Company: PBR
Filing Date: 2025-05-05
Form Type: 6-K
Source: 0001292814-25-001839
Chunk: 0

Company: PETROBRAS - PETROLEO BRASILEIRO SA
Filing Date: 2025-05-05
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 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 starts operating the second module of the Natural Gas Processing Unit (UPGN) in Rio de Janeiro

—

Rio de Janeiro, May 5, 2025– Petróleo Brasileiro S.A. – Petrobras, following up on the communication of November 11, 2024, informs that
the second module of the Natural Gas Processing Unit (UPGN) of the Boaventura Energy Complex, located in Itaboraí (RJ), went into
commercial operation. Added to the first module, inaugurated last year, the unit's total processing capacity reaches 21 million m³/day.

The UPGN is part of Petrobras'
Route 3 Integrated Project, through which natural gas from pre-salt fields in the Santos Basin is transported. This is a rich gas which,
after processing, generates three products for the market: Natural Gas (NG); Liquefied Petroleum Gas (LPG or cooking gas); and C5+ (a
raw material in the petrochemical industry and fuel production).

Since November 2024, Petrobras
has been commercially