Investor Relations - 19.11.2007

At November 21, 2007, on 17:30 the presentation to the Analysts

ANNOUNCEMENT

Public Power Corporation S.A. announces that, the presentation to the Analysts for the 9M 2007 financial results and the Strategic Plan of the Company that was scheduled for November 21, 2007 on 14.30, will be held on 17.30, on the same day.

Athens, 19 November 2007