Questar Overthrust Pipeline Company

Second Revised Volume No. 1-A

Effective Date: 12/15/2007, Docket: RP08- 71-000, Status: Effective

First Revised Sheet No. 118 First Revised Sheet No. 118 : Effective

GENERAL TERMS AND CONDITIONS

calculated for each compressor station and for ML&U. Monthly variances will

be accumulated in the appropriate accounts. The variance adjustment

component of the monthly fuel-gas reimbursement factors will be used to

amortize the previous 12 months ended May 31 variance account balance over

the 12-month period September l through August 31.

Annual Compressor Variance Adjustment Factors = (ACU - CCU + B) / ARC

ACU = Sum of 12 months' actual compressor station use quantities

for period ending May 31

CCU = Sum of 12 months' compressor station quantities collected by

FGRP for period ending May 31

B = Unamortized compressor use balance for prior September 1

through August 31 amortization period

ARC = Projected annual compressor station transportation

receipt quantities

Annual ML&U Variance Adjustment Factor = (AL&U - CL&U + B) / AR

AL&U = Sum of 12 months' actual ML&U quantities for period ending

May 31

CL&U = Sum of 12 months' ML&U quantities collected by FGRP for period

ending May 31

B = Unamortized ML&U balance for prior September 1 through

August 31 amortization period

AR = Projected annual transportation receipt quantities

35.5. Annual filing. Overthrust will file an annual fuel reimbursement

report on July 31 of each year that illustrates the application of its fuel

reimbursement provision for the 12 months ended May 31 and establishes

variance adjustments to be effective during the 12-month period September 1

through August 31 based on the 12 months ended May 31. The fuel

reimbursement report will illustrate how the monthly projected fuel

percentages were reconciled with actual gas used in transmission-system

operations and lost or gained and unaccounted-for gas for the 12 months ended

each May 31.