Dauphin Island Gathering Partners

First Revised Volume No. 1

Effective Date: 09/01/2007, Docket: RP07-546-000, Status: Effective

Third Revised Sheet No. 179 Third Revised Sheet No. 179 : Effective

Superseding: Second Revised Sheet No. 179

Net Monthly Imbalance

Percentage Due Shipper Price Per Dth

0 to 2% 100% of Average Price

>2 to 5% 100% of Low Price

>5 to 10% 85% of Low Price

>10 to 15% 75% of Low Price

>15 to 20% 60% of Low Price

>20% 50% of Low Price

It is agreed, however, that in the event Shipper owes

Transporter any payments under Subsection (b) above from a

previous month which are past due, Transporter shall have

the right hereunder to offset payments it owes to Shipper

under this Subsection (c) by such past due amounts

(inclusive of interest).

(d) The Low Price is equal to the lowest daily average, if

applicable, of the price(s) which comprise the Coden or

TETCO Index Price, as applicable, during the month in which

Shipper's Net Monthly Imbalance was incurred. The Average

Price is equal to the daily average, if applicable, of the

price(s) which comprise the Coden or TETCO Index Price, as

applicable, during the month in which Shipper's Net Monthly

Imbalance was incurred. The High Price is equal to the

highest daily average, if applicable, of the price(s) which

comprise the Coden or TETCO Index Price, as applicable,

during the month in which Shipper's Net Monthly Imbalance

was incurred.

The Coden Index Price (in $/Dth) is equal to the sum of the

following prices published during the month in which

Shipper's Net Monthly Imbalance was incurred divided by the

number of such prices utilized by Transporter. The prices

used for the determination of the Coden Index Price shall be

the daily prices as published each day in Gas Daily in the

column "Midpoint", in the section "Daily Price Survey" under

"Louisiana - Onshore South" for:

(i) Florida Gas Transmission Company, "Florida Gas, Zone

3";

(ii) Transcontinental Gas Pipe Line Corporation, "Transco

Zone 3";