UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Form 20-F អ Registration Statement pursuant to Section 12(b) or (g) of the Securities Exchange Act of 1934 or ፤ Annual report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the fiscal year ended December 31, 2013 or អ Transition report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 or អ Shell company report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of event requiring this shell company report Commission file number 333-12032 15JUN201106100788 MOBILE TELESYSTEMS OJSC (Exact name of Registrant as specified in its charter) Not Applicable (Translation of Registrant’s name into English) RUSSIAN FEDERATION (Jurisdiction of incorporation or organization) 4 Marksistskaya Street, Moscow 109147 Russian Federation (Address of Principal Executive Offices) Joshua B. Tulgan Director, Investor Relations Mobile TeleSystems OJSC 5 Vorontsovskaya Street, bldg. 2, 109147 Moscow Russian Federation Phone: +7 495 223 20 25, Fax: +7 495 911 65 67 E-mail:
[email protected] (Name, Telephone, E-mail and/or Facsimile number and Address of Company Contact Person) Securities registered or to be registered pursuant to Section 12(b) of the Act: Title of Each Class Name of Each Exchange on which Registered AMERICAN DEPOSITARY SHARES, EACH REPRESENTING 2 SHARES OF COMMON STOCK NEW YORK STOCK EXCHANGE COMMON STOCK, PAR VALUE 0.10 RUSSIAN RUBLES PER SHARE NEW YORK STOCK EXCHANGE(1) Securities registered or to be registered pursuant to Section 12(g) of the Act: NONE (Title of Class) Securities for which there is a reporting obligation pursuant to Section 15(d) of the Act: NONE (Title of Class) Indicate the number of outstanding shares of each of the issuer’s classes of capital or common stock as of the close of the period covered by the annual report 1,198,831,184 ordinary shares, par value 0.10 Russian rubles each and 388,698,252 American Depositary Shares as of December 31, 2013.