QUEST HOLDINGS S.A.

Notification 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 August 3, 2007 acquired through the Athens Stock Exchange 117.064 common registered voting shares of UNISYSTEMS S.A. at a price equal to Euro 2,08 per share. Pursuant to the above, Info-Quest holds 71,58% of the share capital and voting rights of UNISYSTEMS S.A.