UNIVERSITY -6-

Oil · District 7C · Lease #8920

Operator: MARALO, INC.

Cum Oil

155k BBL

Cum Gas

101k MCF

casinghead

Wells

12

Production

1993-01 — 2026-04

Peak Month

1993-04

Production History

Cum Oil: 154,692 BBL Cum Gas: 100,713 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

726 BBL/mo

Di (annual)

4.9%

b-factor

0.0

EUR

162,342 BBL

R-squared

0.664

type

exponential

Operator History (from monthly production reports)

2023-07 — 2026-07 LAST DOLLAR LLC 37 mo
1995-03 — 2023-06 GOOCH & ISOM 340 mo
1993-01 — 1995-02 MARALO, INC. 26 mo

Wells (12)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10LAST DOLLAR LLC12,8001982-06-04
11LAST DOLLAR LLC12,8001982-06-03
12LAST DOLLAR LLC12,8001982-06-03
7LAST DOLLAR LLC12,8001981-12-07
9LAST DOLLAR LLC12,8001981-11-17
8LAST DOLLAR LLC12,8001981-08-07
5LAST DOLLAR LLC12,8001981-08-06
6LAST DOLLAR LLC12,8001981-07-21
1LAST DOLLAR LLC12,8001981-06-16
2LAST DOLLAR LLC12,8001981-06-16
3LAST DOLLAR LLC12,8001981-06-16
4LAST DOLLAR LLC12,8001981-04-10