New Zealand international forward Tony Puletua has signed a new two-year deal with St Helens.
The 31-year-old, who is in his third season with Saints, was due to be out of contract at the end of the campaign and had been linked with Warrington.
He said: "I'm absolutely thrilled to be seeing out my career at the Saints.
"They are the only Super League club that I would consider playing for and I've enjoyed every aspect of my time here so far."
Puletua, who joined Saints from Penrith in 2009, added: "With the new stadium near to completion, and some new international signings to complement a great crop of young players coming through, the next couple of years are going to be more than exciting for Saints players and fans alike."
St Helens last week signed former Australia Test forward Anthony Laffranchi, who was thought to be Puletua's replacement.
But coach Royce Simmons said keeping Puletua on board until 2013 was a huge lift for the club.
"Tony is that rare breed of forward who combines size with athleticism and skill and can play both back and front row," he said.
"He brings an extra dimension to our game and has been in great form of late.
"He is in prime physical condition and there is no doubt that he can play on at the highest level for another couple of seasons after this."