BANJA LUKA (Bosnia and Herzegovina), May 11 (SeeNews) – Bosnian coal mining and energy company RiTE Gacko [BANJ:RITE-R-A] said on Friday it booked a net profit of 687,855 marka ($419,645/351,695 euro) in the first quarter, compared to a net loss of 641,595 marka a year earlier.