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.  

COMPANHIA SIDERÚRGICA NACIONAL

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

Publicly-Held Company

NOTICE TO THE MARKET

Companhia Siderúrgica Nacional (“Company” or “CSN”) has received Official Letter BOVESPA 2320/2015-SAE of July 13, 2015 with the following content:

“We request clarification by July 14, 2015, regarding the content of the article published by the newspaper O Estado de São Paulo on July 13, 2013 entitled “Dívidas levam CSN a buscar bancos para vender parte de seus ativos” (Debt leads CSN to seek banks to sell part of its assets), as well as any other information deemed relevant”.

To this purpose, CSN clarifies the following:

1.       The Company is currently studying alternatives to reducing its leverage, including a possible review of asset portfolio;

2.       At this time there are no ongoing negotiations that require disclosure to the market in accordance with the law; 

3.       In the event of the occurrence of any act that constitutes a material fact, the Company shall promptly inform the market.

São Paulo, July 13, 2015.

________________________________________________________

Gustavo Henrique Santos de Sousa

Controllership, Taxes and Investor Relations 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.