Exhibit 4.2


 


FOURTH SUPPLEMENTAL INDENTURE 


 


FOURTH SUPPLEMENTAL INDENTURE, effective as of
June 10, 2021, by and among PETROBRAS GLOBAL FINANCE B.V., a private company incorporated with limited liability under the laws of The
Netherlands (the “Company”), having its corporate seat at Rotterdam, The Netherlands and its principal office at Weena
762, 3014 DA Rotterdam, The Netherlands, PETRÓLEO BRASILEIRO S.A. – Petrobras, a sociedade de economia mista (partially
state-owned enterprise) organized under the laws of Brazil, having its principal office at Avenida República do Chile, 65, 20035-900
Rio de Janeiro – RJ, Brazil (“Petrobras”), and THE BANK OF NEW YORK MELLON, a New York banking corporation, as
Trustee hereunder (the “Trustee”).


 


W I T N E S S E T H:


 


WHEREAS, the Company and the Trustee previously
have entered into an indenture, dated as of August 28, 2018 (the “Original Indenture”), as supplemented by this
Fourth Supplemental Indenture, dated as of June 10, 2021 (the “Fourth Supplemental Indenture”, and together with the
Original Indenture and any further supplements thereto, the “Indenture”) providing for the issuance from time to time
of debt securities of the Company to be issued in one or more series as provided in the Indenture;


 


WHEREAS, Section 9.01 of the Original
Indenture provides that, subsequent to the execution of the Original Indenture and subject to satisfaction of certain conditions, the
Company and the Trustee may enter into one or more indentures supplemental to the Original Indenture to add to, change or eliminate any
of the provisions of the Original Indenture in respect of one or more series of Securities (as defined in the Original Indenture);


 


WHEREAS, on the date hereof the Company
intends to issue pursuant to Registration Statements on Form F-3/A (File Nos. 333-229096 and 333-229096-01) (the “Registration
Statement”), dated March 1, 2019, the related Base Prospectus dated March 1, 2019 and the Prospectus Supplement dated June 2,
2021 (collectively, the “Offering Document”) and the Indenture, U.S.$ 1,500,000,000 of its 5.500% Global Notes due
2051, in the form attached hereto as Exhibit A (the “Notes”), having the terms and conditions contemplated in the Offering
Document as provided for in the Original Indenture as supplemented by this Fourth Supplemental Indenture;


 


WHEREAS, as contemplated in the Offering
Document, Petrobras and the Trustee intend, in connection with the issuance of the Notes, to enter into a guaranty, dated as of the date
hereof in the form attached as Annex D to the Original Indenture (the “Guaranty”),
to provide for an unconditional and irrevocable guaranty of the Notes by Petrobras;


 


WHEREAS, the Trustee has provided to the
Company and Petrobras Statements of Eligibility under the Trust Indenture Act of 1939, as amended, with respect to each of the Companies
which have been filed as exhibits to the Registration Statement;


 


WHEREAS, the Company and Petrobras confirm
that any and all conditions and requirements necessary to make this Fourth Supplemental Indenture a valid, binding, and legal instrument
in accordance with the terms of the Indenture have been performed and fulfilled and the execution and delivery of this Fourth Supplemental
Indenture has been in all respects duly authorized;


 


WHEREAS, pursuant to Section 9.01 of
the Original Indenture, the Trustee is authorized to execute and deliver this Fourth Supplemental Indenture; and


 


WHEREAS, the Company and Petrobras have
requested that the Trustee execute and deliver this Fourth Supplemental Indenture;


 






     


     


    

 


NOW, THEREFORE, for and in consideration
of the premises and the mutual covenants contained herein and in the Indenture and for other good and valuable consideration, the receipt
and sufficiency of which are herein acknowledged, the Company, Petrobras, and the Trustee hereby agree, for the equal and ratable benefit
of all Holders, as follows:


 


Article
1

DEFINITIONS


 


Section 1.01.     
Defined Terms. All capitalized terms used but not defined herein shall have the meanings ascribed to such terms in the Original
Indenture, as supplemented and amended hereby. All definitions in the Original Indenture shall be read in a manner consistent with the
terms of this Fourth Supplemental Indenture.


 


Section 1.02.     
Additional Definitions. (a) For the benefit of the Holders of the Notes, Section 1.01 of the Original Indenture
shall be amended by adding the following new definitions:


 


“Closing Date” means June 10, 2021.


 


“Comparable Treasury Issue” means the
United States Treasury security or securities selected by an Independent Investment Banker as having an actual or interpolated maturity
comparable to the Notes Par Call Date that would be utilized, at the time of selection and in accordance with customary financial practice,
in pricing new issues of corporate debt securities of a comparable maturity to the Notes Par Call Date.


