QUEST HOLDINGS S.A.

Announcement according to article 24 par. 2(a) of Law 3461/2006

According to article 24 par. 2(a) of Law 3461/2006, Info-Quest S.A. announces that on July 26, 2007 acquired through the Athens Stock Exchange 755.148 common registered voting shares of UNISYSTEMS S.A. at a price equal to Euro 2,09 per share. Pursuant to the above, Info-Quest holds 67,85% of the share capital and voting rights of UNISYSTEMS S.A.