s pro rata portion of such payment based on the respective net assets of all the Subsidiary Guarantors at the time of such payment determined in accordance with GAAP. 
 SECTION 1206. Subrogation. Each Subsidiary Guarantor shall be subrogated to all rights of Holders against the Company in respect of any amounts
paid by any Subsidiary Guarantor pursuant to the provisions of Section 1201; provided, however, that, if a Default or Event of Default has occurred and is continuing, no Subsidiary Guarantor shall be entitled to enforce or receive any
payments arising out of, or based upon, such right of subrogation until all amounts then due and payable by the Company under this Indenture or the Notes shall have been paid in full. 
 SECTION 1207. Reinstatement. Each Subsidiary Guarantor hereby agrees (and each Person who becomes a Subsidiary Guarantor shall agree) that the
Subsidiary Guarantee provided for in Section 1201 shall continue to be effective or be reinstated, as the case may be, if at any time, payment, or any part thereof, of any obligations or interest thereon is properly rescinded or must otherwise
be restored by a Holder to the Company upon the bankruptcy or insolvency of the Company or any Subsidiary Guarantor. 
 SECTION 1208.
Release of a Subsidiary Guarantor. The Subsidiary Guarantee of a Subsidiary Guarantor shall automatically and unconditionally be released and discharged, and no further action by such Subsidiary Guarantor, the Company or the Trustee is
required for the release of such Subsidiary Guarantor’s Subsidiary Guarantee, upon: 
 (1) (A) the sale, disposition or
other transfer (including through merger or consolidation) of all of the Capital Stock (or any sale, disposition or other transfer of Capital Stock following which such Subsidiary Guarantor is no longer a Restricted Subsidiary), or all or
substantially all the assets, of such Subsidiary Guarantor (other than a sale, disposition or other transfer to a Restricted Subsidiary) if such sale, disposition or other transfer is made in compliance with the applicable provisions of this
Indenture; 
  

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 (B) the designation by the Company of such Subsidiary Guarantor as an Unrestricted
Subsidiary in accordance Section 1010 of this Indenture and the definition of “Unrestricted Subsidiary”; 
 (C)
the release or discharge of such Subsidiary Guarantor from its guarantee of Indebtedness under the Senior Credit Facilities or the guarantee that resulted in the obligation of such Subsidiary Guarantor to guarantee the Notes, in each case, if such
Subsidiary Guarantor would not then otherwise be required to guarantee the Notes pursuant to Section 1015 of this Indenture (treating any guarantees of such Subsidiary Guarantor that remain outstanding as incurred at least 30 days prior to such
release), except, in each case, a release or discharge by, or as a result of, payment under such Subsidiary Guarantee or payment in full of the Indebtedness under the Senior Credit Facilities; or 
 (D) the exercise by the Company of its Legal Defeasance of the Notes under Section 1302 of this Indenture or its Covenant Defeasance
of the Notes under Section 1303 of this Indenture or if the Company’s obligations under this Indenture are discharged in accordance with Section 401 of this Indenture; and 
 (2) in the case of clause (1)(A) above, the release of such Subsidiary Guarantor from its guarantee, if any, of and all pledges and
security, if any, granted by such Subsidiary Guarantor in connection with, the Senior Credit Facilities, the Senior PIK Notes and the Senior Subordinated Notes. 
 SECTION 1209. Benefits Acknowledged. Each Subsidiary Guarantor acknowledges that it shall receive direct and indirect benefits from the financing arrangements contemplated by this Indenture and from its
guarantee and waivers pursuant to its Subsidiary Guarantees under this Article Twelve. 
 ARTICLE THIRTEEN 
 LEGAL DEFEASANCE AND COVENANT DEFEASANCE 
 SECTION 1301. Company’s Option to Effect Legal Defeasance or Covenant Defeasance. The Company may, at its option, and at any time, elect to have either Section 1302 or Section 1303 be applied to all Outstanding Notes
upon compliance with the conditions set forth below in this Article Thirteen. 
 SECTION 1302. Legal Defeasance and Discharge. Upon
the Company’s exercise under Section 1301 of the option applicable to this Section 1302, each of the Company and the Subsidiary Guarantors shall be deemed to have been discharged from its respective obligations with respect to all
Outstanding Notes on the date the conditions set forth in Section 1304 are satisfied (hereinafter, “Legal Defeasance”). For this purpose, such Legal Defeasance means that each of the Company and the Subsidiary Guarantors shall
be deemed to have paid and discharged the entire indebtedness represented by the Outstanding Notes, which shall thereafter be deemed to be “Outstanding” only for the purposes of Section 1305 and the other Sections of this Indenture
referred to in (1) and (2) below, and to have satisfied all its other obligations under such Notes and this Indenture insofar as such Notes and their related Subsidiary Guarantees are concerned (and the Trustee, at the expense of the
Company, shall execute proper instruments acknowledging the same), except for the following which shall survive until otherwise terminated or discharged hereunder: 
 (1) the rights of Holders of Outstanding Notes to receive payments in respect of the principal of (and premium, if any, on) and interest
on such Notes when such payments are due, solely out of the trust created pursuant to this Indenture (as described in Section 1304), 
  

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 (2) the Company’s obligations with respect to such Notes under Sections 303, 304,
305, 1002 and 1003, 
 (3) the rights, powers, trusts, duties and immunities of the Trustee hereunder, and the obligations of
each of the Company and the Subsidiary Guarantors in connection therewith and 
 (4) this Article Thirteen. 
 Subject to compliance with this Article Thirteen, the Company may exercise its option under this Section 1302 notwithstanding the prior exercise of
its option under Section 1303 with respect to the Notes. 
 SECTION 1303. Covenant Defeasance. Upon the Company’s exercise
under Section 1301 of the option applicable to this Section 1303, each of the Company and the Subsidiary Guarantors shall be released from its respective obligations under any covenant contained in Sections 801 and 802 and in Sections 1005
and 1009 through and including 1018 and 1019 with respect to the Outstanding Notes on and after the date the conditions set forth below are satisfied (hereinafter, “Covenant Defeasance”), and the Notes shall thereafter be deemed not
to be “Outstanding” for the purposes of any direction, waiver, consent or declaration or Act of Holders (and the consequences of any thereof) in connection with such covenants, but shall continue to be deemed “Outstanding” for
all other purposes hereunder. For this purpose, such Covenant Defeasance means that, with respect to the Outstanding Notes, the Company or any Subsidiary Guarantor, as applicable, may omit to comply with and shall have no liability in respect of any
term, condition or limitation set forth in any such covenant, whether directly or indirectly, by reason of any reference elsewhere herein to any such covenant or by reason of any reference in any such covenant to any other provision herein or in any
other document and such omission to comply shall not constitute a Default or an Event of Default under Sections 501(3), 501(4), 501(5) and 501(7) and, with respect to only any Significant Subsidiary and not the Company, Section 501(6), but,
except as specified above, the remainder of this Indenture and such Notes shall be unaffected thereby. 
 SECTION 1304. Conditions to
Legal Defeasance or Covenant Defeasance. The following shall be the conditions to application of either Section 1302 or Section 1303 to the Outstanding Notes: 
 (1) the Company shall irrevocably have deposited with the Trustee (or another trustee satisfying the requirements of Section 608 who
shall agree to comply with the provisions of this Article Thirteen applicable to it) in trust for the benefit of Holders of such Notes; (A) cash in U.S. dollars, or (B) non-callable Government Securities, or (C) a combination thereof,
in such amounts as shall be sufficient, in the opinion of a nationally recognized firm of independent public accountants expressed in a written certification thereof delivered to the Trustee, to pay , and which shall be applied by the Trustee (or
other qualifying trustee) to pay, the principal of, premium, if any, and interest due on the Outstanding Notes on the Stated Maturity or Redemption Date, as the case may be; provided that the Trustee shall have been irrevocably instructed to
apply such cash or the proceeds of such Government Securities to said payments with respect to the Notes; before such a deposit, the Company may give to the Trustee, in accordance with Section 1104 hereof, a notice of its election to redeem all
of the Outstanding Notes at a future date in accordance with Article Eleven hereof, which notice shall be irrevocable; such irrevocable redemption notice, if given, shall be given effect in applying the foregoing; 
 (2) in the case of Legal Defeasance, the Company shall have delivered to the Trustee an Opinion of Counsel in the United States reasonably
acceptable to the Trustee confirming that, subject to customary assumptions and exclusions, 
 (A) the Company has received
from, or there has been published by, the United States Internal Revenue Service a ruling, or 
  

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 (B) since the issuance of the Notes, there has been a change in the applicable U.S.
Federal income tax law, 
 in either case to the effect that, and based thereon such Opinion of Counsel in the United States shall confirm
that, subject to customary assumptions and exclusions, the Holders shall not recognize income, gain or loss for U.S. Federal income tax purposes as a result of such Legal Defeasance and shall be subject to U.S. Federal income tax on the same
amounts, in the same manner and at the same times as would have been the case if such Legal Defeasance had not occurred; 
 (3) in the case of Covenant Defeasance, the Company shall have delivered to the Trustee an Opinion of Counsel in the United States reasonably acceptable to the Trustee confirming that, subject to customary assumptions and exclusions, the
Holders shall not recognize income, gain or loss for U.S. Federal income tax purposes as a result of such Covenant Defeasance and shall be subject to such tax on the same amounts, in the same manner and at the same times as would have been the case
if such Covenant Defeasance had not occurred; 
 (4) no Default (other than that resulting from borrowing funds to be applied
to make such deposit and the granting of Liens in connection therewith) shall have occurred and be continuing on the date of such deposit; 
 (5) such Legal Defeasance or Covenant Defeasance shall not result in a breach or violation of, or constitute a default under, any of the Senior Credit Facilities, the Senior PIK Indenture, the Senior PIK Notes, the
Senior Subordinated Indenture, the Senior Subordinated Notes or any other material agreement or instrument (other than this Indenture) to which, the Company or any Subsidiary Guarantor is a party or by which the Company or any Subsidiary Guarantor
is bound; 
 (6) the Company shall have delivered to the Trustee an Officers’ Certificate stating that the deposit was
not made by the Company with the intent of defeating, hindering, delaying or defrauding any creditors of the Company or any Subsidiary Guarantor or others; and 
 (7) the Company shall have delivered to the Trustee an Officers’ Certificate and an Opinion of Counsel in the United States of
America (which Opinion of Counsel may be subject to customary assumptions and exclusions) each stating that all conditions precedent provided for or relating to the Legal Defeasance or the Covenant Defeasance, as the case may be, have been complied
with. 
 Notwithstanding the foregoing, the Opinion of Counsel required by clause (2) above with respect to Legal Defeasance need not be
delivered if all Notes not theretofore delivered to the Trustee for cancellation (A) have become due and payable by reason of the making of a notice of redemption or otherwise, (B) will become due and payable within one year or
(C) are to be called for redemption within one year under arrangements satisfactory to the Trustee for the giving of notice of redemption by the Trustee in the name, and at the expense, of the Company. 
 SECTION 1305. Deposited Money and Government Securities to Be Held in Trust; Other Miscellaneous Provisions. All cash and Government Securities
(including the proceeds thereof) deposited with the Trustee (or other qualifying trustee, collectively for purposes of this Section 1305, the “Qualifying Trustee”) pursuant to Section 1304 in respect of the Outstanding
Notes shall be held in trust and applied by the Qualifying Trustee, in accordance with the provisions of such Notes and this Indenture, to the payment, either directly or through any Paying Agent (including the Company or a Subsidiary acting as its
own Paying Agent) as the Qualifying Trustee may determine, to the Holders of such Notes of all sums due and to become due thereon in respect of principal (and premium, if any) and interest, but such money or Government Securities need not be
segregated from other funds except to the extent required by law. 
 The Company shall pay and indemnify the Qualifying Trustee against any
tax, fee or other charge imposed on or assessed against the Government Securities deposited pursuant to Section 1304 or the principal and interest received in respect thereof other than any such tax, fee or other charge which by law is for the
account of the Holders of the Outstanding Notes. 
  

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 Anything in this Article Thirteen to the contrary notwithstanding, the Qualifying Trustee shall deliver
or pay to the Company from time to time upon Company Request any money or Government Securities held by it as provided in Section 1304 which, in the opinion of a nationally recognized firm of independent public accountants, expressed in a
written certification thereof delivered to the Qualifying Trustee, are in excess of the amount thereof which would then be required to be deposited to effect an equivalent Legal Defeasance or Covenant Defeasance, as applicable, in accordance with
this Article Thirteen. 
 SECTION 1306. Reinstatement. If the Trustee or any Paying Agent is unable to apply any money or Government
Securities in accordance with Section 1305 by reason of any order or judgment of any court or governmental authority enjoining, restraining or otherwise prohibiting such application, then the Company’s and each Subsidiary Guarantor’s
obligations under this Indenture and the Outstanding Notes shall be revived and reinstated as though no deposit had occurred pursuant to Section 1302 or 1303, as the case may be, until such time as the Trustee or Paying Agent is permitted to
apply all such money or Government Securities in accordance with Section 1305; provided, however, that (a) if the Company makes any payment of principal of (or premium, if any) or interest on any Note following the
reinstatement of its obligations, the Company shall be subrogated to the rights of the Holders of such Notes to receive such payment from the money or Government Securities held by the Trustee or Paying Agent; and (b) unless otherwise required
by any legal proceeding or any other order or judgment of any court or governmental authority, the Trustee or Paying Agent (if other than the Company) shall return all such money and Government Securities to the Company promptly after receiving a
written request therefor at any time, if such reinstatement of the Company’s obligations has occurred and continues to be in effect. 
 SECTION 1307. Repayment to Company. Any money deposited with the Trustee or any Paying Agent, or then held by the Company, in trust for the payment of the principal of, premium and Additional Interest, if any, or interest on any Note
and remaining unclaimed for two years after such principal, and premium and Additional Interest, if any, or interest has become due and payable shall be paid to the Company on its request or (if then held by the Company) shall be discharged from
such trust; and the Holder of such Note shall thereafter look only to the Company for payment thereof, and all liability of the Trustee or such Paying Agent with respect to such trust money, and all liability of the Company as trustee thereof, shall
thereupon cease. 
  

