Centerpoint Energy - Mississippi River

Third Revised Volume No. 1

Effective Date: 12/01/2002, Docket: RP03- 51-000, Status: Effective

Second Revised Sheet No. 45 Second Revised Sheet No. 45 : Effective

Superseding: First Revised Sheet No. 45

RATE SCHEDULE FSS

FIRM STORAGE SERVICE

(Continued)

8. MINIMUM MONTHLY BILL

8.1 The minimum monthly bill shall be the deliverability charge and

the capacity charge specified in Section 7.2 of this rate schedule.

9. STORAGE SERVICE FLEXIBILITY OPTION

9.1 Each year a Rate Schedule FSS Customer may elect by written notice

received by MRT on or before September 25 that its firm injection cycle shall

end for the current storage year at the end of October (rather than November

15) with its firm withdrawal cycle beginning on November 1 (rather than

November 16). Under this option, the Customer may inject 100% of its MIQ by

the end of October and its November Minimum Monthly Withdrawal requirement

shall be 7.48% (rather than 3.74%) of Maximum Customer Inventory and its

November Maximum Monthly Withdrawal level shall be 30.06% (rather than 14.68%)

of Maximum Customer Inventory. Further, Customer must withdraw a minimum of

21% (rather than 19%) of its Maximum Customer Inventory by December 31 of the

storage year in question. Except as set forth above, all other provisions of

Sections 3 and 4 of this rate schedule shall continue to apply to injections

and withdrawals subject to this option, unless waived by MRT in a non-

discriminatory manner upon request by Customer.

10. GENERAL TERMS AND CONDITIONS

10.1 The provisions of the General Terms and Conditions, as such

provisions may be amended from time to time, are hereby incorporated by

reference and made a part of this Rate Schedule FSS and shall apply to

service rendered hereunder, as though stated herein. If and to the extent

the provisions of this rate schedule conflict with the provisions of said

General Terms and Conditions, the provisions of this rate schedule shall

prevail.