SHORT TERM ADEQUACY FORECAST

We inform you that after the justified request of producer PPC S.A., maintenance works will be conducted in thermal unit Aliveri 5, from 03/06/2023 to 08/06/2023.

We inform you that after the justified request of producer HERON S.A. the Heron 1, Heron 2 and Heron 3 thermal units annual maintenance schedule is modified as follows:

• Heron 1: 23/09/2023 to 07/10/2023
• Heron 2: 20/03/2023 to 22/03/2023
• Heron 3: 23/03/2023 to 25/03/2023

We inform you that after the justified request of producer PPC S.A., the initiation of the annual maintenance of thermal unit Komotini GT2, is temporarily postponed. New maintenance period from 27/04/2023 to19/05/2023.

We inform you that after the justified request of producer PPC S.A., the annual maintenance of thermal unit Meliti, is extended till 08/11/2022.

We inform you that after the justified request of producer PPC S.A., the annual maintenance of thermal unit Lavrio 5, is shifted by one day and will be conducted from 11/9 to 16/9.

We inform you that based on the Transmission System's current conditions, IPTO deems it necessary to temporarily postpone the initiation of the annual maintenance of thermal unit Protergia CC. New maintenance period from 12/09/2022 to 08/12/2022.