Document:

EX-4.30

 Exhibit 4.30 

FIFTH SUPPLEMENTAL INDENTURE (this “Fifth Supplemental Indenture”) dated as of [●], 2019, among HISTORIC TW
INC., a Delaware corporation (the “Company”), WARNER MEDIA, LLC, a Delaware limited liability company and successor by merger to TIME WARNER INC. (“WM”), HISTORIC AOL LLC (formerly known as AOL LLC), a Delaware
limited liability company (“AOL”), TURNER BROADCASTING SYSTEM, INC., a Georgia corporation (“TBS”), HOME BOX OFFICE, INC., a Delaware corporation (“HBO”), and THE BANK OF NEW YORK MELLON (formerly
known as The Bank of New York, as successor trustee to The Chase Manhattan Bank), a New York banking corporation, as trustee (the “Trustee”). 

W I T N E S S E T H 
 WHEREAS,
the Company, WM, AOL, TBS and HBO have executed and delivered to the Trustee an Indenture, dated as of June 1, 1998, as amended and supplemented by the First Supplemental Indenture, dated as of January 11, 2001, the Second Supplemental
Indenture, dated as of April 16, 2009, the Third Supplemental Indenture, dated as of December 3, 2009 and the Fourth Supplemental Indenture, dated as of June 14, 2018, and as further amended and supplemented hereby (the
“Indenture”), under which the Company has issued U.S.$1,000,000,000 of its 6 5/8% Debentures due 2029 (the “6 5/8% Debentures”); 

WHEREAS, Section 9.02 of the Indenture provides, among other things, that, with the consent of the Holders of not less than a majority in
principal amount of the Outstanding Securities of all series affected by such supplemental indenture (acting as one class), by Act of said Holders delivered to the Company and the Trustee, the Company, when authorized by a Board Resolution, and the
Trustee may, subject to certain exceptions noted therein, enter into a supplemental indenture for the purpose of adding any provisions to or changing in any manner or eliminating any provisions of the Indenture or of modifying in any manner the
rights of the Holders of the Securities of each such series under the Indenture; 
 WHEREAS, AT&T Inc., a Delaware corporation
(“AT&T”) has solicited consents from the Holders of the 6 5/8% Debentures to certain proposed amendments (the “Proposed Amendments”) to the Indenture as described in the prospectus, dated as of May [●],
2019, filed with the Securities and Exchange Commission, forming part of AT&T’s Registration Statement on Form S-4, setting forth the terms and conditions of the offers by AT&T to exchange any and
all of the outstanding 6 5/8% Debentures for new notes issued by AT&T, and in the offer to purchase, dated as of May [•], 2019, setting forth the terms and conditions of the offers by AT&T to purchase for cash any and all of the
outstanding 6 5/8% Debentures, and set forth in Section 2 of this Fifth Supplemental Indenture; 
 WHEREAS, AT&T has received and
caused to be delivered to the Trustee evidence of the consents from Holders of at least a majority of the outstanding aggregate principal amount of the 6 5/8% Debentures to effect the Proposed Amendments under the Indenture with respect to the 6
5/8% Debentures; 

 WHEREAS, the Company is authorized by a Board Resolution to enter into this Fifth
Supplemental Indenture; 
 WHEREAS, the Company has requested that the Trustee execute and deliver this Fifth Supplemental Indenture; and

 WHEREAS, the execution and delivery of this Fifth Supplemental Indenture has been duly authorized by the parties hereto, and all other
acts and requirements necessary to make this Fifth Supplemental Indenture a valid and binding supplement to the Indenture effectively amending the Indenture as set forth herein have been duly taken. 

