OPERATORS · TEXAS · P-5 NUMBER 881585

Vanguard Operating, LLC

WindowAll time 90 days 1 year 3 years 10 years

CountyCoke 21 Atascosa 8 Terry 5 Jefferson 4 Pecos 4 Reeves 4 Ward 3 Gaines 3 Howard 3 Martin 3

63 FILINGS · 55 PERMITS · PAGE 1 OF 2 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Sep 25, 2026	918557	Reenter	Coke	Sallie Odom 'F' #101	5,700	—	08131630	Acquired from L.C.S. Production Company
Sep 23, 2026	918453	Reenter	Coke	Sallie Odom 'F' #50	5,700	—	08100448	Acquired from L.C.S. Production Company
Apr 26, 2024	899176	Reenter	Coke	Sallie Odom 'F' #101	5,700	—	08131630	Acquired from L.C.S. Production Company
Apr 23, 2024	899072	Reenter	Coke	Sallie Odom 'F' #50	5,700	—	08100448	Acquired from L.C.S. Production Company
Apr 23, 2024	899072Amendment	Reenter	Coke	Sallie Odom 'F' #50	5,700	—	08100448	Acquired from L.C.S. Production Company
Apr 19, 2024	898888	Reenter	Coke	Sallie Odom 'F' #98	5,640	—	08131361	Acquired from L.C.S. Production Company
Apr 19, 2024	898888Amendment	Reenter	Coke	Sallie Odom Unit #98	5,640	—	08131361	Acquired from L.C.S. Production Company
Nov 13, 2017	825171	Recompletion	Andrews	H. R. Cope #1R	9,700	Final completion	00335721	Now Crescent Energy Operating LLC
Apr 21, 2017	825172	Recompletion	Andrews	Peay, Tom #11	9,650	—	00335595	Now Crescent Energy Operating LLC
Aug 18, 2016	817673	Recompletion	De Witt	Clark Gas Unit #1	12,000	—	12332050	Now Petrovybe Opco LLC
Aug 17, 2016	817672	Recompletion	De Witt	Green Gas Unit #1	12,433	—	12332081	Now Chandler Oil & Gas LLC
Aug 14, 2012	744241	Recompletion	Reeves	Spencer '33' #1	12,500	Final completion	38932076	Acquired from Eagle Rock Operating Company,llc
Nov 3, 2008	671546	Reenter	Howard	Quinn 35 #1D	10,470	Final completion	22735028	Acquired from Blue Ridge Resources, LLC
Oct 21, 2005	608205	Drill	Atascosa	Augustin Orta #17	6,200	Spudded	01334204	Acquired from Redman Operating Company
Oct 21, 2005	608205Amendment	Drill	Atascosa	Orta, Augustin #17	6,200	Final completion	01334204	Acquired from Redman Operating Company
Sep 29, 2004	551571	Drill	Howard	Quinn #1	10,500	Final completion	22735903	Acquired from Terrace Petroleum Corporation
Feb 23, 2004	542343	Recompletion	Atascosa	Nixon-Steinle #2	7,275	Final completion	01301970	Acquired from Mobil Producing TX. & N.M. Inc.
Nov 5, 2003	538215	Drill	Gaines	Higginbotham #2	12,800	Final completion	16536054	Acquired from Permian Resources, Inc.
Aug 12, 2002	522565	Recompletion	Reeves	Spencer "33" #1H	13,000	Final completion	38932076	Acquired from Three-B Oil Company, The
Jun 24, 2002	521328	Recompletion	Atascosa	Nixon & Steinle #2	7,412	Final completion	01301970	Acquired from Mobil Producing TX. & N.M. Inc.
Apr 21, 1999	483941	Drill	Glasscock	Powell "2" #1	8,500	Final completion	17332965	Acquired from Range Production Company
Mar 8, 1999	483131	Recompletion	Jefferson	Hebert-Broussard -B- #1	10,892	Final completion	24531213	Acquired from Rutherford Oil Corporation
Mar 11, 1998	473848	Recompletion	Jefferson	Hebert-Broussard -B- #1	10,900	—	24531213	Acquired from Rutherford Oil Corporation
Mar 11, 1998	473848Amendment	Recompletion	Jefferson	Hebert-Broussard "B" #1	10,892	Final completion	24531213	Acquired from Rutherford Oil Corporation