 


“Comparable Treasury Price” means, with
respect to any Redemption Date, (1) the average of the Reference Treasury Dealer Quotations for such Redemption Date, after excluding
the highest and lowest such Reference Treasury Dealer Quotation or (2) if the Independent Investment Banker obtains fewer than four such
Reference Treasury Dealer Quotations, the average of all such quotations.


 


“Default Rate” has the meaning set forth
in Section 2.01(f) herein.


 


“Dutch Withholding Tax Act 2021” means
the Dutch Withholding Tax Act 2021 (Wet bronbelasting 2021) as published in the Official Gazette (Staatsblad) Stb. 2019,
513 of December 27, 2019 and in effect as of January 1, 2021.


 


“Independent Investment Banker” means
one of the Reference Treasury Dealers appointed by the Company.


 


“Interest Payment Date” has the meaning
set forth in Section 2.01(e) herein.


 


“Interest Period” means the period beginning
on an Interest Payment Date and ending on the day before the next Interest Payment Date, except that the first Interest Period shall be
the period beginning on the Closing Date and ending on the day before the next Interest Payment Date.


 


“Make Whole Amount” has the meaning set
forth in Section 2.01(l) herein.


 


“Notes Par Call Date” means December
10, 2050 (six months prior to the Stated Maturity of the Notes).


 


“Offering Document” shall have the meaning
set forth in the recitals to this Fourth Supplemental Indenture.


 


“Payment Account” has the meaning set
forth in Section 2.01(g) herein.


 


“Reference Treasury Dealer” means each
of BofA Securities, Inc., Goldman Sachs & Co. LLC, J.P. Morgan Securities LLC, and UBS Securities LLC, or, in each case, their respective
affiliates, which are primary United States government securities dealers and other leading primary United States government securities
dealers in New York City reasonably designated by the Company; provided, however, that if any of the foregoing shall cease to be a primary
United States government securities dealer in New York City (a “Primary Treasury Dealer”), the Company shall substitute therefor
another Primary Treasury Dealer.


 


“Reference Treasury Dealer Quotation”
means, with respect to each Reference Treasury Dealer and any Redemption Date, the average, as determined by the Independent Investment
Banker, of the bid and asked prices for the Comparable Treasury Issue (expressed in each case as a percentage of its principal amount)
quoted in writing to the Independent Investment Banker by such Reference Treasury Dealer at 3:30 p.m. New York time on the third Business
Day preceding such Redemption Date.


 


“Treasury Rate” means, with respect to
any Redemption Date, the rate per annum equal to the semiannual equivalent yield to maturity or interpolated maturity (on a day count
basis) of the Comparable Treasury Issue, assuming a price for the Comparable Treasury Issue (expressed as a percentage of its principal
amount) equal to the Comparable Treasury Price for such Redemption Date.


 


“Stated Maturity” has the meaning set
forth in Section 2.01(d) herein.


 






     


     


    

 


Article
2

TERMS OF THE NOTES


 


Section 2.01.     
General. In accordance with Section 3.01 of the Original Indenture, the following terms relating to the Notes are hereby
established:


 


(a)              
Title: The Notes shall constitute a series of Securities having the title “5.500% Global Notes due 2051”.


 


(b)              
Aggregate Amount: The aggregate principal amount of the Notes that may be authenticated and delivered under this
Fourth Supplemental Indenture shall be U.S.$  1,500,000,000. As provided in the Original Indenture, the Company may, from time to
time, without the consent of the Holders of Notes, issue Add On Notes having identical terms (including CUSIP, ISIN and other relevant
identifying characteristics as the Notes), so long as, on the date of issuance of such Add On Notes: (i) no Default or Event of Default
shall have occurred and then be continuing, or shall occur as a result of the issuance of such Add On Notes, (ii) such Add On Notes shall
rank pari passu with the Notes and shall have identical terms, conditions and benefits as the Notes and be part of the same series
as the Notes, (iii) the Company and the Trustee shall have executed and delivered a further supplemental indenture to the Indenture providing
for the issuance of such Add On Notes and reflecting such amendments to the Indenture as may be required to reflect the increase in the
aggregate principal amount of the Notes resulting from the issuance of the Add On Notes, (iv) Petrobras shall have executed and delivered
and the Trustee shall have acknowledged an amended Guaranty reflecting the increase in the aggregate principal amount of the Notes resulting
from the issuance of the Add On Notes and (v) the Trustee shall have received all such opinions and other documents as it shall have requested,
including an Opinion of Counsel stating that such Add On Notes are authorized and permitted by the Indenture and all conditions precedent
to the issuance of such Add On Notes have been complied with by the Company and Petrobras. All Add On Notes issued hereunder will, when
issued, be considered Notes for all purposes hereunder and will be subject to and take the benefit of all of the terms, conditions and
provisions of this Indenture.


