Company: PBR
Filing Date: 2025-06-02
Form Type: 6-K
Source: 0001292814-25-002312
Chunk: 0

Company: PETROBRAS - PETROLEO BRASILEIRO SA
Filing Date: 2025-06-02
Form: 6-K
Chunk 0
---
<div align='center'>UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

Report of Foreign Private
Issuer
Pursuant to Rule 13a-16 or 15d-16 of the

Securities Exchange
Act of 1934

For the month of May, 2025

Commission File Number 1-15106

PETRÓLEO BRASILEIRO S.A. – PETROBRAS

(Exact name of registrant
as specified in its charter)

Brazilian Petroleum Corporation – PETROBRAS

(Translation of Registrant's
name into English)

Avenida Henrique Valadares, 28 – 9th floor
20231-030 – Rio de Janeiro, RJ
Federative Republic of Brazil

(Address of principal
executive office)

Indicate by check mark
whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

Form 20-F ___X___ Form
40-F _______

Indicate by check mark
whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission
pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes _______ No___X____</div>

Petrobras announces Public Offering Registration Request for Debentures

—

Rio de Janeiro, May 30, 2025–
Petróleo Brasileiro S.A. – Petrobras, following up on the Material Facts disclosed on May 26, 2025, and May 28, 2025, announces
that it has filed today with the Brazilian Securities and Exchange Commission (“CVM”) the registration request for the public
offering of simple debentures, not convertible into shares, in up to three series, unsecured, of the company’s 8th (eighth) issuance
(“Debentures”), in the total amount of R$ 3,000,000,000.00 (three billion reais) (“Issuance”), which will be subject
to a public offering, under the automatic registration procedure, without prior analysis, pursuant to Article 26, item IV, subsection
“b” of CVM Resolution No. 160, dated July 13, 2022 (“CVM Resolution 160”), Law No. 12,431,