Company: PBR
Filing Date: 2025-03-27
Form Type: 6-K
Source: 0001292814-25-001094
Chunk: 0

Company: PETROBRAS - PETROLEO BRASILEIRO SA
Filing Date: 2025-03-27
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 March, 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 expands RNEST's processing capacity with completion of Train 1 works—

Rio de Janeiro, March 27, 2025– Petróleo Brasileiro S.A. – Petrobras reports that it has completed the modernization work on Train 1 of the Abreu
e Lima Refinery (RNEST), located in the city of Ipojuca, in the state of Pernambuco. The renovation and expansion process (Revamp) received
investments of approximately R$ 93 million and will expand the unit's processing capacity from 115,000 to 130,000 barrels of oil per day.

This important milestone represents
the completion of the production capacity expansions planned for the current Refining Train in operation, seeking better flow of light
products and greater processing capacity for pre-salt oil.

Among all Brazilian refineries,
RNEST has the highest rate of conversion of crude oil into diesel (70%). With the completion of RNEST's scope (SNOX, Revamp Train 1 and
Train 2), the refinery will have the capacity to process