Company: PBR
Filing Date: 2025-09-03
Form Type: 6-K
Source: 0001104659-25-086716
Chunk: 0

Company: PETROBRAS - PETROLEO BRASILEIRO SA
Filing Date: 2025-09-03
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

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of September, 2025

Commission File Number 001-15106

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
20241-030 - Rio de Janeiro, RJ
Federative Republic of Brazil

(Address of principal executive office)</div>

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-Fx Form 40-F¨

<div align='center'>PETROBRAS ANNOUNCES OFFERING OF U.S. DOLLAR-DENOMINATED GLOBAL NOTES</div>

RIO DE JANEIRO, BRAZIL – SEPTEMBER 3, 2025 –Petróleo Brasileiro S.A. – Petrobras (“ Petrobras”) (NYSE: PBR) announces that its wholly-owned subsidiary, Petrobras Global Finance B.V. (“ PGF”), has commenced an offering of two new series of U.S. dollar-denominated global notes in the international capital markets (the “ Notes”), subject to market and other conditions. The Notes will be unsecured obligations of PGF and will be fully, unconditionally and irrevocably guaranteed by Petrobras.

PGF intends to use the net proceeds from the sale of the Notes for general corporate purposes.

PGF has engaged BBVA Securities Inc., Citigroup Global Markets Inc., Deutsche Bank Securities Inc., Itau BBA USA Securities, Inc., Santander US Capital Markets LLC and UBS Investment Bank to act as joint bookrunners with respect to the offering of the Notes.

This announcement is for informational purposes only, and does not constitute or form part of any offer or invitation to sell or a solicitation of an offer to purchase any securities.

There shall be no sale of the Notes in any jurisdiction in which such an offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of