Tres Palacios Gas Storage LLC

Original Volume No. 1

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Effective Date: 08/01/2008, Docket: RP08-424-000, Status: Effective

Original Sheet No. 3 Original Sheet No. 3

PRELIMINARY STATEMENT

This Original Volume No. 1 of the FERC Gas Tariff of TRES

PALACIOS GAS STORAGE LLC ("TRES PALACIOS") contains the Rate

Statements, Rate Schedules and General Terms and Conditions

applicable to open-access storage, hourly balancing, parking,

wheeling, and loaning, services performed by TRES PALACIOS through

use of its facilities located in Texas, pursuant to Rate Schedules

FSS, NNSS, FP, FL, ISS, IHBS, IP, IW and IL.

TRES PALACIOS will charge and collect market-based rates for

all of the services it performs. These market-based rates will

cover all storage and storage-related transportation services TRES

PALACIOS renders.

TRES PALACIOS is a limited liability company principally

engaged in the business of storing and transporting natural gas in

interstate commerce subject to the jurisdiction of the Federal

Energy Regulatory Commission. The TRES PALACIOS facility is

connected to the facilities of the following natural gas pipelines

and local distribution systems:

Transcontinental Gas Pipe Line Corporation

Florida Gas Transmission Company, LLC

Tennessee Gas Pipeline Company

Texas Eastern Transmission, L.P.

Enterprise Texas Pipeline L.P.

Enterprise Intrastate L.P.

Natural Gas Pipeline Company of America

Kinder Morgan Tejas Pipeline, L.P.

Central Texas Gathering System

Nothing in this FERC Gas Tariff is intended to inhibit the

development of, or discriminate against the use of, imbalance

management services provided by third parties or TRES PALACIOS'

Customers. Any party interested in providing imbalance management

services must coordinate with TRES PALACIOS.