Our stock is traded on the NYSE under the symbol NOG.
2006
2007
4350 Baker RoadSuite 400Minnetonka, MN 55343
December 31st
EQ Shareowner ServicesTransfer Agent1110 Centre Point Curve, Suite 101Mendota Heights, MN 55120-4100
Call 1-800-401-1957
Deloitte & Touche LLP50 South 6th StreetSuite 2800Minneapolis, MN 55402
Cawley, Gillespie & Associates, Inc.13640 Briarwick DriveSuite 100Austin, TX 78729