Document:

EX-4.13

 Exhibit 4.13 

Execution Version 

FOURTH AMENDMENT dated as of December 10, 2015 (this “Amendment”), to the CREDIT AGREEMENT dated as of
May 7, 2014 (as previously amended by the First Amendment, dated as of December 5, 2014, the Second Amendment, dated as of February 5, 2015, and the Third Amendment, dated as of September 30, 2015, the “Credit
Agreement”), among CONSTELLIUM N.V., a Dutch limited liability company registered under number 34393663, the LENDERS from time to time party thereto and DEUTSCHE BANK AG NEW YORK BRANCH, as Administrative Agent. 

WHEREAS the Lenders have agreed to extend credit to the Borrower under the Credit Agreement on the terms and subject to the conditions set
forth therein; 
 WHEREAS the Borrower has requested that the Credit Agreement be amended as set forth herein; and 

WHEREAS the parties hereto, which include the Required Lenders, are willing to amend the Credit Agreement on the terms and subject to the
conditions set forth herein. 
 NOW, THEREFORE, in consideration of the mutual agreements herein contained and other good and valuable
consideration, the sufficiency and receipt of which are hereby acknowledged, the parties hereto hereby agree as follows: 
 SECTION 1.
Defined Terms. Capitalized terms used but not otherwise defined herein (including in the preamble and the recitals hereto) have the meanings assigned to them in the Credit Agreement. 

SECTION 2. Fourth Amendment Effective Date Amendments. Effective as of the Fourth Amendment Effective Date, the Credit Agreement shall
be amended as follows: 
 (a) Section 1.01 of the Credit Agreement shall be amended by adding the following new defined terms in
appropriate alphabetical order: 
 “Fourth Amendment” means the Fourth Amendment to this Agreement. 

“Fourth Amendment Effective Date” has the meaning assigned to such term in the Fourth Amendment. 

“FX Hedge Agreement” means any agreement with respect to any swap (including, but not limited to, cross currency basis
swaps) or forward involving, or settled by reference to, one or more currencies. 

 (b) Section 1.01 of the Credit Agreement shall be amended by amending and restating the
defined term “Consolidated Total Indebtedness” to read as follows: 
 “Consolidated Total Indebtedness” means,
as of any date of determination, the aggregate principal amount of consolidated funded Indebtedness for borrowed money (which, for the avoidance of doubt, shall not include any Indebtedness under the Factoring Facilities or any Qualified Receivables
Financing) of the Borrower and its Restricted Subsidiaries outstanding on such date; provided that to the extent that all or a portion of the principal amount of any such Indebtedness is subject to an FX Hedge Agreement with respect to the currency
thereof, such Indebtedness (or portion thereof) shall be deemed to be the total amount (and in the currency) owed (or required to be delivered) by the Borrower or its Restricted Subsidiary, as the case may be, to the counterparty under the
applicable FX Hedge Agreement (prior to giving effect to any netting). 
 SECTION 3. Representations and Warranties. In order to
induce the Lenders to enter into this Amendment and to amend the Credit Agreement in the manner provided herein, on and as of the Fourth Amendment Effective Date, the Borrower represents and warrants to the Lenders for itself and the Loan Parties
that are its Subsidiaries that: 
 (a) Each of the Loan Parties has the power and authority to execute, deliver and perform its obligations
under this Amendment, the Credit Agreement, as amended by this Amendment (the “Amended Agreement”), and each of the other Loan Documents to which it is a party. 

(b) The execution, delivery and performance by each of the Loan Parties party to this Amendment, the Amended Agreement and each of the other
Loan Documents to which it is a party (a) have been duly authorized by all corporate, public limited company or limited liability company or partnership action required to be obtained by such Loan Party and (b) will not
(i) (A) violate any provision of law, statute, rule or regulation, or of the Organizational Documents of such Loan Party, (B) violate any applicable order of any court or any rule, regulation or order of any Governmental Authority or
(C) violate, be in conflict with, result in a breach of or constitute (alone or with notice or lapse of time or both) a default under, give rise to a right of or result in any cancellation or acceleration of any right or obligation (including
any payment) or to a loss of a material benefit under any indenture, certificate of designation for preferred stock, agreement or any other instrument to which such Loan Party is a party or by which any of them or their property is or may be bound,
where any such conflict, violation, breach or default referred to in this clause (i) could reasonably be expected to have, individually or in the aggregate, a Material Adverse Effect, or (ii) result in the creation or imposition of any
Lien upon or with respect to any property or assets now owned or hereafter acquired by such Loan Party, other than the Liens created by the Loan Documents and Liens permitted by Section 6.06 of the Credit Agreement. 

