Companhia Siderurgica Nacional : Material Fact - Merger of Vicunha Siderurgia

COMPANHIA SIDERÚRGICA NACIONAL

Corporate Taxpayer's ID (CNPJ/MF):

"São Paulo, July 17, 2015.

Avenida Brigadeiro Faria Lima, 3400, 20º andar, Itaim Bibi, São Paulo/SP.

Controller, Tax Planning and Investor Relations Executive Officer.
Dear Sir,
Vicunha Aços S.A., with headquarters at Rua Henrique Schaumann, 270/278, sobreloja, sala Vicunha Aços, São Paulo/SP, inscribed in the roll of corporate taxpayers (CNPJ/MF under no. 04.213.131/0001-08 ("Vicunha Aços"), pursuant to CVM Instruction 358/02, hereby informs you that, on June 30, 2015, the merger of Vicunha Siderurgia S.A., with headquarters at Rua Henrique Schaumann, 270/278, sobreloja, sala Vicunha Aços, São Paulo/SP, inscribed in the roll of corporate taxpayers (CNPJ/MF under no.
02.871.007/0001-04 ("Vicunha Siderurgia") by Vicunha Aços was approved ("Merger"), the documents related to the Merger having been presented for registration with the São
Paulo State Registry of Commerce on this date.
The purpose of the merger was to centralize all the operations of Vicunha Aços, given that it already held 100% of the shares issued by Vicunha Siderurgia, thereby streamlining operations and reducing the administrative costs and expenses of both companies. It is worth noting that, notwithstanding the Merger, the indirect and final control structure of Companhia Siderúrgica Nacional remains unaltered.
As a result of the Merger, Vicunha Siderurgia was wound up for all legal purposes, pursuant to article 227 of Brazilian Corporation Law and Vicunha Aços shall succeed it in all its rights and obligations, including as the direct controlling shareholder of this Company, directly retaining 697,719,990 common shares issued by Companhia Siderúrgica Nacional.
Sincerely,

São Paulo, July 20, 2015.

Gustavo Henrique Santos de Sousa

Controller, Tax Planning and Investor Relations Executive Officer

distributed by