SAINTS have announced the signing of New Zealand and Samoa foward Tony Puletua for next season.
Puletua, aged 28, will join from 2009 on a three-year contract.
He is currently playing for the Penrith Panthers in the NRL.
In a statement Saints chairman, Eamonn McManus said: "Tony will add size, athleticism and experience to our pack next year.
"He sees St Helens and Super League as a new challenge after 10 years at the Penrith Club in Australia."
Puletua added: "I'm really excited about joining the world famous St Helens Club.
"I'm really looking forward to the new start and new challenge in England and Saints' fans can be assured of my absolute commitment to the club's continuing success."
The forward, who will represent Samoa in the 2008 World Cup, has made more than 190 appearances for Penrith.