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Wyoming Pipeline Authority October 26, 2010

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“New” Questar Corporation

Questar Pipeline Updates- Clay Basin Storage

Expansion Projects                                         

- Overthrust Pipeline Company

- Questar Pipeline Company

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Questar Corp.

Questar Gas

Questar Pipeline Wexpro

QEP Resources

QEP Energy

QEP Field Services

QEP Marketing

Retail Distribution

Interstate Transportation

Production

MarketingGathering & Processing

Exploration & Production

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Questar Corp.

Questar Gas Questar Pipeline Wexpro

Utility Interstate Pipeline Dedicated Production

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Questar Pipeline System Map

Clay Basin Storage

Legend

Natural Gas Hub

Clay Basin Storage

Overthrust Pipeline

Questar Pipeline

Utah Colorado

Wyoming

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0

500

1,000

1,500

2,000

2,500

2006 2007 2008 2009 2010*

Export Pipeline Utilities

* projected 2010 based on Q1

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0

10

20

30

40

50

60

APR MAY JUN JUL AUG SEP OCT NOV DEC JAN FEB MAR

Clay Basin Working Gas Inventory

Min/Max Range AVG 00‐10 '05‐06 '06‐07 '07‐08 '08‐09 '09‐10 '10‐11

MM dths

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Overthrust 43‐Mile Loop Expansion 2011

New Facilities 43 miles / 36” pipelineIncremental Capacity 800 MDth/d West Flow 100 MDth/d East Flow

Contracted Capacity ~600 MDth/d @ 10 Year Term

100 MDth/d available

FERC Order Received August 31, 2010 – currently under construction

In Service November 2010 (early) to support Ruby Pipeline

REX

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10

Overthrust Pipeline 43‐mile Loop Expansion 

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Topaz Ridge Meter Station @ Ruby Pipeline

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12

Topaz Ridge Meter Station @ Ruby Pipeline

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0

500,000

1,000,000

1,500,000

2,000,000

2,500,000

2006 2007 2008 2009 2010 2011

Volume (Dth/d)

East Flow

West Flow

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• Facilitates Gas Flow to/fromWRHFidlar Station 

Reconfiguration

• Greater Access to Gas Supply ‐Receipt Point Amendments

ML  104 Extension to Fidlar

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Greater GreenRiver Basin  

WYOMING

UTAH COLORADO

FIDLAR

Kanda/Coleman

Clay BasinStorage

Natural Gas Hub

Overthrust Pipeline

Questar Pipeline

Uinta Basin   50,000 Dth/dayMainline 68

↑ 47,500  Dth/day

21,160 Dth/day   ↑

TransColorado

OverthrustWIC and CIG

Southern Star

Questar Gas

Northwest

↓

↑

↓

←

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ML 104

Fidlar Station

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Planned In-Service: 4Q 2010

Facilitates gas flow between Fidlar and the WRHIncremental capacity will be posted to QPC’s website 

25 MDth/d East Flow30 MDth/d West Flow

Restage two Solar units, replace/modify pipeRetest ML 68 to operate at higher MAOP  (1,250 psig)

Highlights:

ML 68  14”

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23.5 Mile Extension of ML 104 to Fidlar  ‐ completes loop of M.L. 40

Initial Open Season December 2008 – Contract support finalized 

Offered firm shippers holding capacity between Fidlar and Goshen to amend receipt points east to Fidlar

Required term extension – 10 years and tariff rate at $0.17652/Dth

FERC Certificate application to be filed October 2010

Proposed In‐Service ‐ November 2011

KRGT

WIC

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