VimpelCom to Release First Quarter 2007 Financial and Operating Results on Friday, May 25, 2007

MOSCOW and NEW YORK, May 21 /PRNewswire-FirstCall/ -- Open Joint Stock Company "Vimpel-Communications" ("VimpelCom" or the "Company") announced today that it will webcast its conference call on its first quarter 2007 financial and operating results on Friday, May 25, 2007, at 6:30 p.m. Moscow time (10:30 a.m. ET). The conference call will be hosted by Alexander Izosimov, Chief Executive Officer. He will be joined by Elena Shmatova, Chief Financial Officer, Nikolay Pryanishnikov, Executive Vice President - General Director, Russia; and Kent McNeley, Chief Marketing Officer. The press release announcing the Company's first quarter 2007 financial results will be available on the Company's web site, located at http://www.vimpelcom.com/, prior to the conference call.

The Company's management will discuss its first quarter 2007 results during a conference call and slide presentation. The call and slide presentation may be accessed via webcast at the following URL address http://www.vimpelcom.com/. For those who will be unable to listen to the live slide presentation webcast, it will be archived on the Company's web site until June 25, 2007.

The VimpelCom Group includes cellular companies operating in Russia, Kazakhstan, Ukraine, Tajikistan, Uzbekistan, Georgia and Armenia. The VimpelCom Group's cellular license portfolio covers a territory with a population of about 240 million. This includes 77 regions of Russia (136.5 million people, representing 94% of the Russia's population), and the entire territories of Kazakhstan, Ukraine, Uzbekistan, Tajikistan, Georgia, and Armenia. VimpelCom was the first Russian company to list its shares on the New York Stock Exchange ("NYSE"). VimpelCom's ADSs are listed on the NYSE under the symbol "VIP".