Alpha Metallurgical Resources (AMR) reported Q2 loss Friday of $0.96 per diluted share, widening from a loss of $0.38 a year earlier.
An analyst polled by FactSet expected $0.30.
Revenue for the quarter ended June 30 was $492.9 million, compared with $550.3 million a year earlier.
An analyst surveyed by FactSet expected $492.9 million.