Centerpoint Energy Gas Transmission Company

Sixth Revised Volume No. 1

Effective Date: 02/28/2003, Docket: RP03-239-000, Status: Effective

Original Sheet No. 511 Original Sheet No. 511 : Effective

GENERAL TERMS AND CONDITIONS

(continued)

the design throughput used to calculate the

then-current CSC Charge or, if no such actual

throughput exists, the level of volumes underlying the

calculation of the Challenger's Percentage, multiplied

by (B) the number of years then remaining in the

Recovery Period. Such an adjustment will continue to

be made during the Recovery Period until the total

jurisdictional volumes actually transported on behalf

of or sold to the Challenger equals the design

throughput used in the calculation of the adjustment.

The maximum CSC Charge calculated in this manner will

apply only to the Challenger.

18.10 Interest.

Except as provided otherwise in Section 18.9.3(a), the

interest rate applicable hereunder shall be redetermined on

the first Day of each calendar quarter and shall be equal to

the lower of (i) the rate then in effect pursuant to 18

C.F.R. §154.501, or (ii) five percent (5%) per annum.

18.11 Effectiveness.

The terms and conditions of this Section 18 shall remain in

full force and effect until July 1, 2002, and shall not be

modified, superseded or otherwise affected by any general or

other rate change filing or restatement of rates made by

Transporter under section 4 of the Natural Gas Act, or upon

any general or other change in rates ordered by the

Commission pursuant to section 5 of the Natural Gas Act.