Document:

EX-4.3

 Exhibit 4.3 

SECOND SUPPLEMENTAL INDENTURE 

Second Supplemental Indenture (this “Supplemental Indenture”), dated as of August 14, 2018, among Life Account, L.L.C.,
a Texas limited liability company (the “Guaranteeing Subsidiary”), a subsidiary of Tempo Acquisition, LLC, a Delaware limited liability company (the “Issuer”), and Wilmington Trust, National Association, a national
banking association, as trustee (the “Trustee”), Transfer Agent, Registrar and Paying Agent. 
 W I T N E S S E T H 

WHEREAS, the Issuer, Tempo Acquisition Finance Corp. and the Guarantors have heretofore executed and delivered to the Trustee an Indenture
(the “Indenture”), dated as of May 1, 2017, providing for the issuance of $500,000,000 aggregate principal amount of 6.750% Senior Notes due 2025 (the “Initial Notes”), and the First Supplemental Indenture,
dated as of November 27, 2017, to the Indenture providing for the issuance of an additional $180,000,000 aggregate principal amount of 6.750% Senior Notes due 2025 (together with the Initial Notes, the “Notes”); 

WHEREAS, the Indenture provides that under certain circumstances the Guaranteeing Subsidiary shall execute and deliver to the Trustee a
supplemental indenture pursuant to which the Guaranteeing Subsidiary shall unconditionally guarantee all of the Issuers’ Obligations under the Notes and the Indenture on the terms and conditions set forth herein and under the Indenture (the
“Guarantee”); 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) Agreement to Guarantee. The Guaranteeing Subsidiary acknowledges that it has received and reviewed a copy of the Indenture and all
other documents it deems necessary to review in order to enter into this Supplemental Indenture, and acknowledges and agrees to (i) join and become a party to the Indenture as indicated by its signature below; (ii) be bound by the
Indenture, as of the date hereof, as if made by, and with respect to, each signatory hereto; and (iii) perform all obligations and duties required of a Guarantor pursuant to the Indenture. The Guaranteeing Subsidiary hereby agrees to provide an
unconditional Guarantee on the terms and subject to the conditions set forth in the Indenture, including, but not limited to, Article 10 thereof. 

(3) Execution and Delivery. The Guaranteeing Subsidiary agrees that the Guarantee shall remain in full force and effect notwithstanding
the absence of the endorsement of any notation of such Guarantee on the Notes. 

  
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 (4) No Recourse Against Others. No past, present or future director, officer,
employee, incorporator, member, partner or stockholder of the Issuers or the Guaranteeing Subsidiary shall have any liability for any obligations of the Issuers or the Guarantors (including the Guaranteeing Subsidiary) under the Notes, any
Guarantees, the Indenture or this Supplemental Indenture or for any claim based on, in respect of, or by reason of, such obligations or their creation. Each Holder by accepting Notes waives and releases all such liability. The waiver and release are
part of the consideration for issuance of the Notes. 
 (5) Governing Law. THIS SUPPLEMENTAL INDENTURE, AND ANY CLAIM, CONTROVERSY OR
DISPUTE ARISING UNDER OR RELATED TO THIS SUPPLEMENTAL INDENTURE, WILL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK. 

(6) 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. The exchange of copies of this Supplemental Indenture and of
signature pages by facsimile or PDF transmissions shall constitute effective execution and delivery of this Supplemental Indenture as to the parties hereto and may be used in lieu of the original Supplemental Indenture for all purposes. Signatures
of the parties hereto transmitted by facsimile or PDF shall be deemed to be their original signatures for all purposes. 
 (7) Effect of
Headings. The Section headings herein are for convenience only and shall not affect the construction hereof. 
 (8) 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
Guaranteeing Subsidiary. 
 (9) Benefits Acknowledged. The Guaranteeing Subsidiary’s Guarantee is subject to the terms and
conditions set forth in the Indenture. The Guaranteeing Subsidiary acknowledges that it will receive direct and indirect benefits from the financing arrangements contemplated by the Indenture and this Supplemental Indenture and that the guarantee
and waivers made by it pursuant to this Guarantee are knowingly made in contemplation of such benefits. 
 (10) Successors. All
agreements of the Guaranteeing Subsidiary in this Supplemental Indenture shall bind its successors, except as otherwise provided in this Supplemental Indenture. All agreements of the Trustee in this Supplemental Indenture shall bind its successors.

 (11) 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 shall be bound hereby.

 [Signature Page Follows] 

  
 2 

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

			
	LIFE ACCOUNT, L.L.C.
		
