WYOMING PIPELINE AUTHORITY

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Market Resources
WYOMING PIPELINE AUTHORITY
AUGUST 26, 2003
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Questar Market Resources
Wexpro Company
Questar E P
Questar Gas Management
Questar Energy Trading
Wholesale energy marketing, trading, storage and
risk-management services
Natural gas gathering and processing services
Manages and develops cost-of-service properties
for Questar Gas
Oklahoma City Division
Tulsa Division
Rocky Mountain Division
Uinta Division
EP activities in the Anadarko Basin
(Midcontinent) and Texas Panhandle regions
EP activities in the Midcontinent, East Texas/
Upper Gulf Coast and Arkoma Basin regions
EP activities in the Rocky Mountain and San Juan
Basin regions
EP activities in Uinta Basin, Utah
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MARKET RESOURCES GROUP CORE AREAS IN WYOMING
PINEDALE
Jackson
Mesa, Stewart Point
Powder River Basin
WASHAKIE BASIN Dripping Rock-Wedge,Wamsutter
Wind River Basin
Wind River Mtns
ID
Green River Basin
ROCK SPRINGS UPLIFT Brady, S. Baxter
Overthrust Belt
UT
Great Divide Basin
Rock Springs Uplift
Washakie Basin
Cheyenne
WY
Salt Lake City
MOXA ARCH Church Buttes, Henry, Bruff
CO
Sand Wash Basin
Uinta Mtns
Vernal
D-J Basin
Uinta Basin
VERMILLION BASIN Hiawatha, Canyon Creek, Kinney
Denver

Piceance Basin
UT
CO
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• 633,000 Gross and 394,000 Net Leasehold Acres in
  Wyoming
• 1200 Working Interest Wells in Wyoming (46
  operated)
• Operated Gross Daily Production in Wyoming
  260,000 MCF and 2000 BO
• Net Daily Production in Wyoming
  172,000 MCF and 2050 BO
• Wyoming Net Reserves 710 BCFE (46 of Questar
  Total)
• (all numbers approximate as of March 31, 2003 for
  QEP and Wexpro)

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PINEDALE DEVELOPMENT PROJECT

• GREEN RIVER BASIN
• Pinedale Anticline
• Mesa and Stewart Point
• Lance and Mesaverde Fms.
• 2003 - 115,000,000 gross CAPEX (26 wells)
• Anticipate 30-40 wells/yr in 2004 and beyond
• Up to 300 producing wells on 40-acre spacing
• Approximately 8 Bcfe gross reserves per well
• Projected 2003 gross operated production of 41
  BCF and 363 MBO

Jackson
Pinedale Anticline
Powder River Basin
Wind River Basin
Wind River Mtns
ID
Green River Basin
Overthrust Belt
UT
Great Divide Basin
Rock Springs Uplift
Washakie Basin
Cheyenne
WY
Salt Lake City
CO
Sand Wash Basin
Uinta Mtns
Vernal
D-J Basin
Uinta Basin
Denver
Piceance Basin
UT
CO
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Pinedale
SEASONAL OPERATIONS WINDOW
UNRESTRICTED
POTENTIAL
WINTER
WILDLIFE
SG STRUTTING
SG NESTING
PLOVER
J
M
F
J
A
O
N
D
J
A
J
S
M
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Pinedale Field
Southwest Wyoming Hub
Gobblers Knob Compressor Station 7,500 Bhp
Projected Peak Supply 800,000 Mcf/Day
RGS 20 and 12 Pipe
Jonah Field
Bird Canyon CDP
Current Processing 350,000 Mcf/Day
RGS 20 and 16 Pipe
MGR 12 Pipe
QGM 10 Pipe
FCS 7,500 Bhp - RGS
Takeaway Capacity 1.0 to 1.1 Bcf/Day
RGS 20 and 16 Pipe
MGR 16 Pipe
Muddy Creek CDP RGS 16 or 20 ?
Granger Cryo Plant 170,000 Mcf/Day, Refrigeration
Plant 100,000 Mcf/Day
Blacks Fork Cryo Plant 80,000 Mcf/Day
Northwest - 350,000 Mcf/Day QPC - 200,000
Mcf/Day Kern River - 200 to 300,000 Mcf/Day CIG -
150,000 Mcf/Day Overthrust - 100,000 Mcf/Day
Clear Creek Storage
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Southwest Wyoming Hub
Total Hoback Basin Supply Source Potential is
greater than 2.0 Bcf/Day
Kern River
Supply Source 800,000 Mcf/D
Takeaway Capacity 1.0 to 1.1 Bcf / Day
Northwest
Hub
Overthrust
Questar
Hub Services Processing / Blending Flexible
Access to Pipe Outlets Single Point for Trading
Activity Access to Storage Price Transparency
CIG
9
Hub Projected Dedicated Throughput
MMcf
10
A Significant Contributor to Wyoming

• Ranked 8th in Operated Gas Production in 2002 (70
  BCF)
• Operated Production in 2003 Will Generate
  approximately 42MM in Severance, Ad Valorem and
  Conservation Tax Payments and 20MM for the
  States Share of Federal Royalties per Year at
  3.50/mcf and 22/bo
• Capital and Expense Generate Sales Tax Revenue
  - QMR alone will spend over 135MM in Wyoming in
  2003