Hellenic Telecommunications Organization SA (ASE: HTO, NYSE: OTE), the Greek full-service telecommunications provider, announced that it has acquired today 622,000 common shares of Cosmote SA, representing approximately 0.186% of the outstanding share capital of its Greek mobile phone subsidiary. The purchase was carried out at the price of 20.0 euros per share. As a result of that transaction, OTE's ownership of Cosmote's share capital increased from 66.54% to 66.723% for a total of 222,647,294 shares out of 333,688,110 outstanding Cosmote shares. As a result of that transaction OTE now owns more than 2/3 of Cosmote's share capital.