ASE Announcement regarding the technical problem of the OASIS on September 24, 2001

A technical problem that appeared at 11:55 a.m. in the trading network of the Athens Stock Exchange caused a malfunction in the link of the members of the Athens Stock Exchange with the application of the trading of shares in the OASIS.

In order to solve the above problem, a temporary halt of the session was realized at 12:05 p.m. There was a simultaneous waiver of obligations of category B of the Market Makers on the Athens Derivatives Exchange.

Because a large number of the members of the Athens Derivatives Exchange did not have access to the trading system, there was also a temporary halt to the session of the Athens Derivatives Exchange.

After the restoration of the normal operation of the network of trading on the Athens Stock Exchange at 12:25 p.m., the session was resumed at 12:35 p.m. for both markets.

Due to the persistence of the technical problem, the session as regards the market of Derivatives was suspended again at 12:41 p.m. The market of the Athens Derivatives Exchange operated again at 12:50 p.m.

The session of the Basic Market (A) and NEHA will end at 18:00 and the closing phase will end at 18:15.

The auctions in Market B and C will be realized as usual.