Questar Overthrust Pipeline Company

Second Revised Volume No. 1-A

Effective Date: 04/25/2007, Docket: RP07-360-000, Status: Effective

Original Sheet No. 72 Original Sheet No. 72 : Effective

GENERAL TERMS AND CONDITIONS

11. PRIORITY, INTERRUPTION OR CURTAILMENT OF SERVICE

11.1 Priority of Service. Shippers receiving or requesting service on

Overthrust's system shall be entitled to service subject to the availability

of pipeline capacity on Overthrust's system in the following order of

declining priority:

(a) All firm transportation service provided at primary receipt

and delivery points.

(b) All firm transportation service provided at alternate

receipt and delivery points that are within the flow path described by the

service agreement primary receipt and delivery points. If two or more

Shippers have the same priority, available capacity will be prorated on the

basis of their RDC.

receipt and/or delivery points that are outside the flow path described by

the service agreement primary receipt and delivery points and any backhauls.

If two or more Shippers have the same priority, available capacity will be

prorated on the basis of their RDC.

(d) All interruptible transportation service by rate paid from

highest to lowest. Where two or more Shippers are paying the same rate,

available capacity shall be scheduled pro rata based on each Shipper's daily

nominations.

(e) All authorized overrun transportation service prorated

based on the amount requested by each Shipper.