Transwestern Pipeline Company, LLC

Third Revised Volume No. 1

Effective Date: 03/01/2009, Docket: RP09-254-000, Status: Effective

Second Revised Sheet No. 71 Second Revised Sheet No. 71

Superseding: First Revised Sheet No. 71

RATE SCHEDULE ITS-2

Interruptible Transportation Service

For Phoenix Expansion Project

1. AVAILABILITY

This Rate Schedule is available for transportation service by Transwestern Pipeline Company, LLC,

(Transporter) for any Shipper, where Shipper has entered into an ITS-2 Service Agreement of the form

contained in Transporter's FERC Gas Tariff.

2. APPLICABILITY AND CHARACTER OF SERVICE

Gas transported by Transporter for Shipper under this Rate Schedule shall be on an interruptible

basis. When capacity is available on Transporter's system, Transporter shall receive for

transportation hereunder the quantity of gas made available by Shipper or for the account of Shipper

for transportation, provided, however, that such quantity shall not exceed the lesser of (1) the

Maximum Daily Transportation Quantity (MAXDTQ) specified in the Service Agreement, exclusive of

Transport Fuel, or (2) the system capacity quantity available to Shipper as provided in Section 2.3

of Rate Schedule ITS-1. Transporter shall make available for delivery to Shipper at the delivery

points as specified in the Service Agreement, subject to available capacity, the same quantities

received as measured, less Transport Fuel, in accordance with Sections 4 and 22 of the General Terms

and Conditions of this Tariff.

2.1 Term

The period of time to be covered by the Service Agreement shall be determined by agreement between

the parties.

3. RATE

Section 3 of Rate Schedule ITS-1 is incorporated herein; provided, however, that the ITS-2 Rate,

Rate Schedule or Service Agreement shall be substituted and apply where the ITS-1 Rate, Rate

Schedule or Service Agreement are referenced.

4. MAXIMUM HOURLY DELIVERY QUANTITY

During no more than 16 hours of any gas day, Shipper shall have the right to schedule and receive

gas at an hourly rate equal to no more than 6.25% of the scheduled quantity at its Primary Delivery

Point(s); provided that the total quantity of gas scheduled and received by Shipper during such gas

day shall in no event exceed the MAXDTQ.

5. INCORPORATION OF OTHER PROVISIONS BY REFERENCE

The following sections of Rate Schedule ITS-1 are incorporated herein: 2.2, 2.3, 2.4, 4 and 5;

provided, however, that the ITS-2 Rate, Rate Schedule or Service Agreement shall be substituted and

apply where the ITS-1 Rate, Rate Schedule or Service Agreement are referenced.