El Paso Natural Gas Company

Second Revised Volume No. 1A

Effective Date: 04/01/2010, Docket: RP10-454-001, Status: Effective

Second Revised Sheet No. 146 Second Revised Sheet No. 146

Superseding: First Revised Sheet No. 146

RATE SCHEDULE IT-1

Interruptible Transportation Service

1. AVAILABILITY

This Rate Schedule is available to any Shipper for the

transportation of Natural Gas on an interruptible basis by Transporter

when Shipper and Transporter have an Executed TSA, in the form contained

in this Volume No. 1A Tariff, for service under this Rate Schedule.

2. APPLICABILITY AND CHARACTER OF SERVICE

This Rate Schedule shall apply to all Natural Gas transported by

Transporter for Shipper pursuant to the Executed TSA, provided that:

2.1 Transportation service hereunder shall be interruptible, subject to

the provisions of the Executed TSA and to the GT&C incorporated

herein by reference.

2.2 Transportation service shall consist of the acceptance by

Transporter of Natural Gas on behalf of Shipper for transportation

at the Receipt Point(s), the transportation of that Natural Gas

through Transporter's pipeline system, and the delivery of that

Natural Gas, after appropriate reductions, by Transporter to

Shipper or for Shipper's account at the Delivery Point(s).

2.3 Transporter has determined that other than such new taps, valves,

measurement equipment, and other minor facilities which may be

required at the Receipt or Delivery Point(s) to effect receipt or

delivery of the gas, it has available or will secure sufficient

uncommitted capacity to provide the service requested by Shipper as

well as all of its other firm service commitments.

2.4 Shipper has met the creditworthiness requirements of Section 4.16

of the GT&C.