Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” – NYSE: MBT), the largest mobile phone operator in Russia and the CIS, announces that it has successfully placed its fourth ruble bond. The 15 billion ruble bond has a maturity in 2014.

The bond issue was oversubscribed. The bond will have a two-year put option, with coupons being paid annually at the rate of 16.75%. Lead Arrangers of the bond are Gazprombank and VTB.

The bond will be listed in the “V” quotation list on the Moscow Interbank Currency Exchange (MICEX).

Funds raised through the placement will be used for general corporate purposes, which include funding our CAPEX plan, meeting future obligations and better rationalizing our debt structure.