Company: PBR
Filing Date: 2025-10-21
Form Type: 6-K
Source: 0001292814-25-003575
Chunk: 1

Company: PETROBRAS - PETROLEO BRASILEIRO SA
Filing Date: 2025-10-21
Form: 6-K
Chunk 1
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., Enauta Petróleo
e Gás Ltda. (Brava), and ONGC Campos Ltda. – is ongoing and will be disclosed to the market upon its conclusion.

As disclosed on July 23, 2025, the approval
of the AIP for the Jubarte Pre-Salt by Brazil’s National Agency of Petroleum, Natural Gas, and Biofuels (ANP) resulted in the definition
of the proportional shares of each company in the shared reservoir, as follows:

| · | Petrobras: 97.250% |

| · | Shell: 0.430% |

| · | Brava: 0.198% |

| · | ONGC: 0.232% |

| · | Brazilian Union (represented by PPSA): 1.890% |

This new configuration requires the negotiation
of the AEGV to reconcile revenues derived from oil and natural gas production, incurred investment expenses, operating expenses, royalties,
and special participation payments in proportion to the parties’ shares in the shared reservoir, in accordance with CNPE Resolution
No. 8/2016 and ANP Resolution No. 867/2022. The period considered spans from the signing of the BC-60 Concession Agreement (Jubarte) on
August 6, 1998, to July 31, 2025, the day prior to the effective date of the Jubarte Pre-Salt AIP.

www.petrobras.com.br/ir

For more information:

PETRÓLEO BRASILEIRO S.A. – PETROBRAS | Investor Relations

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

Av. Henrique Valadares, 28 – 9th floor –
20231-030 – Rio de Janeiro, RJ.

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 Trading
Act of 1934, as amended (Trading 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,
future results of the Company's