Trunkline Gas Company

First Revised Volume No. 1

Effective Date: 10/18/1999, Docket: RP99-483-000, Status: Effective

Fourth Revised Sheet No. 189 Fourth Revised Sheet No. 189 : Effective

Superseding: Third Revised Sheet No. 189

GENERAL TERMS AND CONDITIONS

(Continued)

9. CAPACITY RELEASE

9.1 Capacity Eligible for Release

(A) Shippers under Rate Schedules FT, EFT, QNT, LFT, FFZ, FSS and

NNS-1 shall be permitted to release their capacity on a

temporary or permanent basis, in accordance with this Section

9. Capacity which may be assigned to the Replacement Shipper

hereunder shall be limited to the firm capacity reserved by

the Releasing Shipper, as defined by the primary Points of

Receipt and the primary Points of Delivery contained in the

released capacity. Releases may be made on an interruptible

(i.e., subject to recall) or firm basis and may be billed by

Trunkline based on usage.

(B) Trunkline shall continue to sell its unsubscribed firm

capacity by providing notice of the availability of such

capacity on the Messengerþ system or by using any other

marketing services at its disposal.

9.2 Shipper Release Notice

(A) A Shipper that desires to release any or all of its firm

capacity under this Section 9 must notify Trunkline

electronically on the Messengerþ system or through electronic

data interchange of its intent to release capacity and the

terms of the release (hereinafter referred to as "Shipper

Notice"). A Shipper Notice shall be posted on the Messengerþ

system upon receipt by Trunkline or such other time which

must comply with the timeline set forth in Section 9.4(B)

herein, as requested by Releasing Shipper. This Shipper

Notice shall include:

(1) Releasing Shipper's contract number;

(2) The specific quantity of capacity to be released;

(3) If the request for release is on a permanent basis;

(4) The Points of Receipt and Points of Delivery at which

Releasing Shipper will release capacity and the quantity

of capacity to be released at each point;