OPERATORS · TEXAS · P-5 NUMBER 368309

Hawthorn Energy Partners, LLC

WindowAll time 90 days 1 year 3 years 10 years

CountyMcMullen 38 Zavala 31 Dimmit 22 Karnes 20 Navarro 9 La Salle 7 Shelby 4 Frio 4 Duval 4 Hopkins 3

TypeDrill 45 Recompletion 11 Reenter 2 Field transfer 1

148 FILINGS · 118 PERMITS · PAGE 2 OF 3 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Apr 18, 2005	560655	Recompletion	Zavala	Pickens #1 HH	7,000	Spudded	50732455	—
Apr 18, 2005	560655Amendment	Recompletion	Zavala	Pickens Ranch #1 HH	7,000	Final completion	50732455	—
Mar 31, 2005	559780	Drill	McMullen	Peeler #C 6	5,600	Final completion	31133798	—
Mar 31, 2005	559779	Drill	McMullen	Peeler #C 5	6,500	Final completion	31133799	—
Mar 31, 2005	559777	Drill	McMullen	Tyler #A 2	6,500	Final completion	31133797	—
Nov 9, 2004	553490	Drill	McMullen	Peeler C #4	5,700	—	31133775	—
Nov 9, 2004	553490Amendment	Drill	McMullen	Peeler C #4	6,300	Final completion	31133775	—
Oct 21, 2004	552647	Drill	McMullen	Peeler C #3	6,500	Final completion	31133770	—
Sep 27, 2004	551213	Recompletion	Shelby	Boggy Creek 1044 #1HH	7,400	—	41930875	Acquired from Brown, Tom Inc.
Jul 28, 2004	548839	Drill	McMullen	Peeler C #2	6,500	Final completion	31133754	—
Jul 22, 2004	548634	Drill	Navarro	Irvine, Charles #2	10,500	Spudded	34934695	Now Atoka Energy LLC
Jul 22, 2004	548634Amendment	Drill	Navarro	Irvine, Charles #2	10,750	Final completion	34934695	Now Atoka Energy LLC
Apr 27, 2004	545025	Drill	McMullen	Countiss #3	6,100	Spudded	31133747	—
Apr 27, 2004	545025Amendment	Drill	McMullen	Countiss #3	6,100	Final completion	31133747	—
Apr 16, 2004	544548	Drill	McMullen	Marcus #1	6,300	Final completion	31133746	—
Mar 30, 2004	543846	Drill	McMullen	Peeler "C" #1	6,500	Final completion	31133740	—
Nov 3, 2003	537818	Drill	Duval	Montemayor #1	7,650	Plugged dry hole (P&A)	13138660	—
Aug 22, 2003	535141	Drill	Shelby	Boggy Creek 1044 #1HH	7,400	Final completion	41930875	Acquired from Brown, Tom Inc.
Jul 28, 2003	534273	Recompletion	McMullen	Harris, Martin R. et Al #10	5,900	Final completion	31131872	—
Jul 28, 2003	534272	Recompletion	McMullen	Harris, Martin R. et Al #15	6,250	—	31132162	—
Feb 19, 2003	528624	Drill	McMullen	Peeler, Graves Estate #A 2	3,500	Plugged dry hole (P&A)	31133681	—
Feb 13, 2003	528307	Drill	McMullen	Graves Peeler Estate #A 1	6,500	Plugged dry hole (P&A)	31133680	—
Nov 12, 2002	525404	Recompletion	Dimmit	Frost National Bank #691	9,000	—	12733056	Acquired from Double J Operating Company, Inc.
Oct 17, 2002	524600	Drill	Navarro	Grantham Heirs #3	8,500	—	34934666	—
Jun 20, 2002	521221	Drill	McMullen	Tyler Unit #1	6,500	—	31133667	—
Jun 20, 2002	521221Amendment	Drill	McMullen	Tyler "A" #1	6,500	Final completion	31133667	—
