For Immediate Release

Sistema Shyam TeleServices Ltd. Announces Unaudited Financial Results for the Second Quarter Ended June 30, 2013

Gurgaon, India, 26th August 2013 - Sistema Shyam TeleServices Ltd. (SSTL), which operates its telecom services under the MTS brand in India, today announces its unaudited consolidated financial results for the second quarter ended June 30, 2013.

Key Financial & Operational Highlights for the Second Quarter of 2013