Investment Industry Regulatory Organization of Canada - Trading Halt - Lone Pine Resources Inc. - LPR

May 26, 2011

TORONTO, May 26 /CNW/ - The following issues have been halted by Investment Industry Regulatory Organization of Canada (IIROC):

Issuer Name: Lone Pine Resources Inc.
TSX Ticker Symbol: LPR
Time of Halt: 8:30 AM ET
Reason for Halt: Halted Pending Coordinated Opening with NYSE

For further information:

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.