Sep 14, 2001	513610	Drill	Shelby	Boggy Creek 151 #1H	7,500	Spudded	41930811	Acquired from Brown, Tom Inc.
Sep 14, 2001	513610Amendment	Drill	Shelby	Boggy Creek 151 #1H	7,500	Final completion	41930811	Acquired from Brown, Tom Inc.
Jun 21, 2001	510544	Drill	Navarro	Montgomery #1	8,500	—	34934651	—
Jun 14, 2001	510310	Drill	Navarro	Nicholson #1	4,000	Plugged dry hole (P&A)	34934647	—
Jun 14, 2001	510308	Drill	Navarro	Nicholson #4	4,000	—	34934648	—
Jun 14, 2001	510307	Drill	Navarro	Jackson #1	4,000	Plugged dry hole (P&A)	34934646	—
Jun 12, 2001	509525	Recompletion	Navarro	Grantham Heirs #2	8,533	Final completion	34934597	Now Atoka Energy LLC
Mar 27, 2001	507065	Drill	Colorado	Labay #1	7,000	Final completion	08932292	Acquired from Ceniza Petroleum, Inc.
Jan 31, 2001	504796Amendment	Drill	Navarro	Irvine, Charles #1	11,500	Final completion	34934638	Now Atoka Energy LLC
Jan 29, 2001	504380	Reenter	Dimmit	Brooks M. Heitz -a- Unit #1H	6,230	—	12732976	Acquired from Double J Operating Company, Inc.
Jan 29, 2001	504380Amendment	Reenter	Dimmit	Heitz, Brooks M. #1	9,000	—	12732976	Acquired from Double J Operating Company, Inc.
Sep 15, 2000	499694	Drill	McMullen	Countiss #1	6,000	Final completion	31133620	Acquired from Ceniza Petroleum, Inc.
Jun 19, 2000	496199	Reenter	Zavala	Lasiter, Hubert #1H	9,910	Final completion	50732406	Acquired from Double J Operating Company, Inc.
Aug 13, 1999	486575	Reenter	Dimmit	Frost National Bank #691H	6,619	Final completion	12733056	Acquired from Double J Operating Company, Inc.
May 21, 1999	484597	Reenter	Zavala	R. M. Gregg Unit #1H	6,441	Final completion	50732318	Acquired from Double J Operating Company, Inc.
May 20, 1999	484598	Reenter	Zavala	Lasiter, Hubert -A- #2H	6,743	Final completion	50732464	Acquired from Double J Operating Company, Inc.
Feb 2, 1999	482287	Reenter	Zavala	Heitz, B. M. #1H	6,250	Final completion	50732257	Acquired from Double J Operating Company, Inc.
Jan 29, 1999	482288	Reenter	Zavala	Lasiter, Hubert -A- #1H	6,500	Final completion	50732413	Acquired from Double J Operating Company, Inc.
Jul 17, 1998	477871	Recompletion	McMullen	Harris, Martin R. et Al #17	5,795	—	31132329	Acquired from Delray Oil, Inc.
Dec 23, 1996	456448	Drill	Hemphill	Shell Fee 25 #2	13,750	Final completion	21132195	Acquired from Southwestern Energy Prod. Co.
Aug 1, 1996	450936	Drill	Hemphill	Shell Fee 19 #1	13,750	Final completion	21132172	Acquired from Southwestern Energy Prod. Co.
May 20, 1996	448269	Drill	Dimmit	Wilson Unit #1H	7,500	Spudded	12733089	Acquired from Union Pacific Resources Company
May 20, 1996	448269Amendment	Drill	Dimmit	Wilson Unit #1H	7,500	Final completion	12733089	Acquired from Union Pacific Resources Company
Apr 17, 1996	447124	Drill	Dimmit	Eardley #1H	7,100	Spudded	12733085	Acquired from Union Pacific Resources Company