Vale chairman resigns, alters July EGM agenda

Vale S.A. reports that Daniel André Stieler has resigned, effective immediately, from his roles as member and Chairman of the Company’s Board of Directors.

Rhea-AI Filing Summary

Vale S.A. reports that Daniel André Stieler has resigned, effective immediately, from his roles as member and Chairman of the Company’s Board of Directors. He had served on the Board since 2021 and as its Chairman since 2023.

Vale’s Board thanks Mr. Stieler for his leadership in strengthening corporate governance, enhancing Board work and strategic decision-making, and supporting the Company’s long-term vision. Due to his resignation, item 1 on the agenda of the Extraordinary General Meeting scheduled for July 22, 2026 has been withdrawn, while the remaining items will still be considered by shareholders.

Insights

Corporate governance analyst

Vale’s Board Chairman resigns immediately; governance processes and meeting agenda are adjusted.

The resignation of Daniel André Stieler as Board member and Chairman is a meaningful governance event for Vale, given his leadership role since 2023 and prior Board service since 2021. The company highlights his contribution to strengthening governance and strategic decision-making.

The filing confirms that only item 1 of the July 22, 2026 Extraordinary General Meeting agenda is cancelled, with all remaining items still up for shareholder decision. Future disclosures in company reports may clarify the new Board leadership structure and any related succession decisions.

Key Figures

Resignation effective date: July 6, 2026 Extraordinary General Meeting date: July 22, 2026 Board tenure start: 2021 +2 more

5 metrics

Resignation effective date July 6, 2026 Date Vale received and made effective Daniel André Stieler’s resignation

Extraordinary General Meeting date July 22, 2026 Date of Vale’s scheduled Extraordinary General Meeting

Board tenure start 2021 Year Daniel André Stieler joined Vale’s Board of Directors

Chairman tenure start 2023 Year Daniel André Stieler became Chairman of Vale’s Board

EGM agenda impact Item 1 cancelled Only item 1 of July 22, 2026 EGM agenda rendered without effect

Key Terms

Extraordinary General Meeting, corporate governance, Forward-Looking Statements, Risk Factors, +1 more

5 terms

Extraordinary General Meeting financial

"As a result of this event, item 1 of the agenda of the Extraordinary General Meeting called for July 22, 2026 is rendered without effect."

corporate governance financial

"his work was essential to strengthening corporate governance, continuously enhancing the Board’s work and strategic decision-making"

Corporate governance is the system of rules, roles and oversight that determines how a company is directed and controlled, including the responsibilities of its board, executives and shareholders. Like the steering wheel and map for a car trip, it shapes decisions, sets checks on power and defines who can hold leaders accountable; strong governance reduces risk, builds trust and helps investors judge whether a company is likely to protect capital and deliver reliable returns.

Forward-Looking Statements regulatory

"the factors discussed under “Forward-Looking Statements” and “Risk Factors” in Vale’s annual report on Form 20-F."

Forward-looking statements are predictions or plans that companies share about what they expect to happen in the future, like estimating sales or profits. They matter because they help investors understand a company's outlook, but since they are based on guesses and assumptions, they can sometimes be wrong.

Risk Factors regulatory

"and in particular the factors discussed under “Forward-Looking Statements” and “Risk Factors” in Vale’s annual report on Form 20-F."

Risk factors are elements or conditions that could cause an investment's value to decrease or lead to potential losses. They are like warning signs or obstacles that can affect the success of an investment, making it uncertain or more unpredictable. Recognizing risk factors helps investors understand the possible challenges and make more informed decisions.

Form 20-F regulatory

"please consult the reports Vale files with the U.S. Securities and Exchange Commission (SEC)... in Vale’s annual report on Form 20-F."

Form 20-F is the standardized annual disclosure that non-U.S. companies must file with the U.S. securities regulator when their shares are traded in the U.S.; it contains audited financial statements, a plain-language description of the business, management discussion, governance details and key risk factors. It matters to investors because it provides a consistent, comparable company “report card” and rulebook, helping buyers assess financial health, governance and risks before investing.

FAQ

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

What leadership change at Vale (VALE) is described in this 6-K filing?

Vale announces that Daniel André Stieler resigned, effective immediately, as both a member and Chairman of its Board of Directors. The company notes he had served on the Board since 2021 and as Chairman since 2023, and expresses gratitude for his leadership and contributions.

When did Vale (VALE) receive Daniel André Stieler’s resignation as Board Chairman?

Vale received Daniel André Stieler’s resignation letter on July 6, 2026, with immediate effect. The announcement specifies the resignation applies to both his role as Board member and as Chairman, prompting changes to the agenda of an upcoming Extraordinary General Meeting later in July 2026.

How does the chairman’s resignation affect Vale’s July 22, 2026 Extraordinary General Meeting?

As a result of the chairman’s resignation, item 1 on the agenda of Vale’s Extraordinary General Meeting scheduled for July 22, 2026 is rendered without effect. The company states that all remaining agenda items are unchanged and will still be deliberated by shareholders at the meeting.

What contributions of Daniel André Stieler does Vale highlight in this announcement?

Vale highlights that Daniel André Stieler’s work was essential to strengthening corporate governance and improving the Board’s activities and strategic decisions. The company credits him with supporting sustainable value generation, institutional strengthening, and consolidation of Vale’s long-term vision during his tenure on the Board and as Chairman.

Who signed Vale’s announcement of the Board Chairman’s resignation?

The announcement is signed by Marcelo Feriozzi Bacci, Vale’s Executive Vice President, Finance and Investor Relations. It is also accompanied by signature information for Director of Investor Relations Thiago Lofiego, confirming the report was duly authorized and submitted on the company’s behalf on July 6, 2026.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 07/06/2026 - 06:16 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

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 announces the resignation of the Chairman of the Board of Directors Rio de Janeiro, July 6, 2026 – Vale S.A. (“Vale” or the “Company”) informs that it received, on this date, a letter from Mr. Daniel André Stieler communicating his resignation from the positions of member and Chairman of the Company’s Board of Directors, effective immediately. Vale’s Board of Directors expresses its gratitude to Mr. Stieler for his leadership, dedication and contributions to the Company during his tenure as a Board member since 2021 and, in particular, as its Chairman since 2023. Throughout this period, his work was essential to strengthening corporate governance, continuously enhancing the Board’s work and strategic decision-making that contributed to the sustainable value generation, institutional strengthening and consolidation of Vale’s long-term vision. As a result of this event, item 1 of the agenda of the Extraordinary General Meeting called for July 22, 2026 is rendered without effect. The remaining items remain unchanged for deliberation by the shareholders. 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: July 6, 2026		Director of Investor Relations