ALLEE UNIT B

Oil · District 1 · Lease #15563

Operator: EXCO OPERATING COMPANY, LP

Cum Oil

319k BBL

Cum Gas

0 MCF

Wells

1

Production

2011-09 — 2026-03

Peak Month

2011-10

Production History

Cum Oil: 318,921 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

9,408 BBL/mo

Di (annual)

73.5%

b-factor

0.5

EUR

291,277 BBL

R-squared

0.756

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HCHESAPEAKE OPERATING, INC.19,0002011-02-07
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