To be held on January 23rd, 2026 at 8:00 a.m. (Calgary Time).

YOUR VOTE IS IMPORTANT

Vote well in advance of the proxy voting deadline on January 21st at 8:00 a.m. (Calgary Time).

The Board recommends you vote FOR the Arrangement Resolution in connection with NuVista Energy’s proposed plan of arrangement with Ovintiv.

Shareholders who have questions or require voting assistance may contact NuVista’s proxy solicitation agent.

Laurel Hill Advisory Group:
North American Toll Free: 1-877-452-7184
Outside North America: 416-304-0211
Text Messages: 416-304-0211
Email: assistance@laurelhill.com