NOW, THEREFORE, in consideration of the foregoing and for other good and valuable consideration, the receipt and sufficiency of which are
hereby acknowledged, the Company, WM, AOL, TBS, HBO and the Trustee mutually covenant and agree as follows: 
 SECTION
1.    Definitions. 
 (a)    Unless otherwise provided herein, the capitalized terms used and
not defined herein have the meanings ascribed to such terms in the Indenture. 
 (b)    Any definitions used exclusively
in the provisions of the Indenture or the 6 5/8% Debentures that are deleted pursuant to the amendments set forth under this Fifth Supplemental Indenture, and any definitions used exclusively within such definitions, are hereby deleted in their
entirety from the Indenture and the 6 5/8% Debentures, and all textual references in the Indenture and the 6 5/8% Debentures exclusively relating to paragraphs, Sections, Clauses or other terms or provisions of the Indenture that have been otherwise
deleted pursuant to this Fifth Supplemental Indenture are hereby deleted in their entirety. The words “herein,” “hereof” and “hereby” and other words of similar import used in this Fifth Supplemental Indenture refer to
this Fifth Supplemental Indenture as a whole and not to any particular Section hereof. 
 SECTION 2.    Amendment to
the Indenture. 
 (a)    The Indenture shall hereby be amended by deleting the following Sections or clauses of the
Indenture and all references and definitions related thereto (to the extent not otherwise used in any other Section of the Indenture or the 6 5/8% Debentures) in their entirety, and these Sections and clauses shall be of no further force and effect,
and shall no longer apply to the 6 5/8% Debentures, and the words “[INTENTIONALLY DELETED]” shall be inserted, in each case, in place of the deleted text: 

Section 10.05 (Legal Existence) 

Section 10.06 (Limitation on Liens) 

  
 -2- 

 (b)    Section 8.01 of the Indenture (Consolidation, Merger,
Conveyance or Transfer on Certain Terms) is hereby deleted and replaced in its entirety by the following: 
 “The Company shall not
consolidate with or merge into any other Person, unless: 
 (1) the Person formed by such consolidation or into which the Company is merged
shall expressly assume, by an indenture supplemental hereto, executed and delivered to the Trustee, in form satisfactory to the Trustee, the due and punctual payment of the principal of (and premium, if any) and interest on all the Securities and
the performance of every covenant of this Indenture (as supplemented from time to time) on the part of the Company to be performed or observed; and 

(2) the Company has delivered to the Trustee an Officers’ Certificate and an Opinion of Counsel each stating that such consolidation or
merger and such supplemental indenture comply with this Article and that all conditions precedent herein provided for relating to such transaction have been complied with.” 

(c)    Section 8.02 of the Indenture (Successor Person Substituted) is hereby deleted and replaced in its
entirety by the following: 
 “Upon any consolidation or merger of the Company in accordance with Section 8.01, the successor
Person formed by such consolidation or into which the Company is merged shall succeed to, and be substituted for, and may exercise every right and power of, the Company under this Indenture with the same effect as if such successor had been named as
the Company herein.” 
 (d)    Section 5.01(4) of the Indenture (Events of Default) shall be deleted in
its entirety and the words “[INTENTIONALLY DELETED]” shall be inserted in place of the deleted text. For the avoidance of doubt, the reference to Section 5.01(4) in the first sentence of Section 5.02 of the Indenture
(Acceleration of Maturity; Rescission and Annulment) shall be deleted. 
 (e)    The failure to comply with the
terms of any of the deleted Sections or deleted Clauses of the Indenture set forth above shall no longer constitute a Default or Event of Default under the Indenture with respect to the 6 5/8% Debentures and shall no longer have any consequence
under the Indenture. 
 SECTION 3.    This Fifth Supplemental Indenture. This Fifth Supplemental Indenture shall
be construed as supplemental to the Indenture and shall form a part of it, and the Indenture is hereby incorporated by reference herein and each is hereby ratified, approved and confirmed. 

SECTION 4.    GOVERNING LAW. THIS FIFTH SUPPLEMENTAL INDENTURE SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE
WITH THE LAWS OF THE STATE OF NEW YORK. 
 SECTION 5.    WAIVER OF JURY TRIAL. EACH OF THE COMPANY, WM, AOL, HBO,
TBS 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 FIFTH SUPPLEMENTAL INDENTURE OR THE TRANSACTIONS
CONTEMPLATED HEREBY. 

  
 -3- 

 SECTION 6.    Counterparts. This Fifth Supplemental Indenture may
be executed in two or more counterparts, each of which shall constitute an original, but all of which when taken together shall constitute but one instrument. 

SECTION 7.    Headings. The headings of this Fifth Supplemental Indenture are for reference only and shall not
limit or otherwise affect the meaning hereof. 
 SECTION 8.    Trustee Not Responsible for Recitals. The recitals
herein contained are made by the Company, WM, AOL, TBS and HBO and not by the Trustee, and the Trustee assumes no responsibility for the correctness thereof. The Trustee shall not be responsible in any manner whatsoever for or in respect of the
validity or sufficiency of this Fifth Supplemental Indenture. 
 SECTION 9.    Separability. In case any one or
more of the provisions contained in this Fifth Supplemental Indenture or in the Securities shall for any reason be held to be invalid, illegal or unenforceable in any respect, such invalidity, illegality or unenforceability shall not affect any
other provisions of this Fifth Supplemental Indenture or of the Securities, but this Fifth Supplemental Indenture and the Securities shall be construed as if such invalid or illegal or unenforceable provision had never been contained herein or
therein. 
 SECTION 10.    Conflict with Trust Indenture Act. If any provision hereof limits, qualifies or
conflicts with another provision hereof which is required to be included in this Fifth Supplemental Indenture by any of the provisions of the Trust Indenture Act, such required provision shall control. 

