September 21, 2009 As of September 21, 2009, and in compliance with the ATHEX Rulebook, (paragraph 3.1.2.4), the shares of the Company PC SYSTEMS S.A. are transferred to the Low Dispersion &Specific Features Category, since the average closing share price of the last three (3) consecutive trading sessions of 16/9-18/9/2009 was less than euro 0.30.