Centerpoint Energy - Mississippi River

Third Revised Volume No. 1

Effective Date: 01/21/2008, Docket: RP08-135-000, Status: Effective

Fifth Revised Sheet No. 267 Fifth Revised Sheet No. 267 : Effective

Superseding: Fourth Revised Sheet No. 267

Contract #__________________

TRANSPORTATION SERVICE AGREEMENT

FOR RATE SCHEDULE [FTS, SCT AND ITS]

EXHIBIT B

[If more than one Agreement is covered by an Exhibit B, specify other contract numbers.]

Customer agrees to pay the rates specified on this Exhibit B for performance of certain gas transportation

service under the Agreement(s) specified above. These rates are applicable only in accordance with the

following:

RATES AND APPLICABILITY:

(a) General: In consideration for Customer's continuing compliance with the provisions of the

Transportation Service Agreement(s) ("Agreement") specified above, the transportation rates and charges

as defined below for the specified services provided under the Agreement only apply to receipts from,

and subsequent deliveries to, the Points of Receipt and Delivery, quantities and/or time periods

described herein and to reserved capacity necessary to effect such service. In addition to any rate or

amount referred to herein (including discounted rates, Negotiated Rates, overrun rates and maximum

tariff rates), Customer shall pay any applicable charges, penalties, surcharges, fees, taxes,

settlements and/or direct billed amounts provided for in MRT's tariff. In any event, the rate in any

month shall never be below MRT's applicable minimum tariff rate for a discount rate transaction. For a

Negotiated Rate transaction, the rate in any month shall never be below MRT's applicable minimum tariff

rate, unless MRT otherwise agrees. MRT shall not be responsible for the payment and satisfaction of

any taxes assessed or levied on the receipt, transmission (and any activities in connection therewith),

delivery, use and/or consumption with respect to gas delivered or received by Customer, unless MRT

agrees otherwise.

(b) Inability to Collect Negotiated Rates: If this Exhibit B covers a Negotiated Rate transaction, and

MRT is unable to collect Negotiated Rates due to a change in Commission policy or rejection of the

transaction by the Commission prior to or during the term of such transaction, then, unless the parties

agree otherwise, Customer shall pay the maximum tariff rate for the services. In such event, MRT shall

notify Customer in writing of the requirement to pay maximum tariff rates and, if the maximum tariff

rates are greater than the Negotiated Rates under such transaction, Customer shall have no more than

thirty (30) days from the date of such notification to give notice in writing of termination of the

applicable Agreement, with such termination to be effective no later than the end of the month

following the month in which such termination notice is received.

be:______________________________________________________

(d) Description of Rate: Negotiated Rate_____ Discounted Rate_____ (Check one)

[Describe terms of discounted or Negotiated Rate as permitted by the tariff and applicable Commission

policy and precedent.]

(e) Term of Rate: Begin Date(s):_____________________________

End Date(s): _____________________________

(f) Authorized Overrun: [For discounted rate transactions, any authorized overrun quantities shall be

at the following rate:__________________________________.] [For Negotiated Rate transactions, unless

MRT agrees otherwise, the rate for any authorized overrun quantities shall be the greater of the

maximum tariff rate or the rate described in this Exhibit B.]