exv4w6







Exhibit 4.6




SECOND SUPPLEMENTAL INDENTURE




     This Second Supplemental Indenture (this “Supplemental Indenture”), dated as of
January 13, 2009, among Key Energy Mexico, LLC, a Delaware limited liability company (the “New
Guarantor”), a subsidiary of Key Energy Services, Inc., a Maryland corporation (the “Company”), the
existing Guarantors (as defined in the Indenture referred to herein) and The Bank of New York
Mellon Trust Company, N.A. (f/k/a The Bank of New York Trust Company, N.A.), as trustee under the
Indenture referred to herein (the “Trustee”). The New Guarantor and the existing Guarantors are
sometimes referred to collectively herein as the “Guarantors”, or individually as a “Guarantor.”



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 (as supplemented by the First Supplemental Indenture dated January 22, 2008,
the “Indenture”), dated as of November 29,
2007, relating to the
83/8% Senior Notes due 2014 (the
“Securities”) of the Company;



     WHEREAS, Section 4.10 of the Indenture provides that if any Restricted Subsidiary
(other than a Foreign Subsidiary) of the Company that is not already a Guarantor incurs any
Indebtedness, or guarantees any other Indebtedness of the Company or a Guarantor, in either case in
excess of a De Minimis Amount, then the Company shall cause that Restricted Subsidiary to become a
Guarantor by executing a supplemental indenture and delivering it to the Trustee within 180 days of
the date on which it incurred or guaranteed such Indebtedness, as the case may be; and



     WHEREAS, pursuant to Section 9.1 of the Indenture, the Company, the Guarantors and the
Trustee are authorized to execute and deliver this Supplemental Indenture to amend or supplement
the Indenture without notice to, or the consent of, any Holder;



     NOW THEREFORE, to comply with the provisions of the Indenture and in consideration of the
foregoing and for other good and valuable consideration, the receipt of which is hereby
acknowledged, the New Guarantor, the existing Guarantors, the Company and the Trustee mutually
covenant and agree for the equal and ratable benefit of the Holders of the Securities 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 New Guarantor hereby agrees, jointly and severally,
with all other Guarantors, to guarantee to each Holder and to the Trustee the Guaranteed
Obligations, to the extent set forth in the Indenture and subject to the provisions in the
Indenture. The obligations of the Guarantors to the Holders of Securities and to the Trustee
pursuant to the Subsidiary Guarantees and the Indenture are expressly set forth in Article
X of the Indenture and reference is hereby made to the Indenture for the precise terms of the
Subsidiary Guarantees.



 









 





     3. Execution and Delivery. The New Guarantor agrees that its Subsidiary
Guarantee shall remain in full force and effect notwithstanding any failure to endorse on each
Security a notation of such Subsidiary Guarantee.



     4. NEW YORK LAW TO GOVERN. THE LAWS OF THE STATE OF NEW YORK SHALL GOVERN AND BE USED TO
CONSTRUE AND ENFORCE THIS SUPPLEMENTAL INDENTURE.



     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. This Supplemental Indenture may be executed in multiple counterparts which, when taken
together, shall constitute one instrument.



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



     7. The Trustee. Except as otherwise expressly provided herein, no duties,
responsibilities or liabilities are assumed, or shall be construed to be assumed, by the Trustee by
reason of this Supplemental Indenture. This Supplemental Indenture is executed and accepted by the
Trustee subject to all the terms and conditions set forth in the Indenture with the same force and
effect as if those terms and conditions were repeated at length herein and made applicable to the
Trustee with respect hereto.



[Remainder of Page Intentionally Left Blank.




Signature Page Follows.]




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     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.



	 	 	 	 	 	 	 
	 	 	Key Energy Mexico, LLC	 	 
	 
	 	 	 	 	 	 
	 

	 	By:
	 	/s/ WILLIAM M. AUSTIN
 

Name: William M. Austin
	 	 
	 

	 	 	 	Title: Vice President and Assistant Treasurer	 	 
	 
	 	 	 	 	 	 
	 	 	Key Electric Wireline Services, LLC	 	 
	 	 	Key Energy Fishing & Rental Services, LLC	 	 
	 	 	Key Energy Pressure Pumping Services, LLC	 	 
	 	 	Key Energy Services, LLC	 	 
	 	 	Key Energy Services Mexico, Inc.	 	 
	 	 	Key Energy Services (Mexico), LLC	 	 
	 	 	Key Energy Shared Services, LLC*	 	 
	 	 	Key Marine Services, LLC	 	 
	 	 	Misr Key Energy Investments, LLC	 	 
	 	 	Misr Key Energy Services, LLC	 	 
	 
	 	 	 	 	 	 
	 

	 	By:
	 	/s/ WILLIAM M. AUSTIN
 

Name: William M. Austin
	 	 
	 

	 	 	 	Title: Vice President and Assistant Treasurer	 	 
	 

	 	 	 	     * Signing in Capacity of President	 	 
	 
	 	 	 	 	 	 
	 	 	Key Energy Services, Inc.	 	 
	 
	 	 	 	 	 	 
	 

	 	By:
	 	/s/ RICHARD J. ALARIO
 

Name: Richard J. Alario
	 	 
	 

	 	 	 	Title: President and Chief Executive Officer	 	 
	 
	 	 	 	 	 	 
	 	 	The Bank of New York Mellon Trust Company, N.A.
(f/k/a The Bank of New York Trust Company,
N.A.),	 	 
	 	 	as Trustee	 	 
	 
	 	 	 	 	 	 
	 

	 	By:
	 	/s/ JULIE HOFFMAN-RAMOS
 

Authorized Signatory
	 	 







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