OREANDA-NEWS. Mobile TeleSystems OJSC (“MTS” - NYSE: MBT), the leading telecommunications provider in Russia and the CIS, rated Ba2 (Moody’s), BB (S&P) and BB+ (Fitch), announces that it has mandated Gazprombank, J. P. Morgan and The Royal Bank of Scotland as Joint Lead Managers and Bookrunners to arrange a series of debt investor meetings commencing on Friday, May 17, 2013, in the US and Europe. A Reg S /144A international bond offering denominated in US dollars with a possible additional ruble tranche may follow, subject to market conditions, FCA / ICMA stabilization.