Questar Pipeline Company

First Revised Volume No. 1

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

Fourth Revised Sheet No. 141 Fourth Revised Sheet No. 141 : Effective

Superseding: Third Revised Sheet No. 141

RATE SCHEDULE FSS

FIRM STORAGE SERVICE

(Continued)

4. RATES AND CHARGES

The rates and charges paid by shipper for firm storage service under

this rate schedule, except as provided in § 4(j) (Negotiated Rates) of this

rate schedule, shall include the applicable storage rate components set out on

the Statement of Rates as described below:

(a) Reservation Charges. (1) A monthly deliverability charge on each

Dth of shipper's minimum required deliverability (MRD) quantity as stated in

shipper's storage service agreement and (2) a monthly inventory capacity

charge on each Dth of shipper's annual working gas quantity as stated in

shipper's storage service agreement shall be assessed subject to the following

conditions:

(i) The reservation charges will be stated in the storage

service agreement and shall be no more than the maximum nor less than the

minimum rate specified in the Statement of Rates.

(ii) Shipper shall be obligated to pay the reservation

charges beginning with shipper's execution of a storage service 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,

shipper will remain liable for the reservation charges.

(b) Usage Charges.

(i) An injection charge equal to the applicable injection

rate multiplied by the quantity of gas injected into Questar's facilities each

month for shipper.

(ii) A withdrawal charge equal to the applicable withdrawal

rate multiplied by the quantity of gas withdrawn from Questar's facilities

each month for shipper.

shall be equal to the applicable storage overrun rate multiplied by the

authorized overrun storage volume, as defined in § 1.10 of the General Terms

and Conditions of this part.