Gerdau S.A.

ANDRÉ BIER JOHANNPETER (45) has worked for the Gerdau Group since 1980. Recently, he became President of the Company, in the position of Chief Executive Officer (“CEO”). He holds a degree in Business Administration from the Pontifical Catholic University of Rio Grande do Sul.

Claudio Gerdau Johannpeter has worked for the Gerdau group since 1982. From 1992 to 2000, he was in charge of Gerdau Piratini Specialty Steels and from 2000 to 2002, he served as the Executive Director of the Gerdau S.A. Industrial Units in Brazil. From 2002 through 2006, he served as an Executive Vice President of Gerdau S.A. and oversaw the group’s Specialty Steel and Acominas operations. He has served as a member of the Board of Directors of Corporación Sidenor in Spain since January 2006 and has served as Chief Operating Officer of Gerdau S.A. since January 2007. He holds a degree in Metallurgy Engineering from the Federal University of Rio Grande do Sul.

ALFREDO HUALLEM (61) has worked for the Gerdau Group since 1975, He was promoted to Executive Officer in 1993 and since December 2007, he also became of the Gerdau Executive Committee responsible for the Business Operation Long Steel Brazil. He graduated in Metallurgical Engineering from the UFF – Universidade Federal Fluminense, Economic Engineering from the Pontifical Catholic University of Rio de Janeiro, and Strategic Marketing from Stanford.

MANOEL VITOR DE MENDONÇA FILHO (51) has worked for the Gerdau Group since 1983 and was promoted to Executive Officer in 2001. Manoel Vitor graduated in Metallurgical Engineering from Federal University of Minas Gerais in 1982, and holds an MBA from the Getúlio Vargas Foundation.

MÁRCIO PINTO RAMOS (47) was elected Executive Officer of Gerdau at the Board of Directors meeting held on April 5, 2005 and is responsible for the Latin American operations of Gerdau. He graduated in Mechanical Engineering from the Federal University of Rio Grande do Sul and holds an MBA from Purdue University, USA. He has also held a position as an executive officer at Effem do Brasil (Mars Inc.) and Telet Claro Digital. Effective from April, 28, 2007 Marcio Ramos became Executive Vice President and member of the Gerdau Executive Committee.

MARIO LONGHI FILHO (53) joined the Company in 2005 as Executive Vice President, member of the Gerdau Executive Committee. Mário graduated in Metallurgical Engineering from Instituto Mauá de Tecnologia, São Paulo. Before joining Gerdau Group, Mário had a successful career at Alcoa, where he became Vice President, heading global operations and member of the Executive Committee.

PAULO FERNANDO BINS DE VASCONCELLOS (63) joined the Company in 1972. In 2002, he was appointed Executive Vice President of the Gerdau Executive Committee. He is now responsible for the Specialty Steel Operations in Brazil and Europe. He holds a degree in Metallurgical Engineering.

Frederico C. Gerdau Johannpeter has worked for the Gerdau group since 1961. Mr. Johannpeter became an executive officer of Gerdau S.A. in 1971 and has been a director of Gerdau S.A. since 1973. He served as Senior Vice President of Gerdau S.A.’s Executive Committee from 2002 through 2006. He holds a degree in Business Administration from the Federal University of Rio Grande do Sul, Brazil and a Masters degree in Business, Finance, Costs and Investments from the University of Cologne, Germany.

EXPEDITO LUZ (56) has worked for Gerdau since 1976 and in 1989 became an Executive Officer of the Legal Department. He was appointed to the Board of Directors in 2001 and under the new corporate governance structure, he is now Secretary-General of the Board of Directors and the Gerdau Executive Committee. Expedito Luz graduated in Law from the Federal University of Rio Grande do Sul in 1975 and obtained a master’s degree in Law from the Columbia Law School in New York in 1980.

GERALDO TOFFANELLO (57) has worked for the Gerdau Group since 1970 and was promoted to Executive Officer in 1988, the same position he holds today. Geraldo Toffanello graduated in Accounting from the FAPCCA – Faculdade Porto Alegrense de Ciências Contábeis e Administração, in 1971.

NESTOR MUNDSTOCK (56) has worked for the Gerdau Group since 1975 and was promoted to Executive Officer in 2001. Nestor Mundstock graduated in Metallurgical Engineering from the Federal University of Rio Grande do Sul, in 1975, and received post graduation degrees in Labor Safety Engineering (1979) and Business Management (2000).