 


(c)              
Ranking: The Notes (including any additional Add On Notes) shall be general senior unsecured and unsubordinated obligations
of the Company and shall at all times rank pari passu among themselves and at least equal in right of payment with all of the Company’s
other present and future unsecured and unsubordinated obligations from time to time outstanding that are not, by their terms, expressly
subordinated in right of payment to the Notes (other than obligations preferred by statute or by operation of law).


 


(d)              
Maturity: The entire outstanding principal of the Notes shall be payable in a single installment on June 10, 2051
(the “Stated Maturity”). No payments in respect of the principal of the Notes shall be paid prior to the Stated Maturity
except in the case of the occurrence of an Event of Default and acceleration of the aggregate outstanding principal amount of the Notes,
upon redemption prior to the Stated Maturity pursuant to Section 11.08 of the Original Indenture or pursuant to Section 2.01(k), Section
2.01(l) and Section 2.01(m) hereof.


 


(e)              
Interest: Interest shall accrue on the Notes at the rate of 5.500% per annum until all required amounts due in respect
of the Notes have been paid. All interest shall be paid by the Company to the Trustee and distributed by the Trustee in accordance with
this Indenture semi-annually in arrears on June 10 and December 10 of each year during which any portion of the Notes shall be Outstanding
(each, an “Interest Payment Date”), commencing on December 10, 2021, and will initially accrue from and including the
date of issuance and thereafter from the last Interest Payment Date to which interest has been paid. Interest shall be paid to the Person
in whose name a Note is registered at the close of business on the preceding Regular Record Date (which shall mean, with respect to any
payment to be made on an Interest Payment Date, the Business Day preceding the relevant Interest Payment Date). As provided in the Original
Indenture, (i) interest accrued with respect to the Notes shall be calculated based on a 360-day year of twelve 30-day months, (ii)
payment of principal and interest and other amounts on the Notes will be made at the Corporate Trust Office of the Trustee in New York
City, or such other paying agent office in the United States as the Company appoints, in the form provided for in Section 10.08 of the
Original Indenture, (iii) all such payments to the Trustee shall be made by the Company by depositing immediately available funds in U.S. Dollars
prior to 3:00 p.m., New York City Time, one Business Day prior to the relevant Interest Payment Date to the Payment Account and (iv) so
long as any of the Notes remain Outstanding, the Company shall maintain a paying agent in New York City.


 


(f)               
Default Rate: Upon the occurrence and during the continuation of an Event of Default, (i) interest on the outstanding
principal amount of the Notes shall accrue on the Notes at a rate equal to 0.5% per annum above the interest rate on the Notes at that
time (the “Default Rate”) and (ii) to the fullest extent permitted by law, interest shall accrue on the amount of any
interest, fee, Additional Amounts, or other amount payable under the Indenture and the Notes that is not paid when due, from the date
such amount was due until such amount shall be paid in full, excluding the date of such payment, at the Default Rate.


 






     


     


    

 


(g)              
Payment Account: On the Closing Date, the Trustee shall establish (and shall promptly notify the Company of the establishment
of such account, including the relevant account numbers and other relevant identifying details) and, until the Notes and all accounts
due in respect thereof have been paid in full, the Trustee shall maintain the special purpose non-interest bearing trust account established
pursuant to the Fourth Supplemental Indenture (the “Payment Account”) into which all payments required to be made by
the Company under or with respect to the Notes shall be deposited. The Company agrees that the Payment Account shall be maintained in
the name of the Trustee and under its sole dominion and control (acting on behalf of the Holders of the Notes) and used solely to make
payments of principal, interest and other amounts from time to time due and owing on, or with respect to, the Notes. No funds contained
in the Payment Account shall be used for any other purpose or in any manner not expressly provided for herein nor shall the Company or
any other Person have an interest therein or amounts on deposit therein. All amounts on deposit in the Payment Account on any Interest
Payment Date after the Trustee has paid all amounts due and owing to the holders of the Notes as of such Interest Payment Date shall be
retained in the Payment Account and used by the Trustee to pay any amounts due and owing to the Holders of the Notes on the next succeeding
Interest Payment Date.


 


(h)              
Form and Denomination: The Notes shall be issuable in whole in the registered form of one or more Global Notes (without
coupons), in minimum denominations of U.S.$ 2,000 and integral multiples of U.S.$1,000 in excess thereof, and shall be transferable in
integral multiples of U.S.$ 2,000 and integral multiples of U.S.$1,000 in excess thereof and the Depository for such Global Notes shall
be The Depository Trust Company, New York, New York.


