Following the GIO NSW Under 20s Origin team assembly, Luke Brooks, Alex Johnston and Isaah Yeo have been withdrawn from the side.
Their places in the team have been taken by Drew Hutchison, Tyrone Phillips and Ryan Matterson.
There has been no decision on an 18th man or captain at this stage.
The updated team list is:
Clinton Gutherson (Manly-Warringah Sea Eagles)
Jake Mamo (Newcastle Knights)
Euan Aitken (St George-Illawarra Dragons)
Sione Mata'utia (Newcastle Knights)
Tyrone Phillips (Canterbury-Bankstown Bulldogs)
Drew Hutchison (St George-Illawarra Dragons)
Mitchell Moses (Wests Tigers)
Jake Trbojevic (Manly Warringah Sea Eagles)
Kaysa Pritchard (Parramatta Eels)
Matt Lodge (Melbourne Storm)
Adam Elliott (Canterbury-Bankstown Bulldogs)
Jakiel Mariner (Sydney Roosters)
Jack Bird (St George-Illawarra Dragons)
Ryan Matterson (Parramatta Eels)
Rhys Kennedy (Melbourne Storm)
Pauli Pauli (Parramatta Eels)
Dean Britt (Melbourne Storm)
Coach: Dean Pay Manager: Mal Cochrane