Some of the information in this press release may contain projections or other forward-looking statements regarding future events or the future financial performance of MTS, as defined in the safe harbor provisions of the U.S. Private Securities Litigation Reform Act of 1995. We wish to caution you that these statements are only predictions and that actual events or results may differ materially. We do not intend to update these statements to conform them to actual results. We refer you to the documents MTS files from time to time with the U.S. Securities and Exchange Commission, including our most recent Form 20-F. These documents contain and identify important factors, including those contained in the section captioned “Risk Factors” in our Form 20-F, that could cause the actual results to differ materially from those contained in our projections or forward-looking statements, including, among others, potential fluctuations in quarterly results, our competitive environment, dependence on new service development and tariff structures; rapid technological and market change, acquisition strategy, risks associated with telecommunications infrastructure, risks associated with operating in Russia, volatility of stock price, financial risk management, and future growth subject to risks.

In any forward-looking statement in which OJSC MTS expresses an expectation or belief as to future results, such expectation or belief is expressed in good faith and believed to have a reasonable basis, but there can be no assurance that the statement or expectation or belief will result or be achieved or accomplished. The following factors, among others, could cause actual results to differ materially from those described in the forward-looking statements: the risk that OJSC MTS’s and CJSC Kuban-GSM’s businesses will not be integrated successfully; costs related to the proposed acquisition; failure of the OJSC MTS or CJSC Kuban-GSM stockholders to approve the proposed acquisition; and other economic, business, competitive and/or regulatory factors affecting proposed acquisition, OJSC MTS is under no obligation to (and expressly disclaims any such obligation to) update or alter its forward-looking statements whether as a result of new information, future events or otherwise.

Mobile TeleSystems OJSC (NYSE: MBT) is Russia’s leading GSM 900/1800 mobile cellular operator. MTS has GSM 900/1800 licenses to provide mobile cellular telephony services in 46 regions of the Russian Federation, covering 86 million people or 56% of the country’s population. MTS network has operations in 29 regions, which cover more than 63,2 million people or 43,2% of the population of the Russian Federation.

Additional information about MTS can be found on MTS’s website at https://www.mtsgsm.com.

Kuban-GSM CJSC is one of the leading Russian GSM 900/1800 mobile operators. The Company provides GSM communications services in the Krasnodar Region and the Republic of Adygeya with the population of over 5 million people. Kuban-GSM covers approximately 60% of its license area (including the region’s main highways and railroads) and services over 390 thousand subscribers. Additional information about Kuban-GSM can be found on the Company website at www.kubangsm.ru