Van Riemsdyk, who turns 24 later this month, played 18 regular-season games in his rookie season this year. He made another four appearances in the playoffs during Chicago's Stanley Cup run.
The Blackhawks signed van Riemsdyk as an undrafted free agent in March 2014 after an award-winning career at the University of New Hampshire. He made his NHL debut in October 2014 and was sent down to the minors in November.
Van Riemsdyk new deal pays him $825,000 annually, his agent told the Chicago Tribune. It is a one-way contract, meaning he can't be sent down to the minors without passing through waivers first.
- Dan Gartland