HARRED "A"

Oil // district 11 // lease#63647

op: VANGUARD PERMIAN, LLC

cum_oil

182k BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 2026-03

peak_month

2003-12

-- production_history

cum_oil: 182,472 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

691 BBL/mo

Di (annual)

7.4%

b-factor

0.0

EUR

109,069 BBL

R-squared

0.487

type

exponential

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3TOMLINSON OIL CO., INC.15,0001982-02-10
4TOMLINSON OIL CO., INC.15,0001981-12-31
1TOMLINSON OIL CO., INC.15,0001981-09-21
2TOMLINSON OIL CO., INC.15,0001981-09-21
EOF // data source: Texas Railroad Commission // 2026