May 20, 2008, Moscow. COMSTAR – United TeleSystems JSC (COMSTAR-UTS, LSE: CMST), the leading supplier of integrated telecommunication solutions in Russia and the CIS, announces that ZAO "Digital Phone Network South" (CTS), a member of COMSTAR-UTS company Group, has been connected to E-port electronic payment system. Now CTS customers have a chance to pay for operator's services via one of the largest payment systems in Russia.

CTS subscribers can now top up their accounts in more than 54,500 payment acceptance points of e-port throughout the whole territory of Russia via payment terminals, with the shopping mall cash registers, in telecom customer centers. It is also possible to effect payment at every moment via mobile phone with a java-applet "e-port mobile" installed. Starting June 30, 2008, there will be a chance to pay for CTS services using momentalno.ru payment portal.

"Our company gathers active momentum to consolidate its positions in telecom market of Russian South, where apart from the stable communication means many value-added services are provided", says CTS Director Mikhail Monastyrsky. "We consider it to be a very important aspect, convenient communication for the customer with his communication provider, apart from high-quality and stability of communication. With the possibility to pay for our services via e-port system it is now easy for the customers to save their time making payment procedure more convenient," Mikhail Monastyrsky added.