Trunkline Gas Company, LLC

Third Revised Volume No. 1

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Effective Date: 08/01/2003, Docket: RP03-534-000, Status: Effective

Original Sheet No. 297 Original Sheet No. 297 : Effective

GENERAL TERMS AND CONDITIONS

(Continued)

24. INTERRUPTIBLE STORAGE REVENUE CREDIT SURCHARGE ADJUSTMENT (Continued)

(C) Interruptible Storage Revenue Credit Surcharge Adjustment

Period

The Interruptible Storage Revenue Credit Surcharge Adjustment

Period shall consist of each consecutive annual period

commencing with the effective date of the Interruptible

Storage Revenue Credit Surcharge Adjustment described in

Section 24.1 (A) hereof.

(D) Effective Rate After Interruptible Storage Revenue Credit

Surcharge Adjustment

The effective Reservation, Usage and Volumetric Charges under

Rate Schedules FT, EFT, QNT, LFT, SST, IT, QNIT and FFZ shall

be the base rates for each such Rate Schedule, as adjusted to

reflect the Interruptible Storage Revenue Credit Surcharge

Adjustment, and as shown on the currently effective Tariff

Sheet Nos. 10, 11, 12, 13, 14, 15, 16 and 17.

24.2 Computation of Interruptible Storage Revenue Credit Surcharge

Adjustment

(A) The Interruptible Storage Revenue Credit Surcharge Adjustment

shall be determined by dividing (1) the Interruptible Storage

Revenue Credit Amount by (2) the total reservation billing

determinants underlying Trunkline's currently effective

rates, adjusted as necessary to reflect retroactive changes

to such reservation billing determinants, for Rate Schedules

FT, SST, EFT, QNT, LFT, FFZ, IT and QNIT. The Interruptible

Storage Revenue Credit Surcharge Adjustment shall be

converted to reflect the applicable load factor for service

under Rate Schedules SST, FFZ, IT and QNIT.