The deal is part of Fremantle’s desire to build their forward line and lock down key contributors for the foreseeable future.
Treacy is the fifth player to be signed with the club past 2029 along with fellow forwards Jye Amiss and Luke Jackson, as well as defender Brendan Cox and ruckman Sean Darcy.
Treacy was already tied up with the club until the 2026 season but due to his red hot form and commitment to improvement, Fremantle was keen to acquire his services for the rest of the decade.
Treacy currently sits in seventh place in the Coleman Medal race through 21 rounds.
The 21-year-old young gun has the best shot accuracy percentage (71.4) of the top 40 goal-kickers so far in 2024 and is looking like the new main point of attack for the Dockers.
He is averaging 12.1 disposals, 7.9 kicks, 6.1 marks and 2.3 goals this season.
A one-point loss to Essendon has seen Fremantle drop to sixth place in a packed top 10 on the ladder, with a record of 12-7-1.
The Dockers have a tough schedule for the remainder of the season, facing Geelong in round 22, GWS in round 23 and finishing off their season in Port Adelaide.
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