Disclaimer

Neither the Securities and Exchange Commission nor any US state securities commission has approved or disapproved of this transaction or passed upon the merits of fairness of such transaction or passed upon the adequacy of the information contained in the Offer to Purchase or any related materials. Any representation to the contrary is a criminal offence.

THE INFORMATION CONTAINED IN THE OFFER TO PURCHASE AND ANY RELATED MATERIALS IS ADDRESSED EXCLUSIVELY TO THE HOLDERS OF COMMON STOCK OR ADSs. NEITHER THE OFFER TO PURCHASE NOR ANY RELATED MATERIALS NOR THE TENDER OFFER DESCRIBED HEREIN NOR ANY INFORMATION CONTAINED HEREIN CONSTITUTE AN OFFER (“OFERTA”) PURSUANT TO RUSSIAN LAW, OR AN ADVERTISEMENT, OR AN OFFER OF SECURITIES TO AN UNLIMITED NUMBER OF PERSONS WITHIN OR OUTSIDE THE TERRITORY OF THE RUSSIAN FEDERATION, OR VOLUNTARY TENDER OFFER OR MANDATORY TENDER OFFER UNDER RUSSIAN LAW. NEITHER THE OFFER TO PURCHASE NOR ANY RELATED MATERIALS NOR THE TENDER OFFER DESCRIBED THEREIN CONSTITUTE OR ARE INTENDED FOR PLACEMENT OR PUBLIC CIRCULATION OF SECURITIES OF FOREIGN ISSUERS IN THE RUSSIAN FEDERATION, FURTHERMORE THE OFFER TO PURCHASE AND ANY RELATED MATERIALS DO NOT CONSTITUTE AUCTION UNDER LAWS OF THE RUSSIAN FEDERATION AND PROVISIONS OF ARTICLES 447 - 449 OF THE CIVIL CODE OF THE RUSSIAN FEDERATION DO NOT APPLY TO THE TENDER OFFER. ADSs, TO WHICH THE TENDER OFFER RELATES, ARE NEITHER REGISTERED IN THE RUSSIAN FEDERATION NOR ADMITTED TO PLACEMENT, PUBLIC PLACEMENT OR PUBLIC CIRCULATION IN THE RUSSIAN FEDERATION IN ACCORDANCE WITH ARTICLE 51.1 OF RUSSIAN FEDERAL LAW NO. 39-FZ “ON THE SECURITIES MARKET”, DATED APRIL 22, 1996 (AS AMENDED) (THE “SECURITIES MARKET LAW”). THE TENDER AND PURCHASE OF ADSs WILL BE CARRIED OUT EXCLUSIVELY IN ACCORDANCE WITH THE PROCEDURES SET FORTH IN THE OFFER TO PURCHASE AND RELATED MATERIALS. ANY INFORMATION IN THE OFFER TO PURCHASE AND RELATED DOCUMENTS IN RESPECT OF ADSs IS ADDRESSED IN THE RUSSIAN FEDERATION SOLELY TO PERSONS WHO ARE “QUALIFIED INVESTORS” AS DEFINED IN THE SECURITIES MARKET LAW.

Contact investor relations:

+ 7 495 223 20 25 ir@mts.ru

MTS Investor Relations
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