(c) No action, consent or approval of, registration or filing with or any other action by any Governmental Authority is or will be required in
connection with the 

  
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execution, delivery and performance by each of the Loan Parties of this Amendment, the Amended Agreement and the other Loan Documents to which it is a party, except for (a) such as have been
made or obtained and are in full force and effect, and (b) such other actions, consents, approvals, registrations or filings with respect to which the failure to be obtained or made could not reasonably be expected to have a Material Adverse
Effect. 
 (d) When this Amendment has been duly executed and delivered by the Borrower and each Loan Party that is a party hereto, this
Amendment and the Amended Agreement shall constitute a legal, valid and binding obligation of the Borrower and each such Loan Party, enforceable in accordance with its terms, subject to applicable bankruptcy, insolvency, reorganization, moratorium
or other laws affecting creditors’ rights generally and subject to general principles of equity, regardless of whether considered in a proceeding in equity or at law. 

(e) Before and after giving effect to this Amendment, the representations and warranties of the Loan Parties set forth in the Loan Documents
are true and correct in all material respects (in all respects in the case of representations and warranties qualified by materiality, Material Adverse Effect or similar language in the text thereof) on and as of the Fourth Amendment Effective Date
with the same effect as if made on and as of such date, except to the extent such representations and warranties expressly relate to an earlier date, in which case they were so true and correct as of such earlier date. 

(f) As of the Fourth Amendment Effective Date, before and after giving effect to this Amendment, no Default or Event of Default has occurred
and is continuing or will result from the consummation of the transactions contemplated by this Amendment. 
 SECTION 4.
Effectiveness. This Amendment shall become a binding agreement of the parties hereto and the Amendments set forth in Section 2 shall become effective as of the first date on or after December 16, 2015 (the “Fourth Amendment
Effective Date”) on which (i) the Administrative Agent (or its counsel) shall have received duly executed counterparts hereof that, when taken together, bear the authorized signatures of the Borrower and the Required Lenders, and
(ii) the Administrative Agent (or its counsel) shall have received a Reaffirmation Agreement, in form and substance satisfactory to the Administrative Agent, duly executed by each Subsidiary Loan Party, pursuant to which each Subsidiary Loan
Party shall consent to the amendments effected by this Amendment and acknowledge that the Guarantee Agreement remains in full force and effect in accordance with its terms and constitutes a guarantee of the Loan Document Obligations as modified by
this Amendment. 
 SECTION 5. Effect of this Amendment. (a) Except as expressly set forth herein, this Amendment shall not by
implication or otherwise limit, impair, constitute a waiver of, or otherwise affect the rights and remedies of the Agents or the Lenders under the Credit Agreement or any other Loan Document, and shall not alter, modify, amend or in any way affect
any of the terms, conditions, obligations, covenants or agreements contained in the Credit Agreement or any other Loan Document, all of which are ratified and affirmed in all respects and shall continue in full force and effect. Nothing herein

  
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shall be deemed to entitle any Loan Party to any other consent to, or any other waiver, amendment, modification or other change of, any of the terms, conditions, obligations, covenants or
agreements contained in the Credit Agreement or any other Loan Document in similar or different circumstances. 
 (b) On and after the
Fourth Amendment Effective Date, each reference in the Credit Agreement to “this Agreement”, “herein”, “hereunder”, “hereto”, “hereof” and words of similar import shall, unless the context otherwise
requires, refer to the Credit Agreement as amended hereby, and each reference to the Credit Agreement in any other Loan Document shall be deemed to be a reference to the Credit Agreement as amended hereby. This Amendment shall constitute a
“Loan Document” for all purposes of the Credit Agreement and the other Loan Documents. 
 (c) This Amendment shall be binding upon
and inure to the benefit of the Borrower and the other Loan Parties and each of their respective successors and assigns, and upon the Administrative Agent and the Lenders and their respective successors and assigns. 

