OPERATORS · TEXAS · P-5 NUMBER 825462

Stratco Operating Co., Inc.

WindowAll time 90 days 1 year 3 years 10 years

CountyLavaca 14 Matagorda 11 Frio 10 Pecos 5 Wharton 5 Gaines 5 Jefferson 4 De Witt 4 Live Oak 3 Jack 2

79 FILINGS · 64 PERMITS · PAGE 1 OF 2 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Jan 29, 2008	653968	Reenter	Winkler	A. G. Hill #1	15,000	Spudded	49530914	Now Matador Production Company
Oct 22, 2007	647992	Recompletion	Pecos	Spears Gas Unit #1	21,840	—	37130721	Now Lakehills Production Inc.
Oct 22, 2007	647992Amendment	Recompletion	Pecos	Spears Gas Unit #1	21,840	—	37130721	Now Lakehills Production Inc.
Aug 30, 2007	645129	Reenter	Pecos	Gomez West Gas Unit #1	22,820	Final completion	37130469	Now Lakehills Production Inc.
Jul 21, 2007	642265	Recompletion	Pecos	McKenzie, J F -State #1	11,800	Final completion	37110653	Now United Operating LLC
Sep 12, 2006	625752	Recompletion	Lavaca	Terry-Gott Gas Unit #2	7,500	Final completion	28530478	Acquired from Cavalier Oil & Gas, Inc.
Jun 15, 2006	621081	Drill	Lavaca	Gott "A" #1	3,200	Spudded	28533282	Acquired from Cavalier Oil & Gas, Inc.
Jun 15, 2006	621081Amendment	Drill	Lavaca	Gott "A" #1	3,200	Final completion	28533282	Acquired from Cavalier Oil & Gas, Inc.
Feb 10, 2006	613995	Reenter	Lavaca	Terry-Gott #1	2,300	—	28531685	Acquired from Cavalier Oil & Gas, Inc.
Feb 10, 2006	613995Amendment	Reenter	Lavaca	Terry-Gott #1D	2,869	Final completion	28531685	—
Feb 3, 2006	613538	Drill	Lavaca	Terry-Gutierrez Unit #2	2,000	Final completion	28533240	Acquired from Cavalier Oil & Gas, Inc.
Feb 3, 2006	613530	Reenter	Lavaca	Terry-Gott Unit #2	7,500	—	28530478	Acquired from Cavalier Oil & Gas, Inc.
Feb 3, 2006	613530Amendment	Reenter	Lavaca	Terry-Gott Unit #2	7,500	Final completion	28530478	Acquired from Cavalier Oil & Gas, Inc.
Feb 3, 2006	613527	Reenter	Lavaca	Gott #3	2,850	—	28500523	Acquired from Cavalier Oil & Gas, Inc.
Feb 3, 2006	613527Amendment	Reenter	Lavaca	Gott #3	2,850	Final completion	28500523	Acquired from Cavalier Oil & Gas, Inc.
Aug 2, 2005	604269	Drill	Lavaca	O. Terry #1	3,200	Final completion	28533183	Acquired from Cavalier Oil & Gas, Inc.
Apr 8, 2005	560186	Reenter	De Witt	Weischwill, M. W. #1	11,200	—	12331420	Acquired from Rockoil Energy of Texas, Inc.
Apr 5, 2005	559988Amendment	Drill	Bastrop	Koi Unit #1	3,750	Final completion	02131567	Now United Operating LLC
Jan 6, 2005	555809	Drill	Matagorda	Lewis-Roll #2R	6,800	—	32132041	—
Apr 14, 2003	530535	Drill	Matagorda	Hawkins Ranch #6	6,996	—	32131957	—
Jul 25, 2000	497510	Reenter	Gaines	Martin "R" #1	5,800	Plugged dry hole (P&A)	16533684	Acquired from Spiral Energy Corp
Jul 19, 2000	497396Amendment	Drill	Matagorda	Hawkins Ranch #5	6,996	—	32131836	—
Jun 29, 2000	496694	Reenter	Matagorda	Hawkins Ranch #3	6,996	—	32130874	Acquired from Gulfport Oil & Gas Inc.
Jun 29, 2000	496694Amendment	Reenter	Matagorda	Hawkins Ranch #3	5,800	Final completion	32130874	—
May 16, 2000	495089Amendment	Reenter	Matagorda	Hawkins Ranch #4	6,250	Final completion	32131484	Now Amrwr LLC
