WINDHAM -38-

Oil // district 10 // lease#45749

op: OVINTIV USA INC.

cum_oil

193k BBL

cum_gas

0 MCF

wells

5

production

2014-02 — 2026-03

peak_month

2015-05

-- production_history

cum_oil: 192,875 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

3,097 BBL/mo

Di (annual)

22.5%

b-factor

0.0

EUR

164,933 BBL

R-squared

0.517

type

exponential

-- wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1THOMSON-MONTEITH29,8002014-10-28
2THOMSON-MONTEITH29,7002014-10-28
5ATHLON HOLDINGS LP111,1752014-08-18
4ATHLON HOLDINGS LP111,1502014-04-12
3ATHLON ENERGY OPERATING LLC111,2002013-09-03
EOF // data source: Texas Railroad Commission // 2026