Black Marlin Pipeline Company

First Revised Volume No. 1

Effective Date: 12/07/2003, Docket: RP04- 52-000, Status: Effective

Third Revised Sheet No. 312 Third Revised Sheet No. 312 : Effective

Superseding: Second Revised Sheet No. 312

TRANSPORTATION SERVICE AGREEMENT

Rate Schedule ITS

(continued)

pursuant to which this service is rendered; provided, however, that the

interruptible character of service shall not be subject to change

hereunder, or (c) any provisions of the General Terms and Conditions

applicable to Rate Schedule ITS. Transporter agrees that Shipper may

protest or contest the aforementioned filings, or seek authorization

from duly constituted regulatory authorities for such adjustment of

Transporter's existing FERC Gas Tariff as may be found necessary in

order to assure that the provisions in (a), (b) or (c) above are just

and reasonable.

3.3 Transporter's Rate Schedule ITS is hereby incorporated by reference and

made a part hereof.

SECTION 4 - NOTICES

4.1 Any notice, statement, or bill provided for in this Agreement shall be

in writing and shall be considered as having been given if delivered

personally or if mailed by United States mail, postage prepaid, to

Shipper when sent to the address set forth on the face of this Agreement

and to Transporter when sent to the following:

Notices Regarding Nominations, Scheduling, or Invoices:

Black Marlin Pipeline Company

One Williams Center

Tulsa, OK 74172

Attn: Gas Management

Other Notices: Black Marlin Pipeline Company

P.O. Box 1396

Houston, TX 77251 OR

2800 Post Oak Blvd.

Houston, TX 77056

Attn: Contract Operations

Payments: Lockbox

Black Marlin Pipeline Company

21683 Network Place

Chicago, IL 60673-1216

Wire Instructions

Black Marlin Pipeline Company

A/C #: 632558557

ABA 071000013

Bank One, Chicago