EAST TEXAS OIL COMPANY FEE "B"

Oil · District 03 · Lease #25499

Operator: MILESTONE OPERATING, INC.

Cum Oil

20k BBL

Cum Gas

66k MCF

casinghead

Wells

2

Production

2010-01 — 2026-03

Peak Month

2011-10

Production History

Cum Oil: 19,512 BBL Cum Gas: 66,112 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

466 BBL/mo

Di (annual)

43.0%

b-factor

0.2

EUR

16,158 BBL

R-squared

0.742

type

hyperbolic

Operator History (from monthly production reports)

2010-01 — 2026-07 MILESTONE OPERATING, INC. 199 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9MILESTONE OPERATING, INC.37,5002011-10-03
8MILESTONE OPERATING, INC.36,3002010-06-17