SHARE CAPITAL INCREASE OF EYDAP NISON S.A.

ATHENS WATER SUPPLY & SEWAGE Co.

SHARE CAPITAL INCREASE OF EYDAP NISON S.A.

Athens, October 24^th 2014

SHARE CAPITAL INCREASE OF EYDAP NISON S.A.

EYDAP announces that after the decision of its Board of Directors (Resolution 18460/22.10.14), the Company approved the share capital increase for "EYDAP NISON" S.A by 1.000.000 euro, through payment in cash in two equal installments of 500,000 euro, at November 1^st, 2014 and July 1^st, 2015.