Centerpoint Energy - Mississippi River

Third Revised Volume No. 1

Effective Date: 01/01/1995, Docket: TM95-4-25-001, Status: Effective

Sub 1 Revised Sheet No. 213 Sub 1 Revised Sheet No. 213 : Effective

Superseding: First Revised Sheet No. 213

GENERAL TERMS AND CONDITIONS

(Continued)

17. INTERRUPTIBLE REVENUE CREDITING MECHANISM (Continued)

(b) The Interruptible Revenue Credit Refund applicable to

Rate Schedule FSS shall be distributed in proportion to the

percentage of total deliverability component revenues paid by each

storage Customer to the total deliverability component revenues

paid by all such storage Customers during the Interruptible

Revenue Credit Accumulation Period.

17.3 Derivation of Excess Revenues

(a) For each Interruptible Revenue Credit Accumulation

Period, Excess Revenues shall be ninety percent (90%) of the

difference between actual revenues received under Rate Schedules

ITS, ISS and service under AOS and the sum of the following:

(i) the variable cost incurred in providing

interruptible service under Rate Schedules ITS and ISS and

service under AOS. For purposes of this Section, variable

costs shall be the product of the quantity of gas delivered,

injected or withdrawn pursuant to Rate Schedules ITS and ISS

during the Interruptible Revenue Credit Accumulation Period

times the minimum applicable rates under Rate Schedules ITS

and ISS and AOS services, plus ACA and GRI charges as

applicable, as set forth on effective Sheet Nos. 7, 8 and 10

of this tariff.