National Steel Co (SID) Directors and Executive Officers

Officers & Directors

The Board of Directors includes Benjamin Steinbruch, age 72, who has served since April 23, 1993. He was chairman from April 1995 to April 2023 and has been Chief Executive Officer since April 30, 2002. Steinbruch oversees institutional affairs and mining and railway interests, chairs the boards of CSN Mineração and several subsidiaries including Grupo Tora companies, as well as Textília S.A., Fibra Cia. Securitizadora de Créditos Imobiliários, Banco Fibra S.A., Elizabeth S.A. – Indústria Têxtil, and Vicunha Steel S.A. He is vice chairman of Vicunha Aços S.A. He holds a degree in business administration and a postgraduate degree in marketing and finance from Fundação Getúlio Vargas – SP. Antonio Bernardo Vieira Maia, age 66, has been a member since April 30, 2013. He is an independent member and has served on the audit committee since August 8, 2013, chairing it from May 6, 2014 to October 30, 2017. He was on the financial committee from October 7, 2014 to December 31, 2016, and has been CEO of BRG Capital Ltda. since July 2005. The Board of Executive Officers comprises Benjamin Steinbruch, Chief Executive Officer, age 72, serving since April 30, 2002; Antonio Marco Campos Rabello, Chief Financial and Investor Relations Officer, age 52, appointed March 18, 2024; Luis Fernando Barbosa Martinez, Commercial Executive Officer, age 62, appointed August 2, 2011; David Moise Salama, Insurance and Credit Executive Officer, age 59, appointed August 2, 2011; Rogério Bautista da Nova Moreira, Executive Legal Officer, age 49, appointed March 18, 2024; Enéas Garcia Diniz, Executive Officer, age 65, appointed August 2, 2011, with a break from July 31, 2016 to August 13, 2024; Pedro Van Langendonck Teixeira de Freitas, Executive Officer, age 50, appointed June 3, 2025; Tufi Daher Filho, Infrastructure & Logistics Executive Officer, age 65, served from October 4, 2012 to July 3, 2013, and was reappointed December 9, 2025; and Augusto César Ferreira Lara, Steelmaking Production Executive Officer, age 48, appointed December 9, 2025.