April 22, 2004 :
• The Ottawa Senators fired goaltending coach Phil Myre
  
  April 21, 2004 :
• The Houston Aeros (AHL) assigned goaltender Frédéric Cloutier to Louisiana of the ECHL
  
  April 19, 2004 :
• The Nashville Predators signed goaltending coach Mitch Korn to contract extension
  
  April 13, 2004 :
• The Minnesota Wild assigned goaltender Josh Harding to Houston of the American Hockey League
  
  April 12, 2004 :
• The Pittsburgh Penguins assigned goaltender Marc-André Fleury to Wilkes-Barre/Scranton of the American Hockey League
  
  April 10, 2004 :
• The San Jose Sharks recalled goaltender Dimitri Patzold from Johnstown of the ECHL
• The Utah Grizzlies (AHL) released goaltender Miguel Beaudry from tryout; signed goaltender Mike Betz to trout. Assigned goaltender Dan Ellis to Idaho of the ECHL
  
  April 9, 2004 :
• The Syracuse Crunch (AHL) added goaltender Andrew Penner
  
  April 7, 2004 :
• The Dallas Stars recalled goaltender Jason Bacashihua from Utah of the American Hockey League
  
  April 6, 2004 :
• The Houston Aeros (AHL) recalled goaltender Frederic Cloutier from Louisiana of the ECHL
  
  April 5, 2004 :
• The Atlanta Thrashers assigned goaltender Kari Lehtonen to Chicago of the American Hockey League and goaltender Michael Garnett to Gwinnett of the ECHL
• The Providence Bruins (AHL) received goaltender Peter Hamerlik from Trenton of the ECHL
  
  April 4, 2004 :
• The Springfield Falcons (AHL) released goaltender Scott Dickie
  
  April 3, 2004 :
• The Dallas Stars assigned goaltender Jason Bacashihua to Utah of the AHL
  
  April 1, 2004 :
• The Binghamton Senators (AHL) recalled goaltender Andrew Allen from Trenton of the ECHL
• The Chicago Wolves (AHL) assigned goaltender Tyler Masters to Cincinnati of the ECHL. Received goaltender Michael Garnett from Gwinnett of the ECHL
• The Hamilton Bulldogs (AHL) received goaltender Olivier Michaud