Penrith Panthers is delighted to announce Liam Martin has agreed to a two-year contract extension with the club.

The new deal means the 21-year-old lock forward will remain with Panthers until at least the end of the 2021 season.

"I'm extremely happy and thankful to have the opportunity to re-sign at Panthers," Martin said.

"Moving from the country to Penrith was a challenge at first but now this place has become my second home.

"The club has always been outstanding looking after me and making sure I have everything I need to succeed.

"With the calibre of players and coaching staff here, I know this club is capable of doing something special and I want to be a part of it."

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Born in the Riverina town of Temora, Martin first joined Panthers as a member of the club's SG Ball squad in 2015.

The following season he stepped up to the Panthers Under-20s side before establishing himself in the premiership-winning Panthers Intrust Super Premiership NSW squad in 2017.

Martin's strong form in 2018 saw him selected in the NSW Residents side and he was later named on the bench in the 2018 Intrust Super Premiership NSW Team of the Year.

"Liam hasn't played in the NRL as yet but we know he is only moments away," Panthers Executive General Manager Phil Gould AM said.

"We have no doubt this young man in a regular NRL player of the future.

"We are excited Liam has committed to Panthers for the next three years and are hopeful he will become a long-term player with the club."

Martin's re-signing comes after confirmation this week that fellow young gun Jarome Luai has also agreed to a two-year contract extension.