SIDENOR HOLDINGS S.A.

Q1 2008 financial results release date.

SIDENOR S.A. informs the investment community that it will release its 1st Quarter 2008 Financial Results on Wednesday May 21, 2008 and at the same day there will be an analyst conference call regarding the Q1 2008 results.
The Financial Statements and the Data and Information of the period, as well as the respective press release will also be posted on the company's website on the internet, www.sidenor.gr .