Beaulieu, 20, has played 62 games for the Bulldogs this season recording 25 points (six goals, 19 assists) and 56 penalty minutes and leads the team in assists.
The native of Strathroy, Ont., played four seasons for the Saint John Sea Dogs of the Quebec Major Junior Hockey League registering 152 points (37 goals, 115 assists), a plus-124 rating and 206 penalty minutes in 233 regular-season games.
The 6-foot-2, 194-pound defenseman played 61 post-season games over four seasons for the Sea Dogs and captured the 2011 Memorial Cup. Beaulieu was originally selected by the Canadiens in the first round, 17th overall, in the 2011 NHL Entry Draft.
Dumont, 22, played eight games while on recall with the Canadiens posting two assists. The 2013 AHL All-Star has played 52 games for the Bulldogs this season and leads the team in points with 30 (15 goals, 15 assists) as well as in goals and has also accumulated 81 penalty minutes.
Tinordi, 21, played six games with the Canadiens while on recall notching one assist and two penalty minutes. Tinordi has played 55 games for the Bulldogs this season recording 11 points (two goals, nine assists) and 51 penalty minutes.