Mississippi Canyon Gas Pipeline, LLC

First Revised Volume No. 1

Effective Date: 05/22/2005, Docket: RP05-280-000, Status: Effective

First Revised Sheet No. 304 First Revised Sheet No. 304 : Effective

Superseding: Original Sheet No.304

FORM OF RESERVE COMMITMENT AGREEMENT

(cont'd)

ARTICLE V TERM - (cont'd)

[For Shippers committing Ursa Field only:]

Prior to the initial service under this Agreement, Shipper

may terminate this Agreement on thirty (30) days' written

notice to Transporter in the event no plan of development is

approved for Ursa Field or in the event Shipper does not

consent to the approved plan of development for Ursa Field.

ARTICLE VI

NOTICE

Except as otherwise provided in the General Terms and

Conditions of Transporter's FERC Gas Tariff applicable to

this Agreement, any notice under this Agreement shall be in

writing and mailed to the post office address of the Party

intended to receive the same, as follows:

TRANSPORTER: MISSISSIPPI CANYON GAS PIPELINE, LLC

1100 Louisiana, Suite 3300

HOUSTON, TEXAS 77002

ATTENTION: TRANSPORTATION SERVICES

TELEPHONE NO.

FACSIMILE NO.

SHIPPER: NOTICES: _____________________

_____________________

ATTENTION: _____________________

Telephone No.________

Facsimile No.________

BILLING: _____________________

_____________________

ATTENTION: _____________________

Telephone No.________

Facsimile No.________

or to such other address as either Party shall designate by

formal written notice to the other.