PC SYSTEMS S.A.

Announcement

October 7, 2005 As of October 7, 2005, according to the Decision of the ATHEX BoD on October 6, 2005, and following the implementation of the article 110, paragraph b’ of the ATHEX Regulation Operation, the trading of the shares of the Company “PC SYSTEMS S.A.” is transferred to “Market C” (“under supervision” trading).