Horizon Pipeline Company, L.L.C.

Original Volume No. 1

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Effective Date: 04/18/2002, Docket: CP00-129-001, Status: Effective

Original Sheet No. 114 Original Sheet No. 114 : Effective

GENERAL TERMS AND CONDITIONS

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3.4 INTERRUPTIBLE SERVICES

This Section 3.4 governs the priority of

interruptible services, other than secondary point services under

firm Agreements, on Horizon's System. All interruptible services

shall have equal priority for capacity in accordance with the

procedures set out in this Section 3.4.

(a) Horizon's interruptible transportation service,

other than service at secondary points under firm Agreements

(which is covered in Section 3.3), shall be provided to the

extent capacity is available after scheduling all of Horizon's

firm transportation service at primary and/or secondary points.

Horizon may decline to schedule and/or may curtail interruptible

service for any of the following reasons:

(1) If Shipper tenders gas which does not

conform to the applicable pressure or quality requirements of

these General Terms and Conditions;

(2) For reason of Force Majeure;

(3) Due to routine repair and maintenance to be

reasonably determined by Horizon;

(4) Pursuant to Section 3.8 of these General

Terms and Conditions;

(5) To rectify imbalances or to conform physical

flows to nominations to the extent consistent with the specific

Rate Schedule;

(6) To maintain System integrity;

(7) If there is a dispute over title, ownership

or right to tender or receive gas; or

(8) If capacity is required to provide a service

with higher priority.