Transwestern Pipeline Company

Second Revised Volume No. 1

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Effective Date: 09/01/1997, Docket: RP97-434-000, Status: Effective

Original Sheet No. 156 Original Sheet No. 156 : Effective

Form of Service Agreement - Form P

Rate Schedule PNR

Shipper's Name and Address for Notices and Invoices: Date: _____________

_____________________________________________

_____________________________________________

Attn:_________________________________________

Address for Invoice (If different from above)

___________________________________

___________________________________

Attn:_______________________________

Contract No: _________________

Term: From__________________ To ____________

Total Quantity:________________________MMBtu

Rates shall be Transwestern's maximum rates and charges plus all applicable surcharges in

effect from time to time under the applicable rate schedule on file with the Commission

unless otherwise agreed to by the parties in writing.

Other: _________________________________________________________________________________

Any notice, statement, or bill provided for in this Agreement shall be in writing and

shall be considered as having been given if delivered personally, or if mailed by United

States mail, postage prepaid, or if sent by express mail, overnight delivery, telex,

telecopy or other mutually agreeable means of electronic transmission, to Shipper when sent

to the address set forth on this Agreement and to Transwestern when sent to the following:

All Notices/Accounting Matters: Payments To Designated Depository:

Transwestern Pipeline Company Transwestern Pipeline Company

P.O. Box 1188 Account No. _________________

Houston, Texas 77251-1188 ABA No. _____________________

Attn: Market Services Bank: _______________________

This Agreement shall incorporate and in all respects shall be subject to the "General

Terms and Conditions" and the applicable Rate Schedule(s) set forth in Transwestern's FERC

Gas Tariff, as may be revised from time to time. Transwestern may file and seek Commission

approval under Section 4 of the Natural Gas Act (NGA) at any time and from time to time to

change any rates, charges or other provisions set forth in the applicable Rate Schedule(s)

and the "GENERAL TERMS AND CONDITIONS" in Transwestern's FERC Gas Tariff, and Transwestern

shall have the right to place such changes in effect in accordance with the NGA, and this

Service Agreement shall be deemed to include such changes and any changes which become

effective by operation of law and Commission Order, without prejudice to Buyer's right to

protest the same.

Transwestern Pipeline Company Buyer

By:_______________________________ By:________________________________

Title:_____________________________ Title:_______________________________

Date:______________________________ Date:_______________________________