Transwestern Pipeline Company

Second Revised Volume No. 1

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Effective Date: 09/01/1999, Docket: RP99-456-001, Status: Effective

Substitute Original Sheet No. 20A Substitute Original Sheet No. 20A : Superseded

Superseding: Original Sheet No. 20A

RATE SCHEDULE LFT

Limited Firm Transportation Service

1. AVAILABILITY

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This Rate Schedule is available for firm transportation service by Transwestern

Pipeline Company (Transporter) for any Shipper:

A. When Shipper has entered into an LFT Service Agreement of the form

contained in Transporter's FERC Gas Tariff, and

B. Where capacity is available on Transporter's system for such firm

transportation service.

2. APPLICABILITY AND CHARACTER OF SERVICE

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Capacity posted as available for LFT Service shall be firm capacity that has not

been previously subscribed. Gas transported by Transporter for Shipper under this

Rate Schedule shall be on a firm basis subject to Transporter's right not to

schedule service in whole or in part on any day (a "Limited Day"), but not more

than a maximum number of Limited Days (not to exceed ten (10)) per month agreed

upon by Transporter and Shipper in the LFT Service Agreement ("Maximum Number of

Limited Days"). Transporter shall be obligated on any day that is not a Limited

Day to receive from Shipper for transportation hereunder the quantity of gas made

available by Shipper for transportation from Primary Receipt Points, provided,

however, that such quantity shall not exceed the Maximum Daily Transportation

Quantity (MAXDTQ) specified in the Service Agreement, exclusive of Transport Fuel.

Transporter may also receive from Shipper for transportation hereunder the

quantity of gas made available by Shipper for transportation from Alternate

Receipt Points, provided, however, that the sum of the quantity of gas made

available by Transporter for transportation from Primary and Alternate Receipt

Points shall not exceed the MAXDTQ specified in the Service Agreement, and subject

to the provisions of Section 22 of the General Terms and Conditions of this

Tariff. Transporter shall make available for delivery to Shipper at the Primary

Delivery Point(s) specified in the Service Agreement, as may be amended upon

mutual agreement from time to time, and subject to the availability of capacity

and any pending request for capacity, or at Alternate Delivery Points on an

interruptible basis, the same quantities received as measured, less Transport

Fuel, in accordance with Sections 4 and 22 of the General Terms and Conditions of

this Tariff.

2.1 Term

The period of time to be covered by the Service Agreement shall be determined by

agreement between the parties.

2.2 Posting of Available Capacity

LFT capacity available for up to a one-month term will be posted on the EBB for a

minimum of one (1) day prior to awarding such capacity; LFT capacity available for

more than a one-month term will be posted on the EBB for a minimum of two (2)

days.