Document:

EX-4.12

 Exhibit 4.12 

NOBLE ENERGY, INC. 
 as Issuer

 THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A. 

as Trustee 
 Third Indenture
Supplement 
 Dated as
of                    , 2021 
 to 

INDENTURE 
 Dated as of
April 1, 1997 

 THIRD INDENTURE SUPPLEMENT 

THIS THIRD INDENTURE SUPPLEMENT (the “Third Indenture Supplement”), dated as
of                    , 2021, between NOBLE ENERGY, INC., a Delaware corporation (together with its successors and assigns as provided in the
Indenture referred to below, the “Company”), and THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., a national banking association (together with its successors in trust thereunder as provided in the Indenture referred to below, the
“Trustee”), as trustee under an Indenture, dated as of April 1, 1997, between the Company and the Trustee, as amended and supplemented by the First Indenture Supplement, dated as of April 2, 1997, and the Second Indenture
Supplement, dated as of August 1, 1997, and as further amended and supplemented hereby (the “Indenture”). 
 RECITALS 

The Company has executed and delivered to the Trustee the Indenture, under which the Company has issued its 8.000% Senior Notes Due 2027 in
the aggregate principal amount of $250,000,000 (the “Senior Notes”); 
 Section 902 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 each series affected by such supplemental indenture, 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 Securities and coupons appertaining thereto, if any, of such series under the Indenture. 

Chevron U.S.A. Inc. and Chevron Corporation (together, “Chevron”) have solicited consents from the holders of the Senior Notes to
effect certain proposed amendments (the “Proposed Amendments”) to the Indenture as set forth in Section 2 of this Third Indenture Supplement and as described in the prospectus, dated as of December    , 2020, filed
with the Securities and Exchange Commission and forming part of Chevron’s Registration Statement on Form S-4 in connection with the offers by Chevron to exchange any and all of the outstanding Senior
Notes for new notes issued by Chevron U.S.A. Inc. and guaranteed by Chevron Corporation and the solicitation of consents for the Proposed Amendments. 

Chevron 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 Senior Notes, as applicable, affected by this Third Indenture Supplement to effect the Proposed Amendments under the Indenture with respect to the Senior Notes. 

The Company is authorized by a Board Resolution to enter into this Third Indenture Supplement. 

The Company has requested that the Trustee execute and deliver this Third Indenture Supplement. 

  
 2 

 The Company has duly authorized the execution and delivery of this Third Indenture
Supplement, the conditions set forth in the Indenture for the execution and delivery of this Third Indenture Supplement have been complied with and all things necessary to make this Third Indenture Supplement a valid amendment of, and supplement to,
the Indenture have been done by the Company. 
 NOW, THEREFORE, in consideration of the premises and the mutual covenants herein, the
Company agrees with the Trustee that the Indenture is supplemented and amended, solely to the extent and for the purposes expressed herein, for the equal and proportionate benefit of all holders of the Senior Notes (the “Holders”), as
follows: 
 ARTICLE I 

DEFINITIONS 
 SECTION 1.1.
Unless the context otherwise requires, the terms defined in the Indenture shall, for all purposes of this Third Indenture Supplement, have the meanings therein defined. 

SECTION 1.2. Unless the context otherwise requires, the terms defined in this Third Indenture Supplement (including the preamble hereof)
shall, for all purposes of the Indenture as supplemented and amended by this Third Indenture Supplement, have the meanings herein defined. 

ARTICLE II 
 AMENDMENT TO THE
INDENTURE 
 SECTION 2.1. Solely with respect to the Senior Notes, the Indenture shall hereby be amended by deleting and replacing the
following Sections 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 Senior Notes not affected by this Third Indenture Supplement) in their entirety,
and such Sections shall be of no further force and effect, and shall no longer apply to the Senior Notes, and the words “[INTENTIONALLY DELETED]” shall be inserted, in each case, in place of the deleted text: 

Section 501(5) 

Section 704 (Reports by Company) 

Section 1004 (Limitation on Liens) 

Section 1005 (Restrictions on Sales and Leasebacks) 

ARTICLE III 
 MISCELLANEOUS
PROVISIONS 
 SECTION 3.1. Nothing in this Third Indenture Supplement, express or implied, is intended or shall be construed to confer
upon, or to give to, any person or corporation, other than the parties hereto, their successors and assigns, and the Holders, any right, remedy or claim under or by reason of this Third Indenture Supplement or any provision hereof; and the
provisions of this Third Indenture Supplement are for the exclusive benefit of the parties hereto, their successors and assigns, and the Holders. 

  
 3 

 SECTION 3.2. This Third Indenture Supplement shall for all purposes be deemed to be a
contract made under, governed by and construed in accordance with the laws of the State of New York. 
 In case any provision in this Third
Indenture Supplement shall be invalid, illegal or unenforceable, the validity, legality and enforceability of the remaining provisions shall not in any way be affected or impaired thereby. 

If any provision of this Third Indenture Supplement limits, qualifies or conflicts with any other provision required to be included in this
Third Indenture Supplement or the Indenture by the Trust Indenture Act, such other provision which is so required to be included shall control. 

