Questar Overthrust Pipeline Company

Second Revised Volume No. 1-A

Effective Date: 01/01/2008, Docket: RP08- 89-000, Status: Effective

First Revised Sheet No. 11 First Revised Sheet No. 11 : Effective

Superseding: Original Sheet No. 11

RATE SCHEDULE FT

FIRM TRANSPORTATION SERVICE

tracted RDC on this rate schedule), (b) is interruptible, and (c) is subject

to the authorized overrun charge.

3. RATE PROVISIONS

3.1 Specified Charges. All charges for transportation service under

this rate schedule, except as provided for in § 3.4 (Negotiated Rates) of

this rate schedule, shall be those listed in the currently effective

Statement of Rates, as adjusted from time to time. The charges shall include

the following:

(a) Reservation Charge. A monthly reservation charge shall be

assessed for each Dth of Shipper's RDC, subject to the following conditions:

(i) The reservation charge shall be stated in the

transportation 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

charge beginning with Shipper's execution of a transportation service

agreement.

(iii) In the event the effective date of any Rate

Schedule FT transportation service agreement occurs on any day other than the

first day of a month, or the termination of any Rate Schedule FT

transportation service agreement occurs on any day other than the last day of

a month, then the RDC used in the calculation of the reservation charge for

such partial month shall be adjusted based on the ratio of the number of days

that transportation service was in effect to the total number of days in such

month.

(iv) Shipper's obligation to pay the reservation charge

shall not be terminated or reduced under any circumstance, except by a

reduction in Shipper's RDC agreed to by Overthrust. Except as provided for

elsewhere in this tariff, if Shipper releases its capacity, Shipper will

remain liable for the reservation charge.

(b) Usage Charge. Shipper shall pay the appropriate usage

charge for all gas delivered by Overthrust for transportation. The usage

charge shall be stated in the