Company: PBR
Filing Date: 2025-09-05
Form Type: 424B2
Source: 0001104659-25-087755
Chunk: 2

Company: PETROBRAS - PETROLEO BRASILEIRO SA
Filing Date: 2025-09-05
Form: 424B2
Chunk 2
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 |    2 |
| Forward-Looking Statements                                           |    3 |
| Petrobras                                                            |    5 |
| PGF                                                                  |    6 |
| Use of Proceeds                                                      |    7 |
| The Securities                                                       |    8 |
| Legal Ownership                                                      |    9 |
| Description of Debt Securities                                       |   12 |
| Description of Mandatory Convertible Securities                      |   29 |
| Description of Warrants                                              |   30 |
| Description of the Guaranties                                        |   36 |
| Description of American Depositary Receipts                          |   37 |
| Form of Securities, Clearing and Settlement                          |   49 |
| Selling Shareholders                                                 |   54 |
| Plan of Distribution                                                 |   55 |
| Experts                                                              |   57 |
| Validity of Securities                                               |   58 |
| Difficulties of Enforcing Civil Liabilities Against Non-U.S. Persons |   59 |
| Where You Can Find More Information                                  |   61 |
| Incorporation of Certain Documents by Reference                      |   62 |

<div align='center'>ABOUT THIS PROSPECTUS SUPPLEMENT</div>

This document consists of two parts. The first part is this prospectus supplement, which describes the specific terms of the Notes that PGF is offering and certain other matters relating to PGF and Petrobras and Petrobras’s financial condition.The second part,
the accompanying prospectus, gives more general information about securities that PGF and Petrobras may offer from time to time. Generally,
references to the prospectus mean this prospectus supplement and the accompanying prospectus combined. If the information in this prospectus
supplement differs from the information in the accompanying prospectus, the information in this prospectus supplement supersedes the information
in the accompanying prospectus.

We are responsible for the
information contained and incorporated by reference in this prospectus supplement and in any related free-writing prospectus we prepare
or authorize. PGF and Petrobras have not authorized anyone to give you any other information, and we take no responsibility for any other
information that others may give you. Neither PGF nor Petrobras is making an offer to sell the Notes in any jurisdiction where the offer
is not permitted.

You should not assume that
the information in this prospectus supplement, the accompanying prospectus or any document incorporated by reference is accurate as of
any date other than the date of the relevant document.

In this prospectus supplement,
unless the