SECTION 11.    Successors and Assigns. All covenants and agreements in this Fifth Supplemental Indenture by the
Company shall bind its successors and assigns, whether so expressed or not. 
 SECTION 12.    Effectiveness. This
Fifth Supplemental Indenture shall become effective upon execution by all parties hereto. The Proposed Amendments set forth in Section 2 of this Fifth Supplemental Indenture shall become effective with respect to the 6 5/8% Debentures on the
Settlement Date (as defined in the Prospectus). 
 SECTION 13.    Benefits of Fifth Supplemental Indenture.
Nothing in this Fifth Supplemental Indenture, express or implied, shall give to any person, other than the parties hereto and their successors hereunder and the Holders, any benefit or any legal or equitable right, remedy, or claim under this Fifth
Supplemental Indenture. 
 [Remainder of Page Intentionally Left Blank] 

  
 -4- 

 IN WITNESS WHEREOF, the parties hereto have caused this Fifth Supplemental Indenture to be
duly executed by their respective authorized officers as of the date first written above. 
  

			
	HISTORIC TW INC.,
		
	by	 	  

	Name:	 	
	Title:	 	
	
	WARNER MEDIA, LLC,
		
	by	 	  

	Name:	 	
	Title:	 	
	
	TURNER BROADCASTING SYSTEM, INC.,
		
	by	 	  

	Name:	 	
	Title:	 	
	
	HOME BOX OFFICE, INC.,
		
	by	 	  

	Name:	 	
	Title:	 	
	
	HISTORIC AOL LLC,
		
	by	 	Warner Media, LLC, as sole member of Historic AOL LLC
		
	by	 	  

	Name:	 	
	Title:	 	

  
 [Signature Page to Fifth
Supplemental Indenture] 

 
			
	THE BANK OF NEW YORK MELLON, as Trustee,

 
			
		
	by	 	  

	Name:	 	
	Title:	 	

 [Signature Page to Fifth Supplemental Indenture]EX-4.31

 Exhibit 4.31 

FOURTH SUPPLEMENTAL INDENTURE (this “Fourth Supplemental Indenture”) dated as of [●], 2019, among WARNER MEDIA,
LLC, a Delaware limited liability company and successor by merger to TIME WARNER INC. (the “Company”), HISTORIC TW INC., a Delaware corporation (“HTW”), HISTORIC AOL LLC (formerly known as AOL LLC), a Delaware
limited liability company (“AOL”), TURNER BROADCASTING SYSTEM, INC., a Georgia corporation (“TBS”), HOME BOX OFFICE, INC., a Delaware corporation (“HBO”), and THE BANK OF NEW YORK MELLON (formerly
known as The Bank of New York, as successor trustee to The Chase Manhattan Bank), a New York banking corporation, as trustee (the “Trustee”). 

W I T N E S S E T H 
 WHEREAS,
the Company, HTW, AOL, TBS and HBO have executed and delivered to the Trustee an Indenture, dated as of April 19, 2001, as amended and supplemented by the First Supplemental Indenture, dated as of April 16, 2009, the Second Supplemental
Indenture, dated as of December 3, 2009, and the Third Supplemental Indenture, dated as of June 14, 2018, and as further amended and supplemented hereby (the “Indenture”), under which the Company has issued
(i) U.S.$2,000,000,000 of its 7.625% Debentures due 2031 and (ii) U.S.$2,000,000,000 of its 7.700% Debentures due 2032 (collectively, the “Notes”); 

