Request for the registration of the Public Offer for the Acquisition – Cimpor


NOTICE TO THE MARKET

Companhia Siderúrgica Nacional (“CSN”) hereby informs its shareholders and the public in general that, pursuant to the Material Fact published on December 18, 2009, it has presented to the Portuguese Securities and Exchange Commission (Comissão do Mercado de Valores Mobiliários) a request for the registration of the Public Offer for the Acquisition of CIMPOR – Cimentos de Portugal, SGPS, S.A.

The request is currently awaiting analysis and approval in accordance with the applicable legislation.

Rio de Janeiro, December 30, 2009

COMPANHIA SIDERÚRGICA NACIONAL
Paulo Penido Pinto Marques
Investor Relations Officer

For further information, please, click here.