SIDENOR SA informs the investment community that due to today''s announcement of the Journalists'' Union of the Athens Daily Newspapers for a strike to be held on Wednesday May 9 2007, the release of SIDENOR''s Q1 2007 financial results will be held on Thursday May 10, 2007 instead of the originally announced date of Wednesday, May 9, 2007. The financial statements, the data and information, as well as the press release on the Q1 2007 financial results will be posted on the same date on the company''s website www.sidenor.gr.