Moscow and New York (August 13, 2007) — Open Joint Stock Company "Vimpel-Communications" ("VimpelCom" or the "Company") (NYSE: VIP), today announced that it acquired Closed Joint Stock Company “Corporation Severnaya Korona” ("CSK"), which holds GSM 900/1800 and D-AMPS licenses covering the Irkutsk Region.

The Company acquired 100% of the shares of CSK for approximately US$ 232 million. The sole shareholder of CSK was Tele2 Sverige AB of Sweden, a member of the telecommunications holding company Tele2 which operates in the Nordic and Russian markets.

CSK’s GSM-900/1800 and D-AMPS licenses cover a territory with a population of about 2.5 million. According to the Company's estimates, the CSK subscriber base as of the end of June 2007 amounted to over 571,000 subscribers (including more than 3,000 D-AMPS subscribers), which accounts for 21.5% of the entire cellular market in the Irkutsk Region. According to independent surveys, the penetration level of cellular telecommunications in the region is about 107.6%.

Commenting on today's announcement, Nikolai Pryanishnikov, VimpelCom’s Executive Vice-President and General Director for Russia, noted: "We are happy to announce our entry into one of the most important regions of the Far East and Siberia. The acquisition of CSK substantially enhances our position in Russia and expands the communication options available to existing and new subscribers. We plan to integrate the acquired company into VimpelCom’s network as soon as possible and offer the local population Beeline’s high level of service.”

Following the acquisition of CSK, VimpelCom's operating area covers 75 regions of the 85 administrative regions of the Russian Federation.