- Following the sale of an additional 5% of the Greek State's shares and voting rights, Deutsche Telekom’s stake in OTE S.A. amounted to 30% and 20% for the Greek State.
- COSMOTE S.A signed a acquisition agreement for 12.6% of AMC, owned by the Albanian State, increasing its participation in the company to 95%.
- The 100% transfer of COSMOFON and GERMANOS TELECOM AD SKOPJE to Telekom Slovenije was completed.
- Conn-x TV, which is based on IPTV technology and allows for the transmission of the television signal via broadband connection, was launched.
- The nationwide growth of broadband continued with active fixed ADSL connections exceeding 1,100,000.
- The mobile network population coverage reached 99.8%.
- The acquisition of Zapp in Romania was finalized following approval by the country’s competent authorities
- OTE S.A. acquired 100% of COSMOTE S.A. and its share was delisted from the Athens Stock Exchange.
- An agreement was signed between the Greek State and Deutsche Telekom based on which each had a 25% stake plus one share in the OTE S.A. share capital commencing on November 5.
- Merger via absorption of OTENET by OTE S.A.
- For the first time, ΟΤΕ S.A. was included in the “FTSE4Good” Index Series, which measures company corporate responsibility performance.
- The trial period for CONN-X TV (IPTV) began.
- The Greek State sold 10.7% of OTE S.A.'s share capital to institutional investors.
- OTE S.A. submitted a voluntary public offer for the acquisition of all COSMOTE S.A’s ordinary registered shares.
- Fixed broadband connections reached 825,000.
- New fixed Internet speeds reaching 24Mbps became commercially available.
- Fixed broadband Internet bundles (ADSL) in conjunction with mobile telephony services became available on the Greek market for the first time.
- The subsidiary INFOTE was sold.
- The acquisition of GERMANOS, the most successful telecommunications retail chain in SE Europe, was announced.
- Fixed broadband connections exceeded 500,000 having increased tenfold compared to 2005, while access speeds doubled.
- COSMOTE S.A., a leading company in Greece and among the leading companies in Europe, launched HSDPA broadband services.
- Because of the OTE Group’s infrastructure, Greece was ranked the fasted developing country in the world with respect to the rate of broadband connections (Point Topic, Global Broadband Statistics).
- COSMOTE S.A. acquired 70% of the COSMOROM mobile telephony company’s share capital, later renamed COSMOTE Romania and currently named Telekom Romania Mobile.
- COSMOTE acquired 100% of the shares of GLOBUL in Bulgaria and COSMOFON in FYROM
- OTE S.A. and COSMOTE S.A. were the Major National Sponsors of the Athens 2004 Olympic Games.
- The marketing of 3rd generation mobile telephony services began in Greece.
- OTE raised its participation in RomTelecom’s share capital to 54%.
- COSMOTE S.A. assumed the management of the OTE Group’s mobile telephony companies, GLOBUL in Bulgaria and COSMOFON in FYROM.
- The provision of ADSL services commenced in Greece.
- The Hellas Sat2 satellite was launched from Cape Canaveral.
- It now had in excess of 3,500,000 mobile customers in Greece and 500,000 in Albania.
- The OTE Group started operating in a deregulated telecommunications market.
- COSMOTE S.A. established a nationwide GPRS network and offered 2.5G services, among the first in Europe.
- It had more than 2,500,000 mobile customers, which represented the largest share in the market (36.5%).
- A 3rd generation mobile telephony license (UMTS) was acquired in Greece
- In terms of stock market value, OTE ranked among the 500 largest organizations worldwide and among the 10 largest telecommunications organizations in Europe. (2001-2003)
- OTE S.A. acquired a GSM license in Bulgaria and incorporated Globul for this purpose.
- Acquisition of a 85% of the share capital in Albanian Mobile Communications (AMC) by COSMO-HOLDING ALBANIA, a subsidiary of COSMOTE S.A.
- COSMOTE S.A. shares were listed on the Athens and London Stock Exchanges.
- It now had 2,000,000 mobile customers and a 35% market share.