TransCanada – U.S. Pipelines Central ANR Pipeline, ANR Storage, and Great Lakes Gas

Great Lakes Maritimes Research Institute June 19, 2012

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• 36,500 Miles of wholly owned natural gas pipeline

• Interests in an additional 4,800 Miles of natural gas pipeline

• 380 Bcf of total natural gas storage capacity

• Unparalleled connections from traditional and emerging basins to growing markets

• Average daily volume of approximately 15 Bcf/d

• Keystone oil pipeline 1.1 million Bbl/d

• Developing northern frontier pipeline capacity

GTN System

North Baja

Tuscarora

Alberta System

Proposed Alaska

Pipeline

Foothills/BC

Tamazunchale

Bison

Keystone Oil Pipeline

Keystone Expansion

Northern Border

ANR

Canadian Mainline

Proposed Mackenzie

Gas Pipeline

Great Lakes

Iroquois

TQM

Pipeline Assets Natural Gas Pipelines

Natural Gas Pipelines (Proposed)

Natural Gas Pipelines (In Development)

Oil Pipeline (Under Construction)

Oil Pipeline (In Development)

Gas Storage

PNGTS

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TransCanada - U.S. Pipelines Central

• ANR Pipeline, 10,600 miles, capacity of 6 Bcf per Day

• Great Lakes Gas Transmission, 2,100 miles, capacity of 2.3 Bcf per Day

• ANR Storage, 250 Bcf of regulated natural gas storage capacity; all located within Michigan

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Great Lakes Gas Transmission

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• Originating at Emerson, Manitoba -

traverses Minnesota, Wisconsin,

and Michigan

• Terminates at St. Clair, Michigan

with deliveries to TransCanada into

Dawn, Ontario

• 2,100 miles; two 36” diameter,

974 Psig MAOP pipelines

• 14 compressor stations with

combined 450,000 hp

• Peak capacity of 2.3 Bcf/d

• Over 60 receipt and/or delivery

points

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Forward haul or Back haul

• Forward haul: Traditionally bringing Western Canada Sedimentary Basin gas to the Midwest and Ontario

• Back haul: Is able to supply Manitoba, Minnesota, Wisconsin, and other Michigan markets with gas received from Dawn and Chicago Hubs, Michigan storage, or from Michigan Production

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Interconnects

In Minnesota • Minnesota Energy Resources • City of Duluth, MN • Otter Tail Power

In Wisconsin • NSP/Xcel • Superior WL&P

In Michigan • MichCon • Consumers Energy • Detroit Edison (via SEMCO) • MCV • SEMCO • WEPCo • Bluewater Gas Storage

• Pipeline interconnections directly with TransCanada, Northern Natural, and ANR Pipeline as well as various utilities/LDC’s located in:

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ANR Pipeline Company

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• ANR Pipeline Company

• Originates in the traditional

supply areas of TX/OK and

the Gulf of Mexico; traverses

15 states

• 10,600 miles of pipeline

• Over 1 Million Compressor HP

• Peak Day Capacity of 6 Bcf/d

• Major Storage Operator (250

Bcf of Storage in Michigan)

• Provides access to many new Shale gas supply Basins

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Thank You