Apr 16, 1997	460945	Drill	De Witt	Srubar, Leon and Agnes Ledwik #1	9,000	Final completion	12331796	Acquired from Tenex Corporation
Oct 18, 1996	454047	Drill	Jackson	Washington, R. L. Est. #1	4,200	Final completion	23932923	Acquired from Westhall Associates, Inc.
Oct 3, 1996	453279	Reenter	Wharton	Harfst, G. H., Jr. No. 1 #1	4,398	Final completion	48132522	Acquired from Forrest Energy, LLC
Jun 8, 1994	424391	Recompletion	Matagorda	Lewis #1	6,500	Final completion	32131500	Acquired from French Production Incorporated
Feb 19, 1993	408690	Recompletion	Matagorda	Lewis #1	6,500	Final completion	32131500	Acquired from French Production Incorporated
Feb 16, 1993	409062	Drill	Lipscomb	Meyer #1	6,300	Final completion	29532111	Acquired from Unit Petroleum Company
Jan 15, 1993	408046	Recompletion	De Witt	Weischwell, M.W. #1	11,500	Final completion	12331420	Acquired from Snyder Oil Corporation
Dec 31, 1992	407700	Recompletion	Wise	Waggoner, Crystelle #3W	7,300	Final completion	49731697	Acquired from Waggoner, John S.
Dec 18, 1992	407234	Recompletion	Live Oak	Harris "N" #1	8,550	Final completion	29733377	Acquired from Bridge Oil Production Co., Inc.
Sep 21, 1992	403522	Drill	Galveston	Deats, Ella M. et Al #4	9,000	Unsuccessful workover	16731224	Acquired from Blue Ridge Operating Company,inc
Jul 28, 1992	401562	Recompletion	Gaines	Martin "R" #1	12,915	Final completion	16533684	Acquired from Marathon Oil Company
Jun 12, 1992	400002	Recompletion	Galveston	Andrues #3	3,650	—	16701998	Acquired from Blue Ridge Operating Company,inc
Jun 1, 1992	399500	Recompletion	Matagorda	Lewis #1	6,500	Final completion	32131500	Acquired from Zilkha Energy Company
May 29, 1992	399761	Drill	Wilson	Copeland #1H	8,500	Final completion	49332359	Acquired from United Oil & Minerals, Inc.
Apr 8, 1992	397123	Recompletion	Frio	Morris Trust #1H	7,000	—	16332714	Acquired from Magnum Petroleum, Inc.
Apr 8, 1992	397123Amendment	Recompletion	Frio	Morris Trust #1H	9,292	Final completion	16332714	Acquired from Magnum Petroleum, Inc.
Jan 29, 1992	396013	Drill	Yoakum	M E C #1	5,450	Final completion	50133767	Acquired from Brady, W. Production, Inc.
Jan 22, 1992	393186	Recompletion	Martin	Richards #1	11,316	Final completion	31733182	Acquired from Geodyne Operating Company
Jul 9, 1991	389724	Drill	Frio	Johnson #1H	5,800	Spudded	16333084	Acquired from Clear Fork, Incorporated
Jul 9, 1991	389724Amendment	Drill	Frio	Johnson #1H	5,570	Final completion	16333084	Acquired from Clear Fork, Incorporated
Jan 2, 1991	382994	Drill	Frio	Mann "B" #1H	5,700	—	16332966	Acquired from H.L.S. Energy Co., Inc.
Jan 2, 1991	382994Amendment	Drill	Frio	Mann "B" #1H	5,700	Final completion	16332966	Acquired from H.L.S. Energy Co., Inc.
Jan 2, 1991	382994Amendment	Drill	Frio	Mann "B" #1H	5,700	—	16332966	Acquired from Standard American Operating Co.
Dec 18, 1990	382494	Drill	Jefferson	Wilber #1 R	13,000	Final completion	24532020	Acquired from Pacific Enterprises Oil Co.(usa)
Jul 13, 1990	375483	Drill	Frio	Mills, J. C. #4H	6,350	Final completion	16330288	Acquired from Flournoy Production Co.