Marcio Chiumento joins Vale (VALE) board, ratification slated for April 2026

Rhea-AI Filing Summary

Vale S.A. reported that its Board of Directors has appointed Marcio Antonio Chiumento to fill a vacant seat on the board. He brings more than two decades of experience in finance, investments, corporate governance and strategic management at large Brazilian institutions.

Chiumento is currently CEO of Previ, Brazil’s largest private pension fund entity, and previously held several senior roles at Banco do Brasil and Previ. Vale’s Board plans to submit ratification of his appointment to the Shareholders’ General Meeting, with meetings expected on March 12, 2026 and April 30, 2026.

United States

Securities and Exchange Commission

Washington, D.C. 20549

FORM 6-K/A

Report of Foreign Private Issuer

Pursuant to Rule 13a-16 or 15d-16

of the

Securities Exchange Act of 1934

For the month of

February 2026

Vale S.A.

Praia de Botafogo nº 186, 18º andar, Botafogo
22250-145 Rio de Janeiro, RJ, Brazil

(Address of principal executive office)

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

(Check One) Form 20-F x Form 40-F ¨

   Vale informs the appointment of a member of its Board of Directors Rio de Janeiro, February 26, 2026 – Vale S.A. (“Vale” or the “Company”) announces that its Board of Directors has appointed Mr. Marcio Antonio Chiumento to fill a vacant position as a member of the Company’s Board of Directors, in compliance with the provisions of Vale’s Bylaws, the Company’s Directors Policy, and applicable legislation. ▪ Mr. Marcio Antonio Chiumento is an executive with a well-established track record in the financial industry, over two decades of experience at large institutions, and a strong background in investments, finance, corporate governance and strategic management. He currently serves as CEO of Previ, where he is responsible for the institutional and strategic leadership of the largest private pension fund entity in Brazil, with a focus on financial solidity and long-term sustainability. Throughout his career at Banco do Brasil, he held relevant executive positions, including Head of Strategic Business Unit, General Ombudsman, Executive Manager and Administration Manager at State Superintendence. He also served as Director of Equity Investments at Previ, with responsibility for investment management, capital allocation and participation on boards of directors. He holds a master’s degree in Management and Innovation from UPPR, an MBA in Finance from the Federal University of Rio Grande do Sul, and a Law degree from UPPR. The Board of Directors will submit the proposal to ratify the appointment for deliberation by the Shareholders’ General Meeting, which is expected to be convened and held on March 12, 2026, and April 30, 2026, respectively. Marcelo Feriozzi Bacci Executive Vice President, Finance and Investor Relations For further information, please contact: Vale.RI@vale.com Thiago Lofiego: thiago.lofiego@vale.com Luciana Oliveti: luciana.oliveti@vale.com Pedro Terra: pedro.terra@vale.com Patricia Tinoco: patricia.tinoco@vale.com This press release may include statements that present Vale’s expectations about future events or results. All statements, when based upon expectations about the future, involve various risks and uncertainties. Vale cannot guarantee that such statements will prove correct. These risks and uncertainties include factors related to the following: (a) the countries where we operate, especially Brazil and Canada; (b) the global economy; (c) the capital markets; (d) the mining and metals prices and their dependence on global industrial production, which is cyclical by nature; and (e) global competition in the markets in which Vale operates. To obtain further information on factors that may lead to results different from those forecast by Vale, please consult the reports Vale files with the U.S. Securities and Exchange Commission (SEC), the Brazilian Comissão de Valores Mobiliários (CVM) and in particular the factors discussed under “Forward-Looking Statements” and “Risk Factors” in Vale’s annual report on Form 20-F. Press Release

 

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.

	Vale S.A. (Registrant)
	By:	/s/ Thiago Lofiego
Date: February 27, 2026		Director of Investor Relations

FAQ

What board change did Vale (VALE) announce in this 6-K/A filing?

Vale announced the appointment of Marcio Antonio Chiumento to a vacant seat on its Board of Directors. The move follows the company’s bylaws and director policies and adds a financially focused executive to the board with experience in investments and corporate governance.

Who is Marcio Antonio Chiumento, newly appointed to Vale’s (VALE) board?

Marcio Antonio Chiumento is an experienced Brazilian executive with over two decades in the financial sector. He is CEO of Previ, Brazil’s largest private pension fund entity, and previously held senior roles at Banco do Brasil and as Director of Equity Investments at Previ.

What are the next steps to ratify Marcio Chiumento’s appointment at Vale (VALE)?

Vale’s Board plans to submit Marcio Chiumento’s appointment for ratification at the Shareholders’ General Meeting. The company expects this meeting to be convened on March 12, 2026 and held on April 30, 2026, following applicable corporate governance procedures and legislation.

What is Chiumento’s current role outside Vale (VALE)?

Chiumento currently serves as CEO of Previ, the largest private pension fund entity in Brazil. He is responsible for institutional and strategic leadership, emphasizing financial solidity and long-term sustainability, and brings this pension and investment background to Vale’s Board of Directors.

What qualifications does Marcio Chiumento bring to Vale’s (VALE) board?

Chiumento offers a strong background in investments, finance, corporate governance and strategic management. His education includes a master’s degree in Management and Innovation, an MBA in Finance, and a Law degree, complementing extensive executive experience at Banco do Brasil and Previ.