SECTION 6. Applicable Law; Jurisdiction. (a) THIS AMENDMENT AND ALL CLAIMS OR CAUSES OF ACTION (WHETHER IN CONTRACT,
TORT, OR OTHERWISE) THAT MAY BE BASED UPON, ARISE OUT OF OR RELATE IN ANY WAY TO THIS AMENDMENT, OR THE NEGOTIATION, EXECUTION OR PERFORMANCE OF THIS AMENDMENT OR THE TRANSACTIONS CONTEMPLATED HEREBY, SHALL BE CONSTRUED IN ACCORDANCE WITH AND
GOVERNED BY THE LAWS OF THE STATE OF NEW YORK, WITHOUT REGARD TO ANY PRINCIPLE OF CONFLICTS OF LAW THAT COULD REQUIRE THE APPLICATION OF ANY OTHER LAW. 

(b) Section 9.10(b) of the Credit Agreement will apply with like effect to this Amendment and any dispute arising hereunder. 

SECTION 7. Counterparts. This Amendment may be executed in counterparts (and by different parties hereto on different counterparts),
each of which shall constitute an original but all of which, when taken together, shall constitute a single instrument. Delivery of an executed counterpart of a signature page of this Amendment by facsimile or other electronic transmission shall be
effective as delivery of a manually executed counterpart hereof. 
 SECTION 8. Severability. Any provision of this Amendment that is
prohibited or unenforceable in any jurisdiction shall, as to such jurisdiction, be ineffective to the extent of such prohibition or unenforceability without invalidating the remaining provisions hereof, and any such prohibition or unenforceability
in any jurisdiction shall not invalidate or render unenforceable such provision in any other jurisdiction. 
 SECTION 9. Fees and
Expenses. The Borrower agrees to reimburse the Administrative Agent for its reasonable out-of-pocket expenses in connection with this Amendment, including the reasonable fees, charges and disbursements of Latham & Watkins LLP, counsel
for the Administrative Agent. All fees shall be payable in immediately available funds and shall not be refundable. 

  
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 [Signature Pages Follow] 

  
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 IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be duly executed by their
respective authorized officers as of the date first above written. 
  

			
	CONSTELLIUM N.V.
		
	 	 	 /s/ Pierre Vareille

		 	 Name:  Pierre Vareille

		 	 Title:    CEO

  
 [Fourth Amendment
Signature Page] 

 
	
	DEUTSCHE BANK AG NEW YORK BRANCH, as Administrative Agent and Lender
	
	 /s/ Marcus M. Tarkington

	Name:  Marcus M. Tarkington
	Title:    Director
	
	 /s/ Benjamin Souh

	Name:  Benjamin Souh
	Title:    Vice President

  
 [Fourth Amendment
Signature Page] 

 
	
	CONSENT TO FOURTH AMENDMENT
	
	 BNP PARIBAS,

	as a Lender
	
	 /s/ Antoine Joly

	Name:  Antoine Joly
	Title:    Senior Banker

  

  
 [Fourth Amendment
Signature Page] 

 
	
	CONSENT TO FOURTH AMENDMENT
	
	 GOLDMAN SACHS BANK USA,

	as a Lender
	
	 /s/ George Kevin

	Name:  George Kevin 
	Title:    Authorized Signatory

  
 [Fourth Amendment
Signature Page] 

 
	
	CONSENT TO FOURTH AMENDMENT
	
	 HSBC FRANCE SA,

	as a Lender
	
	 /s/ Sophie Vaz

	Name:  Sophie Vaz
	Title:    Authorized Signatory
	
	 /s/ Philippe Abonneau

	Name:  Philippe Abonneau
	 Title:    Head of Transaction

               Management Unit

  
 [Fourth Amendment
Signature Page] 

