OPERATORS · TEXAS · P-5 NUMBER 179243

Cornerstone Exploration, Inc.(a)

2 PERMITS · PAGE 1 OF 1 · BY ISSUE DATE

IssuedPermitTypeCountyLease / wellDepthStatusAPIOperator change
Dec 4, 1990381902RecompletionGonzalesGraves Unit # 1 #1H8,865—17730633—
Sep 25, 198093821DrillGonzalesGraves #18,800Final completion17730633Acquired from Tipperary Oil & Gas Corporation