Form of Proxy

Analysis of management accounts, analysis, discussion, and voting on the Management Report and the Companys Financial Statements, accompanied by the Independent Auditors Report and Petrobras Fiscal Councils Opinion for the fiscal year ended on December 31, 2025.

Proposal for the Capital Budget for the fiscal year of 2026.

Proposal for the Allocation of the Net Income for the 2025 fiscal year.

Proposal for the establishment of 11 (eleven) members for the Board of Directors.

Election of Director by common shareholders with voting rights: Francisco Petros Oliveira Lima Papathanasiadis

Election of Director by common shareholders with voting rights: Márcio Ellery Girão Barroso

If it is verified that neither the holders of voting right shares nor the holders of preferred shares without voting rights or with restricted voting rights have reached the quorum required in items I and II, respectively, of paragraph 4, article 141, of Law 6404, of 1976, do you wish to have your vote added to the shares with voting rights in order to elect to the board of directors the candidate with the highest number of votes amongst all those who, appearing on this ballot, run for the separate election?

Election of Directors (Controlling Shareholder): Bruno Moretti, José Fernando Coura, Magda Maria de Regina Chambriard, Marcelo Weick Pogliese, Benjamin Alves Rabello Filho, Renato Campos Galuppo, Fábio Henrique Bittes Terra, Ricardo Baldin

If one of the candidates that composes your chosen slate leaves it, can the votes corresponding to your shares continue to be conferred on the same slate?

Do you wish to request the cumulative voting for the election of the board of directors, under the terms of art. 141 of Law 6,404, of 1976? (If the shareholder chooses no or abstain, his/her shares will not be computed for the request of the cumulative voting request).

In case of a cumulative voting process, should the corresponding votes to your shares be equally distributed among the candidates indicated below? [If the shareholder chooses yes, only the candidates listed below with the answer type approve will be considered in the proportional percentage distribution. If the shareholder chooses to abstain and the election occurs by the cumulative voting process, the shareholders vote shall be counted as an abstention in the respective resolution...(due to space limits, see proxy material for full proposal).

Election of Director: Bruno Moretti

Election of Director: Magda Maria de Regina Chambriard

Election of Director: Benjamin Alves Rabello Filho

Election of Director: Fábio Henrique Bittes Terra

Election of Director: José Fernando Coura

Election of Director: Marcelo Weick Pogliese

Election of Director: Renato Campos Galuppo

Election of Director: Ricardo Baldin

Election of Director: José João Abdalla Filho

Election of Director: Marcelo Gasparino da Silva

Election of Director: Mauro Rodrigues da Cunha

Deliberation on the independence of José Fernando Coura, pursuant to Article 18, section 5 of the Petrobras Bylaws and CVM Resolution No. 80, dated 03/29/2022.

Deliberation on the independence of Renato Campos Galuppo, pursuant to Article 18, section 5 of the Petrobras Bylaws and CVM Resolution No. 80, dated 03/29/2022.

Deliberation on the independence of Ricardo Baldin, pursuant to Article 18, section 5 of the Petrobras Bylaws and CVM Resolution No. 80, dated 03/29/2022.

Deliberation on the independence of José João Abdalla Filho, pursuant to Article 18, section 5 of the Petrobras Bylaws and CVM Resolution No. 80, dated 03/29/2022.

Deliberation on the independence of Marcelo Gasparino da Silva, pursuant to Article 18, section 5 of the Petrobras Bylaws and CVM Resolution No. 80, dated 03/29/2022.

Deliberation on the independence of Mauro Rodrigues da Cunha, pursuant to Article 18, section 5 of the Petrobras Bylaws and CVM Resolution No. 80, dated 03/29/2022.

Deliberation on the independence of Francisco Petros Oliveira Lima Papathanasiadis, pursuant to Article 18, section 5 of the Petrobras Bylaws and CVM Resolution No. 80, dated 03/29/2022.

Deliberation on the independence of Márcio Ellery Girão Barrosos, pursuant to Article 18, section 5 of the Petrobras Bylaws and CVM Resolution No. 80, dated 03/29/2022.

Nomination of candidates for chairman of the board of directors. Bruno Moretti

Proposal for the establishment of 5 (five) members for the Fiscal Council.

Election of the fiscal board by single slate of candidates: Nomination of all the names that compose the slate. - Controlling Shareholder. Mariana de Assis Espécie (Main) / Brenno Leopoldo Cavalcante de Paula (Alternate) Luciano José de Araújo (Main) / Gustavo Cerqueira Ataíde (Alternate) Rafael Rezende Brigolini (Main) / Daniel Cardoso Leal (Alternate)

If one of the candidates of the slate leaves it, to accommodate the separate election referred to in articles 161, paragraph 4, and 240 of Law 6404, of 1976, can the votes corresponding to your shares continue to be conferred to the same slate?

Nomination of candidates to the fiscal council by minority shareholders with voting rights (the shareholder must fill this field if the general election field was left in blank). Ronaldo Dias (Main) / Ricardo José Martins Gimenez (Alternate)

Establishment of the compensation of management, Fiscal Council members, and members of the Statutory Advisory Committees of the Board of Directors.