Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.  

NOTICE TO THE MARKET

COMPANHIA SIDERÚRGICA NACIONAL

Publicly-Held Company

Corporate Taxpayer ID (CNPJ): 33.042.730/0001-04

CSN issues US$ 200 million in bonds reopening due in 2020

COMPANHIA SIDERÚRGICA NACIONAL (“CSN”) hereby announces that it has priced, through its wholly-owned subsidiary CSN Resources S.A., an additional bond issuance in the amount of US$200 million, through the reopening of the US$1 billion bonds, at an interest rate of 6.5% p.a., due in July 2020, in accordance with Rule 144A and Regulation S of the United States of America (“Bonds”). The offering price was 106.00% and yield was 5.6% p.a.. The bonds are guaranteed by CSN and the funds raised with the issuance will be used to pay short-term debt, extend the group’s debt profile and for general corporate purposes.

Bonds 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, 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 country; and thus, bonds cannot be offered or sold in the U.S. without an applicable registration exemption. Once the bonds 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.

São Paulo, January 30, 2012

COMPANHIA SIDERÚRGICA NACIONAL

David Moise Salama

Investor Relations Executive Officer

This press release may contain forward-looking statements. These statements are statements that are not historical facts, and are based on management's current view and estimates of future economic circumstances, industry conditions, company performance and financial results. The words "anticipates", "believes", "estimates", "expects", "plans" and similar expressions, as they relate to the company, are intended to identify forward-looking statements. Statements regarding the declaration or payment of dividends, the implementation of principal operating and financing strategies and capital expenditure plans, the direction of future operations and the factors or trends affecting financial condition, liquidity or results of operations are examples of forward-looking statements. Such statements reflect the current views of management and are subject to a number of risks and uncertainties. There is no guarantee that the expected events, trends or results will actually occur. The statements are based on many assumptions and factors, including general economic and market conditions, industry conditions, and operating factors. Any changes in such assumptions or factors could cause actual results to differ materially from current expectations.