Present value
Proved Developed Producing No. wells At 10% discount rate **
Total PDP 102 $12,169,503

Proved Developed Non-Producing
Total PDNP 10 $1,802,030

Proved Undeveloped
Total PUD 10 $4,548,236

Total Value by State
Kansas 30 $11,909,657
Louisiana 4 $424,999
North Dakota 9 $958,711
New Mexico 18 $882,186
Oklahoma 28 $2,798,175
Texas 25 $1,546,041
Grand Total Proved 114 $18,519,769

* Based upon SEC pricing of $92.50 oil and $6.79 /mcf gas resulting
in average prices of $90.20 bbl oil and $5.72 /mcf gas as
of 12/31/07

Report prepared by LaRoche Petroleum Consultants

** The estimated value disclosed does not represent fair market value