Here is the old redline version as well as the clean for execution.  If in agreement, please have your customer print two originals, sign and return same to my attention.  Also, with regards to Exhibit "A" have NG complete info re payments, invoices etc.  Thanks!

   

Debra Perlingiere
Enron North America Legal
1400 Smith Street, EB 3885
Houston, Texas 77002
dperlin@enron
713-853-7658
713-646-3490 Fax