SIMON-LITTMAN -7-

Oil // district 10 // lease#32971

op: VISTA RESOURCES, INC. (A)

cum_oil

265k BBL

cum_gas

0 MCF

wells

3

production

1993-01 — 2026-03

peak_month

1999-01

-- production_history

cum_oil: 264,572 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

3,089 BBL/mo

Di (annual)

46.8%

b-factor

0.9

EUR

230,471 BBL

R-squared

0.894

type

hyperbolic

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
703VISTA RESOURCES, INC. (A)18,0001999-08-31
702VISTA RESOURCES, INC. (A)17,9001998-10-12
701MCSHANE, J. INC.18,0001990-12-04
EOF // data source: Texas Railroad Commission // 2026