 


(i)                
Guaranty: The Notes shall have the benefit of the Guaranty in the manner provided in Article 3 of this Fourth Supplemental
Indenture.


 


(j)                
Rating: The Notes can be issued without the requirement that they have any rating from a nationally recognized statistical
rating organization.


 


(k)              
Optional Early Redemption at Par: The Company will have the right at its option to redeem the Notes, in whole or
in part, at any time or from time to time on or after the Notes Par Call Date, on at least 15 days’ but not more than 60 days’
notice, at a Redemption Price equal to 100% of the principal amount of the Notes to be redeemed plus accrued and unpaid interest on the
principal amount of such Notes to the Redemption Date.


 


(l)                
Optional Early Redemption With “Make-Whole” Amount. The Company will have the right at its option to
redeem the Notes, in whole or in part, at any time or from time to time prior to the Notes Par Call Date, on at least 15 days’ but
not more than 60 days’ notice, at a Redemption Price equal to the greater of (A) 100% of the principal amount of such Notes and
(B) the sum of the present values of each remaining scheduled payment of principal and interest thereon that would be due after the Redemption
Date as if the Notes were redeemed on the Notes Par Call Date (exclusive of interest accrued to the date of redemption) discounted to
the Redemption Date on a semiannual basis (assuming a 360-day year consisting of twelve 30-day months) at the Treasury Rate plus 50 basis
points (the “Make Whole Amount”), plus in each case accrued and unpaid interest on the principal amount of such Notes
to (but not including) the Redemption Date.


 


(m)            
Redemption Notice. A redemption notice may at the Company’s option be subject to the satisfaction of one or
more conditions precedent, and such notice may be rescinded or the applicable Redemption Date delayed in the event that any or all such
conditions shall not have been satisfied by the applicable Redemption Date. Any conditions precedent shall be described in such notice.


 






     


     


    

 


(n)              
Early Redemption for Tax Reasons. The Notes may be redeemed at the option of the Company, in whole but not in part,
at any time at a Redemption Price equal to the principal amount thereof plus accrued and unpaid interest to the Redemption Date if and
when, as a result of any change in, execution of, or amendment to, any laws or regulations or ruling promulgated thereunder of the jurisdiction
in which the Company is incorporated (or, in the case of a successor Person to the Company, of the jurisdiction in which such successor
Person is organized or any political subdivision or taxing authority thereof or therein) or the official entry or any change in the official
application or interpretation of such laws, regulations or rulings, or any change in the official application of or interpretation of,
or any execution of or amendment to, any treaty or treaties affecting taxation to which such jurisdiction or such political subdivision
or taxing authority (or such other jurisdiction or political subdivision or taxing authority) is a party, which change, execution or amendment
becomes effective on or after the date hereof (or in the case of a successor Person to the Company, the date on which such successor Person
became such pursuant to Section 8.01 and 8.02 of the Original Indenture), the Company would be required to pay Additional Amounts pursuant
to Section 10.10 of the Original Indenture. For purposes of Section 11.08 of the Original Indenture, the reincorporation of the Company
shall be treated as the adoption of a successor entity, provided, however, that redemption under Section 11.08 of the Original Indenture
shall not be available if the reincorporation was performed in anticipation of a change in, execution of or amendment to any laws or treaties
or the official application or interpretation of any laws or treaties of such new jurisdiction of incorporation that would result in an
obligation to pay Additional Amounts.


 


(o)              
Conversion: The Notes will not be convertible into, or exchangeable for, any other securities.


 


(p)              
Except as described in Sections 2.05, the Notes will be subject to the covenants provided in Article 10 of the Original
Indenture.


 


Section 2.02.      
Amendments Relating to the Appointment of Agent for Service. As it applies to the Notes, the first two sentences of Section
1.15 of the Original Indenture shall be replaced by the following:


 


“By the execution and delivery of this
Indenture, the Company hereby appoints Petrobras America Inc. as its agent upon which process may be served in any legal action or proceeding
which may be instituted in any state or Federal court in the Borough of Manhattan, The City of New York, State of New York, arising out
of or relating to the Securities or this Indenture, but for that purpose only. Service of process upon such agent at the office of Petrobras
America Inc. at 10350 Richmond Ave., Suite 1400, Houston, TX 77042, and written notice of said service to the Company by the Person servicing
the same addressed as provided by Section 1.05, shall be deemed in every respect effective service of process upon the Company in any
such legal action or proceeding.”


