Company: PBR
Filing Date: 2025-09-05
Form Type: 424B2
Source: 0001104659-25-087755
Chunk: 22

Company: PETROBRAS - PETROLEO BRASILEIRO SA
Filing Date: 2025-09-05
Form: 424B2
Chunk 22
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 following events will
be events of default with respect to each series of the Notes:

| · | PGF does not pay the principal on the Notes of                                                                                         
 such series within seven calendar days of its due date and the trustee has not received such amounts from Petrobras under the relevant 
 guaranty by the end of that seven-day period.                                                                                          |

| · | PGF does not pay interest or other amounts, including                                                                                       
 any additional amounts, on the Notes of such series within 30 calendar days of their due date and the trustee has not received such amounts 
 from Petrobras under the relevant guaranty by the end of that 30-day period.                                                                |

| · | PGF or Petrobras remains in breach of any covenant                                                                                           
 or any other term in respect of the Notes of such series issued under the indenture or guaranty for such series for 60 calendar days after   
 receiving a notice of default stating that it is in breach. The notice must be sent by either the trustee or holders of 25% of the principal 
 amount of such series of the Notes.                                                                                                          |

| · | The maturity of any indebtedness of PGF or Petrobras                                                                                            
 or a material subsidiary in a total aggregate principal amount of U.S.$200,000,000 (or its equivalent in another currency) or more is           
 accelerated in accordance with the terms of that indebtedness, it being understood that prepayment or redemption by us or a material subsidiary 
 of any indebtedness is not acceleration for this purpose.                                                                                       |

| · | PGF or Petrobras or any material subsidiary stops                                                                                          
 paying or is generally unable to pay its debts as they become due, except in the case of a winding-up, dissolution or liquidation for      
 the purpose of and followed by a consolidation, spin-off, merger, conveyance or transfer duly approved by the note holders of that series. |

| · | If proceedings are initiated against PGF, Petrobras                                                                                          
 or any material subsidiary under any applicable bankruptcy, reorganization, insolvency, moratorium or intervention law or law with similar   
 effect, or under any other law for the relief of, or relating to, debtors, and such proceeding is not dismissed or stayed within 90 calendar 
 days.                                                                                                                                        |

<div align='center'>S-22</div>

| · | An administrative or other receiver, manager                                                                                             
 or administrator, or any such or other similar official is appointed in relation to, or a distress, execution, attachment,