Hudbay Minerals (HBM) reported Q1 adjusted earnings Monday of $0.24 per diluted share, up from $0.17 a year earlier.
Analysts polled by FactSet expected $0.10.
Revenue for the quarter ended March 31 was $594.9 million, up from $525 million a year earlier.
Analysts surveyed by FactSet expected $534.3 million.
The company's shares were up 3.8% in recent premarket activity.