Wyoming Interstate Company, Ltd.

Second Revised Volume No. 2

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

Second Revised Sheet No. 23 Second Revised Sheet No. 23

Superseding: First Revised Sheet No. 23

RATE SCHEDULE IT

INTERRUPTIBLE TRANSPORTATION SERVICE

1. Availability

1.1 This Rate Schedule is available on the basis described in Section 4

of the General Terms and Conditions of this Tariff and subject to

all of the other terms of this Tariff for Transportation Service by

Wyoming Interstate Company, L.L.C. (hereinafter called Transporter),

for any person (hereinafter called Shipper) when Shipper desires

interruptible Transportation Service, and:

(a) Transporter can render such service with its existing

transmission system without need for construction of any

additional pipeline facilities other than such new taps,

valves, measurement equipment and other facilities which may be

required at the Point(s) of Receipt or Point(s) of Delivery to

effect receipt or Delivery of the Gas;

(b) Shipper makes a valid request pursuant to Section 4 of the

General Terms and Conditions of this Tariff;

Agreement ("Agreement") pursuant to the terms of this Rate

Schedule in the form attached hereto; and

(d) Shipper has met the creditworthiness requirements and other

service requirements specified in Section 4 of the General

Terms and Conditions.

1.2 When new and/or expanded facilities at Points of Delivery or

Receipt, such as new taps, valves, measurement equipment, and other

minor facilities, are required to accommodate receipt and/or

Delivery of Gas under this Rate Schedule IT and will not impair

service to any existing Shipper or threaten the integrity of

Transporter's System, Transporter will construct such facilities.

Transporter shall require Shipper to pay all construction costs

pursuant to Section 3.5 of this Rate Schedule, including any filing

fees, notifications, and a reimbursement amount to compensate for

tax effects associated with such facilities.