NuVista Energy Ltd.

Entered into an underwriting agreement to sell, on a private placement basis, 7.875% senior unsecured notes due 2026, increased from previously announced offering of $200 million. Notes will be issued at $989.89 expressed as a price per $1,000.00 principal amount under a new trust indenture. Proceeds will be used, together with borrowings under the its credit facility, to redeem all of the existing $220 million senior unsecured notes due 2023 at a redemption price of 101.625%, plus accrued and unpaid interest. CIBC Capital Markets and RBC Capital Markets are joint book-runners.