OPERATORS · TEXAS · P-5 NUMBER 169313

Columbus Energy, LLC

7 FILINGS · 6 PERMITS · PAGE 1 OF 1 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
May 7, 2001	508650	Drill	Zapata	Guadalupe #1	9,000	Final completion	50534343	Acquired from Key Energy of Colorado, Inc.
Apr 24, 1995	435199	Drill	Zapata	Briones, J. E. "B" #6	8,900	Final completion	50533309	Acquired from Columbus Energy Corp.
Jan 11, 1995	431739	Drill	Zapata	Briones, J.E. "A" #5	8,900	Final completion	50533276	Acquired from Columbus Energy Corp.
Dec 30, 1993	419698	Drill	Zapata	Briones, J.E. "A" #4	8,900	Final completion	50533143	Acquired from Columbus Energy Corp.
Dec 30, 1993	419698Amendment	Drill	Zapata	Briones, J.E. "A" #4	8,900	—	50533143	Acquired from Columbus Energy Corp.
Aug 31, 1993	415387	Drill	Zapata	Briones, J.E. "A" #2	9,200	Final completion	50533079	Acquired from Columbus Energy Corp.
Aug 3, 1978	29865	Drill	Zapata	Martinez, B. M. et al Unit #1	8,400	Spudded	50531033	Acquired from Consolidated Oil & Gas, Inc.