OPAP S.A. will release the Q1 2008 results on Monday 26.05.2008, according to the following schedule:

- Monday 26.05.2008, release of the results, following the close of the ATHEX trading session, on the ATHEX (www.ase.gr) and corporate website (www.opap.gr).

- Tuesday 27.05.2008, press publication of the Q1 2008 results.

- Tuesday 27.05.2008 at 17:00 Athens time, Conference Call with analysts and institutional investors commenting the first quarter 2008 results.