Market Regulation Services - Trading Halt - The Westaim Corporation - WED

May 23, 2007


    TORONTO, May 23 /CNW/ - The following issues have been halted by Market
Regulation Services (RS):

    Issuer Name: The Westaim Corporation
    TSX Ticker Symbol: WED
    Time of Halt: 09:01 EST
    Reason for Halt: Pending News

For further information:

For further information: Market Regulation Services Inc., (416)
646-7299