IIROC; Halt: Treasury Metals, Canadian Helicopters Group

| Source: Investment Industry Regulatory Organization of Canada (IIROC) Investment Industry Regulatory Organization of Canada (IIROC)

TORONTO, ONTARIO--(Marketwire - April 12, 2011) - The following issue(s) have been halted today:

Company / CompagnieTreasury MetalsCanadian Helicopters Group
TSX Symbol / SymboleTMLCML (all issues)
Reason / MotifPending NewsPending News
Halt Time (ET) / Heure de l'Arrêt9:14 AM ET9:16 AM ET

Contact Information:

Investment Industry Regulatory Organization of Canada-IIROC
416-646-7299
inquiries@iiroc.ca
www.iiroc.ca