Questar Overthrust Pipeline Company

Second Revised Volume No. 1-A

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

Original Sheet No. 73 Original Sheet No. 73 : Effective

GENERAL TERMS AND CONDITIONS

11.2 Interruption and Curtailment of Service.

(a) If Overthrust is unable on any day to serve all of its

Shippers, interruption or curtailment of service shall be instituted in

sequence in reverse order of priority of service specified in this section.

(b) Any interruptible Shipper paying a discounted rate, if

subject to interruption, may elect to pay a higher rate up to the maximum

rate to avoid or reduce the possibility of interruption. If Shipper so

elects, then interruption shall be according to § 11.1(f) or (g), whichever

is appropriate. If two or more Shippers are paying the same discounted rate,

then the interruption shall be prorated based on each Shipper's scheduled

daily quantities.