OPERATORS · TEXAS · P-5 NUMBER 950472

Zachry Exploration, Ltd.

3 PERMITS · PAGE 1 OF 1 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Nov 4, 2005	609032	Drill	Polk	Blackstone #1R	3,000	Final completion	37331047	—
Jul 20, 2005	603650	Drill	Polk	Black Stone #1	2,500	Plugged dry hole (P&A)	37331038	—
Jul 20, 2005	603646	Drill	Polk	Duff #1	3,700	Plugged dry hole (P&A)	37331039	—