El Paso Natural Gas Company

Second Revised Volume No. 1A

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

Fourth Revised Sheet No. 146A Fourth Revised Sheet No. 146A

Superseding: Third Revised Sheet No. 146A

RATE SCHEDULE IT-1

Interruptible Transportation Service (Continued)

2. APPLICABILITY AND CHARACTER OF SERVICE (Continued)

2.5 Rates of Flow.

(a) Except as otherwise provided in this Tariff, gas quantities

received by Transporter in any hour shall not exceed 1/24th of

Shipper's scheduled quantity at such Receipt Points. Except

as otherwise provided in this Tariff, gas quantities delivered

by Transporter in any hour shall not exceed 1/24th of

Shipper's scheduled quantity at such Delivery Points.

(b) Except as otherwise provided in this Tariff, Shipper must

balance its daily receipts and daily deliveries at the end of

each Gas Day.

the delivery meter be part of an aggregation of meters under a

D-Code, some or all of which have physical gas measurement

equipment compatible with Transporter's system and capable of

registering hourly flows, the quantities delivered to any such

individual meters in the D-Code shall be deemed to have flowed

on a ratable 1/24th basis if: 1) hourly measurement equipment

is not installed or 2) the hourly measurement equipment does

not have active telemetry capability (temporary outages

excepted) into the VISA system on a real time basis.

3. RATE

3.1 Transporter, at its sole discretion, may from time to time and at

any time selectively discount any or all of the rates on the

Statement of Rates applicable to any individual Shipper; provided,

however, that such discounted rates shall not exceed the applicable

maximum rate(s) nor shall they be less than the minimum rate(s) set

forth on the currently effective Statement of Rates Sheet.

3.2 Transportation Charges. Shipper shall pay the sum of the following,

if applicable:

(a) Mainline Transportation Charges. The rate(s) in effect and

reflected from time to time as the maximum "Mainline

Transportation Charges," unless otherwise provided, applicable

to the delivery zones (Production Area, Texas, New Mexico,

Arizona, Nevada or California) in which deliveries are made,

as set forth on the currently effective Statement of Rates.

The Mainline Transportation Charges applicable to a TSA

subject to this rate schedule shall be determined by

multiplying the quantity of Natural Gas delivered in dth by

the rate specified in the TSA. The usage charge payable under

this rate schedule shall include all applicable usage

surcharges unless otherwise provided in the TSA.