Company: PBR
Filing Date: 2025-07-23
Form Type: 6-K
Source: 0001292814-25-002723
Chunk: 1

Company: PETROBRAS - PETROLEO BRASILEIRO SA
Filing Date: 2025-07-23
Form: 6-K
Chunk 1
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 Shared Reservoir        |         |
| PETROBRAS                                | 97.250% |
| SHELL                                    | 0.430%  |
| BRAVA                                    | 0.198%  |
| ONGC                                     | 0.232%  |
| FEDERAL GOVERNMENT (represented by PPSA) | 1.890%  |

The AIP is executed when reservoirs extend
beyond the boundaries of the contracted or concession areas, according to ANP regulations. Following ANP approval, the AIP will become
effective on August 01, 2025.

As a result of the process of individualizing
the production of the deposit, the companies' commitment includes the obligation to negotiate financial compensation between the expenses
incurred and the revenues relating to the volumes produced up to the effective date of the AIP.

www.petrobras.com.br/ri

For more information:

PETRÓLEO BRASILEIRO S.A. – PETROBRAS | Investor Relations

Email: petroinvest@petrobras.com.br/acionistas@petrobras.com.br

Av. Henrique Valadares 28 – 9º andar –
20031-030 – Rio de Janeiro, RJ

Phone: 55 (21) 3224-1510/9947

This document may contain forecasts
within the meaning of Section 27A of the Securities Act of 1933, as amended (Securities Act), and Section 21E of the Securities Exchange
Act of 1934, as amended (Exchange Act) that reflect the expectations of the Company's officers. The terms “anticipates,” “believes,”
“expects,” “predicts,” “intends,” “plans,” “projects,” “aims,”
“should,” and similar terms, aim to identify such forecasts, which evidently involve risks or uncertainties, predicted or
not by the Company. Therefore, the future results of the Company's operations may differ from current expectations, and the reader should
not rely solely on the information contained herein.

<div align='center'>SIGNATURES</div>

Pursuant to the requirements of the Securities Exchange Act of 1934,
the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Date: July 23, 2025

PETRÓLEO BRASILEIRO S.A–PETROBRASBy: /s