CHICAGO — Riley Stillman thinks he fits in nicely with Chicago's young group of defencemen.

Looks like the Blackhawks agree.

Chicago announced a three-year contract extension with Stillman on Sunday, just two weeks after it acquired the 23-year-old defenceman in a multiplayer deal with Florida.

The contract runs through the 2023-24 season and carries an annual cap hit of $1.35 million.

“I want to be here. I wanted to get this done to have an opportunity just to focus on playing and just helping the team,” Stillman said. “From what I've seen over here the last two weeks, I love the city of Chicago. The organization all the way through is top notch, and I'm really excited to be here. So I wanted to get that done, get it behind me, and just focus on the team."

The Blackhawks traded forward Lucas Wallmark and defenceman Lucas Carlsson to the Panthers on April 8 for Stillman, forward Brett Connolly, the rights to forward Henrik Borgström and a seventh-round pick in this year's NHL draft.

“Having a young, physical defenceman like Riley in the fold is exciting for the future of our team,” general manager Stan Bowman said in a news release. “He is growing into an excellent all-around defenceman and that continued development is something we look forward to seeing firsthand. We love his size, and his toughness adds another piece to our defence.”

Stillman was selected by Florida in the 2016 NHL draft. He appeared in 34 games with the Panthers last season, finishing with five assists. He also skated in three playoff games last year.

Stillman's father, Cory, played in the NHL for 16 years, winning the Stanley Cup twice.

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Jay Cohen, The Associated Press