Company: PBR
Filing Date: 2025-06-05
Form Type: 6-K
Source: 0001292814-25-002358
Chunk: 0

Company: PETROBRAS - PETROLEO BRASILEIRO SA
Filing Date: 2025-06-05
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 June, 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 submits a declaration of interest for exploratory blocks in the Ivory Coast

—

Rio de Janeiro, June 4, 2025 –
Petróleo Brasileiro S.A. – Petrobras informs it has submitted a declaration of interest for exploratory blocks on the offshore
areas of the Ivory Coast, a country located on the west coast of Africa.

The Ivory Coast government, through its
Council of Ministers, approved Petrobras' declaration of interest for nine blocks. This is the first phase in the acquisition process
for exploratory areas in the Ivory Coast, which is then followed by contractual negotiations of the exploratory blocks. The purpose of
the declaration is to ensure exclusivity in the contractual negotiation phase.

Petrobras highlights that the decision
to submit the declaration of interest to the Ivory Coast government complied with all of the company's internal governance procedures,
in line with its long-term strategy, which is aimed at replenishing oil and gas reserves by exploring new frontiers, both in Brazil and
internationally. The evaluation of new areas is targeted at diversifying the Company’s exploratory portfolio and