The Solar Bears and rookie F Trevor Olson have agreed to terms for the 2018-19 season.
The 24-year-old Olson made his pro hockey debut during an 8-game stint with the South Carolina Stingrays at the end of the 2017-18 season.
Olson recorded one assist and six penalty minutes with the Stingrays.
Olsen helped North Dakota win a national championship at the 2016 Frozen Four in Tampa.