Transwestern Pipeline Company, LLC

Third Revised Volume No. 1

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Effective Date: 10/23/2006, Docket: RP06-604-000, Status: Effective

First Revised Sheet No. 161 First Revised Sheet No. 161 : Effective

Superseding: Original Sheet No. 161






27.3 Transporter will post the MIP for each month on its Internet Website within one (1) business

day following the end of the applicable month.


27.4 No penalties shall be applicable to Shipper Imbalances.


27.5 Resolution of Shipper Imbalances:


Imbalances between Shippers and Transporter may be offset by netting and trading.


Imbalance netting and trading activity shall follow the steps outlined below.


A. To the extent the Shipper has multiple points within the same imbalance location at

which imbalances accrue, such monthly imbalances held by a single legal entity shall be

accumulated and netted prior to the posting of imbalances as provided for in (B) below.


B. On or before the ninth (9th) business day of the month, Transporter will post on its

Internet Website each Shipper's volumetric imbalance by imbalance location.


C. A Shipper may negotiate with other Shippers to trade the volumetric imbalances (as

posted in accordance with (B) above) within each imbalance location. This trading will

occur only between Shippers (Transporter will not be involved).


D. All Shippers will have until the close of the 17th business day of the month to

complete imbalance trading.


E. Shippers must notify Transporter prior to the close of the 17th business day via fax or

e-mail of the volumes traded and the trading partners (all Shippers involved in the

trade must notify Transporter of the intent and amount traded).


F. Imbalance netting and trading will be completed at no additional cost to the Shipper.


G. After close of the 17th business day of the month, Transporter will calculate the

Shipper's final volumetric imbalance. Any remaining volumetric imbalances will be

assigned a dollar value by applying the applicable MIP as set forth in Section 27.2

above. Such dollar amounts will be due and payable by the 20th business day of the

month. Interest shall accrue on the dollar value of the Imbalance from such date due

until the date of payment, at the interest rate set forth in 18 CFR 154.501(d)(1), as

may be amended from time to time.


H. Any discrepancies between notifications to Transporter by trading parties will result

in the trade not being confirmed and the imbalances to both Shippers will be subject to

the applicable imbalance valuation and cash-out provisions outlined above.