TeliaSonera’s Interim Report January - March 2010

TeliaSonera’s Interim report January - March 2010, will be announced on Tuesday April 20, 2010 at around 7:15 (CET) and a presentation will be available at www.teliasonera.com before the press and analyst conference.

Tuesday April 20, 2010 Press and Analyst Conference Time: 9:30 (CET) Place: TeliaSonera’s Head Office, Stureplan 8, Stockholm Mr Lars Nyberg, President and Chief Executive Officer of TeliaSonera and Mr Per-Arne Blomquist, Executive Vice President and Chief Financial Officer of TeliaSonera will present the Interim report January - March, 2010. Press identification card or similar is required to attend. The press and analyst conference will be held in English and will be webcasted at www.teliasonera.com Telephone conference in connection to the press and analyst conference You can also listen to the conference live over the phone and attend the Q&A session via a conference call. To ensure that you are connected to the conference call, please dial in a few minutes before the start of the press and analyst conference to register your attendance. Dial-in numbers: +44 (0)207 108 6303, +46 (0)8 506 269 30 Participants should quote: TeliaSonera Please note that there might be a time lag of up to 30 seconds between the webcast and the conference call if you are simultaneously watching and calling in to the press and analyst conference. You can also listen to the conference call afterwards until April 27, 2010. Replay number: +46 (0)8 506 269 49, Access code: 242155#