Warrington have given England prop Chris Hill a new five-year improved contract.
The former Leigh forward, who has made a remarkable transition from part-time rugby over the last two seasons, was already under contract for three more years but is now tied to the Wolves until the end of 2018.
Warrington coach Tony Smith said: "We are delighted that Chris has committed himself to the club for the next five years.
"We look to maintain a stable squad each year to keep building and striving to get better and better and Chris is one of a number of players who we have secured on a long-term deal and we are proud to be a club to which players are keen to commit."
Hill, who has made 65 appearances in two years with the Wolves and was named in the 2012 Super League Dream Team, is set to win his fifth England cap in Saturday's World Cup clash with Ireland.
"I'm glad to have secured my deal and to be playing for the Wolves for the next five years," said Hill, who turns 26 on Sunday. "It's a great club to be a part of, up there fighting for trophies."
