We received a copy of an Assignment, effective as of May 1, 2000,  between 
Mega Natural Gas Company, L.L.C. ("Mega") and Cross Timbers Oil Company (the 
"Cross Timbers") wherein Mega assigned the Transactions outstanding under the 
Master Agreement dated February 2, 1999 between ENA and Mega to Cross 
Timbers.   

 1. The Master Agreement between Mega and ENA, dated as of February 2, 1999 
(the "Mega Master Agreement") will be inactive.   NO TRADES SHOULD BE DONE 
UNDER THIS MASTER AGREEMENT.

 2. All trades should be done under the Master Agreement between Cross 
Timbers and ENA, dated as of January 1, 1995 (the "Cross Timbers Master 
Agreement").

 3. We have prepared a Transfer and Termination Agreement between ENA and 
Cross Timbers whereby the Transactions under the Mega Master Agreement will 
be transferred to the Cross Timbers Master Agreement and the Mega Master 
Agreement will be terminated.   This document has been forwarded to Cross 
Timbers for execution.  Once this document is executed by Cross Timbers, we 
will terminate the Mega Master Agreement.
 

 In connection therewith, Cross Timbers Oil  Company notified us of the 
following series of mergers:

  1. On May 1, 2000, Spring Resources, Inc., an Oklahoma corporation, and 
Mega Natural Gas Company, L.L.C., an Oklahoma limited liability company, were 
the owners of certain oil and gas properties (or undivided interests therein) 
and contractual obligations (collectively, the &Properties8).

  2. On May 1, 2000, pursuant to a Certificate of Merger, each of Spring 
Resources, Inc. and Mega Natural Gas Company, L.L.C., was merged into its 
parent company, Spring Holding Company, a Delaware corporation.  Pursuant to 
the merger, Spring Holding Company became the sole owner of the Properties.

  3. On May 10, 2000, pursuant to a Certificate of Merger, Spring Holding 
Company was merged into its parent company, Redwine Holdings LLC, a Delaware 
limited liability company.  Pursuant to the merger Redwine Holdings LLC 
became the sole owner of the Properties.

  4. On May 10, 2000, pursuant to a Certificate of Merger, Redwine Holdings 
LLC was merged into its parent company, Cross Timbers Oil Company, a a 
Delaware corporation.  Pursuant to the merger, Cross Timbers Oil Company 
became the sole owner of the Properties.

  5. After the mergers described above, Cross Timbers Oil Company is the sole 
owner of the Properties formerly owned by Spring Resources, Inc. and Mega 
Natural Gas Company, L.L.C.

  Copies of the documents will be distributed.