Company: PBR
Filing Date: 2025-10-27
Form Type: 6-K
Source: 0001292814-25-003631
Chunk: 18

Company: PETROBRAS - PETROLEO BRASILEIRO SA
Filing Date: 2025-10-27
Form: 6-K
Chunk 18
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 power the generating agent undertakes to
keep available to the electrical system, ensuring the reliability of supply at times of peak demand or supply restrictions. In Capacity
Reserve Contracts of power, the agent receives a fixed portion, associated with the availability of the contracted power, and a variable
remuneration, linked to the plant's energy generation costs when dispatched by the National System Operator (ONS). T Total commercial
production: Production of oil, NGL and commercial natural gas (excluding the volume of natural gas reinjected and not marketed). Total
distillation feedstock: the feedstock of distillation units, consisting of oil, C5+, residues and reprocessing, including terminals. Total
operated production: Production from a gas or oil field, including Petrobras' interest and the interest of partners. Total production:
Production of oil, NGL and natural gas (takes into account the volume of natural gas reinjected and not sold). Total utilization factor
of the refining park: percentage utilization of the refining park in relation to its reference feedstock. It takes into account all the
cargo in the distillation units, consisting of oil, C5+, residues, reprocessing, including terminals. Tupi Asset: includes the area of
the Tupi Shared Reservoir and the Iracema Area. V VLSFO: Very Low Sulfur Fuel Oil. Petrobras | Investor Relations www.petrobras.com.br/ir</div>

<div align='center'>SIGNATURES</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.

Date: October 24, 2025

PETRÓLEO BRASILEIRO S.A–PETROBRASBy: /s/ Fernando Sabbi Melgarejo

______________________________

Fernando Sabbi Melgarejo

Chief Financial Officer and Investor Relations
Officer