OPERATORS · TEXAS · P-5 NUMBER 676010

Precision Operating Inc.

2 PERMITS · PAGE 1 OF 1 · BY ISSUE DATE

Issued	Permit	Type	County	Lease / well	Depth	Status	API	Operator change
Sep 14, 1983	212377	Recompletion	Grayson	Robertson-Bluestem #1	9,557	Final completion	18130869	Now Charter Oak Production Co. LLC
May 12, 1983	194647	Recompletion	Grayson	Shankles #1	9,150	Final completion	18130871	—