Company: PBR
Filing Date: 2025-03-26
Form Type: 6-K
Source: 0001292814-25-001057
Chunk: 0

Company: PETROBRAS - PETROLEO BRASILEIRO SA
Filing Date: 2025-03-26
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 informs about the nomination of a new alternate for the election of the Fiscal Council—

Rio de Janeiro, March 25, 2025– Petróleo Brasileiro S.A. – Petrobras informs that it has received from funds of investments managed
by Franklin Resources the request for substitution of the alternate member of the fiscal council for the separate election of holders
of preferred shares.

Below is the indication of
the Manager with the aforementioned change:

| Candidate Name                  | Position to apply for                                       | Shareholders who                               
 nominated                                      |
| Reginaldo Ferreira Alexandre    | Member of the Fiscal Council (Holder) - preferred shares    | Investment funds managed by Franklin Resources |
| Vasco de Freitas Barcellos Neto | Member of the Fiscal Council (Alternate) - preferred shares |                                                |

www.petrobras.com.br/ir

For more information:

PETRÓLEO BRASILEIRO S.A. – PETROBRAS | Investor Relations

Email: petroinvest@petrobras.com.br/acionistas@petrobras.com.br

Av. Henrique Valada