COSMOTE- MOBILE TELECOMMUNICATIONS S.A

Announcement of Regulated Information

COSMOTE MOBILE TELECOMMUNICATIONS S.A. (COSMOTE or Company), following a notification received by Hellenic Telecommunications S.A. (OTE) on 20/11/2007 and pursuant to paragraph 3 of article 14 of L.3556/2007, hereby notifies the following changes in the number of COSMOTE s voting rights held by OTE: Following the acquisition of COSMOTE common registered shares on 19 November 2007, the percentage of the Company s voting rights held by OTE has changed by over 3%. In particular, as at the date of its previous notification to the Company OTE held 277,785,011 common registered shares of COSMOTE, representing 82.97% of the Company's voting rights while on the date prior to the aforementioned acquisition OTE held 285,798,643 common registered shares of COSMOTE, representing 85.37% of the Company's voting rights. Following the aforementioned acquisition OTE holds 287,854,895 common registered shares of COSMOTE representing 85.98% of the Company's voting rights.