Companhia Siderúrgica Nacional Provides Operating Guidance Until Year End of 2022

Companhia Siderúrgica Nacional S.A. is one of the South American largest iron and steel groups. The group also develops cement and electricity production activity. Net sales (including intragroup) break down by activity as follows: - sale of steel products (52.8%): hot and cold rolled steel coils, coated sheet metal, merchant long steel, etc. primarily for the automotive, household appliances, packaging and construction; - operation of mines (5.9%); - logistics services (5.9%); - cement production (2.2%); - electricity production (1.2%). Exports account for 50.8% of net sales.