 -85- 








 IN WITNESS WHEREOF, the parties hereto have caused this Indenture to be duly executed as of the day and
year first above written. 
  

			
	ALERIS INTERNATIONAL, INC.
		
	By:	 	 /s/ Michael D. Friday

		 	Name: Michael D. Friday
		 	Title: Executive Vice President and CFO


  

 S-1 









			
	ALCHEM ALUMINUM, INC.
	ALCHEM ALUMINUM SHELBYVILLE INC.
	 ALERIS ALUMINUM EUROPE, INC.
(F/K/A HOOGOVENS ALUMINIUM EUROPE INC.)

	 ALERIS ALUMINUM U.S. SALES, INC.
(F/K/A CORUS ALUMINIUM CORP.)

	 ALERIS BLANKING AND RIM PRODUCTS, INC.
(F/K/A INDIANA ALUMINUM INC.)

	ALERIS, INC.
	ALERIS LIGHT GAUGE PRODUCTS, INC.
	ALERIS NEVADA MANAGEMENT, INC.
	ALERIS OHIO MANAGEMENT, INC.
	ALSCO HOLDINGS, INC.
	ALSCO METALS CORPORATION
	ALUMITECH, INC.
	ALUMITECH OF CLEVELAND, INC.
	ALUMITECH OF WABASH, INC.
	ALUMITECH OF WEST VIRGINIA, INC.
	AWT PROPERTIES, INC.
	 COMMONWEALTH ALUMINUM CONCAST, INC.

	 COMMONWEALTH ALUMINUM SALES CORPORATION

	COMMONWEALTH FINANCING CORP.
	COMMONWEALTH INDUSTRIES, INC.
	ETS SCHAEFER CORPORATION
	GULF REDUCTION CORPORATION
	IMCO INTERNATIONAL, INC.
	IMCO INVESTMENT COMPANY
	IMCO RECYCLING OF CALIFORNIA, INC.
	IMCO RECYCLING OF IDAHO INC.
	IMCO RECYCLING OF ILLINOIS INC.
	IMCO RECYCLING OF INDIANA INC.
	IMCO RECYCLING OF OHIO INC.
	IMCO RECYCLING OF UTAH INC.
	IMCO RECYCLING SERVICES COMPANY
	IMSAMET, INC.
	INTERAMERICAN ZINC, INC.
	METALCHEM, INC.
	MIDWEST ZINC CORPORATION
	ROCK CREEK ALUMINUM, INC.
	SILVER FOX HOLDING COMPANY
	U.S. ZINC CORPORATION
	U.S. ZINC EXPORT CORPORATION
	WESTERN ZINC CORPORATION
		
	By:	 	 /s/ Michael D. Friday

		 	Name: Michael D. Friday
		 	Title: President


  

 S-2 









			
	CA LEWISPORT, LLC
	By: Commonwealth Industries, Inc., its sole member
		
	By:	 	 /s/ Michael D. Friday

		 	Name: Michael D. Friday
		 	Title: President
	
	CI HOLDINGS, LLC
	By: Commonwealth Industries, Inc., its sole member
		
	By:	 	 /s/ Michael D. Friday

		 	Name: Michael D. Friday
		 	Title: President
	
	COMMONWEALTH ALUMINUM, LLC
	By: Commonwealth Aluminum Concast, Inc., its sole member
		
	By:	 	 /s/ Michael D. Friday

		 	Name: Michael D. Friday
		 	Title: President
	
	COMMONWEALTH ALUMINUM LEWISPORT, LLC
	By: CA Lewisport, LLC, its managing member
	By: Commonwealth Aluminum Concast, Inc., its sole member
		
	By:	 	 /s/ Michael D. Friday

		 	Name: Michael D. Friday
		 	Title: President
	
	COMMONWEALTH ALUMINUM METALS, LLC
	By: Commonwealth Aluminum Lewisport, LLC, its sole member
	By: CA Lewisport, LLC, its managing member
	By: Commonwealth Aluminum Concast, Inc., its sole member
		
	By:	 	 /s/ Michael D. Friday

		 	Name: Michael D. Friday
		 	Title: President


  

 S-3 









			
	COMMONWEALTH ALUMINUM TUBE ENTERPRISES, LLC
	By: Commonwealth Aluminum Concast, Inc., its sole member
		
	By:	 	 /s/ Michael D. Friday

		 	Name: Michael D. Friday
		 	Title: President
	
	IMCO MANAGEMENT PARTNERSHIP L.P.
	By: Aleris International, Inc., its general partner
		
	By:	 	 /s/ Michael D. Friday

		 	Name: Michael D. Friday
		 	Title: Executive Vice President and CEO
	
	IMCO INDIANA PARTNERSHIP L.P.
	By: IMCO Energy Corp., its general partner
		
	By:	 	 /s/ Michael D. Friday

		 	Name: Michael D. Friday
		 	Title: President
	
	IMCO RECYCLING OF MICHIGAN L.L.C.
	By: Aleris International, Inc., its manager
		
	By:	 	 /s/ Michael D. Friday

		 	Name: Michael D. Friday
		 	Title: Executive Vice President and CEO
	
	WABASH ALLOYS, L.L.C.
	By: Alchem Aluminum Shelbyville, Inc., its Manager
		
	By:	 	 /s/ Michael D. Friday

		 	Name: Michael D. Friday
		 	Title: President


  

 S-4 









			
	 LASALLE BANK NATIONAL ASSOCIATION,
as Trustee

		
	 By:
	 	 /s/ Frank A. Pierson

		 	Name: Frank A. Pierson
		 	Title: Assistant Vice President


  

 S-5 








 SCHEDULE I 
 Subsidiary Guarantors 
 ALCHEM ALUMINUM, INC. 
 ALCHEM ALUMINUM SHELBYVILLE INC. 
 ALERIS ALUMINUM EUROPE, INC. (F/K/A HOOGOVENS ALUMINIUM EUROPE INC.) 
 ALERIS ALUMINUM U.S. SALES, INC. (F/K/A CORUS ALUMINIUM CORP.) 
 ALERIS
BLANKING AND RIM PRODUCTS, INC. (F/K/A INDIANA ALUMINUM INC.) 
 ALERIS, INC. 
 ALERIS LIGHT GAUGE PRODUCTS, INC. 
 ALERIS NEVADA MANAGEMENT, INC. 
 ALERIS OHIO MANAGEMENT, INC. 
 ALSCO HOLDINGS, INC. 
 ALSCO METALS CORPORATION 
 ALUMITECH, INC. 
 ALUMITECH OF CLEVELAND, INC. 
 ALUMITECH OF WABASH, INC. 
 ALUMITECH OF WEST VIRGINIA, INC. 
 AWT PROPERTIES, INC. 
 COMMONWEALTH ALUMINUM CONCAST, INC. 
 COMMONWEALTH ALUMINUM SALES CORP.

 COMMONWEALTH FINANCING CORPORATION 
 COMMONWEALTH INDUSTRIES,
INC. 
 ETS SCHAEFER CORPORATION 
 GULF REDUCTION CORPORATION

 IMCO INTERNATIONAL, INC. 
 IMCO INVESTMENT COMPANY 

IMCO RECYCLING OF CALIFORNIA, INC. 
 IMCO RECYCLING OF IDAHO INC.

 IMCO RECYCLING OF ILLINOIS INC. 
 IMCO RECYCLING OF INDIANA
INC. 
 IMCO RECYCLING OF OHIO INC. 
 IMCO RECYCLING OF UTAH INC.

 IMCO RECYCLING SERVICES COMPANY 
 IMSAMET, INC. 
 INTERAMERICAN ZINC, INC. 
 METALCHEM, INC. 
 MIDWEST ZINC CORPORATION 
 ROCK CREEK ALUMINUM, INC. 
 SILVER FOX HOLDING COMPANY 
 U.S. ZINC CORPORATION 
 U.S. ZINC EXPORT CORPORATION 
 WESTERN ZINC CORPORATION 
 CA LEWISPORT, LLC 
 CI HOLDINGS, LLC 
 COMMONWEALTH ALUMINUM, LLC 
 COMMONWEALTH ALUMINUM LEWISPORT, LLC 

COMMONWEALTH ALUMINUM METALS, LLC 
  

 S-6 








 COMMONWEALTH ALUMINUM TUBE ENTERPRISES, LLC 
 IMCO MANAGEMENT PARTNERSHIP L.P. 
 IMCO INDIANA PARTNERSHIP L.P. 
 IMCO RECYCLING OF MICHIGAN L.L.C. 
 WABASH ALLOYS, L.L.C. 
  

 S-7 








 Rule 144A / Regulation S Appendix 
 PROVISIONS RELATING TO INITIAL NOTES, 
 PRIVATE EXCHANGE NOTES 
 AND EXCHANGE NOTES 
  

	1.	Definitions 

  

	 	1.1	Definitions. 

 For the purposes of this Appendix the
following terms shall have the meanings indicated below: 
 “Applicable Procedures” means, with respect to any transfer or
transaction involving a Temporary Regulation S Global Note or beneficial interest therein, the rules and procedures of the Depository for such a Temporary Regulation S Global Note, to the extent applicable to such transaction and as in effect from
time to time. 
 “Certificated Note” means a certificated Initial Note or Exchange Note or Private Exchange Note (other than a
Global Note) bearing, if required, the appropriate restricted notes legend set forth in Section 2.3(e) of this Appendix. 
 “Depository” means The Depository Trust Company, its nominees and their respective successors. 
 “Distribution
Compliance Period,” with respect to any Notes, means the period of 40 consecutive days beginning on and including the later of (i) the day on which such Notes are first offered to Persons other than distributors (as defined in Regulation S
under the Securities Act) in reliance on Regulation S and (ii) the issue date with respect to such Notes. 
 “Exchange Notes”
means (1) the 9% Senior Notes Due 2014 issued pursuant to the Indenture in connection with a Registered Exchange Offer pursuant to a Registration Rights Agreement and (2) Additional Notes, if any, issued pursuant to a registration
statement filed with the SEC under the Securities Act. 
 “Initial Notes” means (1) $105,379,000 aggregate principal amount of
9% Senior Notes Due 2014 issued on the Issue Date and (2) Additional Notes, if any, issued in a transaction exempt from the registration requirements of the Securities Act. 
 “Initial Purchaser” means (1) with respect to the Initial Notes issued on the Issue Date, Deutsche Bank Securities Inc. and (2) with
respect to each issuance of Additional Notes, the Persons purchasing such Additional Notes under the related Purchase Agreement. 
 “Notes” means the Initial Notes, any Additional Notes, the Exchange Notes and the Private Exchange Notes, treated as a single class. 
 “Notes Custodian” means the custodian with respect to a Global Note (as appointed by the Depository), or any successor Person thereto and shall initially be the Trustee. 
 “Private Exchange” means the offer by the Company, pursuant to a Registration Rights Agreement, to the Initial Purchaser to issue and deliver
to the Initial Purchaser, in exchange for the Initial Notes held by the Initial Purchaser as part of its initial distribution, a like aggregate principal amount of Private Exchange Notes. 
 “Private Exchange Notes” means any 9% Senior Notes Due 2014 issued in connection with a Private Exchange. 
 “Purchase Agreement” means (1) with respect to the Initial Notes issued on the Issue Date, the Purchase Agreement dated September 11,
2007, among the Company and the Initial Purchaser, and (2) with respect to each issuance of Additional Notes, the purchase agreement or underwriting agreement among the Company and the Persons purchasing such Additional Notes. 







 “QIB” means a “qualified institutional buyer” as defined in Rule 144A. 
 “Registered Exchange Offer” means the offer by the Company, pursuant to a Registration Rights Agreement, to certain Holders of Initial Notes,
to issue and deliver to such Holders, in exchange for the Initial Notes, a like aggregate principal amount of Exchange Notes registered under the Securities Act. 
 “Registration Rights Agreement” means (1) with respect to the Initial Notes issued on the Issue Date, the Registration Rights Agreement dated September 11, 2007, among the Company, the Subsidiary
Guarantors and the Initial Purchaser and (2) with respect to each issuance of Additional Notes issued in a transaction exempt from the registration requirements of the Securities Act, the registration rights agreement, if any, among the Company
and the Persons purchasing such Additional Notes under the related Purchase Agreement. 
 “Representative” means Deutsche Bank
Securities Inc. as representative of the Initial Purchaser. 
 “Rule 144A Notes” means all Notes offered and sold to QIBs in
reliance on Rule 144A. 
 “Securities Act” means the Securities Act of 1933, as amended. 
 “Shelf Registration Statement” means the registration statement issued by the Company in connection with the offer and sale of Initial Notes or
Private Exchange Notes pursuant to a Registration Rights Agreement. 
 “Transfer Restricted Notes” means Notes that bear or are
required to bear the legend relating to restrictions on transfer relating to the Securities Act set forth in Section 2.3(e) hereto. 
  

