Cimpor – Second Addendum to the Offering Preliminary Announcement


NOTICE TO THE MARKET

Companhia Siderúrgica Nacional (“CSN”) informs its shareholders and the public in general that, following the Notice to the Market released on 30 December, 2009 and the Material Fact Notice released on 18 December 2009, CSN Cement S.à.r.l. (formerly Seavon Holding S.à.r.l.), a company organized and existing under the laws of Luxembourg and entirely indirectly held by CSN, in the capacity of Offeror and replacing CSN in such capacity, has made public as of this date a Second Addendum to the Preliminary Announcement for the Launching of a General Takeover Bid for the Acquisition of Shares representing the Share Capital of Cimpor – Cimentos de Portugal, SGPS, S.A., as an addendum to the Preliminary Announcement made public on 18 December 2009 and to the first addendum to such announcement disclosed on the same date.

Under the referred Second Addendum, it is informed that the competition authorities to which approval the bid is conditioned are the European Commission, the Rekabet Kurumu (Turkish Competition Authority), the Ministry of Commerce of the People’s Republic of China and the South African Competition Commission, which are the competition authorities for the European Union, Turkey, People’s Republic of China and South Africa, respectively. It is also informed that the Offeror and CSN are considering whether to decide, simultaneously to the launching of the Offer, to make use of an option provided for in the European Commission Regulation on the control of concentrations between undertakings (which allows the implementation of a tender offer prior to a decision of the European Commission provided that the acquirer does not exercise the voting rights attached to the relevant securities until a favorable decision is taken or does so before such a decision is taken only to maintain the full value of its investments based on a derogation granted by the Commission), as well as to withdraw the condition related to the decisions of the other competition authorities Finally, for the purposes above, it is clarified that a pre-notification was made to the European Commission on 4 January 2010 and the final notification was filed on 14 January 2010. The deadline for a decision from the European Commission ends on 18 February 2010.

Rio de Janeiro, January 26, 2010

Companhia Siderúrgica Nacional
Paulo Penido Pinto Marques
Investor Relations Officer

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