THESSALONIKI WATER AND SEWAGE COMPANY SA

NOTIFICATION OF CHANGE INTERNAL AUDITOR

EYATH SA announces that according to the 217/2016 decision of the Board of Directors, regarding the company's Internal Audit Department, Mr. Ioannis Kasioulis becomes the new Head of the Internal Audit Dpt., Ms. Evangelia Manchiou is appointed as A class Controller and as outer directorate support partner, the Company «MAZARS SA».

The mandate of Internal Auditors decided to set for three years (1.7.2016-30.6.2019). The relevant supporting contract with Mazars has a duration of two years.