EX-4.1(h)



 Exhibit 4.1(h) 
 SUPPLEMENTAL INDENTURE 
 This SUPPLEMENTAL INDENTURE, dated as of January 26,
2012 (this “Supplemental Indenture”), is entered into by and among WireCo WorldGroup Inc. (the “Company”), the guarantors identified herein as parties, and U.S. Bank National Association, as Trustee (the
“Trustee”). 
 W I T N E S S E T H : 
 WHEREAS the Company and the existing Guarantors have heretofore executed and delivered to the Trustee an Indenture, dated as of May 19, 2010 (as amended, supplemented or otherwise modified in
accordance with its terms, the “Indenture”), providing for the issuance on May 19, 2010 of 9.5% Senior Notes due 2017, in aggregate principal amount of $275,000,000 and the issuance on June 10, 2011 of 9.5% Senior Notes
due 2017 in aggregate principal amount of $150,000,000 (collectively the “Notes”); 
 WHEREAS Section 4.18
of the Indenture provides, in part, that if any Affiliate Guarantor acquires or creates a Restricted Subsidiary after the Issue Date, such Subsidiary shall become an Affiliate Guarantor; 

WHEREAS Section 8.01 of the Indenture provides that without the consent of any Holder of Notes, the Company, the Guarantors and the
Trustee may amend or supplement the Indenture, the Notes or the Notes Guarantees to allow any Guarantor to execute a supplemental indenture and/or Note Guarantee with respect to the Notes; 

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 Company and the Trustee mutually covenant and agree for the equal and ratable benefit of the Holders of the Securities as follows: 
 1. Defined Terms. Capitalized terms used but not defined herein shall have the meanings assigned thereto in the Indenture. 
 2. Agreement to Guarantee. The New Guarantor hereby agrees, jointly and severally with all existing Guarantors, to unconditionally guarantee the Company’s obligations under the Securities on
the terms and subject to the conditions set forth in Article Ten 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 Guarantors shall be given as provided in
Section 11.02 of the Indenture. 
 4. Ratification of Indenture; Supplemental Indenture Part of Indenture. Except as
expressly amended hereby, the Indenture is in all respects ratified and confirmed and 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. 
 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. 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 effect 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 day and year first written above. 
  

			
	WIRECO WORLDGROUP INC.
		
	 By:
	 	/s/ Ira Glazer
		 	Name: Ira Glazer
		 	Title: President and CEO


 [Signature Page to Wireco Comercial Portugal Supplemental Indenture] 







  

			
	THE NEW GUARANTOR:
	  
 WIRECO
WORLDGROUP COMERCIAL,
 UNIPESSOAL, LDA.

		
	 By:
	 	/s/ Ira Glazer
		 	Name: Ira Glazer
		 	Title: Chairman of the Management Board


 [Signature Page to Wireco Comercial Portugal Supplemental Indenture] 







  

			
	 U.S. BANK NATIONAL ASSOCIATION,

As Trustee

		
	 By:
	 	/s/ John J. Doherty
		 	  

		 	Name: John J. Doherty
		 	Title: Vice President


 [Signature Page to Wireco Comercial Portugal Supplemental Indenture]