Guardian Pipeline, L.L.C.

Original Volume No. 1

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Effective Date: 08/01/2010, Docket: RP10-926-000, Status: Effective

Second Revised Sheet No. 50 Second Revised Sheet No. 50

Superseding: First Revised Sheet No. 50

RATE SCHEDULE IT-1

INTERRUPTIBLE TRANSPORTATION SERVICE

1. DEFINITIONS

The terms used in this Rate Schedule shall have the meanings set

forth in Section 2 of the GT&C, unless otherwise defined herein.

2. AVAILABILITY

2.1 This Rate Schedule is available to any Person that has

(a) requested service under this Rate Schedule;

(b) satisfied the requirements of Section 10 of the GT&C;

and (c) entered into a Service Agreement with Transporter

for interruptible transportation service under this Rate

Schedule, and thus is a Shipper.

2.2 Transporter shall accept transportation requests for

service under this Rate Schedule in accordance with Section

10 of the GT&C.

3. APPLICABILITY AND CHARACTER OF SERVICE

3.1 This Rate Schedule shall apply to the transportation of

Natural Gas, on an interruptible basis, when and to the

extent that Transporter determines that capacity is

available in its existing Pipeline Facilities and at its

existing Points of Receipt and Points of Delivery

sufficient to provide service up to the quantity nominated

by Shipper.

3.2 Service under this Rate Schedule shall be available on a

daily basis for the receipt at Point(s) of Receipt of

Natural Gas up to the MDQ set forth on Exhibit "A" to

Shipper's IT-1 Service Agreement, the transportation of

such quantities of Natural Gas and the delivery at Point(s)

of Delivery of Natural Gas up to such MDQ notwithstanding,

all such nominated quantities that Transporter confirms and

schedules shall be received by Transporter at the scheduled

Point(s) of Receipt, and Thermally Equivalent Quantities

less Transporter Use Gas quantities shall be delivered to

Shipper or for Shipper's account at the scheduled Point(s)

of Delivery. Service under this Rate Schedule shall be