Operating revenue went up 6.9% on the year to 10.5 million marka, while operating costs rose 3.5% to 12.4 million marka in 2023, Rafinerija Ulja Modrica said in a bourse filing on Thursday.
Russia's oil and gas company Neftegazinkor is the majority shareholder in Rafinerija Ulja with a 75.7% stake, according to data on the Banja Luka Stock Exchange.
Its shares last traded on the Banja Luka bourse on January 10, closing flat at 0.07 marka.
(1 euro = 1.956 marka)