Midwestern Gas Transmission Company

Third Revised Volume No. 1

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Effective Date: 05/01/2009, Docket: RP09-554-000, Status: Effective

Eighth Revised Sheet No. 203 Eighth Revised Sheet No. 203

Superseding: Sixth Revised Sheet No. 203

GENERAL TERMS AND CONDITIONS

1. DEFINITIONS (Continued)

o The term "Customer" shall be defined as any Person, including Shipper, who has

executed a gas service agreement with Company under any of Company's rate

schedules contained in this Tariff.

o The term "Customer Activity" shall mean the business function categories related

to Nominations, Flowing Gas, Invoicing, Capacity Release, Contracts, and other

business functions on industry web sites. [4.2.10/v1.4]

o The term "day" or "Gas Day" shall mean a period of twenty-four consecutive hours,

beginning and ending at 9:00 A.M. CCT. The reference date for any day shall be

the date of the beginning of such day. [1.3.1/v1.0]

o The term "Dekatherm" shall mean 1,000,000 Btu's. The standard quantity for

nominations, confirmation and scheduling is Dekatherms per Gas Day in the United

States, gigajoules per Gas Day in Canada, and gigacalories per Gas Day in Mexico.

(For reference 1 Dekatherm = 1,000,000 Btu's; and 1 gigajoule; and one

gigacalorie = 1,000,000,000 calories.) For commercial purposes, the standard

conversion factor between Dekatherms and gigajoules is 1.055056 gigajoules per

Dekatherm and between Dekatherms and gigacalories is 0.251996 gigacalories per

Dekatherm. The standard Btu is the International Btu, which is also called the

Btu (IT); the standard joule is the joule specified in the SI system of units.

[1.3.14/v1.3]

o The term "Delivery Point(s)" shall mean the point or points listed on Company's

Informational Postings web site for delivery of gas for the account of Shipper.

o The term "Eastern Mainline" shall mean the approximate 30.9 miles of 16-inch

diameter pipeline commencing at the Company's existing mainline compressor

station located near Portland, Tennessee and traversing southeasterly to two (2)

interstate pipeline interconnections with 1) Columbia Gulf Transmission Company

and 2) East Tennessee Natural Gas Company located near Hartsville, Tennessee in

Trousdale County, Tennessee.

o The term "Elapsed Prorata Capacity" or "EPC" shall mean that portion of the

capacity that would have theoretically been available for use prior to the

effective time of the intra-day recall based upon a cumulative uniform hourly

use of the capacity. [5.2.3/v1.7]

o The term "Equivalent Quantity" unless otherwise stated in the transportation

agreement shall mean, that during any given period of time, the quantities of gas

delivered hereunder at the Delivery Point(s) shall be the thermal equivalent of

the quantities of gas received at the Receipt Point(s) for transportation less

thermal quantities of gas for Shipper's system fuel use and gas lost and

unaccounted for associated with transportation service.