Athens, 01 June 2009

The Athens Exchange (ATHEX) announces that, in implementation of paragraph 3.1.2.6. of its Rulebook, the shares of the company "PC SYSTEMS S.A.", will be traded as of Tuesday, June 2nd, 2009, in the Medium & Small Capitalisation Category, since at the trading session of June 1st, 2009 the closing price of the company's shares was above the limit of euro 0.40.