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
September 2010
Vale S.A.
Avenida Graça Aranha, No. 26
20030-900 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 þ 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 þ
(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 þ
(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 þ
(If Yes is marked, indicate below the file number assigned to the registrant in connection with
Rule 12g3-2(b). 82- .)
TABLE OF CONTENTS
Vale announces share buy-back program
Rio de Janeiro, September 23, 2010 Vale SA (Vale) announces that its Board of Directors have
approved today a proposal from Vales Executive Board to establish a share buy-back program. The
shares are to be held in treasury for subsequent sale or cancellation, amounting up to US$ 2
billion and involving up to 64,810,513 common shares and up to 98,367,748 preferred shares, which
correspond to 5% of the free floating shares of each class as of August 31, 2010. The share
buy-back program will be executed over the next 180 days, from that date, closing, therefore, on
March 22, 2011.
The program is in accordance with capital markets laws and regulations of Brazil, the United States
and France, and the buy-back will be performed through the following financial institutions:
a) Bradesco S.A. CTVM Avenida Paulista, 1450 7° andar, São Paulo/SP
b) Itaú CV S.A. Avenida Brigadeiro Faria Lima, 3400 10° andar,- São Paulo/SP
c) Ágora CTVM S.A. Praia de Botafogo, 300 6° andar, Rio de Janeiro/RJ
d) Fator S.A. CV Rua Doutor Renato Paes de Barros, 1017 11° e 12° andares, São Paulo/SP
e) Credit Suisse Hedging-Griffo CV S.A. Avenida Presidente Juscelino Kubitschek, 1830 6° e 7° andares Torre IV, São Paulo/SP
f) Magliano S.A. CCVM Rua Bela Cintra, 986 2° andar, São Paulo/SP, CEP: 01415-000
g) Credit Suisse Brasil S.A. CTVM Avenida Brigadeiro Faria Lima 3064, 13º andar, São Paulo/SP
h) Santander CCVM S.A. Avenida Presidente Juscelino Kubitschek, 2041, 2235 24º andar, São Paulo/SP
i) J.P. Morgan CCVM S.A. Avenida Brigadeiro Faria Lima 3729, 13º andar, São Paulo/SP
The main purpose of the share buy-back program is to employ Vales excess cash in order to optimize
asset allocation and to maximize shareholder value.
For further information, please contact:
+55-21-3814-4540
Roberto Castello Branco: roberto.castello.branco@vale.com
Viktor Moszkowicz: viktor.moszkowicz@vale.com
Carla Albano Miller: carla.albano@vale.com
Andrea Gutman: andrea.gutman@vale.com
Fernando Frey: fernando.frey@vale.com
Marcio Loures Penna: marcio.penna@vale.com
Samantha Pons: samantha.pons@vale.com
Thomaz Freire: thomaz.freire@vale.com
This press release may contain statements that express managements expectations about future
events or results rather than historical facts. These forward-looking statements involve risks and
uncertainties that could cause actual results to differ materially from those projected in
forward-looking statements, and Vale cannot give assurance that such statements will prove correct.
These risks and uncertainties include factors: relating to the Brazilian and Canadian economy and
securities markets, which exhibit volatility and can be adversely affected by developments in other
countries; relating to the iron ore and nickel business and its dependence on the global steel
industry, which is cyclical in nature; and relating to the highly competitive industries in which
Vale operates. For additional information on factors that could cause Vales
actual results to differ from expectations reflected in forward-looking statements, please see
Vales reports filed with the Brazilian Comissão de Valores Mobiliários and the U.S. Securities and
Exchange Commission.