"Provided there are no significant market changes, we expect to achieve full year earnings in the current range of analyst forecasts which between NZ$51 to NZ$53 million ($38.3 million to $39.8 million)," chief executive Mark Cairns told the company's annual meeting.
It said its next profit for the first three months was up around 10 percent on a year ago while container traffic was 25 percent higher.