MITEL CORPORATION (NYSE/TSE:MLT) TO RELEASE FISCAL 2001 FOURTH QUARTER RESULTS THURSDAY, MAY 10, 2001

Analyst Conference Call, 8:30-9:30am,ET

Media Conference Call, 9:30-10:00am, ET

For further Information:

Jacques Guerette
Corporate Communications
613 592-0200
jacques_guerette@mitel.com
   
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