Notice of Material Fact – Acquisition of Usiminas‘ common shares


São Paulo, Brazil, January 27, 2011 – COMPANHIA SIDERÚRGICA NACIONAL (“Company”) hereby informs its shareholders and the market in general that, on January 26, 2011, it increased its interest in Usinas Siderúrgicas de Minas Gerais S.A. – Usiminas (“Usiminas”), through the acquisition of common shares. As a result, the Company now holds, directly and indirectly, 5.03% of Usiminas’ common shares, as well as 4.99% of its preferred shares, as disclosed in a Notice to the Market published on January 13, 2011.

The Company does not detain any additional share subscription, stock option or debenture rights, nor has it entered into any agreement or contract regulating the exercise of voting rights or the purchase and sale of securities issued by Usiminas. At this point in time, the Company does not intend to acquire interests of more than ten percent (10%) of each class of Usiminas stocks.

The Company is currently assessing alternative strategies in relation to its investment in Usiminas, including the possibility of additional acquisitions of stock in percentages higher than the above mentioned. Any such additional acquisitions may lead to alterations in Usiminas’ ownership and/or administrative structure.

For the Notice of Material Fact, click here.