Core Natural Resources (CNR) reported Q4 earnings Thursday of $1.04 per diluted share, down from $5.05 a year earlier.

Two analysts polled by FactSet expected $2.68.

Revenue and other income for the quarter ended Dec. 31 was $595.3 million, compared with $649.4 million a year earlier.

Two analysts surveyed by FactSet expected $782.3 million.

Shares of the company were down more than 3% in recent premarket activity.