Company: PBR
Filing Date: 2025-11-03
Form Type: 6-K/A
Source: 0001292814-25-003747
Chunk: 0

Company: PETROBRAS - PETROLEO BRASILEIRO SA
Filing Date: 2025-11-03
Form: 6-K/A
Chunk 0
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<div align='center'>UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K/A

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

Securities Exchange
Act of 1934

For the month of November, 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 production record of FPSO Almirante Tamandaré (Búzios 7)

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Rio de Janeiro, October 28, 2025 –Petróleo Brasileiro S.A. – Petrobras announces that the FPSO Almirante Tamandaré, operating in the Búzios field, located in the pre-salt layer of the Santos Basin, reached a record instantaneous production flow equivalent to 270,000 barrels of oil per day (bpd) last Saturday (October 25). On October 9, the platform’s daily production exceeded, for the first time, 250,000 barrels, representing a volume above its nominal capacity of 225,000 bpd.

The platform, which is chartered by Petrobras from SBM Offshore, was designed to allow for production margins that enable output of up to 270,000 bpd at certain times, without the need for additional works.

This initiative is part of a series of actions implemented by the company to increase production through efficiency gains. All such actions comply with strict safety protocols and are