Questar Overthrust Pipeline Company

Second Revised Volume No. 1-A

Effective Date: 02/01/2010, Docket: RP10-321-000, Status: Effective

First Revised Sheet No. 8 First Revised Sheet No. 8

Superseding: Original Sheet No. 8

Footnotes

1/ Shippers frequently, even daily, seek to amend receipt and/or delivery

measurement and allocation points (MAP) under these contracts. However,

these amendments are usually limited to one or two points and all MAP changes

that are granted are kept on file indefinitely.

2/This contract does not deviate in any material aspect from the Form of

Service Agreement.

3/ Commencing on date facilities are placed in service and continuing for ten

years.

4/ The maximum rate in Overthrust's Statement of Rates.

5/ This contract has been filed as non-conforming under Docket No. RP09-824-

000.

6/Fixed reservation charge of $2.25692/Dth/Month, which is above the current

systemwide maximum reservation rate in Overthrust's Statement of Rates. If

the maximum tariff rate is reduced, the reservation charge would be the

maximum rate plus $0.09125/Dth/Month, but not greater than

$2.25692/Dth/Month. If the maximum tariff rate increases, the charge will

not exceed $2.25692/Dth/Month.