TREADWELL TRUST -19-

Oil // district 9 // lease#16979

op: TELESIS OPERATING CO., INC.

cum_oil

21k BBL

cum_gas

0 MCF

wells

3

production

2009-07 — 2024-09

peak_month

2009-10

-- production_history

cum_oil: 21,093 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

601 BBL/mo

Di (annual)

37.4%

b-factor

0.0

EUR

19,261 BBL

R-squared

0.906

type

exponential

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1TELESIS OPERATING CO., INC.24,2502010-01-21
2TELESIS OPERATING CO., INC.14,2502009-03-26
3TELESIS OPERATING CO., INC.14,2502009-03-26
EOF // data source: Texas Railroad Commission // 2026