BANJA LUKA (Bosnia and Herzegovina), November 15 (SeeNews) – Bosnian coal mining and energy complex RiTE Gacko [BANJ:RITE-R-A] said on Thursday its net loss widened to 15.6 million marka ($10.2 million/8.0 million euro) in the first nine months of 2012 from 13.7 million marka a year earlier.