Megafon increased its market share in the key Moscow region while VimpelCom was held back from expanding into that region awaiting the courts to decide the tax issue.
Alfa Group, which has a significant share in Vimpel, was involved in a dispute over ownership of Leonid Rozhetskin's LV Finance former 25% stake in MegaFon with IPOC International Growth Fund during VimpelCom's tax issue with the Russian government.