SIDENOR S.A. announces to the investor community that, in 20-21 September 2006, the company participated in the 1st Annual Greek Roadshow in London, sponsored by the Athens Stock Exchange, in cooperation with Bloomberg. The management of the company presented to international investors the current business conditions, the company''s competitive and financial position and the group''s strategy. It is also noted that the company''s presentation can be found at the company website.