WINDHAM -38-

Oil · District 08 · Lease #45749

Operator: OVINTIV USA INC.

Cum Oil

194k BBL

Cum Gas

483k MCF

casinghead

Wells

5

Production

2014-02 — 2026-04

Peak Month

2015-05

Production History

Cum Oil: 193,646 BBL Cum Gas: 482,698 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,165 BBL/mo

Di (annual)

23.1%

b-factor

0.0

EUR

164,131 BBL

R-squared

0.533

type

exponential

Operator History (from monthly production reports)

2020-02 — 2026-07 OVINTIV USA INC. 78 mo
2015-02 — 2020-01 ENCANA OIL & GAS(USA) INC. 60 mo
2014-02 — 2015-01 ATHLON HOLDINGS LP 12 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1OVINTIV USA INC.29,8002014-10-28
2OVINTIV USA INC.29,7002014-10-28
5OVINTIV USA INC.111,1752014-08-18
4OVINTIV USA INC.111,1502014-04-12
3OVINTIV USA INC.111,2002013-09-03