UNIVERSITY -22-

Oil // district 9 // lease#6786

op: OTB OPERATING, LLC

cum_oil

75k BBL

cum_gas

0 MCF

wells

6

production

1993-01 — 2026-03

peak_month

2013-05

-- production_history

cum_oil: 74,840 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

729 BBL/mo

Di (annual)

32.3%

b-factor

0.9

EUR

71,077 BBL

R-squared

0.641

type

hyperbolic

-- wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6MWS PRODUCING, INC.12,5002013-08-19
5MWS PRODUCING, INC.12,5002012-11-09
4MWS PRODUCING, INC.12,5002012-02-22
3CRAIN OIL CO.12,5001983-09-06
142-105-30773--------
242-105-30788--------
EOF // data source: Texas Railroad Commission // 2026