Company: PBR
Filing Date: 2025-09-03
Form Type: 424B2
Source: 0001104659-25-086714
Chunk: 64

Company: PETROBRAS - PETROLEO BRASILEIRO SA
Filing Date: 2025-09-03
Form: 424B2
Chunk 64
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, the “FSMA”)) in connection with the issue or sale of any securities may otherwise lawfully be communicated
or caused to be communicated (all such persons together being referred to as “relevant persons”). This document is directed
only at relevant persons and must not be acted on or relied on by persons who are not relevant persons. Any investment or investment activity
to which this document relates is available only to relevant persons and will be engaged in only with relevant persons.

<div align='center'>S-46</div>

Notice to Prospective Investors in the United Kingdom

The Notes are not intended to be offered, sold or otherwise made available to and should not be offered, sold or otherwise made available to any retail investor in the United Kingdom (the “United Kingdom” or the “UK”). For these purposes, a retail investor means a person who is one (or more) of: (i) a retail client, as defined in point (8) of Article 2 of Regulation (EU) No 2017/565 as it forms part of domestic law by virtue of the European Union (Withdrawal) Act 2018 (the “EUWA”); (ii) a customer within the meaning of the provisions of theFinancial Services and Markets Act 2000 (as amended, the “FSMA”)
and any rules or regulations made under the FSMA to implement Directive (EU) 2016/97, where that customer would not qualify as a
professional client, as defined in point (8) of Article 2(1) of Regulation (EU) No 600/2014 as it forms part of domestic
law by virtue of the EUWA; or (iii) not a “qualified investor” as defined in Article 2 of Regulation (EU) 2017/1129
as it forms part of the domestic law by virtue of the EUWA (the “UK Prospectus Regulation”). No key information document required
by Regulation (EU) No 1286/2014 as it forms part of domestic law by virtue of the EUWA (the “UK PRIIPs Regulation”) for offering
or selling the Notes or otherwise making them available to retail investors in the UK has been prepared and the Notes will not be offered
or sold or otherwise made available to any retail investor in the UK.

This prospectus supplement has been prepared on the basis that any offer of Notes in the UK will be made pursuant to an exemptionunder
the UK Prospectus Regulation and the FSMA from