SECTION 3.3. The recitals contained herein shall be taken as the statements of the Company and the Trustee assumes no responsibility for
their correctness. In entering into this Third Indenture Supplement, the Trustee shall be entitled to the benefit of every provision of the Indenture relating to the conduct or affecting the liability of or affording protection to the Trustee
(including, without limitation, the right to be indemnified), whether or not elsewhere herein so provided. The Trustee, for itself and its successor or successors, accepts the terms of the Indenture as amended by this Third Indenture Supplement, and
agrees to perform the same, but only upon the terms and provisions defining and limiting the liabilities and responsibilities of the Trustee, which terms and provisions shall in like manner define and limit its liabilities and responsibilities in
the performance of the trust created by the Indenture. The Trustee shall not be responsible for and makes no representations (i) as to the validity or sufficiency of this Third Indenture Supplement, (ii) as to the due execution hereof by
the Company, or (iii) as to the consequences of any amendment and/or waiver herein provided. 
 SECTION 3.4. The descriptive
headings of the several Articles of this Third Indenture Supplement are inserted for convenience only and shall not affect the construction hereof. 

SECTION 3.5. This Third Indenture Supplement may be simultaneously executed in any number of counterparts, each of which when so executed
and delivered shall be an original; but such counterparts shall together constitute but one and the same instrument. Delivery of an executed counterpart of a signature page of this Third Supplemental Indenture by facsimile or by electronic (.pdf)
format shall be as effective as delivery of a manually executed counterpart of this Third Supplemental Indenture. The original documents shall be delivered as soon as practicable, if requested. Each party agrees that this Third Supplemental
Indenture and any other documents to be delivered in connection herewith may be electronically or digitally signed, and that any such electronic or digital signatures appearing on this Third Supplemental Indenture or such other documents are the
same as handwritten signatures for the purposes of validity, enforceability and admissibility. 

  
 4 

 SECTION 3.6. The Company represents and warrants that it is duly authorized under all
applicable laws to execute and deliver this Third Indenture Supplement and that all corporate action on its part required for the execution and delivery of this Third Indenture Supplement has been duly and effectively taken. 

[Remainder of page purposefully left blank.] 

  
 5 

 IN WITNESS WHEREOF, the Company and the Trustee have caused this Third Indenture Supplement
to be duly executed by their respective officers thereunto duly authorized as of the day and year first above written. 
  

			
	NOBLE ENERGY, INC.
		
	By:	 	
                 

	Name:	 	
	Title:	 	

  

			
	THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., as Trustee
		
	By:	 	
                     

	Name:	 	
	Title:	 	

  
 6EX-4.13

 Exhibit 4.13 

NOBLE ENERGY, INC. 
 as Issuer

 WELLS FARGO BANK, NATIONAL ASSOCIATION, 

as Trustee 
  

 
 Ninth
Supplemental Indenture dated as of                , 2021 

to 
 Indenture dated as of
February 27, 2009 
  
  

 

 TABLE OF CONTENTS 

 

							
	 Article I RELATION TO INDENTURE; DEFINITIONS
	  	 	4	 
			
	 Section 1.01
	 	Relation To Indenture	  	 	4	 
			
	 Section 1.02    
	 	Rules of Interpretation; Definitions	  	 	4	 
		
	 Article II AMENDMENTS TO THE INDENTURE
	  	 	4	 
		
	 Article III MISCELLANEOUS PROVISIONS
	  	 	5	 
			
	 Section 3.01
	 	Ratification of Indenture	  	 	5	 
			
	 Section 3.02
	 	Governing Law	  	 	5	 
			
	 Section 3.03
	 	Counterparts	  	 	5	 
			
	 Section 3.04
	 	The Trustee	  	 	5	 

  
 2 

 NINTH SUPPLEMENTAL INDENTURE, dated as
of                , 2021 (this “Ninth Supplemental Indenture”), between NOBLE ENERGY, INC., a corporation duly organized and existing under the laws of
the State of Delaware (the “Company”), and WELLS FARGO BANK, NATIONAL ASSOCIATION, a national banking association, as trustee (the “Trustee”). 

RECITALS OF THE COMPANY 

WHEREAS, the Company has heretofore delivered to the Trustee an Indenture dated as of February 27, 2009, as amended and supplemented by
the First Supplemental Indenture, dated as of February 27, 2009, the Second Supplemental Indenture, dated as of February 18, 2011, the Third Supplemental Indenture, dated as of December 8, 2011, the Fourth Supplemental Indenture,
dated as of November 8, 2013, the Fifth Supplemental Indenture, dated as of November 7, 2014, the Sixth Supplemental Indenture, dated as of July 29, 2015, the Seventh Supplemental Indenture, dated as of August 15, 2017, and the
Eight Supplemental Indenture, dated as of October 1, 2019, and as further amended and supplemented hereby (the “Indenture”), under which the Company has issued (i) $650,000,000 of its 3.900% Notes due 2024, (ii) $600,000,000 of
its 3.850% Notes due 2028, (iii) $500,000,000 of its 3.250% Notes due 2029, (iv) $850,000,000 of its 6.000% Notes due 2041, (v) $1,000,000,000 of its 5.250% Notes due 2043, (vi) $850,000,000 of its 5.050% Notes due 2044, (vii) $500,000,000 of its
4.950% Notes due 2047, and (viii) $500,000,000 of its 4.200% Notes due 2049 ((i) through (viii) together, the “Debt Securities”); 

WHEREAS, Section 12.02 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 Debt Securities of each series affected by such supplemental indenture, 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. 