 


Section 2.03.      
Amendments Relating to Execution and Authentication. As it applies to the Notes, the last paragraph of Section 3.03 of the
Original Indenture shall be replaced by the following:


 


“No Security shall be entitled to any
benefit under this Indenture or be valid or obligatory for any purpose unless there appears on such Security a certificate of authentication
substantially in the form provided for herein executed by the Trustee by manual or electronic signature, and such certificate upon any
Security shall be conclusive evidence, and the only evidence, that such Security has been duly authenticated and delivered hereunder.
Notwithstanding the foregoing, if any Security shall have been authenticated and delivered hereunder but never issued and sold by the
Company, and the Company shall deliver such Security to the Trustee for cancellation as provided in Section 3.09, for all purposes of
this Indenture such Security shall be deemed never to have been authenticated and delivered hereunder
and shall never be entitled to the benefits of this Indenture.”


 


Section 2.04.      
Amendments Relating to Additional Amounts. As it applies to the Notes, Section 10.10(1) of the Original Indenture shall
be amended and replaced to include the following:


 


“the holder or any other person that
beneficially owns an interest in its Notes (a “beneficial owner”) has a connection with the taxing jurisdiction other than
merely holding the Notes or receiving principal or interest payments on the Notes (such as citizenship, nationality, residence, domicile,
or existence of a business, a permanent establishment, a dependent agent, a place of business or a place of management, present or deemed
present within the taxing jurisdiction);”


 






     


     


    

 


As it applies to the Notes, Section 10.10(3) of the Original Indenture
shall be amended and replaced to include the following:


 


“such Holder fails to comply with any
certification, identification or other reporting requirements concerning its or any beneficial owner’s nationality, residence, identity
or connection with the Taxing Jurisdiction, if (x) such compliance is required by applicable law, regulation, administrative practice
or treaty as a precondition to exemption from all or a part of the tax, levy, deduction or other governmental charge, (y) such Holder
is able to comply with such requirements without undue hardship and (z) at least 30 calendar days prior to the first payment date with
respect to which such requirements under the applicable law, regulation, administrative practice or treaty will apply, the Company has
notified all Holders that they will be required to comply with such requirements;”


 


As it applies to the Notes, Section 10.10(6) of the Original Indenture
shall be amended and replaced to include the following:


 


“where the holder any beneficial owner
would have been able to avoid the tax, levy, deduction or other governmental charge by taking reasonable measures available to such holder
or beneficial owner.”


 


As it applies to the Notes, a new Section 10.10(7) shall be included
in the Original Indenture and the current Section 10.10(7) of the Original Indenture shall be amended and become Section 10.10(8) as follows:


 


“(7)        a withholding or deduction
is required to be made pursuant the Dutch Withholding Tax Act 2021; or


 


(8)       any
combination of items (1), (2), (3), (4), (5), (6) and (7) above”


 


Section 2.05.      
Amendments Relating to Covenants. As it applies to the Notes, Section 10 of the Original Indenture shall be amended to include
or replace, as applicable, the following:


 


“Section 10.03.         Maintenance of
Office or Agency.


 


So long as any Note remains Outstanding,
the Company will maintain in the United States, an office or agency where notices to and demands upon the Company in respect of this Indenture
and the Notes may be served, and the Company will not change the designation of such office without prior notice to the Trustee and designation
of a replacement office in the United States. If at any time the Company shall fail to maintain any required office or agency or shall
fail to furnish the Trustee with the address thereof, all presentations, surrenders, notices and demands may be served at the Corporate
Trust Office and the Company hereby appoints the Trustee as its agent to receive all such presentations, surrenders, notices and demands.”


 


“Section 10.11          Negative
Pledge


 


So long as any Note remains Outstanding,
the Company will not create or permit any Lien, other than a Permitted Lien, on any of the Company’s assets to secure (a) any of
the Company’s Indebtedness or (b) the Indebtedness of any other Person, unless the Company contemporaneously creates or permits
such Lien to secure equally and ratably the Company’s obligations under the Notes and this Indenture or the Company provides such
other security for the Notes as is duly approved by a resolution of the Holders of the Notes in accordance with this Indenture. In addition,
the Company will not allow any of the Company’s Material Subsidiaries, if any, to create or permit any Lien, other than a Permitted
Lien, on any of its assets to secure (a) any of the Company’s Indebtedness, (b) any of its Material Subsidiary’s Indebtedness
or (c) the Indebtedness of any other Person, unless it contemporaneously creates or permits such Lien to secure equally and ratably the
Company’s obligations under the Notes and this Indenture or the Company provides such other security for the Notes as is duly approved
by a resolution of the Holders of the Notes in accordance with this Indenture.”


 


“Section 10.13          Use of
Proceeds


 


The Company shall use the net proceeds from
the sale of the Notes for general corporate purposes.”


 


Section 2.06.      
Application of the Article of the Indenture Regarding Defeasance and Covenant Defeasance. The provisions of Sections 14.01,
14.02 and 14.03 of the Original Indenture shall apply to the Notes.


