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

Original Sheet No. 786A Original Sheet No. 786A

RATE SCHEDULE PHS SERVICE AGREEMENT (PARK/LOAN)

TSA No. _____________

[FOR WRITTEN AGREEMENTS:

Please sign below and return this agreement to the fax number provided above. If Transporter does not

receive a signed confirmation within forty-eight (48) hours of transmittal, but Shipper nominates and

flows gas consistent herewith, Shipper has accepted the terms hereof without changes. Transporter may

void this confirmation if not accepted by Shipper within forty-eight (48) hours.

[SHIPPER] CENTERPOINT ENERGY GAS TRANSMISSION COMPANY

By:_______________________________________ By:____________________________________

Name:_____________________________________ Name:__________________________________

Title:____________________________________ Title:_________________________________

Date:_____________________________________ Date:__________________________________]

[FOR ELECTRONIC AGREEMENTS: [Upon Transporter's acceptance of this document (which shall constitute the

parties' execution of such document) the terms hereof shall become effective.] [Upon Shipper's submission of

the electronic document specifying the terms of its transaction, the terms of this Agreement shall become

effective.]