Moscow and New York (November 12, 2004) - Open Joint Stock Company "Vimpel-Communications" ("VimpelCom" or the "Company") (NYSE: VIP) announced today that it will webcast its conference call on its third quarter 2004 financial and operating results on Thursday, November 18, 2004, 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, Nikolai Pryanishnikov, Executive Vice President - General Director, Regions, Jere Calmes, Executive Vice President - General Director, Moscow and Valery Goldin, Vice President of International and Investor Relations. The press release announcing the Company's third quarter 2004 financial results will be available on the Company's web site, located at https://www.vimpelcom.com, prior to the conference call.

The call and slide presentation may be accessed via webcast at the following URL address https://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 December 20, 2004.

VimpelCom is a leading provider of telecommunications services in Russia and Kazakhstan, operating under the "Bee Line GSM" brand in Russia and "K-mobile" and "EXCESS" brands in Kazakhstan. The VimpelCom Group's license portfolio covers approximately 94% of Russia's population (136 million people), including the City of Moscow, the Moscow Region and the City of St. Petersburg, as well as the entire territory of Kazakhstan. 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".

For more information, please contact:
Valery Goldin
VimpelCom (Moscow)
Tel: 7(095) 974-5888
vgoldin@VimpelCom.com

Christopher Mittendorf
Edelman Financial Worldwide
Tel: (212) 704-8134
christopher.mittendorf@edelman.com