Wyoming Interstate Company, Ltd.

Second Revised Volume No. 2

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Effective Date: 04/12/2010, Docket: RP10-491-000, Status: Effective

Tenth Revised Sheet No. 72 Tenth Revised Sheet No. 72

Superseding: Eighth Revised Sheet No. 72

GENERAL TERMS AND CONDITIONS

(Continued)

10. IMBALANCE MANAGEMENT (Continued)

10.2 Imbalance Adjustments (Continued)

(c) Election for Imbalance Trades. On or before the seventh (7th)

Business Day of the Month following the accumulation of an

imbalance, a Shipper may notify Transporter of its election

to Cash Out such imbalance. Absent such election, imbalances

are eligible to be posted on Transporter's Electronic

Bulletin Board and/or traded with opposite imbalances held by

other Shippers through the end of the Month following

accumulation of such imbalances.

(d) Imbalance Trades. The term "Imbalance Trade" shall mean the

reallocation of imbalances from one Shipper to another

Shipper in order to reduce the imbalances of both Shippers.

Transporter shall effect an election to Trade imbalances

incurred during a Month as posted and verified

electronically.

(i) A Shipper, acting without the assistance of Transporter,

may negotiate an Imbalance Trade arrangement with

another Shipper.

(ii) Upon Shipper's designation, Transporter shall post on

its electronic bulletin board the Shipper's availability

to Trade imbalances. Such posting shall include the

imbalance quantity available to be Traded, the Shippers'

contact name(s) and phone number(s) and any special

conditions. Such posting may be made through the last

Day of the Month following the Month of Gas flow.

(iii)Shippers shall negotiate the terms of any Trades among

themselves.

(iv) Shippers Trading imbalances must electronically notify

Transporter of their Trade no later than the last

Business Day of the Month following the Month in which

the imbalance to be Traded was created.