	 	1.2	Other Definitions. 

  

				
	 Term
	  	Defined in
Section:	 
	 “Agent Members”
	  	2.1	(b)
	 “Global Notes”
	  	2.1	(a)
	 “Permanent Regulation S Global Note”
	  	2.1	(a)
	 “Regulation S”
	  	2.1	(a)
	 “Regulation S Global Note”
	  	2.1	(a)
	 “Rule 144A”
	  	2.1	(a)
	 “Rule 144A Global Note”
	  	2.1	(a)
	 “Temporary Regulation S Global Note”
	  	2.1	(a)

 1.3 Capitalized terms used in this Appendix, but not defined, have the meanings ascribed to such
terms in the Indenture to which this Appendix is attached. 
  

	2.	The Notes. 

 2.1 (a) Form and Dating. The
Initial Notes shall be offered and sold by the Company pursuant to the Purchase Agreement. The Initial Notes shall be resold initially only to (i) QIBs in reliance on Rule 144A under the Securities Act (“Rule 144A”) and
(ii) Persons other than U.S. Persons (as defined in Regulation S) in reliance on Regulation S under the Securities Act (“Regulation S”). Initial Notes may thereafter be transferred to, among others, QIBs and purchasers in reliance on
Regulation S, subject to the restrictions on transfer set forth herein. Initial Notes initially resold pursuant to Rule 144A shall be issued initially in the form of one or more permanent global Notes in definitive, fully registered form
(collectively, the “Rule 144A Global Note”); and Initial Notes initially resold pursuant to Regulation S shall be issued initially in the form of one or more temporary global notes in fully registered form (collectively, the
“Temporary Regulation S Global Note”), in each case without interest coupons and with the global notes legend and the applicable restricted notes legend set forth in Exhibit 1 hereto, which shall be 

  

 S-2 








 
deposited on behalf of the purchasers of the Initial Notes represented thereby with the Notes Custodian and registered in the name of the Depository or a
nominee of the Depository, duly executed by the Company and authenticated by the Trustee as provided in this Indenture. Except as set forth in this Section 2.1(a), beneficial ownership interests in the Temporary Regulation S Global Note shall
be held only through the Euroclear System (“Euroclear”) and Clearstream Banking, S.A. (“Clearstream”) (as indirect participants in the Depository) and shall not be exchangeable for interests in the Rule 144A Global Note, a
permanent Regulation S global note in fully registered form (the “Permanent Regulation S Global Note,” and together with the Temporary Regulation S Global Note, the “Regulation S Global Note”) or any other Note prior to the
expiration of the Distribution Compliance Period and then, after the expiration of the Distribution Compliance Period, may be exchanged for interests in a Rule 144A Global Note or the Permanent Regulation S Global Note only upon certification in the
form attached hereto as Exhibit 3 or otherwise in a form reasonably satisfactory to the Trustee that beneficial ownership interests in such Temporary Regulation S Global Note are owned either by Non-U.S. Persons or U.S. Persons who purchased such
interests in a transaction that is exempt from the registration requirements under the Securities Act. 
 Prior to the expiration of the
Distribution Compliance Period, beneficial interests in Temporary Regulation S Global Notes may be exchanged for interests in Rule 144A Global Notes if (1) such exchange occurs in connection with a transfer of Notes in compliance with Rule 144A
and (2) the transferor of the beneficial interest in the Temporary Regulation S Global Note first delivers to the Trustee a written certificate (in a form substantially similar to that attached hereto as Exhibit 2) to the effect that the
beneficial interest in the Temporary Regulation S Global Note is being transferred (a) to a Person who the transferor reasonably believes to be a QIB that is purchasing for its own account or the account of a QIB in a transaction meeting the
requirements of Rule 144A, and (b) in accordance with all applicable securities laws of the States of the United States and other jurisdictions. 
 Beneficial interests in a Rule 144A Global Note may be transferred to a Person who takes delivery in the form of an interest in a Regulation S Global Note, whether before or after the expiration of the Distribution
Compliance Period, only if the transferor first delivers to the Trustee a written certificate (in a form substantially similar to that attached hereto as Exhibit 2) to the effect that such transfer is being made in accordance with Rule 903 or 904 of
Regulation S or Rule 144 (if applicable). 
 The Rule 144A Global Note, the Temporary Regulation S Global Note and the Permanent Regulation S
Global Note are collectively referred to herein as “Global Notes.” The aggregate principal amount of the Global Notes may from time to time be increased or decreased by adjustments made on the records of the Trustee and the Depository or
its nominee as hereinafter provided. 
 (b) Book-Entry Provisions. This Section 2.1(b) shall apply only to a Global Note
deposited with or on behalf of the Depository. 
 The Company shall execute and the Trustee shall, in accordance with this
Section 2.1(b), authenticate and deliver initially one or more Global Notes that (a) shall be registered in the name of the Depository or the nominee of the Depository and (b) shall be delivered by the Trustee to the Depository or
pursuant to the Depository’s instructions or held by the Trustee as custodian for the Depository. 
 Members of, or participants in, the
Depository (“Agent Members”) shall have no rights under this Indenture with respect to any Global Note held on their behalf by the Depository or by the Trustee as the custodian of the Depository or under such Global Note, and the Company,
the Trustee and any agent of the Company or the Trustee shall be entitled to treat the Depository as the absolute owner of such Global Note for all purposes whatsoever. Notwithstanding the foregoing, nothing herein shall prevent the Company, the
Trustee or any agent of the Company or the Trustee from giving effect to any written certification, proxy or other authorization furnished by the Depository or impair, as between the Depository and its Agent Members, the operation of customary
practices of such Depository governing the exercise of the rights of a Holder of a beneficial interest in any Global Note. 
 (c)
Certificated Notes. Except as provided in this Section 2.1 or Section 2.3 or 2.4, owners of beneficial interests in Global Notes shall not be entitled to receive physical delivery of Certificated Notes. 
 2.2 Authentication. The Trustee shall upon receipt of a Company Order specified in Section 202 of the Indenture authenticate and deliver:
(1) on the Issue Date, an aggregate principal amount of $105,379,000 9% 

  

 S-3 








 
Senior Notes Due 2014, (2) any Additional Notes for an original issue in an aggregate principal amount specified in the written order of the Company
pursuant to Section 202 of the Indenture and (3) Exchange Notes or Private Exchange Notes for issue only in a Registered Exchange Offer or a Private Exchange, respectively, pursuant to a Registration Rights Agreement, for a like principal
amount of Initial Notes, in each case upon a Company Order signed by two Officers or by an Officer and either an Assistant Treasurer or an Assistant Secretary of the Company. Such Company Order shall specify the amount of the Notes to be
authenticated and the date on which the original issue of Notes is to be authenticated and, in the case of any issuance of Additional Notes pursuant to Section 312 of the Indenture, shall certify that such issuance is in compliance with
Section 1011 of the Indenture. 
  

	 	2.3	Transfer and Exchange. 

 (a) Transfer and
Exchange of Certificated Notes. When Certificated Notes are presented to the Note Registrar with a request: 
 (x) to
register the transfer of such Certificated Notes; or 
 (y) to exchange such Certificated Notes for an equal principal amount
of Certificated Notes of other authorized denominations, 
 the Note Registrar shall register the transfer or make the exchange as requested if its
reasonable requirements for such transaction are met; provided, however, that the Certificated Notes surrendered for transfer or exchange: 
 (i) shall be duly endorsed or accompanied by a written instrument of transfer in form reasonably satisfactory to the Company and the Note Registrar, duly executed by the Holder thereof or its attorney duly authorized
in writing; and 
 (ii) if such Certificated Notes are required to bear a restricted notes legend, they are being transferred
or exchanged pursuant to an effective registration statement under the Securities Act, pursuant to Section 2.3(b) or pursuant to clause (A), (B) or (C) below, and are accompanied by the following additional information and documents,
as applicable: 
 (A) if such Certificated Notes are being delivered to the Note Registrar by a Holder for registration in the
name of such Holder, without transfer, a certification from such Holder to that effect; or 
 (B) if such Certificated Notes
are being transferred to the Company, a certification to that effect; or 
 (C) if such Certificated Notes are being
transferred (x) pursuant to an exemption from registration in accordance with Rule 144A, Regulation S or Rule 144 under the Securities Act; or (y) in reliance upon another exemption from the requirements of the Securities Act: (i) a
certification to that effect (in the form set forth on the reverse of the Note) and (ii) if the Company so requests, an Opinion of Counsel or other evidence reasonably satisfactory to it as to the compliance with the restrictions set forth in
the legend set forth in Section 2.3(e)(i). 
 (b) Restrictions on Transfer of a Certificated Note for a Beneficial Interest in a
Global Note. A Certificated Note may not be exchanged for a beneficial interest in a Rule 144A Global Note or a Permanent Regulation S Global Note except upon satisfaction of the requirements set forth below. Upon receipt by the Trustee of a
Certificated Note, duly endorsed or accompanied by appropriate instruments of transfer, in form satisfactory to the Trustee, together with: 
 (i) certification, in a form substantially similar to that attached hereto as Exhibit 2, that such Certificated Note is either (A) being transferred to a QIB in accordance with Rule 144A or (B) being
transferred after expiration of the Distribution Compliance Period by a Person who initially purchased such Note in reliance on Regulation S to a buyer who elects to hold its interest in such Note in the form of a beneficial interest in the
Permanent Regulation S Global Note; and 
  

 S-4 








 (ii) written instructions directing the Trustee to make, or to direct the Notes Custodian
to make, an adjustment on its books and records with respect to such Rule 144A Global Note (in the case of a transfer pursuant to clause (b)(i)(A)) or Permanent Regulation S Global Note (in the case of a transfer pursuant to clause (b)(i)(B)) to
reflect an increase in the aggregate principal amount of the Notes represented by the Rule 144A Global Note or Permanent Regulation S Global Note, as applicable, such instructions to contain information regarding the Depository account to be
credited with such increase, then the Trustee shall cancel such Certificated Note and cause, or direct the Notes Custodian to cause, in accordance with the standing instructions and procedures existing between the Depository and the Notes Custodian,
the aggregate principal amount of Notes represented by the Rule 144A Global Note or Permanent Regulation S Global Note, as applicable, to be increased by the aggregate principal amount of the Certificated Note to be exchanged and shall credit or
cause to be credited to the account of the Person specified in such instructions a beneficial interest in the Rule 144A Global Note or Permanent Regulation S Global Note, as applicable, equal to the principal amount of the Certificated Note so
canceled. If no Rule 144A Global Notes or Permanent Regulation S Global Notes, as applicable, are then outstanding, the Company shall issue and the Trustee shall authenticate, upon receipt of a Company Order, a new Rule 144A Global Note or Permanent
Regulation S Global Note, as applicable, in the appropriate principal amount. 
 (c) Transfer and Exchange of Global Notes.

 (i) The transfer and exchange of Global Notes or beneficial interests therein shall be effected through the Depository, in accordance with
this Indenture (including applicable restrictions on transfer set forth herein, if any) and the procedures of the Depository therefor. A transferor of a beneficial interest in a Global Note shall deliver to the Note Registrar a written order given
in accordance with the Depository’s procedures containing information regarding the participant account of the Depository to be credited with a beneficial interest in the Global Note. The Note Registrar shall, in accordance with such
instructions instruct the Depository to credit to the account of the Person specified in such instructions a beneficial interest in the Global Note and to debit the account of the Person making the transfer of the beneficial interest in the Global
Note being transferred. 
 (ii) If the proposed transfer is a transfer of a beneficial interest in one Global Note to a beneficial interest
in another Global Note, the Note Registrar shall reflect on its books and records the date and an increase in the principal amount of the Global Note to which such interest is being transferred in an amount equal to the principal amount of the
interest to be so transferred, and the Note Registrar shall reflect on its books and records the date and a corresponding decrease in the principal amount of the Global Note from which such interest is being transferred. 
 (iii) Notwithstanding any other provisions of this Appendix (other than the provisions set forth in Section 2.4), a Global Note may not be
transferred as a whole except by the Depository to a nominee of the Depository or by a nominee of the Depository to the Depository or another nominee of the Depository or by the Depository or any such nominee to a successor Depository or a nominee
of such successor Depository. 
 (iv) In the event that Global Note is exchanged for Certificated Notes pursuant to Section 2.4 of this
Appendix, prior to the consummation of a Registered Exchange Offer or the effectiveness of a Shelf Registration Statement with respect to such Notes, such Notes may be exchanged only in accordance with such procedures as are substantially consistent
with the provisions of this Section 2.3 (including the certification requirements set forth on the reverse of the Initial Notes (as set forth in Exhibit 2, hereto) intended to ensure that such transfers comply with Rule 144A, Regulation S or
another applicable exemption under the Securities Act, as the case may be) and such other procedures as may from time to time be adopted by the Company. 
 (d) Restrictions on Transfer of Temporary Regulation S Global Notes. During the Distribution Compliance Period, beneficial ownership interests in Temporary Regulation S Global Notes may only be sold, pledged or
transferred in accordance with the Applicable Procedures and only (i) to the Company, (ii) in an offshore transaction in accordance with Regulation S (other than a transaction resulting in an exchange for an interest in a Permanent
Regulation S Global Note), (iii) pursuant to an effective registration statement under the Securities Act, in each case in accordance with any applicable securities laws of any State of the United States. 
  

