OPERATORS · TEXAS · P-5 NUMBER 54700

Bass Enterprises Production Co.

WindowAll time 90 days 1 year 3 years 10 years

CountyWinkler 89 Hockley 45 Lavaca 42 San Patricio 16 Wharton 15 McMullen 12 Starr 6 Crockett 6 Brooks 5 Fort Bend 5

273 PERMITS · PAGE 1 OF 6 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Sep 26, 2006	625978	Recompletion	Winkler	Walton, J. B. #9343	5,100	Final completion	49531420	Now Hilcorp Energy Company
Sep 14, 2006	625853	Recompletion	Andrews	University 38 BQ #1	13,000	—	00339382	Now Ovintiv USA Inc.
Sep 12, 2006	621176	Recompletion	Hockley	S. A. Slaughter "B" #43HH	5,004	Final completion	21901655	Now Hilcorp Energy Company
Sep 12, 2006	621175	Recompletion	Hockley	Sun-Denton #7H	4,976	Final completion	21901655	Now Hilcorp Energy Company
Sep 12, 2006	621038	Recompletion	Hockley	S.A. Slaughter "B" #38HH	4,987	Final completion	21901654	Now Hilcorp Energy Company
Sep 12, 2006	620932	Recompletion	Hockley	Slaughter (San Andres) Tr. 20 #25HH	5,023	Final completion	21932646	Now Hilcorp Energy Company
Sep 12, 2006	620929	Recompletion	Hockley	Slaughter, R.L. Jr TR 33 #41AH	5,023	Final completion	21932646	Now Hilcorp Energy Company
May 11, 2006	615249	Recompletion	Winkler	Keystone Holt Unit #9356HH	6,000	Final completion	49532759	Now Basin Oil & Gas Operating LLC
May 11, 2006	615248	Recompletion	Winkler	Keystone Holt Unit #253HH	6,000	Final completion	49503693	Now Basin Oil & Gas Operating LLC
Apr 20, 2006	613177	Recompletion	Hockley	Sun Denton #6H	4,987	—	21901654	Now Hilcorp Energy Company
Apr 20, 2006	613177	Recompletion	Hockley	Sun Denton #6H	4,987	Final completion	21901654	Now Hilcorp Energy Company
Mar 6, 2006	615260	Recompletion	Fort Bend	George Ranch #16	12,500	Final completion	15732346	Now Lakeshore Operating LLC
Oct 10, 2005	607592	Recompletion	Fort Bend	George Ranch EY-1 Gas Unit #17	12,300	Final completion	15732286	Now Lakeshore Operating LLC
May 19, 2005	600814	Recompletion	Reeves	Texaco Minerals #1	15,330	—	38932225	Now XTO Energy Inc.
Mar 8, 2005	558526	Recompletion	Winkler	Jenkins, B.F. et al (Deep) #3	10,300	Final completion	49501841	Now XTO Energy Inc.
Sep 13, 2004	550311	Recompletion	Winkler	Mrs M.J. Hill #1	12,150	Final completion	49503392	Now Hilcorp Energy Company
Aug 26, 2004	550115	Recompletion	Winkler	Stanolind-B,hill,m.f.-Mitchell G #1	12,401	—	49504108	Now Hilcorp Energy Company
Aug 26, 2004	550115	Recompletion	Winkler	Stanolind-B,hill,m.f.-Mitchell G #1	12,401	Final completion	49504108	Now Hilcorp Energy Company
Jul 21, 2004	548543	Recompletion	Lavaca	Bonorden Gas Unit #3UT	10,604	Final completion	28532500	Now Capital Star Oil & Gas Inc.
Apr 8, 2004	544152	Recompletion	Winkler	J. B. Walton #9342	5,100	Final completion	49531419	Now Hilcorp Energy Company
Dec 29, 2003	540135	Recompletion	Winkler	Jenkins, Ben et al A #15	3,640	Final completion	49531103	Now XTO Energy Inc.
Dec 29, 2003	540134	Recompletion	Winkler	Walton, J B #95	3,560	Final completion	49531009	Now XTO Energy Inc.
Dec 18, 2003	539848	Recompletion	Winkler	Pan AM B Hill Mitchell TR 2 #7	12,100	Final completion	49531248	Now XTO Energy Inc.
Dec 18, 2003	539847	Recompletion	Winkler	Baird W. E. #13	10,665	Final completion	49503675	Now Hilcorp Energy Company
