Exhibit 1

List of Executive Officers and Directors of BNDESPAR

The following information is provided for each of the directors and executive officers of BNDESPAR as of the date of the event which requires the filing of this statement, August 14, 2017:

· name,

· residence or business address,

· present principal occupation or employment and the name, principal business and address of any corporation or other organization in which such employment is conducted, and

All of the following persons are citizens of the Federative Republic of Brazil.

Directors as of August 14, 2017

Name	Residence or Business address	Present principal occupation or employment and name, principal business and address of any corporation or other organization in which such employment is conducted
Fernando Antônio Ribeiro Soares	Av. República do Chile, 100 - Centro, Rio de Janeiro, R.J. - CEP: 20.031-917	Director
Antônio Carlos de Paiva Futuro	Same as above	Director
Hailton Madureira de Almeida	Same as above	Director
George Alberto de Aguiar Soares	Same as above	Director
Cleiton dos Santos Araújo	Same as above	Director

Executive Officers as of August 14, 2017

Name	Residence or Business address	Present principal occupation or employment and name, principal business and address of any corporation or other organization in which such employment is conducted
Ricardo Luiz de Souza Ramos	Av. República do Chile, 100 - Centro, Rio de Janeiro, R.J. - CEP: 20.031-917	Executive Officer
Claudia Pimentel Trindade Prates	Same as above	Executive Officer
Eliane Aleixo Lustosa de Andrade	Same as above	Executive Officer
Marilene de Oliveira Ramos Múrias dos Santos	Same as above	Executive Officer
Marcelo de Siqueira Freitas	Same as above	Executive Officer
Paulo Rabello de Castro	Same as above	President

Executive Officers as of August 14, 2017

Name

Residence or Business

address

Present principal occupation or

employment and name, principal

business and address of any

corporation or other organization in

which such employment is conducted

Carlos Alexandre Jorge da Costa

Same as above

Executive Officer

Carlos Thadeu de Freitas Gomes

Same as above

Executive Officer

List of Executive Officers and Directors of BNDES

The following information is provided for each of the directors and executive officers of BNDESPAR as of the date of the event which requires the filing of this statement, August 14, 2017:

· name,

· residence or business address,

· present principal occupation or employment and the name, principal business and address of any corporation or other organization in which such employment is conducted, and

All of the following persons are citizens of the Federative Republic of Brazil.

Directors as of August 14, 2017

Name	Residence or Business address	Present principal occupation or employment and name, principal business and address of any corporation or other organization in which such employment is conducted
Fernando Antônio Ribeiro Soares	Av. República do Chile, 100 - Centro, Rio de Janeiro, R.J. - CEP: 20.031-917	Director
Antônio Carlos de Paiva Futuro	Same as above	Director
Hailton Madureira de Almeida	Same as above	Director
George Alberto de Aguiar Soares	Same as above	Director
Cleiton dos Santos Araújo	Same as above	Director

Executive Officers as of August 14, 2017

Name	Residence or Business address	Present principal occupation or employment and name, principal business and address of any corporation or other organization in which such employment is conducted
Ricardo Luiz de Souza Ramos	Av. República do Chile, 100 - Centro, Rio de Janeiro, R.J. - CEP: 20.031-917	Executive Officer
Claudia Pimentel Trindade Prates	Same as above	Executive Officer
Eliane Aleixo Lustosa de Andrade	Same as above	Executive Officer
Marilene de Oliveira Ramos Múrias dos Santos	Same as above	Executive Officer
Marcelo de Siqueira Freitas	Same as above	Executive Officer
Paulo Rabello de Castro	Same as above	President
Carlos Alexandre Jorge da Costa	Same as above	Executive Officer

Executive Officers as of August 14, 2017

Name

Residence or Business

address

Present principal occupation or

employment and name, principal

business and address of any

corporation or other organization in

which such employment is

conducted

Carlos Thadeu de Freitas Gomes

Same as above

Executive Officer

List of Executive Officers and Directors of Bradespar

The following information is provided for each of the directors and executive officers of Bradespar as of the date of the event which requires the filing of this statement, August 14, 2017:

· name,

· residence or business address,

· present principal occupation or employment and the name, principal business and address of any corporation or other organization in which such employment is conducted, and

All of the following persons are citizens of the Federative Republic of Brazil.