 S-5 








 (e) Legend. 
 (i) Except as permitted by the following paragraphs (ii), (iii) and (iv), each Note certificate evidencing the Global Notes (and all Notes issued in exchange therefor or in substitution thereof), in the case of
Notes offered otherwise than in reliance on Regulation S shall bear a legend in substantially the following form: 
 THIS
SECURITY HAS NOT BEEN REGISTERED UNDER THE U.S. SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), AND, ACCORDINGLY, MAY NOT BE OFFERED OR SOLD WITHIN THE UNITED STATES OR TO, OR FOR THE ACCOUNT OR BENEFIT OF, U.S. PERSONS EXCEPT
AS SET FORTH BELOW. BY ITS ACQUISITION HEREOF, THE HOLDER (1) REPRESENTS THAT (A) IT IS A “QUALIFIED INSTITUTIONAL BUYER” (AS DEFINED IN RULE 144A UNDER THE SECURITIES ACT) OR (B) IT IS NOT A U.S. PERSON AND IS ACQUIRING
THIS SECURITY IN AN OFFSHORE TRANSACTION IN COMPLIANCE WITH RULE 904 UNDER THE SECURITIES ACT, (2) AGREES THAT IT WILL NOT WITHIN TWO YEARS AFTER THE ORIGINAL ISSUANCE OF THIS SECURITY RESELL OR OTHERWISE TRANSFER THIS SECURITY EXCEPT
(A) TO ALERIS INTERNATIONAL, INC. (THE “COMPANY”) OR ANY SUBSIDIARY THEREOF, (B) INSIDE THE UNITED STATES TO A QUALIFIED INSTITUTIONAL BUYER IN COMPLIANCE WITH RULE 144A UNDER THE SECURITIES ACT, (C) INSIDE THE UNITED STATES
TO AN ACCREDITED INVESTOR (AS DEFINED IN RULE 501(a)(1), (2), (3), OR (7) UNDER THE SECURITIES ACT) (AN “ACCREDITED INVESTOR”) THAT, PRIOR TO SUCH TRANSFER, FURNISHES (OR HAS FURNISHED ON ITS BEHALF BY A U.S. BROKER-DEALER) TO THE
TRUSTEE A SIGNED LETTER CONTAINING CERTAIN REPRESENTATIONS AND AGREEMENTS RELATING TO THE RESTRICTIONS ON TRANSFER OF THIS SECURITY (THE FORM OF WHICH LETTER CAN BE OBTAINED FROM THE TRUSTEE FOR THIS SECURITY), (D) OUTSIDE THE UNITED STATES IN
AN OFFSHORE TRANSACTION IN COMPLIANCE WITH RULE 904 UNDER THE SECURITIES ACT, (E) PURSUANT TO THE EXEMPTION FROM REGISTRATION PROVIDED BY RULE 144 UNDER THE SECURITIES ACT (IF AVAILABLE), (F) IN ACCORDANCE WITH ANOTHER EXEMPTION FROM THE
REGISTRATION REQUIREMENTS OF THE SECURITIES ACT (AND BASED UPON AN OPINION OF COUNSEL IF THE COMPANY SO REQUESTS) OR (G) PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT UNDER THE SECURITIES ACT AND (3) AGREES THAT IT WILL GIVE TO EACH
PERSON TO WHOM THIS SECURITY IS TRANSFERRED A NOTICE SUBSTANTIALLY TO THE EFFECT OF THIS LEGEND. IN CONNECTION WITH ANY TRANSFER OF THIS SECURITY WITHIN TWO YEARS AFTER THE ORIGINAL ISSUANCE OF THIS SECURITY, IF THE PROPOSED TRANSFEREE IS AN
ACCREDITED INVESTOR, THE HOLDER MUST, PRIOR TO SUCH TRANSFER, FURNISH TO THE TRUSTEE AND THE COMPANY SUCH CERTIFICATIONS, LEGAL OPINIONS OR OTHER INFORMATION AS EITHER OF THEM MAY REASONABLY REQUIRE TO CONFIRM THAT SUCH TRANSFER IS BEING MADE
PURSUANT TO AN EXEMPTION FROM, OR IN A TRANSACTION NOT SUBJECT TO, THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT. AS USED HEREIN, THE TERMS “OFFSHORE TRANSACTION,” “UNITED STATES” AND “U.S. PERSON” HAVE THE
MEANING GIVEN TO THEM BY REGULATION S UNDER THE SECURITIES ACT. 
 Each certificate evidencing a Note offered in reliance on Regulation S
shall, in addition to the foregoing, bear a legend in substantially the following form: 
 THIS SECURITY WAS ORIGINALLY ISSUED
IN A TRANSACTION ORIGINALLY EXEMPT FROM REGISTRATION UNDER THE U.S. SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), AND MAY NOT BE TRANSFERRED IN THE UNITED STATES OR TO, OR FOR THE ACCOUNT OR BENEFIT OF, ANY U.S. PERSON EXCEPT
PURSUANT TO AN AVAILABLE EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT AND ALL APPLICABLE STATE SECURITIES LAWS. TERMS USED ABOVE HAVE THE MEANINGS GIVEN TO THEM IN REGULATION S UNDER THE SECURITIES ACT. 
  

 S-6 








 Each Certificated Note shall also bear the following additional legend: 
 IN CONNECTION WITH ANY TRANSFER, THE HOLDER WILL DELIVER TO THE NOTE REGISTRAR AND TRANSFER AGENT SUCH CERTIFICATES AND OTHER INFORMATION
AS SUCH TRANSFER AGENT MAY REASONABLY REQUIRE TO CONFIRM THAT THE TRANSFER COMPLIES WITH THE FOREGOING RESTRICTIONS. 
 (ii) Upon any sale or
transfer of a Transfer Restricted Note (including any Transfer Restricted Note represented by a Global Note) pursuant to Rule 144 under the Securities Act, the Note Registrar shall permit the transferee thereof to exchange such Transfer Restricted
Note for a certificated Note that does not bear the legend set forth above and rescind any restriction on the transfer of such Transfer Restricted Note, if the transferor thereof certifies in writing to the Note Registrar that such sale or transfer
was made in reliance on Rule 144 (such certification to be in the form set forth on the reverse of the Note). 
 (iii) After a transfer of
any Initial Notes or Private Exchange Notes pursuant to and during the period of the effectiveness of a Shelf Registration Statement with respect to such Initial Notes or Private Exchange Notes, as the case may be, all requirements pertaining to
legends on such Initial Note or such Private Exchange Note shall cease to apply, the requirements requiring any such Initial Note or such Private Exchange Note issued to certain Holders be issued in global form shall cease to apply, and a
certificated Initial Note or Private Exchange Note or an Initial Note or Private Exchange Note in global form, in each case without restrictive transfer legends, shall be available to the transferee of the Holder of such Initial Notes or Private
Exchange Notes upon exchange of such transferring Holder’s certificated Initial Note or Private Exchange Note or directions to transfer such Holder’s interest in the Global Note, as applicable. 
 (iv) Upon the consummation of a Registered Exchange Offer with respect to the Initial Notes, all requirements pertaining to such Initial Notes that
Initial Notes issued to certain Holders be issued in global form shall still apply with respect to Holders of such Initial Notes that do not exchange their Initial Notes, and Exchange Notes in certificated or global form, in each case without the
restricted notes legend set forth in Exhibit 1 hereto shall be available to Holders that exchange such Initial Notes in such Registered Exchange Offer. 
 (v) Upon the consummation of a Private Exchange with respect to the Initial Notes, all requirements pertaining to such Initial Notes that Initial Notes issued to certain Holders be issued in global form shall still
apply with respect to Holders of such Initial Notes that do not exchange their Initial Notes, and Private Exchange Notes in global form with the global notes legend and the applicable restricted notes legend set forth in Exhibit 1 hereto shall be
available to Holders that exchange such Initial Notes in such Private Exchange. 
 (f) Cancellation or Adjustment of Global Note. At
such time as all beneficial interests in a Global Note have been exchanged for Certificated Notes, redeemed, purchased or canceled, such Global Note shall be returned to the Depository for cancellation or retained and canceled by the Trustee. At any
time prior to such cancellation, if any beneficial interest in a Global Note is exchanged for certificated Notes, redeemed, purchased or canceled, the principal amount of Notes represented by such Global Note shall be reduced and an adjustment shall
be made on the books and records of the Trustee (if it is then the Notes Custodian for such Global Note) with respect to such Global Note, by the Trustee or the Notes Custodian, to reflect such reduction. 
  

	 	(g)	No Obligation of the Trustee. 

 (i) The Trustee
shall have no responsibility or obligation to any beneficial owner of a Global Note, a member of, or a participant in the Depository or other Person with respect to the accuracy of the records of the Depository or its nominee or of any participant
or member thereof, with respect to any ownership interest in the Notes or with respect to the delivery to any participant, member, beneficial owner or other Person (other than the Depository) of any notice (including any notice of redemption) or the
payment of any amount, under or with respect to such Notes. All notices and communications to be given to the Holders and all payments to be made to Holders under the 

  

 S-7 








 
Notes shall be given or made only to or upon the order of the registered Holders (which shall be the Depository or its nominee in the case of a Global Note).
The rights of beneficial owners in any Global Note shall be exercised only through the Depository subject to the applicable rules and procedures of the Depository. The Trustee may rely and shall be fully protected in relying upon information
furnished by the Depository with respect to its members, participants and any beneficial owners. 
 (ii) The Trustee shall have no obligation
or duty to monitor, determine or inquire as to compliance with any restrictions on transfer imposed under this Indenture or under applicable law with respect to any transfer of any interest in any Note (including any transfers between or among
Depository participants, members or beneficial owners in any Global Note) other than to require delivery of such certificates and other documentation or evidence as are expressly required by, and to do so if and when expressly required by, the terms
of this Indenture, and to examine the same to determine substantial compliance as to form with the express requirements hereof. 
  

	 	2.4	Certificated Notes. 

 (a) A Global Note deposited
with the Depository or with the Trustee as Notes Custodian for the Depository pursuant to Section 2.1 shall be transferred to the beneficial owners thereof in the form of Certificated Notes in an aggregate principal amount equal to the
principal amount of such Global Note, in exchange for such Global Note, only if such transfer complies with Section 2.3 hereof and (i) the Depository notifies the Company that it is unwilling or unable to continue as depository for such
Global Note and the Depository fails to appoint a successor depository or if at any time such Depository ceases to be a “clearing agency” registered under the Exchange Act, in either case, and a successor depository is not appointed by the
Company within 90 days of such notice, or (ii) a Default has occurred and is continuing or (iii) if requested by a Holder of beneficial interest in a Global Note. 
 (b) Any Global Note that is transferable to the beneficial owners thereof pursuant to this Section 2.4 shall be surrendered by the Depository to the
Trustee located at its principal Corporate Trust Office to be so transferred, in whole or from time to time in part, without charge, and the Trustee shall authenticate and deliver, upon such transfer of each portion of such Global Note, an equal
aggregate principal amount of Certificated Notes of authorized denominations. Any portion of a Global Note transferred pursuant to this Section 2.4 shall be executed, authenticated and delivered only in denominations of $1,000 principal amount
and any integral multiple of $1,000 in excess thereof and registered in such names as the depository shall direct. Any Certificated Note delivered in exchange for an interest in the Transfer Restricted Note shall, except as otherwise provided by
Section 2.3(e) hereof, bear the applicable restricted notes legend and certificated notes legend set forth in Exhibit 1 hereto. 
 (c)
Subject to the provisions of Section 2.4(b) hereof, the registered Holder of a Global Note shall be entitled to grant proxies and otherwise authorize any Person, including Agent Members and Persons that may hold interests through Agent Members,
to take any action which a Holder is entitled to take under this Indenture or the Notes. 
 (d) In the event of the occurrence of one of the
events specified in Section 2.4(a) hereof, the Company shall promptly make available to the Trustee a reasonable supply of Certificated Notes in definitive, fully registered form without interest coupons. In the event that such Certificated
Notes are not issued, the Company expressly acknowledges, with respect to the right of any Holder to pursue a remedy pursuant to this Indenture, including pursuant to Section 507, the right of any beneficial owner of Notes to pursue such remedy
with respect to the portion of the Global Note that represents such beneficial owner’s Notes as if such Certificated Notes had been issued. 
  

