Investor Relations - 30.04.2010

Changes to financial calendar for 2010

Public Power Corporation S.A. announces the following changes to financial calendar for the year 2010:

- Annual General Meeting of Shareholders: June 29, 2010.

- Ex - dividend date: July 1, 2010, that is after the 18th of June, 2010 which signifies the expiration date for the Futures Contracts on the Company? s stock and on the FTSE/ATHEX 20 index in which it is included.

- Record date: 5 July 2010.

- Dividend payment for the year 2009 through a bank settlement: 9 July 2010. More details will be provided through a new company announcement at a later date.

Athens, April 30, 2010