THESSALONIKI WATER AND SEWAGE COMPANY SA

Publication date for the Results of the A' Trimester 2010 .

EYATH S.A would like to inform investors that the data and information of the parent company and the group for the first trimester of 2010 shall be published on the 28th of May 2010, in accordance with the company's financial calendar, in MAKEDONIA, KERDOS & VIMA newspapers. The intermediate financial statements as well as the data and information for the same fiscal period, shall be posted on the company website: www.eyath.gr , on the same day.