To Install the rosters.
Step 1:
Copy and Paste or unzip NHL 2004 Exh.exh to your My Documents\NHL 2004\db FOLDER. Say Yes to overwriting the file.

Step 2:
Copy and Paste or unzip db.viv to your C:\Program Files\EA Sports\NHL 2004\db FOLDER. Say Yes to overwriting the file. 

Step 3:
Copy and Paste or unzip local.viv to your C:\Program Files\EA Sports\NHL 2004\fe FOLDER.  Say Yes to overwriting the file

Step 4
Copy and Paste or unzip NHL 2004 Exh.exha.tdb to your My Documents\NHL 2004\db FOLDER.  Say Yes to overwriting the file