Directors as of August 14, 2017

Name	Residence or Business address	Present principal occupation or employment and name, principal business and address of any corporation or other organization in which such employment is conducted
Lázaro de Mello Brandão	Núcleo Cidade de Deus, Vila Yara, Osasco, SP, CEP 06029-900	Chairman
Luiz Carlos Trabuco Cappi	Núcleo Cidade de Deus, Vila Yara, Osasco, SP, CEP 06029-900	Vice Chairman
Denise Aguiar Alvarez	Núcleo Cidade de Deus, Vila Yara, Osasco, SP, CEP 06029-900	Board Member
João Aguiar Alvarez	Núcleo Cidade de Deus, Vila Yara, Osasco, SP, CEP 06029-900	Board Member
Carlos Alberto Rodrigues Guilherme	Núcleo Cidade de Deus, Vila Yara, Osasco, SP, CEP 06029-900	Board Member
Milton Matsumoto	Núcleo Cidade de Deus, Vila Yara, Osasco, SP, CEP 06029-900	Board Member
José Alcides Munhoz	Núcleo Cidade de Deus, Vila Yara, Osasco, SP, CEP 06029-900	Board Member
Aurélio Conrado Boni	Núcleo Cidade de Deus, Vila Yara, Osasco, SP, CEP 06029-900	Board Member
André Leal Faoro	Rua Araújo Porto Alegre, 36, sala 1.102, Rio de Janeiro, RJ, CEP 20030-013	Board Member

Executive Officers as of August 14, 2017

Name

Residence or Business address

Present principal occupation or

employment and name, principal business

and address of any corporation or other

organization in which such employment is

conducted

Fernando Jorge Buso Gomes

Avenida Paulista, 1450, 9º andar,
01310-917 São Paulo, SP Brazil

Chief Executive Officer

Johan Albino Ribeiro

Avenida Paulista, 1450, 9º andar,
01310-917 São Paulo, SP Brazil

Executive Officer

List of Executive Officers and Directors of Litel

The following information is provided for each of the directors and executive officers of Litel as of the date of the event which requires the filing of this statement, August 14, 2017:

· name,

· residence or business address,

· present principal occupation or employment and the name, principal business and address of any corporation or other organization in which such employment is conducted, and

All of the following persons are citizens of the Federative Republic of Brazil.

Directors as of August 14, 2017

Name	Residence or Business address	Present principal occupation or employment and name, principal business and address of any corporation or other organization in which such employment is conducted
Arthur Prado Silva	Praia de Botafogo, nº 501, 4º andar, Rio de Janeiro — RJ — CEP 22250-040	Chairman of Litel; Executive Manager of PREVI - Caixa de Previdência dos Funcionários do Branco do Brasil (“Previ”)
Gilmar Dalilo Cezar Wanderley	Praia de Botafogo, nº 501, 4º andar, Rio de Janeiro — RJ — CEP 22250-040	Board Member of Litel; Manager of Securities Interests of Previ
João Ernesto Lima Mesquita	Praia de Botafogo, nº 501, 4º andar, Rio de Janeiro — RJ — CEP 22250-040	Board Member of Litel; Manager of Securities Interests of Previ
Carlos Antônio Vieira Fernandes	SCN, Quadra 02, Bloco A, 12º andar, Brasília — DF — CEP 70712-900	Board Member of Litel; CEO - Chief Executive Officer of Funcef - Fundação dos Economiários Federais

