Hellenic Telecommunications Organization S.A. announced that the Board of Directors, following a proposal of the Remuneration and Nomination Committee, appointed as a new non-executive member of the Board of Directors Mr. Rodrigo Francisco Diehl, in replacement of the resigned non-executive member Mr. Michael Wilkens and for the rest of his term, i.e. until the date of the Ordinary General Meeting of Shareholders of year 2024.