The Water Supply and Sewerage Company of Thessaloniki S.A. announces that today on the 29-06-2007 and after the end of the Shareholders Regular General Meeting, Mr. Stamatis Karamanlis - President of the company's B.o.D. - submitted his resignation to the protocol of the company. As mentioned in his resignation document, Mr. Karamanlis resigned on personal grounds which have nothing to do with the functioning of the company.