Vale S A clarifies press release about EFC

Press Release

Rio de Janeiro, March 4, 2026 - Vale S.A. ("Vale" or the "Company") informs that it has been informed of, through a press release issued by the Federal Prosecutor's Office ("MPF"), of a lawsuit filed by that entity against Vale, in which the MPF requests that the Judiciary order the suspension of operations along a 16-km stretch of the second railway line of the Carajás Railroad (EFC), located in Bom Jesus do Tocantins, Pará State. The Company clarifies that it has already submitted an initial statement in the court records and will present its defense in due course. Vale further emphasizes that, based on currently available information, the matter does not represent, at this moment, a relevant operational impact. The Company reiterates its commitment to transparency and cooperation with the authorities and will keep the market informed of any material developments related to this matter.

Marcelo Feriozzi Bacci

Executive Vice President, Finance and Investor Relations

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.