THESSALONIKI WATER AND SEWAGE COMPANY SA

Financial Calendar 2011

The WATER SUPPLY AND SEWERAGE SYSTEMS COMPANY OF THESSALONIKI S.A. announces that within the framework of the proper and timely informing of investors, in accordance with article 4.1.4.3 of the Athens Stock Exchange Regulations, the Company's financial calendar for the year 2011 is as follows:
Announcement & Publication of Results 31.12.2010: Wednesday 30th of March 2011
Announcement of Results for the first trimester 2011: Tuesday the 31th of May 2011
Yearly Informing of Analysts regarding the financial results of the year 2010: Friday 3th of June 2011
Yearly Regular General Stockholders Meeting: Thurday 30th of June 2011 Dividend Cut: Friday 19th of August 2011
Initiation of dividend payment through a Bank Institution, to be later announced: Μunday the 29th of August 2011
Announcement of Results for the first semester of 2011: Wednesday the 31st of August 2011
Announcement of Results for the first nine months of 2011: Wednesday the 30th of November 2011
The Company would like to specify that the results will be published to the press, the company website (www.eyath.gr) and the webpage of the Athens Stock Exchange (www.ase.gr).