Per my phone conversation with Cheryl Hartsell, I hereby give permission for Unimark LLC to provide a copy of the contract with ENA Upstream Company, LLC dated October 20, 2001 to the producer who gas was sold by Unimark under such contract; provided that Unimark informs such producer of the confidential nature of the contract.  If you need any further information, please contact me at (713) 853-3512.