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

Publicly-Held Company

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

CALL NOTICE FOR AN

EXTRAORDINARY SHAREHOLDERS’ MEETING

The Shareholders of COMPANHIA SIDERÚRGICA NACIONAL are hereby summoned to an Extraordinary Shareholders' Meeting to be held on May 30, 2011, at 11:00 a.m., at the Company's headquarters at Av. Brig. Faria Lima, 3400, 20^o andar, in the city and state of São Paulo, to resolve on the following Agenda:

(i)            to examine, discuss and approve the Protocol and Justification for the Merger by Companhia Siderúrgica Nacional ("CSN") of its subsidiary Inal Nordeste S.A., inscribed in the roll of corporate taxpayers (CNPJ/MF) under number 00.904.638/0001-57 (“Inal Nordeste”);

(ii)          to approve and ratify the contracting of KPMG Auditores Independentes, a specialized company responsible for preparing the accounting appraisal report of Inal Nordeste’s shareholders’ equity, to be transferred to CSN;

(iii)        to examine and approve the aforementioned accounting appraisal report on Inal Nordeste’s shareholders’ equity, with reference date of April 30, 2011;

(iv)        to discuss and approve the merger of Inal Nordeste with CSN, in accordance with the terms and conditions established by the Protocol and Justification for Merger of the company in question;

(v)          to grant powers to CSN´s  management to perform all actions required in order to implement the merger transaction to be resolved upon in the Shareholders’ Meeting referred to herein; and

(vi)        to ratify the newspapers in which the Company makes its legal publications.

We request Shareholders with stock in custody to present an updated statement from the custodial body, containing their shareholding interest. We also ask all shareholders who wish to be represented by proxy to observe the terms of paragraph 1 of article 126 of Law 6404/76 and deliver, to the headquarters of CSN, their powers of attorney with powers for representation at the Shareholders' Meeting referred to in this notice, within forty-eight (48) hours of the meeting's date, in order to facilitate services to shareholders.