Mississippi Canyon Gas Pipeline, LLC

First Revised Volume No. 1

Effective Date: 05/22/2005, Docket: RP05-280-000, Status: Effective

First Revised Sheet No. 28 First Revised Sheet No. 28 : Effective

Superseding: Original Sheet No.28

RATE SCHEDULE IT-1

INTERRUPTIBLE TRANSPORTATION SERVICE

1. AVAILABILITY

1.1 This Rate Schedule IT-1 is available to any person

(hereinafter called Shipper) who requests

transportation of natural gas on an interruptible basis

through Transporter's Facility pursuant to Part 284 of

the FERC's Regulations and who has executed an IT-1

Transportation Service Agreement with Mississippi

Canyon Gas Pipeline, LLC (hereinafter called

Transporter) for transportation service under this Rate

Schedule.

1.2 Transporter shall accept written transportation

requests for interruptible service under this Rate

Schedule on a first-come/first-served basis determined

in accordance with the Shipper's transportation service

request date. The transportation service request date

shall be the date and time Transporter receives a

request from the Shipper pursuant to Section 6 of this

Rate Schedule.

2. APPLICABILITY AND CHARACTER OF SERVICE

2.1 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 facilities, subject to the availability

of capacity sufficient to provide service up to

the Maximum Daily Quantity set forth in the

associated IT-1 Transportation Service Agreement.

2.2 Transportation service hereunder shall consist of

the acceptance by Transporter of natural gas tendered

by Shipper for transportation at the Receipt Point(s)

specified in Exhibit "A" to the executed IT-1

Transportation Service Agreement, and the delivery of

equivalent quantities to Shipper or for Shipper's

account at the Delivery Point(s) specified in Exhibit

"A" to the executed IT-1 Transportation Service

Agreement, all on an interruptible basis. Transporter

shall not commence service until Transporter and

Shipper have executed an IT-1 Transportation Service

Agreement.