SOUTHLAND ROYALTY -906-

Oil // district 10 // lease#17563

op: REATTA ENERGY, INC.

cum_oil

11k BBL

cum_gas

0 MCF

wells

7

production

1993-01 — 2026-03

peak_month

2019-01

-- production_history

cum_oil: 11,159 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

214 BBL/mo

Di (annual)

32.5%

b-factor

0.0

EUR

7,855 BBL

R-squared

0.310

type

exponential

-- wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9PURVIS OPERATING CO.18,2002018-03-07
8BRECK OPERATING CORP.18,2201992-03-12
4BRECK OPERATING CORP.18,1501990-04-18
1 L42-475-10589--------
242-475-10590--------
3 L42-475-10412--------
542-475-10414--------
EOF // data source: Texas Railroad Commission // 2026