Executive Officers as of August 14, 2017

Name	Residence or Business address	Present principal occupation or employment and name, principal business and address of any corporation or other organization in which such employment is conducted
Gueitiro Matsuo Genso	Praia de Botafogo, nº 501, 4º andar, Rio de Janeiro — RJ — CEP 22250-040	CEO - Chief Executive Officer of Litel; President of Previ
Gilmar Dalilo Cezar Wanderley	Praia de Botafogo, nº 501, 4º andar, Rio de Janeiro — RJ — CEP 22250-040	CFO - Chief Financial Officer of Litel; Manager of Securities Interests of Previ
Renato Proença Lopes	Praia de Botafogo, nº 501, 4º andar, Rio de Janeiro — RJ — CEP 22250-040	Administrative Officer of Litel; Director of Participations at Previ

Executive Officers as of August 14, 2017

Name

Residence or Business address

Present principal occupation or

employment and name, principal business

and address of any corporation or other

organization in which such employment is

conducted

Marcel Juviniano Barros

Praia de Botafogo, nº 501, 4º andar, Rio de Janeiro — RJ — CEP 22250-040

Executive Officer of Litel; Officer of Securities at Previ

List of Executive Officers and Directors of Mitsui

The following information is provided for each of the directors and executive officers of Mitsui as of the date of the event which requires the filing of this statement, August 14, 2017:

· name,

· residence or business address,

· present principal occupation or employment and the name, principal business and address of any corporation or other organization in which such employment is conducted, and

All of the following persons, except Mr. Samuel Walsh and Ms. Jenifer Rogers are citizens of Japan. Mr. Samuel Walsh is a citizen of Australia and Ms. Jenifer Rogers is a citizen of United States of America.

Directors as of August 14, 2017

Name	Residence or Business address	Present principal occupation or employment and name, principal business and address of any corporation or other organization in which such employment is conducted
Masami Iijima	1-3, Marunouchi 1-chome, Chiyoda-ku, Tokyo, Japan	Representative Director, Chairman of the Board of Directors
Tatsuo Yasunaga	Same as above	Representative Director, President and Chief Executive Officer
Hiroyuki Kato	Same as above	Representative Director, Executive Vice President
Yoshihiro Hombo	Same as above	Representative Director, Executive Vice President
Makoto Suzuki	Same as above	Representative Director, Executive Vice President
Satoshi Tanaka	Same as above	Representative Director, Executive Vice President
Keigo Matsubara	Same as above	Representative Director, Senior Executive Managing Officer
Shinsuke Fujii	Same as above	Representative Director, Senior Executive Managing Officer
Nobuaki Kitamori	Same as above	Representative Director, Executive Managing Officer
Toshiro Muto	Same as above	Director
Izumi Kobayashi	Same as above	Director
Jenifer Rogers	Same as above	Director
Hirotaka Takeuchi	Same as above	Director
Samuel Walsh	Same as above	Director

Executive Officers as of August 14, 2017

Name	Residence or Business address	Present principal occupation or employment and name, principal business and address of any corporation or other organization in which such employment is conducted
Tatsuo Yasunaga	Same as above	President and Chief Executive Officer; Chairman, Internal Controls Committee; Head of Crisis Management Headquarters
Hiroyuki Kato	Same as above	Executive Vice President; Iron & Steel Products Business Unit; Mineral & Metal Resources Business Unit; Energy Business Unit I; Energy Business Unit II
Yoshihiro Hombo	Same as above	Executive Vice President; Basic Materials Business Unit; Performance Materials Business Unit; Nutrition & Agriculture Business Unit; Food Business Unit; Food & Retail Management Business Unit
Makoto Suzuki	Same as above	Executive Vice President; Chief Compliance Officer; Corporate Staff Unit (Secretariat, Audit & Supervisory Board Member Division, Human Resources & General Affairs Division, Legal Division, Corporate Logistics Division, New Head Office Building Development Department); Business Continuity Management; New Headquarter Project; Chairman, Compliance Committee; Chairman, Diversity Promotion Committee; Head of Emergency Management Headquarter
Satoshi Tanaka	Same as above	Executive Vice President; Chief Administrative Officer; Chief Information Officer; Chief Privacy Officer; Corporate Staff Unit (Corporate Planning & Strategy Division, Investment Administrative Division, Information Technology Promotion Division, Regional Business Promotion Division, Corporate Communications Division, Environmental Social Contribution Division, Business Supporting Unit (Each Planning & Administrative Division)), Domestic Offices and Branches; HQ Overseen Region; Business Innovation & Incubation; Environmental Matters; Chairman, Information Strategy Committee; Chairman, Sustainability Committee; Chairman, Business Innovation Committee
Atsushi Kume	Same as above	Senior Executive Managing Officer; Chief Operating Officer of EMEA (Europe, the Middle East and Africa) Business Unit