Aug 20, 2003	535370	Recompletion	Lavaca	Neuhaus Unit #3	9,213	Final completion	28531312	Now Capital Star Oil & Gas Inc.
Jul 15, 2003	534005	Recompletion	San Patricio	Portland Gas Unit "B" #1	10,954	Side one multi completion	40920119	Now Sulphur River Exploration Inc.
Jun 25, 2003	533502	Recompletion	Winkler	M. J. Hill Acct 3 #9	11,940	Final completion	49503872	Now Hilcorp Energy Company
Apr 11, 2003	530390	Recompletion	San Patricio	Portland Gas Unit "D" #2	11,860	Side one multi completion	40931560	Now Sulphur River Exploration Inc.
Apr 9, 2003	530317	Recompletion	Lavaca	Neuhaus Unit #3	9,213	Final completion	28531312	Now Capital Star Oil & Gas Inc.
Apr 3, 2003	530196	Recompletion	Hockley	Lauhoff, L. L. #9H	5,057	Final completion	21933036	Now Hilcorp Energy Company
Mar 12, 2003	529482	Recompletion	Hockley	Hefner, R. A. #9H	5,070	Final completion	21900069	Now Hilcorp Energy Company
Mar 11, 2003	529443	Recompletion	Lavaca	Bonorden Gas Unit #2	9,500	Final completion	28532125	Now Capital Star Oil & Gas Inc.
Mar 4, 2003	528906	Recompletion	Hockley	Barry Unit #8H	5,048	Final completion	21903208	Now Hilcorp Energy Company
Mar 4, 2003	528903	Recompletion	Hockley	Barry Unit #2H	5,038	Final completion	21903209	Now Hilcorp Energy Company
Feb 28, 2003	528892	Recompletion	Hockley	Hefner, R. A. #8H	5,064	Final completion	21900068	Now Hilcorp Energy Company
Feb 12, 2003	528331	Recompletion	Hockley	Slaughter, R. L. Jr. C #8H	5,083	Final completion	21901721	Now Hilcorp Energy Company
Feb 12, 2003	528153	Recompletion	Winkler	Bashara, M. J. #69 W	4,700	Final completion	49531700	Now Hilcorp Energy Company
Feb 7, 2003	528156	Recompletion	Winkler	J. B. Walton #109W	4,600	Final completion	49531806	Now Hilcorp Energy Company
Jan 24, 2003	527687	Recompletion	Hockley	R. L. Slaughter Jr. TR 47 #34H	5,055	Final completion	21901749	Now Hilcorp Energy Company
Jan 24, 2003	527686	Recompletion	Hockley	S. A. Slaughter "B" #30H	5,082	Final completion	21901801	Now Hilcorp Energy Company
Jan 22, 2003	527597	Recompletion	Brooks	El Coyote "C" #13	12,150	—	04731686	—
Jan 2, 2003	526605	Recompletion	Winkler	Bashara, M. J. #35	4,609	—	49503711	Now Hilcorp Energy Company
Jan 2, 2003	526605	Recompletion	Winkler	Bashara, M. J. #35	4,609	Final completion	49503711	Now Hilcorp Energy Company
Jun 24, 2002	521281	Recompletion	Fort Bend	George Ranch #4	11,995	Final completion	15732147	Now Lakeshore Operating LLC
Jun 13, 2002	520951	Recompletion	Fort Bend	George Ranch #5	13,395	Final completion	15732166	Now Lakeshore Operating LLC
Mar 28, 2002	518605	Recompletion	Fort Bend	George Ranch #3	11,870	Final completion	15732148	Now Lakeshore Operating LLC
Jul 31, 2001	512084	Recompletion	Hockley	Slaughter, S. A. "B" #33H	5,025	—	21901803	Now Hilcorp Energy Company
Jul 31, 2001	512083	Recompletion	Hockley	Slaughter, S. A. B #13H	5,040	—	21901783	Now Hilcorp Energy Company
Jul 31, 2001	512083	Recompletion	Hockley	Slaughter, S. A. B #13H	5,040	Final completion	21901783	Now Hilcorp Energy Company
Jul 31, 2001	512082	Recompletion	Hockley	Slaughter, S. A. "B" #37H	5,000	Final completion	21901641	Now Hilcorp Energy Company