OPERATORS · TEXAS · P-5 NUMBER 911802

Western Chief Oil & Gas Company

WindowAll time 90 days 1 year 3 years 10 years

CountyJack 143 Denton 83 Young 26 Wise 24 Parker 23 Palo Pinto 12 Throckmorton 7 Montague 5 Gaines 4 Johnson 4

TypeDrill 286 Other 15 Recompletion 13 Reenter 5 Reclass 2

348 FILINGS · 330 PERMITS · PAGE 2 OF 7 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Nov 5, 2004	553253	Drill	Parker	Wingate #1 HH	7,000	Final completion	36733611	—
Oct 14, 2004	552280	Drill	Wise	Kennemer #1 HH	7,000	Final completion	49735705	Now Western Chief Operating L.L.C.
Sep 23, 2004	550846	Drill	Wise	Garland #2	8,000	Final completion	49735686	Now Rhyne J.V.
Sep 7, 2004	550538	Drill	Wise	Garland #1	8,000	Final completion	49735674	Now Rhyne J.V.
Jul 28, 2004	548756	Drill	Denton	Christian #4HH	9,400	Final completion	12132374	Now Eagleridge Operating LLC
Jul 23, 2004	548681	Drill	Denton	Schertz #1 HH	9,200	Final completion	12132373	Now Western Chief Operating L.L.C.
Jul 21, 2004	548443	Drill	Denton	Poe-Mann #4	7,000	Final completion	12132368	Now Western Chief Operating L.L.C.
Feb 3, 2004	541129	Drill	Wise	Austin #2HH	9,000	Final completion	49735519	Now Eagleridge Operating LLC
Jan 30, 2004	541442	Drill	Denton	Poe-Mann #3	7,000	Final completion	12132237	Now Western Chief Operating L.L.C.
Dec 23, 2003	540085	Drill	Wise	Austin #1	8,000	Final completion	49735489	Now Eagleridge Operating LLC
Nov 14, 2003	538427	Drill	Wise	Ferguson, Crown #1	9,000	Unperforated completion	49735444	Now Eagleridge Operating LLC
Nov 14, 2003	538426	Drill	Wise	Ferguson, Crown #3	9,000	Unperforated completion	49735443	Now Eagleridge Operating LLC
Nov 14, 2003	538425	Drill	Wise	Ferguson, Crown #2	9,000	Unperforated completion	49735442	Now Eagleridge Operating LLC
Sep 8, 2003	535958	Drill	Denton	Shepard #1	9,500	Final completion	12132081	Now Eagleridge Operating LLC
Sep 5, 2003	535960	Drill	Denton	Shepard #3	9,500	Final completion	12132082	Now Eagleridge Operating LLC
Aug 27, 2003	535803	Drill	Denton	Shepard #2	9,500	Final completion	12132073	Now Eagleridge Operating LLC
Aug 27, 2003	535802	Drill	Denton	Christian #3	9,500	Final completion	12132074	Now Eagleridge Operating LLC
Aug 8, 2003	535094	Drill	Denton	Christian #2	9,000	Unperforated completion	12132037	Now Eagleridge Operating LLC
Aug 4, 2003	534908	Drill	Denton	Christian #1	9,000	Final completion	12132033	Now Eagleridge Operating LLC
Aug 4, 2003	534907	Drill	Denton	Cox Unit #2	9,000	Unperforated completion	12132032	Now BKV Barnett LLC
Jul 16, 2003	534252	Drill	Denton	Yvonne Green Unit #1	9,000	Final completion	12132007	Now BKV Barnett LLC
Jul 10, 2003	533998	Drill	Denton	Harris #2	9,500	Unperforated completion	12132002	Now Eagleridge Operating LLC
Jun 10, 2003	532973	Drill	Denton	Harris #1	9,000	Unperforated completion	12131982	Now Vantage Fort Worth Energy LLC
May 13, 2003	531871	Drill	Denton	Crown - Harris Angel JV #3	9,000	—	12131942	Now Eagleridge Operating LLC
