CNX Resources (CNX) reported a Q4 loss Thursday of $0.97 per diluted share, swinging from earnings of $2.76 a year earlier.
Analysts polled by FactSet expected earnings of $0.42.
Revenue for the quarter ended Dec. 31 was $136.58 million, down from $968.77 million a year earlier.
Analysts surveyed by FactSet expected $434 million.
Shares of the natural gas company were up more than 4% in Thursday's premarket activity.