Harry Potter And The Prisoner Of Azkaban added an estimated $8.7m for Warner Broson more than 3,900 screens at the weekend to raise its international cumulativetotal to $477.2m.

Key drivers included the biggest debut of the year so farin Portugal, where $932,300 on 115 screens surpassed Shrek 2 by 20% and Spider-Man 2 by 17%, according to the distributor.

In its sixth week in Japan, strong school holiday business ensuredAzkaban remained topand gained 7% on the previous weekend for a $4.2m gross on 539, elevating therunning total to $87.1m.

Another of Warner's releases, Catwoman, opened strongly in the Philippines,ranking number one ahead of the second weekend of I, Robot on $347,000 on 30 in Metro Manila.

Meanwhile, Troy'sinternational cumulative total for Warner now stands at $356m.