Company: PBR
Filing Date: 2025-11-28
Form Type: 6-K
Source: 0001292814-25-004078
Chunk: 1

Company: PETROBRAS - PETROLEO BRASILEIRO SA
Filing Date: 2025-11-28
Form: 6-K
Chunk 1
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 points (the “”), plus
in the case of each of clause (A) and (B) above, accrued interest on the principal amount of such Notes from November 23, 2025 to (but not
including) the Redemption Date. The Make-Whole Amount will be determined and communicated to holders of the Notes on the third Business
Day preceding the Redemption Date.

Payment on the Notes will be made prior to 3:00 pm New York City
time, on the business day preceding the Redemption Date, by credit to the account of The Bank of New York Mellon, the trustee for the
Notes (the “”), as paying agent for the Notes. The Trustee will cause funds to be paid to The Depositary Trust
Company for further payment to its participants.

On the Redemption Date, the Make-Whole Amount, plus accrued interest,
will become due and payable. Interest on the Notes will cease to accrue on and after the Redemption Date. Upon the redemption, the Notes
and the related guaranty by Petrobras will be cancelled and any obligation thereunder extinguished.

PGF intends to fund the amounts necessary to redeem the Notes with
available cash on hand.

For more information or if you have any questions regarding the
redemption, please contact Petrobras’s investor relations department at petroinvest@petrobras.com.br.

Forward-Looking Statements

This announcement contains forward-looking statements. Forward-looking
statements are information of a non-historical nature or which relate to future events and are subject to risks and uncertainties. No
assurance can be given that the transactions described herein will be consummated or as to the ultimate terms of any such transactions.
Petrobras undertakes no obligation to publicly update or revise any forward-looking statements, whether as a result of new information
or future events or for any other reason.

<div align='center'>SIGNATURE</div>

Pursuant to the requirements of the Securities Exchange
Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

| PETRÓLEO BRASILEIRO S.A--PETROBRAS |                              |
| By:                                | /s/ Andre Gameiro Rua        |
|                                    | Name: Andre Gameiro Rua      |
|                                    | Title: Attorney-in-fact      |
| By:                                | /s/ Lucas Tavares de Mello   |
|                                    | Name: Lucas Tavares