PLAISIO COMPUTERS S.A.

Announcement

PLAISIO COMPUTERS S.A. (the Issuer) informs the investment public that, after a relevant application of National Securities S.A., the Board of Directors of the Athens Stock Exchange, by its decision on the 8th of November 2007, approved as market maker for the Issuer's shares the company National Securities S.A. As starting date of the above market making was fixed the 13th of November 2007. A market making agreement has been signed between the Issuer and National Securities, under the following terms:
1.National Securities S.A. will transfer to the ATHEX Trading System market making orders (quotes) on its account, concerning the issuer's shares, in accordance with the specific provisions of the relevant legislation. For the market making services the Issuer will pay a fee to National Securities S.A.
2.The duration of the market making agreement is one (1) year.