Due to a technical problem that was observed in the Trading Network of the Athens Exchange, a malfunction was caused at 11:41 a.m. (local time) in the applications of securities and derivatives trading in the OASIS trading system. Restoration actions were taken in order to tackle the technical problems. More specifically:

1. As regards the Shares Market: At 12:05 p.m. (local time) a temporary halt was necessary. At 12:30 p.m. (local time) the application regarding the trading of shares started functioning again, but due to new technical problems at 12:54 p.m. a temporary halt was materialized again. The shares market started operating again at 1:45 p.m. (local time)

2. As regards the Derivatives Market: The actions regarding the restoration of the problems were completed at 12:52 p.m. (local time) The Derivatives Market started operating again at 1:35 p.m. (local time).

The trading on the shares and derivatives markets was extended by 30 minutes.