Dear Users,

Due to extraordinary system maintenance, there will be an outage of OTE on:

10 December 2025 from 17:00 to 21:00
During this period, the system will be gradually taken offline and may experience instability.

Affected services:

• CS OTE Portal: 17:05–18:05
• Trading Application OTE-COM: 18:05–20:35
• Communication Server (SOAP): 17:05–19:30

Please also note that the scheduled maintenance will take place as planned on:
16 December 2025 (exact time will be specified later).

Thank you for your understanding.

ICT Services Department