SIDENOR HOLDINGS S.A.

Announcement for the floating of new shares from the conversion from another category

SIDENOR S.A. announces that the Ordinary General Shareholders Meeting as at 10/06/2008, approved amongst other issues the conversion of the total of its outstanding 96,129,491 shares form common bearer to the same number of common registered shares.
The Ministry of Development decision No K2-8355/30/6/08 approved the amendment of the respective article of the Company's Articles of Association, as a result of the conversion. The ATHEX BoD in its session as at 10/7/2008, approved the floating of the new shares from the conversion.
Taking into account the aforementioned, 15/7/2008 is determined as the last day of trading of the current common bearer shares. As of the following business day, 16/7/2008 and up until 22/7/2008 the 96,129,491 common bearer shares of the Company will cease trading in order to be converted to an equal number of common registered shares.
The trading of the new 96,129,491 common registered shares of the Company in the ATHEX will restore on 23/7/2008. As of the same date, the new total outstanding number of the Company's shares will amount 96,129,491 new common registered shares.
For more information all shareholders may contact the shareholder services department of the Company (tel. +30 210 6861111, Mrs Zairi).