Centerpoint Energy - Mississippi River

Third Revised Volume No. 1

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Effective Date: 06/25/2009, Docket: RP09-612-000, Status: Effective

Eighth Revised Sheet No. 71 Eighth Revised Sheet No. 71

Superseding: Seventh Revised Sheet No. 71

GENERAL TERMS AND CONDITIONS

(Continued)

1. DEFINITIONS (Continued)

The term "Fuel Use" shall mean a thermal quantity, expressed as a

percent, of all gas received by MRT into its system which is used in

the operation of MRT's pipeline system, which includes, when

applicable, any processing reduction.

The term "gas" shall mean natural gas as produced in its natural

state, gas synthesized or manufactured from oil, naphtha, coal or any

other material that meets the quality standards contained herein.

The term "Intermediate Delivery Point" shall mean the point or

points on MRT's system, excluding storage, upstream of Customer's

Primary Delivery Point(s) to which MRT agrees to deliver gas

transported for the account of Customer so long as Customer agrees to

redeliver those gas quantities into the MRT system for ultimate

delivery to Customer.

The term "LUFG" shall mean a thermal quantity, expressed as a

percent, of all gas received by MRT into its system which is lost or

unaccounted for gas.

The term "Maximum Daily Withdrawal Quantity or MDWQ" shall mean

the maximum quantity of gas, as stated in an FSS Agreement, that MRT is

obligated to withdraw from storage for a Rate Schedule FSS Customer on

any day.

The term "Mcf" shall mean one thousand (1,000) cubic feet of gas.

The term "MDQ" shall mean the maximum daily quantity of gas which

MRT is to deliver to Customer at each delivery point or in the

aggregate, in accordance with the terms of a Service Agreement.

The term "MMBtu" shall mean one million (1,000,000) Btu. All

references to MMBtu shall be deemed to mean Dth.

A "month" shall be a period of one calendar month commencing at

nine o'clock (9:00) a.m. CT on the first day of such month.

The term "MRT" shall mean CenterPoint Energy - Mississippi River

Transmission Corporation.

The term "NAESB Standards" shall mean those standards relating to

business practices and electronic communications promulgated by the

Wholesale Gas Quadrant of the North American Energy Standards Board

("NAESB"), formerly known as the Gas Industry Standards Board ("GISB"),

as adopted and codified by the Commission in its regulations.

The term "Negotiated Rate" shall have the meaning set forth in

Section 19.2 of this tariff.

The term "OBA" shall mean a contract between two parties which

specifies the procedures to manage operating variances at an

interconnect (See Table of Contents listing location of MRT's

Operational Balancing Agreement).

The term "Operational Flow Order" shall mean an order issued to

alleviate conditions, inter alia, which threaten or could threaten the

safe operations or system integrity of MRT's system or to maintain

operations required to provide efficient and reliable firm service.

Whenever MRT experiences these conditions, any pertinent order should

be referred to as an "Operational Flow Order".