IIROC; Resumption; Osisko Mining Corporation

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

TORONTO, ONTARIO--(Marketwire - May 10, 2012) -

Company / Société : Osisko Mining Corporation
TSX Symbol / Symbole TSX : OSK
Resumption / Reprise : 9:30 AM ET/9 h 30 (HE)

Please note that IIROC is not able to provide any additional information regarding a specific trading halt. Information is limited to general enquiries only.

Contact Information:

IIROC Inquiries
1-877-442-4322 (Option 3)