PSA International handled 61.81 million boxes at its port projects around the world last year, up 2.9 per cent.

Its flagship PSA Singapore Terminals contributed 32.24 million boxes, up 3.1 per cent over 2012.

PSA terminals outside Singapore handled 29.57 million boxes for a 2.7 per cent gain).

Adjusting for port portfolio changes, the group's like-for-like volume growth over 2012 was 4.6 per cent, with stronger performance from the overseas terminals.

Group chief executive Tan Chong Meng said PSA will continue to upgrade its terminals globally, and make suitable investments in new growth markets and in its existing portfolio.

"We will continue to engage our customers and partners to grow our port network in the locations that matter to them and make PSA their preferred port of call," he said.