Centerpoint Energy Gas Transmission Company

Sixth Revised Volume No. 1

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Effective Date: 03/18/2010, Docket: RP10-383-000, Status: Effective

Second Revised Sheet No. 787A Second Revised Sheet No. 787A

Superseding: First Revised Sheet No. 787A

ATTACHMENT A

SUPPLEMENTING THE

RATE SCHEDULE PHS (PARK/LOAN)

TRANSPORTATION SERVICE AGREEMENT BETWEEN CEGT

AND _____________________________________

[DATED___________________]

(TSA NO._______________)

1) SHIPPER INFORMATION:

Shipper's Name: [____________________]

[Address/Contact Information for Shipper:]

[Type of Entity] [State of Establishment]

2) TERM:

[Effective Date: __________ End Date: __________] [Evergreen [Yes] [No] [If yes,

describe:_____]]

3) QUANTITIES, POINTS, SERVICE AND RATE:

[[Maximum Aggregate Quantity] [[Maximum Aggregate Quantity]

[(MAQ Park) _____ Dth] [(MAQ Loan) _____ Dth]

[[Maximum] [Minimum] Quantities] [[Maximum] [Minimum] Quantities]]

[Other TSA No(s).: _____________________________]

[Points: Removal of

[Parking [ID No.]Quantity (Dth/__)[Date(s)]Parked Quantities Quantity (Dth/__) [ID No.] [Date(s)]

_______ _____ _______________ _________ _________________ ________ _______ _______ _______]

Return of

[Loaning [ID No.]Quantity (Dth/__)[Date(s)]Loaned Quantities Quantity (Dth/__) [ID No.] [Date(s)]

_______ _____ ________________ _________ _________________ ________ _______ _______ _______]

[Rate ($/Dth): Activity _____________ Inventory _____________]

[Advance Fee (if any): __________________]

[AutoPAL option elected: ___ Yes ___ No; See Rates and Clarifications]

[Nomination Balancing Service option elected: ___ Yes ___ No]

[Rates and Clarifications: _______________________________________________________________]

[For Written Agreements:

Executed by a duly authorized representative of each party hereto, in the space provided below:

TRANSPORTER: [SHIPPER]:

CENTERPOINT ENERGY GAS TRANSMISSION [NAME OF SHIPPER]

COMPANY

By:____________________________________________ By:_________________________________________________

Name:__________________________________________ Name:_______________________________________________

Title:_________________________________________ Title:______________________________________________

Date: ________ Date:______________________________________________]

[For Electronic Agreements: Upon CEGT's acceptance of this document (which shall constitute the parties'

execution of such document), the terms of this document shall become effective.] Upon Shipper's submission of

the electronic document specifying the terms of its transaction, the terms of this Agreement [including]

[Attachment A] shall become effective.]

[For Electronic Agreements: Upon Shipper's receipt of confirmation and unless Shipper notifies CEGT in writing

within [ ], the terms of the confirmation shall become effective unless CEGT otherwise agrees.]