I N V I T A T I O N

To the Shareholders of the company named

"ATHENS WATER SUPPLY AND SEWERAGE COMPANY S.A."
(EYDAP S.A.)
General Commercial Register No. 121578960000

to the 44th Ordinary General Meeting

By a Decision taken in accordance with the Law and the Company’s Articles of Association at its meeting of May 20th , 2026 , the Board of Directors of the Company named "Athens Water Supply and Sewerage Company S.A. (EYDAP S.A.)", invites the Shareholders of the Company to the 44th Ordinary General Meeting on June 19 , 2026, Friday at 4:00 p.m. , which will meet in the "ERMIS" room of EURONEXT ATHENS (formerly Athens Stock Exchange), 110 Athens Avenue, Athens, with the physical presence of Shareholders as well as the possibility of remote participation in real time using electronic means, for discussion and decision-making on the following items of the Agenda :......