May 30, 1997	463113	Drill	Coke	W. Ft. Chadbourne (Gray SD) Unit #33	5,900	—	08131743	Acquired from Pittencrieff America, Inc.
May 30, 1997	463113Amendment	Drill	Coke	Harris, J. W. #3	5,900	Final completion	08131743	Acquired from Pittencrieff America, Inc.
Oct 22, 1996	454195	Drill	Coke	W FT Chadbourne (Gray SD) UN #26	6,000	Final completion	08131725	Acquired from Pittencrieff America, Inc.
Oct 22, 1996	454194	Recompletion	Coke	W FT Chadbourne (Gray SD) Unit #21	5,658	Final completion	08131445	Acquired from Pittencrieff America, Inc.
Oct 21, 1996	451855	Recompletion	Atascosa	Orta, Augustin #2	7,280	Final completion	01301788	Acquired from Mobil Producing TX. & N.M. Inc.
Aug 23, 1996	451854	Drill	Atascosa	Orta, Augustin #4	7,397	Final completion	01301790	Acquired from Mobil Producing TX. & N.M. Inc.
Jul 29, 1996	450924	Recompletion	Coke	W FT Chadbourne (Gray SD) Unit #19	5,629	Final completion	08131361	Acquired from Pittencrieff America, Inc.
Mar 20, 1996	445922	Drill	Howard	Quinn 35 #1	10,800	Plugged dry hole (P&A)	22735028	Acquired from Thompson, J. Cleo
Nov 21, 1995	442155	Recompletion	Coke	Chadbourne, W. Ft. (Gray Sand) #25	5,700	Final completion	08131630	Acquired from Pittencrieff America, Inc.
Oct 2, 1995	440413	Reenter	Reeves	Cleveland, Reese "29" #1	13,080	Final completion	38930263	Acquired from Lbo Energy, Inc.
Sep 23, 1994	428288	Drill	Reeves	Spencer "33" #1	13,300	Final completion	38932076	Acquired from Lbo Energy, Inc.
Mar 30, 1994	422559	Drill	Coke	W. Ft. Chadbourne (Gray Sand) #25	6,000	—	08131630	Acquired from Pittencrieff America, Inc.
Mar 30, 1994	422559Amendment	Drill	Coke	Sallie Odom F Unit NO.3 * #101	6,000	—	08131630	Acquired from Pittencrieff America, Inc.
Mar 30, 1994	422559Amendment	Drill	Coke	Sallie Odom F Unit No. 3 #101	5,450	Final completion	08131630	Acquired from Pittencrieff America, Inc.
Aug 2, 1989	362033	Recompletion	Coke	Johnson #6	6,845	—	08130112	Acquired from Navajo Oil & Gas
Jun 19, 1987	329789	Drill	Coke	Odom, Sallie "F" #100	5,800	Final completion	08131445	Acquired from Exxon Corp.
Sep 17, 1986	320696	Recompletion	Atascosa	Orta, Augustin #2	7,280	Final completion	01301788	Acquired from Mobil Producing TX. & N.M. Inc.
Aug 13, 1986	305218	Recompletion	Atascosa	Orta, Augustin #4	7,397	Final completion	01301790	Acquired from Mobil Producing TX. & N.M. Inc.
Apr 25, 1986	301488	Other	Ward	Dorr, Erma #1	6,200	Final completion	47503158	Acquired from Three-B Oil Company, The
Feb 24, 1986	298320	Drill	Ward	Americas #2	7,500	Final completion	47533734	Acquired from Three-B Oil Company, The
Dec 27, 1985	294625	Drill	Ward	Americas #1	10,500	Final completion	47533718	Acquired from Three-B Oil Company, The
Oct 16, 1985	287602	Drill	Coke	Odom, Sallie F. #98	5,700	Final completion	08131361	Acquired from Exxon Corp.
Oct 16, 1985	287602Amendment	Drill	Coke	Sallie Odom "F" Unit No. 3 #98	5,629	—	08131361	Acquired from Exxon Corp.
Sep 5, 1985	284080	Drill	Coke	W. Ft. Chadbourne (Gray SD) Unit #19	5,700	Long string casing	08131361	Acquired from Exxon Corp.
Feb 24, 1983	188226	Drill	Pecos	Credo-Olix #4	3,800	Final completion	37134210	Acquired from Three-B Oil Company, The
May 14, 1982	160813	Drill	Martin	Nichols Unit #1	8,800	Final completion	31732500	Acquired from Tamarack Petroleum Company, Inc.