NATIONAL BANK OF GREECE S.A.

Trading of Shares

April 10, 2006 As of April 10, 2006, the 2.670.367 new (CR) shares of the NATIONAL BANK OF GREECE S.A. start trading on the ATHEX following the recent share capital increase due to the merger with the Company N.B.G. REAL ESTATE CO S.A.. The new shares will be offered as follows: Each shareholder of N.B.G. REAL ESTATE CO SA (excluding NATIONAL BANK SA) will exchange 15 old (CR) shares held with 2 newly issued (CR) shares (of par value 5,00 Euro) of NATIONAL BANK SA. The shareholders of NATIONAL BANK SA will retain the same number of shares held at a new par value of 5,00 Euro. Increase of the share par value to 5,00 Euro from 4,80 Euro. On April 10, 2006, the total number of the Bank’s listed shares amounts to 339.269.412 (CR) shares. It is clarified, according to the article 76 of the ATHEX Operation Regulation & the Decision No30 of the ATHEX BoD, that the trading limits of the share price only for the trading session on April 10, 2006, is set as follows: +10% at the closing share price on the ATHEX last trading session (7/4/2006): 41,80 EURO and -10% at the adjusted start share price: 41,78 EURO.