Market Regulation Services - Trading Halt - Rockhaven Resources Ltd. - ROCK

Dec 4, 2007


    TORONTO, Dec. 4 /CNW/ - The following issues have been halted by Market
Regulation Services (RS):

    Issuer Name: Rockhaven Resources Ltd.
    CNQ Ticker Symbol: ROCK
    Time of Halt: 11:41 am EST
    Reason for Halt: Pending News

For further information:

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