	
	CONSENT TO FOURTH AMENDMENT
	
	 SOCIETE GENERALE,

	as a Lender
	
	 /s/ Patrick Sandray

	Name:  Patrick Sandray 
	 Title:    Managing Director, Head of

               Leveraged Finance

  
 [Fourth Amendment
Signature Page]EX-4.15

 Exhibit 4.15 

SUPPLEMENTAL INDENTURE 

SUPPLEMENTAL INDENTURE (this “Supplemental Indenture”) dated as of March 31 2015, among CONSTELLIUM NEUF BRISACH S.A.S. (the
“New Guarantor”), a subsidiary of CONSTELLIUM N.V., (or its successor), a public company with limited liability (naamloze vennootschap) incorporated under the laws of The Netherlands (the “Issuer”) and DEUTSCHE BANK TRUST
COMPANY AMERICAS, as trustee under the indenture referred to below (the “Trustee”). 
 W I T N E S S E T H : 

WHEREAS the Issuer and the existing Guarantors have heretofore executed and delivered to the Trustee an indenture (as amended, supplemented or
otherwise modified, the “Indenture”) dated as of May 7, 2014, providing initially for the issuance of $400,000,000 in aggregate principal amount of the Issuer’s 5.750% Senior Notes due 2024 (the “Securities”); 

WHEREAS Section 4.11 of the Indenture provides that under certain circumstances the Issuer are required to cause the New Guarantor to
execute and deliver to the Trustee a supplemental indenture pursuant to which the New Guarantor shall unconditionally guarantee all the Issuer’s Obligations under the Securities and the Indenture pursuant to a Guarantee on the terms and
conditions set forth herein; and 
 WHEREAS pursuant to Section 9.01 of the Indenture, the Trustee, the Issuer and the existing
Guarantors are 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 New Guarantor, the Issuer and the Trustee mutually covenant and agree for the equal and ratable benefit of the Holders of the Securities as follows: 

1. Defined Terms. As used in this Supplemental Indenture, terms defined in the Indenture or in the preamble or recital hereto are used
herein as therein defined, except that the term “Holders” in this Guarantee shall refer to the term “Holders” as defined in the Indenture and the Trustee acting on behalf of and for the benefit of such Holders. The words
“herein,” “hereof” and “hereby” and other words of similar import used in this Supplemental Indenture refer to this Supplemental Indenture as a whole and not to any particular section hereof. 

2. Agreement to Guarantee. The New Guarantor hereby agrees, jointly and severally with all existing Guarantors (if any), to
unconditionally guarantee the Issuer’s Obligations under the Securities and the Indenture on the terms and subject to the conditions set forth in Article 10 of the Indenture and to be bound by all other applicable provisions of the Indenture
and the Securities and to perform all of the obligations and agreements of a Guarantor under the Indenture. 
 3. Notices. All
notices or other communications to the New Guarantor shall be given as provided in Section 11.03 of the Indenture. 
 4.
Ratification of Indenture; Supplemental Indentures Part of Indenture. Except as expressly amended hereby, the Indenture is in all respects ratified and confirmed and 

  
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all the terms, conditions and provisions thereof shall remain in full force and effect. This Supplemental Indenture shall form a part of the Indenture for all purposes, and every Holder of
Securities heretofore or hereafter authenticated and delivered shall be bound hereby. 
 5. Governing Law. THIS SUPPLEMENTAL
INDENTURE SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK, WITHOUT REGARD TO PRINCIPLES OF CONFLICTS OF LAW. 

6. Trustee Makes No Representation. The Trustee makes no representation as to the validity or sufficiency of this Supplemental
Indenture. 
 7. Counterparts. The parties may sign any number of copies of this Supplemental Indenture by manual, facsimile, pdf or
other electronically transmitted signature. Each signed copy shall be an original, but all of them together represent the same agreement. 

8. Effect of Headings. The Section headings herein are for convenience only and shall not affect the construction thereof. 

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

			
	CONSTELLIUM NEUF BRISACH S.A.S.
		
	By:	 	 /s/ Jeremy Leach

	Name:	 	Jeremy Leach
	Title:	 	Authorised Signatory
	
	DEUTSCHE BANK TRUST COMPANY AMERICAS
		
	By:	 	 /s/ Debra A. Schwalb

	Name:	 	Debra A. Schwalb
	Title:	 	Vice President
	
	DEUTSCHE BANK TRUST COMPANY AMERICAS
		
	By:	 	 /s/ Chris Niesz

	Name:	 	Chris Niesz
	Title:	 	Assistant Vice President

  
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