RBC Global Energy and Power Executive Conference

Jun 2 – Jun 3, 2020

New York, NY

2020 Annual Meeting of Stockholders

Jun 12, 2020 • 1:00 pm CDT

Virtual Meeting

You may attend the meeting, vote your shares and submit questions electronically during the meeting via live webcast by logging in at: www.virtualshareholdermeeting.com/NOG2020. We recommend that you log in at least 15 minutes before the meeting to ensure that you are logged in when the meeting starts.

UBS Virtual Global Oil and Gas Conference

May 19, 2020 • 12:10 pm CDT

First Quarter 2020 Conference Call

May 11, 2020 • 10:00 am CDT

IPAA OGIS New York

Apr 20 – Apr 21, 2020

48th Annual Scotia Howard Weil Energy Conference

Mar 23 – Mar 26, 2020

32nd Annual Roth Conference

Mar 15 – Mar 17, 2020

Fourth Quarter 2019 Conference Call

Mar 12, 2020 • 10:00 am CDT

Capital One Securities 14th Annual Energy Conference

Dec 10 – Dec 12, 2019

Bank of America 2019 Leveraged Finance Conference

Dec 2 – Dec 4, 2019