 S-8 








 EXHIBIT 1 
 to Rule 144A / Regulation S Appendix 
 [FORM OF FACE OF INITIAL NOTE] 
 [Global Notes Legend] 
 UNLESS THIS
CERTIFICATE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY, A NEW YORK CORPORATION (“DTC”), NEW YORK, NEW YORK, TO THE COMPANY OR ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE OR PAYMENT, AND ANY
CERTIFICATE ISSUED IS REGISTERED IN THE NAME OF CEDE & CO. OR SUCH OTHER NAME AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC (AND ANY PAYMENT IS MADE TO CEDE & CO., OR TO SUCH OTHER ENTITY AS IS REQUESTED BY AN AUTHORIZED
REPRESENTATIVE OF DTC) ANY TRANSFER, PLEDGE OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL INASMUCH AS THE REGISTERED OWNER HEREOF, CEDE & CO., HAS AN INTEREST HEREIN. 
 TRANSFERS OF THIS GLOBAL NOTE SHALL BE LIMITED TO TRANSFERS IN WHOLE, BUT NOT IN PART, TO NOMINEES OF DTC OR TO A SUCCESSOR THEREOF OR SUCH
SUCCESSOR’S NOMINEE AND TRANSFERS OF PORTIONS OF THIS GLOBAL NOTE SHALL BE LIMITED TO TRANSFERS MADE IN ACCORDANCE WITH THE RESTRICTIONS SET FORTH IN THE INDENTURE REFERRED TO ON THE REVERSE HEREOF. 
 [[FOR REGULATION S GLOBAL NOTE ONLY] UNTIL 40 DAYS AFTER THE LATER OF COMMENCEMENT OR COMPLETION OF THE OFFERING, AN OFFER OR SALE OF SECURITIES WITHIN
THE UNITED STATES BY A DEALER (AS DEFINED IN THE SECURITIES ACT) MAY VIOLATE THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT IF SUCH OFFER OR SALE IS MADE OTHERWISE THAN IN ACCORDANCE WITH RULE 144A THEREUNDER.] 
 [Restricted Notes Legend for Notes offered otherwise 
 than in Reliance on Regulation S] 
 THIS SECURITY HAS NOT BEEN REGISTERED UNDER THE U.S. SECURITIES ACT OF 1933, AS AMENDED (THE
“SECURITIES ACT”), AND, ACCORDINGLY, MAY NOT BE OFFERED OR SOLD WITHIN THE UNITED STATES OR TO, OR FOR THE ACCOUNT OR BENEFIT OF, U.S. PERSONS EXCEPT AS SET FORTH BELOW. BY ITS ACQUISITION HEREOF, THE HOLDER (1) REPRESENTS THAT
(A) IT IS A “QUALIFIED INSTITUTIONAL BUYER” (AS DEFINED IN RULE 144A UNDER THE SECURITIES ACT) OR (B) IT IS NOT A U.S. PERSON AND IS ACQUIRING THIS SECURITY IN AN OFFSHORE TRANSACTION IN COMPLIANCE WITH RULE 904 UNDER THE
SECURITIES ACT, (2) AGREES THAT IT WILL NOT WITHIN TWO YEARS AFTER THE ORIGINAL ISSUANCE OF THIS SECURITY RESELL OR OTHERWISE TRANSFER THIS SECURITY EXCEPT (A) TO ALERIS INTERNATIONAL, INC. (THE “COMPANY”) OR ANY SUBSIDIARY
THEREOF, (B) INSIDE THE UNITED STATES TO A QUALIFIED INSTITUTIONAL BUYER IN COMPLIANCE WITH RULE 144A UNDER THE SECURITIES ACT, (C) INSIDE THE UNITED STATES TO AN ACCREDITED INVESTOR (AS DEFINED IN RULE 501(a)(1), (2), (3), OR
(7) UNDER THE SECURITIES ACT) (AN “ACCREDITED INVESTOR”) THAT, PRIOR TO SUCH TRANSFER, FURNISHES (OR HAS FURNISHED ON ITS BEHALF BY A U.S. BROKER-DEALER) TO THE TRUSTEE A SIGNED LETTER CONTAINING CERTAIN REPRESENTATIONS AND AGREEMENTS
RELATING TO THE RESTRICTIONS ON TRANSFER OF THIS SECURITY (THE FORM OF WHICH LETTER CAN BE OBTAINED FROM THE TRUSTEE FOR THIS SECURITY), (D) OUTSIDE THE UNITED STATES IN AN OFFSHORE TRANSACTION IN COMPLIANCE WITH RULE 904 UNDER THE SECURITIES
ACT, (E) PURSUANT TO THE EXEMPTION FROM REGISTRATION PROVIDED BY RULE 144 UNDER THE SECURITIES ACT (IF AVAILABLE), (F) IN ACCORDANCE WITH ANOTHER EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT (AND BASED UPON AN OPINION
OF COUNSEL IF THE COMPANY SO REQUESTS) OR (G) PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT UNDER THE SECURITIES ACT AND (3) AGREES THAT IT WILL GIVE TO EACH PERSON TO WHOM THIS 








 
SECURITY IS TRANSFERRED A NOTICE SUBSTANTIALLY TO THE EFFECT OF THIS LEGEND. IN CONNECTION WITH ANY TRANSFER OF THIS SECURITY WITHIN TWO YEARS AFTER THE
ORIGINAL ISSUANCE OF THIS SECURITY, IF THE PROPOSED TRANSFEREE IS AN ACCREDITED INVESTOR, THE HOLDER MUST, PRIOR TO SUCH TRANSFER, FURNISH TO THE TRUSTEE AND THE COMPANY SUCH CERTIFICATIONS, LEGAL OPINIONS OR OTHER INFORMATION AS EITHER OF THEM MAY
REASONABLY REQUIRE TO CONFIRM THAT SUCH TRANSFER IS BEING MADE PURSUANT TO AN EXEMPTION FROM, OR IN A TRANSACTION NOT SUBJECT TO, THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT. AS USED HEREIN, THE TERMS “OFFSHORE TRANSACTION,”
“UNITED STATES” AND “U.S. PERSON” HAVE THE MEANING GIVEN TO THEM BY REGULATION S UNDER THE SECURITIES ACT. 
 [Restricted
Notes Legend for Notes Offered in Reliance on Regulation S] 
 THIS SECURITY WAS ORIGINALLY ISSUED IN A TRANSACTION ORIGINALLY EXEMPT FROM
REGISTRATION UNDER THE UNITED STATES SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), AND MAY NOT BE TRANSFERRED IN THE UNITED STATES OR TO, OR FOR THE ACCOUNT OR BENEFIT OF, ANY U.S. PERSON EXCEPT PURSUANT TO AN AVAILABLE
EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT AND ALL APPLICABLE STATE SECURITIES LAWS. TERMS USED ABOVE HAVE THE MEANINGS GIVEN TO THEM IN REGULATION S UNDER THE SECURITIES ACT. 
 [Temporary Regulation S Global Note Legend] 
 EXCEPT AS SET FORTH BELOW, BENEFICIAL OWNERSHIP INTERESTS IN THIS TEMPORARY REGULATION S GLOBAL NOTE WILL NOT BE EXCHANGEABLE FOR INTERESTS IN THE PERMANENT REGULATION S GLOBAL NOTE OR ANY OTHER NOTE REPRESENTING AN INTEREST IN THE NOTES
REPRESENTED HEREBY WHICH DO NOT CONTAIN A LEGEND CONTAINING RESTRICTIONS ON TRANSFER, UNTIL THE EXPIRATION OF THE “40-DAY DISTRIBUTION COMPLIANCE PERIOD” (WITHIN THE MEANING OF RULE 903(b)(2) OF REGULATION S UNDER THE SECURITIES ACT) AND
THEN ONLY UPON CERTIFICATION IN FORM REASONABLY SATISFACTORY TO THE TRUSTEE THAT SUCH BENEFICIAL INTERESTS ARE OWNED EITHER BY NON-U.S. PERSONS OR U.S. PERSONS WHO PURCHASED SUCH INTERESTS IN A TRANSACTION THAT DID NOT REQUIRE REGISTRATION UNDER THE
SECURITIES ACT. DURING SUCH 40-DAY DISTRIBUTION COMPLIANCE PERIOD, BENEFICIAL OWNERSHIP INTERESTS IN THIS TEMPORARY REGULATION S GLOBAL NOTE MAY ONLY BE SOLD, PLEDGED OR TRANSFERRED (I) TO THE COMPANY, (II) OUTSIDE THE UNITED STATES IN A
TRANSACTION IN ACCORDANCE WITH RULE 904 OF REGULATION S UNDER THE SECURITIES ACT, OR (III) PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT UNDER THE SECURITIES ACT, IN EACH OF CASES (I) THROUGH (III) IN ACCORDANCE WITH ANY APPLICABLE SECURITIES
LAWS OF ANY STATE OF THE UNITED STATES. HOLDERS OF INTERESTS IN THIS TEMPORARY REGULATION S GLOBAL NOTE WILL NOTIFY ANY PURCHASER OF THIS NOTE OF THE RESALE RESTRICTIONS REFERRED TO ABOVE, IF THEN APPLICABLE. 
 AFTER THE EXPIRATION OF THE DISTRIBUTION COMPLIANCE PERIOD BENEFICIAL INTERESTS IN THIS TEMPORARY REGULATION S GLOBAL NOTE MAY BE EXCHANGED FOR INTERESTS
IN A RULE 144A GLOBAL NOTE ONLY IF (1) SUCH EXCHANGE OCCURS IN CONNECTION WITH A TRANSFER OF THE NOTES IN COMPLIANCE WITH RULE 144A AND (2) THE TRANSFEROR OF THE REGULATION S GLOBAL NOTE FIRST DELIVERS TO THE TRUSTEE A WRITTEN CERTIFICATE
(IN THE FORM ATTACHED TO THIS CERTIFICATE) TO THE EFFECT THAT THE REGULATION S GLOBAL NOTE IS BEING TRANSFERRED (A) TO A PERSON WHO THE TRANSFEROR REASONABLY BELIEVES TO BE A QUALIFIED INSTITUTIONAL BUYER WITHIN THE MEANING OF RULE 144A,
(B) TO A PERSON WHO IS PURCHASING FOR ITS OWN ACCOUNT OR THE ACCOUNT OF A QUALIFIED INSTITUTIONAL BUYER IN A TRANSACTION MEETING THE REQUIREMENTS OF RULE 144A, AND (C) IN ACCORDANCE WITH ALL APPLICABLE SECURITIES LAWS OF THE STATES OF THE
UNITED STATES AND OTHER JURISDICTIONS. 
  

 S-2 








 BENEFICIAL INTERESTS IN A RULE 144A GLOBAL NOTE MAY BE TRANSFERRED TO A PERSON WHO TAKES DELIVERY IN THE
FORM OF AN INTEREST IN THE REGULATION S GLOBAL NOTE, WHETHER BEFORE OR AFTER THE EXPIRATION OF THE 40-DAY DISTRIBUTION COMPLIANCE PERIOD, ONLY IF THE TRANSFEROR FIRST DELIVERS TO THE TRUSTEE A WRITTEN CERTIFICATE (IN THE FORM ATTACHED TO THIS
CERTIFICATE) TO THE EFFECT THAT SUCH TRANSFER IS BEING MADE IN ACCORDANCE WITH RULE 903 OR 904 OF REGULATION S OR RULE 144 (IF AVAILABLE). 
 [Certificated Notes Legend] 
 IN CONNECTION WITH ANY TRANSFER, THE HOLDER WILL DELIVER TO THE NOTE REGISTRAR AND TRANSFER AGENT
SUCH CERTIFICATES AND OTHER INFORMATION AS SUCH TRANSFER AGENT MAY REASONABLY REQUIRE TO CONFIRM THAT THE TRANSFER COMPLIES WITH THE FOREGOING RESTRICTIONS. 
  

 S-3 









							
	 No.
	 		 		 	$

 9% Senior Notes Due 2014 
 Aleris International, Inc., a Delaware corporation, promises to pay to
                    , or registered assigns, the principal sum of
                     U.S. Dollars on December 15, 2014. 
 Interest Payment Dates: June 15 and December 15. 
 Record Dates: June 1 and December 1.

 Additional provisions of this Note are set forth on the other side of this Note. 
  

 S-4 








 Dated: 
  

			
	ALERIS INTERNATIONAL, INC.
		
	By:	 	  

	Name:	 	
	Title:	 	


  

 S-5 









			
	 TRUSTEE’S CERTIFICATE OF
 AUTHENTICATION


	
	 LASALLE BANK NATIONAL
 ASSOCIATION, as Trustee
 certifies that this is one of the Notes
 referred to in the Indenture.

		
	By	 	  

		 	Authorized Signatory

  

 S-6 








 [FORM OF REVERSE SIDE OF INITIAL NOTE] 
 9% Senior Note Due 2014 
 Capitalized terms used herein but not defined herein shall
have the meanings given to such terms in the Indenture. 
  

	1.	Principal and Interest. 

 Aleris International, Inc.
(the “Company”) shall pay the principal of this Note on December 15, 2014. 
 The Company promises to pay interest and
Additional Interest, if any, on the principal amount of this Note on each Interest Payment Date, as set forth below, at the rate of 9% per annum (subject to adjustment as provided below). 
 Interest, and Additional Interest, if any, shall be payable semi-annually (to the Holders of the Notes at the close of business on June 1 or
December 1 immediately preceding the Interest Payment Date) on each Interest Payment Date, commencing December 15, 2007. 
 The
Holder of this Note is entitled to the benefits of the Registration Rights Agreement, dated September 11, 2007, among the Company, the Subsidiary Guarantors and the Initial Purchaser named therein (the “Registration Rights
Agreement”), including with respect to Additional Interest. 
 Interest on this Note shall accrue from the most recent date to which
interest has been paid or, if no interest has been paid, from September 11, 2007; provided that, if there is no existing Default in the payment of interest and if this Note is authenticated between a Regular Record Date referred to on
the face hereof and the next succeeding Interest Payment Date, interest shall accrue from such next succeeding Interest Payment Date. Interest shall be computed on the basis of a 360-day year of twelve 30-day months. 
 The Company shall pay interest and Additional Interest if any, on overdue principal and premium, if any, and interest on overdue installments of
interest, to the extent lawful, at a rate per annum equal to the rate of interest applicable to the Notes. 
  

