GWS quartet Harry Perryman, Jack Buckley, Zach Sproule and Jake Stein have all signed new contracts.
Perryman, who has played 70 games since debuting in 2017, has re-signed for a further two years, tying him to the Giants until the end of 2024.
Buckley added another year to his current deal which will take him through until the end of 2023, while Sproule and Stein have signed one-year deals for 2022.
Giants GM of Football Jason McCartney said in a club statement: “It’s really exciting to confirm another lot of re-signings.
“Harry is an important part of our side and it’s been great to see his journey over the past few years. We’re looking forward to seeing what he can produce after re-committing for another two years.
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“Jack is also one that has flourished over the recent years and showed this season how important a player he can be for us.
“Both Zach and Jake are coming off career-best seasons and deserve another year on the rookie list.
“It’s great to be able to continue to show our commitment to local talent by extending these four guys.”
Buckley has made 17 senior appearances for GWS, while Sproule and Stein have both played 11 games.
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