ATHENS WATER SUPPLY & SEWAGE Co.

PLAN OF INTENDED CORPORATE ACTIONS FOR THE YEAR 2008

EYDAP S.A. within the context of the company s obligations to inform correctly and timely investors, according to the article 292 of the Athens Stock Exchange Regulation announces the plan of the Intended Corporate Actions for the year 2008.
Monday, 31 March 2008 Release of Fiscal Year 2007 Results
Thursday, 17 April 2008 Analysts Annual Briefing
Friday, 30 May 2008 Release of first quarter 2008 results
Monday, 2 June 2008 Annual General Assembly
Wednesday, 4 Jun2008 Ex-Dividend Date
Thursday, 12 June 2008 Dividend payment through bank
Friday, 29 August 2008 Release of half-year 2008 results
Friday,28November 2008 Release of nine-month 2008 results