Corporate structure and Market Geography

Corporate structure of the Company (as of December 31, 2012)
Interregional grid companies (11):
Tyumenenergo
 100% 
  IDGC of Volga
 67,63% 
  IDGC of Northern Caucasus
 78,01% 
  IDGC of Siberia
 55,59% 
  IDGC of North-West
 55,38% 
  IDGC of South
 51,66% 
  IDGC of Urals
 51,52% 
  MOESK
 50,90% 
  IDGC of Centre and Volga Region
 50,40% 
   LENENERGO
 49,36% 
  IDGC of Center
 50,23%Distribution grid companies (5):
Yantarenergo
 100% 
   TDC
 52,03% 
  Chechenenergo
 51,00% 
   Kubanenergo
 63,01% 
  NURENERGO
 23,00%Regional sales companies (7):
Karachaevo-Cherkesskenergo
 100% 
  Kalmenergosbyt
 100% 
  Tyvaenergosbyt
 100% 
  Kabbalkenergo
 65,27% 
   Dagestan Energy Supply Company
 51,00%  
  Sevkavkazenergo
 49,00% 
  Ingushenergo
 49,00%Real estate owners (7):
VNIPIENERGOPROM Real Estate
 100% 
  Engineering Center UES Real Estate
 100% 
  North-West Power Engineering Center Real Estate
 100% 
  Volga Power Engineering Center Real Estate
 100% 
  South Center of Power Engineering Real Estate
 100% 
  Urals Power Engineering Company Real Estate
 100% 
  Siberian Energy Scientific and Technical Center Real Estate
 100% R&D and design companies (8):
REC IDGC
 100% 
  Association VNIPIENERGOPROM
 100% 
  SKB VTI
 100% 
  ENIN
 31,4% 
  Urals Power Engineering Company
 25% + 1 share 
  VPEC
 25% + 1 share 
  SevZap
 NTC 25% + 1 share 
  SCPE.
 25% + 1 share Service and construction organizations (4):
Power Grid Optical Networks Engineering
 100% 
  ZES
 9,51% 
IT Energy Services
19,99% 
 NWEMC
 49,00% 
Idle companies (1):
Grozenergo
 49% 