| May 28/04 - Detroit trades prospect Darryl Bootland and a Det. 2008 3rd to Dallas for prospect Yared Hagos and a Dallas 2007 1st. |
| May 28/04 - San Jose trades a SJ 2004 1st, Van 2004 2nd, Mon 2004 3rd and a SJ 2006 1st to Dallas for a LA 1st 2004 and Dal 2006 2nd. |
| May 28/04 - LA trade Pierre Hedin to Dallas for Derek Armstrong. |
| May 28/04 - Dallas trades Steve Eminger, Andy Hilbert, prospect Matt Nickerson, 2004 Was 2nd, Dall 2005 2nd and Bos 2005 4th to Pittsburgh for Maxime Ouelett and a Pitts. 2005 8th. |
| May 28/04 - Dallas trade Jussi Jokinen to Edm for 4.15 million. |
| May 28/04 - Atlanta trades Shaone Morrisonn, Ruslan Fedotenko and Kamil Piros to Edm for Edm 1st, Bos 1st, SJ 3rd and 750k. |
| May 28 - Dallas trades Tim Connoly to Edm for NYI 3rd 04, Edm 5th 04, Edm 7th and 8th round 05. |
| May 28/04 - NYR trades Tyler Arnason, Lee Falardeau and prospect David Inman to LA for Brooks Laitch, Mike Zigomanis and prospect Ari Ahonen. |
| May 28/04 - Boston trades Vincent Damphousse to Washington for $5000. |
| May 29/04 - Dallas trades Mark Recchi, Tampa
bay 1st rd pick, and 1.5 mill. to Atlanta for Andy Sutton, Shawn McEachern, and Atlanta 4th rd pick 2005 |
| May 30/04 - Columbus trades David Vyborny, Alex Ponikarovsky and a Clb 5th 2004 to Buffalo for Mika Noronen. |
| May 30/04 - Dallas trades Calgary 1st rd pick
2004, Atlanta 1st rd pick 2004, Dal. 3rd pick 2004, Pheonix 1st rd pick 2005, Pheonix 2nd rd pick 2005, Dallas 3rd pick 2006, Antti Miettinen, Milan Michalek, prospects Nathan Robinson, Jeff Bateman, Michal Blazek, Marcus Kristofferson, Artem Chernov, and Teemu Elomo for Anaheim. 1st round pick 2004, Ana. 1st pick 2005, and prospect Joel Perreault |
| May 30/04 - San Jose trades Anson Carter and a Col. 4th 2004 to Nashville for Tom Poti and a Nas. 7th. |
| May 30/04 - Carolina trades Jamie Pushor, Mike Sillinger, Rem Murray, Patrick Boileau, prospect Kevin Nastiuk and Ted Donato to Dallas for Ron Tugnutt, Montreal's 3rd in 2004, Edmonton's 5th in 2004. |
| May 30/04 - Columbus trades Patrik Stefan, Rastislav Klesla and Derrick Walser to Nashville for Brad Boyes, Kevin Klein, Nas 1st 2004, Phi. 2nd 2004 and LA 4th 2004. |
| May 31/04 - Buffalo trades Jiri Fischer to Nashville for Dmitri Kalinen, Shea Weber and Konstantin Galzachev. |
| May 31/04 - San Jose trades Alexei Zhitnek and 2 million to Dallas for a Phoenix 3rd round pick 2004. |