UPDATE 1-BT chooses EE over O2 in 12.5 bln stg mobile deal
December 15, 2014 at 12:34 PM EST
LONDON, Dec 15 (Reuters) - Britain's BT has entered into exclusive talks with Orange and Deutsche Telekom to buy EE for 12.5 billion pounds ($19.6 billion), opting for the country's biggest mobile operator over rival suitor, Telefonica's O2.