Moscow, Russian Federation – Mobile TeleSystems OJSC (“MTS” – NYSE: MBT), the largest mobile phone operator in Russia and the CIS, announces that it will place its first exchange-traded ruble bond worth RUB 10 billion on the Moscow Interbank Currency Exchange (MICEX) on April 03, 2013, with a maturity of ten years.

Coupons are to be paid semiannually, while bond holders will have the right under a five-year put option to sell the bonds to MTS. Lead Arrangers of the bond are VTB Capital, Sberbank CIB and UniCredit Bank. Sberbank CIB has been appointed Placement Agent for the bond.

The bond will be placed on MICEX on April 03, 2013, though a book-building process. The books are to be closed on March 29, 2013. The bond will be listed in the «A1» quotation list on MICEX.

The proceeds from the bond placement will be used for general corporate needs.