History

Türk Telekom's privatization was completed on November 14, 2005, with the transfer of 55% of Türk Telekom shares to Oger Joint Venture Group.

Türk Telekom subsidiary TTNET was established on April 26, 2006, commencing operations on May 14 by obtaining an internet service provider license.

Türk Telekom increased its shareholding in Avea to 81.12% with the acquisition of 40.56% of the shares of İş-TİM for USD 500 million on September 15, 2006.

15% of Türk Telekom shares were offered to the public and listed on the Istanbul Stock Exchange on May 15, 2008.

Türk Telekom acquired Invitel International (now Türk Telekom International),on October 7, 2010, the leading wholesale capacity and data services provider in Central and Eastern Europe.

Türk Telekom distributed TL 2.244 billion – its entire 2010 distributable profit – to shareholders in gross cash dividends on 30 May 2011, breaking an all-time record in the history of the Istanbul Stock Exchange.

Türk Telekom became Turkey's first telecommunications company to report its carbon emissions to the Carbon Disclosure Project (CDP).

Türk Telekom increased its total shareholding in Avea to 89.99%.

TTNET and Sobee, two wholly owned Türk nTelekom subsidiaries, were merged with the transfer of Sobee's entire assets and business to TTNET.

On December 10, 2013, upon a resolution adopted by the Board of Directors Türk Telekom announced the restructuring of its executive leadership by combining the roles of Group CEO and General Manager into a single CEO position and removing the Group CFO position.

Türk Telekom's overseas bond offering of up to USD 1 billion (or its equivalent in other foreign currency or Turkish Lira) with a maturity of up to 10 years was oversubscribed eight times by investors from a broad geography. The transaction was the largest corporate bond issue as well as the first-ever dual tranche debt offering across two maturities issued in Turkey. Conducted in two tranches with 5-year and 10-year maturities, the bond issuance was priced at a 30 bps spread to Turkish sovereign issues of similar tenors.

International credit rating agency Fitch Ratings assigned "BBB-" (investment grade) with a stable outlook to Türk Telekom's long-term foreign and local currency issuer default ratings and assigned "BBB-" to senior unsecured rating; and affirmed the rating afterwards as part of its routine review in 2014.

International credit rating agency Standard & Poor's (S&P) upgraded the corporate credit rating of Türk Telekom from "BB+" to "BBB-" (investment grade), emphasizing that Türk Telekom had strengthened its liquidity position after a successful bond issue of USD 1 billion in June 2014.

TTNET A.Ş. purchased the Turkey media rights of UEFA Champions League andUEFA Europe League matches for three seasons beginning with the 2015-2016 season. It was announced that UEFA Champions League and UEFA Europe League football games would be broadcast via the Türk Telekom Group's digital TV broadcasting platform Tivibu. Pursuant to the contract signed with UEFA, an agreement was also reached with TRT, which became Türk Telekom's free-to-air partner.

The Türk Telekom Group, the leading telecommunications and communication technology group in Turkey, celebrated its 175th anniversary with a spectacular reception held in Ankara with the attendance of President Recep Tayyip Erdoğan.

The transfer of the shares of Avea İletişim Hizmetleri A.Ş., which were held by the İş Bank Group, to Türk Telekomünikasyon A.Ş., was completed. With the share transfer, Türk Telekom became the sole owner of Avea İletişim Hizmetleri A.Ş.

After signing a C&MA (Construction and Maintenance Agreement), Türk Telekom International joined the SEA-ME-WE-5 consortium as a full member. In order to provide the most innovative, reliable and comprehensive services with the fastest and most robust infrastructure in Turkey and the surrounding region, Türk Telekom also supported the powerful terrestrial network connecting the three continents with the submarine.

Avea İletişim Hizmetleri A.Ş., has won the below packages in the IMT Service and Infrastructure Authorization Tender (publicly known as LTE Authorization Tender) held by the Information and Communication Technologies Authority (ICTA) on August 26, 2015.

• 2x10 MHz bandwidth in 800 MHz frequency for Euro 380,000,000,
• 2x7.6 MHz bandwidth in 900 MHz frequency for Euro 216,819,184,
• 2x20 MHz bandwidth in 1800 MHz frequency for Euro 310,000,000,
• 2x10 MHz bandwidth in 2600 MHz frequency for Euro 25,858,917,
• 1x15 MHz bandwidth in 2600 MHz frequency for Euro 22,000,000.

As a result of this tender Avea,

• In the 800 MHz frequency, owns the cleanest and the closest package to the 700 MHz frequency, which is an important element for 5G
• In the 900 MHz frequency, moved out of a disadvantageous position
• In the 1800 MHz frequency, has the widest capacity, which is the most important frequency for LTE
• Holds 175 MHz of total bandwidth.
• Has the highest MHz per user.

Total spectrum fee is Euro 954,678,101.

Türk Telekom Group announced a partnership with Amazon Web Services (AWS) to provide the most advanced cloud computing solutions to Turkish companies. Under this partnership, all enterprises in Turkey, small or large, will be able to access virtual server services provided through the AWS global cloud network.

Türk Telekom Group, Turkey's leading integrated telecommunications company, joined the Bridge Alliance, the largest mobile alliance of the leading mobile operators in the Asia-Pacific region. The Türk Telekom Group is the first company to represent Turkey within the Bridge Alliance, which has a combined customer base of over 700 million customers.

Türk Telekom Group introduced its first smartphone "TT175."

In order to deliver mobile, broadband, fixed voice and TV services through a single channel, the brands Avea, Türk Telekom and TTNET were unified under a single "Türk Telekom" brand.

Taking the first step towards its vision of supporting domestic production in LTE technologies, Türk Telekom became the first operator to place an order for ULAK, the LTE national base station project, developed by Aselsan, Netaş and Türk Telekom's R&D subsidiary Argela, with the support of the Undersecretariat of the Defense Industry.

Türk Telekom was named "Turkey's most valuable telecommunication brand" in 2016 on the "Telecoms 500" list of the world's 500 most valuable telecommunication brands, published annually by Brand Finance.

At the GSM Association Mobile Congress held in Barcelona on February 22-25, cooperation between Türk Telekom and Korea Telecom was announced.

Nokia and Türk Telekom agreed to cooperate to produce "baseband" equipment that emits signals, considered the brain of a base station. Türk Telekom became the first operator to integrate ULAK Turkey's first national LTE base station into its network.

Prior to the transition to LTE on April 1, Türk Telekom's senior management launched GIGA LTE.

Türk Telekom once again made its mark on the Bilişim 500 awards. Türk Telekom ranked first among 500 companies in terms of sales revenue, and also came first at the 17th edition of the Bilişim 500 Survey's "Communication Technologies" ranking. Türk Telekom also garnered the "Telecoms Company Main Category Winner of the Year" and "Internet Services Category Winner of the Year" awards.

Türk Telekom, Turkey's leading communication and entertainment Technology Company introduced its new youth brand Selfy.

Türk Telekom's Board of Directors appointed Paul Doany, a well-known figure in the sector, as CEO as of September 26, 2016.

Türk Telekom became the first Turkish operator to test Narrowband IoT technology on its own network, in collaboration with Nokia.

On December 12, 2016, organizational changes made in order to increase efficiency and effectiveness under the integrated Türk Telekom structure were announced.

Türk Telekom International joined the Sea- Me-We-5 consortium as a full member in 2015, and the cable system started to give service at the end of 2016, linking 17 countries in Asia to Europe over a distance of 20,000 kilometers.