WHEREAS, Chevron U.S.A. Inc. and Chevron Corporation (together, “Chevron”) have solicited consents from the holders of the
Debt Securities to effect certain proposed amendments (the “Proposed Amendments”) to the Indenture as set forth in Section 2 of this Ninth Supplemental Indenture and as described in the prospectus, dated as of
December        , 2020, filed with the Securities and Exchange Commission and forming part of Chevron’s Registration Statement on Form S-4 in connection with the
offers by Chevron to exchange any and all of the outstanding Debt Securities for new notes issued by Chevron U.S.A. Inc. and guaranteed by Chevron Corporation and the solicitation of consents for the Proposed Amendments. 

WHEREAS, Chevron 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 each series of the Debt Securities, as applicable, affected by this Ninth Supplemental Indenture to effect the Proposed Amendments under the Indenture with respect to the Debt Securities. 

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

 WHEREAS, the Company has requested that the Trustee execute and deliver this Ninth
Supplemental Indenture. 
 WHEREAS, all the conditions and requirements necessary to make this Ninth Supplemental Indenture, when duly
executed and delivered, a valid and legally binding agreement in accordance with its terms and for the purposes herein expressed, have been performed and fulfilled. 

NOW, THEREFORE, THIS INDENTURE WITNESSETH: 

For and in consideration of the premises and the purchase of the series of Debt Securities provided for herein by the Holders thereof, it is
mutually covenanted and agreed, for the equal and proportionate benefit of all Holders of the series of Debt Securities provided for herein, as follows: 

Article I 
 RELATION TO INDENTURE;
DEFINITIONS 
 Section 1.01 Relation To Indenture. 

This Ninth Supplemental Indenture constitutes an integral part of the Indenture. 

Section 1.02 Rules of Interpretation; Definitions. 

The first paragraph of Section 1.01 of the Indenture is fully incorporated by reference into this Ninth Supplemental Indenture. For all
purposes of this Ninth Supplemental Indenture, except as otherwise expressly provided or unless the context otherwise requires, capitalized terms used but not defined herein shall have the respective meanings assigned to them in the Indenture. 

Article II 
 AMENDMENTS TO THE
INDENTURE 
 Section 2.01 The Indenture shall hereby be amended by deleting and replacing the following Sections 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 Debt Securities not affected by this Third Indenture Supplement) in their entirety, and such Sections shall be of no
further force and effect, and shall no longer apply to the Debt Securities, and the words “[INTENTIONALLY DELETED]” shall be inserted, in each case, in place of the deleted text: 

Section 6.06 (Limitation on Liens) 

Section 8.01(e) 

Section 10.03 (Reports by Company) 

  
 4 

 Article III 

MISCELLANEOUS PROVISIONS 

Section 3.01 Ratification of Indenture. 

Except as expressly modified or amended hereby, the Indenture continues in full force and effect and is in all respects confirmed and
preserved. 
 Section 3.02 Governing Law. 

This Ninth Supplemental Indenture and each Note shall be governed by and construed in accordance with the laws of the State of New York. This
Ninth Supplemental Indenture is subject to the provisions of the Trust Indenture Act of 1939, as amended, and shall, to the extent applicable, be governed by such provisions. 

Section 3.03 Counterparts. 

This Ninth Supplemental Indenture may be executed in any number of counterparts, each of which so executed shall be deemed to be an original,
but all such counterparts shall together constitute but one and the same instrument. The exchange of copies of this Ninth Supplemental Indenture and of signature pages by facsimile or PDF transmission shall constitute effective execution and
delivery of this Ninth Supplemental Indenture as to the parties hereto and may be used in lieu of the original Ninth 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. 
 Section 3.04 The Trustee. 

The recitals contained herein shall be taken as statements of the Company, and the Trustee assumes no responsibility for their correctness. The
Trustee makes no representations as to the validity or sufficiency of this Ninth Supplemental Indenture. 

  
 5 

 IN WITNESS WHEREOF, the parties hereto have caused this Ninth Supplemental Indenture to be
duly executed by their respective officers hereunto duly authorized as of the day and year first written above. 
  

			
	NOBLE ENERGY, INC.
		
	By:	 	
                     
                                    

		 	Name:
		 	Title:

  

			
	Attest:
		
	By:	 	
                     
                                    

		 	Name:
		 	Title:

  

			
	WELLS FARGO BANK, NATIONAL ASSOCIATION, as Trustee
		
	By:	 	
                     
                                    

		 	Name:
		 	Title:

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