Exhibit 4.3

 

SUPPLEMENTAL INDENTURE

 

SUPPLEMENTAL INDENTURE (this “Supplemental Indenture”), dated as of July 20, 2011, among Laredo Petroleum, Inc., a Delaware corporation (the “Company”), Laredo Petroleum — Dallas, Inc., a Delaware corporation (the “New Guarantor”), the Guarantors listed on Schedule A hereto (collectively, the “Existing Guarantors”) and Wells Fargo Bank, National Association, as trustee under the Indenture referred to below (the “Trustee”).

 

W I T N E S S E T H

 

WHEREAS, the Company, the Existing Guarantors and the Trustee are parties to an indenture (the “Indenture”), dated as of January 20, 2011, providing for the issuance of 91⁄2% Senior Notes due 2019 (the “Notes”);

 

WHEREAS, Section 9.01 of the Indenture provides that, without the consent of any Holders, the Company and the Existing Guarantors, when authorized by a Board Resolution of the Company, and the Trustee, at any time and from time to time, may supplement or amend the Indenture to add a Guarantor or additional obligor under the Indenture or permit any Person to guarantee the Notes and/or obligations under the Indenture;

 

WHEREAS, the New Guarantor wishes to guarantee the Notes pursuant to the Indenture;

 

WHEREAS, pursuant to Section 4.12 and Article Ten of the Indenture, the Company, the Existing Guarantors, the New Guarantor and the Trustee have agreed to enter into this Supplemental Indenture for the purposes stated herein; and

 

WHEREAS, all things necessary have been done to make this Supplemental Indenture, when executed and delivered by the Company, the Existing Guarantors and the New Guarantor, the legal, valid and binding agreement of the Company, the Existing Guarantors  and the New Guarantor, in accordance with its terms.

 

NOW THEREFORE, in consideration of the foregoing and for other good and valuable consideration, the receipt of which is hereby acknowledged, the Company, the New Guarantor, the Existing Guarantors  and the Trustee mutually covenant and agree for the equal and ratable benefit of the Holders of the Notes as follows:

 

Section 1.  Capitalized Terms.  Capitalized terms used herein without definition shall have the meanings assigned to them in the Indenture.

 

Section 2.  Guarantee.  The New Guarantor hereby guarantees, on a senior unsecured basis, to each Holder of a Note and to the Trustee, the obligations of the Company under the Indenture and the Notes pursuant to the terms and conditions of Article Ten of the Indenture (such guarantee, a “Guarantee”) and the New Guarantor agrees to be bound as a Guarantor under the Indenture as if and to the same extent as the New Guarantor had been a signatory thereto as an Initial Guarantor; provided that the New Guarantor can be released from its Guarantee to the same extent as any other Guarantor under the Indenture.

 











 

Section 3.  GOVERNING LAW.  THIS SUPPLEMENTAL INDENTURE SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK.

 

Section 4.  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.  Delivery of an executed counterpart of this Supplemental Indenture by facsimile or electronic transmission shall be equally as effective as delivery of an original executed counterpart of this Supplemental Indenture.  Any party delivering an executed counterpart of this Supplemental Indenture by facsimile or electronic transmission also shall deliver an original executed counterpart of this Supplemental Indenture, but the failure to deliver an original executed counterpart shall not affect the validity, enforceability and binding effect of this Supplemental Indenture.

 

Section 5.  Effect of Headings.  The section headings herein are for convenience only and shall not affect the construction hereof.

 

Section 6.  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 Company, Existing Guarantors and the New Guarantors.

 

[REMAINDER OF PAGE INTENTIONALLY LEFT BLANK]

 

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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.

 

 

	
 
    	
LAREDO PETROLEUM, INC.
    
	
 
    	
 
    	
 
    
	
 
    	
 
    	
 
    
	
 
    	
By:
    	
/s/ W. Mark Womble
    
	
 
    	
 
    	
Name: W. Mark Womble
    
	
 
    	
 
    	
Title: Senior Vice President and Chief Financial   Officer
    
	
 
    	
 
    	
 
    
	
 
    	
 
    	
 
    
	
 
    	
LAREDO PETROLEUM —   DALLAS, INC.
    
	
 
    	
 
    	
 
    
	
 
    	
 
    	
 
    
	
 
    	
By:
    	
/s/ Jerry Schuyler
    
	
 
    	
 
    	
Name: Jerry Schuyler
    
	
 
    	
 
    	
Title: President
    
	
 
    	
 
    	
 
    
	
 
    	
 
    	
 
    
	
 
    	
LAREDO PETROLEUM, LLC
    
	
 
    	
LAREDO GAS SERVICES, LLC
    
	
 
    	
LAREDO PETROLEUM   TEXAS, LLC
    
	
 
    	
 
    	
 
    
	
 
    	
 
    	
 
    
	
 
    	
By:
    	
/s/ Jerry Schuyler
    
	
 
    	
 
    	
Name: Jerry Schuyler
    
	
 
    	
 
    	
Title: President
    


 

[Signature Page to Supplemental Indenture]

 











 

	
 
    	
WELLS FARGO BANK,   NATIONAL ASSOCIATION,
    
	
 
    	
as Trustee
    
	
 
    	
 
    	
 
    
	
 
    	
By:
    	
/s/ Patrick Giordano
    
	
 
    	
 
    	
Authorized Signatory
    


 

[Signature Page to Supplemental Indenture]

 











 

SCHEDULE A

 

EXISTING GUARANTORS

 

1.               Laredo Petroleum, LLC, a Delaware limited liability company.

 

2.               Laredo Gas Services, LLC, a Delaware limited liability company.

 

3.               Laredo Petroleum Texas, LLC, a Texas limited liability company.

 

A-1