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. 480 Second Revised Sheet No. 480

Superseding: First Revised Sheet No. 480

FORM OF SERVICE AGREEMENT

APPLICABLE TO INTERRUPTIBLE HOURLY SWING SERVICE

UNDER RATE SCHEDULE IHSW

DATED:

The Parties identified below, in consideration of their mutual promises,

agree as follows:

1. Transporter: EL PASO NATURAL GAS COMPANY

2. Shipper: ______________________________

3. Applicable Tariff: Transporter's FERC Gas Tariff Second Revised Volume No.

1A, as the same may be amended or superseded from time to time ("Tariff").

4. Incorporation by Reference: This Agreement in all respects shall be

subject to the provisions of Rate Schedule IHSW and to the applicable

provisions of the General Terms and Conditions of the Tariff as filed

with, and made effective by, the FERC as same may change from time to

time.

5. Hourly swing service provided at Delivery Point(s) shall be on an

interruptible basis in accordance with the Tariff.

6. Delivery Point/Paths and Pressures: As specified in Shipper's related

TSAs.

7. Rates and Surcharges: As set forth in Exhibit A. Shipper shall pay the

applicable maximum tariff rate unless otherwise provided. Transporter and

Shipper may mutually agree to a discounted rate pursuant to the rate

provisions of Rate Schedule IHSW.

Exhibit A, attached to this Agreement, is hereby incorporated by

reference as part of this Agreement.

8. Negotiated Rate Agreement: Yes ________ No ________