Penrith Panthers is delighted to announce Reagan Campbell-Gillard has signed a new long-term deal with the club.

The significant contract extension means the 24-year-old prop forward will remain with the club until at least the end of the 2024 season.

"Panthers is the club I've always wanted to play for and I'm so thankful to have the opportunity to make a long-term commitment," Campbell-Gillard said.

"The fact my future is now secure means I can completely focus on building and improving my game moving forward.

"The club has shown a lot of faith in me with this deal and now it's up to me to repay that faith with my performances.

"There is so much young talent coming through the ranks here at Panthers. It's going to be very exciting over the next few years and I can't wait to be a part of it."

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A local junior, Campbell-Gillard tasted premiership success as he progressed through the grades at Panthers.

He was a member of the club's premiership-winning NYC side in 2013 and backed up with victory in the NSW Cup Grand Final in 2014.

He made his NRL debut in 2015 and played every game in his rookie season, capped off by being named the club's Ben Alexander Rookie of the Year.

In 2017 he won the club's prestigious Merv Cartwright Medal and his form was rewarded with a Test debut for the Kangaroos at the Rugby League World Cup.

This year he earned his first NSW State of Origin jersey, before unfortunately being ruled out of the remainder of the series with a broken jaw.

"Reagan Campbell-Gillard is a tremendous story for our club," Panthers Executive General Manager Phil Gould AM said.

"He is a local junior who has come through the Panthers development pathways and is now playing the game at the very highest level for NSW and Australia.

"The club is delighted that Reagan has made such a significant commitment to Panthers.

"He is developing outstanding leadership qualities and will be a source of inspiration for all youngsters in the Panthers system.

"We are blessed to have him in our club."