Company: PBR
Filing Date: 2025-09-10
Form Type: 8-A12B
Source: 0001104659-25-089028
Chunk: 1

Company: PETROBRAS - PETROLEO BRASILEIRO SA
Filing Date: 2025-09-10
Form: 8-A12B
Chunk 1
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333-283981-01).

99 (D). Guaranty for the 2030 Notes dated as of September 10, 2025, between the Guarantor and the Trustee, incorporated by reference to Exhibit 4.1 of the Report on Form 6-K furnished by the Guarantor to the SEC on September 10, 2025.

99 (E). Seventh Supplemental Indenture dated as of September 10, 2025, among the Company, the Guarantor and the Trustee, incorporated by reference to Exhibit 4.3 of the Report on Form 6-K furnished by the Guarantor to the SEC on September 10, 2025.

99 (F). Form of 5.125% Global Notes due 2030 incorporated by reference to Exhibit 4.5 of the Report on Form 6-K furnished by the Guarantor to the SEC on September 10, 2025.

99 (G). Guaranty for the 2036 Notes dated as of September 10, 2025, between the Guarantor and the Trustee, incorporated by reference to Exhibit 4.2 of the Report on Form 6-K furnished by the Guarantor to the SEC on September 10, 2025.

99 (H). Eighth Supplemental Indenture dated as of September 10, 2025, among the Company, the Guarantor and the Trustee, incorporated by reference to Exhibit 4.4 of the Report on Form 6-K furnished by the Guarantor to the SEC on September 10, 2025.

99 (I). Form of 6.250% Global Notes due 2036 incorporated by reference to Exhibit 4.6 of the Report on Form 6-K furnished by the Guarantor to the SEC on September 10, 2025.

<div align='center'>SIGNATURE</div>

Pursuant to the requirements of Section 12 of the
Securities Exchange Act of 1934, each of the Registrants has duly caused this registration statement or amendment thereto to be signed
on its behalf by the undersigned, thereunto duly authorized.

| PETRÓLEO BRASILEIRO S.A. – PETROBRAS |                                          |
| (Registrant)                         |                                          |
| By:                                  | /s/ Guilherme Rajime Takahashi Saraiva   |
|                                      | Name: Guilherme Rajime Takahashi Saraiva |
|                                      | Title: