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

July 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.)

(Check One) Form 20-F   x  Form 40-F  o

(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))

(Check One) Yes   o  No   x

(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))

(Check One) Yes   o  No   x

(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.)

(Check One) Yes   o  No   x

(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 the suspension of the Public Civil Claim filed by the Federal Prosecutors

Rio de Janeiro, July 18, 2017 —  As per our press release of  30 June 2017, Samarco Mineração S.A. (“Samarco”) and its shareholders, Vale S.A. (Vale) and BHP Billiton Brasil Ltda. (“BHPB”) entered into a Preliminary Agreement with the Public Prosecutors in order to determine the process and timeline for negotiation of a final settlement of especially the Public Civil Claims filed by the Federal Government, States of MG and ES and other governmental authorities and by the Federal Public Prosecutors relating to the Samarco´s Fundão dam failure and, on 30 June 2018, the 12ª Vara Federal Cível/Agrária de Minas Gerais (Federal Court of Minas Gerais) extended the final date for negotiation of a final settlement until 30 October 2017, allowing for continuation of the interim security arrangements and the provision of ongoing expert advice to the Public Prosecutors in respect of the Programs being implemented by  Fundação Renova. In addition to the previous decision mentioned before, on 17 July 2017, the judge decided to suspend for an indefinite period of time the Public Civil Claim filed by the Federal Prosecutors. The prior decision in connection with the negotiation of the final agreement is still valid and negotiations of the final agreement continues.

For further information, please contact:

+55-21-3485-3900

Andre Figueiredo: andre.figueiredo@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, 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 the French Autorité des Marchés Financiers (AMF), 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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