CSN’S 2006 Form 20-F Filed at US SEC

CSN’S 2006 Form 20-F Filed at US SEC

São Paulo, Brazil, July 3, 2007. Companhia Siderúrgica Nacional – CSN [Bovespa: CSNA3, NYSE: SID] (the “Company”), Company that combines steel, mining, infrastructure and cement businesses, filed its annual report on Form 20-F for the fiscal year ended December 31, 2006 (the “2006 Form 20-F”) with the U.S. Securities and Exchange Commission (the “SEC”). The 2006 Form 20-F is available on both the SEC´s website at www.sec.gov and the Brazilian Securities and Exchange Commission (Comissão de Valores Mobiliários) website at www.cvm.gov.br, as well as on the Company´s website at www.csn.com.br/ir.

In addition, shareholders may receive a hard copy of the CSN´s complete audited Financial Statements, free of charges by requesting a copy within a reasonable period of time from Alessandra Paschoalini Borges at CSN´s Investor Relations Department, telephone (55 11) 3049-7593 or email: invrel@csn.com.br, or from our Investor Relations website at www.csn.com.br/ir.

Portuguese version of the Form 20-F will be available at www.csn.com.br/ri in August.

Any further information or questions regarding the 2006 Form 20-F may be obtained by contacting CSN´s Investor Relations department (e-mail: invrel@csn.com.br).

Companhia Siderúrgica Nacional

IR Executive Officer