OPERATORS · TEXAS · P-5 NUMBER 712156

Riley Exploration, LLC

WindowAll time 90 days 1 year 3 years 10 years

CountyKarnes 24 La Salle 17 Dimmit 11 Lee 10 Gonzales 7 Zavala 4 Wilson 2 Harris 1 Frio 1 De Witt 1

80 FILINGS · 61 PERMITS · PAGE 2 OF 2 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Jul 22, 2010	699326Amendment	Drill	La Salle	Cox #1HH	8,500	Final completion	28332313	Now Silver Hill Energy Operating LLC
Jul 13, 2010	698821	Drill	Karnes	Bednorz #1HH	11,500	Final completion	25531704	Now Silver Hill Energy Operating LLC
Jul 8, 2010	698663	Drill	De Witt	D & S #1HH	13,200	Final completion	12332344	Now Silver Hill Energy Operating LLC
Jun 22, 2010	697843	Drill	La Salle	Joey Smith #3HH	8,000	Spudded	28332295	Now Silver Hill Energy Operating LLC
Jun 22, 2010	697843Amendment	Drill	La Salle	Joey Smith #3HH	8,000	Final completion	28332295	Now Silver Hill Energy Operating LLC
May 6, 2010	695502	Drill	Karnes	Christine #1HH	11,000	Final completion	25531675	Now Silver Hill Energy Operating LLC
May 3, 2010	695306	Drill	Karnes	Peterson #1HH	11,200	Spudded	25531674	Now Gulftex Energy LLC
May 3, 2010	695306Amendment	Drill	Karnes	Peterson #1HH	11,200	Spudded	25531674	Now Gulftex Energy LLC
May 3, 2010	695306Amendment	Drill	Karnes	Peterson #1HH	11,200	Final completion	25531674	Now Gulftex Energy LLC
Apr 7, 2010	693944	Drill	La Salle	Gonzales #1HH	15,000	Spudded	28332259	Now Silver Hill Energy Operating LLC
Apr 7, 2010	693944Amendment	Drill	La Salle	Gonzales #1HH	15,000	Final completion	28332259	Now Silver Hill Energy Operating LLC
Apr 1, 2010	693776	Drill	Gonzales	Koenning Unit #1HH	12,000	Final completion	17732094	Now Magnolia Oil & Gas Operating LLC
Feb 2, 2010	690527	Recompletion	Zavala	Burton O. George, Jr. #1H	6,650	—	50732281	Now Silver Hill Energy Operating LLC
Feb 2, 2010	690527Amendment	Recompletion	Zavala	Burton O. George, Jr. #1H	7,000	Final completion	50732281	Now Silver Hill Energy Operating LLC
Jan 27, 2010	690328	Reenter	La Salle	Milton C. Smith #1RE	7,820	Plugged dry hole (P&A)	28330311	Now Petromark Resources Company
Aug 24, 2009	684328	Drill	Harris	Brewer #1VR	8,600	Final completion	20132830	Now U. D. Man Inc.
Jun 26, 2008	664126	Recompletion	La Salle	Martindale #1	6,560	Final completion	28332011	Acquired from Alamo Operating Company, L. C.
Jun 2, 2008	663451Amendment	Drill	Cherokee	Mina #1A	5,200	Final completion	07331363	Now Wmo Oil LLC
Jun 28, 2007	640928	Reenter	Dimmit	Kinnard #1REH	7,500	Final completion	12733028	Acquired from Emerald Operating Company, Inc.
Mar 7, 2007	634462	Drill	La Salle	Martindale #1	7,500	Final completion	28332011	Acquired from Alamo Operating Company, L. C.
Jan 20, 2006	612748	Recompletion	Dimmit	Standifer-Stone Unit #2H	7,200	—	12732896	Acquired from Emerald Operating Company, Inc.
May 20, 2004	542462	Recompletion	Lee	Droemer et al, Townsite #1HH	8,500	—	28730361	Acquired from Atkinson Energy Corporation
Apr 29, 1998	475277	Recompletion	Lee	Droemer, W. et al Townsite #1H	10,250	Final completion	28730361	Acquired from Morris, W. Dale Inc.
Jan 25, 1994	420545	Drill	San Patricio	Dycas, Louna #1	2,600	Final completion	40932438	Acquired from Averill, W. M. Inc.
Nov 7, 1991	393769	Other	Dimmit	Standifer-Stone #2H	7,040	Final completion	12732896	Acquired from Oryx Energy Company
Jul 12, 1991	389848	Drill	Dimmit	Kinnard et al Unit #1H	9,800	Final completion	12733028	Acquired from Oryx Energy Company
Jun 11, 1990	374395	Drill	Dimmit	Standifer-Stone #2H	10,800	Final completion	12732896	Acquired from Oryx Energy Company
Feb 6, 1990	369520	Drill	Dimmit	Standifer #1H	9,600	—	12732848	Acquired from Oryx Energy Company
Feb 6, 1990	369520Amendment	Drill	Dimmit	Standifer #1H	10,200	Final completion	12732848	Acquired from Oryx Energy Company
Jun 23, 1978	27403	Drill	Lee	Droemer et al, Townsite #1	8,200	Long string casing	28730361	Acquired from Houston Oil & Minerals Corp.