HILL & HARRIS -4-

Oil · District 7C · Lease #6958

Operator: PONTOTOC OIL CORP.

Cum Oil

8k BBL

Cum Gas

403k MCF

casinghead

Wells

3

Production

1993-01 — 2026-04

Peak Month

1994-07

Production History

Cum Oil: 7,969 BBL Cum Gas: 403,034 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

42 BBL/mo

Di (annual)

7.7%

b-factor

0.0

EUR

6,338 BBL

R-squared

0.433

type

exponential

Operator History (from monthly production reports)

2025-05 — 2026-07 LAKESHORE OPERATING, LLC 15 mo
2006-07 — 2025-04 KATSCO ENERGY, INC. 226 mo
2002-09 — 2006-06 MCCLURE OIL COMPANY, INC. 46 mo
1994-01 — 2002-08 MARCUM DRILLING CO. 104 mo
1993-01 — 1993-12 PONTOTOC OIL CORP. 12 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4078LAKESHORE OPERATING, LLC15,7001979-01-05
407642-081-30316LAKESHORE OPERATING, LLC------
707642-081-30290LAKESHORE OPERATING, LLC------