EX-4.3





 Exhibit 4.3 

SUPPLEMENTAL INDENTURE 

Supplemental Indenture (this “Supplemental Indenture”), dated as of May 22, 2020, among Centennial Resource Development,
Inc., a Delaware corporation (the “Parent Guarantor”), the parent of Centennial Resource Production, LLC, a Delaware limited liability company (the “Company”), and UMB Bank, N.A., as trustee (the
“Trustee”). 
 W I T N E S S E T H 

WHEREAS, each of the Company and the Guarantors (as defined in the Indenture referred to below) has heretofore executed and delivered to the
Trustee an indenture (the “Indenture”), dated as of March 15, 2019, providing for the issuance of an unlimited aggregate principal amount of 6.875% Senior Notes due 2027 (the “Notes”); 

WHEREAS, the Indenture provides that under certain circumstances the Parent Guarantor shall execute and deliver to the Trustee a supplemental
indenture pursuant to which the Parent Guarantor shall unconditionally Guarantee all of the Company’s Obligations under the Notes and the Indenture on the terms and conditions set forth herein and under the Indenture; and 

WHEREAS, pursuant to Section 9.01 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 parties mutually covenant and agree for the equal and ratable benefit of the Holders as follows: 
  

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


  

	2.	 Guarantor. The Parent Guarantor hereby agrees to be a Guarantor under the Indenture and to be bound by
the terms of the Indenture applicable to Guarantors, including Article 10 thereof. 


  

	3.	 Governing Law. THIS SUPPLEMENTAL INDENTURE WILL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH,
THE LAWS OF THE STATE OF NEW YORK. 


  

	4.	 Waiver of Jury Trial. EACH OF THE PARENT GUARANTOR AND THE TRUSTEE HEREBY IRREVOCABLY WAIVES, TO THE
FULLEST EXTENT PERMITTED BY APPLICABLE LAW, ANY AND ALL RIGHT TO TRIAL BY JURY IN ANY LEGAL PROCEEDING ARISING OUT OF OR RELATING TO THIS SUPPLEMENTAL INDENTURE, THE INDENTURE, THE NOTES, THE NOTE GUARANTEES OR THE TRANSACTIONS CONTEMPLATED HEREBY
OR THEREBY. 


  

	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.	 Headings. The headings of the Sections of this Supplemental Indenture have been inserted for convenience
of reference only, are not to be considered a part of this Supplemental Indenture and shall in no way modify or restrict any of the terms or provisions hereof. 



[Signatures on following page] 












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

			
	CENTENNIAL RESOURCE DEVELOPMENT, INC., as Parent Guarantor
		
	By:	 	 /s/ George S. Glyphis

	Name:	 	George S. Glyphis
	Title:	 	Vice President, Chief Financial Officer and
		 	Assistant Secretary
	
	UMB BANK, N.A., as Trustee
		
	By:	 	 /s/ Mauri J. Cowen

	Name:	 	Mauri J. Cowen
	Title:	 	Senior Vice President


 Signature Page to Supplemental Indenture