	By:	 	 /s/ Katie J. Rooney

		 	Name: Katie J. Rooney
		 	Title: Chief Financial Officer
	
	WILMINGTON TRUST, NATIONAL ASSOCIATION, as Trustee
		
	By:	 	 /s/ Jane Y. Schweiger

		 	Name: Jane Y. Schweiger
		 	Title: Vice President

 [Signature Page to Second Supplemental Indenture]EX-4.4

 Exhibit 4.4 

THIRD SUPPLEMENTAL INDENTURE 

Third Supplemental Indenture (this “Supplemental Indenture”), dated as of February 13, 2019, among Carlson Management
Consulting, LLC, a Delaware limited liability company (the “Guaranteeing Subsidiary”), a subsidiary of Tempo Acquisition, LLC, a Delaware limited liability company (the “Issuer”), and Wilmington Trust, National
Association, a national banking association, as trustee (the “Trustee”), Transfer Agent, Registrar and Paying Agent. 
 W I
T N E S S E T H 
 WHEREAS, the Issuer, Tempo Acquisition Finance Corp. and the Guarantors have heretofore executed and delivered to the
Trustee an Indenture (as supplemented from time to time, the “Indenture”), dated as of May 1, 2017, providing for the issuance of $500,000,000 aggregate principal amount of 6.750% Senior Notes due 2025 (the “Initial
Notes”), and the First Supplemental Indenture, dated as of November 27, 2017, to the Indenture providing for the issuance of an additional $180,000,000 aggregate principal amount of 6.750% Senior Notes due 2025 (together with the
Initial Notes, the “Notes”); 
 WHEREAS, the Indenture provides that under certain circumstances the Guaranteeing
Subsidiary shall execute and deliver to the Trustee a supplemental indenture pursuant to which the Guaranteeing Subsidiary shall unconditionally guarantee all of the Issuers’ Obligations under the Notes and the Indenture on the terms and
conditions set forth herein and under the Indenture (the “Guarantee”); 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)    Agreement to Guarantee. The Guaranteeing Subsidiary acknowledges that it has received
and reviewed a copy of the Indenture and all other documents it deems necessary to review in order to enter into this Supplemental Indenture, and acknowledges and agrees to (i) join and become a party to the Indenture as indicated by its
signature below; (ii) be bound by the Indenture, as of the date hereof, as if made by, and with respect to, each signatory hereto; and (iii) perform all obligations and duties required of a Guarantor pursuant to the Indenture. The
Guaranteeing Subsidiary hereby agrees to provide an unconditional Guarantee on the terms and subject to the conditions set forth in the Indenture, including, but not limited to, Article 10 thereof. 

(3)    Execution and Delivery. The Guaranteeing Subsidiary agrees that the Guarantee shall remain in full force and
effect notwithstanding the absence of the endorsement of any notation of such Guarantee on the Notes. 
 (4)    No
Recourse Against Others. No past, present or future director, officer, employee, incorporator, member, partner or stockholder of the Issuers or the Guaranteeing Subsidiary shall have any liability for any obligations of the Issuers or the
Guarantors (including the Guaranteeing Subsidiary) under the Notes, any Guarantees, the Indenture or this Supplemental Indenture or for any claim based on, in respect of, or by reason of, such obligations or their creation. Each Holder by accepting
Notes waives and releases all such liability. The waiver and release are part of the consideration for issuance of the Notes. 

  
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 (5)    Governing Law. THIS SUPPLEMENTAL INDENTURE, AND ANY CLAIM,
CONTROVERSY OR DISPUTE ARISING UNDER OR RELATED TO THIS SUPPLEMENTAL INDENTURE, WILL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK. 

(6)    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. The exchange of copies of this
Supplemental Indenture and of signature pages by facsimile or PDF transmissions shall constitute effective execution and delivery of this Supplemental Indenture as to the parties hereto and may be used in lieu of the original Supplemental Indenture
for all purposes. Signatures of the parties hereto transmitted by facsimile or PDF shall be deemed to be their original signatures for all purposes. 

(7)    Effect of Headings. The Section headings herein are for convenience only and shall not affect the
construction hereof. 
 (8)    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 Guaranteeing Subsidiary. 

(9)    Benefits Acknowledged. The Guaranteeing Subsidiary’s Guarantee is subject to the terms and conditions
set forth in the Indenture. The Guaranteeing Subsidiary acknowledges that it will receive direct and indirect benefits from the financing arrangements contemplated by the Indenture and this Supplemental Indenture and that the guarantee and waivers
made by it pursuant to this Guarantee are knowingly made in contemplation of such benefits. 

(10)    Successors. All agreements of the Guaranteeing Subsidiary in this Supplemental Indenture shall bind its
successors, except as otherwise provided in this Supplemental Indenture. All agreements of the Trustee in this Supplemental Indenture shall bind its successors. 

(11)    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
shall be bound hereby. 
 [Signature Page Follows] 

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

			
	CARLSON MANAGEMENT CONSULTING, LLC
		
	By:	 	/s/ Katie J. Rooney
		 	Name: Katie J. Rooney
		 	Title: Chief Financial Officer
	
	WILMINGTON TRUST, NATIONAL ASSOCIATION, as Trustee
		
	By:	 	/s/ Jane Y. Schweiger
		 	Name: Jane Y. Schweiger
		 	Title: Vice President

  
 [Signature Page to
Third Supplemental Indenture]

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