This is the first-ever All-Star selection for the 6-foot-5, 212-pound goaltender, who is currently in his second season with the Bruins.
Ullmark ranks first in the NHL this season in wins (21), save percentage (.939), goals against average (1.86), while also posting two shutouts.
The 29-year-old Lugnvik, Sweden native has played in 183 games in his NHL career, posting a 2.58 goals against average and a .917 save percentage.
Ullmark was originally selected by the Buffalo Sabres in the sixth round (163rd overall) of the 2012 NHL Entry Draft.