WHEREAS, Section 9.02 of the Indenture provides, among other things, that, with the consent of the Holders of not less than a majority in
principal amount of the Outstanding Securities of all series affected by such supplemental indenture (acting as one class), by Act of said Holders delivered to the Company and the Trustee, the Company, when authorized by a Board Resolution, and the
Trustee may, subject to certain exceptions noted therein, enter into a supplemental indenture for the purpose of adding any provisions to or changing in any manner or eliminating any provisions of the Indenture or of modifying in any manner the
rights of the Holders of the Securities of each such series under the Indenture; 
 WHEREAS, AT&T Inc., a Delaware corporation
(“AT&T”) has solicited consents from the Holders of the Notes to certain proposed amendments (the “Proposed Amendments”) to the Indenture as described in the prospectus, dated as of May [●], 2019, filed
with the Securities and Exchange Commission, forming part of AT&T’s Registration Statement on Form S-4, setting forth the terms and conditions of the offers by AT&T to exchange any and all of the
outstanding Notes for new notes issued by AT&T, and in the offer to purchase, dated as of May [●], 2019, setting forth the terms and conditions of the offers by AT&T to purchase for cash any and all of the outstanding Notes, and set
forth in Section 2 of this Fourth Supplemental Indenture; 
 WHEREAS, AT&T has received and caused to be delivered to the Trustee
evidence of the consents from Holders of at least a majority of the outstanding aggregate principal amount of the Notes to effect the Proposed Amendments under the Indenture with respect to the Notes; 

WHEREAS, the Company is authorized by a Board Resolution to enter into this Fourth Supplemental Indenture; 

 WHEREAS, the Company has requested that the Trustee execute and deliver this Fourth
Supplemental Indenture; and 
 WHEREAS, the execution and delivery of this Fourth Supplemental Indenture has been duly authorized by the
parties hereto, and all other acts and requirements necessary to make this Fourth Supplemental Indenture a valid and binding supplement to the Indenture effectively amending the Indenture as set forth herein have been duly taken. 

NOW, THEREFORE, in consideration of the foregoing and for other good and valuable consideration, the receipt and sufficiency of which are
hereby acknowledged, the Company, HTW, AOL, TBS, HBO and the Trustee mutually covenant and agree as follows: 
 SECTION
1.    Definitions. 
 (a)    Unless otherwise provided herein, the capitalized terms used and
not defined herein have the meanings ascribed to such terms in the Indenture. 
 (b)    Any definitions used exclusively
in the provisions of the Indenture or Notes that are deleted pursuant to the amendments set forth under this Fourth Supplemental Indenture, and any definitions used exclusively within such definitions, are hereby deleted in their entirety from the
Indenture and the Notes, and all textual references in the Indenture and the Notes exclusively relating to paragraphs, Sections, Clauses or other terms or provisions of the Indenture that have been otherwise deleted pursuant to this Fourth
Supplemental Indenture are hereby deleted in their entirety. The words “herein,” “hereof” and “hereby” and other words of similar import used in this Fourth Supplemental Indenture refer to this Fourth Supplemental
Indenture as a whole and not to any particular Section hereof. 
 SECTION 2.    Amendment to the Indenture. 

(a)    The Indenture shall hereby be amended by deleting the following Sections or clauses of the Indenture and all
references and definitions related thereto (to the extent not otherwise used in any other Section of the Indenture or the Notes) in their entirety, and these Sections and clauses shall be of no further force and effect, and shall no longer apply to
the Notes, and the words “[INTENTIONALLY DELETED]” shall be inserted, in each case, in place of the deleted text: 

Section 10.05 (Legal Existence) 

Section 10.06 (Limitation on Liens) 

(b)    Section 8.01 of the Indenture (Consolidation, Merger, Conveyance or Transfer on Certain Terms) is hereby
deleted and replaced in its entirety by the following: 
 “The Company shall not consolidate with or merge into any other Person,
unless: 
 (1) the Person formed by such consolidation or into which the Company is merged shall expressly assume, by an indenture
supplemental hereto, executed and delivered to the Trustee, in form satisfactory to the Trustee, the due and punctual payment of the principal of (and premium, if any) and interest on all the Securities and the performance of every covenant of this
Indenture (as supplemented from time to time) on the part of the Company to be performed or observed; and 

  
 -2- 

 (2) the Company has delivered to the Trustee an Officers’ Certificate and an Opinion
of Counsel each stating that such consolidation or merger and such supplemental indenture comply with this Article and that all conditions precedent herein provided for relating to such transaction have been complied with.” 

