Material Fact – New Guidance

Material Fact

São Paulo, February 22, 2021  Companhia Siderúrgica Nacional (“CSN” or “Company”) hereby announces to its shareholders and the market in general projections adjustments, as follow:

(i) CSN expects to reach approximately 1.0x of Net Debt/ Adjusted EBITDA and R$15 billion of Net Debt at the end of fiscal year 2021.

These projections will be included, as applicable, in section 11 of the Company’s Reference Form and will be available on the website of the CVM ( and the Company ( within the legal term.

CSN points out that the information disclosed in this document represents an estimate and involves market factors beyond CSN’s control. Therefore, it does not constitute a promise of performance by the Company and/or its Management and may be subject to change.

To access the full document, click here.

For further information, please contact:

Investor Relations
Marcelo Cunha Ribeiro
Investor Relations Executive Officer

Phone: (11) 3049-7585

About CSN
CSN is a highly integrated company, with steel, mining, cement, logistics and energy businesses. The Company operates throughout the entire steel production chain, from the mining of iron ore to the production and sale of a diversified range of high value-added steel products. Thanks to its integrated production system and exemplary management, CSN’s production costs are among the lowest in the global steel sector.