Petrobras appoints interim energy transition chief

Petróleo Brasileiro S.A. – Petrobras reports that its Board of Directors approved the election of William Vella Nozaki as interim Chief Energy Transition and Sustainability Officer (DTEN), effective August 1, 2026.

Rhea-AI Filing Summary

Petróleo Brasileiro S.A. – Petrobras reports that its Board of Directors approved the election of William Vella Nozaki as interim Chief Energy Transition and Sustainability Officer (DTEN), effective August 1, 2026. He will assume the DTEN role on an interim basis.

Nozaki currently heads Integrated Energy Transition Management at Petrobras, a position he has held since August 2024, and has served on Transpetro’s Board of Directors since December 2023. This change updates leadership over the company’s energy transition and sustainability agenda.

Key Figures

Effective date of interim DTEN role: August 1, 2026 Board approval date: July 24, 2026 Start of Integrated Energy Transition Management role: August 2024 +1 more

4 metrics

Effective date of interim DTEN role August 1, 2026 Start date for William Vella Nozaki as interim Chief Energy Transition and Sustainability Officer

Board approval date July 24, 2026 Date Petrobras’ Board of Directors approved the interim DTEN election

Start of Integrated Energy Transition Management role August 2024 Date since which Nozaki has served as head of Integrated Energy Transition Management

Start of Transpetro Board service December 2023 Date since which Nozaki has been a member of Transpetro’s Board of Directors

Key Terms

Foreign Private Issuer, Chief Energy Transition and Sustainability Officer, Integrated Energy Transition Management, Section 27A of the Securities Act of 1933, +1 more

5 terms

Foreign Private Issuer regulatory

"FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16"

A foreign private issuer is a company organized outside the United States that meets tests showing it is primarily foreign-controlled and therefore qualifies for a different set of U.S. reporting rules. For investors, that means the company files less frequent or differently formatted disclosures with U.S. regulators and may follow home-country accounting and governance practices, so buying its stock is like dining at a well-reviewed restaurant that follows its home kitchen’s rules instead of the local menu — you get access but should check what standards apply.

Chief Energy Transition and Sustainability Officer technical

"election of William Vella Nozaki as Chief Energy Transition and Sustainability Officer"

Integrated Energy Transition Management technical

"has been serving as Petrobras’ head of Integrated Energy Transition Management"

Section 27A of the Securities Act of 1933 regulatory

"forecasts within the meaning of Section 27A of the Securities Act of 1933"

Section 21E of the Securities Exchange Act of 1934 regulatory

"and Section 21E of the Securities Trading Act of 1934"

Section 21E of the Securities Exchange Act of 1934 creates a legal safe harbor for forward-looking statements — projections, plans, estimates or predictions — made by public companies, provided those statements are identified as forward-looking and accompanied by meaningful cautionary language about risks and uncertainties. For investors, it matters because it helps distinguish promotional predictions from factual disclosures and signals which optimistic forecasts carry legal protection and which risks the company has warned could affect outcomes, like a weather forecast that comes with a disclaimer about changing conditions.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What leadership change did Petrobras (PBR-A) report in this Form 6-K?

Petrobras reported that its Board approved the election of William Vella Nozaki as interim Chief Energy Transition and Sustainability Officer, effective August 1, 2026. He will temporarily lead the DTEN area responsible for energy transition and sustainability matters.

When does the new interim energy transition role at Petrobras (PBR-A) take effect?

The interim appointment of William Vella Nozaki as Chief Energy Transition and Sustainability Officer takes effect on August 1, 2026. Petrobras states that its Board of Directors approved the election on July 24, 2026, setting the effective date for the leadership change.

What experience does William Vella Nozaki bring to his new interim role at Petrobras (PBR-A)?

William Vella Nozaki has served as Petrobras’ head of Integrated Energy Transition Management since August 2024. He has also been a member of Transpetro’s Board of Directors since December 2023, providing experience in both corporate governance and energy transition oversight.

Is the new Chief Energy Transition and Sustainability Officer at Petrobras (PBR-A) a permanent appointment?

Petrobras specifies that William Vella Nozaki was elected on an interim basis as Chief Energy Transition and Sustainability Officer. The company does not describe this as a permanent appointment, indicating a temporary arrangement while he leads the DTEN area.

Does Petrobras (PBR-A) include any forward-looking information in this update?

Yes. The company notes the document may contain forecasts within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934, emphasizing that actual results may differ from current expectations.

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Available on EDGAR 07/27/2026 - 06:01 AM Accepted by SEC EDGAR 07/24/2026 - 05:34 PM Learn about SEC filing dates

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

Report of Foreign Private Issuer
Pursuant to Rule 13a-16 or 15d-16 of the

Securities Exchange Act of 1934

For the month of July, 2026

Commission File Number 1-15106

PETRÓLEO BRASILEIRO S.A. – PETROBRAS

(Exact name of registrant as specified in its charter)

Brazilian Petroleum Corporation – PETROBRAS

(Translation of Registrant's name into English)

Avenida Henrique Valadares, 28 – 9th floor 
20231-030 – Rio de Janeiro, RJ
Federative Republic of Brazil

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F. 

Form 20-F ___X___ Form 40-F _______

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes _______ No___X____

Election of Interim Chief Energy Transition and Sustainability Officer

—

Rio de Janeiro, July 24, 2026 – Petróleo Brasileiro S.A. – Petrobras informs that its Board of Directors today approved the election of William Vella Nozaki as Chief Energy Transition and Sustainability Officer (DTEN), on an interim basis, effective as of August 1^st, 2026.

William Vella Nozaki has been serving as Petrobras’ head of Integrated Energy Transition Management, a position reporting to DTEN, since August 2024, and has been a member of Transpetro’s Board of Directors since December 2023.

www.petrobras.com.br/ri

For more information:

PETRÓLEO BRASILEIRO S.A. – PETROBRAS | Investor Relations

Email: petroinvest@petrobras.com.br/acionistas@petrobras.com.br

Av. Henrique Valadares, 28 – 9th floor – 20231-030 – Rio de Janeiro, RJ.

This document may contain forecasts within the meaning of Section 27A of the Securities Act of 1933, as amended (Securities Act), and Section 21E of the Securities Trading Act of 1934, as amended (Trading Act) that reflect the expectations of the Company's officers. The terms: "anticipates", "believes", "expects", "predicts", "intends", "plans", "projects", "aims", "should," and similar terms, aim to identify such forecasts, which evidently involve risks or uncertainties, predicted or not by the Company. Therefore, future results of the Company's operations may differ from current expectations, and the reader should not rely solely on the information included herein.

SIGNATURES

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: July 24, 2026

PETRÓLEO BRASILEIRO S.A–PETROBRAS

By: /s/ Fernando Sabbi Melgarejo

______________________________

Fernando Sabbi Melgarejo

Chief Financial Officer and Investor Relations Officer