The Auckland-born Panthers junior has played his entire career with Penrith, chalking up 128 NRL appearances and starting at prop in their 2021 and 2022 premiership wins.
The Panthers' starting front-row duo of Leota and James Fisher-Harris are poised to continue lining up together until at least the end of 2026, when Fisher-Harris' deal expires.
Leota had already been contracted until the end of 2024 but would have been free to negotiate with Penrith's rivals from November 1.
The New Zealand and Samoan international will be 32 at the end of his new contract.
"This re-signing means everything because this club is home to me," Leota said.
"I never thought I'd be in this situation, so I'm grateful to re-sign with the Panthers. It will be great to stay with the club for the rest of my career."
Retaining Leota is a major boost for the Panthers, who are preparing to lose their next-best prop Spencer Leniu to the Sydney Roosters at the end of this season.
Leota's re-signing comes a week after the Panthers confirmed co-captain Isaah Yeo had signed his own contract extension through to 2027, the same year Brian To'o and Nathan Cleary's Penrith deals run out.
Premiership-winning duo Scott Sorensen and Jaeman Salmon remain off-contract at the end of this season, as are highly rated hooker Soni Luke and son-of-a-gun Mavrik Geyer.Â
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