OPERATORS · TEXAS · P-5 NUMBER 819004

Sterling Energy, Inc.

6 PERMITS · PAGE 1 OF 1 · BY ISSUE DATE

IssuedPermitTypeCountyLease / wellDepthStatusAPIOperator change
Mar 8, 2007634510DrillPanolaLatham Estates #37,000Final completion36536534Now Hoell Operating LLC
Mar 3, 2005558396DrillMustang IS-LBSt. Tr. 746-L #215,000—70230272—
Feb 28, 2005558189DrillMustang IS-LBSt TR 749-L Gas Unit #315,000—70230270—
Feb 28, 2005558188DrillMustang IS-LBSt TR 749-L Gas Unit #211,500Final completion70230271—
Jul 1, 1983200115DrillMustang IS-SBState Tract 903-S #111,000Final completion60230144Acquired from HNG Fossil Fuels Company
May 15, 197824200DrillMatgrda IS-LBState Tract 520-L, SE/4 #213,700—70330148Acquired from Corpus Christi Oil & Gas Co.