	2.	Method of Payment. 

 The Company shall pay interest
(except Defaulted Interest) on the principal amount of the Notes on each June 15 and December 15 to the Persons who are Holders (as reflected in the Note Register at the close of business on June 1 and December 1 immediately
preceding the Interest Payment Date), in each case, even if the Note is transferred or exchanged after such Regular Record Date, except as provided in Section 306(b) with respect to Defaulted Interest; provided that, with respect to the
payment of principal, the Company shall make payment to the Holder that surrenders this Note to any Paying Agent on or after December 15, 2014. 
 The Company shall pay principal (premium, if any) and interest in money of the United States that at the time of payment is legal tender for payment of public and private debts. However, the Company may pay principal
(premium, if any) and interest by its check payable in such money. The Company may pay interest on the Notes either (a) by mailing a check for such interest to a Holder’s registered address (as reflected in the Note Register) or
(b) by wire transfer to an account located in the United States maintained by the payee. If a payment date is a date other than a Business Day at a place of payment, payment may be made at that place on the next succeeding day that is a
Business Day and no interest shall accrue for the intervening period. 
  

	3.	Paying Agent and Note Registrar. 

 Initially,
LaSalle Bank National Association (the “Trustee”) shall act as Paying Agent and Note Registrar. The Company may change any Paying Agent or Note Registrar upon written notice thereto and without notice to the Holders. The Company, any
Subsidiary or any Affiliate of any of them may act as Paying Agent, Note Registrar or co-registrar. 
  

 S-7 









	4.	Indenture. 

 The Company issued the Notes under a
Senior Indenture dated as of September 11, 2007 (the “Indenture”), among the Company, the Subsidiary Guarantors and the Trustee. The terms of the Notes include those stated in the Indenture and those made part of the Indenture by
reference to the Trust Indenture Act. The Notes are subject to all such terms, and Holders are referred to the Indenture and the Trust Indenture Act for a statement of all such terms. To the extent permitted by applicable law, in the event of any
inconsistency between the terms of this Note and the terms of the Indenture, the terms of the Indenture shall control. 
 The Notes are
unsecured senior obligations of the Company. The Indenture does not limit the aggregate principal amount of the Notes. Subject to the conditions set forth in the Indenture, the Company may issue Additional Notes. 
  

	5.	Mandatory Redemption. 

 The Company is not required
to make any mandatory redemption or sinking fund payments with respect to the Notes. 
  

	6.	Optional Redemption. 

 At any time prior to
December 15, 2010, the Company may redeem all or a part of the Notes, upon not less than 30 nor more than 60 days’ prior notice at a redemption price equal to 100% of the principal amount of Notes redeemed plus the Applicable Premium as
of, and accrued and unpaid interest and Additional Interest, if any, to the Redemption Date, subject to the rights of Holders on the relevant record date to receive interest due on the relevant Interest Payment Date. 
 On and after December 15, 2010, the Company may redeem the Notes, in whole or in part, upon not less than 30 nor more than 60 days’ prior
notice to each Holder at the Redemption Prices (expressed as percentages of principal amount) set forth below, plus accrued and unpaid interest thereon and Additional Interest, if any, to the applicable Redemption Date, subject to the right of
Holders on the relevant record date to receive interest due on the relevant Interest Payment Date, if redeemed during the twelve-month period beginning on December 15 of each of the years indicated below: 
  

				
	 Year
	  	Percentage	 
	 2010
	  	104.500	%
	 2011
	  	102.250	%
	 2012 and thereafter
	  	100.000	%

 In addition, until December 15, 2009, the Company may, at its option, redeem up to 35% of the
aggregate principal amount of Notes issued under the Indenture at a redemption price equal to 109.000% of the aggregate principal amount thereof, plus accrued and unpaid interest thereon and Additional Interest, if any, to the applicable Redemption
Date, subject to the right of Holders on the relevant record date to receive interest due on the relevant Interest Payment Date, with the net cash proceeds of one or more Equity Offerings of the Company or any direct or indirect parent of the
Company to the extent such net cash proceeds are contributed to the Company; provided that at least 50% of the sum of the aggregate principal amount of Notes originally issued under the Indenture remains Outstanding immediately after the
occurrence of each such redemption; provided, further, that each such redemption occurs within 180 days of the date of closing of each such Equity Offering. 
  

	7.	Repurchase upon a Change of Control and Asset Sales. 

 Upon the occurrence of (a) a Change of Control, the Holders shall have the right to require that the Company purchase such Holder’s Outstanding Notes, in whole or in part, at a purchase price of 101% of the principal 

  

 S-8 








 
amount thereof, plus accrued and unpaid interest and Additional Interest, if any, to the date of purchase and (b) Asset Sales, the Company may be
obligated to make offers to purchase Notes and Senior Indebtedness of the Company with a portion of the Net Proceeds of such Asset Sales at a redemption price of 100% of the principal amount thereof plus accrued and unpaid interest and Additional
Interest, if any, to the date of purchase. 
  

	8.	Denominations; Transfer; Exchange. 

 The Notes are
in registered form without coupons in denominations of $1,000 principal amount and integral multiples of $1,000. A Holder may transfer or exchange Notes in accordance with the Indenture. The Note Registrar and the Trustee may require a Holder, among
other things, to furnish appropriate endorsements and transfer documents and the Company may require a Holder to pay any taxes and fees required by law or permitted by the Indenture. The Note Registrar need not register the transfer or exchange of a
Note or portion of a Note selected for redemption (except, in the case of a Note to be redeemed in part, the portion of the Note not to be redeemed) or any Note or portion of a Note for a period of 15 days before a selection of Notes to be redeemed
or 15 days before an Interest Payment Date. 
  

	9.	Persons Deemed Owners. 

 A registered Holder may be
treated as the owner of a Note for all purposes. 
  

	10.	Unclaimed Money. 

 Subject to any laws relating to
abandoned property, if money for the payment of principal (premium, if any) or interest remains unclaimed for two years, the Trustee and the Paying Agent shall pay the money back to the Company at its request or (if then held by the Company) shall
be discharged from such trust. After that, Holders entitled to the money must look to the Company for payment and all liability of the Trustee and such Paying Agent with respect to such money, and all liability of the Company as trustee thereof,
shall cease. 
  

	11.	Discharge and Defeasance Prior to Redemption or Maturity. 

 Subject to satisfaction of conditions set forth in the Indenture, the Company at any time may terminate some or all of its obligations under the Notes and the Indenture if the Company irrevocably deposits with the Trustee cash or Government
Securities or a combination thereof sufficient for the payment of the then outstanding principal of and interest on the Notes to Redemption or Stated Maturity, as the case may be. 
  

	12.	Amendment; Supplement; Waiver. 

 Subject to certain
exceptions, the Indenture or the Notes may be amended or supplemented with the consent of the Holders of at least a majority in aggregate principal amount of the Outstanding Notes, including consents obtained in connection with a purchase of, or
tender offer or Exchange Offer for, the Notes, and any existing Default or compliance with any provision of the Indenture or the Notes may be waived with the consent of the Holders of a majority in aggregate principal amount of the Outstanding
Notes. Without notice to or the consent of any Holder, the parties thereto may amend or supplement the Indenture or the Notes to, among other things, cure any ambiguity, omission, mistake, defect or inconsistency and make any change that does not
adversely affect the legal rights of any Holder. 
  

	13.	Restrictive Covenants. 

 The Indenture contains
certain covenants, including covenants with respect to the following matters: (i) Restricted Payments; (ii) incurrence of Indebtedness and issuance of Disqualified Stock and Preferred Stock; (iii) Liens; (iv) transactions with
Affiliates; (v) dividend and other payment restrictions affecting Restricted Subsidiaries; (vi) guarantees of Indebtedness by Restricted Subsidiaries; (vii) changes to the terms of certain Subordinated Indebtedness;
(viii) merger, consolidation or sale of all or substantially all assets; (ix) purchase of Notes upon a Change in Control; (x) sale and lease-back transactions; and (xi) disposition of proceeds of Asset Sales. Within 120 days (or
the successor time period then in effect under the rules and regulations of the Exchange Act) after the end of each fiscal year, the Company must report to the Trustee on compliance with such limitations. 
  

 S-9 









	14.	Successor Persons. 

 When a successor Person or
other entity assumes all the obligations of its predecessor under the Notes and the Indenture, the predecessor Person shall be released from those obligations, subject to certain exceptions. 
  

	15.	Remedies for Events of Default. 

 If an Event of
Default, as defined in the Indenture, occurs and is continuing, the Trustee or the Holders of at least 30% in principal amount of the Outstanding Notes may declare all Outstanding Notes to be immediately due and payable. If an Event of Default
arising from certain events of bankruptcy or insolvency with respect to the Company occurs and is continuing, the Notes automatically become immediately due and payable. Subject to the provisions of the Indenture relating to the duties of the
Trustee, in case an Event of Default occurs and is continuing, the Trustee shall be under no obligation to exercise any rights or powers under the Indenture at the request or direction of any of the Holders unless such Holders have offered to the
Trustee reasonable indemnity or security against any loss, liability or expense. Subject to certain restrictions, the Holders of a majority in principal amount of the Outstanding Notes are given the right to direct the time, method and place of
conducting any proceeding for any remedy available to the Trustee or of exercising any trust or power conferred on the Trustee. The Trustee, however, may refuse to follow any direction that conflicts with law or the Indenture or that the Trustee
determines is unduly prejudicial to the rights of any other Holder of a Note or that would involve the Trustee in personal liability. 
  

	16.	Subsidiary Guarantees. 

 The Company’s
obligations under the Notes are fully, irrevocably and unconditionally guaranteed on an unsecured senior basis, to the extent set forth in the Indenture, by each of the Subsidiary Guarantors. 
  

	17.	Trustee Dealings with Company. 

 The Trustee under
the Indenture, in its individual or any other capacity, may become the owner or pledgee of Notes and may make loans to, accept deposits from, perform services for, and otherwise deal with, the Company and its Affiliates as if it were not the
Trustee. 
  

	18.	Authentication. 

 This Note shall not be valid until
the Trustee signs the certificate of authentication on the other side of this Note. 
  

	19.	Abbreviations. 

 Customary abbreviations may be used
in the name of a Holder or an assignee, such as: TEN COM (= tenants in common), TEN ENT (= tenants by the entireties), JT TEN (= joint tenants with right of survivorship and not as tenants in common), CUST (= Custodian) and U/G/M/A (= Uniform Gifts
to Minors Act). 
  

	20.	CUSIP Numbers. 

 Pursuant to a recommendation
promulgated by the Committee on Uniform Security Identification Procedures, the Company has caused CUSIP numbers to be printed on the Notes and has directed the Trustee to use CUSIP numbers in notices of redemption as a convenience to Holders. No
representation is made as to the accuracy of such numbers either as printed on the Notes or as contained in any notice of redemption and reliance may be placed only on the other identification numbers placed thereon. 
  

 S-10 









	21.	Holders’ Compliance with the Registration Rights Agreement. 

 Each Holder of a Note, by acceptance hereof, acknowledges and agrees to the provisions of the Registration Rights Agreement, including the obligations of the Holders with respect to a registration and the
indemnification of the Company to the extent provided therein. 
  

	22.	Governing Law. 

 THIS SECURITY AND THE INDENTURE
SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK. 
 The Company shall furnish to any Holder
upon written request and without charge a copy of the Indenture. Requests may be made to Aleris International, Inc., 25825 Science Park Drive, Suite 400, Beachwood, Ohio 44122, Attention: General Counsel. 
  

 S-11 








 EXHIBIT 2 
 to Rule 144A / Regulation S Appendix 
 ASSIGNMENT/TRANSFER FORM 
 To assign and transfer this Note, fill in the form below: 
 I or we assign
and transfer this Note to 
  

	
	  

	(Print or type assignee’s name, address and zip code)

  

	
	  

	(Insert assignee’s soc. sec. or tax I.D. No.)

 and irrevocably appoint
                     agent to transfer this Note on the books of the Company. The agent may substitute another to act for him. 
  

									
	Date:	 	  
	 		  	Your Signature:	 	  


 Sign exactly as your name appears on the other side of this Note. 
 In connection with any transfer of any of the Notes evidenced by this certificate occurring prior to the expiration of the period referred to in Rule
144(k) under the Securities Act after the later of the date of original issuance of such Notes and the last date, if any, on which such Notes were owned by the Company or any Affiliate of the Company, the undersigned confirms that such Notes are
being transferred in accordance with its terms: 
 CHECK ONE BOX BELOW 
 to the Company; or 
  

					
	(1)	  	 ̈	  	pursuant to an effective registration statement under the Securities Act of 1933, as amended; or
			
	(2)	  	 ̈	  	inside the United States to a “qualified institutional buyer” (as defined in Rule 144A under the Securities Act of 1933) that purchases for its own account or for the account of a
qualified institutional buyer to whom notice is given that such transfer is being made in reliance on Rule 144A, in each case pursuant to and in compliance with Rule 144A under the Securities Act of 1933, as amended; or
			
	(3)	  	 ̈	  	outside the United States in an offshore transaction within the meaning of Regulation S under the Securities Act in compliance with Rule 904 under the Securities Act of 1933, as amended;
or
			
	(4)	  	 ̈	  	pursuant to the exemption from registration provided by Rule 144 under the Securities Act of 1933, as amended.

