BANJA LUKA (Bosnia and Herzegovina), August 6 (SeeNews) – Bosnian coal mining and energy complex RiTE Ugljevik [BANJ:RTEU-R-A] said on Monday its net loss widened to some 7.0 million marka ($4.4 million/3.6 million euro) in the first half of 2012 from 1.2 million marka a year earlier.