Athens, September 18, 2009

The Athens Exchange (ATHEX) announces that the shares of the company "PC SYSTEMS S.A." will be traded as of Monday, September 21rst, 2009, under the Low Dispersion & Specific Features Category. The above-mentioned decision was taken in implementation of paragraph 3.1.2.4. of the ATHEX Rulebook, based on the fact that the average closing share price of the last three (3) consecutive trading sessions 16/9 ? 18/9/2009 was less than Euro 0.30.