BANJA LUKA (Bosnia and Herzegovina), September 25 (SeeNews) – A package of 16,882,345 shares of Bosnian power producer Hidroelektrane na Vrbasu (HEV) [BANJ:HELV-R-A] will be offered for sale on the Banja Luka bourse at a starting price of 2.38 marka ($1.6/1.2 euro) each, the bourse said on Wednesday.