 Unless one of the boxes is checked, the Trustee shall refuse to register any of the Notes
evidenced by this certificate in the name of any person other than the registered holder thereof; provided, however, that if box (4) is checked, the Trustee shall be entitled to require, prior to registering any such transfer of
the Notes, such legal opinions, certifications and other information as the Company has reasonably requested to confirm that such transfer is being made pursuant to an exemption from, or in a transaction not subject to, the registration requirements
of the Securities Act of 1933, as amended, such as the exemption provided by Rule 144 under such Act. 
  

			
	Signature	 	  










			
	Signature Guarantee:	 	  


  

					
	  
	 		  	  

	Signature must be guaranteed	 		  	Signature

 Signatures must be guaranteed by an “eligible guarantor institution” meeting the requirements of the
Note Registrar, which requirements include membership or participation in the Security Transfer Agent Medallion Program (“STAMP”) or such other “signature guarantee program” as may be determined by the Note Registrar in addition
to, or in substitution for, STAMP, all in accordance with the Securities Exchange Act of 1934, as amended. 
 TO BE COMPLETED BY PURCHASER IF (2) ABOVE
IS CHECKED. 
 The undersigned represents and warrants that it is purchasing this Note for its own account or an account with respect to which it exercises
sole investment discretion and that it and any such account is a “qualified institutional buyer” within the meaning of Rule 144A under the Securities Act of 1933, as amended, and is aware that the sale to it is being made in reliance on
Rule 144A and acknowledges that it has received such information regarding the Company as the undersigned has requested pursuant to Rule 144A or has determined not to request such information and that it is aware that the transferor is relying upon
the undersigned’s foregoing representations in order to claim the exemption from registration provided by Rule 144A. 
  

							
	Dated:	 	  
	 		  	  

		 		 		  	Notice: To be executed by an executive officer

  

 S-2 








 [TO BE ATTACHED TO GLOBAL NOTES] 
 SCHEDULE OF INCREASES OR DECREASES IN GLOBAL NOTE 
 The following increases or
decreases in this Global Note have been made: 
  

									
	 Date of Exchange
	 	 Amount of decrease in
Principal amount of this
Global
Note
	 	 Amount of increase in
 Principal amount of this
 Global
Note
	 	 Principal amount of this
Global Note following
 such decrease or
 increase
	 	 Signature of authorized
officer of Trustee or
 Notes Custodian

		 		 		 		 	
		 		 		 		 	
		 		 		 		 	

  

 S-3 








 OPTION OF HOLDER TO ELECT PURCHASE 
 If you want to elect to have this Note purchased by the Company pursuant to Section 1017 or 1018 of the Indenture, check the box:  ̈ 
 If you want to elect to have only part of this Note
purchased by the Company pursuant to Section 1017 or 1018 of the Indenture, state the amount in principal amount: $ 
  

									
	Dated:	 	  
	 		  	Your Signature:	  	  

		 		 		  		  	(Sign exactly as your name appears on the other side of this Note.)

  

			
	Signature Guarantee:	 	  

		 	(Signature must be guaranteed)

 Signatures must be guaranteed by an “eligible guarantor institution” meeting the requirements of the
Note Registrar, which requirements include membership or participation in the Security Transfer Agent Medallion Program (“STAMP”) or such other “signature guarantee program” as may be determined by the Note Registrar in addition
to, or in substitution for, STAMP, all in accordance with the Securities Exchange Act of 1934, as amended. 







 EXHIBIT 3 
 to Rule 144A / Regulation S Appendix 
 FORM OF NON-U.S. BENEFICIAL OWNERSHIP 
 CERTIFICATION BY EURO CLEAR OR CLEARSTREAM LUXEMBOURG 
 [Date]

 LaSalle Bank National Association 
 Re: 9%
Senior Notes due 2014 (the “Notes”) of Aleris International, Inc. (the “Company”) 
 Reference is hereby
made to the Senior Indenture, dated as of September 11, 2007 (as amended and supplemented from time to time, the “Indenture”), among the Company, the Subsidiary Guarantors named therein and LaSalle Bank National Association, as
Trustee. Capitalized terms used but not defined herein shall have the meanings given them in the Indenture. 
 This is to certify with
respect to $                     principal amount of the Notes that, except as set forth below, we have received in writing, by tested telex
or by electronic transmission, from member organizations appearing in our records as persons being entitled to a portion of such principal amount (our “Member Organizations”) certifications with respect to such portion, that such
portion is beneficially owned by (a) Non-U.S. Person(s) or (b) U.S. Person(s) who purchased the portion beneficially owned by such U.S. Person(s) in transactions that did not require registration under the Securities Act of 1933, as
amended (the “Act”). As used in this paragraph the term “U.S. Person” has the meaning given to it by Regulation S under the Act. 
 We further certify: 
 (i) that we are not making available herewith for exchange (or, if
relevant, exercise of any rights or collection of any interest) any portion of the Regulation S Temporary Global Note excepted in such certifications; and 
 (ii) that as of the date hereof we have not received any notification from any of our Member Organizations to the effect that the statements made by such Member Organizations with respect to any portion of the part
submitted herewith for exchange (or, if relevant, exercise of any rights or collection of any interest) are no longer true and cannot be relied upon as the date hereof. 
 We understand that this certification is required in connection with certain securities laws of the United States. In connection therewith, if administrative or legal proceedings are commenced or threatened in
connection with which this certification is or would be relevant, we irrevocably authorize you or the Company to produce this certification to any interested party in such proceedings. 
 Dated:                     , 20     
  

			
	Yours faithfully,
	
	[Euroclear or Clearstream Luxembourg]
		
	By	 	  










 EXHIBIT A 
 [FORM OF FACE OF EXCHANGE NOTE 
 OR PRIVATE EXCHANGE
NOTE]1, 2 
  

									
	 No.
	 		 		 		 	$

 9% Senior Notes Due 2014 
 Aleris International Inc., a Delaware corporation, promises to pay to
                    , or registered assigns, the principal sum of
                         U.S. Dollars on December 15, 2014. 
 Interest Payment Dates: June 15 and December 15. 
 Record Dates: June 1 and December 1. 
 Additional provisions of this Note are set forth on the other side of this Note. 


	1	[If the Note is to be issued in global form add the Global Notes Legend from Exhibit 1 to Appendix A and the attachment from such Exhibit 1 captioned “[TO BE ATTACHED TO GLOBAL
NOTES] SCHEDULE OF INCREASES OR DECREASES IN GLOBAL NOTE.” 


	2	[If the Note is a Private Exchange Note issued in a Private Exchange to an Initial Purchaser holding an unsold portion of its initial allotment, add the Restricted Notes Legend from
Exhibit 1 to Appendix A and replace the Assignment Form included in this Exhibit A with the Assignment Form included in such Exhibit 1.] 








 Dated: 
  

			
	ALERIS INTERNATIONAL, INC.
		
	By:	 	  

	Name:	 	
	Title:	 	


  

 -2- 









			
	 TRUSTEE’S CERTIFICATE OF
 AUTHENTICATION


	
	 LASALLE BANK NATIONAL
 ASSOCIATION, as Trustee
 certifies that this is one of the Notes
 referred to in the Indenture.

		
	 By
	 	  

		 	Authorized Signatory

  

 -3- 








 [FORM OF REVERSE SIDE OF EXCHANGE NOTE 
 OR PRIVATE EXCHANGE NOTE] 
 9% Senior Note Due 2014 
 Capitalized terms used herein but not defined herein shall have the meanings given to such terms in the Indenture. 
  

	1.	Principal and Interest. 

 Aleris International, Inc.
(the “Company”) shall pay the principal of this Note on December 15, 2014. 
 The Company promises to pay interest and
Additional Interest, if any, on the principal amount of this Note on each Interest Payment Date, as set forth below, at the rate of 9% per annum (subject to adjustment as provided below). 
 Interest, and Additional Interest, if any, shall be payable semi-annually (to the Holders of the Notes at the close of business on June 1 or
December 1 immediately preceding the Interest Payment Date) on each Interest Payment Date, commencing December 15, 2007. 
 [The Holder of this Note is entitled to the benefits of the Registration Rights Agreement, dated
September 11, 2007, among the Company, the Subsidiary Guarantors and the Initial Purchaser named therein (the “Registration Rights Agreement”), including with respect to Additional Interest.]3 
 Interest, including Additional Interest,
if any, on this Note shall accrue from the most recent date to which interest has been paid on this Note or the Note surrendered in exchange herefor or, if no interest has been paid, from September 11, 2007; provided that, if there is no
existing Default in the payment of interest and if this Note is authenticated between a Regular Record Date referred to on the face hereof and the next succeeding Interest Payment Date, interest shall accrue from such next succeeding Interest
Payment Date. Interest shall be computed on the basis of a 360-day year of twelve 30-day months. 
 The Company shall pay interest and
Additional Interest if any, on overdue principal and premium, if any, and interest on overdue installments of interest, to the extent lawful, at a rate per annum equal to the rate of interest applicable to the Notes. 
  

	2.	Method of Payment. 

 The Company shall pay interest
(except defaulted interest) on the principal amount of the Notes on each June 15 and December 15 to the Persons who are Holders (as reflected in the Note Register at the close of business on June 1 and December 1 immediately
preceding the Interest Payment Date), in each case, even if the Note is transferred or exchanged after such Regular Record Date, except as provided in Section 306(b) with respect to defaulted interest; provided that, with respect to the
payment of principal, the Company shall make payment to the Holder that surrenders this Note to any Paying Agent on or after December 15, 2014. 
 The Company shall pay principal (premium, if any) and interest in money of the United States that at the time of payment is legal tender for payment of public and private debts. However, the Company may pay principal
(premium, if any) and interest by its check payable in such money. The Company may pay interest on the Notes either (a) by mailing a check for such interest to a Holder’s registered address (as reflected in the Note Register) or



	3	Insert if at the date of issuance of the Exchange Note or Private Exchange Note (as the case may be) any Registration Default has occurred with respect to the related Initial Notes
during the Interest Period in which such date of issuance occurs. 

  

 -4- 








 
(b) by wire transfer to an account located in the United States maintained by the payee. If a payment date is a date other than a Business Day at a place of
payment, payment may be made at that place on the next succeeding day that is a Business Day and no interest shall accrue for the intervening period. 
  

	3.	Paying Agent and Note Registrar. 

 Initially,
LaSalle Bank National Association (the “Trustee”) shall act as Paying Agent and Note Registrar. The Company may change any Paying Agent or Note Registrar upon written notice thereto and without notice to the Holders. The Company, any
Subsidiary or any Affiliate of any of them may act as Paying Agent, Note Registrar or co-registrar. 
  

	4.	Indenture. 

 The Company issued the Notes under a
Senior Indenture dated as of September 11, 2007 (the “Indenture”), among the Company, the Subsidiary Guarantors and the Trustee. The terms of the Notes include those stated in the Indenture and those made part of the Indenture by
reference to the Trust Indenture Act. The Notes are subject to all such terms, and Holders are referred to the Indenture and the Trust Indenture Act for a statement of all such terms. To the extent permitted by applicable law, in the event of any
inconsistency between the terms of this Note and the terms of the Indenture, the terms of the Indenture shall control. 
 The Notes are
unsecured senior obligations of the Company. The Indenture does not limit the aggregate principal amount of the Notes. Subject to the conditions set forth in the Indenture, the Company may issue Additional Notes. 
  

	5.	Mandatory Redemption. 

 The Company is not required
to make any mandatory redemption or sinking fund payments with respect to the Notes. 
  

	6.	Optional Redemption. 

 At any time prior to
December 15, 2010, the Company may redeem all or a part of the Notes, upon not less than 30 nor more than 60 days’ prior notice at a redemption price equal to 100% of the principal amount of Notes redeemed plus the Applicable Premium as
of, and accrued and unpaid interest and Additional Interest, if any, to the Redemption Date, subject to the rights of Holders on the relevant record date to receive interest due on the relevant Interest Payment Date. 
 On and after December 15, 2010, the Company may redeem the Notes, in whole or in part, upon not less than 30 nor more than 60 days’ prior
notice to each Holder at the Redemption Prices (expressed as percentages of principal amount) set forth below, plus accrued and unpaid interest thereon and Additional Interest, if any, to the applicable Redemption Date, subject to the right of
Holders on the relevant record date to receive interest due on the relevant Interest Payment Date, if redeemed during the twelve-month period beginning on December 15 of each of the years indicated below: 
  

				
	 Year
	  	Percentage	 
	 2010
	  	104.500	%
	 2011
	  	102.250	%
	 2012 and thereafter
	  	100.000	%

 In addition, until December 15, 2009, the Company may, at its option, redeem up to 35% of the
aggregate principal amount of Notes issued under the Indenture at a redemption price equal to 109.000% of the aggregate principal amount thereof, plus accrued and unpaid interest thereon and Additional Interest, if any, to the applicable Redemption
Date, subject to the right of Holders on the relevant record date to receive interest due on the relevant Interest Payment Date, with the net cash proceeds of one or more Equity Offerings of the Company or any direct or indirect parent of the
Company to the extent such net cash proceeds are contributed to the Company; provided that at 

  

 -5- 








 
least 50% of the sum of the aggregate principal amount of Notes originally issued under the Indenture remains Outstanding immediately after the occurrence of
each such redemption; provided, further, that each such redemption occurs within 180 days of the date of closing of each such Equity Offering. 
  

