STOCKHOLM--(BUSINESS WIRE)--Regulatory News: TeliaSonera: (OSE:TEL)(STO:TLSN)(HEX:TLS1V)(LSE:TEE)(Nasdaq:TLSN) The Board of Directors has decided to exercise the mandate for the buyback of shares that was approved by the Annual General Meeting on April 8, 2015. To cover commitments under the “Long Term Incentive Program 2012/2015”, approved by the Annual General Meeting in 2012, the Board decided to buy back a maximum of 300,000 shares. The buy backs will take place between April 28 and May 8,