Company: PBR
Filing Date: 2025-05-23
Form Type: 6-K
Source: 0001292814-25-002203
Chunk: 0

Company: PETROBRAS - PETROLEO BRASILEIRO SA
Filing Date: 2025-05-23
Form: 6-K
Chunk 0
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<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 signs agreement with Proquigel—

Rio de Janeiro, May 22, 2025– Petróleo Brasileiro S.A. – Petrobras, following up on the disclosure made on May 9, 2025, announces that it has
signed today an agreement with Proquigel, a subsidiary of Unigel, to resolve existing contractual disputes and litigation between the
parties.

To take effect, the agreement
must still be ratified by the Arbitral Tribunal, which has already been requested by the parties.

The agreement provides for the
reinstatement of Petrobras' possession of the fertilizer plants (FAFENs) in Bahia and Sergipe, and the resumption of operations by Petrobras
through a bidding process for the contracting of Operation and Maintenance services, in compliance with applicable governance practices
and internal procedures.

As disclosed in its 2025-2029
Business Plan, Petrobras aims to resume activities in the fertilizer segment to create value through the production and commercialization
of nitrogen-based products, while aligning with the oil and natural gas production chain and the energy