ROLLINS RANCH

Oil · District 2 · Lease #8788

Operator: FIRST ROCK, INC.

Cum Oil

1k BBL

Cum Gas

0 MCF

Wells

1

Production

2003-05 — 2012-10

Peak Month

2003-05

Production History

Cum Oil: 1,301 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

555 BBL/mo

Di (annual)

841.6%

b-factor

0.2

EUR

1,017 BBL

R-squared

0.967

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1AFIRST ROCK, INC.26,2002003-04-24
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