Board of Directors

Guilherme Chagas Gerdau Johannpeter	Chairman
André Bier Gerdau Johannpeter	Vice President
Cláudio Johannpeter	Vice President
Gustavo Werneck da Cunha	Member
Augusto Braúna Pinheiro	Independent Member
Claudia Sender Ramirez	Independent Member

Audit Committee

Bolívar Charneski	Effectives
Tarcísio Beuren	Effectives
Aramis Sá de Andrade	Effectives
João Odair Brunozi	Substitutes
Herculano Aníbal Alves	Substitutes
Maelcio Mauricio Soares	Substitutes

Executive Officers

Gustavo Werneck da Cunha	CEO
Rafael Dorneles Japur	Vice President
Cesar Obino da Rosa Peres	Director
Fábio Eduardo de Pieri Spina	Director
Fladimir Batista Lopes Gauto	Director
Hermenio Pinto Gonçalves	Director
Marcos Eduardo Faraco Wahrhaftig	Director
Mauro de Paula	Director
Wendel Gomes da Silva	Director

The information about the responsibilities of the boards and committees of Gerdau S.A., as well as the resumes of its components are available in the Form 20-F.