FORMATION OF THE BOARD OF DIRECTORS

Thessaloniki Water Supply & Sewerage Company SA, informs retail investors that, following the ratification of Mrs. Styliani Valani as a non-executive member, by the Ordinary General Meeting of 8 June 2017, the Board of Directors of the Company met and was formed as follows:

Ioannis Krestenitis, President & CEO, executive member

Ioannis Papaioanou Vice President A', executive member

Styliani Valani, Vice President, non-executive member.

Stephania Tanimanidou, (Independent) non-executive member.

Panagiotis Gogos, (Independent) non-executive member.

Efdoxos Petridis, non-executive member.

Olympia Latsiou - Chrysafi, non-executive member.

Ioannis Tsionas, non-Executive Member

Eleftheria Karachaliou, non-executive member

Georgios Archontopoulos, Employee Representative, non-executive member.

Anastasios Sachinidis, Employee Representative, non-Executive Member.