Transwestern Pipeline Company, LLC

Third Revised Volume No. 1

Effective Date: 04/05/2010, Docket: RP10-476-000, Status: Effective

First Revised Sheet No. 247 First Revised Sheet No. 247

Superseding: Original Sheet No. 247

[WHERE APPLICABLE]

(Placement on page, number of pages, format, paragraph order, capitalization

and font may vary)

Transwestern Pipeline Company, LLC

Form of Amendment to Gas Transportation Agreement

Rate Schedule_____________

Shipper:____[Company Name]________________ Date: _______________

_____[Address]_____________________

Attn: _____________________________________

Contract Number: ________________

[If applicable] Amendment Number: _______

[If applicable] Request Number: _______

Transwestern Pipeline Company, LLC ("Transporter") and _____[shipper's

name]____________("Shipper") have entered into a Transportation Service

Agreement ("Agreement"), as referenced above. Pursuant to negotiations,

Transporter and Shipper agree to amend the Agreement as follows:

[If applicable] Term:

_______________________________________________________________

[If applicable] This Agreement is subject to the right of first

refusal that may be exercised by Shipper on or before

___[notification date]___, in accordance with Section 20 of the

General Terms and Conditions of Transporter's FERC Gas Tariff.

[If applicable] Rate:___[rate and/or surcharge provisions] (may be in

multiple paragraphs) ____

[If applicable] The parties hereby agree to amend the Agreement to modify the

[MAXDTQ, receipt and/or delivery points and/or quantities, minimum delivery

pressure, date range, maximum number of limited days (Rate Schedule

LFT)]________, as reflected on the revised Appendix ____ to the agreement that

is attached hereto and that supersedes and replaces the Appendix ____

currently in effect (the form of Appendix is found at the Rate Schedule's

applicable Form of Service Agreement).