OPERATORS · TEXAS · P-5 NUMBER 102406

Iron Ridge Operating, LLC

5 FILINGS · 3 PERMITS · PAGE 1 OF 1 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Jul 10, 2007	641335	Drill	Polk	Blackstone Minerals A-917 #1HH	12,500	Spudded	37331095	Acquired from Devon Energy Production Co, L.P.
Jul 10, 2007	641335Amendment	Drill	Polk	Blackstone Minerals A-917 #1HH	12,500	—	37331095	Acquired from Devon Energy Production Co, L.P.
Jul 10, 2007	641335Amendment	Drill	Polk	Blackstone Minerals A-917 #1HH	12,500	Final completion	37331095	Acquired from Devon Energy Production Co, L.P.
May 22, 2007	638867	Drill	Polk	SPM A-2 #1HH	13,000	Final completion	37331090	Acquired from Devon Energy Production Co, L.P.
Apr 1, 1997	457459	Drill	Polk	Bonetti, Louise #2	13,250	Final completion	37330855	Acquired from Mitchell Energy Corporation