SIDENOR HOLDINGS S.A.

ANNOUNCEMENT-2011 FINANCIAL CALENDAR


SIDENOR S.A., pursuant to its disclosure obligations to the investment community and in accordance to Article 4.1.2, paragraph 1(Β) and Article 4.1.4.3.1 of the ATHEX Regulation announces the following Program of Intended Corporate Actions:
Monday March 28, 2011 (after the end of trade session): Announcement and Press Release of the Fiscal Year 2010 Financial Results.
Tuesday March 29, 2011: Publication of Fiscal Year 2010 Financial Statements (parent and consolidated) and briefing of analysts (conference call) regarding the financial results of the company.
Wednesday May 4, 2011: Annual briefing of Analysts regarding the Annual 2010 Financial results of the company.
Tuesday June 14, 2011: Annual Ordinary General Meeting of the shareholders.
No dividend will be distributed for the fiscal year 2010.
Note: More information regarding SIDENOR SA is available at the company's website (www.sidenor.gr).