Wyoming Interstate Company, Ltd.

Second Revised Volume No. 2

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

Fourth Revised Sheet No. 85B Fourth Revised Sheet No. 85B

Superseding: Substitute Second Revised Sheet No. 85B

GENERAL TERMS AND CONDITIONS

(Continued)

27. OPERATIONAL PURCHASES AND SALES

27.1 Transporter may buy and/or sell gas to the extent necessary: (i)

to maintain system pressure and line pack; (ii) to balance fuel

quantities; (iii) to implement the cash out of imbalances

procedures contained in Section 10.3 of the General Terms and

Conditions of the Tariff; and (iv) to perform other operational

functions of Transporter in connection with transportation and

other similar services.

27.2 Transporter will post its operational sales quantities for

bidding on its electronic bulletin board in accordance with the

applicable bidding provisions contained in Section 9 of the

General Terms and Conditions of this Tariff.

27.3 Transporter will file a report on or before September 30 of

each year reflecting the operational purchases/sales for the

12-month period ending the preceding June 30. The report will

indicate the source of the operational gas purchased/sold, the

date of such purchases/sales, volumes, the purchase/sale price,

the costs and revenues from such purchases/sales and the

disposition of the associated costs and revenues for all types

of operational purchases and sales. In addition, such report

shall also include an explanation of the purpose of any

operational purchases/sales as well as a reconciliation and

accounting of operational purchases/sales that are associated

with Section 1.27 (Fuel) and Section 10.3 (Cash Out).