STATE OF TEXAS "14"

Oil // district 10 // lease#38779

op: VANGUARD OPERATING, LLC

cum_oil

60k BBL

cum_gas

0 MCF

wells

1

production

2007-12 — 2026-03

peak_month

2008-01

-- production_history

cum_oil: 59,921 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,033 BBL/mo

Di (annual)

78.4%

b-factor

1.1

EUR

64,981 BBL

R-squared

0.596

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1STANOLIND OPERATING CORP.39,5002008-04-04
EOF // data source: Texas Railroad Commission // 2026