IIROC; Resumption: NuVista Energy Ltd., Southern Pacific Resource Corp.

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

TORONTO, ONTARIO--(Marketwire - Sept. 11, 2012) - Trading resumes in / Reprise des négociations pour :

Company / Société : NuVista Energy Ltd.
TSX Symbol / Symbole TSX : NVA
Resumption / Reprise : HH:MM AM ET/HH h MM (HE) Open / ouvert
Company / Société : Southern Pacific Resource Corp.
TSX Symbol / Symbole TSX : STP
Resumption / Reprise : HH:MM AM ET/HH h MM (HE) Open / ouvert

Contact Information:

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