Company: PBR
Filing Date: 2025-09-03
Form Type: 424B2
Source: 0001104659-25-086714
Chunk: 56

Company: PETROBRAS - PETROLEO BRASILEIRO SA
Filing Date: 2025-09-03
Form: 424B2
Chunk 56
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Clearstream, Luxembourg or
Euroclear will credit payments to the cash accounts of participants in Clearstream, Luxembourg or Euroclear in accordance with the relevant
systemic rules and procedures, to the extent received by its depositary. Clearstream, Luxembourg or the Euroclear, as the case may
be, will take any other action permitted to be taken by a registered holder under the indenture on behalf of a Clearstream, Luxembourg
or Euroclear participant only in accordance with its relevant rules and procedures.

Clearstream, Luxembourg and
Euroclear have agreed to the foregoing procedures in order to facilitate transfers of the debt securities among participants of Clearstream,
Luxembourg and Euroclear. However, they are under no obligation to perform or continue to perform those procedures, and they may discontinue
those procedures at any time.

<div align='center'>S-42

UNDERWRITING</div>

Under the terms and subject
to the conditions contained in the underwriting agreement dated , 2025, by and among PGF, Petrobras and BBVA Securities Inc., Citigroup
Global Markets Inc., Deutsche Bank Securities Inc., Itau BBA USA Securities, Inc., Santander US Capital Markets LLC and UBS
Securities LLC, each underwriter has severally and not jointly agreed to purchase, and PGF has agreed to sell to the underwriters, the
principal amount of Notes set forth opposite the name of such underwriter below:

| Underwriters                     |     | Principal Amount of the20    Notes |     | Principal Amount of the20    Notes |
| BBVA Securities Inc.             |     | U.S.$                              |     | U.S.$                              |
| Citigroup Global Markets Inc.    |     | U.S.$                              |     | U.S.$                              |
| Deutsche Bank Securities Inc.    |     | U.S.$                              |     | U.S.$                              |
| Itau BBA USA Securities, Inc.    |     | U.S.$                              |     | U.S.$                              |
| Santander US Capital Markets LLC |     | U.S.$                              |     | U.S.$                              |
| UBS Securities LLC               |     | U.S.$                              |     | U.S.$                              |
| Total                            |     | U.S.$                              |     | U.S.$                              |

The underwriting agreement provides that the obligation of the underwriters to pay for and accept delivery of the Notes of each series is subject to, among other conditions, the delivery of certain certificates and legal opinions