CALGARY, ALBERTA--(Marketwired - June 5, 2013) - NuVista Energy Ltd. ("NuVista") (TSX:NVA) announces that Jonathan Wright, President and CEO of NuVista, will be presenting at the Stifel Nicolaus Energy Conference in Montreal on Friday June 7, 2013 at 11:25 a.m. EST. His presentation will be available via a live Audio Cast by entering
http://www.veracast.com/webcasts/stifel/energy2013/84206148.cfm.

INVESTOR INFORMATION

NuVista is an independent Canadian oil and natural gas exploration, development and production company with its Common Shares trading on the Toronto Stock Exchange under the symbol "NVA".

Contact Information:

NuVista Energy Ltd.
Jonathan A. Wright
President and CEO
(403) 538-8501