Company: PBR
Filing Date: 2025-11-07
Form Type: 6-K
Source: 0001292814-25-003847
Chunk: 14

Company: PETROBRAS - PETROLEO BRASILEIRO SA
Filing Date: 2025-11-07
Form: 6-K
Chunk 14
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4 with the net actuarial liability registered by the
Company at the same date:

|                                                                                                                          | PPSP-R (1) | PPSP-NR (1) |
| Deficit registered by Petros                                                                                             |        259 |          93 |
| Ordinary and extraordinary future contributions - sponsor                                                                |      3,744 |       1,097 |
| Contributions related to the TFC - sponsor                                                                               |        658 |         442 |
| Financial assumptions (interest rate and inflation), changes in fair value of plan assets and actuarial valuation method |     -1,976 |        -474 |
| Net actuarial liability recorded by the Company                                                                          |      2,684 |       1,158 |
| (1) It includes the balance of PPSP-R pre-70 and PPSP-NR pre-70.                                                         |            |             |

The main difference between these methodologies
is that, in the CNPC criterion, Petros Foundation considers the future cash flows of normal and extraordinary sponsor’s contributions,
discounted to present value, while the Company considers these cash flows as they are realized. In addition, Petros Foundation sets the
real interest rate based on profitability expectations and on parameters set by the Superintendência Nacional de Previdência
Complementar - PREVIC (National Supplementary Pension Authority), while the Company uses a rate that combines the maturity profile of
the obligations with the yield curve of government bonds. Regarding the plan assets, Petros Foundation marks government bonds at market
value or on the curve, while the Company marks all of them at market value.

| 13.2.1. |     | Actuarial liabilities recognized                                         
 in the statement of financial position, related to defined benefit plans |

Net actuarial liabilities represent the obligations
of the Company, net of the fair value of plan assets (when applicable), at present value.

Changes in the actuarial liabilities related to
pension and health care plans with defined benefit characteristics is presented as follows:

| 25 |

| NOTES TO THE UNAUDITED CONDENSED CONSOLIDATED INTERIM FINANCIAL STATEMENTSPETROBRAS(Expressed in millions of US Dollars, unless otherwise indicated) |

|                                                                  |            |             |               |                     |   2025 |
|                                                                  |            |             | Pension Plans |    Health Care Plan |  Total |
|                                                                  | PPSP-R (1) | PPSP-NR (1) |