BANJA LUKA (Bosnia and Herzegovina), August 1 (SeeNews) – Bosnia's Sberbank a.d. Banja Luka [BANJ:ZPKB-R-A] said on Thursday its net profit increased to 1.8 million marka ($1.2 million/920,320 euro) in the first half of 2013 from 1.4 million marka a year earlier.