OPERATORS · TEXAS · P-5 NUMBER 179253

Cornerstone Energy, Inc.

4 PERMITS · PAGE 1 OF 1 · BY ISSUE DATE

IssuedPermitTypeCountyLease / wellDepthStatusAPIOperator change
Nov 5, 2004553283DrillBrazoriaW. Algoa SWD #14,000Final completion03932869Now MBX Operating LLC
Jun 14, 2004546826DrillJeffersonHolloway SWD #1D4,660Final completion24532362Now White Oak Operating Company LLC
Jul 15, 1999485885DrillJeffersonB. E. Quinn Gas Unit #19,200Final completion24532206Acquired from Aspect Resources LLC
May 17, 1999484546DrillJeffersonQuinn, B. E. et al Gas Unit #19,200—24532206Acquired from Esenjay Exploration, Inc