Smurfit Westrock (SW) reported Q2 adjusted earnings Wednesday of $0.35 per basic share, down from $0.44 a year earlier.
Analysts polled by FactSet expected $0.42.
Revenue for the quarter ended June 30 was $8.03 billion, up from $7.94 billion a year earlier.
Analysts surveyed by FactSet expected $7.91 billion.
Shares of the company were down 5.6% in Wednesday's premarket activity.