Questar Pipeline Company

First Revised Volume No. 1

Effective Date: 08/01/2005, Docket: RP05-467-000, Status: Effective

Seventh Revised Sheet No. 164 Seventh Revised Sheet No. 164 : Effective

Superseding: Sixth Revised Sheet No. 164

PART 3

GENERAL TERMS AND CONDITIONS

(Continued)

releasing shipper's contracted annual working gas volume. However, release of

injection capacity will not result in a release of a shipper's annual working

gas volume.

6. TRANSFER OF GAS IN STORAGE

6.1 A shipper may transfer between the shipper's FSS and ISS accounts,

or to another shipper's account, quantities of natural gas that have been

injected for storage. A shipper making a transfer must provide Questar with

immediate electronic, written or facsimile notice of the transfer. The notice

must include the account from which the gas will be transferred, the account

that the gas will be transferred to, the date of the transfer and the quantity

of gas to be transferred. Transfers will be valid only after proper

notification to Questar.

6.2 A shipper may also transfer gas between a Clay Basin storage

account and a PAL1 account so long as the transfer was scheduled at the time

the shipper entered into a PAL1 service agreement. All transfers must be made

according to the schedule set forth in the PAL1 service agreement.

6.3 No transfer of gas may be made unless the party receiving the

transfer is a storage customer of Questar and that customer has contracted for

capacity in an amount sufficient to receive transferred quantities of gas.

7. EXERCISE OF RIGHT OF FIRST REFUSAL

Upon expiration of the term of the Clay Basin storage service agreement,

an existing shipper shall have the right of first refusal as defined in the

General Terms and Conditions of Part 1 of this tariff.

8. CREDITWORTHINESS

Questar shall not be required to perform storage service for any shipper

who fails to satisfy the creditworthiness criteria stated in the General Terms

and Conditions of Part 1 of this tariff.