Company: PBR
Filing Date: 2025-07-01
Form Type: 6-K
Source: 0001292814-25-002531
Chunk: 1

Company: PETROBRAS - PETROLEO BRASILEIRO SA
Filing Date: 2025-07-01
Form: 6-K
Chunk 1
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 well as other applicable legal and regulatory provisions, in the total amount of R$ 3,000,000,000.00
(three billion reais).

The offering enabled the company to raise
funds in the local market at competitive costs, in line with its liability management strategy.

The total demand for the offering reached
approximately R$ 5.4 billion, allowing a significant reduction in interest rates during the bookbuilding process compared to the initially
announced rates, highlighting strong investor appetite for the company’s credit, particularly from individual investors, who directly
subscribed to approximately 68% of the issued volume.

The final settlement of the offering occurred
on June 24, 2025.

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, 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: June 30, 2025

PETRÓLEO BRASILEIRO S.A–PETROBRASBy: /s/ Fernando Sabbi Melgarejo

______________________________

Fernando Sabbi Melgarejo

Chief Financial Officer and Investor Relations
Officer