The Moscow-headquartered producer reported a net income of 291 billion roubles($4.3 billion) compared to 395.5 billion roubles in 2014.
Profit was hit by an increase in spending, as well as an impairment loss and write-offs in the period of 161 billion roubles, of which 141 billion roubles were related to exploration and production, particularly in Africa, Lukoil said.
Revenues, however, rose 4% to 5.7