TeliaSonera in agreement to purchase additional shares in Turkcell from Çukurova

· TeliaSonera agrees with the Çukurova Group to acquire an effective 27.0 percent stake in Turkcell for a cash consideration of USD 3.1 billion (SEK 21.8 billion) and increase its effective ownership stake to 64.3 percent · TeliaSonera will not make a public tender offer for Turkcell, which will remain a listed company · Çukurova to continue as local partner with a 13.5 percent stake · Transaction underlines TeliaSonera’s commitment to Turkey and Turkcell as well as the future development opportunities · Transaction expected to be earnings and cashflow accretive TeliaSonera, the leading telecommunications group in the Nordic-Baltic region, has agreed today with the Çukurova Group in Turkey to acquire all the remaining shares in Turkcell Holding. Thereby TeliaSonera will acquire a further effective 27.0 percent stake in Turkcell Iletisim Hizmetleri A.S. for a cash consideration of USD 3.1 billion (SEK 21.8 billion) and increase its effective ownership stake to 64.3 percent. Turkcell is the leading mobile operator in Turkey, with 23.4 million subscribers as of 31 December 2004. The transaction is subject to agreement on definitive documentation including share purchase agreement, further due diligence on Turkcell and the receipt of all necessary regulatory approvals and third party consents. In particular, the transaction will be conditioned on the confirmation of an exemption from the mandatory tender offer requirement from the Turkish Capital Markets Board. The transaction is expected to be earnings and cash flow accretive to TeliaSonera, before any synergies. The transaction is expected to complete in the second quarter of 2005. TeliaSonera will not make a public tender offer for Turkcell, which will remain listed. TeliaSonera supports Turkcell’s current dividend policy. TeliaSonera acknowledges the contribution of Turkcell’s current executive management to the strong performance of the Company and is confident in the ability to continue driving the business forward and to develop and exploit the interesting future opportunities. “Turkcell has an impressive track record and interesting development opportunities. A transaction would strengthen both Turkcell and TeliaSonera possibilities for the future,” comments Anders Igel, President and CEO of TeliaSonera. Conference Call Analysts, investors and media are invited to participate in a conference call on Tuesday 29 March 2005. Time: 15:00 hours – CET (Stockholm time), 16:00 hours – CET + 1 (Istanbul time) To ensure that you are connected to the conference call, please dial-in a few minutes before the start of the conference call. Dial-in number: +44 (0)207 162 0183 Participants should quote: TeliaSonera Replay number: +44 (0)207 031 4064 until 5 April, access code: 653460 TeliaSonera TeliaSonera is the leading telecommunications company in the Nordic and Baltic regions. At the end of December 2004 TeliaSonera had 15.4 million mobile customers (51.4 million including associated companies) and 8.3 million fixed telephony customers (8.9 million including associated companies) and 2.0 million Internet customers (2.1 million including associated companies). TeliaSonera has extensive interests in the mobile telecommunications sectors in Russia, Turkey and Eurasia. TeliaSonera is listed on the Stockholm Stock Exchange and the Helsinki Stock Exchange. Net sales for the year ended December 2004 amounted to SEK 81.9 billion (USD 11.2 billion). The number of employees at the year-end was 29,082. SEK million 2002 2003 2004 (IFRS) Net sales 80,979 81,772 81,937 EBITDA excl. non- 25,457 30,690 30,196 recurring items Net income (32,890) 7,671 12,964 Number of mobile 10.6 11.9 15.4 subscribers (m) Number of fixed 8.3 8.1 8.3 line subscribers (m) Number of 28,460 26,694 29,082 employees at year end Turkcell Turkcell is the leading mobile operator in Turkey with 23.4 million subscribers as at end of December 2004. Turkcell also has interests in mobile operations in Eurasia, Northern Cyprus and Ukraine. It is listed on the Istanbul Stock Exchange and is the only Turkish company listed on the New York Stock Exchange. Net sales for the first nine months of 2004 amounted to USD 2,550 million. It had 5,062 employees at the end of 2003. USD million (US 2002 2003 Q1-Q3 2004 GAAP) Revenue 1,974 2,459 2,550 EBITDA excl non- 761 1,036 1,293 recurring Net income 102 754 685 Number of Mobile 15.7 19.0 23.4(Dec04) Subscribers (m) Number of 4,076 5,062 Na Employees at end of period Financials for Turkcell exclude effects of litigation provisions. Forward-Looking Statements Statements made in the press release relating to future status or circumstances, including future performance and other trend projections are forward-looking statements. By their nature, forward-looking statements involve risk and uncertainty because they relate to events and depend on circumstances that will occur in the future. There can be no assurance that actual results will not differ materially from those expressed or implied by these forward-looking statements due to many factors, many of which are outside the control of TeliaSonera. In particular this press release assumes that the current agreement of the parties will lead to a definitive agreement and that the transaction reflected in such agreement closes. Execution of any such agreement is dependent on due diligence and the closing of any such agreement will be subject to a variety of conditions, including regulatory and third party consents. In particular, a condition to the transaction is an exemption from the mandatory tender offer requirement from Turkey’s Capital Markets Board. Note Exchange rate of USD 1 = SEK 7.02 has been used for transaction related currency translations in this press release for convenience only. 2004 average exchange rate of USD 1 = SEK 7.34 has been used for the conversion of 2004 net sales. _____________________________________________ For further information journalists can contact: TeliaSonera´s Press Office, +46-(0)8-713 58 30