Investment Industry Regulatory Organization of Canada - Trading Halt - Atlantic Power Corporation - ATP all issues

Jun 27, 2008

    TORONTO, June 27 /CNW/ - The following issues have been halted by
Investment Industry Regulatory Organization of Canada (IIROC):

    Issuer Name: Atlantic Power Corporation
    TSX Ticker Symbol: ATP all issues
    Time of Halt: 9:31 am
    Reason for Halt:  Pending Company Statement

For further information:

For further information: contact - IIROC Inquiries (416) 646-7299 - *
Please note that IIROC is not able to provide any additional information
regarding a specific trading halt. Information is limited to general enquiries
only.