Attached please find a list of estimated gas supplies for December 2001.

In order to successfully e-mail your changes back to me, please 1) UPDATE
the worksheet, 2) SAVE, and 3) "FORWARD" the saved worksheet to my e-mail
address.

Looking forward to hearing from you.

Cheryl Hartsell
Gas Marketing Representative
UNIMARK LLC
Phone: (405) 844-6200, ext. 228
Fax: (405) 844-6220
e-mail: chartsell@unimarkllc.com

- GSAEmail1201.xls