BANJA LUKA (Bosnia and Herzegovina), July 29 (SeeNews) – Bosnia's Sberbank a.d. Banja Luka [BANJ:ZPKB-R-A], a unit of Austria-based Sberbank Europe, said on Wednesday its net profit increased 14.9% to 2.1 million marka ($1.2 million/1.1 million euro) in the first half of 2015.