 






     


     


    

 


Article
3

GUARANTY


 


Section 3.01.     
Execution. The Trustee is hereby authorized and directed to acknowledge the Guaranty and to perform all of its duties and
obligations thereunder.


 


Section 3.02.     
Enforcement. The Trustee shall enforce the provisions of the Guaranty against Petrobras in accordance with the terms thereof
and the terms of the Indenture, and Petrobras, by execution of this Fourth Supplemental Indenture, and by so agreeing to become a party
to the Indenture, agrees that each Holder of the Notes shall have direct rights under the Guaranty as if it were a party thereto.


 


Section 3.03.     
Petrobras hereby (i) acknowledges and agrees to be bound by the provisions of Section 1.08 of the Original Indenture and
(ii) confirms that (A) its obligations under the Guaranty shall be issued pursuant to the Indenture and (B) it intends for the Holders
of the Notes, in addition to those rights under the Guaranty as provided therein, to be entitled to the benefits of the Indenture with
respect to their rights against Petrobras under the Guaranty.


 


Section 3.04.     
Taxes; Additional Amounts. For the avoidance of doubt, the Company’s obligations to pay any indemnity with respect
to taxes, including the obligation to pay Additional Amounts pursuant to Section 10.10 of the Original Indenture, shall extend to any
payments made by Petrobras pursuant to the Guaranty.


 


Article
4

MISCELLANEOUS


 


Section 4.01.     
Effect of the Fourth Supplemental Indenture. This Fourth Supplemental Indenture supplements the Indenture and shall be a
part, and subject to all the terms, thereof. The Original Indenture, as supplemented and amended by this Fourth Supplemental Indenture,
is in all respects ratified and confirmed, and the Original Indenture and this Fourth Supplemental Indenture shall be read, taken and
construed as one and the same instrument. All provisions included in this Fourth Supplemental Indenture supersede any conflicting provisions
included in the Original Indenture unless not permitted by law. The provisions of this Fourth Supplemental Indenture are intended to apply
solely to the Notes and the Holders thereof and shall not apply to any future issuance of securities by the Company (other than any Add
On Notes as provided herein) and all references to provisions of the Original Indenture herein amended and restated or otherwise modified
shall have effect solely with respect to the Notes contemplated in this Fourth Supplemental Indenture. The Trustee accepts the trusts
created by the Original Indenture, as supplemented by this Fourth Supplemental Indenture, and agrees to perform the same upon the terms
and conditions of the Original Indenture, as supplemented by this Fourth Supplemental Indenture.


 


Section 4.02.     
Governing Law. This Fourth Supplemental Indenture shall be governed by, and construed in accordance with, the laws of the
State of New York.


 


Section 4.03.     
Trustee Makes No Representation. The Trustee shall not be responsible in any manner whatsoever for or in respect of the
validity or sufficiency of this Fourth Supplemental Indenture or for or in respect of the recitals contained herein, all of which are
made solely by the Company and Petrobras.


 


Section 4.04.     
Effect of Headings. The section headings herein are for convenience only and shall not affect the construction of this Fourth
Supplemental Indenture.


 


Section 4.05.     
Counterparts. The parties may sign any number of copies of this Fourth Supplemental Indenture. Each signed copy shall be
an original, but all of them shall represent the same agreement. Counterparts may be delivered via facsimile, electronic mail (including
any electronic signature covered by the U.S. federal ESIGN Act of 2000, Uniform Electronic Transactions Act, the Electronic Signatures
and Records Act or other applicable law, e.g., www.docusign.com) or other transmission method and any counterpart so delivered
shall be deemed to have been duly and validly delivered and be valid and effective for all purposes.


 


Section 4.06.     
Waiver of Jury Trial. EACH OF THE PARTIES HERETO 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 THE INDENTURE OR THE NOTES.


 


[SIGNATURE PAGE TO FOLLOW IMMEDIATELY]


 






     


     


    

 



 


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


 





	 	PETROBRAS GLOBAL FINANCE B.V.
	 	 
	 	By:	 /s/ Guilherme Rajime Takahashi Saraiva
	 	Name: Guilherme Rajime Takahashi Saraiva
	 	Title: Managing Director A
	 	 
	 	By:	 /s/ João Lossio Pereira dos Reis
	 	Name: João Lossio Pereira dos Reis
	 	Title: Managing Director B
	 	 
	 	PETRÓLEO BRASILEIRO S.A. – PETROBRAS
	 	 
	 	By:	 /s/ Guilherme Rajime Takahashi Saraiva
	 	Name: Guilherme Rajime Takahashi Saraiva
	 	Title: Attorney in Fact
	 	 
	 	By:	 /s/ Lucas Tavares de Mello
	 	Name: Lucas Tavares de Mello
	 	Title: Attorney in Fact
	 	 
