Company: PBR
Filing Date: 2025-03-14
Form Type: 6-K
Source: 0001292814-25-000909
Chunk: 8

Company: PETROBRAS - PETROLEO BRASILEIRO SA
Filing Date: 2025-03-14
Form: 6-K
Chunk 8
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 Resolution 81,
as amended by CVM Resolution 204.

Rio de Janeiro, March 13, 2025.

Pietro Adamo Sampaio Mendes

Chair of the Board of Directors

| Shareholder Meetings | 9 |

| Shareholder Meetings | 10 |

<div align='center'>GUIDELINES FOR PARTICIPATION</div>

GUIDELINES
FOR PARTICIPATION IN MEETINGS

| 1. | FORMS OF PARTICIPATION |

As stated in the Call Notice,
the Meetings will be held on April 16, 2025, at 2:00 p.m., partially digitally, as established in Article 43 of Petrobras' Bylaws.

Thus, the shareholder's participation
may be:

a)via Distance Voting Ballot(“BVD”), whose model is available on the Company's websiteshttp://www.petrobras.com.br/ir and CVMhttp://www.cvm.gov.br, to be sent:

| (i) | directly                                                                                                           
 to the Company, through the electronic system available at https://qicentral.precisao-i.com/m/agoe-petrobras-2025, 
 excluding the possibility of sending the Form by                                                                   
 post or electronic mail, pursuant to Paragraph 7, Article 27 of CVM Resolution 81; or                              |

| (ii) | by                                                                                                                                      
 transmitting filling instructions to qualified service providers (custodians, bookkeepers, or central depositories), in accordance with 
 Article 27, Item II, Paragraphs “a”, “b” and “c” of CVM Resolution 81.                                                                  |

Without prejudice to the guidelines in this section, for additional instructions on participation and voting via Distance Voting
Ballot (BVD), shareholders are advised to refer to the next section “Instructions for Voting via the Distance Voting
Ballot” in this Shareholders' Meeting Participation Manual (“Manual”).

Only custodians and bookkeepers that are central depositary participants may provide services for collecting and transmitting
instructions for completing the Form.

The Company informs that the instructions provided in this Manual, as well as in the Distance Voting Ballot, aim to help
shareholders fill out the Form. Shareholders who choose to use the Distance Voting Ballot are solely and entirely responsible for
filling it in correctly, regardless of how they have accessed it: either directly (through the Company's or the CVM's websites) or
indirectly (through qualified service providers under CVM