El Paso Natural Gas Company

Second Revised Volume No. 1A

Effective Date: 04/01/2006, Docket: RP05-422-000, Status: Effective

Second Revised Sheet No. 10 Second Revised Sheet No. 10 : Superseded

Superseding: First Revised Sheet No. 10

PRELIMINARY STATEMENT

El Paso Natural Gas Company, hereinafter referred to as "El Paso" or

"Transporter" is a "natural gas company" as defined by the Natural Gas Act (52

Stat. 821, 15 U.S.C. 717-717w) and, as such, is subject to the jurisdiction of

the Federal Energy Regulatory Commission, hereinafter referred to as "FERC" or

"Commission." As used herein, "El Paso" shall not include any of El Paso's

affiliates.

El Paso is in the business of providing jurisdictional transportation

services to or for others as an open-access transporter under authority of

Part 284 of the Commission's Regulations pursuant to written contracts

containing or incorporating by reference terms and conditions which are

acceptable to El Paso. El Paso also provides jurisdictional transportation

services on behalf of various shippers pursuant to pre-existing individual

contracts which were entered into prior to the effective date of this Volume

No. 1-A FERC Gas Tariff. Said pre-existing individual contracts, insofar as

they provide for transportation services other than those open-access services

which El Paso has agreed to provide under authority of Part 284 of the

Commission's Regulations, have and will continue, after the effective date of

this Volume No. 1-A FERC Gas Tariff, to be included as special rate schedules

in El Paso's Volume No. 2 FERC Gas Tariff.

This FERC Gas Tariff is filed in compliance with Part 154,

Subchapter E, Chapter I, Title 18, of the Code of Federal Regulations.