Company: PBR
Filing Date: 2025-05-28
Form Type: 6-K
Source: 0001292814-25-002253
Chunk: 1

Company: PETROBRAS - PETROLEO BRASILEIRO SA
Filing Date: 2025-05-28
Form: 6-K
Chunk 1
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-500.

Petrobras remains focused on operational
safety, improving energy efficiency, and reducing greenhouse gas emissions, while upgrading its refineries and ensuring competitiveness.
Over the next five years, the company plans to invest approximately US$ 15.2 billion to expand refining capacity and position its refineries
among the world's best in efficiency and operational performance.

About Replan

Inaugurated in May 1972, Replan
is the largest refinery in Brazil in terms of processing capacity, with a throughput of 434 kbpd. The unit accounts for 24% of the diesel
market in the country and was named “Refinery of the Year 2024” by the World Refining Association, a globally renowned entity
that promotes integration among major companies in the sector. In addition to diesel, the refinery produces gasoline, jet fuel, asphalt,
LPG and propylene, among other petroleum derivatives.

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.

Tel.: 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 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 operations may differ from current expectations, and the reader should not rely solely on the information
included 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: May 28, 2025

PETRÓLEO BRASILEIRO S.A–PETRO