(c)    Section 8.02 of the Indenture (Successor Person Substituted) is hereby deleted and replaced in its entirety
by the following: 
 “Upon any consolidation or merger of the Company in accordance with Section 8.01, the successor Person formed
by such consolidation or into which the Company is merged shall succeed to, and be substituted for, and may exercise every right and power of, the Company under this Indenture with the same effect as if such successor had been named as the Company
herein.” 
 (d)    The failure to comply with the terms of any of the deleted Sections or deleted Clauses of the
Indenture set forth above shall no longer constitute a Default or Event of Default under the Indenture with respect to the Notes and shall no longer have any consequence under the Indenture. 

SECTION 3.    This Fourth Supplemental Indenture. This Fourth Supplemental Indenture shall be construed as
supplemental to the Indenture and shall form a part of it, and the Indenture is hereby incorporated by reference herein and each is hereby ratified, approved and confirmed. 

SECTION 4.    GOVERNING LAW. THIS FOURTH SUPPLEMENTAL INDENTURE SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE
WITH THE LAWS OF THE STATE OF NEW YORK. 
 SECTION 5.    WAIVER OF JURY TRIAL. EACH OF THE COMPANY, HTW, AOL,
HBO, TBS 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 FOURTH SUPPLEMENTAL INDENTURE OR THE TRANSACTIONS
CONTEMPLATED HEREBY. 
 SECTION 6.    Counterparts. This Fourth Supplemental Indenture may be executed in two or
more counterparts, each of which shall constitute an original, but all of which when taken together shall constitute but one instrument. 

SECTION 7.    Headings. The headings of this Fourth Supplemental Indenture are for reference only and shall not
limit or otherwise affect the meaning hereof. 
 SECTION 8.    Trustee Not Responsible for Recitals. The recitals
herein contained are made by the Company, HTW, AOL, HBO and TBS and not by the Trustee, and the Trustee assumes no responsibility for the correctness thereof. The Trustee shall not be responsible in any manner whatsoever for or in respect of the
validity or sufficiency of this Fourth Supplemental Indenture. 

  
 -3- 

 SECTION 9.    Separability. In case any one or more of the
provisions contained in this Fourth Supplemental Indenture or in the Securities shall for any reason be held to be invalid, illegal or unenforceable in any respect, such invalidity, illegality or unenforceability shall not affect any other
provisions of this Fourth Supplemental Indenture or of the Securities, but this Fourth Supplemental Indenture and the Securities shall be construed as if such invalid or illegal or unenforceable provision had never been contained herein or therein.

 SECTION 10.    Conflict with Trust Indenture Act. If any provision hereof limits, qualifies or conflicts with
another provision hereof which is required to be included in this Fourth Supplemental Indenture by any of the provisions of the Trust Indenture Act, such required provision shall control. 

SECTION 11.    Successors and Assigns. All covenants and agreements in this Fourth Supplemental Indenture by the
Company shall bind its successors and assigns, whether so expressed or not. 
 SECTION 12.    Effectiveness. This
Fourth Supplemental Indenture shall become effective upon execution by all parties hereto. The Proposed Amendments set forth in Section 2 of this Fourth Supplemental Indenture shall become effective with respect to each series of Notes on the
Settlement Date (as defined in the Prospectus). 
 SECTION 13.    Benefits of Fourth Supplemental Indenture.
Nothing in this Fourth Supplemental Indenture, express or implied, shall give to any person, other than the parties hereto and their successors hereunder and the Holders, any benefit or any legal or equitable right, remedy, or claim under this
Fourth Supplemental Indenture. 
 [Remainder of Page Intentionally Left Blank] 

  
 -4- 

 IN WITNESS WHEREOF, the parties hereto have caused this Fourth Supplemental Indenture to be
duly executed by their respective authorized officers as of the date first written above. 
  

			
	WARNER MEDIA, LLC,
		
	by	 	  

	Name:	 	
	Title:	 	
	
	HISTORIC TW INC.,
		
	by	 	  

	Name:	 	
	Title:	 	
	
	HOME BOX OFFICE, INC.,
		
	by	 	  

	Name:	 	
	Title:	 	
	
	HISTORIC AOL LLC,
		
	by	 	Warner Media, LLC, as sole member of Historic AOL LLC
		
	by	 	  

	Name:	 	
	Title:	 	
	
	TURNER BROADCASTING SYSTEM, INC.,
		
	by	 	  

	Name:	 	
	Title:	 	

  
 [Signature Page to Fourth
Supplemental Indenture] 

 
			
	THE BANK OF NEW YORK MELLON, as Trustee,

 
			
		
	by	 	  

	Name:	 	
	Title:	 	

 [Signature Page to Fourth Supplemental Indenture]

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