Questar Pipeline Company

First Revised Volume No. 1

Effective Date: 07/25/2005, Docket: RP05-401-000, Status: Effective

Sixth Revised Sheet No. 55 Sixth Revised Sheet No. 55 : Effective

Superseding: Fifth Revised Sheet No. 55

PART 1

GENERAL TERMS AND CONDITIONS

(Continued)

(a) Present value formula:

(Monthly Reservation Charge ) x [1-(1+i)-n ]=Present Value

( Per Unit ) [ i ] per Unit

Where: i = interest rate per month, i.e., overall rate of return

divided by 12 months.

n = term of the agreement, in months.

(b) If two or more firm shippers have the same present value

and Questar's capacity is insufficient to serve the shippers, capacity will be

allocated pro rata between these firm shippers.

meets the rates, terms and conditions specified in Questar's notice.

(d) To document the award of the capacity to the successful

bidding shipper, Questar will place a service agreement between Questar and

the bidding shipper on Questline conforming to the terms of the shipper's bid.

Since the bidding shipper is bound by its bid, no further shipper acceptance

will be required.

5.9 Requests for Discounts. Questar is not required to accept a

request for a discount that is less than the posted minimum acceptable rate

for the posted uncommitted firm capacity.

5.10 Notice of Awarded Capacity. Within one business day after

capacity has been awarded, Questar shall post the following information

regarding each transaction on Informational Postings for a period of 90 days:

(a) The name of the shipper and the identification number.

(b) The transaction number.

agreement.

(d) Whether or not the shipper is a marketing or energy

affiliate of Questar.

(e) Any applicable special terms and conditions