VALE Vale SA

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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

August 2017

Vale S.A.

Avenida das Américas, No. 700 – Bloco 8, Sala 218
22640-100 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.)

(Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1))

(Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7))

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

(If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b). 82-   .)

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Vale informs on Extraordinary General Meeting

Rio de Janeiro, August 24 th , 2017 — Vale S.A. (“Vale” or “Company”) announces that it intends to call an Extraordinary General Meeting to be held on October 18th, 2017, at Avenida das Américas number 700, 2 nd  floor, room 218 (auditorium), Citta America, Barra da Tijuca, Rio de Janeiro, in order to deliberate among other matters, on the election of two board members of the Board of Directors to fill vacant positions.

Note that, the requests for inclusion of the candidates’ names on Vale’s Board of Directors in the Absentee Ballot must be received until September 13th, 2017, respecting the percentages in accordance with the addendum 21 L-1 of CVM Instruction 481. Such requests must be sent in writing along with the information and documents demanded by the CVM Instruction 481 (art. 21-M) consistent with the guidelines contained in Vale’s Reference Form item 12.2.

For further information, please contact:

+55-21-3485-3900

André Figueiredo: andre.figueiredo@vale.com

André Werner: andre.werner@vale.com

Carla Albano Miller: carla.albano @vale.com

Fernando Mascarenhas: Fernando.mascarenhas@vale.com

Andrea Gutman: andrea.gutman@vale.com

Bruno Siqueira: bruno.siqueira@vale.com

Claudia Rodrigues: claudia.rodrigues@vale.com

Denise Caruncho: denise.caruncho@vale.com

Mariano Szachtman: mariano.szachtman@vale.com

Renata Capanema: renata.capanema@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 and not on historical facts, 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), the French Autorité des Marchés Financiers (AMF), and The Stock Exchange of Hong Kong Limited, and in particular the factors discussed under “Forward-Looking Statements” and “Risk Factors” in Vale’s annual report on Form 20-F.

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