Oil and Gas Leases

July 9, 2004

James and Julia Myers, Tribune, Kansas, 3 year lease to Gary Alsobrook, Elizabeth, Section 25: E2, T17S, R42W.

Steve B and Cynthia K. Schneider, Tribune, Kansas, 3 year lease to Gary Alsobrook, Section 25: NE4, T17S, R42W.

Dirk A. and Darcy Schneider, Tribune, Kansas, 3 year lease to Gary Alsobrook, Section 25: NE4, T17S, R42W.

Diamond A. Feeders, Inc., and Gary L. and Karen S. Allen as Trustees of the Gary L. Allen Trust No. 1 and as Trustees of the Karen S. Allen Trust No. 1, Tribune, Kansas, 3 year lease to Gary Alsobrook, Section 30: SE4, T17S, R41W.

The Prospect Company, Edmond, Oklahoma, 3 year lease to Gary Alsobrook, Section 30: SE4, T17S, R41W.

Larry H. and Judith Ann Tuttle, Towner, 4 year lease to Gary Alsobrook, Elizabeth, Section 30: W2, T17S, R41W.

Dan Edward Morgan and David Clifford Morgan and Donald Paul Morgan, Lincoln, Nebraska, 5 year lease to Contex Energy Company, Denver, Section 15: W2SE4, T19S, R53W.

Donald Paul Morgan, 5 year lease to Contex Energy Company, Section 15: E2SE4, T19S, R53W.

David Clifford Morgan, 5 year lease to Contex Energy Company, Section 15: E2SE4, T19S, R53W.

Dan Edward Morgan, 5 year lease to Contex Energy Company, Section 15: W2SW4, T19S, R53W.

Mary Elizabeth Liane Rae, Wetmore, 5 year lease to Contex Energy Company, Section 22: NW4 SW4, T19S, R53W.

Lewis Clark LeRoy Davis Jr. and Rosemary Davis as Trustees of the Davis Revocable Dynasty Trust, 5 year lease to Contex Energy Company, Denver, Section 15: N2, T19S, R53W.

Kiowa County, Eads, 5 year lease to Contex Energy Company, Section 22: SE4, T19S, R53W.

Department of the Interior Bureau of the Land Management lease to Mull Drilling Company Incorporated, Wichita, Kansas, Section 10: N2NE, W2NW, S2SW, E2SE, T17S, R48W.