FASKEN -19-

Oil // district 10 // lease#32374

op: SLANT OPERATING, LLC

cum_oil

550k BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 2026-03

peak_month

1993-01

-- production_history

cum_oil: 550,098 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

7,134 BBL/mo

Di (annual)

52.5%

b-factor

1.0

EUR

539,157 BBL

R-squared

0.890

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1UNION TEXAS PETROLEUM CORP.412,4502009-11-30
EOF // data source: Texas Railroad Commission // 2026