W T G Hugoton, LP

Original Volume No. 1

Effective Date: 08/01/2007, Docket: CP06- 90-002, Status: Effective

Original Sheet No. 406 Original Sheet No. 406 : Effective

WTG Hugoton, LP

Amendment to FT Service Agreement

4. [If applicable] In no event shall the rates exceed the maximum rate or

be less than the minimum rate authorized under WTG Hugoton's FERC Gas Tariff,

as amended from time to time. In the event the rates agreed to pursuant hereto

are or become greater than the maximum or less than the minimum under WTG

Hugoton's FERC Gas Tariff, as revised from time to time, then Shipper agrees

that WTG Hugoton will immediately decrease the rate(s) herein down to the

maximum or increase the rate(s) herein up to the minimum. In such event,

other rate components may be adjusted upward or downward to achieve the

agreed-upon overall rate, provided that the resulting rate component shall not

exceed the maximum rate or be below the minimum rate applicable to the rate

component.

5. Other Provisions Permitted By Tariff Under the Applicable Rate Schedule

and pursuant to Section 47 of the GENERAL TERMS AND CONDITIONS of WTG

Hugoton's FERC Gas Tariff:

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6. The parties agree that a facsimile or other electronic version of this

document, when properly executed and transmitted, shall be considered for all

purposes to be an original document, and shall be deemed for all purposes to

be signed and constitute a binding agreement. The entire agreement must be

faxed or transmitted to WTG Hugoton. Upon WTG Hugoton's acceptance and

execution, an executed copy will be returned via FAX to the number appearing

on the faxed offer or such other number as directed or otherwise

electronically transmitted.