Questar Southern Trails Pipeline Company

Original Volume No. 1

Effective Date: 10/14/2008, Docket: CP99-163-004, Status: Effective

First Revised Sheet No. 111 First Revised Sheet No. 111

Superseding: Original Sheet No. 111

GENERAL TERMS AND CONDITIONS

March 31 shall be: the sum of the 12 months' actual monthly gas consumption

and lost or gained and unaccounted-for quantities; less the sum of the month's

FGRP quantity collected, as adjusted to exclude the variance-adjustment

component of the FGRP plus the unamortized balance of the prior July 1 through

June 30 amortization period; all divided by actual annual transportation

receipt volumes for the 12 months ended March 31, as adjusted for anticipated

changes in system operations. Monthly variances will be accumulated in the

appropriate accounts. The variance adjustment component of the FGRP will be

used to amortize the previous 12 months ended March 31 variance account

balance over the 12-month period July l through June 30.

reimbursement report on June 1 of each year that illustrates the application

of its fuel reimbursement provision for the 12 months beginning April 1 of the

previous year and establishes a variance adjustment to be effective during the

12-month period July 1 through June 30 based on the 12 months ended March 31,

as provided in paragraph 30, (b)(iii). The fuel reimbursement report will

show how the monthly fuel reimbursement percentages were calculated and

illustrate how the monthly projected fuel percentages were reconciled with

actual fuel usage for the 12 months ended each March 31st.

(d) The initial FGRP is 1.68 percent.