Executive Officers as of August 14, 2017

Name	Residence or Business address	Present principal occupation or employment and name, principal business and address of any corporation or other organization in which such employment is conducted
Takeshi Kanamori	Same as above	Senior Executive Managing Officer; Chief Representative of Mitsui & Co., Ltd. in China; Chairman & Managing Director of Mitsui & Co., Ltd. In China
Yasushi Takahashi	Same as above	Senior Executive Managing Officer; Chief Operating Officer, Americas Business Unit
Keigo Matsubara	Same as above	Senior Executive Managing Officer; Chief Financial Officer; Corporate Staff Unit (CFO Planning & Administrative Division, Global Controller Division, Finance Division, Risk Management Division, Investor Relations Division, Business Supporting Unit (Financial Management & Advisory Division I, II, III, IV)); Chairman, Disclosure Committee; Chairman, J-SOX Committee
Shinsuke Fujii	Same as above	Senior Executive Managing Officer; Healthcare & Service Business Unit; Consumer Business Unit; Corporate Development Business Unit; Chairman, Portfolio Management Committee
Taku Morimoto	Same as above	Senior Executive Managing Officer; Chief Operating Officer of Asia Pacific Business Unit
Yasuyuki Fujitani	Same as above	Executive Managing Officer; Chief Operating Officer of Corporate Development Business Unit
Nobuaki Kitamori	Same as above	Executive Managing Officer; Chief Digital Officer, Infrastructure Projects Business Unit; Integrated Transportation Systems Business Unit I; Integrated Transportation Systems Business Unit II; IT & Communication Business Unit; Digital Transformation
Motoo Ono	Same as above	Executive Managing Officer; General Manager of Human Resources & General Affairs Division
Yukio Takebe	Same as above	Executive Managing Officer; Chairman & Managing Director of Mitsui & Co. (Australia) Ltd.
Shinsuke Kitagawa	Same as above	Executive Managing Officer; General Manager of Osaka Office
Noboru Katsu	Same as above	Executive Managing Officer; Chief Operating Officer of Iron & Steel Products Business Unit
Takakazu Uchida	Same as above	Executive Managing Officer; General Manager of Finance Division

Executive Officers as of August 14, 2017

Name	Residence or Business address	Present principal occupation or employment and name, principal business and address of any corporation or other organization in which such employment is conducted
Hiromichi Yagi	Same as above	Executive Managing Officer; Chief Representative of Mitsui & Co., Ltd. in South West Asia; Managing Director of Mitsui & Co. India Pvt. Ltd.
Shinichiro Omachi	Same as above	Executive Managing Officer; Chief Operating Officer of Mineral & Metal Resources Business Unit
Hiroyuki Tsurugi	Same as above	Executive Managing Officer; Chief Operating Officer of Energy Business Unit I
Hirotatsu Fujiwara	Same as above	Executive Managing Officer; Chief Operating Officer of Energy Business Unit II
Kenichi Hori	Same as above	Executive Managing Officer; Chief Operating Officer of Nutrition & Agriculture Business Unit