Moscow and New York (December 30, 2004) — Open Joint Stock Company "Vimpel-Communications" ("VimpelCom" or the "Company") (NYSE: VIP) announced today that it will host a conference call to discuss the final decision of a 2001 tax review on Monday, January 3, 2005, 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.

The call may be accessed via webcast at the Company's website at the following URL address https://www.vimpelcom.com.

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