June 20 (SeeNews) - Energy and insurance group Eurohold Bulgaria's [BUL:EUBG] subsidiary Eastern European Electric Company (EEEC) said on Monday that it owns 97.66% of Electrohold Sales [BUL:CEZE] and 99.25% of Electrodistribution Grid West [BUL:CEZD], former local units of Czech energy company CEZ, after its tender offer expired on June 18.