May 13, 2003	531871Amendment	Drill	Denton	Harris #3	9,500	Unperforated completion	12131942	Now Eagleridge Operating LLC
Apr 16, 2003	530802	Drill	Denton	Crown Neilson Porter Unit #1	9,000	Final completion	12131905	Now Eagleridge Operating LLC
Apr 3, 2003	530267	Drill	Denton	Crown Nelson Unit #2	9,000	Final completion	12131889	Now Eagleridge Operating LLC
Mar 26, 2003	529973	Reenter	Jack	Marley-Parrish #2	3,300	—	23736048	Acquired from H & S Production, Inc.
Mar 10, 2003	529414	Drill	Denton	Crown Neilson Schrimpf JV #1 #3	9,000	Final completion	12131866	Now Eagleridge Operating LLC
Feb 10, 2003	528278	Drill	Denton	Crown Briscoe North #2	8,900	Final completion	12131817	Now Eagleridge Operating LLC
Feb 10, 2003	528277	Drill	Denton	Crown Briscoe North #1	8,900	Final completion	12131816	Now Eagleridge Operating LLC
Dec 27, 2002	526779	Drill	Denton	Crown-Riley JV #2 #6	9,500	Final completion	12131773	Now Eagleridge Operating LLC
Oct 30, 2002	525083	Drill	Denton	Crown-Riley #4	9,500	Final completion	12131717	Now Eagleridge Operating LLC
Oct 30, 2002	525082	Drill	Denton	Crown-Riley #5	9,500	Final completion	12131718	Now Eagleridge Operating LLC
Oct 17, 2002	524610	Drill	Denton	Crown-Riley Unit #3	9,500	Final completion	12131704	Now Eagleridge Operating LLC
Oct 17, 2002	524609	Drill	Denton	Crown-Riley Unit #1	9,500	Final completion	12131705	Now Eagleridge Operating LLC
Sep 24, 2002	523980	Drill	Denton	Crown-Riley Unit #2	9,500	Final completion	12131680	Now Eagleridge Operating LLC
Jun 5, 2002	520668	Drill	Jack	Kemp-Derrick Unit #1	5,700	Final completion	23738670	Now Oakridge Oil and Gas LP
May 3, 2002	519651	Drill	Denton	Briscoe #15	8,700	Final completion	12131529	Now Fairington Inc.
May 3, 2002	519650	Drill	Denton	Briscoe #14	8,700	Final completion	12131530	Now Fairington Inc.
Apr 17, 2002	519168	Drill	Denton	Briscoe #13	8,700	Final completion	12131509	Now Western Chief Operating L.L.C.
Apr 17, 2002	519167	Drill	Denton	Briscoe #12	8,700	Unperforated completion	12131510	Now Fairington Inc.
Feb 27, 2002	517814	Drill	Denton	McCutchin #1	9,000	Unperforated completion	12131428	Now Eagleridge Operating LLC
Feb 27, 2002	516851	Reenter	Wise	Renshaw-Bobo #1	7,800	Unperforated completion	49732207	Now Winfield Operating Company
Feb 11, 2002	517479	Drill	Denton	Mc Cutcchin #2	9,000	Final completion	12131416	Now Eagleridge Operating LLC
Dec 12, 2001	515431	Drill	Denton	Briscoe #11	8,999	Final completion	12131283	Now Fairington Inc.
Nov 21, 2001	515430	Drill	Denton	Briscoe #10	8,999	Final completion	12131282	Now Fairington Inc.
Nov 19, 2001	515424	Drill	Denton	Poe-Mann #2	8,000	Final completion	12131281	Now Western Chief Operating L.L.C.
Nov 16, 2001	515429	Drill	Denton	Briscoe #9	8,999	Final completion	12131280	Now Fairington Inc.
Nov 6, 2001	515075	Drill	Denton	Briscoe #8	8,999	Final completion	12131258	Now Fairington Inc.