Dauphin Island Gathering Partners

First Revised Volume No. 1

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

Second Revised Sheet No. 180 Second Revised Sheet No. 180 : Effective

Superseding: Substitute First Revised Sheet No. 180

The TETCO Index Price (in $/Dth) is equal to the following

price published during the month in which Shipper's Net

Monthly Imbalance was incurred. The price used for the

determination of the TETCO Index Price shall be the daily

price as published each day in Gas Daily in the column

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

"Louisiana - Onshore South" for Texas Eastern Transmission

LP, "Texas Eastern (ELA)".

For Transportation Service Agreement(s) applicable to

Transporter's MP Facility, the Shipper's Net Monthly

Imbalance cash out price shall be pro rated between the

onshore Alabama Delivery Point ("Alabama Delivery Point")

and the Delivery Point to Texas Eastern Transmission LP at

Main Pass Block 164 ("TETCO Delivery Point").

The Coden Proration factor =

Gas Delivered under MP Transportation Service Agreements at

the Alabama Delivery Point

Gas Delivered under MP Transportation Service Agreements at

both delivery points

The TETCO Proration factor =

Gas Delivered under MP Transportation Service Agreements at

the TETCO Delivery Point

Gas Delivered under MP Transportation Service Agreements at

both delivery points

A monthly cash out amount for each Shipper applicable to the

MP Facility will be calculated based upon the sum of (i) the

adjusted Coden Index Price, as determined in Section 13.2

(b) and 13.3 (b) and (c), multiplied by the Coden Proration

Factor, multiplied by Shipper's Net Monthly Imbalance and

(ii) the adjusted TETCO Index Price, as determined in

Section 13.2 (b) and 13.3 (b) and (c), multiplied by the

TETCO Proration Factor, multiplied by Shipper's Net Monthly

Imbalance.

A monthly cash out amount for each Shipper applicable to the

DI Facility will be calculated based upon the adjusted Coden

Index Price, as determined in Section 13.2 (b) and 13.3 (b)

and (c), multiplied by Shipper's Net Monthly Imbalance.