PORTLEY "A"

Oil // district 6 // lease#15197

op: TRIVIUM OPERATING, LLC

cum_oil

12k BBL

cum_gas

0 MCF

wells

1

production

2011-08 — 2026-03

peak_month

2011-10

-- production_history

cum_oil: 12,037 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

551 BBL/mo

Di (annual)

56.2%

b-factor

0.0

EUR

11,743 BBL

R-squared

0.780

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7CHINN EXPLORATION COMPANY211,0002012-11-07
EOF // data source: Texas Railroad Commission // 2026