	 	WITNESSES:
	 	 
	 	1.	    /s/ Renan Feuchard Pinto
	 	Name: Renan Feuchard Pinto
	 	 
	 	2.	    /s/ Isabela de Souza Niedzielski Machado Andréa
	 	Name: Isabela de Souza Niedzielski Machado Andréa



 


[Signature Page - Fourth
Supplemental Indenture]


 






    


     


    

 





	 	THE BANK OF NEW YORK MELLON, as Trustee
	 	 
	 	By:	 /s/ Rita Duggan
	 	Name: Rita Duggan
	 	Title: Vice President
	 	 
	 	WITNESSES:
	 	 
	 	1.	    /s/ Christine Conway
	 	Name: Christine Conway, Vice President
	 	 
	 	2.	    /s/ Quintanna L. Walker
	 	Name: Quintanna L. Walker, Vice President



 


[Signature Page - Fourth Supplemental Indenture]


 



    


     


    

 


	STATE OF NEW YORK	)	 
	 	)	ss:
	COUNTY OF NEW YORK	)	 


 


On this 9th day of June 2021, before me, a notary
public within and for said county, personally appeared Rita Duggan, to me personally known, who being duly sworn, did say that she is
a Vice President of The Bank of New York Mellon, one of the persons described in and which executed the foregoing instrument, and acknowledges
said instrument to be the free act and deed of said entity.


 


On this 9th day of June 2021, before me personally
came Christine Conway and Quintanna Walker to me personally known, who being duly sworn, did say that they signed their names to the foregoing
instrument as witnesses.


 


	[Notarial Seal]	 
	 	 
	 	/s/ Rafal Bar
	 	Notary Public
	 	COMMISSION EXPIRES



 






    


     


    

 





Form of 5.500% Global Note due 2051


 


GLOBAL NOTE


 


THIS CERTIFICATE IS A GLOBAL NOTE WITHIN THE MEANING OF THE INDENTURE
HEREINAFTER REFERRED TO AND IS REGISTERED IN THE NAME OF A DEPOSITARY OR A NOMINEE THEREOF. UNLESS THIS CERTIFICATE IS PRESENTED BY AN
AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY (“DTC”) TO THE ISSUER OR THE TRUSTEE FOR REGISTRATION OF TRANSFER,
EXCHANGE OR PAYMENT, AND ANY CERTIFICATE ISSUED IN RESPECT THEREOF IS REGISTERED IN THE NAME OF CEDE & CO., OR IN SUCH OTHER NAME
AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC (AND ANY PAYMENT IS MADE TO CEDE & CO., OR TO SUCH OTHER ENTITY AS IS REQUESTED
BY AN AUTHORIZED REPRESENTATIVE OF DTC), ANY TRANSFER, PLEDGE OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL
SINCE THE REGISTERED HOLDER HEREOF, CEDE & CO., HAS A PROPERTY INTEREST IN THE NOTES REPRESENTED BY THIS CERTIFICATE HEREIN AND IT
IS A VIOLATION OF ITS RIGHTS FOR ANOTHER PERSON TO HOLD, TRANSFER OR DEAL WITH THIS CERTIFICATE.


 






    


     


    

 





PETROBRAS GLOBAL FINANCE B.V.


 


5.500% Global Notes due 2051


 


No. __________________


CUSIP No.: 71647NBJ7

ISIN No.: US71647NBJ72
 


	 	Principal Amount: 	U.S.$  
	 	Initial Issuance Date:	June 10, 2021


 


This Note is one of a duly authorized
issue of notes of PETROBRAS GLOBAL FINANCE B.V., a private company incorporated with limited liability under the laws of The Netherlands
(the “Issuer”), designated as its 5.500% Global Notes due 2051 (the “Notes”), issued in an initial
aggregate principal amount of U.S.$                    under the Fourth Supplemental Indenture (the “Fourth Supplemental Indenture”),
effective as of June 10, 2021, by and among the Issuer, Petróleo Brasileiro S.A. – Petrobras, a sociedade de economia
mista (partially state-owned enterprise) organized under the laws of Brazil (“Petrobras”), and The Bank of New
York Mellon, a New York banking corporation, as Trustee (the “Trustee”), to the Indenture, dated as of August 28, 2018
(the “Original Indenture”, and as supplemented by the Fourth Supplemental Indenture and any further supplements thereto
with respect to the Notes, the “Indenture”), by and among the Issuer and the Trustee. Reference is hereby made to the
Indenture for a statement of the respective rights, limitations of interests, benefits, obligations and duties thereunder of the Issuer,
the Trustee and the Holders, and of the terms upon which the Notes are, and are to be, authenticated and delivered. All capitalized terms
used in this Note which are defined in the Indenture and not otherwise defined herein shall have the meanings assigned to them in the
Indenture.


