Company: PBR
Filing Date: 2025-09-03
Form Type: 424B2
Source: 0001104659-25-086714
Chunk: 39

Company: PETROBRAS - PETROLEO BRASILEIRO SA
Filing Date: 2025-09-03
Form: 424B2
Chunk 39
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 their principal amount, plus accrued and unpaid interest, if any, to the relevant date of redemption, if and when, as a result of a change in, execution of, or amendment to, any laws or treaties or the official entry into effect, application or interpretation of any laws or treaties, we would be required to pay additional amounts related to the deduction of certain withholding taxesin respect of certain payments on such series of the Notes.

The optional tax redemption provision set forth in the accompanying prospectus under“Description of Debt Securities—Special
Situations—Optional Tax Redemption” shall apply with the reincorporation of PGF being treated as the adoption of a successor
entity. Such redemption 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 in such new jurisdiction of incorporation
that would result in the obligation to pay additional amounts.

Amendments

See “Description of
Debt Securities—Special Situations—Modification and Waiver” in the accompanying prospectus.

<div align='center'>S-31</div>

Further Issuances

The indenture for each series
by its terms does not limit the aggregate principal amount of securities that may be issued under it and permits the issuance, from time
to time, of additional notes (also referred to as add-on Notes) of the same series as those offered under this prospectus supplement.
The ability to issue add-on Notes is subject to several requirements, however, including that (i) no event of default under the relevant
indenture or event that with the passage of time or other action may become an event of default (such event being a “default”)
will have occurred and then be continuing or will occur as a result of that additional issuance, (ii) the add-on Notes will rank
pari passuand have equivalent terms and benefits as the Notes offered under this prospectus supplement except for the price to
the public and the issue date and (iii) any add-on Notes shall be issued under a separate CUSIP or ISIN number unless the add-on
Notes are issued pursuant to a “qualified reopening” of the original series, are otherwise treated as part of the same “issue”
of debt instruments as the original series or are issued with less than a de minimisamount of original issue discount, in each
case for U.S. federal income tax purposes. Any add-on Notes with respect to any