Questar Pipeline Company
Summary of Short-Term AvailabLe Capacity
Revised  June 26 , 2008

Firm T-1	From	To	Minimum Acceptable Rates
Delivery Capacity (Dth/d)	Receipt Points 1	Delivery Points 1	Monthly Reservation Charge Per Dth 2	Equivalent Rate per Dth at 100 % Load Factor 2
0	System-wide receipts	TransColorado	Max Rate	$.17652
3,000	Northern system various Overthrust area points	Questar Gas Wasatch Front	Max Rate	$.17652
16,870	Northern system points	Northwest at Crossover 16	Max Rate	$.17652
60,670	QPC on Overthrust	Kern River at Roberson Creek	Max Rate	$.17652
16,360	Capacity to Overthrust thru Eakin	Kern River at Roberson
44,000	Northern system East of Kanda	WIC, CIG or QOPC	Max Rate	$.17652
58,530	Northern system points West of Kanda	WIC, CIG or QOPC	Max Rate	$.17652
4,000	Southern system various points	CIG at Natural Buttes	Max Rate	$.17652
0	Northern system points	Williams at Skull Creek	Max Rate	$.17652
0	Fidlar	Clay Basin on ML 80	Max Rate	$.17652
0	Oak Spring	Payson on ML 41	Max Rate	$.17652
27,400	Northern system West of Map #318	Map 318  General Chemical	$1.43962	$.05000
0	Northern system East of Map #318	Map 318 General Chemical	$2.35212	$.08000
27,400	Northern system West of Map #307	Map 307-General Chem #6	$1.43962	$.05000
0	Northern system East of Map #307	Map 307-General Chem #6	$2.35212	$.08000
Receipt and delivery points not listed above.			Max Rate	$.17652

Questar Pipeline Company's maximum Monthly Reservation Charge is $5.28804 per Dth.

Questar may agree, through acceptance in its contracting system, to allow a variety of discounts between its maximum and minimum rates under any rate schedule in its tariff without undue discrimination. Such discounts may be in addition to a base discount and will not be considered a material deviation from Questar's forms of service agreements when Questar and Shipper agree that a discount applies.

Monthly unsold capacity reports are posted on the Unsubscribed capacity section of the Questar Pipeline website.  The reports include the following:

The Map of short term unsold report is a flow diagram showing unsold firm capacity.

The Short-term unsold  -- map point listing report shows all system-wide available short term capacity at all receipt and delivery points.  The report allows shippers to query the system to determine available capacity at specific receipt and delivery points.

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(1) Refer to the Short term unsold -- map point listing report for capacity at specific receipt and delivery points.

(2) The Short term unsold - map point listing report indicates what receipt and delivery points require the use of third party facilities (OT*-Questar Overthrust Pipeline).  Shipper shall be responsible for paying any third party transportation or processing costs in addition to Questar Pipeline's maximum T-1 transportation rate.  Shipper's bid must include any reservation fees associated with these third party fees.  If the total reservation fee exceeds Questar's maximum reservation rate, then Shipper's bid must also include language that reflects they are willing to pay a negotiated rate.  Contact your marketing representative to establish any additional charges that would be necessary.

The current incremental monthly reservation charge for capacity that requires Questar Overthrust Pipeline Company backhaul is $1.06458 per Dth.  Contractual agreements that incur the additional backhaul charge above the maximum rate will be filed with the Federal Energy Regulatory Commission with a negotiated rate prior to gas flowing.

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