EX-4.5





 Exhibit 4.5 

EXECUTION VERSION 

SUPPLEMENTAL INDENTURE NO. 4 

SUPPLEMENTAL INDENTURE NO. 4 (this “Supplemental Indenture”) dated as of July 30, 2018, among RACKSPACE HOSTING, INC., a
Delaware corporation (the “Issuer”), RelationEdge, LLC, a Delaware limited liability company (the “New Subsidiary Guarantor”), a subsidiary of the Issuer, and WELLS FARGO BANK, NATIONAL ASSOCIATION, a national
banking association, as trustee under the indenture referred to below (the “Trustee”). 
 W I T N E S S E T H : 

WHEREAS the Issuer, certain Subsidiary Guarantors and the Trustee have heretofore executed an indenture, dated as of November 3, 2016 (as
amended, supplemented or otherwise modified, the “Indenture”), providing for the issuance of the Issuer’s 8.625% Senior Notes due 2024 (the “Notes”), initially in the aggregate principal amount of
$1,200,000,000; 
 WHEREAS Sections 4.11 and 12.07 of the Indenture provide that under certain circumstances the Issuer is required to
cause the New Subsidiary Guarantor to execute and deliver to the Trustee a supplemental indenture pursuant to which the New Subsidiary Guarantor shall unconditionally guarantee all the Issuer’s Obligations under the Notes and the Indenture
pursuant to a Subsidiary Guarantee on the terms and conditions set forth herein; and 
 WHEREAS pursuant to Section 9.01 of the
Indenture, the Trustee and the Issuer 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 Subsidiary Guarantor, the Issuer and the Trustee mutually covenant and agree for the equal and ratable benefit of the holders of the
Notes 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 Supplemental Indenture 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
Subsidiary Guarantor hereby agrees, jointly and severally with all existing Subsidiary Guarantors (if any), to unconditionally guarantee the Issuer’s Obligations under the Notes and the Indenture on the terms and subject to the conditions set
forth in Article XII of the Indenture and to be bound by all other applicable provisions of the Indenture and the Notes and to perform all of the obligations and agreements of a Subsidiary Guarantor under the Indenture. 

3.    Notices. All notices or other communications to the New Subsidiary Guarantor shall be given as provided in
Section 13.02 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 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 Notes
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, or for the recitals contained herein. 
 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 affect the
construction thereof. 
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 IN WITNESS WHEREOF, the parties have caused this Supplemental Indenture to be duly executed
as of the date first written above. 
  

			
	RACKSPACE HOSTING, INC.
		
	By:	 	/s/ Louis Alterman
		 	 Name: Louis Alterman

		 	 Title: Executive Vice President, Chief Financial Officer and
Treasurer



  

			
	 RELATIONEDGE, LLC,
 as a
Subsidiary Guarantor

		
	By:	 	/s/ Christopher Rosas
		 	 Name: Christopher J. Rosas

		 	 Title: Treasurer &
Secretary



  

			
	WELLS FARGO BANK, NATIONAL ASSOCIATION, not in its individual capacity, but solely as Trustee
		
	By:	 	Raymond Delli Colli
		 	 Name: Raymond Delli Colli

		 	 Title: Vice President



 [Signature Page to Supplemental Indenture No. 4]