Trunkline Gas Company

First Revised Volume No. 1

Effective Date: 01/14/1999, Docket: RP99-182-000, Status: Effective

Sixth Revised Sheet No. 223 Sixth Revised Sheet No. 223 : Effective

Superseding: Fifth Revised SHeet No. 223

GENERAL TERMS AND CONDITIONS

(Continued)

24.INTERRUPTIBLE STORAGE REVENUE CREDIT SURCHARGE ADJUSTMENT

A surcharge shall be applied to the base reservation rates under Rate

Schedules FT, EFT, QNT and LFT; the base usage rates under Rate

Schedules SST, IT and QNIT; and the base volumetric rate under Rate

Schedule FFZ to flow back to Shippers thereunder certain revenues

derived from operations under Rate Schedule ISS computed in accordance

with this Section 24. Trunkline shall be permitted to retain all

interruptible revenues that are not flowed back to Shippers pursuant to

this Section 24.

24.1 Filing of the Interruptible Storage Revenue Credit Surcharge

Adjustment

(A) Effective Date of Adjustment

The effective date of the Interruptible Storage Revenue

Credit Surcharge Adjustment shall be the first December 1

occurring after the effectiveness of the Stipulation and

Agreement filed on January 20, 1995 in Docket No. RP94-164-

006, and each subsequent December 1 thereafter.

(B) Filing Procedure

At least thirty (30) days prior to the Effective Date of

Adjustment, Trunkline shall file with the Commission, and

post as defined in Section 154.2(d) of the Commission's

Regulations, a schedule of the Effective Base Rates and

Effective Rates after Rate Adjustment under Section 24 on

effective Tariff Sheet Nos. 6, 7, 8, 9, 9A, 9B, 10 and 10A,

together with supporting documentation. With respect to the

adjustment described herein, such filing shall be in lieu of

any other rate change filing required by the Commission's

Regulations under the Natural Gas Act.