ANNOUNCEMENT REGARDING THE OUTCOME OF THE OFFERING BY THE HELLENIC FINANCIAL STABILITY FUND OF 91,471,515 EXISTING COMMON, REGISTERED, DEMATERALIZED VOTING SHARES, LISTED ON THE REGULATED SECURITIES MARKET OF THE ATHENS STOCK EXCHANGE, WITH A NOMINAL VALUE OF Euro 1.00 EACH IN THE SHARE CAPITAL OF "NATIONAL BANK OF GREECE S.A."