Questar Pipeline Company

First Revised Volume No. 1

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

Fourth Revised Sheet No. 101 Fourth Revised Sheet No. 101 : Effective

Superseding: Third Revised Sheet No. 101

RATE SCHEDULE PKS

PEAKING STORAGE SERVICE

(Continued)

(i) The reservation charge will be stated in the PKS service

agreement and shall be no more than the maximum nor less than the minimum rate

specified in the Statement of Rates.

(ii) A shipper shall be obligated to pay the reservation charge

beginning with shipper's execution of each storage agreement.

(iii) Except as provided for in § 6.13 of the General Terms and

Conditions of Part 1 of this tariff, if shipper releases its capacity, the

shipper will remain liable for the reservation charge.

(b) Usage Charges.

(i) Injection Charge. An injection charge equal to the

applicable injection rate multiplied by the quantity of gas injected into

Questar's peaking storage reservoirs each month for shipper.

(ii) Withdrawal Charge. A withdrawal charge equal to the

applicable withdrawal rate multiplied by the quantity of gas withdrawn from

Questar's peaking storage reservoirs each month for shipper.

fuel use according to § 14 of the General Terms and Conditions of this part 2.

(d) Marketing Fee. Shipper and Questar may agree upon a fee to be

paid by shipper to Questar when Questar actively markets any storage capacity

that is released and reassigned by shipper.

(e) Other Charges. Questar shall charge shipper for any other FERC-

approved charges that may apply to service under this rate schedule.

(f) Negotiated Rates. Notwithstanding anything to the contrary

contained in this tariff, Questar and Shipper may, as provided in § 30

(Negotiated Rates) of the General Terms and Conditions of Part 1 of this

tariff, negotiate a rate for service under this rate schedule. Questar's

rates,