Kevin Goumas scored 31 seconds into overtime to give New Hampshire a 2-1 victory over Union on Friday.
Matt Di Girolamo made 37 saves for the Wildcats, who broke a five-game winless streak.
Troy Gosenick stopped 21 shots for the Dutchmen.
John Henrion gave New Hampshire the lead in the second period, but Mat Bodie responded for Union in the third.