	7.	Repurchase upon a Change of Control and Asset Sales. 

 Upon the occurrence of (a) a Change of Control, the Holders shall have the right to require that the Company purchase such Holder’s outstanding Notes, in whole or in part, at a purchase price of 101% of the principal amount
thereof, plus accrued and unpaid interest and Additional Interest, if any, to the date of purchase and (b) Asset Sales, the Company may be obligated to make offers to purchase Notes and Senior Indebtedness of the Company with a portion of the
Net Proceeds of such Asset Sales at a redemption price of 100% of the principal amount thereof plus accrued and unpaid interest and Additional Interest, if any, to the date of purchase. 
  

	8.	Denominations; Transfer; Exchange. 

 The Notes are
in registered form without coupons in denominations of $1,000 principal amount and integral multiples of $1,000. A Holder may transfer or exchange Notes in accordance with the Indenture. The Note Registrar and the Trustee may require a Holder, among
other things, to furnish appropriate endorsements and transfer documents and the Company may require a Holder to pay any taxes and fees required by law or permitted by the Indenture. The Note Registrar need not register the transfer or exchange of a
Note or portion of a Note selected for redemption (except, in the case of a Note to be redeemed in part, the portion of the Note not to be redeemed) or any Note or portion of a Note for a period of 15 days before a selection of Notes to be redeemed
or 15 days before an interest payment date. 
  

	9.	Persons Deemed Owners. 

 A registered Holder may be
treated as the owner of a Note for all purposes. 
  

	10.	Unclaimed Money. 

 Subject to any laws relating to
abandoned property, if money for the payment of principal (premium, if any) or interest remains unclaimed for two years, the Trustee and the Paying Agent shall pay the money back to the Company at its request or (if then held by the Company) shall
be discharged from such trust. After that, Holders entitled to the money must look to the Company for payment and all liability of the Trustee and such Paying Agent with respect to such money and all liability of the Company as trustee thereof shall
cease. 
  

	11.	Discharge and Defeasance Prior to Redemption or Maturity. 

 Subject to satisfaction of conditions set forth in the Indenture, the Company at any time may terminate some or all of its obligations under the Notes and the Indenture, if the Company irrevocably deposits with the Trustee cash or
Government Securities or a combination thereof sufficient for the payment of the then outstanding principal of and interest on the Notes to Redemption or Stated Maturity, as the case may be. 
  

	12.	Amendment; Supplement; Waiver. 

 Subject to certain
exceptions, the Indenture or the Notes may be amended or supplemented with the consent of the Holders of at least a majority in aggregate principal amount of the Outstanding Notes, including consents obtained in connection with a purchase of, or
tender offer or Exchange Offer for, the Notes, and any existing Default or compliance with any provision of the Indenture or the Notes may be waived with the consent of the Holders of a majority in aggregate principal amount of the Outstanding
Notes. Without notice to or the consent of any Holder, the parties thereto may amend or supplement the Indenture or the Notes to, among other things, cure any ambiguity, omission, mistake, defect or inconsistency and make any change that does not
adversely affect the legal rights of any Holder. 
  

 -6- 









	13.	Restrictive Covenants. 

 The Indenture contains
certain covenants, including covenants with respect to the following matters: (i) Restricted Payments; (ii) incurrence of Indebtedness and issuance of Disqualified Stock and Preferred Stock; (iii) Liens; (iv) transactions with
Affiliates; (v) dividend and other payment restrictions affecting Restricted Subsidiaries; (vi) guarantees of Indebtedness by Restricted Subsidiaries; (vii) changes to the terms of certain Subordinated Indebtedness;
(viii) merger, consolidation or sale of all or substantially all assets; (ix) purchase of Notes upon a Change in Control; (x) sale and lease-back transactions and (xi) disposition of proceeds of Asset Sales. Within 120 days (or
the successor time period then in effect under the rules and regulations of the Exchange Act) after the end of each fiscal year, the Company must report to the Trustee on compliance with such limitations. 
  

	14.	Successor Persons. 

 When a successor Person or
other entity assumes all the obligations of its predecessor under the Notes and the Indenture, the predecessor Person shall be released from those obligations, subject to certain exceptions. 
  

	15.	Remedies for Events of Default. 

 If an Event of
Default, as defined in the Indenture, occurs and is continuing, the Trustee or the Holders of at least 30% in principal amount of the Outstanding Notes may declare all Outstanding Notes to be immediately due and payable. If an Event of Default
arising from certain events of bankruptcy or insolvency with respect to the Company occurs and is continuing, the Notes automatically become immediately due and payable. Subject to the provisions of the Indenture relating to the duties of the
Trustee, in case an Event of Default occurs and is continuing, the Trustee shall be under no obligation to exercise any rights or powers under the Indenture at the request or direction of any of the Holders unless such Holders have offered to the
Trustee reasonable indemnity or security against any loss, liability or expense. Subject to certain restrictions, the Holders of a majority in principal amount of the Outstanding Notes are given the right to direct the time, method and place of
conducting any proceeding for any remedy available to the Trustee or of exercising any trust or power conferred on the Trustee. The Trustee, however, may refuse to follow any direction that conflicts with law or the Indenture or that the Trustee
determines is unduly prejudicial to the rights of any other Holder of a Note or that would involve the Trustee in personal liability. 
  

	16.	Subsidiary Guarantees. 

 The Company’s
obligations under the Notes are fully, irrevocably and unconditionally guaranteed on an unsecured senior basis, to the extent set forth in the Indenture, by each of the Subsidiary Guarantors. 
  

	17.	Trustee Dealings with Company. 

 The Trustee under
the Indenture, in its individual or any other capacity, may become the owner or pledgee of Notes and may make loans to, accept deposits from, perform services for, and otherwise deal with, the Company and its Affiliates as if it were not the
Trustee. 
  

	18.	Authentication. 

 This Note shall not be valid until
the Trustee signs the certificate of authentication on the other side of this Note. 
  

	19.	Abbreviations. 

 Customary abbreviations may be used
in the name of a Holder or an assignee, such as: TEN COM (= tenants in common), TEN ENT (= tenants by the entireties), JT TEN (= joint tenants with right of survivorship and not as tenants in common), CUST (= Custodian) and U/G/M/A (= Uniform Gifts
to Minors Act). 
  

 -7- 









	20.	CUSIP Numbers. 

 Pursuant to a recommendation
promulgated by the Committee on Uniform Security Identification Procedures, the Company has caused CUSIP numbers to be printed on the Notes and has directed the Trustee to use CUSIP numbers in notices of redemption as a convenience to Holders. No
representation is made as to the accuracy of such numbers either as printed on the Notes or as contained in any notice of redemption and reliance may be placed only on the other identification numbers placed thereon. 
  

	21.	Holders’ Compliance with the Registration Rights Agreement. 

 Each Holder of a Note, by acceptance hereof, acknowledges and agrees to the provisions of the Registration Rights Agreement, including the obligations of the Holders with respect to a registration and the
indemnification of the Company to the extent provided therein. 
  

	22.	Governing Law. 

 THIS SECURITY AND THE INDENTURE
SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK. 
 The Company shall furnish to any Holder
upon written request and without charge a copy of the Indenture. Requests may be made to Aleris International, Inc., 25825 Science Park Drive, Suite 400, Beachwood, Ohio 44122, Attention: General Counsel. 
  

 -8- 








 ASSIGNMENT/TRANSFER FORM 
 To assign and transfer this Note, fill in the form below: 
 I or we assign and transfer this Note to 
  

	
	  

	(Print or type assignee’s name, address and zip code)

  

	
	  

	(Insert assignee’s soc. sec. or tax I.D. No.)

 and irrevocably appoint
                     agent to transfer this Note on the books of the Company. The agent may substitute another to act for him. 
  

									
	Date:	 	  
	 		  	Your Signature:	 	  


 Sign exactly as your name appears on the other side of this Note. 
  

 -1- 








 OPTION OF HOLDER TO ELECT PURCHASE 
 If you want to elect to have this Note purchased by the Company pursuant to Section 1017 or 1018 of the Indenture, check the box:  ̈ 
 If you want to elect to have only part of this Note purchased by the Company pursuant to Section 1017 or 1018 of the
Indenture, state the amount in principal amount: $ 
  

									
	Dated:	 	  
	 		  	Your Signature:	  	  

		 		 		  		  	(Sign exactly as your name appears on the other side of this Note.)

  

			
	Signature Guarantee:	 	  

		 	(Signature must be guaranteed)

 Signatures must be guaranteed by an “eligible guarantor institution” meeting the requirements of the
Note Registrar, which requirements include membership or participation in the Security Transfer Agent Medallion Program (“STAMP”) or such other “signature guarantee program” as may be determined by the Note Registrar in addition
to, or in substitution for, STAMP, all in accordance with the Securities Exchange Act of 1934, as amended. 
  

 -1- 








 EXHIBIT B 
 FORM OF SUPPLEMENTAL INDENTURE 
 TO BE DELIVERED BY SUBSEQUENT GUARANTORS 
 SUPPLEMENTAL INDENTURE (this “Supplemental Indenture”), dated as of
                    , 200  , among
                     (the “Guaranteeing Subsidiary”), a subsidiary of Aleris International, Inc. (or its permitted successor), a
Delaware corporation (the “Company”), the Company, the other Subsidiary Guarantors (as defined in the Indenture referred to herein) and LaSalle Bank National Association, as trustee under the Indenture referred to below (the
“Trustee”). 
 WITNESSETH 
 WHEREAS, the Company has heretofore executed and delivered to the Trustee a senior unsecured indenture (the “Indenture”), dated as of September 11, 2007 providing for the issuance of 9% Senior Notes Due 2014 (the
“Notes”); 
 WHEREAS, the Indenture provides that under certain circumstances the Guaranteeing Subsidiary shall execute and deliver
to the Trustee a supplemental indenture pursuant to which the Guaranteeing Subsidiary shall unconditionally guarantee all of the Company’s Obligations under the Notes and the Indenture on the terms and conditions set forth herein (the
“Subsidiary Guarantee”); and 
 WHEREAS, pursuant to Section 901 of the Indenture, the Trustee is authorized to execute
and deliver this Supplemental Indenture. 
 NOW, THEREFORE, in consideration of the foregoing and for other good and valuable consideration,
the receipt of which is hereby acknowledged, the Guaranteeing Subsidiary and the Trustee mutually covenant and agree for the equal and ratable benefit of the Holders of the Notes as follows: 
 1. CAPITALIZED TERMS. Capitalized terms used herein without definition shall have the meanings assigned to them in the Indenture. 
 2. AGREEMENT TO GUARANTEE. The Guaranteeing Subsidiary hereby agrees to provide an unconditional Subsidiary Guarantee on the terms and subject to the
conditions set forth in the Note Guarantee and in the Indenture including but not limited to Article 12 thereof. 
 3. NO RECOURSE AGAINST
OTHERS. No past, present or future director, officer, employee, incorporator, stockholder or agent of the Guaranteeing Subsidiary, as such, shall have any liability for any obligations of the Company or any Guaranteeing Subsidiary under the Notes,
any Note Guarantees, the Indenture or this Supplemental Indenture or for any claim based on, in respect of, or by reason of, such obligations or their creation. Each Holder of the Notes by accepting a Note waives and releases all such liability. The
waiver and release are part of the consideration for issuance of the Notes. Such waiver may not be effective to waive liabilities under the federal securities laws and it is the view of the SEC that such a waiver is against public policy.

 4. GOVERNING LAW. THIS SUPPLEMENTAL INDENTURE SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK.

 5. COUNTERPARTS. The parties may sign any number of copies of this Supplemental Indenture. Each signed copy shall be an original, but all
of them together represent the same agreement. 
 6. EFFECT OF HEADINGS. The Section headings herein are for convenience only and shall not
affect the construction hereof. 







 7. THE TRUSTEE. The Trustee shall not be responsible in any manner whatsoever for or in respect of the
validity or sufficiency of this Supplemental Indenture or for or in respect of the recitals contained herein, all of which recitals are made solely by the Guaranteeing Subsidiary and the Company. 
 IN WITNESS WHEREOF, the parties hereto have caused this Supplemental Indenture to be duly executed and attested, all as of the date first above written.

 Dated:                     ,
20     
  

			
	[GUARANTEEING SUBSIDIARY]
		
	By:	 	  

	Name:	 	
	Title:	 	
	
	ALERIS INTERNATIONAL, INC.
		
	By:	 	  

	Name:	 	
	Title:	 	
	
	[Existing Guarantors]
		
	By:	 	  

	Name:	 	
	Title:	 	
	
	LASALLE BANK NATIONAL ASSOCIATION, as Trustee
		
	By:	 	  

		 	Authorized Signatory


  

 -2-