Scg Pipeline Inc.

Original Volume No. 1

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Effective Date: 11/01/2003, Docket: RP03-611-000, Status: Effective

Original Sheet No.51 Original Sheet No.51 : Superseded

GENERAL TERMS AND CONDITIONS

1. DEFINITIONS

British Thermal Unit (“Btu”) shall mean the amount of heat required to raise

the temperature of one avoirdupois pound of pure water from 58.5 Fahrenheit to

59.5 Fahrenheit at a constant pressure of 14.73 dry psia.

Business Day shall mean Monday through Friday excluding federal banking

holidays for transactions in the U.S. and similar holidays for transactions

occurring in Canada and Mexico. Pipeline's Business Days shall be shown on a

calendar posted on the Pipeline's Internet Web Site.

Capacity Path shall mean a transportation path from a Primary Receipt Point to

a Primary Delivery Point as established by the executed Service Agreement or

otherwise specified in the notice of capacity release pursuant to GT&Cs

Section 11.

CCT shall mean Central Clock Time, which includes the recognition of Daylight

Savings Time.

Commission shall mean the Federal Energy Regulatory Commission (FERC) or any

successor regulatory authority having jurisdiction over Pipeline.

Cubic Foot (or Feet) shall mean the quantity of natural gas, which occupies

one cubic foot of volume at the volumetric measurement base, which shall be

one cubic foot of natural gas at a pressure base of 14.73 pounds per square

inch absolute, a temperature base of 60°F, and without adjustment for water

vapor content.

Daily Gas Index Price shall mean the simple average of (1) Natural Gas

Intelligence Gas Price Index, “Average” “South Louisiana”, “Southern Natural”

and (2) Inside FERC’s Gas Market Report Index, “Southern Natural Gas Company

“Louisiana” as set forth in Southern Natural Gas Company's FERC Gas Tariff for

Zone 3. If no index for a Gas Day is published, the price will be computed as

the average of the applicable indices on the Index Publication Date preceding

and the Index Publication Date following such Gas Day. The Index Publication

Date is the date on which the publication is published. In the event that an

index ceases to be published, the Parties shall agree on a replacement index.