CSN issues US$1 billion in bonds with maturity in 2020


COMPANHIA SIDERÚRGICA NACIONAL
Publicly-Held Company
Rua São José nº 20, Grupo 1602, parte – Rio de Janeiro/RJ
Corporate Taxpayers’ ID (CNP)J. 33.042.730/0001-04

NOTICE TO THE MARKET

CSN issues US$1 billion in bonds with maturity in 2020

COMPANHIA SIDERÚRGICA NACIONAL (CSN) announced that it priced today the issuance, through its wholly-owned subsidiary, CSN Resources S.A., of bonds totaling US$1 billion at a rate of 6,5% p.a. and maturity in July 2020 according to the U.S. “Rule 144A and Regulation S of the United States of America”. The bonds‘ price was 99.096%, and they will be guaranteed by CSN. Funds raised with the issue will be used to lengthen the group‘s indebtedness profile as well as to general corporate purposes.

The notes were not and will not be registered according to the U.S. Securities Act of 1933 and cannot be offered or sold in the United States of America. Therefore, the bonds will not be registered with the U.S. Securities and Exchange Commission or any other capital-market regulatory agency or body in any other county; and thus, the bonds cannot be offered or sold in the U.S. without an applicable registration exemption. Once the notes will not be offered or placed in Brazil, they will also not be registered with the Brazilian Securities and Exchange Commission (CVM). This notice does not constitute an offer for the sale or bid for any securities.

Rio de Janeiro, July 14, 2010

COMPANHIA SIDERÚRGICA NACIONAL
Paulo Penido Pinto Marques
Investor Relations Officer