ANNOUNCEMENT ON THE INTRODUCTION FOR TRADING OF THE COMPANY’S NEW SHARES RESULTING FROM THE REDUCTION OF THE SHARE’S NOMINAL VALUE (SPLIT) The Board of Directors of the Company UNIBRAIN S.A. informs the investing public that the Second Repeated Meeting of the 22/05/2007 shareholders’ Annual General Meeting, held on Tuesday June 19, 2007, decided to split the Company shares, via a reduction of the nominal value of the Company’s share from €1,20 to €0,40 and a simultaneous increase of the total number of Company shares from 3.900.000 Common Registered shares of nominal value €1,20 each, to 11.700.000 Common Registered shares of nominal value €0,40 each. The aforementioned 7.800.000 new Common Registered shares will be distributed to the Company’s shareholders free of charge, pro rata 2 new Common Registered shares of nominal value €0,40 each, for each (1) old Common Registered share of nominal value €1,20. As a result, the Company’s share capital remains at € 4.680.000,00 and is divided in 11.700.000 Common Registered shares, of nominal value €0,40 each. The decision of the Vice Minister of Development, approving the relevant amendment of article 5 of the Company’s Articles of Association, regarding share capital, was recorded in the S. A. (Societe Anonyme) Register on 22/06/2007, with protocol no. Κ2-9657. The Athens Exchange Board of Directors during its 19/07/2007 meeting, was notified of the aforementioned split (reduction in the nominal value of the Company’s shares) and approved the introduction for trading of the resulting (as described above) new bonus shares. By decision of the Company Board of Directors, entitled to the new bonus shares are the shareholders of Common Registered Company shares at the Athens Exchange market close on 24/07/2007. As of the next working day, 25/07/2007, the Company’s shares will be traded at the Athens Exchange with the new nominal value of €0,40 per share and without the right to participate in the distribution of the new bonus shares. As of that same date, the opening price of the Company’s shares at the Athens Exchange will be determined according to Athens Exchange Regulations. The start date of trading of the 7.800.000 new Common Registered shares at the Athens Exchange is set as 01/08/2007. As of that same date, the aforementioned shares will have been credited at the Securities’ Accounts of entitled shareholders/ beneficiaries. For further information, shareholders may contact the Company’s Shareholder Service (tel. 210 6640 600), during working days and hours. Peania, July.20th 2007 THE BOARD OF DIRECTORS