 


The Issuer, for value received,
hereby promises to pay to Cede & Co., or its registered assigns, as nominee of The Depository Trust Company (“DTC”),
and as the Holder of record of this Note, the principal amount specified above in U.S. dollars on June 10, 2051 (or earlier as provided
for in the Indenture) upon presentation and surrender hereof, at the office or agency of the Trustee referred to below.


 


As provided for in the Indenture,
the Issuer promises to pay interest on the outstanding principal amount hereof, from June 10, 2021, semi-annually in arrears on June 10
and December 10 of each year, (each such date, an “Interest Payment Date”), commencing December 10, 2021 at a rate
equal to 5.500% per annum, and will initially accrue from the date of issuance and thereafter from the last Interest Payment Date to which
interest has been paid. Interest payable, and punctually paid or duly provided for, on this Note on any Interest Payment Date will, as
provided in the Indenture, be paid in U.S. dollars to the Person in whose name this Note (or one or more predecessor Notes) is registered
at the close of business on the Business Day preceding such interest payment.


 






    


     


    

 


Payment of the principal of
and interest on this Note will be payable by wire transfer to a U.S. dollar account maintained by the Holder of this Note as reflected
in the Note Register of the Trustee. In the event the date for any payment of the principal of or interest on any Note is not a Business
Day, then payment will be made on the next Business Day with the same force and effect as if made on the nominal date of any such date
for such payment and no additional interest will accrue on such payment as a result of such payment being made on the next succeeding
Business Day. Interest shall accrue on the Notes at the rate of 5.500% per annum until all required amounts due in respect of the Notes
have been paid. Interest accrued with respect to this Note shall be calculated based on a 360-day year of twelve 30-day months.


 


The Notes are subject to redemption
by the Issuer on the terms and conditions specified in the Indenture.


 


This Note does not purport to
summarize the Indenture, and reference is made to the Indenture for information with respect to the respective rights, limitations of
interests, benefits, obligations and duties thereunder of the Issuer, the Trustee and the Holders.


 


If an Event of Default shall
occur and be continuing, the outstanding principal amount of all the Notes may become or may be declared due and payable in the manner
and with the effect provided in the Indenture.


 


Modifications of the Indenture
may be made by the Issuer and the Trustee only to the extent and in the circumstances permitted by the Indenture.


 


The Notes shall be issued only
in fully registered form, without coupons. Notes shall be issued in the form of beneficial interests in one or more global securities
in denominations of U.S.$2,000 and integral multiples of U.S.$1,000 in excess thereof.


 


Prior to and at the time of
due presentment of this Note for registration of transfer, the Issuer, the Trustee and any agent of the Issuer or the Trustee may treat
the Person in whose name this Note is registered as the owner hereof for all purposes, whether or not this Note is overdue, and neither
the Issuer, the Trustee nor any agent thereof shall be affected by notice to the contrary.


 


Unless the certificate of authentication
hereon has been duly executed by the Trustee by manual signature, this Note shall not be entitled to any benefit under the Indenture,
or be valid or obligatory for any purpose.


 


THIS NOTE SHALL BE CONSTRUED
IN ACCORDANCE WITH, AND GOVERNED BY, THE LAWS OF THE STATE OF NEW YORK.


 


[REMAINDER OF PAGE INTENTIONALLY LEFT BLANK]


 






    


     


    

 





IN WITNESS WHEREOF, the Issuer
has caused this Note to be duly executed.


 





	 	PETROBRAS GLOBAL FINANCE B.V.
	 	 
	 	By:	 
	 	Name:
	 	Title: Managing Director A
	 	 
	 	By:	 
	 	Name:
	 	Title: Managing Director B
	 	 
	 	WITNESSES:
	 	 
	 	1.	 
	 	Name:
	 	 
	 	2.	 
	 	Name:



 






    


     


    

 





CERTIFICATE OF AUTHENTICATION


 


This is one of the Notes of the series designated
therein referred to in the within mentioned Indenture.


 


Dated: June 10, 2021


 





	 	The Bank of New York Mellon,as Trustee
	 	 
	 	By:	 
	 	Name:
	 	Title:



 






    


     


    

 





ASSIGNMENT FORM


 


For value received


 


hereby sells, assigns and transfers unto


 


(Please insert social security or


 


other identifying number of assignee)


 


(Please print or type name and address,


 


including zip code, of assignee:)


 


the within Note and does hereby irrevocably constitute and appoint
Attorney to transfer the Note on the books of the Note Registrar with full power of substitution in the premises.


 





	Date:	Your Signature:	 
	 	 	 
	 	 	(Sign exactly as your name appears on the face of this
Note)